Merge remote branch 'intel/drm-intel-next' of ../drm-next into drm-core-next

* 'intel/drm-intel-next' of ../drm-next: (755 commits)
  drm/i915: Only wait on a pending flip if we intend to write to the buffer
  drm/i915/dp: Sanity check eDP existence
  drm/i915: Rebind the buffer if its alignment constraints changes with tiling
  drm/i915: Disable GPU semaphores by default
  drm/i915: Do not overflow the MMADDR write FIFO
  Revert "drm/i915: fix corruptions on i8xx due to relaxed fencing"
  drm/i915: Don't save/restore hardware status page address register
  drm/i915: don't store the reg value for HWS_PGA
  drm/i915: fix memory corruption with GM965 and >4GB RAM
  Linux 2.6.38-rc7
  Revert "TPM: Long default timeout fix"
  drm/i915: Re-enable GPU semaphores for SandyBridge mobile
  drm/i915: Replace vblank PM QoS with "Interrupt-Based AGPBUSY#"
  Revert "drm/i915: Use PM QoS to prevent C-State starvation of gen3 GPU"
  drm/i915: Allow relocation deltas outside of target bo
  drm/i915: Silence an innocuous compiler warning for an unused variable
  fs/block_dev.c: fix new kernel-doc warning
  ACPI: Fix build for CONFIG_NET unset
  mm: <asm-generic/pgtable.h> must include <linux/mm_types.h>
  x86: Use u32 instead of long to set reset vector back to 0
  ...

Conflicts:
	drivers/gpu/drm/i915/i915_gem.c
diff --git a/.gitignore b/.gitignore
index 8faa6c0..5d56a3f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -28,6 +28,7 @@
 *.gz
 *.bz2
 *.lzma
+*.xz
 *.lzo
 *.patch
 *.gcno
diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 2861055..c279158 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -73,8 +73,8 @@
       services.
     </para>
     <para>
-      The core of every DRM driver is struct drm_device.  Drivers
-      will typically statically initialize a drm_device structure,
+      The core of every DRM driver is struct drm_driver.  Drivers
+      will typically statically initialize a drm_driver structure,
       then pass it to drm_init() at load time.
     </para>
 
@@ -84,7 +84,7 @@
     <title>Driver initialization</title>
     <para>
       Before calling the DRM initialization routines, the driver must
-      first create and fill out a struct drm_device structure.
+      first create and fill out a struct drm_driver structure.
     </para>
     <programlisting>
       static struct drm_driver driver = {
diff --git a/Documentation/DocBook/filesystems.tmpl b/Documentation/DocBook/filesystems.tmpl
index 5e87ad5..f51f285 100644
--- a/Documentation/DocBook/filesystems.tmpl
+++ b/Documentation/DocBook/filesystems.tmpl
@@ -82,6 +82,11 @@
      </sect1>
   </chapter>
 
+  <chapter id="fs_events">
+     <title>Events based on file descriptors</title>
+!Efs/eventfd.c
+  </chapter>
+
   <chapter id="sysfs">
      <title>The Filesystem for Exporting Kernel Objects</title>
 !Efs/sysfs/file.c
diff --git a/Documentation/powerpc/dts-bindings/fsl/sata.txt b/Documentation/devicetree/bindings/ata/fsl-sata.txt
similarity index 100%
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similarity index 100%
rename from Documentation/powerpc/dts-bindings/eeprom.txt
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diff --git a/Documentation/powerpc/dts-bindings/fsl/8xxx_gpio.txt b/Documentation/devicetree/bindings/gpio/8xxx_gpio.txt
similarity index 100%
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similarity index 100%
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similarity index 100%
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diff --git a/Documentation/powerpc/dts-bindings/fsl/cpm_qe/cpm/i2c.txt b/Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/cpm/i2c.txt
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diff --git a/Documentation/powerpc/dts-bindings/fsl/cpm_qe/cpm/pic.txt b/Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/cpm/pic.txt
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diff --git a/Documentation/powerpc/dts-bindings/fsl/cpm_qe/cpm/usb.txt b/Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/cpm/usb.txt
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diff --git a/Documentation/powerpc/dts-bindings/fsl/cpm_qe/gpio.txt b/Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/gpio.txt
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diff --git a/Documentation/powerpc/dts-bindings/fsl/cpm_qe/qe/pincfg.txt b/Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/qe/pincfg.txt
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diff --git a/Documentation/powerpc/dts-bindings/fsl/cpm_qe/qe/ucc.txt b/Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/qe/ucc.txt
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diff --git a/Documentation/powerpc/dts-bindings/fsl/cpm_qe/qe/usb.txt b/Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/qe/usb.txt
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diff --git a/Documentation/powerpc/dts-bindings/usb-ehci.txt b/Documentation/devicetree/bindings/usb/usb-ehci.txt
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rename to Documentation/devicetree/bindings/usb/usb-ehci.txt
diff --git a/Documentation/powerpc/dts-bindings/xilinx.txt b/Documentation/devicetree/bindings/xilinx.txt
similarity index 100%
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diff --git a/Documentation/powerpc/booting-without-of.txt b/Documentation/devicetree/booting-without-of.txt
similarity index 90%
rename from Documentation/powerpc/booting-without-of.txt
rename to Documentation/devicetree/booting-without-of.txt
index 7400d75..28b1c9d 100644
--- a/Documentation/powerpc/booting-without-of.txt
+++ b/Documentation/devicetree/booting-without-of.txt
@@ -13,7 +13,6 @@
 
   I - Introduction
     1) Entry point for arch/powerpc
-    2) Board support
 
   II - The DT block format
     1) Header
@@ -41,13 +40,6 @@
   VI - System-on-a-chip devices and nodes
     1) Defining child nodes of an SOC
     2) Representing devices without a current OF specification
-      a) PHY nodes
-      b) Interrupt controllers
-      c) 4xx/Axon EMAC ethernet nodes
-      d) Xilinx IP cores
-      e) USB EHCI controllers
-      f) MDIO on GPIOs
-      g) SPI busses
 
   VII - Specifying interrupt information for devices
     1) interrupts property
@@ -123,7 +115,7 @@
 I - Introduction
 ================
 
-During the recent development of the Linux/ppc64 kernel, and more
+During the development of the Linux/ppc64 kernel, and more
 specifically, the addition of new platform types outside of the old
 IBM pSeries/iSeries pair, it was decided to enforce some strict rules
 regarding the kernel entry and bootloader <-> kernel interfaces, in
@@ -146,7 +138,7 @@
 create a node for every PCI device in the system. It is a requirement
 to have a node for PCI host bridges in order to provide interrupt
 routing informations and memory/IO ranges, among others. It is also
-recommended to define nodes for on chip devices and other busses that
+recommended to define nodes for on chip devices and other buses that
 don't specifically fit in an existing OF specification. This creates a
 great flexibility in the way the kernel can then probe those and match
 drivers to device, without having to hard code all sorts of tables. It
@@ -158,7 +150,7 @@
 1) Entry point for arch/powerpc
 -------------------------------
 
-   There is one and one single entry point to the kernel, at the start
+   There is one single entry point to the kernel, at the start
    of the kernel image. That entry point supports two calling
    conventions:
 
@@ -210,12 +202,6 @@
         with all CPUs. The way to do that with method b) will be
         described in a later revision of this document.
 
-
-2) Board support
-----------------
-
-64-bit kernels:
-
    Board supports (platforms) are not exclusive config options. An
    arbitrary set of board supports can be built in a single kernel
    image. The kernel will "know" what set of functions to use for a
@@ -234,48 +220,11 @@
         containing the various callbacks that the generic code will
         use to get to your platform specific code
 
-        c) Add a reference to your "ppc_md" structure in the
-        "machines" table in arch/powerpc/kernel/setup_64.c if you are
-        a 64-bit platform.
-
-        d) request and get assigned a platform number (see PLATFORM_*
-        constants in arch/powerpc/include/asm/processor.h
-
-32-bit embedded kernels:
-
-  Currently, board support is essentially an exclusive config option.
-  The kernel is configured for a single platform.  Part of the reason
-  for this is to keep kernels on embedded systems small and efficient;
-  part of this is due to the fact the code is already that way. In the
-  future, a kernel may support multiple platforms, but only if the
+  A kernel image may support multiple platforms, but only if the
   platforms feature the same core architecture.  A single kernel build
   cannot support both configurations with Book E and configurations
   with classic Powerpc architectures.
 
-  32-bit embedded platforms that are moved into arch/powerpc using a
-  flattened device tree should adopt the merged tree practice of
-  setting ppc_md up dynamically, even though the kernel is currently
-  built with support for only a single platform at a time.  This allows
-  unification of the setup code, and will make it easier to go to a
-  multiple-platform-support model in the future.
-
-NOTE: I believe the above will be true once Ben's done with the merge
-of the boot sequences.... someone speak up if this is wrong!
-
-  To add a 32-bit embedded platform support, follow the instructions
-  for 64-bit platforms above, with the exception that the Kconfig
-  option should be set up such that the kernel builds exclusively for
-  the platform selected.  The processor type for the platform should
-  enable another config option to select the specific board
-  supported.
-
-NOTE: If Ben doesn't merge the setup files, may need to change this to
-point to setup_32.c
-
-
-   I will describe later the boot process and various callbacks that
-   your platform should implement.
-
 
 II - The DT block format
 ========================
@@ -300,8 +249,8 @@
 1) Header
 ---------
 
-   The kernel is entered with r3 pointing to an area of memory that is
-   roughly described in arch/powerpc/include/asm/prom.h by the structure
+   The kernel is passed the physical address pointing to an area of memory
+   that is roughly described in include/linux/of_fdt.h by the structure
    boot_param_header:
 
 struct boot_param_header {
@@ -339,7 +288,7 @@
    All values in this header are in big endian format, the various
    fields in this header are defined more precisely below. All
    "offset" values are in bytes from the start of the header; that is
-   from the value of r3.
+   from the physical base address of the device tree block.
 
    - magic
 
@@ -437,7 +386,7 @@
 
 
              ------------------------------
-       r3 -> |  struct boot_param_header  |
+     base -> |  struct boot_param_header  |
              ------------------------------
              |      (alignment gap) (*)   |
              ------------------------------
@@ -457,7 +406,7 @@
       -----> ------------------------------
       |
       |
-      --- (r3 + totalsize)
+      --- (base + totalsize)
 
   (*) The alignment gaps are not necessarily present; their presence
       and size are dependent on the various alignment requirements of
@@ -500,7 +449,7 @@
 the device-tree. More details about the actual format of these will be
 below.
 
-The kernel powerpc generic code does not make any formal use of the
+The kernel generic code does not make any formal use of the
 unit address (though some board support code may do) so the only real
 requirement here for the unit address is to ensure uniqueness of
 the node unit name at a given level of the tree. Nodes with no notion
@@ -518,20 +467,21 @@
 
 Every node which actually represents an actual device (that is, a node
 which isn't only a virtual "container" for more nodes, like "/cpus"
-is) is also required to have a "device_type" property indicating the
-type of node .
+is) is also required to have a "compatible" property indicating the
+specific hardware and an optional list of devices it is fully
+backwards compatible with.
 
 Finally, every node that can be referenced from a property in another
-node is required to have a "linux,phandle" property. Real open
-firmware implementations provide a unique "phandle" value for every
-node that the "prom_init()" trampoline code turns into
-"linux,phandle" properties. However, this is made optional if the
-flattened device tree is used directly. An example of a node
+node is required to have either a "phandle" or a "linux,phandle"
+property. Real Open Firmware implementations provide a unique
+"phandle" value for every node that the "prom_init()" trampoline code
+turns into "linux,phandle" properties. However, this is made optional
+if the flattened device tree is used directly. An example of a node
 referencing another node via "phandle" is when laying out the
 interrupt tree which will be described in a further version of this
 document.
 
-This "linux, phandle" property is a 32-bit value that uniquely
+The "phandle" property is a 32-bit value that uniquely
 identifies a node. You are free to use whatever values or system of
 values, internal pointers, or whatever to generate these, the only
 requirement is that every node for which you provide that property has
@@ -694,7 +644,7 @@
 while the top cell contains address space indication, flags, and pci
 bus & device numbers.
 
-For busses that support dynamic allocation, it's the accepted practice
+For buses that support dynamic allocation, it's the accepted practice
 to then not provide the address in "reg" (keep it 0) though while
 providing a flag indicating the address is dynamically allocated, and
 then, to provide a separate "assigned-addresses" property that
@@ -711,7 +661,7 @@
 The "reg" property only defines addresses and sizes (if #size-cells is
 non-0) within a given bus. In order to translate addresses upward
 (that is into parent bus addresses, and possibly into CPU physical
-addresses), all busses must contain a "ranges" property. If the
+addresses), all buses must contain a "ranges" property. If the
 "ranges" property is missing at a given level, it's assumed that
 translation isn't possible, i.e., the registers are not visible on the
 parent bus.  The format of the "ranges" property for a bus is a list
@@ -727,9 +677,9 @@
 PCI<->ISA bridge, that would be a PCI address. It defines the base
 address in the parent bus where the beginning of that range is mapped.
 
-For a new 64-bit powerpc board, I recommend either the 2/2 format or
+For new 64-bit board support, I recommend either the 2/2 format or
 Apple's 2/1 format which is slightly more compact since sizes usually
-fit in a single 32-bit word.   New 32-bit powerpc boards should use a
+fit in a single 32-bit word.   New 32-bit board support should use a
 1/1 format, unless the processor supports physical addresses greater
 than 32-bits, in which case a 2/1 format is recommended.
 
@@ -754,7 +704,7 @@
 While earlier users of Open Firmware like OldWorld macintoshes tended
 to use the actual device name for the "name" property, it's nowadays
 considered a good practice to use a name that is closer to the device
-class (often equal to device_type). For example, nowadays, ethernet
+class (often equal to device_type). For example, nowadays, Ethernet
 controllers are named "ethernet", an additional "model" property
 defining precisely the chip type/model, and "compatible" property
 defining the family in case a single driver can driver more than one
@@ -772,7 +722,7 @@
 4) Note about node and property names and character set
 -------------------------------------------------------
 
-While open firmware provides more flexible usage of 8859-1, this
+While Open Firmware provides more flexible usage of 8859-1, this
 specification enforces more strict rules. Nodes and properties should
 be comprised only of ASCII characters 'a' to 'z', '0' to
 '9', ',', '.', '_', '+', '#', '?', and '-'. Node names additionally
@@ -792,7 +742,7 @@
 --------------------------------
   These are all that are currently required. However, it is strongly
   recommended that you expose PCI host bridges as documented in the
-  PCI binding to open firmware, and your interrupt tree as documented
+  PCI binding to Open Firmware, and your interrupt tree as documented
   in OF interrupt tree specification.
 
   a) The root node
@@ -802,20 +752,12 @@
     - model : this is your board name/model
     - #address-cells : address representation for "root" devices
     - #size-cells: the size representation for "root" devices
-    - device_type : This property shouldn't be necessary. However, if
-      you decide to create a device_type for your root node, make sure it
-      is _not_ "chrp" unless your platform is a pSeries or PAPR compliant
-      one for 64-bit, or a CHRP-type machine for 32-bit as this will
-      matched by the kernel this way.
-
-  Additionally, some recommended properties are:
-
     - compatible : the board "family" generally finds its way here,
       for example, if you have 2 board models with a similar layout,
       that typically get driven by the same platform code in the
-      kernel, you would use a different "model" property but put a
-      value in "compatible". The kernel doesn't directly use that
-      value but it is generally useful.
+      kernel, you would specify the exact board model in the
+      compatible property followed by an entry that represents the SoC
+      model.
 
   The root node is also generally where you add additional properties
   specific to your board like the serial number if any, that sort of
@@ -841,8 +783,11 @@
 
   So under /cpus, you are supposed to create a node for every CPU on
   the machine. There is no specific restriction on the name of the
-  CPU, though It's common practice to call it PowerPC,<name>. For
+  CPU, though it's common to call it <architecture>,<core>. For
   example, Apple uses PowerPC,G5 while IBM uses PowerPC,970FX.
+  However, the Generic Names convention suggests that it would be
+  better to simply use 'cpu' for each cpu node and use the compatible
+  property to identify the specific cpu core.
 
   Required properties:
 
@@ -923,7 +868,7 @@
 
   e) The /chosen node
 
-  This node is a bit "special". Normally, that's where open firmware
+  This node is a bit "special". Normally, that's where Open Firmware
   puts some variable environment information, like the arguments, or
   the default input/output devices.
 
@@ -940,11 +885,7 @@
       console device if any. Typically, if you have serial devices on
       your board, you may want to put the full path to the one set as
       the default console in the firmware here, for the kernel to pick
-      it up as its own default console. If you look at the function
-      set_preferred_console() in arch/ppc64/kernel/setup.c, you'll see
-      that the kernel tries to find out the default console and has
-      knowledge of various types like 8250 serial ports. You may want
-      to extend this function to add your own.
+      it up as its own default console.
 
   Note that u-boot creates and fills in the chosen node for platforms
   that use it.
@@ -955,23 +896,23 @@
 
   f) the /soc<SOCname> node
 
-  This node is used to represent a system-on-a-chip (SOC) and must be
-  present if the processor is a SOC. The top-level soc node contains
-  information that is global to all devices on the SOC. The node name
-  should contain a unit address for the SOC, which is the base address
-  of the memory-mapped register set for the SOC. The name of an soc
+  This node is used to represent a system-on-a-chip (SoC) and must be
+  present if the processor is a SoC. The top-level soc node contains
+  information that is global to all devices on the SoC. The node name
+  should contain a unit address for the SoC, which is the base address
+  of the memory-mapped register set for the SoC. The name of an SoC
   node should start with "soc", and the remainder of the name should
   represent the part number for the soc.  For example, the MPC8540's
   soc node would be called "soc8540".
 
   Required properties:
 
-    - device_type : Should be "soc"
     - ranges : Should be defined as specified in 1) to describe the
-      translation of SOC addresses for memory mapped SOC registers.
-    - bus-frequency: Contains the bus frequency for the SOC node.
+      translation of SoC addresses for memory mapped SoC registers.
+    - bus-frequency: Contains the bus frequency for the SoC node.
       Typically, the value of this field is filled in by the boot
       loader.
+    - compatible : Exact model of the SoC
 
 
   Recommended properties:
@@ -1155,12 +1096,13 @@
 
   - An example of code for iterating nodes & retrieving properties
     directly from the flattened tree format can be found in the kernel
-    file arch/ppc64/kernel/prom.c, look at scan_flat_dt() function,
+    file drivers/of/fdt.c.  Look at the of_scan_flat_dt() function,
     its usage in early_init_devtree(), and the corresponding various
     early_init_dt_scan_*() callbacks. That code can be re-used in a
     GPL bootloader, and as the author of that code, I would be happy
     to discuss possible free licensing to any vendor who wishes to
     integrate all or part of this code into a non-GPL bootloader.
+    (reference needed; who is 'I' here? ---gcl Jan 31, 2011)
 
 
 
@@ -1203,18 +1145,19 @@
 2) Representing devices without a current OF specification
 ----------------------------------------------------------
 
-Currently, there are many devices on SOCs that do not have a standard
-representation pre-defined as part of the open firmware
-specifications, mainly because the boards that contain these SOCs are
-not currently booted using open firmware.   This section contains
-descriptions for the SOC devices for which new nodes have been
-defined; this list will expand as more and more SOC-containing
-platforms are moved over to use the flattened-device-tree model.
+Currently, there are many devices on SoCs that do not have a standard
+representation defined as part of the Open Firmware specifications,
+mainly because the boards that contain these SoCs are not currently
+booted using Open Firmware.  Binding documentation for new devices
+should be added to the Documentation/devicetree/bindings directory.
+That directory will expand as device tree support is added to more and
+more SoCs.
+
 
 VII - Specifying interrupt information for devices
 ===================================================
 
-The device tree represents the busses and devices of a hardware
+The device tree represents the buses and devices of a hardware
 system in a form similar to the physical bus topology of the
 hardware.
 
diff --git a/Documentation/hwmon/jc42 b/Documentation/hwmon/jc42
index 0e76ef1..a22ecf4 100644
--- a/Documentation/hwmon/jc42
+++ b/Documentation/hwmon/jc42
@@ -51,7 +51,8 @@
   * JEDEC JC 42.4 compliant temperature sensor chips
     Prefix: 'jc42'
     Addresses scanned: I2C 0x18 - 0x1f
-    Datasheet: -
+    Datasheet:
+	http://www.jedec.org/sites/default/files/docs/4_01_04R19.pdf
 
 Author:
 	Guenter Roeck <guenter.roeck@ericsson.com>
@@ -60,7 +61,11 @@
 Description
 -----------
 
-This driver implements support for JEDEC JC 42.4 compliant temperature sensors.
+This driver implements support for JEDEC JC 42.4 compliant temperature sensors,
+which are used on many DDR3 memory modules for mobile devices and servers. Some
+systems use the sensor to prevent memory overheating by automatically throttling
+the memory controller.
+
 The driver auto-detects the chips listed above, but can be manually instantiated
 to support other JC 42.4 compliant chips.
 
@@ -81,15 +86,19 @@
 which applies to all limits. This register can be written by writing into
 temp1_crit_hyst. Other hysteresis attributes are read-only.
 
+If the BIOS has configured the sensor for automatic temperature management, it
+is likely that it has locked the registers, i.e., that the temperature limits
+cannot be changed.
+
 Sysfs entries
 -------------
 
 temp1_input		Temperature (RO)
-temp1_min		Minimum temperature (RW)
-temp1_max		Maximum temperature (RW)
-temp1_crit		Critical high temperature (RW)
+temp1_min		Minimum temperature (RO or RW)
+temp1_max		Maximum temperature (RO or RW)
+temp1_crit		Critical high temperature (RO or RW)
 
-temp1_crit_hyst		Critical hysteresis temperature (RW)
+temp1_crit_hyst		Critical hysteresis temperature (RO or RW)
 temp1_max_hyst		Maximum hysteresis temperature (RO)
 
 temp1_min_alarm		Temperature low alarm
diff --git a/Documentation/hwmon/k10temp b/Documentation/hwmon/k10temp
index 6526eee..d2b56a4 100644
--- a/Documentation/hwmon/k10temp
+++ b/Documentation/hwmon/k10temp
@@ -9,6 +9,8 @@
   Socket S1G3: Athlon II, Sempron, Turion II
 * AMD Family 11h processors:
   Socket S1G2: Athlon (X2), Sempron (X2), Turion X2 (Ultra)
+* AMD Family 12h processors: "Llano"
+* AMD Family 14h processors: "Brazos" (C/E/G-Series)
 
   Prefix: 'k10temp'
   Addresses scanned: PCI space
@@ -17,10 +19,14 @@
     http://support.amd.com/us/Processor_TechDocs/31116.pdf
   BIOS and Kernel Developer's Guide (BKDG) for AMD Family 11h Processors:
     http://support.amd.com/us/Processor_TechDocs/41256.pdf
+  BIOS and Kernel Developer's Guide (BKDG) for AMD Family 14h Models 00h-0Fh Processors:
+    http://support.amd.com/us/Processor_TechDocs/43170.pdf
   Revision Guide for AMD Family 10h Processors:
     http://support.amd.com/us/Processor_TechDocs/41322.pdf
   Revision Guide for AMD Family 11h Processors:
     http://support.amd.com/us/Processor_TechDocs/41788.pdf
+  Revision Guide for AMD Family 14h Models 00h-0Fh Processors:
+    http://support.amd.com/us/Processor_TechDocs/47534.pdf
   AMD Family 11h Processor Power and Thermal Data Sheet for Notebooks:
     http://support.amd.com/us/Processor_TechDocs/43373.pdf
   AMD Family 10h Server and Workstation Processor Power and Thermal Data Sheet:
@@ -34,7 +40,7 @@
 -----------
 
 This driver permits reading of the internal temperature sensor of AMD
-Family 10h and 11h processors.
+Family 10h/11h/12h/14h processors.
 
 All these processors have a sensor, but on those for Socket F or AM2+,
 the sensor may return inconsistent values (erratum 319).  The driver
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 89835a4..f4a04c0 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -144,6 +144,11 @@
 and is between 256 and 4096 characters. It is defined in the file
 ./include/asm/setup.h as COMMAND_LINE_SIZE.
 
+Finally, the [KMG] suffix is commonly described after a number of kernel
+parameter values. These 'K', 'M', and 'G' letters represent the _binary_
+multipliers 'Kilo', 'Mega', and 'Giga', equalling 2^10, 2^20, and 2^30
+bytes respectively. Such letter suffixes can also be entirely omitted.
+
 
 	acpi=		[HW,ACPI,X86]
 			Advanced Configuration and Power Interface
@@ -545,16 +550,20 @@
 			Format:
 			<first_slot>,<last_slot>,<port>,<enum_bit>[,<debug>]
 
-	crashkernel=nn[KMG]@ss[KMG]
-			[KNL] Reserve a chunk of physical memory to
-			hold a kernel to switch to with kexec on panic.
+	crashkernel=size[KMG][@offset[KMG]]
+			[KNL] Using kexec, Linux can switch to a 'crash kernel'
+			upon panic. This parameter reserves the physical
+			memory region [offset, offset + size] for that kernel
+			image. If '@offset' is omitted, then a suitable offset
+			is selected automatically. Check
+			Documentation/kdump/kdump.txt for further details.
 
 	crashkernel=range1:size1[,range2:size2,...][@offset]
 			[KNL] Same as above, but depends on the memory
 			in the running system. The syntax of range is
 			start-[end] where start and end are both
 			a memory unit (amount[KMG]). See also
-			Documentation/kdump/kdump.txt for a example.
+			Documentation/kdump/kdump.txt for an example.
 
 	cs89x0_dma=	[HW,NET]
 			Format: <dma>
@@ -1262,10 +1271,9 @@
 			6 (KERN_INFO)		informational
 			7 (KERN_DEBUG)		debug-level messages
 
-	log_buf_len=n	Sets the size of the printk ring buffer, in bytes.
-			Format: { n | nk | nM }
-			n must be a power of two.  The default size
-			is set in the kernel config file.
+	log_buf_len=n[KMG]	Sets the size of the printk ring buffer,
+			in bytes.  n must be a power of two.  The default
+			size is set in the kernel config file.
 
 	logo.nologo	[FB] Disables display of the built-in Linux logo.
 			This may be used to provide more screen space for
diff --git a/Documentation/networking/Makefile b/Documentation/networking/Makefile
index 5aba7a3..24c308d 100644
--- a/Documentation/networking/Makefile
+++ b/Documentation/networking/Makefile
@@ -4,6 +4,8 @@
 # List of programs to build
 hostprogs-y := ifenslave
 
+HOSTCFLAGS_ifenslave.o += -I$(objtree)/usr/include
+
 # Tell kbuild to always build the programs
 always := $(hostprogs-y)
 
diff --git a/Documentation/workqueue.txt b/Documentation/workqueue.txt
index 996a27d..01c513f 100644
--- a/Documentation/workqueue.txt
+++ b/Documentation/workqueue.txt
@@ -190,9 +190,9 @@
 	* Long running CPU intensive workloads which can be better
 	  managed by the system scheduler.
 
-  WQ_FREEZEABLE
+  WQ_FREEZABLE
 
-	A freezeable wq participates in the freeze phase of the system
+	A freezable wq participates in the freeze phase of the system
 	suspend operations.  Work items on the wq are drained and no
 	new work item starts execution until thawed.
 
diff --git a/MAINTAINERS b/MAINTAINERS
index 531c5cf..8afba63 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -885,7 +885,7 @@
 
 ARM/QUALCOMM MSM MACHINE SUPPORT
 M:	David Brown <davidb@codeaurora.org>
-M:	Daniel Walker <dwalker@codeaurora.org>
+M:	Daniel Walker <dwalker@fifo99.com>
 M:	Bryan Huntsman <bryanh@codeaurora.org>
 L:	linux-arm-msm@vger.kernel.org
 F:	arch/arm/mach-msm/
@@ -1692,6 +1692,13 @@
 S:	Supported
 F:	scripts/checkpatch.pl
 
+CHINESE DOCUMENTATION
+M:	Harry Wei <harryxiyou@gmail.com>
+L:	xiyoulinuxkernelgroup@googlegroups.com
+L:	linux-kernel@zh-kernel.org (moderated for non-subscribers)
+S:	Maintained
+F:	Documentation/zh_CN/
+
 CISCO VIC ETHERNET NIC DRIVER
 M:	Vasanthy Kolluri <vkolluri@cisco.com>
 M:	Roopa Prabhu <roprabhu@cisco.com>
@@ -2126,6 +2133,7 @@
 F:	fs/dlm/
 
 DMA GENERIC OFFLOAD ENGINE SUBSYSTEM
+M:	Vinod Koul <vinod.koul@intel.com>
 M:	Dan Williams <dan.j.williams@intel.com>
 S:	Supported
 F:	drivers/dma/
@@ -2774,6 +2782,15 @@
 F:	drivers/isdn/gigaset/
 F:	include/linux/gigaset_dev.h
 
+GPIO SUBSYSTEM
+M:	Grant Likely <grant.likely@secretlab.ca>
+L:	linux-kernel@vger.kernel.org
+S:	Maintained
+T:	git git://git.secretlab.ca/git/linux-2.6.git
+F:	Documentation/gpio/gpio.txt
+F:	drivers/gpio/
+F:	include/linux/gpio*
+
 GRETH 10/100/1G Ethernet MAC device driver
 M:	Kristoffer Glembo <kristoffer@gaisler.com>
 L:	netdev@vger.kernel.org
@@ -2863,7 +2880,6 @@
 L:	lm-sensors@lm-sensors.org
 W:	http://www.lm-sensors.org/
 T:	quilt kernel.org/pub/linux/kernel/people/jdelvare/linux-2.6/jdelvare-hwmon/
-T:	quilt kernel.org/pub/linux/kernel/people/groeck/linux-staging/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git
 S:	Maintained
 F:	Documentation/hwmon/
@@ -4591,7 +4607,7 @@
 
 OPEN FIRMWARE AND FLATTENED DEVICE TREE
 M:	Grant Likely <grant.likely@secretlab.ca>
-L:	devicetree-discuss@lists.ozlabs.org
+L:	devicetree-discuss@lists.ozlabs.org (moderated for non-subscribers)
 W:	http://fdt.secretlab.ca
 T:	git git://git.secretlab.ca/git/linux-2.6.git
 S:	Maintained
@@ -5257,7 +5273,7 @@
 F:	drivers/net/wireless/rtl818x/rtl8180/
 
 RTL8187 WIRELESS DRIVER
-M:	Herton Ronaldo Krzesinski <herton@mandriva.com.br>
+M:	Herton Ronaldo Krzesinski <herton@canonical.com>
 M:	Hin-Tak Leung <htl10@users.sourceforge.net>
 M:	Larry Finger <Larry.Finger@lwfinger.net>
 L:	linux-wireless@vger.kernel.org
@@ -6095,7 +6111,7 @@
 F:	security/tomoyo/
 
 TOPSTAR LAPTOP EXTRAS DRIVER
-M:	Herton Ronaldo Krzesinski <herton@mandriva.com.br>
+M:	Herton Ronaldo Krzesinski <herton@canonical.com>
 L:	platform-driver-x86@vger.kernel.org
 S:	Maintained
 F:	drivers/platform/x86/topstar-laptop.c
diff --git a/Makefile b/Makefile
index 66e7e97..2f7d922 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 38
-EXTRAVERSION = -rc3
+EXTRAVERSION = -rc7
 NAME = Flesh-Eating Bats with Fangs
 
 # *DOCUMENTATION*
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 5cff165..166efa2 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1177,6 +1177,31 @@
 	  visible impact on the overall performance or power consumption of the
 	  processor.
 
+config ARM_ERRATA_751472
+	bool "ARM errata: Interrupted ICIALLUIS may prevent completion of broadcasted operation"
+	depends on CPU_V7 && SMP
+	help
+	  This option enables the workaround for the 751472 Cortex-A9 (prior
+	  to r3p0) erratum. An interrupted ICIALLUIS operation may prevent the
+	  completion of a following broadcasted operation if the second
+	  operation is received by a CPU before the ICIALLUIS has completed,
+	  potentially leading to corrupted entries in the cache or TLB.
+
+config ARM_ERRATA_753970
+	bool "ARM errata: cache sync operation may be faulty"
+	depends on CACHE_PL310
+	help
+	  This option enables the workaround for the 753970 PL310 (r3p0) erratum.
+
+	  Under some condition the effect of cache sync operation on
+	  the store buffer still remains when the operation completes.
+	  This means that the store buffer is always asked to drain and
+	  this prevents it from merging any further writes. The workaround
+	  is to replace the normal offset of cache sync operation (0x730)
+	  by another offset targeting an unmapped PL310 register 0x740.
+	  This has the same effect as the cache sync operation: store buffer
+	  drain and waiting for all buffers empty.
+
 endmenu
 
 source "arch/arm/common/Kconfig"
@@ -1391,7 +1416,7 @@
 
 config OABI_COMPAT
 	bool "Allow old ABI binaries to run with this kernel (EXPERIMENTAL)"
-	depends on AEABI && EXPERIMENTAL
+	depends on AEABI && EXPERIMENTAL && !THUMB2_KERNEL
 	default y
 	help
 	  This option preserves the old syscall interface along with the
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index c22c1ad..6f7b292 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -15,7 +15,7 @@
 LDFLAGS_vmlinux	+= --be8
 endif
 
-OBJCOPYFLAGS	:=-O binary -R .note -R .note.gnu.build-id -R .comment -S
+OBJCOPYFLAGS	:=-O binary -R .comment -S
 GZFLAGS		:=-9
 #KBUILD_CFLAGS	+=-pipe
 # Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb:
diff --git a/arch/arm/boot/compressed/.gitignore b/arch/arm/boot/compressed/.gitignore
index ab204db..c602896 100644
--- a/arch/arm/boot/compressed/.gitignore
+++ b/arch/arm/boot/compressed/.gitignore
@@ -1,3 +1,7 @@
 font.c
-piggy.gz
+lib1funcs.S
+piggy.gzip
+piggy.lzo
+piggy.lzma
+vmlinux
 vmlinux.lds
diff --git a/arch/arm/include/asm/hardware/cache-l2x0.h b/arch/arm/include/asm/hardware/cache-l2x0.h
index 5aeec1e..16bd480 100644
--- a/arch/arm/include/asm/hardware/cache-l2x0.h
+++ b/arch/arm/include/asm/hardware/cache-l2x0.h
@@ -36,6 +36,7 @@
 #define L2X0_RAW_INTR_STAT		0x21C
 #define L2X0_INTR_CLEAR			0x220
 #define L2X0_CACHE_SYNC			0x730
+#define L2X0_DUMMY_REG			0x740
 #define L2X0_INV_LINE_PA		0x770
 #define L2X0_INV_WAY			0x77C
 #define L2X0_CLEAN_LINE_PA		0x7B0
diff --git a/arch/arm/include/asm/hardware/sp810.h b/arch/arm/include/asm/hardware/sp810.h
index 721847d..e0d1c0c 100644
--- a/arch/arm/include/asm/hardware/sp810.h
+++ b/arch/arm/include/asm/hardware/sp810.h
@@ -58,6 +58,9 @@
 
 static inline void sysctl_soft_reset(void __iomem *base)
 {
+	/* switch to slow mode */
+	writel(0x2, base + SCCTRL);
+
 	/* writing any value to SCSYSSTAT reg will reset system */
 	writel(0, base + SCSYSSTAT);
 }
diff --git a/arch/arm/include/asm/tlb.h b/arch/arm/include/asm/tlb.h
index f41a6f5..82dfe5d 100644
--- a/arch/arm/include/asm/tlb.h
+++ b/arch/arm/include/asm/tlb.h
@@ -18,16 +18,34 @@
 #define __ASMARM_TLB_H
 
 #include <asm/cacheflush.h>
-#include <asm/tlbflush.h>
 
 #ifndef CONFIG_MMU
 
 #include <linux/pagemap.h>
+
+#define tlb_flush(tlb)	((void) tlb)
+
 #include <asm-generic/tlb.h>
 
 #else /* !CONFIG_MMU */
 
+#include <linux/swap.h>
 #include <asm/pgalloc.h>
+#include <asm/tlbflush.h>
+
+/*
+ * We need to delay page freeing for SMP as other CPUs can access pages
+ * which have been removed but not yet had their TLB entries invalidated.
+ * Also, as ARMv7 speculative prefetch can drag new entries into the TLB,
+ * we need to apply this same delaying tactic to ensure correct operation.
+ */
+#if defined(CONFIG_SMP) || defined(CONFIG_CPU_32v7)
+#define tlb_fast_mode(tlb)	0
+#define FREE_PTE_NR		500
+#else
+#define tlb_fast_mode(tlb)	1
+#define FREE_PTE_NR		0
+#endif
 
 /*
  * TLB handling.  This allows us to remove pages from the page
@@ -36,12 +54,58 @@
 struct mmu_gather {
 	struct mm_struct	*mm;
 	unsigned int		fullmm;
+	struct vm_area_struct	*vma;
 	unsigned long		range_start;
 	unsigned long		range_end;
+	unsigned int		nr;
+	struct page		*pages[FREE_PTE_NR];
 };
 
 DECLARE_PER_CPU(struct mmu_gather, mmu_gathers);
 
+/*
+ * This is unnecessarily complex.  There's three ways the TLB shootdown
+ * code is used:
+ *  1. Unmapping a range of vmas.  See zap_page_range(), unmap_region().
+ *     tlb->fullmm = 0, and tlb_start_vma/tlb_end_vma will be called.
+ *     tlb->vma will be non-NULL.
+ *  2. Unmapping all vmas.  See exit_mmap().
+ *     tlb->fullmm = 1, and tlb_start_vma/tlb_end_vma will be called.
+ *     tlb->vma will be non-NULL.  Additionally, page tables will be freed.
+ *  3. Unmapping argument pages.  See shift_arg_pages().
+ *     tlb->fullmm = 0, but tlb_start_vma/tlb_end_vma will not be called.
+ *     tlb->vma will be NULL.
+ */
+static inline void tlb_flush(struct mmu_gather *tlb)
+{
+	if (tlb->fullmm || !tlb->vma)
+		flush_tlb_mm(tlb->mm);
+	else if (tlb->range_end > 0) {
+		flush_tlb_range(tlb->vma, tlb->range_start, tlb->range_end);
+		tlb->range_start = TASK_SIZE;
+		tlb->range_end = 0;
+	}
+}
+
+static inline void tlb_add_flush(struct mmu_gather *tlb, unsigned long addr)
+{
+	if (!tlb->fullmm) {
+		if (addr < tlb->range_start)
+			tlb->range_start = addr;
+		if (addr + PAGE_SIZE > tlb->range_end)
+			tlb->range_end = addr + PAGE_SIZE;
+	}
+}
+
+static inline void tlb_flush_mmu(struct mmu_gather *tlb)
+{
+	tlb_flush(tlb);
+	if (!tlb_fast_mode(tlb)) {
+		free_pages_and_swap_cache(tlb->pages, tlb->nr);
+		tlb->nr = 0;
+	}
+}
+
 static inline struct mmu_gather *
 tlb_gather_mmu(struct mm_struct *mm, unsigned int full_mm_flush)
 {
@@ -49,6 +113,8 @@
 
 	tlb->mm = mm;
 	tlb->fullmm = full_mm_flush;
+	tlb->vma = NULL;
+	tlb->nr = 0;
 
 	return tlb;
 }
@@ -56,8 +122,7 @@
 static inline void
 tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end)
 {
-	if (tlb->fullmm)
-		flush_tlb_mm(tlb->mm);
+	tlb_flush_mmu(tlb);
 
 	/* keep the page table cache within bounds */
 	check_pgt_cache();
@@ -71,12 +136,7 @@
 static inline void
 tlb_remove_tlb_entry(struct mmu_gather *tlb, pte_t *ptep, unsigned long addr)
 {
-	if (!tlb->fullmm) {
-		if (addr < tlb->range_start)
-			tlb->range_start = addr;
-		if (addr + PAGE_SIZE > tlb->range_end)
-			tlb->range_end = addr + PAGE_SIZE;
-	}
+	tlb_add_flush(tlb, addr);
 }
 
 /*
@@ -89,6 +149,7 @@
 {
 	if (!tlb->fullmm) {
 		flush_cache_range(vma, vma->vm_start, vma->vm_end);
+		tlb->vma = vma;
 		tlb->range_start = TASK_SIZE;
 		tlb->range_end = 0;
 	}
@@ -97,12 +158,30 @@
 static inline void
 tlb_end_vma(struct mmu_gather *tlb, struct vm_area_struct *vma)
 {
-	if (!tlb->fullmm && tlb->range_end > 0)
-		flush_tlb_range(vma, tlb->range_start, tlb->range_end);
+	if (!tlb->fullmm)
+		tlb_flush(tlb);
 }
 
-#define tlb_remove_page(tlb,page)	free_page_and_swap_cache(page)
-#define pte_free_tlb(tlb, ptep, addr)	pte_free((tlb)->mm, ptep)
+static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page)
+{
+	if (tlb_fast_mode(tlb)) {
+		free_page_and_swap_cache(page);
+	} else {
+		tlb->pages[tlb->nr++] = page;
+		if (tlb->nr >= FREE_PTE_NR)
+			tlb_flush_mmu(tlb);
+	}
+}
+
+static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte,
+	unsigned long addr)
+{
+	pgtable_page_dtor(pte);
+	tlb_add_flush(tlb, addr);
+	tlb_remove_page(tlb, pte);
+}
+
+#define pte_free_tlb(tlb, ptep, addr)	__pte_free_tlb(tlb, ptep, addr)
 #define pmd_free_tlb(tlb, pmdp, addr)	pmd_free((tlb)->mm, pmdp)
 
 #define tlb_migrate_finish(mm)		do { } while (0)
diff --git a/arch/arm/include/asm/tlbflush.h b/arch/arm/include/asm/tlbflush.h
index ce7378ea..d2005de 100644
--- a/arch/arm/include/asm/tlbflush.h
+++ b/arch/arm/include/asm/tlbflush.h
@@ -10,12 +10,7 @@
 #ifndef _ASMARM_TLBFLUSH_H
 #define _ASMARM_TLBFLUSH_H
 
-
-#ifndef CONFIG_MMU
-
-#define tlb_flush(tlb)	((void) tlb)
-
-#else /* CONFIG_MMU */
+#ifdef CONFIG_MMU
 
 #include <asm/glue.h>
 
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
index c0225da..f06ff9f 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -391,6 +391,7 @@
 
 
 #ifdef CONFIG_SMP_ON_UP
+	__INIT
 __fixup_smp:
 	and	r3, r9, #0x000f0000	@ architecture version
 	teq	r3, #0x000f0000		@ CPU ID supported?
@@ -415,18 +416,7 @@
 	sub	r3, r0, r3
 	add	r4, r4, r3
 	add	r5, r5, r3
-2:	cmp	r4, r5
-	movhs	pc, lr
-	ldmia	r4!, {r0, r6}
- ARM(	str	r6, [r0, r3]	)
- THUMB(	add	r0, r0, r3	)
-#ifdef __ARMEB__
- THUMB(	mov	r6, r6, ror #16	)	@ Convert word order for big-endian.
-#endif
- THUMB(	strh	r6, [r0], #2	)	@ For Thumb-2, store as two halfwords
- THUMB(	mov	r6, r6, lsr #16	)	@ to be robust against misaligned r3.
- THUMB(	strh	r6, [r0]	)
-	b	2b
+	b	__do_fixup_smp_on_up
 ENDPROC(__fixup_smp)
 
 	.align
@@ -440,7 +430,31 @@
 	ALT_SMP(.long	1)
 	ALT_UP(.long	0)
 	.popsection
-
 #endif
 
+	.text
+__do_fixup_smp_on_up:
+	cmp	r4, r5
+	movhs	pc, lr
+	ldmia	r4!, {r0, r6}
+ ARM(	str	r6, [r0, r3]	)
+ THUMB(	add	r0, r0, r3	)
+#ifdef __ARMEB__
+ THUMB(	mov	r6, r6, ror #16	)	@ Convert word order for big-endian.
+#endif
+ THUMB(	strh	r6, [r0], #2	)	@ For Thumb-2, store as two halfwords
+ THUMB(	mov	r6, r6, lsr #16	)	@ to be robust against misaligned r3.
+ THUMB(	strh	r6, [r0]	)
+	b	__do_fixup_smp_on_up
+ENDPROC(__do_fixup_smp_on_up)
+
+ENTRY(fixup_smp)
+	stmfd	sp!, {r4 - r6, lr}
+	mov	r4, r0
+	add	r5, r0, r1
+	mov	r3, #0
+	bl	__do_fixup_smp_on_up
+	ldmfd	sp!, {r4 - r6, pc}
+ENDPROC(fixup_smp)
+
 #include "head-common.S"
diff --git a/arch/arm/kernel/hw_breakpoint.c b/arch/arm/kernel/hw_breakpoint.c
index c9f3f04..d600bd3 100644
--- a/arch/arm/kernel/hw_breakpoint.c
+++ b/arch/arm/kernel/hw_breakpoint.c
@@ -137,11 +137,10 @@
 	u32 didr;
 
 	/* Do we implement the extended CPUID interface? */
-	if (((read_cpuid_id() >> 16) & 0xf) != 0xf) {
-		pr_warning("CPUID feature registers not supported. "
-				"Assuming v6 debug is present.\n");
+	if (WARN_ONCE((((read_cpuid_id() >> 16) & 0xf) != 0xf),
+	    "CPUID feature registers not supported. "
+	    "Assuming v6 debug is present.\n"))
 		return ARM_DEBUG_ARCH_V6;
-	}
 
 	ARM_DBG_READ(c0, 0, didr);
 	return (didr >> 16) & 0xf;
@@ -152,6 +151,12 @@
 	return debug_arch;
 }
 
+static int debug_arch_supported(void)
+{
+	u8 arch = get_debug_arch();
+	return arch >= ARM_DEBUG_ARCH_V6 && arch <= ARM_DEBUG_ARCH_V7_ECP14;
+}
+
 /* Determine number of BRP register available. */
 static int get_num_brp_resources(void)
 {
@@ -268,6 +273,9 @@
 
 int hw_breakpoint_slots(int type)
 {
+	if (!debug_arch_supported())
+		return 0;
+
 	/*
 	 * We can be called early, so don't rely on
 	 * our static variables being initialised.
@@ -834,11 +842,11 @@
 
 	/*
 	 * v7 debug contains save and restore registers so that debug state
-	 * can be maintained across low-power modes without leaving
-	 * the debug logic powered up. It is IMPLEMENTATION DEFINED whether
-	 * we can write to the debug registers out of reset, so we must
-	 * unlock the OS Lock Access Register to avoid taking undefined
-	 * instruction exceptions later on.
+	 * can be maintained across low-power modes without leaving the debug
+	 * logic powered up. It is IMPLEMENTATION DEFINED whether we can access
+	 * the debug registers out of reset, so we must unlock the OS Lock
+	 * Access Register to avoid taking undefined instruction exceptions
+	 * later on.
 	 */
 	if (debug_arch >= ARM_DEBUG_ARCH_V7_ECP14) {
 		/*
@@ -882,7 +890,7 @@
 
 	debug_arch = get_debug_arch();
 
-	if (debug_arch > ARM_DEBUG_ARCH_V7_ECP14) {
+	if (!debug_arch_supported()) {
 		pr_info("debug architecture 0x%x unsupported.\n", debug_arch);
 		return 0;
 	}
@@ -899,18 +907,18 @@
 		pr_info("%d breakpoint(s) reserved for watchpoint "
 				"single-step.\n", core_num_reserved_brps);
 
+	/*
+	 * Reset the breakpoint resources. We assume that a halting
+	 * debugger will leave the world in a nice state for us.
+	 */
+	on_each_cpu(reset_ctrl_regs, NULL, 1);
+
 	ARM_DBG_READ(c1, 0, dscr);
 	if (dscr & ARM_DSCR_HDBGEN) {
+		max_watchpoint_len = 4;
 		pr_warning("halting debug mode enabled. Assuming maximum "
-				"watchpoint size of 4 bytes.");
+			   "watchpoint size of %u bytes.", max_watchpoint_len);
 	} else {
-		/*
-		 * Reset the breakpoint resources. We assume that a halting
-		 * debugger will leave the world in a nice state for us.
-		 */
-		smp_call_function(reset_ctrl_regs, NULL, 1);
-		reset_ctrl_regs(NULL);
-
 		/* Work out the maximum supported watchpoint length. */
 		max_watchpoint_len = get_max_wp_len();
 		pr_info("maximum watchpoint size is %u bytes.\n",
diff --git a/arch/arm/kernel/kprobes-decode.c b/arch/arm/kernel/kprobes-decode.c
index 2c1f005..8f6ed43 100644
--- a/arch/arm/kernel/kprobes-decode.c
+++ b/arch/arm/kernel/kprobes-decode.c
@@ -1437,7 +1437,7 @@
 
 		return space_cccc_1100_010x(insn, asi);
 
-	} else if ((insn & 0x0e000000) == 0x0c400000) {
+	} else if ((insn & 0x0e000000) == 0x0c000000) {
 
 		return space_cccc_110x(insn, asi);
 
diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c
index 2cfe816..6d4105e 100644
--- a/arch/arm/kernel/module.c
+++ b/arch/arm/kernel/module.c
@@ -22,6 +22,7 @@
 
 #include <asm/pgtable.h>
 #include <asm/sections.h>
+#include <asm/smp_plat.h>
 #include <asm/unwind.h>
 
 #ifdef CONFIG_XIP_KERNEL
@@ -268,12 +269,28 @@
 	const Elf_Shdr *txt_sec;
 };
 
+static const Elf_Shdr *find_mod_section(const Elf32_Ehdr *hdr,
+	const Elf_Shdr *sechdrs, const char *name)
+{
+	const Elf_Shdr *s, *se;
+	const char *secstrs = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset;
+
+	for (s = sechdrs, se = sechdrs + hdr->e_shnum; s < se; s++)
+		if (strcmp(name, secstrs + s->sh_name) == 0)
+			return s;
+
+	return NULL;
+}
+
+extern void fixup_smp(const void *, unsigned long);
+
 int module_finalize(const Elf32_Ehdr *hdr, const Elf_Shdr *sechdrs,
 		    struct module *mod)
 {
+	const Elf_Shdr * __maybe_unused s = NULL;
 #ifdef CONFIG_ARM_UNWIND
 	const char *secstrs = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset;
-	const Elf_Shdr *s, *sechdrs_end = sechdrs + hdr->e_shnum;
+	const Elf_Shdr *sechdrs_end = sechdrs + hdr->e_shnum;
 	struct mod_unwind_map maps[ARM_SEC_MAX];
 	int i;
 
@@ -315,6 +332,9 @@
 					         maps[i].txt_sec->sh_addr,
 					         maps[i].txt_sec->sh_size);
 #endif
+	s = find_mod_section(hdr, sechdrs, ".alt.smp.init");
+	if (s && !is_smp())
+		fixup_smp((void *)s->sh_addr, s->sh_size);
 	return 0;
 }
 
diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index 5efa264..d150ad1 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -700,7 +700,7 @@
 	 * Frame pointers should strictly progress back up the stack
 	 * (towards higher addresses).
 	 */
-	if (tail >= buftail.fp)
+	if (tail + 1 >= buftail.fp)
 		return NULL;
 
 	return buftail.fp - 1;
diff --git a/arch/arm/kernel/pmu.c b/arch/arm/kernel/pmu.c
index b8af96e..2c79eec 100644
--- a/arch/arm/kernel/pmu.c
+++ b/arch/arm/kernel/pmu.c
@@ -97,28 +97,34 @@
 			   irq, cpu);
 	return err;
 #else
-	return 0;
+	return -EINVAL;
 #endif
 }
 
 static int
 init_cpu_pmu(void)
 {
-	int i, err = 0;
+	int i, irqs, err = 0;
 	struct platform_device *pdev = pmu_devices[ARM_PMU_DEVICE_CPU];
 
-	if (!pdev) {
-		err = -ENODEV;
-		goto out;
-	}
+	if (!pdev)
+		return -ENODEV;
 
-	for (i = 0; i < pdev->num_resources; ++i) {
+	irqs = pdev->num_resources;
+
+	/*
+	 * If we have a single PMU interrupt that we can't shift, assume that
+	 * we're running on a uniprocessor machine and continue.
+	 */
+	if (irqs == 1 && !irq_can_set_affinity(platform_get_irq(pdev, 0)))
+		return 0;
+
+	for (i = 0; i < irqs; ++i) {
 		err = set_irq_affinity(platform_get_irq(pdev, i), i);
 		if (err)
 			break;
 	}
 
-out:
 	return err;
 }
 
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 420b8d6..5ea4fb71 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -226,8 +226,8 @@
 		 * Register 0 and check for VMSAv7 or PMSAv7 */
 		asm("mrc	p15, 0, %0, c0, c1, 4"
 		    : "=r" (mmfr0));
-		if ((mmfr0 & 0x0000000f) == 0x00000003 ||
-		    (mmfr0 & 0x000000f0) == 0x00000030)
+		if ((mmfr0 & 0x0000000f) >= 0x00000003 ||
+		    (mmfr0 & 0x000000f0) >= 0x00000030)
 			cpu_arch = CPU_ARCH_ARMv7;
 		else if ((mmfr0 & 0x0000000f) == 0x00000002 ||
 			 (mmfr0 & 0x000000f0) == 0x00000020)
diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c
index 907d5a6..abaf844 100644
--- a/arch/arm/kernel/signal.c
+++ b/arch/arm/kernel/signal.c
@@ -474,7 +474,9 @@
 	unsigned long handler = (unsigned long)ka->sa.sa_handler;
 	unsigned long retcode;
 	int thumb = 0;
-	unsigned long cpsr = regs->ARM_cpsr & ~PSR_f;
+	unsigned long cpsr = regs->ARM_cpsr & ~(PSR_f | PSR_E_BIT);
+
+	cpsr |= PSR_ENDSTATE;
 
 	/*
 	 * Maybe we need to deliver a 32-bit signal to a 26-bit task.
diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S
index 86b66f3..6146279 100644
--- a/arch/arm/kernel/vmlinux.lds.S
+++ b/arch/arm/kernel/vmlinux.lds.S
@@ -21,6 +21,12 @@
 #define ARM_CPU_KEEP(x)
 #endif
 
+#if defined(CONFIG_SMP_ON_UP) && !defined(CONFIG_DEBUG_SPINLOCK)
+#define ARM_EXIT_KEEP(x)	x
+#else
+#define ARM_EXIT_KEEP(x)
+#endif
+
 OUTPUT_ARCH(arm)
 ENTRY(stext)
 
@@ -43,6 +49,7 @@
 		_sinittext = .;
 			HEAD_TEXT
 			INIT_TEXT
+			ARM_EXIT_KEEP(EXIT_TEXT)
 		_einittext = .;
 		ARM_CPU_DISCARD(PROC_INFO)
 		__arch_info_begin = .;
@@ -67,6 +74,7 @@
 #ifndef CONFIG_XIP_KERNEL
 		__init_begin = _stext;
 		INIT_DATA
+		ARM_EXIT_KEEP(EXIT_DATA)
 #endif
 	}
 
@@ -162,6 +170,7 @@
 		. = ALIGN(PAGE_SIZE);
 		__init_begin = .;
 		INIT_DATA
+		ARM_EXIT_KEEP(EXIT_DATA)
 		. = ALIGN(PAGE_SIZE);
 		__init_end = .;
 #endif
@@ -247,6 +256,8 @@
 	}
 #endif
 
+	NOTES
+
 	BSS_SECTION(0, 0, 0)
 	_end = .;
 
diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c
index ffdf87b..8207954 100644
--- a/arch/arm/mach-ep93xx/core.c
+++ b/arch/arm/mach-ep93xx/core.c
@@ -838,7 +838,7 @@
 static struct resource ep93xx_ac97_resources[] = {
 	{
 		.start	= EP93XX_AAC_PHYS_BASE,
-		.end	= EP93XX_AAC_PHYS_BASE + 0xb0 - 1,
+		.end	= EP93XX_AAC_PHYS_BASE + 0xac - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	{
diff --git a/arch/arm/mach-imx/mach-mx25_3ds.c b/arch/arm/mach-imx/mach-mx25_3ds.c
index aa76cfd..8382e79 100644
--- a/arch/arm/mach-imx/mach-mx25_3ds.c
+++ b/arch/arm/mach-imx/mach-mx25_3ds.c
@@ -180,7 +180,7 @@
 	KEY(3, 3, KEY_POWER),
 };
 
-static const struct matrix_keymap_data mx25pdk_keymap_data __initdata = {
+static const struct matrix_keymap_data mx25pdk_keymap_data __initconst = {
 	.keymap		= mx25pdk_keymap,
 	.keymap_size	= ARRAY_SIZE(mx25pdk_keymap),
 };
diff --git a/arch/arm/mach-mxs/clock-mx23.c b/arch/arm/mach-mxs/clock-mx23.c
index b1a362e..ca72a05 100644
--- a/arch/arm/mach-mxs/clock-mx23.c
+++ b/arch/arm/mach-mxs/clock-mx23.c
@@ -304,7 +304,7 @@
 	reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_##dr);		\
 	reg &= ~BM_CLKCTRL_##dr##_DIV;					\
 	reg |= div << BP_CLKCTRL_##dr##_DIV;				\
-	if (reg | (1 << clk->enable_shift)) {				\
+	if (reg & (1 << clk->enable_shift)) {				\
 		pr_err("%s: clock is gated\n", __func__);		\
 		return -EINVAL;						\
 	}								\
@@ -347,7 +347,7 @@
 {									\
 	if (parent != clk->parent) {					\
 		__raw_writel(BM_CLKCTRL_CLKSEQ_BYPASS_##bit,		\
-			 HW_CLKCTRL_CLKSEQ_TOG);			\
+			 CLKCTRL_BASE_ADDR + HW_CLKCTRL_CLKSEQ_TOG);	\
 		clk->parent = parent;					\
 	}								\
 									\
diff --git a/arch/arm/mach-mxs/clock-mx28.c b/arch/arm/mach-mxs/clock-mx28.c
index 56312c0..fd1c4c5 100644
--- a/arch/arm/mach-mxs/clock-mx28.c
+++ b/arch/arm/mach-mxs/clock-mx28.c
@@ -355,12 +355,12 @@
 	} else {							\
 		reg &= ~BM_CLKCTRL_##dr##_DIV;				\
 		reg |= div << BP_CLKCTRL_##dr##_DIV;			\
-		if (reg | (1 << clk->enable_shift)) {			\
+		if (reg & (1 << clk->enable_shift)) {			\
 			pr_err("%s: clock is gated\n", __func__);	\
 			return -EINVAL;					\
 		}							\
 	}								\
-	__raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_CPU);		\
+	__raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_##dr);		\
 									\
 	for (i = 10000; i; i--)						\
 		if (!(__raw_readl(CLKCTRL_BASE_ADDR +			\
@@ -483,7 +483,7 @@
 {									\
 	if (parent != clk->parent) {					\
 		__raw_writel(BM_CLKCTRL_CLKSEQ_BYPASS_##bit,		\
-			 HW_CLKCTRL_CLKSEQ_TOG);			\
+			 CLKCTRL_BASE_ADDR + HW_CLKCTRL_CLKSEQ_TOG);	\
 		clk->parent = parent;					\
 	}								\
 									\
@@ -609,7 +609,6 @@
 	_REGISTER_CLOCK("duart", NULL, uart_clk)
 	_REGISTER_CLOCK("imx28-fec.0", NULL, fec_clk)
 	_REGISTER_CLOCK("imx28-fec.1", NULL, fec_clk)
-	_REGISTER_CLOCK("fec.0", NULL, fec_clk)
 	_REGISTER_CLOCK("rtc", NULL, rtc_clk)
 	_REGISTER_CLOCK("pll2", NULL, pll2_clk)
 	_REGISTER_CLOCK(NULL, "hclk", hbus_clk)
diff --git a/arch/arm/mach-mxs/clock.c b/arch/arm/mach-mxs/clock.c
index e7d2269..a7093c8 100644
--- a/arch/arm/mach-mxs/clock.c
+++ b/arch/arm/mach-mxs/clock.c
@@ -57,7 +57,6 @@
 		if (clk->disable)
 			clk->disable(clk);
 		__clk_disable(clk->parent);
-		__clk_disable(clk->secondary);
 	}
 }
 
@@ -68,7 +67,6 @@
 
 	if (clk->usecount++ == 0) {
 		__clk_enable(clk->parent);
-		__clk_enable(clk->secondary);
 
 		if (clk->enable)
 			clk->enable(clk);
diff --git a/arch/arm/mach-mxs/gpio.c b/arch/arm/mach-mxs/gpio.c
index d7ad7a6..cb0c0e8 100644
--- a/arch/arm/mach-mxs/gpio.c
+++ b/arch/arm/mach-mxs/gpio.c
@@ -139,6 +139,8 @@
 	struct mxs_gpio_port *port = (struct mxs_gpio_port *)get_irq_data(irq);
 	u32 gpio_irq_no_base = port->virtual_irq_start;
 
+	desc->irq_data.chip->irq_ack(&desc->irq_data);
+
 	irq_stat = __raw_readl(port->base + PINCTRL_IRQSTAT(port->id)) &
 			__raw_readl(port->base + PINCTRL_IRQEN(port->id));
 
diff --git a/arch/arm/mach-mxs/include/mach/clock.h b/arch/arm/mach-mxs/include/mach/clock.h
index 041e276..592c9ab 100644
--- a/arch/arm/mach-mxs/include/mach/clock.h
+++ b/arch/arm/mach-mxs/include/mach/clock.h
@@ -29,8 +29,6 @@
 	int id;
 	/* Source clock this clk depends on */
 	struct clk *parent;
-	/* Secondary clock to enable/disable with this clock */
-	struct clk *secondary;
 	/* Reference count of clock enable/disable */
 	__s8 usecount;
 	/* Register bit position for clock's enable/disable control. */
diff --git a/arch/arm/mach-omap1/lcd_dma.c b/arch/arm/mach-omap1/lcd_dma.c
index c9088d8..4538093 100644
--- a/arch/arm/mach-omap1/lcd_dma.c
+++ b/arch/arm/mach-omap1/lcd_dma.c
@@ -37,7 +37,7 @@
 	 * On OMAP1510, internal LCD controller will start the transfer
 	 * when it gets enabled, so assume DMA running if LCD enabled.
 	 */
-	if (cpu_is_omap1510())
+	if (cpu_is_omap15xx())
 		if (omap_readw(OMAP_LCDC_CONTROL) & OMAP_LCDC_CTRL_LCD_EN)
 			return 1;
 
@@ -95,7 +95,7 @@
 
 void omap_set_lcd_dma_b1_rotation(int rotate)
 {
-	if (cpu_is_omap1510()) {
+	if (cpu_is_omap15xx()) {
 		printk(KERN_ERR "DMA rotation is not supported in 1510 mode\n");
 		BUG();
 		return;
@@ -106,7 +106,7 @@
 
 void omap_set_lcd_dma_b1_mirror(int mirror)
 {
-	if (cpu_is_omap1510()) {
+	if (cpu_is_omap15xx()) {
 		printk(KERN_ERR "DMA mirror is not supported in 1510 mode\n");
 		BUG();
 	}
@@ -116,7 +116,7 @@
 
 void omap_set_lcd_dma_b1_vxres(unsigned long vxres)
 {
-	if (cpu_is_omap1510()) {
+	if (cpu_is_omap15xx()) {
 		printk(KERN_ERR "DMA virtual resulotion is not supported "
 				"in 1510 mode\n");
 		BUG();
@@ -127,7 +127,7 @@
 
 void omap_set_lcd_dma_b1_scale(unsigned int xscale, unsigned int yscale)
 {
-	if (cpu_is_omap1510()) {
+	if (cpu_is_omap15xx()) {
 		printk(KERN_ERR "DMA scale is not supported in 1510 mode\n");
 		BUG();
 	}
@@ -177,7 +177,7 @@
 			bottom = PIXADDR(lcd_dma.xres - 1, lcd_dma.yres - 1);
 			/* 1510 DMA requires the bottom address to be 2 more
 			 * than the actual last memory access location. */
-			if (cpu_is_omap1510() &&
+			if (cpu_is_omap15xx() &&
 				lcd_dma.data_type == OMAP_DMA_DATA_TYPE_S32)
 					bottom += 2;
 			ei = PIXSTEP(0, 0, 1, 0);
@@ -241,7 +241,7 @@
 		return;	/* Suppress warning about uninitialized vars */
 	}
 
-	if (cpu_is_omap1510()) {
+	if (cpu_is_omap15xx()) {
 		omap_writew(top >> 16, OMAP1510_DMA_LCD_TOP_F1_U);
 		omap_writew(top, OMAP1510_DMA_LCD_TOP_F1_L);
 		omap_writew(bottom >> 16, OMAP1510_DMA_LCD_BOT_F1_U);
@@ -343,7 +343,7 @@
 		BUG();
 		return;
 	}
-	if (!cpu_is_omap1510())
+	if (!cpu_is_omap15xx())
 		omap_writew(omap_readw(OMAP1610_DMA_LCD_CCR) & ~1,
 			    OMAP1610_DMA_LCD_CCR);
 	lcd_dma.reserved = 0;
@@ -360,7 +360,7 @@
 	 * connected. Otherwise the OMAP internal controller will
 	 * start the transfer when it gets enabled.
 	 */
-	if (cpu_is_omap1510() || !lcd_dma.ext_ctrl)
+	if (cpu_is_omap15xx() || !lcd_dma.ext_ctrl)
 		return;
 
 	w = omap_readw(OMAP1610_DMA_LCD_CTRL);
@@ -378,14 +378,14 @@
 void omap_setup_lcd_dma(void)
 {
 	BUG_ON(lcd_dma.active);
-	if (!cpu_is_omap1510()) {
+	if (!cpu_is_omap15xx()) {
 		/* Set some reasonable defaults */
 		omap_writew(0x5440, OMAP1610_DMA_LCD_CCR);
 		omap_writew(0x9102, OMAP1610_DMA_LCD_CSDP);
 		omap_writew(0x0004, OMAP1610_DMA_LCD_LCH_CTRL);
 	}
 	set_b1_regs();
-	if (!cpu_is_omap1510()) {
+	if (!cpu_is_omap15xx()) {
 		u16 w;
 
 		w = omap_readw(OMAP1610_DMA_LCD_CCR);
@@ -407,7 +407,7 @@
 	u16 w;
 
 	lcd_dma.active = 0;
-	if (cpu_is_omap1510() || !lcd_dma.ext_ctrl)
+	if (cpu_is_omap15xx() || !lcd_dma.ext_ctrl)
 		return;
 
 	w = omap_readw(OMAP1610_DMA_LCD_CCR);
diff --git a/arch/arm/mach-omap1/time.c b/arch/arm/mach-omap1/time.c
index f83fc33..6885d2f 100644
--- a/arch/arm/mach-omap1/time.c
+++ b/arch/arm/mach-omap1/time.c
@@ -44,7 +44,6 @@
 #include <linux/clocksource.h>
 #include <linux/clockchips.h>
 #include <linux/io.h>
-#include <linux/sched.h>
 
 #include <asm/system.h>
 #include <mach/hardware.h>
diff --git a/arch/arm/mach-omap2/board-devkit8000.c b/arch/arm/mach-omap2/board-devkit8000.c
index e906e05..9a2a31e 100644
--- a/arch/arm/mach-omap2/board-devkit8000.c
+++ b/arch/arm/mach-omap2/board-devkit8000.c
@@ -115,9 +115,6 @@
 
 static int devkit8000_panel_enable_lcd(struct omap_dss_device *dssdev)
 {
-	twl_i2c_write_u8(TWL4030_MODULE_GPIO, 0x80, REG_GPIODATADIR1);
-	twl_i2c_write_u8(TWL4030_MODULE_LED, 0x0, 0x0);
-
 	if (gpio_is_valid(dssdev->reset_gpio))
 		gpio_set_value_cansleep(dssdev->reset_gpio, 1);
 	return 0;
@@ -247,6 +244,8 @@
 static int devkit8000_twl_gpio_setup(struct device *dev,
 		unsigned gpio, unsigned ngpio)
 {
+	int ret;
+
 	omap_mux_init_gpio(29, OMAP_PIN_INPUT);
 	/* gpio + 0 is "mmc0_cd" (input/IRQ) */
 	mmc[0].gpio_cd = gpio + 0;
@@ -255,17 +254,23 @@
 	/* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
 	gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
 
-        /* gpio + 1 is "LCD_PWREN" (out, active high) */
-	devkit8000_lcd_device.reset_gpio = gpio + 1;
-	gpio_request(devkit8000_lcd_device.reset_gpio, "LCD_PWREN");
-	/* Disable until needed */
-	gpio_direction_output(devkit8000_lcd_device.reset_gpio, 0);
+	/* TWL4030_GPIO_MAX + 0 is "LCD_PWREN" (out, active high) */
+	devkit8000_lcd_device.reset_gpio = gpio + TWL4030_GPIO_MAX + 0;
+	ret = gpio_request_one(devkit8000_lcd_device.reset_gpio,
+			GPIOF_DIR_OUT | GPIOF_INIT_LOW, "LCD_PWREN");
+	if (ret < 0) {
+		devkit8000_lcd_device.reset_gpio = -EINVAL;
+		printk(KERN_ERR "Failed to request GPIO for LCD_PWRN\n");
+	}
 
 	/* gpio + 7 is "DVI_PD" (out, active low) */
 	devkit8000_dvi_device.reset_gpio = gpio + 7;
-	gpio_request(devkit8000_dvi_device.reset_gpio, "DVI PowerDown");
-	/* Disable until needed */
-	gpio_direction_output(devkit8000_dvi_device.reset_gpio, 0);
+	ret = gpio_request_one(devkit8000_dvi_device.reset_gpio,
+			GPIOF_DIR_OUT | GPIOF_INIT_LOW, "DVI PowerDown");
+	if (ret < 0) {
+		devkit8000_dvi_device.reset_gpio = -EINVAL;
+		printk(KERN_ERR "Failed to request GPIO for DVI PowerDown\n");
+	}
 
 	return 0;
 }
diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c
index e001a04..e944025 100644
--- a/arch/arm/mach-omap2/board-omap4panda.c
+++ b/arch/arm/mach-omap2/board-omap4panda.c
@@ -409,8 +409,6 @@
 	platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
 	omap_serial_init();
 	omap4_twl6030_hsmmc_init(mmc);
-	/* OMAP4 Panda uses internal transceiver so register nop transceiver */
-	usb_nop_xceiv_register();
 	omap4_ehci_init();
 	usb_musb_init(&musb_board_data);
 }
diff --git a/arch/arm/mach-omap2/board-rm680.c b/arch/arm/mach-omap2/board-rm680.c
index cb77be7..39a71bb 100644
--- a/arch/arm/mach-omap2/board-rm680.c
+++ b/arch/arm/mach-omap2/board-rm680.c
@@ -40,9 +40,6 @@
 static struct regulator_init_data rm680_vemmc = {
 	.constraints =	{
 		.name			= "rm680_vemmc",
-		.min_uV			= 2900000,
-		.max_uV			= 2900000,
-		.apply_uV		= 1,
 		.valid_modes_mask	= REGULATOR_MODE_NORMAL
 					| REGULATOR_MODE_STANDBY,
 		.valid_ops_mask		= REGULATOR_CHANGE_STATUS
diff --git a/arch/arm/mach-omap2/clkt_dpll.c b/arch/arm/mach-omap2/clkt_dpll.c
index 337392c..acb7ae5 100644
--- a/arch/arm/mach-omap2/clkt_dpll.c
+++ b/arch/arm/mach-omap2/clkt_dpll.c
@@ -77,7 +77,7 @@
 	dd = clk->dpll_data;
 
 	/* DPLL divider must result in a valid jitter correction val */
-	fint = clk->parent->rate / (n + 1);
+	fint = clk->parent->rate / n;
 	if (fint < DPLL_FINT_BAND1_MIN) {
 
 		pr_debug("rejecting n=%d due to Fint failure, "
diff --git a/arch/arm/mach-omap2/mailbox.c b/arch/arm/mach-omap2/mailbox.c
index 394413d..0a585df 100644
--- a/arch/arm/mach-omap2/mailbox.c
+++ b/arch/arm/mach-omap2/mailbox.c
@@ -334,7 +334,7 @@
 	.priv	= &omap2_mbox_iva_priv,
 };
 
-struct omap_mbox *omap2_mboxes[] = { &mbox_iva_info, &mbox_dsp_info, NULL };
+struct omap_mbox *omap2_mboxes[] = { &mbox_dsp_info, &mbox_iva_info, NULL };
 #endif
 
 #if defined(CONFIG_ARCH_OMAP4)
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index fae49d1..6c84659 100644
--- a/arch/arm/mach-omap2/mux.c
+++ b/arch/arm/mach-omap2/mux.c
@@ -605,7 +605,7 @@
 	list_for_each_entry(e, &partition->muxmodes, node) {
 		struct omap_mux *m = &e->mux;
 
-		(void)debugfs_create_file(m->muxnames[0], S_IWUGO, mux_dbg_dir,
+		(void)debugfs_create_file(m->muxnames[0], S_IWUSR, mux_dbg_dir,
 					  m, &omap_mux_dbg_signal_fops);
 	}
 }
@@ -1000,6 +1000,7 @@
 	if (!partition->base) {
 		pr_err("%s: Could not ioremap mux partition at 0x%08x\n",
 			__func__, partition->phys);
+		kfree(partition);
 		return -ENODEV;
 	}
 
diff --git a/arch/arm/mach-omap2/pm-debug.c b/arch/arm/mach-omap2/pm-debug.c
index 125f565..a5a83b3 100644
--- a/arch/arm/mach-omap2/pm-debug.c
+++ b/arch/arm/mach-omap2/pm-debug.c
@@ -637,14 +637,14 @@
 
 		}
 
-	(void) debugfs_create_file("enable_off_mode", S_IRUGO | S_IWUGO, d,
+	(void) debugfs_create_file("enable_off_mode", S_IRUGO | S_IWUSR, d,
 				   &enable_off_mode, &pm_dbg_option_fops);
-	(void) debugfs_create_file("sleep_while_idle", S_IRUGO | S_IWUGO, d,
+	(void) debugfs_create_file("sleep_while_idle", S_IRUGO | S_IWUSR, d,
 				   &sleep_while_idle, &pm_dbg_option_fops);
-	(void) debugfs_create_file("wakeup_timer_seconds", S_IRUGO | S_IWUGO, d,
+	(void) debugfs_create_file("wakeup_timer_seconds", S_IRUGO | S_IWUSR, d,
 				   &wakeup_timer_seconds, &pm_dbg_option_fops);
 	(void) debugfs_create_file("wakeup_timer_milliseconds",
-			S_IRUGO | S_IWUGO, d, &wakeup_timer_milliseconds,
+			S_IRUGO | S_IWUSR, d, &wakeup_timer_milliseconds,
 			&pm_dbg_option_fops);
 	pm_dbg_init_done = 1;
 
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index a4aa192..2f864e4 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -168,9 +168,10 @@
  * once during boot sequence, but this works as we are not using secure
  * services.
  */
-static void omap3_save_secure_ram_context(u32 target_mpu_state)
+static void omap3_save_secure_ram_context(void)
 {
 	u32 ret;
+	int mpu_next_state = pwrdm_read_next_pwrst(mpu_pwrdm);
 
 	if (omap_type() != OMAP2_DEVICE_TYPE_GP) {
 		/*
@@ -181,7 +182,7 @@
 		pwrdm_set_next_pwrst(mpu_pwrdm, PWRDM_POWER_ON);
 		ret = _omap_save_secure_sram((u32 *)
 				__pa(omap3_secure_ram_storage));
-		pwrdm_set_next_pwrst(mpu_pwrdm, target_mpu_state);
+		pwrdm_set_next_pwrst(mpu_pwrdm, mpu_next_state);
 		/* Following is for error tracking, it should not happen */
 		if (ret) {
 			printk(KERN_ERR "save_secure_sram() returns %08x\n",
@@ -1094,7 +1095,7 @@
 		local_fiq_disable();
 
 		omap_dma_global_context_save();
-		omap3_save_secure_ram_context(PWRDM_POWER_ON);
+		omap3_save_secure_ram_context();
 		omap_dma_global_context_restore();
 
 		local_irq_enable();
diff --git a/arch/arm/mach-omap2/prcm_mpu44xx.h b/arch/arm/mach-omap2/prcm_mpu44xx.h
index 729a644..3300ff6 100644
--- a/arch/arm/mach-omap2/prcm_mpu44xx.h
+++ b/arch/arm/mach-omap2/prcm_mpu44xx.h
@@ -38,8 +38,8 @@
 #define OMAP4430_PRCM_MPU_CPU1_INST		0x0800
 
 /* PRCM_MPU clockdomain register offsets (from instance start) */
-#define OMAP4430_PRCM_MPU_CPU0_MPU_CDOFFS	0x0000
-#define OMAP4430_PRCM_MPU_CPU1_MPU_CDOFFS	0x0000
+#define OMAP4430_PRCM_MPU_CPU0_MPU_CDOFFS	0x0018
+#define OMAP4430_PRCM_MPU_CPU1_MPU_CDOFFS	0x0018
 
 
 /*
diff --git a/arch/arm/mach-omap2/smartreflex.c b/arch/arm/mach-omap2/smartreflex.c
index 77ecebf..95ac336 100644
--- a/arch/arm/mach-omap2/smartreflex.c
+++ b/arch/arm/mach-omap2/smartreflex.c
@@ -780,8 +780,7 @@
 	struct omap_sr *sr_info = (struct omap_sr *) data;
 
 	if (!sr_info) {
-		pr_warning("%s: omap_sr struct for sr_%s not found\n",
-			__func__, sr_info->voltdm->name);
+		pr_warning("%s: omap_sr struct not found\n", __func__);
 		return -EINVAL;
 	}
 
@@ -795,8 +794,7 @@
 	struct omap_sr *sr_info = (struct omap_sr *) data;
 
 	if (!sr_info) {
-		pr_warning("%s: omap_sr struct for sr_%s not found\n",
-			__func__, sr_info->voltdm->name);
+		pr_warning("%s: omap_sr struct not found\n", __func__);
 		return -EINVAL;
 	}
 
@@ -834,7 +832,8 @@
 
 	if (!pdata) {
 		dev_err(&pdev->dev, "%s: platform data missing\n", __func__);
-		return -EINVAL;
+		ret = -EINVAL;
+		goto err_free_devinfo;
 	}
 
 	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -901,7 +900,7 @@
 		return PTR_ERR(dbg_dir);
 	}
 
-	(void) debugfs_create_file("autocomp", S_IRUGO | S_IWUGO, dbg_dir,
+	(void) debugfs_create_file("autocomp", S_IRUGO | S_IWUSR, dbg_dir,
 				(void *)sr_info, &pm_sr_fops);
 	(void) debugfs_create_x32("errweight", S_IRUGO, dbg_dir,
 			&sr_info->err_weight);
@@ -940,7 +939,7 @@
 		strcpy(name, "volt_");
 		sprintf(volt_name, "%d", volt_data[i].volt_nominal);
 		strcat(name, volt_name);
-		(void) debugfs_create_x32(name, S_IRUGO | S_IWUGO, nvalue_dir,
+		(void) debugfs_create_x32(name, S_IRUGO | S_IWUSR, nvalue_dir,
 				&(sr_info->nvalue_table[i].nvalue));
 	}
 
@@ -966,7 +965,7 @@
 	}
 
 	sr_info = _sr_lookup(pdata->voltdm);
-	if (!sr_info) {
+	if (IS_ERR(sr_info)) {
 		dev_warn(&pdev->dev, "%s: omap_sr struct not found\n",
 			__func__);
 		return -EINVAL;
diff --git a/arch/arm/mach-omap2/timer-gp.c b/arch/arm/mach-omap2/timer-gp.c
index 7b7c268..0fc550e 100644
--- a/arch/arm/mach-omap2/timer-gp.c
+++ b/arch/arm/mach-omap2/timer-gp.c
@@ -39,6 +39,7 @@
 #include <asm/mach/time.h>
 #include <plat/dmtimer.h>
 #include <asm/localtimer.h>
+#include <asm/sched_clock.h>
 
 #include "timer-gp.h"
 
@@ -190,6 +191,7 @@
 /*
  * clocksource
  */
+static DEFINE_CLOCK_DATA(cd);
 static struct omap_dm_timer *gpt_clocksource;
 static cycle_t clocksource_read_cycles(struct clocksource *cs)
 {
@@ -204,6 +206,15 @@
 	.flags		= CLOCK_SOURCE_IS_CONTINUOUS,
 };
 
+static void notrace dmtimer_update_sched_clock(void)
+{
+	u32 cyc;
+
+	cyc = omap_dm_timer_read_counter(gpt_clocksource);
+
+	update_sched_clock(&cd, cyc, (u32)~0);
+}
+
 /* Setup free-running counter for clocksource */
 static void __init omap2_gp_clocksource_init(void)
 {
@@ -224,6 +235,8 @@
 
 	omap_dm_timer_set_load_start(gpt, 1, 0);
 
+	init_sched_clock(&cd, dmtimer_update_sched_clock, 32, tick_rate);
+
 	if (clocksource_register_hz(&clocksource_gpt, tick_rate))
 		printk(err2, clocksource_gpt.name);
 }
diff --git a/arch/arm/mach-omap2/voltage.c b/arch/arm/mach-omap2/voltage.c
index ed6079c9..12be525 100644
--- a/arch/arm/mach-omap2/voltage.c
+++ b/arch/arm/mach-omap2/voltage.c
@@ -471,6 +471,7 @@
 	strcat(name, vdd->voltdm.name);
 
 	vdd->debug_dir = debugfs_create_dir(name, voltage_dir);
+	kfree(name);
 	if (IS_ERR(vdd->debug_dir)) {
 		pr_warning("%s: Unable to create debugfs directory for"
 			" vdd_%s\n", __func__, vdd->voltdm.name);
diff --git a/arch/arm/mach-pxa/colibri-evalboard.c b/arch/arm/mach-pxa/colibri-evalboard.c
index 6b2c800..28f667e 100644
--- a/arch/arm/mach-pxa/colibri-evalboard.c
+++ b/arch/arm/mach-pxa/colibri-evalboard.c
@@ -50,7 +50,7 @@
 			GPIO0_COLIBRI_PXA270_SD_DETECT;
 	if (machine_is_colibri300())	/* PXA300 Colibri */
 		colibri_mci_platform_data.gpio_card_detect =
-			GPIO39_COLIBRI_PXA300_SD_DETECT;
+			GPIO13_COLIBRI_PXA300_SD_DETECT;
 	else				/* PXA320 Colibri */
 		colibri_mci_platform_data.gpio_card_detect =
 			GPIO28_COLIBRI_PXA320_SD_DETECT;
diff --git a/arch/arm/mach-pxa/colibri-pxa300.c b/arch/arm/mach-pxa/colibri-pxa300.c
index fddb16d..66dd81c 100644
--- a/arch/arm/mach-pxa/colibri-pxa300.c
+++ b/arch/arm/mach-pxa/colibri-pxa300.c
@@ -41,7 +41,7 @@
 	GPIO4_MMC1_DAT1,
 	GPIO5_MMC1_DAT2,
 	GPIO6_MMC1_DAT3,
-	GPIO39_GPIO,	/* SD detect */
+	GPIO13_GPIO,	/* GPIO13_COLIBRI_PXA300_SD_DETECT */
 
 	/* UHC */
 	GPIO0_2_USBH_PEN,
diff --git a/arch/arm/mach-pxa/include/mach/colibri.h b/arch/arm/mach-pxa/include/mach/colibri.h
index 388a96f..cb4236e 100644
--- a/arch/arm/mach-pxa/include/mach/colibri.h
+++ b/arch/arm/mach-pxa/include/mach/colibri.h
@@ -60,7 +60,7 @@
 #define GPIO113_COLIBRI_PXA270_TS_IRQ	113
 
 /* GPIO definitions for Colibri PXA300/310 */
-#define GPIO39_COLIBRI_PXA300_SD_DETECT	39
+#define GPIO13_COLIBRI_PXA300_SD_DETECT	13
 
 /* GPIO definitions for Colibri PXA320 */
 #define GPIO28_COLIBRI_PXA320_SD_DETECT	28
diff --git a/arch/arm/mach-pxa/palm27x.c b/arch/arm/mach-pxa/palm27x.c
index 405b92a..35572c4 100644
--- a/arch/arm/mach-pxa/palm27x.c
+++ b/arch/arm/mach-pxa/palm27x.c
@@ -323,7 +323,7 @@
 	.pwm_id		= 0,
 	.max_brightness	= 0xfe,
 	.dft_brightness	= 0x7e,
-	.pwm_period_ns	= 3500,
+	.pwm_period_ns	= 3500 * 1024,
 	.init		= palm27x_backlight_init,
 	.notify		= palm27x_backlight_notify,
 	.exit		= palm27x_backlight_exit,
diff --git a/arch/arm/mach-pxa/pm.c b/arch/arm/mach-pxa/pm.c
index 978e1b2..1807c9a 100644
--- a/arch/arm/mach-pxa/pm.c
+++ b/arch/arm/mach-pxa/pm.c
@@ -33,7 +33,7 @@
 #endif
 
 	/* skip registers saving for standby */
-	if (state != PM_SUSPEND_STANDBY) {
+	if (state != PM_SUSPEND_STANDBY && pxa_cpu_pm_fns->save) {
 		pxa_cpu_pm_fns->save(sleep_save);
 		/* before sleeping, calculate and save a checksum */
 		for (i = 0; i < pxa_cpu_pm_fns->save_count - 1; i++)
@@ -44,7 +44,7 @@
 	pxa_cpu_pm_fns->enter(state);
 	cpu_init();
 
-	if (state != PM_SUSPEND_STANDBY) {
+	if (state != PM_SUSPEND_STANDBY && pxa_cpu_pm_fns->restore) {
 		/* after sleeping, validate the checksum */
 		for (i = 0; i < pxa_cpu_pm_fns->save_count - 1; i++)
 			checksum += sleep_save[i];
diff --git a/arch/arm/mach-s5p6442/include/mach/map.h b/arch/arm/mach-s5p6442/include/mach/map.h
index 203dd5a..058dab4 100644
--- a/arch/arm/mach-s5p6442/include/mach/map.h
+++ b/arch/arm/mach-s5p6442/include/mach/map.h
@@ -1,6 +1,6 @@
 /* linux/arch/arm/mach-s5p6442/include/mach/map.h
  *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
  *		http://www.samsung.com/
  *
  * S5P6442 - Memory map definitions
@@ -16,56 +16,61 @@
 #include <plat/map-base.h>
 #include <plat/map-s5p.h>
 
-#define S5P6442_PA_CHIPID	(0xE0000000)
-#define S5P_PA_CHIPID		S5P6442_PA_CHIPID
+#define S5P6442_PA_SDRAM	0x20000000
 
-#define S5P6442_PA_SYSCON	(0xE0100000)
-#define S5P_PA_SYSCON		S5P6442_PA_SYSCON
+#define S5P6442_PA_I2S0		0xC0B00000
+#define S5P6442_PA_I2S1		0xF2200000
 
-#define S5P6442_PA_GPIO		(0xE0200000)
+#define S5P6442_PA_CHIPID	0xE0000000
 
-#define S5P6442_PA_VIC0		(0xE4000000)
-#define S5P6442_PA_VIC1		(0xE4100000)
-#define S5P6442_PA_VIC2		(0xE4200000)
+#define S5P6442_PA_SYSCON	0xE0100000
 
-#define S5P6442_PA_SROMC	(0xE7000000)
-#define S5P_PA_SROMC		S5P6442_PA_SROMC
+#define S5P6442_PA_GPIO		0xE0200000
+
+#define S5P6442_PA_VIC0		0xE4000000
+#define S5P6442_PA_VIC1		0xE4100000
+#define S5P6442_PA_VIC2		0xE4200000
+
+#define S5P6442_PA_SROMC	0xE7000000
 
 #define S5P6442_PA_MDMA		0xE8000000
 #define S5P6442_PA_PDMA		0xE9000000
 
-#define S5P6442_PA_TIMER	(0xEA000000)
-#define S5P_PA_TIMER		S5P6442_PA_TIMER
+#define S5P6442_PA_TIMER	0xEA000000
 
-#define S5P6442_PA_SYSTIMER   	(0xEA100000)
+#define S5P6442_PA_SYSTIMER	0xEA100000
 
-#define S5P6442_PA_WATCHDOG	(0xEA200000)
+#define S5P6442_PA_WATCHDOG	0xEA200000
 
-#define S5P6442_PA_UART		(0xEC000000)
+#define S5P6442_PA_UART		0xEC000000
 
-#define S5P_PA_UART0		(S5P6442_PA_UART + 0x0)
-#define S5P_PA_UART1		(S5P6442_PA_UART + 0x400)
-#define S5P_PA_UART2		(S5P6442_PA_UART + 0x800)
-#define S5P_SZ_UART		SZ_256
-
-#define S5P6442_PA_IIC0		(0xEC100000)
-
-#define S5P6442_PA_SDRAM	(0x20000000)
-#define S5P_PA_SDRAM		S5P6442_PA_SDRAM
+#define S5P6442_PA_IIC0		0xEC100000
 
 #define S5P6442_PA_SPI		0xEC300000
 
-/* I2S */
-#define S5P6442_PA_I2S0		0xC0B00000
-#define S5P6442_PA_I2S1		0xF2200000
-
-/* PCM */
 #define S5P6442_PA_PCM0		0xF2400000
 #define S5P6442_PA_PCM1		0xF2500000
 
-/* compatibiltiy defines. */
-#define S3C_PA_WDT		S5P6442_PA_WATCHDOG
-#define S3C_PA_UART		S5P6442_PA_UART
+/* Compatibiltiy Defines */
+
 #define S3C_PA_IIC		S5P6442_PA_IIC0
+#define S3C_PA_WDT		S5P6442_PA_WATCHDOG
+
+#define S5P_PA_CHIPID		S5P6442_PA_CHIPID
+#define S5P_PA_SDRAM		S5P6442_PA_SDRAM
+#define S5P_PA_SROMC		S5P6442_PA_SROMC
+#define S5P_PA_SYSCON		S5P6442_PA_SYSCON
+#define S5P_PA_TIMER		S5P6442_PA_TIMER
+
+/* UART */
+
+#define S3C_PA_UART		S5P6442_PA_UART
+
+#define S5P_PA_UART(x)		(S3C_PA_UART + ((x) * S3C_UART_OFFSET))
+#define S5P_PA_UART0		S5P_PA_UART(0)
+#define S5P_PA_UART1		S5P_PA_UART(1)
+#define S5P_PA_UART2		S5P_PA_UART(2)
+
+#define S5P_SZ_UART		SZ_256
 
 #endif /* __ASM_ARCH_MAP_H */
diff --git a/arch/arm/mach-s5p64x0/include/mach/map.h b/arch/arm/mach-s5p64x0/include/mach/map.h
index a9365e5..95c9125 100644
--- a/arch/arm/mach-s5p64x0/include/mach/map.h
+++ b/arch/arm/mach-s5p64x0/include/mach/map.h
@@ -1,6 +1,6 @@
 /* linux/arch/arm/mach-s5p64x0/include/mach/map.h
  *
- * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2009-2011 Samsung Electronics Co., Ltd.
  *		http://www.samsung.com
  *
  * S5P64X0 - Memory map definitions
@@ -16,30 +16,63 @@
 #include <plat/map-base.h>
 #include <plat/map-s5p.h>
 
-#define S5P64X0_PA_SDRAM	(0x20000000)
+#define S5P64X0_PA_SDRAM	0x20000000
 
-#define S5P64X0_PA_CHIPID	(0xE0000000)
+#define S5P64X0_PA_CHIPID	0xE0000000
+
+#define S5P64X0_PA_SYSCON	0xE0100000
+
+#define S5P64X0_PA_GPIO		0xE0308000
+
+#define S5P64X0_PA_VIC0		0xE4000000
+#define S5P64X0_PA_VIC1		0xE4100000
+
+#define S5P64X0_PA_SROMC	0xE7000000
+
+#define S5P64X0_PA_PDMA		0xE9000000
+
+#define S5P64X0_PA_TIMER	0xEA000000
+#define S5P64X0_PA_RTC		0xEA100000
+#define S5P64X0_PA_WDT		0xEA200000
+
+#define S5P6440_PA_IIC0		0xEC104000
+#define S5P6440_PA_IIC1		0xEC20F000
+#define S5P6450_PA_IIC0		0xEC100000
+#define S5P6450_PA_IIC1		0xEC200000
+
+#define S5P64X0_PA_SPI0		0xEC400000
+#define S5P64X0_PA_SPI1		0xEC500000
+
+#define S5P64X0_PA_HSOTG	0xED100000
+
+#define S5P64X0_PA_HSMMC(x)	(0xED800000 + ((x) * 0x100000))
+
+#define S5P64X0_PA_I2S		0xF2000000
+#define S5P6450_PA_I2S1		0xF2800000
+#define S5P6450_PA_I2S2		0xF2900000
+
+#define S5P64X0_PA_PCM		0xF2100000
+
+#define S5P64X0_PA_ADC		0xF3000000
+
+/* Compatibiltiy Defines */
+
+#define S3C_PA_HSMMC0		S5P64X0_PA_HSMMC(0)
+#define S3C_PA_HSMMC1		S5P64X0_PA_HSMMC(1)
+#define S3C_PA_HSMMC2		S5P64X0_PA_HSMMC(2)
+#define S3C_PA_IIC		S5P6440_PA_IIC0
+#define S3C_PA_IIC1		S5P6440_PA_IIC1
+#define S3C_PA_RTC		S5P64X0_PA_RTC
+#define S3C_PA_WDT		S5P64X0_PA_WDT
+
 #define S5P_PA_CHIPID		S5P64X0_PA_CHIPID
-
-#define S5P64X0_PA_SYSCON	(0xE0100000)
-#define S5P_PA_SYSCON		S5P64X0_PA_SYSCON
-
-#define S5P64X0_PA_GPIO		(0xE0308000)
-
-#define S5P64X0_PA_VIC0		(0xE4000000)
-#define S5P64X0_PA_VIC1		(0xE4100000)
-
-#define S5P64X0_PA_SROMC	(0xE7000000)
 #define S5P_PA_SROMC		S5P64X0_PA_SROMC
-
-#define S5P64X0_PA_PDMA		(0xE9000000)
-
-#define S5P64X0_PA_TIMER	(0xEA000000)
+#define S5P_PA_SYSCON		S5P64X0_PA_SYSCON
 #define S5P_PA_TIMER		S5P64X0_PA_TIMER
 
-#define S5P64X0_PA_RTC		(0xEA100000)
+#define SAMSUNG_PA_ADC		S5P64X0_PA_ADC
 
-#define S5P64X0_PA_WDT		(0xEA200000)
+/* UART */
 
 #define S5P6440_PA_UART(x)	(0xEC000000 + ((x) * S3C_UART_OFFSET))
 #define S5P6450_PA_UART(x)	((x < 5) ? (0xEC800000 + ((x) * S3C_UART_OFFSET)) : (0xEC000000))
@@ -53,36 +86,4 @@
 
 #define S5P_SZ_UART		SZ_256
 
-#define S5P6440_PA_IIC0		(0xEC104000)
-#define S5P6440_PA_IIC1		(0xEC20F000)
-#define S5P6450_PA_IIC0		(0xEC100000)
-#define S5P6450_PA_IIC1		(0xEC200000)
-
-#define S5P64X0_PA_SPI0		(0xEC400000)
-#define S5P64X0_PA_SPI1		(0xEC500000)
-
-#define S5P64X0_PA_HSOTG	(0xED100000)
-
-#define S5P64X0_PA_HSMMC(x)	(0xED800000 + ((x) * 0x100000))
-
-#define S5P64X0_PA_I2S		(0xF2000000)
-#define S5P6450_PA_I2S1		0xF2800000
-#define S5P6450_PA_I2S2		0xF2900000
-
-#define S5P64X0_PA_PCM		(0xF2100000)
-
-#define S5P64X0_PA_ADC		(0xF3000000)
-
-/* compatibiltiy defines. */
-
-#define S3C_PA_HSMMC0		S5P64X0_PA_HSMMC(0)
-#define S3C_PA_HSMMC1		S5P64X0_PA_HSMMC(1)
-#define S3C_PA_HSMMC2		S5P64X0_PA_HSMMC(2)
-#define S3C_PA_IIC		S5P6440_PA_IIC0
-#define S3C_PA_IIC1		S5P6440_PA_IIC1
-#define S3C_PA_RTC		S5P64X0_PA_RTC
-#define S3C_PA_WDT		S5P64X0_PA_WDT
-
-#define SAMSUNG_PA_ADC		S5P64X0_PA_ADC
-
 #endif /* __ASM_ARCH_MAP_H */
diff --git a/arch/arm/mach-s5pc100/include/mach/map.h b/arch/arm/mach-s5pc100/include/mach/map.h
index 328467b..ccbe6b7 100644
--- a/arch/arm/mach-s5pc100/include/mach/map.h
+++ b/arch/arm/mach-s5pc100/include/mach/map.h
@@ -1,5 +1,8 @@
 /* linux/arch/arm/mach-s5pc100/include/mach/map.h
  *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
  * Copyright 2009 Samsung Electronics Co.
  *	Byungho Min <bhmin@samsung.com>
  *
@@ -16,145 +19,115 @@
 #include <plat/map-base.h>
 #include <plat/map-s5p.h>
 
-/*
- * map-base.h has already defined virtual memory address
- * S3C_VA_IRQ		S3C_ADDR(0x00000000)	irq controller(s)
- * S3C_VA_SYS		S3C_ADDR(0x00100000)	system control
- * S3C_VA_MEM		S3C_ADDR(0x00200000)	system control (not used)
- * S3C_VA_TIMER		S3C_ADDR(0x00300000)	timer block
- * S3C_VA_WATCHDOG	S3C_ADDR(0x00400000)	watchdog
- * S3C_VA_UART		S3C_ADDR(0x01000000)	UART
- *
- * S5PC100 specific virtual memory address can be defined here
- * S5PC1XX_VA_GPIO	S3C_ADDR(0x00500000)	GPIO
- *
- */
+#define S5PC100_PA_SDRAM		0x20000000
 
-#define S5PC100_PA_ONENAND_BUF	(0xB0000000)
-#define S5PC100_SZ_ONENAND_BUF	(SZ_256M - SZ_32M)
+#define S5PC100_PA_ONENAND		0xE7100000
+#define S5PC100_PA_ONENAND_BUF		0xB0000000
 
-/* Chip ID */
+#define S5PC100_PA_CHIPID		0xE0000000
 
-#define S5PC100_PA_CHIPID	(0xE0000000)
-#define S5P_PA_CHIPID		S5PC100_PA_CHIPID
+#define S5PC100_PA_SYSCON		0xE0100000
 
-#define S5PC100_PA_SYSCON	(0xE0100000)
-#define S5P_PA_SYSCON		S5PC100_PA_SYSCON
+#define S5PC100_PA_OTHERS		0xE0200000
 
-#define S5PC100_PA_OTHERS	(0xE0200000)
-#define S5PC100_VA_OTHERS	(S3C_VA_SYS + 0x10000)
+#define S5PC100_PA_GPIO			0xE0300000
 
-#define S5PC100_PA_GPIO		(0xE0300000)
-#define S5PC1XX_VA_GPIO		S3C_ADDR(0x00500000)
+#define S5PC100_PA_VIC0			0xE4000000
+#define S5PC100_PA_VIC1			0xE4100000
+#define S5PC100_PA_VIC2			0xE4200000
 
-/* Interrupt */
-#define S5PC100_PA_VIC0		(0xE4000000)
-#define S5PC100_PA_VIC1		(0xE4100000)
-#define S5PC100_PA_VIC2		(0xE4200000)
-#define S5PC100_VA_VIC		S3C_VA_IRQ
-#define S5PC100_VA_VIC_OFFSET	0x10000
-#define S5PC1XX_VA_VIC(x)	(S5PC100_VA_VIC + ((x) * S5PC100_VA_VIC_OFFSET))
+#define S5PC100_PA_SROMC		0xE7000000
 
-#define S5PC100_PA_SROMC	(0xE7000000)
-#define S5P_PA_SROMC		S5PC100_PA_SROMC
+#define S5PC100_PA_CFCON		0xE7800000
 
-#define S5PC100_PA_ONENAND	(0xE7100000)
+#define S5PC100_PA_MDMA			0xE8100000
+#define S5PC100_PA_PDMA0		0xE9000000
+#define S5PC100_PA_PDMA1		0xE9200000
 
-#define S5PC100_PA_CFCON	(0xE7800000)
+#define S5PC100_PA_TIMER		0xEA000000
+#define S5PC100_PA_SYSTIMER		0xEA100000
+#define S5PC100_PA_WATCHDOG		0xEA200000
+#define S5PC100_PA_RTC			0xEA300000
 
-/* DMA */
-#define S5PC100_PA_MDMA		(0xE8100000)
-#define S5PC100_PA_PDMA0	(0xE9000000)
-#define S5PC100_PA_PDMA1	(0xE9200000)
+#define S5PC100_PA_UART			0xEC000000
 
-/* Timer */
-#define S5PC100_PA_TIMER	(0xEA000000)
-#define S5P_PA_TIMER		S5PC100_PA_TIMER
+#define S5PC100_PA_IIC0			0xEC100000
+#define S5PC100_PA_IIC1			0xEC200000
 
-#define S5PC100_PA_SYSTIMER	(0xEA100000)
+#define S5PC100_PA_SPI0			0xEC300000
+#define S5PC100_PA_SPI1			0xEC400000
+#define S5PC100_PA_SPI2			0xEC500000
 
-#define S5PC100_PA_WATCHDOG	(0xEA200000)
-#define S5PC100_PA_RTC		(0xEA300000)
+#define S5PC100_PA_USB_HSOTG		0xED200000
+#define S5PC100_PA_USB_HSPHY		0xED300000
 
-#define S5PC100_PA_UART		(0xEC000000)
+#define S5PC100_PA_HSMMC(x)		(0xED800000 + ((x) * 0x100000))
 
-#define S5P_PA_UART0		(S5PC100_PA_UART + 0x0)
-#define S5P_PA_UART1		(S5PC100_PA_UART + 0x400)
-#define S5P_PA_UART2		(S5PC100_PA_UART + 0x800)
-#define S5P_PA_UART3		(S5PC100_PA_UART + 0xC00)
-#define S5P_SZ_UART		SZ_256
+#define S5PC100_PA_FB			0xEE000000
 
-#define S5PC100_PA_IIC0		(0xEC100000)
-#define S5PC100_PA_IIC1		(0xEC200000)
+#define S5PC100_PA_FIMC0		0xEE200000
+#define S5PC100_PA_FIMC1		0xEE300000
+#define S5PC100_PA_FIMC2		0xEE400000
 
-/* SPI */
-#define S5PC100_PA_SPI0		0xEC300000
-#define S5PC100_PA_SPI1		0xEC400000
-#define S5PC100_PA_SPI2		0xEC500000
+#define S5PC100_PA_I2S0			0xF2000000
+#define S5PC100_PA_I2S1			0xF2100000
+#define S5PC100_PA_I2S2			0xF2200000
 
-/* USB HS OTG */
-#define S5PC100_PA_USB_HSOTG	(0xED200000)
-#define S5PC100_PA_USB_HSPHY	(0xED300000)
+#define S5PC100_PA_AC97			0xF2300000
 
-#define S5PC100_PA_FB		(0xEE000000)
+#define S5PC100_PA_PCM0			0xF2400000
+#define S5PC100_PA_PCM1			0xF2500000
 
-#define S5PC100_PA_FIMC0	(0xEE200000)
-#define S5PC100_PA_FIMC1	(0xEE300000)
-#define S5PC100_PA_FIMC2	(0xEE400000)
+#define S5PC100_PA_SPDIF		0xF2600000
 
-#define S5PC100_PA_I2S0		(0xF2000000)
-#define S5PC100_PA_I2S1		(0xF2100000)
-#define S5PC100_PA_I2S2		(0xF2200000)
+#define S5PC100_PA_TSADC		0xF3000000
 
-#define S5PC100_PA_AC97		0xF2300000
+#define S5PC100_PA_KEYPAD		0xF3100000
 
-/* PCM */
-#define S5PC100_PA_PCM0		0xF2400000
-#define S5PC100_PA_PCM1		0xF2500000
+/* Compatibiltiy Defines */
 
-#define S5PC100_PA_SPDIF	0xF2600000
+#define S3C_PA_FB			S5PC100_PA_FB
+#define S3C_PA_HSMMC0			S5PC100_PA_HSMMC(0)
+#define S3C_PA_HSMMC1			S5PC100_PA_HSMMC(1)
+#define S3C_PA_HSMMC2			S5PC100_PA_HSMMC(2)
+#define S3C_PA_IIC			S5PC100_PA_IIC0
+#define S3C_PA_IIC1			S5PC100_PA_IIC1
+#define S3C_PA_KEYPAD			S5PC100_PA_KEYPAD
+#define S3C_PA_ONENAND			S5PC100_PA_ONENAND
+#define S3C_PA_ONENAND_BUF		S5PC100_PA_ONENAND_BUF
+#define S3C_PA_RTC			S5PC100_PA_RTC
+#define S3C_PA_TSADC			S5PC100_PA_TSADC
+#define S3C_PA_USB_HSOTG		S5PC100_PA_USB_HSOTG
+#define S3C_PA_USB_HSPHY		S5PC100_PA_USB_HSPHY
+#define S3C_PA_WDT			S5PC100_PA_WATCHDOG
 
-#define S5PC100_PA_TSADC	(0xF3000000)
+#define S5P_PA_CHIPID			S5PC100_PA_CHIPID
+#define S5P_PA_FIMC0			S5PC100_PA_FIMC0
+#define S5P_PA_FIMC1			S5PC100_PA_FIMC1
+#define S5P_PA_FIMC2			S5PC100_PA_FIMC2
+#define S5P_PA_SDRAM			S5PC100_PA_SDRAM
+#define S5P_PA_SROMC			S5PC100_PA_SROMC
+#define S5P_PA_SYSCON			S5PC100_PA_SYSCON
+#define S5P_PA_TIMER			S5PC100_PA_TIMER
 
-/* KEYPAD */
-#define S5PC100_PA_KEYPAD	(0xF3100000)
+#define SAMSUNG_PA_ADC			S5PC100_PA_TSADC
+#define SAMSUNG_PA_CFCON		S5PC100_PA_CFCON
+#define SAMSUNG_PA_KEYPAD		S5PC100_PA_KEYPAD
 
-#define S5PC100_PA_HSMMC(x)	(0xED800000 + ((x) * 0x100000))
+#define S5PC100_VA_OTHERS		(S3C_VA_SYS + 0x10000)
 
-#define S5PC100_PA_SDRAM	(0x20000000)
-#define S5P_PA_SDRAM		S5PC100_PA_SDRAM
+#define S3C_SZ_ONENAND_BUF		(SZ_256M - SZ_32M)
 
-/* compatibiltiy defines. */
-#define S3C_PA_UART		S5PC100_PA_UART
-#define S3C_PA_IIC		S5PC100_PA_IIC0
-#define S3C_PA_IIC1		S5PC100_PA_IIC1
-#define S3C_PA_FB		S5PC100_PA_FB
-#define S3C_PA_G2D		S5PC100_PA_G2D
-#define S3C_PA_G3D		S5PC100_PA_G3D
-#define S3C_PA_JPEG		S5PC100_PA_JPEG
-#define S3C_PA_ROTATOR		S5PC100_PA_ROTATOR
-#define S5P_VA_VIC0		S5PC1XX_VA_VIC(0)
-#define S5P_VA_VIC1		S5PC1XX_VA_VIC(1)
-#define S5P_VA_VIC2		S5PC1XX_VA_VIC(2)
-#define S3C_PA_USB_HSOTG	S5PC100_PA_USB_HSOTG
-#define S3C_PA_USB_HSPHY	S5PC100_PA_USB_HSPHY
-#define S3C_PA_HSMMC0		S5PC100_PA_HSMMC(0)
-#define S3C_PA_HSMMC1		S5PC100_PA_HSMMC(1)
-#define S3C_PA_HSMMC2		S5PC100_PA_HSMMC(2)
-#define S3C_PA_KEYPAD		S5PC100_PA_KEYPAD
-#define S3C_PA_WDT		S5PC100_PA_WATCHDOG
-#define S3C_PA_TSADC		S5PC100_PA_TSADC
-#define S3C_PA_ONENAND		S5PC100_PA_ONENAND
-#define S3C_PA_ONENAND_BUF	S5PC100_PA_ONENAND_BUF
-#define S3C_SZ_ONENAND_BUF	S5PC100_SZ_ONENAND_BUF
-#define S3C_PA_RTC		S5PC100_PA_RTC
+/* UART */
 
-#define SAMSUNG_PA_ADC		S5PC100_PA_TSADC
-#define SAMSUNG_PA_CFCON	S5PC100_PA_CFCON
-#define SAMSUNG_PA_KEYPAD	S5PC100_PA_KEYPAD
+#define S3C_PA_UART			S5PC100_PA_UART
 
-#define S5P_PA_FIMC0		S5PC100_PA_FIMC0
-#define S5P_PA_FIMC1		S5PC100_PA_FIMC1
-#define S5P_PA_FIMC2		S5PC100_PA_FIMC2
+#define S5P_PA_UART(x)			(S3C_PA_UART + ((x) * S3C_UART_OFFSET))
+#define S5P_PA_UART0			S5P_PA_UART(0)
+#define S5P_PA_UART1			S5P_PA_UART(1)
+#define S5P_PA_UART2			S5P_PA_UART(2)
+#define S5P_PA_UART3			S5P_PA_UART(3)
 
-#endif /* __ASM_ARCH_C100_MAP_H */
+#define S5P_SZ_UART			SZ_256
+
+#endif /* __ASM_ARCH_MAP_H */
diff --git a/arch/arm/mach-s5pv210/include/mach/map.h b/arch/arm/mach-s5pv210/include/mach/map.h
index 3611492..1dd5883 100644
--- a/arch/arm/mach-s5pv210/include/mach/map.h
+++ b/arch/arm/mach-s5pv210/include/mach/map.h
@@ -1,6 +1,6 @@
 /* linux/arch/arm/mach-s5pv210/include/mach/map.h
  *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
  *		http://www.samsung.com/
  *
  * S5PV210 - Memory map definitions
@@ -16,122 +16,120 @@
 #include <plat/map-base.h>
 #include <plat/map-s5p.h>
 
-#define S5PV210_PA_SROM_BANK5	(0xA8000000)
+#define S5PV210_PA_SDRAM		0x20000000
 
-#define S5PC110_PA_ONENAND	(0xB0000000)
-#define S5P_PA_ONENAND		S5PC110_PA_ONENAND
+#define S5PV210_PA_SROM_BANK5		0xA8000000
 
-#define S5PC110_PA_ONENAND_DMA	(0xB0600000)
-#define S5P_PA_ONENAND_DMA	S5PC110_PA_ONENAND_DMA
+#define S5PC110_PA_ONENAND		0xB0000000
+#define S5PC110_PA_ONENAND_DMA		0xB0600000
 
-#define S5PV210_PA_CHIPID	(0xE0000000)
-#define S5P_PA_CHIPID		S5PV210_PA_CHIPID
+#define S5PV210_PA_CHIPID		0xE0000000
 
-#define S5PV210_PA_SYSCON	(0xE0100000)
-#define S5P_PA_SYSCON		S5PV210_PA_SYSCON
+#define S5PV210_PA_SYSCON		0xE0100000
 
-#define S5PV210_PA_GPIO		(0xE0200000)
+#define S5PV210_PA_GPIO			0xE0200000
 
-/* SPI */
-#define S5PV210_PA_SPI0		0xE1300000
-#define S5PV210_PA_SPI1		0xE1400000
+#define S5PV210_PA_SPDIF		0xE1100000
 
-#define S5PV210_PA_KEYPAD	(0xE1600000)
+#define S5PV210_PA_SPI0			0xE1300000
+#define S5PV210_PA_SPI1			0xE1400000
 
-#define S5PV210_PA_IIC0		(0xE1800000)
-#define S5PV210_PA_IIC1		(0xFAB00000)
-#define S5PV210_PA_IIC2		(0xE1A00000)
+#define S5PV210_PA_KEYPAD		0xE1600000
 
-#define S5PV210_PA_TIMER	(0xE2500000)
-#define S5P_PA_TIMER		S5PV210_PA_TIMER
+#define S5PV210_PA_ADC			0xE1700000
 
-#define S5PV210_PA_SYSTIMER	(0xE2600000)
+#define S5PV210_PA_IIC0			0xE1800000
+#define S5PV210_PA_IIC1			0xFAB00000
+#define S5PV210_PA_IIC2			0xE1A00000
 
-#define S5PV210_PA_WATCHDOG	(0xE2700000)
+#define S5PV210_PA_AC97			0xE2200000
 
-#define S5PV210_PA_RTC		(0xE2800000)
-#define S5PV210_PA_UART		(0xE2900000)
+#define S5PV210_PA_PCM0			0xE2300000
+#define S5PV210_PA_PCM1			0xE1200000
+#define S5PV210_PA_PCM2			0xE2B00000
 
-#define S5P_PA_UART0		(S5PV210_PA_UART + 0x0)
-#define S5P_PA_UART1		(S5PV210_PA_UART + 0x400)
-#define S5P_PA_UART2		(S5PV210_PA_UART + 0x800)
-#define S5P_PA_UART3		(S5PV210_PA_UART + 0xC00)
+#define S5PV210_PA_TIMER		0xE2500000
+#define S5PV210_PA_SYSTIMER		0xE2600000
+#define S5PV210_PA_WATCHDOG		0xE2700000
+#define S5PV210_PA_RTC			0xE2800000
 
-#define S5P_SZ_UART		SZ_256
+#define S5PV210_PA_UART			0xE2900000
 
-#define S3C_VA_UARTx(x)		(S3C_VA_UART + ((x) * S3C_UART_OFFSET))
+#define S5PV210_PA_SROMC		0xE8000000
 
-#define S5PV210_PA_SROMC	(0xE8000000)
-#define S5P_PA_SROMC		S5PV210_PA_SROMC
+#define S5PV210_PA_CFCON		0xE8200000
 
-#define S5PV210_PA_CFCON	(0xE8200000)
+#define S5PV210_PA_HSMMC(x)		(0xEB000000 + ((x) * 0x100000))
 
-#define S5PV210_PA_MDMA		0xFA200000
-#define S5PV210_PA_PDMA0	0xE0900000
-#define S5PV210_PA_PDMA1	0xE0A00000
+#define S5PV210_PA_HSOTG		0xEC000000
+#define S5PV210_PA_HSPHY		0xEC100000
 
-#define S5PV210_PA_FB		(0xF8000000)
+#define S5PV210_PA_IIS0			0xEEE30000
+#define S5PV210_PA_IIS1			0xE2100000
+#define S5PV210_PA_IIS2			0xE2A00000
 
-#define S5PV210_PA_FIMC0	(0xFB200000)
-#define S5PV210_PA_FIMC1	(0xFB300000)
-#define S5PV210_PA_FIMC2	(0xFB400000)
+#define S5PV210_PA_DMC0			0xF0000000
+#define S5PV210_PA_DMC1			0xF1400000
 
-#define S5PV210_PA_HSMMC(x)	(0xEB000000 + ((x) * 0x100000))
+#define S5PV210_PA_VIC0			0xF2000000
+#define S5PV210_PA_VIC1			0xF2100000
+#define S5PV210_PA_VIC2			0xF2200000
+#define S5PV210_PA_VIC3			0xF2300000
 
-#define S5PV210_PA_HSOTG	(0xEC000000)
-#define S5PV210_PA_HSPHY	(0xEC100000)
+#define S5PV210_PA_FB			0xF8000000
 
-#define S5PV210_PA_VIC0		(0xF2000000)
-#define S5PV210_PA_VIC1		(0xF2100000)
-#define S5PV210_PA_VIC2		(0xF2200000)
-#define S5PV210_PA_VIC3		(0xF2300000)
+#define S5PV210_PA_MDMA			0xFA200000
+#define S5PV210_PA_PDMA0		0xE0900000
+#define S5PV210_PA_PDMA1		0xE0A00000
 
-#define S5PV210_PA_SDRAM	(0x20000000)
-#define S5P_PA_SDRAM		S5PV210_PA_SDRAM
+#define S5PV210_PA_MIPI_CSIS		0xFA600000
 
-/* S/PDIF */
-#define S5PV210_PA_SPDIF	0xE1100000
+#define S5PV210_PA_FIMC0		0xFB200000
+#define S5PV210_PA_FIMC1		0xFB300000
+#define S5PV210_PA_FIMC2		0xFB400000
 
-/* I2S */
-#define S5PV210_PA_IIS0		0xEEE30000
-#define S5PV210_PA_IIS1		0xE2100000
-#define S5PV210_PA_IIS2		0xE2A00000
+/* Compatibiltiy Defines */
 
-/* PCM */
-#define S5PV210_PA_PCM0		0xE2300000
-#define S5PV210_PA_PCM1		0xE1200000
-#define S5PV210_PA_PCM2		0xE2B00000
+#define S3C_PA_FB			S5PV210_PA_FB
+#define S3C_PA_HSMMC0			S5PV210_PA_HSMMC(0)
+#define S3C_PA_HSMMC1			S5PV210_PA_HSMMC(1)
+#define S3C_PA_HSMMC2			S5PV210_PA_HSMMC(2)
+#define S3C_PA_HSMMC3			S5PV210_PA_HSMMC(3)
+#define S3C_PA_IIC			S5PV210_PA_IIC0
+#define S3C_PA_IIC1			S5PV210_PA_IIC1
+#define S3C_PA_IIC2			S5PV210_PA_IIC2
+#define S3C_PA_RTC			S5PV210_PA_RTC
+#define S3C_PA_USB_HSOTG		S5PV210_PA_HSOTG
+#define S3C_PA_WDT			S5PV210_PA_WATCHDOG
 
-/* AC97 */
-#define S5PV210_PA_AC97		0xE2200000
+#define S5P_PA_CHIPID			S5PV210_PA_CHIPID
+#define S5P_PA_FIMC0			S5PV210_PA_FIMC0
+#define S5P_PA_FIMC1			S5PV210_PA_FIMC1
+#define S5P_PA_FIMC2			S5PV210_PA_FIMC2
+#define S5P_PA_MIPI_CSIS0		S5PV210_PA_MIPI_CSIS
+#define S5P_PA_ONENAND			S5PC110_PA_ONENAND
+#define S5P_PA_ONENAND_DMA		S5PC110_PA_ONENAND_DMA
+#define S5P_PA_SDRAM			S5PV210_PA_SDRAM
+#define S5P_PA_SROMC			S5PV210_PA_SROMC
+#define S5P_PA_SYSCON			S5PV210_PA_SYSCON
+#define S5P_PA_TIMER			S5PV210_PA_TIMER
 
-#define S5PV210_PA_ADC		(0xE1700000)
+#define SAMSUNG_PA_ADC			S5PV210_PA_ADC
+#define SAMSUNG_PA_CFCON		S5PV210_PA_CFCON
+#define SAMSUNG_PA_KEYPAD		S5PV210_PA_KEYPAD
 
-#define S5PV210_PA_DMC0		(0xF0000000)
-#define S5PV210_PA_DMC1		(0xF1400000)
+/* UART */
 
-#define S5PV210_PA_MIPI_CSIS	0xFA600000
+#define S3C_VA_UARTx(x)			(S3C_VA_UART + ((x) * S3C_UART_OFFSET))
 
-/* compatibiltiy defines. */
-#define S3C_PA_UART		S5PV210_PA_UART
-#define S3C_PA_HSMMC0		S5PV210_PA_HSMMC(0)
-#define S3C_PA_HSMMC1		S5PV210_PA_HSMMC(1)
-#define S3C_PA_HSMMC2		S5PV210_PA_HSMMC(2)
-#define S3C_PA_HSMMC3		S5PV210_PA_HSMMC(3)
-#define S3C_PA_IIC		S5PV210_PA_IIC0
-#define S3C_PA_IIC1		S5PV210_PA_IIC1
-#define S3C_PA_IIC2		S5PV210_PA_IIC2
-#define S3C_PA_FB		S5PV210_PA_FB
-#define S3C_PA_RTC		S5PV210_PA_RTC
-#define S3C_PA_WDT		S5PV210_PA_WATCHDOG
-#define S3C_PA_USB_HSOTG	S5PV210_PA_HSOTG
-#define S5P_PA_FIMC0		S5PV210_PA_FIMC0
-#define S5P_PA_FIMC1		S5PV210_PA_FIMC1
-#define S5P_PA_FIMC2		S5PV210_PA_FIMC2
-#define S5P_PA_MIPI_CSIS0	S5PV210_PA_MIPI_CSIS
+#define S3C_PA_UART			S5PV210_PA_UART
 
-#define SAMSUNG_PA_ADC		S5PV210_PA_ADC
-#define SAMSUNG_PA_CFCON	S5PV210_PA_CFCON
-#define SAMSUNG_PA_KEYPAD	S5PV210_PA_KEYPAD
+#define S5P_PA_UART(x)			(S3C_PA_UART + ((x) * S3C_UART_OFFSET))
+#define S5P_PA_UART0			S5P_PA_UART(0)
+#define S5P_PA_UART1			S5P_PA_UART(1)
+#define S5P_PA_UART2			S5P_PA_UART(2)
+#define S5P_PA_UART3			S5P_PA_UART(3)
+
+#define S5P_SZ_UART			SZ_256
 
 #endif /* __ASM_ARCH_MAP_H */
diff --git a/arch/arm/mach-s5pv210/mach-aquila.c b/arch/arm/mach-s5pv210/mach-aquila.c
index 461aa035..557add4 100644
--- a/arch/arm/mach-s5pv210/mach-aquila.c
+++ b/arch/arm/mach-s5pv210/mach-aquila.c
@@ -149,7 +149,7 @@
 
 static struct regulator_init_data aquila_ldo3_data = {
 	.constraints	= {
-		.name		= "VUSB/MIPI_1.1V",
+		.name		= "VUSB+MIPI_1.1V",
 		.min_uV		= 1100000,
 		.max_uV		= 1100000,
 		.apply_uV	= 1,
@@ -197,7 +197,7 @@
 
 static struct regulator_init_data aquila_ldo8_data = {
 	.constraints	= {
-		.name		= "VUSB/VADC_3.3V",
+		.name		= "VUSB+VADC_3.3V",
 		.min_uV		= 3300000,
 		.max_uV		= 3300000,
 		.apply_uV	= 1,
@@ -207,7 +207,7 @@
 
 static struct regulator_init_data aquila_ldo9_data = {
 	.constraints	= {
-		.name		= "VCC/VCAM_2.8V",
+		.name		= "VCC+VCAM_2.8V",
 		.min_uV		= 2800000,
 		.max_uV		= 2800000,
 		.apply_uV	= 1,
@@ -381,9 +381,12 @@
 	.buck1_set1	= S5PV210_GPH0(3),
 	.buck1_set2	= S5PV210_GPH0(4),
 	.buck2_set3	= S5PV210_GPH0(5),
-	.buck1_max_voltage1 = 1200000,
-	.buck1_max_voltage2 = 1200000,
-	.buck2_max_voltage = 1200000,
+	.buck1_voltage1	= 1200000,
+	.buck1_voltage2	= 1200000,
+	.buck1_voltage3	= 1200000,
+	.buck1_voltage4	= 1200000,
+	.buck2_voltage1	= 1200000,
+	.buck2_voltage2	= 1200000,
 };
 #endif
 
diff --git a/arch/arm/mach-s5pv210/mach-goni.c b/arch/arm/mach-s5pv210/mach-goni.c
index e22d511..056f5c7 100644
--- a/arch/arm/mach-s5pv210/mach-goni.c
+++ b/arch/arm/mach-s5pv210/mach-goni.c
@@ -288,7 +288,7 @@
 
 static struct regulator_init_data goni_ldo3_data = {
 	.constraints	= {
-		.name		= "VUSB/MIPI_1.1V",
+		.name		= "VUSB+MIPI_1.1V",
 		.min_uV		= 1100000,
 		.max_uV		= 1100000,
 		.apply_uV	= 1,
@@ -337,7 +337,7 @@
 
 static struct regulator_init_data goni_ldo8_data = {
 	.constraints	= {
-		.name		= "VUSB/VADC_3.3V",
+		.name		= "VUSB+VADC_3.3V",
 		.min_uV		= 3300000,
 		.max_uV		= 3300000,
 		.apply_uV	= 1,
@@ -347,7 +347,7 @@
 
 static struct regulator_init_data goni_ldo9_data = {
 	.constraints	= {
-		.name		= "VCC/VCAM_2.8V",
+		.name		= "VCC+VCAM_2.8V",
 		.min_uV		= 2800000,
 		.max_uV		= 2800000,
 		.apply_uV	= 1,
@@ -521,9 +521,12 @@
 	.buck1_set1	= S5PV210_GPH0(3),
 	.buck1_set2	= S5PV210_GPH0(4),
 	.buck2_set3	= S5PV210_GPH0(5),
-	.buck1_max_voltage1 = 1200000,
-	.buck1_max_voltage2 = 1200000,
-	.buck2_max_voltage = 1200000,
+	.buck1_voltage1	= 1200000,
+	.buck1_voltage2	= 1200000,
+	.buck1_voltage3	= 1200000,
+	.buck1_voltage4	= 1200000,
+	.buck2_voltage1	= 1200000,
+	.buck2_voltage2	= 1200000,
 };
 #endif
 
diff --git a/arch/arm/mach-s5pv310/Kconfig b/arch/arm/mach-s5pv310/Kconfig
index 09c4c21..b2a9acc 100644
--- a/arch/arm/mach-s5pv310/Kconfig
+++ b/arch/arm/mach-s5pv310/Kconfig
@@ -122,6 +122,7 @@
 	select S3C_DEV_HSMMC2
 	select S3C_DEV_HSMMC3
 	select S5PV310_DEV_PD
+	select S5PV310_DEV_SYSMMU
 	select S5PV310_SETUP_I2C1
 	select S5PV310_SETUP_SDHCI
 	help
diff --git a/arch/arm/mach-s5pv310/include/mach/map.h b/arch/arm/mach-s5pv310/include/mach/map.h
index 74d4006..901657f 100644
--- a/arch/arm/mach-s5pv310/include/mach/map.h
+++ b/arch/arm/mach-s5pv310/include/mach/map.h
@@ -1,6 +1,6 @@
 /* linux/arch/arm/mach-s5pv310/include/mach/map.h
  *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
  *		http://www.samsung.com/
  *
  * S5PV310 - Memory map definitions
@@ -23,90 +23,43 @@
 
 #include <plat/map-s5p.h>
 
-#define S5PV310_PA_SYSRAM		(0x02025000)
+#define S5PV310_PA_SYSRAM		0x02025000
+
+#define S5PV310_PA_I2S0			0x03830000
+#define S5PV310_PA_I2S1			0xE3100000
+#define S5PV310_PA_I2S2			0xE2A00000
+
+#define S5PV310_PA_PCM0			0x03840000
+#define S5PV310_PA_PCM1			0x13980000
+#define S5PV310_PA_PCM2			0x13990000
 
 #define S5PV310_PA_SROM_BANK(x)		(0x04000000 + ((x) * 0x01000000))
 
-#define S5PC210_PA_ONENAND		(0x0C000000)
-#define S5P_PA_ONENAND			S5PC210_PA_ONENAND
+#define S5PC210_PA_ONENAND		0x0C000000
+#define S5PC210_PA_ONENAND_DMA		0x0C600000
 
-#define S5PC210_PA_ONENAND_DMA		(0x0C600000)
-#define S5P_PA_ONENAND_DMA		S5PC210_PA_ONENAND_DMA
+#define S5PV310_PA_CHIPID		0x10000000
 
-#define S5PV310_PA_CHIPID		(0x10000000)
-#define S5P_PA_CHIPID			S5PV310_PA_CHIPID
+#define S5PV310_PA_SYSCON		0x10010000
+#define S5PV310_PA_PMU			0x10020000
+#define S5PV310_PA_CMU			0x10030000
 
-#define S5PV310_PA_SYSCON		(0x10010000)
-#define S5P_PA_SYSCON			S5PV310_PA_SYSCON
+#define S5PV310_PA_WATCHDOG		0x10060000
+#define S5PV310_PA_RTC			0x10070000
 
-#define S5PV310_PA_PMU			(0x10020000)
+#define S5PV310_PA_DMC0			0x10400000
 
-#define S5PV310_PA_CMU			(0x10030000)
+#define S5PV310_PA_COMBINER		0x10448000
 
-#define S5PV310_PA_WATCHDOG		(0x10060000)
-#define S5PV310_PA_RTC			(0x10070000)
+#define S5PV310_PA_COREPERI		0x10500000
+#define S5PV310_PA_GIC_CPU		0x10500100
+#define S5PV310_PA_TWD			0x10500600
+#define S5PV310_PA_GIC_DIST		0x10501000
+#define S5PV310_PA_L2CC			0x10502000
 
-#define S5PV310_PA_DMC0			(0x10400000)
-
-#define S5PV310_PA_COMBINER		(0x10448000)
-
-#define S5PV310_PA_COREPERI		(0x10500000)
-#define S5PV310_PA_GIC_CPU		(0x10500100)
-#define S5PV310_PA_TWD			(0x10500600)
-#define S5PV310_PA_GIC_DIST		(0x10501000)
-#define S5PV310_PA_L2CC			(0x10502000)
-
-/* DMA */
-#define S5PV310_PA_MDMA		0x10810000
-#define S5PV310_PA_PDMA0	0x12680000
-#define S5PV310_PA_PDMA1	0x12690000
-
-#define S5PV310_PA_GPIO1		(0x11400000)
-#define S5PV310_PA_GPIO2		(0x11000000)
-#define S5PV310_PA_GPIO3		(0x03860000)
-
-#define S5PV310_PA_MIPI_CSIS0		0x11880000
-#define S5PV310_PA_MIPI_CSIS1		0x11890000
-
-#define S5PV310_PA_HSMMC(x)		(0x12510000 + ((x) * 0x10000))
-
-#define S5PV310_PA_SROMC		(0x12570000)
-#define S5P_PA_SROMC			S5PV310_PA_SROMC
-
-/* S/PDIF */
-#define S5PV310_PA_SPDIF	0xE1100000
-
-/* I2S */
-#define S5PV310_PA_I2S0		0x03830000
-#define S5PV310_PA_I2S1		0xE3100000
-#define S5PV310_PA_I2S2		0xE2A00000
-
-/* PCM */
-#define S5PV310_PA_PCM0		0x03840000
-#define S5PV310_PA_PCM1		0x13980000
-#define S5PV310_PA_PCM2		0x13990000
-
-/* AC97 */
-#define S5PV310_PA_AC97		0x139A0000
-
-#define S5PV310_PA_UART			(0x13800000)
-
-#define S5P_PA_UART(x)			(S5PV310_PA_UART + ((x) * S3C_UART_OFFSET))
-#define S5P_PA_UART0			S5P_PA_UART(0)
-#define S5P_PA_UART1			S5P_PA_UART(1)
-#define S5P_PA_UART2			S5P_PA_UART(2)
-#define S5P_PA_UART3			S5P_PA_UART(3)
-#define S5P_PA_UART4			S5P_PA_UART(4)
-
-#define S5P_SZ_UART			SZ_256
-
-#define S5PV310_PA_IIC(x)		(0x13860000 + ((x) * 0x10000))
-
-#define S5PV310_PA_TIMER		(0x139D0000)
-#define S5P_PA_TIMER			S5PV310_PA_TIMER
-
-#define S5PV310_PA_SDRAM		(0x40000000)
-#define S5P_PA_SDRAM			S5PV310_PA_SDRAM
+#define S5PV310_PA_MDMA			0x10810000
+#define S5PV310_PA_PDMA0		0x12680000
+#define S5PV310_PA_PDMA1		0x12690000
 
 #define S5PV310_PA_SYSMMU_MDMA		0x10A40000
 #define S5PV310_PA_SYSMMU_SSS		0x10A50000
@@ -124,11 +77,32 @@
 #define S5PV310_PA_SYSMMU_TV		0x12E20000
 #define S5PV310_PA_SYSMMU_MFC_L		0x13620000
 #define S5PV310_PA_SYSMMU_MFC_R		0x13630000
-#define S5PV310_SYSMMU_TOTAL_IPNUM	16
-#define S5P_SYSMMU_TOTAL_IPNUM		S5PV310_SYSMMU_TOTAL_IPNUM
 
-/* compatibiltiy defines. */
-#define S3C_PA_UART			S5PV310_PA_UART
+#define S5PV310_PA_GPIO1		0x11400000
+#define S5PV310_PA_GPIO2		0x11000000
+#define S5PV310_PA_GPIO3		0x03860000
+
+#define S5PV310_PA_MIPI_CSIS0		0x11880000
+#define S5PV310_PA_MIPI_CSIS1		0x11890000
+
+#define S5PV310_PA_HSMMC(x)		(0x12510000 + ((x) * 0x10000))
+
+#define S5PV310_PA_SROMC		0x12570000
+
+#define S5PV310_PA_UART			0x13800000
+
+#define S5PV310_PA_IIC(x)		(0x13860000 + ((x) * 0x10000))
+
+#define S5PV310_PA_AC97			0x139A0000
+
+#define S5PV310_PA_TIMER		0x139D0000
+
+#define S5PV310_PA_SDRAM		0x40000000
+
+#define S5PV310_PA_SPDIF		0xE1100000
+
+/* Compatibiltiy Defines */
+
 #define S3C_PA_HSMMC0			S5PV310_PA_HSMMC(0)
 #define S3C_PA_HSMMC1			S5PV310_PA_HSMMC(1)
 #define S3C_PA_HSMMC2			S5PV310_PA_HSMMC(2)
@@ -143,7 +117,28 @@
 #define S3C_PA_IIC7			S5PV310_PA_IIC(7)
 #define S3C_PA_RTC			S5PV310_PA_RTC
 #define S3C_PA_WDT			S5PV310_PA_WATCHDOG
+
+#define S5P_PA_CHIPID			S5PV310_PA_CHIPID
 #define S5P_PA_MIPI_CSIS0		S5PV310_PA_MIPI_CSIS0
 #define S5P_PA_MIPI_CSIS1		S5PV310_PA_MIPI_CSIS1
+#define S5P_PA_ONENAND			S5PC210_PA_ONENAND
+#define S5P_PA_ONENAND_DMA		S5PC210_PA_ONENAND_DMA
+#define S5P_PA_SDRAM			S5PV310_PA_SDRAM
+#define S5P_PA_SROMC			S5PV310_PA_SROMC
+#define S5P_PA_SYSCON			S5PV310_PA_SYSCON
+#define S5P_PA_TIMER			S5PV310_PA_TIMER
+
+/* UART */
+
+#define S3C_PA_UART			S5PV310_PA_UART
+
+#define S5P_PA_UART(x)			(S3C_PA_UART + ((x) * S3C_UART_OFFSET))
+#define S5P_PA_UART0			S5P_PA_UART(0)
+#define S5P_PA_UART1			S5P_PA_UART(1)
+#define S5P_PA_UART2			S5P_PA_UART(2)
+#define S5P_PA_UART3			S5P_PA_UART(3)
+#define S5P_PA_UART4			S5P_PA_UART(4)
+
+#define S5P_SZ_UART			SZ_256
 
 #endif /* __ASM_ARCH_MAP_H */
diff --git a/arch/arm/mach-s5pv310/include/mach/sysmmu.h b/arch/arm/mach-s5pv310/include/mach/sysmmu.h
index 662fe85f..598fc5c 100644
--- a/arch/arm/mach-s5pv310/include/mach/sysmmu.h
+++ b/arch/arm/mach-s5pv310/include/mach/sysmmu.h
@@ -13,6 +13,9 @@
 #ifndef __ASM_ARM_ARCH_SYSMMU_H
 #define __ASM_ARM_ARCH_SYSMMU_H __FILE__
 
+#define S5PV310_SYSMMU_TOTAL_IPNUM	16
+#define S5P_SYSMMU_TOTAL_IPNUM		S5PV310_SYSMMU_TOTAL_IPNUM
+
 enum s5pv310_sysmmu_ips {
 	SYSMMU_MDMA,
 	SYSMMU_SSS,
@@ -32,7 +35,7 @@
 	SYSMMU_MFC_R,
 };
 
-static char *sysmmu_ips_name[S5P_SYSMMU_TOTAL_IPNUM] = {
+static char *sysmmu_ips_name[S5PV310_SYSMMU_TOTAL_IPNUM] = {
 	"SYSMMU_MDMA"	,
 	"SYSMMU_SSS"	,
 	"SYSMMU_FIMC0"	,
diff --git a/arch/arm/mach-sa1100/collie.c b/arch/arm/mach-sa1100/collie.c
index d43c5ef..bd3e1bf 100644
--- a/arch/arm/mach-sa1100/collie.c
+++ b/arch/arm/mach-sa1100/collie.c
@@ -241,6 +241,9 @@
 struct platform_device collie_locomo_device = {
 	.name		= "locomo",
 	.id		= 0,
+	.dev		= {
+		.platform_data	= &locomo_info,
+	},
 	.num_resources	= ARRAY_SIZE(locomo_resources),
 	.resource	= locomo_resources,
 };
diff --git a/arch/arm/mach-spear3xx/include/mach/spear320.h b/arch/arm/mach-spear3xx/include/mach/spear320.h
index cacf17a..53677e4 100644
--- a/arch/arm/mach-spear3xx/include/mach/spear320.h
+++ b/arch/arm/mach-spear3xx/include/mach/spear320.h
@@ -62,7 +62,7 @@
 #define SPEAR320_SMII1_BASE		0xAB000000
 #define SPEAR320_SMII1_SIZE		0x01000000
 
-#define SPEAR320_SOC_CONFIG_BASE	0xB4000000
+#define SPEAR320_SOC_CONFIG_BASE	0xB3000000
 #define SPEAR320_SOC_CONFIG_SIZE	0x00000070
 /* Interrupt registers offsets and masks */
 #define INT_STS_MASK_REG		0x04
diff --git a/arch/arm/mach-tegra/include/mach/kbc.h b/arch/arm/mach-tegra/include/mach/kbc.h
index 66ad276..04c7798 100644
--- a/arch/arm/mach-tegra/include/mach/kbc.h
+++ b/arch/arm/mach-tegra/include/mach/kbc.h
@@ -57,5 +57,6 @@
 	const struct matrix_keymap_data *keymap_data;
 
 	bool wakeup;
+	bool use_fn_map;
 };
 #endif
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index 9d30c6f..e4509ba 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -405,7 +405,7 @@
 config CPU_32v6K
 	bool "Support ARM V6K processor extensions" if !SMP
 	depends on CPU_V6 || CPU_V7
-	default y if SMP && !(ARCH_MX3 || ARCH_OMAP2)
+	default y if SMP
 	help
 	  Say Y here if your ARMv6 processor supports the 'K' extension.
 	  This enables the kernel to use some instructions not present
@@ -416,7 +416,7 @@
 # ARMv7
 config CPU_V7
 	bool "Support ARM V7 processor" if ARCH_INTEGRATOR || MACH_REALVIEW_EB || MACH_REALVIEW_PBX
-	select CPU_32v6K if !ARCH_OMAP2
+	select CPU_32v6K
 	select CPU_32v7
 	select CPU_ABRT_EV7
 	select CPU_PABRT_V7
@@ -644,7 +644,7 @@
 
 config SWP_EMULATE
 	bool "Emulate SWP/SWPB instructions"
-	depends on CPU_V7 && !CPU_V6
+	depends on !CPU_USE_DOMAINS && CPU_V7 && !CPU_V6
 	select HAVE_PROC_CPU if PROC_FS
 	default y if SMP
 	help
diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c
index 170c9bb..f2ce38e 100644
--- a/arch/arm/mm/cache-l2x0.c
+++ b/arch/arm/mm/cache-l2x0.c
@@ -49,7 +49,13 @@
 static inline void cache_sync(void)
 {
 	void __iomem *base = l2x0_base;
+
+#ifdef CONFIG_ARM_ERRATA_753970
+	/* write to an unmmapped register */
+	writel_relaxed(0, base + L2X0_DUMMY_REG);
+#else
 	writel_relaxed(0, base + L2X0_CACHE_SYNC);
+#endif
 	cache_wait(base + L2X0_CACHE_SYNC, 1);
 }
 
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index 0c1172b..8e33562 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -264,6 +264,12 @@
 	orreq	r10, r10, #1 << 6		@ set bit #6
 	mcreq	p15, 0, r10, c15, c0, 1		@ write diagnostic register
 #endif
+#ifdef CONFIG_ARM_ERRATA_751472
+	cmp	r6, #0x30			@ present prior to r3p0
+	mrclt	p15, 0, r10, c15, c0, 1		@ read diagnostic register
+	orrlt	r10, r10, #1 << 11		@ set bit #11
+	mcrlt	p15, 0, r10, c15, c0, 1		@ write diagnostic register
+#endif
 
 3:	mov	r10, #0
 #ifdef HARVARD_CACHE
diff --git a/arch/arm/oprofile/common.c b/arch/arm/oprofile/common.c
index 8aa9744..c074e66 100644
--- a/arch/arm/oprofile/common.c
+++ b/arch/arm/oprofile/common.c
@@ -10,8 +10,6 @@
  */
 
 #include <linux/cpumask.h>
-#include <linux/err.h>
-#include <linux/errno.h>
 #include <linux/init.h>
 #include <linux/mutex.h>
 #include <linux/oprofile.h>
@@ -46,6 +44,7 @@
 		return NULL;
 	}
 }
+#endif
 
 static int report_trace(struct stackframe *frame, void *d)
 {
@@ -85,7 +84,7 @@
 
 	/* frame pointers should strictly progress back up the stack
 	 * (towards higher addresses) */
-	if (tail >= buftail[0].fp)
+	if (tail + 1 >= buftail[0].fp)
 		return NULL;
 
 	return buftail[0].fp-1;
@@ -111,6 +110,7 @@
 
 int __init oprofile_arch_init(struct oprofile_operations *ops)
 {
+	/* provide backtrace support also in timer mode: */
 	ops->backtrace		= arm_backtrace;
 
 	return oprofile_perf_init(ops);
@@ -120,11 +120,3 @@
 {
 	oprofile_perf_exit();
 }
-#else
-int __init oprofile_arch_init(struct oprofile_operations *ops)
-{
-	pr_info("oprofile: hardware counters not available\n");
-	return -ENODEV;
-}
-void __exit oprofile_arch_exit(void) {}
-#endif /* CONFIG_HW_PERF_EVENTS */
diff --git a/arch/arm/plat-mxc/include/mach/uncompress.h b/arch/arm/plat-mxc/include/mach/uncompress.h
index 3a70ebf..ff469c4 100644
--- a/arch/arm/plat-mxc/include/mach/uncompress.h
+++ b/arch/arm/plat-mxc/include/mach/uncompress.h
@@ -95,6 +95,7 @@
 	case MACH_TYPE_MX35_3DS:
 	case MACH_TYPE_PCM043:
 	case MACH_TYPE_LILLY1131:
+	case MACH_TYPE_VPR200:
 		uart_base = MX3X_UART1_BASE_ADDR;
 		break;
 	case MACH_TYPE_MAGX_ZN5:
@@ -102,6 +103,7 @@
 		break;
 	case MACH_TYPE_MX51_BABBAGE:
 	case MACH_TYPE_EUKREA_CPUIMX51SD:
+	case MACH_TYPE_MX51_3DS:
 		uart_base = MX51_UART1_BASE_ADDR;
 		break;
 	case MACH_TYPE_MX50_RDP:
diff --git a/arch/arm/plat-omap/mailbox.c b/arch/arm/plat-omap/mailbox.c
index 459b319..49d3208 100644
--- a/arch/arm/plat-omap/mailbox.c
+++ b/arch/arm/plat-omap/mailbox.c
@@ -322,15 +322,18 @@
 
 struct omap_mbox *omap_mbox_get(const char *name, struct notifier_block *nb)
 {
-	struct omap_mbox *mbox;
-	int ret;
+	struct omap_mbox *_mbox, *mbox = NULL;
+	int i, ret;
 
 	if (!mboxes)
 		return ERR_PTR(-EINVAL);
 
-	for (mbox = *mboxes; mbox; mbox++)
-		if (!strcmp(mbox->name, name))
+	for (i = 0; (_mbox = mboxes[i]); i++) {
+		if (!strcmp(_mbox->name, name)) {
+			mbox = _mbox;
 			break;
+		}
+	}
 
 	if (!mbox)
 		return ERR_PTR(-ENOENT);
diff --git a/arch/arm/plat-pxa/mfp.c b/arch/arm/plat-pxa/mfp.c
index b77e018..a9aa5ad 100644
--- a/arch/arm/plat-pxa/mfp.c
+++ b/arch/arm/plat-pxa/mfp.c
@@ -139,10 +139,11 @@
 #define mfp_configured(p)	((p)->config != -1)
 
 /*
- * perform a read-back of any MFPR register to make sure the
+ * perform a read-back of any valid MFPR register to make sure the
  * previous writings are finished
  */
-#define mfpr_sync()	(void)__raw_readl(mfpr_mmio_base + 0)
+static unsigned long mfpr_off_readback;
+#define mfpr_sync()	(void)__raw_readl(mfpr_mmio_base + mfpr_off_readback)
 
 static inline void __mfp_config_run(struct mfp_pin *p)
 {
@@ -248,6 +249,9 @@
 
 	spin_lock_irqsave(&mfp_spin_lock, flags);
 
+	/* mfp offset for readback */
+	mfpr_off_readback = map[0].offset;
+
 	for (p = map; p->start != MFP_PIN_INVALID; p++) {
 		offset = p->offset;
 		i = p->start;
diff --git a/arch/arm/plat-s5p/Kconfig b/arch/arm/plat-s5p/Kconfig
index deb3995..557f8c5 100644
--- a/arch/arm/plat-s5p/Kconfig
+++ b/arch/arm/plat-s5p/Kconfig
@@ -37,6 +37,14 @@
 	help
 	  Common code for the GPIO interrupts (other than external interrupts.)
 
+comment "System MMU"
+
+config S5P_SYSTEM_MMU
+	bool "S5P SYSTEM MMU"
+	depends on ARCH_S5PV310
+	help
+	  Say Y here if you want to enable System MMU
+
 config S5P_DEV_FIMC0
 	bool
 	help
@@ -66,19 +74,3 @@
 	bool
 	help
 	  Compile in platform device definitions for MIPI-CSIS channel 1
-
-menuconfig S5P_SYSMMU
-	bool "SYSMMU support"
-	depends on ARCH_S5PV310
-	help
-	  This is a System MMU driver for Samsung ARM based Soc.
-
-if S5P_SYSMMU
-
-config S5P_SYSMMU_DEBUG
-	bool "Enables debug messages"
-	depends on S5P_SYSMMU
-	help
-	  This enables SYSMMU driver debug massages.
-
-endif
diff --git a/arch/arm/plat-s5p/Makefile b/arch/arm/plat-s5p/Makefile
index 92efe1a..4bd5cf9 100644
--- a/arch/arm/plat-s5p/Makefile
+++ b/arch/arm/plat-s5p/Makefile
@@ -19,6 +19,7 @@
 obj-y				+= irq.o
 obj-$(CONFIG_S5P_EXT_INT)	+= irq-eint.o
 obj-$(CONFIG_S5P_GPIO_INT)	+= irq-gpioint.o
+obj-$(CONFIG_S5P_SYSTEM_MMU)	+= sysmmu.o
 obj-$(CONFIG_PM)		+= pm.o
 obj-$(CONFIG_PM)		+= irq-pm.o
 
@@ -30,4 +31,3 @@
 obj-$(CONFIG_S5P_DEV_ONENAND)	+= dev-onenand.o
 obj-$(CONFIG_S5P_DEV_CSIS0)	+= dev-csis0.o
 obj-$(CONFIG_S5P_DEV_CSIS1)	+= dev-csis1.o
-obj-$(CONFIG_S5P_SYSMMU)	+= sysmmu.o
diff --git a/arch/arm/plat-s5p/dev-uart.c b/arch/arm/plat-s5p/dev-uart.c
index 6a73428..afaf87f 100644
--- a/arch/arm/plat-s5p/dev-uart.c
+++ b/arch/arm/plat-s5p/dev-uart.c
@@ -28,7 +28,7 @@
 static struct resource s5p_uart0_resource[] = {
 	[0] = {
 		.start	= S5P_PA_UART0,
-		.end	= S5P_PA_UART0 + S5P_SZ_UART,
+		.end	= S5P_PA_UART0 + S5P_SZ_UART - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
@@ -51,7 +51,7 @@
 static struct resource s5p_uart1_resource[] = {
 	[0] = {
 		.start	= S5P_PA_UART1,
-		.end	= S5P_PA_UART1 + S5P_SZ_UART,
+		.end	= S5P_PA_UART1 + S5P_SZ_UART - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
@@ -74,7 +74,7 @@
 static struct resource s5p_uart2_resource[] = {
 	[0] = {
 		.start	= S5P_PA_UART2,
-		.end	= S5P_PA_UART2 + S5P_SZ_UART,
+		.end	= S5P_PA_UART2 + S5P_SZ_UART - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
@@ -98,7 +98,7 @@
 #if CONFIG_SERIAL_SAMSUNG_UARTS > 3
 	[0] = {
 		.start	= S5P_PA_UART3,
-		.end	= S5P_PA_UART3 + S5P_SZ_UART,
+		.end	= S5P_PA_UART3 + S5P_SZ_UART - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
@@ -123,7 +123,7 @@
 #if CONFIG_SERIAL_SAMSUNG_UARTS > 4
 	[0] = {
 		.start	= S5P_PA_UART4,
-		.end	= S5P_PA_UART4 + S5P_SZ_UART,
+		.end	= S5P_PA_UART4 + S5P_SZ_UART - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
@@ -148,7 +148,7 @@
 #if CONFIG_SERIAL_SAMSUNG_UARTS > 5
 	[0] = {
 		.start	= S5P_PA_UART5,
-		.end	= S5P_PA_UART5 + S5P_SZ_UART,
+		.end	= S5P_PA_UART5 + S5P_SZ_UART - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
diff --git a/arch/arm/plat-s5p/include/plat/sysmmu.h b/arch/arm/plat-s5p/include/plat/sysmmu.h
deleted file mode 100644
index db298fc..0000000
--- a/arch/arm/plat-s5p/include/plat/sysmmu.h
+++ /dev/null
@@ -1,23 +0,0 @@
-/* linux/arch/arm/plat-s5p/include/plat/sysmmu.h
- *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
- *
- * Samsung sysmmu driver
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#ifndef __ASM_PLAT_S5P_SYSMMU_H
-#define __ASM_PLAT_S5P_SYSMMU_H __FILE__
-
-/* debug macro */
-#ifdef CONFIG_S5P_SYSMMU_DEBUG
-#define sysmmu_debug(fmt, arg...)	printk(KERN_INFO "[%s] " fmt, __func__, ## arg)
-#else
-#define sysmmu_debug(fmt, arg...)	do { } while (0)
-#endif
-
-#endif /* __ASM_PLAT_S5P_SYSMMU_H */
diff --git a/arch/arm/plat-s5p/sysmmu.c b/arch/arm/plat-s5p/sysmmu.c
index d804914..ffe8a48 100644
--- a/arch/arm/plat-s5p/sysmmu.c
+++ b/arch/arm/plat-s5p/sysmmu.c
@@ -16,8 +16,6 @@
 #include <mach/regs-sysmmu.h>
 #include <mach/sysmmu.h>
 
-#include <plat/sysmmu.h>
-
 struct sysmmu_controller s5p_sysmmu_cntlrs[S5P_SYSMMU_TOTAL_IPNUM];
 
 void s5p_sysmmu_register(struct sysmmu_controller *sysmmuconp)
@@ -123,7 +121,7 @@
 		: "=r" (pg) : : "cc");		\
 		pg &= ~0x3fff;
 
-	sysmmu_debug("CP15 TTBR0 : 0x%x\n", pg);
+	printk(KERN_INFO "%s: CP15 TTBR0 : 0x%x\n", __func__, pg);
 
 	/* Set sysmmu page table base address */
 	__raw_writel(pg, sysmmuconp->regs + S5P_PT_BASE_ADDR);
diff --git a/arch/arm/plat-samsung/dev-ts.c b/arch/arm/plat-samsung/dev-ts.c
index 236ef84..3e4bd81 100644
--- a/arch/arm/plat-samsung/dev-ts.c
+++ b/arch/arm/plat-samsung/dev-ts.c
@@ -58,4 +58,3 @@
 
 	s3c_device_ts.dev.platform_data = npd;
 }
-EXPORT_SYMBOL(s3c24xx_ts_set_platdata);
diff --git a/arch/arm/plat-samsung/include/plat/pm.h b/arch/arm/plat-samsung/include/plat/pm.h
index d9025e3..30518cc 100644
--- a/arch/arm/plat-samsung/include/plat/pm.h
+++ b/arch/arm/plat-samsung/include/plat/pm.h
@@ -17,6 +17,8 @@
 
 #include <linux/irq.h>
 
+struct sys_device;
+
 #ifdef CONFIG_PM
 
 extern __init int s3c_pm_init(void);
diff --git a/arch/arm/plat-spear/include/plat/uncompress.h b/arch/arm/plat-spear/include/plat/uncompress.h
index 99ba678..6dd455b 100644
--- a/arch/arm/plat-spear/include/plat/uncompress.h
+++ b/arch/arm/plat-spear/include/plat/uncompress.h
@@ -24,10 +24,10 @@
 {
 	void __iomem *base = (void __iomem *)SPEAR_DBG_UART_BASE;
 
-	while (readl(base + UART01x_FR) & UART01x_FR_TXFF)
+	while (readl_relaxed(base + UART01x_FR) & UART01x_FR_TXFF)
 		barrier();
 
-	writel(c, base + UART01x_DR);
+	writel_relaxed(c, base + UART01x_DR);
 }
 
 static inline void flush(void)
diff --git a/arch/arm/plat-spear/include/plat/vmalloc.h b/arch/arm/plat-spear/include/plat/vmalloc.h
index 09e9372..8c8b24d 100644
--- a/arch/arm/plat-spear/include/plat/vmalloc.h
+++ b/arch/arm/plat-spear/include/plat/vmalloc.h
@@ -14,6 +14,6 @@
 #ifndef __PLAT_VMALLOC_H
 #define __PLAT_VMALLOC_H
 
-#define VMALLOC_END		0xF0000000
+#define VMALLOC_END		0xF0000000UL
 
 #endif /* __PLAT_VMALLOC_H */
diff --git a/arch/arm/tools/mach-types b/arch/arm/tools/mach-types
index 2fea897..9d6feaa 100644
--- a/arch/arm/tools/mach-types
+++ b/arch/arm/tools/mach-types
@@ -12,7 +12,7 @@
 #
 #   http://www.arm.linux.org.uk/developer/machines/?action=new
 #
-# Last update: Sun Dec 12 23:24:27 2010
+# Last update: Mon Feb 7 08:59:27 2011
 #
 # machine_is_xxx	CONFIG_xxxx		MACH_TYPE_xxx		number
 #
@@ -2240,7 +2240,7 @@
 vs_v210			MACH_VS_V210		VS_V210			2252
 vs_v212			MACH_VS_V212		VS_V212			2253
 hmt			MACH_HMT		HMT			2254
-suen3			MACH_SUEN3		SUEN3			2255
+km_kirkwood		MACH_KM_KIRKWOOD	KM_KIRKWOOD		2255
 vesper			MACH_VESPER		VESPER			2256
 str9			MACH_STR9		STR9			2257
 omap3_wl_ff		MACH_OMAP3_WL_FF	OMAP3_WL_FF		2258
@@ -2987,7 +2987,7 @@
 ea20			MACH_EA20		EA20			3002
 awm2			MACH_AWM2		AWM2			3003
 ti8148evm		MACH_TI8148EVM		TI8148EVM		3004
-tegra_seaboard		MACH_TEGRA_SEABOARD	TEGRA_SEABOARD		3005
+seaboard		MACH_SEABOARD		SEABOARD		3005
 linkstation_chlv2	MACH_LINKSTATION_CHLV2	LINKSTATION_CHLV2	3006
 tera_pro2_rack		MACH_TERA_PRO2_RACK	TERA_PRO2_RACK		3007
 rubys			MACH_RUBYS		RUBYS			3008
@@ -3190,7 +3190,7 @@
 ics_if_voip		MACH_ICS_IF_VOIP	ICS_IF_VOIP		3206
 wlf_cragg_6410		MACH_WLF_CRAGG_6410	WLF_CRAGG_6410		3207
 punica			MACH_PUNICA		PUNICA			3208
-sbc_nt250		MACH_SBC_NT250		SBC_NT250		3209
+trimslice		MACH_TRIMSLICE		TRIMSLICE		3209
 mx27_wmultra		MACH_MX27_WMULTRA	MX27_WMULTRA		3210
 mackerel		MACH_MACKEREL		MACKEREL		3211
 fa9x27			MACH_FA9X27		FA9X27			3213
@@ -3219,3 +3219,100 @@
 pcm048			MACH_PCM048		PCM048			3236
 dds			MACH_DDS		DDS			3237
 chalten_xa1		MACH_CHALTEN_XA1	CHALTEN_XA1		3238
+ts48xx			MACH_TS48XX		TS48XX			3239
+tonga2_tfttimer		MACH_TONGA2_TFTTIMER	TONGA2_TFTTIMER		3240
+whistler		MACH_WHISTLER		WHISTLER		3241
+asl_phoenix		MACH_ASL_PHOENIX	ASL_PHOENIX		3242
+at91sam9263otlite	MACH_AT91SAM9263OTLITE	AT91SAM9263OTLITE	3243
+ddplug			MACH_DDPLUG		DDPLUG			3244
+d2plug			MACH_D2PLUG		D2PLUG			3245
+kzm9d			MACH_KZM9D		KZM9D			3246
+verdi_lte		MACH_VERDI_LTE		VERDI_LTE		3247
+nanozoom		MACH_NANOZOOM		NANOZOOM		3248
+dm3730_som_lv		MACH_DM3730_SOM_LV	DM3730_SOM_LV		3249
+dm3730_torpedo		MACH_DM3730_TORPEDO	DM3730_TORPEDO		3250
+anchovy			MACH_ANCHOVY		ANCHOVY			3251
+re2rev20		MACH_RE2REV20		RE2REV20		3253
+re2rev21		MACH_RE2REV21		RE2REV21		3254
+cns21xx			MACH_CNS21XX		CNS21XX			3255
+rider			MACH_RIDER		RIDER			3257
+nsk330			MACH_NSK330		NSK330			3258
+cns2133evb		MACH_CNS2133EVB		CNS2133EVB		3259
+z3_816x_mod		MACH_Z3_816X_MOD	Z3_816X_MOD		3260
+z3_814x_mod		MACH_Z3_814X_MOD	Z3_814X_MOD		3261
+beect			MACH_BEECT		BEECT			3262
+dma_thunderbug		MACH_DMA_THUNDERBUG	DMA_THUNDERBUG		3263
+omn_at91sam9g20		MACH_OMN_AT91SAM9G20	OMN_AT91SAM9G20		3264
+mx25_e2s_uc		MACH_MX25_E2S_UC	MX25_E2S_UC		3265
+mione			MACH_MIONE		MIONE			3266
+top9000_tcu		MACH_TOP9000_TCU	TOP9000_TCU		3267
+top9000_bsl		MACH_TOP9000_BSL	TOP9000_BSL		3268
+kingdom			MACH_KINGDOM		KINGDOM			3269
+armadillo460		MACH_ARMADILLO460	ARMADILLO460		3270
+lq2			MACH_LQ2		LQ2			3271
+sweda_tms2		MACH_SWEDA_TMS2		SWEDA_TMS2		3272
+mx53_loco		MACH_MX53_LOCO		MX53_LOCO		3273
+acer_a8			MACH_ACER_A8		ACER_A8			3275
+acer_gauguin		MACH_ACER_GAUGUIN	ACER_GAUGUIN		3276
+guppy			MACH_GUPPY		GUPPY			3277
+mx61_ard		MACH_MX61_ARD		MX61_ARD		3278
+tx53			MACH_TX53		TX53			3279
+omapl138_case_a3	MACH_OMAPL138_CASE_A3	OMAPL138_CASE_A3	3280
+uemd			MACH_UEMD		UEMD			3281
+ccwmx51mut		MACH_CCWMX51MUT		CCWMX51MUT		3282
+rockhopper		MACH_ROCKHOPPER		ROCKHOPPER		3283
+nookcolor		MACH_NOOKCOLOR		NOOKCOLOR		3284
+hkdkc100		MACH_HKDKC100		HKDKC100		3285
+ts42xx			MACH_TS42XX		TS42XX			3286
+aebl			MACH_AEBL		AEBL			3287
+wario			MACH_WARIO		WARIO			3288
+gfs_spm			MACH_GFS_SPM		GFS_SPM			3289
+cm_t3730		MACH_CM_T3730		CM_T3730		3290
+isc3			MACH_ISC3		ISC3			3291
+rascal			MACH_RASCAL		RASCAL			3292
+hrefv60			MACH_HREFV60		HREFV60			3293
+tpt_2_0			MACH_TPT_2_0		TPT_2_0			3294
+pyramid_td		MACH_PYRAMID_TD		PYRAMID_TD		3295
+splendor		MACH_SPLENDOR		SPLENDOR		3296
+guf_planet		MACH_GUF_PLANET		GUF_PLANET		3297
+msm8x60_qt		MACH_MSM8X60_QT		MSM8X60_QT		3298
+htc_hd_mini		MACH_HTC_HD_MINI	HTC_HD_MINI		3299
+athene			MACH_ATHENE		ATHENE			3300
+deep_r_ek_1		MACH_DEEP_R_EK_1	DEEP_R_EK_1		3301
+vivow_ct		MACH_VIVOW_CT		VIVOW_CT		3302
+nery_1000		MACH_NERY_1000		NERY_1000		3303
+rfl109145_ssrv		MACH_RFL109145_SSRV	RFL109145_SSRV		3304
+nmh			MACH_NMH		NMH			3305
+wn802t			MACH_WN802T		WN802T			3306
+dragonet		MACH_DRAGONET		DRAGONET		3307
+geneva_b		MACH_GENEVA_B		GENEVA_B		3308
+at91sam9263desk16l	MACH_AT91SAM9263DESK16L	AT91SAM9263DESK16L	3309
+bcmhana_sv		MACH_BCMHANA_SV		BCMHANA_SV		3310
+bcmhana_tablet		MACH_BCMHANA_TABLET	BCMHANA_TABLET		3311
+koi			MACH_KOI		KOI			3312
+ts4800			MACH_TS4800		TS4800			3313
+tqma9263		MACH_TQMA9263		TQMA9263		3314
+holiday			MACH_HOLIDAY		HOLIDAY			3315
+dma_6410		MACH_DMA6410		DMA6410			3316
+pcats_overlay		MACH_PCATS_OVERLAY	PCATS_OVERLAY		3317
+hwgw6410		MACH_HWGW6410		HWGW6410		3318
+shenzhou		MACH_SHENZHOU		SHENZHOU		3319
+cwme9210		MACH_CWME9210		CWME9210		3320
+cwme9210js		MACH_CWME9210JS		CWME9210JS		3321
+pgs_v1			MACH_PGS_SITARA		PGS_SITARA		3322
+colibri_tegra2		MACH_COLIBRI_TEGRA2	COLIBRI_TEGRA2		3323
+w21			MACH_W21		W21			3324
+polysat1		MACH_POLYSAT1		POLYSAT1		3325
+dataway			MACH_DATAWAY		DATAWAY			3326
+cobral138		MACH_COBRAL138		COBRAL138		3327
+roverpcs8		MACH_ROVERPCS8		ROVERPCS8		3328
+marvelc			MACH_MARVELC		MARVELC			3329
+navefihid		MACH_NAVEFIHID		NAVEFIHID		3330
+dm365_cv100		MACH_DM365_CV100	DM365_CV100		3331
+able			MACH_ABLE		ABLE			3332
+legacy			MACH_LEGACY		LEGACY			3333
+icong			MACH_ICONG		ICONG			3334
+rover_g8		MACH_ROVER_G8		ROVER_G8		3335
+t5388p			MACH_T5388P		T5388P			3336
+dingo			MACH_DINGO		DINGO			3337
+goflexhome		MACH_GOFLEXHOME		GOFLEXHOME		3338
diff --git a/arch/blackfin/include/asm/bfin_serial.h b/arch/blackfin/include/asm/bfin_serial.h
index 1ff9f14..7dbc664 100644
--- a/arch/blackfin/include/asm/bfin_serial.h
+++ b/arch/blackfin/include/asm/bfin_serial.h
@@ -10,6 +10,7 @@
 #define __BFIN_ASM_SERIAL_H__
 
 #include <linux/serial_core.h>
+#include <linux/spinlock.h>
 #include <mach/anomaly.h>
 #include <mach/bfin_serial.h>
 
@@ -41,6 +42,7 @@
 	struct circ_buf rx_dma_buf;
 	struct timer_list rx_dma_timer;
 	int rx_dma_nrows;
+	spinlock_t rx_lock;
 	unsigned int tx_dma_channel;
 	unsigned int rx_dma_channel;
 	struct work_struct tx_dma_workqueue;
diff --git a/arch/cris/kernel/vmlinux.lds.S b/arch/cris/kernel/vmlinux.lds.S
index 4422189..c49be84 100644
--- a/arch/cris/kernel/vmlinux.lds.S
+++ b/arch/cris/kernel/vmlinux.lds.S
@@ -72,11 +72,6 @@
 	INIT_TEXT_SECTION(PAGE_SIZE)
 	.init.data : { INIT_DATA }
 	.init.setup : { INIT_SETUP(16) }
-#ifdef CONFIG_ETRAX_ARCH_V32
-	__start___param = .;
-	__param : { *(__param) }
-	__stop___param = .;
-#endif
 	.initcall.init : {
 		INIT_CALLS
 	}
diff --git a/arch/m68k/include/asm/string.h b/arch/m68k/include/asm/string.h
index 65b1312..3219845 100644
--- a/arch/m68k/include/asm/string.h
+++ b/arch/m68k/include/asm/string.h
@@ -99,14 +99,12 @@
 		: "+a" (cs), "+a" (ct), "=d" (res));
 	return res;
 }
+#endif /* CONFIG_COLDFIRE */
 
 #define __HAVE_ARCH_MEMMOVE
 extern void *memmove(void *, const void *, __kernel_size_t);
 
-#define __HAVE_ARCH_MEMCMP
-extern int memcmp(const void *, const void *, __kernel_size_t);
 #define memcmp(d, s, n) __builtin_memcmp(d, s, n)
-#endif /* CONFIG_COLDFIRE */
 
 #define __HAVE_ARCH_MEMSET
 extern void *memset(void *, int, __kernel_size_t);
diff --git a/arch/m68k/lib/string.c b/arch/m68k/lib/string.c
index 4253f87..d399c5f 100644
--- a/arch/m68k/lib/string.c
+++ b/arch/m68k/lib/string.c
@@ -243,14 +243,3 @@
 	return xdest;
 }
 EXPORT_SYMBOL(memmove);
-
-int memcmp(const void *cs, const void *ct, size_t count)
-{
-	const unsigned char *su1, *su2;
-
-	for (su1 = cs, su2 = ct; count > 0; ++su1, ++su2, count--)
-		if (*su1 != *su2)
-			return *su1 < *su2 ? -1 : +1;
-	return 0;
-}
-EXPORT_SYMBOL(memcmp);
diff --git a/arch/m68knommu/kernel/vmlinux.lds.S b/arch/m68knommu/kernel/vmlinux.lds.S
index ef33213..47e15eb 100644
--- a/arch/m68knommu/kernel/vmlinux.lds.S
+++ b/arch/m68knommu/kernel/vmlinux.lds.S
@@ -141,6 +141,12 @@
 		*(__param)
 		__stop___param = .;
 
+		/* Built-in module versions */
+		. = ALIGN(4) ;
+		__start___modver = .;
+		*(__modver)
+		__stop___modver = .;
+
 		. = ALIGN(4) ;
 		_etext = . ;
 	} > TEXT
diff --git a/arch/m68knommu/lib/Makefile b/arch/m68knommu/lib/Makefile
index d94d709..32d852e 100644
--- a/arch/m68knommu/lib/Makefile
+++ b/arch/m68knommu/lib/Makefile
@@ -4,4 +4,4 @@
 
 lib-y	:= ashldi3.o ashrdi3.o lshrdi3.o \
 	   muldi3.o mulsi3.o divsi3.o udivsi3.o modsi3.o umodsi3.o \
-	   checksum.o memcpy.o memset.o delay.o
+	   checksum.o memcpy.o memmove.o memset.o delay.o
diff --git a/arch/m68knommu/lib/memmove.c b/arch/m68knommu/lib/memmove.c
new file mode 100644
index 0000000..b3dcfe9
--- /dev/null
+++ b/arch/m68knommu/lib/memmove.c
@@ -0,0 +1,105 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file COPYING in the main directory of this archive
+ * for more details.
+ */
+
+#define __IN_STRING_C
+
+#include <linux/module.h>
+#include <linux/string.h>
+
+void *memmove(void *dest, const void *src, size_t n)
+{
+	void *xdest = dest;
+	size_t temp;
+
+	if (!n)
+		return xdest;
+
+	if (dest < src) {
+		if ((long)dest & 1) {
+			char *cdest = dest;
+			const char *csrc = src;
+			*cdest++ = *csrc++;
+			dest = cdest;
+			src = csrc;
+			n--;
+		}
+		if (n > 2 && (long)dest & 2) {
+			short *sdest = dest;
+			const short *ssrc = src;
+			*sdest++ = *ssrc++;
+			dest = sdest;
+			src = ssrc;
+			n -= 2;
+		}
+		temp = n >> 2;
+		if (temp) {
+			long *ldest = dest;
+			const long *lsrc = src;
+			temp--;
+			do
+				*ldest++ = *lsrc++;
+			while (temp--);
+			dest = ldest;
+			src = lsrc;
+		}
+		if (n & 2) {
+			short *sdest = dest;
+			const short *ssrc = src;
+			*sdest++ = *ssrc++;
+			dest = sdest;
+			src = ssrc;
+		}
+		if (n & 1) {
+			char *cdest = dest;
+			const char *csrc = src;
+			*cdest = *csrc;
+		}
+	} else {
+		dest = (char *)dest + n;
+		src = (const char *)src + n;
+		if ((long)dest & 1) {
+			char *cdest = dest;
+			const char *csrc = src;
+			*--cdest = *--csrc;
+			dest = cdest;
+			src = csrc;
+			n--;
+		}
+		if (n > 2 && (long)dest & 2) {
+			short *sdest = dest;
+			const short *ssrc = src;
+			*--sdest = *--ssrc;
+			dest = sdest;
+			src = ssrc;
+			n -= 2;
+		}
+		temp = n >> 2;
+		if (temp) {
+			long *ldest = dest;
+			const long *lsrc = src;
+			temp--;
+			do
+				*--ldest = *--lsrc;
+			while (temp--);
+			dest = ldest;
+			src = lsrc;
+		}
+		if (n & 2) {
+			short *sdest = dest;
+			const short *ssrc = src;
+			*--sdest = *--ssrc;
+			dest = sdest;
+			src = ssrc;
+		}
+		if (n & 1) {
+			char *cdest = dest;
+			const char *csrc = src;
+			*--cdest = *--csrc;
+		}
+	}
+	return xdest;
+}
+EXPORT_SYMBOL(memmove);
diff --git a/arch/m68knommu/platform/5249/intc2.c b/arch/m68knommu/platform/5249/intc2.c
index d09d9da..c5151f8 100644
--- a/arch/m68knommu/platform/5249/intc2.c
+++ b/arch/m68knommu/platform/5249/intc2.c
@@ -50,8 +50,10 @@
 	int irq;
 
 	/* GPIO interrupt sources */
-	for (irq = MCFINTC2_GPIOIRQ0; (irq <= MCFINTC2_GPIOIRQ7); irq++)
+	for (irq = MCFINTC2_GPIOIRQ0; (irq <= MCFINTC2_GPIOIRQ7); irq++) {
 		irq_desc[irq].chip = &intc2_irq_gpio_chip;
+		set_irq_handler(irq, handle_edge_irq);
+	}
 
 	return 0;
 }
diff --git a/arch/m68knommu/platform/68328/entry.S b/arch/m68knommu/platform/68328/entry.S
index 240a7a6..676960c 100644
--- a/arch/m68knommu/platform/68328/entry.S
+++ b/arch/m68knommu/platform/68328/entry.S
@@ -108,7 +108,6 @@
 	movel	%d1,%a2
 1:
 	move	%a2@(TI_FLAGS),%d1	/* thread_info->flags */
-	andl	#_TIF_WORK_MASK,%d1
 	jne	Lwork_to_do
 	RESTORE_ALL
 
diff --git a/arch/m68knommu/platform/68360/commproc.c b/arch/m68knommu/platform/68360/commproc.c
index f27e688..8e4e10c 100644
--- a/arch/m68knommu/platform/68360/commproc.c
+++ b/arch/m68knommu/platform/68360/commproc.c
@@ -210,7 +210,7 @@
 cpm_install_handler(int vec, void (*handler)(), void *dev_id)
 {
 
-	request_irq(vec, handler, IRQ_FLG_LOCK, "timer", dev_id);
+	request_irq(vec, handler, 0, "timer", dev_id);
 
 /* 	if (cpm_vecs[vec].handler != 0) */
 /* 		printk(KERN_INFO "CPM interrupt %x replacing %x\n", */
diff --git a/arch/m68knommu/platform/68360/config.c b/arch/m68knommu/platform/68360/config.c
index ac629fa3..9dd5bca 100644
--- a/arch/m68knommu/platform/68360/config.c
+++ b/arch/m68knommu/platform/68360/config.c
@@ -75,7 +75,7 @@
   /* Set compare register  32Khz / 32 / 10 = 100 */
   TCMP = 10;                                                              
 
-  request_irq(IRQ_MACHSPEC | 1, timer_routine, IRQ_FLG_LOCK, "timer", NULL);
+  request_irq(IRQ_MACHSPEC | 1, timer_routine, 0, "timer", NULL);
 #endif
 
   /* General purpose quicc timers: MC68360UM p7-20 */
diff --git a/arch/m68knommu/platform/68360/entry.S b/arch/m68knommu/platform/68360/entry.S
index 8a28788..46c1b18 100644
--- a/arch/m68knommu/platform/68360/entry.S
+++ b/arch/m68knommu/platform/68360/entry.S
@@ -104,7 +104,6 @@
 	movel	%d1,%a2
 1:
 	move	%a2@(TI_FLAGS),%d1	/* thread_info->flags */
-	andl	#_TIF_WORK_MASK,%d1
 	jne	Lwork_to_do
 	RESTORE_ALL
 
diff --git a/arch/m68knommu/platform/68360/ints.c b/arch/m68knommu/platform/68360/ints.c
index ad96ab1..a29041c 100644
--- a/arch/m68knommu/platform/68360/ints.c
+++ b/arch/m68knommu/platform/68360/ints.c
@@ -132,8 +132,8 @@
 	pquicc->intr_cimr = 0x00000000;
 
 	for (i = 0; (i < NR_IRQS); i++) {
-		set_irq_chip(irq, &intc_irq_chip);
-		set_irq_handler(irq, handle_level_irq);
+		set_irq_chip(i, &intc_irq_chip);
+		set_irq_handler(i, handle_level_irq);
 	}
 }
 
diff --git a/arch/m68knommu/platform/coldfire/entry.S b/arch/m68knommu/platform/coldfire/entry.S
index 4ddfc3da..5837cf0 100644
--- a/arch/m68knommu/platform/coldfire/entry.S
+++ b/arch/m68knommu/platform/coldfire/entry.S
@@ -138,7 +138,6 @@
 	andl	#-THREAD_SIZE,%d1	/* at base of kernel stack */
 	movel	%d1,%a0
 	movel	%a0@(TI_FLAGS),%d1	/* get thread_info->flags */
-	andl	#0xefff,%d1
 	jne	Lwork_to_do		/* still work to do */
 
 Lreturn:
diff --git a/arch/microblaze/include/asm/irqflags.h b/arch/microblaze/include/asm/irqflags.h
index 5fd3190..c4532f0 100644
--- a/arch/microblaze/include/asm/irqflags.h
+++ b/arch/microblaze/include/asm/irqflags.h
@@ -12,7 +12,7 @@
 #include <linux/types.h>
 #include <asm/registers.h>
 
-#ifdef CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR
+#if CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR
 
 static inline unsigned long arch_local_irq_save(void)
 {
diff --git a/arch/microblaze/include/asm/pgtable.h b/arch/microblaze/include/asm/pgtable.h
index b23f680..885574a 100644
--- a/arch/microblaze/include/asm/pgtable.h
+++ b/arch/microblaze/include/asm/pgtable.h
@@ -411,20 +411,19 @@
 static inline unsigned long pte_update(pte_t *p, unsigned long clr,
 				unsigned long set)
 {
-	unsigned long old, tmp, msr;
+	unsigned long flags, old, tmp;
 
-	__asm__ __volatile__("\
-	msrclr	%2, 0x2\n\
-	nop\n\
-	lw	%0, %4, r0\n\
-	andn	%1, %0, %5\n\
-	or	%1, %1, %6\n\
-	sw	%1, %4, r0\n\
-	mts     rmsr, %2\n\
-	nop"
-	: "=&r" (old), "=&r" (tmp), "=&r" (msr), "=m" (*p)
-	: "r" ((unsigned long)(p + 1) - 4), "r" (clr), "r" (set), "m" (*p)
-	: "cc");
+	raw_local_irq_save(flags);
+
+	__asm__ __volatile__(	"lw	%0, %2, r0	\n"
+				"andn	%1, %0, %3	\n"
+				"or	%1, %1, %4	\n"
+				"sw	%1, %2, r0	\n"
+			: "=&r" (old), "=&r" (tmp)
+			: "r" ((unsigned long)(p + 1) - 4), "r" (clr), "r" (set)
+			: "cc");
+
+	raw_local_irq_restore(flags);
 
 	return old;
 }
diff --git a/arch/microblaze/kernel/cpu/pvr.c b/arch/microblaze/kernel/cpu/pvr.c
index e01afa6..488c1ed 100644
--- a/arch/microblaze/kernel/cpu/pvr.c
+++ b/arch/microblaze/kernel/cpu/pvr.c
@@ -27,7 +27,7 @@
 	register unsigned tmp __asm__("r3");			\
 	tmp = 0x0;	/* Prevent warning about unused */	\
 	__asm__ __volatile__ (					\
-			"mfs	%0, rpvr" #pvrid ";"	\
+			"mfs	%0, rpvr" #pvrid ";"		\
 			: "=r" (tmp) : : "memory"); 		\
 	val = tmp;						\
 }
@@ -54,7 +54,7 @@
 	if (!(flags & PVR_MSR_BIT))
 		return 0;
 
-	get_single_pvr(0x00, pvr0);
+	get_single_pvr(0, pvr0);
 	pr_debug("%s: pvr0 is 0x%08x\n", __func__, pvr0);
 
 	if (pvr0 & PVR0_PVR_FULL_MASK)
diff --git a/arch/microblaze/kernel/head.S b/arch/microblaze/kernel/head.S
index 0db20b5..778a5ce 100644
--- a/arch/microblaze/kernel/head.S
+++ b/arch/microblaze/kernel/head.S
@@ -62,15 +62,14 @@
 	andi	r1, r1, ~2
 	mts	rmsr, r1
 /*
- * Here is checking mechanism which check if Microblaze has msr instructions
- * We load msr and compare it with previous r1 value - if is the same,
- * msr instructions works if not - cpu don't have them.
+ * According to Xilinx, msrclr instruction behaves like 'mfs rX,rpc'
+ * if the msrclr instruction is not enabled. We use this to detect
+ * if the opcode is available, by issuing msrclr and then testing the result.
+ * r8 == 0 - msr instructions are implemented
+ * r8 != 0 - msr instructions are not implemented
  */
-	/* r8=0 - I have msr instr, 1 - I don't have them */
-	rsubi	r0, r0, 1	/* set the carry bit */
-	msrclr	r0, 0x4		/* try to clear it */
-	/* read the carry bit, r8 will be '0' if msrclr exists */
-	addik	r8, r0, 0
+	msrclr	r8, 0 /* clear nothing - just read msr for test */
+	cmpu	r8, r8, r1 /* r1 must contain msr reg content */
 
 /* r7 may point to an FDT, or there may be one linked in.
    if it's in r7, we've got to save it away ASAP.
diff --git a/arch/microblaze/kernel/setup.c b/arch/microblaze/kernel/setup.c
index bb1558e..9312fbb 100644
--- a/arch/microblaze/kernel/setup.c
+++ b/arch/microblaze/kernel/setup.c
@@ -161,11 +161,11 @@
 #if CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR
 	if (msr)
 		eprintk("!!!Your kernel has setup MSR instruction but "
-				"CPU don't have it %d\n", msr);
+				"CPU don't have it %x\n", msr);
 #else
 	if (!msr)
 		eprintk("!!!Your kernel not setup MSR instruction but "
-				"CPU have it %d\n", msr);
+				"CPU have it %x\n", msr);
 #endif
 
 	for (src = __ivt_start; src < __ivt_end; src++, dst++)
diff --git a/arch/powerpc/include/asm/mmu-book3e.h b/arch/powerpc/include/asm/mmu-book3e.h
index 8eaed81..17194fc 100644
--- a/arch/powerpc/include/asm/mmu-book3e.h
+++ b/arch/powerpc/include/asm/mmu-book3e.h
@@ -40,8 +40,8 @@
 
 /* MAS registers bit definitions */
 
-#define MAS0_TLBSEL(x)		((x << 28) & 0x30000000)
-#define MAS0_ESEL(x)		((x << 16) & 0x0FFF0000)
+#define MAS0_TLBSEL(x)		(((x) << 28) & 0x30000000)
+#define MAS0_ESEL(x)		(((x) << 16) & 0x0FFF0000)
 #define MAS0_NV(x)		((x) & 0x00000FFF)
 #define MAS0_HES		0x00004000
 #define MAS0_WQ_ALLWAYS		0x00000000
@@ -50,12 +50,12 @@
 
 #define MAS1_VALID		0x80000000
 #define MAS1_IPROT		0x40000000
-#define MAS1_TID(x)		((x << 16) & 0x3FFF0000)
+#define MAS1_TID(x)		(((x) << 16) & 0x3FFF0000)
 #define MAS1_IND		0x00002000
 #define MAS1_TS			0x00001000
 #define MAS1_TSIZE_MASK		0x00000f80
 #define MAS1_TSIZE_SHIFT	7
-#define MAS1_TSIZE(x)		((x << MAS1_TSIZE_SHIFT) & MAS1_TSIZE_MASK)
+#define MAS1_TSIZE(x)		(((x) << MAS1_TSIZE_SHIFT) & MAS1_TSIZE_MASK)
 
 #define MAS2_EPN		0xFFFFF000
 #define MAS2_X0			0x00000040
diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h
index 53b64be..da4b200 100644
--- a/arch/powerpc/include/asm/page.h
+++ b/arch/powerpc/include/asm/page.h
@@ -101,7 +101,7 @@
 
 #ifdef CONFIG_FLATMEM
 #define ARCH_PFN_OFFSET		(MEMORY_START >> PAGE_SHIFT)
-#define pfn_valid(pfn)		((pfn) >= ARCH_PFN_OFFSET && (pfn) < (ARCH_PFN_OFFSET + max_mapnr))
+#define pfn_valid(pfn)		((pfn) >= ARCH_PFN_OFFSET && (pfn) < max_mapnr)
 #endif
 
 #define virt_to_page(kaddr)	pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
diff --git a/arch/powerpc/kernel/cpu_setup_6xx.S b/arch/powerpc/kernel/cpu_setup_6xx.S
index 55cba4a..f8cd9fb 100644
--- a/arch/powerpc/kernel/cpu_setup_6xx.S
+++ b/arch/powerpc/kernel/cpu_setup_6xx.S
@@ -18,7 +18,7 @@
 #include <asm/mmu.h>
 
 _GLOBAL(__setup_cpu_603)
-	mflr	r4
+	mflr	r5
 BEGIN_MMU_FTR_SECTION
 	li	r10,0
 	mtspr	SPRN_SPRG_603_LRU,r10		/* init SW LRU tracking */
@@ -27,60 +27,60 @@
 	bl	__init_fpu_registers
 END_FTR_SECTION_IFCLR(CPU_FTR_FPU_UNAVAILABLE)
 	bl	setup_common_caches
-	mtlr	r4
+	mtlr	r5
 	blr
 _GLOBAL(__setup_cpu_604)
-	mflr	r4
+	mflr	r5
 	bl	setup_common_caches
 	bl	setup_604_hid0
-	mtlr	r4
+	mtlr	r5
 	blr
 _GLOBAL(__setup_cpu_750)
-	mflr	r4
+	mflr	r5
 	bl	__init_fpu_registers
 	bl	setup_common_caches
 	bl	setup_750_7400_hid0
-	mtlr	r4
+	mtlr	r5
 	blr
 _GLOBAL(__setup_cpu_750cx)
-	mflr	r4
+	mflr	r5
 	bl	__init_fpu_registers
 	bl	setup_common_caches
 	bl	setup_750_7400_hid0
 	bl	setup_750cx
-	mtlr	r4
+	mtlr	r5
 	blr
 _GLOBAL(__setup_cpu_750fx)
-	mflr	r4
+	mflr	r5
 	bl	__init_fpu_registers
 	bl	setup_common_caches
 	bl	setup_750_7400_hid0
 	bl	setup_750fx
-	mtlr	r4
+	mtlr	r5
 	blr
 _GLOBAL(__setup_cpu_7400)
-	mflr	r4
+	mflr	r5
 	bl	__init_fpu_registers
 	bl	setup_7400_workarounds
 	bl	setup_common_caches
 	bl	setup_750_7400_hid0
-	mtlr	r4
+	mtlr	r5
 	blr
 _GLOBAL(__setup_cpu_7410)
-	mflr	r4
+	mflr	r5
 	bl	__init_fpu_registers
 	bl	setup_7410_workarounds
 	bl	setup_common_caches
 	bl	setup_750_7400_hid0
 	li	r3,0
 	mtspr	SPRN_L2CR2,r3
-	mtlr	r4
+	mtlr	r5
 	blr
 _GLOBAL(__setup_cpu_745x)
-	mflr	r4
+	mflr	r5
 	bl	setup_common_caches
 	bl	setup_745x_specifics
-	mtlr	r4
+	mtlr	r5
 	blr
 
 /* Enable caches for 603's, 604, 750 & 7400 */
@@ -194,10 +194,10 @@
 	cror	4*cr0+eq,4*cr0+eq,4*cr1+eq
 	cror	4*cr0+eq,4*cr0+eq,4*cr2+eq
 	bnelr
-	lwz	r6,CPU_SPEC_FEATURES(r5)
+	lwz	r6,CPU_SPEC_FEATURES(r4)
 	li	r7,CPU_FTR_CAN_NAP
 	andc	r6,r6,r7
-	stw	r6,CPU_SPEC_FEATURES(r5)
+	stw	r6,CPU_SPEC_FEATURES(r4)
 	blr
 
 /* 750fx specific
@@ -225,12 +225,12 @@
 	andis.	r11,r11,L3CR_L3E@h
 	beq	1f
 END_FTR_SECTION_IFSET(CPU_FTR_L3CR)
-	lwz	r6,CPU_SPEC_FEATURES(r5)
+	lwz	r6,CPU_SPEC_FEATURES(r4)
 	andi.	r0,r6,CPU_FTR_L3_DISABLE_NAP
 	beq	1f
 	li	r7,CPU_FTR_CAN_NAP
 	andc	r6,r6,r7
-	stw	r6,CPU_SPEC_FEATURES(r5)
+	stw	r6,CPU_SPEC_FEATURES(r4)
 1:
 	mfspr	r11,SPRN_HID0
 
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index 8d74a24..e8e915c 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -2076,8 +2076,8 @@
 	 * pointer on ppc64 and booke as we are running at 0 in real mode
 	 * on ppc64 and reloc_offset is always 0 on booke.
 	 */
-	if (s->cpu_setup) {
-		s->cpu_setup(offset, s);
+	if (t->cpu_setup) {
+		t->cpu_setup(offset, t);
 	}
 #endif /* CONFIG_PPC64 || CONFIG_BOOKE */
 }
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index bf5cb91..fd48123 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -186,7 +186,7 @@
 	dbg("removing cpu %lu from node %d\n", cpu, node);
 
 	if (cpumask_test_cpu(cpu, node_to_cpumask_map[node])) {
-		cpumask_set_cpu(cpu, node_to_cpumask_map[node]);
+		cpumask_clear_cpu(cpu, node_to_cpumask_map[node]);
 	} else {
 		printk(KERN_ERR "WARNING: cpu %lu not found in node %d\n",
 		       cpu, node);
@@ -1289,10 +1289,9 @@
 }
 #endif /* CONFIG_MEMORY_HOTPLUG */
 
-/* Vrtual Processor Home Node (VPHN) support */
+/* Virtual Processor Home Node (VPHN) support */
 #ifdef CONFIG_PPC_SPLPAR
-#define VPHN_NR_CHANGE_CTRS (8)
-static u8 vphn_cpu_change_counts[NR_CPUS][VPHN_NR_CHANGE_CTRS];
+static u8 vphn_cpu_change_counts[NR_CPUS][MAX_DISTANCE_REF_POINTS];
 static cpumask_t cpu_associativity_changes_mask;
 static int vphn_enabled;
 static void set_topology_timer(void);
@@ -1303,16 +1302,18 @@
  */
 static void setup_cpu_associativity_change_counters(void)
 {
-	int cpu = 0;
+	int cpu;
+
+	/* The VPHN feature supports a maximum of 8 reference points */
+	BUILD_BUG_ON(MAX_DISTANCE_REF_POINTS > 8);
 
 	for_each_possible_cpu(cpu) {
-		int i = 0;
+		int i;
 		u8 *counts = vphn_cpu_change_counts[cpu];
 		volatile u8 *hypervisor_counts = lppaca[cpu].vphn_assoc_counts;
 
-		for (i = 0; i < VPHN_NR_CHANGE_CTRS; i++) {
+		for (i = 0; i < distance_ref_points_depth; i++)
 			counts[i] = hypervisor_counts[i];
-		}
 	}
 }
 
@@ -1329,7 +1330,7 @@
  */
 static int update_cpu_associativity_changes_mask(void)
 {
-	int cpu = 0, nr_cpus = 0;
+	int cpu, nr_cpus = 0;
 	cpumask_t *changes = &cpu_associativity_changes_mask;
 
 	cpumask_clear(changes);
@@ -1339,8 +1340,8 @@
 		u8 *counts = vphn_cpu_change_counts[cpu];
 		volatile u8 *hypervisor_counts = lppaca[cpu].vphn_assoc_counts;
 
-		for (i = 0; i < VPHN_NR_CHANGE_CTRS; i++) {
-			if (hypervisor_counts[i] > counts[i]) {
+		for (i = 0; i < distance_ref_points_depth; i++) {
+			if (hypervisor_counts[i] != counts[i]) {
 				counts[i] = hypervisor_counts[i];
 				changed = 1;
 			}
@@ -1354,8 +1355,11 @@
 	return nr_cpus;
 }
 
-/* 6 64-bit registers unpacked into 12 32-bit associativity values */
-#define VPHN_ASSOC_BUFSIZE (6*sizeof(u64)/sizeof(u32))
+/*
+ * 6 64-bit registers unpacked into 12 32-bit associativity values. To form
+ * the complete property we have to add the length in the first cell.
+ */
+#define VPHN_ASSOC_BUFSIZE (6*sizeof(u64)/sizeof(u32) + 1)
 
 /*
  * Convert the associativity domain numbers returned from the hypervisor
@@ -1363,15 +1367,14 @@
  */
 static int vphn_unpack_associativity(const long *packed, unsigned int *unpacked)
 {
-	int i = 0;
-	int nr_assoc_doms = 0;
+	int i, nr_assoc_doms = 0;
 	const u16 *field = (const u16*) packed;
 
 #define VPHN_FIELD_UNUSED	(0xffff)
 #define VPHN_FIELD_MSB		(0x8000)
 #define VPHN_FIELD_MASK		(~VPHN_FIELD_MSB)
 
-	for (i = 0; i < VPHN_ASSOC_BUFSIZE; i++) {
+	for (i = 1; i < VPHN_ASSOC_BUFSIZE; i++) {
 		if (*field == VPHN_FIELD_UNUSED) {
 			/* All significant fields processed, and remaining
 			 * fields contain the reserved value of all 1's.
@@ -1379,14 +1382,12 @@
 			 */
 			unpacked[i] = *((u32*)field);
 			field += 2;
-		}
-		else if (*field & VPHN_FIELD_MSB) {
+		} else if (*field & VPHN_FIELD_MSB) {
 			/* Data is in the lower 15 bits of this field */
 			unpacked[i] = *field & VPHN_FIELD_MASK;
 			field++;
 			nr_assoc_doms++;
-		}
-		else {
+		} else {
 			/* Data is in the lower 15 bits of this field
 			 * concatenated with the next 16 bit field
 			 */
@@ -1396,6 +1397,9 @@
 		}
 	}
 
+	/* The first cell contains the length of the property */
+	unpacked[0] = nr_assoc_doms;
+
 	return nr_assoc_doms;
 }
 
@@ -1405,7 +1409,7 @@
  */
 static long hcall_vphn(unsigned long cpu, unsigned int *associativity)
 {
-	long rc = 0;
+	long rc;
 	long retbuf[PLPAR_HCALL9_BUFSIZE] = {0};
 	u64 flags = 1;
 	int hwcpu = get_hard_smp_processor_id(cpu);
@@ -1419,7 +1423,7 @@
 static long vphn_get_associativity(unsigned long cpu,
 					unsigned int *associativity)
 {
-	long rc = 0;
+	long rc;
 
 	rc = hcall_vphn(cpu, associativity);
 
@@ -1445,9 +1449,9 @@
  */
 int arch_update_cpu_topology(void)
 {
-	int cpu = 0, nid = 0, old_nid = 0;
+	int cpu, nid, old_nid;
 	unsigned int associativity[VPHN_ASSOC_BUFSIZE] = {0};
-	struct sys_device *sysdev = NULL;
+	struct sys_device *sysdev;
 
 	for_each_cpu_mask(cpu, cpu_associativity_changes_mask) {
 		vphn_get_associativity(cpu, associativity);
@@ -1512,7 +1516,8 @@
 {
 	int rc = 0;
 
-	if (firmware_has_feature(FW_FEATURE_VPHN)) {
+	if (firmware_has_feature(FW_FEATURE_VPHN) &&
+	    get_lppaca()->shared_proc) {
 		vphn_enabled = 1;
 		setup_cpu_associativity_change_counters();
 		init_timer_deferrable(&topology_timer);
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index 5d3ea9f..ca5d589 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -713,6 +713,13 @@
 /* NB: reg/unreg are called while guarded with the tracepoints_mutex */
 extern long hcall_tracepoint_refcount;
 
+/* 
+ * Since the tracing code might execute hcalls we need to guard against
+ * recursion. One example of this are spinlocks calling H_YIELD on
+ * shared processor partitions.
+ */
+static DEFINE_PER_CPU(unsigned int, hcall_trace_depth);
+
 void hcall_tracepoint_regfunc(void)
 {
 	hcall_tracepoint_refcount++;
@@ -725,12 +732,42 @@
 
 void __trace_hcall_entry(unsigned long opcode, unsigned long *args)
 {
+	unsigned long flags;
+	unsigned int *depth;
+
+	local_irq_save(flags);
+
+	depth = &__get_cpu_var(hcall_trace_depth);
+
+	if (*depth)
+		goto out;
+
+	(*depth)++;
 	trace_hcall_entry(opcode, args);
+	(*depth)--;
+
+out:
+	local_irq_restore(flags);
 }
 
 void __trace_hcall_exit(long opcode, unsigned long retval,
 			unsigned long *retbuf)
 {
+	unsigned long flags;
+	unsigned int *depth;
+
+	local_irq_save(flags);
+
+	depth = &__get_cpu_var(hcall_trace_depth);
+
+	if (*depth)
+		goto out;
+
+	(*depth)++;
 	trace_hcall_exit(opcode, retval, retbuf);
+	(*depth)--;
+
+out:
+	local_irq_restore(flags);
 }
 #endif
diff --git a/arch/s390/boot/compressed/misc.c b/arch/s390/boot/compressed/misc.c
index 0851eb1..2751b3a 100644
--- a/arch/s390/boot/compressed/misc.c
+++ b/arch/s390/boot/compressed/misc.c
@@ -133,11 +133,12 @@
 	unsigned long output_addr;
 	unsigned char *output;
 
-	check_ipl_parmblock((void *) 0, (unsigned long) output + SZ__bss_start);
+	output_addr = ((unsigned long) &_end + HEAP_SIZE + 4095UL) & -4096UL;
+	check_ipl_parmblock((void *) 0, output_addr + SZ__bss_start);
 	memset(&_bss, 0, &_ebss - &_bss);
 	free_mem_ptr = (unsigned long)&_end;
 	free_mem_end_ptr = free_mem_ptr + HEAP_SIZE;
-	output = (unsigned char *) ((free_mem_end_ptr + 4095UL) & -4096UL);
+	output = (unsigned char *) output_addr;
 
 #ifdef CONFIG_BLK_DEV_INITRD
 	/*
diff --git a/arch/s390/crypto/sha_common.c b/arch/s390/crypto/sha_common.c
index f42dbab..48884f8 100644
--- a/arch/s390/crypto/sha_common.c
+++ b/arch/s390/crypto/sha_common.c
@@ -38,6 +38,7 @@
 		BUG_ON(ret != bsize);
 		data += bsize - index;
 		len -= bsize - index;
+		index = 0;
 	}
 
 	/* process as many blocks as possible */
diff --git a/arch/s390/include/asm/atomic.h b/arch/s390/include/asm/atomic.h
index 76daea1..5c5ba10 100644
--- a/arch/s390/include/asm/atomic.h
+++ b/arch/s390/include/asm/atomic.h
@@ -36,14 +36,19 @@
 
 static inline int atomic_read(const atomic_t *v)
 {
-	barrier();
-	return v->counter;
+	int c;
+
+	asm volatile(
+		"	l	%0,%1\n"
+		: "=d" (c) : "Q" (v->counter));
+	return c;
 }
 
 static inline void atomic_set(atomic_t *v, int i)
 {
-	v->counter = i;
-	barrier();
+	asm volatile(
+		"	st	%1,%0\n"
+		: "=Q" (v->counter) : "d" (i));
 }
 
 static inline int atomic_add_return(int i, atomic_t *v)
@@ -128,14 +133,19 @@
 
 static inline long long atomic64_read(const atomic64_t *v)
 {
-	barrier();
-	return v->counter;
+	long long c;
+
+	asm volatile(
+		"	lg	%0,%1\n"
+		: "=d" (c) : "Q" (v->counter));
+	return c;
 }
 
 static inline void atomic64_set(atomic64_t *v, long long i)
 {
-	v->counter = i;
-	barrier();
+	asm volatile(
+		"	stg	%1,%0\n"
+		: "=Q" (v->counter) : "d" (i));
 }
 
 static inline long long atomic64_add_return(long long i, atomic64_t *v)
diff --git a/arch/s390/include/asm/cache.h b/arch/s390/include/asm/cache.h
index 24aafa6..2a30d5a 100644
--- a/arch/s390/include/asm/cache.h
+++ b/arch/s390/include/asm/cache.h
@@ -13,6 +13,7 @@
 
 #define L1_CACHE_BYTES     256
 #define L1_CACHE_SHIFT     8
+#define NET_SKB_PAD	   32
 
 #define __read_mostly __attribute__((__section__(".data..read_mostly")))
 
diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
index bf3de04..2c79b64 100644
--- a/arch/s390/include/asm/processor.h
+++ b/arch/s390/include/asm/processor.h
@@ -148,11 +148,6 @@
  */
 extern unsigned long thread_saved_pc(struct task_struct *t);
 
-/*
- * Print register of task into buffer. Used in fs/proc/array.c.
- */
-extern void task_show_regs(struct seq_file *m, struct task_struct *task);
-
 extern void show_code(struct pt_regs *regs);
 
 unsigned long get_wchan(struct task_struct *p);
diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c
index 5eb78dd..b5a4a73 100644
--- a/arch/s390/kernel/traps.c
+++ b/arch/s390/kernel/traps.c
@@ -237,43 +237,6 @@
 	show_last_breaking_event(regs);
 }
 
-/* This is called from fs/proc/array.c */
-void task_show_regs(struct seq_file *m, struct task_struct *task)
-{
-	struct pt_regs *regs;
-
-	regs = task_pt_regs(task);
-	seq_printf(m, "task: %p, ksp: %p\n",
-		       task, (void *)task->thread.ksp);
-	seq_printf(m, "User PSW : %p %p\n",
-		       (void *) regs->psw.mask, (void *)regs->psw.addr);
-
-	seq_printf(m, "User GPRS: " FOURLONG,
-			  regs->gprs[0], regs->gprs[1],
-			  regs->gprs[2], regs->gprs[3]);
-	seq_printf(m, "           " FOURLONG,
-			  regs->gprs[4], regs->gprs[5],
-			  regs->gprs[6], regs->gprs[7]);
-	seq_printf(m, "           " FOURLONG,
-			  regs->gprs[8], regs->gprs[9],
-			  regs->gprs[10], regs->gprs[11]);
-	seq_printf(m, "           " FOURLONG,
-			  regs->gprs[12], regs->gprs[13],
-			  regs->gprs[14], regs->gprs[15]);
-	seq_printf(m, "User ACRS: %08x %08x %08x %08x\n",
-			  task->thread.acrs[0], task->thread.acrs[1],
-			  task->thread.acrs[2], task->thread.acrs[3]);
-	seq_printf(m, "           %08x %08x %08x %08x\n",
-			  task->thread.acrs[4], task->thread.acrs[5],
-			  task->thread.acrs[6], task->thread.acrs[7]);
-	seq_printf(m, "           %08x %08x %08x %08x\n",
-			  task->thread.acrs[8], task->thread.acrs[9],
-			  task->thread.acrs[10], task->thread.acrs[11]);
-	seq_printf(m, "           %08x %08x %08x %08x\n",
-			  task->thread.acrs[12], task->thread.acrs[13],
-			  task->thread.acrs[14], task->thread.acrs[15]);
-}
-
 static DEFINE_SPINLOCK(die_lock);
 
 void die(const char * str, struct pt_regs * regs, long err)
diff --git a/arch/sparc/include/asm/pcr.h b/arch/sparc/include/asm/pcr.h
index a2f5c61..843e4fa 100644
--- a/arch/sparc/include/asm/pcr.h
+++ b/arch/sparc/include/asm/pcr.h
@@ -43,4 +43,6 @@
 
 extern u64 pcr_enable;
 
+extern int pcr_arch_init(void);
+
 #endif /* __PCR_H */
diff --git a/arch/sparc/kernel/iommu.c b/arch/sparc/kernel/iommu.c
index 47977a7..72509d0 100644
--- a/arch/sparc/kernel/iommu.c
+++ b/arch/sparc/kernel/iommu.c
@@ -255,10 +255,9 @@
 static int iommu_alloc_ctx(struct iommu *iommu)
 {
 	int lowest = iommu->ctx_lowest_free;
-	int sz = IOMMU_NUM_CTXS - lowest;
-	int n = find_next_zero_bit(iommu->ctx_bitmap, sz, lowest);
+	int n = find_next_zero_bit(iommu->ctx_bitmap, IOMMU_NUM_CTXS, lowest);
 
-	if (unlikely(n == sz)) {
+	if (unlikely(n == IOMMU_NUM_CTXS)) {
 		n = find_next_zero_bit(iommu->ctx_bitmap, lowest, 1);
 		if (unlikely(n == lowest)) {
 			printk(KERN_WARNING "IOMMU: Ran out of contexts.\n");
diff --git a/arch/sparc/kernel/pcr.c b/arch/sparc/kernel/pcr.c
index ae96cf5..7c2ced6 100644
--- a/arch/sparc/kernel/pcr.c
+++ b/arch/sparc/kernel/pcr.c
@@ -167,5 +167,3 @@
 	unregister_perf_hsvc();
 	return err;
 }
-
-early_initcall(pcr_arch_init);
diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
index b6a2b8f..555a76d 100644
--- a/arch/sparc/kernel/smp_64.c
+++ b/arch/sparc/kernel/smp_64.c
@@ -49,6 +49,7 @@
 #include <asm/mdesc.h>
 #include <asm/ldc.h>
 #include <asm/hypervisor.h>
+#include <asm/pcr.h>
 
 #include "cpumap.h"
 
@@ -1358,6 +1359,7 @@
 
 void __init smp_cpus_done(unsigned int max_cpus)
 {
+	pcr_arch_init();
 }
 
 void smp_send_reschedule(int cpu)
diff --git a/arch/sparc/kernel/una_asm_32.S b/arch/sparc/kernel/una_asm_32.S
index 8cc0345..8f096e8 100644
--- a/arch/sparc/kernel/una_asm_32.S
+++ b/arch/sparc/kernel/una_asm_32.S
@@ -24,9 +24,9 @@
 	.globl	__do_int_store
 __do_int_store:
 	ld	[%o2], %g1
-	cmp	%1, 2
+	cmp	%o1, 2
 	be	2f
-	 cmp	%1, 4
+	 cmp	%o1, 4
 	be	1f
 	 srl	%g1, 24, %g2
 	srl	%g1, 16, %g7
diff --git a/arch/sparc/lib/bitext.c b/arch/sparc/lib/bitext.c
index 764b3eb..48d00e7 100644
--- a/arch/sparc/lib/bitext.c
+++ b/arch/sparc/lib/bitext.c
@@ -10,7 +10,7 @@
  */
 
 #include <linux/string.h>
-#include <linux/bitops.h>
+#include <linux/bitmap.h>
 
 #include <asm/bitext.h>
 
@@ -80,8 +80,7 @@
 		while (test_bit(offset + i, t->map) == 0) {
 			i++;
 			if (i == len) {
-				for (i = 0; i < len; i++)
-					__set_bit(offset + i, t->map);
+				bitmap_set(t->map, offset, len);
 				if (offset == t->first_free)
 					t->first_free = find_next_zero_bit
 							(t->map, t->size,
diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h
index 211ca3f..4ea15ca 100644
--- a/arch/x86/include/asm/acpi.h
+++ b/arch/x86/include/asm/acpi.h
@@ -88,6 +88,7 @@
 extern int acpi_pci_disabled;
 extern int acpi_skip_timer_override;
 extern int acpi_use_timer_override;
+extern int acpi_fix_pin2_polarity;
 
 extern u8 acpi_sci_flags;
 extern int acpi_sci_override_gsi;
diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
index 5e3969c..3c89694 100644
--- a/arch/x86/include/asm/apic.h
+++ b/arch/x86/include/asm/apic.h
@@ -233,6 +233,7 @@
 extern void init_bsp_APIC(void);
 extern void setup_local_APIC(void);
 extern void end_local_APIC_setup(void);
+extern void bsp_end_local_APIC_setup(void);
 extern void init_apic_mappings(void);
 void register_lapic_address(unsigned long address);
 extern void setup_boot_APIC_clock(void);
diff --git a/arch/x86/include/asm/cpu.h b/arch/x86/include/asm/cpu.h
index 6e6e755..4564c8e 100644
--- a/arch/x86/include/asm/cpu.h
+++ b/arch/x86/include/asm/cpu.h
@@ -32,6 +32,6 @@
 
 DECLARE_PER_CPU(int, cpu_state);
 
-int __cpuinit mwait_usable(const struct cpuinfo_x86 *);
+int mwait_usable(const struct cpuinfo_x86 *);
 
 #endif /* _ASM_X86_CPU_H */
diff --git a/arch/x86/include/asm/perf_event_p4.h b/arch/x86/include/asm/perf_event_p4.h
index e2f6a99..cc29086 100644
--- a/arch/x86/include/asm/perf_event_p4.h
+++ b/arch/x86/include/asm/perf_event_p4.h
@@ -22,6 +22,7 @@
 
 #define ARCH_P4_CNTRVAL_BITS	(40)
 #define ARCH_P4_CNTRVAL_MASK	((1ULL << ARCH_P4_CNTRVAL_BITS) - 1)
+#define ARCH_P4_UNFLAGGED_BIT	((1ULL) << (ARCH_P4_CNTRVAL_BITS - 1))
 
 #define P4_ESCR_EVENT_MASK	0x7e000000U
 #define P4_ESCR_EVENT_SHIFT	25
diff --git a/arch/x86/include/asm/smpboot_hooks.h b/arch/x86/include/asm/smpboot_hooks.h
index 6c22bf3..725b778 100644
--- a/arch/x86/include/asm/smpboot_hooks.h
+++ b/arch/x86/include/asm/smpboot_hooks.h
@@ -34,7 +34,7 @@
 	 */
 	CMOS_WRITE(0, 0xf);
 
-	*((volatile long *)phys_to_virt(apic->trampoline_phys_low)) = 0;
+	*((volatile u32 *)phys_to_virt(apic->trampoline_phys_low)) = 0;
 }
 
 static inline void __init smpboot_setup_io_apic(void)
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index b3a7113..3e6e2d6 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -72,6 +72,7 @@
 int acpi_sci_override_gsi __initdata;
 int acpi_skip_timer_override __initdata;
 int acpi_use_timer_override __initdata;
+int acpi_fix_pin2_polarity __initdata;
 
 #ifdef CONFIG_X86_LOCAL_APIC
 static u64 acpi_lapic_addr __initdata = APIC_DEFAULT_PHYS_BASE;
@@ -415,10 +416,15 @@
 		return 0;
 	}
 
-	if (acpi_skip_timer_override &&
-	    intsrc->source_irq == 0 && intsrc->global_irq == 2) {
-		printk(PREFIX "BIOS IRQ0 pin2 override ignored.\n");
-		return 0;
+	if (intsrc->source_irq == 0 && intsrc->global_irq == 2) {
+		if (acpi_skip_timer_override) {
+			printk(PREFIX "BIOS IRQ0 pin2 override ignored.\n");
+			return 0;
+		}
+		if (acpi_fix_pin2_polarity && (intsrc->inti_flags & ACPI_MADT_POLARITY_MASK)) {
+			intsrc->inti_flags &= ~ACPI_MADT_POLARITY_MASK;
+			printk(PREFIX "BIOS IRQ0 pin2 override: forcing polarity to high active.\n");
+		}
 	}
 
 	mp_override_legacy_irq(intsrc->source_irq,
diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c
index 4d9ebba..68d1537 100644
--- a/arch/x86/kernel/acpi/sleep.c
+++ b/arch/x86/kernel/acpi/sleep.c
@@ -12,10 +12,8 @@
 #include <linux/cpumask.h>
 #include <asm/segment.h>
 #include <asm/desc.h>
-
-#ifdef CONFIG_X86_32
 #include <asm/pgtable.h>
-#endif
+#include <asm/cacheflush.h>
 
 #include "realmode/wakeup.h"
 #include "sleep.h"
@@ -149,6 +147,15 @@
 	memblock_x86_reserve_range(mem, mem + WAKEUP_SIZE, "ACPI WAKEUP");
 }
 
+int __init acpi_configure_wakeup_memory(void)
+{
+	if (acpi_realmode)
+		set_memory_x(acpi_realmode, WAKEUP_SIZE >> PAGE_SHIFT);
+
+	return 0;
+}
+arch_initcall(acpi_configure_wakeup_memory);
+
 
 static int __init acpi_sleep_setup(char *str)
 {
diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index 1236085..7038b95 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -671,7 +671,7 @@
 
 	atomic_set(&stop_machine_first, 1);
 	wrote_text = 0;
-	stop_machine(stop_machine_text_poke, (void *)&tpp, NULL);
+	__stop_machine(stop_machine_text_poke, (void *)&tpp, NULL);
 }
 
 #if defined(CONFIG_DYNAMIC_FTRACE) || defined(HAVE_JUMP_LABEL)
diff --git a/arch/x86/kernel/apb_timer.c b/arch/x86/kernel/apb_timer.c
index 51ef31a..51d4e16 100644
--- a/arch/x86/kernel/apb_timer.c
+++ b/arch/x86/kernel/apb_timer.c
@@ -284,7 +284,7 @@
 	memcpy(&adev->evt, &apbt_clockevent, sizeof(struct clock_event_device));
 
 	if (mrst_timer_options == MRST_TIMER_LAPIC_APBT) {
-		apbt_clockevent.rating = APBT_CLOCKEVENT_RATING - 100;
+		adev->evt.rating = APBT_CLOCKEVENT_RATING - 100;
 		global_clock_event = &adev->evt;
 		printk(KERN_DEBUG "%s clockevent registered as global\n",
 		       global_clock_event->name);
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 06c196d..76b96d7 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -1381,12 +1381,17 @@
 #endif
 
 	apic_pm_activate();
+}
+
+void __init bsp_end_local_APIC_setup(void)
+{
+	end_local_APIC_setup();
 
 	/*
 	 * Now that local APIC setup is completed for BP, configure the fault
 	 * handling for interrupt remapping.
 	 */
-	if (!smp_processor_id() && intr_remapping_enabled)
+	if (intr_remapping_enabled)
 		enable_drhd_fault_handling();
 
 }
@@ -1756,7 +1761,7 @@
 		enable_IO_APIC();
 #endif
 
-	end_local_APIC_setup();
+	bsp_end_local_APIC_setup();
 
 #ifdef CONFIG_X86_IO_APIC
 	if (smp_found_config && !skip_ioapic_setup && nr_ioapics)
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 697dc34..ca9e2a35 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -4002,6 +4002,9 @@
 {
 	int i = 0;
 
+	if (nr_ioapics == 0)
+		return -1;
+
 	/* Find the IOAPIC that manages this GSI. */
 	for (i = 0; i < nr_ioapics; i++) {
 		if ((gsi >= mp_gsi_routing[i].gsi_base)
diff --git a/arch/x86/kernel/cpu/perf_event_p4.c b/arch/x86/kernel/cpu/perf_event_p4.c
index f7a0993..ff751a9 100644
--- a/arch/x86/kernel/cpu/perf_event_p4.c
+++ b/arch/x86/kernel/cpu/perf_event_p4.c
@@ -770,9 +770,14 @@
 		return 1;
 	}
 
-	/* it might be unflagged overflow */
-	rdmsrl(hwc->event_base + hwc->idx, v);
-	if (!(v & ARCH_P4_CNTRVAL_MASK))
+	/*
+	 * In some circumstances the overflow might issue an NMI but did
+	 * not set P4_CCCR_OVF bit. Because a counter holds a negative value
+	 * we simply check for high bit being set, if it's cleared it means
+	 * the counter has reached zero value and continued counting before
+	 * real NMI signal was received:
+	 */
+	if (!(v & ARCH_P4_UNFLAGGED_BIT))
 		return 1;
 
 	return 0;
diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c
index 76b8cd9..9efbdcc 100644
--- a/arch/x86/kernel/early-quirks.c
+++ b/arch/x86/kernel/early-quirks.c
@@ -143,15 +143,10 @@
 
 static u32 __init ati_sbx00_rev(int num, int slot, int func)
 {
-	u32 old, d;
+	u32 d;
 
-	d = read_pci_config(num, slot, func, 0x70);
-	old = d;
-	d &= ~(1<<8);
-	write_pci_config(num, slot, func, 0x70, d);
 	d = read_pci_config(num, slot, func, 0x8);
 	d &= 0xff;
-	write_pci_config(num, slot, func, 0x70, old);
 
 	return d;
 }
@@ -160,11 +155,14 @@
 {
 	u32 d, rev;
 
-	if (acpi_use_timer_override)
+	rev = ati_sbx00_rev(num, slot, func);
+	if (rev >= 0x40)
+		acpi_fix_pin2_polarity = 1;
+
+	if (rev > 0x13)
 		return;
 
-	rev = ati_sbx00_rev(num, slot, func);
-	if (rev > 0x13)
+	if (acpi_use_timer_override)
 		return;
 
 	/* check for IRQ0 interrupt swap */
diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c
index 52945da..387b6a0 100644
--- a/arch/x86/kernel/irq.c
+++ b/arch/x86/kernel/irq.c
@@ -367,7 +367,8 @@
 		if (irr  & (1 << (vector % 32))) {
 			irq = __this_cpu_read(vector_irq[vector]);
 
-			data = irq_get_irq_data(irq);
+			desc = irq_to_desc(irq);
+			data = &desc->irq_data;
 			raw_spin_lock(&desc->lock);
 			if (data->chip->irq_retrigger)
 				data->chip->irq_retrigger(data);
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index e764fc0..ff45541 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -92,21 +92,31 @@
 
 void show_regs_common(void)
 {
-	const char *board, *product;
+	const char *vendor, *product, *board;
 
-	board = dmi_get_system_info(DMI_BOARD_NAME);
-	if (!board)
-		board = "";
+	vendor = dmi_get_system_info(DMI_SYS_VENDOR);
+	if (!vendor)
+		vendor = "";
 	product = dmi_get_system_info(DMI_PRODUCT_NAME);
 	if (!product)
 		product = "";
 
+	/* Board Name is optional */
+	board = dmi_get_system_info(DMI_BOARD_NAME);
+
 	printk(KERN_CONT "\n");
-	printk(KERN_DEFAULT "Pid: %d, comm: %.20s %s %s %.*s %s/%s\n",
+	printk(KERN_DEFAULT "Pid: %d, comm: %.20s %s %s %.*s",
 		current->pid, current->comm, print_tainted(),
 		init_utsname()->release,
 		(int)strcspn(init_utsname()->version, " "),
-		init_utsname()->version, board, product);
+		init_utsname()->version);
+	printk(KERN_CONT " ");
+	printk(KERN_CONT "%s %s", vendor, product);
+	if (board) {
+		printk(KERN_CONT "/");
+		printk(KERN_CONT "%s", board);
+	}
+	printk(KERN_CONT "\n");
 }
 
 void flush_thread(void)
@@ -506,7 +516,7 @@
 #define MWAIT_ECX_EXTENDED_INFO		0x01
 #define MWAIT_EDX_C1			0xf0
 
-int __cpuinit mwait_usable(const struct cpuinfo_x86 *c)
+int mwait_usable(const struct cpuinfo_x86 *c)
 {
 	u32 eax, ebx, ecx, edx;
 
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index fc7aae1..715037c 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -285,6 +285,14 @@
 			DMI_MATCH(DMI_BOARD_NAME, "P4S800"),
 		},
 	},
+	{	/* Handle problems with rebooting on VersaLogic Menlow boards */
+		.callback = set_bios_reboot,
+		.ident = "VersaLogic Menlow based board",
+		.matches = {
+			DMI_MATCH(DMI_BOARD_VENDOR, "VersaLogic Corporation"),
+			DMI_MATCH(DMI_BOARD_NAME, "VersaLogic Menlow board"),
+		},
+	},
 	{ }
 };
 
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 03273b6..08776a9 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -1060,7 +1060,7 @@
 
 		connect_bsp_APIC();
 		setup_local_APIC();
-		end_local_APIC_setup();
+		bsp_end_local_APIC_setup();
 		return -1;
 	}
 
@@ -1137,7 +1137,7 @@
 	if (!skip_ioapic_setup && nr_ioapics)
 		enable_IO_APIC();
 
-	end_local_APIC_setup();
+	bsp_end_local_APIC_setup();
 
 	map_cpu_to_logical_apicid();
 
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 25bd1bc..63fec15 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1150,8 +1150,8 @@
 	kvm_load_ldt(svm->host.ldt);
 #ifdef CONFIG_X86_64
 	loadsegment(fs, svm->host.fs);
-	load_gs_index(svm->host.gs);
 	wrmsrl(MSR_KERNEL_GS_BASE, current->thread.gs);
+	load_gs_index(svm->host.gs);
 #else
 	loadsegment(gs, svm->host.gs);
 #endif
@@ -2777,6 +2777,8 @@
 			kvm_register_write(&svm->vcpu, reg, val);
 	}
 
+	skip_emulated_instruction(&svm->vcpu);
+
 	return 1;
 }
 
diff --git a/block/blk-throttle.c b/block/blk-throttle.c
index 381b09b..a89043a 100644
--- a/block/blk-throttle.c
+++ b/block/blk-throttle.c
@@ -168,7 +168,15 @@
 	 * tree of blkg (instead of traversing through hash list all
 	 * the time.
 	 */
-	tg = tg_of_blkg(blkiocg_lookup_group(blkcg, key));
+
+	/*
+	 * This is the common case when there are no blkio cgroups.
+ 	 * Avoid lookup in this case
+ 	 */
+	if (blkcg == &blkio_root_cgroup)
+		tg = &td->root_tg;
+	else
+		tg = tg_of_blkg(blkiocg_lookup_group(blkcg, key));
 
 	/* Fill in device details for root group */
 	if (tg && !tg->blkg.dev && bdi->dev && dev_name(bdi->dev)) {
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 501ffdf..7be4c79 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -599,7 +599,7 @@
 }
 
 static inline unsigned
-cfq_scaled_group_slice(struct cfq_data *cfqd, struct cfq_queue *cfqq)
+cfq_scaled_cfqq_slice(struct cfq_data *cfqd, struct cfq_queue *cfqq)
 {
 	unsigned slice = cfq_prio_to_slice(cfqd, cfqq);
 	if (cfqd->cfq_latency) {
@@ -631,7 +631,7 @@
 static inline void
 cfq_set_prio_slice(struct cfq_data *cfqd, struct cfq_queue *cfqq)
 {
-	unsigned slice = cfq_scaled_group_slice(cfqd, cfqq);
+	unsigned slice = cfq_scaled_cfqq_slice(cfqd, cfqq);
 
 	cfqq->slice_start = jiffies;
 	cfqq->slice_end = jiffies + slice;
@@ -1671,7 +1671,7 @@
 	 */
 	if (timed_out) {
 		if (cfq_cfqq_slice_new(cfqq))
-			cfqq->slice_resid = cfq_scaled_group_slice(cfqd, cfqq);
+			cfqq->slice_resid = cfq_scaled_cfqq_slice(cfqd, cfqq);
 		else
 			cfqq->slice_resid = cfqq->slice_end - jiffies;
 		cfq_log_cfqq(cfqd, cfqq, "resid=%ld", cfqq->slice_resid);
@@ -3432,6 +3432,10 @@
 {
 	struct cfq_io_context *cic = cfqd->active_cic;
 
+	/* If the queue already has requests, don't wait */
+	if (!RB_EMPTY_ROOT(&cfqq->sort_list))
+		return false;
+
 	/* If there are other queues in the group, don't wait */
 	if (cfqq->cfqg->nr_cfqq > 1)
 		return false;
diff --git a/block/genhd.c b/block/genhd.c
index 6a5b772..cbf1112 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -1355,7 +1355,7 @@
 	struct block_device *bdev = bdget_disk(disk, partno);
 	if (bdev) {
 		fsync_bdev(bdev);
-		res = __invalidate_device(bdev);
+		res = __invalidate_device(bdev, true);
 		bdput(bdev);
 	}
 	return res;
diff --git a/block/ioctl.c b/block/ioctl.c
index 9049d46..1124cd2 100644
--- a/block/ioctl.c
+++ b/block/ioctl.c
@@ -294,9 +294,11 @@
 			return -EINVAL;
 		if (get_user(n, (int __user *) arg))
 			return -EFAULT;
-		if (!(mode & FMODE_EXCL) &&
-		    blkdev_get(bdev, mode | FMODE_EXCL, &bdev) < 0)
-			return -EBUSY;
+		if (!(mode & FMODE_EXCL)) {
+			bdgrab(bdev);
+			if (blkdev_get(bdev, mode | FMODE_EXCL, &bdev) < 0)
+				return -EBUSY;
+		}
 		ret = set_blocksize(bdev, n);
 		if (!(mode & FMODE_EXCL))
 			blkdev_put(bdev, mode | FMODE_EXCL);
diff --git a/drivers/acpi/acpica/evxfgpe.c b/drivers/acpi/acpica/evxfgpe.c
index e9562a7..3b20a34 100644
--- a/drivers/acpi/acpica/evxfgpe.c
+++ b/drivers/acpi/acpica/evxfgpe.c
@@ -212,37 +212,40 @@
 		return_ACPI_STATUS(AE_BAD_PARAMETER);
 	}
 
-	/* Validate wake_device is of type Device */
-
-	device_node = ACPI_CAST_PTR(struct acpi_namespace_node, wake_device);
-	if (device_node->type != ACPI_TYPE_DEVICE) {
-		return_ACPI_STATUS(AE_BAD_PARAMETER);
-	}
-
 	flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
 
 	/* Ensure that we have a valid GPE number */
 
 	gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number);
-	if (gpe_event_info) {
-		/*
-		 * If there is no method or handler for this GPE, then the
-		 * wake_device will be notified whenever this GPE fires (aka
-		 * "implicit notify") Note: The GPE is assumed to be
-		 * level-triggered (for windows compatibility).
-		 */
-		if ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) ==
-		    ACPI_GPE_DISPATCH_NONE) {
-			gpe_event_info->flags =
-			    (ACPI_GPE_DISPATCH_NOTIFY |
-			     ACPI_GPE_LEVEL_TRIGGERED);
-			gpe_event_info->dispatch.device_node = device_node;
-		}
-
-		gpe_event_info->flags |= ACPI_GPE_CAN_WAKE;
-		status = AE_OK;
+	if (!gpe_event_info) {
+		goto unlock_and_exit;
 	}
 
+	/*
+	 * If there is no method or handler for this GPE, then the
+	 * wake_device will be notified whenever this GPE fires (aka
+	 * "implicit notify") Note: The GPE is assumed to be
+	 * level-triggered (for windows compatibility).
+	 */
+	if (((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) ==
+	      ACPI_GPE_DISPATCH_NONE) && (wake_device != ACPI_ROOT_OBJECT)) {
+
+		/* Validate wake_device is of type Device */
+
+		device_node = ACPI_CAST_PTR(struct acpi_namespace_node,
+					    wake_device);
+		if (device_node->type != ACPI_TYPE_DEVICE) {
+			goto unlock_and_exit;
+		}
+		gpe_event_info->flags = (ACPI_GPE_DISPATCH_NOTIFY |
+					 ACPI_GPE_LEVEL_TRIGGERED);
+		gpe_event_info->dispatch.device_node = device_node;
+	}
+
+	gpe_event_info->flags |= ACPI_GPE_CAN_WAKE;
+	status = AE_OK;
+
+ unlock_and_exit:
 	acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
 	return_ACPI_STATUS(status);
 }
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index b093181..c90c76a 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -636,17 +636,21 @@
 acpi_status
 acpi_os_read_memory(acpi_physical_address phys_addr, u32 * value, u32 width)
 {
-	u32 dummy;
 	void __iomem *virt_addr;
-	int size = width / 8, unmap = 0;
+	unsigned int size = width / 8;
+	bool unmap = false;
+	u32 dummy;
 
 	rcu_read_lock();
 	virt_addr = acpi_map_vaddr_lookup(phys_addr, size);
-	rcu_read_unlock();
 	if (!virt_addr) {
+		rcu_read_unlock();
 		virt_addr = acpi_os_ioremap(phys_addr, size);
-		unmap = 1;
+		if (!virt_addr)
+			return AE_BAD_ADDRESS;
+		unmap = true;
 	}
+
 	if (!value)
 		value = &dummy;
 
@@ -666,6 +670,8 @@
 
 	if (unmap)
 		iounmap(virt_addr);
+	else
+		rcu_read_unlock();
 
 	return AE_OK;
 }
@@ -674,14 +680,17 @@
 acpi_os_write_memory(acpi_physical_address phys_addr, u32 value, u32 width)
 {
 	void __iomem *virt_addr;
-	int size = width / 8, unmap = 0;
+	unsigned int size = width / 8;
+	bool unmap = false;
 
 	rcu_read_lock();
 	virt_addr = acpi_map_vaddr_lookup(phys_addr, size);
-	rcu_read_unlock();
 	if (!virt_addr) {
+		rcu_read_unlock();
 		virt_addr = acpi_os_ioremap(phys_addr, size);
-		unmap = 1;
+		if (!virt_addr)
+			return AE_BAD_ADDRESS;
+		unmap = true;
 	}
 
 	switch (width) {
@@ -700,6 +709,8 @@
 
 	if (unmap)
 		iounmap(virt_addr);
+	else
+		rcu_read_unlock();
 
 	return AE_OK;
 }
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index 42d3d72..5af3479 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -82,6 +82,11 @@
 	if (!device)
 		return 0;
 
+	/* Is this device able to support video switching ? */
+	if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_DOD", &h_dummy)) ||
+	    ACPI_SUCCESS(acpi_get_handle(device->handle, "_DOS", &h_dummy)))
+		video_caps |= ACPI_VIDEO_OUTPUT_SWITCHING;
+
 	/* Is this device able to retrieve a video ROM ? */
 	if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_ROM", &h_dummy)))
 		video_caps |= ACPI_VIDEO_ROM_AVAILABLE;
diff --git a/drivers/acpi/wakeup.c b/drivers/acpi/wakeup.c
index ed65014..7bfbe40 100644
--- a/drivers/acpi/wakeup.c
+++ b/drivers/acpi/wakeup.c
@@ -86,8 +86,12 @@
 		struct acpi_device *dev = container_of(node,
 						       struct acpi_device,
 						       wakeup_list);
-		if (device_can_wakeup(&dev->dev))
+		if (device_can_wakeup(&dev->dev)) {
+			/* Button GPEs are supposed to be always enabled. */
+			acpi_enable_gpe(dev->wakeup.gpe_device,
+					dev->wakeup.gpe_number);
 			device_set_wakeup_enable(&dev->dev, true);
+		}
 	}
 	mutex_unlock(&acpi_device_lock);
 	return 0;
diff --git a/drivers/atm/solos-pci.c b/drivers/atm/solos-pci.c
index 73fb1c4..25ef1a4 100644
--- a/drivers/atm/solos-pci.c
+++ b/drivers/atm/solos-pci.c
@@ -866,8 +866,9 @@
 	}
 
 	skb = alloc_skb(sizeof(*header), GFP_ATOMIC);
-	if (!skb && net_ratelimit()) {
-		dev_warn(&card->dev->dev, "Failed to allocate sk_buff in popen()\n");
+	if (!skb) {
+		if (net_ratelimit())
+			dev_warn(&card->dev->dev, "Failed to allocate sk_buff in popen()\n");
 		return -ENOMEM;
 	}
 	header = (void *)skb_put(skb, sizeof(*header));
diff --git a/drivers/block/Makefile b/drivers/block/Makefile
index d7f463d..40528ba 100644
--- a/drivers/block/Makefile
+++ b/drivers/block/Makefile
@@ -39,4 +39,4 @@
 obj-$(CONFIG_BLK_DEV_DRBD)     += drbd/
 obj-$(CONFIG_BLK_DEV_RBD)     += rbd.o
 
-swim_mod-objs	:= swim.o swim_asm.o
+swim_mod-y	:= swim.o swim_asm.o
diff --git a/drivers/block/aoe/Makefile b/drivers/block/aoe/Makefile
index e76d997..06ea82c 100644
--- a/drivers/block/aoe/Makefile
+++ b/drivers/block/aoe/Makefile
@@ -3,4 +3,4 @@
 #
 
 obj-$(CONFIG_ATA_OVER_ETH)	+= aoe.o
-aoe-objs := aoeblk.o aoechr.o aoecmd.o aoedev.o aoemain.o aoenet.o
+aoe-y := aoeblk.o aoechr.o aoecmd.o aoedev.o aoemain.o aoenet.o
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 516d5bb..9279272 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -2833,7 +2833,7 @@
 	sector_t total_size;
 	InquiryData_struct *inq_buff = NULL;
 
-	for (logvol = 0; logvol < CISS_MAX_LUN; logvol++) {
+	for (logvol = 0; logvol <= h->highest_lun; logvol++) {
 		if (!h->drv[logvol])
 			continue;
 		if (memcmp(h->drv[logvol]->LunID, drv->LunID,
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index b9ba04f..77fc76f 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -3281,7 +3281,7 @@
 			struct block_device *bdev = opened_bdev[cnt];
 			if (!bdev || ITYPE(drive_state[cnt].fd_device) != type)
 				continue;
-			__invalidate_device(bdev);
+			__invalidate_device(bdev, true);
 		}
 		mutex_unlock(&open_lock);
 	} else {
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 44e18c0..49e6a54 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -1641,6 +1641,9 @@
 
 static void loop_free(struct loop_device *lo)
 {
+	if (!lo->lo_queue->queue_lock)
+		lo->lo_queue->queue_lock = &lo->lo_queue->__queue_lock;
+
 	blk_cleanup_queue(lo->lo_queue);
 	put_disk(lo->lo_disk);
 	list_del(&lo->lo_list);
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index a32fb41..e6fc716 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -53,7 +53,6 @@
 #define DBG_BLKDEV      0x0100
 #define DBG_RX          0x0200
 #define DBG_TX          0x0400
-static DEFINE_MUTEX(nbd_mutex);
 static unsigned int debugflags;
 #endif /* NDEBUG */
 
@@ -718,11 +717,9 @@
 	dprintk(DBG_IOCTL, "%s: nbd_ioctl cmd=%s(0x%x) arg=%lu\n",
 			lo->disk->disk_name, ioctl_cmd_to_ascii(cmd), cmd, arg);
 
-	mutex_lock(&nbd_mutex);
 	mutex_lock(&lo->tx_lock);
 	error = __nbd_ioctl(bdev, lo, cmd, arg);
 	mutex_unlock(&lo->tx_lock);
-	mutex_unlock(&nbd_mutex);
 
 	return error;
 }
diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c
index a126e61..6dcd55a 100644
--- a/drivers/bluetooth/ath3k.c
+++ b/drivers/bluetooth/ath3k.c
@@ -39,6 +39,11 @@
 	/* Atheros AR3011 with sflash firmware*/
 	{ USB_DEVICE(0x0CF3, 0x3002) },
 
+	/* Atheros AR9285 Malbec with sflash firmware */
+	{ USB_DEVICE(0x03F0, 0x311D) },
+
+	/* Atheros AR5BBU12 with sflash firmware */
+	{ USB_DEVICE(0x0489, 0xE02C) },
 	{ }	/* Terminating entry */
 };
 
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 1da773f8..700a384 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -102,6 +102,12 @@
 	/* Atheros 3011 with sflash firmware */
 	{ USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE },
 
+	/* Atheros AR9285 Malbec with sflash firmware */
+	{ USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
+
+	/* Atheros AR5BBU12 with sflash firmware */
+	{ USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
+
 	/* Broadcom BCM2035 */
 	{ USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
 	{ USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
@@ -826,7 +832,7 @@
 
 	if (hdev->conn_hash.sco_num > 0) {
 		if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
-			err = usb_autopm_get_interface(data->isoc);
+			err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
 			if (err < 0) {
 				clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
 				usb_kill_anchored_urbs(&data->isoc_anchor);
@@ -855,7 +861,7 @@
 
 		__set_isoc_interface(hdev, 0);
 		if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
-			usb_autopm_put_interface(data->isoc);
+			usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
 	}
 }
 
@@ -1038,8 +1044,6 @@
 
 	usb_set_intfdata(intf, data);
 
-	usb_enable_autosuspend(interface_to_usbdev(intf));
-
 	return 0;
 }
 
diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c
index 14033a36..e2c48a7 100644
--- a/drivers/cdrom/cdrom.c
+++ b/drivers/cdrom/cdrom.c
@@ -409,7 +409,8 @@
 	}
 
 	ENSURE(drive_status, CDC_DRIVE_STATUS );
-	ENSURE(media_changed, CDC_MEDIA_CHANGED);
+	if (cdo->check_events == NULL && cdo->media_changed == NULL)
+		*change_capability = ~(CDC_MEDIA_CHANGED | CDC_SELECT_DISC);
 	ENSURE(tray_move, CDC_CLOSE_TRAY | CDC_OPEN_TRAY);
 	ENSURE(lock_door, CDC_LOCK);
 	ENSURE(select_speed, CDC_SELECT_SPEED);
diff --git a/drivers/char/Makefile b/drivers/char/Makefile
index 5bc765d..8238f89 100644
--- a/drivers/char/Makefile
+++ b/drivers/char/Makefile
@@ -30,6 +30,7 @@
 obj-$(CONFIG_AMIGA_BUILTIN_SERIAL) += amiserial.o
 obj-$(CONFIG_SX)		+= sx.o generic_serial.o
 obj-$(CONFIG_RIO)		+= rio/ generic_serial.o
+obj-$(CONFIG_VIRTIO_CONSOLE)	+= virtio_console.o
 obj-$(CONFIG_RAW_DRIVER)	+= raw.o
 obj-$(CONFIG_SGI_SNSC)		+= snsc.o snsc_event.o
 obj-$(CONFIG_MSPEC)		+= mspec.o
diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c
index 9252e85..780498d 100644
--- a/drivers/char/agp/amd64-agp.c
+++ b/drivers/char/agp/amd64-agp.c
@@ -773,18 +773,23 @@
 #else
 			printk(KERN_INFO PFX "You can boot with agp=try_unsupported\n");
 #endif
+			pci_unregister_driver(&agp_amd64_pci_driver);
 			return -ENODEV;
 		}
 
 		/* First check that we have at least one AMD64 NB */
-		if (!pci_dev_present(amd_nb_misc_ids))
+		if (!pci_dev_present(amd_nb_misc_ids)) {
+			pci_unregister_driver(&agp_amd64_pci_driver);
 			return -ENODEV;
+		}
 
 		/* Look for any AGP bridge */
 		agp_amd64_pci_driver.id_table = agp_amd64_pci_promisc_table;
 		err = driver_attach(&agp_amd64_pci_driver.driver);
-		if (err == 0 && agp_bridges_found == 0)
+		if (err == 0 && agp_bridges_found == 0) {
+			pci_unregister_driver(&agp_amd64_pci_driver);
 			err = -ENODEV;
+		}
 	}
 	return err;
 }
diff --git a/drivers/char/agp/intel-agp.h b/drivers/char/agp/intel-agp.h
index c195bfe..5feebe2 100644
--- a/drivers/char/agp/intel-agp.h
+++ b/drivers/char/agp/intel-agp.h
@@ -130,6 +130,7 @@
 #define INTEL_GMCH_GMS_STOLEN_352M	(0xd << 4)
 
 #define I915_IFPADDR    0x60
+#define I830_HIC        0x70
 
 /* Intel 965G registers */
 #define I965_MSAC 0x62
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index fab3d32..0d09b53 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -21,6 +21,7 @@
 #include <linux/kernel.h>
 #include <linux/pagemap.h>
 #include <linux/agp_backend.h>
+#include <linux/delay.h>
 #include <asm/smp.h>
 #include "agp.h"
 #include "intel-agp.h"
@@ -70,12 +71,8 @@
 	u32 __iomem *gtt;		/* I915G */
 	bool clear_fake_agp; /* on first access via agp, fill with scratch */
 	int num_dcache_entries;
-	union {
-		void __iomem *i9xx_flush_page;
-		void *i8xx_flush_page;
-	};
+	void __iomem *i9xx_flush_page;
 	char *i81x_gtt_table;
-	struct page *i8xx_page;
 	struct resource ifp_resource;
 	int resource_valid;
 	struct page *scratch_page;
@@ -722,28 +719,6 @@
 
 static void i830_cleanup(void)
 {
-	if (intel_private.i8xx_flush_page) {
-		kunmap(intel_private.i8xx_flush_page);
-		intel_private.i8xx_flush_page = NULL;
-	}
-
-	__free_page(intel_private.i8xx_page);
-	intel_private.i8xx_page = NULL;
-}
-
-static void intel_i830_setup_flush(void)
-{
-	/* return if we've already set the flush mechanism up */
-	if (intel_private.i8xx_page)
-		return;
-
-	intel_private.i8xx_page = alloc_page(GFP_KERNEL);
-	if (!intel_private.i8xx_page)
-		return;
-
-	intel_private.i8xx_flush_page = kmap(intel_private.i8xx_page);
-	if (!intel_private.i8xx_flush_page)
-		i830_cleanup();
 }
 
 /* The chipset_flush interface needs to get data that has already been
@@ -758,14 +733,27 @@
  */
 static void i830_chipset_flush(void)
 {
-	unsigned int *pg = intel_private.i8xx_flush_page;
+	unsigned long timeout = jiffies + msecs_to_jiffies(1000);
 
-	memset(pg, 0, 1024);
+	/* Forcibly evict everything from the CPU write buffers.
+	 * clflush appears to be insufficient.
+	 */
+	wbinvd_on_all_cpus();
 
-	if (cpu_has_clflush)
-		clflush_cache_range(pg, 1024);
-	else if (wbinvd_on_all_cpus() != 0)
-		printk(KERN_ERR "Timed out waiting for cache flush.\n");
+	/* Now we've only seen documents for this magic bit on 855GM,
+	 * we hope it exists for the other gen2 chipsets...
+	 *
+	 * Also works as advertised on my 845G.
+	 */
+	writel(readl(intel_private.registers+I830_HIC) | (1<<31),
+	       intel_private.registers+I830_HIC);
+
+	while (readl(intel_private.registers+I830_HIC) & (1<<31)) {
+		if (time_after(jiffies, timeout))
+			break;
+
+		udelay(50);
+	}
 }
 
 static void i830_write_entry(dma_addr_t addr, unsigned int entry,
@@ -849,8 +837,6 @@
 
 	intel_private.gtt_bus_addr = reg_addr + I810_PTE_BASE;
 
-	intel_i830_setup_flush();
-
 	return 0;
 }
 
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index b6ae6e9..7855f9f 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -320,6 +320,7 @@
 static int add_smi(struct smi_info *smi);
 static int try_smi_init(struct smi_info *smi);
 static void cleanup_one_si(struct smi_info *to_clean);
+static void cleanup_ipmi_si(void);
 
 static ATOMIC_NOTIFIER_HEAD(xaction_notifier_list);
 static int register_xaction_notifier(struct notifier_block *nb)
@@ -3450,16 +3451,7 @@
 	mutex_lock(&smi_infos_lock);
 	if (unload_when_empty && list_empty(&smi_infos)) {
 		mutex_unlock(&smi_infos_lock);
-#ifdef CONFIG_PCI
-		if (pci_registered)
-			pci_unregister_driver(&ipmi_pci_driver);
-#endif
-
-#ifdef CONFIG_PPC_OF
-		if (of_registered)
-			of_unregister_platform_driver(&ipmi_of_platform_driver);
-#endif
-		driver_unregister(&ipmi_driver.driver);
+		cleanup_ipmi_si();
 		printk(KERN_WARNING PFX
 		       "Unable to find any System Interface(s)\n");
 		return -ENODEV;
diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c
index 777181a..bcbbc71 100644
--- a/drivers/char/pcmcia/cm4000_cs.c
+++ b/drivers/char/pcmcia/cm4000_cs.c
@@ -830,8 +830,7 @@
 			    test_bit(IS_ANY_T1, &dev->flags))) {
 				DEBUGP(4, dev, "Perform AUTOPPS\n");
 				set_bit(IS_AUTOPPS_ACT, &dev->flags);
-				ptsreq.protocol = ptsreq.protocol =
-				    (0x01 << dev->proto);
+				ptsreq.protocol = (0x01 << dev->proto);
 				ptsreq.flags = 0x01;
 				ptsreq.pts1 = 0x00;
 				ptsreq.pts2 = 0x00;
diff --git a/drivers/char/pcmcia/ipwireless/main.c b/drivers/char/pcmcia/ipwireless/main.c
index 94b8eb4..444155a 100644
--- a/drivers/char/pcmcia/ipwireless/main.c
+++ b/drivers/char/pcmcia/ipwireless/main.c
@@ -78,7 +78,6 @@
 static int ipwireless_probe(struct pcmcia_device *p_dev, void *priv_data)
 {
 	struct ipw_dev *ipw = priv_data;
-	struct resource *io_resource;
 	int ret;
 
 	p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH;
@@ -92,9 +91,12 @@
 	if (ret)
 		return ret;
 
-	io_resource = request_region(p_dev->resource[0]->start,
-				resource_size(p_dev->resource[0]),
-				IPWIRELESS_PCCARD_NAME);
+	if (!request_region(p_dev->resource[0]->start,
+			    resource_size(p_dev->resource[0]),
+			    IPWIRELESS_PCCARD_NAME)) {
+		ret = -EBUSY;
+		goto exit;
+	}
 
 	p_dev->resource[2]->flags |=
 		WIN_DATA_WIDTH_16 | WIN_MEMORY_TYPE_CM | WIN_ENABLE;
@@ -105,22 +107,25 @@
 
 	ret = pcmcia_map_mem_page(p_dev, p_dev->resource[2], p_dev->card_addr);
 	if (ret != 0)
-		goto exit2;
+		goto exit1;
 
 	ipw->is_v2_card = resource_size(p_dev->resource[2]) == 0x100;
 
-	ipw->attr_memory = ioremap(p_dev->resource[2]->start,
+	ipw->common_memory = ioremap(p_dev->resource[2]->start,
 				resource_size(p_dev->resource[2]));
-	request_mem_region(p_dev->resource[2]->start,
-			resource_size(p_dev->resource[2]),
-			IPWIRELESS_PCCARD_NAME);
+	if (!request_mem_region(p_dev->resource[2]->start,
+				resource_size(p_dev->resource[2]),
+				IPWIRELESS_PCCARD_NAME)) {
+		ret = -EBUSY;
+		goto exit2;
+	}
 
 	p_dev->resource[3]->flags |= WIN_DATA_WIDTH_16 | WIN_MEMORY_TYPE_AM |
 					WIN_ENABLE;
 	p_dev->resource[3]->end = 0; /* this used to be 0x1000 */
 	ret = pcmcia_request_window(p_dev, p_dev->resource[3], 0);
 	if (ret != 0)
-		goto exit2;
+		goto exit3;
 
 	ret = pcmcia_map_mem_page(p_dev, p_dev->resource[3], 0);
 	if (ret != 0)
@@ -128,23 +133,28 @@
 
 	ipw->attr_memory = ioremap(p_dev->resource[3]->start,
 				resource_size(p_dev->resource[3]));
-	request_mem_region(p_dev->resource[3]->start,
-			resource_size(p_dev->resource[3]),
-			IPWIRELESS_PCCARD_NAME);
+	if (!request_mem_region(p_dev->resource[3]->start,
+				resource_size(p_dev->resource[3]),
+				IPWIRELESS_PCCARD_NAME)) {
+		ret = -EBUSY;
+		goto exit4;
+	}
 
 	return 0;
 
+exit4:
+	iounmap(ipw->attr_memory);
 exit3:
+	release_mem_region(p_dev->resource[2]->start,
+			resource_size(p_dev->resource[2]));
 exit2:
-	if (ipw->common_memory) {
-		release_mem_region(p_dev->resource[2]->start,
-				resource_size(p_dev->resource[2]));
-		iounmap(ipw->common_memory);
-	}
+	iounmap(ipw->common_memory);
 exit1:
-	release_resource(io_resource);
+	release_region(p_dev->resource[0]->start,
+		       resource_size(p_dev->resource[0]));
+exit:
 	pcmcia_disable_device(p_dev);
-	return -1;
+	return ret;
 }
 
 static int config_ipwireless(struct ipw_dev *ipw)
@@ -219,6 +229,8 @@
 
 static void release_ipwireless(struct ipw_dev *ipw)
 {
+	release_region(ipw->link->resource[0]->start,
+		       resource_size(ipw->link->resource[0]));
 	if (ipw->common_memory) {
 		release_mem_region(ipw->link->resource[2]->start,
 				resource_size(ipw->link->resource[2]));
diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index 36e0fa1..1f46f1c 100644
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -364,14 +364,12 @@
 		    tpm_protected_ordinal_duration[ordinal &
 						   TPM_PROTECTED_ORDINAL_MASK];
 
-	if (duration_idx != TPM_UNDEFINED) {
+	if (duration_idx != TPM_UNDEFINED)
 		duration = chip->vendor.duration[duration_idx];
-		/* if duration is 0, it's because chip->vendor.duration wasn't */
-		/* filled yet, so we set the lowest timeout just to give enough */
-		/* time for tpm_get_timeouts() to succeed */
-		return (duration <= 0 ? HZ : duration);
-	} else
+	if (duration <= 0)
 		return 2 * 60 * HZ;
+	else
+		return duration;
 }
 EXPORT_SYMBOL_GPL(tpm_calc_ordinal_duration);
 
diff --git a/drivers/tty/hvc/virtio_console.c b/drivers/char/virtio_console.c
similarity index 98%
rename from drivers/tty/hvc/virtio_console.c
rename to drivers/char/virtio_console.c
index 896a2ce..4903931 100644
--- a/drivers/tty/hvc/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -1,6 +1,7 @@
 /*
  * Copyright (C) 2006, 2007, 2009 Rusty Russell, IBM Corporation
- * Copyright (C) 2009, 2010 Red Hat, Inc.
+ * Copyright (C) 2009, 2010, 2011 Red Hat, Inc.
+ * Copyright (C) 2009, 2010, 2011 Amit Shah <amit.shah@redhat.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -31,7 +32,7 @@
 #include <linux/virtio_console.h>
 #include <linux/wait.h>
 #include <linux/workqueue.h>
-#include "hvc_console.h"
+#include "../tty/hvc/hvc_console.h"
 
 /*
  * This is a global struct for storing common data for all the devices
@@ -1462,6 +1463,17 @@
 	spin_unlock(&portdev->cvq_lock);
 }
 
+static void out_intr(struct virtqueue *vq)
+{
+	struct port *port;
+
+	port = find_port_by_vq(vq->vdev->priv, vq);
+	if (!port)
+		return;
+
+	wake_up_interruptible(&port->waitqueue);
+}
+
 static void in_intr(struct virtqueue *vq)
 {
 	struct port *port;
@@ -1566,7 +1578,7 @@
 	 */
 	j = 0;
 	io_callbacks[j] = in_intr;
-	io_callbacks[j + 1] = NULL;
+	io_callbacks[j + 1] = out_intr;
 	io_names[j] = "input";
 	io_names[j + 1] = "output";
 	j += 2;
@@ -1580,7 +1592,7 @@
 		for (i = 1; i < nr_ports; i++) {
 			j += 2;
 			io_callbacks[j] = in_intr;
-			io_callbacks[j + 1] = NULL;
+			io_callbacks[j + 1] = out_intr;
 			io_names[j] = "input";
 			io_names[j + 1] = "output";
 		}
diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c
index 297f48b..07bca49 100644
--- a/drivers/dma/amba-pl08x.c
+++ b/drivers/dma/amba-pl08x.c
@@ -79,6 +79,7 @@
 #include <linux/module.h>
 #include <linux/interrupt.h>
 #include <linux/slab.h>
+#include <linux/delay.h>
 #include <linux/dmapool.h>
 #include <linux/dmaengine.h>
 #include <linux/amba/bus.h>
@@ -235,16 +236,19 @@
 }
 
 /*
- * Overall DMAC remains enabled always.
+ * Pause the channel by setting the HALT bit.
  *
- * Disabling individual channels could lose data.
+ * For M->P transfers, pause the DMAC first and then stop the peripheral -
+ * the FIFO can only drain if the peripheral is still requesting data.
+ * (note: this can still timeout if the DMAC FIFO never drains of data.)
  *
- * Disable the peripheral DMA after disabling the DMAC in order to allow
- * the DMAC FIFO to drain, and hence allow the channel to show inactive
+ * For P->M transfers, disable the peripheral first to stop it filling
+ * the DMAC FIFO, and then pause the DMAC.
  */
 static void pl08x_pause_phy_chan(struct pl08x_phy_chan *ch)
 {
 	u32 val;
+	int timeout;
 
 	/* Set the HALT bit and wait for the FIFO to drain */
 	val = readl(ch->base + PL080_CH_CONFIG);
@@ -252,8 +256,13 @@
 	writel(val, ch->base + PL080_CH_CONFIG);
 
 	/* Wait for channel inactive */
-	while (pl08x_phy_channel_busy(ch))
-		cpu_relax();
+	for (timeout = 1000; timeout; timeout--) {
+		if (!pl08x_phy_channel_busy(ch))
+			break;
+		udelay(1);
+	}
+	if (pl08x_phy_channel_busy(ch))
+		pr_err("pl08x: channel%u timeout waiting for pause\n", ch->id);
 }
 
 static void pl08x_resume_phy_chan(struct pl08x_phy_chan *ch)
@@ -267,19 +276,24 @@
 }
 
 
-/* Stops the channel */
-static void pl08x_stop_phy_chan(struct pl08x_phy_chan *ch)
+/*
+ * pl08x_terminate_phy_chan() stops the channel, clears the FIFO and
+ * clears any pending interrupt status.  This should not be used for
+ * an on-going transfer, but as a method of shutting down a channel
+ * (eg, when it's no longer used) or terminating a transfer.
+ */
+static void pl08x_terminate_phy_chan(struct pl08x_driver_data *pl08x,
+	struct pl08x_phy_chan *ch)
 {
-	u32 val;
+	u32 val = readl(ch->base + PL080_CH_CONFIG);
 
-	pl08x_pause_phy_chan(ch);
+	val &= ~(PL080_CONFIG_ENABLE | PL080_CONFIG_ERR_IRQ_MASK |
+	         PL080_CONFIG_TC_IRQ_MASK);
 
-	/* Disable channel */
-	val = readl(ch->base + PL080_CH_CONFIG);
-	val &= ~PL080_CONFIG_ENABLE;
-	val &= ~PL080_CONFIG_ERR_IRQ_MASK;
-	val &= ~PL080_CONFIG_TC_IRQ_MASK;
 	writel(val, ch->base + PL080_CH_CONFIG);
+
+	writel(1 << ch->id, pl08x->base + PL080_ERR_CLEAR);
+	writel(1 << ch->id, pl08x->base + PL080_TC_CLEAR);
 }
 
 static inline u32 get_bytes_in_cctl(u32 cctl)
@@ -404,13 +418,12 @@
 {
 	unsigned long flags;
 
+	spin_lock_irqsave(&ch->lock, flags);
+
 	/* Stop the channel and clear its interrupts */
-	pl08x_stop_phy_chan(ch);
-	writel((1 << ch->id), pl08x->base + PL080_ERR_CLEAR);
-	writel((1 << ch->id), pl08x->base + PL080_TC_CLEAR);
+	pl08x_terminate_phy_chan(pl08x, ch);
 
 	/* Mark it as free */
-	spin_lock_irqsave(&ch->lock, flags);
 	ch->serving = NULL;
 	spin_unlock_irqrestore(&ch->lock, flags);
 }
@@ -1449,7 +1462,7 @@
 		plchan->state = PL08X_CHAN_IDLE;
 
 		if (plchan->phychan) {
-			pl08x_stop_phy_chan(plchan->phychan);
+			pl08x_terminate_phy_chan(pl08x, plchan->phychan);
 
 			/*
 			 * Mark physical channel as free and free any slave
diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c
index e53d438..e18eaab 100644
--- a/drivers/dma/imx-dma.c
+++ b/drivers/dma/imx-dma.c
@@ -49,6 +49,7 @@
 
 struct imxdma_engine {
 	struct device			*dev;
+	struct device_dma_parameters	dma_parms;
 	struct dma_device		dma_device;
 	struct imxdma_channel		channel[MAX_DMA_CHANNELS];
 };
@@ -242,6 +243,21 @@
 	else
 		dmamode = DMA_MODE_WRITE;
 
+	switch (imxdmac->word_size) {
+	case DMA_SLAVE_BUSWIDTH_4_BYTES:
+		if (sgl->length & 3 || sgl->dma_address & 3)
+			return NULL;
+		break;
+	case DMA_SLAVE_BUSWIDTH_2_BYTES:
+		if (sgl->length & 1 || sgl->dma_address & 1)
+			return NULL;
+		break;
+	case DMA_SLAVE_BUSWIDTH_1_BYTE:
+		break;
+	default:
+		return NULL;
+	}
+
 	ret = imx_dma_setup_sg(imxdmac->imxdma_channel, sgl, sg_len,
 		 dma_length, imxdmac->per_address, dmamode);
 	if (ret)
@@ -329,6 +345,9 @@
 
 	INIT_LIST_HEAD(&imxdma->dma_device.channels);
 
+	dma_cap_set(DMA_SLAVE, imxdma->dma_device.cap_mask);
+	dma_cap_set(DMA_CYCLIC, imxdma->dma_device.cap_mask);
+
 	/* Initialize channel parameters */
 	for (i = 0; i < MAX_DMA_CHANNELS; i++) {
 		struct imxdma_channel *imxdmac = &imxdma->channel[i];
@@ -346,11 +365,7 @@
 		imxdmac->imxdma = imxdma;
 		spin_lock_init(&imxdmac->lock);
 
-		dma_cap_set(DMA_SLAVE, imxdma->dma_device.cap_mask);
-		dma_cap_set(DMA_CYCLIC, imxdma->dma_device.cap_mask);
-
 		imxdmac->chan.device = &imxdma->dma_device;
-		imxdmac->chan.chan_id = i;
 		imxdmac->channel = i;
 
 		/* Add the channel to the DMAC list */
@@ -370,6 +385,9 @@
 
 	platform_set_drvdata(pdev, imxdma);
 
+	imxdma->dma_device.dev->dma_parms = &imxdma->dma_parms;
+	dma_set_max_seg_size(imxdma->dma_device.dev, 0xffffff);
+
 	ret = dma_async_device_register(&imxdma->dma_device);
 	if (ret) {
 		dev_err(&pdev->dev, "unable to register\n");
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index d5a5d4d..b6d1455 100644
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -230,7 +230,7 @@
  * struct sdma_channel - housekeeping for a SDMA channel
  *
  * @sdma		pointer to the SDMA engine for this channel
- * @channel		the channel number, matches dmaengine chan_id
+ * @channel		the channel number, matches dmaengine chan_id + 1
  * @direction		transfer type. Needed for setting SDMA script
  * @peripheral_type	Peripheral type. Needed for setting SDMA script
  * @event_id0		aka dma request line
@@ -301,6 +301,7 @@
 
 struct sdma_engine {
 	struct device			*dev;
+	struct device_dma_parameters	dma_parms;
 	struct sdma_channel		channel[MAX_DMA_CHANNELS];
 	struct sdma_channel_control	*channel_control;
 	void __iomem			*regs;
@@ -449,7 +450,7 @@
 		if (bd->mode.status & BD_RROR)
 			sdmac->status = DMA_ERROR;
 		else
-			sdmac->status = DMA_SUCCESS;
+			sdmac->status = DMA_IN_PROGRESS;
 
 		bd->mode.status |= BD_DONE;
 		sdmac->buf_tail++;
@@ -770,15 +771,15 @@
 	__raw_writel(1 << channel, sdma->regs + SDMA_H_START);
 }
 
-static dma_cookie_t sdma_assign_cookie(struct sdma_channel *sdma)
+static dma_cookie_t sdma_assign_cookie(struct sdma_channel *sdmac)
 {
-	dma_cookie_t cookie = sdma->chan.cookie;
+	dma_cookie_t cookie = sdmac->chan.cookie;
 
 	if (++cookie < 0)
 		cookie = 1;
 
-	sdma->chan.cookie = cookie;
-	sdma->desc.cookie = cookie;
+	sdmac->chan.cookie = cookie;
+	sdmac->desc.cookie = cookie;
 
 	return cookie;
 }
@@ -798,7 +799,7 @@
 
 	cookie = sdma_assign_cookie(sdmac);
 
-	sdma_enable_channel(sdma, tx->chan->chan_id);
+	sdma_enable_channel(sdma, sdmac->channel);
 
 	spin_unlock_irq(&sdmac->lock);
 
@@ -811,10 +812,6 @@
 	struct imx_dma_data *data = chan->private;
 	int prio, ret;
 
-	/* No need to execute this for internal channel 0 */
-	if (chan->chan_id == 0)
-		return 0;
-
 	if (!data)
 		return -EINVAL;
 
@@ -879,7 +876,7 @@
 	struct sdma_channel *sdmac = to_sdma_chan(chan);
 	struct sdma_engine *sdma = sdmac->sdma;
 	int ret, i, count;
-	int channel = chan->chan_id;
+	int channel = sdmac->channel;
 	struct scatterlist *sg;
 
 	if (sdmac->status == DMA_IN_PROGRESS)
@@ -924,22 +921,33 @@
 			ret =  -EINVAL;
 			goto err_out;
 		}
-		if (sdmac->word_size == DMA_SLAVE_BUSWIDTH_4_BYTES)
+
+		switch (sdmac->word_size) {
+		case DMA_SLAVE_BUSWIDTH_4_BYTES:
 			bd->mode.command = 0;
-		else
-			bd->mode.command = sdmac->word_size;
+			if (count & 3 || sg->dma_address & 3)
+				return NULL;
+			break;
+		case DMA_SLAVE_BUSWIDTH_2_BYTES:
+			bd->mode.command = 2;
+			if (count & 1 || sg->dma_address & 1)
+				return NULL;
+			break;
+		case DMA_SLAVE_BUSWIDTH_1_BYTE:
+			bd->mode.command = 1;
+			break;
+		default:
+			return NULL;
+		}
 
 		param = BD_DONE | BD_EXTD | BD_CONT;
 
-		if (sdmac->flags & IMX_DMA_SG_LOOP) {
+		if (i + 1 == sg_len) {
 			param |= BD_INTR;
-			if (i + 1 == sg_len)
-				param |= BD_WRAP;
+			param |= BD_LAST;
+			param &= ~BD_CONT;
 		}
 
-		if (i + 1 == sg_len)
-			param |= BD_INTR;
-
 		dev_dbg(sdma->dev, "entry %d: count: %d dma: 0x%08x %s%s\n",
 				i, count, sg->dma_address,
 				param & BD_WRAP ? "wrap" : "",
@@ -953,6 +961,7 @@
 
 	return &sdmac->desc;
 err_out:
+	sdmac->status = DMA_ERROR;
 	return NULL;
 }
 
@@ -963,7 +972,7 @@
 	struct sdma_channel *sdmac = to_sdma_chan(chan);
 	struct sdma_engine *sdma = sdmac->sdma;
 	int num_periods = buf_len / period_len;
-	int channel = chan->chan_id;
+	int channel = sdmac->channel;
 	int ret, i = 0, buf = 0;
 
 	dev_dbg(sdma->dev, "%s channel: %d\n", __func__, channel);
@@ -1066,14 +1075,12 @@
 {
 	struct sdma_channel *sdmac = to_sdma_chan(chan);
 	dma_cookie_t last_used;
-	enum dma_status ret;
 
 	last_used = chan->cookie;
 
-	ret = dma_async_is_complete(cookie, sdmac->last_completed, last_used);
 	dma_set_tx_state(txstate, sdmac->last_completed, last_used, 0);
 
-	return ret;
+	return sdmac->status;
 }
 
 static void sdma_issue_pending(struct dma_chan *chan)
@@ -1135,7 +1142,7 @@
 	/* download the RAM image for SDMA */
 	sdma_load_script(sdma, ram_code,
 			header->ram_code_size,
-			sdma->script_addrs->ram_code_start_addr);
+			addr->ram_code_start_addr);
 	clk_disable(sdma->clk);
 
 	sdma_add_scripts(sdma, addr);
@@ -1237,7 +1244,6 @@
 	struct resource *iores;
 	struct sdma_platform_data *pdata = pdev->dev.platform_data;
 	int i;
-	dma_cap_mask_t mask;
 	struct sdma_engine *sdma;
 
 	sdma = kzalloc(sizeof(*sdma), GFP_KERNEL);
@@ -1280,6 +1286,9 @@
 
 	sdma->version = pdata->sdma_version;
 
+	dma_cap_set(DMA_SLAVE, sdma->dma_device.cap_mask);
+	dma_cap_set(DMA_CYCLIC, sdma->dma_device.cap_mask);
+
 	INIT_LIST_HEAD(&sdma->dma_device.channels);
 	/* Initialize channel parameters */
 	for (i = 0; i < MAX_DMA_CHANNELS; i++) {
@@ -1288,15 +1297,17 @@
 		sdmac->sdma = sdma;
 		spin_lock_init(&sdmac->lock);
 
-		dma_cap_set(DMA_SLAVE, sdma->dma_device.cap_mask);
-		dma_cap_set(DMA_CYCLIC, sdma->dma_device.cap_mask);
-
 		sdmac->chan.device = &sdma->dma_device;
-		sdmac->chan.chan_id = i;
 		sdmac->channel = i;
 
-		/* Add the channel to the DMAC list */
-		list_add_tail(&sdmac->chan.device_node, &sdma->dma_device.channels);
+		/*
+		 * Add the channel to the DMAC list. Do not add channel 0 though
+		 * because we need it internally in the SDMA driver. This also means
+		 * that channel 0 in dmaengine counting matches sdma channel 1.
+		 */
+		if (i)
+			list_add_tail(&sdmac->chan.device_node,
+					&sdma->dma_device.channels);
 	}
 
 	ret = sdma_init(sdma);
@@ -1317,6 +1328,8 @@
 	sdma->dma_device.device_prep_dma_cyclic = sdma_prep_dma_cyclic;
 	sdma->dma_device.device_control = sdma_control;
 	sdma->dma_device.device_issue_pending = sdma_issue_pending;
+	sdma->dma_device.dev->dma_parms = &sdma->dma_parms;
+	dma_set_max_seg_size(sdma->dma_device.dev, 65535);
 
 	ret = dma_async_device_register(&sdma->dma_device);
 	if (ret) {
@@ -1324,13 +1337,6 @@
 		goto err_init;
 	}
 
-	/* request channel 0. This is an internal control channel
-	 * to the SDMA engine and not available to clients.
-	 */
-	dma_cap_zero(mask);
-	dma_cap_set(DMA_SLAVE, mask);
-	dma_request_channel(mask, NULL, NULL);
-
 	dev_info(sdma->dev, "initialized\n");
 
 	return 0;
@@ -1348,7 +1354,7 @@
 err_request_region:
 err_irq:
 	kfree(sdma);
-	return 0;
+	return ret;
 }
 
 static int __exit sdma_remove(struct platform_device *pdev)
diff --git a/drivers/dma/ipu/ipu_idmac.c b/drivers/dma/ipu/ipu_idmac.c
index cb26ee9..c1a125e7 100644
--- a/drivers/dma/ipu/ipu_idmac.c
+++ b/drivers/dma/ipu/ipu_idmac.c
@@ -1145,29 +1145,6 @@
 	reg = idmac_read_icreg(ipu, IDMAC_CHA_EN);
 	idmac_write_icreg(ipu, reg & ~chan_mask, IDMAC_CHA_EN);
 
-	/*
-	 * Problem (observed with channel DMAIC_7): after enabling the channel
-	 * and initialising buffers, there comes an interrupt with current still
-	 * pointing at buffer 0, whereas it should use buffer 0 first and only
-	 * generate an interrupt when it is done, then current should already
-	 * point to buffer 1. This spurious interrupt also comes on channel
-	 * DMASDC_0. With DMAIC_7 normally, is we just leave the ISR after the
-	 * first interrupt, there comes the second with current correctly
-	 * pointing to buffer 1 this time. But sometimes this second interrupt
-	 * doesn't come and the channel hangs. Clearing BUFx_RDY when disabling
-	 * the channel seems to prevent the channel from hanging, but it doesn't
-	 * prevent the spurious interrupt. This might also be unsafe. Think
-	 * about the IDMAC controller trying to switch to a buffer, when we
-	 * clear the ready bit, and re-enable it a moment later.
-	 */
-	reg = idmac_read_ipureg(ipu, IPU_CHA_BUF0_RDY);
-	idmac_write_ipureg(ipu, 0, IPU_CHA_BUF0_RDY);
-	idmac_write_ipureg(ipu, reg & ~(1UL << channel), IPU_CHA_BUF0_RDY);
-
-	reg = idmac_read_ipureg(ipu, IPU_CHA_BUF1_RDY);
-	idmac_write_ipureg(ipu, 0, IPU_CHA_BUF1_RDY);
-	idmac_write_ipureg(ipu, reg & ~(1UL << channel), IPU_CHA_BUF1_RDY);
-
 	spin_unlock_irqrestore(&ipu->lock, flags);
 
 	return 0;
@@ -1246,33 +1223,6 @@
 
 	/* Other interrupts do not interfere with this channel */
 	spin_lock(&ichan->lock);
-	if (unlikely(chan_id != IDMAC_SDC_0 && chan_id != IDMAC_SDC_1 &&
-		     ((curbuf >> chan_id) & 1) == ichan->active_buffer &&
-		     !list_is_last(ichan->queue.next, &ichan->queue))) {
-		int i = 100;
-
-		/* This doesn't help. See comment in ipu_disable_channel() */
-		while (--i) {
-			curbuf = idmac_read_ipureg(&ipu_data, IPU_CHA_CUR_BUF);
-			if (((curbuf >> chan_id) & 1) != ichan->active_buffer)
-				break;
-			cpu_relax();
-		}
-
-		if (!i) {
-			spin_unlock(&ichan->lock);
-			dev_dbg(dev,
-				"IRQ on active buffer on channel %x, active "
-				"%d, ready %x, %x, current %x!\n", chan_id,
-				ichan->active_buffer, ready0, ready1, curbuf);
-			return IRQ_NONE;
-		} else
-			dev_dbg(dev,
-				"Buffer deactivated on channel %x, active "
-				"%d, ready %x, %x, current %x, rest %d!\n", chan_id,
-				ichan->active_buffer, ready0, ready1, curbuf, i);
-	}
-
 	if (unlikely((ichan->active_buffer && (ready1 >> chan_id) & 1) ||
 		     (!ichan->active_buffer && (ready0 >> chan_id) & 1)
 		     )) {
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 4a5ecc5..23e0355 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -826,8 +826,6 @@
 /* Display and decode various NB registers for debug purposes. */
 static void amd64_dump_misc_regs(struct amd64_pvt *pvt)
 {
-	int ganged;
-
 	debugf1("F3xE8 (NB Cap): 0x%08x\n", pvt->nbcap);
 
 	debugf1("  NB two channel DRAM capable: %s\n",
@@ -851,28 +849,19 @@
 	debugf1("  DramHoleValid: %s\n",
 		(pvt->dhar & DHAR_VALID) ? "yes" : "no");
 
+	amd64_debug_display_dimm_sizes(0, pvt);
+
 	/* everything below this point is Fam10h and above */
-	if (boot_cpu_data.x86 == 0xf) {
-		amd64_debug_display_dimm_sizes(0, pvt);
+	if (boot_cpu_data.x86 == 0xf)
 		return;
-	}
+
+	amd64_debug_display_dimm_sizes(1, pvt);
 
 	amd64_info("using %s syndromes.\n", ((pvt->syn_type == 8) ? "x8" : "x4"));
 
 	/* Only if NOT ganged does dclr1 have valid info */
 	if (!dct_ganging_enabled(pvt))
 		amd64_dump_dramcfg_low(pvt->dclr1, 1);
-
-	/*
-	 * Determine if ganged and then dump memory sizes for first controller,
-	 * and if NOT ganged dump info for 2nd controller.
-	 */
-	ganged = dct_ganging_enabled(pvt);
-
-	amd64_debug_display_dimm_sizes(0, pvt);
-
-	if (!ganged)
-		amd64_debug_display_dimm_sizes(1, pvt);
 }
 
 /* Read in both of DBAM registers */
@@ -1644,11 +1633,10 @@
 		       WARN_ON(ctrl != 0);
 	}
 
-	debugf1("F2x%d80 (DRAM Bank Address Mapping): 0x%08x\n",
-		ctrl, ctrl ? pvt->dbam1 : pvt->dbam0);
+	dbam = (ctrl && !dct_ganging_enabled(pvt)) ? pvt->dbam1 : pvt->dbam0;
+	dcsb = (ctrl && !dct_ganging_enabled(pvt)) ? pvt->dcsb1 : pvt->dcsb0;
 
-	dbam = ctrl ? pvt->dbam1 : pvt->dbam0;
-	dcsb = ctrl ? pvt->dcsb1 : pvt->dcsb0;
+	debugf1("F2x%d80 (DRAM Bank Address Mapping): 0x%08x\n", ctrl, dbam);
 
 	edac_printk(KERN_DEBUG, EDAC_MC, "DCT%d chip selects:\n", ctrl);
 
diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c
index e28e41668..bcb1126 100644
--- a/drivers/firmware/dmi_scan.c
+++ b/drivers/firmware/dmi_scan.c
@@ -378,10 +378,17 @@
 
 static void __init dmi_dump_ids(void)
 {
+	const char *board;	/* Board Name is optional */
+
 	printk(KERN_DEBUG "DMI: ");
-	print_filtered(dmi_get_system_info(DMI_BOARD_NAME));
-	printk(KERN_CONT "/");
+	print_filtered(dmi_get_system_info(DMI_SYS_VENDOR));
+	printk(KERN_CONT " ");
 	print_filtered(dmi_get_system_info(DMI_PRODUCT_NAME));
+	board = dmi_get_system_info(DMI_BOARD_NAME);
+	if (board) {
+		printk(KERN_CONT "/");
+		print_filtered(board);
+	}
 	printk(KERN_CONT ", BIOS ");
 	print_filtered(dmi_get_system_info(DMI_BIOS_VERSION));
 	printk(KERN_CONT " ");
diff --git a/drivers/gpio/pca953x.c b/drivers/gpio/pca953x.c
index a261972..b473429e 100644
--- a/drivers/gpio/pca953x.c
+++ b/drivers/gpio/pca953x.c
@@ -60,6 +60,7 @@
 	unsigned gpio_start;
 	uint16_t reg_output;
 	uint16_t reg_direction;
+	struct mutex i2c_lock;
 
 #ifdef CONFIG_GPIO_PCA953X_IRQ
 	struct mutex irq_lock;
@@ -119,13 +120,17 @@
 
 	chip = container_of(gc, struct pca953x_chip, gpio_chip);
 
+	mutex_lock(&chip->i2c_lock);
 	reg_val = chip->reg_direction | (1u << off);
 	ret = pca953x_write_reg(chip, PCA953X_DIRECTION, reg_val);
 	if (ret)
-		return ret;
+		goto exit;
 
 	chip->reg_direction = reg_val;
-	return 0;
+	ret = 0;
+exit:
+	mutex_unlock(&chip->i2c_lock);
+	return ret;
 }
 
 static int pca953x_gpio_direction_output(struct gpio_chip *gc,
@@ -137,6 +142,7 @@
 
 	chip = container_of(gc, struct pca953x_chip, gpio_chip);
 
+	mutex_lock(&chip->i2c_lock);
 	/* set output level */
 	if (val)
 		reg_val = chip->reg_output | (1u << off);
@@ -145,7 +151,7 @@
 
 	ret = pca953x_write_reg(chip, PCA953X_OUTPUT, reg_val);
 	if (ret)
-		return ret;
+		goto exit;
 
 	chip->reg_output = reg_val;
 
@@ -153,10 +159,13 @@
 	reg_val = chip->reg_direction & ~(1u << off);
 	ret = pca953x_write_reg(chip, PCA953X_DIRECTION, reg_val);
 	if (ret)
-		return ret;
+		goto exit;
 
 	chip->reg_direction = reg_val;
-	return 0;
+	ret = 0;
+exit:
+	mutex_unlock(&chip->i2c_lock);
+	return ret;
 }
 
 static int pca953x_gpio_get_value(struct gpio_chip *gc, unsigned off)
@@ -167,7 +176,9 @@
 
 	chip = container_of(gc, struct pca953x_chip, gpio_chip);
 
+	mutex_lock(&chip->i2c_lock);
 	ret = pca953x_read_reg(chip, PCA953X_INPUT, &reg_val);
+	mutex_unlock(&chip->i2c_lock);
 	if (ret < 0) {
 		/* NOTE:  diagnostic already emitted; that's all we should
 		 * do unless gpio_*_value_cansleep() calls become different
@@ -187,6 +198,7 @@
 
 	chip = container_of(gc, struct pca953x_chip, gpio_chip);
 
+	mutex_lock(&chip->i2c_lock);
 	if (val)
 		reg_val = chip->reg_output | (1u << off);
 	else
@@ -194,9 +206,11 @@
 
 	ret = pca953x_write_reg(chip, PCA953X_OUTPUT, reg_val);
 	if (ret)
-		return;
+		goto exit;
 
 	chip->reg_output = reg_val;
+exit:
+	mutex_unlock(&chip->i2c_lock);
 }
 
 static void pca953x_setup_gpio(struct pca953x_chip *chip, int gpios)
@@ -517,6 +531,8 @@
 
 	chip->names = pdata->names;
 
+	mutex_init(&chip->i2c_lock);
+
 	/* initialize cached registers from their original values.
 	 * we can't share this chip with another i2c master.
 	 */
diff --git a/drivers/gpu/drm/drm_info.c b/drivers/gpu/drm/drm_info.c
index 812aaac..ab1162d 100644
--- a/drivers/gpu/drm/drm_info.c
+++ b/drivers/gpu/drm/drm_info.c
@@ -272,17 +272,18 @@
 #endif
 
 	mutex_lock(&dev->struct_mutex);
-	seq_printf(m, "vma use count: %d, high_memory = %p, 0x%08llx\n",
+	seq_printf(m, "vma use count: %d, high_memory = %pK, 0x%pK\n",
 		   atomic_read(&dev->vma_count),
-		   high_memory, (u64)virt_to_phys(high_memory));
+		   high_memory, (void *)virt_to_phys(high_memory));
 
 	list_for_each_entry(pt, &dev->vmalist, head) {
 		vma = pt->vma;
 		if (!vma)
 			continue;
 		seq_printf(m,
-			   "\n%5d 0x%08lx-0x%08lx %c%c%c%c%c%c 0x%08lx000",
-			   pt->pid, vma->vm_start, vma->vm_end,
+			   "\n%5d 0x%pK-0x%pK %c%c%c%c%c%c 0x%08lx000",
+			   pt->pid,
+			   (void *)vma->vm_start, (void *)vma->vm_end,
 			   vma->vm_flags & VM_READ ? 'r' : '-',
 			   vma->vm_flags & VM_WRITE ? 'w' : '-',
 			   vma->vm_flags & VM_EXEC ? 'x' : '-',
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index cb49685..a34ef97 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -154,8 +154,10 @@
 	 * available. In that case we can't account for this and just
 	 * hope for the best.
 	 */
-	if ((vblrc > 0) && (abs(diff_ns) > 1000000))
+	if ((vblrc > 0) && (abs64(diff_ns) > 1000000)) {
 		atomic_inc(&dev->_vblank_count[crtc]);
+		smp_mb__after_atomic_inc();
+	}
 
 	/* Invalidate all timestamps while vblank irq's are off. */
 	clear_vblank_timestamps(dev, crtc);
@@ -481,6 +483,12 @@
 	/* Dot clock in Hz: */
 	dotclock = (u64) crtc->hwmode.clock * 1000;
 
+	/* Fields of interlaced scanout modes are only halve a frame duration.
+	 * Double the dotclock to get halve the frame-/line-/pixelduration.
+	 */
+	if (crtc->hwmode.flags & DRM_MODE_FLAG_INTERLACE)
+		dotclock *= 2;
+
 	/* Valid dotclock? */
 	if (dotclock > 0) {
 		/* Convert scanline length in pixels and video dot clock to
@@ -593,14 +601,6 @@
 		return -EAGAIN;
 	}
 
-	/* Don't know yet how to handle interlaced or
-	 * double scan modes. Just no-op for now.
-	 */
-	if (mode->flags & (DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLSCAN)) {
-		DRM_DEBUG("crtc %d: Noop due to unsupported mode.\n", crtc);
-		return -ENOTSUPP;
-	}
-
 	/* Get current scanout position with system timestamp.
 	 * Repeat query up to DRM_TIMESTAMP_MAXRETRIES times
 	 * if single query takes longer than max_error nanoseconds.
@@ -848,10 +848,11 @@
 	if (rc) {
 		tslot = atomic_read(&dev->_vblank_count[crtc]) + diff;
 		vblanktimestamp(dev, crtc, tslot) = t_vblank;
-		smp_wmb();
 	}
 
+	smp_mb__before_atomic_inc();
 	atomic_add(diff, &dev->_vblank_count[crtc]);
+	smp_mb__after_atomic_inc();
 }
 
 /**
@@ -1001,7 +1002,8 @@
 		    struct drm_file *file_priv)
 {
 	struct drm_modeset_ctl *modeset = data;
-	int crtc, ret = 0;
+	int ret = 0;
+	unsigned int crtc;
 
 	/* If drm_vblank_init() hasn't been called yet, just no-op */
 	if (!dev->num_crtcs)
@@ -1283,15 +1285,16 @@
 	 * e.g., due to spurious vblank interrupts. We need to
 	 * ignore those for accounting.
 	 */
-	if (abs(diff_ns) > DRM_REDUNDANT_VBLIRQ_THRESH_NS) {
+	if (abs64(diff_ns) > DRM_REDUNDANT_VBLIRQ_THRESH_NS) {
 		/* Store new timestamp in ringbuffer. */
 		vblanktimestamp(dev, crtc, vblcount + 1) = tvblank;
-		smp_wmb();
 
 		/* Increment cooked vblank count. This also atomically commits
 		 * the timestamp computed above.
 		 */
+		smp_mb__before_atomic_inc();
 		atomic_inc(&dev->_vblank_count[crtc]);
+		smp_mb__after_atomic_inc();
 	} else {
 		DRM_DEBUG("crtc %d: Redundant vblirq ignored. diff_ns = %d\n",
 			  crtc, (int) diff_ns);
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 3601466..09e0327 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -326,21 +326,21 @@
 	struct intel_crtc *crtc;
 
 	list_for_each_entry(crtc, &dev->mode_config.crtc_list, base.head) {
-		const char *pipe = crtc->pipe ? "B" : "A";
-		const char *plane = crtc->plane ? "B" : "A";
+		const char pipe = pipe_name(crtc->pipe);
+		const char plane = plane_name(crtc->plane);
 		struct intel_unpin_work *work;
 
 		spin_lock_irqsave(&dev->event_lock, flags);
 		work = crtc->unpin_work;
 		if (work == NULL) {
-			seq_printf(m, "No flip due on pipe %s (plane %s)\n",
+			seq_printf(m, "No flip due on pipe %c (plane %c)\n",
 				   pipe, plane);
 		} else {
 			if (!work->pending) {
-				seq_printf(m, "Flip queued on pipe %s (plane %s)\n",
+				seq_printf(m, "Flip queued on pipe %c (plane %c)\n",
 					   pipe, plane);
 			} else {
-				seq_printf(m, "Flip pending (waiting for vsync) on pipe %s (plane %s)\n",
+				seq_printf(m, "Flip pending (waiting for vsync) on pipe %c (plane %c)\n",
 					   pipe, plane);
 			}
 			if (work->enable_stall_check)
@@ -458,7 +458,7 @@
 	struct drm_info_node *node = (struct drm_info_node *) m->private;
 	struct drm_device *dev = node->minor->dev;
 	drm_i915_private_t *dev_priv = dev->dev_private;
-	int ret, i;
+	int ret, i, pipe;
 
 	ret = mutex_lock_interruptible(&dev->struct_mutex);
 	if (ret)
@@ -471,10 +471,10 @@
 			   I915_READ(IIR));
 		seq_printf(m, "Interrupt mask:      %08x\n",
 			   I915_READ(IMR));
-		seq_printf(m, "Pipe A stat:         %08x\n",
-			   I915_READ(PIPEASTAT));
-		seq_printf(m, "Pipe B stat:         %08x\n",
-			   I915_READ(PIPEBSTAT));
+		for_each_pipe(pipe)
+			seq_printf(m, "Pipe %c stat:         %08x\n",
+				   pipe_name(pipe),
+				   I915_READ(PIPESTAT(pipe)));
 	} else {
 		seq_printf(m, "North Display Interrupt enable:		%08x\n",
 			   I915_READ(DEIER));
@@ -544,11 +544,11 @@
 	struct drm_device *dev = node->minor->dev;
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	struct intel_ring_buffer *ring;
-	volatile u32 *hws;
+	const volatile u32 __iomem *hws;
 	int i;
 
 	ring = &dev_priv->ring[(uintptr_t)node->info_ent->data];
-	hws = (volatile u32 *)ring->status_page.page_addr;
+	hws = (volatile u32 __iomem *)ring->status_page.page_addr;
 	if (hws == NULL)
 		return 0;
 
@@ -615,7 +615,7 @@
 	if (!ring->obj) {
 		seq_printf(m, "No ringbuffer setup\n");
 	} else {
-		u8 *virt = ring->virtual_start;
+		const u8 __iomem *virt = ring->virtual_start;
 		uint32_t off;
 
 		for (off = 0; off < ring->size; off += 4) {
@@ -805,15 +805,20 @@
 		}
 	}
 
-	if (error->ringbuffer) {
-		struct drm_i915_error_object *obj = error->ringbuffer;
-
-		seq_printf(m, "--- ringbuffer = 0x%08x\n", obj->gtt_offset);
-		offset = 0;
-		for (page = 0; page < obj->page_count; page++) {
-			for (elt = 0; elt < PAGE_SIZE/4; elt++) {
-				seq_printf(m, "%08x :  %08x\n", offset, obj->pages[page][elt]);
-				offset += 4;
+	for (i = 0; i < ARRAY_SIZE(error->ringbuffer); i++) {
+		if (error->ringbuffer[i]) {
+			struct drm_i915_error_object *obj = error->ringbuffer[i];
+			seq_printf(m, "%s --- ringbuffer = 0x%08x\n",
+				   dev_priv->ring[i].name,
+				   obj->gtt_offset);
+			offset = 0;
+			for (page = 0; page < obj->page_count; page++) {
+				for (elt = 0; elt < PAGE_SIZE/4; elt++) {
+					seq_printf(m, "%08x :  %08x\n",
+						   offset,
+						   obj->pages[page][elt]);
+					offset += 4;
+				}
 			}
 		}
 	}
@@ -862,19 +867,44 @@
 		u32 gt_perf_status = I915_READ(GEN6_GT_PERF_STATUS);
 		u32 rp_state_limits = I915_READ(GEN6_RP_STATE_LIMITS);
 		u32 rp_state_cap = I915_READ(GEN6_RP_STATE_CAP);
+		u32 rpstat;
+		u32 rpupei, rpcurup, rpprevup;
+		u32 rpdownei, rpcurdown, rpprevdown;
 		int max_freq;
 
 		/* RPSTAT1 is in the GT power well */
-		__gen6_force_wake_get(dev_priv);
+		__gen6_gt_force_wake_get(dev_priv);
+
+		rpstat = I915_READ(GEN6_RPSTAT1);
+		rpupei = I915_READ(GEN6_RP_CUR_UP_EI);
+		rpcurup = I915_READ(GEN6_RP_CUR_UP);
+		rpprevup = I915_READ(GEN6_RP_PREV_UP);
+		rpdownei = I915_READ(GEN6_RP_CUR_DOWN_EI);
+		rpcurdown = I915_READ(GEN6_RP_CUR_DOWN);
+		rpprevdown = I915_READ(GEN6_RP_PREV_DOWN);
 
 		seq_printf(m, "GT_PERF_STATUS: 0x%08x\n", gt_perf_status);
-		seq_printf(m, "RPSTAT1: 0x%08x\n", I915_READ(GEN6_RPSTAT1));
+		seq_printf(m, "RPSTAT1: 0x%08x\n", rpstat);
 		seq_printf(m, "Render p-state ratio: %d\n",
 			   (gt_perf_status & 0xff00) >> 8);
 		seq_printf(m, "Render p-state VID: %d\n",
 			   gt_perf_status & 0xff);
 		seq_printf(m, "Render p-state limit: %d\n",
 			   rp_state_limits & 0xff);
+		seq_printf(m, "CAGF: %dMHz\n", ((rpstat & GEN6_CAGF_MASK) >>
+						GEN6_CAGF_SHIFT) * 100);
+		seq_printf(m, "RP CUR UP EI: %dus\n", rpupei &
+			   GEN6_CURICONT_MASK);
+		seq_printf(m, "RP CUR UP: %dus\n", rpcurup &
+			   GEN6_CURBSYTAVG_MASK);
+		seq_printf(m, "RP PREV UP: %dus\n", rpprevup &
+			   GEN6_CURBSYTAVG_MASK);
+		seq_printf(m, "RP CUR DOWN EI: %dus\n", rpdownei &
+			   GEN6_CURIAVG_MASK);
+		seq_printf(m, "RP CUR DOWN: %dus\n", rpcurdown &
+			   GEN6_CURBSYTAVG_MASK);
+		seq_printf(m, "RP PREV DOWN: %dus\n", rpprevdown &
+			   GEN6_CURBSYTAVG_MASK);
 
 		max_freq = (rp_state_cap & 0xff0000) >> 16;
 		seq_printf(m, "Lowest (RPN) frequency: %dMHz\n",
@@ -888,7 +918,7 @@
 		seq_printf(m, "Max non-overclocked (RP0) frequency: %dMHz\n",
 			   max_freq * 100);
 
-		__gen6_force_wake_put(dev_priv);
+		__gen6_gt_force_wake_put(dev_priv);
 	} else {
 		seq_printf(m, "no P-state info available\n");
 	}
@@ -1259,7 +1289,7 @@
 }
 
 static struct drm_info_list i915_debugfs_list[] = {
-	{"i915_capabilities", i915_capabilities, 0, 0},
+	{"i915_capabilities", i915_capabilities, 0},
 	{"i915_gem_objects", i915_gem_object_info, 0},
 	{"i915_gem_gtt", i915_gem_gtt_info, 0},
 	{"i915_gem_active", i915_gem_object_list_info, 0, (void *) ACTIVE_LIST},
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 17bd766..7273037 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -43,6 +43,17 @@
 #include <linux/slab.h>
 #include <acpi/video.h>
 
+static void i915_write_hws_pga(struct drm_device *dev)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	u32 addr;
+
+	addr = dev_priv->status_page_dmah->busaddr;
+	if (INTEL_INFO(dev)->gen >= 4)
+		addr |= (dev_priv->status_page_dmah->busaddr >> 28) & 0xf0;
+	I915_WRITE(HWS_PGA, addr);
+}
+
 /**
  * Sets up the hardware status page for devices that need a physical address
  * in the register.
@@ -60,16 +71,13 @@
 		DRM_ERROR("Can not allocate hardware status page\n");
 		return -ENOMEM;
 	}
-	ring->status_page.page_addr = dev_priv->status_page_dmah->vaddr;
-	dev_priv->dma_status_page = dev_priv->status_page_dmah->busaddr;
+	ring->status_page.page_addr =
+		(void __force __iomem *)dev_priv->status_page_dmah->vaddr;
 
-	memset(ring->status_page.page_addr, 0, PAGE_SIZE);
+	memset_io(ring->status_page.page_addr, 0, PAGE_SIZE);
 
-	if (INTEL_INFO(dev)->gen >= 4)
-		dev_priv->dma_status_page |= (dev_priv->dma_status_page >> 28) &
-					     0xf0;
+	i915_write_hws_pga(dev);
 
-	I915_WRITE(HWS_PGA, dev_priv->dma_status_page);
 	DRM_DEBUG_DRIVER("Enabled hardware status page\n");
 	return 0;
 }
@@ -216,7 +224,7 @@
 	if (ring->status_page.gfx_addr != 0)
 		intel_ring_setup_status_page(ring);
 	else
-		I915_WRITE(HWS_PGA, dev_priv->dma_status_page);
+		i915_write_hws_pga(dev);
 
 	DRM_DEBUG_DRIVER("Enabled hardware status page\n");
 
@@ -771,6 +779,9 @@
 	case I915_PARAM_HAS_EXEC_CONSTANTS:
 		value = INTEL_INFO(dev)->gen >= 4;
 		break;
+	case I915_PARAM_HAS_RELAXED_DELTA:
+		value = 1;
+		break;
 	default:
 		DRM_DEBUG_DRIVER("Unknown parameter %d\n",
 				 param->param);
@@ -859,8 +870,9 @@
 				" G33 hw status page\n");
 		return -ENOMEM;
 	}
-	ring->status_page.page_addr = dev_priv->hws_map.handle;
-	memset(ring->status_page.page_addr, 0, PAGE_SIZE);
+	ring->status_page.page_addr =
+		(void __force __iomem *)dev_priv->hws_map.handle;
+	memset_io(ring->status_page.page_addr, 0, PAGE_SIZE);
 	I915_WRITE(HWS_PGA, ring->status_page.gfx_addr);
 
 	DRM_DEBUG_DRIVER("load hws HWS_PGA with gfx mem 0x%x\n",
@@ -1895,6 +1907,17 @@
 	if (IS_GEN2(dev))
 		dma_set_coherent_mask(&dev->pdev->dev, DMA_BIT_MASK(30));
 
+	/* 965GM sometimes incorrectly writes to hardware status page (HWS)
+	 * using 32bit addressing, overwriting memory if HWS is located
+	 * above 4GB.
+	 *
+	 * The documentation also mentions an issue with undefined
+	 * behaviour if any general state is accessed within a page above 4GB,
+	 * which also needs to be handled carefully.
+	 */
+	if (IS_BROADWATER(dev) || IS_CRESTLINE(dev))
+		dma_set_coherent_mask(&dev->pdev->dev, DMA_BIT_MASK(32));
+
 	mmio_bar = IS_GEN2(dev) ? 1 : 0;
 	dev_priv->regs = pci_iomap(dev->pdev, mmio_bar, 0);
 	if (!dev_priv->regs) {
@@ -2002,9 +2025,13 @@
 
 	spin_lock_init(&dev_priv->irq_lock);
 	spin_lock_init(&dev_priv->error_lock);
-	dev_priv->trace_irq_seqno = 0;
 
-	ret = drm_vblank_init(dev, I915_NUM_PIPE);
+	if (IS_MOBILE(dev) || !IS_GEN2(dev))
+		dev_priv->num_pipe = 2;
+	else
+		dev_priv->num_pipe = 1;
+
+	ret = drm_vblank_init(dev, dev_priv->num_pipe);
 	if (ret)
 		goto out_gem_unload;
 
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 9ad42d5..c34a8dd 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -43,16 +43,28 @@
 unsigned int i915_fbpercrtc = 0;
 module_param_named(fbpercrtc, i915_fbpercrtc, int, 0400);
 
+int i915_panel_ignore_lid = 0;
+module_param_named(panel_ignore_lid, i915_panel_ignore_lid, int, 0600);
+
 unsigned int i915_powersave = 1;
 module_param_named(powersave, i915_powersave, int, 0600);
 
+unsigned int i915_semaphores = 1;
+module_param_named(semaphores, i915_semaphores, int, 0600);
+
+unsigned int i915_enable_rc6 = 0;
+module_param_named(i915_enable_rc6, i915_enable_rc6, int, 0600);
+
 unsigned int i915_lvds_downclock = 0;
 module_param_named(lvds_downclock, i915_lvds_downclock, int, 0400);
 
 unsigned int i915_panel_use_ssc = 1;
 module_param_named(lvds_use_ssc, i915_panel_use_ssc, int, 0600);
 
-bool i915_try_reset = true;
+int i915_vbt_sdvo_panel_type = -1;
+module_param_named(vbt_sdvo_panel_type, i915_vbt_sdvo_panel_type, int, 0600);
+
+static bool i915_try_reset = true;
 module_param_named(reset, i915_try_reset, bool, 0600);
 
 static struct drm_driver driver;
@@ -251,7 +263,7 @@
 	}
 }
 
-void __gen6_force_wake_get(struct drm_i915_private *dev_priv)
+void __gen6_gt_force_wake_get(struct drm_i915_private *dev_priv)
 {
 	int count;
 
@@ -267,12 +279,22 @@
 		udelay(10);
 }
 
-void __gen6_force_wake_put(struct drm_i915_private *dev_priv)
+void __gen6_gt_force_wake_put(struct drm_i915_private *dev_priv)
 {
 	I915_WRITE_NOTRACE(FORCEWAKE, 0);
 	POSTING_READ(FORCEWAKE);
 }
 
+void __gen6_gt_wait_for_fifo(struct drm_i915_private *dev_priv)
+{
+	int loop = 500;
+	u32 fifo = I915_READ_NOTRACE(GT_FIFO_FREE_ENTRIES);
+	while (fifo < 20 && loop--) {
+		udelay(10);
+		fifo = I915_READ_NOTRACE(GT_FIFO_FREE_ENTRIES);
+	}
+}
+
 static int i915_drm_freeze(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
@@ -360,7 +382,7 @@
 		/* Resume the modeset for every activated CRTC */
 		drm_helper_resume_force_mode(dev);
 
-		if (dev_priv->renderctx && dev_priv->pwrctx)
+		if (IS_IRONLAKE_M(dev))
 			ironlake_enable_rc6(dev);
 	}
 
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index a78197d..4496505 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -49,17 +49,22 @@
 enum pipe {
 	PIPE_A = 0,
 	PIPE_B,
+	PIPE_C,
+	I915_MAX_PIPES
 };
+#define pipe_name(p) ((p) + 'A')
 
 enum plane {
 	PLANE_A = 0,
 	PLANE_B,
+	PLANE_C,
 };
-
-#define I915_NUM_PIPE	2
+#define plane_name(p) ((p) + 'A')
 
 #define I915_GEM_GPU_DOMAINS	(~(I915_GEM_DOMAIN_CPU | I915_GEM_DOMAIN_GTT))
 
+#define for_each_pipe(p) for ((p) = 0; (p) < dev_priv->num_pipe; (p)++)
+
 /* Interface history:
  *
  * 1.1: Original.
@@ -75,10 +80,7 @@
 #define DRIVER_PATCHLEVEL	0
 
 #define WATCH_COHERENCY	0
-#define WATCH_EXEC	0
-#define WATCH_RELOC	0
 #define WATCH_LISTS	0
-#define WATCH_PWRITE	0
 
 #define I915_GEM_PHYS_CURSOR_0 1
 #define I915_GEM_PHYS_CURSOR_1 2
@@ -111,6 +113,7 @@
 	struct opregion_swsci *swsci;
 	struct opregion_asle *asle;
 	void *vbt;
+	u32 __iomem *lid_state;
 };
 #define OPREGION_SIZE            (8*1024)
 
@@ -144,8 +147,7 @@
 struct drm_i915_error_state {
 	u32 eir;
 	u32 pgtbl_er;
-	u32 pipeastat;
-	u32 pipebstat;
+	u32 pipestat[I915_MAX_PIPES];
 	u32 ipeir;
 	u32 ipehr;
 	u32 instdone;
@@ -172,7 +174,7 @@
 		int page_count;
 		u32 gtt_offset;
 		u32 *pages[0];
-	} *ringbuffer, *batchbuffer[I915_NUM_RINGS];
+	} *ringbuffer[I915_NUM_RINGS], *batchbuffer[I915_NUM_RINGS];
 	struct drm_i915_error_buffer {
 		u32 size;
 		u32 name;
@@ -200,9 +202,7 @@
 	void (*disable_fbc)(struct drm_device *dev);
 	int (*get_display_clock_speed)(struct drm_device *dev);
 	int (*get_fifo_size)(struct drm_device *dev, int plane);
-	void (*update_wm)(struct drm_device *dev, int planea_clock,
-			  int planeb_clock, int sr_hdisplay, int sr_htotal,
-			  int pixel_size);
+	void (*update_wm)(struct drm_device *dev);
 	/* clock updates for mode set */
 	/* cursor updates */
 	/* render clock increase/decrease */
@@ -274,7 +274,6 @@
 	uint32_t next_seqno;
 
 	drm_dma_handle_t *status_page_dmah;
-	dma_addr_t dma_status_page;
 	uint32_t counter;
 	drm_local_map_t hws_map;
 	struct drm_i915_gem_object *pwrctx;
@@ -289,7 +288,6 @@
 	int page_flipping;
 
 	atomic_t irq_received;
-	u32 trace_irq_seqno;
 
 	/* protects the irq masks */
 	spinlock_t irq_lock;
@@ -324,8 +322,6 @@
 	int cfb_plane;
 	int cfb_y;
 
-	int irq_enabled;
-
 	struct intel_opregion opregion;
 
 	/* overlay */
@@ -387,7 +383,6 @@
 	u32 saveDSPACNTR;
 	u32 saveDSPBCNTR;
 	u32 saveDSPARB;
-	u32 saveHWS;
 	u32 savePIPEACONF;
 	u32 savePIPEBCONF;
 	u32 savePIPEASRC;
@@ -615,6 +610,12 @@
 		struct delayed_work retire_work;
 
 		/**
+		 * Are we in a non-interruptible section of code like
+		 * modesetting?
+		 */
+		bool interruptible;
+
+		/**
 		 * Flag if the X Server, and thus DRM, is not currently in
 		 * control of the device.
 		 *
@@ -652,6 +653,7 @@
 	unsigned int lvds_border_bits;
 	/* Panel fitter placement and size for Ironlake+ */
 	u32 pch_pf_pos, pch_pf_size;
+	int panel_t3, panel_t12;
 
 	struct drm_crtc *plane_to_crtc_mapping[2];
 	struct drm_crtc *pipe_to_crtc_mapping[2];
@@ -698,6 +700,8 @@
 
 	/* list of fbdev register on this device */
 	struct intel_fbdev *fbdev;
+
+	struct drm_property *broadcast_rgb_property;
 } drm_i915_private_t;
 
 struct drm_i915_gem_object {
@@ -955,9 +959,13 @@
 extern struct drm_ioctl_desc i915_ioctls[];
 extern int i915_max_ioctl;
 extern unsigned int i915_fbpercrtc;
+extern int i915_panel_ignore_lid;
 extern unsigned int i915_powersave;
+extern unsigned int i915_semaphores;
 extern unsigned int i915_lvds_downclock;
 extern unsigned int i915_panel_use_ssc;
+extern int i915_vbt_sdvo_panel_type;
+extern unsigned int i915_enable_rc6;
 
 extern int i915_suspend(struct drm_device *dev, pm_message_t state);
 extern int i915_resume(struct drm_device *dev);
@@ -996,8 +1004,6 @@
 			 struct drm_file *file_priv);
 extern int i915_irq_wait(struct drm_device *dev, void *data,
 			 struct drm_file *file_priv);
-void i915_trace_irq_get(struct drm_device *dev, u32 seqno);
-extern void i915_enable_interrupt (struct drm_device *dev);
 
 extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS);
 extern void i915_driver_irq_preinstall(struct drm_device * dev);
@@ -1049,7 +1055,6 @@
 extern void i915_mem_release(struct drm_device * dev,
 			     struct drm_file *file_priv, struct mem_block *heap);
 /* i915_gem.c */
-int i915_gem_check_is_wedged(struct drm_device *dev);
 int i915_gem_init_ioctl(struct drm_device *dev, void *data,
 			struct drm_file *file_priv);
 int i915_gem_create_ioctl(struct drm_device *dev, void *data,
@@ -1092,8 +1097,7 @@
 				struct drm_file *file_priv);
 void i915_gem_load(struct drm_device *dev);
 int i915_gem_init_object(struct drm_gem_object *obj);
-int __must_check i915_gem_flush_ring(struct drm_device *dev,
-				     struct intel_ring_buffer *ring,
+int __must_check i915_gem_flush_ring(struct intel_ring_buffer *ring,
 				     uint32_t invalidate_domains,
 				     uint32_t flush_domains);
 struct drm_i915_gem_object *i915_gem_alloc_object(struct drm_device *dev,
@@ -1108,8 +1112,7 @@
 void i915_gem_lastclose(struct drm_device *dev);
 
 int __must_check i915_mutex_lock_interruptible(struct drm_device *dev);
-int __must_check i915_gem_object_wait_rendering(struct drm_i915_gem_object *obj,
-						bool interruptible);
+int __must_check i915_gem_object_wait_rendering(struct drm_i915_gem_object *obj);
 void i915_gem_object_move_to_active(struct drm_i915_gem_object *obj,
 				    struct intel_ring_buffer *ring,
 				    u32 seqno);
@@ -1131,16 +1134,14 @@
 }
 
 static inline u32
-i915_gem_next_request_seqno(struct drm_device *dev,
-			    struct intel_ring_buffer *ring)
+i915_gem_next_request_seqno(struct intel_ring_buffer *ring)
 {
-	drm_i915_private_t *dev_priv = dev->dev_private;
+	drm_i915_private_t *dev_priv = ring->dev->dev_private;
 	return ring->outstanding_lazy_request = dev_priv->next_seqno;
 }
 
 int __must_check i915_gem_object_get_fence(struct drm_i915_gem_object *obj,
-					   struct intel_ring_buffer *pipelined,
-					   bool interruptible);
+					   struct intel_ring_buffer *pipelined);
 int __must_check i915_gem_object_put_fence(struct drm_i915_gem_object *obj);
 
 void i915_gem_retire_requests(struct drm_device *dev);
@@ -1149,8 +1150,7 @@
 int __must_check i915_gem_object_set_domain(struct drm_i915_gem_object *obj,
 					    uint32_t read_domains,
 					    uint32_t write_domain);
-int __must_check i915_gem_object_flush_gpu(struct drm_i915_gem_object *obj,
-					   bool interruptible);
+int __must_check i915_gem_object_flush_gpu(struct drm_i915_gem_object *obj);
 int __must_check i915_gem_init_ringbuffer(struct drm_device *dev);
 void i915_gem_cleanup_ringbuffer(struct drm_device *dev);
 void i915_gem_do_init(struct drm_device *dev,
@@ -1159,14 +1159,11 @@
 		      unsigned long end);
 int __must_check i915_gpu_idle(struct drm_device *dev);
 int __must_check i915_gem_idle(struct drm_device *dev);
-int __must_check i915_add_request(struct drm_device *dev,
-				  struct drm_file *file_priv,
-				  struct drm_i915_gem_request *request,
-				  struct intel_ring_buffer *ring);
-int __must_check i915_do_wait_request(struct drm_device *dev,
-				      uint32_t seqno,
-				      bool interruptible,
-				      struct intel_ring_buffer *ring);
+int __must_check i915_add_request(struct intel_ring_buffer *ring,
+				  struct drm_file *file,
+				  struct drm_i915_gem_request *request);
+int __must_check i915_wait_request(struct intel_ring_buffer *ring,
+				   uint32_t seqno);
 int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
 int __must_check
 i915_gem_object_set_to_gtt_domain(struct drm_i915_gem_object *obj,
@@ -1183,6 +1180,9 @@
 void i915_gem_free_all_phys_object(struct drm_device *dev);
 void i915_gem_release(struct drm_device *dev, struct drm_file *file);
 
+uint32_t
+i915_gem_get_unfenced_gtt_alignment(struct drm_i915_gem_object *obj);
+
 /* i915_gem_gtt.c */
 void i915_gem_restore_gtt_mappings(struct drm_device *dev);
 int __must_check i915_gem_gtt_bind_object(struct drm_i915_gem_object *obj);
@@ -1315,7 +1315,7 @@
 #define __i915_read(x, y) \
 static inline u##x i915_read##x(struct drm_i915_private *dev_priv, u32 reg) { \
 	u##x val = read##y(dev_priv->regs + reg); \
-	trace_i915_reg_rw('R', reg, val, sizeof(val)); \
+	trace_i915_reg_rw(false, reg, val, sizeof(val)); \
 	return val; \
 }
 __i915_read(8, b)
@@ -1326,7 +1326,7 @@
 
 #define __i915_write(x, y) \
 static inline void i915_write##x(struct drm_i915_private *dev_priv, u32 reg, u##x val) { \
-	trace_i915_reg_rw('W', reg, val, sizeof(val)); \
+	trace_i915_reg_rw(true, reg, val, sizeof(val)); \
 	write##y(val, dev_priv->regs + reg); \
 }
 __i915_write(8, b)
@@ -1359,62 +1359,29 @@
  * must be set to prevent GT core from power down and stale values being
  * returned.
  */
-void __gen6_force_wake_get(struct drm_i915_private *dev_priv);
-void __gen6_force_wake_put (struct drm_i915_private *dev_priv);
-static inline u32 i915_safe_read(struct drm_i915_private *dev_priv, u32 reg)
+void __gen6_gt_force_wake_get(struct drm_i915_private *dev_priv);
+void __gen6_gt_force_wake_put(struct drm_i915_private *dev_priv);
+void __gen6_gt_wait_for_fifo(struct drm_i915_private *dev_priv);
+
+static inline u32 i915_gt_read(struct drm_i915_private *dev_priv, u32 reg)
 {
 	u32 val;
 
 	if (dev_priv->info->gen >= 6) {
-		__gen6_force_wake_get(dev_priv);
+		__gen6_gt_force_wake_get(dev_priv);
 		val = I915_READ(reg);
-		__gen6_force_wake_put(dev_priv);
+		__gen6_gt_force_wake_put(dev_priv);
 	} else
 		val = I915_READ(reg);
 
 	return val;
 }
 
-static inline void
-i915_write(struct drm_i915_private *dev_priv, u32 reg, u64 val, int len)
+static inline void i915_gt_write(struct drm_i915_private *dev_priv,
+				u32 reg, u32 val)
 {
-       /* Trace down the write operation before the real write */
-       trace_i915_reg_rw('W', reg, val, len);
-       switch (len) {
-       case 8:
-               writeq(val, dev_priv->regs + reg);
-               break;
-       case 4:
-               writel(val, dev_priv->regs + reg);
-               break;
-       case 2:
-               writew(val, dev_priv->regs + reg);
-               break;
-       case 1:
-               writeb(val, dev_priv->regs + reg);
-               break;
-       }
+	if (dev_priv->info->gen >= 6)
+		__gen6_gt_wait_for_fifo(dev_priv);
+	I915_WRITE(reg, val);
 }
-
-/**
- * Reads a dword out of the status page, which is written to from the command
- * queue by automatic updates, MI_REPORT_HEAD, MI_STORE_DATA_INDEX, or
- * MI_STORE_DATA_IMM.
- *
- * The following dwords have a reserved meaning:
- * 0x00: ISR copy, updated when an ISR bit not set in the HWSTAM changes.
- * 0x04: ring 0 head pointer
- * 0x05: ring 1 head pointer (915-class)
- * 0x06: ring 2 head pointer (915-class)
- * 0x10-0x1b: Context status DWords (GM45)
- * 0x1f: Last written status offset. (GM45)
- *
- * The area from dword 0x20 to 0x3ff is available for driver usage.
- */
-#define READ_HWSP(dev_priv, reg)  (((volatile u32 *)\
-			(LP_RING(dev_priv)->status_page.page_addr))[reg])
-#define READ_BREADCRUMB(dev_priv) READ_HWSP(dev_priv, I915_BREADCRUMB_INDEX)
-#define I915_GEM_HWS_INDEX		0x20
-#define I915_BREADCRUMB_INDEX		0x21
-
 #endif
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index bc7f06b8f..c4c2855 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -75,8 +75,8 @@
 	dev_priv->mm.object_memory -= size;
 }
 
-int
-i915_gem_check_is_wedged(struct drm_device *dev)
+static int
+i915_gem_wait_for_error(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct completion *x = &dev_priv->error_completion;
@@ -90,27 +90,24 @@
 	if (ret)
 		return ret;
 
-	/* Success, we reset the GPU! */
-	if (!atomic_read(&dev_priv->mm.wedged))
-		return 0;
-
-	/* GPU is hung, bump the completion count to account for
-	 * the token we just consumed so that we never hit zero and
-	 * end up waiting upon a subsequent completion event that
-	 * will never happen.
-	 */
-	spin_lock_irqsave(&x->wait.lock, flags);
-	x->done++;
-	spin_unlock_irqrestore(&x->wait.lock, flags);
-	return -EIO;
+	if (atomic_read(&dev_priv->mm.wedged)) {
+		/* GPU is hung, bump the completion count to account for
+		 * the token we just consumed so that we never hit zero and
+		 * end up waiting upon a subsequent completion event that
+		 * will never happen.
+		 */
+		spin_lock_irqsave(&x->wait.lock, flags);
+		x->done++;
+		spin_unlock_irqrestore(&x->wait.lock, flags);
+	}
+	return 0;
 }
 
 int i915_mutex_lock_interruptible(struct drm_device *dev)
 {
-	struct drm_i915_private *dev_priv = dev->dev_private;
 	int ret;
 
-	ret = i915_gem_check_is_wedged(dev);
+	ret = i915_gem_wait_for_error(dev);
 	if (ret)
 		return ret;
 
@@ -118,11 +115,6 @@
 	if (ret)
 		return ret;
 
-	if (atomic_read(&dev_priv->mm.wedged)) {
-		mutex_unlock(&dev->struct_mutex);
-		return -EAGAIN;
-	}
-
 	WARN_ON(i915_verify_lists(dev));
 	return 0;
 }
@@ -543,7 +535,7 @@
 		return ret;
 
 	obj = to_intel_bo(drm_gem_object_lookup(dev, file, args->handle));
-	if (obj == NULL) {
+	if (&obj->base == NULL) {
 		ret = -ENOENT;
 		goto unlock;
 	}
@@ -555,6 +547,8 @@
 		goto out;
 	}
 
+	trace_i915_gem_object_pread(obj, args->offset, args->size);
+
 	ret = i915_gem_object_set_cpu_read_domain_range(obj,
 							args->offset,
 							args->size);
@@ -984,7 +978,7 @@
 		return ret;
 
 	obj = to_intel_bo(drm_gem_object_lookup(dev, file, args->handle));
-	if (obj == NULL) {
+	if (&obj->base == NULL) {
 		ret = -ENOENT;
 		goto unlock;
 	}
@@ -996,6 +990,8 @@
 		goto out;
 	}
 
+	trace_i915_gem_object_pwrite(obj, args->offset, args->size);
+
 	/* We can only do the GTT pwrite on untiled buffers, as otherwise
 	 * it would end up going through the fenced access, and we'll get
 	 * different detiling behavior between reading and writing.
@@ -1078,7 +1074,7 @@
 		return ret;
 
 	obj = to_intel_bo(drm_gem_object_lookup(dev, file, args->handle));
-	if (obj == NULL) {
+	if (&obj->base == NULL) {
 		ret = -ENOENT;
 		goto unlock;
 	}
@@ -1121,7 +1117,7 @@
 		return ret;
 
 	obj = to_intel_bo(drm_gem_object_lookup(dev, file, args->handle));
-	if (obj == NULL) {
+	if (&obj->base == NULL) {
 		ret = -ENOENT;
 		goto unlock;
 	}
@@ -1150,7 +1146,6 @@
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct drm_i915_gem_mmap *args = data;
 	struct drm_gem_object *obj;
-	loff_t offset;
 	unsigned long addr;
 
 	if (!(dev->driver->driver_features & DRIVER_GEM))
@@ -1165,8 +1160,6 @@
 		return -E2BIG;
 	}
 
-	offset = args->offset;
-
 	down_write(&current->mm->mmap_sem);
 	addr = do_mmap(obj->filp, 0, args->size,
 		       PROT_READ | PROT_WRITE, MAP_SHARED,
@@ -1211,9 +1204,13 @@
 	page_offset = ((unsigned long)vmf->virtual_address - vma->vm_start) >>
 		PAGE_SHIFT;
 
-	/* Now bind it into the GTT if needed */
-	mutex_lock(&dev->struct_mutex);
+	ret = i915_mutex_lock_interruptible(dev);
+	if (ret)
+		goto out;
 
+	trace_i915_gem_object_fault(obj, page_offset, true, write);
+
+	/* Now bind it into the GTT if needed */
 	if (!obj->map_and_fenceable) {
 		ret = i915_gem_object_unbind(obj);
 		if (ret)
@@ -1232,7 +1229,7 @@
 	if (obj->tiling_mode == I915_TILING_NONE)
 		ret = i915_gem_object_put_fence(obj);
 	else
-		ret = i915_gem_object_get_fence(obj, NULL, true);
+		ret = i915_gem_object_get_fence(obj, NULL);
 	if (ret)
 		goto unlock;
 
@@ -1248,12 +1245,21 @@
 	ret = vm_insert_pfn(vma, (unsigned long)vmf->virtual_address, pfn);
 unlock:
 	mutex_unlock(&dev->struct_mutex);
-
+out:
 	switch (ret) {
+	case -EIO:
 	case -EAGAIN:
+		/* Give the error handler a chance to run and move the
+		 * objects off the GPU active list. Next time we service the
+		 * fault, we should be able to transition the page into the
+		 * GTT without touching the GPU (and so avoid further
+		 * EIO/EGAIN). If the GPU is wedged, then there is no issue
+		 * with coherency, just lost writes.
+		 */
 		set_need_resched();
 	case 0:
 	case -ERESTARTSYS:
+	case -EINTR:
 		return VM_FAULT_NOPAGE;
 	case -ENOMEM:
 		return VM_FAULT_OOM;
@@ -1427,7 +1433,7 @@
  * Return the required GTT alignment for an object, only taking into account
  * unfenced tiled surface requirements.
  */
-static uint32_t
+uint32_t
 i915_gem_get_unfenced_gtt_alignment(struct drm_i915_gem_object *obj)
 {
 	struct drm_device *dev = obj->base.dev;
@@ -1472,7 +1478,7 @@
 		return ret;
 
 	obj = to_intel_bo(drm_gem_object_lookup(dev, file, handle));
-	if (obj == NULL) {
+	if (&obj->base == NULL) {
 		ret = -ENOENT;
 		goto unlock;
 	}
@@ -1712,9 +1718,8 @@
 }
 
 static void
-i915_gem_process_flushing_list(struct drm_device *dev,
-			       uint32_t flush_domains,
-			       struct intel_ring_buffer *ring)
+i915_gem_process_flushing_list(struct intel_ring_buffer *ring,
+			       uint32_t flush_domains)
 {
 	struct drm_i915_gem_object *obj, *next;
 
@@ -1727,7 +1732,7 @@
 			obj->base.write_domain = 0;
 			list_del_init(&obj->gpu_write_list);
 			i915_gem_object_move_to_active(obj, ring,
-						       i915_gem_next_request_seqno(dev, ring));
+						       i915_gem_next_request_seqno(ring));
 
 			trace_i915_gem_object_change_domain(obj,
 							    obj->base.read_domains,
@@ -1737,27 +1742,22 @@
 }
 
 int
-i915_add_request(struct drm_device *dev,
+i915_add_request(struct intel_ring_buffer *ring,
 		 struct drm_file *file,
-		 struct drm_i915_gem_request *request,
-		 struct intel_ring_buffer *ring)
+		 struct drm_i915_gem_request *request)
 {
-	drm_i915_private_t *dev_priv = dev->dev_private;
-	struct drm_i915_file_private *file_priv = NULL;
+	drm_i915_private_t *dev_priv = ring->dev->dev_private;
 	uint32_t seqno;
 	int was_empty;
 	int ret;
 
 	BUG_ON(request == NULL);
 
-	if (file != NULL)
-		file_priv = file->driver_priv;
-
 	ret = ring->add_request(ring, &seqno);
 	if (ret)
 	    return ret;
 
-	ring->outstanding_lazy_request = false;
+	trace_i915_gem_request_add(ring, seqno);
 
 	request->seqno = seqno;
 	request->ring = ring;
@@ -1765,7 +1765,9 @@
 	was_empty = list_empty(&ring->request_list);
 	list_add_tail(&request->list, &ring->request_list);
 
-	if (file_priv) {
+	if (file) {
+		struct drm_i915_file_private *file_priv = file->driver_priv;
+
 		spin_lock(&file_priv->mm.lock);
 		request->file_priv = file_priv;
 		list_add_tail(&request->client_list,
@@ -1773,6 +1775,8 @@
 		spin_unlock(&file_priv->mm.lock);
 	}
 
+	ring->outstanding_lazy_request = false;
+
 	if (!dev_priv->mm.suspended) {
 		mod_timer(&dev_priv->hangcheck_timer,
 			  jiffies + msecs_to_jiffies(DRM_I915_HANGCHECK_PERIOD));
@@ -1889,18 +1893,15 @@
  * This function clears the request list as sequence numbers are passed.
  */
 static void
-i915_gem_retire_requests_ring(struct drm_device *dev,
-			      struct intel_ring_buffer *ring)
+i915_gem_retire_requests_ring(struct intel_ring_buffer *ring)
 {
-	drm_i915_private_t *dev_priv = dev->dev_private;
 	uint32_t seqno;
 	int i;
 
-	if (!ring->status_page.page_addr ||
-	    list_empty(&ring->request_list))
+	if (list_empty(&ring->request_list))
 		return;
 
-	WARN_ON(i915_verify_lists(dev));
+	WARN_ON(i915_verify_lists(ring->dev));
 
 	seqno = ring->get_seqno(ring);
 
@@ -1918,7 +1919,7 @@
 		if (!i915_seqno_passed(seqno, request->seqno))
 			break;
 
-		trace_i915_gem_request_retire(dev, request->seqno);
+		trace_i915_gem_request_retire(ring, request->seqno);
 
 		list_del(&request->list);
 		i915_gem_request_remove_from_client(request);
@@ -1944,13 +1945,13 @@
 			i915_gem_object_move_to_inactive(obj);
 	}
 
-	if (unlikely (dev_priv->trace_irq_seqno &&
-		      i915_seqno_passed(dev_priv->trace_irq_seqno, seqno))) {
+	if (unlikely(ring->trace_irq_seqno &&
+		     i915_seqno_passed(seqno, ring->trace_irq_seqno))) {
 		ring->irq_put(ring);
-		dev_priv->trace_irq_seqno = 0;
+		ring->trace_irq_seqno = 0;
 	}
 
-	WARN_ON(i915_verify_lists(dev));
+	WARN_ON(i915_verify_lists(ring->dev));
 }
 
 void
@@ -1974,7 +1975,7 @@
 	}
 
 	for (i = 0; i < I915_NUM_RINGS; i++)
-		i915_gem_retire_requests_ring(dev, &dev_priv->ring[i]);
+		i915_gem_retire_requests_ring(&dev_priv->ring[i]);
 }
 
 static void
@@ -2008,11 +2009,11 @@
 			struct drm_i915_gem_request *request;
 			int ret;
 
-			ret = i915_gem_flush_ring(dev, ring, 0,
-						  I915_GEM_GPU_DOMAINS);
+			ret = i915_gem_flush_ring(ring,
+						  0, I915_GEM_GPU_DOMAINS);
 			request = kzalloc(sizeof(*request), GFP_KERNEL);
 			if (ret || request == NULL ||
-			    i915_add_request(dev, NULL, request, ring))
+			    i915_add_request(ring, NULL, request))
 			    kfree(request);
 		}
 
@@ -2025,18 +2026,32 @@
 	mutex_unlock(&dev->struct_mutex);
 }
 
+/**
+ * Waits for a sequence number to be signaled, and cleans up the
+ * request and object lists appropriately for that event.
+ */
 int
-i915_do_wait_request(struct drm_device *dev, uint32_t seqno,
-		     bool interruptible, struct intel_ring_buffer *ring)
+i915_wait_request(struct intel_ring_buffer *ring,
+		  uint32_t seqno)
 {
-	drm_i915_private_t *dev_priv = dev->dev_private;
+	drm_i915_private_t *dev_priv = ring->dev->dev_private;
 	u32 ier;
 	int ret = 0;
 
 	BUG_ON(seqno == 0);
 
-	if (atomic_read(&dev_priv->mm.wedged))
-		return -EAGAIN;
+	if (atomic_read(&dev_priv->mm.wedged)) {
+		struct completion *x = &dev_priv->error_completion;
+		bool recovery_complete;
+		unsigned long flags;
+
+		/* Give the error handler a chance to run. */
+		spin_lock_irqsave(&x->wait.lock, flags);
+		recovery_complete = x->done > 0;
+		spin_unlock_irqrestore(&x->wait.lock, flags);
+
+		return recovery_complete ? -EIO : -EAGAIN;
+	}
 
 	if (seqno == ring->outstanding_lazy_request) {
 		struct drm_i915_gem_request *request;
@@ -2045,7 +2060,7 @@
 		if (request == NULL)
 			return -ENOMEM;
 
-		ret = i915_add_request(dev, NULL, request, ring);
+		ret = i915_add_request(ring, NULL, request);
 		if (ret) {
 			kfree(request);
 			return ret;
@@ -2055,22 +2070,22 @@
 	}
 
 	if (!i915_seqno_passed(ring->get_seqno(ring), seqno)) {
-		if (HAS_PCH_SPLIT(dev))
+		if (HAS_PCH_SPLIT(ring->dev))
 			ier = I915_READ(DEIER) | I915_READ(GTIER);
 		else
 			ier = I915_READ(IER);
 		if (!ier) {
 			DRM_ERROR("something (likely vbetool) disabled "
 				  "interrupts, re-enabling\n");
-			i915_driver_irq_preinstall(dev);
-			i915_driver_irq_postinstall(dev);
+			i915_driver_irq_preinstall(ring->dev);
+			i915_driver_irq_postinstall(ring->dev);
 		}
 
-		trace_i915_gem_request_wait_begin(dev, seqno);
+		trace_i915_gem_request_wait_begin(ring, seqno);
 
 		ring->waiting_seqno = seqno;
 		if (ring->irq_get(ring)) {
-			if (interruptible)
+			if (dev_priv->mm.interruptible)
 				ret = wait_event_interruptible(ring->irq_queue,
 							       i915_seqno_passed(ring->get_seqno(ring), seqno)
 							       || atomic_read(&dev_priv->mm.wedged));
@@ -2086,7 +2101,7 @@
 			ret = -EBUSY;
 		ring->waiting_seqno = 0;
 
-		trace_i915_gem_request_wait_end(dev, seqno);
+		trace_i915_gem_request_wait_end(ring, seqno);
 	}
 	if (atomic_read(&dev_priv->mm.wedged))
 		ret = -EAGAIN;
@@ -2102,31 +2117,18 @@
 	 * a separate wait queue to handle that.
 	 */
 	if (ret == 0)
-		i915_gem_retire_requests_ring(dev, ring);
+		i915_gem_retire_requests_ring(ring);
 
 	return ret;
 }
 
 /**
- * Waits for a sequence number to be signaled, and cleans up the
- * request and object lists appropriately for that event.
- */
-static int
-i915_wait_request(struct drm_device *dev, uint32_t seqno,
-		  struct intel_ring_buffer *ring)
-{
-	return i915_do_wait_request(dev, seqno, 1, ring);
-}
-
-/**
  * Ensures that all rendering to the object has completed and the object is
  * safe to unbind from the GTT or access from the CPU.
  */
 int
-i915_gem_object_wait_rendering(struct drm_i915_gem_object *obj,
-			       bool interruptible)
+i915_gem_object_wait_rendering(struct drm_i915_gem_object *obj)
 {
-	struct drm_device *dev = obj->base.dev;
 	int ret;
 
 	/* This function only exists to support waiting for existing rendering,
@@ -2138,10 +2140,7 @@
 	 * it.
 	 */
 	if (obj->active) {
-		ret = i915_do_wait_request(dev,
-					   obj->last_rendering_seqno,
-					   interruptible,
-					   obj->ring);
+		ret = i915_wait_request(obj->ring, obj->last_rendering_seqno);
 		if (ret)
 			return ret;
 	}
@@ -2191,6 +2190,8 @@
 	if (ret == -ERESTARTSYS)
 		return ret;
 
+	trace_i915_gem_object_unbind(obj);
+
 	i915_gem_gtt_unbind_object(obj);
 	i915_gem_object_put_pages_gtt(obj);
 
@@ -2206,29 +2207,27 @@
 	if (i915_gem_object_is_purgeable(obj))
 		i915_gem_object_truncate(obj);
 
-	trace_i915_gem_object_unbind(obj);
-
 	return ret;
 }
 
 int
-i915_gem_flush_ring(struct drm_device *dev,
-		    struct intel_ring_buffer *ring,
+i915_gem_flush_ring(struct intel_ring_buffer *ring,
 		    uint32_t invalidate_domains,
 		    uint32_t flush_domains)
 {
 	int ret;
 
+	trace_i915_gem_ring_flush(ring, invalidate_domains, flush_domains);
+
 	ret = ring->flush(ring, invalidate_domains, flush_domains);
 	if (ret)
 		return ret;
 
-	i915_gem_process_flushing_list(dev, flush_domains, ring);
+	i915_gem_process_flushing_list(ring, flush_domains);
 	return 0;
 }
 
-static int i915_ring_idle(struct drm_device *dev,
-			  struct intel_ring_buffer *ring)
+static int i915_ring_idle(struct intel_ring_buffer *ring)
 {
 	int ret;
 
@@ -2236,15 +2235,13 @@
 		return 0;
 
 	if (!list_empty(&ring->gpu_write_list)) {
-		ret = i915_gem_flush_ring(dev, ring,
+		ret = i915_gem_flush_ring(ring,
 				    I915_GEM_GPU_DOMAINS, I915_GEM_GPU_DOMAINS);
 		if (ret)
 			return ret;
 	}
 
-	return i915_wait_request(dev,
-				 i915_gem_next_request_seqno(dev, ring),
-				 ring);
+	return i915_wait_request(ring, i915_gem_next_request_seqno(ring));
 }
 
 int
@@ -2261,7 +2258,7 @@
 
 	/* Flush everything onto the inactive list. */
 	for (i = 0; i < I915_NUM_RINGS; i++) {
-		ret = i915_ring_idle(dev, &dev_priv->ring[i]);
+		ret = i915_ring_idle(&dev_priv->ring[i]);
 		if (ret)
 			return ret;
 	}
@@ -2445,15 +2442,13 @@
 
 static int
 i915_gem_object_flush_fence(struct drm_i915_gem_object *obj,
-			    struct intel_ring_buffer *pipelined,
-			    bool interruptible)
+			    struct intel_ring_buffer *pipelined)
 {
 	int ret;
 
 	if (obj->fenced_gpu_access) {
 		if (obj->base.write_domain & I915_GEM_GPU_DOMAINS) {
-			ret = i915_gem_flush_ring(obj->base.dev,
-						  obj->last_fenced_ring,
+			ret = i915_gem_flush_ring(obj->last_fenced_ring,
 						  0, obj->base.write_domain);
 			if (ret)
 				return ret;
@@ -2465,10 +2460,8 @@
 	if (obj->last_fenced_seqno && pipelined != obj->last_fenced_ring) {
 		if (!ring_passed_seqno(obj->last_fenced_ring,
 				       obj->last_fenced_seqno)) {
-			ret = i915_do_wait_request(obj->base.dev,
-						   obj->last_fenced_seqno,
-						   interruptible,
-						   obj->last_fenced_ring);
+			ret = i915_wait_request(obj->last_fenced_ring,
+						obj->last_fenced_seqno);
 			if (ret)
 				return ret;
 		}
@@ -2494,7 +2487,7 @@
 	if (obj->tiling_mode)
 		i915_gem_release_mmap(obj);
 
-	ret = i915_gem_object_flush_fence(obj, NULL, true);
+	ret = i915_gem_object_flush_fence(obj, NULL);
 	if (ret)
 		return ret;
 
@@ -2571,8 +2564,7 @@
  */
 int
 i915_gem_object_get_fence(struct drm_i915_gem_object *obj,
-			  struct intel_ring_buffer *pipelined,
-			  bool interruptible)
+			  struct intel_ring_buffer *pipelined)
 {
 	struct drm_device *dev = obj->base.dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
@@ -2594,10 +2586,8 @@
 			if (reg->setup_seqno) {
 				if (!ring_passed_seqno(obj->last_fenced_ring,
 						       reg->setup_seqno)) {
-					ret = i915_do_wait_request(obj->base.dev,
-								   reg->setup_seqno,
-								   interruptible,
-								   obj->last_fenced_ring);
+					ret = i915_wait_request(obj->last_fenced_ring,
+								reg->setup_seqno);
 					if (ret)
 						return ret;
 				}
@@ -2606,15 +2596,13 @@
 			}
 		} else if (obj->last_fenced_ring &&
 			   obj->last_fenced_ring != pipelined) {
-			ret = i915_gem_object_flush_fence(obj,
-							  pipelined,
-							  interruptible);
+			ret = i915_gem_object_flush_fence(obj, pipelined);
 			if (ret)
 				return ret;
 		} else if (obj->tiling_changed) {
 			if (obj->fenced_gpu_access) {
 				if (obj->base.write_domain & I915_GEM_GPU_DOMAINS) {
-					ret = i915_gem_flush_ring(obj->base.dev, obj->ring,
+					ret = i915_gem_flush_ring(obj->ring,
 								  0, obj->base.write_domain);
 					if (ret)
 						return ret;
@@ -2631,7 +2619,7 @@
 		if (obj->tiling_changed) {
 			if (pipelined) {
 				reg->setup_seqno =
-					i915_gem_next_request_seqno(dev, pipelined);
+					i915_gem_next_request_seqno(pipelined);
 				obj->last_fenced_seqno = reg->setup_seqno;
 				obj->last_fenced_ring = pipelined;
 			}
@@ -2645,7 +2633,7 @@
 	if (reg == NULL)
 		return -ENOSPC;
 
-	ret = i915_gem_object_flush_fence(obj, pipelined, interruptible);
+	ret = i915_gem_object_flush_fence(obj, pipelined);
 	if (ret)
 		return ret;
 
@@ -2657,9 +2645,7 @@
 		if (old->tiling_mode)
 			i915_gem_release_mmap(old);
 
-		ret = i915_gem_object_flush_fence(old,
-						  pipelined,
-						  interruptible);
+		ret = i915_gem_object_flush_fence(old, pipelined);
 		if (ret) {
 			drm_gem_object_unreference(&old->base);
 			return ret;
@@ -2671,7 +2657,7 @@
 		old->fence_reg = I915_FENCE_REG_NONE;
 		old->last_fenced_ring = pipelined;
 		old->last_fenced_seqno =
-			pipelined ? i915_gem_next_request_seqno(dev, pipelined) : 0;
+			pipelined ? i915_gem_next_request_seqno(pipelined) : 0;
 
 		drm_gem_object_unreference(&old->base);
 	} else if (obj->last_fenced_seqno == 0)
@@ -2683,7 +2669,7 @@
 	obj->last_fenced_ring = pipelined;
 
 	reg->setup_seqno =
-		pipelined ? i915_gem_next_request_seqno(dev, pipelined) : 0;
+		pipelined ? i915_gem_next_request_seqno(pipelined) : 0;
 	obj->last_fenced_seqno = reg->setup_seqno;
 
 update:
@@ -2880,7 +2866,7 @@
 
 	obj->map_and_fenceable = mappable && fenceable;
 
-	trace_i915_gem_object_bind(obj, obj->gtt_offset, map_and_fenceable);
+	trace_i915_gem_object_bind(obj, map_and_fenceable);
 	return 0;
 }
 
@@ -2903,13 +2889,11 @@
 static int
 i915_gem_object_flush_gpu_write_domain(struct drm_i915_gem_object *obj)
 {
-	struct drm_device *dev = obj->base.dev;
-
 	if ((obj->base.write_domain & I915_GEM_GPU_DOMAINS) == 0)
 		return 0;
 
 	/* Queue the GPU write cache flushing we need. */
-	return i915_gem_flush_ring(dev, obj->ring, 0, obj->base.write_domain);
+	return i915_gem_flush_ring(obj->ring, 0, obj->base.write_domain);
 }
 
 /** Flushes the GTT write domain for the object if it's dirty. */
@@ -2976,12 +2960,15 @@
 	if (obj->gtt_space == NULL)
 		return -EINVAL;
 
+	if (obj->base.write_domain == I915_GEM_DOMAIN_GTT)
+		return 0;
+
 	ret = i915_gem_object_flush_gpu_write_domain(obj);
 	if (ret)
 		return ret;
 
 	if (obj->pending_gpu_write || write) {
-		ret = i915_gem_object_wait_rendering(obj, true);
+		ret = i915_gem_object_wait_rendering(obj);
 		if (ret)
 			return ret;
 	}
@@ -3031,7 +3018,7 @@
 
 	/* Currently, we are always called from an non-interruptible context. */
 	if (pipelined != obj->ring) {
-		ret = i915_gem_object_wait_rendering(obj, false);
+		ret = i915_gem_object_wait_rendering(obj);
 		if (ret)
 			return ret;
 	}
@@ -3049,8 +3036,7 @@
 }
 
 int
-i915_gem_object_flush_gpu(struct drm_i915_gem_object *obj,
-			  bool interruptible)
+i915_gem_object_flush_gpu(struct drm_i915_gem_object *obj)
 {
 	int ret;
 
@@ -3058,13 +3044,12 @@
 		return 0;
 
 	if (obj->base.write_domain & I915_GEM_GPU_DOMAINS) {
-		ret = i915_gem_flush_ring(obj->base.dev, obj->ring,
-					  0, obj->base.write_domain);
+		ret = i915_gem_flush_ring(obj->ring, 0, obj->base.write_domain);
 		if (ret)
 			return ret;
 	}
 
-	return i915_gem_object_wait_rendering(obj, interruptible);
+	return i915_gem_object_wait_rendering(obj);
 }
 
 /**
@@ -3079,11 +3064,14 @@
 	uint32_t old_write_domain, old_read_domains;
 	int ret;
 
+	if (obj->base.write_domain == I915_GEM_DOMAIN_CPU)
+		return 0;
+
 	ret = i915_gem_object_flush_gpu_write_domain(obj);
 	if (ret)
 		return ret;
 
-	ret = i915_gem_object_wait_rendering(obj, true);
+	ret = i915_gem_object_wait_rendering(obj);
 	if (ret)
 		return ret;
 
@@ -3181,7 +3169,7 @@
 	if (ret)
 		return ret;
 
-	ret = i915_gem_object_wait_rendering(obj, true);
+	ret = i915_gem_object_wait_rendering(obj);
 	if (ret)
 		return ret;
 
@@ -3252,6 +3240,9 @@
 	u32 seqno = 0;
 	int ret;
 
+	if (atomic_read(&dev_priv->mm.wedged))
+		return -EIO;
+
 	spin_lock(&file_priv->mm.lock);
 	list_for_each_entry(request, &file_priv->mm.request_list, client_list) {
 		if (time_after_eq(request->emitted_jiffies, recent_enough))
@@ -3367,7 +3358,7 @@
 		return ret;
 
 	obj = to_intel_bo(drm_gem_object_lookup(dev, file, args->handle));
-	if (obj == NULL) {
+	if (&obj->base == NULL) {
 		ret = -ENOENT;
 		goto unlock;
 	}
@@ -3418,7 +3409,7 @@
 		return ret;
 
 	obj = to_intel_bo(drm_gem_object_lookup(dev, file, args->handle));
-	if (obj == NULL) {
+	if (&obj->base == NULL) {
 		ret = -ENOENT;
 		goto unlock;
 	}
@@ -3455,7 +3446,7 @@
 		return ret;
 
 	obj = to_intel_bo(drm_gem_object_lookup(dev, file, args->handle));
-	if (obj == NULL) {
+	if (&obj->base == NULL) {
 		ret = -ENOENT;
 		goto unlock;
 	}
@@ -3473,7 +3464,7 @@
 		 * flush earlier is beneficial.
 		 */
 		if (obj->base.write_domain & I915_GEM_GPU_DOMAINS) {
-			ret = i915_gem_flush_ring(dev, obj->ring,
+			ret = i915_gem_flush_ring(obj->ring,
 						  0, obj->base.write_domain);
 		} else if (obj->ring->outstanding_lazy_request ==
 			   obj->last_rendering_seqno) {
@@ -3484,9 +3475,7 @@
 			 */
 			request = kzalloc(sizeof(*request), GFP_KERNEL);
 			if (request)
-				ret = i915_add_request(dev,
-						       NULL, request,
-						       obj->ring);
+				ret = i915_add_request(obj->ring, NULL,request);
 			else
 				ret = -ENOMEM;
 		}
@@ -3496,7 +3485,7 @@
 		 * are actually unmasked, and our working set ends up being
 		 * larger than required.
 		 */
-		i915_gem_retire_requests_ring(dev, obj->ring);
+		i915_gem_retire_requests_ring(obj->ring);
 
 		args->busy = obj->active;
 	}
@@ -3535,7 +3524,7 @@
 		return ret;
 
 	obj = to_intel_bo(drm_gem_object_lookup(dev, file_priv, args->handle));
-	if (obj == NULL) {
+	if (&obj->base == NULL) {
 		ret = -ENOENT;
 		goto unlock;
 	}
@@ -3626,6 +3615,8 @@
 	kfree(obj->page_cpu_valid);
 	kfree(obj->bit_17);
 	kfree(obj);
+
+	trace_i915_gem_object_destroy(obj);
 }
 
 void i915_gem_free_object(struct drm_gem_object *gem_obj)
@@ -3633,8 +3624,6 @@
 	struct drm_i915_gem_object *obj = to_intel_bo(gem_obj);
 	struct drm_device *dev = obj->base.dev;
 
-	trace_i915_gem_object_destroy(obj);
-
 	while (obj->pin_count > 0)
 		i915_gem_object_unpin(obj);
 
@@ -3880,6 +3869,8 @@
 	i915_gem_detect_bit_6_swizzle(dev);
 	init_waitqueue_head(&dev_priv->pending_flip_queue);
 
+	dev_priv->mm.interruptible = true;
+
 	dev_priv->mm.inactive_shrinker.shrink = i915_gem_inactive_shrink;
 	dev_priv->mm.inactive_shrinker.seeks = DEFAULT_SEEKS;
 	register_shrinker(&dev_priv->mm.inactive_shrinker);
diff --git a/drivers/gpu/drm/i915/i915_gem_debug.c b/drivers/gpu/drm/i915/i915_gem_debug.c
index 29d014c..8da1899 100644
--- a/drivers/gpu/drm/i915/i915_gem_debug.c
+++ b/drivers/gpu/drm/i915/i915_gem_debug.c
@@ -134,51 +134,6 @@
 }
 #endif /* WATCH_INACTIVE */
 
-
-#if WATCH_EXEC | WATCH_PWRITE
-static void
-i915_gem_dump_page(struct page *page, uint32_t start, uint32_t end,
-		   uint32_t bias, uint32_t mark)
-{
-	uint32_t *mem = kmap_atomic(page, KM_USER0);
-	int i;
-	for (i = start; i < end; i += 4)
-		DRM_INFO("%08x: %08x%s\n",
-			  (int) (bias + i), mem[i / 4],
-			  (bias + i == mark) ? " ********" : "");
-	kunmap_atomic(mem, KM_USER0);
-	/* give syslog time to catch up */
-	msleep(1);
-}
-
-void
-i915_gem_dump_object(struct drm_i915_gem_object *obj, int len,
-		     const char *where, uint32_t mark)
-{
-	int page;
-
-	DRM_INFO("%s: object at offset %08x\n", where, obj->gtt_offset);
-	for (page = 0; page < (len + PAGE_SIZE-1) / PAGE_SIZE; page++) {
-		int page_len, chunk, chunk_len;
-
-		page_len = len - page * PAGE_SIZE;
-		if (page_len > PAGE_SIZE)
-			page_len = PAGE_SIZE;
-
-		for (chunk = 0; chunk < page_len; chunk += 128) {
-			chunk_len = page_len - chunk;
-			if (chunk_len > 128)
-				chunk_len = 128;
-			i915_gem_dump_page(obj->pages[page],
-					   chunk, chunk + chunk_len,
-					   obj->gtt_offset +
-					   page * PAGE_SIZE,
-					   mark);
-		}
-	}
-}
-#endif
-
 #if WATCH_COHERENCY
 void
 i915_gem_object_check_coherency(struct drm_i915_gem_object *obj, int handle)
diff --git a/drivers/gpu/drm/i915/i915_gem_evict.c b/drivers/gpu/drm/i915/i915_gem_evict.c
index 3d39005..da05a2692 100644
--- a/drivers/gpu/drm/i915/i915_gem_evict.c
+++ b/drivers/gpu/drm/i915/i915_gem_evict.c
@@ -30,6 +30,7 @@
 #include "drm.h"
 #include "i915_drv.h"
 #include "i915_drm.h"
+#include "i915_trace.h"
 
 static bool
 mark_free(struct drm_i915_gem_object *obj, struct list_head *unwind)
@@ -63,6 +64,8 @@
 			return 0;
 	}
 
+	trace_i915_gem_evict(dev, min_size, alignment, mappable);
+
 	/*
 	 * The goal is to evict objects and amalgamate space in LRU order.
 	 * The oldest idle objects reside on the inactive list, which is in
@@ -189,6 +192,8 @@
 	if (lists_empty)
 		return -ENOSPC;
 
+	trace_i915_gem_evict_everything(dev, purgeable_only);
+
 	/* Flush everything (on to the inactive lists) and evict */
 	ret = i915_gpu_idle(dev);
 	if (ret)
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index d2f445e..7ff7f93 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -37,6 +37,7 @@
 	uint32_t invalidate_domains;
 	uint32_t flush_domains;
 	uint32_t flush_rings;
+	uint32_t flips;
 };
 
 /*
@@ -190,6 +191,9 @@
 	if ((flush_domains | invalidate_domains) & I915_GEM_DOMAIN_GTT)
 		i915_gem_release_mmap(obj);
 
+	if (obj->base.pending_write_domain)
+		cd->flips |= atomic_read(&obj->pending_flip);
+
 	/* The actual obj->write_domain will be updated with
 	 * pending_write_domain after we emit the accumulated flush for all
 	 * of our domain changes in execbuffers (which clears objects'
@@ -282,21 +286,6 @@
 
 	target_offset = to_intel_bo(target_obj)->gtt_offset;
 
-#if WATCH_RELOC
-	DRM_INFO("%s: obj %p offset %08x target %d "
-		 "read %08x write %08x gtt %08x "
-		 "presumed %08x delta %08x\n",
-		 __func__,
-		 obj,
-		 (int) reloc->offset,
-		 (int) reloc->target_handle,
-		 (int) reloc->read_domains,
-		 (int) reloc->write_domain,
-		 (int) target_offset,
-		 (int) reloc->presumed_offset,
-		 reloc->delta);
-#endif
-
 	/* The target buffer should have appeared before us in the
 	 * exec_object list, so it should have a GTT space bound by now.
 	 */
@@ -365,16 +354,6 @@
 		return ret;
 	}
 
-	/* and points to somewhere within the target object. */
-	if (unlikely(reloc->delta >= target_obj->size)) {
-		DRM_ERROR("Relocation beyond target object bounds: "
-			  "obj %p target %d delta %d size %d.\n",
-			  obj, reloc->target_handle,
-			  (int) reloc->delta,
-			  (int) target_obj->size);
-		return ret;
-	}
-
 	reloc->delta += target_offset;
 	if (obj->base.write_domain == I915_GEM_DOMAIN_CPU) {
 		uint32_t page_offset = reloc->offset & ~PAGE_MASK;
@@ -575,7 +554,7 @@
 
 			if (has_fenced_gpu_access) {
 				if (need_fence) {
-					ret = i915_gem_object_get_fence(obj, ring, 1);
+					ret = i915_gem_object_get_fence(obj, ring);
 					if (ret)
 						break;
 				} else if (entry->flags & EXEC_OBJECT_NEEDS_FENCE &&
@@ -690,11 +669,9 @@
 	/* reacquire the objects */
 	eb_reset(eb);
 	for (i = 0; i < count; i++) {
-		struct drm_i915_gem_object *obj;
-
 		obj = to_intel_bo(drm_gem_object_lookup(dev, file,
 							exec[i].handle));
-		if (obj == NULL) {
+		if (&obj->base == NULL) {
 			DRM_ERROR("Invalid object handle %d at index %d\n",
 				   exec[i].handle, i);
 			ret = -ENOENT;
@@ -749,8 +726,7 @@
 	if ((flush_domains | invalidate_domains) & I915_GEM_GPU_DOMAINS) {
 		for (i = 0; i < I915_NUM_RINGS; i++)
 			if (flush_rings & (1 << i)) {
-				ret = i915_gem_flush_ring(dev,
-							  &dev_priv->ring[i],
+				ret = i915_gem_flush_ring(&dev_priv->ring[i],
 							  invalidate_domains,
 							  flush_domains);
 				if (ret)
@@ -772,9 +748,9 @@
 	if (from == NULL || to == from)
 		return 0;
 
-	/* XXX gpu semaphores are currently causing hard hangs on SNB mobile */
-	if (INTEL_INFO(obj->base.dev)->gen < 6 || IS_MOBILE(obj->base.dev))
-		return i915_gem_object_wait_rendering(obj, true);
+	/* XXX gpu semaphores are implicated in various hard hangs on SNB */
+	if (INTEL_INFO(obj->base.dev)->gen < 6 || !i915_semaphores)
+		return i915_gem_object_wait_rendering(obj);
 
 	idx = intel_ring_sync_index(from, to);
 
@@ -789,7 +765,7 @@
 		if (request == NULL)
 			return -ENOMEM;
 
-		ret = i915_add_request(obj->base.dev, NULL, request, from);
+		ret = i915_add_request(from, NULL, request);
 		if (ret) {
 			kfree(request);
 			return ret;
@@ -803,6 +779,39 @@
 }
 
 static int
+i915_gem_execbuffer_wait_for_flips(struct intel_ring_buffer *ring, u32 flips)
+{
+	u32 plane, flip_mask;
+	int ret;
+
+	/* Check for any pending flips. As we only maintain a flip queue depth
+	 * of 1, we can simply insert a WAIT for the next display flip prior
+	 * to executing the batch and avoid stalling the CPU.
+	 */
+
+	for (plane = 0; flips >> plane; plane++) {
+		if (((flips >> plane) & 1) == 0)
+			continue;
+
+		if (plane)
+			flip_mask = MI_WAIT_FOR_PLANE_B_FLIP;
+		else
+			flip_mask = MI_WAIT_FOR_PLANE_A_FLIP;
+
+		ret = intel_ring_begin(ring, 2);
+		if (ret)
+			return ret;
+
+		intel_ring_emit(ring, MI_WAIT_FOR_EVENT | flip_mask);
+		intel_ring_emit(ring, MI_NOOP);
+		intel_ring_advance(ring);
+	}
+
+	return 0;
+}
+
+
+static int
 i915_gem_execbuffer_move_to_gpu(struct intel_ring_buffer *ring,
 				struct list_head *objects)
 {
@@ -810,19 +819,11 @@
 	struct change_domains cd;
 	int ret;
 
-	cd.invalidate_domains = 0;
-	cd.flush_domains = 0;
-	cd.flush_rings = 0;
+	memset(&cd, 0, sizeof(cd));
 	list_for_each_entry(obj, objects, exec_list)
 		i915_gem_object_set_to_gpu_domain(obj, ring, &cd);
 
 	if (cd.invalidate_domains | cd.flush_domains) {
-#if WATCH_EXEC
-		DRM_INFO("%s: invalidate_domains %08x flush_domains %08x\n",
-			  __func__,
-			 cd.invalidate_domains,
-			 cd.flush_domains);
-#endif
 		ret = i915_gem_execbuffer_flush(ring->dev,
 						cd.invalidate_domains,
 						cd.flush_domains,
@@ -831,6 +832,12 @@
 			return ret;
 	}
 
+	if (cd.flips) {
+		ret = i915_gem_execbuffer_wait_for_flips(ring, cd.flips);
+		if (ret)
+			return ret;
+	}
+
 	list_for_each_entry(obj, objects, exec_list) {
 		ret = i915_gem_execbuffer_sync_rings(obj, ring);
 		if (ret)
@@ -877,47 +884,6 @@
 	return 0;
 }
 
-static int
-i915_gem_execbuffer_wait_for_flips(struct intel_ring_buffer *ring,
-				   struct list_head *objects)
-{
-	struct drm_i915_gem_object *obj;
-	int flips;
-
-	/* Check for any pending flips. As we only maintain a flip queue depth
-	 * of 1, we can simply insert a WAIT for the next display flip prior
-	 * to executing the batch and avoid stalling the CPU.
-	 */
-	flips = 0;
-	list_for_each_entry(obj, objects, exec_list) {
-		if (obj->base.write_domain)
-			flips |= atomic_read(&obj->pending_flip);
-	}
-	if (flips) {
-		int plane, flip_mask, ret;
-
-		for (plane = 0; flips >> plane; plane++) {
-			if (((flips >> plane) & 1) == 0)
-				continue;
-
-			if (plane)
-				flip_mask = MI_WAIT_FOR_PLANE_B_FLIP;
-			else
-				flip_mask = MI_WAIT_FOR_PLANE_A_FLIP;
-
-			ret = intel_ring_begin(ring, 2);
-			if (ret)
-				return ret;
-
-			intel_ring_emit(ring, MI_WAIT_FOR_EVENT | flip_mask);
-			intel_ring_emit(ring, MI_NOOP);
-			intel_ring_advance(ring);
-		}
-	}
-
-	return 0;
-}
-
 static void
 i915_gem_execbuffer_move_to_active(struct list_head *objects,
 				   struct intel_ring_buffer *ring,
@@ -926,6 +892,10 @@
 	struct drm_i915_gem_object *obj;
 
 	list_for_each_entry(obj, objects, exec_list) {
+		  u32 old_read = obj->base.read_domains;
+		  u32 old_write = obj->base.write_domain;
+
+
 		obj->base.read_domains = obj->base.pending_read_domains;
 		obj->base.write_domain = obj->base.pending_write_domain;
 		obj->fenced_gpu_access = obj->pending_fenced_gpu_access;
@@ -939,9 +909,7 @@
 			intel_mark_busy(ring->dev, obj);
 		}
 
-		trace_i915_gem_object_change_domain(obj,
-						    obj->base.read_domains,
-						    obj->base.write_domain);
+		trace_i915_gem_object_change_domain(obj, old_read, old_write);
 	}
 }
 
@@ -963,14 +931,14 @@
 	if (INTEL_INFO(dev)->gen >= 4)
 		invalidate |= I915_GEM_DOMAIN_SAMPLER;
 	if (ring->flush(ring, invalidate, 0)) {
-		i915_gem_next_request_seqno(dev, ring);
+		i915_gem_next_request_seqno(ring);
 		return;
 	}
 
 	/* Add a breadcrumb for the completion of the batch buffer */
 	request = kzalloc(sizeof(*request), GFP_KERNEL);
-	if (request == NULL || i915_add_request(dev, file, request, ring)) {
-		i915_gem_next_request_seqno(dev, ring);
+	if (request == NULL || i915_add_request(ring, file, request)) {
+		i915_gem_next_request_seqno(ring);
 		kfree(request);
 	}
 }
@@ -1000,10 +968,6 @@
 	if (ret)
 		return ret;
 
-#if WATCH_EXEC
-	DRM_INFO("buffers_ptr %d buffer_count %d len %08x\n",
-		  (int) args->buffers_ptr, args->buffer_count, args->batch_len);
-#endif
 	switch (args->flags & I915_EXEC_RING_MASK) {
 	case I915_EXEC_DEFAULT:
 	case I915_EXEC_RENDER:
@@ -1113,7 +1077,7 @@
 
 		obj = to_intel_bo(drm_gem_object_lookup(dev, file,
 							exec[i].handle));
-		if (obj == NULL) {
+		if (&obj->base == NULL) {
 			DRM_ERROR("Invalid object handle %d at index %d\n",
 				   exec[i].handle, i);
 			/* prevent error path from reading uninitialized data */
@@ -1170,11 +1134,7 @@
 	if (ret)
 		goto err;
 
-	ret = i915_gem_execbuffer_wait_for_flips(ring, &objects);
-	if (ret)
-		goto err;
-
-	seqno = i915_gem_next_request_seqno(dev, ring);
+	seqno = i915_gem_next_request_seqno(ring);
 	for (i = 0; i < ARRAY_SIZE(ring->sync_seqno); i++) {
 		if (seqno < ring->sync_seqno[i]) {
 			/* The GPU can not handle its semaphore value wrapping,
@@ -1189,6 +1149,8 @@
 		}
 	}
 
+	trace_i915_gem_ring_dispatch(ring, seqno);
+
 	exec_start = batch_obj->gtt_offset + args->batch_start_offset;
 	exec_len = args->batch_len;
 	if (cliprects) {
@@ -1245,11 +1207,6 @@
 	struct drm_i915_gem_exec_object2 *exec2_list = NULL;
 	int ret, i;
 
-#if WATCH_EXEC
-	DRM_INFO("buffers_ptr %d buffer_count %d len %08x\n",
-		  (int) args->buffers_ptr, args->buffer_count, args->batch_len);
-#endif
-
 	if (args->buffer_count < 1) {
 		DRM_ERROR("execbuf with %d buffers\n", args->buffer_count);
 		return -EINVAL;
@@ -1330,17 +1287,16 @@
 	struct drm_i915_gem_exec_object2 *exec2_list = NULL;
 	int ret;
 
-#if WATCH_EXEC
-	DRM_INFO("buffers_ptr %d buffer_count %d len %08x\n",
-		  (int) args->buffers_ptr, args->buffer_count, args->batch_len);
-#endif
-
 	if (args->buffer_count < 1) {
 		DRM_ERROR("execbuf2 with %d buffers\n", args->buffer_count);
 		return -EINVAL;
 	}
 
-	exec2_list = drm_malloc_ab(sizeof(*exec2_list), args->buffer_count);
+	exec2_list = kmalloc(sizeof(*exec2_list)*args->buffer_count,
+			     GFP_KERNEL | __GFP_NOWARN | __GFP_NORETRY);
+	if (exec2_list == NULL)
+		exec2_list = drm_malloc_ab(sizeof(*exec2_list),
+					   args->buffer_count);
 	if (exec2_list == NULL) {
 		DRM_ERROR("Failed to allocate exec list for %d buffers\n",
 			  args->buffer_count);
diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c
index 22a32b9..281ad3d 100644
--- a/drivers/gpu/drm/i915/i915_gem_tiling.c
+++ b/drivers/gpu/drm/i915/i915_gem_tiling.c
@@ -284,14 +284,10 @@
 	struct drm_i915_gem_set_tiling *args = data;
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	struct drm_i915_gem_object *obj;
-	int ret;
-
-	ret = i915_gem_check_is_wedged(dev);
-	if (ret)
-		return ret;
+	int ret = 0;
 
 	obj = to_intel_bo(drm_gem_object_lookup(dev, file, args->handle));
-	if (obj == NULL)
+	if (&obj->base == NULL)
 		return -ENOENT;
 
 	if (!i915_tiling_ok(dev,
@@ -349,14 +345,27 @@
 			(obj->gtt_offset + obj->base.size <= dev_priv->mm.gtt_mappable_end &&
 			 i915_gem_object_fence_ok(obj, args->tiling_mode));
 
-		obj->tiling_changed = true;
-		obj->tiling_mode = args->tiling_mode;
-		obj->stride = args->stride;
+		/* Rebind if we need a change of alignment */
+		if (!obj->map_and_fenceable) {
+			u32 unfenced_alignment =
+				i915_gem_get_unfenced_gtt_alignment(obj);
+			if (obj->gtt_offset & (unfenced_alignment - 1))
+				ret = i915_gem_object_unbind(obj);
+		}
+
+		if (ret == 0) {
+			obj->tiling_changed = true;
+			obj->tiling_mode = args->tiling_mode;
+			obj->stride = args->stride;
+		}
 	}
+	/* we have to maintain this existing ABI... */
+	args->stride = obj->stride;
+	args->tiling_mode = obj->tiling_mode;
 	drm_gem_object_unreference(&obj->base);
 	mutex_unlock(&dev->struct_mutex);
 
-	return 0;
+	return ret;
 }
 
 /**
@@ -371,7 +380,7 @@
 	struct drm_i915_gem_object *obj;
 
 	obj = to_intel_bo(drm_gem_object_lookup(dev, file, args->handle));
-	if (obj == NULL)
+	if (&obj->base == NULL)
 		return -ENOENT;
 
 	mutex_lock(&dev->struct_mutex);
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 97f946dc..188b497 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -85,21 +85,11 @@
 	}
 }
 
-static inline u32
-i915_pipestat(int pipe)
-{
-	if (pipe == 0)
-		return PIPEASTAT;
-	if (pipe == 1)
-		return PIPEBSTAT;
-	BUG();
-}
-
 void
 i915_enable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask)
 {
 	if ((dev_priv->pipestat[pipe] & mask) != mask) {
-		u32 reg = i915_pipestat(pipe);
+		u32 reg = PIPESTAT(pipe);
 
 		dev_priv->pipestat[pipe] |= mask;
 		/* Enable the interrupt, clear any pending status */
@@ -112,7 +102,7 @@
 i915_disable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask)
 {
 	if ((dev_priv->pipestat[pipe] & mask) != 0) {
-		u32 reg = i915_pipestat(pipe);
+		u32 reg = PIPESTAT(pipe);
 
 		dev_priv->pipestat[pipe] &= ~mask;
 		I915_WRITE(reg, dev_priv->pipestat[pipe]);
@@ -171,12 +161,12 @@
 
 	if (!i915_pipe_enabled(dev, pipe)) {
 		DRM_DEBUG_DRIVER("trying to get vblank count for disabled "
-				"pipe %d\n", pipe);
+				"pipe %c\n", pipe_name(pipe));
 		return 0;
 	}
 
-	high_frame = pipe ? PIPEBFRAMEHIGH : PIPEAFRAMEHIGH;
-	low_frame = pipe ? PIPEBFRAMEPIXEL : PIPEAFRAMEPIXEL;
+	high_frame = PIPEFRAME(pipe);
+	low_frame = PIPEFRAMEPIXEL(pipe);
 
 	/*
 	 * High & low register fields aren't synchronized, so make sure
@@ -197,11 +187,11 @@
 u32 gm45_get_vblank_counter(struct drm_device *dev, int pipe)
 {
 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
-	int reg = pipe ? PIPEB_FRMCOUNT_GM45 : PIPEA_FRMCOUNT_GM45;
+	int reg = PIPE_FRMCOUNT_GM45(pipe);
 
 	if (!i915_pipe_enabled(dev, pipe)) {
 		DRM_DEBUG_DRIVER("trying to get vblank count for disabled "
-					"pipe %d\n", pipe);
+				 "pipe %c\n", pipe_name(pipe));
 		return 0;
 	}
 
@@ -219,7 +209,7 @@
 
 	if (!i915_pipe_enabled(dev, pipe)) {
 		DRM_DEBUG_DRIVER("trying to get scanoutpos for disabled "
-					"pipe %d\n", pipe);
+				 "pipe %c\n", pipe_name(pipe));
 		return 0;
 	}
 
@@ -316,6 +306,8 @@
 	struct drm_mode_config *mode_config = &dev->mode_config;
 	struct intel_encoder *encoder;
 
+	DRM_DEBUG_KMS("running encoder hotplug functions\n");
+
 	list_for_each_entry(encoder, &mode_config->encoder_list, base.head)
 		if (encoder->hot_plug)
 			encoder->hot_plug(encoder);
@@ -365,7 +357,7 @@
 		return;
 
 	seqno = ring->get_seqno(ring);
-	trace_i915_gem_request_complete(dev, seqno);
+	trace_i915_gem_request_complete(ring, seqno);
 
 	ring->irq_seqno = seqno;
 	wake_up_all(&ring->irq_queue);
@@ -417,6 +409,7 @@
 {
 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
 	u32 pch_iir;
+	int pipe;
 
 	pch_iir = I915_READ(SDEIIR);
 
@@ -437,13 +430,11 @@
 	if (pch_iir & SDE_POISON)
 		DRM_ERROR("PCH poison interrupt\n");
 
-	if (pch_iir & SDE_FDI_MASK) {
-		u32 fdia, fdib;
-
-		fdia = I915_READ(FDI_RXA_IIR);
-		fdib = I915_READ(FDI_RXB_IIR);
-		DRM_DEBUG_DRIVER("PCH FDI RX interrupt; FDI RXA IIR: 0x%08x, FDI RXB IIR: 0x%08x\n", fdia, fdib);
-	}
+	if (pch_iir & SDE_FDI_MASK)
+		for_each_pipe(pipe)
+			DRM_DEBUG_DRIVER("  pipe %c FDI IIR: 0x%08x\n",
+					 pipe_name(pipe),
+					 I915_READ(FDI_RX_IIR(pipe)));
 
 	if (pch_iir & (SDE_TRANSB_CRC_DONE | SDE_TRANSA_CRC_DONE))
 		DRM_DEBUG_DRIVER("PCH transcoder CRC done interrupt\n");
@@ -648,9 +639,14 @@
 i915_error_state_free(struct drm_device *dev,
 		      struct drm_i915_error_state *error)
 {
-	i915_error_object_free(error->batchbuffer[0]);
-	i915_error_object_free(error->batchbuffer[1]);
-	i915_error_object_free(error->ringbuffer);
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(error->batchbuffer); i++)
+		i915_error_object_free(error->batchbuffer[i]);
+
+	for (i = 0; i < ARRAY_SIZE(error->ringbuffer); i++)
+		i915_error_object_free(error->ringbuffer[i]);
+
 	kfree(error->active_bo);
 	kfree(error->overlay);
 	kfree(error);
@@ -765,7 +761,7 @@
 	struct drm_i915_gem_object *obj;
 	struct drm_i915_error_state *error;
 	unsigned long flags;
-	int i;
+	int i, pipe;
 
 	spin_lock_irqsave(&dev_priv->error_lock, flags);
 	error = dev_priv->first_error;
@@ -773,19 +769,21 @@
 	if (error)
 		return;
 
+	/* Account for pipe specific data like PIPE*STAT */
 	error = kmalloc(sizeof(*error), GFP_ATOMIC);
 	if (!error) {
 		DRM_DEBUG_DRIVER("out of memory, not capturing error state\n");
 		return;
 	}
 
-	DRM_DEBUG_DRIVER("generating error event\n");
+	DRM_INFO("capturing error event; look for more information in /debug/dri/%d/i915_error_state\n",
+		 dev->primary->index);
 
 	error->seqno = dev_priv->ring[RCS].get_seqno(&dev_priv->ring[RCS]);
 	error->eir = I915_READ(EIR);
 	error->pgtbl_er = I915_READ(PGTBL_ER);
-	error->pipeastat = I915_READ(PIPEASTAT);
-	error->pipebstat = I915_READ(PIPEBSTAT);
+	for_each_pipe(pipe)
+		error->pipestat[pipe] = I915_READ(PIPESTAT(pipe));
 	error->instpm = I915_READ(INSTPM);
 	error->error = 0;
 	if (INTEL_INFO(dev)->gen >= 6) {
@@ -824,15 +822,16 @@
 	}
 	i915_gem_record_fences(dev, error);
 
-	/* Record the active batchbuffers */
-	for (i = 0; i < I915_NUM_RINGS; i++)
+	/* Record the active batch and ring buffers */
+	for (i = 0; i < I915_NUM_RINGS; i++) {
 		error->batchbuffer[i] =
 			i915_error_first_batchbuffer(dev_priv,
 						     &dev_priv->ring[i]);
 
-	/* Record the ringbuffer */
-	error->ringbuffer = i915_error_object_create(dev_priv,
-						     dev_priv->ring[RCS].obj);
+		error->ringbuffer[i] =
+			i915_error_object_create(dev_priv,
+						 dev_priv->ring[i].obj);
+	}
 
 	/* Record buffers on the active and pinned lists. */
 	error->active_bo = NULL;
@@ -905,6 +904,7 @@
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	u32 eir = I915_READ(EIR);
+	int pipe;
 
 	if (!eir)
 		return;
@@ -953,14 +953,10 @@
 	}
 
 	if (eir & I915_ERROR_MEMORY_REFRESH) {
-		u32 pipea_stats = I915_READ(PIPEASTAT);
-		u32 pipeb_stats = I915_READ(PIPEBSTAT);
-
-		printk(KERN_ERR "memory refresh error\n");
-		printk(KERN_ERR "PIPEASTAT: 0x%08x\n",
-		       pipea_stats);
-		printk(KERN_ERR "PIPEBSTAT: 0x%08x\n",
-		       pipeb_stats);
+		printk(KERN_ERR "memory refresh error:\n");
+		for_each_pipe(pipe)
+			printk(KERN_ERR "pipe %c stat: 0x%08x\n",
+			       pipe_name(pipe), I915_READ(PIPESTAT(pipe)));
 		/* pipestat has already been acked */
 	}
 	if (eir & I915_ERROR_INSTRUCTION) {
@@ -1074,10 +1070,10 @@
 	/* Potential stall - if we see that the flip has happened, assume a missed interrupt */
 	obj = work->pending_flip_obj;
 	if (INTEL_INFO(dev)->gen >= 4) {
-		int dspsurf = intel_crtc->plane == 0 ? DSPASURF : DSPBSURF;
+		int dspsurf = DSPSURF(intel_crtc->plane);
 		stall_detected = I915_READ(dspsurf) == obj->gtt_offset;
 	} else {
-		int dspaddr = intel_crtc->plane == 0 ? DSPAADDR : DSPBADDR;
+		int dspaddr = DSPADDR(intel_crtc->plane);
 		stall_detected = I915_READ(dspaddr) == (obj->gtt_offset +
 							crtc->y * crtc->fb->pitch +
 							crtc->x * crtc->fb->bits_per_pixel/8);
@@ -1097,12 +1093,13 @@
 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
 	struct drm_i915_master_private *master_priv;
 	u32 iir, new_iir;
-	u32 pipea_stats, pipeb_stats;
+	u32 pipe_stats[I915_MAX_PIPES];
 	u32 vblank_status;
 	int vblank = 0;
 	unsigned long irqflags;
 	int irq_received;
-	int ret = IRQ_NONE;
+	int ret = IRQ_NONE, pipe;
+	bool blc_event = false;
 
 	atomic_inc(&dev_priv->irq_received);
 
@@ -1125,27 +1122,23 @@
 		 * interrupts (for non-MSI).
 		 */
 		spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
-		pipea_stats = I915_READ(PIPEASTAT);
-		pipeb_stats = I915_READ(PIPEBSTAT);
-
 		if (iir & I915_RENDER_COMMAND_PARSER_ERROR_INTERRUPT)
 			i915_handle_error(dev, false);
 
-		/*
-		 * Clear the PIPE(A|B)STAT regs before the IIR
-		 */
-		if (pipea_stats & 0x8000ffff) {
-			if (pipea_stats &  PIPE_FIFO_UNDERRUN_STATUS)
-				DRM_DEBUG_DRIVER("pipe a underrun\n");
-			I915_WRITE(PIPEASTAT, pipea_stats);
-			irq_received = 1;
-		}
+		for_each_pipe(pipe) {
+			int reg = PIPESTAT(pipe);
+			pipe_stats[pipe] = I915_READ(reg);
 
-		if (pipeb_stats & 0x8000ffff) {
-			if (pipeb_stats &  PIPE_FIFO_UNDERRUN_STATUS)
-				DRM_DEBUG_DRIVER("pipe b underrun\n");
-			I915_WRITE(PIPEBSTAT, pipeb_stats);
-			irq_received = 1;
+			/*
+			 * Clear the PIPE*STAT regs before the IIR
+			 */
+			if (pipe_stats[pipe] & 0x8000ffff) {
+				if (pipe_stats[pipe] & PIPE_FIFO_UNDERRUN_STATUS)
+					DRM_DEBUG_DRIVER("pipe %c underrun\n",
+							 pipe_name(pipe));
+				I915_WRITE(reg, pipe_stats[pipe]);
+				irq_received = 1;
+			}
 		}
 		spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
 
@@ -1196,27 +1189,22 @@
 				intel_finish_page_flip_plane(dev, 1);
 		}
 
-		if (pipea_stats & vblank_status &&
-		    drm_handle_vblank(dev, 0)) {
-			vblank++;
-			if (!dev_priv->flip_pending_is_done) {
-				i915_pageflip_stall_check(dev, 0);
-				intel_finish_page_flip(dev, 0);
+		for_each_pipe(pipe) {
+			if (pipe_stats[pipe] & vblank_status &&
+			    drm_handle_vblank(dev, pipe)) {
+				vblank++;
+				if (!dev_priv->flip_pending_is_done) {
+					i915_pageflip_stall_check(dev, pipe);
+					intel_finish_page_flip(dev, pipe);
+				}
 			}
+
+			if (pipe_stats[pipe] & PIPE_LEGACY_BLC_EVENT_STATUS)
+				blc_event = true;
 		}
 
-		if (pipeb_stats & vblank_status &&
-		    drm_handle_vblank(dev, 1)) {
-			vblank++;
-			if (!dev_priv->flip_pending_is_done) {
-				i915_pageflip_stall_check(dev, 1);
-				intel_finish_page_flip(dev, 1);
-			}
-		}
 
-		if ((pipea_stats & PIPE_LEGACY_BLC_EVENT_STATUS) ||
-		    (pipeb_stats & PIPE_LEGACY_BLC_EVENT_STATUS) ||
-		    (iir & I915_ASLE_INTERRUPT))
+		if (blc_event || (iir & I915_ASLE_INTERRUPT))
 			intel_opregion_asle_intr(dev);
 
 		/* With MSI, interrupts are only generated when iir
@@ -1266,16 +1254,6 @@
 	return dev_priv->counter;
 }
 
-void i915_trace_irq_get(struct drm_device *dev, u32 seqno)
-{
-	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
-	struct intel_ring_buffer *ring = LP_RING(dev_priv);
-
-	if (dev_priv->trace_irq_seqno == 0 &&
-	    ring->irq_get(ring))
-		dev_priv->trace_irq_seqno = seqno;
-}
-
 static int i915_wait_irq(struct drm_device * dev, int irq_nr)
 {
 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
@@ -1375,7 +1353,12 @@
 	else
 		i915_enable_pipestat(dev_priv, pipe,
 				     PIPE_VBLANK_INTERRUPT_ENABLE);
+
+	/* maintain vblank delivery even in deep C-states */
+	if (dev_priv->info->gen == 3)
+		I915_WRITE(INSTPM, INSTPM_AGPBUSY_DIS << 16);
 	spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
+
 	return 0;
 }
 
@@ -1388,6 +1371,10 @@
 	unsigned long irqflags;
 
 	spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
+	if (dev_priv->info->gen == 3)
+		I915_WRITE(INSTPM,
+			   INSTPM_AGPBUSY_DIS << 16 | INSTPM_AGPBUSY_DIS);
+
 	if (HAS_PCH_SPLIT(dev))
 		ironlake_disable_display_irq(dev_priv, (pipe == 0) ?
 					     DE_PIPEA_VBLANK: DE_PIPEB_VBLANK);
@@ -1398,16 +1385,6 @@
 	spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
 }
 
-void i915_enable_interrupt (struct drm_device *dev)
-{
-	struct drm_i915_private *dev_priv = dev->dev_private;
-
-	if (!HAS_PCH_SPLIT(dev))
-		intel_opregion_enable_asle(dev);
-	dev_priv->irq_enabled = 1;
-}
-
-
 /* Set the vblank monitor pipe
  */
 int i915_vblank_pipe_set(struct drm_device *dev, void *data,
@@ -1644,14 +1621,16 @@
 	POSTING_READ(GTIER);
 
 	if (HAS_PCH_CPT(dev)) {
-		hotplug_mask = SDE_CRT_HOTPLUG_CPT | SDE_PORTB_HOTPLUG_CPT  |
-			       SDE_PORTC_HOTPLUG_CPT | SDE_PORTD_HOTPLUG_CPT ;
+		hotplug_mask = (SDE_CRT_HOTPLUG_CPT |
+				SDE_PORTB_HOTPLUG_CPT |
+				SDE_PORTC_HOTPLUG_CPT |
+				SDE_PORTD_HOTPLUG_CPT);
 	} else {
-		hotplug_mask = SDE_CRT_HOTPLUG | SDE_PORTB_HOTPLUG |
-			       SDE_PORTC_HOTPLUG | SDE_PORTD_HOTPLUG;
-		hotplug_mask |= SDE_AUX_MASK | SDE_FDI_MASK | SDE_TRANS_MASK;
-		I915_WRITE(FDI_RXA_IMR, 0);
-		I915_WRITE(FDI_RXB_IMR, 0);
+		hotplug_mask = (SDE_CRT_HOTPLUG |
+				SDE_PORTB_HOTPLUG |
+				SDE_PORTC_HOTPLUG |
+				SDE_PORTD_HOTPLUG |
+				SDE_AUX_MASK);
 	}
 
 	dev_priv->pch_irq_mask = ~hotplug_mask;
@@ -1674,6 +1653,7 @@
 void i915_driver_irq_preinstall(struct drm_device * dev)
 {
 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+	int pipe;
 
 	atomic_set(&dev_priv->irq_received, 0);
 
@@ -1691,8 +1671,8 @@
 	}
 
 	I915_WRITE(HWSTAM, 0xeffe);
-	I915_WRITE(PIPEASTAT, 0);
-	I915_WRITE(PIPEBSTAT, 0);
+	for_each_pipe(pipe)
+		I915_WRITE(PIPESTAT(pipe), 0);
 	I915_WRITE(IMR, 0xffffffff);
 	I915_WRITE(IER, 0x0);
 	POSTING_READ(IER);
@@ -1804,6 +1784,7 @@
 void i915_driver_irq_uninstall(struct drm_device * dev)
 {
 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+	int pipe;
 
 	if (!dev_priv)
 		return;
@@ -1821,12 +1802,13 @@
 	}
 
 	I915_WRITE(HWSTAM, 0xffffffff);
-	I915_WRITE(PIPEASTAT, 0);
-	I915_WRITE(PIPEBSTAT, 0);
+	for_each_pipe(pipe)
+		I915_WRITE(PIPESTAT(pipe), 0);
 	I915_WRITE(IMR, 0xffffffff);
 	I915_WRITE(IER, 0x0);
 
-	I915_WRITE(PIPEASTAT, I915_READ(PIPEASTAT) & 0x8000ffff);
-	I915_WRITE(PIPEBSTAT, I915_READ(PIPEBSTAT) & 0x8000ffff);
+	for_each_pipe(pipe)
+		I915_WRITE(PIPESTAT(pipe),
+			   I915_READ(PIPESTAT(pipe)) & 0x8000ffff);
 	I915_WRITE(IIR, I915_READ(IIR));
 }
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 5cfc689..363f66c 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -174,7 +174,9 @@
  *   address/value pairs. Don't overdue it, though, x <= 2^4 must hold!
  */
 #define MI_LOAD_REGISTER_IMM(x)	MI_INSTR(0x22, 2*x-1)
-#define MI_FLUSH_DW		MI_INSTR(0x26, 2) /* for GEN6 */
+#define MI_FLUSH_DW		MI_INSTR(0x26, 1) /* for GEN6 */
+#define   MI_INVALIDATE_TLB	(1<<18)
+#define   MI_INVALIDATE_BSD	(1<<7)
 #define MI_BATCH_BUFFER		MI_INSTR(0x30, 1)
 #define   MI_BATCH_NON_SECURE	(1)
 #define   MI_BATCH_NON_SECURE_I965 (1<<8)
@@ -403,9 +405,12 @@
 #define   I915_ERROR_INSTRUCTION			(1<<0)
 #define INSTPM	        0x020c0
 #define   INSTPM_SELF_EN (1<<12) /* 915GM only */
+#define   INSTPM_AGPBUSY_DIS (1<<11) /* gen3: when disabled, pending interrupts
+					will not assert AGPBUSY# and will only
+					be delivered when out of C3. */
 #define ACTHD	        0x020c8
 #define FW_BLC		0x020d8
-#define FW_BLC2	 	0x020dc
+#define FW_BLC2		0x020dc
 #define FW_BLC_SELF	0x020e0 /* 915+ only */
 #define   FW_BLC_SELF_EN_MASK      (1<<31)
 #define   FW_BLC_SELF_FIFO_MASK    (1<<16) /* 945 only */
@@ -704,9 +709,9 @@
 #define   VGA1_PD_P1_DIV_2	(1 << 13)
 #define   VGA1_PD_P1_SHIFT	8
 #define   VGA1_PD_P1_MASK	(0x1f << 8)
-#define DPLL_A	0x06014
-#define DPLL_B	0x06018
-#define DPLL(pipe) _PIPE(pipe, DPLL_A, DPLL_B)
+#define _DPLL_A	0x06014
+#define _DPLL_B	0x06018
+#define DPLL(pipe) _PIPE(pipe, _DPLL_A, _DPLL_B)
 #define   DPLL_VCO_ENABLE		(1 << 31)
 #define   DPLL_DVO_HIGH_SPEED		(1 << 30)
 #define   DPLL_SYNCLOCK_ENABLE		(1 << 29)
@@ -777,7 +782,7 @@
 #define   SDVO_MULTIPLIER_MASK			0x000000ff
 #define   SDVO_MULTIPLIER_SHIFT_HIRES		4
 #define   SDVO_MULTIPLIER_SHIFT_VGA		0
-#define DPLL_A_MD 0x0601c /* 965+ only */
+#define _DPLL_A_MD 0x0601c /* 965+ only */
 /*
  * UDI pixel divider, controlling how many pixels are stuffed into a packet.
  *
@@ -814,14 +819,14 @@
  */
 #define   DPLL_MD_VGA_UDI_MULTIPLIER_MASK	0x0000003f
 #define   DPLL_MD_VGA_UDI_MULTIPLIER_SHIFT	0
-#define DPLL_B_MD 0x06020 /* 965+ only */
-#define DPLL_MD(pipe) _PIPE(pipe, DPLL_A_MD, DPLL_B_MD)
-#define FPA0	0x06040
-#define FPA1	0x06044
-#define FPB0	0x06048
-#define FPB1	0x0604c
-#define FP0(pipe) _PIPE(pipe, FPA0, FPB0)
-#define FP1(pipe) _PIPE(pipe, FPA1, FPB1)
+#define _DPLL_B_MD 0x06020 /* 965+ only */
+#define DPLL_MD(pipe) _PIPE(pipe, _DPLL_A_MD, _DPLL_B_MD)
+#define _FPA0	0x06040
+#define _FPA1	0x06044
+#define _FPB0	0x06048
+#define _FPB1	0x0604c
+#define FP0(pipe) _PIPE(pipe, _FPA0, _FPB0)
+#define FP1(pipe) _PIPE(pipe, _FPA1, _FPB1)
 #define   FP_N_DIV_MASK		0x003f0000
 #define   FP_N_PINEVIEW_DIV_MASK	0x00ff0000
 #define   FP_N_DIV_SHIFT		16
@@ -960,8 +965,9 @@
  * Palette regs
  */
 
-#define PALETTE_A		0x0a000
-#define PALETTE_B		0x0a800
+#define _PALETTE_A		0x0a000
+#define _PALETTE_B		0x0a800
+#define PALETTE(pipe) _PIPE(pipe, _PALETTE_A, _PALETTE_B)
 
 /* MCH MMIO space */
 
@@ -1265,32 +1271,32 @@
  */
 
 /* Pipe A timing regs */
-#define HTOTAL_A	0x60000
-#define HBLANK_A	0x60004
-#define HSYNC_A		0x60008
-#define VTOTAL_A	0x6000c
-#define VBLANK_A	0x60010
-#define VSYNC_A		0x60014
-#define PIPEASRC	0x6001c
-#define BCLRPAT_A	0x60020
+#define _HTOTAL_A	0x60000
+#define _HBLANK_A	0x60004
+#define _HSYNC_A		0x60008
+#define _VTOTAL_A	0x6000c
+#define _VBLANK_A	0x60010
+#define _VSYNC_A		0x60014
+#define _PIPEASRC	0x6001c
+#define _BCLRPAT_A	0x60020
 
 /* Pipe B timing regs */
-#define HTOTAL_B	0x61000
-#define HBLANK_B	0x61004
-#define HSYNC_B		0x61008
-#define VTOTAL_B	0x6100c
-#define VBLANK_B	0x61010
-#define VSYNC_B		0x61014
-#define PIPEBSRC	0x6101c
-#define BCLRPAT_B	0x61020
+#define _HTOTAL_B	0x61000
+#define _HBLANK_B	0x61004
+#define _HSYNC_B		0x61008
+#define _VTOTAL_B	0x6100c
+#define _VBLANK_B	0x61010
+#define _VSYNC_B		0x61014
+#define _PIPEBSRC	0x6101c
+#define _BCLRPAT_B	0x61020
 
-#define HTOTAL(pipe) _PIPE(pipe, HTOTAL_A, HTOTAL_B)
-#define HBLANK(pipe) _PIPE(pipe, HBLANK_A, HBLANK_B)
-#define HSYNC(pipe) _PIPE(pipe, HSYNC_A, HSYNC_B)
-#define VTOTAL(pipe) _PIPE(pipe, VTOTAL_A, VTOTAL_B)
-#define VBLANK(pipe) _PIPE(pipe, VBLANK_A, VBLANK_B)
-#define VSYNC(pipe) _PIPE(pipe, VSYNC_A, VSYNC_B)
-#define BCLRPAT(pipe) _PIPE(pipe, BCLRPAT_A, BCLRPAT_B)
+#define HTOTAL(pipe) _PIPE(pipe, _HTOTAL_A, _HTOTAL_B)
+#define HBLANK(pipe) _PIPE(pipe, _HBLANK_A, _HBLANK_B)
+#define HSYNC(pipe) _PIPE(pipe, _HSYNC_A, _HSYNC_B)
+#define VTOTAL(pipe) _PIPE(pipe, _VTOTAL_A, _VTOTAL_B)
+#define VBLANK(pipe) _PIPE(pipe, _VBLANK_A, _VBLANK_B)
+#define VSYNC(pipe) _PIPE(pipe, _VSYNC_A, _VSYNC_B)
+#define BCLRPAT(pipe) _PIPE(pipe, _BCLRPAT_A, _BCLRPAT_B)
 
 /* VGA port control */
 #define ADPA			0x61100
@@ -1384,6 +1390,7 @@
 #define   SDVO_ENCODING_HDMI		(0x2 << 10)
 /** Requird for HDMI operation */
 #define   SDVO_NULL_PACKETS_DURING_VSYNC (1 << 9)
+#define   SDVO_COLOR_RANGE_16_235	(1 << 8)
 #define   SDVO_BORDER_ENABLE		(1 << 7)
 #define   SDVO_AUDIO_ENABLE		(1 << 6)
 /** New with 965, default is to be set */
@@ -1439,8 +1446,13 @@
 #define   LVDS_PORT_EN			(1 << 31)
 /* Selects pipe B for LVDS data.  Must be set on pre-965. */
 #define   LVDS_PIPEB_SELECT		(1 << 30)
+#define   LVDS_PIPE_MASK		(1 << 30)
 /* LVDS dithering flag on 965/g4x platform */
 #define   LVDS_ENABLE_DITHER		(1 << 25)
+/* LVDS sync polarity flags. Set to invert (i.e. negative) */
+#define   LVDS_VSYNC_POLARITY		(1 << 21)
+#define   LVDS_HSYNC_POLARITY		(1 << 20)
+
 /* Enable border for unscaled (or aspect-scaled) display */
 #define   LVDS_BORDER_ENABLE		(1 << 15)
 /*
@@ -1474,6 +1486,9 @@
 #define   LVDS_B0B3_POWER_DOWN		(0 << 2)
 #define   LVDS_B0B3_POWER_UP		(3 << 2)
 
+#define LVDS_PIPE_ENABLED(V, P) \
+	(((V) & (LVDS_PIPE_MASK | LVDS_PORT_EN)) == ((P) << 30 | LVDS_PORT_EN))
+
 /* Video Data Island Packet control */
 #define VIDEO_DIP_DATA		0x61178
 #define VIDEO_DIP_CTL		0x61170
@@ -1551,17 +1566,7 @@
 
 /* Backlight control */
 #define BLC_PWM_CTL		0x61254
-#define   BACKLIGHT_MODULATION_FREQ_SHIFT		(17)
 #define BLC_PWM_CTL2		0x61250 /* 965+ only */
-#define   BLM_COMBINATION_MODE (1 << 30)
-/*
- * This is the most significant 15 bits of the number of backlight cycles in a
- * complete cycle of the modulated backlight control.
- *
- * The actual value is this field multiplied by two.
- */
-#define   BACKLIGHT_MODULATION_FREQ_MASK		(0x7fff << 17)
-#define   BLM_LEGACY_MODE				(1 << 16)
 /*
  * This is the number of cycles out of the backlight modulation cycle for which
  * the backlight is on.
@@ -2062,6 +2067,10 @@
 
 #define   DP_PORT_EN			(1 << 31)
 #define   DP_PIPEB_SELECT		(1 << 30)
+#define   DP_PIPE_MASK			(1 << 30)
+
+#define DP_PIPE_ENABLED(V, P) \
+	(((V) & (DP_PIPE_MASK | DP_PORT_EN)) == ((P) << 30 | DP_PORT_EN))
 
 /* Link training mode - select a suitable mode for each stage */
 #define   DP_LINK_TRAIN_PAT_1		(0 << 28)
@@ -2204,8 +2213,8 @@
  * which is after the LUTs, so we want the bytes for our color format.
  * For our current usage, this is always 3, one byte for R, G and B.
  */
-#define PIPEA_GMCH_DATA_M			0x70050
-#define PIPEB_GMCH_DATA_M			0x71050
+#define _PIPEA_GMCH_DATA_M			0x70050
+#define _PIPEB_GMCH_DATA_M			0x71050
 
 /* Transfer unit size for display port - 1, default is 0x3f (for TU size 64) */
 #define   PIPE_GMCH_DATA_M_TU_SIZE_MASK		(0x3f << 25)
@@ -2213,8 +2222,8 @@
 
 #define   PIPE_GMCH_DATA_M_MASK			(0xffffff)
 
-#define PIPEA_GMCH_DATA_N			0x70054
-#define PIPEB_GMCH_DATA_N			0x71054
+#define _PIPEA_GMCH_DATA_N			0x70054
+#define _PIPEB_GMCH_DATA_N			0x71054
 #define   PIPE_GMCH_DATA_N_MASK			(0xffffff)
 
 /*
@@ -2228,20 +2237,25 @@
  * Attributes and VB-ID.
  */
 
-#define PIPEA_DP_LINK_M				0x70060
-#define PIPEB_DP_LINK_M				0x71060
+#define _PIPEA_DP_LINK_M				0x70060
+#define _PIPEB_DP_LINK_M				0x71060
 #define   PIPEA_DP_LINK_M_MASK			(0xffffff)
 
-#define PIPEA_DP_LINK_N				0x70064
-#define PIPEB_DP_LINK_N				0x71064
+#define _PIPEA_DP_LINK_N				0x70064
+#define _PIPEB_DP_LINK_N				0x71064
 #define   PIPEA_DP_LINK_N_MASK			(0xffffff)
 
+#define PIPE_GMCH_DATA_M(pipe) _PIPE(pipe, _PIPEA_GMCH_DATA_M, _PIPEB_GMCH_DATA_M)
+#define PIPE_GMCH_DATA_N(pipe) _PIPE(pipe, _PIPEA_GMCH_DATA_N, _PIPEB_GMCH_DATA_N)
+#define PIPE_DP_LINK_M(pipe) _PIPE(pipe, _PIPEA_DP_LINK_M, _PIPEB_DP_LINK_M)
+#define PIPE_DP_LINK_N(pipe) _PIPE(pipe, _PIPEA_DP_LINK_N, _PIPEB_DP_LINK_N)
+
 /* Display & cursor control */
 
 /* Pipe A */
-#define PIPEADSL		0x70000
+#define _PIPEADSL		0x70000
 #define   DSL_LINEMASK		0x00000fff
-#define PIPEACONF		0x70008
+#define _PIPEACONF		0x70008
 #define   PIPECONF_ENABLE	(1<<31)
 #define   PIPECONF_DISABLE	0
 #define   PIPECONF_DOUBLE_WIDE	(1<<30)
@@ -2267,7 +2281,7 @@
 #define   PIPECONF_DITHER_TYPE_ST1 (1<<2)
 #define   PIPECONF_DITHER_TYPE_ST2 (2<<2)
 #define   PIPECONF_DITHER_TYPE_TEMP (3<<2)
-#define PIPEASTAT		0x70024
+#define _PIPEASTAT		0x70024
 #define   PIPE_FIFO_UNDERRUN_STATUS		(1UL<<31)
 #define   PIPE_CRC_ERROR_ENABLE			(1UL<<29)
 #define   PIPE_CRC_DONE_ENABLE			(1UL<<28)
@@ -2303,10 +2317,12 @@
 #define   PIPE_6BPC				(2 << 5)
 #define   PIPE_12BPC				(3 << 5)
 
-#define PIPESRC(pipe) _PIPE(pipe, PIPEASRC, PIPEBSRC)
-#define PIPECONF(pipe) _PIPE(pipe, PIPEACONF, PIPEBCONF)
-#define PIPEDSL(pipe)  _PIPE(pipe, PIPEADSL, PIPEBDSL)
-#define PIPEFRAMEPIXEL(pipe)  _PIPE(pipe, PIPEAFRAMEPIXEL, PIPEBFRAMEPIXEL)
+#define PIPESRC(pipe) _PIPE(pipe, _PIPEASRC, _PIPEBSRC)
+#define PIPECONF(pipe) _PIPE(pipe, _PIPEACONF, _PIPEBCONF)
+#define PIPEDSL(pipe)  _PIPE(pipe, _PIPEADSL, _PIPEBDSL)
+#define PIPEFRAME(pipe) _PIPE(pipe, _PIPEAFRAMEHIGH, _PIPEBFRAMEHIGH)
+#define PIPEFRAMEPIXEL(pipe)  _PIPE(pipe, _PIPEAFRAMEPIXEL, _PIPEBFRAMEPIXEL)
+#define PIPESTAT(pipe) _PIPE(pipe, _PIPEASTAT, _PIPEBSTAT)
 
 #define DSPARB			0x70030
 #define   DSPARB_CSTART_MASK	(0x7f << 7)
@@ -2468,20 +2484,21 @@
  *  } while (high1 != high2);
  *  frame = (high1 << 8) | low1;
  */
-#define PIPEAFRAMEHIGH          0x70040
+#define _PIPEAFRAMEHIGH          0x70040
 #define   PIPE_FRAME_HIGH_MASK    0x0000ffff
 #define   PIPE_FRAME_HIGH_SHIFT   0
-#define PIPEAFRAMEPIXEL         0x70044
+#define _PIPEAFRAMEPIXEL         0x70044
 #define   PIPE_FRAME_LOW_MASK     0xff000000
 #define   PIPE_FRAME_LOW_SHIFT    24
 #define   PIPE_PIXEL_MASK         0x00ffffff
 #define   PIPE_PIXEL_SHIFT        0
 /* GM45+ just has to be different */
-#define PIPEA_FRMCOUNT_GM45	0x70040
-#define PIPEA_FLIPCOUNT_GM45	0x70044
+#define _PIPEA_FRMCOUNT_GM45	0x70040
+#define _PIPEA_FLIPCOUNT_GM45	0x70044
+#define PIPE_FRMCOUNT_GM45(pipe) _PIPE(pipe, _PIPEA_FRMCOUNT_GM45, _PIPEB_FRMCOUNT_GM45)
 
 /* Cursor A & B regs */
-#define CURACNTR		0x70080
+#define _CURACNTR		0x70080
 /* Old style CUR*CNTR flags (desktop 8xx) */
 #define   CURSOR_ENABLE		0x80000000
 #define   CURSOR_GAMMA_ENABLE	0x40000000
@@ -2502,23 +2519,23 @@
 #define   MCURSOR_PIPE_A	0x00
 #define   MCURSOR_PIPE_B	(1 << 28)
 #define   MCURSOR_GAMMA_ENABLE  (1 << 26)
-#define CURABASE		0x70084
-#define CURAPOS			0x70088
+#define _CURABASE		0x70084
+#define _CURAPOS			0x70088
 #define   CURSOR_POS_MASK       0x007FF
 #define   CURSOR_POS_SIGN       0x8000
 #define   CURSOR_X_SHIFT        0
 #define   CURSOR_Y_SHIFT        16
 #define CURSIZE			0x700a0
-#define CURBCNTR		0x700c0
-#define CURBBASE		0x700c4
-#define CURBPOS			0x700c8
+#define _CURBCNTR		0x700c0
+#define _CURBBASE		0x700c4
+#define _CURBPOS			0x700c8
 
-#define CURCNTR(pipe) _PIPE(pipe, CURACNTR, CURBCNTR)
-#define CURBASE(pipe) _PIPE(pipe, CURABASE, CURBBASE)
-#define CURPOS(pipe) _PIPE(pipe, CURAPOS, CURBPOS)
+#define CURCNTR(pipe) _PIPE(pipe, _CURACNTR, _CURBCNTR)
+#define CURBASE(pipe) _PIPE(pipe, _CURABASE, _CURBBASE)
+#define CURPOS(pipe) _PIPE(pipe, _CURAPOS, _CURBPOS)
 
 /* Display A control */
-#define DSPACNTR                0x70180
+#define _DSPACNTR                0x70180
 #define   DISPLAY_PLANE_ENABLE			(1<<31)
 #define   DISPLAY_PLANE_DISABLE			0
 #define   DISPPLANE_GAMMA_ENABLE		(1<<30)
@@ -2532,9 +2549,10 @@
 #define   DISPPLANE_32BPP_30BIT_NO_ALPHA	(0xa<<26)
 #define   DISPPLANE_STEREO_ENABLE		(1<<25)
 #define   DISPPLANE_STEREO_DISABLE		0
-#define   DISPPLANE_SEL_PIPE_MASK		(1<<24)
+#define   DISPPLANE_SEL_PIPE_SHIFT		24
+#define   DISPPLANE_SEL_PIPE_MASK		(3<<DISPPLANE_SEL_PIPE_SHIFT)
 #define   DISPPLANE_SEL_PIPE_A			0
-#define   DISPPLANE_SEL_PIPE_B			(1<<24)
+#define   DISPPLANE_SEL_PIPE_B			(1<<DISPPLANE_SEL_PIPE_SHIFT)
 #define   DISPPLANE_SRC_KEY_ENABLE		(1<<22)
 #define   DISPPLANE_SRC_KEY_DISABLE		0
 #define   DISPPLANE_LINE_DOUBLE			(1<<20)
@@ -2543,20 +2561,20 @@
 #define   DISPPLANE_STEREO_POLARITY_SECOND	(1<<18)
 #define   DISPPLANE_TRICKLE_FEED_DISABLE	(1<<14) /* Ironlake */
 #define   DISPPLANE_TILED			(1<<10)
-#define DSPAADDR		0x70184
-#define DSPASTRIDE		0x70188
-#define DSPAPOS			0x7018C /* reserved */
-#define DSPASIZE		0x70190
-#define DSPASURF		0x7019C /* 965+ only */
-#define DSPATILEOFF		0x701A4 /* 965+ only */
+#define _DSPAADDR		0x70184
+#define _DSPASTRIDE		0x70188
+#define _DSPAPOS			0x7018C /* reserved */
+#define _DSPASIZE		0x70190
+#define _DSPASURF		0x7019C /* 965+ only */
+#define _DSPATILEOFF		0x701A4 /* 965+ only */
 
-#define DSPCNTR(plane) _PIPE(plane, DSPACNTR, DSPBCNTR)
-#define DSPADDR(plane) _PIPE(plane, DSPAADDR, DSPBADDR)
-#define DSPSTRIDE(plane) _PIPE(plane, DSPASTRIDE, DSPBSTRIDE)
-#define DSPPOS(plane) _PIPE(plane, DSPAPOS, DSPBPOS)
-#define DSPSIZE(plane) _PIPE(plane, DSPASIZE, DSPBSIZE)
-#define DSPSURF(plane) _PIPE(plane, DSPASURF, DSPBSURF)
-#define DSPTILEOFF(plane) _PIPE(plane, DSPATILEOFF, DSPBTILEOFF)
+#define DSPCNTR(plane) _PIPE(plane, _DSPACNTR, _DSPBCNTR)
+#define DSPADDR(plane) _PIPE(plane, _DSPAADDR, _DSPBADDR)
+#define DSPSTRIDE(plane) _PIPE(plane, _DSPASTRIDE, _DSPBSTRIDE)
+#define DSPPOS(plane) _PIPE(plane, _DSPAPOS, _DSPBPOS)
+#define DSPSIZE(plane) _PIPE(plane, _DSPASIZE, _DSPBSIZE)
+#define DSPSURF(plane) _PIPE(plane, _DSPASURF, _DSPBSURF)
+#define DSPTILEOFF(plane) _PIPE(plane, _DSPATILEOFF, _DSPBTILEOFF)
 
 /* VBIOS flags */
 #define SWF00			0x71410
@@ -2574,27 +2592,27 @@
 #define SWF32			0x7241c
 
 /* Pipe B */
-#define PIPEBDSL		0x71000
-#define PIPEBCONF		0x71008
-#define PIPEBSTAT		0x71024
-#define PIPEBFRAMEHIGH		0x71040
-#define PIPEBFRAMEPIXEL		0x71044
-#define PIPEB_FRMCOUNT_GM45	0x71040
-#define PIPEB_FLIPCOUNT_GM45	0x71044
+#define _PIPEBDSL		0x71000
+#define _PIPEBCONF		0x71008
+#define _PIPEBSTAT		0x71024
+#define _PIPEBFRAMEHIGH		0x71040
+#define _PIPEBFRAMEPIXEL		0x71044
+#define _PIPEB_FRMCOUNT_GM45	0x71040
+#define _PIPEB_FLIPCOUNT_GM45	0x71044
 
 
 /* Display B control */
-#define DSPBCNTR		0x71180
+#define _DSPBCNTR		0x71180
 #define   DISPPLANE_ALPHA_TRANS_ENABLE		(1<<15)
 #define   DISPPLANE_ALPHA_TRANS_DISABLE		0
 #define   DISPPLANE_SPRITE_ABOVE_DISPLAY	0
 #define   DISPPLANE_SPRITE_ABOVE_OVERLAY	(1)
-#define DSPBADDR		0x71184
-#define DSPBSTRIDE		0x71188
-#define DSPBPOS			0x7118C
-#define DSPBSIZE		0x71190
-#define DSPBSURF		0x7119C
-#define DSPBTILEOFF		0x711A4
+#define _DSPBADDR		0x71184
+#define _DSPBSTRIDE		0x71188
+#define _DSPBPOS			0x7118C
+#define _DSPBSIZE		0x71190
+#define _DSPBSURF		0x7119C
+#define _DSPBTILEOFF		0x711A4
 
 /* VBIOS regs */
 #define VGACNTRL		0x71400
@@ -2648,68 +2666,80 @@
 #define  FDI_PLL_FREQ_DISABLE_COUNT_LIMIT_MASK  0xff
 
 
-#define PIPEA_DATA_M1           0x60030
+#define _PIPEA_DATA_M1           0x60030
 #define  TU_SIZE(x)             (((x)-1) << 25) /* default size 64 */
 #define  TU_SIZE_MASK           0x7e000000
 #define  PIPE_DATA_M1_OFFSET    0
-#define PIPEA_DATA_N1           0x60034
+#define _PIPEA_DATA_N1           0x60034
 #define  PIPE_DATA_N1_OFFSET    0
 
-#define PIPEA_DATA_M2           0x60038
+#define _PIPEA_DATA_M2           0x60038
 #define  PIPE_DATA_M2_OFFSET    0
-#define PIPEA_DATA_N2           0x6003c
+#define _PIPEA_DATA_N2           0x6003c
 #define  PIPE_DATA_N2_OFFSET    0
 
-#define PIPEA_LINK_M1           0x60040
+#define _PIPEA_LINK_M1           0x60040
 #define  PIPE_LINK_M1_OFFSET    0
-#define PIPEA_LINK_N1           0x60044
+#define _PIPEA_LINK_N1           0x60044
 #define  PIPE_LINK_N1_OFFSET    0
 
-#define PIPEA_LINK_M2           0x60048
+#define _PIPEA_LINK_M2           0x60048
 #define  PIPE_LINK_M2_OFFSET    0
-#define PIPEA_LINK_N2           0x6004c
+#define _PIPEA_LINK_N2           0x6004c
 #define  PIPE_LINK_N2_OFFSET    0
 
 /* PIPEB timing regs are same start from 0x61000 */
 
-#define PIPEB_DATA_M1           0x61030
-#define PIPEB_DATA_N1           0x61034
+#define _PIPEB_DATA_M1           0x61030
+#define _PIPEB_DATA_N1           0x61034
 
-#define PIPEB_DATA_M2           0x61038
-#define PIPEB_DATA_N2           0x6103c
+#define _PIPEB_DATA_M2           0x61038
+#define _PIPEB_DATA_N2           0x6103c
 
-#define PIPEB_LINK_M1           0x61040
-#define PIPEB_LINK_N1           0x61044
+#define _PIPEB_LINK_M1           0x61040
+#define _PIPEB_LINK_N1           0x61044
 
-#define PIPEB_LINK_M2           0x61048
-#define PIPEB_LINK_N2           0x6104c
+#define _PIPEB_LINK_M2           0x61048
+#define _PIPEB_LINK_N2           0x6104c
 
-#define PIPE_DATA_M1(pipe) _PIPE(pipe, PIPEA_DATA_M1, PIPEB_DATA_M1)
-#define PIPE_DATA_N1(pipe) _PIPE(pipe, PIPEA_DATA_N1, PIPEB_DATA_N1)
-#define PIPE_DATA_M2(pipe) _PIPE(pipe, PIPEA_DATA_M2, PIPEB_DATA_M2)
-#define PIPE_DATA_N2(pipe) _PIPE(pipe, PIPEA_DATA_N2, PIPEB_DATA_N2)
-#define PIPE_LINK_M1(pipe) _PIPE(pipe, PIPEA_LINK_M1, PIPEB_LINK_M1)
-#define PIPE_LINK_N1(pipe) _PIPE(pipe, PIPEA_LINK_N1, PIPEB_LINK_N1)
-#define PIPE_LINK_M2(pipe) _PIPE(pipe, PIPEA_LINK_M2, PIPEB_LINK_M2)
-#define PIPE_LINK_N2(pipe) _PIPE(pipe, PIPEA_LINK_N2, PIPEB_LINK_N2)
+#define PIPE_DATA_M1(pipe) _PIPE(pipe, _PIPEA_DATA_M1, _PIPEB_DATA_M1)
+#define PIPE_DATA_N1(pipe) _PIPE(pipe, _PIPEA_DATA_N1, _PIPEB_DATA_N1)
+#define PIPE_DATA_M2(pipe) _PIPE(pipe, _PIPEA_DATA_M2, _PIPEB_DATA_M2)
+#define PIPE_DATA_N2(pipe) _PIPE(pipe, _PIPEA_DATA_N2, _PIPEB_DATA_N2)
+#define PIPE_LINK_M1(pipe) _PIPE(pipe, _PIPEA_LINK_M1, _PIPEB_LINK_M1)
+#define PIPE_LINK_N1(pipe) _PIPE(pipe, _PIPEA_LINK_N1, _PIPEB_LINK_N1)
+#define PIPE_LINK_M2(pipe) _PIPE(pipe, _PIPEA_LINK_M2, _PIPEB_LINK_M2)
+#define PIPE_LINK_N2(pipe) _PIPE(pipe, _PIPEA_LINK_N2, _PIPEB_LINK_N2)
 
 /* CPU panel fitter */
-#define PFA_CTL_1               0x68080
-#define PFB_CTL_1               0x68880
+/* IVB+ has 3 fitters, 0 is 7x5 capable, the other two only 3x3 */
+#define _PFA_CTL_1               0x68080
+#define _PFB_CTL_1               0x68880
 #define  PF_ENABLE              (1<<31)
 #define  PF_FILTER_MASK		(3<<23)
 #define  PF_FILTER_PROGRAMMED	(0<<23)
 #define  PF_FILTER_MED_3x3	(1<<23)
 #define  PF_FILTER_EDGE_ENHANCE	(2<<23)
 #define  PF_FILTER_EDGE_SOFTEN	(3<<23)
-#define PFA_WIN_SZ		0x68074
-#define PFB_WIN_SZ		0x68874
-#define PFA_WIN_POS		0x68070
-#define PFB_WIN_POS		0x68870
+#define _PFA_WIN_SZ		0x68074
+#define _PFB_WIN_SZ		0x68874
+#define _PFA_WIN_POS		0x68070
+#define _PFB_WIN_POS		0x68870
+#define _PFA_VSCALE		0x68084
+#define _PFB_VSCALE		0x68884
+#define _PFA_HSCALE		0x68090
+#define _PFB_HSCALE		0x68890
+
+#define PF_CTL(pipe)		_PIPE(pipe, _PFA_CTL_1, _PFB_CTL_1)
+#define PF_WIN_SZ(pipe)		_PIPE(pipe, _PFA_WIN_SZ, _PFB_WIN_SZ)
+#define PF_WIN_POS(pipe)	_PIPE(pipe, _PFA_WIN_POS, _PFB_WIN_POS)
+#define PF_VSCALE(pipe)		_PIPE(pipe, _PFA_VSCALE, _PFB_VSCALE)
+#define PF_HSCALE(pipe)		_PIPE(pipe, _PFA_HSCALE, _PFB_HSCALE)
 
 /* legacy palette */
-#define LGC_PALETTE_A           0x4a000
-#define LGC_PALETTE_B           0x4a800
+#define _LGC_PALETTE_A           0x4a000
+#define _LGC_PALETTE_B           0x4a800
+#define LGC_PALETTE(pipe) _PIPE(pipe, _LGC_PALETTE_A, _LGC_PALETTE_B)
 
 /* interrupts */
 #define DE_MASTER_IRQ_CONTROL   (1 << 31)
@@ -2875,17 +2905,17 @@
 #define PCH_GMBUS4		0xc5110
 #define PCH_GMBUS5		0xc5120
 
-#define PCH_DPLL_A              0xc6014
-#define PCH_DPLL_B              0xc6018
-#define PCH_DPLL(pipe) _PIPE(pipe, PCH_DPLL_A, PCH_DPLL_B)
+#define _PCH_DPLL_A              0xc6014
+#define _PCH_DPLL_B              0xc6018
+#define PCH_DPLL(pipe) _PIPE(pipe, _PCH_DPLL_A, _PCH_DPLL_B)
 
-#define PCH_FPA0                0xc6040
+#define _PCH_FPA0                0xc6040
 #define  FP_CB_TUNE		(0x3<<22)
-#define PCH_FPA1                0xc6044
-#define PCH_FPB0                0xc6048
-#define PCH_FPB1                0xc604c
-#define PCH_FP0(pipe) _PIPE(pipe, PCH_FPA0, PCH_FPB0)
-#define PCH_FP1(pipe) _PIPE(pipe, PCH_FPA1, PCH_FPB1)
+#define _PCH_FPA1                0xc6044
+#define _PCH_FPB0                0xc6048
+#define _PCH_FPB1                0xc604c
+#define PCH_FP0(pipe) _PIPE(pipe, _PCH_FPA0, _PCH_FPB0)
+#define PCH_FP1(pipe) _PIPE(pipe, _PCH_FPA1, _PCH_FPB1)
 
 #define PCH_DPLL_TEST           0xc606c
 
@@ -2904,6 +2934,7 @@
 #define  DREF_NONSPREAD_SOURCE_MASK		(3<<9)
 #define  DREF_SUPERSPREAD_SOURCE_DISABLE        (0<<7)
 #define  DREF_SUPERSPREAD_SOURCE_ENABLE         (2<<7)
+#define  DREF_SUPERSPREAD_SOURCE_MASK		(3<<7)
 #define  DREF_SSC4_DOWNSPREAD                   (0<<6)
 #define  DREF_SSC4_CENTERSPREAD                 (1<<6)
 #define  DREF_SSC1_DISABLE                      (0<<1)
@@ -2936,60 +2967,69 @@
 
 /* transcoder */
 
-#define TRANS_HTOTAL_A          0xe0000
+#define _TRANS_HTOTAL_A          0xe0000
 #define  TRANS_HTOTAL_SHIFT     16
 #define  TRANS_HACTIVE_SHIFT    0
-#define TRANS_HBLANK_A          0xe0004
+#define _TRANS_HBLANK_A          0xe0004
 #define  TRANS_HBLANK_END_SHIFT 16
 #define  TRANS_HBLANK_START_SHIFT 0
-#define TRANS_HSYNC_A           0xe0008
+#define _TRANS_HSYNC_A           0xe0008
 #define  TRANS_HSYNC_END_SHIFT  16
 #define  TRANS_HSYNC_START_SHIFT 0
-#define TRANS_VTOTAL_A          0xe000c
+#define _TRANS_VTOTAL_A          0xe000c
 #define  TRANS_VTOTAL_SHIFT     16
 #define  TRANS_VACTIVE_SHIFT    0
-#define TRANS_VBLANK_A          0xe0010
+#define _TRANS_VBLANK_A          0xe0010
 #define  TRANS_VBLANK_END_SHIFT 16
 #define  TRANS_VBLANK_START_SHIFT 0
-#define TRANS_VSYNC_A           0xe0014
+#define _TRANS_VSYNC_A           0xe0014
 #define  TRANS_VSYNC_END_SHIFT  16
 #define  TRANS_VSYNC_START_SHIFT 0
 
-#define TRANSA_DATA_M1          0xe0030
-#define TRANSA_DATA_N1          0xe0034
-#define TRANSA_DATA_M2          0xe0038
-#define TRANSA_DATA_N2          0xe003c
-#define TRANSA_DP_LINK_M1       0xe0040
-#define TRANSA_DP_LINK_N1       0xe0044
-#define TRANSA_DP_LINK_M2       0xe0048
-#define TRANSA_DP_LINK_N2       0xe004c
+#define _TRANSA_DATA_M1          0xe0030
+#define _TRANSA_DATA_N1          0xe0034
+#define _TRANSA_DATA_M2          0xe0038
+#define _TRANSA_DATA_N2          0xe003c
+#define _TRANSA_DP_LINK_M1       0xe0040
+#define _TRANSA_DP_LINK_N1       0xe0044
+#define _TRANSA_DP_LINK_M2       0xe0048
+#define _TRANSA_DP_LINK_N2       0xe004c
 
-#define TRANS_HTOTAL_B          0xe1000
-#define TRANS_HBLANK_B          0xe1004
-#define TRANS_HSYNC_B           0xe1008
-#define TRANS_VTOTAL_B          0xe100c
-#define TRANS_VBLANK_B          0xe1010
-#define TRANS_VSYNC_B           0xe1014
+#define _TRANS_HTOTAL_B          0xe1000
+#define _TRANS_HBLANK_B          0xe1004
+#define _TRANS_HSYNC_B           0xe1008
+#define _TRANS_VTOTAL_B          0xe100c
+#define _TRANS_VBLANK_B          0xe1010
+#define _TRANS_VSYNC_B           0xe1014
 
-#define TRANS_HTOTAL(pipe) _PIPE(pipe, TRANS_HTOTAL_A, TRANS_HTOTAL_B)
-#define TRANS_HBLANK(pipe) _PIPE(pipe, TRANS_HBLANK_A, TRANS_HBLANK_B)
-#define TRANS_HSYNC(pipe) _PIPE(pipe, TRANS_HSYNC_A, TRANS_HSYNC_B)
-#define TRANS_VTOTAL(pipe) _PIPE(pipe, TRANS_VTOTAL_A, TRANS_VTOTAL_B)
-#define TRANS_VBLANK(pipe) _PIPE(pipe, TRANS_VBLANK_A, TRANS_VBLANK_B)
-#define TRANS_VSYNC(pipe) _PIPE(pipe, TRANS_VSYNC_A, TRANS_VSYNC_B)
+#define TRANS_HTOTAL(pipe) _PIPE(pipe, _TRANS_HTOTAL_A, _TRANS_HTOTAL_B)
+#define TRANS_HBLANK(pipe) _PIPE(pipe, _TRANS_HBLANK_A, _TRANS_HBLANK_B)
+#define TRANS_HSYNC(pipe) _PIPE(pipe, _TRANS_HSYNC_A, _TRANS_HSYNC_B)
+#define TRANS_VTOTAL(pipe) _PIPE(pipe, _TRANS_VTOTAL_A, _TRANS_VTOTAL_B)
+#define TRANS_VBLANK(pipe) _PIPE(pipe, _TRANS_VBLANK_A, _TRANS_VBLANK_B)
+#define TRANS_VSYNC(pipe) _PIPE(pipe, _TRANS_VSYNC_A, _TRANS_VSYNC_B)
 
-#define TRANSB_DATA_M1          0xe1030
-#define TRANSB_DATA_N1          0xe1034
-#define TRANSB_DATA_M2          0xe1038
-#define TRANSB_DATA_N2          0xe103c
-#define TRANSB_DP_LINK_M1       0xe1040
-#define TRANSB_DP_LINK_N1       0xe1044
-#define TRANSB_DP_LINK_M2       0xe1048
-#define TRANSB_DP_LINK_N2       0xe104c
+#define _TRANSB_DATA_M1          0xe1030
+#define _TRANSB_DATA_N1          0xe1034
+#define _TRANSB_DATA_M2          0xe1038
+#define _TRANSB_DATA_N2          0xe103c
+#define _TRANSB_DP_LINK_M1       0xe1040
+#define _TRANSB_DP_LINK_N1       0xe1044
+#define _TRANSB_DP_LINK_M2       0xe1048
+#define _TRANSB_DP_LINK_N2       0xe104c
 
-#define TRANSACONF              0xf0008
-#define TRANSBCONF              0xf1008
-#define TRANSCONF(plane) _PIPE(plane, TRANSACONF, TRANSBCONF)
+#define TRANSDATA_M1(pipe) _PIPE(pipe, _TRANSA_DATA_M1, _TRANSB_DATA_M1)
+#define TRANSDATA_N1(pipe) _PIPE(pipe, _TRANSA_DATA_N1, _TRANSB_DATA_N1)
+#define TRANSDATA_M2(pipe) _PIPE(pipe, _TRANSA_DATA_M2, _TRANSB_DATA_M2)
+#define TRANSDATA_N2(pipe) _PIPE(pipe, _TRANSA_DATA_N2, _TRANSB_DATA_N2)
+#define TRANSDPLINK_M1(pipe) _PIPE(pipe, _TRANSA_DP_LINK_M1, _TRANSB_DP_LINK_M1)
+#define TRANSDPLINK_N1(pipe) _PIPE(pipe, _TRANSA_DP_LINK_N1, _TRANSB_DP_LINK_N1)
+#define TRANSDPLINK_M2(pipe) _PIPE(pipe, _TRANSA_DP_LINK_M2, _TRANSB_DP_LINK_M2)
+#define TRANSDPLINK_N2(pipe) _PIPE(pipe, _TRANSA_DP_LINK_N2, _TRANSB_DP_LINK_N2)
+
+#define _TRANSACONF              0xf0008
+#define _TRANSBCONF              0xf1008
+#define TRANSCONF(plane) _PIPE(plane, _TRANSACONF, _TRANSBCONF)
 #define  TRANS_DISABLE          (0<<31)
 #define  TRANS_ENABLE           (1<<31)
 #define  TRANS_STATE_MASK       (1<<30)
@@ -3007,18 +3047,19 @@
 #define  TRANS_6BPC             (2<<5)
 #define  TRANS_12BPC            (3<<5)
 
-#define FDI_RXA_CHICKEN         0xc200c
-#define FDI_RXB_CHICKEN         0xc2010
-#define  FDI_RX_PHASE_SYNC_POINTER_ENABLE       (1)
-#define FDI_RX_CHICKEN(pipe) _PIPE(pipe, FDI_RXA_CHICKEN, FDI_RXB_CHICKEN)
+#define _FDI_RXA_CHICKEN         0xc200c
+#define _FDI_RXB_CHICKEN         0xc2010
+#define  FDI_RX_PHASE_SYNC_POINTER_OVR	(1<<1)
+#define  FDI_RX_PHASE_SYNC_POINTER_EN	(1<<0)
+#define FDI_RX_CHICKEN(pipe) _PIPE(pipe, _FDI_RXA_CHICKEN, _FDI_RXB_CHICKEN)
 
 #define SOUTH_DSPCLK_GATE_D	0xc2020
 #define  PCH_DPLSUNIT_CLOCK_GATE_DISABLE (1<<29)
 
 /* CPU: FDI_TX */
-#define FDI_TXA_CTL             0x60100
-#define FDI_TXB_CTL             0x61100
-#define FDI_TX_CTL(pipe) _PIPE(pipe, FDI_TXA_CTL, FDI_TXB_CTL)
+#define _FDI_TXA_CTL             0x60100
+#define _FDI_TXB_CTL             0x61100
+#define FDI_TX_CTL(pipe) _PIPE(pipe, _FDI_TXA_CTL, _FDI_TXB_CTL)
 #define  FDI_TX_DISABLE         (0<<31)
 #define  FDI_TX_ENABLE          (1<<31)
 #define  FDI_LINK_TRAIN_PATTERN_1       (0<<28)
@@ -3058,9 +3099,9 @@
 #define  FDI_SCRAMBLING_DISABLE         (1<<7)
 
 /* FDI_RX, FDI_X is hard-wired to Transcoder_X */
-#define FDI_RXA_CTL             0xf000c
-#define FDI_RXB_CTL             0xf100c
-#define FDI_RX_CTL(pipe) _PIPE(pipe, FDI_RXA_CTL, FDI_RXB_CTL)
+#define _FDI_RXA_CTL             0xf000c
+#define _FDI_RXB_CTL             0xf100c
+#define FDI_RX_CTL(pipe) _PIPE(pipe, _FDI_RXA_CTL, _FDI_RXB_CTL)
 #define  FDI_RX_ENABLE          (1<<31)
 /* train, dp width same as FDI_TX */
 #define  FDI_DP_PORT_WIDTH_X8           (7<<19)
@@ -3085,15 +3126,15 @@
 #define  FDI_LINK_TRAIN_NORMAL_CPT		(3<<8)
 #define  FDI_LINK_TRAIN_PATTERN_MASK_CPT	(3<<8)
 
-#define FDI_RXA_MISC            0xf0010
-#define FDI_RXB_MISC            0xf1010
-#define FDI_RXA_TUSIZE1         0xf0030
-#define FDI_RXA_TUSIZE2         0xf0038
-#define FDI_RXB_TUSIZE1         0xf1030
-#define FDI_RXB_TUSIZE2         0xf1038
-#define FDI_RX_MISC(pipe) _PIPE(pipe, FDI_RXA_MISC, FDI_RXB_MISC)
-#define FDI_RX_TUSIZE1(pipe) _PIPE(pipe, FDI_RXA_TUSIZE1, FDI_RXB_TUSIZE1)
-#define FDI_RX_TUSIZE2(pipe) _PIPE(pipe, FDI_RXA_TUSIZE2, FDI_RXB_TUSIZE2)
+#define _FDI_RXA_MISC            0xf0010
+#define _FDI_RXB_MISC            0xf1010
+#define _FDI_RXA_TUSIZE1         0xf0030
+#define _FDI_RXA_TUSIZE2         0xf0038
+#define _FDI_RXB_TUSIZE1         0xf1030
+#define _FDI_RXB_TUSIZE2         0xf1038
+#define FDI_RX_MISC(pipe) _PIPE(pipe, _FDI_RXA_MISC, _FDI_RXB_MISC)
+#define FDI_RX_TUSIZE1(pipe) _PIPE(pipe, _FDI_RXA_TUSIZE1, _FDI_RXB_TUSIZE1)
+#define FDI_RX_TUSIZE2(pipe) _PIPE(pipe, _FDI_RXA_TUSIZE2, _FDI_RXB_TUSIZE2)
 
 /* FDI_RX interrupt register format */
 #define FDI_RX_INTER_LANE_ALIGN         (1<<10)
@@ -3108,12 +3149,12 @@
 #define FDI_RX_CROSS_CLOCK_OVERFLOW     (1<<1)
 #define FDI_RX_SYMBOL_QUEUE_OVERFLOW    (1<<0)
 
-#define FDI_RXA_IIR             0xf0014
-#define FDI_RXA_IMR             0xf0018
-#define FDI_RXB_IIR             0xf1014
-#define FDI_RXB_IMR             0xf1018
-#define FDI_RX_IIR(pipe) _PIPE(pipe, FDI_RXA_IIR, FDI_RXB_IIR)
-#define FDI_RX_IMR(pipe) _PIPE(pipe, FDI_RXA_IMR, FDI_RXB_IMR)
+#define _FDI_RXA_IIR             0xf0014
+#define _FDI_RXA_IMR             0xf0018
+#define _FDI_RXB_IIR             0xf1014
+#define _FDI_RXB_IMR             0xf1018
+#define FDI_RX_IIR(pipe) _PIPE(pipe, _FDI_RXA_IIR, _FDI_RXB_IIR)
+#define FDI_RX_IMR(pipe) _PIPE(pipe, _FDI_RXA_IMR, _FDI_RXB_IMR)
 
 #define FDI_PLL_CTL_1           0xfe000
 #define FDI_PLL_CTL_2           0xfe004
@@ -3143,11 +3184,15 @@
 #define  ADPA_CRT_HOTPLUG_VOLREF_475MV  (1<<17)
 #define  ADPA_CRT_HOTPLUG_FORCE_TRIGGER (1<<16)
 
+#define ADPA_PIPE_ENABLED(V, P) \
+	(((V) & (ADPA_TRANS_SELECT_MASK | ADPA_DAC_ENABLE)) == ((P) << 30 | ADPA_DAC_ENABLE))
+
 /* or SDVOB */
 #define HDMIB   0xe1140
 #define  PORT_ENABLE    (1 << 31)
 #define  TRANSCODER_A   (0)
 #define  TRANSCODER_B   (1 << 30)
+#define  TRANSCODER_MASK   (1 << 30)
 #define  COLOR_FORMAT_8bpc      (0)
 #define  COLOR_FORMAT_12bpc     (3 << 26)
 #define  SDVOB_HOTPLUG_ENABLE   (1 << 23)
@@ -3163,6 +3208,9 @@
 #define  HSYNC_ACTIVE_HIGH      (1 << 3)
 #define  PORT_DETECTED          (1 << 2)
 
+#define HDMI_PIPE_ENABLED(V, P) \
+	(((V) & (TRANSCODER_MASK | PORT_ENABLE)) == ((P) << 30 | PORT_ENABLE))
+
 /* PCH SDVOB multiplex with HDMIB */
 #define PCH_SDVOB	HDMIB
 
@@ -3238,6 +3286,7 @@
 #define  TRANS_DP_PORT_SEL_B	(0<<29)
 #define  TRANS_DP_PORT_SEL_C	(1<<29)
 #define  TRANS_DP_PORT_SEL_D	(2<<29)
+#define  TRANS_DP_PORT_SEL_NONE	(3<<29)
 #define  TRANS_DP_PORT_SEL_MASK	(3<<29)
 #define  TRANS_DP_AUDIO_ONLY	(1<<26)
 #define  TRANS_DP_ENH_FRAMING	(1<<18)
@@ -3269,6 +3318,8 @@
 #define  FORCEWAKE				0xA18C
 #define  FORCEWAKE_ACK				0x130090
 
+#define  GT_FIFO_FREE_ENTRIES			0x120008
+
 #define GEN6_RPNSWREQ				0xA008
 #define   GEN6_TURBO_DISABLE			(1<<31)
 #define   GEN6_FREQUENCY(x)			((x)<<25)
@@ -3286,15 +3337,28 @@
 #define GEN6_RP_DOWN_TIMEOUT			0xA010
 #define GEN6_RP_INTERRUPT_LIMITS		0xA014
 #define GEN6_RPSTAT1				0xA01C
+#define   GEN6_CAGF_SHIFT			8
+#define   GEN6_CAGF_MASK			(0x7f << GEN6_CAGF_SHIFT)
 #define GEN6_RP_CONTROL				0xA024
 #define   GEN6_RP_MEDIA_TURBO			(1<<11)
 #define   GEN6_RP_USE_NORMAL_FREQ		(1<<9)
 #define   GEN6_RP_MEDIA_IS_GFX			(1<<8)
 #define   GEN6_RP_ENABLE			(1<<7)
-#define   GEN6_RP_UP_BUSY_MAX			(0x2<<3)
-#define   GEN6_RP_DOWN_BUSY_MIN			(0x2<<0)
+#define   GEN6_RP_UP_IDLE_MIN			(0x1<<3)
+#define   GEN6_RP_UP_BUSY_AVG			(0x2<<3)
+#define   GEN6_RP_UP_BUSY_CONT			(0x4<<3)
+#define   GEN6_RP_DOWN_IDLE_CONT		(0x1<<0)
 #define GEN6_RP_UP_THRESHOLD			0xA02C
 #define GEN6_RP_DOWN_THRESHOLD			0xA030
+#define GEN6_RP_CUR_UP_EI			0xA050
+#define   GEN6_CURICONT_MASK			0xffffff
+#define GEN6_RP_CUR_UP				0xA054
+#define   GEN6_CURBSYTAVG_MASK			0xffffff
+#define GEN6_RP_PREV_UP				0xA058
+#define GEN6_RP_CUR_DOWN_EI			0xA05C
+#define   GEN6_CURIAVG_MASK			0xffffff
+#define GEN6_RP_CUR_DOWN			0xA060
+#define GEN6_RP_PREV_DOWN			0xA064
 #define GEN6_RP_UP_EI				0xA068
 #define GEN6_RP_DOWN_EI				0xA06C
 #define GEN6_RP_IDLE_HYSTERSIS			0xA070
diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c
index 0521ecf2..7e992a8 100644
--- a/drivers/gpu/drm/i915/i915_suspend.c
+++ b/drivers/gpu/drm/i915/i915_suspend.c
@@ -34,11 +34,10 @@
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	u32	dpll_reg;
 
-	if (HAS_PCH_SPLIT(dev)) {
-		dpll_reg = (pipe == PIPE_A) ? PCH_DPLL_A: PCH_DPLL_B;
-	} else {
-		dpll_reg = (pipe == PIPE_A) ? DPLL_A: DPLL_B;
-	}
+	if (HAS_PCH_SPLIT(dev))
+		dpll_reg = (pipe == PIPE_A) ? _PCH_DPLL_A : _PCH_DPLL_B;
+	else
+		dpll_reg = (pipe == PIPE_A) ? _DPLL_A : _DPLL_B;
 
 	return (I915_READ(dpll_reg) & DPLL_VCO_ENABLE);
 }
@@ -46,7 +45,7 @@
 static void i915_save_palette(struct drm_device *dev, enum pipe pipe)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	unsigned long reg = (pipe == PIPE_A ? PALETTE_A : PALETTE_B);
+	unsigned long reg = (pipe == PIPE_A ? _PALETTE_A : _PALETTE_B);
 	u32 *array;
 	int i;
 
@@ -54,7 +53,7 @@
 		return;
 
 	if (HAS_PCH_SPLIT(dev))
-		reg = (pipe == PIPE_A) ? LGC_PALETTE_A : LGC_PALETTE_B;
+		reg = (pipe == PIPE_A) ? _LGC_PALETTE_A : _LGC_PALETTE_B;
 
 	if (pipe == PIPE_A)
 		array = dev_priv->save_palette_a;
@@ -68,7 +67,7 @@
 static void i915_restore_palette(struct drm_device *dev, enum pipe pipe)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	unsigned long reg = (pipe == PIPE_A ? PALETTE_A : PALETTE_B);
+	unsigned long reg = (pipe == PIPE_A ? _PALETTE_A : _PALETTE_B);
 	u32 *array;
 	int i;
 
@@ -76,7 +75,7 @@
 		return;
 
 	if (HAS_PCH_SPLIT(dev))
-		reg = (pipe == PIPE_A) ? LGC_PALETTE_A : LGC_PALETTE_B;
+		reg = (pipe == PIPE_A) ? _LGC_PALETTE_A : _LGC_PALETTE_B;
 
 	if (pipe == PIPE_A)
 		array = dev_priv->save_palette_a;
@@ -241,12 +240,12 @@
 		return;
 
 	/* Cursor state */
-	dev_priv->saveCURACNTR = I915_READ(CURACNTR);
-	dev_priv->saveCURAPOS = I915_READ(CURAPOS);
-	dev_priv->saveCURABASE = I915_READ(CURABASE);
-	dev_priv->saveCURBCNTR = I915_READ(CURBCNTR);
-	dev_priv->saveCURBPOS = I915_READ(CURBPOS);
-	dev_priv->saveCURBBASE = I915_READ(CURBBASE);
+	dev_priv->saveCURACNTR = I915_READ(_CURACNTR);
+	dev_priv->saveCURAPOS = I915_READ(_CURAPOS);
+	dev_priv->saveCURABASE = I915_READ(_CURABASE);
+	dev_priv->saveCURBCNTR = I915_READ(_CURBCNTR);
+	dev_priv->saveCURBPOS = I915_READ(_CURBPOS);
+	dev_priv->saveCURBBASE = I915_READ(_CURBBASE);
 	if (IS_GEN2(dev))
 		dev_priv->saveCURSIZE = I915_READ(CURSIZE);
 
@@ -256,118 +255,118 @@
 	}
 
 	/* Pipe & plane A info */
-	dev_priv->savePIPEACONF = I915_READ(PIPEACONF);
-	dev_priv->savePIPEASRC = I915_READ(PIPEASRC);
+	dev_priv->savePIPEACONF = I915_READ(_PIPEACONF);
+	dev_priv->savePIPEASRC = I915_READ(_PIPEASRC);
 	if (HAS_PCH_SPLIT(dev)) {
-		dev_priv->saveFPA0 = I915_READ(PCH_FPA0);
-		dev_priv->saveFPA1 = I915_READ(PCH_FPA1);
-		dev_priv->saveDPLL_A = I915_READ(PCH_DPLL_A);
+		dev_priv->saveFPA0 = I915_READ(_PCH_FPA0);
+		dev_priv->saveFPA1 = I915_READ(_PCH_FPA1);
+		dev_priv->saveDPLL_A = I915_READ(_PCH_DPLL_A);
 	} else {
-		dev_priv->saveFPA0 = I915_READ(FPA0);
-		dev_priv->saveFPA1 = I915_READ(FPA1);
-		dev_priv->saveDPLL_A = I915_READ(DPLL_A);
+		dev_priv->saveFPA0 = I915_READ(_FPA0);
+		dev_priv->saveFPA1 = I915_READ(_FPA1);
+		dev_priv->saveDPLL_A = I915_READ(_DPLL_A);
 	}
 	if (INTEL_INFO(dev)->gen >= 4 && !HAS_PCH_SPLIT(dev))
-		dev_priv->saveDPLL_A_MD = I915_READ(DPLL_A_MD);
-	dev_priv->saveHTOTAL_A = I915_READ(HTOTAL_A);
-	dev_priv->saveHBLANK_A = I915_READ(HBLANK_A);
-	dev_priv->saveHSYNC_A = I915_READ(HSYNC_A);
-	dev_priv->saveVTOTAL_A = I915_READ(VTOTAL_A);
-	dev_priv->saveVBLANK_A = I915_READ(VBLANK_A);
-	dev_priv->saveVSYNC_A = I915_READ(VSYNC_A);
+		dev_priv->saveDPLL_A_MD = I915_READ(_DPLL_A_MD);
+	dev_priv->saveHTOTAL_A = I915_READ(_HTOTAL_A);
+	dev_priv->saveHBLANK_A = I915_READ(_HBLANK_A);
+	dev_priv->saveHSYNC_A = I915_READ(_HSYNC_A);
+	dev_priv->saveVTOTAL_A = I915_READ(_VTOTAL_A);
+	dev_priv->saveVBLANK_A = I915_READ(_VBLANK_A);
+	dev_priv->saveVSYNC_A = I915_READ(_VSYNC_A);
 	if (!HAS_PCH_SPLIT(dev))
-		dev_priv->saveBCLRPAT_A = I915_READ(BCLRPAT_A);
+		dev_priv->saveBCLRPAT_A = I915_READ(_BCLRPAT_A);
 
 	if (HAS_PCH_SPLIT(dev)) {
-		dev_priv->savePIPEA_DATA_M1 = I915_READ(PIPEA_DATA_M1);
-		dev_priv->savePIPEA_DATA_N1 = I915_READ(PIPEA_DATA_N1);
-		dev_priv->savePIPEA_LINK_M1 = I915_READ(PIPEA_LINK_M1);
-		dev_priv->savePIPEA_LINK_N1 = I915_READ(PIPEA_LINK_N1);
+		dev_priv->savePIPEA_DATA_M1 = I915_READ(_PIPEA_DATA_M1);
+		dev_priv->savePIPEA_DATA_N1 = I915_READ(_PIPEA_DATA_N1);
+		dev_priv->savePIPEA_LINK_M1 = I915_READ(_PIPEA_LINK_M1);
+		dev_priv->savePIPEA_LINK_N1 = I915_READ(_PIPEA_LINK_N1);
 
-		dev_priv->saveFDI_TXA_CTL = I915_READ(FDI_TXA_CTL);
-		dev_priv->saveFDI_RXA_CTL = I915_READ(FDI_RXA_CTL);
+		dev_priv->saveFDI_TXA_CTL = I915_READ(_FDI_TXA_CTL);
+		dev_priv->saveFDI_RXA_CTL = I915_READ(_FDI_RXA_CTL);
 
-		dev_priv->savePFA_CTL_1 = I915_READ(PFA_CTL_1);
-		dev_priv->savePFA_WIN_SZ = I915_READ(PFA_WIN_SZ);
-		dev_priv->savePFA_WIN_POS = I915_READ(PFA_WIN_POS);
+		dev_priv->savePFA_CTL_1 = I915_READ(_PFA_CTL_1);
+		dev_priv->savePFA_WIN_SZ = I915_READ(_PFA_WIN_SZ);
+		dev_priv->savePFA_WIN_POS = I915_READ(_PFA_WIN_POS);
 
-		dev_priv->saveTRANSACONF = I915_READ(TRANSACONF);
-		dev_priv->saveTRANS_HTOTAL_A = I915_READ(TRANS_HTOTAL_A);
-		dev_priv->saveTRANS_HBLANK_A = I915_READ(TRANS_HBLANK_A);
-		dev_priv->saveTRANS_HSYNC_A = I915_READ(TRANS_HSYNC_A);
-		dev_priv->saveTRANS_VTOTAL_A = I915_READ(TRANS_VTOTAL_A);
-		dev_priv->saveTRANS_VBLANK_A = I915_READ(TRANS_VBLANK_A);
-		dev_priv->saveTRANS_VSYNC_A = I915_READ(TRANS_VSYNC_A);
+		dev_priv->saveTRANSACONF = I915_READ(_TRANSACONF);
+		dev_priv->saveTRANS_HTOTAL_A = I915_READ(_TRANS_HTOTAL_A);
+		dev_priv->saveTRANS_HBLANK_A = I915_READ(_TRANS_HBLANK_A);
+		dev_priv->saveTRANS_HSYNC_A = I915_READ(_TRANS_HSYNC_A);
+		dev_priv->saveTRANS_VTOTAL_A = I915_READ(_TRANS_VTOTAL_A);
+		dev_priv->saveTRANS_VBLANK_A = I915_READ(_TRANS_VBLANK_A);
+		dev_priv->saveTRANS_VSYNC_A = I915_READ(_TRANS_VSYNC_A);
 	}
 
-	dev_priv->saveDSPACNTR = I915_READ(DSPACNTR);
-	dev_priv->saveDSPASTRIDE = I915_READ(DSPASTRIDE);
-	dev_priv->saveDSPASIZE = I915_READ(DSPASIZE);
-	dev_priv->saveDSPAPOS = I915_READ(DSPAPOS);
-	dev_priv->saveDSPAADDR = I915_READ(DSPAADDR);
+	dev_priv->saveDSPACNTR = I915_READ(_DSPACNTR);
+	dev_priv->saveDSPASTRIDE = I915_READ(_DSPASTRIDE);
+	dev_priv->saveDSPASIZE = I915_READ(_DSPASIZE);
+	dev_priv->saveDSPAPOS = I915_READ(_DSPAPOS);
+	dev_priv->saveDSPAADDR = I915_READ(_DSPAADDR);
 	if (INTEL_INFO(dev)->gen >= 4) {
-		dev_priv->saveDSPASURF = I915_READ(DSPASURF);
-		dev_priv->saveDSPATILEOFF = I915_READ(DSPATILEOFF);
+		dev_priv->saveDSPASURF = I915_READ(_DSPASURF);
+		dev_priv->saveDSPATILEOFF = I915_READ(_DSPATILEOFF);
 	}
 	i915_save_palette(dev, PIPE_A);
-	dev_priv->savePIPEASTAT = I915_READ(PIPEASTAT);
+	dev_priv->savePIPEASTAT = I915_READ(_PIPEASTAT);
 
 	/* Pipe & plane B info */
-	dev_priv->savePIPEBCONF = I915_READ(PIPEBCONF);
-	dev_priv->savePIPEBSRC = I915_READ(PIPEBSRC);
+	dev_priv->savePIPEBCONF = I915_READ(_PIPEBCONF);
+	dev_priv->savePIPEBSRC = I915_READ(_PIPEBSRC);
 	if (HAS_PCH_SPLIT(dev)) {
-		dev_priv->saveFPB0 = I915_READ(PCH_FPB0);
-		dev_priv->saveFPB1 = I915_READ(PCH_FPB1);
-		dev_priv->saveDPLL_B = I915_READ(PCH_DPLL_B);
+		dev_priv->saveFPB0 = I915_READ(_PCH_FPB0);
+		dev_priv->saveFPB1 = I915_READ(_PCH_FPB1);
+		dev_priv->saveDPLL_B = I915_READ(_PCH_DPLL_B);
 	} else {
-		dev_priv->saveFPB0 = I915_READ(FPB0);
-		dev_priv->saveFPB1 = I915_READ(FPB1);
-		dev_priv->saveDPLL_B = I915_READ(DPLL_B);
+		dev_priv->saveFPB0 = I915_READ(_FPB0);
+		dev_priv->saveFPB1 = I915_READ(_FPB1);
+		dev_priv->saveDPLL_B = I915_READ(_DPLL_B);
 	}
 	if (INTEL_INFO(dev)->gen >= 4 && !HAS_PCH_SPLIT(dev))
-		dev_priv->saveDPLL_B_MD = I915_READ(DPLL_B_MD);
-	dev_priv->saveHTOTAL_B = I915_READ(HTOTAL_B);
-	dev_priv->saveHBLANK_B = I915_READ(HBLANK_B);
-	dev_priv->saveHSYNC_B = I915_READ(HSYNC_B);
-	dev_priv->saveVTOTAL_B = I915_READ(VTOTAL_B);
-	dev_priv->saveVBLANK_B = I915_READ(VBLANK_B);
-	dev_priv->saveVSYNC_B = I915_READ(VSYNC_B);
+		dev_priv->saveDPLL_B_MD = I915_READ(_DPLL_B_MD);
+	dev_priv->saveHTOTAL_B = I915_READ(_HTOTAL_B);
+	dev_priv->saveHBLANK_B = I915_READ(_HBLANK_B);
+	dev_priv->saveHSYNC_B = I915_READ(_HSYNC_B);
+	dev_priv->saveVTOTAL_B = I915_READ(_VTOTAL_B);
+	dev_priv->saveVBLANK_B = I915_READ(_VBLANK_B);
+	dev_priv->saveVSYNC_B = I915_READ(_VSYNC_B);
 	if (!HAS_PCH_SPLIT(dev))
-		dev_priv->saveBCLRPAT_B = I915_READ(BCLRPAT_B);
+		dev_priv->saveBCLRPAT_B = I915_READ(_BCLRPAT_B);
 
 	if (HAS_PCH_SPLIT(dev)) {
-		dev_priv->savePIPEB_DATA_M1 = I915_READ(PIPEB_DATA_M1);
-		dev_priv->savePIPEB_DATA_N1 = I915_READ(PIPEB_DATA_N1);
-		dev_priv->savePIPEB_LINK_M1 = I915_READ(PIPEB_LINK_M1);
-		dev_priv->savePIPEB_LINK_N1 = I915_READ(PIPEB_LINK_N1);
+		dev_priv->savePIPEB_DATA_M1 = I915_READ(_PIPEB_DATA_M1);
+		dev_priv->savePIPEB_DATA_N1 = I915_READ(_PIPEB_DATA_N1);
+		dev_priv->savePIPEB_LINK_M1 = I915_READ(_PIPEB_LINK_M1);
+		dev_priv->savePIPEB_LINK_N1 = I915_READ(_PIPEB_LINK_N1);
 
-		dev_priv->saveFDI_TXB_CTL = I915_READ(FDI_TXB_CTL);
-		dev_priv->saveFDI_RXB_CTL = I915_READ(FDI_RXB_CTL);
+		dev_priv->saveFDI_TXB_CTL = I915_READ(_FDI_TXB_CTL);
+		dev_priv->saveFDI_RXB_CTL = I915_READ(_FDI_RXB_CTL);
 
-		dev_priv->savePFB_CTL_1 = I915_READ(PFB_CTL_1);
-		dev_priv->savePFB_WIN_SZ = I915_READ(PFB_WIN_SZ);
-		dev_priv->savePFB_WIN_POS = I915_READ(PFB_WIN_POS);
+		dev_priv->savePFB_CTL_1 = I915_READ(_PFB_CTL_1);
+		dev_priv->savePFB_WIN_SZ = I915_READ(_PFB_WIN_SZ);
+		dev_priv->savePFB_WIN_POS = I915_READ(_PFB_WIN_POS);
 
-		dev_priv->saveTRANSBCONF = I915_READ(TRANSBCONF);
-		dev_priv->saveTRANS_HTOTAL_B = I915_READ(TRANS_HTOTAL_B);
-		dev_priv->saveTRANS_HBLANK_B = I915_READ(TRANS_HBLANK_B);
-		dev_priv->saveTRANS_HSYNC_B = I915_READ(TRANS_HSYNC_B);
-		dev_priv->saveTRANS_VTOTAL_B = I915_READ(TRANS_VTOTAL_B);
-		dev_priv->saveTRANS_VBLANK_B = I915_READ(TRANS_VBLANK_B);
-		dev_priv->saveTRANS_VSYNC_B = I915_READ(TRANS_VSYNC_B);
+		dev_priv->saveTRANSBCONF = I915_READ(_TRANSBCONF);
+		dev_priv->saveTRANS_HTOTAL_B = I915_READ(_TRANS_HTOTAL_B);
+		dev_priv->saveTRANS_HBLANK_B = I915_READ(_TRANS_HBLANK_B);
+		dev_priv->saveTRANS_HSYNC_B = I915_READ(_TRANS_HSYNC_B);
+		dev_priv->saveTRANS_VTOTAL_B = I915_READ(_TRANS_VTOTAL_B);
+		dev_priv->saveTRANS_VBLANK_B = I915_READ(_TRANS_VBLANK_B);
+		dev_priv->saveTRANS_VSYNC_B = I915_READ(_TRANS_VSYNC_B);
 	}
 
-	dev_priv->saveDSPBCNTR = I915_READ(DSPBCNTR);
-	dev_priv->saveDSPBSTRIDE = I915_READ(DSPBSTRIDE);
-	dev_priv->saveDSPBSIZE = I915_READ(DSPBSIZE);
-	dev_priv->saveDSPBPOS = I915_READ(DSPBPOS);
-	dev_priv->saveDSPBADDR = I915_READ(DSPBADDR);
+	dev_priv->saveDSPBCNTR = I915_READ(_DSPBCNTR);
+	dev_priv->saveDSPBSTRIDE = I915_READ(_DSPBSTRIDE);
+	dev_priv->saveDSPBSIZE = I915_READ(_DSPBSIZE);
+	dev_priv->saveDSPBPOS = I915_READ(_DSPBPOS);
+	dev_priv->saveDSPBADDR = I915_READ(_DSPBADDR);
 	if (INTEL_INFO(dev)->gen >= 4) {
-		dev_priv->saveDSPBSURF = I915_READ(DSPBSURF);
-		dev_priv->saveDSPBTILEOFF = I915_READ(DSPBTILEOFF);
+		dev_priv->saveDSPBSURF = I915_READ(_DSPBSURF);
+		dev_priv->saveDSPBTILEOFF = I915_READ(_DSPBTILEOFF);
 	}
 	i915_save_palette(dev, PIPE_B);
-	dev_priv->savePIPEBSTAT = I915_READ(PIPEBSTAT);
+	dev_priv->savePIPEBSTAT = I915_READ(_PIPEBSTAT);
 
 	/* Fences */
 	switch (INTEL_INFO(dev)->gen) {
@@ -426,19 +425,19 @@
 
 
 	if (HAS_PCH_SPLIT(dev)) {
-		dpll_a_reg = PCH_DPLL_A;
-		dpll_b_reg = PCH_DPLL_B;
-		fpa0_reg = PCH_FPA0;
-		fpb0_reg = PCH_FPB0;
-		fpa1_reg = PCH_FPA1;
-		fpb1_reg = PCH_FPB1;
+		dpll_a_reg = _PCH_DPLL_A;
+		dpll_b_reg = _PCH_DPLL_B;
+		fpa0_reg = _PCH_FPA0;
+		fpb0_reg = _PCH_FPB0;
+		fpa1_reg = _PCH_FPA1;
+		fpb1_reg = _PCH_FPB1;
 	} else {
-		dpll_a_reg = DPLL_A;
-		dpll_b_reg = DPLL_B;
-		fpa0_reg = FPA0;
-		fpb0_reg = FPB0;
-		fpa1_reg = FPA1;
-		fpb1_reg = FPB1;
+		dpll_a_reg = _DPLL_A;
+		dpll_b_reg = _DPLL_B;
+		fpa0_reg = _FPA0;
+		fpb0_reg = _FPB0;
+		fpa1_reg = _FPA1;
+		fpb1_reg = _FPB1;
 	}
 
 	if (HAS_PCH_SPLIT(dev)) {
@@ -461,60 +460,60 @@
 	POSTING_READ(dpll_a_reg);
 	udelay(150);
 	if (INTEL_INFO(dev)->gen >= 4 && !HAS_PCH_SPLIT(dev)) {
-		I915_WRITE(DPLL_A_MD, dev_priv->saveDPLL_A_MD);
-		POSTING_READ(DPLL_A_MD);
+		I915_WRITE(_DPLL_A_MD, dev_priv->saveDPLL_A_MD);
+		POSTING_READ(_DPLL_A_MD);
 	}
 	udelay(150);
 
 	/* Restore mode */
-	I915_WRITE(HTOTAL_A, dev_priv->saveHTOTAL_A);
-	I915_WRITE(HBLANK_A, dev_priv->saveHBLANK_A);
-	I915_WRITE(HSYNC_A, dev_priv->saveHSYNC_A);
-	I915_WRITE(VTOTAL_A, dev_priv->saveVTOTAL_A);
-	I915_WRITE(VBLANK_A, dev_priv->saveVBLANK_A);
-	I915_WRITE(VSYNC_A, dev_priv->saveVSYNC_A);
+	I915_WRITE(_HTOTAL_A, dev_priv->saveHTOTAL_A);
+	I915_WRITE(_HBLANK_A, dev_priv->saveHBLANK_A);
+	I915_WRITE(_HSYNC_A, dev_priv->saveHSYNC_A);
+	I915_WRITE(_VTOTAL_A, dev_priv->saveVTOTAL_A);
+	I915_WRITE(_VBLANK_A, dev_priv->saveVBLANK_A);
+	I915_WRITE(_VSYNC_A, dev_priv->saveVSYNC_A);
 	if (!HAS_PCH_SPLIT(dev))
-		I915_WRITE(BCLRPAT_A, dev_priv->saveBCLRPAT_A);
+		I915_WRITE(_BCLRPAT_A, dev_priv->saveBCLRPAT_A);
 
 	if (HAS_PCH_SPLIT(dev)) {
-		I915_WRITE(PIPEA_DATA_M1, dev_priv->savePIPEA_DATA_M1);
-		I915_WRITE(PIPEA_DATA_N1, dev_priv->savePIPEA_DATA_N1);
-		I915_WRITE(PIPEA_LINK_M1, dev_priv->savePIPEA_LINK_M1);
-		I915_WRITE(PIPEA_LINK_N1, dev_priv->savePIPEA_LINK_N1);
+		I915_WRITE(_PIPEA_DATA_M1, dev_priv->savePIPEA_DATA_M1);
+		I915_WRITE(_PIPEA_DATA_N1, dev_priv->savePIPEA_DATA_N1);
+		I915_WRITE(_PIPEA_LINK_M1, dev_priv->savePIPEA_LINK_M1);
+		I915_WRITE(_PIPEA_LINK_N1, dev_priv->savePIPEA_LINK_N1);
 
-		I915_WRITE(FDI_RXA_CTL, dev_priv->saveFDI_RXA_CTL);
-		I915_WRITE(FDI_TXA_CTL, dev_priv->saveFDI_TXA_CTL);
+		I915_WRITE(_FDI_RXA_CTL, dev_priv->saveFDI_RXA_CTL);
+		I915_WRITE(_FDI_TXA_CTL, dev_priv->saveFDI_TXA_CTL);
 
-		I915_WRITE(PFA_CTL_1, dev_priv->savePFA_CTL_1);
-		I915_WRITE(PFA_WIN_SZ, dev_priv->savePFA_WIN_SZ);
-		I915_WRITE(PFA_WIN_POS, dev_priv->savePFA_WIN_POS);
+		I915_WRITE(_PFA_CTL_1, dev_priv->savePFA_CTL_1);
+		I915_WRITE(_PFA_WIN_SZ, dev_priv->savePFA_WIN_SZ);
+		I915_WRITE(_PFA_WIN_POS, dev_priv->savePFA_WIN_POS);
 
-		I915_WRITE(TRANSACONF, dev_priv->saveTRANSACONF);
-		I915_WRITE(TRANS_HTOTAL_A, dev_priv->saveTRANS_HTOTAL_A);
-		I915_WRITE(TRANS_HBLANK_A, dev_priv->saveTRANS_HBLANK_A);
-		I915_WRITE(TRANS_HSYNC_A, dev_priv->saveTRANS_HSYNC_A);
-		I915_WRITE(TRANS_VTOTAL_A, dev_priv->saveTRANS_VTOTAL_A);
-		I915_WRITE(TRANS_VBLANK_A, dev_priv->saveTRANS_VBLANK_A);
-		I915_WRITE(TRANS_VSYNC_A, dev_priv->saveTRANS_VSYNC_A);
+		I915_WRITE(_TRANSACONF, dev_priv->saveTRANSACONF);
+		I915_WRITE(_TRANS_HTOTAL_A, dev_priv->saveTRANS_HTOTAL_A);
+		I915_WRITE(_TRANS_HBLANK_A, dev_priv->saveTRANS_HBLANK_A);
+		I915_WRITE(_TRANS_HSYNC_A, dev_priv->saveTRANS_HSYNC_A);
+		I915_WRITE(_TRANS_VTOTAL_A, dev_priv->saveTRANS_VTOTAL_A);
+		I915_WRITE(_TRANS_VBLANK_A, dev_priv->saveTRANS_VBLANK_A);
+		I915_WRITE(_TRANS_VSYNC_A, dev_priv->saveTRANS_VSYNC_A);
 	}
 
 	/* Restore plane info */
-	I915_WRITE(DSPASIZE, dev_priv->saveDSPASIZE);
-	I915_WRITE(DSPAPOS, dev_priv->saveDSPAPOS);
-	I915_WRITE(PIPEASRC, dev_priv->savePIPEASRC);
-	I915_WRITE(DSPAADDR, dev_priv->saveDSPAADDR);
-	I915_WRITE(DSPASTRIDE, dev_priv->saveDSPASTRIDE);
+	I915_WRITE(_DSPASIZE, dev_priv->saveDSPASIZE);
+	I915_WRITE(_DSPAPOS, dev_priv->saveDSPAPOS);
+	I915_WRITE(_PIPEASRC, dev_priv->savePIPEASRC);
+	I915_WRITE(_DSPAADDR, dev_priv->saveDSPAADDR);
+	I915_WRITE(_DSPASTRIDE, dev_priv->saveDSPASTRIDE);
 	if (INTEL_INFO(dev)->gen >= 4) {
-		I915_WRITE(DSPASURF, dev_priv->saveDSPASURF);
-		I915_WRITE(DSPATILEOFF, dev_priv->saveDSPATILEOFF);
+		I915_WRITE(_DSPASURF, dev_priv->saveDSPASURF);
+		I915_WRITE(_DSPATILEOFF, dev_priv->saveDSPATILEOFF);
 	}
 
-	I915_WRITE(PIPEACONF, dev_priv->savePIPEACONF);
+	I915_WRITE(_PIPEACONF, dev_priv->savePIPEACONF);
 
 	i915_restore_palette(dev, PIPE_A);
 	/* Enable the plane */
-	I915_WRITE(DSPACNTR, dev_priv->saveDSPACNTR);
-	I915_WRITE(DSPAADDR, I915_READ(DSPAADDR));
+	I915_WRITE(_DSPACNTR, dev_priv->saveDSPACNTR);
+	I915_WRITE(_DSPAADDR, I915_READ(_DSPAADDR));
 
 	/* Pipe & plane B info */
 	if (dev_priv->saveDPLL_B & DPLL_VCO_ENABLE) {
@@ -530,68 +529,68 @@
 	POSTING_READ(dpll_b_reg);
 	udelay(150);
 	if (INTEL_INFO(dev)->gen >= 4 && !HAS_PCH_SPLIT(dev)) {
-		I915_WRITE(DPLL_B_MD, dev_priv->saveDPLL_B_MD);
-		POSTING_READ(DPLL_B_MD);
+		I915_WRITE(_DPLL_B_MD, dev_priv->saveDPLL_B_MD);
+		POSTING_READ(_DPLL_B_MD);
 	}
 	udelay(150);
 
 	/* Restore mode */
-	I915_WRITE(HTOTAL_B, dev_priv->saveHTOTAL_B);
-	I915_WRITE(HBLANK_B, dev_priv->saveHBLANK_B);
-	I915_WRITE(HSYNC_B, dev_priv->saveHSYNC_B);
-	I915_WRITE(VTOTAL_B, dev_priv->saveVTOTAL_B);
-	I915_WRITE(VBLANK_B, dev_priv->saveVBLANK_B);
-	I915_WRITE(VSYNC_B, dev_priv->saveVSYNC_B);
+	I915_WRITE(_HTOTAL_B, dev_priv->saveHTOTAL_B);
+	I915_WRITE(_HBLANK_B, dev_priv->saveHBLANK_B);
+	I915_WRITE(_HSYNC_B, dev_priv->saveHSYNC_B);
+	I915_WRITE(_VTOTAL_B, dev_priv->saveVTOTAL_B);
+	I915_WRITE(_VBLANK_B, dev_priv->saveVBLANK_B);
+	I915_WRITE(_VSYNC_B, dev_priv->saveVSYNC_B);
 	if (!HAS_PCH_SPLIT(dev))
-		I915_WRITE(BCLRPAT_B, dev_priv->saveBCLRPAT_B);
+		I915_WRITE(_BCLRPAT_B, dev_priv->saveBCLRPAT_B);
 
 	if (HAS_PCH_SPLIT(dev)) {
-		I915_WRITE(PIPEB_DATA_M1, dev_priv->savePIPEB_DATA_M1);
-		I915_WRITE(PIPEB_DATA_N1, dev_priv->savePIPEB_DATA_N1);
-		I915_WRITE(PIPEB_LINK_M1, dev_priv->savePIPEB_LINK_M1);
-		I915_WRITE(PIPEB_LINK_N1, dev_priv->savePIPEB_LINK_N1);
+		I915_WRITE(_PIPEB_DATA_M1, dev_priv->savePIPEB_DATA_M1);
+		I915_WRITE(_PIPEB_DATA_N1, dev_priv->savePIPEB_DATA_N1);
+		I915_WRITE(_PIPEB_LINK_M1, dev_priv->savePIPEB_LINK_M1);
+		I915_WRITE(_PIPEB_LINK_N1, dev_priv->savePIPEB_LINK_N1);
 
-		I915_WRITE(FDI_RXB_CTL, dev_priv->saveFDI_RXB_CTL);
-		I915_WRITE(FDI_TXB_CTL, dev_priv->saveFDI_TXB_CTL);
+		I915_WRITE(_FDI_RXB_CTL, dev_priv->saveFDI_RXB_CTL);
+		I915_WRITE(_FDI_TXB_CTL, dev_priv->saveFDI_TXB_CTL);
 
-		I915_WRITE(PFB_CTL_1, dev_priv->savePFB_CTL_1);
-		I915_WRITE(PFB_WIN_SZ, dev_priv->savePFB_WIN_SZ);
-		I915_WRITE(PFB_WIN_POS, dev_priv->savePFB_WIN_POS);
+		I915_WRITE(_PFB_CTL_1, dev_priv->savePFB_CTL_1);
+		I915_WRITE(_PFB_WIN_SZ, dev_priv->savePFB_WIN_SZ);
+		I915_WRITE(_PFB_WIN_POS, dev_priv->savePFB_WIN_POS);
 
-		I915_WRITE(TRANSBCONF, dev_priv->saveTRANSBCONF);
-		I915_WRITE(TRANS_HTOTAL_B, dev_priv->saveTRANS_HTOTAL_B);
-		I915_WRITE(TRANS_HBLANK_B, dev_priv->saveTRANS_HBLANK_B);
-		I915_WRITE(TRANS_HSYNC_B, dev_priv->saveTRANS_HSYNC_B);
-		I915_WRITE(TRANS_VTOTAL_B, dev_priv->saveTRANS_VTOTAL_B);
-		I915_WRITE(TRANS_VBLANK_B, dev_priv->saveTRANS_VBLANK_B);
-		I915_WRITE(TRANS_VSYNC_B, dev_priv->saveTRANS_VSYNC_B);
+		I915_WRITE(_TRANSBCONF, dev_priv->saveTRANSBCONF);
+		I915_WRITE(_TRANS_HTOTAL_B, dev_priv->saveTRANS_HTOTAL_B);
+		I915_WRITE(_TRANS_HBLANK_B, dev_priv->saveTRANS_HBLANK_B);
+		I915_WRITE(_TRANS_HSYNC_B, dev_priv->saveTRANS_HSYNC_B);
+		I915_WRITE(_TRANS_VTOTAL_B, dev_priv->saveTRANS_VTOTAL_B);
+		I915_WRITE(_TRANS_VBLANK_B, dev_priv->saveTRANS_VBLANK_B);
+		I915_WRITE(_TRANS_VSYNC_B, dev_priv->saveTRANS_VSYNC_B);
 	}
 
 	/* Restore plane info */
-	I915_WRITE(DSPBSIZE, dev_priv->saveDSPBSIZE);
-	I915_WRITE(DSPBPOS, dev_priv->saveDSPBPOS);
-	I915_WRITE(PIPEBSRC, dev_priv->savePIPEBSRC);
-	I915_WRITE(DSPBADDR, dev_priv->saveDSPBADDR);
-	I915_WRITE(DSPBSTRIDE, dev_priv->saveDSPBSTRIDE);
+	I915_WRITE(_DSPBSIZE, dev_priv->saveDSPBSIZE);
+	I915_WRITE(_DSPBPOS, dev_priv->saveDSPBPOS);
+	I915_WRITE(_PIPEBSRC, dev_priv->savePIPEBSRC);
+	I915_WRITE(_DSPBADDR, dev_priv->saveDSPBADDR);
+	I915_WRITE(_DSPBSTRIDE, dev_priv->saveDSPBSTRIDE);
 	if (INTEL_INFO(dev)->gen >= 4) {
-		I915_WRITE(DSPBSURF, dev_priv->saveDSPBSURF);
-		I915_WRITE(DSPBTILEOFF, dev_priv->saveDSPBTILEOFF);
+		I915_WRITE(_DSPBSURF, dev_priv->saveDSPBSURF);
+		I915_WRITE(_DSPBTILEOFF, dev_priv->saveDSPBTILEOFF);
 	}
 
-	I915_WRITE(PIPEBCONF, dev_priv->savePIPEBCONF);
+	I915_WRITE(_PIPEBCONF, dev_priv->savePIPEBCONF);
 
 	i915_restore_palette(dev, PIPE_B);
 	/* Enable the plane */
-	I915_WRITE(DSPBCNTR, dev_priv->saveDSPBCNTR);
-	I915_WRITE(DSPBADDR, I915_READ(DSPBADDR));
+	I915_WRITE(_DSPBCNTR, dev_priv->saveDSPBCNTR);
+	I915_WRITE(_DSPBADDR, I915_READ(_DSPBADDR));
 
 	/* Cursor state */
-	I915_WRITE(CURAPOS, dev_priv->saveCURAPOS);
-	I915_WRITE(CURACNTR, dev_priv->saveCURACNTR);
-	I915_WRITE(CURABASE, dev_priv->saveCURABASE);
-	I915_WRITE(CURBPOS, dev_priv->saveCURBPOS);
-	I915_WRITE(CURBCNTR, dev_priv->saveCURBCNTR);
-	I915_WRITE(CURBBASE, dev_priv->saveCURBBASE);
+	I915_WRITE(_CURAPOS, dev_priv->saveCURAPOS);
+	I915_WRITE(_CURACNTR, dev_priv->saveCURACNTR);
+	I915_WRITE(_CURABASE, dev_priv->saveCURABASE);
+	I915_WRITE(_CURBPOS, dev_priv->saveCURBPOS);
+	I915_WRITE(_CURBCNTR, dev_priv->saveCURBCNTR);
+	I915_WRITE(_CURBBASE, dev_priv->saveCURBBASE);
 	if (IS_GEN2(dev))
 		I915_WRITE(CURSIZE, dev_priv->saveCURSIZE);
 
@@ -653,14 +652,14 @@
 		dev_priv->saveDP_B = I915_READ(DP_B);
 		dev_priv->saveDP_C = I915_READ(DP_C);
 		dev_priv->saveDP_D = I915_READ(DP_D);
-		dev_priv->savePIPEA_GMCH_DATA_M = I915_READ(PIPEA_GMCH_DATA_M);
-		dev_priv->savePIPEB_GMCH_DATA_M = I915_READ(PIPEB_GMCH_DATA_M);
-		dev_priv->savePIPEA_GMCH_DATA_N = I915_READ(PIPEA_GMCH_DATA_N);
-		dev_priv->savePIPEB_GMCH_DATA_N = I915_READ(PIPEB_GMCH_DATA_N);
-		dev_priv->savePIPEA_DP_LINK_M = I915_READ(PIPEA_DP_LINK_M);
-		dev_priv->savePIPEB_DP_LINK_M = I915_READ(PIPEB_DP_LINK_M);
-		dev_priv->savePIPEA_DP_LINK_N = I915_READ(PIPEA_DP_LINK_N);
-		dev_priv->savePIPEB_DP_LINK_N = I915_READ(PIPEB_DP_LINK_N);
+		dev_priv->savePIPEA_GMCH_DATA_M = I915_READ(_PIPEA_GMCH_DATA_M);
+		dev_priv->savePIPEB_GMCH_DATA_M = I915_READ(_PIPEB_GMCH_DATA_M);
+		dev_priv->savePIPEA_GMCH_DATA_N = I915_READ(_PIPEA_GMCH_DATA_N);
+		dev_priv->savePIPEB_GMCH_DATA_N = I915_READ(_PIPEB_GMCH_DATA_N);
+		dev_priv->savePIPEA_DP_LINK_M = I915_READ(_PIPEA_DP_LINK_M);
+		dev_priv->savePIPEB_DP_LINK_M = I915_READ(_PIPEB_DP_LINK_M);
+		dev_priv->savePIPEA_DP_LINK_N = I915_READ(_PIPEA_DP_LINK_N);
+		dev_priv->savePIPEB_DP_LINK_N = I915_READ(_PIPEB_DP_LINK_N);
 	}
 	/* FIXME: save TV & SDVO state */
 
@@ -699,14 +698,14 @@
 
 	/* Display port ratios (must be done before clock is set) */
 	if (SUPPORTS_INTEGRATED_DP(dev)) {
-		I915_WRITE(PIPEA_GMCH_DATA_M, dev_priv->savePIPEA_GMCH_DATA_M);
-		I915_WRITE(PIPEB_GMCH_DATA_M, dev_priv->savePIPEB_GMCH_DATA_M);
-		I915_WRITE(PIPEA_GMCH_DATA_N, dev_priv->savePIPEA_GMCH_DATA_N);
-		I915_WRITE(PIPEB_GMCH_DATA_N, dev_priv->savePIPEB_GMCH_DATA_N);
-		I915_WRITE(PIPEA_DP_LINK_M, dev_priv->savePIPEA_DP_LINK_M);
-		I915_WRITE(PIPEB_DP_LINK_M, dev_priv->savePIPEB_DP_LINK_M);
-		I915_WRITE(PIPEA_DP_LINK_N, dev_priv->savePIPEA_DP_LINK_N);
-		I915_WRITE(PIPEB_DP_LINK_N, dev_priv->savePIPEB_DP_LINK_N);
+		I915_WRITE(_PIPEA_GMCH_DATA_M, dev_priv->savePIPEA_GMCH_DATA_M);
+		I915_WRITE(_PIPEB_GMCH_DATA_M, dev_priv->savePIPEB_GMCH_DATA_M);
+		I915_WRITE(_PIPEA_GMCH_DATA_N, dev_priv->savePIPEA_GMCH_DATA_N);
+		I915_WRITE(_PIPEB_GMCH_DATA_N, dev_priv->savePIPEB_GMCH_DATA_N);
+		I915_WRITE(_PIPEA_DP_LINK_M, dev_priv->savePIPEA_DP_LINK_M);
+		I915_WRITE(_PIPEB_DP_LINK_M, dev_priv->savePIPEB_DP_LINK_M);
+		I915_WRITE(_PIPEA_DP_LINK_N, dev_priv->savePIPEA_DP_LINK_N);
+		I915_WRITE(_PIPEB_DP_LINK_N, dev_priv->savePIPEB_DP_LINK_N);
 	}
 
 	/* This is only meaningful in non-KMS mode */
@@ -797,9 +796,6 @@
 
 	pci_read_config_byte(dev->pdev, LBB, &dev_priv->saveLBB);
 
-	/* Hardware status page */
-	dev_priv->saveHWS = I915_READ(HWS_PGA);
-
 	i915_save_display(dev);
 
 	/* Interrupt state */
@@ -808,8 +804,8 @@
 		dev_priv->saveDEIMR = I915_READ(DEIMR);
 		dev_priv->saveGTIER = I915_READ(GTIER);
 		dev_priv->saveGTIMR = I915_READ(GTIMR);
-		dev_priv->saveFDI_RXA_IMR = I915_READ(FDI_RXA_IMR);
-		dev_priv->saveFDI_RXB_IMR = I915_READ(FDI_RXB_IMR);
+		dev_priv->saveFDI_RXA_IMR = I915_READ(_FDI_RXA_IMR);
+		dev_priv->saveFDI_RXB_IMR = I915_READ(_FDI_RXB_IMR);
 		dev_priv->saveMCHBAR_RENDER_STANDBY =
 			I915_READ(RSTDBYCTL);
 	} else {
@@ -846,9 +842,6 @@
 
 	pci_write_config_byte(dev->pdev, LBB, dev_priv->saveLBB);
 
-	/* Hardware status page */
-	I915_WRITE(HWS_PGA, dev_priv->saveHWS);
-
 	i915_restore_display(dev);
 
 	/* Interrupt state */
@@ -857,11 +850,11 @@
 		I915_WRITE(DEIMR, dev_priv->saveDEIMR);
 		I915_WRITE(GTIER, dev_priv->saveGTIER);
 		I915_WRITE(GTIMR, dev_priv->saveGTIMR);
-		I915_WRITE(FDI_RXA_IMR, dev_priv->saveFDI_RXA_IMR);
-		I915_WRITE(FDI_RXB_IMR, dev_priv->saveFDI_RXB_IMR);
+		I915_WRITE(_FDI_RXA_IMR, dev_priv->saveFDI_RXA_IMR);
+		I915_WRITE(_FDI_RXB_IMR, dev_priv->saveFDI_RXB_IMR);
 	} else {
-		I915_WRITE (IER, dev_priv->saveIER);
-		I915_WRITE (IMR,  dev_priv->saveIMR);
+		I915_WRITE(IER, dev_priv->saveIER);
+		I915_WRITE(IMR, dev_priv->saveIMR);
 	}
 
 	/* Clock gating state */
diff --git a/drivers/gpu/drm/i915/i915_trace.h b/drivers/gpu/drm/i915/i915_trace.h
index 7f0fc3e..d623fef 100644
--- a/drivers/gpu/drm/i915/i915_trace.h
+++ b/drivers/gpu/drm/i915/i915_trace.h
@@ -7,6 +7,7 @@
 
 #include <drm/drmP.h>
 #include "i915_drv.h"
+#include "intel_ringbuffer.h"
 
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM i915
@@ -16,9 +17,7 @@
 /* object tracking */
 
 TRACE_EVENT(i915_gem_object_create,
-
 	    TP_PROTO(struct drm_i915_gem_object *obj),
-
 	    TP_ARGS(obj),
 
 	    TP_STRUCT__entry(
@@ -35,33 +34,51 @@
 );
 
 TRACE_EVENT(i915_gem_object_bind,
-
-	    TP_PROTO(struct drm_i915_gem_object *obj, u32 gtt_offset, bool mappable),
-
-	    TP_ARGS(obj, gtt_offset, mappable),
+	    TP_PROTO(struct drm_i915_gem_object *obj, bool mappable),
+	    TP_ARGS(obj, mappable),
 
 	    TP_STRUCT__entry(
 			     __field(struct drm_i915_gem_object *, obj)
-			     __field(u32, gtt_offset)
+			     __field(u32, offset)
+			     __field(u32, size)
 			     __field(bool, mappable)
 			     ),
 
 	    TP_fast_assign(
 			   __entry->obj = obj;
-			   __entry->gtt_offset = gtt_offset;
+			   __entry->offset = obj->gtt_space->start;
+			   __entry->size = obj->gtt_space->size;
 			   __entry->mappable = mappable;
 			   ),
 
-	    TP_printk("obj=%p, gtt_offset=%08x%s",
-		      __entry->obj, __entry->gtt_offset,
+	    TP_printk("obj=%p, offset=%08x size=%x%s",
+		      __entry->obj, __entry->offset, __entry->size,
 		      __entry->mappable ? ", mappable" : "")
 );
 
+TRACE_EVENT(i915_gem_object_unbind,
+	    TP_PROTO(struct drm_i915_gem_object *obj),
+	    TP_ARGS(obj),
+
+	    TP_STRUCT__entry(
+			     __field(struct drm_i915_gem_object *, obj)
+			     __field(u32, offset)
+			     __field(u32, size)
+			     ),
+
+	    TP_fast_assign(
+			   __entry->obj = obj;
+			   __entry->offset = obj->gtt_space->start;
+			   __entry->size = obj->gtt_space->size;
+			   ),
+
+	    TP_printk("obj=%p, offset=%08x size=%x",
+		      __entry->obj, __entry->offset, __entry->size)
+);
+
 TRACE_EVENT(i915_gem_object_change_domain,
-
-	    TP_PROTO(struct drm_i915_gem_object *obj, uint32_t old_read_domains, uint32_t old_write_domain),
-
-	    TP_ARGS(obj, old_read_domains, old_write_domain),
+	    TP_PROTO(struct drm_i915_gem_object *obj, u32 old_read, u32 old_write),
+	    TP_ARGS(obj, old_read, old_write),
 
 	    TP_STRUCT__entry(
 			     __field(struct drm_i915_gem_object *, obj)
@@ -71,19 +88,85 @@
 
 	    TP_fast_assign(
 			   __entry->obj = obj;
-			   __entry->read_domains = obj->base.read_domains | (old_read_domains << 16);
-			   __entry->write_domain = obj->base.write_domain | (old_write_domain << 16);
+			   __entry->read_domains = obj->base.read_domains | (old_read << 16);
+			   __entry->write_domain = obj->base.write_domain | (old_write << 16);
 			   ),
 
-	    TP_printk("obj=%p, read=%04x, write=%04x",
+	    TP_printk("obj=%p, read=%02x=>%02x, write=%02x=>%02x",
 		      __entry->obj,
-		      __entry->read_domains, __entry->write_domain)
+		      __entry->read_domains >> 16,
+		      __entry->read_domains & 0xffff,
+		      __entry->write_domain >> 16,
+		      __entry->write_domain & 0xffff)
+);
+
+TRACE_EVENT(i915_gem_object_pwrite,
+	    TP_PROTO(struct drm_i915_gem_object *obj, u32 offset, u32 len),
+	    TP_ARGS(obj, offset, len),
+
+	    TP_STRUCT__entry(
+			     __field(struct drm_i915_gem_object *, obj)
+			     __field(u32, offset)
+			     __field(u32, len)
+			     ),
+
+	    TP_fast_assign(
+			   __entry->obj = obj;
+			   __entry->offset = offset;
+			   __entry->len = len;
+			   ),
+
+	    TP_printk("obj=%p, offset=%u, len=%u",
+		      __entry->obj, __entry->offset, __entry->len)
+);
+
+TRACE_EVENT(i915_gem_object_pread,
+	    TP_PROTO(struct drm_i915_gem_object *obj, u32 offset, u32 len),
+	    TP_ARGS(obj, offset, len),
+
+	    TP_STRUCT__entry(
+			     __field(struct drm_i915_gem_object *, obj)
+			     __field(u32, offset)
+			     __field(u32, len)
+			     ),
+
+	    TP_fast_assign(
+			   __entry->obj = obj;
+			   __entry->offset = offset;
+			   __entry->len = len;
+			   ),
+
+	    TP_printk("obj=%p, offset=%u, len=%u",
+		      __entry->obj, __entry->offset, __entry->len)
+);
+
+TRACE_EVENT(i915_gem_object_fault,
+	    TP_PROTO(struct drm_i915_gem_object *obj, u32 index, bool gtt, bool write),
+	    TP_ARGS(obj, index, gtt, write),
+
+	    TP_STRUCT__entry(
+			     __field(struct drm_i915_gem_object *, obj)
+			     __field(u32, index)
+			     __field(bool, gtt)
+			     __field(bool, write)
+			     ),
+
+	    TP_fast_assign(
+			   __entry->obj = obj;
+			   __entry->index = index;
+			   __entry->gtt = gtt;
+			   __entry->write = write;
+			   ),
+
+	    TP_printk("obj=%p, %s index=%u %s",
+		      __entry->obj,
+		      __entry->gtt ? "GTT" : "CPU",
+		      __entry->index,
+		      __entry->write ? ", writable" : "")
 );
 
 DECLARE_EVENT_CLASS(i915_gem_object,
-
 	    TP_PROTO(struct drm_i915_gem_object *obj),
-
 	    TP_ARGS(obj),
 
 	    TP_STRUCT__entry(
@@ -98,150 +181,171 @@
 );
 
 DEFINE_EVENT(i915_gem_object, i915_gem_object_clflush,
-
-	    TP_PROTO(struct drm_i915_gem_object *obj),
-
-	    TP_ARGS(obj)
-);
-
-DEFINE_EVENT(i915_gem_object, i915_gem_object_unbind,
-
-	    TP_PROTO(struct drm_i915_gem_object *obj),
-
-	    TP_ARGS(obj)
+	     TP_PROTO(struct drm_i915_gem_object *obj),
+	     TP_ARGS(obj)
 );
 
 DEFINE_EVENT(i915_gem_object, i915_gem_object_destroy,
-
 	    TP_PROTO(struct drm_i915_gem_object *obj),
-
 	    TP_ARGS(obj)
 );
 
-/* batch tracing */
-
-TRACE_EVENT(i915_gem_request_submit,
-
-	    TP_PROTO(struct drm_device *dev, u32 seqno),
-
-	    TP_ARGS(dev, seqno),
+TRACE_EVENT(i915_gem_evict,
+	    TP_PROTO(struct drm_device *dev, u32 size, u32 align, bool mappable),
+	    TP_ARGS(dev, size, align, mappable),
 
 	    TP_STRUCT__entry(
 			     __field(u32, dev)
-			     __field(u32, seqno)
-			     ),
+			     __field(u32, size)
+			     __field(u32, align)
+			     __field(bool, mappable)
+			    ),
 
 	    TP_fast_assign(
 			   __entry->dev = dev->primary->index;
-			   __entry->seqno = seqno;
-			   i915_trace_irq_get(dev, seqno);
-			   ),
+			   __entry->size = size;
+			   __entry->align = align;
+			   __entry->mappable = mappable;
+			  ),
 
-	    TP_printk("dev=%u, seqno=%u", __entry->dev, __entry->seqno)
+	    TP_printk("dev=%d, size=%d, align=%d %s",
+		      __entry->dev, __entry->size, __entry->align,
+		      __entry->mappable ? ", mappable" : "")
 );
 
-TRACE_EVENT(i915_gem_request_flush,
-
-	    TP_PROTO(struct drm_device *dev, u32 seqno,
-		     u32 flush_domains, u32 invalidate_domains),
-
-	    TP_ARGS(dev, seqno, flush_domains, invalidate_domains),
+TRACE_EVENT(i915_gem_evict_everything,
+	    TP_PROTO(struct drm_device *dev, bool purgeable),
+	    TP_ARGS(dev, purgeable),
 
 	    TP_STRUCT__entry(
 			     __field(u32, dev)
-			     __field(u32, seqno)
-			     __field(u32, flush_domains)
-			     __field(u32, invalidate_domains)
-			     ),
+			     __field(bool, purgeable)
+			    ),
 
 	    TP_fast_assign(
 			   __entry->dev = dev->primary->index;
+			   __entry->purgeable = purgeable;
+			  ),
+
+	    TP_printk("dev=%d%s",
+		      __entry->dev,
+		      __entry->purgeable ? ", purgeable only" : "")
+);
+
+TRACE_EVENT(i915_gem_ring_dispatch,
+	    TP_PROTO(struct intel_ring_buffer *ring, u32 seqno),
+	    TP_ARGS(ring, seqno),
+
+	    TP_STRUCT__entry(
+			     __field(u32, dev)
+			     __field(u32, ring)
+			     __field(u32, seqno)
+			     ),
+
+	    TP_fast_assign(
+			   __entry->dev = ring->dev->primary->index;
+			   __entry->ring = ring->id;
 			   __entry->seqno = seqno;
-			   __entry->flush_domains = flush_domains;
-			   __entry->invalidate_domains = invalidate_domains;
+			   i915_trace_irq_get(ring, seqno);
 			   ),
 
-	    TP_printk("dev=%u, seqno=%u, flush=%04x, invalidate=%04x",
-		      __entry->dev, __entry->seqno,
-		      __entry->flush_domains, __entry->invalidate_domains)
+	    TP_printk("dev=%u, ring=%u, seqno=%u",
+		      __entry->dev, __entry->ring, __entry->seqno)
+);
+
+TRACE_EVENT(i915_gem_ring_flush,
+	    TP_PROTO(struct intel_ring_buffer *ring, u32 invalidate, u32 flush),
+	    TP_ARGS(ring, invalidate, flush),
+
+	    TP_STRUCT__entry(
+			     __field(u32, dev)
+			     __field(u32, ring)
+			     __field(u32, invalidate)
+			     __field(u32, flush)
+			     ),
+
+	    TP_fast_assign(
+			   __entry->dev = ring->dev->primary->index;
+			   __entry->ring = ring->id;
+			   __entry->invalidate = invalidate;
+			   __entry->flush = flush;
+			   ),
+
+	    TP_printk("dev=%u, ring=%x, invalidate=%04x, flush=%04x",
+		      __entry->dev, __entry->ring,
+		      __entry->invalidate, __entry->flush)
 );
 
 DECLARE_EVENT_CLASS(i915_gem_request,
-
-	    TP_PROTO(struct drm_device *dev, u32 seqno),
-
-	    TP_ARGS(dev, seqno),
+	    TP_PROTO(struct intel_ring_buffer *ring, u32 seqno),
+	    TP_ARGS(ring, seqno),
 
 	    TP_STRUCT__entry(
 			     __field(u32, dev)
+			     __field(u32, ring)
 			     __field(u32, seqno)
 			     ),
 
 	    TP_fast_assign(
-			   __entry->dev = dev->primary->index;
+			   __entry->dev = ring->dev->primary->index;
+			   __entry->ring = ring->id;
 			   __entry->seqno = seqno;
 			   ),
 
-	    TP_printk("dev=%u, seqno=%u", __entry->dev, __entry->seqno)
+	    TP_printk("dev=%u, ring=%u, seqno=%u",
+		      __entry->dev, __entry->ring, __entry->seqno)
+);
+
+DEFINE_EVENT(i915_gem_request, i915_gem_request_add,
+	    TP_PROTO(struct intel_ring_buffer *ring, u32 seqno),
+	    TP_ARGS(ring, seqno)
 );
 
 DEFINE_EVENT(i915_gem_request, i915_gem_request_complete,
-
-	    TP_PROTO(struct drm_device *dev, u32 seqno),
-
-	    TP_ARGS(dev, seqno)
+	    TP_PROTO(struct intel_ring_buffer *ring, u32 seqno),
+	    TP_ARGS(ring, seqno)
 );
 
 DEFINE_EVENT(i915_gem_request, i915_gem_request_retire,
-
-	    TP_PROTO(struct drm_device *dev, u32 seqno),
-
-	    TP_ARGS(dev, seqno)
+	    TP_PROTO(struct intel_ring_buffer *ring, u32 seqno),
+	    TP_ARGS(ring, seqno)
 );
 
 DEFINE_EVENT(i915_gem_request, i915_gem_request_wait_begin,
-
-	    TP_PROTO(struct drm_device *dev, u32 seqno),
-
-	    TP_ARGS(dev, seqno)
+	    TP_PROTO(struct intel_ring_buffer *ring, u32 seqno),
+	    TP_ARGS(ring, seqno)
 );
 
 DEFINE_EVENT(i915_gem_request, i915_gem_request_wait_end,
-
-	    TP_PROTO(struct drm_device *dev, u32 seqno),
-
-	    TP_ARGS(dev, seqno)
+	    TP_PROTO(struct intel_ring_buffer *ring, u32 seqno),
+	    TP_ARGS(ring, seqno)
 );
 
 DECLARE_EVENT_CLASS(i915_ring,
-
-	    TP_PROTO(struct drm_device *dev),
-
-	    TP_ARGS(dev),
+	    TP_PROTO(struct intel_ring_buffer *ring),
+	    TP_ARGS(ring),
 
 	    TP_STRUCT__entry(
 			     __field(u32, dev)
+			     __field(u32, ring)
 			     ),
 
 	    TP_fast_assign(
-			   __entry->dev = dev->primary->index;
+			   __entry->dev = ring->dev->primary->index;
+			   __entry->ring = ring->id;
 			   ),
 
-	    TP_printk("dev=%u", __entry->dev)
+	    TP_printk("dev=%u, ring=%u", __entry->dev, __entry->ring)
 );
 
 DEFINE_EVENT(i915_ring, i915_ring_wait_begin,
-
-	    TP_PROTO(struct drm_device *dev),
-
-	    TP_ARGS(dev)
+	    TP_PROTO(struct intel_ring_buffer *ring),
+	    TP_ARGS(ring)
 );
 
 DEFINE_EVENT(i915_ring, i915_ring_wait_end,
-
-	    TP_PROTO(struct drm_device *dev),
-
-	    TP_ARGS(dev)
+	    TP_PROTO(struct intel_ring_buffer *ring),
+	    TP_ARGS(ring)
 );
 
 TRACE_EVENT(i915_flip_request,
@@ -281,26 +385,29 @@
 );
 
 TRACE_EVENT(i915_reg_rw,
-           TP_PROTO(int cmd, uint32_t reg, uint64_t val, int len),
+           TP_PROTO(bool write, u32 reg, u64 val, int len),
 
-           TP_ARGS(cmd, reg, val, len),
+           TP_ARGS(write, reg, val, len),
 
            TP_STRUCT__entry(
-                   __field(int, cmd)
-                   __field(uint32_t, reg)
-                   __field(uint64_t, val)
-                   __field(int, len)
+                   __field(u64, val)
+                   __field(u32, reg)
+                   __field(u16, write)
+                   __field(u16, len)
                    ),
 
            TP_fast_assign(
-                   __entry->cmd = cmd;
+                   __entry->val = (u64)val;
                    __entry->reg = reg;
-                   __entry->val = (uint64_t)val;
+                   __entry->write = write;
                    __entry->len = len;
                    ),
 
-           TP_printk("cmd=%c, reg=0x%x, val=0x%llx, len=%d",
-                     __entry->cmd, __entry->reg, __entry->val, __entry->len)
+           TP_printk("%s reg=0x%x, len=%d, val=(0x%x, 0x%x)",
+                     __entry->write ? "write" : "read",
+		     __entry->reg, __entry->len,
+		     (u32)(__entry->val & 0xffffffff),
+		     (u32)(__entry->val >> 32))
 );
 
 #endif /* _I915_TRACE_H_ */
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index 0b44956..fb5b4d4 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -226,29 +226,49 @@
 parse_sdvo_panel_data(struct drm_i915_private *dev_priv,
 		      struct bdb_header *bdb)
 {
-	struct bdb_sdvo_lvds_options *sdvo_lvds_options;
 	struct lvds_dvo_timing *dvo_timing;
 	struct drm_display_mode *panel_fixed_mode;
+	int index;
 
-	sdvo_lvds_options = find_section(bdb, BDB_SDVO_LVDS_OPTIONS);
-	if (!sdvo_lvds_options)
-		return;
+	index = i915_vbt_sdvo_panel_type;
+	if (index == -1) {
+		struct bdb_sdvo_lvds_options *sdvo_lvds_options;
+
+		sdvo_lvds_options = find_section(bdb, BDB_SDVO_LVDS_OPTIONS);
+		if (!sdvo_lvds_options)
+			return;
+
+		index = sdvo_lvds_options->panel_type;
+	}
 
 	dvo_timing = find_section(bdb, BDB_SDVO_PANEL_DTDS);
 	if (!dvo_timing)
 		return;
 
 	panel_fixed_mode = kzalloc(sizeof(*panel_fixed_mode), GFP_KERNEL);
-
 	if (!panel_fixed_mode)
 		return;
 
-	fill_detail_timing_data(panel_fixed_mode,
-			dvo_timing + sdvo_lvds_options->panel_type);
+	fill_detail_timing_data(panel_fixed_mode, dvo_timing + index);
 
 	dev_priv->sdvo_lvds_vbt_mode = panel_fixed_mode;
 
-	return;
+	DRM_DEBUG_KMS("Found SDVO panel mode in BIOS VBT tables:\n");
+	drm_mode_debug_printmodeline(panel_fixed_mode);
+}
+
+static int intel_bios_ssc_frequency(struct drm_device *dev,
+				    bool alternate)
+{
+	switch (INTEL_INFO(dev)->gen) {
+	case 2:
+		return alternate ? 66 : 48;
+	case 3:
+	case 4:
+		return alternate ? 100 : 96;
+	default:
+		return alternate ? 100 : 120;
+	}
 }
 
 static void
@@ -263,13 +283,8 @@
 		dev_priv->int_tv_support = general->int_tv_support;
 		dev_priv->int_crt_support = general->int_crt_support;
 		dev_priv->lvds_use_ssc = general->enable_ssc;
-
-		if (IS_I85X(dev))
-			dev_priv->lvds_ssc_freq = general->ssc_freq ? 66 : 48;
-		else if (IS_GEN5(dev) || IS_GEN6(dev))
-			dev_priv->lvds_ssc_freq = general->ssc_freq ? 100 : 120;
-		else
-			dev_priv->lvds_ssc_freq = general->ssc_freq ? 100 : 96;
+		dev_priv->lvds_ssc_freq =
+			intel_bios_ssc_frequency(dev, general->ssc_freq);
 	}
 }
 
@@ -553,6 +568,8 @@
 static void
 init_vbt_defaults(struct drm_i915_private *dev_priv)
 {
+	struct drm_device *dev = dev_priv->dev;
+
 	dev_priv->crt_ddc_pin = GMBUS_PORT_VGADDC;
 
 	/* LFP panel data */
@@ -565,7 +582,11 @@
 	/* general features */
 	dev_priv->int_tv_support = 1;
 	dev_priv->int_crt_support = 1;
-	dev_priv->lvds_use_ssc = 0;
+
+	/* Default to using SSC */
+	dev_priv->lvds_use_ssc = 1;
+	dev_priv->lvds_ssc_freq = intel_bios_ssc_frequency(dev, 1);
+	DRM_DEBUG("Set default to SSC at %dMHz\n", dev_priv->lvds_ssc_freq);
 
 	/* eDP data */
 	dev_priv->edp.bpp = 18;
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index 8a77ff4..8342259 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -129,10 +129,7 @@
 	u32 adpa, dpll_md;
 	u32 adpa_reg;
 
-	if (intel_crtc->pipe == 0)
-		dpll_md_reg = DPLL_A_MD;
-	else
-		dpll_md_reg = DPLL_B_MD;
+	dpll_md_reg = DPLL_MD(intel_crtc->pipe);
 
 	if (HAS_PCH_SPLIT(dev))
 		adpa_reg = PCH_ADPA;
@@ -160,17 +157,16 @@
 			adpa |= PORT_TRANS_A_SEL_CPT;
 		else
 			adpa |= ADPA_PIPE_A_SELECT;
-		if (!HAS_PCH_SPLIT(dev))
-			I915_WRITE(BCLRPAT_A, 0);
 	} else {
 		if (HAS_PCH_CPT(dev))
 			adpa |= PORT_TRANS_B_SEL_CPT;
 		else
 			adpa |= ADPA_PIPE_B_SELECT;
-		if (!HAS_PCH_SPLIT(dev))
-			I915_WRITE(BCLRPAT_B, 0);
 	}
 
+	if (!HAS_PCH_SPLIT(dev))
+		I915_WRITE(BCLRPAT(intel_crtc->pipe), 0);
+
 	I915_WRITE(adpa_reg, adpa);
 }
 
@@ -353,21 +349,12 @@
 
 	DRM_DEBUG_KMS("starting load-detect on CRT\n");
 
-	if (pipe == 0) {
-		bclrpat_reg = BCLRPAT_A;
-		vtotal_reg = VTOTAL_A;
-		vblank_reg = VBLANK_A;
-		vsync_reg = VSYNC_A;
-		pipeconf_reg = PIPEACONF;
-		pipe_dsl_reg = PIPEADSL;
-	} else {
-		bclrpat_reg = BCLRPAT_B;
-		vtotal_reg = VTOTAL_B;
-		vblank_reg = VBLANK_B;
-		vsync_reg = VSYNC_B;
-		pipeconf_reg = PIPEBCONF;
-		pipe_dsl_reg = PIPEBDSL;
-	}
+	bclrpat_reg = BCLRPAT(pipe);
+	vtotal_reg = VTOTAL(pipe);
+	vblank_reg = VBLANK(pipe);
+	vsync_reg = VSYNC(pipe);
+	pipeconf_reg = PIPECONF(pipe);
+	pipe_dsl_reg = PIPEDSL(pipe);
 
 	save_bclrpat = I915_READ(bclrpat_reg);
 	save_vtotal = I915_READ(vtotal_reg);
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 7e42aa5..3106c0d 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -989,7 +989,7 @@
 void intel_wait_for_vblank(struct drm_device *dev, int pipe)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	int pipestat_reg = (pipe == 0 ? PIPEASTAT : PIPEBSTAT);
+	int pipestat_reg = PIPESTAT(pipe);
 
 	/* Clear existing vblank status. Note this will clear any other
 	 * sticky status fields as well.
@@ -1058,6 +1058,612 @@
 	}
 }
 
+static const char *state_string(bool enabled)
+{
+	return enabled ? "on" : "off";
+}
+
+/* Only for pre-ILK configs */
+static void assert_pll(struct drm_i915_private *dev_priv,
+		       enum pipe pipe, bool state)
+{
+	int reg;
+	u32 val;
+	bool cur_state;
+
+	reg = DPLL(pipe);
+	val = I915_READ(reg);
+	cur_state = !!(val & DPLL_VCO_ENABLE);
+	WARN(cur_state != state,
+	     "PLL state assertion failure (expected %s, current %s)\n",
+	     state_string(state), state_string(cur_state));
+}
+#define assert_pll_enabled(d, p) assert_pll(d, p, true)
+#define assert_pll_disabled(d, p) assert_pll(d, p, false)
+
+/* For ILK+ */
+static void assert_pch_pll(struct drm_i915_private *dev_priv,
+			   enum pipe pipe, bool state)
+{
+	int reg;
+	u32 val;
+	bool cur_state;
+
+	reg = PCH_DPLL(pipe);
+	val = I915_READ(reg);
+	cur_state = !!(val & DPLL_VCO_ENABLE);
+	WARN(cur_state != state,
+	     "PCH PLL state assertion failure (expected %s, current %s)\n",
+	     state_string(state), state_string(cur_state));
+}
+#define assert_pch_pll_enabled(d, p) assert_pch_pll(d, p, true)
+#define assert_pch_pll_disabled(d, p) assert_pch_pll(d, p, false)
+
+static void assert_fdi_tx(struct drm_i915_private *dev_priv,
+			  enum pipe pipe, bool state)
+{
+	int reg;
+	u32 val;
+	bool cur_state;
+
+	reg = FDI_TX_CTL(pipe);
+	val = I915_READ(reg);
+	cur_state = !!(val & FDI_TX_ENABLE);
+	WARN(cur_state != state,
+	     "FDI TX state assertion failure (expected %s, current %s)\n",
+	     state_string(state), state_string(cur_state));
+}
+#define assert_fdi_tx_enabled(d, p) assert_fdi_tx(d, p, true)
+#define assert_fdi_tx_disabled(d, p) assert_fdi_tx(d, p, false)
+
+static void assert_fdi_rx(struct drm_i915_private *dev_priv,
+			  enum pipe pipe, bool state)
+{
+	int reg;
+	u32 val;
+	bool cur_state;
+
+	reg = FDI_RX_CTL(pipe);
+	val = I915_READ(reg);
+	cur_state = !!(val & FDI_RX_ENABLE);
+	WARN(cur_state != state,
+	     "FDI RX state assertion failure (expected %s, current %s)\n",
+	     state_string(state), state_string(cur_state));
+}
+#define assert_fdi_rx_enabled(d, p) assert_fdi_rx(d, p, true)
+#define assert_fdi_rx_disabled(d, p) assert_fdi_rx(d, p, false)
+
+static void assert_fdi_tx_pll_enabled(struct drm_i915_private *dev_priv,
+				      enum pipe pipe)
+{
+	int reg;
+	u32 val;
+
+	/* ILK FDI PLL is always enabled */
+	if (dev_priv->info->gen == 5)
+		return;
+
+	reg = FDI_TX_CTL(pipe);
+	val = I915_READ(reg);
+	WARN(!(val & FDI_TX_PLL_ENABLE), "FDI TX PLL assertion failure, should be active but is disabled\n");
+}
+
+static void assert_fdi_rx_pll_enabled(struct drm_i915_private *dev_priv,
+				      enum pipe pipe)
+{
+	int reg;
+	u32 val;
+
+	reg = FDI_RX_CTL(pipe);
+	val = I915_READ(reg);
+	WARN(!(val & FDI_RX_PLL_ENABLE), "FDI RX PLL assertion failure, should be active but is disabled\n");
+}
+
+static void assert_panel_unlocked(struct drm_i915_private *dev_priv,
+				  enum pipe pipe)
+{
+	int pp_reg, lvds_reg;
+	u32 val;
+	enum pipe panel_pipe = PIPE_A;
+	bool locked = locked;
+
+	if (HAS_PCH_SPLIT(dev_priv->dev)) {
+		pp_reg = PCH_PP_CONTROL;
+		lvds_reg = PCH_LVDS;
+	} else {
+		pp_reg = PP_CONTROL;
+		lvds_reg = LVDS;
+	}
+
+	val = I915_READ(pp_reg);
+	if (!(val & PANEL_POWER_ON) ||
+	    ((val & PANEL_UNLOCK_REGS) == PANEL_UNLOCK_REGS))
+		locked = false;
+
+	if (I915_READ(lvds_reg) & LVDS_PIPEB_SELECT)
+		panel_pipe = PIPE_B;
+
+	WARN(panel_pipe == pipe && locked,
+	     "panel assertion failure, pipe %c regs locked\n",
+	     pipe_name(pipe));
+}
+
+static void assert_pipe(struct drm_i915_private *dev_priv,
+			enum pipe pipe, bool state)
+{
+	int reg;
+	u32 val;
+	bool cur_state;
+
+	reg = PIPECONF(pipe);
+	val = I915_READ(reg);
+	cur_state = !!(val & PIPECONF_ENABLE);
+	WARN(cur_state != state,
+	     "pipe %c assertion failure (expected %s, current %s)\n",
+	     pipe_name(pipe), state_string(state), state_string(cur_state));
+}
+#define assert_pipe_enabled(d, p) assert_pipe(d, p, true)
+#define assert_pipe_disabled(d, p) assert_pipe(d, p, false)
+
+static void assert_plane_enabled(struct drm_i915_private *dev_priv,
+				 enum plane plane)
+{
+	int reg;
+	u32 val;
+
+	reg = DSPCNTR(plane);
+	val = I915_READ(reg);
+	WARN(!(val & DISPLAY_PLANE_ENABLE),
+	     "plane %c assertion failure, should be active but is disabled\n",
+	     plane_name(plane));
+}
+
+static void assert_planes_disabled(struct drm_i915_private *dev_priv,
+				   enum pipe pipe)
+{
+	int reg, i;
+	u32 val;
+	int cur_pipe;
+
+	/* Planes are fixed to pipes on ILK+ */
+	if (HAS_PCH_SPLIT(dev_priv->dev))
+		return;
+
+	/* Need to check both planes against the pipe */
+	for (i = 0; i < 2; i++) {
+		reg = DSPCNTR(i);
+		val = I915_READ(reg);
+		cur_pipe = (val & DISPPLANE_SEL_PIPE_MASK) >>
+			DISPPLANE_SEL_PIPE_SHIFT;
+		WARN((val & DISPLAY_PLANE_ENABLE) && pipe == cur_pipe,
+		     "plane %c assertion failure, should be off on pipe %c but is still active\n",
+		     plane_name(i), pipe_name(pipe));
+	}
+}
+
+static void assert_pch_refclk_enabled(struct drm_i915_private *dev_priv)
+{
+	u32 val;
+	bool enabled;
+
+	val = I915_READ(PCH_DREF_CONTROL);
+	enabled = !!(val & (DREF_SSC_SOURCE_MASK | DREF_NONSPREAD_SOURCE_MASK |
+			    DREF_SUPERSPREAD_SOURCE_MASK));
+	WARN(!enabled, "PCH refclk assertion failure, should be active but is disabled\n");
+}
+
+static void assert_transcoder_disabled(struct drm_i915_private *dev_priv,
+				       enum pipe pipe)
+{
+	int reg;
+	u32 val;
+	bool enabled;
+
+	reg = TRANSCONF(pipe);
+	val = I915_READ(reg);
+	enabled = !!(val & TRANS_ENABLE);
+	WARN(enabled,
+	     "transcoder assertion failed, should be off on pipe %c but is still active\n",
+	     pipe_name(pipe));
+}
+
+static void assert_pch_dp_disabled(struct drm_i915_private *dev_priv,
+				   enum pipe pipe, int reg)
+{
+	u32 val = I915_READ(reg);
+	WARN(DP_PIPE_ENABLED(val, pipe),
+	     "PCH DP (0x%08x) enabled on transcoder %c, should be disabled\n",
+	     reg, pipe_name(pipe));
+}
+
+static void assert_pch_hdmi_disabled(struct drm_i915_private *dev_priv,
+				     enum pipe pipe, int reg)
+{
+	u32 val = I915_READ(reg);
+	WARN(HDMI_PIPE_ENABLED(val, pipe),
+	     "PCH DP (0x%08x) enabled on transcoder %c, should be disabled\n",
+	     reg, pipe_name(pipe));
+}
+
+static void assert_pch_ports_disabled(struct drm_i915_private *dev_priv,
+				      enum pipe pipe)
+{
+	int reg;
+	u32 val;
+
+	assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_B);
+	assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_C);
+	assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_D);
+
+	reg = PCH_ADPA;
+	val = I915_READ(reg);
+	WARN(ADPA_PIPE_ENABLED(val, pipe),
+	     "PCH VGA enabled on transcoder %c, should be disabled\n",
+	     pipe_name(pipe));
+
+	reg = PCH_LVDS;
+	val = I915_READ(reg);
+	WARN(LVDS_PIPE_ENABLED(val, pipe),
+	     "PCH LVDS enabled on transcoder %c, should be disabled\n",
+	     pipe_name(pipe));
+
+	assert_pch_hdmi_disabled(dev_priv, pipe, HDMIB);
+	assert_pch_hdmi_disabled(dev_priv, pipe, HDMIC);
+	assert_pch_hdmi_disabled(dev_priv, pipe, HDMID);
+}
+
+/**
+ * intel_enable_pll - enable a PLL
+ * @dev_priv: i915 private structure
+ * @pipe: pipe PLL to enable
+ *
+ * Enable @pipe's PLL so we can start pumping pixels from a plane.  Check to
+ * make sure the PLL reg is writable first though, since the panel write
+ * protect mechanism may be enabled.
+ *
+ * Note!  This is for pre-ILK only.
+ */
+static void intel_enable_pll(struct drm_i915_private *dev_priv, enum pipe pipe)
+{
+	int reg;
+	u32 val;
+
+	/* No really, not for ILK+ */
+	BUG_ON(dev_priv->info->gen >= 5);
+
+	/* PLL is protected by panel, make sure we can write it */
+	if (IS_MOBILE(dev_priv->dev) && !IS_I830(dev_priv->dev))
+		assert_panel_unlocked(dev_priv, pipe);
+
+	reg = DPLL(pipe);
+	val = I915_READ(reg);
+	val |= DPLL_VCO_ENABLE;
+
+	/* We do this three times for luck */
+	I915_WRITE(reg, val);
+	POSTING_READ(reg);
+	udelay(150); /* wait for warmup */
+	I915_WRITE(reg, val);
+	POSTING_READ(reg);
+	udelay(150); /* wait for warmup */
+	I915_WRITE(reg, val);
+	POSTING_READ(reg);
+	udelay(150); /* wait for warmup */
+}
+
+/**
+ * intel_disable_pll - disable a PLL
+ * @dev_priv: i915 private structure
+ * @pipe: pipe PLL to disable
+ *
+ * Disable the PLL for @pipe, making sure the pipe is off first.
+ *
+ * Note!  This is for pre-ILK only.
+ */
+static void intel_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe)
+{
+	int reg;
+	u32 val;
+
+	/* Don't disable pipe A or pipe A PLLs if needed */
+	if (pipe == PIPE_A && (dev_priv->quirks & QUIRK_PIPEA_FORCE))
+		return;
+
+	/* Make sure the pipe isn't still relying on us */
+	assert_pipe_disabled(dev_priv, pipe);
+
+	reg = DPLL(pipe);
+	val = I915_READ(reg);
+	val &= ~DPLL_VCO_ENABLE;
+	I915_WRITE(reg, val);
+	POSTING_READ(reg);
+}
+
+/**
+ * intel_enable_pch_pll - enable PCH PLL
+ * @dev_priv: i915 private structure
+ * @pipe: pipe PLL to enable
+ *
+ * The PCH PLL needs to be enabled before the PCH transcoder, since it
+ * drives the transcoder clock.
+ */
+static void intel_enable_pch_pll(struct drm_i915_private *dev_priv,
+				 enum pipe pipe)
+{
+	int reg;
+	u32 val;
+
+	/* PCH only available on ILK+ */
+	BUG_ON(dev_priv->info->gen < 5);
+
+	/* PCH refclock must be enabled first */
+	assert_pch_refclk_enabled(dev_priv);
+
+	reg = PCH_DPLL(pipe);
+	val = I915_READ(reg);
+	val |= DPLL_VCO_ENABLE;
+	I915_WRITE(reg, val);
+	POSTING_READ(reg);
+	udelay(200);
+}
+
+static void intel_disable_pch_pll(struct drm_i915_private *dev_priv,
+				  enum pipe pipe)
+{
+	int reg;
+	u32 val;
+
+	/* PCH only available on ILK+ */
+	BUG_ON(dev_priv->info->gen < 5);
+
+	/* Make sure transcoder isn't still depending on us */
+	assert_transcoder_disabled(dev_priv, pipe);
+
+	reg = PCH_DPLL(pipe);
+	val = I915_READ(reg);
+	val &= ~DPLL_VCO_ENABLE;
+	I915_WRITE(reg, val);
+	POSTING_READ(reg);
+	udelay(200);
+}
+
+static void intel_enable_transcoder(struct drm_i915_private *dev_priv,
+				    enum pipe pipe)
+{
+	int reg;
+	u32 val;
+
+	/* PCH only available on ILK+ */
+	BUG_ON(dev_priv->info->gen < 5);
+
+	/* Make sure PCH DPLL is enabled */
+	assert_pch_pll_enabled(dev_priv, pipe);
+
+	/* FDI must be feeding us bits for PCH ports */
+	assert_fdi_tx_enabled(dev_priv, pipe);
+	assert_fdi_rx_enabled(dev_priv, pipe);
+
+	reg = TRANSCONF(pipe);
+	val = I915_READ(reg);
+	/*
+	 * make the BPC in transcoder be consistent with
+	 * that in pipeconf reg.
+	 */
+	val &= ~PIPE_BPC_MASK;
+	val |= I915_READ(PIPECONF(pipe)) & PIPE_BPC_MASK;
+	I915_WRITE(reg, val | TRANS_ENABLE);
+	if (wait_for(I915_READ(reg) & TRANS_STATE_ENABLE, 100))
+		DRM_ERROR("failed to enable transcoder %d\n", pipe);
+}
+
+static void intel_disable_transcoder(struct drm_i915_private *dev_priv,
+				     enum pipe pipe)
+{
+	int reg;
+	u32 val;
+
+	/* FDI relies on the transcoder */
+	assert_fdi_tx_disabled(dev_priv, pipe);
+	assert_fdi_rx_disabled(dev_priv, pipe);
+
+	/* Ports must be off as well */
+	assert_pch_ports_disabled(dev_priv, pipe);
+
+	reg = TRANSCONF(pipe);
+	val = I915_READ(reg);
+	val &= ~TRANS_ENABLE;
+	I915_WRITE(reg, val);
+	/* wait for PCH transcoder off, transcoder state */
+	if (wait_for((I915_READ(reg) & TRANS_STATE_ENABLE) == 0, 50))
+		DRM_ERROR("failed to disable transcoder\n");
+}
+
+/**
+ * intel_enable_pipe - enable a pipe, asserting requirements
+ * @dev_priv: i915 private structure
+ * @pipe: pipe to enable
+ * @pch_port: on ILK+, is this pipe driving a PCH port or not
+ *
+ * Enable @pipe, making sure that various hardware specific requirements
+ * are met, if applicable, e.g. PLL enabled, LVDS pairs enabled, etc.
+ *
+ * @pipe should be %PIPE_A or %PIPE_B.
+ *
+ * Will wait until the pipe is actually running (i.e. first vblank) before
+ * returning.
+ */
+static void intel_enable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe,
+			      bool pch_port)
+{
+	int reg;
+	u32 val;
+
+	/*
+	 * A pipe without a PLL won't actually be able to drive bits from
+	 * a plane.  On ILK+ the pipe PLLs are integrated, so we don't
+	 * need the check.
+	 */
+	if (!HAS_PCH_SPLIT(dev_priv->dev))
+		assert_pll_enabled(dev_priv, pipe);
+	else {
+		if (pch_port) {
+			/* if driving the PCH, we need FDI enabled */
+			assert_fdi_rx_pll_enabled(dev_priv, pipe);
+			assert_fdi_tx_pll_enabled(dev_priv, pipe);
+		}
+		/* FIXME: assert CPU port conditions for SNB+ */
+	}
+
+	reg = PIPECONF(pipe);
+	val = I915_READ(reg);
+	val |= PIPECONF_ENABLE;
+	I915_WRITE(reg, val);
+	POSTING_READ(reg);
+	intel_wait_for_vblank(dev_priv->dev, pipe);
+}
+
+/**
+ * intel_disable_pipe - disable a pipe, asserting requirements
+ * @dev_priv: i915 private structure
+ * @pipe: pipe to disable
+ *
+ * Disable @pipe, making sure that various hardware specific requirements
+ * are met, if applicable, e.g. plane disabled, panel fitter off, etc.
+ *
+ * @pipe should be %PIPE_A or %PIPE_B.
+ *
+ * Will wait until the pipe has shut down before returning.
+ */
+static void intel_disable_pipe(struct drm_i915_private *dev_priv,
+			       enum pipe pipe)
+{
+	int reg;
+	u32 val;
+
+	/*
+	 * Make sure planes won't keep trying to pump pixels to us,
+	 * or we might hang the display.
+	 */
+	assert_planes_disabled(dev_priv, pipe);
+
+	/* Don't disable pipe A or pipe A PLLs if needed */
+	if (pipe == PIPE_A && (dev_priv->quirks & QUIRK_PIPEA_FORCE))
+		return;
+
+	reg = PIPECONF(pipe);
+	val = I915_READ(reg);
+	val &= ~PIPECONF_ENABLE;
+	I915_WRITE(reg, val);
+	POSTING_READ(reg);
+	intel_wait_for_pipe_off(dev_priv->dev, pipe);
+}
+
+/**
+ * intel_enable_plane - enable a display plane on a given pipe
+ * @dev_priv: i915 private structure
+ * @plane: plane to enable
+ * @pipe: pipe being fed
+ *
+ * Enable @plane on @pipe, making sure that @pipe is running first.
+ */
+static void intel_enable_plane(struct drm_i915_private *dev_priv,
+			       enum plane plane, enum pipe pipe)
+{
+	int reg;
+	u32 val;
+
+	/* If the pipe isn't enabled, we can't pump pixels and may hang */
+	assert_pipe_enabled(dev_priv, pipe);
+
+	reg = DSPCNTR(plane);
+	val = I915_READ(reg);
+	val |= DISPLAY_PLANE_ENABLE;
+	I915_WRITE(reg, val);
+	POSTING_READ(reg);
+	intel_wait_for_vblank(dev_priv->dev, pipe);
+}
+
+/*
+ * Plane regs are double buffered, going from enabled->disabled needs a
+ * trigger in order to latch.  The display address reg provides this.
+ */
+static void intel_flush_display_plane(struct drm_i915_private *dev_priv,
+				      enum plane plane)
+{
+	u32 reg = DSPADDR(plane);
+	I915_WRITE(reg, I915_READ(reg));
+}
+
+/**
+ * intel_disable_plane - disable a display plane
+ * @dev_priv: i915 private structure
+ * @plane: plane to disable
+ * @pipe: pipe consuming the data
+ *
+ * Disable @plane; should be an independent operation.
+ */
+static void intel_disable_plane(struct drm_i915_private *dev_priv,
+				enum plane plane, enum pipe pipe)
+{
+	int reg;
+	u32 val;
+
+	reg = DSPCNTR(plane);
+	val = I915_READ(reg);
+	val &= ~DISPLAY_PLANE_ENABLE;
+	I915_WRITE(reg, val);
+	POSTING_READ(reg);
+	intel_flush_display_plane(dev_priv, plane);
+	intel_wait_for_vblank(dev_priv->dev, pipe);
+}
+
+static void disable_pch_dp(struct drm_i915_private *dev_priv,
+			   enum pipe pipe, int reg)
+{
+	u32 val = I915_READ(reg);
+	if (DP_PIPE_ENABLED(val, pipe))
+		I915_WRITE(reg, val & ~DP_PORT_EN);
+}
+
+static void disable_pch_hdmi(struct drm_i915_private *dev_priv,
+			     enum pipe pipe, int reg)
+{
+	u32 val = I915_READ(reg);
+	if (HDMI_PIPE_ENABLED(val, pipe))
+		I915_WRITE(reg, val & ~PORT_ENABLE);
+}
+
+/* Disable any ports connected to this transcoder */
+static void intel_disable_pch_ports(struct drm_i915_private *dev_priv,
+				    enum pipe pipe)
+{
+	u32 reg, val;
+
+	val = I915_READ(PCH_PP_CONTROL);
+	I915_WRITE(PCH_PP_CONTROL, val | PANEL_UNLOCK_REGS);
+
+	disable_pch_dp(dev_priv, pipe, PCH_DP_B);
+	disable_pch_dp(dev_priv, pipe, PCH_DP_C);
+	disable_pch_dp(dev_priv, pipe, PCH_DP_D);
+
+	reg = PCH_ADPA;
+	val = I915_READ(reg);
+	if (ADPA_PIPE_ENABLED(val, pipe))
+		I915_WRITE(reg, val & ~ADPA_DAC_ENABLE);
+
+	reg = PCH_LVDS;
+	val = I915_READ(reg);
+	if (LVDS_PIPE_ENABLED(val, pipe)) {
+		I915_WRITE(reg, val & ~LVDS_PORT_EN);
+		POSTING_READ(reg);
+		udelay(100);
+	}
+
+	disable_pch_hdmi(dev_priv, pipe, HDMIB);
+	disable_pch_hdmi(dev_priv, pipe, HDMIC);
+	disable_pch_hdmi(dev_priv, pipe, HDMID);
+}
+
 static void i8xx_enable_fbc(struct drm_crtc *crtc, unsigned long interval)
 {
 	struct drm_device *dev = crtc->dev;
@@ -1219,7 +1825,7 @@
 	u32 blt_ecoskpd;
 
 	/* Make sure blitter notifies FBC of writes */
-	__gen6_force_wake_get(dev_priv);
+	__gen6_gt_force_wake_get(dev_priv);
 	blt_ecoskpd = I915_READ(GEN6_BLITTER_ECOSKPD);
 	blt_ecoskpd |= GEN6_BLITTER_FBC_NOTIFY <<
 		GEN6_BLITTER_LOCK_SHIFT;
@@ -1230,7 +1836,7 @@
 			 GEN6_BLITTER_LOCK_SHIFT);
 	I915_WRITE(GEN6_BLITTER_ECOSKPD, blt_ecoskpd);
 	POSTING_READ(GEN6_BLITTER_ECOSKPD);
-	__gen6_force_wake_put(dev_priv);
+	__gen6_gt_force_wake_put(dev_priv);
 }
 
 static void ironlake_enable_fbc(struct drm_crtc *crtc, unsigned long interval)
@@ -1390,7 +1996,7 @@
 	 *   - going to an unsupported config (interlace, pixel multiply, etc.)
 	 */
 	list_for_each_entry(tmp_crtc, &dev->mode_config.crtc_list, head) {
-		if (tmp_crtc->enabled) {
+		if (tmp_crtc->enabled && tmp_crtc->fb) {
 			if (crtc) {
 				DRM_DEBUG_KMS("more than one pipe active, disabling compression\n");
 				dev_priv->no_fbc_reason = FBC_MULTIPLE_PIPES;
@@ -1461,6 +2067,7 @@
 			   struct drm_i915_gem_object *obj,
 			   struct intel_ring_buffer *pipelined)
 {
+	struct drm_i915_private *dev_priv = dev->dev_private;
 	u32 alignment;
 	int ret;
 
@@ -1485,9 +2092,10 @@
 		BUG();
 	}
 
+	dev_priv->mm.interruptible = false;
 	ret = i915_gem_object_pin(obj, alignment, true);
 	if (ret)
-		return ret;
+		goto err_interruptible;
 
 	ret = i915_gem_object_set_to_display_plane(obj, pipelined);
 	if (ret)
@@ -1499,15 +2107,18 @@
 	 * a fence as the cost is not that onerous.
 	 */
 	if (obj->tiling_mode != I915_TILING_NONE) {
-		ret = i915_gem_object_get_fence(obj, pipelined, false);
+		ret = i915_gem_object_get_fence(obj, pipelined);
 		if (ret)
 			goto err_unpin;
 	}
 
+	dev_priv->mm.interruptible = true;
 	return 0;
 
 err_unpin:
 	i915_gem_object_unpin(obj);
+err_interruptible:
+	dev_priv->mm.interruptible = true;
 	return ret;
 }
 
@@ -1630,19 +2241,19 @@
 		struct drm_i915_gem_object *obj = to_intel_framebuffer(old_fb)->obj;
 
 		wait_event(dev_priv->pending_flip_queue,
+			   atomic_read(&dev_priv->mm.wedged) ||
 			   atomic_read(&obj->pending_flip) == 0);
 
 		/* Big Hammer, we also need to ensure that any pending
 		 * MI_WAIT_FOR_EVENT inside a user batch buffer on the
 		 * current scanout is retired before unpinning the old
 		 * framebuffer.
+		 *
+		 * This should only fail upon a hung GPU, in which case we
+		 * can safely continue.
 		 */
-		ret = i915_gem_object_flush_gpu(obj, false);
-		if (ret) {
-			i915_gem_object_unpin(to_intel_framebuffer(crtc->fb)->obj);
-			mutex_unlock(&dev->struct_mutex);
-			return ret;
-		}
+		ret = i915_gem_object_flush_gpu(obj);
+		(void) ret;
 	}
 
 	ret = intel_pipe_set_base_atomic(crtc, crtc->fb, x, y,
@@ -1753,8 +2364,13 @@
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 	int pipe = intel_crtc->pipe;
+	int plane = intel_crtc->plane;
 	u32 reg, temp, tries;
 
+	/* FDI needs bits from pipe & plane first */
+	assert_pipe_enabled(dev_priv, pipe);
+	assert_plane_enabled(dev_priv, plane);
+
 	/* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit
 	   for train result */
 	reg = FDI_RX_IMR(pipe);
@@ -1784,7 +2400,11 @@
 	udelay(150);
 
 	/* Ironlake workaround, enable clock pointer after FDI enable*/
-	I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_ENABLE);
+	if (HAS_PCH_IBX(dev)) {
+		I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR);
+		I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR |
+			   FDI_RX_PHASE_SYNC_POINTER_EN);
+	}
 
 	reg = FDI_RX_IIR(pipe);
 	for (tries = 0; tries < 5; tries++) {
@@ -1834,7 +2454,7 @@
 
 }
 
-static const int const snb_b_fdi_train_param [] = {
+static const int snb_b_fdi_train_param [] = {
 	FDI_LINK_TRAIN_400MV_0DB_SNB_B,
 	FDI_LINK_TRAIN_400MV_6DB_SNB_B,
 	FDI_LINK_TRAIN_600MV_3_5DB_SNB_B,
@@ -2003,12 +2623,60 @@
 	}
 }
 
-static void intel_flush_display_plane(struct drm_device *dev,
-				      int plane)
+static void ironlake_fdi_disable(struct drm_crtc *crtc)
 {
+	struct drm_device *dev = crtc->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	u32 reg = DSPADDR(plane);
-	I915_WRITE(reg, I915_READ(reg));
+	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+	int pipe = intel_crtc->pipe;
+	u32 reg, temp;
+
+	/* disable CPU FDI tx and PCH FDI rx */
+	reg = FDI_TX_CTL(pipe);
+	temp = I915_READ(reg);
+	I915_WRITE(reg, temp & ~FDI_TX_ENABLE);
+	POSTING_READ(reg);
+
+	reg = FDI_RX_CTL(pipe);
+	temp = I915_READ(reg);
+	temp &= ~(0x7 << 16);
+	temp |= (I915_READ(PIPECONF(pipe)) & PIPE_BPC_MASK) << 11;
+	I915_WRITE(reg, temp & ~FDI_RX_ENABLE);
+
+	POSTING_READ(reg);
+	udelay(100);
+
+	/* Ironlake workaround, disable clock pointer after downing FDI */
+	if (HAS_PCH_IBX(dev)) {
+		I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR);
+		I915_WRITE(FDI_RX_CHICKEN(pipe),
+			   I915_READ(FDI_RX_CHICKEN(pipe) &
+				     ~FDI_RX_PHASE_SYNC_POINTER_EN));
+	}
+
+	/* still set train pattern 1 */
+	reg = FDI_TX_CTL(pipe);
+	temp = I915_READ(reg);
+	temp &= ~FDI_LINK_TRAIN_NONE;
+	temp |= FDI_LINK_TRAIN_PATTERN_1;
+	I915_WRITE(reg, temp);
+
+	reg = FDI_RX_CTL(pipe);
+	temp = I915_READ(reg);
+	if (HAS_PCH_CPT(dev)) {
+		temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT;
+		temp |= FDI_LINK_TRAIN_PATTERN_1_CPT;
+	} else {
+		temp &= ~FDI_LINK_TRAIN_NONE;
+		temp |= FDI_LINK_TRAIN_PATTERN_1;
+	}
+	/* BPC in FDI rx is consistent with that in PIPECONF */
+	temp &= ~(0x07 << 16);
+	temp |= (I915_READ(PIPECONF(pipe)) & PIPE_BPC_MASK) << 11;
+	I915_WRITE(reg, temp);
+
+	POSTING_READ(reg);
+	udelay(100);
 }
 
 /*
@@ -2045,75 +2713,54 @@
 		   atomic_read(&obj->pending_flip) == 0);
 }
 
-static void ironlake_crtc_enable(struct drm_crtc *crtc)
+static bool intel_crtc_driving_pch(struct drm_crtc *crtc)
+{
+	struct drm_device *dev = crtc->dev;
+	struct drm_mode_config *mode_config = &dev->mode_config;
+	struct intel_encoder *encoder;
+
+	/*
+	 * If there's a non-PCH eDP on this crtc, it must be DP_A, and that
+	 * must be driven by its own crtc; no sharing is possible.
+	 */
+	list_for_each_entry(encoder, &mode_config->encoder_list, base.head) {
+		if (encoder->base.crtc != crtc)
+			continue;
+
+		switch (encoder->type) {
+		case INTEL_OUTPUT_EDP:
+			if (!intel_encoder_is_pch_edp(&encoder->base))
+				return false;
+			continue;
+		}
+	}
+
+	return true;
+}
+
+/*
+ * Enable PCH resources required for PCH ports:
+ *   - PCH PLLs
+ *   - FDI training & RX/TX
+ *   - update transcoder timings
+ *   - DP transcoding bits
+ *   - transcoder
+ */
+static void ironlake_pch_enable(struct drm_crtc *crtc)
 {
 	struct drm_device *dev = crtc->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 	int pipe = intel_crtc->pipe;
-	int plane = intel_crtc->plane;
 	u32 reg, temp;
 
-	if (intel_crtc->active)
-		return;
-
-	intel_crtc->active = true;
-	intel_update_watermarks(dev);
-
-	if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
-		temp = I915_READ(PCH_LVDS);
-		if ((temp & LVDS_PORT_EN) == 0)
-			I915_WRITE(PCH_LVDS, temp | LVDS_PORT_EN);
-	}
-
-	ironlake_fdi_enable(crtc);
-
-	/* Enable panel fitting for LVDS */
-	if (dev_priv->pch_pf_size &&
-	    (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) || HAS_eDP)) {
-		/* Force use of hard-coded filter coefficients
-		 * as some pre-programmed values are broken,
-		 * e.g. x201.
-		 */
-		I915_WRITE(pipe ? PFB_CTL_1 : PFA_CTL_1,
-			   PF_ENABLE | PF_FILTER_MED_3x3);
-		I915_WRITE(pipe ? PFB_WIN_POS : PFA_WIN_POS,
-			   dev_priv->pch_pf_pos);
-		I915_WRITE(pipe ? PFB_WIN_SZ : PFA_WIN_SZ,
-			   dev_priv->pch_pf_size);
-	}
-
-	/* Enable CPU pipe */
-	reg = PIPECONF(pipe);
-	temp = I915_READ(reg);
-	if ((temp & PIPECONF_ENABLE) == 0) {
-		I915_WRITE(reg, temp | PIPECONF_ENABLE);
-		POSTING_READ(reg);
-		intel_wait_for_vblank(dev, intel_crtc->pipe);
-	}
-
-	/* configure and enable CPU plane */
-	reg = DSPCNTR(plane);
-	temp = I915_READ(reg);
-	if ((temp & DISPLAY_PLANE_ENABLE) == 0) {
-		I915_WRITE(reg, temp | DISPLAY_PLANE_ENABLE);
-		intel_flush_display_plane(dev, plane);
-	}
-
 	/* For PCH output, training FDI link */
 	if (IS_GEN6(dev))
 		gen6_fdi_link_train(crtc);
 	else
 		ironlake_fdi_link_train(crtc);
 
-	/* enable PCH DPLL */
-	reg = PCH_DPLL(pipe);
-	temp = I915_READ(reg);
-	if ((temp & DPLL_VCO_ENABLE) == 0) {
-		I915_WRITE(reg, temp | DPLL_VCO_ENABLE);
-		POSTING_READ(reg);
-		udelay(200);
-	}
+	intel_enable_pch_pll(dev_priv, pipe);
 
 	if (HAS_PCH_CPT(dev)) {
 		/* Be sure PCH DPLL SEL is set */
@@ -2125,7 +2772,8 @@
 		I915_WRITE(PCH_DPLL_SEL, temp);
 	}
 
-	/* set transcoder timing */
+	/* set transcoder timing, panel must allow it */
+	assert_panel_unlocked(dev_priv, pipe);
 	I915_WRITE(TRANS_HTOTAL(pipe), I915_READ(HTOTAL(pipe)));
 	I915_WRITE(TRANS_HBLANK(pipe), I915_READ(HBLANK(pipe)));
 	I915_WRITE(TRANS_HSYNC(pipe),  I915_READ(HSYNC(pipe)));
@@ -2172,18 +2820,55 @@
 		I915_WRITE(reg, temp);
 	}
 
-	/* enable PCH transcoder */
-	reg = TRANSCONF(pipe);
-	temp = I915_READ(reg);
-	/*
-	 * make the BPC in transcoder be consistent with
-	 * that in pipeconf reg.
-	 */
-	temp &= ~PIPE_BPC_MASK;
-	temp |= I915_READ(PIPECONF(pipe)) & PIPE_BPC_MASK;
-	I915_WRITE(reg, temp | TRANS_ENABLE);
-	if (wait_for(I915_READ(reg) & TRANS_STATE_ENABLE, 100))
-		DRM_ERROR("failed to enable transcoder %d\n", pipe);
+	intel_enable_transcoder(dev_priv, pipe);
+}
+
+static void ironlake_crtc_enable(struct drm_crtc *crtc)
+{
+	struct drm_device *dev = crtc->dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+	int pipe = intel_crtc->pipe;
+	int plane = intel_crtc->plane;
+	u32 temp;
+	bool is_pch_port;
+
+	if (intel_crtc->active)
+		return;
+
+	intel_crtc->active = true;
+	intel_update_watermarks(dev);
+
+	if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
+		temp = I915_READ(PCH_LVDS);
+		if ((temp & LVDS_PORT_EN) == 0)
+			I915_WRITE(PCH_LVDS, temp | LVDS_PORT_EN);
+	}
+
+	is_pch_port = intel_crtc_driving_pch(crtc);
+
+	if (is_pch_port)
+		ironlake_fdi_enable(crtc);
+	else
+		ironlake_fdi_disable(crtc);
+
+	/* Enable panel fitting for LVDS */
+	if (dev_priv->pch_pf_size &&
+	    (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) || HAS_eDP)) {
+		/* Force use of hard-coded filter coefficients
+		 * as some pre-programmed values are broken,
+		 * e.g. x201.
+		 */
+		I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3);
+		I915_WRITE(PF_WIN_POS(pipe), dev_priv->pch_pf_pos);
+		I915_WRITE(PF_WIN_SZ(pipe), dev_priv->pch_pf_size);
+	}
+
+	intel_enable_pipe(dev_priv, pipe, is_pch_port);
+	intel_enable_plane(dev_priv, plane, pipe);
+
+	if (is_pch_port)
+		ironlake_pch_enable(crtc);
 
 	intel_crtc_load_lut(crtc);
 	intel_update_fbc(dev);
@@ -2206,116 +2891,58 @@
 	drm_vblank_off(dev, pipe);
 	intel_crtc_update_cursor(crtc, false);
 
-	/* Disable display plane */
-	reg = DSPCNTR(plane);
-	temp = I915_READ(reg);
-	if (temp & DISPLAY_PLANE_ENABLE) {
-		I915_WRITE(reg, temp & ~DISPLAY_PLANE_ENABLE);
-		intel_flush_display_plane(dev, plane);
-	}
+	intel_disable_plane(dev_priv, plane, pipe);
 
 	if (dev_priv->cfb_plane == plane &&
 	    dev_priv->display.disable_fbc)
 		dev_priv->display.disable_fbc(dev);
 
-	/* disable cpu pipe, disable after all planes disabled */
-	reg = PIPECONF(pipe);
-	temp = I915_READ(reg);
-	if (temp & PIPECONF_ENABLE) {
-		I915_WRITE(reg, temp & ~PIPECONF_ENABLE);
-		POSTING_READ(reg);
-		/* wait for cpu pipe off, pipe state */
-		intel_wait_for_pipe_off(dev, intel_crtc->pipe);
-	}
+	intel_disable_pipe(dev_priv, pipe);
 
 	/* Disable PF */
-	I915_WRITE(pipe ? PFB_CTL_1 : PFA_CTL_1, 0);
-	I915_WRITE(pipe ? PFB_WIN_SZ : PFA_WIN_SZ, 0);
+	I915_WRITE(PF_CTL(pipe), 0);
+	I915_WRITE(PF_WIN_SZ(pipe), 0);
 
-	/* disable CPU FDI tx and PCH FDI rx */
-	reg = FDI_TX_CTL(pipe);
-	temp = I915_READ(reg);
-	I915_WRITE(reg, temp & ~FDI_TX_ENABLE);
-	POSTING_READ(reg);
+	ironlake_fdi_disable(crtc);
 
-	reg = FDI_RX_CTL(pipe);
-	temp = I915_READ(reg);
-	temp &= ~(0x7 << 16);
-	temp |= (I915_READ(PIPECONF(pipe)) & PIPE_BPC_MASK) << 11;
-	I915_WRITE(reg, temp & ~FDI_RX_ENABLE);
+	/* This is a horrible layering violation; we should be doing this in
+	 * the connector/encoder ->prepare instead, but we don't always have
+	 * enough information there about the config to know whether it will
+	 * actually be necessary or just cause undesired flicker.
+	 */
+	intel_disable_pch_ports(dev_priv, pipe);
 
-	POSTING_READ(reg);
-	udelay(100);
-
-	/* Ironlake workaround, disable clock pointer after downing FDI */
-	if (HAS_PCH_IBX(dev))
-		I915_WRITE(FDI_RX_CHICKEN(pipe),
-			   I915_READ(FDI_RX_CHICKEN(pipe) &
-				     ~FDI_RX_PHASE_SYNC_POINTER_ENABLE));
-
-	/* still set train pattern 1 */
-	reg = FDI_TX_CTL(pipe);
-	temp = I915_READ(reg);
-	temp &= ~FDI_LINK_TRAIN_NONE;
-	temp |= FDI_LINK_TRAIN_PATTERN_1;
-	I915_WRITE(reg, temp);
-
-	reg = FDI_RX_CTL(pipe);
-	temp = I915_READ(reg);
-	if (HAS_PCH_CPT(dev)) {
-		temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT;
-		temp |= FDI_LINK_TRAIN_PATTERN_1_CPT;
-	} else {
-		temp &= ~FDI_LINK_TRAIN_NONE;
-		temp |= FDI_LINK_TRAIN_PATTERN_1;
-	}
-	/* BPC in FDI rx is consistent with that in PIPECONF */
-	temp &= ~(0x07 << 16);
-	temp |= (I915_READ(PIPECONF(pipe)) & PIPE_BPC_MASK) << 11;
-	I915_WRITE(reg, temp);
-
-	POSTING_READ(reg);
-	udelay(100);
-
-	if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
-		temp = I915_READ(PCH_LVDS);
-		if (temp & LVDS_PORT_EN) {
-			I915_WRITE(PCH_LVDS, temp & ~LVDS_PORT_EN);
-			POSTING_READ(PCH_LVDS);
-			udelay(100);
-		}
-	}
-
-	/* disable PCH transcoder */
-	reg = TRANSCONF(plane);
-	temp = I915_READ(reg);
-	if (temp & TRANS_ENABLE) {
-		I915_WRITE(reg, temp & ~TRANS_ENABLE);
-		/* wait for PCH transcoder off, transcoder state */
-		if (wait_for((I915_READ(reg) & TRANS_STATE_ENABLE) == 0, 50))
-			DRM_ERROR("failed to disable transcoder\n");
-	}
+	intel_disable_transcoder(dev_priv, pipe);
 
 	if (HAS_PCH_CPT(dev)) {
 		/* disable TRANS_DP_CTL */
 		reg = TRANS_DP_CTL(pipe);
 		temp = I915_READ(reg);
 		temp &= ~(TRANS_DP_OUTPUT_ENABLE | TRANS_DP_PORT_SEL_MASK);
+		temp |= TRANS_DP_PORT_SEL_NONE;
 		I915_WRITE(reg, temp);
 
 		/* disable DPLL_SEL */
 		temp = I915_READ(PCH_DPLL_SEL);
-		if (pipe == 0)
-			temp &= ~(TRANSA_DPLL_ENABLE | TRANSA_DPLLB_SEL);
-		else
+		switch (pipe) {
+		case 0:
+			temp &= ~(TRANSA_DPLL_ENABLE | TRANSA_DPLLA_SEL);
+			break;
+		case 1:
 			temp &= ~(TRANSB_DPLL_ENABLE | TRANSB_DPLLB_SEL);
+			break;
+		case 2:
+			/* FIXME: manage transcoder PLLs? */
+			temp &= ~(TRANSC_DPLL_ENABLE | TRANSC_DPLLB_SEL);
+			break;
+		default:
+			BUG(); /* wtf */
+		}
 		I915_WRITE(PCH_DPLL_SEL, temp);
 	}
 
 	/* disable PCH DPLL */
-	reg = PCH_DPLL(pipe);
-	temp = I915_READ(reg);
-	I915_WRITE(reg, temp & ~DPLL_VCO_ENABLE);
+	intel_disable_pch_pll(dev_priv, pipe);
 
 	/* Switch from PCDclk to Rawclk */
 	reg = FDI_RX_CTL(pipe);
@@ -2372,9 +2999,12 @@
 {
 	if (!enable && intel_crtc->overlay) {
 		struct drm_device *dev = intel_crtc->base.dev;
+		struct drm_i915_private *dev_priv = dev->dev_private;
 
 		mutex_lock(&dev->struct_mutex);
-		(void) intel_overlay_switch_off(intel_crtc->overlay, false);
+		dev_priv->mm.interruptible = false;
+		(void) intel_overlay_switch_off(intel_crtc->overlay);
+		dev_priv->mm.interruptible = true;
 		mutex_unlock(&dev->struct_mutex);
 	}
 
@@ -2390,7 +3020,6 @@
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 	int pipe = intel_crtc->pipe;
 	int plane = intel_crtc->plane;
-	u32 reg, temp;
 
 	if (intel_crtc->active)
 		return;
@@ -2398,42 +3027,9 @@
 	intel_crtc->active = true;
 	intel_update_watermarks(dev);
 
-	/* Enable the DPLL */
-	reg = DPLL(pipe);
-	temp = I915_READ(reg);
-	if ((temp & DPLL_VCO_ENABLE) == 0) {
-		I915_WRITE(reg, temp);
-
-		/* Wait for the clocks to stabilize. */
-		POSTING_READ(reg);
-		udelay(150);
-
-		I915_WRITE(reg, temp | DPLL_VCO_ENABLE);
-
-		/* Wait for the clocks to stabilize. */
-		POSTING_READ(reg);
-		udelay(150);
-
-		I915_WRITE(reg, temp | DPLL_VCO_ENABLE);
-
-		/* Wait for the clocks to stabilize. */
-		POSTING_READ(reg);
-		udelay(150);
-	}
-
-	/* Enable the pipe */
-	reg = PIPECONF(pipe);
-	temp = I915_READ(reg);
-	if ((temp & PIPECONF_ENABLE) == 0)
-		I915_WRITE(reg, temp | PIPECONF_ENABLE);
-
-	/* Enable the plane */
-	reg = DSPCNTR(plane);
-	temp = I915_READ(reg);
-	if ((temp & DISPLAY_PLANE_ENABLE) == 0) {
-		I915_WRITE(reg, temp | DISPLAY_PLANE_ENABLE);
-		intel_flush_display_plane(dev, plane);
-	}
+	intel_enable_pll(dev_priv, pipe);
+	intel_enable_pipe(dev_priv, pipe, false);
+	intel_enable_plane(dev_priv, plane, pipe);
 
 	intel_crtc_load_lut(crtc);
 	intel_update_fbc(dev);
@@ -2450,7 +3046,6 @@
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 	int pipe = intel_crtc->pipe;
 	int plane = intel_crtc->plane;
-	u32 reg, temp;
 
 	if (!intel_crtc->active)
 		return;
@@ -2465,45 +3060,10 @@
 	    dev_priv->display.disable_fbc)
 		dev_priv->display.disable_fbc(dev);
 
-	/* Disable display plane */
-	reg = DSPCNTR(plane);
-	temp = I915_READ(reg);
-	if (temp & DISPLAY_PLANE_ENABLE) {
-		I915_WRITE(reg, temp & ~DISPLAY_PLANE_ENABLE);
-		/* Flush the plane changes */
-		intel_flush_display_plane(dev, plane);
+	intel_disable_plane(dev_priv, plane, pipe);
+	intel_disable_pipe(dev_priv, pipe);
+	intel_disable_pll(dev_priv, pipe);
 
-		/* Wait for vblank for the disable to take effect */
-		if (IS_GEN2(dev))
-			intel_wait_for_vblank(dev, pipe);
-	}
-
-	/* Don't disable pipe A or pipe A PLLs if needed */
-	if (pipe == 0 && (dev_priv->quirks & QUIRK_PIPEA_FORCE))
-		goto done;
-
-	/* Next, disable display pipes */
-	reg = PIPECONF(pipe);
-	temp = I915_READ(reg);
-	if (temp & PIPECONF_ENABLE) {
-		I915_WRITE(reg, temp & ~PIPECONF_ENABLE);
-
-		/* Wait for the pipe to turn off */
-		POSTING_READ(reg);
-		intel_wait_for_pipe_off(dev, pipe);
-	}
-
-	reg = DPLL(pipe);
-	temp = I915_READ(reg);
-	if (temp & DPLL_VCO_ENABLE) {
-		I915_WRITE(reg, temp & ~DPLL_VCO_ENABLE);
-
-		/* Wait for the clocks to turn off. */
-		POSTING_READ(reg);
-		udelay(150);
-	}
-
-done:
 	intel_crtc->active = false;
 	intel_update_fbc(dev);
 	intel_update_watermarks(dev);
@@ -2565,7 +3125,7 @@
 		master_priv->sarea_priv->pipeB_h = enabled ? crtc->mode.vdisplay : 0;
 		break;
 	default:
-		DRM_ERROR("Can't update pipe %d in SAREA\n", pipe);
+		DRM_ERROR("Can't update pipe %c in SAREA\n", pipe_name(pipe));
 		break;
 	}
 }
@@ -2762,77 +3322,77 @@
 };
 
 /* Pineview has different values for various configs */
-static struct intel_watermark_params pineview_display_wm = {
+static const struct intel_watermark_params pineview_display_wm = {
 	PINEVIEW_DISPLAY_FIFO,
 	PINEVIEW_MAX_WM,
 	PINEVIEW_DFT_WM,
 	PINEVIEW_GUARD_WM,
 	PINEVIEW_FIFO_LINE_SIZE
 };
-static struct intel_watermark_params pineview_display_hplloff_wm = {
+static const struct intel_watermark_params pineview_display_hplloff_wm = {
 	PINEVIEW_DISPLAY_FIFO,
 	PINEVIEW_MAX_WM,
 	PINEVIEW_DFT_HPLLOFF_WM,
 	PINEVIEW_GUARD_WM,
 	PINEVIEW_FIFO_LINE_SIZE
 };
-static struct intel_watermark_params pineview_cursor_wm = {
+static const struct intel_watermark_params pineview_cursor_wm = {
 	PINEVIEW_CURSOR_FIFO,
 	PINEVIEW_CURSOR_MAX_WM,
 	PINEVIEW_CURSOR_DFT_WM,
 	PINEVIEW_CURSOR_GUARD_WM,
 	PINEVIEW_FIFO_LINE_SIZE,
 };
-static struct intel_watermark_params pineview_cursor_hplloff_wm = {
+static const struct intel_watermark_params pineview_cursor_hplloff_wm = {
 	PINEVIEW_CURSOR_FIFO,
 	PINEVIEW_CURSOR_MAX_WM,
 	PINEVIEW_CURSOR_DFT_WM,
 	PINEVIEW_CURSOR_GUARD_WM,
 	PINEVIEW_FIFO_LINE_SIZE
 };
-static struct intel_watermark_params g4x_wm_info = {
+static const struct intel_watermark_params g4x_wm_info = {
 	G4X_FIFO_SIZE,
 	G4X_MAX_WM,
 	G4X_MAX_WM,
 	2,
 	G4X_FIFO_LINE_SIZE,
 };
-static struct intel_watermark_params g4x_cursor_wm_info = {
+static const struct intel_watermark_params g4x_cursor_wm_info = {
 	I965_CURSOR_FIFO,
 	I965_CURSOR_MAX_WM,
 	I965_CURSOR_DFT_WM,
 	2,
 	G4X_FIFO_LINE_SIZE,
 };
-static struct intel_watermark_params i965_cursor_wm_info = {
+static const struct intel_watermark_params i965_cursor_wm_info = {
 	I965_CURSOR_FIFO,
 	I965_CURSOR_MAX_WM,
 	I965_CURSOR_DFT_WM,
 	2,
 	I915_FIFO_LINE_SIZE,
 };
-static struct intel_watermark_params i945_wm_info = {
+static const struct intel_watermark_params i945_wm_info = {
 	I945_FIFO_SIZE,
 	I915_MAX_WM,
 	1,
 	2,
 	I915_FIFO_LINE_SIZE
 };
-static struct intel_watermark_params i915_wm_info = {
+static const struct intel_watermark_params i915_wm_info = {
 	I915_FIFO_SIZE,
 	I915_MAX_WM,
 	1,
 	2,
 	I915_FIFO_LINE_SIZE
 };
-static struct intel_watermark_params i855_wm_info = {
+static const struct intel_watermark_params i855_wm_info = {
 	I855GM_FIFO_SIZE,
 	I915_MAX_WM,
 	1,
 	2,
 	I830_FIFO_LINE_SIZE
 };
-static struct intel_watermark_params i830_wm_info = {
+static const struct intel_watermark_params i830_wm_info = {
 	I830_FIFO_SIZE,
 	I915_MAX_WM,
 	1,
@@ -2840,31 +3400,28 @@
 	I830_FIFO_LINE_SIZE
 };
 
-static struct intel_watermark_params ironlake_display_wm_info = {
+static const struct intel_watermark_params ironlake_display_wm_info = {
 	ILK_DISPLAY_FIFO,
 	ILK_DISPLAY_MAXWM,
 	ILK_DISPLAY_DFTWM,
 	2,
 	ILK_FIFO_LINE_SIZE
 };
-
-static struct intel_watermark_params ironlake_cursor_wm_info = {
+static const struct intel_watermark_params ironlake_cursor_wm_info = {
 	ILK_CURSOR_FIFO,
 	ILK_CURSOR_MAXWM,
 	ILK_CURSOR_DFTWM,
 	2,
 	ILK_FIFO_LINE_SIZE
 };
-
-static struct intel_watermark_params ironlake_display_srwm_info = {
+static const struct intel_watermark_params ironlake_display_srwm_info = {
 	ILK_DISPLAY_SR_FIFO,
 	ILK_DISPLAY_MAX_SRWM,
 	ILK_DISPLAY_DFT_SRWM,
 	2,
 	ILK_FIFO_LINE_SIZE
 };
-
-static struct intel_watermark_params ironlake_cursor_srwm_info = {
+static const struct intel_watermark_params ironlake_cursor_srwm_info = {
 	ILK_CURSOR_SR_FIFO,
 	ILK_CURSOR_MAX_SRWM,
 	ILK_CURSOR_DFT_SRWM,
@@ -2872,31 +3429,28 @@
 	ILK_FIFO_LINE_SIZE
 };
 
-static struct intel_watermark_params sandybridge_display_wm_info = {
+static const struct intel_watermark_params sandybridge_display_wm_info = {
 	SNB_DISPLAY_FIFO,
 	SNB_DISPLAY_MAXWM,
 	SNB_DISPLAY_DFTWM,
 	2,
 	SNB_FIFO_LINE_SIZE
 };
-
-static struct intel_watermark_params sandybridge_cursor_wm_info = {
+static const struct intel_watermark_params sandybridge_cursor_wm_info = {
 	SNB_CURSOR_FIFO,
 	SNB_CURSOR_MAXWM,
 	SNB_CURSOR_DFTWM,
 	2,
 	SNB_FIFO_LINE_SIZE
 };
-
-static struct intel_watermark_params sandybridge_display_srwm_info = {
+static const struct intel_watermark_params sandybridge_display_srwm_info = {
 	SNB_DISPLAY_SR_FIFO,
 	SNB_DISPLAY_MAX_SRWM,
 	SNB_DISPLAY_DFT_SRWM,
 	2,
 	SNB_FIFO_LINE_SIZE
 };
-
-static struct intel_watermark_params sandybridge_cursor_srwm_info = {
+static const struct intel_watermark_params sandybridge_cursor_srwm_info = {
 	SNB_CURSOR_SR_FIFO,
 	SNB_CURSOR_MAX_SRWM,
 	SNB_CURSOR_DFT_SRWM,
@@ -2924,7 +3478,8 @@
  * will occur, and a display engine hang could result.
  */
 static unsigned long intel_calculate_wm(unsigned long clock_in_khz,
-					struct intel_watermark_params *wm,
+					const struct intel_watermark_params *wm,
+					int fifo_size,
 					int pixel_size,
 					unsigned long latency_ns)
 {
@@ -2942,7 +3497,7 @@
 
 	DRM_DEBUG_KMS("FIFO entries required for mode: %d\n", entries_required);
 
-	wm_size = wm->fifo_size - (entries_required + wm->guard_size);
+	wm_size = fifo_size - (entries_required + wm->guard_size);
 
 	DRM_DEBUG_KMS("FIFO watermark level: %d\n", wm_size);
 
@@ -3115,15 +3670,28 @@
 	return size;
 }
 
-static void pineview_update_wm(struct drm_device *dev,  int planea_clock,
-			       int planeb_clock, int sr_hdisplay, int unused,
-			       int pixel_size)
+static struct drm_crtc *single_enabled_crtc(struct drm_device *dev)
+{
+	struct drm_crtc *crtc, *enabled = NULL;
+
+	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+		if (crtc->enabled && crtc->fb) {
+			if (enabled)
+				return NULL;
+			enabled = crtc;
+		}
+	}
+
+	return enabled;
+}
+
+static void pineview_update_wm(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct drm_crtc *crtc;
 	const struct cxsr_latency *latency;
 	u32 reg;
 	unsigned long wm;
-	int sr_clock;
 
 	latency = intel_get_cxsr_latency(IS_PINEVIEW_G(dev), dev_priv->is_ddr3,
 					 dev_priv->fsb_freq, dev_priv->mem_freq);
@@ -3133,11 +3701,14 @@
 		return;
 	}
 
-	if (!planea_clock || !planeb_clock) {
-		sr_clock = planea_clock ? planea_clock : planeb_clock;
+	crtc = single_enabled_crtc(dev);
+	if (crtc) {
+		int clock = crtc->mode.clock;
+		int pixel_size = crtc->fb->bits_per_pixel / 8;
 
 		/* Display SR */
-		wm = intel_calculate_wm(sr_clock, &pineview_display_wm,
+		wm = intel_calculate_wm(clock, &pineview_display_wm,
+					pineview_display_wm.fifo_size,
 					pixel_size, latency->display_sr);
 		reg = I915_READ(DSPFW1);
 		reg &= ~DSPFW_SR_MASK;
@@ -3146,7 +3717,8 @@
 		DRM_DEBUG_KMS("DSPFW1 register is %x\n", reg);
 
 		/* cursor SR */
-		wm = intel_calculate_wm(sr_clock, &pineview_cursor_wm,
+		wm = intel_calculate_wm(clock, &pineview_cursor_wm,
+					pineview_display_wm.fifo_size,
 					pixel_size, latency->cursor_sr);
 		reg = I915_READ(DSPFW3);
 		reg &= ~DSPFW_CURSOR_SR_MASK;
@@ -3154,7 +3726,8 @@
 		I915_WRITE(DSPFW3, reg);
 
 		/* Display HPLL off SR */
-		wm = intel_calculate_wm(sr_clock, &pineview_display_hplloff_wm,
+		wm = intel_calculate_wm(clock, &pineview_display_hplloff_wm,
+					pineview_display_hplloff_wm.fifo_size,
 					pixel_size, latency->display_hpll_disable);
 		reg = I915_READ(DSPFW3);
 		reg &= ~DSPFW_HPLL_SR_MASK;
@@ -3162,7 +3735,8 @@
 		I915_WRITE(DSPFW3, reg);
 
 		/* cursor HPLL off SR */
-		wm = intel_calculate_wm(sr_clock, &pineview_cursor_hplloff_wm,
+		wm = intel_calculate_wm(clock, &pineview_cursor_hplloff_wm,
+					pineview_display_hplloff_wm.fifo_size,
 					pixel_size, latency->cursor_hpll_disable);
 		reg = I915_READ(DSPFW3);
 		reg &= ~DSPFW_HPLL_CURSOR_MASK;
@@ -3180,125 +3754,229 @@
 	}
 }
 
-static void g4x_update_wm(struct drm_device *dev,  int planea_clock,
-			  int planeb_clock, int sr_hdisplay, int sr_htotal,
-			  int pixel_size)
+static bool g4x_compute_wm0(struct drm_device *dev,
+			    int plane,
+			    const struct intel_watermark_params *display,
+			    int display_latency_ns,
+			    const struct intel_watermark_params *cursor,
+			    int cursor_latency_ns,
+			    int *plane_wm,
+			    int *cursor_wm)
 {
-	struct drm_i915_private *dev_priv = dev->dev_private;
-	int total_size, cacheline_size;
-	int planea_wm, planeb_wm, cursora_wm, cursorb_wm, cursor_sr;
-	struct intel_watermark_params planea_params, planeb_params;
-	unsigned long line_time_us;
-	int sr_clock, sr_entries = 0, entries_required;
+	struct drm_crtc *crtc;
+	int htotal, hdisplay, clock, pixel_size;
+	int line_time_us, line_count;
+	int entries, tlb_miss;
 
-	/* Create copies of the base settings for each pipe */
-	planea_params = planeb_params = g4x_wm_info;
+	crtc = intel_get_crtc_for_plane(dev, plane);
+	if (crtc->fb == NULL || !crtc->enabled)
+		return false;
 
-	/* Grab a couple of global values before we overwrite them */
-	total_size = planea_params.fifo_size;
-	cacheline_size = planea_params.cacheline_size;
+	htotal = crtc->mode.htotal;
+	hdisplay = crtc->mode.hdisplay;
+	clock = crtc->mode.clock;
+	pixel_size = crtc->fb->bits_per_pixel / 8;
 
-	/*
-	 * Note: we need to make sure we don't overflow for various clock &
-	 * latency values.
-	 * clocks go from a few thousand to several hundred thousand.
-	 * latency is usually a few thousand
-	 */
-	entries_required = ((planea_clock / 1000) * pixel_size * latency_ns) /
-		1000;
-	entries_required = DIV_ROUND_UP(entries_required, G4X_FIFO_LINE_SIZE);
-	planea_wm = entries_required + planea_params.guard_size;
+	/* Use the small buffer method to calculate plane watermark */
+	entries = ((clock * pixel_size / 1000) * display_latency_ns) / 1000;
+	tlb_miss = display->fifo_size*display->cacheline_size - hdisplay * 8;
+	if (tlb_miss > 0)
+		entries += tlb_miss;
+	entries = DIV_ROUND_UP(entries, display->cacheline_size);
+	*plane_wm = entries + display->guard_size;
+	if (*plane_wm > (int)display->max_wm)
+		*plane_wm = display->max_wm;
 
-	entries_required = ((planeb_clock / 1000) * pixel_size * latency_ns) /
-		1000;
-	entries_required = DIV_ROUND_UP(entries_required, G4X_FIFO_LINE_SIZE);
-	planeb_wm = entries_required + planeb_params.guard_size;
+	/* Use the large buffer method to calculate cursor watermark */
+	line_time_us = ((htotal * 1000) / clock);
+	line_count = (cursor_latency_ns / line_time_us + 1000) / 1000;
+	entries = line_count * 64 * pixel_size;
+	tlb_miss = cursor->fifo_size*cursor->cacheline_size - hdisplay * 8;
+	if (tlb_miss > 0)
+		entries += tlb_miss;
+	entries = DIV_ROUND_UP(entries, cursor->cacheline_size);
+	*cursor_wm = entries + cursor->guard_size;
+	if (*cursor_wm > (int)cursor->max_wm)
+		*cursor_wm = (int)cursor->max_wm;
 
-	cursora_wm = cursorb_wm = 16;
-	cursor_sr = 32;
+	return true;
+}
 
-	DRM_DEBUG("FIFO watermarks - A: %d, B: %d\n", planea_wm, planeb_wm);
+/*
+ * Check the wm result.
+ *
+ * If any calculated watermark values is larger than the maximum value that
+ * can be programmed into the associated watermark register, that watermark
+ * must be disabled.
+ */
+static bool g4x_check_srwm(struct drm_device *dev,
+			   int display_wm, int cursor_wm,
+			   const struct intel_watermark_params *display,
+			   const struct intel_watermark_params *cursor)
+{
+	DRM_DEBUG_KMS("SR watermark: display plane %d, cursor %d\n",
+		      display_wm, cursor_wm);
 
-	/* Calc sr entries for one plane configs */
-	if (sr_hdisplay && (!planea_clock || !planeb_clock)) {
-		/* self-refresh has much higher latency */
-		static const int sr_latency_ns = 12000;
-
-		sr_clock = planea_clock ? planea_clock : planeb_clock;
-		line_time_us = ((sr_htotal * 1000) / sr_clock);
-
-		/* Use ns/us then divide to preserve precision */
-		sr_entries = (((sr_latency_ns / line_time_us) + 1000) / 1000) *
-			pixel_size * sr_hdisplay;
-		sr_entries = DIV_ROUND_UP(sr_entries, cacheline_size);
-
-		entries_required = (((sr_latency_ns / line_time_us) +
-				     1000) / 1000) * pixel_size * 64;
-		entries_required = DIV_ROUND_UP(entries_required,
-						g4x_cursor_wm_info.cacheline_size);
-		cursor_sr = entries_required + g4x_cursor_wm_info.guard_size;
-
-		if (cursor_sr > g4x_cursor_wm_info.max_wm)
-			cursor_sr = g4x_cursor_wm_info.max_wm;
-		DRM_DEBUG_KMS("self-refresh watermark: display plane %d "
-			      "cursor %d\n", sr_entries, cursor_sr);
-
-		I915_WRITE(FW_BLC_SELF, FW_BLC_SELF_EN);
-	} else {
-		/* Turn off self refresh if both pipes are enabled */
-		I915_WRITE(FW_BLC_SELF, I915_READ(FW_BLC_SELF)
-			   & ~FW_BLC_SELF_EN);
+	if (display_wm > display->max_wm) {
+		DRM_DEBUG_KMS("display watermark is too large(%d), disabling\n",
+			      display_wm, display->max_wm);
+		return false;
 	}
 
-	DRM_DEBUG("Setting FIFO watermarks - A: %d, B: %d, SR %d\n",
-		  planea_wm, planeb_wm, sr_entries);
+	if (cursor_wm > cursor->max_wm) {
+		DRM_DEBUG_KMS("cursor watermark is too large(%d), disabling\n",
+			      cursor_wm, cursor->max_wm);
+		return false;
+	}
 
-	planea_wm &= 0x3f;
-	planeb_wm &= 0x3f;
+	if (!(display_wm || cursor_wm)) {
+		DRM_DEBUG_KMS("SR latency is 0, disabling\n");
+		return false;
+	}
 
-	I915_WRITE(DSPFW1, (sr_entries << DSPFW_SR_SHIFT) |
+	return true;
+}
+
+static bool g4x_compute_srwm(struct drm_device *dev,
+			     int plane,
+			     int latency_ns,
+			     const struct intel_watermark_params *display,
+			     const struct intel_watermark_params *cursor,
+			     int *display_wm, int *cursor_wm)
+{
+	struct drm_crtc *crtc;
+	int hdisplay, htotal, pixel_size, clock;
+	unsigned long line_time_us;
+	int line_count, line_size;
+	int small, large;
+	int entries;
+
+	if (!latency_ns) {
+		*display_wm = *cursor_wm = 0;
+		return false;
+	}
+
+	crtc = intel_get_crtc_for_plane(dev, plane);
+	hdisplay = crtc->mode.hdisplay;
+	htotal = crtc->mode.htotal;
+	clock = crtc->mode.clock;
+	pixel_size = crtc->fb->bits_per_pixel / 8;
+
+	line_time_us = (htotal * 1000) / clock;
+	line_count = (latency_ns / line_time_us + 1000) / 1000;
+	line_size = hdisplay * pixel_size;
+
+	/* Use the minimum of the small and large buffer method for primary */
+	small = ((clock * pixel_size / 1000) * latency_ns) / 1000;
+	large = line_count * line_size;
+
+	entries = DIV_ROUND_UP(min(small, large), display->cacheline_size);
+	*display_wm = entries + display->guard_size;
+
+	/* calculate the self-refresh watermark for display cursor */
+	entries = line_count * pixel_size * 64;
+	entries = DIV_ROUND_UP(entries, cursor->cacheline_size);
+	*cursor_wm = entries + cursor->guard_size;
+
+	return g4x_check_srwm(dev,
+			      *display_wm, *cursor_wm,
+			      display, cursor);
+}
+
+static inline bool single_plane_enabled(unsigned int mask)
+{
+	return mask && (mask & -mask) == 0;
+}
+
+static void g4x_update_wm(struct drm_device *dev)
+{
+	static const int sr_latency_ns = 12000;
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	int planea_wm, planeb_wm, cursora_wm, cursorb_wm;
+	int plane_sr, cursor_sr;
+	unsigned int enabled = 0;
+
+	if (g4x_compute_wm0(dev, 0,
+			    &g4x_wm_info, latency_ns,
+			    &g4x_cursor_wm_info, latency_ns,
+			    &planea_wm, &cursora_wm))
+		enabled |= 1;
+
+	if (g4x_compute_wm0(dev, 1,
+			    &g4x_wm_info, latency_ns,
+			    &g4x_cursor_wm_info, latency_ns,
+			    &planeb_wm, &cursorb_wm))
+		enabled |= 2;
+
+	plane_sr = cursor_sr = 0;
+	if (single_plane_enabled(enabled) &&
+	    g4x_compute_srwm(dev, ffs(enabled) - 1,
+			     sr_latency_ns,
+			     &g4x_wm_info,
+			     &g4x_cursor_wm_info,
+			     &plane_sr, &cursor_sr))
+		I915_WRITE(FW_BLC_SELF, FW_BLC_SELF_EN);
+	else
+		I915_WRITE(FW_BLC_SELF,
+			   I915_READ(FW_BLC_SELF) & ~FW_BLC_SELF_EN);
+
+	DRM_DEBUG_KMS("Setting FIFO watermarks - A: plane=%d, cursor=%d, B: plane=%d, cursor=%d, SR: plane=%d, cursor=%d\n",
+		      planea_wm, cursora_wm,
+		      planeb_wm, cursorb_wm,
+		      plane_sr, cursor_sr);
+
+	I915_WRITE(DSPFW1,
+		   (plane_sr << DSPFW_SR_SHIFT) |
 		   (cursorb_wm << DSPFW_CURSORB_SHIFT) |
-		   (planeb_wm << DSPFW_PLANEB_SHIFT) | planea_wm);
-	I915_WRITE(DSPFW2, (I915_READ(DSPFW2) & DSPFW_CURSORA_MASK) |
+		   (planeb_wm << DSPFW_PLANEB_SHIFT) |
+		   planea_wm);
+	I915_WRITE(DSPFW2,
+		   (I915_READ(DSPFW2) & DSPFW_CURSORA_MASK) |
 		   (cursora_wm << DSPFW_CURSORA_SHIFT));
 	/* HPLL off in SR has some issues on G4x... disable it */
-	I915_WRITE(DSPFW3, (I915_READ(DSPFW3) & ~DSPFW_HPLL_SR_EN) |
+	I915_WRITE(DSPFW3,
+		   (I915_READ(DSPFW3) & ~DSPFW_HPLL_SR_EN) |
 		   (cursor_sr << DSPFW_CURSOR_SR_SHIFT));
 }
 
-static void i965_update_wm(struct drm_device *dev, int planea_clock,
-			   int planeb_clock, int sr_hdisplay, int sr_htotal,
-			   int pixel_size)
+static void i965_update_wm(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	unsigned long line_time_us;
-	int sr_clock, sr_entries, srwm = 1;
+	struct drm_crtc *crtc;
+	int srwm = 1;
 	int cursor_sr = 16;
 
 	/* Calc sr entries for one plane configs */
-	if (sr_hdisplay && (!planea_clock || !planeb_clock)) {
+	crtc = single_enabled_crtc(dev);
+	if (crtc) {
 		/* self-refresh has much higher latency */
 		static const int sr_latency_ns = 12000;
+		int clock = crtc->mode.clock;
+		int htotal = crtc->mode.htotal;
+		int hdisplay = crtc->mode.hdisplay;
+		int pixel_size = crtc->fb->bits_per_pixel / 8;
+		unsigned long line_time_us;
+		int entries;
 
-		sr_clock = planea_clock ? planea_clock : planeb_clock;
-		line_time_us = ((sr_htotal * 1000) / sr_clock);
+		line_time_us = ((htotal * 1000) / clock);
 
 		/* Use ns/us then divide to preserve precision */
-		sr_entries = (((sr_latency_ns / line_time_us) + 1000) / 1000) *
-			pixel_size * sr_hdisplay;
-		sr_entries = DIV_ROUND_UP(sr_entries, I915_FIFO_LINE_SIZE);
-		DRM_DEBUG("self-refresh entries: %d\n", sr_entries);
-		srwm = I965_FIFO_SIZE - sr_entries;
+		entries = (((sr_latency_ns / line_time_us) + 1000) / 1000) *
+			pixel_size * hdisplay;
+		entries = DIV_ROUND_UP(entries, I915_FIFO_LINE_SIZE);
+		srwm = I965_FIFO_SIZE - entries;
 		if (srwm < 0)
 			srwm = 1;
 		srwm &= 0x1ff;
+		DRM_DEBUG_KMS("self-refresh entries: %d, wm: %d\n",
+			      entries, srwm);
 
-		sr_entries = (((sr_latency_ns / line_time_us) + 1000) / 1000) *
+		entries = (((sr_latency_ns / line_time_us) + 1000) / 1000) *
 			pixel_size * 64;
-		sr_entries = DIV_ROUND_UP(sr_entries,
+		entries = DIV_ROUND_UP(entries,
 					  i965_cursor_wm_info.cacheline_size);
 		cursor_sr = i965_cursor_wm_info.fifo_size -
-			(sr_entries + i965_cursor_wm_info.guard_size);
+			(entries + i965_cursor_wm_info.guard_size);
 
 		if (cursor_sr > i965_cursor_wm_info.max_wm)
 			cursor_sr = i965_cursor_wm_info.max_wm;
@@ -3319,46 +3997,56 @@
 		      srwm);
 
 	/* 965 has limitations... */
-	I915_WRITE(DSPFW1, (srwm << DSPFW_SR_SHIFT) | (8 << 16) | (8 << 8) |
-		   (8 << 0));
+	I915_WRITE(DSPFW1, (srwm << DSPFW_SR_SHIFT) |
+		   (8 << 16) | (8 << 8) | (8 << 0));
 	I915_WRITE(DSPFW2, (8 << 8) | (8 << 0));
 	/* update cursor SR watermark */
 	I915_WRITE(DSPFW3, (cursor_sr << DSPFW_CURSOR_SR_SHIFT));
 }
 
-static void i9xx_update_wm(struct drm_device *dev, int planea_clock,
-			   int planeb_clock, int sr_hdisplay, int sr_htotal,
-			   int pixel_size)
+static void i9xx_update_wm(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
+	const struct intel_watermark_params *wm_info;
 	uint32_t fwater_lo;
 	uint32_t fwater_hi;
-	int total_size, cacheline_size, cwm, srwm = 1;
+	int cwm, srwm = 1;
+	int fifo_size;
 	int planea_wm, planeb_wm;
-	struct intel_watermark_params planea_params, planeb_params;
-	unsigned long line_time_us;
-	int sr_clock, sr_entries = 0;
+	struct drm_crtc *crtc, *enabled = NULL;
 
-	/* Create copies of the base settings for each pipe */
-	if (IS_CRESTLINE(dev) || IS_I945GM(dev))
-		planea_params = planeb_params = i945_wm_info;
+	if (IS_I945GM(dev))
+		wm_info = &i945_wm_info;
 	else if (!IS_GEN2(dev))
-		planea_params = planeb_params = i915_wm_info;
+		wm_info = &i915_wm_info;
 	else
-		planea_params = planeb_params = i855_wm_info;
+		wm_info = &i855_wm_info;
 
-	/* Grab a couple of global values before we overwrite them */
-	total_size = planea_params.fifo_size;
-	cacheline_size = planea_params.cacheline_size;
+	fifo_size = dev_priv->display.get_fifo_size(dev, 0);
+	crtc = intel_get_crtc_for_plane(dev, 0);
+	if (crtc->enabled && crtc->fb) {
+		planea_wm = intel_calculate_wm(crtc->mode.clock,
+					       wm_info, fifo_size,
+					       crtc->fb->bits_per_pixel / 8,
+					       latency_ns);
+		enabled = crtc;
+	} else
+		planea_wm = fifo_size - wm_info->guard_size;
 
-	/* Update per-plane FIFO sizes */
-	planea_params.fifo_size = dev_priv->display.get_fifo_size(dev, 0);
-	planeb_params.fifo_size = dev_priv->display.get_fifo_size(dev, 1);
+	fifo_size = dev_priv->display.get_fifo_size(dev, 1);
+	crtc = intel_get_crtc_for_plane(dev, 1);
+	if (crtc->enabled && crtc->fb) {
+		planeb_wm = intel_calculate_wm(crtc->mode.clock,
+					       wm_info, fifo_size,
+					       crtc->fb->bits_per_pixel / 8,
+					       latency_ns);
+		if (enabled == NULL)
+			enabled = crtc;
+		else
+			enabled = NULL;
+	} else
+		planeb_wm = fifo_size - wm_info->guard_size;
 
-	planea_wm = intel_calculate_wm(planea_clock, &planea_params,
-				       pixel_size, latency_ns);
-	planeb_wm = intel_calculate_wm(planeb_clock, &planeb_params,
-				       pixel_size, latency_ns);
 	DRM_DEBUG_KMS("FIFO watermarks - A: %d, B: %d\n", planea_wm, planeb_wm);
 
 	/*
@@ -3366,39 +4054,39 @@
 	 */
 	cwm = 2;
 
+	/* Play safe and disable self-refresh before adjusting watermarks. */
+	if (IS_I945G(dev) || IS_I945GM(dev))
+		I915_WRITE(FW_BLC_SELF, FW_BLC_SELF_EN_MASK | 0);
+	else if (IS_I915GM(dev))
+		I915_WRITE(INSTPM, I915_READ(INSTPM) & ~INSTPM_SELF_EN);
+
 	/* Calc sr entries for one plane configs */
-	if (HAS_FW_BLC(dev) && sr_hdisplay &&
-	    (!planea_clock || !planeb_clock)) {
+	if (HAS_FW_BLC(dev) && enabled) {
 		/* self-refresh has much higher latency */
 		static const int sr_latency_ns = 6000;
+		int clock = enabled->mode.clock;
+		int htotal = enabled->mode.htotal;
+		int hdisplay = enabled->mode.hdisplay;
+		int pixel_size = enabled->fb->bits_per_pixel / 8;
+		unsigned long line_time_us;
+		int entries;
 
-		sr_clock = planea_clock ? planea_clock : planeb_clock;
-		line_time_us = ((sr_htotal * 1000) / sr_clock);
+		line_time_us = (htotal * 1000) / clock;
 
 		/* Use ns/us then divide to preserve precision */
-		sr_entries = (((sr_latency_ns / line_time_us) + 1000) / 1000) *
-			pixel_size * sr_hdisplay;
-		sr_entries = DIV_ROUND_UP(sr_entries, cacheline_size);
-		DRM_DEBUG_KMS("self-refresh entries: %d\n", sr_entries);
-		srwm = total_size - sr_entries;
+		entries = (((sr_latency_ns / line_time_us) + 1000) / 1000) *
+			pixel_size * hdisplay;
+		entries = DIV_ROUND_UP(entries, wm_info->cacheline_size);
+		DRM_DEBUG_KMS("self-refresh entries: %d\n", entries);
+		srwm = wm_info->fifo_size - entries;
 		if (srwm < 0)
 			srwm = 1;
 
 		if (IS_I945G(dev) || IS_I945GM(dev))
-			I915_WRITE(FW_BLC_SELF, FW_BLC_SELF_FIFO_MASK | (srwm & 0xff));
-		else if (IS_I915GM(dev)) {
-			/* 915M has a smaller SRWM field */
+			I915_WRITE(FW_BLC_SELF,
+				   FW_BLC_SELF_FIFO_MASK | (srwm & 0xff));
+		else if (IS_I915GM(dev))
 			I915_WRITE(FW_BLC_SELF, srwm & 0x3f);
-			I915_WRITE(INSTPM, I915_READ(INSTPM) | INSTPM_SELF_EN);
-		}
-	} else {
-		/* Turn off self refresh if both pipes are enabled */
-		if (IS_I945G(dev) || IS_I945GM(dev)) {
-			I915_WRITE(FW_BLC_SELF, I915_READ(FW_BLC_SELF)
-				   & ~FW_BLC_SELF_EN);
-		} else if (IS_I915GM(dev)) {
-			I915_WRITE(INSTPM, I915_READ(INSTPM) & ~INSTPM_SELF_EN);
-		}
 	}
 
 	DRM_DEBUG_KMS("Setting FIFO watermarks - A: %d, B: %d, C: %d, SR %d\n",
@@ -3413,19 +4101,36 @@
 
 	I915_WRITE(FW_BLC, fwater_lo);
 	I915_WRITE(FW_BLC2, fwater_hi);
+
+	if (HAS_FW_BLC(dev)) {
+		if (enabled) {
+			if (IS_I945G(dev) || IS_I945GM(dev))
+				I915_WRITE(FW_BLC_SELF,
+					   FW_BLC_SELF_EN_MASK | FW_BLC_SELF_EN);
+			else if (IS_I915GM(dev))
+				I915_WRITE(INSTPM, I915_READ(INSTPM) | INSTPM_SELF_EN);
+			DRM_DEBUG_KMS("memory self refresh enabled\n");
+		} else
+			DRM_DEBUG_KMS("memory self refresh disabled\n");
+	}
 }
 
-static void i830_update_wm(struct drm_device *dev, int planea_clock, int unused,
-			   int unused2, int unused3, int pixel_size)
+static void i830_update_wm(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	uint32_t fwater_lo = I915_READ(FW_BLC) & ~0xfff;
+	struct drm_crtc *crtc;
+	uint32_t fwater_lo;
 	int planea_wm;
 
-	i830_wm_info.fifo_size = dev_priv->display.get_fifo_size(dev, 0);
+	crtc = single_enabled_crtc(dev);
+	if (crtc == NULL)
+		return;
 
-	planea_wm = intel_calculate_wm(planea_clock, &i830_wm_info,
-				       pixel_size, latency_ns);
+	planea_wm = intel_calculate_wm(crtc->mode.clock, &i830_wm_info,
+				       dev_priv->display.get_fifo_size(dev, 0),
+				       crtc->fb->bits_per_pixel / 8,
+				       latency_ns);
+	fwater_lo = I915_READ(FW_BLC) & ~0xfff;
 	fwater_lo |= (3<<8) | planea_wm;
 
 	DRM_DEBUG_KMS("Setting FIFO watermarks - A: %d\n", planea_wm);
@@ -3534,15 +4239,15 @@
 /*
  * Compute watermark values of WM[1-3],
  */
-static bool ironlake_compute_srwm(struct drm_device *dev, int level,
-				  int hdisplay, int htotal,
-				  int pixel_size, int clock, int latency_ns,
+static bool ironlake_compute_srwm(struct drm_device *dev, int level, int plane,
+				  int latency_ns,
 				  const struct intel_watermark_params *display,
 				  const struct intel_watermark_params *cursor,
 				  int *fbc_wm, int *display_wm, int *cursor_wm)
 {
-
+	struct drm_crtc *crtc;
 	unsigned long line_time_us;
+	int hdisplay, htotal, pixel_size, clock;
 	int line_count, line_size;
 	int small, large;
 	int entries;
@@ -3552,6 +4257,12 @@
 		return false;
 	}
 
+	crtc = intel_get_crtc_for_plane(dev, plane);
+	hdisplay = crtc->mode.hdisplay;
+	htotal = crtc->mode.htotal;
+	clock = crtc->mode.clock;
+	pixel_size = crtc->fb->bits_per_pixel / 8;
+
 	line_time_us = (htotal * 1000) / clock;
 	line_count = (latency_ns / line_time_us + 1000) / 1000;
 	line_size = hdisplay * pixel_size;
@@ -3579,14 +4290,11 @@
 				   display, cursor);
 }
 
-static void ironlake_update_wm(struct drm_device *dev,
-			       int planea_clock, int planeb_clock,
-			       int hdisplay, int htotal,
-			       int pixel_size)
+static void ironlake_update_wm(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	int fbc_wm, plane_wm, cursor_wm, enabled;
-	int clock;
+	int fbc_wm, plane_wm, cursor_wm;
+	unsigned int enabled;
 
 	enabled = 0;
 	if (ironlake_compute_wm0(dev, 0,
@@ -3600,7 +4308,7 @@
 		DRM_DEBUG_KMS("FIFO watermarks For pipe A -"
 			      " plane %d, " "cursor: %d\n",
 			      plane_wm, cursor_wm);
-		enabled++;
+		enabled |= 1;
 	}
 
 	if (ironlake_compute_wm0(dev, 1,
@@ -3614,7 +4322,7 @@
 		DRM_DEBUG_KMS("FIFO watermarks For pipe B -"
 			      " plane %d, cursor: %d\n",
 			      plane_wm, cursor_wm);
-		enabled++;
+		enabled |= 2;
 	}
 
 	/*
@@ -3625,14 +4333,13 @@
 	I915_WRITE(WM2_LP_ILK, 0);
 	I915_WRITE(WM1_LP_ILK, 0);
 
-	if (enabled != 1)
+	if (!single_plane_enabled(enabled))
 		return;
-
-	clock = planea_clock ? planea_clock : planeb_clock;
+	enabled = ffs(enabled) - 1;
 
 	/* WM1 */
-	if (!ironlake_compute_srwm(dev, 1, hdisplay, htotal, pixel_size,
-				   clock, ILK_READ_WM1_LATENCY() * 500,
+	if (!ironlake_compute_srwm(dev, 1, enabled,
+				   ILK_READ_WM1_LATENCY() * 500,
 				   &ironlake_display_srwm_info,
 				   &ironlake_cursor_srwm_info,
 				   &fbc_wm, &plane_wm, &cursor_wm))
@@ -3646,8 +4353,8 @@
 		   cursor_wm);
 
 	/* WM2 */
-	if (!ironlake_compute_srwm(dev, 2, hdisplay, htotal, pixel_size,
-				   clock, ILK_READ_WM2_LATENCY() * 500,
+	if (!ironlake_compute_srwm(dev, 2, enabled,
+				   ILK_READ_WM2_LATENCY() * 500,
 				   &ironlake_display_srwm_info,
 				   &ironlake_cursor_srwm_info,
 				   &fbc_wm, &plane_wm, &cursor_wm))
@@ -3666,15 +4373,12 @@
 	 */
 }
 
-static void sandybridge_update_wm(struct drm_device *dev,
-			       int planea_clock, int planeb_clock,
-			       int hdisplay, int htotal,
-			       int pixel_size)
+static void sandybridge_update_wm(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	int latency = SNB_READ_WM0_LATENCY() * 100;	/* In unit 0.1us */
-	int fbc_wm, plane_wm, cursor_wm, enabled;
-	int clock;
+	int fbc_wm, plane_wm, cursor_wm;
+	unsigned int enabled;
 
 	enabled = 0;
 	if (ironlake_compute_wm0(dev, 0,
@@ -3686,7 +4390,7 @@
 		DRM_DEBUG_KMS("FIFO watermarks For pipe A -"
 			      " plane %d, " "cursor: %d\n",
 			      plane_wm, cursor_wm);
-		enabled++;
+		enabled |= 1;
 	}
 
 	if (ironlake_compute_wm0(dev, 1,
@@ -3698,7 +4402,7 @@
 		DRM_DEBUG_KMS("FIFO watermarks For pipe B -"
 			      " plane %d, cursor: %d\n",
 			      plane_wm, cursor_wm);
-		enabled++;
+		enabled |= 2;
 	}
 
 	/*
@@ -3715,14 +4419,13 @@
 	I915_WRITE(WM2_LP_ILK, 0);
 	I915_WRITE(WM1_LP_ILK, 0);
 
-	if (enabled != 1)
+	if (!single_plane_enabled(enabled))
 		return;
-
-	clock = planea_clock ? planea_clock : planeb_clock;
+	enabled = ffs(enabled) - 1;
 
 	/* WM1 */
-	if (!ironlake_compute_srwm(dev, 1, hdisplay, htotal, pixel_size,
-				   clock, SNB_READ_WM1_LATENCY() * 500,
+	if (!ironlake_compute_srwm(dev, 1, enabled,
+				   SNB_READ_WM1_LATENCY() * 500,
 				   &sandybridge_display_srwm_info,
 				   &sandybridge_cursor_srwm_info,
 				   &fbc_wm, &plane_wm, &cursor_wm))
@@ -3736,9 +4439,8 @@
 		   cursor_wm);
 
 	/* WM2 */
-	if (!ironlake_compute_srwm(dev, 2,
-				   hdisplay, htotal, pixel_size,
-				   clock, SNB_READ_WM2_LATENCY() * 500,
+	if (!ironlake_compute_srwm(dev, 2, enabled,
+				   SNB_READ_WM2_LATENCY() * 500,
 				   &sandybridge_display_srwm_info,
 				   &sandybridge_cursor_srwm_info,
 				   &fbc_wm, &plane_wm, &cursor_wm))
@@ -3752,9 +4454,8 @@
 		   cursor_wm);
 
 	/* WM3 */
-	if (!ironlake_compute_srwm(dev, 3,
-				   hdisplay, htotal, pixel_size,
-				   clock, SNB_READ_WM3_LATENCY() * 500,
+	if (!ironlake_compute_srwm(dev, 3, enabled,
+				   SNB_READ_WM3_LATENCY() * 500,
 				   &sandybridge_display_srwm_info,
 				   &sandybridge_cursor_srwm_info,
 				   &fbc_wm, &plane_wm, &cursor_wm))
@@ -3803,44 +4504,9 @@
 static void intel_update_watermarks(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct drm_crtc *crtc;
-	int sr_hdisplay = 0;
-	unsigned long planea_clock = 0, planeb_clock = 0, sr_clock = 0;
-	int enabled = 0, pixel_size = 0;
-	int sr_htotal = 0;
 
-	if (!dev_priv->display.update_wm)
-		return;
-
-	/* Get the clock config from both planes */
-	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
-		struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-		if (intel_crtc->active) {
-			enabled++;
-			if (intel_crtc->plane == 0) {
-				DRM_DEBUG_KMS("plane A (pipe %d) clock: %d\n",
-					      intel_crtc->pipe, crtc->mode.clock);
-				planea_clock = crtc->mode.clock;
-			} else {
-				DRM_DEBUG_KMS("plane B (pipe %d) clock: %d\n",
-					      intel_crtc->pipe, crtc->mode.clock);
-				planeb_clock = crtc->mode.clock;
-			}
-			sr_hdisplay = crtc->mode.hdisplay;
-			sr_clock = crtc->mode.clock;
-			sr_htotal = crtc->mode.htotal;
-			if (crtc->fb)
-				pixel_size = crtc->fb->bits_per_pixel / 8;
-			else
-				pixel_size = 4; /* by default */
-		}
-	}
-
-	if (enabled <= 0)
-		return;
-
-	dev_priv->display.update_wm(dev, planea_clock, planeb_clock,
-				    sr_hdisplay, sr_htotal, pixel_size);
+	if (dev_priv->display.update_wm)
+		dev_priv->display.update_wm(dev);
 }
 
 static inline bool intel_panel_use_ssc(struct drm_i915_private *dev_priv)
@@ -3872,6 +4538,7 @@
 	int ret;
 	struct fdi_m_n m_n = {0};
 	u32 reg, temp;
+	u32 lvds_sync = 0;
 	int target_clock;
 
 	drm_vblank_pre_modeset(dev, pipe);
@@ -4243,9 +4910,8 @@
 			pipeconf &= ~PIPECONF_DOUBLE_WIDE;
 	}
 
-	dspcntr |= DISPLAY_PLANE_ENABLE;
-	pipeconf |= PIPECONF_ENABLE;
-	dpll |= DPLL_VCO_ENABLE;
+	if (!HAS_PCH_SPLIT(dev))
+		dpll |= DPLL_VCO_ENABLE;
 
 	DRM_DEBUG_KMS("Mode for pipe %c:\n", pipe == 0 ? 'A' : 'B');
 	drm_mode_debug_printmodeline(mode);
@@ -4271,10 +4937,20 @@
 	/* enable transcoder DPLL */
 	if (HAS_PCH_CPT(dev)) {
 		temp = I915_READ(PCH_DPLL_SEL);
-		if (pipe == 0)
+		switch (pipe) {
+		case 0:
 			temp |= TRANSA_DPLL_ENABLE | TRANSA_DPLLA_SEL;
-		else
+			break;
+		case 1:
 			temp |=	TRANSB_DPLL_ENABLE | TRANSB_DPLLB_SEL;
+			break;
+		case 2:
+			/* FIXME: manage transcoder PLLs? */
+			temp |= TRANSC_DPLL_ENABLE | TRANSC_DPLLB_SEL;
+			break;
+		default:
+			BUG();
+		}
 		I915_WRITE(PCH_DPLL_SEL, temp);
 
 		POSTING_READ(PCH_DPLL_SEL);
@@ -4324,6 +5000,22 @@
 			else
 				temp &= ~LVDS_ENABLE_DITHER;
 		}
+		if (adjusted_mode->flags & DRM_MODE_FLAG_NHSYNC)
+			lvds_sync |= LVDS_HSYNC_POLARITY;
+		if (adjusted_mode->flags & DRM_MODE_FLAG_NVSYNC)
+			lvds_sync |= LVDS_VSYNC_POLARITY;
+		if ((temp & (LVDS_HSYNC_POLARITY | LVDS_VSYNC_POLARITY))
+		    != lvds_sync) {
+			char flags[2] = "-+";
+			DRM_INFO("Changing LVDS panel from "
+				 "(%chsync, %cvsync) to (%chsync, %cvsync)\n",
+				 flags[!(temp & LVDS_HSYNC_POLARITY)],
+				 flags[!(temp & LVDS_VSYNC_POLARITY)],
+				 flags[!(lvds_sync & LVDS_HSYNC_POLARITY)],
+				 flags[!(lvds_sync & LVDS_VSYNC_POLARITY)]);
+			temp &= ~(LVDS_HSYNC_POLARITY | LVDS_VSYNC_POLARITY);
+			temp |= lvds_sync;
+		}
 		I915_WRITE(reg, temp);
 	}
 
@@ -4341,17 +5033,10 @@
 		intel_dp_set_m_n(crtc, mode, adjusted_mode);
 	} else if (HAS_PCH_SPLIT(dev)) {
 		/* For non-DP output, clear any trans DP clock recovery setting.*/
-		if (pipe == 0) {
-			I915_WRITE(TRANSA_DATA_M1, 0);
-			I915_WRITE(TRANSA_DATA_N1, 0);
-			I915_WRITE(TRANSA_DP_LINK_M1, 0);
-			I915_WRITE(TRANSA_DP_LINK_N1, 0);
-		} else {
-			I915_WRITE(TRANSB_DATA_M1, 0);
-			I915_WRITE(TRANSB_DATA_N1, 0);
-			I915_WRITE(TRANSB_DP_LINK_M1, 0);
-			I915_WRITE(TRANSB_DP_LINK_N1, 0);
-		}
+		I915_WRITE(TRANSDATA_M1(pipe), 0);
+		I915_WRITE(TRANSDATA_N1(pipe), 0);
+		I915_WRITE(TRANSDPLINK_M1(pipe), 0);
+		I915_WRITE(TRANSDPLINK_N1(pipe), 0);
 	}
 
 	if (!has_edp_encoder || intel_encoder_is_pch_edp(&has_edp_encoder->base)) {
@@ -4454,6 +5139,8 @@
 
 	I915_WRITE(PIPECONF(pipe), pipeconf);
 	POSTING_READ(PIPECONF(pipe));
+	if (!HAS_PCH_SPLIT(dev))
+		intel_enable_pipe(dev_priv, pipe, false);
 
 	intel_wait_for_vblank(dev, pipe);
 
@@ -4464,6 +5151,9 @@
 	}
 
 	I915_WRITE(DSPCNTR(plane), dspcntr);
+	POSTING_READ(DSPCNTR(plane));
+	if (!HAS_PCH_SPLIT(dev))
+		intel_enable_plane(dev_priv, plane, pipe);
 
 	ret = intel_pipe_set_base(crtc, x, y, old_fb);
 
@@ -4480,7 +5170,7 @@
 	struct drm_device *dev = crtc->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-	int palreg = (intel_crtc->pipe == 0) ? PALETTE_A : PALETTE_B;
+	int palreg = PALETTE(intel_crtc->pipe);
 	int i;
 
 	/* The clocks have to be on to load the palette. */
@@ -4489,8 +5179,7 @@
 
 	/* use legacy palette for Ironlake */
 	if (HAS_PCH_SPLIT(dev))
-		palreg = (intel_crtc->pipe == 0) ? LGC_PALETTE_A :
-						   LGC_PALETTE_B;
+		palreg = LGC_PALETTE(intel_crtc->pipe);
 
 	for (i = 0; i < 256; i++) {
 		I915_WRITE(palreg + 4 * i,
@@ -4511,12 +5200,12 @@
 	if (intel_crtc->cursor_visible == visible)
 		return;
 
-	cntl = I915_READ(CURACNTR);
+	cntl = I915_READ(_CURACNTR);
 	if (visible) {
 		/* On these chipsets we can only modify the base whilst
 		 * the cursor is disabled.
 		 */
-		I915_WRITE(CURABASE, base);
+		I915_WRITE(_CURABASE, base);
 
 		cntl &= ~(CURSOR_FORMAT_MASK);
 		/* XXX width must be 64, stride 256 => 0x00 << 28 */
@@ -4525,7 +5214,7 @@
 			CURSOR_FORMAT_ARGB;
 	} else
 		cntl &= ~(CURSOR_ENABLE | CURSOR_GAMMA_ENABLE);
-	I915_WRITE(CURACNTR, cntl);
+	I915_WRITE(_CURACNTR, cntl);
 
 	intel_crtc->cursor_visible = visible;
 }
@@ -4539,7 +5228,7 @@
 	bool visible = base != 0;
 
 	if (intel_crtc->cursor_visible != visible) {
-		uint32_t cntl = I915_READ(pipe == 0 ? CURACNTR : CURBCNTR);
+		uint32_t cntl = I915_READ(CURCNTR(pipe));
 		if (base) {
 			cntl &= ~(CURSOR_MODE | MCURSOR_PIPE_SELECT);
 			cntl |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE;
@@ -4548,12 +5237,12 @@
 			cntl &= ~(CURSOR_MODE | MCURSOR_GAMMA_ENABLE);
 			cntl |= CURSOR_MODE_DISABLE;
 		}
-		I915_WRITE(pipe == 0 ? CURACNTR : CURBCNTR, cntl);
+		I915_WRITE(CURCNTR(pipe), cntl);
 
 		intel_crtc->cursor_visible = visible;
 	}
 	/* and commit changes on next vblank */
-	I915_WRITE(pipe == 0 ? CURABASE : CURBBASE, base);
+	I915_WRITE(CURBASE(pipe), base);
 }
 
 /* If no-part of the cursor is visible on the framebuffer, then the GPU may hang... */
@@ -4603,7 +5292,7 @@
 	if (!visible && !intel_crtc->cursor_visible)
 		return;
 
-	I915_WRITE(pipe == 0 ? CURAPOS : CURBPOS, pos);
+	I915_WRITE(CURPOS(pipe), pos);
 	if (IS_845G(dev) || IS_I865G(dev))
 		i845_update_cursor(crtc, base);
 	else
@@ -4643,7 +5332,7 @@
 	}
 
 	obj = to_intel_bo(drm_gem_object_lookup(dev, file, handle));
-	if (!obj)
+	if (&obj->base == NULL)
 		return -ENOENT;
 
 	if (obj->base.size < width * height * 4) {
@@ -4909,14 +5598,14 @@
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 	int pipe = intel_crtc->pipe;
-	u32 dpll = I915_READ((pipe == 0) ? DPLL_A : DPLL_B);
+	u32 dpll = I915_READ(DPLL(pipe));
 	u32 fp;
 	intel_clock_t clock;
 
 	if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0)
-		fp = I915_READ((pipe == 0) ? FPA0 : FPB0);
+		fp = FP0(pipe);
 	else
-		fp = I915_READ((pipe == 0) ? FPA1 : FPB1);
+		fp = FP1(pipe);
 
 	clock.m1 = (fp & FP_M1_DIV_MASK) >> FP_M1_DIV_SHIFT;
 	if (IS_PINEVIEW(dev)) {
@@ -4998,10 +5687,10 @@
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 	int pipe = intel_crtc->pipe;
 	struct drm_display_mode *mode;
-	int htot = I915_READ((pipe == 0) ? HTOTAL_A : HTOTAL_B);
-	int hsync = I915_READ((pipe == 0) ? HSYNC_A : HSYNC_B);
-	int vtot = I915_READ((pipe == 0) ? VTOTAL_A : VTOTAL_B);
-	int vsync = I915_READ((pipe == 0) ? VSYNC_A : VSYNC_B);
+	int htot = I915_READ(HTOTAL(pipe));
+	int hsync = I915_READ(HSYNC(pipe));
+	int vtot = I915_READ(VTOTAL(pipe));
+	int vsync = I915_READ(VSYNC(pipe));
 
 	mode = kzalloc(sizeof(*mode), GFP_KERNEL);
 	if (!mode)
@@ -5110,7 +5799,7 @@
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 	int pipe = intel_crtc->pipe;
-	int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B;
+	int dpll_reg = DPLL(pipe);
 	int dpll = I915_READ(dpll_reg);
 
 	if (HAS_PCH_SPLIT(dev))
@@ -5158,7 +5847,6 @@
 	struct drm_device *dev = dev_priv->dev;
 	struct drm_crtc *crtc;
 	struct intel_crtc *intel_crtc;
-	int enabled = 0;
 
 	if (!i915_powersave)
 		return;
@@ -5172,16 +5860,11 @@
 		if (!crtc->fb)
 			continue;
 
-		enabled++;
 		intel_crtc = to_intel_crtc(crtc);
 		if (!intel_crtc->busy)
 			intel_decrease_pllclock(crtc);
 	}
 
-	if ((enabled == 1) && (IS_I945G(dev) || IS_I945GM(dev))) {
-		DRM_DEBUG_DRIVER("enable memory self refresh on 945\n");
-		I915_WRITE(FW_BLC_SELF, FW_BLC_SELF_EN_MASK | FW_BLC_SELF_EN);
-	}
 
 	mutex_unlock(&dev->struct_mutex);
 }
@@ -5206,17 +5889,9 @@
 	if (!drm_core_check_feature(dev, DRIVER_MODESET))
 		return;
 
-	if (!dev_priv->busy) {
-		if (IS_I945G(dev) || IS_I945GM(dev)) {
-			u32 fw_blc_self;
-
-			DRM_DEBUG_DRIVER("disable memory self refresh on 945\n");
-			fw_blc_self = I915_READ(FW_BLC_SELF);
-			fw_blc_self &= ~FW_BLC_SELF_EN;
-			I915_WRITE(FW_BLC_SELF, fw_blc_self | FW_BLC_SELF_EN_MASK);
-		}
+	if (!dev_priv->busy)
 		dev_priv->busy = true;
-	} else
+	else
 		mod_timer(&dev_priv->idle_timer, jiffies +
 			  msecs_to_jiffies(GPU_IDLE_TIMEOUT));
 
@@ -5228,14 +5903,6 @@
 		intel_fb = to_intel_framebuffer(crtc->fb);
 		if (intel_fb->obj == obj) {
 			if (!intel_crtc->busy) {
-				if (IS_I945G(dev) || IS_I945GM(dev)) {
-					u32 fw_blc_self;
-
-					DRM_DEBUG_DRIVER("disable memory self refresh on 945\n");
-					fw_blc_self = I915_READ(FW_BLC_SELF);
-					fw_blc_self &= ~FW_BLC_SELF_EN;
-					I915_WRITE(FW_BLC_SELF, fw_blc_self | FW_BLC_SELF_EN_MASK);
-				}
 				/* Non-busy -> busy, upclock */
 				intel_increase_pllclock(crtc);
 				intel_crtc->busy = true;
@@ -5513,7 +6180,7 @@
 		 * pf = I915_READ(pipe == 0 ? PFA_CTL_1 : PFB_CTL_1) & PF_ENABLE;
 		 */
 		pf = 0;
-		pipesrc = I915_READ(pipe == 0 ? PIPEASRC : PIPEBSRC) & 0x0fff0fff;
+		pipesrc = I915_READ(PIPESRC(pipe)) & 0x0fff0fff;
 		OUT_RING(pf | pipesrc);
 		break;
 
@@ -5523,8 +6190,8 @@
 		OUT_RING(fb->pitch | obj->tiling_mode);
 		OUT_RING(obj->gtt_offset);
 
-		pf = I915_READ(pipe == 0 ? PFA_CTL_1 : PFB_CTL_1) & PF_ENABLE;
-		pipesrc = I915_READ(pipe == 0 ? PIPEASRC : PIPEBSRC) & 0x0fff0fff;
+		pf = I915_READ(PF_CTL(pipe)) & PF_ENABLE;
+		pipesrc = I915_READ(PIPESRC(pipe)) & 0x0fff0fff;
 		OUT_RING(pf | pipesrc);
 		break;
 	}
@@ -5558,9 +6225,7 @@
 	/* Reset flags back to the 'unknown' status so that they
 	 * will be correctly set on the initial modeset.
 	 */
-	intel_crtc->cursor_addr = 0;
 	intel_crtc->dpms_mode = -1;
-	intel_crtc->active = true; /* force the pipe off on setup_init_config */
 }
 
 static struct drm_crtc_helper_funcs intel_helper_funcs = {
@@ -5615,22 +6280,8 @@
 	pipe = !pipe;
 
 	/* Disable the plane and wait for it to stop reading from the pipe. */
-	I915_WRITE(reg, val & ~DISPLAY_PLANE_ENABLE);
-	intel_flush_display_plane(dev, plane);
-
-	if (IS_GEN2(dev))
-		intel_wait_for_vblank(dev, pipe);
-
-	if (pipe == 0 && (dev_priv->quirks & QUIRK_PIPEA_FORCE))
-		return;
-
-	/* Switch off the pipe. */
-	reg = PIPECONF(pipe);
-	val = I915_READ(reg);
-	if (val & PIPECONF_ENABLE) {
-		I915_WRITE(reg, val & ~PIPECONF_ENABLE);
-		intel_wait_for_pipe_off(dev, pipe);
-	}
+	intel_disable_plane(dev_priv, plane, pipe);
+	intel_disable_pipe(dev_priv, pipe);
 }
 
 static void intel_crtc_init(struct drm_device *dev, int pipe)
@@ -5666,6 +6317,7 @@
 	dev_priv->pipe_to_crtc_mapping[intel_crtc->pipe] = &intel_crtc->base;
 
 	intel_crtc_reset(&intel_crtc->base);
+	intel_crtc->active = true; /* force the pipe off on setup_init_config */
 
 	if (HAS_PCH_SPLIT(dev)) {
 		intel_helper_funcs.prepare = ironlake_crtc_prepare;
@@ -5919,7 +6571,7 @@
 	int ret;
 
 	obj = to_intel_bo(drm_gem_object_lookup(dev, filp, mode_cmd->handle));
-	if (!obj)
+	if (&obj->base == NULL)
 		return ERR_PTR(-ENOENT);
 
 	intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL);
@@ -6204,7 +6856,7 @@
 	 * userspace...
 	 */
 	I915_WRITE(GEN6_RC_STATE, 0);
-	__gen6_force_wake_get(dev_priv);
+	__gen6_gt_force_wake_get(dev_priv);
 
 	/* disable the counters and set deterministic thresholds */
 	I915_WRITE(GEN6_RC_CONTROL, 0);
@@ -6241,18 +6893,18 @@
 	I915_WRITE(GEN6_RP_INTERRUPT_LIMITS,
 		   18 << 24 |
 		   6 << 16);
-	I915_WRITE(GEN6_RP_UP_THRESHOLD, 90000);
-	I915_WRITE(GEN6_RP_DOWN_THRESHOLD, 100000);
+	I915_WRITE(GEN6_RP_UP_THRESHOLD, 10000);
+	I915_WRITE(GEN6_RP_DOWN_THRESHOLD, 1000000);
 	I915_WRITE(GEN6_RP_UP_EI, 100000);
-	I915_WRITE(GEN6_RP_DOWN_EI, 300000);
+	I915_WRITE(GEN6_RP_DOWN_EI, 5000000);
 	I915_WRITE(GEN6_RP_IDLE_HYSTERSIS, 10);
 	I915_WRITE(GEN6_RP_CONTROL,
 		   GEN6_RP_MEDIA_TURBO |
 		   GEN6_RP_USE_NORMAL_FREQ |
 		   GEN6_RP_MEDIA_IS_GFX |
 		   GEN6_RP_ENABLE |
-		   GEN6_RP_UP_BUSY_MAX |
-		   GEN6_RP_DOWN_BUSY_MIN);
+		   GEN6_RP_UP_BUSY_AVG |
+		   GEN6_RP_DOWN_IDLE_CONT);
 
 	if (wait_for((I915_READ(GEN6_PCODE_MAILBOX) & GEN6_PCODE_READY) == 0,
 		     500))
@@ -6302,12 +6954,13 @@
 	/* enable all PM interrupts */
 	I915_WRITE(GEN6_PMINTRMSK, 0);
 
-	__gen6_force_wake_put(dev_priv);
+	__gen6_gt_force_wake_put(dev_priv);
 }
 
 void intel_enable_clock_gating(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
+	int pipe;
 
 	/*
 	 * Disable clock gating reported to work incorrectly according to the
@@ -6417,12 +7070,10 @@
 				   ILK_DPARB_CLK_GATE  |
 				   ILK_DPFD_CLK_GATE);
 
-			I915_WRITE(DSPACNTR,
-				   I915_READ(DSPACNTR) |
-				   DISPPLANE_TRICKLE_FEED_DISABLE);
-			I915_WRITE(DSPBCNTR,
-				   I915_READ(DSPBCNTR) |
-				   DISPPLANE_TRICKLE_FEED_DISABLE);
+			for_each_pipe(pipe)
+				I915_WRITE(DSPCNTR(pipe),
+					   I915_READ(DSPCNTR(pipe)) |
+					   DISPPLANE_TRICKLE_FEED_DISABLE);
 		}
 	} else if (IS_G4X(dev)) {
 		uint32_t dspclk_gate;
@@ -6463,29 +7114,19 @@
 	}
 }
 
-void intel_disable_clock_gating(struct drm_device *dev)
+static void ironlake_teardown_rc6(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
 
 	if (dev_priv->renderctx) {
-		struct drm_i915_gem_object *obj = dev_priv->renderctx;
-
-		I915_WRITE(CCID, 0);
-		POSTING_READ(CCID);
-
-		i915_gem_object_unpin(obj);
-		drm_gem_object_unreference(&obj->base);
+		i915_gem_object_unpin(dev_priv->renderctx);
+		drm_gem_object_unreference(&dev_priv->renderctx->base);
 		dev_priv->renderctx = NULL;
 	}
 
 	if (dev_priv->pwrctx) {
-		struct drm_i915_gem_object *obj = dev_priv->pwrctx;
-
-		I915_WRITE(PWRCTXA, 0);
-		POSTING_READ(PWRCTXA);
-
-		i915_gem_object_unpin(obj);
-		drm_gem_object_unreference(&obj->base);
+		i915_gem_object_unpin(dev_priv->pwrctx);
+		drm_gem_object_unreference(&dev_priv->pwrctx->base);
 		dev_priv->pwrctx = NULL;
 	}
 }
@@ -6494,21 +7135,39 @@
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
 
-	/* Wake the GPU, prevent RC6, then restore RSTDBYCTL */
-	I915_WRITE(RSTDBYCTL, I915_READ(RSTDBYCTL) | RCX_SW_EXIT);
-	wait_for(((I915_READ(RSTDBYCTL) & RSX_STATUS_MASK) == RSX_STATUS_ON),
-		 10);
-	POSTING_READ(CCID);
-	I915_WRITE(PWRCTXA, 0);
-	POSTING_READ(PWRCTXA);
-	I915_WRITE(RSTDBYCTL, I915_READ(RSTDBYCTL) & ~RCX_SW_EXIT);
-	POSTING_READ(RSTDBYCTL);
-	i915_gem_object_unpin(dev_priv->renderctx);
-	drm_gem_object_unreference(&dev_priv->renderctx->base);
-	dev_priv->renderctx = NULL;
-	i915_gem_object_unpin(dev_priv->pwrctx);
-	drm_gem_object_unreference(&dev_priv->pwrctx->base);
-	dev_priv->pwrctx = NULL;
+	if (I915_READ(PWRCTXA)) {
+		/* Wake the GPU, prevent RC6, then restore RSTDBYCTL */
+		I915_WRITE(RSTDBYCTL, I915_READ(RSTDBYCTL) | RCX_SW_EXIT);
+		wait_for(((I915_READ(RSTDBYCTL) & RSX_STATUS_MASK) == RSX_STATUS_ON),
+			 50);
+
+		I915_WRITE(PWRCTXA, 0);
+		POSTING_READ(PWRCTXA);
+
+		I915_WRITE(RSTDBYCTL, I915_READ(RSTDBYCTL) & ~RCX_SW_EXIT);
+		POSTING_READ(RSTDBYCTL);
+	}
+
+	ironlake_teardown_rc6(dev);
+}
+
+static int ironlake_setup_rc6(struct drm_device *dev)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+
+	if (dev_priv->renderctx == NULL)
+		dev_priv->renderctx = intel_alloc_context_page(dev);
+	if (!dev_priv->renderctx)
+		return -ENOMEM;
+
+	if (dev_priv->pwrctx == NULL)
+		dev_priv->pwrctx = intel_alloc_context_page(dev);
+	if (!dev_priv->pwrctx) {
+		ironlake_teardown_rc6(dev);
+		return -ENOMEM;
+	}
+
+	return 0;
 }
 
 void ironlake_enable_rc6(struct drm_device *dev)
@@ -6516,15 +7175,26 @@
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	int ret;
 
+	/* rc6 disabled by default due to repeated reports of hanging during
+	 * boot and resume.
+	 */
+	if (!i915_enable_rc6)
+		return;
+
+	ret = ironlake_setup_rc6(dev);
+	if (ret)
+		return;
+
 	/*
 	 * GPU can automatically power down the render unit if given a page
 	 * to save state.
 	 */
 	ret = BEGIN_LP_RING(6);
 	if (ret) {
-		ironlake_disable_rc6(dev);
+		ironlake_teardown_rc6(dev);
 		return;
 	}
+
 	OUT_RING(MI_SUSPEND_FLUSH | MI_SUSPEND_FLUSH_EN);
 	OUT_RING(MI_SET_CONTEXT);
 	OUT_RING(dev_priv->renderctx->gtt_offset |
@@ -6541,6 +7211,7 @@
 	I915_WRITE(RSTDBYCTL, I915_READ(RSTDBYCTL) & ~RCX_SW_EXIT);
 }
 
+
 /* Set up chip specific display functions */
 static void intel_init_display(struct drm_device *dev)
 {
@@ -6757,10 +7428,6 @@
 	}
 	dev->mode_config.fb_base = dev->agp->base;
 
-	if (IS_MOBILE(dev) || !IS_GEN2(dev))
-		dev_priv->num_pipe = 2;
-	else
-		dev_priv->num_pipe = 1;
 	DRM_DEBUG_KMS("%d display pipe%s available.\n",
 		      dev_priv->num_pipe, dev_priv->num_pipe > 1 ? "s" : "");
 
@@ -6783,21 +7450,9 @@
 	if (IS_GEN6(dev))
 		gen6_enable_rps(dev_priv);
 
-	if (IS_IRONLAKE_M(dev)) {
-		dev_priv->renderctx = intel_alloc_context_page(dev);
-		if (!dev_priv->renderctx)
-			goto skip_rc6;
-		dev_priv->pwrctx = intel_alloc_context_page(dev);
-		if (!dev_priv->pwrctx) {
-			i915_gem_object_unpin(dev_priv->renderctx);
-			drm_gem_object_unreference(&dev_priv->renderctx->base);
-			dev_priv->renderctx = NULL;
-			goto skip_rc6;
-		}
+	if (IS_IRONLAKE_M(dev))
 		ironlake_enable_rc6(dev);
-	}
 
-skip_rc6:
 	INIT_WORK(&dev_priv->idle_work, intel_idle_update);
 	setup_timer(&dev_priv->idle_timer, intel_gpu_idle_timer,
 		    (unsigned long)dev);
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 1f4242b..d29e33f 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -49,6 +49,7 @@
 	uint8_t  link_configuration[DP_LINK_CONFIGURATION_SIZE];
 	bool has_audio;
 	int force_audio;
+	uint32_t color_range;
 	int dpms_mode;
 	uint8_t link_bw;
 	uint8_t lane_count;
@@ -685,6 +686,7 @@
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 	int lane_count = 4, bpp = 24;
 	struct intel_dp_m_n m_n;
+	int pipe = intel_crtc->pipe;
 
 	/*
 	 * Find the lane count in the intel_encoder private
@@ -715,39 +717,19 @@
 			     mode->clock, adjusted_mode->clock, &m_n);
 
 	if (HAS_PCH_SPLIT(dev)) {
-		if (intel_crtc->pipe == 0) {
-			I915_WRITE(TRANSA_DATA_M1,
-				   ((m_n.tu - 1) << PIPE_GMCH_DATA_M_TU_SIZE_SHIFT) |
-				   m_n.gmch_m);
-			I915_WRITE(TRANSA_DATA_N1, m_n.gmch_n);
-			I915_WRITE(TRANSA_DP_LINK_M1, m_n.link_m);
-			I915_WRITE(TRANSA_DP_LINK_N1, m_n.link_n);
-		} else {
-			I915_WRITE(TRANSB_DATA_M1,
-				   ((m_n.tu - 1) << PIPE_GMCH_DATA_M_TU_SIZE_SHIFT) |
-				   m_n.gmch_m);
-			I915_WRITE(TRANSB_DATA_N1, m_n.gmch_n);
-			I915_WRITE(TRANSB_DP_LINK_M1, m_n.link_m);
-			I915_WRITE(TRANSB_DP_LINK_N1, m_n.link_n);
-		}
+		I915_WRITE(TRANSDATA_M1(pipe),
+			   ((m_n.tu - 1) << PIPE_GMCH_DATA_M_TU_SIZE_SHIFT) |
+			   m_n.gmch_m);
+		I915_WRITE(TRANSDATA_N1(pipe), m_n.gmch_n);
+		I915_WRITE(TRANSDPLINK_M1(pipe), m_n.link_m);
+		I915_WRITE(TRANSDPLINK_N1(pipe), m_n.link_n);
 	} else {
-		if (intel_crtc->pipe == 0) {
-			I915_WRITE(PIPEA_GMCH_DATA_M,
-				   ((m_n.tu - 1) << PIPE_GMCH_DATA_M_TU_SIZE_SHIFT) |
-				   m_n.gmch_m);
-			I915_WRITE(PIPEA_GMCH_DATA_N,
-				   m_n.gmch_n);
-			I915_WRITE(PIPEA_DP_LINK_M, m_n.link_m);
-			I915_WRITE(PIPEA_DP_LINK_N, m_n.link_n);
-		} else {
-			I915_WRITE(PIPEB_GMCH_DATA_M,
-				   ((m_n.tu - 1) << PIPE_GMCH_DATA_M_TU_SIZE_SHIFT) |
-				   m_n.gmch_m);
-			I915_WRITE(PIPEB_GMCH_DATA_N,
-					m_n.gmch_n);
-			I915_WRITE(PIPEB_DP_LINK_M, m_n.link_m);
-			I915_WRITE(PIPEB_DP_LINK_N, m_n.link_n);
-		}
+		I915_WRITE(PIPE_GMCH_DATA_M(pipe),
+			   ((m_n.tu - 1) << PIPE_GMCH_DATA_M_TU_SIZE_SHIFT) |
+			   m_n.gmch_m);
+		I915_WRITE(PIPE_GMCH_DATA_N(pipe), m_n.gmch_n);
+		I915_WRITE(PIPE_DP_LINK_M(pipe), m_n.link_m);
+		I915_WRITE(PIPE_DP_LINK_N(pipe), m_n.link_n);
 	}
 }
 
@@ -760,8 +742,8 @@
 	struct drm_crtc *crtc = intel_dp->base.base.crtc;
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 
-	intel_dp->DP = (DP_VOLTAGE_0_4 |
-		       DP_PRE_EMPHASIS_0);
+	intel_dp->DP = DP_VOLTAGE_0_4 | DP_PRE_EMPHASIS_0;
+	intel_dp->DP |= intel_dp->color_range;
 
 	if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
 		intel_dp->DP |= DP_SYNC_HS_HIGH;
@@ -813,6 +795,40 @@
 	}
 }
 
+static void ironlake_edp_panel_vdd_on(struct intel_dp *intel_dp)
+{
+	struct drm_device *dev = intel_dp->base.base.dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	u32 pp;
+
+	/*
+	 * If the panel wasn't on, make sure there's not a currently
+	 * active PP sequence before enabling AUX VDD.
+	 */
+	if (!(I915_READ(PCH_PP_STATUS) & PP_ON))
+		msleep(dev_priv->panel_t3);
+
+	pp = I915_READ(PCH_PP_CONTROL);
+	pp |= EDP_FORCE_VDD;
+	I915_WRITE(PCH_PP_CONTROL, pp);
+	POSTING_READ(PCH_PP_CONTROL);
+}
+
+static void ironlake_edp_panel_vdd_off(struct intel_dp *intel_dp)
+{
+	struct drm_device *dev = intel_dp->base.base.dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	u32 pp;
+
+	pp = I915_READ(PCH_PP_CONTROL);
+	pp &= ~EDP_FORCE_VDD;
+	I915_WRITE(PCH_PP_CONTROL, pp);
+	POSTING_READ(PCH_PP_CONTROL);
+
+	/* Make sure sequencer is idle before allowing subsequent activity */
+	msleep(dev_priv->panel_t12);
+}
+
 /* Returns true if the panel was already on when called */
 static bool ironlake_edp_panel_on (struct intel_dp *intel_dp)
 {
@@ -834,11 +850,6 @@
 	I915_WRITE(PCH_PP_CONTROL, pp);
 	POSTING_READ(PCH_PP_CONTROL);
 
-	/* Ouch. We need to wait here for some panels, like Dell e6510
-	 * https://bugs.freedesktop.org/show_bug.cgi?id=29278i
-	 */
-	msleep(300);
-
 	if (wait_for((I915_READ(PCH_PP_STATUS) & idle_on_mask) == idle_on_mask,
 		     5000))
 		DRM_ERROR("panel on wait timed out: 0x%08x\n",
@@ -875,11 +886,6 @@
 	pp |= PANEL_POWER_RESET; /* restore panel reset bit */
 	I915_WRITE(PCH_PP_CONTROL, pp);
 	POSTING_READ(PCH_PP_CONTROL);
-
-	/* Ouch. We need to wait here for some panels, like Dell e6510
-	 * https://bugs.freedesktop.org/show_bug.cgi?id=29278i
-	 */
-	msleep(300);
 }
 
 static void ironlake_edp_backlight_on (struct drm_device *dev)
@@ -945,7 +951,7 @@
 
 	if (is_edp(intel_dp)) {
 		ironlake_edp_backlight_off(dev);
-		ironlake_edp_panel_on(intel_dp);
+		ironlake_edp_panel_off(dev);
 		if (!is_pch_edp(intel_dp))
 			ironlake_edp_pll_on(encoder);
 		else
@@ -959,10 +965,15 @@
 	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	struct drm_device *dev = encoder->dev;
 
+	if (is_edp(intel_dp))
+		ironlake_edp_panel_vdd_on(intel_dp);
+
 	intel_dp_start_link_train(intel_dp);
 
-	if (is_edp(intel_dp))
+	if (is_edp(intel_dp)) {
 		ironlake_edp_panel_on(intel_dp);
+		ironlake_edp_panel_vdd_off(intel_dp);
+	}
 
 	intel_dp_complete_link_train(intel_dp);
 
@@ -988,9 +999,13 @@
 			ironlake_edp_pll_off(encoder);
 	} else {
 		if (is_edp(intel_dp))
-			ironlake_edp_panel_on(intel_dp);
+			ironlake_edp_panel_vdd_on(intel_dp);
 		if (!(dp_reg & DP_PORT_EN)) {
 			intel_dp_start_link_train(intel_dp);
+			if (is_edp(intel_dp)) {
+				ironlake_edp_panel_on(intel_dp);
+				ironlake_edp_panel_vdd_off(intel_dp);
+			}
 			intel_dp_complete_link_train(intel_dp);
 		}
 		if (is_edp(intel_dp))
@@ -1508,9 +1523,13 @@
 {
 	enum drm_connector_status status;
 
-	/* Can't disconnect eDP */
-	if (is_edp(intel_dp))
-		return connector_status_connected;
+	/* Can't disconnect eDP, but you can close the lid... */
+	if (is_edp(intel_dp)) {
+		status = intel_panel_detect(intel_dp->base.base.dev);
+		if (status == connector_status_unknown)
+			status = connector_status_connected;
+		return status;
+	}
 
 	status = connector_status_disconnected;
 	if (intel_dp_aux_native_read(intel_dp,
@@ -1639,11 +1658,30 @@
 	return 0;
 }
 
+static bool
+intel_dp_detect_audio(struct drm_connector *connector)
+{
+	struct intel_dp *intel_dp = intel_attached_dp(connector);
+	struct edid *edid;
+	bool has_audio = false;
+
+	edid = drm_get_edid(connector, &intel_dp->adapter);
+	if (edid) {
+		has_audio = drm_detect_monitor_audio(edid);
+
+		connector->display_info.raw_edid = NULL;
+		kfree(edid);
+	}
+
+	return has_audio;
+}
+
 static int
 intel_dp_set_property(struct drm_connector *connector,
 		      struct drm_property *property,
 		      uint64_t val)
 {
+	struct drm_i915_private *dev_priv = connector->dev->dev_private;
 	struct intel_dp *intel_dp = intel_attached_dp(connector);
 	int ret;
 
@@ -1652,17 +1690,31 @@
 		return ret;
 
 	if (property == intel_dp->force_audio_property) {
-		if (val == intel_dp->force_audio)
+		int i = val;
+		bool has_audio;
+
+		if (i == intel_dp->force_audio)
 			return 0;
 
-		intel_dp->force_audio = val;
+		intel_dp->force_audio = i;
 
-		if (val > 0 && intel_dp->has_audio)
-			return 0;
-		if (val < 0 && !intel_dp->has_audio)
+		if (i == 0)
+			has_audio = intel_dp_detect_audio(connector);
+		else
+			has_audio = i > 0;
+
+		if (has_audio == intel_dp->has_audio)
 			return 0;
 
-		intel_dp->has_audio = val > 0;
+		intel_dp->has_audio = has_audio;
+		goto done;
+	}
+
+	if (property == dev_priv->broadcast_rgb_property) {
+		if (val == !!intel_dp->color_range)
+			return 0;
+
+		intel_dp->color_range = val ? DP_COLOR_RANGE_16_235 : 0;
 		goto done;
 	}
 
@@ -1785,6 +1837,8 @@
 		intel_dp->force_audio_property->values[1] = 1;
 		drm_connector_attach_property(connector, intel_dp->force_audio_property, 0);
 	}
+
+	intel_attach_broadcast_rgb_property(connector);
 }
 
 void
@@ -1802,6 +1856,9 @@
 	if (!intel_dp)
 		return;
 
+	intel_dp->output_reg = output_reg;
+	intel_dp->dpms_mode = -1;
+
 	intel_connector = kzalloc(sizeof(struct intel_connector), GFP_KERNEL);
 	if (!intel_connector) {
 		kfree(intel_dp);
@@ -1841,10 +1898,6 @@
 	connector->interlace_allowed = true;
 	connector->doublescan_allowed = 0;
 
-	intel_dp->output_reg = output_reg;
-	intel_dp->has_audio = false;
-	intel_dp->dpms_mode = DRM_MODE_DPMS_ON;
-
 	drm_encoder_init(dev, &intel_encoder->base, &intel_dp_enc_funcs,
 			 DRM_MODE_ENCODER_TMDS);
 	drm_encoder_helper_add(&intel_encoder->base, &intel_dp_helper_funcs);
@@ -1882,21 +1935,33 @@
 	/* Cache some DPCD data in the eDP case */
 	if (is_edp(intel_dp)) {
 		int ret;
-		bool was_on;
+		u32 pp_on, pp_div;
 
-		was_on = ironlake_edp_panel_on(intel_dp);
+		pp_on = I915_READ(PCH_PP_ON_DELAYS);
+		pp_div = I915_READ(PCH_PP_DIVISOR);
+
+		/* Get T3 & T12 values (note: VESA not bspec terminology) */
+		dev_priv->panel_t3 = (pp_on & 0x1fff0000) >> 16;
+		dev_priv->panel_t3 /= 10; /* t3 in 100us units */
+		dev_priv->panel_t12 = pp_div & 0xf;
+		dev_priv->panel_t12 *= 100; /* t12 in 100ms units */
+
+		ironlake_edp_panel_vdd_on(intel_dp);
 		ret = intel_dp_aux_native_read(intel_dp, DP_DPCD_REV,
 					       intel_dp->dpcd,
 					       sizeof(intel_dp->dpcd));
+		ironlake_edp_panel_vdd_off(intel_dp);
 		if (ret == sizeof(intel_dp->dpcd)) {
 			if (intel_dp->dpcd[0] >= 0x11)
 				dev_priv->no_aux_handshake = intel_dp->dpcd[3] &
 					DP_NO_AUX_HANDSHAKE_LINK_TRAINING;
 		} else {
+			/* if this fails, presume the device is a ghost */
 			DRM_ERROR("failed to retrieve link info\n");
+			intel_dp_destroy(&intel_connector->base);
+			intel_dp_encoder_destroy(&intel_dp->base.base);
+			return;
 		}
-		if (!was_on)
-			ironlake_edp_panel_off(dev);
 	}
 
 	intel_encoder->hot_plug = intel_dp_hot_plug;
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 74db255..5daa991 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -217,6 +217,13 @@
 	return dev_priv->pipe_to_crtc_mapping[pipe];
 }
 
+static inline struct drm_crtc *
+intel_get_crtc_for_plane(struct drm_device *dev, int plane)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	return dev_priv->plane_to_crtc_mapping[plane];
+}
+
 struct intel_unpin_work {
 	struct work_struct work;
 	struct drm_device *dev;
@@ -230,6 +237,8 @@
 int intel_ddc_get_modes(struct drm_connector *c, struct i2c_adapter *adapter);
 extern bool intel_ddc_probe(struct intel_encoder *intel_encoder, int ddc_bus);
 
+extern void intel_attach_broadcast_rgb_property(struct drm_connector *connector);
+
 extern void intel_crt_init(struct drm_device *dev);
 extern void intel_hdmi_init(struct drm_device *dev, int sdvox_reg);
 void intel_dip_infoframe_csum(struct dip_infoframe *avi_if);
@@ -260,6 +269,7 @@
 extern void intel_panel_setup_backlight(struct drm_device *dev);
 extern void intel_panel_enable_backlight(struct drm_device *dev);
 extern void intel_panel_disable_backlight(struct drm_device *dev);
+extern enum drm_connector_status intel_panel_detect(struct drm_device *dev);
 
 extern void intel_crtc_load_lut(struct drm_crtc *crtc);
 extern void intel_encoder_prepare (struct drm_encoder *encoder);
@@ -298,7 +308,6 @@
 extern void intel_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
 				    u16 *blue, int regno);
 extern void intel_enable_clock_gating(struct drm_device *dev);
-extern void intel_disable_clock_gating(struct drm_device *dev);
 extern void ironlake_enable_drps(struct drm_device *dev);
 extern void ironlake_disable_drps(struct drm_device *dev);
 extern void gen6_enable_rps(struct drm_i915_private *dev_priv);
@@ -322,8 +331,7 @@
 
 extern void intel_setup_overlay(struct drm_device *dev);
 extern void intel_cleanup_overlay(struct drm_device *dev);
-extern int intel_overlay_switch_off(struct intel_overlay *overlay,
-				    bool interruptible);
+extern int intel_overlay_switch_off(struct intel_overlay *overlay);
 extern int intel_overlay_put_image(struct drm_device *dev, void *data,
 				   struct drm_file *file_priv);
 extern int intel_overlay_attrs(struct drm_device *dev, void *data,
diff --git a/drivers/gpu/drm/i915/intel_dvo.c b/drivers/gpu/drm/i915/intel_dvo.c
index ea37328..6eda1b5 100644
--- a/drivers/gpu/drm/i915/intel_dvo.c
+++ b/drivers/gpu/drm/i915/intel_dvo.c
@@ -178,7 +178,7 @@
 	int pipe = intel_crtc->pipe;
 	u32 dvo_val;
 	u32 dvo_reg = intel_dvo->dev.dvo_reg, dvo_srcdim_reg;
-	int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B;
+	int dpll_reg = DPLL(pipe);
 
 	switch (dvo_reg) {
 	case DVOA:
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 0d0273e..f289b86 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -41,6 +41,7 @@
 	struct intel_encoder base;
 	u32 sdvox_reg;
 	int ddc_bus;
+	uint32_t color_range;
 	bool has_hdmi_sink;
 	bool has_audio;
 	int force_audio;
@@ -124,6 +125,7 @@
 	u32 sdvox;
 
 	sdvox = SDVO_ENCODING_HDMI | SDVO_BORDER_ENABLE;
+	sdvox |= intel_hdmi->color_range;
 	if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
 		sdvox |= SDVO_VSYNC_ACTIVE_HIGH;
 	if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
@@ -251,12 +253,34 @@
 				   &dev_priv->gmbus[intel_hdmi->ddc_bus].adapter);
 }
 
+static bool
+intel_hdmi_detect_audio(struct drm_connector *connector)
+{
+	struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector);
+	struct drm_i915_private *dev_priv = connector->dev->dev_private;
+	struct edid *edid;
+	bool has_audio = false;
+
+	edid = drm_get_edid(connector,
+			    &dev_priv->gmbus[intel_hdmi->ddc_bus].adapter);
+	if (edid) {
+		if (edid->input & DRM_EDID_INPUT_DIGITAL)
+			has_audio = drm_detect_monitor_audio(edid);
+
+		connector->display_info.raw_edid = NULL;
+		kfree(edid);
+	}
+
+	return has_audio;
+}
+
 static int
 intel_hdmi_set_property(struct drm_connector *connector,
 		      struct drm_property *property,
 		      uint64_t val)
 {
 	struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector);
+	struct drm_i915_private *dev_priv = connector->dev->dev_private;
 	int ret;
 
 	ret = drm_connector_property_set_value(connector, property, val);
@@ -264,17 +288,31 @@
 		return ret;
 
 	if (property == intel_hdmi->force_audio_property) {
-		if (val == intel_hdmi->force_audio)
+		int i = val;
+		bool has_audio;
+
+		if (i == intel_hdmi->force_audio)
 			return 0;
 
-		intel_hdmi->force_audio = val;
+		intel_hdmi->force_audio = i;
 
-		if (val > 0 && intel_hdmi->has_audio)
-			return 0;
-		if (val < 0 && !intel_hdmi->has_audio)
+		if (i == 0)
+			has_audio = intel_hdmi_detect_audio(connector);
+		else
+			has_audio = i > 0;
+
+		if (has_audio == intel_hdmi->has_audio)
 			return 0;
 
-		intel_hdmi->has_audio = val > 0;
+		intel_hdmi->has_audio = has_audio;
+		goto done;
+	}
+
+	if (property == dev_priv->broadcast_rgb_property) {
+		if (val == !!intel_hdmi->color_range)
+			return 0;
+
+		intel_hdmi->color_range = val ? SDVO_COLOR_RANGE_16_235 : 0;
 		goto done;
 	}
 
@@ -336,6 +374,8 @@
 		intel_hdmi->force_audio_property->values[1] = 1;
 		drm_connector_attach_property(connector, intel_hdmi->force_audio_property, 0);
 	}
+
+	intel_attach_broadcast_rgb_property(connector);
 }
 
 void intel_hdmi_init(struct drm_device *dev, int sdvox_reg)
diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c
index 58040f6..82d04c5 100644
--- a/drivers/gpu/drm/i915/intel_i2c.c
+++ b/drivers/gpu/drm/i915/intel_i2c.c
@@ -384,7 +384,8 @@
 		bus->reg0 = i | GMBUS_RATE_100KHZ;
 
 		/* XXX force bit banging until GMBUS is fully debugged */
-		bus->force_bit = intel_gpio_create(dev_priv, i);
+		if (IS_GEN2(dev))
+			bus->force_bit = intel_gpio_create(dev_priv, i);
 	}
 
 	intel_i2c_reset(dev_priv->dev);
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index ace8d5d..1a311ad 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -231,6 +231,7 @@
 	struct intel_lvds *intel_lvds = to_intel_lvds(encoder);
 	struct drm_encoder *tmp_encoder;
 	u32 pfit_control = 0, pfit_pgm_ratios = 0, border = 0;
+	int pipe;
 
 	/* Should never happen!! */
 	if (INTEL_INFO(dev)->gen < 4 && intel_crtc->pipe == 0) {
@@ -261,12 +262,6 @@
 		return true;
 	}
 
-	/* Make sure pre-965s set dither correctly */
-	if (INTEL_INFO(dev)->gen < 4) {
-		if (dev_priv->lvds_dither)
-			pfit_control |= PANEL_8TO6_DITHER_ENABLE;
-	}
-
 	/* Native modes don't need fitting */
 	if (adjusted_mode->hdisplay == mode->hdisplay &&
 	    adjusted_mode->vdisplay == mode->vdisplay)
@@ -283,8 +278,8 @@
 	 * to register description and PRM.
 	 * Change the value here to see the borders for debugging
 	 */
-	I915_WRITE(BCLRPAT_A, 0);
-	I915_WRITE(BCLRPAT_B, 0);
+	for_each_pipe(pipe)
+		I915_WRITE(BCLRPAT(pipe), 0);
 
 	switch (intel_lvds->fitting_mode) {
 	case DRM_MODE_SCALE_CENTER:
@@ -374,10 +369,16 @@
 	}
 
 out:
+	/* If not enabling scaling, be consistent and always use 0. */
 	if ((pfit_control & PFIT_ENABLE) == 0) {
 		pfit_control = 0;
 		pfit_pgm_ratios = 0;
 	}
+
+	/* Make sure pre-965 set dither correctly */
+	if (INTEL_INFO(dev)->gen < 4 && dev_priv->lvds_dither)
+		pfit_control |= PANEL_8TO6_DITHER_ENABLE;
+
 	if (pfit_control != intel_lvds->pfit_control ||
 	    pfit_pgm_ratios != intel_lvds->pfit_pgm_ratios) {
 		intel_lvds->pfit_control = pfit_control;
@@ -474,6 +475,10 @@
 	struct drm_device *dev = connector->dev;
 	enum drm_connector_status status = connector_status_connected;
 
+	status = intel_panel_detect(dev);
+	if (status != connector_status_unknown)
+		return status;
+
 	/* ACPI lid methods were generally unreliable in this generation, so
 	 * don't even bother.
 	 */
@@ -496,7 +501,7 @@
 		return drm_add_edid_modes(connector, intel_lvds->edid);
 
 	mode = drm_mode_duplicate(dev, intel_lvds->fixed_mode);
-	if (mode == 0)
+	if (mode == NULL)
 		return 0;
 
 	drm_mode_probed_add(connector, mode);
diff --git a/drivers/gpu/drm/i915/intel_modes.c b/drivers/gpu/drm/i915/intel_modes.c
index f70b7cf..9034dd8f 100644
--- a/drivers/gpu/drm/i915/intel_modes.c
+++ b/drivers/gpu/drm/i915/intel_modes.c
@@ -80,3 +80,33 @@
 
 	return ret;
 }
+
+static const char *broadcast_rgb_names[] = {
+	"Full",
+	"Limited 16:235",
+};
+
+void
+intel_attach_broadcast_rgb_property(struct drm_connector *connector)
+{
+	struct drm_device *dev = connector->dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct drm_property *prop;
+	int i;
+
+	prop = dev_priv->broadcast_rgb_property;
+	if (prop == NULL) {
+		prop = drm_property_create(dev, DRM_MODE_PROP_ENUM,
+					   "Broadcast RGB",
+					   ARRAY_SIZE(broadcast_rgb_names));
+		if (prop == NULL)
+			return;
+
+		for (i = 0; i < ARRAY_SIZE(broadcast_rgb_names); i++)
+			drm_property_add_enum(prop, i, i, broadcast_rgb_names[i]);
+
+		dev_priv->broadcast_rgb_property = prop;
+	}
+
+	drm_connector_attach_property(connector, prop, 0);
+}
diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c
index 64fd644..d2c7104 100644
--- a/drivers/gpu/drm/i915/intel_opregion.c
+++ b/drivers/gpu/drm/i915/intel_opregion.c
@@ -39,6 +39,8 @@
 
 #define OPREGION_HEADER_OFFSET 0
 #define OPREGION_ACPI_OFFSET   0x100
+#define   ACPI_CLID 0x01ac /* current lid state indicator */
+#define   ACPI_CDCK 0x01b0 /* current docking state indicator */
 #define OPREGION_SWSCI_OFFSET  0x200
 #define OPREGION_ASLE_OFFSET   0x300
 #define OPREGION_VBT_OFFSET    0x400
@@ -489,6 +491,8 @@
 	opregion->header = base;
 	opregion->vbt = base + OPREGION_VBT_OFFSET;
 
+	opregion->lid_state = base + ACPI_CLID;
+
 	mboxes = opregion->header->mboxes;
 	if (mboxes & MBOX_ACPI) {
 		DRM_DEBUG_DRIVER("Public ACPI methods supported\n");
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c
index 3fbb98b..a670c00 100644
--- a/drivers/gpu/drm/i915/intel_overlay.c
+++ b/drivers/gpu/drm/i915/intel_overlay.c
@@ -213,7 +213,6 @@
 
 static int intel_overlay_do_wait_request(struct intel_overlay *overlay,
 					 struct drm_i915_gem_request *request,
-					 bool interruptible,
 					 void (*tail)(struct intel_overlay *))
 {
 	struct drm_device *dev = overlay->dev;
@@ -221,16 +220,14 @@
 	int ret;
 
 	BUG_ON(overlay->last_flip_req);
-	ret = i915_add_request(dev, NULL, request, LP_RING(dev_priv));
+	ret = i915_add_request(LP_RING(dev_priv), NULL, request);
 	if (ret) {
 	    kfree(request);
 	    return ret;
 	}
 	overlay->last_flip_req = request->seqno;
 	overlay->flip_tail = tail;
-	ret = i915_do_wait_request(dev,
-				   overlay->last_flip_req, true,
-				   LP_RING(dev_priv));
+	ret = i915_wait_request(LP_RING(dev_priv), overlay->last_flip_req);
 	if (ret)
 		return ret;
 
@@ -256,7 +253,7 @@
 		return 0;
 
 	/* most i8xx have pipe a forced on, so don't trust dpms mode */
-	if (I915_READ(PIPEACONF) & PIPECONF_ENABLE)
+	if (I915_READ(_PIPEACONF) & PIPECONF_ENABLE)
 		return 0;
 
 	crtc_funcs = crtc->base.helper_private;
@@ -322,7 +319,7 @@
 	OUT_RING(MI_NOOP);
 	ADVANCE_LP_RING();
 
-	ret = intel_overlay_do_wait_request(overlay, request, true, NULL);
+	ret = intel_overlay_do_wait_request(overlay, request, NULL);
 out:
 	if (pipe_a_quirk)
 		i830_deactivate_pipe_a(dev);
@@ -364,7 +361,7 @@
 	OUT_RING(flip_addr);
         ADVANCE_LP_RING();
 
-	ret = i915_add_request(dev, NULL, request, LP_RING(dev_priv));
+	ret = i915_add_request(LP_RING(dev_priv), NULL, request);
 	if (ret) {
 		kfree(request);
 		return ret;
@@ -401,8 +398,7 @@
 }
 
 /* overlay needs to be disabled in OCMD reg */
-static int intel_overlay_off(struct intel_overlay *overlay,
-			     bool interruptible)
+static int intel_overlay_off(struct intel_overlay *overlay)
 {
 	struct drm_device *dev = overlay->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
@@ -437,14 +433,13 @@
 	OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
 	ADVANCE_LP_RING();
 
-	return intel_overlay_do_wait_request(overlay, request, interruptible,
+	return intel_overlay_do_wait_request(overlay, request,
 					     intel_overlay_off_tail);
 }
 
 /* recover from an interruption due to a signal
  * We have to be careful not to repeat work forever an make forward progess. */
-static int intel_overlay_recover_from_interrupt(struct intel_overlay *overlay,
-						bool interruptible)
+static int intel_overlay_recover_from_interrupt(struct intel_overlay *overlay)
 {
 	struct drm_device *dev = overlay->dev;
 	drm_i915_private_t *dev_priv = dev->dev_private;
@@ -453,8 +448,7 @@
 	if (overlay->last_flip_req == 0)
 		return 0;
 
-	ret = i915_do_wait_request(dev, overlay->last_flip_req,
-				   interruptible, LP_RING(dev_priv));
+	ret = i915_wait_request(LP_RING(dev_priv), overlay->last_flip_req);
 	if (ret)
 		return ret;
 
@@ -499,7 +493,7 @@
 		OUT_RING(MI_NOOP);
 		ADVANCE_LP_RING();
 
-		ret = intel_overlay_do_wait_request(overlay, request, true,
+		ret = intel_overlay_do_wait_request(overlay, request,
 						    intel_overlay_release_old_vid_tail);
 		if (ret)
 			return ret;
@@ -868,8 +862,7 @@
 	return ret;
 }
 
-int intel_overlay_switch_off(struct intel_overlay *overlay,
-			     bool interruptible)
+int intel_overlay_switch_off(struct intel_overlay *overlay)
 {
 	struct overlay_registers *regs;
 	struct drm_device *dev = overlay->dev;
@@ -878,7 +871,7 @@
 	BUG_ON(!mutex_is_locked(&dev->struct_mutex));
 	BUG_ON(!mutex_is_locked(&dev->mode_config.mutex));
 
-	ret = intel_overlay_recover_from_interrupt(overlay, interruptible);
+	ret = intel_overlay_recover_from_interrupt(overlay);
 	if (ret != 0)
 		return ret;
 
@@ -893,7 +886,7 @@
 	regs->OCMD = 0;
 	intel_overlay_unmap_regs(overlay, regs);
 
-	ret = intel_overlay_off(overlay, interruptible);
+	ret = intel_overlay_off(overlay);
 	if (ret != 0)
 		return ret;
 
@@ -1135,7 +1128,7 @@
 		mutex_lock(&dev->mode_config.mutex);
 		mutex_lock(&dev->struct_mutex);
 
-		ret = intel_overlay_switch_off(overlay, true);
+		ret = intel_overlay_switch_off(overlay);
 
 		mutex_unlock(&dev->struct_mutex);
 		mutex_unlock(&dev->mode_config.mutex);
@@ -1157,7 +1150,7 @@
 
 	new_bo = to_intel_bo(drm_gem_object_lookup(dev, file_priv,
 						   put_image_rec->bo_handle));
-	if (!new_bo) {
+	if (&new_bo->base == NULL) {
 		ret = -ENOENT;
 		goto out_free;
 	}
@@ -1171,13 +1164,13 @@
 		goto out_unlock;
 	}
 
-	ret = intel_overlay_recover_from_interrupt(overlay, true);
+	ret = intel_overlay_recover_from_interrupt(overlay);
 	if (ret != 0)
 		goto out_unlock;
 
 	if (overlay->crtc != crtc) {
 		struct drm_display_mode *mode = &crtc->base.mode;
-		ret = intel_overlay_switch_off(overlay, true);
+		ret = intel_overlay_switch_off(overlay);
 		if (ret != 0)
 			goto out_unlock;
 
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index c65992d..18391b3 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -30,8 +30,6 @@
 
 #include "intel_drv.h"
 
-#define PCI_LBPC 0xf4 /* legacy/combination backlight modes */
-
 void
 intel_fixed_panel_mode(struct drm_display_mode *fixed_mode,
 		       struct drm_display_mode *adjusted_mode)
@@ -112,19 +110,6 @@
 	dev_priv->pch_pf_size = (width << 16) | height;
 }
 
-static int is_backlight_combination_mode(struct drm_device *dev)
-{
-	struct drm_i915_private *dev_priv = dev->dev_private;
-
-	if (INTEL_INFO(dev)->gen >= 4)
-		return I915_READ(BLC_PWM_CTL2) & BLM_COMBINATION_MODE;
-
-	if (IS_GEN2(dev))
-		return I915_READ(BLC_PWM_CTL) & BLM_LEGACY_MODE;
-
-	return 0;
-}
-
 static u32 i915_read_blc_pwm_ctl(struct drm_i915_private *dev_priv)
 {
 	u32 val;
@@ -181,9 +166,6 @@
 			if (INTEL_INFO(dev)->gen < 4)
 				max &= ~1;
 		}
-
-		if (is_backlight_combination_mode(dev))
-			max *= 0xff;
 	}
 
 	DRM_DEBUG_DRIVER("max backlight PWM = %d\n", max);
@@ -201,15 +183,6 @@
 		val = I915_READ(BLC_PWM_CTL) & BACKLIGHT_DUTY_CYCLE_MASK;
 		if (IS_PINEVIEW(dev))
 			val >>= 1;
-
-		if (is_backlight_combination_mode(dev)){
-			u8 lbpc;
-
-			val &= ~1;
-			pci_read_config_byte(dev->pdev, PCI_LBPC, &lbpc);
-			val *= lbpc;
-			val >>= 1;
-		}
 	}
 
 	DRM_DEBUG_DRIVER("get backlight PWM = %d\n", val);
@@ -232,16 +205,6 @@
 
 	if (HAS_PCH_SPLIT(dev))
 		return intel_pch_panel_set_backlight(dev, level);
-
-	if (is_backlight_combination_mode(dev)){
-		u32 max = intel_panel_get_max_backlight(dev);
-		u8 lpbc;
-
-		lpbc = level * 0xfe / max + 1;
-		level /= lpbc;
-		pci_write_config_byte(dev->pdev, PCI_LBPC, lpbc);
-	}
-
 	tmp = I915_READ(BLC_PWM_CTL);
 	if (IS_PINEVIEW(dev)) {
 		tmp &= ~(BACKLIGHT_DUTY_CYCLE_MASK - 1);
@@ -281,3 +244,22 @@
 	dev_priv->backlight_level = intel_panel_get_backlight(dev);
 	dev_priv->backlight_enabled = dev_priv->backlight_level != 0;
 }
+
+enum drm_connector_status
+intel_panel_detect(struct drm_device *dev)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+
+	if (i915_panel_ignore_lid)
+		return i915_panel_ignore_lid > 0 ?
+			connector_status_connected :
+			connector_status_disconnected;
+
+	/* Assume that the BIOS does not lie through the OpRegion... */
+	if (dev_priv->opregion.lid_state)
+		return ioread32(dev_priv->opregion.lid_state) & 0x1 ?
+			connector_status_connected :
+			connector_status_disconnected;
+
+	return connector_status_unknown;
+}
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 6218fa9..789c478 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -62,18 +62,9 @@
 		  u32	flush_domains)
 {
 	struct drm_device *dev = ring->dev;
-	drm_i915_private_t *dev_priv = dev->dev_private;
 	u32 cmd;
 	int ret;
 
-#if WATCH_EXEC
-	DRM_INFO("%s: invalidate %08x flush %08x\n", __func__,
-		  invalidate_domains, flush_domains);
-#endif
-
-	trace_i915_gem_request_flush(dev, dev_priv->next_seqno,
-				     invalidate_domains, flush_domains);
-
 	if ((invalidate_domains | flush_domains) & I915_GEM_GPU_DOMAINS) {
 		/*
 		 * read/write caches:
@@ -122,9 +113,6 @@
 		    (IS_G4X(dev) || IS_GEN5(dev)))
 			cmd |= MI_INVALIDATE_ISP;
 
-#if WATCH_EXEC
-		DRM_INFO("%s: queue flush %08x to ring\n", __func__, cmd);
-#endif
 		ret = intel_ring_begin(ring, 2);
 		if (ret)
 			return ret;
@@ -612,7 +600,6 @@
 	intel_ring_emit(ring, MI_USER_INTERRUPT);
 	intel_ring_advance(ring);
 
-	DRM_DEBUG_DRIVER("%s %d\n", ring->name, seqno);
 	*result = seqno;
 	return 0;
 }
@@ -715,11 +702,8 @@
 				u32 offset, u32 len)
 {
 	struct drm_device *dev = ring->dev;
-	drm_i915_private_t *dev_priv = dev->dev_private;
 	int ret;
 
-	trace_i915_gem_request_submit(dev, dev_priv->next_seqno + 1);
-
 	if (IS_I830(dev) || IS_845G(dev)) {
 		ret = intel_ring_begin(ring, 4);
 		if (ret)
@@ -894,6 +878,10 @@
 	/* Disable the ring buffer. The ring must be idle at this point */
 	dev_priv = ring->dev->dev_private;
 	ret = intel_wait_ring_buffer(ring, ring->size - 8);
+	if (ret)
+		DRM_ERROR("failed to quiesce %s whilst cleaning up: %d\n",
+			  ring->name, ret);
+
 	I915_WRITE_CTL(ring, 0);
 
 	drm_core_ioremapfree(&ring->map, ring->dev);
@@ -950,13 +938,13 @@
 			return 0;
 	}
 
-	trace_i915_ring_wait_begin (dev);
+	trace_i915_ring_wait_begin(ring);
 	end = jiffies + 3 * HZ;
 	do {
 		ring->head = I915_READ_HEAD(ring);
 		ring->space = ring_space(ring);
 		if (ring->space >= n) {
-			trace_i915_ring_wait_end(dev);
+			trace_i915_ring_wait_end(ring);
 			return 0;
 		}
 
@@ -970,16 +958,20 @@
 		if (atomic_read(&dev_priv->mm.wedged))
 			return -EAGAIN;
 	} while (!time_after(jiffies, end));
-	trace_i915_ring_wait_end (dev);
+	trace_i915_ring_wait_end(ring);
 	return -EBUSY;
 }
 
 int intel_ring_begin(struct intel_ring_buffer *ring,
 		     int num_dwords)
 {
+	struct drm_i915_private *dev_priv = ring->dev->dev_private;
 	int n = 4*num_dwords;
 	int ret;
 
+	if (unlikely(atomic_read(&dev_priv->mm.wedged)))
+		return -EIO;
+
 	if (unlikely(ring->tail + n > ring->effective_size)) {
 		ret = intel_wrap_ring_buffer(ring);
 		if (unlikely(ret))
@@ -1059,22 +1051,25 @@
 }
 
 static int gen6_ring_flush(struct intel_ring_buffer *ring,
-			   u32 invalidate_domains,
-			   u32 flush_domains)
+			   u32 invalidate, u32 flush)
 {
+	uint32_t cmd;
 	int ret;
 
-	if ((flush_domains & I915_GEM_DOMAIN_RENDER) == 0)
+	if (((invalidate | flush) & I915_GEM_GPU_DOMAINS) == 0)
 		return 0;
 
 	ret = intel_ring_begin(ring, 4);
 	if (ret)
 		return ret;
 
-	intel_ring_emit(ring, MI_FLUSH_DW);
+	cmd = MI_FLUSH_DW;
+	if (invalidate & I915_GEM_GPU_DOMAINS)
+		cmd |= MI_INVALIDATE_TLB | MI_INVALIDATE_BSD;
+	intel_ring_emit(ring, cmd);
 	intel_ring_emit(ring, 0);
 	intel_ring_emit(ring, 0);
-	intel_ring_emit(ring, 0);
+	intel_ring_emit(ring, MI_NOOP);
 	intel_ring_advance(ring);
 	return 0;
 }
@@ -1230,22 +1225,25 @@
 }
 
 static int blt_ring_flush(struct intel_ring_buffer *ring,
-			   u32 invalidate_domains,
-			   u32 flush_domains)
+			  u32 invalidate, u32 flush)
 {
+	uint32_t cmd;
 	int ret;
 
-	if ((flush_domains & I915_GEM_DOMAIN_RENDER) == 0)
+	if (((invalidate | flush) & I915_GEM_DOMAIN_RENDER) == 0)
 		return 0;
 
 	ret = blt_ring_begin(ring, 4);
 	if (ret)
 		return ret;
 
-	intel_ring_emit(ring, MI_FLUSH_DW);
+	cmd = MI_FLUSH_DW;
+	if (invalidate & I915_GEM_DOMAIN_RENDER)
+		cmd |= MI_INVALIDATE_TLB;
+	intel_ring_emit(ring, cmd);
 	intel_ring_emit(ring, 0);
 	intel_ring_emit(ring, 0);
-	intel_ring_emit(ring, 0);
+	intel_ring_emit(ring, MI_NOOP);
 	intel_ring_advance(ring);
 	return 0;
 }
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
index 6d6fde8..f23cc5f 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -14,22 +14,23 @@
 	struct		drm_i915_gem_object *obj;
 };
 
-#define I915_RING_READ(reg) i915_safe_read(dev_priv, reg)
+#define I915_RING_READ(reg) i915_gt_read(dev_priv, reg)
+#define I915_RING_WRITE(reg, val) i915_gt_write(dev_priv, reg, val)
 
 #define I915_READ_TAIL(ring) I915_RING_READ(RING_TAIL((ring)->mmio_base))
-#define I915_WRITE_TAIL(ring, val) I915_WRITE(RING_TAIL((ring)->mmio_base), val)
+#define I915_WRITE_TAIL(ring, val) I915_RING_WRITE(RING_TAIL((ring)->mmio_base), val)
 
 #define I915_READ_START(ring) I915_RING_READ(RING_START((ring)->mmio_base))
-#define I915_WRITE_START(ring, val) I915_WRITE(RING_START((ring)->mmio_base), val)
+#define I915_WRITE_START(ring, val) I915_RING_WRITE(RING_START((ring)->mmio_base), val)
 
 #define I915_READ_HEAD(ring)  I915_RING_READ(RING_HEAD((ring)->mmio_base))
-#define I915_WRITE_HEAD(ring, val) I915_WRITE(RING_HEAD((ring)->mmio_base), val)
+#define I915_WRITE_HEAD(ring, val) I915_RING_WRITE(RING_HEAD((ring)->mmio_base), val)
 
 #define I915_READ_CTL(ring) I915_RING_READ(RING_CTL((ring)->mmio_base))
-#define I915_WRITE_CTL(ring, val) I915_WRITE(RING_CTL((ring)->mmio_base), val)
+#define I915_WRITE_CTL(ring, val) I915_RING_WRITE(RING_CTL((ring)->mmio_base), val)
 
-#define I915_WRITE_IMR(ring, val) I915_WRITE(RING_IMR((ring)->mmio_base), val)
 #define I915_READ_IMR(ring) I915_RING_READ(RING_IMR((ring)->mmio_base))
+#define I915_WRITE_IMR(ring, val) I915_RING_WRITE(RING_IMR((ring)->mmio_base), val)
 
 #define I915_READ_NOPID(ring) I915_RING_READ(RING_NOPID((ring)->mmio_base))
 #define I915_READ_SYNC_0(ring) I915_RING_READ(RING_SYNC_0((ring)->mmio_base))
@@ -43,7 +44,7 @@
 		RING_BLT = 0x4,
 	} id;
 	u32		mmio_base;
-	void		*virtual_start;
+	void		__iomem *virtual_start;
 	struct		drm_device *dev;
 	struct		drm_i915_gem_object *obj;
 
@@ -58,6 +59,7 @@
 	u32		irq_refcount;
 	u32		irq_mask;
 	u32		irq_seqno;		/* last seq seem at irq time */
+	u32		trace_irq_seqno;
 	u32		waiting_seqno;
 	u32		sync_seqno[I915_NUM_RINGS-1];
 	bool __must_check (*irq_get)(struct intel_ring_buffer *ring);
@@ -141,6 +143,26 @@
 	return ioread32(ring->status_page.page_addr + reg);
 }
 
+/**
+ * Reads a dword out of the status page, which is written to from the command
+ * queue by automatic updates, MI_REPORT_HEAD, MI_STORE_DATA_INDEX, or
+ * MI_STORE_DATA_IMM.
+ *
+ * The following dwords have a reserved meaning:
+ * 0x00: ISR copy, updated when an ISR bit not set in the HWSTAM changes.
+ * 0x04: ring 0 head pointer
+ * 0x05: ring 1 head pointer (915-class)
+ * 0x06: ring 2 head pointer (915-class)
+ * 0x10-0x1b: Context status DWords (GM45)
+ * 0x1f: Last written status offset. (GM45)
+ *
+ * The area from dword 0x20 to 0x3ff is available for driver usage.
+ */
+#define READ_HWSP(dev_priv, reg) intel_read_status_page(LP_RING(dev_priv), reg)
+#define READ_BREADCRUMB(dev_priv) READ_HWSP(dev_priv, I915_BREADCRUMB_INDEX)
+#define I915_GEM_HWS_INDEX		0x20
+#define I915_BREADCRUMB_INDEX		0x21
+
 void intel_cleanup_ring_buffer(struct intel_ring_buffer *ring);
 int __must_check intel_wait_ring_buffer(struct intel_ring_buffer *ring, int n);
 int __must_check intel_ring_begin(struct intel_ring_buffer *ring, int n);
@@ -166,6 +188,12 @@
 u32 intel_ring_get_active_head(struct intel_ring_buffer *ring);
 void intel_ring_setup_status_page(struct intel_ring_buffer *ring);
 
+static inline void i915_trace_irq_get(struct intel_ring_buffer *ring, u32 seqno)
+{
+	if (ring->trace_irq_seqno == 0 && ring->irq_get(ring))
+		ring->trace_irq_seqno = seqno;
+}
+
 /* DRI warts */
 int intel_render_ring_init_dri(struct drm_device *dev, u64 start, u32 size);
 
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 318f398..4324f33 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -46,6 +46,7 @@
                          SDVO_TV_MASK)
 
 #define IS_TV(c)	(c->output_flag & SDVO_TV_MASK)
+#define IS_TMDS(c)	(c->output_flag & SDVO_TMDS_MASK)
 #define IS_LVDS(c)	(c->output_flag & SDVO_LVDS_MASK)
 #define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
 
@@ -92,6 +93,12 @@
 	uint16_t attached_output;
 
 	/**
+	 * This is used to select the color range of RBG outputs in HDMI mode.
+	 * It is only valid when using TMDS encoding and 8 bit per color mode.
+	 */
+	uint32_t color_range;
+
+	/**
 	 * This is set if we're going to treat the device as TV-out.
 	 *
 	 * While we have these nice friendly flags for output types that ought
@@ -584,6 +591,7 @@
 {
 	struct intel_sdvo_get_trained_inputs_response response;
 
+	BUILD_BUG_ON(sizeof(response) != 1);
 	if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS,
 				  &response, sizeof(response)))
 		return false;
@@ -631,6 +639,7 @@
 {
 	struct intel_sdvo_pixel_clock_range clocks;
 
+	BUILD_BUG_ON(sizeof(clocks) != 4);
 	if (!intel_sdvo_get_value(intel_sdvo,
 				  SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
 				  &clocks, sizeof(clocks)))
@@ -698,6 +707,8 @@
 static bool intel_sdvo_get_preferred_input_timing(struct intel_sdvo *intel_sdvo,
 						  struct intel_sdvo_dtd *dtd)
 {
+	BUILD_BUG_ON(sizeof(dtd->part1) != 8);
+	BUILD_BUG_ON(sizeof(dtd->part2) != 8);
 	return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
 				    &dtd->part1, sizeof(dtd->part1)) &&
 		intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
@@ -795,6 +806,7 @@
 {
 	struct intel_sdvo_encode encode;
 
+	BUILD_BUG_ON(sizeof(encode) != 2);
 	return intel_sdvo_get_value(intel_sdvo,
 				  SDVO_CMD_GET_SUPP_ENCODE,
 				  &encode, sizeof(encode));
@@ -1050,6 +1062,8 @@
 	/* Set the SDVO control regs. */
 	if (INTEL_INFO(dev)->gen >= 4) {
 		sdvox = 0;
+		if (intel_sdvo->is_hdmi)
+			sdvox |= intel_sdvo->color_range;
 		if (INTEL_INFO(dev)->gen < 5)
 			sdvox |= SDVO_BORDER_ENABLE;
 		if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
@@ -1161,6 +1175,7 @@
 
 static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct intel_sdvo_caps *caps)
 {
+	BUILD_BUG_ON(sizeof(*caps) != 8);
 	if (!intel_sdvo_get_value(intel_sdvo,
 				  SDVO_CMD_GET_DEVICE_CAPS,
 				  caps, sizeof(*caps)))
@@ -1267,33 +1282,9 @@
 static bool
 intel_sdvo_multifunc_encoder(struct intel_sdvo *intel_sdvo)
 {
-	int caps = 0;
-
-	if (intel_sdvo->caps.output_flags &
-		(SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1))
-		caps++;
-	if (intel_sdvo->caps.output_flags &
-		(SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1))
-		caps++;
-	if (intel_sdvo->caps.output_flags &
-		(SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_SVID1))
-		caps++;
-	if (intel_sdvo->caps.output_flags &
-		(SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_CVBS1))
-		caps++;
-	if (intel_sdvo->caps.output_flags &
-		(SDVO_OUTPUT_YPRPB0 | SDVO_OUTPUT_YPRPB1))
-		caps++;
-
-	if (intel_sdvo->caps.output_flags &
-		(SDVO_OUTPUT_SCART0 | SDVO_OUTPUT_SCART1))
-		caps++;
-
-	if (intel_sdvo->caps.output_flags &
-		(SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1))
-		caps++;
-
-	return (caps > 1);
+	/* Is there more than one type of output? */
+	int caps = intel_sdvo->caps.output_flags & 0xf;
+	return caps & -caps;
 }
 
 static struct edid *
@@ -1359,7 +1350,8 @@
 				intel_sdvo->has_hdmi_monitor = drm_detect_hdmi_monitor(edid);
 				intel_sdvo->has_hdmi_audio = drm_detect_monitor_audio(edid);
 			}
-		}
+		} else
+			status = connector_status_disconnected;
 		connector->display_info.raw_edid = NULL;
 		kfree(edid);
 	}
@@ -1407,10 +1399,25 @@
 
 	if ((intel_sdvo_connector->output_flag & response) == 0)
 		ret = connector_status_disconnected;
-	else if (response & SDVO_TMDS_MASK)
+	else if (IS_TMDS(intel_sdvo_connector))
 		ret = intel_sdvo_hdmi_sink_detect(connector);
-	else
-		ret = connector_status_connected;
+	else {
+		struct edid *edid;
+
+		/* if we have an edid check it matches the connection */
+		edid = intel_sdvo_get_edid(connector);
+		if (edid == NULL)
+			edid = intel_sdvo_get_analog_edid(connector);
+		if (edid != NULL) {
+			if (edid->input & DRM_EDID_INPUT_DIGITAL)
+				ret = connector_status_disconnected;
+			else
+				ret = connector_status_connected;
+			connector->display_info.raw_edid = NULL;
+			kfree(edid);
+		} else
+			ret = connector_status_connected;
+	}
 
 	/* May update encoder flag for like clock for SDVO TV, etc.*/
 	if (ret == connector_status_connected) {
@@ -1446,10 +1453,15 @@
 		edid = intel_sdvo_get_analog_edid(connector);
 
 	if (edid != NULL) {
-		if (edid->input & DRM_EDID_INPUT_DIGITAL) {
+		struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
+		bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
+		bool connector_is_digital = !!IS_TMDS(intel_sdvo_connector);
+
+		if (connector_is_digital == monitor_is_digital) {
 			drm_mode_connector_update_edid_property(connector, edid);
 			drm_add_edid_modes(connector, edid);
 		}
+
 		connector->display_info.raw_edid = NULL;
 		kfree(edid);
 	}
@@ -1668,6 +1680,22 @@
 	kfree(connector);
 }
 
+static bool intel_sdvo_detect_hdmi_audio(struct drm_connector *connector)
+{
+	struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
+	struct edid *edid;
+	bool has_audio = false;
+
+	if (!intel_sdvo->is_hdmi)
+		return false;
+
+	edid = intel_sdvo_get_edid(connector);
+	if (edid != NULL && edid->input & DRM_EDID_INPUT_DIGITAL)
+		has_audio = drm_detect_monitor_audio(edid);
+
+	return has_audio;
+}
+
 static int
 intel_sdvo_set_property(struct drm_connector *connector,
 			struct drm_property *property,
@@ -1675,6 +1703,7 @@
 {
 	struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
 	struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
+	struct drm_i915_private *dev_priv = connector->dev->dev_private;
 	uint16_t temp_value;
 	uint8_t cmd;
 	int ret;
@@ -1684,17 +1713,31 @@
 		return ret;
 
 	if (property == intel_sdvo_connector->force_audio_property) {
-		if (val == intel_sdvo_connector->force_audio)
+		int i = val;
+		bool has_audio;
+
+		if (i == intel_sdvo_connector->force_audio)
 			return 0;
 
-		intel_sdvo_connector->force_audio = val;
+		intel_sdvo_connector->force_audio = i;
 
-		if (val > 0 && intel_sdvo->has_hdmi_audio)
-			return 0;
-		if (val < 0 && !intel_sdvo->has_hdmi_audio)
+		if (i == 0)
+			has_audio = intel_sdvo_detect_hdmi_audio(connector);
+		else
+			has_audio = i > 0;
+
+		if (has_audio == intel_sdvo->has_hdmi_audio)
 			return 0;
 
-		intel_sdvo->has_hdmi_audio = val > 0;
+		intel_sdvo->has_hdmi_audio = has_audio;
+		goto done;
+	}
+
+	if (property == dev_priv->broadcast_rgb_property) {
+		if (val == !!intel_sdvo->color_range)
+			return 0;
+
+		intel_sdvo->color_range = val ? SDVO_COLOR_RANGE_16_235 : 0;
 		goto done;
 	}
 
@@ -2002,6 +2045,9 @@
 		drm_connector_attach_property(&connector->base.base,
 					      connector->force_audio_property, 0);
 	}
+
+	if (INTEL_INFO(dev)->gen >= 4 && IS_MOBILE(dev))
+		intel_attach_broadcast_rgb_property(&connector->base.base);
 }
 
 static bool
@@ -2224,6 +2270,7 @@
 	if (!intel_sdvo_set_target_output(intel_sdvo, type))
 		return false;
 
+	BUILD_BUG_ON(sizeof(format) != 6);
 	if (!intel_sdvo_get_value(intel_sdvo,
 				  SDVO_CMD_GET_SUPPORTED_TV_FORMATS,
 				  &format, sizeof(format)))
@@ -2430,6 +2477,8 @@
 		uint16_t response;
 	} enhancements;
 
+	BUILD_BUG_ON(sizeof(enhancements) != 2);
+
 	enhancements.response = 0;
 	intel_sdvo_get_value(intel_sdvo,
 			     SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index 93206e4..4256b8ef 100644
--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -1006,6 +1006,7 @@
 	const struct video_levels *video_levels;
 	const struct color_conversion *color_conversion;
 	bool burst_ena;
+	int pipe = intel_crtc->pipe;
 
 	if (!tv_mode)
 		return;	/* can't happen (mode_prepare prevents this) */
@@ -1149,14 +1150,11 @@
 			   ((video_levels->black << TV_BLACK_LEVEL_SHIFT) |
 			    (video_levels->blank << TV_BLANK_LEVEL_SHIFT)));
 	{
-		int pipeconf_reg = (intel_crtc->pipe == 0) ?
-			PIPEACONF : PIPEBCONF;
-		int dspcntr_reg = (intel_crtc->plane == 0) ?
-			DSPACNTR : DSPBCNTR;
+		int pipeconf_reg = PIPECONF(pipe);
+		int dspcntr_reg = DSPCNTR(pipe);
 		int pipeconf = I915_READ(pipeconf_reg);
 		int dspcntr = I915_READ(dspcntr_reg);
-		int dspbase_reg = (intel_crtc->plane == 0) ?
-			DSPAADDR : DSPBADDR;
+		int dspbase_reg = DSPADDR(pipe);
 		int xpos = 0x0, ypos = 0x0;
 		unsigned int xsize, ysize;
 		/* Pipe must be off here */
@@ -1234,7 +1232,8 @@
  * \return false if TV is disconnected.
  */
 static int
-intel_tv_detect_type (struct intel_tv *intel_tv)
+intel_tv_detect_type (struct intel_tv *intel_tv,
+		      struct drm_connector *connector)
 {
 	struct drm_encoder *encoder = &intel_tv->base.base;
 	struct drm_device *dev = encoder->dev;
@@ -1245,11 +1244,13 @@
 	int type;
 
 	/* Disable TV interrupts around load detect or we'll recurse */
-	spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
-	i915_disable_pipestat(dev_priv, 0,
-			      PIPE_HOTPLUG_INTERRUPT_ENABLE |
-			      PIPE_HOTPLUG_TV_INTERRUPT_ENABLE);
-	spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
+	if (connector->polled & DRM_CONNECTOR_POLL_HPD) {
+		spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
+		i915_disable_pipestat(dev_priv, 0,
+				      PIPE_HOTPLUG_INTERRUPT_ENABLE |
+				      PIPE_HOTPLUG_TV_INTERRUPT_ENABLE);
+		spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
+	}
 
 	save_tv_dac = tv_dac = I915_READ(TV_DAC);
 	save_tv_ctl = tv_ctl = I915_READ(TV_CTL);
@@ -1302,11 +1303,13 @@
 	I915_WRITE(TV_CTL, save_tv_ctl);
 
 	/* Restore interrupt config */
-	spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
-	i915_enable_pipestat(dev_priv, 0,
-			     PIPE_HOTPLUG_INTERRUPT_ENABLE |
-			     PIPE_HOTPLUG_TV_INTERRUPT_ENABLE);
-	spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
+	if (connector->polled & DRM_CONNECTOR_POLL_HPD) {
+		spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
+		i915_enable_pipestat(dev_priv, 0,
+				     PIPE_HOTPLUG_INTERRUPT_ENABLE |
+				     PIPE_HOTPLUG_TV_INTERRUPT_ENABLE);
+		spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
+	}
 
 	return type;
 }
@@ -1356,7 +1359,7 @@
 	drm_mode_set_crtcinfo(&mode, CRTC_INTERLACE_HALVE_V);
 
 	if (intel_tv->base.base.crtc && intel_tv->base.base.crtc->enabled) {
-		type = intel_tv_detect_type(intel_tv);
+		type = intel_tv_detect_type(intel_tv, connector);
 	} else if (force) {
 		struct drm_crtc *crtc;
 		int dpms_mode;
@@ -1364,7 +1367,7 @@
 		crtc = intel_get_load_detect_pipe(&intel_tv->base, connector,
 						  &mode, &dpms_mode);
 		if (crtc) {
-			type = intel_tv_detect_type(intel_tv);
+			type = intel_tv_detect_type(intel_tv, connector);
 			intel_release_load_detect_pipe(&intel_tv->base, connector,
 						       dpms_mode);
 		} else
@@ -1658,6 +1661,18 @@
 	intel_encoder = &intel_tv->base;
 	connector = &intel_connector->base;
 
+	/* The documentation, for the older chipsets at least, recommend
+	 * using a polling method rather than hotplug detection for TVs.
+	 * This is because in order to perform the hotplug detection, the PLLs
+	 * for the TV must be kept alive increasing power drain and starving
+	 * bandwidth from other encoders. Notably for instance, it causes
+	 * pipe underruns on Crestline when this encoder is supposedly idle.
+	 *
+	 * More recent chipsets favour HDMI rather than integrated S-Video.
+	 */
+	connector->polled =
+		DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
+
 	drm_connector_init(dev, connector, &intel_tv_connector_funcs,
 			   DRM_MODE_CONNECTOR_SVIDEO);
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 3fcffcf..2ad49cb 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -49,7 +49,10 @@
 		DRM_ERROR("bo %p still attached to GEM object\n", bo);
 
 	nv10_mem_put_tile_region(dev, nvbo->tile, NULL);
-	nouveau_vm_put(&nvbo->vma);
+	if (nvbo->vma.node) {
+		nouveau_vm_unmap(&nvbo->vma);
+		nouveau_vm_put(&nvbo->vma);
+	}
 	kfree(nvbo);
 }
 
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index d56f08d..a2199fe 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -48,29 +48,29 @@
 
 	switch (radeon_crtc->rmx_type) {
 	case RMX_CENTER:
-		args.usOverscanTop = (adjusted_mode->crtc_vdisplay - mode->crtc_vdisplay) / 2;
-		args.usOverscanBottom = (adjusted_mode->crtc_vdisplay - mode->crtc_vdisplay) / 2;
-		args.usOverscanLeft = (adjusted_mode->crtc_hdisplay - mode->crtc_hdisplay) / 2;
-		args.usOverscanRight = (adjusted_mode->crtc_hdisplay - mode->crtc_hdisplay) / 2;
+		args.usOverscanTop = cpu_to_le16((adjusted_mode->crtc_vdisplay - mode->crtc_vdisplay) / 2);
+		args.usOverscanBottom = cpu_to_le16((adjusted_mode->crtc_vdisplay - mode->crtc_vdisplay) / 2);
+		args.usOverscanLeft = cpu_to_le16((adjusted_mode->crtc_hdisplay - mode->crtc_hdisplay) / 2);
+		args.usOverscanRight = cpu_to_le16((adjusted_mode->crtc_hdisplay - mode->crtc_hdisplay) / 2);
 		break;
 	case RMX_ASPECT:
 		a1 = mode->crtc_vdisplay * adjusted_mode->crtc_hdisplay;
 		a2 = adjusted_mode->crtc_vdisplay * mode->crtc_hdisplay;
 
 		if (a1 > a2) {
-			args.usOverscanLeft = (adjusted_mode->crtc_hdisplay - (a2 / mode->crtc_vdisplay)) / 2;
-			args.usOverscanRight = (adjusted_mode->crtc_hdisplay - (a2 / mode->crtc_vdisplay)) / 2;
+			args.usOverscanLeft = cpu_to_le16((adjusted_mode->crtc_hdisplay - (a2 / mode->crtc_vdisplay)) / 2);
+			args.usOverscanRight = cpu_to_le16((adjusted_mode->crtc_hdisplay - (a2 / mode->crtc_vdisplay)) / 2);
 		} else if (a2 > a1) {
-			args.usOverscanLeft = (adjusted_mode->crtc_vdisplay - (a1 / mode->crtc_hdisplay)) / 2;
-			args.usOverscanRight = (adjusted_mode->crtc_vdisplay - (a1 / mode->crtc_hdisplay)) / 2;
+			args.usOverscanLeft = cpu_to_le16((adjusted_mode->crtc_vdisplay - (a1 / mode->crtc_hdisplay)) / 2);
+			args.usOverscanRight = cpu_to_le16((adjusted_mode->crtc_vdisplay - (a1 / mode->crtc_hdisplay)) / 2);
 		}
 		break;
 	case RMX_FULL:
 	default:
-		args.usOverscanRight = radeon_crtc->h_border;
-		args.usOverscanLeft = radeon_crtc->h_border;
-		args.usOverscanBottom = radeon_crtc->v_border;
-		args.usOverscanTop = radeon_crtc->v_border;
+		args.usOverscanRight = cpu_to_le16(radeon_crtc->h_border);
+		args.usOverscanLeft = cpu_to_le16(radeon_crtc->h_border);
+		args.usOverscanBottom = cpu_to_le16(radeon_crtc->v_border);
+		args.usOverscanTop = cpu_to_le16(radeon_crtc->v_border);
 		break;
 	}
 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
@@ -419,23 +419,23 @@
 	memset(&args, 0, sizeof(args));
 
 	if (ASIC_IS_DCE5(rdev)) {
-		args.v3.usSpreadSpectrumAmountFrac = 0;
+		args.v3.usSpreadSpectrumAmountFrac = cpu_to_le16(0);
 		args.v3.ucSpreadSpectrumType = ss->type;
 		switch (pll_id) {
 		case ATOM_PPLL1:
 			args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_P1PLL;
-			args.v3.usSpreadSpectrumAmount = ss->amount;
-			args.v3.usSpreadSpectrumStep = ss->step;
+			args.v3.usSpreadSpectrumAmount = cpu_to_le16(ss->amount);
+			args.v3.usSpreadSpectrumStep = cpu_to_le16(ss->step);
 			break;
 		case ATOM_PPLL2:
 			args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_P2PLL;
-			args.v3.usSpreadSpectrumAmount = ss->amount;
-			args.v3.usSpreadSpectrumStep = ss->step;
+			args.v3.usSpreadSpectrumAmount = cpu_to_le16(ss->amount);
+			args.v3.usSpreadSpectrumStep = cpu_to_le16(ss->step);
 			break;
 		case ATOM_DCPLL:
 			args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_DCPLL;
-			args.v3.usSpreadSpectrumAmount = 0;
-			args.v3.usSpreadSpectrumStep = 0;
+			args.v3.usSpreadSpectrumAmount = cpu_to_le16(0);
+			args.v3.usSpreadSpectrumStep = cpu_to_le16(0);
 			break;
 		case ATOM_PPLL_INVALID:
 			return;
@@ -447,18 +447,18 @@
 		switch (pll_id) {
 		case ATOM_PPLL1:
 			args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_P1PLL;
-			args.v2.usSpreadSpectrumAmount = ss->amount;
-			args.v2.usSpreadSpectrumStep = ss->step;
+			args.v2.usSpreadSpectrumAmount = cpu_to_le16(ss->amount);
+			args.v2.usSpreadSpectrumStep = cpu_to_le16(ss->step);
 			break;
 		case ATOM_PPLL2:
 			args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_P2PLL;
-			args.v2.usSpreadSpectrumAmount = ss->amount;
-			args.v2.usSpreadSpectrumStep = ss->step;
+			args.v2.usSpreadSpectrumAmount = cpu_to_le16(ss->amount);
+			args.v2.usSpreadSpectrumStep = cpu_to_le16(ss->step);
 			break;
 		case ATOM_DCPLL:
 			args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_DCPLL;
-			args.v2.usSpreadSpectrumAmount = 0;
-			args.v2.usSpreadSpectrumStep = 0;
+			args.v2.usSpreadSpectrumAmount = cpu_to_le16(0);
+			args.v2.usSpreadSpectrumStep = cpu_to_le16(0);
 			break;
 		case ATOM_PPLL_INVALID:
 			return;
@@ -538,7 +538,6 @@
 			pll->flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
 		else
 			pll->flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
-
 	}
 
 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
@@ -555,29 +554,28 @@
 					dp_clock = dig_connector->dp_clock;
 				}
 			}
-/* this might work properly with the new pll algo */
-#if 0 /* doesn't work properly on some laptops */
+
 			/* use recommended ref_div for ss */
 			if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 				if (ss_enabled) {
 					if (ss->refdiv) {
+						pll->flags |= RADEON_PLL_PREFER_MINM_OVER_MAXP;
 						pll->flags |= RADEON_PLL_USE_REF_DIV;
 						pll->reference_div = ss->refdiv;
+						if (ASIC_IS_AVIVO(rdev))
+							pll->flags |= RADEON_PLL_USE_FRAC_FB_DIV;
 					}
 				}
 			}
-#endif
+
 			if (ASIC_IS_AVIVO(rdev)) {
 				/* DVO wants 2x pixel clock if the DVO chip is in 12 bit mode */
 				if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1)
 					adjusted_clock = mode->clock * 2;
 				if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT))
 					pll->flags |= RADEON_PLL_PREFER_CLOSEST_LOWER;
-				/* rv515 needs more testing with this option */
-				if (rdev->family != CHIP_RV515) {
-					if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
-						pll->flags |= RADEON_PLL_IS_LCD;
-				}
+				if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
+					pll->flags |= RADEON_PLL_IS_LCD;
 			} else {
 				if (encoder->encoder_type != DRM_MODE_ENCODER_DAC)
 					pll->flags |= RADEON_PLL_NO_ODD_POST_DIV;
@@ -664,10 +662,12 @@
 						   index, (uint32_t *)&args);
 				adjusted_clock = le32_to_cpu(args.v3.sOutput.ulDispPllFreq) * 10;
 				if (args.v3.sOutput.ucRefDiv) {
+					pll->flags |= RADEON_PLL_USE_FRAC_FB_DIV;
 					pll->flags |= RADEON_PLL_USE_REF_DIV;
 					pll->reference_div = args.v3.sOutput.ucRefDiv;
 				}
 				if (args.v3.sOutput.ucPostDiv) {
+					pll->flags |= RADEON_PLL_USE_FRAC_FB_DIV;
 					pll->flags |= RADEON_PLL_USE_POST_DIV;
 					pll->post_div = args.v3.sOutput.ucPostDiv;
 				}
@@ -721,14 +721,14 @@
 			 * SetPixelClock provides the dividers
 			 */
 			args.v5.ucCRTC = ATOM_CRTC_INVALID;
-			args.v5.usPixelClock = dispclk;
+			args.v5.usPixelClock = cpu_to_le16(dispclk);
 			args.v5.ucPpll = ATOM_DCPLL;
 			break;
 		case 6:
 			/* if the default dcpll clock is specified,
 			 * SetPixelClock provides the dividers
 			 */
-			args.v6.ulDispEngClkFreq = dispclk;
+			args.v6.ulDispEngClkFreq = cpu_to_le32(dispclk);
 			args.v6.ucPpll = ATOM_DCPLL;
 			break;
 		default:
@@ -957,11 +957,7 @@
 	/* adjust pixel clock as needed */
 	adjusted_clock = atombios_adjust_pll(crtc, mode, pll, ss_enabled, &ss);
 
-	/* rv515 seems happier with the old algo */
-	if (rdev->family == CHIP_RV515)
-		radeon_compute_pll_legacy(pll, adjusted_clock, &pll_clock, &fb_div, &frac_fb_div,
-					  &ref_div, &post_div);
-	else if (ASIC_IS_AVIVO(rdev))
+	if (ASIC_IS_AVIVO(rdev))
 		radeon_compute_pll_avivo(pll, adjusted_clock, &pll_clock, &fb_div, &frac_fb_div,
 					 &ref_div, &post_div);
 	else
@@ -995,9 +991,9 @@
 	}
 }
 
-static int evergreen_crtc_do_set_base(struct drm_crtc *crtc,
-				      struct drm_framebuffer *fb,
-				      int x, int y, int atomic)
+static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
+				 struct drm_framebuffer *fb,
+				 int x, int y, int atomic)
 {
 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 	struct drm_device *dev = crtc->dev;
@@ -1137,12 +1133,6 @@
 	WREG32(EVERGREEN_VIEWPORT_SIZE + radeon_crtc->crtc_offset,
 	       (crtc->mode.hdisplay << 16) | crtc->mode.vdisplay);
 
-	if (crtc->mode.flags & DRM_MODE_FLAG_INTERLACE)
-		WREG32(EVERGREEN_DATA_FORMAT + radeon_crtc->crtc_offset,
-		       EVERGREEN_INTERLEAVE_EN);
-	else
-		WREG32(EVERGREEN_DATA_FORMAT + radeon_crtc->crtc_offset, 0);
-
 	if (!atomic && fb && fb != crtc->fb) {
 		radeon_fb = to_radeon_framebuffer(fb);
 		rbo = gem_to_radeon_bo(radeon_fb->obj);
@@ -1300,12 +1290,6 @@
 	WREG32(AVIVO_D1MODE_VIEWPORT_SIZE + radeon_crtc->crtc_offset,
 	       (crtc->mode.hdisplay << 16) | crtc->mode.vdisplay);
 
-	if (crtc->mode.flags & DRM_MODE_FLAG_INTERLACE)
-		WREG32(AVIVO_D1MODE_DATA_FORMAT + radeon_crtc->crtc_offset,
-		       AVIVO_D1MODE_INTERLEAVE_EN);
-	else
-		WREG32(AVIVO_D1MODE_DATA_FORMAT + radeon_crtc->crtc_offset, 0);
-
 	if (!atomic && fb && fb != crtc->fb) {
 		radeon_fb = to_radeon_framebuffer(fb);
 		rbo = gem_to_radeon_bo(radeon_fb->obj);
@@ -1329,7 +1313,7 @@
 	struct radeon_device *rdev = dev->dev_private;
 
 	if (ASIC_IS_DCE4(rdev))
-		return evergreen_crtc_do_set_base(crtc, old_fb, x, y, 0);
+		return dce4_crtc_do_set_base(crtc, old_fb, x, y, 0);
 	else if (ASIC_IS_AVIVO(rdev))
 		return avivo_crtc_do_set_base(crtc, old_fb, x, y, 0);
 	else
@@ -1344,7 +1328,7 @@
        struct radeon_device *rdev = dev->dev_private;
 
 	if (ASIC_IS_DCE4(rdev))
-		return evergreen_crtc_do_set_base(crtc, fb, x, y, 1);
+		return dce4_crtc_do_set_base(crtc, fb, x, y, 1);
 	else if (ASIC_IS_AVIVO(rdev))
 		return avivo_crtc_do_set_base(crtc, fb, x, y, 1);
 	else
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index d404522..789441e 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1192,7 +1192,11 @@
 	radeon_ring_write(rdev, 1);
 	/* FIXME: implement */
 	radeon_ring_write(rdev, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
-	radeon_ring_write(rdev, ib->gpu_addr & 0xFFFFFFFC);
+	radeon_ring_write(rdev,
+#ifdef __BIG_ENDIAN
+			  (2 << 0) |
+#endif
+			  (ib->gpu_addr & 0xFFFFFFFC));
 	radeon_ring_write(rdev, upper_32_bits(ib->gpu_addr) & 0xFF);
 	radeon_ring_write(rdev, ib->length_dw);
 }
@@ -1207,7 +1211,11 @@
 		return -EINVAL;
 
 	r700_cp_stop(rdev);
-	WREG32(CP_RB_CNTL, RB_NO_UPDATE | (15 << 8) | (3 << 0));
+	WREG32(CP_RB_CNTL,
+#ifdef __BIG_ENDIAN
+	       BUF_SWAP_32BIT |
+#endif
+	       RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
 
 	fw_data = (const __be32 *)rdev->pfp_fw->data;
 	WREG32(CP_PFP_UCODE_ADDR, 0);
@@ -1326,7 +1334,11 @@
 	WREG32(CP_RB_WPTR, 0);
 
 	/* set the wb address wether it's enabled or not */
-	WREG32(CP_RB_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC);
+	WREG32(CP_RB_RPTR_ADDR,
+#ifdef __BIG_ENDIAN
+	       RB_RPTR_SWAP(2) |
+#endif
+	       ((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC));
 	WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
 	WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
 
@@ -2627,8 +2639,8 @@
 	while (rptr != wptr) {
 		/* wptr/rptr are in bytes! */
 		ring_index = rptr / 4;
-		src_id =  rdev->ih.ring[ring_index] & 0xff;
-		src_data = rdev->ih.ring[ring_index + 1] & 0xfffffff;
+		src_id =  le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;
+		src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;
 
 		switch (src_id) {
 		case 1: /* D1 vblank/vline */
diff --git a/drivers/gpu/drm/radeon/evergreen_blit_kms.c b/drivers/gpu/drm/radeon/evergreen_blit_kms.c
index 2ed930e..3218287 100644
--- a/drivers/gpu/drm/radeon/evergreen_blit_kms.c
+++ b/drivers/gpu/drm/radeon/evergreen_blit_kms.c
@@ -55,7 +55,7 @@
 	if (h < 8)
 		h = 8;
 
-	cb_color_info = ((format << 2) | (1 << 24));
+	cb_color_info = ((format << 2) | (1 << 24) | (1 << 8));
 	pitch = (w / 8) - 1;
 	slice = ((w * h) / 64) - 1;
 
@@ -133,6 +133,9 @@
 
 	/* high addr, stride */
 	sq_vtx_constant_word2 = ((upper_32_bits(gpu_addr) & 0xff) | (16 << 8));
+#ifdef __BIG_ENDIAN
+	sq_vtx_constant_word2 |= (2 << 30);
+#endif
 	/* xyzw swizzles */
 	sq_vtx_constant_word3 = (0 << 3) | (1 << 6) | (2 << 9) | (3 << 12);
 
@@ -173,7 +176,7 @@
 	sq_tex_resource_word0 = (1 << 0); /* 2D */
 	sq_tex_resource_word0 |= ((((pitch >> 3) - 1) << 6) |
 				  ((w - 1) << 18));
-	sq_tex_resource_word1 = ((h - 1) << 0);
+	sq_tex_resource_word1 = ((h - 1) << 0) | (1 << 28);
 	/* xyzw swizzles */
 	sq_tex_resource_word4 = (0 << 16) | (1 << 19) | (2 << 22) | (3 << 25);
 
@@ -221,7 +224,11 @@
 	radeon_ring_write(rdev, DI_PT_RECTLIST);
 
 	radeon_ring_write(rdev, PACKET3(PACKET3_INDEX_TYPE, 0));
-	radeon_ring_write(rdev, DI_INDEX_SIZE_16_BIT);
+	radeon_ring_write(rdev,
+#ifdef __BIG_ENDIAN
+			  (2 << 2) |
+#endif
+			  DI_INDEX_SIZE_16_BIT);
 
 	radeon_ring_write(rdev, PACKET3(PACKET3_NUM_INSTANCES, 0));
 	radeon_ring_write(rdev, 1);
@@ -541,7 +548,7 @@
 int evergreen_blit_init(struct radeon_device *rdev)
 {
 	u32 obj_size;
-	int r, dwords;
+	int i, r, dwords;
 	void *ptr;
 	u32 packet2s[16];
 	int num_packet2s = 0;
@@ -557,7 +564,7 @@
 
 	dwords = rdev->r600_blit.state_len;
 	while (dwords & 0xf) {
-		packet2s[num_packet2s++] = PACKET2(0);
+		packet2s[num_packet2s++] = cpu_to_le32(PACKET2(0));
 		dwords++;
 	}
 
@@ -598,8 +605,10 @@
 	if (num_packet2s)
 		memcpy_toio(ptr + rdev->r600_blit.state_offset + (rdev->r600_blit.state_len * 4),
 			    packet2s, num_packet2s * 4);
-	memcpy(ptr + rdev->r600_blit.vs_offset, evergreen_vs, evergreen_vs_size * 4);
-	memcpy(ptr + rdev->r600_blit.ps_offset, evergreen_ps, evergreen_ps_size * 4);
+	for (i = 0; i < evergreen_vs_size; i++)
+		*(u32 *)((unsigned long)ptr + rdev->r600_blit.vs_offset + i * 4) = cpu_to_le32(evergreen_vs[i]);
+	for (i = 0; i < evergreen_ps_size; i++)
+		*(u32 *)((unsigned long)ptr + rdev->r600_blit.ps_offset + i * 4) = cpu_to_le32(evergreen_ps[i]);
 	radeon_bo_kunmap(rdev->r600_blit.shader_obj);
 	radeon_bo_unreserve(rdev->r600_blit.shader_obj);
 
diff --git a/drivers/gpu/drm/radeon/evergreen_blit_shaders.c b/drivers/gpu/drm/radeon/evergreen_blit_shaders.c
index ef1d28c..3a10399 100644
--- a/drivers/gpu/drm/radeon/evergreen_blit_shaders.c
+++ b/drivers/gpu/drm/radeon/evergreen_blit_shaders.c
@@ -311,11 +311,19 @@
 	0x00000000,
 	0x3c000000,
 	0x67961001,
+#ifdef __BIG_ENDIAN
+	0x000a0000,
+#else
 	0x00080000,
+#endif
 	0x00000000,
 	0x1c000000,
 	0x67961000,
+#ifdef __BIG_ENDIAN
+	0x00020008,
+#else
 	0x00000008,
+#endif
 	0x00000000,
 };
 
diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h
index 21e839b..9aaa3f0 100644
--- a/drivers/gpu/drm/radeon/evergreend.h
+++ b/drivers/gpu/drm/radeon/evergreend.h
@@ -98,6 +98,7 @@
 #define		BUF_SWAP_32BIT					(2 << 16)
 #define	CP_RB_RPTR					0x8700
 #define	CP_RB_RPTR_ADDR					0xC10C
+#define		RB_RPTR_SWAP(x)					((x) << 0)
 #define	CP_RB_RPTR_ADDR_HI				0xC110
 #define	CP_RB_RPTR_WR					0xC108
 #define	CP_RB_WPTR					0xC114
diff --git a/drivers/gpu/drm/radeon/mkregtable.c b/drivers/gpu/drm/radeon/mkregtable.c
index 607241c..5a82b6b 100644
--- a/drivers/gpu/drm/radeon/mkregtable.c
+++ b/drivers/gpu/drm/radeon/mkregtable.c
@@ -673,8 +673,10 @@
 	last_reg = strtol(last_reg_s, NULL, 16);
 
 	do {
-		if (fgets(buf, 1024, file) == NULL)
+		if (fgets(buf, 1024, file) == NULL) {
+			fclose(file);
 			return -1;
+		}
 		len = strlen(buf);
 		if (ftell(file) == end)
 			done = 1;
@@ -685,6 +687,7 @@
 				fprintf(stderr,
 					"Error matching regular expression %d in %s\n",
 					r, filename);
+				fclose(file);
 				return -1;
 			} else {
 				buf[match[0].rm_eo] = 0;
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 5f15820..93fa735 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -1427,6 +1427,7 @@
 		}
 		track->zb.robj = reloc->robj;
 		track->zb.offset = idx_value;
+		track->zb_dirty = true;
 		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
 		break;
 	case RADEON_RB3D_COLOROFFSET:
@@ -1439,6 +1440,7 @@
 		}
 		track->cb[0].robj = reloc->robj;
 		track->cb[0].offset = idx_value;
+		track->cb_dirty = true;
 		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
 		break;
 	case RADEON_PP_TXOFFSET_0:
@@ -1454,6 +1456,7 @@
 		}
 		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
 		track->textures[i].robj = reloc->robj;
+		track->tex_dirty = true;
 		break;
 	case RADEON_PP_CUBIC_OFFSET_T0_0:
 	case RADEON_PP_CUBIC_OFFSET_T0_1:
@@ -1471,6 +1474,7 @@
 		track->textures[0].cube_info[i].offset = idx_value;
 		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
 		track->textures[0].cube_info[i].robj = reloc->robj;
+		track->tex_dirty = true;
 		break;
 	case RADEON_PP_CUBIC_OFFSET_T1_0:
 	case RADEON_PP_CUBIC_OFFSET_T1_1:
@@ -1488,6 +1492,7 @@
 		track->textures[1].cube_info[i].offset = idx_value;
 		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
 		track->textures[1].cube_info[i].robj = reloc->robj;
+		track->tex_dirty = true;
 		break;
 	case RADEON_PP_CUBIC_OFFSET_T2_0:
 	case RADEON_PP_CUBIC_OFFSET_T2_1:
@@ -1505,9 +1510,12 @@
 		track->textures[2].cube_info[i].offset = idx_value;
 		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
 		track->textures[2].cube_info[i].robj = reloc->robj;
+		track->tex_dirty = true;
 		break;
 	case RADEON_RE_WIDTH_HEIGHT:
 		track->maxy = ((idx_value >> 16) & 0x7FF);
+		track->cb_dirty = true;
+		track->zb_dirty = true;
 		break;
 	case RADEON_RB3D_COLORPITCH:
 		r = r100_cs_packet_next_reloc(p, &reloc);
@@ -1528,9 +1536,11 @@
 		ib[idx] = tmp;
 
 		track->cb[0].pitch = idx_value & RADEON_COLORPITCH_MASK;
+		track->cb_dirty = true;
 		break;
 	case RADEON_RB3D_DEPTHPITCH:
 		track->zb.pitch = idx_value & RADEON_DEPTHPITCH_MASK;
+		track->zb_dirty = true;
 		break;
 	case RADEON_RB3D_CNTL:
 		switch ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f) {
@@ -1555,6 +1565,8 @@
 			return -EINVAL;
 		}
 		track->z_enabled = !!(idx_value & RADEON_Z_ENABLE);
+		track->cb_dirty = true;
+		track->zb_dirty = true;
 		break;
 	case RADEON_RB3D_ZSTENCILCNTL:
 		switch (idx_value & 0xf) {
@@ -1572,6 +1584,7 @@
 		default:
 			break;
 		}
+		track->zb_dirty = true;
 		break;
 	case RADEON_RB3D_ZPASS_ADDR:
 		r = r100_cs_packet_next_reloc(p, &reloc);
@@ -1588,6 +1601,7 @@
 			uint32_t temp = idx_value >> 4;
 			for (i = 0; i < track->num_texture; i++)
 				track->textures[i].enabled = !!(temp & (1 << i));
+			track->tex_dirty = true;
 		}
 		break;
 	case RADEON_SE_VF_CNTL:
@@ -1602,12 +1616,14 @@
 		i = (reg - RADEON_PP_TEX_SIZE_0) / 8;
 		track->textures[i].width = (idx_value & RADEON_TEX_USIZE_MASK) + 1;
 		track->textures[i].height = ((idx_value & RADEON_TEX_VSIZE_MASK) >> RADEON_TEX_VSIZE_SHIFT) + 1;
+		track->tex_dirty = true;
 		break;
 	case RADEON_PP_TEX_PITCH_0:
 	case RADEON_PP_TEX_PITCH_1:
 	case RADEON_PP_TEX_PITCH_2:
 		i = (reg - RADEON_PP_TEX_PITCH_0) / 8;
 		track->textures[i].pitch = idx_value + 32;
+		track->tex_dirty = true;
 		break;
 	case RADEON_PP_TXFILTER_0:
 	case RADEON_PP_TXFILTER_1:
@@ -1621,6 +1637,7 @@
 		tmp = (idx_value >> 27) & 0x7;
 		if (tmp == 2 || tmp == 6)
 			track->textures[i].roundup_h = false;
+		track->tex_dirty = true;
 		break;
 	case RADEON_PP_TXFORMAT_0:
 	case RADEON_PP_TXFORMAT_1:
@@ -1673,6 +1690,7 @@
 		}
 		track->textures[i].cube_info[4].width = 1 << ((idx_value >> 16) & 0xf);
 		track->textures[i].cube_info[4].height = 1 << ((idx_value >> 20) & 0xf);
+		track->tex_dirty = true;
 		break;
 	case RADEON_PP_CUBIC_FACES_0:
 	case RADEON_PP_CUBIC_FACES_1:
@@ -1683,6 +1701,7 @@
 			track->textures[i].cube_info[face].width = 1 << ((tmp >> (face * 8)) & 0xf);
 			track->textures[i].cube_info[face].height = 1 << ((tmp >> ((face * 8) + 4)) & 0xf);
 		}
+		track->tex_dirty = true;
 		break;
 	default:
 		printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
@@ -3318,9 +3337,9 @@
 	unsigned long size;
 	unsigned prim_walk;
 	unsigned nverts;
-	unsigned num_cb = track->num_cb;
+	unsigned num_cb = track->cb_dirty ? track->num_cb : 0;
 
-	if (!track->zb_cb_clear && !track->color_channel_mask &&
+	if (num_cb && !track->zb_cb_clear && !track->color_channel_mask &&
 	    !track->blend_read_enable)
 		num_cb = 0;
 
@@ -3341,7 +3360,9 @@
 			return -EINVAL;
 		}
 	}
-	if (track->z_enabled) {
+	track->cb_dirty = false;
+
+	if (track->zb_dirty && track->z_enabled) {
 		if (track->zb.robj == NULL) {
 			DRM_ERROR("[drm] No buffer for z buffer !\n");
 			return -EINVAL;
@@ -3358,6 +3379,28 @@
 			return -EINVAL;
 		}
 	}
+	track->zb_dirty = false;
+
+	if (track->aa_dirty && track->aaresolve) {
+		if (track->aa.robj == NULL) {
+			DRM_ERROR("[drm] No buffer for AA resolve buffer %d !\n", i);
+			return -EINVAL;
+		}
+		/* I believe the format comes from colorbuffer0. */
+		size = track->aa.pitch * track->cb[0].cpp * track->maxy;
+		size += track->aa.offset;
+		if (size > radeon_bo_size(track->aa.robj)) {
+			DRM_ERROR("[drm] Buffer too small for AA resolve buffer %d "
+				  "(need %lu have %lu) !\n", i, size,
+				  radeon_bo_size(track->aa.robj));
+			DRM_ERROR("[drm] AA resolve buffer %d (%u %u %u %u)\n",
+				  i, track->aa.pitch, track->cb[0].cpp,
+				  track->aa.offset, track->maxy);
+			return -EINVAL;
+		}
+	}
+	track->aa_dirty = false;
+
 	prim_walk = (track->vap_vf_cntl >> 4) & 0x3;
 	if (track->vap_vf_cntl & (1 << 14)) {
 		nverts = track->vap_alt_nverts;
@@ -3417,13 +3460,23 @@
 			  prim_walk);
 		return -EINVAL;
 	}
-	return r100_cs_track_texture_check(rdev, track);
+
+	if (track->tex_dirty) {
+		track->tex_dirty = false;
+		return r100_cs_track_texture_check(rdev, track);
+	}
+	return 0;
 }
 
 void r100_cs_track_clear(struct radeon_device *rdev, struct r100_cs_track *track)
 {
 	unsigned i, face;
 
+	track->cb_dirty = true;
+	track->zb_dirty = true;
+	track->tex_dirty = true;
+	track->aa_dirty = true;
+
 	if (rdev->family < CHIP_R300) {
 		track->num_cb = 1;
 		if (rdev->family <= CHIP_RS200)
@@ -3437,6 +3490,8 @@
 		track->num_texture = 16;
 		track->maxy = 4096;
 		track->separate_cube = 0;
+		track->aaresolve = false;
+		track->aa.robj = NULL;
 	}
 
 	for (i = 0; i < track->num_cb; i++) {
@@ -3746,8 +3801,6 @@
 	r100_mc_program(rdev);
 	/* Resume clock */
 	r100_clock_startup(rdev);
-	/* Initialize GPU configuration (# pipes, ...) */
-//	r100_gpu_init(rdev);
 	/* Initialize GART (initialize after TTM so we can allocate
 	 * memory through TTM but finalize after TTM) */
 	r100_enable_bm(rdev);
diff --git a/drivers/gpu/drm/radeon/r100_track.h b/drivers/gpu/drm/radeon/r100_track.h
index af65600..2fef9de 100644
--- a/drivers/gpu/drm/radeon/r100_track.h
+++ b/drivers/gpu/drm/radeon/r100_track.h
@@ -52,14 +52,7 @@
 	unsigned                compress_format;
 };
 
-struct r100_cs_track_limits {
-	unsigned num_cb;
-	unsigned num_texture;
-	unsigned max_levels;
-};
-
 struct r100_cs_track {
-	struct radeon_device *rdev;
 	unsigned			num_cb;
 	unsigned                        num_texture;
 	unsigned			maxy;
@@ -73,11 +66,17 @@
 	struct r100_cs_track_array	arrays[11];
 	struct r100_cs_track_cb 	cb[R300_MAX_CB];
 	struct r100_cs_track_cb 	zb;
+	struct r100_cs_track_cb 	aa;
 	struct r100_cs_track_texture	textures[R300_TRACK_MAX_TEXTURE];
 	bool				z_enabled;
 	bool                            separate_cube;
 	bool				zb_cb_clear;
 	bool				blend_read_enable;
+	bool				cb_dirty;
+	bool				zb_dirty;
+	bool				tex_dirty;
+	bool				aa_dirty;
+	bool				aaresolve;
 };
 
 int r100_cs_track_check(struct radeon_device *rdev, struct r100_cs_track *track);
diff --git a/drivers/gpu/drm/radeon/r200.c b/drivers/gpu/drm/radeon/r200.c
index d2408c3..f240583 100644
--- a/drivers/gpu/drm/radeon/r200.c
+++ b/drivers/gpu/drm/radeon/r200.c
@@ -184,6 +184,7 @@
 		}
 		track->zb.robj = reloc->robj;
 		track->zb.offset = idx_value;
+		track->zb_dirty = true;
 		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
 		break;
 	case RADEON_RB3D_COLOROFFSET:
@@ -196,6 +197,7 @@
 		}
 		track->cb[0].robj = reloc->robj;
 		track->cb[0].offset = idx_value;
+		track->cb_dirty = true;
 		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
 		break;
 	case R200_PP_TXOFFSET_0:
@@ -214,6 +216,7 @@
 		}
 		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
 		track->textures[i].robj = reloc->robj;
+		track->tex_dirty = true;
 		break;
 	case R200_PP_CUBIC_OFFSET_F1_0:
 	case R200_PP_CUBIC_OFFSET_F2_0:
@@ -257,9 +260,12 @@
 		track->textures[i].cube_info[face - 1].offset = idx_value;
 		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
 		track->textures[i].cube_info[face - 1].robj = reloc->robj;
+		track->tex_dirty = true;
 		break;
 	case RADEON_RE_WIDTH_HEIGHT:
 		track->maxy = ((idx_value >> 16) & 0x7FF);
+		track->cb_dirty = true;
+		track->zb_dirty = true;
 		break;
 	case RADEON_RB3D_COLORPITCH:
 		r = r100_cs_packet_next_reloc(p, &reloc);
@@ -280,9 +286,11 @@
 		ib[idx] = tmp;
 
 		track->cb[0].pitch = idx_value & RADEON_COLORPITCH_MASK;
+		track->cb_dirty = true;
 		break;
 	case RADEON_RB3D_DEPTHPITCH:
 		track->zb.pitch = idx_value & RADEON_DEPTHPITCH_MASK;
+		track->zb_dirty = true;
 		break;
 	case RADEON_RB3D_CNTL:
 		switch ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f) {
@@ -312,6 +320,8 @@
 		}
 
 		track->z_enabled = !!(idx_value & RADEON_Z_ENABLE);
+		track->cb_dirty = true;
+		track->zb_dirty = true;
 		break;
 	case RADEON_RB3D_ZSTENCILCNTL:
 		switch (idx_value & 0xf) {
@@ -329,6 +339,7 @@
 		default:
 			break;
 		}
+		track->zb_dirty = true;
 		break;
 	case RADEON_RB3D_ZPASS_ADDR:
 		r = r100_cs_packet_next_reloc(p, &reloc);
@@ -345,6 +356,7 @@
 			uint32_t temp = idx_value >> 4;
 			for (i = 0; i < track->num_texture; i++)
 				track->textures[i].enabled = !!(temp & (1 << i));
+			track->tex_dirty = true;
 		}
 		break;
 	case RADEON_SE_VF_CNTL:
@@ -369,6 +381,7 @@
 		i = (reg - R200_PP_TXSIZE_0) / 32;
 		track->textures[i].width = (idx_value & RADEON_TEX_USIZE_MASK) + 1;
 		track->textures[i].height = ((idx_value & RADEON_TEX_VSIZE_MASK) >> RADEON_TEX_VSIZE_SHIFT) + 1;
+		track->tex_dirty = true;
 		break;
 	case R200_PP_TXPITCH_0:
 	case R200_PP_TXPITCH_1:
@@ -378,6 +391,7 @@
 	case R200_PP_TXPITCH_5:
 		i = (reg - R200_PP_TXPITCH_0) / 32;
 		track->textures[i].pitch = idx_value + 32;
+		track->tex_dirty = true;
 		break;
 	case R200_PP_TXFILTER_0:
 	case R200_PP_TXFILTER_1:
@@ -394,6 +408,7 @@
 		tmp = (idx_value >> 27) & 0x7;
 		if (tmp == 2 || tmp == 6)
 			track->textures[i].roundup_h = false;
+		track->tex_dirty = true;
 		break;
 	case R200_PP_TXMULTI_CTL_0:
 	case R200_PP_TXMULTI_CTL_1:
@@ -432,6 +447,7 @@
 			track->textures[i].tex_coord_type = 1;
 			break;
 		}
+		track->tex_dirty = true;
 		break;
 	case R200_PP_TXFORMAT_0:
 	case R200_PP_TXFORMAT_1:
@@ -488,6 +504,7 @@
 		}
 		track->textures[i].cube_info[4].width = 1 << ((idx_value >> 16) & 0xf);
 		track->textures[i].cube_info[4].height = 1 << ((idx_value >> 20) & 0xf);
+		track->tex_dirty = true;
 		break;
 	case R200_PP_CUBIC_FACES_0:
 	case R200_PP_CUBIC_FACES_1:
@@ -501,6 +518,7 @@
 			track->textures[i].cube_info[face].width = 1 << ((tmp >> (face * 8)) & 0xf);
 			track->textures[i].cube_info[face].height = 1 << ((tmp >> ((face * 8) + 4)) & 0xf);
 		}
+		track->tex_dirty = true;
 		break;
 	default:
 		printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
index 55fe5ba..069efa8 100644
--- a/drivers/gpu/drm/radeon/r300.c
+++ b/drivers/gpu/drm/radeon/r300.c
@@ -667,6 +667,7 @@
 		}
 		track->cb[i].robj = reloc->robj;
 		track->cb[i].offset = idx_value;
+		track->cb_dirty = true;
 		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
 		break;
 	case R300_ZB_DEPTHOFFSET:
@@ -679,6 +680,7 @@
 		}
 		track->zb.robj = reloc->robj;
 		track->zb.offset = idx_value;
+		track->zb_dirty = true;
 		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
 		break;
 	case R300_TX_OFFSET_0:
@@ -717,6 +719,7 @@
 		tmp |= tile_flags;
 		ib[idx] = tmp;
 		track->textures[i].robj = reloc->robj;
+		track->tex_dirty = true;
 		break;
 	/* Tracked registers */
 	case 0x2084:
@@ -743,6 +746,8 @@
 		if (p->rdev->family < CHIP_RV515) {
 			track->maxy -= 1440;
 		}
+		track->cb_dirty = true;
+		track->zb_dirty = true;
 		break;
 	case 0x4E00:
 		/* RB3D_CCTL */
@@ -752,6 +757,7 @@
 			return -EINVAL;
 		}
 		track->num_cb = ((idx_value >> 5) & 0x3) + 1;
+		track->cb_dirty = true;
 		break;
 	case 0x4E38:
 	case 0x4E3C:
@@ -814,6 +820,7 @@
 				  ((idx_value >> 21) & 0xF));
 			return -EINVAL;
 		}
+		track->cb_dirty = true;
 		break;
 	case 0x4F00:
 		/* ZB_CNTL */
@@ -822,6 +829,7 @@
 		} else {
 			track->z_enabled = false;
 		}
+		track->zb_dirty = true;
 		break;
 	case 0x4F10:
 		/* ZB_FORMAT */
@@ -838,6 +846,7 @@
 				  (idx_value & 0xF));
 			return -EINVAL;
 		}
+		track->zb_dirty = true;
 		break;
 	case 0x4F24:
 		/* ZB_DEPTHPITCH */
@@ -861,14 +870,17 @@
 		ib[idx] = tmp;
 
 		track->zb.pitch = idx_value & 0x3FFC;
+		track->zb_dirty = true;
 		break;
 	case 0x4104:
+		/* TX_ENABLE */
 		for (i = 0; i < 16; i++) {
 			bool enabled;
 
 			enabled = !!(idx_value & (1 << i));
 			track->textures[i].enabled = enabled;
 		}
+		track->tex_dirty = true;
 		break;
 	case 0x44C0:
 	case 0x44C4:
@@ -898,6 +910,7 @@
 			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 			break;
 		case R300_TX_FORMAT_X16:
+		case R300_TX_FORMAT_FL_I16:
 		case R300_TX_FORMAT_Y8X8:
 		case R300_TX_FORMAT_Z5Y6X5:
 		case R300_TX_FORMAT_Z6Y5X5:
@@ -910,6 +923,7 @@
 			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 			break;
 		case R300_TX_FORMAT_Y16X16:
+		case R300_TX_FORMAT_FL_I16A16:
 		case R300_TX_FORMAT_Z11Y11X10:
 		case R300_TX_FORMAT_Z10Y11X11:
 		case R300_TX_FORMAT_W8Z8Y8X8:
@@ -951,8 +965,8 @@
 			DRM_ERROR("Invalid texture format %u\n",
 				  (idx_value & 0x1F));
 			return -EINVAL;
-			break;
 		}
+		track->tex_dirty = true;
 		break;
 	case 0x4400:
 	case 0x4404:
@@ -980,6 +994,7 @@
 		if (tmp == 2 || tmp == 4 || tmp == 6) {
 			track->textures[i].roundup_h = false;
 		}
+		track->tex_dirty = true;
 		break;
 	case 0x4500:
 	case 0x4504:
@@ -1017,6 +1032,7 @@
 			DRM_ERROR("Forbidden bit TXFORMAT_MSB\n");
 			return -EINVAL;
 		}
+		track->tex_dirty = true;
 		break;
 	case 0x4480:
 	case 0x4484:
@@ -1046,6 +1062,7 @@
 		track->textures[i].use_pitch = !!tmp;
 		tmp = (idx_value >> 22) & 0xF;
 		track->textures[i].txdepth = tmp;
+		track->tex_dirty = true;
 		break;
 	case R300_ZB_ZPASS_ADDR:
 		r = r100_cs_packet_next_reloc(p, &reloc);
@@ -1060,6 +1077,7 @@
 	case 0x4e0c:
 		/* RB3D_COLOR_CHANNEL_MASK */
 		track->color_channel_mask = idx_value;
+		track->cb_dirty = true;
 		break;
 	case 0x43a4:
 		/* SC_HYPERZ_EN */
@@ -1073,6 +1091,8 @@
 	case 0x4f1c:
 		/* ZB_BW_CNTL */
 		track->zb_cb_clear = !!(idx_value & (1 << 5));
+		track->cb_dirty = true;
+		track->zb_dirty = true;
 		if (p->rdev->hyperz_filp != p->filp) {
 			if (idx_value & (R300_HIZ_ENABLE |
 					 R300_RD_COMP_ENABLE |
@@ -1084,8 +1104,28 @@
 	case 0x4e04:
 		/* RB3D_BLENDCNTL */
 		track->blend_read_enable = !!(idx_value & (1 << 2));
+		track->cb_dirty = true;
 		break;
-	case 0x4f28: /* ZB_DEPTHCLEARVALUE */
+	case R300_RB3D_AARESOLVE_OFFSET:
+		r = r100_cs_packet_next_reloc(p, &reloc);
+		if (r) {
+			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
+				  idx, reg);
+			r100_cs_dump_packet(p, pkt);
+			return r;
+		}
+		track->aa.robj = reloc->robj;
+		track->aa.offset = idx_value;
+		track->aa_dirty = true;
+		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
+		break;
+	case R300_RB3D_AARESOLVE_PITCH:
+		track->aa.pitch = idx_value & 0x3FFE;
+		track->aa_dirty = true;
+		break;
+	case R300_RB3D_AARESOLVE_CTL:
+		track->aaresolve = idx_value & 0x1;
+		track->aa_dirty = true;
 		break;
 	case 0x4f30: /* ZB_MASK_OFFSET */
 	case 0x4f34: /* ZB_ZMASK_PITCH */
diff --git a/drivers/gpu/drm/radeon/r300_reg.h b/drivers/gpu/drm/radeon/r300_reg.h
index 1a0d536..f0bce39 100644
--- a/drivers/gpu/drm/radeon/r300_reg.h
+++ b/drivers/gpu/drm/radeon/r300_reg.h
@@ -1371,6 +1371,8 @@
 #define R300_RB3D_COLORPITCH2               0x4E40 /* GUESS */
 #define R300_RB3D_COLORPITCH3               0x4E44 /* GUESS */
 
+#define R300_RB3D_AARESOLVE_OFFSET          0x4E80
+#define R300_RB3D_AARESOLVE_PITCH           0x4E84
 #define R300_RB3D_AARESOLVE_CTL             0x4E88
 /* gap */
 
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 1cd56dc..b409b24 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -2106,7 +2106,11 @@
 
 	r600_cp_stop(rdev);
 
-	WREG32(CP_RB_CNTL, RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
+	WREG32(CP_RB_CNTL,
+#ifdef __BIG_ENDIAN
+	       BUF_SWAP_32BIT |
+#endif
+	       RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
 
 	/* Reset cp */
 	WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
@@ -2193,7 +2197,11 @@
 	WREG32(CP_RB_WPTR, 0);
 
 	/* set the wb address whether it's enabled or not */
-	WREG32(CP_RB_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC);
+	WREG32(CP_RB_RPTR_ADDR,
+#ifdef __BIG_ENDIAN
+	       RB_RPTR_SWAP(2) |
+#endif
+	       ((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC));
 	WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
 	WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
 
@@ -2629,7 +2637,11 @@
 {
 	/* FIXME: implement */
 	radeon_ring_write(rdev, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
-	radeon_ring_write(rdev, ib->gpu_addr & 0xFFFFFFFC);
+	radeon_ring_write(rdev,
+#ifdef __BIG_ENDIAN
+			  (2 << 0) |
+#endif
+			  (ib->gpu_addr & 0xFFFFFFFC));
 	radeon_ring_write(rdev, upper_32_bits(ib->gpu_addr) & 0xFF);
 	radeon_ring_write(rdev, ib->length_dw);
 }
@@ -3305,8 +3317,8 @@
 	while (rptr != wptr) {
 		/* wptr/rptr are in bytes! */
 		ring_index = rptr / 4;
-		src_id =  rdev->ih.ring[ring_index] & 0xff;
-		src_data = rdev->ih.ring[ring_index + 1] & 0xfffffff;
+		src_id = le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;
+		src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;
 
 		switch (src_id) {
 		case 1: /* D1 vblank/vline */
diff --git a/drivers/gpu/drm/radeon/r600_blit.c b/drivers/gpu/drm/radeon/r600_blit.c
index ca5c29f..7f10434 100644
--- a/drivers/gpu/drm/radeon/r600_blit.c
+++ b/drivers/gpu/drm/radeon/r600_blit.c
@@ -137,9 +137,9 @@
 	ps = (u32 *) ((char *)dev->agp_buffer_map->handle + dev_priv->blit_vb->offset + 256);
 
 	for (i = 0; i < r6xx_vs_size; i++)
-		vs[i] = r6xx_vs[i];
+		vs[i] = cpu_to_le32(r6xx_vs[i]);
 	for (i = 0; i < r6xx_ps_size; i++)
-		ps[i] = r6xx_ps[i];
+		ps[i] = cpu_to_le32(r6xx_ps[i]);
 
 	dev_priv->blit_vb->used = 512;
 
@@ -192,6 +192,9 @@
 	DRM_DEBUG("\n");
 
 	sq_vtx_constant_word2 = (((gpu_addr >> 32) & 0xff) | (16 << 8));
+#ifdef __BIG_ENDIAN
+	sq_vtx_constant_word2 |= (2 << 30);
+#endif
 
 	BEGIN_RING(9);
 	OUT_RING(CP_PACKET3(R600_IT_SET_RESOURCE, 7));
@@ -291,7 +294,11 @@
 	OUT_RING(DI_PT_RECTLIST);
 
 	OUT_RING(CP_PACKET3(R600_IT_INDEX_TYPE, 0));
+#ifdef __BIG_ENDIAN
+	OUT_RING((2 << 2) | DI_INDEX_SIZE_16_BIT);
+#else
 	OUT_RING(DI_INDEX_SIZE_16_BIT);
+#endif
 
 	OUT_RING(CP_PACKET3(R600_IT_NUM_INSTANCES, 0));
 	OUT_RING(1);
diff --git a/drivers/gpu/drm/radeon/r600_blit_kms.c b/drivers/gpu/drm/radeon/r600_blit_kms.c
index 16e211a..2fed917 100644
--- a/drivers/gpu/drm/radeon/r600_blit_kms.c
+++ b/drivers/gpu/drm/radeon/r600_blit_kms.c
@@ -54,7 +54,7 @@
 	if (h < 8)
 		h = 8;
 
-	cb_color_info = ((format << 2) | (1 << 27));
+	cb_color_info = ((format << 2) | (1 << 27) | (1 << 8));
 	pitch = (w / 8) - 1;
 	slice = ((w * h) / 64) - 1;
 
@@ -165,6 +165,9 @@
 	u32 sq_vtx_constant_word2;
 
 	sq_vtx_constant_word2 = ((upper_32_bits(gpu_addr) & 0xff) | (16 << 8));
+#ifdef __BIG_ENDIAN
+	sq_vtx_constant_word2 |= (2 << 30);
+#endif
 
 	radeon_ring_write(rdev, PACKET3(PACKET3_SET_RESOURCE, 7));
 	radeon_ring_write(rdev, 0x460);
@@ -199,7 +202,7 @@
 	if (h < 1)
 		h = 1;
 
-	sq_tex_resource_word0 = (1 << 0);
+	sq_tex_resource_word0 = (1 << 0) | (1 << 3);
 	sq_tex_resource_word0 |= ((((pitch >> 3) - 1) << 8) |
 				  ((w - 1) << 19));
 
@@ -253,7 +256,11 @@
 	radeon_ring_write(rdev, DI_PT_RECTLIST);
 
 	radeon_ring_write(rdev, PACKET3(PACKET3_INDEX_TYPE, 0));
-	radeon_ring_write(rdev, DI_INDEX_SIZE_16_BIT);
+	radeon_ring_write(rdev,
+#ifdef __BIG_ENDIAN
+			  (2 << 2) |
+#endif
+			  DI_INDEX_SIZE_16_BIT);
 
 	radeon_ring_write(rdev, PACKET3(PACKET3_NUM_INSTANCES, 0));
 	radeon_ring_write(rdev, 1);
@@ -424,7 +431,11 @@
 	dwords = ALIGN(rdev->r600_blit.state_len, 0x10);
 	gpu_addr = rdev->r600_blit.shader_gpu_addr + rdev->r600_blit.state_offset;
 	radeon_ring_write(rdev, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
-	radeon_ring_write(rdev, gpu_addr & 0xFFFFFFFC);
+	radeon_ring_write(rdev,
+#ifdef __BIG_ENDIAN
+			  (2 << 0) |
+#endif
+			  (gpu_addr & 0xFFFFFFFC));
 	radeon_ring_write(rdev, upper_32_bits(gpu_addr) & 0xFF);
 	radeon_ring_write(rdev, dwords);
 
@@ -467,7 +478,7 @@
 int r600_blit_init(struct radeon_device *rdev)
 {
 	u32 obj_size;
-	int r, dwords;
+	int i, r, dwords;
 	void *ptr;
 	u32 packet2s[16];
 	int num_packet2s = 0;
@@ -486,7 +497,7 @@
 
 	dwords = rdev->r600_blit.state_len;
 	while (dwords & 0xf) {
-		packet2s[num_packet2s++] = PACKET2(0);
+		packet2s[num_packet2s++] = cpu_to_le32(PACKET2(0));
 		dwords++;
 	}
 
@@ -529,8 +540,10 @@
 	if (num_packet2s)
 		memcpy_toio(ptr + rdev->r600_blit.state_offset + (rdev->r600_blit.state_len * 4),
 			    packet2s, num_packet2s * 4);
-	memcpy(ptr + rdev->r600_blit.vs_offset, r6xx_vs, r6xx_vs_size * 4);
-	memcpy(ptr + rdev->r600_blit.ps_offset, r6xx_ps, r6xx_ps_size * 4);
+	for (i = 0; i < r6xx_vs_size; i++)
+		*(u32 *)((unsigned long)ptr + rdev->r600_blit.vs_offset + i * 4) = cpu_to_le32(r6xx_vs[i]);
+	for (i = 0; i < r6xx_ps_size; i++)
+		*(u32 *)((unsigned long)ptr + rdev->r600_blit.ps_offset + i * 4) = cpu_to_le32(r6xx_ps[i]);
 	radeon_bo_kunmap(rdev->r600_blit.shader_obj);
 	radeon_bo_unreserve(rdev->r600_blit.shader_obj);
 
diff --git a/drivers/gpu/drm/radeon/r600_blit_shaders.c b/drivers/gpu/drm/radeon/r600_blit_shaders.c
index e8151c1..2d1f6c5 100644
--- a/drivers/gpu/drm/radeon/r600_blit_shaders.c
+++ b/drivers/gpu/drm/radeon/r600_blit_shaders.c
@@ -684,7 +684,11 @@
 	0x00000000,
 	0x3c000000,
 	0x68cd1000,
+#ifdef __BIG_ENDIAN
+	0x000a0000,
+#else
 	0x00080000,
+#endif
 	0x00000000,
 };
 
diff --git a/drivers/gpu/drm/radeon/r600_cp.c b/drivers/gpu/drm/radeon/r600_cp.c
index 4f4cd8b..c3ab959 100644
--- a/drivers/gpu/drm/radeon/r600_cp.c
+++ b/drivers/gpu/drm/radeon/r600_cp.c
@@ -396,6 +396,9 @@
 	r600_do_cp_stop(dev_priv);
 
 	RADEON_WRITE(R600_CP_RB_CNTL,
+#ifdef __BIG_ENDIAN
+		     R600_BUF_SWAP_32BIT |
+#endif
 		     R600_RB_NO_UPDATE |
 		     R600_RB_BLKSZ(15) |
 		     R600_RB_BUFSZ(3));
@@ -486,9 +489,12 @@
 	r600_do_cp_stop(dev_priv);
 
 	RADEON_WRITE(R600_CP_RB_CNTL,
+#ifdef __BIG_ENDIAN
+		     R600_BUF_SWAP_32BIT |
+#endif
 		     R600_RB_NO_UPDATE |
-		     (15 << 8) |
-		     (3 << 0));
+		     R600_RB_BLKSZ(15) |
+		     R600_RB_BUFSZ(3));
 
 	RADEON_WRITE(R600_GRBM_SOFT_RESET, R600_SOFT_RESET_CP);
 	RADEON_READ(R600_GRBM_SOFT_RESET);
@@ -550,8 +556,12 @@
 
 	if (!dev_priv->writeback_works) {
 		/* Disable writeback to avoid unnecessary bus master transfer */
-		RADEON_WRITE(R600_CP_RB_CNTL, RADEON_READ(R600_CP_RB_CNTL) |
-			     RADEON_RB_NO_UPDATE);
+		RADEON_WRITE(R600_CP_RB_CNTL,
+#ifdef __BIG_ENDIAN
+			     R600_BUF_SWAP_32BIT |
+#endif
+			     RADEON_READ(R600_CP_RB_CNTL) |
+			     R600_RB_NO_UPDATE);
 		RADEON_WRITE(R600_SCRATCH_UMSK, 0);
 	}
 }
@@ -575,7 +585,11 @@
 
 	RADEON_WRITE(R600_CP_RB_WPTR_DELAY, 0);
 	cp_rb_cntl = RADEON_READ(R600_CP_RB_CNTL);
-	RADEON_WRITE(R600_CP_RB_CNTL, R600_RB_RPTR_WR_ENA);
+	RADEON_WRITE(R600_CP_RB_CNTL,
+#ifdef __BIG_ENDIAN
+		     R600_BUF_SWAP_32BIT |
+#endif
+		     R600_RB_RPTR_WR_ENA);
 
 	RADEON_WRITE(R600_CP_RB_RPTR_WR, cp_ptr);
 	RADEON_WRITE(R600_CP_RB_WPTR, cp_ptr);
@@ -1838,7 +1852,10 @@
 			+ dev_priv->gart_vm_start;
 	}
 	RADEON_WRITE(R600_CP_RB_RPTR_ADDR,
-		     rptr_addr & 0xffffffff);
+#ifdef __BIG_ENDIAN
+		     (2 << 0) |
+#endif
+		     (rptr_addr & 0xfffffffc));
 	RADEON_WRITE(R600_CP_RB_RPTR_ADDR_HI,
 		     upper_32_bits(rptr_addr));
 
@@ -1889,7 +1906,7 @@
 	{
 		u64 scratch_addr;
 
-		scratch_addr = RADEON_READ(R600_CP_RB_RPTR_ADDR);
+		scratch_addr = RADEON_READ(R600_CP_RB_RPTR_ADDR) & 0xFFFFFFFC;
 		scratch_addr |= ((u64)RADEON_READ(R600_CP_RB_RPTR_ADDR_HI)) << 32;
 		scratch_addr += R600_SCRATCH_REG_OFFSET;
 		scratch_addr >>= 8;
diff --git a/drivers/gpu/drm/radeon/r600_cs.c b/drivers/gpu/drm/radeon/r600_cs.c
index fe0c8eb..0a0848f 100644
--- a/drivers/gpu/drm/radeon/r600_cs.c
+++ b/drivers/gpu/drm/radeon/r600_cs.c
@@ -388,17 +388,18 @@
 	}
 
 	if (!IS_ALIGNED(pitch, pitch_align)) {
-		dev_warn(p->dev, "%s:%d cb pitch (%d) invalid\n",
-			 __func__, __LINE__, pitch);
+		dev_warn(p->dev, "%s:%d cb pitch (%d, 0x%x, %d) invalid\n",
+			 __func__, __LINE__, pitch, pitch_align, array_mode);
 		return -EINVAL;
 	}
 	if (!IS_ALIGNED(height, height_align)) {
-		dev_warn(p->dev, "%s:%d cb height (%d) invalid\n",
-			 __func__, __LINE__, height);
+		dev_warn(p->dev, "%s:%d cb height (%d, 0x%x, %d) invalid\n",
+			 __func__, __LINE__, height, height_align, array_mode);
 		return -EINVAL;
 	}
 	if (!IS_ALIGNED(base_offset, base_align)) {
-		dev_warn(p->dev, "%s offset[%d] 0x%llx not aligned\n", __func__, i, base_offset);
+		dev_warn(p->dev, "%s offset[%d] 0x%llx 0x%llx, %d not aligned\n", __func__, i,
+			 base_offset, base_align, array_mode);
 		return -EINVAL;
 	}
 
@@ -413,7 +414,10 @@
 			 * broken userspace.
 			 */
 		} else {
-			dev_warn(p->dev, "%s offset[%d] %d %d %lu too big\n", __func__, i, track->cb_color_bo_offset[i], tmp, radeon_bo_size(track->cb_color_bo[i]));
+			dev_warn(p->dev, "%s offset[%d] %d %d %d %lu too big\n", __func__, i,
+				 array_mode,
+				 track->cb_color_bo_offset[i], tmp,
+				 radeon_bo_size(track->cb_color_bo[i]));
 			return -EINVAL;
 		}
 	}
@@ -548,17 +552,18 @@
 			}
 
 			if (!IS_ALIGNED(pitch, pitch_align)) {
-				dev_warn(p->dev, "%s:%d db pitch (%d) invalid\n",
-					 __func__, __LINE__, pitch);
+				dev_warn(p->dev, "%s:%d db pitch (%d, 0x%x, %d) invalid\n",
+					 __func__, __LINE__, pitch, pitch_align, array_mode);
 				return -EINVAL;
 			}
 			if (!IS_ALIGNED(height, height_align)) {
-				dev_warn(p->dev, "%s:%d db height (%d) invalid\n",
-					 __func__, __LINE__, height);
+				dev_warn(p->dev, "%s:%d db height (%d, 0x%x, %d) invalid\n",
+					 __func__, __LINE__, height, height_align, array_mode);
 				return -EINVAL;
 			}
 			if (!IS_ALIGNED(base_offset, base_align)) {
-				dev_warn(p->dev, "%s offset[%d] 0x%llx not aligned\n", __func__, i, base_offset);
+				dev_warn(p->dev, "%s offset[%d] 0x%llx, 0x%llx, %d not aligned\n", __func__, i,
+					 base_offset, base_align, array_mode);
 				return -EINVAL;
 			}
 
@@ -566,9 +571,10 @@
 			nviews = G_028004_SLICE_MAX(track->db_depth_view) + 1;
 			tmp = ntiles * bpe * 64 * nviews;
 			if ((tmp + track->db_offset) > radeon_bo_size(track->db_bo)) {
-				dev_warn(p->dev, "z/stencil buffer too small (0x%08X %d %d %d -> %u have %lu)\n",
-						track->db_depth_size, ntiles, nviews, bpe, tmp + track->db_offset,
-						radeon_bo_size(track->db_bo));
+				dev_warn(p->dev, "z/stencil buffer (%d) too small (0x%08X %d %d %d -> %u have %lu)\n",
+					 array_mode,
+					 track->db_depth_size, ntiles, nviews, bpe, tmp + track->db_offset,
+					 radeon_bo_size(track->db_bo));
 				return -EINVAL;
 			}
 		}
@@ -1350,18 +1356,18 @@
 	/* XXX check height as well... */
 
 	if (!IS_ALIGNED(pitch, pitch_align)) {
-		dev_warn(p->dev, "%s:%d tex pitch (%d) invalid\n",
-			 __func__, __LINE__, pitch);
+		dev_warn(p->dev, "%s:%d tex pitch (%d, 0x%x, %d) invalid\n",
+			 __func__, __LINE__, pitch, pitch_align, G_038000_TILE_MODE(word0));
 		return -EINVAL;
 	}
 	if (!IS_ALIGNED(base_offset, base_align)) {
-		dev_warn(p->dev, "%s:%d tex base offset (0x%llx) invalid\n",
-			 __func__, __LINE__, base_offset);
+		dev_warn(p->dev, "%s:%d tex base offset (0x%llx, 0x%llx, %d) invalid\n",
+			 __func__, __LINE__, base_offset, base_align, G_038000_TILE_MODE(word0));
 		return -EINVAL;
 	}
 	if (!IS_ALIGNED(mip_offset, base_align)) {
-		dev_warn(p->dev, "%s:%d tex mip offset (0x%llx) invalid\n",
-			 __func__, __LINE__, mip_offset);
+		dev_warn(p->dev, "%s:%d tex mip offset (0x%llx, 0x%llx, %d) invalid\n",
+			 __func__, __LINE__, mip_offset, base_align, G_038000_TILE_MODE(word0));
 		return -EINVAL;
 	}
 
diff --git a/drivers/gpu/drm/radeon/r600d.h b/drivers/gpu/drm/radeon/r600d.h
index d1f5986..b2b944bc 100644
--- a/drivers/gpu/drm/radeon/r600d.h
+++ b/drivers/gpu/drm/radeon/r600d.h
@@ -154,13 +154,14 @@
 #define		ROQ_IB2_START(x)				((x) << 8)
 #define	CP_RB_BASE					0xC100
 #define	CP_RB_CNTL					0xC104
-#define		RB_BUFSZ(x)					((x)<<0)
-#define		RB_BLKSZ(x)					((x)<<8)
-#define		RB_NO_UPDATE					(1<<27)
-#define		RB_RPTR_WR_ENA					(1<<31)
+#define		RB_BUFSZ(x)					((x) << 0)
+#define		RB_BLKSZ(x)					((x) << 8)
+#define		RB_NO_UPDATE					(1 << 27)
+#define		RB_RPTR_WR_ENA					(1 << 31)
 #define		BUF_SWAP_32BIT					(2 << 16)
 #define	CP_RB_RPTR					0x8700
 #define	CP_RB_RPTR_ADDR					0xC10C
+#define		RB_RPTR_SWAP(x)					((x) << 0)
 #define	CP_RB_RPTR_ADDR_HI				0xC110
 #define	CP_RB_RPTR_WR					0xC108
 #define	CP_RB_WPTR					0xC114
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 5c1cc7a..02d5c41 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -88,7 +88,7 @@
 			/* some evergreen boards have bad data for this entry */
 			if (ASIC_IS_DCE4(rdev)) {
 				if ((i == 7) &&
-				    (gpio->usClkMaskRegisterIndex == 0x1936) &&
+				    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x1936) &&
 				    (gpio->sucI2cId.ucAccess == 0)) {
 					gpio->sucI2cId.ucAccess = 0x97;
 					gpio->ucDataMaskShift = 8;
@@ -101,7 +101,7 @@
 			/* some DCE3 boards have bad data for this entry */
 			if (ASIC_IS_DCE3(rdev)) {
 				if ((i == 4) &&
-				    (gpio->usClkMaskRegisterIndex == 0x1fda) &&
+				    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x1fda) &&
 				    (gpio->sucI2cId.ucAccess == 0x94))
 					gpio->sucI2cId.ucAccess = 0x14;
 			}
@@ -172,7 +172,7 @@
 			/* some evergreen boards have bad data for this entry */
 			if (ASIC_IS_DCE4(rdev)) {
 				if ((i == 7) &&
-				    (gpio->usClkMaskRegisterIndex == 0x1936) &&
+				    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x1936) &&
 				    (gpio->sucI2cId.ucAccess == 0)) {
 					gpio->sucI2cId.ucAccess = 0x97;
 					gpio->ucDataMaskShift = 8;
@@ -185,7 +185,7 @@
 			/* some DCE3 boards have bad data for this entry */
 			if (ASIC_IS_DCE3(rdev)) {
 				if ((i == 4) &&
-				    (gpio->usClkMaskRegisterIndex == 0x1fda) &&
+				    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x1fda) &&
 				    (gpio->sucI2cId.ucAccess == 0x94))
 					gpio->sucI2cId.ucAccess = 0x14;
 			}
@@ -252,7 +252,7 @@
 			pin = &gpio_info->asGPIO_Pin[i];
 			if (id == pin->ucGPIO_ID) {
 				gpio.id = pin->ucGPIO_ID;
-				gpio.reg = pin->usGpioPin_AIndex * 4;
+				gpio.reg = le16_to_cpu(pin->usGpioPin_AIndex) * 4;
 				gpio.mask = (1 << pin->ucGpioPinBitShift);
 				gpio.valid = true;
 				break;
@@ -1274,11 +1274,11 @@
 				      data_offset);
 		switch (crev) {
 		case 1:
-			if (igp_info->info.ulBootUpMemoryClock)
+			if (le32_to_cpu(igp_info->info.ulBootUpMemoryClock))
 				return true;
 			break;
 		case 2:
-			if (igp_info->info_2.ulBootUpSidePortClock)
+			if (le32_to_cpu(igp_info->info_2.ulBootUpSidePortClock))
 				return true;
 			break;
 		default:
@@ -1442,7 +1442,7 @@
 
 			for (i = 0; i < num_indices; i++) {
 				if ((ss_info->info.asSpreadSpectrum[i].ucClockIndication == id) &&
-				    (clock <= ss_info->info.asSpreadSpectrum[i].ulTargetClockRange)) {
+				    (clock <= le32_to_cpu(ss_info->info.asSpreadSpectrum[i].ulTargetClockRange))) {
 					ss->percentage =
 						le16_to_cpu(ss_info->info.asSpreadSpectrum[i].usSpreadSpectrumPercentage);
 					ss->type = ss_info->info.asSpreadSpectrum[i].ucSpreadSpectrumMode;
@@ -1456,7 +1456,7 @@
 				sizeof(ATOM_ASIC_SS_ASSIGNMENT_V2);
 			for (i = 0; i < num_indices; i++) {
 				if ((ss_info->info_2.asSpreadSpectrum[i].ucClockIndication == id) &&
-				    (clock <= ss_info->info_2.asSpreadSpectrum[i].ulTargetClockRange)) {
+				    (clock <= le32_to_cpu(ss_info->info_2.asSpreadSpectrum[i].ulTargetClockRange))) {
 					ss->percentage =
 						le16_to_cpu(ss_info->info_2.asSpreadSpectrum[i].usSpreadSpectrumPercentage);
 					ss->type = ss_info->info_2.asSpreadSpectrum[i].ucSpreadSpectrumMode;
@@ -1470,7 +1470,7 @@
 				sizeof(ATOM_ASIC_SS_ASSIGNMENT_V3);
 			for (i = 0; i < num_indices; i++) {
 				if ((ss_info->info_3.asSpreadSpectrum[i].ucClockIndication == id) &&
-				    (clock <= ss_info->info_3.asSpreadSpectrum[i].ulTargetClockRange)) {
+				    (clock <= le32_to_cpu(ss_info->info_3.asSpreadSpectrum[i].ulTargetClockRange))) {
 					ss->percentage =
 						le16_to_cpu(ss_info->info_3.asSpreadSpectrum[i].usSpreadSpectrumPercentage);
 					ss->type = ss_info->info_3.asSpreadSpectrum[i].ucSpreadSpectrumMode;
@@ -1553,8 +1553,8 @@
 		if (misc & ATOM_DOUBLE_CLOCK_MODE)
 			lvds->native_mode.flags |= DRM_MODE_FLAG_DBLSCAN;
 
-		lvds->native_mode.width_mm = lvds_info->info.sLCDTiming.usImageHSize;
-		lvds->native_mode.height_mm = lvds_info->info.sLCDTiming.usImageVSize;
+		lvds->native_mode.width_mm = le16_to_cpu(lvds_info->info.sLCDTiming.usImageHSize);
+		lvds->native_mode.height_mm = le16_to_cpu(lvds_info->info.sLCDTiming.usImageVSize);
 
 		/* set crtc values */
 		drm_mode_set_crtcinfo(&lvds->native_mode, CRTC_INTERLACE_HALVE_V);
@@ -1569,13 +1569,13 @@
 			lvds->linkb = false;
 
 		/* parse the lcd record table */
-		if (lvds_info->info.usModePatchTableOffset) {
+		if (le16_to_cpu(lvds_info->info.usModePatchTableOffset)) {
 			ATOM_FAKE_EDID_PATCH_RECORD *fake_edid_record;
 			ATOM_PANEL_RESOLUTION_PATCH_RECORD *panel_res_record;
 			bool bad_record = false;
 			u8 *record = (u8 *)(mode_info->atom_context->bios +
 					    data_offset +
-					    lvds_info->info.usModePatchTableOffset);
+					    le16_to_cpu(lvds_info->info.usModePatchTableOffset));
 			while (*record != ATOM_RECORD_END_TYPE) {
 				switch (*record) {
 				case LCD_MODE_PATCH_RECORD_MODE_TYPE:
@@ -2189,7 +2189,7 @@
 		firmware_info =
 			(union firmware_info *)(mode_info->atom_context->bios +
 						data_offset);
-		vddc = firmware_info->info_14.usBootUpVDDCVoltage;
+		vddc = le16_to_cpu(firmware_info->info_14.usBootUpVDDCVoltage);
 	}
 
 	return vddc;
@@ -2284,7 +2284,7 @@
 		rdev->pm.power_state[state_index].clock_info[mode_index].voltage.type =
 			VOLTAGE_SW;
 		rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage =
-			clock_info->evergreen.usVDDC;
+			le16_to_cpu(clock_info->evergreen.usVDDC);
 	} else {
 		sclk = le16_to_cpu(clock_info->r600.usEngineClockLow);
 		sclk |= clock_info->r600.ucEngineClockHigh << 16;
@@ -2295,7 +2295,7 @@
 		rdev->pm.power_state[state_index].clock_info[mode_index].voltage.type =
 			VOLTAGE_SW;
 		rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage =
-			clock_info->r600.usVDDC;
+			le16_to_cpu(clock_info->r600.usVDDC);
 	}
 
 	if (rdev->flags & RADEON_IS_IGP) {
@@ -2408,13 +2408,13 @@
 	radeon_atombios_add_pplib_thermal_controller(rdev, &power_info->pplib.sThermalController);
 	state_array = (struct StateArray *)
 		(mode_info->atom_context->bios + data_offset +
-		 power_info->pplib.usStateArrayOffset);
+		 le16_to_cpu(power_info->pplib.usStateArrayOffset));
 	clock_info_array = (struct ClockInfoArray *)
 		(mode_info->atom_context->bios + data_offset +
-		 power_info->pplib.usClockInfoArrayOffset);
+		 le16_to_cpu(power_info->pplib.usClockInfoArrayOffset));
 	non_clock_info_array = (struct NonClockInfoArray *)
 		(mode_info->atom_context->bios + data_offset +
-		 power_info->pplib.usNonClockInfoArrayOffset);
+		 le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset));
 	rdev->pm.power_state = kzalloc(sizeof(struct radeon_power_state) *
 				       state_array->ucNumEntries, GFP_KERNEL);
 	if (!rdev->pm.power_state)
@@ -2533,7 +2533,7 @@
 	int index = GetIndexIntoMasterTable(COMMAND, GetEngineClock);
 
 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
-	return args.ulReturnEngineClock;
+	return le32_to_cpu(args.ulReturnEngineClock);
 }
 
 uint32_t radeon_atom_get_memory_clock(struct radeon_device *rdev)
@@ -2542,7 +2542,7 @@
 	int index = GetIndexIntoMasterTable(COMMAND, GetMemoryClock);
 
 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
-	return args.ulReturnMemoryClock;
+	return le32_to_cpu(args.ulReturnMemoryClock);
 }
 
 void radeon_atom_set_engine_clock(struct radeon_device *rdev,
@@ -2551,7 +2551,7 @@
 	SET_ENGINE_CLOCK_PS_ALLOCATION args;
 	int index = GetIndexIntoMasterTable(COMMAND, SetEngineClock);
 
-	args.ulTargetEngineClock = eng_clock;	/* 10 khz */
+	args.ulTargetEngineClock = cpu_to_le32(eng_clock);	/* 10 khz */
 
 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 }
@@ -2565,7 +2565,7 @@
 	if (rdev->flags & RADEON_IS_IGP)
 		return;
 
-	args.ulTargetMemoryClock = mem_clock;	/* 10 khz */
+	args.ulTargetMemoryClock = cpu_to_le32(mem_clock);	/* 10 khz */
 
 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 }
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index d27ef74..cf7c8d5 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -1504,6 +1504,11 @@
 			   (rdev->pdev->subsystem_device == 0x4a48)) {
 			/* Mac X800 */
 			rdev->mode_info.connector_table = CT_MAC_X800;
+		} else if ((rdev->pdev->device == 0x4150) &&
+			   (rdev->pdev->subsystem_vendor == 0x1002) &&
+			   (rdev->pdev->subsystem_device == 0x4150)) {
+			/* Mac G5 9600 */
+			rdev->mode_info.connector_table = CT_MAC_G5_9600;
 		} else
 #endif /* CONFIG_PPC_PMAC */
 #ifdef CONFIG_PPC64
@@ -2022,6 +2027,48 @@
 					    CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I,
 					    &hpd);
 		break;
+	case CT_MAC_G5_9600:
+		DRM_INFO("Connector Table: %d (mac g5 9600)\n",
+			 rdev->mode_info.connector_table);
+		/* DVI - tv dac, dvo */
+		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
+		hpd.hpd = RADEON_HPD_1; /* ??? */
+		radeon_add_legacy_encoder(dev,
+					  radeon_get_encoder_enum(dev,
+								  ATOM_DEVICE_DFP2_SUPPORT,
+								  0),
+					  ATOM_DEVICE_DFP2_SUPPORT);
+		radeon_add_legacy_encoder(dev,
+					  radeon_get_encoder_enum(dev,
+								  ATOM_DEVICE_CRT2_SUPPORT,
+								  2),
+					  ATOM_DEVICE_CRT2_SUPPORT);
+		radeon_add_legacy_connector(dev, 0,
+					    ATOM_DEVICE_DFP2_SUPPORT |
+					    ATOM_DEVICE_CRT2_SUPPORT,
+					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
+					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
+					    &hpd);
+		/* ADC - primary dac, internal tmds */
+		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
+		hpd.hpd = RADEON_HPD_2; /* ??? */
+		radeon_add_legacy_encoder(dev,
+					  radeon_get_encoder_enum(dev,
+								  ATOM_DEVICE_DFP1_SUPPORT,
+								  0),
+					  ATOM_DEVICE_DFP1_SUPPORT);
+		radeon_add_legacy_encoder(dev,
+					  radeon_get_encoder_enum(dev,
+								  ATOM_DEVICE_CRT1_SUPPORT,
+								  1),
+					  ATOM_DEVICE_CRT1_SUPPORT);
+		radeon_add_legacy_connector(dev, 1,
+					    ATOM_DEVICE_DFP1_SUPPORT |
+					    ATOM_DEVICE_CRT1_SUPPORT,
+					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
+					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
+					    &hpd);
+		break;
 	default:
 		DRM_INFO("Connector table: %d (invalid)\n",
 			 rdev->mode_info.connector_table);
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 0ca5eb2..f0209be 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -937,8 +937,11 @@
 int radeon_gpu_reset(struct radeon_device *rdev)
 {
 	int r;
+	int resched;
 
 	radeon_save_bios_scratch_regs(rdev);
+	/* block TTM */
+	resched = ttm_bo_lock_delayed_workqueue(&rdev->mman.bdev);
 	radeon_suspend(rdev);
 
 	r = radeon_asic_reset(rdev);
@@ -947,6 +950,7 @@
 		radeon_resume(rdev);
 		radeon_restore_bios_scratch_regs(rdev);
 		drm_helper_resume_force_mode(rdev->ddev);
+		ttm_bo_unlock_delayed_workqueue(&rdev->mman.bdev, resched);
 		return 0;
 	}
 	/* bad news, how to tell it to userspace ? */
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 4409975..4be5879 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -793,6 +793,11 @@
 	tmp *= target_clock;
 	*fb_div = tmp / pll->reference_freq;
 	*frac_fb_div = tmp % pll->reference_freq;
+
+        if (*fb_div > pll->max_feedback_div)
+		*fb_div = pll->max_feedback_div;
+        else if (*fb_div < pll->min_feedback_div)
+                *fb_div = pll->min_feedback_div;
 }
 
 static u32 avivo_get_post_div(struct radeon_pll *pll,
@@ -826,6 +831,11 @@
 			post_div--;
 	}
 
+	if (post_div > pll->max_post_div)
+		post_div = pll->max_post_div;
+	else if (post_div < pll->min_post_div)
+		post_div = pll->min_post_div;
+
 	return post_div;
 }
 
@@ -961,7 +971,7 @@
 		max_fractional_feed_div = pll->max_frac_feedback_div;
 	}
 
-	for (post_div = min_post_div; post_div <= max_post_div; ++post_div) {
+	for (post_div = max_post_div; post_div >= min_post_div; --post_div) {
 		uint32_t ref_div;
 
 		if ((pll->flags & RADEON_PLL_NO_ODD_POST_DIV) && (post_div & 1))
diff --git a/drivers/gpu/drm/radeon/radeon_drv.h b/drivers/gpu/drm/radeon/radeon_drv.h
index 448eba8..5cba46b 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.h
+++ b/drivers/gpu/drm/radeon/radeon_drv.h
@@ -1524,6 +1524,7 @@
 #define R600_CP_RB_CNTL                                        0xc104
 #       define R600_RB_BUFSZ(x)                                ((x) << 0)
 #       define R600_RB_BLKSZ(x)                                ((x) << 8)
+#	define R600_BUF_SWAP_32BIT		               (2 << 16)
 #       define R600_RB_NO_UPDATE                               (1 << 27)
 #       define R600_RB_RPTR_WR_ENA                             (1 << 31)
 #define R600_CP_RB_RPTR_WR                                     0xc108
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
index d4a5422..b427488 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -910,7 +910,7 @@
 
 	args.v1.ucAction = action;
 	if (action == ATOM_TRANSMITTER_ACTION_INIT) {
-		args.v1.usInitInfo = connector_object_id;
+		args.v1.usInitInfo = cpu_to_le16(connector_object_id);
 	} else if (action == ATOM_TRANSMITTER_ACTION_SETUP_VSEMPH) {
 		args.v1.asMode.ucLaneSel = lane_num;
 		args.v1.asMode.ucLaneSet = lane_set;
@@ -1140,7 +1140,7 @@
 		case 3:
 			args.v3.sExtEncoder.ucAction = action;
 			if (action == EXTERNAL_ENCODER_ACTION_V3_ENCODER_INIT)
-				args.v3.sExtEncoder.usConnectorId = connector_object_id;
+				args.v3.sExtEncoder.usConnectorId = cpu_to_le16(connector_object_id);
 			else
 				args.v3.sExtEncoder.usPixelClock = cpu_to_le16(radeon_encoder->pixel_clock / 10);
 			args.v3.sExtEncoder.ucEncoderMode = atombios_get_encoder_mode(encoder);
@@ -1570,11 +1570,21 @@
 	}
 
 	/* set scaler clears this on some chips */
-	/* XXX check DCE4 */
-	if (!(radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT))) {
-		if (ASIC_IS_AVIVO(rdev) && (mode->flags & DRM_MODE_FLAG_INTERLACE))
-			WREG32(AVIVO_D1MODE_DATA_FORMAT + radeon_crtc->crtc_offset,
-			       AVIVO_D1MODE_INTERLEAVE_EN);
+	if (ASIC_IS_AVIVO(rdev) &&
+	    (!(radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT)))) {
+		if (ASIC_IS_DCE4(rdev)) {
+			if (mode->flags & DRM_MODE_FLAG_INTERLACE)
+				WREG32(EVERGREEN_DATA_FORMAT + radeon_crtc->crtc_offset,
+				       EVERGREEN_INTERLEAVE_EN);
+			else
+				WREG32(EVERGREEN_DATA_FORMAT + radeon_crtc->crtc_offset, 0);
+		} else {
+			if (mode->flags & DRM_MODE_FLAG_INTERLACE)
+				WREG32(AVIVO_D1MODE_DATA_FORMAT + radeon_crtc->crtc_offset,
+				       AVIVO_D1MODE_INTERLEAVE_EN);
+			else
+				WREG32(AVIVO_D1MODE_DATA_FORMAT + radeon_crtc->crtc_offset, 0);
+		}
 	}
 }
 
diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c
index 28431e7..0b7b486 100644
--- a/drivers/gpu/drm/radeon/radeon_fb.c
+++ b/drivers/gpu/drm/radeon/radeon_fb.c
@@ -113,11 +113,14 @@
 	u32 tiling_flags = 0;
 	int ret;
 	int aligned_size, size;
+	int height = mode_cmd->height;
 
 	/* need to align pitch with crtc limits */
 	mode_cmd->pitch = radeon_align_pitch(rdev, mode_cmd->width, mode_cmd->bpp, fb_tiled) * ((mode_cmd->bpp + 1) / 8);
 
-	size = mode_cmd->pitch * mode_cmd->height;
+	if (rdev->family >= CHIP_R600)
+		height = ALIGN(mode_cmd->height, 8);
+	size = mode_cmd->pitch * height;
 	aligned_size = ALIGN(size, PAGE_SIZE);
 	ret = radeon_gem_object_create(rdev, aligned_size, 0,
 				       RADEON_GEM_DOMAIN_VRAM,
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index c3f23f6..5067d18 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -209,6 +209,7 @@
 	CT_EMAC,
 	CT_RN50_POWER,
 	CT_MAC_X800,
+	CT_MAC_G5_9600,
 };
 
 enum radeon_dvo_chip {
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index df5734d..e446979 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -791,9 +791,9 @@
 		radeon_mem_types_list[i].show = &radeon_mm_dump_table;
 		radeon_mem_types_list[i].driver_features = 0;
 		if (i == 0)
-			radeon_mem_types_list[i].data = &rdev->mman.bdev.man[TTM_PL_VRAM].priv;
+			radeon_mem_types_list[i].data = rdev->mman.bdev.man[TTM_PL_VRAM].priv;
 		else
-			radeon_mem_types_list[i].data = &rdev->mman.bdev.man[TTM_PL_TT].priv;
+			radeon_mem_types_list[i].data = rdev->mman.bdev.man[TTM_PL_TT].priv;
 
 	}
 	/* Add ttm page pool to debugfs */
diff --git a/drivers/gpu/drm/radeon/reg_srcs/r300 b/drivers/gpu/drm/radeon/reg_srcs/r300
index b506ec1..e8a1786 100644
--- a/drivers/gpu/drm/radeon/reg_srcs/r300
+++ b/drivers/gpu/drm/radeon/reg_srcs/r300
@@ -683,9 +683,7 @@
 0x4DF4 US_ALU_CONST_G_31
 0x4DF8 US_ALU_CONST_B_31
 0x4DFC US_ALU_CONST_A_31
-0x4E04 RB3D_BLENDCNTL_R3
 0x4E08 RB3D_ABLENDCNTL_R3
-0x4E0C RB3D_COLOR_CHANNEL_MASK
 0x4E10 RB3D_CONSTANT_COLOR
 0x4E14 RB3D_COLOR_CLEAR_VALUE
 0x4E18 RB3D_ROPCNTL_R3
@@ -706,13 +704,11 @@
 0x4E74 RB3D_CMASK_WRINDEX
 0x4E78 RB3D_CMASK_DWORD
 0x4E7C RB3D_CMASK_RDINDEX
-0x4E80 RB3D_AARESOLVE_OFFSET
-0x4E84 RB3D_AARESOLVE_PITCH
-0x4E88 RB3D_AARESOLVE_CTL
 0x4EA0 RB3D_DISCARD_SRC_PIXEL_LTE_THRESHOLD
 0x4EA4 RB3D_DISCARD_SRC_PIXEL_GTE_THRESHOLD
 0x4F04 ZB_ZSTENCILCNTL
 0x4F08 ZB_STENCILREFMASK
 0x4F14 ZB_ZTOP
 0x4F18 ZB_ZCACHE_CTLSTAT
+0x4F28 ZB_DEPTHCLEARVALUE
 0x4F58 ZB_ZPASS_DATA
diff --git a/drivers/gpu/drm/radeon/reg_srcs/r420 b/drivers/gpu/drm/radeon/reg_srcs/r420
index 8c1214c..722074e 100644
--- a/drivers/gpu/drm/radeon/reg_srcs/r420
+++ b/drivers/gpu/drm/radeon/reg_srcs/r420
@@ -130,7 +130,6 @@
 0x401C GB_SELECT
 0x4020 GB_AA_CONFIG
 0x4024 GB_FIFO_SIZE
-0x4028 GB_Z_PEQ_CONFIG
 0x4100 TX_INVALTAGS
 0x4200 GA_POINT_S0
 0x4204 GA_POINT_T0
@@ -750,9 +749,7 @@
 0x4DF4 US_ALU_CONST_G_31
 0x4DF8 US_ALU_CONST_B_31
 0x4DFC US_ALU_CONST_A_31
-0x4E04 RB3D_BLENDCNTL_R3
 0x4E08 RB3D_ABLENDCNTL_R3
-0x4E0C RB3D_COLOR_CHANNEL_MASK
 0x4E10 RB3D_CONSTANT_COLOR
 0x4E14 RB3D_COLOR_CLEAR_VALUE
 0x4E18 RB3D_ROPCNTL_R3
@@ -773,13 +770,11 @@
 0x4E74 RB3D_CMASK_WRINDEX
 0x4E78 RB3D_CMASK_DWORD
 0x4E7C RB3D_CMASK_RDINDEX
-0x4E80 RB3D_AARESOLVE_OFFSET
-0x4E84 RB3D_AARESOLVE_PITCH
-0x4E88 RB3D_AARESOLVE_CTL
 0x4EA0 RB3D_DISCARD_SRC_PIXEL_LTE_THRESHOLD
 0x4EA4 RB3D_DISCARD_SRC_PIXEL_GTE_THRESHOLD
 0x4F04 ZB_ZSTENCILCNTL
 0x4F08 ZB_STENCILREFMASK
 0x4F14 ZB_ZTOP
 0x4F18 ZB_ZCACHE_CTLSTAT
+0x4F28 ZB_DEPTHCLEARVALUE
 0x4F58 ZB_ZPASS_DATA
diff --git a/drivers/gpu/drm/radeon/reg_srcs/rs600 b/drivers/gpu/drm/radeon/reg_srcs/rs600
index 0828d80..d9f6286 100644
--- a/drivers/gpu/drm/radeon/reg_srcs/rs600
+++ b/drivers/gpu/drm/radeon/reg_srcs/rs600
@@ -749,9 +749,7 @@
 0x4DF4 US_ALU_CONST_G_31
 0x4DF8 US_ALU_CONST_B_31
 0x4DFC US_ALU_CONST_A_31
-0x4E04 RB3D_BLENDCNTL_R3
 0x4E08 RB3D_ABLENDCNTL_R3
-0x4E0C RB3D_COLOR_CHANNEL_MASK
 0x4E10 RB3D_CONSTANT_COLOR
 0x4E14 RB3D_COLOR_CLEAR_VALUE
 0x4E18 RB3D_ROPCNTL_R3
@@ -772,13 +770,11 @@
 0x4E74 RB3D_CMASK_WRINDEX
 0x4E78 RB3D_CMASK_DWORD
 0x4E7C RB3D_CMASK_RDINDEX
-0x4E80 RB3D_AARESOLVE_OFFSET
-0x4E84 RB3D_AARESOLVE_PITCH
-0x4E88 RB3D_AARESOLVE_CTL
 0x4EA0 RB3D_DISCARD_SRC_PIXEL_LTE_THRESHOLD
 0x4EA4 RB3D_DISCARD_SRC_PIXEL_GTE_THRESHOLD
 0x4F04 ZB_ZSTENCILCNTL
 0x4F08 ZB_STENCILREFMASK
 0x4F14 ZB_ZTOP
 0x4F18 ZB_ZCACHE_CTLSTAT
+0x4F28 ZB_DEPTHCLEARVALUE
 0x4F58 ZB_ZPASS_DATA
diff --git a/drivers/gpu/drm/radeon/reg_srcs/rv515 b/drivers/gpu/drm/radeon/reg_srcs/rv515
index ef422bb..911a8fb 100644
--- a/drivers/gpu/drm/radeon/reg_srcs/rv515
+++ b/drivers/gpu/drm/radeon/reg_srcs/rv515
@@ -164,7 +164,6 @@
 0x401C GB_SELECT
 0x4020 GB_AA_CONFIG
 0x4024 GB_FIFO_SIZE
-0x4028 GB_Z_PEQ_CONFIG
 0x4100 TX_INVALTAGS
 0x4114 SU_TEX_WRAP_PS3
 0x4118 PS3_ENABLE
@@ -461,9 +460,7 @@
 0x4DF4 US_ALU_CONST_G_31
 0x4DF8 US_ALU_CONST_B_31
 0x4DFC US_ALU_CONST_A_31
-0x4E04 RB3D_BLENDCNTL_R3
 0x4E08 RB3D_ABLENDCNTL_R3
-0x4E0C RB3D_COLOR_CHANNEL_MASK
 0x4E10 RB3D_CONSTANT_COLOR
 0x4E14 RB3D_COLOR_CLEAR_VALUE
 0x4E18 RB3D_ROPCNTL_R3
@@ -484,9 +481,6 @@
 0x4E74 RB3D_CMASK_WRINDEX
 0x4E78 RB3D_CMASK_DWORD
 0x4E7C RB3D_CMASK_RDINDEX
-0x4E80 RB3D_AARESOLVE_OFFSET
-0x4E84 RB3D_AARESOLVE_PITCH
-0x4E88 RB3D_AARESOLVE_CTL
 0x4EA0 RB3D_DISCARD_SRC_PIXEL_LTE_THRESHOLD
 0x4EA4 RB3D_DISCARD_SRC_PIXEL_GTE_THRESHOLD
 0x4EF8 RB3D_CONSTANT_COLOR_AR
@@ -496,4 +490,5 @@
 0x4F14 ZB_ZTOP
 0x4F18 ZB_ZCACHE_CTLSTAT
 0x4F58 ZB_ZPASS_DATA
+0x4F28 ZB_DEPTHCLEARVALUE
 0x4FD4 ZB_STENCILREFMASK_BF
diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c
index 0137d3e..6638c8e 100644
--- a/drivers/gpu/drm/radeon/rs690.c
+++ b/drivers/gpu/drm/radeon/rs690.c
@@ -77,9 +77,9 @@
 		switch (crev) {
 		case 1:
 			tmp.full = dfixed_const(100);
-			rdev->pm.igp_sideport_mclk.full = dfixed_const(info->info.ulBootUpMemoryClock);
+			rdev->pm.igp_sideport_mclk.full = dfixed_const(le32_to_cpu(info->info.ulBootUpMemoryClock));
 			rdev->pm.igp_sideport_mclk.full = dfixed_div(rdev->pm.igp_sideport_mclk, tmp);
-			if (info->info.usK8MemoryClock)
+			if (le16_to_cpu(info->info.usK8MemoryClock))
 				rdev->pm.igp_system_mclk.full = dfixed_const(le16_to_cpu(info->info.usK8MemoryClock));
 			else if (rdev->clock.default_mclk) {
 				rdev->pm.igp_system_mclk.full = dfixed_const(rdev->clock.default_mclk);
@@ -91,16 +91,16 @@
 			break;
 		case 2:
 			tmp.full = dfixed_const(100);
-			rdev->pm.igp_sideport_mclk.full = dfixed_const(info->info_v2.ulBootUpSidePortClock);
+			rdev->pm.igp_sideport_mclk.full = dfixed_const(le32_to_cpu(info->info_v2.ulBootUpSidePortClock));
 			rdev->pm.igp_sideport_mclk.full = dfixed_div(rdev->pm.igp_sideport_mclk, tmp);
-			if (info->info_v2.ulBootUpUMAClock)
-				rdev->pm.igp_system_mclk.full = dfixed_const(info->info_v2.ulBootUpUMAClock);
+			if (le32_to_cpu(info->info_v2.ulBootUpUMAClock))
+				rdev->pm.igp_system_mclk.full = dfixed_const(le32_to_cpu(info->info_v2.ulBootUpUMAClock));
 			else if (rdev->clock.default_mclk)
 				rdev->pm.igp_system_mclk.full = dfixed_const(rdev->clock.default_mclk);
 			else
 				rdev->pm.igp_system_mclk.full = dfixed_const(66700);
 			rdev->pm.igp_system_mclk.full = dfixed_div(rdev->pm.igp_system_mclk, tmp);
-			rdev->pm.igp_ht_link_clk.full = dfixed_const(info->info_v2.ulHTLinkFreq);
+			rdev->pm.igp_ht_link_clk.full = dfixed_const(le32_to_cpu(info->info_v2.ulHTLinkFreq));
 			rdev->pm.igp_ht_link_clk.full = dfixed_div(rdev->pm.igp_ht_link_clk, tmp);
 			rdev->pm.igp_ht_link_width.full = dfixed_const(le16_to_cpu(info->info_v2.usMinHTLinkWidth));
 			break;
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index 3a95999..ee5541c 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -321,7 +321,11 @@
 		return -EINVAL;
 
 	r700_cp_stop(rdev);
-	WREG32(CP_RB_CNTL, RB_NO_UPDATE | (15 << 8) | (3 << 0));
+	WREG32(CP_RB_CNTL,
+#ifdef __BIG_ENDIAN
+	       BUF_SWAP_32BIT |
+#endif
+	       RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
 
 	/* Reset cp */
 	WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
diff --git a/drivers/gpu/drm/radeon/rv770d.h b/drivers/gpu/drm/radeon/rv770d.h
index abc8cf5..79fa588 100644
--- a/drivers/gpu/drm/radeon/rv770d.h
+++ b/drivers/gpu/drm/radeon/rv770d.h
@@ -76,10 +76,10 @@
 #define		ROQ_IB1_START(x)				((x) << 0)
 #define		ROQ_IB2_START(x)				((x) << 8)
 #define	CP_RB_CNTL					0xC104
-#define		RB_BUFSZ(x)					((x)<<0)
-#define		RB_BLKSZ(x)					((x)<<8)
-#define		RB_NO_UPDATE					(1<<27)
-#define		RB_RPTR_WR_ENA					(1<<31)
+#define		RB_BUFSZ(x)					((x) << 0)
+#define		RB_BLKSZ(x)					((x) << 8)
+#define		RB_NO_UPDATE					(1 << 27)
+#define		RB_RPTR_WR_ENA					(1 << 31)
 #define		BUF_SWAP_32BIT					(2 << 16)
 #define	CP_RB_RPTR					0x8700
 #define	CP_RB_RPTR_ADDR					0xC10C
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 773e484..297bc9a 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -238,13 +238,13 @@
 	  will be called k8temp.
 
 config SENSORS_K10TEMP
-	tristate "AMD Phenom/Sempron/Turion/Opteron temperature sensor"
+	tristate "AMD Family 10h/11h/12h/14h temperature sensor"
 	depends on X86 && PCI
 	help
 	  If you say yes here you get support for the temperature
 	  sensor(s) inside your CPU. Supported are later revisions of
-	  the AMD Family 10h and all revisions of the AMD Family 11h
-	  microarchitectures.
+	  the AMD Family 10h and all revisions of the AMD Family 11h,
+	  12h (Llano), and 14h (Brazos) microarchitectures.
 
 	  This driver can also be built as a module.  If so, the module
 	  will be called k10temp.
@@ -455,13 +455,14 @@
 	  called jz4740-hwmon.
 
 config SENSORS_JC42
-	tristate "JEDEC JC42.4 compliant temperature sensors"
+	tristate "JEDEC JC42.4 compliant memory module temperature sensors"
 	depends on I2C
 	help
-	  If you say yes here you get support for Jedec JC42.4 compliant
-	  temperature sensors. Support will include, but not be limited to,
-	  ADT7408, CAT34TS02,, CAT6095, MAX6604, MCP9805, MCP98242, MCP98243,
-	  MCP9843, SE97, SE98, STTS424, TSE2002B3, and TS3000B3.
+	  If you say yes here, you get support for JEDEC JC42.4 compliant
+	  temperature sensors, which are used on many DDR3 memory modules for
+	  mobile devices and servers.  Support will include, but not be limited
+	  to, ADT7408, CAT34TS02, CAT6095, MAX6604, MCP9805, MCP98242, MCP98243,
+	  MCP9843, SE97, SE98, STTS424(E), TSE2002B3, and TS3000B3.
 
 	  This driver can also be built as a module.  If so, the module
 	  will be called jc42.
@@ -574,7 +575,7 @@
 	help
 	  If you say yes here you get support for National Semiconductor LM85
 	  sensor chips and clones: ADM1027, ADT7463, ADT7468, EMC6D100,
-	  EMC6D101 and EMC6D102.
+	  EMC6D101, EMC6D102, and EMC6D103.
 
 	  This driver can also be built as a module.  If so, the module
 	  will be called lm85.
diff --git a/drivers/hwmon/ad7414.c b/drivers/hwmon/ad7414.c
index 86d822a..d46c0c7 100644
--- a/drivers/hwmon/ad7414.c
+++ b/drivers/hwmon/ad7414.c
@@ -242,6 +242,7 @@
 	{ "ad7414", 0 },
 	{}
 };
+MODULE_DEVICE_TABLE(i2c, ad7414_id);
 
 static struct i2c_driver ad7414_driver = {
 	.driver = {
diff --git a/drivers/hwmon/adt7411.c b/drivers/hwmon/adt7411.c
index f13c843..5cc3e37 100644
--- a/drivers/hwmon/adt7411.c
+++ b/drivers/hwmon/adt7411.c
@@ -334,6 +334,7 @@
 	{ "adt7411", 0 },
 	{ }
 };
+MODULE_DEVICE_TABLE(i2c, adt7411_id);
 
 static struct i2c_driver adt7411_driver = {
 	.driver		= {
diff --git a/drivers/hwmon/emc1403.c b/drivers/hwmon/emc1403.c
index 5dea9fa..cd2a6e4 100644
--- a/drivers/hwmon/emc1403.c
+++ b/drivers/hwmon/emc1403.c
@@ -344,7 +344,7 @@
 }
 
 static const unsigned short emc1403_address_list[] = {
-	0x18, 0x2a, 0x4c, 0x4d, I2C_CLIENT_END
+	0x18, 0x29, 0x4c, 0x4d, I2C_CLIENT_END
 };
 
 static const struct i2c_device_id emc1403_idtable[] = {
diff --git a/drivers/hwmon/jc42.c b/drivers/hwmon/jc42.c
index 340fc78..9349912 100644
--- a/drivers/hwmon/jc42.c
+++ b/drivers/hwmon/jc42.c
@@ -53,6 +53,8 @@
 
 /* Configuration register defines */
 #define JC42_CFG_CRIT_ONLY	(1 << 2)
+#define JC42_CFG_TCRIT_LOCK	(1 << 6)
+#define JC42_CFG_EVENT_LOCK	(1 << 7)
 #define JC42_CFG_SHUTDOWN	(1 << 8)
 #define JC42_CFG_HYST_SHIFT	9
 #define JC42_CFG_HYST_MASK	0x03
@@ -332,7 +334,7 @@
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct jc42_data *data = i2c_get_clientdata(client);
-	long val;
+	unsigned long val;
 	int diff, hyst;
 	int err;
 	int ret = count;
@@ -380,14 +382,14 @@
 
 static DEVICE_ATTR(temp1_input, S_IRUGO,
 		   show_temp_input, NULL);
-static DEVICE_ATTR(temp1_crit, S_IWUSR | S_IRUGO,
+static DEVICE_ATTR(temp1_crit, S_IRUGO,
 		   show_temp_crit, set_temp_crit);
-static DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO,
+static DEVICE_ATTR(temp1_min, S_IRUGO,
 		   show_temp_min, set_temp_min);
-static DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO,
+static DEVICE_ATTR(temp1_max, S_IRUGO,
 		   show_temp_max, set_temp_max);
 
-static DEVICE_ATTR(temp1_crit_hyst, S_IWUSR | S_IRUGO,
+static DEVICE_ATTR(temp1_crit_hyst, S_IRUGO,
 		   show_temp_crit_hyst, set_temp_crit_hyst);
 static DEVICE_ATTR(temp1_max_hyst, S_IRUGO,
 		   show_temp_max_hyst, NULL);
@@ -412,8 +414,31 @@
 	NULL
 };
 
+static mode_t jc42_attribute_mode(struct kobject *kobj,
+				  struct attribute *attr, int index)
+{
+	struct device *dev = container_of(kobj, struct device, kobj);
+	struct i2c_client *client = to_i2c_client(dev);
+	struct jc42_data *data = i2c_get_clientdata(client);
+	unsigned int config = data->config;
+	bool readonly;
+
+	if (attr == &dev_attr_temp1_crit.attr)
+		readonly = config & JC42_CFG_TCRIT_LOCK;
+	else if (attr == &dev_attr_temp1_min.attr ||
+		 attr == &dev_attr_temp1_max.attr)
+		readonly = config & JC42_CFG_EVENT_LOCK;
+	else if (attr == &dev_attr_temp1_crit_hyst.attr)
+		readonly = config & (JC42_CFG_EVENT_LOCK | JC42_CFG_TCRIT_LOCK);
+	else
+		readonly = true;
+
+	return S_IRUGO | (readonly ? 0 : S_IWUSR);
+}
+
 static const struct attribute_group jc42_group = {
 	.attrs = jc42_attributes,
+	.is_visible = jc42_attribute_mode,
 };
 
 /* Return 0 if detection is successful, -ENODEV otherwise */
diff --git a/drivers/hwmon/k10temp.c b/drivers/hwmon/k10temp.c
index da5a240..82bf65a 100644
--- a/drivers/hwmon/k10temp.c
+++ b/drivers/hwmon/k10temp.c
@@ -1,5 +1,5 @@
 /*
- * k10temp.c - AMD Family 10h/11h processor hardware monitoring
+ * k10temp.c - AMD Family 10h/11h/12h/14h processor hardware monitoring
  *
  * Copyright (c) 2009 Clemens Ladisch <clemens@ladisch.de>
  *
@@ -25,7 +25,7 @@
 #include <linux/pci.h>
 #include <asm/processor.h>
 
-MODULE_DESCRIPTION("AMD Family 10h/11h CPU core temperature monitor");
+MODULE_DESCRIPTION("AMD Family 10h/11h/12h/14h CPU core temperature monitor");
 MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
 MODULE_LICENSE("GPL");
 
@@ -208,6 +208,7 @@
 static const struct pci_device_id k10temp_id_table[] = {
 	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_10H_NB_MISC) },
 	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_11H_NB_MISC) },
+	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_CNB17H_F3) },
 	{}
 };
 MODULE_DEVICE_TABLE(pci, k10temp_id_table);
diff --git a/drivers/hwmon/lm63.c b/drivers/hwmon/lm63.c
index 776aeb3..508cb29 100644
--- a/drivers/hwmon/lm63.c
+++ b/drivers/hwmon/lm63.c
@@ -98,6 +98,9 @@
  * value, it uses signed 8-bit values with LSB = 1 degree Celsius.
  * For remote temperature, low and high limits, it uses signed 11-bit values
  * with LSB = 0.125 degree Celsius, left-justified in 16-bit registers.
+ * For LM64 the actual remote diode temperature is 16 degree Celsius higher
+ * than the register reading. Remote temperature setpoints have to be
+ * adapted accordingly.
  */
 
 #define FAN_FROM_REG(reg)	((reg) == 0xFFFC || (reg) == 0 ? 0 : \
@@ -165,6 +168,8 @@
 	struct mutex update_lock;
 	char valid; /* zero until following fields are valid */
 	unsigned long last_updated; /* in jiffies */
+	int kind;
+	int temp2_offset;
 
 	/* registers values */
 	u8 config, config_fan;
@@ -247,16 +252,34 @@
 	return sprintf(buf, "%d\n", data->config_fan & 0x20 ? 1 : 2);
 }
 
-static ssize_t show_temp8(struct device *dev, struct device_attribute *devattr,
-			  char *buf)
+/*
+ * There are 8bit registers for both local(temp1) and remote(temp2) sensor.
+ * For remote sensor registers temp2_offset has to be considered,
+ * for local sensor it must not.
+ * So we need separate 8bit accessors for local and remote sensor.
+ */
+static ssize_t show_local_temp8(struct device *dev,
+				struct device_attribute *devattr,
+				char *buf)
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct lm63_data *data = lm63_update_device(dev);
 	return sprintf(buf, "%d\n", TEMP8_FROM_REG(data->temp8[attr->index]));
 }
 
-static ssize_t set_temp8(struct device *dev, struct device_attribute *dummy,
-			 const char *buf, size_t count)
+static ssize_t show_remote_temp8(struct device *dev,
+				 struct device_attribute *devattr,
+				 char *buf)
+{
+	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+	struct lm63_data *data = lm63_update_device(dev);
+	return sprintf(buf, "%d\n", TEMP8_FROM_REG(data->temp8[attr->index])
+		       + data->temp2_offset);
+}
+
+static ssize_t set_local_temp8(struct device *dev,
+			       struct device_attribute *dummy,
+			       const char *buf, size_t count)
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm63_data *data = i2c_get_clientdata(client);
@@ -274,7 +297,8 @@
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct lm63_data *data = lm63_update_device(dev);
-	return sprintf(buf, "%d\n", TEMP11_FROM_REG(data->temp11[attr->index]));
+	return sprintf(buf, "%d\n", TEMP11_FROM_REG(data->temp11[attr->index])
+		       + data->temp2_offset);
 }
 
 static ssize_t set_temp11(struct device *dev, struct device_attribute *devattr,
@@ -294,7 +318,7 @@
 	int nr = attr->index;
 
 	mutex_lock(&data->update_lock);
-	data->temp11[nr] = TEMP11_TO_REG(val);
+	data->temp11[nr] = TEMP11_TO_REG(val - data->temp2_offset);
 	i2c_smbus_write_byte_data(client, reg[(nr - 1) * 2],
 				  data->temp11[nr] >> 8);
 	i2c_smbus_write_byte_data(client, reg[(nr - 1) * 2 + 1],
@@ -310,6 +334,7 @@
 {
 	struct lm63_data *data = lm63_update_device(dev);
 	return sprintf(buf, "%d\n", TEMP8_FROM_REG(data->temp8[2])
+		       + data->temp2_offset
 		       - TEMP8_FROM_REG(data->temp2_crit_hyst));
 }
 
@@ -324,7 +349,7 @@
 	long hyst;
 
 	mutex_lock(&data->update_lock);
-	hyst = TEMP8_FROM_REG(data->temp8[2]) - val;
+	hyst = TEMP8_FROM_REG(data->temp8[2]) + data->temp2_offset - val;
 	i2c_smbus_write_byte_data(client, LM63_REG_REMOTE_TCRIT_HYST,
 				  HYST_TO_REG(hyst));
 	mutex_unlock(&data->update_lock);
@@ -355,16 +380,21 @@
 static DEVICE_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm1, set_pwm1);
 static DEVICE_ATTR(pwm1_enable, S_IRUGO, show_pwm1_enable, NULL);
 
-static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp8, NULL, 0);
-static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp8,
-	set_temp8, 1);
+static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_local_temp8, NULL, 0);
+static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_local_temp8,
+	set_local_temp8, 1);
 
 static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp11, NULL, 0);
 static SENSOR_DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO, show_temp11,
 	set_temp11, 1);
 static SENSOR_DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_temp11,
 	set_temp11, 2);
-static SENSOR_DEVICE_ATTR(temp2_crit, S_IRUGO, show_temp8, NULL, 2);
+/*
+ * On LM63, temp2_crit can be set only once, which should be job
+ * of the bootloader.
+ */
+static SENSOR_DEVICE_ATTR(temp2_crit, S_IRUGO, show_remote_temp8,
+	NULL, 2);
 static DEVICE_ATTR(temp2_crit_hyst, S_IWUSR | S_IRUGO, show_temp2_crit_hyst,
 	set_temp2_crit_hyst);
 
@@ -479,7 +509,12 @@
 	data->valid = 0;
 	mutex_init(&data->update_lock);
 
-	/* Initialize the LM63 chip */
+	/* Set the device type */
+	data->kind = id->driver_data;
+	if (data->kind == lm64)
+		data->temp2_offset = 16000;
+
+	/* Initialize chip */
 	lm63_init_client(new_client);
 
 	/* Register sysfs hooks */
diff --git a/drivers/hwmon/lm85.c b/drivers/hwmon/lm85.c
index 1e22984..d2cc286 100644
--- a/drivers/hwmon/lm85.c
+++ b/drivers/hwmon/lm85.c
@@ -41,7 +41,7 @@
 enum chips {
 	any_chip, lm85b, lm85c,
 	adm1027, adt7463, adt7468,
-	emc6d100, emc6d102
+	emc6d100, emc6d102, emc6d103
 };
 
 /* The LM85 registers */
@@ -90,6 +90,9 @@
 #define	LM85_VERSTEP_EMC6D100_A0        0x60
 #define	LM85_VERSTEP_EMC6D100_A1        0x61
 #define	LM85_VERSTEP_EMC6D102		0x65
+#define	LM85_VERSTEP_EMC6D103_A0	0x68
+#define	LM85_VERSTEP_EMC6D103_A1	0x69
+#define	LM85_VERSTEP_EMC6D103S		0x6A	/* Also known as EMC6D103:A2 */
 
 #define	LM85_REG_CONFIG			0x40
 
@@ -348,6 +351,7 @@
 	{ "emc6d100", emc6d100 },
 	{ "emc6d101", emc6d100 },
 	{ "emc6d102", emc6d102 },
+	{ "emc6d103", emc6d103 },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, lm85_id);
@@ -1250,6 +1254,20 @@
 		case LM85_VERSTEP_EMC6D102:
 			type_name = "emc6d102";
 			break;
+		case LM85_VERSTEP_EMC6D103_A0:
+		case LM85_VERSTEP_EMC6D103_A1:
+			type_name = "emc6d103";
+			break;
+		/*
+		 * Registers apparently missing in EMC6D103S/EMC6D103:A2
+		 * compared to EMC6D103:A0, EMC6D103:A1, and EMC6D102
+		 * (according to the data sheets), but used unconditionally
+		 * in the driver: 62[5:7], 6D[0:7], and 6E[0:7].
+		 * So skip EMC6D103S for now.
+		case LM85_VERSTEP_EMC6D103S:
+			type_name = "emc6d103s";
+			break;
+		 */
 		}
 	} else {
 		dev_dbg(&adapter->dev,
@@ -1283,6 +1301,7 @@
 	case adt7468:
 	case emc6d100:
 	case emc6d102:
+	case emc6d103:
 		data->freq_map = adm1027_freq_map;
 		break;
 	default:
@@ -1468,7 +1487,7 @@
 			/* More alarm bits */
 			data->alarms |= lm85_read_value(client,
 						EMC6D100_REG_ALARM3) << 16;
-		} else if (data->type == emc6d102) {
+		} else if (data->type == emc6d102 || data->type == emc6d103) {
 			/* Have to read LSB bits after the MSB ones because
 			   the reading of the MSB bits has frozen the
 			   LSBs (backward from the ADM1027).
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index b605ff3..829a2a1 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -847,11 +847,15 @@
 			dev_err(dev->dev, "Arbitration lost\n");
 			err |= OMAP_I2C_STAT_AL;
 		}
+		/*
+		 * ProDB0017052: Clear ARDY bit twice
+		 */
 		if (stat & (OMAP_I2C_STAT_ARDY | OMAP_I2C_STAT_NACK |
 					OMAP_I2C_STAT_AL)) {
 			omap_i2c_ack_stat(dev, stat &
 				(OMAP_I2C_STAT_RRDY | OMAP_I2C_STAT_RDR |
-				OMAP_I2C_STAT_XRDY | OMAP_I2C_STAT_XDR));
+				OMAP_I2C_STAT_XRDY | OMAP_I2C_STAT_XDR |
+				OMAP_I2C_STAT_ARDY));
 			omap_i2c_complete_cmd(dev, err);
 			return IRQ_HANDLED;
 		}
@@ -1137,12 +1141,41 @@
 	return 0;
 }
 
+#ifdef CONFIG_SUSPEND
+static int omap_i2c_suspend(struct device *dev)
+{
+	if (!pm_runtime_suspended(dev))
+		if (dev->bus && dev->bus->pm && dev->bus->pm->runtime_suspend)
+			dev->bus->pm->runtime_suspend(dev);
+
+	return 0;
+}
+
+static int omap_i2c_resume(struct device *dev)
+{
+	if (!pm_runtime_suspended(dev))
+		if (dev->bus && dev->bus->pm && dev->bus->pm->runtime_resume)
+			dev->bus->pm->runtime_resume(dev);
+
+	return 0;
+}
+
+static struct dev_pm_ops omap_i2c_pm_ops = {
+	.suspend = omap_i2c_suspend,
+	.resume = omap_i2c_resume,
+};
+#define OMAP_I2C_PM_OPS (&omap_i2c_pm_ops)
+#else
+#define OMAP_I2C_PM_OPS NULL
+#endif
+
 static struct platform_driver omap_i2c_driver = {
 	.probe		= omap_i2c_probe,
 	.remove		= omap_i2c_remove,
 	.driver		= {
 		.name	= "omap_i2c",
 		.owner	= THIS_MODULE,
+		.pm	= OMAP_I2C_PM_OPS,
 	},
 };
 
diff --git a/drivers/i2c/busses/i2c-stu300.c b/drivers/i2c/busses/i2c-stu300.c
index 495be45..266135d 100644
--- a/drivers/i2c/busses/i2c-stu300.c
+++ b/drivers/i2c/busses/i2c-stu300.c
@@ -942,7 +942,7 @@
 	adap->owner = THIS_MODULE;
 	/* DDC class but actually often used for more generic I2C */
 	adap->class = I2C_CLASS_DDC;
-	strncpy(adap->name, "ST Microelectronics DDC I2C adapter",
+	strlcpy(adap->name, "ST Microelectronics DDC I2C adapter",
 		sizeof(adap->name));
 	adap->nr = bus_nr;
 	adap->algo = &stu300_algo;
diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c
index 8b606fd..08c1948 100644
--- a/drivers/infiniband/hw/nes/nes_hw.c
+++ b/drivers/infiniband/hw/nes/nes_hw.c
@@ -2610,9 +2610,11 @@
 					netif_carrier_on(nesvnic->netdev);
 
 					spin_lock(&nesvnic->port_ibevent_lock);
-					if (nesdev->iw_status == 0) {
-						nesdev->iw_status = 1;
-						nes_port_ibevent(nesvnic);
+					if (nesvnic->of_device_registered) {
+						if (nesdev->iw_status == 0) {
+							nesdev->iw_status = 1;
+							nes_port_ibevent(nesvnic);
+						}
 					}
 					spin_unlock(&nesvnic->port_ibevent_lock);
 				}
@@ -2642,9 +2644,11 @@
 					netif_carrier_off(nesvnic->netdev);
 
 					spin_lock(&nesvnic->port_ibevent_lock);
-					if (nesdev->iw_status == 1) {
-						nesdev->iw_status = 0;
-						nes_port_ibevent(nesvnic);
+					if (nesvnic->of_device_registered) {
+						if (nesdev->iw_status == 1) {
+							nesdev->iw_status = 0;
+							nes_port_ibevent(nesvnic);
+						}
 					}
 					spin_unlock(&nesvnic->port_ibevent_lock);
 				}
@@ -2703,9 +2707,11 @@
 				netif_carrier_on(nesvnic->netdev);
 
 				spin_lock(&nesvnic->port_ibevent_lock);
-				if (nesdev->iw_status == 0) {
-					nesdev->iw_status = 1;
-					nes_port_ibevent(nesvnic);
+				if (nesvnic->of_device_registered) {
+					if (nesdev->iw_status == 0) {
+						nesdev->iw_status = 1;
+						nes_port_ibevent(nesvnic);
+					}
 				}
 				spin_unlock(&nesvnic->port_ibevent_lock);
 			}
@@ -2723,9 +2729,11 @@
 				netif_carrier_off(nesvnic->netdev);
 
 				spin_lock(&nesvnic->port_ibevent_lock);
-				if (nesdev->iw_status == 1) {
-					nesdev->iw_status = 0;
-					nes_port_ibevent(nesvnic);
+				if (nesvnic->of_device_registered) {
+					if (nesdev->iw_status == 1) {
+						nesdev->iw_status = 0;
+						nes_port_ibevent(nesvnic);
+					}
 				}
 				spin_unlock(&nesvnic->port_ibevent_lock);
 			}
diff --git a/drivers/infiniband/hw/qib/qib_rc.c b/drivers/infiniband/hw/qib/qib_rc.c
index 8245237..eca0c41 100644
--- a/drivers/infiniband/hw/qib/qib_rc.c
+++ b/drivers/infiniband/hw/qib/qib_rc.c
@@ -1005,7 +1005,8 @@
 	 * there are still requests that haven't been acked.
 	 */
 	if ((psn & IB_BTH_REQ_ACK) && qp->s_acked != qp->s_tail &&
-	    !(qp->s_flags & (QIB_S_TIMER | QIB_S_WAIT_RNR | QIB_S_WAIT_PSN)))
+	    !(qp->s_flags & (QIB_S_TIMER | QIB_S_WAIT_RNR | QIB_S_WAIT_PSN)) &&
+	    (ib_qib_state_ops[qp->state] & QIB_PROCESS_RECV_OK))
 		start_timer(qp);
 
 	while (qp->s_last != qp->s_acked) {
@@ -1439,6 +1440,8 @@
 	}
 
 	spin_lock_irqsave(&qp->s_lock, flags);
+	if (!(ib_qib_state_ops[qp->state] & QIB_PROCESS_RECV_OK))
+		goto ack_done;
 
 	/* Ignore invalid responses. */
 	if (qib_cmp24(psn, qp->s_next_psn) >= 0)
diff --git a/drivers/input/gameport/gameport.c b/drivers/input/gameport/gameport.c
index 23cf8fc..5b8f59d 100644
--- a/drivers/input/gameport/gameport.c
+++ b/drivers/input/gameport/gameport.c
@@ -360,7 +360,7 @@
 	event->owner = owner;
 
 	list_add_tail(&event->node, &gameport_event_list);
-	schedule_work(&gameport_event_work);
+	queue_work(system_long_wq, &gameport_event_work);
 
 out:
 	spin_unlock_irqrestore(&gameport_event_lock, flags);
diff --git a/drivers/input/input.c b/drivers/input/input.c
index 7985114..11905b6 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -75,7 +75,6 @@
  * dev->event_lock held and interrupts disabled.
  */
 static void input_pass_event(struct input_dev *dev,
-			     struct input_handler *src_handler,
 			     unsigned int type, unsigned int code, int value)
 {
 	struct input_handler *handler;
@@ -94,15 +93,6 @@
 				continue;
 
 			handler = handle->handler;
-
-			/*
-			 * If this is the handler that injected this
-			 * particular event we want to skip it to avoid
-			 * filters firing again and again.
-			 */
-			if (handler == src_handler)
-				continue;
-
 			if (!handler->filter) {
 				if (filtered)
 					break;
@@ -132,7 +122,7 @@
 	if (test_bit(dev->repeat_key, dev->key) &&
 	    is_event_supported(dev->repeat_key, dev->keybit, KEY_MAX)) {
 
-		input_pass_event(dev, NULL, EV_KEY, dev->repeat_key, 2);
+		input_pass_event(dev, EV_KEY, dev->repeat_key, 2);
 
 		if (dev->sync) {
 			/*
@@ -141,7 +131,7 @@
 			 * Otherwise assume that the driver will send
 			 * SYN_REPORT once it's done.
 			 */
-			input_pass_event(dev, NULL, EV_SYN, SYN_REPORT, 1);
+			input_pass_event(dev, EV_SYN, SYN_REPORT, 1);
 		}
 
 		if (dev->rep[REP_PERIOD])
@@ -174,7 +164,6 @@
 #define INPUT_PASS_TO_ALL	(INPUT_PASS_TO_HANDLERS | INPUT_PASS_TO_DEVICE)
 
 static int input_handle_abs_event(struct input_dev *dev,
-				  struct input_handler *src_handler,
 				  unsigned int code, int *pval)
 {
 	bool is_mt_event;
@@ -218,15 +207,13 @@
 	/* Flush pending "slot" event */
 	if (is_mt_event && dev->slot != input_abs_get_val(dev, ABS_MT_SLOT)) {
 		input_abs_set_val(dev, ABS_MT_SLOT, dev->slot);
-		input_pass_event(dev, src_handler,
-				 EV_ABS, ABS_MT_SLOT, dev->slot);
+		input_pass_event(dev, EV_ABS, ABS_MT_SLOT, dev->slot);
 	}
 
 	return INPUT_PASS_TO_HANDLERS;
 }
 
 static void input_handle_event(struct input_dev *dev,
-			       struct input_handler *src_handler,
 			       unsigned int type, unsigned int code, int value)
 {
 	int disposition = INPUT_IGNORE_EVENT;
@@ -279,8 +266,7 @@
 
 	case EV_ABS:
 		if (is_event_supported(code, dev->absbit, ABS_MAX))
-			disposition = input_handle_abs_event(dev, src_handler,
-							     code, &value);
+			disposition = input_handle_abs_event(dev, code, &value);
 
 		break;
 
@@ -338,7 +324,7 @@
 		dev->event(dev, type, code, value);
 
 	if (disposition & INPUT_PASS_TO_HANDLERS)
-		input_pass_event(dev, src_handler, type, code, value);
+		input_pass_event(dev, type, code, value);
 }
 
 /**
@@ -367,7 +353,7 @@
 
 		spin_lock_irqsave(&dev->event_lock, flags);
 		add_input_randomness(type, code, value);
-		input_handle_event(dev, NULL, type, code, value);
+		input_handle_event(dev, type, code, value);
 		spin_unlock_irqrestore(&dev->event_lock, flags);
 	}
 }
@@ -397,8 +383,7 @@
 		rcu_read_lock();
 		grab = rcu_dereference(dev->grab);
 		if (!grab || grab == handle)
-			input_handle_event(dev, handle->handler,
-					   type, code, value);
+			input_handle_event(dev, type, code, value);
 		rcu_read_unlock();
 
 		spin_unlock_irqrestore(&dev->event_lock, flags);
@@ -611,10 +596,10 @@
 		for (code = 0; code <= KEY_MAX; code++) {
 			if (is_event_supported(code, dev->keybit, KEY_MAX) &&
 			    __test_and_clear_bit(code, dev->key)) {
-				input_pass_event(dev, NULL, EV_KEY, code, 0);
+				input_pass_event(dev, EV_KEY, code, 0);
 			}
 		}
-		input_pass_event(dev, NULL, EV_SYN, SYN_REPORT, 1);
+		input_pass_event(dev, EV_SYN, SYN_REPORT, 1);
 	}
 }
 
@@ -889,9 +874,9 @@
 	    !is_event_supported(old_keycode, dev->keybit, KEY_MAX) &&
 	    __test_and_clear_bit(old_keycode, dev->key)) {
 
-		input_pass_event(dev, NULL, EV_KEY, old_keycode, 0);
+		input_pass_event(dev, EV_KEY, old_keycode, 0);
 		if (dev->sync)
-			input_pass_event(dev, NULL, EV_SYN, SYN_REPORT, 1);
+			input_pass_event(dev, EV_SYN, SYN_REPORT, 1);
 	}
 
  out:
diff --git a/drivers/input/keyboard/tegra-kbc.c b/drivers/input/keyboard/tegra-kbc.c
index ac471b7..99ce903 100644
--- a/drivers/input/keyboard/tegra-kbc.c
+++ b/drivers/input/keyboard/tegra-kbc.c
@@ -71,8 +71,9 @@
 	spinlock_t lock;
 	unsigned int repoll_dly;
 	unsigned long cp_dly_jiffies;
+	bool use_fn_map;
 	const struct tegra_kbc_platform_data *pdata;
-	unsigned short keycode[KBC_MAX_KEY];
+	unsigned short keycode[KBC_MAX_KEY * 2];
 	unsigned short current_keys[KBC_MAX_KPENT];
 	unsigned int num_pressed_keys;
 	struct timer_list timer;
@@ -178,6 +179,40 @@
 	KEY(15, 5, KEY_F2),
 	KEY(15, 6, KEY_CAPSLOCK),
 	KEY(15, 7, KEY_F6),
+
+	/* Software Handled Function Keys */
+	KEY(20, 0, KEY_KP7),
+
+	KEY(21, 0, KEY_KP9),
+	KEY(21, 1, KEY_KP8),
+	KEY(21, 2, KEY_KP4),
+	KEY(21, 4, KEY_KP1),
+
+	KEY(22, 1, KEY_KPSLASH),
+	KEY(22, 2, KEY_KP6),
+	KEY(22, 3, KEY_KP5),
+	KEY(22, 4, KEY_KP3),
+	KEY(22, 5, KEY_KP2),
+	KEY(22, 7, KEY_KP0),
+
+	KEY(27, 1, KEY_KPASTERISK),
+	KEY(27, 3, KEY_KPMINUS),
+	KEY(27, 4, KEY_KPPLUS),
+	KEY(27, 5, KEY_KPDOT),
+
+	KEY(28, 5, KEY_VOLUMEUP),
+
+	KEY(29, 3, KEY_HOME),
+	KEY(29, 4, KEY_END),
+	KEY(29, 5, KEY_BRIGHTNESSDOWN),
+	KEY(29, 6, KEY_VOLUMEDOWN),
+	KEY(29, 7, KEY_BRIGHTNESSUP),
+
+	KEY(30, 0, KEY_NUMLOCK),
+	KEY(30, 1, KEY_SCROLLLOCK),
+	KEY(30, 2, KEY_MUTE),
+
+	KEY(31, 4, KEY_HELP),
 };
 
 static const struct matrix_keymap_data tegra_kbc_default_keymap_data = {
@@ -224,6 +259,7 @@
 	unsigned int i;
 	unsigned int num_down = 0;
 	unsigned long flags;
+	bool fn_keypress = false;
 
 	spin_lock_irqsave(&kbc->lock, flags);
 	for (i = 0; i < KBC_MAX_KPENT; i++) {
@@ -237,11 +273,28 @@
 				MATRIX_SCAN_CODE(row, col, KBC_ROW_SHIFT);
 
 			scancodes[num_down] = scancode;
-			keycodes[num_down++] = kbc->keycode[scancode];
+			keycodes[num_down] = kbc->keycode[scancode];
+			/* If driver uses Fn map, do not report the Fn key. */
+			if ((keycodes[num_down] == KEY_FN) && kbc->use_fn_map)
+				fn_keypress = true;
+			else
+				num_down++;
 		}
 
 		val >>= 8;
 	}
+
+	/*
+	 * If the platform uses Fn keymaps, translate keys on a Fn keypress.
+	 * Function keycodes are KBC_MAX_KEY apart from the plain keycodes.
+	 */
+	if (fn_keypress) {
+		for (i = 0; i < num_down; i++) {
+			scancodes[i] += KBC_MAX_KEY;
+			keycodes[i] = kbc->keycode[scancodes[i]];
+		}
+	}
+
 	spin_unlock_irqrestore(&kbc->lock, flags);
 
 	tegra_kbc_report_released_keys(kbc->idev,
@@ -594,8 +647,11 @@
 
 	input_dev->keycode = kbc->keycode;
 	input_dev->keycodesize = sizeof(kbc->keycode[0]);
-	input_dev->keycodemax = ARRAY_SIZE(kbc->keycode);
+	input_dev->keycodemax = KBC_MAX_KEY;
+	if (pdata->use_fn_map)
+		input_dev->keycodemax *= 2;
 
+	kbc->use_fn_map = pdata->use_fn_map;
 	keymap_data = pdata->keymap_data ?: &tegra_kbc_default_keymap_data;
 	matrix_keypad_build_keymap(keymap_data, KBC_ROW_SHIFT,
 				   input_dev->keycode, input_dev->keybit);
diff --git a/drivers/input/misc/rotary_encoder.c b/drivers/input/misc/rotary_encoder.c
index 1f8e010..7e64d01 100644
--- a/drivers/input/misc/rotary_encoder.c
+++ b/drivers/input/misc/rotary_encoder.c
@@ -176,7 +176,7 @@
 
 	/* request the IRQs */
 	err = request_irq(encoder->irq_a, &rotary_encoder_irq,
-			  IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE,
+			  IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 			  DRV_NAME, encoder);
 	if (err) {
 		dev_err(&pdev->dev, "unable to request IRQ %d\n",
@@ -185,7 +185,7 @@
 	}
 
 	err = request_irq(encoder->irq_b, &rotary_encoder_irq,
-			  IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE,
+			  IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 			  DRV_NAME, encoder);
 	if (err) {
 		dev_err(&pdev->dev, "unable to request IRQ %d\n",
diff --git a/drivers/input/mouse/synaptics.h b/drivers/input/mouse/synaptics.h
index 25e5d04..7453938 100644
--- a/drivers/input/mouse/synaptics.h
+++ b/drivers/input/mouse/synaptics.h
@@ -51,6 +51,29 @@
 #define SYN_EXT_CAP_REQUESTS(c)		(((c) & 0x700000) >> 20)
 #define SYN_CAP_MULTI_BUTTON_NO(ec)	(((ec) & 0x00f000) >> 12)
 #define SYN_CAP_PRODUCT_ID(ec)		(((ec) & 0xff0000) >> 16)
+
+/*
+ * The following describes response for the 0x0c query.
+ *
+ * byte	mask	name			meaning
+ * ----	----	-------			------------
+ * 1	0x01	adjustable threshold	capacitive button sensitivity
+ *					can be adjusted
+ * 1	0x02	report max		query 0x0d gives max coord reported
+ * 1	0x04	clearpad		sensor is ClearPad product
+ * 1	0x08	advanced gesture	not particularly meaningful
+ * 1	0x10	clickpad bit 0		1-button ClickPad
+ * 1	0x60	multifinger mode	identifies firmware finger counting
+ *					(not reporting!) algorithm.
+ *					Not particularly meaningful
+ * 1	0x80    covered pad		W clipped to 14, 15 == pad mostly covered
+ * 2	0x01    clickpad bit 1		2-button ClickPad
+ * 2	0x02    deluxe LED controls	touchpad support LED commands
+ *					ala multimedia control bar
+ * 2	0x04	reduced filtering	firmware does less filtering on
+ *					position data, driver should watch
+ *					for noise.
+ */
 #define SYN_CAP_CLICKPAD(ex0c)		((ex0c) & 0x100000) /* 1-button ClickPad */
 #define SYN_CAP_CLICKPAD2BTN(ex0c)	((ex0c) & 0x000100) /* 2-button ClickPad */
 #define SYN_CAP_MAX_DIMENSIONS(ex0c)	((ex0c) & 0x020000)
diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c
index db5b0bc..ba70058 100644
--- a/drivers/input/serio/serio.c
+++ b/drivers/input/serio/serio.c
@@ -188,7 +188,8 @@
 	kfree(event);
 }
 
-static void serio_remove_duplicate_events(struct serio_event *event)
+static void serio_remove_duplicate_events(void *object,
+					  enum serio_event_type type)
 {
 	struct serio_event *e, *next;
 	unsigned long flags;
@@ -196,13 +197,13 @@
 	spin_lock_irqsave(&serio_event_lock, flags);
 
 	list_for_each_entry_safe(e, next, &serio_event_list, node) {
-		if (event->object == e->object) {
+		if (object == e->object) {
 			/*
 			 * If this event is of different type we should not
 			 * look further - we only suppress duplicate events
 			 * that were sent back-to-back.
 			 */
-			if (event->type != e->type)
+			if (type != e->type)
 				break;
 
 			list_del_init(&e->node);
@@ -245,7 +246,7 @@
 			break;
 		}
 
-		serio_remove_duplicate_events(event);
+		serio_remove_duplicate_events(event->object, event->type);
 		serio_free_event(event);
 	}
 
@@ -298,7 +299,7 @@
 	event->owner = owner;
 
 	list_add_tail(&event->node, &serio_event_list);
-	schedule_work(&serio_event_work);
+	queue_work(system_long_wq, &serio_event_work);
 
 out:
 	spin_unlock_irqrestore(&serio_event_lock, flags);
@@ -436,10 +437,12 @@
 	} else if (!strncmp(buf, "rescan", count)) {
 		serio_disconnect_port(serio);
 		serio_find_driver(serio);
+		serio_remove_duplicate_events(serio, SERIO_RESCAN_PORT);
 	} else if ((drv = driver_find(buf, &serio_bus)) != NULL) {
 		serio_disconnect_port(serio);
 		error = serio_bind_driver(serio, to_serio_driver(drv));
 		put_driver(drv);
+		serio_remove_duplicate_events(serio, SERIO_RESCAN_PORT);
 	} else {
 		error = -EINVAL;
 	}
diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
index fc38149..cf8fb9f 100644
--- a/drivers/input/tablet/wacom_sys.c
+++ b/drivers/input/tablet/wacom_sys.c
@@ -519,7 +519,7 @@
 	/* Retrieve the physical and logical size for OEM devices */
 	error = wacom_retrieve_hid_descriptor(intf, features);
 	if (error)
-		goto fail2;
+		goto fail3;
 
 	wacom_setup_device_quirks(features);
 
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index 14ea54b..4bf2316 100644
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -941,28 +941,29 @@
 	struct ads7846_platform_data *pdata = spi->dev.platform_data;
 	int err;
 
-	/* REVISIT when the irq can be triggered active-low, or if for some
+	/*
+	 * REVISIT when the irq can be triggered active-low, or if for some
 	 * reason the touchscreen isn't hooked up, we don't need to access
 	 * the pendown state.
 	 */
-	if (!pdata->get_pendown_state && !gpio_is_valid(pdata->gpio_pendown)) {
-		dev_err(&spi->dev, "no get_pendown_state nor gpio_pendown?\n");
-		return -EINVAL;
-	}
 
 	if (pdata->get_pendown_state) {
 		ts->get_pendown_state = pdata->get_pendown_state;
-		return 0;
-	}
+	} else if (gpio_is_valid(pdata->gpio_pendown)) {
 
-	err = gpio_request(pdata->gpio_pendown, "ads7846_pendown");
-	if (err) {
-		dev_err(&spi->dev, "failed to request pendown GPIO%d\n",
-			pdata->gpio_pendown);
-		return err;
-	}
+		err = gpio_request(pdata->gpio_pendown, "ads7846_pendown");
+		if (err) {
+			dev_err(&spi->dev, "failed to request pendown GPIO%d\n",
+				pdata->gpio_pendown);
+			return err;
+		}
 
-	ts->gpio_pendown = pdata->gpio_pendown;
+		ts->gpio_pendown = pdata->gpio_pendown;
+
+	} else {
+		dev_err(&spi->dev, "no get_pendown_state nor gpio_pendown?\n");
+		return -EINVAL;
+	}
 
 	return 0;
 }
@@ -1353,7 +1354,7 @@
  err_put_regulator:
 	regulator_put(ts->reg);
  err_free_gpio:
-	if (ts->gpio_pendown != -1)
+	if (!ts->get_pendown_state)
 		gpio_free(ts->gpio_pendown);
  err_cleanup_filter:
 	if (ts->filter_cleanup)
@@ -1383,8 +1384,13 @@
 	regulator_disable(ts->reg);
 	regulator_put(ts->reg);
 
-	if (ts->gpio_pendown != -1)
+	if (!ts->get_pendown_state) {
+		/*
+		 * If we are not using specialized pendown method we must
+		 * have been relying on gpio we set up ourselves.
+		 */
 		gpio_free(ts->gpio_pendown);
+	}
 
 	if (ts->filter_cleanup)
 		ts->filter_cleanup(ts->filter_data);
diff --git a/drivers/input/touchscreen/wacom_w8001.c b/drivers/input/touchscreen/wacom_w8001.c
index 5cb8449..c14412e 100644
--- a/drivers/input/touchscreen/wacom_w8001.c
+++ b/drivers/input/touchscreen/wacom_w8001.c
@@ -51,6 +51,10 @@
 #define W8001_PKTLEN_TPCCTL	11	/* control packet */
 #define W8001_PKTLEN_TOUCH2FG	13
 
+/* resolution in points/mm */
+#define W8001_PEN_RESOLUTION    100
+#define W8001_TOUCH_RESOLUTION  10
+
 struct w8001_coord {
 	u8 rdy;
 	u8 tsw;
@@ -198,7 +202,7 @@
 		query->y = 1024;
 		if (query->panel_res)
 			query->x = query->y = (1 << query->panel_res);
-		query->panel_res = 10;
+		query->panel_res = W8001_TOUCH_RESOLUTION;
 	}
 }
 
@@ -394,6 +398,8 @@
 
 		input_set_abs_params(dev, ABS_X, 0, coord.x, 0, 0);
 		input_set_abs_params(dev, ABS_Y, 0, coord.y, 0, 0);
+		input_abs_set_res(dev, ABS_X, W8001_PEN_RESOLUTION);
+		input_abs_set_res(dev, ABS_Y, W8001_PEN_RESOLUTION);
 		input_set_abs_params(dev, ABS_PRESSURE, 0, coord.pen_pressure, 0, 0);
 		if (coord.tilt_x && coord.tilt_y) {
 			input_set_abs_params(dev, ABS_TILT_X, 0, coord.tilt_x, 0, 0);
@@ -418,14 +424,17 @@
 		w8001->max_touch_x = touch.x;
 		w8001->max_touch_y = touch.y;
 
-		/* scale to pen maximum */
 		if (w8001->max_pen_x && w8001->max_pen_y) {
+			/* if pen is supported scale to pen maximum */
 			touch.x = w8001->max_pen_x;
 			touch.y = w8001->max_pen_y;
+			touch.panel_res = W8001_PEN_RESOLUTION;
 		}
 
 		input_set_abs_params(dev, ABS_X, 0, touch.x, 0, 0);
 		input_set_abs_params(dev, ABS_Y, 0, touch.y, 0, 0);
+		input_abs_set_res(dev, ABS_X, touch.panel_res);
+		input_abs_set_res(dev, ABS_Y, touch.panel_res);
 
 		switch (touch.sensor_id) {
 		case 0:
diff --git a/drivers/isdn/hisax/isdnl2.c b/drivers/isdn/hisax/isdnl2.c
index 0858791..cfff0c4 100644
--- a/drivers/isdn/hisax/isdnl2.c
+++ b/drivers/isdn/hisax/isdnl2.c
@@ -1247,10 +1247,10 @@
 l2_pull_iqueue(struct FsmInst *fi, int event, void *arg)
 {
 	struct PStack *st = fi->userdata;
-	struct sk_buff *skb, *oskb;
+	struct sk_buff *skb;
 	struct Layer2 *l2 = &st->l2;
 	u_char header[MAX_HEADER_LEN];
-	int i;
+	int i, hdr_space_needed;
 	int unsigned p1;
 	u_long flags;
 
@@ -1261,6 +1261,16 @@
 	if (!skb)
 		return;
 
+	hdr_space_needed = l2headersize(l2, 0);
+	if (hdr_space_needed > skb_headroom(skb)) {
+		struct sk_buff *orig_skb = skb;
+
+		skb = skb_realloc_headroom(skb, hdr_space_needed);
+		if (!skb) {
+			dev_kfree_skb(orig_skb);
+			return;
+		}
+	}
 	spin_lock_irqsave(&l2->lock, flags);
 	if(test_bit(FLG_MOD128, &l2->flag))
 		p1 = (l2->vs - l2->va) % 128;
@@ -1285,19 +1295,7 @@
 		l2->vs = (l2->vs + 1) % 8;
 	}
 	spin_unlock_irqrestore(&l2->lock, flags);
-	p1 = skb->data - skb->head;
-	if (p1 >= i)
-		memcpy(skb_push(skb, i), header, i);
-	else {
-		printk(KERN_WARNING
-		"isdl2 pull_iqueue skb header(%d/%d) too short\n", i, p1);
-		oskb = skb;
-		skb = alloc_skb(oskb->len + i, GFP_ATOMIC);
-		memcpy(skb_put(skb, i), header, i);
-		skb_copy_from_linear_data(oskb,
-					  skb_put(skb, oskb->len), oskb->len);
-		dev_kfree_skb(oskb);
-	}
+	memcpy(skb_push(skb, i), header, i);
 	st->l2.l2l1(st, PH_PULL | INDICATION, skb);
 	test_and_clear_bit(FLG_ACK_PEND, &st->l2.flag);
 	if (!test_and_set_bit(FLG_T200_RUN, &st->l2.flag)) {
diff --git a/drivers/isdn/hysdn/hysdn_defs.h b/drivers/isdn/hysdn/hysdn_defs.h
index 729df40..18b801a 100644
--- a/drivers/isdn/hysdn/hysdn_defs.h
+++ b/drivers/isdn/hysdn/hysdn_defs.h
@@ -227,7 +227,6 @@
 /*************************/
 /* im/exported functions */
 /*************************/
-extern char *hysdn_getrev(const char *);
 
 /* hysdn_procconf.c */
 extern int hysdn_procconf_init(void);	/* init proc config filesys */
@@ -259,7 +258,6 @@
 
 /* hysdn_net.c */
 extern unsigned int hynet_enable; 
-extern char *hysdn_net_revision;
 extern int hysdn_net_create(hysdn_card *);	/* create a new net device */
 extern int hysdn_net_release(hysdn_card *);	/* delete the device */
 extern char *hysdn_net_getname(hysdn_card *);	/* get name of net interface */
diff --git a/drivers/isdn/hysdn/hysdn_init.c b/drivers/isdn/hysdn/hysdn_init.c
index b7cc5c2..0ab42ac 100644
--- a/drivers/isdn/hysdn/hysdn_init.c
+++ b/drivers/isdn/hysdn/hysdn_init.c
@@ -36,7 +36,6 @@
 MODULE_AUTHOR("Werner Cornelius");
 MODULE_LICENSE("GPL");
 
-static char *hysdn_init_revision = "$Revision: 1.6.6.6 $";
 static int cardmax;		/* number of found cards */
 hysdn_card *card_root = NULL;	/* pointer to first card */
 static hysdn_card *card_last = NULL;	/* pointer to first card */
@@ -49,25 +48,6 @@
 /* Additionally newer versions may be activated without rebooting.          */
 /****************************************************************************/
 
-/******************************************************/
-/* extract revision number from string for log output */
-/******************************************************/
-char *
-hysdn_getrev(const char *revision)
-{
-	char *rev;
-	char *p;
-
-	if ((p = strchr(revision, ':'))) {
-		rev = p + 2;
-		p = strchr(rev, '$');
-		*--p = 0;
-	} else
-		rev = "???";
-	return rev;
-}
-
-
 /****************************************************************************/
 /* init_module is called once when the module is loaded to do all necessary */
 /* things like autodetect...                                                */
@@ -175,13 +155,9 @@
 static int __init
 hysdn_init(void)
 {
-	char tmp[50];
 	int rc;
 
-	strcpy(tmp, hysdn_init_revision);
-	printk(KERN_NOTICE "HYSDN: module Rev: %s loaded\n", hysdn_getrev(tmp));
-	strcpy(tmp, hysdn_net_revision);
-	printk(KERN_NOTICE "HYSDN: network interface Rev: %s \n", hysdn_getrev(tmp));
+	printk(KERN_NOTICE "HYSDN: module loaded\n");
 
 	rc = pci_register_driver(&hysdn_pci_driver);
 	if (rc)
diff --git a/drivers/isdn/hysdn/hysdn_net.c b/drivers/isdn/hysdn/hysdn_net.c
index feec8d8..11f2cce 100644
--- a/drivers/isdn/hysdn/hysdn_net.c
+++ b/drivers/isdn/hysdn/hysdn_net.c
@@ -26,9 +26,6 @@
 unsigned int hynet_enable = 0xffffffff; 
 module_param(hynet_enable, uint, 0);
 
-/* store the actual version for log reporting */
-char *hysdn_net_revision = "$Revision: 1.8.6.4 $";
-
 #define MAX_SKB_BUFFERS 20	/* number of buffers for keeping TX-data */
 
 /****************************************************************************/
diff --git a/drivers/isdn/hysdn/hysdn_procconf.c b/drivers/isdn/hysdn/hysdn_procconf.c
index 96b3e39..5fe83bd 100644
--- a/drivers/isdn/hysdn/hysdn_procconf.c
+++ b/drivers/isdn/hysdn/hysdn_procconf.c
@@ -23,7 +23,6 @@
 #include "hysdn_defs.h"
 
 static DEFINE_MUTEX(hysdn_conf_mutex);
-static char *hysdn_procconf_revision = "$Revision: 1.8.6.4 $";
 
 #define INFO_OUT_LEN 80		/* length of info line including lf */
 
@@ -404,7 +403,7 @@
 		card = card->next;	/* next entry */
 	}
 
-	printk(KERN_NOTICE "HYSDN: procfs Rev. %s initialised\n", hysdn_getrev(hysdn_procconf_revision));
+	printk(KERN_NOTICE "HYSDN: procfs initialised\n");
 	return (0);
 }				/* hysdn_procconf_init */
 
diff --git a/drivers/md/linear.c b/drivers/md/linear.c
index 8a2f767..0ed7f6b 100644
--- a/drivers/md/linear.c
+++ b/drivers/md/linear.c
@@ -216,7 +216,6 @@
 
 	if (md_check_no_bitmap(mddev))
 		return -EINVAL;
-	mddev->queue->queue_lock = &mddev->queue->__queue_lock;
 	conf = linear_conf(mddev, mddev->raid_disks);
 
 	if (!conf)
diff --git a/drivers/md/md.c b/drivers/md/md.c
index b76cfc8..818313e 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -287,6 +287,7 @@
 	mddev_t *mddev = q->queuedata;
 	int rv;
 	int cpu;
+	unsigned int sectors;
 
 	if (mddev == NULL || mddev->pers == NULL
 	    || !mddev->ready) {
@@ -311,12 +312,16 @@
 	atomic_inc(&mddev->active_io);
 	rcu_read_unlock();
 
+	/*
+	 * save the sectors now since our bio can
+	 * go away inside make_request
+	 */
+	sectors = bio_sectors(bio);
 	rv = mddev->pers->make_request(mddev, bio);
 
 	cpu = part_stat_lock();
 	part_stat_inc(cpu, &mddev->gendisk->part0, ios[rw]);
-	part_stat_add(cpu, &mddev->gendisk->part0, sectors[rw],
-		      bio_sectors(bio));
+	part_stat_add(cpu, &mddev->gendisk->part0, sectors[rw], sectors);
 	part_stat_unlock();
 
 	if (atomic_dec_and_test(&mddev->active_io) && mddev->suspended)
@@ -548,6 +553,9 @@
 {
 	mddev_t *mddev, *new = NULL;
 
+	if (unit && MAJOR(unit) != MD_MAJOR)
+		unit &= ~((1<<MdpMinorShift)-1);
+
  retry:
 	spin_lock(&all_mddevs_lock);
 
@@ -1947,8 +1955,6 @@
 			__bdevname(dev, b));
 		return PTR_ERR(bdev);
 	}
-	if (!shared)
-		set_bit(AllReserved, &rdev->flags);
 	rdev->bdev = bdev;
 	return err;
 }
@@ -2465,6 +2471,9 @@
 		if (rdev->raid_disk != -1)
 			return -EBUSY;
 
+		if (test_bit(MD_RECOVERY_RUNNING, &rdev->mddev->recovery))
+			return -EBUSY;
+
 		if (rdev->mddev->pers->hot_add_disk == NULL)
 			return -EINVAL;
 
@@ -2610,12 +2619,11 @@
 
 			mddev_lock(mddev);
 			list_for_each_entry(rdev2, &mddev->disks, same_set)
-				if (test_bit(AllReserved, &rdev2->flags) ||
-				    (rdev->bdev == rdev2->bdev &&
-				     rdev != rdev2 &&
-				     overlaps(rdev->data_offset, rdev->sectors,
-					      rdev2->data_offset,
-					      rdev2->sectors))) {
+				if (rdev->bdev == rdev2->bdev &&
+				    rdev != rdev2 &&
+				    overlaps(rdev->data_offset, rdev->sectors,
+					     rdev2->data_offset,
+					     rdev2->sectors)) {
 					overlap = 1;
 					break;
 				}
@@ -4133,10 +4141,10 @@
 	}
 
 	mddev->array_sectors = sectors;
-	set_capacity(mddev->gendisk, mddev->array_sectors);
-	if (mddev->pers)
+	if (mddev->pers) {
+		set_capacity(mddev->gendisk, mddev->array_sectors);
 		revalidate_disk(mddev->gendisk);
-
+	}
 	return len;
 }
 
@@ -4619,6 +4627,7 @@
 	}
 	set_capacity(mddev->gendisk, mddev->array_sectors);
 	revalidate_disk(mddev->gendisk);
+	mddev->changed = 1;
 	kobject_uevent(&disk_to_dev(mddev->gendisk)->kobj, KOBJ_CHANGE);
 out:
 	return err;
@@ -4707,6 +4716,7 @@
 	mddev->sync_speed_min = mddev->sync_speed_max = 0;
 	mddev->recovery = 0;
 	mddev->in_sync = 0;
+	mddev->changed = 0;
 	mddev->degraded = 0;
 	mddev->safemode = 0;
 	mddev->bitmap_info.offset = 0;
@@ -4822,6 +4832,7 @@
 
 		set_capacity(disk, 0);
 		mutex_unlock(&mddev->open_mutex);
+		mddev->changed = 1;
 		revalidate_disk(disk);
 
 		if (mddev->ro)
@@ -5578,6 +5589,8 @@
 	mddev->delta_disks = raid_disks - mddev->raid_disks;
 
 	rv = mddev->pers->check_reshape(mddev);
+	if (rv < 0)
+		mddev->delta_disks = 0;
 	return rv;
 }
 
@@ -6004,7 +6017,7 @@
 	atomic_inc(&mddev->openers);
 	mutex_unlock(&mddev->open_mutex);
 
-	check_disk_size_change(mddev->gendisk, bdev);
+	check_disk_change(bdev);
  out:
 	return err;
 }
@@ -6019,6 +6032,21 @@
 
 	return 0;
 }
+
+static int md_media_changed(struct gendisk *disk)
+{
+	mddev_t *mddev = disk->private_data;
+
+	return mddev->changed;
+}
+
+static int md_revalidate(struct gendisk *disk)
+{
+	mddev_t *mddev = disk->private_data;
+
+	mddev->changed = 0;
+	return 0;
+}
 static const struct block_device_operations md_fops =
 {
 	.owner		= THIS_MODULE,
@@ -6029,6 +6057,8 @@
 	.compat_ioctl	= md_compat_ioctl,
 #endif
 	.getgeo		= md_getgeo,
+	.media_changed  = md_media_changed,
+	.revalidate_disk= md_revalidate,
 };
 
 static int md_thread(void * arg)
@@ -6985,9 +7015,6 @@
 	} else if (test_bit(MD_RECOVERY_REQUESTED, &mddev->recovery))
 		mddev->resync_min = mddev->curr_resync_completed;
 	mddev->curr_resync = 0;
-	if (!test_bit(MD_RECOVERY_INTR, &mddev->recovery))
-		mddev->curr_resync_completed = 0;
-	sysfs_notify(&mddev->kobj, NULL, "sync_completed");
 	wake_up(&resync_wait);
 	set_bit(MD_RECOVERY_DONE, &mddev->recovery);
 	md_wakeup_thread(mddev->thread);
@@ -7028,7 +7055,7 @@
 			}
 		}
 
-	if (mddev->degraded && ! mddev->ro && !mddev->recovery_disabled) {
+	if (mddev->degraded && !mddev->recovery_disabled) {
 		list_for_each_entry(rdev, &mddev->disks, same_set) {
 			if (rdev->raid_disk >= 0 &&
 			    !test_bit(In_sync, &rdev->flags) &&
@@ -7151,7 +7178,20 @@
 			/* Only thing we do on a ro array is remove
 			 * failed devices.
 			 */
-			remove_and_add_spares(mddev);
+			mdk_rdev_t *rdev;
+			list_for_each_entry(rdev, &mddev->disks, same_set)
+				if (rdev->raid_disk >= 0 &&
+				    !test_bit(Blocked, &rdev->flags) &&
+				    test_bit(Faulty, &rdev->flags) &&
+				    atomic_read(&rdev->nr_pending)==0) {
+					if (mddev->pers->hot_remove_disk(
+						    mddev, rdev->raid_disk)==0) {
+						char nm[20];
+						sprintf(nm,"rd%d", rdev->raid_disk);
+						sysfs_remove_link(&mddev->kobj, nm);
+						rdev->raid_disk = -1;
+					}
+				}
 			clear_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
 			goto unlock;
 		}
diff --git a/drivers/md/md.h b/drivers/md/md.h
index eec517c..12215d4 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -93,8 +93,6 @@
 #define	Faulty		1		/* device is known to have a fault */
 #define	In_sync		2		/* device is in_sync with rest of array */
 #define	WriteMostly	4		/* Avoid reading if at all possible */
-#define	AllReserved	6		/* If whole device is reserved for
-					 * one array */
 #define	AutoDetected	7		/* added by auto-detect */
 #define Blocked		8		/* An error occured on an externally
 					 * managed array, don't allow writes
@@ -276,6 +274,8 @@
 	atomic_t			active;		/* general refcount */
 	atomic_t			openers;	/* number of active opens */
 
+	int				changed;	/* True if we might need to
+							 * reread partition info */
 	int				degraded;	/* whether md should consider
 							 * adding a spare
 							 */
diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c
index 6d7ddf3..3a62d44 100644
--- a/drivers/md/multipath.c
+++ b/drivers/md/multipath.c
@@ -435,7 +435,6 @@
 	 * bookkeeping area. [whatever we allocate in multipath_run(),
 	 * should be freed in multipath_stop()]
 	 */
-	mddev->queue->queue_lock = &mddev->queue->__queue_lock;
 
 	conf = kzalloc(sizeof(multipath_conf_t), GFP_KERNEL);
 	mddev->private = conf;
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index a39f4c3..c0ac457 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -179,6 +179,14 @@
 			rdev1->new_raid_disk = j;
 		}
 
+		if (mddev->level == 1) {
+			/* taiking over a raid1 array-
+			 * we have only one active disk
+			 */
+			j = 0;
+			rdev1->new_raid_disk = j;
+		}
+
 		if (j < 0 || j >= mddev->raid_disks) {
 			printk(KERN_ERR "md/raid0:%s: bad disk number %d - "
 			       "aborting!\n", mdname(mddev), j);
@@ -353,7 +361,6 @@
 	if (md_check_no_bitmap(mddev))
 		return -EINVAL;
 	blk_queue_max_hw_sectors(mddev->queue, mddev->chunk_sectors);
-	mddev->queue->queue_lock = &mddev->queue->__queue_lock;
 
 	/* if private is not null, we are here after takeover */
 	if (mddev->private == NULL) {
@@ -644,12 +651,39 @@
 	return priv_conf;
 }
 
+static void *raid0_takeover_raid1(mddev_t *mddev)
+{
+	raid0_conf_t *priv_conf;
+
+	/* Check layout:
+	 *  - (N - 1) mirror drives must be already faulty
+	 */
+	if ((mddev->raid_disks - 1) != mddev->degraded) {
+		printk(KERN_ERR "md/raid0:%s: (N - 1) mirrors drives must be already faulty!\n",
+		       mdname(mddev));
+		return ERR_PTR(-EINVAL);
+	}
+
+	/* Set new parameters */
+	mddev->new_level = 0;
+	mddev->new_layout = 0;
+	mddev->new_chunk_sectors = 128; /* by default set chunk size to 64k */
+	mddev->delta_disks = 1 - mddev->raid_disks;
+	mddev->raid_disks = 1;
+	/* make sure it will be not marked as dirty */
+	mddev->recovery_cp = MaxSector;
+
+	create_strip_zones(mddev, &priv_conf);
+	return priv_conf;
+}
+
 static void *raid0_takeover(mddev_t *mddev)
 {
 	/* raid0 can take over:
 	 *  raid4 - if all data disks are active.
 	 *  raid5 - providing it is Raid4 layout and one disk is faulty
 	 *  raid10 - assuming we have all necessary active disks
+	 *  raid1 - with (N -1) mirror drives faulty
 	 */
 	if (mddev->level == 4)
 		return raid0_takeover_raid45(mddev);
@@ -665,6 +699,12 @@
 	if (mddev->level == 10)
 		return raid0_takeover_raid10(mddev);
 
+	if (mddev->level == 1)
+		return raid0_takeover_raid1(mddev);
+
+	printk(KERN_ERR "Takeover from raid%i to raid0 not supported\n",
+		mddev->level);
+
 	return ERR_PTR(-EINVAL);
 }
 
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index a23ffa3..06cd712 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -593,7 +593,10 @@
 	if (conf->pending_bio_list.head) {
 		struct bio *bio;
 		bio = bio_list_get(&conf->pending_bio_list);
+		/* Only take the spinlock to quiet a warning */
+		spin_lock(conf->mddev->queue->queue_lock);
 		blk_remove_plug(conf->mddev->queue);
+		spin_unlock(conf->mddev->queue->queue_lock);
 		spin_unlock_irq(&conf->device_lock);
 		/* flush any pending bitmap writes to
 		 * disk before proceeding w/ I/O */
@@ -959,7 +962,7 @@
 		atomic_inc(&r1_bio->remaining);
 		spin_lock_irqsave(&conf->device_lock, flags);
 		bio_list_add(&conf->pending_bio_list, mbio);
-		blk_plug_device(mddev->queue);
+		blk_plug_device_unlocked(mddev->queue);
 		spin_unlock_irqrestore(&conf->device_lock, flags);
 	}
 	r1_bio_write_done(r1_bio, bio->bi_vcnt, behind_pages, behind_pages != NULL);
@@ -2021,7 +2024,6 @@
 	if (IS_ERR(conf))
 		return PTR_ERR(conf);
 
-	mddev->queue->queue_lock = &conf->device_lock;
 	list_for_each_entry(rdev, &mddev->disks, same_set) {
 		disk_stack_limits(mddev->gendisk, rdev->bdev,
 				  rdev->data_offset << 9);
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 69b6595..747d061 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -662,7 +662,10 @@
 	if (conf->pending_bio_list.head) {
 		struct bio *bio;
 		bio = bio_list_get(&conf->pending_bio_list);
+		/* Spinlock only taken to quiet a warning */
+		spin_lock(conf->mddev->queue->queue_lock);
 		blk_remove_plug(conf->mddev->queue);
+		spin_unlock(conf->mddev->queue->queue_lock);
 		spin_unlock_irq(&conf->device_lock);
 		/* flush any pending bitmap writes to disk
 		 * before proceeding w/ I/O */
@@ -971,7 +974,7 @@
 		atomic_inc(&r10_bio->remaining);
 		spin_lock_irqsave(&conf->device_lock, flags);
 		bio_list_add(&conf->pending_bio_list, mbio);
-		blk_plug_device(mddev->queue);
+		blk_plug_device_unlocked(mddev->queue);
 		spin_unlock_irqrestore(&conf->device_lock, flags);
 	}
 
@@ -2304,8 +2307,6 @@
 	if (!conf)
 		goto out;
 
-	mddev->queue->queue_lock = &conf->device_lock;
-
 	mddev->thread = conf->thread;
 	conf->thread = NULL;
 
@@ -2463,11 +2464,13 @@
 	mddev->recovery_cp = MaxSector;
 
 	conf = setup_conf(mddev);
-	if (!IS_ERR(conf))
+	if (!IS_ERR(conf)) {
 		list_for_each_entry(rdev, &mddev->disks, same_set)
 			if (rdev->raid_disk >= 0)
 				rdev->new_raid_disk = rdev->raid_disk * 2;
-		
+		conf->barrier = 1;
+	}
+
 	return conf;
 }
 
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 5044bab..78536fd 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -5204,7 +5204,6 @@
 
 		mddev->queue->backing_dev_info.congested_data = mddev;
 		mddev->queue->backing_dev_info.congested_fn = raid5_congested;
-		mddev->queue->queue_lock = &conf->device_lock;
 		mddev->queue->unplug_fn = raid5_unplug_queue;
 
 		chunk_size = mddev->chunk_sectors << 9;
@@ -5517,7 +5516,6 @@
 	raid5_conf_t *conf = mddev->private;
 	mdk_rdev_t *rdev;
 	int spares = 0;
-	int added_devices = 0;
 	unsigned long flags;
 
 	if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery))
@@ -5527,8 +5525,8 @@
 		return -ENOSPC;
 
 	list_for_each_entry(rdev, &mddev->disks, same_set)
-		if ((rdev->raid_disk < 0 || rdev->raid_disk >= conf->raid_disks)
-		     && !test_bit(Faulty, &rdev->flags))
+		if (!test_bit(In_sync, &rdev->flags)
+		    && !test_bit(Faulty, &rdev->flags))
 			spares++;
 
 	if (spares - mddev->degraded < mddev->delta_disks - conf->max_degraded)
@@ -5571,34 +5569,35 @@
 	 * to correctly record the "partially reconstructed" state of
 	 * such devices during the reshape and confusion could result.
 	 */
-	if (mddev->delta_disks >= 0)
-	    list_for_each_entry(rdev, &mddev->disks, same_set)
-		if (rdev->raid_disk < 0 &&
-		    !test_bit(Faulty, &rdev->flags)) {
-			if (raid5_add_disk(mddev, rdev) == 0) {
-				char nm[20];
-				if (rdev->raid_disk >= conf->previous_raid_disks) {
-					set_bit(In_sync, &rdev->flags);
-					added_devices++;
-				} else
-					rdev->recovery_offset = 0;
-				sprintf(nm, "rd%d", rdev->raid_disk);
-				if (sysfs_create_link(&mddev->kobj,
-						      &rdev->kobj, nm))
-					/* Failure here is OK */;
-			} else
-				break;
-		} else if (rdev->raid_disk >= conf->previous_raid_disks
-			   && !test_bit(Faulty, &rdev->flags)) {
-			/* This is a spare that was manually added */
-			set_bit(In_sync, &rdev->flags);
-			added_devices++;
-		}
+	if (mddev->delta_disks >= 0) {
+		int added_devices = 0;
+		list_for_each_entry(rdev, &mddev->disks, same_set)
+			if (rdev->raid_disk < 0 &&
+			    !test_bit(Faulty, &rdev->flags)) {
+				if (raid5_add_disk(mddev, rdev) == 0) {
+					char nm[20];
+					if (rdev->raid_disk
+					    >= conf->previous_raid_disks) {
+						set_bit(In_sync, &rdev->flags);
+						added_devices++;
+					} else
+						rdev->recovery_offset = 0;
+					sprintf(nm, "rd%d", rdev->raid_disk);
+					if (sysfs_create_link(&mddev->kobj,
+							      &rdev->kobj, nm))
+						/* Failure here is OK */;
+				}
+			} else if (rdev->raid_disk >= conf->previous_raid_disks
+				   && !test_bit(Faulty, &rdev->flags)) {
+				/* This is a spare that was manually added */
+				set_bit(In_sync, &rdev->flags);
+				added_devices++;
+			}
 
-	/* When a reshape changes the number of devices, ->degraded
-	 * is measured against the larger of the pre and post number of
-	 * devices.*/
-	if (mddev->delta_disks > 0) {
+		/* When a reshape changes the number of devices,
+		 * ->degraded is measured against the larger of the
+		 * pre and post number of devices.
+		 */
 		spin_lock_irqsave(&conf->device_lock, flags);
 		mddev->degraded += (conf->raid_disks - conf->previous_raid_disks)
 			- added_devices;
diff --git a/drivers/memstick/core/memstick.c b/drivers/memstick/core/memstick.c
index e9a3eab..8c1d85e 100644
--- a/drivers/memstick/core/memstick.c
+++ b/drivers/memstick/core/memstick.c
@@ -621,7 +621,7 @@
 {
 	int rc;
 
-	workqueue = create_freezeable_workqueue("kmemstick");
+	workqueue = create_freezable_workqueue("kmemstick");
 	if (!workqueue)
 		return -ENOMEM;
 
diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h
index f71f229..1735c84 100644
--- a/drivers/message/fusion/mptbase.h
+++ b/drivers/message/fusion/mptbase.h
@@ -76,8 +76,8 @@
 #define COPYRIGHT	"Copyright (c) 1999-2008 " MODULEAUTHOR
 #endif
 
-#define MPT_LINUX_VERSION_COMMON	"3.04.17"
-#define MPT_LINUX_PACKAGE_NAME		"@(#)mptlinux-3.04.17"
+#define MPT_LINUX_VERSION_COMMON	"3.04.18"
+#define MPT_LINUX_PACKAGE_NAME		"@(#)mptlinux-3.04.18"
 #define WHAT_MAGIC_STRING		"@" "(" "#" ")"
 
 #define show_mptmod_ver(s,ver)  \
diff --git a/drivers/message/fusion/mptctl.c b/drivers/message/fusion/mptctl.c
index a3856ed..e8deb8e 100644
--- a/drivers/message/fusion/mptctl.c
+++ b/drivers/message/fusion/mptctl.c
@@ -597,6 +597,13 @@
 }
 
 static int
+mptctl_release(struct inode *inode, struct file *filep)
+{
+	fasync_helper(-1, filep, 0, &async_queue);
+	return 0;
+}
+
+static int
 mptctl_fasync(int fd, struct file *filep, int mode)
 {
 	MPT_ADAPTER	*ioc;
@@ -2815,6 +2822,7 @@
 	.llseek =	no_llseek,
 	.fasync = 	mptctl_fasync,
 	.unlocked_ioctl = mptctl_ioctl,
+	.release =	mptctl_release,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl = compat_mpctl_ioctl,
 #endif
diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c
index 59b8f53..0d9b82a 100644
--- a/drivers/message/fusion/mptscsih.c
+++ b/drivers/message/fusion/mptscsih.c
@@ -1873,8 +1873,9 @@
 	}
 
  out:
-	printk(MYIOC_s_INFO_FMT "task abort: %s (sc=%p)\n",
-	    ioc->name, ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), SCpnt);
+	printk(MYIOC_s_INFO_FMT "task abort: %s (rv=%04x) (sc=%p) (sn=%ld)\n",
+	    ioc->name, ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), retval,
+	    SCpnt, SCpnt->serial_number);
 
 	return retval;
 }
@@ -1911,7 +1912,7 @@
 
 	vdevice = SCpnt->device->hostdata;
 	if (!vdevice || !vdevice->vtarget) {
-		retval = SUCCESS;
+		retval = 0;
 		goto out;
 	}
 
diff --git a/drivers/misc/tifm_core.c b/drivers/misc/tifm_core.c
index 5f6852d..44d4475 100644
--- a/drivers/misc/tifm_core.c
+++ b/drivers/misc/tifm_core.c
@@ -329,7 +329,7 @@
 {
 	int rc;
 
-	workqueue = create_freezeable_workqueue("tifm");
+	workqueue = create_freezable_workqueue("tifm");
 	if (!workqueue)
 		return -ENOMEM;
 
diff --git a/drivers/misc/vmw_balloon.c b/drivers/misc/vmw_balloon.c
index 4d2ea8e..6df5a55 100644
--- a/drivers/misc/vmw_balloon.c
+++ b/drivers/misc/vmw_balloon.c
@@ -785,7 +785,7 @@
 	if (x86_hyper != &x86_hyper_vmware)
 		return -ENODEV;
 
-	vmballoon_wq = create_freezeable_workqueue("vmmemctl");
+	vmballoon_wq = create_freezable_workqueue("vmmemctl");
 	if (!vmballoon_wq) {
 		pr_err("failed to create workqueue\n");
 		return -ENOMEM;
diff --git a/drivers/mtd/nand/r852.c b/drivers/mtd/nand/r852.c
index d9d7efb..6322d1f 100644
--- a/drivers/mtd/nand/r852.c
+++ b/drivers/mtd/nand/r852.c
@@ -930,7 +930,7 @@
 
 	init_completion(&dev->dma_done);
 
-	dev->card_workqueue = create_freezeable_workqueue(DRV_NAME);
+	dev->card_workqueue = create_freezable_workqueue(DRV_NAME);
 
 	if (!dev->card_workqueue)
 		goto error9;
diff --git a/drivers/mtd/sm_ftl.c b/drivers/mtd/sm_ftl.c
index 67822cf..ac0d6a8 100644
--- a/drivers/mtd/sm_ftl.c
+++ b/drivers/mtd/sm_ftl.c
@@ -1258,7 +1258,7 @@
 static __init int sm_module_init(void)
 {
 	int error = 0;
-	cache_flush_workqueue = create_freezeable_workqueue("smflush");
+	cache_flush_workqueue = create_freezable_workqueue("smflush");
 
 	if (IS_ERR(cache_flush_workqueue))
 		return PTR_ERR(cache_flush_workqueue);
diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c
index 0c7811f..a179cc6 100644
--- a/drivers/net/benet/be_cmds.c
+++ b/drivers/net/benet/be_cmds.c
@@ -1786,6 +1786,10 @@
 	spin_lock_bh(&adapter->mcc_lock);
 
 	wrb = wrb_from_mccq(adapter);
+	if (!wrb) {
+		status = -EBUSY;
+		goto err;
+	}
 	req = nonemb_cmd->va;
 	sge = nonembedded_sgl(wrb);
 
@@ -1801,6 +1805,7 @@
 
 	status = be_mcc_notify_wait(adapter);
 
+err:
 	spin_unlock_bh(&adapter->mcc_lock);
 	return status;
 }
diff --git a/drivers/net/bnx2x/bnx2x_main.c b/drivers/net/bnx2x/bnx2x_main.c
index f40740e..d584d32 100644
--- a/drivers/net/bnx2x/bnx2x_main.c
+++ b/drivers/net/bnx2x/bnx2x_main.c
@@ -4276,9 +4276,12 @@
 		def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
 				BNX2X_ACCEPT_MULTICAST;
 #ifdef BCM_CNIC
-		cl_id = bnx2x_fcoe(bp, cl_id);
-		bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_UNICAST |
-					  BNX2X_ACCEPT_MULTICAST);
+		if (!NO_FCOE(bp)) {
+			cl_id = bnx2x_fcoe(bp, cl_id);
+			bnx2x_rxq_set_mac_filters(bp, cl_id,
+						  BNX2X_ACCEPT_UNICAST |
+						  BNX2X_ACCEPT_MULTICAST);
+		}
 #endif
 		break;
 
@@ -4286,18 +4289,29 @@
 		def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
 				BNX2X_ACCEPT_ALL_MULTICAST;
 #ifdef BCM_CNIC
-		cl_id = bnx2x_fcoe(bp, cl_id);
-		bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_UNICAST |
-					  BNX2X_ACCEPT_MULTICAST);
+		/*
+		 *  Prevent duplication of multicast packets by configuring FCoE
+		 *  L2 Client to receive only matched unicast frames.
+		 */
+		if (!NO_FCOE(bp)) {
+			cl_id = bnx2x_fcoe(bp, cl_id);
+			bnx2x_rxq_set_mac_filters(bp, cl_id,
+						  BNX2X_ACCEPT_UNICAST);
+		}
 #endif
 		break;
 
 	case BNX2X_RX_MODE_PROMISC:
 		def_q_filters |= BNX2X_PROMISCUOUS_MODE;
 #ifdef BCM_CNIC
-		cl_id = bnx2x_fcoe(bp, cl_id);
-		bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_UNICAST |
-					  BNX2X_ACCEPT_MULTICAST);
+		/*
+		 *  Prevent packets duplication by configuring DROP_ALL for FCoE
+		 *  L2 Client.
+		 */
+		if (!NO_FCOE(bp)) {
+			cl_id = bnx2x_fcoe(bp, cl_id);
+			bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
+		}
 #endif
 		/* pass management unicast packets as well */
 		llh_mask |= NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_UNCST;
diff --git a/drivers/net/can/mcp251x.c b/drivers/net/can/mcp251x.c
index 7ab534a..7513c45 100644
--- a/drivers/net/can/mcp251x.c
+++ b/drivers/net/can/mcp251x.c
@@ -940,7 +940,7 @@
 		goto open_unlock;
 	}
 
-	priv->wq = create_freezeable_workqueue("mcp251x_wq");
+	priv->wq = create_freezable_workqueue("mcp251x_wq");
 	INIT_WORK(&priv->tx_work, mcp251x_tx_work_handler);
 	INIT_WORK(&priv->restart_work, mcp251x_restart_work_handler);
 
diff --git a/drivers/net/can/mscan/Kconfig b/drivers/net/can/mscan/Kconfig
index 27d1d39..d387069 100644
--- a/drivers/net/can/mscan/Kconfig
+++ b/drivers/net/can/mscan/Kconfig
@@ -1,5 +1,5 @@
 config CAN_MSCAN
-	depends on CAN_DEV && (PPC || M68K || M68KNOMMU)
+	depends on CAN_DEV && (PPC || M68K)
 	tristate "Support for Freescale MSCAN based chips"
 	---help---
 	  The Motorola Scalable Controller Area Network (MSCAN) definition
diff --git a/drivers/net/can/pch_can.c b/drivers/net/can/pch_can.c
index c42e972..e54712b 100644
--- a/drivers/net/can/pch_can.c
+++ b/drivers/net/can/pch_can.c
@@ -185,7 +185,7 @@
 
 static struct can_bittiming_const pch_can_bittiming_const = {
 	.name = KBUILD_MODNAME,
-	.tseg1_min = 1,
+	.tseg1_min = 2,
 	.tseg1_max = 16,
 	.tseg2_min = 1,
 	.tseg2_max = 8,
@@ -959,13 +959,13 @@
 	struct pch_can_priv *priv = netdev_priv(ndev);
 
 	unregister_candev(priv->ndev);
-	pci_iounmap(pdev, priv->regs);
 	if (priv->use_msi)
 		pci_disable_msi(priv->dev);
 	pci_release_regions(pdev);
 	pci_disable_device(pdev);
 	pci_set_drvdata(pdev, NULL);
 	pch_can_reset(priv);
+	pci_iounmap(pdev, priv->regs);
 	free_candev(priv->ndev);
 }
 
@@ -1238,6 +1238,7 @@
 		priv->use_msi = 0;
 	} else {
 		netdev_err(ndev, "PCH CAN opened with MSI\n");
+		pci_set_master(pdev);
 		priv->use_msi = 1;
 	}
 
diff --git a/drivers/net/can/softing/Kconfig b/drivers/net/can/softing/Kconfig
index 8ba81b3..5de46a9 100644
--- a/drivers/net/can/softing/Kconfig
+++ b/drivers/net/can/softing/Kconfig
@@ -18,7 +18,7 @@
 config CAN_SOFTING_CS
 	tristate "Softing Gmbh CAN pcmcia cards"
 	depends on PCMCIA
-	select CAN_SOFTING
+	depends on CAN_SOFTING
 	---help---
 	  Support for PCMCIA cards from Softing Gmbh & some cards
 	  from Vector Gmbh.
diff --git a/drivers/net/can/softing/softing_cs.c b/drivers/net/can/softing/softing_cs.c
index 300fe75..c11bb4d 100644
--- a/drivers/net/can/softing/softing_cs.c
+++ b/drivers/net/can/softing/softing_cs.c
@@ -19,6 +19,7 @@
 
 #include <linux/module.h>
 #include <linux/kernel.h>
+#include <linux/slab.h>
 
 #include <pcmcia/cistpl.h>
 #include <pcmcia/ds.h>
diff --git a/drivers/net/cxgb4vf/cxgb4vf_main.c b/drivers/net/cxgb4vf/cxgb4vf_main.c
index 56166ae..6aad64d 100644
--- a/drivers/net/cxgb4vf/cxgb4vf_main.c
+++ b/drivers/net/cxgb4vf/cxgb4vf_main.c
@@ -2040,7 +2040,7 @@
 {
 	int i;
 
-	BUG_ON(adapter->debugfs_root == NULL);
+	BUG_ON(IS_ERR_OR_NULL(adapter->debugfs_root));
 
 	/*
 	 * Debugfs support is best effort.
@@ -2061,7 +2061,7 @@
  */
 static void cleanup_debugfs(struct adapter *adapter)
 {
-	BUG_ON(adapter->debugfs_root == NULL);
+	BUG_ON(IS_ERR_OR_NULL(adapter->debugfs_root));
 
 	/*
 	 * Unlike our sister routine cleanup_proc(), we don't need to remove
@@ -2489,17 +2489,6 @@
 	struct net_device *netdev;
 
 	/*
-	 * Vet our module parameters.
-	 */
-	if (msi != MSI_MSIX && msi != MSI_MSI) {
-		dev_err(&pdev->dev, "bad module parameter msi=%d; must be %d"
-			" (MSI-X or MSI) or %d (MSI)\n", msi, MSI_MSIX,
-			MSI_MSI);
-		err = -EINVAL;
-		goto err_out;
-	}
-
-	/*
 	 * Print our driver banner the first time we're called to initialize a
 	 * device.
 	 */
@@ -2711,11 +2700,11 @@
 	/*
 	 * Set up our debugfs entries.
 	 */
-	if (cxgb4vf_debugfs_root) {
+	if (!IS_ERR_OR_NULL(cxgb4vf_debugfs_root)) {
 		adapter->debugfs_root =
 			debugfs_create_dir(pci_name(pdev),
 					   cxgb4vf_debugfs_root);
-		if (adapter->debugfs_root == NULL)
+		if (IS_ERR_OR_NULL(adapter->debugfs_root))
 			dev_warn(&pdev->dev, "could not create debugfs"
 				 " directory");
 		else
@@ -2770,7 +2759,7 @@
 	 */
 
 err_free_debugfs:
-	if (adapter->debugfs_root) {
+	if (!IS_ERR_OR_NULL(adapter->debugfs_root)) {
 		cleanup_debugfs(adapter);
 		debugfs_remove_recursive(adapter->debugfs_root);
 	}
@@ -2802,7 +2791,6 @@
 err_disable_device:
 	pci_disable_device(pdev);
 
-err_out:
 	return err;
 }
 
@@ -2840,7 +2828,7 @@
 		/*
 		 * Tear down our debugfs entries.
 		 */
-		if (adapter->debugfs_root) {
+		if (!IS_ERR_OR_NULL(adapter->debugfs_root)) {
 			cleanup_debugfs(adapter);
 			debugfs_remove_recursive(adapter->debugfs_root);
 		}
@@ -2874,6 +2862,46 @@
 }
 
 /*
+ * "Shutdown" quiesce the device, stopping Ingress Packet and Interrupt
+ * delivery.
+ */
+static void __devexit cxgb4vf_pci_shutdown(struct pci_dev *pdev)
+{
+	struct adapter *adapter;
+	int pidx;
+
+	adapter = pci_get_drvdata(pdev);
+	if (!adapter)
+		return;
+
+	/*
+	 * Disable all Virtual Interfaces.  This will shut down the
+	 * delivery of all ingress packets into the chip for these
+	 * Virtual Interfaces.
+	 */
+	for_each_port(adapter, pidx) {
+		struct net_device *netdev;
+		struct port_info *pi;
+
+		if (!test_bit(pidx, &adapter->registered_device_map))
+			continue;
+
+		netdev = adapter->port[pidx];
+		if (!netdev)
+			continue;
+
+		pi = netdev_priv(netdev);
+		t4vf_enable_vi(adapter, pi->viid, false, false);
+	}
+
+	/*
+	 * Free up all Queues which will prevent further DMA and
+	 * Interrupts allowing various internal pathways to drain.
+	 */
+	t4vf_free_sge_resources(adapter);
+}
+
+/*
  * PCI Device registration data structures.
  */
 #define CH_DEVICE(devid, idx) \
@@ -2906,6 +2934,7 @@
 	.id_table	= cxgb4vf_pci_tbl,
 	.probe		= cxgb4vf_pci_probe,
 	.remove		= __devexit_p(cxgb4vf_pci_remove),
+	.shutdown	= __devexit_p(cxgb4vf_pci_shutdown),
 };
 
 /*
@@ -2915,14 +2944,25 @@
 {
 	int ret;
 
+	/*
+	 * Vet our module parameters.
+	 */
+	if (msi != MSI_MSIX && msi != MSI_MSI) {
+		printk(KERN_WARNING KBUILD_MODNAME
+		       ": bad module parameter msi=%d; must be %d"
+		       " (MSI-X or MSI) or %d (MSI)\n",
+		       msi, MSI_MSIX, MSI_MSI);
+		return -EINVAL;
+	}
+
 	/* Debugfs support is optional, just warn if this fails */
 	cxgb4vf_debugfs_root = debugfs_create_dir(KBUILD_MODNAME, NULL);
-	if (!cxgb4vf_debugfs_root)
+	if (IS_ERR_OR_NULL(cxgb4vf_debugfs_root))
 		printk(KERN_WARNING KBUILD_MODNAME ": could not create"
 		       " debugfs entry, continuing\n");
 
 	ret = pci_register_driver(&cxgb4vf_driver);
-	if (ret < 0)
+	if (ret < 0 && !IS_ERR_OR_NULL(cxgb4vf_debugfs_root))
 		debugfs_remove(cxgb4vf_debugfs_root);
 	return ret;
 }
diff --git a/drivers/net/cxgb4vf/t4vf_hw.c b/drivers/net/cxgb4vf/t4vf_hw.c
index 0f51c80..192db22 100644
--- a/drivers/net/cxgb4vf/t4vf_hw.c
+++ b/drivers/net/cxgb4vf/t4vf_hw.c
@@ -171,7 +171,7 @@
 	delay_idx = 0;
 	ms = delay[0];
 
-	for (i = 0; i < 500; i += ms) {
+	for (i = 0; i < FW_CMD_MAX_TIMEOUT; i += ms) {
 		if (sleep_ok) {
 			ms = delay[delay_idx];
 			if (delay_idx < ARRAY_SIZE(delay) - 1)
diff --git a/drivers/net/dm9000.c b/drivers/net/dm9000.c
index 2d4c4fc..461dd6f 100644
--- a/drivers/net/dm9000.c
+++ b/drivers/net/dm9000.c
@@ -802,10 +802,7 @@
 	/* Checksum mode */
 	dm9000_set_rx_csum_unlocked(dev, db->rx_csum);
 
-	/* GPIO0 on pre-activate PHY */
-	iow(db, DM9000_GPR, 0);	/* REG_1F bit0 activate phyxcer */
 	iow(db, DM9000_GPCR, GPCR_GEP_CNTL);	/* Let GPIO0 output */
-	iow(db, DM9000_GPR, 0);	/* Enable PHY */
 
 	ncr = (db->flags & DM9000_PLATF_EXT_PHY) ? NCR_EXT_PHY : 0;
 
@@ -852,8 +849,8 @@
 	unsigned long flags;
 
 	/* Save previous register address */
-	reg_save = readb(db->io_addr);
 	spin_lock_irqsave(&db->lock, flags);
+	reg_save = readb(db->io_addr);
 
 	netif_stop_queue(dev);
 	dm9000_reset(db);
@@ -1194,6 +1191,10 @@
 	if (request_irq(dev->irq, dm9000_interrupt, irqflags, dev->name, dev))
 		return -EAGAIN;
 
+	/* GPIO0 on pre-activate PHY, Reg 1F is not set by reset */
+	iow(db, DM9000_GPR, 0);	/* REG_1F bit0 activate phyxcer */
+	mdelay(1); /* delay needs by DM9000B */
+
 	/* Initialize DM9000 board */
 	dm9000_reset(db);
 	dm9000_init_dm9000(dev);
diff --git a/drivers/net/e1000/e1000_hw.c b/drivers/net/e1000/e1000_hw.c
index aed223b..7501d97 100644
--- a/drivers/net/e1000/e1000_hw.c
+++ b/drivers/net/e1000/e1000_hw.c
@@ -124,6 +124,7 @@
 	case M88E1000_I_PHY_ID:
 	case M88E1011_I_PHY_ID:
 	case M88E1111_I_PHY_ID:
+	case M88E1118_E_PHY_ID:
 		hw->phy_type = e1000_phy_m88;
 		break;
 	case IGP01E1000_I_PHY_ID:
@@ -3222,7 +3223,8 @@
 		break;
 	case e1000_ce4100:
 		if ((hw->phy_id == RTL8211B_PHY_ID) ||
-		    (hw->phy_id == RTL8201N_PHY_ID))
+		    (hw->phy_id == RTL8201N_PHY_ID) ||
+		    (hw->phy_id == M88E1118_E_PHY_ID))
 			match = true;
 		break;
 	case e1000_82541:
diff --git a/drivers/net/e1000/e1000_hw.h b/drivers/net/e1000/e1000_hw.h
index 196eeda..c70b23d 100644
--- a/drivers/net/e1000/e1000_hw.h
+++ b/drivers/net/e1000/e1000_hw.h
@@ -2917,6 +2917,7 @@
 #define M88E1000_14_PHY_ID M88E1000_E_PHY_ID
 #define M88E1011_I_REV_4   0x04
 #define M88E1111_I_PHY_ID  0x01410CC0
+#define M88E1118_E_PHY_ID  0x01410E40
 #define L1LXT971A_PHY_ID   0x001378E0
 
 #define RTL8211B_PHY_ID    0x001CC910
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 1c18f26..3fa110d 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -937,6 +937,9 @@
 	u16 phy_status, phy_1000t_status, phy_ext_status;
 	u16 pci_status;
 
+	if (test_bit(__E1000_DOWN, &adapter->state))
+		return;
+
 	e1e_rphy(hw, PHY_STATUS, &phy_status);
 	e1e_rphy(hw, PHY_1000T_STATUS, &phy_1000t_status);
 	e1e_rphy(hw, PHY_EXT_STATUS, &phy_ext_status);
@@ -1506,6 +1509,9 @@
 	struct e1000_adapter *adapter = container_of(work,
 					struct e1000_adapter, downshift_task);
 
+	if (test_bit(__E1000_DOWN, &adapter->state))
+		return;
+
 	e1000e_gig_downshift_workaround_ich8lan(&adapter->hw);
 }
 
@@ -3338,6 +3344,21 @@
 	return 0;
 }
 
+static void e1000e_flush_descriptors(struct e1000_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+
+	if (!(adapter->flags2 & FLAG2_DMA_BURST))
+		return;
+
+	/* flush pending descriptor writebacks to memory */
+	ew32(TIDV, adapter->tx_int_delay | E1000_TIDV_FPD);
+	ew32(RDTR, adapter->rx_int_delay | E1000_RDTR_FPD);
+
+	/* execute the writes immediately */
+	e1e_flush();
+}
+
 void e1000e_down(struct e1000_adapter *adapter)
 {
 	struct net_device *netdev = adapter->netdev;
@@ -3377,6 +3398,9 @@
 
 	if (!pci_channel_offline(adapter->pdev))
 		e1000e_reset(adapter);
+
+	e1000e_flush_descriptors(adapter);
+
 	e1000_clean_tx_ring(adapter);
 	e1000_clean_rx_ring(adapter);
 
@@ -3765,6 +3789,10 @@
 {
 	struct e1000_adapter *adapter = container_of(work,
 					struct e1000_adapter, update_phy_task);
+
+	if (test_bit(__E1000_DOWN, &adapter->state))
+		return;
+
 	e1000_get_phy_info(&adapter->hw);
 }
 
@@ -3775,6 +3803,10 @@
 static void e1000_update_phy_info(unsigned long data)
 {
 	struct e1000_adapter *adapter = (struct e1000_adapter *) data;
+
+	if (test_bit(__E1000_DOWN, &adapter->state))
+		return;
+
 	schedule_work(&adapter->update_phy_task);
 }
 
@@ -4149,6 +4181,9 @@
 	u32 link, tctl;
 	int tx_pending = 0;
 
+	if (test_bit(__E1000_DOWN, &adapter->state))
+		return;
+
 	link = e1000e_has_link(adapter);
 	if ((netif_carrier_ok(netdev)) && link) {
 		/* Cancel scheduled suspend requests. */
@@ -4309,7 +4344,6 @@
 			 * to get done, so reset controller to flush Tx.
 			 * (Do the reset outside of interrupt context).
 			 */
-			adapter->tx_timeout_count++;
 			schedule_work(&adapter->reset_task);
 			/* return immediately since reset is imminent */
 			return;
@@ -4338,19 +4372,12 @@
 	else
 		ew32(ICS, E1000_ICS_RXDMT0);
 
+	/* flush pending descriptors to memory before detecting Tx hang */
+	e1000e_flush_descriptors(adapter);
+
 	/* Force detection of hung controller every watchdog period */
 	adapter->detect_tx_hung = 1;
 
-	/* flush partial descriptors to memory before detecting Tx hang */
-	if (adapter->flags2 & FLAG2_DMA_BURST) {
-		ew32(TIDV, adapter->tx_int_delay | E1000_TIDV_FPD);
-		ew32(RDTR, adapter->rx_int_delay | E1000_RDTR_FPD);
-		/*
-		 * no need to flush the writes because the timeout code does
-		 * an er32 first thing
-		 */
-	}
-
 	/*
 	 * With 82571 controllers, LAA may be overwritten due to controller
 	 * reset from the other port. Set the appropriate LAA in RAR[0]
@@ -4888,6 +4915,10 @@
 	struct e1000_adapter *adapter;
 	adapter = container_of(work, struct e1000_adapter, reset_task);
 
+	/* don't run the task if already down */
+	if (test_bit(__E1000_DOWN, &adapter->state))
+		return;
+
 	if (!((adapter->flags & FLAG_RX_NEEDS_RESTART) &&
 	      (adapter->flags & FLAG_RX_RESTART_NOW))) {
 		e1000e_dump(adapter);
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index af09296..9c0b1ba 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -5645,6 +5645,8 @@
 		goto out_error;
 	}
 
+	netif_carrier_off(dev);
+
 	dev_info(&pci_dev->dev, "ifname %s, PHY OUI 0x%x @ %d, addr %pM\n",
 		 dev->name, np->phy_oui, np->phyaddr, dev->dev_addr);
 
diff --git a/drivers/net/ixgbe/ixgbe_common.c b/drivers/net/ixgbe/ixgbe_common.c
index d5ede2d..ebbda7d 100644
--- a/drivers/net/ixgbe/ixgbe_common.c
+++ b/drivers/net/ixgbe/ixgbe_common.c
@@ -1370,6 +1370,9 @@
 		hw_dbg(hw, " New MAC Addr =%pM\n", hw->mac.addr);
 
 		hw->mac.ops.set_rar(hw, 0, hw->mac.addr, 0, IXGBE_RAH_AV);
+
+		/*  clear VMDq pool/queue selection for RAR 0 */
+		hw->mac.ops.clear_vmdq(hw, 0, IXGBE_CLEAR_VMDQ_ALL);
 	}
 	hw->addr_ctrl.overflow_promisc = 0;
 
diff --git a/drivers/net/ixgbe/ixgbe_fcoe.c b/drivers/net/ixgbe/ixgbe_fcoe.c
index 6342d48..c54a882 100644
--- a/drivers/net/ixgbe/ixgbe_fcoe.c
+++ b/drivers/net/ixgbe/ixgbe_fcoe.c
@@ -159,13 +159,13 @@
 	struct scatterlist *sg;
 	unsigned int i, j, dmacount;
 	unsigned int len;
-	static const unsigned int bufflen = 4096;
+	static const unsigned int bufflen = IXGBE_FCBUFF_MIN;
 	unsigned int firstoff = 0;
 	unsigned int lastsize;
 	unsigned int thisoff = 0;
 	unsigned int thislen = 0;
 	u32 fcbuff, fcdmarw, fcfltrw;
-	dma_addr_t addr;
+	dma_addr_t addr = 0;
 
 	if (!netdev || !sgl)
 		return 0;
@@ -254,6 +254,24 @@
 	/* only the last buffer may have non-full bufflen */
 	lastsize = thisoff + thislen;
 
+	/*
+	 * lastsize can not be buffer len.
+	 * If it is then adding another buffer with lastsize = 1.
+	 */
+	if (lastsize == bufflen) {
+		if (j >= IXGBE_BUFFCNT_MAX) {
+			e_err(drv, "xid=%x:%d,%d,%d:addr=%llx "
+				"not enough user buffers. We need an extra "
+				"buffer because lastsize is bufflen.\n",
+				xid, i, j, dmacount, (u64)addr);
+			goto out_noddp_free;
+		}
+
+		ddp->udl[j] = (u64)(fcoe->extra_ddp_buffer_dma);
+		j++;
+		lastsize = 1;
+	}
+
 	fcbuff = (IXGBE_FCBUFF_4KB << IXGBE_FCBUFF_BUFFSIZE_SHIFT);
 	fcbuff |= ((j & 0xff) << IXGBE_FCBUFF_BUFFCNT_SHIFT);
 	fcbuff |= (firstoff << IXGBE_FCBUFF_OFFSET_SHIFT);
@@ -532,6 +550,24 @@
 			e_err(drv, "failed to allocated FCoE DDP pool\n");
 
 		spin_lock_init(&fcoe->lock);
+
+		/* Extra buffer to be shared by all DDPs for HW work around */
+		fcoe->extra_ddp_buffer = kmalloc(IXGBE_FCBUFF_MIN, GFP_ATOMIC);
+		if (fcoe->extra_ddp_buffer == NULL) {
+			e_err(drv, "failed to allocated extra DDP buffer\n");
+			goto out_extra_ddp_buffer_alloc;
+		}
+
+		fcoe->extra_ddp_buffer_dma =
+			dma_map_single(&adapter->pdev->dev,
+				       fcoe->extra_ddp_buffer,
+				       IXGBE_FCBUFF_MIN,
+				       DMA_FROM_DEVICE);
+		if (dma_mapping_error(&adapter->pdev->dev,
+				      fcoe->extra_ddp_buffer_dma)) {
+			e_err(drv, "failed to map extra DDP buffer\n");
+			goto out_extra_ddp_buffer_dma;
+		}
 	}
 
 	/* Enable L2 eth type filter for FCoE */
@@ -581,6 +617,14 @@
 		}
 	}
 #endif
+
+	return;
+
+out_extra_ddp_buffer_dma:
+	kfree(fcoe->extra_ddp_buffer);
+out_extra_ddp_buffer_alloc:
+	pci_pool_destroy(fcoe->pool);
+	fcoe->pool = NULL;
 }
 
 /**
@@ -600,6 +644,11 @@
 	if (fcoe->pool) {
 		for (i = 0; i < IXGBE_FCOE_DDP_MAX; i++)
 			ixgbe_fcoe_ddp_put(adapter->netdev, i);
+		dma_unmap_single(&adapter->pdev->dev,
+				 fcoe->extra_ddp_buffer_dma,
+				 IXGBE_FCBUFF_MIN,
+				 DMA_FROM_DEVICE);
+		kfree(fcoe->extra_ddp_buffer);
 		pci_pool_destroy(fcoe->pool);
 		fcoe->pool = NULL;
 	}
diff --git a/drivers/net/ixgbe/ixgbe_fcoe.h b/drivers/net/ixgbe/ixgbe_fcoe.h
index 4bc2c55..65cc8fb 100644
--- a/drivers/net/ixgbe/ixgbe_fcoe.h
+++ b/drivers/net/ixgbe/ixgbe_fcoe.h
@@ -70,6 +70,8 @@
 	spinlock_t lock;
 	struct pci_pool *pool;
 	struct ixgbe_fcoe_ddp ddp[IXGBE_FCOE_DDP_MAX];
+	unsigned char *extra_ddp_buffer;
+	dma_addr_t extra_ddp_buffer_dma;
 };
 
 #endif /* _IXGBE_FCOE_H */
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 602078b..30f9ccf 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -52,7 +52,7 @@
 static const char ixgbe_driver_string[] =
 			      "Intel(R) 10 Gigabit PCI Express Network Driver";
 
-#define DRV_VERSION "3.0.12-k2"
+#define DRV_VERSION "3.2.9-k2"
 const char ixgbe_driver_version[] = DRV_VERSION;
 static char ixgbe_copyright[] = "Copyright (c) 1999-2010 Intel Corporation.";
 
@@ -3176,9 +3176,16 @@
 	u32 mhadd, hlreg0;
 
 	/* Decide whether to use packet split mode or not */
+	/* On by default */
+	adapter->flags |= IXGBE_FLAG_RX_PS_ENABLED;
+
 	/* Do not use packet split if we're in SR-IOV Mode */
-	if (!adapter->num_vfs)
-		adapter->flags |= IXGBE_FLAG_RX_PS_ENABLED;
+	if (adapter->num_vfs)
+		adapter->flags &= ~IXGBE_FLAG_RX_PS_ENABLED;
+
+	/* Disable packet split due to 82599 erratum #45 */
+	if (hw->mac.type == ixgbe_mac_82599EB)
+		adapter->flags &= ~IXGBE_FLAG_RX_PS_ENABLED;
 
 	/* Set the RX buffer length according to the mode */
 	if (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED) {
@@ -3721,7 +3728,8 @@
 			 * We need to try and force an autonegotiation
 			 * session, then bring up link.
 			 */
-			hw->mac.ops.setup_sfp(hw);
+			if (hw->mac.ops.setup_sfp)
+				hw->mac.ops.setup_sfp(hw);
 			if (!(adapter->flags & IXGBE_FLAG_IN_SFP_LINK_TASK))
 				schedule_work(&adapter->multispeed_fiber_task);
 		} else {
@@ -4863,16 +4871,13 @@
 {
 	int q_idx, num_q_vectors;
 	struct ixgbe_q_vector *q_vector;
-	int napi_vectors;
 	int (*poll)(struct napi_struct *, int);
 
 	if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
 		num_q_vectors = adapter->num_msix_vectors - NON_Q_VECTORS;
-		napi_vectors = adapter->num_rx_queues;
 		poll = &ixgbe_clean_rxtx_many;
 	} else {
 		num_q_vectors = 1;
-		napi_vectors = 1;
 		poll = &ixgbe_poll;
 	}
 
@@ -5964,7 +5969,8 @@
 		unregister_netdev(adapter->netdev);
 		return;
 	}
-	hw->mac.ops.setup_sfp(hw);
+	if (hw->mac.ops.setup_sfp)
+		hw->mac.ops.setup_sfp(hw);
 
 	if (!(adapter->flags & IXGBE_FLAG_IN_SFP_LINK_TASK))
 		/* This will also work for DA Twinax connections */
diff --git a/drivers/net/ixgbe/ixgbe_sriov.c b/drivers/net/ixgbe/ixgbe_sriov.c
index 47b1573..187b3a1 100644
--- a/drivers/net/ixgbe/ixgbe_sriov.c
+++ b/drivers/net/ixgbe/ixgbe_sriov.c
@@ -110,12 +110,10 @@
 	return adapter->hw.mac.ops.set_vfta(&adapter->hw, vid, vf, (bool)add);
 }
 
-
 static void ixgbe_set_vmolr(struct ixgbe_hw *hw, u32 vf, bool aupe)
 {
 	u32 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(vf));
 	vmolr |= (IXGBE_VMOLR_ROMPE |
-		  IXGBE_VMOLR_ROPE |
 		  IXGBE_VMOLR_BAM);
 	if (aupe)
 		vmolr |= IXGBE_VMOLR_AUPE;
diff --git a/drivers/net/ixgbe/ixgbe_x540.c b/drivers/net/ixgbe/ixgbe_x540.c
index 3a89239..f2518b0 100644
--- a/drivers/net/ixgbe/ixgbe_x540.c
+++ b/drivers/net/ixgbe/ixgbe_x540.c
@@ -133,17 +133,17 @@
 	}
 
 	ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL);
-	IXGBE_WRITE_REG(hw, IXGBE_CTRL, (ctrl | IXGBE_CTRL_RST));
+	IXGBE_WRITE_REG(hw, IXGBE_CTRL, (ctrl | reset_bit));
 	IXGBE_WRITE_FLUSH(hw);
 
 	/* Poll for reset bit to self-clear indicating reset is complete */
 	for (i = 0; i < 10; i++) {
 		udelay(1);
 		ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL);
-		if (!(ctrl & IXGBE_CTRL_RST))
+		if (!(ctrl & reset_bit))
 			break;
 	}
-	if (ctrl & IXGBE_CTRL_RST) {
+	if (ctrl & reset_bit) {
 		status = IXGBE_ERR_RESET_FAILED;
 		hw_dbg(hw, "Reset polling failed to complete.\n");
 	}
diff --git a/drivers/net/pch_gbe/pch_gbe.h b/drivers/net/pch_gbe/pch_gbe.h
index a0c26a9..e1e33c8 100644
--- a/drivers/net/pch_gbe/pch_gbe.h
+++ b/drivers/net/pch_gbe/pch_gbe.h
@@ -73,7 +73,7 @@
 	struct pch_gbe_regs_mac_adr mac_adr[16];
 	u32 ADDR_MASK;
 	u32 MIIM;
-	u32 reserve2;
+	u32 MAC_ADDR_LOAD;
 	u32 RGMII_ST;
 	u32 RGMII_CTRL;
 	u32 reserve3[3];
diff --git a/drivers/net/pch_gbe/pch_gbe_main.c b/drivers/net/pch_gbe/pch_gbe_main.c
index 1bf1233..b99e90a 100644
--- a/drivers/net/pch_gbe/pch_gbe_main.c
+++ b/drivers/net/pch_gbe/pch_gbe_main.c
@@ -29,6 +29,7 @@
 #define PCH_GBE_SHORT_PKT		64
 #define DSC_INIT16			0xC000
 #define PCH_GBE_DMA_ALIGN		0
+#define PCH_GBE_DMA_PADDING		2
 #define PCH_GBE_WATCHDOG_PERIOD		(1 * HZ)	/* watchdog time */
 #define PCH_GBE_COPYBREAK_DEFAULT	256
 #define PCH_GBE_PCI_BAR			1
@@ -88,6 +89,12 @@
 static int pch_gbe_mdio_read(struct net_device *netdev, int addr, int reg);
 static void pch_gbe_mdio_write(struct net_device *netdev, int addr, int reg,
 			       int data);
+
+inline void pch_gbe_mac_load_mac_addr(struct pch_gbe_hw *hw)
+{
+	iowrite32(0x01, &hw->reg->MAC_ADDR_LOAD);
+}
+
 /**
  * pch_gbe_mac_read_mac_addr - Read MAC address
  * @hw:	            Pointer to the HW structure
@@ -519,7 +526,9 @@
 	struct pch_gbe_adapter *adapter;
 	adapter = container_of(work, struct pch_gbe_adapter, reset_task);
 
+	rtnl_lock();
 	pch_gbe_reinit_locked(adapter);
+	rtnl_unlock();
 }
 
 /**
@@ -528,14 +537,8 @@
  */
 void pch_gbe_reinit_locked(struct pch_gbe_adapter *adapter)
 {
-	struct net_device *netdev = adapter->netdev;
-
-	rtnl_lock();
-	if (netif_running(netdev)) {
-		pch_gbe_down(adapter);
-		pch_gbe_up(adapter);
-	}
-	rtnl_unlock();
+	pch_gbe_down(adapter);
+	pch_gbe_up(adapter);
 }
 
 /**
@@ -1369,16 +1372,13 @@
 	struct pch_gbe_buffer *buffer_info;
 	struct pch_gbe_rx_desc *rx_desc;
 	u32 length;
-	unsigned char tmp_packet[ETH_HLEN];
 	unsigned int i;
 	unsigned int cleaned_count = 0;
 	bool cleaned = false;
-	struct sk_buff *skb;
+	struct sk_buff *skb, *new_skb;
 	u8 dma_status;
 	u16 gbec_status;
 	u32 tcp_ip_status;
-	u8 skb_copy_flag = 0;
-	u8 skb_padding_flag = 0;
 
 	i = rx_ring->next_to_clean;
 
@@ -1422,55 +1422,70 @@
 			pr_err("Receive CRC Error\n");
 		} else {
 			/* get receive length */
-			/* length convert[-3], padding[-2] */
-			length = (rx_desc->rx_words_eob) - 3 - 2;
+			/* length convert[-3] */
+			length = (rx_desc->rx_words_eob) - 3;
 
 			/* Decide the data conversion method */
 			if (!adapter->rx_csum) {
 				/* [Header:14][payload] */
-				skb_padding_flag = 0;
-				skb_copy_flag = 1;
-			} else {
-				/* [Header:14][padding:2][payload] */
-				skb_padding_flag = 1;
-				if (length < copybreak)
-					skb_copy_flag = 1;
-				else
-					skb_copy_flag = 0;
-			}
-
-			/* Data conversion */
-			if (skb_copy_flag) {	/* recycle  skb */
-				struct sk_buff *new_skb;
-				new_skb =
-				    netdev_alloc_skb(netdev,
-						     length + NET_IP_ALIGN);
-				if (new_skb) {
-					if (!skb_padding_flag) {
-						skb_reserve(new_skb,
-								NET_IP_ALIGN);
+				if (NET_IP_ALIGN) {
+					/* Because alignment differs,
+					 * the new_skb is newly allocated,
+					 * and data is copied to new_skb.*/
+					new_skb = netdev_alloc_skb(netdev,
+							 length + NET_IP_ALIGN);
+					if (!new_skb) {
+						/* dorrop error */
+						pr_err("New skb allocation "
+							"Error\n");
+						goto dorrop;
 					}
+					skb_reserve(new_skb, NET_IP_ALIGN);
 					memcpy(new_skb->data, skb->data,
-						length);
-					/* save the skb
-					 * in buffer_info as good */
+					       length);
 					skb = new_skb;
-				} else if (!skb_padding_flag) {
-					/* dorrop error */
-					pr_err("New skb allocation Error\n");
-					goto dorrop;
+				} else {
+					/* DMA buffer is used as SKB as it is.*/
+					buffer_info->skb = NULL;
 				}
 			} else {
-				buffer_info->skb = NULL;
+				/* [Header:14][padding:2][payload] */
+				/* The length includes padding length */
+				length = length - PCH_GBE_DMA_PADDING;
+				if ((length < copybreak) ||
+				    (NET_IP_ALIGN != PCH_GBE_DMA_PADDING)) {
+					/* Because alignment differs,
+					 * the new_skb is newly allocated,
+					 * and data is copied to new_skb.
+					 * Padding data is deleted
+					 * at the time of a copy.*/
+					new_skb = netdev_alloc_skb(netdev,
+							 length + NET_IP_ALIGN);
+					if (!new_skb) {
+						/* dorrop error */
+						pr_err("New skb allocation "
+							"Error\n");
+						goto dorrop;
+					}
+					skb_reserve(new_skb, NET_IP_ALIGN);
+					memcpy(new_skb->data, skb->data,
+					       ETH_HLEN);
+					memcpy(&new_skb->data[ETH_HLEN],
+					       &skb->data[ETH_HLEN +
+					       PCH_GBE_DMA_PADDING],
+					       length - ETH_HLEN);
+					skb = new_skb;
+				} else {
+					/* Padding data is deleted
+					 * by moving header data.*/
+					memmove(&skb->data[PCH_GBE_DMA_PADDING],
+						&skb->data[0], ETH_HLEN);
+					skb_reserve(skb, NET_IP_ALIGN);
+					buffer_info->skb = NULL;
+				}
 			}
-			if (skb_padding_flag) {
-				memcpy(&tmp_packet[0], &skb->data[0], ETH_HLEN);
-				memcpy(&skb->data[NET_IP_ALIGN], &tmp_packet[0],
-					ETH_HLEN);
-				skb_reserve(skb, NET_IP_ALIGN);
-
-			}
-
+			/* The length includes FCS length */
+			length = length - ETH_FCS_LEN;
 			/* update status of driver */
 			adapter->stats.rx_bytes += length;
 			adapter->stats.rx_packets++;
@@ -2322,6 +2337,7 @@
 	netdev->features = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_GRO;
 	pch_gbe_set_ethtool_ops(netdev);
 
+	pch_gbe_mac_load_mac_addr(&adapter->hw);
 	pch_gbe_mac_reset_hw(&adapter->hw);
 
 	/* setup the private structure */
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 59ccf0c..ef2133b 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -617,8 +617,9 @@
 	}
 }
 
-static void rtl8168_oob_notify(void __iomem *ioaddr, u8 cmd)
+static void rtl8168_oob_notify(struct rtl8169_private *tp, u8 cmd)
 {
+	void __iomem *ioaddr = tp->mmio_addr;
 	int i;
 
 	RTL_W8(ERIDR, cmd);
@@ -630,7 +631,7 @@
 			break;
 	}
 
-	ocp_write(ioaddr, 0x1, 0x30, 0x00000001);
+	ocp_write(tp, 0x1, 0x30, 0x00000001);
 }
 
 #define OOB_CMD_RESET		0x00
@@ -2868,8 +2869,11 @@
 {
 	void __iomem *ioaddr = tp->mmio_addr;
 
-	if (tp->mac_version == RTL_GIGA_MAC_VER_27)
+	if (((tp->mac_version == RTL_GIGA_MAC_VER_27) ||
+	     (tp->mac_version == RTL_GIGA_MAC_VER_28)) &&
+	    (ocp_read(tp, 0x0f, 0x0010) & 0x00008000)) {
 		return;
+	}
 
 	if (((tp->mac_version == RTL_GIGA_MAC_VER_23) ||
 	     (tp->mac_version == RTL_GIGA_MAC_VER_24)) &&
@@ -2891,6 +2895,8 @@
 	switch (tp->mac_version) {
 	case RTL_GIGA_MAC_VER_25:
 	case RTL_GIGA_MAC_VER_26:
+	case RTL_GIGA_MAC_VER_27:
+	case RTL_GIGA_MAC_VER_28:
 		RTL_W8(PMCH, RTL_R8(PMCH) & ~0x80);
 		break;
 	}
@@ -2900,12 +2906,17 @@
 {
 	void __iomem *ioaddr = tp->mmio_addr;
 
-	if (tp->mac_version == RTL_GIGA_MAC_VER_27)
+	if (((tp->mac_version == RTL_GIGA_MAC_VER_27) ||
+	     (tp->mac_version == RTL_GIGA_MAC_VER_28)) &&
+	    (ocp_read(tp, 0x0f, 0x0010) & 0x00008000)) {
 		return;
+	}
 
 	switch (tp->mac_version) {
 	case RTL_GIGA_MAC_VER_25:
 	case RTL_GIGA_MAC_VER_26:
+	case RTL_GIGA_MAC_VER_27:
+	case RTL_GIGA_MAC_VER_28:
 		RTL_W8(PMCH, RTL_R8(PMCH) | 0x80);
 		break;
 	}
@@ -3042,7 +3053,7 @@
 		goto err_out_mwi_2;
 	}
 
-	tp->cp_cmd = PCIMulRW | RxChkSum;
+	tp->cp_cmd = RxChkSum;
 
 	if ((sizeof(dma_addr_t) > 4) &&
 	    !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && use_dac) {
@@ -3190,6 +3201,8 @@
 	if (pci_dev_run_wake(pdev))
 		pm_runtime_put_noidle(&pdev->dev);
 
+	netif_carrier_off(dev);
+
 out:
 	return rc;
 
@@ -3316,7 +3329,8 @@
 	/* Disable interrupts */
 	rtl8169_irq_mask_and_ack(ioaddr);
 
-	if (tp->mac_version == RTL_GIGA_MAC_VER_28) {
+	if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
+	    tp->mac_version == RTL_GIGA_MAC_VER_28) {
 		while (RTL_R8(TxPoll) & NPQ)
 			udelay(20);
 
@@ -3845,8 +3859,7 @@
 	Cxpl_dbg_sel | \
 	ASF | \
 	PktCntrDisable | \
-	PCIDAC | \
-	PCIMulRW)
+	Mac_dbgo_sel)
 
 static void rtl_hw_start_8102e_1(void __iomem *ioaddr, struct pci_dev *pdev)
 {
@@ -3876,8 +3889,6 @@
 	if ((cfg1 & LEDS0) && (cfg1 & LEDS1))
 		RTL_W8(Config1, cfg1 & ~LEDS0);
 
-	RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R810X_CPCMD_QUIRK_MASK);
-
 	rtl_ephy_init(ioaddr, e_info_8102e_1, ARRAY_SIZE(e_info_8102e_1));
 }
 
@@ -3889,8 +3900,6 @@
 
 	RTL_W8(Config1, MEMMAP | IOMAP | VPD | PMEnable);
 	RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
-
-	RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R810X_CPCMD_QUIRK_MASK);
 }
 
 static void rtl_hw_start_8102e_3(void __iomem *ioaddr, struct pci_dev *pdev)
@@ -3916,6 +3925,8 @@
 		}
 	}
 
+	RTL_W8(Cfg9346, Cfg9346_Unlock);
+
 	switch (tp->mac_version) {
 	case RTL_GIGA_MAC_VER_07:
 		rtl_hw_start_8102e_1(ioaddr, pdev);
@@ -3930,14 +3941,13 @@
 		break;
 	}
 
-	RTL_W8(Cfg9346, Cfg9346_Unlock);
+	RTL_W8(Cfg9346, Cfg9346_Lock);
 
 	RTL_W8(MaxTxPacketSize, TxPacketMax);
 
 	rtl_set_rx_max_size(ioaddr, rx_buf_sz);
 
-	tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW;
-
+	tp->cp_cmd &= ~R810X_CPCMD_QUIRK_MASK;
 	RTL_W16(CPlusCmd, tp->cp_cmd);
 
 	RTL_W16(IntrMitigate, 0x0000);
@@ -3947,14 +3957,10 @@
 	RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
 	rtl_set_rx_tx_config_registers(tp);
 
-	RTL_W8(Cfg9346, Cfg9346_Lock);
-
 	RTL_R8(IntrMask);
 
 	rtl_set_rx_mode(dev);
 
-	RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
-
 	RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xf000);
 
 	RTL_W16(IntrMask, tp->intr_event);
diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index 0e8bb19..ca886d9 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -569,9 +569,14 @@
 				  struct ethtool_test *test, u64 *data)
 {
 	struct efx_nic *efx = netdev_priv(net_dev);
-	struct efx_self_tests efx_tests;
+	struct efx_self_tests *efx_tests;
 	int already_up;
-	int rc;
+	int rc = -ENOMEM;
+
+	efx_tests = kzalloc(sizeof(*efx_tests), GFP_KERNEL);
+	if (!efx_tests)
+		goto fail;
+
 
 	ASSERT_RTNL();
 	if (efx->state != STATE_RUNNING) {
@@ -589,13 +594,11 @@
 		if (rc) {
 			netif_err(efx, drv, efx->net_dev,
 				  "failed opening device.\n");
-			goto fail2;
+			goto fail1;
 		}
 	}
 
-	memset(&efx_tests, 0, sizeof(efx_tests));
-
-	rc = efx_selftest(efx, &efx_tests, test->flags);
+	rc = efx_selftest(efx, efx_tests, test->flags);
 
 	if (!already_up)
 		dev_close(efx->net_dev);
@@ -604,10 +607,11 @@
 		   rc == 0 ? "passed" : "failed",
 		   (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on");
 
- fail2:
- fail1:
+fail1:
 	/* Fill ethtool results structures */
-	efx_ethtool_fill_self_tests(efx, &efx_tests, NULL, data);
+	efx_ethtool_fill_self_tests(efx, efx_tests, NULL, data);
+	kfree(efx_tests);
+fail:
 	if (rc)
 		test->flags |= ETH_TEST_FL_FAILED;
 }
diff --git a/drivers/net/sis900.c b/drivers/net/sis900.c
index 5976d1d..640e368 100644
--- a/drivers/net/sis900.c
+++ b/drivers/net/sis900.c
@@ -1777,6 +1777,7 @@
 					      "cur_rx:%4.4d, dirty_rx:%4.4d\n",
 					      net_dev->name, sis_priv->cur_rx,
 					      sis_priv->dirty_rx);
+				dev_kfree_skb(skb);
 				break;
 			}
 
diff --git a/drivers/net/stmmac/stmmac_main.c b/drivers/net/stmmac/stmmac_main.c
index 34a0af3..0e5f031 100644
--- a/drivers/net/stmmac/stmmac_main.c
+++ b/drivers/net/stmmac/stmmac_main.c
@@ -1560,8 +1560,10 @@
 
 	priv->hw = device;
 
-	if (device_can_wakeup(priv->device))
+	if (device_can_wakeup(priv->device)) {
 		priv->wolopts = WAKE_MAGIC; /* Magic Frame as default */
+		enable_irq_wake(dev->irq);
+	}
 
 	return 0;
 }
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 93b32d3..06c0e503 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -11158,7 +11158,9 @@
 		if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES)
 			break;			/* We have no PHY */
 
-		if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)
+		if ((tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER) ||
+		    ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
+		     !netif_running(dev)))
 			return -EAGAIN;
 
 		spin_lock_bh(&tp->lock);
@@ -11174,7 +11176,9 @@
 		if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES)
 			break;			/* We have no PHY */
 
-		if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)
+		if ((tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER) ||
+		    ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
+		     !netif_running(dev)))
 			return -EAGAIN;
 
 		spin_lock_bh(&tp->lock);
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
index 04e8ce1..7113168 100644
--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c
@@ -1,7 +1,7 @@
 /*
  * cdc_ncm.c
  *
- * Copyright (C) ST-Ericsson 2010
+ * Copyright (C) ST-Ericsson 2010-2011
  * Contact: Alexey Orishko <alexey.orishko@stericsson.com>
  * Original author: Hans Petter Selasky <hans.petter.selasky@stericsson.com>
  *
@@ -54,7 +54,7 @@
 #include <linux/usb/usbnet.h>
 #include <linux/usb/cdc.h>
 
-#define	DRIVER_VERSION				"17-Jan-2011"
+#define	DRIVER_VERSION				"7-Feb-2011"
 
 /* CDC NCM subclass 3.2.1 */
 #define USB_CDC_NCM_NDP16_LENGTH_MIN		0x10
@@ -77,6 +77,9 @@
  */
 #define	CDC_NCM_DPT_DATAGRAMS_MAX		32
 
+/* Maximum amount of IN datagrams in NTB */
+#define	CDC_NCM_DPT_DATAGRAMS_IN_MAX		0 /* unlimited */
+
 /* Restart the timer, if amount of datagrams is less than given value */
 #define	CDC_NCM_RESTART_TIMER_DATAGRAM_CNT	3
 
@@ -85,11 +88,6 @@
 	(sizeof(struct usb_cdc_ncm_nth16) + sizeof(struct usb_cdc_ncm_ndp16) + \
 	(CDC_NCM_DPT_DATAGRAMS_MAX + 1) * sizeof(struct usb_cdc_ncm_dpe16))
 
-struct connection_speed_change {
-	__le32	USBitRate; /* holds 3GPP downlink value, bits per second */
-	__le32	DSBitRate; /* holds 3GPP uplink value, bits per second */
-} __attribute__ ((packed));
-
 struct cdc_ncm_data {
 	struct usb_cdc_ncm_nth16 nth16;
 	struct usb_cdc_ncm_ndp16 ndp16;
@@ -198,10 +196,10 @@
 {
 	struct usb_cdc_notification req;
 	u32 val;
-	__le16 max_datagram_size;
 	u8 flags;
 	u8 iface_no;
 	int err;
+	u16 ntb_fmt_supported;
 
 	iface_no = ctx->control->cur_altsetting->desc.bInterfaceNumber;
 
@@ -223,6 +221,9 @@
 	ctx->tx_remainder = le16_to_cpu(ctx->ncm_parm.wNdpOutPayloadRemainder);
 	ctx->tx_modulus = le16_to_cpu(ctx->ncm_parm.wNdpOutDivisor);
 	ctx->tx_ndp_modulus = le16_to_cpu(ctx->ncm_parm.wNdpOutAlignment);
+	/* devices prior to NCM Errata shall set this field to zero */
+	ctx->tx_max_datagrams = le16_to_cpu(ctx->ncm_parm.wNtbOutMaxDatagrams);
+	ntb_fmt_supported = le16_to_cpu(ctx->ncm_parm.bmNtbFormatsSupported);
 
 	if (ctx->func_desc != NULL)
 		flags = ctx->func_desc->bmNetworkCapabilities;
@@ -231,22 +232,58 @@
 
 	pr_debug("dwNtbInMaxSize=%u dwNtbOutMaxSize=%u "
 		 "wNdpOutPayloadRemainder=%u wNdpOutDivisor=%u "
-		 "wNdpOutAlignment=%u flags=0x%x\n",
+		 "wNdpOutAlignment=%u wNtbOutMaxDatagrams=%u flags=0x%x\n",
 		 ctx->rx_max, ctx->tx_max, ctx->tx_remainder, ctx->tx_modulus,
-		 ctx->tx_ndp_modulus, flags);
+		 ctx->tx_ndp_modulus, ctx->tx_max_datagrams, flags);
 
-	/* max count of tx datagrams without terminating NULL entry */
-	ctx->tx_max_datagrams = CDC_NCM_DPT_DATAGRAMS_MAX;
+	/* max count of tx datagrams */
+	if ((ctx->tx_max_datagrams == 0) ||
+			(ctx->tx_max_datagrams > CDC_NCM_DPT_DATAGRAMS_MAX))
+		ctx->tx_max_datagrams = CDC_NCM_DPT_DATAGRAMS_MAX;
 
 	/* verify maximum size of received NTB in bytes */
-	if ((ctx->rx_max <
-	    (CDC_NCM_MIN_HDR_SIZE + CDC_NCM_MIN_DATAGRAM_SIZE)) ||
-	    (ctx->rx_max > CDC_NCM_NTB_MAX_SIZE_RX)) {
+	if (ctx->rx_max < USB_CDC_NCM_NTB_MIN_IN_SIZE) {
+		pr_debug("Using min receive length=%d\n",
+						USB_CDC_NCM_NTB_MIN_IN_SIZE);
+		ctx->rx_max = USB_CDC_NCM_NTB_MIN_IN_SIZE;
+	}
+
+	if (ctx->rx_max > CDC_NCM_NTB_MAX_SIZE_RX) {
 		pr_debug("Using default maximum receive length=%d\n",
 						CDC_NCM_NTB_MAX_SIZE_RX);
 		ctx->rx_max = CDC_NCM_NTB_MAX_SIZE_RX;
 	}
 
+	/* inform device about NTB input size changes */
+	if (ctx->rx_max != le32_to_cpu(ctx->ncm_parm.dwNtbInMaxSize)) {
+		req.bmRequestType = USB_TYPE_CLASS | USB_DIR_OUT |
+							USB_RECIP_INTERFACE;
+		req.bNotificationType = USB_CDC_SET_NTB_INPUT_SIZE;
+		req.wValue = 0;
+		req.wIndex = cpu_to_le16(iface_no);
+
+		if (flags & USB_CDC_NCM_NCAP_NTB_INPUT_SIZE) {
+			struct usb_cdc_ncm_ndp_input_size ndp_in_sz;
+
+			req.wLength = 8;
+			ndp_in_sz.dwNtbInMaxSize = cpu_to_le32(ctx->rx_max);
+			ndp_in_sz.wNtbInMaxDatagrams =
+					cpu_to_le16(CDC_NCM_DPT_DATAGRAMS_MAX);
+			ndp_in_sz.wReserved = 0;
+			err = cdc_ncm_do_request(ctx, &req, &ndp_in_sz, 0, NULL,
+									1000);
+		} else {
+			__le32 dwNtbInMaxSize = cpu_to_le32(ctx->rx_max);
+
+			req.wLength = 4;
+			err = cdc_ncm_do_request(ctx, &req, &dwNtbInMaxSize, 0,
+								NULL, 1000);
+		}
+
+		if (err)
+			pr_debug("Setting NTB Input Size failed\n");
+	}
+
 	/* verify maximum size of transmitted NTB in bytes */
 	if ((ctx->tx_max <
 	    (CDC_NCM_MIN_HDR_SIZE + CDC_NCM_MIN_DATAGRAM_SIZE)) ||
@@ -297,47 +334,84 @@
 	/* additional configuration */
 
 	/* set CRC Mode */
-	req.bmRequestType = USB_TYPE_CLASS | USB_DIR_OUT | USB_RECIP_INTERFACE;
-	req.bNotificationType = USB_CDC_SET_CRC_MODE;
-	req.wValue = cpu_to_le16(USB_CDC_NCM_CRC_NOT_APPENDED);
-	req.wIndex = cpu_to_le16(iface_no);
-	req.wLength = 0;
+	if (flags & USB_CDC_NCM_NCAP_CRC_MODE) {
+		req.bmRequestType = USB_TYPE_CLASS | USB_DIR_OUT |
+							USB_RECIP_INTERFACE;
+		req.bNotificationType = USB_CDC_SET_CRC_MODE;
+		req.wValue = cpu_to_le16(USB_CDC_NCM_CRC_NOT_APPENDED);
+		req.wIndex = cpu_to_le16(iface_no);
+		req.wLength = 0;
 
-	err = cdc_ncm_do_request(ctx, &req, NULL, 0, NULL, 1000);
-	if (err)
-		pr_debug("Setting CRC mode off failed\n");
+		err = cdc_ncm_do_request(ctx, &req, NULL, 0, NULL, 1000);
+		if (err)
+			pr_debug("Setting CRC mode off failed\n");
+	}
 
-	/* set NTB format */
-	req.bmRequestType = USB_TYPE_CLASS | USB_DIR_OUT | USB_RECIP_INTERFACE;
-	req.bNotificationType = USB_CDC_SET_NTB_FORMAT;
-	req.wValue = cpu_to_le16(USB_CDC_NCM_NTB16_FORMAT);
-	req.wIndex = cpu_to_le16(iface_no);
-	req.wLength = 0;
+	/* set NTB format, if both formats are supported */
+	if (ntb_fmt_supported & USB_CDC_NCM_NTH32_SIGN) {
+		req.bmRequestType = USB_TYPE_CLASS | USB_DIR_OUT |
+							USB_RECIP_INTERFACE;
+		req.bNotificationType = USB_CDC_SET_NTB_FORMAT;
+		req.wValue = cpu_to_le16(USB_CDC_NCM_NTB16_FORMAT);
+		req.wIndex = cpu_to_le16(iface_no);
+		req.wLength = 0;
 
-	err = cdc_ncm_do_request(ctx, &req, NULL, 0, NULL, 1000);
-	if (err)
-		pr_debug("Setting NTB format to 16-bit failed\n");
+		err = cdc_ncm_do_request(ctx, &req, NULL, 0, NULL, 1000);
+		if (err)
+			pr_debug("Setting NTB format to 16-bit failed\n");
+	}
+
+	ctx->max_datagram_size = CDC_NCM_MIN_DATAGRAM_SIZE;
 
 	/* set Max Datagram Size (MTU) */
-	req.bmRequestType = USB_TYPE_CLASS | USB_DIR_IN | USB_RECIP_INTERFACE;
-	req.bNotificationType = USB_CDC_GET_MAX_DATAGRAM_SIZE;
-	req.wValue = 0;
-	req.wIndex = cpu_to_le16(iface_no);
-	req.wLength = cpu_to_le16(2);
+	if (flags & USB_CDC_NCM_NCAP_MAX_DATAGRAM_SIZE) {
+		__le16 max_datagram_size;
+		u16 eth_max_sz = le16_to_cpu(ctx->ether_desc->wMaxSegmentSize);
 
-	err = cdc_ncm_do_request(ctx, &req, &max_datagram_size, 0, NULL, 1000);
-	if (err) {
-		pr_debug(" GET_MAX_DATAGRAM_SIZE failed, using size=%u\n",
-			 CDC_NCM_MIN_DATAGRAM_SIZE);
-		/* use default */
-		ctx->max_datagram_size = CDC_NCM_MIN_DATAGRAM_SIZE;
-	} else {
-		ctx->max_datagram_size = le16_to_cpu(max_datagram_size);
+		req.bmRequestType = USB_TYPE_CLASS | USB_DIR_IN |
+							USB_RECIP_INTERFACE;
+		req.bNotificationType = USB_CDC_GET_MAX_DATAGRAM_SIZE;
+		req.wValue = 0;
+		req.wIndex = cpu_to_le16(iface_no);
+		req.wLength = cpu_to_le16(2);
 
-		if (ctx->max_datagram_size < CDC_NCM_MIN_DATAGRAM_SIZE)
-			ctx->max_datagram_size = CDC_NCM_MIN_DATAGRAM_SIZE;
-		else if (ctx->max_datagram_size > CDC_NCM_MAX_DATAGRAM_SIZE)
-			ctx->max_datagram_size = CDC_NCM_MAX_DATAGRAM_SIZE;
+		err = cdc_ncm_do_request(ctx, &req, &max_datagram_size, 0, NULL,
+									1000);
+		if (err) {
+			pr_debug("GET_MAX_DATAGRAM_SIZE failed, use size=%u\n",
+						CDC_NCM_MIN_DATAGRAM_SIZE);
+		} else {
+			ctx->max_datagram_size = le16_to_cpu(max_datagram_size);
+			/* Check Eth descriptor value */
+			if (eth_max_sz < CDC_NCM_MAX_DATAGRAM_SIZE) {
+				if (ctx->max_datagram_size > eth_max_sz)
+					ctx->max_datagram_size = eth_max_sz;
+			} else {
+				if (ctx->max_datagram_size >
+						CDC_NCM_MAX_DATAGRAM_SIZE)
+					ctx->max_datagram_size =
+						CDC_NCM_MAX_DATAGRAM_SIZE;
+			}
+
+			if (ctx->max_datagram_size < CDC_NCM_MIN_DATAGRAM_SIZE)
+				ctx->max_datagram_size =
+					CDC_NCM_MIN_DATAGRAM_SIZE;
+
+			/* if value changed, update device */
+			req.bmRequestType = USB_TYPE_CLASS | USB_DIR_OUT |
+							USB_RECIP_INTERFACE;
+			req.bNotificationType = USB_CDC_SET_MAX_DATAGRAM_SIZE;
+			req.wValue = 0;
+			req.wIndex = cpu_to_le16(iface_no);
+			req.wLength = 2;
+			max_datagram_size = cpu_to_le16(ctx->max_datagram_size);
+
+			err = cdc_ncm_do_request(ctx, &req, &max_datagram_size,
+								0, NULL, 1000);
+			if (err)
+				pr_debug("SET_MAX_DATAGRAM_SIZE failed\n");
+		}
+
 	}
 
 	if (ctx->netdev->mtu != (ctx->max_datagram_size - ETH_HLEN))
@@ -466,19 +540,13 @@
 
 			ctx->ether_desc =
 					(const struct usb_cdc_ether_desc *)buf;
-
 			dev->hard_mtu =
 				le16_to_cpu(ctx->ether_desc->wMaxSegmentSize);
 
-			if (dev->hard_mtu <
-			    (CDC_NCM_MIN_DATAGRAM_SIZE - ETH_HLEN))
-				dev->hard_mtu =
-					CDC_NCM_MIN_DATAGRAM_SIZE - ETH_HLEN;
-
-			else if (dev->hard_mtu >
-				 (CDC_NCM_MAX_DATAGRAM_SIZE - ETH_HLEN))
-				dev->hard_mtu =
-					CDC_NCM_MAX_DATAGRAM_SIZE - ETH_HLEN;
+			if (dev->hard_mtu < CDC_NCM_MIN_DATAGRAM_SIZE)
+				dev->hard_mtu =	CDC_NCM_MIN_DATAGRAM_SIZE;
+			else if (dev->hard_mtu > CDC_NCM_MAX_DATAGRAM_SIZE)
+				dev->hard_mtu =	CDC_NCM_MAX_DATAGRAM_SIZE;
 			break;
 
 		case USB_CDC_NCM_TYPE:
@@ -628,13 +696,13 @@
 	u32 offset;
 	u32 last_offset;
 	u16 n = 0;
-	u8 timeout = 0;
+	u8 ready2send = 0;
 
 	/* if there is a remaining skb, it gets priority */
 	if (skb != NULL)
 		swap(skb, ctx->tx_rem_skb);
 	else
-		timeout = 1;
+		ready2send = 1;
 
 	/*
 	 * +----------------+
@@ -682,9 +750,10 @@
 
 	for (; n < ctx->tx_max_datagrams; n++) {
 		/* check if end of transmit buffer is reached */
-		if (offset >= ctx->tx_max)
+		if (offset >= ctx->tx_max) {
+			ready2send = 1;
 			break;
-
+		}
 		/* compute maximum buffer size */
 		rem = ctx->tx_max - offset;
 
@@ -711,9 +780,7 @@
 				}
 				ctx->tx_rem_skb = skb;
 				skb = NULL;
-
-				/* loop one more time */
-				timeout = 1;
+				ready2send = 1;
 			}
 			break;
 		}
@@ -756,7 +823,7 @@
 		ctx->tx_curr_last_offset = last_offset;
 		goto exit_no_skb;
 
-	} else if ((n < ctx->tx_max_datagrams) && (timeout == 0)) {
+	} else if ((n < ctx->tx_max_datagrams) && (ready2send == 0)) {
 		/* wait for more frames */
 		/* push variables */
 		ctx->tx_curr_skb = skb_out;
@@ -813,7 +880,7 @@
 					cpu_to_le16(sizeof(ctx->tx_ncm.nth16));
 	ctx->tx_ncm.nth16.wSequence = cpu_to_le16(ctx->tx_seq);
 	ctx->tx_ncm.nth16.wBlockLength = cpu_to_le16(last_offset);
-	ctx->tx_ncm.nth16.wFpIndex = ALIGN(sizeof(struct usb_cdc_ncm_nth16),
+	ctx->tx_ncm.nth16.wNdpIndex = ALIGN(sizeof(struct usb_cdc_ncm_nth16),
 							ctx->tx_ndp_modulus);
 
 	memcpy(skb_out->data, &(ctx->tx_ncm.nth16), sizeof(ctx->tx_ncm.nth16));
@@ -825,13 +892,13 @@
 	rem = sizeof(ctx->tx_ncm.ndp16) + ((ctx->tx_curr_frame_num + 1) *
 					sizeof(struct usb_cdc_ncm_dpe16));
 	ctx->tx_ncm.ndp16.wLength = cpu_to_le16(rem);
-	ctx->tx_ncm.ndp16.wNextFpIndex = 0; /* reserved */
+	ctx->tx_ncm.ndp16.wNextNdpIndex = 0; /* reserved */
 
-	memcpy(((u8 *)skb_out->data) + ctx->tx_ncm.nth16.wFpIndex,
+	memcpy(((u8 *)skb_out->data) + ctx->tx_ncm.nth16.wNdpIndex,
 						&(ctx->tx_ncm.ndp16),
 						sizeof(ctx->tx_ncm.ndp16));
 
-	memcpy(((u8 *)skb_out->data) + ctx->tx_ncm.nth16.wFpIndex +
+	memcpy(((u8 *)skb_out->data) + ctx->tx_ncm.nth16.wNdpIndex +
 					sizeof(ctx->tx_ncm.ndp16),
 					&(ctx->tx_ncm.dpe16),
 					(ctx->tx_curr_frame_num + 1) *
@@ -961,7 +1028,7 @@
 		goto error;
 	}
 
-	temp = le16_to_cpu(ctx->rx_ncm.nth16.wFpIndex);
+	temp = le16_to_cpu(ctx->rx_ncm.nth16.wNdpIndex);
 	if ((temp + sizeof(ctx->rx_ncm.ndp16)) > actlen) {
 		pr_debug("invalid DPT16 index\n");
 		goto error;
@@ -1048,10 +1115,10 @@
 
 static void
 cdc_ncm_speed_change(struct cdc_ncm_ctx *ctx,
-		     struct connection_speed_change *data)
+		     struct usb_cdc_speed_change *data)
 {
-	uint32_t rx_speed = le32_to_cpu(data->USBitRate);
-	uint32_t tx_speed = le32_to_cpu(data->DSBitRate);
+	uint32_t rx_speed = le32_to_cpu(data->DLBitRRate);
+	uint32_t tx_speed = le32_to_cpu(data->ULBitRate);
 
 	/*
 	 * Currently the USB-NET API does not support reporting the actual
@@ -1092,7 +1159,7 @@
 	/* test for split data in 8-byte chunks */
 	if (test_and_clear_bit(EVENT_STS_SPLIT, &dev->flags)) {
 		cdc_ncm_speed_change(ctx,
-		      (struct connection_speed_change *)urb->transfer_buffer);
+		      (struct usb_cdc_speed_change *)urb->transfer_buffer);
 		return;
 	}
 
@@ -1120,12 +1187,12 @@
 		break;
 
 	case USB_CDC_NOTIFY_SPEED_CHANGE:
-		if (urb->actual_length <
-		    (sizeof(*event) + sizeof(struct connection_speed_change)))
+		if (urb->actual_length < (sizeof(*event) +
+					sizeof(struct usb_cdc_speed_change)))
 			set_bit(EVENT_STS_SPLIT, &dev->flags);
 		else
 			cdc_ncm_speed_change(ctx,
-				(struct connection_speed_change *) &event[1]);
+				(struct usb_cdc_speed_change *) &event[1]);
 		break;
 
 	default:
diff --git a/drivers/net/usb/dm9601.c b/drivers/net/usb/dm9601.c
index 02b622e..5002f5b 100644
--- a/drivers/net/usb/dm9601.c
+++ b/drivers/net/usb/dm9601.c
@@ -651,6 +651,10 @@
 	.driver_info = (unsigned long)&dm9601_info,
 	 },
 	{
+	 USB_DEVICE(0x0fe6, 0x9700),	/* DM9601 USB to Fast Ethernet Adapter */
+	 .driver_info = (unsigned long)&dm9601_info,
+	 },
+	{
 	 USB_DEVICE(0x0a46, 0x9000),	/* DM9000E */
 	 .driver_info = (unsigned long)&dm9601_info,
 	 },
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index bed8fce..6d83812 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -2628,15 +2628,15 @@
 
 static void hso_free_tiomget(struct hso_serial *serial)
 {
-	struct hso_tiocmget *tiocmget = serial->tiocmget;
+	struct hso_tiocmget *tiocmget;
+	if (!serial)
+		return;
+	tiocmget = serial->tiocmget;
 	if (tiocmget) {
-		if (tiocmget->urb) {
-			usb_free_urb(tiocmget->urb);
-			tiocmget->urb = NULL;
-		}
+		usb_free_urb(tiocmget->urb);
+		tiocmget->urb = NULL;
 		serial->tiocmget = NULL;
 		kfree(tiocmget);
-
 	}
 }
 
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index ed9a416..95c41d5 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -931,8 +931,10 @@
 		if (urb != NULL) {
 			clear_bit (EVENT_RX_MEMORY, &dev->flags);
 			status = usb_autopm_get_interface(dev->intf);
-			if (status < 0)
+			if (status < 0) {
+				usb_free_urb(urb);
 				goto fail_lowmem;
+			}
 			if (rx_submit (dev, urb, GFP_KERNEL) == -ENOLINK)
 				resched = 0;
 			usb_autopm_put_interface(dev->intf);
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 90a23e4..82dba5a 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -446,6 +446,20 @@
 	}
 }
 
+static void virtnet_napi_enable(struct virtnet_info *vi)
+{
+	napi_enable(&vi->napi);
+
+	/* If all buffers were filled by other side before we napi_enabled, we
+	 * won't get another interrupt, so process any outstanding packets
+	 * now.  virtnet_poll wants re-enable the queue, so we disable here.
+	 * We synchronize against interrupts via NAPI_STATE_SCHED */
+	if (napi_schedule_prep(&vi->napi)) {
+		virtqueue_disable_cb(vi->rvq);
+		__napi_schedule(&vi->napi);
+	}
+}
+
 static void refill_work(struct work_struct *work)
 {
 	struct virtnet_info *vi;
@@ -454,7 +468,7 @@
 	vi = container_of(work, struct virtnet_info, refill.work);
 	napi_disable(&vi->napi);
 	still_empty = !try_fill_recv(vi, GFP_KERNEL);
-	napi_enable(&vi->napi);
+	virtnet_napi_enable(vi);
 
 	/* In theory, this can happen: if we don't get any buffers in
 	 * we will *never* try to fill again. */
@@ -638,16 +652,7 @@
 {
 	struct virtnet_info *vi = netdev_priv(dev);
 
-	napi_enable(&vi->napi);
-
-	/* If all buffers were filled by other side before we napi_enabled, we
-	 * won't get another interrupt, so process any outstanding packets
-	 * now.  virtnet_poll wants re-enable the queue, so we disable here.
-	 * We synchronize against interrupts via NAPI_STATE_SCHED */
-	if (napi_schedule_prep(&vi->napi)) {
-		virtqueue_disable_cb(vi->rvq);
-		__napi_schedule(&vi->napi);
-	}
+	virtnet_napi_enable(vi);
 	return 0;
 }
 
diff --git a/drivers/net/wireless/ath/ath5k/phy.c b/drivers/net/wireless/ath/ath5k/phy.c
index 78c26fd..62ce2f4 100644
--- a/drivers/net/wireless/ath/ath5k/phy.c
+++ b/drivers/net/wireless/ath/ath5k/phy.c
@@ -282,6 +282,34 @@
 	return 0;
 }
 
+/*
+ * Wait for synth to settle
+ */
+static void ath5k_hw_wait_for_synth(struct ath5k_hw *ah,
+			struct ieee80211_channel *channel)
+{
+	/*
+	 * On 5211+ read activation -> rx delay
+	 * and use it (100ns steps).
+	 */
+	if (ah->ah_version != AR5K_AR5210) {
+		u32 delay;
+		delay = ath5k_hw_reg_read(ah, AR5K_PHY_RX_DELAY) &
+			AR5K_PHY_RX_DELAY_M;
+		delay = (channel->hw_value & CHANNEL_CCK) ?
+			((delay << 2) / 22) : (delay / 10);
+		if (ah->ah_bwmode == AR5K_BWMODE_10MHZ)
+			delay = delay << 1;
+		if (ah->ah_bwmode == AR5K_BWMODE_5MHZ)
+			delay = delay << 2;
+		/* XXX: /2 on turbo ? Let's be safe
+		 * for now */
+		udelay(100 + delay);
+	} else {
+		mdelay(1);
+	}
+}
+
 
 /**********************\
 * RF Gain optimization *
@@ -1253,6 +1281,7 @@
 	case AR5K_RF5111:
 		ret = ath5k_hw_rf5111_channel(ah, channel);
 		break;
+	case AR5K_RF2317:
 	case AR5K_RF2425:
 		ret = ath5k_hw_rf2425_channel(ah, channel);
 		break;
@@ -3237,6 +3266,13 @@
 		/* Failed */
 		if (i >= 100)
 			return -EIO;
+
+		/* Set channel and wait for synth */
+		ret = ath5k_hw_channel(ah, channel);
+		if (ret)
+			return ret;
+
+		ath5k_hw_wait_for_synth(ah, channel);
 	}
 
 	/*
@@ -3251,13 +3287,53 @@
 	if (ret)
 		return ret;
 
+	/* Write OFDM timings on 5212*/
+	if (ah->ah_version == AR5K_AR5212 &&
+		channel->hw_value & CHANNEL_OFDM) {
+
+		ret = ath5k_hw_write_ofdm_timings(ah, channel);
+		if (ret)
+			return ret;
+
+		/* Spur info is available only from EEPROM versions
+		 * greater than 5.3, but the EEPROM routines will use
+		 * static values for older versions */
+		if (ah->ah_mac_srev >= AR5K_SREV_AR5424)
+			ath5k_hw_set_spur_mitigation_filter(ah,
+							    channel);
+	}
+
+	/* If we used fast channel switching
+	 * we are done, release RF bus and
+	 * fire up NF calibration.
+	 *
+	 * Note: Only NF calibration due to
+	 * channel change, not AGC calibration
+	 * since AGC is still running !
+	 */
+	if (fast) {
+		/*
+		 * Release RF Bus grant
+		 */
+		AR5K_REG_DISABLE_BITS(ah, AR5K_PHY_RFBUS_REQ,
+				    AR5K_PHY_RFBUS_REQ_REQUEST);
+
+		/*
+		 * Start NF calibration
+		 */
+		AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_AGCCTL,
+					AR5K_PHY_AGCCTL_NF);
+
+		return ret;
+	}
+
 	/*
 	 * For 5210 we do all initialization using
 	 * initvals, so we don't have to modify
 	 * any settings (5210 also only supports
 	 * a/aturbo modes)
 	 */
-	if ((ah->ah_version != AR5K_AR5210) && !fast) {
+	if (ah->ah_version != AR5K_AR5210) {
 
 		/*
 		 * Write initial RF gain settings
@@ -3276,22 +3352,6 @@
 		if (ret)
 			return ret;
 
-		/* Write OFDM timings on 5212*/
-		if (ah->ah_version == AR5K_AR5212 &&
-			channel->hw_value & CHANNEL_OFDM) {
-
-			ret = ath5k_hw_write_ofdm_timings(ah, channel);
-			if (ret)
-				return ret;
-
-			/* Spur info is available only from EEPROM versions
-			 * greater than 5.3, but the EEPROM routines will use
-			 * static values for older versions */
-			if (ah->ah_mac_srev >= AR5K_SREV_AR5424)
-				ath5k_hw_set_spur_mitigation_filter(ah,
-								    channel);
-		}
-
 		/*Enable/disable 802.11b mode on 5111
 		(enable 2111 frequency converter + CCK)*/
 		if (ah->ah_radio == AR5K_RF5111) {
@@ -3322,47 +3382,20 @@
 	 */
 	ath5k_hw_reg_write(ah, AR5K_PHY_ACT_ENABLE, AR5K_PHY_ACT);
 
-	/*
-	 * On 5211+ read activation -> rx delay
-	 * and use it.
-	 */
-	if (ah->ah_version != AR5K_AR5210) {
-		u32 delay;
-		delay = ath5k_hw_reg_read(ah, AR5K_PHY_RX_DELAY) &
-			AR5K_PHY_RX_DELAY_M;
-		delay = (channel->hw_value & CHANNEL_CCK) ?
-			((delay << 2) / 22) : (delay / 10);
-		if (ah->ah_bwmode == AR5K_BWMODE_10MHZ)
-			delay = delay << 1;
-		if (ah->ah_bwmode == AR5K_BWMODE_5MHZ)
-			delay = delay << 2;
-		/* XXX: /2 on turbo ? Let's be safe
-		 * for now */
-		udelay(100 + delay);
-	} else {
-		mdelay(1);
-	}
+	ath5k_hw_wait_for_synth(ah, channel);
 
-	if (fast)
-		/*
-		 * Release RF Bus grant
-		 */
-		AR5K_REG_DISABLE_BITS(ah, AR5K_PHY_RFBUS_REQ,
-				    AR5K_PHY_RFBUS_REQ_REQUEST);
-	else {
-		/*
-		 * Perform ADC test to see if baseband is ready
-		 * Set tx hold and check adc test register
-		 */
-		phy_tst1 = ath5k_hw_reg_read(ah, AR5K_PHY_TST1);
-		ath5k_hw_reg_write(ah, AR5K_PHY_TST1_TXHOLD, AR5K_PHY_TST1);
-		for (i = 0; i <= 20; i++) {
-			if (!(ath5k_hw_reg_read(ah, AR5K_PHY_ADC_TEST) & 0x10))
-				break;
-			udelay(200);
-		}
-		ath5k_hw_reg_write(ah, phy_tst1, AR5K_PHY_TST1);
+	/*
+	 * Perform ADC test to see if baseband is ready
+	 * Set tx hold and check adc test register
+	 */
+	phy_tst1 = ath5k_hw_reg_read(ah, AR5K_PHY_TST1);
+	ath5k_hw_reg_write(ah, AR5K_PHY_TST1_TXHOLD, AR5K_PHY_TST1);
+	for (i = 0; i <= 20; i++) {
+		if (!(ath5k_hw_reg_read(ah, AR5K_PHY_ADC_TEST) & 0x10))
+			break;
+		udelay(200);
 	}
+	ath5k_hw_reg_write(ah, phy_tst1, AR5K_PHY_TST1);
 
 	/*
 	 * Start automatic gain control calibration
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 3681caf5..1a7fa6e 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -21,7 +21,6 @@
 #include <linux/device.h>
 #include <linux/leds.h>
 #include <linux/completion.h>
-#include <linux/pm_qos_params.h>
 
 #include "debug.h"
 #include "common.h"
@@ -57,8 +56,6 @@
 
 #define A_MAX(a, b) ((a) > (b) ? (a) : (b))
 
-#define ATH9K_PM_QOS_DEFAULT_VALUE	55
-
 #define TSF_TO_TU(_h,_l) \
 	((((u32)(_h)) << 22) | (((u32)(_l)) >> 10))
 
@@ -218,6 +215,7 @@
 struct ath_buf_state {
 	u8 bf_type;
 	u8 bfs_paprd;
+	unsigned long bfs_paprd_timestamp;
 	enum ath9k_internal_frame_type bfs_ftype;
 };
 
@@ -593,7 +591,6 @@
 	struct work_struct paprd_work;
 	struct work_struct hw_check_work;
 	struct completion paprd_complete;
-	bool paprd_pending;
 
 	u32 intrstatus;
 	u32 sc_flags; /* SC_OP_* */
@@ -633,8 +630,6 @@
 	struct ath_descdma txsdma;
 
 	struct ath_ant_comb ant_comb;
-
-	struct pm_qos_request_list pm_qos_req;
 };
 
 struct ath_wiphy {
@@ -666,7 +661,6 @@
 extern struct ieee80211_ops ath9k_ops;
 extern int ath9k_modparam_nohwcrypt;
 extern int led_blink;
-extern int ath9k_pm_qos_value;
 extern bool is_ath9k_unloaded;
 
 irqreturn_t ath_isr(int irq, void *dev);
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index 087a6a9..a033d01 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -41,10 +41,6 @@
 module_param_named(btcoex_enable, ath9k_btcoex_enable, int, 0444);
 MODULE_PARM_DESC(btcoex_enable, "Enable wifi-BT coexistence");
 
-int ath9k_pm_qos_value = ATH9K_PM_QOS_DEFAULT_VALUE;
-module_param_named(pmqos, ath9k_pm_qos_value, int, S_IRUSR | S_IRGRP | S_IROTH);
-MODULE_PARM_DESC(pmqos, "User specified PM-QOS value");
-
 bool is_ath9k_unloaded;
 /* We use the hw_value as an index into our private channel structure */
 
@@ -762,9 +758,6 @@
 	ath_init_leds(sc);
 	ath_start_rfkill_poll(sc);
 
-	pm_qos_add_request(&sc->pm_qos_req, PM_QOS_CPU_DMA_LATENCY,
-			   PM_QOS_DEFAULT_VALUE);
-
 	return 0;
 
 error_world:
@@ -831,7 +824,6 @@
 	}
 
 	ieee80211_unregister_hw(hw);
-	pm_qos_remove_request(&sc->pm_qos_req);
 	ath_rx_cleanup(sc);
 	ath_tx_cleanup(sc);
 	ath9k_deinit_softc(sc);
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 9040c2f..a09d15f 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -342,7 +342,6 @@
 	tx_info->control.rates[1].idx = -1;
 
 	init_completion(&sc->paprd_complete);
-	sc->paprd_pending = true;
 	txctl.paprd = BIT(chain);
 
 	if (ath_tx_start(hw, skb, &txctl) != 0) {
@@ -353,7 +352,6 @@
 
 	time_left = wait_for_completion_timeout(&sc->paprd_complete,
 			msecs_to_jiffies(ATH_PAPRD_TIMEOUT));
-	sc->paprd_pending = false;
 
 	if (!time_left)
 		ath_dbg(ath9k_hw_common(sc->sc_ah), ATH_DBG_CALIBRATE,
@@ -1175,12 +1173,6 @@
 			ath9k_btcoex_timer_resume(sc);
 	}
 
-	/* User has the option to provide pm-qos value as a module
-	 * parameter rather than using the default value of
-	 * 'ATH9K_PM_QOS_DEFAULT_VALUE'.
-	 */
-	pm_qos_update_request(&sc->pm_qos_req, ath9k_pm_qos_value);
-
 	if (ah->caps.pcie_lcr_extsync_en && common->bus_ops->extn_synch_en)
 		common->bus_ops->extn_synch_en(common);
 
@@ -1347,8 +1339,6 @@
 
 	sc->sc_flags |= SC_OP_INVALID;
 
-	pm_qos_update_request(&sc->pm_qos_req, PM_QOS_DEFAULT_VALUE);
-
 	mutex_unlock(&sc->mutex);
 
 	ath_dbg(common, ATH_DBG_CONFIG, "Driver halt\n");
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 33a37ed..07b7804 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -1725,6 +1725,9 @@
 			ar9003_hw_set_paprd_txdesc(sc->sc_ah, bf->bf_desc,
 						   bf->bf_state.bfs_paprd);
 
+		if (txctl->paprd)
+			bf->bf_state.bfs_paprd_timestamp = jiffies;
+
 		ath_tx_send_normal(sc, txctl->txq, tid, &bf_head);
 	}
 
@@ -1886,7 +1889,9 @@
 	bf->bf_buf_addr = 0;
 
 	if (bf->bf_state.bfs_paprd) {
-		if (!sc->paprd_pending)
+		if (time_after(jiffies,
+				bf->bf_state.bfs_paprd_timestamp +
+				msecs_to_jiffies(ATH_PAPRD_TIMEOUT)))
 			dev_kfree_skb_any(skb);
 		else
 			complete(&sc->paprd_complete);
diff --git a/drivers/net/wireless/ath/carl9170/rx.c b/drivers/net/wireless/ath/carl9170/rx.c
index 939a0e9..84866a4 100644
--- a/drivers/net/wireless/ath/carl9170/rx.c
+++ b/drivers/net/wireless/ath/carl9170/rx.c
@@ -564,7 +564,7 @@
 	cam = ieee80211_check_tim(tim_ie, tim_len, ar->common.curaid);
 
 	/* 2. Maybe the AP wants to send multicast/broadcast data? */
-	cam = !!(tim_ie->bitmap_ctrl & 0x01);
+	cam |= !!(tim_ie->bitmap_ctrl & 0x01);
 
 	if (!cam) {
 		/* back to low-power land. */
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index a9b852b..39b6f16 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -402,72 +402,6 @@
 }
 #endif
 
-/**
- * iwl3945_good_plcp_health - checks for plcp error.
- *
- * When the plcp error is exceeding the thresholds, reset the radio
- * to improve the throughput.
- */
-static bool iwl3945_good_plcp_health(struct iwl_priv *priv,
-				struct iwl_rx_packet *pkt)
-{
-	bool rc = true;
-	struct iwl3945_notif_statistics current_stat;
-	int combined_plcp_delta;
-	unsigned int plcp_msec;
-	unsigned long plcp_received_jiffies;
-
-	if (priv->cfg->base_params->plcp_delta_threshold ==
-	    IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE) {
-		IWL_DEBUG_RADIO(priv, "plcp_err check disabled\n");
-		return rc;
-	}
-	memcpy(&current_stat, pkt->u.raw, sizeof(struct
-			iwl3945_notif_statistics));
-	/*
-	 * check for plcp_err and trigger radio reset if it exceeds
-	 * the plcp error threshold plcp_delta.
-	 */
-	plcp_received_jiffies = jiffies;
-	plcp_msec = jiffies_to_msecs((long) plcp_received_jiffies -
-					(long) priv->plcp_jiffies);
-	priv->plcp_jiffies = plcp_received_jiffies;
-	/*
-	 * check to make sure plcp_msec is not 0 to prevent division
-	 * by zero.
-	 */
-	if (plcp_msec) {
-		combined_plcp_delta =
-			(le32_to_cpu(current_stat.rx.ofdm.plcp_err) -
-			le32_to_cpu(priv->_3945.statistics.rx.ofdm.plcp_err));
-
-		if ((combined_plcp_delta > 0) &&
-			((combined_plcp_delta * 100) / plcp_msec) >
-			priv->cfg->base_params->plcp_delta_threshold) {
-			/*
-			 * if plcp_err exceed the threshold, the following
-			 * data is printed in csv format:
-			 *    Text: plcp_err exceeded %d,
-			 *    Received ofdm.plcp_err,
-			 *    Current ofdm.plcp_err,
-			 *    combined_plcp_delta,
-			 *    plcp_msec
-			 */
-			IWL_DEBUG_RADIO(priv, "plcp_err exceeded %u, "
-				"%u, %d, %u mSecs\n",
-				priv->cfg->base_params->plcp_delta_threshold,
-				le32_to_cpu(current_stat.rx.ofdm.plcp_err),
-				combined_plcp_delta, plcp_msec);
-			/*
-			 * Reset the RF radio due to the high plcp
-			 * error rate
-			 */
-			rc = false;
-		}
-	}
-	return rc;
-}
-
 void iwl3945_hw_rx_statistics(struct iwl_priv *priv,
 		struct iwl_rx_mem_buffer *rxb)
 {
@@ -2734,7 +2668,6 @@
 	.isr_ops = {
 		.isr = iwl_isr_legacy,
 	},
-	.check_plcp_health = iwl3945_good_plcp_health,
 
 	.debugfs_ops = {
 		.rx_stats_read = iwl3945_ucode_rx_stats_read,
diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index af505bc..ef36aff 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -681,6 +681,8 @@
 	.fw_name_pre = IWL6050_FW_PRE,				\
 	.ucode_api_max = IWL6050_UCODE_API_MAX,			\
 	.ucode_api_min = IWL6050_UCODE_API_MIN,			\
+	.valid_tx_ant = ANT_AB,		/* .cfg overwrite */	\
+	.valid_rx_ant = ANT_AB,		/* .cfg overwrite */	\
 	.ops = &iwl6050_ops,					\
 	.eeprom_ver = EEPROM_6050_EEPROM_VERSION,		\
 	.eeprom_calib_ver = EEPROM_6050_TX_POWER_VERSION,	\
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 36335b1..c1cfd99 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -1157,6 +1157,9 @@
 	/* only Re-enable if disabled by irq */
 	if (test_bit(STATUS_INT_ENABLED, &priv->status))
 		iwl_enable_interrupts(priv);
+	/* Re-enable RF_KILL if it occurred */
+	else if (handled & CSR_INT_BIT_RF_KILL)
+		iwl_enable_rfkill_int(priv);
 
 #ifdef CONFIG_IWLWIFI_DEBUG
 	if (iwl_get_debug_level(priv) & (IWL_DL_ISR)) {
@@ -1371,6 +1374,9 @@
 	/* only Re-enable if disabled by irq */
 	if (test_bit(STATUS_INT_ENABLED, &priv->status))
 		iwl_enable_interrupts(priv);
+	/* Re-enable RF_KILL if it occurred */
+	else if (handled & CSR_INT_BIT_RF_KILL)
+		iwl_enable_rfkill_int(priv);
 }
 
 /* the threshold ratio of actual_ack_cnt to expected_ack_cnt in percent */
diff --git a/drivers/net/wireless/p54/p54pci.c b/drivers/net/wireless/p54/p54pci.c
index 1eacba4..0494d7b 100644
--- a/drivers/net/wireless/p54/p54pci.c
+++ b/drivers/net/wireless/p54/p54pci.c
@@ -199,6 +199,7 @@
 	while (i != idx) {
 		u16 len;
 		struct sk_buff *skb;
+		dma_addr_t dma_addr;
 		desc = &ring[i];
 		len = le16_to_cpu(desc->len);
 		skb = rx_buf[i];
@@ -216,17 +217,20 @@
 
 			len = priv->common.rx_mtu;
 		}
+		dma_addr = le32_to_cpu(desc->host_addr);
+		pci_dma_sync_single_for_cpu(priv->pdev, dma_addr,
+			priv->common.rx_mtu + 32, PCI_DMA_FROMDEVICE);
 		skb_put(skb, len);
 
 		if (p54_rx(dev, skb)) {
-			pci_unmap_single(priv->pdev,
-					 le32_to_cpu(desc->host_addr),
-					 priv->common.rx_mtu + 32,
-					 PCI_DMA_FROMDEVICE);
+			pci_unmap_single(priv->pdev, dma_addr,
+				priv->common.rx_mtu + 32, PCI_DMA_FROMDEVICE);
 			rx_buf[i] = NULL;
-			desc->host_addr = 0;
+			desc->host_addr = cpu_to_le32(0);
 		} else {
 			skb_trim(skb, 0);
+			pci_dma_sync_single_for_device(priv->pdev, dma_addr,
+				priv->common.rx_mtu + 32, PCI_DMA_FROMDEVICE);
 			desc->len = cpu_to_le16(priv->common.rx_mtu + 32);
 		}
 
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index aa97971..3b3f1e4 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -652,6 +652,12 @@
 		 */
 		rxdesc->flags |= RX_FLAG_IV_STRIPPED;
 
+		/*
+		 * The hardware has already checked the Michael Mic and has
+		 * stripped it from the frame. Signal this to mac80211.
+		 */
+		rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
+
 		if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
 			rxdesc->flags |= RX_FLAG_DECRYPTED;
 		else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
@@ -1065,6 +1071,8 @@
 	{ PCI_DEVICE(0x1814, 0x3390), PCI_DEVICE_DATA(&rt2800pci_ops) },
 #endif
 #ifdef CONFIG_RT2800PCI_RT35XX
+	{ PCI_DEVICE(0x1432, 0x7711), PCI_DEVICE_DATA(&rt2800pci_ops) },
+	{ PCI_DEVICE(0x1432, 0x7722), PCI_DEVICE_DATA(&rt2800pci_ops) },
 	{ PCI_DEVICE(0x1814, 0x3060), PCI_DEVICE_DATA(&rt2800pci_ops) },
 	{ PCI_DEVICE(0x1814, 0x3062), PCI_DEVICE_DATA(&rt2800pci_ops) },
 	{ PCI_DEVICE(0x1814, 0x3562), PCI_DEVICE_DATA(&rt2800pci_ops) },
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index b97a4a5..197a36c 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -486,6 +486,12 @@
 		 */
 		rxdesc->flags |= RX_FLAG_IV_STRIPPED;
 
+		/*
+		 * The hardware has already checked the Michael Mic and has
+		 * stripped it from the frame. Signal this to mac80211.
+		 */
+		rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
+
 		if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
 			rxdesc->flags |= RX_FLAG_DECRYPTED;
 		else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
diff --git a/drivers/net/wireless/wl1251/main.c b/drivers/net/wireless/wl1251/main.c
index 012e1a4..40372ba 100644
--- a/drivers/net/wireless/wl1251/main.c
+++ b/drivers/net/wireless/wl1251/main.c
@@ -1039,6 +1039,9 @@
 
 	if (changed & BSS_CHANGED_BEACON) {
 		beacon = ieee80211_beacon_get(hw, vif);
+		if (!beacon)
+			goto out_sleep;
+
 		ret = wl1251_cmd_template_set(wl, CMD_BEACON, beacon->data,
 					      beacon->len);
 
diff --git a/drivers/nfc/Kconfig b/drivers/nfc/Kconfig
index ffedfd4..ea15800 100644
--- a/drivers/nfc/Kconfig
+++ b/drivers/nfc/Kconfig
@@ -3,7 +3,7 @@
 #
 
 menuconfig NFC_DEVICES
-	bool "NFC devices"
+	bool "Near Field Communication (NFC) devices"
 	default n
 	---help---
 	  You'll have to say Y if your computer contains an NFC device that
diff --git a/drivers/nfc/pn544.c b/drivers/nfc/pn544.c
index bae6472..724f65d 100644
--- a/drivers/nfc/pn544.c
+++ b/drivers/nfc/pn544.c
@@ -60,7 +60,7 @@
 struct pn544_info {
 	struct miscdevice miscdev;
 	struct i2c_client *i2c_dev;
-	struct regulator_bulk_data regs[2];
+	struct regulator_bulk_data regs[3];
 
 	enum pn544_state state;
 	wait_queue_head_t read_wait;
@@ -74,6 +74,7 @@
 
 static const char reg_vdd_io[]	= "Vdd_IO";
 static const char reg_vbat[]	= "VBat";
+static const char reg_vsim[]	= "VSim";
 
 /* sysfs interface */
 static ssize_t pn544_test(struct device *dev,
@@ -740,6 +741,7 @@
 
 	info->regs[0].supply = reg_vdd_io;
 	info->regs[1].supply = reg_vbat;
+	info->regs[2].supply = reg_vsim;
 	r = regulator_bulk_get(&client->dev, ARRAY_SIZE(info->regs),
 				 info->regs);
 	if (r < 0)
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 8ecaac9..ea25e5b 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -23,6 +23,7 @@
 #include <linux/mm.h>
 #include <linux/fs.h>
 #include <linux/capability.h>
+#include <linux/security.h>
 #include <linux/pci-aspm.h>
 #include <linux/slab.h>
 #include "pci.h"
@@ -368,7 +369,7 @@
 	u8 *data = (u8*) buf;
 
 	/* Several chips lock up trying to read undefined config space */
-	if (cap_raised(filp->f_cred->cap_effective, CAP_SYS_ADMIN)) {
+	if (security_capable(filp->f_cred, CAP_SYS_ADMIN) == 0) {
 		size = dev->cfg_size;
 	} else if (dev->hdr_type == PCI_HEADER_TYPE_CARDBUS) {
 		size = 128;
diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c
index 0bdda5b3..42fbf1a 100644
--- a/drivers/pcmcia/pcmcia_resource.c
+++ b/drivers/pcmcia/pcmcia_resource.c
@@ -518,6 +518,8 @@
 		flags |= CONF_ENABLE_IOCARD;
 	if (flags & CONF_ENABLE_IOCARD)
 		s->socket.flags |= SS_IOCARD;
+	if (flags & CONF_ENABLE_ZVCARD)
+		s->socket.flags |= SS_ZVCARD | SS_IOCARD;
 	if (flags & CONF_ENABLE_SPKR) {
 		s->socket.flags |= SS_SPKR_ENA;
 		status = CCSR_AUDIO_ENA;
diff --git a/drivers/pcmcia/pxa2xx_base.c b/drivers/pcmcia/pxa2xx_base.c
index 3755e7c..2c54054 100644
--- a/drivers/pcmcia/pxa2xx_base.c
+++ b/drivers/pcmcia/pxa2xx_base.c
@@ -215,7 +215,7 @@
 }
 #endif
 
-static void pxa2xx_configure_sockets(struct device *dev)
+void pxa2xx_configure_sockets(struct device *dev)
 {
 	struct pcmcia_low_level *ops = dev->platform_data;
 	/*
diff --git a/drivers/pcmcia/pxa2xx_base.h b/drivers/pcmcia/pxa2xx_base.h
index bb62ea8..b609b45 100644
--- a/drivers/pcmcia/pxa2xx_base.h
+++ b/drivers/pcmcia/pxa2xx_base.h
@@ -1,3 +1,4 @@
 int pxa2xx_drv_pcmcia_add_one(struct soc_pcmcia_socket *skt);
 void pxa2xx_drv_pcmcia_ops(struct pcmcia_low_level *ops);
+void pxa2xx_configure_sockets(struct device *dev);
 
diff --git a/drivers/pcmcia/pxa2xx_lubbock.c b/drivers/pcmcia/pxa2xx_lubbock.c
index b9f8c8f..25afe63 100644
--- a/drivers/pcmcia/pxa2xx_lubbock.c
+++ b/drivers/pcmcia/pxa2xx_lubbock.c
@@ -226,6 +226,7 @@
 		lubbock_set_misc_wr((1 << 15) | (1 << 14), 0);
 
 		pxa2xx_drv_pcmcia_ops(&lubbock_pcmcia_ops);
+		pxa2xx_configure_sockets(&sadev->dev);
 		ret = sa1111_pcmcia_add(sadev, &lubbock_pcmcia_ops,
 				pxa2xx_drv_pcmcia_add_one);
 	}
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index d163bc2..a59af5b 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -227,7 +227,7 @@
 config IDEAPAD_LAPTOP
 	tristate "Lenovo IdeaPad Laptop Extras"
 	depends on ACPI
-	depends on RFKILL
+	depends on RFKILL && INPUT
 	select INPUT_SPARSEKMAP
 	help
 	  This is a driver for the rfkill switches on Lenovo IdeaPad netbooks.
diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
index c5c4b8c..38b34a7 100644
--- a/drivers/platform/x86/acer-wmi.c
+++ b/drivers/platform/x86/acer-wmi.c
@@ -84,7 +84,7 @@
  */
 #define AMW0_GUID1		"67C3371D-95A3-4C37-BB61-DD47B491DAAB"
 #define AMW0_GUID2		"431F16ED-0C2B-444C-B267-27DEB140CF9C"
-#define WMID_GUID1		"6AF4F258-B401-42fd-BE91-3D4AC2D7C0D3"
+#define WMID_GUID1		"6AF4F258-B401-42FD-BE91-3D4AC2D7C0D3"
 #define WMID_GUID2		"95764E09-FB56-4e83-B31A-37761F60994A"
 #define WMID_GUID3		"61EF69EA-865C-4BC3-A502-A0DEBA0CB531"
 
@@ -1280,7 +1280,7 @@
 			return -EINVAL;
 	return count;
 }
-static DEVICE_ATTR(threeg, S_IWUGO | S_IRUGO | S_IWUSR, show_bool_threeg,
+static DEVICE_ATTR(threeg, S_IRUGO | S_IWUSR, show_bool_threeg,
 	set_bool_threeg);
 
 static ssize_t show_interface(struct device *dev, struct device_attribute *attr,
diff --git a/drivers/platform/x86/asus_acpi.c b/drivers/platform/x86/asus_acpi.c
index 4633fd8..fe49593 100644
--- a/drivers/platform/x86/asus_acpi.c
+++ b/drivers/platform/x86/asus_acpi.c
@@ -1081,14 +1081,8 @@
 	struct proc_dir_entry *proc;
 	mode_t mode;
 
-	/*
-	 * If parameter uid or gid is not changed, keep the default setting for
-	 * our proc entries (-rw-rw-rw-) else, it means we care about security,
-	 * and then set to -rw-rw----
-	 */
-
 	if ((asus_uid == 0) && (asus_gid == 0)) {
-		mode = S_IFREG | S_IRUGO | S_IWUGO;
+		mode = S_IFREG | S_IRUGO | S_IWUSR | S_IWGRP;
 	} else {
 		mode = S_IFREG | S_IRUSR | S_IRGRP | S_IWUSR | S_IWGRP;
 		printk(KERN_WARNING "  asus_uid and asus_gid parameters are "
diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
index 34657f9..ad24ef3 100644
--- a/drivers/platform/x86/dell-laptop.c
+++ b/drivers/platform/x86/dell-laptop.c
@@ -290,9 +290,12 @@
 	dell_send_request(buffer, 17, 11);
 
 	/* If the hardware switch controls this radio, and the hardware
-	   switch is disabled, don't allow changing the software state */
+	   switch is disabled, don't allow changing the software state.
+	   If the hardware switch is reported as not supported, always
+	   fire the SMI to toggle the killswitch. */
 	if ((hwswitch_state & BIT(hwswitch_bit)) &&
-	    !(buffer->output[1] & BIT(16))) {
+	    !(buffer->output[1] & BIT(16)) &&
+	    (buffer->output[1] & BIT(0))) {
 		ret = -EINVAL;
 		goto out;
 	}
@@ -398,6 +401,23 @@
 
 static void dell_update_rfkill(struct work_struct *ignored)
 {
+	int status;
+
+	get_buffer();
+	dell_send_request(buffer, 17, 11);
+	status = buffer->output[1];
+	release_buffer();
+
+	/* if hardware rfkill is not supported, set it explicitly */
+	if (!(status & BIT(0))) {
+		if (wifi_rfkill)
+			dell_rfkill_set((void *)1, !((status & BIT(17)) >> 17));
+		if (bluetooth_rfkill)
+			dell_rfkill_set((void *)2, !((status & BIT(18)) >> 18));
+		if (wwan_rfkill)
+			dell_rfkill_set((void *)3, !((status & BIT(19)) >> 19));
+	}
+
 	if (wifi_rfkill)
 		dell_rfkill_query(wifi_rfkill, (void *)1);
 	if (bluetooth_rfkill)
diff --git a/drivers/platform/x86/intel_pmic_gpio.c b/drivers/platform/x86/intel_pmic_gpio.c
index 930e627..61433d4 100644
--- a/drivers/platform/x86/intel_pmic_gpio.c
+++ b/drivers/platform/x86/intel_pmic_gpio.c
@@ -60,69 +60,20 @@
 #define GPOSW_DOU 0x08
 #define GPOSW_RDRV 0x30
 
+#define GPIO_UPDATE_TYPE	0x80000000
 
 #define NUM_GPIO 24
 
-struct pmic_gpio_irq {
-	spinlock_t lock;
-	u32 trigger[NUM_GPIO];
-	u32 dirty;
-	struct work_struct work;
-};
-
-
 struct pmic_gpio {
+	struct mutex		buslock;
 	struct gpio_chip	chip;
-	struct pmic_gpio_irq	irqtypes;
 	void			*gpiointr;
 	int			irq;
 	unsigned		irq_base;
+	unsigned int		update_type;
+	u32			trigger_type;
 };
 
-static void pmic_program_irqtype(int gpio, int type)
-{
-	if (type & IRQ_TYPE_EDGE_RISING)
-		intel_scu_ipc_update_register(GPIO0 + gpio, 0x20, 0x20);
-	else
-		intel_scu_ipc_update_register(GPIO0 + gpio, 0x00, 0x20);
-
-	if (type & IRQ_TYPE_EDGE_FALLING)
-		intel_scu_ipc_update_register(GPIO0 + gpio, 0x10, 0x10);
-	else
-		intel_scu_ipc_update_register(GPIO0 + gpio, 0x00, 0x10);
-};
-
-static void pmic_irqtype_work(struct work_struct *work)
-{
-	struct pmic_gpio_irq *t =
-		container_of(work, struct pmic_gpio_irq, work);
-	unsigned long flags;
-	int i;
-	u16 type;
-
-	spin_lock_irqsave(&t->lock, flags);
-	/* As we drop the lock, we may need multiple scans if we race the
-	   pmic_irq_type function */
-	while (t->dirty) {
-		/*
-		 *	For each pin that has the dirty bit set send an IPC
-		 *	message to configure the hardware via the PMIC
-		 */
-		for (i = 0; i < NUM_GPIO; i++) {
-			if (!(t->dirty & (1 << i)))
-				continue;
-			t->dirty &= ~(1 << i);
-			/* We can't trust the array entry or dirty
-			   once the lock is dropped */
-			type = t->trigger[i];
-			spin_unlock_irqrestore(&t->lock, flags);
-			pmic_program_irqtype(i, type);
-			spin_lock_irqsave(&t->lock, flags);
-		}
-	}
-	spin_unlock_irqrestore(&t->lock, flags);
-}
-
 static int pmic_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
 {
 	if (offset > 8) {
@@ -190,25 +141,24 @@
 			1 << (offset - 16));
 }
 
-static int pmic_irq_type(unsigned irq, unsigned type)
+/*
+ * This is called from genirq with pg->buslock locked and
+ * irq_desc->lock held. We can not access the scu bus here, so we
+ * store the change and update in the bus_sync_unlock() function below
+ */
+static int pmic_irq_type(struct irq_data *data, unsigned type)
 {
-	struct pmic_gpio *pg = get_irq_chip_data(irq);
-	u32 gpio = irq - pg->irq_base;
-	unsigned long flags;
+	struct pmic_gpio *pg = irq_data_get_irq_chip_data(data);
+	u32 gpio = data->irq - pg->irq_base;
 
 	if (gpio >= pg->chip.ngpio)
 		return -EINVAL;
 
-	spin_lock_irqsave(&pg->irqtypes.lock, flags);
-	pg->irqtypes.trigger[gpio] = type;
-	pg->irqtypes.dirty |=  (1 << gpio);
-	spin_unlock_irqrestore(&pg->irqtypes.lock, flags);
-	schedule_work(&pg->irqtypes.work);
+	pg->trigger_type = type;
+	pg->update_type = gpio | GPIO_UPDATE_TYPE;
 	return 0;
 }
 
-
-
 static int pmic_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
 {
 	struct pmic_gpio *pg = container_of(chip, struct pmic_gpio, chip);
@@ -217,38 +167,32 @@
 }
 
 /* the gpiointr register is read-clear, so just do nothing. */
-static void pmic_irq_unmask(unsigned irq)
-{
-};
+static void pmic_irq_unmask(struct irq_data *data) { }
 
-static void pmic_irq_mask(unsigned irq)
-{
-};
+static void pmic_irq_mask(struct irq_data *data) { }
 
 static struct irq_chip pmic_irqchip = {
 	.name		= "PMIC-GPIO",
-	.mask		= pmic_irq_mask,
-	.unmask		= pmic_irq_unmask,
-	.set_type	= pmic_irq_type,
+	.irq_mask	= pmic_irq_mask,
+	.irq_unmask	= pmic_irq_unmask,
+	.irq_set_type	= pmic_irq_type,
 };
 
-static void pmic_irq_handler(unsigned irq, struct irq_desc *desc)
+static irqreturn_t pmic_irq_handler(int irq, void *data)
 {
-	struct pmic_gpio *pg = (struct pmic_gpio *)get_irq_data(irq);
+	struct pmic_gpio *pg = data;
 	u8 intsts = *((u8 *)pg->gpiointr + 4);
 	int gpio;
+	irqreturn_t ret = IRQ_NONE;
 
 	for (gpio = 0; gpio < 8; gpio++) {
 		if (intsts & (1 << gpio)) {
 			pr_debug("pmic pin %d triggered\n", gpio);
 			generic_handle_irq(pg->irq_base + gpio);
+			ret = IRQ_HANDLED;
 		}
 	}
-
-	if (desc->chip->irq_eoi)
-		desc->chip->irq_eoi(irq_get_irq_data(irq));
-	else
-		dev_warn(pg->chip.dev, "missing EOI handler for irq %d\n", irq);
+	return ret;
 }
 
 static int __devinit platform_pmic_gpio_probe(struct platform_device *pdev)
@@ -297,8 +241,7 @@
 	pg->chip.can_sleep = 1;
 	pg->chip.dev = dev;
 
-	INIT_WORK(&pg->irqtypes.work, pmic_irqtype_work);
-	spin_lock_init(&pg->irqtypes.lock);
+	mutex_init(&pg->buslock);
 
 	pg->chip.dev = dev;
 	retval = gpiochip_add(&pg->chip);
@@ -306,8 +249,13 @@
 		printk(KERN_ERR "%s: Can not add pmic gpio chip.\n", __func__);
 		goto err;
 	}
-	set_irq_data(pg->irq, pg);
-	set_irq_chained_handler(pg->irq, pmic_irq_handler);
+
+	retval = request_irq(pg->irq, pmic_irq_handler, 0, "pmic", pg);
+	if (retval) {
+		printk(KERN_WARNING "pmic: Interrupt request failed\n");
+		goto err;
+	}
+
 	for (i = 0; i < 8; i++) {
 		set_irq_chip_and_handler_name(i + pg->irq_base, &pmic_irqchip,
 					handle_simple_irq, "demux");
diff --git a/drivers/platform/x86/tc1100-wmi.c b/drivers/platform/x86/tc1100-wmi.c
index 1fe0f1f..865ef78 100644
--- a/drivers/platform/x86/tc1100-wmi.c
+++ b/drivers/platform/x86/tc1100-wmi.c
@@ -162,7 +162,7 @@
 			return -EINVAL; \
 	return count; \
 } \
-static DEVICE_ATTR(value, S_IWUGO | S_IRUGO | S_IWUSR, \
+static DEVICE_ATTR(value, S_IRUGO | S_IWUSR, \
 	show_bool_##value, set_bool_##value);
 
 show_set_bool(wireless, TC1100_INSTANCE_WIRELESS);
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index dd59958..eb99223 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -2275,16 +2275,12 @@
 	if (keycode != KEY_RESERVED) {
 		mutex_lock(&tpacpi_inputdev_send_mutex);
 
+		input_event(tpacpi_inputdev, EV_MSC, MSC_SCAN, scancode);
 		input_report_key(tpacpi_inputdev, keycode, 1);
-		if (keycode == KEY_UNKNOWN)
-			input_event(tpacpi_inputdev, EV_MSC, MSC_SCAN,
-				    scancode);
 		input_sync(tpacpi_inputdev);
 
+		input_event(tpacpi_inputdev, EV_MSC, MSC_SCAN, scancode);
 		input_report_key(tpacpi_inputdev, keycode, 0);
-		if (keycode == KEY_UNKNOWN)
-			input_event(tpacpi_inputdev, EV_MSC, MSC_SCAN,
-				    scancode);
 		input_sync(tpacpi_inputdev);
 
 		mutex_unlock(&tpacpi_inputdev_send_mutex);
diff --git a/drivers/pps/kapi.c b/drivers/pps/kapi.c
index cba1b43..a4e8eb9 100644
--- a/drivers/pps/kapi.c
+++ b/drivers/pps/kapi.c
@@ -168,7 +168,7 @@
 {
 	unsigned long flags;
 	int captured = 0;
-	struct pps_ktime ts_real;
+	struct pps_ktime ts_real = { .sec = 0, .nsec = 0, .flags = 0 };
 
 	/* check event type */
 	BUG_ON((event & (PPS_CAPTUREASSERT | PPS_CAPTURECLEAR)) == 0);
diff --git a/drivers/rapidio/rio-sysfs.c b/drivers/rapidio/rio-sysfs.c
index 76b4185..1269fbd 100644
--- a/drivers/rapidio/rio-sysfs.c
+++ b/drivers/rapidio/rio-sysfs.c
@@ -77,9 +77,9 @@
 
 	/* Several chips lock up trying to read undefined config space */
 	if (capable(CAP_SYS_ADMIN))
-		size = 0x200000;
+		size = RIO_MAINT_SPACE_SZ;
 
-	if (off > size)
+	if (off >= size)
 		return 0;
 	if (off + count > size) {
 		size -= off;
@@ -147,10 +147,10 @@
 	loff_t init_off = off;
 	u8 *data = (u8 *) buf;
 
-	if (off > 0x200000)
+	if (off >= RIO_MAINT_SPACE_SZ)
 		return 0;
-	if (off + count > 0x200000) {
-		size = 0x200000 - off;
+	if (off + count > RIO_MAINT_SPACE_SZ) {
+		size = RIO_MAINT_SPACE_SZ - off;
 		count = size;
 	}
 
@@ -200,7 +200,7 @@
 		 .name = "config",
 		 .mode = S_IRUGO | S_IWUSR,
 		 },
-	.size = 0x200000,
+	.size = RIO_MAINT_SPACE_SZ,
 	.read = rio_read_config,
 	.write = rio_write_config,
 };
diff --git a/drivers/regulator/mc13xxx-regulator-core.c b/drivers/regulator/mc13xxx-regulator-core.c
index f53d31b..2bb5de1 100644
--- a/drivers/regulator/mc13xxx-regulator-core.c
+++ b/drivers/regulator/mc13xxx-regulator-core.c
@@ -174,7 +174,7 @@
 
 	dev_dbg(rdev_get_dev(rdev), "%s id: %d val: %d\n", __func__, id, val);
 
-	BUG_ON(val < 0 || val > mc13xxx_regulators[id].desc.n_voltages);
+	BUG_ON(val > mc13xxx_regulators[id].desc.n_voltages);
 
 	return mc13xxx_regulators[id].voltages[val];
 }
diff --git a/drivers/regulator/wm831x-dcdc.c b/drivers/regulator/wm831x-dcdc.c
index 8b0d2c4..06df898 100644
--- a/drivers/regulator/wm831x-dcdc.c
+++ b/drivers/regulator/wm831x-dcdc.c
@@ -120,6 +120,7 @@
 		return REGULATOR_MODE_IDLE;
 	default:
 		BUG();
+		return -EINVAL;
 	}
 }
 
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index cdd9719..4941cad 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -97,6 +97,18 @@
 
 	  If unsure, say Y.
 
+config RTC_INTF_DEV_UIE_EMUL
+	bool "RTC UIE emulation on dev interface"
+	depends on RTC_INTF_DEV
+	help
+	  Provides an emulation for RTC_UIE if the underlying rtc chip
+	  driver does not expose RTC_UIE ioctls. Those requests generate
+	  once-per-second update interrupts, used for synchronization.
+
+	  The emulation code will read the time from the hardware
+	  clock several times per second, please enable this option
+	  only if you know that you really need it.
+
 config RTC_DRV_TEST
 	tristate "Test driver/device"
 	help
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index a0c0196..cb2f072 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -209,9 +209,8 @@
 	}
 
 	if (err)
-		return err;
-
-	if (!rtc->ops)
+		/* nothing */;
+	else if (!rtc->ops)
 		err = -ENODEV;
 	else if (!rtc->ops->alarm_irq_enable)
 		err = -EINVAL;
@@ -229,6 +228,12 @@
 	if (err)
 		return err;
 
+#ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL
+	if (enabled == 0 && rtc->uie_irq_active) {
+		mutex_unlock(&rtc->ops_lock);
+		return rtc_dev_update_irq_enable_emul(rtc, 0);
+	}
+#endif
 	/* make sure we're changing state */
 	if (rtc->uie_rtctimer.enabled == enabled)
 		goto out;
@@ -248,6 +253,16 @@
 
 out:
 	mutex_unlock(&rtc->ops_lock);
+#ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL
+	/*
+	 * Enable emulation if the driver did not provide
+	 * the update_irq_enable function pointer or if returned
+	 * -EINVAL to signal that it has been configured without
+	 * interrupts or that are not available at the moment.
+	 */
+	if (err == -EINVAL)
+		err = rtc_dev_update_irq_enable_emul(rtc, enabled);
+#endif
 	return err;
 
 }
@@ -263,7 +278,7 @@
  *
  * Triggers the registered irq_task function callback.
  */
-static void rtc_handle_legacy_irq(struct rtc_device *rtc, int num, int mode)
+void rtc_handle_legacy_irq(struct rtc_device *rtc, int num, int mode)
 {
 	unsigned long flags;
 
diff --git a/drivers/rtc/rtc-at32ap700x.c b/drivers/rtc/rtc-at32ap700x.c
index b2752b6..e725d51 100644
--- a/drivers/rtc/rtc-at32ap700x.c
+++ b/drivers/rtc/rtc-at32ap700x.c
@@ -134,36 +134,29 @@
 	return ret;
 }
 
-static int at32_rtc_ioctl(struct device *dev, unsigned int cmd,
-			unsigned long arg)
+static int at32_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
 {
 	struct rtc_at32ap700x *rtc = dev_get_drvdata(dev);
 	int ret = 0;
 
 	spin_lock_irq(&rtc->lock);
 
-	switch (cmd) {
-	case RTC_AIE_ON:
+	if(enabled) {
 		if (rtc_readl(rtc, VAL) > rtc->alarm_time) {
 			ret = -EINVAL;
-			break;
+			goto out;
 		}
 		rtc_writel(rtc, CTRL, rtc_readl(rtc, CTRL)
 				| RTC_BIT(CTRL_TOPEN));
 		rtc_writel(rtc, ICR, RTC_BIT(ICR_TOPI));
 		rtc_writel(rtc, IER, RTC_BIT(IER_TOPI));
-		break;
-	case RTC_AIE_OFF:
+	} else {
 		rtc_writel(rtc, CTRL, rtc_readl(rtc, CTRL)
 				& ~RTC_BIT(CTRL_TOPEN));
 		rtc_writel(rtc, IDR, RTC_BIT(IDR_TOPI));
 		rtc_writel(rtc, ICR, RTC_BIT(ICR_TOPI));
-		break;
-	default:
-		ret = -ENOIOCTLCMD;
-		break;
 	}
-
+out:
 	spin_unlock_irq(&rtc->lock);
 
 	return ret;
@@ -195,11 +188,11 @@
 }
 
 static struct rtc_class_ops at32_rtc_ops = {
-	.ioctl		= at32_rtc_ioctl,
 	.read_time	= at32_rtc_readtime,
 	.set_time	= at32_rtc_settime,
 	.read_alarm	= at32_rtc_readalarm,
 	.set_alarm	= at32_rtc_setalarm,
+	.alarm_irq_enable = at32_rtc_alarm_irq_enable,
 };
 
 static int __init at32_rtc_probe(struct platform_device *pdev)
diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c
index bc8bbca..26d1cf5 100644
--- a/drivers/rtc/rtc-at91rm9200.c
+++ b/drivers/rtc/rtc-at91rm9200.c
@@ -195,13 +195,6 @@
 
 	/* important:  scrub old status before enabling IRQs */
 	switch (cmd) {
-	case RTC_AIE_OFF:	/* alarm off */
-		at91_sys_write(AT91_RTC_IDR, AT91_RTC_ALARM);
-		break;
-	case RTC_AIE_ON:	/* alarm on */
-		at91_sys_write(AT91_RTC_SCCR, AT91_RTC_ALARM);
-		at91_sys_write(AT91_RTC_IER, AT91_RTC_ALARM);
-		break;
 	case RTC_UIE_OFF:	/* update off */
 		at91_sys_write(AT91_RTC_IDR, AT91_RTC_SECEV);
 		break;
@@ -217,6 +210,18 @@
 	return ret;
 }
 
+static int at91_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
+{
+	pr_debug("%s(): cmd=%08x\n", __func__, enabled);
+
+	if (enabled) {
+		at91_sys_write(AT91_RTC_SCCR, AT91_RTC_ALARM);
+		at91_sys_write(AT91_RTC_IER, AT91_RTC_ALARM);
+	} else
+		at91_sys_write(AT91_RTC_IDR, AT91_RTC_ALARM);
+
+	return 0;
+}
 /*
  * Provide additional RTC information in /proc/driver/rtc
  */
@@ -270,6 +275,7 @@
 	.read_alarm	= at91_rtc_readalarm,
 	.set_alarm	= at91_rtc_setalarm,
 	.proc		= at91_rtc_proc,
+	.alarm_irq_enable = at91_rtc_alarm_irq_enable,
 };
 
 /*
diff --git a/drivers/rtc/rtc-at91sam9.c b/drivers/rtc/rtc-at91sam9.c
index f677e07..5469c52 100644
--- a/drivers/rtc/rtc-at91sam9.c
+++ b/drivers/rtc/rtc-at91sam9.c
@@ -229,12 +229,6 @@
 	dev_dbg(dev, "ioctl: cmd=%08x, arg=%08lx, mr %08x\n", cmd, arg, mr);
 
 	switch (cmd) {
-	case RTC_AIE_OFF:		/* alarm off */
-		rtt_writel(rtc, MR, mr & ~AT91_RTT_ALMIEN);
-		break;
-	case RTC_AIE_ON:		/* alarm on */
-		rtt_writel(rtc, MR, mr | AT91_RTT_ALMIEN);
-		break;
 	case RTC_UIE_OFF:		/* update off */
 		rtt_writel(rtc, MR, mr & ~AT91_RTT_RTTINCIEN);
 		break;
@@ -249,6 +243,19 @@
 	return ret;
 }
 
+static int at91_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
+{
+	struct sam9_rtc *rtc = dev_get_drvdata(dev);
+	u32 mr = rtt_readl(rtc, MR);
+
+	dev_dbg(dev, "alarm_irq_enable: enabled=%08x, mr %08x\n", enabled, mr);
+	if (enabled)
+		rtt_writel(rtc, MR, mr | AT91_RTT_ALMIEN);
+	else
+		rtt_writel(rtc, MR, mr & ~AT91_RTT_ALMIEN);
+	return 0;
+}
+
 /*
  * Provide additional RTC information in /proc/driver/rtc
  */
@@ -302,6 +309,7 @@
 	.read_alarm	= at91_rtc_readalarm,
 	.set_alarm	= at91_rtc_setalarm,
 	.proc		= at91_rtc_proc,
+	.alarm_irq_enable = at91_rtc_alarm_irq_enable,
 };
 
 /*
diff --git a/drivers/rtc/rtc-bfin.c b/drivers/rtc/rtc-bfin.c
index b4b6087..17971d9 100644
--- a/drivers/rtc/rtc-bfin.c
+++ b/drivers/rtc/rtc-bfin.c
@@ -259,15 +259,6 @@
 		bfin_rtc_int_clear(~RTC_ISTAT_SEC);
 		break;
 
-	case RTC_AIE_ON:
-		dev_dbg_stamp(dev);
-		bfin_rtc_int_set_alarm(rtc);
-		break;
-	case RTC_AIE_OFF:
-		dev_dbg_stamp(dev);
-		bfin_rtc_int_clear(~(RTC_ISTAT_ALARM | RTC_ISTAT_ALARM_DAY));
-		break;
-
 	default:
 		dev_dbg_stamp(dev);
 		ret = -ENOIOCTLCMD;
@@ -276,6 +267,17 @@
 	return ret;
 }
 
+static int bfin_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
+{
+	struct bfin_rtc *rtc = dev_get_drvdata(dev);
+
+	dev_dbg_stamp(dev);
+	if (enabled)
+		bfin_rtc_int_set_alarm(rtc);
+	else
+		bfin_rtc_int_clear(~(RTC_ISTAT_ALARM | RTC_ISTAT_ALARM_DAY));
+}
+
 static int bfin_rtc_read_time(struct device *dev, struct rtc_time *tm)
 {
 	struct bfin_rtc *rtc = dev_get_drvdata(dev);
@@ -362,6 +364,7 @@
 	.read_alarm    = bfin_rtc_read_alarm,
 	.set_alarm     = bfin_rtc_set_alarm,
 	.proc          = bfin_rtc_proc,
+	.alarm_irq_enable = bfin_rtc_alarm_irq_enable,
 };
 
 static int __devinit bfin_rtc_probe(struct platform_device *pdev)
diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c
index 212b16e..d0e06ed 100644
--- a/drivers/rtc/rtc-dev.c
+++ b/drivers/rtc/rtc-dev.c
@@ -46,6 +46,105 @@
 	return err;
 }
 
+#ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL
+/*
+ * Routine to poll RTC seconds field for change as often as possible,
+ * after first RTC_UIE use timer to reduce polling
+ */
+static void rtc_uie_task(struct work_struct *work)
+{
+	struct rtc_device *rtc =
+		container_of(work, struct rtc_device, uie_task);
+	struct rtc_time tm;
+	int num = 0;
+	int err;
+
+	err = rtc_read_time(rtc, &tm);
+
+	spin_lock_irq(&rtc->irq_lock);
+	if (rtc->stop_uie_polling || err) {
+		rtc->uie_task_active = 0;
+	} else if (rtc->oldsecs != tm.tm_sec) {
+		num = (tm.tm_sec + 60 - rtc->oldsecs) % 60;
+		rtc->oldsecs = tm.tm_sec;
+		rtc->uie_timer.expires = jiffies + HZ - (HZ/10);
+		rtc->uie_timer_active = 1;
+		rtc->uie_task_active = 0;
+		add_timer(&rtc->uie_timer);
+	} else if (schedule_work(&rtc->uie_task) == 0) {
+		rtc->uie_task_active = 0;
+	}
+	spin_unlock_irq(&rtc->irq_lock);
+	if (num)
+		rtc_handle_legacy_irq(rtc, num, RTC_UF);
+}
+static void rtc_uie_timer(unsigned long data)
+{
+	struct rtc_device *rtc = (struct rtc_device *)data;
+	unsigned long flags;
+
+	spin_lock_irqsave(&rtc->irq_lock, flags);
+	rtc->uie_timer_active = 0;
+	rtc->uie_task_active = 1;
+	if ((schedule_work(&rtc->uie_task) == 0))
+		rtc->uie_task_active = 0;
+	spin_unlock_irqrestore(&rtc->irq_lock, flags);
+}
+
+static int clear_uie(struct rtc_device *rtc)
+{
+	spin_lock_irq(&rtc->irq_lock);
+	if (rtc->uie_irq_active) {
+		rtc->stop_uie_polling = 1;
+		if (rtc->uie_timer_active) {
+			spin_unlock_irq(&rtc->irq_lock);
+			del_timer_sync(&rtc->uie_timer);
+			spin_lock_irq(&rtc->irq_lock);
+			rtc->uie_timer_active = 0;
+		}
+		if (rtc->uie_task_active) {
+			spin_unlock_irq(&rtc->irq_lock);
+			flush_scheduled_work();
+			spin_lock_irq(&rtc->irq_lock);
+		}
+		rtc->uie_irq_active = 0;
+	}
+	spin_unlock_irq(&rtc->irq_lock);
+	return 0;
+}
+
+static int set_uie(struct rtc_device *rtc)
+{
+	struct rtc_time tm;
+	int err;
+
+	err = rtc_read_time(rtc, &tm);
+	if (err)
+		return err;
+	spin_lock_irq(&rtc->irq_lock);
+	if (!rtc->uie_irq_active) {
+		rtc->uie_irq_active = 1;
+		rtc->stop_uie_polling = 0;
+		rtc->oldsecs = tm.tm_sec;
+		rtc->uie_task_active = 1;
+		if (schedule_work(&rtc->uie_task) == 0)
+			rtc->uie_task_active = 0;
+	}
+	rtc->irq_data = 0;
+	spin_unlock_irq(&rtc->irq_lock);
+	return 0;
+}
+
+int rtc_dev_update_irq_enable_emul(struct rtc_device *rtc, unsigned int enabled)
+{
+	if (enabled)
+		return set_uie(rtc);
+	else
+		return clear_uie(rtc);
+}
+EXPORT_SYMBOL(rtc_dev_update_irq_enable_emul);
+
+#endif /* CONFIG_RTC_INTF_DEV_UIE_EMUL */
 
 static ssize_t
 rtc_dev_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
@@ -154,19 +253,7 @@
 	if (err)
 		goto done;
 
-	/* try the driver's ioctl interface */
-	if (ops->ioctl) {
-		err = ops->ioctl(rtc->dev.parent, cmd, arg);
-		if (err != -ENOIOCTLCMD) {
-			mutex_unlock(&rtc->ops_lock);
-			return err;
-		}
-	}
-
-	/* if the driver does not provide the ioctl interface
-	 * or if that particular ioctl was not implemented
-	 * (-ENOIOCTLCMD), we will try to emulate here.
-	 *
+	/*
 	 * Drivers *SHOULD NOT* provide ioctl implementations
 	 * for these requests.  Instead, provide methods to
 	 * support the following code, so that the RTC's main
@@ -329,7 +416,12 @@
 		return err;
 
 	default:
-		err = -ENOTTY;
+		/* Finally try the driver's ioctl interface */
+		if (ops->ioctl) {
+			err = ops->ioctl(rtc->dev.parent, cmd, arg);
+			if (err == -ENOIOCTLCMD)
+				err = -ENOTTY;
+		}
 		break;
 	}
 
@@ -394,6 +486,11 @@
 
 	rtc->dev.devt = MKDEV(MAJOR(rtc_devt), rtc->id);
 
+#ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL
+	INIT_WORK(&rtc->uie_task, rtc_uie_task);
+	setup_timer(&rtc->uie_timer, rtc_uie_timer, (unsigned long)rtc);
+#endif
+
 	cdev_init(&rtc->char_dev, &rtc_dev_fops);
 	rtc->char_dev.owner = rtc->owner;
 }
diff --git a/drivers/rtc/rtc-ds1286.c b/drivers/rtc/rtc-ds1286.c
index bf430f9..60ce696 100644
--- a/drivers/rtc/rtc-ds1286.c
+++ b/drivers/rtc/rtc-ds1286.c
@@ -40,6 +40,26 @@
 	__raw_writel(data, &priv->rtcregs[reg]);
 }
 
+
+static int ds1286_alarm_irq_enable(struct device *dev, unsigned int enabled)
+{
+	struct ds1286_priv *priv = dev_get_drvdata(dev);
+	unsigned long flags;
+	unsigned char val;
+
+	/* Allow or mask alarm interrupts */
+	spin_lock_irqsave(&priv->lock, flags);
+	val = ds1286_rtc_read(priv, RTC_CMD);
+	if (enabled)
+		val &=  ~RTC_TDM;
+	else
+		val |=  RTC_TDM;
+	ds1286_rtc_write(priv, val, RTC_CMD);
+	spin_unlock_irqrestore(&priv->lock, flags);
+
+	return 0;
+}
+
 #ifdef CONFIG_RTC_INTF_DEV
 
 static int ds1286_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
@@ -49,22 +69,6 @@
 	unsigned char val;
 
 	switch (cmd) {
-	case RTC_AIE_OFF:
-		/* Mask alarm int. enab. bit	*/
-		spin_lock_irqsave(&priv->lock, flags);
-		val = ds1286_rtc_read(priv, RTC_CMD);
-		val |=  RTC_TDM;
-		ds1286_rtc_write(priv, val, RTC_CMD);
-		spin_unlock_irqrestore(&priv->lock, flags);
-		break;
-	case RTC_AIE_ON:
-		/* Allow alarm interrupts.	*/
-		spin_lock_irqsave(&priv->lock, flags);
-		val = ds1286_rtc_read(priv, RTC_CMD);
-		val &=  ~RTC_TDM;
-		ds1286_rtc_write(priv, val, RTC_CMD);
-		spin_unlock_irqrestore(&priv->lock, flags);
-		break;
 	case RTC_WIE_OFF:
 		/* Mask watchdog int. enab. bit	*/
 		spin_lock_irqsave(&priv->lock, flags);
@@ -316,12 +320,13 @@
 }
 
 static const struct rtc_class_ops ds1286_ops = {
-	.ioctl   	= ds1286_ioctl,
-	.proc   	= ds1286_proc,
+	.ioctl		= ds1286_ioctl,
+	.proc		= ds1286_proc,
 	.read_time	= ds1286_read_time,
 	.set_time	= ds1286_set_time,
 	.read_alarm	= ds1286_read_alarm,
 	.set_alarm	= ds1286_set_alarm,
+	.alarm_irq_enable = ds1286_alarm_irq_enable,
 };
 
 static int __devinit ds1286_probe(struct platform_device *pdev)
diff --git a/drivers/rtc/rtc-ds1305.c b/drivers/rtc/rtc-ds1305.c
index 077af1d..57fbcc1 100644
--- a/drivers/rtc/rtc-ds1305.c
+++ b/drivers/rtc/rtc-ds1305.c
@@ -139,49 +139,32 @@
  * Interface to RTC framework
  */
 
-#ifdef CONFIG_RTC_INTF_DEV
-
-/*
- * Context: caller holds rtc->ops_lock (to protect ds1305->ctrl)
- */
-static int ds1305_ioctl(struct device *dev, unsigned cmd, unsigned long arg)
+static int ds1305_alarm_irq_enable(struct device *dev, unsigned int enabled)
 {
 	struct ds1305	*ds1305 = dev_get_drvdata(dev);
 	u8		buf[2];
-	int		status = -ENOIOCTLCMD;
+	long		err = -EINVAL;
 
 	buf[0] = DS1305_WRITE | DS1305_CONTROL;
 	buf[1] = ds1305->ctrl[0];
 
-	switch (cmd) {
-	case RTC_AIE_OFF:
-		status = 0;
-		if (!(buf[1] & DS1305_AEI0))
-			goto done;
-		buf[1] &= ~DS1305_AEI0;
-		break;
-
-	case RTC_AIE_ON:
-		status = 0;
+	if (enabled) {
 		if (ds1305->ctrl[0] & DS1305_AEI0)
 			goto done;
 		buf[1] |= DS1305_AEI0;
-		break;
+	} else {
+		if (!(buf[1] & DS1305_AEI0))
+			goto done;
+		buf[1] &= ~DS1305_AEI0;
 	}
-	if (status == 0) {
-		status = spi_write_then_read(ds1305->spi, buf, sizeof buf,
-				NULL, 0);
-		if (status >= 0)
-			ds1305->ctrl[0] = buf[1];
-	}
-
+	err = spi_write_then_read(ds1305->spi, buf, sizeof buf, NULL, 0);
+	if (err >= 0)
+		ds1305->ctrl[0] = buf[1];
 done:
-	return status;
+	return err;
+
 }
 
-#else
-#define ds1305_ioctl	NULL
-#endif
 
 /*
  * Get/set of date and time is pretty normal.
@@ -460,12 +443,12 @@
 #endif
 
 static const struct rtc_class_ops ds1305_ops = {
-	.ioctl		= ds1305_ioctl,
 	.read_time	= ds1305_get_time,
 	.set_time	= ds1305_set_time,
 	.read_alarm	= ds1305_get_alarm,
 	.set_alarm	= ds1305_set_alarm,
 	.proc		= ds1305_proc,
+	.alarm_irq_enable = ds1305_alarm_irq_enable,
 };
 
 static void ds1305_work(struct work_struct *work)
diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c
index 0d559b6..4724ba3 100644
--- a/drivers/rtc/rtc-ds1307.c
+++ b/drivers/rtc/rtc-ds1307.c
@@ -495,50 +495,27 @@
 	return 0;
 }
 
-static int ds1307_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
+static int ds1307_alarm_irq_enable(struct device *dev, unsigned int enabled)
 {
 	struct i2c_client	*client = to_i2c_client(dev);
 	struct ds1307		*ds1307 = i2c_get_clientdata(client);
 	int			ret;
 
-	switch (cmd) {
-	case RTC_AIE_OFF:
-		if (!test_bit(HAS_ALARM, &ds1307->flags))
-			return -ENOTTY;
+	if (!test_bit(HAS_ALARM, &ds1307->flags))
+		return -ENOTTY;
 
-		ret = i2c_smbus_read_byte_data(client, DS1337_REG_CONTROL);
-		if (ret < 0)
-			return ret;
+	ret = i2c_smbus_read_byte_data(client, DS1337_REG_CONTROL);
+	if (ret < 0)
+		return ret;
 
+	if (enabled)
+		ret |= DS1337_BIT_A1IE;
+	else
 		ret &= ~DS1337_BIT_A1IE;
 
-		ret = i2c_smbus_write_byte_data(client,
-						DS1337_REG_CONTROL, ret);
-		if (ret < 0)
-			return ret;
-
-		break;
-
-	case RTC_AIE_ON:
-		if (!test_bit(HAS_ALARM, &ds1307->flags))
-			return -ENOTTY;
-
-		ret = i2c_smbus_read_byte_data(client, DS1337_REG_CONTROL);
-		if (ret < 0)
-			return ret;
-
-		ret |= DS1337_BIT_A1IE;
-
-		ret = i2c_smbus_write_byte_data(client,
-						DS1337_REG_CONTROL, ret);
-		if (ret < 0)
-			return ret;
-
-		break;
-
-	default:
-		return -ENOIOCTLCMD;
-	}
+	ret = i2c_smbus_write_byte_data(client, DS1337_REG_CONTROL, ret);
+	if (ret < 0)
+		return ret;
 
 	return 0;
 }
@@ -548,7 +525,7 @@
 	.set_time	= ds1307_set_time,
 	.read_alarm	= ds1337_read_alarm,
 	.set_alarm	= ds1337_set_alarm,
-	.ioctl		= ds1307_ioctl,
+	.alarm_irq_enable = ds1307_alarm_irq_enable,
 };
 
 /*----------------------------------------------------------------------*/
diff --git a/drivers/rtc/rtc-ds1374.c b/drivers/rtc/rtc-ds1374.c
index 47fb635..d834a63 100644
--- a/drivers/rtc/rtc-ds1374.c
+++ b/drivers/rtc/rtc-ds1374.c
@@ -307,42 +307,25 @@
 	mutex_unlock(&ds1374->mutex);
 }
 
-static int ds1374_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
+static int ds1374_alarm_irq_enable(struct device *dev, unsigned int enabled)
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct ds1374 *ds1374 = i2c_get_clientdata(client);
-	int ret = -ENOIOCTLCMD;
+	int ret;
 
 	mutex_lock(&ds1374->mutex);
 
-	switch (cmd) {
-	case RTC_AIE_OFF:
-		ret = i2c_smbus_read_byte_data(client, DS1374_REG_CR);
-		if (ret < 0)
-			goto out;
+	ret = i2c_smbus_read_byte_data(client, DS1374_REG_CR);
+	if (ret < 0)
+		goto out;
 
-		ret &= ~DS1374_REG_CR_WACE;
-
-		ret = i2c_smbus_write_byte_data(client, DS1374_REG_CR, ret);
-		if (ret < 0)
-			goto out;
-
-		break;
-
-	case RTC_AIE_ON:
-		ret = i2c_smbus_read_byte_data(client, DS1374_REG_CR);
-		if (ret < 0)
-			goto out;
-
+	if (enabled) {
 		ret |= DS1374_REG_CR_WACE | DS1374_REG_CR_AIE;
 		ret &= ~DS1374_REG_CR_WDALM;
-
-		ret = i2c_smbus_write_byte_data(client, DS1374_REG_CR, ret);
-		if (ret < 0)
-			goto out;
-
-		break;
+	} else {
+		ret &= ~DS1374_REG_CR_WACE;
 	}
+	ret = i2c_smbus_write_byte_data(client, DS1374_REG_CR, ret);
 
 out:
 	mutex_unlock(&ds1374->mutex);
@@ -354,7 +337,7 @@
 	.set_time = ds1374_set_time,
 	.read_alarm = ds1374_read_alarm,
 	.set_alarm = ds1374_set_alarm,
-	.ioctl = ds1374_ioctl,
+	.alarm_irq_enable = ds1374_alarm_irq_enable,
 };
 
 static int ds1374_probe(struct i2c_client *client,
diff --git a/drivers/rtc/rtc-ds3232.c b/drivers/rtc/rtc-ds3232.c
index 23a9ee1..9507354 100644
--- a/drivers/rtc/rtc-ds3232.c
+++ b/drivers/rtc/rtc-ds3232.c
@@ -1,7 +1,7 @@
 /*
  * RTC client/driver for the Maxim/Dallas DS3232 Real-Time Clock over I2C
  *
- * Copyright (C) 2009-2010 Freescale Semiconductor.
+ * Copyright (C) 2009-2011 Freescale Semiconductor.
  * Author: Jack Lan <jack.lan@freescale.com>
  *
  * This program is free software; you can redistribute  it and/or modify it
@@ -141,9 +141,11 @@
 		time->tm_hour = bcd2bin(hour);
 	}
 
-	time->tm_wday = bcd2bin(week);
+	/* Day of the week in linux range is 0~6 while 1~7 in RTC chip */
+	time->tm_wday = bcd2bin(week) - 1;
 	time->tm_mday = bcd2bin(day);
-	time->tm_mon = bcd2bin(month & 0x7F);
+	/* linux tm_mon range:0~11, while month range is 1~12 in RTC chip */
+	time->tm_mon = bcd2bin(month & 0x7F) - 1;
 	if (century)
 		add_century = 100;
 
@@ -162,9 +164,11 @@
 	buf[0] = bin2bcd(time->tm_sec);
 	buf[1] = bin2bcd(time->tm_min);
 	buf[2] = bin2bcd(time->tm_hour);
-	buf[3] = bin2bcd(time->tm_wday); /* Day of the week */
+	/* Day of the week in linux range is 0~6 while 1~7 in RTC chip */
+	buf[3] = bin2bcd(time->tm_wday + 1);
 	buf[4] = bin2bcd(time->tm_mday); /* Date */
-	buf[5] = bin2bcd(time->tm_mon);
+	/* linux tm_mon range:0~11, while month range is 1~12 in RTC chip */
+	buf[5] = bin2bcd(time->tm_mon + 1);
 	if (time->tm_year >= 100) {
 		buf[5] |= 0x80;
 		buf[6] = bin2bcd(time->tm_year - 100);
diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c
index 5a8daa3..69fe664 100644
--- a/drivers/rtc/rtc-m41t80.c
+++ b/drivers/rtc/rtc-m41t80.c
@@ -213,41 +213,27 @@
 	return m41t80_set_datetime(to_i2c_client(dev), tm);
 }
 
-#if defined(CONFIG_RTC_INTF_DEV) || defined(CONFIG_RTC_INTF_DEV_MODULE)
-static int
-m41t80_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
+static int m41t80_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	int rc;
 
-	switch (cmd) {
-	case RTC_AIE_OFF:
-	case RTC_AIE_ON:
-		break;
-	default:
-		return -ENOIOCTLCMD;
-	}
-
 	rc = i2c_smbus_read_byte_data(client, M41T80_REG_ALARM_MON);
 	if (rc < 0)
 		goto err;
-	switch (cmd) {
-	case RTC_AIE_OFF:
-		rc &= ~M41T80_ALMON_AFE;
-		break;
-	case RTC_AIE_ON:
+
+	if (enabled)
 		rc |= M41T80_ALMON_AFE;
-		break;
-	}
+	else
+		rc &= ~M41T80_ALMON_AFE;
+
 	if (i2c_smbus_write_byte_data(client, M41T80_REG_ALARM_MON, rc) < 0)
 		goto err;
+
 	return 0;
 err:
 	return -EIO;
 }
-#else
-#define	m41t80_rtc_ioctl NULL
-#endif
 
 static int m41t80_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *t)
 {
@@ -374,7 +360,7 @@
 	.read_alarm = m41t80_rtc_read_alarm,
 	.set_alarm = m41t80_rtc_set_alarm,
 	.proc = m41t80_rtc_proc,
-	.ioctl = m41t80_rtc_ioctl,
+	.alarm_irq_enable = m41t80_rtc_alarm_irq_enable,
 };
 
 #if defined(CONFIG_RTC_INTF_SYSFS) || defined(CONFIG_RTC_INTF_SYSFS_MODULE)
diff --git a/drivers/rtc/rtc-m48t59.c b/drivers/rtc/rtc-m48t59.c
index a99a0b5..3978f4c 100644
--- a/drivers/rtc/rtc-m48t59.c
+++ b/drivers/rtc/rtc-m48t59.c
@@ -263,30 +263,21 @@
 /*
  * Handle commands from user-space
  */
-static int m48t59_rtc_ioctl(struct device *dev, unsigned int cmd,
-			unsigned long arg)
+static int m48t59_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
 {
 	struct platform_device *pdev = to_platform_device(dev);
 	struct m48t59_plat_data *pdata = pdev->dev.platform_data;
 	struct m48t59_private *m48t59 = platform_get_drvdata(pdev);
 	unsigned long flags;
-	int ret = 0;
 
 	spin_lock_irqsave(&m48t59->lock, flags);
-	switch (cmd) {
-	case RTC_AIE_OFF:	/* alarm interrupt off */
-		M48T59_WRITE(0x00, M48T59_INTR);
-		break;
-	case RTC_AIE_ON:	/* alarm interrupt on */
+	if (enabled)
 		M48T59_WRITE(M48T59_INTR_AFE, M48T59_INTR);
-		break;
-	default:
-		ret = -ENOIOCTLCMD;
-		break;
-	}
+	else
+		M48T59_WRITE(0x00, M48T59_INTR);
 	spin_unlock_irqrestore(&m48t59->lock, flags);
 
-	return ret;
+	return 0;
 }
 
 static int m48t59_rtc_proc(struct device *dev, struct seq_file *seq)
@@ -330,12 +321,12 @@
 }
 
 static const struct rtc_class_ops m48t59_rtc_ops = {
-	.ioctl		= m48t59_rtc_ioctl,
 	.read_time	= m48t59_rtc_read_time,
 	.set_time	= m48t59_rtc_set_time,
 	.read_alarm	= m48t59_rtc_readalarm,
 	.set_alarm	= m48t59_rtc_setalarm,
 	.proc		= m48t59_rtc_proc,
+	.alarm_irq_enable = m48t59_rtc_alarm_irq_enable,
 };
 
 static const struct rtc_class_ops m48t02_rtc_ops = {
diff --git a/drivers/rtc/rtc-mrst.c b/drivers/rtc/rtc-mrst.c
index bcd0cf6..1db62db 100644
--- a/drivers/rtc/rtc-mrst.c
+++ b/drivers/rtc/rtc-mrst.c
@@ -255,42 +255,21 @@
 	return 0;
 }
 
-#if defined(CONFIG_RTC_INTF_DEV) || defined(CONFIG_RTC_INTF_DEV_MODULE)
-
 /* Currently, the vRTC doesn't support UIE ON/OFF */
-static int
-mrst_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
+static int mrst_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
 {
 	struct mrst_rtc	*mrst = dev_get_drvdata(dev);
 	unsigned long	flags;
 
-	switch (cmd) {
-	case RTC_AIE_OFF:
-	case RTC_AIE_ON:
-		if (!mrst->irq)
-			return -EINVAL;
-		break;
-	default:
-		/* PIE ON/OFF is handled by mrst_irq_set_state() */
-		return -ENOIOCTLCMD;
-	}
-
 	spin_lock_irqsave(&rtc_lock, flags);
-	switch (cmd) {
-	case RTC_AIE_OFF:	/* alarm off */
-		mrst_irq_disable(mrst, RTC_AIE);
-		break;
-	case RTC_AIE_ON:	/* alarm on */
+	if (enabled)
 		mrst_irq_enable(mrst, RTC_AIE);
-		break;
-	}
+	else
+		mrst_irq_disable(mrst, RTC_AIE);
 	spin_unlock_irqrestore(&rtc_lock, flags);
 	return 0;
 }
 
-#else
-#define	mrst_rtc_ioctl	NULL
-#endif
 
 #if defined(CONFIG_RTC_INTF_PROC) || defined(CONFIG_RTC_INTF_PROC_MODULE)
 
@@ -317,13 +296,13 @@
 #endif
 
 static const struct rtc_class_ops mrst_rtc_ops = {
-	.ioctl		= mrst_rtc_ioctl,
 	.read_time	= mrst_read_time,
 	.set_time	= mrst_set_time,
 	.read_alarm	= mrst_read_alarm,
 	.set_alarm	= mrst_set_alarm,
 	.proc		= mrst_procfs,
 	.irq_set_state	= mrst_irq_set_state,
+	.alarm_irq_enable = mrst_rtc_alarm_irq_enable,
 };
 
 static struct mrst_rtc	mrst_rtc;
diff --git a/drivers/rtc/rtc-msm6242.c b/drivers/rtc/rtc-msm6242.c
index b2fff0c..6782062 100644
--- a/drivers/rtc/rtc-msm6242.c
+++ b/drivers/rtc/rtc-msm6242.c
@@ -82,7 +82,7 @@
 static inline void msm6242_write(struct msm6242_priv *priv, unsigned int val,
 				unsigned int reg)
 {
-	return __raw_writel(val, &priv->regs[reg]);
+	__raw_writel(val, &priv->regs[reg]);
 }
 
 static inline void msm6242_set(struct msm6242_priv *priv, unsigned int val,
diff --git a/drivers/rtc/rtc-mv.c b/drivers/rtc/rtc-mv.c
index bcca472..60627a7 100644
--- a/drivers/rtc/rtc-mv.c
+++ b/drivers/rtc/rtc-mv.c
@@ -169,25 +169,19 @@
 	return 0;
 }
 
-static int mv_rtc_ioctl(struct device *dev, unsigned int cmd,
-			unsigned long arg)
+static int mv_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
 {
 	struct platform_device *pdev = to_platform_device(dev);
 	struct rtc_plat_data *pdata = platform_get_drvdata(pdev);
 	void __iomem *ioaddr = pdata->ioaddr;
 
 	if (pdata->irq < 0)
-		return -ENOIOCTLCMD; /* fall back into rtc-dev's emulation */
-	switch (cmd) {
-	case RTC_AIE_OFF:
-		writel(0, ioaddr + RTC_ALARM_INTERRUPT_MASK_REG_OFFS);
-		break;
-	case RTC_AIE_ON:
+		return -EINVAL; /* fall back into rtc-dev's emulation */
+
+	if (enabled)
 		writel(1, ioaddr + RTC_ALARM_INTERRUPT_MASK_REG_OFFS);
-		break;
-	default:
-		return -ENOIOCTLCMD;
-	}
+	else
+		writel(0, ioaddr + RTC_ALARM_INTERRUPT_MASK_REG_OFFS);
 	return 0;
 }
 
@@ -216,7 +210,7 @@
 	.set_time	= mv_rtc_set_time,
 	.read_alarm	= mv_rtc_read_alarm,
 	.set_alarm	= mv_rtc_set_alarm,
-	.ioctl		= mv_rtc_ioctl,
+	.alarm_irq_enable = mv_rtc_alarm_irq_enable,
 };
 
 static int __devinit mv_rtc_probe(struct platform_device *pdev)
diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c
index e72b523..b4dbf3a3 100644
--- a/drivers/rtc/rtc-omap.c
+++ b/drivers/rtc/rtc-omap.c
@@ -143,8 +143,6 @@
 	u8 reg;
 
 	switch (cmd) {
-	case RTC_AIE_OFF:
-	case RTC_AIE_ON:
 	case RTC_UIE_OFF:
 	case RTC_UIE_ON:
 		break;
@@ -156,13 +154,6 @@
 	rtc_wait_not_busy();
 	reg = rtc_read(OMAP_RTC_INTERRUPTS_REG);
 	switch (cmd) {
-	/* AIE = Alarm Interrupt Enable */
-	case RTC_AIE_OFF:
-		reg &= ~OMAP_RTC_INTERRUPTS_IT_ALARM;
-		break;
-	case RTC_AIE_ON:
-		reg |= OMAP_RTC_INTERRUPTS_IT_ALARM;
-		break;
 	/* UIE = Update Interrupt Enable (1/second) */
 	case RTC_UIE_OFF:
 		reg &= ~OMAP_RTC_INTERRUPTS_IT_TIMER;
@@ -182,6 +173,24 @@
 #define	omap_rtc_ioctl	NULL
 #endif
 
+static int omap_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
+{
+	u8 reg;
+
+	local_irq_disable();
+	rtc_wait_not_busy();
+	reg = rtc_read(OMAP_RTC_INTERRUPTS_REG);
+	if (enabled)
+		reg |= OMAP_RTC_INTERRUPTS_IT_ALARM;
+	else
+		reg &= ~OMAP_RTC_INTERRUPTS_IT_ALARM;
+	rtc_wait_not_busy();
+	rtc_write(reg, OMAP_RTC_INTERRUPTS_REG);
+	local_irq_enable();
+
+	return 0;
+}
+
 /* this hardware doesn't support "don't care" alarm fields */
 static int tm2bcd(struct rtc_time *tm)
 {
@@ -309,6 +318,7 @@
 	.set_time	= omap_rtc_set_time,
 	.read_alarm	= omap_rtc_read_alarm,
 	.set_alarm	= omap_rtc_set_alarm,
+	.alarm_irq_enable = omap_rtc_alarm_irq_enable,
 };
 
 static int omap_rtc_alarm;
diff --git a/drivers/rtc/rtc-proc.c b/drivers/rtc/rtc-proc.c
index c086fc3..242bbf8 100644
--- a/drivers/rtc/rtc-proc.c
+++ b/drivers/rtc/rtc-proc.c
@@ -81,12 +81,16 @@
 
 static int rtc_proc_open(struct inode *inode, struct file *file)
 {
+	int ret;
 	struct rtc_device *rtc = PDE(inode)->data;
 
 	if (!try_module_get(THIS_MODULE))
 		return -ENODEV;
 
-	return single_open(file, rtc_proc_show, rtc);
+	ret = single_open(file, rtc_proc_show, rtc);
+	if (ret)
+		module_put(THIS_MODULE);
+	return ret;
 }
 
 static int rtc_proc_release(struct inode *inode, struct file *file)
diff --git a/drivers/rtc/rtc-rp5c01.c b/drivers/rtc/rtc-rp5c01.c
index 36eb661..694da39 100644
--- a/drivers/rtc/rtc-rp5c01.c
+++ b/drivers/rtc/rtc-rp5c01.c
@@ -76,7 +76,7 @@
 static inline void rp5c01_write(struct rp5c01_priv *priv, unsigned int val,
 				unsigned int reg)
 {
-	return __raw_writel(val, &priv->regs[reg]);
+	__raw_writel(val, &priv->regs[reg]);
 }
 
 static void rp5c01_lock(struct rp5c01_priv *priv)
diff --git a/drivers/rtc/rtc-rs5c372.c b/drivers/rtc/rtc-rs5c372.c
index dd14e20..6aaa155 100644
--- a/drivers/rtc/rtc-rs5c372.c
+++ b/drivers/rtc/rtc-rs5c372.c
@@ -299,14 +299,6 @@
 		if (rs5c->type == rtc_rs5c372a
 				&& (buf & RS5C372A_CTRL1_SL1))
 			return -ENOIOCTLCMD;
-	case RTC_AIE_OFF:
-	case RTC_AIE_ON:
-		/* these irq management calls only make sense for chips
-		 * which are wired up to an IRQ.
-		 */
-		if (!rs5c->has_irq)
-			return -ENOIOCTLCMD;
-		break;
 	default:
 		return -ENOIOCTLCMD;
 	}
@@ -317,12 +309,6 @@
 
 	addr = RS5C_ADDR(RS5C_REG_CTRL1);
 	switch (cmd) {
-	case RTC_AIE_OFF:	/* alarm off */
-		buf &= ~RS5C_CTRL1_AALE;
-		break;
-	case RTC_AIE_ON:	/* alarm on */
-		buf |= RS5C_CTRL1_AALE;
-		break;
 	case RTC_UIE_OFF:	/* update off */
 		buf &= ~RS5C_CTRL1_CT_MASK;
 		break;
@@ -347,6 +333,39 @@
 #endif
 
 
+static int rs5c_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
+{
+	struct i2c_client	*client = to_i2c_client(dev);
+	struct rs5c372		*rs5c = i2c_get_clientdata(client);
+	unsigned char		buf;
+	int			status, addr;
+
+	buf = rs5c->regs[RS5C_REG_CTRL1];
+
+	if (!rs5c->has_irq)
+		return -EINVAL;
+
+	status = rs5c_get_regs(rs5c);
+	if (status < 0)
+		return status;
+
+	addr = RS5C_ADDR(RS5C_REG_CTRL1);
+	if (enabled)
+		buf |= RS5C_CTRL1_AALE;
+	else
+		buf &= ~RS5C_CTRL1_AALE;
+
+	if (i2c_smbus_write_byte_data(client, addr, buf) < 0) {
+		printk(KERN_WARNING "%s: can't update alarm\n",
+			rs5c->rtc->name);
+		status = -EIO;
+	} else
+		rs5c->regs[RS5C_REG_CTRL1] = buf;
+
+	return status;
+}
+
+
 /* NOTE:  Since RTC_WKALM_{RD,SET} were originally defined for EFI,
  * which only exposes a polled programming interface; and since
  * these calls map directly to those EFI requests; we don't demand
@@ -466,6 +485,7 @@
 	.set_time	= rs5c372_rtc_set_time,
 	.read_alarm	= rs5c_read_alarm,
 	.set_alarm	= rs5c_set_alarm,
+	.alarm_irq_enable = rs5c_rtc_alarm_irq_enable,
 };
 
 #if defined(CONFIG_RTC_INTF_SYSFS) || defined(CONFIG_RTC_INTF_SYSFS_MODULE)
diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c
index 88ea52b..5dfe5ff 100644
--- a/drivers/rtc/rtc-sa1100.c
+++ b/drivers/rtc/rtc-sa1100.c
@@ -314,16 +314,6 @@
 		unsigned long arg)
 {
 	switch (cmd) {
-	case RTC_AIE_OFF:
-		spin_lock_irq(&sa1100_rtc_lock);
-		RTSR &= ~RTSR_ALE;
-		spin_unlock_irq(&sa1100_rtc_lock);
-		return 0;
-	case RTC_AIE_ON:
-		spin_lock_irq(&sa1100_rtc_lock);
-		RTSR |= RTSR_ALE;
-		spin_unlock_irq(&sa1100_rtc_lock);
-		return 0;
 	case RTC_UIE_OFF:
 		spin_lock_irq(&sa1100_rtc_lock);
 		RTSR &= ~RTSR_HZE;
@@ -338,6 +328,17 @@
 	return -ENOIOCTLCMD;
 }
 
+static int sa1100_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
+{
+	spin_lock_irq(&sa1100_rtc_lock);
+	if (enabled)
+		RTSR |= RTSR_ALE;
+	else
+		RTSR &= ~RTSR_ALE;
+	spin_unlock_irq(&sa1100_rtc_lock);
+	return 0;
+}
+
 static int sa1100_rtc_read_time(struct device *dev, struct rtc_time *tm)
 {
 	rtc_time_to_tm(RCNR, tm);
@@ -410,6 +411,7 @@
 	.proc = sa1100_rtc_proc,
 	.irq_set_freq = sa1100_irq_set_freq,
 	.irq_set_state = sa1100_irq_set_state,
+	.alarm_irq_enable = sa1100_rtc_alarm_irq_enable,
 };
 
 static int sa1100_rtc_probe(struct platform_device *pdev)
diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c
index 06e41ed..93314a9 100644
--- a/drivers/rtc/rtc-sh.c
+++ b/drivers/rtc/rtc-sh.c
@@ -350,10 +350,6 @@
 	unsigned int ret = 0;
 
 	switch (cmd) {
-	case RTC_AIE_OFF:
-	case RTC_AIE_ON:
-		sh_rtc_setaie(dev, cmd == RTC_AIE_ON);
-		break;
 	case RTC_UIE_OFF:
 		rtc->periodic_freq &= ~PF_OXS;
 		sh_rtc_setcie(dev, 0);
@@ -369,6 +365,12 @@
 	return ret;
 }
 
+static int sh_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
+{
+	sh_rtc_setaie(dev, enabled);
+	return 0;
+}
+
 static int sh_rtc_read_time(struct device *dev, struct rtc_time *tm)
 {
 	struct platform_device *pdev = to_platform_device(dev);
@@ -604,6 +606,7 @@
 	.irq_set_state	= sh_rtc_irq_set_state,
 	.irq_set_freq	= sh_rtc_irq_set_freq,
 	.proc		= sh_rtc_proc,
+	.alarm_irq_enable = sh_rtc_alarm_irq_enable,
 };
 
 static int __init sh_rtc_probe(struct platform_device *pdev)
diff --git a/drivers/rtc/rtc-test.c b/drivers/rtc/rtc-test.c
index 51725f7..a82d6fe 100644
--- a/drivers/rtc/rtc-test.c
+++ b/drivers/rtc/rtc-test.c
@@ -50,24 +50,9 @@
 	return 0;
 }
 
-static int test_rtc_ioctl(struct device *dev, unsigned int cmd,
-	unsigned long arg)
+static int test_rtc_alarm_irq_enable(struct device *dev, unsigned int enable)
 {
-	/* We do support interrupts, they're generated
-	 * using the sysfs interface.
-	 */
-	switch (cmd) {
-	case RTC_PIE_ON:
-	case RTC_PIE_OFF:
-	case RTC_UIE_ON:
-	case RTC_UIE_OFF:
-	case RTC_AIE_ON:
-	case RTC_AIE_OFF:
-		return 0;
-
-	default:
-		return -ENOIOCTLCMD;
-	}
+	return 0;
 }
 
 static const struct rtc_class_ops test_rtc_ops = {
@@ -76,7 +61,7 @@
 	.read_alarm = test_rtc_read_alarm,
 	.set_alarm = test_rtc_set_alarm,
 	.set_mmss = test_rtc_set_mmss,
-	.ioctl = test_rtc_ioctl,
+	.alarm_irq_enable = test_rtc_alarm_irq_enable,
 };
 
 static ssize_t test_irq_show(struct device *dev,
diff --git a/drivers/rtc/rtc-vr41xx.c b/drivers/rtc/rtc-vr41xx.c
index c324424..769190a 100644
--- a/drivers/rtc/rtc-vr41xx.c
+++ b/drivers/rtc/rtc-vr41xx.c
@@ -240,26 +240,6 @@
 static int vr41xx_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
 {
 	switch (cmd) {
-	case RTC_AIE_ON:
-		spin_lock_irq(&rtc_lock);
-
-		if (!alarm_enabled) {
-			enable_irq(aie_irq);
-			alarm_enabled = 1;
-		}
-
-		spin_unlock_irq(&rtc_lock);
-		break;
-	case RTC_AIE_OFF:
-		spin_lock_irq(&rtc_lock);
-
-		if (alarm_enabled) {
-			disable_irq(aie_irq);
-			alarm_enabled = 0;
-		}
-
-		spin_unlock_irq(&rtc_lock);
-		break;
 	case RTC_EPOCH_READ:
 		return put_user(epoch, (unsigned long __user *)arg);
 	case RTC_EPOCH_SET:
@@ -275,6 +255,24 @@
 	return 0;
 }
 
+static int vr41xx_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
+{
+	spin_lock_irq(&rtc_lock);
+	if (enabled) {
+		if (!alarm_enabled) {
+			enable_irq(aie_irq);
+			alarm_enabled = 1;
+		}
+	} else {
+		if (alarm_enabled) {
+			disable_irq(aie_irq);
+			alarm_enabled = 0;
+		}
+	}
+	spin_unlock_irq(&rtc_lock);
+	return 0;
+}
+
 static irqreturn_t elapsedtime_interrupt(int irq, void *dev_id)
 {
 	struct platform_device *pdev = (struct platform_device *)dev_id;
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index 318672d..a9fe23d 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -72,7 +72,7 @@
 static struct ccw_device_id dasd_eckd_ids[] = {
 	{ CCW_DEVICE_DEVTYPE (0x3990, 0, 0x3390, 0), .driver_info = 0x1},
 	{ CCW_DEVICE_DEVTYPE (0x2105, 0, 0x3390, 0), .driver_info = 0x2},
-	{ CCW_DEVICE_DEVTYPE (0x3880, 0, 0x3390, 0), .driver_info = 0x3},
+	{ CCW_DEVICE_DEVTYPE (0x3880, 0, 0x3380, 0), .driver_info = 0x3},
 	{ CCW_DEVICE_DEVTYPE (0x3990, 0, 0x3380, 0), .driver_info = 0x4},
 	{ CCW_DEVICE_DEVTYPE (0x2105, 0, 0x3380, 0), .driver_info = 0x5},
 	{ CCW_DEVICE_DEVTYPE (0x9343, 0, 0x9345, 0), .driver_info = 0x6},
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 44578b5..d3e58d7 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -1561,6 +1561,7 @@
 {
 	struct Scsi_Host *host = rport_to_shost(rport);
 	fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
+	unsigned long flags;
 
 	if (!fcport)
 		return;
@@ -1573,10 +1574,10 @@
 	 * Transport has effectively 'deleted' the rport, clear
 	 * all local references.
 	 */
-	spin_lock_irq(host->host_lock);
+	spin_lock_irqsave(host->host_lock, flags);
 	fcport->rport = fcport->drport = NULL;
 	*((fc_port_t **)rport->dd_data) = NULL;
-	spin_unlock_irq(host->host_lock);
+	spin_unlock_irqrestore(host->host_lock, flags);
 
 	if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
 		return;
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index f948e1a..d9479c3 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -2505,11 +2505,12 @@
 {
 	fc_port_t *fcport = data;
 	struct fc_rport *rport;
+	unsigned long flags;
 
-	spin_lock_irq(fcport->vha->host->host_lock);
+	spin_lock_irqsave(fcport->vha->host->host_lock, flags);
 	rport = fcport->drport ? fcport->drport: fcport->rport;
 	fcport->drport = NULL;
-	spin_unlock_irq(fcport->vha->host->host_lock);
+	spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
 	if (rport)
 		fc_remote_port_delete(rport);
 }
@@ -2879,6 +2880,7 @@
 	struct fc_rport_identifiers rport_ids;
 	struct fc_rport *rport;
 	struct qla_hw_data *ha = vha->hw;
+	unsigned long flags;
 
 	qla2x00_rport_del(fcport);
 
@@ -2893,9 +2895,9 @@
 		    "Unable to allocate fc remote port!\n");
 		return;
 	}
-	spin_lock_irq(fcport->vha->host->host_lock);
+	spin_lock_irqsave(fcport->vha->host->host_lock, flags);
 	*((fc_port_t **)rport->dd_data) = fcport;
-	spin_unlock_irq(fcport->vha->host->host_lock);
+	spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
 
 	rport->supported_classes = fcport->supported_classes;
 
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index c194c23..f27724d 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -562,7 +562,6 @@
 	}
 	if (atomic_read(&fcport->state) != FCS_ONLINE) {
 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
-			atomic_read(&fcport->state) == FCS_DEVICE_LOST ||
 			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
 			cmd->result = DID_NO_CONNECT << 16;
 			goto qc24_fail_command;
@@ -2513,6 +2512,7 @@
 {
 	struct fc_rport *rport;
 	scsi_qla_host_t *base_vha;
+	unsigned long flags;
 
 	if (!fcport->rport)
 		return;
@@ -2520,9 +2520,9 @@
 	rport = fcport->rport;
 	if (defer) {
 		base_vha = pci_get_drvdata(vha->hw->pdev);
-		spin_lock_irq(vha->host->host_lock);
+		spin_lock_irqsave(vha->host->host_lock, flags);
 		fcport->drport = rport;
-		spin_unlock_irq(vha->host->host_lock);
+		spin_unlock_irqrestore(vha->host->host_lock, flags);
 		set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
 		qla2xxx_wake_dpc(base_vha);
 	} else
@@ -3282,10 +3282,10 @@
 
 	set_user_nice(current, -20);
 
+	set_current_state(TASK_INTERRUPTIBLE);
 	while (!kthread_should_stop()) {
 		DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
 
-		set_current_state(TASK_INTERRUPTIBLE);
 		schedule();
 		__set_current_state(TASK_RUNNING);
 
@@ -3454,7 +3454,9 @@
 		qla2x00_do_dpc_all_vps(base_vha);
 
 		ha->dpc_active = 0;
+		set_current_state(TASK_INTERRUPTIBLE);
 	} /* End of while(1) */
+	__set_current_state(TASK_RUNNING);
 
 	DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
 
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index 7b31093..a6b2d72 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -1671,7 +1671,7 @@
 			    unsigned long long lba, unsigned int num, int write)
 {
 	int ret;
-	unsigned int block, rest = 0;
+	unsigned long long block, rest = 0;
 	int (*func)(struct scsi_cmnd *, unsigned char *, int);
 
 	func = write ? fetch_to_dev_buffer : fill_from_dev_buffer;
diff --git a/drivers/spi/pxa2xx_spi_pci.c b/drivers/spi/pxa2xx_spi_pci.c
index 351d8a375..19752b0 100644
--- a/drivers/spi/pxa2xx_spi_pci.c
+++ b/drivers/spi/pxa2xx_spi_pci.c
@@ -7,10 +7,9 @@
 #include <linux/of_device.h>
 #include <linux/spi/pxa2xx_spi.h>
 
-struct awesome_struct {
+struct ce4100_info {
 	struct ssp_device ssp;
-	struct platform_device spi_pdev;
-	struct pxa2xx_spi_master spi_pdata;
+	struct platform_device *spi_pdev;
 };
 
 static DEFINE_MUTEX(ssp_lock);
@@ -51,23 +50,15 @@
 }
 EXPORT_SYMBOL_GPL(pxa_ssp_free);
 
-static void plat_dev_release(struct device *dev)
-{
-	struct awesome_struct *as = container_of(dev,
-			struct awesome_struct, spi_pdev.dev);
-
-	of_device_node_put(&as->spi_pdev.dev);
-}
-
 static int __devinit ce4100_spi_probe(struct pci_dev *dev,
 		const struct pci_device_id *ent)
 {
 	int ret;
 	resource_size_t phys_beg;
 	resource_size_t phys_len;
-	struct awesome_struct *spi_info;
+	struct ce4100_info *spi_info;
 	struct platform_device *pdev;
-	struct pxa2xx_spi_master *spi_pdata;
+	struct pxa2xx_spi_master spi_pdata;
 	struct ssp_device *ssp;
 
 	ret = pci_enable_device(dev);
@@ -84,33 +75,30 @@
 		return ret;
 	}
 
+	pdev = platform_device_alloc("pxa2xx-spi", dev->devfn);
 	spi_info = kzalloc(sizeof(*spi_info), GFP_KERNEL);
-	if (!spi_info) {
+	if (!pdev || !spi_info ) {
 		ret = -ENOMEM;
-		goto err_kz;
+		goto err_nomem;
 	}
-	ssp = &spi_info->ssp;
-	pdev = &spi_info->spi_pdev;
-	spi_pdata =  &spi_info->spi_pdata;
+	memset(&spi_pdata, 0, sizeof(spi_pdata));
+	spi_pdata.num_chipselect = dev->devfn;
 
-	pdev->name = "pxa2xx-spi";
-	pdev->id = dev->devfn;
+	ret = platform_device_add_data(pdev, &spi_pdata, sizeof(spi_pdata));
+	if (ret)
+		goto err_nomem;
+
 	pdev->dev.parent = &dev->dev;
-	pdev->dev.platform_data = &spi_info->spi_pdata;
-
 #ifdef CONFIG_OF
 	pdev->dev.of_node = dev->dev.of_node;
 #endif
-	pdev->dev.release = plat_dev_release;
-
-	spi_pdata->num_chipselect = dev->devfn;
-
+	ssp = &spi_info->ssp;
 	ssp->phys_base = pci_resource_start(dev, 0);
 	ssp->mmio_base = ioremap(phys_beg, phys_len);
 	if (!ssp->mmio_base) {
 		dev_err(&pdev->dev, "failed to ioremap() registers\n");
 		ret = -EIO;
-		goto err_remap;
+		goto err_nomem;
 	}
 	ssp->irq = dev->irq;
 	ssp->port_id = pdev->id;
@@ -122,7 +110,7 @@
 
 	pci_set_drvdata(dev, spi_info);
 
-	ret = platform_device_register(pdev);
+	ret = platform_device_add(pdev);
 	if (ret)
 		goto err_dev_add;
 
@@ -135,27 +123,21 @@
 	mutex_unlock(&ssp_lock);
 	iounmap(ssp->mmio_base);
 
-err_remap:
-	kfree(spi_info);
-
-err_kz:
+err_nomem:
 	release_mem_region(phys_beg, phys_len);
-
+	platform_device_put(pdev);
+	kfree(spi_info);
 	return ret;
 }
 
 static void __devexit ce4100_spi_remove(struct pci_dev *dev)
 {
-	struct awesome_struct *spi_info;
-	struct platform_device *pdev;
+	struct ce4100_info *spi_info;
 	struct ssp_device *ssp;
 
 	spi_info = pci_get_drvdata(dev);
-
 	ssp = &spi_info->ssp;
-	pdev = &spi_info->spi_pdev;
-
-	platform_device_unregister(pdev);
+	platform_device_unregister(spi_info->spi_pdev);
 
 	iounmap(ssp->mmio_base);
 	release_mem_region(pci_resource_start(dev, 0),
@@ -171,7 +153,6 @@
 }
 
 static struct pci_device_id ce4100_spi_devices[] __devinitdata = {
-
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x2e6a) },
 	{ },
 };
diff --git a/drivers/spi/spi_sh_msiof.c b/drivers/spi/spi_sh_msiof.c
index 56f60c8..2c665fcea 100644
--- a/drivers/spi/spi_sh_msiof.c
+++ b/drivers/spi/spi_sh_msiof.c
@@ -509,9 +509,11 @@
 	bytes_done = 0;
 
 	while (bytes_done < t->len) {
+		void *rx_buf = t->rx_buf ? t->rx_buf + bytes_done : NULL;
+		const void *tx_buf = t->tx_buf ? t->tx_buf + bytes_done : NULL;
 		n = sh_msiof_spi_txrx_once(p, tx_fifo, rx_fifo,
-					   t->tx_buf + bytes_done,
-					   t->rx_buf + bytes_done,
+					   tx_buf,
+					   rx_buf,
 					   words, bits);
 		if (n < 0)
 			break;
diff --git a/drivers/ssb/pcmcia.c b/drivers/ssb/pcmcia.c
index c7345db..f853379 100644
--- a/drivers/ssb/pcmcia.c
+++ b/drivers/ssb/pcmcia.c
@@ -733,7 +733,7 @@
 
 	/* Fetch the vendor specific tuples. */
 	res = pcmcia_loop_tuple(bus->host_pcmcia, SSB_PCMCIA_CIS,
-				ssb_pcmcia_do_get_invariants, sprom);
+				ssb_pcmcia_do_get_invariants, iv);
 	if ((res == 0) || (res == -ENOSPC))
 		return 0;
 
diff --git a/drivers/staging/brcm80211/sys/wl_mac80211.c b/drivers/staging/brcm80211/sys/wl_mac80211.c
index f123588..cd8392b 100644
--- a/drivers/staging/brcm80211/sys/wl_mac80211.c
+++ b/drivers/staging/brcm80211/sys/wl_mac80211.c
@@ -263,9 +263,7 @@
 	switch (type) {
 	case NL80211_CHAN_HT20:
 	case NL80211_CHAN_NO_HT:
-		WL_LOCK(wl);
 		err = wlc_set(wl->wlc, WLC_SET_CHANNEL, chan->hw_value);
-		WL_UNLOCK(wl);
 		break;
 	case NL80211_CHAN_HT40MINUS:
 	case NL80211_CHAN_HT40PLUS:
@@ -285,6 +283,7 @@
 	int err = 0;
 	int new_int;
 
+	WL_LOCK(wl);
 	if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) {
 		WL_NONE("%s: Setting listen interval to %d\n",
 			__func__, conf->listen_interval);
@@ -341,6 +340,7 @@
 	}
 
  config_out:
+	WL_UNLOCK(wl);
 	return err;
 }
 
@@ -459,13 +459,21 @@
 
 static void wl_ops_sw_scan_start(struct ieee80211_hw *hw)
 {
+	struct wl_info *wl = hw->priv;
 	WL_NONE("Scan Start\n");
+	WL_LOCK(wl);
+	wlc_scan_start(wl->wlc);
+	WL_UNLOCK(wl);
 	return;
 }
 
 static void wl_ops_sw_scan_complete(struct ieee80211_hw *hw)
 {
+	struct wl_info *wl = hw->priv;
 	WL_NONE("Scan Complete\n");
+	WL_LOCK(wl);
+	wlc_scan_stop(wl->wlc);
+	WL_UNLOCK(wl);
 	return;
 }
 
diff --git a/drivers/staging/brcm80211/sys/wlc_mac80211.c b/drivers/staging/brcm80211/sys/wlc_mac80211.c
index a130386..e37e805 100644
--- a/drivers/staging/brcm80211/sys/wlc_mac80211.c
+++ b/drivers/staging/brcm80211/sys/wlc_mac80211.c
@@ -8461,3 +8461,16 @@
 
 	kfree(qi);
 }
+
+/*
+ * Flag 'scan in progress' to withold dynamic phy calibration
+ */
+void wlc_scan_start(struct wlc_info *wlc)
+{
+	wlc_phy_hold_upd(wlc->band->pi, PHY_HOLD_FOR_SCAN, true);
+}
+
+void wlc_scan_stop(struct wlc_info *wlc)
+{
+	wlc_phy_hold_upd(wlc->band->pi, PHY_HOLD_FOR_SCAN, false);
+}
diff --git a/drivers/staging/brcm80211/sys/wlc_pub.h b/drivers/staging/brcm80211/sys/wlc_pub.h
index 146a690..aff4130 100644
--- a/drivers/staging/brcm80211/sys/wlc_pub.h
+++ b/drivers/staging/brcm80211/sys/wlc_pub.h
@@ -570,6 +570,8 @@
 extern u16 wlc_rate_shm_offset(struct wlc_info *wlc, u8 rate);
 extern u32 wlc_get_rspec_history(struct wlc_bsscfg *cfg);
 extern u32 wlc_get_current_highest_rate(struct wlc_bsscfg *cfg);
+extern void wlc_scan_start(struct wlc_info *wlc);
+extern void wlc_scan_stop(struct wlc_info *wlc);
 
 static inline int wlc_iovar_getuint(struct wlc_info *wlc, const char *name,
 				    uint *arg)
diff --git a/drivers/staging/comedi/Kconfig b/drivers/staging/comedi/Kconfig
index aad4732..1502d80 100644
--- a/drivers/staging/comedi/Kconfig
+++ b/drivers/staging/comedi/Kconfig
@@ -439,6 +439,7 @@
 config COMEDI_NI_ATMIO
 	tristate "NI AT-MIO E series ISA-PNP card support"
 	depends on ISAPNP && COMEDI_NI_TIO && COMEDI_NI_COMMON
+	select COMEDI_8255
 	default N
 	---help---
 	  Enable support for National Instruments AT-MIO E series cards
@@ -1040,6 +1041,8 @@
 config COMEDI_NI_PCIMIO
 	tristate "NI PCI-MIO-E series and M series support"
 	depends on COMEDI_NI_TIO && COMEDI_NI_COMMON
+	select COMEDI_8255
+	select COMEDI_FC
 	default N
 	---help---
 	  Enable support for National Instruments PCI-MIO-E series and M series
@@ -1164,6 +1167,7 @@
 config COMEDI_NI_MIO_CS
 	tristate "NI DAQCard E series PCMCIA support"
 	depends on COMEDI_NI_TIO && COMEDI_NI_COMMON
+	select COMEDI_8255
 	select COMEDI_FC
 	default N
 	---help---
@@ -1268,7 +1272,6 @@
 config COMEDI_NI_TIO
 	tristate "NI general purpose counter support"
 	depends on COMEDI_MITE
-	select COMEDI_8255
 	default N
 	---help---
 	  Enable support for National Instruments general purpose counters.
diff --git a/drivers/staging/comedi/drivers/mite.c b/drivers/staging/comedi/drivers/mite.c
index cd25b24..fd274e9 100644
--- a/drivers/staging/comedi/drivers/mite.c
+++ b/drivers/staging/comedi/drivers/mite.c
@@ -61,8 +61,6 @@
 #define PCI_DAQ_SIZE		4096
 #define PCI_DAQ_SIZE_660X       8192
 
-MODULE_LICENSE("GPL");
-
 struct mite_struct *mite_devices;
 EXPORT_SYMBOL(mite_devices);
 
diff --git a/drivers/staging/comedi/drivers/ni_6527.c b/drivers/staging/comedi/drivers/ni_6527.c
index 14e716e..54741c9 100644
--- a/drivers/staging/comedi/drivers/ni_6527.c
+++ b/drivers/staging/comedi/drivers/ni_6527.c
@@ -527,3 +527,7 @@
 
 module_init(driver_ni6527_init_module);
 module_exit(driver_ni6527_cleanup_module);
+
+MODULE_AUTHOR("Comedi http://www.comedi.org");
+MODULE_DESCRIPTION("Comedi low-level driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/staging/comedi/drivers/ni_65xx.c b/drivers/staging/comedi/drivers/ni_65xx.c
index 8b8e2aa..403fc09 100644
--- a/drivers/staging/comedi/drivers/ni_65xx.c
+++ b/drivers/staging/comedi/drivers/ni_65xx.c
@@ -871,3 +871,7 @@
 
 module_init(driver_ni_65xx_init_module);
 module_exit(driver_ni_65xx_cleanup_module);
+
+MODULE_AUTHOR("Comedi http://www.comedi.org");
+MODULE_DESCRIPTION("Comedi low-level driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/staging/comedi/drivers/ni_660x.c b/drivers/staging/comedi/drivers/ni_660x.c
index 6612b08..ca2aeaa 100644
--- a/drivers/staging/comedi/drivers/ni_660x.c
+++ b/drivers/staging/comedi/drivers/ni_660x.c
@@ -1421,3 +1421,7 @@
 	};
 	return 0;
 }
+
+MODULE_AUTHOR("Comedi http://www.comedi.org");
+MODULE_DESCRIPTION("Comedi low-level driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/staging/comedi/drivers/ni_670x.c b/drivers/staging/comedi/drivers/ni_670x.c
index e9f034e..d8d91f9 100644
--- a/drivers/staging/comedi/drivers/ni_670x.c
+++ b/drivers/staging/comedi/drivers/ni_670x.c
@@ -384,3 +384,7 @@
 	mite_list_devices();
 	return -EIO;
 }
+
+MODULE_AUTHOR("Comedi http://www.comedi.org");
+MODULE_DESCRIPTION("Comedi low-level driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/staging/comedi/drivers/ni_pcidio.c b/drivers/staging/comedi/drivers/ni_pcidio.c
index 84a15c3..005d2fe 100644
--- a/drivers/staging/comedi/drivers/ni_pcidio.c
+++ b/drivers/staging/comedi/drivers/ni_pcidio.c
@@ -1354,3 +1354,7 @@
 
 module_init(driver_pcidio_init_module);
 module_exit(driver_pcidio_cleanup_module);
+
+MODULE_AUTHOR("Comedi http://www.comedi.org");
+MODULE_DESCRIPTION("Comedi low-level driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/staging/comedi/drivers/ni_pcimio.c b/drivers/staging/comedi/drivers/ni_pcimio.c
index 23a3812..9148abd 100644
--- a/drivers/staging/comedi/drivers/ni_pcimio.c
+++ b/drivers/staging/comedi/drivers/ni_pcimio.c
@@ -1853,3 +1853,7 @@
 
 	return 0;
 }
+
+MODULE_AUTHOR("Comedi http://www.comedi.org");
+MODULE_DESCRIPTION("Comedi low-level driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/staging/hv/netvsc_drv.c b/drivers/staging/hv/netvsc_drv.c
index 54706a1..b41c964 100644
--- a/drivers/staging/hv/netvsc_drv.c
+++ b/drivers/staging/hv/netvsc_drv.c
@@ -236,6 +236,7 @@
 	if (status == 1) {
 		netif_carrier_on(net);
 		netif_wake_queue(net);
+		netif_notify_peers(net);
 	} else {
 		netif_carrier_off(net);
 		netif_stop_queue(net);
diff --git a/drivers/staging/intel_sst/intelmid_v2_control.c b/drivers/staging/intel_sst/intelmid_v2_control.c
index e38e89d..e2f6d6a 100644
--- a/drivers/staging/intel_sst/intelmid_v2_control.c
+++ b/drivers/staging/intel_sst/intelmid_v2_control.c
@@ -874,7 +874,10 @@
 		sc_access[3].reg_addr = 0x109;
 		sc_access[3].mask = MASK6;
 		sc_access[3].value = 0x00;
-		num_val = 4;
+		sc_access[4].reg_addr = 0x104;
+		sc_access[4].value = 0x3C;
+		sc_access[4].mask = 0xff;
+		num_val = 5;
 		break;
 	default:
 		return -EINVAL;
diff --git a/drivers/staging/zram/zram_drv.c b/drivers/staging/zram/zram_drv.c
index 5415712..4bd8cbd 100644
--- a/drivers/staging/zram/zram_drv.c
+++ b/drivers/staging/zram/zram_drv.c
@@ -227,6 +227,7 @@
 
 		if (zram_test_flag(zram, index, ZRAM_ZERO)) {
 			handle_zero_page(page);
+			index++;
 			continue;
 		}
 
@@ -235,12 +236,14 @@
 			pr_debug("Read before write: sector=%lu, size=%u",
 				(ulong)(bio->bi_sector), bio->bi_size);
 			/* Do nothing */
+			index++;
 			continue;
 		}
 
 		/* Page is stored uncompressed since it's incompressible */
 		if (unlikely(zram_test_flag(zram, index, ZRAM_UNCOMPRESSED))) {
 			handle_uncompressed_page(zram, page, index);
+			index++;
 			continue;
 		}
 
@@ -320,6 +323,7 @@
 			mutex_unlock(&zram->lock);
 			zram_stat_inc(&zram->stats.pages_zero);
 			zram_set_flag(zram, index, ZRAM_ZERO);
+			index++;
 			continue;
 		}
 
diff --git a/drivers/target/Makefile b/drivers/target/Makefile
index 5cfd708..973bb19 100644
--- a/drivers/target/Makefile
+++ b/drivers/target/Makefile
@@ -13,8 +13,7 @@
 				   target_core_transport.o \
 				   target_core_cdb.o \
 				   target_core_ua.o \
-				   target_core_rd.o \
-				   target_core_mib.o
+				   target_core_rd.o
 
 obj-$(CONFIG_TARGET_CORE)	+= target_core_mod.o
 
diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c
index 2764510..caf8dc18 100644
--- a/drivers/target/target_core_configfs.c
+++ b/drivers/target/target_core_configfs.c
@@ -37,7 +37,6 @@
 #include <linux/parser.h>
 #include <linux/syscalls.h>
 #include <linux/configfs.h>
-#include <linux/proc_fs.h>
 
 #include <target/target_core_base.h>
 #include <target/target_core_device.h>
@@ -1971,13 +1970,35 @@
 {
 	struct se_subsystem_dev *se_dev = container_of(to_config_group(item),
 				struct se_subsystem_dev, se_dev_group);
-	struct config_group *dev_cg;
+	struct se_hba *hba = item_to_hba(&se_dev->se_dev_hba->hba_group.cg_item);
+	struct se_subsystem_api *t = hba->transport;
+	struct config_group *dev_cg = &se_dev->se_dev_group;
 
-	if (!(se_dev))
-		return;
-
-	dev_cg = &se_dev->se_dev_group;
 	kfree(dev_cg->default_groups);
+	/*
+	 * This pointer will set when the storage is enabled with:
+	 *`echo 1 > $CONFIGFS/core/$HBA/$DEV/dev_enable`
+	 */
+	if (se_dev->se_dev_ptr) {
+		printk(KERN_INFO "Target_Core_ConfigFS: Calling se_free_"
+			"virtual_device() for se_dev_ptr: %p\n",
+			se_dev->se_dev_ptr);
+
+		se_free_virtual_device(se_dev->se_dev_ptr, hba);
+	} else {
+		/*
+		 * Release struct se_subsystem_dev->se_dev_su_ptr..
+		 */
+		printk(KERN_INFO "Target_Core_ConfigFS: Calling t->free_"
+			"device() for se_dev_su_ptr: %p\n",
+			se_dev->se_dev_su_ptr);
+
+		t->free_device(se_dev->se_dev_su_ptr);
+	}
+
+	printk(KERN_INFO "Target_Core_ConfigFS: Deallocating se_subsystem"
+			"_dev_t: %p\n", se_dev);
+	kfree(se_dev);
 }
 
 static ssize_t target_core_dev_show(struct config_item *item,
@@ -2140,7 +2161,16 @@
 	NULL,
 };
 
+static void target_core_alua_lu_gp_release(struct config_item *item)
+{
+	struct t10_alua_lu_gp *lu_gp = container_of(to_config_group(item),
+			struct t10_alua_lu_gp, lu_gp_group);
+
+	core_alua_free_lu_gp(lu_gp);
+}
+
 static struct configfs_item_operations target_core_alua_lu_gp_ops = {
+	.release		= target_core_alua_lu_gp_release,
 	.show_attribute		= target_core_alua_lu_gp_attr_show,
 	.store_attribute	= target_core_alua_lu_gp_attr_store,
 };
@@ -2191,9 +2221,11 @@
 	printk(KERN_INFO "Target_Core_ConfigFS: Releasing ALUA Logical Unit"
 		" Group: core/alua/lu_gps/%s, ID: %hu\n",
 		config_item_name(item), lu_gp->lu_gp_id);
-
+	/*
+	 * core_alua_free_lu_gp() is called from target_core_alua_lu_gp_ops->release()
+	 * -> target_core_alua_lu_gp_release()
+	 */
 	config_item_put(item);
-	core_alua_free_lu_gp(lu_gp);
 }
 
 static struct configfs_group_operations target_core_alua_lu_gps_group_ops = {
@@ -2549,7 +2581,16 @@
 	NULL,
 };
 
+static void target_core_alua_tg_pt_gp_release(struct config_item *item)
+{
+	struct t10_alua_tg_pt_gp *tg_pt_gp = container_of(to_config_group(item),
+			struct t10_alua_tg_pt_gp, tg_pt_gp_group);
+
+	core_alua_free_tg_pt_gp(tg_pt_gp);
+}
+
 static struct configfs_item_operations target_core_alua_tg_pt_gp_ops = {
+	.release		= target_core_alua_tg_pt_gp_release,
 	.show_attribute		= target_core_alua_tg_pt_gp_attr_show,
 	.store_attribute	= target_core_alua_tg_pt_gp_attr_store,
 };
@@ -2602,9 +2643,11 @@
 	printk(KERN_INFO "Target_Core_ConfigFS: Releasing ALUA Target Port"
 		" Group: alua/tg_pt_gps/%s, ID: %hu\n",
 		config_item_name(item), tg_pt_gp->tg_pt_gp_id);
-
+	/*
+	 * core_alua_free_tg_pt_gp() is called from target_core_alua_tg_pt_gp_ops->release()
+	 * -> target_core_alua_tg_pt_gp_release().
+	 */
 	config_item_put(item);
-	core_alua_free_tg_pt_gp(tg_pt_gp);
 }
 
 static struct configfs_group_operations target_core_alua_tg_pt_gps_group_ops = {
@@ -2771,13 +2814,11 @@
 	struct se_subsystem_api *t;
 	struct config_item *df_item;
 	struct config_group *dev_cg, *tg_pt_gp_cg;
-	int i, ret;
+	int i;
 
 	hba = item_to_hba(&se_dev->se_dev_hba->hba_group.cg_item);
 
-	if (mutex_lock_interruptible(&hba->hba_access_mutex))
-		goto out;
-
+	mutex_lock(&hba->hba_access_mutex);
 	t = hba->transport;
 
 	spin_lock(&se_global->g_device_lock);
@@ -2791,7 +2832,10 @@
 		config_item_put(df_item);
 	}
 	kfree(tg_pt_gp_cg->default_groups);
-	core_alua_free_tg_pt_gp(T10_ALUA(se_dev)->default_tg_pt_gp);
+	/*
+	 * core_alua_free_tg_pt_gp() is called from ->default_tg_pt_gp
+	 * directly from target_core_alua_tg_pt_gp_release().
+	 */
 	T10_ALUA(se_dev)->default_tg_pt_gp = NULL;
 
 	dev_cg = &se_dev->se_dev_group;
@@ -2800,38 +2844,12 @@
 		dev_cg->default_groups[i] = NULL;
 		config_item_put(df_item);
 	}
-
-	config_item_put(item);
 	/*
-	 * This pointer will set when the storage is enabled with:
-	 * `echo 1 > $CONFIGFS/core/$HBA/$DEV/dev_enable`
+	 * The releasing of se_dev and associated se_dev->se_dev_ptr is done
+	 * from target_core_dev_item_ops->release() ->target_core_dev_release().
 	 */
-	if (se_dev->se_dev_ptr) {
-		printk(KERN_INFO "Target_Core_ConfigFS: Calling se_free_"
-			"virtual_device() for se_dev_ptr: %p\n",
-				se_dev->se_dev_ptr);
-
-		ret = se_free_virtual_device(se_dev->se_dev_ptr, hba);
-		if (ret < 0)
-			goto hba_out;
-	} else {
-		/*
-		 * Release struct se_subsystem_dev->se_dev_su_ptr..
-		 */
-		printk(KERN_INFO "Target_Core_ConfigFS: Calling t->free_"
-			"device() for se_dev_su_ptr: %p\n",
-			se_dev->se_dev_su_ptr);
-
-		t->free_device(se_dev->se_dev_su_ptr);
-	}
-
-	printk(KERN_INFO "Target_Core_ConfigFS: Deallocating se_subsystem"
-		"_dev_t: %p\n", se_dev);
-
-hba_out:
+	config_item_put(item);
 	mutex_unlock(&hba->hba_access_mutex);
-out:
-	kfree(se_dev);
 }
 
 static struct configfs_group_operations target_core_hba_group_ops = {
@@ -2914,6 +2932,13 @@
 
 CONFIGFS_EATTR_OPS(target_core_hba, se_hba, hba_group);
 
+static void target_core_hba_release(struct config_item *item)
+{
+	struct se_hba *hba = container_of(to_config_group(item),
+				struct se_hba, hba_group);
+	core_delete_hba(hba);
+}
+
 static struct configfs_attribute *target_core_hba_attrs[] = {
 	&target_core_hba_hba_info.attr,
 	&target_core_hba_hba_mode.attr,
@@ -2921,6 +2946,7 @@
 };
 
 static struct configfs_item_operations target_core_hba_item_ops = {
+	.release		= target_core_hba_release,
 	.show_attribute		= target_core_hba_attr_show,
 	.store_attribute	= target_core_hba_attr_store,
 };
@@ -2997,10 +3023,11 @@
 	struct config_group *group,
 	struct config_item *item)
 {
-	struct se_hba *hba = item_to_hba(item);
-
+	/*
+	 * core_delete_hba() is called from target_core_hba_item_ops->release()
+	 * -> target_core_hba_release()
+	 */
 	config_item_put(item);
-	core_delete_hba(hba);
 }
 
 static struct configfs_group_operations target_core_group_ops = {
@@ -3022,7 +3049,6 @@
 	struct config_group *target_cg, *hba_cg = NULL, *alua_cg = NULL;
 	struct config_group *lu_gp_cg = NULL;
 	struct configfs_subsystem *subsys;
-	struct proc_dir_entry *scsi_target_proc = NULL;
 	struct t10_alua_lu_gp *lu_gp;
 	int ret;
 
@@ -3128,21 +3154,10 @@
 	if (core_dev_setup_virtual_lun0() < 0)
 		goto out;
 
-	scsi_target_proc = proc_mkdir("scsi_target", 0);
-	if (!(scsi_target_proc)) {
-		printk(KERN_ERR "proc_mkdir(scsi_target, 0) failed\n");
-		goto out;
-	}
-	ret = init_scsi_target_mib();
-	if (ret < 0)
-		goto out;
-
 	return 0;
 
 out:
 	configfs_unregister_subsystem(subsys);
-	if (scsi_target_proc)
-		remove_proc_entry("scsi_target", 0);
 	core_dev_release_virtual_lun0();
 	rd_module_exit();
 out_global:
@@ -3178,8 +3193,7 @@
 		config_item_put(item);
 	}
 	kfree(lu_gp_cg->default_groups);
-	core_alua_free_lu_gp(se_global->default_lu_gp);
-	se_global->default_lu_gp = NULL;
+	lu_gp_cg->default_groups = NULL;
 
 	alua_cg = &se_global->alua_group;
 	for (i = 0; alua_cg->default_groups[i]; i++) {
@@ -3188,6 +3202,7 @@
 		config_item_put(item);
 	}
 	kfree(alua_cg->default_groups);
+	alua_cg->default_groups = NULL;
 
 	hba_cg = &se_global->target_core_hbagroup;
 	for (i = 0; hba_cg->default_groups[i]; i++) {
@@ -3196,20 +3211,20 @@
 		config_item_put(item);
 	}
 	kfree(hba_cg->default_groups);
-
-	for (i = 0; subsys->su_group.default_groups[i]; i++) {
-		item = &subsys->su_group.default_groups[i]->cg_item;
-		subsys->su_group.default_groups[i] = NULL;
-		config_item_put(item);
-	}
+	hba_cg->default_groups = NULL;
+	/*
+	 * We expect subsys->su_group.default_groups to be released
+	 * by configfs subsystem provider logic..
+	 */
+	configfs_unregister_subsystem(subsys);
 	kfree(subsys->su_group.default_groups);
 
-	configfs_unregister_subsystem(subsys);
+	core_alua_free_lu_gp(se_global->default_lu_gp);
+	se_global->default_lu_gp = NULL;
+
 	printk(KERN_INFO "TARGET_CORE[0]: Released ConfigFS Fabric"
 			" Infrastructure\n");
 
-	remove_scsi_target_mib();
-	remove_proc_entry("scsi_target", 0);
 	core_dev_release_virtual_lun0();
 	rd_module_exit();
 	release_se_global();
diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
index 317ce58..5da051a 100644
--- a/drivers/target/target_core_device.c
+++ b/drivers/target/target_core_device.c
@@ -373,11 +373,11 @@
 		/*
 		 * deve->se_lun_acl will be NULL for demo-mode created LUNs
 		 * that have not been explictly concerted to MappedLUNs ->
-		 * struct se_lun_acl.
+		 * struct se_lun_acl, but we remove deve->alua_port_list from
+		 * port->sep_alua_list. This also means that active UAs and
+		 * NodeACL context specific PR metadata for demo-mode
+		 * MappedLUN *deve will be released below..
 		 */
-		if (!(deve->se_lun_acl))
-			return 0;
-
 		spin_lock_bh(&port->sep_alua_lock);
 		list_del(&deve->alua_port_list);
 		spin_unlock_bh(&port->sep_alua_lock);
@@ -395,12 +395,14 @@
 				printk(KERN_ERR "struct se_dev_entry->se_lun_acl"
 					" already set for demo mode -> explict"
 					" LUN ACL transition\n");
+				spin_unlock_irq(&nacl->device_list_lock);
 				return -1;
 			}
 			if (deve->se_lun != lun) {
 				printk(KERN_ERR "struct se_dev_entry->se_lun does"
 					" match passed struct se_lun for demo mode"
 					" -> explict LUN ACL transition\n");
+				spin_unlock_irq(&nacl->device_list_lock);
 				return -1;
 			}
 			deve->se_lun_acl = lun_acl;
@@ -865,9 +867,6 @@
 		}
 	}
 	spin_unlock(&hba->device_lock);
-
-	while (atomic_read(&hba->dev_mib_access_count))
-		cpu_relax();
 }
 
 int se_dev_check_online(struct se_device *dev)
diff --git a/drivers/target/target_core_fabric_configfs.c b/drivers/target/target_core_fabric_configfs.c
index 32b148d..b65d1c8 100644
--- a/drivers/target/target_core_fabric_configfs.c
+++ b/drivers/target/target_core_fabric_configfs.c
@@ -214,12 +214,22 @@
 
 CONFIGFS_EATTR_OPS(target_fabric_mappedlun, se_lun_acl, se_lun_group);
 
+static void target_fabric_mappedlun_release(struct config_item *item)
+{
+	struct se_lun_acl *lacl = container_of(to_config_group(item),
+				struct se_lun_acl, se_lun_group);
+	struct se_portal_group *se_tpg = lacl->se_lun_nacl->se_tpg;
+
+	core_dev_free_initiator_node_lun_acl(se_tpg, lacl);
+}
+
 static struct configfs_attribute *target_fabric_mappedlun_attrs[] = {
 	&target_fabric_mappedlun_write_protect.attr,
 	NULL,
 };
 
 static struct configfs_item_operations target_fabric_mappedlun_item_ops = {
+	.release		= target_fabric_mappedlun_release,
 	.show_attribute		= target_fabric_mappedlun_attr_show,
 	.store_attribute	= target_fabric_mappedlun_attr_store,
 	.allow_link		= target_fabric_mappedlun_link,
@@ -337,15 +347,21 @@
 	struct config_group *group,
 	struct config_item *item)
 {
-	struct se_lun_acl *lacl = container_of(to_config_group(item),
-			struct se_lun_acl, se_lun_group);
-	struct se_portal_group *se_tpg = lacl->se_lun_nacl->se_tpg;
-
 	config_item_put(item);
-	core_dev_free_initiator_node_lun_acl(se_tpg, lacl);
+}
+
+static void target_fabric_nacl_base_release(struct config_item *item)
+{
+	struct se_node_acl *se_nacl = container_of(to_config_group(item),
+			struct se_node_acl, acl_group);
+	struct se_portal_group *se_tpg = se_nacl->se_tpg;
+	struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf;
+
+	tf->tf_ops.fabric_drop_nodeacl(se_nacl);
 }
 
 static struct configfs_item_operations target_fabric_nacl_base_item_ops = {
+	.release		= target_fabric_nacl_base_release,
 	.show_attribute		= target_fabric_nacl_base_attr_show,
 	.store_attribute	= target_fabric_nacl_base_attr_store,
 };
@@ -404,9 +420,6 @@
 	struct config_group *group,
 	struct config_item *item)
 {
-	struct se_portal_group *se_tpg = container_of(group,
-			struct se_portal_group, tpg_acl_group);
-	struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf;
 	struct se_node_acl *se_nacl = container_of(to_config_group(item),
 			struct se_node_acl, acl_group);
 	struct config_item *df_item;
@@ -419,9 +432,10 @@
 		nacl_cg->default_groups[i] = NULL;
 		config_item_put(df_item);
 	}
-
+	/*
+	 * struct se_node_acl free is done in target_fabric_nacl_base_release()
+	 */
 	config_item_put(item);
-	tf->tf_ops.fabric_drop_nodeacl(se_nacl);
 }
 
 static struct configfs_group_operations target_fabric_nacl_group_ops = {
@@ -437,7 +451,18 @@
 
 CONFIGFS_EATTR_OPS(target_fabric_np_base, se_tpg_np, tpg_np_group);
 
+static void target_fabric_np_base_release(struct config_item *item)
+{
+	struct se_tpg_np *se_tpg_np = container_of(to_config_group(item),
+				struct se_tpg_np, tpg_np_group);
+	struct se_portal_group *se_tpg = se_tpg_np->tpg_np_parent;
+	struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf;
+
+	tf->tf_ops.fabric_drop_np(se_tpg_np);
+}
+
 static struct configfs_item_operations target_fabric_np_base_item_ops = {
+	.release		= target_fabric_np_base_release,
 	.show_attribute		= target_fabric_np_base_attr_show,
 	.store_attribute	= target_fabric_np_base_attr_store,
 };
@@ -466,6 +491,7 @@
 	if (!(se_tpg_np) || IS_ERR(se_tpg_np))
 		return ERR_PTR(-EINVAL);
 
+	se_tpg_np->tpg_np_parent = se_tpg;
 	config_group_init_type_name(&se_tpg_np->tpg_np_group, name,
 			&TF_CIT_TMPL(tf)->tfc_tpg_np_base_cit);
 
@@ -476,14 +502,10 @@
 	struct config_group *group,
 	struct config_item *item)
 {
-	struct se_portal_group *se_tpg = container_of(group,
-				struct se_portal_group, tpg_np_group);
-	struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf;
-	struct se_tpg_np *se_tpg_np = container_of(to_config_group(item),
-				struct se_tpg_np, tpg_np_group);
-
+	/*
+	 * struct se_tpg_np is released via target_fabric_np_base_release()
+	 */
 	config_item_put(item);
-	tf->tf_ops.fabric_drop_np(se_tpg_np);
 }
 
 static struct configfs_group_operations target_fabric_np_group_ops = {
@@ -814,7 +836,18 @@
  */
 CONFIGFS_EATTR_OPS(target_fabric_tpg, se_portal_group, tpg_group);
 
+static void target_fabric_tpg_release(struct config_item *item)
+{
+	struct se_portal_group *se_tpg = container_of(to_config_group(item),
+			struct se_portal_group, tpg_group);
+	struct se_wwn *wwn = se_tpg->se_tpg_wwn;
+	struct target_fabric_configfs *tf = wwn->wwn_tf;
+
+	tf->tf_ops.fabric_drop_tpg(se_tpg);
+}
+
 static struct configfs_item_operations target_fabric_tpg_base_item_ops = {
+	.release		= target_fabric_tpg_release,
 	.show_attribute		= target_fabric_tpg_attr_show,
 	.store_attribute	= target_fabric_tpg_attr_store,
 };
@@ -872,8 +905,6 @@
 	struct config_group *group,
 	struct config_item *item)
 {
-	struct se_wwn *wwn = container_of(group, struct se_wwn, wwn_group);
-	struct target_fabric_configfs *tf = wwn->wwn_tf;
 	struct se_portal_group *se_tpg = container_of(to_config_group(item),
 				struct se_portal_group, tpg_group);
 	struct config_group *tpg_cg = &se_tpg->tpg_group;
@@ -890,15 +921,28 @@
 	}
 
 	config_item_put(item);
-	tf->tf_ops.fabric_drop_tpg(se_tpg);
 }
 
+static void target_fabric_release_wwn(struct config_item *item)
+{
+	struct se_wwn *wwn = container_of(to_config_group(item),
+				struct se_wwn, wwn_group);
+	struct target_fabric_configfs *tf = wwn->wwn_tf;
+
+	tf->tf_ops.fabric_drop_wwn(wwn);
+}
+
+static struct configfs_item_operations target_fabric_tpg_item_ops = {
+	.release	= target_fabric_release_wwn,
+};
+
 static struct configfs_group_operations target_fabric_tpg_group_ops = {
 	.make_group	= target_fabric_make_tpg,
 	.drop_item	= target_fabric_drop_tpg,
 };
 
-TF_CIT_SETUP(tpg, NULL, &target_fabric_tpg_group_ops, NULL);
+TF_CIT_SETUP(tpg, &target_fabric_tpg_item_ops, &target_fabric_tpg_group_ops,
+		NULL);
 
 /* End of tfc_tpg_cit */
 
@@ -932,13 +976,7 @@
 	struct config_group *group,
 	struct config_item *item)
 {
-	struct target_fabric_configfs *tf = container_of(group,
-				struct target_fabric_configfs, tf_group);
-	struct se_wwn *wwn = container_of(to_config_group(item),
-				struct se_wwn, wwn_group);
-
 	config_item_put(item);
-	tf->tf_ops.fabric_drop_wwn(wwn);
 }
 
 static struct configfs_group_operations target_fabric_wwn_group_ops = {
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c
index c6e0d75..67f0c09 100644
--- a/drivers/target/target_core_iblock.c
+++ b/drivers/target/target_core_iblock.c
@@ -154,7 +154,7 @@
 
 	bd = blkdev_get_by_path(ib_dev->ibd_udev_path,
 				FMODE_WRITE|FMODE_READ|FMODE_EXCL, ib_dev);
-	if (!(bd))
+	if (IS_ERR(bd))
 		goto failed;
 	/*
 	 * Setup the local scope queue_limits from struct request_queue->limits
@@ -220,8 +220,10 @@
 {
 	struct iblock_dev *ib_dev = p;
 
-	blkdev_put(ib_dev->ibd_bd, FMODE_WRITE|FMODE_READ|FMODE_EXCL);
-	bioset_free(ib_dev->ibd_bio_set);
+	if (ib_dev->ibd_bd != NULL)
+		blkdev_put(ib_dev->ibd_bd, FMODE_WRITE|FMODE_READ|FMODE_EXCL);
+	if (ib_dev->ibd_bio_set != NULL)
+		bioset_free(ib_dev->ibd_bio_set);
 	kfree(ib_dev);
 }
 
diff --git a/drivers/target/target_core_mib.c b/drivers/target/target_core_mib.c
deleted file mode 100644
index d5a48aa..0000000
--- a/drivers/target/target_core_mib.c
+++ /dev/null
@@ -1,1078 +0,0 @@
-/*******************************************************************************
- * Filename:  target_core_mib.c
- *
- * Copyright (c) 2006-2007 SBE, Inc.  All Rights Reserved.
- * Copyright (c) 2007-2010 Rising Tide Systems
- * Copyright (c) 2008-2010 Linux-iSCSI.org
- *
- * Nicholas A. Bellinger <nab@linux-iscsi.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- ******************************************************************************/
-
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/timer.h>
-#include <linux/string.h>
-#include <linux/version.h>
-#include <generated/utsrelease.h>
-#include <linux/utsname.h>
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
-#include <linux/blkdev.h>
-#include <scsi/scsi.h>
-#include <scsi/scsi_device.h>
-#include <scsi/scsi_host.h>
-
-#include <target/target_core_base.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
-#include <target/target_core_configfs.h>
-
-#include "target_core_hba.h"
-#include "target_core_mib.h"
-
-/* SCSI mib table index */
-static struct scsi_index_table scsi_index_table;
-
-#ifndef INITIAL_JIFFIES
-#define INITIAL_JIFFIES ((unsigned long)(unsigned int) (-300*HZ))
-#endif
-
-/* SCSI Instance Table */
-#define SCSI_INST_SW_INDEX		1
-#define SCSI_TRANSPORT_INDEX		1
-
-#define NONE		"None"
-#define ISPRINT(a)   ((a >= ' ') && (a <= '~'))
-
-static inline int list_is_first(const struct list_head *list,
-				const struct list_head *head)
-{
-	return list->prev == head;
-}
-
-static void *locate_hba_start(
-	struct seq_file *seq,
-	loff_t *pos)
-{
-	spin_lock(&se_global->g_device_lock);
-	return seq_list_start(&se_global->g_se_dev_list, *pos);
-}
-
-static void *locate_hba_next(
-	struct seq_file *seq,
-	void *v,
-	loff_t *pos)
-{
-	return seq_list_next(v, &se_global->g_se_dev_list, pos);
-}
-
-static void locate_hba_stop(struct seq_file *seq, void *v)
-{
-	spin_unlock(&se_global->g_device_lock);
-}
-
-/****************************************************************************
- * SCSI MIB Tables
- ****************************************************************************/
-
-/*
- * SCSI Instance Table
- */
-static void *scsi_inst_seq_start(
-	struct seq_file *seq,
-	loff_t *pos)
-{
-	spin_lock(&se_global->hba_lock);
-	return seq_list_start(&se_global->g_hba_list, *pos);
-}
-
-static void *scsi_inst_seq_next(
-	struct seq_file *seq,
-	void *v,
-	loff_t *pos)
-{
-	return seq_list_next(v, &se_global->g_hba_list, pos);
-}
-
-static void scsi_inst_seq_stop(struct seq_file *seq, void *v)
-{
-	spin_unlock(&se_global->hba_lock);
-}
-
-static int scsi_inst_seq_show(struct seq_file *seq, void *v)
-{
-	struct se_hba *hba = list_entry(v, struct se_hba, hba_list);
-
-	if (list_is_first(&hba->hba_list, &se_global->g_hba_list))
-		seq_puts(seq, "inst sw_indx\n");
-
-	seq_printf(seq, "%u %u\n", hba->hba_index, SCSI_INST_SW_INDEX);
-	seq_printf(seq, "plugin: %s version: %s\n",
-			hba->transport->name, TARGET_CORE_VERSION);
-
-	return 0;
-}
-
-static const struct seq_operations scsi_inst_seq_ops = {
-	.start	= scsi_inst_seq_start,
-	.next	= scsi_inst_seq_next,
-	.stop	= scsi_inst_seq_stop,
-	.show	= scsi_inst_seq_show
-};
-
-static int scsi_inst_seq_open(struct inode *inode, struct file *file)
-{
-	return seq_open(file, &scsi_inst_seq_ops);
-}
-
-static const struct file_operations scsi_inst_seq_fops = {
-	.owner	 = THIS_MODULE,
-	.open	 = scsi_inst_seq_open,
-	.read	 = seq_read,
-	.llseek	 = seq_lseek,
-	.release = seq_release,
-};
-
-/*
- * SCSI Device Table
- */
-static void *scsi_dev_seq_start(struct seq_file *seq, loff_t *pos)
-{
-	return locate_hba_start(seq, pos);
-}
-
-static void *scsi_dev_seq_next(struct seq_file *seq, void *v, loff_t *pos)
-{
-	return locate_hba_next(seq, v, pos);
-}
-
-static void scsi_dev_seq_stop(struct seq_file *seq, void *v)
-{
-	locate_hba_stop(seq, v);
-}
-
-static int scsi_dev_seq_show(struct seq_file *seq, void *v)
-{
-	struct se_hba *hba;
-	struct se_subsystem_dev *se_dev = list_entry(v, struct se_subsystem_dev,
-						g_se_dev_list);
-	struct se_device *dev = se_dev->se_dev_ptr;
-	char str[28];
-	int k;
-
-	if (list_is_first(&se_dev->g_se_dev_list, &se_global->g_se_dev_list))
-		seq_puts(seq, "inst indx role ports\n");
-
-	if (!(dev))
-		return 0;
-
-	hba = dev->se_hba;
-	if (!(hba)) {
-		/* Log error ? */
-		return 0;
-	}
-
-	seq_printf(seq, "%u %u %s %u\n", hba->hba_index,
-		   dev->dev_index, "Target", dev->dev_port_count);
-
-	memcpy(&str[0], (void *)DEV_T10_WWN(dev), 28);
-
-	/* vendor */
-	for (k = 0; k < 8; k++)
-		str[k] = ISPRINT(DEV_T10_WWN(dev)->vendor[k]) ?
-				DEV_T10_WWN(dev)->vendor[k] : 0x20;
-	str[k] = 0x20;
-
-	/* model */
-	for (k = 0; k < 16; k++)
-		str[k+9] = ISPRINT(DEV_T10_WWN(dev)->model[k]) ?
-				DEV_T10_WWN(dev)->model[k] : 0x20;
-	str[k + 9] = 0;
-
-	seq_printf(seq, "dev_alias: %s\n", str);
-
-	return 0;
-}
-
-static const struct seq_operations scsi_dev_seq_ops = {
-	.start  = scsi_dev_seq_start,
-	.next   = scsi_dev_seq_next,
-	.stop   = scsi_dev_seq_stop,
-	.show   = scsi_dev_seq_show
-};
-
-static int scsi_dev_seq_open(struct inode *inode, struct file *file)
-{
-	return seq_open(file, &scsi_dev_seq_ops);
-}
-
-static const struct file_operations scsi_dev_seq_fops = {
-	.owner	 = THIS_MODULE,
-	.open	 = scsi_dev_seq_open,
-	.read	 = seq_read,
-	.llseek	 = seq_lseek,
-	.release = seq_release,
-};
-
-/*
- * SCSI Port Table
- */
-static void *scsi_port_seq_start(struct seq_file *seq, loff_t *pos)
-{
-	return locate_hba_start(seq, pos);
-}
-
-static void *scsi_port_seq_next(struct seq_file *seq, void *v, loff_t *pos)
-{
-	return locate_hba_next(seq, v, pos);
-}
-
-static void scsi_port_seq_stop(struct seq_file *seq, void *v)
-{
-	locate_hba_stop(seq, v);
-}
-
-static int scsi_port_seq_show(struct seq_file *seq, void *v)
-{
-	struct se_hba *hba;
-	struct se_subsystem_dev *se_dev = list_entry(v, struct se_subsystem_dev,
-						g_se_dev_list);
-	struct se_device *dev = se_dev->se_dev_ptr;
-	struct se_port *sep, *sep_tmp;
-
-	if (list_is_first(&se_dev->g_se_dev_list, &se_global->g_se_dev_list))
-		seq_puts(seq, "inst device indx role busy_count\n");
-
-	if (!(dev))
-		return 0;
-
-	hba = dev->se_hba;
-	if (!(hba)) {
-		/* Log error ? */
-		return 0;
-	}
-
-	/* FIXME: scsiPortBusyStatuses count */
-	spin_lock(&dev->se_port_lock);
-	list_for_each_entry_safe(sep, sep_tmp, &dev->dev_sep_list, sep_list) {
-		seq_printf(seq, "%u %u %u %s%u %u\n", hba->hba_index,
-			dev->dev_index, sep->sep_index, "Device",
-			dev->dev_index, 0);
-	}
-	spin_unlock(&dev->se_port_lock);
-
-	return 0;
-}
-
-static const struct seq_operations scsi_port_seq_ops = {
-	.start  = scsi_port_seq_start,
-	.next   = scsi_port_seq_next,
-	.stop   = scsi_port_seq_stop,
-	.show   = scsi_port_seq_show
-};
-
-static int scsi_port_seq_open(struct inode *inode, struct file *file)
-{
-	return seq_open(file, &scsi_port_seq_ops);
-}
-
-static const struct file_operations scsi_port_seq_fops = {
-	.owner	 = THIS_MODULE,
-	.open	 = scsi_port_seq_open,
-	.read	 = seq_read,
-	.llseek	 = seq_lseek,
-	.release = seq_release,
-};
-
-/*
- * SCSI Transport Table
- */
-static void *scsi_transport_seq_start(struct seq_file *seq, loff_t *pos)
-{
-	return locate_hba_start(seq, pos);
-}
-
-static void *scsi_transport_seq_next(struct seq_file *seq, void *v, loff_t *pos)
-{
-	return locate_hba_next(seq, v, pos);
-}
-
-static void scsi_transport_seq_stop(struct seq_file *seq, void *v)
-{
-	locate_hba_stop(seq, v);
-}
-
-static int scsi_transport_seq_show(struct seq_file *seq, void *v)
-{
-	struct se_hba *hba;
-	struct se_subsystem_dev *se_dev = list_entry(v, struct se_subsystem_dev,
-						g_se_dev_list);
-	struct se_device *dev = se_dev->se_dev_ptr;
-	struct se_port *se, *se_tmp;
-	struct se_portal_group *tpg;
-	struct t10_wwn *wwn;
-	char buf[64];
-
-	if (list_is_first(&se_dev->g_se_dev_list, &se_global->g_se_dev_list))
-		seq_puts(seq, "inst device indx dev_name\n");
-
-	if (!(dev))
-		return 0;
-
-	hba = dev->se_hba;
-	if (!(hba)) {
-		/* Log error ? */
-		return 0;
-	}
-
-	wwn = DEV_T10_WWN(dev);
-
-	spin_lock(&dev->se_port_lock);
-	list_for_each_entry_safe(se, se_tmp, &dev->dev_sep_list, sep_list) {
-		tpg = se->sep_tpg;
-		sprintf(buf, "scsiTransport%s",
-				TPG_TFO(tpg)->get_fabric_name());
-
-		seq_printf(seq, "%u %s %u %s+%s\n",
-			hba->hba_index, /* scsiTransportIndex */
-			buf,  /* scsiTransportType */
-			(TPG_TFO(tpg)->tpg_get_inst_index != NULL) ?
-			TPG_TFO(tpg)->tpg_get_inst_index(tpg) :
-			0,
-			TPG_TFO(tpg)->tpg_get_wwn(tpg),
-			(strlen(wwn->unit_serial)) ?
-			/* scsiTransportDevName */
-			wwn->unit_serial : wwn->vendor);
-	}
-	spin_unlock(&dev->se_port_lock);
-
-	return 0;
-}
-
-static const struct seq_operations scsi_transport_seq_ops = {
-	.start  = scsi_transport_seq_start,
-	.next   = scsi_transport_seq_next,
-	.stop   = scsi_transport_seq_stop,
-	.show   = scsi_transport_seq_show
-};
-
-static int scsi_transport_seq_open(struct inode *inode, struct file *file)
-{
-	return seq_open(file, &scsi_transport_seq_ops);
-}
-
-static const struct file_operations scsi_transport_seq_fops = {
-	.owner	 = THIS_MODULE,
-	.open	 = scsi_transport_seq_open,
-	.read	 = seq_read,
-	.llseek	 = seq_lseek,
-	.release = seq_release,
-};
-
-/*
- * SCSI Target Device Table
- */
-static void *scsi_tgt_dev_seq_start(struct seq_file *seq, loff_t *pos)
-{
-	return locate_hba_start(seq, pos);
-}
-
-static void *scsi_tgt_dev_seq_next(struct seq_file *seq, void *v, loff_t *pos)
-{
-	return locate_hba_next(seq, v, pos);
-}
-
-static void scsi_tgt_dev_seq_stop(struct seq_file *seq, void *v)
-{
-	locate_hba_stop(seq, v);
-}
-
-
-#define LU_COUNT	1  /* for now */
-static int scsi_tgt_dev_seq_show(struct seq_file *seq, void *v)
-{
-	struct se_hba *hba;
-	struct se_subsystem_dev *se_dev = list_entry(v, struct se_subsystem_dev,
-						g_se_dev_list);
-	struct se_device *dev = se_dev->se_dev_ptr;
-	int non_accessible_lus = 0;
-	char status[16];
-
-	if (list_is_first(&se_dev->g_se_dev_list, &se_global->g_se_dev_list))
-		seq_puts(seq, "inst indx num_LUs status non_access_LUs"
-			" resets\n");
-
-	if (!(dev))
-		return 0;
-
-	hba = dev->se_hba;
-	if (!(hba)) {
-		/* Log error ? */
-		return 0;
-	}
-
-	switch (dev->dev_status) {
-	case TRANSPORT_DEVICE_ACTIVATED:
-		strcpy(status, "activated");
-		break;
-	case TRANSPORT_DEVICE_DEACTIVATED:
-		strcpy(status, "deactivated");
-		non_accessible_lus = 1;
-		break;
-	case TRANSPORT_DEVICE_SHUTDOWN:
-		strcpy(status, "shutdown");
-		non_accessible_lus = 1;
-		break;
-	case TRANSPORT_DEVICE_OFFLINE_ACTIVATED:
-	case TRANSPORT_DEVICE_OFFLINE_DEACTIVATED:
-		strcpy(status, "offline");
-		non_accessible_lus = 1;
-		break;
-	default:
-		sprintf(status, "unknown(%d)", dev->dev_status);
-		non_accessible_lus = 1;
-	}
-
-	seq_printf(seq, "%u %u %u %s %u %u\n",
-		   hba->hba_index, dev->dev_index, LU_COUNT,
-		   status, non_accessible_lus, dev->num_resets);
-
-	return 0;
-}
-
-static const struct seq_operations scsi_tgt_dev_seq_ops = {
-	.start  = scsi_tgt_dev_seq_start,
-	.next   = scsi_tgt_dev_seq_next,
-	.stop   = scsi_tgt_dev_seq_stop,
-	.show   = scsi_tgt_dev_seq_show
-};
-
-static int scsi_tgt_dev_seq_open(struct inode *inode, struct file *file)
-{
-	return seq_open(file, &scsi_tgt_dev_seq_ops);
-}
-
-static const struct file_operations scsi_tgt_dev_seq_fops = {
-	.owner	 = THIS_MODULE,
-	.open	 = scsi_tgt_dev_seq_open,
-	.read	 = seq_read,
-	.llseek	 = seq_lseek,
-	.release = seq_release,
-};
-
-/*
- * SCSI Target Port Table
- */
-static void *scsi_tgt_port_seq_start(struct seq_file *seq, loff_t *pos)
-{
-	return locate_hba_start(seq, pos);
-}
-
-static void *scsi_tgt_port_seq_next(struct seq_file *seq, void *v, loff_t *pos)
-{
-	return locate_hba_next(seq, v, pos);
-}
-
-static void scsi_tgt_port_seq_stop(struct seq_file *seq, void *v)
-{
-	locate_hba_stop(seq, v);
-}
-
-static int scsi_tgt_port_seq_show(struct seq_file *seq, void *v)
-{
-	struct se_hba *hba;
-	struct se_subsystem_dev *se_dev = list_entry(v, struct se_subsystem_dev,
-						g_se_dev_list);
-	struct se_device *dev = se_dev->se_dev_ptr;
-	struct se_port *sep, *sep_tmp;
-	struct se_portal_group *tpg;
-	u32 rx_mbytes, tx_mbytes;
-	unsigned long long num_cmds;
-	char buf[64];
-
-	if (list_is_first(&se_dev->g_se_dev_list, &se_global->g_se_dev_list))
-		seq_puts(seq, "inst device indx name port_index in_cmds"
-			" write_mbytes read_mbytes hs_in_cmds\n");
-
-	if (!(dev))
-		return 0;
-
-	hba = dev->se_hba;
-	if (!(hba)) {
-		/* Log error ? */
-		return 0;
-	}
-
-	spin_lock(&dev->se_port_lock);
-	list_for_each_entry_safe(sep, sep_tmp, &dev->dev_sep_list, sep_list) {
-		tpg = sep->sep_tpg;
-		sprintf(buf, "%sPort#",
-			TPG_TFO(tpg)->get_fabric_name());
-
-		seq_printf(seq, "%u %u %u %s%d %s%s%d ",
-		     hba->hba_index,
-		     dev->dev_index,
-		     sep->sep_index,
-		     buf, sep->sep_index,
-		     TPG_TFO(tpg)->tpg_get_wwn(tpg), "+t+",
-		     TPG_TFO(tpg)->tpg_get_tag(tpg));
-
-		spin_lock(&sep->sep_lun->lun_sep_lock);
-		num_cmds = sep->sep_stats.cmd_pdus;
-		rx_mbytes = (sep->sep_stats.rx_data_octets >> 20);
-		tx_mbytes = (sep->sep_stats.tx_data_octets >> 20);
-		spin_unlock(&sep->sep_lun->lun_sep_lock);
-
-		seq_printf(seq, "%llu %u %u %u\n", num_cmds,
-			rx_mbytes, tx_mbytes, 0);
-	}
-	spin_unlock(&dev->se_port_lock);
-
-	return 0;
-}
-
-static const struct seq_operations scsi_tgt_port_seq_ops = {
-	.start  = scsi_tgt_port_seq_start,
-	.next   = scsi_tgt_port_seq_next,
-	.stop   = scsi_tgt_port_seq_stop,
-	.show   = scsi_tgt_port_seq_show
-};
-
-static int scsi_tgt_port_seq_open(struct inode *inode, struct file *file)
-{
-	return seq_open(file, &scsi_tgt_port_seq_ops);
-}
-
-static const struct file_operations scsi_tgt_port_seq_fops = {
-	.owner	 = THIS_MODULE,
-	.open	 = scsi_tgt_port_seq_open,
-	.read	 = seq_read,
-	.llseek	 = seq_lseek,
-	.release = seq_release,
-};
-
-/*
- * SCSI Authorized Initiator Table:
- * It contains the SCSI Initiators authorized to be attached to one of the
- * local Target ports.
- * Iterates through all active TPGs and extracts the info from the ACLs
- */
-static void *scsi_auth_intr_seq_start(struct seq_file *seq, loff_t *pos)
-{
-	spin_lock_bh(&se_global->se_tpg_lock);
-	return seq_list_start(&se_global->g_se_tpg_list, *pos);
-}
-
-static void *scsi_auth_intr_seq_next(struct seq_file *seq, void *v,
-					 loff_t *pos)
-{
-	return seq_list_next(v, &se_global->g_se_tpg_list, pos);
-}
-
-static void scsi_auth_intr_seq_stop(struct seq_file *seq, void *v)
-{
-	spin_unlock_bh(&se_global->se_tpg_lock);
-}
-
-static int scsi_auth_intr_seq_show(struct seq_file *seq, void *v)
-{
-	struct se_portal_group *se_tpg = list_entry(v, struct se_portal_group,
-						se_tpg_list);
-	struct se_dev_entry *deve;
-	struct se_lun *lun;
-	struct se_node_acl *se_nacl;
-	int j;
-
-	if (list_is_first(&se_tpg->se_tpg_list,
-			  &se_global->g_se_tpg_list))
-		seq_puts(seq, "inst dev port indx dev_or_port intr_name "
-			 "map_indx att_count num_cmds read_mbytes "
-			 "write_mbytes hs_num_cmds creation_time row_status\n");
-
-	if (!(se_tpg))
-		return 0;
-
-	spin_lock(&se_tpg->acl_node_lock);
-	list_for_each_entry(se_nacl, &se_tpg->acl_node_list, acl_list) {
-
-		atomic_inc(&se_nacl->mib_ref_count);
-		smp_mb__after_atomic_inc();
-		spin_unlock(&se_tpg->acl_node_lock);
-
-		spin_lock_irq(&se_nacl->device_list_lock);
-		for (j = 0; j < TRANSPORT_MAX_LUNS_PER_TPG; j++) {
-			deve = &se_nacl->device_list[j];
-			if (!(deve->lun_flags &
-					TRANSPORT_LUNFLAGS_INITIATOR_ACCESS) ||
-			    (!deve->se_lun))
-				continue;
-			lun = deve->se_lun;
-			if (!lun->lun_se_dev)
-				continue;
-
-			seq_printf(seq, "%u %u %u %u %u %s %u %u %u %u %u %u"
-					" %u %s\n",
-				/* scsiInstIndex */
-				(TPG_TFO(se_tpg)->tpg_get_inst_index != NULL) ?
-				TPG_TFO(se_tpg)->tpg_get_inst_index(se_tpg) :
-				0,
-				/* scsiDeviceIndex */
-				lun->lun_se_dev->dev_index,
-				/* scsiAuthIntrTgtPortIndex */
-				TPG_TFO(se_tpg)->tpg_get_tag(se_tpg),
-				/* scsiAuthIntrIndex */
-				se_nacl->acl_index,
-				/* scsiAuthIntrDevOrPort */
-				1,
-				/* scsiAuthIntrName */
-				se_nacl->initiatorname[0] ?
-					se_nacl->initiatorname : NONE,
-				/* FIXME: scsiAuthIntrLunMapIndex */
-				0,
-				/* scsiAuthIntrAttachedTimes */
-				deve->attach_count,
-				/* scsiAuthIntrOutCommands */
-				deve->total_cmds,
-				/* scsiAuthIntrReadMegaBytes */
-				(u32)(deve->read_bytes >> 20),
-				/* scsiAuthIntrWrittenMegaBytes */
-				(u32)(deve->write_bytes >> 20),
-				/* FIXME: scsiAuthIntrHSOutCommands */
-				0,
-				/* scsiAuthIntrLastCreation */
-				(u32)(((u32)deve->creation_time -
-					    INITIAL_JIFFIES) * 100 / HZ),
-				/* FIXME: scsiAuthIntrRowStatus */
-				"Ready");
-		}
-		spin_unlock_irq(&se_nacl->device_list_lock);
-
-		spin_lock(&se_tpg->acl_node_lock);
-		atomic_dec(&se_nacl->mib_ref_count);
-		smp_mb__after_atomic_dec();
-	}
-	spin_unlock(&se_tpg->acl_node_lock);
-
-	return 0;
-}
-
-static const struct seq_operations scsi_auth_intr_seq_ops = {
-	.start	= scsi_auth_intr_seq_start,
-	.next	= scsi_auth_intr_seq_next,
-	.stop	= scsi_auth_intr_seq_stop,
-	.show	= scsi_auth_intr_seq_show
-};
-
-static int scsi_auth_intr_seq_open(struct inode *inode, struct file *file)
-{
-	return seq_open(file, &scsi_auth_intr_seq_ops);
-}
-
-static const struct file_operations scsi_auth_intr_seq_fops = {
-	.owner	 = THIS_MODULE,
-	.open	 = scsi_auth_intr_seq_open,
-	.read	 = seq_read,
-	.llseek	 = seq_lseek,
-	.release = seq_release,
-};
-
-/*
- * SCSI Attached Initiator Port Table:
- * It lists the SCSI Initiators attached to one of the local Target ports.
- * Iterates through all active TPGs and use active sessions from each TPG
- * to list the info fo this table.
- */
-static void *scsi_att_intr_port_seq_start(struct seq_file *seq, loff_t *pos)
-{
-	spin_lock_bh(&se_global->se_tpg_lock);
-	return seq_list_start(&se_global->g_se_tpg_list, *pos);
-}
-
-static void *scsi_att_intr_port_seq_next(struct seq_file *seq, void *v,
-					 loff_t *pos)
-{
-	return seq_list_next(v, &se_global->g_se_tpg_list, pos);
-}
-
-static void scsi_att_intr_port_seq_stop(struct seq_file *seq, void *v)
-{
-	spin_unlock_bh(&se_global->se_tpg_lock);
-}
-
-static int scsi_att_intr_port_seq_show(struct seq_file *seq, void *v)
-{
-	struct se_portal_group *se_tpg = list_entry(v, struct se_portal_group,
-						se_tpg_list);
-	struct se_dev_entry *deve;
-	struct se_lun *lun;
-	struct se_node_acl *se_nacl;
-	struct se_session *se_sess;
-	unsigned char buf[64];
-	int j;
-
-	if (list_is_first(&se_tpg->se_tpg_list,
-			  &se_global->g_se_tpg_list))
-		seq_puts(seq, "inst dev port indx port_auth_indx port_name"
-			" port_ident\n");
-
-	if (!(se_tpg))
-		return 0;
-
-	spin_lock(&se_tpg->session_lock);
-	list_for_each_entry(se_sess, &se_tpg->tpg_sess_list, sess_list) {
-		if ((TPG_TFO(se_tpg)->sess_logged_in(se_sess)) ||
-		    (!se_sess->se_node_acl) ||
-		    (!se_sess->se_node_acl->device_list))
-			continue;
-
-		atomic_inc(&se_sess->mib_ref_count);
-		smp_mb__after_atomic_inc();
-		se_nacl = se_sess->se_node_acl;
-		atomic_inc(&se_nacl->mib_ref_count);
-		smp_mb__after_atomic_inc();
-		spin_unlock(&se_tpg->session_lock);
-
-		spin_lock_irq(&se_nacl->device_list_lock);
-		for (j = 0; j < TRANSPORT_MAX_LUNS_PER_TPG; j++) {
-			deve = &se_nacl->device_list[j];
-			if (!(deve->lun_flags &
-					TRANSPORT_LUNFLAGS_INITIATOR_ACCESS) ||
-			   (!deve->se_lun))
-				continue;
-
-			lun = deve->se_lun;
-			if (!lun->lun_se_dev)
-				continue;
-
-			memset(buf, 0, 64);
-			if (TPG_TFO(se_tpg)->sess_get_initiator_sid != NULL)
-				TPG_TFO(se_tpg)->sess_get_initiator_sid(
-					se_sess, (unsigned char *)&buf[0], 64);
-
-			seq_printf(seq, "%u %u %u %u %u %s+i+%s\n",
-				/* scsiInstIndex */
-				(TPG_TFO(se_tpg)->tpg_get_inst_index != NULL) ?
-				TPG_TFO(se_tpg)->tpg_get_inst_index(se_tpg) :
-				0,
-				/* scsiDeviceIndex */
-				lun->lun_se_dev->dev_index,
-				/* scsiPortIndex */
-				TPG_TFO(se_tpg)->tpg_get_tag(se_tpg),
-				/* scsiAttIntrPortIndex */
-				(TPG_TFO(se_tpg)->sess_get_index != NULL) ?
-				TPG_TFO(se_tpg)->sess_get_index(se_sess) :
-				0,
-				/* scsiAttIntrPortAuthIntrIdx */
-				se_nacl->acl_index,
-				/* scsiAttIntrPortName */
-				se_nacl->initiatorname[0] ?
-					se_nacl->initiatorname : NONE,
-				/* scsiAttIntrPortIdentifier */
-				buf);
-		}
-		spin_unlock_irq(&se_nacl->device_list_lock);
-
-		spin_lock(&se_tpg->session_lock);
-		atomic_dec(&se_nacl->mib_ref_count);
-		smp_mb__after_atomic_dec();
-		atomic_dec(&se_sess->mib_ref_count);
-		smp_mb__after_atomic_dec();
-	}
-	spin_unlock(&se_tpg->session_lock);
-
-	return 0;
-}
-
-static const struct seq_operations scsi_att_intr_port_seq_ops = {
-	.start	= scsi_att_intr_port_seq_start,
-	.next	= scsi_att_intr_port_seq_next,
-	.stop	= scsi_att_intr_port_seq_stop,
-	.show	= scsi_att_intr_port_seq_show
-};
-
-static int scsi_att_intr_port_seq_open(struct inode *inode, struct file *file)
-{
-	return seq_open(file, &scsi_att_intr_port_seq_ops);
-}
-
-static const struct file_operations scsi_att_intr_port_seq_fops = {
-	.owner	 = THIS_MODULE,
-	.open	 = scsi_att_intr_port_seq_open,
-	.read	 = seq_read,
-	.llseek	 = seq_lseek,
-	.release = seq_release,
-};
-
-/*
- * SCSI Logical Unit Table
- */
-static void *scsi_lu_seq_start(struct seq_file *seq, loff_t *pos)
-{
-	return locate_hba_start(seq, pos);
-}
-
-static void *scsi_lu_seq_next(struct seq_file *seq, void *v, loff_t *pos)
-{
-	return locate_hba_next(seq, v, pos);
-}
-
-static void scsi_lu_seq_stop(struct seq_file *seq, void *v)
-{
-	locate_hba_stop(seq, v);
-}
-
-#define SCSI_LU_INDEX		1
-static int scsi_lu_seq_show(struct seq_file *seq, void *v)
-{
-	struct se_hba *hba;
-	struct se_subsystem_dev *se_dev = list_entry(v, struct se_subsystem_dev,
-						g_se_dev_list);
-	struct se_device *dev = se_dev->se_dev_ptr;
-	int j;
-	char str[28];
-
-	if (list_is_first(&se_dev->g_se_dev_list, &se_global->g_se_dev_list))
-		seq_puts(seq, "inst dev indx LUN lu_name vend prod rev"
-		" dev_type status state-bit num_cmds read_mbytes"
-		" write_mbytes resets full_stat hs_num_cmds creation_time\n");
-
-	if (!(dev))
-		return 0;
-
-	hba = dev->se_hba;
-	if (!(hba)) {
-		/* Log error ? */
-		return 0;
-	}
-
-	/* Fix LU state, if we can read it from the device */
-	seq_printf(seq, "%u %u %u %llu %s", hba->hba_index,
-			dev->dev_index, SCSI_LU_INDEX,
-			(unsigned long long)0, /* FIXME: scsiLuDefaultLun */
-			(strlen(DEV_T10_WWN(dev)->unit_serial)) ?
-			/* scsiLuWwnName */
-			(char *)&DEV_T10_WWN(dev)->unit_serial[0] :
-			"None");
-
-	memcpy(&str[0], (void *)DEV_T10_WWN(dev), 28);
-	/* scsiLuVendorId */
-	for (j = 0; j < 8; j++)
-		str[j] = ISPRINT(DEV_T10_WWN(dev)->vendor[j]) ?
-			DEV_T10_WWN(dev)->vendor[j] : 0x20;
-	str[8] = 0;
-	seq_printf(seq, " %s", str);
-
-	/* scsiLuProductId */
-	for (j = 0; j < 16; j++)
-		str[j] = ISPRINT(DEV_T10_WWN(dev)->model[j]) ?
-			DEV_T10_WWN(dev)->model[j] : 0x20;
-	str[16] = 0;
-	seq_printf(seq, " %s", str);
-
-	/* scsiLuRevisionId */
-	for (j = 0; j < 4; j++)
-		str[j] = ISPRINT(DEV_T10_WWN(dev)->revision[j]) ?
-			DEV_T10_WWN(dev)->revision[j] : 0x20;
-	str[4] = 0;
-	seq_printf(seq, " %s", str);
-
-	seq_printf(seq, " %u %s %s %llu %u %u %u %u %u %u\n",
-		/* scsiLuPeripheralType */
-		   TRANSPORT(dev)->get_device_type(dev),
-		   (dev->dev_status == TRANSPORT_DEVICE_ACTIVATED) ?
-		"available" : "notavailable", /* scsiLuStatus */
-		"exposed", 	/* scsiLuState */
-		(unsigned long long)dev->num_cmds,
-		/* scsiLuReadMegaBytes */
-		(u32)(dev->read_bytes >> 20),
-		/* scsiLuWrittenMegaBytes */
-		(u32)(dev->write_bytes >> 20),
-		dev->num_resets, /* scsiLuInResets */
-		0, /* scsiLuOutTaskSetFullStatus */
-		0, /* scsiLuHSInCommands */
-		(u32)(((u32)dev->creation_time - INITIAL_JIFFIES) *
-							100 / HZ));
-
-	return 0;
-}
-
-static const struct seq_operations scsi_lu_seq_ops = {
-	.start  = scsi_lu_seq_start,
-	.next   = scsi_lu_seq_next,
-	.stop   = scsi_lu_seq_stop,
-	.show   = scsi_lu_seq_show
-};
-
-static int scsi_lu_seq_open(struct inode *inode, struct file *file)
-{
-	return seq_open(file, &scsi_lu_seq_ops);
-}
-
-static const struct file_operations scsi_lu_seq_fops = {
-	.owner	 = THIS_MODULE,
-	.open	 = scsi_lu_seq_open,
-	.read	 = seq_read,
-	.llseek	 = seq_lseek,
-	.release = seq_release,
-};
-
-/****************************************************************************/
-
-/*
- * Remove proc fs entries
- */
-void remove_scsi_target_mib(void)
-{
-	remove_proc_entry("scsi_target/mib/scsi_inst", NULL);
-	remove_proc_entry("scsi_target/mib/scsi_dev", NULL);
-	remove_proc_entry("scsi_target/mib/scsi_port", NULL);
-	remove_proc_entry("scsi_target/mib/scsi_transport", NULL);
-	remove_proc_entry("scsi_target/mib/scsi_tgt_dev", NULL);
-	remove_proc_entry("scsi_target/mib/scsi_tgt_port", NULL);
-	remove_proc_entry("scsi_target/mib/scsi_auth_intr", NULL);
-	remove_proc_entry("scsi_target/mib/scsi_att_intr_port", NULL);
-	remove_proc_entry("scsi_target/mib/scsi_lu", NULL);
-	remove_proc_entry("scsi_target/mib", NULL);
-}
-
-/*
- * Create proc fs entries for the mib tables
- */
-int init_scsi_target_mib(void)
-{
-	struct proc_dir_entry *dir_entry;
-	struct proc_dir_entry *scsi_inst_entry;
-	struct proc_dir_entry *scsi_dev_entry;
-	struct proc_dir_entry *scsi_port_entry;
-	struct proc_dir_entry *scsi_transport_entry;
-	struct proc_dir_entry *scsi_tgt_dev_entry;
-	struct proc_dir_entry *scsi_tgt_port_entry;
-	struct proc_dir_entry *scsi_auth_intr_entry;
-	struct proc_dir_entry *scsi_att_intr_port_entry;
-	struct proc_dir_entry *scsi_lu_entry;
-
-	dir_entry = proc_mkdir("scsi_target/mib", NULL);
-	if (!(dir_entry)) {
-		printk(KERN_ERR "proc_mkdir() failed.\n");
-		return -1;
-	}
-
-	scsi_inst_entry =
-		create_proc_entry("scsi_target/mib/scsi_inst", 0, NULL);
-	if (scsi_inst_entry)
-		scsi_inst_entry->proc_fops = &scsi_inst_seq_fops;
-	else
-		goto error;
-
-	scsi_dev_entry =
-		create_proc_entry("scsi_target/mib/scsi_dev", 0, NULL);
-	if (scsi_dev_entry)
-		scsi_dev_entry->proc_fops = &scsi_dev_seq_fops;
-	else
-		goto error;
-
-	scsi_port_entry =
-		create_proc_entry("scsi_target/mib/scsi_port", 0, NULL);
-	if (scsi_port_entry)
-		scsi_port_entry->proc_fops = &scsi_port_seq_fops;
-	else
-		goto error;
-
-	scsi_transport_entry =
-		create_proc_entry("scsi_target/mib/scsi_transport", 0, NULL);
-	if (scsi_transport_entry)
-		scsi_transport_entry->proc_fops = &scsi_transport_seq_fops;
-	else
-		goto error;
-
-	scsi_tgt_dev_entry =
-		create_proc_entry("scsi_target/mib/scsi_tgt_dev", 0, NULL);
-	if (scsi_tgt_dev_entry)
-		scsi_tgt_dev_entry->proc_fops = &scsi_tgt_dev_seq_fops;
-	else
-		goto error;
-
-	scsi_tgt_port_entry =
-		create_proc_entry("scsi_target/mib/scsi_tgt_port", 0, NULL);
-	if (scsi_tgt_port_entry)
-		scsi_tgt_port_entry->proc_fops = &scsi_tgt_port_seq_fops;
-	else
-		goto error;
-
-	scsi_auth_intr_entry =
-		create_proc_entry("scsi_target/mib/scsi_auth_intr", 0, NULL);
-	if (scsi_auth_intr_entry)
-		scsi_auth_intr_entry->proc_fops = &scsi_auth_intr_seq_fops;
-	else
-		goto error;
-
-	scsi_att_intr_port_entry =
-	      create_proc_entry("scsi_target/mib/scsi_att_intr_port", 0, NULL);
-	if (scsi_att_intr_port_entry)
-		scsi_att_intr_port_entry->proc_fops =
-				&scsi_att_intr_port_seq_fops;
-	else
-		goto error;
-
-	scsi_lu_entry = create_proc_entry("scsi_target/mib/scsi_lu", 0, NULL);
-	if (scsi_lu_entry)
-		scsi_lu_entry->proc_fops = &scsi_lu_seq_fops;
-	else
-		goto error;
-
-	return 0;
-
-error:
-	printk(KERN_ERR "create_proc_entry() failed.\n");
-	remove_scsi_target_mib();
-	return -1;
-}
-
-/*
- * Initialize the index table for allocating unique row indexes to various mib
- * tables
- */
-void init_scsi_index_table(void)
-{
-	memset(&scsi_index_table, 0, sizeof(struct scsi_index_table));
-	spin_lock_init(&scsi_index_table.lock);
-}
-
-/*
- * Allocate a new row index for the entry type specified
- */
-u32 scsi_get_new_index(scsi_index_t type)
-{
-	u32 new_index;
-
-	if ((type < 0) || (type >= SCSI_INDEX_TYPE_MAX)) {
-		printk(KERN_ERR "Invalid index type %d\n", type);
-		return -1;
-	}
-
-	spin_lock(&scsi_index_table.lock);
-	new_index = ++scsi_index_table.scsi_mib_index[type];
-	if (new_index == 0)
-		new_index = ++scsi_index_table.scsi_mib_index[type];
-	spin_unlock(&scsi_index_table.lock);
-
-	return new_index;
-}
-EXPORT_SYMBOL(scsi_get_new_index);
diff --git a/drivers/target/target_core_mib.h b/drivers/target/target_core_mib.h
deleted file mode 100644
index 2772046..0000000
--- a/drivers/target/target_core_mib.h
+++ /dev/null
@@ -1,28 +0,0 @@
-#ifndef TARGET_CORE_MIB_H
-#define TARGET_CORE_MIB_H
-
-typedef enum {
-	SCSI_INST_INDEX,
-	SCSI_DEVICE_INDEX,
-	SCSI_AUTH_INTR_INDEX,
-	SCSI_INDEX_TYPE_MAX
-} scsi_index_t;
-
-struct scsi_index_table {
-	spinlock_t	lock;
-	u32 		scsi_mib_index[SCSI_INDEX_TYPE_MAX];
-} ____cacheline_aligned;
-
-/* SCSI Port stats */
-struct scsi_port_stats {
-	u64	cmd_pdus;
-	u64	tx_data_octets;
-	u64	rx_data_octets;
-} ____cacheline_aligned;
-
-extern int init_scsi_target_mib(void);
-extern void remove_scsi_target_mib(void);
-extern void init_scsi_index_table(void);
-extern u32 scsi_get_new_index(scsi_index_t);
-
-#endif   /*** TARGET_CORE_MIB_H ***/
diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c
index 742d246..f2a08477a 100644
--- a/drivers/target/target_core_pscsi.c
+++ b/drivers/target/target_core_pscsi.c
@@ -462,8 +462,8 @@
 	 */
 	bd = blkdev_get_by_path(se_dev->se_dev_udev_path,
 				FMODE_WRITE|FMODE_READ|FMODE_EXCL, pdv);
-	if (!(bd)) {
-		printk("pSCSI: blkdev_get_by_path() failed\n");
+	if (IS_ERR(bd)) {
+		printk(KERN_ERR "pSCSI: blkdev_get_by_path() failed\n");
 		scsi_device_put(sd);
 		return NULL;
 	}
diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c
index abfa81a..c26f674 100644
--- a/drivers/target/target_core_tpg.c
+++ b/drivers/target/target_core_tpg.c
@@ -275,7 +275,6 @@
 	spin_lock_init(&acl->device_list_lock);
 	spin_lock_init(&acl->nacl_sess_lock);
 	atomic_set(&acl->acl_pr_ref_count, 0);
-	atomic_set(&acl->mib_ref_count, 0);
 	acl->queue_depth = TPG_TFO(tpg)->tpg_get_default_depth(tpg);
 	snprintf(acl->initiatorname, TRANSPORT_IQN_LEN, "%s", initiatorname);
 	acl->se_tpg = tpg;
@@ -318,12 +317,6 @@
 		cpu_relax();
 }
 
-void core_tpg_wait_for_mib_ref(struct se_node_acl *nacl)
-{
-	while (atomic_read(&nacl->mib_ref_count) != 0)
-		cpu_relax();
-}
-
 void core_tpg_clear_object_luns(struct se_portal_group *tpg)
 {
 	int i, ret;
@@ -480,7 +473,6 @@
 	spin_unlock_bh(&tpg->session_lock);
 
 	core_tpg_wait_for_nacl_pr_ref(acl);
-	core_tpg_wait_for_mib_ref(acl);
 	core_clear_initiator_node_from_tpg(acl, tpg);
 	core_free_device_list_for_node(acl, tpg);
 
@@ -701,6 +693,8 @@
 
 int core_tpg_deregister(struct se_portal_group *se_tpg)
 {
+	struct se_node_acl *nacl, *nacl_tmp;
+
 	printk(KERN_INFO "TARGET_CORE[%s]: Deallocating %s struct se_portal_group"
 		" for endpoint: %s Portal Tag %u\n",
 		(se_tpg->se_tpg_type == TRANSPORT_TPG_TYPE_NORMAL) ?
@@ -714,6 +708,25 @@
 
 	while (atomic_read(&se_tpg->tpg_pr_ref_count) != 0)
 		cpu_relax();
+	/*
+	 * Release any remaining demo-mode generated se_node_acl that have
+	 * not been released because of TFO->tpg_check_demo_mode_cache() == 1
+	 * in transport_deregister_session().
+	 */
+	spin_lock_bh(&se_tpg->acl_node_lock);
+	list_for_each_entry_safe(nacl, nacl_tmp, &se_tpg->acl_node_list,
+			acl_list) {
+		list_del(&nacl->acl_list);
+		se_tpg->num_node_acls--;
+		spin_unlock_bh(&se_tpg->acl_node_lock);
+
+		core_tpg_wait_for_nacl_pr_ref(nacl);
+		core_free_device_list_for_node(nacl, se_tpg);
+		TPG_TFO(se_tpg)->tpg_release_fabric_acl(se_tpg, nacl);
+
+		spin_lock_bh(&se_tpg->acl_node_lock);
+	}
+	spin_unlock_bh(&se_tpg->acl_node_lock);
 
 	if (se_tpg->se_tpg_type == TRANSPORT_TPG_TYPE_NORMAL)
 		core_tpg_release_virtual_lun0(se_tpg);
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 28b6292ff..236e22d 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -379,6 +379,40 @@
 	se_global = NULL;
 }
 
+/* SCSI statistics table index */
+static struct scsi_index_table scsi_index_table;
+
+/*
+ * Initialize the index table for allocating unique row indexes to various mib
+ * tables.
+ */
+void init_scsi_index_table(void)
+{
+	memset(&scsi_index_table, 0, sizeof(struct scsi_index_table));
+	spin_lock_init(&scsi_index_table.lock);
+}
+
+/*
+ * Allocate a new row index for the entry type specified
+ */
+u32 scsi_get_new_index(scsi_index_t type)
+{
+	u32 new_index;
+
+	if ((type < 0) || (type >= SCSI_INDEX_TYPE_MAX)) {
+		printk(KERN_ERR "Invalid index type %d\n", type);
+		return -EINVAL;
+	}
+
+	spin_lock(&scsi_index_table.lock);
+	new_index = ++scsi_index_table.scsi_mib_index[type];
+	if (new_index == 0)
+		new_index = ++scsi_index_table.scsi_mib_index[type];
+	spin_unlock(&scsi_index_table.lock);
+
+	return new_index;
+}
+
 void transport_init_queue_obj(struct se_queue_obj *qobj)
 {
 	atomic_set(&qobj->queue_cnt, 0);
@@ -437,7 +471,6 @@
 	}
 	INIT_LIST_HEAD(&se_sess->sess_list);
 	INIT_LIST_HEAD(&se_sess->sess_acl_list);
-	atomic_set(&se_sess->mib_ref_count, 0);
 
 	return se_sess;
 }
@@ -546,12 +579,6 @@
 		transport_free_session(se_sess);
 		return;
 	}
-	/*
-	 * Wait for possible reference in drivers/target/target_core_mib.c:
-	 * scsi_att_intr_port_seq_show()
-	 */
-	while (atomic_read(&se_sess->mib_ref_count) != 0)
-		cpu_relax();
 
 	spin_lock_bh(&se_tpg->session_lock);
 	list_del(&se_sess->sess_list);
@@ -574,7 +601,6 @@
 				spin_unlock_bh(&se_tpg->acl_node_lock);
 
 				core_tpg_wait_for_nacl_pr_ref(se_nacl);
-				core_tpg_wait_for_mib_ref(se_nacl);
 				core_free_device_list_for_node(se_nacl, se_tpg);
 				TPG_TFO(se_tpg)->tpg_release_fabric_acl(se_tpg,
 						se_nacl);
@@ -4827,6 +4853,8 @@
 
 		return ret;
 	}
+
+	BUG_ON(list_empty(se_mem_list));
 	/*
 	 * This is the normal path for all normal non BIDI and BIDI-COMMAND
 	 * WRITE payloads..  If we need to do BIDI READ passthrough for
@@ -5008,7 +5036,9 @@
 		struct se_mem *se_mem = NULL, *se_mem_lout = NULL;
 		u32 se_mem_cnt = 0, task_offset = 0;
 
-		BUG_ON(list_empty(cmd->t_task->t_mem_list));
+		if (!list_empty(T_TASK(cmd)->t_mem_list))
+			se_mem = list_entry(T_TASK(cmd)->t_mem_list->next,
+					struct se_mem, se_list);
 
 		ret = transport_do_se_mem_map(dev, task,
 				cmd->t_task->t_mem_list, NULL, se_mem,
diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig
index f7a5dba..bf7c687 100644
--- a/drivers/thermal/Kconfig
+++ b/drivers/thermal/Kconfig
@@ -4,7 +4,6 @@
 
 menuconfig THERMAL
 	tristate "Generic Thermal sysfs driver"
-	depends on NET
 	help
 	  Generic Thermal Sysfs driver offers a generic mechanism for
 	  thermal management. Usually it's made up of one or more thermal
diff --git a/drivers/thermal/thermal_sys.c b/drivers/thermal/thermal_sys.c
index 7d0e63c..713b7ea 100644
--- a/drivers/thermal/thermal_sys.c
+++ b/drivers/thermal/thermal_sys.c
@@ -62,20 +62,6 @@
 
 static unsigned int thermal_event_seqnum;
 
-static struct genl_family thermal_event_genl_family = {
-	.id = GENL_ID_GENERATE,
-	.name = THERMAL_GENL_FAMILY_NAME,
-	.version = THERMAL_GENL_VERSION,
-	.maxattr = THERMAL_GENL_ATTR_MAX,
-};
-
-static struct genl_multicast_group thermal_event_mcgrp = {
-	.name = THERMAL_GENL_MCAST_GROUP_NAME,
-};
-
-static int genetlink_init(void);
-static void genetlink_exit(void);
-
 static int get_idr(struct idr *idr, struct mutex *lock, int *id)
 {
 	int err;
@@ -1225,6 +1211,18 @@
 
 EXPORT_SYMBOL(thermal_zone_device_unregister);
 
+#ifdef CONFIG_NET
+static struct genl_family thermal_event_genl_family = {
+	.id = GENL_ID_GENERATE,
+	.name = THERMAL_GENL_FAMILY_NAME,
+	.version = THERMAL_GENL_VERSION,
+	.maxattr = THERMAL_GENL_ATTR_MAX,
+};
+
+static struct genl_multicast_group thermal_event_mcgrp = {
+	.name = THERMAL_GENL_MCAST_GROUP_NAME,
+};
+
 int generate_netlink_event(u32 orig, enum events event)
 {
 	struct sk_buff *skb;
@@ -1301,6 +1299,15 @@
 	return result;
 }
 
+static void genetlink_exit(void)
+{
+	genl_unregister_family(&thermal_event_genl_family);
+}
+#else /* !CONFIG_NET */
+static inline int genetlink_init(void) { return 0; }
+static inline void genetlink_exit(void) {}
+#endif /* !CONFIG_NET */
+
 static int __init thermal_init(void)
 {
 	int result = 0;
@@ -1316,11 +1323,6 @@
 	return result;
 }
 
-static void genetlink_exit(void)
-{
-	genl_unregister_family(&thermal_event_genl_family);
-}
-
 static void __exit thermal_exit(void)
 {
 	class_unregister(&thermal_class);
diff --git a/drivers/tty/hvc/Makefile b/drivers/tty/hvc/Makefile
index e6bed5f..d79e7e9 100644
--- a/drivers/tty/hvc/Makefile
+++ b/drivers/tty/hvc/Makefile
@@ -10,4 +10,3 @@
 obj-$(CONFIG_HVC_IUCV)		+= hvc_iucv.o
 obj-$(CONFIG_HVC_UDBG)		+= hvc_udbg.o
 obj-$(CONFIG_HVCS)		+= hvcs.o
-obj-$(CONFIG_VIRTIO_CONSOLE)	+= virtio_console.o
diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index 44b8412..aa2e5d3 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -2414,6 +2414,7 @@
 
 	gsm->initiator = c->initiator;
 	gsm->mru = c->mru;
+	gsm->mtu = c->mtu;
 	gsm->encoding = c->encapsulation;
 	gsm->adaption = c->adaption;
 	gsm->n2 = c->n2;
diff --git a/drivers/tty/serial/68328serial.c b/drivers/tty/serial/68328serial.c
index be0ebce..de0160e 100644
--- a/drivers/tty/serial/68328serial.c
+++ b/drivers/tty/serial/68328serial.c
@@ -262,7 +262,7 @@
 
 static void receive_chars(struct m68k_serial *info, unsigned short rx)
 {
-	struct tty_struct *tty = info->port.tty;
+	struct tty_struct *tty = info->tty;
 	m68328_uart *uart = &uart_addr[info->line];
 	unsigned char ch, flag;
 
@@ -329,7 +329,7 @@
 		goto clear_and_return;
 	}
 
-	if((info->xmit_cnt <= 0) || info->port.tty->stopped) {
+	if((info->xmit_cnt <= 0) || info->tty->stopped) {
 		/* That's peculiar... TX ints off */
 		uart->ustcnt &= ~USTCNT_TX_INTR_MASK;
 		goto clear_and_return;
@@ -383,7 +383,7 @@
 	struct m68k_serial	*info = container_of(work, struct m68k_serial, tqueue);
 	struct tty_struct	*tty;
 	
-	tty = info->port.tty;
+	tty = info->tty;
 	if (!tty)
 		return;
 #if 0
@@ -407,7 +407,7 @@
 	struct m68k_serial	*info = container_of(work, struct m68k_serial, tqueue_hangup);
 	struct tty_struct	*tty;
 	
-	tty = info->port.tty;
+	tty = info->tty;
 	if (!tty)
 		return;
 
@@ -451,8 +451,8 @@
 	uart->ustcnt = USTCNT_UEN | USTCNT_RXEN | USTCNT_RX_INTR_MASK;
 #endif
 
-	if (info->port.tty)
-		clear_bit(TTY_IO_ERROR, &info->port.tty->flags);
+	if (info->tty)
+		clear_bit(TTY_IO_ERROR, &info->tty->flags);
 	info->xmit_cnt = info->xmit_head = info->xmit_tail = 0;
 
 	/*
@@ -486,8 +486,8 @@
 		info->xmit_buf = 0;
 	}
 
-	if (info->port.tty)
-		set_bit(TTY_IO_ERROR, &info->port.tty->flags);
+	if (info->tty)
+		set_bit(TTY_IO_ERROR, &info->tty->flags);
 	
 	info->flags &= ~S_INITIALIZED;
 	local_irq_restore(flags);
@@ -553,9 +553,9 @@
 	unsigned cflag;
 	int	i;
 
-	if (!info->port.tty || !info->port.tty->termios)
+	if (!info->tty || !info->tty->termios)
 		return;
-	cflag = info->port.tty->termios->c_cflag;
+	cflag = info->tty->termios->c_cflag;
 	if (!(port = info->port))
 		return;
 
@@ -970,7 +970,6 @@
 static int rs_ioctl(struct tty_struct *tty, struct file * file,
 		    unsigned int cmd, unsigned long arg)
 {
-	int error;
 	struct m68k_serial * info = (struct m68k_serial *)tty->driver_data;
 	int retval;
 
@@ -1104,7 +1103,7 @@
 	tty_ldisc_flush(tty);
 	tty->closing = 0;
 	info->event = 0;
-	info->port.tty = NULL;
+	info->tty = NULL;
 #warning "This is not and has never been valid so fix it"	
 #if 0
 	if (tty->ldisc.num != ldiscs[N_TTY].num) {
@@ -1142,7 +1141,7 @@
 	info->event = 0;
 	info->count = 0;
 	info->flags &= ~S_NORMAL_ACTIVE;
-	info->port.tty = NULL;
+	info->tty = NULL;
 	wake_up_interruptible(&info->open_wait);
 }
 
@@ -1261,7 +1260,7 @@
 
 	info->count++;
 	tty->driver_data = info;
-	info->port.tty = tty;
+	info->tty = tty;
 
 	/*
 	 * Start up serial port
@@ -1338,7 +1337,7 @@
 	    info = &m68k_soft[i];
 	    info->magic = SERIAL_MAGIC;
 	    info->port = (int) &uart_addr[i];
-	    info->port.tty = NULL;
+	    info->tty = NULL;
 	    info->irq = uart_irqs[i];
 	    info->custom_divisor = 16;
 	    info->close_delay = 50;
diff --git a/drivers/tty/serial/68360serial.c b/drivers/tty/serial/68360serial.c
index 88b1335..bc21eea 100644
--- a/drivers/tty/serial/68360serial.c
+++ b/drivers/tty/serial/68360serial.c
@@ -2428,6 +2428,7 @@
 	/* .read_proc = rs_360_read_proc, */
 	.tiocmget = rs_360_tiocmget,
 	.tiocmset = rs_360_tiocmset,
+	.get_icount = rs_360_get_icount,
 };
 
 static int __init rs_360_init(void)
diff --git a/drivers/tty/serial/bfin_5xx.c b/drivers/tty/serial/bfin_5xx.c
index e381b89..9b1ff2b 100644
--- a/drivers/tty/serial/bfin_5xx.c
+++ b/drivers/tty/serial/bfin_5xx.c
@@ -370,10 +370,8 @@
 {
 	struct bfin_serial_port *uart = dev_id;
 
-	spin_lock(&uart->port.lock);
 	while (UART_GET_LSR(uart) & DR)
 		bfin_serial_rx_chars(uart);
-	spin_unlock(&uart->port.lock);
 
 	return IRQ_HANDLED;
 }
@@ -490,9 +488,8 @@
 {
 	int x_pos, pos;
 
-	dma_disable_irq(uart->tx_dma_channel);
-	dma_disable_irq(uart->rx_dma_channel);
-	spin_lock_bh(&uart->port.lock);
+	dma_disable_irq_nosync(uart->rx_dma_channel);
+	spin_lock_bh(&uart->rx_lock);
 
 	/* 2D DMA RX buffer ring is used. Because curr_y_count and
 	 * curr_x_count can't be read as an atomic operation,
@@ -523,8 +520,7 @@
 		uart->rx_dma_buf.tail = uart->rx_dma_buf.head;
 	}
 
-	spin_unlock_bh(&uart->port.lock);
-	dma_enable_irq(uart->tx_dma_channel);
+	spin_unlock_bh(&uart->rx_lock);
 	dma_enable_irq(uart->rx_dma_channel);
 
 	mod_timer(&(uart->rx_dma_timer), jiffies + DMA_RX_FLUSH_JIFFIES);
@@ -571,7 +567,7 @@
 	unsigned short irqstat;
 	int x_pos, pos;
 
-	spin_lock(&uart->port.lock);
+	spin_lock(&uart->rx_lock);
 	irqstat = get_dma_curr_irqstat(uart->rx_dma_channel);
 	clear_dma_irqstat(uart->rx_dma_channel);
 
@@ -589,7 +585,7 @@
 		uart->rx_dma_buf.tail = uart->rx_dma_buf.head;
 	}
 
-	spin_unlock(&uart->port.lock);
+	spin_unlock(&uart->rx_lock);
 
 	return IRQ_HANDLED;
 }
@@ -1332,6 +1328,7 @@
 		}
 
 #ifdef CONFIG_SERIAL_BFIN_DMA
+		spin_lock_init(&uart->rx_lock);
 		uart->tx_done	    = 1;
 		uart->tx_count	    = 0;
 
diff --git a/drivers/tty/serial/max3100.c b/drivers/tty/serial/max3100.c
index beb1afa2..7b951ad 100644
--- a/drivers/tty/serial/max3100.c
+++ b/drivers/tty/serial/max3100.c
@@ -601,7 +601,7 @@
 	s->rts = 0;
 
 	sprintf(b, "max3100-%d", s->minor);
-	s->workqueue = create_freezeable_workqueue(b);
+	s->workqueue = create_freezable_workqueue(b);
 	if (!s->workqueue) {
 		dev_warn(&s->spi->dev, "cannot create workqueue\n");
 		return -EBUSY;
diff --git a/drivers/tty/serial/max3107.c b/drivers/tty/serial/max3107.c
index 910870e..750b4f6 100644
--- a/drivers/tty/serial/max3107.c
+++ b/drivers/tty/serial/max3107.c
@@ -833,7 +833,7 @@
 	struct max3107_port *s = container_of(port, struct max3107_port, port);
 
 	/* Initialize work queue */
-	s->workqueue = create_freezeable_workqueue("max3107");
+	s->workqueue = create_freezable_workqueue("max3107");
 	if (!s->workqueue) {
 		dev_err(&s->spi->dev, "Workqueue creation failed\n");
 		return -EBUSY;
diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c
index 8e0dd25..81f1395 100644
--- a/drivers/tty/sysrq.c
+++ b/drivers/tty/sysrq.c
@@ -571,6 +571,7 @@
 	unsigned int alt_use;
 	bool active;
 	bool need_reinject;
+	bool reinjecting;
 };
 
 static void sysrq_reinject_alt_sysrq(struct work_struct *work)
@@ -581,6 +582,10 @@
 	unsigned int alt_code = sysrq->alt_use;
 
 	if (sysrq->need_reinject) {
+		/* we do not want the assignment to be reordered */
+		sysrq->reinjecting = true;
+		mb();
+
 		/* Simulate press and release of Alt + SysRq */
 		input_inject_event(handle, EV_KEY, alt_code, 1);
 		input_inject_event(handle, EV_KEY, KEY_SYSRQ, 1);
@@ -589,6 +594,9 @@
 		input_inject_event(handle, EV_KEY, KEY_SYSRQ, 0);
 		input_inject_event(handle, EV_KEY, alt_code, 0);
 		input_inject_event(handle, EV_SYN, SYN_REPORT, 1);
+
+		mb();
+		sysrq->reinjecting = false;
 	}
 }
 
@@ -599,6 +607,13 @@
 	bool was_active = sysrq->active;
 	bool suppress;
 
+	/*
+	 * Do not filter anything if we are in the process of re-injecting
+	 * Alt+SysRq combination.
+	 */
+	if (sysrq->reinjecting)
+		return false;
+
 	switch (type) {
 
 	case EV_SYN:
@@ -629,7 +644,7 @@
 				sysrq->alt_use = sysrq->alt;
 				/*
 				 * If nothing else will be pressed we'll need
-				 * to * re-inject Alt-SysRq keysroke.
+				 * to re-inject Alt-SysRq keysroke.
 				 */
 				sysrq->need_reinject = true;
 			}
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index d6ede98..4ab49d4 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1607,6 +1607,7 @@
 	{ NOKIA_PCSUITE_ACM_INFO(0x0154), }, /* Nokia 5800 XpressMusic */
 	{ NOKIA_PCSUITE_ACM_INFO(0x04ce), }, /* Nokia E90 */
 	{ NOKIA_PCSUITE_ACM_INFO(0x01d4), }, /* Nokia E55 */
+	{ NOKIA_PCSUITE_ACM_INFO(0x0302), }, /* Nokia N8 */
 	{ SAMSUNG_PCSUITE_ACM_INFO(0x6651), }, /* Samsung GTi8510 (INNOV8) */
 
 	/* NOTE: non-Nokia COMM/ACM/0xff is likely MSFT RNDIS... NOT a modem! */
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 6a95017..e935f71 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -1955,7 +1955,6 @@
 
 	dev_dbg(&rhdev->dev, "usb %s%s\n",
 			(msg.event & PM_EVENT_AUTO ? "auto-" : ""), "resume");
-	clear_bit(HCD_FLAG_WAKEUP_PENDING, &hcd->flags);
 	if (!hcd->driver->bus_resume)
 		return -ENOENT;
 	if (hcd->state == HC_STATE_RUNNING)
@@ -1963,6 +1962,7 @@
 
 	hcd->state = HC_STATE_RESUMING;
 	status = hcd->driver->bus_resume(hcd);
+	clear_bit(HCD_FLAG_WAKEUP_PENDING, &hcd->flags);
 	if (status == 0) {
 		/* TRSMRCY = 10 msec */
 		msleep(10);
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 4310cc4..0f299b7 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -2681,17 +2681,13 @@
 
 	mutex_lock(&usb_address0_mutex);
 
-	if (!udev->config && oldspeed == USB_SPEED_SUPER) {
-		/* Don't reset USB 3.0 devices during an initial setup */
-		usb_set_device_state(udev, USB_STATE_DEFAULT);
-	} else {
-		/* Reset the device; full speed may morph to high speed */
-		/* FIXME a USB 2.0 device may morph into SuperSpeed on reset. */
-		retval = hub_port_reset(hub, port1, udev, delay);
-		if (retval < 0)		/* error or disconnect */
-			goto fail;
-		/* success, speed is known */
-	}
+	/* Reset the device; full speed may morph to high speed */
+	/* FIXME a USB 2.0 device may morph into SuperSpeed on reset. */
+	retval = hub_port_reset(hub, port1, udev, delay);
+	if (retval < 0)		/* error or disconnect */
+		goto fail;
+	/* success, speed is known */
+
 	retval = -ENODEV;
 
 	if (oldspeed != USB_SPEED_UNKNOWN && oldspeed != udev->speed) {
@@ -2753,6 +2749,11 @@
 		udev->ttport = hdev->ttport;
 	} else if (udev->speed != USB_SPEED_HIGH
 			&& hdev->speed == USB_SPEED_HIGH) {
+		if (!hub->tt.hub) {
+			dev_err(&udev->dev, "parent hub has no TT\n");
+			retval = -EINVAL;
+			goto fail;
+		}
 		udev->tt = &hub->tt;
 		udev->ttport = port1;
 	}
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 44c5954..81ce6a8 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -48,6 +48,10 @@
 	{ USB_DEVICE(0x04b4, 0x0526), .driver_info =
 			USB_QUIRK_CONFIG_INTF_STRINGS },
 
+	/* Samsung Android phone modem - ID conflict with SPH-I500 */
+	{ USB_DEVICE(0x04e8, 0x6601), .driver_info =
+			USB_QUIRK_CONFIG_INTF_STRINGS },
+
 	/* Roland SC-8820 */
 	{ USB_DEVICE(0x0582, 0x0007), .driver_info = USB_QUIRK_RESET_RESUME },
 
@@ -68,6 +72,10 @@
 	/* M-Systems Flash Disk Pioneers */
 	{ USB_DEVICE(0x08ec, 0x1000), .driver_info = USB_QUIRK_RESET_RESUME },
 
+	/* Keytouch QWERTY Panel keyboard */
+	{ USB_DEVICE(0x0926, 0x3333), .driver_info =
+			USB_QUIRK_CONFIG_INTF_STRINGS },
+
 	/* X-Rite/Gretag-Macbeth Eye-One Pro display colorimeter */
 	{ USB_DEVICE(0x0971, 0x2000), .driver_info = USB_QUIRK_NO_SET_INTF },
 
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index 06bb9d4..d500996 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -546,6 +546,8 @@
 	  ci13xxx_udc core.
 	  This driver depends on OTG driver for PHY initialization,
 	  clock management, powering up VBUS, and power management.
+	  This driver is not supported on boards like trout which
+	  has an external PHY.
 
 	  Say "y" to link the driver statically, or "m" to build a
 	  dynamically linked module called "ci13xxx_msm" and force all
diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c
index b5dbb23..6d8e533 100644
--- a/drivers/usb/gadget/f_mass_storage.c
+++ b/drivers/usb/gadget/f_mass_storage.c
@@ -293,6 +293,7 @@
 
 #include <linux/usb/ch9.h>
 #include <linux/usb/gadget.h>
+#include <linux/usb/composite.h>
 
 #include "gadget_chips.h"
 
@@ -2763,7 +2764,7 @@
 			return ERR_PTR(-ENOMEM);
 		common->free_storage_on_release = 1;
 	} else {
-		memset(common, 0, sizeof common);
+		memset(common, 0, sizeof *common);
 		common->free_storage_on_release = 0;
 	}
 
diff --git a/drivers/usb/gadget/r8a66597-udc.c b/drivers/usb/gadget/r8a66597-udc.c
index 20d43da..0151185 100644
--- a/drivers/usb/gadget/r8a66597-udc.c
+++ b/drivers/usb/gadget/r8a66597-udc.c
@@ -258,7 +258,7 @@
 		break;
 	case R8A66597_BULK:
 		/* isochronous pipes may be used as bulk pipes */
-		if (info->pipe > R8A66597_BASE_PIPENUM_BULK)
+		if (info->pipe >= R8A66597_BASE_PIPENUM_BULK)
 			bufnum = info->pipe - R8A66597_BASE_PIPENUM_BULK;
 		else
 			bufnum = info->pipe - R8A66597_BASE_PIPENUM_ISOC;
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index 24046c0..0e6afa2 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -151,6 +151,8 @@
 	  Qualcomm chipsets. Root Hub has inbuilt TT.
 	  This driver depends on OTG driver for PHY initialization,
 	  clock management, powering up VBUS, and power management.
+	  This driver is not supported on boards like trout which
+	  has an external PHY.
 
 config USB_EHCI_HCD_PPC_OF
 	bool "EHCI support for PPC USB controller on OF platform bus"
diff --git a/drivers/usb/host/ehci-au1xxx.c b/drivers/usb/host/ehci-au1xxx.c
index 2baf8a8..a869e3c 100644
--- a/drivers/usb/host/ehci-au1xxx.c
+++ b/drivers/usb/host/ehci-au1xxx.c
@@ -227,8 +227,8 @@
 	 * mark HW unaccessible.  The PM and USB cores make sure that
 	 * the root hub is either suspended or stopped.
 	 */
-	spin_lock_irqsave(&ehci->lock, flags);
 	ehci_prepare_ports_for_controller_suspend(ehci, device_may_wakeup(dev));
+	spin_lock_irqsave(&ehci->lock, flags);
 	ehci_writel(ehci, 0, &ehci->regs->intr_enable);
 	(void)ehci_readl(ehci, &ehci->regs->intr_enable);
 
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c
index 796ea0c..8a515f0 100644
--- a/drivers/usb/host/ehci-hub.c
+++ b/drivers/usb/host/ehci-hub.c
@@ -111,6 +111,7 @@
 {
 	int		port;
 	u32		temp;
+	unsigned long	flags;
 
 	/* If remote wakeup is enabled for the root hub but disabled
 	 * for the controller, we must adjust all the port wakeup flags
@@ -120,6 +121,8 @@
 	if (!ehci_to_hcd(ehci)->self.root_hub->do_remote_wakeup || do_wakeup)
 		return;
 
+	spin_lock_irqsave(&ehci->lock, flags);
+
 	/* clear phy low-power mode before changing wakeup flags */
 	if (ehci->has_hostpc) {
 		port = HCS_N_PORTS(ehci->hcs_params);
@@ -131,7 +134,9 @@
 			temp = ehci_readl(ehci, hostpc_reg);
 			ehci_writel(ehci, temp & ~HOSTPC_PHCD, hostpc_reg);
 		}
+		spin_unlock_irqrestore(&ehci->lock, flags);
 		msleep(5);
+		spin_lock_irqsave(&ehci->lock, flags);
 	}
 
 	port = HCS_N_PORTS(ehci->hcs_params);
@@ -170,6 +175,8 @@
 	/* Does the root hub have a port wakeup pending? */
 	if (!suspending && (ehci_readl(ehci, &ehci->regs->status) & STS_PCD))
 		usb_hcd_resume_root_hub(ehci_to_hcd(ehci));
+
+	spin_unlock_irqrestore(&ehci->lock, flags);
 }
 
 static int ehci_bus_suspend (struct usb_hcd *hcd)
diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c
index 680f2ef..f784ceb 100644
--- a/drivers/usb/host/ehci-omap.c
+++ b/drivers/usb/host/ehci-omap.c
@@ -796,7 +796,7 @@
 	hcd = usb_create_hcd(&ehci_omap_hc_driver, &pdev->dev,
 			dev_name(&pdev->dev));
 	if (!hcd) {
-		dev_dbg(&pdev->dev, "failed to create hcd with err %d\n", ret);
+		dev_err(&pdev->dev, "failed to create hcd with err %d\n", ret);
 		ret = -ENOMEM;
 		goto err_create_hcd;
 	}
@@ -864,7 +864,7 @@
 
 	ret = omap_start_ehc(omap, hcd);
 	if (ret) {
-		dev_dbg(&pdev->dev, "failed to start ehci\n");
+		dev_err(&pdev->dev, "failed to start ehci with err %d\n", ret);
 		goto err_start;
 	}
 
@@ -879,7 +879,7 @@
 
 	ret = usb_add_hcd(hcd, irq, IRQF_DISABLED | IRQF_SHARED);
 	if (ret) {
-		dev_dbg(&pdev->dev, "failed to add hcd with err %d\n", ret);
+		dev_err(&pdev->dev, "failed to add hcd with err %d\n", ret);
 		goto err_add_hcd;
 	}
 
diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
index bed07d4..07bb982 100644
--- a/drivers/usb/host/ehci-pci.c
+++ b/drivers/usb/host/ehci-pci.c
@@ -367,8 +367,8 @@
 	 * mark HW unaccessible.  The PM and USB cores make sure that
 	 * the root hub is either suspended or stopped.
 	 */
-	spin_lock_irqsave (&ehci->lock, flags);
 	ehci_prepare_ports_for_controller_suspend(ehci, do_wakeup);
+	spin_lock_irqsave (&ehci->lock, flags);
 	ehci_writel(ehci, 0, &ehci->regs->intr_enable);
 	(void)ehci_readl(ehci, &ehci->regs->intr_enable);
 
diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c
index 990f06b..2e9602a 100644
--- a/drivers/usb/host/sl811-hcd.c
+++ b/drivers/usb/host/sl811-hcd.c
@@ -861,6 +861,7 @@
 			DBG("dev %d ep%d maxpacket %d\n",
 				udev->devnum, epnum, ep->maxpacket);
 			retval = -EINVAL;
+			kfree(ep);
 			goto fail;
 		}
 
diff --git a/drivers/usb/host/xhci-dbg.c b/drivers/usb/host/xhci-dbg.c
index fcbf4ab..0231814 100644
--- a/drivers/usb/host/xhci-dbg.c
+++ b/drivers/usb/host/xhci-dbg.c
@@ -169,9 +169,10 @@
 	}
 }
 
-void xhci_print_ir_set(struct xhci_hcd *xhci, struct xhci_intr_reg *ir_set, int set_num)
+void xhci_print_ir_set(struct xhci_hcd *xhci, int set_num)
 {
-	void *addr;
+	struct xhci_intr_reg __iomem *ir_set = &xhci->run_regs->ir_set[set_num];
+	void __iomem *addr;
 	u32 temp;
 	u64 temp_64;
 
@@ -449,7 +450,7 @@
 	}
 }
 
-void xhci_dbg_slot_ctx(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx)
+static void xhci_dbg_slot_ctx(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx)
 {
 	/* Fields are 32 bits wide, DMA addresses are in bytes */
 	int field_size = 32 / 8;
@@ -488,7 +489,7 @@
 		dbg_rsvd64(xhci, (u64 *)slot_ctx, dma);
 }
 
-void xhci_dbg_ep_ctx(struct xhci_hcd *xhci,
+static void xhci_dbg_ep_ctx(struct xhci_hcd *xhci,
 		     struct xhci_container_ctx *ctx,
 		     unsigned int last_ep)
 {
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 1d0f45f..a953439 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -307,7 +307,7 @@
 
 /***************** Streams structures manipulation *************************/
 
-void xhci_free_stream_ctx(struct xhci_hcd *xhci,
+static void xhci_free_stream_ctx(struct xhci_hcd *xhci,
 		unsigned int num_stream_ctxs,
 		struct xhci_stream_ctx *stream_ctx, dma_addr_t dma)
 {
@@ -335,7 +335,7 @@
  * The stream context array must be a power of 2, and can be as small as
  * 64 bytes or as large as 1MB.
  */
-struct xhci_stream_ctx *xhci_alloc_stream_ctx(struct xhci_hcd *xhci,
+static struct xhci_stream_ctx *xhci_alloc_stream_ctx(struct xhci_hcd *xhci,
 		unsigned int num_stream_ctxs, dma_addr_t *dma,
 		gfp_t mem_flags)
 {
@@ -1900,11 +1900,11 @@
 	val &= DBOFF_MASK;
 	xhci_dbg(xhci, "// Doorbell array is located at offset 0x%x"
 			" from cap regs base addr\n", val);
-	xhci->dba = (void *) xhci->cap_regs + val;
+	xhci->dba = (void __iomem *) xhci->cap_regs + val;
 	xhci_dbg_regs(xhci);
 	xhci_print_run_regs(xhci);
 	/* Set ir_set to interrupt register set 0 */
-	xhci->ir_set = (void *) xhci->run_regs->ir_set;
+	xhci->ir_set = &xhci->run_regs->ir_set[0];
 
 	/*
 	 * Event ring setup: Allocate a normal ring, but also setup
@@ -1961,7 +1961,7 @@
 	/* Set the event ring dequeue address */
 	xhci_set_hc_event_deq(xhci);
 	xhci_dbg(xhci, "Wrote ERST address to ir_set 0.\n");
-	xhci_print_ir_set(xhci, xhci->ir_set, 0);
+	xhci_print_ir_set(xhci, 0);
 
 	/*
 	 * XXX: Might need to set the Interrupter Moderation Register to
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 3e8211c..3289bf4 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -474,8 +474,11 @@
 	state->new_deq_seg = find_trb_seg(cur_td->start_seg,
 			dev->eps[ep_index].stopped_trb,
 			&state->new_cycle_state);
-	if (!state->new_deq_seg)
-		BUG();
+	if (!state->new_deq_seg) {
+		WARN_ON(1);
+		return;
+	}
+
 	/* Dig out the cycle state saved by the xHC during the stop ep cmd */
 	xhci_dbg(xhci, "Finding endpoint context\n");
 	ep_ctx = xhci_get_ep_ctx(xhci, dev->out_ctx, ep_index);
@@ -486,8 +489,10 @@
 	state->new_deq_seg = find_trb_seg(state->new_deq_seg,
 			state->new_deq_ptr,
 			&state->new_cycle_state);
-	if (!state->new_deq_seg)
-		BUG();
+	if (!state->new_deq_seg) {
+		WARN_ON(1);
+		return;
+	}
 
 	trb = &state->new_deq_ptr->generic;
 	if ((trb->field[3] & TRB_TYPE_BITMASK) == TRB_TYPE(TRB_LINK) &&
@@ -2363,12 +2368,13 @@
 
 		/* Scatter gather list entries may cross 64KB boundaries */
 		running_total = TRB_MAX_BUFF_SIZE -
-			(sg_dma_address(sg) & ((1 << TRB_MAX_BUFF_SHIFT) - 1));
+			(sg_dma_address(sg) & (TRB_MAX_BUFF_SIZE - 1));
+		running_total &= TRB_MAX_BUFF_SIZE - 1;
 		if (running_total != 0)
 			num_trbs++;
 
 		/* How many more 64KB chunks to transfer, how many more TRBs? */
-		while (running_total < sg_dma_len(sg)) {
+		while (running_total < sg_dma_len(sg) && running_total < temp) {
 			num_trbs++;
 			running_total += TRB_MAX_BUFF_SIZE;
 		}
@@ -2394,11 +2400,11 @@
 static void check_trb_math(struct urb *urb, int num_trbs, int running_total)
 {
 	if (num_trbs != 0)
-		dev_dbg(&urb->dev->dev, "%s - ep %#x - Miscalculated number of "
+		dev_err(&urb->dev->dev, "%s - ep %#x - Miscalculated number of "
 				"TRBs, %d left\n", __func__,
 				urb->ep->desc.bEndpointAddress, num_trbs);
 	if (running_total != urb->transfer_buffer_length)
-		dev_dbg(&urb->dev->dev, "%s - ep %#x - Miscalculated tx length, "
+		dev_err(&urb->dev->dev, "%s - ep %#x - Miscalculated tx length, "
 				"queued %#x (%d), asked for %#x (%d)\n",
 				__func__,
 				urb->ep->desc.bEndpointAddress,
@@ -2533,8 +2539,7 @@
 	sg = urb->sg;
 	addr = (u64) sg_dma_address(sg);
 	this_sg_len = sg_dma_len(sg);
-	trb_buff_len = TRB_MAX_BUFF_SIZE -
-		(addr & ((1 << TRB_MAX_BUFF_SHIFT) - 1));
+	trb_buff_len = TRB_MAX_BUFF_SIZE - (addr & (TRB_MAX_BUFF_SIZE - 1));
 	trb_buff_len = min_t(int, trb_buff_len, this_sg_len);
 	if (trb_buff_len > urb->transfer_buffer_length)
 		trb_buff_len = urb->transfer_buffer_length;
@@ -2572,7 +2577,7 @@
 				(unsigned int) (addr + TRB_MAX_BUFF_SIZE) & ~(TRB_MAX_BUFF_SIZE - 1),
 				(unsigned int) addr + trb_buff_len);
 		if (TRB_MAX_BUFF_SIZE -
-				(addr & ((1 << TRB_MAX_BUFF_SHIFT) - 1)) < trb_buff_len) {
+				(addr & (TRB_MAX_BUFF_SIZE - 1)) < trb_buff_len) {
 			xhci_warn(xhci, "WARN: sg dma xfer crosses 64KB boundaries!\n");
 			xhci_dbg(xhci, "Next boundary at %#x, end dma = %#x\n",
 					(unsigned int) (addr + TRB_MAX_BUFF_SIZE) & ~(TRB_MAX_BUFF_SIZE - 1),
@@ -2616,7 +2621,7 @@
 		}
 
 		trb_buff_len = TRB_MAX_BUFF_SIZE -
-			(addr & ((1 << TRB_MAX_BUFF_SHIFT) - 1));
+			(addr & (TRB_MAX_BUFF_SIZE - 1));
 		trb_buff_len = min_t(int, trb_buff_len, this_sg_len);
 		if (running_total + trb_buff_len > urb->transfer_buffer_length)
 			trb_buff_len =
@@ -2656,7 +2661,8 @@
 	num_trbs = 0;
 	/* How much data is (potentially) left before the 64KB boundary? */
 	running_total = TRB_MAX_BUFF_SIZE -
-		(urb->transfer_dma & ((1 << TRB_MAX_BUFF_SHIFT) - 1));
+		(urb->transfer_dma & (TRB_MAX_BUFF_SIZE - 1));
+	running_total &= TRB_MAX_BUFF_SIZE - 1;
 
 	/* If there's some data on this 64KB chunk, or we have to send a
 	 * zero-length transfer, we need at least one TRB
@@ -2700,8 +2706,8 @@
 	/* How much data is in the first TRB? */
 	addr = (u64) urb->transfer_dma;
 	trb_buff_len = TRB_MAX_BUFF_SIZE -
-		(urb->transfer_dma & ((1 << TRB_MAX_BUFF_SHIFT) - 1));
-	if (urb->transfer_buffer_length < trb_buff_len)
+		(urb->transfer_dma & (TRB_MAX_BUFF_SIZE - 1));
+	if (trb_buff_len > urb->transfer_buffer_length)
 		trb_buff_len = urb->transfer_buffer_length;
 
 	first_trb = true;
@@ -2879,8 +2885,8 @@
 	addr = (u64) (urb->transfer_dma + urb->iso_frame_desc[i].offset);
 	td_len = urb->iso_frame_desc[i].length;
 
-	running_total = TRB_MAX_BUFF_SIZE -
-			(addr & ((1 << TRB_MAX_BUFF_SHIFT) - 1));
+	running_total = TRB_MAX_BUFF_SIZE - (addr & (TRB_MAX_BUFF_SIZE - 1));
+	running_total &= TRB_MAX_BUFF_SIZE - 1;
 	if (running_total != 0)
 		num_trbs++;
 
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 34cf4e1..2083fc2 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -109,7 +109,7 @@
 /*
  * Set the run bit and wait for the host to be running.
  */
-int xhci_start(struct xhci_hcd *xhci)
+static int xhci_start(struct xhci_hcd *xhci)
 {
 	u32 temp;
 	int ret;
@@ -329,7 +329,7 @@
 
 
 #ifdef CONFIG_USB_XHCI_HCD_DEBUGGING
-void xhci_event_ring_work(unsigned long arg)
+static void xhci_event_ring_work(unsigned long arg)
 {
 	unsigned long flags;
 	int temp;
@@ -473,7 +473,7 @@
 			xhci->ir_set, (unsigned int) ER_IRQ_ENABLE(temp));
 	xhci_writel(xhci, ER_IRQ_ENABLE(temp),
 			&xhci->ir_set->irq_pending);
-	xhci_print_ir_set(xhci, xhci->ir_set, 0);
+	xhci_print_ir_set(xhci, 0);
 
 	if (NUM_TEST_NOOPS > 0)
 		doorbell = xhci_setup_one_noop(xhci);
@@ -528,7 +528,7 @@
 	temp = xhci_readl(xhci, &xhci->ir_set->irq_pending);
 	xhci_writel(xhci, ER_IRQ_DISABLE(temp),
 			&xhci->ir_set->irq_pending);
-	xhci_print_ir_set(xhci, xhci->ir_set, 0);
+	xhci_print_ir_set(xhci, 0);
 
 	xhci_dbg(xhci, "cleaning up memory\n");
 	xhci_mem_cleanup(xhci);
@@ -755,7 +755,7 @@
 		temp = xhci_readl(xhci, &xhci->ir_set->irq_pending);
 		xhci_writel(xhci, ER_IRQ_DISABLE(temp),
 				&xhci->ir_set->irq_pending);
-		xhci_print_ir_set(xhci, xhci->ir_set, 0);
+		xhci_print_ir_set(xhci, 0);
 
 		xhci_dbg(xhci, "cleaning up memory\n");
 		xhci_mem_cleanup(xhci);
@@ -857,7 +857,7 @@
 /* Returns 1 if the arguments are OK;
  * returns 0 this is a root hub; returns -EINVAL for NULL pointers.
  */
-int xhci_check_args(struct usb_hcd *hcd, struct usb_device *udev,
+static int xhci_check_args(struct usb_hcd *hcd, struct usb_device *udev,
 		struct usb_host_endpoint *ep, int check_ep, bool check_virt_dev,
 		const char *func) {
 	struct xhci_hcd	*xhci;
@@ -1693,7 +1693,7 @@
 	xhci_dbg_ctx(xhci, in_ctx, xhci_last_valid_endpoint(add_flags));
 }
 
-void xhci_setup_input_ctx_for_quirk(struct xhci_hcd *xhci,
+static void xhci_setup_input_ctx_for_quirk(struct xhci_hcd *xhci,
 		unsigned int slot_id, unsigned int ep_index,
 		struct xhci_dequeue_state *deq_state)
 {
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 7f236fd..7f127df 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1348,7 +1348,7 @@
 }
 
 /* xHCI debugging */
-void xhci_print_ir_set(struct xhci_hcd *xhci, struct xhci_intr_reg *ir_set, int set_num);
+void xhci_print_ir_set(struct xhci_hcd *xhci, int set_num);
 void xhci_print_registers(struct xhci_hcd *xhci);
 void xhci_dbg_regs(struct xhci_hcd *xhci);
 void xhci_print_run_regs(struct xhci_hcd *xhci);
diff --git a/drivers/usb/musb/blackfin.c b/drivers/usb/musb/blackfin.c
index eeba228..9d49d1c 100644
--- a/drivers/usb/musb/blackfin.c
+++ b/drivers/usb/musb/blackfin.c
@@ -404,6 +404,7 @@
 		musb->xceiv->set_power = bfin_musb_set_power;
 
 	musb->isr = blackfin_interrupt;
+	musb->double_buffer_not_ok = true;
 
 	return 0;
 }
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 07cf394..c292d5c 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -128,12 +128,7 @@
 
 static inline struct musb *dev_to_musb(struct device *dev)
 {
-#ifdef CONFIG_USB_MUSB_HDRC_HCD
-	/* usbcore insists dev->driver_data is a "struct hcd *" */
-	return hcd_to_musb(dev_get_drvdata(dev));
-#else
 	return dev_get_drvdata(dev);
-#endif
 }
 
 /*-------------------------------------------------------------------------*/
@@ -1869,6 +1864,7 @@
 	INIT_LIST_HEAD(&musb->out_bulk);
 
 	hcd->uses_new_polling = 1;
+	hcd->has_tt = 1;
 
 	musb->vbuserr_retry = VBUSERR_RETRY_COUNT;
 	musb->a_wait_bcon = OTG_TIME_A_WAIT_BCON;
@@ -1876,10 +1872,9 @@
 	musb = kzalloc(sizeof *musb, GFP_KERNEL);
 	if (!musb)
 		return NULL;
-	dev_set_drvdata(dev, musb);
 
 #endif
-
+	dev_set_drvdata(dev, musb);
 	musb->mregs = mbase;
 	musb->ctrl_base = mbase;
 	musb->nIrq = -ENODEV;
@@ -2191,7 +2186,7 @@
 	void __iomem	*base;
 
 	iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!iomem || irq == 0)
+	if (!iomem || irq <= 0)
 		return -ENODEV;
 
 	base = ioremap(iomem->start, resource_size(iomem));
diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h
index d0c236f..e6400be 100644
--- a/drivers/usb/musb/musb_core.h
+++ b/drivers/usb/musb/musb_core.h
@@ -497,6 +497,19 @@
 	struct usb_gadget_driver *gadget_driver;	/* its driver */
 #endif
 
+	/*
+	 * FIXME: Remove this flag.
+	 *
+	 * This is only added to allow Blackfin to work
+	 * with current driver. For some unknown reason
+	 * Blackfin doesn't work with double buffering
+	 * and that's enabled by default.
+	 *
+	 * We added this flag to forcefully disable double
+	 * buffering until we get it working.
+	 */
+	unsigned                double_buffer_not_ok:1 __deprecated;
+
 	struct musb_hdrc_config	*config;
 
 #ifdef MUSB_CONFIG_PROC_FS
diff --git a/drivers/usb/musb/musb_dma.h b/drivers/usb/musb/musb_dma.h
index 916065b..3a97c4e 100644
--- a/drivers/usb/musb/musb_dma.h
+++ b/drivers/usb/musb/musb_dma.h
@@ -169,6 +169,9 @@
 							dma_addr_t dma_addr,
 							u32 length);
 	int			(*channel_abort)(struct dma_channel *);
+	int			(*is_compatible)(struct dma_channel *channel,
+							u16 maxpacket,
+							void *buf, u32 length);
 };
 
 /* called after channel_program(), may indicate a fault */
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index ed58c6c..2fe3046 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -92,11 +92,33 @@
 
 /* ----------------------------------------------------------------------- */
 
+#define is_buffer_mapped(req) (is_dma_capable() && \
+					(req->map_state != UN_MAPPED))
+
 /* Maps the buffer to dma  */
 
 static inline void map_dma_buffer(struct musb_request *request,
-				struct musb *musb)
+			struct musb *musb, struct musb_ep *musb_ep)
 {
+	int compatible = true;
+	struct dma_controller *dma = musb->dma_controller;
+
+	request->map_state = UN_MAPPED;
+
+	if (!is_dma_capable() || !musb_ep->dma)
+		return;
+
+	/* Check if DMA engine can handle this request.
+	 * DMA code must reject the USB request explicitly.
+	 * Default behaviour is to map the request.
+	 */
+	if (dma->is_compatible)
+		compatible = dma->is_compatible(musb_ep->dma,
+				musb_ep->packet_sz, request->request.buf,
+				request->request.length);
+	if (!compatible)
+		return;
+
 	if (request->request.dma == DMA_ADDR_INVALID) {
 		request->request.dma = dma_map_single(
 				musb->controller,
@@ -105,7 +127,7 @@
 				request->tx
 					? DMA_TO_DEVICE
 					: DMA_FROM_DEVICE);
-		request->mapped = 1;
+		request->map_state = MUSB_MAPPED;
 	} else {
 		dma_sync_single_for_device(musb->controller,
 			request->request.dma,
@@ -113,7 +135,7 @@
 			request->tx
 				? DMA_TO_DEVICE
 				: DMA_FROM_DEVICE);
-		request->mapped = 0;
+		request->map_state = PRE_MAPPED;
 	}
 }
 
@@ -121,11 +143,14 @@
 static inline void unmap_dma_buffer(struct musb_request *request,
 				struct musb *musb)
 {
+	if (!is_buffer_mapped(request))
+		return;
+
 	if (request->request.dma == DMA_ADDR_INVALID) {
 		DBG(20, "not unmapping a never mapped buffer\n");
 		return;
 	}
-	if (request->mapped) {
+	if (request->map_state == MUSB_MAPPED) {
 		dma_unmap_single(musb->controller,
 			request->request.dma,
 			request->request.length,
@@ -133,16 +158,15 @@
 				? DMA_TO_DEVICE
 				: DMA_FROM_DEVICE);
 		request->request.dma = DMA_ADDR_INVALID;
-		request->mapped = 0;
-	} else {
+	} else { /* PRE_MAPPED */
 		dma_sync_single_for_cpu(musb->controller,
 			request->request.dma,
 			request->request.length,
 			request->tx
 				? DMA_TO_DEVICE
 				: DMA_FROM_DEVICE);
-
 	}
+	request->map_state = UN_MAPPED;
 }
 
 /*
@@ -172,8 +196,7 @@
 
 	ep->busy = 1;
 	spin_unlock(&musb->lock);
-	if (is_dma_capable() && ep->dma)
-		unmap_dma_buffer(req, musb);
+	unmap_dma_buffer(req, musb);
 	if (request->status == 0)
 		DBG(5, "%s done request %p,  %d/%d\n",
 				ep->end_point.name, request,
@@ -335,7 +358,7 @@
 			csr);
 
 #ifndef	CONFIG_MUSB_PIO_ONLY
-	if (is_dma_capable() && musb_ep->dma) {
+	if (is_buffer_mapped(req)) {
 		struct dma_controller	*c = musb->dma_controller;
 		size_t request_size;
 
@@ -436,8 +459,7 @@
 		 * Unmap the dma buffer back to cpu if dma channel
 		 * programming fails
 		 */
-		if (is_dma_capable() && musb_ep->dma)
-			unmap_dma_buffer(req, musb);
+		unmap_dma_buffer(req, musb);
 
 		musb_write_fifo(musb_ep->hw_ep, fifo_count,
 				(u8 *) (request->buf + request->actual));
@@ -627,7 +649,7 @@
 		return;
 	}
 
-	if (is_cppi_enabled() && musb_ep->dma) {
+	if (is_cppi_enabled() && is_buffer_mapped(req)) {
 		struct dma_controller	*c = musb->dma_controller;
 		struct dma_channel	*channel = musb_ep->dma;
 
@@ -658,7 +680,7 @@
 		len = musb_readw(epio, MUSB_RXCOUNT);
 		if (request->actual < request->length) {
 #ifdef CONFIG_USB_INVENTRA_DMA
-			if (is_dma_capable() && musb_ep->dma) {
+			if (is_buffer_mapped(req)) {
 				struct dma_controller	*c;
 				struct dma_channel	*channel;
 				int			use_dma = 0;
@@ -742,7 +764,7 @@
 			fifo_count = min_t(unsigned, len, fifo_count);
 
 #ifdef	CONFIG_USB_TUSB_OMAP_DMA
-			if (tusb_dma_omap() && musb_ep->dma) {
+			if (tusb_dma_omap() && is_buffer_mapped(req)) {
 				struct dma_controller *c = musb->dma_controller;
 				struct dma_channel *channel = musb_ep->dma;
 				u32 dma_addr = request->dma + request->actual;
@@ -762,7 +784,7 @@
 			 * programming fails. This buffer is mapped if the
 			 * channel allocation is successful
 			 */
-			 if (is_dma_capable() && musb_ep->dma) {
+			 if (is_buffer_mapped(req)) {
 				unmap_dma_buffer(req, musb);
 
 				/*
@@ -989,7 +1011,11 @@
 		/* Set TXMAXP with the FIFO size of the endpoint
 		 * to disable double buffering mode.
 		 */
-		musb_writew(regs, MUSB_TXMAXP, musb_ep->packet_sz | (musb_ep->hb_mult << 11));
+		if (musb->double_buffer_not_ok)
+			musb_writew(regs, MUSB_TXMAXP, hw_ep->max_packet_sz_tx);
+		else
+			musb_writew(regs, MUSB_TXMAXP, musb_ep->packet_sz
+					| (musb_ep->hb_mult << 11));
 
 		csr = MUSB_TXCSR_MODE | MUSB_TXCSR_CLRDATATOG;
 		if (musb_readw(regs, MUSB_TXCSR)
@@ -1025,7 +1051,11 @@
 		/* Set RXMAXP with the FIFO size of the endpoint
 		 * to disable double buffering mode.
 		 */
-		musb_writew(regs, MUSB_RXMAXP, musb_ep->packet_sz | (musb_ep->hb_mult << 11));
+		if (musb->double_buffer_not_ok)
+			musb_writew(regs, MUSB_RXMAXP, hw_ep->max_packet_sz_tx);
+		else
+			musb_writew(regs, MUSB_RXMAXP, musb_ep->packet_sz
+					| (musb_ep->hb_mult << 11));
 
 		/* force shared fifo to OUT-only mode */
 		if (hw_ep->is_shared_fifo) {
@@ -1214,10 +1244,7 @@
 	request->epnum = musb_ep->current_epnum;
 	request->tx = musb_ep->is_in;
 
-	if (is_dma_capable() && musb_ep->dma)
-		map_dma_buffer(request, musb);
-	else
-		request->mapped = 0;
+	map_dma_buffer(request, musb, musb_ep);
 
 	spin_lock_irqsave(&musb->lock, lockflags);
 
diff --git a/drivers/usb/musb/musb_gadget.h b/drivers/usb/musb/musb_gadget.h
index dec8dc0..a55354f 100644
--- a/drivers/usb/musb/musb_gadget.h
+++ b/drivers/usb/musb/musb_gadget.h
@@ -35,13 +35,19 @@
 #ifndef __MUSB_GADGET_H
 #define __MUSB_GADGET_H
 
+enum buffer_map_state {
+	UN_MAPPED = 0,
+	PRE_MAPPED,
+	MUSB_MAPPED
+};
+
 struct musb_request {
 	struct usb_request	request;
 	struct musb_ep		*ep;
 	struct musb		*musb;
 	u8 tx;			/* endpoint direction */
 	u8 epnum;
-	u8 mapped;
+	enum buffer_map_state map_state;
 };
 
 static inline struct musb_request *to_musb_request(struct usb_request *req)
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 4d5bcb4..0f523d7 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -609,7 +609,7 @@
 	/* Set RXMAXP with the FIFO size of the endpoint
 	 * to disable double buffer mode.
 	 */
-	if (musb->hwvers < MUSB_HWVERS_2000)
+	if (musb->double_buffer_not_ok)
 		musb_writew(ep->regs, MUSB_RXMAXP, ep->max_packet_sz_rx);
 	else
 		musb_writew(ep->regs, MUSB_RXMAXP,
@@ -784,14 +784,13 @@
 		/* protocol/endpoint/interval/NAKlimit */
 		if (epnum) {
 			musb_writeb(epio, MUSB_TXTYPE, qh->type_reg);
-			if (can_bulk_split(musb, qh->type))
+			if (musb->double_buffer_not_ok)
 				musb_writew(epio, MUSB_TXMAXP,
-					packet_sz
-					| ((hw_ep->max_packet_sz_tx /
-						packet_sz) - 1) << 11);
+						hw_ep->max_packet_sz_tx);
 			else
 				musb_writew(epio, MUSB_TXMAXP,
-					packet_sz);
+						qh->maxpacket |
+						((qh->hb_mult - 1) << 11));
 			musb_writeb(epio, MUSB_TXINTERVAL, qh->intv_reg);
 		} else {
 			musb_writeb(epio, MUSB_NAKLIMIT0, qh->intv_reg);
diff --git a/drivers/usb/musb/musbhsdma.h b/drivers/usb/musb/musbhsdma.h
index f763d62..21056c9 100644
--- a/drivers/usb/musb/musbhsdma.h
+++ b/drivers/usb/musb/musbhsdma.h
@@ -94,24 +94,33 @@
 {
 	musb_writew(mbase,
 		MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_ADDR_LOW),
-		((u16)((u32) dma_addr & 0xFFFF)));
+		dma_addr);
 	musb_writew(mbase,
 		MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_ADDR_HIGH),
-		((u16)(((u32) dma_addr >> 16) & 0xFFFF)));
+		(dma_addr >> 16));
 }
 
 static inline u32 musb_read_hsdma_count(void __iomem *mbase, u8 bchannel)
 {
-	return musb_readl(mbase,
+	u32 count = musb_readw(mbase,
 		MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_COUNT_HIGH));
+
+	count = count << 16;
+
+	count |= musb_readw(mbase,
+		MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_COUNT_LOW));
+
+	return count;
 }
 
 static inline void musb_write_hsdma_count(void __iomem *mbase,
 				u8 bchannel, u32 len)
 {
-	musb_writel(mbase,
+	musb_writew(mbase,
+		MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_COUNT_LOW),len);
+	musb_writew(mbase,
 		MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_COUNT_HIGH),
-		len);
+		(len >> 16));
 }
 
 #endif /* CONFIG_BLACKFIN */
diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
index a3f1233..bc8badd 100644
--- a/drivers/usb/musb/omap2430.c
+++ b/drivers/usb/musb/omap2430.c
@@ -362,6 +362,7 @@
 
 static int omap2430_musb_exit(struct musb *musb)
 {
+	del_timer_sync(&musb_idle_timer);
 
 	omap2430_low_level_exit(musb);
 	otg_put_transceiver(musb->xceiv);
diff --git a/drivers/usb/otg/Kconfig b/drivers/usb/otg/Kconfig
index 9fb875d..9ffc823 100644
--- a/drivers/usb/otg/Kconfig
+++ b/drivers/usb/otg/Kconfig
@@ -103,6 +103,8 @@
 	  required after resetting the hardware and power management.
 	  This driver is required even for peripheral only or host only
 	  mode configurations.
+	  This driver is not supported on boards like trout which
+	  has an external PHY.
 
 config AB8500_USB
         tristate "AB8500 USB Transceiver Driver"
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 4787c0c..f349a36 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -100,6 +100,7 @@
 static int   ftdi_jtag_probe(struct usb_serial *serial);
 static int   ftdi_mtxorb_hack_setup(struct usb_serial *serial);
 static int   ftdi_NDI_device_setup(struct usb_serial *serial);
+static int   ftdi_stmclite_probe(struct usb_serial *serial);
 static void  ftdi_USB_UIRT_setup(struct ftdi_private *priv);
 static void  ftdi_HE_TIRA1_setup(struct ftdi_private *priv);
 
@@ -123,6 +124,10 @@
 	.port_probe = ftdi_HE_TIRA1_setup,
 };
 
+static struct ftdi_sio_quirk ftdi_stmclite_quirk = {
+	.probe	= ftdi_stmclite_probe,
+};
+
 /*
  * The 8U232AM has the same API as the sio except for:
  * - it can support MUCH higher baudrates; up to:
@@ -616,6 +621,7 @@
 	{ USB_DEVICE(FTDI_VID, FTDI_OCEANIC_PID) },
 	{ USB_DEVICE(TTI_VID, TTI_QL355P_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_RM_CANVIEW_PID) },
+	{ USB_DEVICE(ACTON_VID, ACTON_SPECTRAPRO_PID) },
 	{ USB_DEVICE(CONTEC_VID, CONTEC_COM1USBH_PID) },
 	{ USB_DEVICE(BANDB_VID, BANDB_USOTL4_PID) },
 	{ USB_DEVICE(BANDB_VID, BANDB_USTL4_PID) },
@@ -810,6 +816,8 @@
 	{ USB_DEVICE(FTDI_VID, FTDI_DOTEC_PID) },
 	{ USB_DEVICE(QIHARDWARE_VID, MILKYMISTONE_JTAGSERIAL_PID),
 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+	{ USB_DEVICE(ST_VID, ST_STMCLT1030_PID),
+		.driver_info = (kernel_ulong_t)&ftdi_stmclite_quirk },
 	{ },					/* Optional parameter entry */
 	{ }					/* Terminating entry */
 };
@@ -1709,6 +1717,25 @@
 }
 
 /*
+ * First and second port on STMCLiteadaptors is reserved for JTAG interface
+ * and the forth port for pio
+ */
+static int ftdi_stmclite_probe(struct usb_serial *serial)
+{
+	struct usb_device *udev = serial->dev;
+	struct usb_interface *interface = serial->interface;
+
+	dbg("%s", __func__);
+
+	if (interface == udev->actconfig->interface[2])
+		return 0;
+
+	dev_info(&udev->dev, "Ignoring serial port reserved for JTAG\n");
+
+	return -ENODEV;
+}
+
+/*
  * The Matrix Orbital VK204-25-USB has an invalid IN endpoint.
  * We have to correct it if we want to read from it.
  */
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index ed160de..117e8e6 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -518,6 +518,12 @@
 #define RATOC_PRODUCT_ID_USB60F	0xb020
 
 /*
+ * Acton Research Corp.
+ */
+#define ACTON_VID		0x0647	/* Vendor ID */
+#define ACTON_SPECTRAPRO_PID	0x0100
+
+/*
  * Contec products (http://www.contec.com)
  * Submitted by Daniel Sangorrin
  */
@@ -1034,6 +1040,12 @@
 #define WHT_PID			0x0004 /* Wireless Handheld Terminal */
 
 /*
+ * STMicroelectonics
+ */
+#define ST_VID			0x0483
+#define ST_STMCLT1030_PID	0x3747 /* ST Micro Connect Lite STMCLT1030 */
+
+/*
  * Papouch products (http://www.papouch.com/)
  * Submitted by Folkert van Heusden
  */
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index cd769ef..3b246d9 100644
--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -2889,8 +2889,8 @@
 
 	dbg("%s %d.%d.%d", fw_info, rec->data[0], rec->data[1], build);
 
-	edge_serial->product_info.FirmwareMajorVersion = fw->data[0];
-	edge_serial->product_info.FirmwareMinorVersion = fw->data[1];
+	edge_serial->product_info.FirmwareMajorVersion = rec->data[0];
+	edge_serial->product_info.FirmwareMinorVersion = rec->data[1];
 	edge_serial->product_info.FirmwareBuildNumber = cpu_to_le16(build);
 
 	for (rec = ihex_next_binrec(rec); rec;
diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
index 7481ff8..0457813 100644
--- a/drivers/usb/serial/sierra.c
+++ b/drivers/usb/serial/sierra.c
@@ -301,6 +301,9 @@
 	{ USB_DEVICE(0x1199, 0x68A3), 	/* Sierra Wireless Direct IP modems */
 	  .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist
 	},
+	{ USB_DEVICE(0x0f3d, 0x68A3), 	/* Airprime/Sierra Wireless Direct IP modems */
+	  .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist
+	},
        { USB_DEVICE(0x413C, 0x08133) }, /* Dell Computer Corp. Wireless 5720 VZW Mobile Broadband (EVDO Rev-A) Minicard GPS Port */
 
 	{ }
diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
index b2902f3..a910004 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -369,9 +369,9 @@
 
 static void __exit ti_exit(void)
 {
+	usb_deregister(&ti_usb_driver);
 	usb_serial_deregister(&ti_1port_device);
 	usb_serial_deregister(&ti_2port_device);
-	usb_deregister(&ti_usb_driver);
 }
 
 
diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c
index b004b2a..9c014e2 100644
--- a/drivers/usb/serial/usb_wwan.c
+++ b/drivers/usb/serial/usb_wwan.c
@@ -295,12 +295,15 @@
 		    __func__, status, endpoint);
 	} else {
 		tty = tty_port_tty_get(&port->port);
-		if (urb->actual_length) {
-			tty_insert_flip_string(tty, data, urb->actual_length);
-			tty_flip_buffer_push(tty);
-		} else
-			dbg("%s: empty read urb received", __func__);
-		tty_kref_put(tty);
+		if (tty) {
+			if (urb->actual_length) {
+				tty_insert_flip_string(tty, data,
+						urb->actual_length);
+				tty_flip_buffer_push(tty);
+			} else
+				dbg("%s: empty read urb received", __func__);
+			tty_kref_put(tty);
+		}
 
 		/* Resubmit urb so we continue receiving */
 		if (status != -ESHUTDOWN) {
diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c
index 15a5d89..1c11959 100644
--- a/drivers/usb/serial/visor.c
+++ b/drivers/usb/serial/visor.c
@@ -27,6 +27,7 @@
 #include <linux/uaccess.h>
 #include <linux/usb.h>
 #include <linux/usb/serial.h>
+#include <linux/usb/cdc.h>
 #include "visor.h"
 
 /*
@@ -479,6 +480,17 @@
 
 	dbg("%s", __func__);
 
+	/*
+	 * some Samsung Android phones in modem mode have the same ID
+	 * as SPH-I500, but they are ACM devices, so dont bind to them
+	 */
+	if (id->idVendor == SAMSUNG_VENDOR_ID &&
+		id->idProduct == SAMSUNG_SPH_I500_ID &&
+		serial->dev->descriptor.bDeviceClass == USB_CLASS_COMM &&
+		serial->dev->descriptor.bDeviceSubClass ==
+			USB_CDC_SUBCLASS_ACM)
+		return -ENODEV;
+
 	if (serial->dev->actconfig->desc.bConfigurationValue != 1) {
 		dev_err(&serial->dev->dev, "active config #%d != 1 ??\n",
 			serial->dev->actconfig->desc.bConfigurationValue);
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index 24bd5d7..c1602b8 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -1397,6 +1397,13 @@
 		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
 		US_FL_IGNORE_RESIDUE ),
 
+/* Submitted by Nick Holloway */
+UNUSUAL_DEV( 0x0f88, 0x042e, 0x0100, 0x0100,
+		"VTech",
+		"Kidizoom",
+		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+		US_FL_FIX_CAPACITY ),
+
 /* Reported by Michael Stattmann <michael@stattmann.com> */
 UNUSUAL_DEV(  0x0fce, 0xd008, 0x0000, 0x0000,
 		"Sony Ericsson",
@@ -1890,6 +1897,13 @@
 		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
 		US_FL_IGNORE_RESIDUE | US_FL_SANE_SENSE ),
 
+/* Reported by Jasper Mackenzie <scarletpimpernal@hotmail.com> */
+UNUSUAL_DEV( 0x1e74, 0x4621, 0x0000, 0x0000,
+		"Coby Electronics",
+		"MP3 Player",
+		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+		US_FL_BULK_IGNORE_TAG | US_FL_MAX_SECTORS_64 ),
+
 UNUSUAL_DEV( 0x2116, 0x0320, 0x0001, 0x0001,
 		"ST",
 		"2A",
diff --git a/drivers/w1/masters/omap_hdq.c b/drivers/w1/masters/omap_hdq.c
index 3a7e9ff..38e96ab 100644
--- a/drivers/w1/masters/omap_hdq.c
+++ b/drivers/w1/masters/omap_hdq.c
@@ -593,19 +593,17 @@
 
 	/* get interface & functional clock objects */
 	hdq_data->hdq_ick = clk_get(&pdev->dev, "ick");
-	hdq_data->hdq_fck = clk_get(&pdev->dev, "fck");
+	if (IS_ERR(hdq_data->hdq_ick)) {
+		dev_dbg(&pdev->dev, "Can't get HDQ ick clock object\n");
+		ret = PTR_ERR(hdq_data->hdq_ick);
+		goto err_ick;
+	}
 
-	if (IS_ERR(hdq_data->hdq_ick) || IS_ERR(hdq_data->hdq_fck)) {
-		dev_dbg(&pdev->dev, "Can't get HDQ clock objects\n");
-		if (IS_ERR(hdq_data->hdq_ick)) {
-			ret = PTR_ERR(hdq_data->hdq_ick);
-			goto err_clk;
-		}
-		if (IS_ERR(hdq_data->hdq_fck)) {
-			ret = PTR_ERR(hdq_data->hdq_fck);
-			clk_put(hdq_data->hdq_ick);
-			goto err_clk;
-		}
+	hdq_data->hdq_fck = clk_get(&pdev->dev, "fck");
+	if (IS_ERR(hdq_data->hdq_fck)) {
+		dev_dbg(&pdev->dev, "Can't get HDQ fck clock object\n");
+		ret = PTR_ERR(hdq_data->hdq_fck);
+		goto err_fck;
 	}
 
 	hdq_data->hdq_usecount = 0;
@@ -665,10 +663,12 @@
 	clk_disable(hdq_data->hdq_ick);
 
 err_intfclk:
-	clk_put(hdq_data->hdq_ick);
 	clk_put(hdq_data->hdq_fck);
 
-err_clk:
+err_fck:
+	clk_put(hdq_data->hdq_ick);
+
+err_ick:
 	iounmap(hdq_data->hdq_base);
 
 err_ioremap:
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index 2e2400e..31649b7 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -862,12 +862,12 @@
 
 # M68K Architecture
 
-config M548x_WATCHDOG
-	tristate "MCF548x watchdog support"
+config M54xx_WATCHDOG
+	tristate "MCF54xx watchdog support"
 	depends on M548x
 	help
 	  To compile this driver as a module, choose M here: the
-	  module will be called m548x_wdt.
+	  module will be called m54xx_wdt.
 
 # MIPS Architecture
 
diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile
index dd77665..20e44c4 100644
--- a/drivers/watchdog/Makefile
+++ b/drivers/watchdog/Makefile
@@ -106,7 +106,7 @@
 # M32R Architecture
 
 # M68K Architecture
-obj-$(CONFIG_M548x_WATCHDOG) += m548x_wdt.o
+obj-$(CONFIG_M54xx_WATCHDOG) += m54xx_wdt.o
 
 # MIPS Architecture
 obj-$(CONFIG_ATH79_WDT) += ath79_wdt.o
diff --git a/drivers/watchdog/m548x_wdt.c b/drivers/watchdog/m54xx_wdt.c
similarity index 80%
rename from drivers/watchdog/m548x_wdt.c
rename to drivers/watchdog/m54xx_wdt.c
index cabbcfe..4d43286 100644
--- a/drivers/watchdog/m548x_wdt.c
+++ b/drivers/watchdog/m54xx_wdt.c
@@ -1,7 +1,7 @@
 /*
- * drivers/watchdog/m548x_wdt.c
+ * drivers/watchdog/m54xx_wdt.c
  *
- * Watchdog driver for ColdFire MCF548x processors
+ * Watchdog driver for ColdFire MCF547x & MCF548x processors
  * Copyright 2010 (c) Philippe De Muyter <phdm@macqel.be>
  *
  * Adapted from the IXP4xx watchdog driver, which carries these notices:
@@ -29,8 +29,8 @@
 #include <linux/uaccess.h>
 
 #include <asm/coldfire.h>
-#include <asm/m548xsim.h>
-#include <asm/m548xgpt.h>
+#include <asm/m54xxsim.h>
+#include <asm/m54xxgpt.h>
 
 static int nowayout = WATCHDOG_NOWAYOUT;
 static unsigned int heartbeat = 30;	/* (secs) Default is 0.5 minute */
@@ -76,7 +76,7 @@
 	__raw_writel(gms0, MCF_MBAR + MCF_GPT_GMS0);
 }
 
-static int m548x_wdt_open(struct inode *inode, struct file *file)
+static int m54xx_wdt_open(struct inode *inode, struct file *file)
 {
 	if (test_and_set_bit(WDT_IN_USE, &wdt_status))
 		return -EBUSY;
@@ -86,7 +86,7 @@
 	return nonseekable_open(inode, file);
 }
 
-static ssize_t m548x_wdt_write(struct file *file, const char *data,
+static ssize_t m54xx_wdt_write(struct file *file, const char *data,
 						size_t len, loff_t *ppos)
 {
 	if (len) {
@@ -112,10 +112,10 @@
 static const struct watchdog_info ident = {
 	.options	= WDIOF_MAGICCLOSE | WDIOF_SETTIMEOUT |
 				WDIOF_KEEPALIVEPING,
-	.identity	= "Coldfire M548x Watchdog",
+	.identity	= "Coldfire M54xx Watchdog",
 };
 
-static long m548x_wdt_ioctl(struct file *file, unsigned int cmd,
+static long m54xx_wdt_ioctl(struct file *file, unsigned int cmd,
 							 unsigned long arg)
 {
 	int ret = -ENOTTY;
@@ -161,7 +161,7 @@
 	return ret;
 }
 
-static int m548x_wdt_release(struct inode *inode, struct file *file)
+static int m54xx_wdt_release(struct inode *inode, struct file *file)
 {
 	if (test_bit(WDT_OK_TO_CLOSE, &wdt_status))
 		wdt_disable();
@@ -177,45 +177,45 @@
 }
 
 
-static const struct file_operations m548x_wdt_fops = {
+static const struct file_operations m54xx_wdt_fops = {
 	.owner		= THIS_MODULE,
 	.llseek		= no_llseek,
-	.write		= m548x_wdt_write,
-	.unlocked_ioctl	= m548x_wdt_ioctl,
-	.open		= m548x_wdt_open,
-	.release	= m548x_wdt_release,
+	.write		= m54xx_wdt_write,
+	.unlocked_ioctl	= m54xx_wdt_ioctl,
+	.open		= m54xx_wdt_open,
+	.release	= m54xx_wdt_release,
 };
 
-static struct miscdevice m548x_wdt_miscdev = {
+static struct miscdevice m54xx_wdt_miscdev = {
 	.minor		= WATCHDOG_MINOR,
 	.name		= "watchdog",
-	.fops		= &m548x_wdt_fops,
+	.fops		= &m54xx_wdt_fops,
 };
 
-static int __init m548x_wdt_init(void)
+static int __init m54xx_wdt_init(void)
 {
 	if (!request_mem_region(MCF_MBAR + MCF_GPT_GCIR0, 4,
-						"Coldfire M548x Watchdog")) {
+						"Coldfire M54xx Watchdog")) {
 		printk(KERN_WARNING
-				"Coldfire M548x Watchdog : I/O region busy\n");
+				"Coldfire M54xx Watchdog : I/O region busy\n");
 		return -EBUSY;
 	}
 	printk(KERN_INFO "ColdFire watchdog driver is loaded.\n");
 
-	return misc_register(&m548x_wdt_miscdev);
+	return misc_register(&m54xx_wdt_miscdev);
 }
 
-static void __exit m548x_wdt_exit(void)
+static void __exit m54xx_wdt_exit(void)
 {
-	misc_deregister(&m548x_wdt_miscdev);
+	misc_deregister(&m54xx_wdt_miscdev);
 	release_mem_region(MCF_MBAR + MCF_GPT_GCIR0, 4);
 }
 
-module_init(m548x_wdt_init);
-module_exit(m548x_wdt_exit);
+module_init(m54xx_wdt_init);
+module_exit(m54xx_wdt_exit);
 
 MODULE_AUTHOR("Philippe De Muyter <phdm@macqel.be>");
-MODULE_DESCRIPTION("Coldfire M548x Watchdog");
+MODULE_DESCRIPTION("Coldfire M54xx Watchdog");
 
 module_param(heartbeat, int, 0);
 MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds (default 30s)");
diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c
index db8c4c4..2417727 100644
--- a/drivers/xen/manage.c
+++ b/drivers/xen/manage.c
@@ -37,11 +37,19 @@
 #ifdef CONFIG_PM_SLEEP
 static int xen_hvm_suspend(void *data)
 {
+	int err;
 	struct sched_shutdown r = { .reason = SHUTDOWN_suspend };
 	int *cancelled = data;
 
 	BUG_ON(!irqs_disabled());
 
+	err = sysdev_suspend(PMSG_SUSPEND);
+	if (err) {
+		printk(KERN_ERR "xen_hvm_suspend: sysdev_suspend failed: %d\n",
+		       err);
+		return err;
+	}
+
 	*cancelled = HYPERVISOR_sched_op(SCHEDOP_shutdown, &r);
 
 	xen_hvm_post_suspend(*cancelled);
@@ -53,6 +61,8 @@
 		xen_timer_resume();
 	}
 
+	sysdev_resume();
+
 	return 0;
 }
 
diff --git a/fs/afs/write.c b/fs/afs/write.c
index 15690bb..789b3af 100644
--- a/fs/afs/write.c
+++ b/fs/afs/write.c
@@ -140,6 +140,7 @@
 	candidate->first = candidate->last = index;
 	candidate->offset_first = from;
 	candidate->to_last = to;
+	INIT_LIST_HEAD(&candidate->link);
 	candidate->usage = 1;
 	candidate->state = AFS_WBACK_PENDING;
 	init_waitqueue_head(&candidate->waitq);
diff --git a/fs/aio.c b/fs/aio.c
index fc557a3..26869cd 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -239,15 +239,23 @@
 	call_rcu(&ctx->rcu_head, ctx_rcu_free);
 }
 
-#define get_ioctx(kioctx) do {						\
-	BUG_ON(atomic_read(&(kioctx)->users) <= 0);			\
-	atomic_inc(&(kioctx)->users);					\
-} while (0)
-#define put_ioctx(kioctx) do {						\
-	BUG_ON(atomic_read(&(kioctx)->users) <= 0);			\
-	if (unlikely(atomic_dec_and_test(&(kioctx)->users))) 		\
-		__put_ioctx(kioctx);					\
-} while (0)
+static inline void get_ioctx(struct kioctx *kioctx)
+{
+	BUG_ON(atomic_read(&kioctx->users) <= 0);
+	atomic_inc(&kioctx->users);
+}
+
+static inline int try_get_ioctx(struct kioctx *kioctx)
+{
+	return atomic_inc_not_zero(&kioctx->users);
+}
+
+static inline void put_ioctx(struct kioctx *kioctx)
+{
+	BUG_ON(atomic_read(&kioctx->users) <= 0);
+	if (unlikely(atomic_dec_and_test(&kioctx->users)))
+		__put_ioctx(kioctx);
+}
 
 /* ioctx_alloc
  *	Allocates and initializes an ioctx.  Returns an ERR_PTR if it failed.
@@ -601,8 +609,13 @@
 	rcu_read_lock();
 
 	hlist_for_each_entry_rcu(ctx, n, &mm->ioctx_list, list) {
-		if (ctx->user_id == ctx_id && !ctx->dead) {
-			get_ioctx(ctx);
+		/*
+		 * RCU protects us against accessing freed memory but
+		 * we have to be careful not to get a reference when the
+		 * reference count already dropped to 0 (ctx->dead test
+		 * is unreliable because of races).
+		 */
+		if (ctx->user_id == ctx_id && !ctx->dead && try_get_ioctx(ctx)){
 			ret = ctx;
 			break;
 		}
@@ -1629,6 +1642,23 @@
 		goto out_put_req;
 
 	spin_lock_irq(&ctx->ctx_lock);
+	/*
+	 * We could have raced with io_destroy() and are currently holding a
+	 * reference to ctx which should be destroyed. We cannot submit IO
+	 * since ctx gets freed as soon as io_submit() puts its reference.  The
+	 * check here is reliable: io_destroy() sets ctx->dead before waiting
+	 * for outstanding IO and the barrier between these two is realized by
+	 * unlock of mm->ioctx_lock and lock of ctx->ctx_lock.  Analogously we
+	 * increment ctx->reqs_active before checking for ctx->dead and the
+	 * barrier is realized by unlock and lock of ctx->ctx_lock. Thus if we
+	 * don't see ctx->dead set here, io_destroy() waits for our IO to
+	 * finish.
+	 */
+	if (ctx->dead) {
+		spin_unlock_irq(&ctx->ctx_lock);
+		ret = -EINVAL;
+		goto out_put_req;
+	}
 	aio_run_iocb(req);
 	if (!list_empty(&ctx->run_list)) {
 		/* drain the run list */
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 333a7bb..8892870 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -873,6 +873,11 @@
 	ret = add_symlink(bdev->bd_part->holder_dir, &disk_to_dev(disk)->kobj);
 	if (ret)
 		goto out_del;
+	/*
+	 * bdev could be deleted beneath us which would implicitly destroy
+	 * the holder directory.  Hold on to it.
+	 */
+	kobject_get(bdev->bd_part->holder_dir);
 
 	list_add(&holder->list, &bdev->bd_holder_disks);
 	goto out_unlock;
@@ -909,6 +914,7 @@
 		del_symlink(disk->slave_dir, &part_to_dev(bdev->bd_part)->kobj);
 		del_symlink(bdev->bd_part->holder_dir,
 			    &disk_to_dev(disk)->kobj);
+		kobject_put(bdev->bd_part->holder_dir);
 		list_del_init(&holder->list);
 		kfree(holder);
 	}
@@ -922,14 +928,15 @@
  * flush_disk - invalidates all buffer-cache entries on a disk
  *
  * @bdev:      struct block device to be flushed
+ * @kill_dirty: flag to guide handling of dirty inodes
  *
  * Invalidates all buffer-cache entries on a disk. It should be called
  * when a disk has been changed -- either by a media change or online
  * resize.
  */
-static void flush_disk(struct block_device *bdev)
+static void flush_disk(struct block_device *bdev, bool kill_dirty)
 {
-	if (__invalidate_device(bdev)) {
+	if (__invalidate_device(bdev, kill_dirty)) {
 		char name[BDEVNAME_SIZE] = "";
 
 		if (bdev->bd_disk)
@@ -966,7 +973,7 @@
 		       "%s: detected capacity change from %lld to %lld\n",
 		       name, bdev_size, disk_size);
 		i_size_write(bdev->bd_inode, disk_size);
-		flush_disk(bdev);
+		flush_disk(bdev, false);
 	}
 }
 EXPORT_SYMBOL(check_disk_size_change);
@@ -1019,7 +1026,7 @@
 	if (!(events & DISK_EVENT_MEDIA_CHANGE))
 		return 0;
 
-	flush_disk(bdev);
+	flush_disk(bdev, true);
 	if (bdops->revalidate_disk)
 		bdops->revalidate_disk(bdev->bd_disk);
 	return 1;
@@ -1215,12 +1222,6 @@
 
 	res = __blkdev_get(bdev, mode, 0);
 
-	/* __blkdev_get() may alter read only status, check it afterwards */
-	if (!res && (mode & FMODE_WRITE) && bdev_read_only(bdev)) {
-		__blkdev_put(bdev, mode, 0);
-		res = -EACCES;
-	}
-
 	if (whole) {
 		/* finish claiming */
 		mutex_lock(&bdev->bd_mutex);
@@ -1298,6 +1299,11 @@
 	if (err)
 		return ERR_PTR(err);
 
+	if ((mode & FMODE_WRITE) && bdev_read_only(bdev)) {
+		blkdev_put(bdev, mode);
+		return ERR_PTR(-EACCES);
+	}
+
 	return bdev;
 }
 EXPORT_SYMBOL(blkdev_get_by_path);
@@ -1601,7 +1607,7 @@
 }
 EXPORT_SYMBOL(lookup_bdev);
 
-int __invalidate_device(struct block_device *bdev)
+int __invalidate_device(struct block_device *bdev, bool kill_dirty)
 {
 	struct super_block *sb = get_super(bdev);
 	int res = 0;
@@ -1614,7 +1620,7 @@
 		 * hold).
 		 */
 		shrink_dcache_sb(sb);
-		res = invalidate_inodes(sb);
+		res = invalidate_inodes(sb, kill_dirty);
 		drop_super(sb);
 	}
 	invalidate_bdev(bdev);
diff --git a/fs/btrfs/acl.c b/fs/btrfs/acl.c
index 15b5ca2..9c94934 100644
--- a/fs/btrfs/acl.c
+++ b/fs/btrfs/acl.c
@@ -37,6 +37,9 @@
 	char *value = NULL;
 	struct posix_acl *acl;
 
+	if (!IS_POSIXACL(inode))
+		return NULL;
+
 	acl = get_cached_acl(inode, type);
 	if (acl != ACL_NOT_CACHED)
 		return acl;
@@ -84,6 +87,9 @@
 	struct posix_acl *acl;
 	int ret = 0;
 
+	if (!IS_POSIXACL(dentry->d_inode))
+		return -EOPNOTSUPP;
+
 	acl = btrfs_get_acl(dentry->d_inode, type);
 
 	if (IS_ERR(acl))
diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c
index f745287..4d2110e 100644
--- a/fs/btrfs/compression.c
+++ b/fs/btrfs/compression.c
@@ -562,7 +562,7 @@
 	u64 em_len;
 	u64 em_start;
 	struct extent_map *em;
-	int ret;
+	int ret = -ENOMEM;
 	u32 *sums;
 
 	tree = &BTRFS_I(inode)->io_tree;
@@ -577,6 +577,9 @@
 
 	compressed_len = em->block_len;
 	cb = kmalloc(compressed_bio_size(root, compressed_len), GFP_NOFS);
+	if (!cb)
+		goto out;
+
 	atomic_set(&cb->pending_bios, 0);
 	cb->errors = 0;
 	cb->inode = inode;
@@ -597,13 +600,18 @@
 
 	nr_pages = (compressed_len + PAGE_CACHE_SIZE - 1) /
 				 PAGE_CACHE_SIZE;
-	cb->compressed_pages = kmalloc(sizeof(struct page *) * nr_pages,
+	cb->compressed_pages = kzalloc(sizeof(struct page *) * nr_pages,
 				       GFP_NOFS);
+	if (!cb->compressed_pages)
+		goto fail1;
+
 	bdev = BTRFS_I(inode)->root->fs_info->fs_devices->latest_bdev;
 
 	for (page_index = 0; page_index < nr_pages; page_index++) {
 		cb->compressed_pages[page_index] = alloc_page(GFP_NOFS |
 							      __GFP_HIGHMEM);
+		if (!cb->compressed_pages[page_index])
+			goto fail2;
 	}
 	cb->nr_pages = nr_pages;
 
@@ -614,6 +622,8 @@
 	cb->len = uncompressed_len;
 
 	comp_bio = compressed_bio_alloc(bdev, cur_disk_byte, GFP_NOFS);
+	if (!comp_bio)
+		goto fail2;
 	comp_bio->bi_private = cb;
 	comp_bio->bi_end_io = end_compressed_bio_read;
 	atomic_inc(&cb->pending_bios);
@@ -681,6 +691,17 @@
 
 	bio_put(comp_bio);
 	return 0;
+
+fail2:
+	for (page_index = 0; page_index < nr_pages; page_index++)
+		free_page((unsigned long)cb->compressed_pages[page_index]);
+
+	kfree(cb->compressed_pages);
+fail1:
+	kfree(cb);
+out:
+	free_extent_map(em);
+	return ret;
 }
 
 static struct list_head comp_idle_workspace[BTRFS_COMPRESS_TYPES];
@@ -900,7 +921,7 @@
 	return ret;
 }
 
-void __exit btrfs_exit_compress(void)
+void btrfs_exit_compress(void)
 {
 	free_workspaces();
 }
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 2c98b3a..6f820fa 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -1254,6 +1254,7 @@
 #define BTRFS_MOUNT_SPACE_CACHE		(1 << 12)
 #define BTRFS_MOUNT_CLEAR_CACHE		(1 << 13)
 #define BTRFS_MOUNT_USER_SUBVOL_RM_ALLOWED (1 << 14)
+#define BTRFS_MOUNT_ENOSPC_DEBUG	 (1 << 15)
 
 #define btrfs_clear_opt(o, opt)		((o) &= ~BTRFS_MOUNT_##opt)
 #define btrfs_set_opt(o, opt)		((o) |= BTRFS_MOUNT_##opt)
@@ -2218,6 +2219,8 @@
 				   u64 start, u64 end);
 int btrfs_error_discard_extent(struct btrfs_root *root, u64 bytenr,
 			       u64 num_bytes);
+int btrfs_force_chunk_alloc(struct btrfs_trans_handle *trans,
+			    struct btrfs_root *root, u64 type);
 
 /* ctree.c */
 int btrfs_bin_search(struct extent_buffer *eb, struct btrfs_key *key,
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index b531c36..e1aa8d6 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -359,10 +359,14 @@
 
 	tree = &BTRFS_I(page->mapping->host)->io_tree;
 
-	if (page->private == EXTENT_PAGE_PRIVATE)
+	if (page->private == EXTENT_PAGE_PRIVATE) {
+		WARN_ON(1);
 		goto out;
-	if (!page->private)
+	}
+	if (!page->private) {
+		WARN_ON(1);
 		goto out;
+	}
 	len = page->private >> 2;
 	WARN_ON(len == 0);
 
@@ -1550,6 +1554,7 @@
 		spin_unlock(&root->fs_info->new_trans_lock);
 
 		trans = btrfs_join_transaction(root, 1);
+		BUG_ON(IS_ERR(trans));
 		if (transid == trans->transid) {
 			ret = btrfs_commit_transaction(trans, root);
 			BUG_ON(ret);
@@ -2453,10 +2458,14 @@
 	up_write(&root->fs_info->cleanup_work_sem);
 
 	trans = btrfs_join_transaction(root, 1);
+	if (IS_ERR(trans))
+		return PTR_ERR(trans);
 	ret = btrfs_commit_transaction(trans, root);
 	BUG_ON(ret);
 	/* run commit again to drop the original snapshot */
 	trans = btrfs_join_transaction(root, 1);
+	if (IS_ERR(trans))
+		return PTR_ERR(trans);
 	btrfs_commit_transaction(trans, root);
 	ret = btrfs_write_and_wait_transaction(NULL, root);
 	BUG_ON(ret);
@@ -2554,6 +2563,8 @@
 	kfree(fs_info->chunk_root);
 	kfree(fs_info->dev_root);
 	kfree(fs_info->csum_root);
+	kfree(fs_info);
+
 	return 0;
 }
 
diff --git a/fs/btrfs/export.c b/fs/btrfs/export.c
index 9786963..ff27d7a 100644
--- a/fs/btrfs/export.c
+++ b/fs/btrfs/export.c
@@ -171,6 +171,8 @@
 	int ret;
 
 	path = btrfs_alloc_path();
+	if (!path)
+		return ERR_PTR(-ENOMEM);
 
 	if (dir->i_ino == BTRFS_FIRST_FREE_OBJECTID) {
 		key.objectid = root->root_key.objectid;
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index b552693..588ff98 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -320,11 +320,6 @@
 	if (!path)
 		return -ENOMEM;
 
-	exclude_super_stripes(extent_root, block_group);
-	spin_lock(&block_group->space_info->lock);
-	block_group->space_info->bytes_readonly += block_group->bytes_super;
-	spin_unlock(&block_group->space_info->lock);
-
 	last = max_t(u64, block_group->key.objectid, BTRFS_SUPER_INFO_OFFSET);
 
 	/*
@@ -467,8 +462,10 @@
 			cache->cached = BTRFS_CACHE_NO;
 		}
 		spin_unlock(&cache->lock);
-		if (ret == 1)
+		if (ret == 1) {
+			free_excluded_extents(fs_info->extent_root, cache);
 			return 0;
+		}
 	}
 
 	if (load_cache_only)
@@ -3344,8 +3341,10 @@
 	u64 reserved;
 	u64 max_reclaim;
 	u64 reclaimed = 0;
+	long time_left;
 	int pause = 1;
 	int nr_pages = (2 * 1024 * 1024) >> PAGE_CACHE_SHIFT;
+	int loops = 0;
 
 	block_rsv = &root->fs_info->delalloc_block_rsv;
 	space_info = block_rsv->space_info;
@@ -3358,7 +3357,7 @@
 
 	max_reclaim = min(reserved, to_reclaim);
 
-	while (1) {
+	while (loops < 1024) {
 		/* have the flusher threads jump in and do some IO */
 		smp_mb();
 		nr_pages = min_t(unsigned long, nr_pages,
@@ -3366,8 +3365,12 @@
 		writeback_inodes_sb_nr_if_idle(root->fs_info->sb, nr_pages);
 
 		spin_lock(&space_info->lock);
-		if (reserved > space_info->bytes_reserved)
+		if (reserved > space_info->bytes_reserved) {
+			loops = 0;
 			reclaimed += reserved - space_info->bytes_reserved;
+		} else {
+			loops++;
+		}
 		reserved = space_info->bytes_reserved;
 		spin_unlock(&space_info->lock);
 
@@ -3378,7 +3381,12 @@
 			return -EAGAIN;
 
 		__set_current_state(TASK_INTERRUPTIBLE);
-		schedule_timeout(pause);
+		time_left = schedule_timeout(pause);
+
+		/* We were interrupted, exit */
+		if (time_left)
+			break;
+
 		pause <<= 1;
 		if (pause > HZ / 10)
 			pause = HZ / 10;
@@ -3588,8 +3596,20 @@
 
 	if (num_bytes > 0) {
 		if (dest) {
-			block_rsv_add_bytes(dest, num_bytes, 0);
-		} else {
+			spin_lock(&dest->lock);
+			if (!dest->full) {
+				u64 bytes_to_add;
+
+				bytes_to_add = dest->size - dest->reserved;
+				bytes_to_add = min(num_bytes, bytes_to_add);
+				dest->reserved += bytes_to_add;
+				if (dest->reserved >= dest->size)
+					dest->full = 1;
+				num_bytes -= bytes_to_add;
+			}
+			spin_unlock(&dest->lock);
+		}
+		if (num_bytes) {
 			spin_lock(&space_info->lock);
 			space_info->bytes_reserved -= num_bytes;
 			spin_unlock(&space_info->lock);
@@ -4012,6 +4032,7 @@
 
 	num_bytes = ALIGN(num_bytes, root->sectorsize);
 	atomic_dec(&BTRFS_I(inode)->outstanding_extents);
+	WARN_ON(atomic_read(&BTRFS_I(inode)->outstanding_extents) < 0);
 
 	spin_lock(&BTRFS_I(inode)->accounting_lock);
 	nr_extents = atomic_read(&BTRFS_I(inode)->outstanding_extents);
@@ -5355,7 +5376,7 @@
 			       num_bytes, data, 1);
 		goto again;
 	}
-	if (ret == -ENOSPC) {
+	if (ret == -ENOSPC && btrfs_test_opt(root, ENOSPC_DEBUG)) {
 		struct btrfs_space_info *sinfo;
 
 		sinfo = __find_space_info(root->fs_info, data);
@@ -5633,6 +5654,7 @@
 	      struct btrfs_root *root, u32 blocksize)
 {
 	struct btrfs_block_rsv *block_rsv;
+	struct btrfs_block_rsv *global_rsv = &root->fs_info->global_block_rsv;
 	int ret;
 
 	block_rsv = get_block_rsv(trans, root);
@@ -5640,14 +5662,39 @@
 	if (block_rsv->size == 0) {
 		ret = reserve_metadata_bytes(trans, root, block_rsv,
 					     blocksize, 0);
-		if (ret)
+		/*
+		 * If we couldn't reserve metadata bytes try and use some from
+		 * the global reserve.
+		 */
+		if (ret && block_rsv != global_rsv) {
+			ret = block_rsv_use_bytes(global_rsv, blocksize);
+			if (!ret)
+				return global_rsv;
 			return ERR_PTR(ret);
+		} else if (ret) {
+			return ERR_PTR(ret);
+		}
 		return block_rsv;
 	}
 
 	ret = block_rsv_use_bytes(block_rsv, blocksize);
 	if (!ret)
 		return block_rsv;
+	if (ret) {
+		WARN_ON(1);
+		ret = reserve_metadata_bytes(trans, root, block_rsv, blocksize,
+					     0);
+		if (!ret) {
+			spin_lock(&block_rsv->lock);
+			block_rsv->size += blocksize;
+			spin_unlock(&block_rsv->lock);
+			return block_rsv;
+		} else if (ret && block_rsv != global_rsv) {
+			ret = block_rsv_use_bytes(global_rsv, blocksize);
+			if (!ret)
+				return global_rsv;
+		}
+	}
 
 	return ERR_PTR(-ENOSPC);
 }
@@ -6221,6 +6268,8 @@
 	BUG_ON(!wc);
 
 	trans = btrfs_start_transaction(tree_root, 0);
+	BUG_ON(IS_ERR(trans));
+
 	if (block_rsv)
 		trans->block_rsv = block_rsv;
 
@@ -6318,6 +6367,7 @@
 
 			btrfs_end_transaction_throttle(trans, tree_root);
 			trans = btrfs_start_transaction(tree_root, 0);
+			BUG_ON(IS_ERR(trans));
 			if (block_rsv)
 				trans->block_rsv = block_rsv;
 		}
@@ -6446,6 +6496,8 @@
 	int ret = 0;
 
 	ra = kzalloc(sizeof(*ra), GFP_NOFS);
+	if (!ra)
+		return -ENOMEM;
 
 	mutex_lock(&inode->i_mutex);
 	first_index = start >> PAGE_CACHE_SHIFT;
@@ -6531,7 +6583,7 @@
 	u64 end = start + extent_key->offset - 1;
 
 	em = alloc_extent_map(GFP_NOFS);
-	BUG_ON(!em || IS_ERR(em));
+	BUG_ON(!em);
 
 	em->start = start;
 	em->len = extent_key->offset;
@@ -7477,7 +7529,7 @@
 		BUG_ON(reloc_root->commit_root != NULL);
 		while (1) {
 			trans = btrfs_join_transaction(root, 1);
-			BUG_ON(!trans);
+			BUG_ON(IS_ERR(trans));
 
 			mutex_lock(&root->fs_info->drop_mutex);
 			ret = btrfs_drop_snapshot(trans, reloc_root);
@@ -7535,7 +7587,7 @@
 
 	if (found) {
 		trans = btrfs_start_transaction(root, 1);
-		BUG_ON(!trans);
+		BUG_ON(IS_ERR(trans));
 		ret = btrfs_commit_transaction(trans, root);
 		BUG_ON(ret);
 	}
@@ -7779,7 +7831,7 @@
 
 
 	trans = btrfs_start_transaction(extent_root, 1);
-	BUG_ON(!trans);
+	BUG_ON(IS_ERR(trans));
 
 	if (extent_key->objectid == 0) {
 		ret = del_extent_zero(trans, extent_root, path, extent_key);
@@ -8013,6 +8065,13 @@
 	return ret;
 }
 
+int btrfs_force_chunk_alloc(struct btrfs_trans_handle *trans,
+			    struct btrfs_root *root, u64 type)
+{
+	u64 alloc_flags = get_alloc_profile(root, type);
+	return do_chunk_alloc(trans, root, 2 * 1024 * 1024, alloc_flags, 1);
+}
+
 /*
  * helper to account the unused space of all the readonly block group in the
  * list. takes mirrors into account.
@@ -8270,6 +8329,13 @@
 		if (block_group->cached == BTRFS_CACHE_STARTED)
 			wait_block_group_cache_done(block_group);
 
+		/*
+		 * We haven't cached this block group, which means we could
+		 * possibly have excluded extents on this block group.
+		 */
+		if (block_group->cached == BTRFS_CACHE_NO)
+			free_excluded_extents(info->extent_root, block_group);
+
 		btrfs_remove_free_space_cache(block_group);
 		btrfs_put_block_group(block_group);
 
@@ -8385,6 +8451,13 @@
 		cache->sectorsize = root->sectorsize;
 
 		/*
+		 * We need to exclude the super stripes now so that the space
+		 * info has super bytes accounted for, otherwise we'll think
+		 * we have more space than we actually do.
+		 */
+		exclude_super_stripes(root, cache);
+
+		/*
 		 * check for two cases, either we are full, and therefore
 		 * don't need to bother with the caching work since we won't
 		 * find any space, or we are empty, and we can just add all
@@ -8392,12 +8465,10 @@
 		 * time, particularly in the full case.
 		 */
 		if (found_key.offset == btrfs_block_group_used(&cache->item)) {
-			exclude_super_stripes(root, cache);
 			cache->last_byte_to_unpin = (u64)-1;
 			cache->cached = BTRFS_CACHE_FINISHED;
 			free_excluded_extents(root, cache);
 		} else if (btrfs_block_group_used(&cache->item) == 0) {
-			exclude_super_stripes(root, cache);
 			cache->last_byte_to_unpin = (u64)-1;
 			cache->cached = BTRFS_CACHE_FINISHED;
 			add_new_free_space(cache, root->fs_info,
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 2e993cf..fd3f172 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -1433,12 +1433,13 @@
  */
 u64 count_range_bits(struct extent_io_tree *tree,
 		     u64 *start, u64 search_end, u64 max_bytes,
-		     unsigned long bits)
+		     unsigned long bits, int contig)
 {
 	struct rb_node *node;
 	struct extent_state *state;
 	u64 cur_start = *start;
 	u64 total_bytes = 0;
+	u64 last = 0;
 	int found = 0;
 
 	if (search_end <= cur_start) {
@@ -1463,7 +1464,9 @@
 		state = rb_entry(node, struct extent_state, rb_node);
 		if (state->start > search_end)
 			break;
-		if (state->end >= cur_start && (state->state & bits)) {
+		if (contig && found && state->start > last + 1)
+			break;
+		if (state->end >= cur_start && (state->state & bits) == bits) {
 			total_bytes += min(search_end, state->end) + 1 -
 				       max(cur_start, state->start);
 			if (total_bytes >= max_bytes)
@@ -1472,6 +1475,9 @@
 				*start = state->start;
 				found = 1;
 			}
+			last = state->end;
+		} else if (contig && found) {
+			break;
 		}
 		node = rb_next(node);
 		if (!node)
@@ -1865,7 +1871,7 @@
 	bio_get(bio);
 
 	if (tree->ops && tree->ops->submit_bio_hook)
-		tree->ops->submit_bio_hook(page->mapping->host, rw, bio,
+		ret = tree->ops->submit_bio_hook(page->mapping->host, rw, bio,
 					   mirror_num, bio_flags, start);
 	else
 		submit_bio(rw, bio);
@@ -1920,6 +1926,8 @@
 		nr = bio_get_nr_vecs(bdev);
 
 	bio = btrfs_bio_alloc(bdev, sector, nr, GFP_NOFS | __GFP_HIGH);
+	if (!bio)
+		return -ENOMEM;
 
 	bio_add_page(bio, page, page_size, offset);
 	bio->bi_end_io = end_io_func;
@@ -1944,6 +1952,7 @@
 
 static void set_page_extent_head(struct page *page, unsigned long len)
 {
+	WARN_ON(!PagePrivate(page));
 	set_page_private(page, EXTENT_PAGE_PRIVATE_FIRST_PAGE | len << 2);
 }
 
@@ -2126,7 +2135,7 @@
 	ret = __extent_read_full_page(tree, page, get_extent, &bio, 0,
 				      &bio_flags);
 	if (bio)
-		submit_one_bio(READ, bio, 0, bio_flags);
+		ret = submit_one_bio(READ, bio, 0, bio_flags);
 	return ret;
 }
 
@@ -2819,9 +2828,17 @@
 		 * at this point we can safely clear everything except the
 		 * locked bit and the nodatasum bit
 		 */
-		clear_extent_bit(tree, start, end,
+		ret = clear_extent_bit(tree, start, end,
 				 ~(EXTENT_LOCKED | EXTENT_NODATASUM),
 				 0, 0, NULL, mask);
+
+		/* if clear_extent_bit failed for enomem reasons,
+		 * we can't allow the release to continue.
+		 */
+		if (ret < 0)
+			ret = 0;
+		else
+			ret = 1;
 	}
 	return ret;
 }
@@ -2901,6 +2918,46 @@
 	return sector;
 }
 
+/*
+ * helper function for fiemap, which doesn't want to see any holes.
+ * This maps until we find something past 'last'
+ */
+static struct extent_map *get_extent_skip_holes(struct inode *inode,
+						u64 offset,
+						u64 last,
+						get_extent_t *get_extent)
+{
+	u64 sectorsize = BTRFS_I(inode)->root->sectorsize;
+	struct extent_map *em;
+	u64 len;
+
+	if (offset >= last)
+		return NULL;
+
+	while(1) {
+		len = last - offset;
+		if (len == 0)
+			break;
+		len = (len + sectorsize - 1) & ~(sectorsize - 1);
+		em = get_extent(inode, NULL, 0, offset, len, 0);
+		if (!em || IS_ERR(em))
+			return em;
+
+		/* if this isn't a hole return it */
+		if (!test_bit(EXTENT_FLAG_VACANCY, &em->flags) &&
+		    em->block_start != EXTENT_MAP_HOLE) {
+			return em;
+		}
+
+		/* this is a hole, advance to the next extent */
+		offset = extent_map_end(em);
+		free_extent_map(em);
+		if (offset >= last)
+			break;
+	}
+	return NULL;
+}
+
 int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
 		__u64 start, __u64 len, get_extent_t *get_extent)
 {
@@ -2910,16 +2967,19 @@
 	u32 flags = 0;
 	u32 found_type;
 	u64 last;
+	u64 last_for_get_extent = 0;
 	u64 disko = 0;
+	u64 isize = i_size_read(inode);
 	struct btrfs_key found_key;
 	struct extent_map *em = NULL;
 	struct extent_state *cached_state = NULL;
 	struct btrfs_path *path;
 	struct btrfs_file_extent_item *item;
 	int end = 0;
-	u64 em_start = 0, em_len = 0;
+	u64 em_start = 0;
+	u64 em_len = 0;
+	u64 em_end = 0;
 	unsigned long emflags;
-	int hole = 0;
 
 	if (len == 0)
 		return -EINVAL;
@@ -2929,6 +2989,10 @@
 		return -ENOMEM;
 	path->leave_spinning = 1;
 
+	/*
+	 * lookup the last file extent.  We're not using i_size here
+	 * because there might be preallocation past i_size
+	 */
 	ret = btrfs_lookup_file_extent(NULL, BTRFS_I(inode)->root,
 				       path, inode->i_ino, -1, 0);
 	if (ret < 0) {
@@ -2942,18 +3006,38 @@
 	btrfs_item_key_to_cpu(path->nodes[0], &found_key, path->slots[0]);
 	found_type = btrfs_key_type(&found_key);
 
-	/* No extents, just return */
+	/* No extents, but there might be delalloc bits */
 	if (found_key.objectid != inode->i_ino ||
 	    found_type != BTRFS_EXTENT_DATA_KEY) {
-		btrfs_free_path(path);
-		return 0;
+		/* have to trust i_size as the end */
+		last = (u64)-1;
+		last_for_get_extent = isize;
+	} else {
+		/*
+		 * remember the start of the last extent.  There are a
+		 * bunch of different factors that go into the length of the
+		 * extent, so its much less complex to remember where it started
+		 */
+		last = found_key.offset;
+		last_for_get_extent = last + 1;
 	}
-	last = found_key.offset;
 	btrfs_free_path(path);
 
+	/*
+	 * we might have some extents allocated but more delalloc past those
+	 * extents.  so, we trust isize unless the start of the last extent is
+	 * beyond isize
+	 */
+	if (last < isize) {
+		last = (u64)-1;
+		last_for_get_extent = isize;
+	}
+
 	lock_extent_bits(&BTRFS_I(inode)->io_tree, start, start + len, 0,
 			 &cached_state, GFP_NOFS);
-	em = get_extent(inode, NULL, 0, off, max - off, 0);
+
+	em = get_extent_skip_holes(inode, off, last_for_get_extent,
+				   get_extent);
 	if (!em)
 		goto out;
 	if (IS_ERR(em)) {
@@ -2962,19 +3046,14 @@
 	}
 
 	while (!end) {
-		hole = 0;
-		off = em->start + em->len;
+		off = extent_map_end(em);
 		if (off >= max)
 			end = 1;
 
-		if (em->block_start == EXTENT_MAP_HOLE) {
-			hole = 1;
-			goto next;
-		}
-
 		em_start = em->start;
 		em_len = em->len;
-
+		em_end = extent_map_end(em);
+		emflags = em->flags;
 		disko = 0;
 		flags = 0;
 
@@ -2993,37 +3072,29 @@
 		if (test_bit(EXTENT_FLAG_COMPRESSED, &em->flags))
 			flags |= FIEMAP_EXTENT_ENCODED;
 
-next:
-		emflags = em->flags;
 		free_extent_map(em);
 		em = NULL;
-		if (!end) {
-			em = get_extent(inode, NULL, 0, off, max - off, 0);
-			if (!em)
-				goto out;
-			if (IS_ERR(em)) {
-				ret = PTR_ERR(em);
-				goto out;
-			}
-			emflags = em->flags;
-		}
-
-		if (test_bit(EXTENT_FLAG_VACANCY, &emflags)) {
+		if ((em_start >= last) || em_len == (u64)-1 ||
+		   (last == (u64)-1 && isize <= em_end)) {
 			flags |= FIEMAP_EXTENT_LAST;
 			end = 1;
 		}
 
-		if (em_start == last) {
+		/* now scan forward to see if this is really the last extent. */
+		em = get_extent_skip_holes(inode, off, last_for_get_extent,
+					   get_extent);
+		if (IS_ERR(em)) {
+			ret = PTR_ERR(em);
+			goto out;
+		}
+		if (!em) {
 			flags |= FIEMAP_EXTENT_LAST;
 			end = 1;
 		}
-
-		if (!hole) {
-			ret = fiemap_fill_next_extent(fieinfo, em_start, disko,
-						em_len, flags);
-			if (ret)
-				goto out_free;
-		}
+		ret = fiemap_fill_next_extent(fieinfo, em_start, disko,
+					      em_len, flags);
+		if (ret)
+			goto out_free;
 	}
 out_free:
 	free_extent_map(em);
@@ -3192,7 +3263,13 @@
 		}
 		if (!PageUptodate(p))
 			uptodate = 0;
-		unlock_page(p);
+
+		/*
+		 * see below about how we avoid a nasty race with release page
+		 * and why we unlock later
+		 */
+		if (i != 0)
+			unlock_page(p);
 	}
 	if (uptodate)
 		set_bit(EXTENT_BUFFER_UPTODATE, &eb->bflags);
@@ -3216,9 +3293,26 @@
 	atomic_inc(&eb->refs);
 	spin_unlock(&tree->buffer_lock);
 	radix_tree_preload_end();
+
+	/*
+	 * there is a race where release page may have
+	 * tried to find this extent buffer in the radix
+	 * but failed.  It will tell the VM it is safe to
+	 * reclaim the, and it will clear the page private bit.
+	 * We must make sure to set the page private bit properly
+	 * after the extent buffer is in the radix tree so
+	 * it doesn't get lost
+	 */
+	set_page_extent_mapped(eb->first_page);
+	set_page_extent_head(eb->first_page, eb->len);
+	if (!page0)
+		unlock_page(eb->first_page);
 	return eb;
 
 free_eb:
+	if (eb->first_page && !page0)
+		unlock_page(eb->first_page);
+
 	if (!atomic_dec_and_test(&eb->refs))
 		return exists;
 	btrfs_release_extent_buffer(eb);
@@ -3269,10 +3363,11 @@
 			continue;
 
 		lock_page(page);
+		WARN_ON(!PagePrivate(page));
+
+		set_page_extent_mapped(page);
 		if (i == 0)
 			set_page_extent_head(page, eb->len);
-		else
-			set_page_private(page, EXTENT_PAGE_PRIVATE);
 
 		clear_page_dirty_for_io(page);
 		spin_lock_irq(&page->mapping->tree_lock);
@@ -3462,6 +3557,13 @@
 
 	for (i = start_i; i < num_pages; i++) {
 		page = extent_buffer_page(eb, i);
+
+		WARN_ON(!PagePrivate(page));
+
+		set_page_extent_mapped(page);
+		if (i == 0)
+			set_page_extent_head(page, eb->len);
+
 		if (inc_all_pages)
 			page_cache_get(page);
 		if (!PageUptodate(page)) {
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index 7083cfa..9318dfe 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -191,7 +191,7 @@
 
 u64 count_range_bits(struct extent_io_tree *tree,
 		     u64 *start, u64 search_end,
-		     u64 max_bytes, unsigned long bits);
+		     u64 max_bytes, unsigned long bits, int contig);
 
 void free_extent_state(struct extent_state *state);
 int test_range_bit(struct extent_io_tree *tree, u64 start, u64 end,
diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c
index b0e1fce..2b6c12e 100644
--- a/fs/btrfs/extent_map.c
+++ b/fs/btrfs/extent_map.c
@@ -51,8 +51,8 @@
 {
 	struct extent_map *em;
 	em = kmem_cache_alloc(extent_map_cache, mask);
-	if (!em || IS_ERR(em))
-		return em;
+	if (!em)
+		return NULL;
 	em->in_tree = 0;
 	em->flags = 0;
 	em->compress_type = BTRFS_COMPRESS_NONE;
diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c
index a562a25..4f19a3e 100644
--- a/fs/btrfs/file-item.c
+++ b/fs/btrfs/file-item.c
@@ -536,6 +536,8 @@
 	root = root->fs_info->csum_root;
 
 	path = btrfs_alloc_path();
+	if (!path)
+		return -ENOMEM;
 
 	while (1) {
 		key.objectid = BTRFS_EXTENT_CSUM_OBJECTID;
@@ -548,7 +550,10 @@
 			if (path->slots[0] == 0)
 				goto out;
 			path->slots[0]--;
+		} else if (ret < 0) {
+			goto out;
 		}
+
 		leaf = path->nodes[0];
 		btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);
 
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index c800d58..7084140 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -186,6 +186,7 @@
 			split = alloc_extent_map(GFP_NOFS);
 		if (!split2)
 			split2 = alloc_extent_map(GFP_NOFS);
+		BUG_ON(!split || !split2);
 
 		write_lock(&em_tree->lock);
 		em = lookup_extent_mapping(em_tree, start, len);
@@ -793,8 +794,12 @@
 	for (i = 0; i < num_pages; i++) {
 		pages[i] = grab_cache_page(inode->i_mapping, index + i);
 		if (!pages[i]) {
-			err = -ENOMEM;
-			BUG_ON(1);
+			int c;
+			for (c = i - 1; c >= 0; c--) {
+				unlock_page(pages[c]);
+				page_cache_release(pages[c]);
+			}
+			return -ENOMEM;
 		}
 		wait_on_page_writeback(pages[i]);
 	}
@@ -946,6 +951,10 @@
 		     PAGE_CACHE_SIZE, PAGE_CACHE_SIZE /
 		     (sizeof(struct page *)));
 	pages = kmalloc(nrptrs * sizeof(struct page *), GFP_KERNEL);
+	if (!pages) {
+		ret = -ENOMEM;
+		goto out;
+	}
 
 	/* generic_write_checks can change our pos */
 	start_pos = pos;
@@ -984,8 +993,8 @@
 		size_t write_bytes = min(iov_iter_count(&i),
 					 nrptrs * (size_t)PAGE_CACHE_SIZE -
 					 offset);
-		size_t num_pages = (write_bytes + PAGE_CACHE_SIZE - 1) >>
-					PAGE_CACHE_SHIFT;
+		size_t num_pages = (write_bytes + offset +
+				    PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
 
 		WARN_ON(num_pages > nrptrs);
 		memset(pages, 0, sizeof(struct page *) * nrptrs);
@@ -1015,8 +1024,8 @@
 
 		copied = btrfs_copy_from_user(pos, num_pages,
 					   write_bytes, pages, &i);
-		dirty_pages = (copied + PAGE_CACHE_SIZE - 1) >>
-					PAGE_CACHE_SHIFT;
+		dirty_pages = (copied + offset + PAGE_CACHE_SIZE - 1) >>
+				PAGE_CACHE_SHIFT;
 
 		if (num_pages > dirty_pages) {
 			if (copied > 0)
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 60d6842..a039065 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -987,11 +987,18 @@
 	return entry;
 }
 
-static void unlink_free_space(struct btrfs_block_group_cache *block_group,
-			      struct btrfs_free_space *info)
+static inline void
+__unlink_free_space(struct btrfs_block_group_cache *block_group,
+		    struct btrfs_free_space *info)
 {
 	rb_erase(&info->offset_index, &block_group->free_space_offset);
 	block_group->free_extents--;
+}
+
+static void unlink_free_space(struct btrfs_block_group_cache *block_group,
+			      struct btrfs_free_space *info)
+{
+	__unlink_free_space(block_group, info);
 	block_group->free_space -= info->bytes;
 }
 
@@ -1016,14 +1023,18 @@
 	u64 max_bytes;
 	u64 bitmap_bytes;
 	u64 extent_bytes;
+	u64 size = block_group->key.offset;
 
 	/*
 	 * The goal is to keep the total amount of memory used per 1gb of space
 	 * at or below 32k, so we need to adjust how much memory we allow to be
 	 * used by extent based free space tracking
 	 */
-	max_bytes = MAX_CACHE_BYTES_PER_GIG *
-		(div64_u64(block_group->key.offset, 1024 * 1024 * 1024));
+	if (size < 1024 * 1024 * 1024)
+		max_bytes = MAX_CACHE_BYTES_PER_GIG;
+	else
+		max_bytes = MAX_CACHE_BYTES_PER_GIG *
+			div64_u64(size, 1024 * 1024 * 1024);
 
 	/*
 	 * we want to account for 1 more bitmap than what we have so we can make
@@ -1171,6 +1182,16 @@
 	recalculate_thresholds(block_group);
 }
 
+static void free_bitmap(struct btrfs_block_group_cache *block_group,
+			struct btrfs_free_space *bitmap_info)
+{
+	unlink_free_space(block_group, bitmap_info);
+	kfree(bitmap_info->bitmap);
+	kfree(bitmap_info);
+	block_group->total_bitmaps--;
+	recalculate_thresholds(block_group);
+}
+
 static noinline int remove_from_bitmap(struct btrfs_block_group_cache *block_group,
 			      struct btrfs_free_space *bitmap_info,
 			      u64 *offset, u64 *bytes)
@@ -1195,6 +1216,7 @@
 	 */
 	search_start = *offset;
 	search_bytes = *bytes;
+	search_bytes = min(search_bytes, end - search_start + 1);
 	ret = search_bitmap(block_group, bitmap_info, &search_start,
 			    &search_bytes);
 	BUG_ON(ret < 0 || search_start != *offset);
@@ -1211,13 +1233,8 @@
 
 	if (*bytes) {
 		struct rb_node *next = rb_next(&bitmap_info->offset_index);
-		if (!bitmap_info->bytes) {
-			unlink_free_space(block_group, bitmap_info);
-			kfree(bitmap_info->bitmap);
-			kfree(bitmap_info);
-			block_group->total_bitmaps--;
-			recalculate_thresholds(block_group);
-		}
+		if (!bitmap_info->bytes)
+			free_bitmap(block_group, bitmap_info);
 
 		/*
 		 * no entry after this bitmap, but we still have bytes to
@@ -1250,13 +1267,8 @@
 			return -EAGAIN;
 
 		goto again;
-	} else if (!bitmap_info->bytes) {
-		unlink_free_space(block_group, bitmap_info);
-		kfree(bitmap_info->bitmap);
-		kfree(bitmap_info);
-		block_group->total_bitmaps--;
-		recalculate_thresholds(block_group);
-	}
+	} else if (!bitmap_info->bytes)
+		free_bitmap(block_group, bitmap_info);
 
 	return 0;
 }
@@ -1359,22 +1371,14 @@
 	return ret;
 }
 
-int btrfs_add_free_space(struct btrfs_block_group_cache *block_group,
-			 u64 offset, u64 bytes)
+bool try_merge_free_space(struct btrfs_block_group_cache *block_group,
+			  struct btrfs_free_space *info, bool update_stat)
 {
-	struct btrfs_free_space *right_info = NULL;
-	struct btrfs_free_space *left_info = NULL;
-	struct btrfs_free_space *info = NULL;
-	int ret = 0;
-
-	info = kzalloc(sizeof(struct btrfs_free_space), GFP_NOFS);
-	if (!info)
-		return -ENOMEM;
-
-	info->offset = offset;
-	info->bytes = bytes;
-
-	spin_lock(&block_group->tree_lock);
+	struct btrfs_free_space *left_info;
+	struct btrfs_free_space *right_info;
+	bool merged = false;
+	u64 offset = info->offset;
+	u64 bytes = info->bytes;
 
 	/*
 	 * first we want to see if there is free space adjacent to the range we
@@ -1388,37 +1392,62 @@
 	else
 		left_info = tree_search_offset(block_group, offset - 1, 0, 0);
 
-	/*
-	 * If there was no extent directly to the left or right of this new
-	 * extent then we know we're going to have to allocate a new extent, so
-	 * before we do that see if we need to drop this into a bitmap
-	 */
-	if ((!left_info || left_info->bitmap) &&
-	    (!right_info || right_info->bitmap)) {
-		ret = insert_into_bitmap(block_group, info);
-
-		if (ret < 0) {
-			goto out;
-		} else if (ret) {
-			ret = 0;
-			goto out;
-		}
-	}
-
 	if (right_info && !right_info->bitmap) {
-		unlink_free_space(block_group, right_info);
+		if (update_stat)
+			unlink_free_space(block_group, right_info);
+		else
+			__unlink_free_space(block_group, right_info);
 		info->bytes += right_info->bytes;
 		kfree(right_info);
+		merged = true;
 	}
 
 	if (left_info && !left_info->bitmap &&
 	    left_info->offset + left_info->bytes == offset) {
-		unlink_free_space(block_group, left_info);
+		if (update_stat)
+			unlink_free_space(block_group, left_info);
+		else
+			__unlink_free_space(block_group, left_info);
 		info->offset = left_info->offset;
 		info->bytes += left_info->bytes;
 		kfree(left_info);
+		merged = true;
 	}
 
+	return merged;
+}
+
+int btrfs_add_free_space(struct btrfs_block_group_cache *block_group,
+			 u64 offset, u64 bytes)
+{
+	struct btrfs_free_space *info;
+	int ret = 0;
+
+	info = kzalloc(sizeof(struct btrfs_free_space), GFP_NOFS);
+	if (!info)
+		return -ENOMEM;
+
+	info->offset = offset;
+	info->bytes = bytes;
+
+	spin_lock(&block_group->tree_lock);
+
+	if (try_merge_free_space(block_group, info, true))
+		goto link;
+
+	/*
+	 * There was no extent directly to the left or right of this new
+	 * extent then we know we're going to have to allocate a new extent, so
+	 * before we do that see if we need to drop this into a bitmap
+	 */
+	ret = insert_into_bitmap(block_group, info);
+	if (ret < 0) {
+		goto out;
+	} else if (ret) {
+		ret = 0;
+		goto out;
+	}
+link:
 	ret = link_free_space(block_group, info);
 	if (ret)
 		kfree(info);
@@ -1621,6 +1650,7 @@
 		node = rb_next(&entry->offset_index);
 		rb_erase(&entry->offset_index, &cluster->root);
 		BUG_ON(entry->bitmap);
+		try_merge_free_space(block_group, entry, false);
 		tree_insert_offset(&block_group->free_space_offset,
 				   entry->offset, &entry->offset_index, 0);
 	}
@@ -1685,13 +1715,8 @@
 	ret = offset;
 	if (entry->bitmap) {
 		bitmap_clear_bits(block_group, entry, offset, bytes);
-		if (!entry->bytes) {
-			unlink_free_space(block_group, entry);
-			kfree(entry->bitmap);
-			kfree(entry);
-			block_group->total_bitmaps--;
-			recalculate_thresholds(block_group);
-		}
+		if (!entry->bytes)
+			free_bitmap(block_group, entry);
 	} else {
 		unlink_free_space(block_group, entry);
 		entry->offset += bytes;
@@ -1789,6 +1814,8 @@
 
 	ret = search_start;
 	bitmap_clear_bits(block_group, entry, ret, bytes);
+	if (entry->bytes == 0)
+		free_bitmap(block_group, entry);
 out:
 	spin_unlock(&cluster->lock);
 	spin_unlock(&block_group->tree_lock);
@@ -1842,15 +1869,26 @@
 		entry->offset += bytes;
 		entry->bytes -= bytes;
 
-		if (entry->bytes == 0) {
+		if (entry->bytes == 0)
 			rb_erase(&entry->offset_index, &cluster->root);
-			kfree(entry);
-		}
 		break;
 	}
 out:
 	spin_unlock(&cluster->lock);
 
+	if (!ret)
+		return 0;
+
+	spin_lock(&block_group->tree_lock);
+
+	block_group->free_space -= bytes;
+	if (entry->bytes == 0) {
+		block_group->free_extents--;
+		kfree(entry);
+	}
+
+	spin_unlock(&block_group->tree_lock);
+
 	return ret;
 }
 
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 160b55b..0efdb65 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -416,7 +416,7 @@
 	}
 	if (start == 0) {
 		trans = btrfs_join_transaction(root, 1);
-		BUG_ON(!trans);
+		BUG_ON(IS_ERR(trans));
 		btrfs_set_trans_block_group(trans, inode);
 		trans->block_rsv = &root->fs_info->delalloc_block_rsv;
 
@@ -612,6 +612,7 @@
 			    GFP_NOFS);
 
 		trans = btrfs_join_transaction(root, 1);
+		BUG_ON(IS_ERR(trans));
 		ret = btrfs_reserve_extent(trans, root,
 					   async_extent->compressed_size,
 					   async_extent->compressed_size,
@@ -643,6 +644,7 @@
 					async_extent->ram_size - 1, 0);
 
 		em = alloc_extent_map(GFP_NOFS);
+		BUG_ON(!em);
 		em->start = async_extent->start;
 		em->len = async_extent->ram_size;
 		em->orig_start = em->start;
@@ -771,7 +773,7 @@
 
 	BUG_ON(root == root->fs_info->tree_root);
 	trans = btrfs_join_transaction(root, 1);
-	BUG_ON(!trans);
+	BUG_ON(IS_ERR(trans));
 	btrfs_set_trans_block_group(trans, inode);
 	trans->block_rsv = &root->fs_info->delalloc_block_rsv;
 
@@ -819,6 +821,7 @@
 		BUG_ON(ret);
 
 		em = alloc_extent_map(GFP_NOFS);
+		BUG_ON(!em);
 		em->start = start;
 		em->orig_start = em->start;
 		ram_size = ins.offset;
@@ -1049,7 +1052,7 @@
 	} else {
 		trans = btrfs_join_transaction(root, 1);
 	}
-	BUG_ON(!trans);
+	BUG_ON(IS_ERR(trans));
 
 	cow_start = (u64)-1;
 	cur_offset = start;
@@ -1168,6 +1171,7 @@
 			struct extent_map_tree *em_tree;
 			em_tree = &BTRFS_I(inode)->extent_tree;
 			em = alloc_extent_map(GFP_NOFS);
+			BUG_ON(!em);
 			em->start = cur_offset;
 			em->orig_start = em->start;
 			em->len = num_bytes;
@@ -1557,6 +1561,7 @@
 out_page:
 	unlock_page(page);
 	page_cache_release(page);
+	kfree(fixup);
 }
 
 /*
@@ -1703,7 +1708,7 @@
 				trans = btrfs_join_transaction_nolock(root, 1);
 			else
 				trans = btrfs_join_transaction(root, 1);
-			BUG_ON(!trans);
+			BUG_ON(IS_ERR(trans));
 			btrfs_set_trans_block_group(trans, inode);
 			trans->block_rsv = &root->fs_info->delalloc_block_rsv;
 			ret = btrfs_update_inode(trans, root, inode);
@@ -1720,6 +1725,7 @@
 		trans = btrfs_join_transaction_nolock(root, 1);
 	else
 		trans = btrfs_join_transaction(root, 1);
+	BUG_ON(IS_ERR(trans));
 	btrfs_set_trans_block_group(trans, inode);
 	trans->block_rsv = &root->fs_info->delalloc_block_rsv;
 
@@ -1907,7 +1913,7 @@
 
 	private = 0;
 	if (count_range_bits(&BTRFS_I(inode)->io_failure_tree, &private,
-			     (u64)-1, 1, EXTENT_DIRTY)) {
+			     (u64)-1, 1, EXTENT_DIRTY, 0)) {
 		ret = get_state_private(&BTRFS_I(inode)->io_failure_tree,
 					start, &private_failure);
 		if (ret == 0) {
@@ -2354,6 +2360,7 @@
 		 */
 		if (is_bad_inode(inode)) {
 			trans = btrfs_start_transaction(root, 0);
+			BUG_ON(IS_ERR(trans));
 			btrfs_orphan_del(trans, inode);
 			btrfs_end_transaction(trans, root);
 			iput(inode);
@@ -2381,6 +2388,7 @@
 
 	if (root->orphan_block_rsv || root->orphan_item_inserted) {
 		trans = btrfs_join_transaction(root, 1);
+		BUG_ON(IS_ERR(trans));
 		btrfs_end_transaction(trans, root);
 	}
 
@@ -2641,7 +2649,7 @@
 	path = btrfs_alloc_path();
 	if (!path) {
 		ret = -ENOMEM;
-		goto err;
+		goto out;
 	}
 
 	path->leave_spinning = 1;
@@ -2714,9 +2722,10 @@
 	struct extent_buffer *eb;
 	int level;
 	u64 refs = 1;
-	int uninitialized_var(ret);
 
 	for (level = 0; level < BTRFS_MAX_LEVEL; level++) {
+		int ret;
+
 		if (!path->nodes[level])
 			break;
 		eb = path->nodes[level];
@@ -2727,7 +2736,7 @@
 		if (refs > 1)
 			return 1;
 	}
-	return ret; /* XXX callers? */
+	return 0;
 }
 
 /*
@@ -4134,7 +4143,7 @@
 	}
 	srcu_read_unlock(&root->fs_info->subvol_srcu, index);
 
-	if (root != sub_root) {
+	if (!IS_ERR(inode) && root != sub_root) {
 		down_read(&root->fs_info->cleanup_work_sem);
 		if (!(inode->i_sb->s_flags & MS_RDONLY))
 			btrfs_orphan_cleanup(sub_root);
@@ -4347,6 +4356,8 @@
 			trans = btrfs_join_transaction_nolock(root, 1);
 		else
 			trans = btrfs_join_transaction(root, 1);
+		if (IS_ERR(trans))
+			return PTR_ERR(trans);
 		btrfs_set_trans_block_group(trans, inode);
 		if (nolock)
 			ret = btrfs_end_transaction_nolock(trans, root);
@@ -4372,6 +4383,7 @@
 		return;
 
 	trans = btrfs_join_transaction(root, 1);
+	BUG_ON(IS_ERR(trans));
 	btrfs_set_trans_block_group(trans, inode);
 
 	ret = btrfs_update_inode(trans, root, inode);
@@ -5176,6 +5188,8 @@
 				em = NULL;
 				btrfs_release_path(root, path);
 				trans = btrfs_join_transaction(root, 1);
+				if (IS_ERR(trans))
+					return ERR_CAST(trans);
 				goto again;
 			}
 			map = kmap(page);
@@ -5266,6 +5280,128 @@
 	return em;
 }
 
+struct extent_map *btrfs_get_extent_fiemap(struct inode *inode, struct page *page,
+					   size_t pg_offset, u64 start, u64 len,
+					   int create)
+{
+	struct extent_map *em;
+	struct extent_map *hole_em = NULL;
+	u64 range_start = start;
+	u64 end;
+	u64 found;
+	u64 found_end;
+	int err = 0;
+
+	em = btrfs_get_extent(inode, page, pg_offset, start, len, create);
+	if (IS_ERR(em))
+		return em;
+	if (em) {
+		/*
+		 * if our em maps to a hole, there might
+		 * actually be delalloc bytes behind it
+		 */
+		if (em->block_start != EXTENT_MAP_HOLE)
+			return em;
+		else
+			hole_em = em;
+	}
+
+	/* check to see if we've wrapped (len == -1 or similar) */
+	end = start + len;
+	if (end < start)
+		end = (u64)-1;
+	else
+		end -= 1;
+
+	em = NULL;
+
+	/* ok, we didn't find anything, lets look for delalloc */
+	found = count_range_bits(&BTRFS_I(inode)->io_tree, &range_start,
+				 end, len, EXTENT_DELALLOC, 1);
+	found_end = range_start + found;
+	if (found_end < range_start)
+		found_end = (u64)-1;
+
+	/*
+	 * we didn't find anything useful, return
+	 * the original results from get_extent()
+	 */
+	if (range_start > end || found_end <= start) {
+		em = hole_em;
+		hole_em = NULL;
+		goto out;
+	}
+
+	/* adjust the range_start to make sure it doesn't
+	 * go backwards from the start they passed in
+	 */
+	range_start = max(start,range_start);
+	found = found_end - range_start;
+
+	if (found > 0) {
+		u64 hole_start = start;
+		u64 hole_len = len;
+
+		em = alloc_extent_map(GFP_NOFS);
+		if (!em) {
+			err = -ENOMEM;
+			goto out;
+		}
+		/*
+		 * when btrfs_get_extent can't find anything it
+		 * returns one huge hole
+		 *
+		 * make sure what it found really fits our range, and
+		 * adjust to make sure it is based on the start from
+		 * the caller
+		 */
+		if (hole_em) {
+			u64 calc_end = extent_map_end(hole_em);
+
+			if (calc_end <= start || (hole_em->start > end)) {
+				free_extent_map(hole_em);
+				hole_em = NULL;
+			} else {
+				hole_start = max(hole_em->start, start);
+				hole_len = calc_end - hole_start;
+			}
+		}
+		em->bdev = NULL;
+		if (hole_em && range_start > hole_start) {
+			/* our hole starts before our delalloc, so we
+			 * have to return just the parts of the hole
+			 * that go until  the delalloc starts
+			 */
+			em->len = min(hole_len,
+				      range_start - hole_start);
+			em->start = hole_start;
+			em->orig_start = hole_start;
+			/*
+			 * don't adjust block start at all,
+			 * it is fixed at EXTENT_MAP_HOLE
+			 */
+			em->block_start = hole_em->block_start;
+			em->block_len = hole_len;
+		} else {
+			em->start = range_start;
+			em->len = found;
+			em->orig_start = range_start;
+			em->block_start = EXTENT_MAP_DELALLOC;
+			em->block_len = found;
+		}
+	} else if (hole_em) {
+		return hole_em;
+	}
+out:
+
+	free_extent_map(hole_em);
+	if (err) {
+		free_extent_map(em);
+		return ERR_PTR(err);
+	}
+	return em;
+}
+
 static struct extent_map *btrfs_new_extent_direct(struct inode *inode,
 						  u64 start, u64 len)
 {
@@ -5280,8 +5416,8 @@
 	btrfs_drop_extent_cache(inode, start, start + len - 1, 0);
 
 	trans = btrfs_join_transaction(root, 0);
-	if (!trans)
-		return ERR_PTR(-ENOMEM);
+	if (IS_ERR(trans))
+		return ERR_CAST(trans);
 
 	trans->block_rsv = &root->fs_info->delalloc_block_rsv;
 
@@ -5505,7 +5641,7 @@
 		 * while we look for nocow cross refs
 		 */
 		trans = btrfs_join_transaction(root, 0);
-		if (!trans)
+		if (IS_ERR(trans))
 			goto must_cow;
 
 		if (can_nocow_odirect(trans, inode, start, len) == 1) {
@@ -5640,7 +5776,7 @@
 	BUG_ON(!ordered);
 
 	trans = btrfs_join_transaction(root, 1);
-	if (!trans) {
+	if (IS_ERR(trans)) {
 		err = -ENOMEM;
 		goto out;
 	}
@@ -6088,7 +6224,7 @@
 static int btrfs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
 		__u64 start, __u64 len)
 {
-	return extent_fiemap(inode, fieinfo, start, len, btrfs_get_extent);
+	return extent_fiemap(inode, fieinfo, start, len, btrfs_get_extent_fiemap);
 }
 
 int btrfs_readpage(struct file *file, struct page *page)
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index a506a22..5fdb2ab 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -203,7 +203,7 @@
 
 
 	trans = btrfs_join_transaction(root, 1);
-	BUG_ON(!trans);
+	BUG_ON(IS_ERR(trans));
 
 	ret = btrfs_update_inode(trans, root, inode);
 	BUG_ON(ret);
@@ -907,6 +907,10 @@
 
 	if (new_size > old_size) {
 		trans = btrfs_start_transaction(root, 0);
+		if (IS_ERR(trans)) {
+			ret = PTR_ERR(trans);
+			goto out_unlock;
+		}
 		ret = btrfs_grow_device(trans, device, new_size);
 		btrfs_commit_transaction(trans, root);
 	} else {
@@ -1067,12 +1071,15 @@
 	if (copy_from_user(&flags, arg, sizeof(flags)))
 		return -EFAULT;
 
-	if (flags & ~BTRFS_SUBVOL_CREATE_ASYNC)
+	if (flags & BTRFS_SUBVOL_CREATE_ASYNC)
 		return -EINVAL;
 
 	if (flags & ~BTRFS_SUBVOL_RDONLY)
 		return -EOPNOTSUPP;
 
+	if (!is_owner_or_cap(inode))
+		return -EACCES;
+
 	down_write(&root->fs_info->subvol_sem);
 
 	/* nothing to do */
@@ -1093,7 +1100,7 @@
 		goto out_reset;
 	}
 
-	ret = btrfs_update_root(trans, root,
+	ret = btrfs_update_root(trans, root->fs_info->tree_root,
 				&root->root_key, &root->root_item);
 
 	btrfs_commit_transaction(trans, root);
@@ -1898,7 +1905,10 @@
 
 			memcpy(&new_key, &key, sizeof(new_key));
 			new_key.objectid = inode->i_ino;
-			new_key.offset = key.offset + destoff - off;
+			if (off <= key.offset)
+				new_key.offset = key.offset + destoff - off;
+			else
+				new_key.offset = destoff;
 
 			trans = btrfs_start_transaction(root, 1);
 			if (IS_ERR(trans)) {
@@ -2082,7 +2092,7 @@
 
 	ret = -ENOMEM;
 	trans = btrfs_start_ioctl_transaction(root, 0);
-	if (!trans)
+	if (IS_ERR(trans))
 		goto out_drop;
 
 	file->private_data = trans;
@@ -2138,9 +2148,9 @@
 	path->leave_spinning = 1;
 
 	trans = btrfs_start_transaction(root, 1);
-	if (!trans) {
+	if (IS_ERR(trans)) {
 		btrfs_free_path(path);
-		return -ENOMEM;
+		return PTR_ERR(trans);
 	}
 
 	dir_id = btrfs_super_root_dir(&root->fs_info->super_copy);
@@ -2201,7 +2211,7 @@
 	int num_types = 4;
 	int alloc_size;
 	int ret = 0;
-	int slot_count = 0;
+	u64 slot_count = 0;
 	int i, c;
 
 	if (copy_from_user(&space_args,
@@ -2240,7 +2250,7 @@
 		goto out;
 	}
 
-	slot_count = min_t(int, space_args.space_slots, slot_count);
+	slot_count = min_t(u64, space_args.space_slots, slot_count);
 
 	alloc_size = sizeof(*dest) * slot_count;
 
@@ -2260,6 +2270,9 @@
 	for (i = 0; i < num_types; i++) {
 		struct btrfs_space_info *tmp;
 
+		if (!slot_count)
+			break;
+
 		info = NULL;
 		rcu_read_lock();
 		list_for_each_entry_rcu(tmp, &root->fs_info->space_info,
@@ -2281,7 +2294,10 @@
 				memcpy(dest, &space, sizeof(space));
 				dest++;
 				space_args.total_spaces++;
+				slot_count--;
 			}
+			if (!slot_count)
+				break;
 		}
 		up_read(&info->groups_sem);
 	}
@@ -2334,6 +2350,8 @@
 	u64 transid;
 
 	trans = btrfs_start_transaction(root, 0);
+	if (IS_ERR(trans))
+		return PTR_ERR(trans);
 	transid = trans->transid;
 	btrfs_commit_transaction_async(trans, root, 0);
 
diff --git a/fs/btrfs/lzo.c b/fs/btrfs/lzo.c
index cc9b450..a178f5e 100644
--- a/fs/btrfs/lzo.c
+++ b/fs/btrfs/lzo.c
@@ -280,6 +280,7 @@
 	unsigned long tot_out;
 	unsigned long tot_len;
 	char *buf;
+	bool may_late_unmap, need_unmap;
 
 	data_in = kmap(pages_in[0]);
 	tot_len = read_compress_length(data_in);
@@ -300,11 +301,13 @@
 
 		tot_in += in_len;
 		working_bytes = in_len;
+		may_late_unmap = need_unmap = false;
 
 		/* fast path: avoid using the working buffer */
 		if (in_page_bytes_left >= in_len) {
 			buf = data_in + in_offset;
 			bytes = in_len;
+			may_late_unmap = true;
 			goto cont;
 		}
 
@@ -329,14 +332,17 @@
 				if (working_bytes == 0 && tot_in >= tot_len)
 					break;
 
-				kunmap(pages_in[page_in_index]);
-				page_in_index++;
-				if (page_in_index >= total_pages_in) {
+				if (page_in_index + 1 >= total_pages_in) {
 					ret = -1;
-					data_in = NULL;
 					goto done;
 				}
-				data_in = kmap(pages_in[page_in_index]);
+
+				if (may_late_unmap)
+					need_unmap = true;
+				else
+					kunmap(pages_in[page_in_index]);
+
+				data_in = kmap(pages_in[++page_in_index]);
 
 				in_page_bytes_left = PAGE_CACHE_SIZE;
 				in_offset = 0;
@@ -346,6 +352,8 @@
 		out_len = lzo1x_worst_compress(PAGE_CACHE_SIZE);
 		ret = lzo1x_decompress_safe(buf, in_len, workspace->buf,
 					    &out_len);
+		if (need_unmap)
+			kunmap(pages_in[page_in_index - 1]);
 		if (ret != LZO_E_OK) {
 			printk(KERN_WARNING "btrfs decompress failed\n");
 			ret = -1;
@@ -363,8 +371,7 @@
 			break;
 	}
 done:
-	if (data_in)
-		kunmap(pages_in[page_in_index]);
+	kunmap(pages_in[page_in_index]);
 	return ret;
 }
 
diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c
index 2b61e1d..083a554 100644
--- a/fs/btrfs/ordered-data.c
+++ b/fs/btrfs/ordered-data.c
@@ -141,7 +141,7 @@
 					  u64 file_offset)
 {
 	struct rb_root *root = &tree->tree;
-	struct rb_node *prev;
+	struct rb_node *prev = NULL;
 	struct rb_node *ret;
 	struct btrfs_ordered_extent *entry;
 
diff --git a/fs/btrfs/print-tree.c b/fs/btrfs/print-tree.c
index 0d126be..fb2605d 100644
--- a/fs/btrfs/print-tree.c
+++ b/fs/btrfs/print-tree.c
@@ -260,6 +260,7 @@
 #else
 			BUG();
 #endif
+			break;
 		case BTRFS_BLOCK_GROUP_ITEM_KEY:
 			bi = btrfs_item_ptr(l, i,
 					    struct btrfs_block_group_item);
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index 045c9c2..31ade58 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -1157,6 +1157,7 @@
 	new_node->bytenr = dest->node->start;
 	new_node->level = node->level;
 	new_node->lowest = node->lowest;
+	new_node->checked = 1;
 	new_node->root = dest;
 
 	if (!node->lowest) {
@@ -2028,6 +2029,7 @@
 
 	while (1) {
 		trans = btrfs_start_transaction(root, 0);
+		BUG_ON(IS_ERR(trans));
 		trans->block_rsv = rc->block_rsv;
 
 		ret = btrfs_block_rsv_check(trans, root, rc->block_rsv,
@@ -2147,6 +2149,12 @@
 	}
 
 	trans = btrfs_join_transaction(rc->extent_root, 1);
+	if (IS_ERR(trans)) {
+		if (!err)
+			btrfs_block_rsv_release(rc->extent_root,
+						rc->block_rsv, num_bytes);
+		return PTR_ERR(trans);
+	}
 
 	if (!err) {
 		if (num_bytes != rc->merging_rsv_size) {
@@ -3222,6 +3230,7 @@
 	trans = btrfs_join_transaction(root, 0);
 	if (IS_ERR(trans)) {
 		btrfs_free_path(path);
+		ret = PTR_ERR(trans);
 		goto out;
 	}
 
@@ -3628,6 +3637,7 @@
 	set_reloc_control(rc);
 
 	trans = btrfs_join_transaction(rc->extent_root, 1);
+	BUG_ON(IS_ERR(trans));
 	btrfs_commit_transaction(trans, rc->extent_root);
 	return 0;
 }
@@ -3644,6 +3654,7 @@
 	u32 item_size;
 	int ret;
 	int err = 0;
+	int progress = 0;
 
 	path = btrfs_alloc_path();
 	if (!path)
@@ -3656,8 +3667,10 @@
 	}
 
 	while (1) {
+		progress++;
 		trans = btrfs_start_transaction(rc->extent_root, 0);
-
+		BUG_ON(IS_ERR(trans));
+restart:
 		if (update_backref_cache(trans, &rc->backref_cache)) {
 			btrfs_end_transaction(trans, rc->extent_root);
 			continue;
@@ -3770,6 +3783,15 @@
 			}
 		}
 	}
+	if (trans && progress && err == -ENOSPC) {
+		ret = btrfs_force_chunk_alloc(trans, rc->extent_root,
+					      rc->block_group->flags);
+		if (ret == 0) {
+			err = 0;
+			progress = 0;
+			goto restart;
+		}
+	}
 
 	btrfs_release_path(rc->extent_root, path);
 	clear_extent_bits(&rc->processed_blocks, 0, (u64)-1, EXTENT_DIRTY,
@@ -3804,7 +3826,10 @@
 
 	/* get rid of pinned extents */
 	trans = btrfs_join_transaction(rc->extent_root, 1);
-	btrfs_commit_transaction(trans, rc->extent_root);
+	if (IS_ERR(trans))
+		err = PTR_ERR(trans);
+	else
+		btrfs_commit_transaction(trans, rc->extent_root);
 out_free:
 	btrfs_free_block_rsv(rc->extent_root, rc->block_rsv);
 	btrfs_free_path(path);
@@ -4022,6 +4047,7 @@
 	int ret;
 
 	trans = btrfs_start_transaction(root->fs_info->tree_root, 0);
+	BUG_ON(IS_ERR(trans));
 
 	memset(&root->root_item.drop_progress, 0,
 		sizeof(root->root_item.drop_progress));
@@ -4125,6 +4151,11 @@
 	set_reloc_control(rc);
 
 	trans = btrfs_join_transaction(rc->extent_root, 1);
+	if (IS_ERR(trans)) {
+		unset_reloc_control(rc);
+		err = PTR_ERR(trans);
+		goto out_free;
+	}
 
 	rc->merge_reloc_tree = 1;
 
@@ -4154,9 +4185,13 @@
 	unset_reloc_control(rc);
 
 	trans = btrfs_join_transaction(rc->extent_root, 1);
-	btrfs_commit_transaction(trans, rc->extent_root);
-out:
+	if (IS_ERR(trans))
+		err = PTR_ERR(trans);
+	else
+		btrfs_commit_transaction(trans, rc->extent_root);
+out_free:
 	kfree(rc);
+out:
 	while (!list_empty(&reloc_roots)) {
 		reloc_root = list_entry(reloc_roots.next,
 					struct btrfs_root, root_list);
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index b2130c4..d39a989 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -155,7 +155,8 @@
 	Opt_nossd, Opt_ssd_spread, Opt_thread_pool, Opt_noacl, Opt_compress,
 	Opt_compress_type, Opt_compress_force, Opt_compress_force_type,
 	Opt_notreelog, Opt_ratio, Opt_flushoncommit, Opt_discard,
-	Opt_space_cache, Opt_clear_cache, Opt_user_subvol_rm_allowed, Opt_err,
+	Opt_space_cache, Opt_clear_cache, Opt_user_subvol_rm_allowed,
+	Opt_enospc_debug, Opt_err,
 };
 
 static match_table_t tokens = {
@@ -184,6 +185,7 @@
 	{Opt_space_cache, "space_cache"},
 	{Opt_clear_cache, "clear_cache"},
 	{Opt_user_subvol_rm_allowed, "user_subvol_rm_allowed"},
+	{Opt_enospc_debug, "enospc_debug"},
 	{Opt_err, NULL},
 };
 
@@ -358,6 +360,9 @@
 		case Opt_user_subvol_rm_allowed:
 			btrfs_set_opt(info->mount_opt, USER_SUBVOL_RM_ALLOWED);
 			break;
+		case Opt_enospc_debug:
+			btrfs_set_opt(info->mount_opt, ENOSPC_DEBUG);
+			break;
 		case Opt_err:
 			printk(KERN_INFO "btrfs: unrecognized mount option "
 			       "'%s'\n", p);
@@ -383,7 +388,7 @@
 		struct btrfs_fs_devices **fs_devices)
 {
 	substring_t args[MAX_OPT_ARGS];
-	char *opts, *p;
+	char *opts, *orig, *p;
 	int error = 0;
 	int intarg;
 
@@ -397,6 +402,7 @@
 	opts = kstrdup(options, GFP_KERNEL);
 	if (!opts)
 		return -ENOMEM;
+	orig = opts;
 
 	while ((p = strsep(&opts, ",")) != NULL) {
 		int token;
@@ -432,7 +438,7 @@
 	}
 
  out_free_opts:
-	kfree(opts);
+	kfree(orig);
  out:
 	/*
 	 * If no subvolume name is specified we use the default one.  Allocate
@@ -623,6 +629,8 @@
 	btrfs_wait_ordered_extents(root, 0, 0);
 
 	trans = btrfs_start_transaction(root, 0);
+	if (IS_ERR(trans))
+		return PTR_ERR(trans);
 	ret = btrfs_commit_transaction(trans, root);
 	return ret;
 }
@@ -761,6 +769,8 @@
 		}
 
 		btrfs_close_devices(fs_devices);
+		kfree(fs_info);
+		kfree(tree_root);
 	} else {
 		char b[BDEVNAME_SIZE];
 
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index bae5c7b..3d73c8d 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -1161,6 +1161,11 @@
 	INIT_DELAYED_WORK(&ac->work, do_async_commit);
 	ac->root = root;
 	ac->newtrans = btrfs_join_transaction(root, 0);
+	if (IS_ERR(ac->newtrans)) {
+		int err = PTR_ERR(ac->newtrans);
+		kfree(ac);
+		return err;
+	}
 
 	/* take transaction reference */
 	mutex_lock(&root->fs_info->trans_mutex);
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 054744a..a4bbb85 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -338,6 +338,12 @@
 		}
 		dst_copy = kmalloc(item_size, GFP_NOFS);
 		src_copy = kmalloc(item_size, GFP_NOFS);
+		if (!dst_copy || !src_copy) {
+			btrfs_release_path(root, path);
+			kfree(dst_copy);
+			kfree(src_copy);
+			return -ENOMEM;
+		}
 
 		read_extent_buffer(eb, src_copy, src_ptr, item_size);
 
@@ -665,6 +671,9 @@
 	btrfs_dir_item_key_to_cpu(leaf, di, &location);
 	name_len = btrfs_dir_name_len(leaf, di);
 	name = kmalloc(name_len, GFP_NOFS);
+	if (!name)
+		return -ENOMEM;
+
 	read_extent_buffer(leaf, name, (unsigned long)(di + 1), name_len);
 	btrfs_release_path(root, path);
 
@@ -744,6 +753,9 @@
 	int match = 0;
 
 	path = btrfs_alloc_path();
+	if (!path)
+		return -ENOMEM;
+
 	ret = btrfs_search_slot(NULL, log, key, path, 0, 0);
 	if (ret != 0)
 		goto out;
@@ -967,6 +979,8 @@
 	key.offset = (u64)-1;
 
 	path = btrfs_alloc_path();
+	if (!path)
+		return -ENOMEM;
 
 	while (1) {
 		ret = btrfs_search_slot(NULL, root, &key, path, 0, 0);
@@ -1178,6 +1192,9 @@
 
 	name_len = btrfs_dir_name_len(eb, di);
 	name = kmalloc(name_len, GFP_NOFS);
+	if (!name)
+		return -ENOMEM;
+
 	log_type = btrfs_dir_type(eb, di);
 	read_extent_buffer(eb, name, (unsigned long)(di + 1),
 		   name_len);
@@ -1692,6 +1709,8 @@
 		root_owner = btrfs_header_owner(parent);
 
 		next = btrfs_find_create_tree_block(root, bytenr, blocksize);
+		if (!next)
+			return -ENOMEM;
 
 		if (*level == 1) {
 			wc->process_func(root, next, wc, ptr_gen);
@@ -2032,6 +2051,7 @@
 		wait_log_commit(trans, log_root_tree,
 				log_root_tree->log_transid);
 		mutex_unlock(&log_root_tree->log_mutex);
+		ret = 0;
 		goto out;
 	}
 	atomic_set(&log_root_tree->log_commit[index2], 1);
@@ -2096,7 +2116,7 @@
 	smp_mb();
 	if (waitqueue_active(&root->log_commit_wait[index1]))
 		wake_up(&root->log_commit_wait[index1]);
-	return 0;
+	return ret;
 }
 
 static void free_log_tree(struct btrfs_trans_handle *trans,
@@ -2194,6 +2214,9 @@
 
 	log = root->log_root;
 	path = btrfs_alloc_path();
+	if (!path)
+		return -ENOMEM;
+
 	di = btrfs_lookup_dir_item(trans, log, path, dir->i_ino,
 				   name, name_len, -1);
 	if (IS_ERR(di)) {
@@ -2594,6 +2617,9 @@
 
 	ins_data = kmalloc(nr * sizeof(struct btrfs_key) +
 			   nr * sizeof(u32), GFP_NOFS);
+	if (!ins_data)
+		return -ENOMEM;
+
 	ins_sizes = (u32 *)ins_data;
 	ins_keys = (struct btrfs_key *)(ins_data + nr * sizeof(u32));
 
@@ -2725,7 +2751,13 @@
 	log = root->log_root;
 
 	path = btrfs_alloc_path();
+	if (!path)
+		return -ENOMEM;
 	dst_path = btrfs_alloc_path();
+	if (!dst_path) {
+		btrfs_free_path(path);
+		return -ENOMEM;
+	}
 
 	min_key.objectid = inode->i_ino;
 	min_key.type = BTRFS_INODE_ITEM_KEY;
@@ -3080,6 +3112,7 @@
 	BUG_ON(!path);
 
 	trans = btrfs_start_transaction(fs_info->tree_root, 0);
+	BUG_ON(IS_ERR(trans));
 
 	wc.trans = trans;
 	wc.pin = 1;
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index d158530..dd13eb8 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1213,6 +1213,10 @@
 		return -ENOMEM;
 
 	trans = btrfs_start_transaction(root, 0);
+	if (IS_ERR(trans)) {
+		btrfs_free_path(path);
+		return PTR_ERR(trans);
+	}
 	key.objectid = BTRFS_DEV_ITEMS_OBJECTID;
 	key.type = BTRFS_DEV_ITEM_KEY;
 	key.offset = device->devid;
@@ -1334,11 +1338,11 @@
 
 	ret = btrfs_shrink_device(device, 0);
 	if (ret)
-		goto error_brelse;
+		goto error_undo;
 
 	ret = btrfs_rm_dev_item(root->fs_info->chunk_root, device);
 	if (ret)
-		goto error_brelse;
+		goto error_undo;
 
 	device->in_fs_metadata = 0;
 
@@ -1412,6 +1416,13 @@
 	mutex_unlock(&root->fs_info->volume_mutex);
 	mutex_unlock(&uuid_mutex);
 	return ret;
+error_undo:
+	if (device->writeable) {
+		list_add(&device->dev_alloc_list,
+			 &root->fs_info->fs_devices->alloc_list);
+		root->fs_info->fs_devices->rw_devices++;
+	}
+	goto error_brelse;
 }
 
 /*
@@ -1601,11 +1612,19 @@
 
 	ret = find_next_devid(root, &device->devid);
 	if (ret) {
+		kfree(device->name);
 		kfree(device);
 		goto error;
 	}
 
 	trans = btrfs_start_transaction(root, 0);
+	if (IS_ERR(trans)) {
+		kfree(device->name);
+		kfree(device);
+		ret = PTR_ERR(trans);
+		goto error;
+	}
+
 	lock_chunks(root);
 
 	device->writeable = 1;
@@ -1621,7 +1640,7 @@
 	device->dev_root = root->fs_info->dev_root;
 	device->bdev = bdev;
 	device->in_fs_metadata = 1;
-	device->mode = 0;
+	device->mode = FMODE_EXCL;
 	set_blocksize(device->bdev, 4096);
 
 	if (seeding_dev) {
@@ -1873,7 +1892,7 @@
 		return ret;
 
 	trans = btrfs_start_transaction(root, 0);
-	BUG_ON(!trans);
+	BUG_ON(IS_ERR(trans));
 
 	lock_chunks(root);
 
@@ -2047,7 +2066,7 @@
 		BUG_ON(ret);
 
 		trans = btrfs_start_transaction(dev_root, 0);
-		BUG_ON(!trans);
+		BUG_ON(IS_ERR(trans));
 
 		ret = btrfs_grow_device(trans, device, old_size);
 		BUG_ON(ret);
@@ -2213,6 +2232,11 @@
 
 	/* Shrinking succeeded, else we would be at "done". */
 	trans = btrfs_start_transaction(root, 0);
+	if (IS_ERR(trans)) {
+		ret = PTR_ERR(trans);
+		goto done;
+	}
+
 	lock_chunks(root);
 
 	device->disk_total_bytes = new_size;
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index 0bc68de..f0aef78 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -60,6 +60,7 @@
 	}
 	di->dentry = dentry;
 	di->lease_session = NULL;
+	di->parent_inode = igrab(dentry->d_parent->d_inode);
 	dentry->d_fsdata = di;
 	dentry->d_time = jiffies;
 	ceph_dentry_lru_add(dentry);
@@ -1033,7 +1034,7 @@
 	u64 snapid = CEPH_NOSNAP;
 
 	if (!IS_ROOT(dentry)) {
-		parent_inode = dentry->d_parent->d_inode;
+		parent_inode = di->parent_inode;
 		if (parent_inode)
 			snapid = ceph_snap(parent_inode);
 	}
@@ -1058,6 +1059,8 @@
 		kmem_cache_free(ceph_dentry_cachep, di);
 		dentry->d_fsdata = NULL;
 	}
+	if (parent_inode)
+		iput(parent_inode);
 }
 
 static int ceph_snapdir_d_revalidate(struct dentry *dentry,
diff --git a/fs/ceph/snap.c b/fs/ceph/snap.c
index 39c243a..f40b913 100644
--- a/fs/ceph/snap.c
+++ b/fs/ceph/snap.c
@@ -584,10 +584,14 @@
 	if (lastinode)
 		iput(lastinode);
 
-	dout("queue_realm_cap_snaps %p %llx children\n", realm, realm->ino);
-	list_for_each_entry(child, &realm->children, child_item)
-		queue_realm_cap_snaps(child);
+	list_for_each_entry(child, &realm->children, child_item) {
+		dout("queue_realm_cap_snaps %p %llx queue child %p %llx\n",
+		     realm, realm->ino, child, child->ino);
+		list_del_init(&child->dirty_item);
+		list_add(&child->dirty_item, &realm->dirty_item);
+	}
 
+	list_del_init(&realm->dirty_item);
 	dout("queue_realm_cap_snaps %p %llx done\n", realm, realm->ino);
 }
 
@@ -683,7 +687,9 @@
 	 * queue cap snaps _after_ we've built the new snap contexts,
 	 * so that i_head_snapc can be set appropriately.
 	 */
-	list_for_each_entry(realm, &dirty_realms, dirty_item) {
+	while (!list_empty(&dirty_realms)) {
+		realm = list_first_entry(&dirty_realms, struct ceph_snap_realm,
+					 dirty_item);
 		queue_realm_cap_snaps(realm);
 	}
 
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index 20b907d..88fcaa2 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -207,6 +207,7 @@
 	struct dentry *dentry;
 	u64 time;
 	u64 offset;
+	struct inode *parent_inode;
 };
 
 struct ceph_inode_xattrs_info {
diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c
index 1e7636b..beeebf1 100644
--- a/fs/cifs/cifsacl.c
+++ b/fs/cifs/cifsacl.c
@@ -372,6 +372,10 @@
 
 		ppace = kmalloc(num_aces * sizeof(struct cifs_ace *),
 				GFP_KERNEL);
+		if (!ppace) {
+			cERROR(1, "DACL memory allocation error");
+			return;
+		}
 
 		for (i = 0; i < num_aces; ++i) {
 			ppace[i] = (struct cifs_ace *) (acl_base + acl_size);
diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h
index 4a33302..a9371b6 100644
--- a/fs/cifs/cifsfs.h
+++ b/fs/cifs/cifsfs.h
@@ -127,5 +127,5 @@
 extern const struct export_operations cifs_export_ops;
 #endif /* EXPERIMENTAL */
 
-#define CIFS_VERSION   "1.70"
+#define CIFS_VERSION   "1.71"
 #endif				/* _CIFSFS_H */
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index edd5b29..17afb0f 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -188,6 +188,8 @@
 	/* multiplexed reads or writes */
 	unsigned int maxBuf;	/* maxBuf specifies the maximum */
 	/* message size the server can send or receive for non-raw SMBs */
+	/* maxBuf is returned by SMB NegotiateProtocol so maxBuf is only 0 */
+	/* when socket is setup (and during reconnect) before NegProt sent */
 	unsigned int max_rw;	/* maxRw specifies the maximum */
 	/* message size the server can send or receive for */
 	/* SMB_COM_WRITE_RAW or SMB_COM_READ_RAW. */
@@ -652,7 +654,7 @@
 #define   MID_REQUEST_SUBMITTED 2
 #define   MID_RESPONSE_RECEIVED 4
 #define   MID_RETRY_NEEDED      8 /* session closed while this request out */
-#define   MID_NO_RESP_NEEDED 0x10
+#define   MID_RESPONSE_MALFORMED 0x10
 
 /* Types of response buffer returned from SendReceive2 */
 #define   CIFS_NO_BUFFER        0    /* Response buffer not returned */
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 46c66ed..904aa47 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -136,9 +136,6 @@
 		}
 	}
 
-	if (ses->status == CifsExiting)
-		return -EIO;
-
 	/*
 	 * Give demultiplex thread up to 10 seconds to reconnect, should be
 	 * greater than cifs socket timeout which is 7 seconds
@@ -156,7 +153,7 @@
 		 * retrying until process is killed or server comes
 		 * back on-line
 		 */
-		if (!tcon->retry || ses->status == CifsExiting) {
+		if (!tcon->retry) {
 			cFYI(1, "gave up waiting on reconnect in smb_init");
 			return -EHOSTDOWN;
 		}
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 47d8ff6..8d6c17a 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -337,8 +337,13 @@
 	struct TCP_Server_Info *server = container_of(work,
 					struct TCP_Server_Info, echo.work);
 
-	/* no need to ping if we got a response recently */
-	if (time_before(jiffies, server->lstrp + SMB_ECHO_INTERVAL - HZ))
+	/*
+	 * We cannot send an echo until the NEGOTIATE_PROTOCOL request is
+	 * done, which is indicated by maxBuf != 0. Also, no need to ping if
+	 * we got a response recently
+	 */
+	if (server->maxBuf == 0 ||
+	    time_before(jiffies, server->lstrp + SMB_ECHO_INTERVAL - HZ))
 		goto requeue_echo;
 
 	rc = CIFSSMBEcho(server);
@@ -578,14 +583,23 @@
 		else if (reconnect == 1)
 			continue;
 
-		length += 4; /* account for rfc1002 hdr */
+		total_read += 4; /* account for rfc1002 hdr */
 
+		dump_smb(smb_buffer, total_read);
 
-		dump_smb(smb_buffer, length);
-		if (checkSMB(smb_buffer, smb_buffer->Mid, total_read+4)) {
-			cifs_dump_mem("Bad SMB: ", smb_buffer, 48);
-			continue;
-		}
+		/*
+		 * We know that we received enough to get to the MID as we
+		 * checked the pdu_length earlier. Now check to see
+		 * if the rest of the header is OK. We borrow the length
+		 * var for the rest of the loop to avoid a new stack var.
+		 *
+		 * 48 bytes is enough to display the header and a little bit
+		 * into the payload for debugging purposes.
+		 */
+		length = checkSMB(smb_buffer, smb_buffer->Mid, total_read);
+		if (length != 0)
+			cifs_dump_mem("Bad SMB: ", smb_buffer,
+					min_t(unsigned int, total_read, 48));
 
 		mid_entry = NULL;
 		server->lstrp = jiffies;
@@ -597,7 +611,8 @@
 			if ((mid_entry->mid == smb_buffer->Mid) &&
 			    (mid_entry->midState == MID_REQUEST_SUBMITTED) &&
 			    (mid_entry->command == smb_buffer->Command)) {
-				if (check2ndT2(smb_buffer,server->maxBuf) > 0) {
+				if (length == 0 &&
+				   check2ndT2(smb_buffer, server->maxBuf) > 0) {
 					/* We have a multipart transact2 resp */
 					isMultiRsp = true;
 					if (mid_entry->resp_buf) {
@@ -632,12 +647,17 @@
 				mid_entry->resp_buf = smb_buffer;
 				mid_entry->largeBuf = isLargeBuf;
 multi_t2_fnd:
-				mid_entry->midState = MID_RESPONSE_RECEIVED;
-				list_del_init(&mid_entry->qhead);
-				mid_entry->callback(mid_entry);
+				if (length == 0)
+					mid_entry->midState =
+							MID_RESPONSE_RECEIVED;
+				else
+					mid_entry->midState =
+							MID_RESPONSE_MALFORMED;
 #ifdef CONFIG_CIFS_STATS2
 				mid_entry->when_received = jiffies;
 #endif
+				list_del_init(&mid_entry->qhead);
+				mid_entry->callback(mid_entry);
 				break;
 			}
 			mid_entry = NULL;
@@ -653,6 +673,9 @@
 				else
 					smallbuf = NULL;
 			}
+		} else if (length != 0) {
+			/* response sanity checks failed */
+			continue;
 		} else if (!is_valid_oplock_break(smb_buffer, server) &&
 			   !isMultiRsp) {
 			cERROR(1, "No task to wake, unknown frame received! "
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 74c0a28..e964b1c 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -1662,10 +1662,10 @@
 cifs_iovec_write(struct file *file, const struct iovec *iov,
 		 unsigned long nr_segs, loff_t *poffset)
 {
-	size_t total_written = 0;
-	unsigned int written = 0;
-	unsigned long num_pages, npages;
-	size_t copied, len, cur_len, i;
+	unsigned int written;
+	unsigned long num_pages, npages, i;
+	size_t copied, len, cur_len;
+	ssize_t total_written = 0;
 	struct kvec *to_send;
 	struct page **pages;
 	struct iov_iter it;
@@ -1821,7 +1821,8 @@
 {
 	int rc;
 	int xid;
-	unsigned int total_read, bytes_read = 0;
+	ssize_t total_read;
+	unsigned int bytes_read = 0;
 	size_t len, cur_len;
 	int iov_offset = 0;
 	struct cifs_sb_info *cifs_sb;
diff --git a/fs/cifs/netmisc.c b/fs/cifs/netmisc.c
index 8d9189f..79f641e 100644
--- a/fs/cifs/netmisc.c
+++ b/fs/cifs/netmisc.c
@@ -170,7 +170,7 @@
 {
 	int rc, alen, slen;
 	const char *pct;
-	char *endp, scope_id[13];
+	char scope_id[13];
 	struct sockaddr_in *s4 = (struct sockaddr_in *) dst;
 	struct sockaddr_in6 *s6 = (struct sockaddr_in6 *) dst;
 
@@ -197,9 +197,9 @@
 		memcpy(scope_id, pct + 1, slen);
 		scope_id[slen] = '\0';
 
-		s6->sin6_scope_id = (u32) simple_strtoul(pct, &endp, 0);
-		if (endp != scope_id + slen)
-			return 0;
+		rc = strict_strtoul(scope_id, 0,
+					(unsigned long *)&s6->sin6_scope_id);
+		rc = (rc == 0) ? 1 : 0;
 	}
 
 	return rc;
diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
index 1adc962..1676570 100644
--- a/fs/cifs/sess.c
+++ b/fs/cifs/sess.c
@@ -656,13 +656,13 @@
 
 	if (type == LANMAN) {
 #ifdef CONFIG_CIFS_WEAK_PW_HASH
-		char lnm_session_key[CIFS_SESS_KEY_SIZE];
+		char lnm_session_key[CIFS_AUTH_RESP_SIZE];
 
 		pSMB->req.hdr.Flags2 &= ~SMBFLG2_UNICODE;
 
 		/* no capabilities flags in old lanman negotiation */
 
-		pSMB->old_req.PasswordLength = cpu_to_le16(CIFS_SESS_KEY_SIZE);
+		pSMB->old_req.PasswordLength = cpu_to_le16(CIFS_AUTH_RESP_SIZE);
 
 		/* Calculate hash with password and copy into bcc_ptr.
 		 * Encryption Key (stored as in cryptkey) gets used if the
@@ -675,8 +675,8 @@
 					true : false, lnm_session_key);
 
 		ses->flags |= CIFS_SES_LANMAN;
-		memcpy(bcc_ptr, (char *)lnm_session_key, CIFS_SESS_KEY_SIZE);
-		bcc_ptr += CIFS_SESS_KEY_SIZE;
+		memcpy(bcc_ptr, (char *)lnm_session_key, CIFS_AUTH_RESP_SIZE);
+		bcc_ptr += CIFS_AUTH_RESP_SIZE;
 
 		/* can not sign if LANMAN negotiated so no need
 		to calculate signing key? but what if server
diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index b8c5e2e..46d8756f 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -359,6 +359,10 @@
 	if (rc)
 		return rc;
 
+	/* enable signing if server requires it */
+	if (server->secMode & (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED))
+		in_buf->Flags2 |= SMBFLG2_SECURITY_SIGNATURE;
+
 	mutex_lock(&server->srv_mutex);
 	mid = AllocMidQEntry(in_buf, server);
 	if (mid == NULL) {
@@ -453,6 +457,9 @@
 	case MID_RETRY_NEEDED:
 		rc = -EAGAIN;
 		break;
+	case MID_RESPONSE_MALFORMED:
+		rc = -EIO;
+		break;
 	default:
 		cERROR(1, "%s: invalid mid state mid=%d state=%d", __func__,
 			mid->mid, mid->midState);
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index 9c64ae9..2d8c87b 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -1468,15 +1468,13 @@
 
 static int work_start(void)
 {
-	recv_workqueue = alloc_workqueue("dlm_recv", WQ_MEM_RECLAIM |
-					 WQ_HIGHPRI | WQ_FREEZEABLE, 0);
+	recv_workqueue = create_singlethread_workqueue("dlm_recv");
 	if (!recv_workqueue) {
 		log_print("can't start dlm_recv");
 		return -ENOMEM;
 	}
 
-	send_workqueue = alloc_workqueue("dlm_send", WQ_MEM_RECLAIM |
-					 WQ_HIGHPRI | WQ_FREEZEABLE, 0);
+	send_workqueue = create_singlethread_workqueue("dlm_send");
 	if (!send_workqueue) {
 		log_print("can't start dlm_send");
 		destroy_workqueue(recv_workqueue);
diff --git a/fs/ecryptfs/dentry.c b/fs/ecryptfs/dentry.c
index 6fc4f31..534c1d4 100644
--- a/fs/ecryptfs/dentry.c
+++ b/fs/ecryptfs/dentry.c
@@ -46,24 +46,28 @@
 {
 	struct dentry *lower_dentry;
 	struct vfsmount *lower_mnt;
-	struct dentry *dentry_save;
-	struct vfsmount *vfsmount_save;
+	struct dentry *dentry_save = NULL;
+	struct vfsmount *vfsmount_save = NULL;
 	int rc = 1;
 
-	if (nd->flags & LOOKUP_RCU)
+	if (nd && nd->flags & LOOKUP_RCU)
 		return -ECHILD;
 
 	lower_dentry = ecryptfs_dentry_to_lower(dentry);
 	lower_mnt = ecryptfs_dentry_to_lower_mnt(dentry);
 	if (!lower_dentry->d_op || !lower_dentry->d_op->d_revalidate)
 		goto out;
-	dentry_save = nd->path.dentry;
-	vfsmount_save = nd->path.mnt;
-	nd->path.dentry = lower_dentry;
-	nd->path.mnt = lower_mnt;
+	if (nd) {
+		dentry_save = nd->path.dentry;
+		vfsmount_save = nd->path.mnt;
+		nd->path.dentry = lower_dentry;
+		nd->path.mnt = lower_mnt;
+	}
 	rc = lower_dentry->d_op->d_revalidate(lower_dentry, nd);
-	nd->path.dentry = dentry_save;
-	nd->path.mnt = vfsmount_save;
+	if (nd) {
+		nd->path.dentry = dentry_save;
+		nd->path.mnt = vfsmount_save;
+	}
 	if (dentry->d_inode) {
 		struct inode *lower_inode =
 			ecryptfs_inode_to_lower(dentry->d_inode);
diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h
index dbc84ed..e007534 100644
--- a/fs/ecryptfs/ecryptfs_kernel.h
+++ b/fs/ecryptfs/ecryptfs_kernel.h
@@ -632,8 +632,7 @@
 		       u32 flags);
 int ecryptfs_lookup_and_interpose_lower(struct dentry *ecryptfs_dentry,
 					struct dentry *lower_dentry,
-					struct inode *ecryptfs_dir_inode,
-					struct nameidata *ecryptfs_nd);
+					struct inode *ecryptfs_dir_inode);
 int ecryptfs_decode_and_decrypt_filename(char **decrypted_name,
 					 size_t *decrypted_name_size,
 					 struct dentry *ecryptfs_dentry,
diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c
index 81e10e6..7d1050e 100644
--- a/fs/ecryptfs/file.c
+++ b/fs/ecryptfs/file.c
@@ -317,6 +317,7 @@
 
 const struct file_operations ecryptfs_dir_fops = {
 	.readdir = ecryptfs_readdir,
+	.read = generic_read_dir,
 	.unlocked_ioctl = ecryptfs_unlocked_ioctl,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl = ecryptfs_compat_ioctl,
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index bd33f87..b592938 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -74,16 +74,20 @@
 	unsigned int flags_save;
 	int rc;
 
-	dentry_save = nd->path.dentry;
-	vfsmount_save = nd->path.mnt;
-	flags_save = nd->flags;
-	nd->path.dentry = lower_dentry;
-	nd->path.mnt = lower_mnt;
-	nd->flags &= ~LOOKUP_OPEN;
+	if (nd) {
+		dentry_save = nd->path.dentry;
+		vfsmount_save = nd->path.mnt;
+		flags_save = nd->flags;
+		nd->path.dentry = lower_dentry;
+		nd->path.mnt = lower_mnt;
+		nd->flags &= ~LOOKUP_OPEN;
+	}
 	rc = vfs_create(lower_dir_inode, lower_dentry, mode, nd);
-	nd->path.dentry = dentry_save;
-	nd->path.mnt = vfsmount_save;
-	nd->flags = flags_save;
+	if (nd) {
+		nd->path.dentry = dentry_save;
+		nd->path.mnt = vfsmount_save;
+		nd->flags = flags_save;
+	}
 	return rc;
 }
 
@@ -241,8 +245,7 @@
  */
 int ecryptfs_lookup_and_interpose_lower(struct dentry *ecryptfs_dentry,
 					struct dentry *lower_dentry,
-					struct inode *ecryptfs_dir_inode,
-					struct nameidata *ecryptfs_nd)
+					struct inode *ecryptfs_dir_inode)
 {
 	struct dentry *lower_dir_dentry;
 	struct vfsmount *lower_mnt;
@@ -290,8 +293,6 @@
 		goto out;
 	if (special_file(lower_inode->i_mode))
 		goto out;
-	if (!ecryptfs_nd)
-		goto out;
 	/* Released in this function */
 	page_virt = kmem_cache_zalloc(ecryptfs_header_cache_2, GFP_USER);
 	if (!page_virt) {
@@ -349,75 +350,6 @@
 }
 
 /**
- * ecryptfs_new_lower_dentry
- * @name: The name of the new dentry.
- * @lower_dir_dentry: Parent directory of the new dentry.
- * @nd: nameidata from last lookup.
- *
- * Create a new dentry or get it from lower parent dir.
- */
-static struct dentry *
-ecryptfs_new_lower_dentry(struct qstr *name, struct dentry *lower_dir_dentry,
-			  struct nameidata *nd)
-{
-	struct dentry *new_dentry;
-	struct dentry *tmp;
-	struct inode *lower_dir_inode;
-
-	lower_dir_inode = lower_dir_dentry->d_inode;
-
-	tmp = d_alloc(lower_dir_dentry, name);
-	if (!tmp)
-		return ERR_PTR(-ENOMEM);
-
-	mutex_lock(&lower_dir_inode->i_mutex);
-	new_dentry = lower_dir_inode->i_op->lookup(lower_dir_inode, tmp, nd);
-	mutex_unlock(&lower_dir_inode->i_mutex);
-
-	if (!new_dentry)
-		new_dentry = tmp;
-	else
-		dput(tmp);
-
-	return new_dentry;
-}
-
-
-/**
- * ecryptfs_lookup_one_lower
- * @ecryptfs_dentry: The eCryptfs dentry that we are looking up
- * @lower_dir_dentry: lower parent directory
- * @name: lower file name
- *
- * Get the lower dentry from vfs. If lower dentry does not exist yet,
- * create it.
- */
-static struct dentry *
-ecryptfs_lookup_one_lower(struct dentry *ecryptfs_dentry,
-			  struct dentry *lower_dir_dentry, struct qstr *name)
-{
-	struct nameidata nd;
-	struct vfsmount *lower_mnt;
-	int err;
-
-	lower_mnt = mntget(ecryptfs_dentry_to_lower_mnt(
-				    ecryptfs_dentry->d_parent));
-	err = vfs_path_lookup(lower_dir_dentry, lower_mnt, name->name , 0, &nd);
-	mntput(lower_mnt);
-
-	if (!err) {
-		/* we dont need the mount */
-		mntput(nd.path.mnt);
-		return nd.path.dentry;
-	}
-	if (err != -ENOENT)
-		return ERR_PTR(err);
-
-	/* create a new lower dentry */
-	return ecryptfs_new_lower_dentry(name, lower_dir_dentry, &nd);
-}
-
-/**
  * ecryptfs_lookup
  * @ecryptfs_dir_inode: The eCryptfs directory inode
  * @ecryptfs_dentry: The eCryptfs dentry that we are looking up
@@ -434,7 +366,6 @@
 	size_t encrypted_and_encoded_name_size;
 	struct ecryptfs_mount_crypt_stat *mount_crypt_stat = NULL;
 	struct dentry *lower_dir_dentry, *lower_dentry;
-	struct qstr lower_name;
 	int rc = 0;
 
 	if ((ecryptfs_dentry->d_name.len == 1
@@ -444,20 +375,14 @@
 		goto out_d_drop;
 	}
 	lower_dir_dentry = ecryptfs_dentry_to_lower(ecryptfs_dentry->d_parent);
-	lower_name.name = ecryptfs_dentry->d_name.name;
-	lower_name.len = ecryptfs_dentry->d_name.len;
-	lower_name.hash = ecryptfs_dentry->d_name.hash;
-	if (lower_dir_dentry->d_op && lower_dir_dentry->d_op->d_hash) {
-		rc = lower_dir_dentry->d_op->d_hash(lower_dir_dentry,
-				lower_dir_dentry->d_inode, &lower_name);
-		if (rc < 0)
-			goto out_d_drop;
-	}
-	lower_dentry = ecryptfs_lookup_one_lower(ecryptfs_dentry,
-						 lower_dir_dentry, &lower_name);
+	mutex_lock(&lower_dir_dentry->d_inode->i_mutex);
+	lower_dentry = lookup_one_len(ecryptfs_dentry->d_name.name,
+				      lower_dir_dentry,
+				      ecryptfs_dentry->d_name.len);
+	mutex_unlock(&lower_dir_dentry->d_inode->i_mutex);
 	if (IS_ERR(lower_dentry)) {
 		rc = PTR_ERR(lower_dentry);
-		ecryptfs_printk(KERN_DEBUG, "%s: lookup_one_lower() returned "
+		ecryptfs_printk(KERN_DEBUG, "%s: lookup_one_len() returned "
 				"[%d] on lower_dentry = [%s]\n", __func__, rc,
 				encrypted_and_encoded_name);
 		goto out_d_drop;
@@ -479,28 +404,21 @@
 		       "filename; rc = [%d]\n", __func__, rc);
 		goto out_d_drop;
 	}
-	lower_name.name = encrypted_and_encoded_name;
-	lower_name.len = encrypted_and_encoded_name_size;
-	lower_name.hash = full_name_hash(lower_name.name, lower_name.len);
-	if (lower_dir_dentry->d_op && lower_dir_dentry->d_op->d_hash) {
-		rc = lower_dir_dentry->d_op->d_hash(lower_dir_dentry,
-				lower_dir_dentry->d_inode, &lower_name);
-		if (rc < 0)
-			goto out_d_drop;
-	}
-	lower_dentry = ecryptfs_lookup_one_lower(ecryptfs_dentry,
-						 lower_dir_dentry, &lower_name);
+	mutex_lock(&lower_dir_dentry->d_inode->i_mutex);
+	lower_dentry = lookup_one_len(encrypted_and_encoded_name,
+				      lower_dir_dentry,
+				      encrypted_and_encoded_name_size);
+	mutex_unlock(&lower_dir_dentry->d_inode->i_mutex);
 	if (IS_ERR(lower_dentry)) {
 		rc = PTR_ERR(lower_dentry);
-		ecryptfs_printk(KERN_DEBUG, "%s: lookup_one_lower() returned "
+		ecryptfs_printk(KERN_DEBUG, "%s: lookup_one_len() returned "
 				"[%d] on lower_dentry = [%s]\n", __func__, rc,
 				encrypted_and_encoded_name);
 		goto out_d_drop;
 	}
 lookup_and_interpose:
 	rc = ecryptfs_lookup_and_interpose_lower(ecryptfs_dentry, lower_dentry,
-						 ecryptfs_dir_inode,
-						 ecryptfs_nd);
+						 ecryptfs_dir_inode);
 	goto out;
 out_d_drop:
 	d_drop(ecryptfs_dentry);
@@ -1092,6 +1010,8 @@
 	rc = vfs_getattr(ecryptfs_dentry_to_lower_mnt(dentry),
 			 ecryptfs_dentry_to_lower(dentry), &lower_stat);
 	if (!rc) {
+		fsstack_copy_attr_all(dentry->d_inode,
+				      ecryptfs_inode_to_lower(dentry->d_inode));
 		generic_fillattr(dentry->d_inode, stat);
 		stat->blocks = lower_stat.blocks;
 	}
diff --git a/fs/eventfd.c b/fs/eventfd.c
index e0194b3..d9a5917 100644
--- a/fs/eventfd.c
+++ b/fs/eventfd.c
@@ -99,7 +99,7 @@
  * @ctx: [in] Pointer to eventfd context.
  *
  * The eventfd context reference must have been previously acquired either
- * with eventfd_ctx_get() or eventfd_ctx_fdget()).
+ * with eventfd_ctx_get() or eventfd_ctx_fdget().
  */
 void eventfd_ctx_put(struct eventfd_ctx *ctx)
 {
@@ -146,9 +146,9 @@
  * eventfd_ctx_remove_wait_queue - Read the current counter and removes wait queue.
  * @ctx: [in] Pointer to eventfd context.
  * @wait: [in] Wait queue to be removed.
- * @cnt: [out] Pointer to the 64bit conter value.
+ * @cnt: [out] Pointer to the 64-bit counter value.
  *
- * Returns zero if successful, or the following error codes:
+ * Returns %0 if successful, or the following error codes:
  *
  * -EAGAIN      : The operation would have blocked.
  *
@@ -175,11 +175,11 @@
  * eventfd_ctx_read - Reads the eventfd counter or wait if it is zero.
  * @ctx: [in] Pointer to eventfd context.
  * @no_wait: [in] Different from zero if the operation should not block.
- * @cnt: [out] Pointer to the 64bit conter value.
+ * @cnt: [out] Pointer to the 64-bit counter value.
  *
- * Returns zero if successful, or the following error codes:
+ * Returns %0 if successful, or the following error codes:
  *
- * -EAGAIN      : The operation would have blocked but @no_wait was nonzero.
+ * -EAGAIN      : The operation would have blocked but @no_wait was non-zero.
  * -ERESTARTSYS : A signal interrupted the wait operation.
  *
  * If @no_wait is zero, the function might sleep until the eventfd internal
diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index 267d0ad..4a09af9 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -63,6 +63,13 @@
  * cleanup path and it is also acquired by eventpoll_release_file()
  * if a file has been pushed inside an epoll set and it is then
  * close()d without a previous call toepoll_ctl(EPOLL_CTL_DEL).
+ * It is also acquired when inserting an epoll fd onto another epoll
+ * fd. We do this so that we walk the epoll tree and ensure that this
+ * insertion does not create a cycle of epoll file descriptors, which
+ * could lead to deadlock. We need a global mutex to prevent two
+ * simultaneous inserts (A into B and B into A) from racing and
+ * constructing a cycle without either insert observing that it is
+ * going to.
  * It is possible to drop the "ep->mtx" and to use the global
  * mutex "epmutex" (together with "ep->lock") to have it working,
  * but having "ep->mtx" will make the interface more scalable.
@@ -224,6 +231,9 @@
  */
 static DEFINE_MUTEX(epmutex);
 
+/* Used to check for epoll file descriptor inclusion loops */
+static struct nested_calls poll_loop_ncalls;
+
 /* Used for safe wake up implementation */
 static struct nested_calls poll_safewake_ncalls;
 
@@ -1198,6 +1208,62 @@
 	return res;
 }
 
+/**
+ * ep_loop_check_proc - Callback function to be passed to the @ep_call_nested()
+ *                      API, to verify that adding an epoll file inside another
+ *                      epoll structure, does not violate the constraints, in
+ *                      terms of closed loops, or too deep chains (which can
+ *                      result in excessive stack usage).
+ *
+ * @priv: Pointer to the epoll file to be currently checked.
+ * @cookie: Original cookie for this call. This is the top-of-the-chain epoll
+ *          data structure pointer.
+ * @call_nests: Current dept of the @ep_call_nested() call stack.
+ *
+ * Returns: Returns zero if adding the epoll @file inside current epoll
+ *          structure @ep does not violate the constraints, or -1 otherwise.
+ */
+static int ep_loop_check_proc(void *priv, void *cookie, int call_nests)
+{
+	int error = 0;
+	struct file *file = priv;
+	struct eventpoll *ep = file->private_data;
+	struct rb_node *rbp;
+	struct epitem *epi;
+
+	mutex_lock(&ep->mtx);
+	for (rbp = rb_first(&ep->rbr); rbp; rbp = rb_next(rbp)) {
+		epi = rb_entry(rbp, struct epitem, rbn);
+		if (unlikely(is_file_epoll(epi->ffd.file))) {
+			error = ep_call_nested(&poll_loop_ncalls, EP_MAX_NESTS,
+					       ep_loop_check_proc, epi->ffd.file,
+					       epi->ffd.file->private_data, current);
+			if (error != 0)
+				break;
+		}
+	}
+	mutex_unlock(&ep->mtx);
+
+	return error;
+}
+
+/**
+ * ep_loop_check - Performs a check to verify that adding an epoll file (@file)
+ *                 another epoll file (represented by @ep) does not create
+ *                 closed loops or too deep chains.
+ *
+ * @ep: Pointer to the epoll private data structure.
+ * @file: Pointer to the epoll file to be checked.
+ *
+ * Returns: Returns zero if adding the epoll @file inside current epoll
+ *          structure @ep does not violate the constraints, or -1 otherwise.
+ */
+static int ep_loop_check(struct eventpoll *ep, struct file *file)
+{
+	return ep_call_nested(&poll_loop_ncalls, EP_MAX_NESTS,
+			      ep_loop_check_proc, file, ep, current);
+}
+
 /*
  * Open an eventpoll file descriptor.
  */
@@ -1246,6 +1312,7 @@
 		struct epoll_event __user *, event)
 {
 	int error;
+	int did_lock_epmutex = 0;
 	struct file *file, *tfile;
 	struct eventpoll *ep;
 	struct epitem *epi;
@@ -1287,6 +1354,25 @@
 	 */
 	ep = file->private_data;
 
+	/*
+	 * When we insert an epoll file descriptor, inside another epoll file
+	 * descriptor, there is the change of creating closed loops, which are
+	 * better be handled here, than in more critical paths.
+	 *
+	 * We hold epmutex across the loop check and the insert in this case, in
+	 * order to prevent two separate inserts from racing and each doing the
+	 * insert "at the same time" such that ep_loop_check passes on both
+	 * before either one does the insert, thereby creating a cycle.
+	 */
+	if (unlikely(is_file_epoll(tfile) && op == EPOLL_CTL_ADD)) {
+		mutex_lock(&epmutex);
+		did_lock_epmutex = 1;
+		error = -ELOOP;
+		if (ep_loop_check(ep, tfile) != 0)
+			goto error_tgt_fput;
+	}
+
+
 	mutex_lock(&ep->mtx);
 
 	/*
@@ -1322,6 +1408,9 @@
 	mutex_unlock(&ep->mtx);
 
 error_tgt_fput:
+	if (unlikely(did_lock_epmutex))
+		mutex_unlock(&epmutex);
+
 	fput(tfile);
 error_fput:
 	fput(file);
@@ -1441,6 +1530,12 @@
 		EP_ITEM_COST;
 	BUG_ON(max_user_watches < 0);
 
+	/*
+	 * Initialize the structure used to perform epoll file descriptor
+	 * inclusion loops checks.
+	 */
+	ep_nested_calls_init(&poll_loop_ncalls);
+
 	/* Initialize the structure used to perform safe poll wait head wake ups */
 	ep_nested_calls_init(&poll_safewake_ncalls);
 
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 0c8d97b..3aa0b72 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -848,6 +848,7 @@
 	atomic_t i_ioend_count;	/* Number of outstanding io_end structs */
 	/* current io_end structure for async DIO write*/
 	ext4_io_end_t *cur_aio_dio;
+	atomic_t i_aiodio_unwritten; /* Nr. of inflight conversions pending */
 
 	spinlock_t i_block_reservation_lock;
 
@@ -2119,6 +2120,15 @@
 
 #define in_range(b, first, len)	((b) >= (first) && (b) <= (first) + (len) - 1)
 
+/* For ioend & aio unwritten conversion wait queues */
+#define EXT4_WQ_HASH_SZ		37
+#define ext4_ioend_wq(v)   (&ext4__ioend_wq[((unsigned long)(v)) %\
+					    EXT4_WQ_HASH_SZ])
+#define ext4_aio_mutex(v)  (&ext4__aio_mutex[((unsigned long)(v)) %\
+					     EXT4_WQ_HASH_SZ])
+extern wait_queue_head_t ext4__ioend_wq[EXT4_WQ_HASH_SZ];
+extern struct mutex ext4__aio_mutex[EXT4_WQ_HASH_SZ];
+
 #endif	/* __KERNEL__ */
 
 #endif	/* _EXT4_H */
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 63a7581..ccce8a7 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -3174,9 +3174,10 @@
 		 * that this IO needs to convertion to written when IO is
 		 * completed
 		 */
-		if (io)
+		if (io && !(io->flag & EXT4_IO_END_UNWRITTEN)) {
 			io->flag = EXT4_IO_END_UNWRITTEN;
-		else
+			atomic_inc(&EXT4_I(inode)->i_aiodio_unwritten);
+		} else
 			ext4_set_inode_state(inode, EXT4_STATE_DIO_UNWRITTEN);
 		if (ext4_should_dioread_nolock(inode))
 			map->m_flags |= EXT4_MAP_UNINIT;
@@ -3463,9 +3464,10 @@
 		 * that we need to perform convertion when IO is done.
 		 */
 		if ((flags & EXT4_GET_BLOCKS_PRE_IO)) {
-			if (io)
+			if (io && !(io->flag & EXT4_IO_END_UNWRITTEN)) {
 				io->flag = EXT4_IO_END_UNWRITTEN;
-			else
+				atomic_inc(&EXT4_I(inode)->i_aiodio_unwritten);
+			} else
 				ext4_set_inode_state(inode,
 						     EXT4_STATE_DIO_UNWRITTEN);
 		}
diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index 2e8322c..7b80d54 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -55,11 +55,47 @@
 	return 0;
 }
 
+static void ext4_aiodio_wait(struct inode *inode)
+{
+	wait_queue_head_t *wq = ext4_ioend_wq(inode);
+
+	wait_event(*wq, (atomic_read(&EXT4_I(inode)->i_aiodio_unwritten) == 0));
+}
+
+/*
+ * This tests whether the IO in question is block-aligned or not.
+ * Ext4 utilizes unwritten extents when hole-filling during direct IO, and they
+ * are converted to written only after the IO is complete.  Until they are
+ * mapped, these blocks appear as holes, so dio_zero_block() will assume that
+ * it needs to zero out portions of the start and/or end block.  If 2 AIO
+ * threads are at work on the same unwritten block, they must be synchronized
+ * or one thread will zero the other's data, causing corruption.
+ */
+static int
+ext4_unaligned_aio(struct inode *inode, const struct iovec *iov,
+		   unsigned long nr_segs, loff_t pos)
+{
+	struct super_block *sb = inode->i_sb;
+	int blockmask = sb->s_blocksize - 1;
+	size_t count = iov_length(iov, nr_segs);
+	loff_t final_size = pos + count;
+
+	if (pos >= inode->i_size)
+		return 0;
+
+	if ((pos & blockmask) || (final_size & blockmask))
+		return 1;
+
+	return 0;
+}
+
 static ssize_t
 ext4_file_write(struct kiocb *iocb, const struct iovec *iov,
 		unsigned long nr_segs, loff_t pos)
 {
 	struct inode *inode = iocb->ki_filp->f_path.dentry->d_inode;
+	int unaligned_aio = 0;
+	int ret;
 
 	/*
 	 * If we have encountered a bitmap-format file, the size limit
@@ -78,9 +114,31 @@
 			nr_segs = iov_shorten((struct iovec *)iov, nr_segs,
 					      sbi->s_bitmap_maxbytes - pos);
 		}
+	} else if (unlikely((iocb->ki_filp->f_flags & O_DIRECT) &&
+		   !is_sync_kiocb(iocb))) {
+		unaligned_aio = ext4_unaligned_aio(inode, iov, nr_segs, pos);
 	}
 
-	return generic_file_aio_write(iocb, iov, nr_segs, pos);
+	/* Unaligned direct AIO must be serialized; see comment above */
+	if (unaligned_aio) {
+		static unsigned long unaligned_warn_time;
+
+		/* Warn about this once per day */
+		if (printk_timed_ratelimit(&unaligned_warn_time, 60*60*24*HZ))
+			ext4_msg(inode->i_sb, KERN_WARNING,
+				 "Unaligned AIO/DIO on inode %ld by %s; "
+				 "performance will be poor.",
+				 inode->i_ino, current->comm);
+		mutex_lock(ext4_aio_mutex(inode));
+		ext4_aiodio_wait(inode);
+	}
+
+	ret = generic_file_aio_write(iocb, iov, nr_segs, pos);
+
+	if (unaligned_aio)
+		mutex_unlock(ext4_aio_mutex(inode));
+
+	return ret;
 }
 
 static const struct vm_operations_struct ext4_file_vm_ops = {
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 851f49b..d1fe09a 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -342,10 +342,15 @@
 /* We create slab caches for groupinfo data structures based on the
  * superblock block size.  There will be one per mounted filesystem for
  * each unique s_blocksize_bits */
-#define NR_GRPINFO_CACHES	\
-	(EXT4_MAX_BLOCK_LOG_SIZE - EXT4_MIN_BLOCK_LOG_SIZE + 1)
+#define NR_GRPINFO_CACHES 8
 static struct kmem_cache *ext4_groupinfo_caches[NR_GRPINFO_CACHES];
 
+static const char *ext4_groupinfo_slab_names[NR_GRPINFO_CACHES] = {
+	"ext4_groupinfo_1k", "ext4_groupinfo_2k", "ext4_groupinfo_4k",
+	"ext4_groupinfo_8k", "ext4_groupinfo_16k", "ext4_groupinfo_32k",
+	"ext4_groupinfo_64k", "ext4_groupinfo_128k"
+};
+
 static void ext4_mb_generate_from_pa(struct super_block *sb, void *bitmap,
 					ext4_group_t group);
 static void ext4_mb_generate_from_freelist(struct super_block *sb, void *bitmap,
@@ -2414,6 +2419,55 @@
 	return -ENOMEM;
 }
 
+static void ext4_groupinfo_destroy_slabs(void)
+{
+	int i;
+
+	for (i = 0; i < NR_GRPINFO_CACHES; i++) {
+		if (ext4_groupinfo_caches[i])
+			kmem_cache_destroy(ext4_groupinfo_caches[i]);
+		ext4_groupinfo_caches[i] = NULL;
+	}
+}
+
+static int ext4_groupinfo_create_slab(size_t size)
+{
+	static DEFINE_MUTEX(ext4_grpinfo_slab_create_mutex);
+	int slab_size;
+	int blocksize_bits = order_base_2(size);
+	int cache_index = blocksize_bits - EXT4_MIN_BLOCK_LOG_SIZE;
+	struct kmem_cache *cachep;
+
+	if (cache_index >= NR_GRPINFO_CACHES)
+		return -EINVAL;
+
+	if (unlikely(cache_index < 0))
+		cache_index = 0;
+
+	mutex_lock(&ext4_grpinfo_slab_create_mutex);
+	if (ext4_groupinfo_caches[cache_index]) {
+		mutex_unlock(&ext4_grpinfo_slab_create_mutex);
+		return 0;	/* Already created */
+	}
+
+	slab_size = offsetof(struct ext4_group_info,
+				bb_counters[blocksize_bits + 2]);
+
+	cachep = kmem_cache_create(ext4_groupinfo_slab_names[cache_index],
+					slab_size, 0, SLAB_RECLAIM_ACCOUNT,
+					NULL);
+
+	mutex_unlock(&ext4_grpinfo_slab_create_mutex);
+	if (!cachep) {
+		printk(KERN_EMERG "EXT4: no memory for groupinfo slab cache\n");
+		return -ENOMEM;
+	}
+
+	ext4_groupinfo_caches[cache_index] = cachep;
+
+	return 0;
+}
+
 int ext4_mb_init(struct super_block *sb, int needs_recovery)
 {
 	struct ext4_sb_info *sbi = EXT4_SB(sb);
@@ -2421,9 +2475,6 @@
 	unsigned offset;
 	unsigned max;
 	int ret;
-	int cache_index;
-	struct kmem_cache *cachep;
-	char *namep = NULL;
 
 	i = (sb->s_blocksize_bits + 2) * sizeof(*sbi->s_mb_offsets);
 
@@ -2440,30 +2491,9 @@
 		goto out;
 	}
 
-	cache_index = sb->s_blocksize_bits - EXT4_MIN_BLOCK_LOG_SIZE;
-	cachep = ext4_groupinfo_caches[cache_index];
-	if (!cachep) {
-		char name[32];
-		int len = offsetof(struct ext4_group_info,
-					bb_counters[sb->s_blocksize_bits + 2]);
-
-		sprintf(name, "ext4_groupinfo_%d", sb->s_blocksize_bits);
-		namep = kstrdup(name, GFP_KERNEL);
-		if (!namep) {
-			ret = -ENOMEM;
-			goto out;
-		}
-
-		/* Need to free the kmem_cache_name() when we
-		 * destroy the slab */
-		cachep = kmem_cache_create(namep, len, 0,
-					     SLAB_RECLAIM_ACCOUNT, NULL);
-		if (!cachep) {
-			ret = -ENOMEM;
-			goto out;
-		}
-		ext4_groupinfo_caches[cache_index] = cachep;
-	}
+	ret = ext4_groupinfo_create_slab(sb->s_blocksize);
+	if (ret < 0)
+		goto out;
 
 	/* order 0 is regular bitmap */
 	sbi->s_mb_maxs[0] = sb->s_blocksize << 3;
@@ -2520,7 +2550,6 @@
 	if (ret) {
 		kfree(sbi->s_mb_offsets);
 		kfree(sbi->s_mb_maxs);
-		kfree(namep);
 	}
 	return ret;
 }
@@ -2734,7 +2763,6 @@
 
 void ext4_exit_mballoc(void)
 {
-	int i;
 	/*
 	 * Wait for completion of call_rcu()'s on ext4_pspace_cachep
 	 * before destroying the slab cache.
@@ -2743,15 +2771,7 @@
 	kmem_cache_destroy(ext4_pspace_cachep);
 	kmem_cache_destroy(ext4_ac_cachep);
 	kmem_cache_destroy(ext4_free_ext_cachep);
-
-	for (i = 0; i < NR_GRPINFO_CACHES; i++) {
-		struct kmem_cache *cachep = ext4_groupinfo_caches[i];
-		if (cachep) {
-			char *name = (char *)kmem_cache_name(cachep);
-			kmem_cache_destroy(cachep);
-			kfree(name);
-		}
-	}
+	ext4_groupinfo_destroy_slabs();
 	ext4_remove_debugfs_entry();
 }
 
diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c
index 7270dcf..955cc30 100644
--- a/fs/ext4/page-io.c
+++ b/fs/ext4/page-io.c
@@ -32,14 +32,8 @@
 
 static struct kmem_cache *io_page_cachep, *io_end_cachep;
 
-#define WQ_HASH_SZ		37
-#define to_ioend_wq(v)	(&ioend_wq[((unsigned long)v) % WQ_HASH_SZ])
-static wait_queue_head_t ioend_wq[WQ_HASH_SZ];
-
 int __init ext4_init_pageio(void)
 {
-	int i;
-
 	io_page_cachep = KMEM_CACHE(ext4_io_page, SLAB_RECLAIM_ACCOUNT);
 	if (io_page_cachep == NULL)
 		return -ENOMEM;
@@ -48,9 +42,6 @@
 		kmem_cache_destroy(io_page_cachep);
 		return -ENOMEM;
 	}
-	for (i = 0; i < WQ_HASH_SZ; i++)
-		init_waitqueue_head(&ioend_wq[i]);
-
 	return 0;
 }
 
@@ -62,7 +53,7 @@
 
 void ext4_ioend_wait(struct inode *inode)
 {
-	wait_queue_head_t *wq = to_ioend_wq(inode);
+	wait_queue_head_t *wq = ext4_ioend_wq(inode);
 
 	wait_event(*wq, (atomic_read(&EXT4_I(inode)->i_ioend_count) == 0));
 }
@@ -87,7 +78,7 @@
 	for (i = 0; i < io->num_io_pages; i++)
 		put_io_page(io->pages[i]);
 	io->num_io_pages = 0;
-	wq = to_ioend_wq(io->inode);
+	wq = ext4_ioend_wq(io->inode);
 	if (atomic_dec_and_test(&EXT4_I(io->inode)->i_ioend_count) &&
 	    waitqueue_active(wq))
 		wake_up_all(wq);
@@ -102,6 +93,7 @@
 	struct inode *inode = io->inode;
 	loff_t offset = io->offset;
 	ssize_t size = io->size;
+	wait_queue_head_t *wq;
 	int ret = 0;
 
 	ext4_debug("ext4_end_io_nolock: io 0x%p from inode %lu,list->next 0x%p,"
@@ -126,7 +118,16 @@
 	if (io->iocb)
 		aio_complete(io->iocb, io->result, 0);
 	/* clear the DIO AIO unwritten flag */
-	io->flag &= ~EXT4_IO_END_UNWRITTEN;
+	if (io->flag & EXT4_IO_END_UNWRITTEN) {
+		io->flag &= ~EXT4_IO_END_UNWRITTEN;
+		/* Wake up anyone waiting on unwritten extent conversion */
+		wq = ext4_ioend_wq(io->inode);
+		if (atomic_dec_and_test(&EXT4_I(inode)->i_aiodio_unwritten) &&
+		    waitqueue_active(wq)) {
+			wake_up_all(wq);
+		}
+	}
+
 	return ret;
 }
 
@@ -190,6 +191,7 @@
 	struct inode *inode;
 	unsigned long flags;
 	int i;
+	sector_t bi_sector = bio->bi_sector;
 
 	BUG_ON(!io_end);
 	bio->bi_private = NULL;
@@ -207,9 +209,7 @@
 		if (error)
 			SetPageError(page);
 		BUG_ON(!head);
-		if (head->b_size == PAGE_CACHE_SIZE)
-			clear_buffer_dirty(head);
-		else {
+		if (head->b_size != PAGE_CACHE_SIZE) {
 			loff_t offset;
 			loff_t io_end_offset = io_end->offset + io_end->size;
 
@@ -221,7 +221,6 @@
 					if (error)
 						buffer_io_error(bh);
 
-					clear_buffer_dirty(bh);
 				}
 				if (buffer_delay(bh))
 					partial_write = 1;
@@ -257,7 +256,7 @@
 			     (unsigned long long) io_end->offset,
 			     (long) io_end->size,
 			     (unsigned long long)
-			     bio->bi_sector >> (inode->i_blkbits - 9));
+			     bi_sector >> (inode->i_blkbits - 9));
 	}
 
 	/* Add the io_end to per-inode completed io list*/
@@ -380,6 +379,7 @@
 
 	blocksize = 1 << inode->i_blkbits;
 
+	BUG_ON(!PageLocked(page));
 	BUG_ON(PageWriteback(page));
 	set_page_writeback(page);
 	ClearPageError(page);
@@ -397,12 +397,14 @@
 	for (bh = head = page_buffers(page), block_start = 0;
 	     bh != head || !block_start;
 	     block_start = block_end, bh = bh->b_this_page) {
+
 		block_end = block_start + blocksize;
 		if (block_start >= len) {
 			clear_buffer_dirty(bh);
 			set_buffer_uptodate(bh);
 			continue;
 		}
+		clear_buffer_dirty(bh);
 		ret = io_submit_add_bh(io, io_page, inode, wbc, bh);
 		if (ret) {
 			/*
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 48ce561..f6a318f 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -77,6 +77,7 @@
 		       const char *dev_name, void *data);
 static void ext4_destroy_lazyinit_thread(void);
 static void ext4_unregister_li_request(struct super_block *sb);
+static void ext4_clear_request_list(void);
 
 #if !defined(CONFIG_EXT3_FS) && !defined(CONFIG_EXT3_FS_MODULE) && defined(CONFIG_EXT4_USE_FOR_EXT23)
 static struct file_system_type ext3_fs_type = {
@@ -832,6 +833,7 @@
 	ei->i_sync_tid = 0;
 	ei->i_datasync_tid = 0;
 	atomic_set(&ei->i_ioend_count, 0);
+	atomic_set(&ei->i_aiodio_unwritten, 0);
 
 	return &ei->vfs_inode;
 }
@@ -2716,6 +2718,8 @@
 	mutex_unlock(&ext4_li_info->li_list_mtx);
 }
 
+static struct task_struct *ext4_lazyinit_task;
+
 /*
  * This is the function where ext4lazyinit thread lives. It walks
  * through the request list searching for next scheduled filesystem.
@@ -2784,6 +2788,10 @@
 		if (time_before(jiffies, next_wakeup))
 			schedule();
 		finish_wait(&eli->li_wait_daemon, &wait);
+		if (kthread_should_stop()) {
+			ext4_clear_request_list();
+			goto exit_thread;
+		}
 	}
 
 exit_thread:
@@ -2808,6 +2816,7 @@
 	wake_up(&eli->li_wait_task);
 
 	kfree(ext4_li_info);
+	ext4_lazyinit_task = NULL;
 	ext4_li_info = NULL;
 	mutex_unlock(&ext4_li_mtx);
 
@@ -2830,11 +2839,10 @@
 
 static int ext4_run_lazyinit_thread(void)
 {
-	struct task_struct *t;
-
-	t = kthread_run(ext4_lazyinit_thread, ext4_li_info, "ext4lazyinit");
-	if (IS_ERR(t)) {
-		int err = PTR_ERR(t);
+	ext4_lazyinit_task = kthread_run(ext4_lazyinit_thread,
+					 ext4_li_info, "ext4lazyinit");
+	if (IS_ERR(ext4_lazyinit_task)) {
+		int err = PTR_ERR(ext4_lazyinit_task);
 		ext4_clear_request_list();
 		del_timer_sync(&ext4_li_info->li_timer);
 		kfree(ext4_li_info);
@@ -2985,16 +2993,10 @@
 	 * If thread exited earlier
 	 * there's nothing to be done.
 	 */
-	if (!ext4_li_info)
+	if (!ext4_li_info || !ext4_lazyinit_task)
 		return;
 
-	ext4_clear_request_list();
-
-	while (ext4_li_info->li_task) {
-		wake_up(&ext4_li_info->li_wait_daemon);
-		wait_event(ext4_li_info->li_wait_task,
-			   ext4_li_info->li_task == NULL);
-	}
+	kthread_stop(ext4_lazyinit_task);
 }
 
 static int ext4_fill_super(struct super_block *sb, void *data, int silent)
@@ -4768,7 +4770,7 @@
 	.fs_flags	= FS_REQUIRES_DEV,
 };
 
-int __init ext4_init_feat_adverts(void)
+static int __init ext4_init_feat_adverts(void)
 {
 	struct ext4_features *ef;
 	int ret = -ENOMEM;
@@ -4792,23 +4794,44 @@
 	return ret;
 }
 
+static void ext4_exit_feat_adverts(void)
+{
+	kobject_put(&ext4_feat->f_kobj);
+	wait_for_completion(&ext4_feat->f_kobj_unregister);
+	kfree(ext4_feat);
+}
+
+/* Shared across all ext4 file systems */
+wait_queue_head_t ext4__ioend_wq[EXT4_WQ_HASH_SZ];
+struct mutex ext4__aio_mutex[EXT4_WQ_HASH_SZ];
+
 static int __init ext4_init_fs(void)
 {
-	int err;
+	int i, err;
 
 	ext4_check_flag_values();
+
+	for (i = 0; i < EXT4_WQ_HASH_SZ; i++) {
+		mutex_init(&ext4__aio_mutex[i]);
+		init_waitqueue_head(&ext4__ioend_wq[i]);
+	}
+
 	err = ext4_init_pageio();
 	if (err)
 		return err;
 	err = ext4_init_system_zone();
 	if (err)
-		goto out5;
+		goto out7;
 	ext4_kset = kset_create_and_add("ext4", NULL, fs_kobj);
 	if (!ext4_kset)
-		goto out4;
+		goto out6;
 	ext4_proc_root = proc_mkdir("fs/ext4", NULL);
+	if (!ext4_proc_root)
+		goto out5;
 
 	err = ext4_init_feat_adverts();
+	if (err)
+		goto out4;
 
 	err = ext4_init_mballoc();
 	if (err)
@@ -4838,12 +4861,14 @@
 out2:
 	ext4_exit_mballoc();
 out3:
-	kfree(ext4_feat);
-	remove_proc_entry("fs/ext4", NULL);
-	kset_unregister(ext4_kset);
+	ext4_exit_feat_adverts();
 out4:
-	ext4_exit_system_zone();
+	remove_proc_entry("fs/ext4", NULL);
 out5:
+	kset_unregister(ext4_kset);
+out6:
+	ext4_exit_system_zone();
+out7:
 	ext4_exit_pageio();
 	return err;
 }
@@ -4857,6 +4882,7 @@
 	destroy_inodecache();
 	ext4_exit_xattr();
 	ext4_exit_mballoc();
+	ext4_exit_feat_adverts();
 	remove_proc_entry("fs/ext4", NULL);
 	kset_unregister(ext4_kset);
 	ext4_exit_system_zone();
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index bfed844..83543b5 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -1283,8 +1283,11 @@
 	if (err)
 		return err;
 
-	if ((attr->ia_valid & ATTR_OPEN) && fc->atomic_o_trunc)
-		return 0;
+	if (attr->ia_valid & ATTR_OPEN) {
+		if (fc->atomic_o_trunc)
+			return 0;
+		file = NULL;
+	}
 
 	if (attr->ia_valid & ATTR_SIZE)
 		is_truncate = true;
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 95da1bc..9e0832d 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -86,18 +86,52 @@
 	return ff;
 }
 
-static void fuse_release_end(struct fuse_conn *fc, struct fuse_req *req)
+static void fuse_release_async(struct work_struct *work)
 {
-	path_put(&req->misc.release.path);
+	struct fuse_req *req;
+	struct fuse_conn *fc;
+	struct path path;
+
+	req = container_of(work, struct fuse_req, misc.release.work);
+	path = req->misc.release.path;
+	fc = get_fuse_conn(path.dentry->d_inode);
+
+	fuse_put_request(fc, req);
+	path_put(&path);
 }
 
-static void fuse_file_put(struct fuse_file *ff)
+static void fuse_release_end(struct fuse_conn *fc, struct fuse_req *req)
+{
+	if (fc->destroy_req) {
+		/*
+		 * If this is a fuseblk mount, then it's possible that
+		 * releasing the path will result in releasing the
+		 * super block and sending the DESTROY request.  If
+		 * the server is single threaded, this would hang.
+		 * For this reason do the path_put() in a separate
+		 * thread.
+		 */
+		atomic_inc(&req->count);
+		INIT_WORK(&req->misc.release.work, fuse_release_async);
+		schedule_work(&req->misc.release.work);
+	} else {
+		path_put(&req->misc.release.path);
+	}
+}
+
+static void fuse_file_put(struct fuse_file *ff, bool sync)
 {
 	if (atomic_dec_and_test(&ff->count)) {
 		struct fuse_req *req = ff->reserved_req;
 
-		req->end = fuse_release_end;
-		fuse_request_send_background(ff->fc, req);
+		if (sync) {
+			fuse_request_send(ff->fc, req);
+			path_put(&req->misc.release.path);
+			fuse_put_request(ff->fc, req);
+		} else {
+			req->end = fuse_release_end;
+			fuse_request_send_background(ff->fc, req);
+		}
 		kfree(ff);
 	}
 }
@@ -219,8 +253,12 @@
 	 * Normally this will send the RELEASE request, however if
 	 * some asynchronous READ or WRITE requests are outstanding,
 	 * the sending will be delayed.
+	 *
+	 * Make the release synchronous if this is a fuseblk mount,
+	 * synchronous RELEASE is allowed (and desirable) in this case
+	 * because the server can be trusted not to screw up.
 	 */
-	fuse_file_put(ff);
+	fuse_file_put(ff, ff->fc->destroy_req != NULL);
 }
 
 static int fuse_open(struct inode *inode, struct file *file)
@@ -558,7 +596,7 @@
 		page_cache_release(page);
 	}
 	if (req->ff)
-		fuse_file_put(req->ff);
+		fuse_file_put(req->ff, false);
 }
 
 static void fuse_send_readpages(struct fuse_req *req, struct file *file)
@@ -1137,7 +1175,7 @@
 static void fuse_writepage_free(struct fuse_conn *fc, struct fuse_req *req)
 {
 	__free_page(req->pages[0]);
-	fuse_file_put(req->ff);
+	fuse_file_put(req->ff, false);
 }
 
 static void fuse_writepage_finish(struct fuse_conn *fc, struct fuse_req *req)
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index ae5744a..d428694 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -21,6 +21,7 @@
 #include <linux/rwsem.h>
 #include <linux/rbtree.h>
 #include <linux/poll.h>
+#include <linux/workqueue.h>
 
 /** Max number of pages that can be used in a single read request */
 #define FUSE_MAX_PAGES_PER_REQ 32
@@ -262,7 +263,10 @@
 	/** Data for asynchronous requests */
 	union {
 		struct {
-			struct fuse_release_in in;
+			union {
+				struct fuse_release_in in;
+				struct work_struct work;
+			};
 			struct path path;
 		} release;
 		struct fuse_init_in init_in;
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index 08a8beb..7cd9a5a 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -1779,11 +1779,11 @@
 #endif
 
 	glock_workqueue = alloc_workqueue("glock_workqueue", WQ_MEM_RECLAIM |
-					  WQ_HIGHPRI | WQ_FREEZEABLE, 0);
+					  WQ_HIGHPRI | WQ_FREEZABLE, 0);
 	if (IS_ERR(glock_workqueue))
 		return PTR_ERR(glock_workqueue);
 	gfs2_delete_workqueue = alloc_workqueue("delete_workqueue",
-						WQ_MEM_RECLAIM | WQ_FREEZEABLE,
+						WQ_MEM_RECLAIM | WQ_FREEZABLE,
 						0);
 	if (IS_ERR(gfs2_delete_workqueue)) {
 		destroy_workqueue(glock_workqueue);
diff --git a/fs/gfs2/main.c b/fs/gfs2/main.c
index ebef7ab..72c31a3 100644
--- a/fs/gfs2/main.c
+++ b/fs/gfs2/main.c
@@ -59,14 +59,7 @@
 	struct address_space *mapping = (struct address_space *)(gl + 1);
 
 	gfs2_init_glock_once(gl);
-	memset(mapping, 0, sizeof(*mapping));
-	INIT_RADIX_TREE(&mapping->page_tree, GFP_ATOMIC);
-	spin_lock_init(&mapping->tree_lock);
-	spin_lock_init(&mapping->i_mmap_lock);
-	INIT_LIST_HEAD(&mapping->private_list);
-	spin_lock_init(&mapping->private_lock);
-	INIT_RAW_PRIO_TREE_ROOT(&mapping->i_mmap);
-	INIT_LIST_HEAD(&mapping->i_mmap_nonlinear);
+	address_space_init_once(mapping);
 }
 
 /**
@@ -144,7 +137,7 @@
 
 	error = -ENOMEM;
 	gfs_recovery_wq = alloc_workqueue("gfs_recovery",
-					  WQ_MEM_RECLAIM | WQ_FREEZEABLE, 0);
+					  WQ_MEM_RECLAIM | WQ_FREEZABLE, 0);
 	if (!gfs_recovery_wq)
 		goto fail_wq;
 
diff --git a/fs/inode.c b/fs/inode.c
index da85e56..0647d80 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -295,6 +295,20 @@
 		call_rcu(&inode->i_rcu, i_callback);
 }
 
+void address_space_init_once(struct address_space *mapping)
+{
+	memset(mapping, 0, sizeof(*mapping));
+	INIT_RADIX_TREE(&mapping->page_tree, GFP_ATOMIC);
+	spin_lock_init(&mapping->tree_lock);
+	spin_lock_init(&mapping->i_mmap_lock);
+	INIT_LIST_HEAD(&mapping->private_list);
+	spin_lock_init(&mapping->private_lock);
+	INIT_RAW_PRIO_TREE_ROOT(&mapping->i_mmap);
+	INIT_LIST_HEAD(&mapping->i_mmap_nonlinear);
+	mutex_init(&mapping->unmap_mutex);
+}
+EXPORT_SYMBOL(address_space_init_once);
+
 /*
  * These are initializations that only need to be done
  * once, because the fields are idempotent across use
@@ -308,13 +322,7 @@
 	INIT_LIST_HEAD(&inode->i_devices);
 	INIT_LIST_HEAD(&inode->i_wb_list);
 	INIT_LIST_HEAD(&inode->i_lru);
-	INIT_RADIX_TREE(&inode->i_data.page_tree, GFP_ATOMIC);
-	spin_lock_init(&inode->i_data.tree_lock);
-	spin_lock_init(&inode->i_data.i_mmap_lock);
-	INIT_LIST_HEAD(&inode->i_data.private_list);
-	spin_lock_init(&inode->i_data.private_lock);
-	INIT_RAW_PRIO_TREE_ROOT(&inode->i_data.i_mmap);
-	INIT_LIST_HEAD(&inode->i_data.i_mmap_nonlinear);
+	address_space_init_once(&inode->i_data);
 	i_size_ordered_init(inode);
 #ifdef CONFIG_FSNOTIFY
 	INIT_HLIST_HEAD(&inode->i_fsnotify_marks);
@@ -540,11 +548,14 @@
 /**
  * invalidate_inodes	- attempt to free all inodes on a superblock
  * @sb:		superblock to operate on
+ * @kill_dirty: flag to guide handling of dirty inodes
  *
  * Attempts to free all inodes for a given superblock.  If there were any
  * busy inodes return a non-zero value, else zero.
+ * If @kill_dirty is set, discard dirty inodes too, otherwise treat
+ * them as busy.
  */
-int invalidate_inodes(struct super_block *sb)
+int invalidate_inodes(struct super_block *sb, bool kill_dirty)
 {
 	int busy = 0;
 	struct inode *inode, *next;
@@ -556,6 +567,10 @@
 	list_for_each_entry_safe(inode, next, &sb->s_inodes, i_sb_list) {
 		if (inode->i_state & (I_NEW | I_FREEING | I_WILL_FREE))
 			continue;
+		if (inode->i_state & I_DIRTY && !kill_dirty) {
+			busy = 1;
+			continue;
+		}
 		if (atomic_read(&inode->i_count)) {
 			busy = 1;
 			continue;
diff --git a/fs/internal.h b/fs/internal.h
index 0663568..9b976b5 100644
--- a/fs/internal.h
+++ b/fs/internal.h
@@ -112,4 +112,4 @@
  */
 extern int get_nr_dirty_inodes(void);
 extern void evict_inodes(struct super_block *);
-extern int invalidate_inodes(struct super_block *);
+extern int invalidate_inodes(struct super_block *, bool);
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index 9e46869..97e7346 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -473,7 +473,8 @@
 }
 
 /*
- * Called under j_state_lock.  Returns true if a transaction commit was started.
+ * Called with j_state_lock locked for writing.
+ * Returns true if a transaction commit was started.
  */
 int __jbd2_log_start_commit(journal_t *journal, tid_t target)
 {
@@ -520,11 +521,13 @@
 {
 	transaction_t *transaction = NULL;
 	tid_t tid;
+	int need_to_start = 0;
 
 	read_lock(&journal->j_state_lock);
 	if (journal->j_running_transaction && !current->journal_info) {
 		transaction = journal->j_running_transaction;
-		__jbd2_log_start_commit(journal, transaction->t_tid);
+		if (!tid_geq(journal->j_commit_request, transaction->t_tid))
+			need_to_start = 1;
 	} else if (journal->j_committing_transaction)
 		transaction = journal->j_committing_transaction;
 
@@ -535,6 +538,8 @@
 
 	tid = transaction->t_tid;
 	read_unlock(&journal->j_state_lock);
+	if (need_to_start)
+		jbd2_log_start_commit(journal, tid);
 	jbd2_log_wait_commit(journal, tid);
 	return 1;
 }
diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
index faad2bd..1d11910 100644
--- a/fs/jbd2/transaction.c
+++ b/fs/jbd2/transaction.c
@@ -117,10 +117,10 @@
 static int start_this_handle(journal_t *journal, handle_t *handle,
 			     int gfp_mask)
 {
-	transaction_t *transaction;
-	int needed;
-	int nblocks = handle->h_buffer_credits;
-	transaction_t *new_transaction = NULL;
+	transaction_t	*transaction, *new_transaction = NULL;
+	tid_t		tid;
+	int		needed, need_to_start;
+	int		nblocks = handle->h_buffer_credits;
 
 	if (nblocks > journal->j_max_transaction_buffers) {
 		printk(KERN_ERR "JBD: %s wants too many credits (%d > %d)\n",
@@ -222,8 +222,11 @@
 		atomic_sub(nblocks, &transaction->t_outstanding_credits);
 		prepare_to_wait(&journal->j_wait_transaction_locked, &wait,
 				TASK_UNINTERRUPTIBLE);
-		__jbd2_log_start_commit(journal, transaction->t_tid);
+		tid = transaction->t_tid;
+		need_to_start = !tid_geq(journal->j_commit_request, tid);
 		read_unlock(&journal->j_state_lock);
+		if (need_to_start)
+			jbd2_log_start_commit(journal, tid);
 		schedule();
 		finish_wait(&journal->j_wait_transaction_locked, &wait);
 		goto repeat;
@@ -442,7 +445,8 @@
 {
 	transaction_t *transaction = handle->h_transaction;
 	journal_t *journal = transaction->t_journal;
-	int ret;
+	tid_t		tid;
+	int		need_to_start, ret;
 
 	/* If we've had an abort of any type, don't even think about
 	 * actually doing the restart! */
@@ -465,8 +469,11 @@
 	spin_unlock(&transaction->t_handle_lock);
 
 	jbd_debug(2, "restarting handle %p\n", handle);
-	__jbd2_log_start_commit(journal, transaction->t_tid);
+	tid = transaction->t_tid;
+	need_to_start = !tid_geq(journal->j_commit_request, tid);
 	read_unlock(&journal->j_state_lock);
+	if (need_to_start)
+		jbd2_log_start_commit(journal, tid);
 
 	lock_map_release(&handle->h_lockdep_map);
 	handle->h_buffer_credits = nblocks;
diff --git a/fs/namei.c b/fs/namei.c
index 7d77f24..0087cf9 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -455,14 +455,6 @@
 	struct fs_struct *fs = current->fs;
 	struct dentry *parent = nd->path.dentry;
 
-	/*
-	 * It can be possible to revalidate the dentry that we started
-	 * the path walk with. force_reval_path may also revalidate the
-	 * dentry already committed to the nameidata.
-	 */
-	if (unlikely(parent == dentry))
-		return nameidata_drop_rcu(nd);
-
 	BUG_ON(!(nd->flags & LOOKUP_RCU));
 	if (nd->root.mnt) {
 		spin_lock(&fs->lock);
@@ -561,39 +553,25 @@
  */
 void release_open_intent(struct nameidata *nd)
 {
-	if (nd->intent.open.file->f_path.dentry == NULL)
-		put_filp(nd->intent.open.file);
-	else
-		fput(nd->intent.open.file);
-}
+	struct file *file = nd->intent.open.file;
 
-/*
- * Call d_revalidate and handle filesystems that request rcu-walk
- * to be dropped. This may be called and return in rcu-walk mode,
- * regardless of success or error. If -ECHILD is returned, the caller
- * must return -ECHILD back up the path walk stack so path walk may
- * be restarted in ref-walk mode.
- */
-static int d_revalidate(struct dentry *dentry, struct nameidata *nd)
-{
-	int status;
-
-	status = dentry->d_op->d_revalidate(dentry, nd);
-	if (status == -ECHILD) {
-		if (nameidata_dentry_drop_rcu(nd, dentry))
-			return status;
-		status = dentry->d_op->d_revalidate(dentry, nd);
+	if (file && !IS_ERR(file)) {
+		if (file->f_path.dentry == NULL)
+			put_filp(file);
+		else
+			fput(file);
 	}
-
-	return status;
 }
 
-static inline struct dentry *
+static inline int d_revalidate(struct dentry *dentry, struct nameidata *nd)
+{
+	return dentry->d_op->d_revalidate(dentry, nd);
+}
+
+static struct dentry *
 do_revalidate(struct dentry *dentry, struct nameidata *nd)
 {
-	int status;
-
-	status = d_revalidate(dentry, nd);
+	int status = d_revalidate(dentry, nd);
 	if (unlikely(status <= 0)) {
 		/*
 		 * The dentry failed validation.
@@ -602,24 +580,39 @@
 		 * to return a fail status.
 		 */
 		if (status < 0) {
-			/* If we're in rcu-walk, we don't have a ref */
-			if (!(nd->flags & LOOKUP_RCU))
-				dput(dentry);
+			dput(dentry);
 			dentry = ERR_PTR(status);
-
-		} else {
-			/* Don't d_invalidate in rcu-walk mode */
-			if (nameidata_dentry_drop_rcu_maybe(nd, dentry))
-				return ERR_PTR(-ECHILD);
-			if (!d_invalidate(dentry)) {
-				dput(dentry);
-				dentry = NULL;
-			}
+		} else if (!d_invalidate(dentry)) {
+			dput(dentry);
+			dentry = NULL;
 		}
 	}
 	return dentry;
 }
 
+static inline struct dentry *
+do_revalidate_rcu(struct dentry *dentry, struct nameidata *nd)
+{
+	int status = d_revalidate(dentry, nd);
+	if (likely(status > 0))
+		return dentry;
+	if (status == -ECHILD) {
+		if (nameidata_dentry_drop_rcu(nd, dentry))
+			return ERR_PTR(-ECHILD);
+		return do_revalidate(dentry, nd);
+	}
+	if (status < 0)
+		return ERR_PTR(status);
+	/* Don't d_invalidate in rcu-walk mode */
+	if (nameidata_dentry_drop_rcu(nd, dentry))
+		return ERR_PTR(-ECHILD);
+	if (!d_invalidate(dentry)) {
+		dput(dentry);
+		dentry = NULL;
+	}
+	return dentry;
+}
+
 static inline int need_reval_dot(struct dentry *dentry)
 {
 	if (likely(!(dentry->d_flags & DCACHE_OP_REVALIDATE)))
@@ -664,9 +657,6 @@
 		return 0;
 
 	if (!status) {
-		/* Don't d_invalidate in rcu-walk mode */
-		if (nameidata_drop_rcu(nd))
-			return -ECHILD;
 		d_invalidate(dentry);
 		status = -ESTALE;
 	}
@@ -773,6 +763,8 @@
 	int error;
 	struct dentry *dentry = link->dentry;
 
+	BUG_ON(nd->flags & LOOKUP_RCU);
+
 	touch_atime(link->mnt, dentry);
 	nd_set_link(nd, NULL);
 
@@ -803,10 +795,16 @@
  * Without that kind of total limit, nasty chains of consecutive
  * symlinks can cause almost arbitrarily long lookups. 
  */
-static inline int do_follow_link(struct path *path, struct nameidata *nd)
+static inline int do_follow_link(struct inode *inode, struct path *path, struct nameidata *nd)
 {
 	void *cookie;
 	int err = -ELOOP;
+
+	/* We drop rcu-walk here */
+	if (nameidata_dentry_drop_rcu_maybe(nd, path->dentry))
+		return -ECHILD;
+	BUG_ON(inode != path->dentry->d_inode);
+
 	if (current->link_count >= MAX_NESTED_LINKS)
 		goto loop;
 	if (current->total_link_count >= 40)
@@ -1251,9 +1249,15 @@
 			return -ECHILD;
 
 		nd->seq = seq;
-		if (dentry->d_flags & DCACHE_OP_REVALIDATE)
-			goto need_revalidate;
-done2:
+		if (unlikely(dentry->d_flags & DCACHE_OP_REVALIDATE)) {
+			dentry = do_revalidate_rcu(dentry, nd);
+			if (!dentry)
+				goto need_lookup;
+			if (IS_ERR(dentry))
+				goto fail;
+			if (!(nd->flags & LOOKUP_RCU))
+				goto done;
+		}
 		path->mnt = mnt;
 		path->dentry = dentry;
 		if (likely(__follow_mount_rcu(nd, path, inode, false)))
@@ -1266,8 +1270,13 @@
 	if (!dentry)
 		goto need_lookup;
 found:
-	if (dentry->d_flags & DCACHE_OP_REVALIDATE)
-		goto need_revalidate;
+	if (unlikely(dentry->d_flags & DCACHE_OP_REVALIDATE)) {
+		dentry = do_revalidate(dentry, nd);
+		if (!dentry)
+			goto need_lookup;
+		if (IS_ERR(dentry))
+			goto fail;
+	}
 done:
 	path->mnt = mnt;
 	path->dentry = dentry;
@@ -1309,16 +1318,6 @@
 	mutex_unlock(&dir->i_mutex);
 	goto found;
 
-need_revalidate:
-	dentry = do_revalidate(dentry, nd);
-	if (!dentry)
-		goto need_lookup;
-	if (IS_ERR(dentry))
-		goto fail;
-	if (nd->flags & LOOKUP_RCU)
-		goto done2;
-	goto done;
-
 fail:
 	return PTR_ERR(dentry);
 }
@@ -1415,11 +1414,7 @@
 			goto out_dput;
 
 		if (inode->i_op->follow_link) {
-			/* We commonly drop rcu-walk here */
-			if (nameidata_dentry_drop_rcu_maybe(nd, next.dentry))
-				return -ECHILD;
-			BUG_ON(inode != next.dentry->d_inode);
-			err = do_follow_link(&next, nd);
+			err = do_follow_link(inode, &next, nd);
 			if (err)
 				goto return_err;
 			nd->inode = nd->path.dentry->d_inode;
@@ -1463,10 +1458,7 @@
 			break;
 		if (inode && unlikely(inode->i_op->follow_link) &&
 		    (lookup_flags & LOOKUP_FOLLOW)) {
-			if (nameidata_dentry_drop_rcu_maybe(nd, next.dentry))
-				return -ECHILD;
-			BUG_ON(inode != next.dentry->d_inode);
-			err = do_follow_link(&next, nd);
+			err = do_follow_link(inode, &next, nd);
 			if (err)
 				goto return_err;
 			nd->inode = nd->path.dentry->d_inode;
@@ -1500,12 +1492,15 @@
 		 * We may need to check the cached dentry for staleness.
 		 */
 		if (need_reval_dot(nd->path.dentry)) {
+			if (nameidata_drop_rcu_last_maybe(nd))
+				return -ECHILD;
 			/* Note: we do not d_invalidate() */
 			err = d_revalidate(nd->path.dentry, nd);
 			if (!err)
 				err = -ESTALE;
 			if (err < 0)
 				break;
+			return 0;
 		}
 return_base:
 		if (nameidata_drop_rcu_last_maybe(nd))
@@ -2265,8 +2260,6 @@
 	return filp;
 
 exit:
-	if (!IS_ERR(nd->intent.open.file))
-		release_open_intent(nd);
 	path_put(&nd->path);
 	return ERR_PTR(error);
 }
@@ -2389,8 +2382,6 @@
 exit_dput:
 	path_put_conditional(path, nd);
 exit:
-	if (!IS_ERR(nd->intent.open.file))
-		release_open_intent(nd);
 	path_put(&nd->path);
 	return ERR_PTR(error);
 }
@@ -2477,6 +2468,7 @@
 	}
 	audit_inode(pathname, nd.path.dentry);
 	filp = finish_open(&nd, open_flag, acc_mode);
+	release_open_intent(&nd);
 	return filp;
 
 creat:
@@ -2553,6 +2545,7 @@
 		path_put(&nd.root);
 	if (filp == ERR_PTR(-ESTALE) && !(flags & LOOKUP_REVAL))
 		goto reval;
+	release_open_intent(&nd);
 	return filp;
 
 exit_dput:
@@ -2560,8 +2553,6 @@
 out_path:
 	path_put(&nd.path);
 out_filp:
-	if (!IS_ERR(nd.intent.open.file))
-		release_open_intent(&nd);
 	filp = ERR_PTR(error);
 	goto out;
 }
diff --git a/fs/namespace.c b/fs/namespace.c
index 7b0b953..d1edf26 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -1244,7 +1244,7 @@
 		 */
 		br_write_lock(vfsmount_lock);
 		if (mnt_get_count(mnt) != 2) {
-			br_write_lock(vfsmount_lock);
+			br_write_unlock(vfsmount_lock);
 			return -EBUSY;
 		}
 		br_write_unlock(vfsmount_lock);
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index 3be975e..cde36cb 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -484,7 +484,7 @@
 out:
 	return status;
 out_default:
-	return nfs_cb_stat_to_errno(status);
+	return nfs_cb_stat_to_errno(nfserr);
 }
 
 /*
@@ -564,11 +564,9 @@
 	if (unlikely(status))
 		goto out;
 	if (unlikely(nfserr != NFS4_OK))
-		goto out_default;
+		status = nfs_cb_stat_to_errno(nfserr);
 out:
 	return status;
-out_default:
-	return nfs_cb_stat_to_errno(status);
 }
 
 /*
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index d98d021..54b60bf 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -230,9 +230,6 @@
 	dp->dl_client = clp;
 	get_nfs4_file(fp);
 	dp->dl_file = fp;
-	dp->dl_vfs_file = find_readable_file(fp);
-	get_file(dp->dl_vfs_file);
-	dp->dl_flock = NULL;
 	dp->dl_type = type;
 	dp->dl_stateid.si_boot = boot_time;
 	dp->dl_stateid.si_stateownerid = current_delegid++;
@@ -241,8 +238,6 @@
 	fh_copy_shallow(&dp->dl_fh, &current_fh->fh_handle);
 	dp->dl_time = 0;
 	atomic_set(&dp->dl_count, 1);
-	list_add(&dp->dl_perfile, &fp->fi_delegations);
-	list_add(&dp->dl_perclnt, &clp->cl_delegations);
 	INIT_WORK(&dp->dl_recall.cb_work, nfsd4_do_callback_rpc);
 	return dp;
 }
@@ -253,36 +248,30 @@
 	if (atomic_dec_and_test(&dp->dl_count)) {
 		dprintk("NFSD: freeing dp %p\n",dp);
 		put_nfs4_file(dp->dl_file);
-		fput(dp->dl_vfs_file);
 		kmem_cache_free(deleg_slab, dp);
 		num_delegations--;
 	}
 }
 
-/* Remove the associated file_lock first, then remove the delegation.
- * lease_modify() is called to remove the FS_LEASE file_lock from
- * the i_flock list, eventually calling nfsd's lock_manager
- * fl_release_callback.
- */
-static void
-nfs4_close_delegation(struct nfs4_delegation *dp)
+static void nfs4_put_deleg_lease(struct nfs4_file *fp)
 {
-	dprintk("NFSD: close_delegation dp %p\n",dp);
-	/* XXX: do we even need this check?: */
-	if (dp->dl_flock)
-		vfs_setlease(dp->dl_vfs_file, F_UNLCK, &dp->dl_flock);
+	if (atomic_dec_and_test(&fp->fi_delegees)) {
+		vfs_setlease(fp->fi_deleg_file, F_UNLCK, &fp->fi_lease);
+		fp->fi_lease = NULL;
+		fp->fi_deleg_file = NULL;
+	}
 }
 
 /* Called under the state lock. */
 static void
 unhash_delegation(struct nfs4_delegation *dp)
 {
-	list_del_init(&dp->dl_perfile);
 	list_del_init(&dp->dl_perclnt);
 	spin_lock(&recall_lock);
+	list_del_init(&dp->dl_perfile);
 	list_del_init(&dp->dl_recall_lru);
 	spin_unlock(&recall_lock);
-	nfs4_close_delegation(dp);
+	nfs4_put_deleg_lease(dp->dl_file);
 	nfs4_put_delegation(dp);
 }
 
@@ -958,8 +947,6 @@
 	spin_lock(&recall_lock);
 	while (!list_empty(&clp->cl_delegations)) {
 		dp = list_entry(clp->cl_delegations.next, struct nfs4_delegation, dl_perclnt);
-		dprintk("NFSD: expire client. dp %p, fp %p\n", dp,
-				dp->dl_flock);
 		list_del_init(&dp->dl_perclnt);
 		list_move(&dp->dl_recall_lru, &reaplist);
 	}
@@ -2078,6 +2065,7 @@
 		fp->fi_inode = igrab(ino);
 		fp->fi_id = current_fileid++;
 		fp->fi_had_conflict = false;
+		fp->fi_lease = NULL;
 		memset(fp->fi_fds, 0, sizeof(fp->fi_fds));
 		memset(fp->fi_access, 0, sizeof(fp->fi_access));
 		spin_lock(&recall_lock);
@@ -2329,23 +2317,8 @@
 		nfs4_file_put_access(fp, O_RDONLY);
 }
 
-/*
- * Spawn a thread to perform a recall on the delegation represented
- * by the lease (file_lock)
- *
- * Called from break_lease() with lock_flocks() held.
- * Note: we assume break_lease will only call this *once* for any given
- * lease.
- */
-static
-void nfsd_break_deleg_cb(struct file_lock *fl)
+static void nfsd_break_one_deleg(struct nfs4_delegation *dp)
 {
-	struct nfs4_delegation *dp = (struct nfs4_delegation *)fl->fl_owner;
-
-	dprintk("NFSD nfsd_break_deleg_cb: dp %p fl %p\n",dp,fl);
-	if (!dp)
-		return;
-
 	/* We're assuming the state code never drops its reference
 	 * without first removing the lease.  Since we're in this lease
 	 * callback (and since the lease code is serialized by the kernel
@@ -2353,22 +2326,35 @@
 	 * it's safe to take a reference: */
 	atomic_inc(&dp->dl_count);
 
-	spin_lock(&recall_lock);
 	list_add_tail(&dp->dl_recall_lru, &del_recall_lru);
-	spin_unlock(&recall_lock);
 
 	/* only place dl_time is set. protected by lock_flocks*/
 	dp->dl_time = get_seconds();
 
+	nfsd4_cb_recall(dp);
+}
+
+/* Called from break_lease() with lock_flocks() held. */
+static void nfsd_break_deleg_cb(struct file_lock *fl)
+{
+	struct nfs4_file *fp = (struct nfs4_file *)fl->fl_owner;
+	struct nfs4_delegation *dp;
+
+	BUG_ON(!fp);
+	/* We assume break_lease is only called once per lease: */
+	BUG_ON(fp->fi_had_conflict);
 	/*
 	 * We don't want the locks code to timeout the lease for us;
-	 * we'll remove it ourself if the delegation isn't returned
-	 * in time.
+	 * we'll remove it ourself if a delegation isn't returned
+	 * in time:
 	 */
 	fl->fl_break_time = 0;
 
-	dp->dl_file->fi_had_conflict = true;
-	nfsd4_cb_recall(dp);
+	spin_lock(&recall_lock);
+	fp->fi_had_conflict = true;
+	list_for_each_entry(dp, &fp->fi_delegations, dl_perfile)
+		nfsd_break_one_deleg(dp);
+	spin_unlock(&recall_lock);
 }
 
 static
@@ -2459,13 +2445,15 @@
 static struct nfs4_delegation *
 find_delegation_file(struct nfs4_file *fp, stateid_t *stid)
 {
-	struct nfs4_delegation *dp;
+	struct nfs4_delegation *dp = NULL;
 
+	spin_lock(&recall_lock);
 	list_for_each_entry(dp, &fp->fi_delegations, dl_perfile) {
 		if (dp->dl_stateid.si_stateownerid == stid->si_stateownerid)
-			return dp;
+			break;
 	}
-	return NULL;
+	spin_unlock(&recall_lock);
+	return dp;
 }
 
 int share_access_to_flags(u32 share_access)
@@ -2641,6 +2629,66 @@
 	return clp->cl_minorversion && clp->cl_cb_state == NFSD4_CB_UNKNOWN;
 }
 
+static struct file_lock *nfs4_alloc_init_lease(struct nfs4_delegation *dp, int flag)
+{
+	struct file_lock *fl;
+
+	fl = locks_alloc_lock();
+	if (!fl)
+		return NULL;
+	locks_init_lock(fl);
+	fl->fl_lmops = &nfsd_lease_mng_ops;
+	fl->fl_flags = FL_LEASE;
+	fl->fl_type = flag == NFS4_OPEN_DELEGATE_READ? F_RDLCK: F_WRLCK;
+	fl->fl_end = OFFSET_MAX;
+	fl->fl_owner = (fl_owner_t)(dp->dl_file);
+	fl->fl_pid = current->tgid;
+	return fl;
+}
+
+static int nfs4_setlease(struct nfs4_delegation *dp, int flag)
+{
+	struct nfs4_file *fp = dp->dl_file;
+	struct file_lock *fl;
+	int status;
+
+	fl = nfs4_alloc_init_lease(dp, flag);
+	if (!fl)
+		return -ENOMEM;
+	fl->fl_file = find_readable_file(fp);
+	list_add(&dp->dl_perclnt, &dp->dl_client->cl_delegations);
+	status = vfs_setlease(fl->fl_file, fl->fl_type, &fl);
+	if (status) {
+		list_del_init(&dp->dl_perclnt);
+		locks_free_lock(fl);
+		return -ENOMEM;
+	}
+	fp->fi_lease = fl;
+	fp->fi_deleg_file = fl->fl_file;
+	get_file(fp->fi_deleg_file);
+	atomic_set(&fp->fi_delegees, 1);
+	list_add(&dp->dl_perfile, &fp->fi_delegations);
+	return 0;
+}
+
+static int nfs4_set_delegation(struct nfs4_delegation *dp, int flag)
+{
+	struct nfs4_file *fp = dp->dl_file;
+
+	if (!fp->fi_lease)
+		return nfs4_setlease(dp, flag);
+	spin_lock(&recall_lock);
+	if (fp->fi_had_conflict) {
+		spin_unlock(&recall_lock);
+		return -EAGAIN;
+	}
+	atomic_inc(&fp->fi_delegees);
+	list_add(&dp->dl_perfile, &fp->fi_delegations);
+	spin_unlock(&recall_lock);
+	list_add(&dp->dl_perclnt, &dp->dl_client->cl_delegations);
+	return 0;
+}
+
 /*
  * Attempt to hand out a delegation.
  */
@@ -2650,7 +2698,6 @@
 	struct nfs4_delegation *dp;
 	struct nfs4_stateowner *sop = stp->st_stateowner;
 	int cb_up;
-	struct file_lock *fl;
 	int status, flag = 0;
 
 	cb_up = nfsd4_cb_channel_good(sop->so_client);
@@ -2681,36 +2728,11 @@
 	}
 
 	dp = alloc_init_deleg(sop->so_client, stp, fh, flag);
-	if (dp == NULL) {
-		flag = NFS4_OPEN_DELEGATE_NONE;
-		goto out;
-	}
-	status = -ENOMEM;
-	fl = locks_alloc_lock();
-	if (!fl)
-		goto out;
-	locks_init_lock(fl);
-	fl->fl_lmops = &nfsd_lease_mng_ops;
-	fl->fl_flags = FL_LEASE;
-	fl->fl_type = flag == NFS4_OPEN_DELEGATE_READ? F_RDLCK: F_WRLCK;
-	fl->fl_end = OFFSET_MAX;
-	fl->fl_owner =  (fl_owner_t)dp;
-	fl->fl_file = find_readable_file(stp->st_file);
-	BUG_ON(!fl->fl_file);
-	fl->fl_pid = current->tgid;
-	dp->dl_flock = fl;
-
-	/* vfs_setlease checks to see if delegation should be handed out.
-	 * the lock_manager callback fl_change is used
-	 */
-	if ((status = vfs_setlease(fl->fl_file, fl->fl_type, &fl))) {
-		dprintk("NFSD: setlease failed [%d], no delegation\n", status);
-		dp->dl_flock = NULL;
-		locks_free_lock(fl);
-		unhash_delegation(dp);
-		flag = NFS4_OPEN_DELEGATE_NONE;
-		goto out;
-	}
+	if (dp == NULL)
+		goto out_no_deleg;
+	status = nfs4_set_delegation(dp, flag);
+	if (status)
+		goto out_free;
 
 	memcpy(&open->op_delegate_stateid, &dp->dl_stateid, sizeof(dp->dl_stateid));
 
@@ -2722,6 +2744,12 @@
 			&& open->op_delegate_type != NFS4_OPEN_DELEGATE_NONE)
 		dprintk("NFSD: WARNING: refusing delegation reclaim\n");
 	open->op_delegate_type = flag;
+	return;
+out_free:
+	nfs4_put_delegation(dp);
+out_no_deleg:
+	flag = NFS4_OPEN_DELEGATE_NONE;
+	goto out;
 }
 
 /*
@@ -2916,8 +2944,6 @@
 				test_val = u;
 			break;
 		}
-		dprintk("NFSD: purging unused delegation dp %p, fp %p\n",
-			            dp, dp->dl_flock);
 		list_move(&dp->dl_recall_lru, &reaplist);
 	}
 	spin_unlock(&recall_lock);
@@ -3128,7 +3154,7 @@
 			goto out;
 		renew_client(dp->dl_client);
 		if (filpp) {
-			*filpp = find_readable_file(dp->dl_file);
+			*filpp = dp->dl_file->fi_deleg_file;
 			BUG_ON(!*filpp);
 		}
 	} else { /* open or lock stateid */
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 956629b..1275b86 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -317,8 +317,8 @@
 		READ_BUF(dummy32);
 		len += (XDR_QUADLEN(dummy32) << 2);
 		READMEM(buf, dummy32);
-		if ((host_err = nfsd_map_name_to_uid(argp->rqstp, buf, dummy32, &iattr->ia_uid)))
-			goto out_nfserr;
+		if ((status = nfsd_map_name_to_uid(argp->rqstp, buf, dummy32, &iattr->ia_uid)))
+			return status;
 		iattr->ia_valid |= ATTR_UID;
 	}
 	if (bmval[1] & FATTR4_WORD1_OWNER_GROUP) {
@@ -328,8 +328,8 @@
 		READ_BUF(dummy32);
 		len += (XDR_QUADLEN(dummy32) << 2);
 		READMEM(buf, dummy32);
-		if ((host_err = nfsd_map_name_to_gid(argp->rqstp, buf, dummy32, &iattr->ia_gid)))
-			goto out_nfserr;
+		if ((status = nfsd_map_name_to_gid(argp->rqstp, buf, dummy32, &iattr->ia_gid)))
+			return status;
 		iattr->ia_valid |= ATTR_GID;
 	}
 	if (bmval[1] & FATTR4_WORD1_TIME_ACCESS_SET) {
diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h
index 3074656..2d31224 100644
--- a/fs/nfsd/state.h
+++ b/fs/nfsd/state.h
@@ -83,8 +83,6 @@
 	atomic_t		dl_count;       /* ref count */
 	struct nfs4_client	*dl_client;
 	struct nfs4_file	*dl_file;
-	struct file		*dl_vfs_file;
-	struct file_lock	*dl_flock;
 	u32			dl_type;
 	time_t			dl_time;
 /* For recall: */
@@ -379,6 +377,9 @@
 	 */
 	atomic_t		fi_readers;
 	atomic_t		fi_writers;
+	struct file		*fi_deleg_file;
+	struct file_lock	*fi_lease;
+	atomic_t		fi_delegees;
 	struct inode		*fi_inode;
 	u32                     fi_id;      /* used with stateowner->so_id 
 					     * for stateid_hashtbl hash */
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 641117f..da1d970 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -808,7 +808,7 @@
 		if (ra->p_count == 0)
 			frap = rap;
 	}
-	depth = nfsdstats.ra_size*11/10;
+	depth = nfsdstats.ra_size;
 	if (!frap) {	
 		spin_unlock(&rab->pb_lock);
 		return NULL;
@@ -1744,6 +1744,13 @@
 	host_err = nfsd_break_lease(odentry->d_inode);
 	if (host_err)
 		goto out_drop_write;
+	if (ndentry->d_inode) {
+		host_err = nfsd_break_lease(ndentry->d_inode);
+		if (host_err)
+			goto out_drop_write;
+	}
+	if (host_err)
+		goto out_drop_write;
 	host_err = vfs_rename(fdir, odentry, tdir, ndentry);
 	if (!host_err) {
 		host_err = commit_metadata(tfhp);
@@ -1812,22 +1819,22 @@
 
 	host_err = mnt_want_write(fhp->fh_export->ex_path.mnt);
 	if (host_err)
-		goto out_nfserr;
+		goto out_put;
 
 	host_err = nfsd_break_lease(rdentry->d_inode);
 	if (host_err)
-		goto out_put;
+		goto out_drop_write;
 	if (type != S_IFDIR)
 		host_err = vfs_unlink(dirp, rdentry);
 	else
 		host_err = vfs_rmdir(dirp, rdentry);
+	if (!host_err)
+		host_err = commit_metadata(fhp);
+out_drop_write:
+	mnt_drop_write(fhp->fh_export->ex_path.mnt);
 out_put:
 	dput(rdentry);
 
-	if (!host_err)
-		host_err = commit_metadata(fhp);
-
-	mnt_drop_write(fhp->fh_export->ex_path.mnt);
 out_nfserr:
 	err = nfserrno(host_err);
 out:
diff --git a/fs/nilfs2/btnode.c b/fs/nilfs2/btnode.c
index 388e9e8..85f7baa 100644
--- a/fs/nilfs2/btnode.c
+++ b/fs/nilfs2/btnode.c
@@ -35,11 +35,6 @@
 #include "btnode.h"
 
 
-void nilfs_btnode_cache_init_once(struct address_space *btnc)
-{
-	nilfs_mapping_init_once(btnc);
-}
-
 static const struct address_space_operations def_btnode_aops = {
 	.sync_page		= block_sync_page,
 };
diff --git a/fs/nilfs2/btnode.h b/fs/nilfs2/btnode.h
index 7903749..1b8ebd8 100644
--- a/fs/nilfs2/btnode.h
+++ b/fs/nilfs2/btnode.h
@@ -37,7 +37,6 @@
 	struct buffer_head *newbh;
 };
 
-void nilfs_btnode_cache_init_once(struct address_space *);
 void nilfs_btnode_cache_init(struct address_space *, struct backing_dev_info *);
 void nilfs_btnode_cache_clear(struct address_space *);
 struct buffer_head *nilfs_btnode_create_block(struct address_space *btnc,
diff --git a/fs/nilfs2/mdt.c b/fs/nilfs2/mdt.c
index 6a0e2a1..a0babd2 100644
--- a/fs/nilfs2/mdt.c
+++ b/fs/nilfs2/mdt.c
@@ -454,9 +454,9 @@
 	struct backing_dev_info *bdi = inode->i_sb->s_bdi;
 
 	INIT_LIST_HEAD(&shadow->frozen_buffers);
-	nilfs_mapping_init_once(&shadow->frozen_data);
+	address_space_init_once(&shadow->frozen_data);
 	nilfs_mapping_init(&shadow->frozen_data, bdi, &shadow_map_aops);
-	nilfs_mapping_init_once(&shadow->frozen_btnodes);
+	address_space_init_once(&shadow->frozen_btnodes);
 	nilfs_mapping_init(&shadow->frozen_btnodes, bdi, &shadow_map_aops);
 	mi->mi_shadow = shadow;
 	return 0;
diff --git a/fs/nilfs2/page.c b/fs/nilfs2/page.c
index 0c43241..a585b35 100644
--- a/fs/nilfs2/page.c
+++ b/fs/nilfs2/page.c
@@ -492,19 +492,6 @@
 	return nc;
 }
 
-void nilfs_mapping_init_once(struct address_space *mapping)
-{
-	memset(mapping, 0, sizeof(*mapping));
-	INIT_RADIX_TREE(&mapping->page_tree, GFP_ATOMIC);
-	spin_lock_init(&mapping->tree_lock);
-	INIT_LIST_HEAD(&mapping->private_list);
-	spin_lock_init(&mapping->private_lock);
-
-	spin_lock_init(&mapping->i_mmap_lock);
-	INIT_RAW_PRIO_TREE_ROOT(&mapping->i_mmap);
-	INIT_LIST_HEAD(&mapping->i_mmap_nonlinear);
-}
-
 void nilfs_mapping_init(struct address_space *mapping,
 			struct backing_dev_info *bdi,
 			const struct address_space_operations *aops)
diff --git a/fs/nilfs2/page.h b/fs/nilfs2/page.h
index 622df27..2a00953 100644
--- a/fs/nilfs2/page.h
+++ b/fs/nilfs2/page.h
@@ -61,7 +61,6 @@
 int nilfs_copy_dirty_pages(struct address_space *, struct address_space *);
 void nilfs_copy_back_pages(struct address_space *, struct address_space *);
 void nilfs_clear_dirty_pages(struct address_space *);
-void nilfs_mapping_init_once(struct address_space *mapping);
 void nilfs_mapping_init(struct address_space *mapping,
 			struct backing_dev_info *bdi,
 			const struct address_space_operations *aops);
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index 58fd707..1673b3d 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -1279,7 +1279,7 @@
 #ifdef CONFIG_NILFS_XATTR
 	init_rwsem(&ii->xattr_sem);
 #endif
-	nilfs_btnode_cache_init_once(&ii->i_btnode_cache);
+	address_space_init_once(&ii->i_btnode_cache);
 	ii->i_bmap = &ii->i_bmap_data;
 	inode_init_once(&ii->vfs_inode);
 }
diff --git a/fs/ocfs2/journal.h b/fs/ocfs2/journal.h
index 43e56b9..6180da1 100644
--- a/fs/ocfs2/journal.h
+++ b/fs/ocfs2/journal.h
@@ -405,9 +405,9 @@
 	       ocfs2_quota_trans_credits(sb);
 }
 
-/* data block for new dir/symlink, 2 for bitmap updates (bitmap fe +
- * bitmap block for the new bit) dx_root update for free list */
-#define OCFS2_DIR_LINK_ADDITIONAL_CREDITS (1 + 2 + 1)
+/* data block for new dir/symlink, allocation of directory block, dx_root
+ * update for free list */
+#define OCFS2_DIR_LINK_ADDITIONAL_CREDITS (1 + OCFS2_SUBALLOC_ALLOC + 1)
 
 static inline int ocfs2_add_dir_index_credits(struct super_block *sb)
 {
diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c
index b5f9160..19ebc5a 100644
--- a/fs/ocfs2/refcounttree.c
+++ b/fs/ocfs2/refcounttree.c
@@ -3228,7 +3228,7 @@
 					u32 num_clusters, unsigned int e_flags)
 {
 	int ret, delete, index, credits =  0;
-	u32 new_bit, new_len;
+	u32 new_bit, new_len, orig_num_clusters;
 	unsigned int set_len;
 	struct ocfs2_super *osb = OCFS2_SB(sb);
 	handle_t *handle;
@@ -3261,6 +3261,8 @@
 		goto out;
 	}
 
+	orig_num_clusters = num_clusters;
+
 	while (num_clusters) {
 		ret = ocfs2_get_refcount_rec(ref_ci, context->ref_root_bh,
 					     p_cluster, num_clusters,
@@ -3348,7 +3350,8 @@
 	 * in write-back mode.
 	 */
 	if (context->get_clusters == ocfs2_di_get_clusters) {
-		ret = ocfs2_cow_sync_writeback(sb, context, cpos, num_clusters);
+		ret = ocfs2_cow_sync_writeback(sb, context, cpos,
+					       orig_num_clusters);
 		if (ret)
 			mlog_errno(ret);
 	}
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 38f986d..36c423f 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -1316,7 +1316,7 @@
 			       struct mount_options *mopt,
 			       int is_remount)
 {
-	int status;
+	int status, user_stack = 0;
 	char *p;
 	u32 tmp;
 
@@ -1459,6 +1459,15 @@
 			memcpy(mopt->cluster_stack, args[0].from,
 			       OCFS2_STACK_LABEL_LEN);
 			mopt->cluster_stack[OCFS2_STACK_LABEL_LEN] = '\0';
+			/*
+			 * Open code the memcmp here as we don't have
+			 * an osb to pass to
+			 * ocfs2_userspace_stack().
+			 */
+			if (memcmp(mopt->cluster_stack,
+				   OCFS2_CLASSIC_CLUSTER_STACK,
+				   OCFS2_STACK_LABEL_LEN))
+				user_stack = 1;
 			break;
 		case Opt_inode64:
 			mopt->mount_opt |= OCFS2_MOUNT_INODE64;
@@ -1514,13 +1523,16 @@
 		}
 	}
 
-	/* Ensure only one heartbeat mode */
-	tmp = mopt->mount_opt & (OCFS2_MOUNT_HB_LOCAL | OCFS2_MOUNT_HB_GLOBAL |
-				 OCFS2_MOUNT_HB_NONE);
-	if (hweight32(tmp) != 1) {
-		mlog(ML_ERROR, "Invalid heartbeat mount options\n");
-		status = 0;
-		goto bail;
+	if (user_stack == 0) {
+		/* Ensure only one heartbeat mode */
+		tmp = mopt->mount_opt & (OCFS2_MOUNT_HB_LOCAL |
+					 OCFS2_MOUNT_HB_GLOBAL |
+					 OCFS2_MOUNT_HB_NONE);
+		if (hweight32(tmp) != 1) {
+			mlog(ML_ERROR, "Invalid heartbeat mount options\n");
+			status = 0;
+			goto bail;
+		}
 	}
 
 	status = 1;
diff --git a/fs/open.c b/fs/open.c
index e52389e..5a2c6eb 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -790,6 +790,8 @@
 
 	/* Pick up the filp from the open intent */
 	filp = nd->intent.open.file;
+	nd->intent.open.file = NULL;
+
 	/* Has the filesystem initialised the file for us? */
 	if (filp->f_path.dentry == NULL) {
 		path_get(&nd->path);
diff --git a/fs/partitions/ldm.c b/fs/partitions/ldm.c
index 789c625..b10e354 100644
--- a/fs/partitions/ldm.c
+++ b/fs/partitions/ldm.c
@@ -251,6 +251,11 @@
 	}
 
 	vm->vblk_size     = get_unaligned_be32(data + 0x08);
+	if (vm->vblk_size == 0) {
+		ldm_error ("Illegal VBLK size");
+		return false;
+	}
+
 	vm->vblk_offset   = get_unaligned_be32(data + 0x0C);
 	vm->last_vblk_seq = get_unaligned_be32(data + 0x04);
 
diff --git a/fs/partitions/mac.c b/fs/partitions/mac.c
index 68d6a21..11f688b 100644
--- a/fs/partitions/mac.c
+++ b/fs/partitions/mac.c
@@ -29,10 +29,9 @@
 
 int mac_partition(struct parsed_partitions *state)
 {
-	int slot = 1;
 	Sector sect;
 	unsigned char *data;
-	int blk, blocks_in_map;
+	int slot, blocks_in_map;
 	unsigned secsize;
 #ifdef CONFIG_PPC_PMAC
 	int found_root = 0;
@@ -59,10 +58,14 @@
 		put_dev_sector(sect);
 		return 0;		/* not a MacOS disk */
 	}
-	strlcat(state->pp_buf, " [mac]", PAGE_SIZE);
 	blocks_in_map = be32_to_cpu(part->map_count);
-	for (blk = 1; blk <= blocks_in_map; ++blk) {
-		int pos = blk * secsize;
+	if (blocks_in_map < 0 || blocks_in_map >= DISK_MAX_PARTS) {
+		put_dev_sector(sect);
+		return 0;
+	}
+	strlcat(state->pp_buf, " [mac]", PAGE_SIZE);
+	for (slot = 1; slot <= blocks_in_map; ++slot) {
+		int pos = slot * secsize;
 		put_dev_sector(sect);
 		data = read_part_sector(state, pos/512, &sect);
 		if (!data)
@@ -113,13 +116,11 @@
 			}
 
 			if (goodness > found_root_goodness) {
-				found_root = blk;
+				found_root = slot;
 				found_root_goodness = goodness;
 			}
 		}
 #endif /* CONFIG_PPC_PMAC */
-
-		++slot;
 	}
 #ifdef CONFIG_PPC_PMAC
 	if (found_root_goodness)
diff --git a/fs/proc/array.c b/fs/proc/array.c
index df2b703..7c99c1c 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -353,9 +353,6 @@
 	task_cap(m, task);
 	task_cpus_allowed(m, task);
 	cpuset_task_status_allowed(m, task);
-#if defined(CONFIG_S390)
-	task_show_regs(m, task);
-#endif
 	task_context_switch_counts(m, task);
 	return 0;
 }
diff --git a/fs/super.c b/fs/super.c
index 74e149e..7e9dd4c 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -177,6 +177,11 @@
 	struct file_system_type *fs = s->s_type;
 	if (atomic_dec_and_test(&s->s_active)) {
 		fs->kill_sb(s);
+		/*
+		 * We need to call rcu_barrier so all the delayed rcu free
+		 * inodes are flushed before we release the fs module.
+		 */
+		rcu_barrier();
 		put_filesystem(fs);
 		put_super(s);
 	} else {
diff --git a/fs/xfs/linux-2.6/xfs_discard.c b/fs/xfs/linux-2.6/xfs_discard.c
index 05201ae..d61611c 100644
--- a/fs/xfs/linux-2.6/xfs_discard.c
+++ b/fs/xfs/linux-2.6/xfs_discard.c
@@ -152,6 +152,8 @@
 
 	if (!capable(CAP_SYS_ADMIN))
 		return -XFS_ERROR(EPERM);
+	if (!blk_queue_discard(q))
+		return -XFS_ERROR(EOPNOTSUPP);
 	if (copy_from_user(&range, urange, sizeof(range)))
 		return -XFS_ERROR(EFAULT);
 
diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c
index cec89dd..85668ef 100644
--- a/fs/xfs/xfs_fsops.c
+++ b/fs/xfs/xfs_fsops.c
@@ -53,6 +53,9 @@
 	xfs_fsop_geom_t		*geo,
 	int			new_version)
 {
+
+	memset(geo, 0, sizeof(*geo));
+
 	geo->blocksize = mp->m_sb.sb_blocksize;
 	geo->rtextsize = mp->m_sb.sb_rextsize;
 	geo->agblocks = mp->m_sb.sb_agblocks;
diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
index 31b6188..b4bfe33 100644
--- a/include/asm-generic/pgtable.h
+++ b/include/asm-generic/pgtable.h
@@ -4,6 +4,8 @@
 #ifndef __ASSEMBLY__
 #ifdef CONFIG_MMU
 
+#include <linux/mm_types.h>
+
 #ifndef __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
 extern int ptep_set_access_flags(struct vm_area_struct *vma,
 				 unsigned long address, pte_t *ptep,
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 8352147..ad5770f 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -1134,7 +1134,7 @@
 	struct usb_device *usbdev;
 
 	struct drm_sg_mem *sg;	/**< Scatter gather memory */
-	int num_crtcs;                  /**< Number of CRTCs on this device */
+	unsigned int num_crtcs;                  /**< Number of CRTCs on this device */
 	void *dev_private;		/**< device private data */
 	void *mm_private;
 	struct address_space *dev_mapping;
diff --git a/include/drm/i915_drm.h b/include/drm/i915_drm.h
index 0039f1f..c4d6dbf 100644
--- a/include/drm/i915_drm.h
+++ b/include/drm/i915_drm.h
@@ -290,6 +290,7 @@
 #define I915_PARAM_HAS_RELAXED_FENCING	 12
 #define I915_PARAM_HAS_COHERENT_RINGS	 13
 #define I915_PARAM_HAS_EXEC_CONSTANTS	 14
+#define I915_PARAM_HAS_RELAXED_DELTA	 15
 
 typedef struct drm_i915_getparam {
 	int param;
diff --git a/include/linux/dcbnl.h b/include/linux/dcbnl.h
index 68cd248..66900e3 100644
--- a/include/linux/dcbnl.h
+++ b/include/linux/dcbnl.h
@@ -101,8 +101,8 @@
  */
 struct dcb_app {
 	__u8	selector;
-	__u32	protocol;
 	__u8	priority;
+	__u16	protocol;
 };
 
 struct dcbmsg {
diff --git a/include/linux/freezer.h b/include/linux/freezer.h
index da7e52b..1effc8b 100644
--- a/include/linux/freezer.h
+++ b/include/linux/freezer.h
@@ -109,7 +109,7 @@
 }
 
 /*
- * Check if the task should be counted as freezeable by the freezer
+ * Check if the task should be counted as freezable by the freezer
  */
 static inline int freezer_should_skip(struct task_struct *p)
 {
diff --git a/include/linux/fs.h b/include/linux/fs.h
index bd32159..e38b50a4 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -649,6 +649,7 @@
 	spinlock_t		private_lock;	/* for use by the address_space */
 	struct list_head	private_list;	/* ditto */
 	struct address_space	*assoc_mapping;	/* ditto */
+	struct mutex		unmap_mutex;    /* to protect unmapping */
 } __attribute__((aligned(sizeof(long))));
 	/*
 	 * On most architectures that alignment is already the case; but
@@ -2139,7 +2140,7 @@
 				   struct block_device *bdev);
 extern int revalidate_disk(struct gendisk *);
 extern int check_disk_change(struct block_device *);
-extern int __invalidate_device(struct block_device *);
+extern int __invalidate_device(struct block_device *, bool);
 extern int invalidate_partition(struct gendisk *, int);
 #endif
 unsigned long invalidate_mapping_pages(struct address_space *mapping,
@@ -2225,6 +2226,7 @@
 
 extern int inode_init_always(struct super_block *, struct inode *);
 extern void inode_init_once(struct inode *);
+extern void address_space_init_once(struct address_space *mapping);
 extern void ihold(struct inode * inode);
 extern void iput(struct inode *);
 extern struct inode * igrab(struct inode *);
diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h
index 8e6c8c4..df29c8f 100644
--- a/include/linux/huge_mm.h
+++ b/include/linux/huge_mm.h
@@ -57,7 +57,8 @@
 	  (transparent_hugepage_flags &					\
 	   (1<<TRANSPARENT_HUGEPAGE_REQ_MADV_FLAG) &&			\
 	   ((__vma)->vm_flags & VM_HUGEPAGE))) &&			\
-	 !((__vma)->vm_flags & VM_NOHUGEPAGE))
+	 !((__vma)->vm_flags & VM_NOHUGEPAGE) &&			\
+	 !is_vma_temporary_stack(__vma))
 #define transparent_hugepage_defrag(__vma)				\
 	((transparent_hugepage_flags &					\
 	  (1<<TRANSPARENT_HUGEPAGE_DEFRAG_FLAG)) ||			\
diff --git a/include/linux/input/matrix_keypad.h b/include/linux/input/matrix_keypad.h
index 6974746..fe7c4b9 100644
--- a/include/linux/input/matrix_keypad.h
+++ b/include/linux/input/matrix_keypad.h
@@ -4,8 +4,8 @@
 #include <linux/types.h>
 #include <linux/input.h>
 
-#define MATRIX_MAX_ROWS		16
-#define MATRIX_MAX_COLS		16
+#define MATRIX_MAX_ROWS		32
+#define MATRIX_MAX_COLS		32
 
 #define KEY(row, col, val)	((((row) & (MATRIX_MAX_ROWS - 1)) << 24) |\
 				 (((col) & (MATRIX_MAX_COLS - 1)) << 16) |\
diff --git a/include/linux/klist.h b/include/linux/klist.h
index e91a4e5..a370ce5 100644
--- a/include/linux/klist.h
+++ b/include/linux/klist.h
@@ -22,7 +22,7 @@
 	struct list_head	k_list;
 	void			(*get)(struct klist_node *);
 	void			(*put)(struct klist_node *);
-} __attribute__ ((aligned (4)));
+} __attribute__ ((aligned (sizeof(void *))));
 
 #define KLIST_INIT(_name, _get, _put)					\
 	{ .k_lock	= __SPIN_LOCK_UNLOCKED(_name.k_lock),		\
diff --git a/include/linux/list.h b/include/linux/list.h
index 9a5f8a7..3a54266 100644
--- a/include/linux/list.h
+++ b/include/linux/list.h
@@ -96,6 +96,11 @@
  * in an undefined state.
  */
 #ifndef CONFIG_DEBUG_LIST
+static inline void __list_del_entry(struct list_head *entry)
+{
+	__list_del(entry->prev, entry->next);
+}
+
 static inline void list_del(struct list_head *entry)
 {
 	__list_del(entry->prev, entry->next);
@@ -103,6 +108,7 @@
 	entry->prev = LIST_POISON2;
 }
 #else
+extern void __list_del_entry(struct list_head *entry);
 extern void list_del(struct list_head *entry);
 #endif
 
@@ -135,7 +141,7 @@
  */
 static inline void list_del_init(struct list_head *entry)
 {
-	__list_del(entry->prev, entry->next);
+	__list_del_entry(entry);
 	INIT_LIST_HEAD(entry);
 }
 
@@ -146,7 +152,7 @@
  */
 static inline void list_move(struct list_head *list, struct list_head *head)
 {
-	__list_del(list->prev, list->next);
+	__list_del_entry(list);
 	list_add(list, head);
 }
 
@@ -158,7 +164,7 @@
 static inline void list_move_tail(struct list_head *list,
 				  struct list_head *head)
 {
-	__list_del(list->prev, list->next);
+	__list_del_entry(list);
 	list_add_tail(list, head);
 }
 
diff --git a/include/linux/module.h b/include/linux/module.h
index 9bdf27c..5de4204 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -62,7 +62,7 @@
 	struct module_attribute mattr;
 	const char *module_name;
 	const char *version;
-};
+} __attribute__ ((__aligned__(sizeof(void *))));
 
 struct module_kobject
 {
diff --git a/include/linux/oprofile.h b/include/linux/oprofile.h
index 32fb812..1ca64113 100644
--- a/include/linux/oprofile.h
+++ b/include/linux/oprofile.h
@@ -16,6 +16,8 @@
 #include <linux/types.h>
 #include <linux/spinlock.h>
 #include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/printk.h>
 #include <asm/atomic.h>
  
 /* Each escaped entry is prefixed by ESCAPE_CODE
@@ -186,10 +188,17 @@
 int oprofile_add_data64(struct op_entry *entry, u64 val);
 int oprofile_write_commit(struct op_entry *entry);
 
-#ifdef CONFIG_PERF_EVENTS
+#ifdef CONFIG_HW_PERF_EVENTS
 int __init oprofile_perf_init(struct oprofile_operations *ops);
 void oprofile_perf_exit(void);
 char *op_name_from_perf_id(void);
-#endif /* CONFIG_PERF_EVENTS */
+#else
+static inline int __init oprofile_perf_init(struct oprofile_operations *ops)
+{
+	pr_info("oprofile: hardware counters not available\n");
+	return -ENODEV;
+}
+static inline void oprofile_perf_exit(void) { }
+#endif /* CONFIG_HW_PERF_EVENTS */
 
 #endif /* OPROFILE_H */
diff --git a/include/linux/pm.h b/include/linux/pm.h
index dd9c7ab..21415cc 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -431,6 +431,8 @@
 	struct list_head	entry;
 	struct completion	completion;
 	struct wakeup_source	*wakeup;
+#else
+	unsigned int		should_wakeup:1;
 #endif
 #ifdef CONFIG_PM_RUNTIME
 	struct timer_list	suspend_timer;
diff --git a/include/linux/pm_wakeup.h b/include/linux/pm_wakeup.h
index 9cff00d..03a67db 100644
--- a/include/linux/pm_wakeup.h
+++ b/include/linux/pm_wakeup.h
@@ -109,11 +109,6 @@
 	return dev->power.can_wakeup;
 }
 
-static inline bool device_may_wakeup(struct device *dev)
-{
-	return false;
-}
-
 static inline struct wakeup_source *wakeup_source_create(const char *name)
 {
 	return NULL;
@@ -134,24 +129,32 @@
 
 static inline int device_wakeup_enable(struct device *dev)
 {
-	return -EINVAL;
+	dev->power.should_wakeup = true;
+	return 0;
 }
 
 static inline int device_wakeup_disable(struct device *dev)
 {
+	dev->power.should_wakeup = false;
+	return 0;
+}
+
+static inline int device_set_wakeup_enable(struct device *dev, bool enable)
+{
+	dev->power.should_wakeup = enable;
 	return 0;
 }
 
 static inline int device_init_wakeup(struct device *dev, bool val)
 {
-	dev->power.can_wakeup = val;
-	return val ? -EINVAL : 0;
+	device_set_wakeup_capable(dev, val);
+	device_set_wakeup_enable(dev, val);
+	return 0;
 }
 
-
-static inline int device_set_wakeup_enable(struct device *dev, bool enable)
+static inline bool device_may_wakeup(struct device *dev)
 {
-	return -EINVAL;
+	return dev->power.can_wakeup && dev->power.should_wakeup;
 }
 
 static inline void __pm_stay_awake(struct wakeup_source *ws) {}
diff --git a/include/linux/rio_regs.h b/include/linux/rio_regs.h
index d63dcba..9026b30 100644
--- a/include/linux/rio_regs.h
+++ b/include/linux/rio_regs.h
@@ -14,10 +14,12 @@
 #define LINUX_RIO_REGS_H
 
 /*
- * In RapidIO, each device has a 2MB configuration space that is
+ * In RapidIO, each device has a 16MB configuration space that is
  * accessed via maintenance transactions.  Portions of configuration
  * space are standardized and/or reserved.
  */
+#define RIO_MAINT_SPACE_SZ	0x1000000 /* 16MB of RapidIO mainenance space */
+
 #define RIO_DEV_ID_CAR		0x00	/* [I] Device Identity CAR */
 #define RIO_DEV_INFO_CAR	0x04	/* [I] Device Information CAR */
 #define RIO_ASM_ID_CAR		0x08	/* [I] Assembly Identity CAR */
diff --git a/include/linux/rtc.h b/include/linux/rtc.h
index a0b639f..89c3e51 100644
--- a/include/linux/rtc.h
+++ b/include/linux/rtc.h
@@ -203,6 +203,18 @@
 	struct hrtimer pie_timer; /* sub second exp, so needs hrtimer */
 	int pie_enabled;
 	struct work_struct irqwork;
+
+
+#ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL
+	struct work_struct uie_task;
+	struct timer_list uie_timer;
+	/* Those fields are protected by rtc->irq_lock */
+	unsigned int oldsecs;
+	unsigned int uie_irq_active:1;
+	unsigned int stop_uie_polling:1;
+	unsigned int uie_task_active:1;
+	unsigned int uie_timer_active:1;
+#endif
 };
 #define to_rtc_device(d) container_of(d, struct rtc_device, dev)
 
@@ -235,7 +247,10 @@
 				struct rtc_task *task, int freq);
 extern int rtc_update_irq_enable(struct rtc_device *rtc, unsigned int enabled);
 extern int rtc_alarm_irq_enable(struct rtc_device *rtc, unsigned int enabled);
+extern int rtc_dev_update_irq_enable_emul(struct rtc_device *rtc,
+						unsigned int enabled);
 
+void rtc_handle_legacy_irq(struct rtc_device *rtc, int num, int mode);
 void rtc_aie_update_irq(void *private);
 void rtc_uie_update_irq(void *private);
 enum hrtimer_restart rtc_pie_update_irq(struct hrtimer *timer);
diff --git a/include/linux/sched.h b/include/linux/sched.h
index d747f94..777d8a5 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1744,7 +1744,7 @@
 #define PF_MCE_EARLY    0x08000000      /* Early kill for mce process policy */
 #define PF_MEMPOLICY	0x10000000	/* Non-default NUMA mempolicy */
 #define PF_MUTEX_TESTER	0x20000000	/* Thread belongs to the rt mutex tester */
-#define PF_FREEZER_SKIP	0x40000000	/* Freezer should not count it as freezeable */
+#define PF_FREEZER_SKIP	0x40000000	/* Freezer should not count it as freezable */
 #define PF_FREEZER_NOSIG 0x80000000	/* Freezer won't send signals to it */
 
 /*
diff --git a/include/linux/security.h b/include/linux/security.h
index c642bb8..b2b7f97 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -1662,7 +1662,7 @@
 		    const kernel_cap_t *effective,
 		    const kernel_cap_t *inheritable,
 		    const kernel_cap_t *permitted);
-int security_capable(int cap);
+int security_capable(const struct cred *cred, int cap);
 int security_real_capable(struct task_struct *tsk, int cap);
 int security_real_capable_noaudit(struct task_struct *tsk, int cap);
 int security_sysctl(struct ctl_table *table, int op);
@@ -1856,9 +1856,9 @@
 	return cap_capset(new, old, effective, inheritable, permitted);
 }
 
-static inline int security_capable(int cap)
+static inline int security_capable(const struct cred *cred, int cap)
 {
-	return cap_capable(current, current_cred(), cap, SECURITY_CAP_AUDIT);
+	return cap_capable(current, cred, cap, SECURITY_CAP_AUDIT);
 }
 
 static inline int security_real_capable(struct task_struct *tsk, int cap)
diff --git a/include/linux/thermal.h b/include/linux/thermal.h
index 8651556..d3ec89f 100644
--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -172,6 +172,14 @@
 struct thermal_cooling_device *thermal_cooling_device_register(char *, void *,
 		const struct thermal_cooling_device_ops *);
 void thermal_cooling_device_unregister(struct thermal_cooling_device *);
+
+#ifdef CONFIG_NET
 extern int generate_netlink_event(u32 orig, enum events event);
+#else
+static inline int generate_netlink_event(u32 orig, enum events event)
+{
+	return 0;
+}
+#endif
 
 #endif /* __THERMAL_H__ */
diff --git a/include/linux/usb/cdc.h b/include/linux/usb/cdc.h
index 5e86dc7..81a9279 100644
--- a/include/linux/usb/cdc.h
+++ b/include/linux/usb/cdc.h
@@ -89,7 +89,7 @@
 
 #define USB_CDC_COMM_FEATURE	0x01
 #define USB_CDC_CAP_LINE	0x02
-#define USB_CDC_CAP_BRK	0x04
+#define USB_CDC_CAP_BRK		0x04
 #define USB_CDC_CAP_NOTIFY	0x08
 
 /* "Union Functional Descriptor" from CDC spec 5.2.3.8 */
@@ -271,6 +271,11 @@
 	__le16	wLength;
 } __attribute__ ((packed));
 
+struct usb_cdc_speed_change {
+	__le32	DLBitRRate;	/* contains the downlink bit rate (IN pipe) */
+	__le32	ULBitRate;	/* contains the uplink bit rate (OUT pipe) */
+} __attribute__ ((packed));
+
 /*-------------------------------------------------------------------------*/
 
 /*
@@ -292,7 +297,7 @@
 	__le16	wNdpOutDivisor;
 	__le16	wNdpOutPayloadRemainder;
 	__le16	wNdpOutAlignment;
-	__le16	wPadding2;
+	__le16	wNtbOutMaxDatagrams;
 } __attribute__ ((packed));
 
 /*
@@ -307,7 +312,7 @@
 	__le16	wHeaderLength;
 	__le16	wSequence;
 	__le16	wBlockLength;
-	__le16	wFpIndex;
+	__le16	wNdpIndex;
 } __attribute__ ((packed));
 
 struct usb_cdc_ncm_nth32 {
@@ -315,7 +320,7 @@
 	__le16	wHeaderLength;
 	__le16	wSequence;
 	__le32	dwBlockLength;
-	__le32	dwFpIndex;
+	__le32	dwNdpIndex;
 } __attribute__ ((packed));
 
 /*
@@ -337,7 +342,7 @@
 struct usb_cdc_ncm_ndp16 {
 	__le32	dwSignature;
 	__le16	wLength;
-	__le16	wNextFpIndex;
+	__le16	wNextNdpIndex;
 	struct	usb_cdc_ncm_dpe16 dpe16[0];
 } __attribute__ ((packed));
 
@@ -375,6 +380,7 @@
 #define USB_CDC_NCM_NCAP_ENCAP_COMMAND			(1 << 2)
 #define USB_CDC_NCM_NCAP_MAX_DATAGRAM_SIZE		(1 << 3)
 #define USB_CDC_NCM_NCAP_CRC_MODE			(1 << 4)
+#define	USB_CDC_NCM_NCAP_NTB_INPUT_SIZE			(1 << 5)
 
 /* CDC NCM subclass Table 6-3: NTB Parameter Structure */
 #define USB_CDC_NCM_NTB16_SUPPORTED			(1 << 0)
@@ -392,6 +398,13 @@
 #define USB_CDC_NCM_NTB_MIN_IN_SIZE			2048
 #define USB_CDC_NCM_NTB_MIN_OUT_SIZE			2048
 
+/* NTB Input Size Structure */
+struct usb_cdc_ncm_ndp_input_size {
+	__le32	dwNtbInMaxSize;
+	__le16	wNtbInMaxDatagrams;
+	__le16	wReserved;
+} __attribute__ ((packed));
+
 /* CDC NCM subclass 6.2.11 SetCrcMode */
 #define USB_CDC_NCM_CRC_NOT_APPENDED			0x00
 #define USB_CDC_NCM_CRC_APPENDED			0x01
diff --git a/include/linux/usb/msm_hsusb_hw.h b/include/linux/usb/msm_hsusb_hw.h
index b92e173..7d1babb 100644
--- a/include/linux/usb/msm_hsusb_hw.h
+++ b/include/linux/usb/msm_hsusb_hw.h
@@ -16,12 +16,8 @@
 #ifndef __LINUX_USB_GADGET_MSM72K_UDC_H__
 #define __LINUX_USB_GADGET_MSM72K_UDC_H__
 
-#ifdef CONFIG_ARCH_MSM7X00A
-#define USB_SBUSCFG          (MSM_USB_BASE + 0x0090)
-#else
 #define USB_AHBBURST         (MSM_USB_BASE + 0x0090)
 #define USB_AHBMODE          (MSM_USB_BASE + 0x0098)
-#endif
 #define USB_CAPLENGTH        (MSM_USB_BASE + 0x0100) /* 8 bit */
 
 #define USB_USBCMD           (MSM_USB_BASE + 0x0140)
diff --git a/include/linux/virtio_console.h b/include/linux/virtio_console.h
index a85064d..e4d3335 100644
--- a/include/linux/virtio_console.h
+++ b/include/linux/virtio_console.h
@@ -7,7 +7,8 @@
  * This header, excluding the #ifdef __KERNEL__ part, is BSD licensed so
  * anyone can use the definitions to implement compatible drivers/servers.
  *
- * Copyright (C) Red Hat, Inc., 2009, 2010
+ * Copyright (C) Red Hat, Inc., 2009, 2010, 2011
+ * Copyright (C) Amit Shah <amit.shah@redhat.com>, 2009, 2010, 2011
  */
 
 /* Feature bits */
diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index 1ac1158..f7998a3 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -250,7 +250,7 @@
 enum {
 	WQ_NON_REENTRANT	= 1 << 0, /* guarantee non-reentrance */
 	WQ_UNBOUND		= 1 << 1, /* not bound to any cpu */
-	WQ_FREEZEABLE		= 1 << 2, /* freeze during suspend */
+	WQ_FREEZABLE		= 1 << 2, /* freeze during suspend */
 	WQ_MEM_RECLAIM		= 1 << 3, /* may be used for memory reclaim */
 	WQ_HIGHPRI		= 1 << 4, /* high priority */
 	WQ_CPU_INTENSIVE	= 1 << 5, /* cpu instensive workqueue */
@@ -318,7 +318,7 @@
 /**
  * alloc_ordered_workqueue - allocate an ordered workqueue
  * @name: name of the workqueue
- * @flags: WQ_* flags (only WQ_FREEZEABLE and WQ_MEM_RECLAIM are meaningful)
+ * @flags: WQ_* flags (only WQ_FREEZABLE and WQ_MEM_RECLAIM are meaningful)
  *
  * Allocate an ordered workqueue.  An ordered workqueue executes at
  * most one work item at any given time in the queued order.  They are
@@ -335,8 +335,8 @@
 
 #define create_workqueue(name)					\
 	alloc_workqueue((name), WQ_MEM_RECLAIM, 1)
-#define create_freezeable_workqueue(name)			\
-	alloc_workqueue((name), WQ_FREEZEABLE | WQ_UNBOUND | WQ_MEM_RECLAIM, 1)
+#define create_freezable_workqueue(name)			\
+	alloc_workqueue((name), WQ_FREEZABLE | WQ_UNBOUND | WQ_MEM_RECLAIM, 1)
 #define create_singlethread_workqueue(name)			\
 	alloc_workqueue((name), WQ_UNBOUND | WQ_MEM_RECLAIM, 1)
 
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 4a3cd2c..96e50e0 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -89,6 +89,18 @@
 #define IPV6_ADDR_SCOPE_GLOBAL		0x0e
 
 /*
+ *	Addr flags
+ */
+#ifdef __KERNEL__
+#define IPV6_ADDR_MC_FLAG_TRANSIENT(a)	\
+	((a)->s6_addr[1] & 0x10)
+#define IPV6_ADDR_MC_FLAG_PREFIX(a)	\
+	((a)->s6_addr[1] & 0x20)
+#define IPV6_ADDR_MC_FLAG_RENDEZVOUS(a)	\
+	((a)->s6_addr[1] & 0x40)
+#endif
+
+/*
  *	fragmentation header
  */
 
diff --git a/include/net/netfilter/nf_tproxy_core.h b/include/net/netfilter/nf_tproxy_core.h
index cd85b3b..e505358 100644
--- a/include/net/netfilter/nf_tproxy_core.h
+++ b/include/net/netfilter/nf_tproxy_core.h
@@ -201,18 +201,8 @@
 }
 #endif
 
-static inline void
-nf_tproxy_put_sock(struct sock *sk)
-{
-	/* TIME_WAIT inet sockets have to be handled differently */
-	if ((sk->sk_protocol == IPPROTO_TCP) && (sk->sk_state == TCP_TIME_WAIT))
-		inet_twsk_put(inet_twsk(sk));
-	else
-		sock_put(sk);
-}
-
 /* assign a socket to the skb -- consumes sk */
-int
+void
 nf_tproxy_assign_sock(struct sk_buff *skb, struct sock *sk);
 
 #endif
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 160a407..04f8556 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -199,7 +199,7 @@
 
 struct qdisc_skb_cb {
 	unsigned int		pkt_len;
-	char			data[];
+	long			data[];
 };
 
 static inline int qdisc_qlen(struct Qdisc *q)
diff --git a/include/pcmcia/ds.h b/include/pcmcia/ds.h
index 8479b66..3fd5064 100644
--- a/include/pcmcia/ds.h
+++ b/include/pcmcia/ds.h
@@ -261,6 +261,7 @@
 #define CONF_ENABLE_ESR         0x0008
 #define CONF_ENABLE_IOCARD	0x0010 /* auto-enabled if IO resources or IRQ
 					* (CONF_ENABLE_IRQ) in use */
+#define CONF_ENABLE_ZVCARD	0x0020
 
 /* flags used by pcmcia_loop_config() autoconfiguration */
 #define CONF_AUTO_CHECK_VCC	0x0100 /* check for matching Vcc? */
diff --git a/include/sound/wm8903.h b/include/sound/wm8903.h
index b4a0db23..1eeebd5 100644
--- a/include/sound/wm8903.h
+++ b/include/sound/wm8903.h
@@ -17,13 +17,9 @@
 /*
  * R6 (0x06) - Mic Bias Control 0
  */
-#define WM8903_MICDET_HYST_ENA                  0x0080  /* MICDET_HYST_ENA */
-#define WM8903_MICDET_HYST_ENA_MASK             0x0080  /* MICDET_HYST_ENA */
-#define WM8903_MICDET_HYST_ENA_SHIFT                 7  /* MICDET_HYST_ENA */
-#define WM8903_MICDET_HYST_ENA_WIDTH                 1  /* MICDET_HYST_ENA */
-#define WM8903_MICDET_THR_MASK                  0x0070  /* MICDET_THR - [6:4] */
-#define WM8903_MICDET_THR_SHIFT                      4  /* MICDET_THR - [6:4] */
-#define WM8903_MICDET_THR_WIDTH                      3  /* MICDET_THR - [6:4] */
+#define WM8903_MICDET_THR_MASK                  0x0030  /* MICDET_THR - [5:4] */
+#define WM8903_MICDET_THR_SHIFT                      4  /* MICDET_THR - [5:4] */
+#define WM8903_MICDET_THR_WIDTH                      2  /* MICDET_THR - [5:4] */
 #define WM8903_MICSHORT_THR_MASK                0x000C  /* MICSHORT_THR - [3:2] */
 #define WM8903_MICSHORT_THR_SHIFT                    2  /* MICSHORT_THR - [3:2] */
 #define WM8903_MICSHORT_THR_WIDTH                    2  /* MICSHORT_THR - [3:2] */
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index 07fdfb6..0828b6c 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -8,7 +8,6 @@
 #include <scsi/scsi_cmnd.h>
 #include <net/sock.h>
 #include <net/tcp.h>
-#include "target_core_mib.h"
 
 #define TARGET_CORE_MOD_VERSION		"v4.0.0-rc6"
 #define SHUTDOWN_SIGS	(sigmask(SIGKILL)|sigmask(SIGINT)|sigmask(SIGABRT))
@@ -195,6 +194,21 @@
 	SAM_TASK_ATTR_EMULATED
 } t10_task_attr_index_t;
 
+/*
+ * Used for target SCSI statistics
+ */
+typedef enum {
+	SCSI_INST_INDEX,
+	SCSI_DEVICE_INDEX,
+	SCSI_AUTH_INTR_INDEX,
+	SCSI_INDEX_TYPE_MAX
+} scsi_index_t;
+
+struct scsi_index_table {
+	spinlock_t	lock;
+	u32		scsi_mib_index[SCSI_INDEX_TYPE_MAX];
+} ____cacheline_aligned;
+
 struct se_cmd;
 
 struct t10_alua {
@@ -578,8 +592,6 @@
 	spinlock_t		stats_lock;
 	/* Used for PR SPEC_I_PT=1 and REGISTER_AND_MOVE */
 	atomic_t		acl_pr_ref_count;
-	/* Used for MIB access */
-	atomic_t		mib_ref_count;
 	struct se_dev_entry	*device_list;
 	struct se_session	*nacl_sess;
 	struct se_portal_group *se_tpg;
@@ -595,8 +607,6 @@
 } ____cacheline_aligned;
 
 struct se_session {
-	/* Used for MIB access */
-	atomic_t		mib_ref_count;
 	u64			sess_bin_isid;
 	struct se_node_acl	*se_node_acl;
 	struct se_portal_group *se_tpg;
@@ -806,7 +816,6 @@
 	/* Virtual iSCSI devices attached. */
 	u32			dev_count;
 	u32			hba_index;
-	atomic_t		dev_mib_access_count;
 	atomic_t		load_balance_queue;
 	atomic_t		left_queue_depth;
 	/* Maximum queue depth the HBA can handle. */
@@ -845,6 +854,12 @@
 
 #define SE_LUN(c)		((struct se_lun *)(c)->se_lun)
 
+struct scsi_port_stats {
+       u64     cmd_pdus;
+       u64     tx_data_octets;
+       u64     rx_data_octets;
+} ____cacheline_aligned;
+
 struct se_port {
 	/* RELATIVE TARGET PORT IDENTIFER */
 	u16		sep_rtpi;
@@ -867,6 +882,7 @@
 } ____cacheline_aligned;
 
 struct se_tpg_np {
+	struct se_portal_group *tpg_np_parent;
 	struct config_group	tpg_np_group;
 } ____cacheline_aligned;
 
diff --git a/include/target/target_core_transport.h b/include/target/target_core_transport.h
index 66f44e5..2469405 100644
--- a/include/target/target_core_transport.h
+++ b/include/target/target_core_transport.h
@@ -111,6 +111,8 @@
 
 extern int init_se_global(void);
 extern void release_se_global(void);
+extern void init_scsi_index_table(void);
+extern u32 scsi_get_new_index(scsi_index_t);
 extern void transport_init_queue_obj(struct se_queue_obj *);
 extern int transport_subsystem_check_init(void);
 extern int transport_subsystem_register(struct se_subsystem_api *);
diff --git a/init/calibrate.c b/init/calibrate.c
index 6eb48e5..24fe022 100644
--- a/init/calibrate.c
+++ b/init/calibrate.c
@@ -66,7 +66,7 @@
 		pre_start = 0;
 		read_current_timer(&start);
 		start_jiffies = jiffies;
-		while (jiffies <= (start_jiffies + 1)) {
+		while (time_before_eq(jiffies, start_jiffies + 1)) {
 			pre_start = start;
 			read_current_timer(&start);
 		}
@@ -74,8 +74,8 @@
 
 		pre_end = 0;
 		end = post_start;
-		while (jiffies <=
-		       (start_jiffies + 1 + DELAY_CALIBRATION_TICKS)) {
+		while (time_before_eq(jiffies, start_jiffies + 1 +
+					       DELAY_CALIBRATION_TICKS)) {
 			pre_end = end;
 			read_current_timer(&end);
 		}
diff --git a/kernel/capability.c b/kernel/capability.c
index 2f05303..9e9385f 100644
--- a/kernel/capability.c
+++ b/kernel/capability.c
@@ -306,7 +306,7 @@
 		BUG();
 	}
 
-	if (security_capable(cap) == 0) {
+	if (security_capable(current_cred(), cap) == 0) {
 		current->flags |= PF_SUPERPRIV;
 		return 1;
 	}
diff --git a/kernel/cred.c b/kernel/cred.c
index 6a1aa00..3a9d6dd 100644
--- a/kernel/cred.c
+++ b/kernel/cred.c
@@ -252,13 +252,13 @@
 #endif
 
 	atomic_set(&new->usage, 1);
+#ifdef CONFIG_DEBUG_CREDENTIALS
+	new->magic = CRED_MAGIC;
+#endif
 
 	if (security_cred_alloc_blank(new, GFP_KERNEL) < 0)
 		goto error;
 
-#ifdef CONFIG_DEBUG_CREDENTIALS
-	new->magic = CRED_MAGIC;
-#endif
 	return new;
 
 error:
@@ -657,6 +657,8 @@
 	validate_creds(old);
 
 	*new = *old;
+	atomic_set(&new->usage, 1);
+	set_cred_subscribers(new, 0);
 	get_uid(new->user);
 	get_group_info(new->group_info);
 
@@ -674,8 +676,6 @@
 	if (security_prepare_creds(new, old, GFP_KERNEL) < 0)
 		goto error;
 
-	atomic_set(&new->usage, 1);
-	set_cred_subscribers(new, 0);
 	put_cred(old);
 	validate_creds(new);
 	return new;
@@ -748,7 +748,11 @@
 	if (cred->magic != CRED_MAGIC)
 		return true;
 #ifdef CONFIG_SECURITY_SELINUX
-	if (selinux_is_enabled()) {
+	/*
+	 * cred->security == NULL if security_cred_alloc_blank() or
+	 * security_prepare_creds() returned an error.
+	 */
+	if (selinux_is_enabled() && cred->security) {
 		if ((unsigned long) cred->security < PAGE_SIZE)
 			return true;
 		if ((*(u32 *)cred->security & 0xffffff00) ==
diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h
index 4571ae7..99c3bc8 100644
--- a/kernel/irq/internals.h
+++ b/kernel/irq/internals.h
@@ -3,6 +3,12 @@
  */
 #include <linux/irqdesc.h>
 
+#ifdef CONFIG_SPARSE_IRQ
+# define IRQ_BITMAP_BITS	(NR_IRQS + 8196)
+#else
+# define IRQ_BITMAP_BITS	NR_IRQS
+#endif
+
 extern int noirqdebug;
 
 #define irq_data_to_desc(data)	container_of(data, struct irq_desc, irq_data)
diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
index 282f202..2039bea 100644
--- a/kernel/irq/irqdesc.c
+++ b/kernel/irq/irqdesc.c
@@ -94,7 +94,7 @@
 EXPORT_SYMBOL_GPL(nr_irqs);
 
 static DEFINE_MUTEX(sparse_irq_lock);
-static DECLARE_BITMAP(allocated_irqs, NR_IRQS);
+static DECLARE_BITMAP(allocated_irqs, IRQ_BITMAP_BITS);
 
 #ifdef CONFIG_SPARSE_IRQ
 
@@ -217,6 +217,15 @@
 	initcnt = arch_probe_nr_irqs();
 	printk(KERN_INFO "NR_IRQS:%d nr_irqs:%d %d\n", NR_IRQS, nr_irqs, initcnt);
 
+	if (WARN_ON(nr_irqs > IRQ_BITMAP_BITS))
+		nr_irqs = IRQ_BITMAP_BITS;
+
+	if (WARN_ON(initcnt > IRQ_BITMAP_BITS))
+		initcnt = IRQ_BITMAP_BITS;
+
+	if (initcnt > nr_irqs)
+		nr_irqs = initcnt;
+
 	for (i = 0; i < initcnt; i++) {
 		desc = alloc_desc(i, node);
 		set_bit(i, allocated_irqs);
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 0caa59f..9033c1c 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -1100,7 +1100,7 @@
 	if (retval)
 		kfree(action);
 
-#ifdef CONFIG_DEBUG_SHIRQ
+#ifdef CONFIG_DEBUG_SHIRQ_FIXME
 	if (!retval && (irqflags & IRQF_SHARED)) {
 		/*
 		 * It's a shared IRQ -- the driver ought to be prepared for it
diff --git a/kernel/irq/resend.c b/kernel/irq/resend.c
index 891115a..dc49358 100644
--- a/kernel/irq/resend.c
+++ b/kernel/irq/resend.c
@@ -23,7 +23,7 @@
 #ifdef CONFIG_HARDIRQS_SW_RESEND
 
 /* Bitmap to handle software resend of interrupts: */
-static DECLARE_BITMAP(irqs_resend, NR_IRQS);
+static DECLARE_BITMAP(irqs_resend, IRQ_BITMAP_BITS);
 
 /*
  * Run software resends of IRQ's
diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index 999835b..656222f 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -782,6 +782,10 @@
 	raw_spin_unlock_irq(&ctx->lock);
 }
 
+#define MAX_INTERRUPTS (~0ULL)
+
+static void perf_log_throttle(struct perf_event *event, int enable);
+
 static int
 event_sched_in(struct perf_event *event,
 		 struct perf_cpu_context *cpuctx,
@@ -794,6 +798,17 @@
 
 	event->state = PERF_EVENT_STATE_ACTIVE;
 	event->oncpu = smp_processor_id();
+
+	/*
+	 * Unthrottle events, since we scheduled we might have missed several
+	 * ticks already, also for a heavily scheduling task there is little
+	 * guarantee it'll get a tick in a timely manner.
+	 */
+	if (unlikely(event->hw.interrupts == MAX_INTERRUPTS)) {
+		perf_log_throttle(event, 1);
+		event->hw.interrupts = 0;
+	}
+
 	/*
 	 * The new state must be visible before we turn it on in the hardware:
 	 */
@@ -1596,10 +1611,6 @@
 	}
 }
 
-#define MAX_INTERRUPTS (~0ULL)
-
-static void perf_log_throttle(struct perf_event *event, int enable);
-
 static u64 perf_calculate_period(struct perf_event *event, u64 nsec, u64 count)
 {
 	u64 frequency = event->attr.sample_freq;
diff --git a/kernel/power/main.c b/kernel/power/main.c
index 7b5db6a..7018530 100644
--- a/kernel/power/main.c
+++ b/kernel/power/main.c
@@ -326,7 +326,7 @@
 
 static int __init pm_start_workqueue(void)
 {
-	pm_wq = alloc_workqueue("pm", WQ_FREEZEABLE, 0);
+	pm_wq = alloc_workqueue("pm", WQ_FREEZABLE, 0);
 
 	return pm_wq ? 0 : -ENOMEM;
 }
diff --git a/kernel/power/process.c b/kernel/power/process.c
index d6d2a10..0cf3a27 100644
--- a/kernel/power/process.c
+++ b/kernel/power/process.c
@@ -22,7 +22,7 @@
  */
 #define TIMEOUT	(20 * HZ)
 
-static inline int freezeable(struct task_struct * p)
+static inline int freezable(struct task_struct * p)
 {
 	if ((p == current) ||
 	    (p->flags & PF_NOFREEZE) ||
@@ -53,7 +53,7 @@
 		todo = 0;
 		read_lock(&tasklist_lock);
 		do_each_thread(g, p) {
-			if (frozen(p) || !freezeable(p))
+			if (frozen(p) || !freezable(p))
 				continue;
 
 			if (!freeze_task(p, sig_only))
@@ -167,7 +167,7 @@
 
 	read_lock(&tasklist_lock);
 	do_each_thread(g, p) {
-		if (!freezeable(p))
+		if (!freezable(p))
 			continue;
 
 		if (nosig_only && should_send_signal(p))
diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c
index 0dac75e..64db648 100644
--- a/kernel/power/snapshot.c
+++ b/kernel/power/snapshot.c
@@ -1519,11 +1519,8 @@
 swsusp_alloc(struct memory_bitmap *orig_bm, struct memory_bitmap *copy_bm,
 		unsigned int nr_pages, unsigned int nr_highmem)
 {
-	int error = 0;
-
 	if (nr_highmem > 0) {
-		error = get_highmem_buffer(PG_ANY);
-		if (error)
+		if (get_highmem_buffer(PG_ANY))
 			goto err_out;
 		if (nr_highmem > alloc_highmem) {
 			nr_highmem -= alloc_highmem;
@@ -1546,7 +1543,7 @@
 
  err_out:
 	swsusp_free();
-	return error;
+	return -ENOMEM;
 }
 
 asmlinkage int swsusp_save(void)
diff --git a/kernel/printk.c b/kernel/printk.c
index 2ddbdc7..3623152 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -262,25 +262,47 @@
 int dmesg_restrict;
 #endif
 
+static int syslog_action_restricted(int type)
+{
+	if (dmesg_restrict)
+		return 1;
+	/* Unless restricted, we allow "read all" and "get buffer size" for everybody */
+	return type != SYSLOG_ACTION_READ_ALL && type != SYSLOG_ACTION_SIZE_BUFFER;
+}
+
+static int check_syslog_permissions(int type, bool from_file)
+{
+	/*
+	 * If this is from /proc/kmsg and we've already opened it, then we've
+	 * already done the capabilities checks at open time.
+	 */
+	if (from_file && type != SYSLOG_ACTION_OPEN)
+		return 0;
+
+	if (syslog_action_restricted(type)) {
+		if (capable(CAP_SYSLOG))
+			return 0;
+		/* For historical reasons, accept CAP_SYS_ADMIN too, with a warning */
+		if (capable(CAP_SYS_ADMIN)) {
+			WARN_ONCE(1, "Attempt to access syslog with CAP_SYS_ADMIN "
+				 "but no CAP_SYSLOG (deprecated).\n");
+			return 0;
+		}
+		return -EPERM;
+	}
+	return 0;
+}
+
 int do_syslog(int type, char __user *buf, int len, bool from_file)
 {
 	unsigned i, j, limit, count;
 	int do_clear = 0;
 	char c;
-	int error = 0;
+	int error;
 
-	/*
-	 * If this is from /proc/kmsg we only do the capabilities checks
-	 * at open time.
-	 */
-	if (type == SYSLOG_ACTION_OPEN || !from_file) {
-		if (dmesg_restrict && !capable(CAP_SYSLOG))
-			goto warn; /* switch to return -EPERM after 2.6.39 */
-		if ((type != SYSLOG_ACTION_READ_ALL &&
-		     type != SYSLOG_ACTION_SIZE_BUFFER) &&
-		    !capable(CAP_SYSLOG))
-			goto warn; /* switch to return -EPERM after 2.6.39 */
-	}
+	error = check_syslog_permissions(type, from_file);
+	if (error)
+		goto out;
 
 	error = security_syslog(type);
 	if (error)
@@ -423,12 +445,6 @@
 	}
 out:
 	return error;
-warn:
-	/* remove after 2.6.39 */
-	if (capable(CAP_SYS_ADMIN))
-		WARN_ONCE(1, "Attempt to access syslog with CAP_SYS_ADMIN "
-		  "but no CAP_SYSLOG (deprecated and denied).\n");
-	return -EPERM;
 }
 
 SYSCALL_DEFINE3(syslog, int, type, char __user *, buf, int, len)
diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index 99bbaa3..1708b1e 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -313,7 +313,7 @@
 		child->exit_code = data;
 		dead = __ptrace_detach(current, child);
 		if (!child->exit_state)
-			wake_up_process(child);
+			wake_up_state(child, TASK_TRACED | TASK_STOPPED);
 	}
 	write_unlock_irq(&tasklist_lock);
 
diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c
index 48b2761..a3b5aff 100644
--- a/kernel/time/tick-broadcast.c
+++ b/kernel/time/tick-broadcast.c
@@ -600,4 +600,14 @@
 	return tick_broadcast_device.mode == TICKDEV_MODE_ONESHOT;
 }
 
+/*
+ * Check whether the broadcast device supports oneshot.
+ */
+bool tick_broadcast_oneshot_available(void)
+{
+	struct clock_event_device *bc = tick_broadcast_device.evtdev;
+
+	return bc ? bc->features & CLOCK_EVT_FEAT_ONESHOT : false;
+}
+
 #endif
diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c
index 051bc80..ed228ef 100644
--- a/kernel/time/tick-common.c
+++ b/kernel/time/tick-common.c
@@ -51,7 +51,11 @@
 {
 	struct clock_event_device *dev = __this_cpu_read(tick_cpu_device.evtdev);
 
-	return dev && (dev->features & CLOCK_EVT_FEAT_ONESHOT);
+	if (!dev || !(dev->features & CLOCK_EVT_FEAT_ONESHOT))
+		return 0;
+	if (!(dev->features & CLOCK_EVT_FEAT_C3STOP))
+		return 1;
+	return tick_broadcast_oneshot_available();
 }
 
 /*
diff --git a/kernel/time/tick-internal.h b/kernel/time/tick-internal.h
index 290eefb..f65d3a7 100644
--- a/kernel/time/tick-internal.h
+++ b/kernel/time/tick-internal.h
@@ -36,6 +36,7 @@
 extern int tick_resume_broadcast_oneshot(struct clock_event_device *bc);
 extern int tick_broadcast_oneshot_active(void);
 extern void tick_check_oneshot_broadcast(int cpu);
+bool tick_broadcast_oneshot_available(void);
 # else /* BROADCAST */
 static inline void tick_broadcast_setup_oneshot(struct clock_event_device *bc)
 {
@@ -46,6 +47,7 @@
 static inline void tick_shutdown_broadcast_oneshot(unsigned int *cpup) { }
 static inline int tick_broadcast_oneshot_active(void) { return 0; }
 static inline void tick_check_oneshot_broadcast(int cpu) { }
+static inline bool tick_broadcast_oneshot_available(void) { return true; }
 # endif /* !BROADCAST */
 
 #else /* !ONESHOT */
@@ -76,6 +78,7 @@
 	return 0;
 }
 static inline int tick_broadcast_oneshot_active(void) { return 0; }
+static inline bool tick_broadcast_oneshot_available(void) { return false; }
 #endif /* !TICK_ONESHOT */
 
 /*
diff --git a/kernel/time/timer_list.c b/kernel/time/timer_list.c
index 32a19f9..3258455 100644
--- a/kernel/time/timer_list.c
+++ b/kernel/time/timer_list.c
@@ -41,7 +41,7 @@
 	char symname[KSYM_NAME_LEN];
 
 	if (lookup_symbol_name((unsigned long)sym, symname) < 0)
-		SEQ_printf(m, "<%p>", sym);
+		SEQ_printf(m, "<%pK>", sym);
 	else
 		SEQ_printf(m, "%s", symname);
 }
@@ -112,7 +112,7 @@
 static void
 print_base(struct seq_file *m, struct hrtimer_clock_base *base, u64 now)
 {
-	SEQ_printf(m, "  .base:       %p\n", base);
+	SEQ_printf(m, "  .base:       %pK\n", base);
 	SEQ_printf(m, "  .index:      %d\n",
 			base->index);
 	SEQ_printf(m, "  .resolution: %Lu nsecs\n",
diff --git a/kernel/timer.c b/kernel/timer.c
index d53ce66..d645992 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -959,7 +959,7 @@
  *
  * Synchronization rules: Callers must prevent restarting of the timer,
  * otherwise this function is meaningless. It must not be called from
- * hardirq contexts. The caller must not hold locks which would prevent
+ * interrupt contexts. The caller must not hold locks which would prevent
  * completion of the timer's handler. The timer's handler must not call
  * add_timer_on(). Upon exit the timer is not queued and the handler is
  * not running on any CPU.
@@ -971,12 +971,10 @@
 #ifdef CONFIG_LOCKDEP
 	unsigned long flags;
 
-	raw_local_irq_save(flags);
-	local_bh_disable();
+	local_irq_save(flags);
 	lock_map_acquire(&timer->lockdep_map);
 	lock_map_release(&timer->lockdep_map);
-	_local_bh_enable();
-	raw_local_irq_restore(flags);
+	local_irq_restore(flags);
 #endif
 	/*
 	 * don't use it in hardirq context, because it
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index 153562d..d95721f 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -138,6 +138,13 @@
 		     !blk_tracer_enabled))
 		return;
 
+	/*
+	 * If the BLK_TC_NOTIFY action mask isn't set, don't send any note
+	 * message to the trace.
+	 */
+	if (!(bt->act_mask & BLK_TC_NOTIFY))
+		return;
+
 	local_irq_save(flags);
 	buf = per_cpu_ptr(bt->msg_data, smp_processor_id());
 	va_start(args, fmt);
diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index f37f974..18bb157 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -363,8 +363,14 @@
 		goto out_save;
 	}
 
-	printk(KERN_ERR "NMI watchdog disabled for cpu%i: unable to create perf event: %ld\n",
-	       cpu, PTR_ERR(event));
+
+	/* vary the KERN level based on the returned errno */
+	if (PTR_ERR(event) == -EOPNOTSUPP)
+		printk(KERN_INFO "NMI watchdog disabled (cpu%i): not supported (no LAPIC?)\n", cpu);
+	else if (PTR_ERR(event) == -ENOENT)
+		printk(KERN_WARNING "NMI watchdog disabled (cpu%i): hardware events not enabled\n", cpu);
+	else
+		printk(KERN_ERR "NMI watchdog disabled (cpu%i): unable to create perf event: %ld\n", cpu, PTR_ERR(event));
 	return PTR_ERR(event);
 
 	/* success path */
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 11869fa..ee6578b 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -79,7 +79,9 @@
 	MAX_IDLE_WORKERS_RATIO	= 4,		/* 1/4 of busy can be idle */
 	IDLE_WORKER_TIMEOUT	= 300 * HZ,	/* keep idle ones for 5 mins */
 
-	MAYDAY_INITIAL_TIMEOUT	= HZ / 100,	/* call for help after 10ms */
+	MAYDAY_INITIAL_TIMEOUT  = HZ / 100 >= 2 ? HZ / 100 : 2,
+						/* call for help after 10ms
+						   (min two ticks) */
 	MAYDAY_INTERVAL		= HZ / 10,	/* and then every 100ms */
 	CREATE_COOLDOWN		= HZ,		/* time to breath after fail */
 	TRUSTEE_COOLDOWN	= HZ / 10,	/* for trustee draining */
@@ -2047,6 +2049,15 @@
 				move_linked_works(work, scheduled, &n);
 
 		process_scheduled_works(rescuer);
+
+		/*
+		 * Leave this gcwq.  If keep_working() is %true, notify a
+		 * regular worker; otherwise, we end up with 0 concurrency
+		 * and stalling the execution.
+		 */
+		if (keep_working(gcwq))
+			wake_up_worker(gcwq);
+
 		spin_unlock_irq(&gcwq->lock);
 	}
 
@@ -2956,7 +2967,7 @@
 	 */
 	spin_lock(&workqueue_lock);
 
-	if (workqueue_freezing && wq->flags & WQ_FREEZEABLE)
+	if (workqueue_freezing && wq->flags & WQ_FREEZABLE)
 		for_each_cwq_cpu(cpu, wq)
 			get_cwq(cpu, wq)->max_active = 0;
 
@@ -3068,7 +3079,7 @@
 
 		spin_lock_irq(&gcwq->lock);
 
-		if (!(wq->flags & WQ_FREEZEABLE) ||
+		if (!(wq->flags & WQ_FREEZABLE) ||
 		    !(gcwq->flags & GCWQ_FREEZING))
 			get_cwq(gcwq->cpu, wq)->max_active = max_active;
 
@@ -3318,7 +3329,7 @@
 	 * want to get it over with ASAP - spam rescuers, wake up as
 	 * many idlers as necessary and create new ones till the
 	 * worklist is empty.  Note that if the gcwq is frozen, there
-	 * may be frozen works in freezeable cwqs.  Don't declare
+	 * may be frozen works in freezable cwqs.  Don't declare
 	 * completion while frozen.
 	 */
 	while (gcwq->nr_workers != gcwq->nr_idle ||
@@ -3576,9 +3587,9 @@
 /**
  * freeze_workqueues_begin - begin freezing workqueues
  *
- * Start freezing workqueues.  After this function returns, all
- * freezeable workqueues will queue new works to their frozen_works
- * list instead of gcwq->worklist.
+ * Start freezing workqueues.  After this function returns, all freezable
+ * workqueues will queue new works to their frozen_works list instead of
+ * gcwq->worklist.
  *
  * CONTEXT:
  * Grabs and releases workqueue_lock and gcwq->lock's.
@@ -3604,7 +3615,7 @@
 		list_for_each_entry(wq, &workqueues, list) {
 			struct cpu_workqueue_struct *cwq = get_cwq(cpu, wq);
 
-			if (cwq && wq->flags & WQ_FREEZEABLE)
+			if (cwq && wq->flags & WQ_FREEZABLE)
 				cwq->max_active = 0;
 		}
 
@@ -3615,7 +3626,7 @@
 }
 
 /**
- * freeze_workqueues_busy - are freezeable workqueues still busy?
+ * freeze_workqueues_busy - are freezable workqueues still busy?
  *
  * Check whether freezing is complete.  This function must be called
  * between freeze_workqueues_begin() and thaw_workqueues().
@@ -3624,8 +3635,8 @@
  * Grabs and releases workqueue_lock.
  *
  * RETURNS:
- * %true if some freezeable workqueues are still busy.  %false if
- * freezing is complete.
+ * %true if some freezable workqueues are still busy.  %false if freezing
+ * is complete.
  */
 bool freeze_workqueues_busy(void)
 {
@@ -3645,7 +3656,7 @@
 		list_for_each_entry(wq, &workqueues, list) {
 			struct cpu_workqueue_struct *cwq = get_cwq(cpu, wq);
 
-			if (!cwq || !(wq->flags & WQ_FREEZEABLE))
+			if (!cwq || !(wq->flags & WQ_FREEZABLE))
 				continue;
 
 			BUG_ON(cwq->nr_active < 0);
@@ -3690,7 +3701,7 @@
 		list_for_each_entry(wq, &workqueues, list) {
 			struct cpu_workqueue_struct *cwq = get_cwq(cpu, wq);
 
-			if (!cwq || !(wq->flags & WQ_FREEZEABLE))
+			if (!cwq || !(wq->flags & WQ_FREEZABLE))
 				continue;
 
 			/* restore max_active and repopulate worklist */
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 3967c235..2b97418 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -805,7 +805,7 @@
 config FRAME_POINTER
 	bool "Compile the kernel with frame pointers"
 	depends on DEBUG_KERNEL && \
-		(CRIS || M68K || M68KNOMMU || FRV || UML || \
+		(CRIS || M68K || FRV || UML || \
 		 AVR32 || SUPERH || BLACKFIN || MN10300) || \
 		ARCH_WANT_FRAME_POINTERS
 	default y if (DEBUG_INFO && UML) || ARCH_WANT_FRAME_POINTERS
diff --git a/lib/list_debug.c b/lib/list_debug.c
index 344c710..b8029a5 100644
--- a/lib/list_debug.c
+++ b/lib/list_debug.c
@@ -35,6 +35,31 @@
 }
 EXPORT_SYMBOL(__list_add);
 
+void __list_del_entry(struct list_head *entry)
+{
+	struct list_head *prev, *next;
+
+	prev = entry->prev;
+	next = entry->next;
+
+	if (WARN(next == LIST_POISON1,
+		"list_del corruption, %p->next is LIST_POISON1 (%p)\n",
+		entry, LIST_POISON1) ||
+	    WARN(prev == LIST_POISON2,
+		"list_del corruption, %p->prev is LIST_POISON2 (%p)\n",
+		entry, LIST_POISON2) ||
+	    WARN(prev->next != entry,
+		"list_del corruption. prev->next should be %p, "
+		"but was %p\n", entry, prev->next) ||
+	    WARN(next->prev != entry,
+		"list_del corruption. next->prev should be %p, "
+		"but was %p\n", entry, next->prev))
+		return;
+
+	__list_del(prev, next);
+}
+EXPORT_SYMBOL(__list_del_entry);
+
 /**
  * list_del - deletes entry from list.
  * @entry: the element to delete from the list.
@@ -43,19 +68,7 @@
  */
 void list_del(struct list_head *entry)
 {
-	WARN(entry->next == LIST_POISON1,
-		"list_del corruption, next is LIST_POISON1 (%p)\n",
-		LIST_POISON1);
-	WARN(entry->next != LIST_POISON1 && entry->prev == LIST_POISON2,
-		"list_del corruption, prev is LIST_POISON2 (%p)\n",
-		LIST_POISON2);
-	WARN(entry->prev->next != entry,
-		"list_del corruption. prev->next should be %p, "
-		"but was %p\n", entry, entry->prev->next);
-	WARN(entry->next->prev != entry,
-		"list_del corruption. next->prev should be %p, "
-		"but was %p\n", entry, entry->next->prev);
-	__list_del(entry->prev, entry->next);
+	__list_del_entry(entry);
 	entry->next = LIST_POISON1;
 	entry->prev = LIST_POISON2;
 }
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index c47bbe1..93ca08b 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -686,8 +686,10 @@
 	/*
 	 * Ensure that the address returned is DMA'ble
 	 */
-	if (!dma_capable(dev, dev_addr, size))
-		panic("map_single: bounce buffer is not DMA'ble");
+	if (!dma_capable(dev, dev_addr, size)) {
+		swiotlb_tbl_unmap_single(dev, map, size, dir);
+		dev_addr = swiotlb_virt_to_bus(dev, io_tlb_overflow_buffer);
+	}
 
 	return dev_addr;
 }
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index b6c1ce3..3e29781 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1811,6 +1811,8 @@
 	/* VM_PFNMAP vmas may have vm_ops null but vm_file set */
 	if (!vma->anon_vma || vma->vm_ops || vma->vm_file)
 		goto out;
+	if (is_vma_temporary_stack(vma))
+		goto out;
 	VM_BUG_ON(is_linear_pfn_mapping(vma) || is_pfn_mapping(vma));
 
 	pgd = pgd_offset(mm, address);
@@ -1852,7 +1854,6 @@
 		set_pmd_at(mm, address, pmd, _pmd);
 		spin_unlock(&mm->page_table_lock);
 		anon_vma_unlock(vma->anon_vma);
-		mem_cgroup_uncharge_page(new_page);
 		goto out;
 	}
 
@@ -1898,6 +1899,7 @@
 	return;
 
 out:
+	mem_cgroup_uncharge_page(new_page);
 #ifdef CONFIG_NUMA
 	put_page(new_page);
 #endif
@@ -2032,32 +2034,27 @@
 		if ((!(vma->vm_flags & VM_HUGEPAGE) &&
 		     !khugepaged_always()) ||
 		    (vma->vm_flags & VM_NOHUGEPAGE)) {
+		skip:
 			progress++;
 			continue;
 		}
-
 		/* VM_PFNMAP vmas may have vm_ops null but vm_file set */
-		if (!vma->anon_vma || vma->vm_ops || vma->vm_file) {
-			khugepaged_scan.address = vma->vm_end;
-			progress++;
-			continue;
-		}
+		if (!vma->anon_vma || vma->vm_ops || vma->vm_file)
+			goto skip;
+		if (is_vma_temporary_stack(vma))
+			goto skip;
+
 		VM_BUG_ON(is_linear_pfn_mapping(vma) || is_pfn_mapping(vma));
 
 		hstart = (vma->vm_start + ~HPAGE_PMD_MASK) & HPAGE_PMD_MASK;
 		hend = vma->vm_end & HPAGE_PMD_MASK;
-		if (hstart >= hend) {
-			progress++;
-			continue;
-		}
+		if (hstart >= hend)
+			goto skip;
+		if (khugepaged_scan.address > hend)
+			goto skip;
 		if (khugepaged_scan.address < hstart)
 			khugepaged_scan.address = hstart;
-		if (khugepaged_scan.address > hend) {
-			khugepaged_scan.address = hend + HPAGE_PMD_SIZE;
-			progress++;
-			continue;
-		}
-		BUG_ON(khugepaged_scan.address & ~HPAGE_PMD_MASK);
+		VM_BUG_ON(khugepaged_scan.address & ~HPAGE_PMD_MASK);
 
 		while (khugepaged_scan.address < hend) {
 			int ret;
@@ -2086,7 +2083,7 @@
 breakouterloop_mmap_sem:
 
 	spin_lock(&khugepaged_mm_lock);
-	BUG_ON(khugepaged_scan.mm_slot != mm_slot);
+	VM_BUG_ON(khugepaged_scan.mm_slot != mm_slot);
 	/*
 	 * Release the current mm_slot if this mm is about to die, or
 	 * if we scanned all vmas of this mm.
@@ -2241,9 +2238,9 @@
 
 	for (;;) {
 		mutex_unlock(&khugepaged_mutex);
-		BUG_ON(khugepaged_thread != current);
+		VM_BUG_ON(khugepaged_thread != current);
 		khugepaged_loop();
-		BUG_ON(khugepaged_thread != current);
+		VM_BUG_ON(khugepaged_thread != current);
 
 		mutex_lock(&khugepaged_mutex);
 		if (!khugepaged_enabled())
diff --git a/mm/memblock.c b/mm/memblock.c
index bdba245..4618fda 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -137,8 +137,6 @@
 
 	BUG_ON(0 == size);
 
-	size = memblock_align_up(size, align);
-
 	/* Pump up max_addr */
 	if (end == MEMBLOCK_ALLOC_ACCESSIBLE)
 		end = memblock.current_limit;
diff --git a/mm/memory.c b/mm/memory.c
index 31250fa..5823698 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2219,7 +2219,6 @@
 							 &ptl);
 			if (!pte_same(*page_table, orig_pte)) {
 				unlock_page(old_page);
-				page_cache_release(old_page);
 				goto unlock;
 			}
 			page_cache_release(old_page);
@@ -2289,7 +2288,6 @@
 							 &ptl);
 			if (!pte_same(*page_table, orig_pte)) {
 				unlock_page(old_page);
-				page_cache_release(old_page);
 				goto unlock;
 			}
 
@@ -2367,16 +2365,6 @@
 	}
 	__SetPageUptodate(new_page);
 
-	/*
-	 * Don't let another task, with possibly unlocked vma,
-	 * keep the mlocked page.
-	 */
-	if ((vma->vm_flags & VM_LOCKED) && old_page) {
-		lock_page(old_page);	/* for LRU manipulation */
-		clear_page_mlock(old_page);
-		unlock_page(old_page);
-	}
-
 	if (mem_cgroup_newpage_charge(new_page, mm, GFP_KERNEL))
 		goto oom_free_new;
 
@@ -2444,10 +2432,20 @@
 
 	if (new_page)
 		page_cache_release(new_page);
-	if (old_page)
-		page_cache_release(old_page);
 unlock:
 	pte_unmap_unlock(page_table, ptl);
+	if (old_page) {
+		/*
+		 * Don't let another task, with possibly unlocked vma,
+		 * keep the mlocked page.
+		 */
+		if ((ret & VM_FAULT_WRITE) && (vma->vm_flags & VM_LOCKED)) {
+			lock_page(old_page);	/* LRU manipulation */
+			munlock_vma_page(old_page);
+			unlock_page(old_page);
+		}
+		page_cache_release(old_page);
+	}
 	return ret;
 oom_free_new:
 	page_cache_release(new_page);
@@ -2650,6 +2648,7 @@
 		details.last_index = ULONG_MAX;
 	details.i_mmap_lock = &mapping->i_mmap_lock;
 
+	mutex_lock(&mapping->unmap_mutex);
 	spin_lock(&mapping->i_mmap_lock);
 
 	/* Protect against endless unmapping loops */
@@ -2666,6 +2665,7 @@
 	if (unlikely(!list_empty(&mapping->i_mmap_nonlinear)))
 		unmap_mapping_range_list(&mapping->i_mmap_nonlinear, &details);
 	spin_unlock(&mapping->i_mmap_lock);
+	mutex_unlock(&mapping->unmap_mutex);
 }
 EXPORT_SYMBOL(unmap_mapping_range);
 
@@ -3053,12 +3053,6 @@
 				goto out;
 			}
 			charged = 1;
-			/*
-			 * Don't let another task, with possibly unlocked vma,
-			 * keep the mlocked page.
-			 */
-			if (vma->vm_flags & VM_LOCKED)
-				clear_page_mlock(vmf.page);
 			copy_user_highpage(page, vmf.page, address, vma);
 			__SetPageUptodate(page);
 		} else {
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 368fc9d..49355a9 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -1830,7 +1830,7 @@
 	if (unlikely(pol->mode == MPOL_INTERLEAVE)) {
 		unsigned nid;
 
-		nid = interleave_nid(pol, vma, addr, PAGE_SHIFT);
+		nid = interleave_nid(pol, vma, addr, PAGE_SHIFT + order);
 		mpol_cond_put(pol);
 		page = alloc_page_interleave(gfp, order, nid);
 		put_mems_allowed();
diff --git a/mm/migrate.c b/mm/migrate.c
index 7661152..352de555 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -1287,14 +1287,14 @@
 		return -EPERM;
 
 	/* Find the mm_struct */
-	read_lock(&tasklist_lock);
+	rcu_read_lock();
 	task = pid ? find_task_by_vpid(pid) : current;
 	if (!task) {
-		read_unlock(&tasklist_lock);
+		rcu_read_unlock();
 		return -ESRCH;
 	}
 	mm = get_task_mm(task);
-	read_unlock(&tasklist_lock);
+	rcu_read_unlock();
 
 	if (!mm)
 		return -EINVAL;
diff --git a/mm/mremap.c b/mm/mremap.c
index 9925b63..1de98d4 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -94,9 +94,7 @@
 		 */
 		mapping = vma->vm_file->f_mapping;
 		spin_lock(&mapping->i_mmap_lock);
-		if (new_vma->vm_truncate_count &&
-		    new_vma->vm_truncate_count != vma->vm_truncate_count)
-			new_vma->vm_truncate_count = 0;
+		new_vma->vm_truncate_count = 0;
 	}
 
 	/*
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index a873e61..cdef1d4 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -5376,10 +5376,9 @@
 	for (found = 0, iter = 0; iter < pageblock_nr_pages; iter++) {
 		unsigned long check = pfn + iter;
 
-		if (!pfn_valid_within(check)) {
-			iter++;
+		if (!pfn_valid_within(check))
 			continue;
-		}
+
 		page = pfn_to_page(check);
 		if (!page_count(page)) {
 			if (PageBuddy(page))
diff --git a/mm/swapfile.c b/mm/swapfile.c
index 07a458d..0341c57 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -1940,7 +1940,7 @@
 
 	error = -EINVAL;
 	if (S_ISBLK(inode->i_mode)) {
-		bdev = I_BDEV(inode);
+		bdev = bdgrab(I_BDEV(inode));
 		error = blkdev_get(bdev, FMODE_READ | FMODE_WRITE | FMODE_EXCL,
 				   sys_swapon);
 		if (error < 0) {
diff --git a/mm/truncate.c b/mm/truncate.c
index 49feb46..d64296b 100644
--- a/mm/truncate.c
+++ b/mm/truncate.c
@@ -225,6 +225,7 @@
 	next = start;
 	while (next <= end &&
 	       pagevec_lookup(&pvec, mapping, next, PAGEVEC_SIZE)) {
+		mem_cgroup_uncharge_start();
 		for (i = 0; i < pagevec_count(&pvec); i++) {
 			struct page *page = pvec.pages[i];
 			pgoff_t page_index = page->index;
@@ -247,6 +248,7 @@
 			unlock_page(page);
 		}
 		pagevec_release(&pvec);
+		mem_cgroup_uncharge_end();
 		cond_resched();
 	}
 
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 148c6e6..6771ea7 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1841,16 +1841,28 @@
 	if (!(sc->reclaim_mode & RECLAIM_MODE_COMPACTION))
 		return false;
 
-	/*
-	 * If we failed to reclaim and have scanned the full list, stop.
-	 * NOTE: Checking just nr_reclaimed would exit reclaim/compaction far
-	 *       faster but obviously would be less likely to succeed
-	 *       allocation. If this is desirable, use GFP_REPEAT to decide
-	 *       if both reclaimed and scanned should be checked or just
-	 *       reclaimed
-	 */
-	if (!nr_reclaimed && !nr_scanned)
-		return false;
+	/* Consider stopping depending on scan and reclaim activity */
+	if (sc->gfp_mask & __GFP_REPEAT) {
+		/*
+		 * For __GFP_REPEAT allocations, stop reclaiming if the
+		 * full LRU list has been scanned and we are still failing
+		 * to reclaim pages. This full LRU scan is potentially
+		 * expensive but a __GFP_REPEAT caller really wants to succeed
+		 */
+		if (!nr_reclaimed && !nr_scanned)
+			return false;
+	} else {
+		/*
+		 * For non-__GFP_REPEAT allocations which can presumably
+		 * fail without consequence, stop if we failed to reclaim
+		 * any pages from the last SWAP_CLUSTER_MAX number of
+		 * pages that were scanned. This will return to the
+		 * caller faster at the risk reclaim/compaction and
+		 * the resulting allocation attempt fails
+		 */
+		if (!nr_reclaimed)
+			return false;
+	}
 
 	/*
 	 * If we have not reclaimed enough pages for compaction and the
@@ -1882,12 +1894,12 @@
 	unsigned long nr[NR_LRU_LISTS];
 	unsigned long nr_to_scan;
 	enum lru_list l;
-	unsigned long nr_reclaimed;
+	unsigned long nr_reclaimed, nr_scanned;
 	unsigned long nr_to_reclaim = sc->nr_to_reclaim;
-	unsigned long nr_scanned = sc->nr_scanned;
 
 restart:
 	nr_reclaimed = 0;
+	nr_scanned = sc->nr_scanned;
 	get_scan_count(zone, sc, nr, priority);
 
 	while (nr[LRU_INACTIVE_ANON] || nr[LRU_ACTIVE_FILE] ||
diff --git a/net/batman-adv/unicast.c b/net/batman-adv/unicast.c
index ee41fef..d1a6113 100644
--- a/net/batman-adv/unicast.c
+++ b/net/batman-adv/unicast.c
@@ -50,12 +50,12 @@
 		skb = tfp->skb;
 	}
 
+	if (skb_linearize(skb) < 0 || skb_linearize(tmp_skb) < 0)
+		goto err;
+
 	skb_pull(tmp_skb, sizeof(struct unicast_frag_packet));
-	if (pskb_expand_head(skb, 0, tmp_skb->len, GFP_ATOMIC) < 0) {
-		/* free buffered skb, skb will be freed later */
-		kfree_skb(tfp->skb);
-		return NULL;
-	}
+	if (pskb_expand_head(skb, 0, tmp_skb->len, GFP_ATOMIC) < 0)
+		goto err;
 
 	/* move free entry to end */
 	tfp->skb = NULL;
@@ -70,6 +70,11 @@
 	unicast_packet->packet_type = BAT_UNICAST;
 
 	return skb;
+
+err:
+	/* free buffered skb, skb will be freed later */
+	kfree_skb(tfp->skb);
+	return NULL;
 }
 
 static void frag_create_entry(struct list_head *head, struct sk_buff *skb)
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 7550abb..675614e 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -859,6 +859,7 @@
 				result = L2CAP_CR_SEC_BLOCK;
 			else
 				result = L2CAP_CR_BAD_PSM;
+			sk->sk_state = BT_DISCONN;
 
 			rsp.scid   = cpu_to_le16(l2cap_pi(sk)->dcid);
 			rsp.dcid   = cpu_to_le16(l2cap_pi(sk)->scid);
diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c
index 2575c2d..d7b9af4 100644
--- a/net/bluetooth/rfcomm/tty.c
+++ b/net/bluetooth/rfcomm/tty.c
@@ -727,7 +727,9 @@
 			break;
 		}
 
+		tty_unlock();
 		schedule();
+		tty_lock();
 	}
 	set_current_state(TASK_RUNNING);
 	remove_wait_queue(&dev->wait, &wait);
diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index 6f6d8e1..88e4aa9 100644
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -80,7 +80,7 @@
 	if (is_multicast_ether_addr(dest)) {
 		mdst = br_mdb_get(br, skb);
 		if (mdst || BR_INPUT_SKB_CB_MROUTERS_ONLY(skb)) {
-			if ((mdst && !hlist_unhashed(&mdst->mglist)) ||
+			if ((mdst && mdst->mglist) ||
 			    br_multicast_is_router(br))
 				skb2 = skb;
 			br_multicast_forward(mdst, skb, skb2);
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index f701a21..030a002 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -37,10 +37,9 @@
 	rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock))
 
 #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
-static inline int ipv6_is_local_multicast(const struct in6_addr *addr)
+static inline int ipv6_is_transient_multicast(const struct in6_addr *addr)
 {
-	if (ipv6_addr_is_multicast(addr) &&
-	    IPV6_ADDR_MC_SCOPE(addr) <= IPV6_ADDR_SCOPE_LINKLOCAL)
+	if (ipv6_addr_is_multicast(addr) && IPV6_ADDR_MC_FLAG_TRANSIENT(addr))
 		return 1;
 	return 0;
 }
@@ -232,8 +231,7 @@
 	if (!netif_running(br->dev) || timer_pending(&mp->timer))
 		goto out;
 
-	if (!hlist_unhashed(&mp->mglist))
-		hlist_del_init(&mp->mglist);
+	mp->mglist = false;
 
 	if (mp->ports)
 		goto out;
@@ -276,7 +274,7 @@
 		del_timer(&p->query_timer);
 		call_rcu_bh(&p->rcu, br_multicast_free_pg);
 
-		if (!mp->ports && hlist_unhashed(&mp->mglist) &&
+		if (!mp->ports && !mp->mglist &&
 		    netif_running(br->dev))
 			mod_timer(&mp->timer, jiffies);
 
@@ -436,7 +434,6 @@
 	eth = eth_hdr(skb);
 
 	memcpy(eth->h_source, br->dev->dev_addr, 6);
-	ipv6_eth_mc_map(group, eth->h_dest);
 	eth->h_proto = htons(ETH_P_IPV6);
 	skb_put(skb, sizeof(*eth));
 
@@ -448,8 +445,10 @@
 	ip6h->payload_len = htons(8 + sizeof(*mldq));
 	ip6h->nexthdr = IPPROTO_HOPOPTS;
 	ip6h->hop_limit = 1;
-	ipv6_addr_set(&ip6h->saddr, 0, 0, 0, 0);
+	ipv6_dev_get_saddr(dev_net(br->dev), br->dev, &ip6h->daddr, 0,
+			   &ip6h->saddr);
 	ipv6_addr_set(&ip6h->daddr, htonl(0xff020000), 0, 0, htonl(1));
+	ipv6_eth_mc_map(&ip6h->daddr, eth->h_dest);
 
 	hopopt = (u8 *)(ip6h + 1);
 	hopopt[0] = IPPROTO_ICMPV6;		/* next hdr */
@@ -528,7 +527,7 @@
 	struct net_bridge *br = mp->br;
 
 	spin_lock(&br->multicast_lock);
-	if (!netif_running(br->dev) || hlist_unhashed(&mp->mglist) ||
+	if (!netif_running(br->dev) || !mp->mglist ||
 	    mp->queries_sent >= br->multicast_last_member_count)
 		goto out;
 
@@ -719,7 +718,7 @@
 		goto err;
 
 	if (!port) {
-		hlist_add_head(&mp->mglist, &br->mglist);
+		mp->mglist = true;
 		mod_timer(&mp->timer, now + br->multicast_membership_interval);
 		goto out;
 	}
@@ -781,11 +780,11 @@
 {
 	struct br_ip br_group;
 
-	if (ipv6_is_local_multicast(group))
+	if (!ipv6_is_transient_multicast(group))
 		return 0;
 
 	ipv6_addr_copy(&br_group.u.ip6, group);
-	br_group.proto = htons(ETH_P_IP);
+	br_group.proto = htons(ETH_P_IPV6);
 
 	return br_multicast_add_group(br, port, &br_group);
 }
@@ -1014,18 +1013,19 @@
 
 		nsrcs = skb_header_pointer(skb,
 					   len + offsetof(struct mld2_grec,
-							  grec_mca),
+							  grec_nsrcs),
 					   sizeof(_nsrcs), &_nsrcs);
 		if (!nsrcs)
 			return -EINVAL;
 
 		if (!pskb_may_pull(skb,
 				   len + sizeof(*grec) +
-				   sizeof(struct in6_addr) * (*nsrcs)))
+				   sizeof(struct in6_addr) * ntohs(*nsrcs)))
 			return -EINVAL;
 
 		grec = (struct mld2_grec *)(skb->data + len);
-		len += sizeof(*grec) + sizeof(struct in6_addr) * (*nsrcs);
+		len += sizeof(*grec) +
+		       sizeof(struct in6_addr) * ntohs(*nsrcs);
 
 		/* We treat these as MLDv1 reports for now. */
 		switch (grec->grec_type) {
@@ -1165,7 +1165,7 @@
 
 	max_delay *= br->multicast_last_member_count;
 
-	if (!hlist_unhashed(&mp->mglist) &&
+	if (mp->mglist &&
 	    (timer_pending(&mp->timer) ?
 	     time_after(mp->timer.expires, now + max_delay) :
 	     try_to_del_timer_sync(&mp->timer) >= 0))
@@ -1177,7 +1177,7 @@
 		if (timer_pending(&p->timer) ?
 		    time_after(p->timer.expires, now + max_delay) :
 		    try_to_del_timer_sync(&p->timer) >= 0)
-			mod_timer(&mp->timer, now + max_delay);
+			mod_timer(&p->timer, now + max_delay);
 	}
 
 out:
@@ -1236,7 +1236,7 @@
 		goto out;
 
 	max_delay *= br->multicast_last_member_count;
-	if (!hlist_unhashed(&mp->mglist) &&
+	if (mp->mglist &&
 	    (timer_pending(&mp->timer) ?
 	     time_after(mp->timer.expires, now + max_delay) :
 	     try_to_del_timer_sync(&mp->timer) >= 0))
@@ -1248,7 +1248,7 @@
 		if (timer_pending(&p->timer) ?
 		    time_after(p->timer.expires, now + max_delay) :
 		    try_to_del_timer_sync(&p->timer) >= 0)
-			mod_timer(&mp->timer, now + max_delay);
+			mod_timer(&p->timer, now + max_delay);
 	}
 
 out:
@@ -1283,7 +1283,7 @@
 		     br->multicast_last_member_interval;
 
 	if (!port) {
-		if (!hlist_unhashed(&mp->mglist) &&
+		if (mp->mglist &&
 		    (timer_pending(&mp->timer) ?
 		     time_after(mp->timer.expires, time) :
 		     try_to_del_timer_sync(&mp->timer) >= 0)) {
@@ -1341,7 +1341,7 @@
 {
 	struct br_ip br_group;
 
-	if (ipv6_is_local_multicast(group))
+	if (!ipv6_is_transient_multicast(group))
 		return;
 
 	ipv6_addr_copy(&br_group.u.ip6, group);
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 84aac77..4e1b620 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -84,13 +84,13 @@
 struct net_bridge_mdb_entry
 {
 	struct hlist_node		hlist[2];
-	struct hlist_node		mglist;
 	struct net_bridge		*br;
 	struct net_bridge_port_group __rcu *ports;
 	struct rcu_head			rcu;
 	struct timer_list		timer;
 	struct timer_list		query_timer;
 	struct br_ip			addr;
+	bool				mglist;
 	u32				queries_sent;
 };
 
@@ -238,7 +238,6 @@
 	spinlock_t			multicast_lock;
 	struct net_bridge_mdb_htable __rcu *mdb;
 	struct hlist_head		router_list;
-	struct hlist_head		mglist;
 
 	struct timer_list		multicast_router_timer;
 	struct timer_list		multicast_querier_timer;
diff --git a/net/caif/chnl_net.c b/net/caif/chnl_net.c
index fa9dab3..6008d6d 100644
--- a/net/caif/chnl_net.c
+++ b/net/caif/chnl_net.c
@@ -394,9 +394,7 @@
 	priv->conn_req.sockaddr.u.dgm.connection_id = -1;
 	priv->flowenabled = false;
 
-	ASSERT_RTNL();
 	init_waitqueue_head(&priv->netmgmt_wq);
-	list_add(&priv->list_field, &chnl_net_list);
 }
 
 
@@ -453,6 +451,8 @@
 	ret = register_netdevice(dev);
 	if (ret)
 		pr_warn("device rtml registration failed\n");
+	else
+		list_add(&caifdev->list_field, &chnl_net_list);
 	return ret;
 }
 
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index dff633d..35b36b8 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -252,8 +252,12 @@
 {
 	struct kvec iov = {buf, len};
 	struct msghdr msg = { .msg_flags = MSG_DONTWAIT | MSG_NOSIGNAL };
+	int r;
 
-	return kernel_recvmsg(sock, &msg, &iov, 1, len, msg.msg_flags);
+	r = kernel_recvmsg(sock, &msg, &iov, 1, len, msg.msg_flags);
+	if (r == -EAGAIN)
+		r = 0;
+	return r;
 }
 
 /*
@@ -264,13 +268,17 @@
 		     size_t kvlen, size_t len, int more)
 {
 	struct msghdr msg = { .msg_flags = MSG_DONTWAIT | MSG_NOSIGNAL };
+	int r;
 
 	if (more)
 		msg.msg_flags |= MSG_MORE;
 	else
 		msg.msg_flags |= MSG_EOR;  /* superfluous, but what the hell */
 
-	return kernel_sendmsg(sock, &msg, iov, kvlen, len);
+	r = kernel_sendmsg(sock, &msg, iov, kvlen, len);
+	if (r == -EAGAIN)
+		r = 0;
+	return r;
 }
 
 
@@ -847,6 +855,8 @@
 		    (msg->pages || msg->pagelist || msg->bio || in_trail))
 			kunmap(page);
 
+		if (ret == -EAGAIN)
+			ret = 0;
 		if (ret <= 0)
 			goto out;
 
@@ -1737,16 +1747,12 @@
 	if (con->out_skip) {
 		ret = write_partial_skip(con);
 		if (ret <= 0)
-			goto done;
-		if (ret < 0) {
-			dout("try_write write_partial_skip err %d\n", ret);
-			goto done;
-		}
+			goto out;
 	}
 	if (con->out_kvec_left) {
 		ret = write_partial_kvec(con);
 		if (ret <= 0)
-			goto done;
+			goto out;
 	}
 
 	/* msg pages? */
@@ -1761,11 +1767,11 @@
 		if (ret == 1)
 			goto more_kvec;  /* we need to send the footer, too! */
 		if (ret == 0)
-			goto done;
+			goto out;
 		if (ret < 0) {
 			dout("try_write write_partial_msg_pages err %d\n",
 			     ret);
-			goto done;
+			goto out;
 		}
 	}
 
@@ -1789,10 +1795,9 @@
 	/* Nothing to do! */
 	clear_bit(WRITE_PENDING, &con->state);
 	dout("try_write nothing else to write.\n");
-done:
 	ret = 0;
 out:
-	dout("try_write done on %p\n", con);
+	dout("try_write done on %p ret %d\n", con, ret);
 	return ret;
 }
 
@@ -1821,19 +1826,17 @@
 			dout("try_read connecting\n");
 			ret = read_partial_banner(con);
 			if (ret <= 0)
-				goto done;
-			if (process_banner(con) < 0) {
-				ret = -1;
 				goto out;
-			}
+			ret = process_banner(con);
+			if (ret < 0)
+				goto out;
 		}
 		ret = read_partial_connect(con);
 		if (ret <= 0)
-			goto done;
-		if (process_connect(con) < 0) {
-			ret = -1;
 			goto out;
-		}
+		ret = process_connect(con);
+		if (ret < 0)
+			goto out;
 		goto more;
 	}
 
@@ -1848,7 +1851,7 @@
 		dout("skipping %d / %d bytes\n", skip, -con->in_base_pos);
 		ret = ceph_tcp_recvmsg(con->sock, buf, skip);
 		if (ret <= 0)
-			goto done;
+			goto out;
 		con->in_base_pos += ret;
 		if (con->in_base_pos)
 			goto more;
@@ -1859,7 +1862,7 @@
 		 */
 		ret = ceph_tcp_recvmsg(con->sock, &con->in_tag, 1);
 		if (ret <= 0)
-			goto done;
+			goto out;
 		dout("try_read got tag %d\n", (int)con->in_tag);
 		switch (con->in_tag) {
 		case CEPH_MSGR_TAG_MSG:
@@ -1870,7 +1873,7 @@
 			break;
 		case CEPH_MSGR_TAG_CLOSE:
 			set_bit(CLOSED, &con->state);   /* fixme */
-			goto done;
+			goto out;
 		default:
 			goto bad_tag;
 		}
@@ -1882,13 +1885,12 @@
 			case -EBADMSG:
 				con->error_msg = "bad crc";
 				ret = -EIO;
-				goto out;
+				break;
 			case -EIO:
 				con->error_msg = "io error";
-				goto out;
-			default:
-				goto done;
+				break;
 			}
+			goto out;
 		}
 		if (con->in_tag == CEPH_MSGR_TAG_READY)
 			goto more;
@@ -1898,15 +1900,13 @@
 	if (con->in_tag == CEPH_MSGR_TAG_ACK) {
 		ret = read_partial_ack(con);
 		if (ret <= 0)
-			goto done;
+			goto out;
 		process_ack(con);
 		goto more;
 	}
 
-done:
-	ret = 0;
 out:
-	dout("try_read done on %p\n", con);
+	dout("try_read done on %p ret %d\n", con, ret);
 	return ret;
 
 bad_tag:
diff --git a/net/core/dev.c b/net/core/dev.c
index b6d0bf8..8ae6631 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1280,10 +1280,13 @@
 
 static int __dev_close(struct net_device *dev)
 {
+	int retval;
 	LIST_HEAD(single);
 
 	list_add(&dev->unreg_list, &single);
-	return __dev_close_many(&single);
+	retval = __dev_close_many(&single);
+	list_del(&single);
+	return retval;
 }
 
 int dev_close_many(struct list_head *head)
@@ -1325,7 +1328,7 @@
 
 	list_add(&dev->unreg_list, &single);
 	dev_close_many(&single);
-
+	list_del(&single);
 	return 0;
 }
 EXPORT_SYMBOL(dev_close);
@@ -5063,6 +5066,7 @@
 
 	list_add(&dev->unreg_list, &single);
 	rollback_registered_many(&single);
+	list_del(&single);
 }
 
 unsigned long netdev_fix_features(unsigned long features, const char *name)
@@ -5660,18 +5664,6 @@
 
 	dev_net_set(dev, &init_net);
 
-	dev->num_tx_queues = txqs;
-	dev->real_num_tx_queues = txqs;
-	if (netif_alloc_netdev_queues(dev))
-		goto free_pcpu;
-
-#ifdef CONFIG_RPS
-	dev->num_rx_queues = rxqs;
-	dev->real_num_rx_queues = rxqs;
-	if (netif_alloc_rx_queues(dev))
-		goto free_pcpu;
-#endif
-
 	dev->gso_max_size = GSO_MAX_SIZE;
 
 	INIT_LIST_HEAD(&dev->ethtool_ntuple_list.list);
@@ -5681,9 +5673,26 @@
 	INIT_LIST_HEAD(&dev->link_watch_list);
 	dev->priv_flags = IFF_XMIT_DST_RELEASE;
 	setup(dev);
+
+	dev->num_tx_queues = txqs;
+	dev->real_num_tx_queues = txqs;
+	if (netif_alloc_netdev_queues(dev))
+		goto free_all;
+
+#ifdef CONFIG_RPS
+	dev->num_rx_queues = rxqs;
+	dev->real_num_rx_queues = rxqs;
+	if (netif_alloc_rx_queues(dev))
+		goto free_all;
+#endif
+
 	strcpy(dev->name, name);
 	return dev;
 
+free_all:
+	free_netdev(dev);
+	return NULL;
+
 free_pcpu:
 	free_percpu(dev->pcpu_refcnt);
 	kfree(dev->_tx);
@@ -6211,6 +6220,7 @@
 		}
 	}
 	unregister_netdevice_many(&dev_kill_list);
+	list_del(&dev_kill_list);
 	rtnl_unlock();
 }
 
diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c
index 6b03f56..d5074a5 100644
--- a/net/dcb/dcbnl.c
+++ b/net/dcb/dcbnl.c
@@ -626,6 +626,9 @@
 	dcb->cmd = DCB_CMD_GAPP;
 
 	app_nest = nla_nest_start(dcbnl_skb, DCB_ATTR_APP);
+	if (!app_nest)
+		goto out_cancel;
+
 	ret = nla_put_u8(dcbnl_skb, DCB_APP_ATTR_IDTYPE, idtype);
 	if (ret)
 		goto out_cancel;
@@ -1613,6 +1616,10 @@
 u8 dcb_setapp(struct net_device *dev, struct dcb_app *new)
 {
 	struct dcb_app_type *itr;
+	struct dcb_app_type event;
+
+	memcpy(&event.name, dev->name, sizeof(event.name));
+	memcpy(&event.app, new, sizeof(event.app));
 
 	spin_lock(&dcb_lock);
 	/* Search for existing match and replace */
@@ -1644,7 +1651,7 @@
 	}
 out:
 	spin_unlock(&dcb_lock);
-	call_dcbevent_notifiers(DCB_APP_EVENT, new);
+	call_dcbevent_notifiers(DCB_APP_EVENT, &event);
 	return 0;
 }
 EXPORT_SYMBOL(dcb_setapp);
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 748cb5b..df4616f 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1030,6 +1030,21 @@
 	return mtu >= 68;
 }
 
+static void inetdev_send_gratuitous_arp(struct net_device *dev,
+					struct in_device *in_dev)
+
+{
+	struct in_ifaddr *ifa = in_dev->ifa_list;
+
+	if (!ifa)
+		return;
+
+	arp_send(ARPOP_REQUEST, ETH_P_ARP,
+		 ifa->ifa_address, dev,
+		 ifa->ifa_address, NULL,
+		 dev->dev_addr, NULL);
+}
+
 /* Called only under RTNL semaphore */
 
 static int inetdev_event(struct notifier_block *this, unsigned long event,
@@ -1082,18 +1097,13 @@
 		}
 		ip_mc_up(in_dev);
 		/* fall through */
-	case NETDEV_NOTIFY_PEERS:
 	case NETDEV_CHANGEADDR:
+		if (!IN_DEV_ARP_NOTIFY(in_dev))
+			break;
+		/* fall through */
+	case NETDEV_NOTIFY_PEERS:
 		/* Send gratuitous ARP to notify of link change */
-		if (IN_DEV_ARP_NOTIFY(in_dev)) {
-			struct in_ifaddr *ifa = in_dev->ifa_list;
-
-			if (ifa)
-				arp_send(ARPOP_REQUEST, ETH_P_ARP,
-					 ifa->ifa_address, dev,
-					 ifa->ifa_address, NULL,
-					 dev->dev_addr, NULL);
-		}
+		inetdev_send_gratuitous_arp(dev, in_dev);
 		break;
 	case NETDEV_DOWN:
 		ip_mc_down(in_dev);
diff --git a/net/ipv4/inet_timewait_sock.c b/net/ipv4/inet_timewait_sock.c
index c5af909..3c8dfa1 100644
--- a/net/ipv4/inet_timewait_sock.c
+++ b/net/ipv4/inet_timewait_sock.c
@@ -505,7 +505,9 @@
 			}
 
 			rcu_read_unlock();
+			local_bh_disable();
 			inet_twsk_deschedule(tw, twdr);
+			local_bh_enable();
 			inet_twsk_put(tw);
 			goto restart_rcu;
 		}
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index eb68a0e..6613edf 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -775,6 +775,7 @@
 			.fl4_dst = dst,
 			.fl4_src = tiph->saddr,
 			.fl4_tos = RT_TOS(tos),
+			.proto = IPPROTO_GRE,
 			.fl_gre_key = tunnel->parms.o_key
 		};
 		if (ip_route_output_key(dev_net(dev), &rt, &fl)) {
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 788a3e7..6ed6603 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2722,6 +2722,7 @@
 	.destroy		=	ipv4_dst_destroy,
 	.check			=	ipv4_blackhole_dst_check,
 	.default_mtu		=	ipv4_blackhole_default_mtu,
+	.default_advmss		=	ipv4_default_advmss,
 	.update_pmtu		=	ipv4_rt_blackhole_update_pmtu,
 };
 
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index eb7f82e..65f6c04 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -1222,7 +1222,7 @@
 	}
 
 	/* D-SACK for already forgotten data... Do dumb counting. */
-	if (dup_sack &&
+	if (dup_sack && tp->undo_marker && tp->undo_retrans &&
 	    !after(end_seq_0, prior_snd_una) &&
 	    after(end_seq_0, tp->undo_marker))
 		tp->undo_retrans--;
@@ -1299,7 +1299,8 @@
 
 	/* Account D-SACK for retransmitted packet. */
 	if (dup_sack && (sacked & TCPCB_RETRANS)) {
-		if (after(TCP_SKB_CB(skb)->end_seq, tp->undo_marker))
+		if (tp->undo_marker && tp->undo_retrans &&
+		    after(TCP_SKB_CB(skb)->end_seq, tp->undo_marker))
 			tp->undo_retrans--;
 		if (sacked & TCPCB_SACKED_ACKED)
 			state->reord = min(fack_count, state->reord);
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 406f320..dfa5beb 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -2162,7 +2162,7 @@
 		if (!tp->retrans_stamp)
 			tp->retrans_stamp = TCP_SKB_CB(skb)->when;
 
-		tp->undo_retrans++;
+		tp->undo_retrans += tcp_skb_pcount(skb);
 
 		/* snd_nxt is stored to detect loss of retransmitted segment,
 		 * see tcp_input.c tcp_sacktag_write_queue().
diff --git a/net/ipv6/netfilter/ip6t_LOG.c b/net/ipv6/netfilter/ip6t_LOG.c
index 09c8889..de33803 100644
--- a/net/ipv6/netfilter/ip6t_LOG.c
+++ b/net/ipv6/netfilter/ip6t_LOG.c
@@ -410,7 +410,7 @@
 		if (p != NULL) {
 			sb_add(m, "%02x", *p++);
 			for (i = 1; i < len; i++)
-				sb_add(m, ":%02x", p[i]);
+				sb_add(m, ":%02x", *p++);
 		}
 		sb_add(m, " ");
 
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 1c29f95..a998db6 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -128,6 +128,7 @@
 	.destroy		=	ip6_dst_destroy,
 	.check			=	ip6_dst_check,
 	.default_mtu		=	ip6_blackhole_default_mtu,
+	.default_advmss		=	ip6_default_advmss,
 	.update_pmtu		=	ip6_rt_blackhole_update_pmtu,
 };
 
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 4bc8a92..9cd73b1 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1822,6 +1822,7 @@
 		*cookie ^= 2;
 		IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
 		local->hw_roc_skb = skb;
+		local->hw_roc_skb_for_status = skb;
 		mutex_unlock(&local->mtx);
 
 		return 0;
@@ -1875,6 +1876,7 @@
 		if (ret == 0) {
 			kfree_skb(local->hw_roc_skb);
 			local->hw_roc_skb = NULL;
+			local->hw_roc_skb_for_status = NULL;
 		}
 
 		mutex_unlock(&local->mtx);
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index c47d7c0..533fd32 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -953,7 +953,7 @@
 
 	struct ieee80211_channel *hw_roc_channel;
 	struct net_device *hw_roc_dev;
-	struct sk_buff *hw_roc_skb;
+	struct sk_buff *hw_roc_skb, *hw_roc_skb_for_status;
 	struct work_struct hw_roc_start, hw_roc_done;
 	enum nl80211_channel_type hw_roc_channel_type;
 	unsigned int hw_roc_duration;
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 8acba45..7a10a8d 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -1229,6 +1229,7 @@
 	}
 	mutex_unlock(&local->iflist_mtx);
 	unregister_netdevice_many(&unreg_list);
+	list_del(&unreg_list);
 }
 
 static u32 ieee80211_idle_off(struct ieee80211_local *local,
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 45fbb9e..c9ceb4d 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1033,6 +1033,12 @@
 	if (is_multicast_ether_addr(hdr->addr1))
 		return;
 
+	/*
+	 * In case we receive frames after disassociation.
+	 */
+	if (!sdata->u.mgd.associated)
+		return;
+
 	ieee80211_sta_reset_conn_monitor(sdata);
 }
 
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index 38a7972..071ac95 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -323,6 +323,7 @@
 
 	if (info->flags & IEEE80211_TX_INTFL_NL80211_FRAME_TX) {
 		struct ieee80211_work *wk;
+		u64 cookie = (unsigned long)skb;
 
 		rcu_read_lock();
 		list_for_each_entry_rcu(wk, &local->work_list, list) {
@@ -334,8 +335,12 @@
 			break;
 		}
 		rcu_read_unlock();
+		if (local->hw_roc_skb_for_status == skb) {
+			cookie = local->hw_roc_cookie ^ 2;
+			local->hw_roc_skb_for_status = NULL;
+		}
 		cfg80211_mgmt_tx_status(
-			skb->dev, (unsigned long) skb, skb->data, skb->len,
+			skb->dev, cookie, skb->data, skb->len,
 			!!(info->flags & IEEE80211_TX_STAT_ACK), GFP_ATOMIC);
 	}
 
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index b64b42b..b0beaa5 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1547,7 +1547,7 @@
 		skb_orphan(skb);
 	}
 
-	if (skb_header_cloned(skb))
+	if (skb_cloned(skb))
 		I802_DEBUG_INC(local->tx_expand_skb_head_cloned);
 	else if (head_need || tail_need)
 		I802_DEBUG_INC(local->tx_expand_skb_head);
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index cf68700..d036597 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1210,7 +1210,9 @@
 		switch (sdata->vif.type) {
 		case NL80211_IFTYPE_STATION:
 			changed |= BSS_CHANGED_ASSOC;
+			mutex_lock(&sdata->u.mgd.mtx);
 			ieee80211_bss_info_change_notify(sdata, changed);
+			mutex_unlock(&sdata->u.mgd.mtx);
 			break;
 		case NL80211_IFTYPE_ADHOC:
 			changed |= BSS_CHANGED_IBSS;
diff --git a/net/netfilter/core.c b/net/netfilter/core.c
index 32fcbe2..4aa614b 100644
--- a/net/netfilter/core.c
+++ b/net/netfilter/core.c
@@ -133,6 +133,7 @@
 
 		/* Optimization: we don't need to hold module
 		   reference here, since function can't sleep. --RR */
+repeat:
 		verdict = elem->hook(hook, skb, indev, outdev, okfn);
 		if (verdict != NF_ACCEPT) {
 #ifdef CONFIG_NETFILTER_DEBUG
@@ -145,7 +146,7 @@
 #endif
 			if (verdict != NF_REPEAT)
 				return verdict;
-			*i = (*i)->prev;
+			goto repeat;
 		}
 	}
 	return NF_ACCEPT;
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index e615119..84f4fcc 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -942,8 +942,15 @@
 	if (set_reply && !test_and_set_bit(IPS_SEEN_REPLY_BIT, &ct->status))
 		nf_conntrack_event_cache(IPCT_REPLY, ct);
 out:
-	if (tmpl)
-		nf_ct_put(tmpl);
+	if (tmpl) {
+		/* Special case: we have to repeat this hook, assign the
+		 * template again to this packet. We assume that this packet
+		 * has no conntrack assigned. This is used by nf_ct_tcp. */
+		if (ret == NF_REPEAT)
+			skb->nfct = (struct nf_conntrack *)tmpl;
+		else
+			nf_ct_put(tmpl);
+	}
 
 	return ret;
 }
diff --git a/net/netfilter/nf_tproxy_core.c b/net/netfilter/nf_tproxy_core.c
index 4d87bef..474d621 100644
--- a/net/netfilter/nf_tproxy_core.c
+++ b/net/netfilter/nf_tproxy_core.c
@@ -28,26 +28,23 @@
 	skb->destructor = NULL;
 
 	if (sk)
-		nf_tproxy_put_sock(sk);
+		sock_put(sk);
 }
 
 /* consumes sk */
-int
+void
 nf_tproxy_assign_sock(struct sk_buff *skb, struct sock *sk)
 {
-	bool transparent = (sk->sk_state == TCP_TIME_WAIT) ?
-				inet_twsk(sk)->tw_transparent :
-				inet_sk(sk)->transparent;
+	/* assigning tw sockets complicates things; most
+	 * skb->sk->X checks would have to test sk->sk_state first */
+	if (sk->sk_state == TCP_TIME_WAIT) {
+		inet_twsk_put(inet_twsk(sk));
+		return;
+	}
 
-	if (transparent) {
-		skb_orphan(skb);
-		skb->sk = sk;
-		skb->destructor = nf_tproxy_destructor;
-		return 1;
-	} else
-		nf_tproxy_put_sock(sk);
-
-	return 0;
+	skb_orphan(skb);
+	skb->sk = sk;
+	skb->destructor = nf_tproxy_destructor;
 }
 EXPORT_SYMBOL_GPL(nf_tproxy_assign_sock);
 
diff --git a/net/netfilter/xt_TPROXY.c b/net/netfilter/xt_TPROXY.c
index 640678f..dcfd57e 100644
--- a/net/netfilter/xt_TPROXY.c
+++ b/net/netfilter/xt_TPROXY.c
@@ -33,6 +33,20 @@
 #include <net/netfilter/nf_tproxy_core.h>
 #include <linux/netfilter/xt_TPROXY.h>
 
+static bool tproxy_sk_is_transparent(struct sock *sk)
+{
+	if (sk->sk_state != TCP_TIME_WAIT) {
+		if (inet_sk(sk)->transparent)
+			return true;
+		sock_put(sk);
+	} else {
+		if (inet_twsk(sk)->tw_transparent)
+			return true;
+		inet_twsk_put(inet_twsk(sk));
+	}
+	return false;
+}
+
 static inline __be32
 tproxy_laddr4(struct sk_buff *skb, __be32 user_laddr, __be32 daddr)
 {
@@ -141,7 +155,7 @@
 					   skb->dev, NFT_LOOKUP_LISTENER);
 
 	/* NOTE: assign_sock consumes our sk reference */
-	if (sk && nf_tproxy_assign_sock(skb, sk)) {
+	if (sk && tproxy_sk_is_transparent(sk)) {
 		/* This should be in a separate target, but we don't do multiple
 		   targets on the same rule yet */
 		skb->mark = (skb->mark & ~mark_mask) ^ mark_value;
@@ -149,6 +163,8 @@
 		pr_debug("redirecting: proto %hhu %pI4:%hu -> %pI4:%hu, mark: %x\n",
 			 iph->protocol, &iph->daddr, ntohs(hp->dest),
 			 &laddr, ntohs(lport), skb->mark);
+
+		nf_tproxy_assign_sock(skb, sk);
 		return NF_ACCEPT;
 	}
 
@@ -306,7 +322,7 @@
 					   par->in, NFT_LOOKUP_LISTENER);
 
 	/* NOTE: assign_sock consumes our sk reference */
-	if (sk && nf_tproxy_assign_sock(skb, sk)) {
+	if (sk && tproxy_sk_is_transparent(sk)) {
 		/* This should be in a separate target, but we don't do multiple
 		   targets on the same rule yet */
 		skb->mark = (skb->mark & ~tgi->mark_mask) ^ tgi->mark_value;
@@ -314,6 +330,8 @@
 		pr_debug("redirecting: proto %hhu %pI6:%hu -> %pI6:%hu, mark: %x\n",
 			 tproto, &iph->saddr, ntohs(hp->source),
 			 laddr, ntohs(lport), skb->mark);
+
+		nf_tproxy_assign_sock(skb, sk);
 		return NF_ACCEPT;
 	}
 
diff --git a/net/netfilter/xt_socket.c b/net/netfilter/xt_socket.c
index 00d6ae83..9cc4635 100644
--- a/net/netfilter/xt_socket.c
+++ b/net/netfilter/xt_socket.c
@@ -35,6 +35,15 @@
 #include <net/netfilter/nf_conntrack.h>
 #endif
 
+static void
+xt_socket_put_sk(struct sock *sk)
+{
+	if (sk->sk_state == TCP_TIME_WAIT)
+		inet_twsk_put(inet_twsk(sk));
+	else
+		sock_put(sk);
+}
+
 static int
 extract_icmp4_fields(const struct sk_buff *skb,
 		    u8 *protocol,
@@ -164,7 +173,7 @@
 				       (sk->sk_state == TCP_TIME_WAIT &&
 					inet_twsk(sk)->tw_transparent));
 
-		nf_tproxy_put_sock(sk);
+		xt_socket_put_sk(sk);
 
 		if (wildcard || !transparent)
 			sk = NULL;
@@ -298,7 +307,7 @@
 				       (sk->sk_state == TCP_TIME_WAIT &&
 					inet_twsk(sk)->tw_transparent));
 
-		nf_tproxy_put_sock(sk);
+		xt_socket_put_sk(sk);
 
 		if (wildcard || !transparent)
 			sk = NULL;
diff --git a/net/rxrpc/ar-key.c b/net/rxrpc/ar-key.c
index 5ee16f0..d763793 100644
--- a/net/rxrpc/ar-key.c
+++ b/net/rxrpc/ar-key.c
@@ -89,11 +89,11 @@
 		return ret;
 
 	plen -= sizeof(*token);
-	token = kmalloc(sizeof(*token), GFP_KERNEL);
+	token = kzalloc(sizeof(*token), GFP_KERNEL);
 	if (!token)
 		return -ENOMEM;
 
-	token->kad = kmalloc(plen, GFP_KERNEL);
+	token->kad = kzalloc(plen, GFP_KERNEL);
 	if (!token->kad) {
 		kfree(token);
 		return -ENOMEM;
@@ -731,10 +731,10 @@
 		goto error;
 
 	ret = -ENOMEM;
-	token = kmalloc(sizeof(*token), GFP_KERNEL);
+	token = kzalloc(sizeof(*token), GFP_KERNEL);
 	if (!token)
 		goto error;
-	token->kad = kmalloc(plen, GFP_KERNEL);
+	token->kad = kzalloc(plen, GFP_KERNEL);
 	if (!token->kad)
 		goto error_free;
 
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 34dc598..1bc6980 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -839,6 +839,7 @@
 
 	list_add(&dev->unreg_list, &single);
 	dev_deactivate_many(&single);
+	list_del(&single);
 }
 
 static void dev_init_scheduler_queue(struct net_device *dev,
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 2cc46f0..b23428f 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -2029,11 +2029,11 @@
 			*errp = sctp_make_op_error_fixed(asoc, chunk);
 
 		if (*errp) {
-			sctp_init_cause_fixed(*errp, SCTP_ERROR_UNKNOWN_PARAM,
-					WORD_ROUND(ntohs(param.p->length)));
-			sctp_addto_chunk_fixed(*errp,
-					WORD_ROUND(ntohs(param.p->length)),
-					param.v);
+			if (!sctp_init_cause_fixed(*errp, SCTP_ERROR_UNKNOWN_PARAM,
+					WORD_ROUND(ntohs(param.p->length))))
+				sctp_addto_chunk_fixed(*errp,
+						WORD_ROUND(ntohs(param.p->length)),
+						param.v);
 		} else {
 			/* If there is no memory for generating the ERROR
 			 * report as specified, an ABORT will be triggered
diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index 3e5dbd4..d112f03 100644
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -802,11 +802,11 @@
 			return freq;
 		if (freq == 0)
 			return -EINVAL;
-		wdev_lock(wdev);
 		mutex_lock(&rdev->devlist_mtx);
+		wdev_lock(wdev);
 		err = cfg80211_set_freq(rdev, wdev, freq, NL80211_CHAN_NO_HT);
-		mutex_unlock(&rdev->devlist_mtx);
 		wdev_unlock(wdev);
+		mutex_unlock(&rdev->devlist_mtx);
 		return err;
 	default:
 		return -EOPNOTSUPP;
diff --git a/net/x25/x25_facilities.c b/net/x25/x25_facilities.c
index 55187c8..4062075 100644
--- a/net/x25/x25_facilities.c
+++ b/net/x25/x25_facilities.c
@@ -27,9 +27,19 @@
 #include <net/sock.h>
 #include <net/x25.h>
 
-/*
- * Parse a set of facilities into the facilities structures. Unrecognised
- *	facilities are written to the debug log file.
+/**
+ * x25_parse_facilities - Parse facilities from skb into the facilities structs
+ *
+ * @skb: sk_buff to parse
+ * @facilities: Regular facilites, updated as facilities are found
+ * @dte_facs: ITU DTE facilities, updated as DTE facilities are found
+ * @vc_fac_mask: mask is updated with all facilities found
+ *
+ * Return codes:
+ *  -1 - Parsing error, caller should drop call and clean up
+ *   0 - Parse OK, this skb has no facilities
+ *  >0 - Parse OK, returns the length of the facilities header
+ *
  */
 int x25_parse_facilities(struct sk_buff *skb, struct x25_facilities *facilities,
 		struct x25_dte_facilities *dte_facs, unsigned long *vc_fac_mask)
@@ -62,7 +72,7 @@
 		switch (*p & X25_FAC_CLASS_MASK) {
 		case X25_FAC_CLASS_A:
 			if (len < 2)
-				return 0;
+				return -1;
 			switch (*p) {
 			case X25_FAC_REVERSE:
 				if((p[1] & 0x81) == 0x81) {
@@ -107,7 +117,7 @@
 			break;
 		case X25_FAC_CLASS_B:
 			if (len < 3)
-				return 0;
+				return -1;
 			switch (*p) {
 			case X25_FAC_PACKET_SIZE:
 				facilities->pacsize_in  = p[1];
@@ -130,7 +140,7 @@
 			break;
 		case X25_FAC_CLASS_C:
 			if (len < 4)
-				return 0;
+				return -1;
 			printk(KERN_DEBUG "X.25: unknown facility %02X, "
 			       "values %02X, %02X, %02X\n",
 			       p[0], p[1], p[2], p[3]);
@@ -139,18 +149,18 @@
 			break;
 		case X25_FAC_CLASS_D:
 			if (len < p[1] + 2)
-				return 0;
+				return -1;
 			switch (*p) {
 			case X25_FAC_CALLING_AE:
 				if (p[1] > X25_MAX_DTE_FACIL_LEN || p[1] <= 1)
-					return 0;
+					return -1;
 				dte_facs->calling_len = p[2];
 				memcpy(dte_facs->calling_ae, &p[3], p[1] - 1);
 				*vc_fac_mask |= X25_MASK_CALLING_AE;
 				break;
 			case X25_FAC_CALLED_AE:
 				if (p[1] > X25_MAX_DTE_FACIL_LEN || p[1] <= 1)
-					return 0;
+					return -1;
 				dte_facs->called_len = p[2];
 				memcpy(dte_facs->called_ae, &p[3], p[1] - 1);
 				*vc_fac_mask |= X25_MASK_CALLED_AE;
diff --git a/net/x25/x25_in.c b/net/x25/x25_in.c
index f729f02..15de65f 100644
--- a/net/x25/x25_in.c
+++ b/net/x25/x25_in.c
@@ -91,10 +91,10 @@
 {
 	struct x25_address source_addr, dest_addr;
 	int len;
+	struct x25_sock *x25 = x25_sk(sk);
 
 	switch (frametype) {
 		case X25_CALL_ACCEPTED: {
-			struct x25_sock *x25 = x25_sk(sk);
 
 			x25_stop_timer(sk);
 			x25->condition = 0x00;
@@ -113,14 +113,16 @@
 						&dest_addr);
 			if (len > 0)
 				skb_pull(skb, len);
+			else if (len < 0)
+				goto out_clear;
 
 			len = x25_parse_facilities(skb, &x25->facilities,
 						&x25->dte_facilities,
 						&x25->vc_facil_mask);
 			if (len > 0)
 				skb_pull(skb, len);
-			else
-				return -1;
+			else if (len < 0)
+				goto out_clear;
 			/*
 			 *	Copy any Call User Data.
 			 */
@@ -144,6 +146,12 @@
 	}
 
 	return 0;
+
+out_clear:
+	x25_write_internal(sk, X25_CLEAR_REQUEST);
+	x25->state = X25_STATE_2;
+	x25_start_t23timer(sk);
+	return 0;
 }
 
 /*
diff --git a/net/x25/x25_link.c b/net/x25/x25_link.c
index 4cbc942..2130692 100644
--- a/net/x25/x25_link.c
+++ b/net/x25/x25_link.c
@@ -396,9 +396,12 @@
 	write_lock_bh(&x25_neigh_list_lock);
 
 	list_for_each_safe(entry, tmp, &x25_neigh_list) {
+		struct net_device *dev;
+
 		nb = list_entry(entry, struct x25_neigh, node);
+		dev = nb->dev;
 		__x25_remove_neigh(nb);
-		dev_put(nb->dev);
+		dev_put(dev);
 	}
 	write_unlock_bh(&x25_neigh_list_lock);
 }
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 8b3ef40..6459588 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -1340,10 +1340,13 @@
 	default:
 		BUG();
 	}
-	xdst = dst_alloc(dst_ops) ?: ERR_PTR(-ENOBUFS);
+	xdst = dst_alloc(dst_ops);
 	xfrm_policy_put_afinfo(afinfo);
 
-	xdst->flo.ops = &xfrm_bundle_fc_ops;
+	if (likely(xdst))
+		xdst->flo.ops = &xfrm_bundle_fc_ops;
+	else
+		xdst = ERR_PTR(-ENOBUFS);
 
 	return xdst;
 }
diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c
index c9a16ab..6c94c6c 100644
--- a/scripts/basic/fixdep.c
+++ b/scripts/basic/fixdep.c
@@ -315,6 +315,7 @@
 	char *end = m + len;
 	char *p;
 	char s[PATH_MAX];
+	int first;
 
 	p = strchr(m, ':');
 	if (!p) {
@@ -327,6 +328,7 @@
 
 	clear_config();
 
+	first = 1;
 	while (m < end) {
 		while (m < end && (*m == ' ' || *m == '\\' || *m == '\n'))
 			m++;
@@ -340,9 +342,17 @@
 		if (strrcmp(s, "include/generated/autoconf.h") &&
 		    strrcmp(s, "arch/um/include/uml-config.h") &&
 		    strrcmp(s, ".ver")) {
-			printf("  %s \\\n", s);
+			/*
+			 * Do not output the first dependency (the
+			 * source file), so that kbuild is not confused
+			 * if a .c file is rewritten into .S or vice
+			 * versa.
+			 */
+			if (!first)
+				printf("  %s \\\n", s);
 			do_config_file(s);
 		}
+		first = 0;
 		m = p + 1;
 	}
 	printf("\n%s: $(deps_%s)\n\n", target, target);
diff --git a/scripts/package/builddeb b/scripts/package/builddeb
index b0b2357..f6cbc3d 100644
--- a/scripts/package/builddeb
+++ b/scripts/package/builddeb
@@ -238,12 +238,12 @@
 fi
 
 # Build header package
-find . -name Makefile -o -name Kconfig\* -o -name \*.pl > /tmp/files$$
-find arch/x86/include include scripts -type f >> /tmp/files$$
+(cd $srctree; find . -name Makefile -o -name Kconfig\* -o -name \*.pl > /tmp/files$$)
+(cd $srctree; find arch/$SRCARCH/include include scripts -type f >> /tmp/files$$)
 (cd $objtree; find .config Module.symvers include scripts -type f >> /tmp/objfiles$$)
 destdir=$kernel_headers_dir/usr/src/linux-headers-$version
 mkdir -p "$destdir"
-tar -c -f - -T /tmp/files$$ | (cd $destdir; tar -xf -)
+(cd $srctree; tar -c -f - -T /tmp/files$$) | (cd $destdir; tar -xf -)
 (cd $objtree; tar -c -f - -T /tmp/objfiles$$) | (cd $destdir; tar -xf -)
 rm -f /tmp/files$$ /tmp/objfiles$$
 arch=$(dpkg --print-architecture)
diff --git a/security/security.c b/security/security.c
index 739e403..7b7308a 100644
--- a/security/security.c
+++ b/security/security.c
@@ -154,10 +154,9 @@
 				    effective, inheritable, permitted);
 }
 
-int security_capable(int cap)
+int security_capable(const struct cred *cred, int cap)
 {
-	return security_ops->capable(current, current_cred(), cap,
-				     SECURITY_CAP_AUDIT);
+	return security_ops->capable(current, cred, cap, SECURITY_CAP_AUDIT);
 }
 
 int security_real_capable(struct task_struct *tsk, int cap)
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index e276eb4..c8d6992 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -3198,7 +3198,11 @@
 {
 	struct task_security_struct *tsec = cred->security;
 
-	BUG_ON((unsigned long) cred->security < PAGE_SIZE);
+	/*
+	 * cred->security == NULL if security_cred_alloc_blank() or
+	 * security_prepare_creds() returned an error.
+	 */
+	BUG_ON(cred->security && (unsigned long) cred->security < PAGE_SIZE);
 	cred->security = (void *) 0x7UL;
 	kfree(tsec);
 }
diff --git a/sound/arm/aaci.c b/sound/arm/aaci.c
index 24d3013..7c1fc64 100644
--- a/sound/arm/aaci.c
+++ b/sound/arm/aaci.c
@@ -50,7 +50,11 @@
 	if (v & SLFR_1RXV)
 		readl(aaci->base + AACI_SL1RX);
 
-	writel(maincr, aaci->base + AACI_MAINCR);
+	if (maincr != readl(aaci->base + AACI_MAINCR)) {
+		writel(maincr, aaci->base + AACI_MAINCR);
+		readl(aaci->base + AACI_MAINCR);
+		udelay(1);
+	}
 }
 
 /*
@@ -993,6 +997,8 @@
 	 * disabling the channel doesn't clear the FIFO.
 	 */
 	writel(aaci->maincr & ~MAINCR_IE, aaci->base + AACI_MAINCR);
+	readl(aaci->base + AACI_MAINCR);
+	udelay(1);
 	writel(aaci->maincr, aaci->base + AACI_MAINCR);
 
 	/*
diff --git a/sound/core/hrtimer.c b/sound/core/hrtimer.c
index 7730575..b8b31c4 100644
--- a/sound/core/hrtimer.c
+++ b/sound/core/hrtimer.c
@@ -45,12 +45,13 @@
 {
 	struct snd_hrtimer *stime = container_of(hrt, struct snd_hrtimer, hrt);
 	struct snd_timer *t = stime->timer;
+	unsigned long oruns;
 
 	if (!atomic_read(&stime->running))
 		return HRTIMER_NORESTART;
 
-	hrtimer_forward_now(hrt, ns_to_ktime(t->sticks * resolution));
-	snd_timer_interrupt(stime->timer, t->sticks);
+	oruns = hrtimer_forward_now(hrt, ns_to_ktime(t->sticks * resolution));
+	snd_timer_interrupt(stime->timer, t->sticks * oruns);
 
 	if (!atomic_read(&stime->running))
 		return HRTIMER_NORESTART;
@@ -104,7 +105,7 @@
 }
 
 static struct snd_timer_hardware hrtimer_hw = {
-	.flags =	SNDRV_TIMER_HW_AUTO,
+	.flags =	SNDRV_TIMER_HW_AUTO | SNDRV_TIMER_HW_TASKLET,
 	.open =		snd_hrtimer_open,
 	.close =	snd_hrtimer_close,
 	.start =	snd_hrtimer_start,
diff --git a/sound/core/jack.c b/sound/core/jack.c
index 4902ae5..53b53e9 100644
--- a/sound/core/jack.c
+++ b/sound/core/jack.c
@@ -141,6 +141,7 @@
 
 fail_input:
 	input_free_device(jack->input_dev);
+	kfree(jack->id);
 	kfree(jack);
 	return err;
 }
diff --git a/sound/pci/au88x0/au88x0_core.c b/sound/pci/au88x0/au88x0_core.c
index 23f49f3..16c0bdf 100644
--- a/sound/pci/au88x0/au88x0_core.c
+++ b/sound/pci/au88x0/au88x0_core.c
@@ -1252,11 +1252,19 @@
 static int inline vortex_adbdma_getlinearpos(vortex_t * vortex, int adbdma)
 {
 	stream_t *dma = &vortex->dma_adb[adbdma];
-	int temp;
+	int temp, page, delta;
 
 	temp = hwread(vortex->mmio, VORTEX_ADBDMA_STAT + (adbdma << 2));
-	temp = (dma->period_virt * dma->period_bytes) + (temp & (dma->period_bytes - 1));
-	return temp;
+	page = (temp & ADB_SUBBUF_MASK) >> ADB_SUBBUF_SHIFT;
+	if (dma->nr_periods >= 4)
+		delta = (page - dma->period_real) & 3;
+	else {
+		delta = (page - dma->period_real);
+		if (delta < 0)
+			delta += dma->nr_periods;
+	}
+	return (dma->period_virt + delta) * dma->period_bytes
+		+ (temp & (dma->period_bytes - 1));
 }
 
 static void vortex_adbdma_startfifo(vortex_t * vortex, int adbdma)
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 2e91a99..fcedad9 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2308,6 +2308,7 @@
 	SND_PCI_QUIRK(0x1043, 0x813d, "ASUS P5AD2", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1043, 0x81b3, "ASUS", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1043, 0x81e7, "ASUS M2V", POS_FIX_LPIB),
+	SND_PCI_QUIRK(0x1043, 0x8410, "ASUS", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x104d, 0x9069, "Sony VPCS11V9E", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1106, 0x3288, "ASUS M2V-MX SE", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1179, 0xff10, "Toshiba A100-259", POS_FIX_LPIB),
@@ -2703,7 +2704,7 @@
 	if (err < 0)
 		goto out_free;
 #ifdef CONFIG_SND_HDA_PATCH_LOADER
-	if (patch[dev]) {
+	if (patch[dev] && *patch[dev]) {
 		snd_printk(KERN_ERR SFX "Applying patch firmware '%s'\n",
 			   patch[dev]);
 		err = snd_hda_load_patch(chip->bus, patch[dev]);
diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index fbe97d3..4d5004e 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -3114,6 +3114,8 @@
 	SND_PCI_QUIRK(0x1028, 0x0401, "Dell Vostro 1014", CXT5066_DELL_VOSTRO),
 	SND_PCI_QUIRK(0x1028, 0x0402, "Dell Vostro", CXT5066_DELL_VOSTRO),
 	SND_PCI_QUIRK(0x1028, 0x0408, "Dell Inspiron One 19T", CXT5066_IDEAPAD),
+	SND_PCI_QUIRK(0x1028, 0x050f, "Dell Inspiron", CXT5066_IDEAPAD),
+	SND_PCI_QUIRK(0x1028, 0x0510, "Dell Vostro", CXT5066_IDEAPAD),
 	SND_PCI_QUIRK(0x103c, 0x360b, "HP G60", CXT5066_HP_LAPTOP),
 	SND_PCI_QUIRK(0x1043, 0x13f3, "Asus A52J", CXT5066_ASUS),
 	SND_PCI_QUIRK(0x1043, 0x1643, "Asus K52JU", CXT5066_ASUS),
@@ -3410,7 +3412,7 @@
 		}
 	}
 	spec->multiout.dac_nids = spec->private_dac_nids;
-	spec->multiout.max_channels = nums * 2;
+	spec->multiout.max_channels = spec->multiout.num_dacs * 2;
 
 	if (cfg->hp_outs > 0)
 		spec->auto_mute = 1;
@@ -3729,9 +3731,9 @@
 	return 0;
 }
 
-static int cx_auto_add_volume(struct hda_codec *codec, const char *basename,
+static int cx_auto_add_volume_idx(struct hda_codec *codec, const char *basename,
 			      const char *dir, int cidx,
-			      hda_nid_t nid, int hda_dir)
+			      hda_nid_t nid, int hda_dir, int amp_idx)
 {
 	static char name[32];
 	static struct snd_kcontrol_new knew[] = {
@@ -3743,7 +3745,8 @@
 
 	for (i = 0; i < 2; i++) {
 		struct snd_kcontrol *kctl;
-		knew[i].private_value = HDA_COMPOSE_AMP_VAL(nid, 3, 0, hda_dir);
+		knew[i].private_value = HDA_COMPOSE_AMP_VAL(nid, 3, amp_idx,
+							    hda_dir);
 		knew[i].subdevice = HDA_SUBDEV_AMP_FLAG;
 		knew[i].index = cidx;
 		snprintf(name, sizeof(name), "%s%s %s", basename, dir, sfx[i]);
@@ -3759,6 +3762,9 @@
 	return 0;
 }
 
+#define cx_auto_add_volume(codec, str, dir, cidx, nid, hda_dir)		\
+	cx_auto_add_volume_idx(codec, str, dir, cidx, nid, hda_dir, 0)
+
 #define cx_auto_add_pb_volume(codec, nid, str, idx)			\
 	cx_auto_add_volume(codec, str, " Playback", idx, nid, HDA_OUTPUT)
 
@@ -3808,29 +3814,60 @@
 	struct conexant_spec *spec = codec->spec;
 	struct auto_pin_cfg *cfg = &spec->autocfg;
 	static const char *prev_label;
-	int i, err, cidx;
+	int i, err, cidx, conn_len;
+	hda_nid_t conn[HDA_MAX_CONNECTIONS];
 
-	err = cx_auto_add_volume(codec, "Capture", "", 0, spec->adc_nids[0],
-				 HDA_INPUT);
-	if (err < 0)
-		return err;
+	int multi_adc_volume = 0; /* If the ADC nid has several input volumes */
+	int adc_nid = spec->adc_nids[0];
+
+	conn_len = snd_hda_get_connections(codec, adc_nid, conn,
+					   HDA_MAX_CONNECTIONS);
+	if (conn_len < 0)
+		return conn_len;
+
+	multi_adc_volume = cfg->num_inputs > 1 && conn_len > 1;
+	if (!multi_adc_volume) {
+		err = cx_auto_add_volume(codec, "Capture", "", 0, adc_nid,
+					 HDA_INPUT);
+		if (err < 0)
+			return err;
+	}
+
 	prev_label = NULL;
 	cidx = 0;
 	for (i = 0; i < cfg->num_inputs; i++) {
 		hda_nid_t nid = cfg->inputs[i].pin;
 		const char *label;
-		if (!(get_wcaps(codec, nid) & AC_WCAP_IN_AMP))
+		int j;
+		int pin_amp = get_wcaps(codec, nid) & AC_WCAP_IN_AMP;
+		if (!pin_amp && !multi_adc_volume)
 			continue;
+
 		label = hda_get_autocfg_input_label(codec, cfg, i);
 		if (label == prev_label)
 			cidx++;
 		else
 			cidx = 0;
 		prev_label = label;
-		err = cx_auto_add_volume(codec, label, " Capture", cidx,
-					 nid, HDA_INPUT);
-		if (err < 0)
-			return err;
+
+		if (pin_amp) {
+			err = cx_auto_add_volume(codec, label, " Boost", cidx,
+						 nid, HDA_INPUT);
+			if (err < 0)
+				return err;
+		}
+
+		if (!multi_adc_volume)
+			continue;
+		for (j = 0; j < conn_len; j++) {
+			if (conn[j] == nid) {
+				err = cx_auto_add_volume_idx(codec, label,
+				    " Capture", cidx, adc_nid, HDA_INPUT, j);
+				if (err < 0)
+					return err;
+				break;
+			}
+		}
 	}
 	return 0;
 }
@@ -3902,6 +3939,8 @@
 	  .patch = patch_cxt5066 },
 	{ .id = 0x14f15069, .name = "CX20585",
 	  .patch = patch_cxt5066 },
+	{ .id = 0x14f1506e, .name = "CX20590",
+	  .patch = patch_cxt5066 },
 	{ .id = 0x14f15097, .name = "CX20631",
 	  .patch = patch_conexant_auto },
 	{ .id = 0x14f15098, .name = "CX20632",
@@ -3928,6 +3967,7 @@
 MODULE_ALIAS("snd-hda-codec-id:14f15067");
 MODULE_ALIAS("snd-hda-codec-id:14f15068");
 MODULE_ALIAS("snd-hda-codec-id:14f15069");
+MODULE_ALIAS("snd-hda-codec-id:14f1506e");
 MODULE_ALIAS("snd-hda-codec-id:14f15097");
 MODULE_ALIAS("snd-hda-codec-id:14f15098");
 MODULE_ALIAS("snd-hda-codec-id:14f150a1");
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index 2d5b83f..a587677 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -642,6 +642,7 @@
 			hdmi_ai->ver		= 0x01;
 			hdmi_ai->len		= 0x0a;
 			hdmi_ai->CC02_CT47	= channels - 1;
+			hdmi_ai->CA		= ca;
 			hdmi_checksum_audio_infoframe(hdmi_ai);
 		} else if (spec->sink_eld[i].conn_type == 1) { /* DisplayPort */
 			struct dp_audio_infoframe *dp_ai;
@@ -651,6 +652,7 @@
 			dp_ai->len		= 0x1b;
 			dp_ai->ver		= 0x11 << 2;
 			dp_ai->CC02_CT47	= channels - 1;
+			dp_ai->CA		= ca;
 		} else {
 			snd_printd("HDMI: unknown connection type at pin %d\n",
 				   pin_nid);
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 2fa9ed9..3328a25 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -2290,6 +2290,29 @@
 	{ } /* end */
 };
 
+static struct snd_kcontrol_new alc888_acer_aspire_4930g_mixer[] = {
+	HDA_CODEC_VOLUME("Front Playback Volume", 0x0c, 0x0, HDA_OUTPUT),
+	HDA_BIND_MUTE("Front Playback Switch", 0x0c, 2, HDA_INPUT),
+	HDA_CODEC_VOLUME("Surround Playback Volume", 0x0d, 0x0, HDA_OUTPUT),
+	HDA_BIND_MUTE("Surround Playback Switch", 0x0d, 2, HDA_INPUT),
+	HDA_CODEC_VOLUME_MONO("Center Playback Volume", 0x0f, 2, 0x0,
+		HDA_OUTPUT),
+	HDA_BIND_MUTE_MONO("Center Playback Switch", 0x0f, 2, 2, HDA_INPUT),
+	HDA_CODEC_VOLUME_MONO("LFE Playback Volume", 0x0f, 1, 0x0, HDA_OUTPUT),
+	HDA_BIND_MUTE_MONO("LFE Playback Switch", 0x0f, 1, 2, HDA_INPUT),
+	HDA_CODEC_VOLUME("Side Playback Volume", 0x0e, 0x0, HDA_OUTPUT),
+	HDA_BIND_MUTE("Side Playback Switch", 0x0e, 2, HDA_INPUT),
+	HDA_CODEC_VOLUME("CD Playback Volume", 0x0b, 0x04, HDA_INPUT),
+	HDA_CODEC_MUTE("CD Playback Switch", 0x0b, 0x04, HDA_INPUT),
+	HDA_CODEC_VOLUME("Line Playback Volume", 0x0b, 0x02, HDA_INPUT),
+	HDA_CODEC_MUTE("Line Playback Switch", 0x0b, 0x02, HDA_INPUT),
+	HDA_CODEC_VOLUME("Mic Playback Volume", 0x0b, 0x0, HDA_INPUT),
+	HDA_CODEC_VOLUME("Mic Boost Volume", 0x18, 0, HDA_INPUT),
+	HDA_CODEC_MUTE("Mic Playback Switch", 0x0b, 0x0, HDA_INPUT),
+	{ } /* end */
+};
+
+
 static struct snd_kcontrol_new alc889_acer_aspire_8930g_mixer[] = {
 	HDA_CODEC_VOLUME("Front Playback Volume", 0x0c, 0x0, HDA_OUTPUT),
 	HDA_BIND_MUTE("Front Playback Switch", 0x0c, 2, HDA_INPUT),
@@ -10359,7 +10382,7 @@
 		.init_hook = alc_automute_amp,
 	},
 	[ALC888_ACER_ASPIRE_4930G] = {
-		.mixers = { alc888_base_mixer,
+		.mixers = { alc888_acer_aspire_4930g_mixer,
 				alc883_chmode_mixer },
 		.init_verbs = { alc883_init_verbs, alc880_gpio1_init_verbs,
 				alc888_acer_aspire_4930g_verbs },
@@ -18802,6 +18825,7 @@
 					ALC662_3ST_6ch_DIG),
 	SND_PCI_QUIRK_MASK(0x1854, 0xf000, 0x2000, "ASUS H13-200x",
 			   ALC663_ASUS_H13),
+	SND_PCI_QUIRK(0x1991, 0x5628, "Ordissimo EVE", ALC662_LENOVO_101E),
 	{}
 };
 
@@ -19494,6 +19518,7 @@
 };
 
 static struct snd_pci_quirk alc662_fixup_tbl[] = {
+	SND_PCI_QUIRK(0x1025, 0x0308, "Acer Aspire 8942G", ALC662_FIXUP_ASPIRE),
 	SND_PCI_QUIRK(0x1025, 0x038b, "Acer Aspire 8943G", ALC662_FIXUP_ASPIRE),
 	SND_PCI_QUIRK(0x144d, 0xc051, "Samsung R720", ALC662_FIXUP_IDEAPAD),
 	SND_PCI_QUIRK(0x17aa, 0x38af, "Lenovo Ideapad Y550P", ALC662_FIXUP_IDEAPAD),
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 9ea48b4..bd7b123 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -586,7 +586,12 @@
 	0x0f, 0x10, 0x11, 0x1f, 0x20,
 };
 
-static hda_nid_t stac92hd88xxx_pin_nids[10] = {
+static hda_nid_t stac92hd87xxx_pin_nids[6] = {
+	0x0a, 0x0b, 0x0c, 0x0d,
+	0x0f, 0x11,
+};
+
+static hda_nid_t stac92hd88xxx_pin_nids[8] = {
 	0x0a, 0x0b, 0x0c, 0x0d,
 	0x0f, 0x11, 0x1f, 0x20,
 };
@@ -5430,12 +5435,13 @@
 	switch (codec->vendor_id) {
 	case 0x111d76d1:
 	case 0x111d76d9:
+	case 0x111d76e5:
 		spec->dmic_nids = stac92hd87b_dmic_nids;
 		spec->num_dmics = stac92xx_connected_ports(codec,
 				stac92hd87b_dmic_nids,
 				STAC92HD87B_NUM_DMICS);
-		spec->num_pins = ARRAY_SIZE(stac92hd88xxx_pin_nids);
-		spec->pin_nids = stac92hd88xxx_pin_nids;
+		spec->num_pins = ARRAY_SIZE(stac92hd87xxx_pin_nids);
+		spec->pin_nids = stac92hd87xxx_pin_nids;
 		spec->mono_nid = 0;
 		spec->num_pwrs = 0;
 		break;
@@ -5443,6 +5449,7 @@
 	case 0x111d7667:
 	case 0x111d7668:
 	case 0x111d7669:
+	case 0x111d76e3:
 		spec->num_dmics = stac92xx_connected_ports(codec,
 				stac92hd88xxx_dmic_nids,
 				STAC92HD88XXX_NUM_DMICS);
@@ -6387,6 +6394,8 @@
 	{ .id = 0x111d76cd, .name = "92HD89F2", .patch = patch_stac92hd73xx },
 	{ .id = 0x111d76ce, .name = "92HD89F1", .patch = patch_stac92hd73xx },
 	{ .id = 0x111d76e0, .name = "92HD91BXX", .patch = patch_stac92hd83xxx},
+	{ .id = 0x111d76e3, .name = "92HD98BXX", .patch = patch_stac92hd83xxx},
+	{ .id = 0x111d76e5, .name = "92HD99BXX", .patch = patch_stac92hd83xxx},
 	{ .id = 0x111d76e7, .name = "92HD90BXX", .patch = patch_stac92hd83xxx},
 	{} /* terminator */
 };
diff --git a/sound/pci/hda/patch_via.c b/sound/pci/hda/patch_via.c
index a76c326..63b0054 100644
--- a/sound/pci/hda/patch_via.c
+++ b/sound/pci/hda/patch_via.c
@@ -567,7 +567,7 @@
 		hda_nid_t nid = cfg->inputs[i].pin;
 		if (spec->smart51_enabled && is_smart51_pins(spec, nid))
 			ctl = PIN_OUT;
-		else if (i == AUTO_PIN_MIC)
+		else if (cfg->inputs[i].type == AUTO_PIN_MIC)
 			ctl = PIN_VREF50;
 		else
 			ctl = PIN_IN;
diff --git a/sound/soc/codecs/cx20442.c b/sound/soc/codecs/cx20442.c
index bb4bf65..0bb424a 100644
--- a/sound/soc/codecs/cx20442.c
+++ b/sound/soc/codecs/cx20442.c
@@ -367,7 +367,7 @@
 	return 0;
 }
 
-static const u8 cx20442_reg = CX20442_TELOUT | CX20442_MIC;
+static const u8 cx20442_reg;
 
 static struct snd_soc_codec_driver cx20442_codec_dev = {
 	.probe = 	cx20442_codec_probe,
diff --git a/sound/soc/codecs/wm8903.c b/sound/soc/codecs/wm8903.c
index 987476a..017d99c 100644
--- a/sound/soc/codecs/wm8903.c
+++ b/sound/soc/codecs/wm8903.c
@@ -1482,7 +1482,7 @@
 			    WM8903_MICDET_EINT | WM8903_MICSHRT_EINT,
 			    irq_mask);
 
-	if (det && shrt) {
+	if (det || shrt) {
 		/* Enable mic detection, this may not have been set through
 		 * platform data (eg, if the defaults are OK). */
 		snd_soc_update_bits(codec, WM8903_WRITE_SEQUENCER_0,
diff --git a/sound/soc/codecs/wm8903.h b/sound/soc/codecs/wm8903.h
index e8490f3..e3ec243 100644
--- a/sound/soc/codecs/wm8903.h
+++ b/sound/soc/codecs/wm8903.h
@@ -165,7 +165,7 @@
 
 #define WM8903_VMID_RES_50K                          2
 #define WM8903_VMID_RES_250K                         3
-#define WM8903_VMID_RES_5K                           4
+#define WM8903_VMID_RES_5K                           6
 
 /*
  * R8 (0x08) - Analogue DAC 0
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index 3351f77..ebaee5c 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -107,6 +107,9 @@
 
 	int revision;
 	struct wm8994_pdata *pdata;
+
+	unsigned int aif1clk_enable:1;
+	unsigned int aif2clk_enable:1;
 };
 
 static int wm8994_readable(unsigned int reg)
@@ -1004,6 +1007,93 @@
 	}
 }
 
+static int late_enable_ev(struct snd_soc_dapm_widget *w,
+			  struct snd_kcontrol *kcontrol, int event)
+{
+	struct snd_soc_codec *codec = w->codec;
+	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+
+	switch (event) {
+	case SND_SOC_DAPM_PRE_PMU:
+		if (wm8994->aif1clk_enable)
+			snd_soc_update_bits(codec, WM8994_AIF1_CLOCKING_1,
+					    WM8994_AIF1CLK_ENA_MASK,
+					    WM8994_AIF1CLK_ENA);
+		if (wm8994->aif2clk_enable)
+			snd_soc_update_bits(codec, WM8994_AIF2_CLOCKING_1,
+					    WM8994_AIF2CLK_ENA_MASK,
+					    WM8994_AIF2CLK_ENA);
+		break;
+	}
+
+	return 0;
+}
+
+static int late_disable_ev(struct snd_soc_dapm_widget *w,
+			   struct snd_kcontrol *kcontrol, int event)
+{
+	struct snd_soc_codec *codec = w->codec;
+	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+
+	switch (event) {
+	case SND_SOC_DAPM_POST_PMD:
+		if (wm8994->aif1clk_enable) {
+			snd_soc_update_bits(codec, WM8994_AIF1_CLOCKING_1,
+					    WM8994_AIF1CLK_ENA_MASK, 0);
+			wm8994->aif1clk_enable = 0;
+		}
+		if (wm8994->aif2clk_enable) {
+			snd_soc_update_bits(codec, WM8994_AIF2_CLOCKING_1,
+					    WM8994_AIF2CLK_ENA_MASK, 0);
+			wm8994->aif2clk_enable = 0;
+		}
+		break;
+	}
+
+	return 0;
+}
+
+static int aif1clk_ev(struct snd_soc_dapm_widget *w,
+		      struct snd_kcontrol *kcontrol, int event)
+{
+	struct snd_soc_codec *codec = w->codec;
+	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+
+	switch (event) {
+	case SND_SOC_DAPM_PRE_PMU:
+		wm8994->aif1clk_enable = 1;
+		break;
+	}
+
+	return 0;
+}
+
+static int aif2clk_ev(struct snd_soc_dapm_widget *w,
+		      struct snd_kcontrol *kcontrol, int event)
+{
+	struct snd_soc_codec *codec = w->codec;
+	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+
+	switch (event) {
+	case SND_SOC_DAPM_PRE_PMU:
+		wm8994->aif2clk_enable = 1;
+		break;
+	}
+
+	return 0;
+}
+
+static int dac_ev(struct snd_soc_dapm_widget *w,
+		  struct snd_kcontrol *kcontrol, int event)
+{
+	struct snd_soc_codec *codec = w->codec;
+	unsigned int mask = 1 << w->shift;
+
+	snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
+			    mask, mask);
+	return 0;
+}
+
 static const char *hp_mux_text[] = {
 	"Mixer",
 	"DAC",
@@ -1272,6 +1362,47 @@
 static const struct snd_kcontrol_new aif2dacr_src_mux =
 	SOC_DAPM_ENUM("AIF2DACR Mux", aif2dacr_src_enum);
 
+static const struct snd_soc_dapm_widget wm8994_lateclk_revd_widgets[] = {
+SND_SOC_DAPM_SUPPLY("AIF1CLK", SND_SOC_NOPM, 0, 0, aif1clk_ev,
+	SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+SND_SOC_DAPM_SUPPLY("AIF2CLK", SND_SOC_NOPM, 0, 0, aif2clk_ev,
+	SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+
+SND_SOC_DAPM_PGA_E("Late DAC1L Enable PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
+	late_enable_ev, SND_SOC_DAPM_PRE_PMU),
+SND_SOC_DAPM_PGA_E("Late DAC1R Enable PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
+	late_enable_ev, SND_SOC_DAPM_PRE_PMU),
+SND_SOC_DAPM_PGA_E("Late DAC2L Enable PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
+	late_enable_ev, SND_SOC_DAPM_PRE_PMU),
+SND_SOC_DAPM_PGA_E("Late DAC2R Enable PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
+	late_enable_ev, SND_SOC_DAPM_PRE_PMU),
+
+SND_SOC_DAPM_POST("Late Disable PGA", late_disable_ev)
+};
+
+static const struct snd_soc_dapm_widget wm8994_lateclk_widgets[] = {
+SND_SOC_DAPM_SUPPLY("AIF1CLK", WM8994_AIF1_CLOCKING_1, 0, 0, NULL, 0),
+SND_SOC_DAPM_SUPPLY("AIF2CLK", WM8994_AIF2_CLOCKING_1, 0, 0, NULL, 0)
+};
+
+static const struct snd_soc_dapm_widget wm8994_dac_revd_widgets[] = {
+SND_SOC_DAPM_DAC_E("DAC2L", NULL, SND_SOC_NOPM, 3, 0,
+	dac_ev, SND_SOC_DAPM_PRE_PMU),
+SND_SOC_DAPM_DAC_E("DAC2R", NULL, SND_SOC_NOPM, 2, 0,
+	dac_ev, SND_SOC_DAPM_PRE_PMU),
+SND_SOC_DAPM_DAC_E("DAC1L", NULL, SND_SOC_NOPM, 1, 0,
+	dac_ev, SND_SOC_DAPM_PRE_PMU),
+SND_SOC_DAPM_DAC_E("DAC1R", NULL, SND_SOC_NOPM, 0, 0,
+	dac_ev, SND_SOC_DAPM_PRE_PMU),
+};
+
+static const struct snd_soc_dapm_widget wm8994_dac_widgets[] = {
+SND_SOC_DAPM_DAC("DAC2L", NULL, WM8994_POWER_MANAGEMENT_5, 3, 0),
+SND_SOC_DAPM_DAC("DAC1R", NULL, WM8994_POWER_MANAGEMENT_5, 2, 0),
+SND_SOC_DAPM_DAC("DAC1L", NULL, WM8994_POWER_MANAGEMENT_5, 1, 0),
+SND_SOC_DAPM_DAC("DAC1R", NULL, WM8994_POWER_MANAGEMENT_5, 0, 0),
+};
+
 static const struct snd_soc_dapm_widget wm8994_dapm_widgets[] = {
 SND_SOC_DAPM_INPUT("DMIC1DAT"),
 SND_SOC_DAPM_INPUT("DMIC2DAT"),
@@ -1284,12 +1415,9 @@
 SND_SOC_DAPM_SUPPLY("DSP2CLK", WM8994_CLOCKING_1, 2, 0, NULL, 0),
 SND_SOC_DAPM_SUPPLY("DSPINTCLK", WM8994_CLOCKING_1, 1, 0, NULL, 0),
 
-SND_SOC_DAPM_SUPPLY("AIF1CLK", WM8994_AIF1_CLOCKING_1, 0, 0, NULL, 0),
-SND_SOC_DAPM_SUPPLY("AIF2CLK", WM8994_AIF2_CLOCKING_1, 0, 0, NULL, 0),
-
-SND_SOC_DAPM_AIF_OUT("AIF1ADC1L", "AIF1 Capture",
+SND_SOC_DAPM_AIF_OUT("AIF1ADC1L", NULL,
 		     0, WM8994_POWER_MANAGEMENT_4, 9, 0),
-SND_SOC_DAPM_AIF_OUT("AIF1ADC1R", "AIF1 Capture",
+SND_SOC_DAPM_AIF_OUT("AIF1ADC1R", NULL,
 		     0, WM8994_POWER_MANAGEMENT_4, 8, 0),
 SND_SOC_DAPM_AIF_IN_E("AIF1DAC1L", NULL, 0,
 		      WM8994_POWER_MANAGEMENT_5, 9, 0, wm8958_aif_ev,
@@ -1298,9 +1426,9 @@
 		      WM8994_POWER_MANAGEMENT_5, 8, 0, wm8958_aif_ev,
 		      SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 
-SND_SOC_DAPM_AIF_OUT("AIF1ADC2L", "AIF1 Capture",
+SND_SOC_DAPM_AIF_OUT("AIF1ADC2L", NULL,
 		     0, WM8994_POWER_MANAGEMENT_4, 11, 0),
-SND_SOC_DAPM_AIF_OUT("AIF1ADC2R", "AIF1 Capture",
+SND_SOC_DAPM_AIF_OUT("AIF1ADC2R", NULL,
 		     0, WM8994_POWER_MANAGEMENT_4, 10, 0),
 SND_SOC_DAPM_AIF_IN_E("AIF1DAC2L", NULL, 0,
 		      WM8994_POWER_MANAGEMENT_5, 11, 0, wm8958_aif_ev,
@@ -1345,6 +1473,7 @@
 
 SND_SOC_DAPM_AIF_IN("AIF1DACDAT", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
 SND_SOC_DAPM_AIF_IN("AIF2DACDAT", "AIF2 Playback", 0, SND_SOC_NOPM, 0, 0),
+SND_SOC_DAPM_AIF_OUT("AIF1ADCDAT", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
 SND_SOC_DAPM_AIF_OUT("AIF2ADCDAT", "AIF2 Capture", 0, SND_SOC_NOPM, 0, 0),
 
 SND_SOC_DAPM_MUX("AIF1DAC Mux", SND_SOC_NOPM, 0, 0, &aif1dac_mux),
@@ -1371,11 +1500,6 @@
 SND_SOC_DAPM_MUX("ADCL Mux", WM8994_POWER_MANAGEMENT_4, 1, 0, &adcl_mux),
 SND_SOC_DAPM_MUX("ADCR Mux", WM8994_POWER_MANAGEMENT_4, 0, 0, &adcr_mux),
 
-SND_SOC_DAPM_DAC("DAC2L", NULL, WM8994_POWER_MANAGEMENT_5, 3, 0),
-SND_SOC_DAPM_DAC("DAC2R", NULL, WM8994_POWER_MANAGEMENT_5, 2, 0),
-SND_SOC_DAPM_DAC("DAC1L", NULL, WM8994_POWER_MANAGEMENT_5, 1, 0),
-SND_SOC_DAPM_DAC("DAC1R", NULL, WM8994_POWER_MANAGEMENT_5, 0, 0),
-
 SND_SOC_DAPM_MUX("Left Headphone Mux", SND_SOC_NOPM, 0, 0, &hpl_mux),
 SND_SOC_DAPM_MUX("Right Headphone Mux", SND_SOC_NOPM, 0, 0, &hpr_mux),
 
@@ -1515,14 +1639,12 @@
 	{ "AIF2ADC Mux", "AIF3DACDAT", "AIF3ADCDAT" },
 
 	/* DAC1 inputs */
-	{ "DAC1L", NULL, "DAC1L Mixer" },
 	{ "DAC1L Mixer", "AIF2 Switch", "AIF2DACL" },
 	{ "DAC1L Mixer", "AIF1.2 Switch", "AIF1DAC2L" },
 	{ "DAC1L Mixer", "AIF1.1 Switch", "AIF1DAC1L" },
 	{ "DAC1L Mixer", "Left Sidetone Switch", "Left Sidetone" },
 	{ "DAC1L Mixer", "Right Sidetone Switch", "Right Sidetone" },
 
-	{ "DAC1R", NULL, "DAC1R Mixer" },
 	{ "DAC1R Mixer", "AIF2 Switch", "AIF2DACR" },
 	{ "DAC1R Mixer", "AIF1.2 Switch", "AIF1DAC2R" },
 	{ "DAC1R Mixer", "AIF1.1 Switch", "AIF1DAC1R" },
@@ -1531,7 +1653,6 @@
 
 	/* DAC2/AIF2 outputs  */
 	{ "AIF2ADCL", NULL, "AIF2DAC2L Mixer" },
-	{ "DAC2L", NULL, "AIF2DAC2L Mixer" },
 	{ "AIF2DAC2L Mixer", "AIF2 Switch", "AIF2DACL" },
 	{ "AIF2DAC2L Mixer", "AIF1.2 Switch", "AIF1DAC2L" },
 	{ "AIF2DAC2L Mixer", "AIF1.1 Switch", "AIF1DAC1L" },
@@ -1539,13 +1660,17 @@
 	{ "AIF2DAC2L Mixer", "Right Sidetone Switch", "Right Sidetone" },
 
 	{ "AIF2ADCR", NULL, "AIF2DAC2R Mixer" },
-	{ "DAC2R", NULL, "AIF2DAC2R Mixer" },
 	{ "AIF2DAC2R Mixer", "AIF2 Switch", "AIF2DACR" },
 	{ "AIF2DAC2R Mixer", "AIF1.2 Switch", "AIF1DAC2R" },
 	{ "AIF2DAC2R Mixer", "AIF1.1 Switch", "AIF1DAC1R" },
 	{ "AIF2DAC2R Mixer", "Left Sidetone Switch", "Left Sidetone" },
 	{ "AIF2DAC2R Mixer", "Right Sidetone Switch", "Right Sidetone" },
 
+	{ "AIF1ADCDAT", NULL, "AIF1ADC1L" },
+	{ "AIF1ADCDAT", NULL, "AIF1ADC1R" },
+	{ "AIF1ADCDAT", NULL, "AIF1ADC2L" },
+	{ "AIF1ADCDAT", NULL, "AIF1ADC2R" },
+
 	{ "AIF2ADCDAT", NULL, "AIF2ADC Mux" },
 
 	/* AIF3 output */
@@ -1578,6 +1703,31 @@
 	{ "Right Headphone Mux", "DAC", "DAC1R" },
 };
 
+static const struct snd_soc_dapm_route wm8994_lateclk_revd_intercon[] = {
+	{ "DAC1L", NULL, "Late DAC1L Enable PGA" },
+	{ "Late DAC1L Enable PGA", NULL, "DAC1L Mixer" },
+	{ "DAC1R", NULL, "Late DAC1R Enable PGA" },
+	{ "Late DAC1R Enable PGA", NULL, "DAC1R Mixer" },
+	{ "DAC2L", NULL, "Late DAC2L Enable PGA" },
+	{ "Late DAC2L Enable PGA", NULL, "AIF2DAC2L Mixer" },
+	{ "DAC2R", NULL, "Late DAC2R Enable PGA" },
+	{ "Late DAC2R Enable PGA", NULL, "AIF2DAC2R Mixer" }
+};
+
+static const struct snd_soc_dapm_route wm8994_lateclk_intercon[] = {
+	{ "DAC1L", NULL, "DAC1L Mixer" },
+	{ "DAC1R", NULL, "DAC1R Mixer" },
+	{ "DAC2L", NULL, "AIF2DAC2L Mixer" },
+	{ "DAC2R", NULL, "AIF2DAC2R Mixer" },
+};
+
+static const struct snd_soc_dapm_route wm8994_revd_intercon[] = {
+	{ "AIF1DACDAT", NULL, "AIF2DACDAT" },
+	{ "AIF2DACDAT", NULL, "AIF1DACDAT" },
+	{ "AIF1ADCDAT", NULL, "AIF2ADCDAT" },
+	{ "AIF2ADCDAT", NULL, "AIF1ADCDAT" },
+};
+
 static const struct snd_soc_dapm_route wm8994_intercon[] = {
 	{ "AIF2DACL", NULL, "AIF2DAC Mux" },
 	{ "AIF2DACR", NULL, "AIF2DAC Mux" },
@@ -2501,6 +2651,22 @@
 {
 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
 	int i, ret;
+	unsigned int val, mask;
+
+	if (wm8994->revision < 4) {
+		/* force a HW read */
+		val = wm8994_reg_read(codec->control_data,
+				      WM8994_POWER_MANAGEMENT_5);
+
+		/* modify the cache only */
+		codec->cache_only = 1;
+		mask =  WM8994_DAC1R_ENA | WM8994_DAC1L_ENA |
+			WM8994_DAC2R_ENA | WM8994_DAC2L_ENA;
+		val &= mask;
+		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
+				    mask, val);
+		codec->cache_only = 0;
+	}
 
 	/* Restore the registers */
 	ret = snd_soc_cache_sync(codec);
@@ -2834,11 +3000,10 @@
 		report |= SND_JACK_BTN_5;
 
 done:
-	snd_soc_jack_report(wm8994->micdet[0].jack,
+	snd_soc_jack_report(wm8994->micdet[0].jack, report,
 			    SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2 |
 			    SND_JACK_BTN_3 | SND_JACK_BTN_4 | SND_JACK_BTN_5 |
-			    SND_JACK_MICROPHONE | SND_JACK_VIDEOOUT,
-			    report);
+			    SND_JACK_MICROPHONE | SND_JACK_VIDEOOUT);
 }
 
 /**
@@ -3112,6 +3277,17 @@
 	case WM8994:
 		snd_soc_dapm_new_controls(dapm, wm8994_specific_dapm_widgets,
 					  ARRAY_SIZE(wm8994_specific_dapm_widgets));
+		if (wm8994->revision < 4) {
+			snd_soc_dapm_new_controls(dapm, wm8994_lateclk_revd_widgets,
+						  ARRAY_SIZE(wm8994_lateclk_revd_widgets));
+			snd_soc_dapm_new_controls(dapm, wm8994_dac_revd_widgets,
+						  ARRAY_SIZE(wm8994_dac_revd_widgets));
+		} else {
+			snd_soc_dapm_new_controls(dapm, wm8994_lateclk_widgets,
+						  ARRAY_SIZE(wm8994_lateclk_widgets));
+			snd_soc_dapm_new_controls(dapm, wm8994_dac_widgets,
+						  ARRAY_SIZE(wm8994_dac_widgets));
+		}
 		break;
 	case WM8958:
 		snd_soc_add_controls(codec, wm8958_snd_controls,
@@ -3129,6 +3305,16 @@
 	case WM8994:
 		snd_soc_dapm_add_routes(dapm, wm8994_intercon,
 					ARRAY_SIZE(wm8994_intercon));
+
+		if (wm8994->revision < 4) {
+			snd_soc_dapm_add_routes(dapm, wm8994_revd_intercon,
+						ARRAY_SIZE(wm8994_revd_intercon));
+			snd_soc_dapm_add_routes(dapm, wm8994_lateclk_revd_intercon,
+						ARRAY_SIZE(wm8994_lateclk_revd_intercon));
+		} else {
+			snd_soc_dapm_add_routes(dapm, wm8994_lateclk_intercon,
+						ARRAY_SIZE(wm8994_lateclk_intercon));
+		}
 		break;
 	case WM8958:
 		snd_soc_dapm_add_routes(dapm, wm8958_intercon,
diff --git a/sound/soc/codecs/wm_hubs.c b/sound/soc/codecs/wm_hubs.c
index 613df5d..5168927 100644
--- a/sound/soc/codecs/wm_hubs.c
+++ b/sound/soc/codecs/wm_hubs.c
@@ -674,6 +674,9 @@
 };
 
 static const struct snd_soc_dapm_route analogue_routes[] = {
+	{ "MICBIAS1", NULL, "CLK_SYS" },
+	{ "MICBIAS2", NULL, "CLK_SYS" },
+
 	{ "IN1L PGA", "IN1LP Switch", "IN1LP" },
 	{ "IN1L PGA", "IN1LN Switch", "IN1LN" },
 
diff --git a/sound/soc/davinci/davinci-evm.c b/sound/soc/davinci/davinci-evm.c
index b36f0b3..fe79842 100644
--- a/sound/soc/davinci/davinci-evm.c
+++ b/sound/soc/davinci/davinci-evm.c
@@ -218,7 +218,19 @@
 		.ops = &evm_spdif_ops,
 	},
 };
-static struct snd_soc_dai_link da8xx_evm_dai = {
+
+static struct snd_soc_dai_link da830_evm_dai = {
+	.name = "TLV320AIC3X",
+	.stream_name = "AIC3X",
+	.cpu_dai_name = "davinci-mcasp.1",
+	.codec_dai_name = "tlv320aic3x-hifi",
+	.codec_name = "tlv320aic3x-codec.1-0018",
+	.platform_name = "davinci-pcm-audio",
+	.init = evm_aic3x_init,
+	.ops = &evm_ops,
+};
+
+static struct snd_soc_dai_link da850_evm_dai = {
 	.name = "TLV320AIC3X",
 	.stream_name = "AIC3X",
 	.cpu_dai_name= "davinci-mcasp.0",
@@ -259,13 +271,13 @@
 
 static struct snd_soc_card da830_snd_soc_card = {
 	.name = "DA830/OMAP-L137 EVM",
-	.dai_link = &da8xx_evm_dai,
+	.dai_link = &da830_evm_dai,
 	.num_links = 1,
 };
 
 static struct snd_soc_card da850_snd_soc_card = {
 	.name = "DA850/OMAP-L138 EVM",
-	.dai_link = &da8xx_evm_dai,
+	.dai_link = &da850_evm_dai,
 	.num_links = 1,
 };
 
diff --git a/sound/soc/imx/eukrea-tlv320.c b/sound/soc/imx/eukrea-tlv320.c
index e20c9e1..1e9bcca 100644
--- a/sound/soc/imx/eukrea-tlv320.c
+++ b/sound/soc/imx/eukrea-tlv320.c
@@ -79,7 +79,7 @@
 	.name		= "tlv320aic23",
 	.stream_name	= "TLV320AIC23",
 	.codec_dai_name	= "tlv320aic23-hifi",
-	.platform_name	= "imx-pcm-audio.0",
+	.platform_name	= "imx-fiq-pcm-audio.0",
 	.codec_name	= "tlv320aic23-codec.0-001a",
 	.cpu_dai_name	= "imx-ssi.0",
 	.ops		= &eukrea_tlv320_snd_ops,
diff --git a/sound/soc/pxa/e740_wm9705.c b/sound/soc/pxa/e740_wm9705.c
index 28333e7..dc65650 100644
--- a/sound/soc/pxa/e740_wm9705.c
+++ b/sound/soc/pxa/e740_wm9705.c
@@ -117,7 +117,7 @@
 	{
 		.name = "AC97",
 		.stream_name = "AC97 HiFi",
-		.cpu_dai_name = "pxa-ac97.0",
+		.cpu_dai_name = "pxa2xx-ac97",
 		.codec_dai_name = "wm9705-hifi",
 		.platform_name = "pxa-pcm-audio",
 		.codec_name = "wm9705-codec",
@@ -126,7 +126,7 @@
 	{
 		.name = "AC97 Aux",
 		.stream_name = "AC97 Aux",
-		.cpu_dai_name = "pxa-ac97.1",
+		.cpu_dai_name = "pxa2xx-ac97-aux",
 		.codec_dai_name = "wm9705-aux",
 		.platform_name = "pxa-pcm-audio",
 		.codec_name = "wm9705-codec",
diff --git a/sound/soc/pxa/e750_wm9705.c b/sound/soc/pxa/e750_wm9705.c
index 01bf316..51897fc 100644
--- a/sound/soc/pxa/e750_wm9705.c
+++ b/sound/soc/pxa/e750_wm9705.c
@@ -99,7 +99,7 @@
 	{
 		.name = "AC97",
 		.stream_name = "AC97 HiFi",
-		.cpu_dai_name = "pxa-ac97.0",
+		.cpu_dai_name = "pxa2xx-ac97",
 		.codec_dai_name = "wm9705-hifi",
 		.platform_name = "pxa-pcm-audio",
 		.codec_name = "wm9705-codec",
@@ -109,7 +109,7 @@
 	{
 		.name = "AC97 Aux",
 		.stream_name = "AC97 Aux",
-		.cpu_dai_name = "pxa-ac97.1",
+		.cpu_dai_name = "pxa2xx-ac97-aux",
 		.codec_dai_name ="wm9705-aux",
 		.platform_name = "pxa-pcm-audio",
 		.codec_name = "wm9705-codec",
diff --git a/sound/soc/pxa/e800_wm9712.c b/sound/soc/pxa/e800_wm9712.c
index c6a37c6e..053ed20 100644
--- a/sound/soc/pxa/e800_wm9712.c
+++ b/sound/soc/pxa/e800_wm9712.c
@@ -89,7 +89,7 @@
 	{
 		.name = "AC97",
 		.stream_name = "AC97 HiFi",
-		.cpu_dai_name = "pxa-ac97.0",
+		.cpu_dai_name = "pxa2xx-ac97",
 		.codec_dai_name = "wm9712-hifi",
 		.platform_name = "pxa-pcm-audio",
 		.codec_name = "wm9712-codec",
@@ -98,7 +98,7 @@
 	{
 		.name = "AC97 Aux",
 		.stream_name = "AC97 Aux",
-		.cpu_dai_name = "pxa-ac97.1",
+		.cpu_dai_name = "pxa2xx-ac97-aux",
 		.codec_dai_name ="wm9712-aux",
 		.platform_name = "pxa-pcm-audio",
 		.codec_name = "wm9712-codec",
diff --git a/sound/soc/pxa/em-x270.c b/sound/soc/pxa/em-x270.c
index fc22e6e..b13a425 100644
--- a/sound/soc/pxa/em-x270.c
+++ b/sound/soc/pxa/em-x270.c
@@ -37,7 +37,7 @@
 	{
 		.name = "AC97",
 		.stream_name = "AC97 HiFi",
-		.cpu_dai_name = "pxa-ac97.0",
+		.cpu_dai_name = "pxa2xx-ac97",
 		.codec_dai_name = "wm9712-hifi",
 		.platform_name = "pxa-pcm-audio",
 		.codec_name = "wm9712-codec",
@@ -45,7 +45,7 @@
 	{
 		.name = "AC97 Aux",
 		.stream_name = "AC97 Aux",
-		.cpu_dai_name = "pxa-ac97.1",
+		.cpu_dai_name = "pxa2xx-ac97-aux",
 		.codec_dai_name ="wm9712-aux",
 		.platform_name = "pxa-pcm-audio",
 		.codec_name = "wm9712-codec",
diff --git a/sound/soc/pxa/mioa701_wm9713.c b/sound/soc/pxa/mioa701_wm9713.c
index 0d70fc8..38ca675 100644
--- a/sound/soc/pxa/mioa701_wm9713.c
+++ b/sound/soc/pxa/mioa701_wm9713.c
@@ -162,7 +162,7 @@
 	{
 		.name = "AC97",
 		.stream_name = "AC97 HiFi",
-		.cpu_dai_name = "pxa-ac97.0",
+		.cpu_dai_name = "pxa2xx-ac97",
 		.codec_dai_name = "wm9713-hifi",
 		.codec_name = "wm9713-codec",
 		.init = mioa701_wm9713_init,
@@ -172,7 +172,7 @@
 	{
 		.name = "AC97 Aux",
 		.stream_name = "AC97 Aux",
-		.cpu_dai_name = "pxa-ac97.1",
+		.cpu_dai_name = "pxa2xx-ac97-aux",
 		.codec_dai_name ="wm9713-aux",
 		.codec_name = "wm9713-codec",
 		.platform_name = "pxa-pcm-audio",
diff --git a/sound/soc/pxa/palm27x.c b/sound/soc/pxa/palm27x.c
index 857db96..504e400 100644
--- a/sound/soc/pxa/palm27x.c
+++ b/sound/soc/pxa/palm27x.c
@@ -132,7 +132,7 @@
 {
 	.name = "AC97 HiFi",
 	.stream_name = "AC97 HiFi",
-	.cpu_dai_name = "pxa-ac97.0",
+	.cpu_dai_name = "pxa2xx-ac97",
 	.codec_dai_name =  "wm9712-hifi",
 	.codec_name = "wm9712-codec",
 	.platform_name = "pxa-pcm-audio",
@@ -141,7 +141,7 @@
 {
 	.name = "AC97 Aux",
 	.stream_name = "AC97 Aux",
-	.cpu_dai_name = "pxa-ac97.1",
+	.cpu_dai_name = "pxa2xx-ac97-aux",
 	.codec_dai_name = "wm9712-aux",
 	.codec_name = "wm9712-codec",
 	.platform_name = "pxa-pcm-audio",
diff --git a/sound/soc/pxa/tosa.c b/sound/soc/pxa/tosa.c
index f75804e..4b6e5d6 100644
--- a/sound/soc/pxa/tosa.c
+++ b/sound/soc/pxa/tosa.c
@@ -219,7 +219,7 @@
 {
 	.name = "AC97",
 	.stream_name = "AC97 HiFi",
-	.cpu_dai_name = "pxa-ac97.0",
+	.cpu_dai_name = "pxa2xx-ac97",
 	.codec_dai_name = "wm9712-hifi",
 	.platform_name = "pxa-pcm-audio",
 	.codec_name = "wm9712-codec",
@@ -229,7 +229,7 @@
 {
 	.name = "AC97 Aux",
 	.stream_name = "AC97 Aux",
-	.cpu_dai_name = "pxa-ac97.1",
+	.cpu_dai_name = "pxa2xx-ac97-aux",
 	.codec_dai_name = "wm9712-aux",
 	.platform_name = "pxa-pcm-audio",
 	.codec_name = "wm9712-codec",
diff --git a/sound/soc/pxa/zylonite.c b/sound/soc/pxa/zylonite.c
index b222a7d..25bba10 100644
--- a/sound/soc/pxa/zylonite.c
+++ b/sound/soc/pxa/zylonite.c
@@ -166,7 +166,7 @@
 	.stream_name = "AC97 HiFi",
 	.codec_name = "wm9713-codec",
 	.platform_name = "pxa-pcm-audio",
-	.cpu_dai_name = "pxa-ac97.0",
+	.cpu_dai_name = "pxa2xx-ac97",
 	.codec_name = "wm9713-hifi",
 	.init = zylonite_wm9713_init,
 },
@@ -175,7 +175,7 @@
 	.stream_name = "AC97 Aux",
 	.codec_name = "wm9713-codec",
 	.platform_name = "pxa-pcm-audio",
-	.cpu_dai_name = "pxa-ac97.1",
+	.cpu_dai_name = "pxa2xx-ac97-aux",
 	.codec_name = "wm9713-aux",
 },
 {
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index c4b6061..c3f6f1e7 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -1449,6 +1449,7 @@
 		rtd = &card->rtd_aux[num];
 		name = aux_dev->name;
 	}
+	rtd->card = card;
 
 	/* machine controls, routes and widgets are not prefixed */
 	temp = codec->name_prefix;
@@ -1471,7 +1472,6 @@
 
 	/* register the rtd device */
 	rtd->codec = codec;
-	rtd->card = card;
 	rtd->dev.parent = card->dev;
 	rtd->dev.release = rtd_release;
 	rtd->dev.init_name = name;
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 8194f15..25e5423 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -712,7 +712,15 @@
 		    !path->connected(path->source, path->sink))
 			continue;
 
-		if (path->sink && path->sink->power_check &&
+		if (!path->sink)
+			continue;
+
+		if (path->sink->force) {
+			power = 1;
+			break;
+		}
+
+		if (path->sink->power_check &&
 		    path->sink->power_check(path->sink)) {
 			power = 1;
 			break;
@@ -1627,6 +1635,7 @@
 int snd_soc_dapm_new_widgets(struct snd_soc_dapm_context *dapm)
 {
 	struct snd_soc_dapm_widget *w;
+	unsigned int val;
 
 	list_for_each_entry(w, &dapm->card->widgets, list)
 	{
@@ -1675,6 +1684,18 @@
 		case snd_soc_dapm_post:
 			break;
 		}
+
+		/* Read the initial power state from the device */
+		if (w->reg >= 0) {
+			val = snd_soc_read(w->codec, w->reg);
+			val &= 1 << w->shift;
+			if (w->invert)
+				val = !val;
+
+			if (val)
+				w->power = 1;
+		}
+
 		w->new = 1;
 	}
 
diff --git a/sound/usb/caiaq/audio.c b/sound/usb/caiaq/audio.c
index 68b9747..66eabaf 100644
--- a/sound/usb/caiaq/audio.c
+++ b/sound/usb/caiaq/audio.c
@@ -785,7 +785,7 @@
 	}
 
 	dev->pcm->private_data = dev;
-	strcpy(dev->pcm->name, dev->product_name);
+	strlcpy(dev->pcm->name, dev->product_name, sizeof(dev->pcm->name));
 
 	memset(dev->sub_playback, 0, sizeof(dev->sub_playback));
 	memset(dev->sub_capture, 0, sizeof(dev->sub_capture));
diff --git a/sound/usb/caiaq/midi.c b/sound/usb/caiaq/midi.c
index 2f218c7..a1a47088 100644
--- a/sound/usb/caiaq/midi.c
+++ b/sound/usb/caiaq/midi.c
@@ -136,7 +136,7 @@
 	if (ret < 0)
 		return ret;
 
-	strcpy(rmidi->name, device->product_name);
+	strlcpy(rmidi->name, device->product_name, sizeof(rmidi->name));
 
 	rmidi->info_flags = SNDRV_RAWMIDI_INFO_DUPLEX;
 	rmidi->private_data = device;
diff --git a/sound/usb/card.c b/sound/usb/card.c
index 800f7cb..c0f8270b 100644
--- a/sound/usb/card.c
+++ b/sound/usb/card.c
@@ -323,6 +323,7 @@
 		return -ENOMEM;
 	}
 
+	mutex_init(&chip->shutdown_mutex);
 	chip->index = idx;
 	chip->dev = dev;
 	chip->card = card;
@@ -531,6 +532,7 @@
 	chip = ptr;
 	card = chip->card;
 	mutex_lock(&register_mutex);
+	mutex_lock(&chip->shutdown_mutex);
 	chip->shutdown = 1;
 	chip->num_interfaces--;
 	if (chip->num_interfaces <= 0) {
@@ -548,9 +550,11 @@
 			snd_usb_mixer_disconnect(p);
 		}
 		usb_chip[chip->index] = NULL;
+		mutex_unlock(&chip->shutdown_mutex);
 		mutex_unlock(&register_mutex);
 		snd_card_free_when_closed(card);
 	} else {
+		mutex_unlock(&chip->shutdown_mutex);
 		mutex_unlock(&register_mutex);
 	}
 }
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 7df89b3..85af605 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -95,7 +95,7 @@
 };
 
 
-/*E-mu 0202(0404) eXtension Unit(XU) control*/
+/*E-mu 0202/0404/0204 eXtension Unit(XU) control*/
 enum {
 	USB_XU_CLOCK_RATE 		= 0xe301,
 	USB_XU_CLOCK_SOURCE		= 0xe302,
@@ -1566,7 +1566,7 @@
 			cval->initialized = 1;
 		} else {
 			if (type == USB_XU_CLOCK_RATE) {
-				/* E-Mu USB 0404/0202/TrackerPre
+				/* E-Mu USB 0404/0202/TrackerPre/0204
 				 * samplerate control quirk
 				 */
 				cval->min = 0;
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index 4132522..e3f6805 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -361,6 +361,7 @@
 	}
 
 	if (changed) {
+		mutex_lock(&subs->stream->chip->shutdown_mutex);
 		/* format changed */
 		snd_usb_release_substream_urbs(subs, 0);
 		/* influenced: period_bytes, channels, rate, format, */
@@ -368,6 +369,7 @@
 						  params_rate(hw_params),
 						  snd_pcm_format_physical_width(params_format(hw_params)) *
 							params_channels(hw_params));
+		mutex_unlock(&subs->stream->chip->shutdown_mutex);
 	}
 
 	return ret;
@@ -385,8 +387,9 @@
 	subs->cur_audiofmt = NULL;
 	subs->cur_rate = 0;
 	subs->period_bytes = 0;
-	if (!subs->stream->chip->shutdown)
-		snd_usb_release_substream_urbs(subs, 0);
+	mutex_lock(&subs->stream->chip->shutdown_mutex);
+	snd_usb_release_substream_urbs(subs, 0);
+	mutex_unlock(&subs->stream->chip->shutdown_mutex);
 	return snd_pcm_lib_free_vmalloc_buffer(substream);
 }
 
diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
index 3599987..921a86f 100644
--- a/sound/usb/quirks-table.h
+++ b/sound/usb/quirks-table.h
@@ -79,6 +79,13 @@
 	.idProduct = 0x3f0a,
 	.bInterfaceClass = USB_CLASS_AUDIO,
 },
+{
+	/* E-Mu 0204 USB */
+	.match_flags = USB_DEVICE_ID_MATCH_DEVICE,
+	.idVendor = 0x041e,
+	.idProduct = 0x3f19,
+	.bInterfaceClass = USB_CLASS_AUDIO,
+},
 
 /*
  * Logitech QuickCam: bDeviceClass is vendor-specific, so generic interface
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index cf8bf08..e314cdb 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -532,7 +532,7 @@
 }
 
 /*
- * For E-Mu 0404USB/0202USB/TrackerPre sample rate should be set for device,
+ * For E-Mu 0404USB/0202USB/TrackerPre/0204 sample rate should be set for device,
  * not for interface.
  */
 
@@ -589,6 +589,7 @@
 	case USB_ID(0x041e, 0x3f02): /* E-Mu 0202 USB */
 	case USB_ID(0x041e, 0x3f04): /* E-Mu 0404 USB */
 	case USB_ID(0x041e, 0x3f0a): /* E-Mu Tracker Pre */
+	case USB_ID(0x041e, 0x3f19): /* E-Mu 0204 USB */
 		set_format_emu_quirk(subs, fmt);
 		break;
 	}
diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h
index db3eb21..6e66fff 100644
--- a/sound/usb/usbaudio.h
+++ b/sound/usb/usbaudio.h
@@ -36,6 +36,7 @@
 	struct snd_card *card;
 	u32 usb_id;
 	int shutdown;
+	struct mutex shutdown_mutex;
 	unsigned int txfr_quirk:1; /* Subframe boundaries on transfers */
 	int num_interfaces;
 	int num_suspended_intf;
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index b2f729f..60cac6f 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -759,8 +759,8 @@
 		perf_session__process_machines(session, event__synthesize_guest_os);
 
 	if (!system_wide)
-		event__synthesize_thread(target_tid, process_synthesized_event,
-					 session);
+		event__synthesize_thread_map(threads, process_synthesized_event,
+					     session);
 	else
 		event__synthesize_threads(process_synthesized_event, session);
 
diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index 746cf03..0ace786 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -264,9 +264,6 @@
 		c->start_time = start;
 	if (p->start_time == 0 || p->start_time > start)
 		p->start_time = start;
-
-	if (cpu > numcpus)
-		numcpus = cpu;
 }
 
 #define MAX_CPUS 4096
@@ -511,6 +508,9 @@
 		if (!event_str)
 			return 0;
 
+		if (sample->cpu > numcpus)
+			numcpus = sample->cpu;
+
 		if (strcmp(event_str, "power:cpu_idle") == 0) {
 			struct power_processor_entry *ppe = (void *)te;
 			if (ppe->state == (u32)PWR_EVENT_EXIT)
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index b6998e0..5a29d9c 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -1306,7 +1306,7 @@
 		return -ENOMEM;
 
 	if (target_tid != -1)
-		event__synthesize_thread(target_tid, event__process, session);
+		event__synthesize_thread_map(threads, event__process, session);
 	else
 		event__synthesize_threads(event__process, session);
 
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 1478ab4..50d0a93 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -263,11 +263,12 @@
 					     process, session);
 }
 
-int event__synthesize_thread(pid_t pid, event__handler_t process,
-			     struct perf_session *session)
+int event__synthesize_thread_map(struct thread_map *threads,
+				 event__handler_t process,
+				 struct perf_session *session)
 {
 	event_t *comm_event, *mmap_event;
-	int err = -1;
+	int err = -1, thread;
 
 	comm_event = malloc(sizeof(comm_event->comm) + session->id_hdr_size);
 	if (comm_event == NULL)
@@ -277,8 +278,15 @@
 	if (mmap_event == NULL)
 		goto out_free_comm;
 
-	err = __event__synthesize_thread(comm_event, mmap_event, pid,
-					 process, session);
+	err = 0;
+	for (thread = 0; thread < threads->nr; ++thread) {
+		if (__event__synthesize_thread(comm_event, mmap_event,
+					       threads->map[thread],
+					       process, session)) {
+			err = -1;
+			break;
+		}
+	}
 	free(mmap_event);
 out_free_comm:
 	free(comm_event);
diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index 2b7e919..cc7b52f 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -135,14 +135,16 @@
 void event__print_totals(void);
 
 struct perf_session;
+struct thread_map;
 
 typedef int (*event__handler_synth_t)(event_t *event, 
 				      struct perf_session *session);
 typedef int (*event__handler_t)(event_t *event, struct sample_data *sample,
 				struct perf_session *session);
 
-int event__synthesize_thread(pid_t pid, event__handler_t process,
-			     struct perf_session *session);
+int event__synthesize_thread_map(struct thread_map *threads,
+				 event__handler_t process,
+				 struct perf_session *session);
 int event__synthesize_threads(event__handler_t process,
 			      struct perf_session *session);
 int event__synthesize_kernel_mmap(event__handler_t process,
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 32f4f1f..df51560 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -585,6 +585,7 @@
 {
 	struct sort_entry *se;
 	u64 period, total, period_sys, period_us, period_guest_sys, period_guest_us;
+	u64 nr_events;
 	const char *sep = symbol_conf.field_sep;
 	int ret;
 
@@ -593,6 +594,7 @@
 
 	if (pair_hists) {
 		period = self->pair ? self->pair->period : 0;
+		nr_events = self->pair ? self->pair->nr_events : 0;
 		total = pair_hists->stats.total_period;
 		period_sys = self->pair ? self->pair->period_sys : 0;
 		period_us = self->pair ? self->pair->period_us : 0;
@@ -600,6 +602,7 @@
 		period_guest_us = self->pair ? self->pair->period_guest_us : 0;
 	} else {
 		period = self->period;
+		nr_events = self->nr_events;
 		total = session_total;
 		period_sys = self->period_sys;
 		period_us = self->period_us;
@@ -640,9 +643,9 @@
 
 	if (symbol_conf.show_nr_samples) {
 		if (sep)
-			ret += snprintf(s + ret, size - ret, "%c%" PRIu64, *sep, period);
+			ret += snprintf(s + ret, size - ret, "%c%" PRIu64, *sep, nr_events);
 		else
-			ret += snprintf(s + ret, size - ret, "%11" PRIu64, period);
+			ret += snprintf(s + ret, size - ret, "%11" PRIu64, nr_events);
 	}
 
 	if (pair_hists) {
diff --git a/tools/perf/util/svghelper.c b/tools/perf/util/svghelper.c
index fb737fe..96c8660 100644
--- a/tools/perf/util/svghelper.c
+++ b/tools/perf/util/svghelper.c
@@ -456,9 +456,9 @@
 		return;
 
 	svg_legenda_box(0,	"Running", "sample");
-	svg_legenda_box(100,	"Idle","rect.c1");
-	svg_legenda_box(200,	"Deeper Idle", "rect.c3");
-	svg_legenda_box(350,	"Deepest Idle", "rect.c6");
+	svg_legenda_box(100,	"Idle","c1");
+	svg_legenda_box(200,	"Deeper Idle", "c3");
+	svg_legenda_box(350,	"Deepest Idle", "c6");
 	svg_legenda_box(550,	"Sleeping", "process2");
 	svg_legenda_box(650,	"Waiting for cpu", "waiting");
 	svg_legenda_box(800,	"Blocked on IO", "blocked");
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 4c6983d..362a0cb 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -72,7 +72,7 @@
 
 int num_cpus;
 
-typedef struct per_cpu_counters {
+struct counters {
 	unsigned long long tsc;		/* per thread */
 	unsigned long long aperf;	/* per thread */
 	unsigned long long mperf;	/* per thread */
@@ -88,13 +88,13 @@
 	int pkg;
 	int core;
 	int cpu;
-	struct per_cpu_counters *next;
-} PCC;
+	struct counters *next;
+};
 
-PCC *pcc_even;
-PCC *pcc_odd;
-PCC *pcc_delta;
-PCC *pcc_average;
+struct counters *cnt_even;
+struct counters *cnt_odd;
+struct counters *cnt_delta;
+struct counters *cnt_average;
 struct timeval tv_even;
 struct timeval tv_odd;
 struct timeval tv_delta;
@@ -125,7 +125,7 @@
 	return msr;
 }
 
-void print_header()
+void print_header(void)
 {
 	if (show_pkg)
 		fprintf(stderr, "pkg ");
@@ -160,39 +160,39 @@
 	putc('\n', stderr);
 }
 
-void dump_pcc(PCC *pcc)
+void dump_cnt(struct counters *cnt)
 {
-	fprintf(stderr, "package: %d ", pcc->pkg);
-	fprintf(stderr, "core:: %d ", pcc->core);
-	fprintf(stderr, "CPU: %d ", pcc->cpu);
-	fprintf(stderr, "TSC: %016llX\n", pcc->tsc);
-	fprintf(stderr, "c3: %016llX\n", pcc->c3);
-	fprintf(stderr, "c6: %016llX\n", pcc->c6);
-	fprintf(stderr, "c7: %016llX\n", pcc->c7);
-	fprintf(stderr, "aperf: %016llX\n", pcc->aperf);
-	fprintf(stderr, "pc2: %016llX\n", pcc->pc2);
-	fprintf(stderr, "pc3: %016llX\n", pcc->pc3);
-	fprintf(stderr, "pc6: %016llX\n", pcc->pc6);
-	fprintf(stderr, "pc7: %016llX\n", pcc->pc7);
-	fprintf(stderr, "msr0x%x: %016llX\n", extra_msr_offset, pcc->extra_msr);
+	fprintf(stderr, "package: %d ", cnt->pkg);
+	fprintf(stderr, "core:: %d ", cnt->core);
+	fprintf(stderr, "CPU: %d ", cnt->cpu);
+	fprintf(stderr, "TSC: %016llX\n", cnt->tsc);
+	fprintf(stderr, "c3: %016llX\n", cnt->c3);
+	fprintf(stderr, "c6: %016llX\n", cnt->c6);
+	fprintf(stderr, "c7: %016llX\n", cnt->c7);
+	fprintf(stderr, "aperf: %016llX\n", cnt->aperf);
+	fprintf(stderr, "pc2: %016llX\n", cnt->pc2);
+	fprintf(stderr, "pc3: %016llX\n", cnt->pc3);
+	fprintf(stderr, "pc6: %016llX\n", cnt->pc6);
+	fprintf(stderr, "pc7: %016llX\n", cnt->pc7);
+	fprintf(stderr, "msr0x%x: %016llX\n", extra_msr_offset, cnt->extra_msr);
 }
 
-void dump_list(PCC *pcc)
+void dump_list(struct counters *cnt)
 {
-	printf("dump_list 0x%p\n", pcc);
+	printf("dump_list 0x%p\n", cnt);
 
-	for (; pcc; pcc = pcc->next)
-		dump_pcc(pcc);
+	for (; cnt; cnt = cnt->next)
+		dump_cnt(cnt);
 }
 
-void print_pcc(PCC *p)
+void print_cnt(struct counters *p)
 {
 	double interval_float;
 
 	interval_float = tv_delta.tv_sec + tv_delta.tv_usec/1000000.0;
 
 	/* topology columns, print blanks on 1st (average) line */
-	if (p == pcc_average) {
+	if (p == cnt_average) {
 		if (show_pkg)
 			fprintf(stderr, "    ");
 		if (show_core)
@@ -262,24 +262,24 @@
 	putc('\n', stderr);
 }
 
-void print_counters(PCC *cnt)
+void print_counters(struct counters *counters)
 {
-	PCC *pcc;
+	struct counters *cnt;
 
 	print_header();
 
 	if (num_cpus > 1)
-		print_pcc(pcc_average);
+		print_cnt(cnt_average);
 
-	for (pcc = cnt; pcc != NULL; pcc = pcc->next)
-		print_pcc(pcc);
+	for (cnt = counters; cnt != NULL; cnt = cnt->next)
+		print_cnt(cnt);
 
 }
 
 #define SUBTRACT_COUNTER(after, before, delta) (delta = (after - before), (before > after))
 
-
-int compute_delta(PCC *after, PCC *before, PCC *delta)
+int compute_delta(struct counters *after,
+	struct counters *before, struct counters *delta)
 {
 	int errors = 0;
 	int perf_err = 0;
@@ -391,20 +391,20 @@
 		delta->extra_msr = after->extra_msr;
 		if (errors) {
 			fprintf(stderr, "ERROR cpu%d before:\n", before->cpu);
-			dump_pcc(before);
+			dump_cnt(before);
 			fprintf(stderr, "ERROR cpu%d after:\n", before->cpu);
-			dump_pcc(after);
+			dump_cnt(after);
 			errors = 0;
 		}
 	}
 	return 0;
 }
 
-void compute_average(PCC *delta, PCC *avg)
+void compute_average(struct counters *delta, struct counters *avg)
 {
-	PCC *sum;
+	struct counters *sum;
 
-	sum = calloc(1, sizeof(PCC));
+	sum = calloc(1, sizeof(struct counters));
 	if (sum == NULL) {
 		perror("calloc sum");
 		exit(1);
@@ -438,35 +438,34 @@
 	free(sum);
 }
 
-void get_counters(PCC *pcc)
+void get_counters(struct counters *cnt)
 {
-	for ( ; pcc; pcc = pcc->next) {
-		pcc->tsc = get_msr(pcc->cpu, MSR_TSC);
+	for ( ; cnt; cnt = cnt->next) {
+		cnt->tsc = get_msr(cnt->cpu, MSR_TSC);
 		if (do_nhm_cstates)
-			pcc->c3 = get_msr(pcc->cpu, MSR_CORE_C3_RESIDENCY);
+			cnt->c3 = get_msr(cnt->cpu, MSR_CORE_C3_RESIDENCY);
 		if (do_nhm_cstates)
-			pcc->c6 = get_msr(pcc->cpu, MSR_CORE_C6_RESIDENCY);
+			cnt->c6 = get_msr(cnt->cpu, MSR_CORE_C6_RESIDENCY);
 		if (do_snb_cstates)
-			pcc->c7 = get_msr(pcc->cpu, MSR_CORE_C7_RESIDENCY);
+			cnt->c7 = get_msr(cnt->cpu, MSR_CORE_C7_RESIDENCY);
 		if (has_aperf)
-			pcc->aperf = get_msr(pcc->cpu, MSR_APERF);
+			cnt->aperf = get_msr(cnt->cpu, MSR_APERF);
 		if (has_aperf)
-			pcc->mperf = get_msr(pcc->cpu, MSR_MPERF);
+			cnt->mperf = get_msr(cnt->cpu, MSR_MPERF);
 		if (do_snb_cstates)
-			pcc->pc2 = get_msr(pcc->cpu, MSR_PKG_C2_RESIDENCY);
+			cnt->pc2 = get_msr(cnt->cpu, MSR_PKG_C2_RESIDENCY);
 		if (do_nhm_cstates)
-			pcc->pc3 = get_msr(pcc->cpu, MSR_PKG_C3_RESIDENCY);
+			cnt->pc3 = get_msr(cnt->cpu, MSR_PKG_C3_RESIDENCY);
 		if (do_nhm_cstates)
-			pcc->pc6 = get_msr(pcc->cpu, MSR_PKG_C6_RESIDENCY);
+			cnt->pc6 = get_msr(cnt->cpu, MSR_PKG_C6_RESIDENCY);
 		if (do_snb_cstates)
-			pcc->pc7 = get_msr(pcc->cpu, MSR_PKG_C7_RESIDENCY);
+			cnt->pc7 = get_msr(cnt->cpu, MSR_PKG_C7_RESIDENCY);
 		if (extra_msr_offset)
-			pcc->extra_msr = get_msr(pcc->cpu, extra_msr_offset);
+			cnt->extra_msr = get_msr(cnt->cpu, extra_msr_offset);
 	}
 }
 
-
-void print_nehalem_info()
+void print_nehalem_info(void)
 {
 	unsigned long long msr;
 	unsigned int ratio;
@@ -514,38 +513,38 @@
 
 }
 
-void free_counter_list(PCC *list)
+void free_counter_list(struct counters *list)
 {
-	PCC *p;
+	struct counters *p;
 
 	for (p = list; p; ) {
-		PCC *free_me;
+		struct counters *free_me;
 
 		free_me = p;
 		p = p->next;
 		free(free_me);
 	}
-	return;
 }
 
 void free_all_counters(void)
 {
-	free_counter_list(pcc_even);
-	pcc_even = NULL;
+	free_counter_list(cnt_even);
+	cnt_even = NULL;
 
-	free_counter_list(pcc_odd);
-	pcc_odd = NULL;
+	free_counter_list(cnt_odd);
+	cnt_odd = NULL;
 
-	free_counter_list(pcc_delta);
-	pcc_delta = NULL;
+	free_counter_list(cnt_delta);
+	cnt_delta = NULL;
 
-	free_counter_list(pcc_average);
-	pcc_average = NULL;
+	free_counter_list(cnt_average);
+	cnt_average = NULL;
 }
 
-void insert_cpu_counters(PCC **list, PCC *new)
+void insert_counters(struct counters **list,
+	struct counters *new)
 {
-	PCC *prev;
+	struct counters *prev;
 
 	/*
 	 * list was empty
@@ -594,18 +593,16 @@
 	 */
 	new->next = prev->next;
 	prev->next = new;
-
-	return;
 }
 
-void alloc_new_cpu_counters(int pkg, int core, int cpu)
+void alloc_new_counters(int pkg, int core, int cpu)
 {
-	PCC *new;
+	struct counters *new;
 
 	if (verbose > 1)
 		printf("pkg%d core%d, cpu%d\n", pkg, core, cpu);
 
-	new = (PCC *)calloc(1, sizeof(PCC));
+	new = (struct counters *)calloc(1, sizeof(struct counters));
 	if (new == NULL) {
 		perror("calloc");
 		exit(1);
@@ -613,9 +610,10 @@
 	new->pkg = pkg;
 	new->core = core;
 	new->cpu = cpu;
-	insert_cpu_counters(&pcc_odd, new);
+	insert_counters(&cnt_odd, new);
 
-	new = (PCC *)calloc(1, sizeof(PCC));
+	new = (struct counters *)calloc(1,
+		sizeof(struct counters));
 	if (new == NULL) {
 		perror("calloc");
 		exit(1);
@@ -623,9 +621,9 @@
 	new->pkg = pkg;
 	new->core = core;
 	new->cpu = cpu;
-	insert_cpu_counters(&pcc_even, new);
+	insert_counters(&cnt_even, new);
 
-	new = (PCC *)calloc(1, sizeof(PCC));
+	new = (struct counters *)calloc(1, sizeof(struct counters));
 	if (new == NULL) {
 		perror("calloc");
 		exit(1);
@@ -633,9 +631,9 @@
 	new->pkg = pkg;
 	new->core = core;
 	new->cpu = cpu;
-	insert_cpu_counters(&pcc_delta, new);
+	insert_counters(&cnt_delta, new);
 
-	new = (PCC *)calloc(1, sizeof(PCC));
+	new = (struct counters *)calloc(1, sizeof(struct counters));
 	if (new == NULL) {
 		perror("calloc");
 		exit(1);
@@ -643,7 +641,7 @@
 	new->pkg = pkg;
 	new->core = core;
 	new->cpu = cpu;
-	pcc_average = new;
+	cnt_average = new;
 }
 
 int get_physical_package_id(int cpu)
@@ -719,7 +717,7 @@
 {
 	printf("turbostat: topology changed, re-initializing.\n");
 	free_all_counters();
-	num_cpus = for_all_cpus(alloc_new_cpu_counters);
+	num_cpus = for_all_cpus(alloc_new_counters);
 	need_reinitialize = 0;
 	printf("num_cpus is now %d\n", num_cpus);
 }
@@ -728,7 +726,7 @@
 /*
  * check to see if a cpu came on-line
  */
-void verify_num_cpus()
+void verify_num_cpus(void)
 {
 	int new_num_cpus;
 
@@ -740,14 +738,12 @@
 				num_cpus, new_num_cpus);
 		need_reinitialize = 1;
 	}
-
-	return;
 }
 
 void turbostat_loop()
 {
 restart:
-	get_counters(pcc_even);
+	get_counters(cnt_even);
 	gettimeofday(&tv_even, (struct timezone *)NULL);
 
 	while (1) {
@@ -757,24 +753,24 @@
 			goto restart;
 		}
 		sleep(interval_sec);
-		get_counters(pcc_odd);
+		get_counters(cnt_odd);
 		gettimeofday(&tv_odd, (struct timezone *)NULL);
 
-		compute_delta(pcc_odd, pcc_even, pcc_delta);
+		compute_delta(cnt_odd, cnt_even, cnt_delta);
 		timersub(&tv_odd, &tv_even, &tv_delta);
-		compute_average(pcc_delta, pcc_average);
-		print_counters(pcc_delta);
+		compute_average(cnt_delta, cnt_average);
+		print_counters(cnt_delta);
 		if (need_reinitialize) {
 			re_initialize();
 			goto restart;
 		}
 		sleep(interval_sec);
-		get_counters(pcc_even);
+		get_counters(cnt_even);
 		gettimeofday(&tv_even, (struct timezone *)NULL);
-		compute_delta(pcc_even, pcc_odd, pcc_delta);
+		compute_delta(cnt_even, cnt_odd, cnt_delta);
 		timersub(&tv_even, &tv_odd, &tv_delta);
-		compute_average(pcc_delta, pcc_average);
-		print_counters(pcc_delta);
+		compute_average(cnt_delta, cnt_average);
+		print_counters(cnt_delta);
 	}
 }
 
@@ -892,7 +888,7 @@
 	 * this check is valid for both Intel and AMD
 	 */
 	asm("cpuid" : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx) : "a" (0x80000007));
-	has_invariant_tsc = edx && (1 << 8);
+	has_invariant_tsc = edx & (1 << 8);
 
 	if (!has_invariant_tsc) {
 		fprintf(stderr, "No invariant TSC\n");
@@ -905,7 +901,7 @@
 	 */
 
 	asm("cpuid" : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx) : "a" (0x6));
-	has_aperf = ecx && (1 << 0);
+	has_aperf = ecx & (1 << 0);
 	if (!has_aperf) {
 		fprintf(stderr, "No APERF MSR\n");
 		exit(1);
@@ -952,7 +948,7 @@
 	check_dev_msr();
 	check_super_user();
 
-	num_cpus = for_all_cpus(alloc_new_cpu_counters);
+	num_cpus = for_all_cpus(alloc_new_counters);
 
 	if (verbose)
 		print_nehalem_info();
@@ -962,7 +958,7 @@
 {
 	int retval;
 	pid_t child_pid;
-	get_counters(pcc_even);
+	get_counters(cnt_even);
 	gettimeofday(&tv_even, (struct timezone *)NULL);
 
 	child_pid = fork();
@@ -985,14 +981,14 @@
 			exit(1);
 		}
 	}
-	get_counters(pcc_odd);
+	get_counters(cnt_odd);
 	gettimeofday(&tv_odd, (struct timezone *)NULL);
-	retval = compute_delta(pcc_odd, pcc_even, pcc_delta);
+	retval = compute_delta(cnt_odd, cnt_even, cnt_delta);
 
 	timersub(&tv_odd, &tv_even, &tv_delta);
-	compute_average(pcc_delta, pcc_average);
+	compute_average(cnt_delta, cnt_average);
 	if (!retval)
-		print_counters(pcc_delta);
+		print_counters(cnt_delta);
 
 	fprintf(stderr, "%.6f sec\n", tv_delta.tv_sec + tv_delta.tv_usec/1000000.0);;