Merge "usb: gadget: Support power collapse for cable disconnect"
diff --git a/Documentation/ata/ahci_msm.txt b/Documentation/ata/ahci_msm.txt
new file mode 100644
index 0000000..2f84834
--- /dev/null
+++ b/Documentation/ata/ahci_msm.txt
@@ -0,0 +1,322 @@
+Introduction
+============
+The SATA Host Controller developed for Qualcomm SoC is used
+to facilitate SATA storage devices that connect to SoC through a
+standard SATA cable interface. The MSM Advanced Host Controller
+Interface (AHCI) driver interfaces with the generic Linux AHCI driver
+and communicates with the AHCI controller for data movement between
+system memory and SATA devices (persistent storage).
+
+Hardware description
+====================
+Serial Advanced Technology Attachment (SATA) is a communication
+protocol designed to transfer data between a computer and storage
+devices (Hard Disk Drive(HDD), Solid State Drives(SSD) etc.).
+First generation (Gen1) SATA interfaces communicate at a serial
+rate of 1.5Gb/s and use low-voltage differential signaling on
+serial links. With 8b-10b encoding, the effective data throughput
+for Gen1 interface is 150MB/s.
+
+The SATA host controller in Qualcomm chipsets adheres to the AHCI 1.3
+specification which describes the interface between system software
+and the host controller, as well as the functional behavior needed
+for software to communicate with the SATA host controller.
+
+The SATA PHY hardware macro in Qualcomm chipsets adheres to the
+SATA 3.0 specification with Gen1 serial interface. This is used to
+serialize and de-serialize data and communicates with SATA HDD. Also,
+the PHY can detect SATA HDD during hot swap and raise an interrupt to
+the CPU through AHCI controller to notify about the detection/removal.
+
+The following figure shows the SATA architecture block diagram as
+implemented in MSM chipsets.
+
+                        +---------+
+                        |SATA Disk|
+                        |  Drive  |
+                        +---------+
+                           ^   ^
+                        Tx |   | Rx
+                           v   v
++--------------+     +--------------+     +-----------+
+| System Memory|     |   SATA PHY   |     |    CPU    |
++--------------+     +--------------+     +-----------+
+      ^                 ^       ^           ^     ^
+      |                 |       |           |     |
+      |                 v       v           |     |
+      |            +------------------+(Interrupt)|
+      |            | SATA CONTROLLER  |-----+     |
+      |            +------------------+           |
+      |                 ^       ^                 |
+      |                 |       |                 |
+      v                 v       v                 v
+ <--------------------------------------------------------->
+<             System Fabric (Control and Data)              >
+ <--------------------------------------------------------->
+
+Some controller capabilities:
+- Supports 64-bit addressing
+- Supports native command queueing (upto 32 commands)
+- Supports First-party DMA to move data to and from system memory
+- ATA-7 command set compliant
+- Port multiplier support for some chipsets
+- Supports aggressive power management (partial, slumber modes)
+- Supports asynchronous notification
+
+Software description
+====================
+The SATA driver uses the generic interface to read/write data to
+the Hard Disk Drive (HDD). It uses following components in Linux
+to interface with the generic block layer which then interfaces
+with file system or user processes.
+
+1) AHCI platform Driver (includes MSM-specific glue driver)
+2) LIBAHCI
+3) LIBATA
+4) SCSI
+
+AHCI platform driver registers as a device driver for platform
+device registered during SoC board initialization. It is responsible
+for platform specific tasks like PHY configuration, clock initial-
+ization, claiming memory resources etc. Also, implements certain
+functionality that deviates from the standard specification.
+
+Library "LIBAHCI" implements software layer functionality described
+in the standard AHCI specification. It interfaces with the LIBATA
+framework to execute SATA the command set. It converts ATA task files
+into AHCI command descriptors and pass them to the controller for
+execution. It handles controller interrupts and sends command
+completion events to the upper layers. It implements a controller-
+specific reset and recover mechanism in case of errors. It implements
+link power management policies - partial, slumber modes, runtime power
+management and platform power management. It abstracts the low-level
+controller details from the LIBATA framework.
+
+"LIBATA" is a helper library for implementing ATA and SATA command
+protocol as described in standard ATA and SATA specifications. It
+builds read/write requests from SCSI commands and pass them to the
+low-level controller driver (LLD). It handshakes with the SATA
+device using standard commands to understand capabilities and carry
+out device configurations. It interfaces with the SCSI layer to manage
+underlying disks. It manages different devices connected to each host
+port using a port multiplier. Also, it manages the link PHY component,
+the interconnect interface and any external interface (cables, etc.)
+that follow the SATA electrical specification.
+
+The SCSI layer is a helper library for translating generic block layer
+commands to SCSI commands and pass them on to the LIBATA framework.
+Certain generic stuff like device scan, media change, and hot plug
+detection are handled. This layer handles all types of SCSI devices,
+and SATA storage devices are one class of SCSI devices. It also provides
+the IOCTL interface to manage disks from userspace.
+
+Following is the logical code flow:
+
+                        +------------------------+
+                        | File System (ext4 etc.)|
+                        +------------------------+
+                                   ^
+                                   |
+                                   v
+                        +------------------------+
+                        |  Generic Block Layer   |
+                        +------------------------+
+                                   ^
+                                   |
+                                   v
+                        +------------------------+
+                        |       SCSI Layer       |
+                        +------------------------+
+                                   ^
+                                   |
+                                   v
+                        +------------------------+
+                        |     LIBATA library     |
+                        +------------------------+
+                                   ^
+                                   |
+                                   v
+                        +------------------------+
+                        |     LIBAHCI library    |
+                        +------------------------+
+                                   ^
+                                   |
+                                   v
+                        +------------------------+
+                        | AHCI platform driver + |
+                        | MSM AHCI glue driver   |
+                        +------------------------+
+
+Design
+======
+The MSM AHCI driver acts as a glue driver for the Linux
+AHCI controller driver. It provides the following functionality:
+- Registers as a driver for msm_sata device which has an AHCI-compliant
+  controller and PHY as resources.
+- Registers an AHCI platform device in the probe function providing
+  ahci platform data
+- AHCI platform data consists of the following callbacks:
+	- init
+		o PHY resource acquisition
+		o Clock and voltage regulator initialization
+		o PHY calibration
+	- exit
+		o PHY power down
+		o Clock and voltage regulator turn off
+	- suspend
+	- resume
+		o Sequence described in the next section.
+- The Linux AHCI platform driver then probes the AHCI device and
+  initializes it according to the standard AHCI specification.
+- The SATA drive is detected as part of scsi_scan_host() called by
+  LIBAHCI after controller initialization.
+
+Power Management
+================
+Various power modes are supported by this driver.
+
+Platform suspend/resume:
+During suspend:
+- PHY analog blocks are powered down
+- Controller and PHY is kept in Power-on-Reset (POR) mode
+- Clocks and voltage regulators are gated
+
+During resume:
+- Clocks and voltage regulators are ungated
+- PHY is powered up and calibrated to functional mode
+- Controller is re-initialized to process commands.
+
+Runtime suspend/resume:
+- Execute the same steps as in platform suspend/resume.
+- Runtime suspend/resume is disabled by default due to regressions
+  in hot-plug detection (specification limitation). The users can
+  enable runtime power management with following shell commands.
+
+  # cd /sys/devices/platform/msm_sata.0/ahci.0/
+  # echo auto > ./power/control
+  # echo auto > ./ata1/power/control
+  # echo auto > ./ata1/host0/target0:0:0/0:0:0:0/power/control
+
+  Note: The device will be runtime-suspended only when user unmounts
+  all the partitions.
+
+Link power management (defined by AHCI 1.3 specification):
+- Automatic low power mode transition are supported.
+- AHCI supports two power modes: partial and slumber.
+- Software uses Inteface Communication Control (ICC) bits in AHCI
+  register space to enable automatic partial/slumber state.
+- Partial mode:
+	- Software asserts automatic partial mode when the use
+	  case demands low latency resume.
+	- Upon receiving partial mode signal, PHY disables byte clocks
+	  and re-enables them during resume and thus has low latency.
+- Slumber mode:
+	- Software asserts automatic slumber mode when the use
+	  case demands low power consumption and can withstand
+	  high resume latencies.
+	- Upon receiving slumber mode signal, PHY disables byte
+	  clocks and some internal circuitry. Upon resume PHY
+	  enables byte clocks and reacquires the PLL lock.
+- Once the software enables partial/slumber modes, the transitioning
+  into these modes are automatic and is handled by hardware without
+  software intervention while the controller is idle with no outstanding
+  commands to process.
+
+- The Linux AHCI link power management defines three modes:
+	- max_performance (default mode)
+	  Doesn't allow partial/slumber transition when host is idle.
+	- medium_power (Partial mode)
+	  Following shell commands are used to enable this mode:
+
+	  # cd /sys/devices/platform/msm_sata.0/ahci.0/
+	  # echo medium_power > ./ata1/host0/scsi_host/host0/link_power_management_policy
+
+	- min_power (Slumber mode)
+	  Following shell commands are used to enable this mode:
+
+	  # cd /sys/devices/platform/msm_sata.0/ahci.0/
+	  # echo min_power > ./ata1/host0/scsi_host/host0/link_power_management_policy
+
+SMP/multi-core
+==============
+The MSM AHCI driver hooks only init, exit, suspend, resume callbacks to
+the AHCI driver which are serialized by design and hence the driver, which
+is inherently SMP safe.
+
+Security
+========
+None.
+
+Performance
+===========
+The theoretical performance with Gen1 SATA PHY is 150MB/s (8b/10b encoding).
+The performance is dependent on various factors, mainly:
+- Capabilities of the external SATA hard disk connected to the MSM SATA port
+- Various system bus frequencies and system loads
+- System memory capabilities
+- Benchmark test applications that collect performance numbers
+
+One example of the maximum performance achieved in a specific system
+configuration follows:
+
+Benchmark: Iozone sequential performance
+Block size: 128K
+File size: 1GB
+Platform: APQ8064 V2 CDP
+CPU Governor: Performance
+
+SanDisk SSD (i100 64GB):
+Read - 135MB/s
+Write - 125MB/s
+
+Western Digital HDD (WD20EURS 2TB):
+Read - 121MB/s
+Write - 98MB/s
+
+Interface
+=========
+The MSM AHCI controller driver provides function pointers as the
+required interface to the Linux AHCI controller driver. The main
+routines implemented are init, exit, suspend, and resume for handling
+MSM-specific initialization, freeing of resources on exit, and
+MSM-specific power management tweaks during suspend power collapse.
+
+Driver parameters
+=================
+None.
+
+Config options
+==============
+Config option SATA_AHCI_MSM in drivers/ata/Kconfig enables this driver.
+
+Dependencies
+============
+The MSM AHCI controller driver is dependent on Linux AHCI driver,
+Linux ATA framework, Linux SCSI framework and Linux generic block layer.
+
+While configuring the kernel, the following options should be set:
+
+- CONFIG_BLOCK
+- CONFIG_SCSI
+- CONFIG_ATA
+- CONFIG_SATA_AHCI_PLATFORM
+
+User space utilities
+====================
+Any user space component that can mount a block device can be used to
+read/write data into persistent storage. However, at the time of this
+writing there are no utilities that author is aware of that can manage
+h/w from userspace.
+
+Other
+=====
+None.
+
+Known issues
+============
+None.
+
+To do
+=====
+- Device tree support.
+- MSM bus frequency voting support.
diff --git a/Documentation/cpu-freq/governors.txt b/Documentation/cpu-freq/governors.txt
index 6aed1ce..b4ae5e6 100644
--- a/Documentation/cpu-freq/governors.txt
+++ b/Documentation/cpu-freq/governors.txt
@@ -198,57 +198,74 @@
 
 The CPUfreq governor "interactive" is designed for latency-sensitive,
 interactive workloads. This governor sets the CPU speed depending on
-usage, similar to "ondemand" and "conservative" governors.  However,
-the governor is more aggressive about scaling the CPU speed up in
-response to CPU-intensive activity.
-
-Sampling the CPU load every X ms can lead to under-powering the CPU
-for X ms, leading to dropped frames, stuttering UI, etc.  Instead of
-sampling the cpu at a specified rate, the interactive governor will
-check whether to scale the cpu frequency up soon after coming out of
-idle.  When the cpu comes out of idle, a timer is configured to fire
-within 1-2 ticks.  If the cpu is very busy between exiting idle and
-when the timer fires then we assume the cpu is underpowered and ramp
-to MAX speed.
-
-If the cpu was not sufficiently busy to immediately ramp to MAX speed,
-then governor evaluates the cpu load since the last speed adjustment,
-choosing the highest value between that longer-term load or the
-short-term load since idle exit to determine the cpu speed to ramp to.
+usage, similar to "ondemand" and "conservative" governors, but with a
+different set of configurable behaviors.
 
 The tuneable values for this governor are:
 
+target_loads: CPU load values used to adjust speed to influence the
+current CPU load toward that value.  In general, the lower the target
+load, the more often the governor will raise CPU speeds to bring load
+below the target.  The format is a single target load, optionally
+followed by pairs of CPU speeds and CPU loads to target at or above
+those speeds.  Colons can be used between the speeds and associated
+target loads for readability.  For example:
+
+   85 1000000:90 1700000:99
+
+targets CPU load 85% below speed 1GHz, 90% at or above 1GHz, until
+1.7GHz and above, at which load 99% is targeted.  If speeds are
+specified these must appear in ascending order.  Higher target load
+values are typically specified for higher speeds, that is, target load
+values also usually appear in an ascending order. The default is
+target load 90% for all speeds.
+
 min_sample_time: The minimum amount of time to spend at the current
-frequency before ramping down. This is to ensure that the governor has
-seen enough historic cpu load data to determine the appropriate
-workload.  Default is 80000 uS.
+frequency before ramping down. Default is 80000 uS.
 
 hispeed_freq: An intermediate "hi speed" at which to initially ramp
 when CPU load hits the value specified in go_hispeed_load.  If load
 stays high for the amount of time specified in above_hispeed_delay,
-then speed may be bumped higher.  Default is maximum speed.
+then speed may be bumped higher.  Default is the maximum speed
+allowed by the policy at governor initialization time.
 
-go_hispeed_load: The CPU load at which to ramp to the intermediate "hi
-speed".  Default is 85%.
+go_hispeed_load: The CPU load at which to ramp to hispeed_freq.
+Default is 99%.
 
-above_hispeed_delay: Once speed is set to hispeed_freq, wait for this
-long before bumping speed higher in response to continued high load.
+above_hispeed_delay: When speed is at or above hispeed_freq, wait for
+this long before raising speed in response to continued high load.
 Default is 20000 uS.
 
-timer_rate: Sample rate for reevaluating cpu load when the system is
-not idle.  Default is 20000 uS.
+timer_rate: Sample rate for reevaluating CPU load when the CPU is not
+idle.  A deferrable timer is used, such that the CPU will not be woken
+from idle to service this timer until something else needs to run.
+(The maximum time to allow deferring this timer when not running at
+minimum speed is configurable via timer_slack.)  Default is 20000 uS.
 
-input_boost: If non-zero, boost speed of all CPUs to hispeed_freq on
-touchscreen activity.  Default is 0.
+timer_slack: Maximum additional time to defer handling the governor
+sampling timer beyond timer_rate when running at speeds above the
+minimum.  For platforms that consume additional power at idle when
+CPUs are running at speeds greater than minimum, this places an upper
+bound on how long the timer will be deferred prior to re-evaluating
+load and dropping speed.  For example, if timer_rate is 20000uS and
+timer_slack is 10000uS then timers will be deferred for up to 30msec
+when not at lowest speed.  A value of -1 means defer timers
+indefinitely at all speeds.  Default is 80000 uS.
 
 boost: If non-zero, immediately boost speed of all CPUs to at least
 hispeed_freq until zero is written to this attribute.  If zero, allow
 CPU speeds to drop below hispeed_freq according to load as usual.
+Default is zero.
 
-boostpulse: Immediately boost speed of all CPUs to hispeed_freq for
-min_sample_time, after which speeds are allowed to drop below
+boostpulse: On each write, immediately boost speed of all CPUs to
+hispeed_freq for at least the period of time specified by
+boostpulse_duration, after which speeds are allowed to drop below
 hispeed_freq according to load as usual.
 
+boostpulse_duration: Length of time to hold CPU speed at hispeed_freq
+on a write to boostpulse, before allowing speed to drop according to
+load as usual.  Default is 80000 uS.
+
 
 3. The Governor Interface in the CPUfreq Core
 =============================================
diff --git a/Documentation/devicetree/bindings/bluetooth/bluetooth_power.txt b/Documentation/devicetree/bindings/bluetooth/bluetooth_power.txt
index 88d69e0..86d863c 100644
--- a/Documentation/devicetree/bindings/bluetooth/bluetooth_power.txt
+++ b/Documentation/devicetree/bindings/bluetooth/bluetooth_power.txt
@@ -5,12 +5,26 @@
 Required properties:
   - compatible: Should be "qca,ar3002"
   - qca,bt-reset-gpio: GPIO pin to bring BT Controller out of reset
+  - qca,bt-vdd-io-supply: Bluetooth VDD IO regulator handle
+  - qca,bt-vdd-pa-supply: Bluetooth VDD PA regulator handle
 
 Optional properties:
-  None
+  -qca,bt-vdd-ldo-supply: Bluetooth VDD LDO regulator handle. Kept under optional parameters
+		as some of the chipsets doesn't require ldo or it may use from same vddio.
+  - qca,bt-chip-pwd-supply: Chip power down gpio is required when bluetooth module
+		and other modules like wifi co-exist in a singe chip and shares a
+		common gpio to bring chip out of reset.
+  - qca,bt-vdd-io-voltage-level: min and max voltages for the vdd io regulator
+  - qca,bt-vdd-pa-voltage-level: min and max voltages for the vdd pa regulator
+  - qca,bt-vdd-ldo-voltage-level: min and max voltages for the vdd ldo regulator
 
 Example:
   bt-ar3002 {
     compatible = "qca,ar3002";
     qca,bt-reset-gpio = <&pm8941_gpios 34 0>;
+    qca,bt-vdd-io-supply = <&pm8941_s3>;
+    qca,bt-vdd-pa-supply = <&pm8941_l19>;
+    qca,bt-chip-pwd-supply = <&ath_chip_pwd_l>;
+    qca,bt-vdd-io-supply = <1800000 1800000>;
+    qca,bt-vdd-pa-supply = <2900000 2900000>;
   };
diff --git a/Documentation/devicetree/bindings/cache/msm_cache_erp.txt b/Documentation/devicetree/bindings/cache/msm_cache_erp.txt
index 400b299..8d00cc2 100644
--- a/Documentation/devicetree/bindings/cache/msm_cache_erp.txt
+++ b/Documentation/devicetree/bindings/cache/msm_cache_erp.txt
@@ -7,6 +7,17 @@
 - interrupt-names: Should contain the interrupt names "l1_irq" and
   "l2_irq"
 
+Optional properties:
+- reg: A set of I/O regions to be dumped in the event of a hardware fault being
+  detected. If this property is present, the "reg-names" property is must be
+  present as well.
+- reg-names: Human-readable names assigned to the I/O regions defined by the
+  "reg" property. The names can be completely arbitrary, since they are
+  intended to be human-read during failure analysis, and because the set of I/O
+  regions of interest may vary with the overall system design. This property
+  shall only be present if the "reg" property is present, and must contain as
+  many elements as the "reg" property.
+
 Example:
 	qcom,cache_erp {
 		compatible = "qcom,cache_erp";
@@ -14,3 +25,17 @@
 		interrupt-names = "l1_irq", "l2_irq";
 	};
 
+Example with "reg" property defined:
+	qcom,cache_erp@f9012000 {
+		reg = <0xf9012000 0x80>,
+		      <0xf9089000 0x80>,
+		      <0xf9099000 0x80>;
+
+		reg-names = "l2_saw",
+			    "krait0_saw",
+			    "krait1_saw";
+
+		compatible = "qcom,cache_erp";
+		interrupts = <1 9 0>, <0 2 0>;
+		interrupt-names = "l1_irq", "l2_irq";
+	};
diff --git a/Documentation/devicetree/bindings/fb/mdss-mdp.txt b/Documentation/devicetree/bindings/fb/mdss-mdp.txt
index 0422b57..a3f3a06 100644
--- a/Documentation/devicetree/bindings/fb/mdss-mdp.txt
+++ b/Documentation/devicetree/bindings/fb/mdss-mdp.txt
@@ -108,13 +108,19 @@
 - qcom,mdss-rot-block-size:	The size of a memory block (in pixels) to be used
 				by the rotator. If this property is not specified,
 				then a default value of 128 pixels would be used.
-
+- qcom,mdss-has-bwc: Boolean property to indicate the presence of bandwidth
+		      compression feature in the rotator.
+- qcom,mdss-has-decimation: Boolean property to indicate the presence of
+			    decimation feature in fetch.
 Optional subnodes:
 Child nodes representing the frame buffer virtual devices.
 
 Subnode properties:
 - compatible :		Must be "qcom,mdss-fb"
 - cell-index :		Index representing frame buffer
+- qcom,mdss-mixer-swap: A boolean property that indicates if the mixer muxes
+			 need to be swapped based on the target panel.
+			 By default the property is not defined.
 
 
 
@@ -141,6 +147,8 @@
 		qcom,mdss-pipe-dma-fetch-id = <10 13>;
 		qcom,mdss-smp-data = <22 4096>;
 		qcom,mdss-rot-block-size = <64>;
+		qcom,mdss-has-bwc;
+		qcom,mdss-has-decimation;
 
 		qcom,mdss-ctl-off = <0x00000600 0x00000700 0x00000800
 				     0x00000900 0x0000A00>;
@@ -157,6 +165,7 @@
 		mdss_fb0: qcom,mdss_fb_primary {
 			cell-index = <0>;
 			compatible = "qcom,mdss-fb";
+			qcom,mdss-mixer-swap;
 		};
 	};
 
diff --git a/Documentation/devicetree/bindings/hwmon/qpnp-adc-current.txt b/Documentation/devicetree/bindings/hwmon/qpnp-adc-current.txt
index fbe8ffa..418447d 100644
--- a/Documentation/devicetree/bindings/hwmon/qpnp-adc-current.txt
+++ b/Documentation/devicetree/bindings/hwmon/qpnp-adc-current.txt
@@ -16,7 +16,10 @@
 - interrupt-names : Should contain "eoc-int-en-set".
 - qcom,adc-bit-resolution : Bit resolution of the ADC.
 - qcom,adc-vdd-reference : Voltage reference used by the ADC.
-- qcom,rsense : Internal rsense resistor used for current measurements.
+
+Optional properties:
+- qcom,rsense : Use this property when external rsense should be used
+		for current calculation and specify the units in nano-ohms.
 
 Channel node
 NOTE: Atleast one Channel node is required.
diff --git a/Documentation/devicetree/bindings/leds/leds-qpnp.txt b/Documentation/devicetree/bindings/leds/leds-qpnp.txt
index 4f31f07..a221433 100644
--- a/Documentation/devicetree/bindings/leds/leds-qpnp.txt
+++ b/Documentation/devicetree/bindings/leds/leds-qpnp.txt
@@ -68,8 +68,30 @@
 - qcom,default-state:  default state of the led, should be "on" or "off"
 - qcom,turn-off-delay-ms: delay in millisecond for turning off the led when its default-state is "on". Value is being ignored in case default-state is "off".
 
+MPP LED is an LED controled through a Multi Purpose Pin.
+
+Optional properties for MPP LED:
+- linux,default-trigger: trigger the led from external modules such as display
+- qcom,default-state: default state of the led, should be "on" or "off"
+- qcom,source-sel: select power source, default 1 (enabled)
+- qcom,mode-ctrl: select operation mode, default 0x60 = Mode Sink
+
 Example:
 
+	qcom,leds@a200 {
+		status = "okay";
+		qcom,led_mpp_3 {
+			label = "mpp";
+			linux,name = "wled-backlight";
+			linux-default-trigger = "none";
+			qcom,default-state = "on";
+			qcom,max-current = <40>;
+			qcom,id = <6>;
+			qcom,source-sel = <1>;
+			qcom,mode-ctrl = <0x10>;
+		};
+	};
+
 	qcom,leds@d000 {
 		status = "okay";
 		qcom,rgb_pwm {
@@ -151,3 +173,4 @@
 				linux,name = "led:wled_backlight";
 			};
 	};
+
diff --git a/Documentation/devicetree/bindings/pil/pil-q6v5-lpass.txt b/Documentation/devicetree/bindings/pil/pil-q6v5-lpass.txt
index 70f8b55..4cbff52 100644
--- a/Documentation/devicetree/bindings/pil/pil-q6v5-lpass.txt
+++ b/Documentation/devicetree/bindings/pil/pil-q6v5-lpass.txt
@@ -14,6 +14,9 @@
 - interrupts:         The lpass watchdog interrupt
 - vdd_cx-supply:      Reference to the regulator that supplies the vdd_cx domain.
 - qcom,firmware-name: Base name of the firmware image. Ex. "lpass"
+- qcom,gpio-err-fatal: GPIO used by the lpass to indicate error fatal to the apps.
+- qcom,gpio-force-stop: GPIO used by the apps to force the lpass to shutdown.
+- qcom,gpio-proxy-unvote: GPIO used by the lpass to indicate apps clock is ready.
 
 Optional properties:
 - vdd_pll-supply:     Reference to the regulator that supplies the PLL's rail.
@@ -29,4 +32,11 @@
 		interrupts = <0 194 1>;
 		vdd_cx-supply = <&pm8841_s2>;
 	        qcom,firmware-name = "lpass";
+
+		/* GPIO inputs from lpass */
+		qcom,gpio-err-fatal = <&smp2pgpio_ssr_smp2p_2_in 0 0>;
+		qcom,gpio-proxy-unvote = <&smp2pgpio_ssr_smp2p_2_in 2 0>;
+
+		/* GPIO output to lpass */
+		qcom,gpio-force-stop = <&smp2pgpio_ssr_smp2p_2_out 0 0>;
 	};
diff --git a/Documentation/devicetree/bindings/regulator/qpnp-regulator.txt b/Documentation/devicetree/bindings/regulator/qpnp-regulator.txt
index 2116888..041928d 100644
--- a/Documentation/devicetree/bindings/regulator/qpnp-regulator.txt
+++ b/Documentation/devicetree/bindings/regulator/qpnp-regulator.txt
@@ -16,12 +16,17 @@
 	the spmi-slave-container property
 
 Optional properties:
+- interrupts:                  List of interrupts used by the regulator.
+- interrupt-names:             List of strings defining the names of the
+				interrupts in the 'interrupts' property 1-to-1.
+				Supported values are "ocp" for voltage switch
+				type regulators.  If an OCP interrupt is
+				specified, then the voltage switch will be
+				toggled off and back on when OCP triggers in
+				order to handle high in-rush current.
 - qcom,system-load:            Load in uA present on regulator that is not
 				captured by any consumer request
 - qcom,enable-time:            Time in us to delay after enabling the regulator
-- qcom,ocp-enable-time:        Time to delay in us between enabling a switch and
-				subsequently enabling over current protection
-				(OCP) for the switch
 - qcom,auto-mode-enable:       1 = Enable automatic hardware selection of
 				regulator mode (HPM vs LPM); not available on
 				boost type regulators
@@ -30,11 +35,18 @@
 				so that it acts like a switch and simply outputs
 				its input voltage
 			       0 = Do not enable bypass mode
-- qcom,ocp-enable:             1 = Enable over current protection (OCP) for
-				voltage switch type regulators so that they
-				latch off automatically when over current is
-				detected
+- qcom,ocp-enable:             1 = Allow over current protection (OCP) to be
+				enabled for voltage switch type regulators so
+				that they latch off automatically when over
+				current is detected.  OCP is enabled when in
+				HPM or auto mode.
 			       0 = Disable OCP
+- qcom,ocp-max-retries:        Maximum number of times to try toggling a voltage
+				switch off and back on as a result of
+				consecutive over current events.
+- qcom,ocp-retry-delay:        Time to delay in milliseconds between each
+				voltage switch toggle after an over current
+				event takes place.
 - qcom,pull-down-enable:       1 = Enable output pull down resistor when the
 				regulator is disabled
 			       0 = Disable pull down resistor
@@ -76,6 +88,16 @@
 					1 = 0.25 uA
 					2 = 0.55 uA
 					3 = 0.75 uA
+- qcom,hpm-enable:             1 = Enable high power mode (HPM), also referred
+				to as NPM.  HPM consumes more ground current
+				than LPM, but it can source significantly higher
+				load current.  HPM is not available on boost
+				type regulators.  For voltage switch type
+				regulators, HPM implies that over current
+				protection and soft start are active all the
+				time.  This configuration can be overwritten
+				by changing the regulator's mode dynamically.
+			       0 = Do not enable HPM
 - qcom,force-type: 	       Override the type and subtype register values. Useful for some
 				regulators that have invalid types advertised by the hardware.
 				The format is two unsigned integers of the form <type subtype>.
diff --git a/Documentation/devicetree/bindings/sound/qcom-audio-dev.txt b/Documentation/devicetree/bindings/sound/qcom-audio-dev.txt
index 65de56f..be08a1a 100644
--- a/Documentation/devicetree/bindings/sound/qcom-audio-dev.txt
+++ b/Documentation/devicetree/bindings/sound/qcom-audio-dev.txt
@@ -449,14 +449,18 @@
 - qcom,prim-auxpcm-gpio-sync : GPIO on which Primary AUXPCM SYNC signal is coming.
 - qcom,prim-auxpcm-gpio-din  : GPIO on which Primary AUXPCM DIN signal is coming.
 - qcom,prim-auxpcm-gpio-dout : GPIO on which Primary AUXPCM DOUT signal is coming.
+- qcom,prim-auxpcm-gpio-set : set of GPIO lines used for Primary AUXPCM port
+		 Possible Values:
+		 prim-gpio-prim : Primary AUXPCM shares GPIOs with Primary MI2S
+		 prim-gpio-tert : Primary AUXPCM shares GPIOs with Tertiary MI2S
 - qcom,sec-auxpcm-gpio-clk  : GPIO on which Secondary AUXPCM clk signal is coming.
 - qcom,sec-auxpcm-gpio-sync : GPIO on which Secondary AUXPCM SYNC signal is coming.
 - qcom,sec-auxpcm-gpio-din  : GPIO on which Secondary AUXPCM DIN signal is coming.
 - qcom,sec-auxpcm-gpio-dout : GPIO on which Secondary AUXPCM DOUT signal is coming.
 - qcom,us-euro-gpios : GPIO on which gnd/mic swap signal is coming.
-
 Optional properties:
 - qcom,hdmi-audio-rx: specifies if HDMI audio support is enabled or not.
+- qcom,ext-ult-spk-amp-gpio : GPIO for enabling of speaker path amplifier.
 
 Example:
 
@@ -503,6 +507,7 @@
 	qcom,prim-auxpcm-gpio-sync = <&msmgpio 66 0>;
 	qcom,prim-auxpcm-gpio-din  = <&msmgpio 67 0>;
 	qcom,prim-auxpcm-gpio-dout = <&msmgpio 68 0>;
+	qcom,prim-auxpcm-gpio-set = "prim-gpio-prim";
 	qcom,sec-auxpcm-gpio-clk  = <&msmgpio 79 0>;
 	qcom,sec-auxpcm-gpio-sync = <&msmgpio 80 0>;
 	qcom,sec-auxpcm-gpio-din  = <&msmgpio 81 0>;
diff --git a/Documentation/devicetree/bindings/usb/dwc3.txt b/Documentation/devicetree/bindings/usb/dwc3.txt
index fd5b93e..6d54f7e 100644
--- a/Documentation/devicetree/bindings/usb/dwc3.txt
+++ b/Documentation/devicetree/bindings/usb/dwc3.txt
@@ -12,6 +12,7 @@
 
 Optional properties:
  - tx-fifo-resize: determines if the FIFO *has* to be reallocated.
+ - host-only-mode: if present then dwc3 should be run in HOST only mode.
 
 This is usually a subnode to DWC3 glue to which it is connected.
 
diff --git a/Documentation/devicetree/bindings/usb/msm-hsusb.txt b/Documentation/devicetree/bindings/usb/msm-hsusb.txt
index 8c48770..4fcd7b4 100644
--- a/Documentation/devicetree/bindings/usb/msm-hsusb.txt
+++ b/Documentation/devicetree/bindings/usb/msm-hsusb.txt
@@ -124,6 +124,8 @@
 - qcom,pool-64-bit-align: If present then the pool's memory will be aligned
   to 64 bits
 - qcom,enable_hbm: if present host bus manager is enabled.
+- qcom,disable-park-mode: if present park mode is enabled. Park mode enables executing
+  up to 3 usb packets from each QH.
 
 Example MSM HSUSB EHCI controller device node :
 	ehci: qcom,ehci-host@f9a55000 {
diff --git a/arch/arm/boot/dts/apq8074-v2-liquid.dts b/arch/arm/boot/dts/apq8074-v2-liquid.dts
new file mode 100644
index 0000000..4ec1cdd
--- /dev/null
+++ b/arch/arm/boot/dts/apq8074-v2-liquid.dts
@@ -0,0 +1,34 @@
+/* Copyright (c) 2013, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * 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.
+ */
+
+/dts-v1/;
+
+/include/ "apq8074-v2.dtsi"
+/include/ "msm8974-liquid.dtsi"
+
+/ {
+	model = "Qualcomm APQ 8074v2 LIQUID";
+	compatible = "qcom,apq8074-liquid", "qcom,apq8074", "qcom,liquid";
+	qcom,msm-id = <184 9 0x20000>;
+};
+
+&usb3 {
+	interrupt-parent = <&usb3>;
+	interrupts = <0 1>;
+	#interrupt-cells = <1>;
+	interrupt-map-mask = <0x0 0xffffffff>;
+	interrupt-map = <0x0 0 &intc 0 133 0
+			0x0 1 &spmi_bus 0x0 0x0 0x9 0x0>;
+	interrupt-names = "hs_phy_irq", "pmic_id_irq";
+
+	qcom,misc-ref = <&pm8941_misc>;
+};
diff --git a/arch/arm/boot/dts/apq8074-v2.dtsi b/arch/arm/boot/dts/apq8074-v2.dtsi
new file mode 100644
index 0000000..3b65236
--- /dev/null
+++ b/arch/arm/boot/dts/apq8074-v2.dtsi
@@ -0,0 +1,48 @@
+/* Copyright (c) 2013, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * 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.
+ */
+
+/*
+ * As a general rule, only version-specific property overrides should be placed
+ * inside this file. However, device definitions should be placed inside the
+ * msm8974.dtsi file.
+ */
+
+/include/ "msm8974-v2.dtsi"
+
+/ {
+	qcom,qseecom@a700000 {
+		compatible = "qcom,qseecom";
+		reg = <0x0a700000 0x500000>;
+		reg-names = "secapp-region";
+		qcom,disk-encrypt-pipe-pair = <2>;
+		qcom,hlos-ce-hw-instance = <1>;
+		qcom,qsee-ce-hw-instance = <0>;
+		qcom,msm-bus,name = "qseecom-noc";
+		qcom,msm-bus,num-cases = <4>;
+		qcom,msm-bus,active-only = <0>;
+		qcom,msm-bus,num-paths = <1>;
+		qcom,msm-bus,vectors-KBps =
+				<55 512 0 0>,
+				<55 512 3936000 393600>,
+				<55 512 3936000 393600>,
+				<55 512 3936000 393600>;
+	};
+};
+
+&memory_hole {
+	qcom,memblock-remove = <0x0a700000 0x5800000>; /* Address and size of the hole */
+};
+
+&qseecom {
+	status = "disabled";
+};
+
diff --git a/arch/arm/boot/dts/msmzinc-ion.dtsi b/arch/arm/boot/dts/apq8084-ion.dtsi
similarity index 100%
rename from arch/arm/boot/dts/msmzinc-ion.dtsi
rename to arch/arm/boot/dts/apq8084-ion.dtsi
diff --git a/arch/arm/boot/dts/apq8084-sim.dts b/arch/arm/boot/dts/apq8084-sim.dts
new file mode 100644
index 0000000..45d625c
--- /dev/null
+++ b/arch/arm/boot/dts/apq8084-sim.dts
@@ -0,0 +1,73 @@
+/* Copyright (c) 2013, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * 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.
+ */
+
+/dts-v1/;
+
+/include/ "apq8084.dtsi"
+
+/ {
+	model = "Qualcomm APQ 8084 Simulator";
+	compatible = "qcom,apq8084-sim", "qcom,apq8084", "qcom,sim";
+	qcom,msm-id = <178 0 0>;
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	uart0: serial@f991f000 {
+		status = "ok";
+	};
+};
+
+&sdcc1 {
+	qcom,vdd-always-on;
+	qcom,vdd-lpm-sup;
+	qcom,vdd-voltage-level = <2950000 2950000>;
+	qcom,vdd-current-level = <800 500000>;
+
+	qcom,vdd-io-always-on;
+	qcom,vdd-io-voltage-level = <1800000 1800000>;
+	qcom,vdd-io-current-level = <250 154000>;
+
+	qcom,pad-pull-on = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
+	qcom,pad-pull-off = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
+	qcom,pad-drv-on = <0x7 0x4 0x4>; /* 16mA, 10mA, 10mA */
+	qcom,pad-drv-off = <0x0 0x0 0x0>; /* 2mA, 2mA, 2mA */
+
+	qcom,clk-rates = <400000 20000000 25000000 50000000 100000000 200000000>;
+	qcom,sup-voltages = <2950 2950>;
+	qcom,nonremovable;
+	qcom,bus-speed-mode = "HS200_1p8v", "DDR_1p8v";
+
+	status = "ok";
+};
+
+&sdcc2 {
+	qcom,vdd-voltage-level = <2950000 2950000>;
+	qcom,vdd-current-level = <9000 800000>;
+	qcom,vdd-io-voltage-level = <1800000 2950000>;
+	qcom,vdd-io-current-level = <6 22000>;
+	qcom,vdd-io-lpm-sup;
+
+	qcom,pad-pull-on = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
+	qcom,pad-pull-off = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
+	qcom,pad-drv-on = <0x7 0x4 0x4>; /* 16mA, 10mA, 10mA */
+	qcom,pad-drv-off = <0x0 0x0 0x0>; /* 2mA, 2mA, 2mA */
+
+	qcom,clk-rates = <400000 20000000 25000000 50000000 100000000 200000000>;
+	qcom,sup-voltages = <2950 2950>;
+	qcom,xpc;
+	qcom,bus-speed-mode = "SDR12", "SDR25", "SDR50", "DDR50", "SDR104";
+	qcom,current-limit = <800>;
+
+	status = "ok";
+};
diff --git a/arch/arm/boot/dts/msmzinc.dtsi b/arch/arm/boot/dts/apq8084.dtsi
similarity index 77%
rename from arch/arm/boot/dts/msmzinc.dtsi
rename to arch/arm/boot/dts/apq8084.dtsi
index 642597d..c3c3759 100644
--- a/arch/arm/boot/dts/msmzinc.dtsi
+++ b/arch/arm/boot/dts/apq8084.dtsi
@@ -11,11 +11,11 @@
  */
 
 /include/ "skeleton.dtsi"
-/include/ "msmzinc-ion.dtsi"
+/include/ "apq8084-ion.dtsi"
 
 / {
-	model = "Qualcomm MSM ZINC";
-	compatible = "qcom,msmzinc";
+	model = "Qualcomm APQ 8084";
+	compatible = "qcom,apq8084";
 	interrupt-parent = <&intc>;
 
 	intc: interrupt-controller@f9000000 {
@@ -83,4 +83,28 @@
 		qcom,memory-reservation-size = <0x100000>; /* 1M EBI1 buffer */
 	};
 
+	sdcc1: qcom,sdcc@f9824000 {
+		cell-index = <1>; /* SDC1 eMMC slot */
+		compatible = "qcom,msm-sdcc";
+		reg = <0xf9824000 0x800>;
+		reg-names = "core_mem";
+		interrupts = <0 123 0>;
+		interrupt-names = "core_irq";
+
+		qcom,bus-width = <8>;
+		status = "disabled";
+	};
+
+	sdcc2: qcom,sdcc@f98a4000 {
+		cell-index = <2>; /* SDC2 SD card slot */
+		compatible = "qcom,msm-sdcc";
+		reg = <0xf98a4000 0x800>;
+		reg-names = "core_mem";
+		interrupts = <0 125 0>;
+		interrupt-names = "core_irq";
+
+
+		qcom,bus-width = <4>;
+		status = "disabled";
+	};
 };
diff --git a/arch/arm/boot/dts/mpq8092.dtsi b/arch/arm/boot/dts/mpq8092.dtsi
index 75f168d..5c904b4 100644
--- a/arch/arm/boot/dts/mpq8092.dtsi
+++ b/arch/arm/boot/dts/mpq8092.dtsi
@@ -85,7 +85,7 @@
 
 		qcom,pad-pull-on = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
 		qcom,pad-pull-off = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
-		qcom,pad-drv-on = <0x7 0x4 0x4>; /* 16mA, 10mA, 10mA */
+		qcom,pad-drv-on = <0x4 0x4 0x4>; /* 10mA, 10mA, 10mA */
 		qcom,pad-drv-off = <0x0 0x0 0x0>; /* 2mA, 2mA, 2mA */
 
 		qcom,clk-rates = <400000 25000000 50000000 100000000 200000000>;
@@ -105,7 +105,7 @@
 
 		qcom,pad-pull-on = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
 		qcom,pad-pull-off = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
-		qcom,pad-drv-on = <0x7 0x4 0x4>; /* 16mA, 10mA, 10mA */
+		qcom,pad-drv-on = <0x4 0x4 0x4>; /* 10mA, 10mA, 10mA */
 		qcom,pad-drv-off = <0x0 0x0 0x0>; /* 2mA, 2mA, 2mA */
 
 		qcom,clk-rates = <400000 25000000 50000000 100000000 200000000>;
diff --git a/arch/arm/boot/dts/msm-pm8110-rpm-regulator.dtsi b/arch/arm/boot/dts/msm-pm8110-rpm-regulator.dtsi
new file mode 100644
index 0000000..0de72b0
--- /dev/null
+++ b/arch/arm/boot/dts/msm-pm8110-rpm-regulator.dtsi
@@ -0,0 +1,381 @@
+/* Copyright (c) 2013, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * 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.
+ */
+
+&rpm_bus {
+	rpm-regulator-smpa1 {
+		compatible = "qcom,rpm-regulator-smd-resource";
+		qcom,resource-name = "smpa";
+		qcom,resource-id = <1>;
+		qcom,regulator-type = <1>;
+		qcom,hpm-min-load = <100000>;
+		status = "disabled";
+
+		regulator-s1 {
+			compatible = "qcom,rpm-regulator-smd";
+			regulator-name = "8110_s1";
+			qcom,set = <3>;
+			status = "disabled";
+		};
+	};
+
+	rpm-regulator-smpa3 {
+		compatible = "qcom,rpm-regulator-smd-resource";
+		qcom,resource-name = "smpa";
+		qcom,resource-id = <3>;
+		qcom,regulator-type = <1>;
+		qcom,hpm-min-load = <100000>;
+		status = "disabled";
+
+		regulator-s3 {
+			compatible = "qcom,rpm-regulator-smd";
+			regulator-name = "8110_s3";
+			qcom,set = <3>;
+			status = "disabled";
+		};
+	};
+
+	rpm-regulator-smpa4 {
+		compatible = "qcom,rpm-regulator-smd-resource";
+		qcom,resource-name = "smpa";
+		qcom,resource-id = <4>;
+		qcom,regulator-type = <1>;
+		qcom,hpm-min-load = <100000>;
+		status = "disabled";
+
+		regulator-s4 {
+			compatible = "qcom,rpm-regulator-smd";
+			regulator-name = "8110_s4";
+			qcom,set = <3>;
+			status = "disabled";
+		};
+	};
+
+	rpm-regulator-ldoa1 {
+		compatible = "qcom,rpm-regulator-smd-resource";
+		qcom,resource-name = "ldoa";
+		qcom,resource-id = <1>;
+		qcom,regulator-type = <0>;
+		qcom,hpm-min-load = <10000>;
+		status = "disabled";
+
+		regulator-l1 {
+			compatible = "qcom,rpm-regulator-smd";
+			regulator-name = "8110_l1";
+			qcom,set = <3>;
+			status = "disabled";
+		};
+	};
+
+	rpm-regulator-ldoa2 {
+		compatible = "qcom,rpm-regulator-smd-resource";
+		qcom,resource-name = "ldoa";
+		qcom,resource-id = <2>;
+		qcom,regulator-type = <0>;
+		qcom,hpm-min-load = <10000>;
+		status = "disabled";
+
+		regulator-l2 {
+			compatible = "qcom,rpm-regulator-smd";
+			regulator-name = "8110_l2";
+			qcom,set = <3>;
+			status = "disabled";
+		};
+	};
+
+	rpm-regulator-ldoa3 {
+		compatible = "qcom,rpm-regulator-smd-resource";
+		qcom,resource-name = "ldoa";
+		qcom,resource-id = <3>;
+		qcom,regulator-type = <0>;
+		qcom,hpm-min-load = <10000>;
+		status = "disabled";
+
+		regulator-l3 {
+			compatible = "qcom,rpm-regulator-smd";
+			regulator-name = "8110_l3";
+			qcom,set = <3>;
+			status = "disabled";
+		};
+	};
+
+	rpm-regulator-ldoa4 {
+		compatible = "qcom,rpm-regulator-smd-resource";
+		qcom,resource-name = "ldoa";
+		qcom,resource-id = <4>;
+		qcom,regulator-type = <0>;
+		qcom,hpm-min-load = <10000>;
+		status = "disabled";
+
+		regulator-l4 {
+			compatible = "qcom,rpm-regulator-smd";
+			regulator-name = "8110_l4";
+			qcom,set = <3>;
+			status = "disabled";
+		};
+	};
+
+	rpm-regulator-ldoa5 {
+		compatible = "qcom,rpm-regulator-smd-resource";
+		qcom,resource-name = "ldoa";
+		qcom,resource-id = <5>;
+		qcom,regulator-type = <0>;
+		qcom,hpm-min-load = <10000>;
+		status = "disabled";
+
+		regulator-l5 {
+			compatible = "qcom,rpm-regulator-smd";
+			regulator-name = "8110_l5";
+			qcom,set = <3>;
+			status = "disabled";
+		};
+	};
+
+	rpm-regulator-ldoa6 {
+		compatible = "qcom,rpm-regulator-smd-resource";
+		qcom,resource-name = "ldoa";
+		qcom,resource-id = <6>;
+		qcom,regulator-type = <0>;
+		qcom,hpm-min-load = <10000>;
+		status = "disabled";
+
+		regulator-l6 {
+			compatible = "qcom,rpm-regulator-smd";
+			regulator-name = "8110_l6";
+			qcom,set = <3>;
+			status = "disabled";
+		};
+	};
+
+	rpm-regulator-ldoa7 {
+		compatible = "qcom,rpm-regulator-smd-resource";
+		qcom,resource-name = "ldoa";
+		qcom,resource-id = <7>;
+		qcom,regulator-type = <0>;
+		qcom,hpm-min-load = <10000>;
+		status = "disabled";
+
+		regulator-l7 {
+			compatible = "qcom,rpm-regulator-smd";
+			regulator-name = "8110_l7";
+			qcom,set = <3>;
+			status = "disabled";
+		};
+	};
+
+	rpm-regulator-ldoa8 {
+		compatible = "qcom,rpm-regulator-smd-resource";
+		qcom,resource-name = "ldoa";
+		qcom,resource-id = <8>;
+		qcom,regulator-type = <0>;
+		qcom,hpm-min-load = <5000>;
+		status = "disabled";
+
+		regulator-l8 {
+			compatible = "qcom,rpm-regulator-smd";
+			regulator-name = "8110_l8";
+			qcom,set = <1>;
+			status = "disabled";
+		};
+	};
+
+	rpm-regulator-ldoa9 {
+		compatible = "qcom,rpm-regulator-smd-resource";
+		qcom,resource-name = "ldoa";
+		qcom,resource-id = <9>;
+		qcom,regulator-type = <0>;
+		qcom,hpm-min-load = <10000>;
+		status = "disabled";
+
+		regulator-l9 {
+			compatible = "qcom,rpm-regulator-smd";
+			regulator-name = "8110_l9";
+			qcom,set = <3>;
+			status = "disabled";
+		};
+	};
+
+	rpm-regulator-ldoa10 {
+		compatible = "qcom,rpm-regulator-smd-resource";
+		qcom,resource-name = "ldoa";
+		qcom,resource-id = <10>;
+		qcom,regulator-type = <0>;
+		qcom,hpm-min-load = <10000>;
+		status = "disabled";
+
+		regulator-l10 {
+			compatible = "qcom,rpm-regulator-smd";
+			regulator-name = "8110_l10";
+			qcom,set = <3>;
+			status = "disabled";
+		};
+	};
+
+	rpm-regulator-ldoa12 {
+		compatible = "qcom,rpm-regulator-smd-resource";
+		qcom,resource-name = "ldoa";
+		qcom,resource-id = <12>;
+		qcom,regulator-type = <0>;
+		qcom,hpm-min-load = <10000>;
+		status = "disabled";
+
+		regulator-l12 {
+			compatible = "qcom,rpm-regulator-smd";
+			regulator-name = "8110_l12";
+			qcom,set = <3>;
+			status = "disabled";
+		};
+	};
+
+	rpm-regulator-ldoa14 {
+		compatible = "qcom,rpm-regulator-smd-resource";
+		qcom,resource-name = "ldoa";
+		qcom,resource-id = <14>;
+		qcom,regulator-type = <0>;
+		qcom,hpm-min-load = <10000>;
+		status = "disabled";
+
+		regulator-l14 {
+			compatible = "qcom,rpm-regulator-smd";
+			regulator-name = "8110_l14";
+			qcom,set = <3>;
+			status = "disabled";
+		};
+	};
+
+	rpm-regulator-ldoa15 {
+		compatible = "qcom,rpm-regulator-smd-resource";
+		qcom,resource-name = "ldoa";
+		qcom,resource-id = <15>;
+		qcom,regulator-type = <0>;
+		qcom,hpm-min-load = <10000>;
+		status = "disabled";
+
+		regulator-l15 {
+			compatible = "qcom,rpm-regulator-smd";
+			regulator-name = "8110_l15";
+			qcom,set = <3>;
+			status = "disabled";
+		};
+	};
+
+	rpm-regulator-ldoa16 {
+		compatible = "qcom,rpm-regulator-smd-resource";
+		qcom,resource-name = "ldoa";
+		qcom,resource-id = <16>;
+		qcom,regulator-type = <0>;
+		qcom,hpm-min-load = <10000>;
+		status = "disabled";
+
+		regulator-l16 {
+			compatible = "qcom,rpm-regulator-smd";
+			regulator-name = "8110_l16";
+			qcom,set = <3>;
+			status = "disabled";
+		};
+	};
+
+	rpm-regulator-ldoa17 {
+		compatible = "qcom,rpm-regulator-smd-resource";
+		qcom,resource-name = "ldoa";
+		qcom,resource-id = <17>;
+		qcom,regulator-type = <0>;
+		qcom,hpm-min-load = <10000>;
+		status = "disabled";
+
+		regulator-l17 {
+			compatible = "qcom,rpm-regulator-smd";
+			regulator-name = "8110_l17";
+			qcom,set = <3>;
+			status = "disabled";
+		};
+	};
+
+	rpm-regulator-ldoa18 {
+		compatible = "qcom,rpm-regulator-smd-resource";
+		qcom,resource-name = "ldoa";
+		qcom,resource-id = <18>;
+		qcom,regulator-type = <0>;
+		qcom,hpm-min-load = <10000>;
+		status = "disabled";
+
+		regulator-l18 {
+			compatible = "qcom,rpm-regulator-smd";
+			regulator-name = "8110_l18";
+			qcom,set = <3>;
+			status = "disabled";
+		};
+	};
+
+	rpm-regulator-ldoa19 {
+		compatible = "qcom,rpm-regulator-smd-resource";
+		qcom,resource-name = "ldoa";
+		qcom,resource-id = <19>;
+		qcom,regulator-type = <0>;
+		qcom,hpm-min-load = <10000>;
+		status = "disabled";
+
+		regulator-l19 {
+			compatible = "qcom,rpm-regulator-smd";
+			regulator-name = "8110_l19";
+			qcom,set = <3>;
+			status = "disabled";
+		};
+	};
+
+	rpm-regulator-ldoa20 {
+		compatible = "qcom,rpm-regulator-smd-resource";
+		qcom,resource-name = "ldoa";
+		qcom,resource-id = <20>;
+		qcom,regulator-type = <0>;
+		qcom,hpm-min-load = <5000>;
+		status = "disabled";
+
+		regulator-l20 {
+			compatible = "qcom,rpm-regulator-smd";
+			regulator-name = "8110_l20";
+			qcom,set = <3>;
+			status = "disabled";
+		};
+	};
+
+	rpm-regulator-ldoa21 {
+		compatible = "qcom,rpm-regulator-smd-resource";
+		qcom,resource-name = "ldoa";
+		qcom,resource-id = <21>;
+		qcom,regulator-type = <0>;
+		qcom,hpm-min-load = <10000>;
+		status = "disabled";
+
+		regulator-l21 {
+			compatible = "qcom,rpm-regulator-smd";
+			regulator-name = "8110_l21";
+			qcom,set = <3>;
+			status = "disabled";
+		};
+	};
+
+	rpm-regulator-ldoa22 {
+		compatible = "qcom,rpm-regulator-smd-resource";
+		qcom,resource-name = "ldoa";
+		qcom,resource-id = <22>;
+		qcom,regulator-type = <0>;
+		qcom,hpm-min-load = <10000>;
+		status = "disabled";
+
+		regulator-l22 {
+			compatible = "qcom,rpm-regulator-smd";
+			regulator-name = "8110_l22";
+			qcom,set = <3>;
+			status = "disabled";
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/msm-pm8110.dtsi b/arch/arm/boot/dts/msm-pm8110.dtsi
index 28766cf..b88b991 100644
--- a/arch/arm/boot/dts/msm-pm8110.dtsi
+++ b/arch/arm/boot/dts/msm-pm8110.dtsi
@@ -22,6 +22,100 @@
 		#address-cells = <1>;
 		#size-cells = <1>;
 
+		pm8110_chg: qcom,charger {
+			spmi-dev-container;
+			compatible = "qcom,qpnp-charger";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			status = "disabled";
+
+			qcom,vddmax-mv = <4200>;
+			qcom,vddsafe-mv = <4200>;
+			qcom,vinmin-mv = <4200>;
+			qcom,vbatdet-mv = <4100>;
+			qcom,ibatmax-ma = <1500>;
+			qcom,ibatterm-ma = <200>;
+			qcom,ibatsafe-ma = <1500>;
+			qcom,thermal-mitigation = <1500 700 600 325>;
+			qcom,vbatdet-delta-mv = <350>;
+			qcom,tchg-mins = <150>;
+
+			qcom,chgr@1000 {
+				status = "disabled";
+				reg = <0x1000 0x100>;
+				interrupts =	<0x0 0x10 0x0>,
+						<0x0 0x10 0x1>,
+						<0x0 0x10 0x2>,
+						<0x0 0x10 0x3>,
+						<0x0 0x10 0x4>,
+						<0x0 0x10 0x5>,
+						<0x0 0x10 0x6>,
+						<0x0 0x10 0x7>;
+
+				interrupt-names =	"vbat-det-lo",
+							"vbat-det-hi",
+							"chgwdog",
+							"state-change",
+							"trkl-chg-on",
+							"fast-chg-on",
+							"chg-failed",
+							"chg-done";
+			};
+
+			qcom,buck@1100 {
+				status = "disabled";
+				reg = <0x1100 0x100>;
+				interrupts =	<0x0 0x11 0x0>,
+						<0x0 0x11 0x1>,
+						<0x0 0x11 0x2>,
+						<0x0 0x11 0x3>,
+						<0x0 0x11 0x4>,
+						<0x0 0x11 0x5>,
+						<0x0 0x11 0x6>;
+
+				interrupt-names =	"vbat-ov",
+							"vreg-ov",
+							"overtemp",
+							"vchg-loop",
+							"ichg-loop",
+							"ibat-loop",
+							"vdd-loop";
+			};
+
+			qcom,bat-if@1200 {
+				status = "disabled";
+				reg = <0x1200 0x100>;
+				interrupts =	<0x0 0x12 0x0>,
+						<0x0 0x12 0x1>,
+						<0x0 0x12 0x2>,
+						<0x0 0x12 0x3>,
+						<0x0 0x12 0x4>;
+
+				interrupt-names =	"batt-pres",
+							"bat-temp-ok",
+							"bat-fet-on",
+							"vcp-on",
+							"psi";
+			};
+
+			qcom,usb-chgpth@1300 {
+				status = "disabled";
+				reg = <0x1300 0x100>;
+				interrupts =	<0 0x13 0x0>,
+						<0 0x13 0x1>,
+						<0x0 0x13 0x2>;
+
+				interrupt-names =	"coarse-det-usb",
+							"usbin-valid",
+							"chg-gone";
+			};
+
+			qcom,chg-misc@1600 {
+				status = "disabled";
+				reg = <0x1600 0x100>;
+			};
+		};
+
 		pm8110_vadc: vadc@3100 {
 			compatible = "qcom,qpnp-vadc";
 			reg = <0x3100 0x100>;
@@ -75,7 +169,6 @@
 			interrupt-names = "eoc-int-en-set";
 			qcom,adc-bit-resolution = <16>;
 			qcom,adc-vdd-reference = <1800>;
-			qcom,rsense = <1500>;
 
 			chan@0 {
 				label = "internal_rsense";
@@ -106,6 +199,12 @@
 				interrupts = <0x0 0x61 0x1>;
 			};
 		};
+
+		qcom,leds@a200 {
+			compatible = "qcom,leds-qpnp";
+			reg = <0xa200 0x100>;
+			label = "mpp";
+		};
 	};
 
 	qcom,pm8110@1 {
diff --git a/arch/arm/boot/dts/msm-pm8226.dtsi b/arch/arm/boot/dts/msm-pm8226.dtsi
index 12641c5..41920d5 100644
--- a/arch/arm/boot/dts/msm-pm8226.dtsi
+++ b/arch/arm/boot/dts/msm-pm8226.dtsi
@@ -368,7 +368,6 @@
 			interrupt-names = "eoc-int-en-set";
 			qcom,adc-bit-resolution = <16>;
 			qcom,adc-vdd-reference = <1800>;
-			qcom,rsense = <1500>;
 
 			chan@0 {
 				label = "internal_rsense";
@@ -687,6 +686,54 @@
 			label = "wled";
 		};
 
+		pwm@b100 {
+			compatible = "qcom,qpnp-pwm";
+			reg = <0xb100 0x100>,
+			      <0xb042 0x7e>;
+			reg-names = "qpnp-lpg-channel-base", "qpnp-lpg-lut-base";
+			qcom,channel-id = <0>;
+		};
+
+		pwm@b200 {
+			compatible = "qcom,qpnp-pwm";
+			reg = <0xb200 0x100>,
+			      <0xb042 0x7e>;
+			reg-names = "qpnp-lpg-channel-base", "qpnp-lpg-lut-base";
+			qcom,channel-id = <1>;
+		};
+
+		pwm@b300 {
+			compatible = "qcom,qpnp-pwm";
+			reg = <0xb300 0x100>,
+			      <0xb042 0x7e>;
+			reg-names = "qpnp-lpg-channel-base", "qpnp-lpg-lut-base";
+			qcom,channel-id = <2>;
+		};
+
+		pwm@b400 {
+			compatible = "qcom,qpnp-pwm";
+			reg = <0xb400 0x100>,
+			      <0xb042 0x7e>;
+			reg-names = "qpnp-lpg-channel-base", "qpnp-lpg-lut-base";
+			qcom,channel-id = <3>;
+		};
+
+		pwm@b500 {
+			compatible = "qcom,qpnp-pwm";
+			reg = <0xb500 0x100>,
+			      <0xb042 0x7e>;
+			reg-names = "qpnp-lpg-channel-base", "qpnp-lpg-lut-base";
+			qcom,channel-id = <4>;
+		};
+
+		pwm@b600 {
+			compatible = "qcom,qpnp-pwm";
+			reg = <0xb600 0x100>,
+			      <0xb042 0x7e>;
+			reg-names = "qpnp-lpg-channel-base", "qpnp-lpg-lut-base";
+			qcom,channel-id = <5>;
+		};
+
 		regulator@8000 {
 			regulator-name = "8226_lvs1";
 			reg = <0x8000 0x100>;
diff --git a/arch/arm/boot/dts/msm-pm8941.dtsi b/arch/arm/boot/dts/msm-pm8941.dtsi
index 776b9d6..43b7d03 100644
--- a/arch/arm/boot/dts/msm-pm8941.dtsi
+++ b/arch/arm/boot/dts/msm-pm8941.dtsi
@@ -791,7 +791,6 @@
 			interrupt-names = "eoc-int-en-set";
 			qcom,adc-bit-resolution = <16>;
 			qcom,adc-vdd-reference = <1800>;
-			qcom,rsense = <1500>;
 
 			chan@0 {
 				label = "internal_rsense";
diff --git a/arch/arm/boot/dts/msm8226-cdp.dts b/arch/arm/boot/dts/msm8226-cdp.dts
index 5f0dcc3..b203540 100644
--- a/arch/arm/boot/dts/msm8226-cdp.dts
+++ b/arch/arm/boot/dts/msm8226-cdp.dts
@@ -33,11 +33,11 @@
 			compatible = "synaptics,rmi4";
 			reg = <0x20>;
 			interrupt-parent = <&msmgpio>;
-			interrupts = <17 0x2>;
+			interrupts = <17 0x2008>;
 			vdd-supply = <&pm8226_l19>;
 			vcc_i2c-supply = <&pm8226_lvs1>;
 			synaptics,reset-gpio = <&msmgpio 16 0x00>;
-			synaptics,irq-gpio = <&msmgpio 17 0x00>;
+			synaptics,irq-gpio = <&msmgpio 17 0x2008>;
 			synaptics,button-map = <139 102 158>;
 			synaptics,i2c-pull-up;
 			synaptics,reg-en;
@@ -131,7 +131,7 @@
 
 	qcom,pad-pull-on = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
 	qcom,pad-pull-off = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
-	qcom,pad-drv-on = <0x4 0x4 0x4>; /* 16mA, 10mA, 10mA */
+	qcom,pad-drv-on = <0x4 0x4 0x4>; /* 10mA, 10mA, 10mA */
 	qcom,pad-drv-off = <0x0 0x0 0x0>; /* 2mA, 2mA, 2mA */
 
 	qcom,clk-rates = <400000 25000000 50000000 100000000 200000000>;
@@ -180,7 +180,7 @@
 
 	qcom,pad-pull-on = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
 	qcom,pad-pull-off = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
-	qcom,pad-drv-on = <0x4 0x4 0x4>; /* 16mA, 10mA, 10mA */
+	qcom,pad-drv-on = <0x4 0x4 0x4>; /* 10mA, 10mA, 10mA */
 	qcom,pad-drv-off = <0x0 0x0 0x0>; /* 2mA, 2mA, 2mA */
 
 	qcom,clk-rates = <400000 25000000 50000000 100000000 200000000>;
@@ -266,7 +266,7 @@
 		qcom,mode = <1>;		/* Digital output */
 		qcom,output-type = <0>;	/* CMOS logic */
 		qcom,pull = <5>;		/* QPNP_PIN_PULL_NO*/
-		qcom,vin-sel = <2>;		/* QPNP_PIN_VIN2 */
+		qcom,vin-sel = <3>;		/* QPNP_PIN_VIN3 */
 		qcom,out-strength = <3>;/* QPNP_PIN_OUT_STRENGTH_HIGH */
 		qcom,src-sel = <2>;		/* QPNP_PIN_SEL_FUNC_1 */
 		qcom,master-en = <1>;	/* Enable GPIO */
@@ -276,7 +276,7 @@
 		qcom,mode = <1>;
 		qcom,output-type = <0>;
 		qcom,pull = <5>;
-		qcom,vin-sel = <2>;
+		qcom,vin-sel = <3>;
 		qcom,out-strength = <3>;
 		qcom,src-sel = <2>;
 		qcom,master-en = <1>;
diff --git a/arch/arm/boot/dts/msm8226-ion.dtsi b/arch/arm/boot/dts/msm8226-ion.dtsi
index 9cef5a9..f433a49 100644
--- a/arch/arm/boot/dts/msm8226-ion.dtsi
+++ b/arch/arm/boot/dts/msm8226-ion.dtsi
@@ -50,5 +50,19 @@
 			qcom,memory-reservation-type = "EBI1"; /* reserve EBI memory */
 			qcom,memory-reservation-size = <0x314000>;
 		};
+		qcom,ion-heap@23 { /* OTHER PIL HEAP */
+			compatible = "qcom,msm-ion-reserve";
+			reg = <23>;
+			qcom,heap-align = <0x1000>;
+			qcom,memory-fixed = <0x06400000 0x2000000>;
+		};
+		qcom,ion-heap@26 { /* MODEM PIL HEAP */
+			compatible = "qcom,msm-ion-reserve";
+			reg = <26>;
+			qcom,heap-align = <0x1000>;
+			qcom,memory-fixed = <0x08400000 0x4E00000>;
+
+		};
+
 	};
 };
diff --git a/arch/arm/boot/dts/msm8226-mtp.dts b/arch/arm/boot/dts/msm8226-mtp.dts
index 59741c6..1f8a773 100644
--- a/arch/arm/boot/dts/msm8226-mtp.dts
+++ b/arch/arm/boot/dts/msm8226-mtp.dts
@@ -33,11 +33,11 @@
 			compatible = "synaptics,rmi4";
 			reg = <0x20>;
 			interrupt-parent = <&msmgpio>;
-			interrupts = <17 0x2>;
+			interrupts = <17 0x2008>;
 			vdd-supply = <&pm8226_l19>;
 			vcc_i2c-supply = <&pm8226_lvs1>;
 			synaptics,reset-gpio = <&msmgpio 16 0x00>;
-			synaptics,irq-gpio = <&msmgpio 17 0x00>;
+			synaptics,irq-gpio = <&msmgpio 17 0x2008>;
 			synaptics,button-map = <139 102 158>;
 			synaptics,i2c-pull-up;
 			synaptics,reg-en;
@@ -123,7 +123,7 @@
 
 	qcom,pad-pull-on = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
 	qcom,pad-pull-off = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
-	qcom,pad-drv-on = <0x4 0x4 0x4>; /* 16mA, 10mA, 10mA */
+	qcom,pad-drv-on = <0x4 0x4 0x4>; /* 10mA, 10mA, 10mA */
 	qcom,pad-drv-off = <0x0 0x0 0x0>; /* 2mA, 2mA, 2mA */
 
 	qcom,clk-rates = <400000 25000000 50000000 100000000 200000000>;
@@ -172,7 +172,7 @@
 
 	qcom,pad-pull-on = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
 	qcom,pad-pull-off = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
-	qcom,pad-drv-on = <0x4 0x4 0x4>; /* 16mA, 10mA, 10mA */
+	qcom,pad-drv-on = <0x4 0x4 0x4>; /* 10mA, 10mA, 10mA */
 	qcom,pad-drv-off = <0x0 0x0 0x0>; /* 2mA, 2mA, 2mA */
 
 	qcom,clk-rates = <400000 25000000 50000000 100000000 200000000>;
@@ -259,7 +259,7 @@
 		qcom,mode = <1>;		/* Digital output */
 		qcom,output-type = <0>;	/* CMOS logic */
 		qcom,pull = <5>;		/* QPNP_PIN_PULL_NO*/
-		qcom,vin-sel = <2>;		/* QPNP_PIN_VIN2 */
+		qcom,vin-sel = <3>;		/* QPNP_PIN_VIN3 */
 		qcom,out-strength = <3>;/* QPNP_PIN_OUT_STRENGTH_HIGH */
 		qcom,src-sel = <2>;		/* QPNP_PIN_SEL_FUNC_1 */
 		qcom,master-en = <1>;	/* Enable GPIO */
@@ -269,7 +269,7 @@
 		qcom,mode = <1>;
 		qcom,output-type = <0>;
 		qcom,pull = <5>;
-		qcom,vin-sel = <2>;
+		qcom,vin-sel = <3>;
 		qcom,out-strength = <3>;
 		qcom,src-sel = <2>;
 		qcom,master-en = <1>;
@@ -359,3 +359,7 @@
 &pm8226_bms {
 	status = "ok";
 };
+
+&pm8226_chg {
+	qcom,charging-disabled;
+};
diff --git a/arch/arm/boot/dts/msm8226-qrd.dts b/arch/arm/boot/dts/msm8226-qrd.dts
index bbde23f..660fb3e 100644
--- a/arch/arm/boot/dts/msm8226-qrd.dts
+++ b/arch/arm/boot/dts/msm8226-qrd.dts
@@ -33,11 +33,11 @@
 			compatible = "synaptics,rmi4";
 			reg = <0x20>;
 			interrupt-parent = <&msmgpio>;
-			interrupts = <17 0x2>;
+			interrupts = <17 0x2008>;
 			vdd-supply = <&pm8226_l19>;
 			vcc_i2c-supply = <&pm8226_lvs1>;
 			synaptics,reset-gpio = <&msmgpio 16 0x00>;
-			synaptics,irq-gpio = <&msmgpio 17 0x00>;
+			synaptics,irq-gpio = <&msmgpio 17 0x2008>;
 			synaptics,button-map = <139 102 158>;
 			synaptics,i2c-pull-up;
 			synaptics,reg-en;
@@ -123,7 +123,7 @@
 
 	qcom,pad-pull-on = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
 	qcom,pad-pull-off = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
-	qcom,pad-drv-on = <0x4 0x4 0x4>; /* 16mA, 10mA, 10mA */
+	qcom,pad-drv-on = <0x4 0x4 0x4>; /* 10mA, 10mA, 10mA */
 	qcom,pad-drv-off = <0x0 0x0 0x0>; /* 2mA, 2mA, 2mA */
 
 	qcom,clk-rates = <400000 25000000 50000000 100000000 200000000>;
@@ -269,7 +269,7 @@
 		qcom,mode = <1>;		/* Digital output */
 		qcom,output-type = <0>;	/* CMOS logic */
 		qcom,pull = <5>;		/* QPNP_PIN_PULL_NO*/
-		qcom,vin-sel = <2>;		/* QPNP_PIN_VIN2 */
+		qcom,vin-sel = <3>;		/* QPNP_PIN_VIN3 */
 		qcom,out-strength = <3>;/* QPNP_PIN_OUT_STRENGTH_HIGH */
 		qcom,src-sel = <2>;		/* QPNP_PIN_SEL_FUNC_1 */
 		qcom,master-en = <1>;	/* Enable GPIO */
@@ -279,7 +279,7 @@
 		qcom,mode = <1>;
 		qcom,output-type = <0>;
 		qcom,pull = <5>;
-		qcom,vin-sel = <2>;
+		qcom,vin-sel = <3>;
 		qcom,out-strength = <3>;
 		qcom,src-sel = <2>;
 		qcom,master-en = <1>;
diff --git a/arch/arm/boot/dts/msm8226-sim.dts b/arch/arm/boot/dts/msm8226-sim.dts
index a86dc48..00c0e2e 100644
--- a/arch/arm/boot/dts/msm8226-sim.dts
+++ b/arch/arm/boot/dts/msm8226-sim.dts
@@ -36,7 +36,7 @@
 
 	qcom,pad-pull-on = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
 	qcom,pad-pull-off = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
-	qcom,pad-drv-on = <0x7 0x4 0x4>; /* 16mA, 10mA, 10mA */
+	qcom,pad-drv-on = <0x4 0x4 0x4>; /* 10mA, 10mA, 10mA */
 	qcom,pad-drv-off = <0x0 0x0 0x0>; /* 2mA, 2mA, 2mA */
 
 	vdd-supply = <&pm8226_l17>;
@@ -62,7 +62,7 @@
 
 	qcom,pad-pull-on = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
 	qcom,pad-pull-off = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
-	qcom,pad-drv-on = <0x7 0x4 0x4>; /* 16mA, 10mA, 10mA */
+	qcom,pad-drv-on = <0x4 0x4 0x4>; /* 10mA, 10mA, 10mA */
 	qcom,pad-drv-off = <0x0 0x0 0x0>; /* 2mA, 2mA, 2mA */
 
 	qcom,clk-rates = <400000 25000000 50000000 100000000 200000000>;
diff --git a/arch/arm/boot/dts/msm8226-smp2p.dtsi b/arch/arm/boot/dts/msm8226-smp2p.dtsi
index 91029e2..079e4ca 100644
--- a/arch/arm/boot/dts/msm8226-smp2p.dtsi
+++ b/arch/arm/boot/dts/msm8226-smp2p.dtsi
@@ -148,6 +148,29 @@
 		gpios = <&smp2pgpio_smp2p_2_out 0 0>;
 	};
 
+	/* SMP2P SSR Driver for inbound entry from lpass. */
+	smp2pgpio_ssr_smp2p_2_in: qcom,smp2pgpio-ssr-smp2p-2-in {
+		compatible = "qcom,smp2pgpio";
+		qcom,entry-name = "slave-kernel";
+		qcom,remote-pid = <2>;
+		qcom,is-inbound;
+		gpio-controller;
+		#gpio-cells = <2>;
+		interrupt-controller;
+		#interrupt-cells = <2>;
+	};
+
+	/* SMP2P SSR Driver for outbound entry to lpass */
+	smp2pgpio_ssr_smp2p_2_out: qcom,smp2pgpio-ssr-smp2p-2-out {
+		compatible = "qcom,smp2pgpio";
+		qcom,entry-name = "master-kernel";
+		qcom,remote-pid = <2>;
+		gpio-controller;
+		#gpio-cells = <2>;
+		interrupt-controller;
+		#interrupt-cells = <2>;
+	};
+
 	smp2pgpio_smp2p_4_in: qcom,smp2pgpio-smp2p-4-in {
 		compatible = "qcom,smp2pgpio";
 		qcom,entry-name = "smp2p";
diff --git a/arch/arm/boot/dts/msm8226.dtsi b/arch/arm/boot/dts/msm8226.dtsi
index cb2047f..aa03951 100644
--- a/arch/arm/boot/dts/msm8226.dtsi
+++ b/arch/arm/boot/dts/msm8226.dtsi
@@ -229,6 +229,8 @@
 		HSUSB_3p3-supply = <&pm8226_l20>;
 		qcom,vdd-voltage-level = <1 5 7>;
 
+		qcom,hsusb-otg-phy-init-seq =
+			<0x44 0x80 0x68 0x81 0x24 0x82 0x13 0x83 0xffffffff>;
 		qcom,hsusb-otg-phy-type = <2>;
 		qcom,hsusb-otg-mode = <1>;
 		qcom,hsusb-otg-otg-control = <2>;
@@ -755,6 +757,13 @@
 		interrupts = <0 162 1>;
 
 		qcom,firmware-name = "adsp";
+
+		/* GPIO inputs from lpass */
+		qcom,gpio-err-fatal = <&smp2pgpio_ssr_smp2p_2_in 0 0>;
+		qcom,gpio-proxy-unvote = <&smp2pgpio_ssr_smp2p_2_in 2 0>;
+
+		/* GPIO output to lpass */
+		qcom,gpio-force-stop = <&smp2pgpio_ssr_smp2p_2_out 0 0>;
 	};
 
 	qcom,mss@fc880000 {
@@ -788,7 +797,7 @@
 
 	qcom,msm-mem-hole {
 		compatible = "qcom,msm-mem-hole";
-		qcom,memblock-remove = <0x8400000 0x7b00000>; /* Address and Size of Hole */
+		qcom,memblock-remove = <0x6400000 0x9b00000>; /* Address and Size of Hole */
 	};
 
 	tsens: tsens@fc4a8000 {
@@ -908,6 +917,42 @@
 				<55 512 3936000 393600>,
 				<55 512 3936000 393600>;
 	};
+
+	qcom,qcrypto@fd404000 {
+		compatible = "qcom,qcrypto";
+                reg  =  <0xfd400000 0x20000>,
+                        <0xfd404000 0x8000>;
+		reg-names = "crypto-base","crypto-bam-base";
+		interrupts = <0 207 0>;
+		qcom,bam-pipe-pair = <2>;
+		qcom,ce-hw-instance = <0>;
+		qcom,ce-hw-shared;
+		qcom,msm-bus,name = "qcrypto-noc";
+		qcom,msm-bus,num-cases = <2>;
+		qcom,msm-bus,active-only = <0>;
+		qcom,msm-bus,num-paths = <1>;
+		qcom,msm-bus,vectors-KBps =
+				<56 512 0 0>,
+				<56 512 3936000 393600>;
+	};
+
+        qcom,qcedev@fd400000 {
+		compatible = "qcom,qcedev";
+		reg  =  <0xfd400000 0x20000>,
+			<0xfd404000 0x8000>;
+		reg-names = "crypto-base","crypto-bam-base";
+		interrupts = <0 207 0>;
+		qcom,bam-pipe-pair = <1>;
+		qcom,ce-hw-instance = <0>;
+		qcom,ce-hw-shared;
+		qcom,msm-bus,name = "qcedev-noc";
+		qcom,msm-bus,num-cases = <2>;
+		qcom,msm-bus,active-only = <0>;
+		qcom,msm-bus,num-paths = <1>;
+		qcom,msm-bus,vectors-KBps =
+				<56 512 0 0>,
+				<56 512 3936000 393600>;
+	};
 };
 
 &gdsc_venus {
diff --git a/arch/arm/boot/dts/msm8610-cdp.dts b/arch/arm/boot/dts/msm8610-cdp.dts
index 08da115..9b114cc 100644
--- a/arch/arm/boot/dts/msm8610-cdp.dts
+++ b/arch/arm/boot/dts/msm8610-cdp.dts
@@ -17,13 +17,32 @@
 / {
 	model = "Qualcomm MSM 8610 CDP";
 	compatible = "qcom,msm8610-cdp", "qcom,msm8610", "qcom,cdp";
-	qcom,msm-id = <147 1 0>, <165 1 0>;
+	qcom,msm-id = <147 1 0>, <165 1 0>, <161 1 0>, <162 1 0>,
+		      <163 1 0>, <164 1 0>, <166 1 0>;
 
 	serial@f991e000 {
 		status = "ok";
 	};
 };
 
+&spmi_bus {
+	qcom,pm8110@0 {
+		qcom,leds@a200 {
+			status = "okay";
+			qcom,led_mpp_3 {
+				label = "mpp";
+				linux,name = "wled-backlight";
+				linux-default-trigger = "none";
+				qcom,default-state = "on";
+				qcom,max-current = <40>;
+				qcom,id = <6>;
+				qcom,source-sel = <1>;
+				qcom,mode-ctrl = <0x10>;
+			};
+		};
+	};
+};
+
 &sdhc_1 {
 	vdd-supply = <&pm8110_l17>;
 	qcom,vdd-always-on;
@@ -79,3 +98,25 @@
 
 	status = "ok";
 };
+
+&pm8110_chg {
+	status = "ok";
+	qcom,charging-disabled;
+	qcom,use-default-batt-values;
+
+	qcom,chgr@1000 {
+		status = "ok";
+	};
+
+	qcom,buck@1100 {
+		status = "ok";
+	};
+
+	qcom,usb-chgpth@1300 {
+		status = "ok";
+	};
+
+	qcom,chg-misc@1600 {
+		status = "ok";
+	};
+};
diff --git a/arch/arm/boot/dts/msm8610-gpu.dtsi b/arch/arm/boot/dts/msm8610-gpu.dtsi
index 5e57430..5580f73 100644
--- a/arch/arm/boot/dts/msm8610-gpu.dtsi
+++ b/arch/arm/boot/dts/msm8610-gpu.dtsi
@@ -27,8 +27,9 @@
 		qcom,idle-timeout = <8>; /* <HZ/12> */
 		qcom,nap-allowed = <1>;
 		qcom,strtstp-sleepwake;
-		qcom,clk-map = <0x000001E>; /* KGSL_CLK_CORE |
-			KGSL_CLK_IFACE | KGSL_CLK_MEM | KGSL_CLK_MEM_IFACE */
+		qcom,clk-map = <0x000005E>; /* KGSL_CLK_CORE |
+			KGSL_CLK_IFACE | KGSL_CLK_MEM | KGSL_CLK_MEM_IFACE |
+			KGSL_CLK_ALT_MEM_IFACE */
 
 		/* Bus Scale Settings */
 		qcom,msm-bus,name = "grp3d";
diff --git a/arch/arm/boot/dts/msm8610-mtp.dts b/arch/arm/boot/dts/msm8610-mtp.dts
index e3eed72..3a26376 100644
--- a/arch/arm/boot/dts/msm8610-mtp.dts
+++ b/arch/arm/boot/dts/msm8610-mtp.dts
@@ -17,13 +17,32 @@
 / {
 	model = "Qualcomm MSM 8610 MTP";
 	compatible = "qcom,msm8610-mtp", "qcom,msm8610", "qcom,mtp";
-	qcom,msm-id = <147 8 0>, <165 8 0>;
+	qcom,msm-id = <147 8 0>, <165 8 0>, <161 8 0>, <162 8 0>,
+		      <163 8 0>, <164 8 0>, <166 8 0>;
 
-	serial@f991f000 {
+	serial@f991e000 {
 		status = "ok";
 	};
 };
 
+&spmi_bus {
+	qcom,pm8110@0 {
+		qcom,leds@a200 {
+			status = "okay";
+			qcom,led_mpp_3 {
+				label = "mpp";
+				linux,name = "wled-backlight";
+				linux-default-trigger = "none";
+				qcom,default-state = "on";
+				qcom,max-current = <40>;
+				qcom,id = <6>;
+				qcom,source-sel = <1>;
+				qcom,mode-ctrl = <0x10>;
+			};
+		};
+	};
+};
+
 &sdhc_1 {
 	vdd-supply = <&pm8110_l17>;
 	qcom,vdd-always-on;
@@ -79,3 +98,28 @@
 
 	status = "ok";
 };
+
+&pm8110_chg {
+	status = "ok";
+	qcom,charging-disabled;
+
+	qcom,chgr@1000 {
+		status = "ok";
+	};
+
+	qcom,buck@1100 {
+		status = "ok";
+	};
+
+	qcom,bat-if@1200 {
+		status = "ok";
+	};
+
+	qcom,usb-chgpth@1300 {
+		status = "ok";
+	};
+
+	qcom,chg-misc@1600 {
+		status = "ok";
+	};
+};
diff --git a/arch/arm/boot/dts/msm8610-regulator.dtsi b/arch/arm/boot/dts/msm8610-regulator.dtsi
index d50902c..67eee5c 100644
--- a/arch/arm/boot/dts/msm8610-regulator.dtsi
+++ b/arch/arm/boot/dts/msm8610-regulator.dtsi
@@ -10,19 +10,6 @@
  * GNU General Public License for more details.
  */
 
- /* Stub Regulators */
-
-/ {
-	pm8110_s1_corner: regulator-s1-corner {
-		compatible = "qcom,stub-regulator";
-		regulator-name = "8110_s1_corner";
-		qcom,hpm-min-load = <100000>;
-		regulator-min-microvolt = <1>;
-		regulator-max-microvolt = <7>;
-		qcom,consumer-supplies = "vdd_dig", "", "vdd_sr2_dig", "";
-	};
-};
-
 /* SPM controlled regulators */
 
 &spmi_bus {
@@ -60,195 +47,274 @@
 	};
 };
 
-/* QPNP controlled regulators: */
+/* RPM controlled regulators: */
 
-&spmi_bus {
+&rpm_bus {
 
-	qcom,pm8110@1 {
-
-		pm8110_s1: regulator@1400 {
+	rpm-regulator-smpa1 {
+		status = "okay";
+		pm8110_s1: regulator-s1 {
 			status = "okay";
-			regulator-min-microvolt = <1150000>;
-			regulator-max-microvolt = <1150000>;
-			qcom,enable-time = <500>;
-			qcom,system-load = <100000>;
-			regulator-always-on;
+			regulator-min-microvolt = <500000>;
+			regulator-max-microvolt = <1275000>;
 		};
 
-		pm8110_s3: regulator@1a00 {
-			status = "okay";
-			regulator-min-microvolt = <1350000>;
+		pm8110_s1_corner: regulator-s1-corner {
+			compatible = "qcom,rpm-regulator-smd";
+			regulator-name = "8110_s1_corner";
+			qcom,set = <3>;
+			regulator-min-microvolt = <1>;
+			regulator-max-microvolt = <7>;
+			qcom,use-voltage-corner;
+			qcom,consumer-supplies = "vdd_dig", "", "vdd_sr2_dig", "";
+		};
+
+		pm8110_s1_corner_ao: regulator-s1-corner-ao {
+			compatible = "qcom,rpm-regulator-smd";
+			regulator-name = "8110_s1_corner_ao";
+			qcom,set = <1>;
+			regulator-min-microvolt = <1>;
+			regulator-max-microvolt = <7>;
+			qcom,use-voltage-corner;
+		};
+	};
+
+	rpm-regulator-smpa3 {
+		status = "okay";
+		pm8110_s3: regulator-s3 {
+			regulator-min-microvolt = <1200000>;
 			regulator-max-microvolt = <1350000>;
-			qcom,enable-time = <500>;
-			qcom,system-load = <100000>;
-			regulator-always-on;
-		};
-
-		pm8110_s4: regulator@1d00 {
+			qcom,init-voltage = <1200000>;
 			status = "okay";
+		};
+	};
+
+	rpm-regulator-smpa4 {
+		status = "okay";
+		pm8110_s4: regulator-s4 {
 			regulator-min-microvolt = <2150000>;
 			regulator-max-microvolt = <2150000>;
-			qcom,enable-time = <500>;
-			qcom,system-load = <100000>;
-			regulator-always-on;
-		};
-
-		pm8110_l1: regulator@4000 {
+			qcom,init-voltage = <2150000>;
 			status = "okay";
-			parent-supply = <&pm8110_s3>;
+		};
+	};
+
+	rpm-regulator-ldoa1 {
+		status = "okay";
+		pm8110_l1: regulator-l1 {
 			regulator-min-microvolt = <1225000>;
 			regulator-max-microvolt = <1225000>;
-			qcom,enable-time = <200>;
-		};
-
-		pm8110_l2: regulator@4100 {
+			qcom,init-voltage = <1225000>;
 			status = "okay";
-			parent-supply = <&pm8110_s3>;
+		};
+	};
+
+	rpm-regulator-ldoa2 {
+		status = "okay";
+		pm8110_l2: regulator-l2 {
 			regulator-min-microvolt = <1200000>;
 			regulator-max-microvolt = <1200000>;
-			qcom,enable-time = <200>;
-			qcom,system-load = <10000>;
-			regulator-always-on;
+			qcom,init-voltage = <1200000>;
+			status = "okay";
+		};
+	};
+
+	rpm-regulator-ldoa3 {
+		status = "okay";
+		pm8110_l3: regulator-l3 {
+			regulator-min-microvolt = <750000>;
+			regulator-max-microvolt = <1275000>;
+			status = "okay";
 		};
 
-		pm8110_l3: regulator@4200 {
+		pm8110_l3_ao: regulator-l3-ao {
+			compatible = "qcom,rpm-regulator-smd";
+			regulator-name = "8110_l3_ao";
+			qcom,set = <1>;
+			regulator-min-microvolt = <750000>;
+			regulator-max-microvolt = <1275000>;
 			status = "okay";
-			parent-supply = <&pm8110_s3>;
-			regulator-min-microvolt = <1150000>;
-			regulator-max-microvolt = <1150000>;
-			qcom,enable-time = <200>;
-			qcom,system-load = <10000>;
-			regulator-always-on;
 		};
 
-		pm8110_l4: regulator@4300 {
+		pm8110_l3_so: regulator-l3-so {
+			compatible = "qcom,rpm-regulator-smd";
+			regulator-name = "8110_l3_so";
+			qcom,set = <2>;
+			regulator-min-microvolt = <750000>;
+			regulator-max-microvolt = <1275000>;
+			qcom,init-voltage = <750000>;
 			status = "okay";
-			parent-supply = <&pm8110_s3>;
+		};
+	};
+
+	rpm-regulator-ldoa4 {
+		status = "okay";
+		pm8110_l4: regulator-l4 {
 			regulator-min-microvolt = <1200000>;
 			regulator-max-microvolt = <1200000>;
-			qcom,enable-time = <200>;
-		};
-
-		pm8110_l5: regulator@4400 {
+			qcom,init-voltage = <1200000>;
 			status = "okay";
-			parent-supply = <&pm8110_s3>;
+		};
+	};
+
+	rpm-regulator-ldoa5 {
+		status = "okay";
+		pm8110_l5: regulator-l5 {
 			regulator-min-microvolt = <1300000>;
 			regulator-max-microvolt = <1300000>;
-			qcom,enable-time = <200>;
-		};
-
-		pm8110_l6: regulator@4500 {
+			qcom,init-voltage = <1300000>;
 			status = "okay";
-			parent-supply = <&pm8110_s4>;
+		};
+	};
+
+	rpm-regulator-ldoa6 {
+		status = "okay";
+		pm8110_l6: regulator-l6 {
 			regulator-min-microvolt = <1800000>;
 			regulator-max-microvolt = <1800000>;
-			qcom,enable-time = <200>;
-			qcom,system-load = <10000>;
-			regulator-always-on;
-		};
-
-		pm8110_l7: regulator@4600 {
+			qcom,init-voltage = <1800000>;
 			status = "okay";
-			parent-supply = <&pm8110_s4>;
+		};
+	};
+
+	rpm-regulator-ldoa7 {
+		status = "okay";
+		pm8110_l7: regulator-l7 {
 			regulator-min-microvolt = <2050000>;
 			regulator-max-microvolt = <2050000>;
-			qcom,enable-time = <200>;
-		};
-
-		pm8110_l8: regulator@4700 {
+			qcom,init-voltage = <2050000>;
 			status = "okay";
-			parent-supply = <&pm8110_s4>;
+		};
+	};
+
+	rpm-regulator-ldoa8 {
+		status = "okay";
+		pm8110_l8: regulator-l8 {
 			regulator-min-microvolt = <1800000>;
 			regulator-max-microvolt = <1800000>;
-			qcom,enable-time = <200>;
-		};
-
-		pm8110_l9: regulator@4800 {
+			qcom,init-voltage = <1800000>;
 			status = "okay";
-			parent-supply = <&pm8110_s4>;
+		};
+	};
+
+	rpm-regulator-ldoa9 {
+		status = "okay";
+		pm8110_l9: regulator-l9 {
 			regulator-min-microvolt = <2050000>;
 			regulator-max-microvolt = <2050000>;
-			qcom,enable-time = <200>;
-		};
-
-		pm8110_l10: regulator@4900 {
+			qcom,init-voltage = <2050000>;
 			status = "okay";
-			parent-supply = <&pm8110_s4>;
+		};
+	};
+
+	rpm-regulator-ldoa10 {
+		status = "okay";
+		pm8110_l10: regulator-l10 {
 			regulator-min-microvolt = <1800000>;
 			regulator-max-microvolt = <1800000>;
-			qcom,enable-time = <200>;
+			qcom,init-voltage = <1800000>;
+			status = "okay";
 			qcom,consumer-supplies = "vdd_sr2_pll", "";
 		};
+	};
 
-		pm8110_l12: regulator@4b00 {
-			status = "okay";
+	rpm-regulator-ldoa12 {
+		status = "okay";
+		pm8110_l12: regulator-l12 {
 			regulator-min-microvolt = <1800000>;
 			regulator-max-microvolt = <3300000>;
-			qcom,enable-time = <200>;
-		};
-
-		pm8110_l14: regulator@4d00 {
+			qcom,init-voltage = <3300000>;
 			status = "okay";
-			parent-supply = <&pm8110_s4>;
+		};
+	};
+
+	rpm-regulator-ldoa14 {
+		status = "okay";
+		pm8110_l14: regulator-l14 {
 			regulator-min-microvolt = <1800000>;
 			regulator-max-microvolt = <1800000>;
-			qcom,enable-time = <200>;
-		};
-
-		pm8110_l15: regulator@4e00 {
+			qcom,init-voltage = <1800000>;
 			status = "okay";
+		};
+	};
+
+	rpm-regulator-ldoa15 {
+		status = "okay";
+		pm8110_l15: regulator-l15 {
 			regulator-min-microvolt = <1800000>;
 			regulator-max-microvolt = <3300000>;
-			qcom,enable-time = <200>;
-		};
-
-		pm8110_l16: regulator@4f00 {
+			qcom,init-voltage = <3300000>;
 			status = "okay";
+		};
+	};
+
+	rpm-regulator-ldoa16 {
+		status = "okay";
+		pm8110_l16: regulator-l16 {
 			regulator-min-microvolt = <3000000>;
 			regulator-max-microvolt = <3000000>;
-			qcom,enable-time = <200>;
-		};
-
-		pm8110_l17: regulator@5000 {
+			qcom,init-voltage = <3000000>;
 			status = "okay";
+		};
+	};
+
+	rpm-regulator-ldoa17 {
+		status = "okay";
+		pm8110_l17: regulator-l17 {
 			regulator-min-microvolt = <2900000>;
 			regulator-max-microvolt = <2900000>;
-			qcom,enable-time = <200>;
-		};
-
-		pm8110_l18: regulator@5100 {
+			qcom,init-voltage = <2900000>;
 			status = "okay";
+		};
+	};
+
+	rpm-regulator-ldoa18 {
+		status = "okay";
+		pm8110_l18: regulator-l18 {
 			regulator-min-microvolt = <1800000>;
 			regulator-max-microvolt = <2950000>;
-			qcom,enable-time = <200>;
-		};
-
-		pm8110_l19: regulator@5200 {
+			qcom,init-voltage = <2950000>;
 			status = "okay";
+		};
+	};
+
+	rpm-regulator-ldoa19 {
+		status = "okay";
+		pm8110_l19: regulator-l19 {
 			regulator-min-microvolt = <2850000>;
 			regulator-max-microvolt = <2850000>;
-			qcom,enable-time = <200>;
-		};
-
-		pm8110_l20: regulator@5300 {
+			qcom,init-voltage = <2850000>;
 			status = "okay";
+		};
+	};
+
+	rpm-regulator-ldoa20 {
+		status = "okay";
+		pm8110_l20: regulator-l20 {
 			regulator-min-microvolt = <3075000>;
 			regulator-max-microvolt = <3075000>;
-			qcom,enable-time = <200>;
-		};
-
-		pm8110_l21: regulator@5400 {
+			qcom,init-voltage = <3075000>;
 			status = "okay";
+		};
+	};
+
+	rpm-regulator-ldoa21 {
+		status = "okay";
+		pm8110_l21: regulator-l21 {
 			regulator-min-microvolt = <1800000>;
 			regulator-max-microvolt = <2950000>;
-			qcom,enable-time = <200>;
-		};
-
-		pm8110_l22: regulator@5500 {
+			qcom,init-voltage = <2950000>;
 			status = "okay";
+		};
+	};
+
+	rpm-regulator-ldoa22 {
+		status = "okay";
+		pm8110_l22: regulator-l22 {
 			regulator-min-microvolt = <1800000>;
 			regulator-max-microvolt = <3300000>;
-			qcom,enable-time = <200>;
+			qcom,init-voltage = <3300000>;
+			status = "okay";
 		};
 	};
 };
diff --git a/arch/arm/boot/dts/msm8610-smp2p.dtsi b/arch/arm/boot/dts/msm8610-smp2p.dtsi
index 91029e2..079e4ca 100644
--- a/arch/arm/boot/dts/msm8610-smp2p.dtsi
+++ b/arch/arm/boot/dts/msm8610-smp2p.dtsi
@@ -148,6 +148,29 @@
 		gpios = <&smp2pgpio_smp2p_2_out 0 0>;
 	};
 
+	/* SMP2P SSR Driver for inbound entry from lpass. */
+	smp2pgpio_ssr_smp2p_2_in: qcom,smp2pgpio-ssr-smp2p-2-in {
+		compatible = "qcom,smp2pgpio";
+		qcom,entry-name = "slave-kernel";
+		qcom,remote-pid = <2>;
+		qcom,is-inbound;
+		gpio-controller;
+		#gpio-cells = <2>;
+		interrupt-controller;
+		#interrupt-cells = <2>;
+	};
+
+	/* SMP2P SSR Driver for outbound entry to lpass */
+	smp2pgpio_ssr_smp2p_2_out: qcom,smp2pgpio-ssr-smp2p-2-out {
+		compatible = "qcom,smp2pgpio";
+		qcom,entry-name = "master-kernel";
+		qcom,remote-pid = <2>;
+		gpio-controller;
+		#gpio-cells = <2>;
+		interrupt-controller;
+		#interrupt-cells = <2>;
+	};
+
 	smp2pgpio_smp2p_4_in: qcom,smp2pgpio-smp2p-4-in {
 		compatible = "qcom,smp2pgpio";
 		qcom,entry-name = "smp2p";
diff --git a/arch/arm/boot/dts/msm8610.dtsi b/arch/arm/boot/dts/msm8610.dtsi
index 0df70df..b794dc7 100644
--- a/arch/arm/boot/dts/msm8610.dtsi
+++ b/arch/arm/boot/dts/msm8610.dtsi
@@ -233,7 +233,7 @@
 
 		qcom,pad-pull-on = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
 		qcom,pad-pull-off = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
-		qcom,pad-drv-on = <0x7 0x4 0x4>; /* 16mA, 10mA, 10mA */
+		qcom,pad-drv-on = <0x4 0x4 0x4>; /* 10mA, 10mA, 10mA */
 		qcom,pad-drv-off = <0x0 0x0 0x0>; /* 2mA, 2mA, 2mA */
 
 		qcom,clk-rates = <400000 25000000 50000000 100000000 200000000>;
@@ -265,7 +265,7 @@
 
 		qcom,pad-pull-on = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
 		qcom,pad-pull-off = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
-		qcom,pad-drv-on = <0x7 0x4 0x4>; /* 16mA, 10mA, 10mA */
+		qcom,pad-drv-on = <0x4 0x4 0x4>; /* 10mA, 10mA, 10mA */
 		qcom,pad-drv-off = <0x0 0x0 0x0>; /* 2mA, 2mA, 2mA */
 
 		qcom,clk-rates = <400000 25000000 50000000 100000000 200000000>;
@@ -401,7 +401,7 @@
 		reg = <0xf9011050 0x8>;
 		reg-names = "rcg_base";
 		a7_cpu-supply = <&apc_vreg_corner>;
-		a7_mem-supply = <&pm8110_l3>;
+		a7_mem-supply = <&pm8110_l3_ao>;
 	};
 
 	spmi_bus: qcom,spmi@fc4c0000 {
@@ -414,7 +414,6 @@
 		/* 190,ee0_krait_hlos_spmi_periph_irq */
 		/* 187,channel_0_krait_hlos_trans_done_irq */
 		interrupts = <0 190 0>, <0 187 0>;
-		qcom,not-wakeup;
 		qcom,pmic-arb-ee = <0>;
 		qcom,pmic-arb-channel = <0>;
 	};
@@ -585,8 +584,9 @@
 
 	qcom,wcnss-wlan@fb000000 {
 		compatible = "qcom,wcnss_wlan";
-		reg = <0xfb000000 0x280000>;
-		reg-names = "wcnss_mmio";
+		reg = <0xfb000000 0x280000>,
+			<0xf9011008 0x04>;
+		reg-names = "wcnss_mmio", "wcnss_fiq";
 		interrupts = <0 145 0>, <0 146 0>;
 		interrupt-names = "wcnss_wlantx_irq", "wcnss_wlanrx_irq";
 
@@ -639,6 +639,13 @@
 		interrupts = <0 162 1>;
 		vdd_cx-supply = <&pm8110_s1_corner>;
 		qcom,firmware-name = "adsp";
+
+		/* GPIO inputs from lpass */
+		qcom,gpio-err-fatal = <&smp2pgpio_ssr_smp2p_2_in 0 0>;
+		qcom,gpio-proxy-unvote = <&smp2pgpio_ssr_smp2p_2_in 2 0>;
+
+		/* GPIO output to lpass */
+		qcom,gpio-force-stop = <&smp2pgpio_ssr_smp2p_2_out 0 0>;
 	};
 
 	tsens: tsens@fc4a8000 {
@@ -693,6 +700,45 @@
 				<55 512 3936000 393600>,
 				<55 512 3936000 393600>;
 	};
+
+        qcom,msm-rng@f9bff000 {
+                compatible = "qcom,msm-rng";
+                reg = <0xf9bff000 0x200>;
+                qcom,msm-rng-iface-clk;
+        };
+
+	jtag_mm0: jtagmm@fc34c000 {
+		compatible = "qcom,jtag-mm";
+		reg = <0xfc34c000 0x1000>,
+		      <0xfc340000 0x1000>;
+		reg-names = "etm-base","debug-base";
+	};
+
+	jtag_mm1: jtagmm@fc34d000 {
+		compatible = "qcom,jtag-mm";
+		reg = <0xfc34d000 0x1000>,
+		      <0xfc342000 0x1000>;
+		reg-names = "etm-base","debug-base";
+	};
+
+	jtag_mm2: jtagmm@fc34e000 {
+		compatible = "qcom,jtag-mm";
+		reg = <0xfc34e000 0x1000>,
+		      <0xfc344000 0x1000>;
+		reg-names = "etm-base","debug-base";
+	};
+
+	jtag_mm3: jtagmm@fc34f000 {
+		compatible = "qcom,jtag-mm";
+		reg = <0xfc34f000 0x1000>,
+		      <0xfc346000 0x1000>;
+		reg-names = "etm-base","debug-base";
+	};
+
+	qcom,tz-log@fe805720 {
+		compatible = "qcom,tz-log";
+		reg = <0x0fe805720 0x1000>;
+	};
 };
 
 &gdsc_vfe {
@@ -729,6 +775,7 @@
 
 /include/ "msm8610-iommu-domains.dtsi"
 
+/include/ "msm-pm8110-rpm-regulator.dtsi"
 /include/ "msm-pm8110.dtsi"
 /include/ "msm8610-regulator.dtsi"
 
diff --git a/arch/arm/boot/dts/msm8974-bus.dtsi b/arch/arm/boot/dts/msm8974-bus.dtsi
index bb4b48e..3e0ef04 100644
--- a/arch/arm/boot/dts/msm8974-bus.dtsi
+++ b/arch/arm/boot/dts/msm8974-bus.dtsi
@@ -1349,30 +1349,18 @@
 			qcom,hw-sel = "NoC";
 		};
 
-		mas-video-p0-ocmem {
+		mas-video-ocmem {
 			cell-id = <68>;
-			label = "mas-video-p0-ocmem";
-			qcom,masterp = <3>;
+			label = "mas-video-ocmem";
+			qcom,masterp = <3 4>;
 			qcom,tier = <2>;
 			qcom,perm-mode = "Fixed";
 			qcom,mode = "Fixed";
-			qcom,qport = <2>;
+			qcom,qport = <2 3>;
 			qcom,mas-hw-id = <15>;
 			qcom,hw-sel = "NoC";
 		};
 
-		mas-video-p1-ocmem {
-			cell-id = <69>;
-			label = "mas-video-p1-ocmem";
-			qcom,masterp = <4>;
-			qcom,tier = <2>;
-			qcom,perm-mode = "Fixed";
-			qcom,mode = "Fixed";
-			qcom,qport = <3>;
-			qcom,mas-hw-id = <16>;
-			qcom,hw-sel = "NoC";
-		};
-
 		mas-vfe-ocmem {
 			cell-id = <70>;
 			label = "mas-vfe-ocmem";
diff --git a/arch/arm/boot/dts/msm8974-camera-sensor-cdp.dtsi b/arch/arm/boot/dts/msm8974-camera-sensor-cdp.dtsi
index df0db7e..b574a31 100644
--- a/arch/arm/boot/dts/msm8974-camera-sensor-cdp.dtsi
+++ b/arch/arm/boot/dts/msm8974-camera-sensor-cdp.dtsi
@@ -111,7 +111,7 @@
 		reg = <0x6c 0x0>;
 		qcom,slave-id = <0x6c 0x300A 0x2720>;
 		qcom,csiphy-sd-index = <2>;
-		qcom,csid-sd-index = <0>;
+		qcom,csid-sd-index = <2>;
 		qcom,mount-angle = <90>;
 		qcom,sensor-name = "ov2720";
 		cam_vdig-supply = <&pm8941_l3>;
diff --git a/arch/arm/boot/dts/msm8974-camera-sensor-fluid.dtsi b/arch/arm/boot/dts/msm8974-camera-sensor-fluid.dtsi
index f58c1e2..748d5f7 100644
--- a/arch/arm/boot/dts/msm8974-camera-sensor-fluid.dtsi
+++ b/arch/arm/boot/dts/msm8974-camera-sensor-fluid.dtsi
@@ -112,7 +112,7 @@
 		reg = <0x6c>;
 		qcom,slave-id = <0x6c 0x300A 0x2720>;
 		qcom,csiphy-sd-index = <2>;
-		qcom,csid-sd-index = <0>;
+		qcom,csid-sd-index = <2>;
 		qcom,mount-angle = <90>;
 		qcom,sensor-name = "ov2720";
 		cam_vdig-supply = <&pm8941_l3>;
diff --git a/arch/arm/boot/dts/msm8974-camera-sensor-mtp.dtsi b/arch/arm/boot/dts/msm8974-camera-sensor-mtp.dtsi
index 767a705..53f6e9e 100644
--- a/arch/arm/boot/dts/msm8974-camera-sensor-mtp.dtsi
+++ b/arch/arm/boot/dts/msm8974-camera-sensor-mtp.dtsi
@@ -113,7 +113,7 @@
 		reg = <0x6c>;
 		qcom,slave-id = <0x6c 0x300A 0x2720>;
 		qcom,csiphy-sd-index = <2>;
-		qcom,csid-sd-index = <0>;
+		qcom,csid-sd-index = <2>;
 		qcom,mount-angle = <90>;
 		qcom,sensor-name = "ov2720";
 		cam_vdig-supply = <&pm8941_l3>;
diff --git a/arch/arm/boot/dts/msm8974-camera.dtsi b/arch/arm/boot/dts/msm8974-camera.dtsi
index 3a78a15..94a28f7 100644
--- a/arch/arm/boot/dts/msm8974-camera.dtsi
+++ b/arch/arm/boot/dts/msm8974-camera.dtsi
@@ -23,8 +23,9 @@
 	qcom,csiphy@fda0ac00 {
 		cell-index = <0>;
 		compatible = "qcom,csiphy";
-		reg = <0xfda0ac00 0x200>;
-		reg-names = "csiphy";
+		reg = <0xfda0ac00 0x200>,
+                      <0xfda00030 0x4>;
+		reg-names = "csiphy", "csiphy_clk_mux";
 		interrupts = <0 78 0>;
 		interrupt-names = "csiphy";
 	};
@@ -32,8 +33,9 @@
 	qcom,csiphy@fda0b000 {
 		cell-index = <1>;
 		compatible = "qcom,csiphy";
-		reg = <0xfda0b000 0x200>;
-		reg-names = "csiphy";
+		reg = <0xfda0b000 0x200>,
+                      <0xfda00038 0x4>;
+		reg-names = "csiphy", "csiphy_clk_mux";
 		interrupts = <0 79 0>;
 		interrupt-names = "csiphy";
 	};
@@ -41,8 +43,9 @@
 	qcom,csiphy@fda0b400 {
 		cell-index = <2>;
 		compatible = "qcom,csiphy";
-		reg = <0xfda0b400 0x200>;
-		reg-names = "csiphy";
+		reg = <0xfda0b400 0x200>,
+                      <0xfda00040 0x4>;
+		reg-names = "csiphy", "csiphy_clk_mux";
 		interrupts = <0 80 0>;
 		interrupt-names = "csiphy";
 	};
@@ -94,8 +97,9 @@
 	qcom,ispif@fda0A000 {
 		cell-index = <0>;
 		compatible = "qcom,ispif";
-		reg = <0xfda0A000 0x500>;
-		reg-names = "ispif";
+		reg = <0xfda0A000 0x500>,
+                      <0xfda00020 0x10>;
+		reg-names = "ispif", "csi_clk_mux";
 		interrupts = <0 55 0>;
 		interrupt-names = "ispif";
 	};
diff --git a/arch/arm/boot/dts/msm8974-cdp.dtsi b/arch/arm/boot/dts/msm8974-cdp.dtsi
index 0319128..9cfc5fd 100644
--- a/arch/arm/boot/dts/msm8974-cdp.dtsi
+++ b/arch/arm/boot/dts/msm8974-cdp.dtsi
@@ -344,7 +344,7 @@
 
 	qcom,pad-pull-on = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
 	qcom,pad-pull-off = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
-	qcom,pad-drv-on = <0x7 0x4 0x4>; /* 16mA, 10mA, 10mA */
+	qcom,pad-drv-on = <0x4 0x4 0x4>; /* 10mA, 10mA, 10mA */
 	qcom,pad-drv-off = <0x0 0x0 0x0>; /* 2mA, 2mA, 2mA */
 
 	qcom,nonremovable;
@@ -374,11 +374,31 @@
 
 	qcom,pad-pull-on = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
 	qcom,pad-pull-off = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
-	qcom,pad-drv-on = <0x7 0x4 0x4>; /* 16mA, 10mA, 10mA */
+	qcom,pad-drv-on = <0x4 0x4 0x4>; /* 10mA, 10mA, 10mA */
 	qcom,pad-drv-off = <0x0 0x0 0x0>; /* 2mA, 2mA, 2mA */
 	status = "ok";
 };
 
+/* Drive strength recommendations for clock line from hardware team is 10 mA.
+ * But since the driver has been been using the below values from the start
+ * without any problems, continue to use those.
+ */
+&sdcc1 {
+	qcom,pad-drv-on = <0x7 0x4 0x4>; /* 16mA, 10mA, 10mA */
+};
+
+&sdcc2 {
+	qcom,pad-drv-on = <0x7 0x4 0x4>; /* 16mA, 10mA, 10mA */
+};
+
+&sdhc_1 {
+	qcom,pad-drv-on = <0x7 0x4 0x4>; /* 16mA, 10mA, 10mA */
+};
+
+&sdhc_2 {
+	qcom,pad-drv-on = <0x7 0x4 0x4>; /* 16mA, 10mA, 10mA */
+};
+
 &uart7 {
 	status = "ok";
 	qcom,tx-gpio = <&msmgpio 41 0x00>;
@@ -690,5 +710,12 @@
 		qcom,cdc-micbias1-ext-cap;
 		qcom,cdc-micbias3-ext-cap;
 		qcom,cdc-micbias4-ext-cap;
+
+		/* If boot isn't available, vph_pwr_vreg can be used instead */
+		cdc-vdd-spkdrv-supply = <&pm8941_boost>;
+		qcom,cdc-vdd-spkdrv-voltage = <5000000 5000000>;
+		qcom,cdc-vdd-spkdrv-current = <1250000>;
+
+		qcom,cdc-on-demand-supplies = "cdc-vdd-spkdrv";
 	};
 };
diff --git a/arch/arm/boot/dts/msm8974-fluid.dtsi b/arch/arm/boot/dts/msm8974-fluid.dtsi
index 79e6371..e54c3d8 100644
--- a/arch/arm/boot/dts/msm8974-fluid.dtsi
+++ b/arch/arm/boot/dts/msm8974-fluid.dtsi
@@ -212,6 +212,13 @@
 		qcom,cdc-micbias2-ext-cap;
 		qcom,cdc-micbias3-ext-cap;
 		qcom,cdc-micbias4-ext-cap;
+
+		/* If boot isn't available, vph_pwr_vreg can be used instead */
+		cdc-vdd-spkdrv-supply = <&pm8941_boost>;
+		qcom,cdc-vdd-spkdrv-voltage = <5000000 5000000>;
+		qcom,cdc-vdd-spkdrv-current = <1250000>;
+
+		qcom,cdc-on-demand-supplies = "cdc-vdd-spkdrv";
 	};
 };
 
@@ -308,7 +315,7 @@
 
 	qcom,pad-pull-on = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
 	qcom,pad-pull-off = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
-	qcom,pad-drv-on = <0x7 0x4 0x4>; /* 16mA, 10mA, 10mA */
+	qcom,pad-drv-on = <0x4 0x4 0x4>; /* 10mA, 10mA, 10mA */
 	qcom,pad-drv-off = <0x0 0x0 0x0>; /* 2mA, 2mA, 2mA */
 
 	qcom,nonremovable;
@@ -338,11 +345,31 @@
 
 	qcom,pad-pull-on = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
 	qcom,pad-pull-off = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
-	qcom,pad-drv-on = <0x7 0x4 0x4>; /* 16mA, 10mA, 10mA */
+	qcom,pad-drv-on = <0x4 0x4 0x4>; /* 10mA, 10mA, 10mA */
 	qcom,pad-drv-off = <0x0 0x0 0x0>; /* 2mA, 2mA, 2mA */
 	status = "ok";
 };
 
+/* Drive strength recommendations for clock line from hardware team is 10 mA.
+ * But since the driver has been been using the below values from the start
+ * without any problems, continue to use those.
+ */
+&sdcc1 {
+	qcom,pad-drv-on = <0x7 0x4 0x4>; /* 16mA, 10mA, 10mA */
+};
+
+&sdcc2 {
+	qcom,pad-drv-on = <0x7 0x4 0x4>; /* 16mA, 10mA, 10mA */
+};
+
+&sdhc_1 {
+	qcom,pad-drv-on = <0x7 0x4 0x4>; /* 16mA, 10mA, 10mA */
+};
+
+&sdhc_2 {
+	qcom,pad-drv-on = <0x7 0x4 0x4>; /* 16mA, 10mA, 10mA */
+};
+
 &usb3 {
 	qcom,otg-capability;
 };
@@ -353,7 +380,7 @@
 
 &pm8941_chg {
 	status = "ok";
-	qcom,chg-charging-disabled;
+	qcom,charging-disabled;
 
 	qcom,chgr@1000 {
 		status = "ok";
diff --git a/arch/arm/boot/dts/msm8974-liquid.dtsi b/arch/arm/boot/dts/msm8974-liquid.dtsi
index be890b1..d8a090b 100644
--- a/arch/arm/boot/dts/msm8974-liquid.dtsi
+++ b/arch/arm/boot/dts/msm8974-liquid.dtsi
@@ -318,6 +318,7 @@
 			"Lineout_3 amp", "LINEOUT3",
 			"Lineout_2 amp", "LINEOUT2",
 			"Lineout_4 amp", "LINEOUT4",
+			"SPK_ultrasound amp", "SPK_OUT",
 			"AMIC1", "MIC BIAS4 External",
 			"MIC BIAS4 External", "Analog Mic4",
 			"AMIC2", "MIC BIAS2 External",
@@ -346,7 +347,14 @@
 		qcom,ext-spk-amp-supply = <&ext_5v>;
 		qcom,ext-spk-amp-gpio = <&pm8841_mpps 1 0>;
 		qcom,dock-plug-det-irq = <&pm8841_mpps 2 0>;
+		qcom,ext-ult-spk-amp-gpio = <&pm8941_gpios 6 0>;
 		qcom,hdmi-audio-rx;
+
+		qcom,prim-auxpcm-gpio-clk  = <&msmgpio 74 0>;
+		qcom,prim-auxpcm-gpio-sync = <&msmgpio 75 0>;
+		qcom,prim-auxpcm-gpio-din  = <&msmgpio 76 0>;
+		qcom,prim-auxpcm-gpio-dout = <&msmgpio 77 0>;
+		qcom,prim-auxpcm-gpio-set = "prim-gpio-tert";
 	};
 
 	hsic_hub {
@@ -443,6 +451,14 @@
 	};
 
 	gpio@c500 { /* GPIO 6 */
+		/* ULTRASOUND_EN_1 PA AB enable */
+		qcom,mode = <1>; /* DIG_OUT */
+		qcom,output-type = <0>; /* CMOS */
+		qcom,pull = <4>; /* PULL_DOWN */
+		qcom,vin-sel = <0>; /* VPH */
+		qcom,out-strength = <2>; /* STRENGTH_MED */
+		qcom,src-sel = <0>; /* CONSTANT */
+		qcom,master-en = <1>;
 	};
 
 	gpio@c600 { /* GPIO 7 */
@@ -695,10 +711,24 @@
 	};
 };
 
+&vph_pwr_vreg {
+	status = "ok";
+};
+
 &slim_msm {
 	taiko_codec {
 		qcom,cdc-micbias2-ext-cap;
 		qcom,cdc-micbias3-ext-cap;
+
+		/*
+		 * Liquid has external spkrdrv supply. Give a dummy supply to
+		 * make codec driver's happy.
+		 */
+		cdc-vdd-spkdrv-supply = <&vph_pwr_vreg>;
+		qcom,cdc-vdd-spkdrv-voltage = <0 0>;
+		qcom,cdc-vdd-spkdrv-current = <0>;
+
+		qcom,cdc-on-demand-supplies = "cdc-vdd-spkdrv";
 	};
 };
 
@@ -786,7 +816,7 @@
 
 	qcom,pad-pull-on = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
 	qcom,pad-pull-off = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
-	qcom,pad-drv-on = <0x7 0x4 0x4>; /* 16mA, 10mA, 10mA */
+	qcom,pad-drv-on = <0x4 0x4 0x4>; /* 10mA, 10mA, 10mA */
 	qcom,pad-drv-off = <0x0 0x0 0x0>; /* 2mA, 2mA, 2mA */
 
 	qcom,nonremovable;
@@ -805,7 +835,27 @@
 
 	qcom,pad-pull-on = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
 	qcom,pad-pull-off = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
-	qcom,pad-drv-on = <0x7 0x4 0x4>; /* 16mA, 10mA, 10mA */
+	qcom,pad-drv-on = <0x4 0x4 0x4>; /* 10mA, 10mA, 10mA */
 	qcom,pad-drv-off = <0x0 0x0 0x0>; /* 2mA, 2mA, 2mA */
 	status = "ok";
 };
+
+/* Drive strength recommendations for clock line from hardware team is 10 mA.
+ * But since the driver has been been using the below values from the start
+ * without any problems, continue to use those.
+ */
+&sdcc1 {
+	qcom,pad-drv-on = <0x7 0x4 0x4>; /* 16mA, 10mA, 10mA */
+};
+
+&sdcc2 {
+	qcom,pad-drv-on = <0x7 0x4 0x4>; /* 16mA, 10mA, 10mA */
+};
+
+&sdhc_1 {
+	qcom,pad-drv-on = <0x7 0x4 0x4>; /* 16mA, 10mA, 10mA */
+};
+
+&sdhc_2 {
+	qcom,pad-drv-on = <0x7 0x4 0x4>; /* 16mA, 10mA, 10mA */
+};
diff --git a/arch/arm/boot/dts/msm8974-mtp.dtsi b/arch/arm/boot/dts/msm8974-mtp.dtsi
index cd83668..ca5f663 100644
--- a/arch/arm/boot/dts/msm8974-mtp.dtsi
+++ b/arch/arm/boot/dts/msm8974-mtp.dtsi
@@ -283,7 +283,7 @@
 
 	qcom,pad-pull-on = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
 	qcom,pad-pull-off = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
-	qcom,pad-drv-on = <0x7 0x4 0x4>; /* 16mA, 10mA, 10mA */
+	qcom,pad-drv-on = <0x4 0x4 0x4>; /* 10mA, 10mA, 10mA */
 	qcom,pad-drv-off = <0x0 0x0 0x0>; /* 2mA, 2mA, 2mA */
 
 	qcom,nonremovable;
@@ -313,11 +313,31 @@
 
 	qcom,pad-pull-on = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
 	qcom,pad-pull-off = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
-	qcom,pad-drv-on = <0x7 0x4 0x4>; /* 16mA, 10mA, 10mA */
+	qcom,pad-drv-on = <0x4 0x4 0x4>; /* 10mA, 10mA, 10mA */
 	qcom,pad-drv-off = <0x0 0x0 0x0>; /* 2mA, 2mA, 2mA */
 	status = "ok";
 };
 
+/* Drive strength recommendations for clock line from hardware team is 10 mA.
+ * But since the driver has been been using the below values from the start
+ * without any problems, continue to use those.
+ */
+&sdcc1 {
+	qcom,pad-drv-on = <0x7 0x4 0x4>; /* 16mA, 10mA, 10mA */
+};
+
+&sdcc2 {
+	qcom,pad-drv-on = <0x7 0x4 0x4>; /* 16mA, 10mA, 10mA */
+};
+
+&sdhc_1 {
+	qcom,pad-drv-on = <0x7 0x4 0x4>; /* 16mA, 10mA, 10mA */
+};
+
+&sdhc_2 {
+	qcom,pad-drv-on = <0x7 0x4 0x4>; /* 16mA, 10mA, 10mA */
+};
+
 &usb_otg {
 	qcom,hsusb-otg-otg-control = <2>;
 };
@@ -336,7 +356,7 @@
 
 &pm8941_chg {
 	status = "ok";
-	qcom,chg-charging-disabled;
+	qcom,charging-disabled;
 
 	qcom,chgr@1000 {
 		status = "ok";
diff --git a/arch/arm/boot/dts/msm8974-regulator.dtsi b/arch/arm/boot/dts/msm8974-regulator.dtsi
index 49450f3..d1b3334 100644
--- a/arch/arm/boot/dts/msm8974-regulator.dtsi
+++ b/arch/arm/boot/dts/msm8974-regulator.dtsi
@@ -26,15 +26,33 @@
 
 		pm8941_mvs1: regulator@8300 {
 			parent-supply = <&pm8941_boost>;
-			qcom,enable-time = <200>;
+			qcom,enable-time = <1000>;
 			qcom,pull-down-enable = <1>;
+			interrupts = <0x1 0x83 0x2>;
+			interrupt-names = "ocp";
+			qcom,ocp-enable = <1>;
+			qcom,ocp-max-retries = <10>;
+			qcom,ocp-retry-delay = <30>;
+			qcom,soft-start-enable = <1>;
+			qcom,vs-soft-start-strength = <0>;
+			qcom,hpm-enable = <1>;
+			qcom,auto-mode-enable = <0>;
 			status = "okay";
 		};
 
 		pm8941_mvs2: regulator@8400 {
 			parent-supply = <&pm8941_boost>;
-			qcom,enable-time = <200>;
+			qcom,enable-time = <1000>;
 			qcom,pull-down-enable = <1>;
+			interrupts = <0x1 0x84 0x2>;
+			interrupt-names = "ocp";
+			qcom,ocp-enable = <1>;
+			qcom,ocp-max-retries = <10>;
+			qcom,ocp-retry-delay = <30>;
+			qcom,soft-start-enable = <1>;
+			qcom,vs-soft-start-strength = <0>;
+			qcom,hpm-enable = <1>;
+			qcom,auto-mode-enable = <0>;
 			status = "okay";
 		};
 	};
@@ -448,7 +466,7 @@
 		#address-cells = <1>;
 		#size-cells = <1>;
 		ranges;
-		qcom,pfm-threshold = <376975>;
+		qcom,pfm-threshold = <73>;
 
 		krait0_vreg: regulator@f9088000 {
 			compatible = "qcom,krait-regulator";
diff --git a/arch/arm/boot/dts/msm8974-smp2p.dtsi b/arch/arm/boot/dts/msm8974-smp2p.dtsi
index 91029e2..079e4ca 100644
--- a/arch/arm/boot/dts/msm8974-smp2p.dtsi
+++ b/arch/arm/boot/dts/msm8974-smp2p.dtsi
@@ -148,6 +148,29 @@
 		gpios = <&smp2pgpio_smp2p_2_out 0 0>;
 	};
 
+	/* SMP2P SSR Driver for inbound entry from lpass. */
+	smp2pgpio_ssr_smp2p_2_in: qcom,smp2pgpio-ssr-smp2p-2-in {
+		compatible = "qcom,smp2pgpio";
+		qcom,entry-name = "slave-kernel";
+		qcom,remote-pid = <2>;
+		qcom,is-inbound;
+		gpio-controller;
+		#gpio-cells = <2>;
+		interrupt-controller;
+		#interrupt-cells = <2>;
+	};
+
+	/* SMP2P SSR Driver for outbound entry to lpass */
+	smp2pgpio_ssr_smp2p_2_out: qcom,smp2pgpio-ssr-smp2p-2-out {
+		compatible = "qcom,smp2pgpio";
+		qcom,entry-name = "master-kernel";
+		qcom,remote-pid = <2>;
+		gpio-controller;
+		#gpio-cells = <2>;
+		interrupt-controller;
+		#interrupt-cells = <2>;
+	};
+
 	smp2pgpio_smp2p_4_in: qcom,smp2pgpio-smp2p-4-in {
 		compatible = "qcom,smp2pgpio";
 		qcom,entry-name = "smp2p";
diff --git a/arch/arm/boot/dts/msm8974-v1-pm.dtsi b/arch/arm/boot/dts/msm8974-v1-pm.dtsi
index ec6b14a..f9c0920 100644
--- a/arch/arm/boot/dts/msm8974-v1-pm.dtsi
+++ b/arch/arm/boot/dts/msm8974-v1-pm.dtsi
@@ -142,7 +142,7 @@
 			qcom,type = <0x62706d73>;	/* "smpb" */
 			qcom,id = <0x02>;
 			qcom,key = <0x6e726f63>;	/* "corn" */
-			qcom,init-value = <5>;		/* Super Turbo */
+			qcom,init-value = <6>;		/* Super Turbo */
 		};
 
 		qcom,lpm-resources@1 {
diff --git a/arch/arm/boot/dts/msm8974-v2-pm.dtsi b/arch/arm/boot/dts/msm8974-v2-pm.dtsi
index 41837c1..5a1c047 100644
--- a/arch/arm/boot/dts/msm8974-v2-pm.dtsi
+++ b/arch/arm/boot/dts/msm8974-v2-pm.dtsi
@@ -142,7 +142,7 @@
 			qcom,type = <0x62706d73>;	/* "smpb" */
 			qcom,id = <0x02>;
 			qcom,key = <0x6e726f63>;	/* "corn" */
-			qcom,init-value = <5>;		/* Super Turbo */
+			qcom,init-value = <6>;		/* Super Turbo */
 		};
 
 		qcom,lpm-resources@1 {
diff --git a/arch/arm/boot/dts/msm8974-v2.dtsi b/arch/arm/boot/dts/msm8974-v2.dtsi
index 777d26c..494b12c 100644
--- a/arch/arm/boot/dts/msm8974-v2.dtsi
+++ b/arch/arm/boot/dts/msm8974-v2.dtsi
@@ -63,6 +63,8 @@
 	qcom,mdss-intf-off = <0x00012500 0x00012700
 			      0x00012900 0x00012b00>;
 	qcom,mdss-pingpong-off = <0x00012D00 0x00012E00 0x00012F00>;
+	qcom,mdss-has-bwc;
+	qcom,mdss-has-decimation;
 };
 
 &mdss_hdmi_tx {
diff --git a/arch/arm/boot/dts/msm8974.dtsi b/arch/arm/boot/dts/msm8974.dtsi
index 9f11839..f787cf5 100644
--- a/arch/arm/boot/dts/msm8974.dtsi
+++ b/arch/arm/boot/dts/msm8974.dtsi
@@ -38,7 +38,7 @@
 
 		secure_mem: secure_region {
 			linux,contiguous-region;
-			reg = <0 0x7800000>;
+			reg = <0 0xFC00000>;
 			label = "secure_mem";
 		};
 
@@ -246,7 +246,7 @@
 
 		qcom,pad-pull-on = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
 		qcom,pad-pull-off = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
-		qcom,pad-drv-on = <0x7 0x4 0x4>; /* 16mA, 10mA, 10mA */
+		qcom,pad-drv-on = <0x4 0x4 0x4>; /* 10mA, 10mA, 10mA */
 		qcom,pad-drv-off = <0x0 0x0 0x0>; /* 2mA, 2mA, 2mA */
 
 		qcom,clk-rates = <400000 20000000 25000000 50000000 100000000 200000000>;
@@ -291,7 +291,7 @@
 
 		qcom,pad-pull-on = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
 		qcom,pad-pull-off = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
-		qcom,pad-drv-on = <0x7 0x4 0x4>; /* 16mA, 10mA, 10mA */
+		qcom,pad-drv-on = <0x4 0x4 0x4>; /* 10mA, 10mA, 10mA */
 		qcom,pad-drv-off = <0x0 0x0 0x0>; /* 2mA, 2mA, 2mA */
 
 		qcom,clk-rates = <400000 20000000 25000000 50000000 100000000 200000000>;
@@ -691,6 +691,7 @@
 		qcom,prim-auxpcm-gpio-sync = <&msmgpio 66 0>;
 		qcom,prim-auxpcm-gpio-din  = <&msmgpio 67 0>;
 		qcom,prim-auxpcm-gpio-dout = <&msmgpio 68 0>;
+		qcom,prim-auxpcm-gpio-set = "prim-gpio-prim";
 		qcom,sec-auxpcm-gpio-clk  = <&msmgpio 79 0>;
 		qcom,sec-auxpcm-gpio-sync = <&msmgpio 80 0>;
 		qcom,sec-auxpcm-gpio-din  = <&msmgpio 81 0>;
@@ -833,6 +834,13 @@
 		interrupts = <0 162 1>;
 
 		qcom,firmware-name = "adsp";
+
+		/* GPIO inputs from lpass */
+		qcom,gpio-err-fatal = <&smp2pgpio_ssr_smp2p_2_in 0 0>;
+		qcom,gpio-proxy-unvote = <&smp2pgpio_ssr_smp2p_2_in 2 0>;
+
+		/* GPIO output to lpass */
+		qcom,gpio-force-stop = <&smp2pgpio_ssr_smp2p_2_out 0 0>;
 	};
 
 	qcom,msm-adsp-loader {
@@ -1191,7 +1199,7 @@
                reg = <0xf9bff000 0x200>;
         };
 
-	qcom,qseecom@fe806000 {
+	qseecom: qcom,qseecom@7f00000 {
 		compatible = "qcom,qseecom";
 		reg = <0x7f00000 0x500000>;
 		reg-names = "secapp-region";
@@ -1232,7 +1240,27 @@
 		qcom,firmware-name = "venus";
 	};
 
-	qcom,cache_erp {
+	qcom,cache_erp@f9012000 {
+		reg = <0xf9012000 0x80>,
+		      <0xf9089000 0x80>,
+		      <0xf9099000 0x80>,
+		      <0xf90a9000 0x80>,
+		      <0xf90b9000 0x80>,
+		      <0xf9088000 0x40>,
+		      <0xf9098000 0x40>,
+		      <0xf90a8000 0x40>,
+		      <0xf90b8000 0x40>;
+
+		reg-names = "l2_saw",
+			    "krait0_saw",
+			    "krait1_saw",
+			    "krait2_saw",
+			    "krait3_saw",
+			    "krait0_acs",
+			    "krait1_acs",
+			    "krait2_acs",
+			    "krait3_acs";
+
 		compatible = "qcom,cache_erp";
 		interrupts = <1 9 0>, <0 2 0>;
 		interrupt-names = "l1_irq", "l2_irq";
@@ -1363,8 +1391,8 @@
 		qcom,core-control-mask = <0xe>;
 		qcom,vdd-restriction-temp = <5>;
 		qcom,vdd-restriction-temp-hysteresis = <10>;
-		qcom,pmic-sw-mode-temp = <90>;
-		qcom,pmic-sw-mode-temp-hysteresis = <70>;
+		qcom,pmic-sw-mode-temp = <85>;
+		qcom,pmic-sw-mode-temp-hysteresis = <75>;
 		qcom,pmic-sw-mode-regs = "vdd_dig";
 		vdd_dig-supply = <&pm8841_s2_floor_corner>;
 		vdd_gfx-supply = <&pm8841_s4_floor_corner>;
@@ -1390,7 +1418,7 @@
 		qcom,rx-ring-size = <64>;
 	};
 
-        qcom,msm-mem-hole {
+        memory_hole: qcom,msm-mem-hole {
                 compatible = "qcom,msm-mem-hole";
                 qcom,memblock-remove = <0x7f00000 0x8000000>; /* Address and Size of Hole */
         };
diff --git a/arch/arm/boot/dts/msm9625-v2-1-cdp.dts b/arch/arm/boot/dts/msm9625-cdp.dtsi
similarity index 79%
rename from arch/arm/boot/dts/msm9625-v2-1-cdp.dts
rename to arch/arm/boot/dts/msm9625-cdp.dtsi
index da07100..1f9cbb0 100644
--- a/arch/arm/boot/dts/msm9625-v2-1-cdp.dts
+++ b/arch/arm/boot/dts/msm9625-cdp.dtsi
@@ -1,4 +1,4 @@
-/* Copyright (c) 2013, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -10,17 +10,10 @@
  * GNU General Public License for more details.
  */
 
-/dts-v1/;
-
-/include/ "msm9625-v2-1.dtsi"
+/include/ "msm9625-display.dtsi"
+/include/ "qpic-panel-ili-qvga.dtsi"
 
 / {
-	model = "Qualcomm MSM 9625V2.1 CDP";
-	compatible = "qcom,msm9625-cdp", "qcom,msm9625", "qcom,cdp";
-	qcom,msm-id = <134 1 0x20001>, <152 1 0x20001>, <149 1 0x20001>,
-		      <150 1 0x20001>, <151 1 0x20001>, <148 1 0x20001>,
-		      <173 1 0x20001>, <174 1 0x20001>, <175 1 0x20001>;
-
 	i2c@f9925000 {
 		charger@57 {
 			compatible = "summit,smb137c";
@@ -42,10 +35,18 @@
 
 	wlan0: qca,wlan {
 		cell-index = <0>;
-		compatible = "qca,ar6004-sdio";
+		compatible = "qca,ar6004-hsic";
 		qca,chip-pwd-l-gpios = <&msmgpio 62 0>;
 		qca,pm-enable-gpios = <&pm8019_gpios 3 0x0>;
-		qca,ar6004-vdd-io-supply = <&pm8019_l11>;
+		qca,vdd-io-supply = <&pm8019_l11>;
+	};
+
+	qca,wlan_ar6003 {
+		cell-index = <0>;
+		compatible = "qca,ar6003-sdio";
+		qca,chip-pwd-l-gpios = <&msmgpio 62 0>;
+		qca,pm-enable-gpios = <&pm8019_gpios 3 0x0>;
+		qca,vdd-io-supply = <&pm8019_l11>;
 	};
 };
 
diff --git a/arch/arm/boot/dts/msm9625-v2-1-cdp.dts b/arch/arm/boot/dts/msm9625-mtp.dtsi
similarity index 73%
copy from arch/arm/boot/dts/msm9625-v2-1-cdp.dts
copy to arch/arm/boot/dts/msm9625-mtp.dtsi
index da07100..cc0bf5e 100644
--- a/arch/arm/boot/dts/msm9625-v2-1-cdp.dts
+++ b/arch/arm/boot/dts/msm9625-mtp.dtsi
@@ -1,4 +1,4 @@
-/* Copyright (c) 2013, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -10,17 +10,7 @@
  * GNU General Public License for more details.
  */
 
-/dts-v1/;
-
-/include/ "msm9625-v2-1.dtsi"
-
 / {
-	model = "Qualcomm MSM 9625V2.1 CDP";
-	compatible = "qcom,msm9625-cdp", "qcom,msm9625", "qcom,cdp";
-	qcom,msm-id = <134 1 0x20001>, <152 1 0x20001>, <149 1 0x20001>,
-		      <150 1 0x20001>, <151 1 0x20001>, <148 1 0x20001>,
-		      <173 1 0x20001>, <174 1 0x20001>, <175 1 0x20001>;
-
 	i2c@f9925000 {
 		charger@57 {
 			compatible = "summit,smb137c";
@@ -42,10 +32,18 @@
 
 	wlan0: qca,wlan {
 		cell-index = <0>;
-		compatible = "qca,ar6004-sdio";
+		compatible = "qca,ar6004-hsic";
 		qca,chip-pwd-l-gpios = <&msmgpio 62 0>;
 		qca,pm-enable-gpios = <&pm8019_gpios 3 0x0>;
-		qca,ar6004-vdd-io-supply = <&pm8019_l11>;
+		qca,vdd-io-supply = <&pm8019_l11>;
+	};
+
+	qca,wlan_ar6003 {
+		cell-index = <0>;
+		compatible = "qca,ar6003-sdio";
+		qca,chip-pwd-l-gpios = <&msmgpio 62 0>;
+		qca,pm-enable-gpios = <&pm8019_gpios 3 0x0>;
+		qca,vdd-io-supply = <&pm8019_l11>;
 	};
 };
 
@@ -89,11 +87,23 @@
 	};
 
 	mpp@a300 { /* MPP 4 */
+		/* VADC channel 19 */
+		qcom,mode = <4>;
+		qcom,ain-route = <3>; /* AMUX 8 */
+		qcom,master-en = <1>;
+		qcom,src-sel = <0>; /* Function constant */
+		qcom,invert = <1>;
 	};
 
 	mpp@a400 { /* MPP 5 */
 	};
 
 	mpp@a500 { /* MPP 6 */
+		/* channel 21 */
+		qcom,mode = <4>;
+		qcom,ain-route = <1>; /* AMUX 6 */
+		qcom,master-en = <1>;
+		qcom,src-sel = <0>; /* Function constant */
+		qcom,invert = <1>;
 	};
 };
diff --git a/arch/arm/boot/dts/msm9625-v1-cdp.dts b/arch/arm/boot/dts/msm9625-v1-cdp.dts
index cf17c69..d7537eb 100644
--- a/arch/arm/boot/dts/msm9625-v1-cdp.dts
+++ b/arch/arm/boot/dts/msm9625-v1-cdp.dts
@@ -13,6 +13,7 @@
 /dts-v1/;
 
 /include/ "msm9625-v1.dtsi"
+/include/ "msm9625-cdp.dtsi"
 
 / {
 	model = "Qualcomm MSM 9625V1 CDP";
@@ -20,88 +21,4 @@
 	qcom,msm-id = <134 1 0>, <152 1 0>, <149 1 0>, <150 1 0>,
 		      <151 1 0>, <148 1 0>, <173 1 0>, <174 1 0>,
 		      <175 1 0>;
-
-	i2c@f9925000 {
-		charger@57 {
-			compatible = "summit,smb137c";
-			reg = <0x57>;
-			summit,chg-current-ma = <1500>;
-			summit,term-current-ma = <50>;
-			summit,pre-chg-current-ma = <100>;
-			summit,float-voltage-mv = <4200>;
-			summit,thresh-voltage-mv = <3000>;
-			summit,recharge-thresh-mv = <75>;
-			summit,system-voltage-mv = <4250>;
-			summit,charging-timeout = <382>;
-			summit,pre-charge-timeout = <48>;
-			summit,therm-current-ua = <10>;
-			summit,temperature-min = <4>; /*  0 C */
-			summit,temperature-max = <3>; /* 45 C */
-		};
-	};
-
-	wlan0: qca,wlan {
-		cell-index = <0>;
-		compatible = "qca,ar6004-sdio";
-		qca,chip-pwd-l-gpios = <&msmgpio 62 0>;
-		qca,pm-enable-gpios = <&pm8019_gpios 3 0x0>;
-		qca,vdd-io-supply = <&pm8019_l11>;
-	};
-
-	qca,wlan_ar6003 {
-		cell-index = <0>;
-		compatible = "qca,ar6003-sdio";
-		qca,chip-pwd-l-gpios = <&msmgpio 62 0>;
-		qca,pm-enable-gpios = <&pm8019_gpios 3 0x0>;
-		qca,vdd-io-supply = <&pm8019_l11>;
-	};
-};
-
-/* PM8019 GPIO and MPP configuration */
-&pm8019_gpios {
-	gpio@c000 { /* GPIO 1 */
-	};
-
-	gpio@c100 { /* GPIO 2 */
-	};
-
-	gpio@c200 { /* GPIO 3 */
-	};
-
-	gpio@c300 { /* GPIO 4 */
-		/* ext_2p95v regulator enable config */
-		qcom,mode = <1>; /* Digital output */
-		qcom,output-type = <0>; /* CMOS */
-		qcom,invert = <0>; /* Output low */
-		qcom,out-strength = <1>; /* Low */
-		qcom,vin-sel = <2>; /* PM8019 L11 - 1.8V */
-		qcom,src-sel = <0>; /* Constant */
-		qcom,master-en = <1>; /* Enable GPIO */
-	};
-
-	gpio@c400 { /* GPIO 5 */
-	};
-
-	gpio@c500 { /* GPIO 6 */
-	};
-};
-
-&pm8019_mpps {
-	mpp@a000 { /* MPP 1 */
-	};
-
-	mpp@a100 { /* MPP 2 */
-	};
-
-	mpp@a200 { /* MPP 3 */
-	};
-
-	mpp@a300 { /* MPP 4 */
-	};
-
-	mpp@a400 { /* MPP 5 */
-	};
-
-	mpp@a500 { /* MPP 6 */
-	};
 };
diff --git a/arch/arm/boot/dts/msm9625-v1-mtp.dts b/arch/arm/boot/dts/msm9625-v1-mtp.dts
index 24aa3af..a70ec1a 100644
--- a/arch/arm/boot/dts/msm9625-v1-mtp.dts
+++ b/arch/arm/boot/dts/msm9625-v1-mtp.dts
@@ -13,6 +13,7 @@
 /dts-v1/;
 
 /include/ "msm9625-v1.dtsi"
+/include/ "msm9625-mtp.dtsi"
 
 / {
 	model = "Qualcomm MSM 9625V1 MTP";
@@ -20,100 +21,4 @@
 	qcom,msm-id = <134 7 0>, <152 7 0>, <149 7 0>, <150 7 0>,
 		      <151 7 0>, <148 7 0>, <173 7 0>, <174 7 0>,
 		      <175 7 0>;
-
-	i2c@f9925000 {
-		charger@57 {
-			compatible = "summit,smb137c";
-			reg = <0x57>;
-			summit,chg-current-ma = <1500>;
-			summit,term-current-ma = <50>;
-			summit,pre-chg-current-ma = <100>;
-			summit,float-voltage-mv = <4200>;
-			summit,thresh-voltage-mv = <3000>;
-			summit,recharge-thresh-mv = <75>;
-			summit,system-voltage-mv = <4250>;
-			summit,charging-timeout = <382>;
-			summit,pre-charge-timeout = <48>;
-			summit,therm-current-ua = <10>;
-			summit,temperature-min = <4>; /*  0 C */
-			summit,temperature-max = <3>; /* 45 C */
-		};
-	};
-
-	wlan0: qca,wlan {
-		cell-index = <0>;
-		compatible = "qca,ar6004-sdio";
-		qca,chip-pwd-l-gpios = <&msmgpio 62 0>;
-		qca,pm-enable-gpios = <&pm8019_gpios 3 0x0>;
-		qca,vdd-io-supply = <&pm8019_l11>;
-	};
-
-	qca,wlan_ar6003 {
-		cell-index = <0>;
-		compatible = "qca,ar6003-sdio";
-		qca,chip-pwd-l-gpios = <&msmgpio 62 0>;
-		qca,pm-enable-gpios = <&pm8019_gpios 3 0x0>;
-		qca,vdd-io-supply = <&pm8019_l11>;
-	};
-};
-
-/* PM8019 GPIO and MPP configuration */
-&pm8019_gpios {
-	gpio@c000 { /* GPIO 1 */
-	};
-
-	gpio@c100 { /* GPIO 2 */
-	};
-
-	gpio@c200 { /* GPIO 3 */
-	};
-
-	gpio@c300 { /* GPIO 4 */
-		/* ext_2p95v regulator enable config */
-		qcom,mode = <1>; /* Digital output */
-		qcom,output-type = <0>; /* CMOS */
-		qcom,invert = <0>; /* Output low */
-		qcom,out-strength = <1>; /* Low */
-		qcom,vin-sel = <2>; /* PM8019 L11 - 1.8V */
-		qcom,src-sel = <0>; /* Constant */
-		qcom,master-en = <1>; /* Enable GPIO */
-	};
-
-	gpio@c400 { /* GPIO 5 */
-	};
-
-	gpio@c500 { /* GPIO 6 */
-	};
-};
-
-&pm8019_mpps {
-	mpp@a000 { /* MPP 1 */
-	};
-
-	mpp@a100 { /* MPP 2 */
-	};
-
-	mpp@a200 { /* MPP 3 */
-	};
-
-	mpp@a300 { /* MPP 4 */
-		/* VADC channel 19 */
-		qcom,mode = <4>;
-		qcom,ain-route = <3>; /* AMUX 8 */
-		qcom,master-en = <1>;
-		qcom,src-sel = <0>; /* Function constant */
-		qcom,invert = <1>;
-	};
-
-	mpp@a400 { /* MPP 5 */
-	};
-
-	mpp@a500 { /* MPP 6 */
-		/* VADC channel 21 */
-		qcom,mode = <4>;
-		qcom,ain-route = <1>; /* AMUX 6 */
-		qcom,master-en = <1>;
-		qcom,src-sel = <0>; /* Function constant */
-		qcom,invert = <1>;
-	};
 };
diff --git a/arch/arm/boot/dts/msm9625-v1.dtsi b/arch/arm/boot/dts/msm9625-v1.dtsi
index ad95601..de88ff1 100644
--- a/arch/arm/boot/dts/msm9625-v1.dtsi
+++ b/arch/arm/boot/dts/msm9625-v1.dtsi
@@ -37,6 +37,10 @@
 	};
 };
 
+&hsic_host {
+	qcom,disable-park-mode;
+};
+
 &ipa_hw {
 	qcom,ipa-hw-ver = <1>; /* IPA h-w revision */
 };
diff --git a/arch/arm/boot/dts/msm9625-v2-1-mtp.dts b/arch/arm/boot/dts/msm9625-v2-1-mtp.dts
deleted file mode 100644
index 1e0f3c0..0000000
--- a/arch/arm/boot/dts/msm9625-v2-1-mtp.dts
+++ /dev/null
@@ -1,99 +0,0 @@
-/* Copyright (c) 2013, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * 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.
- */
-
-/dts-v1/;
-
-/include/ "msm9625-v2-1.dtsi"
-
-/ {
-	model = "Qualcomm MSM 9625V2.1 MTP";
-	compatible = "qcom,msm9625-mtp", "qcom,msm9625", "qcom,mtp";
-	qcom,msm-id = <134 7 0x20001>, <152 7 0x20001>, <149 7 0x20001>,
-		      <150 7 0x20001>, <151 7 0x20001>, <148 7 0x20001>,
-		      <173 7 0x20001>, <174 7 0x20001>, <175 7 0x20001>;
-
-	i2c@f9925000 {
-		charger@57 {
-			compatible = "summit,smb137c";
-			reg = <0x57>;
-			summit,chg-current-ma = <1500>;
-			summit,term-current-ma = <50>;
-			summit,pre-chg-current-ma = <100>;
-			summit,float-voltage-mv = <4200>;
-			summit,thresh-voltage-mv = <3000>;
-			summit,recharge-thresh-mv = <75>;
-			summit,system-voltage-mv = <4250>;
-			summit,charging-timeout = <382>;
-			summit,pre-charge-timeout = <48>;
-			summit,therm-current-ua = <10>;
-			summit,temperature-min = <4>; /*  0 C */
-			summit,temperature-max = <3>; /* 45 C */
-		};
-	};
-
-	wlan0: qca,wlan {
-		cell-index = <0>;
-		compatible = "qca,ar6004-sdio";
-		qca,chip-pwd-l-gpios = <&msmgpio 62 0>;
-		qca,pm-enable-gpios = <&pm8019_gpios 3 0x0>;
-		qca,ar6004-vdd-io-supply = <&pm8019_l11>;
-	};
-};
-
-/* PM8019 GPIO and MPP configuration */
-&pm8019_gpios {
-	gpio@c000 { /* GPIO 1 */
-	};
-
-	gpio@c100 { /* GPIO 2 */
-	};
-
-	gpio@c200 { /* GPIO 3 */
-	};
-
-	gpio@c300 { /* GPIO 4 */
-		/* ext_2p95v regulator enable config */
-		qcom,mode = <1>; /* Digital output */
-		qcom,output-type = <0>; /* CMOS */
-		qcom,invert = <0>; /* Output low */
-		qcom,out-strength = <1>; /* Low */
-		qcom,vin-sel = <2>; /* PM8019 L11 - 1.8V */
-		qcom,src-sel = <0>; /* Constant */
-		qcom,master-en = <1>; /* Enable GPIO */
-	};
-
-	gpio@c400 { /* GPIO 5 */
-	};
-
-	gpio@c500 { /* GPIO 6 */
-	};
-};
-
-&pm8019_mpps {
-	mpp@a000 { /* MPP 1 */
-	};
-
-	mpp@a100 { /* MPP 2 */
-	};
-
-	mpp@a200 { /* MPP 3 */
-	};
-
-	mpp@a300 { /* MPP 4 */
-	};
-
-	mpp@a400 { /* MPP 5 */
-	};
-
-	mpp@a500 { /* MPP 6 */
-	};
-};
diff --git a/arch/arm/boot/dts/msm9625-v2-cdp.dts b/arch/arm/boot/dts/msm9625-v2-cdp.dts
index 660bdbd..9fbe5ec 100644
--- a/arch/arm/boot/dts/msm9625-v2-cdp.dts
+++ b/arch/arm/boot/dts/msm9625-v2-cdp.dts
@@ -13,8 +13,7 @@
 /dts-v1/;
 
 /include/ "msm9625-v2.dtsi"
-/include/ "msm9625-display.dtsi"
-/include/ "qpic-panel-ili-qvga.dtsi"
+/include/ "msm9625-cdp.dtsi"
 
 / {
 	model = "Qualcomm MSM 9625V2 CDP";
@@ -22,88 +21,4 @@
 	qcom,msm-id = <134 1 0x20000>, <152 1 0x20000>, <149 1 0x20000>,
 		      <150 1 0x20000>, <151 1 0x20000>, <148 1 0x20000>,
 		      <173 1 0x20000>, <174 1 0x20000>, <175 1 0x20000>;
-
-	i2c@f9925000 {
-		charger@57 {
-			compatible = "summit,smb137c";
-			reg = <0x57>;
-			summit,chg-current-ma = <1500>;
-			summit,term-current-ma = <50>;
-			summit,pre-chg-current-ma = <100>;
-			summit,float-voltage-mv = <4200>;
-			summit,thresh-voltage-mv = <3000>;
-			summit,recharge-thresh-mv = <75>;
-			summit,system-voltage-mv = <4250>;
-			summit,charging-timeout = <382>;
-			summit,pre-charge-timeout = <48>;
-			summit,therm-current-ua = <10>;
-			summit,temperature-min = <4>; /*  0 C */
-			summit,temperature-max = <3>; /* 45 C */
-		};
-	};
-
-	wlan0: qca,wlan {
-		cell-index = <0>;
-		compatible = "qca,ar6004-hsic";
-		qca,chip-pwd-l-gpios = <&msmgpio 62 0>;
-		qca,pm-enable-gpios = <&pm8019_gpios 3 0x0>;
-		qca,vdd-io-supply = <&pm8019_l11>;
-	};
-
-	qca,wlan_ar6003 {
-		cell-index = <0>;
-		compatible = "qca,ar6003-sdio";
-		qca,chip-pwd-l-gpios = <&msmgpio 62 0>;
-		qca,pm-enable-gpios = <&pm8019_gpios 3 0x0>;
-		qca,vdd-io-supply = <&pm8019_l11>;
-	};
-};
-
-/* PM8019 GPIO and MPP configuration */
-&pm8019_gpios {
-	gpio@c000 { /* GPIO 1 */
-	};
-
-	gpio@c100 { /* GPIO 2 */
-	};
-
-	gpio@c200 { /* GPIO 3 */
-	};
-
-	gpio@c300 { /* GPIO 4 */
-		/* ext_2p95v regulator enable config */
-		qcom,mode = <1>; /* Digital output */
-		qcom,output-type = <0>; /* CMOS */
-		qcom,invert = <0>; /* Output low */
-		qcom,out-strength = <1>; /* Low */
-		qcom,vin-sel = <2>; /* PM8019 L11 - 1.8V */
-		qcom,src-sel = <0>; /* Constant */
-		qcom,master-en = <1>; /* Enable GPIO */
-	};
-
-	gpio@c400 { /* GPIO 5 */
-	};
-
-	gpio@c500 { /* GPIO 6 */
-	};
-};
-
-&pm8019_mpps {
-	mpp@a000 { /* MPP 1 */
-	};
-
-	mpp@a100 { /* MPP 2 */
-	};
-
-	mpp@a200 { /* MPP 3 */
-	};
-
-	mpp@a300 { /* MPP 4 */
-	};
-
-	mpp@a400 { /* MPP 5 */
-	};
-
-	mpp@a500 { /* MPP 6 */
-	};
 };
diff --git a/arch/arm/boot/dts/msm9625-v2-mtp.dts b/arch/arm/boot/dts/msm9625-v2-mtp.dts
index c9e54be..5324e2c 100644
--- a/arch/arm/boot/dts/msm9625-v2-mtp.dts
+++ b/arch/arm/boot/dts/msm9625-v2-mtp.dts
@@ -13,6 +13,7 @@
 /dts-v1/;
 
 /include/ "msm9625-v2.dtsi"
+/include/ "msm9625-mtp.dtsi"
 
 / {
 	model = "Qualcomm MSM 9625V2 MTP";
diff --git a/arch/arm/boot/dts/msmzinc-sim.dts b/arch/arm/boot/dts/msm9625-v2.1-cdp.dts
similarity index 61%
copy from arch/arm/boot/dts/msmzinc-sim.dts
copy to arch/arm/boot/dts/msm9625-v2.1-cdp.dts
index e410344..b643593 100644
--- a/arch/arm/boot/dts/msmzinc-sim.dts
+++ b/arch/arm/boot/dts/msm9625-v2.1-cdp.dts
@@ -12,18 +12,13 @@
 
 /dts-v1/;
 
-/include/ "msmzinc.dtsi"
+/include/ "msm9625-v2.1.dtsi"
+/include/ "msm9625-cdp.dtsi"
 
 / {
-	model = "Qualcomm MSM ZINC Simulator";
-	compatible = "qcom,msmzinc-sim", "qcom,msmzinc", "qcom,sim";
-	qcom,msm-id = <178 0 0>;
-
-	aliases {
-		serial0 = &uart0;
-	};
-
-	uart0: serial@f991f000 {
-		status = "ok";
-	};
+	model = "Qualcomm MSM 9625V2.1 CDP";
+	compatible = "qcom,msm9625-cdp", "qcom,msm9625", "qcom,cdp";
+	qcom,msm-id = <134 1 0x20001>, <152 1 0x20001>, <149 1 0x20001>,
+		      <150 1 0x20001>, <151 1 0x20001>, <148 1 0x20001>,
+		      <173 1 0x20001>, <174 1 0x20001>, <175 1 0x20001>;
 };
diff --git a/arch/arm/boot/dts/msmzinc-sim.dts b/arch/arm/boot/dts/msm9625-v2.1-mtp.dts
similarity index 61%
rename from arch/arm/boot/dts/msmzinc-sim.dts
rename to arch/arm/boot/dts/msm9625-v2.1-mtp.dts
index e410344..8bbcc0d 100644
--- a/arch/arm/boot/dts/msmzinc-sim.dts
+++ b/arch/arm/boot/dts/msm9625-v2.1-mtp.dts
@@ -12,18 +12,13 @@
 
 /dts-v1/;
 
-/include/ "msmzinc.dtsi"
+/include/ "msm9625-v2.1.dtsi"
+/include/ "msm9625-mtp.dtsi"
 
 / {
-	model = "Qualcomm MSM ZINC Simulator";
-	compatible = "qcom,msmzinc-sim", "qcom,msmzinc", "qcom,sim";
-	qcom,msm-id = <178 0 0>;
-
-	aliases {
-		serial0 = &uart0;
-	};
-
-	uart0: serial@f991f000 {
-		status = "ok";
-	};
+	model = "Qualcomm MSM 9625V2.1 MTP";
+	compatible = "qcom,msm9625-mtp", "qcom,msm9625", "qcom,mtp";
+	qcom,msm-id = <134 7 0x20001>, <152 7 0x20001>, <149 7 0x20001>,
+		      <150 7 0x20001>, <151 7 0x20001>, <148 7 0x20001>,
+		      <173 7 0x20001>, <174 7 0x20001>, <175 7 0x20001>;
 };
diff --git a/arch/arm/boot/dts/msm9625-v2-1.dtsi b/arch/arm/boot/dts/msm9625-v2.1.dtsi
similarity index 100%
rename from arch/arm/boot/dts/msm9625-v2-1.dtsi
rename to arch/arm/boot/dts/msm9625-v2.1.dtsi
diff --git a/arch/arm/boot/dts/msm9625-v2.dtsi b/arch/arm/boot/dts/msm9625-v2.dtsi
index 3ce6844..81d8e00 100644
--- a/arch/arm/boot/dts/msm9625-v2.dtsi
+++ b/arch/arm/boot/dts/msm9625-v2.dtsi
@@ -35,6 +35,10 @@
 	qcom,ipa-hw-ver = <2>; /* IPA h-w revision */
 };
 
+&hsic_host {
+	qcom,disable-park-mode;
+};
+
 &sfpb_spinlock {
 	status = "disable";
 };
diff --git a/arch/arm/boot/dts/msm9625.dtsi b/arch/arm/boot/dts/msm9625.dtsi
index 16fa1da..abfd7ec 100644
--- a/arch/arm/boot/dts/msm9625.dtsi
+++ b/arch/arm/boot/dts/msm9625.dtsi
@@ -394,7 +394,7 @@
 
 		qcom,pad-pull-on = <0x0 0x3 0x3>;
 		qcom,pad-pull-off = <0x0 0x3 0x3>;
-		qcom,pad-drv-on = <0x7 0x4 0x4>;
+		qcom,pad-drv-on = <0x4 0x4 0x4>;
 		qcom,pad-drv-off = <0x0 0x0 0x0>;
 
 		qcom,clk-rates = <400000 25000000 50000000 100000000 200000000>;
@@ -763,9 +763,9 @@
 		qcom,gpio-force-stop = <&smp2pgpio_ssr_smp2p_1_out 0 0>;
 	};
 
-	qcom,smem@fa00000 {
+	qcom,smem@0 {
 		compatible = "qcom,smem";
-		reg = <0xfa00000 0x200000>,
+		reg = <0x0 0x100000>,
 			<0xf9011000 0x1000>,
 			<0xfc428000 0x4000>;
 		reg-names = "smem", "irq-reg-base", "aux-mem1";
diff --git a/arch/arm/boot/dts/msmkrypton.dtsi b/arch/arm/boot/dts/msmkrypton.dtsi
index db61dab..3f51659 100644
--- a/arch/arm/boot/dts/msmkrypton.dtsi
+++ b/arch/arm/boot/dts/msmkrypton.dtsi
@@ -37,12 +37,70 @@
 		qcom,direct-connect-irqs = <8>;
 	};
 
-	timer: msm-qtimer@f9021000 {
-		compatible = "arm,armv7-timer";
-		reg = <0xf9021000 0x1000>;
-		interrupts = <0 7 0>;
-		irq-is-not-percpu;
+	timer@f9020000 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+		compatible = "arm,armv7-timer-mem";
+		reg = <0xf9020000 0x1000>;
 		clock-frequency = <19200000>;
+
+		frame@f9021000 {
+			frame-number = <0>;
+			interrupts = <0 7 0x4>,
+				     <0 6 0x4>;
+			reg = <0xf9021000 0x1000>,
+			      <0xf9022000 0x1000>;
+		};
+
+		frame@f9023000 {
+			frame-number = <1>;
+			interrupts = <0 8 0x4>;
+			reg = <0xf9023000 0x1000>;
+			status = "disabled";
+		};
+
+		frame@f9024000 {
+			frame-number = <2>;
+			interrupts = <0 9 0x4>;
+			reg = <0xf9024000 0x1000>;
+			status = "disabled";
+		};
+
+		frame@f9025000 {
+			frame-number = <3>;
+			interrupts = <0 10 0x4>;
+			reg = <0xf9025000 0x1000>;
+			status = "disabled";
+		};
+
+		frame@f9026000 {
+			frame-number = <4>;
+			interrupts = <0 11 0x4>;
+			reg = <0xf9026000 0x1000>;
+			status = "disabled";
+		};
+
+		frame@f9027000 {
+			frame-number = <5>;
+			interrupts = <0 12 0x4>;
+			reg = <0xf9027000 0x1000>;
+			status = "disabled";
+		};
+
+		frame@f9028000 {
+			frame-number = <6>;
+			interrupts = <0 13 0x4>;
+			reg = <0xf9028000 0x1000>;
+			status = "disabled";
+		};
+
+		frame@f9029000 {
+			frame-number = <7>;
+			interrupts = <0 14 0x4>;
+			reg = <0xf9029000 0x1000>;
+			status = "disabled";
+		};
 	};
 
 	uartdm3: serial@f991f000 {
diff --git a/arch/arm/configs/msmzinc_defconfig b/arch/arm/configs/apq8084_defconfig
similarity index 96%
rename from arch/arm/configs/msmzinc_defconfig
rename to arch/arm/configs/apq8084_defconfig
index d0ea87a..89d72f2 100644
--- a/arch/arm/configs/msmzinc_defconfig
+++ b/arch/arm/configs/apq8084_defconfig
@@ -34,7 +34,7 @@
 CONFIG_EFI_PARTITION=y
 CONFIG_IOSCHED_TEST=y
 CONFIG_ARCH_MSM=y
-CONFIG_ARCH_MSMZINC=y
+CONFIG_ARCH_APQ8084=y
 CONFIG_MSM_KRAIT_TBB_ABORT_HANDLER=y
 CONFIG_MSM_RPM_SMD=y
 # CONFIG_MSM_STACKED_MEMORY is not set
@@ -284,6 +284,7 @@
 CONFIG_ION_MSM=y
 CONFIG_MSM_KGSL=y
 CONFIG_FB=y
+CONFIG_FB_VIRTUAL=y
 CONFIG_FB_MSM=y
 # CONFIG_FB_MSM_BACKLIGHT is not set
 CONFIG_FB_MSM_MDSS=y
@@ -313,6 +314,19 @@
 CONFIG_USB_STORAGE_KARMA=y
 CONFIG_USB_STORAGE_CYPRESS_ATACB=y
 CONFIG_USB_STORAGE_ENE_UB6250=y
+CONFIG_MMC=y
+CONFIG_MMC_PERF_PROFILING=y
+CONFIG_MMC_UNSAFE_RESUME=y
+CONFIG_MMC_CLKGATE=y
+CONFIG_MMC_PARANOID_SD_INIT=y
+CONFIG_MMC_BLOCK_MINORS=32
+# CONFIG_MMC_BLOCK_BOUNCE is not set
+CONFIG_MMC_TEST=m
+CONFIG_MMC_BLOCK_TEST=y
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_PLTFM=y
+CONFIG_MMC_MSM=y
+CONFIG_MMC_SDHCI_MSM=y
 CONFIG_LEDS_QPNP=y
 CONFIG_LEDS_TRIGGERS=y
 CONFIG_LEDS_TRIGGER_BACKLIGHT=y
diff --git a/arch/arm/configs/msmzinc_defconfig b/arch/arm/configs/msm8610-perf_defconfig
similarity index 67%
copy from arch/arm/configs/msmzinc_defconfig
copy to arch/arm/configs/msm8610-perf_defconfig
index d0ea87a..03ac944 100644
--- a/arch/arm/configs/msmzinc_defconfig
+++ b/arch/arm/configs/msm8610-perf_defconfig
@@ -1,5 +1,6 @@
 # CONFIG_ARM_PATCH_PHYS_VIRT is not set
 CONFIG_EXPERIMENTAL=y
+CONFIG_LOCALVERSION="-perf"
 CONFIG_SYSVIPC=y
 CONFIG_RCU_FAST_NO_HZ=y
 CONFIG_IKCONFIG=y
@@ -14,6 +15,7 @@
 CONFIG_NAMESPACES=y
 # CONFIG_UTS_NS is not set
 # CONFIG_IPC_NS is not set
+# CONFIG_USER_NS is not set
 # CONFIG_PID_NS is not set
 CONFIG_RELAY=y
 CONFIG_BLK_DEV_INITRD=y
@@ -22,85 +24,69 @@
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 CONFIG_PANIC_TIMEOUT=5
 CONFIG_KALLSYMS_ALL=y
-CONFIG_ASHMEM=y
 CONFIG_EMBEDDED=y
 CONFIG_PROFILING=y
-CONFIG_KPROBES=y
+CONFIG_OPROFILE=m
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 CONFIG_MODULE_FORCE_UNLOAD=y
 CONFIG_MODVERSIONS=y
 CONFIG_PARTITION_ADVANCED=y
 CONFIG_EFI_PARTITION=y
-CONFIG_IOSCHED_TEST=y
 CONFIG_ARCH_MSM=y
-CONFIG_ARCH_MSMZINC=y
-CONFIG_MSM_KRAIT_TBB_ABORT_HANDLER=y
-CONFIG_MSM_RPM_SMD=y
+CONFIG_ARCH_MSM8610=y
+CONFIG_ARCH_MSM8226=y
 # CONFIG_MSM_STACKED_MEMORY is not set
 CONFIG_CPU_HAS_L2_PMU=y
 # CONFIG_MSM_FIQ_SUPPORT is not set
 # CONFIG_MSM_PROC_COMM is not set
 CONFIG_MSM_SMD=y
 CONFIG_MSM_SMD_PKG4=y
+CONFIG_MSM_BAM_DMUX=y
+CONFIG_MSM_SMP2P=y
+CONFIG_MSM_SMP2P_TEST=y
 CONFIG_MSM_IPC_LOGGING=y
 CONFIG_MSM_IPC_ROUTER=y
 CONFIG_MSM_IPC_ROUTER_SMD_XPRT=y
-CONFIG_MSM_IPC_ROUTER_SECURITY=y
-# CONFIG_MSM_HW3D is not set
-CONFIG_MSM_RPM_REGULATOR_SMD=y
+CONFIG_MSM_QMI_INTERFACE=y
 CONFIG_MSM_SUBSYSTEM_RESTART=y
 CONFIG_MSM_SYSMON_COMM=y
+CONFIG_MSM_PIL_LPASS_QDSP6V5=y
+CONFIG_MSM_PIL_MSS_QDSP6V5=y
+CONFIG_MSM_PIL_VENUS=y
+CONFIG_MSM_PIL_PRONTO=y
+CONFIG_MSM_TZ_LOG=y
 CONFIG_MSM_DIRECT_SCLK_ACCESS=y
 CONFIG_MSM_WATCHDOG_V2=y
 CONFIG_MSM_MEMORY_DUMP=y
 CONFIG_MSM_DLOAD_MODE=y
-CONFIG_MSM_RUN_QUEUE_STATS=y
-CONFIG_MSM_SPM_V2=y
-CONFIG_MSM_L2_SPM=y
-CONFIG_MSM_MULTIMEDIA_USE_ION=y
+CONFIG_MSM_ENABLE_WDOG_DEBUG_CONTROL=y
+CONFIG_MSM_ADSP_LOADER=m
 CONFIG_MSM_OCMEM=y
 CONFIG_MSM_OCMEM_LOCAL_POWER_CTRL=y
 CONFIG_MSM_OCMEM_DEBUG=y
 CONFIG_MSM_OCMEM_NONSECURE=y
+CONFIG_MSM_OCMEM_POWER_DISABLE=y
 CONFIG_SENSORS_ADSP=y
 CONFIG_MSM_RTB=y
 CONFIG_MSM_RTB_SEPARATE_CPUS=y
-CONFIG_MSM_CACHE_ERP=y
-CONFIG_MSM_L1_ERR_PANIC=y
-CONFIG_MSM_L1_RECOV_ERR_PANIC=y
-CONFIG_MSM_L1_ERR_LOG=y
-CONFIG_MSM_L2_ERP_PRINT_ACCESS_ERRORS=y
-CONFIG_MSM_L2_ERP_PORT_PANIC=y
-CONFIG_MSM_L2_ERP_1BIT_PANIC=y
-CONFIG_MSM_L2_ERP_2BIT_PANIC=y
-CONFIG_MSM_CACHE_DUMP=y
-CONFIG_MSM_CACHE_DUMP_ON_PANIC=y
-CONFIG_MSM_ENABLE_WDOG_DEBUG_CONTROL=y
-CONFIG_ARM_LPAE=y
 CONFIG_NO_HZ=y
 CONFIG_HIGH_RES_TIMERS=y
 CONFIG_SMP=y
-# CONFIG_SMP_ON_UP is not set
 CONFIG_SCHED_MC=y
 CONFIG_ARM_ARCH_TIMER=y
 CONFIG_PREEMPT=y
 CONFIG_AEABI=y
 CONFIG_HIGHMEM=y
-CONFIG_VMALLOC_RESERVE=0x19000000
-CONFIG_CC_STACKPROTECTOR=y
-CONFIG_CP_ACCESS=y
 CONFIG_USE_OF=y
-CONFIG_CPU_FREQ=y
-CONFIG_CPU_FREQ_GOV_POWERSAVE=y
-CONFIG_CPU_FREQ_GOV_USERSPACE=y
-CONFIG_CPU_FREQ_GOV_ONDEMAND=y
-CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y
 CONFIG_CPU_IDLE=y
 CONFIG_VFP=y
 CONFIG_NEON=y
 # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
-CONFIG_WAKELOCK=y
+CONFIG_PM_AUTOSLEEP=y
+CONFIG_PM_WAKELOCKS=y
+CONFIG_PM_WAKELOCKS_LIMIT=0
+# CONFIG_PM_WAKELOCKS_GC is not set
 CONFIG_PM_RUNTIME=y
 CONFIG_NET=y
 CONFIG_PACKET=y
@@ -180,6 +166,10 @@
 CONFIG_IP_NF_MATCH_TTL=y
 CONFIG_IP_NF_FILTER=y
 CONFIG_IP_NF_TARGET_REJECT=y
+CONFIG_NF_NAT=y
+CONFIG_IP_NF_TARGET_MASQUERADE=y
+CONFIG_IP_NF_TARGET_NETMAP=y
+CONFIG_IP_NF_TARGET_REDIRECT=y
 CONFIG_IP_NF_MANGLE=y
 CONFIG_IP_NF_RAW=y
 CONFIG_IP_NF_ARPTABLES=y
@@ -191,151 +181,163 @@
 CONFIG_IP6_NF_TARGET_REJECT=y
 CONFIG_IP6_NF_MANGLE=y
 CONFIG_IP6_NF_RAW=y
+CONFIG_BRIDGE_NF_EBTABLES=y
+CONFIG_BRIDGE_EBT_BROUTE=y
+CONFIG_BRIDGE=y
 CONFIG_NET_SCHED=y
 CONFIG_NET_SCH_HTB=y
 CONFIG_NET_SCH_PRIO=y
 CONFIG_NET_CLS_FW=y
-CONFIG_NET_CLS_U32=y
-CONFIG_CLS_U32_MARK=y
-CONFIG_NET_CLS_FLOW=y
-CONFIG_NET_EMATCH=y
-CONFIG_NET_EMATCH_CMP=y
-CONFIG_NET_EMATCH_NBYTE=y
-CONFIG_NET_EMATCH_U32=y
-CONFIG_NET_EMATCH_META=y
-CONFIG_NET_EMATCH_TEXT=y
-CONFIG_NET_CLS_ACT=y
+CONFIG_BT=y
+CONFIG_BT_RFCOMM=y
+CONFIG_BT_RFCOMM_TTY=y
+CONFIG_BT_BNEP=y
+CONFIG_BT_BNEP_MC_FILTER=y
+CONFIG_BT_BNEP_PROTO_FILTER=y
+CONFIG_BT_HIDP=y
+CONFIG_BT_HCISMD=y
 CONFIG_CFG80211=y
-CONFIG_RFKILL=y
-CONFIG_GENLOCK=y
-CONFIG_GENLOCK_MISCDEVICE=y
-CONFIG_SYNC=y
-CONFIG_SW_SYNC=y
+CONFIG_NL80211_TESTMODE=y
 CONFIG_CMA=y
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_RAM=y
-CONFIG_HAPTIC_ISA1200=y
-CONFIG_USB_HSIC_SMSC_HUB=y
-CONFIG_TI_DRV2667=y
-CONFIG_SCSI=y
-CONFIG_SCSI_TGT=y
-CONFIG_BLK_DEV_SD=y
-CONFIG_CHR_DEV_SG=y
-CONFIG_CHR_DEV_SCH=y
-CONFIG_SCSI_MULTI_LUN=y
-CONFIG_SCSI_CONSTANTS=y
-CONFIG_SCSI_LOGGING=y
-CONFIG_SCSI_SCAN_ASYNC=y
 CONFIG_MD=y
 CONFIG_BLK_DEV_DM=y
 CONFIG_DM_CRYPT=y
 CONFIG_NETDEVICES=y
 CONFIG_DUMMY=y
-CONFIG_TUN=y
-CONFIG_KS8851=m
 # CONFIG_MSM_RMNET is not set
-CONFIG_SLIP=y
-CONFIG_SLIP_COMPRESSED=y
-CONFIG_SLIP_MODE_SLIP6=y
-CONFIG_USB_USBNET=y
+CONFIG_MSM_RMNET_BAM=y
+CONFIG_WCNSS_CORE=y
+CONFIG_WCNSS_CORE_PRONTO=y
+CONFIG_WCNSS_MEM_PRE_ALLOC=y
 CONFIG_INPUT_EVDEV=y
 CONFIG_INPUT_EVBUG=m
 CONFIG_KEYBOARD_GPIO=y
-CONFIG_INPUT_JOYSTICK=y
 CONFIG_INPUT_TOUCHSCREEN=y
-CONFIG_TOUCHSCREEN_ATMEL_MXT=y
+CONFIG_TOUCHSCREEN_SYNAPTICS_I2C_RMI4=y
+CONFIG_TOUCHSCREEN_SYNAPTICS_DSX_RMI4_DEV=y
+CONFIG_TOUCHSCREEN_SYNAPTICS_DSX_FW_UPDATE=y
 CONFIG_INPUT_MISC=y
 CONFIG_INPUT_UINPUT=y
+CONFIG_INPUT_GPIO=m
 CONFIG_SERIAL_MSM_HSL=y
 CONFIG_SERIAL_MSM_HSL_CONSOLE=y
+CONFIG_DIAG_CHAR=y
 CONFIG_HW_RANDOM=y
 CONFIG_HW_RANDOM_MSM=y
 CONFIG_I2C=y
 CONFIG_I2C_CHARDEV=y
 CONFIG_I2C_QUP=y
 CONFIG_SPI=y
+CONFIG_SPI_QUP=y
 CONFIG_SPI_SPIDEV=m
 CONFIG_SPMI=y
+CONFIG_MSM_BUS_SCALING=y
 CONFIG_SPMI_MSM_PMIC_ARB=y
 CONFIG_MSM_QPNP_INT=y
+CONFIG_SLIMBUS_MSM_NGD=y
 CONFIG_DEBUG_GPIO=y
 CONFIG_GPIO_SYSFS=y
 CONFIG_GPIO_QPNP_PIN=y
-CONFIG_GPIO_QPNP_PIN_DEBUG=y
 CONFIG_POWER_SUPPLY=y
-CONFIG_SMB350_CHARGER=y
-CONFIG_BATTERY_BQ28400=y
 CONFIG_QPNP_CHARGER=y
-CONFIG_BATTERY_BCL=y
-CONFIG_SENSORS_EPM_ADC=y
+CONFIG_QPNP_BMS=y
 CONFIG_SENSORS_QPNP_ADC_VOLTAGE=y
 CONFIG_SENSORS_QPNP_ADC_CURRENT=y
 CONFIG_THERMAL=y
 CONFIG_THERMAL_TSENS8974=y
 CONFIG_THERMAL_MONITOR=y
-CONFIG_THERMAL_QPNP=y
 CONFIG_THERMAL_QPNP_ADC_TM=y
-CONFIG_REGULATOR_FIXED_VOLTAGE=y
+CONFIG_WCD9306_CODEC=y
 CONFIG_REGULATOR_STUB=y
 CONFIG_REGULATOR_QPNP=y
 CONFIG_MEDIA_SUPPORT=y
 CONFIG_MEDIA_CONTROLLER=y
+CONFIG_VIDEO_DEV=y
+CONFIG_VIDEO_V4L2_SUBDEV_API=y
+# CONFIG_MSM_CAMERA is not set
+CONFIG_OV8825=y
+CONFIG_MSM_CAMERA_SENSOR=y
+CONFIG_MSM_CPP=y
+CONFIG_MSM_CCI=y
+CONFIG_MSM_CSI30_HEADER=y
+CONFIG_MSM_CSIPHY=y
+CONFIG_MSM_CSID=y
+CONFIG_MSM_ISPIF=y
+CONFIG_MSMB_CAMERA=y
+CONFIG_OV9724=y
+CONFIG_MSMB_JPEG=y
+CONFIG_SWITCH=y
+CONFIG_MSM_WFD=y
+CONFIG_MSM_VIDC_V4L2=y
+CONFIG_VIDEOBUF2_MSM_MEM=y
+CONFIG_V4L_PLATFORM_DRIVERS=y
+CONFIG_RADIO_IRIS=y
+CONFIG_RADIO_IRIS_TRANSPORT=m
 CONFIG_ION=y
 CONFIG_ION_MSM=y
 CONFIG_MSM_KGSL=y
 CONFIG_FB=y
+CONFIG_FB_VIRTUAL=y
 CONFIG_FB_MSM=y
 # CONFIG_FB_MSM_BACKLIGHT is not set
 CONFIG_FB_MSM_MDSS=y
 CONFIG_FB_MSM_MDSS_WRITEBACK=y
-CONFIG_FB_MSM_MDSS_HDMI_PANEL=y
-CONFIG_FB_MSM_MDSS_HDMI_MHL_SII8334=y
 CONFIG_BACKLIGHT_LCD_SUPPORT=y
 # CONFIG_LCD_CLASS_DEVICE is not set
 CONFIG_BACKLIGHT_CLASS_DEVICE=y
 # CONFIG_BACKLIGHT_GENERIC is not set
-CONFIG_USB=y
-CONFIG_USB_SUSPEND=y
-CONFIG_USB_EHCI_HCD=y
-CONFIG_USB_EHCI_MSM=y
-CONFIG_USB_EHCI_MSM_HSIC=y
-CONFIG_USB_ACM=y
-CONFIG_USB_STORAGE=y
-CONFIG_USB_STORAGE_DATAFAB=y
-CONFIG_USB_STORAGE_FREECOM=y
-CONFIG_USB_STORAGE_ISD200=y
-CONFIG_USB_STORAGE_USBAT=y
-CONFIG_USB_STORAGE_SDDR09=y
-CONFIG_USB_STORAGE_SDDR55=y
-CONFIG_USB_STORAGE_JUMPSHOT=y
-CONFIG_USB_STORAGE_ALAUDA=y
-CONFIG_USB_STORAGE_ONETOUCH=y
-CONFIG_USB_STORAGE_KARMA=y
-CONFIG_USB_STORAGE_CYPRESS_ATACB=y
-CONFIG_USB_STORAGE_ENE_UB6250=y
+CONFIG_SOUND=y
+CONFIG_SND=y
+CONFIG_SND_SOC=y
+CONFIG_SND_SOC_MSM8226=y
+CONFIG_SND_SOC_MSM8X10=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_DEBUG_FILES=y
+CONFIG_USB_GADGET_DEBUG_FS=y
+CONFIG_USB_CI13XXX_MSM=y
+CONFIG_USB_G_ANDROID=y
+CONFIG_MMC=y
+CONFIG_MMC_PERF_PROFILING=y
+CONFIG_MMC_UNSAFE_RESUME=y
+CONFIG_MMC_CLKGATE=y
+CONFIG_MMC_EMBEDDED_SDIO=y
+CONFIG_MMC_PARANOID_SD_INIT=y
+CONFIG_MMC_BLOCK_MINORS=32
+CONFIG_MMC_TEST=m
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_PLTFM=y
+CONFIG_MMC_MSM=y
+CONFIG_MMC_SDHCI_MSM=y
+CONFIG_MMC_MSM_SPS_SUPPORT=y
 CONFIG_LEDS_QPNP=y
 CONFIG_LEDS_TRIGGERS=y
-CONFIG_LEDS_TRIGGER_BACKLIGHT=y
-CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
-CONFIG_SWITCH=y
 CONFIG_RTC_CLASS=y
 # CONFIG_RTC_DRV_MSM is not set
 CONFIG_RTC_DRV_QPNP=y
 CONFIG_STAGING=y
 CONFIG_ANDROID=y
 CONFIG_ANDROID_BINDER_IPC=y
+CONFIG_ASHMEM=y
 CONFIG_ANDROID_LOGGER=y
+CONFIG_ANDROID_RAM_CONSOLE=y
 CONFIG_ANDROID_TIMED_GPIO=y
 CONFIG_ANDROID_LOW_MEMORY_KILLER=y
-CONFIG_MSM_SSBI=y
 CONFIG_SPS=y
-CONFIG_SPS_SUPPORT_BAMDMA=y
+CONFIG_USB_BAM=y
 CONFIG_SPS_SUPPORT_NDP_BAM=y
 CONFIG_QPNP_PWM=y
 CONFIG_QPNP_POWER_ON=y
-CONFIG_QPNP_CLKDIV=y
 CONFIG_MSM_IOMMU=y
-CONFIG_IOMMU_PGTABLES_L2=y
+CONFIG_CORESIGHT=y
+CONFIG_CORESIGHT_TMC=y
+CONFIG_CORESIGHT_TPIU=y
+CONFIG_CORESIGHT_FUNNEL=y
+CONFIG_CORESIGHT_REPLICATOR=y
+CONFIG_CORESIGHT_STM=y
+CONFIG_CORESIGHT_ETM=y
+CONFIG_CORESIGHT_EVENT=m
 CONFIG_EXT2_FS=y
 CONFIG_EXT2_FS_XATTR=y
 CONFIG_EXT3_FS=y
@@ -344,42 +346,23 @@
 CONFIG_FUSE_FS=y
 CONFIG_VFAT_FS=y
 CONFIG_TMPFS=y
-CONFIG_PSTORE=y
 CONFIG_NLS_CODEPAGE_437=y
 CONFIG_NLS_ASCII=y
 CONFIG_NLS_ISO8859_1=y
 CONFIG_PRINTK_TIME=y
 CONFIG_MAGIC_SYSRQ=y
-CONFIG_LOCKUP_DETECTOR=y
-# CONFIG_DETECT_HUNG_TASK is not set
 CONFIG_SCHEDSTATS=y
 CONFIG_TIMER_STATS=y
-CONFIG_DEBUG_KMEMLEAK=y
-CONFIG_DEBUG_KMEMLEAK_DEFAULT_OFF=y
-CONFIG_DEBUG_SPINLOCK=y
-CONFIG_DEBUG_MUTEXES=y
-CONFIG_DEBUG_ATOMIC_SLEEP=y
-CONFIG_DEBUG_STACK_USAGE=y
 CONFIG_DEBUG_INFO=y
 CONFIG_DEBUG_MEMORY_INIT=y
-CONFIG_DEBUG_LIST=y
-CONFIG_FAULT_INJECTION=y
-CONFIG_FAIL_PAGE_ALLOC=y
-CONFIG_FAULT_INJECTION_DEBUG_FS=y
-CONFIG_FAULT_INJECTION_STACKTRACE_FILTER=y
-CONFIG_DEBUG_PAGEALLOC=y
-CONFIG_CPU_FREQ_SWITCH_PROFILER=y
+CONFIG_ENABLE_DEFAULT_TRACERS=y
 CONFIG_DYNAMIC_DEBUG=y
 CONFIG_DEBUG_USER=y
-CONFIG_DEBUG_LL=y
-CONFIG_EARLY_PRINTK=y
-CONFIG_PID_IN_CONTEXTIDR=y
 CONFIG_KEYS=y
 CONFIG_CRYPTO_MD4=y
-CONFIG_CRYPTO_SHA256=y
 CONFIG_CRYPTO_ARC4=y
 CONFIG_CRYPTO_TWOFISH=y
-CONFIG_CRYPTO_DEV_QCRYPTO=m
-CONFIG_CRYPTO_DEV_QCE=m
-CONFIG_CRYPTO_DEV_QCEDEV=m
+# CONFIG_CRYPTO_HW is not set
 CONFIG_CRC_CCITT=y
+CONFIG_QPNP_VIBRATOR=y
+CONFIG_QSEECOM=y
\ No newline at end of file
diff --git a/arch/arm/configs/msm8974-perf_defconfig b/arch/arm/configs/msm8974-perf_defconfig
index f67cb0d..59cafd1 100644
--- a/arch/arm/configs/msm8974-perf_defconfig
+++ b/arch/arm/configs/msm8974-perf_defconfig
@@ -98,6 +98,7 @@
 CONFIG_CPU_FREQ_GOV_POWERSAVE=y
 CONFIG_CPU_FREQ_GOV_USERSPACE=y
 CONFIG_CPU_FREQ_GOV_ONDEMAND=y
+CONFIG_CPU_FREQ_GOV_INTERACTIVE=y
 CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y
 CONFIG_CPU_IDLE=y
 CONFIG_VFP=y
@@ -238,6 +239,7 @@
 CONFIG_CMA=y
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_RAM=y
+CONFIG_TSPP=m
 CONFIG_HAPTIC_ISA1200=y
 CONFIG_QSEECOM=y
 CONFIG_QPNP_MISC=y
@@ -320,6 +322,7 @@
 CONFIG_MEDIA_CONTROLLER=y
 CONFIG_VIDEO_DEV=y
 CONFIG_VIDEO_V4L2_SUBDEV_API=y
+CONFIG_DVB_CORE=m
 # CONFIG_MSM_CAMERA is not set
 CONFIG_MT9M114=y
 CONFIG_OV2720=y
@@ -337,6 +340,8 @@
 CONFIG_MSMB_JPEG=y
 CONFIG_MSM_VIDC_V4L2=y
 CONFIG_MSM_WFD=y
+CONFIG_DVB_MPQ=m
+CONFIG_DVB_MPQ_DEMUX=m
 CONFIG_VIDEOBUF2_MSM_MEM=y
 CONFIG_USB_VIDEO_CLASS=y
 CONFIG_V4L_PLATFORM_DRIVERS=y
@@ -345,6 +350,7 @@
 CONFIG_ION=y
 CONFIG_ION_MSM=y
 CONFIG_MSM_KGSL=y
+CONFIG_KGSL_PER_PROCESS_PAGE_TABLE=y
 CONFIG_FB=y
 CONFIG_FB_MSM=y
 # CONFIG_FB_MSM_BACKLIGHT is not set
@@ -386,6 +392,8 @@
 CONFIG_USB_STORAGE_CYPRESS_ATACB=y
 CONFIG_USB_STORAGE_ENE_UB6250=y
 CONFIG_USB_EHSET_TEST_FIXTURE=y
+CONFIG_USB_QCOM_DIAG_BRIDGE=y
+CONFIG_USB_QCOM_KS_BRIDGE=y
 CONFIG_USB_GADGET=y
 CONFIG_USB_GADGET_DEBUG_FILES=y
 CONFIG_USB_CI13XXX_MSM=y
diff --git a/arch/arm/configs/msm8974_defconfig b/arch/arm/configs/msm8974_defconfig
index b5e67fd..fd8a639 100644
--- a/arch/arm/configs/msm8974_defconfig
+++ b/arch/arm/configs/msm8974_defconfig
@@ -85,6 +85,7 @@
 CONFIG_MSM_ENABLE_WDOG_DEBUG_CONTROL=y
 CONFIG_MSM_UARTDM_Core_v14=y
 CONFIG_MSM_BOOT_STATS=y
+CONFIG_MSM_XPU_ERR_FATAL=y
 CONFIG_STRICT_MEMORY_RWX=y
 CONFIG_NO_HZ=y
 CONFIG_HIGH_RES_TIMERS=y
@@ -102,6 +103,7 @@
 CONFIG_CPU_FREQ_GOV_POWERSAVE=y
 CONFIG_CPU_FREQ_GOV_USERSPACE=y
 CONFIG_CPU_FREQ_GOV_ONDEMAND=y
+CONFIG_CPU_FREQ_GOV_INTERACTIVE=y
 CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y
 CONFIG_CPU_IDLE=y
 CONFIG_VFP=y
@@ -354,6 +356,7 @@
 CONFIG_ION=y
 CONFIG_ION_MSM=y
 CONFIG_MSM_KGSL=y
+CONFIG_KGSL_PER_PROCESS_PAGE_TABLE=y
 CONFIG_FB=y
 CONFIG_FB_MSM=y
 # CONFIG_FB_MSM_BACKLIGHT is not set
@@ -395,6 +398,8 @@
 CONFIG_USB_STORAGE_CYPRESS_ATACB=y
 CONFIG_USB_STORAGE_ENE_UB6250=y
 CONFIG_USB_EHSET_TEST_FIXTURE=y
+CONFIG_USB_QCOM_DIAG_BRIDGE=y
+CONFIG_USB_QCOM_KS_BRIDGE=y
 CONFIG_USB_GADGET=y
 CONFIG_USB_GADGET_DEBUG_FILES=y
 CONFIG_USB_CI13XXX_MSM=y
diff --git a/arch/arm/configs/msm9625-perf_defconfig b/arch/arm/configs/msm9625-perf_defconfig
index 42acd99..ae73bad 100644
--- a/arch/arm/configs/msm9625-perf_defconfig
+++ b/arch/arm/configs/msm9625-perf_defconfig
@@ -230,9 +230,6 @@
 CONFIG_REGULATOR_QPNP=y
 CONFIG_ION=y
 CONFIG_ION_MSM=y
-CONFIG_FB=y
-CONFIG_FB_MSM=y
-CONFIG_FB_MSM_QPIC_PANEL_DETECT=y
 CONFIG_SOUND=y
 CONFIG_SND=y
 CONFIG_SND_SOC=y
diff --git a/arch/arm/configs/msm9625_defconfig b/arch/arm/configs/msm9625_defconfig
index 041e89a..f7c3bff 100644
--- a/arch/arm/configs/msm9625_defconfig
+++ b/arch/arm/configs/msm9625_defconfig
@@ -231,9 +231,6 @@
 CONFIG_REGULATOR_QPNP=y
 CONFIG_ION=y
 CONFIG_ION_MSM=y
-CONFIG_FB=y
-CONFIG_FB_MSM=y
-CONFIG_FB_MSM_QPIC_PANEL_DETECT=y
 CONFIG_SOUND=y
 CONFIG_SND=y
 CONFIG_SND_SOC=y
diff --git a/arch/arm/mach-msm/Kconfig b/arch/arm/mach-msm/Kconfig
index a6e6914..a70e6c6 100644
--- a/arch/arm/mach-msm/Kconfig
+++ b/arch/arm/mach-msm/Kconfig
@@ -286,8 +286,8 @@
 	select MSM_RPM_LOG
 	select ARCH_WANT_KMAP_ATOMIC_FLUSH
 
-config ARCH_MSMZINC
-	bool "MSMZINC"
+config ARCH_APQ8084
+	bool "APQ8084"
 	select ARCH_MSM_KRAITMP
 	select GPIO_MSM_V3
 	select ARM_GIC
@@ -437,6 +437,7 @@
 	select CPU_FREQ
 	select CPU_FREQ_GOV_USERSPACE
 	select CPU_FREQ_GOV_ONDEMAND
+	select CPU_FREQ_GOV_POWERSAVE
 	select MSM_PIL
 	select MSM_RUN_QUEUE_STATS
 	select ARM_HAS_SG_CHAIN
@@ -1086,13 +1087,13 @@
 	default "0x80200000" if ARCH_MSM8960
 	default "0x80200000" if ARCH_MSM8930
 	default "0x00000000" if ARCH_MSM8974
-	default "0x00000000" if ARCH_MSMZINC
+	default "0x00000000" if ARCH_APQ8084
 	default "0x00000000" if ARCH_MPQ8092
 	default "0x00000000" if ARCH_MSM8226
 	default "0x00000000" if ARCH_MSM8610
 	default "0x10000000" if ARCH_FSM9XXX
 	default "0x00200000" if ARCH_MSM9625
-	default "0x00200000" if ARCH_MSMKRYPTON
+	default "0x00000000" if ARCH_MSMKRYPTON
 	default "0x00200000" if !MSM_STACKED_MEMORY
 	default "0x00000000" if ARCH_QSD8X50 && MSM_SOC_REV_A
 	default "0x20000000" if ARCH_QSD8X50
@@ -1239,13 +1240,21 @@
                   Say Y here if you want the debug print routines to direct
                   their output to the serial port on MPQ8092 devices.
 
-	config DEBUG_MSMZINC_UART
-                bool "Kernel low-level debugging messages via MSMZINC UART"
-                depends on ARCH_MSMZINC
+	config DEBUG_APQ8084_UART
+                bool "Kernel low-level debugging messages via APQ8084 UART"
+                depends on ARCH_APQ8084
                 select MSM_HAS_DEBUG_UART_HS_V14
                 help
                   Say Y here if you want the debug print routines to direct
-                  their output to the serial port on MSMZINC devices.
+                  their output to the serial port on APQ8084 devices.
+
+	config DEBUG_MSM9625_UART
+                bool "Kernel low-level debugging messages via MSM9625 UART"
+                depends on ARCH_MSM9625
+                select MSM_HAS_DEBUG_UART_HS_V14
+                help
+                  Say Y here if you want the debug print routines to direct
+                  their output to the serial port on MSM9625 devices.
 endchoice
 
 choice
diff --git a/arch/arm/mach-msm/Makefile b/arch/arm/mach-msm/Makefile
index 7c78395..a45f5ec 100644
--- a/arch/arm/mach-msm/Makefile
+++ b/arch/arm/mach-msm/Makefile
@@ -120,7 +120,7 @@
 ifndef CONFIG_ARCH_MSM9625
 ifndef CONFIG_ARCH_MPQ8092
 ifndef CONFIG_ARCH_MSM8610
-ifndef CONFIG_ARCH_MSMZINC
+ifndef CONFIG_ARCH_APQ8084
 ifndef CONFIG_ARCH_MSMKRYPTON
 	obj-y += nand_partitions.o
 endif
@@ -297,7 +297,7 @@
 obj-$(CONFIG_MACH_MPQ8064_DTV) += board-8064-all.o board-8064-regulator.o
 obj-$(CONFIG_ARCH_MSM9615) += board-9615.o devices-9615.o board-9615-regulator.o board-9615-gpiomux.o board-9615-storage.o board-9615-display.o
 obj-$(CONFIG_ARCH_MSM9615) += clock-local.o clock-9615.o acpuclock-9615.o clock-rpm.o clock-pll.o
-obj-$(CONFIG_ARCH_MSMZINC) += board-zinc.o board-zinc-gpiomux.o
+obj-$(CONFIG_ARCH_APQ8084) += board-8084.o board-8084-gpiomux.o
 obj-$(CONFIG_ARCH_MSM8974) += board-8974.o board-8974-gpiomux.o
 obj-$(CONFIG_ARCH_MSM8974) += acpuclock-8974.o
 obj-$(CONFIG_ARCH_MSM8974) += clock-local2.o clock-pll.o clock-8974.o clock-rpm.o clock-voter.o clock-mdss-8974.o
@@ -375,7 +375,7 @@
 obj-$(CONFIG_ARCH_MPQ8092) += gpiomux-v2.o gpiomux.o
 obj-$(CONFIG_ARCH_MSM8226) += gpiomux-v2.o gpiomux.o
 obj-$(CONFIG_ARCH_MSM8610) += gpiomux-v2.o gpiomux.o
-obj-$(CONFIG_ARCH_MSMZINC) += gpiomux-v2.o gpiomux.o
+obj-$(CONFIG_ARCH_APQ8084) += gpiomux-v2.o gpiomux.o
 
 obj-$(CONFIG_MSM_SLEEP_STATS_DEVICE) += idle_stats_device.o
 obj-$(CONFIG_MSM_DCVS) += msm_dcvs_scm.o msm_dcvs.o msm_mpdecision.o
diff --git a/arch/arm/mach-msm/Makefile.boot b/arch/arm/mach-msm/Makefile.boot
index f20f6ae..d57709d 100644
--- a/arch/arm/mach-msm/Makefile.boot
+++ b/arch/arm/mach-msm/Makefile.boot
@@ -57,13 +57,14 @@
         dtb-$(CONFIG_ARCH_MSM8974)	+= msm8974-v2-fluid.dtb
         dtb-$(CONFIG_ARCH_MSM8974)	+= msm8974-v2-liquid.dtb
         dtb-$(CONFIG_ARCH_MSM8974)	+= msm8974-v2-mtp.dtb
+        dtb-$(CONFIG_ARCH_MSM8974)	+= apq8074-v2-liquid.dtb
 
-# MSMZINC
-   zreladdr-$(CONFIG_ARCH_MSMZINC)	:= 0x00008000
-        dtb-$(CONFIG_ARCH_MSMZINC)	+= msmzinc-sim.dtb
+# APQ8084
+   zreladdr-$(CONFIG_ARCH_APQ8084)	:= 0x00008000
+        dtb-$(CONFIG_ARCH_APQ8084)	+= apq8084-sim.dtb
 
 # MSMKRYPTON
-   zreladdr-$(CONFIG_ARCH_MSMKRYPTON)	:= 0x00208000
+   zreladdr-$(CONFIG_ARCH_MSMKRYPTON)	:= 0x00008000
 	dtb-$(CONFIG_ARCH_MSMKRYPTON)	+= msmkrypton-sim.dtb
 
 # MSM9615
@@ -76,8 +77,8 @@
         dtb-$(CONFIG_ARCH_MSM9625)	+= msm9625-v1-rumi.dtb
 	dtb-$(CONFIG_ARCH_MSM9625)      += msm9625-v2-cdp.dtb
 	dtb-$(CONFIG_ARCH_MSM9625)      += msm9625-v2-mtp.dtb
-	dtb-$(CONFIG_ARCH_MSM9625)      += msm9625-v2-1-mtp.dtb
-	dtb-$(CONFIG_ARCH_MSM9625)      += msm9625-v2-1-cdp.dtb
+	dtb-$(CONFIG_ARCH_MSM9625)      += msm9625-v2.1-mtp.dtb
+	dtb-$(CONFIG_ARCH_MSM9625)      += msm9625-v2.1-cdp.dtb
 
 # MSM8226
    zreladdr-$(CONFIG_ARCH_MSM8226)	:= 0x00008000
diff --git a/arch/arm/mach-msm/acpuclock-8226.c b/arch/arm/mach-msm/acpuclock-8226.c
index 799d629..ee4bd7c 100644
--- a/arch/arm/mach-msm/acpuclock-8226.c
+++ b/arch/arm/mach-msm/acpuclock-8226.c
@@ -26,12 +26,13 @@
 #include <mach/msm_bus.h>
 #include <mach/msm_bus_board.h>
 #include <mach/rpm-regulator-smd.h>
+#include <mach/socinfo.h>
 
 #include "acpuclock-cortex.h"
 
 #define RCG_CONFIG_UPDATE_BIT		BIT(0)
 
-static struct msm_bus_paths bw_level_tbl[] = {
+static struct msm_bus_paths bw_level_tbl_8226[] = {
 	[0] =  BW_MBPS(152), /* At least 19 MHz on bus. */
 	[1] =  BW_MBPS(300), /* At least 37.5 MHz on bus. */
 	[2] =  BW_MBPS(400), /* At least 50 MHz on bus. */
@@ -42,9 +43,18 @@
 	[7] = BW_MBPS(4264), /* At least 533 MHz on bus. */
 };
 
+static struct msm_bus_paths bw_level_tbl_8610[] = {
+	[0] =  BW_MBPS(152), /* At least 19 MHz on bus. */
+	[1] =  BW_MBPS(300), /* At least 37.5 MHz on bus. */
+	[2] =  BW_MBPS(400), /* At least 50 MHz on bus. */
+	[3] =  BW_MBPS(800), /* At least 100 MHz on bus. */
+	[4] = BW_MBPS(1600), /* At least 200 MHz on bus. */
+	[5] = BW_MBPS(2128), /* At least 266 MHz on bus. */
+};
+
 static struct msm_bus_scale_pdata bus_client_pdata = {
-	.usecase = bw_level_tbl,
-	.num_usecases = ARRAY_SIZE(bw_level_tbl),
+	.usecase = bw_level_tbl_8226,
+	.num_usecases = ARRAY_SIZE(bw_level_tbl_8226),
 	.active_only = 1,
 	.name = "acpuclock",
 };
@@ -54,23 +64,33 @@
  * 2) Update bus bandwidth
  * 3) Depending on Frodo version, may need minimum of LVL_NOM
  */
-static struct clkctl_acpu_speed acpu_freq_tbl[] = {
-	{ 0,   19200, CXO,     0, 0,   CPR_CORNER_SVS,   1150000, 0 },
-	{ 1,  300000, PLL0,    4, 2,   CPR_CORNER_SVS,   1150000, 4 },
-	{ 1,  384000, ACPUPLL, 5, 0,   CPR_CORNER_SVS,   1150000, 4 },
-	{ 1,  600000, PLL0,    4, 0,   CPR_CORNER_NORMAL,   1150000, 6 },
-	{ 1,  787200, ACPUPLL, 5, 0,   CPR_CORNER_NORMAL,   1150000, 7 },
-	{ 0,  998400, ACPUPLL, 5, 0,   CPR_CORNER_TURBO,   1150000, 7 },
-	{ 0, 1190400, ACPUPLL, 5, 0,   CPR_CORNER_TURBO,   1150000, 7 },
+static struct clkctl_acpu_speed acpu_freq_tbl_8226[] = {
+	{ 0,   19200, CXO,     0, 0,   CPR_CORNER_SVS,    0, 0 },
+	{ 1,  300000, PLL0,    4, 2,   CPR_CORNER_SVS,    0, 4 },
+	{ 1,  384000, ACPUPLL, 5, 0,   CPR_CORNER_SVS,    0, 4 },
+	{ 1,  600000, PLL0,    4, 0,   CPR_CORNER_NORMAL, 0, 6 },
+	{ 1,  787200, ACPUPLL, 5, 0,   CPR_CORNER_NORMAL, 0, 7 },
+	{ 0,  998400, ACPUPLL, 5, 0,   CPR_CORNER_TURBO,  0, 7 },
+	{ 0, 1190400, ACPUPLL, 5, 0,   CPR_CORNER_TURBO,  0, 7 },
+	{ 0 }
+};
+
+static struct clkctl_acpu_speed acpu_freq_tbl_8610[] = {
+	{ 0,   19200, CXO,     0, 0,   CPR_CORNER_SVS,    0, 0 },
+	{ 1,  300000, PLL0,    4, 2,   CPR_CORNER_SVS,    0, 3 },
+	{ 1,  384000, ACPUPLL, 5, 0,   CPR_CORNER_SVS,    0, 3 },
+	{ 1,  600000, PLL0,    4, 0,   CPR_CORNER_NORMAL, 0, 4 },
+	{ 1,  787200, ACPUPLL, 5, 0,   CPR_CORNER_NORMAL, 0, 4 },
+	{ 0,  998400, ACPUPLL, 5, 0,   CPR_CORNER_TURBO,  0, 5 },
+	{ 0, 1190400, ACPUPLL, 5, 0,   CPR_CORNER_TURBO,  0, 5 },
 	{ 0 }
 };
 
 static struct acpuclk_drv_data drv_data = {
-	.freq_tbl = acpu_freq_tbl,
+	.freq_tbl = acpu_freq_tbl_8226,
 	.current_speed = &(struct clkctl_acpu_speed){ 0 },
 	.bus_scale = &bus_client_pdata,
 	.vdd_max_cpu = CPR_CORNER_TURBO,
-	.vdd_max_mem = 1150000,
 	.src_clocks = {
 		[PLL0].name = "gpll0",
 		[ACPUPLL].name = "a7sspll",
@@ -109,12 +129,6 @@
 		return PTR_ERR(drv_data.vdd_cpu);
 	}
 
-	drv_data.vdd_mem = devm_regulator_get(&pdev->dev, "a7_mem");
-	if (IS_ERR(drv_data.vdd_mem)) {
-		dev_err(&pdev->dev, "regulator for %s get failed\n", "a7_mem");
-		return PTR_ERR(drv_data.vdd_mem);
-	}
-
 	for (i = 0; i < NUM_SRC; i++) {
 		if (!drv_data.src_clocks[i].name)
 			continue;
@@ -146,8 +160,18 @@
 	},
 };
 
+void msm8610_acpu_init(void)
+{
+	drv_data.bus_scale->usecase = bw_level_tbl_8610;
+	drv_data.bus_scale->num_usecases = ARRAY_SIZE(bw_level_tbl_8610);
+	drv_data.freq_tbl = acpu_freq_tbl_8610;
+}
+
 static int __init acpuclk_a7_init(void)
 {
+	if (cpu_is_msm8610())
+		msm8610_acpu_init();
+
 	return platform_driver_probe(&acpuclk_a7_driver, acpuclk_a7_probe);
 }
 device_initcall(acpuclk_a7_init);
diff --git a/arch/arm/mach-msm/acpuclock-8960ab.c b/arch/arm/mach-msm/acpuclock-8960ab.c
index 38658a2..0fa2cde 100644
--- a/arch/arm/mach-msm/acpuclock-8960ab.c
+++ b/arch/arm/mach-msm/acpuclock-8960ab.c
@@ -109,12 +109,12 @@
 
 static struct acpu_level freq_tbl_PVS0[] __initdata = {
 	{ 1, {   384000, PLL_8, 0, 0x00 }, L2(0),   950000, AVS(0x70001F) },
-	{ 1, {   486000, HFPLL, 2, 0x24 }, L2(3),   950000, AVS(0x0) },
-	{ 1, {   594000, HFPLL, 1, 0x16 }, L2(3),   975000, AVS(0x0) },
-	{ 1, {   702000, HFPLL, 1, 0x1A }, L2(3),  1000000, AVS(0x0) },
-	{ 1, {   810000, HFPLL, 1, 0x1E }, L2(3),  1025000, AVS(0x0) },
-	{ 1, {   918000, HFPLL, 1, 0x22 }, L2(3),  1050000, AVS(0x0) },
-	{ 1, {  1026000, HFPLL, 1, 0x26 }, L2(3),  1075000, AVS(0x0) },
+	{ 1, {   486000, HFPLL, 2, 0x24 }, L2(4),   950000, AVS(0x0) },
+	{ 1, {   594000, HFPLL, 1, 0x16 }, L2(4),   975000, AVS(0x0) },
+	{ 1, {   702000, HFPLL, 1, 0x1A }, L2(4),  1000000, AVS(0x0) },
+	{ 1, {   810000, HFPLL, 1, 0x1E }, L2(4),  1025000, AVS(0x0) },
+	{ 1, {   918000, HFPLL, 1, 0x22 }, L2(4),  1050000, AVS(0x0) },
+	{ 1, {  1026000, HFPLL, 1, 0x26 }, L2(4),  1075000, AVS(0x0) },
 	{ 1, {  1134000, HFPLL, 1, 0x2A }, L2(9),  1100000, AVS(0x70000D) },
 	{ 1, {  1242000, HFPLL, 1, 0x2E }, L2(9),  1125000, AVS(0x0) },
 	{ 1, {  1350000, HFPLL, 1, 0x32 }, L2(9),  1150000, AVS(0x0) },
@@ -127,12 +127,12 @@
 
 static struct acpu_level freq_tbl_PVS1[] __initdata = {
 	{ 1, {   384000, PLL_8, 0, 0x00 }, L2(0),   925000, AVS(0x70001F) },
-	{ 1, {   486000, HFPLL, 2, 0x24 }, L2(3),   925000, AVS(0x0) },
-	{ 1, {   594000, HFPLL, 1, 0x16 }, L2(3),   950000, AVS(0x0) },
-	{ 1, {   702000, HFPLL, 1, 0x1A }, L2(3),   975000, AVS(0x0) },
-	{ 1, {   810000, HFPLL, 1, 0x1E }, L2(3),  1000000, AVS(0x0) },
-	{ 1, {   918000, HFPLL, 1, 0x22 }, L2(3),  1025000, AVS(0x0) },
-	{ 1, {  1026000, HFPLL, 1, 0x26 }, L2(3),  1050000, AVS(0x0) },
+	{ 1, {   486000, HFPLL, 2, 0x24 }, L2(4),   925000, AVS(0x0) },
+	{ 1, {   594000, HFPLL, 1, 0x16 }, L2(4),   950000, AVS(0x0) },
+	{ 1, {   702000, HFPLL, 1, 0x1A }, L2(4),   975000, AVS(0x0) },
+	{ 1, {   810000, HFPLL, 1, 0x1E }, L2(4),  1000000, AVS(0x0) },
+	{ 1, {   918000, HFPLL, 1, 0x22 }, L2(4),  1025000, AVS(0x0) },
+	{ 1, {  1026000, HFPLL, 1, 0x26 }, L2(4),  1050000, AVS(0x0) },
 	{ 1, {  1134000, HFPLL, 1, 0x2A }, L2(9),  1075000, AVS(0x70000D) },
 	{ 1, {  1242000, HFPLL, 1, 0x2E }, L2(9),  1100000, AVS(0x0) },
 	{ 1, {  1350000, HFPLL, 1, 0x32 }, L2(9),  1125000, AVS(0x0) },
@@ -145,12 +145,12 @@
 
 static struct acpu_level freq_tbl_PVS2[] __initdata = {
 	{ 1, {   384000, PLL_8, 0, 0x00 }, L2(0),   900000, AVS(0x70001F) },
-	{ 1, {   486000, HFPLL, 2, 0x24 }, L2(3),   900000, AVS(0x0) },
-	{ 1, {   594000, HFPLL, 1, 0x16 }, L2(3),   925000, AVS(0x0) },
-	{ 1, {   702000, HFPLL, 1, 0x1A }, L2(3),   950000, AVS(0x0) },
-	{ 1, {   810000, HFPLL, 1, 0x1E }, L2(3),   975000, AVS(0x0) },
-	{ 1, {   918000, HFPLL, 1, 0x22 }, L2(3),  1000000, AVS(0x0) },
-	{ 1, {  1026000, HFPLL, 1, 0x26 }, L2(3),  1025000, AVS(0x0) },
+	{ 1, {   486000, HFPLL, 2, 0x24 }, L2(4),   900000, AVS(0x0) },
+	{ 1, {   594000, HFPLL, 1, 0x16 }, L2(4),   925000, AVS(0x0) },
+	{ 1, {   702000, HFPLL, 1, 0x1A }, L2(4),   950000, AVS(0x0) },
+	{ 1, {   810000, HFPLL, 1, 0x1E }, L2(4),   975000, AVS(0x0) },
+	{ 1, {   918000, HFPLL, 1, 0x22 }, L2(4),  1000000, AVS(0x0) },
+	{ 1, {  1026000, HFPLL, 1, 0x26 }, L2(4),  1025000, AVS(0x0) },
 	{ 1, {  1134000, HFPLL, 1, 0x2A }, L2(9),  1050000, AVS(0x70000D) },
 	{ 1, {  1242000, HFPLL, 1, 0x2E }, L2(9),  1075000, AVS(0x0) },
 	{ 1, {  1350000, HFPLL, 1, 0x32 }, L2(9),  1100000, AVS(0x0) },
@@ -163,12 +163,12 @@
 
 static struct acpu_level freq_tbl_PVS3[] __initdata = {
 	{ 1, {   384000, PLL_8, 0, 0x00 }, L2(0),   900000, AVS(0x70001F) },
-	{ 1, {   486000, HFPLL, 2, 0x24 }, L2(3),   900000, AVS(0x0) },
-	{ 1, {   594000, HFPLL, 1, 0x16 }, L2(3),   900000, AVS(0x0) },
-	{ 1, {   702000, HFPLL, 1, 0x1A }, L2(3),   925000, AVS(0x0) },
-	{ 1, {   810000, HFPLL, 1, 0x1E }, L2(3),   950000, AVS(0x0) },
-	{ 1, {   918000, HFPLL, 1, 0x22 }, L2(3),   975000, AVS(0x0) },
-	{ 1, {  1026000, HFPLL, 1, 0x26 }, L2(3),  1000000, AVS(0x0) },
+	{ 1, {   486000, HFPLL, 2, 0x24 }, L2(4),   900000, AVS(0x0) },
+	{ 1, {   594000, HFPLL, 1, 0x16 }, L2(4),   900000, AVS(0x0) },
+	{ 1, {   702000, HFPLL, 1, 0x1A }, L2(4),   925000, AVS(0x0) },
+	{ 1, {   810000, HFPLL, 1, 0x1E }, L2(4),   950000, AVS(0x0) },
+	{ 1, {   918000, HFPLL, 1, 0x22 }, L2(4),   975000, AVS(0x0) },
+	{ 1, {  1026000, HFPLL, 1, 0x26 }, L2(4),  1000000, AVS(0x0) },
 	{ 1, {  1134000, HFPLL, 1, 0x2A }, L2(9),  1025000, AVS(0x70000D) },
 	{ 1, {  1242000, HFPLL, 1, 0x2E }, L2(9),  1050000, AVS(0x0) },
 	{ 1, {  1350000, HFPLL, 1, 0x32 }, L2(9),  1075000, AVS(0x0) },
@@ -181,12 +181,12 @@
 
 static struct acpu_level freq_tbl_PVS4[] __initdata = {
 	{ 1, {   384000, PLL_8, 0, 0x00 }, L2(0),   875000, AVS(0x70001F) },
-	{ 1, {   486000, HFPLL, 2, 0x24 }, L2(3),   875000, AVS(0x0) },
-	{ 1, {   594000, HFPLL, 1, 0x16 }, L2(3),   875000, AVS(0x0) },
-	{ 1, {   702000, HFPLL, 1, 0x1A }, L2(3),   900000, AVS(0x0) },
-	{ 1, {   810000, HFPLL, 1, 0x1E }, L2(3),   925000, AVS(0x0) },
-	{ 1, {   918000, HFPLL, 1, 0x22 }, L2(3),   950000, AVS(0x0) },
-	{ 1, {  1026000, HFPLL, 1, 0x26 }, L2(3),   975000, AVS(0x0) },
+	{ 1, {   486000, HFPLL, 2, 0x24 }, L2(4),   875000, AVS(0x0) },
+	{ 1, {   594000, HFPLL, 1, 0x16 }, L2(4),   875000, AVS(0x0) },
+	{ 1, {   702000, HFPLL, 1, 0x1A }, L2(4),   900000, AVS(0x0) },
+	{ 1, {   810000, HFPLL, 1, 0x1E }, L2(4),   925000, AVS(0x0) },
+	{ 1, {   918000, HFPLL, 1, 0x22 }, L2(4),   950000, AVS(0x0) },
+	{ 1, {  1026000, HFPLL, 1, 0x26 }, L2(4),   975000, AVS(0x0) },
 	{ 1, {  1134000, HFPLL, 1, 0x2A }, L2(9),  1000000, AVS(0x70000D) },
 	{ 1, {  1242000, HFPLL, 1, 0x2E }, L2(9),  1025000, AVS(0x0) },
 	{ 1, {  1350000, HFPLL, 1, 0x32 }, L2(9),  1050000, AVS(0x0) },
@@ -199,12 +199,12 @@
 
 static struct acpu_level freq_tbl_PVS5[] __initdata = {
 	{ 1, {   384000, PLL_8, 0, 0x00 }, L2(0),   875000, AVS(0x70001F) },
-	{ 1, {   486000, HFPLL, 2, 0x24 }, L2(3),   875000, AVS(0x0) },
-	{ 1, {   594000, HFPLL, 1, 0x16 }, L2(3),   875000, AVS(0x0) },
-	{ 1, {   702000, HFPLL, 1, 0x1A }, L2(3),   875000, AVS(0x0) },
-	{ 1, {   810000, HFPLL, 1, 0x1E }, L2(3),   900000, AVS(0x0) },
-	{ 1, {   918000, HFPLL, 1, 0x22 }, L2(3),   925000, AVS(0x0) },
-	{ 1, {  1026000, HFPLL, 1, 0x26 }, L2(3),   950000, AVS(0x0) },
+	{ 1, {   486000, HFPLL, 2, 0x24 }, L2(4),   875000, AVS(0x0) },
+	{ 1, {   594000, HFPLL, 1, 0x16 }, L2(4),   875000, AVS(0x0) },
+	{ 1, {   702000, HFPLL, 1, 0x1A }, L2(4),   875000, AVS(0x0) },
+	{ 1, {   810000, HFPLL, 1, 0x1E }, L2(4),   900000, AVS(0x0) },
+	{ 1, {   918000, HFPLL, 1, 0x22 }, L2(4),   925000, AVS(0x0) },
+	{ 1, {  1026000, HFPLL, 1, 0x26 }, L2(4),   950000, AVS(0x0) },
 	{ 1, {  1134000, HFPLL, 1, 0x2A }, L2(9),   975000, AVS(0x70000D) },
 	{ 1, {  1242000, HFPLL, 1, 0x2E }, L2(9),  1000000, AVS(0x0) },
 	{ 1, {  1350000, HFPLL, 1, 0x32 }, L2(9),  1025000, AVS(0x0) },
@@ -217,12 +217,12 @@
 
 static struct acpu_level freq_tbl_PVS6[] __initdata = {
 	{ 1, {   384000, PLL_8, 0, 0x00 }, L2(0),   850000, AVS(0x70001F) },
-	{ 1, {   486000, HFPLL, 2, 0x24 }, L2(3),   850000, AVS(0x0) },
-	{ 1, {   594000, HFPLL, 1, 0x16 }, L2(3),   850000, AVS(0x0) },
-	{ 1, {   702000, HFPLL, 1, 0x1A }, L2(3),   850000, AVS(0x0) },
-	{ 1, {   810000, HFPLL, 1, 0x1E }, L2(3),   875000, AVS(0x0) },
-	{ 1, {   918000, HFPLL, 1, 0x22 }, L2(3),   900000, AVS(0x0) },
-	{ 1, {  1026000, HFPLL, 1, 0x26 }, L2(3),   925000, AVS(0x0) },
+	{ 1, {   486000, HFPLL, 2, 0x24 }, L2(4),   850000, AVS(0x0) },
+	{ 1, {   594000, HFPLL, 1, 0x16 }, L2(4),   850000, AVS(0x0) },
+	{ 1, {   702000, HFPLL, 1, 0x1A }, L2(4),   850000, AVS(0x0) },
+	{ 1, {   810000, HFPLL, 1, 0x1E }, L2(4),   875000, AVS(0x0) },
+	{ 1, {   918000, HFPLL, 1, 0x22 }, L2(4),   900000, AVS(0x0) },
+	{ 1, {  1026000, HFPLL, 1, 0x26 }, L2(4),   925000, AVS(0x0) },
 	{ 1, {  1134000, HFPLL, 1, 0x2A }, L2(9),   950000, AVS(0x70000D) },
 	{ 1, {  1242000, HFPLL, 1, 0x2E }, L2(9),   975000, AVS(0x0) },
 	{ 1, {  1350000, HFPLL, 1, 0x32 }, L2(9),  1000000, AVS(0x0) },
diff --git a/arch/arm/mach-msm/acpuclock-cortex.c b/arch/arm/mach-msm/acpuclock-cortex.c
index 74ca145..0c80a56 100644
--- a/arch/arm/mach-msm/acpuclock-cortex.c
+++ b/arch/arm/mach-msm/acpuclock-cortex.c
@@ -66,11 +66,17 @@
 {
 	int rc = 0;
 
-	/* Increase vdd_mem before vdd_cpu. vdd_mem should be >= vdd_cpu. */
-	rc = regulator_set_voltage(priv->vdd_mem, vdd_mem, priv->vdd_max_mem);
-	if (rc) {
-		pr_err("vdd_mem increase failed (%d)\n", rc);
-		return rc;
+	if (priv->vdd_mem) {
+		/*
+		 * Increase vdd_mem before vdd_cpu. vdd_mem should
+		 * be >= vdd_cpu.
+		 */
+		rc = regulator_set_voltage(priv->vdd_mem, vdd_mem,
+						priv->vdd_max_mem);
+		if (rc) {
+			pr_err("vdd_mem increase failed (%d)\n", rc);
+			return rc;
+		}
 	}
 
 	rc = regulator_set_voltage(priv->vdd_cpu, vdd_cpu, priv->vdd_max_cpu);
@@ -92,6 +98,9 @@
 		return;
 	}
 
+	if (!priv->vdd_mem)
+		return;
+
 	/* Decrease vdd_mem after vdd_cpu. vdd_mem should be >= vdd_cpu. */
 	ret = regulator_set_voltage(priv->vdd_mem, vdd_mem, priv->vdd_max_mem);
 	if (ret)
@@ -129,12 +138,26 @@
 		pr_warn("acpu rcg didn't update its configuration\n");
 }
 
-/*
- * This function can be called in both atomic and nonatomic context.
- * Since regulator APIS can sleep, we cannot always use the clk prepare
- * unprepare API.
- */
-static int set_speed(struct clkctl_acpu_speed *tgt_s, bool atomic)
+static int set_speed_atomic(struct clkctl_acpu_speed *tgt_s)
+{
+	struct clkctl_acpu_speed *strt_s = priv->current_speed;
+	struct clk *strt = priv->src_clocks[strt_s->src].clk;
+	struct clk *tgt = priv->src_clocks[tgt_s->src].clk;
+	int rc = 0;
+
+	WARN(strt_s->src == ACPUPLL && tgt_s->src == ACPUPLL,
+		"can't reprogram ACPUPLL during atomic context\n");
+	rc = clk_enable(tgt);
+	if (rc)
+		return rc;
+
+	select_clk_source_div(priv, tgt_s);
+	clk_disable(strt);
+
+	return rc;
+}
+
+static int set_speed(struct clkctl_acpu_speed *tgt_s)
 {
 	int rc = 0;
 	unsigned int tgt_freq_hz = tgt_s->khz * 1000;
@@ -148,19 +171,13 @@
 		select_clk_source_div(priv, cxo_s);
 
 		/* Re-program acpu pll */
-		if (atomic)
-			clk_disable(tgt);
-		else
-			clk_disable_unprepare(tgt);
+		clk_disable_unprepare(tgt);
 
 		rc = clk_set_rate(tgt, tgt_freq_hz);
 		if (rc)
 			pr_err("Failed to set ACPU PLL to %u\n", tgt_freq_hz);
 
-		if (atomic)
-			BUG_ON(clk_enable(tgt));
-		else
-			BUG_ON(clk_prepare_enable(tgt));
+		BUG_ON(clk_prepare_enable(tgt));
 
 		/* Switch back to acpu pll */
 		select_clk_source_div(priv, tgt_s);
@@ -172,10 +189,7 @@
 			return rc;
 		}
 
-		if (atomic)
-			rc = clk_enable(tgt);
-		else
-			rc = clk_prepare_enable(tgt);
+		rc = clk_prepare_enable(tgt);
 
 		if (rc) {
 			pr_err("ACPU PLL enable failed\n");
@@ -184,16 +198,10 @@
 
 		select_clk_source_div(priv, tgt_s);
 
-		if (atomic)
-			clk_disable(strt);
-		else
-			clk_disable_unprepare(strt);
+		clk_disable_unprepare(strt);
 
 	} else {
-		if (atomic)
-			rc = clk_enable(tgt);
-		else
-			rc = clk_prepare_enable(tgt);
+		rc = clk_prepare_enable(tgt);
 
 		if (rc) {
 			pr_err("%s enable failed\n",
@@ -203,10 +211,7 @@
 
 		select_clk_source_div(priv, tgt_s);
 
-		if (atomic)
-			clk_disable(strt);
-		else
-			clk_disable_unprepare(strt);
+		clk_disable_unprepare(strt);
 
 	}
 
@@ -250,9 +255,9 @@
 
 	/* Switch CPU speed. Flag indicates atomic context */
 	if (reason == SETRATE_CPUFREQ || reason == SETRATE_INIT)
-		rc = set_speed(tgt_s, false);
+		rc = set_speed(tgt_s);
 	else
-		rc = set_speed(tgt_s, true);
+		rc = set_speed_atomic(tgt_s);
 
 	if (rc)
 		goto out;
@@ -347,10 +352,12 @@
 	if (rc)
 		goto err_vdd;
 
-	rc = regulator_enable(priv->vdd_mem);
-	if (rc) {
-		dev_err(&pdev->dev, "regulator_enable for mem failed\n");
-		goto err_vdd;
+	if (priv->vdd_mem) {
+		rc = regulator_enable(priv->vdd_mem);
+		if (rc) {
+			dev_err(&pdev->dev, "regulator_enable for mem failed\n");
+			goto err_vdd;
+		}
 	}
 
 	rc = regulator_enable(priv->vdd_cpu);
@@ -373,7 +380,8 @@
 	return 0;
 
 err_vdd_cpu:
-	regulator_disable(priv->vdd_mem);
+	if (priv->vdd_mem)
+		regulator_disable(priv->vdd_mem);
 err_vdd:
 	return rc;
 }
diff --git a/arch/arm/mach-msm/bam_dmux.c b/arch/arm/mach-msm/bam_dmux.c
index a0644e6..bed794b 100644
--- a/arch/arm/mach-msm/bam_dmux.c
+++ b/arch/arm/mach-msm/bam_dmux.c
@@ -913,8 +913,10 @@
 	if (!bam_is_connected) {
 		read_unlock(&ul_wakeup_lock);
 		ul_wakeup();
-		if (unlikely(in_global_reset == 1))
+		if (unlikely(in_global_reset == 1)) {
+			kfree(hdr);
 			return -EFAULT;
+		}
 		read_lock(&ul_wakeup_lock);
 		notify_all(BAM_DMUX_UL_CONNECTED, (unsigned long)(NULL));
 	}
@@ -1384,12 +1386,11 @@
 	struct list_head *temp;
 	struct outside_notify_func *func;
 
+	BAM_DMUX_LOG("%s: event=%d, data=%lu\n", __func__, event, data);
+
 	for (i = 0; i < BAM_DMUX_NUM_CHANNELS; ++i) {
-		if (bam_ch_is_open(i)) {
+		if (bam_ch_is_open(i))
 			bam_ch[i].notify(bam_ch[i].priv, event, data);
-			BAM_DMUX_LOG("%s: cid=%d, event=%d, data=%lu\n",
-					__func__, i, event, data);
-		}
 	}
 
 	__list_for_each(temp, &bam_other_notify_funcs) {
@@ -1756,10 +1757,13 @@
 	/* in_ssr documentation/assumptions found in restart_notifier_cb */
 	if (!power_management_only_mode) {
 		if (likely(!in_ssr)) {
+			BAM_DMUX_LOG("%s: disconnect tx\n", __func__);
 			sps_disconnect(bam_tx_pipe);
+			BAM_DMUX_LOG("%s: disconnect rx\n", __func__);
 			sps_disconnect(bam_rx_pipe);
 			__memzero(rx_desc_mem_buf.base, rx_desc_mem_buf.size);
 			__memzero(tx_desc_mem_buf.base, tx_desc_mem_buf.size);
+			BAM_DMUX_LOG("%s: device reset\n", __func__);
 			sps_device_reset(a2_device_handle);
 		} else {
 			ssr_skipped_disconnect = 1;
diff --git a/arch/arm/mach-msm/board-8064.c b/arch/arm/mach-msm/board-8064.c
index 0fe94d5..f969e31 100644
--- a/arch/arm/mach-msm/board-8064.c
+++ b/arch/arm/mach-msm/board-8064.c
@@ -437,7 +437,7 @@
 
 			if (fixed_position != NOT_FIXED)
 				fixed_size += heap->size;
-			else
+			else if (!use_cma)
 				reserve_mem_for_ion(MEMTYPE_EBI1, heap->size);
 
 			if (fixed_position == FIXED_LOW) {
@@ -3585,6 +3585,18 @@
 	if (socinfo_get_pmic_model() == PMIC_MODEL_PM8917)
 		apq8064_pm8917_pdata_fixup();
 	platform_device_register(&msm_gpio_device);
+	if (cpu_is_apq8064ab())
+		apq8064ab_update_krait_spm();
+	if (cpu_is_krait_v3()) {
+		struct msm_pm_init_data_type *pdata =
+		msm8064_pm_8x60.dev.platform_data;
+		pdata->retention_calls_tz = false;
+		apq8064ab_update_retention_spm();
+	}
+	platform_device_register(&msm8064_pm_8x60);
+
+	msm_spm_init(msm_spm_data, ARRAY_SIZE(msm_spm_data));
+	msm_spm_l2_init(msm_spm_l2_data);
 	msm_tsens_early_init(&apq_tsens_pdata);
 	msm_thermal_init(&msm_thermal_pdata);
 	if (socinfo_init() < 0)
@@ -3699,18 +3711,6 @@
 		apq8064_init_dsps();
 		platform_device_register(&msm_8960_riva);
 	}
-	if (cpu_is_apq8064ab())
-		apq8064ab_update_krait_spm();
-	if (cpu_is_krait_v3()) {
-		struct msm_pm_init_data_type *pdata =
-			msm8064_pm_8x60.dev.platform_data;
-		pdata->retention_calls_tz = false;
-		apq8064ab_update_retention_spm();
-	}
-	platform_device_register(&msm8064_pm_8x60);
-
-	msm_spm_init(msm_spm_data, ARRAY_SIZE(msm_spm_data));
-	msm_spm_l2_init(msm_spm_l2_data);
 	BUG_ON(msm_pm_boot_init(&msm_pm_boot_pdata));
 	apq8064_epm_adc_init();
 }
diff --git a/arch/arm/mach-msm/board-zinc-gpiomux.c b/arch/arm/mach-msm/board-8084-gpiomux.c
similarity index 94%
rename from arch/arm/mach-msm/board-zinc-gpiomux.c
rename to arch/arm/mach-msm/board-8084-gpiomux.c
index ac4daa8..8d5bb49 100644
--- a/arch/arm/mach-msm/board-zinc-gpiomux.c
+++ b/arch/arm/mach-msm/board-8084-gpiomux.c
@@ -17,7 +17,7 @@
 #include <mach/board.h>
 #include <mach/gpiomux.h>
 
-void __init msmzinc_init_gpiomux(void)
+void __init apq8084_init_gpiomux(void)
 {
 	int rc;
 
diff --git a/arch/arm/mach-msm/board-8084.c b/arch/arm/mach-msm/board-8084.c
new file mode 100644
index 0000000..e45266e
--- /dev/null
+++ b/arch/arm/mach-msm/board-8084.c
@@ -0,0 +1,141 @@
+/* Copyright (c) 2013, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * 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.
+ */
+
+#include <linux/err.h>
+#include <linux/kernel.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/of_platform.h>
+#include <linux/memory.h>
+#include <asm/hardware/gic.h>
+#include <asm/mach/map.h>
+#include <asm/mach/arch.h>
+#include <mach/board.h>
+#include <mach/gpiomux.h>
+#include <mach/msm_iomap.h>
+#include <mach/msm_memtypes.h>
+#include <mach/msm_smd.h>
+#include <mach/restart.h>
+#include <mach/socinfo.h>
+#include <mach/clk-provider.h>
+#include "board-dt.h"
+#include "clock.h"
+#include "devices.h"
+#include "platsmp.h"
+
+static struct memtype_reserve apq8084_reserve_table[] __initdata = {
+	[MEMTYPE_SMI] = {
+	},
+	[MEMTYPE_EBI0] = {
+		.flags  =       MEMTYPE_FLAGS_1M_ALIGN,
+	},
+	[MEMTYPE_EBI1] = {
+		.flags  =       MEMTYPE_FLAGS_1M_ALIGN,
+	},
+};
+
+static int apq8084_paddr_to_memtype(phys_addr_t paddr)
+{
+	return MEMTYPE_EBI1;
+}
+
+static struct reserve_info apq8084_reserve_info __initdata = {
+	.memtype_reserve_table = apq8084_reserve_table,
+	.paddr_to_memtype = apq8084_paddr_to_memtype,
+};
+
+static struct of_dev_auxdata apq8084_auxdata_lookup[] __initdata = {
+	OF_DEV_AUXDATA("qcom,msm-sdcc", 0xF9824000, \
+			"msm_sdcc.1", NULL),
+	OF_DEV_AUXDATA("qcom,msm-sdcc", 0xF98A4000, \
+			"msm_sdcc.2", NULL),
+	{}
+};
+
+void __init apq8084_reserve(void)
+{
+	reserve_info = &apq8084_reserve_info;
+	of_scan_flat_dt(dt_scan_for_memory_reserve, apq8084_reserve_table);
+	msm_reserve();
+}
+
+static void __init apq8084_early_memory(void)
+{
+	reserve_info = &apq8084_reserve_info;
+	of_scan_flat_dt(dt_scan_for_memory_hole, apq8084_reserve_table);
+}
+
+static struct clk_lookup msm_clocks_dummy[] = {
+	CLK_DUMMY("core_clk",   BLSP1_UART_CLK, "f991f000.serial", OFF),
+	CLK_DUMMY("iface_clk",  BLSP1_UART_CLK, "f991f000.serial", OFF),
+	CLK_DUMMY("core_clk",	SDC1_CLK,	"msm_sdcc.1", OFF),
+	CLK_DUMMY("iface_clk",	SDC1_P_CLK,	"msm_sdcc.1", OFF),
+	CLK_DUMMY("core_clk",	SDC2_CLK,	"msm_sdcc.2", OFF),
+	CLK_DUMMY("iface_clk",	SDC2_P_CLK,	"msm_sdcc.2", OFF),
+};
+
+static struct clock_init_data msm_dummy_clock_init_data __initdata = {
+	.table = msm_clocks_dummy,
+	.size = ARRAY_SIZE(msm_clocks_dummy),
+};
+
+/*
+ * Used to satisfy dependencies for devices that need to be
+ * run early or in a particular order. Most likely your device doesn't fall
+ * into this category, and thus the driver should not be added here. The
+ * EPROBE_DEFER can satisfy most dependency problems.
+ */
+void __init apq8084_add_drivers(void)
+{
+	msm_smd_init();
+	msm_clock_init(&msm_dummy_clock_init_data);
+}
+
+static void __init apq8084_map_io(void)
+{
+	msm_map_8084_io();
+}
+
+void __init apq8084_init(void)
+{
+	struct of_dev_auxdata *adata = apq8084_auxdata_lookup;
+
+	if (socinfo_init() < 0)
+		pr_err("%s: socinfo_init() failed\n", __func__);
+
+	apq8084_init_gpiomux();
+	of_platform_populate(NULL, of_default_bus_match_table, adata, NULL);
+	apq8084_add_drivers();
+}
+
+void __init apq8084_init_very_early(void)
+{
+	apq8084_early_memory();
+}
+
+static const char *apq8084_dt_match[] __initconst = {
+	"qcom,apq8084",
+	NULL
+};
+
+DT_MACHINE_START(APQ8084_DT, "Qualcomm APQ 8084 (Flattened Device Tree)")
+	.map_io = apq8084_map_io,
+	.init_irq = msm_dt_init_irq,
+	.init_machine = apq8084_init,
+	.handle_irq = gic_handle_irq,
+	.timer = &msm_dt_timer,
+	.dt_compat = apq8084_dt_match,
+	.reserve = apq8084_reserve,
+	.init_very_early = apq8084_init_very_early,
+	.restart = msm_restart,
+	.smp = &msm8974_smp_ops,
+MACHINE_END
diff --git a/arch/arm/mach-msm/board-8610.c b/arch/arm/mach-msm/board-8610.c
index 67334d5..2cd7134 100644
--- a/arch/arm/mach-msm/board-8610.c
+++ b/arch/arm/mach-msm/board-8610.c
@@ -44,6 +44,7 @@
 #include <mach/clk-provider.h>
 #include <mach/msm_smd.h>
 #include <mach/rpm-smd.h>
+#include <mach/rpm-regulator-smd.h>
 #include <linux/msm_thermal.h>
 #include "board-dt.h"
 #include "clock.h"
@@ -105,6 +106,7 @@
 	msm_rpm_driver_init();
 	msm_lpmrs_module_init();
 	msm_spm_device_init();
+	rpm_regulator_smd_driver_init();
 	qpnp_regulator_init();
 	tsens_tm_init_driver();
 	msm_thermal_device_init();
diff --git a/arch/arm/mach-msm/board-8930.c b/arch/arm/mach-msm/board-8930.c
index 8be128c..6ccaba6 100644
--- a/arch/arm/mach-msm/board-8930.c
+++ b/arch/arm/mach-msm/board-8930.c
@@ -477,7 +477,7 @@
 
 			if (fixed_position != NOT_FIXED)
 				fixed_size += heap->size;
-			else
+			else if (!use_cma)
 				reserve_mem_for_ion(MEMTYPE_EBI1, heap->size);
 
 			if (fixed_position == FIXED_LOW) {
diff --git a/arch/arm/mach-msm/board-8960.c b/arch/arm/mach-msm/board-8960.c
index c5fc418..5d96389 100644
--- a/arch/arm/mach-msm/board-8960.c
+++ b/arch/arm/mach-msm/board-8960.c
@@ -532,7 +532,7 @@
 
 			if (fixed_position != NOT_FIXED)
 				fixed_size += heap->size;
-			else
+			else if (!use_cma)
 				reserve_mem_for_ion(MEMTYPE_EBI1, heap->size);
 
 			if (fixed_position == FIXED_LOW) {
diff --git a/arch/arm/mach-msm/board-8974.c b/arch/arm/mach-msm/board-8974.c
index cfa1628..3eed219 100644
--- a/arch/arm/mach-msm/board-8974.c
+++ b/arch/arm/mach-msm/board-8974.c
@@ -174,6 +174,7 @@
 
 static const char *msm8974_dt_match[] __initconst = {
 	"qcom,msm8974",
+	"qcom,apq8074",
 	NULL
 };
 
diff --git a/arch/arm/mach-msm/board-9625-gpiomux.c b/arch/arm/mach-msm/board-9625-gpiomux.c
index 75aaaec..a6ac986 100644
--- a/arch/arm/mach-msm/board-9625-gpiomux.c
+++ b/arch/arm/mach-msm/board-9625-gpiomux.c
@@ -276,6 +276,7 @@
 	},
 };
 
+#ifdef CONFIG_FB_MSM_QPIC
 static struct gpiomux_setting qpic_lcdc_a_d = {
 	.func = GPIOMUX_FUNC_1,
 	.drv = GPIOMUX_DRV_10MA,
@@ -327,6 +328,17 @@
 	},
 };
 
+static void msm9625_disp_init_gpiomux(void)
+{
+	msm_gpiomux_install(msm9625_qpic_lcdc_configs,
+			ARRAY_SIZE(msm9625_qpic_lcdc_configs));
+}
+#else
+static void msm9625_disp_init_gpiomux(void)
+{
+}
+#endif /* CONFIG_FB_MSM_QPIC */
+
 void __init msm9625_init_gpiomux(void)
 {
 	int rc;
@@ -347,7 +359,5 @@
 			ARRAY_SIZE(mdm9625_cdc_reset_config));
 	msm_gpiomux_install(sdc2_card_det_config,
 		ARRAY_SIZE(sdc2_card_det_config));
-	msm_gpiomux_install(msm9625_qpic_lcdc_configs,
-			ARRAY_SIZE(msm9625_qpic_lcdc_configs));
-
+	msm9625_disp_init_gpiomux();
 }
diff --git a/arch/arm/mach-msm/board-zinc.c b/arch/arm/mach-msm/board-zinc.c
deleted file mode 100644
index 444444f..0000000
--- a/arch/arm/mach-msm/board-zinc.c
+++ /dev/null
@@ -1,127 +0,0 @@
-/* Copyright (c) 2013, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * 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.
- */
-
-#include <linux/err.h>
-#include <linux/kernel.h>
-#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/of_platform.h>
-#include <linux/memory.h>
-#include <asm/hardware/gic.h>
-#include <asm/mach/map.h>
-#include <asm/mach/arch.h>
-#include <mach/board.h>
-#include <mach/gpiomux.h>
-#include <mach/msm_iomap.h>
-#include <mach/msm_memtypes.h>
-#include <mach/msm_smd.h>
-#include <mach/restart.h>
-#include <mach/socinfo.h>
-#include <mach/clk-provider.h>
-#include "board-dt.h"
-#include "clock.h"
-#include "devices.h"
-#include "platsmp.h"
-
-static struct memtype_reserve msmzinc_reserve_table[] __initdata = {
-	[MEMTYPE_SMI] = {
-	},
-	[MEMTYPE_EBI0] = {
-		.flags  =       MEMTYPE_FLAGS_1M_ALIGN,
-	},
-	[MEMTYPE_EBI1] = {
-		.flags  =       MEMTYPE_FLAGS_1M_ALIGN,
-	},
-};
-
-static int msmzinc_paddr_to_memtype(phys_addr_t paddr)
-{
-	return MEMTYPE_EBI1;
-}
-
-static struct reserve_info msmzinc_reserve_info __initdata = {
-	.memtype_reserve_table = msmzinc_reserve_table,
-	.paddr_to_memtype = msmzinc_paddr_to_memtype,
-};
-
-void __init msmzinc_reserve(void)
-{
-	reserve_info = &msmzinc_reserve_info;
-	of_scan_flat_dt(dt_scan_for_memory_reserve, msmzinc_reserve_table);
-	msm_reserve();
-}
-
-static void __init msmzinc_early_memory(void)
-{
-	reserve_info = &msmzinc_reserve_info;
-	of_scan_flat_dt(dt_scan_for_memory_hole, msmzinc_reserve_table);
-}
-
-static struct clk_lookup msm_clocks_dummy[] = {
-	CLK_DUMMY("core_clk",   BLSP1_UART_CLK, "f991f000.serial", OFF),
-	CLK_DUMMY("iface_clk",  BLSP1_UART_CLK, "f991f000.serial", OFF),
-};
-
-static struct clock_init_data msm_dummy_clock_init_data __initdata = {
-	.table = msm_clocks_dummy,
-	.size = ARRAY_SIZE(msm_clocks_dummy),
-};
-
-/*
- * Used to satisfy dependencies for devices that need to be
- * run early or in a particular order. Most likely your device doesn't fall
- * into this category, and thus the driver should not be added here. The
- * EPROBE_DEFER can satisfy most dependency problems.
- */
-void __init msmzinc_add_drivers(void)
-{
-	msm_smd_init();
-	msm_clock_init(&msm_dummy_clock_init_data);
-}
-
-static void __init msmzinc_map_io(void)
-{
-	msm_map_zinc_io();
-}
-
-void __init msmzinc_init(void)
-{
-	if (socinfo_init() < 0)
-		pr_err("%s: socinfo_init() failed\n", __func__);
-
-	msmzinc_init_gpiomux();
-	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
-	msmzinc_add_drivers();
-}
-
-void __init msmzinc_init_very_early(void)
-{
-	msmzinc_early_memory();
-}
-
-static const char *msmzinc_dt_match[] __initconst = {
-	"qcom,msmzinc",
-	NULL
-};
-
-DT_MACHINE_START(MSMZINC_DT, "Qualcomm MSM ZINC (Flattened Device Tree)")
-	.map_io = msmzinc_map_io,
-	.init_irq = msm_dt_init_irq,
-	.init_machine = msmzinc_init,
-	.handle_irq = gic_handle_irq,
-	.timer = &msm_dt_timer,
-	.dt_compat = msmzinc_dt_match,
-	.reserve = msmzinc_reserve,
-	.init_very_early = msmzinc_init_very_early,
-	.restart = msm_restart,
-	.smp = &msm8974_smp_ops,
-MACHINE_END
diff --git a/arch/arm/mach-msm/cache_erp.c b/arch/arm/mach-msm/cache_erp.c
index ddea91c..f52bc28 100644
--- a/arch/arm/mach-msm/cache_erp.c
+++ b/arch/arm/mach-msm/cache_erp.c
@@ -123,11 +123,18 @@
 	unsigned int mplxrexnok;
 };
 
+struct msm_erp_dump_region {
+	struct resource *res;
+	void __iomem *va;
+};
+
 static DEFINE_PER_CPU(struct msm_l1_err_stats, msm_l1_erp_stats);
 static struct msm_l2_err_stats msm_l2_erp_stats;
 
 static int l1_erp_irq, l2_erp_irq;
 static struct proc_dir_entry *procfs_entry;
+static int num_dump_regions;
+static struct msm_erp_dump_region *dump_regions;
 
 #ifdef CONFIG_MSM_L1_ERR_LOG
 static struct proc_dir_entry *procfs_log_entry;
@@ -211,6 +218,22 @@
 	return len;
 }
 
+static int msm_erp_dump_regions(void)
+{
+	int i = 0;
+	struct msm_erp_dump_region *r;
+
+	for (i = 0; i < num_dump_regions; i++) {
+		r = &dump_regions[i];
+
+		pr_alert("%s %pR:\n", r->res->name, r->res);
+		print_hex_dump(KERN_ALERT, "", DUMP_PREFIX_OFFSET, 32, 4, r->va,
+			       resource_size(r->res), 0);
+	}
+
+	return 0;
+}
+
 #ifdef CONFIG_MSM_L1_ERR_LOG
 static int proc_read_log(char *page, char **start, off_t off, int count,
 	int *eof, void *data)
@@ -267,6 +290,7 @@
 		pr_alert("\tCESR      = 0x%08x\n", cesr);
 		pr_alert("\tCPU speed = %lu\n", acpuclk_get_rate(cpu));
 		pr_alert("\tMIDR      = 0x%08x\n", read_cpuid_id());
+		msm_erp_dump_regions();
 	}
 
 	if (cesr & CESR_DCTPE) {
@@ -425,6 +449,9 @@
 	if (port_error && print_alert)
 		ERP_PORT_ERR("L2 master port error detected");
 
+	if (soft_error && print_alert)
+		msm_erp_dump_regions();
+
 	if (soft_error && !unrecoverable)
 		ERP_1BIT_ERR("L2 single-bit error detected");
 
@@ -464,6 +491,37 @@
 	.notifier_call = cache_erp_cpu_callback,
 };
 
+static int msm_erp_read_dump_regions(struct platform_device *pdev)
+{
+	int i;
+	struct device_node *np = pdev->dev.of_node;
+	struct resource *res;
+
+	num_dump_regions = of_property_count_strings(np, "reg-names");
+
+	if (num_dump_regions <= 0) {
+		num_dump_regions = 0;
+		return 0; /* Not an error - this is an optional property */
+	}
+
+	dump_regions = devm_kzalloc(&pdev->dev,
+				    sizeof(*dump_regions) * num_dump_regions,
+				    GFP_KERNEL);
+	if (!dump_regions)
+		return -ENOMEM;
+
+	for (i = 0; i < num_dump_regions; i++) {
+		res = platform_get_resource(pdev, IORESOURCE_MEM, i);
+		dump_regions[i].res = res;
+		dump_regions[i].va = devm_ioremap(&pdev->dev, res->start,
+						  resource_size(res));
+		if (!dump_regions[i].va)
+			return -ENOMEM;
+	}
+
+	return 0;
+}
+
 static int msm_cache_erp_probe(struct platform_device *pdev)
 {
 	struct resource *r;
@@ -511,6 +569,11 @@
 		goto fail_l2;
 	}
 
+	ret = msm_erp_read_dump_regions(pdev);
+
+	if (ret)
+		goto fail_l2;
+
 	get_online_cpus();
 	register_hotcpu_notifier(&cache_erp_cpu_notifier);
 	for_each_cpu(cpu, cpu_online_mask)
diff --git a/arch/arm/mach-msm/clock-8226.c b/arch/arm/mach-msm/clock-8226.c
index 5f9eafd..af027f0 100644
--- a/arch/arm/mach-msm/clock-8226.c
+++ b/arch/arm/mach-msm/clock-8226.c
@@ -1709,13 +1709,19 @@
 	F_MMSS( 100000000,      gpll0,   6,    0,    0),
 	F_MMSS( 109090000,      gpll0, 5.5,    0,    0),
 	F_MMSS( 133330000,      gpll0, 4.5,    0,    0),
+	F_MMSS( 150000000,      gpll0,   4,    0,    0),
 	F_MMSS( 200000000,      gpll0,   3,    0,    0),
 	F_MMSS( 228570000, mmpll0_pll, 3.5,    0,    0),
 	F_MMSS( 266670000, mmpll0_pll,   3,    0,    0),
 	F_MMSS( 320000000, mmpll0_pll, 2.5,    0,    0),
+	F_MMSS( 400000000, mmpll0_pll,   2,    0,    0),
 	F_END
 };
 
+static unsigned long camss_vfe_vfe0_fmax_v2[VDD_DIG_NUM] = {
+	150000000, 320000000, 400000000,
+};
+
 static struct rcg_clk vfe0_clk_src = {
 	.cmd_rcgr_reg = VFE0_CMD_RCGR,
 	.set_rate = set_rate_hid,
@@ -1972,11 +1978,17 @@
 
 static struct clk_freq_tbl ftbl_camss_vfe_cpp_clk[] = {
 	F_MMSS( 133330000,      gpll0, 4.5,    0,    0),
+	F_MMSS( 150000000,      gpll0,   4,    0,    0),
 	F_MMSS( 266670000, mmpll0_pll,   3,    0,    0),
 	F_MMSS( 320000000, mmpll0_pll, 2.5,    0,    0),
+	F_MMSS( 400000000, mmpll0_pll,   2,    0,    0),
 	F_END
 };
 
+static unsigned long camss_vfe_cpp_fmax_v2[VDD_DIG_NUM] = {
+	150000000, 320000000, 400000000,
+};
+
 static struct rcg_clk cpp_clk_src = {
 	.cmd_rcgr_reg = CPP_CMD_RCGR,
 	.set_rate = set_rate_hid,
@@ -2697,7 +2709,6 @@
 	.base = &virt_bases[LPASS_BASE],
 	.c = {
 		.dbg_name = "q6ss_xo_clk",
-		.parent = &xo.c,
 		.ops = &clk_ops_branch,
 		CLK_INIT(q6ss_xo_clk.c),
 	},
@@ -2811,8 +2822,8 @@
 
 static DEFINE_CLK_VOTER(pnoc_sps_clk, &pnoc_clk.c, LONG_MAX);
 
-static DEFINE_CLK_VOTER(qseecom_ce1_clk_src, &ce1_clk_src.c, LONG_MAX);
-static DEFINE_CLK_VOTER(scm_ce1_clk_src, &ce1_clk_src.c, LONG_MAX);
+static DEFINE_CLK_VOTER(qseecom_ce1_clk_src, &ce1_clk_src.c, 100000000);
+static DEFINE_CLK_VOTER(scm_ce1_clk_src, &ce1_clk_src.c, 100000000);
 
 static DEFINE_CLK_BRANCH_VOTER(cxo_otg_clk, &xo.c);
 static DEFINE_CLK_BRANCH_VOTER(cxo_pil_lpass_clk, &xo.c);
@@ -3060,7 +3071,7 @@
 
 	/* WCNSS CLOCKS */
 	CLK_LOOKUP("xo", cxo_wlan_clk.c, "fb000000.qcom,wcnss-wlan"),
-	CLK_LOOKUP("rf_clk",   cxo_a2.c, "fb000000.qcom,wcnss-wlan"),
+	CLK_LOOKUP("rf_clk",   cxo_a1.c, "fb000000.qcom,wcnss-wlan"),
 
 	/* BUS DRIVER */
 	CLK_LOOKUP("bus_clk", cnoc_msmbus_clk.c, "msm_config_noc"),
@@ -3328,6 +3339,8 @@
 	CLK_LOOKUP("csi1_rdi_clk", camss_csi1rdi_clk.c,  "fda08400.qcom,csid"),
 
 	/* ISPIF clocks */
+	CLK_LOOKUP("ispif_ahb_clk", camss_ispif_ahb_clk.c,
+		"fda0a000.qcom,ispif"),
 	CLK_LOOKUP("camss_vfe_vfe_clk", camss_vfe_vfe0_clk.c,
 		"fda0a000.qcom,ispif"),
 	CLK_LOOKUP("camss_csi_vfe_clk", camss_csi_vfe0_clk.c,
@@ -3415,6 +3428,18 @@
 	CLK_LOOKUP("osr_clk", div_clk1.c, "msm-dai-q6-dev.16390"),
 	CLK_LOOKUP("osr_clk", div_clk1.c, "msm-dai-q6-dev.16391"),
 
+	/* Add QCEDEV clocks */
+	CLK_LOOKUP("core_clk",     gcc_ce1_clk.c,      "fd400000.qcom,qcedev"),
+	CLK_LOOKUP("iface_clk",    gcc_ce1_ahb_clk.c,  "fd400000.qcom,qcedev"),
+	CLK_LOOKUP("bus_clk",      gcc_ce1_axi_clk.c,  "fd400000.qcom,qcedev"),
+	CLK_LOOKUP("core_clk_src", ce1_clk_src.c,      "fd400000.qcom,qcedev"),
+
+	/* Add QCRYPTO clocks */
+	CLK_LOOKUP("core_clk",     gcc_ce1_clk.c,     "fd404000.qcom,qcrypto"),
+	CLK_LOOKUP("iface_clk",    gcc_ce1_ahb_clk.c, "fd404000.qcom,qcrypto"),
+	CLK_LOOKUP("bus_clk",      gcc_ce1_axi_clk.c, "fd404000.qcom,qcrypto"),
+	CLK_LOOKUP("core_clk_src", ce1_clk_src.c,     "fd404000.qcom,qcrypto"),
+
 };
 
 static struct clk_lookup msm_clocks_8226_rumi[] = {
@@ -3544,6 +3569,12 @@
 
 	reg_init();
 
+	/* v2 specific changes */
+	if (SOCINFO_VERSION_MAJOR(socinfo_get_version()) == 2) {
+		cpp_clk_src.c.fmax = camss_vfe_cpp_fmax_v2;
+		vfe0_clk_src.c.fmax = camss_vfe_vfe0_fmax_v2;
+	}
+
 	/*
 	 * MDSS needs the ahb clock and needs to init before we register the
 	 * lookup table.
diff --git a/arch/arm/mach-msm/clock-8610.c b/arch/arm/mach-msm/clock-8610.c
index 2e35d8a..d9442ac 100644
--- a/arch/arm/mach-msm/clock-8610.c
+++ b/arch/arm/mach-msm/clock-8610.c
@@ -255,6 +255,7 @@
 #define          MMSS_MMSSNOC_AXI_CBCR	    0x506C
 #define                   BIMC_GFX_BCR	    0x5090
 #define                  BIMC_GFX_CBCR	    0x5094
+#define                MMSS_CAMSS_MISC	    0x3718
 
 #define				AUDIO_CORE_GDSCR	    0x7000
 #define                                 SPDM_BCR	    0x1000
@@ -462,9 +463,9 @@
 
 #define D0_ID		 1
 #define D1_ID		 2
-#define A0_ID		 3
-#define A1_ID		 4
-#define A2_ID		 5
+#define A0_ID		 4
+#define A1_ID		 5
+#define A2_ID		 6
 #define DIFF_CLK_ID	 7
 #define DIV_CLK_ID	11
 
@@ -1932,6 +1933,115 @@
 	},
 };
 
+static struct mux_clk csi0phy_mux_clk = {
+	.enable_reg = MMSS_CAMSS_MISC,
+	.enable_mask = BIT(11),
+	.select_reg = MMSS_CAMSS_MISC,
+	.select_mask = BIT(9),
+	.sources = (struct mux_source[]) {
+		{ &csi0phy_clk.c,     0 },
+		{ &csi1phy_clk.c, BIT(9) },
+		{ 0 },
+	},
+	.base = &virt_bases[MMSS_BASE],
+	.c = {
+		.dbg_name = "csi0phy_mux_clk",
+		.ops = &clk_ops_mux,
+		CLK_INIT(csi0phy_mux_clk.c),
+	},
+};
+
+static struct mux_clk csi1phy_mux_clk = {
+	.enable_reg = MMSS_CAMSS_MISC,
+	.enable_mask = BIT(10),
+	.select_reg = MMSS_CAMSS_MISC,
+	.select_mask = BIT(8),
+	.sources = (struct mux_source[]) {
+		{ &csi0phy_clk.c,     0 },
+		{ &csi1phy_clk.c, BIT(8) },
+		{ 0 },
+	},
+	.base = &virt_bases[MMSS_BASE],
+	.c = {
+		.dbg_name = "csi1phy_mux_clk",
+		.ops = &clk_ops_mux,
+		CLK_INIT(csi1phy_mux_clk.c),
+	},
+};
+
+static struct mux_clk csi0pix_mux_clk = {
+	.enable_reg = MMSS_CAMSS_MISC,
+	.enable_mask = BIT(7),
+	.select_reg = MMSS_CAMSS_MISC,
+	.select_mask = BIT(3),
+	.sources = (struct mux_source[]) {
+		{ &csi0pix_clk.c,      0 },
+		{ &csi1pix_clk.c, BIT(3) },
+		{ 0 },
+	},
+	.base = &virt_bases[MMSS_BASE],
+	.c = {
+		.dbg_name = "csi0pix_mux_clk",
+		.ops = &clk_ops_mux,
+		CLK_INIT(csi0pix_mux_clk.c),
+	},
+};
+
+
+static struct mux_clk rdi2_mux_clk = {
+	.enable_reg = MMSS_CAMSS_MISC,
+	.enable_mask = BIT(6),
+	.select_reg = MMSS_CAMSS_MISC,
+	.select_mask = BIT(2),
+	.sources = (struct mux_source[]) {
+		{ &csi0rdi_clk.c,      0 },
+		{ &csi1rdi_clk.c, BIT(2) },
+		{ 0 },
+	},
+	.base = &virt_bases[MMSS_BASE],
+	.c = {
+		.dbg_name = "rdi2_mux_clk",
+		.ops = &clk_ops_mux,
+		CLK_INIT(rdi2_mux_clk.c),
+	},
+};
+
+static struct mux_clk rdi1_mux_clk = {
+	.enable_reg = MMSS_CAMSS_MISC,
+	.enable_mask = BIT(5),
+	.select_reg = MMSS_CAMSS_MISC,
+	.select_mask = BIT(1),
+	.sources = (struct mux_source[]) {
+		{ &csi0rdi_clk.c,      0 },
+		{ &csi1rdi_clk.c, BIT(1) },
+		{ 0 },
+	},
+	.base = &virt_bases[MMSS_BASE],
+	.c = {
+		.dbg_name = "rdi1_mux_clk",
+		.ops = &clk_ops_mux,
+		CLK_INIT(rdi1_mux_clk.c),
+	},
+};
+
+static struct mux_clk rdi0_mux_clk = {
+	.enable_reg = MMSS_CAMSS_MISC,
+	.enable_mask = BIT(4),
+	.select_reg = MMSS_CAMSS_MISC,
+	.select_mask = BIT(0),
+	.sources = (struct mux_source[]) {
+		{ &csi0rdi_clk.c,      0 },
+		{ &csi1rdi_clk.c, BIT(0) },
+		{ 0 },
+	},
+	.base = &virt_bases[MMSS_BASE],
+	.c = {
+		.dbg_name = "rdi0_mux_clk",
+		.ops = &clk_ops_mux,
+		CLK_INIT(rdi0_mux_clk.c),
+	},
+};
+
 static struct branch_clk csi_ahb_clk = {
 	.cbcr_reg = CSI_AHB_CBCR,
 	.has_sibling = 1,
@@ -2245,7 +2355,6 @@
 	.bcr_reg = LPASS_Q6SS_BCR,
 	.base = &virt_bases[LPASS_BASE],
 	.c = {
-		.parent = &gcc_xo_clk_src.c,
 		.dbg_name = "q6ss_xo_clk",
 		.ops = &clk_ops_branch,
 		CLK_INIT(q6ss_xo_clk.c),
@@ -2620,6 +2729,10 @@
 	CLK_LOOKUP("core_clk", qdss_clk.c, "fc352000.cti"),
 	CLK_LOOKUP("core_clk", qdss_clk.c, "fc353000.cti"),
 	CLK_LOOKUP("core_clk", qdss_clk.c, "fc354000.cti"),
+	CLK_LOOKUP("core_clk", qdss_clk.c, "fc34c000.jtagmm"),
+	CLK_LOOKUP("core_clk", qdss_clk.c, "fc34d000.jtagmm"),
+	CLK_LOOKUP("core_clk", qdss_clk.c, "fc34e000.jtagmm"),
+	CLK_LOOKUP("core_clk", qdss_clk.c, "fc34f000.jtagmm"),
 
 
 	CLK_LOOKUP("core_a_clk", qdss_a_clk.c, "fc326000.tmc"),
@@ -2649,6 +2762,10 @@
 	CLK_LOOKUP("core_a_clk", qdss_a_clk.c, "fc352000.cti"),
 	CLK_LOOKUP("core_a_clk", qdss_a_clk.c, "fc353000.cti"),
 	CLK_LOOKUP("core_a_clk", qdss_a_clk.c, "fc354000.cti"),
+	CLK_LOOKUP("core_a_clk", qdss_a_clk.c, "fc34c000.jtagmm"),
+	CLK_LOOKUP("core_a_clk", qdss_a_clk.c, "fc34d000.jtagmm"),
+	CLK_LOOKUP("core_a_clk", qdss_a_clk.c, "fc34e000.jtagmm"),
+	CLK_LOOKUP("core_a_clk", qdss_a_clk.c, "fc34f000.jtagmm"),
 
 
 
@@ -2706,7 +2823,7 @@
 	CLK_LOOKUP("core_clk",      gcc_mss_q6_bimc_axi_clk.c, ""),
 	CLK_LOOKUP("core_clk",                 gcc_pdm2_clk.c, ""),
 	CLK_LOOKUP("iface_clk",              gcc_pdm_ahb_clk.c, ""),
-	CLK_LOOKUP("iface_clk",             gcc_prng_ahb_clk.c, ""),
+	CLK_LOOKUP("iface_clk", gcc_prng_ahb_clk.c, "f9bff000.qcom,msm-rng"),
 	CLK_LOOKUP("iface_clk",            gcc_sdcc1_ahb_clk.c, "msm_sdcc.1"),
 	CLK_LOOKUP("core_clk",           gcc_sdcc1_apps_clk.c, "msm_sdcc.1"),
 	CLK_LOOKUP("iface_clk",            gcc_sdcc2_ahb_clk.c, "msm_sdcc.2"),
@@ -2766,6 +2883,13 @@
 	CLK_LOOKUP("core_clk",                  vfe_ahb_clk.c, ""),
 	CLK_LOOKUP("core_clk",                  vfe_axi_clk.c, ""),
 
+	CLK_LOOKUP("core_clk",              csi0pix_mux_clk.c, ""),
+	CLK_LOOKUP("core_clk",              csi0phy_mux_clk.c, ""),
+	CLK_LOOKUP("core_clk",              csi1phy_mux_clk.c, ""),
+	CLK_LOOKUP("core_clk",                 rdi2_mux_clk.c, ""),
+	CLK_LOOKUP("core_clk",                 rdi1_mux_clk.c, ""),
+	CLK_LOOKUP("core_clk",                 rdi0_mux_clk.c, ""),
+
 	CLK_LOOKUP("core_clk",   oxili_gfx3d_clk.c, "fdc00000.qcom,kgsl-3d0"),
 	CLK_LOOKUP("iface_clk",    oxili_ahb_clk.c, "fdc00000.qcom,kgsl-3d0"),
 	CLK_LOOKUP("mem_iface_clk", bimc_gfx_clk.c, "fdc00000.qcom,kgsl-3d0"),
@@ -2804,7 +2928,7 @@
 	CLK_LOOKUP("measure_clk",   l2_m_clk, ""),
 
 	CLK_LOOKUP("xo",   gcc_xo_clk_src.c, "fb000000.qcom,wcnss-wlan"),
-	CLK_LOOKUP("rf_clk",       cxo_a2.c, "fb000000.qcom,wcnss-wlan"),
+	CLK_LOOKUP("rf_clk",       cxo_a1.c, "fb000000.qcom,wcnss-wlan"),
 
 	CLK_LOOKUP("iface_clk", mdp_ahb_clk.c, "fd900000.qcom,mdss_mdp"),
 	CLK_LOOKUP("core_clk", mdp_axi_clk.c, "fd900000.qcom,mdss_mdp"),
@@ -2822,6 +2946,11 @@
 	CLK_LOOKUP("iface_clk",    gcc_ce1_ahb_clk.c,  "qseecom"),
 	CLK_LOOKUP("bus_clk",      gcc_ce1_axi_clk.c,  "qseecom"),
 	CLK_LOOKUP("core_clk_src", ce1_clk_src.c,      "qseecom"),
+
+	CLK_LOOKUP("core_clk",     gcc_ce1_clk.c,      "scm"),
+	CLK_LOOKUP("iface_clk",    gcc_ce1_ahb_clk.c,  "scm"),
+	CLK_LOOKUP("bus_clk",      gcc_ce1_axi_clk.c,  "scm"),
+	CLK_LOOKUP("core_clk_src", ce1_clk_src.c,      "scm"),
 };
 
 static struct clk_lookup msm_clocks_8610_rumi[] = {
diff --git a/arch/arm/mach-msm/clock-8960.c b/arch/arm/mach-msm/clock-8960.c
index 509443d..be6d965 100644
--- a/arch/arm/mach-msm/clock-8960.c
+++ b/arch/arm/mach-msm/clock-8960.c
@@ -5419,11 +5419,6 @@
 	CLK_LOOKUP("csi_phy_clk",	csi0_phy_clk.c,		"msm_csid.0"),
 	CLK_LOOKUP("csi_phy_clk",	csi1_phy_clk.c,		"msm_csid.1"),
 	CLK_LOOKUP("csi_phy_clk",	csi2_phy_clk.c,		"msm_csid.2"),
-	CLK_LOOKUP("csi_pix_clk",	csi_pix_clk.c,		"msm_ispif.0"),
-	CLK_LOOKUP("csi_pix1_clk",	csi_pix1_clk.c,		"msm_ispif.0"),
-	CLK_LOOKUP("csi_rdi_clk",	csi_rdi_clk.c,		"msm_ispif.0"),
-	CLK_LOOKUP("csi_rdi1_clk",	csi_rdi1_clk.c,		"msm_ispif.0"),
-	CLK_LOOKUP("csi_rdi2_clk",	csi_rdi2_clk.c,		"msm_ispif.0"),
 	CLK_LOOKUP("csiphy_timer_src_clk",
 			   csiphy_timer_src_clk.c, "msm_csiphy.0"),
 	CLK_LOOKUP("csiphy_timer_src_clk",
diff --git a/arch/arm/mach-msm/clock-8974.c b/arch/arm/mach-msm/clock-8974.c
index 73e44b1..707e6b6 100644
--- a/arch/arm/mach-msm/clock-8974.c
+++ b/arch/arm/mach-msm/clock-8974.c
@@ -4757,7 +4757,8 @@
 	CLK_LOOKUP("iface_clk", gcc_blsp1_ahb_clk.c, "f991f000.serial"),
 	CLK_LOOKUP("iface_clk", gcc_blsp1_ahb_clk.c, "f9924000.i2c"),
 	CLK_LOOKUP("iface_clk", gcc_blsp1_ahb_clk.c, "f991e000.serial"),
-	CLK_LOOKUP("core_clk", gcc_blsp1_qup1_i2c_apps_clk.c, ""),
+	CLK_LOOKUP("core_clk", gcc_blsp1_qup1_i2c_apps_clk.c, "f9923000.i2c"),
+	CLK_LOOKUP("iface_clk", gcc_blsp1_ahb_clk.c, "f9923000.i2c"),
 	CLK_LOOKUP("core_clk", gcc_blsp1_qup2_i2c_apps_clk.c, "f9924000.i2c"),
 	CLK_LOOKUP("core_clk", gcc_blsp1_qup2_spi_apps_clk.c, ""),
 	CLK_LOOKUP("core_clk", gcc_blsp1_qup1_spi_apps_clk.c, "f9923000.spi"),
@@ -4946,80 +4947,79 @@
 		"fda0b400.qcom,csiphy"),
 	CLK_LOOKUP("csiphy_timer_clk", camss_phy2_csi2phytimer_clk.c,
 		"fda0b400.qcom,csiphy"),
+
 	/* CSID clocks */
-	CLK_LOOKUP("camss_top_ahb_clk", camss_top_ahb_clk.c,
-		"fda08000.qcom,csid"),
 	CLK_LOOKUP("ispif_ahb_clk", camss_ispif_ahb_clk.c,
-		"fda08000.qcom,csid"),
-	CLK_LOOKUP("csi0_ahb_clk", camss_csi0_ahb_clk.c, "fda08000.qcom,csid"),
-	CLK_LOOKUP("csi0_src_clk", csi0_clk_src.c, "fda08000.qcom,csid"),
-	CLK_LOOKUP("csi0_phy_clk", camss_csi0phy_clk.c, "fda08000.qcom,csid"),
-	CLK_LOOKUP("csi0_clk", camss_csi0_clk.c, "fda08000.qcom,csid"),
-	CLK_LOOKUP("csi0_pix_clk", camss_csi0pix_clk.c, "fda08000.qcom,csid"),
-	CLK_LOOKUP("csi0_rdi_clk", camss_csi0rdi_clk.c, "fda08000.qcom,csid"),
+					"fda08000.qcom,csid"),
+	CLK_LOOKUP("camss_top_ahb_clk", camss_top_ahb_clk.c,
+					"fda08000.qcom,csid"),
+	CLK_LOOKUP("csi_ahb_clk", camss_csi0_ahb_clk.c,
+					"fda08000.qcom,csid"),
+	CLK_LOOKUP("csi_src_clk", csi0_clk_src.c,
+					"fda08000.qcom,csid"),
+	CLK_LOOKUP("csi_phy_clk", camss_csi0phy_clk.c,
+					"fda08000.qcom,csid"),
+	CLK_LOOKUP("csi_clk", camss_csi0_clk.c,
+					"fda08000.qcom,csid"),
+	CLK_LOOKUP("csi_pix_clk", camss_csi0pix_clk.c,
+					"fda08000.qcom,csid"),
+	CLK_LOOKUP("csi_rdi_clk", camss_csi0rdi_clk.c,
+					"fda08000.qcom,csid"),
 
-	CLK_LOOKUP("camss_top_ahb_clk", camss_top_ahb_clk.c,
-		"fda08400.qcom,csid"),
 	CLK_LOOKUP("ispif_ahb_clk", camss_ispif_ahb_clk.c,
-		"fda08400.qcom,csid"),
-	CLK_LOOKUP("csi0_ahb_clk", camss_csi0_ahb_clk.c, "fda08400.qcom,csid"),
-	CLK_LOOKUP("csi1_ahb_clk", camss_csi1_ahb_clk.c, "fda08400.qcom,csid"),
-	CLK_LOOKUP("csi0_src_clk", csi0_clk_src.c, "fda08400.qcom,csid"),
-	CLK_LOOKUP("csi1_src_clk", csi1_clk_src.c, "fda08400.qcom,csid"),
-	CLK_LOOKUP("csi0_phy_clk", camss_csi0phy_clk.c, "fda08400.qcom,csid"),
-	CLK_LOOKUP("csi1_phy_clk", camss_csi1phy_clk.c, "fda08400.qcom,csid"),
-	CLK_LOOKUP("csi0_clk", camss_csi0_clk.c, "fda08400.qcom,csid"),
-	CLK_LOOKUP("csi1_clk", camss_csi1_clk.c, "fda08400.qcom,csid"),
-	CLK_LOOKUP("csi0_pix_clk", camss_csi0pix_clk.c, "fda08400.qcom,csid"),
-	CLK_LOOKUP("csi1_pix_clk", camss_csi1pix_clk.c, "fda08400.qcom,csid"),
-	CLK_LOOKUP("csi0_rdi_clk", camss_csi0rdi_clk.c, "fda08400.qcom,csid"),
-	CLK_LOOKUP("csi1_rdi_clk", camss_csi1rdi_clk.c, "fda08400.qcom,csid"),
+					"fda08400.qcom,csid"),
+	CLK_LOOKUP("camss_top_ahb_clk", camss_top_ahb_clk.c,
+					"fda08400.qcom,csid"),
+	CLK_LOOKUP("csi_ahb_clk", camss_csi1_ahb_clk.c,
+					"fda08400.qcom,csid"),
+	CLK_LOOKUP("csi_src_clk", csi1_clk_src.c,
+					"fda08400.qcom,csid"),
+	CLK_LOOKUP("csi_phy_clk", camss_csi1phy_clk.c,
+					"fda08400.qcom,csid"),
+	CLK_LOOKUP("csi_clk", camss_csi1_clk.c,
+					"fda08400.qcom,csid"),
+	CLK_LOOKUP("csi_pix_clk", camss_csi1pix_clk.c,
+					"fda08400.qcom,csid"),
+	CLK_LOOKUP("csi_rdi_clk", camss_csi1rdi_clk.c,
+					"fda08400.qcom,csid"),
 
-	CLK_LOOKUP("camss_top_ahb_clk", camss_top_ahb_clk.c,
-		"fda08800.qcom,csid"),
 	CLK_LOOKUP("ispif_ahb_clk", camss_ispif_ahb_clk.c,
-		"fda08800.qcom,csid"),
-	CLK_LOOKUP("csi0_ahb_clk", camss_csi0_ahb_clk.c, "fda08800.qcom,csid"),
-	CLK_LOOKUP("csi2_ahb_clk", camss_csi2_ahb_clk.c, "fda08800.qcom,csid"),
-	CLK_LOOKUP("csi0_src_clk", csi0_clk_src.c, "fda08800.qcom,csid"),
-	CLK_LOOKUP("csi2_src_clk", csi2_clk_src.c, "fda08800.qcom,csid"),
-	CLK_LOOKUP("csi0_phy_clk", camss_csi0phy_clk.c, "fda08800.qcom,csid"),
-	CLK_LOOKUP("csi2_phy_clk", camss_csi2phy_clk.c, "fda08800.qcom,csid"),
-	CLK_LOOKUP("csi0_clk", camss_csi0_clk.c, "fda08800.qcom,csid"),
-	CLK_LOOKUP("csi2_clk", camss_csi2_clk.c, "fda08800.qcom,csid"),
-	CLK_LOOKUP("csi0_pix_clk", camss_csi0pix_clk.c, "fda08800.qcom,csid"),
-	CLK_LOOKUP("csi2_pix_clk", camss_csi2pix_clk.c, "fda08800.qcom,csid"),
-	CLK_LOOKUP("csi0_rdi_clk", camss_csi0rdi_clk.c, "fda08800.qcom,csid"),
-	CLK_LOOKUP("csi2_rdi_clk", camss_csi2rdi_clk.c, "fda08800.qcom,csid"),
+					"fda08800.qcom,csid"),
+	CLK_LOOKUP("camss_top_ahb_clk", camss_top_ahb_clk.c,
+					"fda08800.qcom,csid"),
+	CLK_LOOKUP("csi_ahb_clk", camss_csi2_ahb_clk.c,
+					"fda08800.qcom,csid"),
+	CLK_LOOKUP("csi_src_clk", csi2_clk_src.c,
+					"fda08800.qcom,csid"),
+	CLK_LOOKUP("csi_phy_clk", camss_csi2phy_clk.c,
+					"fda08800.qcom,csid"),
+	CLK_LOOKUP("csi_clk", camss_csi2_clk.c,
+					"fda08800.qcom,csid"),
+	CLK_LOOKUP("csi_pix_clk", camss_csi2pix_clk.c,
+					"fda08800.qcom,csid"),
+	CLK_LOOKUP("csi_rdi_clk", camss_csi2rdi_clk.c,
+					"fda08800.qcom,csid"),
 
-	CLK_LOOKUP("camss_top_ahb_clk", camss_top_ahb_clk.c,
-		"fda08c00.qcom,csid"),
 	CLK_LOOKUP("ispif_ahb_clk", camss_ispif_ahb_clk.c,
-		"fda08c00.qcom,csid"),
-	CLK_LOOKUP("csi0_ahb_clk", camss_csi0_ahb_clk.c, "fda08c00.qcom,csid"),
-	CLK_LOOKUP("csi3_ahb_clk", camss_csi3_ahb_clk.c, "fda08c00.qcom,csid"),
-	CLK_LOOKUP("csi0_src_clk", csi0_clk_src.c, "fda08c00.qcom,csid"),
-	CLK_LOOKUP("csi3_src_clk", csi3_clk_src.c, "fda08c00.qcom,csid"),
-	CLK_LOOKUP("csi0_phy_clk", camss_csi0phy_clk.c, "fda08c00.qcom,csid"),
-	CLK_LOOKUP("csi3_phy_clk", camss_csi3phy_clk.c, "fda08c00.qcom,csid"),
-	CLK_LOOKUP("csi0_clk", camss_csi0_clk.c, "fda08c00.qcom,csid"),
-	CLK_LOOKUP("csi3_clk", camss_csi3_clk.c, "fda08c00.qcom,csid"),
-	CLK_LOOKUP("csi0_pix_clk", camss_csi0pix_clk.c, "fda08c00.qcom,csid"),
-	CLK_LOOKUP("csi3_pix_clk", camss_csi3pix_clk.c, "fda08c00.qcom,csid"),
-	CLK_LOOKUP("csi0_rdi_clk", camss_csi0rdi_clk.c, "fda08c00.qcom,csid"),
-	CLK_LOOKUP("csi3_rdi_clk", camss_csi3rdi_clk.c, "fda08c00.qcom,csid"),
+					"fda08c00.qcom,csid"),
+	CLK_LOOKUP("camss_top_ahb_clk", camss_top_ahb_clk.c,
+					"fda08c00.qcom,csid"),
+	CLK_LOOKUP("csi_ahb_clk", camss_csi3_ahb_clk.c,
+					"fda08c00.qcom,csid"),
+	CLK_LOOKUP("csi_src_clk", csi3_clk_src.c,
+					"fda08c00.qcom,csid"),
+	CLK_LOOKUP("csi_phy_clk", camss_csi3phy_clk.c,
+					"fda08c00.qcom,csid"),
+	CLK_LOOKUP("csi_clk", camss_csi3_clk.c,
+					"fda08c00.qcom,csid"),
+	CLK_LOOKUP("csi_pix_clk", camss_csi3pix_clk.c,
+					"fda08c00.qcom,csid"),
+	CLK_LOOKUP("csi_rdi_clk", camss_csi3rdi_clk.c,
+					"fda08c00.qcom,csid"),
 
 	/* ISPIF clocks */
 	CLK_LOOKUP("ispif_ahb_clk", camss_ispif_ahb_clk.c,
 		"fda0a000.qcom,ispif"),
-	CLK_LOOKUP("camss_vfe_vfe_clk", camss_vfe_vfe0_clk.c,
-		"fda0a000.qcom,ispif"),
-	CLK_LOOKUP("camss_csi_vfe_clk", camss_csi_vfe0_clk.c,
-		"fda0a000.qcom,ispif"),
-	CLK_LOOKUP("camss_vfe_vfe_clk1", camss_vfe_vfe1_clk.c,
-		"fda0a000.qcom,ispif"),
-	CLK_LOOKUP("camss_csi_vfe_clk1", camss_csi_vfe1_clk.c,
-		"fda0a000.qcom,ispif"),
 
 	/*VFE clocks*/
 	CLK_LOOKUP("camss_top_ahb_clk", camss_top_ahb_clk.c,
diff --git a/arch/arm/mach-msm/clock-debug.c b/arch/arm/mach-msm/clock-debug.c
index d540f2b..fe43b72 100644
--- a/arch/arm/mach-msm/clock-debug.c
+++ b/arch/arm/mach-msm/clock-debug.c
@@ -1,6 +1,6 @@
 /*
  * Copyright (C) 2007 Google, Inc.
- * Copyright (c) 2007-2012, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2007-2013, The Linux Foundation. All rights reserved.
  *
  * This software is licensed under the terms of the GNU General Public
  * License version 2, as published by the Free Software Foundation, and
@@ -21,10 +21,23 @@
 #include <linux/clk.h>
 #include <linux/list.h>
 #include <linux/clkdev.h>
+#include <linux/uaccess.h>
 #include <mach/clk-provider.h>
 
 #include "clock.h"
 
+static LIST_HEAD(clk_list);
+static DEFINE_SPINLOCK(clk_list_lock);
+
+static struct dentry *debugfs_base;
+static u32 debug_suspend;
+
+struct clk_table {
+	struct list_head node;
+	struct clk_lookup *clocks;
+	size_t num_clocks;
+};
+
 static int clock_debug_rate_set(void *data, u64 val)
 {
 	struct clk *clock = data;
@@ -218,35 +231,68 @@
 	.release	= seq_release,
 };
 
-static int clock_parent_show(struct seq_file *m, void *unused)
+static ssize_t clock_parent_read(struct file *filp, char __user *ubuf,
+		size_t cnt, loff_t *ppos)
 {
-	struct clk *clock = m->private;
-	struct clk *parent = clk_get_parent(clock);
+	struct clk *clock = filp->private_data;
+	struct clk *p = clock->parent;
+	char name[256] = {0};
 
-	seq_printf(m, "%s\n", (parent ? parent->dbg_name : "None"));
+	snprintf(name, sizeof(name), "%s\n", p ? p->dbg_name : "None\n");
 
-	return 0;
+	return simple_read_from_buffer(ubuf, cnt, ppos, name, strlen(name));
 }
 
-static int clock_parent_open(struct inode *inode, struct file *file)
+
+static ssize_t clock_parent_write(struct file *filp,
+		const char __user *ubuf, size_t cnt, loff_t *ppos)
 {
-	return single_open(file, clock_parent_show, inode->i_private);
+	struct clk *clock = filp->private_data;
+	char buf[256];
+	char *cmp;
+	unsigned long flags;
+	struct clk_table *table;
+	int i, ret;
+	struct clk *parent = NULL;
+
+	cnt = min(cnt, sizeof(buf) - 1);
+	if (copy_from_user(&buf, ubuf, cnt))
+		return -EFAULT;
+	buf[cnt] = '\0';
+	cmp = strstrip(buf);
+
+	spin_lock_irqsave(&clk_list_lock, flags);
+	list_for_each_entry(table, &clk_list, node) {
+		for (i = 0; i < table->num_clocks; i++)
+			if (!strcmp(cmp, table->clocks[i].clk->dbg_name)) {
+				parent = table->clocks[i].clk;
+				break;
+			}
+		if (parent)
+			break;
+	}
+
+	if (!parent) {
+		ret = -EINVAL;
+		goto err;
+	}
+
+	spin_unlock_irqrestore(&clk_list_lock, flags);
+	ret = clk_set_parent(clock, table->clocks[i].clk);
+	if (ret)
+		return ret;
+
+	return cnt;
+err:
+	spin_unlock_irqrestore(&clk_list_lock, flags);
+	return ret;
 }
 
+
 static const struct file_operations clock_parent_fops = {
-	.open		= clock_parent_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= seq_release,
-};
-
-static struct dentry *debugfs_base;
-static u32 debug_suspend;
-
-struct clk_table {
-	struct list_head node;
-	struct clk_lookup *clocks;
-	size_t num_clocks;
+	.open		= simple_open,
+	.read		= clock_parent_read,
+	.write		= clock_parent_write,
 };
 
 static int clock_debug_add(struct clk *clock)
@@ -305,8 +351,6 @@
 	debugfs_remove_recursive(clk_dir);
 	return -ENOMEM;
 }
-static LIST_HEAD(clk_list);
-static DEFINE_SPINLOCK(clk_list_lock);
 
 /**
  * clock_debug_register() - Add additional clocks to clock debugfs hierarchy
diff --git a/arch/arm/mach-msm/clock-local2.c b/arch/arm/mach-msm/clock-local2.c
index 8c2121f..f6c11b0 100644
--- a/arch/arm/mach-msm/clock-local2.c
+++ b/arch/arm/mach-msm/clock-local2.c
@@ -476,10 +476,7 @@
 	if (branch->max_div)
 		return branch->c.rate;
 
-	if (!branch->has_sibling)
-		return clk_get_rate(c->parent);
-
-	return 0;
+	return clk_get_rate(c->parent);
 }
 
 static int branch_clk_list_rate(struct clk *c, unsigned n)
@@ -596,6 +593,13 @@
 		ret = -EINVAL;
 	}
 	writel_relaxed(cbcr_val, CBCR_REG(branch));
+	/*
+	 * 8974v2.2 has a requirement that writes to set bits 13 and 14 are
+	 * separated by at least 2 bus cycles. Cover one of these cycles by
+	 * performing an extra write here. The other cycle is covered by the
+	 * read-modify-write design of this function.
+	 */
+	writel_relaxed(cbcr_val, CBCR_REG(branch));
 	spin_unlock_irqrestore(&local_clock_reg_lock, irq_flags);
 
 	/* Make sure write is issued before returning. */
@@ -805,6 +809,155 @@
 }
 
 
+#define ENABLE_REG(x)	(*(x)->base + (x)->enable_reg)
+#define SELECT_REG(x)	(*(x)->base + (x)->select_reg)
+
+/*
+ * mux clock functions
+ */
+static void mux_clk_halt_check(void)
+{
+	/* Ensure that the delay starts after the mux disable/enable. */
+	mb();
+	udelay(HALT_CHECK_DELAY_US);
+}
+
+static int mux_clk_enable(struct clk *c)
+{
+	unsigned long flags;
+	u32 regval;
+	struct mux_clk *mux = to_mux_clk(c);
+
+	spin_lock_irqsave(&local_clock_reg_lock, flags);
+	regval = readl_relaxed(ENABLE_REG(mux));
+	regval |= mux->enable_mask;
+	writel_relaxed(regval, ENABLE_REG(mux));
+	spin_unlock_irqrestore(&local_clock_reg_lock, flags);
+
+	/* Wait for clock to enable before continuing. */
+	mux_clk_halt_check();
+
+	return 0;
+}
+
+static void mux_clk_disable(struct clk *c)
+{
+	unsigned long flags;
+	struct mux_clk *mux = to_mux_clk(c);
+	u32 regval;
+
+	spin_lock_irqsave(&local_clock_reg_lock, flags);
+	regval = readl_relaxed(ENABLE_REG(mux));
+	regval &= ~mux->enable_mask;
+	writel_relaxed(regval, ENABLE_REG(mux));
+	spin_unlock_irqrestore(&local_clock_reg_lock, flags);
+
+	/* Wait for clock to disable before continuing. */
+	mux_clk_halt_check();
+}
+
+static int mux_source_switch(struct mux_clk *mux, struct mux_source *dest)
+{
+	unsigned long flags;
+	u32 regval;
+	int ret = 0;
+
+	ret = __clk_pre_reparent(&mux->c, dest->clk, &flags);
+	if (ret)
+		goto out;
+
+	regval = readl_relaxed(SELECT_REG(mux));
+	regval &= ~mux->select_mask;
+	regval |= dest->select_val;
+	writel_relaxed(regval, SELECT_REG(mux));
+
+	/* Make sure switch request goes through before proceeding. */
+	mb();
+
+	__clk_post_reparent(&mux->c, mux->c.parent, &flags);
+out:
+	return ret;
+}
+
+static int mux_clk_set_parent(struct clk *c, struct clk *parent)
+{
+	struct mux_clk *mux = to_mux_clk(c);
+	struct mux_source *dest = NULL;
+	int ret;
+
+	if (!mux->sources || !parent)
+		return -EPERM;
+
+	dest = mux->sources;
+
+	while (dest->clk) {
+		if (dest->clk == parent)
+			break;
+		dest++;
+	}
+
+	if (!dest->clk)
+		return -EPERM;
+
+	ret = mux_source_switch(mux, dest);
+	if (ret)
+		return ret;
+
+	mux->c.rate = clk_get_rate(dest->clk);
+
+	return 0;
+}
+
+static enum handoff mux_clk_handoff(struct clk *c)
+{
+	struct mux_clk *mux = to_mux_clk(c);
+	u32 mask = mux->enable_mask;
+	u32 regval = readl_relaxed(ENABLE_REG(mux));
+
+	c->rate = clk_get_rate(c->parent);
+
+	if (mask == (regval & mask))
+		return HANDOFF_ENABLED_CLK;
+
+	return HANDOFF_DISABLED_CLK;
+}
+
+static struct clk *mux_clk_get_parent(struct clk *c)
+{
+	struct mux_clk *mux = to_mux_clk(c);
+	struct mux_source *parent = NULL;
+	u32 regval = readl_relaxed(SELECT_REG(mux));
+
+	if (!mux->sources)
+		return ERR_PTR(-EPERM);
+
+	parent = mux->sources;
+
+	while (parent->clk) {
+		if ((regval & mux->select_mask) == parent->select_val)
+			return parent->clk;
+
+		parent++;
+	}
+
+	return ERR_PTR(-EPERM);
+}
+
+static int mux_clk_list_rate(struct clk *c, unsigned n)
+{
+	struct mux_clk *mux = to_mux_clk(c);
+	int i;
+
+	for (i = 0; i < n; i++)
+		if (!mux->sources[i].clk)
+			break;
+
+	if (!mux->sources[i].clk)
+		return -ENXIO;
+
+	return clk_get_rate(mux->sources[i].clk);
+}
+
 struct clk_ops clk_ops_empty;
 
 struct clk_ops clk_ops_rcg = {
@@ -868,3 +1021,14 @@
 	.reset = local_vote_clk_reset,
 	.handoff = local_vote_clk_handoff,
 };
+
+struct clk_ops clk_ops_mux = {
+	.enable = mux_clk_enable,
+	.disable = mux_clk_disable,
+	.set_parent = mux_clk_set_parent,
+	.get_parent = mux_clk_get_parent,
+	.handoff = mux_clk_handoff,
+	.list_rate = mux_clk_list_rate,
+};
+
+
diff --git a/arch/arm/mach-msm/clock-local2.h b/arch/arm/mach-msm/clock-local2.h
index 7ac7bd3..7882edb 100644
--- a/arch/arm/mach-msm/clock-local2.h
+++ b/arch/arm/mach-msm/clock-local2.h
@@ -157,6 +157,38 @@
 	return container_of(clk, struct measure_clk, c);
 }
 
+struct mux_source {
+	struct clk *const clk;
+	const u32 select_val;
+};
+
+/**
+ * struct mux_clk - branch clock
+ * @c: clk
+ * @enable_reg: register that contains the enable bit(s) for the mux
+ * @select_reg: register that contains the source selection bits for the mux
+ * @enable_mask: mask that enables the mux
+ * @select_mask: mask for the source selection bits
+ * @sources: list of mux sources
+ * @base: pointer to base address of ioremapped registers.
+ */
+struct mux_clk {
+	struct clk c;
+	const u32 enable_reg;
+	const u32 select_reg;
+	const u32 enable_mask;
+	const u32 select_mask;
+
+	struct mux_source *sources;
+
+	void *const __iomem *base;
+};
+
+static inline struct mux_clk *to_mux_clk(struct clk *clk)
+{
+	return container_of(clk, struct mux_clk, c);
+}
+
 /*
  * Generic set-rate implementations
  */
@@ -168,6 +200,7 @@
  */
 extern spinlock_t local_clock_reg_lock;
 
+extern struct clk_ops clk_ops_mux;
 extern struct clk_ops clk_ops_empty;
 extern struct clk_ops clk_ops_rcg;
 extern struct clk_ops clk_ops_rcg_mnd;
diff --git a/arch/arm/mach-msm/gdsc.c b/arch/arm/mach-msm/gdsc.c
index a07b13d..6665d66 100644
--- a/arch/arm/mach-msm/gdsc.c
+++ b/arch/arm/mach-msm/gdsc.c
@@ -38,7 +38,7 @@
 #define EN_FEW_WAIT_VAL		(0x8 << 16)
 #define CLK_DIS_WAIT_VAL	(0x2 << 12)
 
-#define TIMEOUT_US		1000
+#define TIMEOUT_US		100
 
 struct gdsc {
 	struct regulator_dev	*rdev;
diff --git a/arch/arm/mach-msm/include/mach/board.h b/arch/arm/mach-msm/include/mach/board.h
index 72f5051..22f74c8 100644
--- a/arch/arm/mach-msm/include/mach/board.h
+++ b/arch/arm/mach-msm/include/mach/board.h
@@ -600,7 +600,7 @@
 void msm_map_msm7x30_io(void);
 void msm_map_fsm9xxx_io(void);
 void msm_map_8974_io(void);
-void msm_map_zinc_io(void);
+void msm_map_8084_io(void);
 void msm_map_msmkrypton_io(void);
 void msm_map_msm8625_io(void);
 void msm_map_msm9625_io(void);
@@ -610,7 +610,7 @@
 void msm_8974_reserve(void);
 void msm_8974_very_early(void);
 void msm_8974_init_gpiomux(void);
-void msmzinc_init_gpiomux(void);
+void apq8084_init_gpiomux(void);
 void msm9625_init_gpiomux(void);
 void msmkrypton_init_gpiomux(void);
 void msm_map_mpq8092_io(void);
@@ -653,7 +653,7 @@
 void msm_snddev_tx_route_config(void);
 void msm_snddev_tx_route_deconfig(void);
 
-extern unsigned int msm_shared_ram_phys; /* defined in arch/arm/mach-msm/io.c */
+extern phys_addr_t msm_shared_ram_phys; /* defined in arch/arm/mach-msm/io.c */
 
 
 #endif
diff --git a/arch/arm/mach-msm/include/mach/iommu.h b/arch/arm/mach-msm/include/mach/iommu.h
index f750dc8..23d204a 100644
--- a/arch/arm/mach-msm/include/mach/iommu.h
+++ b/arch/arm/mach-msm/include/mach/iommu.h
@@ -129,6 +129,7 @@
  * @iommu_power_off:    Turn off power to unit
  * @iommu_clk_on:       Turn on clks to unit
  * @iommu_clk_off:      Turn off clks to unit
+ * @iommu_lock_initialize: Initialize the remote lock
  * @iommu_lock_acquire: Acquire any locks needed
  * @iommu_lock_release: Release locks needed
  */
@@ -137,6 +138,7 @@
 	void (*iommu_power_off)(struct msm_iommu_drvdata *);
 	int (*iommu_clk_on)(struct msm_iommu_drvdata *);
 	void (*iommu_clk_off)(struct msm_iommu_drvdata *);
+	void * (*iommu_lock_initialize)(void);
 	void (*iommu_lock_acquire)(void);
 	void (*iommu_lock_release)(void);
 };
diff --git a/arch/arm/mach-msm/include/mach/ipa.h b/arch/arm/mach-msm/include/mach/ipa.h
index cc03c48..90757b6 100644
--- a/arch/arm/mach-msm/include/mach/ipa.h
+++ b/arch/arm/mach-msm/include/mach/ipa.h
@@ -557,17 +557,6 @@
 int ipa_set_single_ndp_per_mbim(bool enable);
 
 /*
- * rmnet bridge
- */
-int rmnet_bridge_init(void);
-
-int rmnet_bridge_disconnect(void);
-
-int rmnet_bridge_connect(u32 producer_hdl,
-			 u32 consumer_hdl,
-			 int wwan_logical_channel_id);
-
-/*
  * SW bridge (between IPA and A2)
  */
 int ipa_bridge_setup(enum ipa_bridge_dir dir, enum ipa_bridge_type type,
@@ -917,26 +906,6 @@
 }
 
 /*
- * rmnet bridge
- */
-static inline int rmnet_bridge_init(void)
-{
-	return -EPERM;
-}
-
-static inline int rmnet_bridge_disconnect(void)
-{
-	return -EPERM;
-}
-
-static inline int rmnet_bridge_connect(u32 producer_hdl,
-			 u32 consumer_hdl,
-			 int wwan_logical_channel_id)
-{
-	return -EPERM;
-}
-
-/*
  * SW bridge (between IPA and A2)
  */
 static inline int ipa_bridge_setup(enum ipa_bridge_dir dir,
diff --git a/arch/arm/mach-msm/include/mach/kgsl.h b/arch/arm/mach-msm/include/mach/kgsl.h
index b68aff8..349dbe7 100644
--- a/arch/arm/mach-msm/include/mach/kgsl.h
+++ b/arch/arm/mach-msm/include/mach/kgsl.h
@@ -20,6 +20,7 @@
 #define KGSL_CLK_MEM	0x00000008
 #define KGSL_CLK_MEM_IFACE 0x00000010
 #define KGSL_CLK_AXI	0x00000020
+#define KGSL_CLK_ALT_MEM_IFACE 0x00000040
 
 #define KGSL_MAX_PWRLEVELS 10
 
@@ -50,9 +51,19 @@
 	enum kgsl_iommu_context_id ctx_id;
 };
 
+/*
+ * struct kgsl_device_iommu_data - Struct holding iommu context data obtained
+ * from dtsi file
+ * @iommu_ctxs:		Pointer to array of struct hoding context name and id
+ * @iommu_ctx_count:	Number of contexts defined in the dtsi file
+ * @iommu_halt_enable:	Indicated if smmu halt h/w feature is supported
+ * @physstart:		Start of iommu registers physical address
+ * @physend:		End of iommu registers physical address
+ */
 struct kgsl_device_iommu_data {
 	const struct kgsl_iommu_ctx *iommu_ctxs;
 	int iommu_ctx_count;
+	int iommu_halt_enable;
 	unsigned int physstart;
 	unsigned int physend;
 };
diff --git a/arch/arm/mach-msm/include/mach/msm_iomap-zinc.h b/arch/arm/mach-msm/include/mach/msm_iomap-8084.h
similarity index 74%
rename from arch/arm/mach-msm/include/mach/msm_iomap-zinc.h
rename to arch/arm/mach-msm/include/mach/msm_iomap-8084.h
index 0a33055..43f1de0 100644
--- a/arch/arm/mach-msm/include/mach/msm_iomap-zinc.h
+++ b/arch/arm/mach-msm/include/mach/msm_iomap-8084.h
@@ -11,8 +11,8 @@
  */
 
 
-#ifndef __ASM_ARCH_MSM_IOMAP_zinc_H
-#define __ASM_ARCH_MSM_IOMAP_zinc_H
+#ifndef __ASM_ARCH_MSM_IOMAP_8084_H
+#define __ASM_ARCH_MSM_IOMAP_8084_H
 
 /* Physical base address and size of peripherals.
  * Ordered by the virtual base addresses they will be mapped at.
@@ -23,15 +23,15 @@
  *
  */
 
-#define MSMZINC_SHARED_RAM_PHYS     0x0FA00000
+#define APQ8084_SHARED_RAM_PHYS     0x0FA00000
 
-#define MSMZINC_QGIC_DIST_PHYS	0xF9000000
-#define MSMZINC_QGIC_DIST_SIZE	SZ_4K
+#define APQ8084_QGIC_DIST_PHYS	0xF9000000
+#define APQ8084_QGIC_DIST_SIZE	SZ_4K
 
-#define MSMZINC_TLMM_PHYS	0xFD510000
-#define MSMZINC_TLMM_SIZE	SZ_16K
+#define APQ8084_TLMM_PHYS	0xFD510000
+#define APQ8084_TLMM_SIZE	SZ_16K
 
-#ifdef CONFIG_DEBUG_MSMZINC_UART
+#ifdef CONFIG_DEBUG_APQ8084_UART
 #define MSM_DEBUG_UART_BASE	IOMEM(0xFA71E000)
 #define MSM_DEBUG_UART_PHYS	0xF991E000
 #endif
diff --git a/arch/arm/mach-msm/include/mach/msm_iomap-9625.h b/arch/arm/mach-msm/include/mach/msm_iomap-9625.h
index 9a8bfc1..31b19b3 100644
--- a/arch/arm/mach-msm/include/mach/msm_iomap-9625.h
+++ b/arch/arm/mach-msm/include/mach/msm_iomap-9625.h
@@ -38,8 +38,8 @@
 #define MSM9625_MPM2_PSHOLD_SIZE	SZ_4K
 
 #ifdef CONFIG_DEBUG_MSM9625_UART
-#define MSM_DEBUG_UART_BASE	IOMEM(0xFA71E000)
-#define MSM_DEBUG_UART_PHYS	0xF991E000
+#define MSM_DEBUG_UART_BASE	IOMEM(0xFA71F000)
+#define MSM_DEBUG_UART_PHYS	0xF991F000
 #endif
 
 #endif
diff --git a/arch/arm/mach-msm/include/mach/msm_iomap.h b/arch/arm/mach-msm/include/mach/msm_iomap.h
index f27eb36..a90e78a 100644
--- a/arch/arm/mach-msm/include/mach/msm_iomap.h
+++ b/arch/arm/mach-msm/include/mach/msm_iomap.h
@@ -129,7 +129,7 @@
 #include "msm_iomap-8064.h"
 #include "msm_iomap-9615.h"
 #include "msm_iomap-8974.h"
-#include "msm_iomap-zinc.h"
+#include "msm_iomap-8084.h"
 #include "msm_iomap-9625.h"
 #include "msm_iomap-8092.h"
 #include "msm_iomap-8226.h"
diff --git a/arch/arm/mach-msm/include/mach/msm_smd.h b/arch/arm/mach-msm/include/mach/msm_smd.h
index a8c7bb7..d155c6f 100644
--- a/arch/arm/mach-msm/include/mach/msm_smd.h
+++ b/arch/arm/mach-msm/include/mach/msm_smd.h
@@ -279,6 +279,17 @@
  */
 int smd_write_end(smd_channel_t *ch);
 
+/**
+ * smd_write_segment_avail() - available write space for packet transactions
+ * @ch: channel to write packet to
+ * @returns: number of bytes available to write to, or -ENODEV for invalid ch
+ *
+ * This is a version of smd_write_avail() intended for use with packet
+ * transactions.  This version correctly accounts for any internal reserved
+ * space at all stages of the transaction.
+ */
+int smd_write_segment_avail(smd_channel_t *ch);
+
 /*
  * Returns a pointer to the subsystem name or NULL if no
  * subsystem name is available.
@@ -441,6 +452,11 @@
 	return -ENODEV;
 }
 
+static inline int smd_write_segment_avail(smd_channel_t *ch)
+{
+	return -ENODEV;
+}
+
 static inline const char *smd_edge_to_subsystem(uint32_t type)
 {
 	return NULL;
diff --git a/arch/arm/mach-msm/include/mach/msm_smsm.h b/arch/arm/mach-msm/include/mach/msm_smsm.h
index d983ce5..81a6399 100644
--- a/arch/arm/mach-msm/include/mach/msm_smsm.h
+++ b/arch/arm/mach-msm/include/mach/msm_smsm.h
@@ -256,6 +256,18 @@
 int smsm_check_for_modem_crash(void);
 void *smem_find(unsigned id, unsigned size);
 void *smem_get_entry(unsigned id, unsigned *size);
+
+/**
+ * smem_virt_to_phys() - Convert SMEM address to physical address.
+ *
+ * @smem_address: Virtual address returned by smem_alloc()/smem_alloc2()
+ * @returns: Physical address (or NULL if there is a failure)
+ *
+ * This function should only be used if an SMEM item needs to be handed
+ * off to a DMA engine.
+ */
+phys_addr_t smem_virt_to_phys(void *smem_address);
+
 #else
 static inline void *smem_alloc(unsigned id, unsigned size)
 {
@@ -339,5 +351,9 @@
 {
 	return NULL;
 }
+static inline phys_addr_t smem_virt_to_phys(void *smem_address)
+{
+	return NULL;
+}
 #endif
 #endif
diff --git a/arch/arm/mach-msm/include/mach/qdsp6v2/q6core.h b/arch/arm/mach-msm/include/mach/qdsp6v2/q6core.h
index 91e4ef1..ea345fb 100644
--- a/arch/arm/mach-msm/include/mach/qdsp6v2/q6core.h
+++ b/arch/arm/mach-msm/include/mach/qdsp6v2/q6core.h
@@ -53,19 +53,10 @@
 	uint8_t   model_ID[128];
 };
 
-#define ADSP_CMD_SET_DOLBY_MANUFACTURER_ID 0x00012918
-
-struct adsp_dolby_manufacturer_id {
-	struct apr_hdr hdr;
-	int manufacturer_id;
-};
-
 int core_req_bus_bandwith(u16 bus_id, u32 ab_bps, u32 ib_bps);
 
 uint32_t core_get_adsp_version(void);
 
 uint32_t core_set_dts_model_id(uint32_t id_size, uint8_t *id);
 
-uint32_t core_set_dolby_manufacturer_id(int manufacturer_id);
-
 #endif /* __Q6CORE_H__ */
diff --git a/arch/arm/mach-msm/include/mach/qseecomi.h b/arch/arm/mach-msm/include/mach/qseecomi.h
index 20dc851..e889242 100644
--- a/arch/arm/mach-msm/include/mach/qseecomi.h
+++ b/arch/arm/mach-msm/include/mach/qseecomi.h
@@ -18,6 +18,14 @@
 
 #define QSEECOM_KEY_ID_SIZE   32
 
+#define	QSEOS_RESULT_FAIL_LOAD_KS         -48
+#define	QSEOS_RESULT_FAIL_SAVE_KS         -49
+#define	QSEOS_RESULT_FAIL_MAX_KEYS        -50
+#define	QSEOS_RESULT_FAIL_KEY_ID_EXISTS   -51
+#define	QSEOS_RESULT_FAIL_KEY_ID_DNE      -52
+#define	QSEOS_RESULT_FAIL_KS_OP           -53
+#define	QSEOS_RESULT_FAIL_CE_PIPE_INVALID -54
+
 enum qseecom_command_scm_resp_type {
 	QSEOS_APP_ID = 0xEE01,
 	QSEOS_LISTENER_ID
@@ -49,6 +57,22 @@
 	QSEOS_RESULT_FAILURE  = 0xFFFFFFFF
 };
 
+/* Key Management requests */
+enum qseecom_qceos_key_gen_cmd_id {
+	QSEOS_GENERATE_KEY  = 0x11,
+	QSEOS_DELETE_KEY,
+	QSEOS_MAX_KEY_COUNT,
+	QSEOS_SET_KEY,
+	QSEOS_KEY_CMD_MAX   = 0xEFFFFFFF
+};
+
+enum qseecom_pipe_type {
+	QSEOS_PIPE_ENC = 0,
+	QSEOS_PIPE_ENC_XTS,
+	QSEOS_PIPE_AUTH,
+	QSEOS_PIPE_ENUM_FILL = 0x7FFFFFFF
+};
+
 __packed  struct qsee_apps_region_info_ireq {
 	uint32_t qsee_cmd_id;
 	uint32_t addr;
@@ -143,29 +167,24 @@
 	unsigned int rsp_len; /* in/out */
 };
 
-/* Key Management requests */
-enum qseecom_qceos_key_gen_cmd_id {
-	QSEOS_GENERATE_KEY      = 0x02,
-	QSEOS_SET_KEY,
-	QSEOS_DELETE_KEY,
-	QSEOS_MAX_KEY_COUNT,
-	QSEOS_KEY_CMD_MAX     = 0xEFFFFFFF
-};
-
 __packed struct qseecom_key_generate_ireq {
+	uint32_t qsee_command_id;
 	uint32_t flags;
 	uint8_t key_id[QSEECOM_KEY_ID_SIZE];
 };
 
 __packed struct qseecom_key_select_ireq {
+	uint32_t qsee_command_id;
 	uint32_t ce;
 	uint32_t pipe;
+	uint32_t pipe_type;
 	uint32_t flags;
 	uint8_t key_id[QSEECOM_KEY_ID_SIZE];
 	unsigned char hash[QSEECOM_HASH_SIZE];
 };
 
 __packed struct qseecom_key_delete_ireq {
+	uint32_t qsee_command_id;
 	uint32_t flags;
 	uint8_t key_id[QSEECOM_KEY_ID_SIZE];
 };
diff --git a/arch/arm/mach-msm/include/mach/scm.h b/arch/arm/mach-msm/include/mach/scm.h
index 42e04dd..4186603 100644
--- a/arch/arm/mach-msm/include/mach/scm.h
+++ b/arch/arm/mach-msm/include/mach/scm.h
@@ -22,7 +22,6 @@
 #define SCM_SVC_FUSE			0x8
 #define SCM_SVC_PWR			0x9
 #define SCM_SVC_MP			0xC
-#define SCM_SVC_CRYPTO			0xA
 #define SCM_SVC_DCVS			0xD
 #define SCM_SVC_ES			0x10
 #define SCM_SVC_TZSCHEDULER		0xFC
diff --git a/arch/arm/mach-msm/include/mach/socinfo.h b/arch/arm/mach-msm/include/mach/socinfo.h
index 7c9882e..d4ea4ac 100644
--- a/arch/arm/mach-msm/include/mach/socinfo.h
+++ b/arch/arm/mach-msm/include/mach/socinfo.h
@@ -46,8 +46,8 @@
 	of_flat_dt_is_compatible(of_get_flat_dt_root(), "qcom,msm8610")
 #define early_machine_is_mpq8092()	\
 	of_flat_dt_is_compatible(of_get_flat_dt_root(), "qcom,mpq8092")
-#define early_machine_is_msmzinc()	\
-	of_flat_dt_is_compatible(of_get_flat_dt_root(), "qcom,msmzinc")
+#define early_machine_is_apq8084()	\
+	of_flat_dt_is_compatible(of_get_flat_dt_root(), "qcom,apq8084")
 #define early_machine_is_msmkrypton()	\
 	of_flat_dt_is_compatible(of_get_flat_dt_root(), "qcom,msmkrypton")
 #else
@@ -63,7 +63,7 @@
 
 #define early_machine_is_msm8610()	0
 #define early_machine_is_mpq8092()	0
-#define early_machine_is_msmzinc()	0
+#define early_machine_is_apq8084()	0
 #define early_machine_is_msmkrypton()	0
 #endif
 
@@ -102,7 +102,7 @@
 	MSM_CPU_8226,
 	MSM_CPU_8610,
 	MSM_CPU_8625Q,
-	MSM_CPU_ZINC,
+	MSM_CPU_8084,
 	MSM_CPU_KRYPTON,
 };
 
diff --git a/arch/arm/mach-msm/io.c b/arch/arm/mach-msm/io.c
index ecac4a5..37dbbab 100644
--- a/arch/arm/mach-msm/io.c
+++ b/arch/arm/mach-msm/io.c
@@ -45,7 +45,7 @@
 /* msm_shared_ram_phys default value of 0x00100000 is the most common value
  * and should work as-is for any target without stacked memory.
  */
-unsigned int msm_shared_ram_phys = 0x00100000;
+phys_addr_t msm_shared_ram_phys = 0x00100000;
 
 static void __init msm_map_io(struct map_desc *io_desc, int size)
 {
@@ -321,27 +321,27 @@
 }
 #endif /* CONFIG_ARCH_MSM8974 */
 
-#ifdef CONFIG_ARCH_MSMZINC
-static struct map_desc msm_zinc_io_desc[] __initdata = {
-	MSM_CHIP_DEVICE(QGIC_DIST, MSMZINC),
-	MSM_CHIP_DEVICE(TLMM, MSMZINC),
+#ifdef CONFIG_ARCH_APQ8084
+static struct map_desc msm_8084_io_desc[] __initdata = {
+	MSM_CHIP_DEVICE(QGIC_DIST, APQ8084),
+	MSM_CHIP_DEVICE(TLMM, APQ8084),
 	{
 		.virtual =  (unsigned long) MSM_SHARED_RAM_BASE,
 		.length =   MSM_SHARED_RAM_SIZE,
 		.type =     MT_DEVICE,
 	},
-#ifdef CONFIG_DEBUG_MSMZINC_UART
+#ifdef CONFIG_DEBUG_APQ8084_UART
 	MSM_DEVICE(DEBUG_UART),
 #endif
 };
 
-void __init msm_map_zinc_io(void)
+void __init msm_map_8084_io(void)
 {
-	msm_shared_ram_phys = MSMZINC_SHARED_RAM_PHYS;
-	msm_map_io(msm_zinc_io_desc, ARRAY_SIZE(msm_zinc_io_desc));
+	msm_shared_ram_phys = APQ8084_SHARED_RAM_PHYS;
+	msm_map_io(msm_8084_io_desc, ARRAY_SIZE(msm_8084_io_desc));
 	of_scan_flat_dt(msm_scan_dt_map_imem, NULL);
 }
-#endif /* CONFIG_ARCH_MSMZINC */
+#endif /* CONFIG_ARCH_APQ8084 */
 
 #ifdef CONFIG_ARCH_MSM7X30
 static struct map_desc msm7x30_io_desc[] __initdata = {
diff --git a/arch/arm/mach-msm/ipc_router.c b/arch/arm/mach-msm/ipc_router.c
index d81dbb4..0d617a6 100644
--- a/arch/arm/mach-msm/ipc_router.c
+++ b/arch/arm/mach-msm/ipc_router.c
@@ -1587,9 +1587,11 @@
 				if (!rport_ptr)
 					pr_err("%s: Remote port create "
 					       "failed\n", __func__);
-				rport_ptr->sec_rule =
-					msm_ipc_get_security_rule(
-					msg->srv.service, msg->srv.instance);
+				else
+					rport_ptr->sec_rule =
+						msm_ipc_get_security_rule(
+						msg->srv.service,
+						msg->srv.instance);
 			}
 			wake_up(&newserver_wait);
 		}
@@ -1890,6 +1892,7 @@
 	head_skb = skb_peek(pkt->pkt_fragment_q);
 	if (!head_skb) {
 		pr_err("%s: pkt_fragment_q is empty\n", __func__);
+		release_pkt(pkt);
 		return -EINVAL;
 	}
 	hdr = (struct rr_header *)skb_push(head_skb, IPC_ROUTER_HDR_SIZE);
diff --git a/arch/arm/mach-msm/ipc_router_smd_xprt.c b/arch/arm/mach-msm/ipc_router_smd_xprt.c
index 88ab8e0..b2ec816 100644
--- a/arch/arm/mach-msm/ipc_router_smd_xprt.c
+++ b/arch/arm/mach-msm/ipc_router_smd_xprt.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2011-2012, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2011-2013, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -146,11 +146,11 @@
 	skb_queue_walk(pkt->pkt_fragment_q, ipc_rtr_pkt) {
 		offset = 0;
 		while (offset < ipc_rtr_pkt->len) {
-			if (!smd_write_avail(smd_xprtp->channel))
+			if (!smd_write_segment_avail(smd_xprtp->channel))
 				smd_enable_read_intr(smd_xprtp->channel);
 
 			wait_event(smd_xprtp->write_avail_wait_q,
-				(smd_write_avail(smd_xprtp->channel) ||
+				(smd_write_segment_avail(smd_xprtp->channel) ||
 				smd_xprtp->ss_reset));
 			smd_disable_read_intr(smd_xprtp->channel);
 			spin_lock_irqsave(&smd_xprtp->ss_reset_lock, flags);
@@ -175,11 +175,11 @@
 	}
 
 	if (align_sz) {
-		if (smd_write_avail(smd_xprtp->channel) < align_sz)
+		if (smd_write_segment_avail(smd_xprtp->channel) < align_sz)
 			smd_enable_read_intr(smd_xprtp->channel);
 
 		wait_event(smd_xprtp->write_avail_wait_q,
-			((smd_write_avail(smd_xprtp->channel) >=
+			((smd_write_segment_avail(smd_xprtp->channel) >=
 			 align_sz) || smd_xprtp->ss_reset));
 		smd_disable_read_intr(smd_xprtp->channel);
 		spin_lock_irqsave(&smd_xprtp->ss_reset_lock, flags);
@@ -357,7 +357,7 @@
 		if (smd_read_avail(smd_xprtp->channel))
 			queue_delayed_work(smd_xprtp->smd_xprt_wq,
 					   &smd_xprtp->read_work, 0);
-		if (smd_write_avail(smd_xprtp->channel))
+		if (smd_write_segment_avail(smd_xprtp->channel))
 			wake_up(&smd_xprtp->write_avail_wait_q);
 		break;
 
diff --git a/arch/arm/mach-msm/ipc_socket.c b/arch/arm/mach-msm/ipc_socket.c
index c0422a1..342663e 100644
--- a/arch/arm/mach-msm/ipc_socket.c
+++ b/arch/arm/mach-msm/ipc_socket.c
@@ -367,7 +367,8 @@
 	if (port_ptr->type == CLIENT_PORT)
 		wait_for_irsc_completion();
 	ipc_buf = skb_peek(msg);
-	msm_ipc_router_ipc_log(IPC_SEND, ipc_buf, port_ptr);
+	if (ipc_buf)
+		msm_ipc_router_ipc_log(IPC_SEND, ipc_buf, port_ptr);
 	ret = msm_ipc_router_send_to(port_ptr, msg, &dest->address);
 	if (ret == (IPC_ROUTER_HDR_SIZE + total_len))
 		ret = total_len;
@@ -429,7 +430,8 @@
 
 	ret = msm_ipc_router_extract_msg(m, msg);
 	ipc_buf = skb_peek(msg);
-	msm_ipc_router_ipc_log(IPC_RECV, ipc_buf, port_ptr);
+	if (ipc_buf)
+		msm_ipc_router_ipc_log(IPC_RECV, ipc_buf, port_ptr);
 	msm_ipc_router_release_msg(msg);
 	msg = NULL;
 	release_sock(sk);
diff --git a/arch/arm/mach-msm/krait-regulator.c b/arch/arm/mach-msm/krait-regulator.c
index af2fbab..52d20e3 100644
--- a/arch/arm/mach-msm/krait-regulator.c
+++ b/arch/arm/mach-msm/krait-regulator.c
@@ -133,7 +133,6 @@
 #define LDO_DELTA_MIN		10000
 #define LDO_DELTA_MAX		100000
 
-#define MSM_L2_SAW_PHYS		0xf9012000
 /**
  * struct pmic_gang_vreg -
  * @name:			the string used to represent the gang
@@ -378,6 +377,21 @@
 	return online_total;
 }
 
+static int get_total_load(struct krait_power_vreg *from)
+{
+	int load_total = 0;
+	struct krait_power_vreg *kvreg;
+	struct pmic_gang_vreg *pvreg = from->pvreg;
+
+	list_for_each_entry(kvreg, &pvreg->krait_power_vregs, link) {
+		if (!kvreg->online)
+			continue;
+		load_total += kvreg->load;
+	}
+
+	return load_total;
+}
+
 static bool enable_phase_management(struct pmic_gang_vreg *pvreg)
 {
 	struct krait_power_vreg *kvreg;
@@ -396,7 +410,8 @@
 #define ONE_PHASE_COEFF		1000000
 #define TWO_PHASE_COEFF		2000000
 
-#define PHASE_SETTLING_TIME_US		10
+#define PWM_SETTLING_TIME_US		50
+#define PHASE_SETTLING_TIME_US		50
 static unsigned int pmic_gang_set_phases(struct krait_power_vreg *from,
 				int coeff_total)
 {
@@ -404,6 +419,9 @@
 	int phase_count;
 	int rc = 0;
 	int n_online = num_online(pvreg);
+	int load_total;
+
+	load_total = get_total_load(from);
 
 	if (pvreg->manage_phases == false) {
 		if (enable_phase_management(pvreg))
@@ -413,12 +431,12 @@
 	}
 
 	/* First check if the coeff is low for PFM mode */
-	if (coeff_total < pvreg->pfm_threshold && n_online == 1) {
+	if (load_total <= pvreg->pfm_threshold && n_online == 1) {
 		if (!pvreg->pfm_mode) {
 			rc = msm_spm_enable_fts_lpm(PMIC_FTS_MODE_PFM);
 			if (rc) {
-				pr_err("%s PFM en failed coeff_t %d rc = %d\n",
-					from->name, coeff_total, rc);
+				pr_err("%s PFM en failed load_t %d rc = %d\n",
+					from->name, load_total, rc);
 				return rc;
 			} else {
 				pvreg->pfm_mode = true;
@@ -436,6 +454,7 @@
 			return rc;
 		} else {
 			pvreg->pfm_mode = false;
+			udelay(PWM_SETTLING_TIME_US);
 		}
 	}
 
@@ -1310,8 +1329,6 @@
 
 void secondary_cpu_hs_init(void *base_ptr)
 {
-	void *l2_saw_base;
-
 	/* Turn on the BHS, turn off LDO Bypass and power down LDO */
 	writel_relaxed(
 		BHS_CNT_DEFAULT << BHS_CNT_BIT_POS
@@ -1338,23 +1355,6 @@
 		| BHS_SEG_EN_DEFAULT << BHS_SEG_EN_BIT_POS
 		| BHS_EN_MASK,
 		base_ptr + APC_PWR_GATE_CTL);
-
-	if (the_gang && the_gang->manage_phases)
-		return;
-
-	/* If the driver has not yet started to manage phases then enable
-	 * max phases.
-	 */
-	l2_saw_base = ioremap_nocache(MSM_L2_SAW_PHYS, SZ_4K);
-	if (!l2_saw_base) {
-		__WARN();
-		return;
-	}
-	writel_relaxed(0x10003, l2_saw_base + 0x1c);
-	mb();
-	udelay(PHASE_SETTLING_TIME_US);
-
-	iounmap(l2_saw_base);
 }
 
 MODULE_LICENSE("GPL v2");
diff --git a/arch/arm/mach-msm/msm_bus/msm_bus_bimc.c b/arch/arm/mach-msm/msm_bus/msm_bus_bimc.c
index 3c8348d..cd6693e 100644
--- a/arch/arm/mach-msm/msm_bus/msm_bus_bimc.c
+++ b/arch/arm/mach-msm/msm_bus/msm_bus_bimc.c
@@ -477,9 +477,11 @@
 #define M_MODE_ADDR(b, n) \
 		(M_REG_BASE(b) + (0x4000 * (n)) + 0x00000210)
 enum bimc_m_mode {
-	M_MODE_RMSK				= 0xf0000001,
+	M_MODE_RMSK				= 0xf0000011,
 	M_MODE_WR_GATHER_BEATS_BMSK		= 0xf0000000,
 	M_MODE_WR_GATHER_BEATS_SHFT		= 0x1c,
+	M_MODE_NARROW_WR_BMSK			= 0x10,
+	M_MODE_NARROW_WR_SHFT			= 0x4,
 	M_MODE_ORDERING_MODEL_BMSK		= 0x1,
 	M_MODE_ORDERING_MODEL_SHFT		= 0x0,
 };
@@ -1526,10 +1528,10 @@
 		reg_val = readl_relaxed(M_PRIOLVL_OVERRIDE_ADDR(binfo->
 			base, mas_index)) & M_PRIOLVL_OVERRIDE_RMSK;
 		val =  qmode->fixed.prio_level <<
-			M_PRIOLVL_OVERRIDE_OVERRIDE_PRIOLVL_SHFT;
+			M_PRIOLVL_OVERRIDE_SHFT;
 		writel_relaxed(((reg_val &
-			~(M_PRIOLVL_OVERRIDE_OVERRIDE_PRIOLVL_BMSK)) | (val
-			& M_PRIOLVL_OVERRIDE_OVERRIDE_PRIOLVL_BMSK)),
+			~(M_PRIOLVL_OVERRIDE_BMSK)) | (val
+			& M_PRIOLVL_OVERRIDE_BMSK)),
 			M_PRIOLVL_OVERRIDE_ADDR(binfo->base, mas_index));
 
 		reg_val = readl_relaxed(M_RD_CMD_OVERRIDE_ADDR(binfo->
diff --git a/arch/arm/mach-msm/msm_bus/msm_bus_core.h b/arch/arm/mach-msm/msm_bus/msm_bus_core.h
index fd2dbb5..98419a4 100644
--- a/arch/arm/mach-msm/msm_bus/msm_bus_core.h
+++ b/arch/arm/mach-msm/msm_bus/msm_bus_core.h
@@ -36,7 +36,7 @@
 	(((slv >= MSM_BUS_SLAVE_FIRST) && (slv <= MSM_BUS_SLAVE_LAST)) ? 1 : 0)
 
 #define INTERLEAVED_BW(fab_pdata, bw, ports) \
-	((fab_pdata->il_flag) ? msm_bus_div64((bw), (ports)) : (bw))
+	((fab_pdata->il_flag) ? msm_bus_div64((ports), (bw)) : (bw))
 #define INTERLEAVED_VAL(fab_pdata, n) \
 	((fab_pdata->il_flag) ? (n) : 1)
 
diff --git a/arch/arm/mach-msm/msm_watchdog.c b/arch/arm/mach-msm/msm_watchdog.c
index b1c8b30..dcfe13c 100644
--- a/arch/arm/mach-msm/msm_watchdog.c
+++ b/arch/arm/mach-msm/msm_watchdog.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2010-2012, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2010-2013, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -23,6 +23,7 @@
 #include <linux/suspend.h>
 #include <linux/percpu.h>
 #include <linux/interrupt.h>
+#include <linux/reboot.h>
 #include <asm/fiq.h>
 #include <asm/hardware/gic.h>
 #include <mach/msm_iomap.h>
@@ -64,6 +65,12 @@
 module_param(enable, int, 0);
 
 /*
+ * Watchdog bark reboot timeout in seconds.
+ * Can be specified in kernel command line.
+ */
+static int reboot_bark_timeout = 22;
+module_param(reboot_bark_timeout, int, 0644);
+/*
  * If the watchdog is enabled at bootup (enable=1),
  * the runtime_disable sysfs node at
  * /sys/module/msm_watchdog/runtime_disable
@@ -154,6 +161,27 @@
 	.notifier_call	= panic_wdog_handler,
 };
 
+#define get_sclk_hz(t_ms) ((t_ms / 1000) * WDT_HZ)
+#define get_reboot_bark_timeout(t_s) ((t_s * MSEC_PER_SEC) < bark_time ? \
+		get_sclk_hz(bark_time) : get_sclk_hz(t_s * MSEC_PER_SEC))
+
+static int msm_watchdog_reboot_notifier(struct notifier_block *this,
+		unsigned long code, void *unused)
+{
+
+	u64 timeout = get_reboot_bark_timeout(reboot_bark_timeout);
+	__raw_writel(timeout, msm_wdt_base + WDT_BARK_TIME);
+	__raw_writel(timeout + 3 * WDT_HZ,
+			msm_wdt_base + WDT_BITE_TIME);
+	__raw_writel(1, msm_wdt_base + WDT_RST);
+
+	return NOTIFY_DONE;
+}
+
+static struct notifier_block msm_reboot_notifier = {
+	.notifier_call = msm_watchdog_reboot_notifier,
+};
+
 struct wdog_disable_work_data {
 	struct work_struct work;
 	struct completion complete;
@@ -177,6 +205,7 @@
 	}
 	enable = 0;
 	atomic_notifier_chain_unregister(&panic_notifier_list, &panic_blk);
+	unregister_reboot_notifier(&msm_reboot_notifier);
 	cancel_delayed_work(&dogwork_struct);
 	/* may be suspended after the first write above */
 	__raw_writel(0, msm_wdt_base + WDT_EN);
@@ -373,6 +402,10 @@
 	atomic_notifier_chain_register(&panic_notifier_list,
 				       &panic_blk);
 
+	ret = register_reboot_notifier(&msm_reboot_notifier);
+	if (ret)
+		pr_err("Failed to register reboot notifier\n");
+
 	__raw_writel(1, msm_wdt_base + WDT_EN);
 	__raw_writel(1, msm_wdt_base + WDT_RST);
 	last_pet = sched_clock();
@@ -395,6 +428,11 @@
 	}
 
 	bark_time = pdata->bark_time;
+	/* reboot_bark_timeout (in seconds) might have been supplied as
+	 * module parameter.
+	 */
+	if ((reboot_bark_timeout * MSEC_PER_SEC) < bark_time)
+		reboot_bark_timeout = (bark_time / MSEC_PER_SEC);
 	has_vic = pdata->has_vic;
 	if (!pdata->has_secure) {
 		appsbark = 1;
diff --git a/arch/arm/mach-msm/peripheral-loader.c b/arch/arm/mach-msm/peripheral-loader.c
index 056da7d..475e8a1 100644
--- a/arch/arm/mach-msm/peripheral-loader.c
+++ b/arch/arm/mach-msm/peripheral-loader.c
@@ -290,10 +290,12 @@
 static void pil_dump_segs(const struct pil_priv *priv)
 {
 	struct pil_seg *seg;
+	phys_addr_t seg_h_paddr;
 
 	list_for_each_entry(seg, &priv->segs, list) {
-		pil_info(priv->desc, "%d: %#08zx %#08lx\n", seg->num,
-				seg->paddr, seg->paddr + seg->sz);
+		seg_h_paddr = seg->paddr + seg->sz;
+		pil_info(priv->desc, "%d: %pa %pa\n", seg->num,
+				&seg->paddr, &seg_h_paddr);
 	}
 }
 
@@ -322,7 +324,7 @@
 				return 0;
 		}
 	}
-	pil_err(priv->desc, "entry address %08zx not within range\n", entry);
+	pil_err(priv->desc, "entry address %pa not within range\n", &entry);
 	pil_dump_segs(priv);
 	return -EADDRNOTAVAIL;
 }
@@ -489,7 +491,8 @@
 
 static int pil_load_seg(struct pil_desc *desc, struct pil_seg *seg)
 {
-	int ret = 0, count, paddr;
+	int ret = 0, count;
+	phys_addr_t paddr;
 	char fw_name[30];
 	const struct firmware *fw = NULL;
 	const u8 *data;
diff --git a/arch/arm/mach-msm/peripheral-loader.h b/arch/arm/mach-msm/peripheral-loader.h
index ff10fe5..5aeeaf3 100644
--- a/arch/arm/mach-msm/peripheral-loader.h
+++ b/arch/arm/mach-msm/peripheral-loader.h
@@ -55,7 +55,8 @@
 	int (*init_image)(struct pil_desc *pil, const u8 *metadata,
 			  size_t size);
 	int (*mem_setup)(struct pil_desc *pil, phys_addr_t addr, size_t size);
-	int (*verify_blob)(struct pil_desc *pil, u32 phy_addr, size_t size);
+	int (*verify_blob)(struct pil_desc *pil, phys_addr_t phy_addr,
+			   size_t size);
 	int (*proxy_vote)(struct pil_desc *pil);
 	int (*auth_and_reset)(struct pil_desc *pil);
 	void (*proxy_unvote)(struct pil_desc *pil);
diff --git a/arch/arm/mach-msm/pil-gss.c b/arch/arm/mach-msm/pil-gss.c
index d44add6..65f86bc 100644
--- a/arch/arm/mach-msm/pil-gss.c
+++ b/arch/arm/mach-msm/pil-gss.c
@@ -203,7 +203,7 @@
 {
 	struct gss_data *drv = dev_get_drvdata(pil->dev);
 	void __iomem *base = drv->base;
-	unsigned long start_addr = pil_get_entry_addr(pil);
+	phys_addr_t start_addr = pil_get_entry_addr(pil);
 	void __iomem *cbase = drv->cbase;
 	int ret;
 
diff --git a/arch/arm/mach-msm/pil-modem.c b/arch/arm/mach-msm/pil-modem.c
index 30f480a..8398206 100644
--- a/arch/arm/mach-msm/pil-modem.c
+++ b/arch/arm/mach-msm/pil-modem.c
@@ -93,7 +93,7 @@
 {
 	u32 reg;
 	const struct modem_data *drv = dev_get_drvdata(pil->dev);
-	unsigned long start_addr = pil_get_entry_addr(pil);
+	phys_addr_t start_addr = pil_get_entry_addr(pil);
 
 	/* Put modem AHB0,1,2 clocks into reset */
 	writel_relaxed(BIT(0) | BIT(1), drv->cbase + MAHB0_SFAB_PORT_RESET);
diff --git a/arch/arm/mach-msm/pil-pronto.c b/arch/arm/mach-msm/pil-pronto.c
index 0df8739..cf29cf1 100644
--- a/arch/arm/mach-msm/pil-pronto.c
+++ b/arch/arm/mach-msm/pil-pronto.c
@@ -123,7 +123,7 @@
 	int rc;
 	struct pronto_data *drv = dev_get_drvdata(pil->dev);
 	void __iomem *base = drv->base;
-	unsigned long start_addr = pil_get_entry_addr(pil);
+	phys_addr_t start_addr = pil_get_entry_addr(pil);
 
 	/* Deassert reset to subsystem and wait for propagation */
 	reg = readl_relaxed(drv->reset_base);
diff --git a/arch/arm/mach-msm/pil-q6v3.c b/arch/arm/mach-msm/pil-q6v3.c
index 0575a3d..a369878 100644
--- a/arch/arm/mach-msm/pil-q6v3.c
+++ b/arch/arm/mach-msm/pil-q6v3.c
@@ -116,7 +116,7 @@
 {
 	u32 reg;
 	struct q6v3_data *drv = dev_get_drvdata(pil->dev);
-	unsigned long start_addr = pil_get_entry_addr(pil);
+	phys_addr_t start_addr = pil_get_entry_addr(pil);
 
 	/* Put Q6 into reset */
 	reg = readl_relaxed(drv->cbase + LCC_Q6_FUNC);
diff --git a/arch/arm/mach-msm/pil-q6v4.c b/arch/arm/mach-msm/pil-q6v4.c
index 29d14dd..51f7aa2 100644
--- a/arch/arm/mach-msm/pil-q6v4.c
+++ b/arch/arm/mach-msm/pil-q6v4.c
@@ -130,7 +130,7 @@
 {
 	u32 reg, err;
 	const struct q6v4_data *drv = pil_to_q6v4_data(pil);
-	unsigned long start_addr = pil_get_entry_addr(pil);
+	phys_addr_t start_addr = pil_get_entry_addr(pil);
 
 	/* Enable Q6 ACLK */
 	writel_relaxed(0x10, drv->aclk_reg);
diff --git a/arch/arm/mach-msm/pil-q6v5-lpass.c b/arch/arm/mach-msm/pil-q6v5-lpass.c
index 3b2bbf3..04c1be3 100644
--- a/arch/arm/mach-msm/pil-q6v5-lpass.c
+++ b/arch/arm/mach-msm/pil-q6v5-lpass.c
@@ -22,6 +22,7 @@
 #include <linux/interrupt.h>
 #include <linux/delay.h>
 #include <linux/sysfs.h>
+#include <linux/of_gpio.h>
 
 #include <mach/clk.h>
 #include <mach/subsystem_restart.h>
@@ -50,6 +51,8 @@
 	void *wcnss_notif_hdle;
 	void *modem_notif_hdle;
 	int crash_shutdown;
+	unsigned int err_fatal_irq;
+	int force_stop_gpio;
 };
 
 #define subsys_to_drv(d) container_of(d, struct lpass_data, subsys_desc)
@@ -124,7 +127,7 @@
 static int pil_lpass_reset(struct pil_desc *pil)
 {
 	struct q6v5_data *drv = container_of(pil, struct q6v5_data, desc);
-	unsigned long start_addr = pil_get_entry_addr(pil);
+	phys_addr_t start_addr = pil_get_entry_addr(pil);
 	int ret;
 
 	/* Deassert reset to subsystem and wait for propagation */
@@ -259,20 +262,19 @@
 	restart_adsp(drv);
 }
 
-static void adsp_smsm_state_cb(void *data, uint32_t old_state,
-				uint32_t new_state)
+static irqreturn_t adsp_err_fatal_intr_handler (int irq, void *dev_id)
 {
-	struct lpass_data *drv = data;
+	struct lpass_data *drv = dev_id;
 
-	/* Ignore if we're the one that set SMSM_RESET */
+	/* Ignore if we're the one that set the force stop bit in the outbound
+	 * entry
+	 */
 	if (drv->crash_shutdown)
-		return;
+		return IRQ_HANDLED;
 
-	if (new_state & SMSM_RESET) {
-		pr_err("%s: ADSP SMSM state changed to SMSM_RESET, new_state = %#x, old_state = %#x\n",
-				__func__, new_state, old_state);
-		restart_adsp(drv);
-	}
+	pr_err("Fatal error on the ADSP!\n");
+	restart_adsp(drv);
+	return IRQ_HANDLED;
 }
 
 #define SCM_Q6_NMI_CMD 0x1
@@ -356,6 +358,7 @@
 	struct lpass_data *drv = subsys_to_lpass(subsys);
 
 	drv->crash_shutdown = 1;
+	gpio_set_value(drv->force_stop_gpio, 1);
 	send_q6_nmi();
 }
 
@@ -388,7 +391,7 @@
 	struct q6v5_data *q6;
 	struct pil_desc *desc;
 	struct resource *res;
-	int ret;
+	int ret, gpio_clk_ready;
 
 	drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_KERNEL);
 	if (!drv)
@@ -399,6 +402,23 @@
 	if (drv->wdog_irq < 0)
 		return drv->wdog_irq;
 
+	ret = gpio_to_irq(of_get_named_gpio(pdev->dev.of_node,
+					    "qcom,gpio-err-fatal", 0));
+	if (ret < 0)
+		return ret;
+	drv->err_fatal_irq = ret;
+
+	ret = gpio_to_irq(of_get_named_gpio(pdev->dev.of_node,
+					    "qcom,gpio-proxy-unvote", 0));
+	if (ret < 0)
+		return ret;
+	gpio_clk_ready = ret;
+
+	drv->force_stop_gpio = of_get_named_gpio(pdev->dev.of_node,
+						"qcom,gpio-force-stop", 0);
+	if (drv->force_stop_gpio < 0)
+		return drv->force_stop_gpio;
+
 	q6 = pil_q6v5_init(pdev);
 	if (IS_ERR(q6))
 		return PTR_ERR(q6);
@@ -407,6 +427,7 @@
 	desc = &q6->desc;
 	desc->owner = THIS_MODULE;
 	desc->proxy_timeout = PROXY_TIMEOUT_MS;
+	desc->proxy_unvote_irq = gpio_clk_ready;
 
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "restart_reg");
 	q6->restart_reg = devm_request_and_ioremap(&pdev->dev, res);
@@ -470,10 +491,12 @@
 	if (ret)
 		goto err_irq;
 
-	ret = smsm_state_cb_register(SMSM_Q6_STATE, SMSM_RESET,
-			adsp_smsm_state_cb, drv);
-	if (ret < 0)
-		goto err_smsm;
+	ret = devm_request_irq(&pdev->dev, drv->err_fatal_irq,
+				adsp_err_fatal_intr_handler,
+				IRQF_TRIGGER_RISING,
+				dev_name(&pdev->dev), drv);
+	if (ret)
+		goto err_irq;
 
 	drv->wcnss_notif_hdle = subsys_notif_register_notifier("wcnss", &wnb);
 	if (IS_ERR(drv->wcnss_notif_hdle)) {
@@ -507,9 +530,6 @@
 err_notif_modem:
 	subsys_notif_unregister_notifier(drv->wcnss_notif_hdle, &wnb);
 err_notif_wcnss:
-	smsm_state_cb_deregister(SMSM_Q6_STATE, SMSM_RESET,
-			adsp_smsm_state_cb, drv);
-err_smsm:
 err_irq:
 	subsys_unregister(drv->subsys);
 err_subsys:
@@ -524,8 +544,6 @@
 	struct lpass_data *drv = platform_get_drvdata(pdev);
 	subsys_notif_unregister_notifier(drv->wcnss_notif_hdle, &wnb);
 	subsys_notif_unregister_notifier(drv->modem_notif_hdle, &mnb);
-	smsm_state_cb_deregister(SMSM_Q6_STATE, SMSM_RESET,
-			adsp_smsm_state_cb, drv);
 	subsys_unregister(drv->subsys);
 	destroy_ramdump_device(drv->ramdump_dev);
 	pil_desc_release(&drv->q6->desc);
diff --git a/arch/arm/mach-msm/pil-q6v5-mss.c b/arch/arm/mach-msm/pil-q6v5-mss.c
index 8f7d262..c1c3100 100644
--- a/arch/arm/mach-msm/pil-q6v5-mss.c
+++ b/arch/arm/mach-msm/pil-q6v5-mss.c
@@ -243,7 +243,7 @@
 	struct q6v5_data *drv = container_of(pil, struct q6v5_data, desc);
 	struct platform_device *pdev = to_platform_device(pil->dev);
 	struct mba_data *mba = platform_get_drvdata(pdev);
-	unsigned long start_addr = pil_get_entry_addr(pil);
+	phys_addr_t start_addr = pil_get_entry_addr(pil);
 	int ret;
 
 	/*
@@ -402,7 +402,7 @@
 	return ret;
 }
 
-static int pil_mba_verify_blob(struct pil_desc *pil, u32 phy_addr,
+static int pil_mba_verify_blob(struct pil_desc *pil, phys_addr_t phy_addr,
 			       size_t size)
 {
 	struct mba_data *drv = dev_get_drvdata(pil->dev);
@@ -608,8 +608,15 @@
 	if (ret)
 		return ret;
 	ret = pil_boot(&drv->desc);
-	if (ret)
+	if (ret) {
 		pil_shutdown(&drv->q6->desc);
+		/*
+		 * We know now that the unvote interrupt is not coming.
+		 * Remove the proxy votes immediately.
+		 */
+		if (drv->q6->desc.proxy_unvote_irq)
+			pil_q6v5_mss_remove_proxy_votes(&drv->q6->desc);
+	}
 	return ret;
 }
 
diff --git a/arch/arm/mach-msm/pil-q6v5.c b/arch/arm/mach-msm/pil-q6v5.c
index 0263faf..c6add8f 100644
--- a/arch/arm/mach-msm/pil-q6v5.c
+++ b/arch/arm/mach-msm/pil-q6v5.c
@@ -46,7 +46,9 @@
 #define Q6SS_CLK_ENA			BIT(1)
 
 /* QDSP6SS_PWR_CTL */
-#define Q6SS_L2DATA_SLP_NRET_N		(BIT(0)|BIT(1)|BIT(2))
+#define Q6SS_L2DATA_SLP_NRET_N_0	BIT(0)
+#define Q6SS_L2DATA_SLP_NRET_N_1	BIT(1)
+#define Q6SS_L2DATA_SLP_NRET_N_2	BIT(2)
 #define Q6SS_L2TAG_SLP_NRET_N		BIT(16)
 #define Q6SS_ETB_SLP_NRET_N		BIT(17)
 #define Q6SS_L2DATA_STBY_N		BIT(18)
@@ -160,7 +162,8 @@
 	writel_relaxed(val, drv->reg_base + QDSP6SS_PWR_CTL);
 
 	/* Turn off Q6 memories */
-	val &= ~(Q6SS_L2DATA_SLP_NRET_N | Q6SS_SLP_RET_N |
+	val &= ~(Q6SS_L2DATA_SLP_NRET_N_0 | Q6SS_L2DATA_SLP_NRET_N_1 |
+		 Q6SS_L2DATA_SLP_NRET_N_2 | Q6SS_SLP_RET_N |
 		 Q6SS_L2TAG_SLP_NRET_N | Q6SS_ETB_SLP_NRET_N |
 		 Q6SS_L2DATA_STBY_N);
 	writel_relaxed(val, drv->reg_base + QDSP6SS_PWR_CTL);
@@ -194,11 +197,19 @@
 	mb();
 	udelay(1);
 
-	/* Turn on memories */
+	/*
+	 * Turn on memories. L2 banks should be done individually
+	 * to minimize inrush current.
+	 */
 	val = readl_relaxed(drv->reg_base + QDSP6SS_PWR_CTL);
-	val |= Q6SS_L2DATA_SLP_NRET_N | Q6SS_SLP_RET_N |
-	       Q6SS_L2TAG_SLP_NRET_N | Q6SS_ETB_SLP_NRET_N |
-	       Q6SS_L2DATA_STBY_N;
+	val |= Q6SS_SLP_RET_N | Q6SS_L2TAG_SLP_NRET_N |
+	       Q6SS_ETB_SLP_NRET_N | Q6SS_L2DATA_STBY_N;
+	writel_relaxed(val, drv->reg_base + QDSP6SS_PWR_CTL);
+	val |= Q6SS_L2DATA_SLP_NRET_N_2;
+	writel_relaxed(val, drv->reg_base + QDSP6SS_PWR_CTL);
+	val |= Q6SS_L2DATA_SLP_NRET_N_1;
+	writel_relaxed(val, drv->reg_base + QDSP6SS_PWR_CTL);
+	val |= Q6SS_L2DATA_SLP_NRET_N_0;
 	writel_relaxed(val, drv->reg_base + QDSP6SS_PWR_CTL);
 
 	/* Remove IO clamp */
diff --git a/arch/arm/mach-msm/pil-riva.c b/arch/arm/mach-msm/pil-riva.c
index a2665b4..d72b848 100644
--- a/arch/arm/mach-msm/pil-riva.c
+++ b/arch/arm/mach-msm/pil-riva.c
@@ -134,7 +134,7 @@
 	u32 reg, sel;
 	struct riva_data *drv = dev_get_drvdata(pil->dev);
 	void __iomem *base = drv->base;
-	unsigned long start_addr = pil_get_entry_addr(pil);
+	phys_addr_t start_addr = pil_get_entry_addr(pil);
 	void __iomem *cbase = drv->cbase;
 	bool use_cxo = cxo_is_needed(drv);
 
diff --git a/arch/arm/mach-msm/pm-8x60.c b/arch/arm/mach-msm/pm-8x60.c
index 5a6e66a..a39e38b 100644
--- a/arch/arm/mach-msm/pm-8x60.c
+++ b/arch/arm/mach-msm/pm-8x60.c
@@ -64,7 +64,6 @@
 	(container_of(attr, struct msm_pm_kobj_attribute, ka)->cpu)
 
 #define SCLK_HZ (32768)
-#define MSM_PM_SLEEP_TICK_LIMIT (0x6DDD000)
 
 #define NUM_OF_COUNTERS 3
 #define MAX_BUF_SIZE  512
@@ -127,7 +126,6 @@
 static bool msm_pm_use_sync_timer;
 static struct msm_pm_cp15_save_data cp15_data;
 static bool msm_pm_retention_calls_tz;
-static uint32_t msm_pm_max_sleep_time;
 static bool msm_no_ramp_down_pc;
 static struct msm_pm_sleep_status_data *msm_pm_slp_sts;
 static bool msm_pm_pc_reset_timer;
@@ -405,39 +403,6 @@
 	return;
 }
 
-/*
- * Convert time from nanoseconds to slow clock ticks, then cap it to the
- * specified limit
- */
-static int64_t msm_pm_convert_and_cap_time(int64_t time_ns, int64_t limit)
-{
-	do_div(time_ns, NSEC_PER_SEC / SCLK_HZ);
-	return (time_ns > limit) ? limit : time_ns;
-}
-
-/*
- * Set the sleep time for suspend.  0 means infinite sleep time.
- */
-void msm_pm_set_max_sleep_time(int64_t max_sleep_time_ns)
-{
-	if (max_sleep_time_ns == 0) {
-		msm_pm_max_sleep_time = 0;
-	} else {
-		msm_pm_max_sleep_time =
-			(uint32_t)msm_pm_convert_and_cap_time(
-			max_sleep_time_ns, MSM_PM_SLEEP_TICK_LIMIT);
-
-		if (msm_pm_max_sleep_time == 0)
-			msm_pm_max_sleep_time = 1;
-	}
-
-	if (MSM_PM_DEBUG_SUSPEND & msm_pm_debug_mask)
-		pr_info("%s: Requested %lld ns Giving %u sclk ticks\n",
-			__func__, max_sleep_time_ns,
-			msm_pm_max_sleep_time);
-}
-EXPORT_SYMBOL(msm_pm_set_max_sleep_time);
-
 static void msm_pm_save_cpu_reg(void)
 {
 	int i;
@@ -869,9 +834,8 @@
 	int exit_stat = -1;
 	enum msm_pm_sleep_mode sleep_mode;
 	void *msm_pm_idle_rs_limits = NULL;
-	int sleep_delay = 1;
+	uint32_t sleep_delay = 1;
 	int ret = -ENODEV;
-	int64_t timer_expiration = 0;
 	int notify_rpm = false;
 	bool timer_halted = false;
 
@@ -891,10 +855,8 @@
 
 	if (sleep_mode == MSM_PM_SLEEP_MODE_POWER_COLLAPSE) {
 		notify_rpm = true;
-		timer_expiration = msm_pm_timer_enter_idle();
+		sleep_delay = (uint32_t)msm_pm_timer_enter_idle();
 
-		sleep_delay = (uint32_t) msm_pm_convert_and_cap_time(
-			timer_expiration, MSM_PM_SLEEP_TICK_LIMIT);
 		if (sleep_delay == 0) /* 0 would mean infinite time */
 			sleep_delay = 1;
 	}
@@ -1081,6 +1043,7 @@
 		void *rs_limits = NULL;
 		int ret = -ENODEV;
 		uint32_t power;
+		uint32_t msm_pm_max_sleep_time = 0;
 
 		if (MSM_PM_DEBUG_SUSPEND & msm_pm_debug_mask)
 			pr_info("%s: power collapse\n", __func__);
@@ -1090,8 +1053,8 @@
 		if (msm_pm_sleep_time_override > 0) {
 			int64_t ns = NSEC_PER_SEC *
 				(int64_t) msm_pm_sleep_time_override;
-			msm_pm_set_max_sleep_time(ns);
-			msm_pm_sleep_time_override = 0;
+			do_div(ns, NSEC_PER_SEC / SCLK_HZ);
+			msm_pm_max_sleep_time = (uint32_t) ns;
 		}
 
 		if (pm_sleep_ops.lowest_limits)
diff --git a/arch/arm/mach-msm/qdsp6v2/Makefile b/arch/arm/mach-msm/qdsp6v2/Makefile
index 88e2894..6bd3efb 100644
--- a/arch/arm/mach-msm/qdsp6v2/Makefile
+++ b/arch/arm/mach-msm/qdsp6v2/Makefile
@@ -12,7 +12,7 @@
 obj-$(CONFIG_FB_MSM_HDMI_MSM_PANEL) += lpa_if_hdmi.o
 endif
 obj-$(CONFIG_MSM_QDSP6_APR) += apr.o apr_v1.o apr_tal.o q6core.o dsp_debug.o
-obj-$(CONFIG_MSM_QDSP6_APRV2) += apr.o apr_v2.o apr_tal.o q6core.o dsp_debug.o
+obj-$(CONFIG_MSM_QDSP6_APRV2) += apr.o apr_v2.o apr_tal.o dsp_debug.o
 ifdef CONFIG_ARCH_MSM9615
 obj-y += audio_acdb.o
 obj-y += rtac.o
diff --git a/arch/arm/mach-msm/qdsp6v2/q6core.c b/arch/arm/mach-msm/qdsp6v2/q6core.c
index 6594b08..fd699df 100644
--- a/arch/arm/mach-msm/qdsp6v2/q6core.c
+++ b/arch/arm/mach-msm/qdsp6v2/q6core.c
@@ -69,12 +69,12 @@
 		switch (payload1[0]) {
 
 		case ADSP_CMD_SET_POWER_COLLAPSE_STATE:
-			pr_info("Cmd = ADSP_CMD_SET_POWER_COLLAPSE_STATE"
-				" status[0x%x]\n", payload1[1]);
+			pr_info("Cmd = ADSP_CMD_SET_POWER_COLLAPSE_STATE status[0x%x]\n",
+								payload1[1]);
 			break;
 		case ADSP_CMD_REMOTE_BUS_BW_REQUEST:
-			pr_info("%s: cmd = ADSP_CMD_REMOTE_BUS_BW_REQUEST"
-				"  status = 0x%x\n", __func__, payload1[1]);
+			pr_info("%s: cmd = ADSP_CMD_REMOTE_BUS_BW_REQUEST status = 0x%x\n",
+							__func__, payload1[1]);
 
 			bus_bw_resp_received = 1;
 			wake_up(&bus_bw_req_wait);
@@ -160,10 +160,9 @@
 		core_handle_q = apr_register("ADSP", "CORE",
 					aprv2_core_fn_q, 0xFFFFFFFF, NULL);
 	}
-	pr_info("Open_q %p\n", core_handle_q);
-	if (core_handle_q == NULL) {
+	pr_debug("Open_q %p\n", core_handle_q);
+	if (core_handle_q == NULL)
 		pr_err("%s: Unable to register CORE\n", __func__);
-	}
 }
 
 int core_req_bus_bandwith(u16 bus_id, u32 ab_bps, u32 ib_bps)
@@ -352,7 +351,7 @@
 			pc.hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_EVENT,
 					APR_HDR_LEN(APR_HDR_SIZE), APR_PKT_VER);
 			pc.hdr.pkt_size = APR_PKT_SIZE(APR_HDR_SIZE,
-						sizeof(uint32_t));;
+						sizeof(uint32_t));
 			pc.hdr.src_port = 0;
 			pc.hdr.dest_port = 0;
 			pc.hdr.token = 0;
@@ -413,32 +412,6 @@
 	return rc;
 }
 
-uint32_t core_set_dolby_manufacturer_id(int manufacturer_id)
-{
-	struct adsp_dolby_manufacturer_id payload;
-	int rc = 0;
-	pr_debug("%s manufacturer_id :%d\n", __func__, manufacturer_id);
-	core_open();
-	if (core_handle_q) {
-		payload.hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_EVENT,
-			APR_HDR_LEN(APR_HDR_SIZE), APR_PKT_VER);
-		payload.hdr.pkt_size =
-			sizeof(struct adsp_dolby_manufacturer_id);
-		payload.hdr.src_port = 0;
-		payload.hdr.dest_port = 0;
-		payload.hdr.token = 0;
-		payload.hdr.opcode = ADSP_CMD_SET_DOLBY_MANUFACTURER_ID;
-		payload.manufacturer_id = manufacturer_id;
-		pr_debug("Send Dolby security opcode=%x manufacturer ID = %d\n",
-			payload.hdr.opcode, payload.manufacturer_id);
-		rc = apr_send_pkt(core_handle_q, (uint32_t *)&payload);
-		if (rc < 0)
-			pr_err("%s: SET_DOLBY_MANUFACTURER_ID failed op[0x%x]rc[%d]\n",
-				__func__, payload.hdr.opcode, rc);
-	}
-	return rc;
-}
-
 static const struct file_operations apr_debug_fops = {
 	.write = apr_debug_write,
 	.open = apr_debug_open,
diff --git a/arch/arm/mach-msm/remote_spinlock.c b/arch/arm/mach-msm/remote_spinlock.c
index 94923a0..62e3e05 100644
--- a/arch/arm/mach-msm/remote_spinlock.c
+++ b/arch/arm/mach-msm/remote_spinlock.c
@@ -143,6 +143,7 @@
 }
 /* end dekkers implementation ----------------------------------------------- */
 
+#ifndef CONFIG_THUMB2_KERNEL
 /* swp implementation ------------------------------------------------------- */
 static void __raw_remote_swp_spin_lock(raw_remote_spinlock_t *lock)
 {
@@ -194,6 +195,7 @@
 	: "cc");
 }
 /* end swp implementation --------------------------------------------------- */
+#endif
 
 /* ldrex implementation ----------------------------------------------------- */
 static char *ldrex_compatible_string = "qcom,ipc-spinlock-ldrex";
@@ -431,6 +433,7 @@
 		current_ops.owner = __raw_remote_dek_spin_owner;
 		is_hw_lock_type = 0;
 		break;
+#ifndef CONFIG_THUMB2_KERNEL
 	case SWP_MODE:
 		current_ops.lock = __raw_remote_swp_spin_lock;
 		current_ops.unlock = __raw_remote_swp_spin_unlock;
@@ -439,6 +442,7 @@
 		current_ops.owner = __raw_remote_gen_spin_owner;
 		is_hw_lock_type = 0;
 		break;
+#endif
 	case LDREX_MODE:
 		current_ops.lock = __raw_remote_ex_spin_lock;
 		current_ops.unlock = __raw_remote_ex_spin_unlock;
diff --git a/arch/arm/mach-msm/rpm_log.c b/arch/arm/mach-msm/rpm_log.c
index 53d5752..58e8588 100644
--- a/arch/arm/mach-msm/rpm_log.c
+++ b/arch/arm/mach-msm/rpm_log.c
@@ -213,7 +213,7 @@
 		return -EINVAL;
 	if (!buf->data)
 		return -ENOMEM;
-	if (!bufu || count < 0)
+	if (!bufu || count == 0)
 		return -EINVAL;
 	if (!access_ok(VERIFY_WRITE, bufu, count))
 		return -EFAULT;
diff --git a/arch/arm/mach-msm/smd.c b/arch/arm/mach-msm/smd.c
index 8a9042e..3590e6b 100644
--- a/arch/arm/mach-msm/smd.c
+++ b/arch/arm/mach-msm/smd.c
@@ -34,7 +34,6 @@
 #include <linux/kfifo.h>
 #include <linux/wakelock.h>
 #include <linux/notifier.h>
-#include <linux/sort.h>
 #include <linux/suspend.h>
 #include <linux/of.h>
 #include <linux/of_irq.h>
@@ -47,6 +46,7 @@
 #include <mach/proc_comm.h>
 #include <mach/msm_ipc_logging.h>
 #include <mach/ramdump.h>
+#include <mach/board.h>
 
 #include <asm/cacheflush.h>
 
@@ -76,6 +76,7 @@
 #define SMSM_SNAPSHOT_CNT 64
 #define SMSM_SNAPSHOT_SIZE ((SMSM_NUM_ENTRIES + 1) * 4)
 #define RSPIN_INIT_WAIT_MS 1000
+#define SMD_FIFO_FULL_RESERVE 4
 
 uint32_t SMSM_NUM_ENTRIES = 8;
 uint32_t SMSM_NUM_HOSTS = 3;
@@ -183,7 +184,7 @@
 static struct smem_area *smem_areas;
 static struct ramdump_segment *smem_ramdump_segments;
 static void *smem_ramdump_dev;
-static void *smem_range_check(phys_addr_t base, unsigned offset);
+static void *smem_phys_to_virt(phys_addr_t base, unsigned offset);
 static void *smd_dev;
 
 struct interrupt_stat interrupt_stats[NUM_SMD_SUBSYSTEMS];
@@ -243,6 +244,17 @@
 #define SMx_POWER_INFO(x...) do { } while (0)
 #endif
 
+/**
+ * OVERFLOW_ADD_UNSIGNED() - check for unsigned overflow
+ *
+ * @type: type to check for overflow
+ * @a: left value to use
+ * @b: right value to use
+ * @returns: true if a + b will result in overflow; false otherwise
+ */
+#define OVERFLOW_ADD_UNSIGNED(type, a, b) \
+	(((type)~0 - (a)) < (b) ? true : false)
+
 static unsigned last_heap_free = 0xffffffff;
 
 static inline void smd_write_intr(unsigned int val,
@@ -1053,8 +1065,16 @@
 /* how many bytes we are free to write */
 static int smd_stream_write_avail(struct smd_channel *ch)
 {
-	return ch->fifo_mask - ((ch->half_ch->get_head(ch->send) -
-			ch->half_ch->get_tail(ch->send)) & ch->fifo_mask);
+	int bytes_avail;
+
+	bytes_avail = ch->fifo_mask - ((ch->half_ch->get_head(ch->send) -
+			ch->half_ch->get_tail(ch->send)) & ch->fifo_mask) + 1;
+
+	if (bytes_avail < SMD_FIFO_FULL_RESERVE)
+		bytes_avail = 0;
+	else
+		bytes_avail -= SMD_FIFO_FULL_RESERVE;
+	return bytes_avail;
 }
 
 static int smd_packet_read_avail(struct smd_channel *ch)
@@ -1176,7 +1196,18 @@
 	}
 }
 
-/* provide a pointer and length to next free space in the fifo */
+/**
+ * ch_write_buffer() - Provide a pointer and length for the next segment of
+ * free space in the FIFO.
+ * @ch: channel
+ * @ptr: Address to pointer for the next segment write
+ * @returns: Maximum size that can be written until the FIFO is either full
+ *           or the end of the FIFO has been reached.
+ *
+ * The returned pointer and length are passed to memcpy, so the next segment is
+ * defined as either the space available between the read index (tail) and the
+ * write index (head) or the space available to the end of the FIFO.
+ */
 static unsigned ch_write_buffer(struct smd_channel *ch, void **ptr)
 {
 	unsigned head = ch->half_ch->get_head(ch->send);
@@ -1184,10 +1215,11 @@
 	*ptr = (void *) (ch->send_data + head);
 
 	if (head < tail) {
-		return tail - head - 1;
+		return tail - head - SMD_FIFO_FULL_RESERVE;
 	} else {
-		if (tail == 0)
-			return ch->fifo_size - head - 1;
+		if (tail < SMD_FIFO_FULL_RESERVE)
+			return ch->fifo_size + tail - head
+					- SMD_FIFO_FULL_RESERVE;
 		else
 			return ch->fifo_size - head;
 	}
@@ -2111,6 +2143,29 @@
 }
 EXPORT_SYMBOL(smd_write_end);
 
+int smd_write_segment_avail(smd_channel_t *ch)
+{
+	int n;
+
+	if (!ch) {
+		pr_err("%s: Invalid channel specified\n", __func__);
+		return -ENODEV;
+	}
+	if (!ch->is_pkt_ch) {
+		pr_err("%s: non-packet channel specified\n", __func__);
+		return -ENODEV;
+	}
+
+	n = smd_stream_write_avail(ch);
+
+	/* pkt hdr already written, no need to reserve space for it */
+	if (ch->pending_pkt_sz)
+		return n;
+
+	return n > SMD_HEADER_SIZE ? n - SMD_HEADER_SIZE : 0;
+}
+EXPORT_SYMBOL(smd_write_segment_avail);
+
 int smd_read(smd_channel_t *ch, void *data, int len)
 {
 	if (!ch) {
@@ -2356,37 +2411,107 @@
 
 /* -------------------------------------------------------------------------- */
 
-/*
- * Shared Memory Range Check
- *
- * Takes a physical address and an offset and checks if the resulting physical
- * address would fit into one of the aux smem regions.  If so, returns the
- * corresponding virtual address.  Otherwise returns NULL.  Expects the array
- * of smem regions to be in ascending physical address order.
+/**
+ * smem_phys_to_virt() - Convert a physical base and offset to virtual address
  *
  * @base: physical base address to check
  * @offset: offset from the base to get the final address
+ * @returns: virtual SMEM address; NULL for failure
+ *
+ * Takes a physical address and an offset and checks if the resulting physical
+ * address would fit into one of the smem regions.  If so, returns the
+ * corresponding virtual address.  Otherwise returns NULL.
  */
-static void *smem_range_check(phys_addr_t base, unsigned offset)
+static void *smem_phys_to_virt(phys_addr_t base, unsigned offset)
 {
 	int i;
 	phys_addr_t phys_addr;
 	resource_size_t size;
 
+	if (OVERFLOW_ADD_UNSIGNED(phys_addr_t, base, offset))
+		return NULL;
+
+	if (!smem_areas) {
+		/*
+		 * Early boot - no area configuration yet, so default
+		 * to using the main memory region.
+		 *
+		 * To remove the MSM_SHARED_RAM_BASE and the static
+		 * mapping of SMEM in the future, add dump_stack()
+		 * to identify the early callers of smem_get_entry()
+		 * (which calls this function) and replace those calls
+		 * with a new function that knows how to lookup the
+		 * SMEM base address before SMEM has been probed.
+		 */
+		phys_addr = msm_shared_ram_phys;
+		size = MSM_SHARED_RAM_SIZE;
+
+		if (base >= phys_addr && base + offset < phys_addr + size) {
+			if (OVERFLOW_ADD_UNSIGNED(uintptr_t,
+				(uintptr_t)MSM_SHARED_RAM_BASE, offset)) {
+				pr_err("%s: overflow %p %x\n", __func__,
+					MSM_SHARED_RAM_BASE, offset);
+				return NULL;
+			}
+
+			return MSM_SHARED_RAM_BASE + offset;
+		} else {
+			return NULL;
+		}
+	}
 	for (i = 0; i < num_smem_areas; ++i) {
 		phys_addr = smem_areas[i].phys_addr;
 		size = smem_areas[i].size;
-		if (base < phys_addr)
-			return NULL;
-		if (base > phys_addr + size)
+
+		if (base < phys_addr || base + offset >= phys_addr + size)
 			continue;
-		if (base >= phys_addr && base + offset < phys_addr + size)
-			return smem_areas[i].virt_addr + offset;
+
+		if (OVERFLOW_ADD_UNSIGNED(uintptr_t,
+				(uintptr_t)smem_areas[i].virt_addr, offset)) {
+			pr_err("%s: overflow %p %x\n", __func__,
+				smem_areas[i].virt_addr, offset);
+			return NULL;
+		}
+
+		return smem_areas[i].virt_addr + offset;
 	}
 
 	return NULL;
 }
 
+/**
+ * smem_virt_to_phys() - Convert SMEM address to physical address.
+ *
+ * @smem_address: Address of SMEM item (returned by smem_alloc(), etc)
+ * @returns: Physical address (or NULL if there is a failure)
+ *
+ * This function should only be used if an SMEM item needs to be handed
+ * off to a DMA engine.
+ */
+phys_addr_t smem_virt_to_phys(void *smem_address)
+{
+	phys_addr_t phys_addr = 0;
+	int i;
+	void *vend;
+
+	if (!smem_areas)
+		return phys_addr;
+
+	for (i = 0; i < num_smem_areas; ++i) {
+		vend = (void *)(smem_areas[i].virt_addr + smem_areas[i].size);
+
+		if (smem_address >= smem_areas[i].virt_addr &&
+				smem_address < vend) {
+			phys_addr = smem_address - smem_areas[i].virt_addr;
+			phys_addr +=  smem_areas[i].phys_addr;
+			break;
+		}
+	}
+
+	return phys_addr;
+}
+EXPORT_SYMBOL(smem_virt_to_phys);
+
 /* smem_alloc returns the pointer to smem item if it is already allocated.
  * Otherwise, it returns NULL.
  */
@@ -2460,14 +2585,15 @@
 		remote_spin_lock_irqsave(&remote_spinlock, flags);
 	/* toc is in device memory and cannot be speculatively accessed */
 	if (toc[id].allocated) {
+		phys_addr_t phys_base;
+
 		*size = toc[id].size;
 		barrier();
-		if (!(toc[id].reserved & BASE_ADDR_MASK))
-			ret = (void *) (MSM_SHARED_RAM_BASE + toc[id].offset);
-		else
-			ret = smem_range_check(
-				toc[id].reserved & BASE_ADDR_MASK,
-				toc[id].offset);
+
+		phys_base = toc[id].reserved & BASE_ADDR_MASK;
+		if (!phys_base)
+			phys_base = (phys_addr_t)msm_shared_ram_phys;
+		ret = smem_phys_to_virt(phys_base, toc[id].offset);
 	} else {
 		*size = 0;
 	}
@@ -3420,14 +3546,6 @@
 	return ret;
 }
 
-int sort_cmp_func(const void *a, const void *b)
-{
-	struct smem_area *left = (struct smem_area *)(a);
-	struct smem_area *right = (struct smem_area *)(b);
-
-	return left->phys_addr - right->phys_addr;
-}
-
 int smd_core_platform_init(struct platform_device *pdev)
 {
 	int i;
@@ -3438,7 +3556,8 @@
 	struct smd_subsystem_config *cfg;
 	int err_ret = 0;
 	struct smd_smem_regions *smd_smem_areas;
-	int smem_idx = 0;
+	struct smem_area *smem_areas_tmp = NULL;
+	int smem_idx;
 
 	smd_platform_data = pdev->dev.platform_data;
 	num_ss = smd_platform_data->num_ss_configs;
@@ -3449,37 +3568,54 @@
 			   smd_ssr_config->disable_smsm_reset_handshake;
 
 	smd_smem_areas = smd_platform_data->smd_smem_areas;
-	if (smd_smem_areas) {
-		num_smem_areas = smd_platform_data->num_smem_areas;
-		smem_areas = kmalloc(sizeof(struct smem_area) * num_smem_areas,
-						GFP_KERNEL);
-		if (!smem_areas) {
-			pr_err("%s: smem_areas kmalloc failed\n", __func__);
+	num_smem_areas = smd_platform_data->num_smem_areas + 1;
+
+	/* Initialize main SMEM region */
+	smem_areas_tmp = kmalloc_array(num_smem_areas, sizeof(struct smem_area),
+				GFP_KERNEL);
+	if (!smem_areas_tmp) {
+		pr_err("%s: smem_areas kmalloc failed\n", __func__);
+		err_ret = -ENOMEM;
+		goto smem_areas_alloc_fail;
+	}
+
+	smem_areas_tmp[0].phys_addr =  msm_shared_ram_phys;
+	smem_areas_tmp[0].size = MSM_SHARED_RAM_SIZE;
+	smem_areas_tmp[0].virt_addr = MSM_SHARED_RAM_BASE;
+
+	/* Configure auxiliary SMEM regions */
+	for (smem_idx = 1; smem_idx < num_smem_areas; ++smem_idx) {
+		smem_areas_tmp[smem_idx].phys_addr =
+				smd_smem_areas[smem_idx].phys_addr;
+		smem_areas_tmp[smem_idx].size =
+				smd_smem_areas[smem_idx].size;
+		smem_areas_tmp[smem_idx].virt_addr = ioremap_nocache(
+			(unsigned long)(smem_areas_tmp[smem_idx].phys_addr),
+			smem_areas_tmp[smem_idx].size);
+		if (!smem_areas_tmp[smem_idx].virt_addr) {
+			pr_err("%s: ioremap_nocache() of addr: %pa size: %pa\n",
+				__func__,
+				&smem_areas_tmp[smem_idx].phys_addr,
+				&smem_areas_tmp[smem_idx].size);
 			err_ret = -ENOMEM;
-			goto smem_areas_alloc_fail;
+			goto smem_failed;
 		}
 
-		for (smem_idx = 0; smem_idx < num_smem_areas; ++smem_idx) {
-			smem_areas[smem_idx].phys_addr =
-					smd_smem_areas[smem_idx].phys_addr;
-			smem_areas[smem_idx].size =
-					smd_smem_areas[smem_idx].size;
-			smem_areas[smem_idx].virt_addr = ioremap_nocache(
-				(unsigned long)(smem_areas[smem_idx].phys_addr),
-				smem_areas[smem_idx].size);
-			if (!smem_areas[smem_idx].virt_addr) {
-				pr_err("%s: ioremap_nocache() of addr: %pa size: %pa\n",
-					__func__,
-					&smem_areas[smem_idx].phys_addr,
-					&smem_areas[smem_idx].size);
-				err_ret = -ENOMEM;
-				++smem_idx;
-				goto smem_failed;
-			}
+		if (OVERFLOW_ADD_UNSIGNED(uintptr_t,
+				(uintptr_t)smem_areas_tmp[smem_idx].virt_addr,
+				smem_areas_tmp[smem_idx].size)) {
+			pr_err("%s: invalid virtual address block %i: %p:%pa\n",
+					__func__, smem_idx,
+					smem_areas_tmp[smem_idx].virt_addr,
+					&smem_areas_tmp[smem_idx].size);
+			++smem_idx;
+			err_ret = -EINVAL;
+			goto smem_failed;
 		}
-		sort(smem_areas, num_smem_areas,
-				sizeof(struct smem_area),
-				sort_cmp_func, NULL);
+
+		SMD_DBG("%s: %d = %pa %pa", __func__, smem_idx,
+				&smd_smem_areas[smem_idx].phys_addr,
+				&smd_smem_areas[smem_idx].size);
 	}
 
 	for (i = 0; i < num_ss; i++) {
@@ -3523,8 +3659,9 @@
 				cfg->subsys_name, SMD_MAX_CH_NAME_LEN);
 	}
 
-
 	SMD_INFO("smd_core_platform_init() done\n");
+
+	smem_areas = smem_areas_tmp;
 	return 0;
 
 intr_failed:
@@ -3542,9 +3679,12 @@
 				);
 	}
 smem_failed:
-	for (smem_idx = smem_idx - 1; smem_idx >= 0; --smem_idx)
-		iounmap(smem_areas[smem_idx].virt_addr);
-	kfree(smem_areas);
+	for (smem_idx = smem_idx - 1; smem_idx >= 1; --smem_idx)
+		iounmap(smem_areas_tmp[smem_idx].virt_addr);
+
+	num_smem_areas = 0;
+	kfree(smem_areas_tmp);
+
 smem_areas_alloc_fail:
 	return err_ret;
 }
@@ -3718,12 +3858,14 @@
 	resource_size_t aux_mem_size;
 	int temp_string_size = 11; /* max 3 digit count */
 	char temp_string[temp_string_size];
-	int count;
 	struct device_node *node;
 	int ret;
 	const char *compatible;
-	struct ramdump_segment *ramdump_segments_tmp;
+	struct ramdump_segment *ramdump_segments_tmp = NULL;
+	struct smem_area *smem_areas_tmp = NULL;
+	int smem_idx = 0;
 	int subnode_num = 0;
+	int i;
 	resource_size_t irq_out_size;
 
 	disable_smsm_reset_handshake = 1;
@@ -3743,101 +3885,115 @@
 	}
 	SMD_DBG("%s: %s = %p", __func__, key, irq_out_base);
 
-	count = 1;
+	num_smem_areas = 1;
 	while (1) {
-		scnprintf(temp_string, temp_string_size, "aux-mem%d", count);
+		scnprintf(temp_string, temp_string_size, "aux-mem%d",
+				num_smem_areas);
 		r = platform_get_resource_byname(pdev, IORESOURCE_MEM,
 								temp_string);
 		if (!r)
 			break;
 
 		++num_smem_areas;
-		++count;
-		if (count > 999) {
+		if (num_smem_areas > 999) {
 			pr_err("%s: max num aux mem regions reached\n",
 								__func__);
 			break;
 		}
 	}
 
-	/* initialize SSR ramdump regions */
+	/* Initialize main SMEM region and SSR ramdump region */
 	key = "smem";
 	r = platform_get_resource_byname(pdev, IORESOURCE_MEM, key);
 	if (!r) {
 		pr_err("%s: missing '%s'\n", __func__, key);
 		return -ENODEV;
 	}
-	ramdump_segments_tmp = kmalloc_array(num_smem_areas + 1,
-			sizeof(struct ramdump_segment), GFP_KERNEL);
 
+	smem_areas_tmp = kmalloc_array(num_smem_areas, sizeof(struct smem_area),
+				GFP_KERNEL);
+	if (!smem_areas_tmp) {
+		pr_err("%s: smem areas kmalloc failed\n", __func__);
+		ret = -ENOMEM;
+		goto free_smem_areas;
+	}
+
+	ramdump_segments_tmp = kmalloc_array(num_smem_areas,
+			sizeof(struct ramdump_segment), GFP_KERNEL);
 	if (!ramdump_segments_tmp) {
 		pr_err("%s: ramdump segment kmalloc failed\n", __func__);
 		ret = -ENOMEM;
 		goto free_smem_areas;
 	}
-	ramdump_segments_tmp[0].address = r->start;
-	ramdump_segments_tmp[0].size = resource_size(r);
 
-	if (num_smem_areas) {
+	smem_areas_tmp[smem_idx].phys_addr =  r->start;
+	smem_areas_tmp[smem_idx].size = resource_size(r);
+	smem_areas_tmp[smem_idx].virt_addr = MSM_SHARED_RAM_BASE;
 
-		smem_areas = kmalloc(sizeof(struct smem_area) * num_smem_areas,
-					GFP_KERNEL);
+	ramdump_segments_tmp[smem_idx].address = r->start;
+	ramdump_segments_tmp[smem_idx].size = resource_size(r);
+	++smem_idx;
 
-		if (!smem_areas) {
-			pr_err("%s: smem areas kmalloc failed\n", __func__);
+	/* Configure auxiliary SMEM regions */
+	while (1) {
+		scnprintf(temp_string, temp_string_size, "aux-mem%d",
+								smem_idx);
+		r = platform_get_resource_byname(pdev, IORESOURCE_MEM,
+							temp_string);
+		if (!r)
+			break;
+		aux_mem_base = r->start;
+		aux_mem_size = resource_size(r);
+
+		ramdump_segments_tmp[smem_idx].address = aux_mem_base;
+		ramdump_segments_tmp[smem_idx].size = aux_mem_size;
+
+		smem_areas_tmp[smem_idx].phys_addr = aux_mem_base;
+		smem_areas_tmp[smem_idx].size = aux_mem_size;
+		smem_areas_tmp[smem_idx].virt_addr = ioremap_nocache(
+			(unsigned long)(smem_areas_tmp[smem_idx].phys_addr),
+			smem_areas_tmp[smem_idx].size);
+		SMD_DBG("%s: %s = %pa %pa -> %p", __func__, temp_string,
+				&aux_mem_base, &aux_mem_size,
+				smem_areas_tmp[smem_idx].virt_addr);
+
+		if (!smem_areas_tmp[smem_idx].virt_addr) {
+			pr_err("%s: ioremap_nocache() of addr:%pa size: %pa\n",
+				__func__,
+				&smem_areas_tmp[smem_idx].phys_addr,
+				&smem_areas_tmp[smem_idx].size);
 			ret = -ENOMEM;
 			goto free_smem_areas;
 		}
-		count = 1;
-		while (1) {
-			scnprintf(temp_string, temp_string_size, "aux-mem%d",
-									count);
-			r = platform_get_resource_byname(pdev, IORESOURCE_MEM,
-								temp_string);
-			if (!r)
-				break;
-			aux_mem_base = r->start;
-			aux_mem_size = resource_size(r);
 
-			/*
-			 * Add to ram-dumps segments.
-			 * ramdump_segments_tmp[0] is the main SMEM region,
-			 * so auxiliary segments are indexed by count
-			 * instead of count - 1.
-			 */
-			ramdump_segments_tmp[count].address = aux_mem_base;
-			ramdump_segments_tmp[count].size = aux_mem_size;
-
-			SMD_DBG("%s: %s = %pa %pa", __func__, temp_string,
-					&aux_mem_base, &aux_mem_size);
-			smem_areas[count - 1].phys_addr = aux_mem_base;
-			smem_areas[count - 1].size = aux_mem_size;
-			smem_areas[count - 1].virt_addr = ioremap_nocache(
-				(unsigned long)(smem_areas[count-1].phys_addr),
-				smem_areas[count - 1].size);
-			if (!smem_areas[count - 1].virt_addr) {
-				pr_err("%s: ioremap_nocache() of addr:%pa size: %pa\n",
-					__func__,
-					&smem_areas[count - 1].phys_addr,
-					&smem_areas[count - 1].size);
-				ret = -ENOMEM;
-				goto free_smem_areas;
-			}
-
-			++count;
-			if (count > 999) {
-				pr_err("%s: max num aux mem regions reached\n",
-								__func__);
-				break;
-			}
+		if (OVERFLOW_ADD_UNSIGNED(uintptr_t,
+				(uintptr_t)smem_areas_tmp[smem_idx].virt_addr,
+				smem_areas_tmp[smem_idx].size)) {
+			pr_err("%s: invalid virtual address block %i: %p:%pa\n",
+					__func__, smem_idx,
+					smem_areas_tmp[smem_idx].virt_addr,
+					&smem_areas_tmp[smem_idx].size);
+			++smem_idx;
+			ret = -EINVAL;
+			goto free_smem_areas;
 		}
-		sort(smem_areas, num_smem_areas,
-				sizeof(struct smem_area),
-				sort_cmp_func, NULL);
+
+		++smem_idx;
+		if (smem_idx > 999) {
+			pr_err("%s: max num aux mem regions reached\n",
+							__func__);
+			break;
+		}
 	}
 
 	for_each_child_of_node(pdev->dev.of_node, node) {
 		compatible = of_get_property(node, "compatible", NULL);
+		if (!compatible) {
+			pr_err("%s: invalid child node: compatible null\n",
+				__func__);
+			ret = -ENODEV;
+			goto rollback_subnodes;
+		}
 		if (!strcmp(compatible, "qcom,smd")) {
 			ret = parse_smd_devicetree(node, irq_out_base);
 			if (ret)
@@ -3855,15 +4011,16 @@
 		++subnode_num;
 	}
 
+	smem_areas = smem_areas_tmp;
 	smem_ramdump_segments = ramdump_segments_tmp;
 	return 0;
 
 rollback_subnodes:
-	count = 0;
+	i = 0;
 	for_each_child_of_node(pdev->dev.of_node, node) {
-		if (count >= subnode_num)
+		if (i >= subnode_num)
 			break;
-		++count;
+		++i;
 		compatible = of_get_property(node, "compatible", NULL);
 		if (!strcmp(compatible, "qcom,smd"))
 			unparse_smd_devicetree(node);
@@ -3871,10 +4028,12 @@
 			unparse_smsm_devicetree(node);
 	}
 free_smem_areas:
+	for (smem_idx = smem_idx - 1; smem_idx >= 1; --smem_idx)
+		iounmap(smem_areas_tmp[smem_idx].virt_addr);
+
 	num_smem_areas = 0;
 	kfree(ramdump_segments_tmp);
-	kfree(smem_areas);
-	smem_areas = NULL;
+	kfree(smem_areas_tmp);
 	return ret;
 }
 
diff --git a/arch/arm/mach-msm/smd_pkt.c b/arch/arm/mach-msm/smd_pkt.c
index 7eb9ead..20a6165 100644
--- a/arch/arm/mach-msm/smd_pkt.c
+++ b/arch/arm/mach-msm/smd_pkt.c
@@ -41,7 +41,7 @@
 #ifdef CONFIG_ARCH_FSM9XXX
 #define NUM_SMD_PKT_PORTS 4
 #else
-#define NUM_SMD_PKT_PORTS 27
+#define NUM_SMD_PKT_PORTS 28
 #endif
 
 #define PDRIVER_NAME_MAX_SIZE 32
@@ -509,7 +509,7 @@
 	do {
 		prepare_to_wait(&smd_pkt_devp->ch_write_wait_queue,
 				&write_wait, TASK_UNINTERRUPTIBLE);
-		if (!smd_write_avail(smd_pkt_devp->ch) &&
+		if (!smd_write_segment_avail(smd_pkt_devp->ch) &&
 		    !smd_pkt_devp->has_reset) {
 			smd_enable_read_intr(smd_pkt_devp->ch);
 			schedule();
@@ -631,7 +631,7 @@
 		return;
 	}
 
-	sz = smd_write_avail(smd_pkt_devp->ch);
+	sz = smd_write_segment_avail(smd_pkt_devp->ch);
 	if (sz) {
 		D_WRITE("%s: %d bytes write space in smd_pkt_dev id:%d\n",
 			__func__, sz, smd_pkt_devp->i);
@@ -729,6 +729,7 @@
 	"smd_test_framework",
 	"smd_logging_0",
 	"smd_data_0",
+	"apr",
 	"smd_pkt_loopback",
 };
 
@@ -759,6 +760,7 @@
 	"TESTFRAMEWORK",
 	"LOGGING",
 	"DATA",
+	"apr",
 	"LOOPBACK",
 };
 
@@ -789,6 +791,7 @@
 	SMD_APPS_QDSP,
 	SMD_APPS_QDSP,
 	SMD_APPS_QDSP,
+	SMD_APPS_QDSP,
 	SMD_APPS_MODEM,
 };
 #endif
diff --git a/arch/arm/mach-msm/socinfo.c b/arch/arm/mach-msm/socinfo.c
index 83f7a1d..12a3ceb 100644
--- a/arch/arm/mach-msm/socinfo.c
+++ b/arch/arm/mach-msm/socinfo.c
@@ -328,7 +328,12 @@
 
 	/* 8610 IDs */
 	[147] = MSM_CPU_8610,
+	[161] = MSM_CPU_8610,
+	[162] = MSM_CPU_8610,
+	[163] = MSM_CPU_8610,
+	[164] = MSM_CPU_8610,
 	[165] = MSM_CPU_8610,
+	[166] = MSM_CPU_8610,
 
 	/* 8064AB IDs */
 	[153] = MSM_CPU_8064AB,
@@ -348,8 +353,8 @@
 	/* 8064AA IDs */
 	[172] = MSM_CPU_8064AA,
 
-	/* zinc IDs */
-	[178] = MSM_CPU_ZINC,
+	/* 8084 IDs */
+	[178] = MSM_CPU_8084,
 
 	/* krypton IDs */
 	[187] = MSM_CPU_KRYPTON,
@@ -853,9 +858,9 @@
 		dummy_socinfo.id = 146;
 		strlcpy(dummy_socinfo.build_id, "mpq8092 - ",
 		sizeof(dummy_socinfo.build_id));
-	} else if (early_machine_is_msmzinc()) {
+	} else if (early_machine_is_apq8084()) {
 		dummy_socinfo.id = 178;
-		strlcpy(dummy_socinfo.build_id, "msmzinc - ",
+		strlcpy(dummy_socinfo.build_id, "apq8084 - ",
 			sizeof(dummy_socinfo.build_id));
 	} else if (early_machine_is_msmkrypton()) {
 		dummy_socinfo.id = 187;
diff --git a/arch/arm/mach-msm/spm_devices.c b/arch/arm/mach-msm/spm_devices.c
index 233c5a5..174d444 100644
--- a/arch/arm/mach-msm/spm_devices.c
+++ b/arch/arm/mach-msm/spm_devices.c
@@ -74,6 +74,7 @@
 
 	info.cpu = cpu;
 	info.vlevel = vlevel;
+	info.err = -ENODEV;
 
 	if (cpu_online(cpu)) {
 		/**
diff --git a/drivers/bluetooth/bluetooth-power.c b/drivers/bluetooth/bluetooth-power.c
index d7c69db..13c9080 100644
--- a/drivers/bluetooth/bluetooth-power.c
+++ b/drivers/bluetooth/bluetooth-power.c
@@ -23,38 +23,227 @@
 #include <linux/gpio.h>
 #include <linux/of_gpio.h>
 #include <linux/delay.h>
+#include <linux/bluetooth-power.h>
+#include <linux/slab.h>
+#include <linux/regulator/consumer.h>
 
-static struct of_device_id ar3002_match_table[] = {
+#define BT_PWR_DBG(fmt, arg...)  pr_debug("%s: " fmt "\n" , __func__ , ## arg)
+#define BT_PWR_INFO(fmt, arg...) pr_info("%s: " fmt "\n" , __func__ , ## arg)
+#define BT_PWR_ERR(fmt, arg...)  pr_err("%s: " fmt "\n" , __func__ , ## arg)
+
+
+static struct of_device_id bt_power_match_table[] = {
 	{	.compatible = "qca,ar3002" },
 	{}
 };
 
-static int bt_reset_gpio;
-
+static struct bluetooth_power_platform_data *bt_power_pdata;
+static struct platform_device *btpdev;
 static bool previous;
 
-static int bluetooth_power(int on)
+static int bt_vreg_init(struct bt_power_vreg_data *vreg)
 {
-	int rc;
+	int rc = 0;
+	struct device *dev = &btpdev->dev;
 
-	pr_debug("%s  bt_gpio= %d\n", __func__, bt_reset_gpio);
+	BT_PWR_DBG("vreg_get for : %s", vreg->name);
+
+	/* Get the regulator handle */
+	vreg->reg = regulator_get(dev, vreg->name);
+	if (IS_ERR(vreg->reg)) {
+		rc = PTR_ERR(vreg->reg);
+		pr_err("%s: regulator_get(%s) failed. rc=%d\n",
+			__func__, vreg->name, rc);
+		goto out;
+	}
+
+	if ((regulator_count_voltages(vreg->reg) > 0)
+			&& (vreg->low_vol_level) && (vreg->high_vol_level))
+		vreg->set_voltage_sup = 1;
+
+out:
+	return rc;
+}
+
+static int bt_vreg_enable(struct bt_power_vreg_data *vreg)
+{
+	int rc = 0;
+
+	BT_PWR_DBG("vreg_en for : %s", vreg->name);
+
+	if (!vreg->is_enabled) {
+		if (vreg->set_voltage_sup) {
+			rc = regulator_set_voltage(vreg->reg,
+						vreg->low_vol_level,
+						vreg->high_vol_level);
+			if (rc < 0) {
+				BT_PWR_ERR("vreg_set_vol(%s) failed rc=%d\n",
+						vreg->name, rc);
+				goto out;
+			}
+		}
+
+		rc = regulator_enable(vreg->reg);
+		if (rc < 0) {
+			BT_PWR_ERR("regulator_enable(%s) failed. rc=%d\n",
+					vreg->name, rc);
+			goto out;
+		}
+		vreg->is_enabled = true;
+	}
+out:
+	return rc;
+}
+
+static int bt_vreg_disable(struct bt_power_vreg_data *vreg)
+{
+	int rc = 0;
+
+	if (!vreg)
+		return rc;
+
+	BT_PWR_DBG("vreg_disable for : %s", vreg->name);
+
+	if (vreg->is_enabled) {
+		rc = regulator_disable(vreg->reg);
+		if (rc < 0) {
+			BT_PWR_ERR("regulator_disable(%s) failed. rc=%d\n",
+					vreg->name, rc);
+			goto out;
+		}
+		vreg->is_enabled = false;
+
+		if (vreg->set_voltage_sup) {
+			/* Set the min voltage to 0 */
+			rc = regulator_set_voltage(vreg->reg,
+						0,
+						vreg->high_vol_level);
+			if (rc < 0) {
+				BT_PWR_ERR("vreg_set_vol(%s) failed rc=%d\n",
+						vreg->name, rc);
+				goto out;
+
+			}
+		}
+	}
+out:
+	return rc;
+}
+
+static int bt_configure_vreg(struct bt_power_vreg_data *vreg)
+{
+	int rc = 0;
+
+	BT_PWR_DBG("config %s", vreg->name);
+
+	/* Get the regulator handle for vreg */
+	if (!(vreg->reg)) {
+		rc = bt_vreg_init(vreg);
+		if (rc < 0)
+			return rc;
+	}
+	rc = bt_vreg_enable(vreg);
+
+	return rc;
+}
+
+static int bt_configure_gpios(int on)
+{
+	int rc = 0;
+	int bt_reset_gpio = bt_power_pdata->bt_gpio_sys_rst;
+
+	BT_PWR_DBG("%s  bt_gpio= %d on: %d", __func__, bt_reset_gpio, on);
+
 	if (on) {
+		rc = gpio_request(bt_reset_gpio, "bt_sys_rst_n");
+		if (rc) {
+			BT_PWR_ERR("unable to request gpio %d (%d)\n",
+					bt_reset_gpio, rc);
+			return rc;
+		}
+
+		rc = gpio_direction_output(bt_reset_gpio, 0);
+		if (rc) {
+			BT_PWR_ERR("Unable to set direction\n");
+			return rc;
+		}
+
 		rc = gpio_direction_output(bt_reset_gpio, 1);
 		if (rc) {
-			pr_err("%s: Unable to set direction\n", __func__);
+			BT_PWR_ERR("Unable to set direction\n");
 			return rc;
 		}
 		msleep(100);
 	} else {
 		gpio_set_value(bt_reset_gpio, 0);
+
 		rc = gpio_direction_input(bt_reset_gpio);
-		if (rc) {
-			pr_err("%s: Unable to set direction\n", __func__);
-			return rc;
-		}
+		if (rc)
+			BT_PWR_ERR("Unable to set direction\n");
+
 		msleep(100);
 	}
-	return 0;
+	return rc;
+}
+
+static int bluetooth_power(int on)
+{
+	int rc = 0;
+
+	BT_PWR_DBG("on: %d", on);
+
+	if (on) {
+		if (bt_power_pdata->bt_vdd_io) {
+			rc = bt_configure_vreg(bt_power_pdata->bt_vdd_io);
+			if (rc < 0) {
+				BT_PWR_ERR("bt_power vddio config failed");
+				goto out;
+			}
+		}
+		if (bt_power_pdata->bt_vdd_ldo) {
+			rc = bt_configure_vreg(bt_power_pdata->bt_vdd_ldo);
+			if (rc < 0) {
+				BT_PWR_ERR("bt_power vddldo config failed");
+				goto vdd_ldo_fail;
+			}
+		}
+		if (bt_power_pdata->bt_vdd_pa) {
+			rc = bt_configure_vreg(bt_power_pdata->bt_vdd_pa);
+			if (rc < 0) {
+				BT_PWR_ERR("bt_power vddpa config failed");
+				goto vdd_pa_fail;
+			}
+		}
+		if (bt_power_pdata->bt_chip_pwd) {
+			rc = bt_configure_vreg(bt_power_pdata->bt_chip_pwd);
+			if (rc < 0) {
+				BT_PWR_ERR("bt_power vddldo config failed");
+				goto chip_pwd_fail;
+			}
+		}
+		if (bt_power_pdata->bt_gpio_sys_rst) {
+			rc = bt_configure_gpios(on);
+			if (rc < 0) {
+				BT_PWR_ERR("bt_power gpio config failed");
+				goto gpio_fail;
+			}
+		}
+	} else {
+		bt_configure_gpios(on);
+gpio_fail:
+		if (bt_power_pdata->bt_gpio_sys_rst)
+			gpio_free(bt_power_pdata->bt_gpio_sys_rst);
+		bt_vreg_disable(bt_power_pdata->bt_chip_pwd);
+chip_pwd_fail:
+		bt_vreg_disable(bt_power_pdata->bt_vdd_pa);
+vdd_pa_fail:
+		bt_vreg_disable(bt_power_pdata->bt_vdd_ldo);
+vdd_ldo_fail:
+		bt_vreg_disable(bt_power_pdata->bt_vdd_io);
+	}
+
+out:
+	return rc;
 }
 
 static int bluetooth_toggle_radio(void *data, bool blocked)
@@ -62,7 +251,9 @@
 	int ret = 0;
 	int (*power_control)(int enable);
 
-	power_control = data;
+	power_control =
+		((struct bluetooth_power_platform_data *)data)->bt_power_setup;
+
 	if (previous != blocked)
 		ret = (*power_control)(!blocked);
 	if (!ret)
@@ -117,47 +308,146 @@
 	platform_set_drvdata(pdev, NULL);
 }
 
+#define MAX_PROP_SIZE 32
+static int bt_dt_parse_vreg_info(struct device *dev,
+		struct bt_power_vreg_data **vreg_data, const char *vreg_name)
+{
+	int len, ret = 0;
+	const __be32 *prop;
+	char prop_name[MAX_PROP_SIZE];
+	struct bt_power_vreg_data *vreg;
+	struct device_node *np = dev->of_node;
+
+	BT_PWR_DBG("vreg dev tree parse for %s", vreg_name);
+
+	snprintf(prop_name, MAX_PROP_SIZE, "%s-supply", vreg_name);
+	if (of_parse_phandle(np, prop_name, 0)) {
+		vreg = devm_kzalloc(dev, sizeof(*vreg), GFP_KERNEL);
+		if (!vreg) {
+			dev_err(dev, "No memory for vreg: %s\n", vreg_name);
+			ret = -ENOMEM;
+			goto err;
+		}
+
+		vreg->name = vreg_name;
+
+		snprintf(prop_name, MAX_PROP_SIZE,
+				"qcom,%s-voltage-level", vreg_name);
+		prop = of_get_property(np, prop_name, &len);
+		if (!prop || (len != (2 * sizeof(__be32)))) {
+			dev_warn(dev, "%s %s property\n",
+				prop ? "invalid format" : "no", prop_name);
+		} else {
+			vreg->low_vol_level = be32_to_cpup(&prop[0]);
+			vreg->high_vol_level = be32_to_cpup(&prop[1]);
+		}
+
+		*vreg_data = vreg;
+		BT_PWR_DBG("%s: vol=[%d %d]uV\n",
+			vreg->name, vreg->low_vol_level,
+			vreg->high_vol_level);
+	} else
+		BT_PWR_INFO("%s: is not provided in device tree", vreg_name);
+
+err:
+	return ret;
+}
+
+static int bt_power_populate_dt_pinfo(struct platform_device *pdev)
+{
+	int rc;
+
+	BT_PWR_DBG("");
+
+	if (!bt_power_pdata)
+		return -ENOMEM;
+
+	if (pdev->dev.of_node) {
+		bt_power_pdata->bt_gpio_sys_rst =
+			of_get_named_gpio(pdev->dev.of_node,
+						"qca,bt-reset-gpio", 0);
+		if (bt_power_pdata->bt_gpio_sys_rst < 0) {
+			BT_PWR_ERR("bt-reset-gpio not provided in device tree");
+			return bt_power_pdata->bt_gpio_sys_rst;
+		}
+
+		rc = bt_dt_parse_vreg_info(&pdev->dev,
+					&bt_power_pdata->bt_vdd_io,
+					"qca,bt-vdd-io");
+		if (rc < 0)
+			return rc;
+
+		rc = bt_dt_parse_vreg_info(&pdev->dev,
+					&bt_power_pdata->bt_vdd_pa,
+					"qca,bt-vdd-pa");
+		if (rc < 0)
+			return rc;
+
+		rc = bt_dt_parse_vreg_info(&pdev->dev,
+					&bt_power_pdata->bt_vdd_ldo,
+					"qca,bt-vdd-ldo");
+		if (rc < 0)
+			return rc;
+
+		rc = bt_dt_parse_vreg_info(&pdev->dev,
+					&bt_power_pdata->bt_chip_pwd,
+					"qca,bt-chip-pwd");
+		if (rc < 0)
+			return rc;
+
+	}
+
+	bt_power_pdata->bt_power_setup = bluetooth_power;
+
+	return 0;
+}
+
 static int __devinit bt_power_probe(struct platform_device *pdev)
 {
 	int ret = 0;
 
 	dev_dbg(&pdev->dev, "%s\n", __func__);
 
-	if (!pdev->dev.platform_data) {
-		/* Update the platform data if the
-		device node exists as part of device tree.*/
-		if (pdev->dev.of_node) {
-			pdev->dev.platform_data = bluetooth_power;
-		} else {
-			dev_err(&pdev->dev, "device node not set\n");
-			return -ENOSYS;
-		}
+	bt_power_pdata =
+		kzalloc(sizeof(struct bluetooth_power_platform_data),
+			GFP_KERNEL);
+
+	if (!bt_power_pdata) {
+		BT_PWR_ERR("Failed to allocate memory");
+		return -ENOMEM;
 	}
+
 	if (pdev->dev.of_node) {
-		bt_reset_gpio = of_get_named_gpio(pdev->dev.of_node,
-							"qca,bt-reset-gpio", 0);
-		if (bt_reset_gpio < 0) {
-			pr_err("bt-reset-gpio not available");
-			return bt_reset_gpio;
+		ret = bt_power_populate_dt_pinfo(pdev);
+		if (ret < 0) {
+			BT_PWR_ERR("Failed to populate device tree info");
+			goto free_pdata;
 		}
+		pdev->dev.platform_data = bt_power_pdata;
+	} else if (pdev->dev.platform_data) {
+		/* Optional data set to default if not provided */
+		if (!((struct bluetooth_power_platform_data *)
+			(pdev->dev.platform_data))->bt_power_setup)
+			((struct bluetooth_power_platform_data *)
+				(pdev->dev.platform_data))->bt_power_setup =
+						bluetooth_power;
+
+		memcpy(bt_power_pdata, pdev->dev.platform_data,
+			sizeof(struct bluetooth_power_platform_data));
+	} else {
+		BT_PWR_ERR("Failed to get platform data");
+		goto free_pdata;
 	}
 
-	ret = gpio_request(bt_reset_gpio, "bt sys_rst_n");
-	if (ret) {
-		pr_err("%s: unable to request gpio %d (%d)\n",
-			__func__, bt_reset_gpio, ret);
-		return ret;
-	}
+	if (bluetooth_power_rfkill_probe(pdev) < 0)
+		goto free_pdata;
 
-	/* When booting up, de-assert BT reset pin */
-	ret = gpio_direction_output(bt_reset_gpio, 0);
-	if (ret) {
-		pr_err("%s: Unable to set direction\n", __func__);
-		return ret;
-	}
+	btpdev = pdev;
 
-	ret = bluetooth_power_rfkill_probe(pdev);
+	return 0;
 
+free_pdata:
+	kfree(bt_power_pdata);
 	return ret;
 }
 
@@ -167,6 +457,11 @@
 
 	bluetooth_power_rfkill_remove(pdev);
 
+	if (bt_power_pdata->bt_chip_pwd->reg)
+		regulator_put(bt_power_pdata->bt_chip_pwd->reg);
+
+	kfree(bt_power_pdata);
+
 	return 0;
 }
 
@@ -176,7 +471,7 @@
 	.driver = {
 		.name = "bt_power",
 		.owner = THIS_MODULE,
-		.of_match_table = ar3002_match_table,
+		.of_match_table = bt_power_match_table,
 	},
 };
 
diff --git a/drivers/char/adsprpc.c b/drivers/char/adsprpc.c
index d78327f..51578e0 100644
--- a/drivers/char/adsprpc.c
+++ b/drivers/char/adsprpc.c
@@ -527,11 +527,9 @@
 {
 	struct fastrpc_apps *me = &gfa;
 
-	if (me->chan)
-		(void)smd_close(me->chan);
+	smd_close(me->chan);
 	context_list_dtor(&me->clst);
-	if (me->iclient)
-		ion_client_destroy(me->iclient);
+	ion_client_destroy(me->iclient);
 	me->iclient = 0;
 	me->chan = 0;
 }
@@ -584,25 +582,32 @@
 			INIT_HLIST_HEAD(&me->htbl[i]);
 		VERIFY(err, 0 == context_list_ctor(&me->clst, SZ_4K));
 		if (err)
-			goto bail;
+			goto context_list_bail;
 		me->iclient = msm_ion_client_create(ION_HEAP_CARVEOUT_MASK,
 							DEVICE_NAME);
 		VERIFY(err, 0 == IS_ERR_OR_NULL(me->iclient));
 		if (err)
-			goto bail;
+			goto ion_bail;
 		VERIFY(err, 0 == smd_named_open_on_edge(FASTRPC_SMD_GUID,
 						SMD_APPS_QDSP, &me->chan,
 						me, smd_event_handler));
 		if (err)
-			goto bail;
+			goto smd_bail;
 		VERIFY(err, 0 != wait_for_completion_timeout(&me->work,
 							RPC_TIMEOUT));
 		if (err)
-			goto bail;
+			goto completion_bail;
 	}
- bail:
-	if (err)
-		fastrpc_deinit();
+
+	return 0;
+
+completion_bail:
+	smd_close(me->chan);
+smd_bail:
+	ion_client_destroy(me->iclient);
+ion_bail:
+	context_list_dtor(&me->clst);
+context_list_bail:
 	return err;
 }
 
@@ -1090,35 +1095,37 @@
 
 	VERIFY(err, 0 == fastrpc_init());
 	if (err)
-		goto bail;
+		goto fastrpc_bail;
 	VERIFY(err, 0 == alloc_chrdev_region(&me->dev_no, 0, 1, DEVICE_NAME));
 	if (err)
-		goto bail;
+		goto alloc_chrdev_bail;
 	cdev_init(&me->cdev, &fops);
 	me->cdev.owner = THIS_MODULE;
 	VERIFY(err, 0 == cdev_add(&me->cdev, MKDEV(MAJOR(me->dev_no), 0), 1));
 	if (err)
-		goto bail;
+		goto cdev_init_bail;
 	me->class = class_create(THIS_MODULE, "chardrv");
 	VERIFY(err, !IS_ERR(me->class));
 	if (err)
-		goto bail;
+		goto class_create_bail;
 	me->dev = device_create(me->class, NULL, MKDEV(MAJOR(me->dev_no), 0),
 				NULL, DEVICE_NAME);
 	VERIFY(err, !IS_ERR(me->dev));
 	if (err)
-		goto bail;
+		goto device_create_bail;
 	pr_info("'created /dev/%s c %d 0'\n", DEVICE_NAME, MAJOR(me->dev_no));
- bail:
-	if (err) {
-		if (me->dev_no)
-			unregister_chrdev_region(me->dev_no, 1);
-		if (me->class)
-			class_destroy(me->class);
-		if (me->cdev.owner)
-			cdev_del(&me->cdev);
-		fastrpc_deinit();
-	}
+
+	return 0;
+
+device_create_bail:
+	class_destroy(me->class);
+class_create_bail:
+	cdev_del(&me->cdev);
+cdev_init_bail:
+	unregister_chrdev_region(me->dev_no, 1);
+alloc_chrdev_bail:
+	fastrpc_deinit();
+fastrpc_bail:
 	return err;
 }
 
diff --git a/drivers/char/diag/diag_dci.c b/drivers/char/diag/diag_dci.c
index 6d28042..682d876 100644
--- a/drivers/char/diag/diag_dci.c
+++ b/drivers/char/diag/diag_dci.c
@@ -1090,6 +1090,12 @@
 		diag_smd_destructor(&driver->smd_dci[i]);
 
 	platform_driver_unregister(&msm_diag_dci_driver);
+
+	if (driver->dci_client_tbl) {
+		for (i = 0; i < MAX_DCI_CLIENTS; i++)
+			kfree(driver->dci_client_tbl[i].dci_data);
+	}
+
 	kfree(driver->req_tracking_tbl);
 	kfree(driver->dci_client_tbl);
 	kfree(driver->apps_dci_buf);
diff --git a/drivers/char/diag/diag_masks.c b/drivers/char/diag/diag_masks.c
index 9e36e1e..04c3300 100644
--- a/drivers/char/diag/diag_masks.c
+++ b/drivers/char/diag/diag_masks.c
@@ -481,6 +481,7 @@
 	driver->feature_mask->ctrl_pkt_data_len = 4 + FEATURE_MASK_LEN_BYTES;
 	driver->feature_mask->feature_mask_len = FEATURE_MASK_LEN_BYTES;
 	memcpy(buf, driver->feature_mask, header_size);
+	feature_byte |= F_DIAG_INT_FEATURE_MASK;
 	feature_byte |= APPS_RESPOND_LOG_ON_DEMAND;
 	memcpy(buf+header_size, &feature_byte, FEATURE_MASK_LEN_BYTES);
 
diff --git a/drivers/char/diag/diagchar.h b/drivers/char/diag/diagchar.h
index 6f37608..684f11d 100644
--- a/drivers/char/diag/diagchar.h
+++ b/drivers/char/diag/diagchar.h
@@ -37,6 +37,7 @@
 #define HDLC_OUT_BUF_SIZE	8192
 #define POOL_TYPE_COPY		1
 #define POOL_TYPE_HDLC		2
+#define POOL_TYPE_USER		3
 #define POOL_TYPE_WRITE_STRUCT	4
 #define POOL_TYPE_HSIC		5
 #define POOL_TYPE_HSIC_2	6
@@ -55,7 +56,7 @@
 #define MSG_MASK_SIZE 10000
 #define LOG_MASK_SIZE 8000
 #define EVENT_MASK_SIZE 1000
-#define USER_SPACE_DATA 8000
+#define USER_SPACE_DATA 8192
 #define PKT_SIZE 4096
 #define MAX_EQUIP_ID 15
 #define DIAG_CTRL_MSG_LOG_MASK	9
@@ -234,16 +235,20 @@
 	unsigned int poolsize;
 	unsigned int itemsize_hdlc;
 	unsigned int poolsize_hdlc;
+	unsigned int itemsize_user;
+	unsigned int poolsize_user;
 	unsigned int itemsize_write_struct;
 	unsigned int poolsize_write_struct;
 	unsigned int debug_flag;
 	/* State for the mempool for the char driver */
 	mempool_t *diagpool;
 	mempool_t *diag_hdlc_pool;
+	mempool_t *diag_user_pool;
 	mempool_t *diag_write_struct_pool;
 	struct mutex diagmem_mutex;
 	int count;
 	int count_hdlc_pool;
+	int count_user_pool;
 	int count_write_struct_pool;
 	int used;
 	/* Buffers for masks */
@@ -259,7 +264,6 @@
 	struct diag_smd_info smd_dci[NUM_SMD_DCI_CHANNELS];
 	unsigned char *usb_buf_out;
 	unsigned char *apps_rsp_buf;
-	unsigned char *user_space_data;
 	/* buffer for updating mask to peripherals */
 	unsigned char *buf_msg_mask_update;
 	unsigned char *buf_log_mask_update;
@@ -276,6 +280,8 @@
 	struct usb_diag_ch *legacy_ch;
 	struct work_struct diag_proc_hdlc_work;
 	struct work_struct diag_read_work;
+	struct work_struct diag_usb_connect_work;
+	struct work_struct diag_usb_disconnect_work;
 #endif
 	struct workqueue_struct *diag_wq;
 	struct work_struct diag_drain_work;
@@ -312,6 +318,7 @@
 #ifdef CONFIG_DIAGFWD_BRIDGE_CODE
 	spinlock_t hsic_ready_spinlock;
 	/* common for all bridges */
+	struct work_struct diag_connect_work;
 	struct work_struct diag_disconnect_work;
 	/* SGLTE variables */
 	int lcid;
diff --git a/drivers/char/diag/diagchar_core.c b/drivers/char/diag/diagchar_core.c
index a0c32f5..7022a6f 100644
--- a/drivers/char/diag/diagchar_core.c
+++ b/drivers/char/diag/diagchar_core.c
@@ -56,13 +56,16 @@
 /* The following variables can be specified by module options */
  /* for copy buffer */
 static unsigned int itemsize = 4096; /*Size of item in the mempool */
-static unsigned int poolsize = 10; /*Number of items in the mempool */
+static unsigned int poolsize = 12; /*Number of items in the mempool */
 /* for hdlc buffer */
 static unsigned int itemsize_hdlc = 8192; /*Size of item in the mempool */
-static unsigned int poolsize_hdlc = 8;  /*Number of items in the mempool */
+static unsigned int poolsize_hdlc = 10;  /*Number of items in the mempool */
+/* for user buffer */
+static unsigned int itemsize_user = 8192; /*Size of item in the mempool */
+static unsigned int poolsize_user = 8;  /*Number of items in the mempool */
 /* for write structure buffer */
 static unsigned int itemsize_write_struct = 20; /*Size of item in the mempool */
-static unsigned int poolsize_write_struct = 8; /* Num of items in the mempool */
+static unsigned int poolsize_write_struct = 10;/* Num of items in the mempool */
 /* This is the max number of user-space clients supported at initialization*/
 static unsigned int max_clients = 15;
 static unsigned int threshold_client_limit = 30;
@@ -781,10 +784,26 @@
 {
 	int i, temp, success = -EINVAL, status;
 	int temp_realtime_mode = driver->real_time_mode;
+	int requested_mode = (int)ioarg;
+
+	switch (requested_mode) {
+	case USB_MODE:
+	case MEMORY_DEVICE_MODE:
+	case NO_LOGGING_MODE:
+	case UART_MODE:
+	case SOCKET_MODE:
+	case CALLBACK_MODE:
+	case MEMORY_DEVICE_MODE_NRT:
+		break;
+	default:
+		pr_err("diag: In %s, request to switch to invalid mode: %d\n",
+			__func__, requested_mode);
+		return -EINVAL;
+	}
 
 	mutex_lock(&driver->diagchar_mutex);
 	temp = driver->logging_mode;
-	driver->logging_mode = (int)ioarg;
+	driver->logging_mode = requested_mode;
 
 	if (driver->logging_mode == MEMORY_DEVICE_MODE_NRT) {
 		diag_send_diag_mode_update(MODE_NONREALTIME);
@@ -1013,6 +1032,8 @@
 					 current->tgid)
 					driver->req_tracking_tbl[i].pid = 0;
 			driver->dci_client_tbl[result].client = NULL;
+			kfree(driver->dci_client_tbl[result].dci_data);
+			driver->dci_client_tbl[result].dci_data = NULL;
 			driver->num_dci_client--;
 		}
 		mutex_unlock(&driver->dci_mutex);
@@ -1362,6 +1383,7 @@
 	struct diag_send_desc_type send = { NULL, NULL, DIAG_STATE_START, 0 };
 	struct diag_hdlc_dest_type enc = { NULL, NULL, 0 };
 	void *buf_copy = NULL;
+	void *user_space_data = NULL;
 	unsigned int payload_size;
 
 	index = 0;
@@ -1388,31 +1410,50 @@
 	}
 #endif /* DIAG over USB */
 	if (pkt_type == DCI_DATA_TYPE) {
-		err = copy_from_user(driver->user_space_data, buf + 4,
-							 payload_size);
+		user_space_data = diagmem_alloc(driver, payload_size,
+								POOL_TYPE_USER);
+		if (!user_space_data) {
+			driver->dropped_count++;
+			return -ENOMEM;
+		}
+		err = copy_from_user(user_space_data, buf + 4, payload_size);
 		if (err) {
 			pr_alert("diag: copy failed for DCI data\n");
 			return DIAG_DCI_SEND_DATA_FAIL;
 		}
-		err = diag_process_dci_transaction(driver->user_space_data,
+		err = diag_process_dci_transaction(user_space_data,
 							payload_size);
+		diagmem_free(driver, user_space_data, POOL_TYPE_USER);
 		return err;
 	}
 	if (pkt_type == CALLBACK_DATA_TYPE) {
-		err = copy_from_user(driver->user_space_data, buf + 4,
-							 payload_size);
-		 if (err) {
+		if (payload_size > itemsize) {
+			pr_err("diag: Dropping packet, packet payload size crosses 4KB limit. Current payload size %d\n",
+				payload_size);
+			driver->dropped_count++;
+			return -EBADMSG;
+		}
+
+		buf_copy = diagmem_alloc(driver, payload_size, POOL_TYPE_COPY);
+		if (!buf_copy) {
+			driver->dropped_count++;
+			return -ENOMEM;
+		}
+
+		err = copy_from_user(buf_copy, buf + 4, payload_size);
+		if (err) {
 			pr_err("diag: copy failed for user space data\n");
 			return -EIO;
 		}
 		/* Check for proc_type */
-		remote_proc = diag_get_remote(*(int *)driver->user_space_data);
+		remote_proc = diag_get_remote(*(int *)buf_copy);
 
 		if (!remote_proc) {
 			wait_event_interruptible(driver->wait_q,
 				 (driver->in_busy_pktdata == 0));
-			return diag_process_apps_pkt(driver->user_space_data,
-							payload_size);
+			ret = diag_process_apps_pkt(buf_copy, payload_size);
+			diagmem_free(driver, buf_copy, POOL_TYPE_COPY);
+			return ret;
 		}
 		/* The packet is for the remote processor */
 		token_offset = 4;
@@ -1420,8 +1461,8 @@
 		buf += 4;
 		/* Perform HDLC encoding on incoming data */
 		send.state = DIAG_STATE_START;
-		send.pkt = (void *)(driver->user_space_data + token_offset);
-		send.last = (void *)(driver->user_space_data + token_offset -
+		send.pkt = (void *)(buf_copy + token_offset);
+		send.last = (void *)(buf_copy + token_offset -
 							1 + payload_size);
 		send.terminate = 1;
 
@@ -1503,21 +1544,30 @@
 			}
 		}
 #endif
+		diagmem_free(driver, buf_copy, POOL_TYPE_COPY);
 		diagmem_free(driver, buf_hdlc, POOL_TYPE_HDLC);
+		buf_copy = NULL;
 		buf_hdlc = NULL;
 		driver->used = 0;
 		mutex_unlock(&driver->diagchar_mutex);
 		return ret;
 	}
 	if (pkt_type == USER_SPACE_DATA_TYPE) {
-		err = copy_from_user(driver->user_space_data, buf + 4,
+		user_space_data = diagmem_alloc(driver, payload_size,
+								POOL_TYPE_USER);
+		if (!user_space_data) {
+			driver->dropped_count++;
+			return -ENOMEM;
+		}
+		err = copy_from_user(user_space_data, buf + 4,
 							 payload_size);
 		if (err) {
 			pr_err("diag: copy failed for user space data\n");
+			diagmem_free(driver, user_space_data, POOL_TYPE_USER);
 			return -EIO;
 		}
 		/* Check for proc_type */
-		remote_proc = diag_get_remote(*(int *)driver->user_space_data);
+		remote_proc = diag_get_remote(*(int *)user_space_data);
 
 		if (remote_proc) {
 			token_offset = 4;
@@ -1527,9 +1577,11 @@
 
 		/* Check masks for On-Device logging */
 		if (driver->mask_check) {
-			if (!mask_request_validate(driver->user_space_data +
+			if (!mask_request_validate(user_space_data +
 							 token_offset)) {
 				pr_alert("diag: mask request Invalid\n");
+				diagmem_free(driver, user_space_data,
+							POOL_TYPE_USER);
 				return -EFAULT;
 			}
 		}
@@ -1537,7 +1589,7 @@
 #ifdef DIAG_DEBUG
 		pr_debug("diag: user space data %d\n", payload_size);
 		for (i = 0; i < payload_size; i++)
-			pr_debug("\t %x", *((driver->user_space_data
+			pr_debug("\t %x", *((user_space_data
 						+ token_offset)+i));
 #endif
 #ifdef CONFIG_DIAG_SDIO_PIPE
@@ -1548,7 +1600,7 @@
 					 payload_size));
 			if (driver->sdio_ch && (payload_size > 0)) {
 				sdio_write(driver->sdio_ch, (void *)
-				   (driver->user_space_data + token_offset),
+				   (user_space_data + token_offset),
 				   payload_size);
 			}
 		}
@@ -1578,8 +1630,8 @@
 				diag_hsic[index].in_busy_hsic_read_on_device =
 									0;
 				err = diag_bridge_write(index,
-						driver->user_space_data +
-						token_offset, payload_size);
+						user_space_data + token_offset,
+						payload_size);
 				if (err) {
 					pr_err("diag: err sending mask to MDM: %d\n",
 					       err);
@@ -1600,11 +1652,13 @@
 						&& driver->lcid) {
 			if (payload_size > 0) {
 				err = msm_smux_write(driver->lcid, NULL,
-					driver->user_space_data + token_offset,
+					user_space_data + token_offset,
 					payload_size);
 				if (err) {
 					pr_err("diag:send mask to MDM err %d",
 							err);
+					diagmem_free(driver, user_space_data,
+								POOL_TYPE_USER);
 					return err;
 				}
 			}
@@ -1613,8 +1667,8 @@
 		/* send masks to 8k now */
 		if (!remote_proc)
 			diag_process_hdlc((void *)
-				(driver->user_space_data + token_offset),
-				 payload_size);
+				(user_space_data + token_offset), payload_size);
+		diagmem_free(driver, user_space_data, POOL_TYPE_USER);
 		return 0;
 	}
 
@@ -1885,6 +1939,11 @@
 }
 
 #ifdef CONFIG_DIAGFWD_BRIDGE_CODE
+static void diag_connect_work_fn(struct work_struct *w)
+{
+	diagfwd_connect_bridge(1);
+}
+
 static void diag_disconnect_work_fn(struct work_struct *w)
 {
 	diagfwd_disconnect_bridge(1);
@@ -1944,6 +2003,8 @@
 		driver->poolsize = poolsize;
 		driver->itemsize_hdlc = itemsize_hdlc;
 		driver->poolsize_hdlc = poolsize_hdlc;
+		driver->itemsize_user = itemsize_user;
+		driver->poolsize_user = poolsize_user;
 		driver->itemsize_write_struct = itemsize_write_struct;
 		driver->poolsize_write_struct = poolsize_write_struct;
 		driver->num_clients = max_clients;
@@ -1969,6 +2030,8 @@
 			pr_err("diag: could not register HSIC device, ret: %d\n",
 				ret);
 		diagfwd_bridge_init(SMUX);
+		INIT_WORK(&(driver->diag_connect_work),
+						 diag_connect_work_fn);
 		INIT_WORK(&(driver->diag_disconnect_work),
 						 diag_disconnect_work_fn);
 #endif
@@ -2008,6 +2071,7 @@
 	diagchar_cleanup();
 	diagfwd_exit();
 	diagfwd_cntl_exit();
+	diag_dci_exit();
 	diag_masks_exit();
 	diag_sdio_fn(EXIT);
 	diagfwd_bridge_fn(EXIT);
@@ -2022,6 +2086,7 @@
 	diagmem_exit(driver, POOL_TYPE_ALL);
 	diagfwd_exit();
 	diagfwd_cntl_exit();
+	diag_dci_exit();
 	diag_masks_exit();
 	diag_sdio_fn(EXIT);
 	diagfwd_bridge_fn(EXIT);
diff --git a/drivers/char/diag/diagfwd.c b/drivers/char/diag/diagfwd.c
index 5b929d7..151e304 100644
--- a/drivers/char/diag/diagfwd.c
+++ b/drivers/char/diag/diagfwd.c
@@ -402,7 +402,7 @@
 				return;
 			}
 			if (pkt_len > r) {
-				pr_err("diag: In %s, SMD sending partial pkt %d %d %d %d %d %d\n",
+				pr_debug("diag: In %s, SMD sending partial pkt %d %d %d %d %d %d\n",
 				__func__, pkt_len, r, total_recd, loop_count,
 				smd_info->peripheral, smd_info->type);
 			}
@@ -693,8 +693,7 @@
 		diag_update_sleeping_process(entry.process_id, PKT_TYPE);
 	} else {
 		if (len > 0) {
-			if ((entry.client_id >= 0) &&
-				(entry.client_id < NUM_SMD_DATA_CHANNELS)) {
+			if (entry.client_id < NUM_SMD_DATA_CHANNELS) {
 				int index = entry.client_id;
 				if (driver->smd_data[index].ch) {
 					if ((index == MODEM_DATA) &&
@@ -907,94 +906,186 @@
 		/* bld time masks */
 		switch (ssid_first) {
 		case MSG_SSID_0:
+			if (ssid_range > sizeof(msg_bld_masks_0)) {
+				pr_warning("diag: truncating ssid range for ssid 0");
+				ssid_range = sizeof(msg_bld_masks_0);
+			}
 			for (i = 0; i < ssid_range; i += 4)
 				*(int *)(ptr + i) = msg_bld_masks_0[i/4];
 			break;
 		case MSG_SSID_1:
+			if (ssid_range > sizeof(msg_bld_masks_1)) {
+				pr_warning("diag: truncating ssid range for ssid 1");
+				ssid_range = sizeof(msg_bld_masks_1);
+			}
 			for (i = 0; i < ssid_range; i += 4)
 				*(int *)(ptr + i) = msg_bld_masks_1[i/4];
 			break;
 		case MSG_SSID_2:
+			if (ssid_range > sizeof(msg_bld_masks_2)) {
+				pr_warning("diag: truncating ssid range for ssid 2");
+				ssid_range = sizeof(msg_bld_masks_2);
+			}
 			for (i = 0; i < ssid_range; i += 4)
 				*(int *)(ptr + i) = msg_bld_masks_2[i/4];
 			break;
 		case MSG_SSID_3:
+			if (ssid_range > sizeof(msg_bld_masks_3)) {
+				pr_warning("diag: truncating ssid range for ssid 3");
+				ssid_range = sizeof(msg_bld_masks_3);
+			}
 			for (i = 0; i < ssid_range; i += 4)
 				*(int *)(ptr + i) = msg_bld_masks_3[i/4];
 			break;
 		case MSG_SSID_4:
+			if (ssid_range > sizeof(msg_bld_masks_4)) {
+				pr_warning("diag: truncating ssid range for ssid 4");
+				ssid_range = sizeof(msg_bld_masks_4);
+			}
 			for (i = 0; i < ssid_range; i += 4)
 				*(int *)(ptr + i) = msg_bld_masks_4[i/4];
 			break;
 		case MSG_SSID_5:
+			if (ssid_range > sizeof(msg_bld_masks_5)) {
+				pr_warning("diag: truncating ssid range for ssid 5");
+				ssid_range = sizeof(msg_bld_masks_5);
+			}
 			for (i = 0; i < ssid_range; i += 4)
 				*(int *)(ptr + i) = msg_bld_masks_5[i/4];
 			break;
 		case MSG_SSID_6:
+			if (ssid_range > sizeof(msg_bld_masks_6)) {
+				pr_warning("diag: truncating ssid range for ssid 6");
+				ssid_range = sizeof(msg_bld_masks_6);
+			}
 			for (i = 0; i < ssid_range; i += 4)
 				*(int *)(ptr + i) = msg_bld_masks_6[i/4];
 			break;
 		case MSG_SSID_7:
+			if (ssid_range > sizeof(msg_bld_masks_7)) {
+				pr_warning("diag: truncating ssid range for ssid 7");
+				ssid_range = sizeof(msg_bld_masks_7);
+			}
 			for (i = 0; i < ssid_range; i += 4)
 				*(int *)(ptr + i) = msg_bld_masks_7[i/4];
 			break;
 		case MSG_SSID_8:
+			if (ssid_range > sizeof(msg_bld_masks_8)) {
+				pr_warning("diag: truncating ssid range for ssid 8");
+				ssid_range = sizeof(msg_bld_masks_8);
+			}
 			for (i = 0; i < ssid_range; i += 4)
 				*(int *)(ptr + i) = msg_bld_masks_8[i/4];
 			break;
 		case MSG_SSID_9:
+			if (ssid_range > sizeof(msg_bld_masks_9)) {
+				pr_warning("diag: truncating ssid range for ssid 9");
+				ssid_range = sizeof(msg_bld_masks_9);
+			}
 			for (i = 0; i < ssid_range; i += 4)
 				*(int *)(ptr + i) = msg_bld_masks_9[i/4];
 			break;
 		case MSG_SSID_10:
+			if (ssid_range > sizeof(msg_bld_masks_10)) {
+				pr_warning("diag: truncating ssid range for ssid 10");
+				ssid_range = sizeof(msg_bld_masks_10);
+			}
 			for (i = 0; i < ssid_range; i += 4)
 				*(int *)(ptr + i) = msg_bld_masks_10[i/4];
 			break;
 		case MSG_SSID_11:
+			if (ssid_range > sizeof(msg_bld_masks_11)) {
+				pr_warning("diag: truncating ssid range for ssid 11");
+				ssid_range = sizeof(msg_bld_masks_11);
+			}
 			for (i = 0; i < ssid_range; i += 4)
 				*(int *)(ptr + i) = msg_bld_masks_11[i/4];
 			break;
 		case MSG_SSID_12:
+			if (ssid_range > sizeof(msg_bld_masks_12)) {
+				pr_warning("diag: truncating ssid range for ssid 12");
+				ssid_range = sizeof(msg_bld_masks_12);
+			}
 			for (i = 0; i < ssid_range; i += 4)
 				*(int *)(ptr + i) = msg_bld_masks_12[i/4];
 			break;
 		case MSG_SSID_13:
+			if (ssid_range > sizeof(msg_bld_masks_13)) {
+				pr_warning("diag: truncating ssid range for ssid 13");
+				ssid_range = sizeof(msg_bld_masks_13);
+			}
 			for (i = 0; i < ssid_range; i += 4)
 				*(int *)(ptr + i) = msg_bld_masks_13[i/4];
 			break;
 		case MSG_SSID_14:
+			if (ssid_range > sizeof(msg_bld_masks_14)) {
+				pr_warning("diag: truncating ssid range for ssid 14");
+				ssid_range = sizeof(msg_bld_masks_14);
+			}
 			for (i = 0; i < ssid_range; i += 4)
 				*(int *)(ptr + i) = msg_bld_masks_14[i/4];
 			break;
 		case MSG_SSID_15:
+			if (ssid_range > sizeof(msg_bld_masks_15)) {
+				pr_warning("diag: truncating ssid range for ssid 15");
+				ssid_range = sizeof(msg_bld_masks_15);
+			}
 			for (i = 0; i < ssid_range; i += 4)
 				*(int *)(ptr + i) = msg_bld_masks_15[i/4];
 			break;
 		case MSG_SSID_16:
+			if (ssid_range > sizeof(msg_bld_masks_16)) {
+				pr_warning("diag: truncating ssid range for ssid 16");
+				ssid_range = sizeof(msg_bld_masks_16);
+			}
 			for (i = 0; i < ssid_range; i += 4)
 				*(int *)(ptr + i) = msg_bld_masks_16[i/4];
 			break;
 		case MSG_SSID_17:
+			if (ssid_range > sizeof(msg_bld_masks_17)) {
+				pr_warning("diag: truncating ssid range for ssid 17");
+				ssid_range = sizeof(msg_bld_masks_17);
+			}
 			for (i = 0; i < ssid_range; i += 4)
 				*(int *)(ptr + i) = msg_bld_masks_17[i/4];
 			break;
 		case MSG_SSID_18:
+			if (ssid_range > sizeof(msg_bld_masks_18)) {
+				pr_warning("diag: truncating ssid range for ssid 18");
+				ssid_range = sizeof(msg_bld_masks_18);
+			}
 			for (i = 0; i < ssid_range; i += 4)
 				*(int *)(ptr + i) = msg_bld_masks_18[i/4];
 			break;
 		case MSG_SSID_19:
+			if (ssid_range > sizeof(msg_bld_masks_19)) {
+				pr_warning("diag: truncating ssid range for ssid 19");
+				ssid_range = sizeof(msg_bld_masks_19);
+			}
 			for (i = 0; i < ssid_range; i += 4)
 				*(int *)(ptr + i) = msg_bld_masks_19[i/4];
 			break;
 		case MSG_SSID_20:
+			if (ssid_range > sizeof(msg_bld_masks_20)) {
+				pr_warning("diag: truncating ssid range for ssid 20");
+				ssid_range = sizeof(msg_bld_masks_20);
+			}
 			for (i = 0; i < ssid_range; i += 4)
 				*(int *)(ptr + i) = msg_bld_masks_20[i/4];
 			break;
 		case MSG_SSID_21:
+			if (ssid_range > sizeof(msg_bld_masks_21)) {
+				pr_warning("diag: truncating ssid range for ssid 21");
+				ssid_range = sizeof(msg_bld_masks_21);
+			}
 			for (i = 0; i < ssid_range; i += 4)
 				*(int *)(ptr + i) = msg_bld_masks_21[i/4];
 			break;
 		case MSG_SSID_22:
+			if (ssid_range > sizeof(msg_bld_masks_22)) {
+				pr_warning("diag: truncating ssid range for ssid 22");
+				ssid_range = sizeof(msg_bld_masks_22);
+			}
 			for (i = 0; i < ssid_range; i += 4)
 				*(int *)(ptr + i) = msg_bld_masks_22[i/4];
 			break;
@@ -1191,6 +1282,16 @@
 #define N_LEGACY_WRITE	(driver->poolsize + 6)
 #define N_LEGACY_READ	1
 
+static void diag_usb_connect_work_fn(struct work_struct *w)
+{
+	diagfwd_connect();
+}
+
+static void diag_usb_disconnect_work_fn(struct work_struct *w)
+{
+	diagfwd_disconnect();
+}
+
 int diagfwd_connect(void)
 {
 	int err;
@@ -1357,10 +1458,12 @@
 {
 	switch (event) {
 	case USB_DIAG_CONNECT:
-		diagfwd_connect();
+		queue_work(driver->diag_wq,
+			 &driver->diag_usb_connect_work);
 		break;
 	case USB_DIAG_DISCONNECT:
-		diagfwd_disconnect();
+		queue_work(driver->diag_wq,
+			 &driver->diag_usb_disconnect_work);
 		break;
 	case USB_DIAG_READ_DONE:
 		diagfwd_read_complete(d_req);
@@ -1692,11 +1795,6 @@
 	    && (driver->hdlc_buf = kzalloc(HDLC_MAX, GFP_KERNEL)) == NULL)
 		goto err;
 	kmemleak_not_leak(driver->hdlc_buf);
-	if (driver->user_space_data == NULL)
-		driver->user_space_data = kzalloc(USER_SPACE_DATA, GFP_KERNEL);
-		if (driver->user_space_data == NULL)
-			goto err;
-	kmemleak_not_leak(driver->user_space_data);
 	if (driver->client_map == NULL &&
 	    (driver->client_map = kzalloc
 	     ((driver->num_clients) * sizeof(struct diag_client_map),
@@ -1741,6 +1839,10 @@
 	}
 	driver->diag_wq = create_singlethread_workqueue("diag_wq");
 #ifdef CONFIG_DIAG_OVER_USB
+	INIT_WORK(&(driver->diag_usb_connect_work),
+						 diag_usb_connect_work_fn);
+	INIT_WORK(&(driver->diag_usb_disconnect_work),
+						 diag_usb_disconnect_work_fn);
 	INIT_WORK(&(driver->diag_proc_hdlc_work), diag_process_hdlc_fn);
 	INIT_WORK(&(driver->diag_read_work), diag_read_work_fn);
 	driver->legacy_ch = usb_diag_open(DIAG_LEGACY, driver,
@@ -1771,7 +1873,6 @@
 	kfree(driver->pkt_buf);
 	kfree(driver->usb_read_ptr);
 	kfree(driver->apps_rsp_buf);
-	kfree(driver->user_space_data);
 	if (driver->diag_wq)
 		destroy_workqueue(driver->diag_wq);
 }
@@ -1804,6 +1905,5 @@
 	kfree(driver->pkt_buf);
 	kfree(driver->usb_read_ptr);
 	kfree(driver->apps_rsp_buf);
-	kfree(driver->user_space_data);
 	destroy_workqueue(driver->diag_wq);
 }
diff --git a/drivers/char/diag/diagfwd_bridge.c b/drivers/char/diag/diagfwd_bridge.c
index 475f5ba..8c07219b 100644
--- a/drivers/char/diag/diagfwd_bridge.c
+++ b/drivers/char/diag/diagfwd_bridge.c
@@ -233,7 +233,8 @@
 
 	switch (event) {
 	case USB_DIAG_CONNECT:
-		diagfwd_connect_bridge(1);
+		queue_work(driver->diag_wq,
+			 &driver->diag_connect_work);
 		break;
 	case USB_DIAG_DISCONNECT:
 		queue_work(driver->diag_wq,
diff --git a/drivers/char/diag/diagfwd_cntl.h b/drivers/char/diag/diagfwd_cntl.h
index 7cd1866..9c2c691 100644
--- a/drivers/char/diag/diagfwd_cntl.h
+++ b/drivers/char/diag/diagfwd_cntl.h
@@ -30,6 +30,9 @@
 /* Send Diag F3 mask */
 #define DIAG_CTRL_MSG_F3_MASK_V2	11
 
+/* Denotes that we support sending/receiving the feature mask */
+#define F_DIAG_INT_FEATURE_MASK	0x01
+
 struct cmd_code_range {
 	uint16_t cmd_code_lo;
 	uint16_t cmd_code_hi;
diff --git a/drivers/char/diag/diagmem.c b/drivers/char/diag/diagmem.c
index 0cd8267..bd339e2 100644
--- a/drivers/char/diag/diagmem.c
+++ b/drivers/char/diag/diagmem.c
@@ -45,6 +45,15 @@
 								 GFP_ATOMIC);
 			}
 		}
+	} else if (pool_type == POOL_TYPE_USER) {
+		if (driver->diag_user_pool) {
+			if (driver->count_user_pool < driver->poolsize_user) {
+				atomic_add(1,
+					(atomic_t *)&driver->count_user_pool);
+				buf = mempool_alloc(driver->diag_user_pool,
+					GFP_ATOMIC);
+			}
+		}
 	} else if (pool_type == POOL_TYPE_WRITE_STRUCT) {
 		if (driver->diag_write_struct_pool) {
 			if (driver->count_write_struct_pool <
@@ -98,8 +107,9 @@
 			mempool_destroy(driver->diagpool);
 			driver->diagpool = NULL;
 		} else if (driver->ref_count == 0 && pool_type ==
-							POOL_TYPE_ALL)
-			printk(KERN_ALERT "Unable to destroy COPY mempool");
+							POOL_TYPE_ALL) {
+			pr_err("diag: Unable to destroy COPY mempool");
+		}
 	}
 
 	if (driver->diag_hdlc_pool) {
@@ -107,8 +117,19 @@
 			mempool_destroy(driver->diag_hdlc_pool);
 			driver->diag_hdlc_pool = NULL;
 		} else if (driver->ref_count == 0 && pool_type ==
-							POOL_TYPE_ALL)
-			printk(KERN_ALERT "Unable to destroy HDLC mempool");
+							POOL_TYPE_ALL) {
+			pr_err("diag: Unable to destroy HDLC mempool");
+		}
+	}
+
+	if (driver->diag_user_pool) {
+		if (driver->count_user_pool == 0 && driver->ref_count == 0) {
+			mempool_destroy(driver->diag_user_pool);
+			driver->diag_user_pool = NULL;
+		} else if (driver->ref_count == 0 && pool_type ==
+							POOL_TYPE_ALL) {
+			pr_err("diag: Unable to destroy USER mempool");
+		}
 	}
 
 	if (driver->diag_write_struct_pool) {
@@ -119,8 +140,9 @@
 			mempool_destroy(driver->diag_write_struct_pool);
 			driver->diag_write_struct_pool = NULL;
 		} else if (driver->ref_count == 0 && pool_type ==
-								POOL_TYPE_ALL)
-			printk(KERN_ALERT "Unable to destroy STRUCT mempool");
+							POOL_TYPE_ALL) {
+			pr_err("diag: Unable to destroy STRUCT mempool");
+		}
 	}
 #ifdef CONFIG_DIAGFWD_BRIDGE_CODE
 	for (index = 0; index < MAX_HSIC_CH; index++) {
@@ -163,16 +185,25 @@
 			mempool_free(buf, driver->diagpool);
 			atomic_add(-1, (atomic_t *)&driver->count);
 		} else
-			pr_err("diag: Attempt to free up DIAG driver "
-	       "mempool memory which is already free %d", driver->count);
+			pr_err("diag: Attempt to free up DIAG driver mempool memory which is already free %d",
+							driver->count);
 	} else if (pool_type == POOL_TYPE_HDLC) {
 		if (driver->diag_hdlc_pool != NULL &&
 			 driver->count_hdlc_pool > 0) {
 			mempool_free(buf, driver->diag_hdlc_pool);
 			atomic_add(-1, (atomic_t *)&driver->count_hdlc_pool);
 		} else
-			pr_err("diag: Attempt to free up DIAG driver "
-	"HDLC mempool which is already free %d ", driver->count_hdlc_pool);
+			pr_err("diag: Attempt to free up DIAG driver HDLC mempool which is already free %d ",
+						driver->count_hdlc_pool);
+	} else if (pool_type == POOL_TYPE_USER) {
+		if (driver->diag_user_pool != NULL &&
+			driver->count_user_pool > 0) {
+			mempool_free(buf, driver->diag_user_pool);
+			atomic_add(-1, (atomic_t *)&driver->count_user_pool);
+		} else {
+			pr_err("diag: Attempt to free up DIAG driver USER mempool which is already free %d ",
+						driver->count_user_pool);
+		}
 	} else if (pool_type == POOL_TYPE_WRITE_STRUCT) {
 		if (driver->diag_write_struct_pool != NULL &&
 			 driver->count_write_struct_pool > 0) {
@@ -180,9 +211,8 @@
 			atomic_add(-1,
 				 (atomic_t *)&driver->count_write_struct_pool);
 		} else
-			pr_err("diag: Attempt to free up DIAG driver "
-			   "USB structure mempool which is already free %d ",
-				    driver->count_write_struct_pool);
+			pr_err("diag: Attempt to free up DIAG driver USB structure mempool which is already free %d ",
+					driver->count_write_struct_pool);
 #ifdef CONFIG_DIAGFWD_BRIDGE_CODE
 	} else if (pool_type == POOL_TYPE_HSIC ||
 				pool_type == POOL_TYPE_HSIC_2) {
@@ -229,18 +259,25 @@
 		driver->diag_hdlc_pool = mempool_create_kmalloc_pool(
 				driver->poolsize_hdlc, driver->itemsize_hdlc);
 
+	if (driver->count_user_pool == 0)
+		driver->diag_user_pool = mempool_create_kmalloc_pool(
+				driver->poolsize_user, driver->itemsize_user);
+
 	if (driver->count_write_struct_pool == 0)
 		driver->diag_write_struct_pool = mempool_create_kmalloc_pool(
 		driver->poolsize_write_struct, driver->itemsize_write_struct);
 
 	if (!driver->diagpool)
-		printk(KERN_INFO "Cannot allocate diag mempool\n");
+		pr_err("diag: Cannot allocate diag mempool\n");
 
 	if (!driver->diag_hdlc_pool)
-		printk(KERN_INFO "Cannot allocate diag HDLC mempool\n");
+		pr_err("diag: Cannot allocate diag HDLC mempool\n");
+
+	if (!driver->diag_user_pool)
+		pr_err("diag: Cannot allocate diag USER mempool\n");
 
 	if (!driver->diag_write_struct_pool)
-		printk(KERN_INFO "Cannot allocate diag USB struct mempool\n");
+		pr_err("diag: Cannot allocate diag USB struct mempool\n");
 }
 
 #ifdef CONFIG_DIAGFWD_BRIDGE_CODE
diff --git a/drivers/char/msm_rotator.c b/drivers/char/msm_rotator.c
index e946b42..9a43ea4 100644
--- a/drivers/char/msm_rotator.c
+++ b/drivers/char/msm_rotator.c
@@ -181,8 +181,7 @@
 		pr_err("ion_import_dma_buf() failed\n");
 		return PTR_ERR(*pihdl);
 	}
-	pr_debug("%s(): ion_hdl %p, ion_fd %d\n", __func__, *pihdl,
-		ion_share_dma_buf(msm_rotator_dev->client, *pihdl));
+	pr_debug("%s(): ion_hdl %p, ion_fd %d\n", __func__, *pihdl, mem_id);
 
 	if (rot_iommu_split_domain) {
 		if (secure) {
diff --git a/drivers/coresight/coresight-csr.c b/drivers/coresight/coresight-csr.c
index 988d1c9..1c2ab25 100644
--- a/drivers/coresight/coresight-csr.c
+++ b/drivers/coresight/coresight-csr.c
@@ -102,7 +102,7 @@
 
 	CSR_LOCK(drvdata);
 }
-EXPORT_SYMBOL_GPL(msm_qdss_csr_enable_bam_to_usb);
+EXPORT_SYMBOL(msm_qdss_csr_enable_bam_to_usb);
 
 void msm_qdss_csr_disable_bam_to_usb(void)
 {
@@ -117,7 +117,7 @@
 
 	CSR_LOCK(drvdata);
 }
-EXPORT_SYMBOL_GPL(msm_qdss_csr_disable_bam_to_usb);
+EXPORT_SYMBOL(msm_qdss_csr_disable_bam_to_usb);
 
 void msm_qdss_csr_disable_flush(void)
 {
@@ -132,7 +132,7 @@
 
 	CSR_LOCK(drvdata);
 }
-EXPORT_SYMBOL_GPL(msm_qdss_csr_disable_flush);
+EXPORT_SYMBOL(msm_qdss_csr_disable_flush);
 
 static int __devinit csr_probe(struct platform_device *pdev)
 {
diff --git a/drivers/coresight/coresight-etm.c b/drivers/coresight/coresight-etm.c
index 2777769..5a5c0cf 100644
--- a/drivers/coresight/coresight-etm.c
+++ b/drivers/coresight/coresight-etm.c
@@ -276,23 +276,32 @@
 }
 
 /*
- * Memory mapped writes to clear os lock are not supported on Krait v1, v2
- * and OS lock must be unlocked before any memory mapped access, otherwise
- * memory mapped reads/writes will be invalid.
+ * Unlock OS lock to allow memory mapped access on Krait and in general
+ * so that ETMSR[1] can be polled while clearing the ETMCR[10] prog bit
+ * since ETMSR[1] is set when prog bit is set or OS lock is set.
  */
 static void etm_os_unlock(void *info)
 {
 	struct etm_drvdata *drvdata = (struct etm_drvdata *) info;
 
-	ETM_UNLOCK(drvdata);
+	/*
+	 * Memory mapped writes to clear os lock are not supported on Krait v1,
+	 * v2 and OS lock must be unlocked before any memory mapped access,
+	 * otherwise memory mapped reads/writes will be invalid.
+	 */
 	if (cpu_is_krait()) {
 		etm_writel_cp14(0x0, ETMOSLAR);
+		/* ensure os lock is unlocked before we return */
 		isb();
-	} else if (etm_os_lock_present(drvdata)) {
-		etm_writel(drvdata, 0x0, ETMOSLAR);
-		mb();
+	} else {
+		ETM_UNLOCK(drvdata);
+		if (etm_os_lock_present(drvdata)) {
+			etm_writel(drvdata, 0x0, ETMOSLAR);
+			/* ensure os lock is unlocked before we return */
+			mb();
+		}
+		ETM_LOCK(drvdata);
 	}
-	ETM_LOCK(drvdata);
 }
 
 /*
@@ -1876,11 +1885,26 @@
 			    void *hcpu)
 {
 	unsigned int cpu = (unsigned long)hcpu;
+	static bool clk_disable[NR_CPUS];
+	int ret;
 
 	if (!etmdrvdata[cpu])
 		goto out;
 
 	switch (action & (~CPU_TASKS_FROZEN)) {
+	case CPU_UP_PREPARE:
+		if (!etmdrvdata[cpu]->os_unlock) {
+			ret = clk_prepare_enable(etmdrvdata[cpu]->clk);
+			if (ret) {
+				dev_err(etmdrvdata[cpu]->dev,
+					"ETM clk enable during hotplug failed"
+					"for cpu: %d, ret: %d\n", cpu, ret);
+				return notifier_from_errno(ret);
+			}
+			clk_disable[cpu] = true;
+		}
+		break;
+
 	case CPU_STARTING:
 		spin_lock(&etmdrvdata[cpu]->spinlock);
 		if (!etmdrvdata[cpu]->os_unlock) {
@@ -1894,6 +1918,11 @@
 		break;
 
 	case CPU_ONLINE:
+		if (clk_disable[cpu]) {
+			clk_disable_unprepare(etmdrvdata[cpu]->clk);
+			clk_disable[cpu] = false;
+		}
+
 		if (etmdrvdata[cpu]->boot_enable &&
 		    !etmdrvdata[cpu]->sticky_enable)
 			coresight_enable(etmdrvdata[cpu]->csdev);
@@ -1903,6 +1932,13 @@
 			__etm_store_pcsave(etmdrvdata[cpu], 1);
 		break;
 
+	case CPU_UP_CANCELED:
+		if (clk_disable[cpu]) {
+			clk_disable_unprepare(etmdrvdata[cpu]->clk);
+			clk_disable[cpu] = false;
+		}
+		break;
+
 	case CPU_DYING:
 		spin_lock(&etmdrvdata[cpu]->spinlock);
 		if (etmdrvdata[cpu]->enable && etmdrvdata[cpu]->round_robin)
diff --git a/drivers/coresight/coresight-stm.c b/drivers/coresight/coresight-stm.c
index 87cf63a..7d4dabe 100644
--- a/drivers/coresight/coresight-stm.c
+++ b/drivers/coresight/coresight-stm.c
@@ -595,7 +595,7 @@
 
 	return __stm_trace(options, entity_id, proto_id, data, size);
 }
-EXPORT_SYMBOL_GPL(stm_trace);
+EXPORT_SYMBOL(stm_trace);
 
 static ssize_t stm_write(struct file *file, const char __user *data,
 			 size_t size, loff_t *ppos)
diff --git a/drivers/coresight/coresight.c b/drivers/coresight/coresight.c
index aef3d26..e237fb7 100644
--- a/drivers/coresight/coresight.c
+++ b/drivers/coresight/coresight.c
@@ -368,7 +368,7 @@
 	pr_err("coresight: enable failed\n");
 	return ret;
 }
-EXPORT_SYMBOL_GPL(coresight_enable);
+EXPORT_SYMBOL(coresight_enable);
 
 void coresight_disable(struct coresight_device *csdev)
 {
@@ -391,7 +391,7 @@
 out:
 	up(&coresight_mutex);
 }
-EXPORT_SYMBOL_GPL(coresight_disable);
+EXPORT_SYMBOL(coresight_disable);
 
 void coresight_abort(void)
 {
@@ -415,7 +415,7 @@
 out:
 	up(&coresight_mutex);
 }
-EXPORT_SYMBOL_GPL(coresight_abort);
+EXPORT_SYMBOL(coresight_abort);
 
 static ssize_t coresight_show_type(struct device *dev,
 				   struct device_attribute *attr, char *buf)
@@ -681,7 +681,7 @@
 err_kzalloc_csdev:
 	return ERR_PTR(ret);
 }
-EXPORT_SYMBOL_GPL(coresight_register);
+EXPORT_SYMBOL(coresight_register);
 
 void coresight_unregister(struct coresight_device *csdev)
 {
@@ -693,7 +693,7 @@
 		put_device(&csdev->dev);
 	}
 }
-EXPORT_SYMBOL_GPL(coresight_unregister);
+EXPORT_SYMBOL(coresight_unregister);
 
 static int __init coresight_init(void)
 {
diff --git a/drivers/coresight/of_coresight.c b/drivers/coresight/of_coresight.c
index 1eccd09..8b8c0d62 100644
--- a/drivers/coresight/of_coresight.c
+++ b/drivers/coresight/of_coresight.c
@@ -97,7 +97,7 @@
 						    "coresight-default-sink");
 	return pdata;
 }
-EXPORT_SYMBOL_GPL(of_get_coresight_platform_data);
+EXPORT_SYMBOL(of_get_coresight_platform_data);
 
 struct coresight_cti_data *of_get_coresight_cti_data(
 				struct device *dev, struct device_node *node)
diff --git a/drivers/cpufreq/cpufreq_interactive.c b/drivers/cpufreq/cpufreq_interactive.c
index 63cdc68..7d1952c 100644
--- a/drivers/cpufreq/cpufreq_interactive.c
+++ b/drivers/cpufreq/cpufreq_interactive.c
@@ -20,97 +20,94 @@
 #include <linux/cpumask.h>
 #include <linux/cpufreq.h>
 #include <linux/module.h>
-#include <linux/mutex.h>
+#include <linux/moduleparam.h>
+#include <linux/rwsem.h>
 #include <linux/sched.h>
 #include <linux/tick.h>
 #include <linux/time.h>
 #include <linux/timer.h>
 #include <linux/workqueue.h>
 #include <linux/kthread.h>
-#include <linux/mutex.h>
 #include <linux/slab.h>
-#include <linux/input.h>
 #include <asm/cputime.h>
 
 #define CREATE_TRACE_POINTS
 #include <trace/events/cpufreq_interactive.h>
 
-static atomic_t active_count = ATOMIC_INIT(0);
+static int active_count;
 
 struct cpufreq_interactive_cpuinfo {
 	struct timer_list cpu_timer;
-	int timer_idlecancel;
+	struct timer_list cpu_slack_timer;
+	spinlock_t load_lock; /* protects the next 4 fields */
 	u64 time_in_idle;
-	u64 idle_exit_time;
-	u64 timer_run_time;
-	int idling;
-	u64 target_set_time;
-	u64 target_set_time_in_idle;
+	u64 time_in_idle_timestamp;
+	u64 cputime_speedadj;
+	u64 cputime_speedadj_timestamp;
 	struct cpufreq_policy *policy;
 	struct cpufreq_frequency_table *freq_table;
 	unsigned int target_freq;
 	unsigned int floor_freq;
 	u64 floor_validate_time;
 	u64 hispeed_validate_time;
+	struct rw_semaphore enable_sem;
 	int governor_enabled;
 };
 
 static DEFINE_PER_CPU(struct cpufreq_interactive_cpuinfo, cpuinfo);
 
-/* Workqueues handle frequency scaling */
-static struct task_struct *up_task;
-static struct workqueue_struct *down_wq;
-static struct work_struct freq_scale_down_work;
-static cpumask_t up_cpumask;
-static spinlock_t up_cpumask_lock;
-static cpumask_t down_cpumask;
-static spinlock_t down_cpumask_lock;
-static struct mutex set_speed_lock;
+/* realtime thread handles frequency scaling */
+static struct task_struct *speedchange_task;
+static cpumask_t speedchange_cpumask;
+static spinlock_t speedchange_cpumask_lock;
+static struct mutex gov_lock;
 
 /* Hi speed to bump to from lo speed when load burst (default max) */
-static u64 hispeed_freq;
+static unsigned int hispeed_freq;
 
 /* Go to hi speed when CPU load at or above this value. */
-#define DEFAULT_GO_HISPEED_LOAD 85
-static unsigned long go_hispeed_load;
+#define DEFAULT_GO_HISPEED_LOAD 99
+static unsigned long go_hispeed_load = DEFAULT_GO_HISPEED_LOAD;
+
+/* Target load.  Lower values result in higher CPU speeds. */
+#define DEFAULT_TARGET_LOAD 90
+static unsigned int default_target_loads[] = {DEFAULT_TARGET_LOAD};
+static spinlock_t target_loads_lock;
+static unsigned int *target_loads = default_target_loads;
+static int ntarget_loads = ARRAY_SIZE(default_target_loads);
 
 /*
  * The minimum amount of time to spend at a frequency before we can ramp down.
  */
 #define DEFAULT_MIN_SAMPLE_TIME (80 * USEC_PER_MSEC)
-static unsigned long min_sample_time;
+static unsigned long min_sample_time = DEFAULT_MIN_SAMPLE_TIME;
 
 /*
  * The sample rate of the timer used to increase frequency
  */
 #define DEFAULT_TIMER_RATE (20 * USEC_PER_MSEC)
-static unsigned long timer_rate;
+static unsigned long timer_rate = DEFAULT_TIMER_RATE;
 
 /*
  * Wait this long before raising speed above hispeed, by default a single
  * timer interval.
  */
 #define DEFAULT_ABOVE_HISPEED_DELAY DEFAULT_TIMER_RATE
-static unsigned long above_hispeed_delay_val;
+static unsigned long above_hispeed_delay_val = DEFAULT_ABOVE_HISPEED_DELAY;
 
-/*
- * Boost pulse to hispeed on touchscreen input.
- */
-
-static int input_boost_val;
-
-struct cpufreq_interactive_inputopen {
-	struct input_handle *handle;
-	struct work_struct inputopen_work;
-};
-
-static struct cpufreq_interactive_inputopen inputopen;
-
-/*
- * Non-zero means longer-term speed boost active.
- */
-
+/* Non-zero means indefinite speed boost active */
 static int boost_val;
+/* Duration of a boot pulse in usecs */
+static int boostpulse_duration_val = DEFAULT_MIN_SAMPLE_TIME;
+/* End time of boost pulse in ktime converted to usecs */
+static u64 boostpulse_endtime;
+
+/*
+ * Max additional time to wait in idle, beyond timer_rate, at speeds above
+ * minimum before wakeup to reduce speed, or -1 if unnecessary.
+ */
+#define DEFAULT_TIMER_SLACK (4 * DEFAULT_TIMER_RATE)
+static int timer_slack_val = DEFAULT_TIMER_SLACK;
 
 static int cpufreq_governor_interactive(struct cpufreq_policy *policy,
 		unsigned int event);
@@ -125,104 +122,210 @@
 	.owner = THIS_MODULE,
 };
 
-static void cpufreq_interactive_timer(unsigned long data)
+static void cpufreq_interactive_timer_resched(
+	struct cpufreq_interactive_cpuinfo *pcpu)
 {
-	unsigned int delta_idle;
-	unsigned int delta_time;
-	int cpu_load;
-	int load_since_change;
-	u64 time_in_idle;
-	u64 idle_exit_time;
-	struct cpufreq_interactive_cpuinfo *pcpu =
-		&per_cpu(cpuinfo, data);
-	u64 now_idle;
-	unsigned int new_freq;
-	unsigned int index;
+	unsigned long expires = jiffies + usecs_to_jiffies(timer_rate);
 	unsigned long flags;
 
-	smp_rmb();
+	mod_timer_pinned(&pcpu->cpu_timer, expires);
+	if (timer_slack_val >= 0 && pcpu->target_freq > pcpu->policy->min) {
+		expires += usecs_to_jiffies(timer_slack_val);
+		mod_timer_pinned(&pcpu->cpu_slack_timer, expires);
+	}
 
+	spin_lock_irqsave(&pcpu->load_lock, flags);
+	pcpu->time_in_idle =
+		get_cpu_idle_time_us(smp_processor_id(),
+				     &pcpu->time_in_idle_timestamp);
+	pcpu->cputime_speedadj = 0;
+	pcpu->cputime_speedadj_timestamp = pcpu->time_in_idle_timestamp;
+	spin_unlock_irqrestore(&pcpu->load_lock, flags);
+}
+
+static unsigned int freq_to_targetload(unsigned int freq)
+{
+	int i;
+	unsigned int ret;
+	unsigned long flags;
+
+	spin_lock_irqsave(&target_loads_lock, flags);
+
+	for (i = 0; i < ntarget_loads - 1 && freq >= target_loads[i+1]; i += 2)
+		;
+
+	ret = target_loads[i];
+	spin_unlock_irqrestore(&target_loads_lock, flags);
+	return ret;
+}
+
+/*
+ * If increasing frequencies never map to a lower target load then
+ * choose_freq() will find the minimum frequency that does not exceed its
+ * target load given the current load.
+ */
+
+static unsigned int choose_freq(
+	struct cpufreq_interactive_cpuinfo *pcpu, unsigned int loadadjfreq)
+{
+	unsigned int freq = pcpu->policy->cur;
+	unsigned int prevfreq, freqmin, freqmax;
+	unsigned int tl;
+	int index;
+
+	freqmin = 0;
+	freqmax = UINT_MAX;
+
+	do {
+		prevfreq = freq;
+		tl = freq_to_targetload(freq);
+
+		/*
+		 * Find the lowest frequency where the computed load is less
+		 * than or equal to the target load.
+		 */
+
+		cpufreq_frequency_table_target(
+			pcpu->policy, pcpu->freq_table, loadadjfreq / tl,
+			CPUFREQ_RELATION_L, &index);
+		freq = pcpu->freq_table[index].frequency;
+
+		if (freq > prevfreq) {
+			/* The previous frequency is too low. */
+			freqmin = prevfreq;
+
+			if (freq >= freqmax) {
+				/*
+				 * Find the highest frequency that is less
+				 * than freqmax.
+				 */
+				cpufreq_frequency_table_target(
+					pcpu->policy, pcpu->freq_table,
+					freqmax - 1, CPUFREQ_RELATION_H,
+					&index);
+				freq = pcpu->freq_table[index].frequency;
+
+				if (freq == freqmin) {
+					/*
+					 * The first frequency below freqmax
+					 * has already been found to be too
+					 * low.  freqmax is the lowest speed
+					 * we found that is fast enough.
+					 */
+					freq = freqmax;
+					break;
+				}
+			}
+		} else if (freq < prevfreq) {
+			/* The previous frequency is high enough. */
+			freqmax = prevfreq;
+
+			if (freq <= freqmin) {
+				/*
+				 * Find the lowest frequency that is higher
+				 * than freqmin.
+				 */
+				cpufreq_frequency_table_target(
+					pcpu->policy, pcpu->freq_table,
+					freqmin + 1, CPUFREQ_RELATION_L,
+					&index);
+				freq = pcpu->freq_table[index].frequency;
+
+				/*
+				 * If freqmax is the first frequency above
+				 * freqmin then we have already found that
+				 * this speed is fast enough.
+				 */
+				if (freq == freqmax)
+					break;
+			}
+		}
+
+		/* If same frequency chosen as previous then done. */
+	} while (freq != prevfreq);
+
+	return freq;
+}
+
+static u64 update_load(int cpu)
+{
+	struct cpufreq_interactive_cpuinfo *pcpu = &per_cpu(cpuinfo, cpu);
+	u64 now;
+	u64 now_idle;
+	unsigned int delta_idle;
+	unsigned int delta_time;
+	u64 active_time;
+
+	now_idle = get_cpu_idle_time_us(cpu, &now);
+	delta_idle = (unsigned int)(now_idle - pcpu->time_in_idle);
+	delta_time = (unsigned int)(now - pcpu->time_in_idle_timestamp);
+	active_time = delta_time - delta_idle;
+	pcpu->cputime_speedadj += active_time * pcpu->policy->cur;
+
+	pcpu->time_in_idle = now_idle;
+	pcpu->time_in_idle_timestamp = now;
+	return now;
+}
+
+static void cpufreq_interactive_timer(unsigned long data)
+{
+	u64 now;
+	unsigned int delta_time;
+	u64 cputime_speedadj;
+	int cpu_load;
+	struct cpufreq_interactive_cpuinfo *pcpu =
+		&per_cpu(cpuinfo, data);
+	unsigned int new_freq;
+	unsigned int loadadjfreq;
+	unsigned int index;
+	unsigned long flags;
+	bool boosted;
+
+	if (!down_read_trylock(&pcpu->enable_sem))
+		return;
 	if (!pcpu->governor_enabled)
 		goto exit;
 
-	/*
-	 * Once pcpu->timer_run_time is updated to >= pcpu->idle_exit_time,
-	 * this lets idle exit know the current idle time sample has
-	 * been processed, and idle exit can generate a new sample and
-	 * re-arm the timer.  This prevents a concurrent idle
-	 * exit on that CPU from writing a new set of info at the same time
-	 * the timer function runs (the timer function can't use that info
-	 * until more time passes).
-	 */
-	time_in_idle = pcpu->time_in_idle;
-	idle_exit_time = pcpu->idle_exit_time;
-	now_idle = get_cpu_idle_time_us(data, &pcpu->timer_run_time);
-	smp_wmb();
+	spin_lock_irqsave(&pcpu->load_lock, flags);
+	now = update_load(data);
+	delta_time = (unsigned int)(now - pcpu->cputime_speedadj_timestamp);
+	cputime_speedadj = pcpu->cputime_speedadj;
+	spin_unlock_irqrestore(&pcpu->load_lock, flags);
 
-	/* If we raced with cancelling a timer, skip. */
-	if (!idle_exit_time)
-		goto exit;
-
-	delta_idle = (unsigned int)(now_idle - time_in_idle);
-	delta_time = (unsigned int)(pcpu->timer_run_time - idle_exit_time);
-
-	/*
-	 * If timer ran less than 1ms after short-term sample started, retry.
-	 */
-	if (delta_time < 1000)
+	if (WARN_ON_ONCE(!delta_time))
 		goto rearm;
 
-	if (delta_idle > delta_time)
-		cpu_load = 0;
-	else
-		cpu_load = 100 * (delta_time - delta_idle) / delta_time;
+	do_div(cputime_speedadj, delta_time);
+	loadadjfreq = (unsigned int)cputime_speedadj * 100;
+	cpu_load = loadadjfreq / pcpu->target_freq;
+	boosted = boost_val || now < boostpulse_endtime;
 
-	delta_idle = (unsigned int)(now_idle - pcpu->target_set_time_in_idle);
-	delta_time = (unsigned int)(pcpu->timer_run_time -
-				    pcpu->target_set_time);
-
-	if ((delta_time == 0) || (delta_idle > delta_time))
-		load_since_change = 0;
-	else
-		load_since_change =
-			100 * (delta_time - delta_idle) / delta_time;
-
-	/*
-	 * Choose greater of short-term load (since last idle timer
-	 * started or timer function re-armed itself) or long-term load
-	 * (since last frequency change).
-	 */
-	if (load_since_change > cpu_load)
-		cpu_load = load_since_change;
-
-	if (cpu_load >= go_hispeed_load || boost_val) {
-		if (pcpu->target_freq <= pcpu->policy->min) {
+	if (cpu_load >= go_hispeed_load || boosted) {
+		if (pcpu->target_freq < hispeed_freq) {
 			new_freq = hispeed_freq;
 		} else {
-			new_freq = pcpu->policy->max * cpu_load / 100;
+			new_freq = choose_freq(pcpu, loadadjfreq);
 
 			if (new_freq < hispeed_freq)
 				new_freq = hispeed_freq;
-
-			if (pcpu->target_freq == hispeed_freq &&
-			    new_freq > hispeed_freq &&
-			    pcpu->timer_run_time - pcpu->hispeed_validate_time
-			    < above_hispeed_delay_val) {
-				trace_cpufreq_interactive_notyet(data, cpu_load,
-								 pcpu->target_freq,
-								 new_freq);
-				goto rearm;
-			}
 		}
 	} else {
-		new_freq = pcpu->policy->max * cpu_load / 100;
+		new_freq = choose_freq(pcpu, loadadjfreq);
 	}
 
-	if (new_freq <= hispeed_freq)
-		pcpu->hispeed_validate_time = pcpu->timer_run_time;
+	if (pcpu->target_freq >= hispeed_freq &&
+	    new_freq > pcpu->target_freq &&
+	    now - pcpu->hispeed_validate_time < above_hispeed_delay_val) {
+		trace_cpufreq_interactive_notyet(
+			data, cpu_load, pcpu->target_freq,
+			pcpu->policy->cur, new_freq);
+		goto rearm;
+	}
+
+	pcpu->hispeed_validate_time = now;
 
 	if (cpufreq_frequency_table_target(pcpu->policy, pcpu->freq_table,
-					   new_freq, CPUFREQ_RELATION_H,
+					   new_freq, CPUFREQ_RELATION_L,
 					   &index)) {
 		pr_warn_once("timer %d: cpufreq_frequency_table_target error\n",
 			     (int) data);
@@ -236,41 +339,42 @@
 	 * floor frequency for the minimum sample time since last validated.
 	 */
 	if (new_freq < pcpu->floor_freq) {
-		if (pcpu->timer_run_time - pcpu->floor_validate_time
-		    < min_sample_time) {
-			trace_cpufreq_interactive_notyet(data, cpu_load,
-					 pcpu->target_freq, new_freq);
+		if (now - pcpu->floor_validate_time < min_sample_time) {
+			trace_cpufreq_interactive_notyet(
+				data, cpu_load, pcpu->target_freq,
+				pcpu->policy->cur, new_freq);
 			goto rearm;
 		}
 	}
 
-	pcpu->floor_freq = new_freq;
-	pcpu->floor_validate_time = pcpu->timer_run_time;
+	/*
+	 * Update the timestamp for checking whether speed has been held at
+	 * or above the selected frequency for a minimum of min_sample_time,
+	 * if not boosted to hispeed_freq.  If boosted to hispeed_freq then we
+	 * allow the speed to drop as soon as the boostpulse duration expires
+	 * (or the indefinite boost is turned off).
+	 */
+
+	if (!boosted || new_freq > hispeed_freq) {
+		pcpu->floor_freq = new_freq;
+		pcpu->floor_validate_time = now;
+	}
 
 	if (pcpu->target_freq == new_freq) {
-		trace_cpufreq_interactive_already(data, cpu_load,
-						  pcpu->target_freq, new_freq);
+		trace_cpufreq_interactive_already(
+			data, cpu_load, pcpu->target_freq,
+			pcpu->policy->cur, new_freq);
 		goto rearm_if_notmax;
 	}
 
 	trace_cpufreq_interactive_target(data, cpu_load, pcpu->target_freq,
-					 new_freq);
-	pcpu->target_set_time_in_idle = now_idle;
-	pcpu->target_set_time = pcpu->timer_run_time;
+					 pcpu->policy->cur, new_freq);
 
-	if (new_freq < pcpu->target_freq) {
-		pcpu->target_freq = new_freq;
-		spin_lock_irqsave(&down_cpumask_lock, flags);
-		cpumask_set_cpu(data, &down_cpumask);
-		spin_unlock_irqrestore(&down_cpumask_lock, flags);
-		queue_work(down_wq, &freq_scale_down_work);
-	} else {
-		pcpu->target_freq = new_freq;
-		spin_lock_irqsave(&up_cpumask_lock, flags);
-		cpumask_set_cpu(data, &up_cpumask);
-		spin_unlock_irqrestore(&up_cpumask_lock, flags);
-		wake_up_process(up_task);
-	}
+	pcpu->target_freq = new_freq;
+	spin_lock_irqsave(&speedchange_cpumask_lock, flags);
+	cpumask_set_cpu(data, &speedchange_cpumask);
+	spin_unlock_irqrestore(&speedchange_cpumask_lock, flags);
+	wake_up_process(speedchange_task);
 
 rearm_if_notmax:
 	/*
@@ -281,28 +385,11 @@
 		goto exit;
 
 rearm:
-	if (!timer_pending(&pcpu->cpu_timer)) {
-		/*
-		 * If already at min: if that CPU is idle, don't set timer.
-		 * Else cancel the timer if that CPU goes idle.  We don't
-		 * need to re-evaluate speed until the next idle exit.
-		 */
-		if (pcpu->target_freq == pcpu->policy->min) {
-			smp_rmb();
-
-			if (pcpu->idling)
-				goto exit;
-
-			pcpu->timer_idlecancel = 1;
-		}
-
-		pcpu->time_in_idle = get_cpu_idle_time_us(
-			data, &pcpu->idle_exit_time);
-		mod_timer(&pcpu->cpu_timer,
-			  jiffies + usecs_to_jiffies(timer_rate));
-	}
+	if (!timer_pending(&pcpu->cpu_timer))
+		cpufreq_interactive_timer_resched(pcpu);
 
 exit:
+	up_read(&pcpu->enable_sem);
 	return;
 }
 
@@ -312,15 +399,16 @@
 		&per_cpu(cpuinfo, smp_processor_id());
 	int pending;
 
-	if (!pcpu->governor_enabled)
+	if (!down_read_trylock(&pcpu->enable_sem))
 		return;
+	if (!pcpu->governor_enabled) {
+		up_read(&pcpu->enable_sem);
+		return;
+	}
 
-	pcpu->idling = 1;
-	smp_wmb();
 	pending = timer_pending(&pcpu->cpu_timer);
 
 	if (pcpu->target_freq != pcpu->policy->min) {
-#ifdef CONFIG_SMP
 		/*
 		 * Entering idle while not at lowest speed.  On some
 		 * platforms this can hold the other CPU(s) at that speed
@@ -329,33 +417,11 @@
 		 * min indefinitely.  This should probably be a quirk of
 		 * the CPUFreq driver.
 		 */
-		if (!pending) {
-			pcpu->time_in_idle = get_cpu_idle_time_us(
-				smp_processor_id(), &pcpu->idle_exit_time);
-			pcpu->timer_idlecancel = 0;
-			mod_timer(&pcpu->cpu_timer,
-				  jiffies + usecs_to_jiffies(timer_rate));
-		}
-#endif
-	} else {
-		/*
-		 * If at min speed and entering idle after load has
-		 * already been evaluated, and a timer has been set just in
-		 * case the CPU suddenly goes busy, cancel that timer.  The
-		 * CPU didn't go busy; we'll recheck things upon idle exit.
-		 */
-		if (pending && pcpu->timer_idlecancel) {
-			del_timer(&pcpu->cpu_timer);
-			/*
-			 * Ensure last timer run time is after current idle
-			 * sample start time, so next idle exit will always
-			 * start a new idle sampling period.
-			 */
-			pcpu->idle_exit_time = 0;
-			pcpu->timer_idlecancel = 0;
-		}
+		if (!pending)
+			cpufreq_interactive_timer_resched(pcpu);
 	}
 
+	up_read(&pcpu->enable_sem);
 }
 
 static void cpufreq_interactive_idle_end(void)
@@ -363,34 +429,26 @@
 	struct cpufreq_interactive_cpuinfo *pcpu =
 		&per_cpu(cpuinfo, smp_processor_id());
 
-	pcpu->idling = 0;
-	smp_wmb();
-
-	/*
-	 * Arm the timer for 1-2 ticks later if not already, and if the timer
-	 * function has already processed the previous load sampling
-	 * interval.  (If the timer is not pending but has not processed
-	 * the previous interval, it is probably racing with us on another
-	 * CPU.  Let it compute load based on the previous sample and then
-	 * re-arm the timer for another interval when it's done, rather
-	 * than updating the interval start time to be "now", which doesn't
-	 * give the timer function enough time to make a decision on this
-	 * run.)
-	 */
-	if (timer_pending(&pcpu->cpu_timer) == 0 &&
-	    pcpu->timer_run_time >= pcpu->idle_exit_time &&
-	    pcpu->governor_enabled) {
-		pcpu->time_in_idle =
-			get_cpu_idle_time_us(smp_processor_id(),
-					     &pcpu->idle_exit_time);
-		pcpu->timer_idlecancel = 0;
-		mod_timer(&pcpu->cpu_timer,
-			  jiffies + usecs_to_jiffies(timer_rate));
+	if (!down_read_trylock(&pcpu->enable_sem))
+		return;
+	if (!pcpu->governor_enabled) {
+		up_read(&pcpu->enable_sem);
+		return;
 	}
 
+	/* Arm the timer for 1-2 ticks later if not already. */
+	if (!timer_pending(&pcpu->cpu_timer)) {
+		cpufreq_interactive_timer_resched(pcpu);
+	} else if (time_after_eq(jiffies, pcpu->cpu_timer.expires)) {
+		del_timer(&pcpu->cpu_timer);
+		del_timer(&pcpu->cpu_slack_timer);
+		cpufreq_interactive_timer(smp_processor_id());
+	}
+
+	up_read(&pcpu->enable_sem);
 }
 
-static int cpufreq_interactive_up_task(void *data)
+static int cpufreq_interactive_speedchange_task(void *data)
 {
 	unsigned int cpu;
 	cpumask_t tmp_mask;
@@ -399,34 +457,35 @@
 
 	while (1) {
 		set_current_state(TASK_INTERRUPTIBLE);
-		spin_lock_irqsave(&up_cpumask_lock, flags);
+		spin_lock_irqsave(&speedchange_cpumask_lock, flags);
 
-		if (cpumask_empty(&up_cpumask)) {
-			spin_unlock_irqrestore(&up_cpumask_lock, flags);
+		if (cpumask_empty(&speedchange_cpumask)) {
+			spin_unlock_irqrestore(&speedchange_cpumask_lock,
+					       flags);
 			schedule();
 
 			if (kthread_should_stop())
 				break;
 
-			spin_lock_irqsave(&up_cpumask_lock, flags);
+			spin_lock_irqsave(&speedchange_cpumask_lock, flags);
 		}
 
 		set_current_state(TASK_RUNNING);
-		tmp_mask = up_cpumask;
-		cpumask_clear(&up_cpumask);
-		spin_unlock_irqrestore(&up_cpumask_lock, flags);
+		tmp_mask = speedchange_cpumask;
+		cpumask_clear(&speedchange_cpumask);
+		spin_unlock_irqrestore(&speedchange_cpumask_lock, flags);
 
 		for_each_cpu(cpu, &tmp_mask) {
 			unsigned int j;
 			unsigned int max_freq = 0;
 
 			pcpu = &per_cpu(cpuinfo, cpu);
-			smp_rmb();
-
-			if (!pcpu->governor_enabled)
+			if (!down_read_trylock(&pcpu->enable_sem))
 				continue;
-
-			mutex_lock(&set_speed_lock);
+			if (!pcpu->governor_enabled) {
+				up_read(&pcpu->enable_sem);
+				continue;
+			}
 
 			for_each_cpu(j, pcpu->policy->cpus) {
 				struct cpufreq_interactive_cpuinfo *pjcpu =
@@ -440,57 +499,17 @@
 				__cpufreq_driver_target(pcpu->policy,
 							max_freq,
 							CPUFREQ_RELATION_H);
-			mutex_unlock(&set_speed_lock);
-			trace_cpufreq_interactive_up(cpu, pcpu->target_freq,
+			trace_cpufreq_interactive_setspeed(cpu,
+						     pcpu->target_freq,
 						     pcpu->policy->cur);
+
+			up_read(&pcpu->enable_sem);
 		}
 	}
 
 	return 0;
 }
 
-static void cpufreq_interactive_freq_down(struct work_struct *work)
-{
-	unsigned int cpu;
-	cpumask_t tmp_mask;
-	unsigned long flags;
-	struct cpufreq_interactive_cpuinfo *pcpu;
-
-	spin_lock_irqsave(&down_cpumask_lock, flags);
-	tmp_mask = down_cpumask;
-	cpumask_clear(&down_cpumask);
-	spin_unlock_irqrestore(&down_cpumask_lock, flags);
-
-	for_each_cpu(cpu, &tmp_mask) {
-		unsigned int j;
-		unsigned int max_freq = 0;
-
-		pcpu = &per_cpu(cpuinfo, cpu);
-		smp_rmb();
-
-		if (!pcpu->governor_enabled)
-			continue;
-
-		mutex_lock(&set_speed_lock);
-
-		for_each_cpu(j, pcpu->policy->cpus) {
-			struct cpufreq_interactive_cpuinfo *pjcpu =
-				&per_cpu(cpuinfo, j);
-
-			if (pjcpu->target_freq > max_freq)
-				max_freq = pjcpu->target_freq;
-		}
-
-		if (max_freq != pcpu->policy->cur)
-			__cpufreq_driver_target(pcpu->policy, max_freq,
-						CPUFREQ_RELATION_H);
-
-		mutex_unlock(&set_speed_lock);
-		trace_cpufreq_interactive_down(cpu, pcpu->target_freq,
-					       pcpu->policy->cur);
-	}
-}
-
 static void cpufreq_interactive_boost(void)
 {
 	int i;
@@ -498,17 +517,16 @@
 	unsigned long flags;
 	struct cpufreq_interactive_cpuinfo *pcpu;
 
-	spin_lock_irqsave(&up_cpumask_lock, flags);
+	spin_lock_irqsave(&speedchange_cpumask_lock, flags);
 
 	for_each_online_cpu(i) {
 		pcpu = &per_cpu(cpuinfo, i);
 
 		if (pcpu->target_freq < hispeed_freq) {
 			pcpu->target_freq = hispeed_freq;
-			cpumask_set_cpu(i, &up_cpumask);
-			pcpu->target_set_time_in_idle =
-				get_cpu_idle_time_us(i, &pcpu->target_set_time);
-			pcpu->hispeed_validate_time = pcpu->target_set_time;
+			cpumask_set_cpu(i, &speedchange_cpumask);
+			pcpu->hispeed_validate_time =
+				ktime_to_us(ktime_get());
 			anyboost = 1;
 		}
 
@@ -521,106 +539,126 @@
 		pcpu->floor_validate_time = ktime_to_us(ktime_get());
 	}
 
-	spin_unlock_irqrestore(&up_cpumask_lock, flags);
+	spin_unlock_irqrestore(&speedchange_cpumask_lock, flags);
 
 	if (anyboost)
-		wake_up_process(up_task);
+		wake_up_process(speedchange_task);
 }
 
-/*
- * Pulsed boost on input event raises CPUs to hispeed_freq and lets
- * usual algorithm of min_sample_time  decide when to allow speed
- * to drop.
- */
-
-static void cpufreq_interactive_input_event(struct input_handle *handle,
-					    unsigned int type,
-					    unsigned int code, int value)
+static int cpufreq_interactive_notifier(
+	struct notifier_block *nb, unsigned long val, void *data)
 {
-	if (input_boost_val && type == EV_SYN && code == SYN_REPORT) {
-		trace_cpufreq_interactive_boost("input");
-		cpufreq_interactive_boost();
+	struct cpufreq_freqs *freq = data;
+	struct cpufreq_interactive_cpuinfo *pcpu;
+	int cpu;
+	unsigned long flags;
+
+	if (val == CPUFREQ_POSTCHANGE) {
+		pcpu = &per_cpu(cpuinfo, freq->cpu);
+		if (!down_read_trylock(&pcpu->enable_sem))
+			return 0;
+		if (!pcpu->governor_enabled) {
+			up_read(&pcpu->enable_sem);
+			return 0;
+		}
+
+		for_each_cpu(cpu, pcpu->policy->cpus) {
+			struct cpufreq_interactive_cpuinfo *pjcpu =
+				&per_cpu(cpuinfo, cpu);
+			spin_lock_irqsave(&pjcpu->load_lock, flags);
+			update_load(cpu);
+			spin_unlock_irqrestore(&pjcpu->load_lock, flags);
+		}
+
+		up_read(&pcpu->enable_sem);
 	}
-}
-
-static void cpufreq_interactive_input_open(struct work_struct *w)
-{
-	struct cpufreq_interactive_inputopen *io =
-		container_of(w, struct cpufreq_interactive_inputopen,
-			     inputopen_work);
-	int error;
-
-	error = input_open_device(io->handle);
-	if (error)
-		input_unregister_handle(io->handle);
-}
-
-static int cpufreq_interactive_input_connect(struct input_handler *handler,
-					     struct input_dev *dev,
-					     const struct input_device_id *id)
-{
-	struct input_handle *handle;
-	int error;
-
-	pr_info("%s: connect to %s\n", __func__, dev->name);
-	handle = kzalloc(sizeof(struct input_handle), GFP_KERNEL);
-	if (!handle)
-		return -ENOMEM;
-
-	handle->dev = dev;
-	handle->handler = handler;
-	handle->name = "cpufreq_interactive";
-
-	error = input_register_handle(handle);
-	if (error)
-		goto err;
-
-	inputopen.handle = handle;
-	queue_work(down_wq, &inputopen.inputopen_work);
 	return 0;
-err:
-	kfree(handle);
-	return error;
 }
 
-static void cpufreq_interactive_input_disconnect(struct input_handle *handle)
+static struct notifier_block cpufreq_notifier_block = {
+	.notifier_call = cpufreq_interactive_notifier,
+};
+
+static ssize_t show_target_loads(
+	struct kobject *kobj, struct attribute *attr, char *buf)
 {
-	input_close_device(handle);
-	input_unregister_handle(handle);
-	kfree(handle);
+	int i;
+	ssize_t ret = 0;
+	unsigned long flags;
+
+	spin_lock_irqsave(&target_loads_lock, flags);
+
+	for (i = 0; i < ntarget_loads; i++)
+		ret += sprintf(buf + ret, "%u%s", target_loads[i],
+			       i & 0x1 ? ":" : " ");
+
+	ret += sprintf(buf + ret, "\n");
+	spin_unlock_irqrestore(&target_loads_lock, flags);
+	return ret;
 }
 
-static const struct input_device_id cpufreq_interactive_ids[] = {
-	{
-		.flags = INPUT_DEVICE_ID_MATCH_EVBIT |
-			 INPUT_DEVICE_ID_MATCH_ABSBIT,
-		.evbit = { BIT_MASK(EV_ABS) },
-		.absbit = { [BIT_WORD(ABS_MT_POSITION_X)] =
-			    BIT_MASK(ABS_MT_POSITION_X) |
-			    BIT_MASK(ABS_MT_POSITION_Y) },
-	}, /* multi-touch touchscreen */
-	{
-		.flags = INPUT_DEVICE_ID_MATCH_KEYBIT |
-			 INPUT_DEVICE_ID_MATCH_ABSBIT,
-		.keybit = { [BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH) },
-		.absbit = { [BIT_WORD(ABS_X)] =
-			    BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) },
-	}, /* touchpad */
-	{ },
-};
+static ssize_t store_target_loads(
+	struct kobject *kobj, struct attribute *attr, const char *buf,
+	size_t count)
+{
+	int ret;
+	const char *cp;
+	unsigned int *new_target_loads = NULL;
+	int ntokens = 1;
+	int i;
+	unsigned long flags;
 
-static struct input_handler cpufreq_interactive_input_handler = {
-	.event          = cpufreq_interactive_input_event,
-	.connect        = cpufreq_interactive_input_connect,
-	.disconnect     = cpufreq_interactive_input_disconnect,
-	.name           = "cpufreq_interactive",
-	.id_table       = cpufreq_interactive_ids,
-};
+	cp = buf;
+	while ((cp = strpbrk(cp + 1, " :")))
+		ntokens++;
+
+	if (!(ntokens & 0x1))
+		goto err_inval;
+
+	new_target_loads = kmalloc(ntokens * sizeof(unsigned int), GFP_KERNEL);
+	if (!new_target_loads) {
+		ret = -ENOMEM;
+		goto err;
+	}
+
+	cp = buf;
+	i = 0;
+	while (i < ntokens) {
+		if (sscanf(cp, "%u", &new_target_loads[i++]) != 1)
+			goto err_inval;
+
+		cp = strpbrk(cp, " :");
+		if (!cp)
+			break;
+		cp++;
+	}
+
+	if (i != ntokens)
+		goto err_inval;
+
+	spin_lock_irqsave(&target_loads_lock, flags);
+	if (target_loads != default_target_loads)
+		kfree(target_loads);
+	target_loads = new_target_loads;
+	ntarget_loads = ntokens;
+	spin_unlock_irqrestore(&target_loads_lock, flags);
+	return count;
+
+err_inval:
+	ret = -EINVAL;
+err:
+	kfree(new_target_loads);
+	return ret;
+}
+
+static struct global_attr target_loads_attr =
+	__ATTR(target_loads, S_IRUGO | S_IWUSR,
+		show_target_loads, store_target_loads);
 
 static ssize_t show_hispeed_freq(struct kobject *kobj,
 				 struct attribute *attr, char *buf)
 {
-	return sprintf(buf, "%llu\n", hispeed_freq);
+	return sprintf(buf, "%u\n", hispeed_freq);
 }
 
 static ssize_t store_hispeed_freq(struct kobject *kobj,
@@ -628,9 +666,9 @@
 				  size_t count)
 {
 	int ret;
-	u64 val;
+	long unsigned int val;
 
-	ret = strict_strtoull(buf, 0, &val);
+	ret = strict_strtoul(buf, 0, &val);
 	if (ret < 0)
 		return ret;
 	hispeed_freq = val;
@@ -729,26 +767,28 @@
 static struct global_attr timer_rate_attr = __ATTR(timer_rate, 0644,
 		show_timer_rate, store_timer_rate);
 
-static ssize_t show_input_boost(struct kobject *kobj, struct attribute *attr,
-				char *buf)
+static ssize_t show_timer_slack(
+	struct kobject *kobj, struct attribute *attr, char *buf)
 {
-	return sprintf(buf, "%u\n", input_boost_val);
+	return sprintf(buf, "%d\n", timer_slack_val);
 }
 
-static ssize_t store_input_boost(struct kobject *kobj, struct attribute *attr,
-				 const char *buf, size_t count)
+static ssize_t store_timer_slack(
+	struct kobject *kobj, struct attribute *attr, const char *buf,
+	size_t count)
 {
 	int ret;
 	unsigned long val;
 
-	ret = strict_strtoul(buf, 0, &val);
+	ret = kstrtol(buf, 10, &val);
 	if (ret < 0)
 		return ret;
-	input_boost_val = val;
+
+	timer_slack_val = val;
 	return count;
 }
 
-define_one_global_rw(input_boost);
+define_one_global_rw(timer_slack);
 
 static ssize_t show_boost(struct kobject *kobj, struct attribute *attr,
 			  char *buf)
@@ -790,6 +830,7 @@
 	if (ret < 0)
 		return ret;
 
+	boostpulse_endtime = ktime_to_us(ktime_get()) + boostpulse_duration_val;
 	trace_cpufreq_interactive_boost("pulse");
 	cpufreq_interactive_boost();
 	return count;
@@ -798,15 +839,40 @@
 static struct global_attr boostpulse =
 	__ATTR(boostpulse, 0200, NULL, store_boostpulse);
 
+static ssize_t show_boostpulse_duration(
+	struct kobject *kobj, struct attribute *attr, char *buf)
+{
+	return sprintf(buf, "%d\n", boostpulse_duration_val);
+}
+
+static ssize_t store_boostpulse_duration(
+	struct kobject *kobj, struct attribute *attr, const char *buf,
+	size_t count)
+{
+	int ret;
+	unsigned long val;
+
+	ret = kstrtoul(buf, 0, &val);
+	if (ret < 0)
+		return ret;
+
+	boostpulse_duration_val = val;
+	return count;
+}
+
+define_one_global_rw(boostpulse_duration);
+
 static struct attribute *interactive_attributes[] = {
+	&target_loads_attr.attr,
 	&hispeed_freq_attr.attr,
 	&go_hispeed_load_attr.attr,
 	&above_hispeed_delay.attr,
 	&min_sample_time_attr.attr,
 	&timer_rate_attr.attr,
-	&input_boost.attr,
+	&timer_slack.attr,
 	&boost.attr,
 	&boostpulse.attr,
+	&boostpulse_duration.attr,
 	NULL,
 };
 
@@ -815,102 +881,6 @@
 	.name = "interactive",
 };
 
-static int cpufreq_governor_interactive(struct cpufreq_policy *policy,
-		unsigned int event)
-{
-	int rc;
-	unsigned int j;
-	struct cpufreq_interactive_cpuinfo *pcpu;
-	struct cpufreq_frequency_table *freq_table;
-
-	switch (event) {
-	case CPUFREQ_GOV_START:
-		if (!cpu_online(policy->cpu))
-			return -EINVAL;
-
-		freq_table =
-			cpufreq_frequency_get_table(policy->cpu);
-
-		for_each_cpu(j, policy->cpus) {
-			pcpu = &per_cpu(cpuinfo, j);
-			pcpu->policy = policy;
-			pcpu->target_freq = policy->cur;
-			pcpu->freq_table = freq_table;
-			pcpu->target_set_time_in_idle =
-				get_cpu_idle_time_us(j,
-					     &pcpu->target_set_time);
-			pcpu->floor_freq = pcpu->target_freq;
-			pcpu->floor_validate_time =
-				pcpu->target_set_time;
-			pcpu->hispeed_validate_time =
-				pcpu->target_set_time;
-			pcpu->governor_enabled = 1;
-			pcpu->idle_exit_time = pcpu->target_set_time;
-			mod_timer(&pcpu->cpu_timer,
-				jiffies + usecs_to_jiffies(timer_rate));
-			smp_wmb();
-		}
-
-		if (!hispeed_freq)
-			hispeed_freq = policy->max;
-
-		/*
-		 * Do not register the idle hook and create sysfs
-		 * entries if we have already done so.
-		 */
-		if (atomic_inc_return(&active_count) > 1)
-			return 0;
-
-		rc = sysfs_create_group(cpufreq_global_kobject,
-				&interactive_attr_group);
-		if (rc)
-			return rc;
-
-		rc = input_register_handler(&cpufreq_interactive_input_handler);
-		if (rc)
-			pr_warn("%s: failed to register input handler\n",
-				__func__);
-
-		break;
-
-	case CPUFREQ_GOV_STOP:
-		for_each_cpu(j, policy->cpus) {
-			pcpu = &per_cpu(cpuinfo, j);
-			pcpu->governor_enabled = 0;
-			smp_wmb();
-			del_timer_sync(&pcpu->cpu_timer);
-
-			/*
-			 * Reset idle exit time since we may cancel the timer
-			 * before it can run after the last idle exit time,
-			 * to avoid tripping the check in idle exit for a timer
-			 * that is trying to run.
-			 */
-			pcpu->idle_exit_time = 0;
-		}
-
-		flush_work(&freq_scale_down_work);
-		if (atomic_dec_return(&active_count) > 0)
-			return 0;
-
-		input_unregister_handler(&cpufreq_interactive_input_handler);
-		sysfs_remove_group(cpufreq_global_kobject,
-				&interactive_attr_group);
-
-		break;
-
-	case CPUFREQ_GOV_LIMITS:
-		if (policy->max < policy->cur)
-			__cpufreq_driver_target(policy,
-					policy->max, CPUFREQ_RELATION_H);
-		else if (policy->min > policy->cur)
-			__cpufreq_driver_target(policy,
-					policy->min, CPUFREQ_RELATION_L);
-		break;
-	}
-	return 0;
-}
-
 static int cpufreq_interactive_idle_notifier(struct notifier_block *nb,
 					     unsigned long val,
 					     void *data)
@@ -931,57 +901,148 @@
 	.notifier_call = cpufreq_interactive_idle_notifier,
 };
 
+static int cpufreq_governor_interactive(struct cpufreq_policy *policy,
+		unsigned int event)
+{
+	int rc;
+	unsigned int j;
+	struct cpufreq_interactive_cpuinfo *pcpu;
+	struct cpufreq_frequency_table *freq_table;
+
+	switch (event) {
+	case CPUFREQ_GOV_START:
+		if (!cpu_online(policy->cpu))
+			return -EINVAL;
+
+		mutex_lock(&gov_lock);
+
+		freq_table =
+			cpufreq_frequency_get_table(policy->cpu);
+		if (!hispeed_freq)
+			hispeed_freq = policy->max;
+
+		for_each_cpu(j, policy->cpus) {
+			unsigned long expires;
+
+			pcpu = &per_cpu(cpuinfo, j);
+			pcpu->policy = policy;
+			pcpu->target_freq = policy->cur;
+			pcpu->freq_table = freq_table;
+			pcpu->floor_freq = pcpu->target_freq;
+			pcpu->floor_validate_time =
+				ktime_to_us(ktime_get());
+			pcpu->hispeed_validate_time =
+				pcpu->floor_validate_time;
+			down_write(&pcpu->enable_sem);
+			expires = jiffies + usecs_to_jiffies(timer_rate);
+			pcpu->cpu_timer.expires = expires;
+			add_timer_on(&pcpu->cpu_timer, j);
+			if (timer_slack_val >= 0) {
+				expires += usecs_to_jiffies(timer_slack_val);
+				pcpu->cpu_slack_timer.expires = expires;
+				add_timer_on(&pcpu->cpu_slack_timer, j);
+			}
+			pcpu->governor_enabled = 1;
+			up_write(&pcpu->enable_sem);
+		}
+
+		/*
+		 * Do not register the idle hook and create sysfs
+		 * entries if we have already done so.
+		 */
+		if (++active_count > 1) {
+			mutex_unlock(&gov_lock);
+			return 0;
+		}
+
+		rc = sysfs_create_group(cpufreq_global_kobject,
+				&interactive_attr_group);
+		if (rc) {
+			mutex_unlock(&gov_lock);
+			return rc;
+		}
+
+		idle_notifier_register(&cpufreq_interactive_idle_nb);
+		cpufreq_register_notifier(
+			&cpufreq_notifier_block, CPUFREQ_TRANSITION_NOTIFIER);
+		mutex_unlock(&gov_lock);
+		break;
+
+	case CPUFREQ_GOV_STOP:
+		mutex_lock(&gov_lock);
+		for_each_cpu(j, policy->cpus) {
+			pcpu = &per_cpu(cpuinfo, j);
+			down_write(&pcpu->enable_sem);
+			pcpu->governor_enabled = 0;
+			del_timer_sync(&pcpu->cpu_timer);
+			del_timer_sync(&pcpu->cpu_slack_timer);
+			up_write(&pcpu->enable_sem);
+		}
+
+		if (--active_count > 0) {
+			mutex_unlock(&gov_lock);
+			return 0;
+		}
+
+		cpufreq_unregister_notifier(
+			&cpufreq_notifier_block, CPUFREQ_TRANSITION_NOTIFIER);
+		idle_notifier_unregister(&cpufreq_interactive_idle_nb);
+		sysfs_remove_group(cpufreq_global_kobject,
+				&interactive_attr_group);
+		mutex_unlock(&gov_lock);
+
+		break;
+
+	case CPUFREQ_GOV_LIMITS:
+		if (policy->max < policy->cur)
+			__cpufreq_driver_target(policy,
+					policy->max, CPUFREQ_RELATION_H);
+		else if (policy->min > policy->cur)
+			__cpufreq_driver_target(policy,
+					policy->min, CPUFREQ_RELATION_L);
+		break;
+	}
+	return 0;
+}
+
+static void cpufreq_interactive_nop_timer(unsigned long data)
+{
+}
+
 static int __init cpufreq_interactive_init(void)
 {
 	unsigned int i;
 	struct cpufreq_interactive_cpuinfo *pcpu;
 	struct sched_param param = { .sched_priority = MAX_RT_PRIO-1 };
 
-	go_hispeed_load = DEFAULT_GO_HISPEED_LOAD;
-	min_sample_time = DEFAULT_MIN_SAMPLE_TIME;
-	above_hispeed_delay_val = DEFAULT_ABOVE_HISPEED_DELAY;
-	timer_rate = DEFAULT_TIMER_RATE;
-
 	/* Initalize per-cpu timers */
 	for_each_possible_cpu(i) {
 		pcpu = &per_cpu(cpuinfo, i);
-		init_timer(&pcpu->cpu_timer);
+		init_timer_deferrable(&pcpu->cpu_timer);
 		pcpu->cpu_timer.function = cpufreq_interactive_timer;
 		pcpu->cpu_timer.data = i;
+		init_timer(&pcpu->cpu_slack_timer);
+		pcpu->cpu_slack_timer.function = cpufreq_interactive_nop_timer;
+		spin_lock_init(&pcpu->load_lock);
+		init_rwsem(&pcpu->enable_sem);
 	}
 
-	up_task = kthread_create(cpufreq_interactive_up_task, NULL,
-				 "kinteractiveup");
-	if (IS_ERR(up_task))
-		return PTR_ERR(up_task);
+	spin_lock_init(&target_loads_lock);
+	spin_lock_init(&speedchange_cpumask_lock);
+	mutex_init(&gov_lock);
+	speedchange_task =
+		kthread_create(cpufreq_interactive_speedchange_task, NULL,
+			       "cfinteractive");
+	if (IS_ERR(speedchange_task))
+		return PTR_ERR(speedchange_task);
 
-	sched_setscheduler_nocheck(up_task, SCHED_FIFO, &param);
-	get_task_struct(up_task);
+	sched_setscheduler_nocheck(speedchange_task, SCHED_FIFO, &param);
+	get_task_struct(speedchange_task);
 
-	/* No rescuer thread, bind to CPU queuing the work for possibly
-	   warm cache (probably doesn't matter much). */
-	down_wq = alloc_workqueue("knteractive_down", 0, 1);
+	/* NB: wake up so the thread does not look hung to the freezer */
+	wake_up_process(speedchange_task);
 
-	if (!down_wq)
-		goto err_freeuptask;
-
-	INIT_WORK(&freq_scale_down_work,
-		  cpufreq_interactive_freq_down);
-
-	spin_lock_init(&up_cpumask_lock);
-	spin_lock_init(&down_cpumask_lock);
-	mutex_init(&set_speed_lock);
-
-	/* Kick the kthread to idle */
-	wake_up_process(up_task);
-
-	idle_notifier_register(&cpufreq_interactive_idle_nb);
-	INIT_WORK(&inputopen.inputopen_work, cpufreq_interactive_input_open);
 	return cpufreq_register_governor(&cpufreq_gov_interactive);
-
-err_freeuptask:
-	put_task_struct(up_task);
-	return -ENOMEM;
 }
 
 #ifdef CONFIG_CPU_FREQ_DEFAULT_GOV_INTERACTIVE
@@ -993,9 +1054,8 @@
 static void __exit cpufreq_interactive_exit(void)
 {
 	cpufreq_unregister_governor(&cpufreq_gov_interactive);
-	kthread_stop(up_task);
-	put_task_struct(up_task);
-	destroy_workqueue(down_wq);
+	kthread_stop(speedchange_task);
+	put_task_struct(speedchange_task);
 }
 
 module_exit(cpufreq_interactive_exit);
diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig
index c758b3a..99ace44 100644
--- a/drivers/crypto/Kconfig
+++ b/drivers/crypto/Kconfig
@@ -306,7 +306,7 @@
 config CRYPTO_DEV_QCE
 	tristate "Qualcomm Crypto Engine (QCE) module"
 	select  CRYPTO_DEV_QCE40 if ARCH_MSM8960 || ARCH_MSM9615
-	select  CRYPTO_DEV_QCE50 if ARCH_MSM8974 || ARCH_MSM9625
+	select  CRYPTO_DEV_QCE50 if ARCH_MSM8974 || ARCH_MSM9625 || ARCH_MSM8226
 	default n
 	help
           This driver supports Qualcomm Crypto Engine in MSM7x30, MSM8660
diff --git a/drivers/crypto/msm/qce.c b/drivers/crypto/msm/qce.c
index 24cf30a..7778477 100644
--- a/drivers/crypto/msm/qce.c
+++ b/drivers/crypto/msm/qce.c
@@ -2203,6 +2203,18 @@
 }
 EXPORT_SYMBOL(qce_process_sha_req);
 
+int qce_enable_clk(void *handle)
+{
+	return 0;
+}
+EXPORT_SYMBOL(qce_enable_clk);
+
+int qce_disable_clk(void *handle)
+{
+	return 0;
+}
+EXPORT_SYMBOL(qce_disable_clk);
+
 /*
  * crypto engine open function.
  */
diff --git a/drivers/crypto/msm/qce.h b/drivers/crypto/msm/qce.h
index 3ff84cf..51a74b6 100644
--- a/drivers/crypto/msm/qce.h
+++ b/drivers/crypto/msm/qce.h
@@ -160,5 +160,7 @@
 int qce_ablk_cipher_req(void *handle, struct qce_req *req);
 int qce_hw_support(void *handle, struct ce_hw_support *support);
 int qce_process_sha_req(void *handle, struct qce_sha_req *s_req);
+int qce_enable_clk(void *handle);
+int qce_disable_clk(void *handle);
 
 #endif /* __CRYPTO_MSM_QCE_H */
diff --git a/drivers/crypto/msm/qce40.c b/drivers/crypto/msm/qce40.c
index 7b0964d..5249917 100644
--- a/drivers/crypto/msm/qce40.c
+++ b/drivers/crypto/msm/qce40.c
@@ -2426,6 +2426,18 @@
 }
 EXPORT_SYMBOL(qce_process_sha_req);
 
+int qce_enable_clk(void *handle)
+{
+	return 0;
+}
+EXPORT_SYMBOL(qce_enable_clk);
+
+int qce_disable_clk(void *handle)
+{
+	return 0;
+}
+EXPORT_SYMBOL(qce_disable_clk);
+
 /* crypto engine open function. */
 void *qce_open(struct platform_device *pdev, int *rc)
 {
diff --git a/drivers/crypto/msm/qce50.c b/drivers/crypto/msm/qce50.c
index 739a753..245272b 100644
--- a/drivers/crypto/msm/qce50.c
+++ b/drivers/crypto/msm/qce50.c
@@ -39,7 +39,7 @@
 #include "qcryptohw_50.h"
 
 #define CRYPTO_CONFIG_RESET 0xE001F
-#define QCE_MAX_NUM_DSCR    0x400
+#define QCE_MAX_NUM_DSCR    0x500
 #define QCE_SECTOR_SIZE	    0x200
 
 static DEFINE_MUTEX(bam_register_cnt);
@@ -919,17 +919,23 @@
 	iovec->flags |= flag;
 }
 
-static void _qce_sps_add_data(uint32_t addr, uint32_t len,
+static int _qce_sps_add_data(uint32_t addr, uint32_t len,
 		struct sps_transfer *sps_bam_pipe)
 {
 	struct sps_iovec *iovec = sps_bam_pipe->iovec +
 					sps_bam_pipe->iovec_count;
+	if (sps_bam_pipe->iovec_count == QCE_MAX_NUM_DSCR) {
+		pr_err("Num of descrptor %d exceed max (%d)",
+			sps_bam_pipe->iovec_count, (uint32_t)QCE_MAX_NUM_DSCR);
+		return -ENOMEM;
+	}
 	if (len) {
 		iovec->size = len;
 		iovec->addr = addr;
 		iovec->flags = 0;
 		sps_bam_pipe->iovec_count++;
 	}
+	return 0;
 }
 
 static int _qce_sps_add_sg_data(struct qce_device *pce_dev,
@@ -947,6 +953,12 @@
 		if (pce_dev->ce_sps.minor_version == 0)
 			len = ALIGN(len, pce_dev->ce_sps.ce_burst_size);
 		while (len > 0) {
+			if (sps_bam_pipe->iovec_count == QCE_MAX_NUM_DSCR) {
+				pr_err("Num of descrptor %d exceed max (%d)",
+						sps_bam_pipe->iovec_count,
+						(uint32_t)QCE_MAX_NUM_DSCR);
+				return -ENOMEM;
+			}
 			if (len > SPS_MAX_PKT_SIZE) {
 				data_cnt = SPS_MAX_PKT_SIZE;
 				iovec->size = data_cnt;
@@ -1325,19 +1337,6 @@
 	}
 };
 
-static void _aead_sps_consumer_callback(struct sps_event_notify *notify)
-{
-	struct qce_device *pce_dev = (struct qce_device *)
-		((struct sps_event_notify *)notify)->user;
-
-	pce_dev->ce_sps.notify = *notify;
-	pr_debug("sps ev_id=%d, addr=0x%x, size=0x%x, flags=0x%x\n",
-			notify->event_id,
-			notify->data.transfer.iovec.addr,
-			notify->data.transfer.iovec.size,
-			notify->data.transfer.iovec.flags);
-};
-
 static void _sha_sps_producer_callback(struct sps_event_notify *notify)
 {
 	struct qce_device *pce_dev = (struct qce_device *)
@@ -1353,19 +1352,6 @@
 	_sha_complete(pce_dev);
 };
 
-static void _sha_sps_consumer_callback(struct sps_event_notify *notify)
-{
-	struct qce_device *pce_dev = (struct qce_device *)
-		((struct sps_event_notify *)notify)->user;
-
-	pce_dev->ce_sps.notify = *notify;
-	pr_debug("sps ev_id=%d, addr=0x%x, size=0x%x, flags=0x%x\n",
-			notify->event_id,
-			notify->data.transfer.iovec.addr,
-			notify->data.transfer.iovec.size,
-			notify->data.transfer.iovec.flags);
-};
-
 static void _ablk_cipher_sps_producer_callback(struct sps_event_notify *notify)
 {
 	struct qce_device *pce_dev = (struct qce_device *)
@@ -1400,19 +1386,6 @@
 	}
 };
 
-static void _ablk_cipher_sps_consumer_callback(struct sps_event_notify *notify)
-{
-	struct qce_device *pce_dev = (struct qce_device *)
-		((struct sps_event_notify *)notify)->user;
-
-	pce_dev->ce_sps.notify = *notify;
-	pr_debug("sps ev_id=%d, addr=0x%x, size=0x%x, flags=0x%x\n",
-			notify->event_id,
-			notify->data.transfer.iovec.addr,
-			notify->data.transfer.iovec.size,
-			notify->data.transfer.iovec.flags);
-};
-
 static void qce_add_cmd_element(struct qce_device *pdev,
 			struct sps_command_element **cmd_ptr, u32 addr,
 			u32 data, struct sps_command_element **populate)
@@ -2359,31 +2332,23 @@
 		pr_err("Producer callback registration failed rc = %d\n", rc);
 		goto bad;
 	}
-	/* Register callback event for EOT (End of transfer) event. */
-	pce_dev->ce_sps.consumer.event.callback = _aead_sps_consumer_callback;
-	pce_dev->ce_sps.consumer.event.options = SPS_O_DESC_DONE;
-	rc = sps_register_event(pce_dev->ce_sps.consumer.pipe,
-					&pce_dev->ce_sps.consumer.event);
-	if (rc) {
-		pr_err("Consumer callback registration failed rc = %d\n", rc);
-		goto bad;
-	}
-
 	_qce_sps_iovec_count_init(pce_dev);
 
 	_qce_sps_add_cmd(pce_dev, SPS_IOVEC_FLAG_LOCK, cmdlistinfo,
 					&pce_dev->ce_sps.in_transfer);
 
 	if (pce_dev->ce_sps.minor_version == 0) {
-		_qce_sps_add_sg_data(pce_dev, areq->src, totallen_in,
-					&pce_dev->ce_sps.in_transfer);
+		if (_qce_sps_add_sg_data(pce_dev, areq->src, totallen_in,
+					&pce_dev->ce_sps.in_transfer))
+			goto bad;
 
 		_qce_set_flag(&pce_dev->ce_sps.in_transfer,
 				SPS_IOVEC_FLAG_EOT|SPS_IOVEC_FLAG_NWD);
 
-		_qce_sps_add_sg_data(pce_dev, areq->dst, out_len +
+		if (_qce_sps_add_sg_data(pce_dev, areq->dst, out_len +
 					areq->assoclen + hw_pad_out,
-				&pce_dev->ce_sps.out_transfer);
+				&pce_dev->ce_sps.out_transfer))
+			goto bad;
 		if (totallen_in > SPS_MAX_PKT_SIZE) {
 			_qce_set_flag(&pce_dev->ce_sps.out_transfer,
 							SPS_IOVEC_FLAG_INT);
@@ -2391,42 +2356,52 @@
 							SPS_O_DESC_DONE;
 			pce_dev->ce_sps.producer_state = QCE_PIPE_STATE_IDLE;
 		} else {
-			_qce_sps_add_data(GET_PHYS_ADDR(
+			if (_qce_sps_add_data(GET_PHYS_ADDR(
 					pce_dev->ce_sps.result_dump),
 					CRYPTO_RESULT_DUMP_SIZE,
-					  &pce_dev->ce_sps.out_transfer);
+					&pce_dev->ce_sps.out_transfer))
+				goto bad;
 			_qce_set_flag(&pce_dev->ce_sps.out_transfer,
 							SPS_IOVEC_FLAG_INT);
 			pce_dev->ce_sps.producer_state = QCE_PIPE_STATE_COMP;
 		}
 	} else {
-		_qce_sps_add_sg_data(pce_dev, areq->assoc, areq->assoclen,
-					 &pce_dev->ce_sps.in_transfer);
-		_qce_sps_add_data((uint32_t)pce_dev->phy_iv_in, ivsize,
-					&pce_dev->ce_sps.in_transfer);
-		_qce_sps_add_sg_data(pce_dev, areq->src, areq->cryptlen,
-					&pce_dev->ce_sps.in_transfer);
+		if (_qce_sps_add_sg_data(pce_dev, areq->assoc, areq->assoclen,
+					 &pce_dev->ce_sps.in_transfer))
+			goto bad;
+		if (_qce_sps_add_data((uint32_t)pce_dev->phy_iv_in, ivsize,
+					&pce_dev->ce_sps.in_transfer))
+			goto bad;
+		if (_qce_sps_add_sg_data(pce_dev, areq->src, areq->cryptlen,
+					&pce_dev->ce_sps.in_transfer))
+			goto bad;
 		_qce_set_flag(&pce_dev->ce_sps.in_transfer,
 				SPS_IOVEC_FLAG_EOT|SPS_IOVEC_FLAG_NWD);
 
 		/* Pass through to ignore associated (+iv, if applicable) data*/
-		_qce_sps_add_data(GET_PHYS_ADDR(pce_dev->ce_sps.ignore_buffer),
+		if (_qce_sps_add_data(
+				GET_PHYS_ADDR(pce_dev->ce_sps.ignore_buffer),
 				(ivsize + areq->assoclen),
-				&pce_dev->ce_sps.out_transfer);
-		_qce_sps_add_sg_data(pce_dev, areq->dst, out_len,
-					&pce_dev->ce_sps.out_transfer);
+				&pce_dev->ce_sps.out_transfer))
+			goto bad;
+		if (_qce_sps_add_sg_data(pce_dev, areq->dst, out_len,
+					&pce_dev->ce_sps.out_transfer))
+			goto bad;
 		/* Pass through to ignore hw_pad (padding of the MAC data) */
-		_qce_sps_add_data(GET_PHYS_ADDR(pce_dev->ce_sps.ignore_buffer),
-				hw_pad_out, &pce_dev->ce_sps.out_transfer);
+		if (_qce_sps_add_data(
+				GET_PHYS_ADDR(pce_dev->ce_sps.ignore_buffer),
+				hw_pad_out, &pce_dev->ce_sps.out_transfer))
+			goto bad;
 		if (totallen_in > SPS_MAX_PKT_SIZE) {
 			_qce_set_flag(&pce_dev->ce_sps.out_transfer,
 							SPS_IOVEC_FLAG_INT);
 			pce_dev->ce_sps.producer_state = QCE_PIPE_STATE_IDLE;
 		} else {
-			_qce_sps_add_data(
+			if (_qce_sps_add_data(
 				GET_PHYS_ADDR(pce_dev->ce_sps.result_dump),
 					CRYPTO_RESULT_DUMP_SIZE,
-					  &pce_dev->ce_sps.out_transfer);
+					  &pce_dev->ce_sps.out_transfer))
+				goto bad;
 			_qce_set_flag(&pce_dev->ce_sps.out_transfer,
 							SPS_IOVEC_FLAG_INT);
 			pce_dev->ce_sps.producer_state = QCE_PIPE_STATE_COMP;
@@ -2515,37 +2490,30 @@
 		pr_err("Producer callback registration failed rc = %d\n", rc);
 		goto bad;
 	}
-	/* Register callback event for EOT (End of transfer) event. */
-	pce_dev->ce_sps.consumer.event.callback =
-			_ablk_cipher_sps_consumer_callback;
-	pce_dev->ce_sps.consumer.event.options = SPS_O_DESC_DONE;
-	rc = sps_register_event(pce_dev->ce_sps.consumer.pipe,
-					&pce_dev->ce_sps.consumer.event);
-	if (rc) {
-		pr_err("Consumer callback registration failed rc = %d\n", rc);
-		goto bad;
-	}
-
 	_qce_sps_iovec_count_init(pce_dev);
 
 	_qce_sps_add_cmd(pce_dev, SPS_IOVEC_FLAG_LOCK, cmdlistinfo,
 					&pce_dev->ce_sps.in_transfer);
-	_qce_sps_add_sg_data(pce_dev, areq->src, areq->nbytes,
-					&pce_dev->ce_sps.in_transfer);
+	if (_qce_sps_add_sg_data(pce_dev, areq->src, areq->nbytes,
+					&pce_dev->ce_sps.in_transfer))
+		goto bad;
 	_qce_set_flag(&pce_dev->ce_sps.in_transfer,
 				SPS_IOVEC_FLAG_EOT|SPS_IOVEC_FLAG_NWD);
 
-	_qce_sps_add_sg_data(pce_dev, areq->dst, areq->nbytes,
-					&pce_dev->ce_sps.out_transfer);
+	if (_qce_sps_add_sg_data(pce_dev, areq->dst, areq->nbytes,
+					&pce_dev->ce_sps.out_transfer))
+		goto bad;
 	if (areq->nbytes > SPS_MAX_PKT_SIZE) {
 		_qce_set_flag(&pce_dev->ce_sps.out_transfer,
 							SPS_IOVEC_FLAG_INT);
 		pce_dev->ce_sps.producer_state = QCE_PIPE_STATE_IDLE;
 	} else {
 		pce_dev->ce_sps.producer_state = QCE_PIPE_STATE_COMP;
-		_qce_sps_add_data(GET_PHYS_ADDR(pce_dev->ce_sps.result_dump),
-					CRYPTO_RESULT_DUMP_SIZE,
-					  &pce_dev->ce_sps.out_transfer);
+		if (_qce_sps_add_data(
+				GET_PHYS_ADDR(pce_dev->ce_sps.result_dump),
+				CRYPTO_RESULT_DUMP_SIZE,
+				&pce_dev->ce_sps.out_transfer))
+			goto bad;
 		_qce_set_flag(&pce_dev->ce_sps.out_transfer,
 							SPS_IOVEC_FLAG_INT);
 	}
@@ -2598,29 +2566,20 @@
 		pr_err("Producer callback registration failed rc = %d\n", rc);
 		goto bad;
 	}
-
-	/* Register callback event for EOT (End of transfer) event. */
-	pce_dev->ce_sps.consumer.event.callback = _sha_sps_consumer_callback;
-	pce_dev->ce_sps.consumer.event.options = SPS_O_DESC_DONE;
-	rc = sps_register_event(pce_dev->ce_sps.consumer.pipe,
-					&pce_dev->ce_sps.consumer.event);
-	if (rc) {
-		pr_err("Consumer callback registration failed rc = %d\n", rc);
-		goto bad;
-	}
-
 	_qce_sps_iovec_count_init(pce_dev);
 
 	_qce_sps_add_cmd(pce_dev, SPS_IOVEC_FLAG_LOCK, cmdlistinfo,
 					&pce_dev->ce_sps.in_transfer);
-	_qce_sps_add_sg_data(pce_dev, areq->src, areq->nbytes,
-						 &pce_dev->ce_sps.in_transfer);
+	if (_qce_sps_add_sg_data(pce_dev, areq->src, areq->nbytes,
+						 &pce_dev->ce_sps.in_transfer))
+		goto bad;
 	_qce_set_flag(&pce_dev->ce_sps.in_transfer,
 				SPS_IOVEC_FLAG_EOT|SPS_IOVEC_FLAG_NWD);
 
-	_qce_sps_add_data(GET_PHYS_ADDR(pce_dev->ce_sps.result_dump),
+	if (_qce_sps_add_data(GET_PHYS_ADDR(pce_dev->ce_sps.result_dump),
 					CRYPTO_RESULT_DUMP_SIZE,
-					  &pce_dev->ce_sps.out_transfer);
+					  &pce_dev->ce_sps.out_transfer))
+		goto bad;
 	_qce_set_flag(&pce_dev->ce_sps.out_transfer, SPS_IOVEC_FLAG_INT);
 	rc = _qce_sps_transfer(pce_dev);
 	if (rc)
@@ -2800,7 +2759,7 @@
 	}
 }
 
-static int __qce_enable_clk(void *handle)
+int qce_enable_clk(void *handle)
 {
 	struct qce_device *pce_dev = (struct qce_device *) handle;
 	int rc = 0;
@@ -2813,6 +2772,7 @@
 			return rc;
 		}
 	}
+
 	/* Enable CE clk */
 	if (pce_dev->ce_clk != NULL) {
 		rc = clk_prepare_enable(pce_dev->ce_clk);
@@ -2834,8 +2794,9 @@
 	}
 	return rc;
 }
+EXPORT_SYMBOL(qce_enable_clk);
 
-static int __qce_disable_clk(void *handle)
+int qce_disable_clk(void *handle)
 {
 	struct qce_device *pce_dev = (struct qce_device *) handle;
 	int rc = 0;
@@ -2849,6 +2810,7 @@
 
 	return rc;
 }
+EXPORT_SYMBOL(qce_disable_clk);
 
 /* crypto engine open function. */
 void *qce_open(struct platform_device *pdev, int *rc)
@@ -2886,19 +2848,20 @@
 	if (*rc)
 		goto err_mem;
 
-	*rc = __qce_enable_clk(pce_dev);
+	*rc = qce_enable_clk(pce_dev);
 	if (*rc)
 		goto err;
 
 	if (_probe_ce_engine(pce_dev)) {
 		*rc = -ENXIO;
-		__qce_disable_clk(pce_dev);
 		goto err;
 	}
 	*rc = 0;
 	qce_setup_ce_sps_data(pce_dev);
 	qce_sps_init(pce_dev);
 
+	qce_disable_clk(pce_dev);
+
 	return pce_dev;
 err:
 	__qce_deinit_clk(pce_dev);
@@ -2932,7 +2895,7 @@
 		dma_free_coherent(pce_dev->pdev, pce_dev->memsize,
 				pce_dev->coh_vmem, pce_dev->coh_pmem);
 
-	__qce_disable_clk(pce_dev);
+	qce_disable_clk(pce_dev);
 	__qce_deinit_clk(pce_dev);
 
 	qce_sps_exit(pce_dev);
diff --git a/drivers/crypto/msm/qcedev.c b/drivers/crypto/msm/qcedev.c
index 8cc42df..e91dcaa 100644
--- a/drivers/crypto/msm/qcedev.c
+++ b/drivers/crypto/msm/qcedev.c
@@ -98,7 +98,7 @@
 };
 
 static DEFINE_MUTEX(send_cmd_lock);
-static DEFINE_MUTEX(sent_bw_req);
+static DEFINE_MUTEX(qcedev_sent_bw_req);
 /**********************************************************************
  * Register ourselves as a misc device to be able to access the dev driver
  * from userspace. */
@@ -177,25 +177,51 @@
 {
 	int ret = 0;
 
-	mutex_lock(&sent_bw_req);
+	mutex_lock(&qcedev_sent_bw_req);
 	if (high_bw_req) {
-		if (podev->high_bw_req_count == 0)
+		if (podev->high_bw_req_count == 0) {
+			ret = qce_enable_clk(podev->qce);
+			if (ret) {
+				pr_err("%s Unable enable clk\n", __func__);
+				mutex_unlock(&qcedev_sent_bw_req);
+				return;
+			}
 			ret = msm_bus_scale_client_update_request(
 					podev->bus_scale_handle, 1);
-		if (ret)
-			pr_err("%s Unable to set to high bandwidth\n",
+			if (ret) {
+				pr_err("%s Unable to set to high bandwidth\n",
 							__func__);
+				ret = qce_disable_clk(podev->qce);
+				mutex_unlock(&qcedev_sent_bw_req);
+				return;
+			}
+		}
 		podev->high_bw_req_count++;
 	} else {
-		if (podev->high_bw_req_count == 1)
+		if (podev->high_bw_req_count == 1) {
 			ret = msm_bus_scale_client_update_request(
 					podev->bus_scale_handle, 0);
-		if (ret)
-			pr_err("%s Unable to set to low bandwidth\n",
+			if (ret) {
+				pr_err("%s Unable to set to low bandwidth\n",
 							__func__);
+				mutex_unlock(&qcedev_sent_bw_req);
+				return;
+			}
+			ret = qce_disable_clk(podev->qce);
+			if (ret) {
+				pr_err("%s Unable disable clk\n", __func__);
+				ret = msm_bus_scale_client_update_request(
+					podev->bus_scale_handle, 1);
+				if (ret)
+					pr_err("%s Unable to set to high bandwidth\n",
+							__func__);
+				mutex_unlock(&qcedev_sent_bw_req);
+				return;
+			}
+		}
 		podev->high_bw_req_count--;
 	}
-	mutex_unlock(&sent_bw_req);
+	mutex_unlock(&qcedev_sent_bw_req);
 }
 
 
@@ -1854,6 +1880,14 @@
 		podev->platform_support.hw_key_support = 0;
 		podev->platform_support.bus_scale_table = NULL;
 		podev->platform_support.sha_hmac = 1;
+
+		if (podev->ce_support.is_shared == false) {
+			podev->platform_support.bus_scale_table =
+				(struct msm_bus_scale_pdata *)
+						msm_bus_cl_get_pdata(pdev);
+			if (!podev->platform_support.bus_scale_table)
+				pr_err("bus_scale_table is NULL\n");
+		}
 	} else {
 		platform_support =
 			(struct msm_ce_hw_support *)pdev->dev.platform_data;
diff --git a/drivers/crypto/msm/qcrypto.c b/drivers/crypto/msm/qcrypto.c
index 85c25c7..40fb29ac 100644
--- a/drivers/crypto/msm/qcrypto.c
+++ b/drivers/crypto/msm/qcrypto.c
@@ -121,7 +121,7 @@
 #define NUM_RETRY				1000
 #define CE_BUSY				        55
 
-static DEFINE_MUTEX(sent_bw_req);
+static DEFINE_MUTEX(qcrypto_sent_bw_req);
 
 static int qcrypto_scm_cmd(int resource, int cmd, int *response)
 {
@@ -346,25 +346,51 @@
 {
 	int ret = 0;
 
-	mutex_lock(&sent_bw_req);
+	mutex_lock(&qcrypto_sent_bw_req);
 	if (high_bw_req) {
-		if (cp->high_bw_req_count == 0)
+		if (cp->high_bw_req_count == 0) {
+			ret = qce_enable_clk(cp->qce);
+			if (ret) {
+				pr_err("%s Unable enable clk\n", __func__);
+				mutex_unlock(&qcrypto_sent_bw_req);
+				return;
+			}
 			ret = msm_bus_scale_client_update_request(
-				cp->bus_scale_handle, 1);
-		if (ret)
-			pr_err("%s Unable to set to high bandwidth\n",
+					cp->bus_scale_handle, 1);
+			if (ret) {
+				pr_err("%s Unable to set to high bandwidth\n",
 							__func__);
+				qce_disable_clk(cp->qce);
+				mutex_unlock(&qcrypto_sent_bw_req);
+				return;
+			}
+		}
 		cp->high_bw_req_count++;
 	} else {
-		if (cp->high_bw_req_count == 1)
+		if (cp->high_bw_req_count == 1) {
 			ret = msm_bus_scale_client_update_request(
-				cp->bus_scale_handle, 0);
-		if (ret)
-			pr_err("%s Unable to set to low bandwidth\n",
+					cp->bus_scale_handle, 0);
+			if (ret) {
+				pr_err("%s Unable to set to low bandwidth\n",
 							__func__);
+				mutex_unlock(&qcrypto_sent_bw_req);
+				return;
+			}
+			ret = qce_disable_clk(cp->qce);
+			if (ret) {
+				pr_err("%s Unable disable clk\n", __func__);
+				ret = msm_bus_scale_client_update_request(
+					cp->bus_scale_handle, 1);
+				if (ret)
+					pr_err("%s Unable to set to high bandwidth\n",
+							__func__);
+				mutex_unlock(&qcrypto_sent_bw_req);
+				return;
+			}
+		}
 		cp->high_bw_req_count--;
 	}
-	mutex_unlock(&sent_bw_req);
+	mutex_unlock(&qcrypto_sent_bw_req);
 }
 
 static int _start_qcrypto_process(struct crypto_priv *cp);
@@ -3336,6 +3362,14 @@
 		cp->platform_support.hw_key_support = 0;
 		cp->platform_support.bus_scale_table =	NULL;
 		cp->platform_support.sha_hmac = 1;
+
+		if (cp->ce_support.is_shared == false) {
+			cp->platform_support.bus_scale_table =
+				(struct msm_bus_scale_pdata *)
+						msm_bus_cl_get_pdata(pdev);
+			if (!cp->platform_support.bus_scale_table)
+				pr_warn("bus_scale_table is NULL\n");
+		}
 	} else {
 		platform_support =
 			(struct msm_ce_hw_support *)pdev->dev.platform_data;
diff --git a/drivers/gpu/ion/Makefile b/drivers/gpu/ion/Makefile
index f4f9a92..d7ff73a 100644
--- a/drivers/gpu/ion/Makefile
+++ b/drivers/gpu/ion/Makefile
@@ -1,4 +1,6 @@
-obj-$(CONFIG_ION) +=	ion.o ion_heap.o ion_system_heap.o ion_carveout_heap.o ion_iommu_heap.o ion_cp_heap.o ion_removed_heap.o
+obj-$(CONFIG_ION) +=	ion.o ion_heap.o ion_system_heap.o ion_carveout_heap.o \
+			ion_iommu_heap.o ion_cp_heap.o ion_removed_heap.o \
+			ion_page_pool.o ion_chunk_heap.o
 obj-$(CONFIG_CMA) += ion_cma_heap.o ion_cma_secure_heap.o
 obj-$(CONFIG_ION_TEGRA) += tegra/
 obj-$(CONFIG_ION_MSM) += msm/
diff --git a/drivers/gpu/ion/ion.c b/drivers/gpu/ion/ion.c
index a01ef3f..fbe4da0 100644
--- a/drivers/gpu/ion/ion.c
+++ b/drivers/gpu/ion/ion.c
@@ -1,4 +1,5 @@
 /*
+
  * drivers/gpu/ion/ion.c
  *
  * Copyright (C) 2011 Google, Inc.
@@ -18,15 +19,18 @@
 #include <linux/module.h>
 #include <linux/device.h>
 #include <linux/file.h>
+#include <linux/freezer.h>
 #include <linux/fs.h>
 #include <linux/anon_inodes.h>
 #include <linux/ion.h>
+#include <linux/kthread.h>
 #include <linux/list.h>
 #include <linux/memblock.h>
 #include <linux/miscdevice.h>
 #include <linux/mm.h>
 #include <linux/mm_types.h>
 #include <linux/rbtree.h>
+#include <linux/rtmutex.h>
 #include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/seq_file.h>
@@ -43,16 +47,18 @@
 /**
  * struct ion_device - the metadata of the ion device node
  * @dev:		the actual misc device
- * @buffers:	an rb tree of all the existing buffers
- * @lock:		lock protecting the buffers & heaps trees
+ * @buffers:		an rb tree of all the existing buffers
+ * @buffer_lock:	lock protecting the tree of buffers
+ * @lock:		rwsem protecting the tree of heaps and clients
  * @heaps:		list of all the heaps in the system
  * @user_clients:	list of all the clients created from userspace
  */
 struct ion_device {
 	struct miscdevice dev;
 	struct rb_root buffers;
-	struct mutex lock;
-	struct rb_root heaps;
+	struct mutex buffer_lock;
+	struct rw_semaphore lock;
+	struct plist_head heaps;
 	long (*custom_ioctl) (struct ion_client *client, unsigned int cmd,
 			      unsigned long arg);
 	struct rb_root clients;
@@ -65,7 +71,6 @@
  * @dev:		backpointer to ion device
  * @handles:		an rb tree of all the handles in this client
  * @lock:		lock protecting the tree of handles
- * @heap_mask:		mask of all supported heaps
  * @name:		used for debugging
  * @task:		used for debugging
  *
@@ -78,7 +83,7 @@
 	struct ion_device *dev;
 	struct rb_root handles;
 	struct mutex lock;
-	unsigned int heap_mask;
+	unsigned int heap_type_mask;
 	char *name;
 	struct task_struct *task;
 	pid_t pid;
@@ -112,6 +117,11 @@
                 !(buffer->flags & ION_FLAG_CACHED_NEEDS_SYNC));
 }
 
+bool ion_buffer_cached(struct ion_buffer *buffer)
+{
+        return !!(buffer->flags & ION_FLAG_CACHED);
+}
+
 /* this function should only be called while dev->lock is held */
 static void ion_buffer_add(struct ion_device *dev,
 			   struct ion_buffer *buffer)
@@ -140,6 +150,7 @@
 
 static int ion_buffer_alloc_dirty(struct ion_buffer *buffer);
 
+static bool ion_heap_drain_freelist(struct ion_heap *heap);
 /* this function should only be called while dev->lock is held */
 static struct ion_buffer *ion_buffer_create(struct ion_heap *heap,
 				     struct ion_device *dev,
@@ -161,9 +172,16 @@
 	kref_init(&buffer->ref);
 
 	ret = heap->ops->allocate(heap, buffer, len, align, flags);
+
 	if (ret) {
-		kfree(buffer);
-		return ERR_PTR(ret);
+		if (!(heap->flags & ION_HEAP_FLAG_DEFER_FREE))
+			goto err2;
+
+		ion_heap_drain_freelist(heap);
+		ret = heap->ops->allocate(heap, buffer, len, align,
+					  flags);
+		if (ret)
+			goto err2;
 	}
 
 	buffer->dev = dev;
@@ -208,12 +226,15 @@
 		if (sg_dma_address(sg) == 0)
 			sg_dma_address(sg) = sg_phys(sg);
 	}
+	mutex_lock(&dev->buffer_lock);
 	ion_buffer_add(dev, buffer);
+	mutex_unlock(&dev->buffer_lock);
 	return buffer;
 
 err:
 	heap->ops->unmap_dma(heap, buffer);
 	heap->ops->free(buffer);
+err2:
 	kfree(buffer);
 	return ERR_PTR(ret);
 }
@@ -224,25 +245,39 @@
 		buffer->heap->ops->unsecure_buffer(buffer, 1);
 }
 
-static void ion_buffer_destroy(struct kref *kref)
+static void _ion_buffer_destroy(struct ion_buffer *buffer)
 {
-	struct ion_buffer *buffer = container_of(kref, struct ion_buffer, ref);
-	struct ion_device *dev = buffer->dev;
-
 	if (WARN_ON(buffer->kmap_cnt > 0))
 		buffer->heap->ops->unmap_kernel(buffer->heap, buffer);
 	buffer->heap->ops->unmap_dma(buffer->heap, buffer);
 
 	ion_delayed_unsecure(buffer);
 	buffer->heap->ops->free(buffer);
-	mutex_lock(&dev->lock);
-	rb_erase(&buffer->node, &dev->buffers);
-	mutex_unlock(&dev->lock);
 	if (buffer->flags & ION_FLAG_CACHED)
 		kfree(buffer->dirty);
 	kfree(buffer);
 }
 
+static void ion_buffer_destroy(struct kref *kref)
+{
+	struct ion_buffer *buffer = container_of(kref, struct ion_buffer, ref);
+	struct ion_heap *heap = buffer->heap;
+	struct ion_device *dev = buffer->dev;
+
+	mutex_lock(&dev->buffer_lock);
+	rb_erase(&buffer->node, &dev->buffers);
+	mutex_unlock(&dev->buffer_lock);
+
+	if (heap->flags & ION_HEAP_FLAG_DEFER_FREE) {
+		rt_mutex_lock(&heap->lock);
+		list_add(&buffer->list, &heap->free_list);
+		rt_mutex_unlock(&heap->lock);
+		wake_up(&heap->waitqueue);
+		return;
+	}
+	_ion_buffer_destroy(buffer);
+}
+
 static void ion_buffer_get(struct ion_buffer *buffer)
 {
 	kref_get(&buffer->ref);
@@ -253,6 +288,37 @@
 	return kref_put(&buffer->ref, ion_buffer_destroy);
 }
 
+static void ion_buffer_add_to_handle(struct ion_buffer *buffer)
+{
+	mutex_lock(&buffer->lock);
+	buffer->handle_count++;
+	mutex_unlock(&buffer->lock);
+}
+
+static void ion_buffer_remove_from_handle(struct ion_buffer *buffer)
+{
+	/*
+	 * when a buffer is removed from a handle, if it is not in
+	 * any other handles, copy the taskcomm and the pid of the
+	 * process it's being removed from into the buffer.  At this
+	 * point there will be no way to track what processes this buffer is
+	 * being used by, it only exists as a dma_buf file descriptor.
+	 * The taskcomm and pid can provide a debug hint as to where this fd
+	 * is in the system
+	 */
+	mutex_lock(&buffer->lock);
+	buffer->handle_count--;
+	BUG_ON(buffer->handle_count < 0);
+	if (!buffer->handle_count) {
+		struct task_struct *task;
+
+		task = current->group_leader;
+		get_task_comm(buffer->task_comm, task);
+		buffer->pid = task_pid_nr(task);
+	}
+	mutex_unlock(&buffer->lock);
+}
+
 static struct ion_handle *ion_handle_create(struct ion_client *client,
 				     struct ion_buffer *buffer)
 {
@@ -265,6 +331,7 @@
 	rb_init_node(&handle->node);
 	handle->client = client;
 	ion_buffer_get(buffer);
+	ion_buffer_add_to_handle(buffer);
 	handle->buffer = buffer;
 
 	return handle;
@@ -286,7 +353,9 @@
 	if (!RB_EMPTY_NODE(&handle->node))
 		rb_erase(&handle->node, &client->handles);
 
+	ion_buffer_remove_from_handle(buffer);
 	ion_buffer_put(buffer);
+
 	kfree(handle);
 }
 
@@ -359,13 +428,13 @@
 }
 
 struct ion_handle *ion_alloc(struct ion_client *client, size_t len,
-			     size_t align, unsigned int heap_mask,
+			     size_t align, unsigned int heap_id_mask,
 			     unsigned int flags)
 {
-	struct rb_node *n;
 	struct ion_handle *handle;
 	struct ion_device *dev = client->dev;
 	struct ion_buffer *buffer = NULL;
+	struct ion_heap *heap;
 	unsigned long secure_allocation = flags & ION_FLAG_SECURE;
 	const unsigned int MAX_DBG_STR_LEN = 64;
 	char dbg_str[MAX_DBG_STR_LEN];
@@ -381,8 +450,8 @@
 	 */
 	flags |= ION_FLAG_CACHED_NEEDS_SYNC;
 
-	pr_debug("%s: len %d align %d heap_mask %u flags %x\n", __func__, len,
-		 align, heap_mask, flags);
+	pr_debug("%s: len %d align %d heap_id_mask %u flags %x\n", __func__,
+		 len, align, heap_id_mask, flags);
 	/*
 	 * traverse the list of heaps available in this system in priority
 	 * order.  If the heap type is supported by the client, and matches the
@@ -394,29 +463,26 @@
 
 	len = PAGE_ALIGN(len);
 
-	mutex_lock(&dev->lock);
-	for (n = rb_first(&dev->heaps); n != NULL; n = rb_next(n)) {
-		struct ion_heap *heap = rb_entry(n, struct ion_heap, node);
-		/* if the client doesn't support this heap type */
-		if (!((1 << heap->type) & client->heap_mask))
-			continue;
-		/* if the caller didn't specify this heap type */
-		if (!((1 << heap->id) & heap_mask))
+	down_read(&dev->lock);
+	plist_for_each_entry(heap, &dev->heaps, node) {
+		/* if the caller didn't specify this heap id */
+		if (!((1 << heap->id) & heap_id_mask))
 			continue;
 		/* Do not allow un-secure heap if secure is specified */
 		if (secure_allocation &&
 		    !ion_heap_allow_secure_allocation(heap->type))
 			continue;
 		trace_ion_alloc_buffer_start(client->name, heap->name, len,
-					     heap_mask, flags);
+					     heap_id_mask, flags);
 		buffer = ion_buffer_create(heap, dev, len, align, flags);
 		trace_ion_alloc_buffer_end(client->name, heap->name, len,
-					   heap_mask, flags);
+					   heap_id_mask, flags);
 		if (!IS_ERR_OR_NULL(buffer))
 			break;
 
 		trace_ion_alloc_buffer_fallback(client->name, heap->name, len,
-					    heap_mask, flags, PTR_ERR(buffer));
+					    heap_id_mask, flags,
+					    PTR_ERR(buffer));
 		if (dbg_str_idx < MAX_DBG_STR_LEN) {
 			unsigned int len_left = MAX_DBG_STR_LEN-dbg_str_idx-1;
 			int ret_value = snprintf(&dbg_str[dbg_str_idx],
@@ -433,21 +499,21 @@
 			}
 		}
 	}
-	mutex_unlock(&dev->lock);
+	up_read(&dev->lock);
 
 	if (buffer == NULL) {
 		trace_ion_alloc_buffer_fail(client->name, dbg_str, len,
-					    heap_mask, flags, -ENODEV);
+					    heap_id_mask, flags, -ENODEV);
 		return ERR_PTR(-ENODEV);
 	}
 
 	if (IS_ERR(buffer)) {
 		trace_ion_alloc_buffer_fail(client->name, dbg_str, len,
-					    heap_mask, flags, PTR_ERR(buffer));
+					    heap_id_mask, flags,
+					    PTR_ERR(buffer));
 		pr_debug("ION is unable to allocate 0x%x bytes (alignment: "
-			 "0x%x) from heap(s) %sfor client %s with heap "
-			 "mask 0x%x\n",
-			len, align, dbg_str, client->name, client->heap_mask);
+			 "0x%x) from heap(s) %sfor client %s\n",
+			len, align, dbg_str, client->name);
 		return ERR_PTR(PTR_ERR(buffer));
 	}
 
@@ -620,6 +686,7 @@
 	for (n = rb_first(&client->handles); n; n = rb_next(n)) {
 		struct ion_handle *handle = rb_entry(n, struct ion_handle,
 						     node);
+
 		enum ion_heap_type type = handle->buffer->heap->type;
 
 		seq_printf(s, "%16.16s: %16x : %16d : %12p",
@@ -638,7 +705,6 @@
 		seq_printf(s, "\n");
 	}
 	mutex_unlock(&client->lock);
-
 	return 0;
 }
 
@@ -655,7 +721,6 @@
 };
 
 struct ion_client *ion_client_create(struct ion_device *dev,
-				     unsigned int heap_mask,
 				     const char *name)
 {
 	struct ion_client *client;
@@ -705,11 +770,10 @@
 		strlcpy(client->name, name, name_len+1);
 	}
 
-	client->heap_mask = heap_mask;
 	client->task = task;
 	client->pid = pid;
 
-	mutex_lock(&dev->lock);
+	down_write(&dev->lock);
 	p = &dev->clients.rb_node;
 	while (*p) {
 		parent = *p;
@@ -727,96 +791,16 @@
 	client->debug_root = debugfs_create_file(name, 0664,
 						 dev->debug_root, client,
 						 &debug_client_fops);
-	mutex_unlock(&dev->lock);
+	up_write(&dev->lock);
 
 	return client;
 }
-
-/**
- * ion_mark_dangling_buffers_locked() - Mark dangling buffers
- * @dev:	the ion device whose buffers will be searched
- *
- * Sets marked=1 for all known buffers associated with `dev' that no
- * longer have a handle pointing to them. dev->lock should be held
- * across a call to this function (and should only be unlocked after
- * checking for marked buffers).
- */
-static void ion_mark_dangling_buffers_locked(struct ion_device *dev)
-{
-	struct rb_node *n, *n2;
-	/* mark all buffers as 1 */
-	for (n = rb_first(&dev->buffers); n; n = rb_next(n)) {
-		struct ion_buffer *buf = rb_entry(n, struct ion_buffer,
-						node);
-
-		buf->marked = 1;
-	}
-
-	/* now see which buffers we can access */
-	for (n = rb_first(&dev->clients); n; n = rb_next(n)) {
-		struct ion_client *client = rb_entry(n, struct ion_client,
-						node);
-
-		mutex_lock(&client->lock);
-		for (n2 = rb_first(&client->handles); n2; n2 = rb_next(n2)) {
-			struct ion_handle *handle
-				= rb_entry(n2, struct ion_handle, node);
-
-			handle->buffer->marked = 0;
-
-		}
-		mutex_unlock(&client->lock);
-
-	}
-}
-
-#ifdef CONFIG_ION_LEAK_CHECK
-static u32 ion_debug_check_leaks_on_destroy;
-
-static int ion_check_for_and_print_leaks(struct ion_device *dev)
-{
-	struct rb_node *n;
-	int num_leaks = 0;
-
-	if (!ion_debug_check_leaks_on_destroy)
-		return 0;
-
-	/* check for leaked buffers (those that no longer have a
-	 * handle pointing to them) */
-	ion_mark_dangling_buffers_locked(dev);
-
-	/* Anyone still marked as a 1 means a leaked handle somewhere */
-	for (n = rb_first(&dev->buffers); n; n = rb_next(n)) {
-		struct ion_buffer *buf = rb_entry(n, struct ion_buffer,
-						node);
-
-		if (buf->marked == 1) {
-			pr_info("Leaked ion buffer at %p\n", buf);
-			num_leaks++;
-		}
-	}
-	return num_leaks;
-}
-static void setup_ion_leak_check(struct dentry *debug_root)
-{
-	debugfs_create_bool("check_leaks_on_destroy", 0664, debug_root,
-			&ion_debug_check_leaks_on_destroy);
-}
-#else
-static int ion_check_for_and_print_leaks(struct ion_device *dev)
-{
-	return 0;
-}
-static void setup_ion_leak_check(struct dentry *debug_root)
-{
-}
-#endif
+EXPORT_SYMBOL(ion_client_create);
 
 void ion_client_destroy(struct ion_client *client)
 {
 	struct ion_device *dev = client->dev;
 	struct rb_node *n;
-	int num_leaks;
 
 	pr_debug("%s: %d\n", __func__, __LINE__);
 	while ((n = rb_first(&client->handles))) {
@@ -824,25 +808,13 @@
 						     node);
 		ion_handle_destroy(&handle->ref);
 	}
-	mutex_lock(&dev->lock);
+	down_write(&dev->lock);
 	if (client->task)
 		put_task_struct(client->task);
 	rb_erase(&client->node, &dev->clients);
 	debugfs_remove_recursive(client->debug_root);
 
-	num_leaks = ion_check_for_and_print_leaks(dev);
-
-	mutex_unlock(&dev->lock);
-
-	if (num_leaks) {
-		struct task_struct *current_task = current;
-		char current_task_name[TASK_COMM_LEN];
-		get_task_comm(current_task_name, current_task);
-		WARN(1, "%s: Detected %d leaked ion buffer%s.\n",
-			__func__, num_leaks, num_leaks == 1 ? "" : "s");
-		pr_info("task name at time of leak: %s, pid: %d\n",
-			current_task_name, current_task->pid);
-	}
+	up_write(&dev->lock);
 
 	kfree(client->name);
 	kfree(client);
@@ -1115,7 +1087,7 @@
 static void *ion_dma_buf_kmap(struct dma_buf *dmabuf, unsigned long offset)
 {
 	struct ion_buffer *buffer = dmabuf->priv;
-	return buffer->vaddr + offset;
+	return buffer->vaddr + offset * PAGE_SIZE;
 }
 
 static void ion_dma_buf_kunmap(struct dma_buf *dmabuf, unsigned long offset,
@@ -1171,19 +1143,19 @@
 	.kunmap = ion_dma_buf_kunmap,
 };
 
-int ion_share_dma_buf(struct ion_client *client, struct ion_handle *handle)
+struct dma_buf *ion_share_dma_buf(struct ion_client *client,
+						struct ion_handle *handle)
 {
 	struct ion_buffer *buffer;
 	struct dma_buf *dmabuf;
 	bool valid_handle;
-	int fd;
 
 	mutex_lock(&client->lock);
 	valid_handle = ion_handle_validate(client, handle);
 	mutex_unlock(&client->lock);
 	if (!valid_handle) {
 		WARN(1, "%s: invalid handle passed to share.\n", __func__);
-		return -EINVAL;
+		return ERR_PTR(-EINVAL);
 	}
 
 	buffer = handle->buffer;
@@ -1191,15 +1163,29 @@
 	dmabuf = dma_buf_export(buffer, &dma_buf_ops, buffer->size, O_RDWR);
 	if (IS_ERR(dmabuf)) {
 		ion_buffer_put(buffer);
-		return PTR_ERR(dmabuf);
+		return dmabuf;
 	}
+
+	return dmabuf;
+}
+EXPORT_SYMBOL(ion_share_dma_buf);
+
+int ion_share_dma_buf_fd(struct ion_client *client, struct ion_handle *handle)
+{
+	struct dma_buf *dmabuf;
+	int fd;
+
+	dmabuf = ion_share_dma_buf(client, handle);
+	if (IS_ERR(dmabuf))
+		return PTR_ERR(dmabuf);
+
 	fd = dma_buf_fd(dmabuf, O_CLOEXEC);
 	if (fd < 0)
 		dma_buf_put(dmabuf);
 
 	return fd;
 }
-EXPORT_SYMBOL(ion_share_dma_buf);
+EXPORT_SYMBOL(ion_share_dma_buf_fd);
 
 struct ion_handle *ion_import_dma_buf(struct ion_client *client, int fd)
 {
@@ -1308,7 +1294,8 @@
 		if (copy_from_user(&data, (void __user *)arg, sizeof(data)))
 			return -EFAULT;
 
-		data.fd = ion_share_dma_buf(client, data.handle);
+		data.fd = ion_share_dma_buf_fd(client, data.handle);
+
 		if (copy_to_user((void __user *)arg, &data, sizeof(data)))
 			return -EFAULT;
 		if (data.fd < 0)
@@ -1388,7 +1375,7 @@
 
 	pr_debug("%s: %d\n", __func__, __LINE__);
 	snprintf(debug_name, 64, "%u", task_pid_nr(current->group_leader));
-	client = ion_client_create(dev, -1, debug_name);
+	client = ion_client_create(dev, debug_name);
 	if (IS_ERR_OR_NULL(client))
 		return PTR_ERR(client);
 	file->private_data = client;
@@ -1570,9 +1557,12 @@
 	struct ion_heap *heap = s->private;
 	struct ion_device *dev = heap->dev;
 	struct rb_node *n;
+	size_t total_size = 0;
+	size_t total_orphaned_size = 0;
 
-	mutex_lock(&dev->lock);
+	mutex_lock(&dev->buffer_lock);
 	seq_printf(s, "%16.s %16.s %16.s\n", "client", "pid", "size");
+	seq_printf(s, "----------------------------------------------------\n");
 
 	for (n = rb_first(&dev->clients); n; n = rb_next(n)) {
 		struct ion_client *client = rb_entry(n, struct ion_client,
@@ -1591,8 +1581,28 @@
 				   client->pid, size);
 		}
 	}
+	seq_printf(s, "----------------------------------------------------\n");
+	seq_printf(s, "orphaned allocations (info is from last known client):"
+		   "\n");
+	for (n = rb_first(&dev->buffers); n; n = rb_next(n)) {
+		struct ion_buffer *buffer = rb_entry(n, struct ion_buffer,
+						     node);
+		if (buffer->heap->type == heap->type)
+			total_size += buffer->size;
+		if (!buffer->handle_count) {
+			seq_printf(s, "%16.s %16u %16u\n", buffer->task_comm,
+				   buffer->pid, buffer->size);
+			total_orphaned_size += buffer->size;
+		}
+	}
+	seq_printf(s, "----------------------------------------------------\n");
+	seq_printf(s, "%16.s %16u\n", "total orphaned",
+		   total_orphaned_size);
+	seq_printf(s, "%16.s %16u\n", "total ", total_size);
+	seq_printf(s, "----------------------------------------------------\n");
+
 	ion_heap_print_debug(s, heap);
-	mutex_unlock(&dev->lock);
+	mutex_unlock(&dev->buffer_lock);
 	return 0;
 }
 
@@ -1608,40 +1618,90 @@
 	.release = single_release,
 };
 
+static size_t ion_heap_free_list_is_empty(struct ion_heap *heap)
+{
+	bool is_empty;
+
+	rt_mutex_lock(&heap->lock);
+	is_empty = list_empty(&heap->free_list);
+	rt_mutex_unlock(&heap->lock);
+
+	return is_empty;
+}
+
+static int ion_heap_deferred_free(void *data)
+{
+	struct ion_heap *heap = data;
+
+	while (true) {
+		struct ion_buffer *buffer;
+
+		wait_event_freezable(heap->waitqueue,
+				     !ion_heap_free_list_is_empty(heap));
+
+		rt_mutex_lock(&heap->lock);
+		if (list_empty(&heap->free_list)) {
+			rt_mutex_unlock(&heap->lock);
+			continue;
+		}
+		buffer = list_first_entry(&heap->free_list, struct ion_buffer,
+					  list);
+		list_del(&buffer->list);
+		rt_mutex_unlock(&heap->lock);
+		_ion_buffer_destroy(buffer);
+	}
+
+	return 0;
+}
+
+static bool ion_heap_drain_freelist(struct ion_heap *heap)
+{
+	struct ion_buffer *buffer, *tmp;
+
+	if (ion_heap_free_list_is_empty(heap))
+		return false;
+	rt_mutex_lock(&heap->lock);
+	list_for_each_entry_safe(buffer, tmp, &heap->free_list, list) {
+		list_del(&buffer->list);
+		_ion_buffer_destroy(buffer);
+	}
+	BUG_ON(!list_empty(&heap->free_list));
+	rt_mutex_unlock(&heap->lock);
+
+
+	return true;
+}
+
 void ion_device_add_heap(struct ion_device *dev, struct ion_heap *heap)
 {
-	struct rb_node **p = &dev->heaps.rb_node;
-	struct rb_node *parent = NULL;
-	struct ion_heap *entry;
+	struct sched_param param = { .sched_priority = 0 };
 
 	if (!heap->ops->allocate || !heap->ops->free || !heap->ops->map_dma ||
 	    !heap->ops->unmap_dma)
 		pr_err("%s: can not add heap with invalid ops struct.\n",
 		       __func__);
 
-	heap->dev = dev;
-	mutex_lock(&dev->lock);
-	while (*p) {
-		parent = *p;
-		entry = rb_entry(parent, struct ion_heap, node);
-
-		if (heap->id < entry->id) {
-			p = &(*p)->rb_left;
-		} else if (heap->id > entry->id ) {
-			p = &(*p)->rb_right;
-		} else {
-			pr_err("%s: can not insert multiple heaps with "
-				"id %d\n", __func__, heap->id);
-			goto end;
-		}
+	if (heap->flags & ION_HEAP_FLAG_DEFER_FREE) {
+		INIT_LIST_HEAD(&heap->free_list);
+		rt_mutex_init(&heap->lock);
+		init_waitqueue_head(&heap->waitqueue);
+		heap->task = kthread_run(ion_heap_deferred_free, heap,
+					 "%s", heap->name);
+		sched_setscheduler(heap->task, SCHED_IDLE, &param);
+		if (IS_ERR(heap->task))
+			pr_err("%s: creating thread for deferred free failed\n",
+			       __func__);
 	}
 
-	rb_link_node(&heap->node, parent, p);
-	rb_insert_color(&heap->node, &dev->heaps);
+	heap->dev = dev;
+	down_write(&dev->lock);
+	/* use negative heap->id to reverse the priority -- when traversing
+	   the list later attempt higher id numbers first */
+	plist_node_init(&heap->node, -heap->id);
+	plist_add(&heap->node, &dev->heaps);
 	debugfs_create_file(heap->name, 0664, dev->debug_root, heap,
 			    &debug_heap_fops);
-end:
-	mutex_unlock(&dev->lock);
+	up_write(&dev->lock);
 }
 
 int ion_secure_handle(struct ion_client *client, struct ion_handle *handle,
@@ -1714,16 +1774,15 @@
 int ion_secure_heap(struct ion_device *dev, int heap_id, int version,
 			void *data)
 {
-	struct rb_node *n;
 	int ret_val = 0;
+	struct ion_heap *heap;
 
 	/*
 	 * traverse the list of heaps available in this system
 	 * and find the heap that is specified.
 	 */
-	mutex_lock(&dev->lock);
-	for (n = rb_first(&dev->heaps); n != NULL; n = rb_next(n)) {
-		struct ion_heap *heap = rb_entry(n, struct ion_heap, node);
+	down_write(&dev->lock);
+	plist_for_each_entry(heap, &dev->heaps, node) {
 		if (!ion_heap_allow_heap_secure(heap->type))
 			continue;
 		if (ION_HEAP(heap->id) != heap_id)
@@ -1734,7 +1793,7 @@
 			ret_val = -EINVAL;
 		break;
 	}
-	mutex_unlock(&dev->lock);
+	up_write(&dev->lock);
 	return ret_val;
 }
 EXPORT_SYMBOL(ion_secure_heap);
@@ -1742,16 +1801,15 @@
 int ion_unsecure_heap(struct ion_device *dev, int heap_id, int version,
 			void *data)
 {
-	struct rb_node *n;
 	int ret_val = 0;
+	struct ion_heap *heap;
 
 	/*
 	 * traverse the list of heaps available in this system
 	 * and find the heap that is specified.
 	 */
-	mutex_lock(&dev->lock);
-	for (n = rb_first(&dev->heaps); n != NULL; n = rb_next(n)) {
-		struct ion_heap *heap = rb_entry(n, struct ion_heap, node);
+	down_write(&dev->lock);
+	plist_for_each_entry(heap, &dev->heaps, node) {
 		if (!ion_heap_allow_heap_secure(heap->type))
 			continue;
 		if (ION_HEAP(heap->id) != heap_id)
@@ -1762,50 +1820,11 @@
 			ret_val = -EINVAL;
 		break;
 	}
-	mutex_unlock(&dev->lock);
+	up_write(&dev->lock);
 	return ret_val;
 }
 EXPORT_SYMBOL(ion_unsecure_heap);
 
-static int ion_debug_leak_show(struct seq_file *s, void *unused)
-{
-	struct ion_device *dev = s->private;
-	struct rb_node *n;
-
-	seq_printf(s, "%16.s %16.s %16.s %16.s\n", "buffer", "heap", "size",
-		"ref cnt");
-
-	mutex_lock(&dev->lock);
-	ion_mark_dangling_buffers_locked(dev);
-
-	/* Anyone still marked as a 1 means a leaked handle somewhere */
-	for (n = rb_first(&dev->buffers); n; n = rb_next(n)) {
-		struct ion_buffer *buf = rb_entry(n, struct ion_buffer,
-						     node);
-
-		if (buf->marked == 1)
-			seq_printf(s, "%16.x %16.s %16.x %16.d\n",
-				(int)buf, buf->heap->name, buf->size,
-				atomic_read(&buf->ref.refcount));
-	}
-	mutex_unlock(&dev->lock);
-	return 0;
-}
-
-static int ion_debug_leak_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, ion_debug_leak_show, inode->i_private);
-}
-
-static const struct file_operations debug_leak_fops = {
-	.open = ion_debug_leak_open,
-	.read = seq_read,
-	.llseek = seq_lseek,
-	.release = single_release,
-};
-
-
-
 struct ion_device *ion_device_create(long (*custom_ioctl)
 				     (struct ion_client *client,
 				      unsigned int cmd,
@@ -1834,13 +1853,10 @@
 
 	idev->custom_ioctl = custom_ioctl;
 	idev->buffers = RB_ROOT;
-	mutex_init(&idev->lock);
-	idev->heaps = RB_ROOT;
+	mutex_init(&idev->buffer_lock);
+	init_rwsem(&idev->lock);
+	plist_head_init(&idev->heaps);
 	idev->clients = RB_ROOT;
-	debugfs_create_file("check_leaked_fds", 0664, idev->debug_root, idev,
-			    &debug_leak_fops);
-
-	setup_ion_leak_check(idev->debug_root);
 	return idev;
 }
 
@@ -1853,16 +1869,35 @@
 
 void __init ion_reserve(struct ion_platform_data *data)
 {
-	int i, ret;
+	int i;
 
 	for (i = 0; i < data->nr; i++) {
 		if (data->heaps[i].size == 0)
 			continue;
-		ret = memblock_reserve(data->heaps[i].base,
-				       data->heaps[i].size);
-		if (ret)
-			pr_err("memblock reserve of %x@%pa failed\n",
-			       data->heaps[i].size,
-			       &data->heaps[i].base);
+
+		if (data->heaps[i].base == 0) {
+			phys_addr_t paddr;
+			paddr = memblock_alloc_base(data->heaps[i].size,
+						    data->heaps[i].align,
+						    MEMBLOCK_ALLOC_ANYWHERE);
+			if (!paddr) {
+				pr_err("%s: error allocating memblock for "
+				       "heap %d\n",
+					__func__, i);
+				continue;
+			}
+			data->heaps[i].base = paddr;
+		} else {
+			int ret = memblock_reserve(data->heaps[i].base,
+					       data->heaps[i].size);
+			if (ret)
+				pr_err("memblock reserve of %x@%pa failed\n",
+				       data->heaps[i].size,
+				       &data->heaps[i].base);
+		}
+		pr_info("%s: %s reserved base %pa size %d\n", __func__,
+			data->heaps[i].name,
+			&data->heaps[i].base,
+			data->heaps[i].size);
 	}
 }
diff --git a/drivers/gpu/ion/ion_chunk_heap.c b/drivers/gpu/ion/ion_chunk_heap.c
new file mode 100644
index 0000000..b76f898
--- /dev/null
+++ b/drivers/gpu/ion/ion_chunk_heap.c
@@ -0,0 +1,180 @@
+/*
+ * drivers/gpu/ion/ion_chunk_heap.c
+ *
+ * Copyright (C) 2012 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ *
+ */
+//#include <linux/spinlock.h>
+#include <linux/dma-mapping.h>
+#include <linux/err.h>
+#include <linux/genalloc.h>
+#include <linux/io.h>
+#include <linux/ion.h>
+#include <linux/mm.h>
+#include <linux/scatterlist.h>
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
+#include "ion_priv.h"
+
+#include <asm/mach/map.h>
+
+struct ion_chunk_heap {
+	struct ion_heap heap;
+	struct gen_pool *pool;
+	ion_phys_addr_t base;
+	unsigned long chunk_size;
+	unsigned long size;
+	unsigned long allocated;
+};
+
+static int ion_chunk_heap_allocate(struct ion_heap *heap,
+				      struct ion_buffer *buffer,
+				      unsigned long size, unsigned long align,
+				      unsigned long flags)
+{
+	struct ion_chunk_heap *chunk_heap =
+		container_of(heap, struct ion_chunk_heap, heap);
+	struct sg_table *table;
+	struct scatterlist *sg;
+	int ret, i;
+	unsigned long num_chunks;
+
+	if (ion_buffer_fault_user_mappings(buffer))
+		return -ENOMEM;
+
+	num_chunks = ALIGN(size, chunk_heap->chunk_size) /
+		chunk_heap->chunk_size;
+	buffer->size = num_chunks * chunk_heap->chunk_size;
+
+	if (buffer->size > chunk_heap->size - chunk_heap->allocated)
+		return -ENOMEM;
+
+	table = kzalloc(sizeof(struct sg_table), GFP_KERNEL);
+	if (!table)
+		return -ENOMEM;
+	ret = sg_alloc_table(table, num_chunks, GFP_KERNEL);
+	if (ret) {
+		kfree(table);
+		return ret;
+	}
+
+	sg = table->sgl;
+	for (i = 0; i < num_chunks; i++) {
+		unsigned long paddr = gen_pool_alloc(chunk_heap->pool,
+						     chunk_heap->chunk_size);
+		if (!paddr)
+			goto err;
+		sg_set_page(sg, phys_to_page(paddr), chunk_heap->chunk_size, 0);
+		sg = sg_next(sg);
+	}
+
+	buffer->priv_virt = table;
+	chunk_heap->allocated += buffer->size;
+	return 0;
+err:
+	sg = table->sgl;
+	for (i -= 1; i >= 0; i--) {
+		gen_pool_free(chunk_heap->pool, page_to_phys(sg_page(sg)),
+			      sg_dma_len(sg));
+		sg = sg_next(sg);
+	}
+	sg_free_table(table);
+	kfree(table);
+	return -ENOMEM;
+}
+
+static void ion_chunk_heap_free(struct ion_buffer *buffer)
+{
+	struct ion_heap *heap = buffer->heap;
+	struct ion_chunk_heap *chunk_heap =
+		container_of(heap, struct ion_chunk_heap, heap);
+	struct sg_table *table = buffer->priv_virt;
+	struct scatterlist *sg;
+	int i;
+
+	ion_heap_buffer_zero(buffer);
+
+	for_each_sg(table->sgl, sg, table->nents, i) {
+		if (ion_buffer_cached(buffer))
+			dma_sync_sg_for_device(NULL, sg, 1, DMA_BIDIRECTIONAL);
+		gen_pool_free(chunk_heap->pool, page_to_phys(sg_page(sg)),
+			      sg_dma_len(sg));
+	}
+	chunk_heap->allocated -= buffer->size;
+	sg_free_table(table);
+	kfree(table);
+}
+
+struct sg_table *ion_chunk_heap_map_dma(struct ion_heap *heap,
+					 struct ion_buffer *buffer)
+{
+	return buffer->priv_virt;
+}
+
+void ion_chunk_heap_unmap_dma(struct ion_heap *heap,
+			       struct ion_buffer *buffer)
+{
+	return;
+}
+
+static struct ion_heap_ops chunk_heap_ops = {
+	.allocate = ion_chunk_heap_allocate,
+	.free = ion_chunk_heap_free,
+	.map_dma = ion_chunk_heap_map_dma,
+	.unmap_dma = ion_chunk_heap_unmap_dma,
+	.map_user = ion_heap_map_user,
+	.map_kernel = ion_heap_map_kernel,
+	.unmap_kernel = ion_heap_unmap_kernel,
+};
+
+struct ion_heap *ion_chunk_heap_create(struct ion_platform_heap *heap_data)
+{
+	struct ion_chunk_heap *chunk_heap;
+	struct scatterlist sg;
+
+	chunk_heap = kzalloc(sizeof(struct ion_chunk_heap), GFP_KERNEL);
+	if (!chunk_heap)
+		return ERR_PTR(-ENOMEM);
+
+	chunk_heap->chunk_size = (unsigned long)heap_data->priv;
+	chunk_heap->pool = gen_pool_create(get_order(chunk_heap->chunk_size) +
+					   PAGE_SHIFT, -1);
+	if (!chunk_heap->pool) {
+		kfree(chunk_heap);
+		return ERR_PTR(-ENOMEM);
+	}
+	chunk_heap->base = heap_data->base;
+	chunk_heap->size = heap_data->size;
+	chunk_heap->allocated = 0;
+
+	sg_init_table(&sg, 1);
+	sg_set_page(&sg, phys_to_page(heap_data->base), heap_data->size, 0);
+	dma_sync_sg_for_device(NULL, &sg, 1, DMA_BIDIRECTIONAL);
+	gen_pool_add(chunk_heap->pool, chunk_heap->base, heap_data->size, -1);
+	chunk_heap->heap.ops = &chunk_heap_ops;
+	chunk_heap->heap.type = ION_HEAP_TYPE_CHUNK;
+	chunk_heap->heap.flags = ION_HEAP_FLAG_DEFER_FREE;
+	pr_info("%s: base %pa size %zd align %pa\n", __func__,
+		&chunk_heap->base, heap_data->size, &heap_data->align);
+
+	return &chunk_heap->heap;
+}
+
+void ion_chunk_heap_destroy(struct ion_heap *heap)
+{
+	struct ion_chunk_heap *chunk_heap =
+	     container_of(heap, struct  ion_chunk_heap, heap);
+
+	gen_pool_destroy(chunk_heap->pool);
+	kfree(chunk_heap);
+	chunk_heap = NULL;
+}
diff --git a/drivers/gpu/ion/ion_cma_heap.c b/drivers/gpu/ion/ion_cma_heap.c
index f64ad4d..193f4d4 100644
--- a/drivers/gpu/ion/ion_cma_heap.c
+++ b/drivers/gpu/ion/ion_cma_heap.c
@@ -47,7 +47,7 @@
 int ion_cma_get_sgtable(struct device *dev, struct sg_table *sgt,
 			void *cpu_addr, dma_addr_t handle, size_t size)
 {
-	struct page *page = virt_to_page(cpu_addr);
+	struct page *page = phys_to_page(handle);
 	int ret;
 
 	ret = sg_alloc_table(sgt, 1, GFP_KERNEL);
diff --git a/drivers/gpu/ion/ion_cma_secure_heap.c b/drivers/gpu/ion/ion_cma_secure_heap.c
index d622a51..e1b3eea 100644
--- a/drivers/gpu/ion/ion_cma_secure_heap.c
+++ b/drivers/gpu/ion/ion_cma_secure_heap.c
@@ -52,7 +52,7 @@
 int ion_secure_cma_get_sgtable(struct device *dev, struct sg_table *sgt,
 			void *cpu_addr, dma_addr_t handle, size_t size)
 {
-	struct page *page = virt_to_page(cpu_addr);
+	struct page *page = phys_to_page(handle);
 	int ret;
 
 	ret = sg_alloc_table(sgt, 1, GFP_KERNEL);
diff --git a/drivers/gpu/ion/ion_heap.c b/drivers/gpu/ion/ion_heap.c
index 510b9ce..3d37541 100644
--- a/drivers/gpu/ion/ion_heap.c
+++ b/drivers/gpu/ion/ion_heap.c
@@ -17,8 +17,120 @@
 
 #include <linux/err.h>
 #include <linux/ion.h>
+#include <linux/mm.h>
+#include <linux/scatterlist.h>
+#include <linux/vmalloc.h>
 #include "ion_priv.h"
 
+void *ion_heap_map_kernel(struct ion_heap *heap,
+			  struct ion_buffer *buffer)
+{
+	struct scatterlist *sg;
+	int i, j;
+	void *vaddr;
+	pgprot_t pgprot;
+	struct sg_table *table = buffer->sg_table;
+	int npages = PAGE_ALIGN(buffer->size) / PAGE_SIZE;
+	struct page **pages = vmalloc(sizeof(struct page *) * npages);
+	struct page **tmp = pages;
+
+	if (!pages)
+		return 0;
+
+	if (buffer->flags & ION_FLAG_CACHED)
+		pgprot = PAGE_KERNEL;
+	else
+		pgprot = pgprot_writecombine(PAGE_KERNEL);
+
+	for_each_sg(table->sgl, sg, table->nents, i) {
+		int npages_this_entry = PAGE_ALIGN(sg_dma_len(sg)) / PAGE_SIZE;
+		struct page *page = sg_page(sg);
+		BUG_ON(i >= npages);
+		for (j = 0; j < npages_this_entry; j++) {
+			*(tmp++) = page++;
+		}
+	}
+	vaddr = vmap(pages, npages, VM_MAP, pgprot);
+	vfree(pages);
+
+	return vaddr;
+}
+
+void ion_heap_unmap_kernel(struct ion_heap *heap,
+			   struct ion_buffer *buffer)
+{
+	vunmap(buffer->vaddr);
+}
+
+int ion_heap_map_user(struct ion_heap *heap, struct ion_buffer *buffer,
+		      struct vm_area_struct *vma)
+{
+	struct sg_table *table = buffer->sg_table;
+	unsigned long addr = vma->vm_start;
+	unsigned long offset = vma->vm_pgoff * PAGE_SIZE;
+	struct scatterlist *sg;
+	int i;
+
+	for_each_sg(table->sgl, sg, table->nents, i) {
+		struct page *page = sg_page(sg);
+		unsigned long remainder = vma->vm_end - addr;
+		unsigned long len = sg_dma_len(sg);
+
+		if (offset >= sg_dma_len(sg)) {
+			offset -= sg_dma_len(sg);
+			continue;
+		} else if (offset) {
+			page += offset / PAGE_SIZE;
+			len = sg_dma_len(sg) - offset;
+			offset = 0;
+		}
+		len = min(len, remainder);
+		remap_pfn_range(vma, addr, page_to_pfn(page), len,
+				vma->vm_page_prot);
+		addr += len;
+		if (addr >= vma->vm_end)
+			return 0;
+	}
+	return 0;
+}
+
+int ion_heap_buffer_zero(struct ion_buffer *buffer)
+{
+	struct sg_table *table = buffer->sg_table;
+	pgprot_t pgprot;
+	struct scatterlist *sg;
+	struct vm_struct *vm_struct;
+	int i, j, ret = 0;
+
+	if (buffer->flags & ION_FLAG_CACHED)
+		pgprot = PAGE_KERNEL;
+	else
+		pgprot = pgprot_writecombine(PAGE_KERNEL);
+
+	vm_struct = get_vm_area(PAGE_SIZE, VM_ALLOC);
+	if (!vm_struct)
+		return -ENOMEM;
+
+	for_each_sg(table->sgl, sg, table->nents, i) {
+		struct page *page = sg_page(sg);
+		unsigned long len = sg_dma_len(sg);
+
+		for (j = 0; j < len / PAGE_SIZE; j++) {
+			struct page *sub_page = page + j;
+			struct page **pages = &sub_page;
+			ret = map_vm_area(vm_struct, pgprot, &pages);
+			if (ret)
+				goto end;
+			memset(vm_struct->addr, 0, PAGE_SIZE);
+			unmap_kernel_range((unsigned long)vm_struct->addr,
+					   PAGE_SIZE);
+		}
+	}
+end:
+	free_vm_area(vm_struct);
+	return ret;
+}
+
 struct ion_heap *ion_heap_create(struct ion_platform_heap *heap_data)
 {
 	struct ion_heap *heap = NULL;
@@ -33,6 +145,9 @@
 	case ION_HEAP_TYPE_CARVEOUT:
 		heap = ion_carveout_heap_create(heap_data);
 		break;
+	case ION_HEAP_TYPE_CHUNK:
+		heap = ion_chunk_heap_create(heap_data);
+		break;
 	default:
 		pr_err("%s: Invalid heap type %d\n", __func__,
 		       heap_data->type);
@@ -67,6 +182,9 @@
 	case ION_HEAP_TYPE_CARVEOUT:
 		ion_carveout_heap_destroy(heap);
 		break;
+	case ION_HEAP_TYPE_CHUNK:
+		ion_chunk_heap_destroy(heap);
+		break;
 	default:
 		pr_err("%s: Invalid heap type %d\n", __func__,
 		       heap->type);
diff --git a/drivers/gpu/ion/ion_iommu_heap.c b/drivers/gpu/ion/ion_iommu_heap.c
index ca29016..bc9bddd 100644
--- a/drivers/gpu/ion/ion_iommu_heap.c
+++ b/drivers/gpu/ion/ion_iommu_heap.c
@@ -27,6 +27,7 @@
 #include <asm/page.h>
 #include <asm/cacheflush.h>
 #include <mach/iommu_domains.h>
+#include <trace/events/kmem.h>
 
 struct ion_iommu_heap {
 	struct ion_heap heap;
@@ -83,9 +84,13 @@
 		} else {
 			gfp |= GFP_KERNEL;
 		}
+		trace_alloc_pages_iommu_start(gfp, orders[i]);
 		page = alloc_pages(gfp, orders[i]);
-		if (!page)
+		trace_alloc_pages_iommu_end(gfp, orders[i]);
+		if (!page) {
+			trace_alloc_pages_iommu_fail(gfp, orders[i]);
 			continue;
+		}
 
 		info = kmalloc(sizeof(struct page_info), GFP_KERNEL);
 		info->page = page;
@@ -111,7 +116,7 @@
 		int j;
 		void *ptr = NULL;
 		unsigned int npages_to_vmap, total_pages, num_large_pages = 0;
-		long size_remaining = PAGE_ALIGN(size);
+		unsigned long size_remaining = PAGE_ALIGN(size);
 		unsigned int max_order = ION_IS_CACHED(flags) ? 0 : orders[0];
 
 		data = kmalloc(sizeof(*data), GFP_KERNEL);
diff --git a/drivers/gpu/ion/ion_page_pool.c b/drivers/gpu/ion/ion_page_pool.c
new file mode 100644
index 0000000..e8b5489
--- /dev/null
+++ b/drivers/gpu/ion/ion_page_pool.c
@@ -0,0 +1,282 @@
+/*
+ * drivers/gpu/ion/ion_mem_pool.c
+ *
+ * Copyright (C) 2011 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ *
+ */
+
+#include <linux/debugfs.h>
+#include <linux/dma-mapping.h>
+#include <linux/err.h>
+#include <linux/fs.h>
+#include <linux/list.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/shrinker.h>
+#include "ion_priv.h"
+
+/* #define DEBUG_PAGE_POOL_SHRINKER */
+
+static struct plist_head pools = PLIST_HEAD_INIT(pools);
+static struct shrinker shrinker;
+
+struct ion_page_pool_item {
+	struct page *page;
+	struct list_head list;
+};
+
+static void *ion_page_pool_alloc_pages(struct ion_page_pool *pool)
+{
+	struct page *page = alloc_pages(pool->gfp_mask, pool->order);
+	struct scatterlist sg;
+
+	if (!page)
+		return NULL;
+
+	sg_init_table(&sg, 1);
+	sg_set_page(&sg, page, PAGE_SIZE << pool->order, 0);
+	dma_sync_sg_for_device(NULL, &sg, 1, DMA_BIDIRECTIONAL);
+
+	return page;
+}
+
+static void ion_page_pool_free_pages(struct ion_page_pool *pool,
+				     struct page *page)
+{
+	__free_pages(page, pool->order);
+}
+
+static int ion_page_pool_add(struct ion_page_pool *pool, struct page *page)
+{
+	struct ion_page_pool_item *item;
+
+	item = kmalloc(sizeof(struct ion_page_pool_item), GFP_KERNEL);
+	if (!item)
+		return -ENOMEM;
+
+	mutex_lock(&pool->mutex);
+	item->page = page;
+	if (PageHighMem(page)) {
+		list_add_tail(&item->list, &pool->high_items);
+		pool->high_count++;
+	} else {
+		list_add_tail(&item->list, &pool->low_items);
+		pool->low_count++;
+	}
+	mutex_unlock(&pool->mutex);
+	return 0;
+}
+
+static struct page *ion_page_pool_remove(struct ion_page_pool *pool, bool high)
+{
+	struct ion_page_pool_item *item;
+	struct page *page;
+
+	if (high) {
+		BUG_ON(!pool->high_count);
+		item = list_first_entry(&pool->high_items,
+					struct ion_page_pool_item, list);
+		pool->high_count--;
+	} else {
+		BUG_ON(!pool->low_count);
+		item = list_first_entry(&pool->low_items,
+					struct ion_page_pool_item, list);
+		pool->low_count--;
+	}
+
+	list_del(&item->list);
+	page = item->page;
+	kfree(item);
+	return page;
+}
+
+void *ion_page_pool_alloc(struct ion_page_pool *pool)
+{
+	struct page *page = NULL;
+
+	BUG_ON(!pool);
+
+	mutex_lock(&pool->mutex);
+	if (pool->high_count)
+		page = ion_page_pool_remove(pool, true);
+	else if (pool->low_count)
+		page = ion_page_pool_remove(pool, false);
+	mutex_unlock(&pool->mutex);
+
+	if (!page)
+		page = ion_page_pool_alloc_pages(pool);
+
+	return page;
+}
+
+void ion_page_pool_free(struct ion_page_pool *pool, struct page* page)
+{
+	int ret;
+
+	ret = ion_page_pool_add(pool, page);
+	if (ret)
+		ion_page_pool_free_pages(pool, page);
+}
+
+#ifdef DEBUG_PAGE_POOL_SHRINKER
+static int debug_drop_pools_set(void *data, u64 val)
+{
+	struct shrink_control sc;
+	int objs;
+
+	sc.gfp_mask = -1;
+	sc.nr_to_scan = 0;
+
+	if (!val)
+		return 0;
+
+	objs = shrinker.shrink(&shrinker, &sc);
+	sc.nr_to_scan = objs;
+
+	shrinker.shrink(&shrinker, &sc);
+	return 0;
+}
+
+static int debug_drop_pools_get(void *data, u64 *val)
+{
+	struct shrink_control sc;
+	int objs;
+
+	sc.gfp_mask = -1;
+	sc.nr_to_scan = 0;
+
+	objs = shrinker.shrink(&shrinker, &sc);
+	*val = objs;
+	return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(debug_drop_pools_fops, debug_drop_pools_get,
+                        debug_drop_pools_set, "%llu\n");
+
+static int debug_grow_pools_set(void *data, u64 val)
+{
+	struct ion_page_pool *pool;
+	struct page *page;
+
+	plist_for_each_entry(pool, &pools, list) {
+		if (val != pool->list.prio)
+			continue;
+		page = ion_page_pool_alloc_pages(pool);
+		if (page)
+			ion_page_pool_add(pool, page);
+	}
+
+	return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(debug_grow_pools_fops, debug_drop_pools_get,
+			debug_grow_pools_set, "%llu\n");
+#endif
+
+static int ion_page_pool_total(bool high)
+{
+	struct ion_page_pool *pool;
+	int total = 0;
+
+	plist_for_each_entry(pool, &pools, list) {
+		total += high ? (pool->high_count + pool->low_count) *
+			(1 << pool->order) :
+			pool->low_count * (1 << pool->order);
+	}
+	return total;
+}
+
+static int ion_page_pool_shrink(struct shrinker *shrinker,
+				 struct shrink_control *sc)
+{
+	struct ion_page_pool *pool;
+	int nr_freed = 0;
+	int i;
+	bool high;
+	int nr_to_scan = sc->nr_to_scan;
+
+	if (sc->gfp_mask & __GFP_HIGHMEM)
+		high = true;
+
+	if (nr_to_scan == 0)
+		return ion_page_pool_total(high);
+
+	plist_for_each_entry(pool, &pools, list) {
+		for (i = 0; i < nr_to_scan; i++) {
+			struct page *page;
+
+			mutex_lock(&pool->mutex);
+			if (high && pool->high_count) {
+				page = ion_page_pool_remove(pool, true);
+			} else if (pool->low_count) {
+				page = ion_page_pool_remove(pool, false);
+			} else {
+				mutex_unlock(&pool->mutex);
+				break;
+			}
+			mutex_unlock(&pool->mutex);
+			ion_page_pool_free_pages(pool, page);
+			nr_freed += (1 << pool->order);
+		}
+		nr_to_scan -= i;
+	}
+
+	return ion_page_pool_total(high);
+}
+
+struct ion_page_pool *ion_page_pool_create(gfp_t gfp_mask, unsigned int order)
+{
+	struct ion_page_pool *pool = kmalloc(sizeof(struct ion_page_pool),
+					     GFP_KERNEL);
+	if (!pool)
+		return NULL;
+	pool->high_count = 0;
+	pool->low_count = 0;
+	INIT_LIST_HEAD(&pool->low_items);
+	INIT_LIST_HEAD(&pool->high_items);
+	pool->gfp_mask = gfp_mask;
+	pool->order = order;
+	mutex_init(&pool->mutex);
+	plist_node_init(&pool->list, order);
+	plist_add(&pool->list, &pools);
+
+	return pool;
+}
+
+void ion_page_pool_destroy(struct ion_page_pool *pool)
+{
+	plist_del(&pool->list, &pools);
+	kfree(pool);
+}
+
+static int __init ion_page_pool_init(void)
+{
+	shrinker.shrink = ion_page_pool_shrink;
+	shrinker.seeks = DEFAULT_SEEKS;
+	shrinker.batch = 0;
+	register_shrinker(&shrinker);
+#ifdef DEBUG_PAGE_POOL_SHRINKER
+	debugfs_create_file("ion_pools_shrink", 0644, NULL, NULL,
+			    &debug_drop_pools_fops);
+	debugfs_create_file("ion_pools_grow", 0644, NULL, NULL,
+			    &debug_grow_pools_fops);
+#endif
+	return 0;
+}
+
+static void __exit ion_page_pool_exit(void)
+{
+	unregister_shrinker(&shrinker);
+}
+
+module_init(ion_page_pool_init);
+module_exit(ion_page_pool_exit);
diff --git a/drivers/gpu/ion/ion_priv.h b/drivers/gpu/ion/ion_priv.h
index 71527ae..4b724df 100644
--- a/drivers/gpu/ion/ion_priv.h
+++ b/drivers/gpu/ion/ion_priv.h
@@ -18,14 +18,17 @@
 #ifndef _ION_PRIV_H
 #define _ION_PRIV_H
 
+#include <linux/ion.h>
 #include <linux/kref.h>
 #include <linux/mm_types.h>
 #include <linux/mutex.h>
 #include <linux/rbtree.h>
-#include <linux/ion.h>
 #include <linux/seq_file.h>
 
 #include "msm_ion_priv.h"
+#include <linux/sched.h>
+#include <linux/shrinker.h>
+#include <linux/types.h>
 
 struct ion_buffer *ion_handle_buffer(struct ion_handle *handle);
 
@@ -46,10 +49,22 @@
  * @vaddr:		the kenrel mapping if kmap_cnt is not zero
  * @dmap_cnt:		number of times the buffer is mapped for dma
  * @sg_table:		the sg table for the buffer if dmap_cnt is not zero
+ * @dirty:		bitmask representing which pages of this buffer have
+ *			been dirtied by the cpu and need cache maintenance
+ *			before dma
+ * @vmas:		list of vma's mapping this buffer
+ * @handle_count:	count of handles referencing this buffer
+ * @task_comm:		taskcomm of last client to reference this buffer in a
+ *			handle, used for debugging
+ * @pid:		pid of last client to reference this buffer in a
+ *			handle, used for debugging
 */
 struct ion_buffer {
 	struct kref ref;
-	struct rb_node node;
+	union {
+		struct rb_node node;
+		struct list_head list;
+	};
 	struct ion_device *dev;
 	struct ion_heap *heap;
 	unsigned long flags;
@@ -65,7 +80,10 @@
 	struct sg_table *sg_table;
 	unsigned long *dirty;
 	struct list_head vmas;
-	int marked;
+	/* used to track orphaned buffers */
+	int handle_count;
+	char task_comm[TASK_COMM_LEN];
+	pid_t pid;
 };
 
 /**
@@ -106,16 +124,28 @@
 };
 
 /**
+ * heap flags - flags between the heaps and core ion code
+ */
+#define ION_HEAP_FLAG_DEFER_FREE (1 << 0)
+
+/**
  * struct ion_heap - represents a heap in the system
  * @node:		rb node to put the heap on the device's tree of heaps
  * @dev:		back pointer to the ion_device
  * @type:		type of heap
  * @ops:		ops struct as above
+ * @flags:		flags
  * @id:			id of heap, also indicates priority of this heap when
  *			allocating.  These are specified by platform data and
  *			MUST be unique
  * @name:		used for debugging
  * @priv:		private heap data
+ * @free_list:		free list head if deferred free is used
+ * @lock:		protects the free list
+ * @waitqueue:		queue to wait on from deferred free thread
+ * @task:		task struct of deferred free thread
+ * @debug_show:		called when heap debug file is read to add any
+ *			heap specific debug info to output
  *
  * Represents a pool of memory from which buffers can be made.  In some
  * systems the only heap is regular system memory allocated via vmalloc.
@@ -123,16 +153,30 @@
  * that are allocated from a specially reserved heap.
  */
 struct ion_heap {
-	struct rb_node node;
+	struct plist_node node;
 	struct ion_device *dev;
 	enum ion_heap_type type;
 	struct ion_heap_ops *ops;
-	int id;
+	unsigned long flags;
+	unsigned int id;
 	const char *name;
 	void *priv;
+	struct list_head free_list;
+	struct rt_mutex lock;
+	wait_queue_head_t waitqueue;
+	struct task_struct *task;
+	int (*debug_show)(struct ion_heap *heap, struct seq_file *, void *);
 };
 
 /**
+ * ion_buffer_cached - this ion buffer is cached
+ * @buffer:		buffer
+ *
+ * indicates whether this ion buffer is cached
+ */
+bool ion_buffer_cached(struct ion_buffer *buffer);
+
+/**
  * ion_buffer_fault_user_mappings - fault in user mappings of this buffer
  * @buffer:		buffer
  *
@@ -166,6 +210,17 @@
 void ion_device_add_heap(struct ion_device *dev, struct ion_heap *heap);
 
 /**
+ * some helpers for common operations on buffers using the sg_table
+ * and vaddr fields
+ */
+void *ion_heap_map_kernel(struct ion_heap *, struct ion_buffer *);
+void ion_heap_unmap_kernel(struct ion_heap *, struct ion_buffer *);
+int ion_heap_map_user(struct ion_heap *, struct ion_buffer *,
+			struct vm_area_struct *);
+int ion_heap_buffer_zero(struct ion_buffer *buffer);
+
+
+/**
  * functions for creating and destroying the built in ion heaps.
  * architectures can add their own custom architecture specific
  * heaps as appropriate.
@@ -173,7 +228,6 @@
 
 struct ion_heap *ion_heap_create(struct ion_platform_heap *);
 void ion_heap_destroy(struct ion_heap *);
-
 struct ion_heap *ion_system_heap_create(struct ion_platform_heap *);
 void ion_system_heap_destroy(struct ion_heap *);
 
@@ -183,6 +237,8 @@
 struct ion_heap *ion_carveout_heap_create(struct ion_platform_heap *);
 void ion_carveout_heap_destroy(struct ion_heap *);
 
+struct ion_heap *ion_chunk_heap_create(struct ion_platform_heap *);
+void ion_chunk_heap_destroy(struct ion_heap *);
 /**
  * kernel api to allocate/free from carveout -- used when carveout is
  * used to back an architecture specific custom heap
@@ -198,4 +254,52 @@
  */
 #define ION_CARVEOUT_ALLOCATE_FAIL -1
 
+
+/**
+ * functions for creating and destroying a heap pool -- allows you
+ * to keep a pool of pre allocated memory to use from your heap.  Keeping
+ * a pool of memory that is ready for dma, ie any cached mapping have been
+ * invalidated from the cache, provides a significant peformance benefit on
+ * many systems */
+
+/**
+ * struct ion_page_pool - pagepool struct
+ * @high_count:		number of highmem items in the pool
+ * @low_count:		number of lowmem items in the pool
+ * @high_items:		list of highmem items
+ * @low_items:		list of lowmem items
+ * @shrinker:		a shrinker for the items
+ * @mutex:		lock protecting this struct and especially the count
+ *			item list
+ * @alloc:		function to be used to allocate pageory when the pool
+ *			is empty
+ * @free:		function to be used to free pageory back to the system
+ *			when the shrinker fires
+ * @gfp_mask:		gfp_mask to use from alloc
+ * @order:		order of pages in the pool
+ * @list:		plist node for list of pools
+ *
+ * Allows you to keep a pool of pre allocated pages to use from your heap.
+ * Keeping a pool of pages that is ready for dma, ie any cached mapping have
+ * been invalidated from the cache, provides a significant peformance benefit
+ * on many systems
+ */
+struct ion_page_pool {
+	int high_count;
+	int low_count;
+	struct list_head high_items;
+	struct list_head low_items;
+	struct mutex mutex;
+	void *(*alloc)(struct ion_page_pool *pool);
+	void (*free)(struct ion_page_pool *pool, struct page *page);
+	gfp_t gfp_mask;
+	unsigned int order;
+	struct plist_node list;
+};
+
+struct ion_page_pool *ion_page_pool_create(gfp_t gfp_mask, unsigned int order);
+void ion_page_pool_destroy(struct ion_page_pool *);
+void *ion_page_pool_alloc(struct ion_page_pool *);
+void ion_page_pool_free(struct ion_page_pool *, struct page *);
+
 #endif /* _ION_PRIV_H */
diff --git a/drivers/gpu/ion/ion_system_heap.c b/drivers/gpu/ion/ion_system_heap.c
index f3f627d..4e9f55c 100644
--- a/drivers/gpu/ion/ion_system_heap.c
+++ b/drivers/gpu/ion/ion_system_heap.c
@@ -22,6 +22,7 @@
 #include <linux/ion.h>
 #include <linux/mm.h>
 #include <linux/scatterlist.h>
+#include <linux/seq_file.h>
 #include <linux/slab.h>
 #include <linux/vmalloc.h>
 #include <linux/seq_file.h>
@@ -30,34 +31,120 @@
 #include <asm/cacheflush.h>
 #include <linux/msm_ion.h>
 #include <linux/dma-mapping.h>
+#include <trace/events/kmem.h>
 
 static atomic_t system_heap_allocated;
 static atomic_t system_contig_heap_allocated;
 
+static unsigned int high_order_gfp_flags = (GFP_HIGHUSER | __GFP_ZERO |
+					    __GFP_NOWARN | __GFP_NORETRY |
+					    __GFP_NO_KSWAPD) & ~__GFP_WAIT;
+static unsigned int low_order_gfp_flags  = (GFP_HIGHUSER | __GFP_ZERO |
+					 __GFP_NOWARN);
+static const unsigned int orders[] = {8, 4, 0};
+static const int num_orders = ARRAY_SIZE(orders);
+static int order_to_index(unsigned int order)
+{
+	int i;
+	for (i = 0; i < num_orders; i++)
+		if (order == orders[i])
+			return i;
+	BUG();
+	return -1;
+}
+
+static unsigned int order_to_size(int order)
+{
+	return PAGE_SIZE << order;
+}
+
+struct ion_system_heap {
+	struct ion_heap heap;
+	struct ion_page_pool **pools;
+};
+
 struct page_info {
 	struct page *page;
-	unsigned long order;
+	unsigned int order;
 	struct list_head list;
 };
 
-static struct page_info *alloc_largest_available(unsigned long size,
-						 bool split_pages)
+static struct page *alloc_buffer_page(struct ion_system_heap *heap,
+				      struct ion_buffer *buffer,
+				      unsigned long order)
 {
-	static unsigned int orders[] = {8, 4, 0};
+	bool cached = ion_buffer_cached(buffer);
+	bool split_pages = ion_buffer_fault_user_mappings(buffer);
+	struct ion_page_pool *pool = heap->pools[order_to_index(order)];
+	struct page *page;
+
+	if (!cached) {
+		page = ion_page_pool_alloc(pool);
+	} else {
+		struct scatterlist sg;
+		gfp_t gfp_flags = low_order_gfp_flags;
+
+		if (order > 4)
+			gfp_flags = high_order_gfp_flags;
+		trace_alloc_pages_sys_start(gfp_flags, order);
+		page = alloc_pages(gfp_flags, order);
+		trace_alloc_pages_sys_end(gfp_flags, order);
+		if (!page) {
+			trace_alloc_pages_sys_fail(gfp_flags, order);
+			return 0;
+		}
+		sg_init_table(&sg, 1);
+		sg_set_page(&sg, page, PAGE_SIZE << order, 0);
+		dma_sync_sg_for_device(NULL, &sg, 1, DMA_BIDIRECTIONAL);
+	}
+	if (!page)
+		return 0;
+
+	if (split_pages)
+		split_page(page, order);
+	return page;
+}
+
+static void free_buffer_page(struct ion_system_heap *heap,
+			     struct ion_buffer *buffer, struct page *page,
+			     unsigned int order)
+{
+	bool cached = ion_buffer_cached(buffer);
+	bool split_pages = ion_buffer_fault_user_mappings(buffer);
+	int i;
+
+	if (!cached) {
+		struct ion_page_pool *pool = heap->pools[order_to_index(order)];
+		ion_page_pool_free(pool, page);
+	} else if (split_pages) {
+		for (i = 0; i < (1 << order); i++)
+			__free_page(page + i);
+	} else {
+		__free_pages(page, order);
+	}
+}
+
+
+static struct page_info *alloc_largest_available(struct ion_system_heap *heap,
+						 struct ion_buffer *buffer,
+						 unsigned long size,
+						 unsigned int max_order)
+{
 	struct page *page;
 	struct page_info *info;
 	int i;
 
-	for (i = 0; i < ARRAY_SIZE(orders); i++) {
-		if (size < (1 << orders[i]) * PAGE_SIZE)
+	for (i = 0; i < num_orders; i++) {
+		if (size < order_to_size(orders[i]))
 			continue;
-		page = alloc_pages(GFP_HIGHUSER | __GFP_ZERO |
-				   __GFP_NOWARN | __GFP_NORETRY, orders[i]);
+		if (max_order < orders[i])
+			continue;
+
+		page = alloc_buffer_page(heap, buffer, orders[i]);
 		if (!page)
 			continue;
-		if (split_pages)
-			split_page(page, orders[i]);
-		info = kmalloc(sizeof(struct page_info *), GFP_KERNEL);
+
+		info = kmalloc(sizeof(struct page_info), GFP_KERNEL);
 		info->page = page;
 		info->order = orders[i];
 		return info;
@@ -70,23 +157,27 @@
 				     unsigned long size, unsigned long align,
 				     unsigned long flags)
 {
+	struct ion_system_heap *sys_heap = container_of(heap,
+							struct ion_system_heap,
+							heap);
 	struct sg_table *table;
 	struct scatterlist *sg;
 	int ret;
 	struct list_head pages;
 	struct page_info *info, *tmp_info;
 	int i = 0;
-	long size_remaining = PAGE_ALIGN(size);
+	unsigned long size_remaining = PAGE_ALIGN(size);
+	unsigned int max_order = orders[0];
 	bool split_pages = ion_buffer_fault_user_mappings(buffer);
 
-
 	INIT_LIST_HEAD(&pages);
 	while (size_remaining > 0) {
-		info = alloc_largest_available(size_remaining, split_pages);
+		info = alloc_largest_available(sys_heap, buffer, size_remaining, max_order);
 		if (!info)
 			goto err;
 		list_add_tail(&info->list, &pages);
 		size_remaining -= (1 << info->order) * PAGE_SIZE;
+		max_order = info->order;
 		i++;
 	}
 
@@ -106,7 +197,6 @@
 	sg = table->sgl;
 	list_for_each_entry_safe(info, tmp_info, &pages, list) {
 		struct page *page = info->page;
-
 		if (split_pages) {
 			for (i = 0; i < (1 << info->order); i++) {
 				sg_set_page(sg, page + i, PAGE_SIZE, 0);
@@ -121,9 +211,6 @@
 		kfree(info);
 	}
 
-	dma_sync_sg_for_device(NULL, table->sgl, table->nents,
-			       DMA_BIDIRECTIONAL);
-
 	buffer->priv_virt = table;
 	atomic_add(size, &system_heap_allocated);
 	return 0;
@@ -131,12 +218,7 @@
 	kfree(table);
 err:
 	list_for_each_entry(info, &pages, list) {
-		if (split_pages)
-			for (i = 0; i < (1 << info->order); i++)
-				__free_page(info->page + i);
-		else
-			__free_pages(info->page, info->order);
-
+		free_buffer_page(sys_heap, buffer, info->page, info->order);
 		kfree(info);
 	}
 	return -ENOMEM;
@@ -144,15 +226,26 @@
 
 void ion_system_heap_free(struct ion_buffer *buffer)
 {
-	int i;
+	struct ion_heap *heap = buffer->heap;
+	struct ion_system_heap *sys_heap = container_of(heap,
+							struct ion_system_heap,
+							heap);
+	struct sg_table *table = buffer->sg_table;
+	bool cached = ion_buffer_cached(buffer);
 	struct scatterlist *sg;
-	struct sg_table *table = buffer->priv_virt;
+	LIST_HEAD(pages);
+	int i;
+
+	/* uncached pages come from the page pools, zero them before returning
+	   for security purposes (other allocations are zerod at alloc time */
+	if (!cached)
+		ion_heap_buffer_zero(buffer);
 
 	for_each_sg(table->sgl, sg, table->nents, i)
-		__free_pages(sg_page(sg), get_order(sg_dma_len(sg)));
-	if (buffer->sg_table)
-		sg_free_table(buffer->sg_table);
-	kfree(buffer->sg_table);
+		free_buffer_page(sys_heap, buffer, sg_page(sg),
+				get_order(sg_dma_len(sg)));
+	sg_free_table(table);
+	kfree(table);
 	atomic_sub(buffer->size, &system_heap_allocated);
 }
 
@@ -168,70 +261,6 @@
 	return;
 }
 
-void *ion_system_heap_map_kernel(struct ion_heap *heap,
-				 struct ion_buffer *buffer)
-{
-	struct scatterlist *sg;
-	int i, j;
-	void *vaddr;
-	pgprot_t pgprot;
-	struct sg_table *table = buffer->priv_virt;
-	int npages = PAGE_ALIGN(buffer->size) / PAGE_SIZE;
-	struct page **pages = kzalloc(sizeof(struct page *) * npages,
-				     GFP_KERNEL);
-	struct page **tmp = pages;
-
-	if (buffer->flags & ION_FLAG_CACHED)
-		pgprot = PAGE_KERNEL;
-	else
-		pgprot = pgprot_writecombine(PAGE_KERNEL);
-
-	for_each_sg(table->sgl, sg, table->nents, i) {
-		int npages_this_entry = PAGE_ALIGN(sg_dma_len(sg)) / PAGE_SIZE;
-		struct page *page = sg_page(sg);
-		BUG_ON(i >= npages);
-		for (j = 0; j < npages_this_entry; j++) {
-			*(tmp++) = page++;
-		}
-	}
-	vaddr = vmap(pages, npages, VM_MAP, pgprot);
-	kfree(pages);
-
-	return vaddr;
-}
-
-void ion_system_heap_unmap_kernel(struct ion_heap *heap,
-				  struct ion_buffer *buffer)
-{
-	vunmap(buffer->vaddr);
-}
-
-int ion_system_heap_map_user(struct ion_heap *heap, struct ion_buffer *buffer,
-			     struct vm_area_struct *vma)
-{
-	struct sg_table *table = buffer->priv_virt;
-	unsigned long addr = vma->vm_start;
-	unsigned long offset = vma->vm_pgoff;
-	struct scatterlist *sg;
-	int i;
-
-	if (!ION_IS_CACHED(buffer->flags)) {
-		pr_err("%s: cannot map system heap uncached\n", __func__);
-		return -EINVAL;
-	}
-
-	for_each_sg(table->sgl, sg, table->nents, i) {
-		if (offset) {
-			offset--;
-			continue;
-		}
-		remap_pfn_range(vma, addr, page_to_pfn(sg_page(sg)),
-				sg_dma_len(sg), vma->vm_page_prot);
-		addr += sg_dma_len(sg);
-	}
-	return 0;
-}
-
 static int ion_system_print_debug(struct ion_heap *heap, struct seq_file *s,
 				  const struct rb_root *unused)
 {
@@ -241,32 +270,65 @@
 	return 0;
 }
 
-static struct ion_heap_ops vmalloc_ops = {
+static struct ion_heap_ops system_heap_ops = {
 	.allocate = ion_system_heap_allocate,
 	.free = ion_system_heap_free,
 	.map_dma = ion_system_heap_map_dma,
 	.unmap_dma = ion_system_heap_unmap_dma,
-	.map_kernel = ion_system_heap_map_kernel,
-	.unmap_kernel = ion_system_heap_unmap_kernel,
-	.map_user = ion_system_heap_map_user,
+	.map_kernel = ion_heap_map_kernel,
+	.unmap_kernel = ion_heap_unmap_kernel,
+	.map_user = ion_heap_map_user,
 	.print_debug = ion_system_print_debug,
 };
 
 struct ion_heap *ion_system_heap_create(struct ion_platform_heap *pheap)
 {
-	struct ion_heap *heap;
+	struct ion_system_heap *heap;
+	int i;
 
-	heap = kzalloc(sizeof(struct ion_heap), GFP_KERNEL);
+	heap = kzalloc(sizeof(struct ion_system_heap), GFP_KERNEL);
 	if (!heap)
 		return ERR_PTR(-ENOMEM);
-	heap->ops = &vmalloc_ops;
-	heap->type = ION_HEAP_TYPE_SYSTEM;
-	return heap;
+	heap->heap.ops = &system_heap_ops;
+	heap->heap.type = ION_HEAP_TYPE_SYSTEM;
+	heap->heap.flags = ION_HEAP_FLAG_DEFER_FREE;
+	heap->pools = kzalloc(sizeof(struct ion_page_pool *) * num_orders,
+			      GFP_KERNEL);
+	if (!heap->pools)
+		goto err_alloc_pools;
+	for (i = 0; i < num_orders; i++) {
+		struct ion_page_pool *pool;
+		gfp_t gfp_flags = low_order_gfp_flags;
+
+		if (orders[i] > 4)
+			gfp_flags = high_order_gfp_flags;
+		pool = ion_page_pool_create(gfp_flags, orders[i]);
+		if (!pool)
+			goto err_create_pool;
+		heap->pools[i] = pool;
+	}
+	return &heap->heap;
+err_create_pool:
+	for (i = 0; i < num_orders; i++)
+		if (heap->pools[i])
+			ion_page_pool_destroy(heap->pools[i]);
+	kfree(heap->pools);
+err_alloc_pools:
+	kfree(heap);
+	return ERR_PTR(-ENOMEM);
 }
 
 void ion_system_heap_destroy(struct ion_heap *heap)
 {
-	kfree(heap);
+	struct ion_system_heap *sys_heap = container_of(heap,
+							struct ion_system_heap,
+							heap);
+	int i;
+
+	for (i = 0; i < num_orders; i++)
+		ion_page_pool_destroy(sys_heap->pools[i]);
+	kfree(sys_heap->pools);
+	kfree(sys_heap);
 }
 
 static int ion_system_contig_heap_allocate(struct ion_heap *heap,
@@ -367,8 +429,8 @@
 	.phys = ion_system_contig_heap_phys,
 	.map_dma = ion_system_contig_heap_map_dma,
 	.unmap_dma = ion_system_contig_heap_unmap_dma,
-	.map_kernel = ion_system_contig_heap_map_kernel,
-	.unmap_kernel = ion_system_contig_heap_unmap_kernel,
+	.map_kernel = ion_heap_map_kernel,
+	.unmap_kernel = ion_heap_unmap_kernel,
 	.map_user = ion_system_contig_heap_map_user,
 	.print_debug = ion_system_contig_print_debug,
 };
diff --git a/drivers/gpu/ion/msm/ion_iommu_map.c b/drivers/gpu/ion/msm/ion_iommu_map.c
index ae4ae37..5ce03db 100644
--- a/drivers/gpu/ion/msm/ion_iommu_map.c
+++ b/drivers/gpu/ion/msm/ion_iommu_map.c
@@ -206,8 +206,8 @@
 	 * biggest entry. To take advantage of bigger mapping sizes both the
 	 * VA and PA addresses have to be aligned to the biggest size.
 	 */
-	if (table->sgl->length > align)
-		align = table->sgl->length;
+	if (sg_dma_len(table->sgl) > align)
+		align = sg_dma_len(table->sgl);
 
 	ret = msm_allocate_iova_address(domain_num, partition_num,
 						data->mapped_size, align,
diff --git a/drivers/gpu/ion/msm/msm_ion.c b/drivers/gpu/ion/msm/msm_ion.c
index 9259de2..f43d276 100644
--- a/drivers/gpu/ion/msm/msm_ion.c
+++ b/drivers/gpu/ion/msm/msm_ion.c
@@ -128,7 +128,7 @@
 struct ion_client *msm_ion_client_create(unsigned int heap_mask,
 					const char *name)
 {
-	return ion_client_create(idev, heap_mask, name);
+	return ion_client_create(idev, name);
 }
 EXPORT_SYMBOL(msm_ion_client_create);
 
diff --git a/drivers/gpu/msm/a3xx_reg.h b/drivers/gpu/msm/a3xx_reg.h
index c768bb7..5f435f3 100644
--- a/drivers/gpu/msm/a3xx_reg.h
+++ b/drivers/gpu/msm/a3xx_reg.h
@@ -179,6 +179,7 @@
 #define A3XX_CP_MEQ_ADDR 0x1DA
 #define A3XX_CP_MEQ_DATA 0x1DB
 #define A3XX_CP_PERFCOUNTER_SELECT 0x445
+#define A3XX_CP_WFI_PEND_CTR 0x01F5
 #define A3XX_CP_HW_FAULT  0x45C
 #define A3XX_CP_AHB_FAULT 0x54D
 #define A3XX_CP_PROTECT_CTRL 0x45E
diff --git a/drivers/gpu/msm/adreno.c b/drivers/gpu/msm/adreno.c
index 5589ff0..60bab32 100644
--- a/drivers/gpu/msm/adreno.c
+++ b/drivers/gpu/msm/adreno.c
@@ -30,7 +30,6 @@
 #include "kgsl_cffdump.h"
 #include "kgsl_sharedmem.h"
 #include "kgsl_iommu.h"
-#include "kgsl_trace.h"
 
 #include "adreno.h"
 #include "adreno_pm4types.h"
@@ -532,6 +531,7 @@
 
 	result = adreno_dev->gpudev->irq_handler(adreno_dev);
 
+	device->pwrctrl.irq_last = 1;
 	if (device->requested_state == KGSL_STATE_NONE) {
 		if (device->pwrctrl.nap_allowed == true) {
 			kgsl_pwrctrl_request_state(device, KGSL_STATE_NAP);
@@ -607,41 +607,15 @@
 	return result;
 }
 
-static void adreno_iommu_setstate(struct kgsl_device *device,
-					unsigned int context_id,
-					uint32_t flags)
+static unsigned int _adreno_iommu_setstate_v0(struct kgsl_device *device,
+					unsigned int *cmds_orig,
+					unsigned int pt_val,
+					int num_iommu_units, uint32_t flags)
 {
-	unsigned int pt_val, reg_pt_val;
-	unsigned int link[230];
-	unsigned int *cmds = &link[0];
-	int sizedwords = 0;
+	unsigned int reg_pt_val;
+	unsigned int *cmds = cmds_orig;
 	struct adreno_device *adreno_dev = ADRENO_DEVICE(device);
-	int num_iommu_units, i;
-	struct kgsl_context *context;
-	struct adreno_context *adreno_ctx = NULL;
-
-	/*
-	 * If we're idle and we don't need to use the GPU to save context
-	 * state, use the CPU instead of the GPU to reprogram the
-	 * iommu for simplicity's sake.
-	 */
-	 if (!adreno_dev->drawctxt_active || device->ftbl->isidle(device))
-		return kgsl_mmu_device_setstate(&device->mmu, flags);
-
-	num_iommu_units = kgsl_mmu_get_num_iommu_units(&device->mmu);
-
-	context = idr_find(&device->context_idr, context_id);
-	if (context == NULL)
-		return;
-	adreno_ctx = context->devctxt;
-
-	if (kgsl_mmu_enable_clk(&device->mmu,
-				KGSL_IOMMU_CONTEXT_USER))
-		return;
-
-	cmds += __adreno_add_idle_indirect_cmds(cmds,
-		device->mmu.setstate_memory.gpuaddr +
-		KGSL_IOMMU_SETSTATE_NOP_OFFSET);
+	int i;
 
 	if (cpu_is_msm8960())
 		cmds += adreno_add_change_mh_phys_limit_cmds(cmds, 0xFFFFF000,
@@ -658,8 +632,6 @@
 	/* Acquire GPU-CPU sync Lock here */
 	cmds += kgsl_mmu_sync_lock(&device->mmu, cmds);
 
-	pt_val = kgsl_mmu_get_pt_base_addr(&device->mmu,
-					device->mmu.hwpagetable);
 	if (flags & KGSL_MMUFLAGS_PTUPDATE) {
 		/*
 		 * We need to perfrom the following operations for all
@@ -736,25 +708,169 @@
 
 	cmds += adreno_add_idle_cmds(adreno_dev, cmds);
 
-	sizedwords += (cmds - &link[0]);
-	if (sizedwords) {
-		/* invalidate all base pointers */
-		*cmds++ = cp_type3_packet(CP_INVALIDATE_STATE, 1);
-		*cmds++ = 0x7fff;
-		sizedwords += 2;
-		/* This returns the per context timestamp but we need to
-		 * use the global timestamp for iommu clock disablement */
-		adreno_ringbuffer_issuecmds(device, adreno_ctx,
-			KGSL_CMD_FLAGS_PMODE,
-			&link[0], sizedwords);
-		kgsl_mmu_disable_clk_on_ts(&device->mmu,
-		adreno_dev->ringbuffer.timestamp[KGSL_MEMSTORE_GLOBAL], true);
+	return cmds - cmds_orig;
+}
+
+static unsigned int _adreno_iommu_setstate_v1(struct kgsl_device *device,
+					unsigned int *cmds_orig,
+					unsigned int pt_val,
+					int num_iommu_units, uint32_t flags)
+{
+	unsigned int reg_pt_val;
+	unsigned int *cmds = cmds_orig;
+	int i;
+	unsigned int ttbr0, tlbiall, tlbstatus, tlbsync, mmu_ctrl;
+
+	for (i = 0; i < num_iommu_units; i++) {
+		reg_pt_val = (pt_val + kgsl_mmu_get_pt_lsb(&device->mmu,
+				i, KGSL_IOMMU_CONTEXT_USER));
+		if (flags & KGSL_MMUFLAGS_PTUPDATE) {
+			mmu_ctrl = kgsl_mmu_get_reg_ahbaddr(
+				&device->mmu, i,
+				KGSL_IOMMU_CONTEXT_USER,
+				KGSL_IOMMU_IMPLDEF_MICRO_MMU_CTRL) >> 2;
+
+			ttbr0 = kgsl_mmu_get_reg_ahbaddr(&device->mmu, i,
+						KGSL_IOMMU_CONTEXT_USER,
+						KGSL_IOMMU_CTX_TTBR0) >> 2;
+
+			if (kgsl_mmu_hw_halt_supported(&device->mmu, i)) {
+				*cmds++ = cp_type3_packet(CP_WAIT_FOR_IDLE, 1);
+				*cmds++ = 0;
+				/*
+				 * glue commands together until next
+				 * WAIT_FOR_ME
+				 */
+				cmds += adreno_wait_reg_eq(cmds,
+				A3XX_CP_WFI_PEND_CTR, 1, 0xFFFFFFFF, 0xF);
+
+				/* set the iommu lock bit */
+				*cmds++ = cp_type3_packet(CP_REG_RMW, 3);
+				*cmds++ = mmu_ctrl;
+				/* AND to unmask the lock bit */
+				*cmds++ =
+				 ~(KGSL_IOMMU_IMPLDEF_MICRO_MMU_CTRL_HALT);
+				/* OR to set the IOMMU lock bit */
+				*cmds++ =
+				   KGSL_IOMMU_IMPLDEF_MICRO_MMU_CTRL_HALT;
+				/* wait for smmu to lock */
+				cmds += adreno_wait_reg_eq(cmds, mmu_ctrl,
+				KGSL_IOMMU_IMPLDEF_MICRO_MMU_CTRL_IDLE,
+				KGSL_IOMMU_IMPLDEF_MICRO_MMU_CTRL_IDLE, 0xF);
+			}
+			/* set ttbr0 */
+			*cmds++ = cp_type0_packet(ttbr0, 1);
+			*cmds++ = reg_pt_val;
+			if (kgsl_mmu_hw_halt_supported(&device->mmu, i)) {
+				/* unlock the IOMMU lock */
+				*cmds++ = cp_type3_packet(CP_REG_RMW, 3);
+				*cmds++ = mmu_ctrl;
+				/* AND to unmask the lock bit */
+				*cmds++ =
+				   ~(KGSL_IOMMU_IMPLDEF_MICRO_MMU_CTRL_HALT);
+				/* OR with 0 so lock bit is unset */
+				*cmds++ = 0;
+				/* release all commands with wait_for_me */
+				*cmds++ = cp_type3_packet(CP_WAIT_FOR_ME, 1);
+				*cmds++ = 0;
+			}
+		}
+		if (flags & KGSL_MMUFLAGS_TLBFLUSH) {
+			tlbiall = kgsl_mmu_get_reg_ahbaddr(&device->mmu, i,
+						KGSL_IOMMU_CONTEXT_USER,
+						KGSL_IOMMU_CTX_TLBIALL) >> 2;
+			*cmds++ = cp_type0_packet(tlbiall, 1);
+			*cmds++ = 1;
+
+			tlbsync = kgsl_mmu_get_reg_ahbaddr(&device->mmu, i,
+						KGSL_IOMMU_CONTEXT_USER,
+						KGSL_IOMMU_CTX_TLBSYNC) >> 2;
+			*cmds++ = cp_type0_packet(tlbsync, 1);
+			*cmds++ = 0;
+
+			tlbstatus = kgsl_mmu_get_reg_ahbaddr(&device->mmu, i,
+					KGSL_IOMMU_CONTEXT_USER,
+					KGSL_IOMMU_CTX_TLBSTATUS) >> 2;
+			cmds += adreno_wait_reg_eq(cmds, tlbstatus, 0,
+					KGSL_IOMMU_CTX_TLBSTATUS_SACTIVE, 0xF);
+		}
 	}
+	return cmds - cmds_orig;
+}
+
+static void adreno_iommu_setstate(struct kgsl_device *device,
+					unsigned int context_id,
+					uint32_t flags)
+{
+	unsigned int pt_val;
+	unsigned int link[230];
+	unsigned int *cmds = &link[0];
+	int sizedwords = 0;
+	struct adreno_device *adreno_dev = ADRENO_DEVICE(device);
+	int num_iommu_units;
+	struct kgsl_context *context;
+	struct adreno_context *adreno_ctx = NULL;
+
+	if (!adreno_dev->drawctxt_active) {
+		kgsl_mmu_device_setstate(&device->mmu, flags);
+		return;
+	}
+	num_iommu_units = kgsl_mmu_get_num_iommu_units(&device->mmu);
+
+	context = idr_find(&device->context_idr, context_id);
+	if (context == NULL)
+		return;
+
+	kgsl_context_get(context);
+
+	adreno_ctx = context->devctxt;
+
+	if (kgsl_mmu_enable_clk(&device->mmu,
+				KGSL_IOMMU_CONTEXT_USER))
+		return;
+
+	pt_val = kgsl_mmu_get_pt_base_addr(&device->mmu,
+				device->mmu.hwpagetable);
+
+	cmds += __adreno_add_idle_indirect_cmds(cmds,
+		device->mmu.setstate_memory.gpuaddr +
+		KGSL_IOMMU_SETSTATE_NOP_OFFSET);
+
+	if (msm_soc_version_supports_iommu_v0())
+		cmds += _adreno_iommu_setstate_v0(device, cmds, pt_val,
+						num_iommu_units, flags);
+	else
+		cmds += _adreno_iommu_setstate_v1(device, cmds, pt_val,
+						num_iommu_units, flags);
+
+	sizedwords += (cmds - &link[0]);
+	if (sizedwords == 0) {
+		KGSL_DRV_ERR(device, "no commands generated\n");
+		BUG();
+	}
+	/* invalidate all base pointers */
+	*cmds++ = cp_type3_packet(CP_INVALIDATE_STATE, 1);
+	*cmds++ = 0x7fff;
+	sizedwords += 2;
 
 	if (sizedwords > (ARRAY_SIZE(link))) {
 		KGSL_DRV_ERR(device, "Temp command buffer overflow\n");
 		BUG();
 	}
+	/*
+	 * This returns the per context timestamp but we need to
+	 * use the global timestamp for iommu clock disablement
+	 */
+	adreno_ringbuffer_issuecmds(device, adreno_ctx, KGSL_CMD_FLAGS_PMODE,
+			&link[0], sizedwords);
+	/* timestamp based clock gating is currently unstable on iommuv1 */
+	if (msm_soc_version_supports_iommu_v0()) {
+		struct adreno_ringbuffer *rb = &adreno_dev->ringbuffer;
+		kgsl_mmu_disable_clk_on_ts(&device->mmu,
+			rb->timestamp[KGSL_MEMSTORE_GLOBAL], true);
+	}
+
+	kgsl_context_put(context);
 }
 
 static void adreno_gpummu_setstate(struct kgsl_device *device,
@@ -1284,6 +1400,8 @@
 
 	data->physstart = reg_val[0];
 	data->physend = data->physstart + reg_val[1] - 1;
+	data->iommu_halt_enable = of_property_read_bool(node,
+					"qcom,iommu-enable-halt");
 
 	data->iommu_ctx_count = 0;
 
@@ -2187,6 +2305,7 @@
 		context->wait_on_invalid_ts = false;
 
 		if (!(adreno_context->flags & CTXT_FLAGS_PER_CONTEXT_TS)) {
+			ft_data->status = 1;
 			KGSL_FT_ERR(device, "Fault tolerance not supported\n");
 			goto play_good_cmds;
 		}
@@ -2221,6 +2340,7 @@
 
 	/* If long IB detected do not attempt replay of bad cmds */
 	if (long_ib) {
+		ft_data->status = 1;
 		_adreno_debug_ft_info(device, ft_data);
 		goto play_good_cmds;
 	}
@@ -2782,7 +2902,7 @@
 	if (device->state == KGSL_STATE_ACTIVE) {
 		/* Is the ring buffer is empty? */
 		GSL_RB_GET_READPTR(rb, &rb->rptr);
-		if (!device->active_cnt && (rb->rptr == rb->wptr)) {
+		if (rb->rptr == rb->wptr) {
 			/*
 			 * Are there interrupts pending? If so then pretend we
 			 * are not idle - this avoids the possiblity that we go
@@ -2952,7 +3072,7 @@
 	if (!in_interrupt())
 		kgsl_pre_hwaccess(device);
 
-	trace_kgsl_regwrite(device, offsetwords, value);
+	kgsl_trace_regwrite(device, offsetwords, value);
 
 	kgsl_cffdump_regwrite(device->id, offsetwords << 2, value);
 	reg = (unsigned int *)(device->reg_virt + (offsetwords << 2));
@@ -3040,7 +3160,7 @@
 
 		if (context && device->state != KGSL_STATE_SLUMBER) {
 			adreno_ringbuffer_issuecmds(device, context->devctxt,
-					KGSL_CMD_FLAGS_NONE, NULL, 0);
+					KGSL_CMD_FLAGS_GET_INT, NULL, 0);
 		}
 	}
 
@@ -3596,15 +3716,20 @@
 {
 	struct adreno_device *adreno_dev = ADRENO_DEVICE(device);
 	struct kgsl_pwrctrl *pwr = &device->pwrctrl;
-	unsigned int cycles;
+	unsigned int cycles = 0;
 
-	/* Get the busy cycles counted since the counter was last reset */
-	/* Calling this function also resets and restarts the counter */
+	/*
+	 * Get the busy cycles counted since the counter was last reset.
+	 * If we're not currently active, there shouldn't have been
+	 * any cycles since the last time this function was called.
+	 */
+	if (device->state == KGSL_STATE_ACTIVE)
+		cycles = adreno_dev->gpudev->busy_cycles(adreno_dev);
 
-	cycles = adreno_dev->gpudev->busy_cycles(adreno_dev);
-
-	/* In order to calculate idle you have to have run the algorithm *
-	 * at least once to get a start time. */
+	/*
+	 * In order to calculate idle you have to have run the algorithm
+	 * at least once to get a start time.
+	 */
 	if (pwr->time != 0) {
 		s64 tmp = ktime_to_us(ktime_get());
 		stats->total_time = tmp - pwr->time;
diff --git a/drivers/gpu/msm/adreno.h b/drivers/gpu/msm/adreno.h
index 90d6027..fa892b9 100644
--- a/drivers/gpu/msm/adreno.h
+++ b/drivers/gpu/msm/adreno.h
@@ -34,6 +34,7 @@
 #define KGSL_CMD_FLAGS_NONE             0x00000000
 #define KGSL_CMD_FLAGS_PMODE		0x00000001
 #define KGSL_CMD_FLAGS_INTERNAL_ISSUE	0x00000002
+#define KGSL_CMD_FLAGS_GET_INT		0x00000004
 #define KGSL_CMD_FLAGS_EOF	        0x00000100
 
 /* Command identifiers */
@@ -506,4 +507,25 @@
 	return cmds - start;
 }
 
+/*
+ * adreno_wait_reg_eq() - Add a CP_WAIT_REG_EQ command
+ * @cmds:	Pointer to memory where commands are to be added
+ * @addr:	Regiater address to poll for
+ * @val:	Value to poll for
+ * @mask:	The value against which register value is masked
+ * @interval:	wait interval
+ */
+static inline int adreno_wait_reg_eq(unsigned int *cmds, unsigned int addr,
+					unsigned int val, unsigned int mask,
+					unsigned int interval)
+{
+	unsigned int *start = cmds;
+	*cmds++ = cp_type3_packet(CP_WAIT_REG_EQ, 4);
+	*cmds++ = addr;
+	*cmds++ = val;
+	*cmds++ = mask;
+	*cmds++ = interval;
+	return cmds - start;
+}
+
 #endif /*__ADRENO_H */
diff --git a/drivers/gpu/msm/adreno_a3xx.c b/drivers/gpu/msm/adreno_a3xx.c
index be5c786..a4b3121 100644
--- a/drivers/gpu/msm/adreno_a3xx.c
+++ b/drivers/gpu/msm/adreno_a3xx.c
@@ -2758,7 +2758,7 @@
 {
 	unsigned int in, out, bit, sel;
 
-	if (countable > 0x7f)
+	if (counter > 1 || countable > 0x7f)
 		return;
 
 	adreno_regread(device, A3XX_VBIF_PERF_CNT_EN, &in);
@@ -2767,7 +2767,7 @@
 	if (counter == 0) {
 		bit = VBIF_PERF_CNT_0;
 		sel = (sel & ~VBIF_PERF_CNT_0_SEL_MASK) | countable;
-	} else if (counter == 1) {
+	} else {
 		bit = VBIF_PERF_CNT_1;
 		sel = (sel & ~VBIF_PERF_CNT_1_SEL_MASK)
 			| (countable << VBIF_PERF_CNT_1_SEL);
@@ -2821,10 +2821,10 @@
 	unsigned int val = 0;
 	struct a3xx_perfcounter_register *reg;
 
-	if (group > ARRAY_SIZE(a3xx_perfcounter_reglist))
+	if (group >= ARRAY_SIZE(a3xx_perfcounter_reglist))
 		return;
 
-	if (counter > a3xx_perfcounter_reglist[group].count)
+	if (counter >= a3xx_perfcounter_reglist[group].count)
 		return;
 
 	/* Special cases */
@@ -2858,7 +2858,10 @@
 	unsigned int lo = 0, hi = 0;
 	unsigned int val;
 
-	if (group > ARRAY_SIZE(a3xx_perfcounter_reglist))
+	if (group >= ARRAY_SIZE(a3xx_perfcounter_reglist))
+		return 0;
+
+	if (counter >= a3xx_perfcounter_reglist[group].count)
 		return 0;
 
 	reg = &(a3xx_perfcounter_reglist[group].regs[counter]);
diff --git a/drivers/gpu/msm/adreno_debugfs.c b/drivers/gpu/msm/adreno_debugfs.c
index ef599e9..980ff13 100644
--- a/drivers/gpu/msm/adreno_debugfs.c
+++ b/drivers/gpu/msm/adreno_debugfs.c
@@ -93,4 +93,7 @@
 	 adreno_dev->ft_pf_policy = KGSL_FT_PAGEFAULT_DEFAULT_POLICY;
 	 debugfs_create_u32("ft_pagefault_policy", 0644, device->d_debugfs,
 			&adreno_dev->ft_pf_policy);
+
+	debugfs_create_u32("active_cnt", 0444, device->d_debugfs,
+			   &device->active_cnt);
 }
diff --git a/drivers/gpu/msm/adreno_postmortem.c b/drivers/gpu/msm/adreno_postmortem.c
index 5396196..2249907 100644
--- a/drivers/gpu/msm/adreno_postmortem.c
+++ b/drivers/gpu/msm/adreno_postmortem.c
@@ -69,6 +69,8 @@
 	{CP_SET_PROTECTED_MODE,	"ST_PRT_M"},
 	{CP_SET_SHADER_BASES,		"ST_SHD_B"},
 	{CP_WAIT_FOR_IDLE,		"WAIT4IDL"},
+	{CP_WAIT_FOR_ME,		"WAIT4ME"},
+	{CP_WAIT_REG_EQ,		"WAITRGEQ"},
 };
 
 static const struct pm_id_name pm3_nop_values[] = {
@@ -854,7 +856,12 @@
 			(num_iommu_units && this_cmd ==
 			kgsl_mmu_get_reg_gpuaddr(&device->mmu, 0,
 						KGSL_IOMMU_CONTEXT_USER,
-						KGSL_IOMMU_CTX_TTBR0))) {
+						KGSL_IOMMU_CTX_TTBR0)) ||
+			(num_iommu_units && this_cmd == cp_type0_packet(
+						kgsl_mmu_get_reg_ahbaddr(
+						&device->mmu, 0,
+						KGSL_IOMMU_CONTEXT_USER,
+						KGSL_IOMMU_CTX_TTBR0), 1))) {
 			KGSL_LOG_DUMP(device, "Current pagetable: %x\t"
 				"pagetable base: %x\n",
 				kgsl_mmu_get_ptname_from_ptbase(&device->mmu,
diff --git a/drivers/gpu/msm/adreno_ringbuffer.c b/drivers/gpu/msm/adreno_ringbuffer.c
index a4bb4fa..61ea916 100644
--- a/drivers/gpu/msm/adreno_ringbuffer.c
+++ b/drivers/gpu/msm/adreno_ringbuffer.c
@@ -18,7 +18,6 @@
 #include "kgsl.h"
 #include "kgsl_sharedmem.h"
 #include "kgsl_cffdump.h"
-#include "kgsl_trace.h"
 
 #include "adreno.h"
 #include "adreno_pm4types.h"
@@ -544,13 +543,15 @@
 	/*
 	 * if the context was not created with per context timestamp
 	 * support, we must use the global timestamp since issueibcmds
-	 * will be returning that one.
+	 * will be returning that one, or if an internal issue then
+	 * use global timestamp.
 	 */
-	if (context && context->flags & CTXT_FLAGS_PER_CONTEXT_TS)
+	if ((context && (context->flags & CTXT_FLAGS_PER_CONTEXT_TS)) &&
+		!(flags & KGSL_CMD_FLAGS_INTERNAL_ISSUE))
 		context_id = context->id;
 
-	if ((context && context->flags & CTXT_FLAGS_USER_GENERATED_TS) &&
-			(!(flags & KGSL_CMD_FLAGS_INTERNAL_ISSUE))) {
+	if ((context && (context->flags & CTXT_FLAGS_USER_GENERATED_TS)) &&
+		!(flags & KGSL_CMD_FLAGS_INTERNAL_ISSUE)) {
 		if (timestamp_cmp(rb->timestamp[context_id],
 						timestamp) >= 0) {
 			KGSL_DRV_ERR(rb->device,
@@ -574,6 +575,11 @@
 	/* Add CP_COND_EXEC commands to generate CP_INTERRUPT */
 	total_sizedwords += context ? 13 : 0;
 
+	if ((context) && (context->flags & CTXT_FLAGS_PER_CONTEXT_TS) &&
+		(flags & (KGSL_CMD_FLAGS_INTERNAL_ISSUE |
+		KGSL_CMD_FLAGS_GET_INT)))
+			total_sizedwords += 2;
+
 	if (adreno_is_a3xx(adreno_dev))
 		total_sizedwords += 7;
 
@@ -584,11 +590,9 @@
 	total_sizedwords += 3; /* sop timestamp */
 	total_sizedwords += 4; /* eop timestamp */
 
-	if (context && context->flags & CTXT_FLAGS_PER_CONTEXT_TS &&
-			!(flags & KGSL_CMD_FLAGS_INTERNAL_ISSUE)) {
+	if (KGSL_MEMSTORE_GLOBAL != context_id)
 		total_sizedwords += 3; /* global timestamp without cache
 					* flush for non-zero context */
-	}
 
 	if (adreno_is_a20x(adreno_dev))
 		total_sizedwords += 2; /* CACHE_FLUSH */
@@ -619,12 +623,12 @@
 	/* always increment the global timestamp. once. */
 	rb->timestamp[KGSL_MEMSTORE_GLOBAL]++;
 
-	/* Do not update context's timestamp for internal submissions */
-	if (context && !(flags & KGSL_CMD_FLAGS_INTERNAL_ISSUE)) {
-		if (context_id == KGSL_MEMSTORE_GLOBAL)
-			rb->timestamp[context->id] =
-				rb->timestamp[KGSL_MEMSTORE_GLOBAL];
-		else if (context->flags & CTXT_FLAGS_USER_GENERATED_TS)
+	/*
+	 * If global timestamp then we are not using per context ts for
+	 * this submission
+	 */
+	if (context_id != KGSL_MEMSTORE_GLOBAL) {
+		if (context->flags & CTXT_FLAGS_USER_GENERATED_TS)
 			rb->timestamp[context_id] = timestamp;
 		else
 			rb->timestamp[context_id]++;
@@ -695,9 +699,7 @@
 		KGSL_MEMSTORE_OFFSET(context_id, eoptimestamp)));
 	GSL_RB_WRITE(ringcmds, rcmd_gpu, timestamp);
 
-	if (context && context->flags & CTXT_FLAGS_PER_CONTEXT_TS
-			&& !(flags & KGSL_CMD_FLAGS_INTERNAL_ISSUE)) {
-
+	if (KGSL_MEMSTORE_GLOBAL != context_id) {
 		GSL_RB_WRITE(ringcmds, rcmd_gpu,
 			cp_type3_packet(CP_MEM_WRITE, 2));
 		GSL_RB_WRITE(ringcmds, rcmd_gpu, (gpuaddr +
@@ -749,6 +751,19 @@
 		GSL_RB_WRITE(ringcmds, rcmd_gpu, CP_INT_CNTL__RB_INT_MASK);
 	}
 
+	/*
+	 * If per context timestamps are enabled and any of the kgsl
+	 * internal commands want INT to be generated trigger the INT
+	*/
+	if ((context) && (context->flags & CTXT_FLAGS_PER_CONTEXT_TS) &&
+		(flags & (KGSL_CMD_FLAGS_INTERNAL_ISSUE |
+		KGSL_CMD_FLAGS_GET_INT))) {
+			GSL_RB_WRITE(ringcmds, rcmd_gpu,
+				cp_type3_packet(CP_INTERRUPT, 1));
+			GSL_RB_WRITE(ringcmds, rcmd_gpu,
+				CP_INT_CNTL__RB_INT_MASK);
+	}
+
 	if (adreno_is_a3xx(adreno_dev)) {
 		/* Dummy set-constant to trigger context rollover */
 		GSL_RB_WRITE(ringcmds, rcmd_gpu,
@@ -1107,8 +1122,10 @@
 		ret = 0;
 
 done:
-	trace_kgsl_issueibcmds(device, context->id, ibdesc, numibs,
-		*timestamp, flags, ret, drawctxt->type);
+	device->pwrctrl.irq_last = 0;
+	kgsl_trace_issueibcmds(device, context ? context->id : 0, ibdesc,
+		numibs, *timestamp, flags, ret,
+		drawctxt ? drawctxt->type : 0);
 
 	kfree(link);
 	return ret;
diff --git a/drivers/gpu/msm/kgsl.c b/drivers/gpu/msm/kgsl.c
index 53ef392..5275267 100644
--- a/drivers/gpu/msm/kgsl.c
+++ b/drivers/gpu/msm/kgsl.c
@@ -53,6 +53,46 @@
 
 static struct ion_client *kgsl_ion_client;
 
+/**
+ * kgsl_trace_issueibcmds() - Call trace_issueibcmds by proxy
+ * device: KGSL device
+ * id: ID of the context submitting the command
+ * ibdesc: Pointer to the list of IB descriptors
+ * numib: Number of IBs in the list
+ * timestamp: Timestamp assigned to the command batch
+ * flags: Flags sent by the user
+ * result: Result of the submission attempt
+ * type: Type of context issuing the command
+ *
+ * Wrap the issueibcmds ftrace hook into a function that can be called from the
+ * GPU specific modules.
+ */
+void kgsl_trace_issueibcmds(struct kgsl_device *device, int id,
+		struct kgsl_ibdesc *ibdesc, int numibs,
+		unsigned int timestamp, unsigned int flags,
+		int result, unsigned int type)
+{
+	trace_kgsl_issueibcmds(device, id, ibdesc, numibs,
+		timestamp, flags, result, type);
+}
+EXPORT_SYMBOL(kgsl_trace_issueibcmds);
+
+/**
+ * kgsl_trace_regwrite - call regwrite ftrace function by proxy
+ * device: KGSL device
+ * offset: dword offset of the register being written
+ * value: Value of the register being written
+ *
+ * Wrap the regwrite ftrace hook into a function that can be called from the
+ * GPU specific modules.
+ */
+void kgsl_trace_regwrite(struct kgsl_device *device, unsigned int offset,
+		unsigned int value)
+{
+	trace_kgsl_regwrite(device, offset, value);
+}
+EXPORT_SYMBOL(kgsl_trace_regwrite);
+
 int kgsl_memfree_hist_init(void)
 {
 	void *base;
@@ -413,27 +453,6 @@
 	kfree(context);
 }
 
-static void kgsl_check_idle_locked(struct kgsl_device *device)
-{
-	if (device->pwrctrl.nap_allowed == true &&
-	    device->state == KGSL_STATE_ACTIVE &&
-		device->requested_state == KGSL_STATE_NONE) {
-		kgsl_pwrctrl_request_state(device, KGSL_STATE_NAP);
-		kgsl_pwrscale_idle(device);
-		if (kgsl_pwrctrl_sleep(device) != 0)
-			mod_timer(&device->idle_timer,
-				  jiffies +
-				  device->pwrctrl.interval_timeout);
-	}
-}
-
-static void kgsl_check_idle(struct kgsl_device *device)
-{
-	mutex_lock(&device->mutex);
-	kgsl_check_idle_locked(device);
-	mutex_unlock(&device->mutex);
-}
-
 struct kgsl_device *kgsl_get_device(int dev_idx)
 {
 	int i;
@@ -496,13 +515,12 @@
 	policy_saved = device->pwrscale.policy;
 	device->pwrscale.policy = NULL;
 	kgsl_pwrctrl_request_state(device, KGSL_STATE_SUSPEND);
-	/* Make sure no user process is waiting for a timestamp *
-	 * before supending */
-	if (device->active_cnt != 0) {
-		mutex_unlock(&device->mutex);
-		wait_for_completion(&device->suspend_gate);
-		mutex_lock(&device->mutex);
-	}
+	/*
+	 * Make sure no user process is waiting for a timestamp
+	 * before supending.
+	 */
+	kgsl_active_count_wait(device);
+
 	/* Don't let the timer wake us during suspended sleep. */
 	del_timer_sync(&device->idle_timer);
 	switch (device->state) {
@@ -513,6 +531,8 @@
 			device->ftbl->idle(device);
 		case KGSL_STATE_NAP:
 		case KGSL_STATE_SLEEP:
+			/* make sure power is on to stop the device */
+			kgsl_pwrctrl_enable(device);
 			/* Get the completion ready to be waited upon. */
 			INIT_COMPLETION(device->hwaccess_gate);
 			device->ftbl->suspend_context(device);
@@ -632,9 +652,16 @@
 	device->pwrctrl.restore_slumber = false;
 	if (device->pwrscale.policy == NULL)
 		kgsl_pwrctrl_pwrlevel_change(device, KGSL_PWRLEVEL_TURBO);
-	kgsl_pwrctrl_wake(device);
+	if (kgsl_pwrctrl_wake(device) != 0)
+		return;
+	/*
+	 * We don't have a way to go directly from
+	 * a deeper sleep state to NAP, which is
+	 * the desired state here.
+	 */
+	kgsl_pwrctrl_request_state(device, KGSL_STATE_NAP);
+	kgsl_pwrctrl_sleep(device);
 	mutex_unlock(&device->mutex);
-	kgsl_check_idle(device);
 	KGSL_PWR_WARN(device, "late resume end\n");
 }
 EXPORT_SYMBOL(kgsl_late_resume_driver);
@@ -745,7 +772,7 @@
 	filep->private_data = NULL;
 
 	mutex_lock(&device->mutex);
-	kgsl_check_suspended(device);
+	kgsl_active_count_get(device);
 
 	while (1) {
 		context = idr_get_next(&device->context_idr, &next);
@@ -767,10 +794,17 @@
 
 	device->open_count--;
 	if (device->open_count == 0) {
+		BUG_ON(device->active_cnt > 1);
 		result = device->ftbl->stop(device);
 		kgsl_pwrctrl_set_state(device, KGSL_STATE_INIT);
+		/*
+		 * active_cnt special case: we just stopped the device,
+		 * so no need to use kgsl_active_count_put()
+		 */
+		device->active_cnt--;
+	} else {
+		kgsl_active_count_put(device);
 	}
-
 	mutex_unlock(&device->mutex);
 	kfree(dev_priv);
 
@@ -816,9 +850,14 @@
 	filep->private_data = dev_priv;
 
 	mutex_lock(&device->mutex);
-	kgsl_check_suspended(device);
 
 	if (device->open_count == 0) {
+		/*
+		 * active_cnt special case: we are starting up for the first
+		 * time, so use this sequence instead of the kgsl_pwrctrl_wake()
+		 * which will be called by kgsl_active_count_get().
+		 */
+		device->active_cnt++;
 		kgsl_sharedmem_set(&device->memstore, 0, 0,
 				device->memstore.size);
 
@@ -831,6 +870,7 @@
 			goto err_freedevpriv;
 
 		kgsl_pwrctrl_set_state(device, KGSL_STATE_ACTIVE);
+		kgsl_active_count_put(device);
 	}
 	device->open_count++;
 	mutex_unlock(&device->mutex);
@@ -856,10 +896,15 @@
 	mutex_lock(&device->mutex);
 	device->open_count--;
 	if (device->open_count == 0) {
+		/* make sure power is on to stop the device */
+		kgsl_pwrctrl_enable(device);
 		result = device->ftbl->stop(device);
 		kgsl_pwrctrl_set_state(device, KGSL_STATE_INIT);
 	}
 err_freedevpriv:
+	/* only the first open takes an active count */
+	if (device->open_count == 0)
+		device->active_cnt--;
 	mutex_unlock(&device->mutex);
 	filep->private_data = NULL;
 	kfree(dev_priv);
@@ -1073,10 +1118,6 @@
 	struct kgsl_device *device = dev_priv->device;
 	unsigned int context_id = context ? context->id : KGSL_MEMSTORE_GLOBAL;
 
-	/* Set the active count so that suspend doesn't do the wrong thing */
-
-	device->active_cnt++;
-
 	trace_kgsl_waittimestamp_entry(device, context_id,
 				       kgsl_readtimestamp(device, context,
 							KGSL_TIMESTAMP_RETIRED),
@@ -1090,9 +1131,6 @@
 							KGSL_TIMESTAMP_RETIRED),
 				      result);
 
-	/* Fire off any pending suspend operations that are in flight */
-	kgsl_active_count_put(dev_priv->device);
-
 	return result;
 }
 
@@ -1887,7 +1925,6 @@
 
 	trace_kgsl_mem_map(entry, param->fd);
 
-	kgsl_check_idle(dev_priv->device);
 	return result;
 
 error_unmap:
@@ -1907,7 +1944,6 @@
 	}
 error:
 	kfree(entry);
-	kgsl_check_idle(dev_priv->device);
 	return result;
 }
 
@@ -2035,7 +2071,6 @@
 
 	entry->memtype = KGSL_MEM_ENTRY_KERNEL;
 
-	kgsl_check_idle(dev_priv->device);
 	*ret_entry = entry;
 	return result;
 err:
@@ -2370,7 +2405,7 @@
 			kgsl_ioctl_cff_user_event, 0),
 	KGSL_IOCTL_FUNC(IOCTL_KGSL_TIMESTAMP_EVENT,
 			kgsl_ioctl_timestamp_event,
-			KGSL_IOCTL_LOCK),
+			KGSL_IOCTL_LOCK | KGSL_IOCTL_WAKE),
 	KGSL_IOCTL_FUNC(IOCTL_KGSL_SETPROPERTY,
 			kgsl_ioctl_device_setproperty,
 			KGSL_IOCTL_LOCK | KGSL_IOCTL_WAKE),
@@ -2462,14 +2497,19 @@
 
 	if (lock) {
 		mutex_lock(&dev_priv->device->mutex);
-		if (use_hw)
-			kgsl_check_suspended(dev_priv->device);
+		if (use_hw) {
+			ret = kgsl_active_count_get(dev_priv->device);
+			if (ret < 0)
+				goto unlock;
+		}
 	}
 
 	ret = func(dev_priv, cmd, uptr);
 
+unlock:
 	if (lock) {
-		kgsl_check_idle_locked(dev_priv->device);
+		if (use_hw)
+			kgsl_active_count_put(dev_priv->device);
 		mutex_unlock(&dev_priv->device->mutex);
 	}
 
@@ -2600,12 +2640,18 @@
 	return ret;
 }
 
+static inline bool
+mmap_range_valid(unsigned long addr, unsigned long len)
+{
+	return (addr + len) > addr && (addr + len) < TASK_SIZE;
+}
+
 static unsigned long
 kgsl_get_unmapped_area(struct file *file, unsigned long addr,
 			unsigned long len, unsigned long pgoff,
 			unsigned long flags)
 {
-	unsigned long ret = 0;
+	unsigned long ret = 0, orig_len = len;
 	unsigned long vma_offset = pgoff << PAGE_SHIFT;
 	struct kgsl_device_private *dev_priv = file->private_data;
 	struct kgsl_process_private *private = dev_priv->process_priv;
@@ -2650,10 +2696,26 @@
 
 	if (align)
 		len += 1 << align;
+
+	if (!mmap_range_valid(addr, len))
+		addr = 0;
 	do {
 		ret = get_unmapped_area(NULL, addr, len, pgoff, flags);
-		if (IS_ERR_VALUE(ret))
+		if (IS_ERR_VALUE(ret)) {
+			/*
+			 * If we are really fragmented, there may not be room
+			 * for the alignment padding, so try again without it.
+			 */
+			if (!retry && (ret == (unsigned long)-ENOMEM)
+				&& (align > PAGE_SHIFT)) {
+				align = PAGE_SHIFT;
+				addr = 0;
+				len = orig_len;
+				retry = 1;
+				continue;
+			}
 			break;
+		}
 		if (align)
 			ret = ALIGN(ret, (1 << align));
 
@@ -2675,13 +2737,13 @@
 		 * the whole address space at least once by wrapping
 		 * back around once.
 		 */
-		if (!retry && (addr + len >= TASK_SIZE)) {
+		if (!retry && !mmap_range_valid(addr, len)) {
 			addr = 0;
 			retry = 1;
 		} else {
 			ret = -EBUSY;
 		}
-	} while (addr + len < TASK_SIZE);
+	} while (mmap_range_valid(addr, len));
 
 	if (IS_ERR_VALUE(ret))
 		KGSL_MEM_INFO(device,
@@ -3032,11 +3094,7 @@
 	/* For a manual dump, make sure that the system is idle */
 
 	if (manual) {
-		if (device->active_cnt != 0) {
-			mutex_unlock(&device->mutex);
-			wait_for_completion(&device->suspend_gate);
-			mutex_lock(&device->mutex);
-		}
+		kgsl_active_count_wait(device);
 
 		if (device->state == KGSL_STATE_ACTIVE)
 			kgsl_idle(device);
diff --git a/drivers/gpu/msm/kgsl.h b/drivers/gpu/msm/kgsl.h
index c568db5..abe9100 100644
--- a/drivers/gpu/msm/kgsl.h
+++ b/drivers/gpu/msm/kgsl.h
@@ -226,6 +226,14 @@
 void kgsl_early_suspend_driver(struct early_suspend *h);
 void kgsl_late_resume_driver(struct early_suspend *h);
 
+void kgsl_trace_regwrite(struct kgsl_device *device, unsigned int offset,
+		unsigned int value);
+
+void kgsl_trace_issueibcmds(struct kgsl_device *device, int id,
+		struct kgsl_ibdesc *ibdesc, int numibs,
+		unsigned int timestamp, unsigned int flags,
+		int result, unsigned int type);
+
 #ifdef CONFIG_MSM_KGSL_DRM
 extern int kgsl_drm_init(struct platform_device *dev);
 extern void kgsl_drm_exit(void);
diff --git a/drivers/gpu/msm/kgsl_device.h b/drivers/gpu/msm/kgsl_device.h
index 0d11660..ac82820 100644
--- a/drivers/gpu/msm/kgsl_device.h
+++ b/drivers/gpu/msm/kgsl_device.h
@@ -454,23 +454,4 @@
 	kref_put(&context->refcount, kgsl_context_destroy);
 }
 
-/**
- * kgsl_active_count_put - Decrease the device active count
- * @device: Pointer to a KGSL device
- *
- * Decrease the active count for the KGSL device and trigger the suspend_gate
- * completion if it hits zero
- */
-static inline void
-kgsl_active_count_put(struct kgsl_device *device)
-{
-	if (device->active_cnt == 1)
-		INIT_COMPLETION(device->suspend_gate);
-
-	device->active_cnt--;
-
-	if (device->active_cnt == 0)
-		complete(&device->suspend_gate);
-}
-
 #endif  /* __KGSL_DEVICE_H */
diff --git a/drivers/gpu/msm/kgsl_events.c b/drivers/gpu/msm/kgsl_events.c
index 9e9c0da..d872783 100644
--- a/drivers/gpu/msm/kgsl_events.c
+++ b/drivers/gpu/msm/kgsl_events.c
@@ -51,6 +51,7 @@
 	void (*cb)(struct kgsl_device *, void *, u32, u32), void *priv,
 	void *owner)
 {
+	int ret;
 	struct kgsl_event *event;
 	unsigned int cur_ts;
 	struct kgsl_context *context = NULL;
@@ -82,6 +83,16 @@
 	if (event == NULL)
 		return -ENOMEM;
 
+	/*
+	 * Increase the active count on the device to avoid going into power
+	 * saving modes while events are pending
+	 */
+	ret = kgsl_active_count_get_light(device);
+	if (ret < 0) {
+		kfree(event);
+		return ret;
+	}
+
 	event->context = context;
 	event->timestamp = ts;
 	event->priv = priv;
@@ -112,13 +123,6 @@
 	} else
 		_add_event_to_list(&device->events, event);
 
-	/*
-	 * Increase the active count on the device to avoid going into power
-	 * saving modes while events are pending
-	 */
-
-	device->active_cnt++;
-
 	queue_work(device->work_queue, &device->ts_expired_ws);
 	return 0;
 }
diff --git a/drivers/gpu/msm/kgsl_gpummu.c b/drivers/gpu/msm/kgsl_gpummu.c
index 5cc0dff..8d071d1 100644
--- a/drivers/gpu/msm/kgsl_gpummu.c
+++ b/drivers/gpu/msm/kgsl_gpummu.c
@@ -759,7 +759,9 @@
 	.mmu_disable_clk_on_ts = NULL,
 	.mmu_get_pt_lsb = NULL,
 	.mmu_get_reg_gpuaddr = NULL,
+	.mmu_get_reg_ahbaddr = NULL,
 	.mmu_get_num_iommu_units = kgsl_gpummu_get_num_iommu_units,
+	.mmu_hw_halt_supported = NULL,
 };
 
 struct kgsl_mmu_pt_ops gpummu_pt_ops = {
diff --git a/drivers/gpu/msm/kgsl_iommu.c b/drivers/gpu/msm/kgsl_iommu.c
index 739fcff..15f35c9 100644
--- a/drivers/gpu/msm/kgsl_iommu.c
+++ b/drivers/gpu/msm/kgsl_iommu.c
@@ -37,31 +37,51 @@
 
 
 static struct kgsl_iommu_register_list kgsl_iommuv0_reg[KGSL_IOMMU_REG_MAX] = {
-	{ 0, 0, 0 },				/* GLOBAL_BASE */
-	{ 0x10, 0x0003FFFF, 14 },		/* TTBR0 */
-	{ 0x14, 0x0003FFFF, 14 },		/* TTBR1 */
-	{ 0x20, 0, 0 },				/* FSR */
-	{ 0x800, 0, 0 },			/* TLBIALL */
-	{ 0x820, 0, 0 },			/* RESUME */
-	{ 0x03C, 0, 0 },			/* TLBLKCR */
-	{ 0x818, 0, 0 },			/* V2PUR */
-	{ 0x2C, 0, 0 },                         /* FSYNR0 */
-	{ 0x2C, 0, 0 },                         /* FSYNR0 */
+	{ 0, 0 },			/* GLOBAL_BASE */
+	{ 0x10, 1 },			/* TTBR0 */
+	{ 0x14, 1 },			/* TTBR1 */
+	{ 0x20, 1 },			/* FSR */
+	{ 0x800, 1 },			/* TLBIALL */
+	{ 0x820, 1 },			/* RESUME */
+	{ 0x03C, 1 },			/* TLBLKCR */
+	{ 0x818, 1 },			/* V2PUR */
+	{ 0x2C, 1 },			/* FSYNR0 */
+	{ 0x2C, 1 },			/* FSYNR0 */
+	{ 0, 0 },			/* TLBSYNC, not in v0 */
+	{ 0, 0 },			/* TLBSTATUS, not in v0 */
+	{ 0, 0 }			/* IMPLDEF_MICRO_MMU_CRTL, not in v0 */
 };
 
 static struct kgsl_iommu_register_list kgsl_iommuv1_reg[KGSL_IOMMU_REG_MAX] = {
-	{ 0, 0, 0 },				/* GLOBAL_BASE */
-	{ 0x20, 0x00FFFFFF, 14 },		/* TTBR0 */
-	{ 0x28, 0x00FFFFFF, 14 },		/* TTBR1 */
-	{ 0x58, 0, 0 },				/* FSR */
-	{ 0x618, 0, 0 },			/* TLBIALL */
-	{ 0x008, 0, 0 },			/* RESUME */
-	{ 0, 0, 0 },				/* TLBLKCR */
-	{ 0, 0, 0 },				/* V2PUR */
-	{ 0x68, 0, 0 },				/* FSYNR0 */
-	{ 0x6C, 0, 0 }				/* FSYNR1 */
+	{ 0, 0 },			/* GLOBAL_BASE */
+	{ 0x20, 1 },			/* TTBR0 */
+	{ 0x28, 1 },			/* TTBR1 */
+	{ 0x58, 1 },			/* FSR */
+	{ 0x618, 1 },			/* TLBIALL */
+	{ 0x008, 1 },			/* RESUME */
+	{ 0, 0 },			/* TLBLKCR not in V1 */
+	{ 0, 0 },			/* V2PUR not in V1 */
+	{ 0x68, 0 },			/* FSYNR0 */
+	{ 0x6C, 0 },			/* FSYNR1 */
+	{ 0x7F0, 1 },			/* TLBSYNC */
+	{ 0x7F4, 1 },			/* TLBSTATUS */
+	{ 0x2000, 0 }			/* IMPLDEF_MICRO_MMU_CRTL */
 };
 
+static struct iommu_access_ops *iommu_access_ops;
+
+static void _iommu_lock(void)
+{
+	if (iommu_access_ops && iommu_access_ops->iommu_lock_acquire)
+		iommu_access_ops->iommu_lock_acquire();
+}
+
+static void _iommu_unlock(void)
+{
+	if (iommu_access_ops && iommu_access_ops->iommu_lock_release)
+		iommu_access_ops->iommu_lock_release();
+}
+
 struct remote_iommu_petersons_spinlock kgsl_iommu_sync_lock_vars;
 
 static int get_iommu_unit(struct device *dev, struct kgsl_mmu **mmu_out,
@@ -582,18 +602,13 @@
 				struct kgsl_pagetable *pt,
 				unsigned int pt_base)
 {
-	struct kgsl_iommu *iommu = mmu->priv;
 	struct kgsl_iommu_pt *iommu_pt = pt ? pt->priv : NULL;
 	unsigned int domain_ptbase = iommu_pt ?
 				iommu_get_pt_base_addr(iommu_pt->domain) : 0;
 	/* Only compare the valid address bits of the pt_base */
-	domain_ptbase &=
-		(iommu->iommu_reg_list[KGSL_IOMMU_CTX_TTBR0].reg_mask <<
-		iommu->iommu_reg_list[KGSL_IOMMU_CTX_TTBR0].reg_shift);
+	domain_ptbase &= KGSL_IOMMU_CTX_TTBR0_ADDR_MASK;
 
-	pt_base &=
-		(iommu->iommu_reg_list[KGSL_IOMMU_CTX_TTBR0].reg_mask <<
-		iommu->iommu_reg_list[KGSL_IOMMU_CTX_TTBR0].reg_shift);
+	pt_base &= KGSL_IOMMU_CTX_TTBR0_ADDR_MASK;
 
 	return domain_ptbase && pt_base &&
 		(domain_ptbase == pt_base);
@@ -649,15 +664,18 @@
 	domain_num = msm_register_domain(&kgsl_layout);
 	if (domain_num >= 0) {
 		iommu_pt->domain = msm_get_iommu_domain(domain_num);
-		iommu_set_fault_handler(iommu_pt->domain,
-			kgsl_iommu_fault_handler, NULL);
-	} else {
-		KGSL_CORE_ERR("Failed to create iommu domain\n");
-		kfree(iommu_pt);
-		return NULL;
+
+		if (iommu_pt->domain) {
+			iommu_set_fault_handler(iommu_pt->domain,
+				kgsl_iommu_fault_handler, NULL);
+
+			return iommu_pt;
+		}
 	}
 
-	return iommu_pt;
+	KGSL_CORE_ERR("Failed to create iommu domain\n");
+	kfree(iommu_pt);
+	return NULL;
 }
 
 /*
@@ -889,11 +907,14 @@
 	if (iommu->sync_lock_initialized)
 		return status;
 
-	/* Get the physical address of the Lock variables */
-	lock_phy_addr = (msm_iommu_lock_initialize()
+	iommu_access_ops = get_iommu_access_ops_v0();
+
+	if (iommu_access_ops && iommu_access_ops->iommu_lock_initialize)
+		lock_phy_addr = (iommu_access_ops->iommu_lock_initialize()
 			- MSM_SHARED_RAM_BASE + msm_shared_ram_phys);
 
 	if (!lock_phy_addr) {
+		iommu_access_ops = NULL;
 		KGSL_DRV_ERR(mmu->device,
 				"GPU CPU sync lock is not supported by kernel\n");
 		return -ENXIO;
@@ -911,8 +932,10 @@
 				 iommu->sync_lock_desc.physaddr,
 				 iommu->sync_lock_desc.size);
 
-	if (status)
+	if (status) {
+		iommu_access_ops = NULL;
 		return status;
+	}
 
 	/* Flag Sync Lock is Initialized  */
 	iommu->sync_lock_initialized = 1;
@@ -1092,6 +1115,9 @@
 				iommu_unit->reg_map.size);
 		if (ret)
 			goto err;
+
+		iommu_unit->iommu_halt_enable = data.iommu_halt_enable;
+		iommu_unit->ahb_base = data.physstart - mmu->device->reg_phys;
 	}
 	iommu->unit_count = pdata_dev->iommu_count;
 	return ret;
@@ -1118,11 +1144,9 @@
 static unsigned int kgsl_iommu_get_pt_base_addr(struct kgsl_mmu *mmu,
 						struct kgsl_pagetable *pt)
 {
-	struct kgsl_iommu *iommu = mmu->priv;
 	struct kgsl_iommu_pt *iommu_pt = pt->priv;
 	return iommu_get_pt_base_addr(iommu_pt->domain) &
-			(iommu->iommu_reg_list[KGSL_IOMMU_CTX_TTBR0].reg_mask <<
-			iommu->iommu_reg_list[KGSL_IOMMU_CTX_TTBR0].reg_shift);
+			KGSL_IOMMU_CTX_TTBR0_ADDR_MASK;
 }
 
 /*
@@ -1241,6 +1265,30 @@
 }
 
 
+/*
+ * kgsl_iommu_get_reg_ahbaddr - Returns the ahb address of the register
+ * @mmu - Pointer to mmu structure
+ * @iommu_unit - The iommu unit for which base address is requested
+ * @ctx_id - The context ID of the IOMMU ctx
+ * @reg - The register for which address is required
+ *
+ * Return - The address of register which can be used in type0 packet
+ */
+static unsigned int kgsl_iommu_get_reg_ahbaddr(struct kgsl_mmu *mmu,
+					int iommu_unit, int ctx_id,
+					enum kgsl_iommu_reg_map reg)
+{
+	struct kgsl_iommu *iommu = mmu->priv;
+
+	if (iommu->iommu_reg_list[reg].ctx_reg)
+		return iommu->iommu_units[iommu_unit].ahb_base +
+			iommu->iommu_reg_list[reg].reg_offset +
+			(ctx_id << KGSL_IOMMU_CTX_SHIFT) + iommu->ctx_offset;
+	else
+		return iommu->iommu_units[iommu_unit].ahb_base +
+			iommu->iommu_reg_list[reg].reg_offset;
+}
+
 static int kgsl_iommu_init(struct kgsl_mmu *mmu)
 {
 	/*
@@ -1265,13 +1313,15 @@
 	status = kgsl_set_register_map(mmu);
 	if (status)
 		goto done;
-	status = kgsl_iommu_init_sync_lock(mmu);
-	if (status)
-		goto done;
 
-	/* We presently do not support per-process for IOMMU-v1 */
+	/*
+	 * IOMMU-v1 requires hardware halt support to do in stream
+	 * pagetable switching. This check assumes that if there are
+	 * multiple units, they will be matching hardware.
+	 */
 	mmu->pt_per_process = KGSL_MMU_USE_PER_PROCESS_PT &&
-				msm_soc_version_supports_iommu_v0();
+				(msm_soc_version_supports_iommu_v0() ||
+				 iommu->iommu_units[0].iommu_halt_enable);
 
 	/*
 	 * For IOMMU per-process pagetables, the allocatable range
@@ -1294,6 +1344,9 @@
 		mmu->use_cpu_map = false;
 	}
 
+	status = kgsl_iommu_init_sync_lock(mmu);
+	if (status)
+		goto done;
 
 	iommu->iommu_reg_list = kgsl_iommuv0_reg;
 	iommu->ctx_offset = KGSL_IOMMU_CTX_OFFSET_V0;
@@ -1535,7 +1588,7 @@
 	 * changing pagetables we can use this lsb value of the pagetable w/o
 	 * having to read it again
 	 */
-	msm_iommu_lock();
+	_iommu_lock();
 	for (i = 0; i < iommu->unit_count; i++) {
 		struct kgsl_iommu_unit *iommu_unit = &iommu->iommu_units[i];
 		for (j = 0; j < iommu_unit->dev_count; j++) {
@@ -1547,7 +1600,7 @@
 		}
 	}
 	kgsl_iommu_lock_rb_in_tlb(mmu);
-	msm_iommu_unlock();
+	_iommu_unlock();
 
 	/* For complete CFF */
 	kgsl_cffdump_setmem(mmu->setstate_memory.gpuaddr +
@@ -1667,12 +1720,12 @@
 				for (j = 0; j < iommu_unit->dev_count; j++) {
 					if (iommu_unit->dev[j].fault) {
 						kgsl_iommu_enable_clk(mmu, j);
-						msm_iommu_lock();
+						_iommu_lock();
 						KGSL_IOMMU_SET_CTX_REG(iommu,
 						iommu_unit,
 						iommu_unit->dev[j].ctx_id,
 						RESUME, 1);
-						msm_iommu_unlock();
+						_iommu_unlock();
 						iommu_unit->dev[j].fault = 0;
 					}
 				}
@@ -1732,9 +1785,7 @@
 					KGSL_IOMMU_CONTEXT_USER,
 					TTBR0);
 	kgsl_iommu_disable_clk_on_ts(mmu, 0, false);
-	return pt_base &
-		(iommu->iommu_reg_list[KGSL_IOMMU_CTX_TTBR0].reg_mask <<
-		iommu->iommu_reg_list[KGSL_IOMMU_CTX_TTBR0].reg_shift);
+	return pt_base & KGSL_IOMMU_CTX_TTBR0_ADDR_MASK;
 }
 
 /*
@@ -1764,15 +1815,14 @@
 		return;
 	}
 	/* Mask off the lsb of the pt base address since lsb will not change */
-	pt_base &= (iommu->iommu_reg_list[KGSL_IOMMU_CTX_TTBR0].reg_mask <<
-			iommu->iommu_reg_list[KGSL_IOMMU_CTX_TTBR0].reg_shift);
+	pt_base &= KGSL_IOMMU_CTX_TTBR0_ADDR_MASK;
 
 	/* For v0 SMMU GPU needs to be idle for tlb invalidate as well */
 	if (msm_soc_version_supports_iommu_v0())
 		kgsl_idle(mmu->device);
 
 	/* Acquire GPU-CPU sync Lock here */
-	msm_iommu_lock();
+	_iommu_lock();
 
 	if (flags & KGSL_MMUFLAGS_PTUPDATE) {
 		if (!msm_soc_version_supports_iommu_v0())
@@ -1795,15 +1845,42 @@
 	}
 	/* Flush tlb */
 	if (flags & KGSL_MMUFLAGS_TLBFLUSH) {
+		unsigned long wait_for_flush;
 		for (i = 0; i < iommu->unit_count; i++) {
 			KGSL_IOMMU_SET_CTX_REG(iommu, (&iommu->iommu_units[i]),
 				KGSL_IOMMU_CONTEXT_USER, TLBIALL, 1);
 			mb();
+			/*
+			 * Wait for flush to complete by polling the flush
+			 * status bit of TLBSTATUS register for not more than
+			 * 2 s. After 2s just exit, at that point the SMMU h/w
+			 * may be stuck and will eventually cause GPU to hang
+			 * or bring the system down.
+			 */
+			if (!msm_soc_version_supports_iommu_v0()) {
+				wait_for_flush = jiffies +
+						msecs_to_jiffies(2000);
+				KGSL_IOMMU_SET_CTX_REG(iommu,
+					(&iommu->iommu_units[i]),
+					KGSL_IOMMU_CONTEXT_USER, TLBSYNC, 0);
+				while (KGSL_IOMMU_GET_CTX_REG(iommu,
+					(&iommu->iommu_units[i]),
+					KGSL_IOMMU_CONTEXT_USER, TLBSTATUS) &
+					(KGSL_IOMMU_CTX_TLBSTATUS_SACTIVE)) {
+					if (time_after(jiffies,
+						wait_for_flush)) {
+						KGSL_DRV_ERR(mmu->device,
+						"Wait limit reached for IOMMU tlb flush\n");
+						break;
+					}
+					cpu_relax();
+				}
+			}
 		}
 	}
 
 	/* Release GPU-CPU sync Lock here */
-	msm_iommu_unlock();
+	_iommu_unlock();
 
 	/* Disable smmu clock */
 	kgsl_iommu_disable_clk_on_ts(mmu, 0, false);
@@ -1816,8 +1893,7 @@
  * @ctx_id - The context ID of the IOMMU ctx
  * @reg - The register for which address is required
  *
- * Return - The number of iommu units which is also the number of register
- * mapped descriptor arrays which the out parameter will have
+ * Return - The gpu address of register which can be used in type3 packet
  */
 static unsigned int kgsl_iommu_get_reg_gpuaddr(struct kgsl_mmu *mmu,
 					int iommu_unit, int ctx_id, int reg)
@@ -1826,10 +1902,25 @@
 
 	if (KGSL_IOMMU_GLOBAL_BASE == reg)
 		return iommu->iommu_units[iommu_unit].reg_map.gpuaddr;
-	else
+
+	if (iommu->iommu_reg_list[reg].ctx_reg)
 		return iommu->iommu_units[iommu_unit].reg_map.gpuaddr +
 			iommu->iommu_reg_list[reg].reg_offset +
 			(ctx_id << KGSL_IOMMU_CTX_SHIFT) + iommu->ctx_offset;
+	else
+		return iommu->iommu_units[iommu_unit].reg_map.gpuaddr +
+			iommu->iommu_reg_list[reg].reg_offset;
+}
+/*
+ * kgsl_iommu_hw_halt_supported - Returns whether IOMMU halt command is
+ * supported
+ * @mmu - Pointer to mmu structure
+ * @iommu_unit - The iommu unit for which the property is requested
+ */
+static int kgsl_iommu_hw_halt_supported(struct kgsl_mmu *mmu, int iommu_unit)
+{
+	struct kgsl_iommu *iommu = mmu->priv;
+	return iommu->iommu_units[iommu_unit].iommu_halt_enable;
 }
 
 static int kgsl_iommu_get_num_iommu_units(struct kgsl_mmu *mmu)
@@ -1851,9 +1942,11 @@
 	.mmu_disable_clk_on_ts = kgsl_iommu_disable_clk_on_ts,
 	.mmu_get_pt_lsb = kgsl_iommu_get_pt_lsb,
 	.mmu_get_reg_gpuaddr = kgsl_iommu_get_reg_gpuaddr,
+	.mmu_get_reg_ahbaddr = kgsl_iommu_get_reg_ahbaddr,
 	.mmu_get_num_iommu_units = kgsl_iommu_get_num_iommu_units,
 	.mmu_pt_equal = kgsl_iommu_pt_equal,
 	.mmu_get_pt_base_addr = kgsl_iommu_get_pt_base_addr,
+	.mmu_hw_halt_supported = kgsl_iommu_hw_halt_supported,
 	/* These callbacks will be set on some chipsets */
 	.mmu_setup_pt = NULL,
 	.mmu_cleanup_pt = NULL,
diff --git a/drivers/gpu/msm/kgsl_iommu.h b/drivers/gpu/msm/kgsl_iommu.h
index c09bc4b..b1b83c0 100644
--- a/drivers/gpu/msm/kgsl_iommu.h
+++ b/drivers/gpu/msm/kgsl_iommu.h
@@ -46,6 +46,16 @@
 #define KGSL_IOMMU_V1_FSYNR0_WNR_MASK		0x00000001
 #define KGSL_IOMMU_V1_FSYNR0_WNR_SHIFT		4
 
+/* TTBR0 register fields */
+#define KGSL_IOMMU_CTX_TTBR0_ADDR_MASK		0xFFFFC000
+
+/* TLBSTATUS register fields */
+#define KGSL_IOMMU_CTX_TLBSTATUS_SACTIVE BIT(0)
+
+/* IMPLDEF_MICRO_MMU_CTRL register fields */
+#define KGSL_IOMMU_IMPLDEF_MICRO_MMU_CTRL_HALT BIT(2)
+#define KGSL_IOMMU_IMPLDEF_MICRO_MMU_CTRL_IDLE BIT(3)
+
 enum kgsl_iommu_reg_map {
 	KGSL_IOMMU_GLOBAL_BASE = 0,
 	KGSL_IOMMU_CTX_TTBR0,
@@ -57,15 +67,31 @@
 	KGSL_IOMMU_CTX_V2PUR,
 	KGSL_IOMMU_CTX_FSYNR0,
 	KGSL_IOMMU_CTX_FSYNR1,
+	KGSL_IOMMU_CTX_TLBSYNC,
+	KGSL_IOMMU_CTX_TLBSTATUS,
+	KGSL_IOMMU_IMPLDEF_MICRO_MMU_CTRL,
 	KGSL_IOMMU_REG_MAX
 };
 
 struct kgsl_iommu_register_list {
 	unsigned int reg_offset;
-	unsigned int reg_mask;
-	unsigned int reg_shift;
+	int ctx_reg;
 };
 
+#ifdef CONFIG_MSM_IOMMU
+extern struct iommu_access_ops iommu_access_ops_v0;
+
+static inline struct iommu_access_ops *get_iommu_access_ops_v0(void)
+{
+	return &iommu_access_ops_v0;
+}
+#else
+static inline struct iommu_access_ops *get_iommu_access_ops_v0(void)
+{
+	return NULL;
+}
+#endif
+
 /*
  * Max number of iommu units that the gpu core can have
  * On APQ8064, KGSL can control a maximum of 2 IOMMU units.
@@ -91,10 +117,8 @@
 		iommu->ctx_offset)
 
 /* Gets the lsb value of pagetable */
-#define KGSL_IOMMMU_PT_LSB(iommu, pt_val) \
-	(pt_val &							\
-	~(iommu->iommu_reg_list[KGSL_IOMMU_CTX_TTBR0].reg_mask <<	\
-	iommu->iommu_reg_list[KGSL_IOMMU_CTX_TTBR0].reg_shift))
+#define KGSL_IOMMMU_PT_LSB(iommu, pt_val)				\
+	(pt_val & ~(KGSL_IOMMU_CTX_TTBR0_ADDR_MASK))
 
 /* offset at which a nop command is placed in setstate_memory */
 #define KGSL_IOMMU_SETSTATE_NOP_OFFSET	1024
@@ -130,11 +154,18 @@
  * @dev_count: Number of IOMMU contexts that are valid in the previous feild
  * @reg_map: Memory descriptor which holds the mapped address of this IOMMU
  * units register range
+ * @ahb_base - The base address from where IOMMU registers can be accesed from
+ * ahb bus
+ * @iommu_halt_enable: Valid only on IOMMU-v1, when set indicates that the iommu
+ * unit supports halting of the IOMMU, which can be enabled while programming
+ * the IOMMU registers for synchronization
  */
 struct kgsl_iommu_unit {
 	struct kgsl_iommu_device dev[KGSL_IOMMU_MAX_DEVS_PER_UNIT];
 	unsigned int dev_count;
 	struct kgsl_memdesc reg_map;
+	unsigned int ahb_base;
+	int iommu_halt_enable;
 };
 
 /*
diff --git a/drivers/gpu/msm/kgsl_mmu.c b/drivers/gpu/msm/kgsl_mmu.c
index 4e95373..6e41707 100644
--- a/drivers/gpu/msm/kgsl_mmu.c
+++ b/drivers/gpu/msm/kgsl_mmu.c
@@ -610,6 +610,7 @@
 	 * kgsl_pwrctrl_irq() is called
 	 */
 }
+EXPORT_SYMBOL(kgsl_mh_start);
 
 int
 kgsl_mmu_map(struct kgsl_pagetable *pagetable,
diff --git a/drivers/gpu/msm/kgsl_mmu.h b/drivers/gpu/msm/kgsl_mmu.h
index d7d9516..ef5b0f4 100644
--- a/drivers/gpu/msm/kgsl_mmu.h
+++ b/drivers/gpu/msm/kgsl_mmu.h
@@ -14,7 +14,7 @@
 #define __KGSL_MMU_H
 
 #include <mach/iommu.h>
-
+#include "kgsl_iommu.h"
 /*
  * These defines control the address range for allocations that
  * are mapped into all pagetables.
@@ -150,6 +150,9 @@
 				enum kgsl_iommu_context_id ctx_id);
 	unsigned int (*mmu_get_reg_gpuaddr)(struct kgsl_mmu *mmu,
 			int iommu_unit_num, int ctx_id, int reg);
+	unsigned int (*mmu_get_reg_ahbaddr)(struct kgsl_mmu *mmu,
+			int iommu_unit_num, int ctx_id,
+			enum kgsl_iommu_reg_map reg);
 	int (*mmu_get_num_iommu_units)(struct kgsl_mmu *mmu);
 	int (*mmu_pt_equal) (struct kgsl_mmu *mmu,
 			struct kgsl_pagetable *pt,
@@ -165,6 +168,7 @@
 			(struct kgsl_mmu *mmu, unsigned int *cmds);
 	unsigned int (*mmu_sync_unlock)
 			(struct kgsl_mmu *mmu, unsigned int *cmds);
+	int (*mmu_hw_halt_supported)(struct kgsl_mmu *mmu, int iommu_unit_num);
 };
 
 struct kgsl_mmu_pt_ops {
@@ -337,6 +341,29 @@
 		return 0;
 }
 
+/*
+ * kgsl_mmu_get_reg_ahbaddr() - Calls the mmu specific function pointer to
+ * return the address that GPU can use to access register
+ * @mmu:		Pointer to the device mmu
+ * @iommu_unit_num:	There can be multiple iommu units used for graphics.
+ *			This parameter is an index to the iommu unit being used
+ * @ctx_id:		The context id within the iommu unit
+ * @reg:		Register whose address is to be returned
+ *
+ * Returns the ahb address of reg else 0
+ */
+static inline unsigned int kgsl_mmu_get_reg_ahbaddr(struct kgsl_mmu *mmu,
+						int iommu_unit_num,
+						int ctx_id,
+						enum kgsl_iommu_reg_map reg)
+{
+	if (mmu->mmu_ops && mmu->mmu_ops->mmu_get_reg_ahbaddr)
+		return mmu->mmu_ops->mmu_get_reg_ahbaddr(mmu, iommu_unit_num,
+							ctx_id, reg);
+	else
+		return 0;
+}
+
 static inline int kgsl_mmu_get_num_iommu_units(struct kgsl_mmu *mmu)
 {
 	if (mmu->mmu_ops && mmu->mmu_ops->mmu_get_num_iommu_units)
@@ -346,6 +373,22 @@
 }
 
 /*
+ * kgsl_mmu_hw_halt_supported() - Runtime check for iommu hw halt
+ * @mmu: the mmu
+ *
+ * Returns non-zero if the iommu supports hw halt,
+ * 0 if not.
+ */
+static inline int kgsl_mmu_hw_halt_supported(struct kgsl_mmu *mmu,
+						int iommu_unit_num)
+{
+	if (mmu->mmu_ops && mmu->mmu_ops->mmu_hw_halt_supported)
+		return mmu->mmu_ops->mmu_hw_halt_supported(mmu, iommu_unit_num);
+	else
+		return 0;
+}
+
+/*
  * kgsl_mmu_is_perprocess() - Runtime check for per-process
  * pagetables.
  * @mmu: the mmu
diff --git a/drivers/gpu/msm/kgsl_pwrctrl.c b/drivers/gpu/msm/kgsl_pwrctrl.c
index 2f8d93e..b124257 100644
--- a/drivers/gpu/msm/kgsl_pwrctrl.c
+++ b/drivers/gpu/msm/kgsl_pwrctrl.c
@@ -18,6 +18,7 @@
 #include <mach/msm_iomap.h>
 #include <mach/msm_bus.h>
 #include <linux/ktime.h>
+#include <linux/delay.h>
 
 #include "kgsl.h"
 #include "kgsl_pwrscale.h"
@@ -33,6 +34,16 @@
 #define UPDATE_BUSY_VAL		1000000
 #define UPDATE_BUSY		50
 
+/*
+ * Expected delay for post-interrupt processing on A3xx.
+ * The delay may be longer, gradually increase the delay
+ * to compensate.  If the GPU isn't done by max delay,
+ * it's working on something other than just the final
+ * command sequence so stop waiting for it to be idle.
+ */
+#define INIT_UDELAY		200
+#define MAX_UDELAY		2000
+
 struct clk_pair {
 	const char *name;
 	uint map;
@@ -59,6 +70,10 @@
 		.name = "mem_iface_clk",
 		.map = KGSL_CLK_MEM_IFACE,
 	},
+	{
+		.name = "alt_mem_iface_clk",
+		.map = KGSL_CLK_ALT_MEM_IFACE,
+	},
 };
 
 /* Update the elapsed time at a particular clock level
@@ -1055,8 +1070,18 @@
 	pwr->power_flags = 0;
 }
 
+/**
+ * kgsl_idle_check() - Work function for GPU interrupts and idle timeouts.
+ * @device: The device
+ *
+ * This function is called for work that is queued by the interrupt
+ * handler or the idle timer. It attempts to transition to a clocks
+ * off state if the active_cnt is 0 and the hardware is idle.
+ */
 void kgsl_idle_check(struct work_struct *work)
 {
+	int delay = INIT_UDELAY;
+	int requested_state;
 	struct kgsl_device *device = container_of(work, struct kgsl_device,
 							idle_check_ws);
 	WARN_ON(device == NULL);
@@ -1064,21 +1089,52 @@
 		return;
 
 	mutex_lock(&device->mutex);
-	if (device->state & (KGSL_STATE_ACTIVE | KGSL_STATE_NAP)) {
-		kgsl_pwrscale_idle(device);
 
-		if (kgsl_pwrctrl_sleep(device) != 0) {
+	kgsl_pwrscale_idle(device);
+
+	if (device->state == KGSL_STATE_ACTIVE
+		   || device->state ==  KGSL_STATE_NAP) {
+		/*
+		 * If no user is explicitly trying to use the GPU
+		 * (active_cnt is zero), then loop with increasing delay,
+		 * waiting for the GPU to become idle.
+		 */
+		while (!device->active_cnt && delay < MAX_UDELAY) {
+			requested_state = device->requested_state;
+			if (!kgsl_pwrctrl_sleep(device))
+				break;
+			/*
+			 * If no new commands have been issued since the
+			 * last interrupt, stay in this loop waiting for
+			 * the GPU to become idle.
+			 */
+			if (!device->pwrctrl.irq_last)
+				break;
+			kgsl_pwrctrl_request_state(device, requested_state);
+			mutex_unlock(&device->mutex);
+			udelay(delay);
+			delay *= 2;
+			mutex_lock(&device->mutex);
+		}
+
+
+		kgsl_pwrctrl_request_state(device, KGSL_STATE_NONE);
+		if (device->state == KGSL_STATE_ACTIVE) {
 			mod_timer(&device->idle_timer,
 					jiffies +
 					device->pwrctrl.interval_timeout);
-			/* If the GPU has been too busy to sleep, make sure *
-			 * that is acurately reflected in the % busy numbers. */
+			/*
+			 * If the GPU has been too busy to sleep, make sure
+			 * that is acurately reflected in the % busy numbers.
+			 */
 			device->pwrctrl.clk_stats.no_nap_cnt++;
 			if (device->pwrctrl.clk_stats.no_nap_cnt >
 							 UPDATE_BUSY) {
 				kgsl_pwrctrl_busy_time(device, true);
 				device->pwrctrl.clk_stats.no_nap_cnt = 0;
 			}
+		} else {
+			device->pwrctrl.irq_last = 0;
 		}
 	} else if (device->state & (KGSL_STATE_HUNG |
 					KGSL_STATE_DUMP_AND_FT)) {
@@ -1087,6 +1143,7 @@
 
 	mutex_unlock(&device->mutex);
 }
+EXPORT_SYMBOL(kgsl_idle_check);
 
 void kgsl_timer(unsigned long data)
 {
@@ -1104,54 +1161,26 @@
 	}
 }
 
+
+/**
+ * kgsl_pre_hwaccess - Enforce preconditions for touching registers
+ * @device: The device
+ *
+ * This function ensures that the correct lock is held and that the GPU
+ * clock is on immediately before a register is read or written. Note
+ * that this function does not check active_cnt because the registers
+ * must be accessed during device start and stop, when the active_cnt
+ * may legitimately be 0.
+ */
 void kgsl_pre_hwaccess(struct kgsl_device *device)
 {
+	/* In order to touch a register you must hold the device mutex...*/
 	BUG_ON(!mutex_is_locked(&device->mutex));
-	switch (device->state) {
-	case KGSL_STATE_ACTIVE:
-		return;
-	case KGSL_STATE_NAP:
-	case KGSL_STATE_SLEEP:
-	case KGSL_STATE_SLUMBER:
-		kgsl_pwrctrl_wake(device);
-		break;
-	case KGSL_STATE_SUSPEND:
-		kgsl_check_suspended(device);
-		break;
-	case KGSL_STATE_INIT:
-	case KGSL_STATE_HUNG:
-	case KGSL_STATE_DUMP_AND_FT:
-		if (test_bit(KGSL_PWRFLAGS_CLK_ON,
-					 &device->pwrctrl.power_flags))
-			break;
-		else
-			KGSL_PWR_ERR(device,
-					"hw access while clocks off from state %d\n",
-					device->state);
-		break;
-	default:
-		KGSL_PWR_ERR(device, "hw access while in unknown state %d\n",
-					 device->state);
-		break;
-	}
+	/* and have the clock on! */
+	BUG_ON(!test_bit(KGSL_PWRFLAGS_CLK_ON, &device->pwrctrl.power_flags));
 }
 EXPORT_SYMBOL(kgsl_pre_hwaccess);
 
-void kgsl_check_suspended(struct kgsl_device *device)
-{
-	if (device->requested_state == KGSL_STATE_SUSPEND ||
-				device->state == KGSL_STATE_SUSPEND) {
-		mutex_unlock(&device->mutex);
-		wait_for_completion(&device->hwaccess_gate);
-		mutex_lock(&device->mutex);
-	} else if (device->state == KGSL_STATE_DUMP_AND_FT) {
-		mutex_unlock(&device->mutex);
-		wait_for_completion(&device->ft_gate);
-		mutex_lock(&device->mutex);
-	} else if (device->state == KGSL_STATE_SLUMBER)
-		kgsl_pwrctrl_wake(device);
-}
-
 static int
 _nap(struct kgsl_device *device)
 {
@@ -1230,6 +1259,8 @@
 	case KGSL_STATE_NAP:
 	case KGSL_STATE_SLEEP:
 		del_timer_sync(&device->idle_timer);
+		/* make sure power is on to stop the device*/
+		kgsl_pwrctrl_enable(device);
 		device->ftbl->suspend_context(device);
 		device->ftbl->stop(device);
 		_sleep_accounting(device);
@@ -1278,9 +1309,9 @@
 
 /******************************************************************/
 /* Caller must hold the device mutex. */
-void kgsl_pwrctrl_wake(struct kgsl_device *device)
+int kgsl_pwrctrl_wake(struct kgsl_device *device)
 {
-	int status;
+	int status = 0;
 	unsigned int context_id;
 	unsigned int state = device->state;
 	unsigned int ts_processed = 0xdeaddead;
@@ -1329,8 +1360,10 @@
 		KGSL_PWR_WARN(device, "unhandled state %s\n",
 				kgsl_pwrstate_to_str(device->state));
 		kgsl_pwrctrl_request_state(device, KGSL_STATE_NONE);
+		status = -EINVAL;
 		break;
 	}
+	return status;
 }
 EXPORT_SYMBOL(kgsl_pwrctrl_wake);
 
@@ -1396,3 +1429,124 @@
 }
 EXPORT_SYMBOL(kgsl_pwrstate_to_str);
 
+
+/**
+ * kgsl_active_count_get() - Increase the device active count
+ * @device: Pointer to a KGSL device
+ *
+ * Increase the active count for the KGSL device and turn on
+ * clocks if this is the first reference. Code paths that need
+ * to touch the hardware or wait for the hardware to complete
+ * an operation must hold an active count reference until they
+ * are finished. An error code will be returned if waking the
+ * device fails. The device mutex must be held while *calling
+ * this function.
+ */
+int kgsl_active_count_get(struct kgsl_device *device)
+{
+	int ret = 0;
+	BUG_ON(!mutex_is_locked(&device->mutex));
+
+	if (device->active_cnt == 0) {
+		if (device->requested_state == KGSL_STATE_SUSPEND ||
+				device->state == KGSL_STATE_SUSPEND) {
+			mutex_unlock(&device->mutex);
+			wait_for_completion(&device->hwaccess_gate);
+			mutex_lock(&device->mutex);
+		} else if (device->state == KGSL_STATE_DUMP_AND_FT) {
+			mutex_unlock(&device->mutex);
+			wait_for_completion(&device->ft_gate);
+			mutex_lock(&device->mutex);
+		}
+		ret = kgsl_pwrctrl_wake(device);
+	}
+	if (ret == 0)
+		device->active_cnt++;
+	return ret;
+}
+EXPORT_SYMBOL(kgsl_active_count_get);
+
+/**
+ * kgsl_active_count_get_light() - Increase the device active count
+ * @device: Pointer to a KGSL device
+ *
+ * Increase the active count for the KGSL device WITHOUT
+ * turning on the clocks. Currently this is only used for creating
+ * kgsl_events. The device mutex must be held while calling this function.
+ */
+int kgsl_active_count_get_light(struct kgsl_device *device)
+{
+	BUG_ON(!mutex_is_locked(&device->mutex));
+
+	if (device->state != KGSL_STATE_ACTIVE) {
+		dev_WARN_ONCE(device->dev, 1, "device in unexpected state %s\n",
+				kgsl_pwrstate_to_str(device->state));
+		return -EINVAL;
+	}
+
+	if (device->active_cnt == 0) {
+		dev_WARN_ONCE(device->dev, 1, "active count is 0!\n");
+		return -EINVAL;
+	}
+
+	device->active_cnt++;
+	return 0;
+}
+EXPORT_SYMBOL(kgsl_active_count_get_light);
+
+/**
+ * kgsl_active_count_put() - Decrease the device active count
+ * @device: Pointer to a KGSL device
+ *
+ * Decrease the active count for the KGSL device and turn off
+ * clocks if there are no remaining references. This function will
+ * transition the device to NAP if there are no other pending state
+ * changes. It also completes the suspend gate.  The device mutex must
+ * be held while calling this function.
+ */
+void kgsl_active_count_put(struct kgsl_device *device)
+{
+	BUG_ON(!mutex_is_locked(&device->mutex));
+	BUG_ON(device->active_cnt == 0);
+
+	kgsl_pwrscale_idle(device);
+	if (device->active_cnt > 1) {
+		device->active_cnt--;
+		return;
+	}
+
+	INIT_COMPLETION(device->suspend_gate);
+
+	if (device->pwrctrl.nap_allowed == true &&
+			(device->state == KGSL_STATE_ACTIVE &&
+			device->requested_state == KGSL_STATE_NONE)) {
+		kgsl_pwrctrl_request_state(device, KGSL_STATE_NAP);
+		if (kgsl_pwrctrl_sleep(device) && device->pwrctrl.irq_last) {
+			kgsl_pwrctrl_request_state(device, KGSL_STATE_NAP);
+			queue_work(device->work_queue, &device->idle_check_ws);
+		}
+	}
+	device->active_cnt--;
+
+	if (device->active_cnt == 0)
+		complete(&device->suspend_gate);
+}
+EXPORT_SYMBOL(kgsl_active_count_put);
+
+/**
+ * kgsl_active_count_wait() - Wait for activity to finish.
+ * @device: Pointer to a KGSL device
+ *
+ * Block until all active_cnt users put() their reference.
+ */
+void kgsl_active_count_wait(struct kgsl_device *device)
+{
+	BUG_ON(!mutex_is_locked(&device->mutex));
+
+	if (device->active_cnt != 0) {
+		mutex_unlock(&device->mutex);
+		wait_for_completion(&device->suspend_gate);
+		mutex_lock(&device->mutex);
+	}
+}
+EXPORT_SYMBOL(kgsl_active_count_wait);
diff --git a/drivers/gpu/msm/kgsl_pwrctrl.h b/drivers/gpu/msm/kgsl_pwrctrl.h
index ced52e1..b3e8702 100644
--- a/drivers/gpu/msm/kgsl_pwrctrl.h
+++ b/drivers/gpu/msm/kgsl_pwrctrl.h
@@ -23,7 +23,7 @@
 #define KGSL_PWRLEVEL_NOMINAL 1
 #define KGSL_PWRLEVEL_LAST_OFFSET 2
 
-#define KGSL_MAX_CLKS 5
+#define KGSL_MAX_CLKS 6
 
 struct platform_device;
 
@@ -91,6 +91,7 @@
 	struct pm_qos_request pm_qos_req_dma;
 	unsigned int pm_qos_latency;
 	unsigned int step_mul;
+	unsigned int irq_last;
 };
 
 void kgsl_pwrctrl_irq(struct kgsl_device *device, int state);
@@ -99,9 +100,8 @@
 void kgsl_timer(unsigned long data);
 void kgsl_idle_check(struct work_struct *work);
 void kgsl_pre_hwaccess(struct kgsl_device *device);
-void kgsl_check_suspended(struct kgsl_device *device);
 int kgsl_pwrctrl_sleep(struct kgsl_device *device);
-void kgsl_pwrctrl_wake(struct kgsl_device *device);
+int kgsl_pwrctrl_wake(struct kgsl_device *device);
 void kgsl_pwrctrl_pwrlevel_change(struct kgsl_device *device,
 	unsigned int level);
 int kgsl_pwrctrl_init_sysfs(struct kgsl_device *device);
@@ -115,4 +115,10 @@
 
 void kgsl_pwrctrl_set_state(struct kgsl_device *device, unsigned int state);
 void kgsl_pwrctrl_request_state(struct kgsl_device *device, unsigned int state);
+
+int kgsl_active_count_get(struct kgsl_device *device);
+int kgsl_active_count_get_light(struct kgsl_device *device);
+void kgsl_active_count_put(struct kgsl_device *device);
+void kgsl_active_count_wait(struct kgsl_device *device);
+
 #endif /* __KGSL_PWRCTRL_H */
diff --git a/drivers/gpu/msm/kgsl_pwrscale.c b/drivers/gpu/msm/kgsl_pwrscale.c
index 02ada38..afef62e 100644
--- a/drivers/gpu/msm/kgsl_pwrscale.c
+++ b/drivers/gpu/msm/kgsl_pwrscale.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2010-2012, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2010-2013, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -240,6 +240,7 @@
 		device->pwrscale.policy->busy(device,
 				&device->pwrscale);
 }
+EXPORT_SYMBOL(kgsl_pwrscale_busy);
 
 void kgsl_pwrscale_idle(struct kgsl_device *device)
 {
diff --git a/drivers/gpu/msm/kgsl_pwrscale_trustzone.c b/drivers/gpu/msm/kgsl_pwrscale_trustzone.c
index 9b2ac70..5d5d5b1 100644
--- a/drivers/gpu/msm/kgsl_pwrscale_trustzone.c
+++ b/drivers/gpu/msm/kgsl_pwrscale_trustzone.c
@@ -31,6 +31,7 @@
 	unsigned int no_switch_cnt;
 	unsigned int skip_cnt;
 	struct kgsl_power_stats bin;
+	unsigned int idle_dcvs;
 };
 spinlock_t tz_lock;
 
@@ -47,24 +48,32 @@
 #define SKIP_COUNTER		500
 #define TZ_RESET_ID		0x3
 #define TZ_UPDATE_ID		0x4
+#define TZ_INIT_ID		0x6
 
-#ifdef CONFIG_MSM_SCM
 /* Trap into the TrustZone, and call funcs there. */
-static int __secure_tz_entry(u32 cmd, u32 val, u32 id)
+static int __secure_tz_entry2(u32 cmd, u32 val1, u32 val2)
 {
 	int ret;
 	spin_lock(&tz_lock);
+	/* sync memory before sending the commands to tz*/
 	__iowmb();
-	ret = scm_call_atomic2(SCM_SVC_IO, cmd, val, id);
+	ret = scm_call_atomic2(SCM_SVC_IO, cmd, val1, val2);
 	spin_unlock(&tz_lock);
 	return ret;
 }
-#else
-static int __secure_tz_entry(u32 cmd, u32 val, u32 id)
+
+static int __secure_tz_entry3(u32 cmd, u32 val1, u32 val2,
+				u32 val3)
 {
-	return 0;
+	int ret;
+	spin_lock(&tz_lock);
+	/* sync memory before sending the commands to tz*/
+	__iowmb();
+	ret = scm_call_atomic3(SCM_SVC_IO, cmd, val1, val2,
+				val3);
+	spin_unlock(&tz_lock);
+	return ret;
 }
-#endif /* CONFIG_MSM_SCM */
 
 static ssize_t tz_governor_show(struct kgsl_device *device,
 				struct kgsl_pwrscale *pwrscale,
@@ -172,11 +181,21 @@
 	 */
 	if (priv->bin.busy_time > CEILING) {
 		val = -1;
-	} else {
+	} else if (priv->idle_dcvs) {
 		idle = priv->bin.total_time - priv->bin.busy_time;
 		idle = (idle > 0) ? idle : 0;
-		val = __secure_tz_entry(TZ_UPDATE_ID, idle, device->id);
+		val = __secure_tz_entry2(TZ_UPDATE_ID, idle, device->id);
+	} else {
+		if (pwr->step_mul > 1)
+			val = __secure_tz_entry3(TZ_UPDATE_ID,
+				(pwr->active_pwrlevel + 1)/2,
+				priv->bin.total_time, priv->bin.busy_time);
+		else
+			val = __secure_tz_entry3(TZ_UPDATE_ID,
+				pwr->active_pwrlevel,
+				priv->bin.total_time, priv->bin.busy_time);
 	}
+
 	priv->bin.total_time = 0;
 	priv->bin.busy_time = 0;
 
@@ -201,7 +220,7 @@
 {
 	struct tz_priv *priv = pwrscale->priv;
 
-	__secure_tz_entry(TZ_RESET_ID, 0, device->id);
+	__secure_tz_entry2(TZ_RESET_ID, 0, 0);
 	priv->no_switch_cnt = 0;
 	priv->bin.total_time = 0;
 	priv->bin.busy_time = 0;
@@ -210,16 +229,32 @@
 #ifdef CONFIG_MSM_SCM
 static int tz_init(struct kgsl_device *device, struct kgsl_pwrscale *pwrscale)
 {
+	int i = 0, j = 1, ret = 0;
 	struct tz_priv *priv;
+	struct kgsl_pwrctrl *pwr = &device->pwrctrl;
+	unsigned int tz_pwrlevels[KGSL_MAX_PWRLEVELS + 1];
 
 	priv = pwrscale->priv = kzalloc(sizeof(struct tz_priv), GFP_KERNEL);
 	if (pwrscale->priv == NULL)
 		return -ENOMEM;
-
+	priv->idle_dcvs = 0;
 	priv->governor = TZ_GOVERNOR_ONDEMAND;
 	spin_lock_init(&tz_lock);
 	kgsl_pwrscale_policy_add_files(device, pwrscale, &tz_attr_group);
-
+	for (i = 0; i < pwr->num_pwrlevels - 1; i++) {
+		if (i == 0)
+			tz_pwrlevels[j] = pwr->pwrlevels[i].gpu_freq;
+		else if (pwr->pwrlevels[i].gpu_freq !=
+				pwr->pwrlevels[i - 1].gpu_freq) {
+			j++;
+			tz_pwrlevels[j] = pwr->pwrlevels[i].gpu_freq;
+		}
+	}
+	tz_pwrlevels[0] = j;
+	ret = scm_call(SCM_SVC_DCVS, TZ_INIT_ID, tz_pwrlevels,
+				sizeof(tz_pwrlevels), NULL, 0);
+	if (ret)
+		priv->idle_dcvs = 1;
 	return 0;
 }
 #else
diff --git a/drivers/gpu/msm/kgsl_sharedmem.c b/drivers/gpu/msm/kgsl_sharedmem.c
index 595f78f..62db513 100644
--- a/drivers/gpu/msm/kgsl_sharedmem.c
+++ b/drivers/gpu/msm/kgsl_sharedmem.c
@@ -607,16 +607,22 @@
 
 	while (len > 0) {
 		struct page *page;
-		unsigned int gfp_mask = GFP_KERNEL | __GFP_HIGHMEM |
-			__GFP_NOWARN | __GFP_NORETRY;
+		unsigned int gfp_mask = __GFP_HIGHMEM;
 		int j;
 
 		/* don't waste space at the end of the allocation*/
 		if (len < page_size)
 			page_size = PAGE_SIZE;
 
+		/*
+		 * Don't do some of the more aggressive memory recovery
+		 * techniques for large order allocations
+		 */
 		if (page_size != PAGE_SIZE)
-			gfp_mask |= __GFP_COMP;
+			gfp_mask |= __GFP_COMP | __GFP_NORETRY |
+				__GFP_NO_KSWAPD | __GFP_NOWARN;
+		else
+			gfp_mask |= GFP_KERNEL | __GFP_NORETRY;
 
 		page = alloc_pages(gfp_mask, get_order(page_size));
 
diff --git a/drivers/gpu/msm/kgsl_snapshot.c b/drivers/gpu/msm/kgsl_snapshot.c
index 4c9c744..abcebfb 100644
--- a/drivers/gpu/msm/kgsl_snapshot.c
+++ b/drivers/gpu/msm/kgsl_snapshot.c
@@ -325,6 +325,7 @@
 
 	return 0;
 }
+EXPORT_SYMBOL(kgsl_snapshot_have_object);
 
 /* kgsl_snapshot_get_object - Mark a GPU buffer to be frozen
  * @device - the device that is being snapshotted
diff --git a/drivers/gpu/msm/z180.c b/drivers/gpu/msm/z180.c
index a07959b..49265fc 100644
--- a/drivers/gpu/msm/z180.c
+++ b/drivers/gpu/msm/z180.c
@@ -17,7 +17,6 @@
 #include "kgsl.h"
 #include "kgsl_cffdump.h"
 #include "kgsl_sharedmem.h"
-#include "kgsl_trace.h"
 
 #include "z180.h"
 #include "z180_reg.h"
@@ -485,7 +484,7 @@
 	z180_cmdwindow_write(device, ADDR_VGV3_CONTROL, 0);
 error:
 
-	trace_kgsl_issueibcmds(device, context->id, ibdesc, numibs,
+	kgsl_trace_issueibcmds(device, context->id, ibdesc, numibs,
 		*timestamp, ctrl, result, 0);
 
 	return (int)result;
diff --git a/drivers/hwmon/qpnp-adc-common.c b/drivers/hwmon/qpnp-adc-common.c
index 1458bc5..b3b5643 100644
--- a/drivers/hwmon/qpnp-adc-common.c
+++ b/drivers/hwmon/qpnp-adc-common.c
@@ -638,20 +638,21 @@
 {
 	struct qpnp_vadc_linear_graph vbatt_param;
 	int rc = 0;
+	int64_t low_thr = 0, high_thr = 0;
 
 	rc = qpnp_get_vadc_gain_and_offset(&vbatt_param, CALIB_ABSOLUTE);
 	if (rc < 0)
 		return rc;
 
-	*low_threshold = (((param->low_thr/3) - QPNP_ADC_625_UV) *
+	low_thr = (((param->low_thr/3) - QPNP_ADC_625_UV) *
 				vbatt_param.dy);
-	do_div(*low_threshold, QPNP_ADC_625_UV);
-	*low_threshold += vbatt_param.adc_gnd;
+	do_div(low_thr, QPNP_ADC_625_UV);
+	*low_threshold = low_thr + vbatt_param.adc_gnd;
 
-	*high_threshold = (((param->high_thr/3) - QPNP_ADC_625_UV) *
+	high_thr = (((param->high_thr/3) - QPNP_ADC_625_UV) *
 				vbatt_param.dy);
-	do_div(*high_threshold, QPNP_ADC_625_UV);
-	*high_threshold += vbatt_param.adc_gnd;
+	do_div(high_thr, QPNP_ADC_625_UV);
+	*high_threshold = high_thr + vbatt_param.adc_gnd;
 
 	pr_debug("high_volt:%d, low_volt:%d\n", param->high_thr,
 				param->low_thr);
diff --git a/drivers/hwmon/qpnp-adc-current.c b/drivers/hwmon/qpnp-adc-current.c
index 0b02a34..66811bf 100644
--- a/drivers/hwmon/qpnp-adc-current.c
+++ b/drivers/hwmon/qpnp-adc-current.c
@@ -129,6 +129,7 @@
 struct qpnp_iadc_drv {
 	struct qpnp_adc_drv			*adc;
 	int32_t					rsense;
+	bool					external_rsense;
 	struct device				*iadc_hwmon;
 	bool					iadc_initialized;
 	int64_t					die_temp_calib_offset;
@@ -543,6 +544,9 @@
 	if (!iadc || !iadc->iadc_initialized)
 		return -EPROBE_DEFER;
 
+	if (iadc->external_rsense)
+		*rsense = iadc->rsense;
+
 	rc = qpnp_iadc_read_reg(QPNP_IADC_NOMINAL_RSENSE, &rslt_rsense);
 	if (rc < 0) {
 		pr_err("qpnp adc rsense read failed with %d\n", rc);
@@ -571,15 +575,21 @@
 {
 	struct qpnp_iadc_drv *iadc = qpnp_iadc;
 	struct qpnp_vadc_result result_pmic_therm;
+	int64_t die_temp_offset;
 	int rc = 0;
 
 	rc = qpnp_vadc_read(DIE_TEMP, &result_pmic_therm);
 	if (rc < 0)
 		return rc;
 
-	if (((uint64_t) (result_pmic_therm.physical -
-				iadc->die_temp_calib_offset))
-			> QPNP_IADC_DIE_TEMP_CALIB_OFFSET) {
+	die_temp_offset = result_pmic_therm.physical -
+			iadc->die_temp_calib_offset;
+	if (die_temp_offset < 0)
+		die_temp_offset = -die_temp_offset;
+
+	if (die_temp_offset > QPNP_IADC_DIE_TEMP_CALIB_OFFSET) {
+		iadc->die_temp_calib_offset =
+			result_pmic_therm.physical;
 		rc = qpnp_iadc_calibrate_for_trim();
 		if (rc)
 			pr_err("periodic IADC calibration failed\n");
@@ -822,9 +832,11 @@
 
 	rc = of_property_read_u32(node, "qcom,rsense",
 			&iadc->rsense);
-	if (rc) {
-		pr_err("Invalid rsens reference property\n");
-		goto fail;
+	if (rc)
+		pr_debug("Defaulting to internal rsense\n");
+	else {
+		pr_debug("Use external rsense\n");
+		iadc->external_rsense = true;
 	}
 
 	rc = devm_request_irq(&spmi->dev, iadc->adc->adc_irq_eoc,
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index 0ea230a..29b269a 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -128,6 +128,7 @@
 #define MXT_SPT_DIGITIZER_T43		43
 #define MXT_SPT_MESSAGECOUNT_T44	44
 #define MXT_SPT_CTECONFIG_T46		46
+#define MXT_SPT_EXTRANOISESUPCTRLS_T58	58
 #define MXT_SPT_TIMER_T61		61
 
 /* MXT_GEN_COMMAND_T6 field */
@@ -396,6 +397,7 @@
 	atomic_t st_enabled;
 	atomic_t st_pending_irqs;
 	struct completion st_completion;
+	struct completion st_powerdown;
 #endif
 };
 
@@ -432,6 +434,7 @@
 	case MXT_SPT_USERDATA_T38:
 	case MXT_SPT_DIGITIZER_T43:
 	case MXT_SPT_CTECONFIG_T46:
+	case MXT_SPT_EXTRANOISESUPCTRLS_T58:
 	case MXT_SPT_TIMER_T61:
 	case MXT_PROCI_ADAPTIVETHRESHOLD_T55:
 		return true;
@@ -469,6 +472,7 @@
 	case MXT_SPT_USERDATA_T38:
 	case MXT_SPT_DIGITIZER_T43:
 	case MXT_SPT_CTECONFIG_T46:
+	case MXT_SPT_EXTRANOISESUPCTRLS_T58:
 	case MXT_SPT_TIMER_T61:
 	case MXT_PROCI_ADAPTIVETHRESHOLD_T55:
 		return true;
@@ -998,8 +1002,8 @@
 static irqreturn_t mxt_filter_interrupt(struct mxt_data *data)
 {
 	if (atomic_read(&data->st_enabled)) {
-		atomic_cmpxchg(&data->st_pending_irqs, 0, 1);
-		complete(&data->st_completion);
+		if (atomic_cmpxchg(&data->st_pending_irqs, 0, 1) == 0)
+			complete(&data->st_completion);
 		return IRQ_HANDLED;
 	}
 	return IRQ_NONE;
@@ -1993,6 +1997,7 @@
 		atomic_set(&data->st_enabled, 0);
 		complete(&data->st_completion);
 		mxt_interrupt(data->client->irq, data);
+		complete(&data->st_powerdown);
 		break;
 	case 1:
 		if (atomic_read(&data->st_enabled)) {
@@ -2005,6 +2010,8 @@
 			err = -EIO;
 			break;
 		}
+		INIT_COMPLETION(data->st_completion);
+		INIT_COMPLETION(data->st_powerdown);
 		atomic_set(&data->st_pending_irqs, 0);
 		atomic_set(&data->st_enabled, 1);
 		break;
@@ -2032,7 +2039,7 @@
 		return err;
 
 	if (atomic_cmpxchg(&data->st_pending_irqs, 1, 0) != 1)
-		return -EBADF;
+		return -EINVAL;
 
 	return scnprintf(buf, PAGE_SIZE, "%u", 1);
 }
@@ -2061,9 +2068,25 @@
 	.attrs = mxt_attrs,
 };
 
+
+#if defined(CONFIG_SECURE_TOUCH)
+static void mxt_secure_touch_stop(struct mxt_data *data)
+{
+	if (atomic_read(&data->st_enabled)) {
+		complete(&data->st_completion);
+		wait_for_completion_interruptible(&data->st_powerdown);
+	}
+}
+#else
+static void mxt_secure_touch_stop(struct mxt_data *data)
+{
+}
+#endif
+
 static int mxt_start(struct mxt_data *data)
 {
 	int error;
+	mxt_secure_touch_stop(data);
 
 	/* restore the old power state values and reenable touch */
 	error = __mxt_write_reg(data->client, data->t7_start_addr,
@@ -2081,6 +2104,7 @@
 {
 	int error;
 	u8 t7_data[T7_DATA_SIZE] = {0};
+	mxt_secure_touch_stop(data);
 
 	error = __mxt_write_reg(data->client, data->t7_start_addr,
 				T7_DATA_SIZE, t7_data);
@@ -2462,6 +2486,7 @@
 
 	/* calibrate */
 	if (data->pdata->need_calibration) {
+		mxt_secure_touch_stop(data);
 		error = mxt_write_object(data, MXT_GEN_COMMAND_T6,
 					MXT_COMMAND_CALIBRATE, 1);
 		if (error < 0)
@@ -2797,12 +2822,13 @@
 #endif
 
 #if defined(CONFIG_SECURE_TOUCH)
-static void __devinit secure_touch_init(struct mxt_data *data)
+static void __devinit mxt_secure_touch_init(struct mxt_data *data)
 {
 	init_completion(&data->st_completion);
+	init_completion(&data->st_powerdown);
 }
 #else
-static void __devinit secure_touch_init(struct mxt_data *data)
+static void __devinit mxt_secure_touch_init(struct mxt_data *data)
 {
 }
 #endif
@@ -2999,7 +3025,7 @@
 
 	mxt_debugfs_init(data);
 
-	secure_touch_init(data);
+	mxt_secure_touch_init(data);
 
 	return 0;
 
diff --git a/drivers/input/touchscreen/synaptics_i2c_rmi4.c b/drivers/input/touchscreen/synaptics_i2c_rmi4.c
index 417ef83..4a021e1 100644
--- a/drivers/input/touchscreen/synaptics_i2c_rmi4.c
+++ b/drivers/input/touchscreen/synaptics_i2c_rmi4.c
@@ -34,6 +34,9 @@
 
 #define DRIVER_NAME "synaptics_rmi4_i2c"
 #define INPUT_PHYS_NAME "synaptics_rmi4_i2c/input0"
+
+#define RESET_DELAY 100
+
 #define TYPE_B_PROTOCOL
 
 #define NO_0D_WHILE_2D
@@ -68,6 +71,16 @@
 #define NO_SLEEP_OFF (0 << 2)
 #define NO_SLEEP_ON (1 << 2)
 
+enum device_status {
+	STATUS_NO_ERROR = 0x00,
+	STATUS_RESET_OCCURED = 0x01,
+	STATUS_INVALID_CONFIG = 0x02,
+	STATUS_DEVICE_FAILURE = 0x03,
+	STATUS_CONFIG_CRC_FAILURE = 0x04,
+	STATUS_FIRMWARE_CRC_FAILURE = 0x05,
+	STATUS_CRC_IN_PROGRESS = 0x06
+};
+
 #define RMI4_VTG_MIN_UV		2700000
 #define RMI4_VTG_MAX_UV		3300000
 #define RMI4_ACTIVE_LOAD_UA	15000
@@ -79,7 +92,6 @@
 #define RMI4_I2C_LPM_LOAD_UA	10
 
 #define RMI4_GPIO_SLEEP_LOW_US 10000
-#define RMI4_GPIO_WAIT_HIGH_MS 25
 
 static int synaptics_rmi4_i2c_read(struct synaptics_rmi4_data *rmi4_data,
 		unsigned short addr, unsigned char *data,
@@ -91,6 +103,10 @@
 
 static int synaptics_rmi4_reset_device(struct synaptics_rmi4_data *rmi4_data);
 
+#ifdef CONFIG_PM
+static int synaptics_rmi4_suspend(struct device *dev);
+
+static int synaptics_rmi4_resume(struct device *dev);
 #ifdef CONFIG_HAS_EARLYSUSPEND
 static ssize_t synaptics_rmi4_full_pm_cycle_show(struct device *dev,
 		struct device_attribute *attr, char *buf);
@@ -101,10 +117,7 @@
 static void synaptics_rmi4_early_suspend(struct early_suspend *h);
 
 static void synaptics_rmi4_late_resume(struct early_suspend *h);
-
-static int synaptics_rmi4_suspend(struct device *dev);
-
-static int synaptics_rmi4_resume(struct device *dev);
+#endif
 #endif
 
 static ssize_t synaptics_rmi4_f01_reset_store(struct device *dev,
@@ -1482,6 +1495,16 @@
 				if (retval < 0)
 					return retval;
 
+				while (status.status_code == STATUS_CRC_IN_PROGRESS) {
+					msleep(1);
+					retval = synaptics_rmi4_i2c_read(rmi4_data,
+						rmi4_data->f01_data_base_addr,
+						status.data,
+						sizeof(status.data));
+					if (retval < 0)
+						return retval;
+				}
+
 				if (status.flash_prog == 1) {
 					pr_notice("%s: In flash prog mode, status = 0x%02x\n",
 							__func__,
@@ -1645,7 +1668,7 @@
 		return retval;
 	}
 
-	msleep(100);
+	msleep(RESET_DELAY);
 	return retval;
 };
 
@@ -1816,7 +1839,7 @@
 				RMI4_VTG_MIN_UV, RMI4_VTG_MAX_UV);
 			if (retval) {
 				dev_err(&rmi4_data->i2c_client->dev,
-					"regulator set_vtg failed retval=%d\n",
+					"regulator set_vtg failed retval =%d\n",
 					retval);
 				goto err_set_vtg_vdd;
 			}
@@ -1839,7 +1862,7 @@
 				RMI4_I2C_VTG_MIN_UV, RMI4_I2C_VTG_MAX_UV);
 			if (retval) {
 				dev_err(&rmi4_data->i2c_client->dev,
-					"reg set i2c vtg failed retval=%d\n",
+					"reg set i2c vtg failed retval =%d\n",
 					retval);
 			goto err_set_vtg_i2c;
 			}
@@ -2110,7 +2133,7 @@
 		gpio_set_value(platform_data->reset_gpio, 0);
 		usleep(RMI4_GPIO_SLEEP_LOW_US);
 		gpio_set_value(platform_data->reset_gpio, 1);
-		msleep(RMI4_GPIO_WAIT_HIGH_MS);
+		msleep(RESET_DELAY);
 	} else
 		synaptics_rmi4_reset_command(rmi4_data);
 
@@ -2470,6 +2493,75 @@
 }
 #endif
 
+static int synaptics_rmi4_regulator_lpm(struct synaptics_rmi4_data *rmi4_data,
+						bool on)
+{
+	int retval;
+
+	if (on == false)
+		goto regulator_hpm;
+
+	retval = reg_set_optimum_mode_check(rmi4_data->vdd, RMI4_LPM_LOAD_UA);
+	if (retval < 0) {
+		dev_err(&rmi4_data->i2c_client->dev,
+			"Regulator vcc_ana set_opt failed rc=%d\n",
+			retval);
+		goto fail_regulator_lpm;
+	}
+
+	if (rmi4_data->board->i2c_pull_up) {
+		retval = reg_set_optimum_mode_check(rmi4_data->vcc_i2c,
+			RMI4_I2C_LOAD_UA);
+		if (retval < 0) {
+			dev_err(&rmi4_data->i2c_client->dev,
+				"Regulator vcc_i2c set_opt failed rc=%d\n",
+				retval);
+			goto fail_regulator_lpm;
+		}
+	}
+
+	return 0;
+
+regulator_hpm:
+
+	retval = reg_set_optimum_mode_check(rmi4_data->vdd,
+				RMI4_ACTIVE_LOAD_UA);
+	if (retval < 0) {
+		dev_err(&rmi4_data->i2c_client->dev,
+			"Regulator vcc_ana set_opt failed rc=%d\n",
+			retval);
+		goto fail_regulator_hpm;
+	}
+
+	if (rmi4_data->board->i2c_pull_up) {
+		retval = reg_set_optimum_mode_check(rmi4_data->vcc_i2c,
+			RMI4_I2C_LOAD_UA);
+		if (retval < 0) {
+			dev_err(&rmi4_data->i2c_client->dev,
+				"Regulator vcc_i2c set_opt failed rc=%d\n",
+				retval);
+			goto fail_regulator_hpm;
+		}
+	}
+
+	return 0;
+
+fail_regulator_lpm:
+	reg_set_optimum_mode_check(rmi4_data->vdd, RMI4_ACTIVE_LOAD_UA);
+	if (rmi4_data->board->i2c_pull_up)
+		reg_set_optimum_mode_check(rmi4_data->vcc_i2c,
+						RMI4_I2C_LOAD_UA);
+
+	return retval;
+
+fail_regulator_hpm:
+	reg_set_optimum_mode_check(rmi4_data->vdd, RMI4_LPM_LOAD_UA);
+	if (rmi4_data->board->i2c_pull_up)
+		reg_set_optimum_mode_check(rmi4_data->vcc_i2c,
+						RMI4_I2C_LPM_LOAD_UA);
+	return retval;
+}
+
  /**
  * synaptics_rmi4_suspend()
  *
@@ -2483,6 +2575,7 @@
 static int synaptics_rmi4_suspend(struct device *dev)
 {
 	struct synaptics_rmi4_data *rmi4_data = dev_get_drvdata(dev);
+	int retval;
 
 	if (!rmi4_data->sensor_sleep) {
 		rmi4_data->touch_stopped = true;
@@ -2491,6 +2584,12 @@
 		synaptics_rmi4_sensor_sleep(rmi4_data);
 	}
 
+	retval = synaptics_rmi4_regulator_lpm(rmi4_data, true);
+	if (retval < 0) {
+		dev_err(dev, "failed to enter low power mode\n");
+		return retval;
+	}
+
 	return 0;
 }
 
@@ -2507,6 +2606,13 @@
 static int synaptics_rmi4_resume(struct device *dev)
 {
 	struct synaptics_rmi4_data *rmi4_data = dev_get_drvdata(dev);
+	int retval;
+
+	retval = synaptics_rmi4_regulator_lpm(rmi4_data, false);
+	if (retval < 0) {
+		dev_err(dev, "failed to enter active power mode\n");
+		return retval;
+	}
 
 	synaptics_rmi4_sensor_wake(rmi4_data);
 	rmi4_data->touch_stopped = false;
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index f35f0e7..aa69475 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -16,7 +16,7 @@
 # MSM IOMMU support
 config MSM_IOMMU
 	bool "MSM IOMMU Support"
-	depends on ARCH_MSM8X60 || ARCH_MSM8960 || ARCH_APQ8064 || ARCH_MSM8974 || ARCH_MPQ8092 || ARCH_MSM8610 || ARCH_MSM8226 || ARCH_MSMZINC
+	depends on ARCH_MSM8X60 || ARCH_MSM8960 || ARCH_APQ8064 || ARCH_MSM8974 || ARCH_MPQ8092 || ARCH_MSM8610 || ARCH_MSM8226 || ARCH_APQ8084
 	select IOMMU_API
 	help
 	  Support for the IOMMUs found on certain Qualcomm SOCs.
diff --git a/drivers/iommu/msm_iommu-v0.c b/drivers/iommu/msm_iommu-v0.c
index c0a4720..b1960c6 100644
--- a/drivers/iommu/msm_iommu-v0.c
+++ b/drivers/iommu/msm_iommu-v0.c
@@ -55,6 +55,9 @@
 	.name = "msm_iommu_sec_bus",
 };
 
+static int msm_iommu_unmap_range(struct iommu_domain *domain, unsigned int va,
+				 unsigned int len);
+
 static inline void clean_pte(unsigned long *start, unsigned long *end,
 			     int redirect)
 {
@@ -167,6 +170,11 @@
 	/* No need to do anything. IOMMUv0 is always on. */
 }
 
+static void *_iommu_lock_initialize(void)
+{
+	return msm_iommu_lock_initialize();
+}
+
 static void _iommu_lock_acquire(void)
 {
 	msm_iommu_lock();
@@ -182,6 +190,7 @@
 	.iommu_power_off = __disable_regulators,
 	.iommu_clk_on = __enable_clocks,
 	.iommu_clk_off = __disable_clocks,
+	.iommu_lock_initialize = _iommu_lock_initialize,
 	.iommu_lock_acquire = _iommu_lock_acquire,
 	.iommu_lock_release = _iommu_lock_release,
 };
@@ -953,6 +962,7 @@
 			       int prot)
 {
 	unsigned int pa;
+	unsigned int start_va = va;
 	unsigned int offset = 0;
 	unsigned long *fl_table;
 	unsigned long *fl_pte;
@@ -1026,12 +1036,6 @@
 				chunk_offset = 0;
 				sg = sg_next(sg);
 				pa = get_phys_addr(sg);
-				if (pa == 0) {
-					pr_debug("No dma address for sg %p\n",
-							sg);
-					ret = -EINVAL;
-					goto fail;
-				}
 			}
 			continue;
 		}
@@ -1085,12 +1089,6 @@
 				chunk_offset = 0;
 				sg = sg_next(sg);
 				pa = get_phys_addr(sg);
-				if (pa == 0) {
-					pr_debug("No dma address for sg %p\n",
-							sg);
-					ret = -EINVAL;
-					goto fail;
-				}
 			}
 		}
 
@@ -1103,6 +1101,8 @@
 	__flush_iotlb(domain);
 fail:
 	mutex_unlock(&msm_iommu_lock);
+	if (ret && offset > 0)
+		msm_iommu_unmap_range(domain, start_va, offset);
 	return ret;
 }
 
diff --git a/drivers/iommu/msm_iommu_pagetable.c b/drivers/iommu/msm_iommu_pagetable.c
index b62bb76..9614692 100644
--- a/drivers/iommu/msm_iommu_pagetable.c
+++ b/drivers/iommu/msm_iommu_pagetable.c
@@ -431,6 +431,7 @@
 		       struct scatterlist *sg, unsigned int len, int prot)
 {
 	phys_addr_t pa;
+	unsigned int start_va = va;
 	unsigned int offset = 0;
 	unsigned long *fl_pte;
 	unsigned long fl_offset;
@@ -495,12 +496,6 @@
 				chunk_offset = 0;
 				sg = sg_next(sg);
 				pa = get_phys_addr(sg);
-				if (pa == 0) {
-					pr_debug("No dma address for sg %p\n",
-							sg);
-					ret = -EINVAL;
-					goto fail;
-				}
 			}
 			continue;
 		}
@@ -553,12 +548,6 @@
 				chunk_offset = 0;
 				sg = sg_next(sg);
 				pa = get_phys_addr(sg);
-				if (pa == 0) {
-					pr_debug("No dma address for sg %p\n",
-							sg);
-					ret = -EINVAL;
-					goto fail;
-				}
 			}
 		}
 
@@ -569,6 +558,9 @@
 	}
 
 fail:
+	if (ret && offset > 0)
+		msm_iommu_pagetable_unmap_range(pt, start_va, offset);
+
 	return ret;
 }
 
diff --git a/drivers/leds/leds-qpnp.c b/drivers/leds/leds-qpnp.c
index 1d34b06..3667296 100644
--- a/drivers/leds/leds-qpnp.c
+++ b/drivers/leds/leds-qpnp.c
@@ -159,6 +159,27 @@
 #define	PWM_LUT_MAX_SIZE		63
 #define RGB_LED_DISABLE			0x00
 
+#define MPP_MAX_LEVEL			LED_FULL
+#define LED_MPP_MODE_CTRL(base)		(base + 0x40)
+#define LED_MPP_VIN_CTRL(base)		(base + 0x41)
+#define LED_MPP_EN_CTRL(base)		(base + 0x46)
+#define LED_MPP_SINK_CTRL(base)		(base + 0x4C)
+
+#define LED_MPP_CURRENT_DEFAULT		10
+#define LED_MPP_SOURCE_SEL_DEFAULT	LED_MPP_MODE_ENABLE
+
+#define LED_MPP_SINK_MASK		0x07
+#define LED_MPP_MODE_MASK		0x7F
+#define LED_MPP_EN_MASK			0x80
+
+#define LED_MPP_MODE_SINK		(0x06 << 4)
+#define LED_MPP_MODE_ENABLE		0x01
+#define LED_MPP_MODE_OUTPUT		0x10
+#define LED_MPP_MODE_DISABLE		0x00
+#define LED_MPP_EN_ENABLE		0x80
+#define LED_MPP_EN_DISABLE		0x00
+
+#define MPP_SOURCE_DTEST1		0x08
 /**
  * enum qpnp_leds - QPNP supported led ids
  * @QPNP_ID_WLED - White led backlight
@@ -170,6 +191,7 @@
 	QPNP_ID_RGB_RED,
 	QPNP_ID_RGB_GREEN,
 	QPNP_ID_RGB_BLUE,
+	QPNP_ID_LED_MPP,
 	QPNP_ID_MAX,
 };
 
@@ -240,6 +262,11 @@
 static u8 rgb_pwm_debug_regs[] = {
 	0x45, 0x46, 0x47,
 };
+
+static u8 mpp_debug_regs[] = {
+	0x40, 0x41, 0x42, 0x45, 0x46, 0x4c,
+};
+
 /**
  *  wled_config_data - wled configuration data
  *  @num_strings - number of wled strings supported
@@ -264,6 +291,16 @@
 };
 
 /**
+ *  mpp_config_data - mpp configuration data
+ *  @current_setting - current setting, 5ma-40ma in 5ma increments
+ */
+struct mpp_config_data {
+	u8	current_setting;
+	u8	source_sel;
+	u8	mode_ctrl;
+};
+
+/**
  *  flash_config_data - flash configuration data
  *  @current_prgm - current to be programmed, scaled by max level
  *  @clamp_curr - clamp current to use
@@ -336,6 +373,7 @@
 	struct wled_config_data *wled_cfg;
 	struct flash_config_data	*flash_cfg;
 	struct rgb_config_data	*rgb_cfg;
+	struct mpp_config_data	*mpp_cfg;
 	int			max_current;
 	bool			default_on;
 	int			turn_off_delay_ms;
@@ -458,6 +496,68 @@
 	return 0;
 }
 
+static int qpnp_mpp_set(struct qpnp_led_data *led)
+{
+	int rc, val;
+
+	if (led->cdev.brightness) {
+		val = (led->cdev.brightness * LED_MPP_SINK_MASK) / LED_FULL;
+		rc = qpnp_led_masked_write(led,
+				LED_MPP_SINK_CTRL(led->base),
+				LED_MPP_SINK_MASK, val);
+		if (rc) {
+			dev_err(&led->spmi_dev->dev,
+				"Failed to write led enable reg\n");
+			return rc;
+		}
+
+		val = led->mpp_cfg->source_sel | led->mpp_cfg->mode_ctrl;
+
+		rc = qpnp_led_masked_write(led,
+		LED_MPP_MODE_CTRL(led->base), LED_MPP_MODE_MASK,
+		val);
+		if (rc) {
+			dev_err(&led->spmi_dev->dev,
+					"Failed to write led mode reg\n");
+			return rc;
+		}
+
+		rc = qpnp_led_masked_write(led,
+				LED_MPP_EN_CTRL(led->base), LED_MPP_EN_MASK,
+				LED_MPP_EN_ENABLE);
+			if (rc) {
+				dev_err(&led->spmi_dev->dev,
+						"Failed to write led enable " \
+						"reg\n");
+				return rc;
+			}
+	} else {
+		rc = qpnp_led_masked_write(led,
+					LED_MPP_MODE_CTRL(led->base),
+					LED_MPP_MODE_MASK,
+					LED_MPP_MODE_DISABLE);
+		if (rc) {
+			dev_err(&led->spmi_dev->dev,
+					"Failed to write led mode reg\n");
+			return rc;
+		}
+
+		rc = qpnp_led_masked_write(led,
+					LED_MPP_EN_CTRL(led->base),
+					LED_MPP_EN_MASK,
+					LED_MPP_EN_DISABLE);
+		if (rc) {
+			dev_err(&led->spmi_dev->dev,
+					"Failed to write led enable reg\n");
+			return rc;
+		}
+	}
+
+	qpnp_dump_regs(led, mpp_debug_regs, ARRAY_SIZE(mpp_debug_regs));
+
+	return 0;
+}
+
 static int qpnp_flash_set(struct qpnp_led_data *led)
 {
 	int rc;
@@ -750,6 +850,12 @@
 			dev_err(&led->spmi_dev->dev,
 				"RGB set brightness failed (%d)\n", rc);
 		break;
+	case QPNP_ID_LED_MPP:
+		rc = qpnp_mpp_set(led);
+		if (rc < 0)
+			dev_err(&led->spmi_dev->dev,
+					"MPP set brightness failed (%d)\n", rc);
+		break;
 	default:
 		dev_err(&led->spmi_dev->dev, "Invalid LED(%d)\n", led->id);
 		break;
@@ -772,6 +878,9 @@
 	case QPNP_ID_RGB_BLUE:
 		led->cdev.max_brightness = RGB_MAX_LEVEL;
 		break;
+	case QPNP_ID_LED_MPP:
+		led->cdev.max_brightness = MPP_MAX_LEVEL;
+		break;
 	default:
 		dev_err(&led->spmi_dev->dev, "Invalid LED(%d)\n", led->id);
 		return -EINVAL;
@@ -1211,6 +1320,8 @@
 			dev_err(&led->spmi_dev->dev,
 				"RGB initialize failed(%d)\n", rc);
 		break;
+	case QPNP_ID_LED_MPP:
+		break;
 	default:
 		dev_err(&led->spmi_dev->dev, "Invalid LED(%d)\n", led->id);
 		return -EINVAL;
@@ -1536,6 +1647,43 @@
 	return 0;
 }
 
+static int __devinit qpnp_get_config_mpp(struct qpnp_led_data *led,
+		struct device_node *node)
+{
+	int rc;
+	u32 val;
+
+	led->mpp_cfg = devm_kzalloc(&led->spmi_dev->dev,
+			sizeof(struct mpp_config_data), GFP_KERNEL);
+	if (!led->mpp_cfg) {
+		dev_err(&led->spmi_dev->dev, "Unable to allocate memory\n");
+		return -ENOMEM;
+	}
+
+	led->mpp_cfg->current_setting = LED_MPP_CURRENT_DEFAULT;
+	rc = of_property_read_u32(node, "qcom,current-setting", &val);
+	if (!rc)
+		led->mpp_cfg->current_setting = (u8) val;
+	else if (rc != -EINVAL)
+		return rc;
+
+	led->mpp_cfg->source_sel = LED_MPP_SOURCE_SEL_DEFAULT;
+	rc = of_property_read_u32(node, "qcom,source-sel", &val);
+	if (!rc)
+		led->mpp_cfg->source_sel = (u8) val;
+	else if (rc != -EINVAL)
+		return rc;
+
+	led->mpp_cfg->mode_ctrl = LED_MPP_MODE_SINK;
+	rc = of_property_read_u32(node, "qcom,mode-ctrl", &val);
+	if (!rc)
+		led->mpp_cfg->mode_ctrl = (u8) val;
+	else if (rc != -EINVAL)
+		return rc;
+
+	return 0;
+}
+
 static int __devinit qpnp_leds_probe(struct spmi_device *spmi)
 {
 	struct qpnp_led_data *led, *led_array;
@@ -1638,6 +1786,13 @@
 					"Unable to read rgb config data\n");
 				goto fail_id_check;
 			}
+		} else if (strncmp(led_label, "mpp", sizeof("mpp")) == 0) {
+			rc = qpnp_get_config_mpp(led, temp);
+			if (rc < 0) {
+				dev_err(&led->spmi_dev->dev,
+						"Unable to read mpp config data\n");
+				goto fail_id_check;
+			}
 		} else {
 			dev_err(&led->spmi_dev->dev, "No LED matching label\n");
 			rc = -EINVAL;
diff --git a/drivers/media/dvb/dvb-core/demux.h b/drivers/media/dvb/dvb-core/demux.h
index f0b9b05..89500f9 100644
--- a/drivers/media/dvb/dvb-core/demux.h
+++ b/drivers/media/dvb/dvb-core/demux.h
@@ -127,6 +127,7 @@
 			u32 cont_err_counter;
 			u32 ts_packets_num;
 			u32 ts_dropped_bytes;
+			u64 stc;
 		} buf;
 
 		struct {
diff --git a/drivers/media/dvb/dvb-core/dmxdev.c b/drivers/media/dvb/dvb-core/dmxdev.c
index ca71c06..5e7a09e 100644
--- a/drivers/media/dvb/dvb-core/dmxdev.c
+++ b/drivers/media/dvb/dvb-core/dmxdev.c
@@ -2406,6 +2406,7 @@
 		event.params.es_data.pts = dmx_data_ready->buf.pts;
 		event.params.es_data.dts_valid = dmx_data_ready->buf.dts_exists;
 		event.params.es_data.dts = dmx_data_ready->buf.dts;
+		event.params.es_data.stc = dmx_data_ready->buf.stc;
 		event.params.es_data.transport_error_indicator_counter =
 				dmx_data_ready->buf.tei_counter;
 		event.params.es_data.continuity_error_counter =
diff --git a/drivers/media/platform/msm/camera_v1/gemini/msm_gemini_core.c b/drivers/media/platform/msm/camera_v1/gemini/msm_gemini_core.c
index 84f7307..9370fc9 100644
--- a/drivers/media/platform/msm/camera_v1/gemini/msm_gemini_core.c
+++ b/drivers/media/platform/msm/camera_v1/gemini/msm_gemini_core.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2010-2012, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2010-2013, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -142,7 +142,7 @@
 	buf_p = msm_gemini_hw_pingpong_active_buffer(&we_pingpong_buf);
 	if (buf_p) {
 		buf_p->framedone_len = msm_gemini_hw_encode_output_size();
-		GMN_DBG("%s:%d] framedone_len %d\n", __func__, __LINE__,
+		pr_debug("%s:%d] framedone_len %d\n", __func__, __LINE__,
 			buf_p->framedone_len);
 	}
 
diff --git a/drivers/media/platform/msm/camera_v1/gemini/msm_gemini_hw.c b/drivers/media/platform/msm/camera_v1/gemini/msm_gemini_hw.c
index 0cbb101..79c533e 100644
--- a/drivers/media/platform/msm/camera_v1/gemini/msm_gemini_hw.c
+++ b/drivers/media/platform/msm/camera_v1/gemini/msm_gemini_hw.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2010, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2010,2013 The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -297,6 +297,8 @@
 
 	struct msm_gemini_hw_cmd *hw_cmd_p;
 
+	pr_debug("%s:%d] pingpong index %d", __func__, __LINE__,
+		pingpong_index);
 	if (pingpong_index == 0) {
 		hw_cmd_p = &hw_cmd_we_ping_update[0];
 
@@ -486,40 +488,38 @@
 	return is_copy_to_user;
 }
 
-void msm_gemini_hw_region_dump(int size)
+#ifdef MSM_GMN_DBG_DUMP
+void msm_gemini_io_dump(int size)
 {
-	uint32_t *p;
-	uint8_t *p8;
-
-	if (size > gemini_region_size)
-		GMN_PR_ERR("%s:%d] wrong region dump size\n",
-			__func__, __LINE__);
-
-	p = (uint32_t *) gemini_region_base;
-	while (size >= 16) {
-		GMN_DBG("0x%08X] %08X %08X %08X %08X\n",
-			gemini_region_size - size,
-			readl(p), readl(p+1), readl(p+2), readl(p+3));
-		p += 4;
-		size -= 16;
-	}
-
-	if (size > 0) {
-		uint32_t d;
-		GMN_DBG("0x%08X] ", gemini_region_size - size);
-		while (size >= 4) {
-			GMN_DBG("%08X ", readl(p++));
-			size -= 4;
+	char line_str[128], *p_str;
+	void __iomem *addr = gemini_region_base;
+	int i;
+	u32 *p = (u32 *) addr;
+	u32 data;
+	pr_info("%s: %p %d reg_size %d\n", __func__, addr, size,
+							gemini_region_size);
+	line_str[0] = '\0';
+	p_str = line_str;
+	for (i = 0; i < size/4; i++) {
+		if (i % 4 == 0) {
+			snprintf(p_str, 12, "%08x: ", (u32) p);
+			p_str += 10;
 		}
-
-		d = readl(p);
-		p8 = (uint8_t *) &d;
-		while (size) {
-			GMN_DBG("%02X", *p8++);
-			size--;
+		data = readl_relaxed(p++);
+		snprintf(p_str, 12, "%08x ", data);
+		p_str += 9;
+		if ((i + 1) % 4 == 0) {
+			pr_info("%s\n", line_str);
+			line_str[0] = '\0';
+			p_str = line_str;
 		}
-
-		GMN_DBG("\n");
 	}
+	if (line_str[0] != '\0')
+		pr_info("%s\n", line_str);
 }
+#else
+void msm_gemini_io_dump(int size)
+{
 
+}
+#endif
diff --git a/drivers/media/platform/msm/camera_v1/gemini/msm_gemini_hw.h b/drivers/media/platform/msm/camera_v1/gemini/msm_gemini_hw.h
index 1c8de19..aa6c4aa1 100644
--- a/drivers/media/platform/msm/camera_v1/gemini/msm_gemini_hw.h
+++ b/drivers/media/platform/msm/camera_v1/gemini/msm_gemini_hw.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2010-2012, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2010-2013, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -95,7 +95,7 @@
 int msm_gemini_hw_wait(struct msm_gemini_hw_cmd *hw_cmd_p, int m_us);
 void msm_gemini_hw_delay(struct msm_gemini_hw_cmd *hw_cmd_p, int m_us);
 int msm_gemini_hw_exec_cmds(struct msm_gemini_hw_cmd *hw_cmd_p, int m_cmds);
-void msm_gemini_hw_region_dump(int size);
+void msm_gemini_io_dump(int size);
 
 #define MSM_GEMINI_PIPELINE_CLK_128MHZ 128 /* 8MP  128MHz */
 #define MSM_GEMINI_PIPELINE_CLK_140MHZ 140 /* 9MP  140MHz */
diff --git a/drivers/media/platform/msm/camera_v1/gemini/msm_gemini_hw_reg.h b/drivers/media/platform/msm/camera_v1/gemini/msm_gemini_hw_reg.h
index ea13d68..2fe6038 100644
--- a/drivers/media/platform/msm/camera_v1/gemini/msm_gemini_hw_reg.h
+++ b/drivers/media/platform/msm/camera_v1/gemini/msm_gemini_hw_reg.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2010, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2010, 2013, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -171,6 +171,6 @@
 #define HWIO_JPEG_IRQ_STATUS_RMSK 0xffffffff
 
 #define HWIO_JPEG_STATUS_ENCODE_OUTPUT_SIZE_ADDR (GEMINI_REG_BASE + 0x00000034)
-#define HWIO_JPEG_STATUS_ENCODE_OUTPUT_SIZE_RMSK 0xffffff
+#define HWIO_JPEG_STATUS_ENCODE_OUTPUT_SIZE_RMSK 0xffffffff
 
 #endif /* MSM_GEMINI_HW_REG_H */
diff --git a/drivers/media/platform/msm/camera_v1/gemini/msm_gemini_sync.c b/drivers/media/platform/msm/camera_v1/gemini/msm_gemini_sync.c
index ed2222a..50c7284 100644
--- a/drivers/media/platform/msm/camera_v1/gemini/msm_gemini_sync.c
+++ b/drivers/media/platform/msm/camera_v1/gemini/msm_gemini_sync.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2010-2012, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2010-2013, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -16,6 +16,8 @@
 #include <linux/uaccess.h>
 #include <linux/slab.h>
 #include <media/msm_gemini.h>
+#include <mach/msm_bus.h>
+#include <mach/msm_bus_board.h>
 #include "msm_gemini_sync.h"
 #include "msm_gemini_core.h"
 #include "msm_gemini_platform.h"
@@ -23,6 +25,9 @@
 
 static int release_buf;
 
+/* size is based on 4k page size */
+static const int g_max_out_size = 0x7ff000;
+
 /*************** queue helper ****************/
 inline void msm_gemini_q_init(char const *name, struct msm_gemini_q *q_p)
 {
@@ -180,7 +185,7 @@
 {
 	int rc = 0;
 
-	GMN_DBG("%s:%d] Enter\n", __func__, __LINE__);
+	pr_debug("%s:%d] buf_in %p", __func__, __LINE__, buf_in);
 
 	if (buf_in) {
 		buf_in->vbuf.framedone_len = buf_in->framedone_len;
@@ -266,19 +271,88 @@
 
 /*************** output queue ****************/
 
+int msm_gemini_get_out_buffer(struct msm_gemini_device *pgmn_dev,
+	struct msm_gemini_hw_buf *p_outbuf)
+{
+	int buf_size = 0;
+	int bytes_remaining = 0;
+	if (pgmn_dev->out_offset >= pgmn_dev->out_buf.y_len) {
+		GMN_PR_ERR("%s:%d] no more buffers", __func__, __LINE__);
+		return -EINVAL;
+	}
+	bytes_remaining = pgmn_dev->out_buf.y_len - pgmn_dev->out_offset;
+	buf_size = min(bytes_remaining, pgmn_dev->max_out_size);
+
+	pgmn_dev->out_frag_cnt++;
+	pr_debug("%s:%d] buf_size[%d] %d", __func__, __LINE__,
+		pgmn_dev->out_frag_cnt, buf_size);
+	p_outbuf->y_len = buf_size;
+	p_outbuf->y_buffer_addr = pgmn_dev->out_buf.y_buffer_addr +
+		pgmn_dev->out_offset;
+	pgmn_dev->out_offset += buf_size;
+	return 0;
+}
+
+int msm_gemini_outmode_single_we_pingpong_irq(
+	struct msm_gemini_device *pgmn_dev,
+	struct msm_gemini_core_buf *buf_in)
+{
+	int rc = 0;
+	struct msm_gemini_core_buf out_buf;
+	int frame_done = buf_in &&
+		buf_in->vbuf.type == MSM_GEMINI_EVT_FRAMEDONE;
+	pr_debug("%s:%d] framedone %d", __func__, __LINE__, frame_done);
+	if (!pgmn_dev->out_buf_set) {
+		pr_err("%s:%d] output buffer not set",
+			__func__, __LINE__);
+		return -EFAULT;
+	}
+	if (frame_done) {
+		/* send the buffer back */
+		pgmn_dev->out_buf.vbuf.framedone_len = buf_in->framedone_len;
+		pgmn_dev->out_buf.vbuf.type = MSM_GEMINI_EVT_FRAMEDONE;
+		rc = msm_gemini_q_in_buf(&pgmn_dev->output_rtn_q,
+			&pgmn_dev->out_buf);
+		if (rc) {
+			pr_err("%s:%d] cannot queue the output buffer",
+				 __func__, __LINE__);
+			return -EFAULT;
+		}
+		rc =  msm_gemini_q_wakeup(&pgmn_dev->output_rtn_q);
+		/* reset the output buffer since the ownership is
+			transferred to the rtn queue */
+		if (!rc)
+			pgmn_dev->out_buf_set = 0;
+	} else {
+		/* configure ping/pong */
+		rc = msm_gemini_get_out_buffer(pgmn_dev, &out_buf);
+		if (rc)
+			msm_gemini_core_we_buf_reset(&out_buf);
+		else
+			msm_gemini_core_we_buf_update(&out_buf);
+	}
+	return rc;
+}
+
 int msm_gemini_we_pingpong_irq(struct msm_gemini_device *pgmn_dev,
 	struct msm_gemini_core_buf *buf_in)
 {
 	int rc = 0;
 	struct msm_gemini_core_buf *buf_out;
 
-	GMN_DBG("%s:%d] Enter\n", __func__, __LINE__);
+	pr_debug("%s:%d] Enter mode %d", __func__, __LINE__,
+		pgmn_dev->out_mode);
+
+	if (pgmn_dev->out_mode == MSM_GMN_OUTMODE_SINGLE)
+		return msm_gemini_outmode_single_we_pingpong_irq(pgmn_dev,
+			buf_in);
+
 	if (buf_in) {
-		GMN_DBG("%s:%d] 0x%08x %d\n", __func__, __LINE__,
+		pr_debug("%s:%d] 0x%08x %d\n", __func__, __LINE__,
 			(int) buf_in->y_buffer_addr, buf_in->y_len);
 		rc = msm_gemini_q_in_buf(&pgmn_dev->output_rtn_q, buf_in);
 	} else {
-		GMN_DBG("%s:%d] no output return buffer\n", __func__,
+		pr_debug("%s:%d] no output return buffer\n", __func__,
 			__LINE__);
 		rc = -1;
 		return rc;
@@ -291,7 +365,7 @@
 		kfree(buf_out);
 	} else {
 		msm_gemini_core_we_buf_reset(buf_in);
-		GMN_DBG("%s:%d] no output buffer\n", __func__, __LINE__);
+		pr_debug("%s:%d] no output buffer\n", __func__, __LINE__);
 		rc = -2;
 	}
 
@@ -339,6 +413,43 @@
 	return 0;
 }
 
+int msm_gemini_set_output_buf(struct msm_gemini_device *pgmn_dev,
+	void __user *arg)
+{
+	struct msm_gemini_buf buf_cmd;
+
+	if (pgmn_dev->out_buf_set) {
+		pr_err("%s:%d] outbuffer buffer already provided",
+			__func__, __LINE__);
+		return -EINVAL;
+	}
+
+	if (copy_from_user(&buf_cmd, arg, sizeof(struct msm_gemini_buf))) {
+		pr_err("%s:%d] failed\n", __func__, __LINE__);
+		return -EFAULT;
+	}
+
+	GMN_DBG("%s:%d] output addr 0x%08x len %d", __func__, __LINE__,
+		(int) buf_cmd.vaddr,
+		buf_cmd.y_len);
+
+	pgmn_dev->out_buf.y_buffer_addr = msm_gemini_platform_v2p(
+		buf_cmd.fd,
+		buf_cmd.y_len,
+		&pgmn_dev->out_buf.file,
+		&pgmn_dev->out_buf.handle);
+	if (!pgmn_dev->out_buf.y_buffer_addr) {
+		pr_err("%s:%d] cannot map the output address",
+			__func__, __LINE__);
+		return -EFAULT;
+	}
+	pgmn_dev->out_buf.y_len = buf_cmd.y_len;
+	pgmn_dev->out_buf.vbuf = buf_cmd;
+	pgmn_dev->out_buf_set = 1;
+
+	return 0;
+}
+
 int msm_gemini_output_buf_enqueue(struct msm_gemini_device *pgmn_dev,
 	void __user *arg)
 {
@@ -456,6 +567,7 @@
 	struct msm_gemini_core_buf *buf_p;
 	struct msm_gemini_buf buf_cmd;
 	int rc = 0;
+	struct msm_bus_scale_pdata *p_bus_scale_data = NULL;
 
 	if (copy_from_user(&buf_cmd, arg, sizeof(struct msm_gemini_buf))) {
 		GMN_PR_ERR("%s:%d] failed\n", __func__, __LINE__);
@@ -484,9 +596,9 @@
 			return rc;
 		}
 	} else {
-	buf_p->y_buffer_addr    = msm_gemini_platform_v2p(buf_cmd.fd,
-		buf_cmd.y_len + buf_cmd.cbcr_len, &buf_p->file,
-		&buf_p->handle)	+ buf_cmd.offset + buf_cmd.y_off;
+		buf_p->y_buffer_addr    = msm_gemini_platform_v2p(buf_cmd.fd,
+			buf_cmd.y_len + buf_cmd.cbcr_len, &buf_p->file,
+			&buf_p->handle)	+ buf_cmd.offset + buf_cmd.y_off;
 	}
 	buf_p->y_len          = buf_cmd.y_len;
 
@@ -504,6 +616,30 @@
 		return -1;
 	}
 	buf_p->vbuf           = buf_cmd;
+	buf_p->vbuf.type      = MSM_GEMINI_EVT_RESET;
+
+	/* Set bus vectors */
+	p_bus_scale_data = (struct msm_bus_scale_pdata *)
+		pgmn_dev->pdev->dev.platform_data;
+	if (pgmn_dev->bus_perf_client &&
+		(MSM_GMN_OUTMODE_SINGLE == pgmn_dev->out_mode)) {
+		int rc;
+		struct msm_bus_paths *path = &(p_bus_scale_data->usecase[1]);
+		GMN_DBG("%s:%d] Update bus bandwidth", __func__, __LINE__);
+		if (pgmn_dev->op_mode & MSM_GEMINI_MODE_OFFLINE_ENCODE) {
+			path->vectors[0].ab = (buf_p->y_len + buf_p->cbcr_len) *
+				15 * 2;
+			path->vectors[0].ib = path->vectors[0].ab;
+			path->vectors[1].ab = 0;
+			path->vectors[1].ib = 0;
+		}
+		rc = msm_bus_scale_client_update_request(
+			pgmn_dev->bus_perf_client, 1);
+		if (rc < 0) {
+			GMN_PR_ERR("%s:%d] update_request fails %d",
+				__func__, __LINE__, rc);
+		}
+	}
 
 	msm_gemini_q_in(&pgmn_dev->input_buf_q, buf_p);
 
@@ -545,6 +681,9 @@
 int __msm_gemini_open(struct msm_gemini_device *pgmn_dev)
 {
 	int rc;
+	struct msm_bus_scale_pdata *p_bus_scale_data =
+		(struct msm_bus_scale_pdata *)pgmn_dev->pdev->dev.
+			platform_data;
 
 	mutex_lock(&pgmn_dev->lock);
 	if (pgmn_dev->open_count) {
@@ -576,7 +715,23 @@
 	msm_gemini_q_cleanup(&pgmn_dev->input_rtn_q);
 	msm_gemini_q_cleanup(&pgmn_dev->input_buf_q);
 	msm_gemini_core_init();
+	pgmn_dev->out_mode = MSM_GMN_OUTMODE_FRAGMENTED;
+	pgmn_dev->out_buf_set = 0;
+	pgmn_dev->out_offset = 0;
+	pgmn_dev->max_out_size = g_max_out_size;
+	pgmn_dev->out_frag_cnt = 0;
+	pgmn_dev->bus_perf_client = 0;
 
+	if (p_bus_scale_data) {
+		GMN_DBG("%s:%d] register bus client", __func__, __LINE__);
+		pgmn_dev->bus_perf_client =
+			msm_bus_scale_register_client(p_bus_scale_data);
+		if (!pgmn_dev->bus_perf_client) {
+			GMN_PR_ERR("%s:%d] bus client register failed",
+				__func__, __LINE__);
+			return -EINVAL;
+		}
+	}
 	GMN_DBG("%s:%d] success\n", __func__, __LINE__);
 	return rc;
 }
@@ -593,13 +748,23 @@
 	pgmn_dev->open_count--;
 	mutex_unlock(&pgmn_dev->lock);
 
-	msm_gemini_core_release(release_buf);
+	if (pgmn_dev->out_mode == MSM_GMN_OUTMODE_FRAGMENTED) {
+		msm_gemini_core_release(release_buf);
+	} else if (pgmn_dev->out_buf_set) {
+		msm_gemini_platform_p2v(pgmn_dev->out_buf.file,
+			&pgmn_dev->out_buf.handle);
+	}
 	msm_gemini_q_cleanup(&pgmn_dev->evt_q);
 	msm_gemini_q_cleanup(&pgmn_dev->output_rtn_q);
 	msm_gemini_outbuf_q_cleanup(&pgmn_dev->output_buf_q);
 	msm_gemini_q_cleanup(&pgmn_dev->input_rtn_q);
 	msm_gemini_outbuf_q_cleanup(&pgmn_dev->input_buf_q);
 
+	if (pgmn_dev->bus_perf_client) {
+		msm_bus_scale_unregister_client(pgmn_dev->bus_perf_client);
+		pgmn_dev->bus_perf_client = 0;
+	}
+
 	if (pgmn_dev->open_count)
 		GMN_PR_ERR(KERN_ERR "%s: multiple opens\n", __func__);
 
@@ -699,29 +864,63 @@
 		}
 	}
 
-	for (i = 0; i < 2; i++) {
-		buf_out_free[i] = msm_gemini_q_out(&pgmn_dev->output_buf_q);
+	if (pgmn_dev->out_mode == MSM_GMN_OUTMODE_FRAGMENTED) {
+		for (i = 0; i < 2; i++) {
+			buf_out_free[i] =
+				msm_gemini_q_out(&pgmn_dev->output_buf_q);
 
-		if (buf_out_free[i]) {
-			msm_gemini_core_we_buf_update(buf_out_free[i]);
-		} else if (i == 1) {
-			/* set the pong to same address as ping */
-			buf_out_free[0]->y_len >>= 1;
-			buf_out_free[0]->y_buffer_addr +=
-				buf_out_free[0]->y_len;
-			msm_gemini_core_we_buf_update(buf_out_free[0]);
-			/* since ping and pong are same buf release only once*/
-			release_buf = 0;
-		} else {
-			GMN_DBG("%s:%d] no output buffer\n",
-			__func__, __LINE__);
-			break;
+			if (buf_out_free[i]) {
+				msm_gemini_core_we_buf_update(buf_out_free[i]);
+			} else if (i == 1) {
+				/* set the pong to same address as ping */
+				buf_out_free[0]->y_len >>= 1;
+				buf_out_free[0]->y_buffer_addr +=
+					buf_out_free[0]->y_len;
+				msm_gemini_core_we_buf_update(buf_out_free[0]);
+				/*
+				 * since ping and pong are same buf
+				 * release only once
+				 */
+				release_buf = 0;
+			} else {
+				GMN_DBG("%s:%d] no output buffer\n",
+					__func__, __LINE__);
+				break;
+			}
 		}
+		for (i = 0; i < 2; i++)
+			kfree(buf_out_free[i]);
+	} else {
+		struct msm_gemini_core_buf out_buf;
+		/*
+		 * Since the same buffer is fragmented, p2v need not be
+		 * called for all the buffers
+		 */
+		release_buf = 0;
+		if (!pgmn_dev->out_buf_set) {
+			GMN_PR_ERR("%s:%d] output buffer not set",
+				__func__, __LINE__);
+			return -EFAULT;
+		}
+		/* configure ping */
+		rc = msm_gemini_get_out_buffer(pgmn_dev, &out_buf);
+		if (rc) {
+			GMN_PR_ERR("%s:%d] no output buffer for ping",
+				__func__, __LINE__);
+			return rc;
+		}
+		msm_gemini_core_we_buf_update(&out_buf);
+		/* configure pong */
+		rc = msm_gemini_get_out_buffer(pgmn_dev, &out_buf);
+		if (rc) {
+			GMN_DBG("%s:%d] no output buffer for pong",
+				__func__, __LINE__);
+			/* fall through to configure same buffer */
+		}
+		msm_gemini_core_we_buf_update(&out_buf);
+		msm_gemini_io_dump(0x150);
 	}
 
-	for (i = 0; i < 2; i++)
-		kfree(buf_out_free[i]);
-
 	rc = msm_gemini_ioctl_hw_cmds(pgmn_dev, arg);
 	GMN_DBG("%s:%d]\n", __func__, __LINE__);
 	return rc;
@@ -746,12 +945,22 @@
 	return rc;
 }
 
-int msm_gemini_ioctl_test_dump_region(struct msm_gemini_device *pgmn_dev,
-	unsigned long arg)
+int msm_gemini_ioctl_set_outmode(struct msm_gemini_device *pgmn_dev,
+	void * __user arg)
 {
-	GMN_DBG("%s:%d] Enter\n", __func__, __LINE__);
-	msm_gemini_hw_region_dump(arg);
-	return 0;
+	int rc = 0;
+	enum msm_gmn_out_mode mode;
+
+	if (copy_from_user(&mode, arg, sizeof(mode))) {
+		GMN_PR_ERR("%s:%d] failed\n", __func__, __LINE__);
+		return -EFAULT;
+	}
+	GMN_DBG("%s:%d] mode %d", __func__, __LINE__, mode);
+
+	if ((mode == MSM_GMN_OUTMODE_FRAGMENTED)
+		|| (mode == MSM_GMN_OUTMODE_SINGLE))
+		pgmn_dev->out_mode = mode;
+	return rc;
 }
 
 long __msm_gemini_ioctl(struct msm_gemini_device *pgmn_dev,
@@ -790,8 +999,12 @@
 		break;
 
 	case MSM_GMN_IOCTL_OUTPUT_BUF_ENQUEUE:
-		rc = msm_gemini_output_buf_enqueue(pgmn_dev,
-			(void __user *) arg);
+		if (pgmn_dev->out_mode == MSM_GMN_OUTMODE_FRAGMENTED)
+			rc = msm_gemini_output_buf_enqueue(pgmn_dev,
+				(void __user *) arg);
+		else
+			rc = msm_gemini_set_output_buf(pgmn_dev,
+				(void __user *) arg);
 		break;
 
 	case MSM_GMN_IOCTL_OUTPUT_GET:
@@ -818,8 +1031,8 @@
 		rc = msm_gemini_ioctl_hw_cmds(pgmn_dev, (void __user *) arg);
 		break;
 
-	case MSM_GMN_IOCTL_TEST_DUMP_REGION:
-		rc = msm_gemini_ioctl_test_dump_region(pgmn_dev, arg);
+	case MSM_GMN_IOCTL_SET_MODE:
+		rc = msm_gemini_ioctl_set_outmode(pgmn_dev, (void __user *)arg);
 		break;
 
 	default:
diff --git a/drivers/media/platform/msm/camera_v1/gemini/msm_gemini_sync.h b/drivers/media/platform/msm/camera_v1/gemini/msm_gemini_sync.h
index d1a43e1..88e9615 100644
--- a/drivers/media/platform/msm/camera_v1/gemini/msm_gemini_sync.h
+++ b/drivers/media/platform/msm/camera_v1/gemini/msm_gemini_sync.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2010, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2010,2013, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -74,6 +74,16 @@
 	struct msm_gemini_q input_buf_q;
 
 	struct v4l2_subdev subdev;
+	enum msm_gmn_out_mode out_mode;
+
+	/* single out mode parameters */
+	struct msm_gemini_hw_buf out_buf;
+	int out_offset;
+	int out_buf_set;
+	int max_out_size;
+	int out_frag_cnt;
+
+	uint32_t bus_perf_client;
 };
 
 int __msm_gemini_open(struct msm_gemini_device *pgmn_dev);
diff --git a/drivers/media/platform/msm/camera_v2/camera/camera.c b/drivers/media/platform/msm/camera_v2/camera/camera.c
index 71087d9..4579cee 100644
--- a/drivers/media/platform/msm/camera_v2/camera/camera.c
+++ b/drivers/media/platform/msm/camera_v2/camera/camera.c
@@ -595,13 +595,18 @@
 	struct v4l2_event event;
 	struct msm_video_device *pvdev = video_drvdata(filep);
 	struct camera_v4l2_private *sp = fh_to_private(filep->private_data);
-
 	BUG_ON(!pvdev);
 
 	atomic_sub_return(1, &pvdev->opened);
 
 	if (atomic_read(&pvdev->opened) == 0) {
 
+		camera_pack_event(filep, MSM_CAMERA_SET_PARM,
+			MSM_CAMERA_PRIV_DEL_STREAM, -1, &event);
+
+		/* Donot wait, imaging server may have crashed */
+		msm_post_event(&event, MSM_POST_EVT_TIMEOUT);
+
 		camera_pack_event(filep, MSM_CAMERA_DEL_SESSION, 0, -1, &event);
 
 		/* Donot wait, imaging server may have crashed */
diff --git a/drivers/media/platform/msm/camera_v2/isp/msm_buf_mgr.c b/drivers/media/platform/msm/camera_v2/isp/msm_buf_mgr.c
index 22e8400..8ea1a00 100644
--- a/drivers/media/platform/msm/camera_v2/isp/msm_buf_mgr.c
+++ b/drivers/media/platform/msm/camera_v2/isp/msm_buf_mgr.c
@@ -281,16 +281,21 @@
 		list_for_each_entry(temp_buf_info,
 			&bufq->share_head, share_list) {
 			if (!temp_buf_info->buf_used[id]) {
-				*buf_info = temp_buf_info;
 				temp_buf_info->buf_used[id] = 1;
 				temp_buf_info->buf_get_count++;
 				if (temp_buf_info->buf_get_count ==
 					bufq->buf_client_count)
 					list_del_init(
 					&temp_buf_info->share_list);
+				if (temp_buf_info->buf_reuse_flag) {
+					kfree(temp_buf_info);
+				} else {
+					*buf_info = temp_buf_info;
+					rc = 0;
+				}
 				spin_unlock_irqrestore(
 					&bufq->bufq_lock, flags);
-				return 0;
+				return rc;
 			}
 		}
 	}
@@ -322,21 +327,31 @@
 	}
 
 	if (!(*buf_info)) {
-		spin_unlock_irqrestore(&bufq->bufq_lock, flags);
-		return rc;
-	}
-
-	(*buf_info)->state = MSM_ISP_BUFFER_STATE_DEQUEUED;
-	if (bufq->buf_type == ISP_SHARE_BUF) {
-		memset((*buf_info)->buf_used, 0,
-			   sizeof(uint8_t) * bufq->buf_client_count);
-		(*buf_info)->buf_used[id] = 1;
-		(*buf_info)->buf_get_count = 1;
-		(*buf_info)->buf_put_count = 0;
-		list_add_tail(&(*buf_info)->share_list, &bufq->share_head);
+		if (bufq->buf_type == ISP_SHARE_BUF) {
+			temp_buf_info = kzalloc(
+			   sizeof(struct msm_isp_buffer), GFP_ATOMIC);
+			temp_buf_info->buf_reuse_flag = 1;
+			temp_buf_info->buf_used[id] = 1;
+			temp_buf_info->buf_get_count = 1;
+			list_add_tail(&temp_buf_info->share_list,
+						  &bufq->share_head);
+		}
+	} else {
+		(*buf_info)->state = MSM_ISP_BUFFER_STATE_DEQUEUED;
+		if (bufq->buf_type == ISP_SHARE_BUF) {
+			memset((*buf_info)->buf_used, 0,
+				   sizeof(uint8_t) * bufq->buf_client_count);
+			(*buf_info)->buf_used[id] = 1;
+			(*buf_info)->buf_get_count = 1;
+			(*buf_info)->buf_put_count = 0;
+			(*buf_info)->buf_reuse_flag = 0;
+			list_add_tail(&(*buf_info)->share_list,
+						  &bufq->share_head);
+		}
+		rc = 0;
 	}
 	spin_unlock_irqrestore(&bufq->bufq_lock, flags);
-	return 0;
+	return rc;
 }
 
 static int msm_isp_put_buf(struct msm_isp_buf_mgr *buf_mgr,
@@ -648,22 +663,35 @@
 	}
 }
 
-static int msm_isp_attach_ctx(struct msm_isp_buf_mgr *buf_mgr,
-	struct device *iommu_ctx)
+static void msm_isp_register_ctx(struct msm_isp_buf_mgr *buf_mgr,
+	struct device **iommu_ctx, int num_iommu_ctx)
 {
-	int rc;
-	rc = iommu_attach_device(buf_mgr->iommu_domain, iommu_ctx);
-	if (rc) {
-		pr_err("%s: Iommu attach error\n", __func__);
-		return -EINVAL;
+	int i;
+	buf_mgr->num_iommu_ctx = num_iommu_ctx;
+	for (i = 0; i < num_iommu_ctx; i++)
+		buf_mgr->iommu_ctx[i] = iommu_ctx[i];
+}
+
+static int msm_isp_attach_ctx(struct msm_isp_buf_mgr *buf_mgr)
+{
+	int rc, i;
+	for (i = 0; i < buf_mgr->num_iommu_ctx; i++) {
+		rc = iommu_attach_device(buf_mgr->iommu_domain,
+			buf_mgr->iommu_ctx[i]);
+		if (rc) {
+			pr_err("%s: Iommu attach error\n", __func__);
+			return -EINVAL;
+		}
 	}
 	return 0;
 }
 
-static void msm_isp_detach_ctx(struct msm_isp_buf_mgr *buf_mgr,
-	struct device *iommu_ctx)
+static void msm_isp_detach_ctx(struct msm_isp_buf_mgr *buf_mgr)
 {
-	iommu_detach_device(buf_mgr->iommu_domain, iommu_ctx);
+	int i;
+	for (i = 0; i < buf_mgr->num_iommu_ctx; i++)
+		iommu_detach_device(buf_mgr->iommu_domain,
+			buf_mgr->iommu_ctx[i]);
 }
 
 static int msm_isp_init_isp_buf_mgr(
@@ -680,6 +708,7 @@
 	}
 
 	CDBG("%s: E\n", __func__);
+	msm_isp_attach_ctx(buf_mgr);
 	buf_mgr->num_buf_q = num_buf_q;
 	buf_mgr->bufq =
 		kzalloc(sizeof(struct msm_isp_bufq) * num_buf_q,
@@ -704,6 +733,7 @@
 	ion_client_destroy(buf_mgr->client);
 	kfree(buf_mgr->bufq);
 	buf_mgr->num_buf_q = 0;
+	msm_isp_detach_ctx(buf_mgr);
 	return 0;
 }
 
@@ -740,8 +770,7 @@
 	.flush_buf = msm_isp_flush_buf,
 	.buf_done = msm_isp_buf_done,
 	.buf_divert = msm_isp_buf_divert,
-	.attach_ctx = msm_isp_attach_ctx,
-	.detach_ctx = msm_isp_detach_ctx,
+	.register_ctx = msm_isp_register_ctx,
 	.buf_mgr_init = msm_isp_init_isp_buf_mgr,
 	.buf_mgr_deinit = msm_isp_deinit_isp_buf_mgr,
 };
diff --git a/drivers/media/platform/msm/camera_v2/isp/msm_buf_mgr.h b/drivers/media/platform/msm/camera_v2/isp/msm_buf_mgr.h
index d4e7c88..fda1a57 100644
--- a/drivers/media/platform/msm/camera_v2/isp/msm_buf_mgr.h
+++ b/drivers/media/platform/msm/camera_v2/isp/msm_buf_mgr.h
@@ -65,6 +65,7 @@
 	uint8_t buf_used[ISP_SHARE_BUF_CLIENT];
 	uint8_t buf_get_count;
 	uint8_t buf_put_count;
+	uint8_t buf_reuse_flag;
 };
 
 struct msm_isp_bufq {
@@ -111,10 +112,8 @@
 	int (*buf_divert) (struct msm_isp_buf_mgr *buf_mgr,
 		uint32_t bufq_handle, uint32_t buf_index,
 		struct timeval *tv, uint32_t frame_id);
-	int (*attach_ctx) (struct msm_isp_buf_mgr *buf_mgr,
-		struct device *iommu_ctx);
-	void (*detach_ctx) (struct msm_isp_buf_mgr *buf_mgr,
-		struct device *iommu_ctx);
+	void (*register_ctx) (struct msm_isp_buf_mgr *buf_mgr,
+		struct device **iommu_ctx, int num_iommu_ctx);
 	int (*buf_mgr_init) (struct msm_isp_buf_mgr *buf_mgr,
 		const char *ctx_name, uint16_t num_buf_q);
 	int (*buf_mgr_deinit) (struct msm_isp_buf_mgr *buf_mgr);
@@ -136,6 +135,9 @@
 	/*IOMMU specific*/
 	int iommu_domain_num;
 	struct iommu_domain *iommu_domain;
+
+	int num_iommu_ctx;
+	struct device *iommu_ctx[2];
 };
 
 int msm_isp_create_isp_buf_mgr(struct msm_isp_buf_mgr *buf_mgr,
diff --git a/drivers/media/platform/msm/camera_v2/isp/msm_isp.c b/drivers/media/platform/msm/camera_v2/isp/msm_isp.c
index 447c752..b31b3f1 100644
--- a/drivers/media/platform/msm/camera_v2/isp/msm_isp.c
+++ b/drivers/media/platform/msm/camera_v2/isp/msm_isp.c
@@ -138,6 +138,8 @@
 		kfree(vfe_dev);
 		return -EINVAL;
 	}
+	vfe_dev->buf_mgr->ops->register_ctx(vfe_dev->buf_mgr,
+		&vfe_dev->iommu_ctx[0], vfe_dev->hw_info->num_iommu_ctx);
 	vfe_dev->vfe_open_cnt = 0;
 end:
 	return rc;
diff --git a/drivers/media/platform/msm/camera_v2/isp/msm_isp.h b/drivers/media/platform/msm/camera_v2/isp/msm_isp.h
index 1b762ea..7bc2b7d 100644
--- a/drivers/media/platform/msm/camera_v2/isp/msm_isp.h
+++ b/drivers/media/platform/msm/camera_v2/isp/msm_isp.h
@@ -148,7 +148,8 @@
 		struct msm_vfe_stats_stream *stream_info);
 	void (*clear_framedrop) (struct vfe_device *vfe_dev,
 		struct msm_vfe_stats_stream *stream_info);
-	void (*cfg_comp_mask) (struct vfe_device *vfe_dev);
+	void (*cfg_comp_mask) (struct vfe_device *vfe_dev,
+		uint32_t stats_mask, uint8_t enable);
 	void (*cfg_wm_irq_mask) (struct vfe_device *vfe_dev,
 		struct msm_vfe_stats_stream *stream_info);
 	void (*clear_wm_irq_mask) (struct vfe_device *vfe_dev,
@@ -294,6 +295,7 @@
 		composite_info[MAX_NUM_COMPOSITE_MASK];
 	uint8_t num_used_composite_mask;
 	uint32_t stream_update;
+	enum msm_isp_camif_update_state pipeline_update;
 	struct msm_vfe_src_info src_info[VFE_SRC_MAX];
 	uint16_t stream_handle_cnt;
 	unsigned long event_mask;
@@ -312,6 +314,7 @@
 	STATS_ACTIVE,
 	STATS_START_PENDING,
 	STATS_STOP_PENDING,
+	STATS_STARTING,
 	STATS_STOPPING,
 };
 
@@ -319,9 +322,11 @@
 	uint32_t session_id;
 	uint32_t stream_id;
 	uint32_t stream_handle;
+	uint32_t composite_flag;
 	enum msm_isp_stats_type stats_type;
 	enum msm_vfe_stats_state state;
 	uint32_t framedrop_pattern;
+	uint32_t framedrop_period;
 	uint32_t irq_subsample_pattern;
 
 	uint32_t buffer_offset;
@@ -331,11 +336,10 @@
 
 struct msm_vfe_stats_shared_data {
 	struct msm_vfe_stats_stream stream_info[MSM_ISP_STATS_MAX];
-	enum msm_vfe_stats_pipeline_policy stats_pipeline_policy;
-	uint32_t comp_framedrop_pattern;
-	uint32_t comp_irq_subsample_pattern;
 	uint8_t num_active_stream;
+	atomic_t stats_comp_mask;
 	uint16_t stream_handle_cnt;
+	atomic_t stats_update;
 };
 
 struct msm_vfe_tasklet_queue_cmd {
@@ -380,6 +384,7 @@
 	struct completion reset_complete;
 	struct completion halt_complete;
 	struct completion stream_config_complete;
+	struct completion stats_config_complete;
 	struct mutex realtime_mutex;
 	struct mutex core_mutex;
 
diff --git a/drivers/media/platform/msm/camera_v2/isp/msm_isp32.c b/drivers/media/platform/msm/camera_v2/isp/msm_isp32.c
index d4f6a07..a251f0a 100644
--- a/drivers/media/platform/msm/camera_v2/isp/msm_isp32.c
+++ b/drivers/media/platform/msm/camera_v2/isp/msm_isp32.c
@@ -114,7 +114,7 @@
 	msm_camera_io_w(0x07FFFFFF, vfe_dev->vfe_base + 0xC);
 	/* BUS_CFG */
 	msm_camera_io_w(0x00000001, vfe_dev->vfe_base + 0x3C);
-	msm_camera_io_w(0x00000025, vfe_dev->vfe_base + 0x1C);
+	msm_camera_io_w(0x01000025, vfe_dev->vfe_base + 0x1C);
 	msm_camera_io_w_mb(0x1DFFFFFF, vfe_dev->vfe_base + 0x20);
 	msm_camera_io_w(0xFFFFFFFF, vfe_dev->vfe_base + 0x24);
 	msm_camera_io_w_mb(0x1FFFFFFF, vfe_dev->vfe_base + 0x28);
@@ -304,6 +304,8 @@
 
 	if (vfe_dev->axi_data.stream_update)
 		msm_isp_axi_stream_update(vfe_dev);
+	if (atomic_read(&vfe_dev->stats_data.stats_update))
+		msm_isp_stats_stream_update(vfe_dev);
 	msm_isp_update_framedrop_reg(vfe_dev);
 	msm_isp_update_error_frame_count(vfe_dev);
 
@@ -767,7 +769,8 @@
 	}
 }
 
-static void msm_vfe32_stats_cfg_comp_mask(struct vfe_device *vfe_dev)
+static void msm_vfe32_stats_cfg_comp_mask(struct vfe_device *vfe_dev,
+	uint32_t stats_mask, uint8_t enable)
 {
 	return;
 }
diff --git a/drivers/media/platform/msm/camera_v2/isp/msm_isp40.c b/drivers/media/platform/msm/camera_v2/isp/msm_isp40.c
index 256d136..5a17635 100644
--- a/drivers/media/platform/msm/camera_v2/isp/msm_isp40.c
+++ b/drivers/media/platform/msm/camera_v2/isp/msm_isp40.c
@@ -266,7 +266,7 @@
 	msm_camera_io_w(0xC001FF7F, vfe_dev->vfe_base + 0x974);
 	/* BUS_CFG */
 	msm_camera_io_w(0x10000001, vfe_dev->vfe_base + 0x50);
-	msm_camera_io_w(0x800000F3, vfe_dev->vfe_base + 0x28);
+	msm_camera_io_w(0xE00000F3, vfe_dev->vfe_base + 0x28);
 	msm_camera_io_w_mb(0xFEFFFFFF, vfe_dev->vfe_base + 0x2C);
 	msm_camera_io_w(0xFFFFFFFF, vfe_dev->vfe_base + 0x30);
 	msm_camera_io_w_mb(0xFEFFFFFF, vfe_dev->vfe_base + 0x34);
@@ -466,6 +466,8 @@
 
 	if (vfe_dev->axi_data.stream_update)
 		msm_isp_axi_stream_update(vfe_dev);
+	if (atomic_read(&vfe_dev->stats_data.stats_update))
+		msm_isp_stats_stream_update(vfe_dev);
 	msm_isp_update_framedrop_reg(vfe_dev);
 	msm_isp_update_error_frame_count(vfe_dev);
 
@@ -1003,12 +1005,16 @@
 	}
 }
 
-static void msm_vfe40_stats_cfg_comp_mask(struct vfe_device *vfe_dev)
+static void msm_vfe40_stats_cfg_comp_mask(struct vfe_device *vfe_dev,
+	uint32_t stats_mask, uint8_t enable)
 {
-	if (vfe_dev->stats_data.stats_pipeline_policy == STATS_COMP_ALL)
-		msm_camera_io_w(0x00FF0000, vfe_dev->vfe_base + 0x44);
+	uint32_t comp_mask;
+	comp_mask = msm_camera_io_r(vfe_dev->vfe_base + 0x44) >> 16;
+	if (enable)
+		comp_mask |= stats_mask;
 	else
-		msm_camera_io_w(0x00000000, vfe_dev->vfe_base + 0x44);
+		comp_mask &= ~stats_mask;
+	msm_camera_io_w(comp_mask << 16, vfe_dev->vfe_base + 0x44);
 }
 
 static void msm_vfe40_stats_cfg_wm_irq_mask(
@@ -1039,9 +1045,10 @@
 	uint32_t stats_base = VFE40_STATS_BASE(stats_idx);
 
 	/*WR_ADDR_CFG*/
-	msm_camera_io_w(0x7C, vfe_dev->vfe_base + stats_base + 0x8);
+	msm_camera_io_w(stream_info->framedrop_period << 2,
+		vfe_dev->vfe_base + stats_base + 0x8);
 	/*WR_IRQ_FRAMEDROP_PATTERN*/
-	msm_camera_io_w(0xFFFFFFFF,
+	msm_camera_io_w(stream_info->framedrop_pattern,
 		vfe_dev->vfe_base + stats_base + 0x10);
 	/*WR_IRQ_SUBSAMPLE_PATTERN*/
 	msm_camera_io_w(0xFFFFFFFF,
@@ -1189,11 +1196,9 @@
 		goto vfe_no_resource;
 	}
 
-	if (vfe_dev->pdev->id == 0)
-		vfe_dev->iommu_ctx[0] = msm_iommu_get_ctx("vfe0");
-	else if (vfe_dev->pdev->id == 1)
-		vfe_dev->iommu_ctx[0] = msm_iommu_get_ctx("vfe1");
-	if (!vfe_dev->iommu_ctx[0]) {
+	vfe_dev->iommu_ctx[0] = msm_iommu_get_ctx("vfe0");
+	vfe_dev->iommu_ctx[1] = msm_iommu_get_ctx("vfe1");
+	if (!vfe_dev->iommu_ctx[0] || !vfe_dev->iommu_ctx[1]) {
 		pr_err("%s: cannot get iommu_ctx\n", __func__);
 		rc = -ENODEV;
 		goto vfe_no_resource;
@@ -1245,7 +1250,7 @@
 };
 
 struct msm_vfe_hardware_info vfe40_hw_info = {
-	.num_iommu_ctx = 1,
+	.num_iommu_ctx = 2,
 	.vfe_clk_idx = VFE40_CLK_IDX,
 	.vfe_ops = {
 		.irq_ops = {
diff --git a/drivers/media/platform/msm/camera_v2/isp/msm_isp_axi_util.c b/drivers/media/platform/msm/camera_v2/isp/msm_isp_axi_util.c
index 477985d..728e172 100644
--- a/drivers/media/platform/msm/camera_v2/isp/msm_isp_axi_util.c
+++ b/drivers/media/platform/msm/camera_v2/isp/msm_isp_axi_util.c
@@ -389,31 +389,6 @@
 	msm_isp_send_event(vfe_dev, ISP_EVENT_SOF, &sof_event);
 }
 
-uint32_t msm_isp_get_framedrop_period(
-	enum msm_vfe_frame_skip_pattern frame_skip_pattern)
-{
-	switch (frame_skip_pattern) {
-	case NO_SKIP:
-	case EVERY_2FRAME:
-	case EVERY_3FRAME:
-	case EVERY_4FRAME:
-	case EVERY_5FRAME:
-	case EVERY_6FRAME:
-	case EVERY_7FRAME:
-	case EVERY_8FRAME:
-		return frame_skip_pattern + 1;
-	case EVERY_16FRAME:
-		return 16;
-		break;
-	case EVERY_32FRAME:
-		return 32;
-		break;
-	default:
-		return 1;
-	}
-	return 1;
-}
-
 void msm_isp_calculate_framedrop(
 	struct msm_vfe_axi_shared_data *axi_data,
 	struct msm_vfe_axi_stream_request_cmd *stream_cfg_cmd)
@@ -611,6 +586,13 @@
 				ACTIVE : INACTIVE;
 		}
 	}
+
+	if (vfe_dev->axi_data.pipeline_update == DISABLE_CAMIF) {
+		vfe_dev->hw_info->vfe_ops.stats_ops.
+			enable_module(vfe_dev, 0xFF, 0);
+		vfe_dev->axi_data.pipeline_update = NO_UPDATE;
+	}
+
 	vfe_dev->axi_data.stream_update--;
 	if (vfe_dev->axi_data.stream_update == 0)
 		complete(&vfe_dev->stream_config_complete);
@@ -849,12 +831,14 @@
 	return rc;
 }
 
-static int msm_isp_axi_wait_for_cfg_done(struct vfe_device *vfe_dev)
+static int msm_isp_axi_wait_for_cfg_done(struct vfe_device *vfe_dev,
+	enum msm_isp_camif_update_state camif_update)
 {
 	int rc;
 	unsigned long flags;
 	spin_lock_irqsave(&vfe_dev->shared_data_lock, flags);
 	init_completion(&vfe_dev->stream_config_complete);
+	vfe_dev->axi_data.pipeline_update = camif_update;
 	vfe_dev->axi_data.stream_update = 2;
 	spin_unlock_irqrestore(&vfe_dev->shared_data_lock, flags);
 	rc = wait_for_completion_interruptible_timeout(
@@ -958,7 +942,7 @@
 			update_camif_state(vfe_dev, camif_update);
 
 	if (wait_for_complete)
-		rc = msm_isp_axi_wait_for_cfg_done(vfe_dev);
+		rc = msm_isp_axi_wait_for_cfg_done(vfe_dev, camif_update);
 
 	return rc;
 }
@@ -976,7 +960,7 @@
 		stream_info->state = STOP_PENDING;
 	}
 
-	rc = msm_isp_axi_wait_for_cfg_done(vfe_dev);
+	rc = msm_isp_axi_wait_for_cfg_done(vfe_dev, camif_update);
 	if (rc < 0) {
 		pr_err("%s: wait for config done failed\n", __func__);
 		return rc;
diff --git a/drivers/media/platform/msm/camera_v2/isp/msm_isp_stats_util.c b/drivers/media/platform/msm/camera_v2/isp/msm_isp_stats_util.c
index c47209f..e08dea2 100644
--- a/drivers/media/platform/msm/camera_v2/isp/msm_isp_stats_util.c
+++ b/drivers/media/platform/msm/camera_v2/isp/msm_isp_stats_util.c
@@ -10,6 +10,7 @@
  * GNU General Public License for more details.
  */
 #include <linux/io.h>
+#include <linux/atomic.h>
 #include <media/v4l2-subdev.h>
 #include "msm_isp_util.h"
 #include "msm_isp_stats_util.h"
@@ -67,6 +68,7 @@
 	struct msm_isp_buffer *done_buf;
 	struct msm_vfe_stats_stream *stream_info = NULL;
 	uint32_t pingpong_status;
+	uint32_t comp_stats_type_mask = 0;
 	uint32_t stats_comp_mask = 0, stats_irq_mask = 0;
 	stats_comp_mask = vfe_dev->hw_info->vfe_ops.stats_ops.
 		get_comp_mask(irq_status0, irq_status1);
@@ -76,13 +78,17 @@
 		return;
 	ISP_DBG("%s: status: 0x%x\n", __func__, irq_status0);
 
-	if (vfe_dev->stats_data.stats_pipeline_policy == STATS_COMP_ALL) {
-		if (!stats_comp_mask)
-			return;
-		stats_irq_mask = 0xFFFFFFFF;
-	}
+	if (!stats_comp_mask)
+		stats_irq_mask &=
+			~atomic_read(&vfe_dev->stats_data.stats_comp_mask);
+	else
+		stats_irq_mask |=
+			atomic_read(&vfe_dev->stats_data.stats_comp_mask);
 
 	memset(&buf_event, 0, sizeof(struct msm_isp_event_data));
+	buf_event.timestamp = ts->event_time;
+	buf_event.frame_id =
+		vfe_dev->axi_data.src_info[VFE_PIX_0].frame_id;
 	pingpong_status = vfe_dev->hw_info->
 		vfe_ops.stats_ops.get_pingpong_status(vfe_dev);
 
@@ -98,22 +104,32 @@
 				done_buf->bufq_handle, done_buf->buf_idx,
 				&ts->buf_time, vfe_dev->axi_data.
 				src_info[VFE_PIX_0].frame_id);
-			if (rc == 0) {
-				stats_event->stats_mask |=
+			if (rc != 0)
+				continue;
+
+			stats_event->stats_buf_idxs[stream_info->stats_type] =
+				done_buf->buf_idx;
+			if (!stream_info->composite_flag) {
+				stats_event->stats_mask =
 					1 << stream_info->stats_type;
-				stats_event->stats_buf_idxs[
-					stream_info->stats_type] =
-					done_buf->buf_idx;
+				ISP_DBG("%s: stats event frame id: 0x%x\n",
+					__func__, buf_event.frame_id);
+				msm_isp_send_event(vfe_dev,
+					ISP_EVENT_STATS_NOTIFY +
+					stream_info->stats_type, &buf_event);
+			} else {
+				comp_stats_type_mask |=
+					1 << stream_info->stats_type;
 			}
 		}
 	}
 
-	if (stats_event->stats_mask) {
-		buf_event.timestamp = ts->event_time;
-		buf_event.frame_id =
-			vfe_dev->axi_data.src_info[VFE_PIX_0].frame_id;
-		msm_isp_send_event(vfe_dev, ISP_EVENT_STATS_NOTIFY +
-				stream_info->stats_type, &buf_event);
+	if (comp_stats_type_mask) {
+		ISP_DBG("%s: composite stats event frame id: 0x%x mask: 0x%x\n",
+			__func__, buf_event.frame_id, comp_stats_type_mask);
+		stats_event->stats_mask = comp_stats_type_mask;
+		msm_isp_send_event(vfe_dev,
+			ISP_EVENT_COMP_STATS_NOTIFY, &buf_event);
 	}
 }
 
@@ -140,36 +156,19 @@
 		return rc;
 	}
 
-	if (stats_data->stats_pipeline_policy != STATS_COMP_ALL) {
-		if (stream_req_cmd->framedrop_pattern >= MAX_SKIP) {
-			pr_err("%s: Invalid framedrop pattern\n", __func__);
-			return rc;
-		}
+	if (stream_req_cmd->framedrop_pattern >= MAX_SKIP) {
+		pr_err("%s: Invalid framedrop pattern\n", __func__);
+		return rc;
+	}
 
-		if (stream_req_cmd->irq_subsample_pattern >= MAX_SKIP) {
-			pr_err("%s: Invalid irq subsample pattern\n", __func__);
-			return rc;
-		}
-	} else {
-		if (stats_data->comp_framedrop_pattern >= MAX_SKIP) {
-			pr_err("%s: Invalid comp framedrop pattern\n",
-				__func__);
-			return rc;
-		}
-
-		if (stats_data->comp_irq_subsample_pattern >= MAX_SKIP) {
-			pr_err("%s: Invalid comp irq subsample pattern\n",
-				__func__);
-			return rc;
-		}
-		stream_req_cmd->framedrop_pattern =
-			vfe_dev->stats_data.comp_framedrop_pattern;
-		stream_req_cmd->irq_subsample_pattern =
-			vfe_dev->stats_data.comp_irq_subsample_pattern;
+	if (stream_req_cmd->irq_subsample_pattern >= MAX_SKIP) {
+		pr_err("%s: Invalid irq subsample pattern\n", __func__);
+		return rc;
 	}
 
 	stream_info->session_id = stream_req_cmd->session_id;
 	stream_info->stream_id = stream_req_cmd->stream_id;
+	stream_info->composite_flag = stream_req_cmd->composite_flag;
 	stream_info->stats_type = stream_req_cmd->stats_type;
 	stream_info->buffer_offset = stream_req_cmd->buffer_offset;
 	stream_info->framedrop_pattern = stream_req_cmd->framedrop_pattern;
@@ -193,6 +192,7 @@
 	struct msm_vfe_stats_stream_request_cmd *stream_req_cmd = arg;
 	struct msm_vfe_stats_stream *stream_info = NULL;
 	struct msm_vfe_stats_shared_data *stats_data = &vfe_dev->stats_data;
+	uint32_t framedrop_period;
 	uint32_t stats_idx;
 
 	rc = msm_isp_stats_create_stream(vfe_dev, stream_req_cmd);
@@ -204,31 +204,12 @@
 	stats_idx = STATS_IDX(stream_req_cmd->stream_handle);
 	stream_info = &stats_data->stream_info[stats_idx];
 
-	switch (stream_info->framedrop_pattern) {
-	case NO_SKIP:
-		stream_info->framedrop_pattern = VFE_NO_DROP;
-		break;
-	case EVERY_2FRAME:
-		stream_info->framedrop_pattern = VFE_DROP_EVERY_2FRAME;
-		break;
-	case EVERY_4FRAME:
-		stream_info->framedrop_pattern = VFE_DROP_EVERY_4FRAME;
-		break;
-	case EVERY_8FRAME:
-		stream_info->framedrop_pattern = VFE_DROP_EVERY_8FRAME;
-		break;
-	case EVERY_16FRAME:
-		stream_info->framedrop_pattern = VFE_DROP_EVERY_16FRAME;
-		break;
-	case EVERY_32FRAME:
-		stream_info->framedrop_pattern = VFE_DROP_EVERY_32FRAME;
-		break;
-	default:
-		stream_info->framedrop_pattern = VFE_NO_DROP;
-		break;
-	}
+	framedrop_period = msm_isp_get_framedrop_period(
+	   stream_req_cmd->framedrop_pattern);
+	stream_info->framedrop_pattern = 0x1;
+	stream_info->framedrop_period = framedrop_period - 1;
 
-	if (stats_data->stats_pipeline_policy == STATS_COMP_NONE)
+	if (!stream_info->composite_flag)
 		vfe_dev->hw_info->vfe_ops.stats_ops.
 			cfg_wm_irq_mask(vfe_dev, stream_info);
 
@@ -257,7 +238,7 @@
 		rc = msm_isp_cfg_stats_stream(vfe_dev, &stream_cfg_cmd);
 	}
 
-	if (stats_data->stats_pipeline_policy == STATS_COMP_NONE)
+	if (!stream_info->composite_flag)
 		vfe_dev->hw_info->vfe_ops.stats_ops.
 			clear_wm_irq_mask(vfe_dev, stream_info);
 
@@ -266,18 +247,145 @@
 	return 0;
 }
 
-int msm_isp_cfg_stats_stream(struct vfe_device *vfe_dev, void *arg)
+static int msm_isp_init_stats_ping_pong_reg(
+	struct vfe_device *vfe_dev,
+	struct msm_vfe_stats_stream *stream_info)
+{
+	int rc = 0;
+	stream_info->bufq_handle =
+		vfe_dev->buf_mgr->ops->get_bufq_handle(
+		vfe_dev->buf_mgr, stream_info->session_id,
+		stream_info->stream_id);
+	if (stream_info->bufq_handle == 0) {
+		pr_err("%s: no buf configured for stream: 0x%x\n",
+			__func__, stream_info->stream_handle);
+		return -EINVAL;
+	}
+
+	rc = msm_isp_stats_cfg_ping_pong_address(vfe_dev,
+		stream_info, VFE_PING_FLAG, NULL);
+	if (rc < 0) {
+		pr_err("%s: No free buffer for ping\n", __func__);
+		return rc;
+	}
+	rc = msm_isp_stats_cfg_ping_pong_address(vfe_dev,
+		stream_info, VFE_PONG_FLAG, NULL);
+	if (rc < 0) {
+		pr_err("%s: No free buffer for pong\n", __func__);
+		return rc;
+	}
+	return rc;
+}
+
+void msm_isp_stats_stream_update(struct vfe_device *vfe_dev)
+{
+	int i;
+	uint32_t stats_mask = 0, comp_stats_mask = 0;
+	uint32_t enable = 0;
+	struct msm_vfe_stats_shared_data *stats_data = &vfe_dev->stats_data;
+	for (i = 0; i < vfe_dev->hw_info->stats_hw_info->num_stats_type; i++) {
+		if (stats_data->stream_info[i].state == STATS_START_PENDING ||
+				stats_data->stream_info[i].state ==
+					STATS_STOP_PENDING) {
+			stats_mask |= i;
+			enable = stats_data->stream_info[i].state ==
+				STATS_START_PENDING ? 1 : 0;
+			stats_data->stream_info[i].state =
+				stats_data->stream_info[i].state ==
+				STATS_START_PENDING ?
+				STATS_STARTING : STATS_STOPPING;
+			vfe_dev->hw_info->vfe_ops.stats_ops.enable_module(
+				vfe_dev, BIT(i), enable);
+			vfe_dev->hw_info->vfe_ops.stats_ops.cfg_comp_mask(
+			   vfe_dev, BIT(i), enable);
+		} else if (stats_data->stream_info[i].state == STATS_STARTING ||
+			stats_data->stream_info[i].state == STATS_STOPPING) {
+			if (stats_data->stream_info[i].composite_flag)
+				comp_stats_mask |= i;
+			if (stats_data->stream_info[i].state == STATS_STARTING)
+				atomic_add(BIT(i),
+					&stats_data->stats_comp_mask);
+			else
+				atomic_sub(BIT(i),
+					&stats_data->stats_comp_mask);
+			stats_data->stream_info[i].state =
+				stats_data->stream_info[i].state ==
+				STATS_STARTING ? STATS_ACTIVE : STATS_INACTIVE;
+		}
+	}
+	atomic_sub(1, &stats_data->stats_update);
+	if (!atomic_read(&stats_data->stats_update))
+		complete(&vfe_dev->stats_config_complete);
+}
+
+static int msm_isp_stats_wait_for_cfg_done(struct vfe_device *vfe_dev)
+{
+	int rc;
+	init_completion(&vfe_dev->stats_config_complete);
+	atomic_set(&vfe_dev->stats_data.stats_update, 2);
+	rc = wait_for_completion_interruptible_timeout(
+		&vfe_dev->stats_config_complete,
+		msecs_to_jiffies(500));
+	if (rc == 0) {
+		pr_err("%s: wait timeout\n", __func__);
+		rc = -1;
+	} else {
+		rc = 0;
+	}
+	return rc;
+}
+
+static int msm_isp_start_stats_stream(struct vfe_device *vfe_dev,
+	struct msm_vfe_stats_stream_cfg_cmd *stream_cfg_cmd)
 {
 	int i, rc = 0;
-	struct msm_vfe_stats_stream_cfg_cmd *stream_cfg_cmd = arg;
+	uint32_t stats_mask = 0, comp_stats_mask = 0, idx;
 	struct msm_vfe_stats_stream *stream_info;
 	struct msm_vfe_stats_shared_data *stats_data = &vfe_dev->stats_data;
-	int idx;
-	uint32_t stats_mask = 0;
+	for (i = 0; i < stream_cfg_cmd->num_streams; i++) {
+		idx = STATS_IDX(stream_cfg_cmd->stream_handle[i]);
+		stream_info = &stats_data->stream_info[idx];
+		if (stream_info->stream_handle !=
+				stream_cfg_cmd->stream_handle[i]) {
+			pr_err("%s: Invalid stream handle: 0x%x received\n",
+				__func__, stream_cfg_cmd->stream_handle[i]);
+			continue;
+		}
+		rc = msm_isp_init_stats_ping_pong_reg(vfe_dev, stream_info);
+		if (rc < 0) {
+			pr_err("%s: No buffer for stream%d\n", __func__, idx);
+			return rc;
+		}
 
-	if (stats_data->num_active_stream == 0)
-		vfe_dev->hw_info->vfe_ops.stats_ops.cfg_ub(vfe_dev);
+		if (vfe_dev->axi_data.src_info[VFE_PIX_0].active)
+			stream_info->state = STATS_START_PENDING;
+		else
+			stream_info->state = STATS_ACTIVE;
 
+		stats_data->num_active_stream++;
+		stats_mask |= 1 << idx;
+		if (stream_info->composite_flag)
+			comp_stats_mask |= 1 << idx;
+	}
+	if (vfe_dev->axi_data.src_info[VFE_PIX_0].active) {
+		rc = msm_isp_stats_wait_for_cfg_done(vfe_dev);
+	} else {
+		vfe_dev->hw_info->vfe_ops.stats_ops.enable_module(
+			vfe_dev, stats_mask, stream_cfg_cmd->enable);
+		atomic_add(comp_stats_mask, &stats_data->stats_comp_mask);
+		vfe_dev->hw_info->vfe_ops.stats_ops.cfg_comp_mask(
+		   vfe_dev, comp_stats_mask, 1);
+	}
+	return rc;
+}
+
+static int msm_isp_stop_stats_stream(struct vfe_device *vfe_dev,
+	struct msm_vfe_stats_stream_cfg_cmd *stream_cfg_cmd)
+{
+	int i, rc = 0;
+	uint32_t stats_mask = 0, comp_stats_mask = 0, idx;
+	struct msm_vfe_stats_stream *stream_info;
+	struct msm_vfe_stats_shared_data *stats_data = &vfe_dev->stats_data;
 	for (i = 0; i < stream_cfg_cmd->num_streams; i++) {
 		idx = STATS_IDX(stream_cfg_cmd->stream_handle[i]);
 		stream_info = &stats_data->stream_info[idx];
@@ -288,71 +396,39 @@
 			continue;
 		}
 
-		if (stream_cfg_cmd->enable) {
-			stream_info->bufq_handle =
-				vfe_dev->buf_mgr->ops->get_bufq_handle(
-				vfe_dev->buf_mgr, stream_info->session_id,
-				stream_info->stream_id);
-				if (stream_info->bufq_handle == 0) {
-					pr_err("%s: no buf configured for stream: 0x%x\n",
-						__func__,
-						stream_info->stream_handle);
-					return -EINVAL;
-				}
-
-			msm_isp_stats_cfg_ping_pong_address(vfe_dev,
-				stream_info, VFE_PING_FLAG, NULL);
-			msm_isp_stats_cfg_ping_pong_address(vfe_dev,
-				stream_info, VFE_PONG_FLAG, NULL);
-			stream_info->state = STATS_START_PENDING;
-			stats_data->num_active_stream++;
-		} else {
+		if (vfe_dev->axi_data.src_info[VFE_PIX_0].active)
 			stream_info->state = STATS_STOP_PENDING;
-			stats_data->num_active_stream--;
-		}
+		else
+			stream_info->state = STATS_INACTIVE;
+
+		stats_data->num_active_stream--;
 		stats_mask |= 1 << idx;
+		if (stream_info->composite_flag)
+			comp_stats_mask |= 1 << idx;
 	}
-	vfe_dev->hw_info->vfe_ops.stats_ops.
-		enable_module(vfe_dev, stats_mask, stream_cfg_cmd->enable);
+	if (vfe_dev->axi_data.src_info[VFE_PIX_0].active) {
+		rc = msm_isp_stats_wait_for_cfg_done(vfe_dev);
+	} else {
+		vfe_dev->hw_info->vfe_ops.stats_ops.enable_module(
+			vfe_dev, stats_mask, stream_cfg_cmd->enable);
+		atomic_sub(comp_stats_mask, &stats_data->stats_comp_mask);
+		vfe_dev->hw_info->vfe_ops.stats_ops.cfg_comp_mask(
+		   vfe_dev, comp_stats_mask, 0);
+	}
 	return rc;
 }
 
-int msm_isp_cfg_stats_comp_policy(struct vfe_device *vfe_dev, void *arg)
+int msm_isp_cfg_stats_stream(struct vfe_device *vfe_dev, void *arg)
 {
-	int rc = -1;
-	struct msm_vfe_stats_comp_policy_cfg *policy_cfg_cmd = arg;
-	struct msm_vfe_stats_shared_data *stats_data = &vfe_dev->stats_data;
+	int rc = 0;
+	struct msm_vfe_stats_stream_cfg_cmd *stream_cfg_cmd = arg;
+	if (vfe_dev->stats_data.num_active_stream == 0)
+		vfe_dev->hw_info->vfe_ops.stats_ops.cfg_ub(vfe_dev);
 
-	if (stats_data->num_active_stream != 0) {
-		pr_err("%s: Cannot update policy when there are active streams\n",
-			   __func__);
-		return rc;
-	}
+	if (stream_cfg_cmd->enable)
+		rc = msm_isp_start_stats_stream(vfe_dev, stream_cfg_cmd);
+	else
+		rc = msm_isp_stop_stats_stream(vfe_dev, stream_cfg_cmd);
 
-	if (policy_cfg_cmd->stats_pipeline_policy >= MAX_STATS_POLICY) {
-		pr_err("%s: Invalid stats composite policy\n", __func__);
-		return rc;
-	}
-
-	if (policy_cfg_cmd->comp_framedrop_pattern >= MAX_SKIP) {
-		pr_err("%s: Invalid comp framedrop pattern\n", __func__);
-		return rc;
-	}
-
-	if (policy_cfg_cmd->comp_irq_subsample_pattern >= MAX_SKIP) {
-		pr_err("%s: Invalid comp irq subsample pattern\n", __func__);
-		return rc;
-	}
-
-	stats_data->stats_pipeline_policy =
-		policy_cfg_cmd->stats_pipeline_policy;
-	stats_data->comp_framedrop_pattern =
-		policy_cfg_cmd->comp_framedrop_pattern;
-	stats_data->comp_irq_subsample_pattern =
-		policy_cfg_cmd->comp_irq_subsample_pattern;
-
-	vfe_dev->hw_info->vfe_ops.stats_ops.cfg_comp_mask(vfe_dev);
-
-	return 0;
+	return rc;
 }
-
diff --git a/drivers/media/platform/msm/camera_v2/isp/msm_isp_stats_util.h b/drivers/media/platform/msm/camera_v2/isp/msm_isp_stats_util.h
index 13e1fd6..7b4c4b4 100644
--- a/drivers/media/platform/msm/camera_v2/isp/msm_isp_stats_util.h
+++ b/drivers/media/platform/msm/camera_v2/isp/msm_isp_stats_util.h
@@ -18,8 +18,8 @@
 void msm_isp_process_stats_irq(struct vfe_device *vfe_dev,
 	uint32_t irq_status0, uint32_t irq_status1,
 	struct msm_isp_timestamp *ts);
+void msm_isp_stats_stream_update(struct vfe_device *vfe_dev);
 int msm_isp_cfg_stats_stream(struct vfe_device *vfe_dev, void *arg);
 int msm_isp_release_stats_stream(struct vfe_device *vfe_dev, void *arg);
 int msm_isp_request_stats_stream(struct vfe_device *vfe_dev, void *arg);
-int msm_isp_cfg_stats_comp_policy(struct vfe_device *vfe_dev, void *arg);
 #endif /* __MSM_ISP_STATS_UTIL_H__ */
diff --git a/drivers/media/platform/msm/camera_v2/isp/msm_isp_util.c b/drivers/media/platform/msm/camera_v2/isp/msm_isp_util.c
index 9fd87f3..c981901 100644
--- a/drivers/media/platform/msm/camera_v2/isp/msm_isp_util.c
+++ b/drivers/media/platform/msm/camera_v2/isp/msm_isp_util.c
@@ -12,6 +12,7 @@
 #include <linux/mutex.h>
 #include <linux/io.h>
 #include <media/v4l2-subdev.h>
+#include <linux/ratelimit.h>
 
 #include "msm.h"
 #include "msm_isp_util.h"
@@ -121,7 +122,7 @@
 	path->vectors[0].ab = MSM_ISP_MIN_AB;
 	path->vectors[0].ib = MSM_ISP_MIN_IB;
 	for (i = 0; i < MAX_ISP_CLIENT; i++) {
-		if (isp_bandwidth_mgr.client_info[client].active) {
+		if (isp_bandwidth_mgr.client_info[i].active) {
 			path->vectors[0].ab +=
 				isp_bandwidth_mgr.client_info[i].ab;
 			path->vectors[0].ib +=
@@ -154,6 +155,31 @@
 	mutex_unlock(&bandwidth_mgr_mutex);
 }
 
+uint32_t msm_isp_get_framedrop_period(
+	enum msm_vfe_frame_skip_pattern frame_skip_pattern)
+{
+	switch (frame_skip_pattern) {
+	case NO_SKIP:
+	case EVERY_2FRAME:
+	case EVERY_3FRAME:
+	case EVERY_4FRAME:
+	case EVERY_5FRAME:
+	case EVERY_6FRAME:
+	case EVERY_7FRAME:
+	case EVERY_8FRAME:
+		return frame_skip_pattern + 1;
+	case EVERY_16FRAME:
+		return 16;
+		break;
+	case EVERY_32FRAME:
+		return 32;
+		break;
+	default:
+		return 1;
+	}
+	return 1;
+}
+
 static inline void msm_isp_get_timestamp(struct msm_isp_timestamp *time_stamp)
 {
 	struct timespec ts;
@@ -355,11 +381,6 @@
 		rc = msm_isp_cfg_stats_stream(vfe_dev, arg);
 		mutex_unlock(&vfe_dev->core_mutex);
 		break;
-	case VIDIOC_MSM_ISP_CFG_STATS_COMP_POLICY:
-		mutex_lock(&vfe_dev->core_mutex);
-		rc = msm_isp_cfg_stats_comp_policy(vfe_dev, arg);
-		mutex_unlock(&vfe_dev->core_mutex);
-		break;
 	case VIDIOC_MSM_ISP_UPDATE_STREAM:
 		mutex_lock(&vfe_dev->core_mutex);
 		rc = msm_isp_update_axi_stream(vfe_dev, arg);
@@ -686,6 +707,11 @@
 {
 	int i;
 	struct msm_vfe_error_info *error_info = &vfe_dev->error_info;
+	static DEFINE_RATELIMIT_STATE(rs,
+		DEFAULT_RATELIMIT_INTERVAL, DEFAULT_RATELIMIT_BURST);
+	static DEFINE_RATELIMIT_STATE(rs_stats,
+		DEFAULT_RATELIMIT_INTERVAL, DEFAULT_RATELIMIT_BURST);
+
 	if (error_info->error_count == 1 ||
 		!(error_info->info_dump_frame_count % 100)) {
 		vfe_dev->hw_info->vfe_ops.core_ops.
@@ -695,7 +721,8 @@
 		error_info->camif_status = 0;
 		error_info->violation_status = 0;
 		for (i = 0; i < MAX_NUM_STREAM; i++) {
-			if (error_info->stream_framedrop_count[i] != 0) {
+			if (error_info->stream_framedrop_count[i] != 0 &&
+				__ratelimit(&rs)) {
 				pr_err("%s: Stream[%d]: dropped %d frames\n",
 					__func__, i,
 					error_info->stream_framedrop_count[i]);
@@ -703,7 +730,8 @@
 			}
 		}
 		for (i = 0; i < MSM_ISP_STATS_MAX; i++) {
-			if (error_info->stats_framedrop_count[i] != 0) {
+			if (error_info->stats_framedrop_count[i] != 0 &&
+				__ratelimit(&rs_stats)) {
 				pr_err("%s: Stats stream[%d]: dropped %d frames\n",
 					__func__, i,
 					error_info->stats_framedrop_count[i]);
@@ -750,7 +778,8 @@
 	spin_lock_irqsave(&vfe_dev->tasklet_lock, flags);
 	queue_cmd = &vfe_dev->tasklet_queue_cmd[vfe_dev->taskletq_idx];
 	if (queue_cmd->cmd_used) {
-		pr_err("%s: Tasklet queue overflow\n", __func__);
+		pr_err_ratelimited("%s: Tasklet queue overflow: %d\n",
+			__func__, vfe_dev->pdev->id);
 		list_del(&queue_cmd->list);
 	} else {
 		atomic_add(1, &vfe_dev->irq_cnt);
@@ -818,7 +847,6 @@
 
 int msm_isp_open_node(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
 {
-	uint32_t i;
 	struct vfe_device *vfe_dev = v4l2_get_subdevdata(sd);
 	long rc;
 	ISP_DBG("%s\n", __func__);
@@ -851,9 +879,6 @@
 
 	vfe_dev->hw_info->vfe_ops.core_ops.init_hw_reg(vfe_dev);
 
-	for (i = 0; i < vfe_dev->hw_info->num_iommu_ctx; i++)
-		vfe_dev->buf_mgr->ops->attach_ctx(vfe_dev->buf_mgr,
-			vfe_dev->iommu_ctx[i]);
 	vfe_dev->buf_mgr->ops->buf_mgr_init(vfe_dev->buf_mgr, "msm_isp", 28);
 
 	memset(&vfe_dev->axi_data, 0, sizeof(struct msm_vfe_axi_shared_data));
@@ -870,7 +895,6 @@
 
 int msm_isp_close_node(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
 {
-	int i;
 	long rc;
 	struct vfe_device *vfe_dev = v4l2_get_subdevdata(sd);
 	ISP_DBG("%s\n", __func__);
@@ -888,11 +912,6 @@
 		pr_err("%s: halt timeout\n", __func__);
 
 	vfe_dev->buf_mgr->ops->buf_mgr_deinit(vfe_dev->buf_mgr);
-
-	for (i = vfe_dev->hw_info->num_iommu_ctx - 1; i >= 0; i--)
-		vfe_dev->buf_mgr->ops->detach_ctx(vfe_dev->buf_mgr,
-			vfe_dev->iommu_ctx[i]);
-
 	vfe_dev->hw_info->vfe_ops.core_ops.release_hw(vfe_dev);
 
 	vfe_dev->vfe_open_cnt--;
diff --git a/drivers/media/platform/msm/camera_v2/isp/msm_isp_util.h b/drivers/media/platform/msm/camera_v2/isp/msm_isp_util.h
index 7934f26..34b9859 100644
--- a/drivers/media/platform/msm/camera_v2/isp/msm_isp_util.h
+++ b/drivers/media/platform/msm/camera_v2/isp/msm_isp_util.h
@@ -43,6 +43,9 @@
 	struct msm_isp_bandwidth_info client_info[MAX_ISP_CLIENT];
 };
 
+uint32_t msm_isp_get_framedrop_period(
+	enum msm_vfe_frame_skip_pattern frame_skip_pattern);
+
 int msm_isp_init_bandwidth_mgr(enum msm_isp_hw_client client);
 int msm_isp_update_bandwidth(enum msm_isp_hw_client client,
 	uint64_t ab, uint64_t ib);
diff --git a/drivers/media/platform/msm/camera_v2/ispif/msm_ispif.c b/drivers/media/platform/msm/camera_v2/ispif/msm_ispif.c
index 9dcd64c..962c079 100644
--- a/drivers/media/platform/msm/camera_v2/ispif/msm_ispif.c
+++ b/drivers/media/platform/msm/camera_v2/ispif/msm_ispif.c
@@ -11,7 +11,6 @@
  */
 
 #include <linux/delay.h>
-#include <linux/clk.h>
 #include <linux/io.h>
 #include <linux/module.h>
 #include <linux/jiffies.h>
@@ -60,113 +59,6 @@
 		false : true;
 }
 
-static struct msm_cam_clk_info ispif_8960_clk_info[] = {
-	{"csi_pix_clk", 0},
-	{"csi_rdi_clk", 0},
-	{"csi_pix1_clk", 0},
-	{"csi_rdi1_clk", 0},
-	{"csi_rdi2_clk", 0},
-};
-
-static struct msm_cam_clk_info ispif_8974_clk_info_vfe0[] = {
-	{"camss_vfe_vfe_clk", -1},
-	{"camss_csi_vfe_clk", -1},
-};
-
-static struct msm_cam_clk_info ispif_8974_clk_info_vfe1[] = {
-	{"camss_vfe_vfe_clk1", -1},
-	{"camss_csi_vfe_clk1", -1},
-};
-
-static int msm_ispif_clk_enable_one(struct ispif_device *ispif,
-	enum msm_ispif_vfe_intf vfe_intf, int enable)
-{
-	int rc = 0;
-
-	if (enable)
-		pr_debug("enable clk for VFE%d\n", vfe_intf);
-	else
-		pr_debug("disable clk for VFE%d\n", vfe_intf);
-
-	if (ispif->csid_version < CSID_VERSION_V2) {
-		rc = msm_cam_clk_enable(&ispif->pdev->dev, ispif_8960_clk_info,
-			ispif->ispif_clk[vfe_intf], 2, enable);
-		if (rc) {
-			pr_err("%s: cannot enable clock, error = %d\n",
-				__func__, rc);
-			goto end;
-		}
-	} else if (ispif->csid_version == CSID_VERSION_V2) {
-		rc = msm_cam_clk_enable(&ispif->pdev->dev, ispif_8960_clk_info,
-			ispif->ispif_clk[vfe_intf],
-			ARRAY_SIZE(ispif_8960_clk_info),
-			enable);
-		if (rc) {
-			pr_err("%s: cannot enable clock, error = %d\n",
-				__func__, rc);
-			goto end;
-		}
-	} else if (ispif->csid_version >= CSID_VERSION_V3) {
-		if (vfe_intf == VFE0) {
-			rc = msm_cam_clk_enable(&ispif->pdev->dev,
-				ispif_8974_clk_info_vfe0,
-				ispif->ispif_clk[vfe_intf],
-				ARRAY_SIZE(ispif_8974_clk_info_vfe0), enable);
-		} else {
-			rc = msm_cam_clk_enable(&ispif->pdev->dev,
-				ispif_8974_clk_info_vfe1,
-				ispif->ispif_clk[vfe_intf],
-				ARRAY_SIZE(ispif_8974_clk_info_vfe1), enable);
-		}
-		if (rc) {
-			pr_err("%s: cannot enable clock, error = %d, vfeid = %d\n",
-				__func__, rc, vfe_intf);
-			goto end;
-		}
-	} else {
-		pr_err("%s: unsupported version=%d\n", __func__,
-			ispif->csid_version);
-		goto end;
-	}
-
-end:
-	return rc;
-}
-
-static int msm_ispif_clk_enable(struct ispif_device *ispif,
-	struct msm_ispif_param_data *params, int enable)
-{
-	int rc = 0;
-	int i, j;
-	uint32_t vfe_intf_mask = 0;
-
-	for (i = 0; i < params->num; i++) {
-		if (vfe_intf_mask & (1 << params->entries[i].vfe_intf))
-			continue;
-		rc = msm_ispif_clk_enable_one(ispif,
-			params->entries[i].vfe_intf, 1);
-		if (rc < 0 && enable) {
-			pr_err("%s: unable to enable clocks for VFE %d",
-				__func__, params->entries[i].vfe_intf);
-			for (j = 0; j < i; j++) {
-				/* if VFE clock is not enabled do
-				 * not disable the clock */
-				if (!(vfe_intf_mask & (1 <<
-						params->entries[i].vfe_intf)))
-					continue;
-				msm_ispif_clk_enable_one(ispif,
-					params->entries[j].vfe_intf, 0);
-				/* remove the VFE ID from the mask */
-				vfe_intf_mask &=
-					~(1 << params->entries[i].vfe_intf);
-			}
-			break;
-		}
-		vfe_intf_mask |= 1 << params->entries[i].vfe_intf;
-	}
-	return rc;
-}
-
 static struct msm_cam_clk_info ispif_8974_ahb_clk_info[] = {
 	{"ispif_ahb_clk", -1},
 };
@@ -191,139 +83,51 @@
 	return rc;
 }
 
-static int msm_ispif_intf_reset(struct ispif_device *ispif,
-	struct msm_ispif_param_data *params)
-{
-
-	int i, rc = 0;
-	enum msm_ispif_intftype intf_type;
-	int vfe_intf = 0;
-	uint32_t data = 0;
-
-	for (i = 0; i < params->num; i++) {
-		data = STROBED_RST_EN;
-		vfe_intf = params->entries[i].vfe_intf;
-		intf_type = params->entries[i].intftype;
-		ispif->sof_count[params->entries[i].vfe_intf].
-			sof_cnt[intf_type] = 0;
-
-		switch (intf_type) {
-		case PIX0:
-			data |= (PIX_0_VFE_RST_STB | PIX_0_CSID_RST_STB);
-			break;
-		case RDI0:
-			data |= (RDI_0_VFE_RST_STB | RDI_0_CSID_RST_STB);
-			break;
-		case PIX1:
-			data |= (PIX_1_VFE_RST_STB | PIX_1_CSID_RST_STB);
-			break;
-		case RDI1:
-			data |= (RDI_1_VFE_RST_STB | RDI_1_CSID_RST_STB);
-			break;
-		case RDI2:
-			data |= (RDI_2_VFE_RST_STB | RDI_2_CSID_RST_STB);
-			break;
-		default:
-			rc = -EINVAL;
-			break;
-		}
-		if (data > 0x1) {
-			unsigned long jiffes = msecs_to_jiffies(500);
-			long lrc = 0;
-			unsigned long flags;
-
-			spin_lock_irqsave(
-				&ispif->auto_complete_lock, flags);
-			ispif->wait_timeout[vfe_intf] = 0;
-			init_completion(&ispif->reset_complete[vfe_intf]);
-			spin_unlock_irqrestore(
-				&ispif->auto_complete_lock, flags);
-
-			if (vfe_intf == VFE0)
-				msm_camera_io_w(data, ispif->base +
-					ISPIF_RST_CMD_ADDR);
-			else
-				msm_camera_io_w(data, ispif->base +
-					ISPIF_RST_CMD_1_ADDR);
-			lrc = wait_for_completion_interruptible_timeout(
-				&ispif->reset_complete[vfe_intf], jiffes);
-			if (lrc < 0 || !lrc) {
-				pr_err("%s: wait timeout ret = %ld, vfe_id = %d\n",
-					__func__, lrc, vfe_intf);
-				rc = -EIO;
-
-				spin_lock_irqsave(
-					&ispif->auto_complete_lock, flags);
-				ispif->wait_timeout[vfe_intf] = 1;
-				spin_unlock_irqrestore(
-					&ispif->auto_complete_lock, flags);
-			}
-		}
-	}
-
-	return rc;
-}
-
 static int msm_ispif_reset(struct ispif_device *ispif)
 {
 	int rc = 0;
-	long lrc = 0;
-	unsigned long jiffes = msecs_to_jiffies(500);
-	unsigned long flags;
-
-	spin_lock_irqsave(&ispif->auto_complete_lock, flags);
-	ispif->wait_timeout[VFE0] = 0;
-	init_completion(&ispif->reset_complete[VFE0]);
-	if (ispif->csid_version >= CSID_VERSION_V3 &&
-		ispif->vfe_info.num_vfe > 1) {
-		ispif->wait_timeout[VFE1] = 0;
-		init_completion(&ispif->reset_complete[VFE1]);
-	}
-	spin_unlock_irqrestore(&ispif->auto_complete_lock, flags);
+	int i;
 
 	BUG_ON(!ispif);
 
 	memset(ispif->sof_count, 0, sizeof(ispif->sof_count));
 
-	msm_camera_io_w(ISPIF_RST_CMD_MASK, ispif->base + ISPIF_RST_CMD_ADDR);
+	for (i = 0; i < ispif->vfe_info.num_vfe; i++) {
 
-	lrc = wait_for_completion_interruptible_timeout(
-		&ispif->reset_complete[VFE0], jiffes);
+		msm_camera_io_w(0, ispif->base + ISPIF_VFE_m_CTRL_0(i));
+		msm_camera_io_w(0, ispif->base + ISPIF_VFE_m_IRQ_MASK_0(i));
+		msm_camera_io_w(0, ispif->base + ISPIF_VFE_m_IRQ_MASK_1(i));
+		msm_camera_io_w(0, ispif->base + ISPIF_VFE_m_IRQ_MASK_2(i));
+		msm_camera_io_w(0xFFFFFFFF, ispif->base +
+			ISPIF_VFE_m_IRQ_CLEAR_0(i));
+		msm_camera_io_w(0xFFFFFFFF, ispif->base +
+			ISPIF_VFE_m_IRQ_CLEAR_1(i));
+		msm_camera_io_w(0xFFFFFFFF, ispif->base +
+			ISPIF_VFE_m_IRQ_CLEAR_2(i));
+		msm_camera_io_w(0, ispif->base + ISPIF_VFE_m_INPUT_SEL(i));
+		msm_camera_io_w(0, ispif->base + ISPIF_VFE_m_INTF_CMD_0(i));
+		msm_camera_io_w(0, ispif->base + ISPIF_VFE_m_INTF_CMD_1(i));
 
-	if (lrc < 0 || !lrc) {
-		pr_err("%s: wait timeout ret = %ld, vfeid = %d\n",
-			__func__, lrc, VFE0);
-		rc = -EIO;
+		msm_camera_io_w(0, ispif->base +
+			ISPIF_VFE_m_PIX_INTF_n_CID_MASK(i, 0));
+		msm_camera_io_w(0, ispif->base +
+			ISPIF_VFE_m_PIX_INTF_n_CID_MASK(i, 1));
+		msm_camera_io_w(0, ispif->base +
+			ISPIF_VFE_m_PIX_INTF_n_CID_MASK(i, 0));
+		msm_camera_io_w(0, ispif->base +
+			ISPIF_VFE_m_PIX_INTF_n_CID_MASK(i, 1));
+		msm_camera_io_w(0, ispif->base +
+			ISPIF_VFE_m_PIX_INTF_n_CID_MASK(i, 2));
 
-		spin_lock_irqsave(&ispif->auto_complete_lock, flags);
-		ispif->wait_timeout[VFE0] = 1;
-		spin_unlock_irqrestore(&ispif->auto_complete_lock, flags);
-
-		goto end;
+		msm_camera_io_w(0, ispif->base +
+			ISPIF_VFE_m_PIX_INTF_n_CROP(i, 0));
+		msm_camera_io_w(0, ispif->base +
+			ISPIF_VFE_m_PIX_INTF_n_CROP(i, 1));
 	}
 
-	if (ispif->csid_version >= CSID_VERSION_V3 &&
-		ispif->vfe_info.num_vfe > 1) {
-		msm_camera_io_w_mb(ISPIF_RST_CMD_1_MASK, ispif->base +
-			ISPIF_RST_CMD_1_ADDR);
+	msm_camera_io_w_mb(ISPIF_IRQ_GLOBAL_CLEAR_CMD, ispif->base +
+		ISPIF_IRQ_GLOBAL_CLEAR_CMD_ADDR);
 
-		lrc = wait_for_completion_interruptible_timeout(
-			&ispif->reset_complete[VFE1], jiffes);
-
-		if (lrc < 0 || !lrc) {
-			pr_err("%s: wait timeout ret = %ld, vfeid = %d\n",
-				__func__, lrc, VFE1);
-			rc = -EIO;
-
-			spin_lock_irqsave(&ispif->auto_complete_lock, flags);
-			ispif->wait_timeout[VFE1] = 1;
-			spin_unlock_irqrestore(&ispif->auto_complete_lock,
-				flags);
-		}
-
-	}
-
-end:
 	return rc;
 }
 
@@ -339,7 +143,6 @@
 static void msm_ispif_sel_csid_core(struct ispif_device *ispif,
 	uint8_t intftype, uint8_t csid, uint8_t vfe_intf)
 {
-	int rc = 0;
 	uint32_t data;
 
 	BUG_ON(!ispif);
@@ -349,19 +152,6 @@
 		return;
 	}
 
-	if (ispif->csid_version <= CSID_VERSION_V2) {
-		if (ispif->ispif_clk[vfe_intf][intftype] == NULL) {
-			CDBG("%s: ispif NULL clk\n", __func__);
-			return;
-		}
-
-		rc = clk_set_rate(ispif->ispif_clk[vfe_intf][intftype], csid);
-		if (rc) {
-			pr_err("%s: clk_set_rate failed %d\n", __func__, rc);
-			return;
-		}
-	}
-
 	data = msm_camera_io_r(ispif->base + ISPIF_VFE_m_INPUT_SEL(vfe_intf));
 	switch (intftype) {
 	case PIX0:
@@ -385,9 +175,9 @@
 		data |= (csid << 20);
 		break;
 	}
-	if (data)
-		msm_camera_io_w_mb(data, ispif->base +
-			ISPIF_VFE_m_INPUT_SEL(vfe_intf));
+
+	msm_camera_io_w_mb(data, ispif->base +
+		ISPIF_VFE_m_INPUT_SEL(vfe_intf));
 }
 
 static void msm_ispif_enable_crop(struct ispif_device *ispif,
@@ -504,6 +294,58 @@
 	return rc;
 }
 
+static void msm_ispif_select_clk_mux(struct ispif_device *ispif,
+	uint8_t intftype, uint8_t csid, uint8_t vfe_intf)
+{
+	uint32_t data = 0;
+
+	switch (intftype) {
+	case PIX0:
+		data = msm_camera_io_r(ispif->clk_mux_base);
+		data &= ~(0xf << (vfe_intf * 8));
+		data |= (csid << (vfe_intf * 8));
+		msm_camera_io_w(data, ispif->clk_mux_base);
+		break;
+
+	case RDI0:
+		data = msm_camera_io_r(ispif->clk_mux_base +
+			ISPIF_RDI_CLK_MUX_SEL_ADDR);
+		data &= ~(0xf << (vfe_intf * 12));
+		data |= (csid << (vfe_intf * 12));
+		msm_camera_io_w(data, ispif->clk_mux_base +
+			ISPIF_RDI_CLK_MUX_SEL_ADDR);
+		break;
+
+	case PIX1:
+		data = msm_camera_io_r(ispif->clk_mux_base);
+		data &= ~(0xf0 << (vfe_intf * 8));
+		data |= (csid << (4 + (vfe_intf * 8)));
+		msm_camera_io_w(data, ispif->clk_mux_base);
+		break;
+
+	case RDI1:
+		data = msm_camera_io_r(ispif->clk_mux_base +
+			ISPIF_RDI_CLK_MUX_SEL_ADDR);
+		data &= ~(0xf << (4 + (vfe_intf * 12)));
+		data |= (csid << (4 + (vfe_intf * 12)));
+		msm_camera_io_w(data, ispif->clk_mux_base +
+			ISPIF_RDI_CLK_MUX_SEL_ADDR);
+		break;
+
+	case RDI2:
+		data = msm_camera_io_r(ispif->clk_mux_base +
+			ISPIF_RDI_CLK_MUX_SEL_ADDR);
+		data &= ~(0xf << (8 + (vfe_intf * 12)));
+		data |= (csid << (8 + (vfe_intf * 12)));
+		msm_camera_io_w(data, ispif->clk_mux_base +
+			ISPIF_RDI_CLK_MUX_SEL_ADDR);
+		break;
+	}
+	CDBG("%s intftype %d data %x\n", __func__, intftype, data);
+	mb();
+	return;
+}
+
 static uint16_t msm_ispif_get_cids_mask_from_cfg(
 	struct msm_ispif_params_entry *entry)
 {
@@ -536,11 +378,6 @@
 		return rc;
 	}
 
-	rc = msm_ispif_clk_enable(ispif, params, 1);
-	if (rc < 0) {
-		pr_err("%s: unable to enable clocks", __func__);
-		return rc;
-	}
 	for (i = 0; i < params->num; i++) {
 		vfe_intf = params->entries[i].vfe_intf;
 		if (!msm_ispif_is_intf_valid(ispif->csid_version,
@@ -573,6 +410,10 @@
 			return -EINVAL;
 		}
 
+		if (ispif->csid_version >= CSID_VERSION_V3)
+				msm_ispif_select_clk_mux(ispif, intftype,
+				params->entries[i].csid, vfe_intf);
+
 		rc = msm_ispif_validate_intf_status(ispif, intftype, vfe_intf);
 		if (rc) {
 			pr_err("%s:validate_intf_status failed, rc = %d\n",
@@ -615,8 +456,6 @@
 	msm_camera_io_w_mb(ISPIF_IRQ_GLOBAL_CLEAR_CMD, ispif->base +
 		ISPIF_IRQ_GLOBAL_CLEAR_CMD_ADDR);
 
-	msm_ispif_clk_enable(ispif, params, 0);
-
 	return rc;
 }
 
@@ -709,7 +548,7 @@
 static int msm_ispif_start_frame_boundary(struct ispif_device *ispif,
 	struct msm_ispif_param_data *params)
 {
-	int rc;
+	int rc = 0;
 
 	if (ispif->ispif_state != ISPIF_POWER_UP) {
 		pr_err("%s: ispif invalid state %d\n", __func__,
@@ -718,23 +557,8 @@
 		return rc;
 	}
 
-	rc = msm_ispif_clk_enable(ispif, params, 1);
-	if (rc < 0) {
-		pr_err("%s: unable to enable clocks", __func__);
-		return rc;
-	}
-
-	rc = msm_ispif_intf_reset(ispif, params);
-	if (rc) {
-		pr_err("%s: msm_ispif_intf_reset failed. rc=%d\n",
-			__func__, rc);
-		goto end;
-	}
-
 	msm_ispif_intf_cmd(ispif, ISPIF_INTF_CMD_ENABLE_FRAME_BOUNDARY, params);
 
-end:
-	msm_ispif_clk_enable(ispif, params, 0);
 	return rc;
 }
 
@@ -757,12 +581,6 @@
 		return rc;
 	}
 
-	rc = msm_ispif_clk_enable(ispif, params, 1);
-	if (rc < 0) {
-		pr_err("%s: unable to enable clocks", __func__);
-		return rc;
-	}
-
 	for (i = 0; i < params->num; i++) {
 		if (!msm_ispif_is_intf_valid(ispif->csid_version,
 				params->entries[i].vfe_intf)) {
@@ -814,8 +632,6 @@
 	}
 
 end:
-	msm_ispif_clk_enable(ispif, params, 0);
-
 	return rc;
 }
 
@@ -886,15 +702,6 @@
 	ISPIF_IRQ_GLOBAL_CLEAR_CMD_ADDR);
 
 	if (out[VFE0].ispifIrqStatus0 & ISPIF_IRQ_STATUS_MASK) {
-		if (out[VFE0].ispifIrqStatus0 & RESET_DONE_IRQ) {
-			unsigned long flags;
-			spin_lock_irqsave(&ispif->auto_complete_lock, flags);
-			if (ispif->wait_timeout[VFE0] == 0)
-				complete(&ispif->reset_complete[VFE0]);
-			spin_unlock_irqrestore(
-				&ispif->auto_complete_lock, flags);
-		}
-
 		if (out[VFE0].ispifIrqStatus0 & PIX_INTF_0_OVERFLOW_IRQ)
 			pr_err("%s: VFE0 pix0 overflow.\n", __func__);
 
@@ -910,15 +717,6 @@
 		ispif_process_irq(ispif, out, VFE0);
 	}
 	if (ispif->vfe_info.num_vfe > 1) {
-		if (out[VFE1].ispifIrqStatus0 & RESET_DONE_IRQ) {
-			unsigned long flags;
-			spin_lock_irqsave(&ispif->auto_complete_lock, flags);
-			if (ispif->wait_timeout[VFE1] == 0)
-				complete(&ispif->reset_complete[VFE1]);
-			spin_unlock_irqrestore(
-				&ispif->auto_complete_lock, flags);
-		}
-
 		if (out[VFE1].ispifIrqStatus0 & PIX_INTF_0_OVERFLOW_IRQ)
 			pr_err("%s: VFE1 pix0 overflow.\n", __func__);
 
@@ -973,19 +771,20 @@
 	memset(ispif->sof_count, 0, sizeof(ispif->sof_count));
 
 	ispif->csid_version = csid_version;
-	rc = msm_ispif_clk_enable_one(ispif, VFE0, 1);
-	if (rc < 0) {
-		pr_err("%s: unable to enable clocks for VFE0", __func__);
-		goto error_clk0;
-	}
 
-	if (ispif->csid_version >= CSID_VERSION_V3 &&
-		ispif->vfe_info.num_vfe > 1) {
-		rc = msm_ispif_clk_enable_one(ispif, VFE1, 1);
-		if (rc < 0) {
-			pr_err("%s: unable to enable clocks for VFE1",
-				__func__);
-			goto error_clk1;
+	if (ispif->csid_version >= CSID_VERSION_V3) {
+		if (!ispif->clk_mux_mem || !ispif->clk_mux_io) {
+			pr_err("%s csi clk mux mem %p io %p\n", __func__,
+				ispif->clk_mux_mem, ispif->clk_mux_io);
+			rc = -ENOMEM;
+			return rc;
+		}
+		ispif->clk_mux_base = ioremap(ispif->clk_mux_mem->start,
+			resource_size(ispif->clk_mux_mem));
+		if (!ispif->clk_mux_base) {
+			pr_err("%s: clk_mux_mem ioremap failed\n", __func__);
+			rc = -ENOMEM;
+			return rc;
 		}
 	}
 
@@ -1022,20 +821,11 @@
 	iounmap(ispif->base);
 
 end:
-	if (ispif->csid_version >= CSID_VERSION_V3 &&
-		ispif->vfe_info.num_vfe > 1)
-		msm_ispif_clk_enable_one(ispif, VFE1, 0);
-
-error_clk1:
-	msm_ispif_clk_enable_one(ispif, VFE0, 0);
-
-error_clk0:
 	return rc;
 }
 
 static void msm_ispif_release(struct ispif_device *ispif)
 {
-	int i;
 	BUG_ON(!ispif);
 
 	if (ispif->ispif_state != ISPIF_POWER_UP) {
@@ -1044,9 +834,6 @@
 		return;
 	}
 
-	for (i = 0; i < ispif->vfe_info.num_vfe; i++)
-		msm_ispif_clk_enable_one(ispif, i, 1);
-
 	/* make sure no streaming going on */
 	msm_ispif_reset(ispif);
 
@@ -1056,8 +843,7 @@
 
 	iounmap(ispif->base);
 
-	for (i = 0; i < ispif->vfe_info.num_vfe; i++)
-		msm_ispif_clk_enable_one(ispif, i, 0);
+	iounmap(ispif->clk_mux_base);
 
 	ispif->ispif_state = ISPIF_POWER_DOWN;
 }
@@ -1177,7 +963,6 @@
 {
 	int rc;
 	struct ispif_device *ispif;
-	int i;
 
 	ispif = kzalloc(sizeof(struct ispif_device), GFP_KERNEL);
 	if (!ispif) {
@@ -1231,13 +1016,20 @@
 		rc = -EBUSY;
 		goto error;
 	}
+	ispif->clk_mux_mem = platform_get_resource_byname(pdev,
+		IORESOURCE_MEM, "csi_clk_mux");
+	if (ispif->clk_mux_mem) {
+		ispif->clk_mux_io = request_mem_region(
+			ispif->clk_mux_mem->start,
+			resource_size(ispif->clk_mux_mem),
+			ispif->clk_mux_mem->name);
+		if (!ispif->clk_mux_io)
+			pr_err("%s: no valid csi_mux region\n", __func__);
+	}
 
 	ispif->pdev = pdev;
 	ispif->ispif_state = ISPIF_POWER_DOWN;
 	ispif->open_cnt = 0;
-	spin_lock_init(&ispif->auto_complete_lock);
-	for (i = 0; i < VFE_MAX; i++)
-		ispif->wait_timeout[i] = 0;
 
 	return 0;
 
diff --git a/drivers/media/platform/msm/camera_v2/ispif/msm_ispif.h b/drivers/media/platform/msm/camera_v2/ispif/msm_ispif.h
index 945b5b8..faa32aa 100644
--- a/drivers/media/platform/msm/camera_v2/ispif/msm_ispif.h
+++ b/drivers/media/platform/msm/camera_v2/ispif/msm_ispif.h
@@ -42,21 +42,20 @@
 	struct platform_device *pdev;
 	struct msm_sd_subdev msm_sd;
 	struct resource *mem;
+	struct resource *clk_mux_mem;
 	struct resource *irq;
 	struct resource *io;
+	struct resource *clk_mux_io;
 	void __iomem *base;
+	void __iomem *clk_mux_base;
 	struct mutex mutex;
 	uint8_t start_ack_pending;
-	struct completion reset_complete[VFE_MAX];
-	spinlock_t auto_complete_lock;
-	uint8_t wait_timeout[VFE_MAX];
 	uint32_t csid_version;
 	int enb_dump_reg;
 	uint32_t open_cnt;
 	struct ispif_sof_count sof_count[VFE_MAX];
 	struct ispif_intf_cmd applied_intf_cmd[VFE_MAX];
 	enum msm_ispif_state_t ispif_state;
-	struct clk *ispif_clk[VFE_MAX][INTF_MAX];
 	struct msm_ispif_vfe_info vfe_info;
 	struct clk *ahb_clk;
 };
diff --git a/drivers/media/platform/msm/camera_v2/ispif/msm_ispif_hwreg_v1.h b/drivers/media/platform/msm/camera_v2/ispif/msm_ispif_hwreg_v1.h
index 9f8b2fa..6396486 100644
--- a/drivers/media/platform/msm/camera_v2/ispif/msm_ispif_hwreg_v1.h
+++ b/drivers/media/platform/msm/camera_v2/ispif/msm_ispif_hwreg_v1.h
@@ -50,6 +50,8 @@
 
 
 
+/* CSID CLK MUX SEL REGISTERS */
+#define ISPIF_RDI_CLK_MUX_SEL_ADDR              0x8
 
 /*ISPIF RESET BITS*/
 #define VFE_CLK_DOMAIN_RST                 BIT(31)
diff --git a/drivers/media/platform/msm/camera_v2/ispif/msm_ispif_hwreg_v2.h b/drivers/media/platform/msm/camera_v2/ispif/msm_ispif_hwreg_v2.h
index 5e61a4d..c805c3d 100644
--- a/drivers/media/platform/msm/camera_v2/ispif/msm_ispif_hwreg_v2.h
+++ b/drivers/media/platform/msm/camera_v2/ispif/msm_ispif_hwreg_v2.h
@@ -46,6 +46,9 @@
 #define ISPIF_VFE_m_RDI_INTF_n_STATUS(m, n)      (0x2D0 + ISPIF_VFE(m) + 4*(n))
 #define ISPIF_VFE_m_3D_DESKEW_SIZE(m)            (0x2E4 + ISPIF_VFE(m))
 
+/* CSID CLK MUX SEL REGISTERS */
+#define ISPIF_RDI_CLK_MUX_SEL_ADDR               0x8
+
 /*ISPIF RESET BITS*/
 #define VFE_CLK_DOMAIN_RST                       BIT(31)
 #define PIX_1_CLK_DOMAIN_RST                     BIT(30)
diff --git a/drivers/media/platform/msm/camera_v2/msm.c b/drivers/media/platform/msm/camera_v2/msm.c
index 9f1c81a..be9f613 100644
--- a/drivers/media/platform/msm/camera_v2/msm.c
+++ b/drivers/media/platform/msm/camera_v2/msm.c
@@ -661,6 +661,7 @@
 			rc = -ETIMEDOUT;
 		}
 		if (rc < 0) {
+			pr_err("%s: rc = %d\n", __func__, rc);
 			mutex_unlock(&session->lock);
 			return rc;
 		}
diff --git a/drivers/media/platform/msm/camera_v2/pproc/cpp/msm_cpp.c b/drivers/media/platform/msm/camera_v2/pproc/cpp/msm_cpp.c
index 1203d17..8cdaa4b 100644
--- a/drivers/media/platform/msm/camera_v2/pproc/cpp/msm_cpp.c
+++ b/drivers/media/platform/msm/camera_v2/pproc/cpp/msm_cpp.c
@@ -588,7 +588,7 @@
 		pr_err("%s: Bandwidth registration Failed!\n", __func__);
 		goto bus_scale_register_failed;
 	}
-	msm_isp_update_bandwidth(ISP_CPP, 981345600, 1600020000);
+	msm_isp_update_bandwidth(ISP_CPP, 981345600, 1066680000);
 
 	if (cpp_dev->fs_cpp == NULL) {
 		cpp_dev->fs_cpp =
diff --git a/drivers/media/platform/msm/camera_v2/sensor/csid/msm_csid.c b/drivers/media/platform/msm/camera_v2/sensor/csid/msm_csid.c
index fbd4a2e..33eaa69 100644
--- a/drivers/media/platform/msm/camera_v2/sensor/csid/msm_csid.c
+++ b/drivers/media/platform/msm/camera_v2/sensor/csid/msm_csid.c
@@ -185,49 +185,15 @@
 	{"csi_pclk", -1},
 };
 
-static struct msm_cam_clk_info csid0_8974_clk_info[] = {
+static struct msm_cam_clk_info csid_8974_clk_info[] = {
 	{"camss_top_ahb_clk", -1},
 	{"ispif_ahb_clk", -1},
-	{"csi0_ahb_clk", -1},
-	{"csi0_src_clk", 200000000},
-	{"csi0_clk", -1},
-	{"csi0_phy_clk", -1},
-	{"csi0_pix_clk", -1},
-	{"csi0_rdi_clk", -1},
-};
-
-static struct msm_cam_clk_info csid1_8974_clk_info[] = {
-	{"csi1_ahb_clk", -1},
-	{"csi1_src_clk", 200000000},
-	{"csi1_clk", -1},
-	{"csi1_phy_clk", -1},
-	{"csi1_pix_clk", -1},
-	{"csi1_rdi_clk", -1},
-};
-
-static struct msm_cam_clk_info csid2_8974_clk_info[] = {
-	{"csi2_ahb_clk", -1},
-	{"csi2_src_clk", 200000000},
-	{"csi2_clk", -1},
-	{"csi2_phy_clk", -1},
-	{"csi2_pix_clk", -1},
-	{"csi2_rdi_clk", -1},
-};
-
-static struct msm_cam_clk_info csid3_8974_clk_info[] = {
-	{"csi3_ahb_clk", -1},
-	{"csi3_src_clk", 200000000},
-	{"csi3_clk", -1},
-	{"csi3_phy_clk", -1},
-	{"csi3_pix_clk", -1},
-	{"csi3_rdi_clk", -1},
-};
-
-static struct msm_cam_clk_setting csid_8974_clk_info[] = {
-	{&csid0_8974_clk_info[0], ARRAY_SIZE(csid0_8974_clk_info)},
-	{&csid1_8974_clk_info[0], ARRAY_SIZE(csid1_8974_clk_info)},
-	{&csid2_8974_clk_info[0], ARRAY_SIZE(csid2_8974_clk_info)},
-	{&csid3_8974_clk_info[0], ARRAY_SIZE(csid3_8974_clk_info)},
+	{"csi_ahb_clk", -1},
+	{"csi_src_clk", 200000000},
+	{"csi_clk", -1},
+	{"csi_phy_clk", -1},
+	{"csi_pix_clk", -1},
+	{"csi_rdi_clk", -1},
 };
 
 static struct camera_vreg_t csid_8960_vreg_info[] = {
@@ -241,7 +207,6 @@
 static int msm_csid_init(struct csid_device *csid_dev, uint32_t *csid_version)
 {
 	int rc = 0;
-	uint8_t core_id = 0;
 
 	if (!csid_version) {
 		pr_err("%s:%d csid_version NULL\n", __func__, __LINE__);
@@ -306,26 +271,14 @@
 		}
 
 		rc = msm_cam_clk_enable(&csid_dev->pdev->dev,
-			csid_8974_clk_info[0].clk_info, csid_dev->csid0_clk,
-			csid_8974_clk_info[0].num_clk_info, 1);
+			csid_8974_clk_info, csid_dev->csid_clk,
+			ARRAY_SIZE(csid_8974_clk_info), 1);
 		if (rc < 0) {
 			pr_err("%s: clock enable failed\n", __func__);
-			goto csid0_clk_enable_failed;
-		}
-		core_id = csid_dev->pdev->id;
-		if (core_id) {
-			rc = msm_cam_clk_enable(&csid_dev->pdev->dev,
-				csid_8974_clk_info[core_id].clk_info,
-				csid_dev->csid_clk,
-				csid_8974_clk_info[core_id].num_clk_info, 1);
-			if (rc < 0) {
-				pr_err("%s: clock enable failed\n",
-					__func__);
-				goto clk_enable_failed;
-			}
+			goto clk_enable_failed;
 		}
 	}
-
+		CDBG("%s:%d called\n", __func__, __LINE__);
 	csid_dev->hw_version =
 		msm_camera_io_r(csid_dev->base + CSID_HW_VERSION_ADDR);
 	CDBG("%s:%d called csid_dev->hw_version %x\n", __func__, __LINE__,
@@ -341,12 +294,6 @@
 	return rc;
 
 clk_enable_failed:
-	if (CSID_VERSION >= CSID_VERSION_V3) {
-		msm_cam_clk_enable(&csid_dev->pdev->dev,
-			csid_8974_clk_info[0].clk_info, csid_dev->csid0_clk,
-			csid_8974_clk_info[0].num_clk_info, 0);
-	}
-csid0_clk_enable_failed:
 	if (CSID_VERSION <= CSID_VERSION_V2) {
 		msm_camera_enable_vreg(&csid_dev->pdev->dev,
 			csid_8960_vreg_info, ARRAY_SIZE(csid_8960_vreg_info),
@@ -375,7 +322,6 @@
 static int msm_csid_release(struct csid_device *csid_dev)
 {
 	uint32_t irq;
-	uint8_t core_id = 0;
 
 	if (csid_dev->csid_state != CSID_POWER_UP) {
 		pr_err("%s: csid invalid state %d\n", __func__,
@@ -401,16 +347,8 @@
 			csid_8960_vreg_info, ARRAY_SIZE(csid_8960_vreg_info),
 			NULL, 0, &csid_dev->csi_vdd, 0);
 	} else if (csid_dev->hw_version >= CSID_VERSION_V3) {
-		core_id = csid_dev->pdev->id;
-		if (core_id)
-			msm_cam_clk_enable(&csid_dev->pdev->dev,
-				csid_8974_clk_info[core_id].clk_info,
-				csid_dev->csid_clk,
-				csid_8974_clk_info[core_id].num_clk_info, 0);
-
-		msm_cam_clk_enable(&csid_dev->pdev->dev,
-			csid_8974_clk_info[0].clk_info, csid_dev->csid0_clk,
-			csid_8974_clk_info[0].num_clk_info, 0);
+		msm_cam_clk_enable(&csid_dev->pdev->dev, csid_8974_clk_info,
+			csid_dev->csid_clk, ARRAY_SIZE(csid_8974_clk_info), 0);
 
 		msm_camera_enable_vreg(&csid_dev->pdev->dev,
 			csid_vreg_info, ARRAY_SIZE(csid_vreg_info),
diff --git a/drivers/media/platform/msm/camera_v2/sensor/csid/msm_csid.h b/drivers/media/platform/msm/camera_v2/sensor/csid/msm_csid.h
index 7ae1392..fd4db79 100644
--- a/drivers/media/platform/msm/camera_v2/sensor/csid/msm_csid.h
+++ b/drivers/media/platform/msm/camera_v2/sensor/csid/msm_csid.h
@@ -38,7 +38,6 @@
 	uint32_t hw_version;
 	enum msm_csid_state_t csid_state;
 
-	struct clk *csid0_clk[11];
 	struct clk *csid_clk[11];
 };
 
diff --git a/drivers/media/platform/msm/camera_v2/sensor/csiphy/include/csi2.0/msm_csiphy_hwreg.h b/drivers/media/platform/msm/camera_v2/sensor/csiphy/include/csi2.0/msm_csiphy_hwreg.h
index e5093f8..ba964a2 100644
--- a/drivers/media/platform/msm/camera_v2/sensor/csiphy/include/csi2.0/msm_csiphy_hwreg.h
+++ b/drivers/media/platform/msm/camera_v2/sensor/csiphy/include/csi2.0/msm_csiphy_hwreg.h
@@ -14,7 +14,7 @@
 #define MSM_CSIPHY_HWREG_H
 
 /*MIPI CSI PHY registers*/
-#define MIPI_CSIPHY_HW_VERSION_ADDR              0x180
+#define MIPI_CSIPHY_HW_VERSION_ADDR              0x17C
 #define MIPI_CSIPHY_LNn_CFG1_ADDR                0x0
 #define MIPI_CSIPHY_LNn_CFG2_ADDR                0x4
 #define MIPI_CSIPHY_LNn_CFG3_ADDR                0x8
diff --git a/drivers/media/platform/msm/camera_v2/sensor/csiphy/msm_csiphy.c b/drivers/media/platform/msm/camera_v2/sensor/csiphy/msm_csiphy.c
index df3ee60..7d3a1fc 100644
--- a/drivers/media/platform/msm/camera_v2/sensor/csiphy/msm_csiphy.c
+++ b/drivers/media/platform/msm/camera_v2/sensor/csiphy/msm_csiphy.c
@@ -43,14 +43,15 @@
 	uint8_t lane_cnt = 0;
 	uint16_t lane_mask = 0;
 	void __iomem *csiphybase;
+	uint8_t csiphy_id = csiphy_dev->pdev->id;
 	csiphybase = csiphy_dev->base;
 	if (!csiphybase) {
 		pr_err("%s: csiphybase NULL\n", __func__);
 		return -EINVAL;
 	}
 
-	csiphy_dev->lane_mask[csiphy_dev->pdev->id] |= csiphy_params->lane_mask;
-	lane_mask = csiphy_dev->lane_mask[csiphy_dev->pdev->id];
+	csiphy_dev->lane_mask[csiphy_id] |= csiphy_params->lane_mask;
+	lane_mask = csiphy_dev->lane_mask[csiphy_id];
 	lane_cnt = csiphy_params->lane_cnt;
 	if (csiphy_params->lane_cnt < 1 || csiphy_params->lane_cnt > 4) {
 		pr_err("%s: unsupported lane cnt %d\n",
@@ -58,11 +59,28 @@
 		return rc;
 	}
 
-	CDBG("%s csiphy_params, mask = %x, cnt = %d, settle cnt = %x\n",
+	CDBG("%s csiphy_params, mask = %x cnt = %d settle cnt = %x csid %d\n",
 		__func__,
 		csiphy_params->lane_mask,
 		csiphy_params->lane_cnt,
-		csiphy_params->settle_cnt);
+		csiphy_params->settle_cnt,
+		csiphy_params->csid_core);
+
+	if (csiphy_dev->hw_version >= CSIPHY_VERSION_V3) {
+		val = msm_camera_io_r(csiphy_dev->clk_mux_base);
+		if (csiphy_params->combo_mode &&
+			(csiphy_params->lane_mask & 0x18)) {
+			val &= ~0xf0;
+			val |= csiphy_params->csid_core << 4;
+		} else {
+			val &= ~0xf;
+			val |= csiphy_params->csid_core;
+		}
+		msm_camera_io_w(val, csiphy_dev->clk_mux_base);
+		CDBG("%s clk mux addr %p val 0x%x\n", __func__,
+			csiphy_dev->clk_mux_base, val);
+		mb();
+	}
 	msm_camera_io_w(0x1, csiphybase + MIPI_CSIPHY_GLBL_T_INIT_CFG0_ADDR);
 	msm_camera_io_w(0x1, csiphybase + MIPI_CSIPHY_T_WAKEUP_CFG0_ADDR);
 
@@ -204,6 +222,22 @@
 			csiphy_8960_clk_info, csiphy_dev->csiphy_clk,
 			ARRAY_SIZE(csiphy_8960_clk_info), 1);
 	} else {
+		if (!csiphy_dev->clk_mux_mem || !csiphy_dev->clk_mux_io) {
+			pr_err("%s clk mux mem %p io %p\n", __func__,
+				csiphy_dev->clk_mux_mem,
+				csiphy_dev->clk_mux_io);
+			rc = -ENOMEM;
+			return rc;
+		}
+		csiphy_dev->clk_mux_base = ioremap(
+			csiphy_dev->clk_mux_mem->start,
+			resource_size(csiphy_dev->clk_mux_mem));
+		if (!csiphy_dev->clk_mux_base) {
+			pr_err("%s: ERROR %d\n", __func__, __LINE__);
+			rc = -ENOMEM;
+			return rc;
+		}
+
 		CDBG("%s:%d called\n", __func__, __LINE__);
 		rc = msm_cam_clk_enable(&csiphy_dev->pdev->dev,
 			csiphy_8974_clk_info, csiphy_dev->csiphy_clk,
@@ -269,12 +303,31 @@
 	}
 	CDBG("%s:%d called\n", __func__, __LINE__);
 
+
 	if (CSIPHY_VERSION < CSIPHY_VERSION_V3) {
 		CDBG("%s:%d called\n", __func__, __LINE__);
 		rc = msm_cam_clk_enable(&csiphy_dev->pdev->dev,
 			csiphy_8960_clk_info, csiphy_dev->csiphy_clk,
 			ARRAY_SIZE(csiphy_8960_clk_info), 1);
 	} else {
+
+		if (!csiphy_dev->clk_mux_mem || !csiphy_dev->clk_mux_io) {
+			pr_err("%s clk mux mem %p io %p\n", __func__,
+				csiphy_dev->clk_mux_mem,
+				csiphy_dev->clk_mux_io);
+			rc = -ENOMEM;
+			return rc;
+		}
+
+		csiphy_dev->clk_mux_base = ioremap(
+			csiphy_dev->clk_mux_mem->start,
+			resource_size(csiphy_dev->clk_mux_mem));
+		if (!csiphy_dev->clk_mux_base) {
+			pr_err("%s: ERROR %d\n", __func__, __LINE__);
+			rc = -ENOMEM;
+			return rc;
+		}
+
 		CDBG("%s:%d called\n", __func__, __LINE__);
 		rc = msm_cam_clk_enable(&csiphy_dev->pdev->dev,
 			csiphy_8974_clk_info, csiphy_dev->csiphy_clk,
@@ -359,14 +412,16 @@
 
 	disable_irq(csiphy_dev->irq->start);
 
-	if (CSIPHY_VERSION < CSIPHY_VERSION_V3)
+	if (CSIPHY_VERSION < CSIPHY_VERSION_V3) {
 		msm_cam_clk_enable(&csiphy_dev->pdev->dev,
 			csiphy_8960_clk_info, csiphy_dev->csiphy_clk,
 			ARRAY_SIZE(csiphy_8960_clk_info), 0);
-	else
+	} else {
 		msm_cam_clk_enable(&csiphy_dev->pdev->dev,
 			csiphy_8974_clk_info, csiphy_dev->csiphy_clk,
 			ARRAY_SIZE(csiphy_8974_clk_info), 0);
+			iounmap(csiphy_dev->clk_mux_base);
+	}
 
 	iounmap(csiphy_dev->base);
 	csiphy_dev->base = NULL;
@@ -426,20 +481,23 @@
 	msm_camera_io_w(0x0, csiphy_dev->base + MIPI_CSIPHY_LNCK_CFG2_ADDR);
 	msm_camera_io_w(0x0, csiphy_dev->base + MIPI_CSIPHY_GLBL_PWR_CFG_ADDR);
 
-	if (CSIPHY_VERSION < CSIPHY_VERSION_V3)
+	if (CSIPHY_VERSION < CSIPHY_VERSION_V3) {
 		msm_cam_clk_enable(&csiphy_dev->pdev->dev,
 			csiphy_8960_clk_info, csiphy_dev->csiphy_clk,
 			ARRAY_SIZE(csiphy_8960_clk_info), 0);
-	else
+	} else {
 		msm_cam_clk_enable(&csiphy_dev->pdev->dev,
 			csiphy_8974_clk_info, csiphy_dev->csiphy_clk,
 			ARRAY_SIZE(csiphy_8974_clk_info), 0);
+			iounmap(csiphy_dev->clk_mux_base);
+	}
 
 	iounmap(csiphy_dev->base);
 	csiphy_dev->base = NULL;
 	csiphy_dev->csiphy_state = CSIPHY_POWER_DOWN;
 	return 0;
 }
+
 #endif
 
 static long msm_csiphy_cmd(struct csiphy_device *csiphy_dev, void *arg)
@@ -588,6 +646,17 @@
 	}
 	disable_irq(new_csiphy_dev->irq->start);
 
+	new_csiphy_dev->clk_mux_mem = platform_get_resource_byname(pdev,
+		IORESOURCE_MEM, "csiphy_clk_mux");
+	if (new_csiphy_dev->clk_mux_mem) {
+		new_csiphy_dev->clk_mux_io = request_mem_region(
+			new_csiphy_dev->clk_mux_mem->start,
+			resource_size(new_csiphy_dev->clk_mux_mem),
+			new_csiphy_dev->clk_mux_mem->name);
+		if (!new_csiphy_dev->clk_mux_io)
+			pr_err("%s: ERROR %d\n", __func__, __LINE__);
+	}
+
 	new_csiphy_dev->pdev = pdev;
 	new_csiphy_dev->msm_sd.sd.internal_ops = &msm_csiphy_internal_ops;
 	new_csiphy_dev->msm_sd.sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
diff --git a/drivers/media/platform/msm/camera_v2/sensor/csiphy/msm_csiphy.h b/drivers/media/platform/msm/camera_v2/sensor/csiphy/msm_csiphy.h
index e19be34..a11b958 100644
--- a/drivers/media/platform/msm/camera_v2/sensor/csiphy/msm_csiphy.h
+++ b/drivers/media/platform/msm/camera_v2/sensor/csiphy/msm_csiphy.h
@@ -32,9 +32,12 @@
 	struct msm_sd_subdev msm_sd;
 	struct v4l2_subdev subdev;
 	struct resource *mem;
+	struct resource *clk_mux_mem;
 	struct resource *irq;
 	struct resource *io;
+	struct resource *clk_mux_io;
 	void __iomem *base;
+	void __iomem *clk_mux_base;
 	struct mutex mutex;
 	uint32_t hw_version;
 	enum msm_csiphy_state_t csiphy_state;
diff --git a/drivers/media/platform/msm/dvb/demux/mpq_dmx_plugin_common.c b/drivers/media/platform/msm/dvb/demux/mpq_dmx_plugin_common.c
index 431d35d..b56378a 100644
--- a/drivers/media/platform/msm/dvb/demux/mpq_dmx_plugin_common.c
+++ b/drivers/media/platform/msm/dvb/demux/mpq_dmx_plugin_common.c
@@ -25,6 +25,9 @@
 /* Length of mandatory fields that must exist in header of video PES */
 #define PES_MANDATORY_FIELDS_LEN			9
 
+/* Index of first byte in TS packet holding STC */
+#define STC_LOCATION_IDX			188
+
 #define MAX_PES_LENGTH	(SZ_64K)
 
 #define MAX_TS_PACKETS_FOR_SDMX_PROCESS	(500)
@@ -1085,7 +1088,7 @@
 	feed_data->buffer_desc.desc[0].read_ptr = 0;
 	feed_data->buffer_desc.desc[0].write_ptr = 0;
 	feed_data->buffer_desc.desc[0].handle =
-		ion_share_dma_buf(client, temp_handle);
+		ion_share_dma_buf_fd(client, temp_handle);
 	if (IS_ERR_VALUE(feed_data->buffer_desc.desc[0].handle)) {
 		MPQ_DVB_ERR_PRINT(
 			"%s: FAILED to share payload buffer %d\n",
@@ -2202,6 +2205,14 @@
 	size_t len = 0;
 	struct dmx_pts_dts_info *pts_dts;
 
+	if (meta_data->packet_type == DMX_PES_PACKET) {
+		pts_dts = &meta_data->info.pes.pts_dts_info;
+		data->buf.stc = meta_data->info.pes.stc;
+	} else {
+		pts_dts = &meta_data->info.framing.pts_dts_info;
+		data->buf.stc = meta_data->info.framing.stc;
+	}
+
 	pts_dts = meta_data->packet_type == DMX_PES_PACKET ?
 		&meta_data->info.pes.pts_dts_info :
 		&meta_data->info.framing.pts_dts_info;
@@ -2313,6 +2324,7 @@
 		packet.raw_data_offset = feed_data->frame_offset;
 		meta_data.info.framing.pattern_type =
 			feed_data->last_framing_match_type;
+		meta_data.info.framing.stc = feed_data->last_framing_match_stc;
 
 		mpq_streambuffer_get_buffer_handle(stream_buffer,
 			0, /* current write buffer handle */
@@ -2385,6 +2397,7 @@
 		mpq_dmx_save_pts_dts(feed_data);
 
 		meta_data.packet_type = DMX_PES_PACKET;
+		meta_data.info.pes.stc = feed_data->prev_stc;
 
 		mpq_dmx_update_decoder_stat(mpq_demux);
 
@@ -2411,7 +2424,8 @@
 
 static int mpq_dmx_process_video_packet_framing(
 			struct dvb_demux_feed *feed,
-			const u8 *buf)
+			const u8 *buf,
+			u64 curr_stc)
 {
 	int bytes_avail;
 	u32 ts_payload_offset;
@@ -2596,7 +2610,8 @@
 	 * pass data to decoder only after sequence header
 	 * or equivalent is found. Otherwise the data is dropped.
 	 */
-	if (!(feed_data->found_sequence_header_pattern)) {
+	if (!feed_data->found_sequence_header_pattern) {
+		feed_data->prev_stc = curr_stc;
 		spin_unlock(&feed_data->video_buffer_lock);
 		return 0;
 	}
@@ -2699,6 +2714,12 @@
 					framing_res.info[i].type;
 				feed_data->last_pattern_offset =
 					framing_res.info[i].offset;
+				if (framing_res.info[i].used_prefix_size)
+					feed_data->last_framing_match_stc =
+						feed_data->prev_stc;
+				else
+					feed_data->last_framing_match_stc =
+						curr_stc;
 				continue;
 			}
 			/*
@@ -2744,6 +2765,8 @@
 			packet.raw_data_offset = feed_data->frame_offset;
 			meta_data.info.framing.pattern_type =
 				feed_data->last_framing_match_type;
+			meta_data.info.framing.stc =
+				feed_data->last_framing_match_stc;
 
 			mpq_streambuffer_get_buffer_handle(
 				stream_buffer,
@@ -2784,8 +2807,13 @@
 			framing_res.info[i].type;
 		feed_data->last_pattern_offset =
 			framing_res.info[i].offset;
+		if (framing_res.info[i].used_prefix_size)
+			feed_data->last_framing_match_stc = feed_data->prev_stc;
+		else
+			feed_data->last_framing_match_stc = curr_stc;
 	}
 
+	feed_data->prev_stc = curr_stc;
 	feed_data->first_prefix_size = 0;
 
 	if (pending_data_len) {
@@ -2810,7 +2838,8 @@
 
 static int mpq_dmx_process_video_packet_no_framing(
 			struct dvb_demux_feed *feed,
-			const u8 *buf)
+			const u8 *buf,
+			u64 curr_stc)
 {
 	int bytes_avail;
 	u32 ts_payload_offset;
@@ -2886,6 +2915,7 @@
 				mpq_dmx_save_pts_dts(feed_data);
 
 				meta_data.packet_type = DMX_PES_PACKET;
+				meta_data.info.pes.stc = feed_data->prev_stc;
 
 				mpq_dmx_update_decoder_stat(mpq_demux);
 
@@ -2928,6 +2958,8 @@
 		} else {
 			feed->pusi_seen = 1;
 		}
+
+		feed_data->prev_stc = curr_stc;
 	}
 
 	/*
@@ -3077,10 +3109,25 @@
 			struct dvb_demux_feed *feed,
 			const u8 *buf)
 {
+	u64 curr_stc;
+	struct mpq_demux *mpq_demux = feed->demux->priv;
+
+	if ((mpq_demux->source >= DMX_SOURCE_DVR0) &&
+		(mpq_demux->demux.tsp_format != DMX_TSP_FORMAT_192_TAIL)) {
+		curr_stc = 0;
+	} else {
+		curr_stc = buf[STC_LOCATION_IDX + 2] << 16;
+		curr_stc += buf[STC_LOCATION_IDX + 1] << 8;
+		curr_stc += buf[STC_LOCATION_IDX];
+		curr_stc *= 256; /* convert from 105.47 KHZ to 27MHz */
+	}
+
 	if (mpq_dmx_info.decoder_framing)
-		return mpq_dmx_process_video_packet_no_framing(feed, buf);
+		return mpq_dmx_process_video_packet_no_framing(feed, buf,
+				curr_stc);
 	else
-		return mpq_dmx_process_video_packet_framing(feed, buf);
+		return mpq_dmx_process_video_packet_framing(feed, buf,
+				curr_stc);
 }
 EXPORT_SYMBOL(mpq_dmx_process_video_packet);
 
@@ -3151,9 +3198,9 @@
 		(mpq_demux->demux.tsp_format != DMX_TSP_FORMAT_192_TAIL)) {
 		stc = 0;
 	} else {
-		stc = buf[190] << 16;
-		stc += buf[189] << 8;
-		stc += buf[188];
+		stc = buf[STC_LOCATION_IDX + 2] << 16;
+		stc += buf[STC_LOCATION_IDX + 1] << 8;
+		stc += buf[STC_LOCATION_IDX];
 		stc *= 256; /* convert from 105.47 KHZ to 27MHz */
 	}
 
@@ -4190,6 +4237,9 @@
 		pes_header = (struct pes_packet_header *)
 			&metadata_buf[pes_header_offset];
 		meta_data.packet_type = DMX_PES_PACKET;
+		/* TODO - set to real STC when SDMX supports it */
+		meta_data.info.pes.stc = 0;
+
 		if (pes_header->pts_dts_flag & 0x2) {
 			meta_data.info.pes.pts_dts_info.pts_exist = 1;
 			meta_data.info.pes.pts_dts_info.pts =
@@ -4544,7 +4594,7 @@
 	}
 
 	MPQ_DVB_DBG_PRINT(
-		"\n\n%s: Before SDMX_process: input read_offset=%u, fill count=%u\n",
+		"%s: Before SDMX_process: input read_offset=%u, fill count=%u\n",
 		__func__, read_offset, fill_count);
 
 	process_start_time = current_kernel_time();
@@ -4587,14 +4637,19 @@
 int mpq_sdmx_process(struct mpq_demux *mpq_demux,
 	struct sdmx_buff_descr *input,
 	u32 fill_count,
-	u32 read_offset)
+	u32 read_offset,
+	size_t tsp_size)
 {
 	int ret;
 	int todo;
 	int total_bytes_read = 0;
-	int limit = mpq_sdmx_proc_limit * mpq_demux->demux.ts_packet_size;
+	int limit = mpq_sdmx_proc_limit * tsp_size;
 
-	while (fill_count >= mpq_demux->demux.ts_packet_size) {
+	MPQ_DVB_DBG_PRINT(
+		"\n\n%s: read_offset=%u, fill_count=%u, tsp_size=%u\n",
+		__func__, read_offset, fill_count, tsp_size);
+
+	while (fill_count >= tsp_size) {
 		todo = fill_count > limit ? limit : fill_count;
 		ret = mpq_sdmx_process_buffer(mpq_demux, input, todo,
 			read_offset);
@@ -4643,7 +4698,8 @@
 	}
 	read_offset = mpq_demux->demux.dmx.dvr_input.ringbuff->pread;
 
-	return mpq_sdmx_process(mpq_demux, &buf_desc, count, read_offset);
+	return mpq_sdmx_process(mpq_demux, &buf_desc, count,
+				read_offset, mpq_demux->demux.ts_packet_size);
 }
 
 int mpq_dmx_write(struct dmx_demux *demux, const char *buf, size_t count)
diff --git a/drivers/media/platform/msm/dvb/demux/mpq_dmx_plugin_common.h b/drivers/media/platform/msm/dvb/demux/mpq_dmx_plugin_common.h
index 80b5428..ca7c15a 100644
--- a/drivers/media/platform/msm/dvb/demux/mpq_dmx_plugin_common.h
+++ b/drivers/media/platform/msm/dvb/demux/mpq_dmx_plugin_common.h
@@ -244,6 +244,8 @@
  * reported for this frame.
  * @last_framing_match_type: Used for saving the type of
  * the previous pattern match found in this video feed.
+ * @last_framing_match_stc: Used for saving the STC attached to TS packet
+ * of the previous pattern match found in this video feed.
  * @found_sequence_header_pattern: Flag used to note that an MPEG-2
  * Sequence Header, H.264 SPS or VC-1 Sequence Header pattern
  * (whichever is relevant according to the video standard) had already
@@ -272,6 +274,7 @@
  * buffer space.
  * @last_pkt_index: used to save the last streambuffer packet index reported in
  * a new elementary stream data event.
+ * @prev_stc: STC attached to the previous video TS packet
  */
 struct mpq_video_feed_info {
 	struct mpq_streambuffer *video_buffer;
@@ -289,6 +292,7 @@
 	u32 last_pattern_offset;
 	u32 pending_pattern_len;
 	u64 last_framing_match_type;
+	u64 last_framing_match_stc;
 	int found_sequence_header_pattern;
 	struct dvb_dmx_video_prefix_size_masks prefix_size;
 	u32 first_prefix_size;
@@ -303,6 +307,7 @@
 	u32 ts_packets_num;
 	u32 ts_dropped_bytes;
 	int last_pkt_index;
+	u64 prev_stc;
 };
 
 /**
@@ -716,13 +721,15 @@
  * @input: input buffer descriptor
  * @fill_count: number of data bytes in input buffer that can be read
  * @read_offset: offset in buffer for reading
+ * @tsp_size: size of single TS packet
  *
  * Return number of bytes read or error code
  */
 int mpq_sdmx_process(struct mpq_demux *mpq_demux,
 	struct sdmx_buff_descr *input,
 	u32 fill_count,
-	u32 read_offset);
+	u32 read_offset,
+	size_t tsp_size);
 
 /**
  * mpq_sdmx_loaded - Returns 1 if secure demux application is loaded,
diff --git a/drivers/media/platform/msm/dvb/demux/mpq_dmx_plugin_tspp_v1.c b/drivers/media/platform/msm/dvb/demux/mpq_dmx_plugin_tspp_v1.c
index 193141a..43a65e9 100644
--- a/drivers/media/platform/msm/dvb/demux/mpq_dmx_plugin_tspp_v1.c
+++ b/drivers/media/platform/msm/dvb/demux/mpq_dmx_plugin_tspp_v1.c
@@ -382,7 +382,8 @@
 			buff_current_addr_phys - buff_start_addr_phys);
 
 		mpq_sdmx_process(mpq_demux, &input, aggregate_len,
-			buff_current_addr_phys - buff_start_addr_phys);
+			buff_current_addr_phys - buff_start_addr_phys,
+			TSPP_RAW_TTS_SIZE);
 	}
 
 	for (i = 0; i < aggregate_count; i++)
diff --git a/drivers/media/platform/msm/dvb/include/mpq_adapter.h b/drivers/media/platform/msm/dvb/include/mpq_adapter.h
index 19abbbe..a2ade18 100644
--- a/drivers/media/platform/msm/dvb/include/mpq_adapter.h
+++ b/drivers/media/platform/msm/dvb/include/mpq_adapter.h
@@ -64,11 +64,17 @@
 
 	/** PTS/DTS information */
 	struct dmx_pts_dts_info pts_dts_info;
+
+	/** STC value attached to first TS packet holding the pattern */
+	u64 stc;
 };
 
 struct dmx_pes_packet_info {
 	/** PTS/DTS information */
 	struct dmx_pts_dts_info pts_dts_info;
+
+	/** STC value attached to first TS packet holding the PES */
+	u64 stc;
 };
 
 struct dmx_marker_info {
diff --git a/drivers/media/platform/msm/vidc/hfi_packetization.c b/drivers/media/platform/msm/vidc/hfi_packetization.c
index ef3e698..7fc8810 100644
--- a/drivers/media/platform/msm/vidc/hfi_packetization.c
+++ b/drivers/media/platform/msm/vidc/hfi_packetization.c
@@ -1057,6 +1057,51 @@
 		pkt->size += sizeof(u32) + sizeof(struct hfi_quantization);
 		break;
 	}
+	case HAL_PARAM_VENC_SESSION_QP_RANGE:
+	{
+		struct hfi_quantization_range *hfi;
+		struct hfi_quantization_range *hal_range =
+			(struct hfi_quantization_range *) pdata;
+		u32 min_qp, max_qp;
+
+		pkt->rg_property_data[0] =
+			HFI_PROPERTY_PARAM_VENC_SESSION_QP_RANGE;
+		hfi = (struct hfi_quantization_range *)
+				&pkt->rg_property_data[1];
+
+		min_qp = hal_range->min_qp;
+		max_qp = hal_range->max_qp;
+
+		/* We'll be packing in the qp, so make sure we
+		 * won't be losing data when masking */
+		if (min_qp > 0xff || max_qp > 0xff) {
+			dprintk(VIDC_ERR, "qp value out of range\n");
+			rc = -ERANGE;
+			break;
+		}
+
+		/* When creating the packet, pack the qp value as
+		 * 0xiippbb, where ii = qp range for I-frames,
+		 * pp = qp range for P-frames, etc. */
+		hfi->min_qp = min_qp | min_qp << 8 | min_qp << 16;
+		hfi->max_qp = max_qp | max_qp << 8 | max_qp << 16;
+		hfi->layer_id = hal_range->layer_id;
+
+		pkt->size += sizeof(u32) +
+			sizeof(struct hfi_quantization_range);
+		break;
+	}
+	case HAL_PARAM_VENC_MAX_NUM_B_FRAMES:
+	{
+		struct hfi_max_num_b_frames *hfi;
+		pkt->rg_property_data[0] =
+			HFI_PROPERTY_PARAM_VENC_MAX_NUM_B_FRAMES;
+		hfi = (struct hfi_max_num_b_frames *) &pkt->rg_property_data[1];
+		memcpy(hfi, (struct hfi_max_num_b_frames *) pdata,
+				sizeof(struct hfi_max_num_b_frames));
+		pkt->size += sizeof(u32) + sizeof(struct hfi_max_num_b_frames);
+		break;
+	}
 	case HAL_CONFIG_VENC_INTRA_PERIOD:
 	{
 		struct hfi_intra_period *hfi;
@@ -1203,6 +1248,16 @@
 	}
 	case HAL_CONFIG_VPE_DEINTERLACE:
 		break;
+	case HAL_PARAM_VENC_H264_GENERATE_AUDNAL:
+	{
+		struct hfi_enable *hfi;
+		pkt->rg_property_data[0] =
+			HFI_PROPERTY_PARAM_VENC_H264_GENERATE_AUDNAL;
+		hfi = (struct hfi_enable *) &pkt->rg_property_data[1];
+		hfi->enable = ((struct hal_enable *) pdata)->enable;
+		pkt->size += sizeof(u32) + sizeof(struct hfi_enable);
+		break;
+	}
 	/* FOLLOWING PROPERTIES ARE NOT IMPLEMENTED IN CORE YET */
 	case HAL_CONFIG_BUFFER_REQUIREMENTS:
 	case HAL_CONFIG_PRIORITY:
diff --git a/drivers/media/platform/msm/vidc/hfi_response_handler.c b/drivers/media/platform/msm/vidc/hfi_response_handler.c
index 91fb514..43a3dad 100644
--- a/drivers/media/platform/msm/vidc/hfi_response_handler.c
+++ b/drivers/media/platform/msm/vidc/hfi_response_handler.c
@@ -174,8 +174,8 @@
 
 	switch (pkt->event_id) {
 	case HFI_EVENT_SYS_ERROR:
-		dprintk(VIDC_ERR, "HFI_EVENT_SYS_ERROR: %d\n",
-			pkt->event_data1);
+		dprintk(VIDC_ERR, "HFI_EVENT_SYS_ERROR: %d, 0x%x\n",
+			pkt->event_data1, pkt->event_data2);
 		hfi_process_sys_error(callback, device_id);
 		break;
 	case HFI_EVENT_SESSION_ERROR:
diff --git a/drivers/media/platform/msm/vidc/msm_venc.c b/drivers/media/platform/msm/vidc/msm_venc.c
index da97c7a..cb50431 100644
--- a/drivers/media/platform/msm/vidc/msm_venc.c
+++ b/drivers/media/platform/msm/vidc/msm_venc.c
@@ -20,6 +20,7 @@
 
 #define MSM_VENC_DVC_NAME "msm_venc_8974"
 #define MIN_NUM_OUTPUT_BUFFERS 4
+#define MIN_NUM_CAPTURE_BUFFERS 4
 #define MIN_BIT_RATE 64000
 #define MAX_BIT_RATE 160000000
 #define DEFAULT_BIT_RATE 64000
@@ -35,6 +36,7 @@
 #define P_FRAME_QP 28
 #define B_FRAME_QP 30
 #define MAX_INTRA_REFRESH_MBS 300
+#define MAX_NUM_B_FRAMES 4
 #define L_MODE V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED_AT_SLICE_BOUNDARY
 #define CODING V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_CODING_EFFICIENCY
 
@@ -419,6 +421,30 @@
 		.cluster = MSM_VENC_CTRL_CLUSTER_QP,
 	},
 	{
+		.id = V4L2_CID_MPEG_VIDEO_H264_MIN_QP,
+		.name = "H264 Minimum QP",
+		.type = V4L2_CTRL_TYPE_INTEGER,
+		.minimum = 1,
+		.maximum = 51,
+		.default_value = 1,
+		.step = 1,
+		.menu_skip_mask = 0,
+		.qmenu = NULL,
+		.cluster = MSM_VENC_CTRL_CLUSTER_QP,
+	},
+	{
+		.id = V4L2_CID_MPEG_VIDEO_H264_MAX_QP,
+		.name = "H264 Maximum QP",
+		.type = V4L2_CTRL_TYPE_INTEGER,
+		.minimum = 1,
+		.maximum = 51,
+		.default_value = 51,
+		.step = 1,
+		.menu_skip_mask = 0,
+		.qmenu = NULL,
+		.cluster = MSM_VENC_CTRL_CLUSTER_QP,
+	},
+	{
 		.id = V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE,
 		.name = "Slice Mode",
 		.type = V4L2_CTRL_TYPE_MENU,
@@ -641,6 +667,15 @@
 			V4L2_MPEG_VIDC_VIDEO_H264_VUI_TIMING_INFO_DISABLED,
 		.cluster = MSM_VENC_CTRL_CLUSTER_TIMING,
 	},
+	{
+		.id = V4L2_CID_MPEG_VIDC_VIDEO_H264_AU_DELIMITER,
+		.name = "H264 AU Delimiter",
+		.type = V4L2_CTRL_TYPE_BOOLEAN,
+		.minimum = V4L2_MPEG_VIDC_VIDEO_H264_AU_DELIMITER_DISABLED,
+		.maximum = V4L2_MPEG_VIDC_VIDEO_H264_AU_DELIMITER_ENABLED,
+		.default_value =
+			V4L2_MPEG_VIDC_VIDEO_H264_AU_DELIMITER_DISABLED,
+	},
 };
 
 #define NUM_CTRLS ARRAY_SIZE(msm_venc_ctrls)
@@ -728,7 +763,7 @@
 	struct v4l2_ctrl *ctrl = NULL;
 	u32 extradata = 0;
 	if (!q || !q->drv_priv) {
-		dprintk(VIDC_ERR, "Invalid input, q = %p\n", q);
+		dprintk(VIDC_ERR, "Invalid input\n");
 		return -EINVAL;
 	}
 	inst = q->drv_priv;
@@ -743,16 +778,21 @@
 	case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
 		*num_planes = 1;
 		buff_req = get_buff_req_buffer(inst, HAL_BUFFER_OUTPUT);
-		*num_buffers = buff_req->buffer_count_actual =
+		if (buff_req) {
+			*num_buffers = buff_req->buffer_count_actual =
 			max(*num_buffers, buff_req->buffer_count_actual);
-			if (*num_buffers > VIDEO_MAX_FRAME) {
-				dprintk(VIDC_ERR,
+		}
+		if (*num_buffers < MIN_NUM_CAPTURE_BUFFERS)
+			*num_buffers = MIN_NUM_CAPTURE_BUFFERS;
+
+		if (*num_buffers > VIDEO_MAX_FRAME) {
+			dprintk(VIDC_ERR,
 					"Failed : No of slices requested = %d"\
 					" Max supported slices = %d",
 					*num_buffers, VIDEO_MAX_FRAME);
-				rc = -EINVAL;
-				break;
-			}
+			rc = -EINVAL;
+			break;
+		}
 		ctrl = v4l2_ctrl_find(&inst->ctrl_handler,
 				V4L2_CID_MPEG_VIDC_VIDEO_EXTRADATA);
 		if (ctrl)
@@ -1129,6 +1169,7 @@
 	struct hal_h264_db_control h264_db_control;
 	struct hal_enable enable;
 	struct hal_h264_vui_timing_info vui_timing_info;
+	struct hal_quantization_range qp_range;
 	u32 property_id = 0, property_val = 0;
 	void *pdata = NULL;
 	struct v4l2_ctrl *temp_ctrl = NULL;
@@ -1203,11 +1244,24 @@
 		break;
 	case V4L2_CID_MPEG_VIDC_VIDEO_NUM_B_FRAMES:
 		temp_ctrl = TRY_GET_CTRL(V4L2_CID_MPEG_VIDC_VIDEO_NUM_P_FRAMES);
-
-		property_id =
-			HAL_CONFIG_VENC_INTRA_PERIOD;
 		intra_period.bframes = ctrl->val;
 		intra_period.pframes = temp_ctrl->val;
+		if (intra_period.bframes) {
+			u32 max_num_b_frames = MAX_NUM_B_FRAMES;
+			property_id =
+				HAL_PARAM_VENC_MAX_NUM_B_FRAMES;
+			pdata = &max_num_b_frames;
+			rc = call_hfi_op(hdev, session_set_property,
+				(void *)inst->session, property_id, pdata);
+			if (rc) {
+				dprintk(VIDC_ERR,
+					"Failed : Setprop MAX_NUM_B_FRAMES"
+					"%d", rc);
+				break;
+			}
+		}
+		property_id =
+			HAL_CONFIG_VENC_INTRA_PERIOD;
 		pdata = &intra_period;
 		break;
 	case V4L2_CID_MPEG_VIDC_VIDEO_REQUEST_IFRAME:
@@ -1458,6 +1512,44 @@
 		pdata = &quantization;
 		break;
 	}
+	case V4L2_CID_MPEG_VIDEO_H264_MIN_QP: {
+		struct v4l2_ctrl *qp_max;
+
+		qp_max = TRY_GET_CTRL(V4L2_CID_MPEG_VIDEO_H264_MAX_QP);
+		if (ctrl->val >= qp_max->val) {
+			dprintk(VIDC_ERR, "Bad range: Min QP (%d) > Max QP(%d)",
+					ctrl->val, qp_max->val);
+			rc = -ERANGE;
+			break;
+		}
+
+		property_id = HAL_PARAM_VENC_SESSION_QP_RANGE;
+		qp_range.layer_id = 0;
+		qp_range.max_qp = qp_max->val;
+		qp_range.min_qp = ctrl->val;
+
+		pdata = &qp_range;
+		break;
+	}
+	case V4L2_CID_MPEG_VIDEO_H264_MAX_QP: {
+		struct v4l2_ctrl *qp_min;
+
+		qp_min = TRY_GET_CTRL(V4L2_CID_MPEG_VIDEO_H264_MIN_QP);
+		if (ctrl->val <= qp_min->val) {
+			dprintk(VIDC_ERR, "Bad range: Max QP (%d) < Min QP(%d)",
+					ctrl->val, qp_min->val);
+			rc = -ERANGE;
+			break;
+		}
+
+		property_id = HAL_PARAM_VENC_SESSION_QP_RANGE;
+		qp_range.layer_id = 0;
+		qp_range.max_qp = ctrl->val;
+		qp_range.min_qp = qp_min->val;
+
+		pdata = &qp_range;
+		break;
+	}
 	case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE: {
 		int temp = 0;
 
@@ -1680,6 +1772,23 @@
 		pdata = &vui_timing_info;
 		break;
 	}
+	case V4L2_CID_MPEG_VIDC_VIDEO_H264_AU_DELIMITER:
+		property_id = HAL_PARAM_VENC_H264_GENERATE_AUDNAL;
+
+		switch (ctrl->val) {
+		case V4L2_MPEG_VIDC_VIDEO_H264_AU_DELIMITER_DISABLED:
+			enable.enable = 0;
+			break;
+		case V4L2_MPEG_VIDC_VIDEO_H264_AU_DELIMITER_ENABLED:
+			enable.enable = 1;
+			break;
+		default:
+			rc = -ENOTSUPP;
+			break;
+		}
+
+		pdata = &enable;
+		break;
 	default:
 		rc = -ENOTSUPP;
 		break;
@@ -1713,10 +1822,13 @@
 
 	for (c = 0; c < ctrl->ncontrols; ++c) {
 		if (ctrl->cluster[c]->is_new) {
-			rc = try_set_ctrl(inst, ctrl->cluster[c]);
+			struct v4l2_ctrl *temp = ctrl->cluster[c];
+
+			rc = try_set_ctrl(inst, temp);
 			if (rc) {
-				dprintk(VIDC_ERR, "Failed setting %x",
-						ctrl->cluster[c]->id);
+				dprintk(VIDC_ERR, "Failed setting %s (%x)",
+						v4l2_ctrl_get_name(temp->id),
+						temp->id);
 				break;
 			}
 		}
diff --git a/drivers/media/platform/msm/vidc/msm_vidc_common.c b/drivers/media/platform/msm/vidc/msm_vidc_common.c
index dc08c64..1ee9c67 100644
--- a/drivers/media/platform/msm/vidc/msm_vidc_common.c
+++ b/drivers/media/platform/msm/vidc/msm_vidc_common.c
@@ -22,7 +22,7 @@
 #include "msm_smem.h"
 #include "msm_vidc_debug.h"
 
-#define HW_RESPONSE_TIMEOUT 200
+#define HW_RESPONSE_TIMEOUT 1000
 
 #define IS_ALREADY_IN_STATE(__p, __d) ({\
 	int __rc = (__p >= __d);\
@@ -1282,7 +1282,6 @@
 	}
 
 	hdev = inst->core->device;
-
 	if (IS_ALREADY_IN_STATE(flipped_state, MSM_VIDC_LOAD_RESOURCES)) {
 		dprintk(VIDC_INFO, "inst: %p is already in state: %d\n",
 						inst, inst->state);
@@ -1668,6 +1667,7 @@
 			core->state == VIDC_CORE_INVALID) {
 		dprintk(VIDC_ERR,
 				"Core is in bad state can't change the state");
+		rc = -EINVAL;
 		goto exit;
 	}
 	flipped_state = get_flipped_state(inst->state, state);
@@ -1901,8 +1901,14 @@
 		dprintk(VIDC_ERR, "%s invalid parameters", __func__);
 		return -EINVAL;
 	}
-	hdev = inst->core->device;
 
+	if (inst->state == MSM_VIDC_CORE_INVALID ||
+			inst->core->state == VIDC_CORE_INVALID) {
+		dprintk(VIDC_ERR,
+				"Core is in bad state can't query get_bufreqs()");
+		return -EINVAL;
+	}
+	hdev = inst->core->device;
 	mutex_lock(&inst->sync_lock);
 	if (inst->state < MSM_VIDC_OPEN_DONE || inst->state >= MSM_VIDC_CLOSE) {
 		dprintk(VIDC_ERR,
@@ -2388,6 +2394,7 @@
 
 	if (inst->capability.capability_set) {
 		if (msm_vp8_low_tier &&
+			inst->core->hfi_type == VIDC_HFI_VENUS &&
 			inst->fmts[OUTPUT_PORT]->fourcc == V4L2_PIX_FMT_VP8) {
 			capability->width.max = DEFAULT_WIDTH;
 			capability->height.max = DEFAULT_HEIGHT;
diff --git a/drivers/media/platform/msm/vidc/venus_hfi.c b/drivers/media/platform/msm/vidc/venus_hfi.c
index 8031c74..2e92f1f 100644
--- a/drivers/media/platform/msm/vidc/venus_hfi.c
+++ b/drivers/media/platform/msm/vidc/venus_hfi.c
@@ -282,6 +282,7 @@
 	u32 packet_size_in_words, new_read_idx;
 	u32 *read_ptr;
 	struct vidc_iface_q_info *qinfo;
+	int rc = 0;
 
 	if (!info || !packet || !pb_tx_req_is_set) {
 		dprintk(VIDC_ERR, "Invalid Params");
@@ -317,17 +318,27 @@
 
 	new_read_idx = queue->qhdr_read_idx + packet_size_in_words;
 	dprintk(VIDC_DBG, "Read Ptr: %d", (u32) new_read_idx);
-	if (new_read_idx < queue->qhdr_q_size) {
-		memcpy(packet, read_ptr,
-			packet_size_in_words << 2);
-	} else {
-		new_read_idx -= queue->qhdr_q_size;
-		memcpy(packet, read_ptr,
+	if (((packet_size_in_words << 2) <= VIDC_IFACEQ_MED_PKT_SIZE)
+			&& queue->qhdr_read_idx <= queue->qhdr_q_size) {
+		if (new_read_idx < queue->qhdr_q_size) {
+			memcpy(packet, read_ptr,
+					packet_size_in_words << 2);
+		} else {
+			new_read_idx -= queue->qhdr_q_size;
+			memcpy(packet, read_ptr,
 			(packet_size_in_words - new_read_idx) << 2);
-		memcpy(packet + ((packet_size_in_words -
-			new_read_idx) << 2),
-			(u8 *)qinfo->q_array.align_virtual_addr,
-			new_read_idx << 2);
+			memcpy(packet + ((packet_size_in_words -
+					new_read_idx) << 2),
+					(u8 *)qinfo->q_array.align_virtual_addr,
+					new_read_idx << 2);
+		}
+	} else {
+		dprintk(VIDC_WARN,
+			"BAD packet received, read_idx: 0x%x, pkt_size: %d\n",
+			queue->qhdr_read_idx, packet_size_in_words << 2);
+		dprintk(VIDC_WARN, "Dropping this packet\n");
+		new_read_idx = queue->qhdr_write_idx;
+		rc = -ENODATA;
 	}
 
 	queue->qhdr_read_idx = new_read_idx;
@@ -340,7 +351,7 @@
 	*pb_tx_req_is_set = (1 == queue->qhdr_tx_req) ? 1 : 0;
 	venus_hfi_hal_sim_modify_msg_packet(packet);
 	dprintk(VIDC_DBG, "Out : ");
-	return 0;
+	return rc;
 }
 
 static int venus_hfi_alloc(void *mem, void *clnt, u32 size, u32 align,
@@ -547,7 +558,7 @@
 	q_info = &device->iface_queues[VIDC_IFACEQ_CMDQ_IDX];
 	if (!q_info) {
 		dprintk(VIDC_ERR, "cannot write to shared Q's");
-		goto err_q_write;
+		goto err_q_null;
 	}
 	mutex_lock(&device->clock_lock);
 	result = venus_hfi_clk_gating_off(device);
@@ -572,8 +583,9 @@
 		dprintk(VIDC_ERR, "venus_hfi_iface_cmdq_write:queue_full");
 	}
 err_q_write:
-	mutex_unlock(&device->write_lock);
 	mutex_unlock(&device->clock_lock);
+err_q_null:
+	mutex_unlock(&device->write_lock);
 	return result;
 }
 
@@ -592,7 +604,7 @@
 		q_array.align_virtual_addr == 0) {
 		dprintk(VIDC_ERR, "cannot read from shared MSG Q's");
 		rc = -ENODATA;
-		goto read_error;
+		goto read_error_null;
 	}
 	q_info = &device->iface_queues[VIDC_IFACEQ_MSGQ_IDX];
 	mutex_lock(&device->clock_lock);
@@ -614,8 +626,9 @@
 		rc = -ENODATA;
 	}
 read_error:
-	mutex_unlock(&device->read_lock);
 	mutex_unlock(&device->clock_lock);
+read_error_null:
+	mutex_unlock(&device->read_lock);
 	return rc;
 }
 
@@ -634,7 +647,7 @@
 		q_array.align_virtual_addr == 0) {
 		dprintk(VIDC_ERR, "cannot read from shared DBG Q's");
 		rc = -ENODATA;
-		goto dbg_error;
+		goto dbg_error_null;
 	}
 	mutex_lock(&device->clock_lock);
 	rc = venus_hfi_clk_gating_off(device);
@@ -656,8 +669,9 @@
 		rc = -ENODATA;
 	}
 dbg_error:
-	mutex_unlock(&device->read_lock);
 	mutex_unlock(&device->clock_lock);
+dbg_error_null:
+	mutex_unlock(&device->read_lock);
 	return rc;
 }
 
@@ -1070,8 +1084,8 @@
 			disable_irq_nosync(dev->hal_data->irq);
 		dev->intr_status = 0;
 		venus_hfi_interface_queues_release(dev);
+		mutex_unlock(&dev->clock_lock);
 	}
-	mutex_unlock(&dev->clock_lock);
 	dprintk(VIDC_INFO, "HAL exited\n");
 	return 0;
 }
@@ -1867,21 +1881,46 @@
 	if (((ctrl_status & VIDC_CPU_CS_SCIACMDARG0_HFI_CTRL_INIT_IDLE_MSG_BMSK)
 		!= 0) && !rc)
 		venus_hfi_clk_gating_on(device);
-	mutex_unlock(&device->write_lock);
 	mutex_unlock(&device->clock_lock);
+	mutex_unlock(&device->write_lock);
 	return rc;
 }
+static void venus_hfi_process_msg_event_notify(
+	struct venus_hfi_device *device, void *packet)
+{
+	struct hfi_sfr_struct *vsfr = NULL;
+	struct hfi_msg_event_notify_packet *event_pkt;
+	struct vidc_hal_msg_pkt_hdr *msg_hdr;
 
+	msg_hdr = (struct vidc_hal_msg_pkt_hdr *)packet;
+	event_pkt =
+		(struct hfi_msg_event_notify_packet *)msg_hdr;
+	if (event_pkt && event_pkt->event_id ==
+		HFI_EVENT_SYS_ERROR) {
+		vsfr = (struct hfi_sfr_struct *)
+				device->sfr.align_virtual_addr;
+		if (vsfr)
+			dprintk(VIDC_ERR, "SFR Message from FW : %s",
+				vsfr->rg_data);
+	}
+}
 static void venus_hfi_response_handler(struct venus_hfi_device *device)
 {
 	u8 packet[VIDC_IFACEQ_MED_PKT_SIZE];
 	u32 rc = 0;
+	struct hfi_sfr_struct *vsfr = NULL;
 	dprintk(VIDC_INFO, "#####venus_hfi_response_handler#####\n");
 	if (device) {
 		if ((device->intr_status &
 			VIDC_WRAPPER_INTR_CLEAR_A2HWD_BMSK)) {
 			dprintk(VIDC_ERR, "Received: Watchdog timeout %s",
 				__func__);
+			vsfr = (struct hfi_sfr_struct *)
+					device->sfr.align_virtual_addr;
+			if (vsfr)
+				dprintk(VIDC_ERR,
+					"SFR Message from FW : %s",
+						vsfr->rg_data);
 			venus_hfi_process_sys_watchdog_timeout(device);
 		}
 
@@ -1889,6 +1928,9 @@
 			rc = hfi_process_msg_packet(device->callback,
 				device->device_id,
 				(struct vidc_hal_msg_pkt_hdr *) packet);
+			if (rc == HFI_MSG_EVENT_NOTIFY)
+				venus_hfi_process_msg_event_notify(
+					device, (void *)packet);
 		}
 		while (!venus_hfi_iface_dbgq_read(device, packet)) {
 			struct hfi_msg_sys_debug_packet *pkt =
@@ -2749,9 +2791,10 @@
 		return;
 	}
 	if (device->resources.fw.cookie) {
+		flush_workqueue(device->vidc_workq);
 		venus_hfi_disable_clks(device);
-		venus_hfi_iommu_detach(device);
 		subsystem_put(device->resources.fw.cookie);
+		venus_hfi_iommu_detach(device);
 		device->resources.fw.cookie = NULL;
 	}
 }
diff --git a/drivers/media/platform/msm/vidc/vidc_hfi.h b/drivers/media/platform/msm/vidc/vidc_hfi.h
index 075b391..1311752 100644
--- a/drivers/media/platform/msm/vidc/vidc_hfi.h
+++ b/drivers/media/platform/msm/vidc/vidc_hfi.h
@@ -113,8 +113,6 @@
 
 #define HFI_PROPERTY_SYS_OX_START			\
 	(HFI_DOMAIN_BASE_COMMON + HFI_ARCH_OX_OFFSET + 0x0000)
-#define HFI_PROPERTY_SYS_IDLE_INDICATOR		\
-	(HFI_PROPERTY_SYS_OX_START + 0x001)
 
 #define HFI_PROPERTY_PARAM_OX_START				\
 	(HFI_DOMAIN_BASE_COMMON + HFI_ARCH_OX_OFFSET + 0x1000)
@@ -333,7 +331,6 @@
 
 #define HFI_MSG_SYS_OX_START			\
 (HFI_DOMAIN_BASE_COMMON + HFI_ARCH_OX_OFFSET + HFI_MSG_START_OFFSET + 0x0000)
-#define HFI_MSG_SYS_IDLE		(HFI_MSG_SYS_OX_START + 0x1)
 #define HFI_MSG_SYS_PING_ACK	(HFI_MSG_SYS_OX_START + 0x2)
 #define HFI_MSG_SYS_PROPERTY_INFO	(HFI_MSG_SYS_OX_START + 0x3)
 #define HFI_MSG_SYS_SESSION_ABORT_DONE	(HFI_MSG_SYS_OX_START + 0x4)
diff --git a/drivers/media/platform/msm/vidc/vidc_hfi_api.h b/drivers/media/platform/msm/vidc/vidc_hfi_api.h
index 3729c3a..3fbfec4 100644
--- a/drivers/media/platform/msm/vidc/vidc_hfi_api.h
+++ b/drivers/media/platform/msm/vidc/vidc_hfi_api.h
@@ -130,6 +130,7 @@
 	HAL_PARAM_VENC_H264_DEBLOCK_CONTROL,
 	HAL_PARAM_VENC_TEMPORAL_SPATIAL_TRADEOFF,
 	HAL_PARAM_VENC_SESSION_QP,
+	HAL_PARAM_VENC_SESSION_QP_RANGE,
 	HAL_CONFIG_VENC_INTRA_PERIOD,
 	HAL_CONFIG_VENC_IDR_PERIOD,
 	HAL_CONFIG_VPE_OPERATIONS,
@@ -168,6 +169,8 @@
 	HAL_PARAM_VENC_H264_ENTROPY_CABAC_MODEL,
 	HAL_CONFIG_VENC_MAX_BITRATE,
 	HAL_PARAM_VENC_H264_VUI_TIMING_INFO,
+	HAL_PARAM_VENC_H264_GENERATE_AUDNAL,
+	HAL_PARAM_VENC_MAX_NUM_B_FRAMES,
 };
 
 enum hal_domain {
@@ -595,6 +598,12 @@
 	u32 layer_id;
 };
 
+struct hal_quantization_range {
+	u32 min_qp;
+	u32 max_qp;
+	u32 layer_id;
+};
+
 struct hal_intra_period {
 	u32 pframes;
 	u32 bframes;
diff --git a/drivers/media/platform/msm/vidc/vidc_hfi_helper.h b/drivers/media/platform/msm/vidc/vidc_hfi_helper.h
index 2d0c3bd..6234dba 100644
--- a/drivers/media/platform/msm/vidc/vidc_hfi_helper.h
+++ b/drivers/media/platform/msm/vidc/vidc_hfi_helper.h
@@ -195,6 +195,8 @@
 	(HFI_PROPERTY_SYS_COMMON_START + 0x002)
 #define HFI_PROPERTY_SYS_CONFIG_VCODEC_CLKFREQ				\
 	(HFI_PROPERTY_SYS_COMMON_START + 0x003)
+#define HFI_PROPERTY_SYS_IDLE_INDICATOR         \
+	(HFI_PROPERTY_SYS_COMMON_START + 0x004)
 
 #define HFI_PROPERTY_PARAM_COMMON_START	\
 	(HFI_DOMAIN_BASE_COMMON + HFI_ARCH_COMMON_OFFSET + 0x1000)
@@ -304,7 +306,8 @@
 	(HFI_PROPERTY_PARAM_VENC_COMMON_START + 0x01E)
 #define HFI_PROPERTY_PARAM_VENC_VC1_PERF_CFG		\
 	(HFI_PROPERTY_PARAM_VENC_COMMON_START + 0x01F)
-
+#define  HFI_PROPERTY_PARAM_VENC_MAX_NUM_B_FRAMES \
+	(HFI_PROPERTY_PARAM_VENC_COMMON_START + 0x020)
 #define HFI_PROPERTY_CONFIG_VENC_COMMON_START				\
 	(HFI_DOMAIN_BASE_VENC + HFI_ARCH_COMMON_OFFSET + 0x6000)
 #define HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE				\
@@ -424,6 +427,10 @@
 	u32 idr_period;
 };
 
+struct hfi_max_num_b_frames {
+	u32 max_num_b_frames;
+};
+
 struct hfi_intra_period {
 	u32 pframes;
 	u32 bframes;
@@ -692,6 +699,7 @@
 #define HFI_MSG_SYS_DEBUG			(HFI_MSG_SYS_COMMON_START + 0x4)
 #define HFI_MSG_SYS_SESSION_INIT_DONE	(HFI_MSG_SYS_COMMON_START + 0x6)
 #define HFI_MSG_SYS_SESSION_END_DONE	(HFI_MSG_SYS_COMMON_START + 0x7)
+#define HFI_MSG_SYS_IDLE		(HFI_MSG_SYS_COMMON_START + 0x8)
 
 #define HFI_MSG_SESSION_COMMON_START		\
 	(HFI_DOMAIN_BASE_COMMON + HFI_ARCH_COMMON_OFFSET +	\
diff --git a/drivers/media/platform/msm/wfd/wfd-ioctl.c b/drivers/media/platform/msm/wfd/wfd-ioctl.c
index af3cd69..b1b1980 100644
--- a/drivers/media/platform/msm/wfd/wfd-ioctl.c
+++ b/drivers/media/platform/msm/wfd/wfd-ioctl.c
@@ -1006,6 +1006,7 @@
 	spin_unlock_irqrestore(&inst->inst_lock, flags);
 	WFD_MSG_DBG("Calling videobuf_streamoff\n");
 	vb2_streamoff(&inst->vid_bufq, i);
+	wake_up(&inst->event_handler.wait);
 	return 0;
 }
 static int wfdioc_dqbuf(struct file *filp, void *fh,
@@ -1545,14 +1546,22 @@
 unsigned int wfd_poll(struct file *filp, struct poll_table_struct *pt)
 {
 	struct wfd_inst *inst = file_to_inst(filp);
-	unsigned int flags = 0;
+	unsigned int poll_flags = 0;
+	unsigned long flags;
+	bool streamoff = false;
 
 	poll_wait(filp, &inst->event_handler.wait, pt);
 
-	if (v4l2_event_pending(&inst->event_handler))
-		flags |= POLLPRI;
+	spin_lock_irqsave(&inst->inst_lock, flags);
+	streamoff = inst->streamoff;
+	spin_unlock_irqrestore(&inst->inst_lock, flags);
 
-	return flags;
+	if (v4l2_event_pending(&inst->event_handler))
+		poll_flags |= POLLPRI;
+	if (streamoff)
+		poll_flags |= POLLERR;
+
+	return poll_flags;
 }
 
 static const struct v4l2_file_operations g_wfd_fops = {
diff --git a/drivers/mfd/wcd9xxx-irq.c b/drivers/mfd/wcd9xxx-irq.c
index 356aecb..5efd905 100644
--- a/drivers/mfd/wcd9xxx-irq.c
+++ b/drivers/mfd/wcd9xxx-irq.c
@@ -25,6 +25,7 @@
 #include <linux/of.h>
 #include <linux/of_irq.h>
 #include <linux/slab.h>
+#include <linux/ratelimit.h>
 #include <mach/cpuidle.h>
 
 #define BYTE_BIT_MASK(nr)		(1UL << ((nr) % BITS_PER_BYTE))
@@ -226,9 +227,11 @@
 {
 	int ret;
 	int i;
+	char linebuf[128];
 	struct wcd9xxx *wcd9xxx = data;
 	int num_irq_regs = wcd9xxx_num_irq_regs(wcd9xxx);
-	u8 status[num_irq_regs];
+	u8 status[num_irq_regs], status1[num_irq_regs];
+	static DEFINE_RATELIMIT_STATE(ratelimit, 5 * HZ, 1);
 
 	if (unlikely(wcd9xxx_lock_sleep(wcd9xxx) == false)) {
 		dev_err(wcd9xxx->dev, "Failed to hold suspend\n");
@@ -250,12 +253,17 @@
 	for (i = 0; i < num_irq_regs; i++)
 		status[i] &= ~wcd9xxx->irq_masks_cur[i];
 
+	memcpy(status1, status, sizeof(status1));
+
 	/* Find out which interrupt was triggered and call that interrupt's
 	 * handler function
 	 */
 	if (status[BIT_BYTE(WCD9XXX_IRQ_SLIMBUS)] &
-	    BYTE_BIT_MASK(WCD9XXX_IRQ_SLIMBUS))
+	    BYTE_BIT_MASK(WCD9XXX_IRQ_SLIMBUS)) {
 		wcd9xxx_irq_dispatch(wcd9xxx, WCD9XXX_IRQ_SLIMBUS);
+		status1[BIT_BYTE(WCD9XXX_IRQ_SLIMBUS)] &=
+		    ~BYTE_BIT_MASK(WCD9XXX_IRQ_SLIMBUS);
+	}
 
 	/* Since codec has only one hardware irq line which is shared by
 	 * codec's different internal interrupts, so it's possible master irq
@@ -264,13 +272,43 @@
 	 * machine's order */
 	for (i = WCD9XXX_IRQ_MBHC_INSERTION;
 	     i >= WCD9XXX_IRQ_MBHC_REMOVAL; i--) {
-		if (status[BIT_BYTE(i)] & BYTE_BIT_MASK(i))
+		if (status[BIT_BYTE(i)] & BYTE_BIT_MASK(i)) {
 			wcd9xxx_irq_dispatch(wcd9xxx, i);
+			status1[BIT_BYTE(i)] &= ~BYTE_BIT_MASK(i);
+		}
 	}
 	for (i = WCD9XXX_IRQ_BG_PRECHARGE; i < wcd9xxx->codec_type->num_irqs;
 	     i++) {
-		if (status[BIT_BYTE(i)] & BYTE_BIT_MASK(i))
+		if (status[BIT_BYTE(i)] & BYTE_BIT_MASK(i)) {
 			wcd9xxx_irq_dispatch(wcd9xxx, i);
+			status1[BIT_BYTE(i)] &= ~BYTE_BIT_MASK(i);
+		}
+	}
+
+	/*
+	 * As a failsafe if unhandled irq is found, clear it to prevent
+	 * interrupt storm.
+	 * Note that we can say there was an unhandled irq only when no irq
+	 * handled by nested irq handler since Taiko supports qdsp as irqs'
+	 * destination for few irqs.  Therefore driver shouldn't clear pending
+	 * irqs when few handled while few others not.
+	 */
+	if (unlikely(!memcmp(status, status1, sizeof(status)))) {
+		if (__ratelimit(&ratelimit)) {
+			pr_warn("%s: Unhandled irq found\n", __func__);
+			hex_dump_to_buffer(status, sizeof(status), 16, 1,
+					   linebuf, sizeof(linebuf), false);
+			pr_warn("%s: status0 : %s\n", __func__, linebuf);
+			hex_dump_to_buffer(status1, sizeof(status1), 16, 1,
+					   linebuf, sizeof(linebuf), false);
+			pr_warn("%s: status1 : %s\n", __func__, linebuf);
+		}
+
+		memset(status, 0xff, num_irq_regs);
+		wcd9xxx_bulk_write(wcd9xxx, WCD9XXX_A_INTR_CLEAR0,
+				   num_irq_regs, status);
+		if (wcd9xxx_get_intf_type() == WCD9XXX_INTERFACE_TYPE_I2C)
+			wcd9xxx_reg_write(wcd9xxx, WCD9XXX_A_INTR_MODE, 0x02);
 	}
 	wcd9xxx_unlock_sleep(wcd9xxx);
 
diff --git a/drivers/misc/qseecom.c b/drivers/misc/qseecom.c
index 05a15b1..fcadc30 100644
--- a/drivers/misc/qseecom.c
+++ b/drivers/misc/qseecom.c
@@ -52,6 +52,8 @@
 #define QSEE_VERSION_02			0x402000
 #define QSEE_VERSION_03			0x403000
 #define QSEE_VERSION_04			0x404000
+#define QSEE_VERSION_05			0x405000
+
 
 
 #define QSEOS_CHECK_VERSION_CMD		0x00001803
@@ -565,13 +567,14 @@
 		if (wait_event_freezable(qseecom.send_resp_wq,
 				__qseecom_listener_has_sent_rsp(data))) {
 			pr_warning("Interrupted: exiting send_cmd loop\n");
-			return -ERESTARTSYS;
+			ret = -ERESTARTSYS;
 		}
 
-		if (data->abort) {
-			pr_err("Aborting listener service %d\n",
-				data->listener.id);
-			rc = -ENODEV;
+		if ((data->abort) || (ret == -ERESTARTSYS)) {
+			pr_err("Abort clnt %d waiting on lstnr svc %d, ret %d",
+				data->client.app_id, lstnr, ret);
+			if (data->abort)
+				rc = -ENODEV;
 			send_data_rsp.status  = QSEOS_RESULT_FAILURE;
 		} else {
 			send_data_rsp.status  = QSEOS_RESULT_SUCCESS;
@@ -672,7 +675,7 @@
 		app_id = ret;
 
 	if (app_id) {
-		pr_warn("App id %d (%s) already exists\n", app_id,
+		pr_debug("App id %d (%s) already exists\n", app_id,
 			(char *)(req.app_name));
 		spin_lock_irqsave(&qseecom.registered_app_list_lock, flags);
 		list_for_each_entry(entry,
@@ -830,7 +833,7 @@
 					break;
 				} else {
 					ptr_app->ref_cnt--;
-					pr_warn("Can't unload app(%d) inuse\n",
+					pr_debug("Can't unload app(%d) inuse\n",
 							ptr_app->app_id);
 					break;
 				}
@@ -1647,7 +1650,6 @@
 	data->abort = 0;
 	data->type = QSEECOM_CLIENT_APP;
 	data->released = false;
-	data->client.app_id = ret;
 	data->client.sb_length = size;
 	data->client.user_virt_sb_base = 0;
 	data->client.ihandle = NULL;
@@ -1692,7 +1694,7 @@
 		*handle = NULL;
 		return -EINVAL;
 	}
-
+	data->client.app_id = ret;
 	if (ret > 0) {
 		pr_warn("App id %d for [%s] app exists\n", ret,
 			(char *)app_ireq.app_name);
@@ -2315,7 +2317,7 @@
 		pr_err(" scm call to check if app is loaded failed");
 		return ret;	/* scm call failed */
 	} else if (ret > 0) {
-		pr_warn("App id %d (%s) already exists\n", ret,
+		pr_debug("App id %d (%s) already exists\n", ret,
 			(char *)(req.app_name));
 		spin_lock_irqsave(&qseecom.registered_app_list_lock, flags);
 		list_for_each_entry(entry,
@@ -2381,9 +2383,11 @@
 
 	memcpy(ireq.key_id, key_id, QSEECOM_KEY_ID_SIZE);
 	ireq.flags = flags;
+	ireq.qsee_command_id = QSEOS_GENERATE_KEY;
 
 	__qseecom_enable_clk(CLK_QSEE);
-	ret = scm_call(SCM_SVC_CRYPTO, QSEOS_GENERATE_KEY,
+
+	ret = scm_call(SCM_SVC_TZSCHEDULER, 1,
 				&ireq, sizeof(struct qseecom_key_generate_ireq),
 				&resp, sizeof(resp));
 	if (ret) {
@@ -2395,10 +2399,19 @@
 	switch (resp.result) {
 	case QSEOS_RESULT_SUCCESS:
 		break;
+	case QSEOS_RESULT_FAIL_KEY_ID_EXISTS:
+		break;
 	case QSEOS_RESULT_INCOMPLETE:
 		ret = __qseecom_process_incomplete_cmd(data, &resp);
-		if (ret)
-			pr_err("process_incomplete_cmd FAILED\n");
+		if (ret) {
+			if (resp.result == QSEOS_RESULT_FAIL_KEY_ID_EXISTS) {
+				pr_warn("process_incomplete_cmd return Key ID exits.\n");
+				ret = 0;
+			} else {
+				pr_err("process_incomplete_cmd FAILED, resp.result %d\n",
+					resp.result);
+			}
+		}
 		break;
 	case QSEOS_RESULT_FAILURE:
 	default:
@@ -2425,9 +2438,11 @@
 
 	memcpy(ireq.key_id, key_id, QSEECOM_KEY_ID_SIZE);
 	ireq.flags = flags;
+	ireq.qsee_command_id = QSEOS_DELETE_KEY;
 
 	__qseecom_enable_clk(CLK_QSEE);
-	ret = scm_call(SCM_SVC_CRYPTO, QSEOS_DELETE_KEY,
+
+	ret = scm_call(SCM_SVC_TZSCHEDULER, 1,
 				&ireq, sizeof(struct qseecom_key_delete_ireq),
 				&resp, sizeof(struct qseecom_command_scm_resp));
 	if (ret) {
@@ -2442,7 +2457,8 @@
 	case QSEOS_RESULT_INCOMPLETE:
 		ret = __qseecom_process_incomplete_cmd(data, &resp);
 		if (ret)
-			pr_err("process_incomplete_cmd FAILED\n");
+			pr_err("process_incomplete_cmd FAILED, resp.result %d\n",
+					resp.result);
 		break;
 	case QSEOS_RESULT_FAILURE:
 	default:
@@ -2474,10 +2490,14 @@
 		__qseecom_enable_clk(CLK_CE_DRV);
 
 	memcpy(ireq.key_id, set_key_para->key_id, QSEECOM_KEY_ID_SIZE);
+	ireq.qsee_command_id = QSEOS_SET_KEY;
 	ireq.ce = set_key_para->ce_hw;
 	ireq.pipe = set_key_para->pipe;
 	ireq.flags = set_key_para->flags;
 
+	/* set PIPE_ENC */
+	ireq.pipe_type = QSEOS_PIPE_ENC;
+
 	if (set_key_para->set_clear_key_flag ==
 			QSEECOM_SET_CE_KEY_CMD)
 		memcpy((void *)ireq.hash, (void *)set_key_para->hash32,
@@ -2485,11 +2505,22 @@
 	else
 		memset((void *)ireq.hash, 0, QSEECOM_HASH_SIZE);
 
-	ret = scm_call(SCM_SVC_CRYPTO, QSEOS_SET_KEY,
+	ret = scm_call(SCM_SVC_TZSCHEDULER, 1,
 				&ireq, sizeof(struct qseecom_key_select_ireq),
 				&resp, sizeof(struct qseecom_command_scm_resp));
 	if (ret) {
-		pr_err("scm call to set key failed : %d\n", ret);
+		pr_err("scm call to set QSEOS_PIPE_ENC key failed : %d\n", ret);
+		return ret;
+	}
+
+	/* set PIPE_ENC_XTS */
+	ireq.pipe_type = QSEOS_PIPE_ENC_XTS;
+	ret = scm_call(SCM_SVC_TZSCHEDULER, 1,
+				&ireq, sizeof(struct qseecom_key_select_ireq),
+				&resp, sizeof(struct qseecom_command_scm_resp));
+	if (ret) {
+		pr_err("scm call to set QSEOS_PIPE_ENC_XTS key failed : %d\n",
+			ret);
 		return ret;
 	}
 
@@ -2499,7 +2530,8 @@
 	case QSEOS_RESULT_INCOMPLETE:
 		ret = __qseecom_process_incomplete_cmd(data, &resp);
 		if (ret)
-			pr_err("process_incomplete_cmd FAILED\n");
+			pr_err("process_incomplete_cmd FAILED, resp.result %d\n",
+					resp.result);
 		break;
 	case QSEOS_RESULT_FAILURE:
 	default:
@@ -2878,6 +2910,11 @@
 		break;
 	}
 	case QSEECOM_IOCTL_CREATE_KEY_REQ: {
+		if (qseecom.qsee_version < QSEE_VERSION_05) {
+			pr_err("Create Key feature not supported in qsee version %u\n",
+				qseecom.qsee_version);
+			return -EINVAL;
+		}
 		data->released = true;
 		mutex_lock(&app_access_lock);
 		atomic_inc(&data->ioctl_count);
@@ -2890,6 +2927,11 @@
 		break;
 	}
 	case QSEECOM_IOCTL_WIPE_KEY_REQ: {
+		if (qseecom.qsee_version < QSEE_VERSION_05) {
+			pr_err("Wipe Key feature not supported in qsee version %u\n",
+				qseecom.qsee_version);
+			return -EINVAL;
+		}
 		data->released = true;
 		mutex_lock(&app_access_lock);
 		atomic_inc(&data->ioctl_count);
diff --git a/drivers/misc/tspp.c b/drivers/misc/tspp.c
index dbb4f5e..73cae32 100644
--- a/drivers/misc/tspp.c
+++ b/drivers/misc/tspp.c
@@ -1571,6 +1571,7 @@
 	int id;
 	int table_idx;
 	u32 val;
+	unsigned long flags;
 
 	struct sps_connect *config;
 	struct tspp_device *pdev;
@@ -1591,6 +1592,15 @@
 	if (!channel->used)
 		return 0;
 
+	/*
+	 * Need to protect access to used and waiting fields, as they are
+	 * used by the tasklet which is invoked from interrupt context
+	 */
+	spin_lock_irqsave(&pdev->spinlock, flags);
+	channel->used = 0;
+	channel->waiting = NULL;
+	spin_unlock_irqrestore(&pdev->spinlock, flags);
+
 	if (channel->expiration_period_ms)
 		del_timer(&channel->expiration_timer);
 
@@ -1644,9 +1654,7 @@
 	channel->buffer_count = 0;
 	channel->data = NULL;
 	channel->read = NULL;
-	channel->waiting = NULL;
 	channel->locked = NULL;
-	channel->used = 0;
 
 	if (tspp_channels_in_use(pdev) == 0) {
 		wake_unlock(&pdev->wake_lock);
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index 5b7f08f..9f12142 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -67,12 +67,19 @@
 			(rq_data_dir(req) == WRITE))
 #define PACKED_CMD_VER		0x01
 #define PACKED_CMD_WR		0x02
+#define PACKED_TRIGGER_MAX_ELEMENTS	5000
 #define MMC_BLK_UPDATE_STOP_REASON(stats, reason)			\
 	do {								\
 		if (stats->enabled)					\
 			stats->pack_stop_reason[reason]++;		\
 	} while (0)
 
+#define PCKD_TRGR_INIT_MEAN_POTEN	17
+#define PCKD_TRGR_POTEN_LOWER_BOUND	5
+#define PCKD_TRGR_URGENT_PENALTY	2
+#define PCKD_TRGR_LOWER_BOUND		5
+#define PCKD_TRGR_PRECISION_MULTIPLIER	100
+
 static DEFINE_MUTEX(block_mutex);
 
 /*
@@ -1862,6 +1869,80 @@
 }
 EXPORT_SYMBOL(mmc_blk_disable_wr_packing);
 
+static int get_packed_trigger(int potential, struct mmc_card *card,
+			      struct request *req, int curr_trigger)
+{
+	static int num_mean_elements = 1;
+	static unsigned long mean_potential = PCKD_TRGR_INIT_MEAN_POTEN;
+	unsigned int trigger = curr_trigger;
+	unsigned int pckd_trgr_upper_bound = card->ext_csd.max_packed_writes;
+
+	/* scale down the upper bound to 75% */
+	pckd_trgr_upper_bound = (pckd_trgr_upper_bound * 3) / 4;
+
+	/*
+	 * since the most common calls for this function are with small
+	 * potential write values and since we don't want these calls to affect
+	 * the packed trigger, set a lower bound and ignore calls with
+	 * potential lower than that bound
+	 */
+	if (potential <= PCKD_TRGR_POTEN_LOWER_BOUND)
+		return trigger;
+
+	/*
+	 * this is to prevent integer overflow in the following calculation:
+	 * once every PACKED_TRIGGER_MAX_ELEMENTS reset the algorithm
+	 */
+	if (num_mean_elements > PACKED_TRIGGER_MAX_ELEMENTS) {
+		num_mean_elements = 1;
+		mean_potential = PCKD_TRGR_INIT_MEAN_POTEN;
+	}
+
+	/*
+	 * get next mean value based on previous mean value and current
+	 * potential packed writes. Calculation is as follows:
+	 * mean_pot[i+1] =
+	 *	((mean_pot[i] * num_mean_elem) + potential)/(num_mean_elem + 1)
+	 */
+	mean_potential *= num_mean_elements;
+	/*
+	 * add num_mean_elements so that the division of two integers doesn't
+	 * lower mean_potential too much
+	 */
+	if (potential > mean_potential)
+		mean_potential += num_mean_elements;
+	mean_potential += potential;
+	/* this is for gaining more precision when dividing two integers */
+	mean_potential *= PCKD_TRGR_PRECISION_MULTIPLIER;
+	/* this completes the mean calculation */
+	mean_potential /= ++num_mean_elements;
+	mean_potential /= PCKD_TRGR_PRECISION_MULTIPLIER;
+
+	/*
+	 * if current potential packed writes is greater than the mean potential
+	 * then the heuristic is that the following workload will contain many
+	 * write requests, therefore we lower the packed trigger. In the
+	 * opposite case we want to increase the trigger in order to get less
+	 * packing events.
+	 */
+	if (potential >= mean_potential)
+		trigger = (trigger <= PCKD_TRGR_LOWER_BOUND) ?
+				PCKD_TRGR_LOWER_BOUND : trigger - 1;
+	else
+		trigger = (trigger >= pckd_trgr_upper_bound) ?
+				pckd_trgr_upper_bound : trigger + 1;
+
+	/*
+	 * an urgent read request indicates a packed list being interrupted
+	 * by this read, therefore we aim for less packing, hence the trigger
+	 * gets increased
+	 */
+	if (req && (req->cmd_flags & REQ_URGENT) && (rq_data_dir(req) == READ))
+		trigger += PCKD_TRGR_URGENT_PENALTY;
+
+	return trigger;
+}
+
 static void mmc_blk_write_packing_control(struct mmc_queue *mq,
 					  struct request *req)
 {
@@ -1889,6 +1970,10 @@
 		if (mq->num_of_potential_packed_wr_reqs >
 				mq->num_wr_reqs_to_start_packing)
 			mq->wr_packing_enabled = true;
+		mq->num_wr_reqs_to_start_packing =
+			get_packed_trigger(mq->num_of_potential_packed_wr_reqs,
+					   mq->card, req,
+					   mq->num_wr_reqs_to_start_packing);
 		mq->num_of_potential_packed_wr_reqs = 0;
 		return;
 	}
@@ -1897,6 +1982,12 @@
 
 	if (data_dir == READ) {
 		mmc_blk_disable_wr_packing(mq);
+		mq->num_wr_reqs_to_start_packing =
+			get_packed_trigger(mq->num_of_potential_packed_wr_reqs,
+					   mq->card, req,
+					   mq->num_wr_reqs_to_start_packing);
+		mq->num_of_potential_packed_wr_reqs = 0;
+		mq->wr_packing_enabled = false;
 		return;
 	} else if (data_dir == WRITE) {
 		mq->num_of_potential_packed_wr_reqs++;
diff --git a/drivers/mmc/host/msm_sdcc.c b/drivers/mmc/host/msm_sdcc.c
index 9c30cd1..3f3687b 100644
--- a/drivers/mmc/host/msm_sdcc.c
+++ b/drivers/mmc/host/msm_sdcc.c
@@ -4683,10 +4683,10 @@
 	}
 	/* Now save the sps pipe handle */
 	ep->pipe_handle = sps_pipe_handle;
-	pr_debug("%s: %s, success !!! %s: pipe_handle=0x%x,"
-		" desc_fifo.phys_base=0x%x\n", mmc_hostname(host->mmc),
+	pr_debug("%s: %s, success !!! %s: pipe_handle=0x%x,"\
+		" desc_fifo.phys_base=%pa\n", mmc_hostname(host->mmc),
 		__func__, is_producer ? "READ" : "WRITE",
-		(u32)sps_pipe_handle, sps_config->desc.phys_base);
+		(u32)sps_pipe_handle, &sps_config->desc.phys_base);
 	goto out;
 
 reg_event_err:
@@ -4929,11 +4929,8 @@
 	host->bam_base = ioremap(host->bam_memres->start,
 				resource_size(host->bam_memres));
 	if (!host->bam_base) {
-		pr_err("%s: BAM ioremap() failed!!! phys_addr=0x%x,"
-			" size=0x%x", mmc_hostname(host->mmc),
-			host->bam_memres->start,
-			(host->bam_memres->end -
-			host->bam_memres->start));
+		pr_err("%s: BAM ioremap() failed!!! resource: %pr\n",
+			mmc_hostname(host->mmc), host->bam_memres);
 		rc = -ENOMEM;
 		goto out;
 	}
@@ -4954,7 +4951,7 @@
 	 */
 	bam.summing_threshold = SPS_MIN_XFER_SIZE;
 	/* SPS driver wll handle the SDCC BAM IRQ */
-	bam.irq = (u32)host->bam_irqres->start;
+	bam.irq = host->bam_irqres->start;
 	bam.manage = SPS_BAM_MGR_LOCAL;
 	bam.callback = msmsdcc_sps_bam_global_irq_cb;
 	bam.user = (void *)host;
@@ -4990,10 +4987,8 @@
 	if (rc)
 		goto cons_conn_err;
 
-	pr_info("%s: Qualcomm MSM SDCC-BAM at 0x%016llx irq %d\n",
-		mmc_hostname(host->mmc),
-		(unsigned long long)host->bam_memres->start,
-		(unsigned int)host->bam_irqres->start);
+	pr_info("%s: Qualcomm MSM SDCC-BAM at %pr %pr\n",
+		mmc_hostname(host->mmc), host->bam_memres, host->bam_irqres);
 	goto out;
 
 cons_conn_err:
@@ -5180,15 +5175,16 @@
 }
 
 static void msmsdcc_print_regs(const char *name, void __iomem *base,
-			       u32 phys_base, unsigned int no_of_regs)
+				resource_size_t phys_base,
+				unsigned int no_of_regs)
 {
 	unsigned int i;
 
 	if (!base)
 		return;
 
-	pr_err("===== %s: Register Dumps @phys_base=0x%x, @virt_base=0x%x"
-		" =====\n", name, phys_base, (u32)base);
+	pr_err("===== %s: Register Dumps @phys_base=%pa, @virt_base=0x%x"\
+		" =====\n", name, &phys_base, (u32)base);
 	for (i = 0; i < no_of_regs; i = i + 4) {
 		pr_err("Reg=0x%.2x: 0x%.8x, 0x%.8x, 0x%.8x, 0x%.8x\n", i*4,
 			(u32)readl_relaxed(base + i*4),
@@ -6275,10 +6271,8 @@
 	mmc->clk_scaling.polling_delay_ms = 100;
 	mmc->caps2 |= MMC_CAP2_CLK_SCALE;
 
-	pr_info("%s: Qualcomm MSM SDCC-core at 0x%016llx irq %d,%d dma %d"
-		" dmacrcri %d\n", mmc_hostname(mmc),
-		(unsigned long long)core_memres->start,
-		(unsigned int) core_irqres->start,
+	pr_info("%s: Qualcomm MSM SDCC-core %pr %pr,%d dma %d dmacrcri %d\n",
+		mmc_hostname(mmc), core_memres, core_irqres,
 		(unsigned int) plat->status_irq, host->dma.channel,
 		host->dma.crci);
 
@@ -6300,11 +6294,11 @@
 
 	if (is_dma_mode(host) && host->dma.channel != -1
 			&& host->dma.crci != -1) {
-		pr_info("%s: DM non-cached buffer at %p, dma_addr 0x%.8x\n",
-		       mmc_hostname(mmc), host->dma.nc, host->dma.nc_busaddr);
-		pr_info("%s: DM cmd busaddr 0x%.8x, cmdptr busaddr 0x%.8x\n",
-		       mmc_hostname(mmc), host->dma.cmd_busaddr,
-		       host->dma.cmdptr_busaddr);
+		pr_info("%s: DM non-cached buffer at %p, dma_addr: %pa\n",
+		       mmc_hostname(mmc), host->dma.nc, &host->dma.nc_busaddr);
+		pr_info("%s: DM cmd busaddr: %pa, cmdptr busaddr: %pa\n",
+		       mmc_hostname(mmc), &host->dma.cmd_busaddr,
+		       &host->dma.cmdptr_busaddr);
 	} else if (is_sps_mode(host)) {
 		pr_info("%s: SPS-BAM data transfer mode available\n",
 			mmc_hostname(mmc));
diff --git a/drivers/mmc/host/msm_sdcc_dml.c b/drivers/mmc/host/msm_sdcc_dml.c
index 91ab7e3..2562436 100644
--- a/drivers/mmc/host/msm_sdcc_dml.c
+++ b/drivers/mmc/host/msm_sdcc_dml.c
@@ -166,17 +166,13 @@
 		host->dml_base = ioremap(host->dml_memres->start,
 					resource_size(host->dml_memres));
 		if (!host->dml_base) {
-			pr_err("%s: DML ioremap() failed!!! phys_addr=0x%x,"
-				" size=0x%x", mmc_hostname(host->mmc),
-				host->dml_memres->start,
-				(host->dml_memres->end -
-				host->dml_memres->start));
+			pr_err("%s: DML ioremap() failed!!! %pr\n",
+				mmc_hostname(host->mmc), host->dml_memres);
 			rc = -ENOMEM;
 			goto out;
 		}
-		pr_info("%s: Qualcomm MSM SDCC-DML at 0x%016llx\n",
-			mmc_hostname(host->mmc),
-			(unsigned long long)host->dml_memres->start);
+		pr_info("%s: Qualcomm MSM SDCC-DML %pr\n",
+			mmc_hostname(host->mmc), host->dml_memres);
 	}
 
 	dml_base = host->dml_base;
diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c
index d1909aa..15e36a8 100644
--- a/drivers/mmc/host/sdhci-msm.c
+++ b/drivers/mmc/host/sdhci-msm.c
@@ -38,6 +38,7 @@
 #include <linux/dma-mapping.h>
 #include <mach/gpio.h>
 #include <mach/msm_bus.h>
+#include <linux/iopoll.h>
 
 #include "sdhci-pltfm.h"
 
@@ -81,6 +82,31 @@
 #define CORE_CLK_PWRSAVE	(1 << 1)
 #define CORE_IO_PAD_PWR_SWITCH	(1 << 16)
 
+#define CORE_MCI_DATA_CTRL	0x2C
+#define CORE_MCI_DPSM_ENABLE	(1 << 0)
+
+#define CORE_TESTBUS_CONFIG	0x0CC
+#define CORE_TESTBUS_ENA	(1 << 3)
+#define CORE_TESTBUS_SEL2	(1 << 4)
+
+/*
+ * Waiting until end of potential AHB access for data:
+ * 16 AHB cycles (160ns for 100MHz and 320ns for 50MHz) +
+ * delay on AHB (2us) = maximum 2.32us
+ * Taking x10 times margin
+ */
+#define CORE_AHB_DATA_DELAY_US  23
+/* Waiting until end of potential AHB access for descriptor:
+ * Single (1 AHB cycle) + delay on AHB bus = max 2us
+ * INCR4 (4 AHB cycles) + delay on AHB bus = max 2us
+ * Single (1 AHB cycle) + delay on AHB bus = max 2us
+ * Total 8 us delay with margin
+ */
+#define CORE_AHB_DESC_DELAY_US  8
+
+#define CORE_SDCC_DEBUG_REG	0x124
+#define CORE_DEBUG_REG_AHB_HTRANS       (3 << 12)
+
 /* 8KB descriptors */
 #define SDHCI_MSM_MAX_SEGMENTS  (1 << 13)
 #define SDHCI_MSM_MMC_CLK_GATE_DELAY	200 /* msecs */
@@ -2044,6 +2070,51 @@
 	return 0;
 }
 
+/*
+ * sdhci_msm_disable_data_xfer - disable undergoing AHB bus data transfer
+ *
+ * Write 0 to bit 0 in MCI_DATA_CTL (offset 0x2C) - clearing TxActive bit by
+ * access to legacy registers. It will stop current burst and prevent start of
+ * the next on.
+ *
+ * Polling CORE_AHB_DATA_DELAY_US timeout, by reading bit 13:12 until they are 0
+ * in CORE_SDCC_DEBUG_REG (offset 0x124) will validate that AHB burst was
+ * completed and a new one didn't start.
+ *
+ * Waiting for 4us while AHB finishes descriptors fetch.
+ */
+static void sdhci_msm_disable_data_xfer(struct sdhci_host *host)
+{
+	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+	struct sdhci_msm_host *msm_host = pltfm_host->priv;
+	u32 value;
+	int ret;
+
+	value = readl_relaxed(msm_host->core_mem + CORE_MCI_DATA_CTRL);
+	value &= ~(u32)CORE_MCI_DPSM_ENABLE;
+	writel_relaxed(value, msm_host->core_mem + CORE_MCI_DATA_CTRL);
+
+	/* Enable the test bus for device slot */
+	writel_relaxed(CORE_TESTBUS_ENA | CORE_TESTBUS_SEL2,
+			msm_host->core_mem + CORE_TESTBUS_CONFIG);
+
+	ret = readl_poll_timeout_noirq(msm_host->core_mem
+			+ CORE_SDCC_DEBUG_REG, value,
+			!(value & CORE_DEBUG_REG_AHB_HTRANS),
+			CORE_AHB_DATA_DELAY_US, 1);
+	if (ret) {
+		pr_err("%s: %s: can't stop ongoing AHB bus access by ADMA\n",
+				mmc_hostname(host->mmc), __func__);
+		BUG();
+	}
+	/* Disable the test bus for device slot */
+	value = readl_relaxed(msm_host->core_mem + CORE_TESTBUS_CONFIG);
+	value &= ~CORE_TESTBUS_ENA;
+	writel_relaxed(value, msm_host->core_mem + CORE_TESTBUS_CONFIG);
+
+	udelay(CORE_AHB_DESC_DELAY_US);
+}
+
 static struct sdhci_ops sdhci_msm_ops = {
 	.set_uhs_signaling = sdhci_msm_set_uhs_signaling,
 	.check_power_status = sdhci_msm_check_power_status,
@@ -2054,6 +2125,7 @@
 	.platform_bus_voting = sdhci_msm_bus_voting,
 	.get_min_clock = sdhci_msm_get_min_clock,
 	.get_max_clock = sdhci_msm_get_max_clock,
+	.disable_data_xfer = sdhci_msm_disable_data_xfer,
 };
 
 static int __devinit sdhci_msm_probe(struct platform_device *pdev)
@@ -2064,7 +2136,7 @@
 	struct resource *core_memres = NULL;
 	int ret = 0, dead = 0;
 	u32 vdd_max_current;
-	u32 host_version;
+	u16 host_version;
 
 	pr_debug("%s: Enter %s\n", dev_name(&pdev->dev), __func__);
 	msm_host = devm_kzalloc(&pdev->dev, sizeof(struct sdhci_msm_host),
@@ -2192,7 +2264,7 @@
 	host->quirks2 |= SDHCI_QUIRK2_BROKEN_PRESET_VALUE;
 	host->quirks2 |= SDHCI_QUIRK2_USE_RESERVED_MAX_TIMEOUT;
 
-	host_version = readl_relaxed((host->ioaddr + SDHCI_HOST_VERSION));
+	host_version = readw_relaxed((host->ioaddr + SDHCI_HOST_VERSION));
 	dev_dbg(&pdev->dev, "Host Version: 0x%x Vendor Version 0x%x\n",
 		host_version, ((host_version & SDHCI_VENDOR_VER_MASK) >>
 		  SDHCI_VENDOR_VER_SHIFT));
@@ -2262,6 +2334,7 @@
 	msm_host->mmc->caps2 |= MMC_CAP2_CACHE_CTRL;
 	msm_host->mmc->caps2 |= MMC_CAP2_POWEROFF_NOTIFY;
 	msm_host->mmc->caps2 |= MMC_CAP2_CLK_SCALE;
+	msm_host->mmc->caps2 |= MMC_CAP2_STOP_REQUEST;
 
 	if (msm_host->pdata->nonremovable)
 		msm_host->mmc->caps |= MMC_CAP_NONREMOVABLE;
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 70a9e96..3efea77 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -2124,6 +2124,53 @@
 	sdhci_runtime_pm_put(host);
 }
 
+static int sdhci_stop_request(struct mmc_host *mmc)
+{
+	struct sdhci_host *host = mmc_priv(mmc);
+	unsigned long flags;
+	struct mmc_data *data;
+
+	spin_lock_irqsave(&host->lock, flags);
+	if (!host->mrq || !host->data)
+		goto out;
+
+	data = host->data;
+
+	if (host->ops->disable_data_xfer)
+		host->ops->disable_data_xfer(host);
+
+	sdhci_reset(host, SDHCI_RESET_CMD | SDHCI_RESET_DATA);
+
+	if (host->flags & SDHCI_REQ_USE_DMA) {
+		if (host->flags & SDHCI_USE_ADMA) {
+			sdhci_adma_table_post(host, data);
+		} else {
+			if (!data->host_cookie)
+				dma_unmap_sg(mmc_dev(host->mmc), data->sg,
+					     data->sg_len,
+					     (data->flags & MMC_DATA_READ) ?
+					     DMA_FROM_DEVICE : DMA_TO_DEVICE);
+		}
+	}
+	del_timer(&host->timer);
+	host->mrq = NULL;
+	host->cmd = NULL;
+	host->data = NULL;
+out:
+	spin_unlock_irqrestore(&host->lock, flags);
+	return 0;
+}
+
+static unsigned int sdhci_get_xfer_remain(struct mmc_host *mmc)
+{
+	struct sdhci_host *host = mmc_priv(mmc);
+	u32 present_state = 0;
+
+	present_state = sdhci_readl(host, SDHCI_PRESENT_STATE);
+
+	return present_state & SDHCI_DOING_WRITE;
+}
+
 static const struct mmc_host_ops sdhci_ops = {
 	.pre_req	= sdhci_pre_req,
 	.post_req	= sdhci_post_req,
@@ -2137,6 +2184,8 @@
 	.enable_preset_value		= sdhci_enable_preset_value,
 	.enable		= sdhci_enable,
 	.disable	= sdhci_disable,
+	.stop_request = sdhci_stop_request,
+	.get_xfer_remain = sdhci_get_xfer_remain,
 };
 
 /*****************************************************************************\
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index c6bef8a..a3d8442 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -286,6 +286,7 @@
 	void	(*toggle_cdr)(struct sdhci_host *host, bool enable);
 	unsigned int	(*get_max_segments)(void);
 	void	(*platform_bus_voting)(struct sdhci_host *host, u32 enable);
+	void    (*disable_data_xfer)(struct sdhci_host *host);
 };
 
 #ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS
diff --git a/drivers/mtd/devices/msm_qpic_nand.c b/drivers/mtd/devices/msm_qpic_nand.c
index 570c257..fe8bdd0 100644
--- a/drivers/mtd/devices/msm_qpic_nand.c
+++ b/drivers/mtd/devices/msm_qpic_nand.c
@@ -691,9 +691,9 @@
 
 	/* Lookup the 'APPS' partition's first page address */
 	for (i = 0; i < FLASH_PTABLE_MAX_PARTS_V4; i++) {
-		if (!strncmp("apps", ptable.part_entry[i].name,
-				strlen(ptable.part_entry[i].name))) {
-			page_address = ptable.part_entry[i].offset << 6;
+		if (!strncmp("apps", mtd_part[i].name,
+				strlen(mtd_part[i].name))) {
+			page_address = mtd_part[i].offset << 6;
 			break;
 		}
 	}
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index 4e12bb7..147e378 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -1127,6 +1127,33 @@
 }
 #endif
 
+static inline unsigned long get_vm_size(struct vm_area_struct *vma)
+{
+	return vma->vm_end - vma->vm_start;
+}
+
+static inline resource_size_t get_vm_offset(struct vm_area_struct *vma)
+{
+	return (resource_size_t) vma->vm_pgoff << PAGE_SHIFT;
+}
+
+/*
+ * Set a new vm offset.
+ *
+ * Verify that the incoming offset really works as a page offset,
+ * and that the offset and size fit in a resource_size_t.
+ */
+static inline int set_vm_offset(struct vm_area_struct *vma, resource_size_t off)
+{
+	pgoff_t pgoff = off >> PAGE_SHIFT;
+	if (off != (resource_size_t) pgoff << PAGE_SHIFT)
+		return -EINVAL;
+	if (off + get_vm_size(vma) - 1 < off)
+		return -EINVAL;
+	vma->vm_pgoff = pgoff;
+	return 0;
+}
+
 /*
  * set up a mapping for shared memory segments
  */
@@ -1136,20 +1163,29 @@
 	struct mtd_file_info *mfi = file->private_data;
 	struct mtd_info *mtd = mfi->mtd;
 	struct map_info *map = mtd->priv;
-	unsigned long start;
-	unsigned long off;
-	u32 len;
+	resource_size_t start, off;
+	unsigned long len, vma_len;
 
 	if (mtd->type == MTD_RAM || mtd->type == MTD_ROM) {
-		off = vma->vm_pgoff << PAGE_SHIFT;
+		off = get_vm_offset(vma);
 		start = map->phys;
 		len = PAGE_ALIGN((start & ~PAGE_MASK) + map->size);
 		start &= PAGE_MASK;
-		if ((vma->vm_end - vma->vm_start + off) > len)
+		vma_len = get_vm_size(vma);
+
+		/* Overflow in off+len? */
+		if (vma_len + off < off)
+			return -EINVAL;
+		/* Does it fit in the mapping? */
+		if (vma_len + off > len)
 			return -EINVAL;
 
 		off += start;
-		vma->vm_pgoff = off >> PAGE_SHIFT;
+		/* Did that overflow? */
+		if (off < start)
+			return -EINVAL;
+		if (set_vm_offset(vma, off) < 0)
+			return -EINVAL;
 		vma->vm_flags |= VM_IO | VM_RESERVED;
 
 #ifdef pgprot_noncached
diff --git a/drivers/net/ethernet/msm/ecm_ipa.c b/drivers/net/ethernet/msm/ecm_ipa.c
index 114b23d..38a36bb 100644
--- a/drivers/net/ethernet/msm/ecm_ipa.c
+++ b/drivers/net/ethernet/msm/ecm_ipa.c
@@ -22,13 +22,13 @@
 #include <mach/ecm_ipa.h>
 
 #define DRIVER_NAME "ecm_ipa"
-#define DRIVER_VERSION "20-Mar-2013"
 #define ECM_IPA_IPV4_HDR_NAME "ecm_eth_ipv4"
 #define ECM_IPA_IPV6_HDR_NAME "ecm_eth_ipv6"
 #define IPA_TO_USB_CLIENT	IPA_CLIENT_USB_CONS
 #define INACTIVITY_MSEC_DELAY 100
 #define DEFAULT_OUTSTANDING_HIGH 64
 #define DEFAULT_OUTSTANDING_LOW 32
+#define DEBUGFS_TEMP_BUF_SIZE 4
 
 #define ECM_IPA_ERROR(fmt, args...) \
 	pr_err(DRIVER_NAME "@%s@%d@ctx:%s: "\
@@ -57,6 +57,7 @@
  * @tx_file: saved debugfs entry to allow cleanup
  * @rx_file: saved debugfs entry to allow cleanup
  * @rm_file: saved debugfs entry to allow cleanup
+ * @outstanding_file:  saved debugfs entry to allow cleanup
  * @outstanding_high_file saved debugfs entry to allow cleanup
  * @outstanding_low_file saved debugfs entry to allow cleanup
  * @dma_file: saved debugfs entry to allow cleanup
@@ -82,6 +83,7 @@
 	struct dentry *outstanding_high_file;
 	struct dentry *outstanding_low_file;
 	struct dentry *dma_file;
+	struct dentry *outstanding_file;
 	uint32_t eth_ipv4_hdr_hdl;
 	uint32_t eth_ipv6_hdr_hdl;
 	u32 usb_to_ipa_hdl;
@@ -129,8 +131,11 @@
 static int ecm_ipa_debugfs_rx_open(struct inode *inode, struct file *file);
 static int ecm_ipa_debugfs_rm_open(struct inode *inode, struct file *file);
 static int ecm_ipa_debugfs_dma_open(struct inode *inode, struct file *file);
+static int ecm_ipa_debugfs_atomic_open(struct inode *inode, struct file *file);
 static ssize_t ecm_ipa_debugfs_enable_read(struct file *file,
 		char __user *ubuf, size_t count, loff_t *ppos);
+static ssize_t ecm_ipa_debugfs_atomic_read(struct file *file,
+		char __user *ubuf, size_t count, loff_t *ppos);
 static ssize_t ecm_ipa_debugfs_enable_write(struct file *file,
 		const char __user *buf, size_t count, loff_t *ppos);
 static ssize_t ecm_ipa_debugfs_enable_write_dma(struct file *file,
@@ -169,6 +174,11 @@
 	.write = ecm_ipa_debugfs_enable_write_dma,
 };
 
+const struct file_operations ecm_ipa_debugfs_atomic_ops = {
+		.open = ecm_ipa_debugfs_atomic_open,
+		.read = ecm_ipa_debugfs_atomic_read,
+};
+
 /**
  * ecm_ipa_init() - initializes internal data structures
  * @ecm_ipa_rx_dp_notify: supplied callback to be called by the IPA
@@ -195,10 +205,12 @@
 	struct net_device *net;
 	struct ecm_ipa_dev *dev;
 	ECM_IPA_LOG_ENTRY();
-	pr_debug("%s version %s\n", DRIVER_NAME, DRIVER_VERSION);
+	pr_debug("%s initializing\n", DRIVER_NAME);
 	NULL_CHECK(ecm_ipa_rx_dp_notify);
 	NULL_CHECK(ecm_ipa_tx_dp_notify);
 	NULL_CHECK(priv);
+	pr_debug("rx_cb=0x%p, tx_cb=0x%p priv=0x%p\n",
+			ecm_ipa_rx_dp_notify, ecm_ipa_tx_dp_notify, *priv);
 	net = alloc_etherdev(sizeof(struct ecm_ipa_dev));
 	if (!net) {
 		ret = -ENOMEM;
@@ -420,8 +432,8 @@
 	NULL_CHECK(dev);
 	net = dev->net;
 	NULL_CHECK(net);
-	pr_debug("host_ethaddr=%pM device_ethaddr=%pM\n",
-					host_ethaddr, device_ethaddr);
+	pr_debug("priv=0x%p, host_ethaddr=%pM device_ethaddr=%pM\n",
+					priv, host_ethaddr, device_ethaddr);
 	result = ecm_ipa_create_rm_resource(dev);
 	if (result) {
 		ECM_IPA_ERROR("fail on RM create\n");
@@ -472,8 +484,8 @@
 	struct ecm_ipa_dev *dev = priv;
 	ECM_IPA_LOG_ENTRY();
 	NULL_CHECK(priv);
-	pr_debug("usb_to_ipa_hdl = %d, ipa_to_usb_hdl = %d\n",
-					usb_to_ipa_hdl, ipa_to_usb_hdl);
+	pr_debug("usb_to_ipa_hdl = %d, ipa_to_usb_hdl = %d, priv=0x%p\n",
+					usb_to_ipa_hdl, ipa_to_usb_hdl, priv);
 	if (!usb_to_ipa_hdl || usb_to_ipa_hdl >= IPA_CLIENT_MAX) {
 		ECM_IPA_ERROR("usb_to_ipa_hdl(%d) is not a valid ipa handle\n",
 				usb_to_ipa_hdl);
@@ -502,6 +514,7 @@
 	struct ecm_ipa_dev *dev = priv;
 	ECM_IPA_LOG_ENTRY();
 	NULL_CHECK(dev);
+	pr_debug("priv=0x%p\n", priv);
 	netif_carrier_off(dev->net);
 	ECM_IPA_LOG_EXIT();
 	return 0;
@@ -622,6 +635,7 @@
 {
 	struct ecm_ipa_dev *dev = priv;
 	ECM_IPA_LOG_ENTRY();
+	pr_debug("priv=0x%p\n", priv);
 	if (!dev) {
 		ECM_IPA_ERROR("dev NULL pointer\n");
 		return;
@@ -630,10 +644,9 @@
 	ecm_ipa_destory_rm_resource(dev);
 	ecm_ipa_debugfs_destroy(dev);
 
-	if (!dev->net) {
-		unregister_netdev(dev->net);
-		free_netdev(dev->net);
-	}
+	unregister_netdev(dev->net);
+	free_netdev(dev->net);
+
 	pr_debug("cleanup done\n");
 	ecm_ipa_ctx = NULL;
 	ECM_IPA_LOG_EXIT();
@@ -833,6 +846,15 @@
 	return 0;
 }
 
+static int ecm_ipa_debugfs_atomic_open(struct inode *inode, struct file *file)
+{
+	struct ecm_ipa_dev *dev = inode->i_private;
+	ECM_IPA_LOG_ENTRY();
+	file->private_data = &(dev->outstanding_pkts);
+	ECM_IPA_LOG_EXIT();
+	return 0;
+}
+
 static ssize_t ecm_ipa_debugfs_enable_write_dma(struct file *file,
 		const char __user *buf, size_t count, loff_t *ppos)
 {
@@ -904,9 +926,22 @@
 	return size;
 }
 
+static ssize_t ecm_ipa_debugfs_atomic_read(struct file *file,
+		char __user *ubuf, size_t count, loff_t *ppos)
+{
+	int nbytes;
+	u8 atomic_str[DEBUGFS_TEMP_BUF_SIZE] = {0};
+	atomic_t *atomic_var = file->private_data;
+	nbytes = scnprintf(atomic_str, sizeof(atomic_str), "%d\n",
+			atomic_read(atomic_var));
+	return simple_read_from_buffer(ubuf, count, ppos, atomic_str, nbytes);
+}
+
+
 static int ecm_ipa_debugfs_init(struct ecm_ipa_dev *dev)
 {
 	const mode_t flags = S_IRUGO | S_IWUGO;
+	const mode_t flags_read_only = S_IRUGO;
 
 	int ret = -EINVAL;
 	ECM_IPA_LOG_ENTRY();
@@ -961,6 +996,14 @@
 		ret = -EFAULT;
 		goto fail_file;
 	}
+	dev->outstanding_file = debugfs_create_file("outstanding",
+			flags_read_only, dev->folder, dev,
+			&ecm_ipa_debugfs_atomic_ops);
+	if (!dev->outstanding_file) {
+		ECM_IPA_ERROR("could not create outstanding file\n");
+		ret = -EFAULT;
+		goto fail_file;
+	}
 
 	ECM_IPA_LOG_EXIT();
 	return 0;
@@ -980,7 +1023,6 @@
 {
 	ECM_IPA_LOG_ENTRY();
 	strlcpy(drv_info->driver, DRIVER_NAME, sizeof(drv_info->driver));
-	strlcpy(drv_info->version, DRIVER_VERSION, sizeof(drv_info->version));
 	ECM_IPA_LOG_EXIT();
 }
 
diff --git a/drivers/platform/msm/ipa/Makefile b/drivers/platform/msm/ipa/Makefile
index b7eca61..2b6ce75 100644
--- a/drivers/platform/msm/ipa/Makefile
+++ b/drivers/platform/msm/ipa/Makefile
@@ -1,4 +1,4 @@
 obj-$(CONFIG_IPA) += ipat.o
 ipat-y := ipa.o ipa_debugfs.o ipa_hdr.o ipa_flt.o ipa_rt.o ipa_dp.o ipa_client.o \
-	ipa_utils.o ipa_nat.o rmnet_bridge.o a2_service.o ipa_bridge.o ipa_intf.o teth_bridge.o \
+	ipa_utils.o ipa_nat.o a2_service.o ipa_bridge.o ipa_intf.o teth_bridge.o \
 	ipa_rm.o ipa_rm_dependency_graph.o ipa_rm_peers_list.o ipa_rm_resource.o ipa_rm_inactivity_timer.o
diff --git a/drivers/platform/msm/ipa/a2_service.c b/drivers/platform/msm/ipa/a2_service.c
index 4b5f0a2..1b33dc0 100644
--- a/drivers/platform/msm/ipa/a2_service.c
+++ b/drivers/platform/msm/ipa/a2_service.c
@@ -205,6 +205,7 @@
 	smsm_change_state(SMSM_APPS_STATE,
 				clear_bit & SMSM_A2_POWER_CONTROL_ACK,
 				~clear_bit & SMSM_A2_POWER_CONTROL_ACK);
+	IPA_STATS_INC_CNT(ipa_ctx->stats.a2_power_apps_acks);
 	clear_bit = ~clear_bit;
 }
 
@@ -216,10 +217,13 @@
 	if (a2_mux_ctx->bam_dmux_uplink_vote == vote)
 		IPADBG("%s: warning - duplicate power vote\n", __func__);
 	a2_mux_ctx->bam_dmux_uplink_vote = vote;
-	if (vote)
+	if (vote) {
 		smsm_change_state(SMSM_APPS_STATE, 0, SMSM_A2_POWER_CONTROL);
-	else
+		IPA_STATS_INC_CNT(ipa_ctx->stats.a2_power_on_reqs_out);
+	} else {
 		smsm_change_state(SMSM_APPS_STATE, SMSM_A2_POWER_CONTROL, 0);
+		IPA_STATS_INC_CNT(ipa_ctx->stats.a2_power_off_reqs_out);
+	}
 }
 
 static inline void ul_powerdown(void)
@@ -634,12 +638,14 @@
 	last_processed_state = new_state & SMSM_A2_POWER_CONTROL;
 	if (new_state & SMSM_A2_POWER_CONTROL) {
 		IPADBG("%s: MODEM PWR CTRL 1\n", __func__);
+		IPA_STATS_INC_CNT(ipa_ctx->stats.a2_power_on_reqs_in);
 		grab_wakelock();
 		(void) connect_to_bam();
 		queue_work(a2_mux_ctx->a2_mux_tx_workqueue,
 			   &a2_mux_ctx->kickoff_ul_request_resource);
 	} else if (!(new_state & SMSM_A2_POWER_CONTROL)) {
 		IPADBG("%s: MODEM PWR CTRL 0\n", __func__);
+		IPA_STATS_INC_CNT(ipa_ctx->stats.a2_power_off_reqs_in);
 		(void) disconnect_to_bam();
 		release_wakelock();
 	} else {
@@ -653,6 +659,7 @@
 {
 	IPADBG("%s: 0x%08x -> 0x%08x\n", __func__, old_state,
 			new_state);
+	IPA_STATS_INC_CNT(ipa_ctx->stats.a2_power_modem_acks);
 	complete_all(&a2_mux_ctx->ul_wakeup_ack_completion);
 }
 
@@ -1492,6 +1499,7 @@
 	a2_props.options		= SPS_BAM_OPT_IRQ_WAKEUP;
 	a2_props.num_pipes		= A2_NUM_PIPES;
 	a2_props.summing_threshold	= A2_SUMMING_THRESHOLD;
+	a2_props.manage                 = SPS_BAM_MGR_DEVICE_REMOTE;
 	/* need to free on tear down */
 	rc = sps_register_bam_device(&a2_props, &h);
 	if (rc < 0) {
diff --git a/drivers/platform/msm/ipa/ipa.c b/drivers/platform/msm/ipa/ipa.c
index 5cc5d46..466e694 100644
--- a/drivers/platform/msm/ipa/ipa.c
+++ b/drivers/platform/msm/ipa/ipa.c
@@ -50,6 +50,13 @@
 #define IPA_AGGR_STR_IN_BYTES(str) \
 	(strnlen((str), IPA_AGGR_MAX_STR_LENGTH - 1) + 1)
 
+/*
+ * This equals a timer value of 162.56us. This value was
+ * determined empirically and shows good bi-directional
+ * WLAN throughputs
+ */
+#define IPA_HOLB_TMR_DEFAULT_VAL 0x7f
+
 static struct ipa_plat_drv_res ipa_res = {0, };
 static struct of_device_id ipa_plat_drv_match[] = {
 	{
@@ -73,6 +80,18 @@
 		.ab = 0,
 		.ib = 0,
 	},
+	{
+		.src = MSM_BUS_MASTER_BAM_DMA,
+		.dst = MSM_BUS_SLAVE_EBI_CH0,
+		.ab = 0,
+		.ib = 0,
+	},
+	{
+		.src = MSM_BUS_MASTER_BAM_DMA,
+		.dst = MSM_BUS_SLAVE_OCIMEM,
+		.ab = 0,
+		.ib = 0,
+	},
 };
 
 static struct msm_bus_vectors ipa_max_perf_vectors[]  = {
@@ -82,6 +101,18 @@
 		.ab = 50000000,
 		.ib = 960000000,
 	},
+	{
+		.src = MSM_BUS_MASTER_BAM_DMA,
+		.dst = MSM_BUS_SLAVE_EBI_CH0,
+		.ab = 50000000,
+		.ib = 960000000,
+	},
+	{
+		.src = MSM_BUS_MASTER_BAM_DMA,
+		.dst = MSM_BUS_SLAVE_OCIMEM,
+		.ab = 50000000,
+		.ib = 960000000,
+	},
 };
 
 static struct msm_bus_paths ipa_usecases[]  = {
@@ -901,7 +932,7 @@
 	/* LAN-WAN OUT (A5->IPA) */
 	memset(&sys_in, 0, sizeof(struct ipa_sys_connect_params));
 	sys_in.client = IPA_CLIENT_A5_LAN_WAN_PROD;
-	sys_in.desc_fifo_sz = IPA_SYS_DESC_FIFO_SZ;
+	sys_in.desc_fifo_sz = IPA_SYS_TX_DATA_DESC_FIFO_SZ;
 	sys_in.ipa_ep_cfg.mode.mode = IPA_BASIC;
 	sys_in.ipa_ep_cfg.mode.dst = IPA_CLIENT_A5_LAN_WAN_CONS;
 	if (ipa_setup_sys_pipe(&sys_in, &ipa_ctx->clnt_hdl_data_out)) {
@@ -1123,7 +1154,7 @@
 	u32 producer_hdl = 0;
 	u32 consumer_hdl = 0;
 
-	rmnet_bridge_get_client_handles(&producer_hdl, &consumer_hdl);
+	teth_bridge_get_client_handles(&producer_hdl, &consumer_hdl);
 
 	/* configure aggregation on producer */
 	memset(&agg_params, 0, sizeof(struct ipa_ep_cfg_aggr));
@@ -1460,6 +1491,41 @@
 		WARN_ON(1);
 }
 
+/**
+* ipa_inc_client_enable_clks() - Increase active clients counter, and
+* enable ipa clocks if necessary
+*
+* Return codes:
+* None
+*/
+void ipa_inc_client_enable_clks(void)
+{
+	mutex_lock(&ipa_ctx->ipa_active_clients_lock);
+	ipa_ctx->ipa_active_clients++;
+	if (ipa_ctx->ipa_active_clients == 1)
+		if (ipa_ctx->ipa_hw_mode == IPA_HW_MODE_NORMAL)
+			ipa_enable_clks();
+	mutex_unlock(&ipa_ctx->ipa_active_clients_lock);
+}
+
+/**
+* ipa_dec_client_disable_clks() - Decrease active clients counter, and
+* disable ipa clocks if necessary
+*
+* Return codes:
+* None
+*/
+void ipa_dec_client_disable_clks(void)
+{
+	mutex_lock(&ipa_ctx->ipa_active_clients_lock);
+	ipa_ctx->ipa_active_clients--;
+	if (ipa_ctx->ipa_active_clients == 0)
+		if (ipa_ctx->ipa_hw_mode == IPA_HW_MODE_NORMAL)
+			ipa_disable_clks();
+	mutex_unlock(&ipa_ctx->ipa_active_clients_lock);
+}
+
+
 static int ipa_setup_bam_cfg(const struct ipa_plat_drv_res *res)
 {
 	void *bam_cnfg_bits;
@@ -1595,6 +1661,8 @@
 		result = -ENOMEM;
 		goto fail_mem;
 	}
+	ipa_ctx->hol_en = 0x1;
+	ipa_ctx->hol_timer = IPA_HOLB_TMR_DEFAULT_VAL;
 
 	IPADBG("polling_mode=%u delay_ms=%u\n", polling_mode, polling_delay_ms);
 	ipa_ctx->polling_mode = polling_mode;
@@ -1677,6 +1745,7 @@
 	bam_props.num_pipes = IPA_NUM_PIPES;
 	bam_props.summing_threshold = IPA_SUMMING_THRESHOLD;
 	bam_props.event_threshold = IPA_EVENT_THRESHOLD;
+	bam_props.options |= SPS_BAM_NO_LOCAL_CLK_GATING;
 
 	result = sps_register_bam_device(&bam_props, &ipa_ctx->bam_handle);
 	if (result) {
@@ -1845,13 +1914,14 @@
 	ipa_ctx->flt_rule_hdl_tree = RB_ROOT;
 	ipa_ctx->tag_tree = RB_ROOT;
 
-	atomic_set(&ipa_ctx->ipa_active_clients, 0);
+	mutex_init(&ipa_ctx->ipa_active_clients_lock);
+	ipa_ctx->ipa_active_clients = 0;
 
 	result = ipa_bridge_init();
 	if (result) {
 		IPAERR("ipa bridge init err.\n");
 		result = -ENODEV;
-		goto fail_bridge_init;
+		goto fail_a5_pipes;
 	}
 
 	/* setup the A5-IPA pipes */
@@ -1972,8 +2042,6 @@
 	ipa_cleanup_rx();
 	ipa_teardown_a5_pipes();
 fail_a5_pipes:
-	ipa_bridge_cleanup();
-fail_bridge_init:
 	destroy_workqueue(ipa_ctx->tx_wq);
 fail_tx_wq:
 	destroy_workqueue(ipa_ctx->rx_wq);
diff --git a/drivers/platform/msm/ipa/ipa_bridge.c b/drivers/platform/msm/ipa/ipa_bridge.c
index dd00081..3ff604c 100644
--- a/drivers/platform/msm/ipa/ipa_bridge.c
+++ b/drivers/platform/msm/ipa/ipa_bridge.c
@@ -12,10 +12,52 @@
 
 #include <linux/delay.h>
 #include <linux/ratelimit.h>
+#include <mach/msm_smsm.h>
 #include "ipa_i.h"
 
-#define A2_EMBEDDED_PIPE_TX 4
-#define A2_EMBEDDED_PIPE_RX 5
+/*
+ * EP0 (teth)
+ * A2_BAM(1)->(12)DMA_BAM->DMA_BAM(13)->(6)IPA_BAM->IPA_BAM(10)->USB_BAM(0)
+ * A2_BAM(0)<-(15)DMA_BAM<-DMA_BAM(14)<-(7)IPA_BAM<-IPA_BAM(11)<-USB_BAM(1)
+ *
+ * EP2 (emb)
+ * A2_BAM(5)->(16)DMA_BAM->DMA_BAM(17)->(8)IPA_BAM->
+ * A2_BAM(4)<-(19)DMA_BAM<-DMA_BAM(18)<-(9)IPA_BAM<-
+ */
+
+#define A2_TETHERED_PIPE_UL      0
+#define DMA_A2_TETHERED_PIPE_UL  15
+#define DMA_IPA_TETHERED_PIPE_UL 14
+#define A2_TETHERED_PIPE_DL      1
+#define DMA_A2_TETHERED_PIPE_DL  12
+#define DMA_IPA_TETHERED_PIPE_DL 13
+
+#define A2_EMBEDDED_PIPE_UL      4
+#define DMA_A2_EMBEDDED_PIPE_UL  19
+#define DMA_IPA_EMBEDDED_PIPE_UL 18
+#define A2_EMBEDDED_PIPE_DL      5
+#define DMA_A2_EMBEDDED_PIPE_DL  16
+#define DMA_IPA_EMBEDDED_PIPE_DL 17
+
+#define IPA_SMEM_PIPE_MEM_SZ 32768
+
+#define IPA_UL_DATA_FIFO_SZ 0xc00
+#define IPA_UL_DESC_FIFO_SZ 0x530
+#define IPA_DL_DATA_FIFO_SZ 0x2400
+#define IPA_DL_DESC_FIFO_SZ 0x8a0
+
+#define IPA_SMEM_UL_DATA_FIFO_OFST 0x3dd0
+#define IPA_SMEM_UL_DESC_FIFO_OFST 0x49d0
+#define IPA_SMEM_DL_DATA_FIFO_OFST 0x4f00
+#define IPA_SMEM_DL_DESC_FIFO_OFST 0x7300
+
+#define IPA_OCIMEM_UL_DATA_FIFO_OFST 0
+#define IPA_OCIMEM_UL_DESC_FIFO_OFST (IPA_OCIMEM_UL_DATA_FIFO_OFST + \
+		IPA_UL_DATA_FIFO_SZ)
+#define IPA_OCIMEM_DL_DATA_FIFO_OFST (IPA_OCIMEM_UL_DESC_FIFO_OFST + \
+		IPA_UL_DESC_FIFO_SZ)
+#define IPA_OCIMEM_DL_DESC_FIFO_OFST (IPA_OCIMEM_DL_DATA_FIFO_OFST + \
+		IPA_DL_DATA_FIFO_SZ)
 
 enum ipa_pipe_type {
 	IPA_DL_FROM_A2,
@@ -25,678 +67,383 @@
 	IPA_PIPE_TYPE_MAX
 };
 
-static int polling_min_sleep[IPA_BRIDGE_DIR_MAX] = { 950, 950 };
-static int polling_max_sleep[IPA_BRIDGE_DIR_MAX] = { 1050, 1050 };
-static int polling_inactivity[IPA_BRIDGE_DIR_MAX] = { 4, 4 };
-
-struct ipa_pkt_info {
-	void *buffer;
-	dma_addr_t dma_address;
-	uint32_t len;
-	struct list_head link;
-};
-
 struct ipa_bridge_pipe_context {
-	struct list_head head_desc_list;
 	struct sps_pipe *pipe;
-	struct sps_connect connection;
-	struct sps_mem_buffer desc_mem_buf;
-	struct sps_register_event register_event;
-	struct list_head free_desc_list;
+	bool ipa_facing;
 	bool valid;
 };
 
 struct ipa_bridge_context {
 	struct ipa_bridge_pipe_context pipe[IPA_PIPE_TYPE_MAX];
-	struct workqueue_struct *ul_wq;
-	struct workqueue_struct *dl_wq;
-	struct work_struct ul_work;
-	struct work_struct dl_work;
 	enum ipa_bridge_type type;
 };
 
 static struct ipa_bridge_context bridge[IPA_BRIDGE_TYPE_MAX];
 
-static void ipa_do_bridge_work(enum ipa_bridge_dir dir,
-		struct ipa_bridge_context *ctx);
-
-static void ul_work_func(struct work_struct *work)
+static void ipa_get_dma_pipe_num(enum ipa_bridge_dir dir,
+		enum ipa_bridge_type type, int *a2, int *ipa)
 {
-	struct ipa_bridge_context *ctx = container_of(work,
-			struct ipa_bridge_context, ul_work);
-	ipa_do_bridge_work(IPA_BRIDGE_DIR_UL, ctx);
+	if (type == IPA_BRIDGE_TYPE_TETHERED) {
+		if (dir == IPA_BRIDGE_DIR_UL) {
+			*a2 = DMA_A2_TETHERED_PIPE_UL;
+			*ipa = DMA_IPA_TETHERED_PIPE_UL;
+		} else {
+			*a2 = DMA_A2_TETHERED_PIPE_DL;
+			*ipa = DMA_IPA_TETHERED_PIPE_DL;
+		}
+	} else {
+		if (dir == IPA_BRIDGE_DIR_UL) {
+			*a2 = DMA_A2_EMBEDDED_PIPE_UL;
+			*ipa = DMA_IPA_EMBEDDED_PIPE_UL;
+		} else {
+			*a2 = DMA_A2_EMBEDDED_PIPE_DL;
+			*ipa = DMA_IPA_EMBEDDED_PIPE_DL;
+		}
+	}
 }
 
-static void dl_work_func(struct work_struct *work)
+static int ipa_get_desc_fifo_sz(enum ipa_bridge_dir dir,
+		enum ipa_bridge_type type)
 {
-	struct ipa_bridge_context *ctx = container_of(work,
-			struct ipa_bridge_context, dl_work);
-	ipa_do_bridge_work(IPA_BRIDGE_DIR_DL, ctx);
+	int sz;
+
+	if (type == IPA_BRIDGE_TYPE_TETHERED) {
+		if (dir == IPA_BRIDGE_DIR_UL)
+			sz = IPA_UL_DESC_FIFO_SZ;
+		else
+			sz = IPA_DL_DESC_FIFO_SZ;
+	} else {
+		if (dir == IPA_BRIDGE_DIR_UL)
+			sz = IPA_UL_DESC_FIFO_SZ;
+		else
+			sz = IPA_DL_DESC_FIFO_SZ;
+	}
+
+	return sz;
 }
 
-static int ipa_switch_to_intr_mode(enum ipa_bridge_dir dir,
-				    struct ipa_bridge_context *ctx)
+static int ipa_get_data_fifo_sz(enum ipa_bridge_dir dir,
+		enum ipa_bridge_type type)
+{
+	int sz;
+
+	if (type == IPA_BRIDGE_TYPE_TETHERED) {
+		if (dir == IPA_BRIDGE_DIR_UL)
+			sz = IPA_UL_DATA_FIFO_SZ;
+		else
+			sz = IPA_DL_DATA_FIFO_SZ;
+	} else {
+		if (dir == IPA_BRIDGE_DIR_UL)
+			sz = IPA_UL_DATA_FIFO_SZ;
+		else
+			sz = IPA_DL_DATA_FIFO_SZ;
+	}
+
+	return sz;
+}
+
+static int ipa_get_a2_pipe_num(enum ipa_bridge_dir dir,
+		enum ipa_bridge_type type)
+{
+	int ep;
+
+	if (type == IPA_BRIDGE_TYPE_TETHERED) {
+		if (dir == IPA_BRIDGE_DIR_UL)
+			ep = A2_TETHERED_PIPE_UL;
+		else
+			ep = A2_TETHERED_PIPE_DL;
+	} else {
+		if (dir == IPA_BRIDGE_DIR_UL)
+			ep = A2_EMBEDDED_PIPE_UL;
+		else
+			ep = A2_EMBEDDED_PIPE_DL;
+	}
+
+	return ep;
+}
+
+int ipa_setup_a2_dma_fifos(enum ipa_bridge_dir dir,
+		enum ipa_bridge_type type,
+		struct sps_mem_buffer *desc,
+		struct sps_mem_buffer *data)
 {
 	int ret;
-	struct ipa_bridge_pipe_context *sys = &ctx->pipe[2 * dir];
 
-	ret = sps_get_config(sys->pipe, &sys->connection);
-	if (ret) {
-		IPAERR("sps_get_config() failed %d type=%d dir=%d\n",
-				ret, ctx->type, dir);
-		goto fail;
-	}
-	sys->register_event.options = SPS_O_EOT;
-	ret = sps_register_event(sys->pipe, &sys->register_event);
-	if (ret) {
-		IPAERR("sps_register_event() failed %d type=%d dir=%d\n",
-				ret, ctx->type, dir);
-		goto fail;
-	}
-	sys->connection.options =
-	   SPS_O_AUTO_ENABLE | SPS_O_ACK_TRANSFERS | SPS_O_EOT;
-	ret = sps_set_config(sys->pipe, &sys->connection);
-	if (ret) {
-		IPAERR("sps_set_config() failed %d type=%d dir=%d\n",
-				ret, ctx->type, dir);
-		goto fail;
-	}
-	ret = 0;
-fail:
-	return ret;
-}
+	if (type == IPA_BRIDGE_TYPE_EMBEDDED) {
+		if (dir == IPA_BRIDGE_DIR_UL) {
+			desc->base = ipa_ctx->smem_pipe_mem +
+				IPA_SMEM_UL_DESC_FIFO_OFST;
+			desc->phys_base = smem_virt_to_phys(desc->base);
+			desc->size = ipa_get_desc_fifo_sz(dir, type);
+			data->base = ipa_ctx->smem_pipe_mem +
+				IPA_SMEM_UL_DATA_FIFO_OFST;
+			data->phys_base = smem_virt_to_phys(data->base);
+			data->size = ipa_get_data_fifo_sz(dir, type);
+		} else {
+			desc->base = ipa_ctx->smem_pipe_mem +
+				IPA_SMEM_DL_DESC_FIFO_OFST;
+			desc->phys_base = smem_virt_to_phys(desc->base);
+			desc->size = ipa_get_desc_fifo_sz(dir, type);
+			data->base = ipa_ctx->smem_pipe_mem +
+				IPA_SMEM_DL_DATA_FIFO_OFST;
+			data->phys_base = smem_virt_to_phys(data->base);
+			data->size = ipa_get_data_fifo_sz(dir, type);
+		}
+	} else {
+		if (dir == IPA_BRIDGE_DIR_UL) {
+			ret = sps_setup_bam2bam_fifo(data,
+					IPA_OCIMEM_UL_DATA_FIFO_OFST,
+					ipa_get_data_fifo_sz(dir, type), 1);
+			if (ret) {
+				IPAERR("DAFIFO setup fail %d dir %d type %d\n",
+						ret, dir, type);
+				return ret;
+			}
 
-static int ipa_switch_to_poll_mode(enum ipa_bridge_dir dir,
-				    enum ipa_bridge_type type)
-{
-	int ret;
-	struct ipa_bridge_pipe_context *sys = &bridge[type].pipe[2 * dir];
+			ret = sps_setup_bam2bam_fifo(desc,
+					IPA_OCIMEM_UL_DESC_FIFO_OFST,
+					ipa_get_desc_fifo_sz(dir, type), 1);
+			if (ret) {
+				IPAERR("DEFIFO setup fail %d dir %d type %d\n",
+						ret, dir, type);
+				return ret;
+			}
+		} else {
+			ret = sps_setup_bam2bam_fifo(data,
+					IPA_OCIMEM_DL_DATA_FIFO_OFST,
+					ipa_get_data_fifo_sz(dir, type), 1);
+			if (ret) {
+				IPAERR("DAFIFO setup fail %d dir %d type %d\n",
+						ret, dir, type);
+				return ret;
+			}
 
-	ret = sps_get_config(sys->pipe, &sys->connection);
-	if (ret) {
-		IPAERR("sps_get_config() failed %d type=%d dir=%d\n",
-				ret, type, dir);
-		goto fail;
-	}
-	sys->connection.options =
-	   SPS_O_AUTO_ENABLE | SPS_O_ACK_TRANSFERS | SPS_O_POLL;
-	ret = sps_set_config(sys->pipe, &sys->connection);
-	if (ret) {
-		IPAERR("sps_set_config() failed %d type=%d dir=%d\n",
-				ret, type, dir);
-		goto fail;
-	}
-	ret = 0;
-fail:
-	return ret;
-}
-
-static int queue_rx_single(enum ipa_bridge_dir dir, enum ipa_bridge_type type)
-{
-	struct ipa_bridge_pipe_context *sys_rx = &bridge[type].pipe[2 * dir];
-	struct ipa_pkt_info *info;
-	int ret;
-
-	info = kmalloc(sizeof(struct ipa_pkt_info), GFP_KERNEL);
-	if (!info) {
-		IPAERR("unable to alloc rx_pkt_info type=%d dir=%d\n",
-				type, dir);
-		goto fail_pkt;
+			ret = sps_setup_bam2bam_fifo(desc,
+					IPA_OCIMEM_DL_DESC_FIFO_OFST,
+					ipa_get_desc_fifo_sz(dir, type), 1);
+			if (ret) {
+				IPAERR("DEFIFO setup fail %d dir %d type %d\n",
+						ret, dir, type);
+				return ret;
+			}
+		}
 	}
 
-	info->buffer = kmalloc(IPA_RX_SKB_SIZE, GFP_KERNEL | GFP_DMA);
-	if (!info->buffer) {
-		IPAERR("unable to alloc rx_pkt_buffer type=%d dir=%d\n",
-				type, dir);
-		goto fail_buffer;
-	}
+	IPADBG("dir=%d type=%d Dpa=%x Dsz=%u Dva=%p dpa=%x dsz=%u dva=%p\n",
+			dir, type, data->phys_base, data->size, data->base,
+			desc->phys_base, desc->size, desc->base);
 
-	info->dma_address = dma_map_single(NULL, info->buffer, IPA_RX_SKB_SIZE,
-					   DMA_BIDIRECTIONAL);
-	if (info->dma_address == 0 || info->dma_address == ~0) {
-		IPAERR("dma_map_single failure %p for %p type=%d dir=%d\n",
-				(void *)info->dma_address, info->buffer,
-				type, dir);
-		goto fail_dma;
-	}
-
-	list_add_tail(&info->link, &sys_rx->head_desc_list);
-	ret = sps_transfer_one(sys_rx->pipe, info->dma_address,
-			       IPA_RX_SKB_SIZE, info,
-			       SPS_IOVEC_FLAG_INT);
-	if (ret) {
-		list_del(&info->link);
-		dma_unmap_single(NULL, info->dma_address, IPA_RX_SKB_SIZE,
-				 DMA_BIDIRECTIONAL);
-		IPAERR("sps_transfer_one failed %d type=%d dir=%d\n", ret,
-				type, dir);
-		goto fail_dma;
-	}
 	return 0;
-
-fail_dma:
-	kfree(info->buffer);
-fail_buffer:
-	kfree(info);
-fail_pkt:
-	IPAERR("failed type=%d dir=%d\n", type, dir);
-	return -ENOMEM;
 }
 
-static int ipa_reclaim_tx(struct ipa_bridge_pipe_context *sys_tx, bool all)
-{
-	struct sps_iovec iov;
-	struct ipa_pkt_info *tx_pkt;
-	int cnt = 0;
-	int ret;
-
-	do {
-		iov.addr = 0;
-		ret = sps_get_iovec(sys_tx->pipe, &iov);
-		if (ret || iov.addr == 0) {
-			break;
-		} else {
-			tx_pkt = list_first_entry(&sys_tx->head_desc_list,
-						  struct ipa_pkt_info,
-						  link);
-			list_move_tail(&tx_pkt->link,
-					&sys_tx->free_desc_list);
-			cnt++;
-		}
-	} while (all);
-
-	return cnt;
-}
-
-static void ipa_do_bridge_work(enum ipa_bridge_dir dir,
-			       struct ipa_bridge_context *ctx)
-{
-	struct ipa_bridge_pipe_context *sys_rx = &ctx->pipe[2 * dir];
-	struct ipa_bridge_pipe_context *sys_tx = &ctx->pipe[2 * dir + 1];
-	struct ipa_pkt_info *tx_pkt;
-	struct ipa_pkt_info *rx_pkt;
-	struct ipa_pkt_info *tmp_pkt;
-	struct sps_iovec iov;
-	int ret;
-	int inactive_cycles = 0;
-
-	while (1) {
-		++inactive_cycles;
-
-		if (ipa_reclaim_tx(sys_tx, false))
-			inactive_cycles = 0;
-
-		iov.addr = 0;
-		ret = sps_get_iovec(sys_rx->pipe, &iov);
-		if (ret || iov.addr == 0) {
-			/* no-op */
-		} else {
-			inactive_cycles = 0;
-
-			rx_pkt = list_first_entry(&sys_rx->head_desc_list,
-						  struct ipa_pkt_info,
-						  link);
-			list_del(&rx_pkt->link);
-			rx_pkt->len = iov.size;
-
-retry_alloc_tx:
-			if (list_empty(&sys_tx->free_desc_list)) {
-				tmp_pkt = kmalloc(sizeof(struct ipa_pkt_info),
-						GFP_KERNEL);
-				if (!tmp_pkt) {
-					pr_debug_ratelimited("%s: unable to alloc tx_pkt_info type=%d dir=%d\n",
-					       __func__, ctx->type, dir);
-					usleep_range(polling_min_sleep[dir],
-							polling_max_sleep[dir]);
-					goto retry_alloc_tx;
-				}
-
-				tmp_pkt->buffer = kmalloc(IPA_RX_SKB_SIZE,
-						GFP_KERNEL | GFP_DMA);
-				if (!tmp_pkt->buffer) {
-					pr_debug_ratelimited("%s: unable to alloc tx_pkt_buffer type=%d dir=%d\n",
-					       __func__, ctx->type, dir);
-					kfree(tmp_pkt);
-					usleep_range(polling_min_sleep[dir],
-							polling_max_sleep[dir]);
-					goto retry_alloc_tx;
-				}
-
-				tmp_pkt->dma_address = dma_map_single(NULL,
-						tmp_pkt->buffer,
-						IPA_RX_SKB_SIZE,
-						DMA_BIDIRECTIONAL);
-				if (tmp_pkt->dma_address == 0 ||
-						tmp_pkt->dma_address == ~0) {
-					pr_debug_ratelimited("%s: dma_map_single failure %p for %p type=%d dir=%d\n",
-					       __func__,
-					       (void *)tmp_pkt->dma_address,
-					       tmp_pkt->buffer, ctx->type, dir);
-				}
-
-				list_add_tail(&tmp_pkt->link,
-						&sys_tx->free_desc_list);
-			}
-
-			tx_pkt = list_first_entry(&sys_tx->free_desc_list,
-						  struct ipa_pkt_info,
-						  link);
-			list_del(&tx_pkt->link);
-
-retry_add_rx:
-			list_add_tail(&tx_pkt->link,
-					&sys_rx->head_desc_list);
-			ret = sps_transfer_one(sys_rx->pipe,
-					tx_pkt->dma_address,
-					IPA_RX_SKB_SIZE,
-					tx_pkt,
-					SPS_IOVEC_FLAG_INT);
-			if (ret) {
-				list_del(&tx_pkt->link);
-				pr_debug_ratelimited("%s: sps_transfer_one failed %d type=%d dir=%d\n",
-						__func__, ret, ctx->type, dir);
-				usleep_range(polling_min_sleep[dir],
-						polling_max_sleep[dir]);
-				goto retry_add_rx;
-			}
-
-retry_add_tx:
-			list_add_tail(&rx_pkt->link,
-					&sys_tx->head_desc_list);
-			ret = sps_transfer_one(sys_tx->pipe,
-					       rx_pkt->dma_address,
-					       iov.size,
-					       rx_pkt,
-					       SPS_IOVEC_FLAG_INT |
-					       SPS_IOVEC_FLAG_EOT);
-			if (ret) {
-				pr_debug_ratelimited("%s: fail to add to TX type=%d dir=%d\n",
-						__func__, ctx->type, dir);
-				list_del(&rx_pkt->link);
-				ipa_reclaim_tx(sys_tx, true);
-				usleep_range(polling_min_sleep[dir],
-						polling_max_sleep[dir]);
-				goto retry_add_tx;
-			}
-			IPA_STATS_INC_BRIDGE_CNT(ctx->type, dir,
-					ipa_ctx->stats.bridged_pkts);
-		}
-
-		if (inactive_cycles >= polling_inactivity[dir]) {
-			ipa_switch_to_intr_mode(dir, ctx);
-			break;
-		}
-	}
-}
-
-static void ipa_sps_irq_rx_notify(struct sps_event_notify *notify)
-{
-	enum ipa_bridge_type type = (enum ipa_bridge_type) notify->user;
-
-	switch (notify->event_id) {
-	case SPS_EVENT_EOT:
-		ipa_switch_to_poll_mode(IPA_BRIDGE_DIR_UL, type);
-		queue_work(bridge[type].ul_wq, &bridge[type].ul_work);
-		break;
-	default:
-		IPAERR("recieved unexpected event id %d type %d\n",
-				notify->event_id, type);
-	}
-}
-
-static int setup_bridge_to_ipa(enum ipa_bridge_dir dir,
+static int setup_dma_bam_bridge(enum ipa_bridge_dir dir,
 			       enum ipa_bridge_type type,
 			       struct ipa_sys_connect_params *props,
 			       u32 *clnt_hdl)
 {
-	struct ipa_bridge_pipe_context *sys;
-	dma_addr_t dma_addr;
-	enum ipa_pipe_type pipe_type;
-	int ipa_ep_idx;
-	int ret;
-	int i;
-
-	ipa_ep_idx = ipa_get_ep_mapping(ipa_ctx->mode, props->client);
-	if (ipa_ep_idx == -1) {
-		IPAERR("Invalid client=%d mode=%d type=%d dir=%d\n",
-				props->client, ipa_ctx->mode, type, dir);
-		ret = -EINVAL;
-		goto alloc_endpoint_failed;
-	}
-
-	if (ipa_ctx->ep[ipa_ep_idx].valid) {
-		IPAERR("EP %d already allocated type=%d dir=%d\n", ipa_ep_idx,
-				type, dir);
-		ret = -EINVAL;
-		goto alloc_endpoint_failed;
-	}
-
-	pipe_type = (dir == IPA_BRIDGE_DIR_DL) ? IPA_DL_TO_IPA :
-						 IPA_UL_FROM_IPA;
-
-	sys = &bridge[type].pipe[pipe_type];
-	sys->pipe = sps_alloc_endpoint();
-	if (sys->pipe == NULL) {
-		IPAERR("alloc endpoint failed type=%d dir=%d\n", type, dir);
-		ret = -ENOMEM;
-		goto alloc_endpoint_failed;
-	}
-	ret = sps_get_config(sys->pipe, &sys->connection);
-	if (ret) {
-		IPAERR("get config failed %d type=%d dir=%d\n", ret, type, dir);
-		ret = -EINVAL;
-		goto get_config_failed;
-	}
-
-	if (dir == IPA_BRIDGE_DIR_DL) {
-		sys->connection.source = SPS_DEV_HANDLE_MEM;
-		sys->connection.src_pipe_index = ipa_ctx->a5_pipe_index++;
-		sys->connection.destination = ipa_ctx->bam_handle;
-		sys->connection.dest_pipe_index = ipa_ep_idx;
-		sys->connection.mode = SPS_MODE_DEST;
-		sys->connection.options =
-		   SPS_O_AUTO_ENABLE | SPS_O_ACK_TRANSFERS | SPS_O_POLL;
-	} else {
-		sys->connection.source = ipa_ctx->bam_handle;
-		sys->connection.src_pipe_index = ipa_ep_idx;
-		sys->connection.destination = SPS_DEV_HANDLE_MEM;
-		sys->connection.dest_pipe_index = ipa_ctx->a5_pipe_index++;
-		sys->connection.mode = SPS_MODE_SRC;
-		sys->connection.options = SPS_O_AUTO_ENABLE | SPS_O_EOT |
-		      SPS_O_ACK_TRANSFERS | SPS_O_NO_DISABLE;
-	}
-
-	sys->desc_mem_buf.size = props->desc_fifo_sz;
-	sys->desc_mem_buf.base = dma_alloc_coherent(NULL,
-						    sys->desc_mem_buf.size,
-						    &dma_addr,
-						    0);
-	if (sys->desc_mem_buf.base == NULL) {
-		IPAERR("memory alloc failed type=%d dir=%d\n", type, dir);
-		ret = -ENOMEM;
-		goto get_config_failed;
-	}
-	sys->desc_mem_buf.phys_base = dma_addr;
-	memset(sys->desc_mem_buf.base, 0x0, sys->desc_mem_buf.size);
-	sys->connection.desc = sys->desc_mem_buf;
-	sys->connection.event_thresh = IPA_EVENT_THRESHOLD;
-
-	ret = sps_connect(sys->pipe, &sys->connection);
-	if (ret < 0) {
-		IPAERR("connect error %d type=%d dir=%d\n", ret, type, dir);
-		goto connect_failed;
-	}
-
-	INIT_LIST_HEAD(&sys->head_desc_list);
-	INIT_LIST_HEAD(&sys->free_desc_list);
-
-	memset(&ipa_ctx->ep[ipa_ep_idx], 0,
-	       sizeof(struct ipa_ep_context));
-
-	ipa_ctx->ep[ipa_ep_idx].valid = 1;
-	ipa_ctx->ep[ipa_ep_idx].client_notify = props->notify;
-	ipa_ctx->ep[ipa_ep_idx].priv = props->priv;
-
-	ret = ipa_cfg_ep(ipa_ep_idx, &props->ipa_ep_cfg);
-	if (ret < 0) {
-		IPAERR("ep cfg set error %d type=%d dir=%d\n", ret, type, dir);
-		ipa_ctx->ep[ipa_ep_idx].valid = 0;
-		goto event_reg_failed;
-	}
-
-	if (dir == IPA_BRIDGE_DIR_UL) {
-		sys->register_event.options = SPS_O_EOT;
-		sys->register_event.mode = SPS_TRIGGER_CALLBACK;
-		sys->register_event.xfer_done = NULL;
-		sys->register_event.callback = ipa_sps_irq_rx_notify;
-		sys->register_event.user = (void *)type;
-		ret = sps_register_event(sys->pipe, &sys->register_event);
-		if (ret < 0) {
-			IPAERR("register event error %d type=%d dir=%d\n", ret,
-					type, dir);
-			goto event_reg_failed;
-		}
-
-		for (i = 0; i < IPA_RX_POOL_CEIL; i++) {
-			ret = queue_rx_single(dir, type);
-			if (ret < 0)
-				IPAERR("queue fail dir=%d type=%d iter=%d\n",
-				       dir, type, i);
-		}
-	}
-
-	*clnt_hdl = ipa_ep_idx;
-	sys->valid = true;
-
-	return 0;
-
-event_reg_failed:
-	sps_disconnect(sys->pipe);
-connect_failed:
-	dma_free_coherent(NULL,
-			  sys->desc_mem_buf.size,
-			  sys->desc_mem_buf.base,
-			  sys->desc_mem_buf.phys_base);
-get_config_failed:
-	sps_free_endpoint(sys->pipe);
-alloc_endpoint_failed:
-	return ret;
-}
-
-static void bam_mux_rx_notify(struct sps_event_notify *notify)
-{
-	enum ipa_bridge_type type = (enum ipa_bridge_type) notify->user;
-
-	switch (notify->event_id) {
-	case SPS_EVENT_EOT:
-		ipa_switch_to_poll_mode(IPA_BRIDGE_DIR_DL, type);
-		queue_work(bridge[type].dl_wq, &bridge[type].dl_work);
-		break;
-	default:
-		IPAERR("recieved unexpected event id %d type %d\n",
-				notify->event_id, type);
-	}
-}
-
-static int setup_bridge_to_a2(enum ipa_bridge_dir dir,
-			      enum ipa_bridge_type type,
-			      u32 desc_fifo_sz)
-{
-	struct ipa_bridge_pipe_context *sys;
-	struct a2_mux_pipe_connection pipe_conn = { 0 };
-	dma_addr_t dma_addr;
-	u32 a2_handle;
+	struct ipa_connect_params ipa_in_params;
+	struct ipa_sps_params sps_out_params;
+	int dma_a2_pipe;
+	int dma_ipa_pipe;
+	struct sps_pipe *pipe;
+	struct sps_pipe *pipe_a2;
+	struct sps_connect _connection;
+	struct sps_connect *connection = &_connection;
+	struct a2_mux_pipe_connection pipe_conn = {0};
 	enum a2_mux_pipe_direction pipe_dir;
-	enum ipa_pipe_type pipe_type;
+	u32 dma_hdl = sps_dma_get_bam_handle();
+	u32 a2_hdl;
 	u32 pa;
 	int ret;
-	int i;
+
+	memset(&ipa_in_params, 0, sizeof(ipa_in_params));
+	memset(&sps_out_params, 0, sizeof(sps_out_params));
 
 	pipe_dir = (dir == IPA_BRIDGE_DIR_UL) ? IPA_TO_A2 : A2_TO_IPA;
 
 	ret = ipa_get_a2_mux_pipe_info(pipe_dir, &pipe_conn);
 	if (ret) {
-		IPAERR("ipa_get_a2_mux_pipe_info failed type=%d dir=%d\n",
-				type, dir);
-		ret = -EINVAL;
-		goto alloc_endpoint_failed;
+		IPAERR("ipa_get_a2_mux_pipe_info failed dir=%d type=%d\n",
+				dir, type);
+		goto fail_get_a2_prop;
 	}
 
 	pa = (dir == IPA_BRIDGE_DIR_UL) ? pipe_conn.dst_phy_addr :
 					  pipe_conn.src_phy_addr;
 
-	ret = sps_phy2h(pa, &a2_handle);
+	ret = sps_phy2h(pa, &a2_hdl);
 	if (ret) {
-		IPAERR("sps_phy2h failed (A2 BAM) %d type=%d dir=%d\n",
-				ret, type, dir);
-		ret = -EINVAL;
-		goto alloc_endpoint_failed;
+		IPAERR("sps_phy2h failed (A2 BAM) %d dir=%d type=%d\n",
+				ret, dir, type);
+		goto fail_get_a2_prop;
 	}
 
-	pipe_type = (dir == IPA_BRIDGE_DIR_UL) ? IPA_UL_TO_A2 : IPA_DL_FROM_A2;
+	ipa_get_dma_pipe_num(dir, type, &dma_a2_pipe, &dma_ipa_pipe);
 
-	sys = &bridge[type].pipe[pipe_type];
-	sys->pipe = sps_alloc_endpoint();
-	if (sys->pipe == NULL) {
-		IPAERR("alloc endpoint failed type=%d dir=%d\n", type, dir);
+	ipa_in_params.ipa_ep_cfg = props->ipa_ep_cfg;
+	ipa_in_params.client = props->client;
+	ipa_in_params.client_bam_hdl = dma_hdl;
+	ipa_in_params.client_ep_idx = dma_ipa_pipe;
+	ipa_in_params.priv = props->priv;
+	ipa_in_params.notify = props->notify;
+	ipa_in_params.desc_fifo_sz = ipa_get_desc_fifo_sz(dir, type);
+	ipa_in_params.data_fifo_sz = ipa_get_data_fifo_sz(dir, type);
+
+	if (ipa_connect(&ipa_in_params, &sps_out_params, clnt_hdl)) {
+		IPAERR("ipa connect failed dir=%d type=%d\n", dir, type);
+		goto fail_get_a2_prop;
+	}
+
+	pipe = sps_alloc_endpoint();
+	if (pipe == NULL) {
+		IPAERR("sps_alloc_endpoint failed dir=%d type=%d\n", dir, type);
 		ret = -ENOMEM;
-		goto alloc_endpoint_failed;
+		goto fail_sps_alloc;
 	}
-	ret = sps_get_config(sys->pipe, &sys->connection);
+
+	memset(&_connection, 0, sizeof(_connection));
+	ret = sps_get_config(pipe, connection);
 	if (ret) {
-		IPAERR("get config failed %d type=%d dir=%d\n", ret, type, dir);
-		ret = -EINVAL;
-		goto get_config_failed;
+		IPAERR("sps_get_config failed %d dir=%d type=%d\n", ret, dir,
+				type);
+		goto fail_sps_get_config;
 	}
 
-	if (dir == IPA_BRIDGE_DIR_UL) {
-		sys->connection.source = SPS_DEV_HANDLE_MEM;
-		sys->connection.src_pipe_index = ipa_ctx->a5_pipe_index++;
-		sys->connection.destination = a2_handle;
-		if (type == IPA_BRIDGE_TYPE_TETHERED)
-			sys->connection.dest_pipe_index =
-			   pipe_conn.dst_pipe_index;
-		else
-			sys->connection.dest_pipe_index = A2_EMBEDDED_PIPE_TX;
-		sys->connection.mode = SPS_MODE_DEST;
-		sys->connection.options =
-		   SPS_O_AUTO_ENABLE | SPS_O_ACK_TRANSFERS | SPS_O_POLL;
-	} else {
-		sys->connection.source = a2_handle;
-		if (type == IPA_BRIDGE_TYPE_TETHERED)
-			sys->connection.src_pipe_index =
-			   pipe_conn.src_pipe_index;
-		else
-			sys->connection.src_pipe_index = A2_EMBEDDED_PIPE_RX;
-		sys->connection.destination = SPS_DEV_HANDLE_MEM;
-		sys->connection.dest_pipe_index = ipa_ctx->a5_pipe_index++;
-		sys->connection.mode = SPS_MODE_SRC;
-		sys->connection.options = SPS_O_AUTO_ENABLE | SPS_O_EOT |
-		      SPS_O_ACK_TRANSFERS;
-	}
-
-	sys->desc_mem_buf.size = desc_fifo_sz;
-	sys->desc_mem_buf.base = dma_alloc_coherent(NULL,
-						    sys->desc_mem_buf.size,
-						    &dma_addr,
-						    0);
-	if (sys->desc_mem_buf.base == NULL) {
-		IPAERR("memory alloc failed type=%d dir=%d\n", type, dir);
-		ret = -ENOMEM;
-		goto get_config_failed;
-	}
-	sys->desc_mem_buf.phys_base = dma_addr;
-	memset(sys->desc_mem_buf.base, 0x0, sys->desc_mem_buf.size);
-	sys->connection.desc = sys->desc_mem_buf;
-	sys->connection.event_thresh = IPA_EVENT_THRESHOLD;
-
-	ret = sps_connect(sys->pipe, &sys->connection);
-	if (ret < 0) {
-		IPAERR("connect error %d type=%d dir=%d\n", ret, type, dir);
-		ret = -EINVAL;
-		goto connect_failed;
-	}
-
-	INIT_LIST_HEAD(&sys->head_desc_list);
-	INIT_LIST_HEAD(&sys->free_desc_list);
-
 	if (dir == IPA_BRIDGE_DIR_DL) {
-		sys->register_event.options = SPS_O_EOT;
-		sys->register_event.mode = SPS_TRIGGER_CALLBACK;
-		sys->register_event.xfer_done = NULL;
-		sys->register_event.callback = bam_mux_rx_notify;
-		sys->register_event.user = (void *)type;
-		ret = sps_register_event(sys->pipe, &sys->register_event);
-		if (ret < 0) {
-			IPAERR("register event error %d type=%d dir=%d\n",
-					ret, type, dir);
-			ret = -EINVAL;
-			goto event_reg_failed;
-		}
-
-		for (i = 0; i < IPA_RX_POOL_CEIL; i++) {
-			ret = queue_rx_single(dir, type);
-			if (ret < 0)
-				IPAERR("queue fail dir=%d type=%d iter=%d\n",
-				       dir, type, i);
-		}
+		connection->mode = SPS_MODE_SRC;
+		connection->source = dma_hdl;
+		connection->destination = sps_out_params.ipa_bam_hdl;
+		connection->src_pipe_index = dma_ipa_pipe;
+		connection->dest_pipe_index = sps_out_params.ipa_ep_idx;
+	} else {
+		connection->mode = SPS_MODE_DEST;
+		connection->source = sps_out_params.ipa_bam_hdl;
+		connection->destination = dma_hdl;
+		connection->src_pipe_index = sps_out_params.ipa_ep_idx;
+		connection->dest_pipe_index = dma_ipa_pipe;
 	}
 
-	sys->valid = true;
+	connection->event_thresh = IPA_EVENT_THRESHOLD;
+	connection->data = sps_out_params.data;
+	connection->desc = sps_out_params.desc;
+	connection->options = SPS_O_AUTO_ENABLE;
+
+	ret = sps_connect(pipe, connection);
+	if (ret) {
+		IPAERR("sps_connect failed %d dir=%d type=%d\n", ret, dir,
+				type);
+		goto fail_sps_get_config;
+	}
+
+	if (dir == IPA_BRIDGE_DIR_DL) {
+		bridge[type].pipe[IPA_DL_TO_IPA].pipe = pipe;
+		bridge[type].pipe[IPA_DL_TO_IPA].ipa_facing = true;
+		bridge[type].pipe[IPA_DL_TO_IPA].valid = true;
+	} else {
+		bridge[type].pipe[IPA_UL_FROM_IPA].pipe = pipe;
+		bridge[type].pipe[IPA_UL_FROM_IPA].ipa_facing = true;
+		bridge[type].pipe[IPA_UL_FROM_IPA].valid = true;
+	}
+
+	IPADBG("dir=%d type=%d (ipa) src(0x%x:%u)->dst(0x%x:%u)\n", dir, type,
+			connection->source, connection->src_pipe_index,
+			connection->destination, connection->dest_pipe_index);
+
+	pipe_a2 = sps_alloc_endpoint();
+	if (pipe_a2 == NULL) {
+		IPAERR("sps_alloc_endpoint failed2 dir=%d type=%d\n", dir,
+				type);
+		ret = -ENOMEM;
+		goto fail_sps_alloc_a2;
+	}
+
+	memset(&_connection, 0, sizeof(_connection));
+	ret = sps_get_config(pipe_a2, connection);
+	if (ret) {
+		IPAERR("sps_get_config failed2 %d dir=%d type=%d\n", ret, dir,
+				type);
+		goto fail_sps_get_config_a2;
+	}
+
+	if (dir == IPA_BRIDGE_DIR_DL) {
+		connection->mode = SPS_MODE_DEST;
+		connection->source = a2_hdl;
+		connection->destination = dma_hdl;
+		connection->src_pipe_index = ipa_get_a2_pipe_num(dir, type);
+		connection->dest_pipe_index = dma_a2_pipe;
+	} else {
+		connection->mode = SPS_MODE_SRC;
+		connection->source = dma_hdl;
+		connection->destination = a2_hdl;
+		connection->src_pipe_index = dma_a2_pipe;
+		connection->dest_pipe_index = ipa_get_a2_pipe_num(dir, type);
+	}
+
+	connection->event_thresh = IPA_EVENT_THRESHOLD;
+
+	if (ipa_setup_a2_dma_fifos(dir, type, &connection->desc,
+				&connection->data)) {
+		IPAERR("fail to setup A2-DMA FIFOs dir=%d type=%d\n",
+				dir, type);
+		goto fail_sps_get_config_a2;
+	}
+
+	connection->options = SPS_O_AUTO_ENABLE;
+
+	ret = sps_connect(pipe_a2, connection);
+	if (ret) {
+		IPAERR("sps_connect failed2 %d dir=%d type=%d\n", ret, dir,
+				type);
+		goto fail_sps_get_config_a2;
+	}
+
+	if (dir == IPA_BRIDGE_DIR_DL) {
+		bridge[type].pipe[IPA_DL_FROM_A2].pipe = pipe_a2;
+		bridge[type].pipe[IPA_DL_FROM_A2].valid = true;
+	} else {
+		bridge[type].pipe[IPA_UL_TO_A2].pipe = pipe_a2;
+		bridge[type].pipe[IPA_UL_TO_A2].valid = true;
+	}
+
+	IPADBG("dir=%d type=%d (a2) src(0x%x:%u)->dst(0x%x:%u)\n", dir, type,
+			connection->source, connection->src_pipe_index,
+			connection->destination, connection->dest_pipe_index);
 
 	return 0;
 
-event_reg_failed:
-	sps_disconnect(sys->pipe);
-connect_failed:
-	dma_free_coherent(NULL,
-			  sys->desc_mem_buf.size,
-			  sys->desc_mem_buf.base,
-			  sys->desc_mem_buf.phys_base);
-get_config_failed:
-	sps_free_endpoint(sys->pipe);
-alloc_endpoint_failed:
+fail_sps_get_config_a2:
+	sps_free_endpoint(pipe_a2);
+fail_sps_alloc_a2:
+	sps_disconnect(pipe);
+fail_sps_get_config:
+	sps_free_endpoint(pipe);
+fail_sps_alloc:
+	ipa_disconnect(*clnt_hdl);
+fail_get_a2_prop:
 	return ret;
 }
 
 /**
- * ipa_bridge_init() - create workqueues and work items serving SW bridges
+ * ipa_bridge_init()
  *
  * Return codes: 0: success, -ENOMEM: failure
  */
 int ipa_bridge_init(void)
 {
-	int ret;
 	int i;
 
-	bridge[IPA_BRIDGE_TYPE_TETHERED].ul_wq =
-		create_singlethread_workqueue("ipa_ul_teth");
-	if (!bridge[IPA_BRIDGE_TYPE_TETHERED].ul_wq) {
-		IPAERR("ipa ul teth wq alloc failed\n");
-		ret = -ENOMEM;
-		goto fail_ul_teth;
+	ipa_ctx->smem_pipe_mem = smem_alloc(SMEM_BAM_PIPE_MEMORY,
+			IPA_SMEM_PIPE_MEM_SZ);
+	if (!ipa_ctx->smem_pipe_mem) {
+		IPAERR("smem alloc failed\n");
+		return -ENOMEM;
 	}
+	IPADBG("smem_pipe_mem = %p\n", ipa_ctx->smem_pipe_mem);
 
-	bridge[IPA_BRIDGE_TYPE_TETHERED].dl_wq =
-		create_singlethread_workqueue("ipa_dl_teth");
-	if (!bridge[IPA_BRIDGE_TYPE_TETHERED].dl_wq) {
-		IPAERR("ipa dl teth wq alloc failed\n");
-		ret = -ENOMEM;
-		goto fail_dl_teth;
-	}
-
-	bridge[IPA_BRIDGE_TYPE_EMBEDDED].ul_wq =
-		create_singlethread_workqueue("ipa_ul_emb");
-	if (!bridge[IPA_BRIDGE_TYPE_EMBEDDED].ul_wq) {
-		IPAERR("ipa ul emb wq alloc failed\n");
-		ret = -ENOMEM;
-		goto fail_ul_emb;
-	}
-
-	bridge[IPA_BRIDGE_TYPE_EMBEDDED].dl_wq =
-		create_singlethread_workqueue("ipa_dl_emb");
-	if (!bridge[IPA_BRIDGE_TYPE_EMBEDDED].dl_wq) {
-		IPAERR("ipa dl emb wq alloc failed\n");
-		ret = -ENOMEM;
-		goto fail_dl_emb;
-	}
-
-	for (i = 0; i < IPA_BRIDGE_TYPE_MAX; i++) {
-		INIT_WORK(&bridge[i].ul_work, ul_work_func);
-		INIT_WORK(&bridge[i].dl_work, dl_work_func);
+	for (i = 0; i < IPA_BRIDGE_TYPE_MAX; i++)
 		bridge[i].type = i;
-	}
 
 	return 0;
-
-fail_dl_emb:
-	destroy_workqueue(bridge[IPA_BRIDGE_TYPE_EMBEDDED].ul_wq);
-fail_ul_emb:
-	destroy_workqueue(bridge[IPA_BRIDGE_TYPE_TETHERED].dl_wq);
-fail_dl_teth:
-	destroy_workqueue(bridge[IPA_BRIDGE_TYPE_TETHERED].ul_wq);
-fail_ul_teth:
-	return ret;
 }
 
 /**
@@ -720,66 +467,29 @@
 
 	if (props == NULL || clnt_hdl == NULL ||
 	    type >= IPA_BRIDGE_TYPE_MAX || dir >= IPA_BRIDGE_DIR_MAX ||
-	    props->client >= IPA_CLIENT_MAX || props->desc_fifo_sz == 0) {
+	    props->client >= IPA_CLIENT_MAX) {
 		IPAERR("Bad param props=%p clnt_hdl=%p type=%d dir=%d\n",
 		       props, clnt_hdl, type, dir);
 		return -EINVAL;
 	}
 
-	if (atomic_inc_return(&ipa_ctx->ipa_active_clients) == 1) {
-		if (ipa_ctx->ipa_hw_mode == IPA_HW_MODE_NORMAL)
-			ipa_enable_clks();
-	}
+	ipa_inc_client_enable_clks();
 
-	if (setup_bridge_to_ipa(dir, type, props, clnt_hdl)) {
+	if (setup_dma_bam_bridge(dir, type, props, clnt_hdl)) {
 		IPAERR("fail to setup SYS pipe to IPA dir=%d type=%d\n",
 		       dir, type);
 		ret = -EINVAL;
 		goto bail_ipa;
 	}
 
-	if (setup_bridge_to_a2(dir, type, props->desc_fifo_sz)) {
-		IPAERR("fail to setup SYS pipe to A2 dir=%d type=%d\n",
-		       dir, type);
-		ret = -EINVAL;
-		goto bail_a2;
-	}
-
-
 	return 0;
 
-bail_a2:
-	ipa_bridge_teardown(dir, type, *clnt_hdl);
 bail_ipa:
-	if (atomic_dec_return(&ipa_ctx->ipa_active_clients) == 0) {
-		if (ipa_ctx->ipa_hw_mode == IPA_HW_MODE_NORMAL)
-			ipa_disable_clks();
-	}
+	ipa_dec_client_disable_clks();
 	return ret;
 }
 EXPORT_SYMBOL(ipa_bridge_setup);
 
-static void ipa_bridge_free_pkt(struct ipa_pkt_info *pkt)
-{
-	list_del(&pkt->link);
-	dma_unmap_single(NULL, pkt->dma_address, IPA_RX_SKB_SIZE,
-			 DMA_BIDIRECTIONAL);
-	kfree(pkt->buffer);
-	kfree(pkt);
-}
-
-static void ipa_bridge_free_resources(struct ipa_bridge_pipe_context *pipe)
-{
-	struct ipa_pkt_info *pkt;
-	struct ipa_pkt_info *n;
-
-	list_for_each_entry_safe(pkt, n, &pipe->head_desc_list, link)
-		ipa_bridge_free_pkt(pkt);
-
-	list_for_each_entry_safe(pkt, n, &pipe->free_desc_list, link)
-		ipa_bridge_free_pkt(pkt);
-}
-
 /**
  * ipa_bridge_teardown() - teardown SW bridge leg
  * @dir: downlink or uplink (from air interface perspective)
@@ -814,39 +524,18 @@
 	for (; lo <= hi; lo++) {
 		sys = &bridge[type].pipe[lo];
 		if (sys->valid) {
+			if (sys->ipa_facing)
+				ipa_disconnect(clnt_hdl);
 			sps_disconnect(sys->pipe);
-			dma_free_coherent(NULL, sys->desc_mem_buf.size,
-					  sys->desc_mem_buf.base,
-					  sys->desc_mem_buf.phys_base);
 			sps_free_endpoint(sys->pipe);
-			ipa_bridge_free_resources(sys);
 			sys->valid = false;
 		}
 	}
 
 	memset(&ipa_ctx->ep[clnt_hdl], 0, sizeof(struct ipa_ep_context));
 
-	if (atomic_dec_return(&ipa_ctx->ipa_active_clients) == 0) {
-		if (ipa_ctx->ipa_hw_mode == IPA_HW_MODE_NORMAL)
-			ipa_disable_clks();
-	}
+	ipa_dec_client_disable_clks();
 
 	return 0;
 }
 EXPORT_SYMBOL(ipa_bridge_teardown);
-
-/**
- * ipa_bridge_cleanup() - destroy workqueues serving the SW bridges
- *
- * Return codes:
- * None
- */
-void ipa_bridge_cleanup(void)
-{
-	int i;
-
-	for (i = 0; i < IPA_BRIDGE_TYPE_MAX; i++) {
-		destroy_workqueue(bridge[i].dl_wq);
-		destroy_workqueue(bridge[i].ul_wq);
-	}
-}
diff --git a/drivers/platform/msm/ipa/ipa_client.c b/drivers/platform/msm/ipa/ipa_client.c
index f2f80bf..a78879d 100644
--- a/drivers/platform/msm/ipa/ipa_client.c
+++ b/drivers/platform/msm/ipa/ipa_client.c
@@ -13,8 +13,6 @@
 #include <linux/delay.h>
 #include "ipa_i.h"
 
-#define IPA_HOLB_TMR_VAL 0xff
-
 static void ipa_enable_data_path(u32 clnt_hdl)
 {
 	struct ipa_ep_context *ep = &ipa_ctx->ep[clnt_hdl];
@@ -204,9 +202,7 @@
 	int result = -EFAULT;
 	struct ipa_ep_context *ep;
 
-	if (atomic_inc_return(&ipa_ctx->ipa_active_clients) == 1)
-		if (ipa_ctx->ipa_hw_mode == IPA_HW_MODE_NORMAL)
-			ipa_enable_clks();
+	ipa_inc_client_enable_clks();
 
 	if (in == NULL || sps == NULL || clnt_hdl == NULL ||
 	    in->client >= IPA_CLIENT_MAX ||
@@ -304,13 +300,13 @@
 			in->client == IPA_CLIENT_HSIC3_CONS ||
 			in->client == IPA_CLIENT_HSIC4_CONS) {
 		IPADBG("disable holb for ep=%d tmr=%d\n", ipa_ep_idx,
-			IPA_HOLB_TMR_VAL);
+			ipa_ctx->hol_timer);
 		ipa_write_reg(ipa_ctx->mmio,
 			IPA_ENDP_INIT_HOL_BLOCK_EN_n_OFST(ipa_ep_idx),
-			0x1);
+			ipa_ctx->hol_en);
 		ipa_write_reg(ipa_ctx->mmio,
 			IPA_ENDP_INIT_HOL_BLOCK_TIMER_n_OFST(ipa_ep_idx),
-			IPA_HOLB_TMR_VAL);
+			ipa_ctx->hol_timer);
 	}
 
 	IPADBG("client %d (ep: %d) connected\n", in->client, ipa_ep_idx);
@@ -342,11 +338,7 @@
 ipa_cfg_ep_fail:
 	memset(&ipa_ctx->ep[ipa_ep_idx], 0, sizeof(struct ipa_ep_context));
 fail:
-	if (atomic_dec_return(&ipa_ctx->ipa_active_clients) == 0) {
-		if (ipa_ctx->ipa_hw_mode == IPA_HW_MODE_NORMAL)
-			ipa_disable_clks();
-	}
-
+	ipa_dec_client_disable_clks();
 	return result;
 }
 EXPORT_SYMBOL(ipa_connect);
@@ -421,10 +413,7 @@
 	ipa_enable_data_path(clnt_hdl);
 	memset(&ipa_ctx->ep[clnt_hdl], 0, sizeof(struct ipa_ep_context));
 
-	if (atomic_dec_return(&ipa_ctx->ipa_active_clients) == 0) {
-		if (ipa_ctx->ipa_hw_mode == IPA_HW_MODE_NORMAL)
-			ipa_disable_clks();
-	}
+	ipa_dec_client_disable_clks();
 
 	IPADBG("client (ep: %d) disconnected\n", clnt_hdl);
 
diff --git a/drivers/platform/msm/ipa/ipa_debugfs.c b/drivers/platform/msm/ipa/ipa_debugfs.c
index 51a950d..fb69817 100644
--- a/drivers/platform/msm/ipa/ipa_debugfs.c
+++ b/drivers/platform/msm/ipa/ipa_debugfs.c
@@ -94,6 +94,8 @@
 static struct dentry *dent;
 static struct dentry *dfile_gen_reg;
 static struct dentry *dfile_ep_reg;
+static struct dentry *dfile_ep_hol_en;
+static struct dentry *dfile_ep_hol_timer;
 static struct dentry *dfile_hdr;
 static struct dentry *dfile_ip4_rt;
 static struct dentry *dfile_ip6_rt;
@@ -144,6 +146,58 @@
 	return simple_read_from_buffer(ubuf, count, ppos, dbg_buff, nbytes);
 }
 
+static ssize_t ipa_write_ep_hol_en_reg(struct file *file,
+		const char __user *buf, size_t count, loff_t *ppos)
+{
+	u32 endp_reg_val;
+	unsigned long missing;
+
+	if (sizeof(dbg_buff) < count + 1)
+		return -EFAULT;
+
+	missing = copy_from_user(dbg_buff, buf, count);
+	if (missing)
+		return -EFAULT;
+
+	dbg_buff[count] = '\0';
+	if (kstrtou32(dbg_buff, 16, &endp_reg_val))
+		return -EFAULT;
+
+	ipa_write_reg(ipa_ctx->mmio,
+		IPA_ENDP_INIT_HOL_BLOCK_EN_n_OFST(ep_reg_idx),
+		endp_reg_val);
+
+	ipa_ctx->hol_en = endp_reg_val;
+
+	return count;
+}
+
+static ssize_t ipa_write_ep_hol_timer_reg(struct file *file,
+		const char __user *buf, size_t count, loff_t *ppos)
+{
+	u32 endp_reg_val;
+	unsigned long missing;
+
+	if (sizeof(dbg_buff) < count + 1)
+		return -EFAULT;
+
+	missing = copy_from_user(dbg_buff, buf, count);
+	if (missing)
+		return -EFAULT;
+
+	dbg_buff[count] = '\0';
+	if (kstrtou32(dbg_buff, 16, &endp_reg_val))
+		return -EFAULT;
+
+	ipa_write_reg(ipa_ctx->mmio,
+		IPA_ENDP_INIT_HOL_BLOCK_TIMER_n_OFST(ep_reg_idx),
+		endp_reg_val);
+
+	ipa_ctx->hol_timer = endp_reg_val;
+
+	return count;
+}
+
 static ssize_t ipa_write_ep_reg(struct file *file, const char __user *buf,
 		size_t count, loff_t *ppos)
 {
@@ -556,15 +610,27 @@
 			"x_intr_repost=%u\n"
 			"rx_q_len=%u\n"
 			"act_clnt=%u\n"
-			"con_clnt_bmap=0x%x\n",
+			"con_clnt_bmap=0x%x\n"
+			"a2_power_on_reqs_in=%u\n"
+			"a2_power_on_reqs_out=%u\n"
+			"a2_power_off_reqs_in=%u\n"
+			"a2_power_off_reqs_out=%u\n"
+			"a2_power_modem_acks=%u\n"
+			"a2_power_apps_acks=%u\n",
 			ipa_ctx->stats.tx_sw_pkts,
 			ipa_ctx->stats.tx_hw_pkts,
 			ipa_ctx->stats.rx_pkts,
 			ipa_ctx->stats.rx_repl_repost,
 			ipa_ctx->stats.x_intr_repost,
 			ipa_ctx->stats.rx_q_len,
-			atomic_read(&ipa_ctx->ipa_active_clients),
-			connect);
+			ipa_ctx->ipa_active_clients,
+			connect,
+			ipa_ctx->stats.a2_power_on_reqs_in,
+			ipa_ctx->stats.a2_power_on_reqs_out,
+			ipa_ctx->stats.a2_power_off_reqs_in,
+			ipa_ctx->stats.a2_power_off_reqs_out,
+			ipa_ctx->stats.a2_power_modem_acks,
+			ipa_ctx->stats.a2_power_apps_acks);
 	cnt += nbytes;
 
 	for (i = 0; i < MAX_NUM_EXCP; i++) {
@@ -663,6 +729,13 @@
 	.write = ipa_write_ep_reg,
 };
 
+const struct file_operations ipa_ep_hol_en_ops = {
+	.write = ipa_write_ep_hol_en_reg,
+};
+const struct file_operations ipa_ep_hol_timer_ops = {
+	.write = ipa_write_ep_hol_timer_reg,
+};
+
 const struct file_operations ipa_hdr_ops = {
 	.read = ipa_read_hdr,
 };
@@ -695,6 +768,7 @@
 	const mode_t read_only_mode = S_IRUSR | S_IRGRP | S_IROTH;
 	const mode_t read_write_mode = S_IRUSR | S_IRGRP | S_IROTH |
 			S_IWUSR | S_IWGRP | S_IWOTH;
+	const mode_t write_only_mode = S_IWUSR | S_IWGRP | S_IWOTH;
 
 	dent = debugfs_create_dir("ipa", 0);
 	if (IS_ERR(dent)) {
@@ -716,6 +790,20 @@
 		goto fail;
 	}
 
+	dfile_ep_hol_en = debugfs_create_file("hol_en", write_only_mode, dent,
+			0, &ipa_ep_hol_en_ops);
+	if (!dfile_ep_hol_en || IS_ERR(dfile_ep_hol_en)) {
+		IPAERR("fail to create file for debug_fs dfile_ep_hol_en\n");
+		goto fail;
+	}
+
+	dfile_ep_hol_timer = debugfs_create_file("hol_timer", write_only_mode,
+			dent, 0, &ipa_ep_hol_timer_ops);
+	if (!dfile_ep_hol_timer || IS_ERR(dfile_ep_hol_timer)) {
+		IPAERR("fail to create file for debug_fs dfile_ep_hol_timer\n");
+		goto fail;
+	}
+
 	dfile_hdr = debugfs_create_file("hdr", read_only_mode, dent, 0,
 			&ipa_hdr_ops);
 	if (!dfile_hdr || IS_ERR(dfile_hdr)) {
diff --git a/drivers/platform/msm/ipa/ipa_dp.c b/drivers/platform/msm/ipa/ipa_dp.c
index 2555c6b..228c77fe 100644
--- a/drivers/platform/msm/ipa/ipa_dp.c
+++ b/drivers/platform/msm/ipa/ipa_dp.c
@@ -433,9 +433,7 @@
 	struct ipa_desc *desc;
 	int result = 0;
 
-	if (atomic_inc_return(&ipa_ctx->ipa_active_clients) == 1)
-		if (ipa_ctx->ipa_hw_mode == IPA_HW_MODE_NORMAL)
-			ipa_enable_clks();
+	ipa_inc_client_enable_clks();
 
 	if (num_desc == 1) {
 		init_completion(&descr->xfer_done);
@@ -471,9 +469,7 @@
 
 	IPA_STATS_INC_IC_CNT(num_desc, descr, ipa_ctx->stats.imm_cmds);
 bail:
-	if (atomic_dec_return(&ipa_ctx->ipa_active_clients) == 0)
-		if (ipa_ctx->ipa_hw_mode == IPA_HW_MODE_NORMAL)
-			ipa_disable_clks();
+	ipa_dec_client_disable_clks();
 	return result;
 }
 
@@ -1087,6 +1083,7 @@
 	int inactive_cycles = 0;
 	int cnt;
 
+	ipa_inc_client_enable_clks();
 	do {
 		cnt = ipa_handle_rx_core(true, true);
 		if (cnt == 0) {
@@ -1098,6 +1095,7 @@
 	} while (inactive_cycles <= POLLING_INACTIVITY);
 
 	ipa_rx_switch_to_intr_mode();
+	ipa_dec_client_disable_clks();
 }
 
 /**
diff --git a/drivers/platform/msm/ipa/ipa_flt.c b/drivers/platform/msm/ipa/ipa_flt.c
index b63b939..edb9fb1 100644
--- a/drivers/platform/msm/ipa/ipa_flt.c
+++ b/drivers/platform/msm/ipa/ipa_flt.c
@@ -368,6 +368,7 @@
 	return 0;
 proc_err:
 	dma_free_coherent(NULL, mem->size, mem->base, mem->phys_base);
+	mem->base = NULL;
 error:
 
 	return -EPERM;
@@ -456,7 +457,7 @@
 
 	if (mem->size > avail) {
 		IPAERR("tbl too big, needed %d avail %d\n", mem->size, avail);
-		goto fail_hw_tbl_gen;
+		goto fail_send_cmd;
 	}
 
 	if (ip == IPA_IP_v4) {
diff --git a/drivers/platform/msm/ipa/ipa_hdr.c b/drivers/platform/msm/ipa/ipa_hdr.c
index 7d0bc24..9618da2 100644
--- a/drivers/platform/msm/ipa/ipa_hdr.c
+++ b/drivers/platform/msm/ipa/ipa_hdr.c
@@ -89,7 +89,7 @@
 	if (ipa_ctx->hdr_tbl_lcl && mem->size > IPA_RAM_HDR_SIZE) {
 		IPAERR("tbl too big, needed %d avail %d\n", mem->size,
 				IPA_RAM_HDR_SIZE);
-		goto fail_hw_tbl_gen;
+		goto fail_send_cmd;
 	}
 
 	cmd->hdr_table_addr = mem->phys_base;
@@ -126,7 +126,7 @@
 	return 0;
 
 fail_send_cmd:
-	if (mem->phys_base)
+	if (mem->base)
 		dma_free_coherent(NULL, mem->size, mem->base, mem->phys_base);
 fail_hw_tbl_gen:
 	kfree(cmd);
diff --git a/drivers/platform/msm/ipa/ipa_i.h b/drivers/platform/msm/ipa/ipa_i.h
index cb67514..cc3e630 100644
--- a/drivers/platform/msm/ipa/ipa_i.h
+++ b/drivers/platform/msm/ipa/ipa_i.h
@@ -30,7 +30,8 @@
 #define IPA_COOKIE 0xfacefeed
 
 #define IPA_NUM_PIPES 0x14
-#define IPA_SYS_DESC_FIFO_SZ (0x800)
+#define IPA_SYS_DESC_FIFO_SZ 0x800
+#define IPA_SYS_TX_DATA_DESC_FIFO_SZ 0x1000
 
 #ifdef IPA_DEBUG
 #define IPADBG(fmt, args...) \
@@ -40,10 +41,11 @@
 #define IPADBG(fmt, args...)
 #endif
 
-#define WLAN_AMPDU_TX_EP (15)
-#define WLAN_PROD_TX_EP (19)
-#define MAX_NUM_EXCP	 (8)
-#define MAX_NUM_IMM_CMD	 (17)
+#define WLAN_AMPDU_TX_EP 15
+#define WLAN_PROD_TX_EP  19
+
+#define MAX_NUM_EXCP     8
+#define MAX_NUM_IMM_CMD 17
 
 #define IPA_STATS
 
@@ -531,6 +533,12 @@
 	u32 rx_q_len;
 	u32 msg_w[IPA_EVENT_MAX];
 	u32 msg_r[IPA_EVENT_MAX];
+	u32 a2_power_on_reqs_in;
+	u32 a2_power_on_reqs_out;
+	u32 a2_power_off_reqs_in;
+	u32 a2_power_off_reqs_out;
+	u32 a2_power_modem_acks;
+	u32 a2_power_apps_acks;
 };
 
 /**
@@ -644,7 +652,8 @@
 	struct ipa_mem_buffer empty_rt_tbl_mem;
 	struct gen_pool *pipe_mem_pool;
 	struct dma_pool *dma_pool;
-	atomic_t ipa_active_clients;
+	struct mutex ipa_active_clients_lock;
+	int ipa_active_clients;
 	u32 clnt_hdl_cmd;
 	u32 clnt_hdl_data_in;
 	u32 clnt_hdl_data_out;
@@ -658,6 +667,10 @@
 	enum ipa_hw_mode ipa_hw_mode;
 	/* featurize if memory footprint becomes a concern */
 	struct ipa_stats stats;
+	void *smem_pipe_mem;
+	/* store HOLB configuration for WLAN TX pipes */
+	u32 hol_en;
+	u32 hol_timer;
 };
 
 /**
@@ -742,7 +755,7 @@
 				struct a2_mux_pipe_connection *pipe_connect);
 int ipa_get_a2_mux_bam_info(u32 *a2_bam_mem_base, u32 *a2_bam_mem_size,
 			    u32 *a2_bam_irq);
-void rmnet_bridge_get_client_handles(u32 *producer_handle,
+void teth_bridge_get_client_handles(u32 *producer_handle,
 		u32 *consumer_handle);
 int ipa_send_one(struct ipa_sys_context *sys, struct ipa_desc *desc,
 		bool in_atomic);
@@ -795,6 +808,8 @@
 struct ipa_context *ipa_get_ctx(void);
 void ipa_enable_clks(void);
 void ipa_disable_clks(void);
+void ipa_inc_client_enable_clks(void);
+void ipa_dec_client_disable_clks(void);
 int __ipa_del_rt_rule(u32 rule_hdl);
 int __ipa_del_hdr(u32 hdr_hdl);
 int __ipa_release_hdr(u32 hdr_hdl);
diff --git a/drivers/platform/msm/ipa/ipa_rm_resource.c b/drivers/platform/msm/ipa/ipa_rm_resource.c
index 0a6771c..3615952 100644
--- a/drivers/platform/msm/ipa/ipa_rm_resource.c
+++ b/drivers/platform/msm/ipa/ipa_rm_resource.c
@@ -80,7 +80,8 @@
 	int result = 0;
 	int driver_result;
 	unsigned long flags;
-	IPADBG("IPA RM ::ipa_rm_resource_consumer_request ENTER\n");
+	IPADBG("IPA RM ::ipa_rm_resource_consumer_request %d ENTER\n",
+		consumer->resource.name);
 	spin_lock_irqsave(&consumer->resource.state_lock, flags);
 	switch (consumer->resource.state) {
 	case IPA_RM_RELEASED:
@@ -114,7 +115,8 @@
 	consumer->usage_count++;
 bail:
 	spin_unlock_irqrestore(&consumer->resource.state_lock, flags);
-	IPADBG("IPA RM ::ipa_rm_resource_consumer_request EXIT [%d]\n", result);
+	IPADBG("IPA RM ::ipa_rm_resource_consumer_request %d EXIT %d\n",
+		consumer->resource.name, result);
 	return result;
 }
 
@@ -125,7 +127,8 @@
 	int driver_result;
 	unsigned long flags;
 	enum ipa_rm_resource_state save_state;
-	IPADBG("IPA RM ::ipa_rm_resource_consumer_release ENTER\n");
+	IPADBG("IPA RM ::ipa_rm_resource_consumer_release %d ENTER\n",
+		consumer->resource.name);
 	spin_lock_irqsave(&consumer->resource.state_lock, flags);
 	switch (consumer->resource.state) {
 	case IPA_RM_RELEASED:
@@ -160,7 +163,8 @@
 	}
 bail:
 	spin_unlock_irqrestore(&consumer->resource.state_lock, flags);
-	IPADBG("IPA RM ::ipa_rm_resource_consumer_release EXIT [%d]\n", result);
+	IPADBG("IPA RM ::ipa_rm_resource_consumer_release %d EXIT %d\n",
+		consumer->resource.name, result);
 	return result;
 }
 
@@ -564,7 +568,7 @@
 	unsigned long flags;
 	struct ipa_rm_resource *consumer;
 	int consumer_result;
-	IPADBG("IPA RM ::ipa_rm_resource_producer_request [%d] ENTER\n",
+	IPADBG("IPA RM ::ipa_rm_resource_producer_request %d ENTER\n",
 			producer->resource.name);
 	if (ipa_rm_peers_list_is_empty(producer->resource.peers_list)) {
 		spin_lock_irqsave(&producer->resource.state_lock, flags);
@@ -628,7 +632,8 @@
 unlock_and_bail:
 	spin_unlock_irqrestore(&producer->resource.state_lock, flags);
 bail:
-	IPADBG("IPA RM ::ipa_rm_resource_producer_request EXIT[%d]\n", result);
+	IPADBG("IPA RM ::ipa_rm_resource_producer_request %d EXIT %d\n",
+		producer->resource.name, result);
 	return result;
 }
 
@@ -646,7 +651,8 @@
 	unsigned long flags;
 	struct ipa_rm_resource *consumer;
 	int consumer_result;
-	IPADBG("IPA RM ::ipa_rm_resource_producer_release ENTER\n");
+	IPADBG("IPA RM ::ipa_rm_resource_producer_release %d ENTER\n",
+		producer->resource.name);
 	if (ipa_rm_peers_list_is_empty(producer->resource.peers_list)) {
 		spin_lock_irqsave(&producer->resource.state_lock, flags);
 		producer->resource.state = IPA_RM_RELEASED;
@@ -702,7 +708,8 @@
 	return result;
 bail:
 	spin_unlock_irqrestore(&producer->resource.state_lock, flags);
-	IPADBG("IPA RM ::ipa_rm_resource_producer_release EXIT[%d]\n", result);
+	IPADBG("IPA RM ::ipa_rm_resource_producer_release %d EXIT %d\n",
+		producer->resource.name, result);
 	return result;
 }
 
diff --git a/drivers/platform/msm/ipa/ipa_rt.c b/drivers/platform/msm/ipa/ipa_rt.c
index fc5f668..6430c07 100644
--- a/drivers/platform/msm/ipa/ipa_rt.c
+++ b/drivers/platform/msm/ipa/ipa_rt.c
@@ -305,6 +305,7 @@
 			  rt_tbl_mem.base, rt_tbl_mem.phys_base);
 proc_err:
 	dma_free_coherent(NULL, mem->size, mem->base, mem->phys_base);
+	mem->base = NULL;
 error:
 	return -EPERM;
 }
@@ -378,7 +379,7 @@
 
 	if (mem->size > avail) {
 		IPAERR("tbl too big, needed %d avail %d\n", mem->size, avail);
-		goto fail_hw_tbl_gen;
+		goto fail_send_cmd;
 	}
 
 	if (ip == IPA_IP_v4) {
@@ -413,7 +414,7 @@
 	return 0;
 
 fail_send_cmd:
-	if (mem->phys_base)
+	if (mem->base)
 		dma_free_coherent(NULL, mem->size, mem->base, mem->phys_base);
 fail_hw_tbl_gen:
 	kfree(cmd);
diff --git a/drivers/platform/msm/ipa/rmnet_bridge.c b/drivers/platform/msm/ipa/rmnet_bridge.c
deleted file mode 100644
index 696b363..0000000
--- a/drivers/platform/msm/ipa/rmnet_bridge.c
+++ /dev/null
@@ -1,141 +0,0 @@
-/* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * 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.
- */
-
-#include <linux/export.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <mach/bam_dmux.h>
-#include <mach/ipa.h>
-#include <mach/sps.h>
-
-static struct rmnet_bridge_cb_type {
-	u32 producer_handle;
-	u32 consumer_handle;
-	u32 ipa_producer_handle;
-	u32 ipa_consumer_handle;
-	bool is_connected;
-} rmnet_bridge_cb;
-
-/**
-* rmnet_bridge_init() - Initialize RmNet bridge module
-*
-* Return codes:
-* 0: success
-*/
-int rmnet_bridge_init(void)
-{
-	memset(&rmnet_bridge_cb, 0, sizeof(struct rmnet_bridge_cb_type));
-
-	return 0;
-}
-EXPORT_SYMBOL(rmnet_bridge_init);
-
-/**
-* rmnet_bridge_disconnect() - Disconnect RmNet bridge module
-*
-* Return codes:
-* 0: success
-* -EINVAL: invalid parameters
-*/
-int rmnet_bridge_disconnect(void)
-{
-	int ret = 0;
-	if (false == rmnet_bridge_cb.is_connected) {
-		pr_err("%s: trying to disconnect already disconnected RmNet bridge\n",
-		       __func__);
-		goto bail;
-	}
-
-	rmnet_bridge_cb.is_connected = false;
-
-	ret = ipa_bridge_teardown(IPA_BRIDGE_DIR_DL, IPA_BRIDGE_TYPE_TETHERED,
-				  rmnet_bridge_cb.ipa_consumer_handle);
-	ret = ipa_bridge_teardown(IPA_BRIDGE_DIR_UL, IPA_BRIDGE_TYPE_TETHERED,
-				  rmnet_bridge_cb.ipa_producer_handle);
-bail:
-	return ret;
-}
-EXPORT_SYMBOL(rmnet_bridge_disconnect);
-
-/**
-* rmnet_bridge_connect() - Connect RmNet bridge module
-* @producer_hdl:	IPA producer handle
-* @consumer_hdl:	IPA consumer handle
-* @wwan_logical_channel_id:	WWAN logical channel ID
-*
-* Return codes:
-* 0: success
-* -EINVAL: invalid parameters
-*/
-int rmnet_bridge_connect(u32 producer_hdl,
-			 u32 consumer_hdl,
-			 int wwan_logical_channel_id)
-{
-	struct ipa_sys_connect_params props;
-	int ret = 0;
-
-	if (true == rmnet_bridge_cb.is_connected) {
-		ret = 0;
-		pr_err("%s: trying to connect already connected RmNet bridge\n",
-		       __func__);
-		goto bail;
-	}
-
-	rmnet_bridge_cb.consumer_handle = consumer_hdl;
-	rmnet_bridge_cb.producer_handle = producer_hdl;
-	rmnet_bridge_cb.is_connected = true;
-
-	memset(&props, 0, sizeof(props));
-	props.ipa_ep_cfg.mode.mode = IPA_DMA;
-	props.ipa_ep_cfg.mode.dst = IPA_CLIENT_USB_CONS;
-	props.client = IPA_CLIENT_A2_TETHERED_PROD;
-	props.desc_fifo_sz = 0x800;
-	/* setup notification callback if needed */
-
-	ret = ipa_bridge_setup(IPA_BRIDGE_DIR_DL, IPA_BRIDGE_TYPE_TETHERED,
-			&props, &rmnet_bridge_cb.ipa_consumer_handle);
-	if (ret) {
-		pr_err("%s: IPA DL bridge setup failure\n", __func__);
-		goto bail_dl;
-	}
-
-	memset(&props, 0, sizeof(props));
-	props.client = IPA_CLIENT_A2_TETHERED_CONS;
-	props.desc_fifo_sz = 0x800;
-	/* setup notification callback if needed */
-
-	ret = ipa_bridge_setup(IPA_BRIDGE_DIR_UL, IPA_BRIDGE_TYPE_TETHERED,
-			&props, &rmnet_bridge_cb.ipa_producer_handle);
-	if (ret) {
-		pr_err("%s: IPA UL bridge setup failure\n", __func__);
-		goto bail_ul;
-	}
-	return 0;
-bail_ul:
-	ipa_bridge_teardown(IPA_BRIDGE_DIR_DL, IPA_BRIDGE_TYPE_TETHERED,
-			    rmnet_bridge_cb.ipa_consumer_handle);
-bail_dl:
-	rmnet_bridge_cb.is_connected = false;
-bail:
-	return ret;
-}
-EXPORT_SYMBOL(rmnet_bridge_connect);
-
-void rmnet_bridge_get_client_handles(u32 *producer_handle,
-		u32 *consumer_handle)
-{
-	if (producer_handle == NULL || consumer_handle == NULL)
-		return;
-
-	*producer_handle = rmnet_bridge_cb.producer_handle;
-	*consumer_handle = rmnet_bridge_cb.consumer_handle;
-}
diff --git a/drivers/platform/msm/ipa/teth_bridge.c b/drivers/platform/msm/ipa/teth_bridge.c
index 5b26e41..40c8fc7 100644
--- a/drivers/platform/msm/ipa/teth_bridge.c
+++ b/drivers/platform/msm/ipa/teth_bridge.c
@@ -58,6 +58,17 @@
 #define TETH_AGGR_MAX_DATAGRAMS_DEFAULT 16
 #define TETH_AGGR_MAX_AGGR_PACKET_SIZE_DEFAULT (8*1024)
 
+#define TETH_MTU_BYTE 1500
+
+#define TETH_INACTIVITY_TIME_MSEC (1000)
+
+#define TETH_WORKQUEUE_NAME "tethering_bridge_wq"
+
+#define TETH_TOTAL_HDR_ENTRIES 6
+#define TETH_TOTAL_RT_ENTRIES_IP 3
+#define TETH_TOTAL_FLT_ENTRIES_IP 2
+#define TETH_IP_FAMILIES 2
+
 struct mac_addresses_type {
 	u8 host_pc_mac_addr[ETH_ALEN];
 	bool host_pc_mac_addr_known;
@@ -68,6 +79,7 @@
 struct stats {
 	u64 a2_to_usb_num_sw_tx_packets;
 	u64 usb_to_a2_num_sw_tx_packets;
+	u64 num_sw_tx_packets_during_resource_wakeup;
 };
 
 struct teth_bridge_ctx {
@@ -92,9 +104,24 @@
 	bool comp_hw_bridge_in_progress;
 	struct teth_aggr_capabilities *aggr_caps;
 	struct stats stats;
+	struct workqueue_struct *teth_wq;
+	u16 a2_ipa_hdr_len;
+	struct ipa_ioc_del_hdr *hdr_del;
+	struct ipa_ioc_del_rt_rule *routing_del[TETH_IP_FAMILIES];
+	struct ipa_ioc_del_flt_rule *filtering_del[TETH_IP_FAMILIES];
+};
+static struct teth_bridge_ctx *teth_ctx;
+
+enum teth_packet_direction {
+	TETH_USB_TO_A2,
+	TETH_A2_TO_USB,
 };
 
-static struct teth_bridge_ctx *teth_ctx;
+struct teth_work {
+	struct work_struct work;
+	struct sk_buff *skb;
+	enum teth_packet_direction dir;
+};
 
 #ifdef CONFIG_DEBUG_FS
 #define TETH_MAX_MSG_LEN 512
@@ -108,6 +135,7 @@
 	struct ipa_ioc_add_hdr *hdrs;
 	struct ethhdr hdr_ipv4;
 	struct ethhdr hdr_ipv6;
+	int idx1;
 
 	TETH_DBG_FUNC_ENTRY();
 	memcpy(hdr_ipv4.h_source, src_mac_addr, ETH_ALEN);
@@ -142,6 +170,13 @@
 	res = ipa_add_hdr(hdrs);
 	if (res || hdrs->hdr[0].status || hdrs->hdr[1].status)
 		TETH_ERR("Header insertion failed\n");
+
+	/* Save the headers handles in order to delete them later */
+	for (idx1 = 0; idx1 < hdrs->num_hdrs; idx1++) {
+		int idx2 = teth_ctx->hdr_del->num_hdls++;
+		teth_ctx->hdr_del->hdl[idx2].hdl = hdrs->hdr[idx1].hdr_hdl;
+	}
+
 	kfree(hdrs);
 	TETH_DBG_FUNC_EXIT();
 
@@ -167,6 +202,7 @@
 	}
 
 	hdr_cfg.hdr_len = a2_ipa_hdr_len;
+	teth_ctx->a2_ipa_hdr_len = a2_ipa_hdr_len;
 	res = ipa_cfg_ep_hdr(teth_ctx->a2_ipa_pipe_hdl, &hdr_cfg);
 	if (res) {
 		TETH_ERR("Header removal config for A2->IPA pipe failed\n");
@@ -198,6 +234,7 @@
 	int res;
 	struct ipa_ioc_add_hdr *mbim_hdr;
 	u8 mbim_stream_id = 0;
+	int idx;
 
 	TETH_DBG_FUNC_ENTRY();
 	mbim_hdr = kzalloc(sizeof(struct ipa_ioc_add_hdr) +
@@ -221,6 +258,11 @@
 	} else {
 		TETH_DBG("Added MBIM stream ID header\n");
 	}
+
+	/* Save the header handle in order to delete it later */
+	idx = teth_ctx->hdr_del->num_hdls++;
+	teth_ctx->hdr_del->hdl[idx].hdl = mbim_hdr->hdr[0].hdr_hdl;
+
 	kfree(mbim_hdr);
 	TETH_DBG_FUNC_EXIT();
 
@@ -283,14 +325,7 @@
 		TETH_ERR("Configuration of header removal/insertion failed\n");
 		goto bail;
 	}
-
-	res = ipa_commit_hdr();
-	if (res) {
-		TETH_ERR("Failed committing headers\n");
-		goto bail;
-	}
 	TETH_DBG_FUNC_EXIT();
-
 bail:
 	return res;
 }
@@ -304,6 +339,7 @@
 	struct ipa_ioc_add_rt_rule *rt_rule;
 	struct ipa_ioc_get_hdr hdr_info;
 	int res;
+	int idx;
 
 	TETH_DBG_FUNC_ENTRY();
 	/* Get the header handle */
@@ -330,6 +366,12 @@
 	res = ipa_add_rt_rule(rt_rule);
 	if (res || rt_rule->rules[0].status)
 		TETH_ERR("Failed adding routing rule\n");
+
+	/* Save the routing rule handle in order to delete it later */
+	idx = teth_ctx->routing_del[ip_address_family]->num_hdls++;
+	teth_ctx->routing_del[ip_address_family]->hdl[idx].hdl =
+		rt_rule->rules[0].rt_rule_hdl;
+
 	kfree(rt_rule);
 	TETH_DBG_FUNC_EXIT();
 
@@ -425,20 +467,7 @@
 		TETH_ERR("A2 to USB routing block configuration failed\n");
 		goto bail;
 	}
-
-	/* Commit all the changes to HW in one shot */
-	res = ipa_commit_rt(IPA_IP_v4);
-	if (res) {
-		TETH_ERR("Failed commiting IPv4 routing tables\n");
-		goto bail;
-	}
-	res = ipa_commit_rt(IPA_IP_v6);
-	if (res) {
-		TETH_ERR("Failed commiting IPv6 routing tables\n");
-		goto bail;
-	}
 	TETH_DBG_FUNC_EXIT();
-
 bail:
 	return res;
 }
@@ -450,6 +479,7 @@
 	struct ipa_ioc_add_flt_rule *flt_tbl;
 	struct ipa_ioc_get_rt_tbl rt_tbl_info;
 	int res;
+	int idx;
 
 	TETH_DBG_FUNC_ENTRY();
 	/* Get the needed routing table handle */
@@ -480,6 +510,12 @@
 	res = ipa_add_flt_rule(flt_tbl);
 	if (res || flt_tbl->rules[0].status)
 		TETH_ERR("Failed adding filtering table\n");
+
+	/* Save the filtering rule handle in order to delete it later */
+	idx = teth_ctx->filtering_del[ip_address_family]->num_hdls++;
+	teth_ctx->filtering_del[ip_address_family]->hdl[idx].hdl =
+		flt_tbl->rules[0].flt_rule_hdl;
+
 	kfree(flt_tbl);
 	TETH_DBG_FUNC_EXIT();
 
@@ -533,20 +569,7 @@
 		TETH_ERR("A2_PROD filtering configuration failed\n");
 		goto bail;
 	}
-
-	/* Commit all the changes to HW in one shot */
-	res = ipa_commit_flt(IPA_IP_v4);
-	if (res) {
-		TETH_ERR("Failed commiting IPv4 filtering tables\n");
-		goto bail;
-	}
-	res = ipa_commit_flt(IPA_IP_v6);
-	if (res) {
-		TETH_ERR("Failed commiting IPv6 filtering tables\n");
-		goto bail;
-	}
 	TETH_DBG_FUNC_EXIT();
-
 bail:
 	return res;
 }
@@ -578,8 +601,15 @@
 		return -EFAULT;
 	}
 
+	/*
+	 * Due to a HW 'feature', the maximal aggregated packet size may be the
+	 * requested aggr_byte_limit plus the MTU. Therefore, the MTU is
+	 * subtracted from the requested aggr_byte_limit so that the requested
+	 * byte limit is honored .
+	 */
 	ipa_aggr_params->aggr_byte_limit =
-		teth_aggr_params->max_transfer_size_byte / 1024;
+		(teth_aggr_params->max_transfer_size_byte - TETH_MTU_BYTE) /
+		1024;
 	ipa_aggr_params->aggr_time_limit = TETH_DEFAULT_AGGR_TIME_LIMIT;
 	TETH_DBG_FUNC_EXIT();
 
@@ -592,7 +622,6 @@
 	u32 pipe_hdl)
 {
 	struct ipa_ep_cfg_aggr agg_params;
-	struct ipa_ep_cfg_hdr hdr_params;
 	int res;
 
 	TETH_DBG_FUNC_ENTRY();
@@ -609,18 +638,7 @@
 		TETH_ERR("ipa_cfg_ep_aggr() failed\n");
 		goto bail;
 	}
-
-	if (!client_is_prod) {
-		memset(&hdr_params, 0, sizeof(hdr_params));
-		hdr_params.hdr_len = 1;
-		res = ipa_cfg_ep_hdr(pipe_hdl, &hdr_params);
-		if (res) {
-			TETH_ERR("ipa_cfg_ep_hdr() failed\n");
-			goto bail;
-		}
-	}
 	TETH_DBG_FUNC_EXIT();
-
 bail:
 	return res;
 }
@@ -651,6 +669,19 @@
 	char aggr_prot_str[20];
 
 	TETH_DBG_FUNC_ENTRY();
+	if (!teth_ctx->aggr_params_known) {
+		TETH_ERR("Aggregation parameters unknown.\n");
+		return -EINVAL;
+	}
+
+	if ((teth_ctx->usb_ipa_pipe_hdl == 0) ||
+	    (teth_ctx->ipa_usb_pipe_hdl == 0))
+		return 0;
+		/*
+		 * Returning 0 in case pipe handles are 0 becuase aggregation
+		 * params will be set later
+		 */
+
 	if (teth_ctx->aggr_params.ul.aggr_prot == TETH_AGGR_PROTOCOL_MBIM ||
 	    teth_ctx->aggr_params.dl.aggr_prot == TETH_AGGR_PROTOCOL_MBIM) {
 		res = ipa_set_aggr_mode(IPA_MBIM);
@@ -696,12 +727,26 @@
 	return res;
 }
 
+static int teth_request_resource(void)
+{
+	int res;
+
+	INIT_COMPLETION(teth_ctx->is_bridge_prod_up);
+	res = ipa_rm_inactivity_timer_request_resource(
+		IPA_RM_RESOURCE_BRIDGE_PROD);
+	if (res < 0) {
+		if (res == -EINPROGRESS)
+			wait_for_completion(&teth_ctx->is_bridge_prod_up);
+		else
+			return res;
+	}
+
+	return 0;
+}
+
 static void complete_hw_bridge(struct work_struct *work)
 {
 	int res;
-	static DEFINE_MUTEX(f_lock);
-
-	mutex_lock(&f_lock);
 
 	TETH_DBG_FUNC_ENTRY();
 	TETH_DBG("Completing HW bridge in %s mode\n",
@@ -709,20 +754,15 @@
 		 "ETHERNET" :
 		 "IP");
 
-	res = teth_set_aggregation();
+	res = teth_request_resource();
 	if (res) {
-		TETH_ERR("Failed setting aggregation params\n");
+		TETH_ERR("request_resource() failed.\n");
 		goto bail;
 	}
 
-	/*
-	 * Reset the Header, Routing and Filtering blocks.
-	 * Resetting the Header block will also reset the other blocks.
-	 * This reset is not comitted to HW.
-	 */
-	res = ipa_reset_hdr();
+	res = teth_set_aggregation();
 	if (res) {
-		TETH_ERR("Failed resetting IPA\n");
+		TETH_ERR("Failed setting aggregation params\n");
 		goto bail;
 	}
 
@@ -744,10 +784,20 @@
 		goto bail;
 	}
 
+	/*
+	 * Commit all the data to HW, including header, routing and filtering
+	 * blocks, IPv4 and IPv6
+	 */
+	res = ipa_commit_hdr();
+	if (res) {
+		TETH_ERR("Failed committing headers / routing / filtering.\n");
+		goto bail;
+	}
+
 	teth_ctx->is_hw_bridge_complete = true;
-	teth_ctx->comp_hw_bridge_in_progress = false;
 bail:
-	mutex_unlock(&f_lock);
+	teth_ctx->comp_hw_bridge_in_progress = false;
+	ipa_rm_inactivity_timer_release_resource(IPA_RM_RESOURCE_BRIDGE_PROD);
 	TETH_DBG_FUNC_EXIT();
 
 	return;
@@ -787,10 +837,78 @@
 	    (teth_ctx->aggr_params_known)) {
 		INIT_WORK(&teth_ctx->comp_hw_bridge_work, complete_hw_bridge);
 		teth_ctx->comp_hw_bridge_in_progress = true;
-		schedule_work(&teth_ctx->comp_hw_bridge_work);
+		queue_work(teth_ctx->teth_wq, &teth_ctx->comp_hw_bridge_work);
 	}
 }
 
+static void teth_send_skb_work(struct work_struct *work)
+{
+	struct teth_work *work_data =
+		container_of(work, struct teth_work, work);
+	int res;
+
+	res = teth_request_resource();
+	if (res) {
+		TETH_ERR("Packet send failure, dropping packet !\n");
+		goto bail;
+	}
+
+	switch (work_data->dir) {
+	case TETH_USB_TO_A2:
+		res = a2_mux_write(A2_MUX_TETHERED_0, work_data->skb);
+		if (res) {
+			TETH_ERR("Packet send failure, dropping packet !\n");
+			goto bail;
+		}
+		teth_ctx->stats.usb_to_a2_num_sw_tx_packets++;
+		break;
+
+	case TETH_A2_TO_USB:
+		res = ipa_tx_dp(IPA_CLIENT_USB_CONS, work_data->skb, NULL);
+		if (res) {
+			TETH_ERR("Packet send failure, dropping packet !\n");
+			goto bail;
+		}
+		teth_ctx->stats.a2_to_usb_num_sw_tx_packets++;
+		break;
+
+	default:
+		TETH_ERR("Unsupported direction to send !\n");
+		WARN_ON(1);
+	}
+	ipa_rm_inactivity_timer_release_resource(IPA_RM_RESOURCE_BRIDGE_PROD);
+	kfree(work_data);
+	teth_ctx->stats.num_sw_tx_packets_during_resource_wakeup++;
+
+	return;
+bail:
+	ipa_rm_inactivity_timer_release_resource(IPA_RM_RESOURCE_BRIDGE_PROD);
+	dev_kfree_skb(work_data->skb);
+	kfree(work_data);
+}
+
+static void defer_skb_send(struct sk_buff *skb, enum teth_packet_direction dir)
+{
+	struct teth_work *work = kmalloc(sizeof(struct teth_work), GFP_KERNEL);
+
+	if (!work) {
+		TETH_ERR("No mem, dropping packet\n");
+		dev_kfree_skb(skb);
+		ipa_rm_inactivity_timer_release_resource
+			(IPA_RM_RESOURCE_BRIDGE_PROD);
+		return;
+	}
+
+	/*
+	 * Since IPA uses a single Rx thread, we don't
+	 * want to wait for completion here
+	 */
+	INIT_WORK(&work->work, teth_send_skb_work);
+	work->dir = dir;
+	work->skb = skb;
+	queue_work(teth_ctx->teth_wq, &work->work);
+}
+
 static void usb_notify_cb(void *priv,
 			  enum ipa_dp_evt_type evt,
 			  unsigned long data)
@@ -807,13 +925,36 @@
 				&teth_ctx->mac_addresses.host_pc_mac_addr_known,
 				&teth_ctx->mac_addresses.device_mac_addr_known);
 
-		/* Send the packet to A2, using a2_service driver API */
-		teth_ctx->stats.usb_to_a2_num_sw_tx_packets++;
+		/*
+		 * Request the BRIDGE_PROD resource, send the packet and release
+		 * the resource
+		 */
+		res = ipa_rm_inactivity_timer_request_resource(
+			IPA_RM_RESOURCE_BRIDGE_PROD);
+		if (res < 0) {
+			if (res == -EINPROGRESS) {
+				/* The resource is waking up */
+				defer_skb_send(skb, TETH_USB_TO_A2);
+			} else {
+				TETH_ERR(
+					"Packet send failure, dropping packet !\n");
+				dev_kfree_skb(skb);
+			}
+			ipa_rm_inactivity_timer_release_resource(
+				IPA_RM_RESOURCE_BRIDGE_PROD);
+			return;
+		}
 		res = a2_mux_write(A2_MUX_TETHERED_0, skb);
 		if (res) {
 			TETH_ERR("Packet send failure, dropping packet !\n");
 			dev_kfree_skb(skb);
+			ipa_rm_inactivity_timer_release_resource(
+				IPA_RM_RESOURCE_BRIDGE_PROD);
+			return;
 		}
+		teth_ctx->stats.usb_to_a2_num_sw_tx_packets++;
+		ipa_rm_inactivity_timer_release_resource(
+			IPA_RM_RESOURCE_BRIDGE_PROD);
 		break;
 
 	case IPA_WRITE_DONE:
@@ -845,13 +986,37 @@
 				&teth_ctx->
 				mac_addresses.host_pc_mac_addr_known);
 
-		/* Send the packet to USB */
-		teth_ctx->stats.a2_to_usb_num_sw_tx_packets++;
+		/*
+		 * Request the BRIDGE_PROD resource, send the packet and release
+		 * the resource
+		 */
+		res = ipa_rm_inactivity_timer_request_resource(
+			IPA_RM_RESOURCE_BRIDGE_PROD);
+		if (res < 0) {
+			if (res == -EINPROGRESS) {
+				/* The resource is waking up */
+				defer_skb_send(skb, TETH_A2_TO_USB);
+			} else {
+				TETH_ERR(
+					"Packet send failure, dropping packet !\n");
+				dev_kfree_skb(skb);
+			}
+			ipa_rm_inactivity_timer_release_resource(
+				IPA_RM_RESOURCE_BRIDGE_PROD);
+			return;
+		}
+
 		res = ipa_tx_dp(IPA_CLIENT_USB_CONS, skb, NULL);
 		if (res) {
 			TETH_ERR("Packet send failure, dropping packet !\n");
 			dev_kfree_skb(skb);
+			ipa_rm_inactivity_timer_release_resource(
+				IPA_RM_RESOURCE_BRIDGE_PROD);
+			return;
 		}
+		teth_ctx->stats.a2_to_usb_num_sw_tx_packets++;
+		ipa_rm_inactivity_timer_release_resource(
+			IPA_RM_RESOURCE_BRIDGE_PROD);
 		break;
 
 	case A2_MUX_WRITE_DONE:
@@ -870,8 +1035,28 @@
 				  enum ipa_rm_event event,
 				  unsigned long data)
 {
+	int res;
+	struct ipa_ep_cfg ipa_ep_cfg;
+
 	switch (event) {
 	case IPA_RM_RESOURCE_GRANTED:
+		res = a2_mux_get_tethered_client_handles(
+			A2_MUX_TETHERED_0,
+			&teth_ctx->ipa_a2_pipe_hdl,
+			&teth_ctx->a2_ipa_pipe_hdl);
+		if (res) {
+			TETH_ERR(
+				"a2_mux_get_tethered_client_handles() failed, res = %d\n",
+				res);
+			return;
+		}
+
+		/* Reset the various endpoints configuration */
+		memset(&ipa_ep_cfg, 0, sizeof(ipa_ep_cfg));
+		ipa_cfg_ep(teth_ctx->ipa_a2_pipe_hdl, &ipa_ep_cfg);
+
+		ipa_ep_cfg.hdr.hdr_len = teth_ctx->a2_ipa_hdr_len;
+		ipa_cfg_ep(teth_ctx->a2_ipa_pipe_hdl, &ipa_ep_cfg);
 		complete(&teth_ctx->is_bridge_prod_up);
 		break;
 
@@ -915,32 +1100,34 @@
 	/* Build IPA Resource manager dependency graph */
 	res = ipa_rm_add_dependency(IPA_RM_RESOURCE_BRIDGE_PROD,
 				    IPA_RM_RESOURCE_USB_CONS);
-	if (res && res != -EEXIST) {
+	if (res && res != -EINPROGRESS) {
 		TETH_ERR("ipa_rm_add_dependency() failed\n");
 		goto bail;
 	}
 
 	res = ipa_rm_add_dependency(IPA_RM_RESOURCE_BRIDGE_PROD,
 				    IPA_RM_RESOURCE_A2_CONS);
-	if (res && res != -EEXIST) {
+	if (res && res != -EINPROGRESS) {
 		TETH_ERR("ipa_rm_add_dependency() failed\n");
 		goto fail_add_dependency_1;
 	}
 
 	res = ipa_rm_add_dependency(IPA_RM_RESOURCE_USB_PROD,
 				    IPA_RM_RESOURCE_A2_CONS);
-	if (res && res != -EEXIST) {
+	if (res && res != -EINPROGRESS) {
 		TETH_ERR("ipa_rm_add_dependency() failed\n");
 		goto fail_add_dependency_2;
 	}
 
 	res = ipa_rm_add_dependency(IPA_RM_RESOURCE_A2_PROD,
 				    IPA_RM_RESOURCE_USB_CONS);
-	if (res && res != -EEXIST) {
+	if (res && res != -EINPROGRESS) {
 		TETH_ERR("ipa_rm_add_dependency() failed\n");
 		goto fail_add_dependency_3;
 	}
 
+	/* Return 0 as EINPROGRESS is a valid return value at this point */
+	res = 0;
 	goto bail;
 
 fail_add_dependency_3:
@@ -958,6 +1145,57 @@
 }
 EXPORT_SYMBOL(teth_bridge_init);
 
+static void initialize_context(void)
+{
+	TETH_DBG_FUNC_ENTRY();
+	/* Initialize context variables */
+	teth_ctx->usb_ipa_pipe_hdl = 0;
+	teth_ctx->ipa_a2_pipe_hdl = 0;
+	teth_ctx->a2_ipa_pipe_hdl = 0;
+	teth_ctx->ipa_usb_pipe_hdl = 0;
+	teth_ctx->is_connected = false;
+
+	/* The default link protocol is Ethernet */
+	teth_ctx->link_protocol = TETH_LINK_PROTOCOL_ETHERNET;
+
+	memset(&teth_ctx->mac_addresses, 0, sizeof(teth_ctx->mac_addresses));
+	teth_ctx->is_hw_bridge_complete = false;
+	memset(&teth_ctx->aggr_params, 0, sizeof(teth_ctx->aggr_params));
+	teth_ctx->aggr_params_known = false;
+	teth_ctx->tethering_mode = 0;
+	INIT_COMPLETION(teth_ctx->is_bridge_prod_up);
+	INIT_COMPLETION(teth_ctx->is_bridge_prod_down);
+	teth_ctx->comp_hw_bridge_in_progress = false;
+	memset(&teth_ctx->stats, 0, sizeof(teth_ctx->stats));
+	teth_ctx->a2_ipa_hdr_len = 0;
+	memset(teth_ctx->hdr_del,
+	       0,
+	       sizeof(struct ipa_ioc_del_hdr) + TETH_TOTAL_HDR_ENTRIES *
+	       sizeof(struct ipa_hdr_del));
+	memset(teth_ctx->routing_del[IPA_IP_v4],
+	       0,
+	       sizeof(struct ipa_ioc_del_rt_rule) +
+	       TETH_TOTAL_RT_ENTRIES_IP * sizeof(struct ipa_rt_rule_del));
+	teth_ctx->routing_del[IPA_IP_v4]->ip = IPA_IP_v4;
+	memset(teth_ctx->routing_del[IPA_IP_v6],
+	       0,
+	       sizeof(struct ipa_ioc_del_rt_rule) +
+	       TETH_TOTAL_RT_ENTRIES_IP * sizeof(struct ipa_rt_rule_del));
+	teth_ctx->routing_del[IPA_IP_v6]->ip = IPA_IP_v6;
+	memset(teth_ctx->filtering_del[IPA_IP_v4],
+	       0,
+	       sizeof(struct ipa_ioc_del_flt_rule) +
+	       TETH_TOTAL_FLT_ENTRIES_IP * sizeof(struct ipa_flt_rule_del));
+	teth_ctx->filtering_del[IPA_IP_v4]->ip = IPA_IP_v4;
+	memset(teth_ctx->filtering_del[IPA_IP_v6],
+	       0,
+	       sizeof(struct ipa_ioc_del_flt_rule) +
+	       TETH_TOTAL_FLT_ENTRIES_IP * sizeof(struct ipa_flt_rule_del));
+	teth_ctx->filtering_del[IPA_IP_v6]->ip = IPA_IP_v6;
+
+	TETH_DBG_FUNC_EXIT();
+}
+
 /**
 * teth_bridge_disconnect() - Disconnect tethering bridge module
 *
@@ -967,38 +1205,82 @@
 */
 int teth_bridge_disconnect(void)
 {
-	int res = -EPERM;
+	int res;
 
 	TETH_DBG_FUNC_ENTRY();
 	if (!teth_ctx->is_connected) {
 		TETH_ERR(
-		"Trying to disconnect an already disconnected bridge\n");
+			"Trying to disconnect an already disconnected bridge\n");
+		goto bail;
+	}
+
+	/* Request the BRIDGE_PROD resource */
+	res = teth_request_resource();
+	if (res) {
+		TETH_ERR("request_resource() failed.\n");
 		goto bail;
 	}
 
 	teth_ctx->is_connected = false;
 
-	res = ipa_rm_release_resource(IPA_RM_RESOURCE_BRIDGE_PROD);
-	if (res == -EINPROGRESS)
-		wait_for_completion(&teth_ctx->is_bridge_prod_down);
+	/* Close the channel to A2 */
+	if (a2_mux_close_channel(A2_MUX_TETHERED_0))
+		TETH_ERR("a2_mux_close_channel() failed\n");
 
-	/* Initialize statistics */
-	memset(&teth_ctx->stats, 0, sizeof(teth_ctx->stats));
+	if (teth_ctx->is_hw_bridge_complete) {
+		/* Delete header entries */
+		if (ipa_del_hdr(teth_ctx->hdr_del))
+			TETH_ERR("ipa_del_hdr() failed\n");
+
+		/* Delete installed routing rules */
+		if (ipa_del_rt_rule(teth_ctx->routing_del[IPA_IP_v4]))
+			TETH_ERR("ipa_del_rt_rule() failed\n");
+		if (ipa_del_rt_rule(teth_ctx->routing_del[IPA_IP_v6]))
+			TETH_ERR("ipa_del_rt_rule() failed\n");
+
+		/* Delete installed filtering rules */
+		if (ipa_del_flt_rule(teth_ctx->filtering_del[IPA_IP_v4]))
+			TETH_ERR("ipa_del_flt_rule() failed\n");
+		if (ipa_del_flt_rule(teth_ctx->filtering_del[IPA_IP_v6]))
+			TETH_ERR("ipa_del_flt_rule() failed\n");
+
+		/*
+		 * Commit all the data to HW, including header, routing and
+		 * filtering blocks, IPv4 and IPv6
+		 */
+		if (ipa_commit_hdr())
+			TETH_ERR("Failed committing headers\n");
+	}
+
+	initialize_context();
+
+	ipa_rm_inactivity_timer_release_resource(IPA_RM_RESOURCE_BRIDGE_PROD);
 
 	/* Delete IPA Resource manager dependency graph */
 	res = ipa_rm_delete_dependency(IPA_RM_RESOURCE_BRIDGE_PROD,
 				       IPA_RM_RESOURCE_USB_CONS);
-	res |= ipa_rm_delete_dependency(IPA_RM_RESOURCE_BRIDGE_PROD,
-					IPA_RM_RESOURCE_A2_CONS);
-	res |= ipa_rm_delete_dependency(IPA_RM_RESOURCE_USB_PROD,
-					IPA_RM_RESOURCE_A2_CONS);
-	res |= ipa_rm_delete_dependency(IPA_RM_RESOURCE_A2_PROD,
-					IPA_RM_RESOURCE_USB_CONS);
-	if (res)
-		TETH_ERR("Failed deleting ipa_rm dependency.\n");
+	if ((res != 0) && (res != -EINPROGRESS))
+		TETH_ERR(
+			"Failed deleting ipa_rm dependency BRIDGE_PROD <-> USB_CONS\n");
+	res = ipa_rm_delete_dependency(IPA_RM_RESOURCE_BRIDGE_PROD,
+				       IPA_RM_RESOURCE_A2_CONS);
+	if ((res != 0) && (res != -EINPROGRESS))
+		TETH_ERR(
+			"Failed deleting ipa_rm dependency BRIDGE_PROD <-> A2_CONS\n");
+	res = ipa_rm_delete_dependency(IPA_RM_RESOURCE_USB_PROD,
+				       IPA_RM_RESOURCE_A2_CONS);
+	if ((res != 0) && (res != -EINPROGRESS))
+		TETH_ERR(
+			"Failed deleting ipa_rm dependency USB_PROD <-> A2_CONS\n");
+	res = ipa_rm_delete_dependency(IPA_RM_RESOURCE_A2_PROD,
+				       IPA_RM_RESOURCE_USB_CONS);
+	if ((res != 0) && (res != -EINPROGRESS))
+		TETH_ERR(
+			"Failed deleting ipa_rm dependency A2_PROD <-> USB_CONS\n");
 bail:
 	TETH_DBG_FUNC_EXIT();
-	return res;
+
+	return 0;
 }
 EXPORT_SYMBOL(teth_bridge_disconnect);
 
@@ -1032,12 +1314,10 @@
 	teth_ctx->usb_ipa_pipe_hdl = connect_params->usb_ipa_pipe_hdl;
 	teth_ctx->tethering_mode = connect_params->tethering_mode;
 
-	res = ipa_rm_request_resource(IPA_RM_RESOURCE_BRIDGE_PROD);
-	if (res < 0) {
-		if (res == -EINPROGRESS)
-			wait_for_completion(&teth_ctx->is_bridge_prod_up);
-		else
-			goto bail;
+	res = teth_request_resource();
+	if (res) {
+		TETH_ERR("request_resource() failed.\n");
+		goto bail;
 	}
 
 	res = a2_mux_open_channel(A2_MUX_TETHERED_0,
@@ -1068,10 +1348,28 @@
 
 	if (teth_ctx->tethering_mode == TETH_TETHERING_MODE_MBIM)
 		teth_ctx->link_protocol = TETH_LINK_PROTOCOL_IP;
-	TETH_DBG_FUNC_EXIT();
+
+	if (teth_ctx->aggr_params_known) {
+		res = teth_set_aggregation();
+		if (res) {
+			TETH_ERR("Failed setting aggregation params\n");
+			goto bail;
+		}
+	}
+
+	/* In case of IP link protocol, complete HW bridge */
+	if ((teth_ctx->link_protocol == TETH_LINK_PROTOCOL_IP) &&
+	    (!teth_ctx->comp_hw_bridge_in_progress) &&
+	    (teth_ctx->aggr_params_known) &&
+	    (!teth_ctx->is_hw_bridge_complete)) {
+		INIT_WORK(&teth_ctx->comp_hw_bridge_work, complete_hw_bridge);
+		teth_ctx->comp_hw_bridge_in_progress = true;
+		queue_work(teth_ctx->teth_wq, &teth_ctx->comp_hw_bridge_work);
+	}
 bail:
-	if (res)
-		ipa_rm_release_resource(IPA_RM_RESOURCE_BRIDGE_PROD);
+	ipa_rm_inactivity_timer_release_resource(IPA_RM_RESOURCE_BRIDGE_PROD);
+	TETH_DBG_FUNC_EXIT();
+
 	return res;
 }
 EXPORT_SYMBOL(teth_bridge_connect);
@@ -1097,11 +1395,33 @@
 {
 	int res;
 
+	TETH_DBG_FUNC_ENTRY();
 	if (!aggr_params) {
 		TETH_ERR("Invalid parameter\n");
 		return -EINVAL;
 	}
 
+	/*
+	 * In case the requested max transfer size is larger than 8K, set it to
+	 * to the default 8K
+	 */
+	if (aggr_params->dl.max_transfer_size_byte >
+	    TETH_AGGR_MAX_AGGR_PACKET_SIZE_DEFAULT)
+		aggr_params->dl.max_transfer_size_byte =
+			TETH_AGGR_MAX_AGGR_PACKET_SIZE_DEFAULT;
+	if (aggr_params->ul.max_transfer_size_byte >
+	    TETH_AGGR_MAX_AGGR_PACKET_SIZE_DEFAULT)
+		aggr_params->ul.max_transfer_size_byte =
+			TETH_AGGR_MAX_AGGR_PACKET_SIZE_DEFAULT;
+
+	/* Ethernet link protocol and MBIM aggregation is not supported */
+	if (teth_ctx->link_protocol == TETH_LINK_PROTOCOL_ETHERNET &&
+	    (aggr_params->dl.aggr_prot == TETH_AGGR_PROTOCOL_MBIM ||
+	     aggr_params->ul.aggr_prot == TETH_AGGR_PROTOCOL_MBIM)) {
+		TETH_ERR("Ethernet with MBIM is not supported.\n");
+		return -EINVAL;
+	}
+
 	memcpy(&teth_ctx->aggr_params,
 	       aggr_params,
 	       sizeof(struct teth_aggr_params));
@@ -1110,10 +1430,9 @@
 
 	teth_ctx->aggr_params_known = true;
 	res = teth_set_aggregation();
-	if (res) {
+	if (res)
 		TETH_ERR("Failed setting aggregation params\n");
-		res = -EFAULT;
-	}
+	TETH_DBG_FUNC_EXIT();
 
 	return res;
 }
@@ -1153,6 +1472,19 @@
 		}
 
 		res = teth_bridge_set_aggr_params(&aggr_params);
+		if (res)
+			break;
+
+		/* In case of IP link protocol, complete HW bridge */
+		if ((teth_ctx->link_protocol == TETH_LINK_PROTOCOL_IP) &&
+		    (!teth_ctx->comp_hw_bridge_in_progress) &&
+		    (!teth_ctx->is_hw_bridge_complete)) {
+			INIT_WORK(&teth_ctx->comp_hw_bridge_work,
+				  complete_hw_bridge);
+			teth_ctx->comp_hw_bridge_in_progress = true;
+			queue_work(teth_ctx->teth_wq,
+				   &teth_ctx->comp_hw_bridge_work);
+		}
 		break;
 
 	case TETH_BRIDGE_IOC_GET_AGGR_PARAMS:
@@ -1208,7 +1540,7 @@
 	return res;
 }
 
-static void set_aggr_capabilities(void)
+static int set_aggr_capabilities(void)
 {
 	u16 NUM_PROTOCOLS = 2;
 
@@ -1216,9 +1548,9 @@
 				      NUM_PROTOCOLS *
 				      sizeof(struct teth_aggr_params_link),
 				      GFP_KERNEL);
-	if (teth_ctx->aggr_caps == NULL) {
+	if (!teth_ctx->aggr_caps) {
 		TETH_ERR("Memory alloc failed for aggregation capabilities.\n");
-		return;
+		return -ENOMEM;
 	}
 
 	teth_ctx->aggr_caps->num_protocols = NUM_PROTOCOLS;
@@ -1228,8 +1560,15 @@
 
 	teth_ctx->aggr_caps->prot_caps[1].aggr_prot = TETH_AGGR_PROTOCOL_TLP;
 	set_aggr_default_params(&teth_ctx->aggr_caps->prot_caps[1]);
+
+	return 0;
 }
 
+/**
+* teth_bridge_get_client_handles() - Get USB <--> IPA pipe handles
+* @producer_handle:	USB --> IPA pipe handle
+* @consumer_handle:	IPA --> USB pipe handle
+*/
 void teth_bridge_get_client_handles(u32 *producer_handle,
 		u32 *consumer_handle)
 {
@@ -1397,6 +1736,11 @@
 			    TETH_MAX_MSG_LEN - nbytes,
 			   "A2 to USB SW Tx packets: %lld\n",
 			    teth_ctx->stats.a2_to_usb_num_sw_tx_packets);
+	nbytes += scnprintf(
+		&dbg_buff[nbytes],
+		TETH_MAX_MSG_LEN - nbytes,
+		"SW Tx packets sent during resource wakeup: %lld\n",
+		teth_ctx->stats.num_sw_tx_packets_during_resource_wakeup);
 	return simple_read_from_buffer(ubuf, count, ppos, dbg_buff, nbytes);
 }
 
@@ -1523,7 +1867,59 @@
 		return -ENOMEM;
 	}
 
-	set_aggr_capabilities();
+	res = set_aggr_capabilities();
+	if (res) {
+		TETH_ERR("kzalloc err.\n");
+		goto fail_alloc_aggr_caps;
+	}
+
+	res = -ENOMEM;
+	teth_ctx->hdr_del = kzalloc(sizeof(struct ipa_ioc_del_hdr) +
+				    TETH_TOTAL_HDR_ENTRIES *
+				    sizeof(struct ipa_hdr_del),
+				    GFP_KERNEL);
+	if (!teth_ctx->hdr_del) {
+		TETH_ERR("kzalloc err.\n");
+		goto fail_alloc_hdr_del;
+	}
+
+	teth_ctx->routing_del[IPA_IP_v4] =
+		kzalloc(sizeof(struct ipa_ioc_del_rt_rule) +
+			TETH_TOTAL_RT_ENTRIES_IP *
+			sizeof(struct ipa_rt_rule_del),
+			GFP_KERNEL);
+	if (!teth_ctx->routing_del[IPA_IP_v4]) {
+		TETH_ERR("kzalloc err.\n");
+		goto fail_alloc_routing_del_ipv4;
+	}
+	teth_ctx->routing_del[IPA_IP_v6] =
+		kzalloc(sizeof(struct ipa_ioc_del_rt_rule) +
+			TETH_TOTAL_RT_ENTRIES_IP *
+			sizeof(struct ipa_rt_rule_del),
+			GFP_KERNEL);
+	if (!teth_ctx->routing_del[IPA_IP_v6]) {
+		TETH_ERR("kzalloc err.\n");
+		goto fail_alloc_routing_del_ipv6;
+	}
+
+	teth_ctx->filtering_del[IPA_IP_v4] =
+		kzalloc(sizeof(struct ipa_ioc_del_flt_rule) +
+			TETH_TOTAL_FLT_ENTRIES_IP *
+			sizeof(struct ipa_flt_rule_del),
+			GFP_KERNEL);
+	if (!teth_ctx->filtering_del[IPA_IP_v4]) {
+		TETH_ERR("kzalloc err.\n");
+		goto fail_alloc_filtering_del_ipv4;
+	}
+	teth_ctx->filtering_del[IPA_IP_v6] =
+		kzalloc(sizeof(struct ipa_ioc_del_flt_rule) +
+			TETH_TOTAL_FLT_ENTRIES_IP *
+			sizeof(struct ipa_flt_rule_del),
+			GFP_KERNEL);
+	if (!teth_ctx->filtering_del[IPA_IP_v6]) {
+		TETH_ERR("kzalloc err.\n");
+		goto fail_alloc_filtering_del_ipv6;
+	}
 
 	teth_ctx->class = class_create(THIS_MODULE, TETH_BRIDGE_DRV_NAME);
 
@@ -1554,8 +1950,6 @@
 		goto fail_cdev_add;
 	}
 
-	teth_ctx->comp_hw_bridge_in_progress = false;
-
 	teth_debugfs_init();
 
 	/* Create BRIDGE_PROD entity in IPA Resource Manager */
@@ -1570,9 +1964,21 @@
 	init_completion(&teth_ctx->is_bridge_prod_up);
 	init_completion(&teth_ctx->is_bridge_prod_down);
 
-	/* The default link protocol is Ethernet */
-	teth_ctx->link_protocol = TETH_LINK_PROTOCOL_ETHERNET;
+	res = ipa_rm_inactivity_timer_init(IPA_RM_RESOURCE_BRIDGE_PROD,
+					   TETH_INACTIVITY_TIME_MSEC);
+	if (res) {
+		TETH_ERR("ipa_rm_inactivity_timer_init() failed, res=%d\n",
+			 res);
+		goto fail_cdev_add;
+	}
 
+	teth_ctx->teth_wq = create_workqueue(TETH_WORKQUEUE_NAME);
+	if (!teth_ctx->teth_wq) {
+		TETH_ERR("workqueue creation failed\n");
+		goto fail_cdev_add;
+	}
+
+	initialize_context();
 	TETH_DBG("Tethering bridge driver init OK\n");
 
 	return 0;
@@ -1581,7 +1987,18 @@
 fail_device_create:
 	unregister_chrdev_region(teth_ctx->dev_num, 1);
 fail_alloc_chrdev_region:
+	kfree(teth_ctx->filtering_del[IPA_IP_v6]);
+fail_alloc_filtering_del_ipv6:
+	kfree(teth_ctx->filtering_del[IPA_IP_v4]);
+fail_alloc_filtering_del_ipv4:
+	kfree(teth_ctx->routing_del[IPA_IP_v6]);
+fail_alloc_routing_del_ipv6:
+	kfree(teth_ctx->routing_del[IPA_IP_v4]);
+fail_alloc_routing_del_ipv4:
+	kfree(teth_ctx->hdr_del);
+fail_alloc_hdr_del:
 	kfree(teth_ctx->aggr_caps);
+fail_alloc_aggr_caps:
 	kfree(teth_ctx);
 	teth_ctx = NULL;
 
diff --git a/drivers/power/battery_current_limit.c b/drivers/power/battery_current_limit.c
index ecda153..69fa4a8 100644
--- a/drivers/power/battery_current_limit.c
+++ b/drivers/power/battery_current_limit.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2012, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -120,8 +120,10 @@
 
 	if (psy == NULL) {
 		psy = power_supply_get_by_name("battery");
-		if (psy == NULL)
+		if (psy == NULL) {
+			pr_err("failed to get ps battery\n");
 			return;
+		}
 	}
 
 	if (psy->get_property(psy, POWER_SUPPLY_PROP_CURRENT_NOW, &ret))
@@ -143,6 +145,7 @@
 	gbcl->bcl_imax_ma = imax_ma;
 	gbcl->bcl_vbat_mv = vbatt_mv;
 
+	pr_debug("ibatt %d, imax %d, vbatt %d\n", ibatt_ma, imax_ma, vbatt_mv);
 	if (gbcl->bcl_threshold_mode[BCL_IBAT_IMAX_THRESHOLD_TYPE_HIGH]
 		== BCL_IBAT_IMAX_THRESHOLD_ENABLED) {
 		imax_high_threshold =
@@ -179,8 +182,7 @@
 		bcl_calculate_imax_trigger();
 		/* restart the delay work for caculating imax */
 		schedule_delayed_work(&bcl->bcl_imax_work,
-			round_jiffies_relative(msecs_to_jiffies
-				(bcl->bcl_poll_interval_msec)));
+			msecs_to_jiffies(bcl->bcl_poll_interval_msec));
 	}
 }
 
diff --git a/drivers/power/bq28400_battery.c b/drivers/power/bq28400_battery.c
index beab4e2..79ed2b1 100644
--- a/drivers/power/bq28400_battery.c
+++ b/drivers/power/bq28400_battery.c
@@ -164,6 +164,9 @@
 	u16	subcmd;
 };
 
+static int fake_battery = -EINVAL;
+module_param(fake_battery, int, 0644);
+
 #define BQ28400_DEBUG_REG(x) {#x, SBS_##x, 0}
 #define BQ28400_DEBUG_SUBREG(x, y) {#y, SBS_##x, SUBCMD_##y}
 
@@ -403,6 +406,11 @@
 {
 	int percentage = 0;
 
+	if (fake_battery != -EINVAL) {
+		pr_debug("Reporting Fake SOC = %d\n", fake_battery);
+		return fake_battery;
+	}
+
 	/* This register is only 1 byte */
 	percentage = i2c_smbus_read_byte_data(client, SBS_RSOC);
 
diff --git a/drivers/power/pm8921-charger.c b/drivers/power/pm8921-charger.c
index 459ab1d..1ad7f21 100644
--- a/drivers/power/pm8921-charger.c
+++ b/drivers/power/pm8921-charger.c
@@ -83,6 +83,7 @@
 #define CHG_COMP_OVR		0x20A
 #define IUSB_FINE_RES		0x2B6
 #define OVP_USB_UVD		0x2B7
+#define PM8921_USB_TRIM_SEL	0x339
 
 /* check EOC every 10 seconds */
 #define EOC_CHECK_PERIOD_MS	10000
@@ -213,6 +214,8 @@
  * @alarm_high_mv:		the battery alarm voltage high
  * @cool_temp_dc:		the cool temp threshold in deciCelcius
  * @warm_temp_dc:		the warm temp threshold in deciCelcius
+ * @hysteresis_temp_dc:		the hysteresis between temp thresholds in
+ *				deciCelcius
  * @resume_voltage_delta:	the voltage delta from vdd max at which the
  *				battery should resume charging
  * @term_current:		The charging based term current
@@ -235,6 +238,7 @@
 	unsigned int			alarm_high_mv;
 	int				cool_temp_dc;
 	int				warm_temp_dc;
+	int				hysteresis_temp_dc;
 	unsigned int			temp_check_period;
 	unsigned int			cool_bat_chg_current;
 	unsigned int			warm_bat_chg_current;
@@ -308,6 +312,7 @@
 static int thermal_mitigation;
 
 static struct pm8921_chg_chip *the_chip;
+static void check_temp_thresholds(struct pm8921_chg_chip *chip);
 
 #define LPM_ENABLE_BIT	BIT(2)
 static int pm8921_chg_set_lpm(struct pm8921_chg_chip *chip, int enable)
@@ -773,6 +778,44 @@
 };
 
 /* USB Trim tables */
+static int usb_trim_pm8921_table_1[USB_TRIM_ENTRIES] = {
+	0x0,
+	0x0,
+	-0x5,
+	0x0,
+	-0x7,
+	0x0,
+	-0x9,
+	-0xA,
+	0x0,
+	0x0,
+	-0xE,
+	0x0,
+	-0xF,
+	0x0,
+	-0x10,
+	0x0
+};
+
+static int usb_trim_pm8921_table_2[USB_TRIM_ENTRIES] = {
+	0x0,
+	0x0,
+	-0x2,
+	0x0,
+	-0x4,
+	0x0,
+	-0x4,
+	-0x5,
+	0x0,
+	0x0,
+	-0x6,
+	0x0,
+	-0x6,
+	0x0,
+	-0x6,
+	0x0
+};
+
 static int usb_trim_8038_table[USB_TRIM_ENTRIES] = {
 	0x0,
 	0x0,
@@ -840,6 +883,8 @@
 #define REG_USB_OVP_TRIM_ORIG_MSB	0x09C
 #define REG_USB_OVP_TRIM_PM8917		0x2B5
 #define REG_USB_OVP_TRIM_PM8917_BIT	BIT(0)
+#define USB_TRIM_MAX_DATA_PM8917	0x3F
+#define USB_TRIM_POLARITY_PM8917_BIT	BIT(6)
 static int pm_chg_usb_trim(struct pm8921_chg_chip *chip, int index)
 {
 	u8 temp, sbi_config, msb, lsb, mask;
@@ -3162,6 +3207,22 @@
 	struct delayed_work *dwork = to_delayed_work(work);
 	struct pm8921_chg_chip *chip = container_of(dwork,
 				struct pm8921_chg_chip, update_heartbeat_work);
+	bool chg_present = chip->usb_present || chip->dc_present;
+
+	/* for battery health when charger is not connected */
+	if (chip->btc_override && !chg_present)
+		schedule_delayed_work(&chip->btc_override_work,
+			round_jiffies_relative(msecs_to_jiffies
+					(chip->btc_delay_ms)));
+
+	/*
+	 * check temp thresholds when charger is present and
+	 * and battery is FULL. The temperature here can impact
+	 * the charging restart conditions.
+	 */
+	if (chip->btc_override && chg_present &&
+				!wake_lock_active(&chip->eoc_wake_lock))
+		check_temp_thresholds(chip);
 
 	power_supply_changed(&chip->batt_psy);
 	if (chip->recent_reported_soc <= 20)
@@ -3317,7 +3378,7 @@
 
 	if (chip->warm_temp_dc != INT_MIN) {
 		if (chip->is_bat_warm
-			&& temp < chip->warm_temp_dc - TEMP_HYSTERISIS_DECIDEGC)
+			&& temp < chip->warm_temp_dc - chip->hysteresis_temp_dc)
 			battery_warm(false);
 		else if (!chip->is_bat_warm && temp >= chip->warm_temp_dc)
 			battery_warm(true);
@@ -3325,7 +3386,7 @@
 
 	if (chip->cool_temp_dc != INT_MIN) {
 		if (chip->is_bat_cool
-			&& temp > chip->cool_temp_dc + TEMP_HYSTERISIS_DECIDEGC)
+			&& temp > chip->cool_temp_dc + chip->hysteresis_temp_dc)
 			battery_cool(false);
 		else if (!chip->is_bat_cool && temp <= chip->cool_temp_dc)
 			battery_cool(true);
@@ -3543,7 +3604,8 @@
 
 	temp = pm_chg_get_rt_status(chip, BATTTEMP_HOT_IRQ);
 	if (temp) {
-		if (decidegc < chip->btc_override_hot_decidegc)
+		if (decidegc < chip->btc_override_hot_decidegc -
+				chip->hysteresis_temp_dc)
 			/* stop forcing batt hot */
 			rc = pm_chg_override_hot(chip, 0);
 			if (rc)
@@ -3558,7 +3620,8 @@
 
 	temp = pm_chg_get_rt_status(chip, BATTTEMP_COLD_IRQ);
 	if (temp) {
-		if (decidegc > chip->btc_override_cold_decidegc)
+		if (decidegc > chip->btc_override_cold_decidegc +
+				chip->hysteresis_temp_dc)
 			/* stop forcing batt cold */
 			rc = pm_chg_override_cold(chip, 0);
 			if (rc)
@@ -3622,7 +3685,8 @@
 
 	end = is_charging_finished(chip, vbat_batt_terminal_uv, ichg_meas_ma);
 
-	if (end == CHG_NOT_IN_PROGRESS) {
+	if (end == CHG_NOT_IN_PROGRESS && (!chip->btc_override ||
+		!(chip->usb_present || chip->dc_present))) {
 		count = 0;
 		goto eoc_worker_stop;
 	}
@@ -3650,7 +3714,8 @@
 		chgdone_irq_handler(chip->pmic_chg_irq[CHGDONE_IRQ], chip);
 	} else {
 		check_temp_thresholds(chip);
-		adjust_vdd_max_for_fastchg(chip, vbat_batt_terminal_uv);
+		if (end != CHG_NOT_IN_PROGRESS)
+			adjust_vdd_max_for_fastchg(chip, vbat_batt_terminal_uv);
 		pr_debug("EOC count = %d\n", count);
 		schedule_delayed_work(&chip->eoc_work,
 			      round_jiffies_relative(msecs_to_jiffies
@@ -3659,9 +3724,9 @@
 	}
 
 eoc_worker_stop:
-	wake_unlock(&chip->eoc_wake_lock);
 	/* set the vbatdet back, in case it was changed to trigger charging */
 	set_appropriate_vbatdet(chip);
+	wake_unlock(&chip->eoc_wake_lock);
 }
 
 /**
@@ -3781,11 +3846,14 @@
 		}
 }
 
+#define PM8921_USB_TRIM_SEL_BIT		BIT(6)
 /* determines the initial present states */
 static void __devinit determine_initial_state(struct pm8921_chg_chip *chip)
 {
 	int fsm_state;
 	int is_fast_chg;
+	int rc = 0;
+	u8 trim_sel_reg = 0, regsbi;
 
 	chip->dc_present = !!is_dc_chg_plugged_in(chip);
 	chip->usb_present = !!is_usb_chg_plugged_in(chip);
@@ -3795,6 +3863,11 @@
 		schedule_delayed_work(&chip->unplug_check_work,
 			msecs_to_jiffies(UNPLUG_CHECK_WAIT_PERIOD_MS));
 		pm8921_chg_enable_irq(chip, CHG_GONE_IRQ);
+
+		if (chip->btc_override)
+			schedule_delayed_work(&chip->btc_override_work,
+					round_jiffies_relative(msecs_to_jiffies
+						(chip->btc_delay_ms)));
 	}
 
 	pm8921_chg_enable_irq(chip, DCIN_VALID_IRQ);
@@ -3843,10 +3916,26 @@
 			fsm_state);
 
 	/* Determine which USB trim column to use */
-	if (pm8xxx_get_version(chip->dev->parent) == PM8XXX_VERSION_8917)
+	if (pm8xxx_get_version(chip->dev->parent) == PM8XXX_VERSION_8917) {
 		chip->usb_trim_table = usb_trim_8917_table;
-	else if (pm8xxx_get_version(chip->dev->parent) == PM8XXX_VERSION_8038)
+	} else if (pm8xxx_get_version(chip->dev->parent) ==
+						PM8XXX_VERSION_8038) {
 		chip->usb_trim_table = usb_trim_8038_table;
+	} else if (pm8xxx_get_version(chip->dev->parent) ==
+						PM8XXX_VERSION_8921) {
+		rc = pm8xxx_readb(chip->dev->parent, REG_SBI_CONFIG, &regsbi);
+		rc |= pm8xxx_writeb(chip->dev->parent, REG_SBI_CONFIG, 0x5E);
+		rc |= pm8xxx_readb(chip->dev->parent, PM8921_USB_TRIM_SEL,
+								&trim_sel_reg);
+		rc |= pm8xxx_writeb(chip->dev->parent, REG_SBI_CONFIG, regsbi);
+		if (rc)
+			pr_err("Failed to read trim sel register rc=%d\n", rc);
+
+		if (trim_sel_reg & PM8921_USB_TRIM_SEL_BIT)
+			chip->usb_trim_table = usb_trim_pm8921_table_1;
+		else
+			chip->usb_trim_table = usb_trim_pm8921_table_2;
+	}
 }
 
 struct pm_chg_irq_init_data {
@@ -4600,6 +4689,8 @@
 					is_usb_chg_plugged_in(the_chip)))
 		schedule_delayed_work(&chip->btc_override_work, 0);
 
+	schedule_delayed_work(&chip->update_heartbeat_work, 0);
+
 	return 0;
 }
 
@@ -4607,6 +4698,8 @@
 {
 	struct pm8921_chg_chip *chip = dev_get_drvdata(dev);
 
+	cancel_delayed_work_sync(&chip->update_heartbeat_work);
+
 	if (chip->btc_override)
 		cancel_delayed_work_sync(&chip->btc_override_work);
 
@@ -4663,6 +4756,11 @@
 	else
 		chip->warm_temp_dc = INT_MIN;
 
+	if (pdata->hysteresis_temp)
+		chip->hysteresis_temp_dc = pdata->hysteresis_temp * 10;
+	else
+		chip->hysteresis_temp_dc = TEMP_HYSTERISIS_DECIDEGC;
+
 	chip->temp_check_period = pdata->temp_check_period;
 	chip->max_bat_chg_current = pdata->max_bat_chg_current;
 	/* Assign to corresponding module parameter */
diff --git a/drivers/power/qpnp-charger.c b/drivers/power/qpnp-charger.c
index da0a5b6..6a2ce8d 100644
--- a/drivers/power/qpnp-charger.c
+++ b/drivers/power/qpnp-charger.c
@@ -85,7 +85,11 @@
 #define CHGR_BUCK_BCK_VBAT_REG_MODE		0x74
 #define MISC_REVISION2				0x01
 #define USB_OVP_CTL				0x42
+#define USB_CHG_GONE_REV_BST			0xED
+#define BUCK_VCHG_OV				0x77
+#define BUCK_TEST_SMBC_MODES			0xE6
 #define SEC_ACCESS				0xD0
+#define BAT_IF_VREF_BAT_THM_CTRL		0x4A
 
 #define REG_OFFSET_PERP_SUBTYPE			0x05
 /* SMBB peripheral subtype values */
@@ -120,6 +124,8 @@
 #define CHGR_ON_BAT_FORCE_BIT		BIT(0)
 #define USB_VALID_DEB_20MS		0x03
 #define BUCK_VBAT_REG_NODE_SEL_BIT	BIT(0)
+#define VREF_BATT_THERM_FORCE_ON	0xC0
+#define VREF_BAT_THM_ENABLED_FSM	0x80
 
 /* Interrupt definitions */
 /* smbb_chg_interrupts */
@@ -232,6 +238,7 @@
 	u16				freq_base;
 	unsigned int			usbin_valid_irq;
 	unsigned int			dcin_valid_irq;
+	unsigned int			chg_gone_irq;
 	unsigned int			chg_fastchg_irq;
 	unsigned int			chg_trklchg_irq;
 	unsigned int			chg_failed_irq;
@@ -272,6 +279,7 @@
 	uint32_t			flags;
 	struct qpnp_adc_tm_btm_param	adc_param;
 	struct work_struct		adc_measure_work;
+	struct delayed_work		arb_stop_work;
 };
 
 static struct of_device_id qpnp_charger_match_table[] = {
@@ -524,7 +532,41 @@
 			enable ? USB_SUSPEND_BIT : 0, 1);
 }
 
-static void qpnp_bat_if_adc_measure_work(struct work_struct *work)
+static int
+qpnp_chg_charge_en(struct qpnp_chg_chip *chip, int enable)
+{
+	return qpnp_chg_masked_write(chip, chip->chgr_base + CHGR_CHG_CTRL,
+			CHGR_CHG_EN,
+			enable ? CHGR_CHG_EN : 0, 1);
+}
+
+static int
+qpnp_chg_force_run_on_batt(struct qpnp_chg_chip *chip, int disable)
+{
+	/* Don't run on battery for batteryless hardware */
+	if (chip->use_default_batt_values)
+		return 0;
+
+	/* This bit forces the charger to run off of the battery rather
+	 * than a connected charger */
+	return qpnp_chg_masked_write(chip, chip->chgr_base + CHGR_CHG_CTRL,
+			CHGR_ON_BAT_FORCE_BIT,
+			disable ? CHGR_ON_BAT_FORCE_BIT : 0, 1);
+}
+
+static void
+qpnp_arb_stop_work(struct work_struct *work)
+{
+	struct delayed_work *dwork = to_delayed_work(work);
+	struct qpnp_chg_chip *chip = container_of(dwork,
+				struct qpnp_chg_chip, arb_stop_work);
+
+	qpnp_chg_charge_en(chip, !chip->charging_disabled);
+	qpnp_chg_force_run_on_batt(chip, chip->charging_disabled);
+}
+
+static void
+qpnp_bat_if_adc_measure_work(struct work_struct *work)
 {
 	struct qpnp_chg_chip *chip = container_of(work,
 				struct qpnp_chg_chip, adc_measure_work);
@@ -533,6 +575,23 @@
 		pr_err("request ADC error\n");
 }
 
+#define ARB_STOP_WORK_MS	1000
+static irqreturn_t
+qpnp_chg_usb_chg_gone_irq_handler(int irq, void *_chip)
+{
+	struct qpnp_chg_chip *chip = _chip;
+
+	pr_debug("chg_gone triggered\n");
+	if (qpnp_chg_is_usb_chg_plugged_in(chip)) {
+		qpnp_chg_charge_en(chip, 0);
+		qpnp_chg_force_run_on_batt(chip, chip->charging_disabled);
+		schedule_delayed_work(&chip->arb_stop_work,
+			msecs_to_jiffies(ARB_STOP_WORK_MS));
+	}
+
+	return IRQ_HANDLED;
+}
+
 #define ENUM_T_STOP_BIT		BIT(0)
 static irqreturn_t
 qpnp_chg_usb_usbin_valid_irq_handler(int irq, void *_chip)
@@ -552,7 +611,8 @@
 	if (chip->usb_present ^ usb_present) {
 		chip->usb_present = usb_present;
 		if (!usb_present)
-			qpnp_chg_iusbmax_set(chip, QPNP_CHG_I_MAX_MIN_100);
+			qpnp_chg_usb_suspend_enable(chip, 1);
+
 		power_supply_set_present(chip->usb_psy,
 			chip->usb_present);
 	}
@@ -661,28 +721,6 @@
 }
 
 static int
-qpnp_chg_charge_en(struct qpnp_chg_chip *chip, int enable)
-{
-	return qpnp_chg_masked_write(chip, chip->chgr_base + CHGR_CHG_CTRL,
-			CHGR_CHG_EN,
-			enable ? CHGR_CHG_EN : 0, 1);
-}
-
-static int
-qpnp_chg_force_run_on_batt(struct qpnp_chg_chip *chip, int disable)
-{
-	/* Don't run on battery for batteryless hardware */
-	if (chip->use_default_batt_values)
-		return 0;
-
-	/* This bit forces the charger to run off of the battery rather
-	 * than a connected charger */
-	return qpnp_chg_masked_write(chip, chip->chgr_base + CHGR_CHG_CTRL,
-			CHGR_ON_BAT_FORCE_BIT,
-			disable ? CHGR_ON_BAT_FORCE_BIT : 0, 1);
-}
-
-static int
 qpnp_chg_buck_control(struct qpnp_chg_chip *chip, int enable)
 {
 	int rc;
@@ -1059,8 +1097,8 @@
 			  POWER_SUPPLY_PROP_CURRENT_MAX, &ret);
 		if (ret.intval <= 2 && !chip->use_default_batt_values &&
 						get_prop_batt_present(chip)) {
-			qpnp_chg_iusbmax_set(chip, QPNP_CHG_I_MAX_MIN_100);
 			qpnp_chg_usb_suspend_enable(chip, 1);
+			qpnp_chg_iusbmax_set(chip, QPNP_CHG_I_MAX_MIN_100);
 		} else {
 			qpnp_chg_usb_suspend_enable(chip, 0);
 			qpnp_chg_iusbmax_set(chip, ret.intval / 1000);
@@ -1383,6 +1421,7 @@
 
 	if (state == ADC_TM_WARM_STATE) {
 		if (temp > chip->warm_bat_decidegc) {
+			/* Normal to warm */
 			bat_warm = true;
 			bat_cool = false;
 			chip->adc_param.low_temp =
@@ -1391,6 +1430,7 @@
 				ADC_TM_COOL_THR_ENABLE;
 		} else if (temp >
 				chip->cool_bat_decidegc + HYSTERISIS_DECIDEGC){
+			/* Cool to normal */
 			bat_warm = false;
 			bat_cool = false;
 
@@ -1401,14 +1441,16 @@
 		}
 	} else {
 		if (temp < chip->cool_bat_decidegc) {
+			/* Normal to cool */
 			bat_warm = false;
 			bat_cool = true;
 			chip->adc_param.high_temp =
 				chip->cool_bat_decidegc + HYSTERISIS_DECIDEGC;
 			chip->adc_param.state_request =
 				ADC_TM_WARM_THR_ENABLE;
-		} else if (temp >
+		} else if (temp <
 				chip->warm_bat_decidegc - HYSTERISIS_DECIDEGC){
+			/* Warm to normal */
 			bat_warm = false;
 			bat_cool = false;
 
@@ -1592,7 +1634,24 @@
 						chip->usbin_valid_irq, rc);
 				return rc;
 			}
+
+			chip->chg_gone_irq = spmi_get_irq_byname(spmi,
+						spmi_resource, "chg-gone");
+			if (chip->chg_gone_irq < 0) {
+				pr_err("Unable to get chg-gone irq\n");
+				return rc;
+			}
+			rc = devm_request_irq(chip->dev, chip->chg_gone_irq,
+				qpnp_chg_usb_chg_gone_irq_handler,
+				IRQF_TRIGGER_RISING,
+					"chg_gone_irq", chip);
+			if (rc < 0) {
+				pr_err("Can't request %d chg_gone: %d\n",
+						chip->chg_gone_irq, rc);
+				return rc;
+			}
 			enable_irq_wake(chip->usbin_valid_irq);
+			enable_irq_wake(chip->chg_gone_irq);
 			break;
 		case SMBB_DC_CHGPTH_SUBTYPE:
 			chip->dcin_valid_irq = spmi_get_irq_byname(spmi,
@@ -1679,10 +1738,10 @@
 		rc = qpnp_chg_masked_write(chip, chip->chgr_base + 0x62,
 			0xFF, 0xA0, 1);
 
-		/* HACK: use digital EOC */
+		/* HACK: use analog EOC */
 		rc = qpnp_chg_masked_write(chip, chip->chgr_base +
 			CHGR_IBAT_TERM_CHGR,
-			0x88, 0x80, 1);
+			0x80, 0x00, 1);
 
 		break;
 	case SMBB_BUCK_SUBTYPE:
@@ -1700,6 +1759,15 @@
 	case SMBB_BAT_IF_SUBTYPE:
 	case SMBBP_BAT_IF_SUBTYPE:
 	case SMBCL_BAT_IF_SUBTYPE:
+		/* Force on VREF_BAT_THM */
+		rc = qpnp_chg_masked_write(chip,
+			chip->bat_if_base + BAT_IF_VREF_BAT_THM_CTRL,
+			VREF_BATT_THERM_FORCE_ON,
+			VREF_BATT_THERM_FORCE_ON, 1);
+		if (rc) {
+			pr_debug("failed to force on VREF_BAT_THM rc=%d\n", rc);
+			return rc;
+		}
 		break;
 	case SMBB_USB_CHGPTH_SUBTYPE:
 	case SMBBP_USB_CHGPTH_SUBTYPE:
@@ -1726,6 +1794,16 @@
 			ENUM_T_STOP_BIT,
 			ENUM_T_STOP_BIT, 1);
 
+		rc = qpnp_chg_masked_write(chip,
+			chip->usb_chgpth_base + SEC_ACCESS,
+			0xFF,
+			0xA5, 1);
+
+		rc = qpnp_chg_masked_write(chip,
+			chip->usb_chgpth_base + USB_CHG_GONE_REV_BST,
+			0xFF,
+			0x80, 1);
+
 		break;
 	case SMBB_DC_CHGPTH_SUBTYPE:
 		break;
@@ -1927,6 +2005,27 @@
 						subtype, rc);
 				goto fail_chg_enable;
 			}
+
+			rc = qpnp_chg_masked_write(chip,
+				chip->buck_base + SEC_ACCESS,
+				0xFF,
+				0xA5, 1);
+
+			rc = qpnp_chg_masked_write(chip,
+				chip->buck_base + BUCK_VCHG_OV,
+				0xff,
+				0x00, 1);
+
+			rc = qpnp_chg_masked_write(chip,
+				chip->buck_base + SEC_ACCESS,
+				0xFF,
+				0xA5, 1);
+
+			rc = qpnp_chg_masked_write(chip,
+				chip->buck_base + BUCK_TEST_SMBC_MODES,
+				0xFF,
+				0x80, 1);
+
 			break;
 		case SMBB_BAT_IF_SUBTYPE:
 		case SMBBP_BAT_IF_SUBTYPE:
@@ -2021,6 +2120,7 @@
 		}
 		INIT_WORK(&chip->adc_measure_work,
 			qpnp_bat_if_adc_measure_work);
+		INIT_DELAYED_WORK(&chip->arb_stop_work, qpnp_arb_stop_work);
 	}
 
 	if (chip->dc_chgpth_base) {
@@ -2115,6 +2215,41 @@
 	return 0;
 }
 
+static int qpnp_chg_resume(struct device *dev)
+{
+	struct qpnp_chg_chip *chip = dev_get_drvdata(dev);
+	int rc = 0;
+
+	rc = qpnp_chg_masked_write(chip,
+	chip->bat_if_base + BAT_IF_VREF_BAT_THM_CTRL,
+		VREF_BATT_THERM_FORCE_ON,
+		VREF_BATT_THERM_FORCE_ON, 1);
+	if (rc)
+		pr_debug("failed to force on VREF_BAT_THM rc=%d\n", rc);
+
+	return rc;
+}
+
+static int qpnp_chg_suspend(struct device *dev)
+{
+	struct qpnp_chg_chip *chip = dev_get_drvdata(dev);
+	int rc = 0;
+
+	rc = qpnp_chg_masked_write(chip,
+	chip->bat_if_base + BAT_IF_VREF_BAT_THM_CTRL,
+		VREF_BATT_THERM_FORCE_ON,
+		VREF_BAT_THM_ENABLED_FSM, 1);
+	if (rc)
+		pr_debug("failed to enable FSM ctrl VREF_BAT_THM rc=%d\n", rc);
+
+	return rc;
+}
+
+static const struct dev_pm_ops qpnp_bms_pm_ops = {
+	.resume		= qpnp_chg_resume,
+	.suspend	= qpnp_chg_suspend,
+};
+
 static struct spmi_driver qpnp_charger_driver = {
 	.probe		= qpnp_charger_probe,
 	.remove		= __devexit_p(qpnp_charger_remove),
diff --git a/drivers/regulator/qpnp-regulator.c b/drivers/regulator/qpnp-regulator.c
index 4cdfaeb..2d10f89 100644
--- a/drivers/regulator/qpnp-regulator.c
+++ b/drivers/regulator/qpnp-regulator.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -19,12 +19,14 @@
 #include <linux/string.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
+#include <linux/interrupt.h>
 #include <linux/bitops.h>
 #include <linux/slab.h>
 #include <linux/spmi.h>
 #include <linux/of.h>
 #include <linux/of_device.h>
 #include <linux/platform_device.h>
+#include <linux/ktime.h>
 #include <linux/regulator/driver.h>
 #include <linux/regulator/of_regulator.h>
 #include <linux/regulator/qpnp-regulator.h>
@@ -36,6 +38,7 @@
 	QPNP_VREG_DEBUG_INIT		= BIT(2), /* Show state after probe */
 	QPNP_VREG_DEBUG_WRITES		= BIT(3), /* Show SPMI writes */
 	QPNP_VREG_DEBUG_READS		= BIT(4), /* Show SPMI reads */
+	QPNP_VREG_DEBUG_OCP		= BIT(5), /* Show VS OCP IRQ events */
 };
 
 static int qpnp_vreg_debug_mask;
@@ -156,9 +159,8 @@
 #define QPNP_LDO_SOFT_START_ENABLE_MASK		0x80
 
 /* VS regulator over current protection control register layout */
-#define QPNP_VS_OCP_ENABLE_MASK			0x80
-#define QPNP_VS_OCP_OVERRIDE_MASK		0x01
-#define QPNP_VS_OCP_DISABLE			0x00
+#define QPNP_VS_OCP_OVERRIDE			0x01
+#define QPNP_VS_OCP_NO_OVERRIDE			0x00
 
 /* VS regulator soft start control register layout */
 #define QPNP_VS_SOFT_START_ENABLE_MASK		0x80
@@ -168,6 +170,11 @@
 #define QPNP_BOOST_CURRENT_LIMIT_ENABLE_MASK	0x80
 #define QPNP_BOOST_CURRENT_LIMIT_MASK		0x07
 
+#define QPNP_VS_OCP_DEFAULT_MAX_RETRIES		10
+#define QPNP_VS_OCP_DEFAULT_RETRY_DELAY_MS	30
+#define QPNP_VS_OCP_FALL_DELAY_US		90
+#define QPNP_VS_OCP_FAULT_DELAY_US		20000
+
 /*
  * This voltage in uV is returned by get_voltage functions when there is no way
  * to determine the current voltage level.  It is needed because the regulator
@@ -203,17 +210,22 @@
 
 struct qpnp_regulator {
 	struct regulator_desc			rdesc;
+	struct delayed_work			ocp_work;
 	struct spmi_device			*spmi_dev;
 	struct regulator_dev			*rdev;
 	struct qpnp_voltage_set_points		*set_points;
 	enum qpnp_regulator_logical_type	logical_type;
 	int					enable_time;
-	int					ocp_enable_time;
 	int					ocp_enable;
+	int					ocp_irq;
+	int					ocp_count;
+	int					ocp_max_retries;
+	int					ocp_retry_delay_ms;
 	int					system_load;
 	int					hpm_min_load;
 	u32					write_count;
 	u32					prev_write_count;
+	ktime_t					vs_enable_time;
 	u16					base_addr;
 	/* ctrl_reg provides a shadow copy of register values 0x40 to 0x47. */
 	u8					ctrl_reg[8];
@@ -501,35 +513,11 @@
 static int qpnp_regulator_vs_enable(struct regulator_dev *rdev)
 {
 	struct qpnp_regulator *vreg = rdev_get_drvdata(rdev);
-	int rc;
-	u8 reg;
 
-	if (vreg->ocp_enable == QPNP_REGULATOR_ENABLE) {
-		/* Disable OCP */
-		reg = QPNP_VS_OCP_DISABLE;
-		rc = qpnp_vreg_write(vreg, QPNP_VS_REG_OCP, &reg, 1);
-		if (rc)
-			goto fail;
-	}
+	if (vreg->ocp_irq)
+		vreg->vs_enable_time = ktime_get();
 
-	rc = qpnp_regulator_common_enable(rdev);
-	if (rc)
-		goto fail;
-
-	if (vreg->ocp_enable == QPNP_REGULATOR_ENABLE) {
-		/* Wait for inrush current to subsided, then enable OCP. */
-		udelay(vreg->ocp_enable_time);
-		reg = QPNP_VS_OCP_ENABLE_MASK;
-		rc = qpnp_vreg_write(vreg, QPNP_VS_REG_OCP, &reg, 1);
-		if (rc)
-			goto fail;
-	}
-
-	return rc;
-fail:
-	vreg_err(vreg, "qpnp_vreg_write failed, rc=%d\n", rc);
-
-	return rc;
+	return qpnp_regulator_common_enable(rdev);
 }
 
 static int qpnp_regulator_common_disable(struct regulator_dev *rdev)
@@ -785,6 +773,88 @@
 	return vreg->enable_time;
 }
 
+static int qpnp_regulator_vs_clear_ocp(struct qpnp_regulator *vreg)
+{
+	int rc;
+
+	rc = qpnp_vreg_masked_write(vreg, QPNP_COMMON_REG_ENABLE,
+		QPNP_COMMON_DISABLE, QPNP_COMMON_ENABLE_MASK,
+		&vreg->ctrl_reg[QPNP_COMMON_IDX_ENABLE]);
+	if (rc)
+		vreg_err(vreg, "qpnp_vreg_masked_write failed, rc=%d\n", rc);
+
+	vreg->vs_enable_time = ktime_get();
+
+	rc = qpnp_vreg_masked_write(vreg, QPNP_COMMON_REG_ENABLE,
+		QPNP_COMMON_ENABLE, QPNP_COMMON_ENABLE_MASK,
+		&vreg->ctrl_reg[QPNP_COMMON_IDX_ENABLE]);
+	if (rc)
+		vreg_err(vreg, "qpnp_vreg_masked_write failed, rc=%d\n", rc);
+
+	if (qpnp_vreg_debug_mask & QPNP_VREG_DEBUG_OCP) {
+		pr_info("%s: switch state toggled after OCP event\n",
+			vreg->rdesc.name);
+	}
+
+	return rc;
+}
+
+static void qpnp_regulator_vs_ocp_work(struct work_struct *work)
+{
+	struct delayed_work *dwork
+		= container_of(work, struct delayed_work, work);
+	struct qpnp_regulator *vreg
+		= container_of(dwork, struct qpnp_regulator, ocp_work);
+
+	qpnp_regulator_vs_clear_ocp(vreg);
+
+	return;
+}
+
+static irqreturn_t qpnp_regulator_vs_ocp_isr(int irq, void *data)
+{
+	struct qpnp_regulator *vreg = data;
+	ktime_t ocp_irq_time;
+	s64 ocp_trigger_delay_us;
+
+	ocp_irq_time = ktime_get();
+	ocp_trigger_delay_us = ktime_us_delta(ocp_irq_time,
+						vreg->vs_enable_time);
+
+	/*
+	 * Reset the OCP count if there is a large delay between switch enable
+	 * and when OCP triggers.  This is indicative of a hotplug event as
+	 * opposed to a fault.
+	 */
+	if (ocp_trigger_delay_us > QPNP_VS_OCP_FAULT_DELAY_US)
+		vreg->ocp_count = 0;
+
+	/* Wait for switch output to settle back to 0 V after OCP triggered. */
+	udelay(QPNP_VS_OCP_FALL_DELAY_US);
+
+	vreg->ocp_count++;
+
+	if (qpnp_vreg_debug_mask & QPNP_VREG_DEBUG_OCP) {
+		pr_info("%s: VS OCP triggered, count = %d, delay = %lld us\n",
+			vreg->rdesc.name, vreg->ocp_count,
+			ocp_trigger_delay_us);
+	}
+
+	if (vreg->ocp_count == 1) {
+		/* Immediately clear the over current condition. */
+		qpnp_regulator_vs_clear_ocp(vreg);
+	} else if (vreg->ocp_count <= vreg->ocp_max_retries) {
+		/* Schedule the over current clear task to run later. */
+		schedule_delayed_work(&vreg->ocp_work,
+			msecs_to_jiffies(vreg->ocp_retry_delay_ms) + 1);
+	} else {
+		vreg_err(vreg, "OCP triggered %d times; no further retries\n",
+			vreg->ocp_count);
+	}
+
+	return IRQ_HANDLED;
+}
+
 static const char const *qpnp_print_actions[] = {
 	[QPNP_REGULATOR_ACTION_INIT]	= "initial    ",
 	[QPNP_REGULATOR_ACTION_ENABLE]	= "enable     ",
@@ -834,7 +904,8 @@
 
 	if (type == QPNP_REGULATOR_LOGICAL_TYPE_SMPS
 	    || type == QPNP_REGULATOR_LOGICAL_TYPE_LDO
-	    || type == QPNP_REGULATOR_LOGICAL_TYPE_FTSMPS) {
+	    || type == QPNP_REGULATOR_LOGICAL_TYPE_FTSMPS
+	    || type == QPNP_REGULATOR_LOGICAL_TYPE_VS) {
 		mode = qpnp_regulator_common_get_mode(rdev);
 		mode_label = mode == REGULATOR_MODE_NORMAL ? "HPM" : "LPM";
 	}
@@ -903,9 +974,9 @@
 		pc_mode_label[1] =
 		     mode_reg & QPNP_COMMON_MODE_FOLLOW_AWAKE_MASK  ? 'W' : '_';
 
-		pr_info("%s %-11s: %s, pc_en=%s, alt_mode=%s\n",
+		pr_info("%s %-11s: %s, mode=%s, pc_en=%s, alt_mode=%s\n",
 			action_label, vreg->rdesc.name, enable_label,
-			pc_enable_label, pc_mode_label);
+			mode_label, pc_enable_label, pc_mode_label);
 		break;
 	case QPNP_REGULATOR_LOGICAL_TYPE_BOOST:
 		pr_info("%s %-11s: %s, v=%7d uV\n",
@@ -1099,6 +1170,17 @@
 		    pdata->pin_ctrl_enable & QPNP_COMMON_ENABLE_FOLLOW_ALL_MASK;
 	}
 
+	/* Set up HPM control. */
+	if ((type == QPNP_REGULATOR_LOGICAL_TYPE_SMPS
+	     || type == QPNP_REGULATOR_LOGICAL_TYPE_LDO
+	     || type == QPNP_REGULATOR_LOGICAL_TYPE_VS
+	     || type == QPNP_REGULATOR_LOGICAL_TYPE_FTSMPS)
+	    && (pdata->hpm_enable != QPNP_REGULATOR_USE_HW_DEFAULT)) {
+		ctrl_reg[QPNP_COMMON_IDX_MODE] &= ~QPNP_COMMON_MODE_HPM_MASK;
+		ctrl_reg[QPNP_COMMON_IDX_MODE] |=
+		     (pdata->hpm_enable ? QPNP_COMMON_MODE_HPM_MASK : 0);
+	}
+
 	/* Set up auto mode control. */
 	if ((type == QPNP_REGULATOR_LOGICAL_TYPE_SMPS
 	     || type == QPNP_REGULATOR_LOGICAL_TYPE_LDO
@@ -1224,7 +1306,8 @@
 		}
 
 		if (pdata->ocp_enable != QPNP_REGULATOR_USE_HW_DEFAULT) {
-			reg = pdata->ocp_enable ? QPNP_VS_OCP_ENABLE_MASK : 0;
+			reg = pdata->ocp_enable ? QPNP_VS_OCP_NO_OVERRIDE
+						: QPNP_VS_OCP_OVERRIDE;
 			rc = qpnp_vreg_write(vreg, QPNP_VS_REG_OCP, &reg, 1);
 			if (rc) {
 				vreg_err(vreg, "spmi write failed, rc=%d\n",
@@ -1256,6 +1339,11 @@
 	}
 	pdata->base_addr = res->start;
 
+	/* OCP IRQ is optional so ignore get errors. */
+	pdata->ocp_irq = spmi_get_irq_byname(spmi, NULL, "ocp");
+	if (pdata->ocp_irq < 0)
+		pdata->ocp_irq = 0;
+
 	/*
 	 * Initialize configuration parameters to use hardware default in case
 	 * no value is specified via device tree.
@@ -1269,6 +1357,7 @@
 	pdata->pin_ctrl_enable	    = QPNP_REGULATOR_PIN_CTRL_ENABLE_HW_DEFAULT;
 	pdata->pin_ctrl_hpm	    = QPNP_REGULATOR_PIN_CTRL_HPM_HW_DEFAULT;
 	pdata->vs_soft_start_strength	= QPNP_VS_SOFT_START_STR_HW_DEFAULT;
+	pdata->hpm_enable		= QPNP_REGULATOR_USE_HW_DEFAULT;
 
 	/* These bindings are optional, so it is okay if they are not found. */
 	of_property_read_u32(node, "qcom,auto-mode-enable",
@@ -1276,6 +1365,10 @@
 	of_property_read_u32(node, "qcom,bypass-mode-enable",
 		&pdata->bypass_mode_enable);
 	of_property_read_u32(node, "qcom,ocp-enable", &pdata->ocp_enable);
+	of_property_read_u32(node, "qcom,ocp-max-retries",
+		&pdata->ocp_max_retries);
+	of_property_read_u32(node, "qcom,ocp-retry-delay",
+		&pdata->ocp_retry_delay_ms);
 	of_property_read_u32(node, "qcom,pull-down-enable",
 		&pdata->pull_down_enable);
 	of_property_read_u32(node, "qcom,soft-start-enable",
@@ -1285,12 +1378,11 @@
 	of_property_read_u32(node, "qcom,pin-ctrl-enable",
 		&pdata->pin_ctrl_enable);
 	of_property_read_u32(node, "qcom,pin-ctrl-hpm", &pdata->pin_ctrl_hpm);
+	of_property_read_u32(node, "qcom,hpm-enable", &pdata->hpm_enable);
 	of_property_read_u32(node, "qcom,vs-soft-start-strength",
 		&pdata->vs_soft_start_strength);
 	of_property_read_u32(node, "qcom,system-load", &pdata->system_load);
 	of_property_read_u32(node, "qcom,enable-time", &pdata->enable_time);
-	of_property_read_u32(node, "qcom,ocp-enable-time",
-		&pdata->ocp_enable_time);
 
 	return rc;
 }
@@ -1364,7 +1456,14 @@
 	vreg->enable_time	= pdata->enable_time;
 	vreg->system_load	= pdata->system_load;
 	vreg->ocp_enable	= pdata->ocp_enable;
-	vreg->ocp_enable_time	= pdata->ocp_enable_time;
+	vreg->ocp_irq		= pdata->ocp_irq;
+	vreg->ocp_max_retries	= pdata->ocp_max_retries;
+	vreg->ocp_retry_delay_ms = pdata->ocp_retry_delay_ms;
+
+	if (vreg->ocp_max_retries == 0)
+		vreg->ocp_max_retries = QPNP_VS_OCP_DEFAULT_MAX_RETRIES;
+	if (vreg->ocp_retry_delay_ms == 0)
+		vreg->ocp_retry_delay_ms = QPNP_VS_OCP_DEFAULT_RETRY_DELAY_MS;
 
 	rdesc			= &vreg->rdesc;
 	rdesc->id		= spmi->ctrl->nr;
@@ -1414,18 +1513,37 @@
 		goto bail;
 	}
 
+	if (vreg->logical_type != QPNP_REGULATOR_LOGICAL_TYPE_VS)
+		vreg->ocp_irq = 0;
+
+	if (vreg->ocp_irq) {
+		rc = devm_request_irq(&spmi->dev, vreg->ocp_irq,
+			qpnp_regulator_vs_ocp_isr, IRQF_TRIGGER_RISING, "ocp",
+			vreg);
+		if (rc < 0) {
+			vreg_err(vreg, "failed to request irq %d, rc=%d\n",
+				vreg->ocp_irq, rc);
+			goto bail;
+		}
+
+		INIT_DELAYED_WORK(&vreg->ocp_work, qpnp_regulator_vs_ocp_work);
+	}
+
 	vreg->rdev = regulator_register(rdesc, &spmi->dev,
 			&(pdata->init_data), vreg, spmi->dev.of_node);
 	if (IS_ERR(vreg->rdev)) {
 		rc = PTR_ERR(vreg->rdev);
 		vreg_err(vreg, "regulator_register failed, rc=%d\n", rc);
-		goto bail;
+		goto cancel_ocp_work;
 	}
 
 	qpnp_vreg_show_state(vreg->rdev, QPNP_REGULATOR_ACTION_INIT);
 
 	return 0;
 
+cancel_ocp_work:
+	if (vreg->ocp_irq)
+		cancel_delayed_work_sync(&vreg->ocp_work);
 bail:
 	if (rc)
 		vreg_err(vreg, "probe failed, rc=%d\n", rc);
@@ -1445,6 +1563,8 @@
 
 	if (vreg) {
 		regulator_unregister(vreg->rdev);
+		if (vreg->ocp_irq)
+			cancel_delayed_work_sync(&vreg->ocp_work);
 		kfree(vreg->rdesc.name);
 		kfree(vreg);
 	}
diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h
index 139bc06..086ff03 100644
--- a/drivers/scsi/ufs/ufs.h
+++ b/drivers/scsi/ufs/ufs.h
@@ -36,10 +36,20 @@
 #ifndef _UFS_H
 #define _UFS_H
 
+#include <linux/mutex.h>
+#include <linux/types.h>
+
 #define MAX_CDB_SIZE	16
+#define GENERAL_UPIU_REQUEST_SIZE 32
+#define UPIU_HEADER_DATA_SEGMENT_MAX_SIZE	((ALIGNED_UPIU_SIZE) - \
+					(GENERAL_UPIU_REQUEST_SIZE))
+#define QUERY_OSF_SIZE			((GENERAL_UPIU_REQUEST_SIZE) - \
+					(sizeof(struct utp_upiu_header)))
+#define UFS_QUERY_RESERVED_SCSI_CMD 0xCC
+#define UFS_QUERY_CMD_SIZE 10
 
 #define UPIU_HEADER_DWORD(byte3, byte2, byte1, byte0)\
-			((byte3 << 24) | (byte2 << 16) |\
+			cpu_to_be32((byte3 << 24) | (byte2 << 16) |\
 			 (byte1 << 8) | (byte0))
 
 /*
@@ -62,7 +72,7 @@
 	UPIU_TRANSACTION_COMMAND	= 0x01,
 	UPIU_TRANSACTION_DATA_OUT	= 0x02,
 	UPIU_TRANSACTION_TASK_REQ	= 0x04,
-	UPIU_TRANSACTION_QUERY_REQ	= 0x26,
+	UPIU_TRANSACTION_QUERY_REQ	= 0x16,
 };
 
 /* UTP UPIU Transaction Codes Target to Initiator */
@@ -73,6 +83,7 @@
 	UPIU_TRANSACTION_TASK_RSP	= 0x24,
 	UPIU_TRANSACTION_READY_XFER	= 0x31,
 	UPIU_TRANSACTION_QUERY_RSP	= 0x36,
+	UPIU_TRANSACTION_REJECT_UPIU	= 0x3F,
 };
 
 /* UPIU Read/Write flags */
@@ -90,6 +101,12 @@
 	UPIU_TASK_ATTR_ACA	= 0x03,
 };
 
+/* UPIU Query request function */
+enum {
+	UPIU_QUERY_FUNC_STANDARD_READ_REQUEST = 0x01,
+	UPIU_QUERY_FUNC_STANDARD_WRITE_REQUEST = 0x81,
+};
+
 /* UTP QUERY Transaction Specific Fields OpCode */
 enum {
 	UPIU_QUERY_OPCODE_NOP		= 0x0,
@@ -103,6 +120,21 @@
 	UPIU_QUERY_OPCODE_TOGGLE_FLAG	= 0x8,
 };
 
+/* Query response result code */
+enum {
+	QUERY_RESULT_SUCCESS			= 0x00,
+	QUERY_RESULT_NOT_READABLE		= 0xF6,
+	QUERY_RESULT_NOT_WRITEABLE		= 0xF7,
+	QUERY_RESULT_ALREADY_WRITTEN		= 0xF8,
+	QUERY_RESULT_INVALID_LENGTH		= 0xF9,
+	QUERY_RESULT_INVALID_VALUE		= 0xFA,
+	QUERY_RESULT_INVALID_SELECTOR		= 0xFB,
+	QUERY_RESULT_INVALID_INDEX		= 0xFC,
+	QUERY_RESULT_INVALID_IDN		= 0xFD,
+	QUERY_RESULT_INVALID_OPCODE		= 0xFE,
+	QUERY_RESULT_GENERAL_FAILURE		= 0xFF,
+};
+
 /* UTP Transfer Request Command Type (CT) */
 enum {
 	UPIU_COMMAND_SET_TYPE_SCSI	= 0x0,
@@ -110,10 +142,17 @@
 	UPIU_COMMAND_SET_TYPE_QUERY	= 0x2,
 };
 
+/* UTP Transfer Request Command Offset */
+#define UPIU_COMMAND_TYPE_OFFSET	28
+
+/* Offset of the response code in the UPIU header */
+#define UPIU_RSP_CODE_OFFSET		8
+
 enum {
 	MASK_SCSI_STATUS	= 0xFF,
 	MASK_TASK_RESPONSE	= 0xFF00,
 	MASK_RSP_UPIU_RESULT	= 0xFFFF,
+	MASK_QUERY_DATA_SEG_LEN	= 0xFFFF,
 };
 
 /* Task management service response */
@@ -138,26 +177,59 @@
 
 /**
  * struct utp_upiu_cmd - Command UPIU structure
- * @header: UPIU header structure DW-0 to DW-2
  * @data_transfer_len: Data Transfer Length DW-3
  * @cdb: Command Descriptor Block CDB DW-4 to DW-7
  */
 struct utp_upiu_cmd {
-	struct utp_upiu_header header;
 	u32 exp_data_transfer_len;
 	u8 cdb[MAX_CDB_SIZE];
 };
 
 /**
- * struct utp_upiu_rsp - Response UPIU structure
- * @header: UPIU header DW-0 to DW-2
+ * struct utp_upiu_query - upiu request buffer structure for
+ * query request.
+ * @opcode: command to perform B-0
+ * @idn: a value that indicates the particular type of data B-1
+ * @index: Index to further identify data B-2
+ * @selector: Index to further identify data B-3
+ * @reserved_osf: spec reserved field B-4,5
+ * @length: number of descriptor bytes to read/write B-6,7
+ * @value: Attribute value to be written DW-6
+ * @reserved: spec reserved DW-7,8
+ */
+struct utp_upiu_query {
+	u8 opcode;
+	u8 idn;
+	u8 index;
+	u8 selector;
+	u16 reserved_osf;
+	u16 length;
+	u32 value;
+	u32 reserved[2];
+};
+
+/**
+ * struct utp_upiu_req - general upiu request structure
+ * @header:UPIU header structure DW-0 to DW-2
+ * @sc: fields structure for scsi command
+ * @qr: fields structure for query request
+ */
+struct utp_upiu_req {
+	struct utp_upiu_header header;
+	union {
+		struct utp_upiu_cmd sc;
+		struct utp_upiu_query qr;
+	};
+};
+
+/**
+ * struct utp_cmd_rsp - Response UPIU structure
  * @residual_transfer_count: Residual transfer count DW-3
  * @reserved: Reserved double words DW-4 to DW-7
  * @sense_data_len: Sense data length DW-8 U16
  * @sense_data: Sense data field DW-8 to DW-12
  */
-struct utp_upiu_rsp {
-	struct utp_upiu_header header;
+struct utp_cmd_rsp {
 	u32 residual_transfer_count;
 	u32 reserved[4];
 	u16 sense_data_len;
@@ -165,6 +237,20 @@
 };
 
 /**
+ * struct utp_upiu_rsp - general upiu response structure
+ * @header: UPIU header structure DW-0 to DW-2
+ * @sc: fields structure for scsi command
+ * @qr: fields structure for query request
+ */
+struct utp_upiu_rsp {
+	struct utp_upiu_header header;
+	union {
+		struct utp_cmd_rsp sc;
+		struct utp_upiu_query qr;
+	};
+};
+
+/**
  * struct utp_upiu_task_req - Task request UPIU structure
  * @header - UPIU header structure DW0 to DW-2
  * @input_param1: Input parameter 1 DW-3
@@ -194,4 +280,24 @@
 	u32 reserved[3];
 };
 
+/**
+ * struct ufs_query_req - parameters for building a query request
+ * @query_func: UPIU header query function
+ * @upiu_req: the query request data
+ */
+struct ufs_query_req {
+	u8 query_func;
+	struct utp_upiu_query upiu_req;
+};
+
+/**
+ * struct ufs_query_resp - UPIU QUERY
+ * @response: device response code
+ * @upiu_res: query response data
+ */
+struct ufs_query_res {
+	u8 response;
+	struct utp_upiu_query upiu_res;
+};
+
 #endif /* End of Header */
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index c32a478..e12b9b4 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -202,18 +202,13 @@
 }
 
 /**
- * ufshcd_is_valid_req_rsp - checks if controller TR response is valid
+ * ufshcd_get_req_rsp - returns the TR response
  * @ucd_rsp_ptr: pointer to response UPIU
- *
- * This function checks the response UPIU for valid transaction type in
- * response field
- * Returns 0 on success, non-zero on failure
  */
 static inline int
-ufshcd_is_valid_req_rsp(struct utp_upiu_rsp *ucd_rsp_ptr)
+ufshcd_get_req_rsp(struct utp_upiu_rsp *ucd_rsp_ptr)
 {
-	return ((be32_to_cpu(ucd_rsp_ptr->header.dword_0) >> 24) ==
-		 UPIU_TRANSACTION_RESPONSE) ? 0 : DID_ERROR << 16;
+	return be32_to_cpu(ucd_rsp_ptr->header.dword_0) >> 24;
 }
 
 /**
@@ -316,14 +311,71 @@
 {
 	int len;
 	if (lrbp->sense_buffer) {
-		len = be16_to_cpu(lrbp->ucd_rsp_ptr->sense_data_len);
+		len = be16_to_cpu(lrbp->ucd_rsp_ptr->sc.sense_data_len);
 		memcpy(lrbp->sense_buffer,
-			lrbp->ucd_rsp_ptr->sense_data,
+			lrbp->ucd_rsp_ptr->sc.sense_data,
 			min_t(int, len, SCSI_SENSE_BUFFERSIZE));
 	}
 }
 
 /**
+ * ufshcd_query_to_cpu() - formats the received buffer in to the native cpu
+ * endian
+ * @response: upiu query response to convert
+ */
+static inline void ufshcd_query_to_cpu(struct utp_upiu_query *response)
+{
+	response->length = be16_to_cpu(response->length);
+	response->value = be32_to_cpu(response->value);
+}
+
+/**
+ * ufshcd_query_to_be() - formats the buffer before sending in to big endian
+ * @response: upiu query request to convert
+ */
+static inline void ufshcd_query_to_be(struct utp_upiu_query *request)
+{
+	request->length = cpu_to_be16(request->length);
+	request->value = cpu_to_be32(request->value);
+}
+
+/**
+ * ufshcd_copy_query_response() - Copy Query Response and descriptor
+ * @lrb - pointer to local reference block
+ * @query_res - pointer to the query result
+ */
+static
+void ufshcd_copy_query_response(struct ufs_hba *hba, struct ufshcd_lrb *lrbp)
+{
+	struct ufs_query_res *query_res = hba->query.response;
+
+	/* Get the UPIU response */
+	if (query_res) {
+		query_res->response = ufshcd_get_rsp_upiu_result(
+			lrbp->ucd_rsp_ptr) >> UPIU_RSP_CODE_OFFSET;
+
+		memcpy(&query_res->upiu_res, &lrbp->ucd_rsp_ptr->qr,
+			QUERY_OSF_SIZE);
+		ufshcd_query_to_cpu(&query_res->upiu_res);
+	}
+
+	/* Get the descriptor */
+	if (hba->query.descriptor && lrbp->ucd_rsp_ptr->qr.opcode ==
+			UPIU_QUERY_OPCODE_READ_DESC) {
+		u8 *descp = (u8 *)&lrbp->ucd_rsp_ptr +
+				GENERAL_UPIU_REQUEST_SIZE;
+		u16 len;
+
+		/* data segment length */
+		len = be32_to_cpu(lrbp->ucd_rsp_ptr->header.dword_2) &
+						MASK_QUERY_DATA_SEG_LEN;
+
+		memcpy(hba->query.descriptor, descp,
+			min_t(u16, len, UPIU_HEADER_DATA_SEGMENT_MAX_SIZE));
+	}
+}
+
+/**
  * ufshcd_hba_capabilities - Read controller capabilities
  * @hba: per adapter instance
  */
@@ -423,76 +475,159 @@
 }
 
 /**
+ * ufshcd_prepare_req_desc - Fills the requests header
+ * descriptor according to request
+ * lrbp: pointer to local reference block
+ * upiu_flags: flags required in the header
+ */
+static void ufshcd_prepare_req_desc(struct ufshcd_lrb *lrbp, u32 *upiu_flags)
+{
+	struct utp_transfer_req_desc *req_desc = lrbp->utr_descriptor_ptr;
+	enum dma_data_direction cmd_dir =
+		lrbp->cmd->sc_data_direction;
+	u32 data_direction;
+	u32 dword_0;
+
+	if (cmd_dir == DMA_FROM_DEVICE) {
+		data_direction = UTP_DEVICE_TO_HOST;
+		*upiu_flags = UPIU_CMD_FLAGS_READ;
+	} else if (cmd_dir == DMA_TO_DEVICE) {
+		data_direction = UTP_HOST_TO_DEVICE;
+		*upiu_flags = UPIU_CMD_FLAGS_WRITE;
+	} else {
+		data_direction = UTP_NO_DATA_TRANSFER;
+		*upiu_flags = UPIU_CMD_FLAGS_NONE;
+	}
+
+	dword_0 = data_direction | (lrbp->command_type
+				<< UPIU_COMMAND_TYPE_OFFSET);
+
+	/* Transfer request descriptor header fields */
+	req_desc->header.dword_0 = cpu_to_le32(dword_0);
+
+	/*
+	 * assigning invalid value for command status. Controller
+	 * updates OCS on command completion, with the command
+	 * status
+	 */
+	req_desc->header.dword_2 =
+		cpu_to_le32(OCS_INVALID_COMMAND_STATUS);
+}
+
+static inline bool ufshcd_is_query_req(struct ufshcd_lrb *lrbp)
+{
+	return lrbp->cmd ? lrbp->cmd->cmnd[0] == UFS_QUERY_RESERVED_SCSI_CMD :
+		false;
+}
+
+/**
+ * ufshcd_prepare_utp_scsi_cmd_upiu() - fills the utp_transfer_req_desc,
+ * for scsi commands
+ * @lrbp - local reference block pointer
+ * @upiu_flags - flags
+ */
+static
+void ufshcd_prepare_utp_scsi_cmd_upiu(struct ufshcd_lrb *lrbp, u32 upiu_flags)
+{
+	struct utp_upiu_req *ucd_req_ptr = lrbp->ucd_req_ptr;
+
+	/* command descriptor fields */
+	ucd_req_ptr->header.dword_0 = UPIU_HEADER_DWORD(
+				UPIU_TRANSACTION_COMMAND, upiu_flags,
+				lrbp->lun, lrbp->task_tag);
+	ucd_req_ptr->header.dword_1 = UPIU_HEADER_DWORD(
+				UPIU_COMMAND_SET_TYPE_SCSI, 0, 0, 0);
+
+	/* Total EHS length and Data segment length will be zero */
+	ucd_req_ptr->header.dword_2 = 0;
+
+	ucd_req_ptr->sc.exp_data_transfer_len =
+		cpu_to_be32(lrbp->cmd->sdb.length);
+
+	memcpy(ucd_req_ptr->sc.cdb, lrbp->cmd->cmnd,
+		(min_t(unsigned short, lrbp->cmd->cmd_len, MAX_CDB_SIZE)));
+}
+
+/**
+ * ufshcd_prepare_utp_query_req_upiu() - fills the utp_transfer_req_desc,
+ * for query requsts
+ * @hba: UFS hba
+ * @lrbp: local reference block pointer
+ * @upiu_flags: flags
+ */
+static void ufshcd_prepare_utp_query_req_upiu(struct ufs_hba *hba,
+					struct ufshcd_lrb *lrbp,
+					u32 upiu_flags)
+{
+	struct utp_upiu_req *ucd_req_ptr = lrbp->ucd_req_ptr;
+	u16 len = hba->query.request->upiu_req.length;
+	u8 *descp = (u8 *)lrbp->ucd_req_ptr + GENERAL_UPIU_REQUEST_SIZE;
+
+	/* Query request header */
+	ucd_req_ptr->header.dword_0 = UPIU_HEADER_DWORD(
+			UPIU_TRANSACTION_QUERY_REQ, upiu_flags,
+			lrbp->lun, lrbp->task_tag);
+	ucd_req_ptr->header.dword_1 = UPIU_HEADER_DWORD(
+			0, hba->query.request->query_func, 0, 0);
+
+	/* Data segment length */
+	ucd_req_ptr->header.dword_2 = UPIU_HEADER_DWORD(
+			0, 0, len >> 8, (u8)len);
+
+	/* Copy the Query Request buffer as is */
+	memcpy(&lrbp->ucd_req_ptr->qr, &hba->query.request->upiu_req,
+			QUERY_OSF_SIZE);
+	ufshcd_query_to_be(&lrbp->ucd_req_ptr->qr);
+
+	/* Copy the Descriptor */
+	if (hba->query.descriptor != NULL && len > 0 &&
+		(hba->query.request->upiu_req.opcode ==
+					UPIU_QUERY_OPCODE_WRITE_DESC)) {
+		memcpy(descp, hba->query.descriptor,
+			min_t(u16, len, UPIU_HEADER_DATA_SEGMENT_MAX_SIZE));
+	}
+
+}
+
+/**
  * ufshcd_compose_upiu - form UFS Protocol Information Unit(UPIU)
+ * @hba - UFS hba
  * @lrb - pointer to local reference block
  */
-static void ufshcd_compose_upiu(struct ufshcd_lrb *lrbp)
+static int ufshcd_compose_upiu(struct ufs_hba *hba, struct ufshcd_lrb *lrbp)
 {
-	struct utp_transfer_req_desc *req_desc;
-	struct utp_upiu_cmd *ucd_cmd_ptr;
-	u32 data_direction;
 	u32 upiu_flags;
-
-	ucd_cmd_ptr = lrbp->ucd_cmd_ptr;
-	req_desc = lrbp->utr_descriptor_ptr;
+	int ret = 0;
 
 	switch (lrbp->command_type) {
 	case UTP_CMD_TYPE_SCSI:
-		if (lrbp->cmd->sc_data_direction == DMA_FROM_DEVICE) {
-			data_direction = UTP_DEVICE_TO_HOST;
-			upiu_flags = UPIU_CMD_FLAGS_READ;
-		} else if (lrbp->cmd->sc_data_direction == DMA_TO_DEVICE) {
-			data_direction = UTP_HOST_TO_DEVICE;
-			upiu_flags = UPIU_CMD_FLAGS_WRITE;
-		} else {
-			data_direction = UTP_NO_DATA_TRANSFER;
-			upiu_flags = UPIU_CMD_FLAGS_NONE;
-		}
-
-		/* Transfer request descriptor header fields */
-		req_desc->header.dword_0 =
-			cpu_to_le32(data_direction | UTP_SCSI_COMMAND);
-
-		/*
-		 * assigning invalid value for command status. Controller
-		 * updates OCS on command completion, with the command
-		 * status
-		 */
-		req_desc->header.dword_2 =
-			cpu_to_le32(OCS_INVALID_COMMAND_STATUS);
-
-		/* command descriptor fields */
-		ucd_cmd_ptr->header.dword_0 =
-			cpu_to_be32(UPIU_HEADER_DWORD(UPIU_TRANSACTION_COMMAND,
-						      upiu_flags,
-						      lrbp->lun,
-						      lrbp->task_tag));
-		ucd_cmd_ptr->header.dword_1 =
-			cpu_to_be32(
-				UPIU_HEADER_DWORD(UPIU_COMMAND_SET_TYPE_SCSI,
-						  0,
-						  0,
-						  0));
-
-		/* Total EHS length and Data segment length will be zero */
-		ucd_cmd_ptr->header.dword_2 = 0;
-
-		ucd_cmd_ptr->exp_data_transfer_len =
-			cpu_to_be32(lrbp->cmd->sdb.length);
-
-		memcpy(ucd_cmd_ptr->cdb,
-		       lrbp->cmd->cmnd,
-		       (min_t(unsigned short,
-			      lrbp->cmd->cmd_len,
-			      MAX_CDB_SIZE)));
-		break;
 	case UTP_CMD_TYPE_DEV_MANAGE:
-		/* For query function implementation */
+		ufshcd_prepare_req_desc(lrbp, &upiu_flags);
+		if (lrbp->cmd && lrbp->command_type == UTP_CMD_TYPE_SCSI)
+			ufshcd_prepare_utp_scsi_cmd_upiu(lrbp, upiu_flags);
+		else if (lrbp->cmd)
+			ufshcd_prepare_utp_query_req_upiu(hba, lrbp,
+								upiu_flags);
+		else {
+			dev_err(hba->dev, "%s: Invalid UPIU request\n",
+				__func__);
+			ret = -EINVAL;
+		}
 		break;
 	case UTP_CMD_TYPE_UFS:
 		/* For UFS native command implementation */
+		dev_err(hba->dev, "%s: UFS native command are not supported\n",
+			__func__);
+		ret = -ENOTSUPP;
+		break;
+	default:
+		ret = -ENOTSUPP;
+		dev_err(hba->dev, "%s: unknown command type: 0x%x\n",
+				__func__, lrbp->command_type);
 		break;
 	} /* end of switch */
+
+	return ret;
 }
 
 /**
@@ -527,10 +662,13 @@
 	lrbp->task_tag = tag;
 	lrbp->lun = cmd->device->lun;
 
-	lrbp->command_type = UTP_CMD_TYPE_SCSI;
+	if (ufshcd_is_query_req(lrbp))
+		lrbp->command_type = UTP_CMD_TYPE_DEV_MANAGE;
+	else
+		lrbp->command_type = UTP_CMD_TYPE_SCSI;
 
 	/* form UPIU before issuing the command */
-	ufshcd_compose_upiu(lrbp);
+	ufshcd_compose_upiu(hba, lrbp);
 	err = ufshcd_map_sg(lrbp);
 	if (err)
 		goto out;
@@ -544,6 +682,110 @@
 }
 
 /**
+ *  ufshcd_query_request() - Entry point for issuing query request to a
+ *  ufs device.
+ *  @hba: ufs driver context
+ *  @query: params for query request
+ *  @descriptor: buffer for sending/receiving descriptor
+ *  @response: pointer to a buffer that will contain the response code and
+ *           response upiu
+ *  @timeout: time limit for the command in seconds
+ *  @retries: number of times to try executing the command
+ *
+ *  The query request is submitted to the same request queue as the rest of
+ *  the scsi commands passed to the UFS controller. In order to use this
+ *  queue, we need to receive a tag, same as all other commands. The tags
+ *  are issued from the block layer. To simulate a request from the block
+ *  layer, we use the same interface as the SCSI layer does when it issues
+ *  commands not generated by users. To distinguish a query request from
+ *  the SCSI commands, we use a vendor specific unused SCSI command
+ *  op-code. This op-code is not part of the SCSI command subset used in
+ *  UFS. In such way it is easy to check the command in the driver and
+ *  handle it appropriately.
+ *
+ *  All necessary fields for issuing a query and receiving its response are
+ *  stored in the UFS hba struct. We can use this method since we know
+ *  there is only one active query request at all times.
+ *
+ *  The request that will pass to the device is stored in "query" argument
+ *  passed to this function, while the "response" argument (which is output
+ *  field) will hold the query response from the device along with the
+ *  response code.
+ */
+int ufshcd_query_request(struct ufs_hba *hba,
+			struct ufs_query_req *query,
+			u8 *descriptor,
+			struct ufs_query_res *response,
+			int timeout,
+			int retries)
+{
+	struct scsi_device *sdev;
+	u8 cmd[UFS_QUERY_CMD_SIZE] = {0};
+	int result;
+	bool sdev_lookup = true;
+
+	if (!hba || !query || !response) {
+		dev_err(hba->dev,
+			"%s: NULL pointer hba = %p, query = %p response = %p\n",
+			__func__, hba, query, response);
+		return -EINVAL;
+	}
+
+	/*
+	 * A SCSI command structure is composed from opcode at the
+	 * begining and 0 at the end.
+	 */
+	cmd[0] = UFS_QUERY_RESERVED_SCSI_CMD;
+
+	/* extracting the SCSI Device */
+	sdev = scsi_device_lookup(hba->host, 0, 0, 0);
+	if (!sdev) {
+		/**
+		 * There are some Query Requests that are sent during device
+		 * initialization, this happens before the scsi device was
+		 * initialized. If there is no scsi device, we generate a
+		 * temporary device to allow the Query Request flow.
+		 */
+		sdev_lookup = false;
+		sdev = scsi_get_host_dev(hba->host);
+	}
+
+	if (!sdev) {
+		dev_err(hba->dev, "%s: Could not fetch scsi device\n",
+			__func__);
+		return -ENODEV;
+	}
+
+	mutex_lock(&hba->query.lock_ufs_query);
+	hba->query.request = query;
+	hba->query.descriptor = descriptor;
+	hba->query.response = response;
+
+	/* wait until request is completed */
+	result = scsi_execute(sdev, cmd, DMA_NONE, NULL, 0, NULL,
+				timeout, retries, 0, NULL);
+	if (result) {
+		dev_err(hba->dev,
+			"%s: Query with opcode 0x%x, failed with result %d\n",
+			__func__, query->upiu_req.opcode, result);
+		result = -EIO;
+	}
+
+	hba->query.request = NULL;
+	hba->query.descriptor = NULL;
+	hba->query.response = NULL;
+	mutex_unlock(&hba->query.lock_ufs_query);
+
+	/* Releasing scsi device resource */
+	if (sdev_lookup)
+		scsi_device_put(sdev);
+	else
+		scsi_free_host_dev(sdev);
+
+	return result;
+}
+
+/**
  * ufshcd_memory_alloc - allocate memory for host memory space data structures
  * @hba: per adapter instance
  *
@@ -677,8 +919,8 @@
 				cpu_to_le16(ALIGNED_UPIU_SIZE);
 
 		hba->lrb[i].utr_descriptor_ptr = (utrdlp + i);
-		hba->lrb[i].ucd_cmd_ptr =
-			(struct utp_upiu_cmd *)(cmd_descp + i);
+		hba->lrb[i].ucd_req_ptr =
+			(struct utp_upiu_req *)(cmd_descp + i);
 		hba->lrb[i].ucd_rsp_ptr =
 			(struct utp_upiu_rsp *)cmd_descp[i].response_upiu;
 		hba->lrb[i].ucd_prdt_ptr =
@@ -1101,7 +1343,9 @@
  * @hba: per adapter instance
  * @lrb: pointer to local reference block of completed command
  *
- * Returns result of the command to notify SCSI midlayer
+ * Returns result of the command to notify SCSI midlayer. In
+ * case of query request specific result, returns DID_OK, and
+ * the error will be handled by the dispatcher.
  */
 static inline int
 ufshcd_transfer_rsp_status(struct ufs_hba *hba, struct ufshcd_lrb *lrbp)
@@ -1115,27 +1359,46 @@
 
 	switch (ocs) {
 	case OCS_SUCCESS:
-
 		/* check if the returned transfer response is valid */
-		result = ufshcd_is_valid_req_rsp(lrbp->ucd_rsp_ptr);
-		if (result) {
-			dev_err(hba->dev,
-				"Invalid response = %x\n", result);
+		result = ufshcd_get_req_rsp(lrbp->ucd_rsp_ptr);
+
+		switch (result) {
+		case UPIU_TRANSACTION_RESPONSE:
+			/*
+			 * get the response UPIU result to extract
+			 * the SCSI command status
+			 */
+			result = ufshcd_get_rsp_upiu_result(lrbp->ucd_rsp_ptr);
+
+			/*
+			 * get the result based on SCSI status response
+			 * to notify the SCSI midlayer of the command status
+			 */
+			scsi_status = result & MASK_SCSI_STATUS;
+			result = ufshcd_scsi_cmd_status(lrbp, scsi_status);
 			break;
+		case UPIU_TRANSACTION_QUERY_RSP:
+			/*
+			 *  Return result = ok, since SCSI layer wouldn't
+			 *  know how to handle errors from query requests.
+			 *  The result is saved with the response so that
+			 *  the ufs_core layer will handle it.
+			 */
+			result |= DID_OK << 16;
+			ufshcd_copy_query_response(hba, lrbp);
+			break;
+		case UPIU_TRANSACTION_REJECT_UPIU:
+			/* TODO: handle Reject UPIU Response */
+			result |= DID_ERROR << 16;
+			dev_err(hba->dev,
+				"Reject UPIU not fully implemented\n");
+			break;
+		default:
+			result |= DID_ERROR << 16;
+			dev_err(hba->dev,
+				"Unexpected request response code = %x\n",
+				result);
 		}
-
-		/*
-		 * get the response UPIU result to extract
-		 * the SCSI command status
-		 */
-		result = ufshcd_get_rsp_upiu_result(lrbp->ucd_rsp_ptr);
-
-		/*
-		 * get the result based on SCSI status response
-		 * to notify the SCSI midlayer of the command status
-		 */
-		scsi_status = result & MASK_SCSI_STATUS;
-		result = ufshcd_scsi_cmd_status(lrbp, scsi_status);
 		break;
 	case OCS_ABORTED:
 		result |= DID_ABORT << 16;
@@ -1364,10 +1627,10 @@
 	task_req_upiup =
 		(struct utp_upiu_task_req *) task_req_descp->task_req_upiu;
 	task_req_upiup->header.dword_0 =
-		cpu_to_be32(UPIU_HEADER_DWORD(UPIU_TRANSACTION_TASK_REQ, 0,
-					      lrbp->lun, lrbp->task_tag));
+		UPIU_HEADER_DWORD(UPIU_TRANSACTION_TASK_REQ, 0,
+					      lrbp->lun, lrbp->task_tag);
 	task_req_upiup->header.dword_1 =
-	cpu_to_be32(UPIU_HEADER_DWORD(0, tm_function, 0, 0));
+		UPIU_HEADER_DWORD(0, tm_function, 0, 0);
 
 	task_req_upiup->input_param1 = lrbp->lun;
 	task_req_upiup->input_param1 =
@@ -1670,6 +1933,9 @@
 	INIT_WORK(&hba->uic_workq, ufshcd_uic_cc_handler);
 	INIT_WORK(&hba->feh_workq, ufshcd_fatal_err_handler);
 
+	/* Initialize mutex for query requests */
+	mutex_init(&hba->query.lock_ufs_query);
+
 	/* IRQ registration */
 	err = request_irq(irq, ufshcd_intr, IRQF_SHARED, UFSHCD, hba);
 	if (err) {
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
index 6b99a42..336980b 100644
--- a/drivers/scsi/ufs/ufshcd.h
+++ b/drivers/scsi/ufs/ufshcd.h
@@ -60,6 +60,7 @@
 #include <scsi/scsi_tcq.h>
 #include <scsi/scsi_dbg.h>
 #include <scsi/scsi_eh.h>
+#include <scsi/scsi_device.h>
 
 #include "ufs.h"
 #include "ufshci.h"
@@ -88,7 +89,7 @@
 /**
  * struct ufshcd_lrb - local reference block
  * @utr_descriptor_ptr: UTRD address of the command
- * @ucd_cmd_ptr: UCD address of the command
+ * @ucd_req_ptr: UCD address of the command
  * @ucd_rsp_ptr: Response UPIU address for this command
  * @ucd_prdt_ptr: PRDT address of the command
  * @cmd: pointer to SCSI command
@@ -101,7 +102,7 @@
  */
 struct ufshcd_lrb {
 	struct utp_transfer_req_desc *utr_descriptor_ptr;
-	struct utp_upiu_cmd *ucd_cmd_ptr;
+	struct utp_upiu_req *ucd_req_ptr;
 	struct utp_upiu_rsp *ucd_rsp_ptr;
 	struct ufshcd_sg_entry *ucd_prdt_ptr;
 
@@ -115,6 +116,19 @@
 	unsigned int lun;
 };
 
+/**
+ * struct ufs_query - keeps the query request information
+ * @request: request upiu and function
+ * @descriptor: buffer for sending/receiving descriptor
+ * @response: response upiu and response
+ * @mutex: lock to allow one query at a time
+ */
+struct ufs_query {
+	struct ufs_query_req *request;
+	u8 *descriptor;
+	struct ufs_query_res *response;
+	struct mutex lock_ufs_query;
+};
 
 /**
  * struct ufs_hba - per adapter private structure
@@ -143,6 +157,7 @@
  * @uic_workq: Work queue for UIC completion handling
  * @feh_workq: Work queue for fatal controller error handling
  * @errors: HBA errors
+ * @query: query request information
  */
 struct ufs_hba {
 	void __iomem *mmio_base;
@@ -184,6 +199,9 @@
 
 	/* HBA Errors */
 	u32 errors;
+
+	/* Query Request */
+	struct ufs_query query;
 };
 
 int ufshcd_init(struct device *, struct ufs_hba ** , void __iomem * ,
diff --git a/drivers/scsi/ufs/ufshci.h b/drivers/scsi/ufs/ufshci.h
index 0c16484..4a86247 100644
--- a/drivers/scsi/ufs/ufshci.h
+++ b/drivers/scsi/ufs/ufshci.h
@@ -39,7 +39,7 @@
 enum {
 	TASK_REQ_UPIU_SIZE_DWORDS	= 8,
 	TASK_RSP_UPIU_SIZE_DWORDS	= 8,
-	ALIGNED_UPIU_SIZE		= 128,
+	ALIGNED_UPIU_SIZE		= 512,
 };
 
 /* UFSHCI Registers */
diff --git a/drivers/slimbus/slim-msm-ctrl.c b/drivers/slimbus/slim-msm-ctrl.c
index 9a864aa..4a3ea76 100644
--- a/drivers/slimbus/slim-msm-ctrl.c
+++ b/drivers/slimbus/slim-msm-ctrl.c
@@ -37,8 +37,6 @@
 #define QC_DEVID_SAT2	0x4
 #define QC_DEVID_PGD	0x5
 #define QC_MSM_DEVS	5
-#define INIT_MX_RETRIES 10
-#define DEF_RETRY_MS	10
 
 /* Manager registers */
 enum mgr_reg {
diff --git a/drivers/slimbus/slim-msm-ngd.c b/drivers/slimbus/slim-msm-ngd.c
index 63d3750..a0179cb 100644
--- a/drivers/slimbus/slim-msm-ngd.c
+++ b/drivers/slimbus/slim-msm-ngd.c
@@ -631,6 +631,7 @@
 	if (mc == SLIM_USR_MC_MASTER_CAPABILITY &&
 		mt == SLIM_MSG_MT_SRC_REFERRED_USER) {
 		struct slim_msg_txn txn;
+		int retries = 0;
 		u8 wbuf[8];
 		txn.dt = SLIM_MSG_DEST_LOGICALADDR;
 		txn.ec = 0;
@@ -638,7 +639,6 @@
 		txn.mc = SLIM_USR_MC_REPORT_SATELLITE;
 		txn.mt = SLIM_MSG_MT_SRC_REFERRED_USER;
 		txn.la = SLIM_LA_MGR;
-		txn.rl = 8;
 		wbuf[0] = SAT_MAGIC_LSB;
 		wbuf[1] = SAT_MAGIC_MSB;
 		wbuf[2] = SAT_MSG_VER;
@@ -655,7 +655,8 @@
 			/* make sure NGD MSG-Q config goes through */
 			mb();
 		}
-
+capability_retry:
+		txn.rl = 8;
 		ret = ngd_xfer_msg(&dev->ctrl, &txn);
 		if (!ret) {
 			enum msm_ctrl_state prev_state = dev->state;
@@ -668,6 +669,13 @@
 			/* ADSP SSR, send device_up notifications */
 			if (prev_state == MSM_CTRL_DOWN)
 				schedule_work(&dev->slave_notify);
+		} else if (ret == -EIO) {
+			pr_info("capability message NACKed, retrying");
+			if (retries < INIT_MX_RETRIES) {
+				msleep(DEF_RETRY_MS);
+				retries++;
+				goto capability_retry;
+			}
 		}
 	}
 	if (mc == SLIM_MSG_MC_REPLY_INFORMATION ||
diff --git a/drivers/slimbus/slim-msm.h b/drivers/slimbus/slim-msm.h
index 6ff3f19..cf2d26f 100644
--- a/drivers/slimbus/slim-msm.h
+++ b/drivers/slimbus/slim-msm.h
@@ -50,6 +50,8 @@
 #define SLIM_MSG_ASM_FIRST_WORD(l, mt, mc, dt, ad) \
 		((l) | ((mt) << 5) | ((mc) << 8) | ((dt) << 15) | ((ad) << 16))
 
+#define INIT_MX_RETRIES 10
+#define DEF_RETRY_MS	10
 #define MSM_CONCUR_MSG	8
 #define SAT_CONCUR_MSG	8
 #define DEF_WATERMARK	(8 << 1)
diff --git a/drivers/thermal/msm8974-tsens.c b/drivers/thermal/msm8974-tsens.c
index 676f69d..991cf2e 100644
--- a/drivers/thermal/msm8974-tsens.c
+++ b/drivers/thermal/msm8974-tsens.c
@@ -284,7 +284,7 @@
 
 	while (i < tmdev->tsens_num_sensor && !id_found) {
 		if (sensor_hw_num == tmdev->sensor[i].sensor_hw_num) {
-			*sensor_sw_idx = i;
+			*sensor_sw_idx = tmdev->sensor[i].sensor_sw_id;
 			id_found = true;
 		}
 		i++;
@@ -304,7 +304,7 @@
 
 	while (i < tmdev->tsens_num_sensor && !id_found) {
 		if (sensor_sw_id == tmdev->sensor[i].sensor_sw_id) {
-			*sensor_hw_num = i;
+			*sensor_hw_num = tmdev->sensor[i].sensor_hw_num;
 			id_found = true;
 		}
 		i++;
@@ -333,6 +333,8 @@
 	else
 		degc = num/den;
 
+	pr_debug("raw_code:0x%x, sensor_num:%d, degc:%d\n",
+			adc_code, idx, degc);
 	return degc;
 }
 
@@ -345,6 +347,8 @@
 		code = TSENS_THRESHOLD_MAX_CODE;
 	else if (code < TSENS_THRESHOLD_MIN_CODE)
 		code = TSENS_THRESHOLD_MIN_CODE;
+	pr_debug("raw_code:0x%x, sensor_num:%d, degc:%d\n",
+			code, idx, degc);
 	return code;
 }
 
@@ -729,6 +733,7 @@
 
 	tsens_calibration_mode = (calib_data[0] & TSENS_8X10_TSENS_CAL_SEL)
 			>> TSENS_8X10_CAL_SEL_SHIFT;
+	pr_debug("calib mode scheme:%x\n", tsens_calibration_mode);
 
 	if ((tsens_calibration_mode == TSENS_TWO_POINT_CALIB) ||
 		(tsens_calibration_mode == TSENS_ONE_POINT_CALIB_OPTION_2)) {
@@ -783,6 +788,9 @@
 		int32_t num = 0, den = 0;
 		tmdev->sensor[i].calib_data_point2 = calib_tsens_point2_data[i];
 		tmdev->sensor[i].calib_data_point1 = calib_tsens_point1_data[i];
+		pr_debug("sensor:%d - calib_data_point1:0x%x, calib_data_point2:0x%x\n",
+			i, tmdev->sensor[i].calib_data_point1,
+			tmdev->sensor[i].calib_data_point2);
 		if (tsens_calibration_mode == TSENS_TWO_POINT_CALIB) {
 			/* slope (m) = adc_code2 - adc_code1 (y2 - y1)/
 				temp_120_degc - temp_30_degc (x2 - x1) */
@@ -827,6 +835,7 @@
 
 	tsens_calibration_mode = (calib_data[5] & TSENS_8X26_TSENS_CAL_SEL)
 			>> TSENS_8X26_CAL_SEL_SHIFT;
+	pr_debug("calib mode scheme:%x\n", tsens_calibration_mode);
 
 	if ((tsens_calibration_mode == TSENS_TWO_POINT_CALIB) ||
 		(tsens_calibration_mode == TSENS_ONE_POINT_CALIB_OPTION_2)) {
@@ -936,6 +945,9 @@
 		int32_t num = 0, den = 0;
 		tmdev->sensor[i].calib_data_point2 = calib_tsens_point2_data[i];
 		tmdev->sensor[i].calib_data_point1 = calib_tsens_point1_data[i];
+		pr_debug("sensor:%d - calib_data_point1:0x%x, calib_data_point2:0x%x\n",
+			i, tmdev->sensor[i].calib_data_point1,
+			tmdev->sensor[i].calib_data_point2);
 		if (tsens_calibration_mode == TSENS_TWO_POINT_CALIB) {
 			/* slope (m) = adc_code2 - adc_code1 (y2 - y1)/
 				temp_120_degc - temp_30_degc (x2 - x1) */
@@ -976,11 +988,14 @@
 			TSENS_EEPROM_REDUNDANCY_SEL(tmdev->tsens_calib_addr));
 	calib_redun_sel = calib_redun_sel & TSENS_QFPROM_BACKUP_REDUN_SEL;
 	calib_redun_sel >>= TSENS_QFPROM_BACKUP_REDUN_SHIFT;
+	pr_debug("calib_redun_sel:%x\n", calib_redun_sel);
 
-	for (i = 0; i < TSENS_MAIN_CALIB_ADDR_RANGE; i++)
+	for (i = 0; i < TSENS_MAIN_CALIB_ADDR_RANGE; i++) {
 		calib_data[i] = readl_relaxed(
 			(TSENS_EEPROM(tmdev->tsens_calib_addr))
 					+ (i * TSENS_SN_ADDR_OFFSET));
+		pr_debug("calib raw data row%d:0x%x\n", i, calib_data[i]);
+	}
 
 	if (calib_redun_sel == TSENS_QFPROM_BACKUP_SEL) {
 		tsens_calibration_mode = (calib_data[4] & TSENS_CAL_SEL_0_1)
@@ -988,6 +1003,7 @@
 		temp = (calib_data[5] & TSENS_CAL_SEL_2)
 				>> TSENS_CAL_SEL_SHIFT_2;
 		tsens_calibration_mode |= temp;
+		pr_debug("backup calib mode:%x\n", calib_redun_sel);
 
 		for (i = 0; i < TSENS_BACKUP_CALIB_ADDR_RANGE; i++)
 			calib_data_backup[i] = readl_relaxed(
@@ -1073,6 +1089,7 @@
 		temp = (calib_data[3] & TSENS_CAL_SEL_2)
 			>> TSENS_CAL_SEL_SHIFT_2;
 		tsens_calibration_mode |= temp;
+		pr_debug("calib mode scheme:%x\n", tsens_calibration_mode);
 		if ((tsens_calibration_mode == TSENS_ONE_POINT_CALIB) ||
 			(tsens_calibration_mode ==
 					TSENS_ONE_POINT_CALIB_OPTION_2) ||
@@ -1184,6 +1201,7 @@
 
 	if ((tsens_calibration_mode == TSENS_ONE_POINT_CALIB_OPTION_2) ||
 			(tsens_calibration_mode == TSENS_TWO_POINT_CALIB)) {
+		pr_debug("one point calibration calculation\n");
 		calib_tsens_point1_data[0] =
 			((((tsens_base1_data) + tsens0_point1) << 2) |
 						TSENS_BIT_APPEND);
@@ -1261,6 +1279,9 @@
 		int32_t num = 0, den = 0;
 		tmdev->sensor[i].calib_data_point2 = calib_tsens_point2_data[i];
 		tmdev->sensor[i].calib_data_point1 = calib_tsens_point1_data[i];
+		pr_debug("sensor:%d - calib_data_point1:0x%x, calib_data_point2:0x%x\n",
+			i, tmdev->sensor[i].calib_data_point1,
+			tmdev->sensor[i].calib_data_point2);
 		if (tsens_calibration_mode == TSENS_TWO_POINT_CALIB) {
 			/* slope (m) = adc_code2 - adc_code1 (y2 - y1)/
 				temp_120_degc - temp_30_degc (x2 - x1) */
@@ -1273,6 +1294,7 @@
 		tmdev->sensor[i].offset = (tmdev->sensor[i].calib_data_point1 *
 			tmdev->tsens_factor) - (TSENS_CAL_DEGC_POINT1 *
 				tmdev->sensor[i].slope_mul_tsens_factor);
+		pr_debug("offset:%d\n", tmdev->sensor[i].offset);
 		INIT_WORK(&tmdev->sensor[i].work, notify_uspace_tsens_fn);
 		tmdev->prev_reading_avail = false;
 	}
@@ -1373,12 +1395,16 @@
 		"qcom,sensor-id", sensor_id, tsens_num_sensors);
 	if (rc) {
 		pr_debug("Default sensor id mapping\n");
-		for (i = 0; i < tsens_num_sensors; i++)
+		for (i = 0; i < tsens_num_sensors; i++) {
 			tmdev->sensor[i].sensor_hw_num = i;
+			tmdev->sensor[i].sensor_sw_id = i;
+		}
 	} else {
 		pr_debug("Use specified sensor id mapping\n");
-		for (i = 0; i < tsens_num_sensors; i++)
+		for (i = 0; i < tsens_num_sensors; i++) {
 			tmdev->sensor[i].sensor_hw_num = sensor_id[i];
+			tmdev->sensor[i].sensor_sw_id = i;
+		}
 	}
 
 	tmdev->tsens_irq = platform_get_irq(pdev, 0);
diff --git a/drivers/thermal/qpnp-adc-tm.c b/drivers/thermal/qpnp-adc-tm.c
index e7d2e0f..d848a18 100644
--- a/drivers/thermal/qpnp-adc-tm.c
+++ b/drivers/thermal/qpnp-adc-tm.c
@@ -36,6 +36,8 @@
 
 /* QPNP VADC TM register definition */
 #define QPNP_REVISION3					0x2
+#define QPNP_PERPH_SUBTYPE				0x5
+#define QPNP_PERPH_TYPE2				0x2
 #define QPNP_REVISION_EIGHT_CHANNEL_SUPPORT		2
 #define QPNP_STATUS1					0x8
 #define QPNP_STATUS1_OP_MODE				4
@@ -366,7 +368,7 @@
 
 static int32_t qpnp_adc_tm_check_revision(uint32_t btm_chan_num)
 {
-	u8 rev;
+	u8 rev, perph_subtype;
 	int rc = 0;
 
 	rc = qpnp_adc_tm_read_reg(QPNP_REVISION3, &rev);
@@ -375,10 +377,18 @@
 		return rc;
 	}
 
-	if ((rev < QPNP_REVISION_EIGHT_CHANNEL_SUPPORT) &&
-		(btm_chan_num > QPNP_ADC_TM_M4_ADC_CH_SEL_CTL)) {
-		pr_debug("Version does not support more than 5 channels\n");
-		return -EINVAL;
+	rc = qpnp_adc_tm_read_reg(QPNP_PERPH_SUBTYPE, &perph_subtype);
+	if (rc) {
+		pr_err("adc-tm perph_subtype read failed\n");
+		return rc;
+	}
+
+	if (perph_subtype == QPNP_PERPH_TYPE2) {
+		if ((rev < QPNP_REVISION_EIGHT_CHANNEL_SUPPORT) &&
+			(btm_chan_num > QPNP_ADC_TM_M4_ADC_CH_SEL_CTL)) {
+			pr_debug("Version does not support more than 5 channels\n");
+			return -EINVAL;
+		}
 	}
 
 	return rc;
@@ -1584,6 +1594,8 @@
 		adc_tm->sensor[sen_idx].sensor_num = sen_idx;
 		pr_debug("btm_chan:%x, vadc_chan:%x\n", btm_channel_num,
 			adc_tm->adc->adc_channels[sen_idx].channel_num);
+		thermal_node = of_property_read_bool(child,
+					"qcom,thermal-node");
 		if (thermal_node) {
 			/* Register with the thermal zone */
 			pr_debug("thermal node%x\n", btm_channel_num);
diff --git a/drivers/tty/serial/msm_serial_hs.c b/drivers/tty/serial/msm_serial_hs.c
index ad7c702..f695870 100644
--- a/drivers/tty/serial/msm_serial_hs.c
+++ b/drivers/tty/serial/msm_serial_hs.c
@@ -2340,9 +2340,7 @@
 	msm_hs_start_rx_locked(uport);
 
 	spin_unlock_irqrestore(&uport->lock, flags);
-	ret = pm_runtime_set_active(uport->dev);
-	if (ret)
-		dev_err(uport->dev, "set active error:%d\n", ret);
+
 	pm_runtime_enable(uport->dev);
 
 	return 0;
@@ -3180,7 +3178,6 @@
 	cancel_delayed_work_sync(&msm_uport->rx.flip_insert_work);
 	flush_workqueue(msm_uport->hsuart_wq);
 	pm_runtime_disable(uport->dev);
-	pm_runtime_set_suspended(uport->dev);
 
 	/* Disable the transmitter */
 	msm_hs_write(uport, UARTDM_CR_ADDR, UARTDM_CR_TX_DISABLE_BMSK);
diff --git a/drivers/tty/smux_ctl.c b/drivers/tty/smux_ctl.c
index 2e091cc..1b3a7abe 100644
--- a/drivers/tty/smux_ctl.c
+++ b/drivers/tty/smux_ctl.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2012, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -940,6 +940,7 @@
 static int smux_ctl_remove(struct platform_device *pdev)
 {
 	int i;
+	int ret;
 
 	SMUXCTL_DBG(SMUX_CTL_MODULE_NAME ": %s Begins\n", __func__);
 
@@ -950,6 +951,13 @@
 		devp->abort_wait = 1;
 		wake_up(&devp->write_wait_queue);
 		wake_up(&devp->read_wait_queue);
+
+		if (atomic_read(&devp->ref_count)) {
+			ret = msm_smux_close(devp->id);
+			if (ret)
+				pr_err("%s: unable to close ch %d, ret %d\n",
+						__func__, devp->id, ret);
+		}
 		mutex_unlock(&devp->dev_lock);
 
 		/* Empty RX queue */
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 6619e96..fab5219 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -475,6 +475,7 @@
 	void			*mem;
 
 	u8			mode;
+	bool			host_only_mode;
 
 	mem = devm_kzalloc(dev, sizeof(*dwc) + DWC3_ALIGN_MASK, GFP_KERNEL);
 	if (!mem) {
@@ -487,7 +488,7 @@
 	if (!dev->dma_mask)
 		dev->dma_mask = &dwc3_dma_mask;
 	if (!dev->coherent_dma_mask)
-		dev->coherent_dma_mask = DMA_BIT_MASK(32);
+		dev->coherent_dma_mask = DMA_BIT_MASK(64);
 
 	res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
 	if (!res) {
@@ -548,6 +549,7 @@
 		dwc->maximum_speed = DWC3_DCFG_SUPERSPEED;
 
 	dwc->needs_fifo_resize = of_property_read_bool(node, "tx-fifo-resize");
+	host_only_mode = of_property_read_bool(node, "host-only-mode");
 
 	pm_runtime_no_callbacks(dev);
 	pm_runtime_set_active(dev);
@@ -561,6 +563,12 @@
 
 	mode = DWC3_MODE(dwc->hwparams.hwparams0);
 
+	/* Override mode if user selects host-only config with DRD core */
+	if (host_only_mode && (mode == DWC3_MODE_DRD)) {
+		dev_dbg(dev, "host only mode selected\n");
+		mode = DWC3_MODE_HOST;
+	}
+
 	switch (mode) {
 	case DWC3_MODE_DEVICE:
 		dwc3_set_mode(dwc, DWC3_GCTL_PRTCAP_DEVICE);
diff --git a/drivers/usb/dwc3/debugfs.c b/drivers/usb/dwc3/debugfs.c
index 93504eb..df95646 100644
--- a/drivers/usb/dwc3/debugfs.c
+++ b/drivers/usb/dwc3/debugfs.c
@@ -693,9 +693,10 @@
 	list_for_each(ptr, &dep->request_list) {
 		req = list_entry(ptr, struct dwc3_request, list);
 
-		seq_printf(s, "req:0x%p len: %d sts: %d dma:0x%x num_sgs: %d\n",
+		seq_printf(s,
+			"req:0x%p len: %d sts: %d dma:0x%pa num_sgs: %d\n",
 			req, req->request.length, req->request.status,
-			req->request.dma, req->request.num_sgs);
+			&req->request.dma, req->request.num_sgs);
 	}
 	spin_unlock_irqrestore(&dwc->lock, flags);
 
@@ -731,9 +732,10 @@
 	list_for_each(ptr, &dep->req_queued) {
 		req = list_entry(ptr, struct dwc3_request, list);
 
-		seq_printf(s, "req:0x%p len:%d sts:%d dma:%x nsg:%d trb:0x%p\n",
+		seq_printf(s,
+			"req:0x%p len:%d sts:%d dma:%pa nsg:%d trb:0x%p\n",
 			req, req->request.length, req->request.status,
-			req->request.dma, req->request.num_sgs, req->trb);
+			&req->request.dma, req->request.num_sgs, req->trb);
 	}
 	spin_unlock_irqrestore(&dwc->lock, flags);
 
diff --git a/drivers/usb/dwc3/dwc3-msm.c b/drivers/usb/dwc3/dwc3-msm.c
index 7a6765b..924e8f4 100644
--- a/drivers/usb/dwc3/dwc3-msm.c
+++ b/drivers/usb/dwc3/dwc3-msm.c
@@ -127,6 +127,8 @@
 #define DBM_TRB_DMA		0x20000000
 #define DBM_TRB_EP_NUM(ep)	(ep<<24)
 
+#define USB3_PORTSC		(0x430)
+#define PORT_PE			(0x1 << 1)
 /**
  *  USB QSCRATCH Hardware registers
  *
@@ -177,6 +179,9 @@
 	struct regulator	*hsusb_vddcx;
 	struct regulator	*ssusb_1p8;
 	struct regulator	*ssusb_vddcx;
+
+	/* VBUS regulator if no OTG and running in host only mode */
+	struct regulator	*vbus_otg;
 	struct dwc3_ext_xceiv	ext_xceiv;
 	bool			resume_pending;
 	atomic_t                pm_suspended;
@@ -210,6 +215,9 @@
 	bool			vbus_active;
 	bool			ext_inuse;
 	enum dwc3_id_state	id_state;
+	unsigned long		lpm_flags;
+#define MDWC3_CORECLK_OFF		BIT(0)
+#define MDWC3_TCXO_SHUTDOWN		BIT(1)
 };
 
 #define USB_HSPHY_3P3_VOL_MIN		3050000 /* uV */
@@ -1585,6 +1593,7 @@
 	int ret;
 	bool dcp;
 	bool host_bus_suspend;
+	bool host_ss_active;
 
 	dev_dbg(mdwc->dev, "%s: entering lpm\n", __func__);
 
@@ -1593,6 +1602,7 @@
 		return 0;
 	}
 
+	host_ss_active = dwc3_msm_read_reg(mdwc->base, USB3_PORTSC) & PORT_PE;
 	if (mdwc->hs_phy_irq)
 		disable_irq(mdwc->hs_phy_irq);
 
@@ -1606,7 +1616,8 @@
 								0x37, 0x0);
 	}
 
-	dcp = mdwc->charger.chg_type == DWC3_DCP_CHARGER;
+	dcp = ((mdwc->charger.chg_type == DWC3_DCP_CHARGER) ||
+	      (mdwc->charger.chg_type == DWC3_PROPRIETARY_CHARGER));
 	host_bus_suspend = mdwc->host_mode == 1;
 
 	/* Sequence to put SSPHY in low power state:
@@ -1661,14 +1672,19 @@
 
 	/* make sure above writes are completed before turning off clocks */
 	wmb();
-	clk_disable_unprepare(mdwc->core_clk);
+	if (!host_bus_suspend || !host_ss_active) {
+		clk_disable_unprepare(mdwc->core_clk);
+		mdwc->lpm_flags |= MDWC3_CORECLK_OFF;
+	}
 	clk_disable_unprepare(mdwc->iface_clk);
 
-	if (!host_bus_suspend) {
+	if (!host_bus_suspend)
 		clk_disable_unprepare(mdwc->utmi_clk);
 
+	if (!host_bus_suspend) {
 		/* USB PHY no more requires TCXO */
 		clk_disable_unprepare(mdwc->xo_clk);
+		mdwc->lpm_flags |= MDWC3_TCXO_SHUTDOWN;
 	}
 
 	if (mdwc->bus_perf_client) {
@@ -1684,15 +1700,19 @@
 
 	dwc3_ssusb_ldo_enable(0);
 	dwc3_ssusb_config_vddcx(0);
-	if (!host_bus_suspend)
+	if (!host_bus_suspend && !dcp)
 		dwc3_hsusb_config_vddcx(0);
 	wake_unlock(&mdwc->wlock);
 	atomic_set(&mdwc->in_lpm, 1);
 
 	dev_info(mdwc->dev, "DWC3 in low power mode\n");
 
-	if (mdwc->hs_phy_irq)
+	if (mdwc->hs_phy_irq) {
 		enable_irq(mdwc->hs_phy_irq);
+		/* with DCP we dont require wakeup using HS_PHY_IRQ */
+		if (dcp)
+			disable_irq_wake(mdwc->hs_phy_irq);
+	}
 
 	return 0;
 }
@@ -1719,17 +1739,22 @@
 			dev_err(mdwc->dev, "Failed to vote for bus scaling\n");
 	}
 
-	dcp = mdwc->charger.chg_type == DWC3_DCP_CHARGER;
+	dcp = ((mdwc->charger.chg_type == DWC3_DCP_CHARGER) ||
+	      (mdwc->charger.chg_type == DWC3_PROPRIETARY_CHARGER));
 	host_bus_suspend = mdwc->host_mode == 1;
 
-	if (!host_bus_suspend) {
+	if (mdwc->lpm_flags & MDWC3_TCXO_SHUTDOWN) {
 		/* Vote for TCXO while waking up USB HSPHY */
 		ret = clk_prepare_enable(mdwc->xo_clk);
 		if (ret)
 			dev_err(mdwc->dev, "%s failed to vote TCXO buffer%d\n",
 						__func__, ret);
+		mdwc->lpm_flags &= ~MDWC3_TCXO_SHUTDOWN;
 	}
 
+	if (!host_bus_suspend)
+		clk_prepare_enable(mdwc->utmi_clk);
+
 	if (mdwc->otg_xceiv && mdwc->ext_xceiv.otg_capability && !dcp &&
 							!host_bus_suspend)
 		dwc3_hsusb_ldo_enable(1);
@@ -1737,16 +1762,17 @@
 	dwc3_ssusb_ldo_enable(1);
 	dwc3_ssusb_config_vddcx(1);
 
-	if (!host_bus_suspend) {
+	if (!host_bus_suspend && !dcp)
 		dwc3_hsusb_config_vddcx(1);
-		clk_prepare_enable(mdwc->utmi_clk);
-	}
 
 	clk_prepare_enable(mdwc->ref_clk);
 	usleep_range(1000, 1200);
 
 	clk_prepare_enable(mdwc->iface_clk);
-	clk_prepare_enable(mdwc->core_clk);
+	if (mdwc->lpm_flags & MDWC3_CORECLK_OFF) {
+		clk_prepare_enable(mdwc->core_clk);
+		mdwc->lpm_flags &= ~MDWC3_CORECLK_OFF;
+	}
 
 	if (host_bus_suspend) {
 		/* Disable HV interrupt */
@@ -1809,6 +1835,9 @@
 		enable_irq(mdwc->hs_phy_irq);
 		mdwc->lpm_irq_seen = false;
 	}
+	/* it must DCP disconnect, re-enable HS_PHY wakeup IRQ */
+	if (mdwc->hs_phy_irq && dcp)
+		enable_irq_wake(mdwc->hs_phy_irq);
 
 	dev_info(mdwc->dev, "DWC3 exited from low power mode\n");
 
@@ -1838,7 +1867,7 @@
 		if (mdwc->otg_xceiv)
 			mdwc->ext_xceiv.notify_ext_events(mdwc->otg_xceiv->otg,
 							DWC3_EVENT_PHY_RESUME);
-		pm_runtime_put_sync(mdwc->dev);
+		pm_runtime_put_noidle(mdwc->dev);
 		if (mdwc->otg_xceiv && (mdwc->ext_xceiv.otg_capability))
 			mdwc->ext_xceiv.notify_ext_events(mdwc->otg_xceiv->otg,
 							DWC3_EVENT_XCEIV_STATE);
@@ -2529,24 +2558,28 @@
 		goto disable_hs_ldo;
 	}
 
-	msm->usb_psy.name = "usb";
-	msm->usb_psy.type = POWER_SUPPLY_TYPE_USB;
-	msm->usb_psy.supplied_to = dwc3_msm_pm_power_supplied_to;
-	msm->usb_psy.num_supplicants = ARRAY_SIZE(
-					dwc3_msm_pm_power_supplied_to);
-	msm->usb_psy.properties = dwc3_msm_pm_power_props_usb;
-	msm->usb_psy.num_properties = ARRAY_SIZE(dwc3_msm_pm_power_props_usb);
-	msm->usb_psy.get_property = dwc3_msm_power_get_property_usb;
-	msm->usb_psy.set_property = dwc3_msm_power_set_property_usb;
-	msm->usb_psy.external_power_changed =
-				dwc3_msm_external_power_changed;
+	/* usb_psy required only for vbus_notifications or charging support */
+	if (msm->ext_xceiv.otg_capability || !msm->charger.charging_disabled) {
+		msm->usb_psy.name = "usb";
+		msm->usb_psy.type = POWER_SUPPLY_TYPE_USB;
+		msm->usb_psy.supplied_to = dwc3_msm_pm_power_supplied_to;
+		msm->usb_psy.num_supplicants = ARRAY_SIZE(
+						dwc3_msm_pm_power_supplied_to);
+		msm->usb_psy.properties = dwc3_msm_pm_power_props_usb;
+		msm->usb_psy.num_properties =
+					ARRAY_SIZE(dwc3_msm_pm_power_props_usb);
+		msm->usb_psy.get_property = dwc3_msm_power_get_property_usb;
+		msm->usb_psy.set_property = dwc3_msm_power_set_property_usb;
+		msm->usb_psy.external_power_changed =
+					dwc3_msm_external_power_changed;
 
-	ret = power_supply_register(&pdev->dev, &msm->usb_psy);
-	if (ret < 0) {
-		dev_err(&pdev->dev,
-				"%s:power_supply_register usb failed\n",
-					__func__);
-		goto disable_hs_ldo;
+		ret = power_supply_register(&pdev->dev, &msm->usb_psy);
+		if (ret < 0) {
+			dev_err(&pdev->dev,
+					"%s:power_supply_register usb failed\n",
+						__func__);
+			goto disable_hs_ldo;
+		}
 	}
 
 	if (node) {
@@ -2571,7 +2604,8 @@
 	}
 
 	msm->otg_xceiv = usb_get_transceiver();
-	if (msm->otg_xceiv) {
+	/* Register with OTG if present, ignore USB2 OTG using other PHY */
+	if (msm->otg_xceiv && !(msm->otg_xceiv->flags & ENABLE_SECONDARY_PHY)) {
 		msm->charger.start_detection = dwc3_start_chg_det;
 		ret = dwc3_set_charger(msm->otg_xceiv->otg, &msm->charger);
 		if (ret || !msm->charger.notify_detection_complete) {
@@ -2589,7 +2623,20 @@
 			goto put_xcvr;
 		}
 	} else {
-		dev_err(&pdev->dev, "%s: No OTG transceiver found\n", __func__);
+		dev_dbg(&pdev->dev, "No OTG, DWC3 running in host only mode\n");
+		msm->host_mode = 1;
+		msm->vbus_otg = devm_regulator_get(&pdev->dev, "vbus_dwc3");
+		if (IS_ERR(msm->vbus_otg)) {
+			dev_dbg(&pdev->dev, "Failed to get vbus regulator\n");
+			msm->vbus_otg = 0;
+		} else {
+			ret = regulator_enable(msm->vbus_otg);
+			if (ret) {
+				msm->vbus_otg = 0;
+				dev_err(&pdev->dev, "Failed to enable vbus_otg\n");
+			}
+		}
+		msm->otg_xceiv = NULL;
 	}
 
 	wake_lock_init(&msm->wlock, WAKE_LOCK_SUSPEND, "msm_dwc3");
@@ -2601,7 +2648,8 @@
 put_xcvr:
 	usb_put_transceiver(msm->otg_xceiv);
 put_psupply:
-	power_supply_unregister(&msm->usb_psy);
+	if (msm->usb_psy.dev)
+		power_supply_unregister(&msm->usb_psy);
 disable_hs_ldo:
 	dwc3_hsusb_ldo_enable(0);
 free_hs_ldo_init:
@@ -2650,6 +2698,10 @@
 		dwc3_start_chg_det(&msm->charger, false);
 		usb_put_transceiver(msm->otg_xceiv);
 	}
+	if (msm->usb_psy.dev)
+		power_supply_unregister(&msm->usb_psy);
+	if (msm->vbus_otg)
+		regulator_disable(msm->vbus_otg);
 
 	pm_runtime_disable(msm->dev);
 	wake_lock_destroy(&msm->wlock);
diff --git a/drivers/usb/dwc3/dwc3_otg.c b/drivers/usb/dwc3/dwc3_otg.c
index 1d67cee..a3b2617 100644
--- a/drivers/usb/dwc3/dwc3_otg.c
+++ b/drivers/usb/dwc3/dwc3_otg.c
@@ -198,8 +198,6 @@
 	} else {
 		dev_dbg(otg->phy->dev, "%s: turn off host\n", __func__);
 
-		platform_device_del(dwc->xhci);
-
 		ret = regulator_disable(dotg->vbus_otg);
 		if (ret) {
 			dev_err(otg->phy->dev, "unable to disable vbus_otg\n");
@@ -207,6 +205,7 @@
 		}
 		dwc3_otg_notify_host_mode(otg, on);
 
+		platform_device_del(dwc->xhci);
 		/*
 		 * Perform USB hardware RESET (both core reset and DBM reset)
 		 * when moving from host to peripheral. This is required for
diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c
index d6d8a76..420d030 100644
--- a/drivers/usb/dwc3/host.c
+++ b/drivers/usb/dwc3/host.c
@@ -79,6 +79,7 @@
 
 	/* Add XHCI device if !OTG, otherwise OTG takes care of this */
 	if (!dwc->dotg) {
+		xhci->dev.parent = dwc->dev;
 		ret = platform_device_add(xhci);
 		if (ret) {
 			dev_err(dwc->dev, "failed to register xHCI device\n");
diff --git a/drivers/usb/gadget/ci13xxx_udc.c b/drivers/usb/gadget/ci13xxx_udc.c
index 6fca910..d0ebda1 100644
--- a/drivers/usb/gadget/ci13xxx_udc.c
+++ b/drivers/usb/gadget/ci13xxx_udc.c
@@ -445,7 +445,8 @@
 	int n = hw_ep_bit(num, dir);
 	struct ci13xxx_ep *mEp = &_udc->ci13xxx_ep[n];
 
-	if (_udc->skip_flush || list_empty(&mEp->qh.queue))
+	/* Flush ep0 even when queue is empty */
+	if (_udc->skip_flush || (num && list_empty(&mEp->qh.queue)))
 		return 0;
 
 	start = ktime_get();
@@ -2107,7 +2108,18 @@
 	if (mReq->zptr) {
 		if ((TD_STATUS_ACTIVE & mReq->zptr->token) != 0)
 			return -EBUSY;
-		dma_pool_free(mEp->td_pool, mReq->zptr, mReq->zdma);
+
+		/* The controller may access this dTD one more time.
+		 * Defer freeing this to next zero length dTD completion.
+		 * It is safe to assume that controller will no longer
+		 * access the previous dTD after next dTD completion.
+		 */
+		if (mEp->last_zptr)
+			dma_pool_free(mEp->td_pool, mEp->last_zptr,
+					mEp->last_zdma);
+		mEp->last_zptr = mReq->zptr;
+		mEp->last_zdma = mReq->zdma;
+
 		mReq->zptr = NULL;
 	}
 
@@ -2259,9 +2271,10 @@
 	usb_ep_fifo_flush(&udc->ep0out.ep);
 	usb_ep_fifo_flush(&udc->ep0in.ep);
 
-	if (udc->status != NULL) {
-		usb_ep_free_request(&udc->ep0in.ep, udc->status);
-		udc->status = NULL;
+	if (udc->ep0in.last_zptr) {
+		dma_pool_free(udc->ep0in.td_pool, udc->ep0in.last_zptr,
+				udc->ep0in.last_zdma);
+		udc->ep0in.last_zptr = NULL;
 	}
 
 	return 0;
@@ -2316,10 +2329,6 @@
 	if (retval)
 		goto done;
 
-	udc->status = usb_ep_alloc_request(&udc->ep0in.ep, GFP_ATOMIC);
-	if (udc->status == NULL)
-		retval = -ENOMEM;
-
 	spin_lock(udc->lock);
 
  done:
@@ -2388,8 +2397,8 @@
 		return;
 	}
 
-	kfree(req->buf);
-	usb_ep_free_request(ep, req);
+	if (req->status)
+		err("GET_STATUS failed");
 }
 
 /**
@@ -2405,8 +2414,7 @@
 __acquires(mEp->lock)
 {
 	struct ci13xxx_ep *mEp = &udc->ep0in;
-	struct usb_request *req = NULL;
-	gfp_t gfp_flags = GFP_ATOMIC;
+	struct usb_request *req = udc->status;
 	int dir, num, retval;
 
 	trace("%p, %p", mEp, setup);
@@ -2414,19 +2422,9 @@
 	if (mEp == NULL || setup == NULL)
 		return -EINVAL;
 
-	spin_unlock(mEp->lock);
-	req = usb_ep_alloc_request(&mEp->ep, gfp_flags);
-	spin_lock(mEp->lock);
-	if (req == NULL)
-		return -ENOMEM;
-
 	req->complete = isr_get_status_complete;
 	req->length   = 2;
-	req->buf      = kzalloc(req->length, gfp_flags);
-	if (req->buf == NULL) {
-		retval = -ENOMEM;
-		goto err_free_req;
-	}
+	req->buf      = udc->status_buf;
 
 	if ((setup->bRequestType & USB_RECIP_MASK) == USB_RECIP_DEVICE) {
 		if (setup->wIndex == OTG_STATUS_SELECTOR) {
@@ -2449,18 +2447,7 @@
 	/* else do nothing; reserved for future use */
 
 	spin_unlock(mEp->lock);
-	retval = usb_ep_queue(&mEp->ep, req, gfp_flags);
-	spin_lock(mEp->lock);
-	if (retval)
-		goto err_free_buf;
-
-	return 0;
-
- err_free_buf:
-	kfree(req->buf);
- err_free_req:
-	spin_unlock(mEp->lock);
-	usb_ep_free_request(&mEp->ep, req);
+	retval = usb_ep_queue(&mEp->ep, req, GFP_ATOMIC);
 	spin_lock(mEp->lock);
 	return retval;
 }
@@ -2503,11 +2490,9 @@
 	trace("%p", udc);
 
 	mEp = (udc->ep0_dir == TX) ? &udc->ep0out : &udc->ep0in;
-	if (udc->status) {
-		udc->status->context = udc;
-		udc->status->complete = isr_setup_status_complete;
-	} else
-		return -EINVAL;
+	udc->status->context = udc;
+	udc->status->complete = isr_setup_status_complete;
+	udc->status->length = 0;
 
 	spin_unlock(mEp->lock);
 	retval = usb_ep_queue(&mEp->ep, udc->status, GFP_ATOMIC);
@@ -2941,6 +2926,12 @@
 
 	} while (mEp->dir != direction);
 
+	if (mEp->last_zptr) {
+		dma_pool_free(mEp->td_pool, mEp->last_zptr,
+				mEp->last_zdma);
+		mEp->last_zptr = NULL;
+	}
+
 	mEp->desc = NULL;
 	mEp->ep.desc = NULL;
 	mEp->ep.maxpacket = USHRT_MAX;
@@ -3475,6 +3466,14 @@
 	retval = usb_ep_enable(&udc->ep0in.ep);
 	if (retval)
 		return retval;
+	udc->status = usb_ep_alloc_request(&udc->ep0in.ep, GFP_KERNEL);
+	if (!udc->status)
+		return -ENOMEM;
+	udc->status_buf = kzalloc(2, GFP_KERNEL); /* for GET_STATUS */
+	if (!udc->status_buf) {
+		usb_ep_free_request(&udc->ep0in.ep, udc->status);
+		return -ENOMEM;
+	}
 	spin_lock_irqsave(udc->lock, flags);
 
 	udc->gadget.ep0 = &udc->ep0in.ep;
@@ -3558,6 +3557,9 @@
 	driver->unbind(&udc->gadget);               /* MAY SLEEP */
 	spin_lock_irqsave(udc->lock, flags);
 
+	usb_ep_free_request(&udc->ep0in.ep, udc->status);
+	kfree(udc->status_buf);
+
 	udc->gadget.dev.driver = NULL;
 
 	/* free resources */
diff --git a/drivers/usb/gadget/ci13xxx_udc.h b/drivers/usb/gadget/ci13xxx_udc.h
index 3145418..1530474 100644
--- a/drivers/usb/gadget/ci13xxx_udc.h
+++ b/drivers/usb/gadget/ci13xxx_udc.h
@@ -115,6 +115,8 @@
 	spinlock_t                            *lock;
 	struct device                         *device;
 	struct dma_pool                       *td_pool;
+	struct ci13xxx_td                     *last_zptr;
+	dma_addr_t                            last_zdma;
 	unsigned long dTD_update_fail_count;
 	unsigned long			      prime_fail_count;
 	int				      prime_timer_count;
@@ -153,6 +155,7 @@
 	struct dma_pool           *qh_pool;   /* DMA pool for queue heads */
 	struct dma_pool           *td_pool;   /* DMA pool for transfer descs */
 	struct usb_request        *status;    /* ep0 status request */
+	void                      *status_buf;/* GET_STATUS buffer */
 
 	struct usb_gadget          gadget;     /* USB slave device */
 	struct ci13xxx_ep          ci13xxx_ep[ENDPT_MAX]; /* extended endpts */
diff --git a/drivers/usb/gadget/f_diag.c b/drivers/usb/gadget/f_diag.c
index 3b1843b..3355e19 100644
--- a/drivers/usb/gadget/f_diag.c
+++ b/drivers/usb/gadget/f_diag.c
@@ -139,9 +139,6 @@
  * @out_desc: USB OUT endpoint descriptor struct
  * @read_pool: List of requests used for Rx (OUT ep)
  * @write_pool: List of requests used for Tx (IN ep)
- * @config_work: Work item schedule after interface is configured to notify
- *               CONNECT event to diag char driver and updating product id
- *               and serial number to MODEM/IMEM.
  * @lock: Spinlock to proctect read_pool, write_pool lists
  * @cdev: USB composite device struct
  * @ch: USB diag channel
@@ -153,7 +150,6 @@
 	struct usb_ep *in;
 	struct list_head read_pool;
 	struct list_head write_pool;
-	struct work_struct config_work;
 	spinlock_t lock;
 	unsigned configured;
 	struct usb_composite_dev *cdev;
@@ -176,21 +172,20 @@
 	return container_of(f, struct diag_context, function);
 }
 
-static void usb_config_work_func(struct work_struct *work)
+static void diag_update_pid_and_serial_num(struct diag_context *ctxt)
 {
-	struct diag_context *ctxt = container_of(work,
-			struct diag_context, config_work);
 	struct usb_composite_dev *cdev = ctxt->cdev;
 	struct usb_gadget_strings *table;
 	struct usb_string *s;
 
-	if (!ctxt->ch)
+	if (!ctxt->update_pid_and_serial_num)
 		return;
 
-	if (ctxt->ch->notify)
-		ctxt->ch->notify(ctxt->ch->priv, USB_DIAG_CONNECT, NULL);
-
-	if (!ctxt->update_pid_and_serial_num)
+	/*
+	 * update pid and serail number to dload only if diag
+	 * interface is zeroth interface.
+	 */
+	if (intf_desc.bInterfaceNumber)
 		return;
 
 	/* pass on product id and serial number to dload */
@@ -612,7 +607,6 @@
 		usb_ep_disable(dev->in);
 		return rc;
 	}
-	schedule_work(&dev->config_work);
 
 	dev->dpkts_tolaptop = 0;
 	dev->dpkts_tomodem = 0;
@@ -622,6 +616,9 @@
 	dev->configured = 1;
 	spin_unlock_irqrestore(&dev->lock, flags);
 
+	if (dev->ch->notify)
+		dev->ch->notify(dev->ch->priv, USB_DIAG_CONNECT, NULL);
+
 	return rc;
 }
 
@@ -699,6 +696,7 @@
 		if (!f->ss_descriptors)
 			goto fail;
 	}
+	diag_update_pid_and_serial_num(ctxt);
 	return 0;
 fail:
 	if (f->ss_descriptors)
@@ -761,7 +759,6 @@
 	spin_lock_init(&dev->lock);
 	INIT_LIST_HEAD(&dev->read_pool);
 	INIT_LIST_HEAD(&dev->write_pool);
-	INIT_WORK(&dev->config_work, usb_config_work_func);
 
 	ret = usb_add_function(c, &dev->function);
 	if (ret) {
diff --git a/drivers/usb/gadget/f_qc_ecm.c b/drivers/usb/gadget/f_qc_ecm.c
index 51f0e50..8e7cbb2 100644
--- a/drivers/usb/gadget/f_qc_ecm.c
+++ b/drivers/usb/gadget/f_qc_ecm.c
@@ -430,8 +430,6 @@
 
 	bam_data_disconnect(&ecm_qc_bam_port, 0);
 
-	ecm_ipa_cleanup(ipa_params.ipa_priv);
-
 	return 0;
 }
 
@@ -849,6 +847,10 @@
 	usb_ep_free_request(ecm->notify, ecm->notify_req);
 
 	ecm_qc_string_defs[1].s = NULL;
+
+	if (ecm->xport == USB_GADGET_XPORT_BAM2BAM_IPA)
+		ecm_ipa_cleanup(ipa_params.ipa_priv);
+
 	kfree(ecm);
 }
 
diff --git a/drivers/usb/gadget/f_rndis.c b/drivers/usb/gadget/f_rndis.c
index f3c6481..1017900 100644
--- a/drivers/usb/gadget/f_rndis.c
+++ b/drivers/usb/gadget/f_rndis.c
@@ -25,11 +25,6 @@
 #include "u_ether.h"
 #include "rndis.h"
 
-static bool rndis_multipacket_dl_disable;
-module_param(rndis_multipacket_dl_disable, bool, S_IRUGO|S_IWUSR);
-MODULE_PARM_DESC(rndis_multipacket_dl_disable,
-	"Disable RNDIS Multi-packet support in DownLink");
-
 /*
  * This function is an RNDIS Ethernet port -- a Microsoft protocol that's
  * been promoted instead of the standard CDC Ethernet.  The published RNDIS
@@ -71,6 +66,16 @@
  *   - MS-Windows drivers sometimes emit undocumented requests.
  */
 
+static bool rndis_multipacket_dl_disable;
+module_param(rndis_multipacket_dl_disable, bool, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(rndis_multipacket_dl_disable,
+	"Disable RNDIS Multi-packet support in DownLink");
+
+static unsigned int rndis_ul_max_pkt_per_xfer = 1;
+module_param(rndis_ul_max_pkt_per_xfer, uint, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(rndis_ul_max_pkt_per_xfer,
+	"Disable RNDIS Multi-packet support in DownLink");
+
 struct f_rndis {
 	struct gether			port;
 	u8				ctrl_id, data_id;
@@ -799,6 +804,7 @@
 
 	rndis_set_param_medium(rndis->config, NDIS_MEDIUM_802_3, 0);
 	rndis_set_host_mac(rndis->config, rndis->ethaddr);
+	rndis_set_max_pkt_xfer(rndis->config, rndis_ul_max_pkt_per_xfer);
 
 	if (rndis->manufacturer && rndis->vendorID &&
 			rndis_set_param_vendor(rndis->config, rndis->vendorID,
@@ -945,6 +951,7 @@
 	rndis->port.header_len = sizeof(struct rndis_packet_msg_type);
 	rndis->port.wrap = rndis_add_header;
 	rndis->port.unwrap = rndis_rm_hdr;
+	rndis->port.ul_max_pkts_per_xfer = rndis_ul_max_pkt_per_xfer;
 
 	rndis->port.func.name = "rndis";
 	rndis->port.func.strings = rndis_strings;
diff --git a/drivers/usb/gadget/rndis.c b/drivers/usb/gadget/rndis.c
index 7ac5b64..07f4d26 100644
--- a/drivers/usb/gadget/rndis.c
+++ b/drivers/usb/gadget/rndis.c
@@ -59,6 +59,16 @@
 
 #define RNDIS_MAX_CONFIGS	1
 
+int rndis_ul_max_pkt_per_xfer_rcvd;
+module_param(rndis_ul_max_pkt_per_xfer_rcvd, int, S_IRUGO);
+MODULE_PARM_DESC(rndis_ul_max_pkt_per_xfer_rcvd,
+	"Max num of REMOTE_NDIS_PACKET_MSGs received in a single transfer");
+
+int rndis_ul_max_xfer_size_rcvd;
+module_param(rndis_ul_max_xfer_size_rcvd, int, S_IRUGO);
+MODULE_PARM_DESC(rndis_ul_max_xfer_size_rcvd,
+	"Max size of bus transfer received");
+
 
 static rndis_params rndis_per_dev_params[RNDIS_MAX_CONFIGS];
 
@@ -590,7 +600,6 @@
 		(params->dev->mtu
 		+ sizeof(struct ethhdr)
 		+ sizeof(struct rndis_packet_msg_type)
-
 		+ 22));
 	resp->PacketAlignmentFactor = cpu_to_le32(params->pkt_alignment_factor);
 	resp->AFListOffset = cpu_to_le32(0);
@@ -1051,25 +1060,77 @@
 			struct sk_buff *skb,
 			struct sk_buff_head *list)
 {
-	/* tmp points to a struct rndis_packet_msg_type */
-	__le32 *tmp = (void *)skb->data;
+	int num_pkts = 1;
 
-	/* MessageType, MessageLength */
-	if (cpu_to_le32(REMOTE_NDIS_PACKET_MSG)
-			!= get_unaligned(tmp++)) {
-		dev_kfree_skb_any(skb);
-		return -EINVAL;
-	}
-	tmp++;
+	if (skb->len > rndis_ul_max_xfer_size_rcvd)
+		rndis_ul_max_xfer_size_rcvd = skb->len;
 
-	/* DataOffset, DataLength */
-	if (!skb_pull(skb, get_unaligned_le32(tmp++) + 8)) {
-		dev_kfree_skb_any(skb);
-		return -EOVERFLOW;
+	while (skb->len) {
+		struct rndis_packet_msg_type *hdr;
+		struct sk_buff		*skb2;
+		u32		msg_len, data_offset, data_len;
+
+		/* some rndis hosts send extra byte to avoid zlp, ignore it */
+		if (skb->len == 1) {
+			dev_kfree_skb_any(skb);
+			return 0;
+		}
+
+		if (skb->len < sizeof *hdr) {
+			pr_err("invalid rndis pkt: skblen:%u hdr_len:%u",
+					skb->len, sizeof *hdr);
+			dev_kfree_skb_any(skb);
+			return -EINVAL;
+		}
+
+		hdr = (void *)skb->data;
+		msg_len = le32_to_cpu(hdr->MessageLength);
+		data_offset = le32_to_cpu(hdr->DataOffset);
+		data_len = le32_to_cpu(hdr->DataLength);
+
+		if (skb->len < msg_len ||
+			((data_offset + data_len + 8) > msg_len)) {
+			pr_err("invalid rndis message: %d/%d/%d/%d, len:%d\n",
+				le32_to_cpu(hdr->MessageType),
+				msg_len, data_offset, data_len, skb->len);
+			dev_kfree_skb_any(skb);
+			return -EOVERFLOW;
+		}
+
+		if (le32_to_cpu(hdr->MessageType) != REMOTE_NDIS_PACKET_MSG) {
+			pr_err("invalid rndis message: %d/%d/%d/%d, len:%d\n",
+				le32_to_cpu(hdr->MessageType),
+				msg_len, data_offset, data_len, skb->len);
+			dev_kfree_skb_any(skb);
+			return -EINVAL;
+		}
+
+		skb_pull(skb, data_offset + 8);
+
+		if (msg_len == skb->len) {
+			skb_trim(skb, data_len);
+			break;
+		}
+
+		skb2 = skb_clone(skb, GFP_ATOMIC);
+		if (!skb2) {
+			pr_err("%s:skb clone failed\n", __func__);
+			dev_kfree_skb_any(skb);
+			return -ENOMEM;
+		}
+
+		skb_pull(skb, msg_len - sizeof *hdr);
+		skb_trim(skb2, data_len);
+		skb_queue_tail(list, skb2);
+
+		num_pkts++;
 	}
-	skb_trim(skb, get_unaligned_le32(tmp++));
+
+	if (num_pkts > rndis_ul_max_pkt_per_xfer_rcvd)
+		rndis_ul_max_pkt_per_xfer_rcvd = num_pkts;
 
 	skb_queue_tail(list, skb);
+
 	return 0;
 }
 
diff --git a/drivers/usb/gadget/rndis.h b/drivers/usb/gadget/rndis.h
index 8a6a630..d00f81f 100644
--- a/drivers/usb/gadget/rndis.h
+++ b/drivers/usb/gadget/rndis.h
@@ -252,6 +252,7 @@
 int  rndis_set_param_vendor (u8 configNr, u32 vendorID,
 			    const char *vendorDescr);
 int  rndis_set_param_medium (u8 configNr, u32 medium, u32 speed);
+void rndis_set_max_pkt_xfer(u8 configNr, u8 max_pkt_per_xfer);
 void rndis_add_hdr (struct sk_buff *skb);
 int rndis_rm_hdr(struct gether *port, struct sk_buff *skb,
 			struct sk_buff_head *list);
diff --git a/drivers/usb/gadget/u_bam.c b/drivers/usb/gadget/u_bam.c
index 3768b46..c05f683 100644
--- a/drivers/usb/gadget/u_bam.c
+++ b/drivers/usb/gadget/u_bam.c
@@ -717,6 +717,7 @@
 	ipa_notify_cb usb_notify_cb;
 	void *priv;
 	int ret;
+	unsigned long flags;
 
 	if (d->trans == USB_GADGET_XPORT_BAM2BAM) {
 		ret = usb_bam_connect(d->src_connection_idx, &d->src_pipe_idx);
@@ -769,9 +770,21 @@
 		}
 	}
 
-	d->rx_req = usb_ep_alloc_request(port->port_usb->out, GFP_KERNEL);
-	if (!d->rx_req)
+	spin_lock_irqsave(&port->port_lock_ul, flags);
+	spin_lock(&port->port_lock_dl);
+	if (!port->port_usb) {
+		pr_debug("%s: usb cable is disconnected, exiting\n", __func__);
+		spin_unlock(&port->port_lock_dl);
+		spin_unlock_irqrestore(&port->port_lock_ul, flags);
 		return;
+	}
+	d->rx_req = usb_ep_alloc_request(port->port_usb->out, GFP_ATOMIC);
+	if (!d->rx_req) {
+		spin_unlock(&port->port_lock_dl);
+		spin_unlock_irqrestore(&port->port_lock_ul, flags);
+		pr_err("%s: out of memory\n", __func__);
+		return;
+	}
 
 	d->rx_req->context = port;
 	d->rx_req->complete = gbam_endless_rx_complete;
@@ -779,9 +792,14 @@
 	sps_params = (MSM_SPS_MODE | d->src_pipe_idx |
 				 MSM_VENDOR_ID) & ~MSM_IS_FINITE_TRANSFER;
 	d->rx_req->udc_priv = sps_params;
-	d->tx_req = usb_ep_alloc_request(port->port_usb->in, GFP_KERNEL);
-	if (!d->tx_req)
+
+	d->tx_req = usb_ep_alloc_request(port->port_usb->in, GFP_ATOMIC);
+	spin_unlock(&port->port_lock_dl);
+	spin_unlock_irqrestore(&port->port_lock_ul, flags);
+	if (!d->tx_req) {
+		pr_err("%s: out of memory\n", __func__);
 		return;
+	}
 
 	d->tx_req->context = port;
 	d->tx_req->complete = gbam_endless_tx_complete;
diff --git a/drivers/usb/gadget/u_ether.c b/drivers/usb/gadget/u_ether.c
index 2d974ab..d4c21dd 100644
--- a/drivers/usb/gadget/u_ether.c
+++ b/drivers/usb/gadget/u_ether.c
@@ -70,6 +70,7 @@
 	struct sk_buff_head	rx_frames;
 
 	unsigned		header_len;
+	unsigned		ul_max_pkts_per_xfer;
 	struct sk_buff		*(*wrap)(struct gether *, struct sk_buff *skb);
 	int			(*unwrap)(struct gether *,
 						struct sk_buff *skb,
@@ -233,9 +234,13 @@
 	size += out->maxpacket - 1;
 	size -= size % out->maxpacket;
 
+	if (dev->ul_max_pkts_per_xfer)
+		size *= dev->ul_max_pkts_per_xfer;
+
 	if (dev->port_usb->is_fixed)
 		size = max_t(size_t, size, dev->port_usb->fixed_out_len);
 
+	pr_debug("%s: size: %d", __func__, size);
 	skb = alloc_skb(size + NET_IP_ALIGN, gfp_flags);
 	if (skb == NULL) {
 		DBG(dev, "no rx skb\n");
@@ -1076,6 +1081,7 @@
 		dev->header_len = link->header_len;
 		dev->unwrap = link->unwrap;
 		dev->wrap = link->wrap;
+		dev->ul_max_pkts_per_xfer = link->ul_max_pkts_per_xfer;
 
 		spin_lock(&dev->lock);
 		dev->tx_skb_hold_count = 0;
diff --git a/drivers/usb/gadget/u_ether.h b/drivers/usb/gadget/u_ether.h
index faa9a3b..7040ab0 100644
--- a/drivers/usb/gadget/u_ether.h
+++ b/drivers/usb/gadget/u_ether.h
@@ -53,6 +53,8 @@
 	bool				is_fixed;
 	u32				fixed_out_len;
 	u32				fixed_in_len;
+
+	unsigned			ul_max_pkts_per_xfer;
 /* Max number of SKB packets to be used to create Multi Packet RNDIS */
 #define TX_SKB_HOLD_THRESHOLD		3
 	bool				multi_pkt_xfer;
diff --git a/drivers/usb/gadget/u_rmnet_ctrl_qti.c b/drivers/usb/gadget/u_rmnet_ctrl_qti.c
index e92978f..182cd40 100644
--- a/drivers/usb/gadget/u_rmnet_ctrl_qti.c
+++ b/drivers/usb/gadget/u_rmnet_ctrl_qti.c
@@ -259,20 +259,6 @@
 		return -EBUSY;
 	}
 
-	/* block until online */
-	while (!(atomic_read(&port->connected))) {
-		pr_debug("Not connected. Wait.\n");
-		ret = wait_event_interruptible(port->read_wq,
-			atomic_read(&port->connected));
-		if (ret < 0) {
-			rmnet_ctrl_unlock(&port->read_excl);
-			if (ret == -ERESTARTSYS)
-				return -ERESTARTSYS;
-			else
-				return -EINTR;
-		}
-	}
-
 	/* block until a new packet is available */
 	do {
 		spin_lock_irqsave(&port->lock, flags);
diff --git a/drivers/usb/host/ehci-msm-hsic.c b/drivers/usb/host/ehci-msm-hsic.c
index 4a085aa..ede8bdb 100644
--- a/drivers/usb/host/ehci-msm-hsic.c
+++ b/drivers/usb/host/ehci-msm-hsic.c
@@ -78,6 +78,7 @@
 	struct clk		*alt_core_clk;
 	struct clk		*phy_clk;
 	struct clk		*cal_clk;
+	struct clk		*inactivity_clk;
 	struct regulator	*hsic_vddcx;
 	struct regulator	*hsic_gdsc;
 	atomic_t		async_int;
@@ -575,6 +576,8 @@
 		clk_disable_unprepare(mehci->phy_clk);
 		clk_disable_unprepare(mehci->cal_clk);
 		clk_disable_unprepare(mehci->ahb_clk);
+		if (!IS_ERR(mehci->inactivity_clk))
+			clk_disable_unprepare(mehci->inactivity_clk);
 
 		ret = clk_reset(mehci->core_clk, CLK_RESET_ASSERT);
 		if (ret) {
@@ -596,6 +599,8 @@
 		clk_prepare_enable(mehci->phy_clk);
 		clk_prepare_enable(mehci->cal_clk);
 		clk_prepare_enable(mehci->ahb_clk);
+		if (!IS_ERR(mehci->inactivity_clk))
+			clk_prepare_enable(mehci->inactivity_clk);
 	}
 }
 
@@ -794,6 +799,8 @@
 	clk_disable_unprepare(mehci->phy_clk);
 	clk_disable_unprepare(mehci->cal_clk);
 	clk_disable_unprepare(mehci->ahb_clk);
+	if (!IS_ERR(mehci->inactivity_clk))
+		clk_disable_unprepare(mehci->inactivity_clk);
 
 	none_vol = vdd_val[mehci->vdd_type][VDD_NONE];
 	max_vol = vdd_val[mehci->vdd_type][VDD_MAX];
@@ -876,6 +883,8 @@
 	clk_prepare_enable(mehci->phy_clk);
 	clk_prepare_enable(mehci->cal_clk);
 	clk_prepare_enable(mehci->ahb_clk);
+	if (!IS_ERR(mehci->inactivity_clk))
+		clk_prepare_enable(mehci->inactivity_clk);
 
 	temp = readl_relaxed(USB_USBCMD);
 	temp &= ~ASYNC_INTR_CTRL;
@@ -1507,10 +1516,21 @@
 		goto put_cal_clk;
 	}
 
+	/*
+	 * Inactivity_clk is required for hsic bam inactivity timer.
+	 * This clock is not compulsory and is defined in clock lookup
+	 * only for targets that need to use the inactivity timer feature.
+	 */
+	mehci->inactivity_clk = clk_get(mehci->dev, "inactivity_clk");
+	if (IS_ERR(mehci->inactivity_clk))
+		dev_dbg(mehci->dev, "failed to get inactivity_clk\n");
+
 	clk_prepare_enable(mehci->core_clk);
 	clk_prepare_enable(mehci->phy_clk);
 	clk_prepare_enable(mehci->cal_clk);
 	clk_prepare_enable(mehci->ahb_clk);
+	if (!IS_ERR(mehci->inactivity_clk))
+		clk_prepare_enable(mehci->inactivity_clk);
 
 	return 0;
 
@@ -1520,7 +1540,11 @@
 		clk_disable_unprepare(mehci->phy_clk);
 		clk_disable_unprepare(mehci->cal_clk);
 		clk_disable_unprepare(mehci->ahb_clk);
+		if (!IS_ERR(mehci->inactivity_clk))
+			clk_disable_unprepare(mehci->inactivity_clk);
 	}
+	if (!IS_ERR(mehci->inactivity_clk))
+		clk_put(mehci->inactivity_clk);
 	clk_put(mehci->ahb_clk);
 put_cal_clk:
 	clk_put(mehci->cal_clk);
@@ -1827,6 +1851,8 @@
 				"qcom,pool-64-bit-align");
 	pdata->enable_hbm = of_property_read_bool(node,
 				"qcom,enable-hbm");
+	pdata->disable_park_mode = (of_property_read_bool(node,
+				"qcom,disable-park-mode"));
 
 	return pdata;
 }
@@ -2064,7 +2090,7 @@
 		pm_runtime_put_sync(pdev->dev.parent);
 
 	if (mehci->enable_hbm)
-		hbm_init(hcd);
+		hbm_init(hcd, pdata->disable_park_mode);
 
 	return 0;
 
diff --git a/drivers/usb/host/hbm.c b/drivers/usb/host/hbm.c
index 1a0c0aa..d34301d 100644
--- a/drivers/usb/host/hbm.c
+++ b/drivers/usb/host/hbm.c
@@ -44,6 +44,7 @@
 struct hbm_msm {
 	u32 *base;
 	struct usb_hcd *hcd;
+	bool disable_park_mode;
 };
 
 static struct hbm_msm *hbm_ctx;
@@ -173,8 +174,8 @@
 		USB_OTG_HS_HBM_PIPE_PRODUCER, 1 << pipe_num,
 		(is_consumer ? 0 : 1));
 
-	/*  disable park mode as default */
-	set_disable_park_mode(pipe_num, true);
+	/*  set park mode */
+	set_disable_park_mode(pipe_num, hbm_ctx->disable_park_mode);
 
 	/*  enable zlt as default*/
 	set_disable_zlt(pipe_num, false);
@@ -186,7 +187,7 @@
 	return 0;
 }
 
-void hbm_init(struct usb_hcd *hcd)
+void hbm_init(struct usb_hcd *hcd, bool disable_park_mode)
 {
 	pr_info("%s\n", __func__);
 
@@ -198,6 +199,7 @@
 
 	hbm_ctx->base = hcd->regs;
 	hbm_ctx->hcd = hcd;
+	hbm_ctx->disable_park_mode = disable_park_mode;
 
 	/* reset hbm */
 	hbm_reset(true);
diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index 79dcf2f..46b5ce4 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -16,6 +16,7 @@
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/usb/otg.h>
+#include <linux/usb/msm_hsusb.h>
 
 #include "xhci.h"
 
@@ -140,6 +141,10 @@
 		goto release_mem_region;
 	}
 
+	pm_runtime_set_active(&pdev->dev);
+	pm_runtime_enable(&pdev->dev);
+	pm_runtime_get_sync(&pdev->dev);
+
 	ret = usb_add_hcd(hcd, irq, IRQF_SHARED);
 	if (ret)
 		goto unmap_registers;
@@ -166,7 +171,8 @@
 		goto put_usb3_hcd;
 
 	phy = usb_get_transceiver();
-	if (phy && phy->otg) {
+	/* Register with OTG if present, ignore USB2 OTG using other PHY */
+	if (phy && phy->otg && !(phy->flags & ENABLE_SECONDARY_PHY)) {
 		dev_dbg(&pdev->dev, "%s otg support available\n", __func__);
 		ret = otg_set_host(phy->otg, &hcd->self);
 		if (ret) {
@@ -175,15 +181,12 @@
 			usb_put_transceiver(phy);
 			goto put_usb3_hcd;
 		}
-		pm_runtime_set_active(&pdev->dev);
-		pm_runtime_enable(&pdev->dev);
 	} else {
 		pm_runtime_no_callbacks(&pdev->dev);
-		pm_runtime_set_active(&pdev->dev);
-		pm_runtime_enable(&pdev->dev);
-		pm_runtime_get(&pdev->dev);
 	}
 
+	pm_runtime_put(&pdev->dev);
+
 	return 0;
 
 put_usb3_hcd:
@@ -222,9 +225,6 @@
 	if (phy && phy->otg) {
 		otg_set_host(phy->otg, NULL);
 		usb_put_transceiver(phy);
-	} else {
-		pm_runtime_put(&dev->dev);
-		pm_runtime_disable(&dev->dev);
 	}
 
 	return 0;
diff --git a/drivers/video/msm/mdp4_overlay.c b/drivers/video/msm/mdp4_overlay.c
index e8d7489..afa7b97 100644
--- a/drivers/video/msm/mdp4_overlay.c
+++ b/drivers/video/msm/mdp4_overlay.c
@@ -245,7 +245,7 @@
 		return PTR_ERR(*srcp_ihdl);
 	}
 	pr_debug("%s(): ion_hdl %p, ion_buf %d\n", __func__, *srcp_ihdl,
-		ion_share_dma_buf(display_iclient, *srcp_ihdl));
+		mem_id);
 	pr_debug("mixer %u, pipe %u, plane %u\n", pipe->mixer_num,
 		pipe->pipe_ndx, plane);
 	if (ion_map_iommu(display_iclient, *srcp_ihdl,
diff --git a/drivers/video/msm/mdss/dsi_host_v2.c b/drivers/video/msm/mdss/dsi_host_v2.c
index 453cbaa..887dde7 100644
--- a/drivers/video/msm/mdss/dsi_host_v2.c
+++ b/drivers/video/msm/mdss/dsi_host_v2.c
@@ -29,6 +29,7 @@
 #define DSI_POLL_SLEEP_US 1000
 #define DSI_POLL_TIMEOUT_US 16000
 #define DSI_ESC_CLK_RATE 19200000
+#define DSI_DMA_CMD_TIMEOUT_MS 200
 
 struct dsi_host_v2_private {
 	struct completion dma_comp;
@@ -426,18 +427,15 @@
 
 	dsi_ctrl = MIPI_INP(ctrl_base + DSI_CTRL);
 	/*If Video enabled, Keep Video and Cmd mode ON */
-	if (dsi_ctrl & 0x02)
-		dsi_ctrl &= ~0x05;
-	else
-		dsi_ctrl &= ~0x07;
+
+
+	dsi_ctrl &= ~0x06;
 
 	if (mode == DSI_VIDEO_MODE) {
-		dsi_ctrl |= 0x03;
+		dsi_ctrl |= 0x02;
 		intr_ctrl = DSI_INTR_CMD_DMA_DONE_MASK;
 	} else {		/* command mode */
-		dsi_ctrl |= 0x05;
-		if (pdata->panel_info.type == MIPI_VIDEO_PANEL)
-			dsi_ctrl |= 0x02;
+		dsi_ctrl |= 0x04;
 
 		intr_ctrl = DSI_INTR_CMD_DMA_DONE_MASK | DSI_INTR_ERROR_MASK |
 				DSI_INTR_CMD_MDP_DONE_MASK;
@@ -480,7 +478,7 @@
 
 int msm_dsi_cmd_dma_tx(struct dsi_buf *tp)
 {
-	int len;
+	int len, rc;
 	unsigned long size, addr;
 	unsigned char *ctrl_base = dsi_host_private->dsi_base;
 
@@ -505,12 +503,17 @@
 	MIPI_OUTP(ctrl_base + DSI_CMD_MODE_DMA_SW_TRIGGER, 0x01);
 	wmb();
 
-	wait_for_completion_interruptible(&dsi_host_private->dma_comp);
+	rc = wait_for_completion_timeout(&dsi_host_private->dma_comp,
+				msecs_to_jiffies(DSI_DMA_CMD_TIMEOUT_MS));
+	if (rc == 0) {
+		pr_err("DSI command transaction time out\n");
+		rc = -ETIME;
+	}
 
 	dma_unmap_single(&dsi_host_private->dis_dev, tp->dmap, size,
 			DMA_TO_DEVICE);
 	tp->dmap = 0;
-	return 0;
+	return rc;
 }
 
 int msm_dsi_cmd_dma_rx(struct dsi_buf *rp, int rlen)
@@ -723,6 +726,7 @@
 
 static int msm_dsi_cal_clk_rate(struct mdss_panel_data *pdata,
 				u32 *bitclk_rate,
+				u32 *dsiclk_rate,
 				u32 *byteclk_rate,
 				u32 *pclk_rate)
 {
@@ -761,10 +765,11 @@
 	*bitclk_rate /= lanes;
 
 	*byteclk_rate = *bitclk_rate / 8;
+	*dsiclk_rate = *byteclk_rate * lanes;
 	*pclk_rate = *byteclk_rate * lanes * 8 / pdata->panel_info.bpp;
 
-	pr_debug("bitclk=%u, byteclk=%u, pck_=%u\n",
-		*bitclk_rate, *byteclk_rate, *pclk_rate);
+	pr_debug("dsiclk_rate=%u, byteclk=%u, pck_=%u\n",
+		*dsiclk_rate, *byteclk_rate, *pclk_rate);
 	return 0;
 }
 
@@ -777,7 +782,7 @@
 	u32 hbp, hfp, vbp, vfp, hspw, vspw, width, height;
 	u32 ystride, bpp, data;
 	u32 dummy_xres, dummy_yres;
-	u32 bitclk_rate = 0, byteclk_rate = 0, pclk_rate = 0;
+	u32 bitclk_rate = 0, byteclk_rate = 0, pclk_rate = 0, dsiclk_rate = 0;
 	unsigned char *ctrl_base = dsi_host_private->dsi_base;
 
 	pr_debug("msm_dsi_on\n");
@@ -794,8 +799,10 @@
 	msm_dsi_phy_sw_reset(dsi_host_private->dsi_base);
 	msm_dsi_phy_init(dsi_host_private->dsi_base, pdata);
 
-	msm_dsi_cal_clk_rate(pdata, &bitclk_rate, &byteclk_rate, &pclk_rate);
-	msm_dsi_clk_set_rate(DSI_ESC_CLK_RATE, byteclk_rate, pclk_rate);
+	msm_dsi_cal_clk_rate(pdata, &bitclk_rate, &dsiclk_rate,
+				&byteclk_rate, &pclk_rate);
+	msm_dsi_clk_set_rate(DSI_ESC_CLK_RATE, dsiclk_rate,
+				byteclk_rate, pclk_rate);
 	msm_dsi_prepare_clocks();
 	msm_dsi_clk_enable();
 
@@ -879,12 +886,11 @@
 	int ret = 0;
 
 	pr_debug("msm_dsi_off\n");
-	msm_dsi_clk_set_rate(0, 0, 0);
+	msm_dsi_controller_cfg(0);
+	msm_dsi_clk_set_rate(DSI_ESC_CLK_RATE, 0, 0, 0);
 	msm_dsi_clk_disable();
 	msm_dsi_unprepare_clocks();
 
-	/* disable DSI controller */
-	msm_dsi_controller_cfg(0);
 	msm_dsi_ahb_ctrl(0);
 
 	ret = msm_dsi_regulator_disable();
diff --git a/drivers/video/msm/mdss/dsi_io_v2.c b/drivers/video/msm/mdss/dsi_io_v2.c
index 0486c4c..93f2c76 100644
--- a/drivers/video/msm/mdss/dsi_io_v2.c
+++ b/drivers/video/msm/mdss/dsi_io_v2.c
@@ -29,6 +29,7 @@
 	struct clk *dsi_esc_clk;
 	struct clk *dsi_pixel_clk;
 	struct clk *dsi_ahb_clk;
+	struct clk *dsi_clk;
 	int msm_dsi_clk_on;
 	int msm_dsi_ahb_clk_on;
 };
@@ -97,6 +98,13 @@
 {
 	int rc = 0;
 
+	dsi_io_private->dsi_clk = clk_get(&dev->dev, "dsi_clk");
+	if (IS_ERR(dsi_io_private->dsi_clk)) {
+		pr_err("can't find dsi core_clk\n");
+		rc = PTR_ERR(dsi_io_private->dsi_clk);
+		dsi_io_private->dsi_clk = NULL;
+		return rc;
+	}
 	dsi_io_private->dsi_byte_clk = clk_get(&dev->dev, "byte_clk");
 	if (IS_ERR(dsi_io_private->dsi_byte_clk)) {
 		pr_err("can't find dsi byte_clk\n");
@@ -135,6 +143,10 @@
 
 void msm_dsi_clk_deinit(void)
 {
+	if (dsi_io_private->dsi_clk) {
+		clk_put(dsi_io_private->dsi_clk);
+		dsi_io_private->dsi_clk = NULL;
+	}
 	if (dsi_io_private->dsi_byte_clk) {
 		clk_put(dsi_io_private->dsi_byte_clk);
 		dsi_io_private->dsi_byte_clk = NULL;
@@ -156,6 +168,7 @@
 
 int msm_dsi_prepare_clocks(void)
 {
+	clk_prepare(dsi_io_private->dsi_clk);
 	clk_prepare(dsi_io_private->dsi_byte_clk);
 	clk_prepare(dsi_io_private->dsi_esc_clk);
 	clk_prepare(dsi_io_private->dsi_pixel_clk);
@@ -164,16 +177,24 @@
 
 int msm_dsi_unprepare_clocks(void)
 {
+	clk_unprepare(dsi_io_private->dsi_clk);
 	clk_unprepare(dsi_io_private->dsi_esc_clk);
 	clk_unprepare(dsi_io_private->dsi_byte_clk);
 	clk_unprepare(dsi_io_private->dsi_pixel_clk);
 	return 0;
 }
 
-int msm_dsi_clk_set_rate(unsigned long esc_rate, unsigned long byte_rate,
+int msm_dsi_clk_set_rate(unsigned long esc_rate,
+			unsigned long dsi_rate,
+			unsigned long byte_rate,
 			unsigned long pixel_rate)
 {
 	int rc;
+	rc = clk_set_rate(dsi_io_private->dsi_clk, dsi_rate);
+	if (rc) {
+		pr_err("dsi_esc_clk - clk_set_rate failed =%d\n", rc);
+		return rc;
+	}
 
 	rc = clk_set_rate(dsi_io_private->dsi_esc_clk, esc_rate);
 	if (rc) {
@@ -202,6 +223,7 @@
 		return 0;
 	}
 
+	clk_enable(dsi_io_private->dsi_clk);
 	clk_enable(dsi_io_private->dsi_esc_clk);
 	clk_enable(dsi_io_private->dsi_byte_clk);
 	clk_enable(dsi_io_private->dsi_pixel_clk);
@@ -217,6 +239,7 @@
 		return 0;
 	}
 
+	clk_disable(dsi_io_private->dsi_clk);
 	clk_disable(dsi_io_private->dsi_byte_clk);
 	clk_disable(dsi_io_private->dsi_esc_clk);
 	clk_disable(dsi_io_private->dsi_pixel_clk);
@@ -246,7 +269,7 @@
 
 void msm_dsi_regulator_deinit(void)
 {
-	if (dsi_io_private->vdda_vreg) {
+	if (!IS_ERR(dsi_io_private->vdda_vreg)) {
 		devm_regulator_put(dsi_io_private->vdda_vreg);
 		dsi_io_private->vdda_vreg = NULL;
 	}
diff --git a/drivers/video/msm/mdss/dsi_io_v2.h b/drivers/video/msm/mdss/dsi_io_v2.h
index 25ecd7f..285bf30 100644
--- a/drivers/video/msm/mdss/dsi_io_v2.h
+++ b/drivers/video/msm/mdss/dsi_io_v2.h
@@ -29,7 +29,9 @@
 
 int msm_dsi_unprepare_clocks(void);
 
-int msm_dsi_clk_set_rate(unsigned long esc_rate, unsigned long byte_rate,
+int msm_dsi_clk_set_rate(unsigned long esc_rate,
+			unsigned long dsi_rate,
+			unsigned long byte_rate,
 			unsigned long pixel_rate);
 
 int msm_dsi_clk_enable(void);
diff --git a/drivers/video/msm/mdss/dsi_panel_v2.c b/drivers/video/msm/mdss/dsi_panel_v2.c
index 6686de3..e46ea3b 100644
--- a/drivers/video/msm/mdss/dsi_panel_v2.c
+++ b/drivers/video/msm/mdss/dsi_panel_v2.c
@@ -20,6 +20,7 @@
 #include <linux/delay.h>
 #include <linux/slab.h>
 #include <linux/leds.h>
+#include <linux/err.h>
 #include <linux/regulator/consumer.h>
 
 #include "dsi_v2.h"
@@ -32,6 +33,7 @@
 
 	int rst_gpio;
 	int disp_en_gpio;
+	int video_mode_gpio;
 	char bl_ctrl;
 
 	struct regulator *vddio_vreg;
@@ -40,6 +42,9 @@
 	struct dsi_panel_cmds_list *on_cmds_list;
 	struct dsi_panel_cmds_list *off_cmds_list;
 	struct mdss_dsi_phy_ctrl phy_params;
+
+	char *on_cmds;
+	char *off_cmds;
 };
 
 static struct dsi_panel_private *panel_private;
@@ -82,15 +87,54 @@
 	kfree(panel_private->dsi_panel_tx_buf.start);
 	kfree(panel_private->dsi_panel_rx_buf.start);
 
-	if (panel_private->vddio_vreg)
+	if (!IS_ERR(panel_private->vddio_vreg))
 		devm_regulator_put(panel_private->vddio_vreg);
 
-	if (panel_private->vdda_vreg)
-		devm_regulator_put(panel_private->vddio_vreg);
+	if (!IS_ERR(panel_private->vdda_vreg))
+		devm_regulator_put(panel_private->vdda_vreg);
 
+	if (panel_private->on_cmds_list) {
+		kfree(panel_private->on_cmds_list->buf);
+		kfree(panel_private->on_cmds_list);
+	}
+	if (panel_private->off_cmds_list) {
+		kfree(panel_private->off_cmds_list->buf);
+		kfree(panel_private->off_cmds_list);
+	}
+
+	kfree(panel_private->on_cmds);
+	kfree(panel_private->off_cmds);
 	kfree(panel_private);
 	panel_private = NULL;
 }
+int dsi_panel_power(int enable)
+{
+	int ret;
+	if (enable) {
+		ret = regulator_enable(panel_private->vddio_vreg);
+		if (ret) {
+			pr_err("dsi_panel_power regulator enable vddio fail\n");
+			return ret;
+		}
+		ret = regulator_enable(panel_private->vdda_vreg);
+		if (ret) {
+			pr_err("dsi_panel_power regulator enable vdda fail\n");
+			return ret;
+		}
+	} else {
+		ret = regulator_disable(panel_private->vddio_vreg);
+		if (ret) {
+			pr_err("dsi_panel_power regulator disable vddio fail\n");
+			return ret;
+		}
+		ret = regulator_disable(panel_private->vdda_vreg);
+		if (ret) {
+			pr_err("dsi_panel_power regulator dsiable vdda fail\n");
+			return ret;
+		}
+	}
+	return 0;
+}
 
 void dsi_panel_reset(struct mdss_panel_data *pdata, int enable)
 {
@@ -113,6 +157,8 @@
 	pr_debug("%s: enable = %d\n", __func__, enable);
 
 	if (enable) {
+		dsi_panel_power(1);
+		gpio_request(panel_private->rst_gpio, "panel_reset");
 		gpio_set_value(panel_private->rst_gpio, 1);
 		/*
 		 * these delay values are by experiments currently, will need
@@ -123,12 +169,34 @@
 		udelay(200);
 		gpio_set_value(panel_private->rst_gpio, 1);
 		msleep(20);
-		if (gpio_is_valid(panel_private->disp_en_gpio))
+		if (gpio_is_valid(panel_private->disp_en_gpio)) {
+			gpio_request(panel_private->disp_en_gpio,
+					"panel_enable");
 			gpio_set_value(panel_private->disp_en_gpio, 1);
+		}
+		if (gpio_is_valid(panel_private->video_mode_gpio)) {
+			gpio_request(panel_private->video_mode_gpio,
+					"panel_video_mdoe");
+			if (pdata->panel_info.mipi.mode == DSI_VIDEO_MODE)
+				gpio_set_value(panel_private->video_mode_gpio,
+						1);
+			else
+				gpio_set_value(panel_private->video_mode_gpio,
+						0);
+		}
 	} else {
 		gpio_set_value(panel_private->rst_gpio, 0);
-		if (gpio_is_valid(panel_private->disp_en_gpio))
+		gpio_free(panel_private->rst_gpio);
+
+		if (gpio_is_valid(panel_private->disp_en_gpio)) {
 			gpio_set_value(panel_private->disp_en_gpio, 0);
+			gpio_free(panel_private->disp_en_gpio);
+		}
+
+		if (gpio_is_valid(panel_private->video_mode_gpio))
+			gpio_free(panel_private->video_mode_gpio);
+
+		dsi_panel_power(0);
 	}
 }
 
@@ -196,13 +264,42 @@
 	panel_private->disp_en_gpio = of_get_named_gpio(np,
 						"qcom,enable-gpio", 0);
 	panel_private->rst_gpio = of_get_named_gpio(np, "qcom,rst-gpio", 0);
+	panel_private->video_mode_gpio = of_get_named_gpio(np,
+						"qcom,mode-selection-gpio", 0);
 	return 0;
 }
 
 static int dsi_panel_parse_regulator(struct platform_device *pdev)
 {
+	int ret;
 	panel_private->vddio_vreg = devm_regulator_get(&pdev->dev, "vddio");
+	if (IS_ERR(panel_private->vddio_vreg)) {
+		pr_err("%s: could not get vddio vreg, rc=%ld\n",
+			__func__, PTR_ERR(panel_private->vddio_vreg));
+		return PTR_ERR(panel_private->vddio_vreg);
+	}
+	ret = regulator_set_voltage(panel_private->vddio_vreg,
+					1800000,
+					1800000);
+	if (ret) {
+		pr_err("%s: set voltage failed on vddio_vreg, rc=%d\n",
+			__func__, ret);
+		return ret;
+	}
 	panel_private->vdda_vreg = devm_regulator_get(&pdev->dev, "vdda");
+	if (IS_ERR(panel_private->vdda_vreg)) {
+		pr_err("%s: could not get vdda_vreg , rc=%ld\n",
+			__func__, PTR_ERR(panel_private->vdda_vreg));
+		return PTR_ERR(panel_private->vdda_vreg);
+	}
+	ret = regulator_set_voltage(panel_private->vdda_vreg,
+					2850000,
+					2850000);
+	if (ret) {
+		pr_err("%s: set voltage failed on vdda_vreg, rc=%d\n",
+			__func__, ret);
+		return ret;
+	}
 	return 0;
 }
 
@@ -398,180 +495,163 @@
 	int cmd_plen, data_offset;
 	const char *data;
 	const char *on_cmds_state, *off_cmds_state;
-	char *on_cmds = NULL, *off_cmds = NULL;
 	int num_of_on_cmds = 0, num_of_off_cmds = 0;
 
 	data = of_get_property(np, "qcom,panel-on-cmds", &len);
 	if (!data) {
 		pr_err("%s:%d, Unable to read ON cmds", __func__, __LINE__);
-		goto parse_init_cmds_error;
+		return -EINVAL;
 	}
 
-	on_cmds = kzalloc(sizeof(char) * len, GFP_KERNEL);
-	if (!on_cmds)
-		goto parse_init_cmds_error;
+	panel_private->on_cmds = kzalloc(sizeof(char) * len, GFP_KERNEL);
+	if (!panel_private->on_cmds)
+		return -ENOMEM;
 
-	memcpy(on_cmds, data, len);
+	memcpy(panel_private->on_cmds, data, len);
 
 	data_offset = 0;
 	cmd_plen = 0;
 	while ((len - data_offset) >= DT_CMD_HDR) {
 		data_offset += (DT_CMD_HDR - 1);
-		cmd_plen = on_cmds[data_offset++];
+		cmd_plen = panel_private->on_cmds[data_offset++];
 		data_offset += cmd_plen;
 		num_of_on_cmds++;
 	}
 	if (!num_of_on_cmds) {
 		pr_err("%s:%d, No ON cmds specified", __func__, __LINE__);
-		goto parse_init_cmds_error;
+		return -EINVAL;
 	}
 
-	panel_data->dsi_panel_on_cmds =
+	panel_private->on_cmds_list =
 		kzalloc(sizeof(struct dsi_panel_cmds_list), GFP_KERNEL);
-	if (!panel_data->dsi_panel_on_cmds)
-		goto parse_init_cmds_error;
+	if (!panel_private->on_cmds_list)
+		return -ENOMEM;
 
-	(panel_data->dsi_panel_on_cmds)->buf =
+	panel_private->on_cmds_list->buf =
 		kzalloc((num_of_on_cmds * sizeof(struct dsi_cmd_desc)),
 			GFP_KERNEL);
-	if (!(panel_data->dsi_panel_on_cmds)->buf)
-		goto parse_init_cmds_error;
+	if (!panel_private->on_cmds_list->buf)
+		return -ENOMEM;
 
 	data_offset = 0;
 	for (i = 0; i < num_of_on_cmds; i++) {
-		panel_data->dsi_panel_on_cmds->buf[i].dtype =
-						on_cmds[data_offset++];
-		panel_data->dsi_panel_on_cmds->buf[i].last =
-						on_cmds[data_offset++];
-		panel_data->dsi_panel_on_cmds->buf[i].vc =
-						on_cmds[data_offset++];
-		panel_data->dsi_panel_on_cmds->buf[i].ack =
-						on_cmds[data_offset++];
-		panel_data->dsi_panel_on_cmds->buf[i].wait =
-						on_cmds[data_offset++];
-		panel_data->dsi_panel_on_cmds->buf[i].dlen =
-						on_cmds[data_offset++];
-		panel_data->dsi_panel_on_cmds->buf[i].payload =
-						&on_cmds[data_offset];
-		data_offset += (panel_data->dsi_panel_on_cmds->buf[i].dlen);
+		panel_private->on_cmds_list->buf[i].dtype =
+					panel_private->on_cmds[data_offset++];
+		panel_private->on_cmds_list->buf[i].last =
+					panel_private->on_cmds[data_offset++];
+		panel_private->on_cmds_list->buf[i].vc =
+					panel_private->on_cmds[data_offset++];
+		panel_private->on_cmds_list->buf[i].ack =
+					panel_private->on_cmds[data_offset++];
+		panel_private->on_cmds_list->buf[i].wait =
+					panel_private->on_cmds[data_offset++];
+		panel_private->on_cmds_list->buf[i].dlen =
+					panel_private->on_cmds[data_offset++];
+		panel_private->on_cmds_list->buf[i].payload =
+					&panel_private->on_cmds[data_offset];
+		data_offset += (panel_private->on_cmds_list->buf[i].dlen);
 	}
 
 	if (data_offset != len) {
 		pr_err("%s:%d, Incorrect ON command entries",
 						__func__, __LINE__);
-		goto parse_init_cmds_error;
+		return -EINVAL;
 	}
 
-	(panel_data->dsi_panel_on_cmds)->size = num_of_on_cmds;
+	panel_private->on_cmds_list->size = num_of_on_cmds;
 
 	on_cmds_state = of_get_property(pdev->dev.of_node,
 					"qcom,on-cmds-dsi-state", NULL);
 	if (!strncmp(on_cmds_state, "DSI_LP_MODE", 11)) {
-		(panel_data->dsi_panel_on_cmds)->ctrl_state = DSI_LP_MODE;
+		panel_private->on_cmds_list->ctrl_state = DSI_LP_MODE;
 	} else if (!strncmp(on_cmds_state, "DSI_HS_MODE", 11)) {
-		(panel_data->dsi_panel_on_cmds)->ctrl_state = DSI_HS_MODE;
+		panel_private->on_cmds_list->ctrl_state = DSI_HS_MODE;
 	} else {
 		pr_debug("%s: ON cmds state not specified. Set Default\n",
 							__func__);
-		(panel_data->dsi_panel_on_cmds)->ctrl_state = DSI_LP_MODE;
+		panel_private->on_cmds_list->ctrl_state = DSI_LP_MODE;
 	}
 
-	panel_private->on_cmds_list = panel_data->dsi_panel_on_cmds;
+	panel_data->dsi_panel_on_cmds = panel_private->on_cmds_list;
+
 	data = of_get_property(np, "qcom,panel-off-cmds", &len);
 	if (!data) {
 		pr_err("%s:%d, Unable to read OFF cmds", __func__, __LINE__);
-		goto parse_init_cmds_error;
+		return -EINVAL;
 	}
 
-	off_cmds = kzalloc(sizeof(char) * len, GFP_KERNEL);
-	if (!off_cmds)
-		goto parse_init_cmds_error;
+	panel_private->off_cmds = kzalloc(sizeof(char) * len, GFP_KERNEL);
+	if (!panel_private->off_cmds)
+		return -ENOMEM;
 
-	memcpy(off_cmds, data, len);
+	memcpy(panel_private->off_cmds, data, len);
 
 	data_offset = 0;
 	cmd_plen = 0;
 	while ((len - data_offset) >= DT_CMD_HDR) {
 		data_offset += (DT_CMD_HDR - 1);
-		cmd_plen = off_cmds[data_offset++];
+		cmd_plen = panel_private->off_cmds[data_offset++];
 		data_offset += cmd_plen;
 		num_of_off_cmds++;
 	}
 	if (!num_of_off_cmds) {
 		pr_err("%s:%d, No OFF cmds specified", __func__, __LINE__);
-		goto parse_init_cmds_error;
+		return -ENOMEM;
 	}
 
-	panel_data->dsi_panel_off_cmds =
+	panel_private->off_cmds_list =
 		kzalloc(sizeof(struct dsi_panel_cmds_list), GFP_KERNEL);
-	if (!panel_data->dsi_panel_off_cmds)
-		goto parse_init_cmds_error;
+	if (!panel_private->off_cmds_list)
+		return -ENOMEM;
 
-	(panel_data->dsi_panel_off_cmds)->buf = kzalloc(num_of_off_cmds
+	panel_private->off_cmds_list->buf = kzalloc(num_of_off_cmds
 					* sizeof(struct dsi_cmd_desc),
 						GFP_KERNEL);
-	if (!(panel_data->dsi_panel_off_cmds)->buf)
-		goto parse_init_cmds_error;
+	if (!panel_private->off_cmds_list->buf)
+		return -ENOMEM;
 
 	data_offset = 0;
 	for (i = 0; i < num_of_off_cmds; i++) {
-		panel_data->dsi_panel_off_cmds->buf[i].dtype =
-						off_cmds[data_offset++];
-		panel_data->dsi_panel_off_cmds->buf[i].last =
-						off_cmds[data_offset++];
-		panel_data->dsi_panel_off_cmds->buf[i].vc =
-						off_cmds[data_offset++];
-		panel_data->dsi_panel_off_cmds->buf[i].ack =
-						off_cmds[data_offset++];
-		panel_data->dsi_panel_off_cmds->buf[i].wait =
-						off_cmds[data_offset++];
-		panel_data->dsi_panel_off_cmds->buf[i].dlen =
-						off_cmds[data_offset++];
-		panel_data->dsi_panel_off_cmds->buf[i].payload =
-						&off_cmds[data_offset];
-		data_offset += (panel_data->dsi_panel_off_cmds->buf[i].dlen);
+		panel_private->off_cmds_list->buf[i].dtype =
+					panel_private->off_cmds[data_offset++];
+		panel_private->off_cmds_list->buf[i].last =
+					panel_private->off_cmds[data_offset++];
+		panel_private->off_cmds_list->buf[i].vc =
+					panel_private->off_cmds[data_offset++];
+		panel_private->off_cmds_list->buf[i].ack =
+					panel_private->off_cmds[data_offset++];
+		panel_private->off_cmds_list->buf[i].wait =
+					panel_private->off_cmds[data_offset++];
+		panel_private->off_cmds_list->buf[i].dlen =
+					panel_private->off_cmds[data_offset++];
+		panel_private->off_cmds_list->buf[i].payload =
+					&panel_private->off_cmds[data_offset];
+		data_offset += (panel_private->off_cmds_list->buf[i].dlen);
 	}
 
 	if (data_offset != len) {
 		pr_err("%s:%d, Incorrect OFF command entries",
 						__func__, __LINE__);
-		goto parse_init_cmds_error;
+		return -EINVAL;
 	}
 
-	(panel_data->dsi_panel_off_cmds)->size = num_of_off_cmds;
-			off_cmds_state = of_get_property(pdev->dev.of_node,
+	panel_private->off_cmds_list->size = num_of_off_cmds;
+	off_cmds_state = of_get_property(pdev->dev.of_node,
 				"qcom,off-cmds-dsi-state", NULL);
 	if (!strncmp(off_cmds_state, "DSI_LP_MODE", 11)) {
-		(panel_data->dsi_panel_off_cmds)->ctrl_state =
+		panel_private->off_cmds_list->ctrl_state =
 						DSI_LP_MODE;
 	} else if (!strncmp(off_cmds_state, "DSI_HS_MODE", 11)) {
-		(panel_data->dsi_panel_off_cmds)->ctrl_state = DSI_HS_MODE;
+		panel_private->off_cmds_list->ctrl_state = DSI_HS_MODE;
 	} else {
 		pr_debug("%s: ON cmds state not specified. Set Default\n",
 							__func__);
-		(panel_data->dsi_panel_off_cmds)->ctrl_state = DSI_LP_MODE;
+		panel_private->off_cmds_list->ctrl_state = DSI_LP_MODE;
 	}
 
-	panel_private->off_cmds_list = panel_data->dsi_panel_on_cmds;
-	kfree(on_cmds);
-	kfree(off_cmds);
+	panel_data->dsi_panel_off_cmds = panel_private->off_cmds_list;
 
 	return 0;
-parse_init_cmds_error:
-	if (panel_data->dsi_panel_on_cmds) {
-		kfree((panel_data->dsi_panel_on_cmds)->buf);
-		kfree(panel_data->dsi_panel_on_cmds);
-		panel_data->dsi_panel_on_cmds = NULL;
-	}
-	if (panel_data->dsi_panel_off_cmds) {
-		kfree((panel_data->dsi_panel_off_cmds)->buf);
-		kfree(panel_data->dsi_panel_off_cmds);
-		panel_data->dsi_panel_off_cmds = NULL;
-	}
-
-	kfree(on_cmds);
-	kfree(off_cmds);
-	return -EINVAL;
 }
 
 static int dsi_panel_parse_backlight(struct platform_device *pdev,
@@ -709,6 +789,7 @@
 
 	vendor_pdata.on = dsi_panel_on;
 	vendor_pdata.off = dsi_panel_off;
+	vendor_pdata.reset = dsi_panel_reset;
 	vendor_pdata.bl_fnc = dsi_panel_bl_ctrl;
 
 	rc = dsi_panel_device_register_v2(pdev, &vendor_pdata,
diff --git a/drivers/video/msm/mdss/dsi_v2.c b/drivers/video/msm/mdss/dsi_v2.c
index 5e46bf5..5833796 100644
--- a/drivers/video/msm/mdss/dsi_v2.c
+++ b/drivers/video/msm/mdss/dsi_v2.c
@@ -29,6 +29,14 @@
 	if (!panel_common_data || !pdata)
 		return -ENODEV;
 
+	if (dsi_intf.op_mode_config)
+		dsi_intf.op_mode_config(DSI_CMD_MODE, pdata);
+
+	pr_debug("panel off commands\n");
+	if (panel_common_data->off)
+		panel_common_data->off(pdata);
+
+	pr_debug("turn off dsi controller\n");
 	if (dsi_intf.off)
 		rc = dsi_intf.off(pdata);
 
@@ -37,9 +45,9 @@
 		return rc;
 	}
 
-	pr_debug("dsi_off reset\n");
-	if (panel_common_data->off)
-		panel_common_data->off(pdata);
+	pr_debug("turn off panel power\n");
+	if (panel_common_data->reset)
+		panel_common_data->reset(pdata, 0);
 
 	return rc;
 }
@@ -53,8 +61,6 @@
 	if (!panel_common_data || !pdata)
 		return -ENODEV;
 
-	if (panel_common_data->reset)
-		panel_common_data->reset(1);
 
 	pr_debug("dsi_on DSI controller ont\n");
 	if (dsi_intf.on)
@@ -64,6 +70,9 @@
 		pr_err("mdss_dsi_on DSI failed %d\n", rc);
 		return rc;
 	}
+	pr_debug("dsi_on power on panel\n");
+	if (panel_common_data->reset)
+		panel_common_data->reset(pdata, 1);
 
 	pr_debug("dsi_on DSI panel ont\n");
 	if (panel_common_data->on)
diff --git a/drivers/video/msm/mdss/dsi_v2.h b/drivers/video/msm/mdss/dsi_v2.h
index fa868ab..f68527c 100644
--- a/drivers/video/msm/mdss/dsi_v2.h
+++ b/drivers/video/msm/mdss/dsi_v2.h
@@ -189,7 +189,7 @@
 	struct mdss_panel_info panel_info;
 	int (*on) (struct mdss_panel_data *pdata);
 	int (*off) (struct mdss_panel_data *pdata);
-	void (*reset)(int enable);
+	void (*reset)(struct mdss_panel_data *pdata, int enable);
 	void (*bl_fnc) (struct mdss_panel_data *pdata, u32 bl_level);
 	struct dsi_panel_cmds_list *dsi_panel_on_cmds;
 	struct dsi_panel_cmds_list *dsi_panel_off_cmds;
diff --git a/drivers/video/msm/mdss/mdp3.c b/drivers/video/msm/mdss/mdp3.c
index 890b00b..52243eb 100644
--- a/drivers/video/msm/mdss/mdp3.c
+++ b/drivers/video/msm/mdss/mdp3.c
@@ -47,7 +47,7 @@
 #include "mdp3_hwio.h"
 #include "mdp3_ctrl.h"
 
-#define MDP_CORE_HW_VERSION	0x03030304
+#define MDP_CORE_HW_VERSION	0x03040310
 struct mdp3_hw_resource *mdp3_res;
 
 #define MDP_BUS_VECTOR_ENTRY(ab_val, ib_val)		\
@@ -302,16 +302,7 @@
 	return ret;
 }
 
-int mdp3_vsync_clk_enable(int enable)
-{
-	int ret = 0;
 
-	pr_debug("vsync clk enable=%d\n", enable);
-	mutex_lock(&mdp3_res->res_mutex);
-	mdp3_clk_update(MDP3_CLK_VSYNC, enable);
-	mutex_unlock(&mdp3_res->res_mutex);
-	return ret;
-}
 
 int mdp3_clk_set_rate(int clk_type, unsigned long clk_rate)
 {
@@ -400,6 +391,9 @@
 	if (rc)
 		return rc;
 
+	rc = mdp3_clk_register("dsi_clk", MDP3_CLK_DSI);
+	if (rc)
+		return rc;
 	return rc;
 }
 
@@ -409,6 +403,7 @@
 	clk_put(mdp3_res->clocks[MDP3_CLK_CORE]);
 	clk_put(mdp3_res->clocks[MDP3_CLK_VSYNC]);
 	clk_put(mdp3_res->clocks[MDP3_CLK_LCDC]);
+	clk_put(mdp3_res->clocks[MDP3_CLK_DSI]);
 }
 
 int mdp3_clk_enable(int enable)
@@ -421,6 +416,7 @@
 	rc = mdp3_clk_update(MDP3_CLK_AHB, enable);
 	rc |= mdp3_clk_update(MDP3_CLK_CORE, enable);
 	rc |= mdp3_clk_update(MDP3_CLK_VSYNC, enable);
+	rc |= mdp3_clk_update(MDP3_CLK_DSI, enable);
 	mutex_unlock(&mdp3_res->res_mutex);
 	return rc;
 }
@@ -577,12 +573,14 @@
 	int rc;
 
 	rc = mdp3_clk_update(MDP3_CLK_AHB, 1);
+	rc |= mdp3_clk_update(MDP3_CLK_CORE, 1);
 	if (rc)
 		return rc;
 
 	mdp3_res->mdp_rev = MDP3_REG_READ(MDP3_REG_HW_VERSION);
 
 	rc = mdp3_clk_update(MDP3_CLK_AHB, 0);
+	rc |= mdp3_clk_update(MDP3_CLK_CORE, 0);
 	if (rc)
 		pr_err("fail to turn off the MDP3_CLK_AHB clk\n");
 
diff --git a/drivers/video/msm/mdss/mdp3.h b/drivers/video/msm/mdss/mdp3.h
index c853664..5774e5a 100644
--- a/drivers/video/msm/mdss/mdp3.h
+++ b/drivers/video/msm/mdss/mdp3.h
@@ -29,6 +29,7 @@
 	MDP3_CLK_CORE,
 	MDP3_CLK_VSYNC,
 	MDP3_CLK_LCDC,
+	MDP3_CLK_DSI,
 	MDP3_MAX_CLK
 };
 
diff --git a/drivers/video/msm/mdss/mdp3_ctrl.c b/drivers/video/msm/mdss/mdp3_ctrl.c
index e07c0a4..929e5f8 100644
--- a/drivers/video/msm/mdss/mdp3_ctrl.c
+++ b/drivers/video/msm/mdss/mdp3_ctrl.c
@@ -28,7 +28,7 @@
 
 void vsync_notify_handler(void *arg)
 {
-	struct mdp3_session_data *session = (struct mdp3_session_data *)session;
+	struct mdp3_session_data *session = (struct mdp3_session_data *)arg;
 	complete(&session->vsync_comp);
 }
 
@@ -100,18 +100,30 @@
 	.attrs = vsync_fs_attrs,
 };
 
-static int mdp3_ctrl_res_req_dma(struct msm_fb_data_type *mfd, int status)
+static int mdp3_ctrl_res_req_bus(struct msm_fb_data_type *mfd, int status)
 {
 	int rc = 0;
 	if (status) {
 		struct mdss_panel_info *panel_info = mfd->panel_info;
 		int ab = 0;
 		int ib = 0;
-		unsigned long core_clk = 0;
-		int vtotal = 0;
 		ab = panel_info->xres * panel_info->yres * 4;
 		ab *= panel_info->mipi.frame_rate;
 		ib = (ab * 3) / 2;
+		rc = mdp3_bus_scale_set_quota(MDP3_BW_CLIENT_DMA_P, ab, ib);
+	} else {
+		rc = mdp3_bus_scale_set_quota(MDP3_BW_CLIENT_DMA_P, 0, 0);
+	}
+	return rc;
+}
+
+static int mdp3_ctrl_res_req_clk(struct msm_fb_data_type *mfd, int status)
+{
+	int rc = 0;
+	if (status) {
+		struct mdss_panel_info *panel_info = mfd->panel_info;
+		unsigned long core_clk;
+		int vtotal;
 		vtotal = panel_info->lcdc.v_back_porch +
 			panel_info->lcdc.v_front_porch +
 			panel_info->lcdc.v_pulse_width +
@@ -126,10 +138,8 @@
 		if (rc)
 			return rc;
 
-		mdp3_bus_scale_set_quota(MDP3_BW_CLIENT_DMA_P, ab, ib);
 	} else {
 		rc = mdp3_clk_enable(false);
-		rc |= mdp3_bus_scale_set_quota(MDP3_BW_CLIENT_DMA_P, 0, 0);
 	}
 	return rc;
 }
@@ -285,13 +295,25 @@
 	}
 	mutex_lock(&mdp3_session->lock);
 	if (mdp3_session->status) {
-		pr_info("fb%d is on already", mfd->index);
+		pr_debug("fb%d is on already", mfd->index);
 		goto on_error;
 	}
 
-	rc = mdp3_ctrl_res_req_dma(mfd, 1);
+	/* request bus bandwidth before DSI DMA traffic */
+	rc = mdp3_ctrl_res_req_bus(mfd, 1);
+	if (rc)
+		pr_err("fail to request bus resource\n");
+
+	panel = mdp3_session->panel;
+	if (panel->event_handler)
+		rc = panel->event_handler(panel, MDSS_EVENT_PANEL_ON, NULL);
 	if (rc) {
-		pr_err("resource request for dma on failed\n");
+		pr_err("fail to turn on the panel\n");
+		goto on_error;
+	}
+	rc = mdp3_ctrl_res_req_clk(mfd, 1);
+	if (rc) {
+		pr_err("fail to request mdp clk resource\n");
 		goto on_error;
 	}
 
@@ -304,16 +326,9 @@
 	rc = mdp3_ctrl_intf_init(mfd, mdp3_session->intf);
 	if (rc) {
 		pr_err("display interface init failed\n");
-		goto on_error;
-	}
 
-	panel = mdp3_session->panel;
 
-	if (panel->event_handler)
-		rc = panel->event_handler(panel, MDSS_EVENT_PANEL_ON, NULL);
 
-	if (rc) {
-		pr_err("fail to turn on the panel\n");
 		goto on_error;
 	}
 
@@ -348,26 +363,31 @@
 	mutex_lock(&mdp3_session->lock);
 
 	if (!mdp3_session->status) {
-		pr_info("fb%d is off already", mfd->index);
+		pr_debug("fb%d is off already", mfd->index);
 		goto off_error;
 	}
 
-	panel = mdp3_session->panel;
-	if (panel->event_handler)
-		rc = panel->event_handler(panel, MDSS_EVENT_PANEL_OFF, NULL);
-
-	if (rc)
-		pr_err("fail to turn off the panel\n");
+	pr_debug("mdp3_ctrl_off stop mdp3 dma engine\n");
 
 	rc = mdp3_session->dma->stop(mdp3_session->dma, mdp3_session->intf);
 
 	if (rc)
 		pr_err("fail to stop the MDP3 dma\n");
 
-	rc = mdp3_ctrl_res_req_dma(mfd, 0);
+	pr_debug("mdp3_ctrl_off stop dsi panel and controller\n");
+	panel = mdp3_session->panel;
+	if (panel->event_handler)
+		rc = panel->event_handler(panel, MDSS_EVENT_PANEL_OFF, NULL);
 	if (rc)
-		pr_err("resource release  for dma on failed\n");
+		pr_err("fail to turn off the panel\n");
 
+	pr_debug("mdp3_ctrl_off release bus and clock\n");
+	rc = mdp3_ctrl_res_req_bus(mfd, 0);
+	if (rc)
+		pr_err("mdp bus resource release failed\n");
+	rc = mdp3_ctrl_res_req_clk(mfd, 0);
+	if (rc)
+		pr_err("mdp clock resource release failed\n");
 off_error:
 	mdp3_session->status = 0;
 
@@ -414,11 +434,32 @@
 	mutex_unlock(&mdp3_session->lock);
 }
 
+static int mdp3_get_metadata(struct msm_fb_data_type *mfd,
+				struct msmfb_metadata *metadata)
+{
+	int ret = 0;
+	switch (metadata->op) {
+	case metadata_op_frame_rate:
+		metadata->data.panel_frame_rate =
+			mfd->panel_info->mipi.frame_rate;
+		break;
+	case metadata_op_get_caps:
+		metadata->data.caps.mdp_rev = 304;
+		break;
+	default:
+		pr_warn("Unsupported request to MDP META IOCTL.\n");
+		ret = -EINVAL;
+		break;
+	}
+	return ret;
+}
+
 static int mdp3_ctrl_ioctl_handler(struct msm_fb_data_type *mfd,
 					u32 cmd, void __user *argp)
 {
 	int rc = -EINVAL;
 	struct mdp3_session_data *mdp3_session;
+	struct msmfb_metadata metadata;
 	int val;
 
 	pr_debug("mdp3_ctrl_ioctl_handler\n");
@@ -444,6 +485,14 @@
 			rc = -EFAULT;
 		}
 		break;
+	case MSMFB_METADATA_GET:
+		rc = copy_from_user(&metadata, argp, sizeof(metadata));
+		if (rc)
+			return rc;
+		rc = mdp3_get_metadata(mfd, &metadata);
+		if (!rc)
+			rc = copy_to_user(argp, &metadata, sizeof(metadata));
+		break;
 	default:
 		break;
 	}
diff --git a/drivers/video/msm/mdss/mdss.h b/drivers/video/msm/mdss/mdss.h
index 763c7f6..5be0173 100644
--- a/drivers/video/msm/mdss/mdss.h
+++ b/drivers/video/msm/mdss/mdss.h
@@ -62,8 +62,6 @@
 	struct regulator *fs;
 	u32 max_mdp_clk_rate;
 
-	struct workqueue_struct *clk_ctrl_wq;
-	struct work_struct clk_ctrl_worker;
 	struct platform_device *pdev;
 	char __iomem *mdp_base;
 	size_t mdp_reg_size;
@@ -73,12 +71,13 @@
 	u32 irq_mask;
 	u32 irq_ena;
 	u32 irq_buzy;
+	u32 has_bwc;
+	u32 has_decimation;
 
 	u32 mdp_irq_mask;
 	u32 mdp_hist_irq_mask;
 
 	int suspend_fs_ena;
-	atomic_t clk_ref;
 	u8 clk_ena;
 	u8 fs_ena;
 	u8 vsync_ena;
diff --git a/drivers/video/msm/mdss/mdss_dsi_host.c b/drivers/video/msm/mdss/mdss_dsi_host.c
index 22ff08c..1a64be4 100644
--- a/drivers/video/msm/mdss/mdss_dsi_host.c
+++ b/drivers/video/msm/mdss/mdss_dsi_host.c
@@ -813,7 +813,6 @@
 
 	dsi_ctrl |= BIT(0);	/* enable dsi */
 	MIPI_OUTP((ctrl_pdata->ctrl_base) + 0x0004, dsi_ctrl);
-	mdss_dsi_irq_ctrl(ctrl_pdata, 1, 0); /* enable dsi irq */
 
 	wmb();
 }
diff --git a/drivers/video/msm/mdss/mdss_fb.c b/drivers/video/msm/mdss/mdss_fb.c
index a5903cf..a7ea948 100644
--- a/drivers/video/msm/mdss/mdss_fb.c
+++ b/drivers/video/msm/mdss/mdss_fb.c
@@ -1143,6 +1143,7 @@
 	struct mdp_display_commit disp_commit;
 	memset(&disp_commit, 0, sizeof(disp_commit));
 	disp_commit.wait_for_finish = true;
+	memcpy(&disp_commit.var, var, sizeof(struct fb_var_screeninfo));
 	return mdss_fb_pan_display_ex(info, &disp_commit);
 }
 
@@ -1209,6 +1210,7 @@
 		mdss_fb_wait_for_fence(mfd);
 		if (mfd->mdp.kickoff_fnc)
 			mfd->mdp.kickoff_fnc(mfd);
+		mdss_fb_update_backlight(mfd);
 		mdss_fb_signal_timeline(mfd);
 	} else {
 		var = &fb_backup->disp_commit.var;
@@ -1431,6 +1433,7 @@
 	int i, fence_cnt = 0, ret = 0;
 	int acq_fen_fd[MDP_MAX_FENCE_FD];
 	struct sync_fence *fence;
+	u32 threshold;
 
 	if ((buf_sync->acq_fen_fd_cnt > MDP_MAX_FENCE_FD) ||
 		(mfd->timeline == NULL))
@@ -1464,8 +1467,13 @@
 	if (buf_sync->flags & MDP_BUF_SYNC_FLAG_WAIT)
 		mdss_fb_wait_for_fence(mfd);
 
+	if (mfd->panel.type == WRITEBACK_PANEL)
+		threshold = 1;
+	else
+		threshold = 2;
+
 	mfd->cur_rel_sync_pt = sw_sync_pt_create(mfd->timeline,
-			mfd->timeline_value + 2);
+			mfd->timeline_value + threshold);
 	if (mfd->cur_rel_sync_pt == NULL) {
 		pr_err("%s: cannot create sync point", __func__);
 		ret = -ENOMEM;
diff --git a/drivers/video/msm/mdss/mdss_hdmi_cec.c b/drivers/video/msm/mdss/mdss_hdmi_cec.c
index 694fcde..2cf47fc 100644
--- a/drivers/video/msm/mdss/mdss_hdmi_cec.c
+++ b/drivers/video/msm/mdss/mdss_hdmi_cec.c
@@ -785,12 +785,16 @@
 
 	io = cec_ctrl->init_data.io;
 
-	if (!cec_ctrl->cec_enabled)
-		return 0;
-
 	cec_intr = DSS_REG_R_ND(io, HDMI_CEC_INT);
 	DEV_DBG("%s: cec interrupt status is [0x%x]\n", __func__, cec_intr);
 
+	if (!cec_ctrl->cec_enabled) {
+		DEV_ERR("%s: cec is not enabled. Just clear int and return.\n",
+			__func__);
+		DSS_REG_W(io, HDMI_CEC_INT, cec_intr);
+		return 0;
+	}
+
 	cec_status = DSS_REG_R_ND(io, HDMI_CEC_STATUS);
 	DEV_DBG("%s: cec status is [0x%x]\n", __func__, cec_status);
 
diff --git a/drivers/video/msm/mdss/mdss_hdmi_hdcp.c b/drivers/video/msm/mdss/mdss_hdmi_hdcp.c
index ef17229..f726e79 100644
--- a/drivers/video/msm/mdss/mdss_hdmi_hdcp.c
+++ b/drivers/video/msm/mdss/mdss_hdmi_hdcp.c
@@ -1057,11 +1057,16 @@
 
 	io = hdcp_ctrl->init_data.core_io;
 
-	/* Ignore HDCP interrupts if HDCP is disabled */
-	if (HDCP_STATE_INACTIVE == hdcp_ctrl->hdcp_state)
-		return 0;
-
 	hdcp_int_val = DSS_REG_R(io, HDMI_HDCP_INT_CTRL);
+
+	/* Ignore HDCP interrupts if HDCP is disabled */
+	if (HDCP_STATE_INACTIVE == hdcp_ctrl->hdcp_state) {
+		DEV_ERR("%s: HDCP inactive. Just clear int and return.\n",
+			__func__);
+		DSS_REG_W(io, HDMI_HDCP_INT_CTRL, hdcp_int_val);
+		return 0;
+	}
+
 	if (hdcp_int_val & BIT(0)) {
 		/* AUTH_SUCCESS_INT */
 		DSS_REG_W(io, HDMI_HDCP_INT_CTRL, (hdcp_int_val | BIT(1)));
diff --git a/drivers/video/msm/mdss/mdss_hdmi_tx.c b/drivers/video/msm/mdss/mdss_hdmi_tx.c
index 9a90b88..1ff8acf 100644
--- a/drivers/video/msm/mdss/mdss_hdmi_tx.c
+++ b/drivers/video/msm/mdss/mdss_hdmi_tx.c
@@ -2298,6 +2298,7 @@
 static void hdmi_tx_hpd_off(struct hdmi_tx_ctrl *hdmi_ctrl)
 {
 	int rc = 0;
+	struct dss_io_data *io = NULL;
 
 	if (!hdmi_ctrl) {
 		DEV_ERR("%s: invalid input\n", __func__);
@@ -2309,6 +2310,15 @@
 		return;
 	}
 
+	io = &hdmi_ctrl->pdata.io[HDMI_TX_CORE_IO];
+	if (!io->base) {
+		DEV_ERR("%s: core io not inititalized\n", __func__);
+		return;
+	}
+
+	/* Turn off HPD interrupts */
+	DSS_REG_W(io, HDMI_HPD_INT_CTRL, 0);
+
 	mdss_disable_irq(&hdmi_tx_hw);
 
 	hdmi_tx_set_mode(hdmi_ctrl, false);
@@ -2411,7 +2421,7 @@
 	struct dss_io_data *io = NULL;
 	struct hdmi_tx_ctrl *hdmi_ctrl = (struct hdmi_tx_ctrl *)data;
 
-	if (!hdmi_ctrl || !hdmi_ctrl->hpd_initialized) {
+	if (!hdmi_ctrl) {
 		DEV_WARN("%s: invalid input data, ISR ignored\n", __func__);
 		return IRQ_HANDLED;
 	}
diff --git a/drivers/video/msm/mdss/mdss_mdp.c b/drivers/video/msm/mdss/mdss_mdp.c
index baedd03..2f09fee 100644
--- a/drivers/video/msm/mdss/mdss_mdp.c
+++ b/drivers/video/msm/mdss/mdss_mdp.c
@@ -330,7 +330,6 @@
 			hw->hw_ndx, mdss_res->mdp_irq_mask,
 			mdss_res->mdp_hist_irq_mask);
 	} else {
-		mdss_irq_handlers[hw->hw_ndx] = NULL;
 		mdss_res->irq_mask &= ~ndx_bit;
 		if (mdss_res->irq_mask == 0) {
 			mdss_res->irq_ena = false;
@@ -622,71 +621,43 @@
 	return clk_rate;
 }
 
-static void mdss_mdp_clk_ctrl_update(struct mdss_data_type *mdata)
-{
-	int enable;
-
-	mutex_lock(&mdp_clk_lock);
-	enable = atomic_read(&mdata->clk_ref) > 0;
-	if (mdata->clk_ena == enable) {
-		mutex_unlock(&mdp_clk_lock);
-		return;
-	}
-	mdata->clk_ena = enable;
-
-	if (enable)
-		pm_runtime_get_sync(&mdata->pdev->dev);
-
-	pr_debug("MDP CLKS %s\n", (enable ? "Enable" : "Disable"));
-	mb();
-
-	mdss_mdp_clk_update(MDSS_CLK_AHB, enable);
-	mdss_mdp_clk_update(MDSS_CLK_AXI, enable);
-
-	mdss_mdp_clk_update(MDSS_CLK_MDP_CORE, enable);
-	mdss_mdp_clk_update(MDSS_CLK_MDP_LUT, enable);
-	if (mdata->vsync_ena)
-		mdss_mdp_clk_update(MDSS_CLK_MDP_VSYNC, enable);
-
-	if (!enable)
-		pm_runtime_put(&mdata->pdev->dev);
-
-	mutex_unlock(&mdp_clk_lock);
-}
-
-static void mdss_mdp_clk_ctrl_workqueue_handler(struct work_struct *work)
-{
-	struct mdss_data_type *mdata;
-
-	mdata = container_of(work, struct mdss_data_type, clk_ctrl_worker);
-	mdss_mdp_clk_ctrl_update(mdata);
-}
-
 void mdss_mdp_clk_ctrl(int enable, int isr)
 {
 	struct mdss_data_type *mdata = mdss_res;
+	static int mdp_clk_cnt;
+	int changed = 0;
 
-	pr_debug("clk enable=%d isr=%d ref= %d\n", enable, isr,
-			atomic_read(&mdata->clk_ref));
-
-	if (enable == MDP_BLOCK_POWER_ON) {
-		BUG_ON(isr);
-
-		if (atomic_inc_return(&mdata->clk_ref) == 1)
-			mdss_mdp_clk_ctrl_update(mdata);
+	mutex_lock(&mdp_clk_lock);
+	if (enable) {
+		if (mdp_clk_cnt == 0)
+			changed++;
+		mdp_clk_cnt++;
 	} else {
-		BUG_ON(atomic_read(&mdata->clk_ref) == 0);
-
-		if (atomic_dec_and_test(&mdata->clk_ref)) {
-			if (isr)
-				queue_work(mdata->clk_ctrl_wq,
-						&mdata->clk_ctrl_worker);
-			else
-				mdss_mdp_clk_ctrl_update(mdata);
-		}
+		mdp_clk_cnt--;
+		if (mdp_clk_cnt == 0)
+			changed++;
 	}
 
+	pr_debug("%s: clk_cnt=%d changed=%d enable=%d\n",
+			__func__, mdp_clk_cnt, changed, enable);
 
+	if (changed) {
+		mdata->clk_ena = enable;
+		if (enable)
+			pm_runtime_get_sync(&mdata->pdev->dev);
+
+		mdss_mdp_clk_update(MDSS_CLK_AHB, enable);
+		mdss_mdp_clk_update(MDSS_CLK_AXI, enable);
+		mdss_mdp_clk_update(MDSS_CLK_MDP_CORE, enable);
+		mdss_mdp_clk_update(MDSS_CLK_MDP_LUT, enable);
+		if (mdata->vsync_ena)
+			mdss_mdp_clk_update(MDSS_CLK_MDP_VSYNC, enable);
+
+		if (!enable)
+			pm_runtime_put(&mdata->pdev->dev);
+	}
+
+	mutex_unlock(&mdp_clk_lock);
 }
 
 static inline int mdss_mdp_irq_clk_register(struct mdss_data_type *mdata,
@@ -935,9 +906,6 @@
 	if (rc)
 		return rc;
 
-	mdata->clk_ctrl_wq = create_singlethread_workqueue("mdp_clk_wq");
-	INIT_WORK(&mdata->clk_ctrl_worker, mdss_mdp_clk_ctrl_workqueue_handler);
-
 	mdata->iclient = msm_ion_client_create(-1, mdata->pdev->name);
 	if (IS_ERR_OR_NULL(mdata->iclient)) {
 		pr_err("msm_ion_client_create() return error (%p)\n",
@@ -1508,6 +1476,10 @@
 		&data);
 	mdata->rot_block_size = (!rc ? data : 128);
 
+	mdata->has_bwc = of_property_read_bool(pdev->dev.of_node,
+					       "qcom,mdss-has-bwc");
+	mdata->has_decimation = of_property_read_bool(pdev->dev.of_node,
+		"qcom,mdss-has-decimation");
 	return 0;
 }
 
@@ -1569,8 +1541,6 @@
 
 static inline int mdss_mdp_suspend_sub(struct mdss_data_type *mdata)
 {
-	flush_workqueue(mdata->clk_ctrl_wq);
-
 	mdata->suspend_fs_ena = mdata->fs_ena;
 	mdss_mdp_footswitch_ctrl(mdata, false);
 
@@ -1668,8 +1638,6 @@
 
 	dev_dbg(dev, "pm_runtime: idling...\n");
 
-	flush_workqueue(mdata->clk_ctrl_wq);
-
 	return 0;
 }
 
diff --git a/drivers/video/msm/mdss/mdss_mdp.h b/drivers/video/msm/mdss/mdss_mdp.h
index 175a07f..6018e6f 100644
--- a/drivers/video/msm/mdss/mdss_mdp.h
+++ b/drivers/video/msm/mdss/mdss_mdp.h
@@ -38,6 +38,7 @@
 #define MAX_PLANES		4
 #define MAX_DOWNSCALE_RATIO	4
 #define MAX_UPSCALE_RATIO	20
+#define MAX_DECIMATION		4
 
 #define C3_ALPHA	3	/* alpha */
 #define C2_R_Cr		2	/* R/Cr */
@@ -121,6 +122,7 @@
 	u32 opmode;
 	u32 flush_bits;
 
+	bool is_video_mode;
 	u32 play_cnt;
 	u32 vsync_cnt;
 	u32 underrun_cnt;
@@ -128,6 +130,7 @@
 	u16 width;
 	u16 height;
 	u32 dst_format;
+	bool is_secure;
 
 	u32 bus_ab_quota;
 	u32 bus_ib_quota;
@@ -148,6 +151,7 @@
 	int (*display_fnc) (struct mdss_mdp_ctl *ctl, void *arg);
 	int (*wait_fnc) (struct mdss_mdp_ctl *ctl, void *arg);
 	int (*set_vsync_handler) (struct mdss_mdp_ctl *, mdp_vsync_handler_t);
+	u32 (*read_line_cnt_fnc) (struct mdss_mdp_ctl *);
 
 	void *priv_data;
 };
@@ -268,6 +272,8 @@
 
 	u16 img_width;
 	u16 img_height;
+	u8 horz_deci;
+	u8 vert_deci;
 	struct mdss_mdp_img_rect src;
 	struct mdss_mdp_img_rect dst;
 
@@ -287,6 +293,7 @@
 	u32 params_changed;
 
 	unsigned long smp[MAX_PLANES];
+	unsigned long smp_reserved[MAX_PLANES];
 
 	struct mdss_mdp_data back_buf;
 	struct mdss_mdp_data front_buf;
@@ -312,6 +319,7 @@
 	int borderfill_enable;
 	int overlay_play_enable;
 	int hw_refresh;
+	void *cpu_pm_hdl;
 
 	struct mdss_data_type *mdata;
 	struct mutex ov_lock;
@@ -320,6 +328,7 @@
 	struct list_head overlay_list;
 	struct list_head pipes_used;
 	struct list_head pipes_cleanup;
+	bool mixer_swap;
 };
 
 #define is_vig_pipe(_pipe_id_) ((_pipe_id_) <= MDSS_MDP_SSPP_VIG2)
@@ -394,6 +403,8 @@
 int mdss_mdp_mixer_pipe_unstage(struct mdss_mdp_pipe *pipe);
 int mdss_mdp_display_commit(struct mdss_mdp_ctl *ctl, void *arg);
 int mdss_mdp_display_wait4comp(struct mdss_mdp_ctl *ctl);
+int mdss_mdp_display_wakeup_time(struct mdss_mdp_ctl *ctl,
+				 ktime_t *wakeup_time);
 
 int mdss_mdp_csc_setup(u32 block, u32 blk_idx, u32 tbl_idx, u32 csc_type);
 int mdss_mdp_csc_setup_data(u32 block, u32 blk_idx, u32 tbl_idx,
@@ -451,6 +462,9 @@
 void mdss_mdp_pipe_unmap(struct mdss_mdp_pipe *pipe);
 struct mdss_mdp_pipe *mdss_mdp_pipe_alloc_dma(struct mdss_mdp_mixer *mixer);
 
+int mdss_mdp_smp_reserve(struct mdss_mdp_pipe *pipe);
+void mdss_mdp_smp_unreserve(struct mdss_mdp_pipe *pipe);
+
 int mdss_mdp_pipe_addr_setup(struct mdss_data_type *mdata, u32 *offsets,
 		u32 *ftch_y_id, u32 type, u32 num_base, u32 len);
 int mdss_mdp_mixer_addr_setup(struct mdss_data_type *mdata, u32 *mixer_offsets,
diff --git a/drivers/video/msm/mdss/mdss_mdp_ctl.c b/drivers/video/msm/mdss/mdss_mdp_ctl.c
index 03a33cd..6c9cce2 100644
--- a/drivers/video/msm/mdss/mdss_mdp_ctl.c
+++ b/drivers/video/msm/mdss/mdss_mdp_ctl.c
@@ -47,6 +47,15 @@
 	writel_relaxed(val, mixer->base + reg);
 }
 
+static inline u32 mdss_mdp_get_pclk_rate(struct mdss_mdp_ctl *ctl)
+{
+	struct mdss_panel_info *pinfo = &ctl->panel_data->panel_info;
+
+	return (ctl->intf_type == MDSS_INTF_DSI) ?
+		pinfo->mipi.dsi_pclk_rate :
+		pinfo->clk_rate;
+}
+
 static int mdss_mdp_ctl_perf_commit(struct mdss_data_type *mdata, u32 flags)
 {
 	struct mdss_mdp_ctl *ctl;
@@ -202,13 +211,7 @@
 			max_clk_rate = clk_rate;
 
 		if (ctl->intf_type) {
-			struct mdss_panel_info *pinfo;
-
-			pinfo = &ctl->panel_data->panel_info;
-			clk_rate = (ctl->intf_type == MDSS_INTF_DSI) ?
-					pinfo->mipi.dsi_pclk_rate :
-					pinfo->clk_rate;
-
+			clk_rate = mdss_mdp_get_pclk_rate(ctl);
 			/* minimum clock rate due to inefficiency in 3dmux */
 			clk_rate = mult_frac(clk_rate >> 1, 9, 8);
 			if (clk_rate > max_clk_rate)
@@ -289,6 +292,8 @@
 	}
 	mutex_lock(&mdss_mdp_ctl_lock);
 	ctl->ref_cnt--;
+	ctl->intf_num = MDSS_MDP_NO_INTF;
+	ctl->is_secure = false;
 	ctl->power_on = false;
 	ctl->start_fnc = NULL;
 	ctl->stop_fnc = NULL;
@@ -296,6 +301,7 @@
 	ctl->display_fnc = NULL;
 	ctl->wait_fnc = NULL;
 	ctl->set_vsync_handler = NULL;
+	ctl->read_line_cnt_fnc = NULL;
 	mutex_unlock(&mdss_mdp_ctl_lock);
 
 	return 0;
@@ -646,15 +652,18 @@
 	}
 	ctl->mfd = mfd;
 	ctl->panel_data = pdata;
+	ctl->is_video_mode = false;
 
 	switch (pdata->panel_info.type) {
 	case EDP_PANEL:
+		ctl->is_video_mode = true;
 		ctl->intf_num = MDSS_MDP_INTF0;
 		ctl->intf_type = MDSS_INTF_EDP;
 		ctl->opmode = MDSS_MDP_CTL_OP_VIDEO_MODE;
 		ctl->start_fnc = mdss_mdp_video_start;
 		break;
 	case MIPI_VIDEO_PANEL:
+		ctl->is_video_mode = true;
 		if (pdata->panel_info.pdest == DISPLAY_1)
 			ctl->intf_num = MDSS_MDP_INTF1;
 		else
@@ -673,6 +682,7 @@
 		ctl->start_fnc = mdss_mdp_cmd_start;
 		break;
 	case DTV_PANEL:
+		ctl->is_video_mode = true;
 		ctl->intf_num = MDSS_MDP_INTF3;
 		ctl->intf_type = MDSS_INTF_HDMI;
 		ctl->opmode = MDSS_MDP_CTL_OP_VIDEO_MODE;
@@ -1084,14 +1094,6 @@
 					stage);
 		}
 
-		if (mixercfg == MDSS_MDP_LM_BORDER_COLOR &&
-				pipe->src_fmt->alpha_enable &&
-				pipe->dst.w == mixer->width &&
-				pipe->dst.h == mixer->height) {
-			pr_debug("setting pipe=%d as BG_PIPE\n", pipe->num);
-			bgalpha = 1;
-		}
-
 		mixercfg |= stage << (3 * pipe->num);
 
 		mdp_mixer_write(mixer, off + MDSS_MDP_REG_LM_OP_MODE, blend_op);
@@ -1196,16 +1198,19 @@
 struct mdss_mdp_mixer *mdss_mdp_mixer_get(struct mdss_mdp_ctl *ctl, int mux)
 {
 	struct mdss_mdp_mixer *mixer = NULL;
+	struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(ctl->mfd);
 	if (!ctl)
 		return NULL;
 
 	switch (mux) {
 	case MDSS_MDP_MIXER_MUX_DEFAULT:
 	case MDSS_MDP_MIXER_MUX_LEFT:
-		mixer = ctl->mixer_left;
+		mixer = mdp5_data->mixer_swap ?
+			ctl->mixer_right : ctl->mixer_left;
 		break;
 	case MDSS_MDP_MIXER_MUX_RIGHT:
-		mixer = ctl->mixer_right;
+		mixer = mdp5_data->mixer_swap ?
+			ctl->mixer_left : ctl->mixer_right;
 		break;
 	}
 
@@ -1235,6 +1240,7 @@
 {
 	struct mdss_mdp_ctl *ctl;
 	struct mdss_mdp_mixer *mixer;
+	int i;
 
 	if (!pipe)
 		return -EINVAL;
@@ -1258,7 +1264,12 @@
 
 	if (params_changed) {
 		mixer->params_changed++;
-		mixer->stage_pipe[pipe->mixer_stage] = pipe;
+		for (i = 0; i < MDSS_MDP_MAX_STAGE; i++) {
+			if (i == pipe->mixer_stage)
+				mixer->stage_pipe[i] = pipe;
+			else if (mixer->stage_pipe[i] == pipe)
+				mixer->stage_pipe[i] = NULL;
+		}
 	}
 
 	if (pipe->type == MDSS_MDP_PIPE_TYPE_DMA)
@@ -1291,9 +1302,10 @@
 	if (mutex_lock_interruptible(&ctl->lock))
 		return -EINTR;
 
-	mixer->params_changed++;
-	mixer->stage_pipe[pipe->mixer_stage] = NULL;
-
+	if (pipe == mixer->stage_pipe[pipe->mixer_stage]) {
+		mixer->params_changed++;
+		mixer->stage_pipe[pipe->mixer_stage] = NULL;
+	}
 	mutex_unlock(&ctl->lock);
 
 	return 0;
@@ -1310,6 +1322,71 @@
 	return 0;
 }
 
+int mdss_mdp_display_wakeup_time(struct mdss_mdp_ctl *ctl,
+				 ktime_t *wakeup_time)
+{
+	struct mdss_panel_info *pinfo;
+	u32 clk_rate, clk_period;
+	u32 current_line, total_line;
+	u32 time_of_line, time_to_vsync;
+	ktime_t current_time = ktime_get();
+
+	if (!ctl->read_line_cnt_fnc)
+		return -ENOSYS;
+
+	pinfo = &ctl->panel_data->panel_info;
+	if (!pinfo)
+		return -ENODEV;
+
+	clk_rate = mdss_mdp_get_pclk_rate(ctl);
+
+	clk_rate /= 1000;	/* in kHz */
+	if (!clk_rate)
+		return -EINVAL;
+
+	/*
+	 * calculate clk_period as pico second to maintain good
+	 * accuracy with high pclk rate and this number is in 17 bit
+	 * range.
+	 */
+	clk_period = 1000000000 / clk_rate;
+	if (!clk_period)
+		return -EINVAL;
+
+	time_of_line = (pinfo->lcdc.h_back_porch +
+		 pinfo->lcdc.h_front_porch +
+		 pinfo->lcdc.h_pulse_width +
+		 pinfo->xres) * clk_period;
+
+	time_of_line /= 1000;	/* in nano second */
+	if (!time_of_line)
+		return -EINVAL;
+
+	current_line = ctl->read_line_cnt_fnc(ctl);
+
+	total_line = pinfo->lcdc.v_back_porch +
+		pinfo->lcdc.v_front_porch +
+		pinfo->lcdc.v_pulse_width +
+		pinfo->yres;
+
+	if (current_line > total_line)
+		return -EINVAL;
+
+	time_to_vsync = time_of_line * (total_line - current_line);
+	if (!time_to_vsync)
+		return -EINVAL;
+
+	*wakeup_time = ktime_add_ns(current_time, time_to_vsync);
+
+	pr_debug("clk_rate=%dkHz clk_period=%d cur_line=%d tot_line=%d\n",
+		clk_rate, clk_period, current_line, total_line);
+	pr_debug("time_to_vsync=%d current_time=%d wakeup_time=%d\n",
+		time_to_vsync, (int)ktime_to_ms(current_time),
+		(int)ktime_to_ms(*wakeup_time));
+
+	return 0;
+}
+
 int mdss_mdp_display_wait4comp(struct mdss_mdp_ctl *ctl)
 {
 	int ret;
diff --git a/drivers/video/msm/mdss/mdss_mdp_hwio.h b/drivers/video/msm/mdss/mdss_mdp_hwio.h
index d50f47e..a59560e 100644
--- a/drivers/video/msm/mdss/mdss_mdp_hwio.h
+++ b/drivers/video/msm/mdss/mdss_mdp_hwio.h
@@ -190,8 +190,7 @@
 #define MDSS_MDP_REG_SSPP_CURRENT_SRC1_ADDR		0x0A8
 #define MDSS_MDP_REG_SSPP_CURRENT_SRC2_ADDR		0x0AC
 #define MDSS_MDP_REG_SSPP_CURRENT_SRC3_ADDR		0x0B0
-#define MDSS_MDP_REG_SSPP_LINE_SKIP_STEP_C03		0x0B4
-#define MDSS_MDP_REG_SSPP_LINE_SKIP_STEP_C12		0x0B8
+#define MDSS_MDP_REG_SSPP_DECIMATION_CONFIG		0x0B4
 
 #define MDSS_MDP_REG_VIG_OP_MODE			0x200
 #define MDSS_MDP_REG_VIG_QSEED2_CONFIG			0x204
@@ -349,6 +348,8 @@
 #define MDSS_MDP_REG_WB_OUT_SIZE			0x074
 #define MDSS_MDP_REG_WB_ALPHA_X_VALUE			0x078
 #define MDSS_MDP_REG_WB_CSC_BASE			0x260
+#define MDSS_MDP_REG_WB_DST_ADDR_SW_STATUS		0x2B0
+
 
 enum mdss_mdp_dspp_index {
 	MDSS_MDP_DSPP0,
@@ -402,6 +403,9 @@
 #define MDSS_MDP_REG_INTF_TEST_CTL			0x054
 #define MDSS_MDP_REG_INTF_TP_COLOR0			0x058
 #define MDSS_MDP_REG_INTF_TP_COLOR1			0x05C
+#define MDSS_MDP_REG_INTF_FRAME_LINE_COUNT_EN           0x0A8
+#define MDSS_MDP_REG_INTF_FRAME_COUNT                   0x0AC
+#define MDSS_MDP_REG_INTF_LINE_COUNT                    0x0B0
 
 #define MDSS_MDP_REG_INTF_DEFLICKER_CONFIG		0x0F0
 #define MDSS_MDP_REG_INTF_DEFLICKER_STRNG_COEFF		0x0F4
diff --git a/drivers/video/msm/mdss/mdss_mdp_intf_cmd.c b/drivers/video/msm/mdss/mdss_mdp_intf_cmd.c
index 006a8dd..e0be862 100644
--- a/drivers/video/msm/mdss/mdss_mdp_intf_cmd.c
+++ b/drivers/video/msm/mdss/mdss_mdp_intf_cmd.c
@@ -15,30 +15,50 @@
 #include "mdss_panel.h"
 #include "mdss_mdp.h"
 
+#define VSYNC_EXPIRE_TICK 4
+
 #define START_THRESHOLD 4
 #define CONTINUE_TRESHOLD 4
 
 #define MAX_SESSIONS 2
 
+/* wait for at most 2 vsync for lowest refresh rate (24hz) */
+#define KOFF_TIMEOUT msecs_to_jiffies(84)
+
 struct mdss_mdp_cmd_ctx {
 	u32 pp_num;
 	u8 ref_cnt;
-
 	struct completion pp_comp;
+	struct completion stop_comp;
 	atomic_t vsync_ref;
-	spinlock_t vsync_lock;
-	mdp_vsync_handler_t vsync_handler;
+	mdp_vsync_handler_t send_vsync;
 	int panel_on;
+	int koff_cnt;
+	int clk_enabled;
+	int clk_control;
+	int vsync_enabled;
+	int expire;
+	struct mutex clk_mtx;
+	spinlock_t clk_lock;
+	struct work_struct clk_work;
 
 	/* te config */
 	u8 tear_check;
-	u16 total_lcd_lines;
-	u16 v_porch;	/* vertical porches */
-	u32 vsync_cnt;
+	u16 height;	/* panel height */
+	u16 vporch;	/* vertical porches */
+	u32 vclk_line;	/* vsync clock per line */
 };
 
 struct mdss_mdp_cmd_ctx mdss_mdp_cmd_ctx_list[MAX_SESSIONS];
 
+/*
+ * TE configuration:
+ * dsi byte clock calculated base on 70 fps
+ * around 14 ms to complete a kickoff cycle if te disabled
+ * vclk_line base on 60 fps
+ * write is faster than read
+ * init == start == rdptr
+ */
 static int mdss_mdp_cmd_tearcheck_cfg(struct mdss_mdp_mixer *mixer,
 			struct mdss_mdp_cmd_ctx *ctx, int enable)
 {
@@ -47,15 +67,21 @@
 	cfg = BIT(19); /* VSYNC_COUNTER_EN */
 	if (ctx->tear_check)
 		cfg |= BIT(20);	/* VSYNC_IN_EN */
-	cfg |= ctx->vsync_cnt;
+	cfg |= ctx->vclk_line;
 
 	mdss_mdp_pingpong_write(mixer, MDSS_MDP_REG_PP_SYNC_CONFIG_VSYNC, cfg);
 	mdss_mdp_pingpong_write(mixer, MDSS_MDP_REG_PP_SYNC_CONFIG_HEIGHT,
 				0xfff0); /* set to verh height */
-	mdss_mdp_pingpong_write(mixer, MDSS_MDP_REG_PP_VSYNC_INIT_VAL, 0);
-	mdss_mdp_pingpong_write(mixer, MDSS_MDP_REG_PP_RD_PTR_IRQ, 0);
 
-	mdss_mdp_pingpong_write(mixer, MDSS_MDP_REG_PP_START_POS, ctx->v_porch);
+	mdss_mdp_pingpong_write(mixer, MDSS_MDP_REG_PP_VSYNC_INIT_VAL,
+						ctx->height);
+
+	mdss_mdp_pingpong_write(mixer, MDSS_MDP_REG_PP_RD_PTR_IRQ,
+						ctx->height + 1);
+
+	mdss_mdp_pingpong_write(mixer, MDSS_MDP_REG_PP_START_POS,
+						ctx->height);
+
 	mdss_mdp_pingpong_write(mixer, MDSS_MDP_REG_PP_SYNC_THRESH,
 			   (CONTINUE_TRESHOLD << 16) | (START_THRESHOLD));
 
@@ -73,7 +99,6 @@
 
 	if (pinfo->mipi.vsync_enable && enable) {
 		u32 mdp_vsync_clk_speed_hz, total_lines;
-		u32 vsync_cnt_cfg_dem;
 
 		mdss_mdp_vsync_clk_enable(1);
 
@@ -88,21 +113,18 @@
 		}
 
 		ctx->tear_check = pinfo->mipi.hw_vsync_mode;
-
-		total_lines = pinfo->lcdc.v_back_porch +
-				    pinfo->lcdc.v_front_porch +
-				    pinfo->lcdc.v_pulse_width + pinfo->yres;
-
-		vsync_cnt_cfg_dem =
-			mult_frac(pinfo->mipi.frame_rate * total_lines,
-						1, 100);
-
-		ctx->vsync_cnt = mdp_vsync_clk_speed_hz / vsync_cnt_cfg_dem;
-
-		ctx->v_porch = pinfo->lcdc.v_back_porch +
+		ctx->height = pinfo->yres;
+		ctx->vporch = pinfo->lcdc.v_back_porch +
 				    pinfo->lcdc.v_front_porch +
 				    pinfo->lcdc.v_pulse_width;
-		ctx->total_lcd_lines = total_lines;
+
+		total_lines = ctx->height + ctx->vporch;
+		total_lines *= pinfo->mipi.frame_rate;
+		ctx->vclk_line = mdp_vsync_clk_speed_hz / total_lines;
+
+		pr_debug("%s: fr=%d tline=%d vcnt=%d vrate=%d\n",
+			__func__, pinfo->mipi.frame_rate, total_lines,
+				ctx->vclk_line, mdp_vsync_clk_speed_hz);
 	} else {
 		enable = 0;
 	}
@@ -118,54 +140,6 @@
 	return 0;
 }
 
-static inline void cmd_readptr_irq_enable(struct mdss_mdp_ctl *ctl)
-{
-	struct mdss_mdp_cmd_ctx *ctx = ctl->priv_data;
-
-	if (atomic_inc_return(&ctx->vsync_ref) == 1) {
-		pr_debug("%s:\n", __func__);
-		mdss_mdp_irq_enable(MDSS_MDP_IRQ_PING_PONG_RD_PTR, ctx->pp_num);
-	}
-}
-
-static inline void cmd_readptr_irq_disable(struct mdss_mdp_ctl *ctl)
-{
-	struct mdss_mdp_cmd_ctx *ctx = ctl->priv_data;
-
-	if (atomic_dec_return(&ctx->vsync_ref) == 0) {
-		pr_debug("%s:\n", __func__);
-		mdss_mdp_irq_disable(MDSS_MDP_IRQ_PING_PONG_RD_PTR,
-							ctx->pp_num);
-	}
-}
-
-int mdss_mdp_cmd_set_vsync_handler(struct mdss_mdp_ctl *ctl,
-		mdp_vsync_handler_t vsync_handler)
-{
-	struct mdss_mdp_cmd_ctx *ctx;
-	unsigned long flags;
-
-	ctx = (struct mdss_mdp_cmd_ctx *) ctl->priv_data;
-	if (!ctx) {
-		pr_err("invalid ctx for ctl=%d\n", ctl->num);
-		return -ENODEV;
-	}
-
-	spin_lock_irqsave(&ctx->vsync_lock, flags);
-
-	if (!ctx->vsync_handler && vsync_handler) {
-		ctx->vsync_handler = vsync_handler;
-		cmd_readptr_irq_enable(ctl);
-	} else if (ctx->vsync_handler && !vsync_handler) {
-		cmd_readptr_irq_disable(ctl);
-		ctx->vsync_handler = vsync_handler;
-	}
-
-	spin_unlock_irqrestore(&ctx->vsync_lock, flags);
-
-	return 0;
-}
-
 static void mdss_mdp_cmd_readptr_done(void *arg)
 {
 	struct mdss_mdp_ctl *ctl = arg;
@@ -177,15 +151,29 @@
 		return;
 	}
 
-	pr_debug("%s: ctl=%d intf_num=%d\n", __func__, ctl->num, ctl->intf_num);
+	pr_debug("%s: num=%d ctx=%d expire=%d koff=%d\n", __func__, ctl->num,
+			ctx->pp_num, ctx->expire, ctx->koff_cnt);
 
 	vsync_time = ktime_get();
 	ctl->vsync_cnt++;
 
-	spin_lock(&ctx->vsync_lock);
-	if (ctx->vsync_handler)
-		ctx->vsync_handler(ctl, vsync_time);
-	spin_unlock(&ctx->vsync_lock);
+	spin_lock(&ctx->clk_lock);
+	if (ctx->send_vsync)
+		ctx->send_vsync(ctl, vsync_time);
+
+	if (ctx->expire) {
+		ctx->expire--;
+		if (ctx->expire == 0) {
+			if (ctx->koff_cnt <= 0) {
+				ctx->clk_control = 1;
+				schedule_work(&ctx->clk_work);
+			} else {
+				/* put off one vsync */
+				ctx->expire += 1;
+			}
+		}
+	}
+	spin_unlock(&ctx->clk_lock);
 }
 
 static void mdss_mdp_cmd_pingpong_done(void *arg)
@@ -193,12 +181,161 @@
 	struct mdss_mdp_ctl *ctl = arg;
 	struct mdss_mdp_cmd_ctx *ctx = ctl->priv_data;
 
-	pr_debug("%s: intf_num=%d ctx=%p\n", __func__, ctl->intf_num, ctx);
+	if (!ctx) {
+		pr_err("%s: invalid ctx\n", __func__);
+		return;
+	}
 
+	spin_lock(&ctx->clk_lock);
 	mdss_mdp_irq_disable_nosync(MDSS_MDP_IRQ_PING_PONG_COMP, ctx->pp_num);
 
-	if (ctx)
-		complete(&ctx->pp_comp);
+	complete_all(&ctx->pp_comp);
+
+	if (ctx->koff_cnt)
+		ctx->koff_cnt--;
+
+	pr_debug("%s: ctl_num=%d intf_num=%d ctx=%d kcnt=%d\n", __func__,
+		ctl->num, ctl->intf_num, ctx->pp_num, ctx->koff_cnt);
+
+	spin_unlock(&ctx->clk_lock);
+}
+
+static void clk_ctrl_work(struct work_struct *work)
+{
+	unsigned long flags;
+	struct mdss_mdp_cmd_ctx *ctx =
+		container_of(work, typeof(*ctx), clk_work);
+
+	if (!ctx) {
+		pr_err("%s: invalid ctx\n", __func__);
+		return;
+	}
+
+	pr_debug("%s:ctx=%p num=%d\n", __func__, ctx, ctx->pp_num);
+
+	mutex_lock(&ctx->clk_mtx);
+	spin_lock_irqsave(&ctx->clk_lock, flags);
+	if (ctx->clk_control && ctx->clk_enabled) {
+		ctx->clk_enabled = 0;
+		ctx->clk_control = 0;
+		spin_unlock_irqrestore(&ctx->clk_lock, flags);
+		/*
+		 * make sure dsi link is idle  here
+		 */
+		ctx->vsync_enabled = 0;
+		mdss_mdp_irq_disable(MDSS_MDP_IRQ_PING_PONG_RD_PTR,
+						ctx->pp_num);
+		mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_OFF, false);
+		complete(&ctx->stop_comp);
+		pr_debug("%s: SET_CLK_OFF, pid=%d\n", __func__, current->pid);
+	} else {
+		spin_unlock_irqrestore(&ctx->clk_lock, flags);
+	}
+	mutex_unlock(&ctx->clk_mtx);
+}
+
+static int mdss_mdp_cmd_vsync_ctrl(struct mdss_mdp_ctl *ctl,
+		mdp_vsync_handler_t send_vsync)
+{
+	struct mdss_mdp_cmd_ctx *ctx;
+	unsigned long flags;
+	int enable;
+
+	ctx = (struct mdss_mdp_cmd_ctx *) ctl->priv_data;
+	if (!ctx) {
+		pr_err("%s: invalid ctx\n", __func__);
+		return -ENODEV;
+	}
+
+	enable = (send_vsync != NULL);
+
+	pr_debug("%s: ctx=%p ctx=%d enabled=%d %d clk_enabled=%d clk_ctrl=%d\n",
+			__func__, ctx, ctx->pp_num, ctx->vsync_enabled, enable,
+					ctx->clk_enabled, ctx->clk_control);
+
+	mutex_lock(&ctx->clk_mtx);
+	if (ctx->vsync_enabled == enable) {
+		mutex_unlock(&ctx->clk_mtx);
+		return 0;
+	}
+
+	if (enable) {
+		spin_lock_irqsave(&ctx->clk_lock, flags);
+		ctx->clk_control = 0;
+		ctx->expire = 0;
+		ctx->send_vsync = send_vsync;
+		spin_unlock_irqrestore(&ctx->clk_lock, flags);
+		if (ctx->clk_enabled == 0) {
+			mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_ON, false);
+			mdss_mdp_irq_enable(MDSS_MDP_IRQ_PING_PONG_RD_PTR,
+							ctx->pp_num);
+			ctx->vsync_enabled = 1;
+			ctx->clk_enabled = 1;
+			pr_debug("%s: SET_CLK_ON, pid=%d\n", __func__,
+						current->pid);
+		}
+	} else {
+		spin_lock_irqsave(&ctx->clk_lock, flags);
+		ctx->expire = VSYNC_EXPIRE_TICK;
+		spin_unlock_irqrestore(&ctx->clk_lock, flags);
+	}
+	mutex_unlock(&ctx->clk_mtx);
+
+	return 0;
+}
+
+static void mdss_mdp_cmd_chk_clock(struct mdss_mdp_cmd_ctx *ctx)
+{
+	unsigned long flags;
+	int set_clk_on = 0;
+
+	if (!ctx) {
+		pr_err("invalid ctx\n");
+		return;
+	}
+
+	pr_debug("%s: ctx=%p num=%d clk_enabled=%d\n", __func__,
+				ctx, ctx->pp_num, ctx->clk_enabled);
+
+	mutex_lock(&ctx->clk_mtx);
+	spin_lock_irqsave(&ctx->clk_lock, flags);
+	ctx->koff_cnt++;
+	ctx->clk_control = 0;
+	ctx->expire = VSYNC_EXPIRE_TICK;
+	if (ctx->clk_enabled == 0) {
+		set_clk_on++;
+		ctx->clk_enabled = 1;
+	}
+	spin_unlock_irqrestore(&ctx->clk_lock, flags);
+
+	if (set_clk_on) {
+		mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_ON, false);
+		ctx->vsync_enabled = 1;
+		mdss_mdp_irq_enable(MDSS_MDP_IRQ_PING_PONG_RD_PTR, ctx->pp_num);
+		pr_debug("%s: ctx=%p num=%d SET_CLK_ON\n", __func__,
+						ctx, ctx->pp_num);
+	}
+	mutex_unlock(&ctx->clk_mtx);
+}
+
+static int mdss_mdp_cmd_wait4comp(struct mdss_mdp_ctl *ctl, void *arg)
+{
+	struct mdss_mdp_cmd_ctx *ctx;
+	int rc;
+
+	ctx = (struct mdss_mdp_cmd_ctx *) ctl->priv_data;
+	if (!ctx) {
+		pr_err("invalid ctx\n");
+		return -ENODEV;
+	}
+
+	pr_debug("%s: intf_num=%d ctx=%p\n", __func__, ctl->intf_num, ctx);
+
+	rc = wait_for_completion_interruptible_timeout(&ctx->pp_comp,
+			KOFF_TIMEOUT);
+	WARN(rc <= 0, "cmd kickoff timed out (%d) ctl=%d\n", rc, ctl->num);
+
+	return rc;
 }
 
 int mdss_mdp_cmd_kickoff(struct mdss_mdp_ctl *ctl, void *arg)
@@ -207,14 +344,16 @@
 	int rc;
 
 	ctx = (struct mdss_mdp_cmd_ctx *) ctl->priv_data;
-	pr_debug("%s: kickoff intf_num=%d ctx=%p\n", __func__,
-					ctl->intf_num, ctx);
-
 	if (!ctx) {
 		pr_err("invalid ctx\n");
 		return -ENODEV;
 	}
 
+	pr_debug("%s: kickoff intf_num=%d ctx=%p\n", __func__,
+					ctl->intf_num, ctx);
+
+	mdss_mdp_cmd_chk_clock(ctx);
+
 	if (ctx->panel_on == 0) {
 		rc = mdss_mdp_ctl_intf_event(ctl, MDSS_EVENT_UNBLANK, NULL);
 		WARN(rc, "intf %d unblank error (%d)\n", ctl->intf_num, rc);
@@ -230,27 +369,37 @@
 
 	mdss_mdp_ctl_write(ctl, MDSS_MDP_REG_CTL_START, 1);
 
-	wait_for_completion_interruptible(&ctx->pp_comp);
-
 	return 0;
 }
 
 int mdss_mdp_cmd_stop(struct mdss_mdp_ctl *ctl)
 {
 	struct mdss_mdp_cmd_ctx *ctx;
+	int need_wait = 0;
 	int ret;
 
-	pr_debug("%s: +\n", __func__);
-
 	ctx = (struct mdss_mdp_cmd_ctx *) ctl->priv_data;
 	if (!ctx) {
 		pr_err("invalid ctx\n");
 		return -ENODEV;
 	}
 
+	pr_debug("%s:+ vaync_enable=%d expire=%d\n", __func__,
+		ctx->vsync_enabled, ctx->expire);
+
+	mutex_lock(&ctx->clk_mtx);
+	if (ctx->vsync_enabled) {
+		INIT_COMPLETION(ctx->stop_comp);
+		need_wait = 1;
+	}
+	mutex_unlock(&ctx->clk_mtx);
+
+	if (need_wait)
+		wait_for_completion_interruptible(&ctx->stop_comp);
+
 	ctx->panel_on = 0;
 
-	mdss_mdp_cmd_set_vsync_handler(ctl, NULL);
+	mdss_mdp_cmd_vsync_ctrl(ctl, NULL);
 
 	mdss_mdp_set_intr_callback(MDSS_MDP_IRQ_PING_PONG_RD_PTR, ctl->intf_num,
 				   NULL, NULL);
@@ -265,7 +414,6 @@
 
 	ret = mdss_mdp_ctl_intf_event(ctl, MDSS_EVENT_PANEL_OFF, NULL);
 	WARN(ret, "intf %d unblank error (%d)\n", ctl->intf_num, ret);
-	mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_OFF, false);
 
 	pr_debug("%s:-\n", __func__);
 
@@ -280,8 +428,6 @@
 
 	pr_debug("%s:+\n", __func__);
 
-	mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_ON, false);
-
 	mixer = mdss_mdp_mixer_get(ctl, MDSS_MDP_MIXER_MUX_LEFT);
 	if (!mixer) {
 		pr_err("mixer not setup correctly\n");
@@ -308,8 +454,14 @@
 
 	ctx->pp_num = mixer->num;
 	init_completion(&ctx->pp_comp);
-	spin_lock_init(&ctx->vsync_lock);
+	init_completion(&ctx->stop_comp);
 	atomic_set(&ctx->vsync_ref, 0);
+	spin_lock_init(&ctx->clk_lock);
+	mutex_init(&ctx->clk_mtx);
+	INIT_WORK(&ctx->clk_work, clk_ctrl_work);
+
+	pr_debug("%s: ctx=%p num=%d mixer=%d\n", __func__,
+				ctx, ctx->pp_num, mixer->num);
 
 	mdss_mdp_set_intr_callback(MDSS_MDP_IRQ_PING_PONG_RD_PTR, ctx->pp_num,
 				   mdss_mdp_cmd_readptr_done, ctl);
@@ -325,7 +477,8 @@
 
 	ctl->stop_fnc = mdss_mdp_cmd_stop;
 	ctl->display_fnc = mdss_mdp_cmd_kickoff;
-	ctl->set_vsync_handler = mdss_mdp_cmd_set_vsync_handler;
+	ctl->wait_fnc = mdss_mdp_cmd_wait4comp;
+	ctl->set_vsync_handler = mdss_mdp_cmd_vsync_ctrl;
 
 	pr_debug("%s:-\n", __func__);
 
diff --git a/drivers/video/msm/mdss/mdss_mdp_intf_video.c b/drivers/video/msm/mdss/mdss_mdp_intf_video.c
index 6e631e9..94ae710 100644
--- a/drivers/video/msm/mdss/mdss_mdp_intf_video.c
+++ b/drivers/video/msm/mdss/mdss_mdp_intf_video.c
@@ -59,6 +59,22 @@
 	writel_relaxed(val, ctx->base + reg);
 }
 
+static inline u32 mdp_video_read(struct mdss_mdp_video_ctx *ctx,
+				   u32 reg)
+{
+	return readl_relaxed(ctx->base + reg);
+}
+
+static inline u32 mdss_mdp_video_line_count(struct mdss_mdp_ctl *ctl)
+{
+	struct mdss_mdp_video_ctx *ctx = ctl->priv_data;
+	u32 line_cnt = 0;
+	mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_ON, false);
+	line_cnt = mdp_video_read(ctx, MDSS_MDP_REG_INTF_LINE_COUNT);
+	mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_OFF, false);
+	return line_cnt;
+}
+
 int mdss_mdp_video_addr_setup(struct mdss_data_type *mdata,
 				u32 *offsets,  u32 count)
 {
@@ -171,6 +187,7 @@
 			   p->underflow_clr);
 	mdp_video_write(ctx, MDSS_MDP_REG_INTF_HSYNC_SKEW, p->hsync_skew);
 	mdp_video_write(ctx, MDSS_MDP_REG_INTF_POLARITY_CTL, polarity_ctl);
+	mdp_video_write(ctx, MDSS_MDP_REG_INTF_FRAME_LINE_COUNT_EN, 0x3);
 
 	return 0;
 }
@@ -284,7 +301,8 @@
 	vsync_time = ktime_get();
 	ctl->vsync_cnt++;
 
-	pr_debug("intr ctl=%d vsync cnt=%u\n", ctl->num, ctl->vsync_cnt);
+	pr_debug("intr ctl=%d vsync cnt=%u vsync_time=%d\n",
+		 ctl->num, ctl->vsync_cnt, (int)ktime_to_ms(vsync_time));
 
 	complete_all(&ctx->vsync_comp);
 	spin_lock(&ctx->vsync_lock);
@@ -454,6 +472,7 @@
 	ctl->display_fnc = mdss_mdp_video_display;
 	ctl->wait_fnc = mdss_mdp_video_wait4comp;
 	ctl->set_vsync_handler = mdss_mdp_video_set_vsync_handler;
+	ctl->read_line_cnt_fnc = mdss_mdp_video_line_count;
 
 	return 0;
 }
diff --git a/drivers/video/msm/mdss/mdss_mdp_intf_writeback.c b/drivers/video/msm/mdss/mdss_mdp_intf_writeback.c
index d86527b..0c08eda 100644
--- a/drivers/video/msm/mdss/mdss_mdp_intf_writeback.c
+++ b/drivers/video/msm/mdss/mdss_mdp_intf_writeback.c
@@ -17,6 +17,9 @@
 #include "mdss_mdp.h"
 #include "mdss_mdp_rotator.h"
 
+/* wait for at most 2 vsync for lowest refresh rate (24hz) */
+#define KOFF_TIMEOUT msecs_to_jiffies(84)
+
 enum mdss_mdp_writeback_type {
 	MDSS_MDP_WRITEBACK_TYPE_ROTATOR,
 	MDSS_MDP_WRITEBACK_TYPE_LINE,
@@ -28,6 +31,8 @@
 	char __iomem *base;
 	u8 ref_cnt;
 	u8 type;
+	struct completion wb_comp;
+	int comp_cnt;
 
 	u32 intr_type;
 	u32 intf_num;
@@ -321,10 +326,37 @@
 	pr_debug("intr wb_num=%d\n", ctx->wb_num);
 
 	mdss_mdp_irq_disable_nosync(ctx->intr_type, ctx->intf_num);
-	mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_OFF, true);
 
 	if (ctx->callback_fnc)
 		ctx->callback_fnc(ctx->callback_arg);
+
+	complete_all(&ctx->wb_comp);
+}
+
+static int mdss_mdp_wb_wait4comp(struct mdss_mdp_ctl *ctl, void *arg)
+{
+	struct mdss_mdp_writeback_ctx *ctx;
+	int rc = 0;
+
+	ctx = (struct mdss_mdp_writeback_ctx *) ctl->priv_data;
+	if (!ctx) {
+		pr_err("invalid ctx\n");
+		return -ENODEV;
+	}
+
+	if (ctx->comp_cnt == 0)
+		return rc;
+
+	rc = wait_for_completion_interruptible_timeout(&ctx->wb_comp,
+			KOFF_TIMEOUT);
+	WARN(rc <= 0, "writeback kickoff timed out (%d) ctl=%d\n",
+							rc, ctl->num);
+
+	mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_OFF, false); /* clock off */
+
+	ctx->comp_cnt--;
+
+	return rc;
 }
 
 static int mdss_mdp_writeback_display(struct mdss_mdp_ctl *ctl, void *arg)
@@ -338,6 +370,12 @@
 	if (!ctx)
 		return -ENODEV;
 
+	if (ctx->comp_cnt) {
+		pr_err("previous kickoff not completed yet, ctl=%d\n",
+					ctl->num);
+		return -EPERM;
+	}
+
 	wb_args = (struct mdss_mdp_writeback_arg *) arg;
 	if (!wb_args)
 		return -ENOENT;
@@ -352,14 +390,18 @@
 	ctx->callback_arg = wb_args->priv_data;
 
 	flush_bits = BIT(16); /* WB */
+	mdp_wb_write(ctx, MDSS_MDP_REG_WB_DST_ADDR_SW_STATUS, ctl->is_secure);
 	mdss_mdp_ctl_write(ctl, MDSS_MDP_REG_CTL_FLUSH, flush_bits);
 
+	INIT_COMPLETION(ctx->wb_comp);
 	mdss_mdp_irq_enable(ctx->intr_type, ctx->intf_num);
 
 	mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_ON, false);
 	mdss_mdp_ctl_write(ctl, MDSS_MDP_REG_CTL_START, 1);
 	wmb();
 
+	ctx->comp_cnt++;
+
 	return 0;
 }
 
@@ -387,6 +429,7 @@
 	ctx->wb_num = ctl->num;	/* wb num should match ctl num */
 	ctx->base = ctl->wb_base;
 	ctx->initialized = false;
+	init_completion(&ctx->wb_comp);
 
 	mdss_mdp_set_intr_callback(ctx->intr_type, ctx->intf_num,
 				   mdss_mdp_writeback_intr_done, ctx);
@@ -397,6 +440,7 @@
 		ctl->prepare_fnc = mdss_mdp_writeback_prepare_wfd;
 	ctl->stop_fnc = mdss_mdp_writeback_stop;
 	ctl->display_fnc = mdss_mdp_writeback_display;
+	ctl->wait_fnc = mdss_mdp_wb_wait4comp;
 
 	return ret;
 }
diff --git a/drivers/video/msm/mdss/mdss_mdp_overlay.c b/drivers/video/msm/mdss/mdss_mdp_overlay.c
index 3cce4f9..6c90794 100644
--- a/drivers/video/msm/mdss/mdss_mdp_overlay.c
+++ b/drivers/video/msm/mdss/mdss_mdp_overlay.c
@@ -24,6 +24,7 @@
 #include <linux/msm_mdp.h>
 
 #include <mach/iommu_domains.h>
+#include <mach/event_timer.h>
 
 #include "mdss.h"
 #include "mdss_fb.h"
@@ -37,6 +38,7 @@
 
 static atomic_t ov_active_panels = ATOMIC_INIT(0);
 static int mdss_mdp_overlay_free_fb_pipe(struct msm_fb_data_type *mfd);
+static int mdss_mdp_overlay_fb_parse_dt(struct msm_fb_data_type *mfd);
 
 static int mdss_mdp_overlay_get(struct msm_fb_data_type *mfd,
 				struct mdp_overlay *req)
@@ -98,8 +100,20 @@
 		return -EOVERFLOW;
 	}
 
+	if (req->horz_deci || req->vert_deci) {
+		if (!mdata->has_decimation) {
+			pr_err("No Decimation in MDP V=%x\n", mdata->mdp_rev);
+			return -EINVAL;
+		} else if ((req->horz_deci > MAX_DECIMATION) ||
+				(req->vert_deci > MAX_DECIMATION))  {
+			pr_err("Invalid decimation factors horz=%d vert=%d\n",
+					req->horz_deci, req->vert_deci);
+			return -EINVAL;
+		}
+	}
+
 	if (!(req->flags & MDSS_MDP_ROT_ONLY)) {
-		u32 dst_w, dst_h;
+		u32 src_w, src_h, dst_w, dst_h;
 
 		if ((CHECK_BOUNDS(req->dst_rect.x, req->dst_rect.w, xres) ||
 		     CHECK_BOUNDS(req->dst_rect.y, req->dst_rect.h, yres))) {
@@ -117,27 +131,36 @@
 			dst_h = req->dst_rect.h;
 		}
 
-		if ((req->src_rect.w * MAX_UPSCALE_RATIO) < dst_w) {
+		src_w = req->src_rect.w >> req->horz_deci;
+		src_h = req->src_rect.h >> req->vert_deci;
+
+		if (src_w > MAX_MIXER_WIDTH) {
+			pr_err("invalid source width=%d HDec=%d\n",
+					req->src_rect.w, req->horz_deci);
+			return -EINVAL;
+		}
+
+		if ((src_w * MAX_UPSCALE_RATIO) < dst_w) {
 			pr_err("too much upscaling Width %d->%d\n",
 			       req->src_rect.w, req->dst_rect.w);
 			return -EINVAL;
 		}
 
-		if ((req->src_rect.h * MAX_UPSCALE_RATIO) < dst_h) {
+		if ((src_h * MAX_UPSCALE_RATIO) < dst_h) {
 			pr_err("too much upscaling. Height %d->%d\n",
 			       req->src_rect.h, req->dst_rect.h);
 			return -EINVAL;
 		}
 
-		if (req->src_rect.w > (dst_w * MAX_DOWNSCALE_RATIO)) {
-			pr_err("too much downscaling. Width %d->%d\n",
-			       req->src_rect.w, req->dst_rect.w);
+		if (src_w > (dst_w * MAX_DOWNSCALE_RATIO)) {
+			pr_err("too much downscaling. Width %d->%d H Dec=%d\n",
+			       src_w, req->dst_rect.w, req->horz_deci);
 			return -EINVAL;
 		}
 
-		if (req->src_rect.h > (dst_h * MAX_DOWNSCALE_RATIO)) {
-			pr_err("too much downscaling. Height %d->%d\n",
-			       req->src_rect.h, req->dst_rect.h);
+		if (src_h > (dst_h * MAX_DOWNSCALE_RATIO)) {
+			pr_err("too much downscaling. Height %d->%d V Dec=%d\n",
+			       src_h, req->dst_rect.h, req->vert_deci);
 			return -EINVAL;
 		}
 
@@ -176,6 +199,7 @@
 	struct mdss_mdp_rotator_session *rot;
 	struct mdss_mdp_format_params *fmt;
 	int ret = 0;
+	u32 bwc_enabled;
 
 	pr_debug("rot ctl=%u req id=%x\n", mdp5_data->ctl->num, req->id);
 
@@ -212,7 +236,14 @@
 	rot->flags = req->flags & (MDP_ROT_90 | MDP_FLIP_LR | MDP_FLIP_UD |
 				   MDP_SECURE_OVERLAY_SESSION);
 
-	rot->bwc_mode = (req->flags & MDP_BWC_EN) ? 1 : 0;
+	bwc_enabled = req->flags & MDP_BWC_EN;
+	if (bwc_enabled  &&  !mdp5_data->mdata->has_bwc) {
+		pr_err("BWC is not supported in MDP version %x\n",
+			mdp5_data->mdata->mdp_rev);
+		rot->bwc_mode = 0;
+	} else {
+		rot->bwc_mode = bwc_enabled ? 1 : 0;
+	}
 	rot->format = fmt->format;
 	rot->img_width = req->src.width;
 	rot->img_height = req->src.height;
@@ -248,6 +279,7 @@
 	struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
 	struct mdp_histogram_start_req hist;
 	int ret;
+	u32 bwc_enabled;
 
 	if (mdp5_data->ctl == NULL)
 		return -ENODEV;
@@ -344,8 +376,8 @@
 				pr_err("Can't switch mixer %d->%d pnum %d!\n",
 						pipe->mixer->num, mixer->num,
 						pipe->num);
-				mdss_mdp_pipe_unmap(pipe);
-				return -EINVAL;
+				ret = -EINVAL;
+				goto exit_fail;
 			}
 			pr_debug("switching pipe mixer %d->%d pnum %d\n",
 					pipe->mixer->num, mixer->num,
@@ -356,8 +388,15 @@
 	}
 
 	pipe->flags = req->flags;
-	pipe->bwc_mode = pipe->mixer->rotator_mode ?
-		0 : (req->flags & MDP_BWC_EN ? 1 : 0) ;
+	bwc_enabled = req->flags & MDP_BWC_EN;
+	if (bwc_enabled  &&  !mdp5_data->mdata->has_bwc) {
+		pr_err("BWC is not supported in MDP version %x\n",
+			mdp5_data->mdata->mdp_rev);
+		pipe->bwc_mode = 0;
+	} else {
+		pipe->bwc_mode = pipe->mixer->rotator_mode ?
+			0 : (bwc_enabled ? 1 : 0) ;
+	}
 	pipe->img_width = req->src.width & 0x3fff;
 	pipe->img_height = req->src.height & 0x3fff;
 	pipe->src.x = req->src_rect.x;
@@ -368,7 +407,8 @@
 	pipe->dst.y = req->dst_rect.y;
 	pipe->dst.w = req->dst_rect.w;
 	pipe->dst.h = req->dst_rect.h;
-
+	pipe->horz_deci = req->horz_deci;
+	pipe->vert_deci = req->vert_deci;
 	pipe->src_fmt = fmt;
 
 	pipe->mixer_stage = req->z_order;
@@ -436,6 +476,12 @@
 		}
 	}
 
+	ret = mdss_mdp_smp_reserve(pipe);
+	if (ret) {
+		pr_debug("mdss_mdp_smp_reserve failed. ret=%d\n", ret);
+		goto exit_fail;
+	}
+
 	pipe->params_changed++;
 
 	req->id = pipe->ndx;
@@ -445,6 +491,25 @@
 	mdss_mdp_pipe_unmap(pipe);
 
 	return ret;
+
+exit_fail:
+	mdss_mdp_pipe_unmap(pipe);
+
+	mutex_lock(&mfd->lock);
+	if (pipe->play_cnt == 0) {
+		pr_debug("failed for pipe %d\n", pipe->num);
+		list_del(&pipe->used_list);
+		mdss_mdp_pipe_destroy(pipe);
+	}
+
+	/* invalidate any overlays in this framebuffer after failure */
+	list_for_each_entry(pipe, &mdp5_data->pipes_used, used_list) {
+		pr_debug("freeing allocations for pipe %d\n", pipe->num);
+		mdss_mdp_smp_unreserve(pipe);
+		pipe->params_changed = 0;
+	}
+	mutex_unlock(&mfd->lock);
+	return ret;
 }
 
 static int mdss_mdp_overlay_set(struct msm_fb_data_type *mfd,
@@ -535,6 +600,7 @@
 		list_move(&pipe->cleanup_list, &destroy_pipes);
 		mdss_mdp_overlay_free_buf(&pipe->back_buf);
 		mdss_mdp_overlay_free_buf(&pipe->front_buf);
+		pipe->mfd = NULL;
 	}
 
 	list_for_each_entry(pipe, &mdp5_data->pipes_used, used_list) {
@@ -677,6 +743,19 @@
 	return rc;
 }
 
+static void mdss_mdp_overlay_update_pm(struct mdss_overlay_private *mdp5_data)
+{
+	ktime_t wakeup_time;
+
+	if (!mdp5_data->cpu_pm_hdl)
+		return;
+
+	if (mdss_mdp_display_wakeup_time(mdp5_data->ctl, &wakeup_time))
+		return;
+
+	activate_event_timer(mdp5_data->cpu_pm_hdl, wakeup_time);
+}
+
 int mdss_mdp_overlay_kickoff(struct msm_fb_data_type *mfd)
 {
 	struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
@@ -694,15 +773,17 @@
 		} else if (pipe->front_buf.num_planes) {
 			buf = &pipe->front_buf;
 		} else {
-			pr_warn("pipe queue without buffer\n");
-			buf = NULL;
+			pr_warn("pipe queue w/o buffer. unstaging layer\n");
+			pipe->params_changed = 0;
+			mdss_mdp_mixer_pipe_unstage(pipe);
+			continue;
 		}
 
 		ret = mdss_mdp_pipe_queue_data(pipe, buf);
 		if (IS_ERR_VALUE(ret)) {
 			pr_warn("Unable to queue data for pnum=%d\n",
 					pipe->num);
-			mdss_mdp_overlay_free_buf(buf);
+			mdss_mdp_mixer_pipe_unstage(pipe);
 		}
 	}
 
@@ -716,6 +797,8 @@
 	if (IS_ERR_VALUE(ret))
 		goto commit_fail;
 
+	mdss_mdp_overlay_update_pm(mdp5_data);
+
 	ret = mdss_mdp_display_wait4comp(mdp5_data->ctl);
 
 	complete(&mfd->update.comp);
@@ -778,12 +861,13 @@
 	if (ndx == BORDERFILL_NDX) {
 		pr_debug("borderfill disable\n");
 		mdp5_data->borderfill_enable = false;
-		return 0;
+		ret = 0;
+		goto done;
 	}
 
 	if (!mfd->panel_power_on) {
-		mutex_unlock(&mdp5_data->ov_lock);
-		return -EPERM;
+		ret = -EPERM;
+		goto done;
 	}
 
 	pr_debug("unset ndx=%x\n", ndx);
@@ -793,6 +877,7 @@
 	else
 		ret = mdss_mdp_overlay_release(mfd, ndx);
 
+done:
 	mutex_unlock(&mdp5_data->ov_lock);
 
 	return ret;
@@ -921,6 +1006,41 @@
 	return ret;
 }
 
+static int mdss_mdp_overlay_force_cleanup(struct msm_fb_data_type *mfd)
+{
+	struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
+	struct mdss_mdp_ctl *ctl = mdp5_data->ctl;
+	int ret;
+
+	pr_debug("forcing cleanup to unset dma pipes on fb%d\n", mfd->index);
+
+	/*
+	 * video mode panels require the layer to be unstaged and wait for
+	 * vsync to be able to release buffer.
+	 */
+	if (ctl && ctl->is_video_mode) {
+		ret = mdss_mdp_display_commit(ctl, NULL);
+		if (!IS_ERR_VALUE(ret))
+			mdss_mdp_display_wait4comp(ctl);
+	}
+
+	ret = mdss_mdp_overlay_cleanup(mfd);
+
+	return ret;
+}
+
+static void mdss_mdp_overlay_force_dma_cleanup(struct mdss_data_type *mdata)
+{
+	struct mdss_mdp_pipe *pipe;
+	int i;
+
+	for (i = 0; i < mdata->ndma_pipes; i++) {
+		pipe = mdata->dma_pipes + i;
+		if (atomic_read(&pipe->ref_cnt) && pipe->mfd)
+			mdss_mdp_overlay_force_cleanup(pipe->mfd);
+	}
+}
+
 static int mdss_mdp_overlay_play(struct msm_fb_data_type *mfd,
 				 struct msmfb_overlay_data *req)
 {
@@ -934,17 +1054,19 @@
 		return ret;
 
 	if (!mfd->panel_power_on) {
-		mutex_unlock(&mdp5_data->ov_lock);
-		return -EPERM;
+		ret = -EPERM;
+		goto done;
 	}
 
 	ret = mdss_mdp_overlay_start(mfd);
 	if (ret) {
 		pr_err("unable to start overlay %d (%d)\n", mfd->index, ret);
-		return ret;
+		goto done;
 	}
 
 	if (req->id & MDSS_MDP_ROT_SESSION_MASK) {
+		mdss_mdp_overlay_force_dma_cleanup(mfd_to_mdata(mfd));
+
 		ret = mdss_mdp_overlay_rotate(mfd, req);
 	} else if (req->id == BORDERFILL_NDX) {
 		pr_debug("borderfill enable\n");
@@ -954,6 +1076,7 @@
 		ret = mdss_mdp_overlay_queue(mfd, req);
 	}
 
+done:
 	mutex_unlock(&mdp5_data->ov_lock);
 
 	return ret;
@@ -1562,6 +1685,10 @@
 	caps->vig_pipes = mdata->nvig_pipes;
 	caps->rgb_pipes = mdata->nrgb_pipes;
 	caps->dma_pipes = mdata->ndma_pipes;
+	if (mdata->has_bwc)
+		caps->features |= MDP_BWC_EN;
+	if (mdata->has_decimation)
+		caps->features |= MDP_DECIMATION_EN;
 	return 0;
 }
 
@@ -1649,11 +1776,8 @@
 			struct msmfb_overlay_data data;
 
 			ret = copy_from_user(&data, argp, sizeof(data));
-			if (!ret) {
+			if (!ret)
 				ret = mdss_mdp_overlay_play(mfd, &data);
-				if (!IS_ERR_VALUE(ret))
-					mdss_fb_update_backlight(mfd);
-			}
 
 			if (ret)
 				pr_debug("OVERLAY_PLAY failed (%d)\n", ret);
@@ -1864,6 +1988,10 @@
 	}
 	mfd->mdp.private1 = mdp5_data;
 
+	rc = mdss_mdp_overlay_fb_parse_dt(mfd);
+	if (rc)
+		return rc;
+
 	rc = sysfs_create_group(&dev->kobj, &vsync_fs_attr_group);
 	if (rc) {
 		pr_err("vsync sysfs group creation failed, ret=%d\n", rc);
@@ -1876,8 +2004,27 @@
 	kobject_uevent(&dev->kobj, KOBJ_ADD);
 	pr_debug("vsync kobject_uevent(KOBJ_ADD)\n");
 
+	mdp5_data->cpu_pm_hdl = add_event_timer(NULL, (void *)mdp5_data);
+	if (!mdp5_data->cpu_pm_hdl)
+		pr_warn("%s: unable to add event timer\n", __func__);
+
 	return rc;
 init_fail:
 	kfree(mdp5_data);
 	return rc;
 }
+
+static int mdss_mdp_overlay_fb_parse_dt(struct msm_fb_data_type *mfd)
+{
+	struct platform_device *pdev = mfd->pdev;
+	struct mdss_overlay_private *mdp5_mdata = mfd_to_mdp5_data(mfd);
+
+	mdp5_mdata->mixer_swap = of_property_read_bool(pdev->dev.of_node,
+					   "qcom,mdss-mixer-swap");
+	if (mdp5_mdata->mixer_swap) {
+		pr_info("mixer swap is enabled for fb device=%s\n",
+			pdev->name);
+	}
+
+	return 0;
+}
diff --git a/drivers/video/msm/mdss/mdss_mdp_pipe.c b/drivers/video/msm/mdss/mdss_mdp_pipe.c
index d9b4483..0f65530 100644
--- a/drivers/video/msm/mdss/mdss_mdp_pipe.c
+++ b/drivers/video/msm/mdss/mdss_mdp_pipe.c
@@ -40,17 +40,18 @@
 	return readl_relaxed(pipe->base + reg);
 }
 
-static u32 mdss_mdp_smp_mmb_reserve(unsigned long *smp, size_t n)
+static u32 mdss_mdp_smp_mmb_reserve(unsigned long *existing,
+	unsigned long *reserve, size_t n)
 {
 	u32 i, mmb;
 
 	/* reserve more blocks if needed, but can't free mmb at this point */
-	for (i = bitmap_weight(smp, SMP_MB_CNT); i < n; i++) {
+	for (i = bitmap_weight(existing, SMP_MB_CNT); i < n; i++) {
 		if (bitmap_full(mdss_mdp_smp_mmb_pool, SMP_MB_CNT))
 			break;
 
 		mmb = find_first_zero_bit(mdss_mdp_smp_mmb_pool, SMP_MB_CNT);
-		set_bit(mmb, smp);
+		set_bit(mmb, reserve);
 		set_bit(mmb, mdss_mdp_smp_mmb_pool);
 	}
 	return i;
@@ -74,10 +75,17 @@
 	return cnt;
 }
 
-static void mdss_mdp_smp_mmb_free(unsigned long *smp)
+static void mdss_mdp_smp_mmb_amend(unsigned long *smp, unsigned long *extra)
+{
+	bitmap_or(smp, smp, extra, SMP_MB_CNT);
+	bitmap_zero(extra, SMP_MB_CNT);
+}
+
+static void mdss_mdp_smp_mmb_free(unsigned long *smp, bool write)
 {
 	if (!bitmap_empty(smp, SMP_MB_CNT)) {
-		mdss_mdp_smp_mmb_set(MDSS_MDP_SMP_CLIENT_UNUSED, smp);
+		if (write)
+			mdss_mdp_smp_mmb_set(MDSS_MDP_SMP_CLIENT_UNUSED, smp);
 		bitmap_andnot(mdss_mdp_smp_mmb_pool, mdss_mdp_smp_mmb_pool,
 			      smp, SMP_MB_CNT);
 		bitmap_zero(smp, SMP_MB_CNT);
@@ -104,19 +112,33 @@
 
 static void mdss_mdp_smp_free(struct mdss_mdp_pipe *pipe)
 {
+	int i;
+
 	mutex_lock(&mdss_mdp_smp_lock);
-	mdss_mdp_smp_mmb_free(&pipe->smp[0]);
-	mdss_mdp_smp_mmb_free(&pipe->smp[1]);
-	mdss_mdp_smp_mmb_free(&pipe->smp[2]);
+	for (i = 0; i < MAX_PLANES; i++) {
+		mdss_mdp_smp_mmb_free(&pipe->smp_reserved[i], false);
+		mdss_mdp_smp_mmb_free(&pipe->smp[i], true);
+	}
 	mutex_unlock(&mdss_mdp_smp_lock);
 }
 
-static int mdss_mdp_smp_reserve(struct mdss_mdp_pipe *pipe)
+void mdss_mdp_smp_unreserve(struct mdss_mdp_pipe *pipe)
+{
+	int i;
+
+	mutex_lock(&mdss_mdp_smp_lock);
+	for (i = 0; i < MAX_PLANES; i++)
+		mdss_mdp_smp_mmb_free(&pipe->smp_reserved[i], false);
+	mutex_unlock(&mdss_mdp_smp_lock);
+}
+
+int mdss_mdp_smp_reserve(struct mdss_mdp_pipe *pipe)
 {
 	struct mdss_data_type *mdata = mdss_mdp_get_mdata();
 	u32 num_blks = 0, reserved = 0;
 	struct mdss_mdp_plane_sizes ps;
-	int i, rc;
+	int i;
+	int rc = 0;
 	u32 nlines;
 
 	if (pipe->bwc_mode) {
@@ -126,11 +148,10 @@
 			return rc;
 		pr_debug("BWC SMP strides ystride0=%x ystride1=%x\n",
 			ps.ystride[0], ps.ystride[1]);
-	} else if ((mdata->mdp_rev >= MDSS_MDP_HW_REV_102) &&
-			pipe->src_fmt->is_yuv) {
+	} else if (mdata->has_decimation && pipe->src_fmt->is_yuv) {
 		ps.num_planes = 2;
-		ps.ystride[0] = pipe->src.w;
-		ps.ystride[1] = pipe->src.w;
+		ps.ystride[0] = pipe->src.w >> pipe->horz_deci;
+		ps.ystride[1] = pipe->src.h >> pipe->vert_deci;
 	} else {
 		rc = mdss_mdp_get_plane_sizes(pipe->src_fmt->format,
 			pipe->src.w, pipe->src.h, &ps, 0);
@@ -141,29 +162,29 @@
 	mutex_lock(&mdss_mdp_smp_lock);
 	for (i = 0; i < ps.num_planes; i++) {
 		nlines = pipe->bwc_mode ? ps.rau_h[i] : 2;
-		num_blks = DIV_ROUND_UP(nlines * ps.ystride[i],
-			mdss_res->smp_mb_size);
+		num_blks = DIV_ROUND_UP(nlines * ps.ystride[i], SMP_MB_SIZE);
 
 		if (mdata->mdp_rev == MDSS_MDP_HW_REV_100)
 			num_blks = roundup_pow_of_two(num_blks);
 
 		pr_debug("reserving %d mmb for pnum=%d plane=%d\n",
 				num_blks, pipe->num, i);
-		reserved = mdss_mdp_smp_mmb_reserve(&pipe->smp[i], num_blks);
+		reserved = mdss_mdp_smp_mmb_reserve(&pipe->smp[i],
+			&pipe->smp_reserved[i], num_blks);
 
 		if (reserved < num_blks)
 			break;
 	}
 
 	if (reserved < num_blks) {
-		pr_err("insufficient MMB blocks\n");
+		pr_debug("insufficient MMB blocks\n");
 		for (; i >= 0; i--)
-			mdss_mdp_smp_mmb_free(&pipe->smp[i]);
-		return -ENOMEM;
+			mdss_mdp_smp_mmb_free(&pipe->smp_reserved[i], false);
+		rc = -ENOMEM;
 	}
 	mutex_unlock(&mdss_mdp_smp_lock);
 
-	return 0;
+	return rc;
 }
 
 static int mdss_mdp_smp_alloc(struct mdss_mdp_pipe *pipe)
@@ -172,8 +193,10 @@
 	int cnt = 0;
 
 	mutex_lock(&mdss_mdp_smp_lock);
-	for (i = 0; i < MAX_PLANES; i++)
+	for (i = 0; i < MAX_PLANES; i++) {
+		mdss_mdp_smp_mmb_amend(&pipe->smp[i], &pipe->smp_reserved[i]);
 		cnt += mdss_mdp_smp_mmb_set(pipe->ftch_id + i, &pipe->smp[i]);
+	}
 	mdss_mdp_smp_set_wm_levels(pipe, cnt);
 	mutex_unlock(&mdss_mdp_smp_lock);
 	return 0;
@@ -256,11 +279,12 @@
 	}
 
 	if (pipe) {
-		pr_info("type=%x   pnum=%d\n", pipe->type, pipe->num);
+		pr_debug("type=%x   pnum=%d\n", pipe->type, pipe->num);
 		mutex_init(&pipe->pp_res.hist.hist_mutex);
 		spin_lock_init(&pipe->pp_res.hist.hist_lock);
-	} else
+	} else {
 		pr_err("no %d type pipes available\n", type);
+	}
 
 	return pipe;
 }
@@ -307,14 +331,16 @@
 	mutex_lock(&mdss_mdp_sspp_lock);
 
 	pipe = mdss_mdp_pipe_search(mdata, ndx);
-	if (!pipe)
-		return ERR_PTR(-EINVAL);
+	if (!pipe) {
+		pipe = ERR_PTR(-EINVAL);
+		goto error;
+	}
 
 	if (mdss_mdp_pipe_map(pipe))
-		return ERR_PTR(-EACCES);
+		pipe = ERR_PTR(-EACCES);
 
+error:
 	mutex_unlock(&mdss_mdp_sspp_lock);
-
 	return pipe;
 }
 
@@ -376,6 +402,7 @@
 {
 	u32 img_size, src_size, src_xy, dst_size, dst_xy, ystride0, ystride1;
 	u32 width, height;
+	u32 decimation;
 
 	pr_debug("pnum=%d wh=%dx%d src={%d,%d,%d,%d} dst={%d,%d,%d,%d}\n",
 		   pipe->num, pipe->img_width, pipe->img_height,
@@ -396,6 +423,12 @@
 		height /= 2;
 	}
 
+	decimation = ((1 << pipe->horz_deci) - 1) << 8;
+	decimation |= ((1 << pipe->vert_deci) - 1);
+	if (decimation)
+		pr_debug("Image decimation h=%d v=%d\n",
+				pipe->horz_deci, pipe->vert_deci);
+
 	img_size = (height << 16) | width;
 	src_size = (pipe->src.h << 16) | pipe->src.w;
 	src_xy = (pipe->src.y << 16) | pipe->src.x;
@@ -418,6 +451,8 @@
 	mdss_mdp_pipe_write(pipe, MDSS_MDP_REG_SSPP_OUT_XY, dst_xy);
 	mdss_mdp_pipe_write(pipe, MDSS_MDP_REG_SSPP_SRC_YSTRIDE0, ystride0);
 	mdss_mdp_pipe_write(pipe, MDSS_MDP_REG_SSPP_SRC_YSTRIDE1, ystride1);
+	mdss_mdp_pipe_write(pipe, MDSS_MDP_REG_SSPP_DECIMATION_CONFIG,
+		decimation);
 
 	return 0;
 }
@@ -636,13 +671,6 @@
 			mdss_mdp_pipe_write(pipe, MDSS_MDP_REG_VIG_OP_MODE,
 			opmode);
 
-		ret = mdss_mdp_smp_reserve(pipe);
-		if (ret) {
-			pr_err("unable to reserve smp for pnum=%d\n",
-			       pipe->num);
-			goto done;
-		}
-
 		mdss_mdp_smp_alloc(pipe);
 	}
 
diff --git a/drivers/video/msm/mdss/mdss_mdp_pp.c b/drivers/video/msm/mdss/mdss_mdp_pp.c
index cf9a8b6..8bd5674 100644
--- a/drivers/video/msm/mdss/mdss_mdp_pp.c
+++ b/drivers/video/msm/mdss/mdss_mdp_pp.c
@@ -536,6 +536,7 @@
 	u32 chroma_sample;
 	u32 filter_mode;
 	struct mdss_data_type *mdata;
+	u32 src_w, src_h;
 
 	mdata = mdss_mdp_get_mdata();
 	if (mdata->mdp_rev >= MDSS_MDP_HW_REV_102 && pipe->src_fmt->is_yuv)
@@ -552,6 +553,9 @@
 		}
 	}
 
+	src_w = pipe->src.w >> pipe->horz_deci;
+	src_h = pipe->src.h >> pipe->vert_deci;
+
 	chroma_sample = pipe->src_fmt->chroma_sample;
 	if (pipe->flags & MDP_SOURCE_ROTATED_90) {
 		if (chroma_sample == MDSS_MDP_CHROMA_H1V2)
@@ -570,23 +574,22 @@
 	}
 
 	if ((pipe->src_fmt->is_yuv) &&
-		!((pipe->dst.w < pipe->src.w) || (pipe->dst.h < pipe->src.h))) {
+		!((pipe->dst.w < src_w) || (pipe->dst.h < src_h))) {
 		pp_sharp_config(pipe->base +
 		   MDSS_MDP_REG_VIG_QSEED2_SHARP,
 		   &pipe->pp_res.pp_sts,
 		   &pipe->pp_cfg.sharp_cfg);
 	}
 
-	if ((pipe->src.h != pipe->dst.h) ||
+	if ((src_h != pipe->dst.h) ||
 	    (pipe->pp_res.pp_sts.sharp_sts & PP_STS_ENABLE) ||
 	    (chroma_sample == MDSS_MDP_CHROMA_420) ||
 	    (chroma_sample == MDSS_MDP_CHROMA_H1V2)) {
-		pr_debug("scale y - src_h=%d dst_h=%d\n",
-				pipe->src.h, pipe->dst.h);
+		pr_debug("scale y - src_h=%d dst_h=%d\n", src_h, pipe->dst.h);
 
-		if ((pipe->src.h / MAX_DOWNSCALE_RATIO) > pipe->dst.h) {
+		if ((src_h / MAX_DOWNSCALE_RATIO) > pipe->dst.h) {
 			pr_err("too much downscaling height=%d->%d",
-			       pipe->src.h, pipe->dst.h);
+			       src_h, pipe->dst.h);
 			return -EINVAL;
 		}
 
@@ -594,11 +597,12 @@
 
 		if (pipe->type == MDSS_MDP_PIPE_TYPE_VIG) {
 			u32 chr_dst_h = pipe->dst.h;
-			if ((chroma_sample == MDSS_MDP_CHROMA_420) ||
-			    (chroma_sample == MDSS_MDP_CHROMA_H1V2))
+			if (!pipe->vert_deci &&
+			    ((chroma_sample == MDSS_MDP_CHROMA_420) ||
+			    (chroma_sample == MDSS_MDP_CHROMA_H1V2)))
 				chr_dst_h *= 2;	/* 2x upsample chroma */
 
-			if (pipe->src.h <= pipe->dst.h) {
+			if (src_h <= pipe->dst.h) {
 				scale_config |= /* G/Y, A */
 					(filter_mode << 10) |
 					(MDSS_MDP_SCALE_FILTER_NEAREST << 18);
@@ -607,7 +611,7 @@
 					(MDSS_MDP_SCALE_FILTER_PCMN << 10) |
 					(MDSS_MDP_SCALE_FILTER_PCMN << 18);
 
-			if (pipe->src.h <= chr_dst_h)
+			if (src_h <= chr_dst_h)
 				scale_config |= /* CrCb */
 					(MDSS_MDP_SCALE_FILTER_BIL << 14);
 			else
@@ -615,12 +619,12 @@
 					(MDSS_MDP_SCALE_FILTER_PCMN << 14);
 
 			phasey_step = mdss_mdp_scale_phase_step(
-				PHASE_STEP_SHIFT, pipe->src.h, chr_dst_h);
+				PHASE_STEP_SHIFT, src_h, chr_dst_h);
 
 			writel_relaxed(phasey_step, pipe->base +
 				MDSS_MDP_REG_VIG_QSEED2_C12_PHASESTEPY);
 		} else {
-			if (pipe->src.h <= pipe->dst.h)
+			if (src_h <= pipe->dst.h)
 				scale_config |= /* RGB, A */
 					(MDSS_MDP_SCALE_FILTER_BIL << 10) |
 					(MDSS_MDP_SCALE_FILTER_NEAREST << 18);
@@ -631,19 +635,18 @@
 		}
 
 		phasey_step = mdss_mdp_scale_phase_step(
-			PHASE_STEP_SHIFT, pipe->src.h, pipe->dst.h);
+			PHASE_STEP_SHIFT, src_h, pipe->dst.h);
 	}
 
-	if ((pipe->src.w != pipe->dst.w) ||
+	if ((src_w != pipe->dst.w) ||
 	    (pipe->pp_res.pp_sts.sharp_sts & PP_STS_ENABLE) ||
 	    (chroma_sample == MDSS_MDP_CHROMA_420) ||
 	    (chroma_sample == MDSS_MDP_CHROMA_H2V1)) {
-		pr_debug("scale x - src_w=%d dst_w=%d\n",
-				pipe->src.w, pipe->dst.w);
+		pr_debug("scale x - src_w=%d dst_w=%d\n", src_w, pipe->dst.w);
 
-		if ((pipe->src.w / MAX_DOWNSCALE_RATIO) > pipe->dst.w) {
+		if ((src_w / MAX_DOWNSCALE_RATIO) > pipe->dst.w) {
 			pr_err("too much downscaling width=%d->%d",
-			       pipe->src.w, pipe->dst.w);
+			       src_w, pipe->dst.w);
 			return -EINVAL;
 		}
 
@@ -652,11 +655,12 @@
 		if (pipe->type == MDSS_MDP_PIPE_TYPE_VIG) {
 			u32 chr_dst_w = pipe->dst.w;
 
-			if ((chroma_sample == MDSS_MDP_CHROMA_420) ||
-			    (chroma_sample == MDSS_MDP_CHROMA_H2V1))
+			if (!pipe->horz_deci &&
+			    ((chroma_sample == MDSS_MDP_CHROMA_420) ||
+			    (chroma_sample == MDSS_MDP_CHROMA_H2V1)))
 				chr_dst_w *= 2;	/* 2x upsample chroma */
 
-			if (pipe->src.w <= pipe->dst.w) {
+			if (src_w <= pipe->dst.w) {
 				scale_config |= /* G/Y, A */
 					(filter_mode << 8) |
 					(MDSS_MDP_SCALE_FILTER_NEAREST << 16);
@@ -665,7 +669,7 @@
 					(MDSS_MDP_SCALE_FILTER_PCMN << 8) |
 					(MDSS_MDP_SCALE_FILTER_PCMN << 16);
 
-			if (pipe->src.w <= chr_dst_w)
+			if (src_w <= chr_dst_w)
 				scale_config |= /* CrCb */
 					(MDSS_MDP_SCALE_FILTER_BIL << 12);
 			else
@@ -673,11 +677,11 @@
 					(MDSS_MDP_SCALE_FILTER_PCMN << 12);
 
 			phasex_step = mdss_mdp_scale_phase_step(
-				PHASE_STEP_SHIFT, pipe->src.w, chr_dst_w);
+				PHASE_STEP_SHIFT, src_w, chr_dst_w);
 			writel_relaxed(phasex_step, pipe->base +
 				MDSS_MDP_REG_VIG_QSEED2_C12_PHASESTEPX);
 		} else {
-			if (pipe->src.w <= pipe->dst.w)
+			if (src_w <= pipe->dst.w)
 				scale_config |= /* RGB, A */
 					(MDSS_MDP_SCALE_FILTER_BIL << 8) |
 					(MDSS_MDP_SCALE_FILTER_NEAREST << 16);
@@ -688,7 +692,7 @@
 		}
 
 		phasex_step = mdss_mdp_scale_phase_step(
-			PHASE_STEP_SHIFT, pipe->src.w, pipe->dst.w);
+			PHASE_STEP_SHIFT, src_w, pipe->dst.w);
 	}
 
 	writel_relaxed(scale_config, pipe->base +
@@ -1519,11 +1523,13 @@
 		if (copy_to_user(config->c0_c1_data, local_cfg.c2_data,
 			config->len * sizeof(u32))) {
 			ret = -EFAULT;
+			mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_OFF, false);
 			goto igc_config_exit;
 		}
 		if (copy_to_user(config->c2_data, local_cfg.c0_c1_data,
 			config->len * sizeof(u32))) {
 			ret = -EFAULT;
+			mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_OFF, false);
 			goto igc_config_exit;
 		}
 		*copyback = 1;
@@ -1712,16 +1718,19 @@
 		pp_read_argc_lut(&local_cfg, argc_offset);
 		if (copy_to_user(config->r_data,
 			&mdss_pp_res->gc_lut_r[disp_num][0], tbl_size)) {
+			mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_OFF, false);
 			ret = -EFAULT;
 			goto argc_config_exit;
 		}
 		if (copy_to_user(config->g_data,
 			&mdss_pp_res->gc_lut_g[disp_num][0], tbl_size)) {
+			mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_OFF, false);
 			ret = -EFAULT;
 			goto argc_config_exit;
 		}
 		if (copy_to_user(config->b_data,
 			&mdss_pp_res->gc_lut_b[disp_num][0], tbl_size)) {
+			mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_OFF, false);
 			ret = -EFAULT;
 			goto argc_config_exit;
 		}
@@ -1792,6 +1801,7 @@
 		if (copy_to_user(config->data,
 			&mdss_pp_res->enhist_lut[disp_num][0],
 			ENHIST_LUT_ENTRIES * sizeof(u32))) {
+			mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_OFF, false);
 			ret = -EFAULT;
 			goto enhist_config_exit;
 		}
@@ -2031,6 +2041,7 @@
 			if (IS_ERR_OR_NULL(pipe))
 				continue;
 			if (!pipe || pipe->num > MDSS_MDP_SSPP_VIG2) {
+				mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_OFF, false);
 				ret = -EINVAL;
 				pr_warn("Invalid Hist pipe (%d)", i);
 				goto hist_exit;
@@ -2149,7 +2160,7 @@
 		i = MDSS_PP_ARG_MASK & block;
 		if (!i) {
 			pr_warn("Must pass pipe arguments, %d", i);
-			goto hist_stop_exit;
+			goto hist_stop_clk;
 		}
 
 		for (i = 0; i < MDSS_PP_ARG_NUM; i++) {
@@ -2169,7 +2180,7 @@
 								ctl_base);
 			mdss_mdp_pipe_unmap(pipe);
 			if (ret)
-				goto hist_stop_exit;
+				goto hist_stop_clk;
 		}
 	} else if (PP_LOCAT(block) == MDSS_PP_DSPP_CFG) {
 		for (i = 0; i < mixer_cnt; i++) {
@@ -2181,13 +2192,14 @@
 			ret = pp_histogram_disable(hist_info, done_bit,
 								ctl_base);
 			if (ret)
-				goto hist_stop_exit;
+				goto hist_stop_clk;
 			mdss_pp_res->pp_disp_flags[disp_num] |=
 							PP_FLAGS_DIRTY_HIST_COL;
 		}
 	}
-hist_stop_exit:
+hist_stop_clk:
 	mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_OFF, false);
+hist_stop_exit:
 	if (!ret && (PP_LOCAT(block) == MDSS_PP_DSPP_CFG))
 		mdss_mdp_pp_setup(ctl);
 	return ret;
diff --git a/drivers/video/msm/mdss/mdss_mdp_rotator.c b/drivers/video/msm/mdss/mdss_mdp_rotator.c
index ce4c28f..016c973 100644
--- a/drivers/video/msm/mdss/mdss_mdp_rotator.c
+++ b/drivers/video/msm/mdss/mdss_mdp_rotator.c
@@ -41,7 +41,6 @@
 			rot->ref_cnt++;
 			rot->session_id = i | MDSS_MDP_ROT_SESSION_MASK;
 			mutex_init(&rot->lock);
-			init_completion(&rot->comp);
 			break;
 		}
 	}
@@ -87,10 +86,18 @@
 
 static int mdss_mdp_rotator_busy_wait(struct mdss_mdp_rotator_session *rot)
 {
+	struct mdss_mdp_pipe *rot_pipe = NULL;
+	struct mdss_mdp_ctl *ctl = NULL;
+
+	rot_pipe = rot->pipe;
+	if (!rot_pipe)
+		return -ENODEV;
+
+	ctl = rot_pipe->mixer->ctl;
 	mutex_lock(&rot->lock);
 	if (rot->busy) {
 		pr_debug("waiting for rot=%d to complete\n", rot->pipe->num);
-		wait_for_completion_interruptible(&rot->comp);
+		mdss_mdp_display_wait4comp(ctl);
 		rot->busy = false;
 
 	}
@@ -99,28 +106,18 @@
 	return 0;
 }
 
-static void mdss_mdp_rotator_callback(void *arg)
-{
-	struct mdss_mdp_rotator_session *rot;
-
-	rot = (struct mdss_mdp_rotator_session *) arg;
-	if (rot)
-		complete(&rot->comp);
-}
-
 static int mdss_mdp_rotator_kickoff(struct mdss_mdp_ctl *ctl,
 				    struct mdss_mdp_rotator_session *rot,
 				    struct mdss_mdp_data *dst_data)
 {
 	int ret;
 	struct mdss_mdp_writeback_arg wb_args = {
-		.callback_fnc = mdss_mdp_rotator_callback,
+		.callback_fnc = NULL,
 		.data = dst_data,
 		.priv_data = rot,
 	};
 
 	mutex_lock(&rot->lock);
-	INIT_COMPLETION(rot->comp);
 	rot->busy = true;
 	ret = mdss_mdp_display_commit(ctl, &wb_args);
 	if (ret) {
@@ -204,9 +201,16 @@
 		rot_pipe->params_changed++;
 	}
 
+	ret = mdss_mdp_smp_reserve(rot->pipe);
+	if (ret) {
+		pr_err("unable to mdss_mdp_smp_reserve rot data\n");
+		return ret;
+	}
+
 	ret = mdss_mdp_pipe_queue_data(rot->pipe, src_data);
 	if (ret) {
 		pr_err("unable to queue rot data\n");
+		mdss_mdp_smp_unreserve(rot->pipe);
 		return ret;
 	}
 
diff --git a/drivers/video/msm/mdss/mdss_mdp_rotator.h b/drivers/video/msm/mdss/mdss_mdp_rotator.h
index c50d710..3401fe8 100644
--- a/drivers/video/msm/mdss/mdss_mdp_rotator.h
+++ b/drivers/video/msm/mdss/mdss_mdp_rotator.h
@@ -36,7 +36,6 @@
 	struct mdss_mdp_pipe *pipe;
 
 	struct mutex lock;
-	struct completion comp;
 	u8 busy;
 	u8 no_wait;
 
diff --git a/drivers/video/msm/mdss/mdss_mdp_util.c b/drivers/video/msm/mdss/mdss_mdp_util.c
index 4de6d03..60f05ca 100644
--- a/drivers/video/msm/mdss/mdss_mdp_util.c
+++ b/drivers/video/msm/mdss/mdss_mdp_util.c
@@ -240,7 +240,7 @@
 			ps->ystride[1] = 32 * 2;
 	} else if (fmt->fetch_planes == MDSS_MDP_PLANE_INTERLEAVED) {
 		ps->rau_cnt = DIV_ROUND_UP(w, 32);
-		ps->ystride[0] = 32 * 4;
+		ps->ystride[0] = 32 * 4 * fmt->bpp;
 		ps->ystride[1] = 0;
 		ps->rau_h[0] = 4;
 		ps->rau_h[1] = 0;
@@ -250,8 +250,8 @@
 	}
 
 	stride_off = DIV_ROUND_UP(ps->rau_cnt, 8);
-	ps->ystride[0] = ps->ystride[0] * ps->rau_cnt * fmt->bpp + stride_off;
-	ps->ystride[1] = ps->ystride[1] * ps->rau_cnt * fmt->bpp + stride_off;
+	ps->ystride[0] = ps->ystride[0] * ps->rau_cnt + stride_off;
+	ps->ystride[1] = ps->ystride[1] * ps->rau_cnt + stride_off;
 	ps->num_planes = 2;
 
 	return 0;
@@ -262,8 +262,7 @@
 {
 	struct mdss_mdp_format_params *fmt;
 	int i, rc;
-	u32 bpp, stride_off;
-
+	u32 bpp, ystride0_off, ystride1_off;
 	if (ps == NULL)
 		return -EINVAL;
 
@@ -281,12 +280,14 @@
 		rc = mdss_mdp_get_rau_strides(w, h, fmt, ps);
 		if (rc)
 			return rc;
-		stride_off = DIV_ROUND_UP(h, ps->rau_h[0]);
-		ps->ystride[0] = ps->ystride[0] + ps->ystride[1];
-		ps->plane_size[0] = ps->ystride[0] * stride_off;
+		ystride0_off = DIV_ROUND_UP(h, ps->rau_h[0]);
+		ystride1_off = DIV_ROUND_UP(h, ps->rau_h[1]);
+		ps->plane_size[0] = (ps->ystride[0] * ystride0_off) +
+				    (ps->ystride[1] * ystride1_off);
+		ps->ystride[0] += ps->ystride[1];
 		ps->ystride[1] = 2;
-		ps->plane_size[1] = ps->rau_cnt * ps->ystride[1] * stride_off;
-
+		ps->plane_size[1] = ps->rau_cnt * ps->ystride[1] *
+				   (ystride0_off + ystride1_off);
 	} else {
 		if (fmt->fetch_planes == MDSS_MDP_PLANE_INTERLEAVED) {
 			ps->num_planes = 1;
@@ -346,43 +347,38 @@
 int mdss_mdp_data_check(struct mdss_mdp_data *data,
 			struct mdss_mdp_plane_sizes *ps)
 {
+	struct mdss_mdp_img_data *prev, *curr;
+	int i;
+
 	if (!ps)
 		return 0;
 
 	if (!data || data->num_planes == 0)
 		return -ENOMEM;
 
-	if (data->bwc_enabled) {
-		data->num_planes = ps->num_planes;
-		data->p[1].addr = data->p[0].addr + ps->plane_size[0];
-	} else {
-		struct mdss_mdp_img_data *prev, *curr;
-		int i;
+	pr_debug("srcp0=%x len=%u frame_size=%u\n", data->p[0].addr,
+		data->p[0].len, ps->total_size);
 
-		pr_debug("srcp0=%x len=%u frame_size=%u\n", data->p[0].addr,
-				data->p[0].len, ps->total_size);
-
-		for (i = 0; i < ps->num_planes; i++) {
-			curr = &data->p[i];
-			if (i >= data->num_planes) {
-				u32 psize = ps->plane_size[i-1];
-				prev = &data->p[i-1];
-				if (prev->len > psize) {
-					curr->len = prev->len - psize;
-					prev->len = psize;
-				}
-				curr->addr = prev->addr + psize;
+	for (i = 0; i < ps->num_planes; i++) {
+		curr = &data->p[i];
+		if (i >= data->num_planes) {
+			u32 psize = ps->plane_size[i-1];
+			prev = &data->p[i-1];
+			if (prev->len > psize) {
+				curr->len = prev->len - psize;
+				prev->len = psize;
 			}
-			if (curr->len < ps->plane_size[i]) {
-				pr_err("insufficient mem=%u p=%d len=%u\n",
-				       curr->len, i, ps->plane_size[i]);
-				return -ENOMEM;
-			}
-			pr_debug("plane[%d] addr=%x len=%u\n", i,
-					curr->addr, curr->len);
+			curr->addr = prev->addr + psize;
 		}
-		data->num_planes = ps->num_planes;
+		if (curr->len < ps->plane_size[i]) {
+			pr_err("insufficient mem=%u p=%d len=%u\n",
+			       curr->len, i, ps->plane_size[i]);
+			return -ENOMEM;
+		}
+		pr_debug("plane[%d] addr=%x len=%u\n", i,
+				curr->addr, curr->len);
 	}
+	data->num_planes = ps->num_planes;
 
 	return 0;
 }
diff --git a/drivers/video/msm/mdss/mdss_mdp_wb.c b/drivers/video/msm/mdss/mdss_mdp_wb.c
index c19e07a..7ccf1b9 100644
--- a/drivers/video/msm/mdss/mdss_mdp_wb.c
+++ b/drivers/video/msm/mdss/mdss_mdp_wb.c
@@ -132,7 +132,13 @@
 
 	pr_debug("setting secure=%d\n", enable);
 
+	ctl->is_secure = enable;
 	wb->is_secure = enable;
+
+	/* newer revisions don't require secure src pipe for secure session */
+	if (ctl->mdata->mdp_rev > MDSS_MDP_HW_REV_100)
+		return 0;
+
 	pipe = wb->secure_pipe;
 
 	if (!enable) {
@@ -243,6 +249,7 @@
 		mdss_mdp_pipe_destroy(wb->secure_pipe);
 	mutex_unlock(&wb->lock);
 
+	mdp5_data->ctl->is_secure = false;
 	mdp5_data->wb = NULL;
 	mutex_unlock(&mdss_mdp_wb_buf_lock);
 
diff --git a/drivers/video/msm/mdss/mdss_qpic.c b/drivers/video/msm/mdss/mdss_qpic.c
index be02113..fa6bd3d 100644
--- a/drivers/video/msm/mdss/mdss_qpic.c
+++ b/drivers/video/msm/mdss/mdss_qpic.c
@@ -428,7 +428,7 @@
 					param[0]);
 				param++;
 				bytes_left -= 4;
-				space++;
+				space--;
 			} else if (bytes_left == 2) {
 				QPIC_OUTPW(QPIC_REG_QPIC_LCDC_FIFO_DATA_PORT0,
 					*(u16 *)param);
diff --git a/fs/file.c b/fs/file.c
index ba3f605..2f989c3 100644
--- a/fs/file.c
+++ b/fs/file.c
@@ -476,6 +476,7 @@
 	spin_unlock(&files->file_lock);
 	return error;
 }
+EXPORT_SYMBOL(alloc_fd);
 
 int get_unused_fd(void)
 {
diff --git a/include/linux/bluetooth-power.h b/include/linux/bluetooth-power.h
new file mode 100644
index 0000000..ba53a40
--- /dev/null
+++ b/include/linux/bluetooth-power.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2013, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * 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.
+ *
+ */
+
+#ifndef __LINUX_BLUETOOTH_POWER_H
+#define __LINUX_BLUETOOTH_POWER_H
+
+/*
+ * voltage regulator information required for configuring the
+ * bluetooth chipset
+ */
+struct bt_power_vreg_data {
+	/* voltage regulator handle */
+	struct regulator *reg;
+	/* regulator name */
+	const char *name;
+	/* voltage levels to be set */
+	unsigned int low_vol_level;
+	unsigned int high_vol_level;
+	/*
+	 * is set voltage supported for this regulator?
+	 * false => set voltage is not supported
+	 * true  => set voltage is supported
+	 *
+	 * Some regulators (like gpio-regulators, LVS (low voltage swtiches)
+	 * PMIC regulators) dont have the capability to call
+	 * regulator_set_voltage or regulator_set_optimum_mode
+	 * Use this variable to indicate if its a such regulator or not
+	 */
+	bool set_voltage_sup;
+	/* is this regulator enabled? */
+	bool is_enabled;
+};
+
+/*
+ * Platform data for the bluetooth power driver.
+ */
+struct bluetooth_power_platform_data {
+	/* Bluetooth reset gpio */
+	int bt_gpio_sys_rst;
+	/* VDDIO voltage regulator */
+	struct bt_power_vreg_data *bt_vdd_io;
+	/* VDD_PA voltage regulator */
+	struct bt_power_vreg_data *bt_vdd_pa;
+	/* VDD_LDOIN voltage regulator */
+	struct bt_power_vreg_data *bt_vdd_ldo;
+	/* Optional: chip power down gpio-regulator
+	 * chip power down data is required when bluetooth module
+	 * and other modules like wifi co-exist in a single chip and
+	 * shares a common gpio to bring chip out of reset.
+	 */
+	struct bt_power_vreg_data *bt_chip_pwd;
+	/* Optional: Bluetooth power setup function */
+	int (*bt_power_setup) (int);
+};
+
+#endif /* __LINUX_BLUETOOTH_POWER_H */
diff --git a/include/linux/dvb/dmx.h b/include/linux/dvb/dmx.h
index c2b35c8..c219725 100644
--- a/include/linux/dvb/dmx.h
+++ b/include/linux/dvb/dmx.h
@@ -368,6 +368,9 @@
 	/* DTS value associated with the buffer */
 	__u64 dts;
 
+	/* STC value associated with the buffer in 27MHz */
+	__u64 stc;
+
 	/*
 	 * Number of TS packets with Transport Error Indicator (TEI) set
 	 * in the TS packet header since last reported event
diff --git a/include/linux/ion.h b/include/linux/ion.h
index 88ad9a0..4983316 100644
--- a/include/linux/ion.h
+++ b/include/linux/ion.h
@@ -35,6 +35,7 @@
 	ION_HEAP_TYPE_SYSTEM,
 	ION_HEAP_TYPE_SYSTEM_CONTIG,
 	ION_HEAP_TYPE_CARVEOUT,
+	ION_HEAP_TYPE_CHUNK,
 	ION_HEAP_TYPE_CUSTOM, /* must be last so device specific heaps always
 				 are at the end of this enum */
 	ION_NUM_HEAPS,
@@ -44,8 +45,10 @@
 #define ION_HEAP_SYSTEM_CONTIG_MASK	(1 << ION_HEAP_TYPE_SYSTEM_CONTIG)
 #define ION_HEAP_CARVEOUT_MASK		(1 << ION_HEAP_TYPE_CARVEOUT)
 
+#define ION_NUM_HEAP_IDS		sizeof(unsigned int) * 8
+
 /**
- * heap flags - the lower 16 bits are used by core ion, the upper 16
+ * allocation flags - the lower 16 bits are used by core ion, the upper 16
  * bits are reserved for use by the heaps themselves.
  */
 #define ION_FLAG_CACHED 1		/* mappings of this buffer should be
@@ -74,8 +77,9 @@
 /**
  * struct ion_platform_heap - defines a heap in the given platform
  * @type:	type of the heap from ion_heap_type enum
- * @id:		unique identifier for heap.  When allocating (lower numbers
- * 		will be allocated from first)
+ * @id:		unique identifier for heap.  When allocating higher numbers
+ * 		will be allocated from first.  At allocation these are passed
+ *		as a bit mask and therefore can not exceed ION_NUM_HEAP_IDS.
  * @name:	used for debug purposes
  * @base:	base address of heap in physical memory if applicable
  * @size:	size of the heap in bytes if applicable
@@ -83,6 +87,10 @@
  * @has_outer_cache:    set to 1 if outer cache is used, 0 otherwise.
  * @extra_data:	Extra data specific to each heap type
  * @priv:	heap private data
+ * @align:	required alignment in physical memory if applicable
+ * @priv:	private info passed from the board file
+ *
+ * Provided by the board file.
  */
 struct ion_platform_heap {
 	enum ion_heap_type type;
@@ -93,6 +101,7 @@
 	enum ion_memory_types memory_type;
 	unsigned int has_outer_cache;
 	void *extra_data;
+	ion_phys_addr_t align;
 	void *priv;
 };
 
@@ -125,12 +134,12 @@
 
 /**
  * ion_client_create() -  allocate a client and returns it
- * @dev:	the global ion device
- * @heap_mask:	mask of heaps this client can allocate from
- * @name:	used for debugging
+ * @dev:		the global ion device
+ * @heap_type_mask:	mask of heaps this client can allocate from
+ * @name:		used for debugging
  */
 struct ion_client *ion_client_create(struct ion_device *dev,
-				     unsigned int heap_mask, const char *name);
+				     const char *name);
 
 /**
  * ion_client_destroy() -  free's a client and all it's handles
@@ -143,21 +152,22 @@
 
 /**
  * ion_alloc - allocate ion memory
- * @client:	the client
- * @len:	size of the allocation
- * @align:	requested allocation alignment, lots of hardware blocks have
- *		alignment requirements of some kind
- * @heap_mask:	mask of heaps to allocate from, if multiple bits are set
- *		heaps will be tried in order from lowest to highest order bit
- * @flags:	heap flags, the low 16 bits are consumed by ion, the high 16
- *		bits are passed on to the respective heap and can be heap
- *		custom
+ * @client:		the client
+ * @len:		size of the allocation
+ * @align:		requested allocation alignment, lots of hardware blocks
+ *			have alignment requirements of some kind
+ * @heap_id_mask:	mask of heaps to allocate from, if multiple bits are set
+ *			heaps will be tried in order from highest to lowest
+ *			id
+ * @flags:		heap flags, the low 16 bits are consumed by ion, the
+ *			high 16 bits are passed on to the respective heap and
+ *			can be heap custom
  *
  * Allocate memory in one of the heaps provided in heap mask and return
  * an opaque handle to it.
  */
 struct ion_handle *ion_alloc(struct ion_client *client, size_t len,
-			     size_t align, unsigned int heap_mask,
+			     size_t align, unsigned int heap_id_mask,
 			     unsigned int flags);
 
 /**
@@ -217,11 +227,19 @@
 void ion_unmap_kernel(struct ion_client *client, struct ion_handle *handle);
 
 /**
- * ion_share_dma_buf() - given an ion client, create a dma-buf fd
+ * ion_share_dma_buf() - share buffer as dma-buf
  * @client:	the client
  * @handle:	the handle
  */
-int ion_share_dma_buf(struct ion_client *client, struct ion_handle *handle);
+struct dma_buf *ion_share_dma_buf(struct ion_client *client,
+						struct ion_handle *handle);
+
+/**
+ * ion_share_dma_buf_fd() - given an ion client, create a dma-buf fd
+ * @client:	the client
+ * @handle:	the handle
+ */
+int ion_share_dma_buf_fd(struct ion_client *client, struct ion_handle *handle);
 
 /**
  * ion_import_dma_buf() - given an dma-buf fd from the ion exporter get handle
@@ -310,12 +328,12 @@
 
 /**
  * struct ion_allocation_data - metadata passed from userspace for allocations
- * @len:	size of the allocation
- * @align:	required alignment of the allocation
- * @heap_mask:	mask of heaps to allocate from
- * @flags:	flags passed to heap
- * @handle:	pointer that will be populated with a cookie to use to refer
- *		to this allocation
+ * @len:		size of the allocation
+ * @align:		required alignment of the allocation
+ * @heap_id_mask:	mask of heap ids to allocate from
+ * @flags:		flags passed to heap
+ * @handle:		pointer that will be populated with a cookie to use to 
+ *			refer to this allocation
  *
  * Provided by userspace as an argument to the ioctl
  */
diff --git a/include/linux/iopoll.h b/include/linux/iopoll.h
index 8aa758d..b882fe2 100644
--- a/include/linux/iopoll.h
+++ b/include/linux/iopoll.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2012-2013 The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -40,8 +40,12 @@
 	might_sleep_if(timeout_us); \
 	for (;;) { \
 		(val) = readl(addr); \
-		if ((cond) || (timeout_us && time_after(jiffies, timeout))) \
+		if (cond) \
 			break; \
+		if (timeout_us && time_after(jiffies, timeout)) { \
+			(val) = readl(addr); \
+			break; \
+		} \
 		if (sleep_us) \
 			usleep_range(DIV_ROUND_UP(sleep_us, 4), sleep_us); \
 	} \
diff --git a/include/linux/mfd/pm8xxx/pm8921-charger.h b/include/linux/mfd/pm8xxx/pm8921-charger.h
index 1c67b1e..5439fd1 100644
--- a/include/linux/mfd/pm8xxx/pm8921-charger.h
+++ b/include/linux/mfd/pm8xxx/pm8921-charger.h
@@ -165,6 +165,7 @@
 	unsigned int			warm_bat_chg_current;
 	unsigned int			cool_bat_voltage;
 	unsigned int			warm_bat_voltage;
+	int				hysteresis_temp;
 	unsigned int			(*get_batt_capacity_percent) (void);
 	int64_t				batt_id_min;
 	int64_t				batt_id_max;
diff --git a/include/linux/mfd/wcd9xxx/core.h b/include/linux/mfd/wcd9xxx/core.h
index 3a9b1b9..0d1f49f 100644
--- a/include/linux/mfd/wcd9xxx/core.h
+++ b/include/linux/mfd/wcd9xxx/core.h
@@ -77,7 +77,8 @@
 	WCD9XXX_IRQ_HPH_L_PA_STARTUP,
 	WCD9XXX_IRQ_HPH_R_PA_STARTUP,
 	WCD9XXX_IRQ_EAR_PA_STARTUP,
-	WCD9XXX_IRQ_RESERVED_0,
+	WCD9310_NUM_IRQS,
+	WCD9XXX_IRQ_RESERVED_0 = WCD9310_NUM_IRQS,
 	WCD9XXX_IRQ_RESERVED_1,
 	/* INTR_REG 3 */
 	WCD9XXX_IRQ_MAD_AUDIO,
@@ -85,12 +86,14 @@
 	WCD9XXX_IRQ_MAD_ULTRASOUND,
 	WCD9XXX_IRQ_SPEAKER_CLIPPING,
 	WCD9XXX_IRQ_MBHC_JACK_SWITCH,
+	WCD9XXX_IRQ_VBAT_MONITOR_ATTACK,
+	WCD9XXX_IRQ_VBAT_MONITOR_RELEASE,
 	WCD9XXX_NUM_IRQS,
 };
 
 enum {
-	TABLA_NUM_IRQS = WCD9XXX_NUM_IRQS,
-	SITAR_NUM_IRQS = WCD9XXX_NUM_IRQS,
+	TABLA_NUM_IRQS = WCD9310_NUM_IRQS,
+	SITAR_NUM_IRQS = WCD9310_NUM_IRQS,
 	TAIKO_NUM_IRQS = WCD9XXX_NUM_IRQS,
 	TAPAN_NUM_IRQS = WCD9XXX_NUM_IRQS,
 };
diff --git a/include/linux/msm_mdp.h b/include/linux/msm_mdp.h
index db5c69c..f9e483c 100644
--- a/include/linux/msm_mdp.h
+++ b/include/linux/msm_mdp.h
@@ -173,6 +173,7 @@
 #define MDP_OV_PIPE_FORCE_DMA		0x00004000
 #define MDP_MEMORY_ID_TYPE_FB		0x00001000
 #define MDP_BWC_EN			0x00000400
+#define MDP_DECIMATION_EN		0x00000800
 #define MDP_TRANSP_NOP 0xffffffff
 #define MDP_ALPHA_NOP 0xff
 
@@ -406,7 +407,9 @@
 	uint32_t transp_mask;
 	uint32_t flags;
 	uint32_t id;
-	uint32_t user_data[8];
+	uint32_t user_data[7];
+	uint8_t horz_deci;
+	uint8_t vert_deci;
 	struct mdp_overlay_pp_params overlay_pp_cfg;
 };
 
@@ -696,6 +699,7 @@
 	uint8_t rgb_pipes;
 	uint8_t vig_pipes;
 	uint8_t dma_pipes;
+	uint32_t features;
 };
 
 struct msmfb_metadata {
diff --git a/include/linux/qpnp-misc.h b/include/linux/qpnp-misc.h
index b241e5d..ee614a4 100644
--- a/include/linux/qpnp-misc.h
+++ b/include/linux/qpnp-misc.h
@@ -30,7 +30,7 @@
 
 int qpnp_misc_irqs_available(struct device *consumer_dev);
 #else
-static int qpnp_misc_irq_available(struct device *consumer_dev)
+static int qpnp_misc_irqs_available(struct device *consumer_dev)
 {
 	return 0;
 }
diff --git a/include/linux/regulator/qpnp-regulator.h b/include/linux/regulator/qpnp-regulator.h
index ec580ab..c7afeb5 100644
--- a/include/linux/regulator/qpnp-regulator.h
+++ b/include/linux/regulator/qpnp-regulator.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -93,12 +93,24 @@
  * @system_load:            Load in uA present on regulator that is not captured
  *				by any consumer request
  * @enable_time:            Time in us to delay after enabling the regulator
- * @ocp_enable:             1 = Enable over current protection (OCP) for voltage
- *				switch type regulators so that they latch off
- *				automatically when over current is detected
+ * @ocp_enable:             1 = Allow over current protection (OCP) to be
+ *				enabled for voltage switch type regulators so
+ *				that they latch off automatically when over
+ *				current is detected.  OCP is enabled when in HPM
+ *				or auto mode.
  *			    0 = Disable OCP
  *			    QPNP_REGULATOR_USE_HW_DEFAULT = do not modify
  *			        OCP state
+ * @ocp_irq:                IRQ number of the voltage switch OCP IRQ.  If
+ *				specified the voltage switch will be toggled off
+ *				and back on when OCP triggers in order to handle
+ *				high in-rush current.
+ * @ocp_max_retries:        Maximum number of times to try toggling a voltage
+ *				switch off and back on as a result of
+ *				consecutive over current events.
+ * @ocp_retry_delay_ms:     Time to delay in milliseconds between each
+ *				voltage switch toggle after an over current
+ *				event takes place.
  * @boost_current_limit:    This parameter sets the current limit of boost type
  *				regulators.  Its value should be one of
  *				QPNP_BOOST_CURRENT_LIMIT_*.  If its value is
@@ -117,9 +129,6 @@
  *				its value is QPNP_VS_SOFT_START_STR_HW_DEFAULT,
  *				then the soft start strength will be left at its
  *				default hardware value.
- * @ocp_enable_time:        Time to delay in us between enabling a switch and
- *				subsequently enabling over current protection
- *				(OCP) for the switch
  * @auto_mode_enable:       1 = Enable automatic hardware selection of regulator
  *				mode (HPM vs LPM).  Auto mode is not available
  *				on boost type regulators
@@ -132,6 +141,18 @@
  *			    0 = Do not enable bypass mode
  *			    QPNP_REGULATOR_USE_HW_DEFAULT = do not modify
  *			        bypass mode state
+ * @hpm_enable:             1 = Enable high power mode (HPM), also referred to
+ *				as NPM.  HPM consumes more ground current than
+ *				LPM, but it can source significantly higher load
+ *				current.  HPM is not available on boost type
+ *				regulators.  For voltage switch type regulators,
+ *				HPM implies that over current protection and
+ *				soft start are active all the time.  This
+ *				configuration can be overwritten by changing the
+ *				regulator's mode dynamically.
+ *			    0 = Do not enable HPM
+ *			    QPNP_REGULATOR_USE_HW_DEFAULT = do not modify
+ *			        HPM state
  * @base_addr:              SMPI base address for the regulator peripheral
  */
 struct qpnp_regulator_platform_data {
@@ -142,12 +163,15 @@
 	int					system_load;
 	int					enable_time;
 	int					ocp_enable;
+	int					ocp_irq;
+	int					ocp_max_retries;
+	int					ocp_retry_delay_ms;
 	enum qpnp_boost_current_limit		boost_current_limit;
 	int					soft_start_enable;
 	enum qpnp_vs_soft_start_str		vs_soft_start_strength;
-	int					ocp_enable_time;
 	int					auto_mode_enable;
 	int					bypass_mode_enable;
+	int					hpm_enable;
 	u16					base_addr;
 };
 
diff --git a/include/linux/usb/msm_hsusb.h b/include/linux/usb/msm_hsusb.h
index d64e198..4ae3b79 100644
--- a/include/linux/usb/msm_hsusb.h
+++ b/include/linux/usb/msm_hsusb.h
@@ -423,6 +423,7 @@
 	u32 standalone_latency;
 	bool pool_64_bit_align;
 	bool enable_hbm;
+	bool disable_park_mode;
 };
 
 struct msm_usb_host_platform_data {
diff --git a/include/media/msm_cam_sensor.h b/include/media/msm_cam_sensor.h
index bce6af3..992649f 100644
--- a/include/media/msm_cam_sensor.h
+++ b/include/media/msm_cam_sensor.h
@@ -108,10 +108,10 @@
 	SUB_MODULE_EEPROM,
 	SUB_MODULE_LED_FLASH,
 	SUB_MODULE_STROBE_FLASH,
-	SUB_MODULE_CSIPHY,
-	SUB_MODULE_CSIPHY_3D,
 	SUB_MODULE_CSID,
 	SUB_MODULE_CSID_3D,
+	SUB_MODULE_CSIPHY,
+	SUB_MODULE_CSIPHY_3D,
 	SUB_MODULE_MAX,
 };
 
@@ -207,6 +207,7 @@
 	uint8_t settle_cnt;
 	uint16_t lane_mask;
 	uint8_t combo_mode;
+	uint8_t csid_core;
 };
 
 struct msm_camera_csi2_params {
diff --git a/include/media/msm_camera.h b/include/media/msm_camera.h
index afd5a42..b4b3bfc 100644
--- a/include/media/msm_camera.h
+++ b/include/media/msm_camera.h
@@ -1396,6 +1396,7 @@
 	uint8_t settle_cnt;
 	uint16_t lane_mask;
 	uint8_t combo_mode;
+	uint8_t csid_core;
 };
 
 struct msm_camera_csi2_params {
diff --git a/include/media/msm_gemini.h b/include/media/msm_gemini.h
index 0167335..2209758 100644
--- a/include/media/msm_gemini.h
+++ b/include/media/msm_gemini.h
@@ -51,10 +51,19 @@
 #define MSM_GMN_IOCTL_TEST_DUMP_REGION \
 	_IOW(MSM_GMN_IOCTL_MAGIC, 15, unsigned long)
 
+#define MSM_GMN_IOCTL_SET_MODE \
+	_IOW(MSM_GMN_IOCTL_MAGIC, 16, enum msm_gmn_out_mode)
+
 #define MSM_GEMINI_MODE_REALTIME_ENCODE 0
 #define MSM_GEMINI_MODE_OFFLINE_ENCODE 1
 #define MSM_GEMINI_MODE_REALTIME_ROTATION 2
 #define MSM_GEMINI_MODE_OFFLINE_ROTATION 3
+
+enum msm_gmn_out_mode {
+	MSM_GMN_OUTMODE_FRAGMENTED,
+	MSM_GMN_OUTMODE_SINGLE
+};
+
 struct msm_gemini_ctrl_cmd {
 	uint32_t type;
 	uint32_t len;
diff --git a/include/media/msmb_isp.h b/include/media/msmb_isp.h
index 6fb1a65..bf6b23b 100644
--- a/include/media/msmb_isp.h
+++ b/include/media/msmb_isp.h
@@ -168,12 +168,6 @@
 	enum msm_vfe_frame_skip_pattern skip_pattern;
 };
 
-enum msm_vfe_stats_pipeline_policy {
-	STATS_COMP_ALL,
-	STATS_COMP_NONE,
-	MAX_STATS_POLICY,
-};
-
 enum msm_isp_stats_type {
 	MSM_ISP_STATS_AEC,   /* legacy based AEC */
 	MSM_ISP_STATS_AF,    /* legacy based AF */
@@ -193,11 +187,11 @@
 	uint32_t session_id;
 	uint32_t stream_id;
 	enum msm_isp_stats_type stats_type;
+	uint32_t composite_flag;
 	uint32_t framedrop_pattern;
 	uint32_t irq_subsample_pattern;
 	uint32_t buffer_offset;
 	uint32_t stream_handle;
-	uint8_t comp_flag;
 };
 
 struct msm_vfe_stats_stream_release_cmd {
@@ -209,12 +203,6 @@
 	uint8_t enable;
 };
 
-struct msm_vfe_stats_comp_policy_cfg {
-	enum msm_vfe_stats_pipeline_policy stats_pipeline_policy;
-	uint32_t comp_framedrop_pattern;
-	uint32_t comp_irq_subsample_pattern;
-};
-
 enum msm_vfe_reg_cfg_type {
 	VFE_WRITE,
 	VFE_WRITE_MB,
@@ -319,7 +307,7 @@
 #define ISP_EVENT_EOF             (ISP_EVENT_BASE + ISP_EOF)
 #define ISP_EVENT_BUF_DIVERT      (ISP_BUF_EVENT_BASE)
 #define ISP_EVENT_STATS_NOTIFY    (ISP_STATS_EVENT_BASE)
-
+#define ISP_EVENT_COMP_STATS_NOTIFY (ISP_EVENT_STATS_NOTIFY + MSM_ISP_STATS_MAX)
 /* The msm_v4l2_event_data structure should match the
  * v4l2_event.u.data field.
  * should not exceed 64 bytes */
@@ -412,10 +400,6 @@
 	_IOWR('V', BASE_VIDIOC_PRIVATE+11, \
 	struct msm_vfe_stats_stream_release_cmd)
 
-#define VIDIOC_MSM_ISP_CFG_STATS_COMP_POLICY \
-	_IOWR('V', BASE_VIDIOC_PRIVATE+12,   \
-	      struct msm_vfe_stats_comp_policy_cfg)
-
 #define VIDIOC_MSM_ISP_UPDATE_STREAM \
 	_IOWR('V', BASE_VIDIOC_PRIVATE+13, struct msm_vfe_axi_stream_update_cmd)
 
diff --git a/include/sound/apr_audio-v2.h b/include/sound/apr_audio-v2.h
index fa4dedc..87730b1 100644
--- a/include/sound/apr_audio-v2.h
+++ b/include/sound/apr_audio-v2.h
@@ -634,8 +634,6 @@
  *	when a new port is added here. */
 #define PRIMARY_I2S_RX 0		/* index = 0 */
 #define PRIMARY_I2S_TX 1		/* index = 1 */
-#define PCM_RX 2			/* index = 2 */
-#define PCM_TX 3			/* index = 3 */
 #define SECONDARY_I2S_RX 4		/* index = 4 */
 #define SECONDARY_I2S_TX 5		/* index = 5 */
 #define MI2S_RX 6			/* index = 6 */
@@ -784,26 +782,6 @@
 #define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_4_RX      0x4008
 /* SLIMbus Tx port on channel 4. */
 #define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_4_TX      0x4009
-/* SLIMbus Rx port on channel 0. */
-#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_0_RX      0x4000
-/* SLIMbus Tx port on channel 0. */
-#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_0_TX      0x4001
-/* SLIMbus Rx port on channel 1. */
-#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_1_RX      0x4002
-/* SLIMbus Tx port on channel 1. */
-#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_1_TX      0x4003
-/* SLIMbus Rx port on channel 2. */
-#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_2_RX      0x4004
-/* SLIMbus Tx port on channel 2. */
-#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_2_TX      0x4005
-/* SLIMbus Rx port on channel 3. */
-#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_3_RX      0x4006
-/* SLIMbus Tx port on channel 3. */
-#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_3_TX      0x4007
-/* SLIMbus Rx port on channel 4. */
-#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_4_RX      0x4008
-/* SLIMbus Tx port on channel 4. */
-#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_4_TX      0x4009
 /* SLIMbus Rx port on channel 5. */
 #define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_5_RX      0x400a
 /* SLIMbus Tx port on channel 5. */
diff --git a/include/sound/q6afe-v2.h b/include/sound/q6afe-v2.h
index 2a740f4..1389b2a 100644
--- a/include/sound/q6afe-v2.h
+++ b/include/sound/q6afe-v2.h
@@ -41,8 +41,8 @@
 enum {
 	IDX_PRIMARY_I2S_RX = 0,
 	IDX_PRIMARY_I2S_TX = 1,
-	IDX_PCM_RX = 2,
-	IDX_PCM_TX = 3,
+	IDX_AFE_PORT_ID_PRIMARY_PCM_RX = 2,
+	IDX_AFE_PORT_ID_PRIMARY_PCM_TX = 3,
 	IDX_SECONDARY_I2S_RX = 4,
 	IDX_SECONDARY_I2S_TX = 5,
 	IDX_MI2S_RX = 6,
@@ -166,7 +166,7 @@
 int afe_port_start(u16 port_id, union afe_port_config *afe_config,
 	u32 rate);
 int afe_spk_prot_feed_back_cfg(int src_port, int dst_port,
-	int l_ch, int r_ch);
+	int l_ch, int r_ch, u32 enable);
 int afe_spk_prot_get_calib_data(struct afe_spkr_prot_get_vi_calib *calib);
 int afe_port_stop_nowait(int port_id);
 int afe_apply_gain(u16 port_id, u16 gain);
diff --git a/include/trace/events/cpufreq_interactive.h b/include/trace/events/cpufreq_interactive.h
index ea83664..951e6ca 100644
--- a/include/trace/events/cpufreq_interactive.h
+++ b/include/trace/events/cpufreq_interactive.h
@@ -28,13 +28,7 @@
 	      __entry->actualfreq)
 );
 
-DEFINE_EVENT(set, cpufreq_interactive_up,
-	TP_PROTO(u32 cpu_id, unsigned long targfreq,
-	     unsigned long actualfreq),
-	TP_ARGS(cpu_id, targfreq, actualfreq)
-);
-
-DEFINE_EVENT(set, cpufreq_interactive_down,
+DEFINE_EVENT(set, cpufreq_interactive_setspeed,
 	TP_PROTO(u32 cpu_id, unsigned long targfreq,
 	     unsigned long actualfreq),
 	TP_ARGS(cpu_id, targfreq, actualfreq)
@@ -42,44 +36,50 @@
 
 DECLARE_EVENT_CLASS(loadeval,
 	    TP_PROTO(unsigned long cpu_id, unsigned long load,
-		     unsigned long curfreq, unsigned long targfreq),
-	    TP_ARGS(cpu_id, load, curfreq, targfreq),
+		     unsigned long curtarg, unsigned long curactual,
+		     unsigned long newtarg),
+		    TP_ARGS(cpu_id, load, curtarg, curactual, newtarg),
 
 	    TP_STRUCT__entry(
 		    __field(unsigned long, cpu_id    )
 		    __field(unsigned long, load      )
-		    __field(unsigned long, curfreq   )
-		    __field(unsigned long, targfreq  )
+		    __field(unsigned long, curtarg   )
+		    __field(unsigned long, curactual )
+		    __field(unsigned long, newtarg   )
 	    ),
 
 	    TP_fast_assign(
 		    __entry->cpu_id = cpu_id;
 		    __entry->load = load;
-		    __entry->curfreq = curfreq;
-		    __entry->targfreq = targfreq;
+		    __entry->curtarg = curtarg;
+		    __entry->curactual = curactual;
+		    __entry->newtarg = newtarg;
 	    ),
 
-	    TP_printk("cpu=%lu load=%lu cur=%lu targ=%lu",
-		      __entry->cpu_id, __entry->load, __entry->curfreq,
-		      __entry->targfreq)
+	    TP_printk("cpu=%lu load=%lu cur=%lu actual=%lu targ=%lu",
+		      __entry->cpu_id, __entry->load, __entry->curtarg,
+		      __entry->curactual, __entry->newtarg)
 );
 
 DEFINE_EVENT(loadeval, cpufreq_interactive_target,
 	    TP_PROTO(unsigned long cpu_id, unsigned long load,
-		     unsigned long curfreq, unsigned long targfreq),
-	    TP_ARGS(cpu_id, load, curfreq, targfreq)
+		     unsigned long curtarg, unsigned long curactual,
+		     unsigned long newtarg),
+	    TP_ARGS(cpu_id, load, curtarg, curactual, newtarg)
 );
 
 DEFINE_EVENT(loadeval, cpufreq_interactive_already,
 	    TP_PROTO(unsigned long cpu_id, unsigned long load,
-		     unsigned long curfreq, unsigned long targfreq),
-	    TP_ARGS(cpu_id, load, curfreq, targfreq)
+		     unsigned long curtarg, unsigned long curactual,
+		     unsigned long newtarg),
+	    TP_ARGS(cpu_id, load, curtarg, curactual, newtarg)
 );
 
 DEFINE_EVENT(loadeval, cpufreq_interactive_notyet,
 	    TP_PROTO(unsigned long cpu_id, unsigned long load,
-		     unsigned long curfreq, unsigned long targfreq),
-	    TP_ARGS(cpu_id, load, curfreq, targfreq)
+		     unsigned long curtarg, unsigned long curactual,
+		     unsigned long newtarg),
+	    TP_ARGS(cpu_id, load, curtarg, curactual, newtarg)
 );
 
 TRACE_EVENT(cpufreq_interactive_boost,
diff --git a/include/trace/events/kmem.h b/include/trace/events/kmem.h
index a1da44f..e76e822 100644
--- a/include/trace/events/kmem.h
+++ b/include/trace/events/kmem.h
@@ -495,6 +495,70 @@
 	TP_ARGS(mode)
 );
 
+DECLARE_EVENT_CLASS(ion_alloc_pages,
+
+	TP_PROTO(gfp_t gfp_flags,
+		unsigned int order),
+
+	TP_ARGS(gfp_flags, order),
+
+	TP_STRUCT__entry(
+		__field(gfp_t, gfp_flags)
+		__field(unsigned int, order)
+		),
+
+	TP_fast_assign(
+		__entry->gfp_flags = gfp_flags;
+		__entry->order = order;
+		),
+
+	TP_printk("gfp_flags=%s order=%d",
+		show_gfp_flags(__entry->gfp_flags),
+		__entry->order)
+	);
+
+DEFINE_EVENT(ion_alloc_pages, alloc_pages_iommu_start,
+	TP_PROTO(gfp_t gfp_flags,
+		unsigned int order),
+
+	TP_ARGS(gfp_flags, order)
+	);
+
+DEFINE_EVENT(ion_alloc_pages, alloc_pages_iommu_end,
+	TP_PROTO(gfp_t gfp_flags,
+		unsigned int order),
+
+	TP_ARGS(gfp_flags, order)
+	);
+
+DEFINE_EVENT(ion_alloc_pages, alloc_pages_iommu_fail,
+	TP_PROTO(gfp_t gfp_flags,
+		unsigned int order),
+
+	TP_ARGS(gfp_flags, order)
+	);
+
+DEFINE_EVENT(ion_alloc_pages, alloc_pages_sys_start,
+	TP_PROTO(gfp_t gfp_flags,
+		unsigned int order),
+
+	TP_ARGS(gfp_flags, order)
+	);
+
+DEFINE_EVENT(ion_alloc_pages, alloc_pages_sys_end,
+	TP_PROTO(gfp_t gfp_flags,
+		unsigned int order),
+
+	TP_ARGS(gfp_flags, order)
+	);
+
+DEFINE_EVENT(ion_alloc_pages, alloc_pages_sys_fail,
+	TP_PROTO(gfp_t gfp_flags,
+		unsigned int order),
+
+	TP_ARGS(gfp_flags, order)
+	);
+
 #endif /* _TRACE_KMEM_H */
 
 /* This part must be outside protection */
diff --git a/kernel/pid.c b/kernel/pid.c
index 9f08dfa..7acf590 100644
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -430,6 +430,7 @@
 {
 	return find_task_by_pid_ns(vnr, current->nsproxy->pid_ns);
 }
+EXPORT_SYMBOL_GPL(find_task_by_vpid);
 
 struct pid *get_task_pid(struct task_struct *task, enum pid_type type)
 {
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index a2bad88..862e172 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -4757,6 +4757,7 @@
 	delayacct_blkio_end();
 	return ret;
 }
+EXPORT_SYMBOL(io_schedule_timeout);
 
 /**
  * sys_sched_get_priority_max - return maximum RT priority.
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index b175073..7e31770 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -2126,11 +2126,11 @@
 static void hrtick_start_fair(struct rq *rq, struct task_struct *p)
 {
 	struct sched_entity *se = &p->se;
-	struct cfs_rq *cfs_rq = cfs_rq_of(se);
+	struct cfs_rq *cfs_rq = &rq->cfs;
 
 	WARN_ON(task_rq(p) != rq);
 
-	if (cfs_rq->nr_running > 1) {
+	if (cfs_rq->h_nr_running > 1) {
 		u64 slice = sched_slice(cfs_rq, se);
 		u64 ran = se->sum_exec_runtime - se->prev_sum_exec_runtime;
 		s64 delta = slice - ran;
@@ -2154,8 +2154,7 @@
 
 /*
  * called from enqueue/dequeue and updates the hrtick when the
- * current task is from our class and nr_running is low enough
- * to matter.
+ * current task is from our class.
  */
 static void hrtick_update(struct rq *rq)
 {
@@ -2164,8 +2163,7 @@
 	if (!hrtick_enabled(rq) || curr->sched_class != &fair_sched_class)
 		return;
 
-	if (cfs_rq_of(&curr->se)->nr_running < sched_nr_latency)
-		hrtick_start_fair(rq, curr);
+	hrtick_start_fair(rq, curr);
 }
 #else /* !CONFIG_SCHED_HRTICK */
 static inline void
@@ -4626,7 +4624,7 @@
 
 	raw_spin_lock(&this_rq->lock);
 
-	if (pulled_task || time_after(jiffies, this_rq->next_balance)) {
+	if (!pulled_task || time_after(jiffies, this_rq->next_balance)) {
 		/*
 		 * We are going idle. next_balance may be set based on
 		 * a busy processor. So reset next_balance.
diff --git a/scripts/build-all.py b/scripts/build-all.py
index 3cecbe2..4789af7 100755
--- a/scripts/build-all.py
+++ b/scripts/build-all.py
@@ -88,7 +88,6 @@
         r'[fm]sm[0-9]*_defconfig',
         r'apq*_defconfig',
         r'qsd*_defconfig',
-        r'msmzinc*_defconfig',
         )
     for p in arch_pats:
         for n in glob.glob('arch/arm/configs/' + p):
diff --git a/sound/soc/codecs/wcd9304-tables.c b/sound/soc/codecs/wcd9304-tables.c
index 83c0c1d..7ec0152 100644
--- a/sound/soc/codecs/wcd9304-tables.c
+++ b/sound/soc/codecs/wcd9304-tables.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2012, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -235,8 +235,24 @@
 	[SITAR_A_CDC_RX1_B4_CTL] = SITAR_A_CDC_RX1_B4_CTL__POR,
 	[SITAR_A_CDC_RX1_B5_CTL] = SITAR_A_CDC_RX1_B5_CTL__POR,
 	[SITAR_A_CDC_RX1_B6_CTL] = SITAR_A_CDC_RX1_B6_CTL__POR,
+	[SITAR_A_CDC_RX2_B1_CTL] = SITAR_A_CDC_RX2_B1_CTL__POR,
+	[SITAR_A_CDC_RX2_B2_CTL] = SITAR_A_CDC_RX2_B2_CTL__POR,
+	[SITAR_A_CDC_RX2_B3_CTL] = SITAR_A_CDC_RX2_B3_CTL__POR,
+	[SITAR_A_CDC_RX2_B4_CTL] = SITAR_A_CDC_RX2_B4_CTL__POR,
+	[SITAR_A_CDC_RX2_B5_CTL] = SITAR_A_CDC_RX2_B5_CTL__POR,
+	[SITAR_A_CDC_RX2_B6_CTL] = SITAR_A_CDC_RX2_B6_CTL__POR,
+	[SITAR_A_CDC_RX3_B1_CTL] = SITAR_A_CDC_RX3_B1_CTL__POR,
+	[SITAR_A_CDC_RX3_B2_CTL] = SITAR_A_CDC_RX3_B2_CTL__POR,
+	[SITAR_A_CDC_RX3_B3_CTL] = SITAR_A_CDC_RX3_B3_CTL__POR,
+	[SITAR_A_CDC_RX3_B4_CTL] = SITAR_A_CDC_RX3_B4_CTL__POR,
+	[SITAR_A_CDC_RX3_B5_CTL] = SITAR_A_CDC_RX3_B5_CTL__POR,
+	[SITAR_A_CDC_RX3_B6_CTL] = SITAR_A_CDC_RX3_B6_CTL__POR,
 	[SITAR_A_CDC_RX1_VOL_CTL_B1_CTL] = SITAR_A_CDC_RX1_VOL_CTL_B1_CTL__POR,
 	[SITAR_A_CDC_RX1_VOL_CTL_B2_CTL] = SITAR_A_CDC_RX1_VOL_CTL_B2_CTL__POR,
+	[SITAR_A_CDC_RX2_VOL_CTL_B1_CTL] = SITAR_A_CDC_RX2_VOL_CTL_B1_CTL__POR,
+	[SITAR_A_CDC_RX2_VOL_CTL_B2_CTL] = SITAR_A_CDC_RX2_VOL_CTL_B2_CTL__POR,
+	[SITAR_A_CDC_RX3_VOL_CTL_B1_CTL] = SITAR_A_CDC_RX3_VOL_CTL_B1_CTL__POR,
+	[SITAR_A_CDC_RX3_VOL_CTL_B2_CTL] = SITAR_A_CDC_RX3_VOL_CTL_B2_CTL__POR,
 	[SITAR_A_CDC_CLK_ANC_RESET_CTL] = SITAR_A_CDC_CLK_ANC_RESET_CTL__POR,
 	[SITAR_A_CDC_CLK_RX_RESET_CTL] = SITAR_A_CDC_CLK_RX_RESET_CTL__POR,
 	[SITAR_A_CDC_CLK_TX_RESET_B1_CTL] =
@@ -322,6 +338,15 @@
 	[SITAR_A_CDC_COMP1_SHUT_DOWN_STATUS] =
 		SITAR_A_CDC_COMP1_SHUT_DOWN_STATUS__POR,
 	[SITAR_A_CDC_COMP1_FS_CFG] = SITAR_A_CDC_COMP1_FS_CFG__POR,
+	[SITAR_A_CDC_COMP2_B1_CTL] = SITAR_A_CDC_COMP2_B1_CTL__POR,
+	[SITAR_A_CDC_COMP2_B2_CTL] = SITAR_A_CDC_COMP2_B2_CTL__POR,
+	[SITAR_A_CDC_COMP2_B3_CTL] = SITAR_A_CDC_COMP2_B3_CTL__POR,
+	[SITAR_A_CDC_COMP2_B4_CTL] = SITAR_A_CDC_COMP2_B4_CTL__POR,
+	[SITAR_A_CDC_COMP2_B5_CTL] = SITAR_A_CDC_COMP2_B5_CTL__POR,
+	[SITAR_A_CDC_COMP2_B6_CTL] = SITAR_A_CDC_COMP2_B6_CTL__POR,
+	[SITAR_A_CDC_COMP2_SHUT_DOWN_STATUS] =
+		SITAR_A_CDC_COMP2_SHUT_DOWN_STATUS__POR,
+	[SITAR_A_CDC_COMP2_FS_CFG] = SITAR_A_CDC_COMP2_FS_CFG__POR,
 	[SITAR_A_CDC_CONN_RX1_B1_CTL] = SITAR_A_CDC_CONN_RX1_B1_CTL__POR,
 	[SITAR_A_CDC_CONN_RX1_B2_CTL] = SITAR_A_CDC_CONN_RX1_B2_CTL__POR,
 	[SITAR_A_CDC_CONN_RX1_B3_CTL] = SITAR_A_CDC_CONN_RX1_B3_CTL__POR,
diff --git a/sound/soc/codecs/wcd9304.c b/sound/soc/codecs/wcd9304.c
index f5f4e23..616f8d5 100644
--- a/sound/soc/codecs/wcd9304.c
+++ b/sound/soc/codecs/wcd9304.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2012, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -81,6 +81,11 @@
 
 #define SITAR_OCP_ATTEMPT 1
 
+#define COMP_DIGITAL_DB_GAIN_APPLY(a, b) \
+	(((a) <= 0) ? ((a) - b) : (a))
+/* The wait time value comes from codec HW specification */
+#define COMP_BRINGUP_WAIT_TIME  3000
+
 #define SITAR_MCLK_RATE_12288KHZ 12288000
 #define SITAR_MCLK_RATE_9600KHZ 9600000
 
@@ -148,6 +153,22 @@
 	BAND_MAX,
 };
 
+enum {
+	COMPANDER_1 = 0,
+	COMPANDER_2,
+	COMPANDER_MAX,
+};
+
+enum {
+	COMPANDER_FS_8KHZ = 0,
+	COMPANDER_FS_16KHZ,
+	COMPANDER_FS_32KHZ,
+	COMPANDER_FS_48KHZ,
+	COMPANDER_FS_96KHZ,
+	COMPANDER_FS_192KHZ,
+	COMPANDER_FS_MAX,
+};
+
 /* Flags to track of PA and DAC state.
  * PA and DAC should be tracked separately as AUXPGA loopback requires
  * only PA to be turned on without DAC being on. */
@@ -158,6 +179,33 @@
 	SITAR_HPHR_DAC_OFF_ACK
 };
 
+struct comp_sample_dependent_params {
+	u32 peak_det_timeout;
+	u32 rms_meter_div_fact;
+	u32 rms_meter_resamp_fact;
+};
+
+struct comp_dgtl_gain_offset {
+	u8 whole_db_gain;
+	u8 half_db_gain;
+};
+
+static const struct comp_dgtl_gain_offset comp_dgtl_gain[] = {
+	{0, 0},
+	{1, 1},
+	{3, 0},
+	{4, 1},
+	{6, 0},
+	{7, 1},
+	{9, 0},
+	{10, 1},
+	{12, 0},
+	{13, 1},
+	{15, 0},
+	{16, 1},
+	{18, 0},
+};
+
 /* Data used by MBHC */
 struct mbhc_internal_cal_data {
 	u16 dce_z;
@@ -273,6 +321,11 @@
 	/* num of slim ports required */
 	struct wcd9xxx_codec_dai_data dai[NUM_CODEC_DAIS];
 
+	/*compander*/
+	int comp_enabled[COMPANDER_MAX];
+	u32 comp_fs[COMPANDER_MAX];
+	u8  comp_gain_offset[NUM_INTERPOLATORS];
+
 	/* Currently, only used for mbhc purpose, to protect
 	 * concurrent execution of mbhc threaded irq handlers and
 	 * kill race between DAPM and MBHC.But can serve as a
@@ -295,6 +348,47 @@
 struct sitar_priv *debug_sitar_priv;
 #endif
 
+static const int comp_rx_path[] = {
+	COMPANDER_2,
+	COMPANDER_1,
+	COMPANDER_1,
+	COMPANDER_MAX,
+};
+
+static const struct comp_sample_dependent_params
+		    comp_samp_params[COMPANDER_FS_MAX] = {
+	{
+		.peak_det_timeout = 0x6,
+		.rms_meter_div_fact = 0x9 << 4,
+		.rms_meter_resamp_fact = 0x06,
+	},
+	{
+		.peak_det_timeout = 0x7,
+		.rms_meter_div_fact = 0xA << 4,
+		.rms_meter_resamp_fact = 0x0C,
+	},
+	{
+		.peak_det_timeout = 0x8,
+		.rms_meter_div_fact = 0xB << 4,
+		.rms_meter_resamp_fact = 0x30,
+	},
+	{
+		.peak_det_timeout = 0x9,
+		.rms_meter_div_fact = 0xB << 4,
+		.rms_meter_resamp_fact = 0x28,
+	},
+	{
+		.peak_det_timeout = 0xA,
+		.rms_meter_div_fact = 0xC << 4,
+		.rms_meter_resamp_fact = 0x50,
+	},
+	{
+		.peak_det_timeout = 0xB,
+		.rms_meter_div_fact = 0xC << 4,
+		.rms_meter_resamp_fact = 0x50,
+	},
+};
+
 static int sitar_get_anc_slot(struct snd_kcontrol *kcontrol,
 	struct snd_ctl_elem_value *ucontrol)
 {
@@ -539,6 +633,268 @@
 	return 0;
 }
 
+static int sitar_compander_gain_offset(
+	struct snd_soc_codec *codec, u32 enable,
+	unsigned int pa_reg, unsigned int vol_reg,
+	int mask, int event,
+	struct comp_dgtl_gain_offset *gain_offset,
+	int index)
+{
+	unsigned int pa_gain = snd_soc_read(codec, pa_reg);
+	unsigned int digital_vol = snd_soc_read(codec, vol_reg);
+	int pa_mode = pa_gain & mask;
+	struct sitar_priv *sitar = snd_soc_codec_get_drvdata(codec);
+
+	pr_debug("%s: pa_gain(0x%x=0x%x)digital_vol(0x%x=0x%x)event(0x%x) index(%d)\n",
+		 __func__, pa_reg, pa_gain, vol_reg, digital_vol, event, index);
+	if (((pa_gain & 0xF) + 1) > ARRAY_SIZE(comp_dgtl_gain) ||
+		(index >= ARRAY_SIZE(sitar->comp_gain_offset))) {
+		pr_err("%s: Out of array boundary\n", __func__);
+		return -EINVAL;
+	}
+
+	if (SND_SOC_DAPM_EVENT_ON(event) && (enable != 0)) {
+		gain_offset->whole_db_gain = COMP_DIGITAL_DB_GAIN_APPLY(
+		  (digital_vol - comp_dgtl_gain[pa_gain & 0xF].whole_db_gain),
+		  comp_dgtl_gain[pa_gain & 0xF].half_db_gain);
+		pr_debug("%s: listed whole_db_gain:0x%x, adjusted whole_db_gain:0x%x\n",
+			 __func__, comp_dgtl_gain[pa_gain & 0xF].whole_db_gain,
+			 gain_offset->whole_db_gain);
+		gain_offset->half_db_gain =
+				comp_dgtl_gain[pa_gain & 0xF].half_db_gain;
+		sitar->comp_gain_offset[index] = digital_vol -
+						 gain_offset->whole_db_gain ;
+	}
+	if (SND_SOC_DAPM_EVENT_OFF(event) && (pa_mode == 0)) {
+		gain_offset->whole_db_gain = digital_vol +
+					     sitar->comp_gain_offset[index];
+		pr_debug("%s: listed whole_db_gain:0x%x, adjusted whole_db_gain:0x%x\n",
+			 __func__, comp_dgtl_gain[pa_gain & 0xF].whole_db_gain,
+			 gain_offset->whole_db_gain);
+		gain_offset->half_db_gain = 0;
+	}
+
+	pr_debug("%s: half_db_gain(%d)whole_db_gain(0x%x)comp_gain_offset[%d](%d)\n",
+		 __func__, gain_offset->half_db_gain,
+		 gain_offset->whole_db_gain, index,
+		 sitar->comp_gain_offset[index]);
+	return 0;
+}
+
+static int sitar_config_gain_compander(
+				struct snd_soc_codec *codec,
+				u32 compander, u32 enable, int event)
+{
+	int value = 0;
+	int mask = 1 << 4;
+	struct comp_dgtl_gain_offset gain_offset = {0, 0};
+	if (compander >= COMPANDER_MAX) {
+		pr_err("%s: Error, invalid compander channel\n", __func__);
+		return -EINVAL;
+	}
+
+	if ((enable == 0) || SND_SOC_DAPM_EVENT_OFF(event))
+		value = 1 << 4;
+
+	if (compander == COMPANDER_1) {
+		sitar_compander_gain_offset(codec, enable,
+				SITAR_A_RX_HPH_L_GAIN,
+				SITAR_A_CDC_RX2_VOL_CTL_B2_CTL,
+				mask, event, &gain_offset, 1);
+		snd_soc_update_bits(codec, SITAR_A_RX_HPH_L_GAIN, mask, value);
+		snd_soc_update_bits(codec, SITAR_A_CDC_RX2_VOL_CTL_B2_CTL,
+				    0xFF, gain_offset.whole_db_gain);
+		snd_soc_update_bits(codec, SITAR_A_CDC_RX2_B6_CTL,
+				    0x02, gain_offset.half_db_gain);
+		sitar_compander_gain_offset(codec, enable,
+				SITAR_A_RX_HPH_R_GAIN,
+				SITAR_A_CDC_RX3_VOL_CTL_B2_CTL,
+				mask, event, &gain_offset, 2);
+		snd_soc_update_bits(codec, SITAR_A_RX_HPH_R_GAIN, mask, value);
+		snd_soc_update_bits(codec, SITAR_A_CDC_RX3_VOL_CTL_B2_CTL,
+				    0xFF, gain_offset.whole_db_gain);
+		snd_soc_update_bits(codec, SITAR_A_CDC_RX3_B6_CTL,
+				    0x02, gain_offset.half_db_gain);
+	} else if (compander == COMPANDER_2) {
+		sitar_compander_gain_offset(codec, enable,
+				SITAR_A_RX_LINE_1_GAIN,
+				SITAR_A_CDC_RX1_VOL_CTL_B2_CTL,
+				mask, event, &gain_offset, 0);
+		snd_soc_update_bits(codec, SITAR_A_RX_LINE_1_GAIN, mask, value);
+		snd_soc_update_bits(codec, SITAR_A_RX_LINE_2_GAIN, mask, value);
+		snd_soc_update_bits(codec, SITAR_A_CDC_RX1_VOL_CTL_B2_CTL,
+				    0xFF, gain_offset.whole_db_gain);
+		snd_soc_update_bits(codec, SITAR_A_CDC_RX1_B6_CTL,
+				    0x02, gain_offset.half_db_gain);
+	}
+	return 0;
+}
+
+static int sitar_get_compander(struct snd_kcontrol *kcontrol,
+				   struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+	int comp = ((struct soc_multi_mixer_control *)
+					kcontrol->private_value)->shift;
+	struct sitar_priv *sitar = snd_soc_codec_get_drvdata(codec);
+
+	ucontrol->value.integer.value[0] = sitar->comp_enabled[comp];
+
+	return 0;
+}
+
+static int sitar_set_compander(struct snd_kcontrol *kcontrol,
+				   struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+	struct sitar_priv *sitar = snd_soc_codec_get_drvdata(codec);
+	int comp = ((struct soc_multi_mixer_control *)
+					kcontrol->private_value)->shift;
+	int value = ucontrol->value.integer.value[0];
+
+	pr_debug("%s: compander #%d enable %d\n",
+		 __func__, comp + 1, value);
+	if (value == sitar->comp_enabled[comp]) {
+		pr_debug("%s: compander #%d enable %d no change\n",
+			 __func__, comp + 1, value);
+		return 0;
+	}
+	sitar->comp_enabled[comp] = value;
+	return 0;
+}
+
+static int sitar_config_compander(struct snd_soc_dapm_widget *w,
+				  struct snd_kcontrol *kcontrol,
+				  int event)
+{
+	struct snd_soc_codec *codec = w->codec;
+	struct sitar_priv *sitar = snd_soc_codec_get_drvdata(codec);
+	u32 rate = sitar->comp_fs[w->shift];
+	u32 value;
+
+	pr_debug("%s: compander #%d enable %d event %d widget name %s\n",
+		 __func__, w->shift + 1,
+		 sitar->comp_enabled[w->shift], event , w->name);
+	if (sitar->comp_enabled[w->shift] == 0)
+		goto rtn;
+	switch (event) {
+	case SND_SOC_DAPM_PRE_PMU:
+		/* Update compander sample rate */
+		snd_soc_update_bits(codec, SITAR_A_CDC_COMP1_FS_CFG +
+				    w->shift * 8, 0x07, rate);
+		/* Enable compander clock */
+		snd_soc_update_bits(codec,
+				    SITAR_A_CDC_CLK_RX_B2_CTL,
+				    1 << w->shift,
+				    1 << w->shift);
+		/* Toggle compander reset bits */
+		snd_soc_update_bits(codec,
+				    SITAR_A_CDC_CLK_OTHR_RESET_CTL,
+				    1 << w->shift,
+				    1 << w->shift);
+		snd_soc_update_bits(codec,
+				    SITAR_A_CDC_CLK_OTHR_RESET_CTL,
+				    1 << w->shift, 0);
+		sitar_config_gain_compander(codec, w->shift, 1, event);
+		/* Compander enable -> 0x370/0x378 */
+		snd_soc_update_bits(codec, SITAR_A_CDC_COMP1_B1_CTL +
+				    w->shift * 8, 0x03, 0x03);
+		/* Update the RMS meter resampling */
+		snd_soc_update_bits(codec,
+				    SITAR_A_CDC_COMP1_B3_CTL +
+				    w->shift * 8, 0xFF, 0x01);
+		snd_soc_update_bits(codec,
+				    SITAR_A_CDC_COMP1_B2_CTL +
+				    w->shift * 8, 0xF0, 0x50);
+		usleep_range(COMP_BRINGUP_WAIT_TIME, COMP_BRINGUP_WAIT_TIME);
+		break;
+	case SND_SOC_DAPM_POST_PMU:
+		snd_soc_update_bits(codec,
+				    SITAR_A_CDC_CLSG_CTL,
+				    0x11, 0x00);
+		if (w->shift == COMPANDER_1)
+			value = 0x22;
+		else
+			value = 0x11;
+		snd_soc_write(codec,
+			      SITAR_A_CDC_CONN_CLSG_CTL, value);
+
+		snd_soc_update_bits(codec, SITAR_A_CDC_COMP1_B2_CTL +
+				    w->shift * 8, 0x0F,
+				    comp_samp_params[rate].peak_det_timeout);
+		snd_soc_update_bits(codec, SITAR_A_CDC_COMP1_B2_CTL +
+				    w->shift * 8, 0xF0,
+				    comp_samp_params[rate].rms_meter_div_fact);
+		snd_soc_update_bits(codec, SITAR_A_CDC_COMP1_B3_CTL +
+				w->shift * 8, 0xFF,
+				comp_samp_params[rate].rms_meter_resamp_fact);
+		break;
+	case SND_SOC_DAPM_POST_PMD:
+		snd_soc_update_bits(codec, SITAR_A_CDC_COMP1_B1_CTL +
+				    w->shift * 8, 0x03, 0x00);
+		/* Toggle compander reset bits */
+		snd_soc_update_bits(codec,
+				    SITAR_A_CDC_CLK_OTHR_RESET_CTL,
+				    1 << w->shift,
+				    1 << w->shift);
+		snd_soc_update_bits(codec,
+				    SITAR_A_CDC_CLK_OTHR_RESET_CTL,
+				    1 << w->shift, 0);
+		/* Disable compander clock */
+		snd_soc_update_bits(codec,
+				    SITAR_A_CDC_CLK_RX_B2_CTL,
+				    1 << w->shift,
+				    0);
+		/* Restore the gain */
+		sitar_config_gain_compander(codec, w->shift,
+					    sitar->comp_enabled[w->shift],
+					    event);
+		snd_soc_update_bits(codec,
+				    SITAR_A_CDC_CLSG_CTL,
+				    0x11, 0x11);
+		snd_soc_write(codec,
+			      SITAR_A_CDC_CONN_CLSG_CTL, 0x14);
+		break;
+	}
+rtn:
+	return 0;
+}
+
+static int sitar_codec_dem_input_selection(struct snd_soc_dapm_widget *w,
+						struct snd_kcontrol *kcontrol,
+						int event)
+{
+	struct snd_soc_codec *codec = w->codec;
+	struct sitar_priv *sitar = snd_soc_codec_get_drvdata(codec);
+	pr_debug("%s: compander#1->enable(%d) compander#2->enable(%d) reg(0x%x = 0x%x) event(%d)\n",
+		__func__, sitar->comp_enabled[COMPANDER_1],
+		sitar->comp_enabled[COMPANDER_2],
+		SITAR_A_CDC_RX1_B6_CTL + w->shift * 8,
+		snd_soc_read(codec, SITAR_A_CDC_RX1_B6_CTL + w->shift * 8),
+		event);
+	switch (event) {
+	case SND_SOC_DAPM_POST_PMU:
+		if (sitar->comp_enabled[COMPANDER_1] ||
+		    sitar->comp_enabled[COMPANDER_2])
+			snd_soc_update_bits(codec,
+					    SITAR_A_CDC_RX1_B6_CTL +
+					    w->shift * 8,
+					    1 << 5, 0);
+		else
+			snd_soc_update_bits(codec,
+					    SITAR_A_CDC_RX1_B6_CTL +
+					    w->shift * 8,
+					    1 << 5, 0x20);
+		break;
+	case SND_SOC_DAPM_POST_PMD:
+		snd_soc_update_bits(codec,
+				    SITAR_A_CDC_RX1_B6_CTL + w->shift * 8,
+				    1 << 5, 0);
+		break;
+	}
+	return 0;
+}
+
 static const char * const sitar_ear_pa_gain_text[] = {"POS_6_DB",
 					"POS_2_DB", "NEG_2P5_DB", "NEG_12_DB"};
 
@@ -652,6 +1008,10 @@
 	sitar_get_iir_band_audio_mixer, sitar_put_iir_band_audio_mixer),
 	SOC_SINGLE_MULTI_EXT("IIR2 Band5", IIR2, BAND5, 255, 0, 5,
 	sitar_get_iir_band_audio_mixer, sitar_put_iir_band_audio_mixer),
+	SOC_SINGLE_EXT("COMP1 Switch", SND_SOC_NOPM, COMPANDER_1, 1, 0,
+				sitar_get_compander, sitar_set_compander),
+	SOC_SINGLE_EXT("COMP2 Switch", SND_SOC_NOPM, COMPANDER_2, 1, 0,
+				sitar_get_compander, sitar_set_compander),
 };
 
 static const char *rx_mix1_text[] = {
@@ -1267,9 +1627,14 @@
 		struct snd_kcontrol *kcontrol, int event)
 {
 	struct snd_soc_codec *codec = w->codec;
+	struct sitar_priv *sitar = snd_soc_codec_get_drvdata(codec);
 	u16 lineout_gain_reg;
 
-	pr_debug("%s %d %s\n", __func__, event, w->name);
+	pr_debug("%s %d %s comp2 enable %d\n", __func__, event, w->name,
+		 sitar->comp_enabled[COMPANDER_2]);
+
+	if (sitar->comp_enabled[COMPANDER_2])
+		goto rtn;
 
 	switch (w->shift) {
 	case 0:
@@ -1311,6 +1676,7 @@
 		snd_soc_update_bits(codec, lineout_gain_reg, 0x10, 0x00);
 		break;
 	}
+rtn:
 	return 0;
 }
 
@@ -2010,16 +2376,22 @@
 	struct snd_kcontrol *kcontrol, int event)
 {
 	struct snd_soc_codec *codec = w->codec;
+	struct sitar_priv *sitar = snd_soc_codec_get_drvdata(codec);
 
-	pr_debug("%s %s %d\n", __func__, w->name, event);
+	pr_debug("%s %s %d comp#1 enable %d\n", __func__,
+		 w->name, event, sitar->comp_enabled[COMPANDER_1]);
 
 	switch (event) {
 	case SND_SOC_DAPM_PRE_PMU:
 		if (w->reg == SITAR_A_RX_HPH_L_DAC_CTL) {
-			snd_soc_update_bits(codec, SITAR_A_CDC_CONN_CLSG_CTL,
-				0x30, 0x20);
-			snd_soc_update_bits(codec, SITAR_A_CDC_CONN_CLSG_CTL,
-				0x0C, 0x08);
+			if (!sitar->comp_enabled[COMPANDER_1]) {
+				snd_soc_update_bits(codec,
+						    SITAR_A_CDC_CONN_CLSG_CTL,
+						    0x30, 0x20);
+				snd_soc_update_bits(codec,
+						    SITAR_A_CDC_CONN_CLSG_CTL,
+						    0x0C, 0x08);
+			}
 		}
 		snd_soc_update_bits(codec, w->reg, 0x40, 0x40);
 		break;
@@ -2338,9 +2710,15 @@
 	SND_SOC_DAPM_MUX("DAC4 MUX", SND_SOC_NOPM, 0, 0,
 		&rx_dac4_mux),
 
-	SND_SOC_DAPM_MIXER("RX1 CHAIN", SITAR_A_CDC_RX1_B6_CTL, 5, 0, NULL, 0),
-	SND_SOC_DAPM_MIXER("RX2 CHAIN", SITAR_A_CDC_RX2_B6_CTL, 5, 0, NULL, 0),
-	SND_SOC_DAPM_MIXER("RX3 CHAIN", SITAR_A_CDC_RX3_B6_CTL, 5, 0, NULL, 0),
+	SND_SOC_DAPM_MIXER_E("RX1 CHAIN", SND_SOC_NOPM, 0, 0, NULL,
+		0, sitar_codec_dem_input_selection,
+		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_POST_PMD),
+	SND_SOC_DAPM_MIXER_E("RX2 CHAIN", SND_SOC_NOPM, 1, 0, NULL,
+		0, sitar_codec_dem_input_selection,
+		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_POST_PMD),
+	SND_SOC_DAPM_MIXER_E("RX3 CHAIN", SND_SOC_NOPM, 2, 0, NULL,
+		0, sitar_codec_dem_input_selection,
+		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_POST_PMD),
 
 	SND_SOC_DAPM_MUX("RX1 MIX1 INP1", SND_SOC_NOPM, 0, 0,
 		&rx_mix1_inp1_mux),
@@ -2463,6 +2841,13 @@
 		sitar_codec_enable_dmic, SND_SOC_DAPM_PRE_PMU |
 		SND_SOC_DAPM_POST_PMD),
 
+	SND_SOC_DAPM_SUPPLY("COMP1_CLK", SND_SOC_NOPM, COMPANDER_1, 0,
+		sitar_config_compander, SND_SOC_DAPM_PRE_PMU |
+		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
+	SND_SOC_DAPM_SUPPLY("COMP2_CLK", SND_SOC_NOPM, COMPANDER_2, 0,
+		sitar_config_compander, SND_SOC_DAPM_PRE_PMU |
+		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
+
 	/* Sidetone */
 	SND_SOC_DAPM_MUX("IIR1 INP1 MUX", SND_SOC_NOPM, 0, 0, &iir1_inp1_mux),
 	SND_SOC_DAPM_PGA("IIR1", SITAR_A_CDC_CLK_SD_CTL, 0, 0, NULL, 0),
@@ -2592,6 +2977,10 @@
 	{"SLIM RX3", NULL, "SLIM RX3 MUX"},
 	{"SLIM RX4", NULL, "SLIM RX4 MUX"},
 
+	{"RX1 MIX1", NULL, "COMP2_CLK"},
+	{"RX2 MIX1", NULL, "COMP1_CLK"},
+	{"RX3 MIX1", NULL, "COMP1_CLK"},
+
 	/* Slimbus port 5 is non functional in Sitar 1.0 */
 	{"RX1 MIX1 INP1", "RX1", "SLIM RX1"},
 	{"RX1 MIX1 INP1", "RX2", "SLIM RX2"},
@@ -2733,6 +3122,10 @@
 		if (reg == SITAR_A_CDC_RX1_VOL_CTL_B2_CTL + (8 * i))
 			return 1;
 	}
+
+	if ((reg == SITAR_A_CDC_COMP1_SHUT_DOWN_STATUS) ||
+		(reg == SITAR_A_CDC_COMP2_SHUT_DOWN_STATUS))
+			return 1;
 	return 0;
 }
 
@@ -3191,6 +3584,7 @@
 	struct snd_soc_codec *codec = dai->codec;
 	struct sitar_priv *sitar = snd_soc_codec_get_drvdata(dai->codec);
 	u8 path, shift;
+	u32 compander_fs;
 	u16 tx_fs_reg, rx_fs_reg;
 	u8 tx_fs_rate, rx_fs_rate, rx_state, tx_state;
 
@@ -3200,18 +3594,32 @@
 	case 8000:
 		tx_fs_rate = 0x00;
 		rx_fs_rate = 0x00;
+		compander_fs = COMPANDER_FS_8KHZ;
 		break;
 	case 16000:
 		tx_fs_rate = 0x01;
 		rx_fs_rate = 0x20;
+		compander_fs = COMPANDER_FS_16KHZ;
 		break;
 	case 32000:
 		tx_fs_rate = 0x02;
 		rx_fs_rate = 0x40;
+		compander_fs = COMPANDER_FS_32KHZ;
 		break;
 	case 48000:
 		tx_fs_rate = 0x03;
 		rx_fs_rate = 0x60;
+		compander_fs = COMPANDER_FS_48KHZ;
+		break;
+	case 96000:
+		tx_fs_rate = 0x04;
+		rx_fs_rate = 0x80;
+		compander_fs = COMPANDER_FS_96KHZ;
+		break;
+	case 192000:
+		tx_fs_rate = 0x05;
+		rx_fs_rate = 0xa0;
+		compander_fs = COMPANDER_FS_192KHZ;
 		break;
 	default:
 		pr_err("%s: Invalid sampling rate %d\n", __func__,
@@ -3285,6 +3693,9 @@
 						+ (BITS_PER_REG*(path-1));
 				snd_soc_update_bits(codec, rx_fs_reg,
 						0xE0, rx_fs_rate);
+				if (comp_rx_path[shift] < COMPANDER_MAX)
+					sitar->comp_fs[comp_rx_path[shift]]
+						= compander_fs;
 			}
 		}
 		if (sitar->intf_type == WCD9XXX_INTERFACE_TYPE_I2C) {
@@ -5484,6 +5895,11 @@
 	if (sitar->intf_type == WCD9XXX_INTERFACE_TYPE_I2C)
 		sitar_i2c_codec_init_reg(codec);
 
+	for (i = 0; i < COMPANDER_MAX; i++) {
+		sitar->comp_enabled[i] = 0;
+		sitar->comp_fs[i] = COMPANDER_FS_48KHZ;
+	}
+
 	ret = sitar_handle_pdata(sitar);
 	if (IS_ERR_VALUE(ret)) {
 		pr_err("%s: bad pdata\n", __func__);
diff --git a/sound/soc/codecs/wcd9306.c b/sound/soc/codecs/wcd9306.c
index a7069a6..67674f3 100644
--- a/sound/soc/codecs/wcd9306.c
+++ b/sound/soc/codecs/wcd9306.c
@@ -4371,6 +4371,12 @@
 	return ret;
 }
 
+static void tapan_cleanup_irqs(struct tapan_priv *tapan)
+{
+	struct snd_soc_codec *codec = tapan->codec;
+	wcd9xxx_free_irq(codec->control_data, WCD9XXX_IRQ_SLIMBUS, tapan);
+}
+
 int tapan_hs_detect(struct snd_soc_codec *codec,
 		    struct wcd9xxx_mbhc_config *mbhc_cfg)
 {
@@ -4512,6 +4518,10 @@
 	mutex_unlock(&dapm->codec->mutex);
 
 	codec->ignore_pmdown_time = 1;
+
+	if (ret)
+		tapan_cleanup_irqs(tapan);
+
 	return ret;
 
 err_pdata:
@@ -4532,6 +4542,9 @@
 		wcd9xxx_resmgr_put_bandgap(&tapan->resmgr,
 					   WCD9XXX_BANDGAP_AUDIO_MODE);
 	WCD9XXX_BCL_UNLOCK(&tapan->resmgr);
+
+	tapan_cleanup_irqs(tapan);
+
 	/* cleanup MBHC */
 	wcd9xxx_mbhc_deinit(&tapan->mbhc);
 	/* cleanup resmgr */
diff --git a/sound/soc/codecs/wcd9310.c b/sound/soc/codecs/wcd9310.c
index b8a4a86..29703b9 100644
--- a/sound/soc/codecs/wcd9310.c
+++ b/sound/soc/codecs/wcd9310.c
@@ -55,9 +55,12 @@
 #define MBHC_FW_READ_ATTEMPTS 15
 #define MBHC_FW_READ_TIMEOUT 2000000
 #define MBHC_VDDIO_SWITCH_WAIT_MS 10
+#define COMP_DIGITAL_DB_GAIN_APPLY(a, b) \
+	(((a) <= 0) ? ((a) - b) : (a))
 
 #define SLIM_CLOSE_TIMEOUT 1000
-
+/* The wait time value comes from codec HW specification */
+#define COMP_BRINGUP_WAIT_TIME  2000
 enum {
 	MBHC_USE_HPHL_TRIGGER = 1,
 	MBHC_USE_MB_TRIGGER = 2
@@ -99,9 +102,7 @@
 	RX_MIX1_INP_SEL_RX6,
 	RX_MIX1_INP_SEL_RX7,
 };
-
-#define TABLA_COMP_DIGITAL_GAIN_HP_OFFSET 3
-#define TABLA_COMP_DIGITAL_GAIN_LINEOUT_OFFSET 6
+#define MAX_PA_GAIN_OPTIONS  13
 
 #define TABLA_MCLK_RATE_12288KHZ 12288000
 #define TABLA_MCLK_RATE_9600KHZ 9600000
@@ -220,6 +221,28 @@
 	u32 shutdown_timeout;
 };
 
+struct comp_dgtl_gain_offset {
+	u8 whole_db_gain;
+	u8 half_db_gain;
+};
+
+static const struct comp_dgtl_gain_offset
+			comp_dgtl_gain[MAX_PA_GAIN_OPTIONS] = {
+	{0, 0},
+	{1, 1},
+	{3, 0},
+	{4, 1},
+	{6, 0},
+	{7, 1},
+	{9, 0},
+	{10, 1},
+	{12, 0},
+	{13, 1},
+	{15, 0},
+	{16, 1},
+	{18, 0},
+};
+
 /* Data used by MBHC */
 struct mbhc_internal_cal_data {
 	u16 dce_z;
@@ -377,6 +400,7 @@
 	/*compander*/
 	int comp_enabled[COMPANDER_MAX];
 	u32 comp_fs[COMPANDER_MAX];
+	u8  comp_gain_offset[TABLA_SB_PGD_MAX_NUMBER_OF_RX_SLAVE_DEV_PORTS - 1];
 
 	/* Maintain the status of AUX PGA */
 	int aux_pga_cnt;
@@ -547,7 +571,10 @@
 {
 	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 	struct tabla_priv *tabla = snd_soc_codec_get_drvdata(codec);
+
+	mutex_lock(&codec->dapm.codec->mutex);
 	ucontrol->value.integer.value[0] = (tabla->anc_func == true ? 1 : 0);
+	mutex_unlock(&codec->dapm.codec->mutex);
 	return 0;
 }
 
@@ -802,34 +829,51 @@
 
 static int tabla_compander_gain_offset(
 	struct snd_soc_codec *codec, u32 enable,
-	unsigned int reg, int mask, int event, u32 comp)
+	unsigned int pa_reg, unsigned int vol_reg,
+	int mask, int event,
+	struct comp_dgtl_gain_offset *gain_offset,
+	int index)
 {
-	int pa_mode = snd_soc_read(codec, reg) & mask;
-	int gain_offset = 0;
-	/*  if PMU && enable is 1-> offset is 3
-	 *  if PMU && enable is 0-> offset is 0
-	 *  if PMD && pa_mode is PA -> offset is 0: PMU compander is off
-	 *  if PMD && pa_mode is comp -> offset is -3: PMU compander is on.
-	 */
+	unsigned int pa_gain = snd_soc_read(codec, pa_reg);
+	unsigned int digital_vol = snd_soc_read(codec, vol_reg);
+	int pa_mode = pa_gain & mask;
+	struct tabla_priv *tabla = snd_soc_codec_get_drvdata(codec);
+
+	pr_debug("%s: pa_gain(0x%x=0x%x)digital_vol(0x%x=0x%x)event(0x%x) index(%d)\n",
+		 __func__, pa_reg, pa_gain, vol_reg, digital_vol, event, index);
+	if (((pa_gain & 0xF) + 1) > ARRAY_SIZE(comp_dgtl_gain) ||
+		(index >= ARRAY_SIZE(tabla->comp_gain_offset))) {
+		pr_err("%s: Out of array boundary\n", __func__);
+		return -EINVAL;
+	}
 
 	if (SND_SOC_DAPM_EVENT_ON(event) && (enable != 0)) {
-		if (comp == COMPANDER_1)
-			gain_offset = TABLA_COMP_DIGITAL_GAIN_HP_OFFSET;
-		if (comp == COMPANDER_2)
-			gain_offset = TABLA_COMP_DIGITAL_GAIN_LINEOUT_OFFSET;
+		gain_offset->whole_db_gain = COMP_DIGITAL_DB_GAIN_APPLY(
+		  (digital_vol - comp_dgtl_gain[pa_gain & 0xF].whole_db_gain),
+		  comp_dgtl_gain[pa_gain & 0xF].half_db_gain);
+		pr_debug("%s: listed whole_db_gain:0x%x, adjusted whole_db_gain:0x%x\n",
+			 __func__, comp_dgtl_gain[pa_gain & 0xF].whole_db_gain,
+			 gain_offset->whole_db_gain);
+		gain_offset->half_db_gain =
+				comp_dgtl_gain[pa_gain & 0xF].half_db_gain;
+		tabla->comp_gain_offset[index] = digital_vol -
+						 gain_offset->whole_db_gain ;
 	}
 	if (SND_SOC_DAPM_EVENT_OFF(event) && (pa_mode == 0)) {
-		if (comp == COMPANDER_1)
-			gain_offset = -TABLA_COMP_DIGITAL_GAIN_HP_OFFSET;
-		if (comp == COMPANDER_2)
-			gain_offset = -TABLA_COMP_DIGITAL_GAIN_LINEOUT_OFFSET;
-
+		gain_offset->whole_db_gain = digital_vol +
+					     tabla->comp_gain_offset[index];
+		pr_debug("%s: listed whole_db_gain:0x%x, adjusted whole_db_gain:0x%x\n",
+			 __func__, comp_dgtl_gain[pa_gain & 0xF].whole_db_gain,
+			 gain_offset->whole_db_gain);
+		gain_offset->half_db_gain = 0;
 	}
-	pr_debug("%s: compander #%d gain_offset %d\n",
-		 __func__, comp + 1, gain_offset);
-	return gain_offset;
-}
 
+	pr_debug("%s: half_db_gain(%d)whole_db_gain(%d)comp_gain_offset[%d](%d)\n",
+		 __func__, gain_offset->half_db_gain,
+		 gain_offset->whole_db_gain, index,
+		 tabla->comp_gain_offset[index]);
+	return 0;
+}
 
 static int tabla_config_gain_compander(
 				struct snd_soc_codec *codec,
@@ -837,8 +881,7 @@
 {
 	int value = 0;
 	int mask = 1 << 4;
-	int gain = 0;
-	int gain_offset;
+	struct comp_dgtl_gain_offset gain_offset = {0, 0};
 	if (compander >= COMPANDER_MAX) {
 		pr_err("%s: Error, invalid compander channel\n", __func__);
 		return -EINVAL;
@@ -848,43 +891,61 @@
 		value = 1 << 4;
 
 	if (compander == COMPANDER_1) {
-		gain_offset = tabla_compander_gain_offset(codec, enable,
-				TABLA_A_RX_HPH_L_GAIN, mask, event, compander);
+		tabla_compander_gain_offset(codec, enable,
+				TABLA_A_RX_HPH_L_GAIN,
+				TABLA_A_CDC_RX1_VOL_CTL_B2_CTL,
+				mask, event, &gain_offset, 0);
 		snd_soc_update_bits(codec, TABLA_A_RX_HPH_L_GAIN, mask, value);
-		gain = snd_soc_read(codec, TABLA_A_CDC_RX1_VOL_CTL_B2_CTL);
 		snd_soc_update_bits(codec, TABLA_A_CDC_RX1_VOL_CTL_B2_CTL,
-				0xFF, gain - gain_offset);
-		gain_offset = tabla_compander_gain_offset(codec, enable,
-				TABLA_A_RX_HPH_R_GAIN, mask, event, compander);
+				    0xFF, gain_offset.whole_db_gain);
+		snd_soc_update_bits(codec, TABLA_A_CDC_RX1_B6_CTL,
+				    0x02, gain_offset.half_db_gain);
+		tabla_compander_gain_offset(codec, enable,
+				TABLA_A_RX_HPH_R_GAIN,
+				TABLA_A_CDC_RX2_VOL_CTL_B2_CTL,
+				mask, event, &gain_offset, 1);
 		snd_soc_update_bits(codec, TABLA_A_RX_HPH_R_GAIN, mask, value);
-		gain = snd_soc_read(codec, TABLA_A_CDC_RX2_VOL_CTL_B2_CTL);
 		snd_soc_update_bits(codec, TABLA_A_CDC_RX2_VOL_CTL_B2_CTL,
-				0xFF, gain - gain_offset);
+				    0xFF, gain_offset.whole_db_gain);
+		snd_soc_update_bits(codec, TABLA_A_CDC_RX2_B6_CTL,
+				    0x02, gain_offset.half_db_gain);
 	} else if (compander == COMPANDER_2) {
-		gain_offset = tabla_compander_gain_offset(codec, enable,
-				TABLA_A_RX_LINE_1_GAIN, mask, event, compander);
+		tabla_compander_gain_offset(codec, enable,
+				TABLA_A_RX_LINE_1_GAIN,
+				TABLA_A_CDC_RX3_VOL_CTL_B2_CTL,
+				mask, event, &gain_offset, 2);
 		snd_soc_update_bits(codec, TABLA_A_RX_LINE_1_GAIN, mask, value);
-		gain = snd_soc_read(codec, TABLA_A_CDC_RX3_VOL_CTL_B2_CTL);
 		snd_soc_update_bits(codec, TABLA_A_CDC_RX3_VOL_CTL_B2_CTL,
-				0xFF, gain - gain_offset);
-		gain_offset = tabla_compander_gain_offset(codec, enable,
-				TABLA_A_RX_LINE_3_GAIN, mask, event, compander);
+				    0xFF, gain_offset.whole_db_gain);
+		snd_soc_update_bits(codec, TABLA_A_CDC_RX3_B6_CTL,
+				    0x02, gain_offset.half_db_gain);
+		tabla_compander_gain_offset(codec, enable,
+				TABLA_A_RX_LINE_3_GAIN,
+				TABLA_A_CDC_RX4_VOL_CTL_B2_CTL,
+				mask, event, &gain_offset, 3);
 		snd_soc_update_bits(codec, TABLA_A_RX_LINE_3_GAIN, mask, value);
-		gain = snd_soc_read(codec, TABLA_A_CDC_RX4_VOL_CTL_B2_CTL);
 		snd_soc_update_bits(codec, TABLA_A_CDC_RX4_VOL_CTL_B2_CTL,
-				0xFF, gain - gain_offset);
-		gain_offset = tabla_compander_gain_offset(codec, enable,
-				TABLA_A_RX_LINE_2_GAIN, mask, event, compander);
+				    0xFF, gain_offset.whole_db_gain);
+		snd_soc_update_bits(codec, TABLA_A_CDC_RX4_B6_CTL,
+				    0x02, gain_offset.half_db_gain);
+		tabla_compander_gain_offset(codec, enable,
+				TABLA_A_RX_LINE_2_GAIN,
+				TABLA_A_CDC_RX5_VOL_CTL_B2_CTL,
+				mask, event, &gain_offset, 4);
 		snd_soc_update_bits(codec, TABLA_A_RX_LINE_2_GAIN, mask, value);
-		gain = snd_soc_read(codec, TABLA_A_CDC_RX5_VOL_CTL_B2_CTL);
 		snd_soc_update_bits(codec, TABLA_A_CDC_RX5_VOL_CTL_B2_CTL,
-				0xFF, gain - gain_offset);
-		gain_offset = tabla_compander_gain_offset(codec, enable,
-				TABLA_A_RX_LINE_4_GAIN, mask, event, compander);
+				    0xFF, gain_offset.whole_db_gain);
+		snd_soc_update_bits(codec, TABLA_A_CDC_RX5_B6_CTL,
+				    0x02, gain_offset.half_db_gain);
+		tabla_compander_gain_offset(codec, enable,
+				TABLA_A_RX_LINE_4_GAIN,
+				TABLA_A_CDC_RX6_VOL_CTL_B2_CTL,
+				mask, event, &gain_offset, 5);
 		snd_soc_update_bits(codec, TABLA_A_RX_LINE_4_GAIN, mask, value);
-		gain = snd_soc_read(codec, TABLA_A_CDC_RX6_VOL_CTL_B2_CTL);
 		snd_soc_update_bits(codec, TABLA_A_CDC_RX6_VOL_CTL_B2_CTL,
-				0xFF, gain - gain_offset);
+				    0xFF, gain_offset.whole_db_gain);
+		snd_soc_update_bits(codec, TABLA_A_CDC_RX6_B6_CTL,
+				    0x02, gain_offset.half_db_gain);
 	}
 	return 0;
 }
@@ -921,7 +982,6 @@
 	return 0;
 }
 
-
 static int tabla_config_compander(struct snd_soc_dapm_widget *w,
 						  struct snd_kcontrol *kcontrol,
 						  int event)
@@ -929,106 +989,161 @@
 	struct snd_soc_codec *codec = w->codec;
 	struct tabla_priv *tabla = snd_soc_codec_get_drvdata(codec);
 	u32 rate = tabla->comp_fs[w->shift];
-	u32 status;
-	unsigned long timeout;
-	pr_debug("%s: compander #%d enable %d event %d\n",
+
+	pr_debug("%s: compander #%d enable %d event %d widget name %s\n",
 		 __func__, w->shift + 1,
-		 tabla->comp_enabled[w->shift], event);
+		 tabla->comp_enabled[w->shift], event , w->name);
+	if (tabla->comp_enabled[w->shift] == 0)
+		goto rtn;
+	if ((w->shift == COMPANDER_1) && (tabla->anc_func)) {
+		pr_debug("%s: ANC is enabled so compander #%d cannot be enabled\n",
+			 __func__, w->shift + 1);
+		goto rtn;
+	}
 	switch (event) {
 	case SND_SOC_DAPM_PRE_PMU:
-		if (tabla->comp_enabled[w->shift] != 0) {
-			/* Enable both L/R compander clocks */
-			snd_soc_update_bits(codec,
-					TABLA_A_CDC_CLK_RX_B2_CTL,
-					1 << comp_shift[w->shift],
-					1 << comp_shift[w->shift]);
-			/* Clear the HALT for the compander*/
-			snd_soc_update_bits(codec,
-					TABLA_A_CDC_COMP1_B1_CTL +
-					w->shift * 8, 1 << 2, 0);
-			/* Toggle compander reset bits*/
-			snd_soc_update_bits(codec,
-					TABLA_A_CDC_CLK_OTHR_RESET_CTL,
-					1 << comp_shift[w->shift],
-					1 << comp_shift[w->shift]);
-			snd_soc_update_bits(codec,
-					TABLA_A_CDC_CLK_OTHR_RESET_CTL,
-					1 << comp_shift[w->shift], 0);
-			tabla_config_gain_compander(codec, w->shift, 1, event);
-			/* Compander enable -> 0x370/0x378*/
-			snd_soc_update_bits(codec, TABLA_A_CDC_COMP1_B1_CTL +
-					    w->shift * 8, 0x03, 0x03);
-			/* Update the RMS meter resampling*/
-			snd_soc_update_bits(codec,
-					TABLA_A_CDC_COMP1_B3_CTL +
-					w->shift * 8, 0xFF, 0x01);
-			snd_soc_update_bits(codec,
-					    TABLA_A_CDC_COMP1_B2_CTL +
-					    w->shift * 8, 0xF0, 0x50);
-			/* Wait for 1ms*/
-			usleep_range(5000, 5000);
-		}
+		/* Update compander sample rate */
+		snd_soc_update_bits(codec, TABLA_A_CDC_COMP1_FS_CFG +
+				    w->shift * 8, 0x07, rate);
+		/* Enable both L/R compander clocks */
+		snd_soc_update_bits(codec,
+				    TABLA_A_CDC_CLK_RX_B2_CTL,
+				    1 << comp_shift[w->shift],
+				    1 << comp_shift[w->shift]);
+		/* Toggle compander reset bits */
+		snd_soc_update_bits(codec,
+				    TABLA_A_CDC_CLK_OTHR_RESET_CTL,
+				    1 << comp_shift[w->shift],
+				    1 << comp_shift[w->shift]);
+		snd_soc_update_bits(codec,
+				    TABLA_A_CDC_CLK_OTHR_RESET_CTL,
+				    1 << comp_shift[w->shift], 0);
+		tabla_config_gain_compander(codec, w->shift, 1, event);
+		/* Compander enable -> 0x370/0x378 */
+		snd_soc_update_bits(codec, TABLA_A_CDC_COMP1_B1_CTL +
+				    w->shift * 8, 0x03, 0x03);
+		/* Update the RMS meter resampling */
+		snd_soc_update_bits(codec,
+				    TABLA_A_CDC_COMP1_B3_CTL +
+				    w->shift * 8, 0xFF, 0x01);
+		snd_soc_update_bits(codec,
+				    TABLA_A_CDC_COMP1_B2_CTL +
+				    w->shift * 8, 0xF0, 0x50);
+		usleep_range(COMP_BRINGUP_WAIT_TIME, COMP_BRINGUP_WAIT_TIME);
 		break;
 	case SND_SOC_DAPM_POST_PMU:
-		/* Set sample rate dependent paramater*/
-		if (tabla->comp_enabled[w->shift] != 0) {
-			snd_soc_update_bits(codec, TABLA_A_CDC_COMP1_FS_CFG +
-			w->shift * 8, 0x07,	rate);
-			snd_soc_update_bits(codec, TABLA_A_CDC_COMP1_B2_CTL +
-			w->shift * 8, 0x0F,
-			comp_samp_params[rate].peak_det_timeout);
-			snd_soc_update_bits(codec, TABLA_A_CDC_COMP1_B2_CTL +
-			w->shift * 8, 0xF0,
-			comp_samp_params[rate].rms_meter_div_fact);
-			snd_soc_update_bits(codec, TABLA_A_CDC_COMP1_B3_CTL +
-			w->shift * 8, 0xFF,
-			comp_samp_params[rate].rms_meter_resamp_fact);
-			snd_soc_update_bits(codec, TABLA_A_CDC_COMP1_B1_CTL +
-			w->shift * 8, 0x38,
-			comp_samp_params[rate].shutdown_timeout);
+		/* Set sample rate dependent paramater */
+		if (w->shift == COMPANDER_1) {
+			snd_soc_update_bits(codec,
+					    TABLA_A_CDC_CLSG_CTL,
+					    0x11, 0x00);
+			snd_soc_write(codec,
+				      TABLA_A_CDC_CONN_CLSG_CTL, 0x11);
 		}
+		snd_soc_update_bits(codec, TABLA_A_CDC_COMP1_B2_CTL +
+				    w->shift * 8, 0x0F,
+				    comp_samp_params[rate].peak_det_timeout);
+		snd_soc_update_bits(codec, TABLA_A_CDC_COMP1_B2_CTL +
+				    w->shift * 8, 0xF0,
+				    comp_samp_params[rate].rms_meter_div_fact);
+		snd_soc_update_bits(codec, TABLA_A_CDC_COMP1_B3_CTL +
+				w->shift * 8, 0xFF,
+				comp_samp_params[rate].rms_meter_resamp_fact);
+		snd_soc_update_bits(codec, TABLA_A_CDC_COMP1_B1_CTL +
+				    w->shift * 8, 0x38,
+				    comp_samp_params[rate].shutdown_timeout);
 		break;
 	case SND_SOC_DAPM_PRE_PMD:
-		if (tabla->comp_enabled[w->shift] != 0) {
-			status = snd_soc_read(codec,
-					TABLA_A_CDC_COMP1_SHUT_DOWN_STATUS +
-					w->shift * 8);
-			pr_debug("%s: compander #%d shutdown status %d in event %d\n",
-				 __func__, w->shift + 1, status, event);
-			/* Halt the compander*/
-			snd_soc_update_bits(codec, TABLA_A_CDC_COMP1_B1_CTL +
-					    w->shift * 8, 1 << 2, 1 << 2);
-		}
 		break;
 	case SND_SOC_DAPM_POST_PMD:
-		if (tabla->comp_enabled[w->shift] != 0) {
-			/* Wait up to a second for shutdown complete */
-			timeout = jiffies + HZ;
-			do {
-				status = snd_soc_read(codec,
-					TABLA_A_CDC_COMP1_SHUT_DOWN_STATUS +
-					w->shift * 8);
-				if (status == 0x3)
-					break;
-				usleep_range(5000, 5000);
-			} while (!(time_after(jiffies, timeout)));
-			/* Restore the gain */
-			tabla_config_gain_compander(codec, w->shift,
-						tabla->comp_enabled[w->shift],
-						event);
-			/* Disable the compander*/
-			snd_soc_update_bits(codec, TABLA_A_CDC_COMP1_B1_CTL +
-					    w->shift * 8, 0x03, 0x00);
-			/* Turn off the clock for compander in pair*/
-			snd_soc_update_bits(codec, TABLA_A_CDC_CLK_RX_B2_CTL,
-					    0x03 << comp_shift[w->shift], 0);
-			/* Clear the HALT for the compander*/
+		/* Disable the compander */
+		snd_soc_update_bits(codec, TABLA_A_CDC_COMP1_B1_CTL +
+				    w->shift * 8, 0x03, 0x00);
+		/* Toggle compander reset bits */
+		snd_soc_update_bits(codec,
+				    TABLA_A_CDC_CLK_OTHR_RESET_CTL,
+				    1 << comp_shift[w->shift],
+				    1 << comp_shift[w->shift]);
+		snd_soc_update_bits(codec,
+				    TABLA_A_CDC_CLK_OTHR_RESET_CTL,
+				    1 << comp_shift[w->shift], 0);
+		/* Turn off the clock for compander in pair */
+		snd_soc_update_bits(codec, TABLA_A_CDC_CLK_RX_B2_CTL,
+				    0x03 << comp_shift[w->shift], 0);
+		/* Restore the gain */
+		tabla_config_gain_compander(codec, w->shift,
+					    tabla->comp_enabled[w->shift],
+					    event);
+		if (w->shift == COMPANDER_1) {
 			snd_soc_update_bits(codec,
-					    TABLA_A_CDC_COMP1_B1_CTL +
-					    w->shift * 8, 1 << 2, 0);
+					    TABLA_A_CDC_CLSG_CTL,
+					    0x11, 0x11);
+			snd_soc_write(codec,
+				      TABLA_A_CDC_CONN_CLSG_CTL, 0x14);
 		}
 		break;
 	}
+rtn:
+	return 0;
+}
+
+static int tabla_codec_hphr_dem_input_selection(struct snd_soc_dapm_widget *w,
+						struct snd_kcontrol *kcontrol,
+						int event)
+{
+	struct snd_soc_codec *codec = w->codec;
+	struct tabla_priv *tabla = snd_soc_codec_get_drvdata(codec);
+
+	pr_debug("%s: compander#1->enable(%d) reg(0x%x = 0x%x) event(%d)\n",
+		__func__, tabla->comp_enabled[COMPANDER_1],
+		TABLA_A_CDC_RX1_B6_CTL,
+		snd_soc_read(codec, TABLA_A_CDC_RX1_B6_CTL), event);
+	switch (event) {
+	case SND_SOC_DAPM_POST_PMU:
+		if (tabla->comp_enabled[COMPANDER_1] && !tabla->anc_func)
+			snd_soc_update_bits(codec, TABLA_A_CDC_RX1_B6_CTL,
+					    1 << w->shift, 0);
+		else
+			snd_soc_update_bits(codec, TABLA_A_CDC_RX1_B6_CTL,
+					    1 << w->shift, 1 << w->shift);
+		break;
+	case SND_SOC_DAPM_POST_PMD:
+		snd_soc_update_bits(codec, TABLA_A_CDC_RX1_B6_CTL,
+				    1 << w->shift, 0);
+		break;
+	default:
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static int tabla_codec_hphl_dem_input_selection(struct snd_soc_dapm_widget *w,
+						struct snd_kcontrol *kcontrol,
+						int event)
+{
+	struct snd_soc_codec *codec = w->codec;
+	struct tabla_priv *tabla = snd_soc_codec_get_drvdata(codec);
+
+	pr_debug("%s: compander#1->enable(%d) reg(0x%x = 0x%x) event(%d)\n",
+		__func__, tabla->comp_enabled[COMPANDER_1],
+		TABLA_A_CDC_RX2_B6_CTL,
+		snd_soc_read(codec, TABLA_A_CDC_RX2_B6_CTL), event);
+	switch (event) {
+	case SND_SOC_DAPM_POST_PMU:
+		if (tabla->comp_enabled[COMPANDER_1] && !tabla->anc_func)
+			snd_soc_update_bits(codec, TABLA_A_CDC_RX2_B6_CTL,
+					    1 << w->shift, 0);
+		else
+			snd_soc_update_bits(codec, TABLA_A_CDC_RX2_B6_CTL,
+					    1 << w->shift, 1 << w->shift);
+		break;
+	case SND_SOC_DAPM_POST_PMD:
+		snd_soc_update_bits(codec, TABLA_A_CDC_RX2_B6_CTL,
+				    1 << w->shift, 0);
+		break;
+	default:
+		return -EINVAL;
+	}
 	return 0;
 }
 
@@ -5361,8 +5476,12 @@
 		&rx6_dsm_mux, tabla_codec_reset_interpolator,
 		SND_SOC_DAPM_PRE_PMU),
 
-	SND_SOC_DAPM_MIXER("RX1 CHAIN", TABLA_A_CDC_RX1_B6_CTL, 5, 0, NULL, 0),
-	SND_SOC_DAPM_MIXER("RX2 CHAIN", TABLA_A_CDC_RX2_B6_CTL, 5, 0, NULL, 0),
+	SND_SOC_DAPM_MIXER_E("RX1 CHAIN", SND_SOC_NOPM, 5, 0, NULL,
+		0, tabla_codec_hphr_dem_input_selection,
+		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_POST_PMD),
+	SND_SOC_DAPM_MIXER_E("RX2 CHAIN", SND_SOC_NOPM, 5, 0, NULL,
+		0, tabla_codec_hphl_dem_input_selection,
+		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_POST_PMD),
 
 	SND_SOC_DAPM_MUX("RX1 MIX1 INP1", SND_SOC_NOPM, 0, 0,
 		&rx_mix1_inp1_mux),
diff --git a/sound/soc/codecs/wcd9320.c b/sound/soc/codecs/wcd9320.c
index 7ba43c0..43a1042 100644
--- a/sound/soc/codecs/wcd9320.c
+++ b/sound/soc/codecs/wcd9320.c
@@ -5841,28 +5841,39 @@
 				taiko_codec_reg_init_val[i].val);
 }
 
-static int taiko_setup_irqs(struct taiko_priv *taiko)
+static void taiko_slim_interface_init_reg(struct snd_soc_codec *codec)
 {
 	int i;
-	int ret = 0;
-	struct snd_soc_codec *codec = taiko->codec;
-
-	ret = wcd9xxx_request_irq(codec->control_data, WCD9XXX_IRQ_SLIMBUS,
-				  taiko_slimbus_irq, "SLIMBUS Slave", taiko);
-	if (ret) {
-		pr_err("%s: Failed to request irq %d\n", __func__,
-		       WCD9XXX_IRQ_SLIMBUS);
-		goto exit;
-	}
 
 	for (i = 0; i < WCD9XXX_SLIM_NUM_PORT_REG; i++)
 		wcd9xxx_interface_reg_write(codec->control_data,
 					    TAIKO_SLIM_PGD_PORT_INT_EN0 + i,
 					    0xFF);
-exit:
+}
+
+static int taiko_setup_irqs(struct taiko_priv *taiko)
+{
+	int ret = 0;
+	struct snd_soc_codec *codec = taiko->codec;
+
+	ret = wcd9xxx_request_irq(codec->control_data, WCD9XXX_IRQ_SLIMBUS,
+				  taiko_slimbus_irq, "SLIMBUS Slave", taiko);
+	if (ret)
+		pr_err("%s: Failed to request irq %d\n", __func__,
+		       WCD9XXX_IRQ_SLIMBUS);
+	else
+		taiko_slim_interface_init_reg(codec);
+
 	return ret;
 }
 
+static void taiko_cleanup_irqs(struct taiko_priv *taiko)
+{
+	struct snd_soc_codec *codec = taiko->codec;
+
+	wcd9xxx_free_irq(codec->control_data, WCD9XXX_IRQ_SLIMBUS, taiko);
+}
+
 int taiko_hs_detect(struct snd_soc_codec *codec,
 		    struct wcd9xxx_mbhc_config *mbhc_cfg)
 {
@@ -5921,6 +5932,7 @@
 		pr_err("%s: bad pdata\n", __func__);
 
 	taiko_init_slim_slave_cfg(codec);
+	taiko_slim_interface_init_reg(codec);
 
 	wcd9xxx_mbhc_deinit(&taiko->mbhc);
 	ret = wcd9xxx_mbhc_init(&taiko->mbhc, &taiko->resmgr, codec,
@@ -6063,10 +6075,8 @@
 			tx_hpf_corner_freq_callback);
 	}
 
-
 	snd_soc_codec_set_drvdata(codec, taiko);
 
-
 	/* codec resmgr module init */
 	wcd9xxx = codec->control_data;
 	pdata = dev_get_platdata(codec->dev->parent);
@@ -6074,7 +6084,7 @@
 				  &taiko_reg_address);
 	if (ret) {
 		pr_err("%s: wcd9xxx init failed %d\n", __func__, ret);
-		return ret;
+		goto err_init;
 	}
 
 	taiko->clsh_d.buck_mv = taiko_codec_get_buck_mv(codec);
@@ -6085,7 +6095,7 @@
 				WCD9XXX_MBHC_VERSION_TAIKO);
 	if (ret) {
 		pr_err("%s: mbhc init failed %d\n", __func__, ret);
-		return ret;
+		goto err_init;
 	}
 
 	taiko->codec = codec;
@@ -6179,7 +6189,11 @@
 
 	snd_soc_dapm_sync(dapm);
 
-	(void) taiko_setup_irqs(taiko);
+	ret = taiko_setup_irqs(taiko);
+	if (ret) {
+		pr_err("%s: taiko irq setup failed %d\n", __func__, ret);
+		goto err_irq;
+	}
 
 	atomic_set(&kp_taiko_priv, (unsigned long)taiko);
 	mutex_lock(&dapm->codec->mutex);
@@ -6194,10 +6208,13 @@
 	codec->ignore_pmdown_time = 1;
 	return ret;
 
+err_irq:
+	taiko_cleanup_irqs(taiko);
 err_pdata:
 	kfree(ptr);
 err_nomem_slimch:
 	kfree(taiko);
+err_init:
 	return ret;
 }
 static int taiko_codec_remove(struct snd_soc_codec *codec)
@@ -6212,6 +6229,8 @@
 					   WCD9XXX_BANDGAP_AUDIO_MODE);
 	WCD9XXX_BCL_UNLOCK(&taiko->resmgr);
 
+	taiko_cleanup_irqs(taiko);
+
 	/* cleanup MBHC */
 	wcd9xxx_mbhc_deinit(&taiko->mbhc);
 	/* cleanup resmgr */
diff --git a/sound/soc/codecs/wcd9xxx-mbhc.c b/sound/soc/codecs/wcd9xxx-mbhc.c
index 1d01d2e..daba6d5 100644
--- a/sound/soc/codecs/wcd9xxx-mbhc.c
+++ b/sound/soc/codecs/wcd9xxx-mbhc.c
@@ -3534,7 +3534,6 @@
 {
 	void *cdata = mbhc->codec->control_data;
 
-	wcd9xxx_free_irq(cdata, WCD9XXX_IRQ_SLIMBUS, mbhc);
 	wcd9xxx_free_irq(cdata, WCD9XXX_IRQ_MBHC_RELEASE, mbhc);
 	wcd9xxx_free_irq(cdata, WCD9XXX_IRQ_MBHC_POTENTIAL, mbhc);
 	wcd9xxx_free_irq(cdata, WCD9XXX_IRQ_MBHC_REMOVAL, mbhc);
@@ -3543,7 +3542,6 @@
 	wcd9xxx_free_irq(cdata, WCD9XXX_IRQ_MBHC_JACK_SWITCH, mbhc);
 	wcd9xxx_free_irq(cdata, WCD9XXX_IRQ_HPH_PA_OCPL_FAULT, mbhc);
 	wcd9xxx_free_irq(cdata, WCD9XXX_IRQ_HPH_PA_OCPR_FAULT, mbhc);
-	wcd9xxx_free_irq(cdata, WCD9XXX_IRQ_MBHC_RELEASE, mbhc);
 
 	if (mbhc->mbhc_fw)
 		release_firmware(mbhc->mbhc_fw);
diff --git a/sound/soc/msm/msm8974.c b/sound/soc/msm/msm8974.c
index 778dc10..76d6b57 100644
--- a/sound/soc/msm/msm8974.c
+++ b/sound/soc/msm/msm8974.c
@@ -75,6 +75,11 @@
 #define EXT_CLASS_D_DIS_DELAY 3000
 #define EXT_CLASS_D_DELAY_DELTA 2000
 
+/* It takes about 13ms for Class-AB PAs to ramp-up */
+#define EXT_CLASS_AB_EN_DELAY 10000
+#define EXT_CLASS_AB_DIS_DELAY 1000
+#define EXT_CLASS_AB_DELAY_DELTA 1000
+
 #define NUM_OF_AUXPCM_GPIOS 4
 
 static inline int param_is_mask(int p)
@@ -184,6 +189,7 @@
 static struct platform_device *spdev;
 static struct regulator *ext_spk_amp_regulator;
 static int ext_spk_amp_gpio = -1;
+static int ext_ult_spk_amp_gpio = -1;
 static int msm8974_spk_control = 1;
 static int msm8974_ext_spk_pamp;
 static int msm_slim_0_rx_ch = 1;
@@ -231,9 +237,43 @@
 		}
 	}
 
+	ext_ult_spk_amp_gpio = of_get_named_gpio(spdev->dev.of_node,
+		"qcom,ext-ult-spk-amp-gpio", 0);
+
+	if (ext_ult_spk_amp_gpio >= 0) {
+		ret = gpio_request(ext_ult_spk_amp_gpio,
+						   "ext_ult_spk_amp_gpio");
+		if (ret) {
+			pr_err("%s: gpio_request failed for ext-ult_spk-amp-gpio.\n",
+				__func__);
+			return -EINVAL;
+		}
+		gpio_direction_output(ext_ult_spk_amp_gpio, 0);
+	}
+
 	return 0;
 }
 
+static void msm8974_liquid_ext_ult_spk_power_amp_enable(u32 on)
+{
+	if (on) {
+		regulator_enable(ext_spk_amp_regulator);
+		gpio_direction_output(ext_ult_spk_amp_gpio, 1);
+		/* time takes enable the external power class AB amplifier */
+		usleep_range(EXT_CLASS_AB_EN_DELAY,
+			     EXT_CLASS_AB_EN_DELAY + EXT_CLASS_AB_DELAY_DELTA);
+	} else {
+		gpio_direction_output(ext_ult_spk_amp_gpio, 0);
+		regulator_disable(ext_spk_amp_regulator);
+		/* time takes disable the external power class AB amplifier */
+		usleep_range(EXT_CLASS_AB_DIS_DELAY,
+			     EXT_CLASS_AB_DIS_DELAY + EXT_CLASS_AB_DELAY_DELTA);
+	}
+
+	pr_debug("%s: %s external ultrasound SPKR_DRV PAs.\n", __func__,
+			on ? "Enable" : "Disable");
+}
+
 static void msm8974_liquid_ext_spk_power_amp_enable(u32 on)
 {
 	if (on) {
@@ -287,7 +327,6 @@
 
 }
 
-
 static irqreturn_t msm8974_liquid_docking_irq_handler(int irq, void *dev)
 {
 	struct msm8974_liquid_dock_dev *dock_dev = dev;
@@ -495,6 +534,33 @@
 
 }
 
+static int msm_ext_spkramp_ultrasound_event(struct snd_soc_dapm_widget *w,
+			     struct snd_kcontrol *k, int event)
+{
+
+	pr_debug("%s()\n", __func__);
+
+	if (!strncmp(w->name, "SPK_ultrasound amp", 19)) {
+		if (!gpio_is_valid(ext_ult_spk_amp_gpio)) {
+			pr_err("%s: ext_ult_spk_amp_gpio isn't configured\n",
+				__func__);
+			return -EINVAL;
+		}
+
+		if (SND_SOC_DAPM_EVENT_ON(event))
+			msm8974_liquid_ext_ult_spk_power_amp_enable(1);
+		else
+			msm8974_liquid_ext_ult_spk_power_amp_enable(0);
+
+	} else {
+			pr_err("%s() Invalid Speaker Widget = %s\n",
+					__func__, w->name);
+			return -EINVAL;
+	}
+
+	return 0;
+}
+
 static int msm_snd_enable_codec_ext_clk(struct snd_soc_codec *codec, int enable,
 					bool dapm)
 {
@@ -567,6 +633,8 @@
 
 	SND_SOC_DAPM_SPK("Lineout_2 amp", msm_ext_spkramp_event),
 	SND_SOC_DAPM_SPK("Lineout_4 amp", msm_ext_spkramp_event),
+	SND_SOC_DAPM_SPK("SPK_ultrasound amp",
+					 msm_ext_spkramp_ultrasound_event),
 
 	SND_SOC_DAPM_MIC("Handset Mic", NULL),
 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
@@ -2271,6 +2339,7 @@
 	struct snd_soc_card *card = &snd_soc_card_msm8974;
 	struct msm8974_asoc_mach_data *pdata;
 	int ret;
+	const char *auxpcm_pri_gpio_set = NULL;
 
 	if (!pdev->dev.of_node) {
 		dev_err(&pdev->dev, "No platform supplied from device tree\n");
@@ -2396,7 +2465,24 @@
 		goto err;
 	}
 
-	lpaif_pri_muxsel_virt_addr = ioremap(LPAIF_PRI_MODE_MUXSEL, 4);
+	ret = of_property_read_string(pdev->dev.of_node,
+			"qcom,prim-auxpcm-gpio-set", &auxpcm_pri_gpio_set);
+	if (ret) {
+		dev_err(&pdev->dev, "Looking up %s property in node %s failed",
+			"qcom,prim-auxpcm-gpio-set",
+			pdev->dev.of_node->full_name);
+		goto err;
+	}
+	if (!strcmp(auxpcm_pri_gpio_set, "prim-gpio-prim")) {
+		lpaif_pri_muxsel_virt_addr = ioremap(LPAIF_PRI_MODE_MUXSEL, 4);
+	} else if (!strcmp(auxpcm_pri_gpio_set, "prim-gpio-tert")) {
+		lpaif_pri_muxsel_virt_addr = ioremap(LPAIF_TER_MODE_MUXSEL, 4);
+	} else {
+		dev_err(&pdev->dev, "Invalid value %s for AUXPCM GPIO set\n",
+			auxpcm_pri_gpio_set);
+		ret = -EINVAL;
+		goto err;
+	}
 	if (lpaif_pri_muxsel_virt_addr == NULL) {
 		pr_err("%s Pri muxsel virt addr is null\n", __func__);
 		ret = -EINVAL;
@@ -2434,9 +2520,12 @@
 	if (ext_spk_amp_regulator)
 		regulator_put(ext_spk_amp_regulator);
 
+	if (gpio_is_valid(ext_ult_spk_amp_gpio))
+		gpio_free(ext_ult_spk_amp_gpio);
+
 	gpio_free(pdata->mclk_gpio);
 	gpio_free(pdata->us_euro_gpio);
-	if (ext_spk_amp_gpio >= 0)
+	if (gpio_is_valid(ext_spk_amp_gpio))
 		gpio_free(ext_spk_amp_gpio);
 
 	if (msm8974_liquid_dock_dev != NULL) {
diff --git a/sound/soc/msm/qdsp6v2/audio_ocmem.c b/sound/soc/msm/qdsp6v2/audio_ocmem.c
index ad96ae3..08d7277 100644
--- a/sound/soc/msm/qdsp6v2/audio_ocmem.c
+++ b/sound/soc/msm/qdsp6v2/audio_ocmem.c
@@ -125,7 +125,7 @@
 	atomic_t  audio_cond;
 	atomic_t  audio_exit;
 	spinlock_t audio_lock;
-	struct mutex protect_lock;
+	struct mutex state_process_lock;
 	struct workqueue_struct *audio_ocmem_workqueue;
 	struct workqueue_struct *voice_ocmem_workqueue;
 	bool ocmem_en;
@@ -252,6 +252,7 @@
 		if (ret != 0) {
 			pr_err("%s: get low power segments from DSP failed, rc=%d\n",
 					__func__, ret);
+			mutex_unlock(&audio_ocmem_lcl.state_process_lock);
 			goto fail_cmd;
 		}
 	}
@@ -273,7 +274,9 @@
 	buf = ocmem_allocate_nb(cid, AUDIO_OCMEM_BUF_SIZE);
 	if (IS_ERR_OR_NULL(buf)) {
 		pr_err("%s: failed: %d\n", __func__, cid);
-		return -ENOMEM;
+		ret = -ENOMEM;
+		mutex_unlock(&audio_ocmem_lcl.state_process_lock);
+		goto fail_cmd;
 	}
 
 	set_bit_pos(audio_ocmem_lcl.audio_state, OCMEM_STATE_ALLOC);
@@ -285,7 +288,7 @@
 	if (!buf->len) {
 		pr_debug("%s: buf.len is 0, waiting for ocmem region\n",
 								__func__);
-		mutex_unlock(&audio_ocmem_lcl.protect_lock);
+		mutex_unlock(&audio_ocmem_lcl.state_process_lock);
 		wait_event_interruptible(audio_ocmem_lcl.audio_wait,
 			(atomic_read(&audio_ocmem_lcl.audio_cond) == 0)	||
 			(atomic_read(&audio_ocmem_lcl.audio_exit) == 1));
@@ -302,7 +305,7 @@
 			goto fail_cmd;
 		}
 		clear_bit_pos(audio_ocmem_lcl.audio_state, OCMEM_STATE_GROW);
-		mutex_trylock(&audio_ocmem_lcl.protect_lock);
+		mutex_trylock(&audio_ocmem_lcl.state_process_lock);
 	}
 	pr_debug("%s: buf->len: %ld\n", __func__, (audio_ocmem_lcl.buf)->len);
 
@@ -333,7 +336,7 @@
 					_MAP_RESPONSE_BIT_MASK_) != 0);
 	atomic_set(&audio_ocmem_lcl.audio_cond, 1);
 
-	mutex_unlock(&audio_ocmem_lcl.protect_lock);
+	mutex_unlock(&audio_ocmem_lcl.state_process_lock);
 	pr_debug("%s: audio_cond[%d] audio_state[0x%x]\n", __func__,
 				atomic_read(&audio_ocmem_lcl.audio_cond),
 				atomic_read(&audio_ocmem_lcl.audio_state));
@@ -344,7 +347,7 @@
 		wait_event_interruptible(audio_ocmem_lcl.audio_wait,
 				(atomic_read(&audio_ocmem_lcl.audio_state) &
 						_BIT_MASK_) != 0);
-
+		mutex_lock(&audio_ocmem_lcl.state_process_lock);
 		state_bit = get_state_to_process(&audio_ocmem_lcl.audio_state);
 		switch (state_bit) {
 		case OCMEM_STATE_MAP_COMPL:
@@ -502,6 +505,7 @@
 				atomic_read(&audio_ocmem_lcl.audio_state));
 			break;
 		}
+		mutex_unlock(&audio_ocmem_lcl.state_process_lock);
 	}
 	ret = 0;
 fail_cmd:
@@ -531,7 +535,7 @@
 
 	wake_up(&audio_ocmem_lcl.audio_wait);
 
-	mutex_unlock(&audio_ocmem_lcl.protect_lock);
+	mutex_unlock(&audio_ocmem_lcl.state_process_lock);
 	pr_debug("%s: exit\n", __func__);
 	return 0;
 }
@@ -654,7 +658,7 @@
 			container_of(work, struct audio_ocmem_workdata, work);
 
 	en = audio_ocm_work->en;
-	mutex_lock(&audio_ocmem_lcl.protect_lock);
+	mutex_lock(&audio_ocmem_lcl.state_process_lock);
 	/* if previous work waiting for ocmem - signal it to exit */
 	atomic_set(&audio_ocmem_lcl.audio_exit, 1);
 	pr_debug("%s: acquired mutex for %d\n", __func__, en);
@@ -889,7 +893,7 @@
 	atomic_set(&audio_ocmem_lcl.audio_state, OCMEM_STATE_DEFAULT);
 	atomic_set(&audio_ocmem_lcl.audio_exit, 0);
 	spin_lock_init(&audio_ocmem_lcl.audio_lock);
-	mutex_init(&audio_ocmem_lcl.protect_lock);
+	mutex_init(&audio_ocmem_lcl.state_process_lock);
 	audio_ocmem_lcl.ocmem_en = true;
 	audio_ocmem_lcl.audio_ocmem_running = false;
 
diff --git a/sound/soc/msm/qdsp6v2/msm-dai-q6-v2.c b/sound/soc/msm/qdsp6v2/msm-dai-q6-v2.c
index 8bb3eaf..7d9cc16 100644
--- a/sound/soc/msm/qdsp6v2/msm-dai-q6-v2.c
+++ b/sound/soc/msm/qdsp6v2/msm-dai-q6-v2.c
@@ -190,8 +190,8 @@
 
 	if (dai->id == AFE_PORT_ID_PRIMARY_PCM_RX
 			|| dai->id == AFE_PORT_ID_PRIMARY_PCM_TX) {
-		rx_port = PCM_RX;
-		tx_port = PCM_TX;
+		rx_port = AFE_PORT_ID_PRIMARY_PCM_RX;
+		tx_port = AFE_PORT_ID_PRIMARY_PCM_TX;
 	} else if (dai->id == AFE_PORT_ID_SECONDARY_PCM_RX
 			|| dai->id == AFE_PORT_ID_SECONDARY_PCM_TX) {
 		rx_port = AFE_PORT_ID_SECONDARY_PCM_RX;
@@ -295,8 +295,8 @@
 
 	if (dai->id == AFE_PORT_ID_PRIMARY_PCM_RX ||
 			dai->id == AFE_PORT_ID_PRIMARY_PCM_TX) {
-		rx_port = PCM_RX;
-		tx_port = PCM_TX;
+		rx_port = AFE_PORT_ID_PRIMARY_PCM_RX;
+		tx_port = AFE_PORT_ID_PRIMARY_PCM_TX;
 	} else if (dai->id == AFE_PORT_ID_SECONDARY_PCM_RX ||
 			dai->id == AFE_PORT_ID_SECONDARY_PCM_TX) {
 		rx_port = AFE_PORT_ID_SECONDARY_PCM_RX;
@@ -420,8 +420,8 @@
 
 	if (dai->id == AFE_PORT_ID_PRIMARY_PCM_RX ||
 			dai->id == AFE_PORT_ID_PRIMARY_PCM_TX) {
-		rx_port = PCM_RX;
-		tx_port = PCM_TX;
+		rx_port = AFE_PORT_ID_PRIMARY_PCM_RX;
+		tx_port = AFE_PORT_ID_PRIMARY_PCM_TX;
 	} else if (dai->id == AFE_PORT_ID_SECONDARY_PCM_RX ||
 			dai->id == AFE_PORT_ID_SECONDARY_PCM_TX) {
 		rx_port = AFE_PORT_ID_SECONDARY_PCM_RX;
diff --git a/sound/soc/msm/qdsp6v2/msm-dolby-dap-config.c b/sound/soc/msm/qdsp6v2/msm-dolby-dap-config.c
index b43c3bd..e6934f6 100644
--- a/sound/soc/msm/qdsp6v2/msm-dolby-dap-config.c
+++ b/sound/soc/msm/qdsp6v2/msm-dolby-dap-config.c
@@ -305,6 +305,7 @@
 	}
 	if (idx >= NUM_DOLBY_ENDP_DEVICE) {
 		pr_err("%s: device is not set accordingly\n", __func__);
+		kfree(params_value);
 		return -EINVAL;
 	}
 	for (i = 0; i < DOLBY_ENDDEP_PARAM_LENGTH; i++) {
@@ -367,6 +368,7 @@
 						params_length);
 		if (rc) {
 			pr_err("%s: send dolby params failed\n", __func__);
+			kfree(params_value);
 			return -EINVAL;
 		}
 		for (i = 0; i < MAX_DOLBY_PARAMS; i++) {
@@ -435,7 +437,8 @@
 	if (device == DEVICE_OUT_ALL) {
 		port_id = PRIMARY_I2S_RX | SLIMBUS_0_RX | HDMI_RX |
 				INT_BT_SCO_RX | INT_FM_RX |
-				RT_PROXY_PORT_001_RX | PCM_RX |
+				RT_PROXY_PORT_001_RX |
+				AFE_PORT_ID_PRIMARY_PCM_RX |
 				MI2S_RX | SECONDARY_I2S_RX |
 				SLIMBUS_1_RX | SLIMBUS_4_RX | SLIMBUS_3_RX |
 				AFE_PORT_ID_SECONDARY_MI2S_RX;
@@ -584,7 +587,7 @@
 	if (rc) {
 		pr_err("%s: get parameters failed\n", __func__);
 		kfree(params_value);
-		rc = -EINVAL;
+		return -EINVAL;
 	}
 	update_params_value = (int *)params_value;
 	ucontrol->value.integer.value[0] = dolby_dap_params_get.device_id;
diff --git a/sound/soc/msm/qdsp6v2/msm-pcm-lpa-v2.c b/sound/soc/msm/qdsp6v2/msm-pcm-lpa-v2.c
index a163f6a..27b3f56 100644
--- a/sound/soc/msm/qdsp6v2/msm-pcm-lpa-v2.c
+++ b/sound/soc/msm/qdsp6v2/msm-pcm-lpa-v2.c
@@ -33,6 +33,7 @@
 #include <sound/compress_offload.h>
 #include <sound/compress_driver.h>
 #include <sound/timer.h>
+#include <sound/pcm_params.h>
 
 #include "msm-pcm-q6-v2.h"
 #include "msm-pcm-routing-v2.h"
@@ -55,9 +56,10 @@
 				SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME),
 	.formats =              SNDRV_PCM_FMTBIT_S16_LE |
 					SNDRV_PCM_FMTBIT_S24_LE,
-	.rates =                SNDRV_PCM_RATE_8000_48000 | SNDRV_PCM_RATE_KNOT,
+	.rates =                SNDRV_PCM_RATE_8000_192000 |
+					SNDRV_PCM_RATE_KNOT,
 	.rate_min =             8000,
-	.rate_max =             48000,
+	.rate_max =             192000,
 	.channels_min =         1,
 	.channels_max =         2,
 	.buffer_bytes_max =     1024 * 1024,
@@ -70,7 +72,8 @@
 
 /* Conventional and unconventional sample rate supported */
 static unsigned int supported_sample_rates[] = {
-	8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000
+	8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000,
+	96000, 192000
 };
 
 static struct snd_pcm_hw_constraint_list constraints_sample_rates = {
@@ -277,19 +280,7 @@
 static int msm_pcm_open(struct snd_pcm_substream *substream)
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct snd_soc_pcm_runtime *soc_prtd = substream->private_data;
 	struct msm_audio *prtd;
-	struct asm_softpause_params softpause = {
-		.enable = SOFT_PAUSE_ENABLE,
-		.period = SOFT_PAUSE_PERIOD,
-		.step = SOFT_PAUSE_STEP,
-		.rampingcurve = SOFT_PAUSE_CURVE_LINEAR,
-	};
-	struct asm_softvolume_params softvol = {
-		.period = SOFT_VOLUME_PERIOD,
-		.step = SOFT_VOLUME_STEP,
-		.rampingcurve = SOFT_VOLUME_CURVE_LINEAR,
-	};
 	int ret = 0;
 
 	pr_debug("%s\n", __func__);
@@ -307,31 +298,9 @@
 		kfree(prtd);
 		return -ENOMEM;
 	}
-	prtd->audio_client->perf_mode = false;
-	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
-		ret = q6asm_open_write(prtd->audio_client, FORMAT_LINEAR_PCM);
-		if (ret < 0) {
-			pr_err("%s: pcm out open failed\n", __func__);
-			q6asm_audio_client_free(prtd->audio_client);
-			kfree(prtd);
-			return -ENOMEM;
-		}
-		ret = q6asm_set_io_mode(prtd->audio_client, ASYNC_IO_MODE);
-		if (ret < 0) {
-			pr_err("%s: Set IO mode failed\n", __func__);
-			q6asm_audio_client_free(prtd->audio_client);
-			kfree(prtd);
-			return -ENOMEM;
-		}
-	}
 	/* Capture path */
 	if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
 		return -EPERM;
-	pr_debug("%s: session ID %d\n", __func__, prtd->audio_client->session);
-	prtd->session_id = prtd->audio_client->session;
-	msm_pcm_routing_reg_phy_stream(soc_prtd->dai_link->be_id,
-		prtd->audio_client->perf_mode,
-		prtd->session_id, substream->stream);
 
 	ret = snd_pcm_hw_constraint_list(runtime, 0,
 				SNDRV_PCM_HW_PARAM_RATE,
@@ -350,15 +319,6 @@
 	atomic_set(&lpa_audio.audio_ocmem_req, 0);
 	runtime->private_data = prtd;
 	lpa_audio.prtd = prtd;
-	lpa_set_volume(0);
-	ret = q6asm_set_softpause(lpa_audio.prtd->audio_client, &softpause);
-	if (ret < 0)
-		pr_err("%s: Send SoftPause Param failed ret=%d\n",
-			__func__, ret);
-	ret = q6asm_set_softvolume(lpa_audio.prtd->audio_client, &softvol);
-	if (ret < 0)
-		pr_err("%s: Send SoftVolume Param failed ret=%d\n",
-			__func__, ret);
 
 	return 0;
 }
@@ -407,22 +367,24 @@
 		prtd->pcm_irq_pos = 0;
 	}
 
-	dir = IN;
-	atomic_set(&prtd->pending_buffer, 0);
+	if (prtd->audio_client) {
+		dir = IN;
+		atomic_set(&prtd->pending_buffer, 0);
 
-	if (atomic_cmpxchg(&lpa_audio.audio_ocmem_req, 1, 0))
-		audio_ocmem_process_req(AUDIO, false);
-	lpa_audio.prtd = NULL;
-	q6asm_cmd(prtd->audio_client, CMD_CLOSE);
-	q6asm_audio_client_buf_free_contiguous(dir,
+		if (atomic_cmpxchg(&lpa_audio.audio_ocmem_req, 1, 0))
+			audio_ocmem_process_req(AUDIO, false);
+		lpa_audio.prtd = NULL;
+		q6asm_cmd(prtd->audio_client, CMD_CLOSE);
+		q6asm_audio_client_buf_free_contiguous(dir,
 				prtd->audio_client);
 
-	atomic_set(&prtd->stop, 1);
-	pr_debug("%s\n", __func__);
+		atomic_set(&prtd->stop, 1);
+		q6asm_audio_client_free(prtd->audio_client);
+		pr_debug("%s\n", __func__);
+	}
 	msm_pcm_routing_dereg_phy_stream(soc_prtd->dai_link->be_id,
 		SNDRV_PCM_STREAM_PLAYBACK);
 	pr_debug("%s\n", __func__);
-	q6asm_audio_client_free(prtd->audio_client);
 	kfree(prtd);
 
 	return 0;
@@ -484,9 +446,59 @@
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct msm_audio *prtd = runtime->private_data;
+	struct snd_soc_pcm_runtime *soc_prtd = substream->private_data;
 	struct snd_dma_buffer *dma_buf = &substream->dma_buffer;
 	struct audio_buffer *buf;
+	uint16_t bits_per_sample = 16;
 	int dir, ret;
+	struct asm_softpause_params softpause = {
+		.enable = SOFT_PAUSE_ENABLE,
+		.period = SOFT_PAUSE_PERIOD,
+		.step = SOFT_PAUSE_STEP,
+		.rampingcurve = SOFT_PAUSE_CURVE_LINEAR,
+	};
+	struct asm_softvolume_params softvol = {
+		.period = SOFT_VOLUME_PERIOD,
+		.step = SOFT_VOLUME_STEP,
+		.rampingcurve = SOFT_VOLUME_CURVE_LINEAR,
+	};
+
+	prtd->audio_client->perf_mode = false;
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+		if (params_format(params) == SNDRV_PCM_FORMAT_S24_LE)
+			bits_per_sample = 24;
+		ret = q6asm_open_write_v2(prtd->audio_client,
+				FORMAT_LINEAR_PCM, bits_per_sample);
+		if (ret < 0) {
+			pr_err("%s: pcm out open failed\n", __func__);
+			q6asm_audio_client_free(prtd->audio_client);
+			prtd->audio_client = NULL;
+			return -ENOMEM;
+		}
+		ret = q6asm_set_io_mode(prtd->audio_client, ASYNC_IO_MODE);
+		if (ret < 0) {
+			pr_err("%s: Set IO mode failed\n", __func__);
+			q6asm_audio_client_free(prtd->audio_client);
+			prtd->audio_client = NULL;
+			return -ENOMEM;
+		}
+	}
+
+	pr_debug("%s: session ID %d\n", __func__, prtd->audio_client->session);
+	prtd->session_id = prtd->audio_client->session;
+	msm_pcm_routing_reg_phy_stream(soc_prtd->dai_link->be_id,
+		prtd->audio_client->perf_mode,
+		prtd->session_id, substream->stream);
+
+	lpa_set_volume(0);
+	ret = q6asm_set_softpause(lpa_audio.prtd->audio_client, &softpause);
+	if (ret < 0)
+		pr_err("%s: Send SoftPause Param failed ret=%d\n",
+			__func__, ret);
+	ret = q6asm_set_softvolume(lpa_audio.prtd->audio_client, &softvol);
+	if (ret < 0)
+		pr_err("%s: Send SoftVolume Param failed ret=%d\n",
+			__func__, ret);
 
 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 		dir = IN;
diff --git a/sound/soc/msm/qdsp6v2/msm-pcm-routing-v2.c b/sound/soc/msm/qdsp6v2/msm-pcm-routing-v2.c
index 8257023..e7c4a8a 100644
--- a/sound/soc/msm/qdsp6v2/msm-pcm-routing-v2.c
+++ b/sound/soc/msm/qdsp6v2/msm-pcm-routing-v2.c
@@ -30,11 +30,11 @@
 #include <sound/tlv.h>
 #include <sound/asound.h>
 #include <sound/pcm_params.h>
-#include <mach/qdsp6v2/q6core.h>
 
 #include "msm-pcm-routing-v2.h"
 #include "msm-dolby-dap-config.h"
 #include "q6voice.h"
+#include "q6core.h"
 
 struct msm_pcm_routing_bdai_data {
 	u16 port_id; /* AFE port ID */
@@ -213,8 +213,8 @@
 	{ INT_FM_TX, 0, 0, 0, 0, 0},
 	{ RT_PROXY_PORT_001_RX, 0, 0, 0, 0, 0},
 	{ RT_PROXY_PORT_001_TX, 0, 0, 0, 0, 0},
-	{ PCM_RX, 0, 0, 0, 0, 0},
-	{ PCM_TX, 0, 0, 0, 0, 0},
+	{ AFE_PORT_ID_PRIMARY_PCM_RX, 0, 0, 0, 0, 0},
+	{ AFE_PORT_ID_PRIMARY_PCM_TX, 0, 0, 0, 0, 0},
 	{ VOICE_PLAYBACK_TX, 0, 0, 0, 0, 0},
 	{ VOICE_RECORD_RX, 0, 0, 0, 0, 0},
 	{ VOICE_RECORD_TX, 0, 0, 0, 0, 0},
@@ -1618,6 +1618,12 @@
 	msm_routing_put_audio_mixer),
 };
 
+static const struct snd_kcontrol_new mmul4_mixer_controls[] = {
+	SOC_SINGLE_EXT("SLIM_0_TX", MSM_BACKEND_DAI_SLIMBUS_0_TX,
+	MSM_FRONTEND_DAI_MULTIMEDIA4, 1, 0, msm_routing_get_audio_mixer,
+	msm_routing_put_audio_mixer),
+};
+
 static const struct snd_kcontrol_new mmul5_mixer_controls[] = {
 	SOC_SINGLE_EXT("SLIM_0_TX", MSM_BACKEND_DAI_SLIMBUS_0_TX,
 	MSM_FRONTEND_DAI_MULTIMEDIA5, 1, 0, msm_routing_get_audio_mixer,
@@ -2420,15 +2426,21 @@
 			__func__, e->shift_l , e->values[item]);
 		if (e->shift_l < MSM_BACKEND_DAI_MAX &&
 			e->values[item] < MSM_BACKEND_DAI_MAX)
+			/* Enable feedback TX path */
 			ret = afe_spk_prot_feed_back_cfg(
 			   msm_bedais[e->values[item]].port_id,
-			   msm_bedais[e->shift_l].port_id, 1, 0);
+			   msm_bedais[e->shift_l].port_id, 1, 0, 1);
 		else {
-			pr_err("%s values are out of range\n", __func__);
-			ret = -EINVAL;
+			pr_debug("%s values are out of range item %d\n",
+			__func__, e->values[item]);
+			/* Disable feedback TX path */
+			if (e->values[item] == MSM_BACKEND_DAI_MAX)
+				ret = afe_spk_prot_feed_back_cfg(0, 0, 0, 0, 0);
+			else
+				ret = -EINVAL;
 		}
 	} else {
-		pr_err("%s item value is out of range\n", __func__);
+		pr_err("%s item value is out of range item\n", __func__);
 		ret = -EINVAL;
 	}
 	mutex_unlock(&routing_lock);
@@ -2443,11 +2455,11 @@
 }
 
 static const char * const slim0_rx_vi_fb_tx_lch_mux_text[] = {
-	"SLIM4_TX",
+	"ZERO", "SLIM4_TX"
 };
 
 static const int const slim0_rx_vi_fb_tx_lch_value[] = {
-	MSM_BACKEND_DAI_SLIMBUS_4_TX,
+	MSM_BACKEND_DAI_MAX, MSM_BACKEND_DAI_SLIMBUS_4_TX
 };
 static const struct soc_enum slim0_rx_vi_fb_lch_mux_enum =
 	SOC_VALUE_ENUM_DOUBLE(0, MSM_BACKEND_DAI_SLIMBUS_0_RX, 0, 0,
@@ -2472,6 +2484,7 @@
 	SND_SOC_DAPM_AIF_IN("VOIP_DL", "VoIP Playback", 0, 0, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("MM_UL1", "MultiMedia1 Capture", 0, 0, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("MM_UL2", "MultiMedia2 Capture", 0, 0, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("MM_UL4", "MultiMedia4 Capture", 0, 0, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("MM_UL5", "MultiMedia5 Capture", 0, 0, 0, 0),
 	SND_SOC_DAPM_AIF_IN("CS-VOICE_DL1", "CS-VOICE Playback", 0, 0, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("CS-VOICE_UL1", "CS-VOICE Capture", 0, 0, 0, 0),
@@ -2621,6 +2634,8 @@
 	mmul1_mixer_controls, ARRAY_SIZE(mmul1_mixer_controls)),
 	SND_SOC_DAPM_MIXER("MultiMedia2 Mixer", SND_SOC_NOPM, 0, 0,
 	mmul2_mixer_controls, ARRAY_SIZE(mmul2_mixer_controls)),
+	SND_SOC_DAPM_MIXER("MultiMedia4 Mixer", SND_SOC_NOPM, 0, 0,
+	mmul4_mixer_controls, ARRAY_SIZE(mmul4_mixer_controls)),
 	SND_SOC_DAPM_MIXER("MultiMedia5 Mixer", SND_SOC_NOPM, 0, 0,
 	mmul5_mixer_controls, ARRAY_SIZE(mmul5_mixer_controls)),
 	SND_SOC_DAPM_MIXER("AUX_PCM_RX Audio Mixer", SND_SOC_NOPM, 0, 0,
@@ -2777,6 +2792,7 @@
 	{"MultiMedia1 Mixer", "VOC_REC_UL", "INCALL_RECORD_TX"},
 	{"MultiMedia1 Mixer", "VOC_REC_DL", "INCALL_RECORD_RX"},
 	{"MultiMedia1 Mixer", "SLIM_4_TX", "SLIMBUS_4_TX"},
+	{"MultiMedia4 Mixer", "SLIM_0_TX", "SLIMBUS_0_TX"},
 	{"MultiMedia5 Mixer", "SLIM_0_TX", "SLIMBUS_0_TX"},
 	{"MI2S_RX Audio Mixer", "MultiMedia1", "MM_DL1"},
 	{"MI2S_RX Audio Mixer", "MultiMedia2", "MM_DL2"},
@@ -2847,6 +2863,7 @@
 	{"MM_UL1", NULL, "MultiMedia1 Mixer"},
 	{"MultiMedia2 Mixer", "INTERNAL_FM_TX", "INT_FM_TX"},
 	{"MM_UL2", NULL, "MultiMedia2 Mixer"},
+	{"MM_UL4", NULL, "MultiMedia4 Mixer"},
 	{"MM_UL5", NULL, "MultiMedia5 Mixer"},
 
 	{"AUX_PCM_RX Audio Mixer", "MultiMedia1", "MM_DL1"},
@@ -3070,6 +3087,13 @@
 	{"BE_OUT", NULL, "SLIMBUS_3_RX"},
 	{"BE_OUT", NULL, "AUX_PCM_RX"},
 	{"BE_OUT", NULL, "SEC_AUX_PCM_RX"},
+	{"BE_OUT", NULL, "INT_BT_SCO_RX"},
+	{"BE_OUT", NULL, "INT_FM_RX"},
+	{"BE_OUT", NULL, "PCM_RX"},
+	{"BE_OUT", NULL, "SLIMBUS_3_RX"},
+	{"BE_OUT", NULL, "AUX_PCM_RX"},
+	{"BE_OUT", NULL, "SEC_AUX_PCM_RX"},
+	{"BE_OUT", NULL, "VOICE_PLAYBACK_TX"},
 
 	{"PRI_I2S_TX", NULL, "BE_IN"},
 	{"MI2S_TX", NULL, "BE_IN"},
@@ -3080,20 +3104,13 @@
 	{"SLIMBUS_3_TX", NULL, "BE_IN" },
 	{"SLIMBUS_4_TX", NULL, "BE_IN" },
 	{"SLIMBUS_5_TX", NULL, "BE_IN" },
-	{"BE_OUT", NULL, "INT_BT_SCO_RX"},
 	{"INT_BT_SCO_TX", NULL, "BE_IN"},
-	{"BE_OUT", NULL, "INT_FM_RX"},
 	{"INT_FM_TX", NULL, "BE_IN"},
-	{"BE_OUT", NULL, "PCM_RX"},
 	{"PCM_TX", NULL, "BE_IN"},
-	{"BE_OUT", NULL, "SLIMBUS_3_RX"},
-	{"BE_OUT", NULL, "AUX_PCM_RX"},
 	{"AUX_PCM_TX", NULL, "BE_IN"},
-	{"BE_OUT", NULL, "SEC_AUX_PCM_RX"},
 	{"SEC_AUX_PCM_TX", NULL, "BE_IN"},
 	{"INCALL_RECORD_TX", NULL, "BE_IN"},
 	{"INCALL_RECORD_RX", NULL, "BE_IN"},
-	{"BE_OUT", NULL, "VOICE_PLAYBACK_TX"},
 	{"SLIM0_RX_VI_FB_LCH_MUX", "SLIM4_TX", "SLIMBUS_4_TX"},
 	{"SLIMBUS_0_RX", NULL, "SLIM0_RX_VI_FB_LCH_MUX"},
 };
diff --git a/sound/soc/msm/qdsp6v2/q6afe.c b/sound/soc/msm/qdsp6v2/q6afe.c
index 63af271..3598977 100644
--- a/sound/soc/msm/qdsp6v2/q6afe.c
+++ b/sound/soc/msm/qdsp6v2/q6afe.c
@@ -80,6 +80,8 @@
 
 static int32_t afe_callback(struct apr_client_data *data, void *priv)
 {
+	int i;
+
 	if (!data) {
 		pr_err("%s: Invalid param data\n", __func__);
 		return -EINVAL;
@@ -87,6 +89,12 @@
 	if (data->opcode == RESET_EVENTS) {
 		pr_debug("q6afe: reset event = %d %d apr[%p]\n",
 			data->reset_event, data->reset_proc, this_afe.apr);
+
+		for (i = 0; i < MAX_AUDPROC_TYPES; i++) {
+			this_afe.afe_cal_addr[i].cal_paddr = 0;
+			this_afe.afe_cal_addr[i].cal_size = 0;
+		}
+
 		if (this_afe.apr) {
 			apr_reset(this_afe.apr);
 			atomic_set(&this_afe.state, 0);
@@ -209,7 +217,7 @@
 
 	switch (port_id) {
 	case PRIMARY_I2S_RX:
-	case PCM_RX:
+	case AFE_PORT_ID_PRIMARY_PCM_RX:
 	case SECONDARY_I2S_RX:
 	case MI2S_RX:
 	case HDMI_RX:
@@ -233,7 +241,7 @@
 		break;
 
 	case PRIMARY_I2S_TX:
-	case PCM_TX:
+	case AFE_PORT_ID_PRIMARY_PCM_TX:
 	case SECONDARY_I2S_TX:
 	case MI2S_TX:
 	case DIGI_MIC_TX:
@@ -299,8 +307,8 @@
 	case RT_PROXY_PORT_001_TX:
 		ret_size = SIZEOF_CFG_CMD(afe_param_id_rt_proxy_port_cfg);
 		break;
-	case PCM_RX:
-	case PCM_TX:
+	case AFE_PORT_ID_PRIMARY_PCM_RX:
+	case AFE_PORT_ID_PRIMARY_PCM_TX:
 	case AFE_PORT_ID_SECONDARY_PCM_RX:
 	case AFE_PORT_ID_SECONDARY_PCM_TX:
 	default:
@@ -1145,8 +1153,8 @@
 	case PRIMARY_I2S_TX:
 		cfg_type = AFE_PARAM_ID_PCM_CONFIG;
 		break;
-	case PCM_RX:
-	case PCM_TX:
+	case AFE_PORT_ID_PRIMARY_PCM_RX:
+	case AFE_PORT_ID_PRIMARY_PCM_TX:
 	case AFE_PORT_ID_SECONDARY_PCM_RX:
 	case AFE_PORT_ID_SECONDARY_PCM_TX:
 		cfg_type = AFE_PARAM_ID_PCM_CONFIG;
@@ -1242,8 +1250,10 @@
 	switch (port_id) {
 	case PRIMARY_I2S_RX: return IDX_PRIMARY_I2S_RX;
 	case PRIMARY_I2S_TX: return IDX_PRIMARY_I2S_TX;
-	case PCM_RX: return IDX_PCM_RX;
-	case PCM_TX: return IDX_PCM_TX;
+	case AFE_PORT_ID_PRIMARY_PCM_RX:
+		return IDX_AFE_PORT_ID_PRIMARY_PCM_RX;
+	case AFE_PORT_ID_PRIMARY_PCM_TX:
+		return IDX_AFE_PORT_ID_PRIMARY_PCM_TX;
 	case AFE_PORT_ID_SECONDARY_PCM_RX:
 		return IDX_AFE_PORT_ID_SECONDARY_PCM_RX;
 	case AFE_PORT_ID_SECONDARY_PCM_TX:
@@ -1341,8 +1351,8 @@
 	case PRIMARY_I2S_TX:
 		cfg_type = AFE_PARAM_ID_I2S_CONFIG;
 		break;
-	case PCM_RX:
-	case PCM_TX:
+	case AFE_PORT_ID_PRIMARY_PCM_RX:
+	case AFE_PORT_ID_PRIMARY_PCM_TX:
 	case AFE_PORT_ID_SECONDARY_PCM_RX:
 	case AFE_PORT_ID_SECONDARY_PCM_TX:
 		cfg_type = AFE_PARAM_ID_PCM_CONFIG;
@@ -2530,8 +2540,8 @@
 	switch (port_id) {
 	case PRIMARY_I2S_RX:
 	case PRIMARY_I2S_TX:
-	case PCM_RX:
-	case PCM_TX:
+	case AFE_PORT_ID_PRIMARY_PCM_RX:
+	case AFE_PORT_ID_PRIMARY_PCM_TX:
 	case AFE_PORT_ID_SECONDARY_PCM_RX:
 	case AFE_PORT_ID_SECONDARY_PCM_TX:
 	case SECONDARY_I2S_RX:
@@ -2957,12 +2967,18 @@
 }
 
 int afe_spk_prot_feed_back_cfg(int src_port, int dst_port,
-	int l_ch, int r_ch)
+	int l_ch, int r_ch, u32 enable)
 {
 	int ret = -EINVAL;
 	union afe_spkr_prot_config prot_config;
 	int index = 0;
 
+	if (!enable) {
+		pr_debug("%s Disable Feedback tx path", __func__);
+		this_afe.vi_tx_port = -1;
+		return 0;
+	}
+
 	if ((q6audio_validate_port(src_port) < 0) ||
 		(q6audio_validate_port(dst_port) < 0)) {
 		pr_err("%s invalid ports src %d dst %d",
@@ -3003,6 +3019,7 @@
 	this_afe.apr = NULL;
 	this_afe.dtmf_gen_rx_portid = -1;
 	this_afe.mmap_handle = 0;
+	this_afe.vi_tx_port = -1;
 	for (i = 0; i < AFE_MAX_PORTS; i++)
 		init_waitqueue_head(&this_afe.wait[i]);
 
diff --git a/sound/soc/msm/qdsp6v2/q6audio-v2.c b/sound/soc/msm/qdsp6v2/q6audio-v2.c
index faf5f35..3cb7a1f 100644
--- a/sound/soc/msm/qdsp6v2/q6audio-v2.c
+++ b/sound/soc/msm/qdsp6v2/q6audio-v2.c
@@ -24,8 +24,10 @@
 	switch (port_id) {
 	case PRIMARY_I2S_RX: return IDX_PRIMARY_I2S_RX;
 	case PRIMARY_I2S_TX: return IDX_PRIMARY_I2S_TX;
-	case PCM_RX: return IDX_PCM_RX;
-	case PCM_TX: return IDX_PCM_TX;
+	case AFE_PORT_ID_PRIMARY_PCM_RX:
+		return IDX_AFE_PORT_ID_PRIMARY_PCM_RX;
+	case AFE_PORT_ID_PRIMARY_PCM_TX:
+		return IDX_AFE_PORT_ID_PRIMARY_PCM_TX;
 	case AFE_PORT_ID_SECONDARY_PCM_RX:
 		return IDX_AFE_PORT_ID_SECONDARY_PCM_RX;
 	case AFE_PORT_ID_SECONDARY_PCM_TX:
@@ -76,8 +78,10 @@
 	switch (port_id) {
 	case PRIMARY_I2S_RX: return AFE_PORT_ID_PRIMARY_MI2S_RX;
 	case PRIMARY_I2S_TX: return AFE_PORT_ID_PRIMARY_MI2S_TX;
-	case PCM_RX: return AFE_PORT_ID_PRIMARY_PCM_RX;
-	case PCM_TX: return AFE_PORT_ID_PRIMARY_PCM_TX;
+	case AFE_PORT_ID_PRIMARY_PCM_RX:
+			return AFE_PORT_ID_PRIMARY_PCM_RX;
+	case AFE_PORT_ID_PRIMARY_PCM_TX:
+			return AFE_PORT_ID_PRIMARY_PCM_TX;
 	case AFE_PORT_ID_SECONDARY_PCM_RX:
 			return AFE_PORT_ID_SECONDARY_PCM_RX;
 	case AFE_PORT_ID_SECONDARY_PCM_TX:
@@ -152,8 +156,8 @@
 	switch (port_id) {
 	case PRIMARY_I2S_RX:
 	case PRIMARY_I2S_TX:
-	case PCM_RX:
-	case PCM_TX:
+	case AFE_PORT_ID_PRIMARY_PCM_RX:
+	case AFE_PORT_ID_PRIMARY_PCM_TX:
 	case AFE_PORT_ID_SECONDARY_PCM_RX:
 	case AFE_PORT_ID_SECONDARY_PCM_TX:
 	case SECONDARY_I2S_RX:
@@ -179,8 +183,8 @@
 	switch (port_id) {
 	case PRIMARY_I2S_RX:
 	case PRIMARY_I2S_TX:
-	case PCM_RX:
-	case PCM_TX:
+	case AFE_PORT_ID_PRIMARY_PCM_RX:
+	case AFE_PORT_ID_PRIMARY_PCM_TX:
 	case AFE_PORT_ID_SECONDARY_PCM_RX:
 	case AFE_PORT_ID_SECONDARY_PCM_TX:
 	case SECONDARY_I2S_RX:
diff --git a/sound/soc/msm/qdsp6v2/q6core.c b/sound/soc/msm/qdsp6v2/q6core.c
index 557b326..42cbcd1 100644
--- a/sound/soc/msm/qdsp6v2/q6core.c
+++ b/sound/soc/msm/qdsp6v2/q6core.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2012, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -32,7 +32,7 @@
 	struct avcs_cmd_rsp_get_low_power_segments_info_t *lp_ocm_payload;
 };
 
-struct q6core_str q6core_lcl;
+static struct q6core_str q6core_lcl;
 
 static int32_t aprv2_core_fn_q(struct apr_client_data *data, void *priv)
 {
@@ -40,7 +40,7 @@
 	uint32_t nseg;
 	int i, j;
 
-	pr_info("core msg: payload len = %u, apr resp opcode = 0x%X\n",
+	pr_debug("core msg: payload len = %u, apr resp opcode = 0x%X\n",
 		data->payload_size, data->opcode);
 
 	switch (data->opcode) {
@@ -121,6 +121,33 @@
 		pr_err("%s: Unable to register CORE\n", __func__);
 }
 
+uint32_t core_set_dolby_manufacturer_id(int manufacturer_id)
+{
+	struct adsp_dolby_manufacturer_id payload;
+	int rc = 0;
+	pr_debug("%s manufacturer_id :%d\n", __func__, manufacturer_id);
+	ocm_core_open();
+	if (q6core_lcl.core_handle_q) {
+		payload.hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_EVENT,
+			APR_HDR_LEN(APR_HDR_SIZE), APR_PKT_VER);
+		payload.hdr.pkt_size =
+			sizeof(struct adsp_dolby_manufacturer_id);
+		payload.hdr.src_port = 0;
+		payload.hdr.dest_port = 0;
+		payload.hdr.token = 0;
+		payload.hdr.opcode = ADSP_CMD_SET_DOLBY_MANUFACTURER_ID;
+		payload.manufacturer_id = manufacturer_id;
+		pr_debug("Send Dolby security opcode=%x manufacturer ID = %d\n",
+			payload.hdr.opcode, payload.manufacturer_id);
+		rc = apr_send_pkt(q6core_lcl.core_handle_q,
+						(uint32_t *)&payload);
+		if (rc < 0)
+			pr_err("%s: SET_DOLBY_MANUFACTURER_ID failed op[0x%x]rc[%d]\n",
+				__func__, payload.hdr.opcode, rc);
+	}
+	return rc;
+}
+
 int core_get_low_power_segments(
 		struct avcs_cmd_rsp_get_low_power_segments_info_t **lp_memseg)
 {
diff --git a/sound/soc/msm/qdsp6v2/q6core.h b/sound/soc/msm/qdsp6v2/q6core.h
index ff611d5..39bf4ab 100644
--- a/sound/soc/msm/qdsp6v2/q6core.h
+++ b/sound/soc/msm/qdsp6v2/q6core.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2012, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -90,4 +90,13 @@
 int core_get_low_power_segments(
 			struct avcs_cmd_rsp_get_low_power_segments_info_t **);
 
+#define ADSP_CMD_SET_DOLBY_MANUFACTURER_ID 0x00012918
+
+struct adsp_dolby_manufacturer_id {
+	struct apr_hdr hdr;
+	int manufacturer_id;
+};
+
+uint32_t core_set_dolby_manufacturer_id(int manufacturer_id);
+
 #endif /* __Q6CORE_H__ */
diff --git a/sound/soc/msm/qdsp6v2/q6voice.c b/sound/soc/msm/qdsp6v2/q6voice.c
index 80bc4f9..e9d0a7e 100644
--- a/sound/soc/msm/qdsp6v2/q6voice.c
+++ b/sound/soc/msm/qdsp6v2/q6voice.c
@@ -2963,6 +2963,7 @@
 	cvp_mute_cmd.hdr.opcode = VSS_IVOLUME_CMD_MUTE_V2;
 	cvp_mute_cmd.cvp_set_mute.direction = VSS_IVOLUME_DIRECTION_RX;
 	cvp_mute_cmd.cvp_set_mute.mute_flag = v->dev_rx.mute;
+	cvp_mute_cmd.cvp_set_mute.ramp_duration_ms = DEFAULT_MUTE_RAMP_DURATION;
 
 	v->cvp_state = CMD_STATUS_FAIL;
 	ret = apr_send_pkt(common.apr_q6_cvp, (uint32_t *) &cvp_mute_cmd);
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 40595bf..519f325 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -1767,7 +1767,12 @@
 		    (be->dpcm[stream].state != SND_SOC_DPCM_STATE_PREPARE) &&
 			(be->dpcm[stream].state != SND_SOC_DPCM_STATE_HW_FREE) &&
 		    (be->dpcm[stream].state != SND_SOC_DPCM_STATE_PAUSED) &&
-		    (be->dpcm[stream].state != SND_SOC_DPCM_STATE_STOP))
+		    (be->dpcm[stream].state != SND_SOC_DPCM_STATE_STOP) &&
+		    !((be->dpcm[stream].state == SND_SOC_DPCM_STATE_START) &&
+		      ((fe->dpcm[stream].state != SND_SOC_DPCM_STATE_START) &&
+			(fe->dpcm[stream].state != SND_SOC_DPCM_STATE_PAUSED) &&
+			(fe->dpcm[stream].state !=
+						SND_SOC_DPCM_STATE_SUSPEND))))
 			continue;
 
 		dev_dbg(be->dev, "dpcm: hw_free BE %s\n",