Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
  ACPI / PM: Do not save/restore NVS on Sony Vaio VGN-NW130D
  ACPI/HEST: adjust section selection
  ACPI: eliminate unused variable warning for !ACPI_SLEEP
  ACPI/PNP: avoid section mismatch warning
  ACPI thermal: remove two unused functions
  ACPI: fix a section mismatch
  ACPI, APEI, use raw spinlock in ERST
  ACPI: video: fix build for CONFIG_ACPI=n
  ACPI: video: fix build for VIDEO_OUTPUT_CONTROL=n
  ACPI: fix allowing to add/remove multiple _OSI strings
  acpi: fix _OSI string setup regression
  ACPI: EC: Add another dmi match entry for MSI hardware
  ACPI battery: update status upon sysfs query
  ACPI ac: update AC status upon sysfs query
  ACPI / PM: Do not refcount power resources that can't be turned on
  ACPI / PM: Check device state before refcounting power resources
diff --git a/Documentation/ABI/testing/sysfs-platform-asus-laptop b/Documentation/ABI/testing/sysfs-platform-asus-laptop
index 1d77539..41ff8ae 100644
--- a/Documentation/ABI/testing/sysfs-platform-asus-laptop
+++ b/Documentation/ABI/testing/sysfs-platform-asus-laptop
@@ -47,6 +47,20 @@
 KernelVersion:	2.6.20
 Contact:	"Corentin Chary" <corentincj@iksaif.net>
 Description:
-		Control the bluetooth device. 1 means on, 0 means off.
+		Control the wlan device. 1 means on, 0 means off.
 		This may control the led, the device or both.
 Users:		Lapsus
+
+What:		/sys/devices/platform/asus_laptop/wimax
+Date:		October 2010
+KernelVersion:	2.6.37
+Contact:	"Corentin Chary" <corentincj@iksaif.net>
+Description:
+		Control the wimax device. 1 means on, 0 means off.
+
+What:		/sys/devices/platform/asus_laptop/wwan
+Date:		October 2010
+KernelVersion:	2.6.37
+Contact:	"Corentin Chary" <corentincj@iksaif.net>
+Description:
+		Control the wwan (3G) device. 1 means on, 0 means off.
diff --git a/Documentation/ABI/testing/sysfs-platform-eeepc-wmi b/Documentation/ABI/testing/sysfs-platform-eeepc-wmi
new file mode 100644
index 0000000..e4b5fef
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-platform-eeepc-wmi
@@ -0,0 +1,10 @@
+What:		/sys/devices/platform/eeepc-wmi/cpufv
+Date:		Oct 2010
+KernelVersion:	2.6.37
+Contact:	"Corentin Chary" <corentincj@iksaif.net>
+Description:
+		Change CPU clock configuration (write-only).
+		There are three available clock configuration:
+		    * 0 -> Super Performance Mode
+		    * 1 -> High Performance Mode
+		    * 2 -> Power Saving Mode
diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking
index a91f308..b6426f1 100644
--- a/Documentation/filesystems/Locking
+++ b/Documentation/filesystems/Locking
@@ -173,12 +173,13 @@
 	sector_t (*bmap)(struct address_space *, sector_t);
 	int (*invalidatepage) (struct page *, unsigned long);
 	int (*releasepage) (struct page *, int);
+	void (*freepage)(struct page *);
 	int (*direct_IO)(int, struct kiocb *, const struct iovec *iov,
 			loff_t offset, unsigned long nr_segs);
 	int (*launder_page) (struct page *);
 
 locking rules:
-	All except set_page_dirty may block
+	All except set_page_dirty and freepage may block
 
 			BKL	PageLocked(page)	i_mutex
 writepage:		no	yes, unlocks (see below)
@@ -193,6 +194,7 @@
 bmap:			no
 invalidatepage:		no	yes
 releasepage:		no	yes
+freepage:		no	yes
 direct_IO:		no
 launder_page:		no	yes
 
@@ -288,6 +290,9 @@
 indicate that the buffers are (or may be) freeable.  If ->releasepage is zero,
 the kernel assumes that the fs has no private interest in the buffers.
 
+	->freepage() is called when the kernel is done dropping the page
+from the page cache.
+
 	->launder_page() may be called prior to releasing a page if
 it is still found to be dirty. It returns zero if the page was successfully
 cleaned, or an error value if not. Note that in order to prevent the page
diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt
index 55c28b7..20899e0 100644
--- a/Documentation/filesystems/vfs.txt
+++ b/Documentation/filesystems/vfs.txt
@@ -534,6 +534,7 @@
 	sector_t (*bmap)(struct address_space *, sector_t);
 	int (*invalidatepage) (struct page *, unsigned long);
 	int (*releasepage) (struct page *, int);
+	void (*freepage)(struct page *);
 	ssize_t (*direct_IO)(int, struct kiocb *, const struct iovec *iov,
 			loff_t offset, unsigned long nr_segs);
 	struct page* (*get_xip_page)(struct address_space *, sector_t,
@@ -678,6 +679,12 @@
         need to ensure this.  Possibly it can clear the PageUptodate
         bit if it cannot free private data yet.
 
+  freepage: freepage is called once the page is no longer visible in
+        the page cache in order to allow the cleanup of any private
+	data. Since it may be called by the memory reclaimer, it
+	should not assume that the original address_space mapping still
+	exists, and it should not block.
+
   direct_IO: called by the generic read/write routines to perform
         direct_IO - that is IO requests which bypass the page cache
         and transfer data directly between the storage and the
diff --git a/arch/arm/mach-s3c2412/Kconfig b/arch/arm/mach-s3c2412/Kconfig
index cef6a65..fa2e5bf 100644
--- a/arch/arm/mach-s3c2412/Kconfig
+++ b/arch/arm/mach-s3c2412/Kconfig
@@ -16,7 +16,7 @@
 config CPU_S3C2412_ONLY
 	bool
 	depends on ARCH_S3C2410 && !CPU_S3C2400 && !CPU_S3C2410 && \
-		   !CPU_2416 && !CPU_S3C2440 && !CPU_S3C2442 && \
+		   !CPU_S3C2416 && !CPU_S3C2440 && !CPU_S3C2442 && \
 		   !CPU_S3C2443 && CPU_S3C2412
 	default y if CPU_S3C2412
 
diff --git a/arch/arm/mach-s3c2416/Kconfig b/arch/arm/mach-s3c2416/Kconfig
index 87b9c9f..27b3e7c 100644
--- a/arch/arm/mach-s3c2416/Kconfig
+++ b/arch/arm/mach-s3c2416/Kconfig
@@ -35,9 +35,12 @@
 config MACH_SMDK2416
 	bool "SMDK2416"
 	select CPU_S3C2416
+	select MACH_SMDK
 	select S3C_DEV_FB
 	select S3C_DEV_HSMMC
 	select S3C_DEV_HSMMC1
+	select S3C_DEV_NAND
+	select S3C_DEV_USB_HOST
 	select S3C2416_PM if PM
 	help
 	  Say Y here if you are using an SMDK2416
diff --git a/arch/arm/mach-s3c2440/Kconfig b/arch/arm/mach-s3c2440/Kconfig
index ff024a6..a0cb258 100644
--- a/arch/arm/mach-s3c2440/Kconfig
+++ b/arch/arm/mach-s3c2440/Kconfig
@@ -18,6 +18,7 @@
 config CPU_S3C2442
 	bool
 	select CPU_ARM920T
+	select S3C_GPIO_PULL_DOWN
 	select S3C2410_CLOCK
 	select S3C2410_GPIO
 	select S3C2410_PM if PM
@@ -178,6 +179,9 @@
 	bool "MINI2440 development board"
 	select CPU_S3C2440
 	select EEPROM_AT24
+	select NEW_LEDS
+	select LEDS_CLASS
+	select LEDS_TRIGGER
 	select LEDS_TRIGGER_BACKLIGHT
 	select S3C_DEV_NAND
 	select S3C_DEV_USB_HOST
diff --git a/arch/arm/mach-s3c2440/s3c2440.c b/arch/arm/mach-s3c2440/s3c2440.c
index d50f3ae..f7663f7 100644
--- a/arch/arm/mach-s3c2440/s3c2440.c
+++ b/arch/arm/mach-s3c2440/s3c2440.c
@@ -46,9 +46,6 @@
 {
 	printk("S3C2440: Initialising architecture\n");
 
-	s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_1up;
-	s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_1up;
-
 	/* change irq for watchdog */
 
 	s3c_device_wdt.resource[1].start = IRQ_S3C2440_WDT;
@@ -58,3 +55,11 @@
 
 	return sysdev_register(&s3c2440_sysdev);
 }
+
+void __init s3c2440_map_io(void)
+{
+	s3c244x_map_io();
+
+	s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_1up;
+	s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_1up;
+}
diff --git a/arch/arm/mach-s3c2440/s3c2442.c b/arch/arm/mach-s3c2440/s3c2442.c
index 188ad1e..ecf8135 100644
--- a/arch/arm/mach-s3c2440/s3c2442.c
+++ b/arch/arm/mach-s3c2440/s3c2442.c
@@ -32,6 +32,7 @@
 #include <linux/interrupt.h>
 #include <linux/ioport.h>
 #include <linux/mutex.h>
+#include <linux/gpio.h>
 #include <linux/clk.h>
 #include <linux/io.h>
 
@@ -43,6 +44,11 @@
 
 #include <plat/clock.h>
 #include <plat/cpu.h>
+#include <plat/s3c244x.h>
+
+#include <plat/gpio-core.h>
+#include <plat/gpio-cfg.h>
+#include <plat/gpio-cfg-helpers.h>
 
 /* S3C2442 extended clock support */
 
@@ -163,3 +169,11 @@
 
 	return sysdev_register(&s3c2442_sysdev);
 }
+
+void __init s3c2442_map_io(void)
+{
+	s3c244x_map_io();
+
+	s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_1down;
+	s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_1down;
+}
diff --git a/arch/arm/mach-s3c2443/Kconfig b/arch/arm/mach-s3c2443/Kconfig
index 4fef723..31babec 100644
--- a/arch/arm/mach-s3c2443/Kconfig
+++ b/arch/arm/mach-s3c2443/Kconfig
@@ -5,6 +5,7 @@
 config CPU_S3C2443
 	bool
 	depends on ARCH_S3C2410
+	select CPU_ARM920T
 	select S3C2443_DMA if S3C2410_DMA
 	select CPU_LLSERIAL_S3C2440
 	select SAMSUNG_CLKSRC
diff --git a/arch/arm/plat-s3c24xx/cpu.c b/arch/arm/plat-s3c24xx/cpu.c
index 76d0858..4a10c0f 100644
--- a/arch/arm/plat-s3c24xx/cpu.c
+++ b/arch/arm/plat-s3c24xx/cpu.c
@@ -88,7 +88,7 @@
 	{
 		.idcode		= 0x32440000,
 		.idmask		= 0xffffffff,
-		.map_io		= s3c244x_map_io,
+		.map_io		= s3c2440_map_io,
 		.init_clocks	= s3c244x_init_clocks,
 		.init_uarts	= s3c244x_init_uarts,
 		.init		= s3c2440_init,
@@ -97,7 +97,7 @@
 	{
 		.idcode		= 0x32440001,
 		.idmask		= 0xffffffff,
-		.map_io		= s3c244x_map_io,
+		.map_io		= s3c2440_map_io,
 		.init_clocks	= s3c244x_init_clocks,
 		.init_uarts	= s3c244x_init_uarts,
 		.init		= s3c2440_init,
@@ -106,7 +106,7 @@
 	{
 		.idcode		= 0x32440aaa,
 		.idmask		= 0xffffffff,
-		.map_io		= s3c244x_map_io,
+		.map_io		= s3c2442_map_io,
 		.init_clocks	= s3c244x_init_clocks,
 		.init_uarts	= s3c244x_init_uarts,
 		.init		= s3c2442_init,
@@ -115,7 +115,7 @@
 	{
 		.idcode		= 0x32440aab,
 		.idmask		= 0xffffffff,
-		.map_io		= s3c244x_map_io,
+		.map_io		= s3c2442_map_io,
 		.init_clocks	= s3c244x_init_clocks,
 		.init_uarts	= s3c244x_init_uarts,
 		.init		= s3c2442_init,
diff --git a/arch/arm/plat-s3c24xx/gpiolib.c b/arch/arm/plat-s3c24xx/gpiolib.c
index 24c6f5a..243b641 100644
--- a/arch/arm/plat-s3c24xx/gpiolib.c
+++ b/arch/arm/plat-s3c24xx/gpiolib.c
@@ -82,8 +82,6 @@
 struct s3c_gpio_cfg s3c24xx_gpiocfg_default = {
 	.set_config	= s3c_gpio_setcfg_s3c24xx,
 	.get_config	= s3c_gpio_getcfg_s3c24xx,
-	.set_pull	= s3c_gpio_setpull_1up,
-	.get_pull	= s3c_gpio_getpull_1up,
 };
 
 struct s3c_gpio_chip s3c24xx_gpios[] = {
diff --git a/arch/arm/plat-s3c24xx/include/plat/s3c244x.h b/arch/arm/plat-s3c24xx/include/plat/s3c244x.h
index 307248d..89e8d0a 100644
--- a/arch/arm/plat-s3c24xx/include/plat/s3c244x.h
+++ b/arch/arm/plat-s3c24xx/include/plat/s3c244x.h
@@ -21,17 +21,22 @@
 #else
 #define s3c244x_init_clocks NULL
 #define s3c244x_init_uarts NULL
-#define s3c244x_map_io NULL
 #endif
 
 #ifdef CONFIG_CPU_S3C2440
 extern  int s3c2440_init(void);
+
+extern void s3c2440_map_io(void);
 #else
 #define s3c2440_init NULL
+#define s3c2440_map_io NULL
 #endif
 
 #ifdef CONFIG_CPU_S3C2442
 extern  int s3c2442_init(void);
+
+extern void s3c2442_map_io(void);
 #else
 #define s3c2442_init NULL
+#define s3c2442_map_io NULL
 #endif
diff --git a/arch/arm/plat-samsung/gpio-config.c b/arch/arm/plat-samsung/gpio-config.c
index b732b77..0aa32f2 100644
--- a/arch/arm/plat-samsung/gpio-config.c
+++ b/arch/arm/plat-samsung/gpio-config.c
@@ -280,18 +280,17 @@
 }
 #endif
 
-#ifdef CONFIG_S3C_GPIO_PULL_UP
-int s3c_gpio_setpull_1up(struct s3c_gpio_chip *chip,
-			 unsigned int off, s3c_gpio_pull_t pull)
+#if defined(CONFIG_S3C_GPIO_PULL_UP) || defined(CONFIG_S3C_GPIO_PULL_DOWN)
+static int s3c_gpio_setpull_1(struct s3c_gpio_chip *chip,
+			 unsigned int off, s3c_gpio_pull_t pull,
+			 s3c_gpio_pull_t updown)
 {
 	void __iomem *reg = chip->base + 0x08;
 	u32 pup = __raw_readl(reg);
 
-	pup = __raw_readl(reg);
-
-	if (pup == S3C_GPIO_PULL_UP)
+	if (pull == updown)
 		pup &= ~(1 << off);
-	else if (pup == S3C_GPIO_PULL_NONE)
+	else if (pull == S3C_GPIO_PULL_NONE)
 		pup |= (1 << off);
 	else
 		return -EINVAL;
@@ -300,17 +299,45 @@
 	return 0;
 }
 
-s3c_gpio_pull_t s3c_gpio_getpull_1up(struct s3c_gpio_chip *chip,
-				     unsigned int off)
+static s3c_gpio_pull_t s3c_gpio_getpull_1(struct s3c_gpio_chip *chip,
+				     unsigned int off, s3c_gpio_pull_t updown)
 {
 	void __iomem *reg = chip->base + 0x08;
 	u32 pup = __raw_readl(reg);
 
 	pup &= (1 << off);
-	return pup ? S3C_GPIO_PULL_NONE : S3C_GPIO_PULL_UP;
+	return pup ? S3C_GPIO_PULL_NONE : updown;
+}
+#endif /* CONFIG_S3C_GPIO_PULL_UP || CONFIG_S3C_GPIO_PULL_DOWN */
+
+#ifdef CONFIG_S3C_GPIO_PULL_UP
+s3c_gpio_pull_t s3c_gpio_getpull_1up(struct s3c_gpio_chip *chip,
+				     unsigned int off)
+{
+	return s3c_gpio_getpull_1(chip, off, S3C_GPIO_PULL_UP);
+}
+
+int s3c_gpio_setpull_1up(struct s3c_gpio_chip *chip,
+			 unsigned int off, s3c_gpio_pull_t pull)
+{
+	return s3c_gpio_setpull_1(chip, off, pull, S3C_GPIO_PULL_UP);
 }
 #endif /* CONFIG_S3C_GPIO_PULL_UP */
 
+#ifdef CONFIG_S3C_GPIO_PULL_DOWN
+s3c_gpio_pull_t s3c_gpio_getpull_1down(struct s3c_gpio_chip *chip,
+				     unsigned int off)
+{
+	return s3c_gpio_getpull_1(chip, off, S3C_GPIO_PULL_DOWN);
+}
+
+int s3c_gpio_setpull_1down(struct s3c_gpio_chip *chip,
+			 unsigned int off, s3c_gpio_pull_t pull)
+{
+	return s3c_gpio_setpull_1(chip, off, pull, S3C_GPIO_PULL_DOWN);
+}
+#endif /* CONFIG_S3C_GPIO_PULL_DOWN */
+
 #ifdef CONFIG_S5P_GPIO_DRVSTR
 s5p_gpio_drvstr_t s5p_gpio_get_drvstr(unsigned int pin)
 {
diff --git a/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h b/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h
index 8fd65d8..0d2c570 100644
--- a/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h
+++ b/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h
@@ -210,6 +210,17 @@
 					    unsigned int off);
 
 /**
+ * s3c_gpio_getpull_1down() - Get configuration for choice of down or none
+ * @chip: The gpio chip that the GPIO pin belongs to
+ * @off: The offset to the pin to get the configuration of.
+ *
+ * This helper function reads the state of the pull-down resistor for the
+ * given GPIO in the same case as s3c_gpio_setpull_1down.
+*/
+extern s3c_gpio_pull_t s3c_gpio_getpull_1down(struct s3c_gpio_chip *chip,
+					    unsigned int off);
+
+/**
  * s3c_gpio_setpull_s3c2443() - Pull configuration for s3c2443.
  * @chip: The gpio chip that is being configured.
  * @off: The offset for the GPIO being configured.
diff --git a/arch/mn10300/kernel/gdb-io-serial.c b/arch/mn10300/kernel/gdb-io-serial.c
index 0d5d63c..f28dc99 100644
--- a/arch/mn10300/kernel/gdb-io-serial.c
+++ b/arch/mn10300/kernel/gdb-io-serial.c
@@ -73,7 +73,8 @@
 	GDBPORT_SERIAL_IER = UART_IER_RDI | UART_IER_RLSI;
 
 	/* permit level 0 IRQs to take place */
-	local_change_intr_mask_level(NUM2EPSW_IM(CONFIG_GDBSTUB_IRQ_LEVEL + 1));
+	arch_local_change_intr_mask_level(
+		NUM2EPSW_IM(CONFIG_GDBSTUB_IRQ_LEVEL + 1));
 }
 
 /*
diff --git a/arch/mn10300/kernel/gdb-io-ttysm.c b/arch/mn10300/kernel/gdb-io-ttysm.c
index 97dfda2..abdeea1 100644
--- a/arch/mn10300/kernel/gdb-io-ttysm.c
+++ b/arch/mn10300/kernel/gdb-io-ttysm.c
@@ -87,7 +87,8 @@
 	tmp = *gdbstub_port->_control;
 
 	/* permit level 0 IRQs only */
-	local_change_intr_mask_level(NUM2EPSW_IM(CONFIG_GDBSTUB_IRQ_LEVEL + 1));
+	arch_local_change_intr_mask_level(
+		NUM2EPSW_IM(CONFIG_GDBSTUB_IRQ_LEVEL + 1));
 }
 
 /*
diff --git a/arch/mn10300/kernel/gdb-stub.c b/arch/mn10300/kernel/gdb-stub.c
index a5fc3f0..b169d99 100644
--- a/arch/mn10300/kernel/gdb-stub.c
+++ b/arch/mn10300/kernel/gdb-stub.c
@@ -1194,7 +1194,8 @@
 
 	asm volatile("mov mdr,%0" : "=d"(mdr));
 	local_save_flags(epsw);
-	local_change_intr_mask_level(NUM2EPSW_IM(CONFIG_GDBSTUB_IRQ_LEVEL + 1));
+	arch_local_change_intr_mask_level(
+		NUM2EPSW_IM(CONFIG_GDBSTUB_IRQ_LEVEL + 1));
 
 	gdbstub_store_fpu();
 
diff --git a/arch/s390/kernel/vtime.c b/arch/s390/kernel/vtime.c
index 56c8687..7eff9b7 100644
--- a/arch/s390/kernel/vtime.c
+++ b/arch/s390/kernel/vtime.c
@@ -19,6 +19,7 @@
 #include <linux/kernel_stat.h>
 #include <linux/rcupdate.h>
 #include <linux/posix-timers.h>
+#include <linux/cpu.h>
 
 #include <asm/s390_ext.h>
 #include <asm/timer.h>
@@ -566,6 +567,23 @@
 	__ctl_set_bit(0,10);
 }
 
+static int __cpuinit s390_nohz_notify(struct notifier_block *self,
+				      unsigned long action, void *hcpu)
+{
+	struct s390_idle_data *idle;
+	long cpu = (long) hcpu;
+
+	idle = &per_cpu(s390_idle, cpu);
+	switch (action) {
+	case CPU_DYING:
+	case CPU_DYING_FROZEN:
+		idle->nohz_delay = 0;
+	default:
+		break;
+	}
+	return NOTIFY_OK;
+}
+
 void __init vtime_init(void)
 {
 	/* request the cpu timer external interrupt */
@@ -574,5 +592,6 @@
 
 	/* Enable cpu timer interrupts on the boot cpu. */
 	init_cpu_vtimer();
+	cpu_notifier(s390_nohz_notify, 0);
 }
 
diff --git a/arch/x86/include/asm/pvclock.h b/arch/x86/include/asm/pvclock.h
index 7f7e577..31d84ac 100644
--- a/arch/x86/include/asm/pvclock.h
+++ b/arch/x86/include/asm/pvclock.h
@@ -11,6 +11,7 @@
 void pvclock_read_wallclock(struct pvclock_wall_clock *wall,
 			    struct pvclock_vcpu_time_info *vcpu,
 			    struct timespec *ts);
+void pvclock_resume(void);
 
 /*
  * Scale a 64-bit delta by scaling and multiplying by a 32-bit fraction,
diff --git a/arch/x86/kernel/pvclock.c b/arch/x86/kernel/pvclock.c
index 008b91e..42eb330 100644
--- a/arch/x86/kernel/pvclock.c
+++ b/arch/x86/kernel/pvclock.c
@@ -83,6 +83,11 @@
 
 static atomic64_t last_value = ATOMIC64_INIT(0);
 
+void pvclock_resume(void)
+{
+	atomic64_set(&last_value, 0);
+}
+
 cycle_t pvclock_clocksource_read(struct pvclock_vcpu_time_info *src)
 {
 	struct pvclock_shadow_time shadow;
diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c
index b2bb5aa..5da5e53 100644
--- a/arch/x86/xen/time.c
+++ b/arch/x86/xen/time.c
@@ -426,6 +426,8 @@
 {
 	int cpu;
 
+	pvclock_resume();
+
 	if (xen_clockevent != &xen_vcpuop_clockevent)
 		return;
 
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index 9272c38..16a2847 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -812,8 +812,10 @@
 
 static void i830_cleanup(void)
 {
-	kunmap(intel_private.i8xx_page);
-	intel_private.i8xx_flush_page = NULL;
+	if (intel_private.i8xx_flush_page) {
+		kunmap(intel_private.i8xx_flush_page);
+		intel_private.i8xx_flush_page = NULL;
+	}
 
 	__free_page(intel_private.i8xx_page);
 	intel_private.i8xx_page = NULL;
diff --git a/drivers/dma/Makefile b/drivers/dma/Makefile
index a8a84f4..64b21f5 100644
--- a/drivers/dma/Makefile
+++ b/drivers/dma/Makefile
@@ -1,8 +1,8 @@
 ifeq ($(CONFIG_DMADEVICES_DEBUG),y)
-	EXTRA_CFLAGS	+= -DDEBUG
+	ccflags-y	+= -DDEBUG
 endif
 ifeq ($(CONFIG_DMADEVICES_VDEBUG),y)
-	EXTRA_CFLAGS	+= -DVERBOSE_DEBUG
+	ccflags-y	+= -DVERBOSE_DEBUG
 endif
 
 obj-$(CONFIG_DMA_ENGINE) += dmaengine.o
diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
index a0f3e6a..ea0ee81 100644
--- a/drivers/dma/at_hdmac.c
+++ b/drivers/dma/at_hdmac.c
@@ -722,7 +722,7 @@
 			desc->lli.daddr = mem;
 			desc->lli.ctrla = ctrla
 					| ATC_DST_WIDTH(mem_width)
-					| len >> mem_width;
+					| len >> reg_width;
 			desc->lli.ctrlb = ctrlb;
 
 			if (!first) {
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index 286c3ac..e5e172d2 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -50,9 +50,11 @@
 		 * EIE - Error interrupt enable
 		 * EOSIE - End of segments interrupt enable (basic mode)
 		 * EOLNIE - End of links interrupt enable
+		 * BWC - Bandwidth sharing among channels
 		 */
-		DMA_OUT(chan, &chan->regs->mr, FSL_DMA_MR_EIE
-				| FSL_DMA_MR_EOLNIE | FSL_DMA_MR_EOSIE, 32);
+		DMA_OUT(chan, &chan->regs->mr, FSL_DMA_MR_BWC
+				| FSL_DMA_MR_EIE | FSL_DMA_MR_EOLNIE
+				| FSL_DMA_MR_EOSIE, 32);
 		break;
 	case FSL_DMA_IP_83XX:
 		/* Set the channel to below modes:
diff --git a/drivers/dma/fsldma.h b/drivers/dma/fsldma.h
index cb4d6ff..ba9f403 100644
--- a/drivers/dma/fsldma.h
+++ b/drivers/dma/fsldma.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007 Freescale Semiconductor, Inc. All rights reserved.
+ * Copyright (C) 2007-2010 Freescale Semiconductor, Inc. All rights reserved.
  *
  * Author:
  *   Zhang Wei <wei.zhang@freescale.com>, Jul 2007
@@ -36,6 +36,13 @@
 #define FSL_DMA_MR_DAHE		0x00002000
 #define FSL_DMA_MR_SAHE		0x00001000
 
+/*
+ * Bandwidth/pause control determines how many bytes a given
+ * channel is allowed to transfer before the DMA engine pauses
+ * the current channel and switches to the next channel
+ */
+#define FSL_DMA_MR_BWC         0x08000000
+
 /* Special MR definition for MPC8349 */
 #define FSL_DMA_MR_EOTIE	0x00000080
 #define FSL_DMA_MR_PRC_RM	0x00000800
diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c
index f629e49..e53d438 100644
--- a/drivers/dma/imx-dma.c
+++ b/drivers/dma/imx-dma.c
@@ -379,7 +379,7 @@
 	return 0;
 
 err_init:
-	while (i-- >= 0) {
+	while (--i >= 0) {
 		struct imxdma_channel *imxdmac = &imxdma->channel[i];
 		imx_dma_free(imxdmac->imxdma_channel);
 	}
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index 0834323..d0602dd 100644
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -951,7 +951,7 @@
 		struct sdma_buffer_descriptor *bd = &sdmac->bd[i];
 		int param;
 
-		bd->buffer_addr = sgl->dma_address;
+		bd->buffer_addr = sg->dma_address;
 
 		count = sg->length;
 
@@ -1385,7 +1385,7 @@
 {
 	return platform_driver_probe(&sdma_driver, sdma_probe);
 }
-subsys_initcall(sdma_module_init);
+module_init(sdma_module_init);
 
 MODULE_AUTHOR("Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>");
 MODULE_DESCRIPTION("i.MX SDMA driver");
diff --git a/drivers/dma/intel_mid_dma.c b/drivers/dma/intel_mid_dma.c
index 338bc4e..3109bd9 100644
--- a/drivers/dma/intel_mid_dma.c
+++ b/drivers/dma/intel_mid_dma.c
@@ -1075,7 +1075,6 @@
 	if (NULL == dma->dma_pool) {
 		pr_err("ERR_MDMA:pci_pool_create failed\n");
 		err = -ENOMEM;
-		kfree(dma);
 		goto err_dma_pool;
 	}
 
@@ -1186,7 +1185,6 @@
 	free_irq(pdev->irq, dma);
 err_irq:
 	pci_pool_destroy(dma->dma_pool);
-	kfree(dma);
 err_dma_pool:
 	pr_err("ERR_MDMA:setup_dma failed: %d\n", err);
 	return err;
@@ -1413,7 +1411,7 @@
 	.runtime_idle = dma_runtime_idle,
 };
 
-static struct pci_driver intel_mid_dma_pci = {
+static struct pci_driver intel_mid_dma_pci_driver = {
 	.name		=	"Intel MID DMA",
 	.id_table	=	intel_mid_dma_ids,
 	.probe		=	intel_mid_dma_probe,
@@ -1431,13 +1429,13 @@
 {
 	pr_debug("INFO_MDMA: LNW DMA Driver Version %s\n",
 			INTEL_MID_DMA_DRIVER_VERSION);
-	return pci_register_driver(&intel_mid_dma_pci);
+	return pci_register_driver(&intel_mid_dma_pci_driver);
 }
 fs_initcall(intel_mid_dma_init);
 
 static void __exit intel_mid_dma_exit(void)
 {
-	pci_unregister_driver(&intel_mid_dma_pci);
+	pci_unregister_driver(&intel_mid_dma_pci_driver);
 }
 module_exit(intel_mid_dma_exit);
 
diff --git a/drivers/dma/ioat/Makefile b/drivers/dma/ioat/Makefile
index 8997d3f..0ff7270 100644
--- a/drivers/dma/ioat/Makefile
+++ b/drivers/dma/ioat/Makefile
@@ -1,2 +1,2 @@
 obj-$(CONFIG_INTEL_IOATDMA) += ioatdma.o
-ioatdma-objs := pci.o dma.o dma_v2.o dma_v3.o dca.o
+ioatdma-y := pci.o dma.o dma_v2.o dma_v3.o dca.o
diff --git a/drivers/dma/pch_dma.c b/drivers/dma/pch_dma.c
index 92b6790..c064c89 100644
--- a/drivers/dma/pch_dma.c
+++ b/drivers/dma/pch_dma.c
@@ -259,11 +259,6 @@
 		return;
 	}
 
-	channel_writel(pd_chan, DEV_ADDR, desc->regs.dev_addr);
-	channel_writel(pd_chan, MEM_ADDR, desc->regs.mem_addr);
-	channel_writel(pd_chan, SIZE, desc->regs.size);
-	channel_writel(pd_chan, NEXT, desc->regs.next);
-
 	dev_dbg(chan2dev(&pd_chan->chan), "chan %d -> dev_addr: %x\n",
 		pd_chan->chan.chan_id, desc->regs.dev_addr);
 	dev_dbg(chan2dev(&pd_chan->chan), "chan %d -> mem_addr: %x\n",
@@ -273,10 +268,16 @@
 	dev_dbg(chan2dev(&pd_chan->chan), "chan %d -> next: %x\n",
 		pd_chan->chan.chan_id, desc->regs.next);
 
-	if (list_empty(&desc->tx_list))
+	if (list_empty(&desc->tx_list)) {
+		channel_writel(pd_chan, DEV_ADDR, desc->regs.dev_addr);
+		channel_writel(pd_chan, MEM_ADDR, desc->regs.mem_addr);
+		channel_writel(pd_chan, SIZE, desc->regs.size);
+		channel_writel(pd_chan, NEXT, desc->regs.next);
 		pdc_set_mode(&pd_chan->chan, DMA_CTL0_ONESHOT);
-	else
+	} else {
+		channel_writel(pd_chan, NEXT, desc->txd.phys);
 		pdc_set_mode(&pd_chan->chan, DMA_CTL0_SG);
+	}
 
 	val = dma_readl(pd, CTL2);
 	val |= 1 << (DMA_CTL2_START_SHIFT_BITS + pd_chan->chan.chan_id);
diff --git a/drivers/dma/ppc4xx/adma.c b/drivers/dma/ppc4xx/adma.c
index 0d58a4a..cef5845 100644
--- a/drivers/dma/ppc4xx/adma.c
+++ b/drivers/dma/ppc4xx/adma.c
@@ -4449,9 +4449,8 @@
 
 	if (!request_mem_region(res.start, resource_size(&res),
 				dev_driver_string(&ofdev->dev))) {
-		dev_err(&ofdev->dev, "failed to request memory region "
-			"(0x%016llx-0x%016llx)\n",
-			(u64)res.start, (u64)res.end);
+		dev_err(&ofdev->dev, "failed to request memory region %pR\n",
+			&res);
 		initcode = PPC_ADMA_INIT_MEMREG;
 		ret = -EBUSY;
 		goto out;
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 8521401..eca9ba1 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -1572,7 +1572,7 @@
 	debugf1("   HoleOffset=0x%x  HoleValid=0x%x IntlvSel=0x%x\n",
 			hole_off, hole_valid, intlv_sel);
 
-	if (intlv_en ||
+	if (intlv_en &&
 	    (intlv_sel != ((sys_addr >> 12) & intlv_en)))
 		return -EINVAL;
 
diff --git a/drivers/edac/edac_core.h b/drivers/edac/edac_core.h
index d7ca43a..251440c 100644
--- a/drivers/edac/edac_core.h
+++ b/drivers/edac/edac_core.h
@@ -41,10 +41,10 @@
 #define MC_PROC_NAME_MAX_LEN	7
 
 #if PAGE_SHIFT < 20
-#define PAGES_TO_MiB( pages )	( ( pages ) >> ( 20 - PAGE_SHIFT ) )
-#define MiB_TO_PAGES(mb)	((mb) >> (20 - PAGE_SHIFT))
+#define PAGES_TO_MiB(pages)	((pages) >> (20 - PAGE_SHIFT))
+#define MiB_TO_PAGES(mb)	((mb) << (20 - PAGE_SHIFT))
 #else				/* PAGE_SHIFT > 20 */
-#define PAGES_TO_MiB( pages )	( ( pages ) << ( PAGE_SHIFT - 20 ) )
+#define PAGES_TO_MiB(pages)	((pages) << (PAGE_SHIFT - 20))
 #define MiB_TO_PAGES(mb)	((mb) >> (PAGE_SHIFT - 20))
 #endif
 
diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
index ba6586a..795ea69 100644
--- a/drivers/edac/edac_mc.c
+++ b/drivers/edac/edac_mc.c
@@ -586,14 +586,16 @@
 		return NULL;
 	}
 
-	/* marking MCI offline */
-	mci->op_state = OP_OFFLINE;
-
 	del_mc_from_global_list(mci);
 	mutex_unlock(&mem_ctls_mutex);
 
-	/* flush workq processes and remove sysfs */
+	/* flush workq processes */
 	edac_mc_workq_teardown(mci);
+
+	/* marking MCI offline */
+	mci->op_state = OP_OFFLINE;
+
+	/* remove from sysfs */
 	edac_remove_sysfs_mci_device(mci);
 
 	edac_printk(KERN_INFO, EDAC_MC,
diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c
index 84eb607..e3c8b60 100644
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -242,6 +242,7 @@
 
 static char ohci_driver_name[] = KBUILD_MODNAME;
 
+#define PCI_DEVICE_ID_AGERE_FW643	0x5901
 #define PCI_DEVICE_ID_JMICRON_JMB38X_FW	0x2380
 #define PCI_DEVICE_ID_TI_TSB12LV22	0x8009
 
@@ -253,18 +254,34 @@
 
 /* In case of multiple matches in ohci_quirks[], only the first one is used. */
 static const struct {
-	unsigned short vendor, device, flags;
+	unsigned short vendor, device, revision, flags;
 } ohci_quirks[] = {
-	{PCI_VENDOR_ID_TI,	PCI_DEVICE_ID_TI_TSB12LV22, QUIRK_CYCLE_TIMER |
-							    QUIRK_RESET_PACKET |
-							    QUIRK_NO_1394A},
-	{PCI_VENDOR_ID_TI,	PCI_ANY_ID,	QUIRK_RESET_PACKET},
-	{PCI_VENDOR_ID_AL,	PCI_ANY_ID,	QUIRK_CYCLE_TIMER},
-	{PCI_VENDOR_ID_JMICRON,	PCI_DEVICE_ID_JMICRON_JMB38X_FW, QUIRK_NO_MSI},
-	{PCI_VENDOR_ID_NEC,	PCI_ANY_ID,	QUIRK_CYCLE_TIMER},
-	{PCI_VENDOR_ID_VIA,	PCI_ANY_ID,	QUIRK_CYCLE_TIMER},
-	{PCI_VENDOR_ID_RICOH,	PCI_ANY_ID,	QUIRK_CYCLE_TIMER},
-	{PCI_VENDOR_ID_APPLE,	PCI_DEVICE_ID_APPLE_UNI_N_FW, QUIRK_BE_HEADERS},
+	{PCI_VENDOR_ID_AL, PCI_ANY_ID, PCI_ANY_ID,
+		QUIRK_CYCLE_TIMER},
+
+	{PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_UNI_N_FW, PCI_ANY_ID,
+		QUIRK_BE_HEADERS},
+
+	{PCI_VENDOR_ID_ATT, PCI_DEVICE_ID_AGERE_FW643, 6,
+		QUIRK_NO_MSI},
+
+	{PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB38X_FW, PCI_ANY_ID,
+		QUIRK_NO_MSI},
+
+	{PCI_VENDOR_ID_NEC, PCI_ANY_ID, PCI_ANY_ID,
+		QUIRK_CYCLE_TIMER},
+
+	{PCI_VENDOR_ID_RICOH, PCI_ANY_ID, PCI_ANY_ID,
+		QUIRK_CYCLE_TIMER},
+
+	{PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_TSB12LV22, PCI_ANY_ID,
+		QUIRK_CYCLE_TIMER | QUIRK_RESET_PACKET | QUIRK_NO_1394A},
+
+	{PCI_VENDOR_ID_TI, PCI_ANY_ID, PCI_ANY_ID,
+		QUIRK_RESET_PACKET},
+
+	{PCI_VENDOR_ID_VIA, PCI_ANY_ID, PCI_ANY_ID,
+		QUIRK_CYCLE_TIMER | QUIRK_NO_MSI},
 };
 
 /* This overrides anything that was found in ohci_quirks[]. */
@@ -2927,9 +2944,11 @@
 	}
 
 	for (i = 0; i < ARRAY_SIZE(ohci_quirks); i++)
-		if (ohci_quirks[i].vendor == dev->vendor &&
-		    (ohci_quirks[i].device == dev->device ||
-		     ohci_quirks[i].device == (unsigned short)PCI_ANY_ID)) {
+		if ((ohci_quirks[i].vendor == dev->vendor) &&
+		    (ohci_quirks[i].device == (unsigned short)PCI_ANY_ID ||
+		     ohci_quirks[i].device == dev->device) &&
+		    (ohci_quirks[i].revision == (unsigned short)PCI_ANY_ID ||
+		     ohci_quirks[i].revision >= dev->revision)) {
 			ohci->quirks = ohci_quirks[i].flags;
 			break;
 		}
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 6985cb1..2baa670 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -156,12 +156,12 @@
 	{ DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO", 0 },
 	{ DRM_MODE_CONNECTOR_LVDS, "LVDS", 0 },
 	{ DRM_MODE_CONNECTOR_Component, "Component", 0 },
-	{ DRM_MODE_CONNECTOR_9PinDIN, "9-pin DIN", 0 },
-	{ DRM_MODE_CONNECTOR_DisplayPort, "DisplayPort", 0 },
-	{ DRM_MODE_CONNECTOR_HDMIA, "HDMI Type A", 0 },
-	{ DRM_MODE_CONNECTOR_HDMIB, "HDMI Type B", 0 },
+	{ DRM_MODE_CONNECTOR_9PinDIN, "DIN", 0 },
+	{ DRM_MODE_CONNECTOR_DisplayPort, "DP", 0 },
+	{ DRM_MODE_CONNECTOR_HDMIA, "HDMI-A", 0 },
+	{ DRM_MODE_CONNECTOR_HDMIB, "HDMI-B", 0 },
 	{ DRM_MODE_CONNECTOR_TV, "TV", 0 },
-	{ DRM_MODE_CONNECTOR_eDP, "Embedded DisplayPort", 0 },
+	{ DRM_MODE_CONNECTOR_eDP, "eDP", 0 },
 };
 
 static struct drm_prop_enum_list drm_encoder_enum_list[] =
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index 7ca5935..bede10a 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -241,7 +241,7 @@
 	}
 
 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
-		if (!drm_helper_encoder_in_use(encoder)) {
+		if (encoder->crtc && !drm_helper_encoder_in_use(encoder)) {
 			drm_encoder_disable(encoder);
 			/* disconnector encoder from any connector */
 			encoder->crtc = NULL;
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index 9d3a503..16d5155 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -585,10 +585,13 @@
 	struct timeval now;
 	unsigned long flags;
 	unsigned int seq;
+	int ret;
 
 	e = kzalloc(sizeof *e, GFP_KERNEL);
-	if (e == NULL)
-		return -ENOMEM;
+	if (e == NULL) {
+		ret = -ENOMEM;
+		goto err_put;
+	}
 
 	e->pipe = pipe;
 	e->base.pid = current->pid;
@@ -603,9 +606,8 @@
 	spin_lock_irqsave(&dev->event_lock, flags);
 
 	if (file_priv->event_space < sizeof e->event) {
-		spin_unlock_irqrestore(&dev->event_lock, flags);
-		kfree(e);
-		return -ENOMEM;
+		ret = -EBUSY;
+		goto err_unlock;
 	}
 
 	file_priv->event_space -= sizeof e->event;
@@ -626,7 +628,7 @@
 	if ((seq - vblwait->request.sequence) <= (1 << 23)) {
 		e->event.tv_sec = now.tv_sec;
 		e->event.tv_usec = now.tv_usec;
-		drm_vblank_put(dev, e->pipe);
+		drm_vblank_put(dev, pipe);
 		list_add_tail(&e->base.link, &e->base.file_priv->event_list);
 		wake_up_interruptible(&e->base.file_priv->event_wait);
 		trace_drm_vblank_event_delivered(current->pid, pipe,
@@ -638,6 +640,13 @@
 	spin_unlock_irqrestore(&dev->event_lock, flags);
 
 	return 0;
+
+err_unlock:
+	spin_unlock_irqrestore(&dev->event_lock, flags);
+	kfree(e);
+err_put:
+	drm_vblank_put(dev, pipe);
+	return ret;
 }
 
 /**
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 7a26f4dd..e680081 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -767,6 +767,9 @@
 	case I915_PARAM_HAS_BLT:
 		value = HAS_BLT(dev);
 		break;
+	case I915_PARAM_HAS_COHERENT_RINGS:
+		value = 1;
+		break;
 	default:
 		DRM_DEBUG_DRIVER("Unknown parameter %d\n",
 				 param->param);
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 5e54821..275ec6e 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -4374,10 +4374,20 @@
 		 * use this buffer rather sooner than later, so issuing the required
 		 * flush earlier is beneficial.
 		 */
-		if (obj->write_domain & I915_GEM_GPU_DOMAINS)
+		if (obj->write_domain & I915_GEM_GPU_DOMAINS) {
 			i915_gem_flush_ring(dev, file_priv,
 					    obj_priv->ring,
 					    0, obj->write_domain);
+		} else if (obj_priv->ring->outstanding_lazy_request) {
+			/* This ring is not being cleared by active usage,
+			 * so emit a request to do so.
+			 */
+			u32 seqno = i915_add_request(dev,
+						     NULL, NULL,
+						     obj_priv->ring);
+			if (seqno == 0)
+				ret = -ENOMEM;
+		}
 
 		/* Update the active list for the hardware's current position.
 		 * Otherwise this only updates on a delayed timer or when irqs
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 25ed911..878fc76 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -3033,6 +3033,7 @@
 #define  TRANS_DP_10BPC		(1<<9)
 #define  TRANS_DP_6BPC		(2<<9)
 #define  TRANS_DP_12BPC		(3<<9)
+#define  TRANS_DP_BPC_MASK	(3<<9)
 #define  TRANS_DP_VSYNC_ACTIVE_HIGH	(1<<4)
 #define  TRANS_DP_VSYNC_ACTIVE_LOW	0
 #define  TRANS_DP_HSYNC_ACTIVE_HIGH	(1<<3)
diff --git a/drivers/gpu/drm/i915/intel_acpi.c b/drivers/gpu/drm/i915/intel_acpi.c
index 65c88f9..2cb8e0b 100644
--- a/drivers/gpu/drm/i915/intel_acpi.c
+++ b/drivers/gpu/drm/i915/intel_acpi.c
@@ -190,37 +190,6 @@
 	kfree(output.pointer);
 }
 
-static int intel_dsm_switchto(enum vga_switcheroo_client_id id)
-{
-	return 0;
-}
-
-static int intel_dsm_power_state(enum vga_switcheroo_client_id id,
-				 enum vga_switcheroo_state state)
-{
-	return 0;
-}
-
-static int intel_dsm_init(void)
-{
-	return 0;
-}
-
-static int intel_dsm_get_client_id(struct pci_dev *pdev)
-{
-	if (intel_dsm_priv.dhandle == DEVICE_ACPI_HANDLE(&pdev->dev))
-		return VGA_SWITCHEROO_IGD;
-	else
-		return VGA_SWITCHEROO_DIS;
-}
-
-static struct vga_switcheroo_handler intel_dsm_handler = {
-	.switchto = intel_dsm_switchto,
-	.power_state = intel_dsm_power_state,
-	.init = intel_dsm_init,
-	.get_client_id = intel_dsm_get_client_id,
-};
-
 static bool intel_dsm_pci_probe(struct pci_dev *pdev)
 {
 	acpi_handle dhandle, intel_handle;
@@ -276,11 +245,8 @@
 {
 	if (!intel_dsm_detect())
 		return;
-
-	vga_switcheroo_register_handler(&intel_dsm_handler);
 }
 
 void intel_unregister_dsm_handler(void)
 {
-	vga_switcheroo_unregister_handler();
 }
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 255b52e..d9b7092 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2120,9 +2120,11 @@
 		reg = TRANS_DP_CTL(pipe);
 		temp = I915_READ(reg);
 		temp &= ~(TRANS_DP_PORT_SEL_MASK |
-			  TRANS_DP_SYNC_MASK);
+			  TRANS_DP_SYNC_MASK |
+			  TRANS_DP_BPC_MASK);
 		temp |= (TRANS_DP_OUTPUT_ENABLE |
 			 TRANS_DP_ENH_FRAMING);
+		temp |= TRANS_DP_8BPC;
 
 		if (crtc->mode.flags & DRM_MODE_FLAG_PHSYNC)
 			temp |= TRANS_DP_HSYNC_ACTIVE_HIGH;
@@ -2712,27 +2714,19 @@
 	}
 }
 
-#define DATA_N 0x800000
-#define LINK_N 0x80000
-
 static void
 ironlake_compute_m_n(int bits_per_pixel, int nlanes, int pixel_clock,
 		     int link_clock, struct fdi_m_n *m_n)
 {
-	u64 temp;
-
 	m_n->tu = 64; /* default size */
 
-	temp = (u64) DATA_N * pixel_clock;
-	temp = div_u64(temp, link_clock);
-	m_n->gmch_m = div_u64(temp * bits_per_pixel, nlanes);
-	m_n->gmch_m >>= 3; /* convert to bytes_per_pixel */
-	m_n->gmch_n = DATA_N;
+	/* BUG_ON(pixel_clock > INT_MAX / 36); */
+	m_n->gmch_m = bits_per_pixel * pixel_clock;
+	m_n->gmch_n = link_clock * nlanes * 8;
 	fdi_reduce_ratio(&m_n->gmch_m, &m_n->gmch_n);
 
-	temp = (u64) LINK_N * pixel_clock;
-	m_n->link_m = div_u64(temp, link_clock);
-	m_n->link_n = LINK_N;
+	m_n->link_m = pixel_clock;
+	m_n->link_n = link_clock;
 	fdi_reduce_ratio(&m_n->link_m, &m_n->link_n);
 }
 
@@ -3716,6 +3710,7 @@
 
 	/* FDI link */
 	if (HAS_PCH_SPLIT(dev)) {
+		int pixel_multiplier = intel_mode_get_pixel_multiplier(adjusted_mode);
 		int lane = 0, link_bw, bpp;
 		/* CPU eDP doesn't require FDI link, so just set DP M/N
 		   according to current link config */
@@ -3799,6 +3794,8 @@
 
 		intel_crtc->fdi_lanes = lane;
 
+		if (pixel_multiplier > 1)
+			link_bw *= pixel_multiplier;
 		ironlake_compute_m_n(bpp, lane, target_clock, link_bw, &m_n);
 	}
 
@@ -5236,6 +5233,55 @@
 	.page_flip = intel_crtc_page_flip,
 };
 
+static void intel_sanitize_modesetting(struct drm_device *dev,
+				       int pipe, int plane)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	u32 reg, val;
+
+	if (HAS_PCH_SPLIT(dev))
+		return;
+
+	/* Who knows what state these registers were left in by the BIOS or
+	 * grub?
+	 *
+	 * If we leave the registers in a conflicting state (e.g. with the
+	 * display plane reading from the other pipe than the one we intend
+	 * to use) then when we attempt to teardown the active mode, we will
+	 * not disable the pipes and planes in the correct order -- leaving
+	 * a plane reading from a disabled pipe and possibly leading to
+	 * undefined behaviour.
+	 */
+
+	reg = DSPCNTR(plane);
+	val = I915_READ(reg);
+
+	if ((val & DISPLAY_PLANE_ENABLE) == 0)
+		return;
+	if (!!(val & DISPPLANE_SEL_PIPE_MASK) == pipe)
+		return;
+
+	/* This display plane is active and attached to the other CPU pipe. */
+	pipe = !pipe;
+
+	/* Disable the plane and wait for it to stop reading from the pipe. */
+	I915_WRITE(reg, val & ~DISPLAY_PLANE_ENABLE);
+	intel_flush_display_plane(dev, plane);
+
+	if (IS_GEN2(dev))
+		intel_wait_for_vblank(dev, pipe);
+
+	if (pipe == 0 && (dev_priv->quirks & QUIRK_PIPEA_FORCE))
+		return;
+
+	/* Switch off the pipe. */
+	reg = PIPECONF(pipe);
+	val = I915_READ(reg);
+	if (val & PIPECONF_ENABLE) {
+		I915_WRITE(reg, val & ~PIPECONF_ENABLE);
+		intel_wait_for_pipe_off(dev, pipe);
+	}
+}
 
 static void intel_crtc_init(struct drm_device *dev, int pipe)
 {
@@ -5287,6 +5333,8 @@
 
 	setup_timer(&intel_crtc->idle_timer, intel_crtc_idle_timer,
 		    (unsigned long)intel_crtc);
+
+	intel_sanitize_modesetting(dev, intel_crtc->pipe, intel_crtc->plane);
 }
 
 int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data,
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 300f64b..df648cb 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1376,6 +1376,9 @@
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	uint32_t DP = intel_dp->DP;
 
+	if ((I915_READ(intel_dp->output_reg) & DP_PORT_EN) == 0)
+		return;
+
 	DRM_DEBUG_KMS("\n");
 
 	if (is_edp(intel_dp)) {
@@ -1398,6 +1401,28 @@
 
 	if (is_edp(intel_dp))
 		DP |= DP_LINK_TRAIN_OFF;
+
+	if (!HAS_PCH_CPT(dev) &&
+	    I915_READ(intel_dp->output_reg) & DP_PIPEB_SELECT) {
+		struct intel_crtc *intel_crtc = to_intel_crtc(intel_dp->base.base.crtc);
+		/* Hardware workaround: leaving our transcoder select
+		 * set to transcoder B while it's off will prevent the
+		 * corresponding HDMI output on transcoder A.
+		 *
+		 * Combine this with another hardware workaround:
+		 * transcoder select bit can only be cleared while the
+		 * port is enabled.
+		 */
+		DP &= ~DP_PIPEB_SELECT;
+		I915_WRITE(intel_dp->output_reg, DP);
+
+		/* Changes to enable or select take place the vblank
+		 * after being written.
+		 */
+		intel_wait_for_vblank(intel_dp->base.base.dev,
+				      intel_crtc->pipe);
+	}
+
 	I915_WRITE(intel_dp->output_reg, DP & ~DP_PORT_EN);
 	POSTING_READ(intel_dp->output_reg);
 }
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index f79327f..25bcedf 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -68,7 +68,7 @@
 /**
  * Sets the power state for the panel.
  */
-static void intel_lvds_set_power(struct intel_lvds *intel_lvds, bool on)
+static void intel_lvds_enable(struct intel_lvds *intel_lvds)
 {
 	struct drm_device *dev = intel_lvds->base.base.dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
@@ -82,26 +82,61 @@
 		lvds_reg = LVDS;
 	}
 
-	if (on) {
-		I915_WRITE(lvds_reg, I915_READ(lvds_reg) | LVDS_PORT_EN);
-		I915_WRITE(ctl_reg, I915_READ(ctl_reg) | POWER_TARGET_ON);
-		intel_panel_set_backlight(dev, dev_priv->backlight_level);
-	} else {
-		dev_priv->backlight_level = intel_panel_get_backlight(dev);
+	I915_WRITE(lvds_reg, I915_READ(lvds_reg) | LVDS_PORT_EN);
 
-		intel_panel_set_backlight(dev, 0);
-		I915_WRITE(ctl_reg, I915_READ(ctl_reg) & ~POWER_TARGET_ON);
-
-		if (intel_lvds->pfit_control) {
-			if (wait_for((I915_READ(PP_STATUS) & PP_ON) == 0, 1000))
-				DRM_ERROR("timed out waiting for panel to power off\n");
-			I915_WRITE(PFIT_CONTROL, 0);
-			intel_lvds->pfit_control = 0;
+	if (intel_lvds->pfit_dirty) {
+		/*
+		 * Enable automatic panel scaling so that non-native modes
+		 * fill the screen.  The panel fitter should only be
+		 * adjusted whilst the pipe is disabled, according to
+		 * register description and PRM.
+		 */
+		DRM_DEBUG_KMS("applying panel-fitter: %x, %x\n",
+			      intel_lvds->pfit_control,
+			      intel_lvds->pfit_pgm_ratios);
+		if (wait_for((I915_READ(PP_STATUS) & PP_ON) == 0, 1000)) {
+			DRM_ERROR("timed out waiting for panel to power off\n");
+		} else {
+			I915_WRITE(PFIT_PGM_RATIOS, intel_lvds->pfit_pgm_ratios);
+			I915_WRITE(PFIT_CONTROL, intel_lvds->pfit_control);
 			intel_lvds->pfit_dirty = false;
 		}
-
-		I915_WRITE(lvds_reg, I915_READ(lvds_reg) & ~LVDS_PORT_EN);
 	}
+
+	I915_WRITE(ctl_reg, I915_READ(ctl_reg) | POWER_TARGET_ON);
+	POSTING_READ(lvds_reg);
+
+	intel_panel_set_backlight(dev, dev_priv->backlight_level);
+}
+
+static void intel_lvds_disable(struct intel_lvds *intel_lvds)
+{
+	struct drm_device *dev = intel_lvds->base.base.dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	u32 ctl_reg, lvds_reg;
+
+	if (HAS_PCH_SPLIT(dev)) {
+		ctl_reg = PCH_PP_CONTROL;
+		lvds_reg = PCH_LVDS;
+	} else {
+		ctl_reg = PP_CONTROL;
+		lvds_reg = LVDS;
+	}
+
+	dev_priv->backlight_level = intel_panel_get_backlight(dev);
+	intel_panel_set_backlight(dev, 0);
+
+	I915_WRITE(ctl_reg, I915_READ(ctl_reg) & ~POWER_TARGET_ON);
+
+	if (intel_lvds->pfit_control) {
+		if (wait_for((I915_READ(PP_STATUS) & PP_ON) == 0, 1000))
+			DRM_ERROR("timed out waiting for panel to power off\n");
+
+		I915_WRITE(PFIT_CONTROL, 0);
+		intel_lvds->pfit_dirty = true;
+	}
+
+	I915_WRITE(lvds_reg, I915_READ(lvds_reg) & ~LVDS_PORT_EN);
 	POSTING_READ(lvds_reg);
 }
 
@@ -110,9 +145,9 @@
 	struct intel_lvds *intel_lvds = to_intel_lvds(encoder);
 
 	if (mode == DRM_MODE_DPMS_ON)
-		intel_lvds_set_power(intel_lvds, true);
+		intel_lvds_enable(intel_lvds);
 	else
-		intel_lvds_set_power(intel_lvds, false);
+		intel_lvds_disable(intel_lvds);
 
 	/* XXX: We never power down the LVDS pairs. */
 }
@@ -411,43 +446,18 @@
 	/* Always do a full power on as we do not know what state
 	 * we were left in.
 	 */
-	intel_lvds_set_power(intel_lvds, true);
+	intel_lvds_enable(intel_lvds);
 }
 
 static void intel_lvds_mode_set(struct drm_encoder *encoder,
 				struct drm_display_mode *mode,
 				struct drm_display_mode *adjusted_mode)
 {
-	struct drm_device *dev = encoder->dev;
-	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct intel_lvds *intel_lvds = to_intel_lvds(encoder);
-
 	/*
 	 * The LVDS pin pair will already have been turned on in the
 	 * intel_crtc_mode_set since it has a large impact on the DPLL
 	 * settings.
 	 */
-
-	if (HAS_PCH_SPLIT(dev))
-		return;
-
-	if (!intel_lvds->pfit_dirty)
-		return;
-
-	/*
-	 * Enable automatic panel scaling so that non-native modes fill the
-	 * screen.  Should be enabled before the pipe is enabled, according to
-	 * register description and PRM.
-	 */
-	DRM_DEBUG_KMS("applying panel-fitter: %x, %x\n",
-		      intel_lvds->pfit_control,
-		      intel_lvds->pfit_pgm_ratios);
-	if (wait_for((I915_READ(PP_STATUS) & PP_ON) == 0, 1000))
-		DRM_ERROR("timed out waiting for panel to power off\n");
-
-	I915_WRITE(PFIT_PGM_RATIOS, intel_lvds->pfit_pgm_ratios);
-	I915_WRITE(PFIT_CONTROL, intel_lvds->pfit_control);
-	intel_lvds->pfit_dirty = false;
 }
 
 /**
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index b83306f..89a65be 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -156,23 +156,25 @@
 
 	/* G45 ring initialization fails to reset head to zero */
 	if (head != 0) {
-		DRM_ERROR("%s head not reset to zero "
-				"ctl %08x head %08x tail %08x start %08x\n",
-				ring->name,
-				I915_READ_CTL(ring),
-				I915_READ_HEAD(ring),
-				I915_READ_TAIL(ring),
-				I915_READ_START(ring));
+		DRM_DEBUG_KMS("%s head not reset to zero "
+			      "ctl %08x head %08x tail %08x start %08x\n",
+			      ring->name,
+			      I915_READ_CTL(ring),
+			      I915_READ_HEAD(ring),
+			      I915_READ_TAIL(ring),
+			      I915_READ_START(ring));
 
 		I915_WRITE_HEAD(ring, 0);
 
-		DRM_ERROR("%s head forced to zero "
-				"ctl %08x head %08x tail %08x start %08x\n",
-				ring->name,
-				I915_READ_CTL(ring),
-				I915_READ_HEAD(ring),
-				I915_READ_TAIL(ring),
-				I915_READ_START(ring));
+		if (I915_READ_HEAD(ring) & HEAD_ADDR) {
+			DRM_ERROR("failed to set %s head to zero "
+				  "ctl %08x head %08x tail %08x start %08x\n",
+				  ring->name,
+				  I915_READ_CTL(ring),
+				  I915_READ_HEAD(ring),
+				  I915_READ_TAIL(ring),
+				  I915_READ_START(ring));
+		}
 	}
 
 	I915_WRITE_CTL(ring,
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index a355259..4d7a2e1 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -878,12 +878,15 @@
 	u32 tmp;
 
 	/* flush hdp cache so updates hit vram */
-	if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740)) {
+	if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
+	    !(rdev->flags & RADEON_IS_AGP)) {
 		void __iomem *ptr = (void *)rdev->gart.table.vram.ptr;
 		u32 tmp;
 
 		/* r7xx hw bug.  write to HDP_DEBUG1 followed by fb read
 		 * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL
+		 * This seems to cause problems on some AGP cards. Just use the old
+		 * method for them.
 		 */
 		WREG32(HDP_DEBUG1, 0);
 		tmp = readl((void __iomem *)ptr);
@@ -1195,8 +1198,10 @@
 				mc->vram_end, mc->real_vram_size >> 20);
 	} else {
 		u64 base = 0;
-		if (rdev->flags & RADEON_IS_IGP)
-			base = (RREG32(MC_VM_FB_LOCATION) & 0xFFFF) << 24;
+		if (rdev->flags & RADEON_IS_IGP) {
+			base = RREG32(MC_VM_FB_LOCATION) & 0xFFFF;
+			base <<= 24;
+		}
 		radeon_vram_location(rdev, &rdev->mc, base);
 		rdev->mc.gtt_base_align = 0;
 		radeon_gtt_location(rdev, mc);
@@ -3483,10 +3488,12 @@
 void r600_ioctl_wait_idle(struct radeon_device *rdev, struct radeon_bo *bo)
 {
 	/* r7xx hw bug.  write to HDP_DEBUG1 followed by fb read
-	 * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL
+	 * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL.
+	 * This seems to cause problems on some AGP cards. Just use the old
+	 * method for them.
 	 */
 	if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
-	    rdev->vram_scratch.ptr) {
+	    rdev->vram_scratch.ptr && !(rdev->flags & RADEON_IS_AGP)) {
 		void __iomem *ptr = (void *)rdev->vram_scratch.ptr;
 		u32 tmp;
 
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index d8ac184..e12e793 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -286,7 +286,7 @@
 		mc->mc_vram_size = mc->aper_size;
 	}
 	mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
-	dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n",
+	dev_info(rdev->dev, "VRAM: %lluM 0x%016llX - 0x%016llX (%lluM used)\n",
 			mc->mc_vram_size >> 20, mc->vram_start,
 			mc->vram_end, mc->real_vram_size >> 20);
 }
@@ -323,7 +323,7 @@
 		mc->gtt_start = (mc->vram_end + 1 + mc->gtt_base_align) & ~mc->gtt_base_align;
 	}
 	mc->gtt_end = mc->gtt_start + mc->gtt_size - 1;
-	dev_info(rdev->dev, "GTT: %lluM 0x%08llX - 0x%08llX\n",
+	dev_info(rdev->dev, "GTT: %lluM 0x%016llX - 0x%016llX\n",
 			mc->gtt_size >> 20, mc->gtt_start, mc->gtt_end);
 }
 
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index 1d06774..a598d00 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -69,7 +69,7 @@
 	u32 c = 0;
 
 	rbo->placement.fpfn = 0;
-	rbo->placement.lpfn = rbo->rdev->mc.active_vram_size >> PAGE_SHIFT;
+	rbo->placement.lpfn = 0;
 	rbo->placement.placement = rbo->placements;
 	rbo->placement.busy_placement = rbo->placements;
 	if (domain & RADEON_GEM_DOMAIN_VRAM)
@@ -91,7 +91,8 @@
 {
 	struct radeon_bo *bo;
 	enum ttm_bo_type type;
-	int page_align = roundup(byte_align, PAGE_SIZE) >> PAGE_SHIFT;
+	unsigned long page_align = roundup(byte_align, PAGE_SIZE) >> PAGE_SHIFT;
+	unsigned long max_size = 0;
 	int r;
 
 	if (unlikely(rdev->mman.bdev.dev_mapping == NULL)) {
@@ -104,6 +105,14 @@
 	}
 	*bo_ptr = NULL;
 
+	/* maximun bo size is the minimun btw visible vram and gtt size */
+	max_size = min(rdev->mc.visible_vram_size, rdev->mc.gtt_size);
+	if ((page_align << PAGE_SHIFT) >= max_size) {
+		printk(KERN_WARNING "%s:%d alloc size %ldM bigger than %ldMb limit\n",
+			__func__, __LINE__, page_align  >> (20 - PAGE_SHIFT), max_size >> 20);
+		return -ENOMEM;
+	}
+
 retry:
 	bo = kzalloc(sizeof(struct radeon_bo), GFP_KERNEL);
 	if (bo == NULL)
diff --git a/drivers/hwmon/adm1026.c b/drivers/hwmon/adm1026.c
index 4bf969c..be0fdd5 100644
--- a/drivers/hwmon/adm1026.c
+++ b/drivers/hwmon/adm1026.c
@@ -916,27 +916,27 @@
 	int nr = sensor_attr->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adm1026_data *data = i2c_get_clientdata(client);
-	int val, orig_div, new_div, shift;
+	int val, orig_div, new_div;
 
 	val = simple_strtol(buf, NULL, 10);
 	new_div = DIV_TO_REG(val);
-	if (new_div == 0) {
-		return -EINVAL;
-	}
+
 	mutex_lock(&data->update_lock);
 	orig_div = data->fan_div[nr];
 	data->fan_div[nr] = DIV_FROM_REG(new_div);
 
 	if (nr < 4) { /* 0 <= nr < 4 */
-		shift = 2 * nr;
 		adm1026_write_value(client, ADM1026_REG_FAN_DIV_0_3,
-			((DIV_TO_REG(orig_div) & (~(0x03 << shift))) |
-			(new_div << shift)));
+				    (DIV_TO_REG(data->fan_div[0]) << 0) |
+				    (DIV_TO_REG(data->fan_div[1]) << 2) |
+				    (DIV_TO_REG(data->fan_div[2]) << 4) |
+				    (DIV_TO_REG(data->fan_div[3]) << 6));
 	} else { /* 3 < nr < 8 */
-		shift = 2 * (nr - 4);
 		adm1026_write_value(client, ADM1026_REG_FAN_DIV_4_7,
-			((DIV_TO_REG(orig_div) & (~(0x03 << (2 * shift)))) |
-			(new_div << shift)));
+				    (DIV_TO_REG(data->fan_div[4]) << 0) |
+				    (DIV_TO_REG(data->fan_div[5]) << 2) |
+				    (DIV_TO_REG(data->fan_div[6]) << 4) |
+				    (DIV_TO_REG(data->fan_div[7]) << 6));
 	}
 
 	if (data->fan_div[nr] != orig_div) {
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index 14a5d98..a428a92 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -187,6 +187,7 @@
 #define IT87_REG_FAN_MAIN_CTRL 0x13
 #define IT87_REG_FAN_CTL       0x14
 #define IT87_REG_PWM(nr)       (0x15 + (nr))
+#define IT87_REG_PWM_DUTY(nr)  (0x63 + (nr) * 8)
 
 #define IT87_REG_VIN(nr)       (0x20 + (nr))
 #define IT87_REG_TEMP(nr)      (0x29 + (nr))
@@ -251,12 +252,16 @@
 	u8 fan_main_ctrl;	/* Register value */
 	u8 fan_ctl;		/* Register value */
 
-	/* The following 3 arrays correspond to the same registers. The
-	 * meaning of bits 6-0 depends on the value of bit 7, and we want
-	 * to preserve settings on mode changes, so we have to track all
-	 * values separately. */
+	/* The following 3 arrays correspond to the same registers up to
+	 * the IT8720F. The meaning of bits 6-0 depends on the value of bit
+	 * 7, and we want to preserve settings on mode changes, so we have
+	 * to track all values separately.
+	 * Starting with the IT8721F, the manual PWM duty cycles are stored
+	 * in separate registers (8-bit values), so the separate tracking
+	 * is no longer needed, but it is still done to keep the driver
+	 * simple. */
 	u8 pwm_ctrl[3];		/* Register value */
-	u8 pwm_duty[3];		/* Manual PWM value set by user (bit 6-0) */
+	u8 pwm_duty[3];		/* Manual PWM value set by user */
 	u8 pwm_temp_map[3];	/* PWM to temp. chan. mapping (bits 1-0) */
 
 	/* Automatic fan speed control registers */
@@ -832,7 +837,9 @@
 				 data->fan_main_ctrl);
 	} else {
 		if (val == 1)				/* Manual mode */
-			data->pwm_ctrl[nr] = data->pwm_duty[nr];
+			data->pwm_ctrl[nr] = data->type == it8721 ?
+					     data->pwm_temp_map[nr] :
+					     data->pwm_duty[nr];
 		else					/* Automatic mode */
 			data->pwm_ctrl[nr] = 0x80 | data->pwm_temp_map[nr];
 		it87_write_value(data, IT87_REG_PWM(nr), data->pwm_ctrl[nr]);
@@ -858,12 +865,25 @@
 		return -EINVAL;
 
 	mutex_lock(&data->update_lock);
-	data->pwm_duty[nr] = pwm_to_reg(data, val);
-	/* If we are in manual mode, write the duty cycle immediately;
-	 * otherwise, just store it for later use. */
-	if (!(data->pwm_ctrl[nr] & 0x80)) {
-		data->pwm_ctrl[nr] = data->pwm_duty[nr];
-		it87_write_value(data, IT87_REG_PWM(nr), data->pwm_ctrl[nr]);
+	if (data->type == it8721) {
+		/* If we are in automatic mode, the PWM duty cycle register
+		 * is read-only so we can't write the value */
+		if (data->pwm_ctrl[nr] & 0x80) {
+			mutex_unlock(&data->update_lock);
+			return -EBUSY;
+		}
+		data->pwm_duty[nr] = pwm_to_reg(data, val);
+		it87_write_value(data, IT87_REG_PWM_DUTY(nr),
+				 data->pwm_duty[nr]);
+	} else {
+		data->pwm_duty[nr] = pwm_to_reg(data, val);
+		/* If we are in manual mode, write the duty cycle immediately;
+		 * otherwise, just store it for later use. */
+		if (!(data->pwm_ctrl[nr] & 0x80)) {
+			data->pwm_ctrl[nr] = data->pwm_duty[nr];
+			it87_write_value(data, IT87_REG_PWM(nr),
+					 data->pwm_ctrl[nr]);
+		}
 	}
 	mutex_unlock(&data->update_lock);
 	return count;
@@ -1958,7 +1978,10 @@
 	 *   channels to use when later setting to automatic mode later.
 	 *   Use a 1:1 mapping by default (we are clueless.)
 	 * In both cases, the value can (and should) be changed by the user
-	 * prior to switching to a different mode. */
+	 * prior to switching to a different mode.
+	 * Note that this is no longer needed for the IT8721F and later, as
+	 * these have separate registers for the temperature mapping and the
+	 * manual duty cycle. */
 	for (i = 0; i < 3; i++) {
 		data->pwm_temp_map[i] = i;
 		data->pwm_duty[i] = 0x7f;	/* Full speed */
@@ -2034,10 +2057,16 @@
 static void it87_update_pwm_ctrl(struct it87_data *data, int nr)
 {
 	data->pwm_ctrl[nr] = it87_read_value(data, IT87_REG_PWM(nr));
-	if (data->pwm_ctrl[nr] & 0x80)	/* Automatic mode */
+	if (data->type == it8721) {
 		data->pwm_temp_map[nr] = data->pwm_ctrl[nr] & 0x03;
-	else				/* Manual mode */
-		data->pwm_duty[nr] = data->pwm_ctrl[nr] & 0x7f;
+		data->pwm_duty[nr] = it87_read_value(data,
+						     IT87_REG_PWM_DUTY(nr));
+	} else {
+		if (data->pwm_ctrl[nr] & 0x80)	/* Automatic mode */
+			data->pwm_temp_map[nr] = data->pwm_ctrl[nr] & 0x03;
+		else				/* Manual mode */
+			data->pwm_duty[nr] = data->pwm_ctrl[nr] & 0x7f;
+	}
 
 	if (has_old_autopwm(data)) {
 		int i;
diff --git a/drivers/hwmon/ltc4215.c b/drivers/hwmon/ltc4215.c
index 00d975e..c7e6d8e 100644
--- a/drivers/hwmon/ltc4215.c
+++ b/drivers/hwmon/ltc4215.c
@@ -205,7 +205,6 @@
 
 /* Power (virtual) */
 LTC4215_POWER(power1_input);
-LTC4215_ALARM(power1_alarm,	(1 << 3),	LTC4215_STATUS);
 
 /* Input Voltage */
 LTC4215_VOLTAGE(in1_input,			LTC4215_ADIN);
@@ -214,6 +213,7 @@
 
 /* Output Voltage */
 LTC4215_VOLTAGE(in2_input,			LTC4215_SOURCE);
+LTC4215_ALARM(in2_min_alarm,	(1 << 3),	LTC4215_STATUS);
 
 /* Finally, construct an array of pointers to members of the above objects,
  * as required for sysfs_create_group()
@@ -223,13 +223,13 @@
 	&sensor_dev_attr_curr1_max_alarm.dev_attr.attr,
 
 	&sensor_dev_attr_power1_input.dev_attr.attr,
-	&sensor_dev_attr_power1_alarm.dev_attr.attr,
 
 	&sensor_dev_attr_in1_input.dev_attr.attr,
 	&sensor_dev_attr_in1_max_alarm.dev_attr.attr,
 	&sensor_dev_attr_in1_min_alarm.dev_attr.attr,
 
 	&sensor_dev_attr_in2_input.dev_attr.attr,
+	&sensor_dev_attr_in2_min_alarm.dev_attr.attr,
 
 	NULL,
 };
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index 41665d2..c131d58 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -273,8 +273,6 @@
 
 	pr_debug(PREFIX "MWAIT substates: 0x%x\n", mwait_substates);
 
-	if (boot_cpu_has(X86_FEATURE_ARAT))	/* Always Reliable APIC Timer */
-		lapic_timer_reliable_states = 0xFFFFFFFF;
 
 	if (boot_cpu_data.x86 != 6)	/* family 6 */
 		return -ENODEV;
@@ -286,8 +284,6 @@
 	case 0x1F:	/* Core i7 and i5 Processor - Nehalem */
 	case 0x2E:	/* Nehalem-EX Xeon */
 	case 0x2F:	/* Westmere-EX Xeon */
-		lapic_timer_reliable_states = (1 << 1);	 /* C1 */
-
 	case 0x25:	/* Westmere */
 	case 0x2C:	/* Westmere */
 		cpuidle_state_table = nehalem_cstates;
@@ -295,7 +291,6 @@
 
 	case 0x1C:	/* 28 - Atom Processor */
 	case 0x26:	/* 38 - Lincroft Atom Processor */
-		lapic_timer_reliable_states = (1 << 1); /* C1 */
 		cpuidle_state_table = atom_cstates;
 		break;
 
@@ -303,10 +298,6 @@
 	case 0x2D:	/* SNB Xeon */
 		cpuidle_state_table = snb_cstates;
 		break;
-#ifdef FUTURE_USE
-	case 0x17:	/* 23 - Core 2 Duo */
-		lapic_timer_reliable_states = (1 << 2) | (1 << 1); /* C2, C1 */
-#endif
 
 	default:
 		pr_debug(PREFIX "does not run on family %d model %d\n",
@@ -314,6 +305,9 @@
 		return -ENODEV;
 	}
 
+	if (boot_cpu_has(X86_FEATURE_ARAT))	/* Always Reliable APIC Timer */
+		lapic_timer_reliable_states = 0xFFFFFFFF;
+
 	pr_debug(PREFIX "v" INTEL_IDLE_VERSION
 		" model 0x%X\n", boot_cpu_data.x86_model);
 
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index b342248..c426992 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -893,68 +893,81 @@
 	return ret ? ret : in_len;
 }
 
+static int copy_wc_to_user(void __user *dest, struct ib_wc *wc)
+{
+	struct ib_uverbs_wc tmp;
+
+	tmp.wr_id		= wc->wr_id;
+	tmp.status		= wc->status;
+	tmp.opcode		= wc->opcode;
+	tmp.vendor_err		= wc->vendor_err;
+	tmp.byte_len		= wc->byte_len;
+	tmp.ex.imm_data		= (__u32 __force) wc->ex.imm_data;
+	tmp.qp_num		= wc->qp->qp_num;
+	tmp.src_qp		= wc->src_qp;
+	tmp.wc_flags		= wc->wc_flags;
+	tmp.pkey_index		= wc->pkey_index;
+	tmp.slid		= wc->slid;
+	tmp.sl			= wc->sl;
+	tmp.dlid_path_bits	= wc->dlid_path_bits;
+	tmp.port_num		= wc->port_num;
+	tmp.reserved		= 0;
+
+	if (copy_to_user(dest, &tmp, sizeof tmp))
+		return -EFAULT;
+
+	return 0;
+}
+
 ssize_t ib_uverbs_poll_cq(struct ib_uverbs_file *file,
 			  const char __user *buf, int in_len,
 			  int out_len)
 {
 	struct ib_uverbs_poll_cq       cmd;
-	struct ib_uverbs_poll_cq_resp *resp;
+	struct ib_uverbs_poll_cq_resp  resp;
+	u8 __user                     *header_ptr;
+	u8 __user                     *data_ptr;
 	struct ib_cq                  *cq;
-	struct ib_wc                  *wc;
-	int                            ret = 0;
-	int                            i;
-	int                            rsize;
+	struct ib_wc                   wc;
+	int                            ret;
 
 	if (copy_from_user(&cmd, buf, sizeof cmd))
 		return -EFAULT;
 
-	wc = kmalloc(cmd.ne * sizeof *wc, GFP_KERNEL);
-	if (!wc)
-		return -ENOMEM;
-
-	rsize = sizeof *resp + cmd.ne * sizeof(struct ib_uverbs_wc);
-	resp = kmalloc(rsize, GFP_KERNEL);
-	if (!resp) {
-		ret = -ENOMEM;
-		goto out_wc;
-	}
-
 	cq = idr_read_cq(cmd.cq_handle, file->ucontext, 0);
-	if (!cq) {
-		ret = -EINVAL;
-		goto out;
+	if (!cq)
+		return -EINVAL;
+
+	/* we copy a struct ib_uverbs_poll_cq_resp to user space */
+	header_ptr = (void __user *)(unsigned long) cmd.response;
+	data_ptr = header_ptr + sizeof resp;
+
+	memset(&resp, 0, sizeof resp);
+	while (resp.count < cmd.ne) {
+		ret = ib_poll_cq(cq, 1, &wc);
+		if (ret < 0)
+			goto out_put;
+		if (!ret)
+			break;
+
+		ret = copy_wc_to_user(data_ptr, &wc);
+		if (ret)
+			goto out_put;
+
+		data_ptr += sizeof(struct ib_uverbs_wc);
+		++resp.count;
 	}
 
-	resp->count = ib_poll_cq(cq, cmd.ne, wc);
-
-	put_cq_read(cq);
-
-	for (i = 0; i < resp->count; i++) {
-		resp->wc[i].wr_id 	   = wc[i].wr_id;
-		resp->wc[i].status 	   = wc[i].status;
-		resp->wc[i].opcode 	   = wc[i].opcode;
-		resp->wc[i].vendor_err 	   = wc[i].vendor_err;
-		resp->wc[i].byte_len 	   = wc[i].byte_len;
-		resp->wc[i].ex.imm_data    = (__u32 __force) wc[i].ex.imm_data;
-		resp->wc[i].qp_num 	   = wc[i].qp->qp_num;
-		resp->wc[i].src_qp 	   = wc[i].src_qp;
-		resp->wc[i].wc_flags 	   = wc[i].wc_flags;
-		resp->wc[i].pkey_index 	   = wc[i].pkey_index;
-		resp->wc[i].slid 	   = wc[i].slid;
-		resp->wc[i].sl 		   = wc[i].sl;
-		resp->wc[i].dlid_path_bits = wc[i].dlid_path_bits;
-		resp->wc[i].port_num 	   = wc[i].port_num;
-	}
-
-	if (copy_to_user((void __user *) (unsigned long) cmd.response, resp, rsize))
+	if (copy_to_user(header_ptr, &resp, sizeof resp)) {
 		ret = -EFAULT;
+		goto out_put;
+	}
 
-out:
-	kfree(resp);
+	ret = in_len;
 
-out_wc:
-	kfree(wc);
-	return ret ? ret : in_len;
+out_put:
+	put_cq_read(cq);
+	return ret;
 }
 
 ssize_t ib_uverbs_req_notify_cq(struct ib_uverbs_file *file,
diff --git a/drivers/input/joystick/turbografx.c b/drivers/input/joystick/turbografx.c
index d53b9e9..27b6a3c 100644
--- a/drivers/input/joystick/turbografx.c
+++ b/drivers/input/joystick/turbografx.c
@@ -245,6 +245,7 @@
 		goto err_free_tgfx;
         }
 
+	parport_put_port(pp);
 	return tgfx;
 
  err_free_dev:
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index b8c51b9..3a87f3b 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -179,6 +179,22 @@
 	  To compile this driver as a module, choose M here: the
 	  module will be called gpio_keys.
 
+config KEYBOARD_GPIO_POLLED
+	tristate "Polled GPIO buttons"
+	depends on GENERIC_GPIO
+	select INPUT_POLLDEV
+	help
+	  This driver implements support for buttons connected
+	  to GPIO pins that are not capable of generating interrupts.
+
+	  Say Y here if your device has buttons connected
+	  directly to such GPIO pins.  Your board-specific
+	  setup logic must also provide a platform device,
+	  with configuration data saying which GPIOs are used.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called gpio_keys_polled.
+
 config KEYBOARD_TCA6416
 	tristate "TCA6416 Keypad Support"
 	depends on I2C
diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile
index a34452e..622de73 100644
--- a/drivers/input/keyboard/Makefile
+++ b/drivers/input/keyboard/Makefile
@@ -14,6 +14,7 @@
 obj-$(CONFIG_KEYBOARD_DAVINCI)		+= davinci_keyscan.o
 obj-$(CONFIG_KEYBOARD_EP93XX)		+= ep93xx_keypad.o
 obj-$(CONFIG_KEYBOARD_GPIO)		+= gpio_keys.o
+obj-$(CONFIG_KEYBOARD_GPIO_POLLED)	+= gpio_keys_polled.o
 obj-$(CONFIG_KEYBOARD_TCA6416)		+= tca6416-keypad.o
 obj-$(CONFIG_KEYBOARD_HIL)		+= hil_kbd.o
 obj-$(CONFIG_KEYBOARD_HIL_OLD)		+= hilkbd.o
diff --git a/drivers/input/keyboard/gpio_keys_polled.c b/drivers/input/keyboard/gpio_keys_polled.c
new file mode 100644
index 0000000..4c17aff
--- /dev/null
+++ b/drivers/input/keyboard/gpio_keys_polled.c
@@ -0,0 +1,261 @@
+/*
+ *  Driver for buttons on GPIO lines not capable of generating interrupts
+ *
+ *  Copyright (C) 2007-2010 Gabor Juhos <juhosg@openwrt.org>
+ *  Copyright (C) 2010 Nuno Goncalves <nunojpg@gmail.com>
+ *
+ *  This file was based on: /drivers/input/misc/cobalt_btns.c
+ *	Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
+ *
+ *  also was based on: /drivers/input/keyboard/gpio_keys.c
+ *	Copyright 2005 Phil Blundell
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/input.h>
+#include <linux/input-polldev.h>
+#include <linux/ioport.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/gpio_keys.h>
+
+#define DRV_NAME	"gpio-keys-polled"
+
+struct gpio_keys_button_data {
+	int last_state;
+	int count;
+	int threshold;
+	int can_sleep;
+};
+
+struct gpio_keys_polled_dev {
+	struct input_polled_dev *poll_dev;
+	struct device *dev;
+	struct gpio_keys_platform_data *pdata;
+	struct gpio_keys_button_data data[0];
+};
+
+static void gpio_keys_polled_check_state(struct input_dev *input,
+					 struct gpio_keys_button *button,
+					 struct gpio_keys_button_data *bdata)
+{
+	int state;
+
+	if (bdata->can_sleep)
+		state = !!gpio_get_value_cansleep(button->gpio);
+	else
+		state = !!gpio_get_value(button->gpio);
+
+	if (state != bdata->last_state) {
+		unsigned int type = button->type ?: EV_KEY;
+
+		input_event(input, type, button->code,
+			    !!(state ^ button->active_low));
+		input_sync(input);
+		bdata->count = 0;
+		bdata->last_state = state;
+	}
+}
+
+static void gpio_keys_polled_poll(struct input_polled_dev *dev)
+{
+	struct gpio_keys_polled_dev *bdev = dev->private;
+	struct gpio_keys_platform_data *pdata = bdev->pdata;
+	struct input_dev *input = dev->input;
+	int i;
+
+	for (i = 0; i < bdev->pdata->nbuttons; i++) {
+		struct gpio_keys_button_data *bdata = &bdev->data[i];
+
+		if (bdata->count < bdata->threshold)
+			bdata->count++;
+		else
+			gpio_keys_polled_check_state(input, &pdata->buttons[i],
+						     bdata);
+	}
+}
+
+static void gpio_keys_polled_open(struct input_polled_dev *dev)
+{
+	struct gpio_keys_polled_dev *bdev = dev->private;
+	struct gpio_keys_platform_data *pdata = bdev->pdata;
+
+	if (pdata->enable)
+		pdata->enable(bdev->dev);
+}
+
+static void gpio_keys_polled_close(struct input_polled_dev *dev)
+{
+	struct gpio_keys_polled_dev *bdev = dev->private;
+	struct gpio_keys_platform_data *pdata = bdev->pdata;
+
+	if (pdata->disable)
+		pdata->disable(bdev->dev);
+}
+
+static int __devinit gpio_keys_polled_probe(struct platform_device *pdev)
+{
+	struct gpio_keys_platform_data *pdata = pdev->dev.platform_data;
+	struct device *dev = &pdev->dev;
+	struct gpio_keys_polled_dev *bdev;
+	struct input_polled_dev *poll_dev;
+	struct input_dev *input;
+	int error;
+	int i;
+
+	if (!pdata || !pdata->poll_interval)
+		return -EINVAL;
+
+	bdev = kzalloc(sizeof(struct gpio_keys_polled_dev) +
+		       pdata->nbuttons * sizeof(struct gpio_keys_button_data),
+		       GFP_KERNEL);
+	if (!bdev) {
+		dev_err(dev, "no memory for private data\n");
+		return -ENOMEM;
+	}
+
+	poll_dev = input_allocate_polled_device();
+	if (!poll_dev) {
+		dev_err(dev, "no memory for polled device\n");
+		error = -ENOMEM;
+		goto err_free_bdev;
+	}
+
+	poll_dev->private = bdev;
+	poll_dev->poll = gpio_keys_polled_poll;
+	poll_dev->poll_interval = pdata->poll_interval;
+	poll_dev->open = gpio_keys_polled_open;
+	poll_dev->close = gpio_keys_polled_close;
+
+	input = poll_dev->input;
+
+	input->evbit[0] = BIT(EV_KEY);
+	input->name = pdev->name;
+	input->phys = DRV_NAME"/input0";
+	input->dev.parent = &pdev->dev;
+
+	input->id.bustype = BUS_HOST;
+	input->id.vendor = 0x0001;
+	input->id.product = 0x0001;
+	input->id.version = 0x0100;
+
+	for (i = 0; i < pdata->nbuttons; i++) {
+		struct gpio_keys_button *button = &pdata->buttons[i];
+		struct gpio_keys_button_data *bdata = &bdev->data[i];
+		unsigned int gpio = button->gpio;
+		unsigned int type = button->type ?: EV_KEY;
+
+		if (button->wakeup) {
+			dev_err(dev, DRV_NAME " does not support wakeup\n");
+			error = -EINVAL;
+			goto err_free_gpio;
+		}
+
+		error = gpio_request(gpio,
+				     button->desc ? button->desc : DRV_NAME);
+		if (error) {
+			dev_err(dev, "unable to claim gpio %u, err=%d\n",
+				gpio, error);
+			goto err_free_gpio;
+		}
+
+		error = gpio_direction_input(gpio);
+		if (error) {
+			dev_err(dev,
+				"unable to set direction on gpio %u, err=%d\n",
+				gpio, error);
+			goto err_free_gpio;
+		}
+
+		bdata->can_sleep = gpio_cansleep(gpio);
+		bdata->last_state = -1;
+		bdata->threshold = DIV_ROUND_UP(button->debounce_interval,
+						pdata->poll_interval);
+
+		input_set_capability(input, type, button->code);
+	}
+
+	bdev->poll_dev = poll_dev;
+	bdev->dev = dev;
+	bdev->pdata = pdata;
+	platform_set_drvdata(pdev, bdev);
+
+	error = input_register_polled_device(poll_dev);
+	if (error) {
+		dev_err(dev, "unable to register polled device, err=%d\n",
+			error);
+		goto err_free_gpio;
+	}
+
+	/* report initial state of the buttons */
+	for (i = 0; i < pdata->nbuttons; i++)
+		gpio_keys_polled_check_state(input, &pdata->buttons[i],
+					 &bdev->data[i]);
+
+	return 0;
+
+err_free_gpio:
+	while (--i >= 0)
+		gpio_free(pdata->buttons[i].gpio);
+
+	input_free_polled_device(poll_dev);
+
+err_free_bdev:
+	kfree(bdev);
+
+	platform_set_drvdata(pdev, NULL);
+	return error;
+}
+
+static int __devexit gpio_keys_polled_remove(struct platform_device *pdev)
+{
+	struct gpio_keys_polled_dev *bdev = platform_get_drvdata(pdev);
+	struct gpio_keys_platform_data *pdata = bdev->pdata;
+	int i;
+
+	input_unregister_polled_device(bdev->poll_dev);
+
+	for (i = 0; i < pdata->nbuttons; i++)
+		gpio_free(pdata->buttons[i].gpio);
+
+	input_free_polled_device(bdev->poll_dev);
+
+	kfree(bdev);
+	platform_set_drvdata(pdev, NULL);
+
+	return 0;
+}
+
+static struct platform_driver gpio_keys_polled_driver = {
+	.probe	= gpio_keys_polled_probe,
+	.remove	= __devexit_p(gpio_keys_polled_remove),
+	.driver	= {
+		.name	= DRV_NAME,
+		.owner	= THIS_MODULE,
+	},
+};
+
+static int __init gpio_keys_polled_init(void)
+{
+	return platform_driver_register(&gpio_keys_polled_driver);
+}
+
+static void __exit gpio_keys_polled_exit(void)
+{
+	platform_driver_unregister(&gpio_keys_polled_driver);
+}
+
+module_init(gpio_keys_polled_init);
+module_exit(gpio_keys_polled_exit);
+
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
+MODULE_DESCRIPTION("Polled GPIO Buttons driver");
+MODULE_ALIAS("platform:" DRV_NAME);
diff --git a/drivers/input/mouse/synaptics.h b/drivers/input/mouse/synaptics.h
index 613a365..0aefaa8 100644
--- a/drivers/input/mouse/synaptics.h
+++ b/drivers/input/mouse/synaptics.h
@@ -51,7 +51,8 @@
 #define SYN_EXT_CAP_REQUESTS(c)		(((c) & 0x700000) >> 20)
 #define SYN_CAP_MULTI_BUTTON_NO(ec)	(((ec) & 0x00f000) >> 12)
 #define SYN_CAP_PRODUCT_ID(ec)		(((ec) & 0xff0000) >> 16)
-#define SYN_CAP_CLICKPAD(ex0c)		((ex0c) & 0x100100)
+#define SYN_CAP_CLICKPAD(ex0c)		((ex0c) & 0x100000) /* 1-button ClickPad */
+#define SYN_CAP_CLICKPAD2BTN(ex0c)	((ex0c) & 0x000100) /* 2-button ClickPad */
 #define SYN_CAP_MAX_DIMENSIONS(ex0c)	((ex0c) & 0x020000)
 
 /* synaptics modes query bits */
diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index b3252ef..4852b44 100644
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -1436,6 +1436,12 @@
 	{ "Wacom Bamboo Craft",   WACOM_PKGLEN_BBFUN,     14720,  9200, 1023, 63, BAMBOO_PT };
 static struct wacom_features wacom_features_0xD3 =
 	{ "Wacom Bamboo 2FG 6x8", WACOM_PKGLEN_BBFUN,     21648, 13530, 1023, 63, BAMBOO_PT };
+static struct wacom_features wacom_features_0xD8 =
+	{ "Wacom Bamboo Comic 2FG", WACOM_PKGLEN_BBFUN,   21648, 13530, 1023, 63, BAMBOO_PT };
+static struct wacom_features wacom_features_0xDA =
+	{ "Wacom Bamboo 2FG 4x5 SE", WACOM_PKGLEN_BBFUN,  14720,  9200, 1023, 63, BAMBOO_PT };
+static struct wacom_features wacom_features_0xDB =
+	{ "Wacom Bamboo 2FG 6x8 SE", WACOM_PKGLEN_BBFUN,  21648, 13530, 1023, 63, BAMBOO_PT };
 
 #define USB_DEVICE_WACOM(prod)					\
 	USB_DEVICE(USB_VENDOR_ID_WACOM, prod),			\
@@ -1504,6 +1510,9 @@
 	{ USB_DEVICE_WACOM(0xD1) },
 	{ USB_DEVICE_WACOM(0xD2) },
 	{ USB_DEVICE_WACOM(0xD3) },
+	{ USB_DEVICE_WACOM(0xD8) },
+	{ USB_DEVICE_WACOM(0xDA) },
+	{ USB_DEVICE_WACOM(0xDB) },
 	{ USB_DEVICE_WACOM(0xF0) },
 	{ USB_DEVICE_WACOM(0xCC) },
 	{ USB_DEVICE_WACOM(0x90) },
diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c
index f45f80f..73fd664 100644
--- a/drivers/input/touchscreen/usbtouchscreen.c
+++ b/drivers/input/touchscreen/usbtouchscreen.c
@@ -178,6 +178,7 @@
 
 #ifdef CONFIG_TOUCHSCREEN_USB_ITM
 	{USB_DEVICE(0x0403, 0xf9e9), .driver_info = DEVTYPE_ITM},
+	{USB_DEVICE(0x16e3, 0xf9e9), .driver_info = DEVTYPE_ITM},
 #endif
 
 #ifdef CONFIG_TOUCHSCREEN_USB_ETURBO
diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c
index 60a5a5c..d235f44 100644
--- a/drivers/platform/x86/asus-laptop.c
+++ b/drivers/platform/x86/asus-laptop.c
@@ -81,6 +81,8 @@
 
 static int wlan_status = 1;
 static int bluetooth_status = 1;
+static int wimax_status = -1;
+static int wwan_status = -1;
 
 module_param(wlan_status, int, 0444);
 MODULE_PARM_DESC(wlan_status, "Set the wireless status on boot "
@@ -92,6 +94,16 @@
 		 "(0 = disabled, 1 = enabled, -1 = don't do anything). "
 		 "default is 1");
 
+module_param(wimax_status, int, 0444);
+MODULE_PARM_DESC(wimax_status, "Set the wireless status on boot "
+		 "(0 = disabled, 1 = enabled, -1 = don't do anything). "
+		 "default is 1");
+
+module_param(wwan_status, int, 0444);
+MODULE_PARM_DESC(wwan_status, "Set the wireless status on boot "
+		 "(0 = disabled, 1 = enabled, -1 = don't do anything). "
+		 "default is 1");
+
 /*
  * Some events we use, same for all Asus
  */
@@ -114,6 +126,8 @@
  */
 #define WL_RSTS		0x01	/* internal Wifi */
 #define BT_RSTS		0x02	/* internal Bluetooth */
+#define WM_RSTS		0x08    /* internal wimax */
+#define WW_RSTS		0x20    /* internal wwan */
 
 /* LED */
 #define METHOD_MLED		"MLED"
@@ -132,6 +146,11 @@
  */
 #define METHOD_WLAN		"WLED"
 #define METHOD_BLUETOOTH	"BLED"
+
+/* WWAN and WIMAX */
+#define METHOD_WWAN		"GSMC"
+#define METHOD_WIMAX		"WMXC"
+
 #define METHOD_WL_STATUS	"RSTS"
 
 /* Brightness */
@@ -883,6 +902,64 @@
 }
 
 /*
+ * Wimax
+ */
+static int asus_wimax_set(struct asus_laptop *asus, int status)
+{
+	if (write_acpi_int(asus->handle, METHOD_WIMAX, !!status)) {
+		pr_warning("Error setting wimax status to %d", status);
+		return -EIO;
+	}
+	return 0;
+}
+
+static ssize_t show_wimax(struct device *dev,
+			      struct device_attribute *attr, char *buf)
+{
+	struct asus_laptop *asus = dev_get_drvdata(dev);
+
+	return sprintf(buf, "%d\n", asus_wireless_status(asus, WM_RSTS));
+}
+
+static ssize_t store_wimax(struct device *dev,
+			       struct device_attribute *attr, const char *buf,
+			       size_t count)
+{
+	struct asus_laptop *asus = dev_get_drvdata(dev);
+
+	return sysfs_acpi_set(asus, buf, count, METHOD_WIMAX);
+}
+
+/*
+ * Wwan
+ */
+static int asus_wwan_set(struct asus_laptop *asus, int status)
+{
+	if (write_acpi_int(asus->handle, METHOD_WWAN, !!status)) {
+		pr_warning("Error setting wwan status to %d", status);
+		return -EIO;
+	}
+	return 0;
+}
+
+static ssize_t show_wwan(struct device *dev,
+			      struct device_attribute *attr, char *buf)
+{
+	struct asus_laptop *asus = dev_get_drvdata(dev);
+
+	return sprintf(buf, "%d\n", asus_wireless_status(asus, WW_RSTS));
+}
+
+static ssize_t store_wwan(struct device *dev,
+			       struct device_attribute *attr, const char *buf,
+			       size_t count)
+{
+	struct asus_laptop *asus = dev_get_drvdata(dev);
+
+	return sysfs_acpi_set(asus, buf, count, METHOD_WWAN);
+}
+
+/*
  * Display
  */
 static void asus_set_display(struct asus_laptop *asus, int value)
@@ -1202,6 +1279,8 @@
 static DEVICE_ATTR(wlan, S_IRUGO | S_IWUSR, show_wlan, store_wlan);
 static DEVICE_ATTR(bluetooth, S_IRUGO | S_IWUSR,
 		   show_bluetooth, store_bluetooth);
+static DEVICE_ATTR(wimax, S_IRUGO | S_IWUSR, show_wimax, store_wimax);
+static DEVICE_ATTR(wwan, S_IRUGO | S_IWUSR, show_wwan, store_wwan);
 static DEVICE_ATTR(display, S_IRUGO | S_IWUSR, show_disp, store_disp);
 static DEVICE_ATTR(ledd, S_IRUGO | S_IWUSR, show_ledd, store_ledd);
 static DEVICE_ATTR(ls_level, S_IRUGO | S_IWUSR, show_lslvl, store_lslvl);
@@ -1212,6 +1291,8 @@
 	&dev_attr_infos.attr,
 	&dev_attr_wlan.attr,
 	&dev_attr_bluetooth.attr,
+	&dev_attr_wimax.attr,
+	&dev_attr_wwan.attr,
 	&dev_attr_display.attr,
 	&dev_attr_ledd.attr,
 	&dev_attr_ls_level.attr,
@@ -1239,6 +1320,13 @@
 	} else if (attr == &dev_attr_display.attr) {
 		supported = !acpi_check_handle(handle, METHOD_SWITCH_DISPLAY, NULL);
 
+	} else if (attr == &dev_attr_wimax.attr) {
+		supported =
+			!acpi_check_handle(asus->handle, METHOD_WIMAX, NULL);
+
+	} else if (attr == &dev_attr_wwan.attr) {
+		supported = !acpi_check_handle(asus->handle, METHOD_WWAN, NULL);
+
 	} else if (attr == &dev_attr_ledd.attr) {
 		supported = !acpi_check_handle(handle, METHOD_LEDD, NULL);
 
@@ -1397,7 +1485,8 @@
 
 	/*
 	 * The HWRS method return informations about the hardware.
-	 * 0x80 bit is for WLAN, 0x100 for Bluetooth.
+	 * 0x80 bit is for WLAN, 0x100 for Bluetooth,
+	 * 0x40 for WWAN, 0x10 for WIMAX.
 	 * The significance of others is yet to be found.
 	 */
 	status =
@@ -1440,6 +1529,12 @@
 	if (wlan_status >= 0)
 		asus_wlan_set(asus, !!wlan_status);
 
+	if (wimax_status >= 0)
+		asus_wimax_set(asus, !!wimax_status);
+
+	if (wwan_status >= 0)
+		asus_wwan_set(asus, !!wwan_status);
+
 	/* Keyboard Backlight is on by default */
 	if (!acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_SET, NULL))
 		asus_kled_set(asus, 1);
diff --git a/drivers/platform/x86/eeepc-wmi.c b/drivers/platform/x86/eeepc-wmi.c
index 462ceab..0d50fbb 100644
--- a/drivers/platform/x86/eeepc-wmi.c
+++ b/drivers/platform/x86/eeepc-wmi.c
@@ -298,8 +298,8 @@
 	kfree(obj);
 }
 
-static int store_cpufv(struct device *dev, struct device_attribute *attr,
-		       const char *buf, size_t count)
+static ssize_t store_cpufv(struct device *dev, struct device_attribute *attr,
+			   const char *buf, size_t count)
 {
 	int value;
 	struct acpi_buffer input = { (acpi_size)sizeof(value), &value };
diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c
index 1dac659..9e05af9 100644
--- a/drivers/platform/x86/hp-wmi.c
+++ b/drivers/platform/x86/hp-wmi.c
@@ -172,6 +172,8 @@
 	bios_return = *((struct bios_return *)obj->buffer.pointer);
 
 	memcpy(buffer, &bios_return.value, sizeof(bios_return.value));
+
+	kfree(obj);
 	return 0;
 }
 
diff --git a/drivers/platform/x86/ibm_rtl.c b/drivers/platform/x86/ibm_rtl.c
index 3c2c6b9..94a114a 100644
--- a/drivers/platform/x86/ibm_rtl.c
+++ b/drivers/platform/x86/ibm_rtl.c
@@ -28,6 +28,7 @@
 #include <linux/io.h>
 #include <linux/sysdev.h>
 #include <linux/dmi.h>
+#include <linux/efi.h>
 #include <linux/mutex.h>
 #include <asm/bios_ebda.h>
 
@@ -220,32 +221,13 @@
 	sysdev_class_unregister(&class_rtl);
 }
 
-static int dmi_check_cb(const struct dmi_system_id *id)
-{
-	RTL_DEBUG("found IBM server '%s'\n", id->ident);
-	return 0;
-}
-
-#define ibm_dmi_entry(NAME, TYPE)                  \
-{                                                  \
-	.ident = NAME,                             \
-	.matches = {                               \
-		DMI_MATCH(DMI_SYS_VENDOR, "IBM"),  \
-		DMI_MATCH(DMI_PRODUCT_NAME, TYPE), \
-	},                                         \
-	.callback = dmi_check_cb                   \
-}
 
 static struct dmi_system_id __initdata ibm_rtl_dmi_table[] = {
-	ibm_dmi_entry("BladeCenter LS21", "7971"),
-	ibm_dmi_entry("BladeCenter LS22", "7901"),
-	ibm_dmi_entry("BladeCenter HS21 XM", "7995"),
-	ibm_dmi_entry("BladeCenter HS22", "7870"),
-	ibm_dmi_entry("BladeCenter HS22V", "7871"),
-	ibm_dmi_entry("System x3550 M2", "7946"),
-	ibm_dmi_entry("System x3650 M2", "7947"),
-	ibm_dmi_entry("System x3550 M3", "7944"),
-	ibm_dmi_entry("System x3650 M3", "7945"),
+	{                                                  \
+		.matches = {                               \
+			DMI_MATCH(DMI_SYS_VENDOR, "IBM"),  \
+		},                                         \
+	},
 	{ }
 };
 
@@ -257,7 +239,7 @@
 	if (force)
 		pr_warning("ibm-rtl: module loaded by force\n");
 	/* first ensure that we are running on IBM HW */
-	else if (!dmi_check_system(ibm_rtl_dmi_table))
+	else if (efi_enabled || !dmi_check_system(ibm_rtl_dmi_table))
 		return -ENODEV;
 
 	/* Get the address for the Extended BIOS Data Area */
@@ -302,7 +284,7 @@
 			RTL_DEBUG("rtl_cmd_width = %u, rtl_cmd_type = %u\n",
 			      rtl_cmd_width, rtl_cmd_type);
 			addr = ioread32(&rtl_table->cmd_port_address);
-			RTL_DEBUG("addr = %#llx\n", addr);
+			RTL_DEBUG("addr = %#llx\n", (unsigned long long)addr);
 			plen = rtl_cmd_width/sizeof(char);
 			rtl_cmd_addr = rtl_port_map(addr, plen);
 			RTL_DEBUG("rtl_cmd_addr = %#llx\n", (u64)rtl_cmd_addr);
diff --git a/drivers/platform/x86/msi-wmi.c b/drivers/platform/x86/msi-wmi.c
index 42a5469..35278ad 100644
--- a/drivers/platform/x86/msi-wmi.c
+++ b/drivers/platform/x86/msi-wmi.c
@@ -43,16 +43,18 @@
 
 #define dprintk(msg...) pr_debug(DRV_PFX msg)
 
-#define KEYCODE_BASE 0xD0
-#define MSI_WMI_BRIGHTNESSUP   KEYCODE_BASE
-#define MSI_WMI_BRIGHTNESSDOWN (KEYCODE_BASE + 1)
-#define MSI_WMI_VOLUMEUP       (KEYCODE_BASE + 2)
-#define MSI_WMI_VOLUMEDOWN     (KEYCODE_BASE + 3)
+#define SCANCODE_BASE 0xD0
+#define MSI_WMI_BRIGHTNESSUP   SCANCODE_BASE
+#define MSI_WMI_BRIGHTNESSDOWN (SCANCODE_BASE + 1)
+#define MSI_WMI_VOLUMEUP       (SCANCODE_BASE + 2)
+#define MSI_WMI_VOLUMEDOWN     (SCANCODE_BASE + 3)
+#define MSI_WMI_MUTE           (SCANCODE_BASE + 4)
 static struct key_entry msi_wmi_keymap[] = {
 	{ KE_KEY, MSI_WMI_BRIGHTNESSUP,   {KEY_BRIGHTNESSUP} },
 	{ KE_KEY, MSI_WMI_BRIGHTNESSDOWN, {KEY_BRIGHTNESSDOWN} },
 	{ KE_KEY, MSI_WMI_VOLUMEUP,       {KEY_VOLUMEUP} },
 	{ KE_KEY, MSI_WMI_VOLUMEDOWN,     {KEY_VOLUMEDOWN} },
+	{ KE_KEY, MSI_WMI_MUTE,           {KEY_MUTE} },
 	{ KE_END, 0}
 };
 static ktime_t last_pressed[ARRAY_SIZE(msi_wmi_keymap) - 1];
@@ -169,7 +171,7 @@
 			ktime_t diff;
 			cur = ktime_get_real();
 			diff = ktime_sub(cur, last_pressed[key->code -
-					KEYCODE_BASE]);
+					SCANCODE_BASE]);
 			/* Ignore event if the same event happened in a 50 ms
 			   timeframe -> Key press may result in 10-20 GPEs */
 			if (ktime_to_us(diff) < 1000 * 50) {
@@ -178,7 +180,7 @@
 					 key->code, ktime_to_us(diff));
 				return;
 			}
-			last_pressed[key->code - KEYCODE_BASE] = cur;
+			last_pressed[key->code - SCANCODE_BASE] = cur;
 
 			if (key->type == KE_KEY &&
 			/* Brightness is served via acpi video driver */
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 2d61186..e8c2199 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -8497,7 +8497,6 @@
 					   ibm->acpi->type,
 					   dispatch_acpi_notify);
 		ibm->flags.acpi_notify_installed = 0;
-		ibm->flags.acpi_notify_installed = 0;
 	}
 
 	if (ibm->flags.proc_created) {
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c
index 06f304f..4276da7 100644
--- a/drivers/platform/x86/toshiba_acpi.c
+++ b/drivers/platform/x86/toshiba_acpi.c
@@ -135,6 +135,7 @@
 	{ KE_KEY, 0x141, { KEY_BRIGHTNESSUP } },
 	{ KE_KEY, 0x142, { KEY_WLAN } },
 	{ KE_KEY, 0x143, { KEY_PROG1 } },
+	{ KE_KEY, 0x17f, { KEY_FN } },
 	{ KE_KEY, 0xb05, { KEY_PROG2 } },
 	{ KE_KEY, 0xb06, { KEY_WWW } },
 	{ KE_KEY, 0xb07, { KEY_MAIL } },
diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
index 104b77c..aecd9a9 100644
--- a/drivers/platform/x86/wmi.c
+++ b/drivers/platform/x86/wmi.c
@@ -755,7 +755,7 @@
 	struct wmi_block *wblock;
 
 	list_for_each_entry(wblock, &wmi_block_list, list)
-		if (strncmp(wblock->gblock.guid, guid_string, 16) == 0)
+		if (memcmp(wblock->gblock.guid, guid_string, 16) == 0)
 			return true;
 
 	return false;
diff --git a/drivers/regulator/tps6586x-regulator.c b/drivers/regulator/tps6586x-regulator.c
index 51237fb..6d20b04 100644
--- a/drivers/regulator/tps6586x-regulator.c
+++ b/drivers/regulator/tps6586x-regulator.c
@@ -231,8 +231,7 @@
 };
 
 #define TPS6586X_REGULATOR(_id, vdata, _ops, vreg, shift, nbits,	\
-			   ereg0, ebit0, ereg1, ebit1, goreg, gobit)	\
-{									\
+			   ereg0, ebit0, ereg1, ebit1)			\
 	.desc	= {							\
 		.name	= "REG-" #_id,					\
 		.ops	= &tps6586x_regulator_##_ops,			\
@@ -248,18 +247,26 @@
 	.enable_bit[0]	= (ebit0),					\
 	.enable_reg[1]	= TPS6586X_SUPPLY##ereg1,			\
 	.enable_bit[1]	= (ebit1),					\
-	.voltages	= tps6586x_##vdata##_voltages,			\
-}
+	.voltages	= tps6586x_##vdata##_voltages,
+
+#define TPS6586X_REGULATOR_DVM_GOREG(goreg, gobit)			\
+	.go_reg = TPS6586X_##goreg,					\
+	.go_bit = (gobit),
 
 #define TPS6586X_LDO(_id, vdata, vreg, shift, nbits,			\
 		     ereg0, ebit0, ereg1, ebit1)			\
+{									\
 	TPS6586X_REGULATOR(_id, vdata, ldo_ops, vreg, shift, nbits,	\
-			   ereg0, ebit0, ereg1, ebit1, 0, 0)
+			   ereg0, ebit0, ereg1, ebit1)			\
+}
 
 #define TPS6586X_DVM(_id, vdata, vreg, shift, nbits,			\
 		     ereg0, ebit0, ereg1, ebit1, goreg, gobit)		\
+{									\
 	TPS6586X_REGULATOR(_id, vdata, dvm_ops, vreg, shift, nbits,	\
-			   ereg0, ebit0, ereg1, ebit1, goreg, gobit)
+			   ereg0, ebit0, ereg1, ebit1)			\
+	TPS6586X_REGULATOR_DVM_GOREG(goreg, gobit)			\
+}
 
 static struct tps6586x_regulator tps6586x_regulator[] = {
 	TPS6586X_LDO(LDO_0, ldo, SUPPLYV1, 5, 3, ENC, 0, END, 0),
@@ -267,11 +274,11 @@
 	TPS6586X_LDO(LDO_5, ldo, SUPPLYV6, 0, 3, ENE, 6, ENE, 6),
 	TPS6586X_LDO(LDO_6, ldo, SUPPLYV3, 0, 3, ENC, 4, END, 4),
 	TPS6586X_LDO(LDO_7, ldo, SUPPLYV3, 3, 3, ENC, 5, END, 5),
-	TPS6586X_LDO(LDO_8, ldo, SUPPLYV1, 5, 3, ENC, 6, END, 6),
+	TPS6586X_LDO(LDO_8, ldo, SUPPLYV2, 5, 3, ENC, 6, END, 6),
 	TPS6586X_LDO(LDO_9, ldo, SUPPLYV6, 3, 3, ENE, 7, ENE, 7),
-	TPS6586X_LDO(LDO_RTC, ldo, SUPPLYV4, 3, 3, ENE, 7, ENE, 7),
+	TPS6586X_LDO(LDO_RTC, ldo, SUPPLYV4, 3, 3, V4, 7, V4, 7),
 	TPS6586X_LDO(LDO_1, dvm, SUPPLYV1, 0, 5, ENC, 1, END, 1),
-	TPS6586X_LDO(SM_2, sm2, SUPPLYV2, 0, 5, ENC, 1, END, 1),
+	TPS6586X_LDO(SM_2, sm2, SUPPLYV2, 0, 5, ENC, 7, END, 7),
 
 	TPS6586X_DVM(LDO_2, dvm, LDO2BV1, 0, 5, ENA, 3, ENB, 3, VCC2, 6),
 	TPS6586X_DVM(LDO_4, ldo4, LDO4V1, 0, 5, ENC, 3, END, 3, VCC1, 6),
@@ -290,6 +297,10 @@
 	uint8_t val1, val2;
 	int ret;
 
+	if (ri->enable_reg[0] == ri->enable_reg[1] &&
+	    ri->enable_bit[0] == ri->enable_bit[1])
+			return 0;
+
 	ret = tps6586x_read(parent, ri->enable_reg[0], &val1);
 	if (ret)
 		return ret;
@@ -298,14 +309,14 @@
 	if (ret)
 		return ret;
 
-	if (!(val2 & ri->enable_bit[1]))
+	if (!(val2 & (1 << ri->enable_bit[1])))
 		return 0;
 
 	/*
 	 * The regulator is on, but it's enabled with the bit we don't
 	 * want to use, so we switch the enable bits
 	 */
-	if (!(val1 & ri->enable_bit[0])) {
+	if (!(val1 & (1 << ri->enable_bit[0]))) {
 		ret = tps6586x_set_bits(parent, ri->enable_reg[0],
 					1 << ri->enable_bit[0]);
 		if (ret)
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index a5050e2..825951b 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -635,7 +635,7 @@
 	init_subchannel_id(&mchk_schid);
 	mchk_schid.sch_no = crw0->rsid;
 	if (crw1)
-		mchk_schid.ssid = (crw1->rsid >> 8) & 3;
+		mchk_schid.ssid = (crw1->rsid >> 4) & 3;
 
 	/*
 	 * Since we are always presented with IPI in the CRW, we have to
diff --git a/drivers/video/modedb.c b/drivers/video/modedb.c
index 0a4dbdc..de450c1 100644
--- a/drivers/video/modedb.c
+++ b/drivers/video/modedb.c
@@ -855,6 +855,7 @@
 			abs(cmode->yres - mode->yres);
 		if (diff > d) {
 			diff = d;
+			diff_refresh = abs(cmode->refresh - mode->refresh);
 			best = cmode;
 		} else if (diff == d) {
 			d = abs(cmode->refresh - mode->refresh);
diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c
index d5c1401..d34896c 100644
--- a/fs/autofs4/root.c
+++ b/fs/autofs4/root.c
@@ -980,19 +980,11 @@
 	}
 }
 
-static DEFINE_MUTEX(autofs4_ioctl_mutex);
-
 static long autofs4_root_ioctl(struct file *filp,
 			       unsigned int cmd, unsigned long arg)
 {
-	long ret;
 	struct inode *inode = filp->f_dentry->d_inode;
-
-	mutex_lock(&autofs4_ioctl_mutex);
-	ret = autofs4_root_ioctl_unlocked(inode, filp, cmd, arg);
-	mutex_unlock(&autofs4_ioctl_mutex);
-
-	return ret;
+	return autofs4_root_ioctl_unlocked(inode, filp, cmd, arg);
 }
 
 #ifdef CONFIG_COMPAT
@@ -1002,13 +994,11 @@
 	struct inode *inode = filp->f_path.dentry->d_inode;
 	int ret;
 
-	mutex_lock(&autofs4_ioctl_mutex);
 	if (cmd == AUTOFS_IOC_READY || cmd == AUTOFS_IOC_FAIL)
 		ret = autofs4_root_ioctl_unlocked(inode, filp, cmd, arg);
 	else
 		ret = autofs4_root_ioctl_unlocked(inode, filp, cmd,
 			(unsigned long)compat_ptr(arg));
-	mutex_unlock(&autofs4_ioctl_mutex);
 
 	return ret;
 }
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index c547cca..51d2e4d 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -696,6 +696,7 @@
 				   __btree_submit_bio_done);
 }
 
+#ifdef CONFIG_MIGRATION
 static int btree_migratepage(struct address_space *mapping,
 			struct page *newpage, struct page *page)
 {
@@ -712,12 +713,9 @@
 	if (page_has_private(page) &&
 	    !try_to_release_page(page, GFP_KERNEL))
 		return -EAGAIN;
-#ifdef CONFIG_MIGRATION
 	return migrate_page(mapping, newpage, page);
-#else
-	return -ENOSYS;
-#endif
 }
+#endif
 
 static int btree_writepage(struct page *page, struct writeback_control *wbc)
 {
@@ -1009,7 +1007,10 @@
 	blocksize = btrfs_level_size(root, btrfs_root_level(&root->root_item));
 	root->node = read_tree_block(root, btrfs_root_bytenr(&root->root_item),
 				     blocksize, generation);
-	BUG_ON(!root->node);
+	if (!root->node || !btrfs_buffer_uptodate(root->node, generation)) {
+		free_extent_buffer(root->node);
+		return -EIO;
+	}
 	root->commit_root = btrfs_root_node(root);
 	return 0;
 }
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index bcd59c7..227e581 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -429,6 +429,7 @@
 
 static int cache_block_group(struct btrfs_block_group_cache *cache,
 			     struct btrfs_trans_handle *trans,
+			     struct btrfs_root *root,
 			     int load_cache_only)
 {
 	struct btrfs_fs_info *fs_info = cache->fs_info;
@@ -442,9 +443,12 @@
 
 	/*
 	 * We can't do the read from on-disk cache during a commit since we need
-	 * to have the normal tree locking.
+	 * to have the normal tree locking.  Also if we are currently trying to
+	 * allocate blocks for the tree root we can't do the fast caching since
+	 * we likely hold important locks.
 	 */
-	if (!trans->transaction->in_commit) {
+	if (!trans->transaction->in_commit &&
+	    (root && root != root->fs_info->tree_root)) {
 		spin_lock(&cache->lock);
 		if (cache->cached != BTRFS_CACHE_NO) {
 			spin_unlock(&cache->lock);
@@ -2741,6 +2745,7 @@
 	struct btrfs_root *root = block_group->fs_info->tree_root;
 	struct inode *inode = NULL;
 	u64 alloc_hint = 0;
+	int dcs = BTRFS_DC_ERROR;
 	int num_pages = 0;
 	int retries = 0;
 	int ret = 0;
@@ -2795,6 +2800,8 @@
 
 	spin_lock(&block_group->lock);
 	if (block_group->cached != BTRFS_CACHE_FINISHED) {
+		/* We're not cached, don't bother trying to write stuff out */
+		dcs = BTRFS_DC_WRITTEN;
 		spin_unlock(&block_group->lock);
 		goto out_put;
 	}
@@ -2821,6 +2828,8 @@
 	ret = btrfs_prealloc_file_range_trans(inode, trans, 0, 0, num_pages,
 					      num_pages, num_pages,
 					      &alloc_hint);
+	if (!ret)
+		dcs = BTRFS_DC_SETUP;
 	btrfs_free_reserved_data_space(inode, num_pages);
 out_put:
 	iput(inode);
@@ -2828,10 +2837,7 @@
 	btrfs_release_path(root, path);
 out:
 	spin_lock(&block_group->lock);
-	if (ret)
-		block_group->disk_cache_state = BTRFS_DC_ERROR;
-	else
-		block_group->disk_cache_state = BTRFS_DC_SETUP;
+	block_group->disk_cache_state = dcs;
 	spin_unlock(&block_group->lock);
 
 	return ret;
@@ -3037,7 +3043,13 @@
 
 u64 btrfs_reduce_alloc_profile(struct btrfs_root *root, u64 flags)
 {
-	u64 num_devices = root->fs_info->fs_devices->rw_devices;
+	/*
+	 * we add in the count of missing devices because we want
+	 * to make sure that any RAID levels on a degraded FS
+	 * continue to be honored.
+	 */
+	u64 num_devices = root->fs_info->fs_devices->rw_devices +
+		root->fs_info->fs_devices->missing_devices;
 
 	if (num_devices == 1)
 		flags &= ~(BTRFS_BLOCK_GROUP_RAID1 | BTRFS_BLOCK_GROUP_RAID0);
@@ -4080,7 +4092,7 @@
 		 * space back to the block group, otherwise we will leak space.
 		 */
 		if (!alloc && cache->cached == BTRFS_CACHE_NO)
-			cache_block_group(cache, trans, 1);
+			cache_block_group(cache, trans, NULL, 1);
 
 		byte_in_group = bytenr - cache->key.objectid;
 		WARN_ON(byte_in_group > cache->key.offset);
@@ -4930,11 +4942,31 @@
 		btrfs_get_block_group(block_group);
 		search_start = block_group->key.objectid;
 
+		/*
+		 * this can happen if we end up cycling through all the
+		 * raid types, but we want to make sure we only allocate
+		 * for the proper type.
+		 */
+		if (!block_group_bits(block_group, data)) {
+		    u64 extra = BTRFS_BLOCK_GROUP_DUP |
+				BTRFS_BLOCK_GROUP_RAID1 |
+				BTRFS_BLOCK_GROUP_RAID10;
+
+			/*
+			 * if they asked for extra copies and this block group
+			 * doesn't provide them, bail.  This does allow us to
+			 * fill raid0 from raid1.
+			 */
+			if ((data & extra) && !(block_group->flags & extra))
+				goto loop;
+		}
+
 have_block_group:
 		if (unlikely(block_group->cached == BTRFS_CACHE_NO)) {
 			u64 free_percent;
 
-			ret = cache_block_group(block_group, trans, 1);
+			ret = cache_block_group(block_group, trans,
+						orig_root, 1);
 			if (block_group->cached == BTRFS_CACHE_FINISHED)
 				goto have_block_group;
 
@@ -4958,7 +4990,8 @@
 			if (loop > LOOP_CACHING_NOWAIT ||
 			    (loop > LOOP_FIND_IDEAL &&
 			     atomic_read(&space_info->caching_threads) < 2)) {
-				ret = cache_block_group(block_group, trans, 0);
+				ret = cache_block_group(block_group, trans,
+							orig_root, 0);
 				BUG_ON(ret);
 			}
 			found_uncached_bg = true;
@@ -5515,7 +5548,7 @@
 	u64 num_bytes = ins->offset;
 
 	block_group = btrfs_lookup_block_group(root->fs_info, ins->objectid);
-	cache_block_group(block_group, trans, 0);
+	cache_block_group(block_group, trans, NULL, 0);
 	caching_ctl = get_caching_control(block_group);
 
 	if (!caching_ctl) {
@@ -6300,9 +6333,13 @@
 					   NULL, NULL);
 		BUG_ON(ret < 0);
 		if (ret > 0) {
-			ret = btrfs_del_orphan_item(trans, tree_root,
-						    root->root_key.objectid);
-			BUG_ON(ret);
+			/* if we fail to delete the orphan item this time
+			 * around, it'll get picked up the next time.
+			 *
+			 * The most common failure here is just -ENOENT.
+			 */
+			btrfs_del_orphan_item(trans, tree_root,
+					      root->root_key.objectid);
 		}
 	}
 
@@ -7878,7 +7915,14 @@
 	u64 stripped = BTRFS_BLOCK_GROUP_RAID0 |
 		BTRFS_BLOCK_GROUP_RAID1 | BTRFS_BLOCK_GROUP_RAID10;
 
-	num_devices = root->fs_info->fs_devices->rw_devices;
+	/*
+	 * we add in the count of missing devices because we want
+	 * to make sure that any RAID levels on a degraded FS
+	 * continue to be honored.
+	 */
+	num_devices = root->fs_info->fs_devices->rw_devices +
+		root->fs_info->fs_devices->missing_devices;
+
 	if (num_devices == 1) {
 		stripped |= BTRFS_BLOCK_GROUP_DUP;
 		stripped = flags & ~stripped;
@@ -8247,7 +8291,6 @@
 			break;
 		if (ret != 0)
 			goto error;
-
 		leaf = path->nodes[0];
 		btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);
 		cache = kzalloc(sizeof(*cache), GFP_NOFS);
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index c1faded..66836d8 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -48,30 +48,34 @@
 					 struct page **prepared_pages,
 					 struct iov_iter *i)
 {
-	size_t copied;
+	size_t copied = 0;
 	int pg = 0;
 	int offset = pos & (PAGE_CACHE_SIZE - 1);
+	int total_copied = 0;
 
 	while (write_bytes > 0) {
 		size_t count = min_t(size_t,
 				     PAGE_CACHE_SIZE - offset, write_bytes);
 		struct page *page = prepared_pages[pg];
-again:
-		if (unlikely(iov_iter_fault_in_readable(i, count)))
-			return -EFAULT;
-
-		/* Copy data from userspace to the current page */
-		copied = iov_iter_copy_from_user(page, i, offset, count);
+		/*
+		 * Copy data from userspace to the current page
+		 *
+		 * Disable pagefault to avoid recursive lock since
+		 * the pages are already locked
+		 */
+		pagefault_disable();
+		copied = iov_iter_copy_from_user_atomic(page, i, offset, count);
+		pagefault_enable();
 
 		/* Flush processor's dcache for this page */
 		flush_dcache_page(page);
 		iov_iter_advance(i, copied);
 		write_bytes -= copied;
+		total_copied += copied;
 
+		/* Return to btrfs_file_aio_write to fault page */
 		if (unlikely(copied == 0)) {
-			count = min_t(size_t, PAGE_CACHE_SIZE - offset,
-				      iov_iter_single_seg_count(i));
-			goto again;
+			break;
 		}
 
 		if (unlikely(copied < PAGE_CACHE_SIZE - offset)) {
@@ -81,7 +85,7 @@
 			offset = 0;
 		}
 	}
-	return 0;
+	return total_copied;
 }
 
 /*
@@ -854,6 +858,8 @@
 	unsigned long last_index;
 	int will_write;
 	int buffered = 0;
+	int copied = 0;
+	int dirty_pages = 0;
 
 	will_write = ((file->f_flags & O_DSYNC) || IS_SYNC(inode) ||
 		      (file->f_flags & O_DIRECT));
@@ -970,7 +976,17 @@
 		WARN_ON(num_pages > nrptrs);
 		memset(pages, 0, sizeof(struct page *) * nrptrs);
 
-		ret = btrfs_delalloc_reserve_space(inode, write_bytes);
+		/*
+		 * Fault pages before locking them in prepare_pages
+		 * to avoid recursive lock
+		 */
+		if (unlikely(iov_iter_fault_in_readable(&i, write_bytes))) {
+			ret = -EFAULT;
+			goto out;
+		}
+
+		ret = btrfs_delalloc_reserve_space(inode,
+					num_pages << PAGE_CACHE_SHIFT);
 		if (ret)
 			goto out;
 
@@ -978,37 +994,49 @@
 				    pos, first_index, last_index,
 				    write_bytes);
 		if (ret) {
-			btrfs_delalloc_release_space(inode, write_bytes);
+			btrfs_delalloc_release_space(inode,
+					num_pages << PAGE_CACHE_SHIFT);
 			goto out;
 		}
 
-		ret = btrfs_copy_from_user(pos, num_pages,
+		copied = btrfs_copy_from_user(pos, num_pages,
 					   write_bytes, pages, &i);
-		if (ret == 0) {
+		dirty_pages = (copied + PAGE_CACHE_SIZE - 1) >>
+					PAGE_CACHE_SHIFT;
+
+		if (num_pages > dirty_pages) {
+			if (copied > 0)
+				atomic_inc(
+					&BTRFS_I(inode)->outstanding_extents);
+			btrfs_delalloc_release_space(inode,
+					(num_pages - dirty_pages) <<
+					PAGE_CACHE_SHIFT);
+		}
+
+		if (copied > 0) {
 			dirty_and_release_pages(NULL, root, file, pages,
-						num_pages, pos, write_bytes);
+						dirty_pages, pos, copied);
 		}
 
 		btrfs_drop_pages(pages, num_pages);
-		if (ret) {
-			btrfs_delalloc_release_space(inode, write_bytes);
-			goto out;
+
+		if (copied > 0) {
+			if (will_write) {
+				filemap_fdatawrite_range(inode->i_mapping, pos,
+							 pos + copied - 1);
+			} else {
+				balance_dirty_pages_ratelimited_nr(
+							inode->i_mapping,
+							dirty_pages);
+				if (dirty_pages <
+				(root->leafsize >> PAGE_CACHE_SHIFT) + 1)
+					btrfs_btree_balance_dirty(root, 1);
+				btrfs_throttle(root);
+			}
 		}
 
-		if (will_write) {
-			filemap_fdatawrite_range(inode->i_mapping, pos,
-						 pos + write_bytes - 1);
-		} else {
-			balance_dirty_pages_ratelimited_nr(inode->i_mapping,
-							   num_pages);
-			if (num_pages <
-			    (root->leafsize >> PAGE_CACHE_SHIFT) + 1)
-				btrfs_btree_balance_dirty(root, 1);
-			btrfs_throttle(root);
-		}
-
-		pos += write_bytes;
-		num_written += write_bytes;
+		pos += copied;
+		num_written += copied;
 
 		cond_resched();
 	}
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 22ee0dc..60d6842 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -290,7 +290,7 @@
 		       (unsigned long long)BTRFS_I(inode)->generation,
 		       (unsigned long long)generation,
 		       (unsigned long long)block_group->key.objectid);
-		goto out;
+		goto free_cache;
 	}
 
 	if (!num_entries)
@@ -524,6 +524,12 @@
 		return 0;
 	}
 
+	node = rb_first(&block_group->free_space_offset);
+	if (!node) {
+		iput(inode);
+		return 0;
+	}
+
 	last_index = (i_size_read(inode) - 1) >> PAGE_CACHE_SHIFT;
 	filemap_write_and_wait(inode->i_mapping);
 	btrfs_wait_ordered_range(inode, inode->i_size &
@@ -543,10 +549,6 @@
 	 */
 	first_page_offset = (sizeof(u32) * num_checksums) + sizeof(u64);
 
-	node = rb_first(&block_group->free_space_offset);
-	if (!node)
-		goto out_free;
-
 	/*
 	 * Lock all pages first so we can lock the extent safely.
 	 *
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 8039390..72f31ec 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -495,7 +495,7 @@
 		add_async_extent(async_cow, start, num_bytes,
 				 total_compressed, pages, nr_pages_ret);
 
-		if (start + num_bytes < end && start + num_bytes < actual_end) {
+		if (start + num_bytes < end) {
 			start += num_bytes;
 			pages = NULL;
 			cond_resched();
@@ -5712,9 +5712,9 @@
 
 	if (err) {
 		printk(KERN_ERR "btrfs direct IO failed ino %lu rw %lu "
-		      "disk_bytenr %lu len %u err no %d\n",
-		      dip->inode->i_ino, bio->bi_rw, bio->bi_sector,
-		      bio->bi_size, err);
+		      "sector %#Lx len %u err no %d\n",
+		      dip->inode->i_ino, bio->bi_rw,
+		      (unsigned long long)bio->bi_sector, bio->bi_size, err);
 		dip->errors = 1;
 
 		/*
@@ -5934,8 +5934,7 @@
 	 */
 	if (write) {
 		struct btrfs_ordered_extent *ordered;
-		ordered = btrfs_lookup_ordered_extent(inode,
-						      dip->logical_offset);
+		ordered = btrfs_lookup_ordered_extent(inode, file_offset);
 		if (!test_bit(BTRFS_ORDERED_PREALLOC, &ordered->flags) &&
 		    !test_bit(BTRFS_ORDERED_NOCOW, &ordered->flags))
 			btrfs_free_reserved_extent(root, ordered->start,
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index f1c9bb4..f87552a 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -947,23 +947,42 @@
 
 static noinline int btrfs_ioctl_snap_create(struct file *file,
 					    void __user *arg, int subvol,
-					    int async)
+					    int v2)
 {
 	struct btrfs_ioctl_vol_args *vol_args = NULL;
-	struct btrfs_ioctl_async_vol_args *async_vol_args = NULL;
+	struct btrfs_ioctl_vol_args_v2 *vol_args_v2 = NULL;
 	char *name;
 	u64 fd;
-	u64 transid = 0;
 	int ret;
 
-	if (async) {
-		async_vol_args = memdup_user(arg, sizeof(*async_vol_args));
-		if (IS_ERR(async_vol_args))
-			return PTR_ERR(async_vol_args);
+	if (v2) {
+		u64 transid = 0;
+		u64 *ptr = NULL;
 
-		name = async_vol_args->name;
-		fd = async_vol_args->fd;
-		async_vol_args->name[BTRFS_SNAPSHOT_NAME_MAX] = '\0';
+		vol_args_v2 = memdup_user(arg, sizeof(*vol_args_v2));
+		if (IS_ERR(vol_args_v2))
+			return PTR_ERR(vol_args_v2);
+
+		if (vol_args_v2->flags & ~BTRFS_SUBVOL_CREATE_ASYNC) {
+			ret = -EINVAL;
+			goto out;
+		}
+
+		name = vol_args_v2->name;
+		fd = vol_args_v2->fd;
+		vol_args_v2->name[BTRFS_SUBVOL_NAME_MAX] = '\0';
+
+		if (vol_args_v2->flags & BTRFS_SUBVOL_CREATE_ASYNC)
+			ptr = &transid;
+
+		ret = btrfs_ioctl_snap_create_transid(file, name, fd,
+						      subvol, ptr);
+
+		if (ret == 0 && ptr &&
+		    copy_to_user(arg +
+				 offsetof(struct btrfs_ioctl_vol_args_v2,
+					  transid), ptr, sizeof(*ptr)))
+			ret = -EFAULT;
 	} else {
 		vol_args = memdup_user(arg, sizeof(*vol_args));
 		if (IS_ERR(vol_args))
@@ -971,20 +990,13 @@
 		name = vol_args->name;
 		fd = vol_args->fd;
 		vol_args->name[BTRFS_PATH_NAME_MAX] = '\0';
+
+		ret = btrfs_ioctl_snap_create_transid(file, name, fd,
+						      subvol, NULL);
 	}
-
-	ret = btrfs_ioctl_snap_create_transid(file, name, fd,
-					      subvol, &transid);
-
-	if (!ret && async) {
-		if (copy_to_user(arg +
-				offsetof(struct btrfs_ioctl_async_vol_args,
-				transid), &transid, sizeof(transid)))
-			return -EFAULT;
-	}
-
+out:
 	kfree(vol_args);
-	kfree(async_vol_args);
+	kfree(vol_args_v2);
 
 	return ret;
 }
@@ -2246,7 +2258,7 @@
 		return btrfs_ioctl_getversion(file, argp);
 	case BTRFS_IOC_SNAP_CREATE:
 		return btrfs_ioctl_snap_create(file, argp, 0, 0);
-	case BTRFS_IOC_SNAP_CREATE_ASYNC:
+	case BTRFS_IOC_SNAP_CREATE_V2:
 		return btrfs_ioctl_snap_create(file, argp, 0, 1);
 	case BTRFS_IOC_SUBVOL_CREATE:
 		return btrfs_ioctl_snap_create(file, argp, 1, 0);
diff --git a/fs/btrfs/ioctl.h b/fs/btrfs/ioctl.h
index 17c99eb..c344d12 100644
--- a/fs/btrfs/ioctl.h
+++ b/fs/btrfs/ioctl.h
@@ -30,11 +30,15 @@
 	char name[BTRFS_PATH_NAME_MAX + 1];
 };
 
-#define BTRFS_SNAPSHOT_NAME_MAX 4079
-struct btrfs_ioctl_async_vol_args {
+#define BTRFS_SUBVOL_CREATE_ASYNC	(1ULL << 0)
+
+#define BTRFS_SUBVOL_NAME_MAX 4039
+struct btrfs_ioctl_vol_args_v2 {
 	__s64 fd;
 	__u64 transid;
-	char name[BTRFS_SNAPSHOT_NAME_MAX + 1];
+	__u64 flags;
+	__u64 unused[4];
+	char name[BTRFS_SUBVOL_NAME_MAX + 1];
 };
 
 #define BTRFS_INO_LOOKUP_PATH_MAX 4080
@@ -187,6 +191,6 @@
 				    struct btrfs_ioctl_space_args)
 #define BTRFS_IOC_START_SYNC _IOR(BTRFS_IOCTL_MAGIC, 24, __u64)
 #define BTRFS_IOC_WAIT_SYNC  _IOW(BTRFS_IOCTL_MAGIC, 22, __u64)
-#define BTRFS_IOC_SNAP_CREATE_ASYNC _IOW(BTRFS_IOCTL_MAGIC, 23, \
-				   struct btrfs_ioctl_async_vol_args)
+#define BTRFS_IOC_SNAP_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 23, \
+				   struct btrfs_ioctl_vol_args_v2)
 #endif
diff --git a/fs/btrfs/orphan.c b/fs/btrfs/orphan.c
index 79cba5f..f8be250 100644
--- a/fs/btrfs/orphan.c
+++ b/fs/btrfs/orphan.c
@@ -56,8 +56,12 @@
 		return -ENOMEM;
 
 	ret = btrfs_search_slot(trans, root, &key, path, -1, 1);
-	if (ret)
+	if (ret < 0)
 		goto out;
+	if (ret) {
+		ret = -ENOENT;
+		goto out;
+	}
 
 	ret = btrfs_del_item(trans, root, path);
 
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index dbb51ea..883c6fa 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -685,9 +685,9 @@
 		mutex_unlock(&root->d_inode->i_mutex);
 
 		if (IS_ERR(new_root)) {
+			dput(root);
 			deactivate_locked_super(s);
 			error = PTR_ERR(new_root);
-			dput(root);
 			goto error_free_subvol_name;
 		}
 		if (!new_root->d_inode) {
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index cc04dc1..6b98845 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -412,12 +412,16 @@
 
 		device->fs_devices = fs_devices;
 		fs_devices->num_devices++;
-	} else if (strcmp(device->name, path)) {
+	} else if (!device->name || strcmp(device->name, path)) {
 		name = kstrdup(path, GFP_NOFS);
 		if (!name)
 			return -ENOMEM;
 		kfree(device->name);
 		device->name = name;
+		if (device->missing) {
+			fs_devices->missing_devices--;
+			device->missing = 0;
+		}
 	}
 
 	if (found_transid > fs_devices->latest_trans) {
@@ -1236,6 +1240,9 @@
 
 	device->fs_devices->num_devices--;
 
+	if (device->missing)
+		root->fs_info->fs_devices->missing_devices--;
+
 	next_device = list_entry(root->fs_info->fs_devices->devices.next,
 				 struct btrfs_device, dev_list);
 	if (device->bdev == root->fs_info->sb->s_bdev)
@@ -3080,7 +3087,9 @@
 	device->devid = devid;
 	device->work.func = pending_bios_fn;
 	device->fs_devices = fs_devices;
+	device->missing = 1;
 	fs_devices->num_devices++;
+	fs_devices->missing_devices++;
 	spin_lock_init(&device->io_lock);
 	INIT_LIST_HEAD(&device->dev_alloc_list);
 	memcpy(device->uuid, dev_uuid, BTRFS_UUID_SIZE);
@@ -3278,6 +3287,15 @@
 			device = add_missing_dev(root, devid, dev_uuid);
 			if (!device)
 				return -ENOMEM;
+		} else if (!device->missing) {
+			/*
+			 * this happens when a device that was properly setup
+			 * in the device info lists suddenly goes bad.
+			 * device->bdev is NULL, and so we have to set
+			 * device->missing to one here
+			 */
+			root->fs_info->fs_devices->missing_devices++;
+			device->missing = 1;
 		}
 	}
 
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index 2b638b6..2740db4 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -44,6 +44,7 @@
 
 	int writeable;
 	int in_fs_metadata;
+	int missing;
 
 	spinlock_t io_lock;
 
@@ -93,6 +94,7 @@
 	u64 num_devices;
 	u64 open_devices;
 	u64 rw_devices;
+	u64 missing_devices;
 	u64 total_rw_bytes;
 	struct block_device *latest_bdev;
 
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index 7d447af..158c700 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -114,8 +114,8 @@
 	spin_lock(&dcache_lock);
 
 	/* start at beginning? */
-	if (filp->f_pos == 2 || (last &&
-				 filp->f_pos < ceph_dentry(last)->offset)) {
+	if (filp->f_pos == 2 || last == NULL ||
+	    filp->f_pos < ceph_dentry(last)->offset) {
 		if (list_empty(&parent->d_subdirs))
 			goto out_unlock;
 		p = parent->d_subdirs.prev;
diff --git a/fs/ceph/ioctl.h b/fs/ceph/ioctl.h
index a6ce54e..52e8fd7 100644
--- a/fs/ceph/ioctl.h
+++ b/fs/ceph/ioctl.h
@@ -4,7 +4,7 @@
 #include <linux/ioctl.h>
 #include <linux/types.h>
 
-#define CEPH_IOCTL_MAGIC 0x98
+#define CEPH_IOCTL_MAGIC 0x97
 
 /* just use u64 to align sanely on all archs */
 struct ceph_ioctl_layout {
diff --git a/fs/ceph/locks.c b/fs/ceph/locks.c
index 40abde9..476b329 100644
--- a/fs/ceph/locks.c
+++ b/fs/ceph/locks.c
@@ -11,40 +11,68 @@
  * Implement fcntl and flock locking functions.
  */
 static int ceph_lock_message(u8 lock_type, u16 operation, struct file *file,
-			     u64 pid, u64 pid_ns,
-			     int cmd, u64 start, u64 length, u8 wait)
+			     int cmd, u8 wait, struct file_lock *fl)
 {
 	struct inode *inode = file->f_dentry->d_inode;
 	struct ceph_mds_client *mdsc =
 		ceph_sb_to_client(inode->i_sb)->mdsc;
 	struct ceph_mds_request *req;
 	int err;
+	u64 length = 0;
 
 	req = ceph_mdsc_create_request(mdsc, operation, USE_AUTH_MDS);
 	if (IS_ERR(req))
 		return PTR_ERR(req);
 	req->r_inode = igrab(inode);
 
+	/* mds requires start and length rather than start and end */
+	if (LLONG_MAX == fl->fl_end)
+		length = 0;
+	else
+		length = fl->fl_end - fl->fl_start + 1;
+
 	dout("ceph_lock_message: rule: %d, op: %d, pid: %llu, start: %llu, "
 	     "length: %llu, wait: %d, type`: %d", (int)lock_type,
-	     (int)operation, pid, start, length, wait, cmd);
+	     (int)operation, (u64)fl->fl_pid, fl->fl_start,
+	     length, wait, fl->fl_type);
+
 
 	req->r_args.filelock_change.rule = lock_type;
 	req->r_args.filelock_change.type = cmd;
-	req->r_args.filelock_change.pid = cpu_to_le64(pid);
+	req->r_args.filelock_change.pid = cpu_to_le64((u64)fl->fl_pid);
 	/* This should be adjusted, but I'm not sure if
 	   namespaces actually get id numbers*/
 	req->r_args.filelock_change.pid_namespace =
-		cpu_to_le64((u64)pid_ns);
-	req->r_args.filelock_change.start = cpu_to_le64(start);
+		cpu_to_le64((u64)(unsigned long)fl->fl_nspid);
+	req->r_args.filelock_change.start = cpu_to_le64(fl->fl_start);
 	req->r_args.filelock_change.length = cpu_to_le64(length);
 	req->r_args.filelock_change.wait = wait;
 
 	err = ceph_mdsc_do_request(mdsc, inode, req);
+
+	if ( operation == CEPH_MDS_OP_GETFILELOCK){
+		fl->fl_pid = le64_to_cpu(req->r_reply_info.filelock_reply->pid);
+		if (CEPH_LOCK_SHARED == req->r_reply_info.filelock_reply->type)
+			fl->fl_type = F_RDLCK;
+		else if (CEPH_LOCK_EXCL == req->r_reply_info.filelock_reply->type)
+			fl->fl_type = F_WRLCK;
+		else
+			fl->fl_type = F_UNLCK;
+
+		fl->fl_start = le64_to_cpu(req->r_reply_info.filelock_reply->start);
+		length = le64_to_cpu(req->r_reply_info.filelock_reply->start) +
+						 le64_to_cpu(req->r_reply_info.filelock_reply->length);
+		if (length >= 1)
+			fl->fl_end = length -1;
+		else
+			fl->fl_end = 0;
+
+	}
 	ceph_mdsc_put_request(req);
 	dout("ceph_lock_message: rule: %d, op: %d, pid: %llu, start: %llu, "
-	     "length: %llu, wait: %d, type`: %d err code %d", (int)lock_type,
-	     (int)operation, pid, start, length, wait, cmd, err);
+	     "length: %llu, wait: %d, type`: %d, err code %d", (int)lock_type,
+	     (int)operation, (u64)fl->fl_pid, fl->fl_start,
+	     length, wait, fl->fl_type, err);
 	return err;
 }
 
@@ -54,7 +82,6 @@
  */
 int ceph_lock(struct file *file, int cmd, struct file_lock *fl)
 {
-	u64 length;
 	u8 lock_cmd;
 	int err;
 	u8 wait = 0;
@@ -76,29 +103,20 @@
 	else
 		lock_cmd = CEPH_LOCK_UNLOCK;
 
-	if (LLONG_MAX == fl->fl_end)
-		length = 0;
-	else
-		length = fl->fl_end - fl->fl_start + 1;
-
-	err = ceph_lock_message(CEPH_LOCK_FCNTL, op, file,
-				(u64)fl->fl_pid,
-				(u64)(unsigned long)fl->fl_nspid,
-				lock_cmd, fl->fl_start,
-				length, wait);
+	err = ceph_lock_message(CEPH_LOCK_FCNTL, op, file, lock_cmd, wait, fl);
 	if (!err) {
-		dout("mds locked, locking locally");
-		err = posix_lock_file(file, fl, NULL);
-		if (err && (CEPH_MDS_OP_SETFILELOCK == op)) {
-			/* undo! This should only happen if the kernel detects
-			 * local deadlock. */
-			ceph_lock_message(CEPH_LOCK_FCNTL, op, file,
-					  (u64)fl->fl_pid,
-					  (u64)(unsigned long)fl->fl_nspid,
-					  CEPH_LOCK_UNLOCK, fl->fl_start,
-					  length, 0);
-			dout("got %d on posix_lock_file, undid lock", err);
+		if ( op != CEPH_MDS_OP_GETFILELOCK ){
+			dout("mds locked, locking locally");
+			err = posix_lock_file(file, fl, NULL);
+			if (err && (CEPH_MDS_OP_SETFILELOCK == op)) {
+				/* undo! This should only happen if the kernel detects
+				 * local deadlock. */
+				ceph_lock_message(CEPH_LOCK_FCNTL, op, file,
+						  CEPH_LOCK_UNLOCK, 0, fl);
+				dout("got %d on posix_lock_file, undid lock", err);
+			}
 		}
+
 	} else {
 		dout("mds returned error code %d", err);
 	}
@@ -107,7 +125,6 @@
 
 int ceph_flock(struct file *file, int cmd, struct file_lock *fl)
 {
-	u64 length;
 	u8 lock_cmd;
 	int err;
 	u8 wait = 1;
@@ -127,26 +144,15 @@
 		lock_cmd = CEPH_LOCK_EXCL;
 	else
 		lock_cmd = CEPH_LOCK_UNLOCK;
-	/* mds requires start and length rather than start and end */
-	if (LLONG_MAX == fl->fl_end)
-		length = 0;
-	else
-		length = fl->fl_end - fl->fl_start + 1;
 
 	err = ceph_lock_message(CEPH_LOCK_FLOCK, CEPH_MDS_OP_SETFILELOCK,
-				file, (u64)fl->fl_pid,
-				(u64)(unsigned long)fl->fl_nspid,
-				lock_cmd, fl->fl_start,
-				length, wait);
+				file, lock_cmd, wait, fl);
 	if (!err) {
 		err = flock_lock_file_wait(file, fl);
 		if (err) {
 			ceph_lock_message(CEPH_LOCK_FLOCK,
 					  CEPH_MDS_OP_SETFILELOCK,
-					  file, (u64)fl->fl_pid,
-					  (u64)(unsigned long)fl->fl_nspid,
-					  CEPH_LOCK_UNLOCK, fl->fl_start,
-					  length, 0);
+					  file, CEPH_LOCK_UNLOCK, 0, fl);
 			dout("got %d on flock_lock_file_wait, undid lock", err);
 		}
 	} else {
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 098b185..38800ea 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -202,6 +202,38 @@
 }
 
 /*
+ * parse fcntl F_GETLK results
+ */
+static int parse_reply_info_filelock(void **p, void *end,
+                struct ceph_mds_reply_info_parsed *info)
+{
+	if (*p + sizeof(*info->filelock_reply) > end)
+		goto bad;
+
+	info->filelock_reply = *p;
+	*p += sizeof(*info->filelock_reply);
+
+	if (unlikely(*p != end))
+		goto bad;
+	return 0;
+
+bad:
+	return -EIO;
+}
+
+/*
+ * parse extra results
+ */
+static int parse_reply_info_extra(void **p, void *end,
+                struct ceph_mds_reply_info_parsed *info)
+{
+	if (info->head->op == CEPH_MDS_OP_GETFILELOCK)
+		return parse_reply_info_filelock(p, end, info);
+	else
+		return parse_reply_info_dir(p, end, info);
+}
+
+/*
  * parse entire mds reply
  */
 static int parse_reply_info(struct ceph_msg *msg,
@@ -223,10 +255,10 @@
 			goto out_bad;
 	}
 
-	/* dir content */
+	/* extra */
 	ceph_decode_32_safe(&p, end, len, bad);
 	if (len > 0) {
-		err = parse_reply_info_dir(&p, p+len, info);
+		err = parse_reply_info_extra(&p, p+len, info);
 		if (err < 0)
 			goto out_bad;
 	}
@@ -2074,7 +2106,7 @@
 
 	mutex_lock(&session->s_mutex);
 	if (err < 0) {
-		pr_err("mdsc_handle_reply got corrupt reply mds%d\n", mds);
+		pr_err("mdsc_handle_reply got corrupt reply mds%d(tid:%lld)\n", mds, tid);
 		ceph_msg_dump(msg);
 		goto out_err;
 	}
@@ -2094,7 +2126,8 @@
 	mutex_lock(&req->r_fill_mutex);
 	err = ceph_fill_trace(mdsc->fsc->sb, req, req->r_session);
 	if (err == 0) {
-		if (result == 0 && rinfo->dir_nr)
+		if (result == 0 && req->r_op != CEPH_MDS_OP_GETFILELOCK &&
+		    rinfo->dir_nr)
 			ceph_readdir_prepopulate(req, req->r_session);
 		ceph_unreserve_caps(mdsc, &req->r_caps_reservation);
 	}
diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h
index 9341fd4..aabe563 100644
--- a/fs/ceph/mds_client.h
+++ b/fs/ceph/mds_client.h
@@ -42,26 +42,37 @@
 };
 
 /*
- * parsed info about an mds reply, including information about the
- * target inode and/or its parent directory and dentry, and directory
- * contents (for readdir results).
+ * parsed info about an mds reply, including information about
+ * either: 1) the target inode and/or its parent directory and dentry,
+ * and directory contents (for readdir results), or
+ * 2) the file range lock info (for fcntl F_GETLK results).
  */
 struct ceph_mds_reply_info_parsed {
 	struct ceph_mds_reply_head    *head;
 
+	/* trace */
 	struct ceph_mds_reply_info_in diri, targeti;
 	struct ceph_mds_reply_dirfrag *dirfrag;
 	char                          *dname;
 	u32                           dname_len;
 	struct ceph_mds_reply_lease   *dlease;
 
-	struct ceph_mds_reply_dirfrag *dir_dir;
-	int                           dir_nr;
-	char                          **dir_dname;
-	u32                           *dir_dname_len;
-	struct ceph_mds_reply_lease   **dir_dlease;
-	struct ceph_mds_reply_info_in *dir_in;
-	u8                            dir_complete, dir_end;
+	/* extra */
+	union {
+		/* for fcntl F_GETLK results */
+		struct ceph_filelock *filelock_reply;
+
+		/* for readdir results */
+		struct {
+			struct ceph_mds_reply_dirfrag *dir_dir;
+			int                           dir_nr;
+			char                          **dir_dname;
+			u32                           *dir_dname_len;
+			struct ceph_mds_reply_lease   **dir_dlease;
+			struct ceph_mds_reply_info_in *dir_in;
+			u8                            dir_complete, dir_end;
+		};
+	};
 
 	/* encoded blob describing snapshot contexts for certain
 	   operations (e.g., open) */
diff --git a/fs/cifs/Makefile b/fs/cifs/Makefile
index adefa60..43b19dd 100644
--- a/fs/cifs/Makefile
+++ b/fs/cifs/Makefile
@@ -6,7 +6,9 @@
 cifs-y := cifsfs.o cifssmb.o cifs_debug.o connect.o dir.o file.o inode.o \
 	  link.o misc.o netmisc.o smbdes.o smbencrypt.o transport.o asn1.o \
 	  md4.o md5.o cifs_unicode.o nterr.o xattr.o cifsencrypt.o \
-	  readdir.o ioctl.o sess.o export.o cifsacl.o
+	  readdir.o ioctl.o sess.o export.o
+
+cifs-$(CONFIG_CIFS_ACL) += cifsacl.o
 
 cifs-$(CONFIG_CIFS_UPCALL) += cifs_spnego.o
 
diff --git a/fs/cifs/README b/fs/cifs/README
index ee68d10..46af99a 100644
--- a/fs/cifs/README
+++ b/fs/cifs/README
@@ -337,6 +337,15 @@
   wsize		default write size (default 57344)
 		maximum wsize currently allowed by CIFS is 57344 (fourteen
 		4096 byte pages)
+  actimeo=n	attribute cache timeout in seconds (default 1 second).
+		After this timeout, the cifs client requests fresh attribute
+		information from the server. This option allows to tune the
+		attribute cache timeout to suit the workload needs. Shorter
+		timeouts mean better the cache coherency, but increased number
+		of calls to the server. Longer timeouts mean reduced number
+		of calls to the server at the expense of less stricter cache
+		coherency checks (i.e. incorrect attribute cache for a short
+		period of time).
   rw		mount the network share read-write (note that the
 		server may still consider the share read-only)
   ro		mount network share read-only
diff --git a/fs/cifs/cifs_fs_sb.h b/fs/cifs/cifs_fs_sb.h
index e9a393c..7852cd6 100644
--- a/fs/cifs/cifs_fs_sb.h
+++ b/fs/cifs/cifs_fs_sb.h
@@ -48,6 +48,7 @@
 	struct nls_table *local_nls;
 	unsigned int rsize;
 	unsigned int wsize;
+	unsigned long actimeo; /* attribute cache timeout (jiffies) */
 	atomic_t active;
 	uid_t	mnt_uid;
 	gid_t	mnt_gid;
diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c
index c6ebea0..a437ec3 100644
--- a/fs/cifs/cifsacl.c
+++ b/fs/cifs/cifsacl.c
@@ -30,8 +30,6 @@
 #include "cifs_debug.h"
 
 
-#ifdef CONFIG_CIFS_EXPERIMENTAL
-
 static struct cifs_wksid wksidarr[NUM_WK_SIDS] = {
 	{{1, 0, {0, 0, 0, 0, 0, 0}, {0, 0, 0, 0, 0} }, "null user"},
 	{{1, 1, {0, 0, 0, 0, 0, 1}, {0, 0, 0, 0, 0} }, "nobody"},
@@ -774,4 +772,3 @@
 
 	return rc;
 }
-#endif /* CONFIG_CIFS_EXPERIMENTAL */
diff --git a/fs/cifs/cifsacl.h b/fs/cifs/cifsacl.h
index 6c8096c..c4ae7d0 100644
--- a/fs/cifs/cifsacl.h
+++ b/fs/cifs/cifsacl.h
@@ -74,11 +74,7 @@
 	char sidname[SIDNAMELENGTH];
 } __attribute__((packed));
 
-#ifdef CONFIG_CIFS_EXPERIMENTAL
-
 extern int match_sid(struct cifs_sid *);
 extern int compare_sids(const struct cifs_sid *, const struct cifs_sid *);
 
-#endif /*  CONFIG_CIFS_EXPERIMENTAL */
-
 #endif /* _CIFSACL_H */
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 76c8a90..3936aa7 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -463,6 +463,8 @@
 
 	seq_printf(s, ",rsize=%d", cifs_sb->rsize);
 	seq_printf(s, ",wsize=%d", cifs_sb->wsize);
+	/* convert actimeo and display it in seconds */
+		seq_printf(s, ",actimeo=%lu", cifs_sb->actimeo / HZ);
 
 	return 0;
 }
@@ -935,7 +937,6 @@
 	GlobalCurrentXid = 0;
 	GlobalTotalActiveXid = 0;
 	GlobalMaxActiveXid = 0;
-	memset(Local_System_Name, 0, 15);
 	spin_lock_init(&cifs_tcp_ses_lock);
 	spin_lock_init(&cifs_file_list_lock);
 	spin_lock_init(&GlobalMid_Lock);
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index b577bf0..7136c0c 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -45,6 +45,16 @@
 #define CIFS_MIN_RCV_POOL 4
 
 /*
+ * default attribute cache timeout (jiffies)
+ */
+#define CIFS_DEF_ACTIMEO (1 * HZ)
+
+/*
+ * max attribute cache timeout (jiffies) - 2^30
+ */
+#define CIFS_MAX_ACTIMEO (1 << 30)
+
+/*
  * MAX_REQ is the maximum number of requests that WE will send
  * on one socket concurrently. It also matches the most common
  * value of max multiplex returned by servers.  We may
@@ -746,8 +756,6 @@
 GLOBAL_EXTERN unsigned int GlobalMaxActiveXid;	/* prot by GlobalMid_Sem */
 GLOBAL_EXTERN spinlock_t GlobalMid_Lock;  /* protects above & list operations */
 					  /* on midQ entries */
-GLOBAL_EXTERN char Local_System_Name[15];
-
 /*
  *  Global counters, updated atomically
  */
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index db961dc..e6d1481 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -54,7 +54,8 @@
 	     __func__, curr_xid, (int)rc);			\
 } while (0)
 extern char *build_path_from_dentry(struct dentry *);
-extern char *cifs_build_path_to_root(struct cifs_sb_info *cifs_sb);
+extern char *cifs_build_path_to_root(struct cifs_sb_info *cifs_sb,
+					struct cifsTconInfo *tcon);
 extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
 extern char *cifs_compose_mount_options(const char *sb_mountdata,
 		const char *fullpath, const struct dfs_info3_param *ref,
@@ -79,9 +80,7 @@
 				  struct TCP_Server_Info *);
 extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
 extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *, bool);
-#ifdef CONFIG_CIFS_EXPERIMENTAL
 extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *, bool);
-#endif
 extern unsigned int smbCalcSize(struct smb_hdr *ptr);
 extern unsigned int smbCalcSize_LE(struct smb_hdr *ptr);
 extern int decode_negTokenInit(unsigned char *security_blob, int length,
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 2f2632b..67acfb3 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -2478,95 +2478,6 @@
 }
 
 #ifdef CONFIG_CIFS_EXPERIMENTAL
-/* Initialize NT TRANSACT SMB into small smb request buffer.
-   This assumes that all NT TRANSACTS that we init here have
-   total parm and data under about 400 bytes (to fit in small cifs
-   buffer size), which is the case so far, it easily fits. NB:
-	Setup words themselves and ByteCount
-	MaxSetupCount (size of returned setup area) and
-	MaxParameterCount (returned parms size) must be set by caller */
-static int
-smb_init_nttransact(const __u16 sub_command, const int setup_count,
-		   const int parm_len, struct cifsTconInfo *tcon,
-		   void **ret_buf)
-{
-	int rc;
-	__u32 temp_offset;
-	struct smb_com_ntransact_req *pSMB;
-
-	rc = small_smb_init(SMB_COM_NT_TRANSACT, 19 + setup_count, tcon,
-				(void **)&pSMB);
-	if (rc)
-		return rc;
-	*ret_buf = (void *)pSMB;
-	pSMB->Reserved = 0;
-	pSMB->TotalParameterCount = cpu_to_le32(parm_len);
-	pSMB->TotalDataCount  = 0;
-	pSMB->MaxDataCount = cpu_to_le32((tcon->ses->server->maxBuf -
-					  MAX_CIFS_HDR_SIZE) & 0xFFFFFF00);
-	pSMB->ParameterCount = pSMB->TotalParameterCount;
-	pSMB->DataCount  = pSMB->TotalDataCount;
-	temp_offset = offsetof(struct smb_com_ntransact_req, Parms) +
-			(setup_count * 2) - 4 /* for rfc1001 length itself */;
-	pSMB->ParameterOffset = cpu_to_le32(temp_offset);
-	pSMB->DataOffset = cpu_to_le32(temp_offset + parm_len);
-	pSMB->SetupCount = setup_count; /* no need to le convert byte fields */
-	pSMB->SubCommand = cpu_to_le16(sub_command);
-	return 0;
-}
-
-static int
-validate_ntransact(char *buf, char **ppparm, char **ppdata,
-		   __u32 *pparmlen, __u32 *pdatalen)
-{
-	char *end_of_smb;
-	__u32 data_count, data_offset, parm_count, parm_offset;
-	struct smb_com_ntransact_rsp *pSMBr;
-
-	*pdatalen = 0;
-	*pparmlen = 0;
-
-	if (buf == NULL)
-		return -EINVAL;
-
-	pSMBr = (struct smb_com_ntransact_rsp *)buf;
-
-	/* ByteCount was converted from little endian in SendReceive */
-	end_of_smb = 2 /* sizeof byte count */ + pSMBr->ByteCount +
-			(char *)&pSMBr->ByteCount;
-
-	data_offset = le32_to_cpu(pSMBr->DataOffset);
-	data_count = le32_to_cpu(pSMBr->DataCount);
-	parm_offset = le32_to_cpu(pSMBr->ParameterOffset);
-	parm_count = le32_to_cpu(pSMBr->ParameterCount);
-
-	*ppparm = (char *)&pSMBr->hdr.Protocol + parm_offset;
-	*ppdata = (char *)&pSMBr->hdr.Protocol + data_offset;
-
-	/* should we also check that parm and data areas do not overlap? */
-	if (*ppparm > end_of_smb) {
-		cFYI(1, "parms start after end of smb");
-		return -EINVAL;
-	} else if (parm_count + *ppparm > end_of_smb) {
-		cFYI(1, "parm end after end of smb");
-		return -EINVAL;
-	} else if (*ppdata > end_of_smb) {
-		cFYI(1, "data starts after end of smb");
-		return -EINVAL;
-	} else if (data_count + *ppdata > end_of_smb) {
-		cFYI(1, "data %p + count %d (%p) past smb end %p start %p",
-			*ppdata, data_count, (data_count + *ppdata),
-			end_of_smb, pSMBr);
-		return -EINVAL;
-	} else if (parm_count + data_count > pSMBr->ByteCount) {
-		cFYI(1, "parm count and data count larger than SMB");
-		return -EINVAL;
-	}
-	*pdatalen = data_count;
-	*pparmlen = parm_count;
-	return 0;
-}
-
 int
 CIFSSMBQueryReparseLinkInfo(const int xid, struct cifsTconInfo *tcon,
 			const unsigned char *searchName,
@@ -3056,7 +2967,97 @@
 
 #endif /* CONFIG_POSIX */
 
-#ifdef CONFIG_CIFS_EXPERIMENTAL
+#ifdef CONFIG_CIFS_ACL
+/*
+ * Initialize NT TRANSACT SMB into small smb request buffer.  This assumes that
+ * all NT TRANSACTS that we init here have total parm and data under about 400
+ * bytes (to fit in small cifs buffer size), which is the case so far, it
+ * easily fits. NB: Setup words themselves and ByteCount MaxSetupCount (size of
+ * returned setup area) and MaxParameterCount (returned parms size) must be set
+ * by caller
+ */
+static int
+smb_init_nttransact(const __u16 sub_command, const int setup_count,
+		   const int parm_len, struct cifsTconInfo *tcon,
+		   void **ret_buf)
+{
+	int rc;
+	__u32 temp_offset;
+	struct smb_com_ntransact_req *pSMB;
+
+	rc = small_smb_init(SMB_COM_NT_TRANSACT, 19 + setup_count, tcon,
+				(void **)&pSMB);
+	if (rc)
+		return rc;
+	*ret_buf = (void *)pSMB;
+	pSMB->Reserved = 0;
+	pSMB->TotalParameterCount = cpu_to_le32(parm_len);
+	pSMB->TotalDataCount  = 0;
+	pSMB->MaxDataCount = cpu_to_le32((tcon->ses->server->maxBuf -
+					  MAX_CIFS_HDR_SIZE) & 0xFFFFFF00);
+	pSMB->ParameterCount = pSMB->TotalParameterCount;
+	pSMB->DataCount  = pSMB->TotalDataCount;
+	temp_offset = offsetof(struct smb_com_ntransact_req, Parms) +
+			(setup_count * 2) - 4 /* for rfc1001 length itself */;
+	pSMB->ParameterOffset = cpu_to_le32(temp_offset);
+	pSMB->DataOffset = cpu_to_le32(temp_offset + parm_len);
+	pSMB->SetupCount = setup_count; /* no need to le convert byte fields */
+	pSMB->SubCommand = cpu_to_le16(sub_command);
+	return 0;
+}
+
+static int
+validate_ntransact(char *buf, char **ppparm, char **ppdata,
+		   __u32 *pparmlen, __u32 *pdatalen)
+{
+	char *end_of_smb;
+	__u32 data_count, data_offset, parm_count, parm_offset;
+	struct smb_com_ntransact_rsp *pSMBr;
+
+	*pdatalen = 0;
+	*pparmlen = 0;
+
+	if (buf == NULL)
+		return -EINVAL;
+
+	pSMBr = (struct smb_com_ntransact_rsp *)buf;
+
+	/* ByteCount was converted from little endian in SendReceive */
+	end_of_smb = 2 /* sizeof byte count */ + pSMBr->ByteCount +
+			(char *)&pSMBr->ByteCount;
+
+	data_offset = le32_to_cpu(pSMBr->DataOffset);
+	data_count = le32_to_cpu(pSMBr->DataCount);
+	parm_offset = le32_to_cpu(pSMBr->ParameterOffset);
+	parm_count = le32_to_cpu(pSMBr->ParameterCount);
+
+	*ppparm = (char *)&pSMBr->hdr.Protocol + parm_offset;
+	*ppdata = (char *)&pSMBr->hdr.Protocol + data_offset;
+
+	/* should we also check that parm and data areas do not overlap? */
+	if (*ppparm > end_of_smb) {
+		cFYI(1, "parms start after end of smb");
+		return -EINVAL;
+	} else if (parm_count + *ppparm > end_of_smb) {
+		cFYI(1, "parm end after end of smb");
+		return -EINVAL;
+	} else if (*ppdata > end_of_smb) {
+		cFYI(1, "data starts after end of smb");
+		return -EINVAL;
+	} else if (data_count + *ppdata > end_of_smb) {
+		cFYI(1, "data %p + count %d (%p) past smb end %p start %p",
+			*ppdata, data_count, (data_count + *ppdata),
+			end_of_smb, pSMBr);
+		return -EINVAL;
+	} else if (parm_count + data_count > pSMBr->ByteCount) {
+		cFYI(1, "parm count and data count larger than SMB");
+		return -EINVAL;
+	}
+	*pdatalen = data_count;
+	*pparmlen = parm_count;
+	return 0;
+}
+
 /* Get Security Descriptor (by handle) from remote server for a file or dir */
 int
 CIFSSMBGetCIFSACL(const int xid, struct cifsTconInfo *tcon, __u16 fid,
@@ -3214,7 +3215,7 @@
 	return (rc);
 }
 
-#endif /* CONFIG_CIFS_EXPERIMENTAL */
+#endif /* CONFIG_CIFS_ACL */
 
 /* Legacy Query Path Information call for lookup to old servers such
    as Win9x/WinME */
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 32fa4d9..cc1a860 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -105,6 +105,7 @@
 	unsigned int wsize;
 	bool sockopt_tcp_nodelay:1;
 	unsigned short int port;
+	unsigned long actimeo; /* attribute cache timeout (jiffies) */
 	char *prepath;
 	struct sockaddr_storage srcaddr; /* allow binding to a local IP */
 	struct nls_table *local_nls;
@@ -806,23 +807,20 @@
 	short int override_gid = -1;
 	bool uid_specified = false;
 	bool gid_specified = false;
+	char *nodename = utsname()->nodename;
 
 	separator[0] = ',';
 	separator[1] = 0;
 
-	if (Local_System_Name[0] != 0)
-		memcpy(vol->source_rfc1001_name, Local_System_Name, 15);
-	else {
-		char *nodename = utsname()->nodename;
-		int n = strnlen(nodename, 15);
-		memset(vol->source_rfc1001_name, 0x20, 15);
-		for (i = 0; i < n; i++) {
-			/* does not have to be perfect mapping since field is
-			informational, only used for servers that do not support
-			port 445 and it can be overridden at mount time */
-			vol->source_rfc1001_name[i] = toupper(nodename[i]);
-		}
-	}
+	/*
+	 * does not have to be perfect mapping since field is
+	 * informational, only used for servers that do not support
+	 * port 445 and it can be overridden at mount time
+	 */
+	memset(vol->source_rfc1001_name, 0x20, 15);
+	for (i = 0; i < strnlen(nodename, 15); i++)
+		vol->source_rfc1001_name[i] = toupper(nodename[i]);
+
 	vol->source_rfc1001_name[15] = 0;
 	/* null target name indicates to use *SMBSERVR default called name
 	   if we end up sending RFC1001 session initialize */
@@ -840,6 +838,8 @@
 	/* default to using server inode numbers where available */
 	vol->server_ino = 1;
 
+	vol->actimeo = CIFS_DEF_ACTIMEO;
+
 	if (!options)
 		return 1;
 
@@ -1214,6 +1214,16 @@
 					printk(KERN_WARNING "CIFS: server net"
 					"biosname longer than 15 truncated.\n");
 			}
+		} else if (strnicmp(data, "actimeo", 7) == 0) {
+			if (value && *value) {
+				vol->actimeo = HZ * simple_strtoul(value,
+								   &value, 0);
+				if (vol->actimeo > CIFS_MAX_ACTIMEO) {
+					cERROR(1, "CIFS: attribute cache"
+							"timeout too large");
+					return 1;
+				}
+			}
 		} else if (strnicmp(data, "credentials", 4) == 0) {
 			/* ignore */
 		} else if (strnicmp(data, "version", 3) == 0) {
@@ -2571,6 +2581,8 @@
 	cFYI(1, "file mode: 0x%x  dir mode: 0x%x",
 		cifs_sb->mnt_file_mode, cifs_sb->mnt_dir_mode);
 
+	cifs_sb->actimeo = pvolume_info->actimeo;
+
 	if (pvolume_info->noperm)
 		cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NO_PERM;
 	if (pvolume_info->setuids)
@@ -2821,13 +2833,13 @@
 	/* check if a whole path (including prepath) is not remote */
 	if (!rc && cifs_sb->prepathlen && tcon) {
 		/* build_path_to_root works only when we have a valid tcon */
-		full_path = cifs_build_path_to_root(cifs_sb);
+		full_path = cifs_build_path_to_root(cifs_sb, tcon);
 		if (full_path == NULL) {
 			rc = -ENOMEM;
 			goto mount_fail_check;
 		}
 		rc = is_path_accessible(xid, tcon, cifs_sb, full_path);
-		if (rc != -EREMOTE) {
+		if (rc != 0 && rc != -EREMOTE) {
 			kfree(full_path);
 			goto mount_fail_check;
 		}
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index b857ce5..5a28660 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -1108,7 +1108,6 @@
 	return total_written;
 }
 
-#ifdef CONFIG_CIFS_EXPERIMENTAL
 struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *cifs_inode,
 					bool fsuid_only)
 {
@@ -1142,7 +1141,6 @@
 	spin_unlock(&cifs_file_list_lock);
 	return NULL;
 }
-#endif
 
 struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *cifs_inode,
 					bool fsuid_only)
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 28cb6e7..589f3e3 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -686,7 +686,7 @@
 			cFYI(1, "cifs_sfu_type failed: %d", tmprc);
 	}
 
-#ifdef CONFIG_CIFS_EXPERIMENTAL
+#ifdef CONFIG_CIFS_ACL
 	/* fill in 0777 bits from ACL */
 	if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_ACL) {
 		rc = cifs_acl_to_fattr(cifs_sb, &fattr, *pinode, full_path,
@@ -697,7 +697,7 @@
 			goto cgii_exit;
 		}
 	}
-#endif
+#endif /* CONFIG_CIFS_ACL */
 
 	/* fill in remaining high mode bits e.g. SUID, VTX */
 	if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL)
@@ -728,12 +728,12 @@
 	.lookup = cifs_lookup,
 };
 
-char *cifs_build_path_to_root(struct cifs_sb_info *cifs_sb)
+char *cifs_build_path_to_root(struct cifs_sb_info *cifs_sb,
+				struct cifsTconInfo *tcon)
 {
 	int pplen = cifs_sb->prepathlen;
 	int dfsplen;
 	char *full_path = NULL;
-	struct cifsTconInfo *tcon = cifs_sb_master_tcon(cifs_sb);
 
 	/* if no prefix path, simply set path to the root of share to "" */
 	if (pplen == 0) {
@@ -875,7 +875,7 @@
 	char *full_path;
 	struct cifsTconInfo *tcon = cifs_sb_master_tcon(cifs_sb);
 
-	full_path = cifs_build_path_to_root(cifs_sb);
+	full_path = cifs_build_path_to_root(cifs_sb, tcon);
 	if (full_path == NULL)
 		return ERR_PTR(-ENOMEM);
 
@@ -1653,6 +1653,7 @@
 cifs_inode_needs_reval(struct inode *inode)
 {
 	struct cifsInodeInfo *cifs_i = CIFS_I(inode);
+	struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
 
 	if (cifs_i->clientCanCacheRead)
 		return false;
@@ -1663,12 +1664,12 @@
 	if (cifs_i->time == 0)
 		return true;
 
-	/* FIXME: the actimeo should be tunable */
-	if (time_after_eq(jiffies, cifs_i->time + HZ))
+	if (!time_in_range(jiffies, cifs_i->time,
+				cifs_i->time + cifs_sb->actimeo))
 		return true;
 
 	/* hardlinked files w/ noserverino get "special" treatment */
-	if (!(CIFS_SB(inode->i_sb)->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM) &&
+	if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM) &&
 	    S_ISREG(inode->i_mode) && inode->i_nlink != 1)
 		return true;
 
@@ -2121,7 +2122,7 @@
 
 	if (attrs->ia_valid & ATTR_MODE) {
 		rc = 0;
-#ifdef CONFIG_CIFS_EXPERIMENTAL
+#ifdef CONFIG_CIFS_ACL
 		if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_ACL) {
 			rc = mode_to_cifs_acl(inode, full_path, mode);
 			if (rc) {
@@ -2130,7 +2131,7 @@
 				goto cifs_setattr_exit;
 			}
 		} else
-#endif
+#endif /* CONFIG_CIFS_ACL */
 		if (((mode & S_IWUGO) == 0) &&
 		    (cifsInode->cifsAttrs & ATTR_READONLY) == 0) {
 
diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
index 32d300e..a73eb9f 100644
--- a/fs/cifs/readdir.c
+++ b/fs/cifs/readdir.c
@@ -759,18 +759,6 @@
 	rc = filldir(direntry, qstring.name, qstring.len, file->f_pos,
 		     ino, fattr.cf_dtype);
 
-	/*
-	 * we can not return filldir errors to the caller since they are
-	 * "normal" when the stat blocksize is too small - we return remapped
-	 * error instead
-	 *
-	 * FIXME: This looks bogus. filldir returns -EOVERFLOW in the above
-	 * case already. Why should we be clobbering other errors from it?
-	 */
-	if (rc) {
-		cFYI(1, "filldir rc = %d", rc);
-		rc = -EOVERFLOW;
-	}
 	dput(tmp_dentry);
 	return rc;
 }
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 9242d29..8b984a2 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -13,6 +13,7 @@
 #include <linux/kernel.h>
 #include <linux/sched.h>
 #include <linux/module.h>
+#include <linux/compat.h>
 
 static const struct file_operations fuse_direct_io_file_operations;
 
@@ -1628,6 +1629,58 @@
 }
 
 /*
+ * CUSE servers compiled on 32bit broke on 64bit kernels because the
+ * ABI was defined to be 'struct iovec' which is different on 32bit
+ * and 64bit.  Fortunately we can determine which structure the server
+ * used from the size of the reply.
+ */
+static int fuse_copy_ioctl_iovec(struct iovec *dst, void *src,
+				 size_t transferred, unsigned count,
+				 bool is_compat)
+{
+#ifdef CONFIG_COMPAT
+	if (count * sizeof(struct compat_iovec) == transferred) {
+		struct compat_iovec *ciov = src;
+		unsigned i;
+
+		/*
+		 * With this interface a 32bit server cannot support
+		 * non-compat (i.e. ones coming from 64bit apps) ioctl
+		 * requests
+		 */
+		if (!is_compat)
+			return -EINVAL;
+
+		for (i = 0; i < count; i++) {
+			dst[i].iov_base = compat_ptr(ciov[i].iov_base);
+			dst[i].iov_len = ciov[i].iov_len;
+		}
+		return 0;
+	}
+#endif
+
+	if (count * sizeof(struct iovec) != transferred)
+		return -EIO;
+
+	memcpy(dst, src, transferred);
+	return 0;
+}
+
+/* Make sure iov_length() won't overflow */
+static int fuse_verify_ioctl_iov(struct iovec *iov, size_t count)
+{
+	size_t n;
+	u32 max = FUSE_MAX_PAGES_PER_REQ << PAGE_SHIFT;
+
+	for (n = 0; n < count; n++) {
+		if (iov->iov_len > (size_t) max)
+			return -ENOMEM;
+		max -= iov->iov_len;
+	}
+	return 0;
+}
+
+/*
  * For ioctls, there is no generic way to determine how much memory
  * needs to be read and/or written.  Furthermore, ioctls are allowed
  * to dereference the passed pointer, so the parameter requires deep
@@ -1808,18 +1861,25 @@
 		    in_iovs + out_iovs > FUSE_IOCTL_MAX_IOV)
 			goto out;
 
-		err = -EIO;
-		if ((in_iovs + out_iovs) * sizeof(struct iovec) != transferred)
-			goto out;
-
-		/* okay, copy in iovs and retry */
 		vaddr = kmap_atomic(pages[0], KM_USER0);
-		memcpy(page_address(iov_page), vaddr, transferred);
+		err = fuse_copy_ioctl_iovec(page_address(iov_page), vaddr,
+					    transferred, in_iovs + out_iovs,
+					    (flags & FUSE_IOCTL_COMPAT) != 0);
 		kunmap_atomic(vaddr, KM_USER0);
+		if (err)
+			goto out;
 
 		in_iov = page_address(iov_page);
 		out_iov = in_iov + in_iovs;
 
+		err = fuse_verify_ioctl_iov(in_iov, in_iovs);
+		if (err)
+			goto out;
+
+		err = fuse_verify_ioctl_iov(out_iov, out_iovs);
+		if (err)
+			goto out;
+
 		goto retry;
 	}
 
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index f0a384e..996dd89 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -57,7 +57,7 @@
 		      struct inode *, struct dentry *);
 static int nfs_fsync_dir(struct file *, int);
 static loff_t nfs_llseek_dir(struct file *, loff_t, int);
-static int nfs_readdir_clear_array(struct page*, gfp_t);
+static void nfs_readdir_clear_array(struct page*);
 
 const struct file_operations nfs_dir_operations = {
 	.llseek		= nfs_llseek_dir,
@@ -83,8 +83,8 @@
 	.setattr	= nfs_setattr,
 };
 
-const struct address_space_operations nfs_dir_addr_space_ops = {
-	.releasepage = nfs_readdir_clear_array,
+const struct address_space_operations nfs_dir_aops = {
+	.freepage = nfs_readdir_clear_array,
 };
 
 #ifdef CONFIG_NFS_V3
@@ -178,6 +178,7 @@
 	struct page	*page;
 	unsigned long	page_index;
 	u64		*dir_cookie;
+	u64		last_cookie;
 	loff_t		current_index;
 	decode_dirent_t	decode;
 
@@ -213,17 +214,15 @@
  * we are freeing strings created by nfs_add_to_readdir_array()
  */
 static
-int nfs_readdir_clear_array(struct page *page, gfp_t mask)
+void nfs_readdir_clear_array(struct page *page)
 {
-	struct nfs_cache_array *array = nfs_readdir_get_array(page);
+	struct nfs_cache_array *array;
 	int i;
 
-	if (IS_ERR(array))
-		return PTR_ERR(array);
+	array = kmap_atomic(page, KM_USER0);
 	for (i = 0; i < array->size; i++)
 		kfree(array->array[i].string.name);
-	nfs_readdir_release_array(page);
-	return 0;
+	kunmap_atomic(array, KM_USER0);
 }
 
 /*
@@ -272,7 +271,7 @@
 		goto out;
 	array->last_cookie = entry->cookie;
 	array->size++;
-	if (entry->eof == 1)
+	if (entry->eof != 0)
 		array->eof_index = array->size;
 out:
 	nfs_readdir_release_array(page);
@@ -312,15 +311,14 @@
 	for (i = 0; i < array->size; i++) {
 		if (array->array[i].cookie == *desc->dir_cookie) {
 			desc->cache_entry_index = i;
-			status = 0;
-			goto out;
+			return 0;
 		}
 	}
-	if (i == array->eof_index) {
-		desc->eof = 1;
+	if (array->eof_index >= 0) {
 		status = -EBADCOOKIE;
+		if (*desc->dir_cookie == array->last_cookie)
+			desc->eof = 1;
 	}
-out:
 	return status;
 }
 
@@ -328,10 +326,7 @@
 int nfs_readdir_search_array(nfs_readdir_descriptor_t *desc)
 {
 	struct nfs_cache_array *array;
-	int status = -EBADCOOKIE;
-
-	if (desc->dir_cookie == NULL)
-		goto out;
+	int status;
 
 	array = nfs_readdir_get_array(desc->page);
 	if (IS_ERR(array)) {
@@ -344,6 +339,10 @@
 	else
 		status = nfs_readdir_search_for_cookie(array, desc);
 
+	if (status == -EAGAIN) {
+		desc->last_cookie = array->last_cookie;
+		desc->page_index++;
+	}
 	nfs_readdir_release_array(desc->page);
 out:
 	return status;
@@ -490,7 +489,7 @@
 
 		count++;
 
-		if (desc->plus == 1)
+		if (desc->plus != 0)
 			nfs_prime_dcache(desc->file->f_path.dentry, entry);
 
 		status = nfs_readdir_add_to_array(entry, page);
@@ -498,7 +497,7 @@
 			break;
 	} while (!entry->eof);
 
-	if (count == 0 || (status == -EBADCOOKIE && entry->eof == 1)) {
+	if (count == 0 || (status == -EBADCOOKIE && entry->eof != 0)) {
 		array = nfs_readdir_get_array(page);
 		if (!IS_ERR(array)) {
 			array->eof_index = array->size;
@@ -563,7 +562,7 @@
 	unsigned int array_size = ARRAY_SIZE(pages);
 
 	entry.prev_cookie = 0;
-	entry.cookie = *desc->dir_cookie;
+	entry.cookie = desc->last_cookie;
 	entry.eof = 0;
 	entry.fh = nfs_alloc_fhandle();
 	entry.fattr = nfs_alloc_fattr();
@@ -636,6 +635,8 @@
 static
 void cache_page_release(nfs_readdir_descriptor_t *desc)
 {
+	if (!desc->page->mapping)
+		nfs_readdir_clear_array(desc->page);
 	page_cache_release(desc->page);
 	desc->page = NULL;
 }
@@ -660,9 +661,8 @@
 		return PTR_ERR(desc->page);
 
 	res = nfs_readdir_search_array(desc);
-	if (res == 0)
-		return 0;
-	cache_page_release(desc);
+	if (res != 0)
+		cache_page_release(desc);
 	return res;
 }
 
@@ -672,22 +672,16 @@
 {
 	int res;
 
-	if (desc->page_index == 0)
+	if (desc->page_index == 0) {
 		desc->current_index = 0;
-	while (1) {
-		res = find_cache_page(desc);
-		if (res != -EAGAIN)
-			break;
-		desc->page_index++;
+		desc->last_cookie = 0;
 	}
+	do {
+		res = find_cache_page(desc);
+	} while (res == -EAGAIN);
 	return res;
 }
 
-static inline unsigned int dt_type(struct inode *inode)
-{
-	return (inode->i_mode >> 12) & 15;
-}
-
 /*
  * Once we've found the start of the dirent within a page: fill 'er up...
  */
@@ -717,13 +711,12 @@
 			break;
 		}
 		file->f_pos++;
-		desc->cache_entry_index = i;
 		if (i < (array->size-1))
 			*desc->dir_cookie = array->array[i+1].cookie;
 		else
 			*desc->dir_cookie = array->last_cookie;
 	}
-	if (i == array->eof_index)
+	if (array->eof_index >= 0)
 		desc->eof = 1;
 
 	nfs_readdir_release_array(desc->page);
@@ -764,6 +757,7 @@
 	}
 
 	desc->page_index = 0;
+	desc->last_cookie = *desc->dir_cookie;
 	desc->page = page;
 
 	status = nfs_readdir_xdr_to_array(desc, page, inode);
@@ -791,7 +785,7 @@
 	struct inode	*inode = dentry->d_inode;
 	nfs_readdir_descriptor_t my_desc,
 			*desc = &my_desc;
-	int res = -ENOMEM;
+	int res;
 
 	dfprintk(FILE, "NFS: readdir(%s/%s) starting at cookie %llu\n",
 			dentry->d_parent->d_name.name, dentry->d_name.name,
@@ -816,7 +810,7 @@
 	if (res < 0)
 		goto out;
 
-	while (desc->eof != 1) {
+	do {
 		res = readdir_search_pagecache(desc);
 
 		if (res == -EBADCOOKIE) {
@@ -844,7 +838,7 @@
 		res = nfs_do_filldir(desc, dirent, filldir);
 		if (res < 0)
 			break;
-	}
+	} while (!desc->eof);
 out:
 	nfs_unblock_sillyrename(dentry);
 	if (res > 0)
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 60677f9..7bf029e 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -693,6 +693,7 @@
 {
 	struct inode *inode = filp->f_mapping->host;
 	int status = 0;
+	unsigned int saved_type = fl->fl_type;
 
 	/* Try local locking first */
 	posix_test_lock(filp, fl);
@@ -700,6 +701,7 @@
 		/* found a conflict */
 		goto out;
 	}
+	fl->fl_type = saved_type;
 
 	if (nfs_have_delegation(inode, FMODE_READ))
 		goto out_noconflict;
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 314f571..e67e31c 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -289,6 +289,7 @@
 		} else if (S_ISDIR(inode->i_mode)) {
 			inode->i_op = NFS_SB(sb)->nfs_client->rpc_ops->dir_inode_ops;
 			inode->i_fop = &nfs_dir_operations;
+			inode->i_data.a_ops = &nfs_dir_aops;
 			if (nfs_server_capable(inode, NFS_CAP_READDIRPLUS))
 				set_bit(NFS_INO_ADVISE_RDPLUS, &NFS_I(inode)->flags);
 			/* Deal with crossing mountpoints */
diff --git a/fs/nfs/mount_clnt.c b/fs/nfs/mount_clnt.c
index eceafe7..4f981f1 100644
--- a/fs/nfs/mount_clnt.c
+++ b/fs/nfs/mount_clnt.c
@@ -505,13 +505,13 @@
 
 static struct rpc_version mnt_version1 = {
 	.number		= 1,
-	.nrprocs	= 2,
+	.nrprocs	= ARRAY_SIZE(mnt_procedures),
 	.procs		= mnt_procedures,
 };
 
 static struct rpc_version mnt_version3 = {
 	.number		= 3,
-	.nrprocs	= 2,
+	.nrprocs	= ARRAY_SIZE(mnt3_procedures),
 	.procs		= mnt3_procedures,
 };
 
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 6a653ff..4435e5e 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -3361,6 +3361,8 @@
 	ret = nfs_revalidate_inode(server, inode);
 	if (ret < 0)
 		return ret;
+	if (NFS_I(inode)->cache_validity & NFS_INO_INVALID_ACL)
+		nfs_zap_acl_cache(inode);
 	ret = nfs4_read_cached_acl(inode, buf, buflen);
 	if (ret != -ENOENT)
 		return ret;
@@ -3389,6 +3391,13 @@
 	nfs_inode_return_delegation(inode);
 	buf_to_pages(buf, buflen, arg.acl_pages, &arg.acl_pgbase);
 	ret = nfs4_call_sync(server, &msg, &arg, &res, 1);
+	/*
+	 * Acl update can result in inode attribute update.
+	 * so mark the attribute cache invalid.
+	 */
+	spin_lock(&inode->i_lock);
+	NFS_I(inode)->cache_validity |= NFS_INO_INVALID_ATTR;
+	spin_unlock(&inode->i_lock);
 	nfs_access_zap_cache(inode);
 	nfs_zap_acl_cache(inode);
 	return ret;
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index 137b549..b68536c 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -115,7 +115,7 @@
 {
 	if (!nfs_lock_request_dontget(req))
 		return 0;
-	if (req->wb_page != NULL)
+	if (test_bit(PG_MAPPED, &req->wb_flags))
 		radix_tree_tag_set(&NFS_I(req->wb_context->path.dentry->d_inode)->nfs_page_tree, req->wb_index, NFS_PAGE_TAG_LOCKED);
 	return 1;
 }
@@ -125,7 +125,7 @@
  */
 void nfs_clear_page_tag_locked(struct nfs_page *req)
 {
-	if (req->wb_page != NULL) {
+	if (test_bit(PG_MAPPED, &req->wb_flags)) {
 		struct inode *inode = req->wb_context->path.dentry->d_inode;
 		struct nfs_inode *nfsi = NFS_I(inode);
 
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index e4b62c6..aedcaa7 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -152,7 +152,6 @@
 			(long long)NFS_FILEID(req->wb_context->path.dentry->d_inode),
 			req->wb_bytes,
 			(long long)req_offset(req));
-	nfs_clear_request(req);
 	nfs_release_request(req);
 }
 
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 3c04504..4100630 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -1069,12 +1069,10 @@
 			mnt->flags |= NFS_MOUNT_VER3;
 			mnt->version = 3;
 			break;
-#ifdef CONFIG_NFS_V4
 		case Opt_v4:
 			mnt->flags &= ~NFS_MOUNT_VER3;
 			mnt->version = 4;
 			break;
-#endif
 		case Opt_udp:
 			mnt->flags &= ~NFS_MOUNT_TCP;
 			mnt->nfs_server.protocol = XPRT_TRANSPORT_UDP;
@@ -1286,12 +1284,10 @@
 				mnt->flags |= NFS_MOUNT_VER3;
 				mnt->version = 3;
 				break;
-#ifdef CONFIG_NFS_V4
 			case NFS4_VERSION:
 				mnt->flags &= ~NFS_MOUNT_VER3;
 				mnt->version = 4;
 				break;
-#endif
 			default:
 				goto out_invalid_value;
 			}
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 4c14c17..10d648e 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -390,6 +390,7 @@
 		if (nfs_have_delegation(inode, FMODE_WRITE))
 			nfsi->change_attr++;
 	}
+	set_bit(PG_MAPPED, &req->wb_flags);
 	SetPagePrivate(req->wb_page);
 	set_page_private(req->wb_page, (unsigned long)req);
 	nfsi->npages++;
@@ -415,6 +416,7 @@
 	spin_lock(&inode->i_lock);
 	set_page_private(req->wb_page, 0);
 	ClearPagePrivate(req->wb_page);
+	clear_bit(PG_MAPPED, &req->wb_flags);
 	radix_tree_delete(&nfsi->nfs_page_tree, req->wb_index);
 	nfsi->npages--;
 	if (!nfsi->npages) {
@@ -422,7 +424,6 @@
 		iput(inode);
 	} else
 		spin_unlock(&inode->i_lock);
-	nfs_clear_request(req);
 	nfs_release_request(req);
 }
 
diff --git a/fs/nfsd/nfs3xdr.c b/fs/nfsd/nfs3xdr.c
index 2a533a0..7e84a85 100644
--- a/fs/nfsd/nfs3xdr.c
+++ b/fs/nfsd/nfs3xdr.c
@@ -260,9 +260,11 @@
 	err = vfs_getattr(fhp->fh_export->ex_path.mnt, fhp->fh_dentry,
 			&fhp->fh_post_attr);
 	fhp->fh_post_change = fhp->fh_dentry->d_inode->i_version;
-	if (err)
+	if (err) {
 		fhp->fh_post_saved = 0;
-	else
+		/* Grab the ctime anyway - set_change_info might use it */
+		fhp->fh_post_attr.ctime = fhp->fh_dentry->d_inode->i_ctime;
+	} else
 		fhp->fh_post_saved = 1;
 }
 
diff --git a/fs/nfsd/xdr4.h b/fs/nfsd/xdr4.h
index 4d476ff..60fce3d 100644
--- a/fs/nfsd/xdr4.h
+++ b/fs/nfsd/xdr4.h
@@ -484,18 +484,17 @@
 static inline void
 set_change_info(struct nfsd4_change_info *cinfo, struct svc_fh *fhp)
 {
-	BUG_ON(!fhp->fh_pre_saved || !fhp->fh_post_saved);
-	cinfo->atomic = 1;
+	BUG_ON(!fhp->fh_pre_saved);
+	cinfo->atomic = fhp->fh_post_saved;
 	cinfo->change_supported = IS_I_VERSION(fhp->fh_dentry->d_inode);
-	if (cinfo->change_supported) {
-		cinfo->before_change = fhp->fh_pre_change;
-		cinfo->after_change = fhp->fh_post_change;
-	} else {
-		cinfo->before_ctime_sec = fhp->fh_pre_ctime.tv_sec;
-		cinfo->before_ctime_nsec = fhp->fh_pre_ctime.tv_nsec;
-		cinfo->after_ctime_sec = fhp->fh_post_attr.ctime.tv_sec;
-		cinfo->after_ctime_nsec = fhp->fh_post_attr.ctime.tv_nsec;
-	}
+
+	cinfo->before_change = fhp->fh_pre_change;
+	cinfo->after_change = fhp->fh_post_change;
+	cinfo->before_ctime_sec = fhp->fh_pre_ctime.tv_sec;
+	cinfo->before_ctime_nsec = fhp->fh_pre_ctime.tv_nsec;
+	cinfo->after_ctime_sec = fhp->fh_post_attr.ctime.tv_sec;
+	cinfo->after_ctime_nsec = fhp->fh_post_attr.ctime.tv_nsec;
+
 }
 
 int nfs4svc_encode_voidres(struct svc_rqst *, __be32 *, void *);
diff --git a/fs/xfs/xfs_rename.c b/fs/xfs/xfs_rename.c
index d2af0a8..77a5989 100644
--- a/fs/xfs/xfs_rename.c
+++ b/fs/xfs/xfs_rename.c
@@ -297,6 +297,7 @@
 	 * it and some incremental backup programs won't work without it.
 	 */
 	xfs_trans_ichgtime(tp, src_ip, XFS_ICHGTIME_CHG);
+	xfs_trans_log_inode(tp, src_ip, XFS_ILOG_CORE);
 
 	/*
 	 * Adjust the link count on src_dp.  This is necessary when
diff --git a/include/drm/i915_drm.h b/include/drm/i915_drm.h
index 8c641be..a2776e2 100644
--- a/include/drm/i915_drm.h
+++ b/include/drm/i915_drm.h
@@ -287,6 +287,8 @@
 #define I915_PARAM_HAS_EXECBUF2          9
 #define I915_PARAM_HAS_BSD		 10
 #define I915_PARAM_HAS_BLT		 11
+#define I915_PARAM_HAS_RELAXED_FENCING	 12
+#define I915_PARAM_HAS_COHERENT_RINGS	 13
 
 typedef struct drm_i915_getparam {
 	int param;
diff --git a/include/linux/fs.h b/include/linux/fs.h
index c9e06cc..090f0ea 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -602,6 +602,7 @@
 	sector_t (*bmap)(struct address_space *, sector_t);
 	void (*invalidatepage) (struct page *, unsigned long);
 	int (*releasepage) (struct page *, gfp_t);
+	void (*freepage)(struct page *);
 	ssize_t (*direct_IO)(int, struct kiocb *, const struct iovec *iov,
 			loff_t offset, unsigned long nr_segs);
 	int (*get_xip_mem)(struct address_space *, pgoff_t, int,
diff --git a/include/linux/gpio_keys.h b/include/linux/gpio_keys.h
index ce73a30..dd1a56f 100644
--- a/include/linux/gpio_keys.h
+++ b/include/linux/gpio_keys.h
@@ -16,6 +16,8 @@
 struct gpio_keys_platform_data {
 	struct gpio_keys_button *buttons;
 	int nbuttons;
+	unsigned int poll_interval;	/* polling interval in msecs -
+					   for polling driver only */
 	unsigned int rep:1;		/* enable input subsystem auto repeat */
 	int (*enable)(struct device *dev);
 	void (*disable)(struct device *dev);
diff --git a/include/linux/input.h b/include/linux/input.h
index 6ef4446..a8af21d 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -47,6 +47,25 @@
 	__u16 version;
 };
 
+/**
+ * struct input_absinfo - used by EVIOCGABS/EVIOCSABS ioctls
+ * @value: latest reported value for the axis.
+ * @minimum: specifies minimum value for the axis.
+ * @maximum: specifies maximum value for the axis.
+ * @fuzz: specifies fuzz value that is used to filter noise from
+ *	the event stream.
+ * @flat: values that are within this value will be discarded by
+ *	joydev interface and reported as 0 instead.
+ * @resolution: specifies resolution for the values reported for
+ *	the axis.
+ *
+ * Note that input core does not clamp reported values to the
+ * [minimum, maximum] limits, such task is left to userspace.
+ *
+ * Resolution for main axes (ABS_X, ABS_Y, ABS_Z) is reported in
+ * units per millimeter (units/mm), resolution for rotational axes
+ * (ABS_RX, ABS_RY, ABS_RZ) is reported in units per radian.
+ */
 struct input_absinfo {
 	__s32 value;
 	__s32 minimum;
@@ -624,6 +643,10 @@
 #define KEY_CAMERA_FOCUS	0x210
 #define KEY_WPS_BUTTON		0x211	/* WiFi Protected Setup key */
 
+#define KEY_TOUCHPAD_TOGGLE	0x212	/* Request switch touchpad on or off */
+#define KEY_TOUCHPAD_ON		0x213
+#define KEY_TOUCHPAD_OFF	0x214
+
 #define BTN_TRIGGER_HAPPY		0x2c0
 #define BTN_TRIGGER_HAPPY1		0x2c0
 #define BTN_TRIGGER_HAPPY2		0x2c1
@@ -1130,7 +1153,7 @@
  *	of tracked contacts
  * @mtsize: number of MT slots the device uses
  * @slot: MT slot currently being transmitted
- * @absinfo: array of &struct absinfo elements holding information
+ * @absinfo: array of &struct input_absinfo elements holding information
  *	about absolute axes (current value, min, max, flat, fuzz,
  *	resolution)
  * @key: reflects current state of device's keys/buttons
diff --git a/include/linux/mfd/wm8994/pdata.h b/include/linux/mfd/wm8994/pdata.h
index 5c51f36..add8a1b 100644
--- a/include/linux/mfd/wm8994/pdata.h
+++ b/include/linux/mfd/wm8994/pdata.h
@@ -29,7 +29,7 @@
 #define WM8994_CONFIGURE_GPIO 0x8000
 
 #define WM8994_DRC_REGS 5
-#define WM8994_EQ_REGS  19
+#define WM8994_EQ_REGS  20
 
 /**
  * DRC configurations are specified with a label and a set of register
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index c66fdb7..29d504d 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -401,6 +401,7 @@
 #endif /* CONFIG_NFS_V3 */
 extern const struct file_operations nfs_file_operations;
 extern const struct address_space_operations nfs_file_aops;
+extern const struct address_space_operations nfs_dir_aops;
 
 static inline struct nfs_open_context *nfs_file_open_context(struct file *filp)
 {
diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h
index f8b60e7..d55cee7 100644
--- a/include/linux/nfs_page.h
+++ b/include/linux/nfs_page.h
@@ -29,6 +29,7 @@
  */
 enum {
 	PG_BUSY = 0,
+	PG_MAPPED,
 	PG_CLEAN,
 	PG_NEED_COMMIT,
 	PG_NEED_RESCHED,
diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c
index 01b1d3a..6c8a2a9 100644
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -214,7 +214,7 @@
 
 static int irq_spurious_proc_open(struct inode *inode, struct file *file)
 {
-	return single_open(file, irq_spurious_proc_show, NULL);
+	return single_open(file, irq_spurious_proc_show, PDE(inode)->data);
 }
 
 static const struct file_operations irq_spurious_proc_fops = {
diff --git a/kernel/printk.c b/kernel/printk.c
index 9a2264f..a23315d 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -1082,13 +1082,15 @@
 
 int printk_needs_cpu(int cpu)
 {
+	if (unlikely(cpu_is_offline(cpu)))
+		printk_tick();
 	return per_cpu(printk_pending, cpu);
 }
 
 void wake_up_klogd(void)
 {
 	if (waitqueue_active(&log_wait))
-		__raw_get_cpu_var(printk_pending) = 1;
+		this_cpu_write(printk_pending, 1);
 }
 
 /**
diff --git a/mm/filemap.c b/mm/filemap.c
index ea89840..6b9aee2 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -143,13 +143,18 @@
 void remove_from_page_cache(struct page *page)
 {
 	struct address_space *mapping = page->mapping;
+	void (*freepage)(struct page *);
 
 	BUG_ON(!PageLocked(page));
 
+	freepage = mapping->a_ops->freepage;
 	spin_lock_irq(&mapping->tree_lock);
 	__remove_from_page_cache(page);
 	spin_unlock_irq(&mapping->tree_lock);
 	mem_cgroup_uncharge_cache_page(page);
+
+	if (freepage)
+		freepage(page);
 }
 EXPORT_SYMBOL(remove_from_page_cache);
 
diff --git a/mm/truncate.c b/mm/truncate.c
index ba887bf..3c2d5dd 100644
--- a/mm/truncate.c
+++ b/mm/truncate.c
@@ -390,6 +390,10 @@
 	__remove_from_page_cache(page);
 	spin_unlock_irq(&mapping->tree_lock);
 	mem_cgroup_uncharge_cache_page(page);
+
+	if (mapping->a_ops->freepage)
+		mapping->a_ops->freepage(page);
+
 	page_cache_release(page);	/* pagecache ref */
 	return 1;
 failed:
diff --git a/mm/vmscan.c b/mm/vmscan.c
index d31d7ce..9ca587c 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -494,9 +494,16 @@
 		spin_unlock_irq(&mapping->tree_lock);
 		swapcache_free(swap, page);
 	} else {
+		void (*freepage)(struct page *);
+
+		freepage = mapping->a_ops->freepage;
+
 		__remove_from_page_cache(page);
 		spin_unlock_irq(&mapping->tree_lock);
 		mem_cgroup_uncharge_cache_page(page);
+
+		if (freepage != NULL)
+			freepage(page);
 	}
 
 	return 1;
diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
index ea2ff78..3f2c555 100644
--- a/net/sunrpc/svc_xprt.c
+++ b/net/sunrpc/svc_xprt.c
@@ -212,6 +212,7 @@
 	spin_lock(&svc_xprt_class_lock);
 	list_for_each_entry(xcl, &svc_xprt_class_list, xcl_list) {
 		struct svc_xprt *newxprt;
+		unsigned short newport;
 
 		if (strcmp(xprt_name, xcl->xcl_name))
 			continue;
@@ -230,8 +231,9 @@
 		spin_lock_bh(&serv->sv_lock);
 		list_add(&newxprt->xpt_list, &serv->sv_permsocks);
 		spin_unlock_bh(&serv->sv_lock);
+		newport = svc_xprt_local_port(newxprt);
 		clear_bit(XPT_BUSY, &newxprt->xpt_flags);
-		return svc_xprt_local_port(newxprt);
+		return newport;
 	}
  err:
 	spin_unlock(&svc_xprt_class_lock);
@@ -425,8 +427,13 @@
 {
 	BUG_ON(!test_bit(XPT_BUSY, &xprt->xpt_flags));
 	xprt->xpt_pool = NULL;
+	/* As soon as we clear busy, the xprt could be closed and
+	 * 'put', so we need a reference to call svc_xprt_enqueue with:
+	 */
+	svc_xprt_get(xprt);
 	clear_bit(XPT_BUSY, &xprt->xpt_flags);
 	svc_xprt_enqueue(xprt);
+	svc_xprt_put(xprt);
 }
 EXPORT_SYMBOL_GPL(svc_xprt_received);
 
diff --git a/sound/pci/hda/hda_eld.c b/sound/pci/hda/hda_eld.c
index cb0c23a..4a66347 100644
--- a/sound/pci/hda/hda_eld.c
+++ b/sound/pci/hda/hda_eld.c
@@ -189,6 +189,9 @@
 	a->channels = GRAB_BITS(buf, 0, 0, 3);
 	a->channels++;
 
+	a->sample_bits = 0;
+	a->max_bitrate = 0;
+
 	a->format = GRAB_BITS(buf, 0, 3, 4);
 	switch (a->format) {
 	case AUDIO_CODING_TYPE_REF_STREAM_HEADER:
@@ -198,7 +201,6 @@
 
 	case AUDIO_CODING_TYPE_LPCM:
 		val = GRAB_BITS(buf, 2, 0, 3);
-		a->sample_bits = 0;
 		for (i = 0; i < 3; i++)
 			if (val & (1 << i))
 				a->sample_bits |= cea_sample_sizes[i + 1];
@@ -598,24 +600,19 @@
 {
 	int i;
 
-	pcm->rates = 0;
-	pcm->formats = 0;
-	pcm->maxbps = 0;
-	pcm->channels_min = -1;
-	pcm->channels_max = 0;
+	/* assume basic audio support (the basic audio flag is not in ELD;
+	 * however, all audio capable sinks are required to support basic
+	 * audio) */
+	pcm->rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000;
+	pcm->formats = SNDRV_PCM_FMTBIT_S16_LE;
+	pcm->maxbps = 16;
+	pcm->channels_max = 2;
 	for (i = 0; i < eld->sad_count; i++) {
 		struct cea_sad *a = &eld->sad[i];
 		pcm->rates |= a->rates;
-		if (a->channels < pcm->channels_min)
-			pcm->channels_min = a->channels;
 		if (a->channels > pcm->channels_max)
 			pcm->channels_max = a->channels;
 		if (a->format == AUDIO_CODING_TYPE_LPCM) {
-			if (a->sample_bits & AC_SUPPCM_BITS_16) {
-				pcm->formats |= SNDRV_PCM_FMTBIT_S16_LE;
-				if (pcm->maxbps < 16)
-					pcm->maxbps = 16;
-			}
 			if (a->sample_bits & AC_SUPPCM_BITS_20) {
 				pcm->formats |= SNDRV_PCM_FMTBIT_S32_LE;
 				if (pcm->maxbps < 20)
@@ -635,7 +632,6 @@
 	/* restrict the parameters by the values the codec provides */
 	pcm->rates &= codec_pars->rates;
 	pcm->formats &= codec_pars->formats;
-	pcm->channels_min = max(pcm->channels_min, codec_pars->channels_min);
 	pcm->channels_max = min(pcm->channels_max, codec_pars->channels_max);
 	pcm->maxbps = min(pcm->maxbps, codec_pars->maxbps);
 }
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 21aa9b0..b030c8e 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2296,6 +2296,7 @@
  */
 static struct snd_pci_quirk position_fix_list[] __devinitdata = {
 	SND_PCI_QUIRK(0x1025, 0x009f, "Acer Aspire 5110", POS_FIX_LPIB),
+	SND_PCI_QUIRK(0x1025, 0x026f, "Acer Aspire 5538", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1028, 0x01cc, "Dell D820", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1028, 0x01de, "Dell Precision 390", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1028, 0x01f6, "Dell Latitude 131L", POS_FIX_LPIB),
diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index 846d1ea..76bd58a 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -2116,8 +2116,8 @@
 	struct conexant_spec *spec = codec->spec;
 	unsigned int pinctl;
 
-	snd_printdd("CXT5066: update speaker, hp_present=%d\n",
-		spec->hp_present);
+	snd_printdd("CXT5066: update speaker, hp_present=%d, cur_eapd=%d\n",
+		    spec->hp_present, spec->cur_eapd);
 
 	/* Port A (HP) */
 	pinctl = ((spec->hp_present & 1) && spec->cur_eapd) ? PIN_HP : 0;
@@ -2125,11 +2125,20 @@
 			pinctl);
 
 	/* Port D (HP/LO) */
-	pinctl = ((spec->hp_present & 2) && spec->cur_eapd)
-		? spec->port_d_mode : 0;
-	/* Mute if Port A is connected on Thinkpad */
-	if (spec->thinkpad && (spec->hp_present & 1))
-		pinctl = 0;
+	if (spec->dell_automute) {
+		/* DELL AIO Port Rule: PortA>  PortD>  IntSpk */
+		pinctl = (!(spec->hp_present & 1) && spec->cur_eapd)
+			? PIN_OUT : 0;
+	} else if (spec->thinkpad) {
+		if (spec->cur_eapd)
+			pinctl = spec->port_d_mode;
+		/* Mute dock line-out if Port A (laptop HP) is present */
+		if (spec->hp_present&  1)
+			pinctl = 0;
+	} else {
+		pinctl = ((spec->hp_present & 2) && spec->cur_eapd)
+			? spec->port_d_mode : 0;
+	}
 	snd_hda_codec_write(codec, 0x1c, 0, AC_VERB_SET_PIN_WIDGET_CONTROL,
 			pinctl);
 
@@ -2137,14 +2146,6 @@
 	pinctl = (!spec->hp_present && spec->cur_eapd) ? PIN_OUT : 0;
 	snd_hda_codec_write(codec, 0x1f, 0, AC_VERB_SET_PIN_WIDGET_CONTROL,
 			pinctl);
-
-	if (spec->dell_automute) {
-		/* DELL AIO Port Rule: PortA > PortD > IntSpk */
-		pinctl = (!(spec->hp_present & 1) && spec->cur_eapd)
-			? PIN_OUT : 0;
-		snd_hda_codec_write(codec, 0x1c, 0,
-			AC_VERB_SET_PIN_WIDGET_CONTROL, pinctl);
-	}
 }
 
 /* turn on/off EAPD (+ mute HP) as a master switch */
@@ -3095,8 +3096,7 @@
 static struct snd_pci_quirk cxt5066_cfg_tbl[] = {
 	SND_PCI_QUIRK_MASK(0x1025, 0xff00, 0x0400, "Acer", CXT5066_IDEAPAD),
 	SND_PCI_QUIRK(0x1028, 0x02d8, "Dell Vostro", CXT5066_DELL_VOSTRO),
-	SND_PCI_QUIRK(0x1028, 0x02f5, "Dell",
-		      CXT5066_DELL_LAPTOP),
+	SND_PCI_QUIRK(0x1028, 0x02f5, "Dell Vostro 320", CXT5066_IDEAPAD),
 	SND_PCI_QUIRK(0x1028, 0x0402, "Dell Vostro", CXT5066_DELL_VOSTRO),
 	SND_PCI_QUIRK(0x1028, 0x0408, "Dell Inspiron One 19T", CXT5066_IDEAPAD),
 	SND_PCI_QUIRK(0x103c, 0x360b, "HP G60", CXT5066_HP_LAPTOP),
@@ -3109,6 +3109,7 @@
 	SND_PCI_QUIRK(0x152d, 0x0833, "OLPC XO-1.5", CXT5066_OLPC_XO_1_5),
 	SND_PCI_QUIRK(0x17aa, 0x20f2, "Lenovo T400s", CXT5066_THINKPAD),
 	SND_PCI_QUIRK(0x17aa, 0x21b2, "Thinkpad X100e", CXT5066_IDEAPAD),
+	SND_PCI_QUIRK(0x17aa, 0x21c5, "Thinkpad Edge 13", CXT5066_THINKPAD),
 	SND_PCI_QUIRK(0x17aa, 0x21b3, "Thinkpad Edge 13 (197)", CXT5066_IDEAPAD),
 	SND_PCI_QUIRK(0x17aa, 0x21b4, "Thinkpad Edge", CXT5066_IDEAPAD),
 	SND_PCI_QUIRK(0x17aa, 0x21c8, "Thinkpad Edge 11", CXT5066_IDEAPAD),
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index d3e49aa..31df774 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -834,7 +834,6 @@
 			return -ENODEV;
 	} else {
 		/* fallback to the codec default */
-		hinfo->channels_min = codec_pars->channels_min;
 		hinfo->channels_max = codec_pars->channels_max;
 		hinfo->rates = codec_pars->rates;
 		hinfo->formats = codec_pars->formats;
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 8fddc9d..2d7d7de 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -4595,6 +4595,7 @@
 	SND_PCI_QUIRK(0x1734, 0x10b0, "Fujitsu", ALC880_FUJITSU),
 	SND_PCI_QUIRK(0x1854, 0x0018, "LG LW20", ALC880_LG_LW),
 	SND_PCI_QUIRK(0x1854, 0x003b, "LG", ALC880_LG),
+	SND_PCI_QUIRK(0x1854, 0x005f, "LG P1 Express", ALC880_LG),
 	SND_PCI_QUIRK(0x1854, 0x0068, "LG w1", ALC880_LG),
 	SND_PCI_QUIRK(0x1854, 0x0077, "LG LW25", ALC880_LG_LW),
 	SND_PCI_QUIRK(0x19db, 0x4188, "TCL S700", ALC880_TCL_S700),
diff --git a/sound/soc/codecs/wm8580.c b/sound/soc/codecs/wm8580.c
index a2e0ed5..879dff2 100644
--- a/sound/soc/codecs/wm8580.c
+++ b/sound/soc/codecs/wm8580.c
@@ -491,16 +491,16 @@
 		paifa |= 0x8;
 		break;
 	case SNDRV_PCM_FORMAT_S20_3LE:
-		paifa |= 0x10;
+		paifa |= 0x0;
 		paifb |= WM8580_AIF_LENGTH_20;
 		break;
 	case SNDRV_PCM_FORMAT_S24_LE:
-		paifa |= 0x10;
+		paifa |= 0x0;
 		paifb |= WM8580_AIF_LENGTH_24;
 		break;
 	case SNDRV_PCM_FORMAT_S32_LE:
-		paifa |= 0x10;
-		paifb |= WM8580_AIF_LENGTH_24;
+		paifa |= 0x0;
+		paifb |= WM8580_AIF_LENGTH_32;
 		break;
 	default:
 		return -EINVAL;
diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
index e809274..1304ca9 100644
--- a/sound/soc/codecs/wm8962.c
+++ b/sound/soc/codecs/wm8962.c
@@ -3339,7 +3339,7 @@
 	int mask;
 	int active;
 
-	mask = snd_soc_read(codec, WM8962_INTERRUPT_STATUS_2);
+	mask = snd_soc_read(codec, WM8962_INTERRUPT_STATUS_2_MASK);
 
 	active = snd_soc_read(codec, WM8962_INTERRUPT_STATUS_2);
 	active &= ~mask;
diff --git a/sound/soc/codecs/wm_hubs.c b/sound/soc/codecs/wm_hubs.c
index 19ca782..0e24092 100644
--- a/sound/soc/codecs/wm_hubs.c
+++ b/sound/soc/codecs/wm_hubs.c
@@ -293,7 +293,7 @@
 SOC_DOUBLE_R("Speaker ZC Switch",
 	     WM8993_SPEAKER_VOLUME_LEFT, WM8993_SPEAKER_VOLUME_RIGHT,
 	     7, 1, 0),
-SOC_DOUBLE_TLV("Speaker Boost Volume", WM8993_SPKOUT_BOOST, 0, 3, 7, 0,
+SOC_DOUBLE_TLV("Speaker Boost Volume", WM8993_SPKOUT_BOOST, 3, 0, 7, 0,
 	       spkboost_tlv),
 SOC_ENUM("Speaker Reference", speaker_ref),
 SOC_ENUM("Speaker Mode", speaker_mode),
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 441285a..85b7d54 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -1619,12 +1619,14 @@
 #ifdef CONFIG_SND_SOC_AC97_BUS
 	/* register any AC97 codecs */
 	for (i = 0; i < card->num_rtd; i++) {
-			ret = soc_register_ac97_dai_link(&card->rtd[i]);
-			if (ret < 0) {
-				printk(KERN_ERR "asoc: failed to register AC97 %s\n", card->name);
-				goto probe_dai_err;
-			}
+		ret = soc_register_ac97_dai_link(&card->rtd[i]);
+		if (ret < 0) {
+			printk(KERN_ERR "asoc: failed to register AC97 %s\n", card->name);
+			while (--i >= 0)
+				soc_unregister_ac97_dai_link(&card->rtd[i]);
+			goto probe_dai_err;
 		}
+	}
 #endif
 
 	card->instantiated = 1;
@@ -3072,7 +3074,9 @@
 		pr_debug("Registered DAI '%s'\n", dai->name);
 	}
 
+	mutex_lock(&client_mutex);
 	snd_soc_instantiate_cards();
+	mutex_unlock(&client_mutex);
 	return 0;
 
 err:
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index e2c2de2..564491f 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -197,7 +197,7 @@
 	if (child_pid > 0)
 		kill(child_pid, SIGTERM);
 
-	if (signr == -1)
+	if (signr == -1 || signr == SIGUSR1)
 		return;
 
 	signal(signr, SIG_DFL);
@@ -515,6 +515,7 @@
 	atexit(sig_atexit);
 	signal(SIGCHLD, sig_handler);
 	signal(SIGINT, sig_handler);
+	signal(SIGUSR1, sig_handler);
 
 	if (forks && (pipe(child_ready_pipe) < 0 || pipe(go_pipe) < 0)) {
 		perror("failed to create pipes");
@@ -606,6 +607,7 @@
 			execvp(argv[0], (char **)argv);
 
 			perror(argv[0]);
+			kill(getppid(), SIGUSR1);
 			exit(-1);
 		}
 
@@ -762,7 +764,7 @@
 		}
 	}
 
-	if (quiet)
+	if (quiet || signr == SIGUSR1)
 		return 0;
 
 	fprintf(stderr, "[ perf record: Woken up %ld times to write data ]\n", waking);
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index d7e67b1..64a85ba 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -946,11 +946,16 @@
 
 	/*
 	 * We set id to -1 if the data file doesn't contain sample
-	 * ids. Check for this and avoid walking through the entire
-	 * list of ids which may be large.
+	 * ids. This can happen when the data file contains one type
+	 * of event and in that case, the header can still store the
+	 * event attribute information. Check for this and avoid
+	 * walking through the entire list of ids which may be large.
 	 */
-	if (id == -1ULL)
+	if (id == -1ULL) {
+		if (header->attrs > 0)
+			return &header->attr[0]->attr;
 		return NULL;
+	}
 
 	for (i = 0; i < header->attrs; i++) {
 		struct perf_header_attr *attr = header->attr[i];
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 0500895..d628c8d 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -532,7 +532,7 @@
 	struct machine *machine = kmaps->machine;
 	struct map *curr_map = map;
 	struct symbol *pos;
-	int count = 0;
+	int count = 0, moved = 0;	
 	struct rb_root *root = &self->symbols[map->type];
 	struct rb_node *next = rb_first(root);
 	int kernel_range = 0;
@@ -590,6 +590,11 @@
 			char dso_name[PATH_MAX];
 			struct dso *dso;
 
+			if (count == 0) {
+				curr_map = map;
+				goto filter_symbol;
+			}
+
 			if (self->kernel == DSO_TYPE_GUEST_KERNEL)
 				snprintf(dso_name, sizeof(dso_name),
 					"[guest.kernel].%d",
@@ -615,7 +620,7 @@
 			map_groups__insert(kmaps, curr_map);
 			++kernel_range;
 		}
-
+filter_symbol:
 		if (filter && filter(curr_map, pos)) {
 discard_symbol:		rb_erase(&pos->rb_node, root);
 			symbol__delete(pos);
@@ -623,8 +628,9 @@
 			if (curr_map != map) {
 				rb_erase(&pos->rb_node, root);
 				symbols__insert(&curr_map->dso->symbols[curr_map->type], pos);
-			}
-			count++;
+				++moved;
+			} else
+				++count;
 		}
 	}
 
@@ -634,7 +640,7 @@
 		dso__set_loaded(curr_map->dso, curr_map->type);
 	}
 
-	return count;
+	return count + moved;
 }
 
 int dso__load_kallsyms(struct dso *self, const char *filename,
@@ -2125,14 +2131,55 @@
 	return kernel;
 }
 
+struct process_args {
+	u64 start;
+};
+
+static int symbol__in_kernel(void *arg, const char *name,
+			     char type __used, u64 start)
+{
+	struct process_args *args = arg;
+
+	if (strchr(name, '['))
+		return 0;
+
+	args->start = start;
+	return 1;
+}
+
+/* Figure out the start address of kernel map from /proc/kallsyms */
+static u64 machine__get_kernel_start_addr(struct machine *machine)
+{
+	const char *filename;
+	char path[PATH_MAX];
+	struct process_args args;
+
+	if (machine__is_host(machine)) {
+		filename = "/proc/kallsyms";
+	} else {
+		if (machine__is_default_guest(machine))
+			filename = (char *)symbol_conf.default_guest_kallsyms;
+		else {
+			sprintf(path, "%s/proc/kallsyms", machine->root_dir);
+			filename = path;
+		}
+	}
+
+	if (kallsyms__parse(filename, &args, symbol__in_kernel) <= 0)
+		return 0;
+
+	return args.start;
+}
+
 int __machine__create_kernel_maps(struct machine *self, struct dso *kernel)
 {
 	enum map_type type;
+	u64 start = machine__get_kernel_start_addr(self);
 
 	for (type = 0; type < MAP__NR_TYPES; ++type) {
 		struct kmap *kmap;
 
-		self->vmlinux_maps[type] = map__new2(0, kernel, type);
+		self->vmlinux_maps[type] = map__new2(start, kernel, type);
 		if (self->vmlinux_maps[type] == NULL)
 			return -1;