Merge branch 'robherring/for-next' from git://sources.calxeda.com/kernel/linux.git

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
diff --git a/Documentation/device-mapper/dm-raid.txt b/Documentation/device-mapper/dm-raid.txt
index 728c38c..56fb62b 100644
--- a/Documentation/device-mapper/dm-raid.txt
+++ b/Documentation/device-mapper/dm-raid.txt
@@ -141,3 +141,4 @@
 1.2.0	Handle creation of arrays that contain failed devices.
 1.3.0	Added support for RAID 10
 1.3.1	Allow device replacement/rebuild for RAID 10
+1.3.2   Fix/improve redundancy checking for RAID10
diff --git a/Documentation/devicetree/bindings/arm/atmel-aic.txt b/Documentation/devicetree/bindings/arm/atmel-aic.txt
index 19078bf..ad03121 100644
--- a/Documentation/devicetree/bindings/arm/atmel-aic.txt
+++ b/Documentation/devicetree/bindings/arm/atmel-aic.txt
@@ -4,7 +4,7 @@
 - compatible: Should be "atmel,<chip>-aic"
 - interrupt-controller: Identifies the node as an interrupt controller.
 - interrupt-parent: For single AIC system, it is an empty property.
-- #interrupt-cells: The number of cells to define the interrupts. It sould be 3.
+- #interrupt-cells: The number of cells to define the interrupts. It should be 3.
   The first cell is the IRQ number (aka "Peripheral IDentifier" on datasheet).
   The second cell is used to specify flags:
     bits[3:0] trigger type and level flags:
diff --git a/Documentation/devicetree/bindings/arm/gic.txt b/Documentation/devicetree/bindings/arm/gic.txt
index 62eb8df..3dfb0c0 100644
--- a/Documentation/devicetree/bindings/arm/gic.txt
+++ b/Documentation/devicetree/bindings/arm/gic.txt
@@ -42,7 +42,7 @@
 
 Optional
 - interrupts	: Interrupt source of the parent interrupt controller on
-  secondary GICs, or VGIC maintainance interrupt on primary GIC (see
+  secondary GICs, or VGIC maintenance interrupt on primary GIC (see
   below).
 
 - cpu-offset	: per-cpu offset within the distributor and cpu interface
@@ -74,7 +74,7 @@
   virtual interface control register base and size. The 2nd additional
   region is the GIC virtual cpu interface register base and size.
 
-- interrupts : VGIC maintainance interrupt.
+- interrupts : VGIC maintenance interrupt.
 
 Example:
 
diff --git a/Documentation/devicetree/bindings/arm/omap/omap.txt b/Documentation/devicetree/bindings/arm/omap/omap.txt
index d0051a7..f8288ea 100644
--- a/Documentation/devicetree/bindings/arm/omap/omap.txt
+++ b/Documentation/devicetree/bindings/arm/omap/omap.txt
@@ -39,16 +39,16 @@
 - OMAP3 Tobi with Overo : Commercial expansion board with daughter board
   compatible = "ti,omap3-tobi", "ti,omap3-overo", "ti,omap3"
 
-- OMAP4 SDP : Software Developement Board
+- OMAP4 SDP : Software Development Board
   compatible = "ti,omap4-sdp", "ti,omap4430"
 
 - OMAP4 PandaBoard : Low cost community board
   compatible = "ti,omap4-panda", "ti,omap4430"
 
-- OMAP3 EVM : Software Developement Board for OMAP35x, AM/DM37x
+- OMAP3 EVM : Software Development Board for OMAP35x, AM/DM37x
   compatible = "ti,omap3-evm", "ti,omap3"
 
-- AM335X EVM : Software Developement Board for AM335x
+- AM335X EVM : Software Development Board for AM335x
   compatible = "ti,am335x-evm", "ti,am33xx", "ti,omap3"
 
 - AM335X Bone : Low cost community board
diff --git a/Documentation/devicetree/bindings/gpio/leds-ns2.txt b/Documentation/devicetree/bindings/leds/leds-ns2.txt
similarity index 100%
rename from Documentation/devicetree/bindings/gpio/leds-ns2.txt
rename to Documentation/devicetree/bindings/leds/leds-ns2.txt
diff --git a/Documentation/devicetree/bindings/mips/cavium/dma-engine.txt b/Documentation/devicetree/bindings/mips/cavium/dma-engine.txt
index cb4291e..a5bdff4 100644
--- a/Documentation/devicetree/bindings/mips/cavium/dma-engine.txt
+++ b/Documentation/devicetree/bindings/mips/cavium/dma-engine.txt
@@ -1,7 +1,7 @@
 * DMA Engine.
 
 The Octeon DMA Engine transfers between the Boot Bus and main memory.
-The DMA Engine will be refered to by phandle by any device that is
+The DMA Engine will be referred to by phandle by any device that is
 connected to it.
 
 Properties:
diff --git a/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt
index 7927689..898b222 100644
--- a/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt
+++ b/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt
@@ -11,11 +11,11 @@
 
 * compatible: should be
 	- "samsung,exynos4210-dw-mshc": for controllers with Samsung Exynos4210
-	  specific extentions.
+	  specific extensions.
 	- "samsung,exynos4412-dw-mshc": for controllers with Samsung Exynos4412
-	  specific extentions.
+	  specific extensions.
 	- "samsung,exynos5250-dw-mshc": for controllers with Samsung Exynos5250
-	  specific extentions.
+	  specific extensions.
 
 * samsung,dw-mshc-ciu-div: Specifies the divider value for the card interface
   unit (ciu) clock. This property is applicable only for Exynos5 SoC's and
diff --git a/Documentation/devicetree/bindings/mmc/samsung-sdhci.txt b/Documentation/devicetree/bindings/mmc/samsung-sdhci.txt
index 97e9e31..3b3a1ee 100644
--- a/Documentation/devicetree/bindings/mmc/samsung-sdhci.txt
+++ b/Documentation/devicetree/bindings/mmc/samsung-sdhci.txt
@@ -55,5 +55,5 @@
 	};
 
 	Note: This example shows both SoC specific and board specific properties
-	in a single device node. The properties can be actually be seperated
+	in a single device node. The properties can be actually be separated
 	into SoC specific node and board specific node.
diff --git a/Documentation/devicetree/bindings/pinctrl/atmel,at91-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/atmel,at91-pinctrl.txt
index 3a26812..bc50899 100644
--- a/Documentation/devicetree/bindings/pinctrl/atmel,at91-pinctrl.txt
+++ b/Documentation/devicetree/bindings/pinctrl/atmel,at91-pinctrl.txt
@@ -81,7 +81,8 @@
 Required properties for pin configuration node:
 - atmel,pins: 4 integers array, represents a group of pins mux and config
   setting. The format is atmel,pins = <PIN_BANK PIN_BANK_NUM PERIPH CONFIG>.
-  The PERIPH 0 means gpio.
+  The PERIPH 0 means gpio, PERIPH 1 is periph A, PERIPH 2 is periph B...
+  PIN_BANK 0 is pioA, PIN_BANK 1 is pioB...
 
 Bits used for CONFIG:
 PULL_UP		(1 << 0): indicate this pin need a pull up.
@@ -126,7 +127,7 @@
 		pinctrl_dbgu: dbgu-0 {
 			atmel,pins =
 				<1 14 0x1 0x0	/* PB14 periph A */
-				 1 15 0x1 0x1>;	/* PB15 periph with pullup */
+				 1 15 0x1 0x1>;	/* PB15 periph A with pullup */
 		};
 	};
 };
diff --git a/Documentation/devicetree/bindings/powerpc/fsl/srio.txt b/Documentation/devicetree/bindings/powerpc/fsl/srio.txt
index b039bcb..07abf0f 100644
--- a/Documentation/devicetree/bindings/powerpc/fsl/srio.txt
+++ b/Documentation/devicetree/bindings/powerpc/fsl/srio.txt
@@ -8,9 +8,9 @@
 	Definition: Must include "fsl,srio" for IP blocks with IP Block
 	Revision Register (SRIO IPBRR1) Major ID equal to 0x01c0.
 
-	Optionally, a compatiable string of "fsl,srio-vX.Y" where X is Major
+	Optionally, a compatible string of "fsl,srio-vX.Y" where X is Major
 	version in IP Block Revision Register and Y is Minor version.  If this
-	compatiable is provided it should be ordered before "fsl,srio".
+	compatible is provided it should be ordered before "fsl,srio".
 
    - reg
 	Usage: required
diff --git a/Documentation/devicetree/bindings/regulator/tps62360-regulator.txt b/Documentation/devicetree/bindings/regulator/tps62360-regulator.txt
index c8ca6b8..1b20c3d 100644
--- a/Documentation/devicetree/bindings/regulator/tps62360-regulator.txt
+++ b/Documentation/devicetree/bindings/regulator/tps62360-regulator.txt
@@ -17,9 +17,9 @@
 - ti,vsel1-gpio: Gpio for controlling VSEL1 line.
   If this property is missing, then assume that there is no GPIO
   for vsel1 control.
-- ti,vsel0-state-high: Inital state of vsel0 input is high.
+- ti,vsel0-state-high: Initial state of vsel0 input is high.
   If this property is missing, then assume the state as low (0).
-- ti,vsel1-state-high: Inital state of vsel1 input is high.
+- ti,vsel1-state-high: Initial state of vsel1 input is high.
   If this property is missing, then assume the state as low (0).
 
 Any property defined as part of the core regulator binding, defined in
diff --git a/Documentation/devicetree/bindings/rtc/s3c-rtc.txt b/Documentation/devicetree/bindings/rtc/s3c-rtc.txt
index 90ec45f..7ac7259 100644
--- a/Documentation/devicetree/bindings/rtc/s3c-rtc.txt
+++ b/Documentation/devicetree/bindings/rtc/s3c-rtc.txt
@@ -7,7 +7,7 @@
 - reg: physical base address of the controller and length of memory mapped
   region.
 - interrupts: Two interrupt numbers to the cpu should be specified. First
-  interrupt number is the rtc alarm interupt and second interrupt number
+  interrupt number is the rtc alarm interrupt and second interrupt number
   is the rtc tick interrupt. The number of cells representing a interrupt
   depends on the parent interrupt controller.
 
diff --git a/Documentation/devicetree/bindings/watchdog/samsung-wdt.txt b/Documentation/devicetree/bindings/watchdog/samsung-wdt.txt
index 79ead82..ce0d8e7 100644
--- a/Documentation/devicetree/bindings/watchdog/samsung-wdt.txt
+++ b/Documentation/devicetree/bindings/watchdog/samsung-wdt.txt
@@ -2,7 +2,7 @@
 
 The Samsung's Watchdog controller is used for resuming system operation
 after a preset amount of time during which the WDT reset event has not
-occured.
+occurred.
 
 Required properties:
 - compatible : should be "samsung,s3c2410-wdt"
diff --git a/Documentation/filesystems/f2fs.txt b/Documentation/filesystems/f2fs.txt
index 8fbd8b4..dcf338e 100644
--- a/Documentation/filesystems/f2fs.txt
+++ b/Documentation/filesystems/f2fs.txt
@@ -175,9 +175,9 @@
                                             align with the zone size <-|
                  |-> align with the segment size
      _________________________________________________________________________
-    |            |            |    Node     |   Segment   |   Segment  |      |
-    | Superblock | Checkpoint |   Address   |    Info.    |   Summary  | Main |
-    |    (SB)    |   (CP)     | Table (NAT) | Table (SIT) | Area (SSA) |      |
+    |            |            |   Segment   |    Node     |   Segment  |      |
+    | Superblock | Checkpoint |    Info.    |   Address   |   Summary  | Main |
+    |    (SB)    |   (CP)     | Table (SIT) | Table (NAT) | Area (SSA) |      |
     |____________|_____2______|______N______|______N______|______N_____|__N___|
                                                                        .      .
                                                              .                .
@@ -200,14 +200,14 @@
  : It contains file system information, bitmaps for valid NAT/SIT sets, orphan
    inode lists, and summary entries of current active segments.
 
-- Node Address Table (NAT)
- : It is composed of a block address table for all the node blocks stored in
-   Main area.
-
 - Segment Information Table (SIT)
  : It contains segment information such as valid block count and bitmap for the
    validity of all the blocks.
 
+- Node Address Table (NAT)
+ : It is composed of a block address table for all the node blocks stored in
+   Main area.
+
 - Segment Summary Area (SSA)
  : It contains summary entries which contains the owner information of all the
    data and node blocks stored in Main area.
@@ -236,13 +236,13 @@
 valid, as shown as below.
 
   +--------+----------+---------+
-  |   CP   |    NAT   |   SIT   |
+  |   CP   |    SIT   |   NAT   |
   +--------+----------+---------+
   .         .          .          .
   .            .              .              .
   .               .                 .                 .
   +-------+-------+--------+--------+--------+--------+
-  | CP #0 | CP #1 | NAT #0 | NAT #1 | SIT #0 | SIT #1 |
+  | CP #0 | CP #1 | SIT #0 | SIT #1 | NAT #0 | NAT #1 |
   +-------+-------+--------+--------+--------+--------+
      |             ^                          ^
      |             |                          |
diff --git a/Documentation/hid/hid-sensor.txt b/Documentation/hid/hid-sensor.txt
old mode 100755
new mode 100644
diff --git a/Documentation/x86/boot.txt b/Documentation/x86/boot.txt
index 406d82d..3edb4c2 100644
--- a/Documentation/x86/boot.txt
+++ b/Documentation/x86/boot.txt
@@ -57,6 +57,10 @@
 Protocol 2.11:	(Kernel 3.6) Added a field for offset of EFI handover
 		protocol entry point.
 
+Protocol 2.12:	(Kernel 3.9) Added the xloadflags field and extension fields
+	 	to struct boot_params for for loading bzImage and ramdisk
+		above 4G in 64bit.
+
 **** MEMORY LAYOUT
 
 The traditional memory map for the kernel loader, used for Image or
@@ -182,7 +186,7 @@
 0230/4	2.05+	kernel_alignment Physical addr alignment required for kernel
 0234/1	2.05+	relocatable_kernel Whether kernel is relocatable or not
 0235/1	2.10+	min_alignment	Minimum alignment, as a power of two
-0236/2	N/A	pad3		Unused
+0236/2	2.12+	xloadflags	Boot protocol option flags
 0238/4	2.06+	cmdline_size	Maximum size of the kernel command line
 023C/4	2.07+	hardware_subarch Hardware subarchitecture
 0240/8	2.07+	hardware_subarch_data Subarchitecture-specific data
@@ -582,6 +586,27 @@
   misaligned kernel.  Therefore, a loader should typically try each
   power-of-two alignment from kernel_alignment down to this alignment.
 
+Field name:     xloadflags
+Type:           read
+Offset/size:    0x236/2
+Protocol:       2.12+
+
+  This field is a bitmask.
+
+  Bit 0 (read):	XLF_KERNEL_64
+	- If 1, this kernel has the legacy 64-bit entry point at 0x200.
+
+  Bit 1 (read): XLF_CAN_BE_LOADED_ABOVE_4G
+        - If 1, kernel/boot_params/cmdline/ramdisk can be above 4G.
+
+  Bit 2 (read):	XLF_EFI_HANDOVER_32
+	- If 1, the kernel supports the 32-bit EFI handoff entry point
+          given at handover_offset.
+
+  Bit 3 (read): XLF_EFI_HANDOVER_64
+	- If 1, the kernel supports the 64-bit EFI handoff entry point
+          given at handover_offset + 0x200.
+
 Field name:	cmdline_size
 Type:		read
 Offset/size:	0x238/4
diff --git a/Documentation/x86/zero-page.txt b/Documentation/x86/zero-page.txt
index cf5437d..199f453 100644
--- a/Documentation/x86/zero-page.txt
+++ b/Documentation/x86/zero-page.txt
@@ -19,6 +19,9 @@
 090/010	ALL	hd1_info	hd1 disk parameter, OBSOLETE!!
 0A0/010	ALL	sys_desc_table	System description table (struct sys_desc_table)
 0B0/010	ALL	olpc_ofw_header	OLPC's OpenFirmware CIF and friends
+0C0/004	ALL	ext_ramdisk_image ramdisk_image high 32bits
+0C4/004	ALL	ext_ramdisk_size  ramdisk_size high 32bits
+0C8/004	ALL	ext_cmd_line_ptr  cmd_line_ptr high 32bits
 140/080	ALL	edid_info	Video mode setup (struct edid_info)
 1C0/020	ALL	efi_info	EFI 32 information (struct efi_info)
 1E0/004	ALL	alk_mem_k	Alternative mem check, in KB
@@ -27,6 +30,7 @@
 1E9/001	ALL	eddbuf_entries	Number of entries in eddbuf (below)
 1EA/001	ALL	edd_mbr_sig_buf_entries	Number of entries in edd_mbr_sig_buffer
 				(below)
+1EF/001	ALL	sentinel	Used to detect broken bootloaders
 290/040	ALL	edd_mbr_sig_buffer EDD MBR signatures
 2D0/A00	ALL	e820_map	E820 memory map table
 				(array of struct e820entry)
diff --git a/MAINTAINERS b/MAINTAINERS
index 3105c48..212c255 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2966,7 +2966,7 @@
 F:	drivers/net/ethernet/i825xx/eexpress.*
 
 ETHERNET BRIDGE
-M:	Stephen Hemminger <shemminger@vyatta.com>
+M:	Stephen Hemminger <stephen@networkplumber.org>
 L:	bridge@lists.linux-foundation.org
 L:	netdev@vger.kernel.org
 W:	http://www.linuxfoundation.org/en/Net:Bridge
@@ -4905,7 +4905,7 @@
 
 MARVELL GIGABIT ETHERNET DRIVERS (skge/sky2)
 M:	Mirko Lindner <mlindner@marvell.com>
-M:	Stephen Hemminger <shemminger@vyatta.com>
+M:	Stephen Hemminger <stephen@networkplumber.org>
 L:	netdev@vger.kernel.org
 S:	Maintained
 F:	drivers/net/ethernet/marvell/sk*
@@ -5180,7 +5180,7 @@
 F:	drivers/infiniband/hw/nes/
 
 NETEM NETWORK EMULATOR
-M:	Stephen Hemminger <shemminger@vyatta.com>
+M:	Stephen Hemminger <stephen@networkplumber.org>
 L:	netem@lists.linux-foundation.org
 S:	Maintained
 F:	net/sched/sch_netem.c
@@ -6585,7 +6585,7 @@
 F:	include/media/s3c_camif.h
 
 SERIAL DRIVERS
-M:	Alan Cox <alan@linux.intel.com>
+M:	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 L:	linux-serial@vger.kernel.org
 S:	Maintained
 F:	drivers/tty/serial
@@ -7088,7 +7088,7 @@
 F:	sound/
 
 SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEMENT (ASoC)
-M:	Liam Girdwood <lrg@ti.com>
+M:	Liam Girdwood <lgirdwood@gmail.com>
 M:	Mark Brown <broonie@opensource.wolfsonmicro.com>
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git
 L:	alsa-devel@alsa-project.org (moderated for non-subscribers)
diff --git a/Makefile b/Makefile
index 253a455..54dfde5 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
 VERSION = 3
 PATCHLEVEL = 8
 SUBLEVEL = 0
-EXTRAVERSION = -rc4
-NAME = Terrified Chipmunk
+EXTRAVERSION = -rc6
+NAME = Unicycling Gorilla
 
 # *DOCUMENTATION*
 # To see a list of typical targets execute "make help"
@@ -169,7 +169,7 @@
 				  -e s/arm.*/arm/ -e s/sa110/arm/ \
 				  -e s/s390x/s390/ -e s/parisc64/parisc/ \
 				  -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
-				  -e s/sh[234].*/sh/ )
+				  -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ )
 
 # Cross compiling and selecting different set of gcc/bin-utils
 # ---------------------------------------------------------------------------
diff --git a/arch/arm/boot/dts/armada-370-db.dts b/arch/arm/boot/dts/armada-370-db.dts
index 0004402..9b82fac 100644
--- a/arch/arm/boot/dts/armada-370-db.dts
+++ b/arch/arm/boot/dts/armada-370-db.dts
@@ -26,7 +26,7 @@
 
 	memory {
 		device_type = "memory";
-		reg = <0x00000000 0x20000000>; /* 512 MB */
+		reg = <0x00000000 0x40000000>; /* 1 GB */
 	};
 
 	soc {
diff --git a/arch/arm/boot/dts/armada-xp-mv78230.dtsi b/arch/arm/boot/dts/armada-xp-mv78230.dtsi
index 271855a..e041f42 100644
--- a/arch/arm/boot/dts/armada-xp-mv78230.dtsi
+++ b/arch/arm/boot/dts/armada-xp-mv78230.dtsi
@@ -50,27 +50,25 @@
 		};
 
 		gpio0: gpio@d0018100 {
-			compatible = "marvell,armadaxp-gpio";
-			reg = <0xd0018100 0x40>,
-			    <0xd0018800 0x30>;
+			compatible = "marvell,orion-gpio";
+			reg = <0xd0018100 0x40>;
 			ngpios = <32>;
 			gpio-controller;
 			#gpio-cells = <2>;
 			interrupt-controller;
 			#interrupts-cells = <2>;
-			interrupts = <16>, <17>, <18>, <19>;
+			interrupts = <82>, <83>, <84>, <85>;
 		};
 
 		gpio1: gpio@d0018140 {
-			compatible = "marvell,armadaxp-gpio";
-			reg = <0xd0018140 0x40>,
-			    <0xd0018840 0x30>;
+			compatible = "marvell,orion-gpio";
+			reg = <0xd0018140 0x40>;
 			ngpios = <17>;
 			gpio-controller;
 			#gpio-cells = <2>;
 			interrupt-controller;
 			#interrupts-cells = <2>;
-			interrupts = <20>, <21>, <22>;
+			interrupts = <87>, <88>, <89>;
 		};
 	};
 };
diff --git a/arch/arm/boot/dts/armada-xp-mv78260.dtsi b/arch/arm/boot/dts/armada-xp-mv78260.dtsi
index 1c1937d..9e23bd8 100644
--- a/arch/arm/boot/dts/armada-xp-mv78260.dtsi
+++ b/arch/arm/boot/dts/armada-xp-mv78260.dtsi
@@ -51,39 +51,36 @@
 		};
 
 		gpio0: gpio@d0018100 {
-			compatible = "marvell,armadaxp-gpio";
-			reg = <0xd0018100 0x40>,
-			    <0xd0018800 0x30>;
+			compatible = "marvell,orion-gpio";
+			reg = <0xd0018100 0x40>;
 			ngpios = <32>;
 			gpio-controller;
 			#gpio-cells = <2>;
 			interrupt-controller;
 			#interrupts-cells = <2>;
-			interrupts = <16>, <17>, <18>, <19>;
+			interrupts = <82>, <83>, <84>, <85>;
 		};
 
 		gpio1: gpio@d0018140 {
-			compatible = "marvell,armadaxp-gpio";
-			reg = <0xd0018140 0x40>,
-			    <0xd0018840 0x30>;
+			compatible = "marvell,orion-gpio";
+			reg = <0xd0018140 0x40>;
 			ngpios = <32>;
 			gpio-controller;
 			#gpio-cells = <2>;
 			interrupt-controller;
 			#interrupts-cells = <2>;
-			interrupts = <20>, <21>, <22>, <23>;
+			interrupts = <87>, <88>, <89>, <90>;
 		};
 
 		gpio2: gpio@d0018180 {
-			compatible = "marvell,armadaxp-gpio";
-			reg = <0xd0018180 0x40>,
-			    <0xd0018870 0x30>;
+			compatible = "marvell,orion-gpio";
+			reg = <0xd0018180 0x40>;
 			ngpios = <3>;
 			gpio-controller;
 			#gpio-cells = <2>;
 			interrupt-controller;
 			#interrupts-cells = <2>;
-			interrupts = <24>;
+			interrupts = <91>;
 		};
 
 		ethernet@d0034000 {
diff --git a/arch/arm/boot/dts/armada-xp-mv78460.dtsi b/arch/arm/boot/dts/armada-xp-mv78460.dtsi
index 4905cf3..9659661 100644
--- a/arch/arm/boot/dts/armada-xp-mv78460.dtsi
+++ b/arch/arm/boot/dts/armada-xp-mv78460.dtsi
@@ -66,39 +66,36 @@
 		};
 
 		gpio0: gpio@d0018100 {
-			compatible = "marvell,armadaxp-gpio";
-			reg = <0xd0018100 0x40>,
-			    <0xd0018800 0x30>;
+			compatible = "marvell,orion-gpio";
+			reg = <0xd0018100 0x40>;
 			ngpios = <32>;
 			gpio-controller;
 			#gpio-cells = <2>;
 			interrupt-controller;
 			#interrupts-cells = <2>;
-			interrupts = <16>, <17>, <18>, <19>;
+			interrupts = <82>, <83>, <84>, <85>;
 		};
 
 		gpio1: gpio@d0018140 {
-			compatible = "marvell,armadaxp-gpio";
-			reg = <0xd0018140 0x40>,
-			    <0xd0018840 0x30>;
+			compatible = "marvell,orion-gpio";
+			reg = <0xd0018140 0x40>;
 			ngpios = <32>;
 			gpio-controller;
 			#gpio-cells = <2>;
 			interrupt-controller;
 			#interrupts-cells = <2>;
-			interrupts = <20>, <21>, <22>, <23>;
+			interrupts = <87>, <88>, <89>, <90>;
 		};
 
 		gpio2: gpio@d0018180 {
-			compatible = "marvell,armadaxp-gpio";
-			reg = <0xd0018180 0x40>,
-			    <0xd0018870 0x30>;
+			compatible = "marvell,orion-gpio";
+			reg = <0xd0018180 0x40>;
 			ngpios = <3>;
 			gpio-controller;
 			#gpio-cells = <2>;
 			interrupt-controller;
 			#interrupts-cells = <2>;
-			interrupts = <24>;
+			interrupts = <91>;
 		};
 
 		ethernet@d0034000 {
diff --git a/arch/arm/boot/dts/at91rm9200.dtsi b/arch/arm/boot/dts/at91rm9200.dtsi
index e154f24..222047f 100644
--- a/arch/arm/boot/dts/at91rm9200.dtsi
+++ b/arch/arm/boot/dts/at91rm9200.dtsi
@@ -336,8 +336,8 @@
 
 	i2c@0 {
 		compatible = "i2c-gpio";
-		gpios = <&pioA 23 0 /* sda */
-			 &pioA 24 0 /* scl */
+		gpios = <&pioA 25 0 /* sda */
+			 &pioA 26 0 /* scl */
 			>;
 		i2c-gpio,sda-open-drain;
 		i2c-gpio,scl-open-drain;
diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi
index 3a47cf9..8ecca69 100644
--- a/arch/arm/boot/dts/at91sam9x5.dtsi
+++ b/arch/arm/boot/dts/at91sam9x5.dtsi
@@ -143,6 +143,11 @@
 						atmel,pins =
 							<0 3 0x1 0x0>;	/* PA3 periph A */
 					};
+
+					pinctrl_usart0_sck: usart0_sck-0 {
+						atmel,pins =
+							<0 4 0x1 0x0>;	/* PA4 periph A */
+					};
 				};
 
 				usart1 {
@@ -154,12 +159,17 @@
 
 					pinctrl_usart1_rts: usart1_rts-0 {
 						atmel,pins =
-							<3 27 0x3 0x0>;	/* PC27 periph C */
+							<2 27 0x3 0x0>;	/* PC27 periph C */
 					};
 
 					pinctrl_usart1_cts: usart1_cts-0 {
 						atmel,pins =
-							<3 28 0x3 0x0>;	/* PC28 periph C */
+							<2 28 0x3 0x0>;	/* PC28 periph C */
+					};
+
+					pinctrl_usart1_sck: usart1_sck-0 {
+						atmel,pins =
+							<2 28 0x3 0x0>;	/* PC29 periph C */
 					};
 				};
 
@@ -172,46 +182,56 @@
 
 					pinctrl_uart2_rts: uart2_rts-0 {
 						atmel,pins =
-							<0 0 0x2 0x0>;	/* PB0 periph B */
+							<1 0 0x2 0x0>;	/* PB0 periph B */
 					};
 
 					pinctrl_uart2_cts: uart2_cts-0 {
 						atmel,pins =
-							<0 1 0x2 0x0>;	/* PB1 periph B */
+							<1 1 0x2 0x0>;	/* PB1 periph B */
+					};
+
+					pinctrl_usart2_sck: usart2_sck-0 {
+						atmel,pins =
+							<1 2 0x2 0x0>;	/* PB2 periph B */
 					};
 				};
 
 				usart3 {
 					pinctrl_uart3: usart3-0 {
 						atmel,pins =
-							<3 23 0x2 0x1	/* PC22 periph B with pullup */
-							 3 23 0x2 0x0>;	/* PC23 periph B */
+							<2 23 0x2 0x1	/* PC22 periph B with pullup */
+							 2 23 0x2 0x0>;	/* PC23 periph B */
 					};
 
 					pinctrl_usart3_rts: usart3_rts-0 {
 						atmel,pins =
-							<3 24 0x2 0x0>;	/* PC24 periph B */
+							<2 24 0x2 0x0>;	/* PC24 periph B */
 					};
 
 					pinctrl_usart3_cts: usart3_cts-0 {
 						atmel,pins =
-							<3 25 0x2 0x0>;	/* PC25 periph B */
+							<2 25 0x2 0x0>;	/* PC25 periph B */
+					};
+
+					pinctrl_usart3_sck: usart3_sck-0 {
+						atmel,pins =
+							<2 26 0x2 0x0>;	/* PC26 periph B */
 					};
 				};
 
 				uart0 {
 					pinctrl_uart0: uart0-0 {
 						atmel,pins =
-							<3 8 0x3 0x0	/* PC8 periph C */
-							 3 9 0x3 0x1>;	/* PC9 periph C with pullup */
+							<2 8 0x3 0x0	/* PC8 periph C */
+							 2 9 0x3 0x1>;	/* PC9 periph C with pullup */
 					};
 				};
 
 				uart1 {
 					pinctrl_uart1: uart1-0 {
 						atmel,pins =
-							<3 16 0x3 0x0	/* PC16 periph C */
-							 3 17 0x3 0x1>;	/* PC17 periph C with pullup */
+							<2 16 0x3 0x0	/* PC16 periph C */
+							 2 17 0x3 0x1>;	/* PC17 periph C with pullup */
 					};
 				};
 
@@ -240,14 +260,14 @@
 
 					pinctrl_macb0_rmii_mii: macb0_rmii_mii-0 {
 						atmel,pins =
-							<1 8 0x1 0x0	/* PA8 periph A */
-							 1 11 0x1 0x0	/* PA11 periph A */
-							 1 12 0x1 0x0	/* PA12 periph A */
-							 1 13 0x1 0x0	/* PA13 periph A */
-							 1 14 0x1 0x0	/* PA14 periph A */
-							 1 15 0x1 0x0	/* PA15 periph A */
-							 1 16 0x1 0x0	/* PA16 periph A */
-							 1 17 0x1 0x0>;	/* PA17 periph A */
+							<1 8 0x1 0x0	/* PB8 periph A */
+							 1 11 0x1 0x0	/* PB11 periph A */
+							 1 12 0x1 0x0	/* PB12 periph A */
+							 1 13 0x1 0x0	/* PB13 periph A */
+							 1 14 0x1 0x0	/* PB14 periph A */
+							 1 15 0x1 0x0	/* PB15 periph A */
+							 1 16 0x1 0x0	/* PB16 periph A */
+							 1 17 0x1 0x0>;	/* PB17 periph A */
 					};
 				};
 
diff --git a/arch/arm/boot/dts/cros5250-common.dtsi b/arch/arm/boot/dts/cros5250-common.dtsi
index fddd174..46c0980 100644
--- a/arch/arm/boot/dts/cros5250-common.dtsi
+++ b/arch/arm/boot/dts/cros5250-common.dtsi
@@ -96,8 +96,8 @@
 		fifo-depth = <0x80>;
 		card-detect-delay = <200>;
 		samsung,dw-mshc-ciu-div = <3>;
-		samsung,dw-mshc-sdr-timing = <2 3 3>;
-		samsung,dw-mshc-ddr-timing = <1 2 3>;
+		samsung,dw-mshc-sdr-timing = <2 3>;
+		samsung,dw-mshc-ddr-timing = <1 2>;
 
 		slot@0 {
 			reg = <0>;
@@ -120,8 +120,8 @@
 		fifo-depth = <0x80>;
 		card-detect-delay = <200>;
 		samsung,dw-mshc-ciu-div = <3>;
-		samsung,dw-mshc-sdr-timing = <2 3 3>;
-		samsung,dw-mshc-ddr-timing = <1 2 3>;
+		samsung,dw-mshc-sdr-timing = <2 3>;
+		samsung,dw-mshc-ddr-timing = <1 2>;
 
 		slot@0 {
 			reg = <0>;
@@ -141,8 +141,8 @@
 		fifo-depth = <0x80>;
 		card-detect-delay = <200>;
 		samsung,dw-mshc-ciu-div = <3>;
-		samsung,dw-mshc-sdr-timing = <2 3 3>;
-		samsung,dw-mshc-ddr-timing = <1 2 3>;
+		samsung,dw-mshc-sdr-timing = <2 3>;
+		samsung,dw-mshc-ddr-timing = <1 2>;
 
 		slot@0 {
 			reg = <0>;
diff --git a/arch/arm/boot/dts/dove-cubox.dts b/arch/arm/boot/dts/dove-cubox.dts
index fed7d3f..cdee96f 100644
--- a/arch/arm/boot/dts/dove-cubox.dts
+++ b/arch/arm/boot/dts/dove-cubox.dts
@@ -26,10 +26,15 @@
 };
 
 &uart0 { status = "okay"; };
-&sdio0 { status = "okay"; };
 &sata0 { status = "okay"; };
 &i2c0 { status = "okay"; };
 
+&sdio0 {
+	status = "okay";
+	/* sdio0 card detect is connected to wrong pin on CuBox */
+	cd-gpios = <&gpio0 12 1>;
+};
+
 &spi0 {
 	status = "okay";
 
@@ -42,9 +47,14 @@
 };
 
 &pinctrl {
-	pinctrl-0 = <&pmx_gpio_18>;
+	pinctrl-0 = <&pmx_gpio_12 &pmx_gpio_18>;
 	pinctrl-names = "default";
 
+	pmx_gpio_12: pmx-gpio-12 {
+		marvell,pins = "mpp12";
+		marvell,function = "gpio";
+	};
+
 	pmx_gpio_18: pmx-gpio-18 {
 		marvell,pins = "mpp18";
 		marvell,function = "gpio";
diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts
index 942d576..e05b18f 100644
--- a/arch/arm/boot/dts/exynos5250-smdk5250.dts
+++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts
@@ -115,8 +115,8 @@
 		fifo-depth = <0x80>;
 		card-detect-delay = <200>;
 		samsung,dw-mshc-ciu-div = <3>;
-		samsung,dw-mshc-sdr-timing = <2 3 3>;
-		samsung,dw-mshc-ddr-timing = <1 2 3>;
+		samsung,dw-mshc-sdr-timing = <2 3>;
+		samsung,dw-mshc-ddr-timing = <1 2>;
 
 		slot@0 {
 			reg = <0>;
@@ -139,8 +139,8 @@
 		fifo-depth = <0x80>;
 		card-detect-delay = <200>;
 		samsung,dw-mshc-ciu-div = <3>;
-		samsung,dw-mshc-sdr-timing = <2 3 3>;
-		samsung,dw-mshc-ddr-timing = <1 2 3>;
+		samsung,dw-mshc-sdr-timing = <2 3>;
+		samsung,dw-mshc-ddr-timing = <1 2>;
 
 		slot@0 {
 			reg = <0>;
diff --git a/arch/arm/boot/dts/kirkwood-ns2-common.dtsi b/arch/arm/boot/dts/kirkwood-ns2-common.dtsi
index 9bc6785..77d21ab 100644
--- a/arch/arm/boot/dts/kirkwood-ns2-common.dtsi
+++ b/arch/arm/boot/dts/kirkwood-ns2-common.dtsi
@@ -1,4 +1,5 @@
 /include/ "kirkwood.dtsi"
+/include/ "kirkwood-6281.dtsi"
 
 / {
 	chosen {
@@ -6,6 +7,21 @@
 	};
 
 	ocp@f1000000 {
+		pinctrl: pinctrl@10000 {
+			pinctrl-0 = < &pmx_spi &pmx_twsi0 &pmx_uart0
+					&pmx_ns2_sata0 &pmx_ns2_sata1>;
+			pinctrl-names = "default";
+
+			pmx_ns2_sata0: pmx-ns2-sata0 {
+				marvell,pins = "mpp21";
+				marvell,function = "sata0";
+			};
+			pmx_ns2_sata1: pmx-ns2-sata1 {
+				marvell,pins = "mpp20";
+				marvell,function = "sata1";
+			};
+		};
+
 		serial@12000 {
 			clock-frequency = <166666667>;
 			status = "okay";
diff --git a/arch/arm/boot/dts/kirkwood.dtsi b/arch/arm/boot/dts/kirkwood.dtsi
index 110d6cb..d6ab442 100644
--- a/arch/arm/boot/dts/kirkwood.dtsi
+++ b/arch/arm/boot/dts/kirkwood.dtsi
@@ -36,6 +36,7 @@
 			reg = <0x10100 0x40>;
 			ngpios = <32>;
 			interrupt-controller;
+			#interrupt-cells = <2>;
 			interrupts = <35>, <36>, <37>, <38>;
 		};
 
@@ -46,6 +47,7 @@
 			reg = <0x10140 0x40>;
 			ngpios = <18>;
 			interrupt-controller;
+			#interrupt-cells = <2>;
 			interrupts = <39>, <40>, <41>;
 		};
 
diff --git a/arch/arm/boot/dts/kizbox.dts b/arch/arm/boot/dts/kizbox.dts
index e8814fe..b4dc3ed 100644
--- a/arch/arm/boot/dts/kizbox.dts
+++ b/arch/arm/boot/dts/kizbox.dts
@@ -48,6 +48,8 @@
 
 			macb0: ethernet@fffc4000 {
 				phy-mode = "mii";
+				pinctrl-0 = <&pinctrl_macb_rmii
+				             &pinctrl_macb_rmii_mii_alt>;
 				status = "okay";
 			};
 
diff --git a/arch/arm/boot/dts/sunxi.dtsi b/arch/arm/boot/dts/sunxi.dtsi
index 8bbc2bf..8b36abe 100644
--- a/arch/arm/boot/dts/sunxi.dtsi
+++ b/arch/arm/boot/dts/sunxi.dtsi
@@ -60,19 +60,21 @@
 		};
 
 		uart0: uart@01c28000 {
-			compatible = "ns8250";
+			compatible = "snps,dw-apb-uart";
 			reg = <0x01c28000 0x400>;
 			interrupts = <1>;
 			reg-shift = <2>;
+			reg-io-width = <4>;
 			clock-frequency = <24000000>;
 			status = "disabled";
 		};
 
 		uart1: uart@01c28400 {
-			compatible = "ns8250";
+			compatible = "snps,dw-apb-uart";
 			reg = <0x01c28400 0x400>;
 			interrupts = <2>;
 			reg-shift = <2>;
+			reg-io-width = <4>;
 			clock-frequency = <24000000>;
 			status = "disabled";
 		};
diff --git a/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts b/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts
index 1fc405a..cf8071a 100644
--- a/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts
+++ b/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts
@@ -45,7 +45,6 @@
 			reg = <1>;
 		};
 
-/* A7s disabled till big.LITTLE patches are available...
 		cpu2: cpu@2 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a7";
@@ -63,7 +62,6 @@
 			compatible = "arm,cortex-a7";
 			reg = <0x102>;
 		};
-*/
 	};
 
 	memory@80000000 {
diff --git a/arch/arm/configs/at91_dt_defconfig b/arch/arm/configs/at91_dt_defconfig
index b175577..1ea9590 100644
--- a/arch/arm/configs/at91_dt_defconfig
+++ b/arch/arm/configs/at91_dt_defconfig
@@ -19,6 +19,7 @@
 CONFIG_SOC_AT91SAM9263=y
 CONFIG_SOC_AT91SAM9G45=y
 CONFIG_SOC_AT91SAM9X5=y
+CONFIG_SOC_AT91SAM9N12=y
 CONFIG_MACH_AT91SAM_DT=y
 CONFIG_AT91_PROGRAMMABLE_CLOCKS=y
 CONFIG_AT91_TIMER_HZ=128
@@ -31,7 +32,7 @@
 CONFIG_ZBOOT_ROM_BSS=0x0
 CONFIG_ARM_APPENDED_DTB=y
 CONFIG_ARM_ATAG_DTB_COMPAT=y
-CONFIG_CMDLINE="mem=128M console=ttyS0,115200 initrd=0x21100000,25165824 root=/dev/ram0 rw"
+CONFIG_CMDLINE="console=ttyS0,115200 initrd=0x21100000,25165824 root=/dev/ram0 rw"
 CONFIG_KEXEC=y
 CONFIG_AUTO_ZRELADDR=y
 # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
diff --git a/arch/arm/kernel/debug.S b/arch/arm/kernel/debug.S
index 6809200..14f7c3b 100644
--- a/arch/arm/kernel/debug.S
+++ b/arch/arm/kernel/debug.S
@@ -100,12 +100,14 @@
 		b	1b
 ENDPROC(printch)
 
+#ifdef CONFIG_MMU
 ENTRY(debug_ll_addr)
 		addruart r2, r3, ip
 		str	r2, [r0]
 		str	r3, [r1]
 		mov	pc, lr
 ENDPROC(debug_ll_addr)
+#endif
 
 #else
 
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
index 4eee351..486a15a 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -246,6 +246,7 @@
 
 	/*
 	 * Then map boot params address in r2 if specified.
+	 * We map 2 sections in case the ATAGs/DTB crosses a section boundary.
 	 */
 	mov	r0, r2, lsr #SECTION_SHIFT
 	movs	r0, r0, lsl #SECTION_SHIFT
@@ -253,6 +254,8 @@
 	addne	r3, r3, #PAGE_OFFSET
 	addne	r3, r4, r3, lsr #(SECTION_SHIFT - PMD_ORDER)
 	orrne	r6, r7, r0
+	strne	r6, [r3], #1 << PMD_ORDER
+	addne	r6, r6, #1 << SECTION_SHIFT
 	strne	r6, [r3]
 
 #ifdef CONFIG_DEBUG_LL
@@ -331,7 +334,7 @@
 	 * as it has already been validated by the primary processor.
 	 */
 #ifdef CONFIG_ARM_VIRT_EXT
-	bl	__hyp_stub_install
+	bl	__hyp_stub_install_secondary
 #endif
 	safe_svcmode_maskall r9
 
diff --git a/arch/arm/kernel/hyp-stub.S b/arch/arm/kernel/hyp-stub.S
index 65b2417..1315c4c 100644
--- a/arch/arm/kernel/hyp-stub.S
+++ b/arch/arm/kernel/hyp-stub.S
@@ -99,7 +99,7 @@
 	 * immediately.
 	 */
 	compare_cpu_mode_with_primary	r4, r5, r6, r7
-	bxne	lr
+	movne	pc, lr
 
 	/*
 	 * Once we have given up on one CPU, we do not try to install the
@@ -111,7 +111,7 @@
 	 */
 
 	cmp	r4, #HYP_MODE
-	bxne	lr			@ give up if the CPU is not in HYP mode
+	movne	pc, lr			@ give up if the CPU is not in HYP mode
 
 /*
  * Configure HSCTLR to set correct exception endianness/instruction set
@@ -120,7 +120,8 @@
  * Eventually, CPU-specific code might be needed -- assume not for now
  *
  * This code relies on the "eret" instruction to synchronize the
- * various coprocessor accesses.
+ * various coprocessor accesses. This is done when we switch to SVC
+ * (see safe_svcmode_maskall).
  */
 	@ Now install the hypervisor stub:
 	adr	r7, __hyp_stub_vectors
@@ -155,14 +156,7 @@
 1:
 #endif
 
-	bic	r7, r4, #MODE_MASK
-	orr	r7, r7, #SVC_MODE
-THUMB(	orr	r7, r7, #PSR_T_BIT	)
-	msr	spsr_cxsf, r7		@ This is SPSR_hyp.
-
-	__MSR_ELR_HYP(14)		@ msr elr_hyp, lr
-	__ERET				@ return, switching to SVC mode
-					@ The boot CPU mode is left in r4.
+	bx	lr			@ The boot CPU mode is left in r4.
 ENDPROC(__hyp_stub_install_secondary)
 
 __hyp_stub_do_trap:
@@ -200,7 +194,7 @@
 	@ fall through
 ENTRY(__hyp_set_vectors)
 	__HVC(0)
-	bx	lr
+	mov	pc, lr
 ENDPROC(__hyp_set_vectors)
 
 #ifndef ZIMAGE
diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c
index 9ee866c..4b67847 100644
--- a/arch/arm/mach-at91/setup.c
+++ b/arch/arm/mach-at91/setup.c
@@ -105,6 +105,8 @@
 	switch (socid) {
 	case ARCH_ID_AT91RM9200:
 		at91_soc_initdata.type = AT91_SOC_RM9200;
+		if (at91_soc_initdata.subtype == AT91_SOC_SUBTYPE_NONE)
+			at91_soc_initdata.subtype = AT91_SOC_RM9200_BGA;
 		at91_boot_soc = at91rm9200_soc;
 		break;
 
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index 3e628fd..0a2349d 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -851,6 +851,7 @@
 	select HAVE_CAN_FLEXCAN if CAN
 	select HAVE_IMX_GPC
 	select HAVE_IMX_MMDC
+	select HAVE_IMX_SRC
 	select HAVE_SMP
 	select MFD_SYSCON
 	select PINCTRL
diff --git a/arch/arm/mach-imx/clk-imx25.c b/arch/arm/mach-imx/clk-imx25.c
index b197aa7..2c570cd 100644
--- a/arch/arm/mach-imx/clk-imx25.c
+++ b/arch/arm/mach-imx/clk-imx25.c
@@ -254,9 +254,9 @@
 	clk_register_clkdev(clk[ipg], "ipg", "mxc-ehci.2");
 	clk_register_clkdev(clk[usbotg_ahb], "ahb", "mxc-ehci.2");
 	clk_register_clkdev(clk[usb_div], "per", "mxc-ehci.2");
-	clk_register_clkdev(clk[ipg], "ipg", "fsl-usb2-udc");
-	clk_register_clkdev(clk[usbotg_ahb], "ahb", "fsl-usb2-udc");
-	clk_register_clkdev(clk[usb_div], "per", "fsl-usb2-udc");
+	clk_register_clkdev(clk[ipg], "ipg", "imx-udc-mx27");
+	clk_register_clkdev(clk[usbotg_ahb], "ahb", "imx-udc-mx27");
+	clk_register_clkdev(clk[usb_div], "per", "imx-udc-mx27");
 	clk_register_clkdev(clk[nfc_ipg_per], NULL, "imx25-nand.0");
 	/* i.mx25 has the i.mx35 type cspi */
 	clk_register_clkdev(clk[cspi1_ipg], NULL, "imx35-cspi.0");
diff --git a/arch/arm/mach-imx/clk-imx27.c b/arch/arm/mach-imx/clk-imx27.c
index 4c1d1e4..1ffe3b534 100644
--- a/arch/arm/mach-imx/clk-imx27.c
+++ b/arch/arm/mach-imx/clk-imx27.c
@@ -236,9 +236,9 @@
 	clk_register_clkdev(clk[lcdc_ahb_gate], "ahb", "imx21-fb.0");
 	clk_register_clkdev(clk[csi_ahb_gate], "ahb", "imx27-camera.0");
 	clk_register_clkdev(clk[per4_gate], "per", "imx27-camera.0");
-	clk_register_clkdev(clk[usb_div], "per", "fsl-usb2-udc");
-	clk_register_clkdev(clk[usb_ipg_gate], "ipg", "fsl-usb2-udc");
-	clk_register_clkdev(clk[usb_ahb_gate], "ahb", "fsl-usb2-udc");
+	clk_register_clkdev(clk[usb_div], "per", "imx-udc-mx27");
+	clk_register_clkdev(clk[usb_ipg_gate], "ipg", "imx-udc-mx27");
+	clk_register_clkdev(clk[usb_ahb_gate], "ahb", "imx-udc-mx27");
 	clk_register_clkdev(clk[usb_div], "per", "mxc-ehci.0");
 	clk_register_clkdev(clk[usb_ipg_gate], "ipg", "mxc-ehci.0");
 	clk_register_clkdev(clk[usb_ahb_gate], "ahb", "mxc-ehci.0");
diff --git a/arch/arm/mach-imx/clk-imx31.c b/arch/arm/mach-imx/clk-imx31.c
index 8be64e0..16ccbd4 100644
--- a/arch/arm/mach-imx/clk-imx31.c
+++ b/arch/arm/mach-imx/clk-imx31.c
@@ -139,9 +139,9 @@
 	clk_register_clkdev(clk[usb_div_post], "per", "mxc-ehci.2");
 	clk_register_clkdev(clk[usb_gate], "ahb", "mxc-ehci.2");
 	clk_register_clkdev(clk[ipg], "ipg", "mxc-ehci.2");
-	clk_register_clkdev(clk[usb_div_post], "per", "fsl-usb2-udc");
-	clk_register_clkdev(clk[usb_gate], "ahb", "fsl-usb2-udc");
-	clk_register_clkdev(clk[ipg], "ipg", "fsl-usb2-udc");
+	clk_register_clkdev(clk[usb_div_post], "per", "imx-udc-mx27");
+	clk_register_clkdev(clk[usb_gate], "ahb", "imx-udc-mx27");
+	clk_register_clkdev(clk[ipg], "ipg", "imx-udc-mx27");
 	clk_register_clkdev(clk[csi_gate], NULL, "mx3-camera.0");
 	/* i.mx31 has the i.mx21 type uart */
 	clk_register_clkdev(clk[uart1_gate], "per", "imx21-uart.0");
diff --git a/arch/arm/mach-imx/clk-imx35.c b/arch/arm/mach-imx/clk-imx35.c
index 66f3d65..f0727e8 100644
--- a/arch/arm/mach-imx/clk-imx35.c
+++ b/arch/arm/mach-imx/clk-imx35.c
@@ -251,9 +251,9 @@
 	clk_register_clkdev(clk[usb_div], "per", "mxc-ehci.2");
 	clk_register_clkdev(clk[ipg], "ipg", "mxc-ehci.2");
 	clk_register_clkdev(clk[usbotg_gate], "ahb", "mxc-ehci.2");
-	clk_register_clkdev(clk[usb_div], "per", "fsl-usb2-udc");
-	clk_register_clkdev(clk[ipg], "ipg", "fsl-usb2-udc");
-	clk_register_clkdev(clk[usbotg_gate], "ahb", "fsl-usb2-udc");
+	clk_register_clkdev(clk[usb_div], "per", "imx-udc-mx27");
+	clk_register_clkdev(clk[ipg], "ipg", "imx-udc-mx27");
+	clk_register_clkdev(clk[usbotg_gate], "ahb", "imx-udc-mx27");
 	clk_register_clkdev(clk[wdog_gate], NULL, "imx2-wdt.0");
 	clk_register_clkdev(clk[nfc_div], NULL, "imx25-nand.0");
 	clk_register_clkdev(clk[csi_gate], NULL, "mx3-camera.0");
diff --git a/arch/arm/mach-imx/clk-imx51-imx53.c b/arch/arm/mach-imx/clk-imx51-imx53.c
index 579023f..fb7cb84 100644
--- a/arch/arm/mach-imx/clk-imx51-imx53.c
+++ b/arch/arm/mach-imx/clk-imx51-imx53.c
@@ -269,9 +269,9 @@
 	clk_register_clkdev(clk[usboh3_per_gate], "per", "mxc-ehci.2");
 	clk_register_clkdev(clk[usboh3_gate], "ipg", "mxc-ehci.2");
 	clk_register_clkdev(clk[usboh3_gate], "ahb", "mxc-ehci.2");
-	clk_register_clkdev(clk[usboh3_per_gate], "per", "fsl-usb2-udc");
-	clk_register_clkdev(clk[usboh3_gate], "ipg", "fsl-usb2-udc");
-	clk_register_clkdev(clk[usboh3_gate], "ahb", "fsl-usb2-udc");
+	clk_register_clkdev(clk[usboh3_per_gate], "per", "imx-udc-mx51");
+	clk_register_clkdev(clk[usboh3_gate], "ipg", "imx-udc-mx51");
+	clk_register_clkdev(clk[usboh3_gate], "ahb", "imx-udc-mx51");
 	clk_register_clkdev(clk[nfc_gate], NULL, "imx51-nand");
 	clk_register_clkdev(clk[ssi1_ipg_gate], NULL, "imx-ssi.0");
 	clk_register_clkdev(clk[ssi2_ipg_gate], NULL, "imx-ssi.1");
diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c
index 7f2c10c..c0c4e72 100644
--- a/arch/arm/mach-imx/clk-imx6q.c
+++ b/arch/arm/mach-imx/clk-imx6q.c
@@ -436,6 +436,9 @@
 	for (i = 0; i < ARRAY_SIZE(clks_init_on); i++)
 		clk_prepare_enable(clk[clks_init_on[i]]);
 
+	/* Set initial power mode */
+	imx6q_set_lpm(WAIT_CLOCKED);
+
 	np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-gpt");
 	base = of_iomap(np, 0);
 	WARN_ON(!base);
diff --git a/arch/arm/mach-imx/common.h b/arch/arm/mach-imx/common.h
index 7191ab4..fa36fb8 100644
--- a/arch/arm/mach-imx/common.h
+++ b/arch/arm/mach-imx/common.h
@@ -142,6 +142,7 @@
 extern void imx6q_clock_map_io(void);
 
 extern void imx_cpu_die(unsigned int cpu);
+extern int imx_cpu_kill(unsigned int cpu);
 
 #ifdef CONFIG_PM
 extern void imx6q_pm_init(void);
diff --git a/arch/arm/mach-imx/devices/devices-common.h b/arch/arm/mach-imx/devices/devices-common.h
index 6277baf..9bd5777 100644
--- a/arch/arm/mach-imx/devices/devices-common.h
+++ b/arch/arm/mach-imx/devices/devices-common.h
@@ -63,6 +63,7 @@
 
 #include <linux/fsl_devices.h>
 struct imx_fsl_usb2_udc_data {
+	const char *devid;
 	resource_size_t iobase;
 	resource_size_t irq;
 };
diff --git a/arch/arm/mach-imx/devices/platform-fsl-usb2-udc.c b/arch/arm/mach-imx/devices/platform-fsl-usb2-udc.c
index 37e4439..3c06bd9 100644
--- a/arch/arm/mach-imx/devices/platform-fsl-usb2-udc.c
+++ b/arch/arm/mach-imx/devices/platform-fsl-usb2-udc.c
@@ -11,35 +11,36 @@
 #include "../hardware.h"
 #include "devices-common.h"
 
-#define imx_fsl_usb2_udc_data_entry_single(soc)				\
+#define imx_fsl_usb2_udc_data_entry_single(soc, _devid)			\
 	{								\
+		.devid = _devid,					\
 		.iobase = soc ## _USB_OTG_BASE_ADDR,			\
 		.irq = soc ## _INT_USB_OTG,				\
 	}
 
 #ifdef CONFIG_SOC_IMX25
 const struct imx_fsl_usb2_udc_data imx25_fsl_usb2_udc_data __initconst =
-	imx_fsl_usb2_udc_data_entry_single(MX25);
+	imx_fsl_usb2_udc_data_entry_single(MX25, "imx-udc-mx27");
 #endif /* ifdef CONFIG_SOC_IMX25 */
 
 #ifdef CONFIG_SOC_IMX27
 const struct imx_fsl_usb2_udc_data imx27_fsl_usb2_udc_data __initconst =
-	imx_fsl_usb2_udc_data_entry_single(MX27);
+	imx_fsl_usb2_udc_data_entry_single(MX27, "imx-udc-mx27");
 #endif /* ifdef CONFIG_SOC_IMX27 */
 
 #ifdef CONFIG_SOC_IMX31
 const struct imx_fsl_usb2_udc_data imx31_fsl_usb2_udc_data __initconst =
-	imx_fsl_usb2_udc_data_entry_single(MX31);
+	imx_fsl_usb2_udc_data_entry_single(MX31, "imx-udc-mx27");
 #endif /* ifdef CONFIG_SOC_IMX31 */
 
 #ifdef CONFIG_SOC_IMX35
 const struct imx_fsl_usb2_udc_data imx35_fsl_usb2_udc_data __initconst =
-	imx_fsl_usb2_udc_data_entry_single(MX35);
+	imx_fsl_usb2_udc_data_entry_single(MX35, "imx-udc-mx27");
 #endif /* ifdef CONFIG_SOC_IMX35 */
 
 #ifdef CONFIG_SOC_IMX51
 const struct imx_fsl_usb2_udc_data imx51_fsl_usb2_udc_data __initconst =
-	imx_fsl_usb2_udc_data_entry_single(MX51);
+	imx_fsl_usb2_udc_data_entry_single(MX51, "imx-udc-mx51");
 #endif
 
 struct platform_device *__init imx_add_fsl_usb2_udc(
@@ -57,7 +58,7 @@
 			.flags = IORESOURCE_IRQ,
 		},
 	};
-	return imx_add_platform_device_dmamask("fsl-usb2-udc", -1,
+	return imx_add_platform_device_dmamask(data->devid, -1,
 			res, ARRAY_SIZE(res),
 			pdata, sizeof(*pdata), DMA_BIT_MASK(32));
 }
diff --git a/arch/arm/mach-imx/devices/platform-imx-fb.c b/arch/arm/mach-imx/devices/platform-imx-fb.c
index 10b0ed3..25a47c6 100644
--- a/arch/arm/mach-imx/devices/platform-imx-fb.c
+++ b/arch/arm/mach-imx/devices/platform-imx-fb.c
@@ -54,7 +54,7 @@
 			.flags = IORESOURCE_IRQ,
 		},
 	};
-	return imx_add_platform_device_dmamask("imx-fb", 0,
+	return imx_add_platform_device_dmamask(data->devid, 0,
 			res, ARRAY_SIZE(res),
 			pdata, sizeof(*pdata), DMA_BIT_MASK(32));
 }
diff --git a/arch/arm/mach-imx/hotplug.c b/arch/arm/mach-imx/hotplug.c
index 3dec962..7bc5fe1 100644
--- a/arch/arm/mach-imx/hotplug.c
+++ b/arch/arm/mach-imx/hotplug.c
@@ -46,9 +46,11 @@
 void imx_cpu_die(unsigned int cpu)
 {
 	cpu_enter_lowpower();
-	imx_enable_cpu(cpu, false);
+	cpu_do_idle();
+}
 
-	/* spin here until hardware takes it down */
-	while (1)
-		;
+int imx_cpu_kill(unsigned int cpu)
+{
+	imx_enable_cpu(cpu, false);
+	return 1;
 }
diff --git a/arch/arm/mach-imx/iram_alloc.c b/arch/arm/mach-imx/iram_alloc.c
index 6c80424..e05cf40 100644
--- a/arch/arm/mach-imx/iram_alloc.c
+++ b/arch/arm/mach-imx/iram_alloc.c
@@ -22,8 +22,7 @@
 #include <linux/module.h>
 #include <linux/spinlock.h>
 #include <linux/genalloc.h>
-
-#include "iram.h"
+#include "linux/platform_data/imx-iram.h"
 
 static unsigned long iram_phys_base;
 static void __iomem *iram_virt_base;
diff --git a/arch/arm/mach-imx/platsmp.c b/arch/arm/mach-imx/platsmp.c
index 3777b80..66fae88 100644
--- a/arch/arm/mach-imx/platsmp.c
+++ b/arch/arm/mach-imx/platsmp.c
@@ -92,5 +92,6 @@
 	.smp_boot_secondary	= imx_boot_secondary,
 #ifdef CONFIG_HOTPLUG_CPU
 	.cpu_die		= imx_cpu_die,
+	.cpu_kill		= imx_cpu_kill,
 #endif
 };
diff --git a/arch/arm/mach-imx/pm-imx6q.c b/arch/arm/mach-imx/pm-imx6q.c
index a17543d..ee42d20 100644
--- a/arch/arm/mach-imx/pm-imx6q.c
+++ b/arch/arm/mach-imx/pm-imx6q.c
@@ -41,6 +41,7 @@
 		cpu_suspend(0, imx6q_suspend_finish);
 		imx_smp_prepare();
 		imx_gpc_post_resume();
+		imx6q_set_lpm(WAIT_CLOCKED);
 		break;
 	default:
 		return -EINVAL;
diff --git a/arch/arm/mach-integrator/pci_v3.c b/arch/arm/mach-integrator/pci_v3.c
index be50e79..e7fcea7 100644
--- a/arch/arm/mach-integrator/pci_v3.c
+++ b/arch/arm/mach-integrator/pci_v3.c
@@ -475,13 +475,12 @@
 {
 	int ret = 0;
 
+	if (!ap_syscon_base)
+		return -EINVAL;
+
 	if (nr == 0) {
 		sys->mem_offset = PHYS_PCI_MEM_BASE;
 		ret = pci_v3_setup_resources(sys);
-		/* Remap the Integrator system controller */
-		ap_syscon_base = ioremap(INTEGRATOR_SC_BASE, 0x100);
-		if (!ap_syscon_base)
-			return -EINVAL;
 	}
 
 	return ret;
@@ -497,6 +496,13 @@
 	unsigned int temp;
 	int ret;
 
+	/* Remap the Integrator system controller */
+	ap_syscon_base = ioremap(INTEGRATOR_SC_BASE, 0x100);
+	if (!ap_syscon_base) {
+		pr_err("unable to remap the AP syscon for PCIv3\n");
+		return;
+	}
+
 	pcibios_min_mem = 0x00100000;
 
 	/*
diff --git a/arch/arm/mach-kirkwood/board-ns2.c b/arch/arm/mach-kirkwood/board-ns2.c
index 8821720..f4632a8 100644
--- a/arch/arm/mach-kirkwood/board-ns2.c
+++ b/arch/arm/mach-kirkwood/board-ns2.c
@@ -18,47 +18,11 @@
 #include <linux/gpio.h>
 #include <linux/of.h>
 #include "common.h"
-#include "mpp.h"
 
 static struct mv643xx_eth_platform_data ns2_ge00_data = {
 	.phy_addr	= MV643XX_ETH_PHY_ADDR(8),
 };
 
-static unsigned int ns2_mpp_config[] __initdata = {
-	MPP0_SPI_SCn,
-	MPP1_SPI_MOSI,
-	MPP2_SPI_SCK,
-	MPP3_SPI_MISO,
-	MPP4_NF_IO6,
-	MPP5_NF_IO7,
-	MPP6_SYSRST_OUTn,
-	MPP7_GPO,		/* Fan speed (bit 1) */
-	MPP8_TW0_SDA,
-	MPP9_TW0_SCK,
-	MPP10_UART0_TXD,
-	MPP11_UART0_RXD,
-	MPP12_GPO,		/* Red led */
-	MPP14_GPIO,		/* USB fuse */
-	MPP16_GPIO,		/* SATA 0 power */
-	MPP17_GPIO,		/* SATA 1 power */
-	MPP18_NF_IO0,
-	MPP19_NF_IO1,
-	MPP20_SATA1_ACTn,
-	MPP21_SATA0_ACTn,
-	MPP22_GPIO,		/* Fan speed (bit 0) */
-	MPP23_GPIO,		/* Fan power */
-	MPP24_GPIO,		/* USB mode select */
-	MPP25_GPIO,		/* Fan rotation fail */
-	MPP26_GPIO,		/* USB device vbus */
-	MPP28_GPIO,		/* USB enable host vbus */
-	MPP29_GPIO,		/* Blue led (slow register) */
-	MPP30_GPIO,		/* Blue led (command register) */
-	MPP31_GPIO,		/* Board power off */
-	MPP32_GPIO,		/* Power button (0 = Released, 1 = Pushed) */
-	MPP33_GPO,		/* Fan speed (bit 2) */
-	0
-};
-
 #define NS2_GPIO_POWER_OFF	31
 
 static void ns2_power_off(void)
@@ -71,8 +35,6 @@
 	/*
 	 * Basic setup. Needs to be called early.
 	 */
-	kirkwood_mpp_conf(ns2_mpp_config);
-
 	if (of_machine_is_compatible("lacie,netspace_lite_v2") ||
 	    of_machine_is_compatible("lacie,netspace_mini_v2"))
 		ns2_ge00_data.phy_addr = MV643XX_ETH_PHY_ADDR(0);
diff --git a/arch/arm/mach-mvebu/Makefile b/arch/arm/mach-mvebu/Makefile
index 5dcb369..99df4df 100644
--- a/arch/arm/mach-mvebu/Makefile
+++ b/arch/arm/mach-mvebu/Makefile
@@ -1,6 +1,8 @@
 ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include \
 	-I$(srctree)/arch/arm/plat-orion/include
 
+AFLAGS_coherency_ll.o		:= -Wa,-march=armv7-a
+
 obj-y += system-controller.o
 obj-$(CONFIG_MACH_ARMADA_370_XP) += armada-370-xp.o irq-armada-370-xp.o addr-map.o coherency.o coherency_ll.o pmsu.o
 obj-$(CONFIG_SMP)                += platsmp.o headsmp.o
diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c
index 5c8e9ce..769c1fe 100644
--- a/arch/arm/mach-omap2/board-omap4panda.c
+++ b/arch/arm/mach-omap2/board-omap4panda.c
@@ -397,6 +397,12 @@
 		  OMAP_PULL_ENA),
 	OMAP4_MUX(ABE_MCBSP1_FSX, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 
+	/* UART2 - BT/FM/GPS shared transport */
+	OMAP4_MUX(UART2_CTS,	OMAP_PIN_INPUT	| OMAP_MUX_MODE0),
+	OMAP4_MUX(UART2_RTS,	OMAP_PIN_OUTPUT	| OMAP_MUX_MODE0),
+	OMAP4_MUX(UART2_RX,	OMAP_PIN_INPUT	| OMAP_MUX_MODE0),
+	OMAP4_MUX(UART2_TX,	OMAP_PIN_OUTPUT	| OMAP_MUX_MODE0),
+
 	{ .reg_offset = OMAP_MUX_TERMINATOR },
 };
 
diff --git a/arch/arm/mach-omap2/cclock2420_data.c b/arch/arm/mach-omap2/cclock2420_data.c
index 7e5febe..ab7e952 100644
--- a/arch/arm/mach-omap2/cclock2420_data.c
+++ b/arch/arm/mach-omap2/cclock2420_data.c
@@ -1935,6 +1935,8 @@
 			omap2_init_clk_hw_omap_clocks(c->lk.clk);
 	}
 
+	omap2xxx_clkt_vps_late_init();
+
 	omap2_clk_disable_autoidle_all();
 
 	omap2_clk_enable_init_clocks(enable_init_clks,
diff --git a/arch/arm/mach-omap2/cclock2430_data.c b/arch/arm/mach-omap2/cclock2430_data.c
index eda079b..eb3dab6 100644
--- a/arch/arm/mach-omap2/cclock2430_data.c
+++ b/arch/arm/mach-omap2/cclock2430_data.c
@@ -2050,6 +2050,8 @@
 			omap2_init_clk_hw_omap_clocks(c->lk.clk);
 	}
 
+	omap2xxx_clkt_vps_late_init();
+
 	omap2_clk_disable_autoidle_all();
 
 	omap2_clk_enable_init_clocks(enable_init_clks,
diff --git a/arch/arm/mach-omap2/cclock44xx_data.c b/arch/arm/mach-omap2/cclock44xx_data.c
index 5789a5e..a2cc046 100644
--- a/arch/arm/mach-omap2/cclock44xx_data.c
+++ b/arch/arm/mach-omap2/cclock44xx_data.c
@@ -2026,14 +2026,13 @@
 	 * On OMAP4460 the ABE DPLL fails to turn on if in idle low-power
 	 * state when turning the ABE clock domain. Workaround this by
 	 * locking the ABE DPLL on boot.
+	 * Lock the ABE DPLL in any case to avoid issues with audio.
 	 */
-	if (cpu_is_omap446x()) {
-		rc = clk_set_parent(&abe_dpll_refclk_mux_ck, &sys_32k_ck);
-		if (!rc)
-			rc = clk_set_rate(&dpll_abe_ck, OMAP4_DPLL_ABE_DEFFREQ);
-		if (rc)
-			pr_err("%s: failed to configure ABE DPLL!\n", __func__);
-	}
+	rc = clk_set_parent(&abe_dpll_refclk_mux_ck, &sys_32k_ck);
+	if (!rc)
+		rc = clk_set_rate(&dpll_abe_ck, OMAP4_DPLL_ABE_DEFFREQ);
+	if (rc)
+		pr_err("%s: failed to configure ABE DPLL!\n", __func__);
 
 	return 0;
 }
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 5e304d0..626f3ea 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -639,7 +639,7 @@
 	return cnt;
 }
 
-static void omap_init_ocp2scp(void)
+static void __init omap_init_ocp2scp(void)
 {
 	struct omap_hwmod	*oh;
 	struct platform_device	*pdev;
diff --git a/arch/arm/mach-omap2/drm.c b/arch/arm/mach-omap2/drm.c
index 4c7566c..2a2cfa8 100644
--- a/arch/arm/mach-omap2/drm.c
+++ b/arch/arm/mach-omap2/drm.c
@@ -25,6 +25,7 @@
 #include <linux/dma-mapping.h>
 #include <linux/platform_data/omap_drm.h>
 
+#include "soc.h"
 #include "omap_device.h"
 #include "omap_hwmod.h"
 
@@ -56,7 +57,7 @@
 			oh->name);
 	}
 
-	platform_data.omaprev = GET_OMAP_REVISION();
+	platform_data.omaprev = GET_OMAP_TYPE;
 
 	return platform_device_register(&omap_drm_device);
 
diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
index 129d508..793f54a 100644
--- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
@@ -2132,8 +2132,12 @@
 	 * currently reset very early during boot, before I2C is
 	 * available, so it doesn't seem that we have any choice in
 	 * the kernel other than to avoid resetting it.
+	 *
+	 * Also, McPDM needs to be configured to NO_IDLE mode when it
+	 * is in used otherwise vital clocks will be gated which
+	 * results 'slow motion' audio playback.
 	 */
-	.flags		= HWMOD_EXT_OPT_MAIN_CLK,
+	.flags		= HWMOD_EXT_OPT_MAIN_CLK | HWMOD_SWSUP_SIDLE,
 	.mpu_irqs	= omap44xx_mcpdm_irqs,
 	.sdma_reqs	= omap44xx_mcpdm_sdma_reqs,
 	.main_clk	= "mcpdm_fck",
diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
index 691aa67..b8ad6e6 100644
--- a/arch/arm/mach-omap2/timer.c
+++ b/arch/arm/mach-omap2/timer.c
@@ -165,15 +165,11 @@
 	struct device_node *np;
 
 	for_each_matching_node(np, match) {
-		if (!of_device_is_available(np)) {
-			of_node_put(np);
+		if (!of_device_is_available(np))
 			continue;
-		}
 
-		if (property && !of_get_property(np, property, NULL)) {
-			of_node_put(np);
+		if (property && !of_get_property(np, property, NULL))
 			continue;
-		}
 
 		of_add_property(np, &device_disabled);
 		return np;
diff --git a/arch/arm/mach-s3c64xx/mach-crag6410-module.c b/arch/arm/mach-s3c64xx/mach-crag6410-module.c
index 553059f..755c0bb 100644
--- a/arch/arm/mach-s3c64xx/mach-crag6410-module.c
+++ b/arch/arm/mach-s3c64xx/mach-crag6410-module.c
@@ -47,7 +47,7 @@
 		.bus_num	= 0,
 		.chip_select	= 0,
 		.mode		= SPI_MODE_0,
-		.irq		= S3C_EINT(5),
+		.irq		= S3C_EINT(4),
 		.controller_data = &wm0010_spi_csinfo,
 		.platform_data = &wm0010_pdata,
 	},
diff --git a/arch/arm/mach-s3c64xx/pm.c b/arch/arm/mach-s3c64xx/pm.c
index 7feb426..d2e1a16 100644
--- a/arch/arm/mach-s3c64xx/pm.c
+++ b/arch/arm/mach-s3c64xx/pm.c
@@ -338,8 +338,10 @@
 	for (i = 0; i < ARRAY_SIZE(s3c64xx_pm_domains); i++)
 		pm_genpd_init(&s3c64xx_pm_domains[i]->pd, NULL, false);
 
+#ifdef CONFIG_S3C_DEV_FB
 	if (dev_get_platdata(&s3c_device_fb.dev))
 		pm_genpd_add_device(&s3c64xx_pm_f.pd, &s3c_device_fb.dev);
+#endif
 
 	return 0;
 }
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 6b2fb87..076c26d 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -774,25 +774,27 @@
 	size_t size, enum dma_data_direction dir,
 	void (*op)(const void *, size_t, int))
 {
+	unsigned long pfn;
+	size_t left = size;
+
+	pfn = page_to_pfn(page) + offset / PAGE_SIZE;
+	offset %= PAGE_SIZE;
+
 	/*
 	 * A single sg entry may refer to multiple physically contiguous
 	 * pages.  But we still need to process highmem pages individually.
 	 * If highmem is not configured then the bulk of this loop gets
 	 * optimized out.
 	 */
-	size_t left = size;
 	do {
 		size_t len = left;
 		void *vaddr;
 
+		page = pfn_to_page(pfn);
+
 		if (PageHighMem(page)) {
-			if (len + offset > PAGE_SIZE) {
-				if (offset >= PAGE_SIZE) {
-					page += offset / PAGE_SIZE;
-					offset %= PAGE_SIZE;
-				}
+			if (len + offset > PAGE_SIZE)
 				len = PAGE_SIZE - offset;
-			}
 			vaddr = kmap_high_get(page);
 			if (vaddr) {
 				vaddr += offset;
@@ -809,7 +811,7 @@
 			op(vaddr, len, dir);
 		}
 		offset = 0;
-		page++;
+		pfn++;
 		left -= len;
 	} while (left);
 }
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 9f06102..ce328c7 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -283,7 +283,7 @@
 	},
 	[MT_MEMORY_SO] = {
 		.prot_pte  = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY |
-				L_PTE_MT_UNCACHED,
+				L_PTE_MT_UNCACHED | L_PTE_XN,
 		.prot_l1   = PMD_TYPE_TABLE,
 		.prot_sect = PMD_TYPE_SECT | PMD_SECT_AP_WRITE | PMD_SECT_S |
 				PMD_SECT_UNCACHED | PMD_SECT_XN,
diff --git a/arch/arm/plat-versatile/headsmp.S b/arch/arm/plat-versatile/headsmp.S
index dd703ef..b178d44 100644
--- a/arch/arm/plat-versatile/headsmp.S
+++ b/arch/arm/plat-versatile/headsmp.S
@@ -20,7 +20,7 @@
  */
 ENTRY(versatile_secondary_startup)
 	mrc	p15, 0, r0, c0, c0, 5
-	and	r0, r0, #15
+	bic	r0, #0xff000000
 	adr	r4, 1f
 	ldmia	r4, {r5, r6}
 	sub	r4, r4, r5
diff --git a/arch/arm/vfp/entry.S b/arch/arm/vfp/entry.S
index cc926c9..323ce1a 100644
--- a/arch/arm/vfp/entry.S
+++ b/arch/arm/vfp/entry.S
@@ -22,7 +22,7 @@
 @  IRQs disabled.
 @
 ENTRY(do_vfp)
-#ifdef CONFIG_PREEMPT
+#ifdef CONFIG_PREEMPT_COUNT
 	ldr	r4, [r10, #TI_PREEMPT]	@ get preempt count
 	add	r11, r4, #1		@ increment it
 	str	r11, [r10, #TI_PREEMPT]
@@ -35,7 +35,7 @@
 ENDPROC(do_vfp)
 
 ENTRY(vfp_null_entry)
-#ifdef CONFIG_PREEMPT
+#ifdef CONFIG_PREEMPT_COUNT
 	get_thread_info	r10
 	ldr	r4, [r10, #TI_PREEMPT]	@ get preempt count
 	sub	r11, r4, #1		@ decrement it
@@ -53,7 +53,7 @@
 
 	__INIT
 ENTRY(vfp_testing_entry)
-#ifdef CONFIG_PREEMPT
+#ifdef CONFIG_PREEMPT_COUNT
 	get_thread_info	r10
 	ldr	r4, [r10, #TI_PREEMPT]	@ get preempt count
 	sub	r11, r4, #1		@ decrement it
diff --git a/arch/arm/vfp/vfphw.S b/arch/arm/vfp/vfphw.S
index ea0349f..dd5e56f 100644
--- a/arch/arm/vfp/vfphw.S
+++ b/arch/arm/vfp/vfphw.S
@@ -168,7 +168,7 @@
 					@ else it's one 32-bit instruction, so
 					@ always subtract 4 from the following
 					@ instruction address.
-#ifdef CONFIG_PREEMPT
+#ifdef CONFIG_PREEMPT_COUNT
 	get_thread_info	r10
 	ldr	r4, [r10, #TI_PREEMPT]	@ get preempt count
 	sub	r11, r4, #1		@ decrement it
@@ -192,7 +192,7 @@
 	@ not recognised by VFP
 
 	DBGSTR	"not VFP"
-#ifdef CONFIG_PREEMPT
+#ifdef CONFIG_PREEMPT_COUNT
 	get_thread_info	r10
 	ldr	r4, [r10, #TI_PREEMPT]	@ get preempt count
 	sub	r11, r4, #1		@ decrement it
diff --git a/arch/arm64/include/asm/elf.h b/arch/arm64/include/asm/elf.h
index 07fea29..fe32c0e 100644
--- a/arch/arm64/include/asm/elf.h
+++ b/arch/arm64/include/asm/elf.h
@@ -26,7 +26,10 @@
 
 typedef unsigned long elf_greg_t;
 
-#define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t))
+#define ELF_NGREG (sizeof(struct user_pt_regs) / sizeof(elf_greg_t))
+#define ELF_CORE_COPY_REGS(dest, regs)	\
+	*(struct user_pt_regs *)&(dest) = (regs)->user_regs;
+
 typedef elf_greg_t elf_gregset_t[ELF_NGREG];
 typedef struct user_fpsimd_state elf_fpregset_t;
 
diff --git a/arch/ia64/kernel/ptrace.c b/arch/ia64/kernel/ptrace.c
index 4265ff6..b7a5fff 100644
--- a/arch/ia64/kernel/ptrace.c
+++ b/arch/ia64/kernel/ptrace.c
@@ -672,33 +672,6 @@
 	read_unlock(&tasklist_lock);
 }
 
-static inline int
-thread_matches (struct task_struct *thread, unsigned long addr)
-{
-	unsigned long thread_rbs_end;
-	struct pt_regs *thread_regs;
-
-	if (ptrace_check_attach(thread, 0) < 0)
-		/*
-		 * If the thread is not in an attachable state, we'll
-		 * ignore it.  The net effect is that if ADDR happens
-		 * to overlap with the portion of the thread's
-		 * register backing store that is currently residing
-		 * on the thread's kernel stack, then ptrace() may end
-		 * up accessing a stale value.  But if the thread
-		 * isn't stopped, that's a problem anyhow, so we're
-		 * doing as well as we can...
-		 */
-		return 0;
-
-	thread_regs = task_pt_regs(thread);
-	thread_rbs_end = ia64_get_user_rbs_end(thread, thread_regs, NULL);
-	if (!on_kernel_rbs(addr, thread_regs->ar_bspstore, thread_rbs_end))
-		return 0;
-
-	return 1;	/* looks like we've got a winner */
-}
-
 /*
  * Write f32-f127 back to task->thread.fph if it has been modified.
  */
diff --git a/arch/m68k/include/asm/dma-mapping.h b/arch/m68k/include/asm/dma-mapping.h
index 17f7a45..3e6b844 100644
--- a/arch/m68k/include/asm/dma-mapping.h
+++ b/arch/m68k/include/asm/dma-mapping.h
@@ -21,6 +21,22 @@
 extern void dma_free_coherent(struct device *, size_t,
 			      void *, dma_addr_t);
 
+static inline void *dma_alloc_attrs(struct device *dev, size_t size,
+				    dma_addr_t *dma_handle, gfp_t flag,
+				    struct dma_attrs *attrs)
+{
+	/* attrs is not supported and ignored */
+	return dma_alloc_coherent(dev, size, dma_handle, flag);
+}
+
+static inline void dma_free_attrs(struct device *dev, size_t size,
+				  void *cpu_addr, dma_addr_t dma_handle,
+				  struct dma_attrs *attrs)
+{
+	/* attrs is not supported and ignored */
+	dma_free_coherent(dev, size, cpu_addr, dma_handle);
+}
+
 static inline void *dma_alloc_noncoherent(struct device *dev, size_t size,
 					  dma_addr_t *handle, gfp_t flag)
 {
diff --git a/arch/m68k/include/asm/pgtable_no.h b/arch/m68k/include/asm/pgtable_no.h
index bf86b29..037028f 100644
--- a/arch/m68k/include/asm/pgtable_no.h
+++ b/arch/m68k/include/asm/pgtable_no.h
@@ -64,6 +64,8 @@
  */
 #define	VMALLOC_START	0
 #define	VMALLOC_END	0xffffffff
+#define	KMAP_START	0
+#define	KMAP_END	0xffffffff
 
 #include <asm-generic/pgtable.h>
 
diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h
index 847994c..f9337f6 100644
--- a/arch/m68k/include/asm/unistd.h
+++ b/arch/m68k/include/asm/unistd.h
@@ -4,7 +4,7 @@
 #include <uapi/asm/unistd.h>
 
 
-#define NR_syscalls		348
+#define NR_syscalls		349
 
 #define __ARCH_WANT_OLD_READDIR
 #define __ARCH_WANT_OLD_STAT
diff --git a/arch/m68k/include/uapi/asm/unistd.h b/arch/m68k/include/uapi/asm/unistd.h
index b94bfbf..625f321 100644
--- a/arch/m68k/include/uapi/asm/unistd.h
+++ b/arch/m68k/include/uapi/asm/unistd.h
@@ -353,5 +353,6 @@
 #define __NR_process_vm_readv	345
 #define __NR_process_vm_writev	346
 #define __NR_kcmp		347
+#define __NR_finit_module	348
 
 #endif /* _UAPI_ASM_M68K_UNISTD_H_ */
diff --git a/arch/m68k/kernel/syscalltable.S b/arch/m68k/kernel/syscalltable.S
index c30da5b..3f04ea0 100644
--- a/arch/m68k/kernel/syscalltable.S
+++ b/arch/m68k/kernel/syscalltable.S
@@ -368,4 +368,5 @@
 	.long sys_process_vm_readv	/* 345 */
 	.long sys_process_vm_writev
 	.long sys_kcmp
+	.long sys_finit_module
 
diff --git a/arch/m68k/mm/init.c b/arch/m68k/mm/init.c
index f0e05bc..afd8106f 100644
--- a/arch/m68k/mm/init.c
+++ b/arch/m68k/mm/init.c
@@ -39,6 +39,11 @@
 void *empty_zero_page;
 EXPORT_SYMBOL(empty_zero_page);
 
+#if !defined(CONFIG_SUN3) && !defined(CONFIG_COLDFIRE)
+extern void init_pointer_table(unsigned long ptable);
+extern pmd_t *zero_pgtable;
+#endif
+
 #ifdef CONFIG_MMU
 
 pg_data_t pg_data_map[MAX_NUMNODES];
@@ -69,9 +74,6 @@
 	node_set_online(node);
 }
 
-extern void init_pointer_table(unsigned long ptable);
-extern pmd_t *zero_pgtable;
-
 #else /* CONFIG_MMU */
 
 /*
diff --git a/arch/mips/bcm47xx/Kconfig b/arch/mips/bcm47xx/Kconfig
index d7af29f..ba61192 100644
--- a/arch/mips/bcm47xx/Kconfig
+++ b/arch/mips/bcm47xx/Kconfig
@@ -8,8 +8,10 @@
 	select SSB_DRIVER_EXTIF
 	select SSB_EMBEDDED
 	select SSB_B43_PCI_BRIDGE if PCI
+	select SSB_DRIVER_PCICORE if PCI
 	select SSB_PCICORE_HOSTMODE if PCI
 	select SSB_DRIVER_GPIO
+	select GPIOLIB
 	default y
 	help
 	 Add support for old Broadcom BCM47xx boards with Sonics Silicon Backplane support.
@@ -25,6 +27,7 @@
 	select BCMA_HOST_PCI if PCI
 	select BCMA_DRIVER_PCI_HOSTMODE if PCI
 	select BCMA_DRIVER_GPIO
+	select GPIOLIB
 	default y
 	help
 	 Add support for new Broadcom BCM47xx boards with Broadcom specific Advanced Microcontroller Bus.
diff --git a/arch/mips/cavium-octeon/executive/cvmx-l2c.c b/arch/mips/cavium-octeon/executive/cvmx-l2c.c
index 9f883bf..33b7214 100644
--- a/arch/mips/cavium-octeon/executive/cvmx-l2c.c
+++ b/arch/mips/cavium-octeon/executive/cvmx-l2c.c
@@ -30,6 +30,7 @@
  * measurement, and debugging facilities.
  */
 
+#include <linux/compiler.h>
 #include <linux/irqflags.h>
 #include <asm/octeon/cvmx.h>
 #include <asm/octeon/cvmx-l2c.h>
@@ -285,22 +286,22 @@
  */
 static void fault_in(uint64_t addr, int len)
 {
-	volatile char *ptr;
-	volatile char dummy;
+	char *ptr;
+
 	/*
 	 * Adjust addr and length so we get all cache lines even for
 	 * small ranges spanning two cache lines.
 	 */
 	len += addr & CVMX_CACHE_LINE_MASK;
 	addr &= ~CVMX_CACHE_LINE_MASK;
-	ptr = (volatile char *)cvmx_phys_to_ptr(addr);
+	ptr = cvmx_phys_to_ptr(addr);
 	/*
 	 * Invalidate L1 cache to make sure all loads result in data
 	 * being in L2.
 	 */
 	CVMX_DCACHE_INVALIDATE;
 	while (len > 0) {
-		dummy += *ptr;
+		ACCESS_ONCE(*ptr);
 		len -= CVMX_CACHE_LINE_SIZE;
 		ptr += CVMX_CACHE_LINE_SIZE;
 	}
diff --git a/arch/mips/include/asm/dsp.h b/arch/mips/include/asm/dsp.h
index e9bfc08..7bfad05 100644
--- a/arch/mips/include/asm/dsp.h
+++ b/arch/mips/include/asm/dsp.h
@@ -16,7 +16,7 @@
 #include <asm/mipsregs.h>
 
 #define DSP_DEFAULT	0x00000000
-#define DSP_MASK	0x3ff
+#define DSP_MASK	0x3f
 
 #define __enable_dsp_hazard()						\
 do {									\
diff --git a/arch/mips/include/asm/inst.h b/arch/mips/include/asm/inst.h
index ab84064..33c34adb 100644
--- a/arch/mips/include/asm/inst.h
+++ b/arch/mips/include/asm/inst.h
@@ -353,6 +353,7 @@
 	struct u_format u_format;
 	struct c_format c_format;
 	struct r_format r_format;
+	struct p_format p_format;
 	struct f_format f_format;
 	struct ma_format ma_format;
 	struct b_format b_format;
diff --git a/arch/mips/include/asm/mach-pnx833x/war.h b/arch/mips/include/asm/mach-pnx833x/war.h
index edaa06d..e410df4 100644
--- a/arch/mips/include/asm/mach-pnx833x/war.h
+++ b/arch/mips/include/asm/mach-pnx833x/war.h
@@ -21,4 +21,4 @@
 #define R10000_LLSC_WAR			0
 #define MIPS34K_MISSED_ITLB_WAR		0
 
-#endif /* __ASM_MIPS_MACH_PNX8550_WAR_H */
+#endif /* __ASM_MIPS_MACH_PNX833X_WAR_H */
diff --git a/arch/mips/include/asm/pgtable-64.h b/arch/mips/include/asm/pgtable-64.h
index c631910..013d5f7 100644
--- a/arch/mips/include/asm/pgtable-64.h
+++ b/arch/mips/include/asm/pgtable-64.h
@@ -230,6 +230,7 @@
 #else
 #define pte_pfn(x)		((unsigned long)((x).pte >> _PFN_SHIFT))
 #define pfn_pte(pfn, prot)	__pte(((pfn) << _PFN_SHIFT) | pgprot_val(prot))
+#define pfn_pmd(pfn, prot)	__pmd(((pfn) << _PFN_SHIFT) | pgprot_val(prot))
 #endif
 
 #define __pgd_offset(address)	pgd_index(address)
diff --git a/arch/mips/include/uapi/asm/Kbuild b/arch/mips/include/uapi/asm/Kbuild
index a1a0452..77d4fb3 100644
--- a/arch/mips/include/uapi/asm/Kbuild
+++ b/arch/mips/include/uapi/asm/Kbuild
@@ -3,6 +3,7 @@
 
 header-y += auxvec.h
 header-y += bitsperlong.h
+header-y += break.h
 header-y += byteorder.h
 header-y += cachectl.h
 header-y += errno.h
diff --git a/arch/mips/include/asm/break.h b/arch/mips/include/uapi/asm/break.h
similarity index 100%
rename from arch/mips/include/asm/break.h
rename to arch/mips/include/uapi/asm/break.h
diff --git a/arch/mips/kernel/ftrace.c b/arch/mips/kernel/ftrace.c
index 6a2d758..83fa146 100644
--- a/arch/mips/kernel/ftrace.c
+++ b/arch/mips/kernel/ftrace.c
@@ -25,6 +25,12 @@
 #define MCOUNT_OFFSET_INSNS 4
 #endif
 
+/* Arch override because MIPS doesn't need to run this from stop_machine() */
+void arch_ftrace_update_code(int command)
+{
+	ftrace_modify_all_code(command);
+}
+
 /*
  * Check if the address is in kernel space
  *
@@ -89,6 +95,24 @@
 	return 0;
 }
 
+#ifndef CONFIG_64BIT
+static int ftrace_modify_code_2(unsigned long ip, unsigned int new_code1,
+				unsigned int new_code2)
+{
+	int faulted;
+
+	safe_store_code(new_code1, ip, faulted);
+	if (unlikely(faulted))
+		return -EFAULT;
+	ip += 4;
+	safe_store_code(new_code2, ip, faulted);
+	if (unlikely(faulted))
+		return -EFAULT;
+	flush_icache_range(ip, ip + 8); /* original ip + 12 */
+	return 0;
+}
+#endif
+
 /*
  * The details about the calling site of mcount on MIPS
  *
@@ -131,8 +155,18 @@
 	 * needed.
 	 */
 	new = in_kernel_space(ip) ? INSN_NOP : INSN_B_1F;
-
+#ifdef CONFIG_64BIT
 	return ftrace_modify_code(ip, new);
+#else
+	/*
+	 * On 32 bit MIPS platforms, gcc adds a stack adjust
+	 * instruction in the delay slot after the branch to
+	 * mcount and expects mcount to restore the sp on return.
+	 * This is based on a legacy API and does nothing but
+	 * waste instructions so it's being removed at runtime.
+	 */
+	return ftrace_modify_code_2(ip, new, INSN_NOP);
+#endif
 }
 
 int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr)
diff --git a/arch/mips/kernel/mcount.S b/arch/mips/kernel/mcount.S
index 4c968e7..1658676 100644
--- a/arch/mips/kernel/mcount.S
+++ b/arch/mips/kernel/mcount.S
@@ -46,9 +46,8 @@
 	PTR_L	a5, PT_R9(sp)
 	PTR_L	a6, PT_R10(sp)
 	PTR_L	a7, PT_R11(sp)
-	PTR_ADDIU	sp, PT_SIZE
 #else
-	PTR_ADDIU	sp, (PT_SIZE + 8)
+	PTR_ADDIU	sp, PT_SIZE
 #endif
 .endm
 
@@ -69,7 +68,9 @@
 	.globl _mcount
 _mcount:
 	b	ftrace_stub
-	 nop
+	addiu sp,sp,8
+
+	/* When tracing is activated, it calls ftrace_caller+8 (aka here) */
 	lw	t1, function_trace_stop
 	bnez	t1, ftrace_stub
 	 nop
diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c
index eec690a..147cec1 100644
--- a/arch/mips/kernel/vpe.c
+++ b/arch/mips/kernel/vpe.c
@@ -705,7 +705,7 @@
 
 			printk(KERN_WARNING
 			       "VPE loader: TC %d is already in use.\n",
-                               t->index);
+			       v->tc->index);
 			return -ENOEXEC;
 		}
 	} else {
diff --git a/arch/mips/lantiq/irq.c b/arch/mips/lantiq/irq.c
index f36acd1..a7935bf 100644
--- a/arch/mips/lantiq/irq.c
+++ b/arch/mips/lantiq/irq.c
@@ -408,7 +408,7 @@
 #endif
 
 	/* tell oprofile which irq to use */
-	cp0_perfcount_irq = LTQ_PERF_IRQ;
+	cp0_perfcount_irq = irq_create_mapping(ltq_domain, LTQ_PERF_IRQ);
 
 	/*
 	 * if the timer irq is not one of the mips irqs we need to
diff --git a/arch/mips/lib/delay.c b/arch/mips/lib/delay.c
index dc81ca8..288f795 100644
--- a/arch/mips/lib/delay.c
+++ b/arch/mips/lib/delay.c
@@ -21,7 +21,7 @@
 	"	.set	noreorder				\n"
 	"	.align	3					\n"
 	"1:	bnez	%0, 1b					\n"
-#if __SIZEOF_LONG__ == 4
+#if BITS_PER_LONG == 32
 	"	subu	%0, 1					\n"
 #else
 	"	dsubu	%0, 1					\n"
diff --git a/arch/mips/mm/ioremap.c b/arch/mips/mm/ioremap.c
index 7657fd2..cacfd31 100644
--- a/arch/mips/mm/ioremap.c
+++ b/arch/mips/mm/ioremap.c
@@ -190,9 +190,3 @@
 
 EXPORT_SYMBOL(__ioremap);
 EXPORT_SYMBOL(__iounmap);
-
-int __virt_addr_valid(const volatile void *kaddr)
-{
-	return pfn_valid(PFN_DOWN(virt_to_phys(kaddr)));
-}
-EXPORT_SYMBOL_GPL(__virt_addr_valid);
diff --git a/arch/mips/mm/mmap.c b/arch/mips/mm/mmap.c
index d9be754..7e5fe27 100644
--- a/arch/mips/mm/mmap.c
+++ b/arch/mips/mm/mmap.c
@@ -192,3 +192,9 @@
 
 	return ret;
 }
+
+int __virt_addr_valid(const volatile void *kaddr)
+{
+	return pfn_valid(PFN_DOWN(virt_to_phys(kaddr)));
+}
+EXPORT_SYMBOL_GPL(__virt_addr_valid);
diff --git a/arch/mips/netlogic/xlr/setup.c b/arch/mips/netlogic/xlr/setup.c
index 4e7f49d..c5ce699 100644
--- a/arch/mips/netlogic/xlr/setup.c
+++ b/arch/mips/netlogic/xlr/setup.c
@@ -193,8 +193,11 @@
 
 void __init prom_init(void)
 {
-	int i, *argv, *envp;		/* passed as 32 bit ptrs */
+	int *argv, *envp;		/* passed as 32 bit ptrs */
 	struct psb_info *prom_infop;
+#ifdef CONFIG_SMP
+	int i;
+#endif
 
 	/* truncate to 32 bit and sign extend all args */
 	argv = (int *)(long)(int)fw_arg1;
diff --git a/arch/mips/pci/pci-ar71xx.c b/arch/mips/pci/pci-ar71xx.c
index 1552522..6eaa4f2 100644
--- a/arch/mips/pci/pci-ar71xx.c
+++ b/arch/mips/pci/pci-ar71xx.c
@@ -24,7 +24,7 @@
 #include <asm/mach-ath79/pci.h>
 
 #define AR71XX_PCI_MEM_BASE	0x10000000
-#define AR71XX_PCI_MEM_SIZE	0x08000000
+#define AR71XX_PCI_MEM_SIZE	0x07000000
 
 #define AR71XX_PCI_WIN0_OFFS		0x10000000
 #define AR71XX_PCI_WIN1_OFFS		0x11000000
diff --git a/arch/mips/pci/pci-ar724x.c b/arch/mips/pci/pci-ar724x.c
index 86d77a6..c11c75b 100644
--- a/arch/mips/pci/pci-ar724x.c
+++ b/arch/mips/pci/pci-ar724x.c
@@ -21,7 +21,7 @@
 #define AR724X_PCI_CTRL_SIZE	0x100
 
 #define AR724X_PCI_MEM_BASE	0x10000000
-#define AR724X_PCI_MEM_SIZE	0x08000000
+#define AR724X_PCI_MEM_SIZE	0x04000000
 
 #define AR724X_PCI_REG_RESET		0x18
 #define AR724X_PCI_REG_INT_STATUS	0x4c
diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S
index bfb4424..eb7850b 100644
--- a/arch/parisc/kernel/entry.S
+++ b/arch/parisc/kernel/entry.S
@@ -1865,7 +1865,7 @@
 
 	/* Are we being ptraced? */
 	ldw	TASK_FLAGS(%r1),%r19
-	ldi	(_TIF_SINGLESTEP|_TIF_BLOCKSTEP),%r2
+	ldi	_TIF_SYSCALL_TRACE_MASK,%r2
 	and,COND(=)	%r19,%r2,%r0
 	b,n	syscall_restore_rfi
 
@@ -1978,15 +1978,23 @@
 	/* sr2 should be set to zero for userspace syscalls */
 	STREG	%r0,TASK_PT_SR2(%r1)
 
-pt_regs_ok:
 	LDREG	TASK_PT_GR31(%r1),%r2
-	depi	3,31,2,%r2			   /* ensure return to user mode. */
-	STREG	%r2,TASK_PT_IAOQ0(%r1)
+	depi	3,31,2,%r2		   /* ensure return to user mode. */
+	STREG   %r2,TASK_PT_IAOQ0(%r1)
 	ldo	4(%r2),%r2
 	STREG	%r2,TASK_PT_IAOQ1(%r1)
-	copy	%r25,%r16
 	b	intr_restore
-	nop
+	copy	%r25,%r16
+
+pt_regs_ok:
+	LDREG	TASK_PT_IAOQ0(%r1),%r2
+	depi	3,31,2,%r2		   /* ensure return to user mode. */
+	STREG	%r2,TASK_PT_IAOQ0(%r1)
+	LDREG	TASK_PT_IAOQ1(%r1),%r2
+	depi	3,31,2,%r2
+	STREG	%r2,TASK_PT_IAOQ1(%r1)
+	b	intr_restore
+	copy	%r25,%r16
 
 	.import schedule,code
 syscall_do_resched:
diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c
index c0b1aff..0299d63 100644
--- a/arch/parisc/kernel/irq.c
+++ b/arch/parisc/kernel/irq.c
@@ -410,11 +410,13 @@
 {
 	local_irq_disable();	/* PARANOID - should already be disabled */
 	mtctl(~0UL, 23);	/* EIRR : clear all pending external intr */
-	claim_cpu_irqs();
 #ifdef CONFIG_SMP
-	if (!cpu_eiem)
+	if (!cpu_eiem) {
+		claim_cpu_irqs();
 		cpu_eiem = EIEM_MASK(IPI_IRQ) | EIEM_MASK(TIMER_IRQ);
+	}
 #else
+	claim_cpu_irqs();
 	cpu_eiem = EIEM_MASK(TIMER_IRQ);
 #endif
         set_eiem(cpu_eiem);	/* EIEM : enable all external intr */
diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c
index 857c2f5..534abd4 100644
--- a/arch/parisc/kernel/ptrace.c
+++ b/arch/parisc/kernel/ptrace.c
@@ -26,7 +26,7 @@
 #include <asm/asm-offsets.h>
 
 /* PSW bits we allow the debugger to modify */
-#define USER_PSW_BITS	(PSW_N | PSW_V | PSW_CB)
+#define USER_PSW_BITS	(PSW_N | PSW_B | PSW_V | PSW_CB)
 
 /*
  * Called by kernel/ptrace.c when detaching..
diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c
index 5379969..fd05170 100644
--- a/arch/parisc/kernel/signal.c
+++ b/arch/parisc/kernel/signal.c
@@ -190,8 +190,10 @@
 	DBG(1,"get_sigframe: ka = %#lx, sp = %#lx, frame_size = %#lx\n",
 			(unsigned long)ka, sp, frame_size);
 	
+	/* Align alternate stack and reserve 64 bytes for the signal
+	   handler's frame marker.  */
 	if ((ka->sa.sa_flags & SA_ONSTACK) != 0 && ! sas_ss_flags(sp))
-		sp = current->sas_ss_sp; /* Stacks grow up! */
+		sp = (current->sas_ss_sp + 0x7f) & ~0x3f; /* Stacks grow up! */
 
 	DBG(1,"get_sigframe: Returning sp = %#lx\n", (unsigned long)sp);
 	return (void __user *) sp; /* Stacks grow up.  Fun. */
diff --git a/arch/parisc/math-emu/cnv_float.h b/arch/parisc/math-emu/cnv_float.h
index 9071e09..933423f 100644
--- a/arch/parisc/math-emu/cnv_float.h
+++ b/arch/parisc/math-emu/cnv_float.h
@@ -347,16 +347,15 @@
     Sgl_isinexact_to_fix(sgl_value,exponent)
 
 #define Duint_from_sgl_mantissa(sgl_value,exponent,dresultA,dresultB)	\
-  {Sall(sgl_value) <<= SGL_EXP_LENGTH;  /*  left-justify  */		\
+  {unsigned int val = Sall(sgl_value) << SGL_EXP_LENGTH;		\
     if (exponent <= 31) {						\
-    	Dintp1(dresultA) = 0;						\
-    	Dintp2(dresultB) = (unsigned)Sall(sgl_value) >> (31 - exponent); \
+	Dintp1(dresultA) = 0;						\
+	Dintp2(dresultB) = val >> (31 - exponent);			\
     }									\
     else {								\
-    	Dintp1(dresultA) = Sall(sgl_value) >> (63 - exponent);		\
-    	Dintp2(dresultB) = Sall(sgl_value) << (exponent - 31);		\
+	Dintp1(dresultA) = val >> (63 - exponent);			\
+	Dintp2(dresultB) = exponent <= 62 ? val << (exponent - 31) : 0;	\
     }									\
-    Sall(sgl_value) >>= SGL_EXP_LENGTH;  /* return to original */	\
   }
 
 #define Duint_setzero(dresultA,dresultB) 	\
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S
index d22e73e..e514de5 100644
--- a/arch/powerpc/kernel/entry_32.S
+++ b/arch/powerpc/kernel/entry_32.S
@@ -439,6 +439,8 @@
 ret_from_kernel_thread:
 	REST_NVGPRS(r1)
 	bl	schedule_tail
+	li	r3,0
+	stw	r3,0(r1)
 	mtlr	r14
 	mr	r3,r15
 	PPC440EP_ERR42
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index b310a05..3d990d3 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -664,6 +664,19 @@
 	ld	r4,TI_FLAGS(r9)
 	andi.	r0,r4,_TIF_NEED_RESCHED
 	bne	1b
+
+	/*
+	 * arch_local_irq_restore() from preempt_schedule_irq above may
+	 * enable hard interrupt but we really should disable interrupts
+	 * when we return from the interrupt, and so that we don't get
+	 * interrupted after loading SRR0/1.
+	 */
+#ifdef CONFIG_PPC_BOOK3E
+	wrteei	0
+#else
+	ld	r10,PACAKMSR(r13) /* Get kernel MSR without EE */
+	mtmsrd	r10,1		  /* Update machine state */
+#endif /* CONFIG_PPC_BOOK3E */
 #endif /* CONFIG_PREEMPT */
 
 	.globl	fast_exc_return_irq
diff --git a/arch/powerpc/kernel/kgdb.c b/arch/powerpc/kernel/kgdb.c
index c470a40..a7bc752 100644
--- a/arch/powerpc/kernel/kgdb.c
+++ b/arch/powerpc/kernel/kgdb.c
@@ -154,12 +154,12 @@
 static int kgdb_singlestep(struct pt_regs *regs)
 {
 	struct thread_info *thread_info, *exception_thread_info;
-	struct thread_info *backup_current_thread_info = \
-		(struct thread_info *)kmalloc(sizeof(struct thread_info), GFP_KERNEL);
+	struct thread_info *backup_current_thread_info;
 
 	if (user_mode(regs))
 		return 0;
 
+	backup_current_thread_info = (struct thread_info *)kmalloc(sizeof(struct thread_info), GFP_KERNEL);
 	/*
 	 * On Book E and perhaps other processors, singlestep is handled on
 	 * the critical exception stack.  This causes current_thread_info()
@@ -185,6 +185,7 @@
 		/* Restore current_thread_info lastly. */
 		memcpy(exception_thread_info, backup_current_thread_info, sizeof *thread_info);
 
+	kfree(backup_current_thread_info);
 	return 1;
 }
 
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 6f6b1cc..127361e 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -494,10 +494,15 @@
 	set_dec(DECREMENTER_MAX);
 
 	/* Some implementations of hotplug will get timer interrupts while
-	 * offline, just ignore these
+	 * offline, just ignore these and we also need to set
+	 * decrementers_next_tb as MAX to make sure __check_irq_replay
+	 * don't replay timer interrupt when return, otherwise we'll trap
+	 * here infinitely :(
 	 */
-	if (!cpu_online(smp_processor_id()))
+	if (!cpu_online(smp_processor_id())) {
+		*next_tb = ~(u64)0;
 		return;
+	}
 
 	/* Conditionally hard-enable interrupts now that the DEC has been
 	 * bumped to its maximum value
diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c
index b0855e5..9d9cddc 100644
--- a/arch/powerpc/kvm/emulate.c
+++ b/arch/powerpc/kvm/emulate.c
@@ -39,6 +39,7 @@
 #define OP_31_XOP_TRAP      4
 #define OP_31_XOP_LWZX      23
 #define OP_31_XOP_TRAP_64   68
+#define OP_31_XOP_DCBF      86
 #define OP_31_XOP_LBZX      87
 #define OP_31_XOP_STWX      151
 #define OP_31_XOP_STBX      215
@@ -374,6 +375,7 @@
 			emulated = kvmppc_emulate_mtspr(vcpu, sprn, rs);
 			break;
 
+		case OP_31_XOP_DCBF:
 		case OP_31_XOP_DCBI:
 			/* Do nothing. The guest is performing dcbi because
 			 * hardware DMA is not snooped by the dcache, but
diff --git a/arch/powerpc/oprofile/op_model_power4.c b/arch/powerpc/oprofile/op_model_power4.c
index 315f949..f444b94 100644
--- a/arch/powerpc/oprofile/op_model_power4.c
+++ b/arch/powerpc/oprofile/op_model_power4.c
@@ -52,7 +52,7 @@
 	for (pmc = 0; pmc < 4; pmc++) {
 		psel = mmcr1 & (OPROFILE_PM_PMCSEL_MSK
 				<< (OPROFILE_MAX_PMC_NUM - pmc)
-				* OPROFILE_MAX_PMC_NUM);
+				* OPROFILE_PMSEL_FIELD_WIDTH);
 		psel = (psel >> ((OPROFILE_MAX_PMC_NUM - pmc)
 				 * OPROFILE_PMSEL_FIELD_WIDTH)) & ~1ULL;
 		unit = mmcr1 & (OPROFILE_PM_UNIT_MSK
diff --git a/arch/powerpc/platforms/pasemi/cpufreq.c b/arch/powerpc/platforms/pasemi/cpufreq.c
index 95d0017..890f30e 100644
--- a/arch/powerpc/platforms/pasemi/cpufreq.c
+++ b/arch/powerpc/platforms/pasemi/cpufreq.c
@@ -236,6 +236,13 @@
 
 static int pas_cpufreq_cpu_exit(struct cpufreq_policy *policy)
 {
+	/*
+	 * We don't support CPU hotplug. Don't unmap after the system
+	 * has already made it to a running state.
+	 */
+	if (system_state != SYSTEM_BOOTING)
+		return 0;
+
 	if (sdcasr_mapbase)
 		iounmap(sdcasr_mapbase);
 	if (sdcpwr_mapbase)
diff --git a/arch/powerpc/sysdev/bestcomm/bestcomm.c b/arch/powerpc/sysdev/bestcomm/bestcomm.c
index d913063..81c3314 100644
--- a/arch/powerpc/sysdev/bestcomm/bestcomm.c
+++ b/arch/powerpc/sysdev/bestcomm/bestcomm.c
@@ -414,7 +414,7 @@
 		goto error_sramclean;
 	}
 
-	if (!request_mem_region(res_bcom.start, sizeof(struct mpc52xx_sdma),
+	if (!request_mem_region(res_bcom.start, resource_size(&res_bcom),
 				DRIVER_NAME)) {
 		printk(KERN_ERR DRIVER_NAME ": "
 			"Can't request registers region\n");
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index c1d7930..098adbb 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -1365,6 +1365,18 @@
 	__pmd_idte(address, pmdp);
 }
 
+#define __HAVE_ARCH_PMDP_SET_WRPROTECT
+static inline void pmdp_set_wrprotect(struct mm_struct *mm,
+				      unsigned long address, pmd_t *pmdp)
+{
+	pmd_t pmd = *pmdp;
+
+	if (pmd_write(pmd)) {
+		__pmd_idte(address, pmdp);
+		set_pmd_at(mm, address, pmdp, pmd_wrprotect(pmd));
+	}
+}
+
 static inline pmd_t mk_pmd_phys(unsigned long physpage, pgprot_t pgprot)
 {
 	pmd_t __pmd;
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 79795af..225543b 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -2138,6 +2138,7 @@
 config OLPC_XO1_SCI
 	bool "OLPC XO-1 SCI extras"
 	depends on OLPC && OLPC_XO1_PM
+	depends on INPUT=y
 	select POWER_SUPPLY
 	select GPIO_CS5535
 	select MFD_CORE
diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile
index ccce0ed..379814b 100644
--- a/arch/x86/boot/Makefile
+++ b/arch/x86/boot/Makefile
@@ -71,7 +71,7 @@
 $(obj)/bzImage: asflags-y  := $(SVGA_MODE)
 
 quiet_cmd_image = BUILD   $@
-cmd_image = $(obj)/tools/build $(obj)/setup.bin $(obj)/vmlinux.bin > $@
+cmd_image = $(obj)/tools/build $(obj)/setup.bin $(obj)/vmlinux.bin $(obj)/zoffset.h > $@
 
 $(obj)/bzImage: $(obj)/setup.bin $(obj)/vmlinux.bin $(obj)/tools/build FORCE
 	$(call if_changed,image)
@@ -92,7 +92,7 @@
 $(obj)/voffset.h: vmlinux FORCE
 	$(call if_changed,voffset)
 
-sed-zoffset := -e 's/^\([0-9a-fA-F]*\) . \(startup_32\|input_data\|_end\|z_.*\)$$/\#define ZO_\2 0x\1/p'
+sed-zoffset := -e 's/^\([0-9a-fA-F]*\) . \(startup_32\|startup_64\|efi_pe_entry\|efi_stub_entry\|input_data\|_end\|z_.*\)$$/\#define ZO_\2 0x\1/p'
 
 quiet_cmd_zoffset = ZOFFSET $@
       cmd_zoffset = $(NM) $< | sed -n $(sed-zoffset) > $@
diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c
index 18e329c..f8fa411 100644
--- a/arch/x86/boot/compressed/eboot.c
+++ b/arch/x86/boot/compressed/eboot.c
@@ -256,10 +256,10 @@
 	int i;
 	struct setup_data *data;
 
-	data = (struct setup_data *)params->hdr.setup_data;
+	data = (struct setup_data *)(unsigned long)params->hdr.setup_data;
 
 	while (data && data->next)
-		data = (struct setup_data *)data->next;
+		data = (struct setup_data *)(unsigned long)data->next;
 
 	status = efi_call_phys5(sys_table->boottime->locate_handle,
 				EFI_LOCATE_BY_PROTOCOL, &pci_proto,
@@ -295,16 +295,18 @@
 		if (!pci)
 			continue;
 
+#ifdef CONFIG_X86_64
 		status = efi_call_phys4(pci->attributes, pci,
 					EfiPciIoAttributeOperationGet, 0,
 					&attributes);
-
+#else
+		status = efi_call_phys5(pci->attributes, pci,
+					EfiPciIoAttributeOperationGet, 0, 0,
+					&attributes);
+#endif
 		if (status != EFI_SUCCESS)
 			continue;
 
-		if (!(attributes & EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM))
-			continue;
-
 		if (!pci->romimage || !pci->romsize)
 			continue;
 
@@ -345,9 +347,9 @@
 		memcpy(rom->romdata, pci->romimage, pci->romsize);
 
 		if (data)
-			data->next = (uint64_t)rom;
+			data->next = (unsigned long)rom;
 		else
-			params->hdr.setup_data = (uint64_t)rom;
+			params->hdr.setup_data = (unsigned long)rom;
 
 		data = (struct setup_data *)rom;
 
@@ -432,10 +434,9 @@
 			 * Once we've found a GOP supporting ConOut,
 			 * don't bother looking any further.
 			 */
+			first_gop = gop;
 			if (conout_found)
 				break;
-
-			first_gop = gop;
 		}
 	}
 
diff --git a/arch/x86/boot/compressed/head_32.S b/arch/x86/boot/compressed/head_32.S
index aa4aaf1..1e3184f 100644
--- a/arch/x86/boot/compressed/head_32.S
+++ b/arch/x86/boot/compressed/head_32.S
@@ -35,11 +35,11 @@
 #ifdef CONFIG_EFI_STUB
 	jmp	preferred_addr
 
-	.balign	0x10
 	/*
 	 * We don't need the return address, so set up the stack so
-	 * efi_main() can find its arugments.
+	 * efi_main() can find its arguments.
 	 */
+ENTRY(efi_pe_entry)
 	add	$0x4, %esp
 
 	call	make_boot_params
@@ -50,8 +50,10 @@
 	pushl	%eax
 	pushl	%esi
 	pushl	%ecx
+	sub	$0x4, %esp
 
-	.org 0x30,0x90
+ENTRY(efi_stub_entry)
+	add	$0x4, %esp
 	call	efi_main
 	cmpl	$0, %eax
 	movl	%eax, %esi
diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S
index 2c4b171..f5d1aaa 100644
--- a/arch/x86/boot/compressed/head_64.S
+++ b/arch/x86/boot/compressed/head_64.S
@@ -201,12 +201,12 @@
 	 */
 #ifdef CONFIG_EFI_STUB
 	/*
-	 * The entry point for the PE/COFF executable is 0x210, so only
-	 * legacy boot loaders will execute this jmp.
+	 * The entry point for the PE/COFF executable is efi_pe_entry, so
+	 * only legacy boot loaders will execute this jmp.
 	 */
 	jmp	preferred_addr
 
-	.org 0x210
+ENTRY(efi_pe_entry)
 	mov	%rcx, %rdi
 	mov	%rdx, %rsi
 	pushq	%rdi
@@ -218,7 +218,7 @@
 	popq	%rsi
 	popq	%rdi
 
-	.org 0x230,0x90
+ENTRY(efi_stub_entry)
 	call	efi_main
 	movq	%rax,%rsi
 	cmpq	$0,%rax
diff --git a/arch/x86/boot/header.S b/arch/x86/boot/header.S
index 8c132a6..944ce59 100644
--- a/arch/x86/boot/header.S
+++ b/arch/x86/boot/header.S
@@ -21,6 +21,7 @@
 #include <asm/e820.h>
 #include <asm/page_types.h>
 #include <asm/setup.h>
+#include <asm/bootparam.h>
 #include "boot.h"
 #include "voffset.h"
 #include "zoffset.h"
@@ -255,6 +256,9 @@
 	# header, from the old boot sector.
 
 	.section ".header", "a"
+	.globl	sentinel
+sentinel:	.byte 0xff, 0xff        /* Used to detect broken loaders */
+
 	.globl	hdr
 hdr:
 setup_sects:	.byte 0			/* Filled in by build.c */
@@ -279,7 +283,7 @@
 	# Part 2 of the header, from the old setup.S
 
 		.ascii	"HdrS"		# header signature
-		.word	0x020b		# header version number (>= 0x0105)
+		.word	0x020c		# header version number (>= 0x0105)
 					# or else old loadlin-1.5 will fail)
 		.globl realmode_swtch
 realmode_swtch:	.word	0, 0		# default_switch, SETUPSEG
@@ -297,13 +301,7 @@
 
 # flags, unused bits must be zero (RFU) bit within loadflags
 loadflags:
-LOADED_HIGH	= 1			# If set, the kernel is loaded high
-CAN_USE_HEAP	= 0x80			# If set, the loader also has set
-					# heap_end_ptr to tell how much
-					# space behind setup.S can be used for
-					# heap purposes.
-					# Only the loader knows what is free
-		.byte	LOADED_HIGH
+		.byte	LOADED_HIGH	# The kernel is to be loaded high
 
 setup_move_size: .word  0x8000		# size to move, when setup is not
 					# loaded at 0x90000. We will move setup
@@ -369,7 +367,23 @@
 relocatable_kernel:    .byte 0
 #endif
 min_alignment:		.byte MIN_KERNEL_ALIGN_LG2	# minimum alignment
-pad3:			.word 0
+
+xloadflags:
+#ifdef CONFIG_X86_64
+# define XLF0 XLF_KERNEL_64			/* 64-bit kernel */
+#else
+# define XLF0 0
+#endif
+#ifdef CONFIG_EFI_STUB
+# ifdef CONFIG_X86_64
+#  define XLF23 XLF_EFI_HANDOVER_64		/* 64-bit EFI handover ok */
+# else
+#  define XLF23 XLF_EFI_HANDOVER_32		/* 32-bit EFI handover ok */
+# endif
+#else
+# define XLF23 0
+#endif
+			.word XLF0 | XLF23
 
 cmdline_size:   .long   COMMAND_LINE_SIZE-1     #length of the command line,
                                                 #added with boot protocol
@@ -397,8 +411,13 @@
 #define INIT_SIZE VO_INIT_SIZE
 #endif
 init_size:		.long INIT_SIZE		# kernel initialization size
-handover_offset:	.long 0x30		# offset to the handover
+handover_offset:
+#ifdef CONFIG_EFI_STUB
+  			.long 0x30		# offset to the handover
 						# protocol entry point
+#else
+			.long 0
+#endif
 
 # End of setup header #####################################################
 
diff --git a/arch/x86/boot/setup.ld b/arch/x86/boot/setup.ld
index 03c0683..96a6c75 100644
--- a/arch/x86/boot/setup.ld
+++ b/arch/x86/boot/setup.ld
@@ -13,7 +13,7 @@
 	.bstext		: { *(.bstext) }
 	.bsdata		: { *(.bsdata) }
 
-	. = 497;
+	. = 495;
 	.header		: { *(.header) }
 	.entrytext	: { *(.entrytext) }
 	.inittext	: { *(.inittext) }
diff --git a/arch/x86/boot/tools/build.c b/arch/x86/boot/tools/build.c
index 4b8e165..94c5446 100644
--- a/arch/x86/boot/tools/build.c
+++ b/arch/x86/boot/tools/build.c
@@ -52,6 +52,10 @@
 
 #define PECOFF_RELOC_RESERVE 0x20
 
+unsigned long efi_stub_entry;
+unsigned long efi_pe_entry;
+unsigned long startup_64;
+
 /*----------------------------------------------------------------------*/
 
 static const u32 crctab32[] = {
@@ -132,7 +136,7 @@
 
 static void usage(void)
 {
-	die("Usage: build setup system [> image]");
+	die("Usage: build setup system [zoffset.h] [> image]");
 }
 
 #ifdef CONFIG_EFI_STUB
@@ -206,30 +210,54 @@
 	 */
 	put_unaligned_le32(file_sz - 512, &buf[pe_header + 0x1c]);
 
-#ifdef CONFIG_X86_32
 	/*
-	 * Address of entry point.
-	 *
-	 * The EFI stub entry point is +16 bytes from the start of
-	 * the .text section.
+	 * Address of entry point for PE/COFF executable
 	 */
-	put_unaligned_le32(text_start + 16, &buf[pe_header + 0x28]);
-#else
-	/*
-	 * Address of entry point. startup_32 is at the beginning and
-	 * the 64-bit entry point (startup_64) is always 512 bytes
-	 * after. The EFI stub entry point is 16 bytes after that, as
-	 * the first instruction allows legacy loaders to jump over
-	 * the EFI stub initialisation
-	 */
-	put_unaligned_le32(text_start + 528, &buf[pe_header + 0x28]);
-#endif /* CONFIG_X86_32 */
+	put_unaligned_le32(text_start + efi_pe_entry, &buf[pe_header + 0x28]);
 
 	update_pecoff_section_header(".text", text_start, text_sz);
 }
 
 #endif /* CONFIG_EFI_STUB */
 
+
+/*
+ * Parse zoffset.h and find the entry points. We could just #include zoffset.h
+ * but that would mean tools/build would have to be rebuilt every time. It's
+ * not as if parsing it is hard...
+ */
+#define PARSE_ZOFS(p, sym) do { \
+	if (!strncmp(p, "#define ZO_" #sym " ", 11+sizeof(#sym)))	\
+		sym = strtoul(p + 11 + sizeof(#sym), NULL, 16);		\
+} while (0)
+
+static void parse_zoffset(char *fname)
+{
+	FILE *file;
+	char *p;
+	int c;
+
+	file = fopen(fname, "r");
+	if (!file)
+		die("Unable to open `%s': %m", fname);
+	c = fread(buf, 1, sizeof(buf) - 1, file);
+	if (ferror(file))
+		die("read-error on `zoffset.h'");
+	buf[c] = 0;
+
+	p = (char *)buf;
+
+	while (p && *p) {
+		PARSE_ZOFS(p, efi_stub_entry);
+		PARSE_ZOFS(p, efi_pe_entry);
+		PARSE_ZOFS(p, startup_64);
+
+		p = strchr(p, '\n');
+		while (p && (*p == '\r' || *p == '\n'))
+			p++;
+	}
+}
+
 int main(int argc, char ** argv)
 {
 	unsigned int i, sz, setup_sectors;
@@ -241,7 +269,19 @@
 	void *kernel;
 	u32 crc = 0xffffffffUL;
 
-	if (argc != 3)
+	/* Defaults for old kernel */
+#ifdef CONFIG_X86_32
+	efi_pe_entry = 0x10;
+	efi_stub_entry = 0x30;
+#else
+	efi_pe_entry = 0x210;
+	efi_stub_entry = 0x230;
+	startup_64 = 0x200;
+#endif
+
+	if (argc == 4)
+		parse_zoffset(argv[3]);
+	else if (argc != 3)
 		usage();
 
 	/* Copy the setup code */
@@ -299,6 +339,11 @@
 
 #ifdef CONFIG_EFI_STUB
 	update_pecoff_text(setup_sectors * 512, sz + i + ((sys_size * 16) - sz));
+
+#ifdef CONFIG_X86_64 /* Yes, this is really how we defined it :( */
+	efi_stub_entry -= 0x200;
+#endif
+	put_unaligned_le32(efi_stub_entry, &buf[0x264]);
 #endif
 
 	crc = partial_crc32(buf, i, crc);
diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h
index 6e8fdf5..28677c5 100644
--- a/arch/x86/include/asm/efi.h
+++ b/arch/x86/include/asm/efi.h
@@ -94,6 +94,7 @@
 #endif /* CONFIG_X86_32 */
 
 extern int add_efi_memmap;
+extern unsigned long x86_efi_facility;
 extern void efi_set_executable(efi_memory_desc_t *md, bool executable);
 extern int efi_memblock_x86_reserve_range(void);
 extern void efi_call_phys_prelog(void);
diff --git a/arch/x86/include/asm/uv/uv.h b/arch/x86/include/asm/uv/uv.h
index b47c2a8..062921e 100644
--- a/arch/x86/include/asm/uv/uv.h
+++ b/arch/x86/include/asm/uv/uv.h
@@ -16,7 +16,7 @@
 extern const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask,
 						 struct mm_struct *mm,
 						 unsigned long start,
-						 unsigned end,
+						 unsigned long end,
 						 unsigned int cpu);
 
 #else	/* X86_UV */
diff --git a/arch/x86/include/uapi/asm/bootparam.h b/arch/x86/include/uapi/asm/bootparam.h
index 92862cd..c15ddaf 100644
--- a/arch/x86/include/uapi/asm/bootparam.h
+++ b/arch/x86/include/uapi/asm/bootparam.h
@@ -1,6 +1,31 @@
 #ifndef _ASM_X86_BOOTPARAM_H
 #define _ASM_X86_BOOTPARAM_H
 
+/* setup_data types */
+#define SETUP_NONE			0
+#define SETUP_E820_EXT			1
+#define SETUP_DTB			2
+#define SETUP_PCI			3
+
+/* ram_size flags */
+#define RAMDISK_IMAGE_START_MASK	0x07FF
+#define RAMDISK_PROMPT_FLAG		0x8000
+#define RAMDISK_LOAD_FLAG		0x4000
+
+/* loadflags */
+#define LOADED_HIGH	(1<<0)
+#define QUIET_FLAG	(1<<5)
+#define KEEP_SEGMENTS	(1<<6)
+#define CAN_USE_HEAP	(1<<7)
+
+/* xloadflags */
+#define XLF_KERNEL_64			(1<<0)
+#define XLF_CAN_BE_LOADED_ABOVE_4G	(1<<1)
+#define XLF_EFI_HANDOVER_32		(1<<2)
+#define XLF_EFI_HANDOVER_64		(1<<3)
+
+#ifndef __ASSEMBLY__
+
 #include <linux/types.h>
 #include <linux/screen_info.h>
 #include <linux/apm_bios.h>
@@ -9,12 +34,6 @@
 #include <asm/ist.h>
 #include <video/edid.h>
 
-/* setup data types */
-#define SETUP_NONE			0
-#define SETUP_E820_EXT			1
-#define SETUP_DTB			2
-#define SETUP_PCI			3
-
 /* extensible setup data list node */
 struct setup_data {
 	__u64 next;
@@ -28,9 +47,6 @@
 	__u16	root_flags;
 	__u32	syssize;
 	__u16	ram_size;
-#define RAMDISK_IMAGE_START_MASK	0x07FF
-#define RAMDISK_PROMPT_FLAG		0x8000
-#define RAMDISK_LOAD_FLAG		0x4000
 	__u16	vid_mode;
 	__u16	root_dev;
 	__u16	boot_flag;
@@ -42,10 +58,6 @@
 	__u16	kernel_version;
 	__u8	type_of_loader;
 	__u8	loadflags;
-#define LOADED_HIGH	(1<<0)
-#define QUIET_FLAG	(1<<5)
-#define KEEP_SEGMENTS	(1<<6)
-#define CAN_USE_HEAP	(1<<7)
 	__u16	setup_move_size;
 	__u32	code32_start;
 	__u32	ramdisk_image;
@@ -58,7 +70,8 @@
 	__u32	initrd_addr_max;
 	__u32	kernel_alignment;
 	__u8	relocatable_kernel;
-	__u8	_pad2[3];
+	__u8	min_alignment;
+	__u16	xloadflags;
 	__u32	cmdline_size;
 	__u32	hardware_subarch;
 	__u64	hardware_subarch_data;
@@ -106,7 +119,10 @@
 	__u8  hd1_info[16];	/* obsolete! */		/* 0x090 */
 	struct sys_desc_table sys_desc_table;		/* 0x0a0 */
 	struct olpc_ofw_header olpc_ofw_header;		/* 0x0b0 */
-	__u8  _pad4[128];				/* 0x0c0 */
+	__u32 ext_ramdisk_image;			/* 0x0c0 */
+	__u32 ext_ramdisk_size;				/* 0x0c4 */
+	__u32 ext_cmd_line_ptr;				/* 0x0c8 */
+	__u8  _pad4[116];				/* 0x0cc */
 	struct edid_info edid_info;			/* 0x140 */
 	struct efi_info efi_info;			/* 0x1c0 */
 	__u32 alt_mem_k;				/* 0x1e0 */
@@ -115,7 +131,20 @@
 	__u8  eddbuf_entries;				/* 0x1e9 */
 	__u8  edd_mbr_sig_buf_entries;			/* 0x1ea */
 	__u8  kbd_status;				/* 0x1eb */
-	__u8  _pad6[5];					/* 0x1ec */
+	__u8  _pad5[3];					/* 0x1ec */
+	/*
+	 * The sentinel is set to a nonzero value (0xff) in header.S.
+	 *
+	 * A bootloader is supposed to only take setup_header and put
+	 * it into a clean boot_params buffer. If it turns out that
+	 * it is clumsy or too generous with the buffer, it most
+	 * probably will pick up the sentinel variable too. The fact
+	 * that this variable then is still 0xff will let kernel
+	 * know that some variables in boot_params are invalid and
+	 * kernel should zero out certain portions of boot_params.
+	 */
+	__u8  sentinel;					/* 0x1ef */
+	__u8  _pad6[1];					/* 0x1f0 */
 	struct setup_header hdr;    /* setup header */	/* 0x1f1 */
 	__u8  _pad7[0x290-0x1f1-sizeof(struct setup_header)];
 	__u32 edd_mbr_sig_buffer[EDD_MBR_SIG_MAX];	/* 0x290 */
@@ -134,6 +163,6 @@
 	X86_NR_SUBARCHS,
 };
 
-
+#endif /* __ASSEMBLY__ */
 
 #endif /* _ASM_X86_BOOTPARAM_H */
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index 4428fd1..6774c17 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -340,9 +340,6 @@
 		/* BTS is currently only allowed for user-mode. */
 		if (!attr->exclude_kernel)
 			return -EOPNOTSUPP;
-
-		if (!attr->exclude_guest)
-			return -EOPNOTSUPP;
 	}
 
 	hwc->config |= config;
@@ -385,9 +382,6 @@
 	if (event->attr.precise_ip) {
 		int precise = 0;
 
-		if (!event->attr.exclude_guest)
-			return -EOPNOTSUPP;
-
 		/* Support for constant skid */
 		if (x86_pmu.pebs_active && !x86_pmu.pebs_broken) {
 			precise++;
diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S
index ff84d54..6ed91d9 100644
--- a/arch/x86/kernel/entry_32.S
+++ b/arch/x86/kernel/entry_32.S
@@ -1065,7 +1065,6 @@
 	lea 16(%esp),%esp
 	CFI_ADJUST_CFA_OFFSET -16
 	jz 5f
-	addl $16,%esp
 	jmp iret_exc
 5:	pushl_cfi $-1 /* orig_ax = -1 => not a system call */
 	SAVE_ALL
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index 07a7a04..cb3c591 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -1781,6 +1781,7 @@
 	 * Leave room for the "copied" frame
 	 */
 	subq $(5*8), %rsp
+	CFI_ADJUST_CFA_OFFSET 5*8
 
 	/* Copy the stack frame to the Saved frame */
 	.rept 5
@@ -1863,10 +1864,8 @@
 nmi_swapgs:
 	SWAPGS_UNSAFE_STACK
 nmi_restore:
-	RESTORE_ALL 8
-
-	/* Pop the extra iret frame */
-	addq $(5*8), %rsp
+	/* Pop the extra iret frame at once */
+	RESTORE_ALL 6*8
 
 	/* Clear the NMI executing stack variable */
 	movq $0, 5*8(%rsp)
diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
index 8e7f655..c8932c7 100644
--- a/arch/x86/kernel/head_32.S
+++ b/arch/x86/kernel/head_32.S
@@ -300,6 +300,12 @@
 	leal -__PAGE_OFFSET(%ecx),%esp
 
 default_entry:
+#define CR0_STATE	(X86_CR0_PE | X86_CR0_MP | X86_CR0_ET | \
+			 X86_CR0_NE | X86_CR0_WP | X86_CR0_AM | \
+			 X86_CR0_PG)
+	movl $(CR0_STATE & ~X86_CR0_PG),%eax
+	movl %eax,%cr0
+
 /*
  *	New page tables may be in 4Mbyte page mode and may
  *	be using the global pages. 
@@ -364,8 +370,7 @@
  */
 	movl $pa(initial_page_table), %eax
 	movl %eax,%cr3		/* set the page table pointer.. */
-	movl %cr0,%eax
-	orl  $X86_CR0_PG,%eax
+	movl $CR0_STATE,%eax
 	movl %eax,%cr0		/* ..and set paging (PG) bit */
 	ljmp $__BOOT_CS,$1f	/* Clear prefetch and normalize %eip */
 1:
diff --git a/arch/x86/kernel/msr.c b/arch/x86/kernel/msr.c
index a7c5661..4929502 100644
--- a/arch/x86/kernel/msr.c
+++ b/arch/x86/kernel/msr.c
@@ -174,6 +174,9 @@
 	unsigned int cpu;
 	struct cpuinfo_x86 *c;
 
+	if (!capable(CAP_SYS_RAWIO))
+		return -EPERM;
+
 	cpu = iminor(file->f_path.dentry->d_inode);
 	if (cpu >= nr_cpu_ids || !cpu_online(cpu))
 		return -ENXIO;	/* No such CPU */
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index 0f5dec5..872079a 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -56,7 +56,7 @@
 EXPORT_SYMBOL(x86_dma_fallback_dev);
 
 /* Number of entries preallocated for DMA-API debugging */
-#define PREALLOC_DMA_DEBUG_ENTRIES       32768
+#define PREALLOC_DMA_DEBUG_ENTRIES       65536
 
 int dma_set_mask(struct device *dev, u64 mask)
 {
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 4e8ba39..76fa1e9 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -584,7 +584,7 @@
 			break;
 
 		case BOOT_EFI:
-			if (efi_enabled)
+			if (efi_enabled(EFI_RUNTIME_SERVICES))
 				efi.reset_system(reboot_mode ?
 						 EFI_RESET_WARM :
 						 EFI_RESET_COLD,
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 00f6c14..8b24289 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -807,15 +807,15 @@
 #ifdef CONFIG_EFI
 	if (!strncmp((char *)&boot_params.efi_info.efi_loader_signature,
 		     "EL32", 4)) {
-		efi_enabled = 1;
-		efi_64bit = false;
+		set_bit(EFI_BOOT, &x86_efi_facility);
 	} else if (!strncmp((char *)&boot_params.efi_info.efi_loader_signature,
 		     "EL64", 4)) {
-		efi_enabled = 1;
-		efi_64bit = true;
+		set_bit(EFI_BOOT, &x86_efi_facility);
+		set_bit(EFI_64BIT, &x86_efi_facility);
 	}
-	if (efi_enabled && efi_memblock_x86_reserve_range())
-		efi_enabled = 0;
+
+	if (efi_enabled(EFI_BOOT))
+		efi_memblock_x86_reserve_range();
 #endif
 
 	x86_init.oem.arch_setup();
@@ -888,7 +888,7 @@
 
 	finish_e820_parsing();
 
-	if (efi_enabled)
+	if (efi_enabled(EFI_BOOT))
 		efi_init();
 
 	dmi_scan_machine();
@@ -971,7 +971,7 @@
 	 * The EFI specification says that boot service code won't be called
 	 * after ExitBootServices(). This is, in fact, a lie.
 	 */
-	if (efi_enabled)
+	if (efi_enabled(EFI_MEMMAP))
 		efi_reserve_boot_services();
 
 	/* preallocate 4k for mptable mpc */
@@ -1114,7 +1114,7 @@
 
 #ifdef CONFIG_VT
 #if defined(CONFIG_VGA_CONSOLE)
-	if (!efi_enabled || (efi_mem_type(0xa0000) != EFI_CONVENTIONAL_MEMORY))
+	if (!efi_enabled(EFI_BOOT) || (efi_mem_type(0xa0000) != EFI_CONVENTIONAL_MEMORY))
 		conswitchp = &vga_con;
 #elif defined(CONFIG_DUMMY_CONSOLE)
 	conswitchp = &dummy_con;
@@ -1131,14 +1131,14 @@
 	register_refined_jiffies(CLOCK_TICK_RATE);
 
 #ifdef CONFIG_EFI
-	/* Once setup is done above, disable efi_enabled on mismatched
-	 * firmware/kernel archtectures since there is no support for
-	 * runtime services.
+	/* Once setup is done above, unmap the EFI memory map on
+	 * mismatched firmware/kernel archtectures since there is no
+	 * support for runtime services.
 	 */
-	if (efi_enabled && IS_ENABLED(CONFIG_X86_64) != efi_64bit) {
+	if (efi_enabled(EFI_BOOT) &&
+	    IS_ENABLED(CONFIG_X86_64) != efi_enabled(EFI_64BIT)) {
 		pr_info("efi: Setup done, disabling due to 32/64-bit mismatch\n");
 		efi_unmap_memmap();
-		efi_enabled = 0;
 	}
 #endif
 }
diff --git a/arch/x86/kernel/step.c b/arch/x86/kernel/step.c
index cd3b243..9b4d51d 100644
--- a/arch/x86/kernel/step.c
+++ b/arch/x86/kernel/step.c
@@ -165,10 +165,11 @@
 	 * Ensure irq/preemption can't change debugctl in between.
 	 * Note also that both TIF_BLOCKSTEP and debugctl should
 	 * be changed atomically wrt preemption.
-	 * FIXME: this means that set/clear TIF_BLOCKSTEP is simply
-	 * wrong if task != current, SIGKILL can wakeup the stopped
-	 * tracee and set/clear can play with the running task, this
-	 * can confuse the next __switch_to_xtra().
+	 *
+	 * NOTE: this means that set/clear TIF_BLOCKSTEP is only safe if
+	 * task is current or it can't be running, otherwise we can race
+	 * with __switch_to_xtra(). We rely on ptrace_freeze_traced() but
+	 * PTRACE_KILL is not safe.
 	 */
 	local_irq_disable();
 	debugctl = get_debugctlmsr();
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index ad443914..77cf009 100644
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -51,9 +51,6 @@
 
 #define EFI_DEBUG	1
 
-int efi_enabled;
-EXPORT_SYMBOL(efi_enabled);
-
 struct efi __read_mostly efi = {
 	.mps        = EFI_INVALID_TABLE_ADDR,
 	.acpi       = EFI_INVALID_TABLE_ADDR,
@@ -69,19 +66,28 @@
 
 struct efi_memory_map memmap;
 
-bool efi_64bit;
-
 static struct efi efi_phys __initdata;
 static efi_system_table_t efi_systab __initdata;
 
 static inline bool efi_is_native(void)
 {
-	return IS_ENABLED(CONFIG_X86_64) == efi_64bit;
+	return IS_ENABLED(CONFIG_X86_64) == efi_enabled(EFI_64BIT);
 }
 
+unsigned long x86_efi_facility;
+
+/*
+ * Returns 1 if 'facility' is enabled, 0 otherwise.
+ */
+int efi_enabled(int facility)
+{
+	return test_bit(facility, &x86_efi_facility) != 0;
+}
+EXPORT_SYMBOL(efi_enabled);
+
 static int __init setup_noefi(char *arg)
 {
-	efi_enabled = 0;
+	clear_bit(EFI_BOOT, &x86_efi_facility);
 	return 0;
 }
 early_param("noefi", setup_noefi);
@@ -426,6 +432,7 @@
 
 void __init efi_unmap_memmap(void)
 {
+	clear_bit(EFI_MEMMAP, &x86_efi_facility);
 	if (memmap.map) {
 		early_iounmap(memmap.map, memmap.nr_map * memmap.desc_size);
 		memmap.map = NULL;
@@ -460,7 +467,7 @@
 
 static int __init efi_systab_init(void *phys)
 {
-	if (efi_64bit) {
+	if (efi_enabled(EFI_64BIT)) {
 		efi_system_table_64_t *systab64;
 		u64 tmp = 0;
 
@@ -552,7 +559,7 @@
 	void *config_tables, *tablep;
 	int i, sz;
 
-	if (efi_64bit)
+	if (efi_enabled(EFI_64BIT))
 		sz = sizeof(efi_config_table_64_t);
 	else
 		sz = sizeof(efi_config_table_32_t);
@@ -572,7 +579,7 @@
 		efi_guid_t guid;
 		unsigned long table;
 
-		if (efi_64bit) {
+		if (efi_enabled(EFI_64BIT)) {
 			u64 table64;
 			guid = ((efi_config_table_64_t *)tablep)->guid;
 			table64 = ((efi_config_table_64_t *)tablep)->table;
@@ -684,7 +691,6 @@
 	if (boot_params.efi_info.efi_systab_hi ||
 	    boot_params.efi_info.efi_memmap_hi) {
 		pr_info("Table located above 4GB, disabling EFI.\n");
-		efi_enabled = 0;
 		return;
 	}
 	efi_phys.systab = (efi_system_table_t *)boot_params.efi_info.efi_systab;
@@ -694,10 +700,10 @@
 			  ((__u64)boot_params.efi_info.efi_systab_hi<<32));
 #endif
 
-	if (efi_systab_init(efi_phys.systab)) {
-		efi_enabled = 0;
+	if (efi_systab_init(efi_phys.systab))
 		return;
-	}
+
+	set_bit(EFI_SYSTEM_TABLES, &x86_efi_facility);
 
 	/*
 	 * Show what we know for posterity
@@ -715,10 +721,10 @@
 		efi.systab->hdr.revision >> 16,
 		efi.systab->hdr.revision & 0xffff, vendor);
 
-	if (efi_config_init(efi.systab->tables, efi.systab->nr_tables)) {
-		efi_enabled = 0;
+	if (efi_config_init(efi.systab->tables, efi.systab->nr_tables))
 		return;
-	}
+
+	set_bit(EFI_CONFIG_TABLES, &x86_efi_facility);
 
 	/*
 	 * Note: We currently don't support runtime services on an EFI
@@ -727,15 +733,17 @@
 
 	if (!efi_is_native())
 		pr_info("No EFI runtime due to 32/64-bit mismatch with kernel\n");
-	else if (efi_runtime_init()) {
-		efi_enabled = 0;
-		return;
+	else {
+		if (efi_runtime_init())
+			return;
+		set_bit(EFI_RUNTIME_SERVICES, &x86_efi_facility);
 	}
 
-	if (efi_memmap_init()) {
-		efi_enabled = 0;
+	if (efi_memmap_init())
 		return;
-	}
+
+	set_bit(EFI_MEMMAP, &x86_efi_facility);
+
 #ifdef CONFIG_X86_32
 	if (efi_is_native()) {
 		x86_platform.get_wallclock = efi_get_time;
@@ -941,7 +949,7 @@
 	 *
 	 * Call EFI services through wrapper functions.
 	 */
-	efi.runtime_version = efi_systab.fw_revision;
+	efi.runtime_version = efi_systab.hdr.revision;
 	efi.get_time = virt_efi_get_time;
 	efi.set_time = virt_efi_set_time;
 	efi.get_wakeup_time = virt_efi_get_wakeup_time;
@@ -969,6 +977,9 @@
 	efi_memory_desc_t *md;
 	void *p;
 
+	if (!efi_enabled(EFI_MEMMAP))
+		return 0;
+
 	for (p = memmap.map; p < memmap.map_end; p += memmap.desc_size) {
 		md = p;
 		if ((md->phys_addr <= phys_addr) &&
diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c
index 95fd505..2b20038 100644
--- a/arch/x86/platform/efi/efi_64.c
+++ b/arch/x86/platform/efi/efi_64.c
@@ -38,7 +38,7 @@
 #include <asm/cacheflush.h>
 #include <asm/fixmap.h>
 
-static pgd_t save_pgd __initdata;
+static pgd_t *save_pgd __initdata;
 static unsigned long efi_flags __initdata;
 
 static void __init early_code_mapping_set_exec(int executable)
@@ -61,12 +61,20 @@
 void __init efi_call_phys_prelog(void)
 {
 	unsigned long vaddress;
+	int pgd;
+	int n_pgds;
 
 	early_code_mapping_set_exec(1);
 	local_irq_save(efi_flags);
-	vaddress = (unsigned long)__va(0x0UL);
-	save_pgd = *pgd_offset_k(0x0UL);
-	set_pgd(pgd_offset_k(0x0UL), *pgd_offset_k(vaddress));
+
+	n_pgds = DIV_ROUND_UP((max_pfn << PAGE_SHIFT), PGDIR_SIZE);
+	save_pgd = kmalloc(n_pgds * sizeof(pgd_t), GFP_KERNEL);
+
+	for (pgd = 0; pgd < n_pgds; pgd++) {
+		save_pgd[pgd] = *pgd_offset_k(pgd * PGDIR_SIZE);
+		vaddress = (unsigned long)__va(pgd * PGDIR_SIZE);
+		set_pgd(pgd_offset_k(pgd * PGDIR_SIZE), *pgd_offset_k(vaddress));
+	}
 	__flush_tlb_all();
 }
 
@@ -75,7 +83,11 @@
 	/*
 	 * After the lock is released, the original page table is restored.
 	 */
-	set_pgd(pgd_offset_k(0x0UL), save_pgd);
+	int pgd;
+	int n_pgds = DIV_ROUND_UP((max_pfn << PAGE_SHIFT) , PGDIR_SIZE);
+	for (pgd = 0; pgd < n_pgds; pgd++)
+		set_pgd(pgd_offset_k(pgd * PGDIR_SIZE), save_pgd[pgd]);
+	kfree(save_pgd);
 	__flush_tlb_all();
 	local_irq_restore(efi_flags);
 	early_code_mapping_set_exec(0);
diff --git a/arch/x86/platform/uv/tlb_uv.c b/arch/x86/platform/uv/tlb_uv.c
index b8b3a37..dbbdca5 100644
--- a/arch/x86/platform/uv/tlb_uv.c
+++ b/arch/x86/platform/uv/tlb_uv.c
@@ -1034,7 +1034,8 @@
  * globally purge translation cache of a virtual address or all TLB's
  * @cpumask: mask of all cpu's in which the address is to be removed
  * @mm: mm_struct containing virtual address range
- * @va: virtual address to be removed (or TLB_FLUSH_ALL for all TLB's on cpu)
+ * @start: start virtual address to be removed from TLB
+ * @end: end virtual address to be remove from TLB
  * @cpu: the current cpu
  *
  * This is the entry point for initiating any UV global TLB shootdown.
@@ -1056,7 +1057,7 @@
  */
 const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask,
 				struct mm_struct *mm, unsigned long start,
-				unsigned end, unsigned int cpu)
+				unsigned long end, unsigned int cpu)
 {
 	int locals = 0;
 	int remotes = 0;
@@ -1113,7 +1114,10 @@
 
 	record_send_statistics(stat, locals, hubs, remotes, bau_desc);
 
-	bau_desc->payload.address = start;
+	if (!end || (end - start) <= PAGE_SIZE)
+		bau_desc->payload.address = start;
+	else
+		bau_desc->payload.address = TLB_FLUSH_ALL;
 	bau_desc->payload.sending_cpu = cpu;
 	/*
 	 * uv_flush_send_and_wait returns 0 if all cpu's were messaged,
diff --git a/arch/x86/tools/relocs.c b/arch/x86/tools/relocs.c
index 5a1847d..79d67bd 100644
--- a/arch/x86/tools/relocs.c
+++ b/arch/x86/tools/relocs.c
@@ -814,12 +814,14 @@
 	read_relocs(fp);
 	if (show_absolute_syms) {
 		print_absolute_symbols();
-		return 0;
+		goto out;
 	}
 	if (show_absolute_relocs) {
 		print_absolute_relocs();
-		return 0;
+		goto out;
 	}
 	emit_relocs(as_text, use_real_mode);
+out:
+	fclose(fp);
 	return 0;
 }
diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index 4f7d259..34bc4ce 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -432,13 +432,6 @@
 	play_dead_common();
 	HYPERVISOR_vcpu_op(VCPUOP_down, smp_processor_id(), NULL);
 	cpu_bringup();
-	/*
-	 * Balance out the preempt calls - as we are running in cpu_idle
-	 * loop which has been called at bootup from cpu_bringup_and_idle.
-	 * The cpucpu_bringup_and_idle called cpu_bringup which made a
-	 * preempt_disable() So this preempt_enable will balance it out.
-	 */
-	preempt_enable();
 }
 
 #else /* !CONFIG_HOTPLUG_CPU */
diff --git a/drivers/acpi/apei/apei-base.c b/drivers/acpi/apei/apei-base.c
index 00a7836..46f80e2 100644
--- a/drivers/acpi/apei/apei-base.c
+++ b/drivers/acpi/apei/apei-base.c
@@ -590,6 +590,9 @@
 	if (bit_width == 32 && bit_offset == 0 && (*paddr & 0x03) == 0 &&
 	    *access_bit_width < 32)
 		*access_bit_width = 32;
+	else if (bit_width == 64 && bit_offset == 0 && (*paddr & 0x07) == 0 &&
+	    *access_bit_width < 64)
+		*access_bit_width = 64;
 
 	if ((bit_width + bit_offset) > *access_bit_width) {
 		pr_warning(FW_BUG APEI_PFX
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 3ff2678..bd22f86 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -250,7 +250,7 @@
 		return acpi_rsdp;
 #endif
 
-	if (efi_enabled) {
+	if (efi_enabled(EFI_CONFIG_TABLES)) {
 		if (efi.acpi20 != EFI_INVALID_TABLE_ADDR)
 			return efi.acpi20;
 		else if (efi.acpi != EFI_INVALID_TABLE_ADDR)
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index f1a5da4..ed9a1cc 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -958,6 +958,9 @@
 		return -EINVAL;
 	}
 
+	if (!dev)
+		return -EINVAL;
+
 	dev->cpu = pr->id;
 
 	if (max_cstate == 0)
@@ -1149,6 +1152,7 @@
 		}
 
 		/* Populate Updated C-state information */
+		acpi_processor_get_power_info(pr);
 		acpi_processor_setup_cpuidle_states(pr);
 
 		/* Enable all cpuidle devices */
diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index 836bfe0..53e7ac9 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -340,6 +340,13 @@
 	if ((boot_cpu_data.x86 == 0x10 && boot_cpu_data.x86_model < 10)
 	    || boot_cpu_data.x86 == 0x11) {
 		rdmsr(MSR_AMD_PSTATE_DEF_BASE + index, lo, hi);
+		/*
+		 * MSR C001_0064+:
+		 * Bit 63: PstateEn. Read-write. If set, the P-state is valid.
+		 */
+		if (!(hi & BIT(31)))
+			return;
+
 		fid = lo & 0x3f;
 		did = (lo >> 6) & 7;
 		if (boot_cpu_data.x86 == 0x10)
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 7862d17..4979127 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -53,6 +53,7 @@
 
 enum {
 	AHCI_PCI_BAR_STA2X11	= 0,
+	AHCI_PCI_BAR_ENMOTUS	= 2,
 	AHCI_PCI_BAR_STANDARD	= 5,
 };
 
@@ -410,6 +411,9 @@
 	{ PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci },	/* ASM1061 */
 	{ PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci },	/* ASM1062 */
 
+	/* Enmotus */
+	{ PCI_DEVICE(0x1c44, 0x8000), board_ahci },
+
 	/* Generic, PCI class code for AHCI */
 	{ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
 	  PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci },
@@ -1098,9 +1102,11 @@
 		dev_info(&pdev->dev,
 			 "PDC42819 can only drive SATA devices with this driver\n");
 
-	/* The Connext uses non-standard BAR */
+	/* Both Connext and Enmotus devices use non-standard BARs */
 	if (pdev->vendor == PCI_VENDOR_ID_STMICRO && pdev->device == 0xCC06)
 		ahci_pci_bar = AHCI_PCI_BAR_STA2X11;
+	else if (pdev->vendor == 0x1c44 && pdev->device == 0x8000)
+		ahci_pci_bar = AHCI_PCI_BAR_ENMOTUS;
 
 	/* acquire resources */
 	rc = pcim_enable_device(pdev);
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index 320712a..6cd7805 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -1951,13 +1951,13 @@
 	/* Use the nominal value 10 ms if the read MDAT is zero,
 	 * the nominal value of DETO is 20 ms.
 	 */
-	if (dev->sata_settings[ATA_LOG_DEVSLP_VALID] &
+	if (dev->devslp_timing[ATA_LOG_DEVSLP_VALID] &
 	    ATA_LOG_DEVSLP_VALID_MASK) {
-		mdat = dev->sata_settings[ATA_LOG_DEVSLP_MDAT] &
+		mdat = dev->devslp_timing[ATA_LOG_DEVSLP_MDAT] &
 		       ATA_LOG_DEVSLP_MDAT_MASK;
 		if (!mdat)
 			mdat = 10;
-		deto = dev->sata_settings[ATA_LOG_DEVSLP_DETO];
+		deto = dev->devslp_timing[ATA_LOG_DEVSLP_DETO];
 		if (!deto)
 			deto = 20;
 	} else {
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 9e8b99a..46cd3f4 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -2325,24 +2325,28 @@
 			}
 		}
 
-		/* check and mark DevSlp capability */
-		if (ata_id_has_devslp(dev->id))
-			dev->flags |= ATA_DFLAG_DEVSLP;
-
-		/* Obtain SATA Settings page from Identify Device Data Log,
-		 * which contains DevSlp timing variables etc.
-		 * Exclude old devices with ata_id_has_ncq()
+		/* Check and mark DevSlp capability. Get DevSlp timing variables
+		 * from SATA Settings page of Identify Device Data Log.
 		 */
-		if (ata_id_has_ncq(dev->id)) {
+		if (ata_id_has_devslp(dev->id)) {
+			u8 sata_setting[ATA_SECT_SIZE];
+			int i, j;
+
+			dev->flags |= ATA_DFLAG_DEVSLP;
 			err_mask = ata_read_log_page(dev,
 						     ATA_LOG_SATA_ID_DEV_DATA,
 						     ATA_LOG_SATA_SETTINGS,
-						     dev->sata_settings,
+						     sata_setting,
 						     1);
 			if (err_mask)
 				ata_dev_dbg(dev,
 					    "failed to get Identify Device Data, Emask 0x%x\n",
 					    err_mask);
+			else
+				for (i = 0; i < ATA_LOG_DEVSLP_SIZE; i++) {
+					j = ATA_LOG_DEVSLP_OFFSET + i;
+					dev->devslp_timing[i] = sata_setting[j];
+				}
 		}
 
 		dev->cdb_len = 16;
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index bf039b0..bcf4437 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -2094,7 +2094,7 @@
  */
 static inline int ata_eh_worth_retry(struct ata_queued_cmd *qc)
 {
-	if (qc->flags & AC_ERR_MEDIA)
+	if (qc->err_mask & AC_ERR_MEDIA)
 		return 0;	/* don't retry media errors */
 	if (qc->flags & ATA_QCFLAG_IO)
 		return 1;	/* otherwise retry anything from fs stack */
diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c
index 46a213a..d9a6c94 100644
--- a/drivers/base/regmap/regmap-debugfs.c
+++ b/drivers/base/regmap/regmap-debugfs.c
@@ -121,8 +121,6 @@
 		c->max = p - 1;
 		list_add_tail(&c->list,
 			      &map->debugfs_off_cache);
-	} else {
-		return base;
 	}
 
 	/*
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 42d5cb0..f00b059 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -1106,7 +1106,7 @@
  * @val_count: Number of registers to write
  *
  * This function is intended to be used for writing a large block of
- * data to be device either in single transfer or multiple transfer.
+ * data to the device either in single transfer or multiple transfer.
  *
  * A value of zero will be returned on success, a negative errno will
  * be returned in error cases.
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 9d8409c..8ad21a2 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -889,6 +889,7 @@
 {
 	struct virtio_blk *vblk = vdev->priv;
 	int index = vblk->index;
+	int refc;
 
 	/* Prevent config work handler from accessing the device. */
 	mutex_lock(&vblk->config_lock);
@@ -903,11 +904,15 @@
 
 	flush_work(&vblk->config_work);
 
+	refc = atomic_read(&disk_to_dev(vblk->disk)->kobj.kref.refcount);
 	put_disk(vblk->disk);
 	mempool_destroy(vblk->pool);
 	vdev->config->del_vqs(vdev);
 	kfree(vblk);
-	ida_simple_remove(&vd_index_ida, index);
+
+	/* Only free device id if we don't have any users */
+	if (refc == 1)
+		ida_simple_remove(&vd_index_ida, index);
 }
 
 #ifdef CONFIG_PM
diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c
index b00000e..33c9a44 100644
--- a/drivers/bluetooth/ath3k.c
+++ b/drivers/bluetooth/ath3k.c
@@ -77,10 +77,15 @@
 	{ USB_DEVICE(0x0CF3, 0x311D) },
 	{ USB_DEVICE(0x13d3, 0x3375) },
 	{ USB_DEVICE(0x04CA, 0x3005) },
+	{ USB_DEVICE(0x04CA, 0x3006) },
+	{ USB_DEVICE(0x04CA, 0x3008) },
 	{ USB_DEVICE(0x13d3, 0x3362) },
 	{ USB_DEVICE(0x0CF3, 0xE004) },
 	{ USB_DEVICE(0x0930, 0x0219) },
 	{ USB_DEVICE(0x0489, 0xe057) },
+	{ USB_DEVICE(0x13d3, 0x3393) },
+	{ USB_DEVICE(0x0489, 0xe04e) },
+	{ USB_DEVICE(0x0489, 0xe056) },
 
 	/* Atheros AR5BBU12 with sflash firmware */
 	{ USB_DEVICE(0x0489, 0xE02C) },
@@ -104,10 +109,15 @@
 	{ USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
 
 	/* Atheros AR5BBU22 with sflash firmware */
 	{ USB_DEVICE(0x0489, 0xE03C), .driver_info = BTUSB_ATH3012 },
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index a1d4ede..7e351e3 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -135,10 +135,15 @@
 	{ USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
 
 	/* Atheros AR5BBU12 with sflash firmware */
 	{ USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
diff --git a/drivers/clk/mvebu/clk-cpu.c b/drivers/clk/mvebu/clk-cpu.c
index ff004578..9dd2551 100644
--- a/drivers/clk/mvebu/clk-cpu.c
+++ b/drivers/clk/mvebu/clk-cpu.c
@@ -124,7 +124,7 @@
 
 	clks = kzalloc(ncpus * sizeof(*clks), GFP_KERNEL);
 	if (WARN_ON(!clks))
-		return;
+		goto clks_out;
 
 	for_each_node_by_type(dn, "cpu") {
 		struct clk_init_data init;
@@ -134,11 +134,11 @@
 		int cpu, err;
 
 		if (WARN_ON(!clk_name))
-			return;
+			goto bail_out;
 
 		err = of_property_read_u32(dn, "reg", &cpu);
 		if (WARN_ON(err))
-			return;
+			goto bail_out;
 
 		sprintf(clk_name, "cpu%d", cpu);
 		parent_clk = of_clk_get(node, 0);
@@ -167,6 +167,9 @@
 	return;
 bail_out:
 	kfree(clks);
+	while(ncpus--)
+		kfree(cpuclk[ncpus].clk_name);
+clks_out:
 	kfree(cpuclk);
 }
 
diff --git a/drivers/cpufreq/Kconfig.x86 b/drivers/cpufreq/Kconfig.x86
index 934854a..7227cd7 100644
--- a/drivers/cpufreq/Kconfig.x86
+++ b/drivers/cpufreq/Kconfig.x86
@@ -106,7 +106,7 @@
 config X86_POWERNOW_K8
 	tristate "AMD Opteron/Athlon64 PowerNow!"
 	select CPU_FREQ_TABLE
-	depends on ACPI && ACPI_PROCESSOR
+	depends on ACPI && ACPI_PROCESSOR && X86_ACPI_CPUFREQ
 	help
 	  This adds the CPUFreq driver for K8/early Opteron/Athlon64 processors.
 	  Support for K10 and newer processors is now in acpi-cpufreq.
diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c
index 0d048f6..7b0d49d 100644
--- a/drivers/cpufreq/acpi-cpufreq.c
+++ b/drivers/cpufreq/acpi-cpufreq.c
@@ -1030,4 +1030,11 @@
 late_initcall(acpi_cpufreq_init);
 module_exit(acpi_cpufreq_exit);
 
+static const struct x86_cpu_id acpi_cpufreq_ids[] = {
+	X86_FEATURE_MATCH(X86_FEATURE_ACPI),
+	X86_FEATURE_MATCH(X86_FEATURE_HW_PSTATE),
+	{}
+};
+MODULE_DEVICE_TABLE(x86cpu, acpi_cpufreq_ids);
+
 MODULE_ALIAS("acpi");
diff --git a/drivers/cpufreq/cpufreq-cpu0.c b/drivers/cpufreq/cpufreq-cpu0.c
index 52bf36d..debc5a7 100644
--- a/drivers/cpufreq/cpufreq-cpu0.c
+++ b/drivers/cpufreq/cpufreq-cpu0.c
@@ -71,12 +71,15 @@
 	}
 
 	if (cpu_reg) {
+		rcu_read_lock();
 		opp = opp_find_freq_ceil(cpu_dev, &freq_Hz);
 		if (IS_ERR(opp)) {
+			rcu_read_unlock();
 			pr_err("failed to find OPP for %ld\n", freq_Hz);
 			return PTR_ERR(opp);
 		}
 		volt = opp_get_voltage(opp);
+		rcu_read_unlock();
 		tol = volt * voltage_tolerance / 100;
 		volt_old = regulator_get_voltage(cpu_reg);
 	}
@@ -236,12 +239,14 @@
 		 */
 		for (i = 0; freq_table[i].frequency != CPUFREQ_TABLE_END; i++)
 			;
+		rcu_read_lock();
 		opp = opp_find_freq_exact(cpu_dev,
 				freq_table[0].frequency * 1000, true);
 		min_uV = opp_get_voltage(opp);
 		opp = opp_find_freq_exact(cpu_dev,
 				freq_table[i-1].frequency * 1000, true);
 		max_uV = opp_get_voltage(opp);
+		rcu_read_unlock();
 		ret = regulator_set_voltage_time(cpu_reg, min_uV, max_uV);
 		if (ret > 0)
 			transition_latency += ret * 1000;
diff --git a/drivers/cpufreq/omap-cpufreq.c b/drivers/cpufreq/omap-cpufreq.c
index 1f3417a..97102b0 100644
--- a/drivers/cpufreq/omap-cpufreq.c
+++ b/drivers/cpufreq/omap-cpufreq.c
@@ -110,13 +110,16 @@
 	freq = ret;
 
 	if (mpu_reg) {
+		rcu_read_lock();
 		opp = opp_find_freq_ceil(mpu_dev, &freq);
 		if (IS_ERR(opp)) {
+			rcu_read_unlock();
 			dev_err(mpu_dev, "%s: unable to find MPU OPP for %d\n",
 				__func__, freqs.new);
 			return -EINVAL;
 		}
 		volt = opp_get_voltage(opp);
+		rcu_read_unlock();
 		tol = volt * OPP_TOLERANCE / 100;
 		volt_old = regulator_get_voltage(mpu_reg);
 	}
diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index 53766f3..3b36797 100644
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -994,6 +994,11 @@
  * @freq:	The frequency given to target function
  * @flags:	Flags handed from devfreq framework.
  *
+ * Locking: This function must be called under rcu_read_lock(). opp is a rcu
+ * protected pointer. The reason for the same is that the opp pointer which is
+ * returned will remain valid for use with opp_get_{voltage, freq} only while
+ * under the locked area. The pointer returned must be used prior to unlocking
+ * with rcu_read_unlock() to maintain the integrity of the pointer.
  */
 struct opp *devfreq_recommended_opp(struct device *dev, unsigned long *freq,
 				    u32 flags)
diff --git a/drivers/devfreq/exynos4_bus.c b/drivers/devfreq/exynos4_bus.c
index 80c745e..46d94e9 100644
--- a/drivers/devfreq/exynos4_bus.c
+++ b/drivers/devfreq/exynos4_bus.c
@@ -73,6 +73,16 @@
 #define EX4210_LV_NUM	(LV_2 + 1)
 #define EX4x12_LV_NUM	(LV_4 + 1)
 
+/**
+ * struct busfreq_opp_info - opp information for bus
+ * @rate:	Frequency in hertz
+ * @volt:	Voltage in microvolts corresponding to this OPP
+ */
+struct busfreq_opp_info {
+	unsigned long rate;
+	unsigned long volt;
+};
+
 struct busfreq_data {
 	enum exynos4_busf_type type;
 	struct device *dev;
@@ -80,7 +90,7 @@
 	bool disabled;
 	struct regulator *vdd_int;
 	struct regulator *vdd_mif; /* Exynos4412/4212 only */
-	struct opp *curr_opp;
+	struct busfreq_opp_info curr_oppinfo;
 	struct exynos4_ppmu dmc[2];
 
 	struct notifier_block pm_notifier;
@@ -296,13 +306,14 @@
 };
 
 
-static int exynos4210_set_busclk(struct busfreq_data *data, struct opp *opp)
+static int exynos4210_set_busclk(struct busfreq_data *data,
+				 struct busfreq_opp_info *oppi)
 {
 	unsigned int index;
 	unsigned int tmp;
 
 	for (index = LV_0; index < EX4210_LV_NUM; index++)
-		if (opp_get_freq(opp) == exynos4210_busclk_table[index].clk)
+		if (oppi->rate == exynos4210_busclk_table[index].clk)
 			break;
 
 	if (index == EX4210_LV_NUM)
@@ -361,13 +372,14 @@
 	return 0;
 }
 
-static int exynos4x12_set_busclk(struct busfreq_data *data, struct opp *opp)
+static int exynos4x12_set_busclk(struct busfreq_data *data,
+				 struct busfreq_opp_info *oppi)
 {
 	unsigned int index;
 	unsigned int tmp;
 
 	for (index = LV_0; index < EX4x12_LV_NUM; index++)
-		if (opp_get_freq(opp) == exynos4x12_mifclk_table[index].clk)
+		if (oppi->rate == exynos4x12_mifclk_table[index].clk)
 			break;
 
 	if (index == EX4x12_LV_NUM)
@@ -576,11 +588,12 @@
 	return -EINVAL;
 }
 
-static int exynos4_bus_setvolt(struct busfreq_data *data, struct opp *opp,
-			       struct opp *oldopp)
+static int exynos4_bus_setvolt(struct busfreq_data *data,
+			       struct busfreq_opp_info *oppi,
+			       struct busfreq_opp_info *oldoppi)
 {
 	int err = 0, tmp;
-	unsigned long volt = opp_get_voltage(opp);
+	unsigned long volt = oppi->volt;
 
 	switch (data->type) {
 	case TYPE_BUSF_EXYNOS4210:
@@ -595,11 +608,11 @@
 		if (err)
 			break;
 
-		tmp = exynos4x12_get_intspec(opp_get_freq(opp));
+		tmp = exynos4x12_get_intspec(oppi->rate);
 		if (tmp < 0) {
 			err = tmp;
 			regulator_set_voltage(data->vdd_mif,
-					      opp_get_voltage(oldopp),
+					      oldoppi->volt,
 					      MAX_SAFEVOLT);
 			break;
 		}
@@ -609,7 +622,7 @@
 		/*  Try to recover */
 		if (err)
 			regulator_set_voltage(data->vdd_mif,
-					      opp_get_voltage(oldopp),
+					      oldoppi->volt,
 					      MAX_SAFEVOLT);
 		break;
 	default:
@@ -626,17 +639,26 @@
 	struct platform_device *pdev = container_of(dev, struct platform_device,
 						    dev);
 	struct busfreq_data *data = platform_get_drvdata(pdev);
-	struct opp *opp = devfreq_recommended_opp(dev, _freq, flags);
-	unsigned long freq = opp_get_freq(opp);
-	unsigned long old_freq = opp_get_freq(data->curr_opp);
+	struct opp *opp;
+	unsigned long freq;
+	unsigned long old_freq = data->curr_oppinfo.rate;
+	struct busfreq_opp_info	new_oppinfo;
 
-	if (IS_ERR(opp))
+	rcu_read_lock();
+	opp = devfreq_recommended_opp(dev, _freq, flags);
+	if (IS_ERR(opp)) {
+		rcu_read_unlock();
 		return PTR_ERR(opp);
+	}
+	new_oppinfo.rate = opp_get_freq(opp);
+	new_oppinfo.volt = opp_get_voltage(opp);
+	rcu_read_unlock();
+	freq = new_oppinfo.rate;
 
 	if (old_freq == freq)
 		return 0;
 
-	dev_dbg(dev, "targetting %lukHz %luuV\n", freq, opp_get_voltage(opp));
+	dev_dbg(dev, "targetting %lukHz %luuV\n", freq, new_oppinfo.volt);
 
 	mutex_lock(&data->lock);
 
@@ -644,17 +666,18 @@
 		goto out;
 
 	if (old_freq < freq)
-		err = exynos4_bus_setvolt(data, opp, data->curr_opp);
+		err = exynos4_bus_setvolt(data, &new_oppinfo,
+					  &data->curr_oppinfo);
 	if (err)
 		goto out;
 
 	if (old_freq != freq) {
 		switch (data->type) {
 		case TYPE_BUSF_EXYNOS4210:
-			err = exynos4210_set_busclk(data, opp);
+			err = exynos4210_set_busclk(data, &new_oppinfo);
 			break;
 		case TYPE_BUSF_EXYNOS4x12:
-			err = exynos4x12_set_busclk(data, opp);
+			err = exynos4x12_set_busclk(data, &new_oppinfo);
 			break;
 		default:
 			err = -EINVAL;
@@ -664,11 +687,12 @@
 		goto out;
 
 	if (old_freq > freq)
-		err = exynos4_bus_setvolt(data, opp, data->curr_opp);
+		err = exynos4_bus_setvolt(data, &new_oppinfo,
+					  &data->curr_oppinfo);
 	if (err)
 		goto out;
 
-	data->curr_opp = opp;
+	data->curr_oppinfo = new_oppinfo;
 out:
 	mutex_unlock(&data->lock);
 	return err;
@@ -702,7 +726,7 @@
 
 	exynos4_read_ppmu(data);
 	busier_dmc = exynos4_get_busier_dmc(data);
-	stat->current_frequency = opp_get_freq(data->curr_opp);
+	stat->current_frequency = data->curr_oppinfo.rate;
 
 	if (busier_dmc)
 		addr = S5P_VA_DMC1;
@@ -933,6 +957,7 @@
 	struct busfreq_data *data = container_of(this, struct busfreq_data,
 						 pm_notifier);
 	struct opp *opp;
+	struct busfreq_opp_info	new_oppinfo;
 	unsigned long maxfreq = ULONG_MAX;
 	int err = 0;
 
@@ -943,18 +968,29 @@
 
 		data->disabled = true;
 
+		rcu_read_lock();
 		opp = opp_find_freq_floor(data->dev, &maxfreq);
+		if (IS_ERR(opp)) {
+			rcu_read_unlock();
+			dev_err(data->dev, "%s: unable to find a min freq\n",
+				__func__);
+			return PTR_ERR(opp);
+		}
+		new_oppinfo.rate = opp_get_freq(opp);
+		new_oppinfo.volt = opp_get_voltage(opp);
+		rcu_read_unlock();
 
-		err = exynos4_bus_setvolt(data, opp, data->curr_opp);
+		err = exynos4_bus_setvolt(data, &new_oppinfo,
+					  &data->curr_oppinfo);
 		if (err)
 			goto unlock;
 
 		switch (data->type) {
 		case TYPE_BUSF_EXYNOS4210:
-			err = exynos4210_set_busclk(data, opp);
+			err = exynos4210_set_busclk(data, &new_oppinfo);
 			break;
 		case TYPE_BUSF_EXYNOS4x12:
-			err = exynos4x12_set_busclk(data, opp);
+			err = exynos4x12_set_busclk(data, &new_oppinfo);
 			break;
 		default:
 			err = -EINVAL;
@@ -962,7 +998,7 @@
 		if (err)
 			goto unlock;
 
-		data->curr_opp = opp;
+		data->curr_oppinfo = new_oppinfo;
 unlock:
 		mutex_unlock(&data->lock);
 		if (err)
@@ -1027,13 +1063,17 @@
 		}
 	}
 
+	rcu_read_lock();
 	opp = opp_find_freq_floor(dev, &exynos4_devfreq_profile.initial_freq);
 	if (IS_ERR(opp)) {
+		rcu_read_unlock();
 		dev_err(dev, "Invalid initial frequency %lu kHz.\n",
 			exynos4_devfreq_profile.initial_freq);
 		return PTR_ERR(opp);
 	}
-	data->curr_opp = opp;
+	data->curr_oppinfo.rate = opp_get_freq(opp);
+	data->curr_oppinfo.volt = opp_get_voltage(opp);
+	rcu_read_unlock();
 
 	platform_set_drvdata(pdev, data);
 
diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c
index dbf0e6f..a7dcf78 100644
--- a/drivers/dma/imx-dma.c
+++ b/drivers/dma/imx-dma.c
@@ -684,9 +684,8 @@
 			break;
 		}
 
-		imxdmac->hw_chaining = 1;
-		if (!imxdma_hw_chain(imxdmac))
-			return -EINVAL;
+		imxdmac->hw_chaining = 0;
+
 		imxdmac->ccr_from_device = (mode | IMX_DMA_TYPE_FIFO) |
 			((IMX_DMA_MEMSIZE_32 | IMX_DMA_TYPE_LINEAR) << 2) |
 			CCR_REN;
diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c
index e5fc944..3e9d669 100644
--- a/drivers/dma/ioat/dma_v3.c
+++ b/drivers/dma/ioat/dma_v3.c
@@ -951,7 +951,7 @@
 			goto free_resources;
 		}
 	}
-	dma_sync_single_for_device(dev, dest_dma, PAGE_SIZE, DMA_TO_DEVICE);
+	dma_sync_single_for_device(dev, dest_dma, PAGE_SIZE, DMA_FROM_DEVICE);
 
 	/* skip validate if the capability is not present */
 	if (!dma_has_cap(DMA_XOR_VAL, dma_chan->device->cap_mask))
diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c
index c39e61b..3cad856 100644
--- a/drivers/dma/tegra20-apb-dma.c
+++ b/drivers/dma/tegra20-apb-dma.c
@@ -266,6 +266,7 @@
 		if (async_tx_test_ack(&dma_desc->txd)) {
 			list_del(&dma_desc->node);
 			spin_unlock_irqrestore(&tdc->lock, flags);
+			dma_desc->txd.flags = 0;
 			return dma_desc;
 		}
 	}
@@ -1050,7 +1051,9 @@
 					TEGRA_APBDMA_AHBSEQ_WRAP_SHIFT;
 	ahb_seq |= TEGRA_APBDMA_AHBSEQ_BUS_WIDTH_32;
 
-	csr |= TEGRA_APBDMA_CSR_FLOW | TEGRA_APBDMA_CSR_IE_EOC;
+	csr |= TEGRA_APBDMA_CSR_FLOW;
+	if (flags & DMA_PREP_INTERRUPT)
+		csr |= TEGRA_APBDMA_CSR_IE_EOC;
 	csr |= tdc->dma_sconfig.slave_id << TEGRA_APBDMA_CSR_REQ_SEL_SHIFT;
 
 	apb_seq |= TEGRA_APBDMA_APBSEQ_WRAP_WORD_1;
@@ -1095,7 +1098,8 @@
 		mem += len;
 	}
 	sg_req->last_sg = true;
-	dma_desc->txd.flags = 0;
+	if (flags & DMA_CTRL_ACK)
+		dma_desc->txd.flags = DMA_CTRL_ACK;
 
 	/*
 	 * Make sure that mode should not be conflicting with currently
diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
index 281f566..d1e9eb1 100644
--- a/drivers/edac/edac_mc.c
+++ b/drivers/edac/edac_mc.c
@@ -340,7 +340,7 @@
 	/*
 	 * Alocate and fill the csrow/channels structs
 	 */
-	mci->csrows = kcalloc(sizeof(*mci->csrows), tot_csrows, GFP_KERNEL);
+	mci->csrows = kcalloc(tot_csrows, sizeof(*mci->csrows), GFP_KERNEL);
 	if (!mci->csrows)
 		goto error;
 	for (row = 0; row < tot_csrows; row++) {
@@ -351,7 +351,7 @@
 		csr->csrow_idx = row;
 		csr->mci = mci;
 		csr->nr_channels = tot_channels;
-		csr->channels = kcalloc(sizeof(*csr->channels), tot_channels,
+		csr->channels = kcalloc(tot_channels, sizeof(*csr->channels),
 					GFP_KERNEL);
 		if (!csr->channels)
 			goto error;
@@ -369,7 +369,7 @@
 	/*
 	 * Allocate and fill the dimm structs
 	 */
-	mci->dimms  = kcalloc(sizeof(*mci->dimms), tot_dimms, GFP_KERNEL);
+	mci->dimms  = kcalloc(tot_dimms, sizeof(*mci->dimms), GFP_KERNEL);
 	if (!mci->dimms)
 		goto error;
 
diff --git a/drivers/edac/edac_pci_sysfs.c b/drivers/edac/edac_pci_sysfs.c
index dc6e905..0056c4d 100644
--- a/drivers/edac/edac_pci_sysfs.c
+++ b/drivers/edac/edac_pci_sysfs.c
@@ -256,7 +256,7 @@
 	struct edac_pci_dev_attribute *edac_pci_dev;
 	edac_pci_dev = (struct edac_pci_dev_attribute *)attr;
 
-	if (edac_pci_dev->show)
+	if (edac_pci_dev->store)
 		return edac_pci_dev->store(edac_pci_dev->value, buffer, count);
 	return -EIO;
 }
diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c
index fd3ae62..982f1f5 100644
--- a/drivers/firmware/dmi_scan.c
+++ b/drivers/firmware/dmi_scan.c
@@ -471,7 +471,7 @@
 	char __iomem *p, *q;
 	int rc;
 
-	if (efi_enabled) {
+	if (efi_enabled(EFI_CONFIG_TABLES)) {
 		if (efi.smbios == EFI_INVALID_TABLE_ADDR)
 			goto error;
 
diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c
index 7b1c374..f5596db 100644
--- a/drivers/firmware/efivars.c
+++ b/drivers/firmware/efivars.c
@@ -674,7 +674,7 @@
 		err = -EACCES;
 		break;
 	case EFI_NOT_FOUND:
-		err = -ENOENT;
+		err = -EIO;
 		break;
 	default:
 		err = -EINVAL;
@@ -793,6 +793,7 @@
 		spin_unlock(&efivars->lock);
 		efivar_unregister(var);
 		drop_nlink(inode);
+		d_delete(file->f_dentry);
 		dput(file->f_dentry);
 
 	} else {
@@ -994,7 +995,7 @@
 		list_del(&var->list);
 		spin_unlock(&efivars->lock);
 		efivar_unregister(var);
-		drop_nlink(dir);
+		drop_nlink(dentry->d_inode);
 		dput(dentry);
 		return 0;
 	}
@@ -1782,7 +1783,7 @@
 	printk(KERN_INFO "EFI Variables Facility v%s %s\n", EFIVARS_VERSION,
 	       EFIVARS_DATE);
 
-	if (!efi_enabled)
+	if (!efi_enabled(EFI_RUNTIME_SERVICES))
 		return 0;
 
 	/* For now we'll register the efi directory at /sys/firmware/efi */
@@ -1822,7 +1823,7 @@
 static void __exit
 efivars_exit(void)
 {
-	if (efi_enabled) {
+	if (efi_enabled(EFI_RUNTIME_SERVICES)) {
 		unregister_efivars(&__efivars);
 		kobject_put(efi_kobj);
 	}
diff --git a/drivers/firmware/iscsi_ibft_find.c b/drivers/firmware/iscsi_ibft_find.c
index 4da4eb9..2224f1d 100644
--- a/drivers/firmware/iscsi_ibft_find.c
+++ b/drivers/firmware/iscsi_ibft_find.c
@@ -99,7 +99,7 @@
 	/* iBFT 1.03 section 1.4.3.1 mandates that UEFI machines will
 	 * only use ACPI for this */
 
-	if (!efi_enabled)
+	if (!efi_enabled(EFI_BOOT))
 		find_ibft_in_mem();
 
 	if (ibft_addr) {
diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c
index 7d9bd94..6819d63 100644
--- a/drivers/gpio/gpio-mvebu.c
+++ b/drivers/gpio/gpio-mvebu.c
@@ -547,7 +547,6 @@
 	mvchip->membase = devm_request_and_ioremap(&pdev->dev, res);
 	if (! mvchip->membase) {
 		dev_err(&pdev->dev, "Cannot ioremap\n");
-		kfree(mvchip->chip.label);
 		return -ENOMEM;
 	}
 
@@ -557,14 +556,12 @@
 		res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
 		if (! res) {
 			dev_err(&pdev->dev, "Cannot get memory resource\n");
-			kfree(mvchip->chip.label);
 			return -ENODEV;
 		}
 
 		mvchip->percpu_membase = devm_request_and_ioremap(&pdev->dev, res);
 		if (! mvchip->percpu_membase) {
 			dev_err(&pdev->dev, "Cannot ioremap\n");
-			kfree(mvchip->chip.label);
 			return -ENOMEM;
 		}
 	}
@@ -625,7 +622,6 @@
 	mvchip->irqbase = irq_alloc_descs(-1, 0, ngpios, -1);
 	if (mvchip->irqbase < 0) {
 		dev_err(&pdev->dev, "no irqs\n");
-		kfree(mvchip->chip.label);
 		return -ENOMEM;
 	}
 
@@ -633,7 +629,6 @@
 				    mvchip->membase, handle_level_irq);
 	if (! gc) {
 		dev_err(&pdev->dev, "Cannot allocate generic irq_chip\n");
-		kfree(mvchip->chip.label);
 		return -ENOMEM;
 	}
 
@@ -668,7 +663,6 @@
 		irq_remove_generic_chip(gc, IRQ_MSK(ngpios), IRQ_NOREQUEST,
 					IRQ_LEVEL | IRQ_NOPROBE);
 		kfree(gc);
-		kfree(mvchip->chip.label);
 		return -ENODEV;
 	}
 
diff --git a/drivers/gpio/gpio-samsung.c b/drivers/gpio/gpio-samsung.c
index 01f7fe9..76be7ee 100644
--- a/drivers/gpio/gpio-samsung.c
+++ b/drivers/gpio/gpio-samsung.c
@@ -32,7 +32,6 @@
 
 #include <mach/hardware.h>
 #include <mach/map.h>
-#include <mach/regs-clock.h>
 #include <mach/regs-gpio.h>
 
 #include <plat/cpu.h>
@@ -446,7 +445,7 @@
 };
 #endif
 
-#if defined(CONFIG_ARCH_EXYNOS4) || defined(CONFIG_ARCH_EXYNOS5)
+#if defined(CONFIG_ARCH_EXYNOS4) || defined(CONFIG_SOC_EXYNOS5250)
 static struct samsung_gpio_cfg exynos_gpio_cfg = {
 	.set_pull	= exynos_gpio_setpull,
 	.get_pull	= exynos_gpio_getpull,
@@ -2446,7 +2445,7 @@
 };
 #endif
 
-#ifdef CONFIG_ARCH_EXYNOS5
+#ifdef CONFIG_SOC_EXYNOS5250
 static struct samsung_gpio_chip exynos5_gpios_1[] = {
 	{
 		.chip	= {
@@ -2614,7 +2613,7 @@
 };
 #endif
 
-#ifdef CONFIG_ARCH_EXYNOS5
+#ifdef CONFIG_SOC_EXYNOS5250
 static struct samsung_gpio_chip exynos5_gpios_2[] = {
 	{
 		.chip	= {
@@ -2675,7 +2674,7 @@
 };
 #endif
 
-#ifdef CONFIG_ARCH_EXYNOS5
+#ifdef CONFIG_SOC_EXYNOS5250
 static struct samsung_gpio_chip exynos5_gpios_3[] = {
 	{
 		.chip	= {
@@ -2711,7 +2710,7 @@
 };
 #endif
 
-#ifdef CONFIG_ARCH_EXYNOS5
+#ifdef CONFIG_SOC_EXYNOS5250
 static struct samsung_gpio_chip exynos5_gpios_4[] = {
 	{
 		.chip	= {
@@ -3010,7 +3009,7 @@
 	int i, nr_chips;
 	int group = 0;
 
-#ifdef CONFIG_PINCTRL_SAMSUNG
+#if defined(CONFIG_PINCTRL_EXYNOS) || defined(CONFIG_PINCTRL_EXYNOS5440)
 	/*
 	* This gpio driver includes support for device tree support and there
 	* are platforms using it. In order to maintain compatibility with those
@@ -3026,6 +3025,7 @@
 	static const struct of_device_id exynos_pinctrl_ids[] = {
 		{ .compatible = "samsung,pinctrl-exynos4210", },
 		{ .compatible = "samsung,pinctrl-exynos4x12", },
+		{ .compatible = "samsung,pinctrl-exynos5440", },
 	};
 	for_each_matching_node(pctrl_np, exynos_pinctrl_ids)
 		if (pctrl_np && of_device_is_available(pctrl_np))
diff --git a/drivers/gpu/drm/exynos/Kconfig b/drivers/gpu/drm/exynos/Kconfig
index 1d1f1e5..046bcda 100644
--- a/drivers/gpu/drm/exynos/Kconfig
+++ b/drivers/gpu/drm/exynos/Kconfig
@@ -24,7 +24,7 @@
 
 config DRM_EXYNOS_FIMD
 	bool "Exynos DRM FIMD"
-	depends on DRM_EXYNOS && !FB_S3C
+	depends on DRM_EXYNOS && !FB_S3C && !ARCH_MULTIPLATFORM
 	help
 	  Choose this option if you want to use Exynos FIMD for DRM.
 
@@ -48,7 +48,7 @@
 
 config DRM_EXYNOS_IPP
 	bool "Exynos DRM IPP"
-	depends on DRM_EXYNOS
+	depends on DRM_EXYNOS && !ARCH_MULTIPLATFORM
 	help
 	  Choose this option if you want to use IPP feature for DRM.
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_connector.c b/drivers/gpu/drm/exynos/exynos_drm_connector.c
index ab37437..4c5b685 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_connector.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_connector.c
@@ -18,7 +18,6 @@
 #include "exynos_drm_drv.h"
 #include "exynos_drm_encoder.h"
 
-#define MAX_EDID 256
 #define to_exynos_connector(x)	container_of(x, struct exynos_drm_connector,\
 				drm_connector)
 
@@ -96,7 +95,9 @@
 					to_exynos_connector(connector);
 	struct exynos_drm_manager *manager = exynos_connector->manager;
 	struct exynos_drm_display_ops *display_ops = manager->display_ops;
-	unsigned int count;
+	struct edid *edid = NULL;
+	unsigned int count = 0;
+	int ret;
 
 	DRM_DEBUG_KMS("%s\n", __FILE__);
 
@@ -114,27 +115,21 @@
 	 * because lcd panel has only one mode.
 	 */
 	if (display_ops->get_edid) {
-		int ret;
-		void *edid;
-
-		edid = kzalloc(MAX_EDID, GFP_KERNEL);
-		if (!edid) {
-			DRM_ERROR("failed to allocate edid\n");
-			return 0;
+		edid = display_ops->get_edid(manager->dev, connector);
+		if (IS_ERR_OR_NULL(edid)) {
+			ret = PTR_ERR(edid);
+			edid = NULL;
+			DRM_ERROR("Panel operation get_edid failed %d\n", ret);
+			goto out;
 		}
 
-		ret = display_ops->get_edid(manager->dev, connector,
-						edid, MAX_EDID);
-		if (ret < 0) {
-			DRM_ERROR("failed to get edid data.\n");
-			kfree(edid);
-			edid = NULL;
-			return 0;
+		count = drm_add_edid_modes(connector, edid);
+		if (count < 0) {
+			DRM_ERROR("Add edid modes failed %d\n", count);
+			goto out;
 		}
 
 		drm_mode_connector_update_edid_property(connector, edid);
-		count = drm_add_edid_modes(connector, edid);
-		kfree(edid);
 	} else {
 		struct exynos_drm_panel_info *panel;
 		struct drm_display_mode *mode = drm_mode_create(connector->dev);
@@ -161,6 +156,8 @@
 		count = 1;
 	}
 
+out:
+	kfree(edid);
 	return count;
 }
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c
index 9df9771..ba0a3aa 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c
@@ -19,6 +19,7 @@
 struct exynos_drm_dmabuf_attachment {
 	struct sg_table sgt;
 	enum dma_data_direction dir;
+	bool is_mapped;
 };
 
 static int exynos_gem_attach_dma_buf(struct dma_buf *dmabuf,
@@ -72,17 +73,10 @@
 
 	DRM_DEBUG_PRIME("%s\n", __FILE__);
 
-	if (WARN_ON(dir == DMA_NONE))
-		return ERR_PTR(-EINVAL);
-
 	/* just return current sgt if already requested. */
-	if (exynos_attach->dir == dir)
+	if (exynos_attach->dir == dir && exynos_attach->is_mapped)
 		return &exynos_attach->sgt;
 
-	/* reattaching is not allowed. */
-	if (WARN_ON(exynos_attach->dir != DMA_NONE))
-		return ERR_PTR(-EBUSY);
-
 	buf = gem_obj->buffer;
 	if (!buf) {
 		DRM_ERROR("buffer is null.\n");
@@ -107,13 +101,17 @@
 		wr = sg_next(wr);
 	}
 
-	nents = dma_map_sg(attach->dev, sgt->sgl, sgt->orig_nents, dir);
-	if (!nents) {
-		DRM_ERROR("failed to map sgl with iommu.\n");
-		sgt = ERR_PTR(-EIO);
-		goto err_unlock;
+	if (dir != DMA_NONE) {
+		nents = dma_map_sg(attach->dev, sgt->sgl, sgt->orig_nents, dir);
+		if (!nents) {
+			DRM_ERROR("failed to map sgl with iommu.\n");
+			sg_free_table(sgt);
+			sgt = ERR_PTR(-EIO);
+			goto err_unlock;
+		}
 	}
 
+	exynos_attach->is_mapped = true;
 	exynos_attach->dir = dir;
 	attach->priv = exynos_attach;
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index b9e51bc..4606fac7 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -148,8 +148,8 @@
 struct exynos_drm_display_ops {
 	enum exynos_drm_output_type type;
 	bool (*is_connected)(struct device *dev);
-	int (*get_edid)(struct device *dev, struct drm_connector *connector,
-				u8 *edid, int len);
+	struct edid *(*get_edid)(struct device *dev,
+			struct drm_connector *connector);
 	void *(*get_panel)(struct device *dev);
 	int (*check_timing)(struct device *dev, void *timing);
 	int (*power_on)(struct device *dev, int mode);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c
index 36c3905..9a4c08e 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c
@@ -324,7 +324,7 @@
 	g2d_userptr = NULL;
 }
 
-dma_addr_t *g2d_userptr_get_dma_addr(struct drm_device *drm_dev,
+static dma_addr_t *g2d_userptr_get_dma_addr(struct drm_device *drm_dev,
 					unsigned long userptr,
 					unsigned long size,
 					struct drm_file *filp,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
index 850e995..2864453 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
@@ -108,18 +108,17 @@
 	return false;
 }
 
-static int drm_hdmi_get_edid(struct device *dev,
-		struct drm_connector *connector, u8 *edid, int len)
+static struct edid *drm_hdmi_get_edid(struct device *dev,
+			struct drm_connector *connector)
 {
 	struct drm_hdmi_context *ctx = to_context(dev);
 
 	DRM_DEBUG_KMS("%s\n", __FILE__);
 
 	if (hdmi_ops && hdmi_ops->get_edid)
-		return hdmi_ops->get_edid(ctx->hdmi_ctx->ctx, connector, edid,
-					  len);
+		return hdmi_ops->get_edid(ctx->hdmi_ctx->ctx, connector);
 
-	return 0;
+	return NULL;
 }
 
 static int drm_hdmi_check_timing(struct device *dev, void *timing)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.h b/drivers/gpu/drm/exynos/exynos_drm_hdmi.h
index 784a7e9..d80516f 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.h
@@ -30,8 +30,8 @@
 struct exynos_hdmi_ops {
 	/* display */
 	bool (*is_connected)(void *ctx);
-	int (*get_edid)(void *ctx, struct drm_connector *connector,
-			u8 *edid, int len);
+	struct edid *(*get_edid)(void *ctx,
+			struct drm_connector *connector);
 	int (*check_timing)(void *ctx, void *timing);
 	int (*power_on)(void *ctx, int mode);
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.c b/drivers/gpu/drm/exynos/exynos_drm_ipp.c
index 0bda964..1a55635 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_ipp.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_ipp.c
@@ -869,7 +869,7 @@
 	}
 }
 
-void ipp_handle_cmd_work(struct device *dev,
+static void ipp_handle_cmd_work(struct device *dev,
 		struct exynos_drm_ippdrv *ippdrv,
 		struct drm_exynos_ipp_cmd_work *cmd_work,
 		struct drm_exynos_ipp_cmd_node *c_node)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_rotator.c b/drivers/gpu/drm/exynos/exynos_drm_rotator.c
index e9e83ef..f976e29 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_rotator.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_rotator.c
@@ -734,7 +734,7 @@
 	return 0;
 }
 
-struct rot_limit_table rot_limit_tbl = {
+static struct rot_limit_table rot_limit_tbl = {
 	.ycbcr420_2p = {
 		.min_w = 32,
 		.min_h = 32,
@@ -751,7 +751,7 @@
 	},
 };
 
-struct platform_device_id rotator_driver_ids[] = {
+static struct platform_device_id rotator_driver_ids[] = {
 	{
 		.name		= "exynos-rot",
 		.driver_data	= (unsigned long)&rot_limit_tbl,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
index d0ca3c4..13ccbd4 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
@@ -98,10 +98,12 @@
 	return ctx->connected ? true : false;
 }
 
-static int vidi_get_edid(struct device *dev, struct drm_connector *connector,
-				u8 *edid, int len)
+static struct edid *vidi_get_edid(struct device *dev,
+			struct drm_connector *connector)
 {
 	struct vidi_context *ctx = get_vidi_context(dev);
+	struct edid *edid;
+	int edid_len;
 
 	DRM_DEBUG_KMS("%s\n", __FILE__);
 
@@ -111,13 +113,18 @@
 	 */
 	if (!ctx->raw_edid) {
 		DRM_DEBUG_KMS("raw_edid is null.\n");
-		return -EFAULT;
+		return ERR_PTR(-EFAULT);
 	}
 
-	memcpy(edid, ctx->raw_edid, min((1 + ctx->raw_edid->extensions)
-					* EDID_LENGTH, len));
+	edid_len = (1 + ctx->raw_edid->extensions) * EDID_LENGTH;
+	edid = kzalloc(edid_len, GFP_KERNEL);
+	if (!edid) {
+		DRM_DEBUG_KMS("failed to allocate edid\n");
+		return ERR_PTR(-ENOMEM);
+	}
 
-	return 0;
+	memcpy(edid, ctx->raw_edid, edid_len);
+	return edid;
 }
 
 static void *vidi_get_panel(struct device *dev)
@@ -514,7 +521,6 @@
 	struct exynos_drm_manager *manager;
 	struct exynos_drm_display_ops *display_ops;
 	struct drm_exynos_vidi_connection *vidi = data;
-	struct edid *raw_edid;
 	int edid_len;
 
 	DRM_DEBUG_KMS("%s\n", __FILE__);
@@ -551,11 +557,11 @@
 	}
 
 	if (vidi->connection) {
-		if (!vidi->edid) {
-			DRM_DEBUG_KMS("edid data is null.\n");
+		struct edid *raw_edid  = (struct edid *)(uint32_t)vidi->edid;
+		if (!drm_edid_is_valid(raw_edid)) {
+			DRM_DEBUG_KMS("edid data is invalid.\n");
 			return -EINVAL;
 		}
-		raw_edid = (struct edid *)(uint32_t)vidi->edid;
 		edid_len = (1 + raw_edid->extensions) * EDID_LENGTH;
 		ctx->raw_edid = kzalloc(edid_len, GFP_KERNEL);
 		if (!ctx->raw_edid) {
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 41ff79d..fbab3c4 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -34,7 +34,6 @@
 #include <linux/regulator/consumer.h>
 #include <linux/io.h>
 #include <linux/of_gpio.h>
-#include <plat/gpio-cfg.h>
 
 #include <drm/exynos_drm.h>
 
@@ -98,8 +97,7 @@
 
 	void __iomem			*regs;
 	void				*parent_ctx;
-	int				external_irq;
-	int				internal_irq;
+	int				irq;
 
 	struct i2c_client		*ddc_port;
 	struct i2c_client		*hdmiphy_port;
@@ -1391,8 +1389,7 @@
 	return hdata->hpd;
 }
 
-static int hdmi_get_edid(void *ctx, struct drm_connector *connector,
-				u8 *edid, int len)
+static struct edid *hdmi_get_edid(void *ctx, struct drm_connector *connector)
 {
 	struct edid *raw_edid;
 	struct hdmi_context *hdata = ctx;
@@ -1400,22 +1397,18 @@
 	DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
 
 	if (!hdata->ddc_port)
-		return -ENODEV;
+		return ERR_PTR(-ENODEV);
 
 	raw_edid = drm_get_edid(connector, hdata->ddc_port->adapter);
-	if (raw_edid) {
-		hdata->dvi_mode = !drm_detect_hdmi_monitor(raw_edid);
-		memcpy(edid, raw_edid, min((1 + raw_edid->extensions)
-					* EDID_LENGTH, len));
-		DRM_DEBUG_KMS("%s : width[%d] x height[%d]\n",
-			(hdata->dvi_mode ? "dvi monitor" : "hdmi monitor"),
-			raw_edid->width_cm, raw_edid->height_cm);
-		kfree(raw_edid);
-	} else {
-		return -ENODEV;
-	}
+	if (!raw_edid)
+		return ERR_PTR(-ENODEV);
 
-	return 0;
+	hdata->dvi_mode = !drm_detect_hdmi_monitor(raw_edid);
+	DRM_DEBUG_KMS("%s : width[%d] x height[%d]\n",
+		(hdata->dvi_mode ? "dvi monitor" : "hdmi monitor"),
+		raw_edid->width_cm, raw_edid->height_cm);
+
+	return raw_edid;
 }
 
 static int hdmi_v13_check_timing(struct fb_videomode *check_timing)
@@ -1652,16 +1645,16 @@
 
 	/* resetting HDMI core */
 	hdmi_reg_writemask(hdata, reg,  0, HDMI_CORE_SW_RSTOUT);
-	mdelay(10);
+	usleep_range(10000, 12000);
 	hdmi_reg_writemask(hdata, reg, ~0, HDMI_CORE_SW_RSTOUT);
-	mdelay(10);
+	usleep_range(10000, 12000);
 }
 
 static void hdmi_conf_init(struct hdmi_context *hdata)
 {
 	struct hdmi_infoframe infoframe;
 
-	/* disable HPD interrupts */
+	/* disable HPD interrupts from HDMI IP block, use GPIO instead */
 	hdmi_reg_writemask(hdata, HDMI_INTC_CON, 0, HDMI_INTC_EN_GLOBAL |
 		HDMI_INTC_EN_HPD_PLUG | HDMI_INTC_EN_HPD_UNPLUG);
 
@@ -1779,7 +1772,7 @@
 		u32 val = hdmi_reg_read(hdata, HDMI_V13_PHY_STATUS);
 		if (val & HDMI_PHY_STATUS_READY)
 			break;
-		mdelay(1);
+		usleep_range(1000, 2000);
 	}
 	/* steady state not achieved */
 	if (tries == 0) {
@@ -1946,7 +1939,7 @@
 		u32 val = hdmi_reg_read(hdata, HDMI_PHY_STATUS_0);
 		if (val & HDMI_PHY_STATUS_READY)
 			break;
-		mdelay(1);
+		usleep_range(1000, 2000);
 	}
 	/* steady state not achieved */
 	if (tries == 0) {
@@ -1998,9 +1991,9 @@
 
 	/* reset hdmiphy */
 	hdmi_reg_writemask(hdata, reg, ~0, HDMI_PHY_SW_RSTOUT);
-	mdelay(10);
+	usleep_range(10000, 12000);
 	hdmi_reg_writemask(hdata, reg,  0, HDMI_PHY_SW_RSTOUT);
-	mdelay(10);
+	usleep_range(10000, 12000);
 }
 
 static void hdmiphy_poweron(struct hdmi_context *hdata)
@@ -2048,7 +2041,7 @@
 		return;
 	}
 
-	mdelay(10);
+	usleep_range(10000, 12000);
 
 	/* operation mode */
 	operation[0] = 0x1f;
@@ -2170,6 +2163,13 @@
 
 	DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
 
+	mutex_lock(&hdata->hdmi_mutex);
+	if (!hdata->powered) {
+		mutex_unlock(&hdata->hdmi_mutex);
+		return;
+	}
+	mutex_unlock(&hdata->hdmi_mutex);
+
 	hdmi_conf_apply(hdata);
 }
 
@@ -2265,7 +2265,7 @@
 	.dpms		= hdmi_dpms,
 };
 
-static irqreturn_t hdmi_external_irq_thread(int irq, void *arg)
+static irqreturn_t hdmi_irq_thread(int irq, void *arg)
 {
 	struct exynos_drm_hdmi_context *ctx = arg;
 	struct hdmi_context *hdata = ctx->ctx;
@@ -2280,31 +2280,6 @@
 	return IRQ_HANDLED;
 }
 
-static irqreturn_t hdmi_internal_irq_thread(int irq, void *arg)
-{
-	struct exynos_drm_hdmi_context *ctx = arg;
-	struct hdmi_context *hdata = ctx->ctx;
-	u32 intc_flag;
-
-	intc_flag = hdmi_reg_read(hdata, HDMI_INTC_FLAG);
-	/* clearing flags for HPD plug/unplug */
-	if (intc_flag & HDMI_INTC_FLAG_HPD_UNPLUG) {
-		DRM_DEBUG_KMS("unplugged\n");
-		hdmi_reg_writemask(hdata, HDMI_INTC_FLAG, ~0,
-			HDMI_INTC_FLAG_HPD_UNPLUG);
-	}
-	if (intc_flag & HDMI_INTC_FLAG_HPD_PLUG) {
-		DRM_DEBUG_KMS("plugged\n");
-		hdmi_reg_writemask(hdata, HDMI_INTC_FLAG, ~0,
-			HDMI_INTC_FLAG_HPD_PLUG);
-	}
-
-	if (ctx->drm_dev)
-		drm_helper_hpd_irq_event(ctx->drm_dev);
-
-	return IRQ_HANDLED;
-}
-
 static int hdmi_resources_init(struct hdmi_context *hdata)
 {
 	struct device *dev = hdata->dev;
@@ -2555,39 +2530,24 @@
 
 	hdata->hdmiphy_port = hdmi_hdmiphy;
 
-	hdata->external_irq = gpio_to_irq(hdata->hpd_gpio);
-	if (hdata->external_irq < 0) {
-		DRM_ERROR("failed to get GPIO external irq\n");
-		ret = hdata->external_irq;
-		goto err_hdmiphy;
-	}
-
-	hdata->internal_irq = platform_get_irq(pdev, 0);
-	if (hdata->internal_irq < 0) {
-		DRM_ERROR("failed to get platform internal irq\n");
-		ret = hdata->internal_irq;
+	hdata->irq = gpio_to_irq(hdata->hpd_gpio);
+	if (hdata->irq < 0) {
+		DRM_ERROR("failed to get GPIO irq\n");
+		ret = hdata->irq;
 		goto err_hdmiphy;
 	}
 
 	hdata->hpd = gpio_get_value(hdata->hpd_gpio);
 
-	ret = request_threaded_irq(hdata->external_irq, NULL,
-			hdmi_external_irq_thread, IRQF_TRIGGER_RISING |
+	ret = request_threaded_irq(hdata->irq, NULL,
+			hdmi_irq_thread, IRQF_TRIGGER_RISING |
 			IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
-			"hdmi_external", drm_hdmi_ctx);
+			"hdmi", drm_hdmi_ctx);
 	if (ret) {
-		DRM_ERROR("failed to register hdmi external interrupt\n");
+		DRM_ERROR("failed to register hdmi interrupt\n");
 		goto err_hdmiphy;
 	}
 
-	ret = request_threaded_irq(hdata->internal_irq, NULL,
-			hdmi_internal_irq_thread, IRQF_ONESHOT,
-			"hdmi_internal", drm_hdmi_ctx);
-	if (ret) {
-		DRM_ERROR("failed to register hdmi internal interrupt\n");
-		goto err_free_irq;
-	}
-
 	/* Attach HDMI Driver to common hdmi. */
 	exynos_hdmi_drv_attach(drm_hdmi_ctx);
 
@@ -2598,8 +2558,6 @@
 
 	return 0;
 
-err_free_irq:
-	free_irq(hdata->external_irq, drm_hdmi_ctx);
 err_hdmiphy:
 	i2c_del_driver(&hdmiphy_driver);
 err_ddc:
@@ -2617,8 +2575,7 @@
 
 	pm_runtime_disable(dev);
 
-	free_irq(hdata->internal_irq, hdata);
-	free_irq(hdata->external_irq, hdata);
+	free_irq(hdata->irq, hdata);
 
 
 	/* hdmiphy i2c driver */
@@ -2637,8 +2594,7 @@
 
 	DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
 
-	disable_irq(hdata->internal_irq);
-	disable_irq(hdata->external_irq);
+	disable_irq(hdata->irq);
 
 	hdata->hpd = false;
 	if (ctx->drm_dev)
@@ -2663,8 +2619,7 @@
 
 	hdata->hpd = gpio_get_value(hdata->hpd_gpio);
 
-	enable_irq(hdata->external_irq);
-	enable_irq(hdata->internal_irq);
+	enable_irq(hdata->irq);
 
 	if (!pm_runtime_suspended(dev)) {
 		DRM_DEBUG_KMS("%s : Already resumed\n", __func__);
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index c187ea3..c414584 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -600,7 +600,7 @@
 		/* waiting until VP_SRESET_PROCESSING is 0 */
 		if (~vp_reg_read(res, VP_SRESET) & VP_SRESET_PROCESSING)
 			break;
-		mdelay(10);
+		usleep_range(10000, 12000);
 	}
 	WARN(tries == 0, "failed to reset Video Processor\n");
 }
@@ -776,6 +776,13 @@
 
 	DRM_DEBUG_KMS("[%d] %s, win: %d\n", __LINE__, __func__, win);
 
+	mutex_lock(&mixer_ctx->mixer_mutex);
+	if (!mixer_ctx->powered) {
+		mutex_unlock(&mixer_ctx->mixer_mutex);
+		return;
+	}
+	mutex_unlock(&mixer_ctx->mixer_mutex);
+
 	if (win > 1 && mixer_ctx->vp_enabled)
 		vp_video_buffer(mixer_ctx, win);
 	else
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index e6a11ca8..9d4a2c2 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -30,6 +30,7 @@
 #include <linux/debugfs.h>
 #include <linux/slab.h>
 #include <linux/export.h>
+#include <generated/utsrelease.h>
 #include <drm/drmP.h>
 #include "intel_drv.h"
 #include "intel_ringbuffer.h"
@@ -641,6 +642,7 @@
 	seq_printf(m, "%s command stream:\n", ring_str(ring));
 	seq_printf(m, "  HEAD: 0x%08x\n", error->head[ring]);
 	seq_printf(m, "  TAIL: 0x%08x\n", error->tail[ring]);
+	seq_printf(m, "  CTL: 0x%08x\n", error->ctl[ring]);
 	seq_printf(m, "  ACTHD: 0x%08x\n", error->acthd[ring]);
 	seq_printf(m, "  IPEIR: 0x%08x\n", error->ipeir[ring]);
 	seq_printf(m, "  IPEHR: 0x%08x\n", error->ipehr[ring]);
@@ -689,10 +691,13 @@
 
 	seq_printf(m, "Time: %ld s %ld us\n", error->time.tv_sec,
 		   error->time.tv_usec);
+	seq_printf(m, "Kernel: " UTS_RELEASE);
 	seq_printf(m, "PCI ID: 0x%04x\n", dev->pci_device);
 	seq_printf(m, "EIR: 0x%08x\n", error->eir);
 	seq_printf(m, "IER: 0x%08x\n", error->ier);
 	seq_printf(m, "PGTBL_ER: 0x%08x\n", error->pgtbl_er);
+	seq_printf(m, "FORCEWAKE: 0x%08x\n", error->forcewake);
+	seq_printf(m, "DERRMR: 0x%08x\n", error->derrmr);
 	seq_printf(m, "CCID: 0x%08x\n", error->ccid);
 
 	for (i = 0; i < dev_priv->num_fence_regs; i++)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index ed30595..12ab3bd 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -188,10 +188,13 @@
 	u32 pgtbl_er;
 	u32 ier;
 	u32 ccid;
+	u32 derrmr;
+	u32 forcewake;
 	bool waiting[I915_NUM_RINGS];
 	u32 pipestat[I915_MAX_PIPES];
 	u32 tail[I915_NUM_RINGS];
 	u32 head[I915_NUM_RINGS];
+	u32 ctl[I915_NUM_RINGS];
 	u32 ipeir[I915_NUM_RINGS];
 	u32 ipehr[I915_NUM_RINGS];
 	u32 instdone[I915_NUM_RINGS];
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index d6a994a..26d08bb 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -539,6 +539,8 @@
 	total = 0;
 	for (i = 0; i < count; i++) {
 		struct drm_i915_gem_relocation_entry __user *user_relocs;
+		u64 invalid_offset = (u64)-1;
+		int j;
 
 		user_relocs = (void __user *)(uintptr_t)exec[i].relocs_ptr;
 
@@ -549,6 +551,25 @@
 			goto err;
 		}
 
+		/* As we do not update the known relocation offsets after
+		 * relocating (due to the complexities in lock handling),
+		 * we need to mark them as invalid now so that we force the
+		 * relocation processing next time. Just in case the target
+		 * object is evicted and then rebound into its old
+		 * presumed_offset before the next execbuffer - if that
+		 * happened we would make the mistake of assuming that the
+		 * relocations were valid.
+		 */
+		for (j = 0; j < exec[i].relocation_count; j++) {
+			if (copy_to_user(&user_relocs[j].presumed_offset,
+					 &invalid_offset,
+					 sizeof(invalid_offset))) {
+				ret = -EFAULT;
+				mutex_lock(&dev->struct_mutex);
+				goto err;
+			}
+		}
+
 		reloc_offset[i] = total;
 		total += exec[i].relocation_count;
 	}
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 2220dec..fe84338 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -1157,6 +1157,7 @@
 	error->acthd[ring->id] = intel_ring_get_active_head(ring);
 	error->head[ring->id] = I915_READ_HEAD(ring);
 	error->tail[ring->id] = I915_READ_TAIL(ring);
+	error->ctl[ring->id] = I915_READ_CTL(ring);
 
 	error->cpu_ring_head[ring->id] = ring->head;
 	error->cpu_ring_tail[ring->id] = ring->tail;
@@ -1251,6 +1252,16 @@
 	else
 		error->ier = I915_READ(IER);
 
+	if (INTEL_INFO(dev)->gen >= 6)
+		error->derrmr = I915_READ(DERRMR);
+
+	if (IS_VALLEYVIEW(dev))
+		error->forcewake = I915_READ(FORCEWAKE_VLV);
+	else if (INTEL_INFO(dev)->gen >= 7)
+		error->forcewake = I915_READ(FORCEWAKE_MT);
+	else if (INTEL_INFO(dev)->gen == 6)
+		error->forcewake = I915_READ(FORCEWAKE);
+
 	for_each_pipe(pipe)
 		error->pipestat[pipe] = I915_READ(PIPESTAT(pipe));
 
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 186ee5c..59afb7e 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -512,6 +512,8 @@
 #define GEN7_ERR_INT	0x44040
 #define   ERR_INT_MMIO_UNCLAIMED (1<<13)
 
+#define DERRMR		0x44050
+
 /* GM45+ chicken bits -- debug workaround bits that may be required
  * for various sorts of correct behavior.  The top 16 bits of each are
  * the enables for writing to the corresponding low bit.
@@ -531,6 +533,7 @@
 #define MI_MODE		0x0209c
 # define VS_TIMER_DISPATCH				(1 << 6)
 # define MI_FLUSH_ENABLE				(1 << 12)
+# define ASYNC_FLIP_PERF_DISABLE			(1 << 14)
 
 #define GEN6_GT_MODE	0x20d0
 #define   GEN6_GT_MODE_HI				(1 << 9)
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 1b63d55..fb3715b 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -2579,7 +2579,8 @@
 
 static void
 intel_dp_init_panel_power_sequencer(struct drm_device *dev,
-				    struct intel_dp *intel_dp)
+				    struct intel_dp *intel_dp,
+				    struct edp_power_seq *out)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct edp_power_seq cur, vbt, spec, final;
@@ -2650,16 +2651,35 @@
 	intel_dp->panel_power_cycle_delay = get_delay(t11_t12);
 #undef get_delay
 
+	DRM_DEBUG_KMS("panel power up delay %d, power down delay %d, power cycle delay %d\n",
+		      intel_dp->panel_power_up_delay, intel_dp->panel_power_down_delay,
+		      intel_dp->panel_power_cycle_delay);
+
+	DRM_DEBUG_KMS("backlight on delay %d, off delay %d\n",
+		      intel_dp->backlight_on_delay, intel_dp->backlight_off_delay);
+
+	if (out)
+		*out = final;
+}
+
+static void
+intel_dp_init_panel_power_sequencer_registers(struct drm_device *dev,
+					      struct intel_dp *intel_dp,
+					      struct edp_power_seq *seq)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	u32 pp_on, pp_off, pp_div;
+
 	/* And finally store the new values in the power sequencer. */
-	pp_on = (final.t1_t3 << PANEL_POWER_UP_DELAY_SHIFT) |
-		(final.t8 << PANEL_LIGHT_ON_DELAY_SHIFT);
-	pp_off = (final.t9 << PANEL_LIGHT_OFF_DELAY_SHIFT) |
-		 (final.t10 << PANEL_POWER_DOWN_DELAY_SHIFT);
+	pp_on = (seq->t1_t3 << PANEL_POWER_UP_DELAY_SHIFT) |
+		(seq->t8 << PANEL_LIGHT_ON_DELAY_SHIFT);
+	pp_off = (seq->t9 << PANEL_LIGHT_OFF_DELAY_SHIFT) |
+		 (seq->t10 << PANEL_POWER_DOWN_DELAY_SHIFT);
 	/* Compute the divisor for the pp clock, simply match the Bspec
 	 * formula. */
 	pp_div = ((100 * intel_pch_rawclk(dev))/2 - 1)
 			<< PP_REFERENCE_DIVIDER_SHIFT;
-	pp_div |= (DIV_ROUND_UP(final.t11_t12, 1000)
+	pp_div |= (DIV_ROUND_UP(seq->t11_t12, 1000)
 			<< PANEL_POWER_CYCLE_DELAY_SHIFT);
 
 	/* Haswell doesn't have any port selection bits for the panel
@@ -2675,14 +2695,6 @@
 	I915_WRITE(PCH_PP_OFF_DELAYS, pp_off);
 	I915_WRITE(PCH_PP_DIVISOR, pp_div);
 
-
-	DRM_DEBUG_KMS("panel power up delay %d, power down delay %d, power cycle delay %d\n",
-		      intel_dp->panel_power_up_delay, intel_dp->panel_power_down_delay,
-		      intel_dp->panel_power_cycle_delay);
-
-	DRM_DEBUG_KMS("backlight on delay %d, off delay %d\n",
-		      intel_dp->backlight_on_delay, intel_dp->backlight_off_delay);
-
 	DRM_DEBUG_KMS("panel power sequencer register settings: PP_ON %#x, PP_OFF %#x, PP_DIV %#x\n",
 		      I915_READ(PCH_PP_ON_DELAYS),
 		      I915_READ(PCH_PP_OFF_DELAYS),
@@ -2699,6 +2711,7 @@
 	struct drm_device *dev = intel_encoder->base.dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct drm_display_mode *fixed_mode = NULL;
+	struct edp_power_seq power_seq = { 0 };
 	enum port port = intel_dig_port->port;
 	const char *name = NULL;
 	int type;
@@ -2771,7 +2784,7 @@
 	}
 
 	if (is_edp(intel_dp))
-		intel_dp_init_panel_power_sequencer(dev, intel_dp);
+		intel_dp_init_panel_power_sequencer(dev, intel_dp, &power_seq);
 
 	intel_dp_i2c_init(intel_dp, intel_connector, name);
 
@@ -2798,6 +2811,10 @@
 			return;
 		}
 
+		/* We now know it's not a ghost, init power sequence regs. */
+		intel_dp_init_panel_power_sequencer_registers(dev, intel_dp,
+							      &power_seq);
+
 		ironlake_edp_panel_vdd_on(intel_dp);
 		edid = drm_get_edid(connector, &intel_dp->adapter);
 		if (edid) {
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index e83a117..3280cff 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4250,7 +4250,8 @@
 static void __gen6_gt_force_wake_mt_reset(struct drm_i915_private *dev_priv)
 {
 	I915_WRITE_NOTRACE(FORCEWAKE_MT, _MASKED_BIT_DISABLE(0xffff));
-	POSTING_READ(ECOBUS); /* something from same cacheline, but !FORCEWAKE */
+	/* something from same cacheline, but !FORCEWAKE_MT */
+	POSTING_READ(ECOBUS);
 }
 
 static void __gen6_gt_force_wake_mt_get(struct drm_i915_private *dev_priv)
@@ -4267,7 +4268,8 @@
 		DRM_ERROR("Timed out waiting for forcewake old ack to clear.\n");
 
 	I915_WRITE_NOTRACE(FORCEWAKE_MT, _MASKED_BIT_ENABLE(FORCEWAKE_KERNEL));
-	POSTING_READ(ECOBUS); /* something from same cacheline, but !FORCEWAKE */
+	/* something from same cacheline, but !FORCEWAKE_MT */
+	POSTING_READ(ECOBUS);
 
 	if (wait_for_atomic((I915_READ_NOTRACE(forcewake_ack) & 1),
 			    FORCEWAKE_ACK_TIMEOUT_MS))
@@ -4304,14 +4306,16 @@
 static void __gen6_gt_force_wake_put(struct drm_i915_private *dev_priv)
 {
 	I915_WRITE_NOTRACE(FORCEWAKE, 0);
-	/* gen6_gt_check_fifodbg doubles as the POSTING_READ */
+	/* something from same cacheline, but !FORCEWAKE */
+	POSTING_READ(ECOBUS);
 	gen6_gt_check_fifodbg(dev_priv);
 }
 
 static void __gen6_gt_force_wake_mt_put(struct drm_i915_private *dev_priv)
 {
 	I915_WRITE_NOTRACE(FORCEWAKE_MT, _MASKED_BIT_DISABLE(FORCEWAKE_KERNEL));
-	/* gen6_gt_check_fifodbg doubles as the POSTING_READ */
+	/* something from same cacheline, but !FORCEWAKE_MT */
+	POSTING_READ(ECOBUS);
 	gen6_gt_check_fifodbg(dev_priv);
 }
 
@@ -4351,6 +4355,8 @@
 static void vlv_force_wake_reset(struct drm_i915_private *dev_priv)
 {
 	I915_WRITE_NOTRACE(FORCEWAKE_VLV, _MASKED_BIT_DISABLE(0xffff));
+	/* something from same cacheline, but !FORCEWAKE_VLV */
+	POSTING_READ(FORCEWAKE_ACK_VLV);
 }
 
 static void vlv_force_wake_get(struct drm_i915_private *dev_priv)
@@ -4371,7 +4377,8 @@
 static void vlv_force_wake_put(struct drm_i915_private *dev_priv)
 {
 	I915_WRITE_NOTRACE(FORCEWAKE_VLV, _MASKED_BIT_DISABLE(FORCEWAKE_KERNEL));
-	/* The below doubles as a POSTING_READ */
+	/* something from same cacheline, but !FORCEWAKE_VLV */
+	POSTING_READ(FORCEWAKE_ACK_VLV);
 	gen6_gt_check_fifodbg(dev_priv);
 }
 
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index ae253e0..42ff97d 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -505,13 +505,25 @@
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	int ret = init_ring_common(ring);
 
-	if (INTEL_INFO(dev)->gen > 3) {
+	if (INTEL_INFO(dev)->gen > 3)
 		I915_WRITE(MI_MODE, _MASKED_BIT_ENABLE(VS_TIMER_DISPATCH));
-		if (IS_GEN7(dev))
-			I915_WRITE(GFX_MODE_GEN7,
-				   _MASKED_BIT_DISABLE(GFX_TLB_INVALIDATE_ALWAYS) |
-				   _MASKED_BIT_ENABLE(GFX_REPLAY_MODE));
-	}
+
+	/* We need to disable the AsyncFlip performance optimisations in order
+	 * to use MI_WAIT_FOR_EVENT within the CS. It should already be
+	 * programmed to '1' on all products.
+	 */
+	if (INTEL_INFO(dev)->gen >= 6)
+		I915_WRITE(MI_MODE, _MASKED_BIT_ENABLE(ASYNC_FLIP_PERF_DISABLE));
+
+	/* Required for the hardware to program scanline values for waiting */
+	if (INTEL_INFO(dev)->gen == 6)
+		I915_WRITE(GFX_MODE,
+			   _MASKED_BIT_ENABLE(GFX_TLB_INVALIDATE_ALWAYS));
+
+	if (IS_GEN7(dev))
+		I915_WRITE(GFX_MODE_GEN7,
+			   _MASKED_BIT_DISABLE(GFX_TLB_INVALIDATE_ALWAYS) |
+			   _MASKED_BIT_ENABLE(GFX_REPLAY_MODE));
 
 	if (INTEL_INFO(dev)->gen >= 5) {
 		ret = init_pipe_control(ring);
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 061fa0a..4d0e60a 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -2401,6 +2401,12 @@
 {
 	struct evergreen_mc_save save;
 
+	if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
+		reset_mask &= ~(RADEON_RESET_GFX | RADEON_RESET_COMPUTE);
+
+	if (RREG32(DMA_STATUS_REG) & DMA_IDLE)
+		reset_mask &= ~RADEON_RESET_DMA;
+
 	if (reset_mask == 0)
 		return 0;
 
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 896f1cb..835992d 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -1216,7 +1216,7 @@
 int cayman_dma_resume(struct radeon_device *rdev)
 {
 	struct radeon_ring *ring;
-	u32 rb_cntl, dma_cntl;
+	u32 rb_cntl, dma_cntl, ib_cntl;
 	u32 rb_bufsz;
 	u32 reg_offset, wb_offset;
 	int i, r;
@@ -1265,7 +1265,11 @@
 		WREG32(DMA_RB_BASE + reg_offset, ring->gpu_addr >> 8);
 
 		/* enable DMA IBs */
-		WREG32(DMA_IB_CNTL + reg_offset, DMA_IB_ENABLE | CMD_VMID_FORCE);
+		ib_cntl = DMA_IB_ENABLE | CMD_VMID_FORCE;
+#ifdef __BIG_ENDIAN
+		ib_cntl |= DMA_IB_SWAP_ENABLE;
+#endif
+		WREG32(DMA_IB_CNTL + reg_offset, ib_cntl);
 
 		dma_cntl = RREG32(DMA_CNTL + reg_offset);
 		dma_cntl &= ~CTXEMPTY_INT_ENABLE;
@@ -1409,6 +1413,12 @@
 {
 	struct evergreen_mc_save save;
 
+	if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
+		reset_mask &= ~(RADEON_RESET_GFX | RADEON_RESET_COMPUTE);
+
+	if (RREG32(DMA_STATUS_REG) & DMA_IDLE)
+		reset_mask &= ~RADEON_RESET_DMA;
+
 	if (reset_mask == 0)
 		return 0;
 
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 537e259..bc2540b 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -1378,6 +1378,12 @@
 {
 	struct rv515_mc_save save;
 
+	if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
+		reset_mask &= ~(RADEON_RESET_GFX | RADEON_RESET_COMPUTE);
+
+	if (RREG32(DMA_STATUS_REG) & DMA_IDLE)
+		reset_mask &= ~RADEON_RESET_DMA;
+
 	if (reset_mask == 0)
 		return 0;
 
@@ -2307,7 +2313,7 @@
 int r600_dma_resume(struct radeon_device *rdev)
 {
 	struct radeon_ring *ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
-	u32 rb_cntl, dma_cntl;
+	u32 rb_cntl, dma_cntl, ib_cntl;
 	u32 rb_bufsz;
 	int r;
 
@@ -2347,7 +2353,11 @@
 	WREG32(DMA_RB_BASE, ring->gpu_addr >> 8);
 
 	/* enable DMA IBs */
-	WREG32(DMA_IB_CNTL, DMA_IB_ENABLE);
+	ib_cntl = DMA_IB_ENABLE;
+#ifdef __BIG_ENDIAN
+	ib_cntl |= DMA_IB_SWAP_ENABLE;
+#endif
+	WREG32(DMA_IB_CNTL, ib_cntl);
 
 	dma_cntl = RREG32(DMA_CNTL);
 	dma_cntl &= ~CTXEMPTY_INT_ENABLE;
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 34e5230..a08f657 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -324,7 +324,6 @@
 	struct list_head		list;
 	/* Protected by tbo.reserved */
 	u32				placements[3];
-	u32				busy_placements[3];
 	struct ttm_placement		placement;
 	struct ttm_buffer_object	tbo;
 	struct ttm_bo_kmap_obj		kmap;
@@ -654,6 +653,8 @@
 	u32			ptr_reg_mask;
 	u32			nop;
 	u32			idx;
+	u64			last_semaphore_signal_addr;
+	u64			last_semaphore_wait_addr;
 };
 
 /*
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index 469661f..5407459 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -286,6 +286,8 @@
 			    p->chunks[p->chunk_ib_idx].kpage[1] == NULL) {
 				kfree(p->chunks[p->chunk_ib_idx].kpage[0]);
 				kfree(p->chunks[p->chunk_ib_idx].kpage[1]);
+				p->chunks[p->chunk_ib_idx].kpage[0] = NULL;
+				p->chunks[p->chunk_ib_idx].kpage[1] = NULL;
 				return -ENOMEM;
 			}
 		}
diff --git a/drivers/gpu/drm/radeon/radeon_cursor.c b/drivers/gpu/drm/radeon/radeon_cursor.c
index ad6df62..0d67674 100644
--- a/drivers/gpu/drm/radeon/radeon_cursor.c
+++ b/drivers/gpu/drm/radeon/radeon_cursor.c
@@ -241,7 +241,8 @@
 		y = 0;
 	}
 
-	if (ASIC_IS_AVIVO(rdev)) {
+	/* fixed on DCE6 and newer */
+	if (ASIC_IS_AVIVO(rdev) && !ASIC_IS_DCE6(rdev)) {
 		int i = 0;
 		struct drm_crtc *crtc_p;
 
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index edfc54e..0d6562b 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -429,7 +429,8 @@
 {
 	uint32_t reg;
 
-	if (efi_enabled && rdev->pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE)
+	if (efi_enabled(EFI_BOOT) &&
+	    rdev->pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE)
 		return false;
 
 	/* first check CRTCs */
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 1da2386..ff3def7 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -1122,7 +1122,7 @@
 	if (ret) {
 		kfree(radeon_fb);
 		drm_gem_object_unreference_unlocked(obj);
-		return NULL;
+		return ERR_PTR(ret);
 	}
 
 	return &radeon_fb->base;
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index dff6cf7..d9bf96e 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -69,9 +69,10 @@
  *   2.26.0 - r600-eg: fix htile size computation
  *   2.27.0 - r600-SI: Add CS ioctl support for async DMA
  *   2.28.0 - r600-eg: Add MEM_WRITE packet support
+ *   2.29.0 - R500 FP16 color clear registers
  */
 #define KMS_DRIVER_MAJOR	2
-#define KMS_DRIVER_MINOR	28
+#define KMS_DRIVER_MINOR	29
 #define KMS_DRIVER_PATCHLEVEL	0
 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
 int radeon_driver_unload_kms(struct drm_device *dev);
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index 883c95d..d3aface 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -84,6 +84,7 @@
 	rbo->placement.fpfn = 0;
 	rbo->placement.lpfn = 0;
 	rbo->placement.placement = rbo->placements;
+	rbo->placement.busy_placement = rbo->placements;
 	if (domain & RADEON_GEM_DOMAIN_VRAM)
 		rbo->placements[c++] = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED |
 					TTM_PL_FLAG_VRAM;
@@ -104,14 +105,6 @@
 	if (!c)
 		rbo->placements[c++] = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM;
 	rbo->placement.num_placement = c;
-
-	c = 0;
-	rbo->placement.busy_placement = rbo->busy_placements;
-	if (rbo->rdev->flags & RADEON_IS_AGP) {
-		rbo->busy_placements[c++] = TTM_PL_FLAG_WC | TTM_PL_FLAG_TT;
-	} else {
-		rbo->busy_placements[c++] = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_TT;
-	}
 	rbo->placement.num_busy_placement = c;
 }
 
@@ -357,6 +350,7 @@
 {
 	struct radeon_bo_list *lobj;
 	struct radeon_bo *bo;
+	u32 domain;
 	int r;
 
 	r = ttm_eu_reserve_buffers(head);
@@ -366,9 +360,17 @@
 	list_for_each_entry(lobj, head, tv.head) {
 		bo = lobj->bo;
 		if (!bo->pin_count) {
+			domain = lobj->wdomain ? lobj->wdomain : lobj->rdomain;
+			
+		retry:
+			radeon_ttm_placement_from_domain(bo, domain);
 			r = ttm_bo_validate(&bo->tbo, &bo->placement,
 						true, false);
 			if (unlikely(r)) {
+				if (r != -ERESTARTSYS && domain == RADEON_GEM_DOMAIN_VRAM) {
+					domain |= RADEON_GEM_DOMAIN_GTT;
+					goto retry;
+				}
 				return r;
 			}
 		}
diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c
index 141f2b6..2430d80 100644
--- a/drivers/gpu/drm/radeon/radeon_ring.c
+++ b/drivers/gpu/drm/radeon/radeon_ring.c
@@ -784,6 +784,8 @@
 	}
 	seq_printf(m, "driver's copy of the wptr: 0x%08x [%5d]\n", ring->wptr, ring->wptr);
 	seq_printf(m, "driver's copy of the rptr: 0x%08x [%5d]\n", ring->rptr, ring->rptr);
+	seq_printf(m, "last semaphore signal addr : 0x%016llx\n", ring->last_semaphore_signal_addr);
+	seq_printf(m, "last semaphore wait addr   : 0x%016llx\n", ring->last_semaphore_wait_addr);
 	seq_printf(m, "%u free dwords in ring\n", ring->ring_free_dw);
 	seq_printf(m, "%u dwords in ring\n", count);
 	/* print 8 dw before current rptr as often it's the last executed
diff --git a/drivers/gpu/drm/radeon/radeon_semaphore.c b/drivers/gpu/drm/radeon/radeon_semaphore.c
index 97f3ece..8dcc20f 100644
--- a/drivers/gpu/drm/radeon/radeon_semaphore.c
+++ b/drivers/gpu/drm/radeon/radeon_semaphore.c
@@ -95,6 +95,10 @@
 	/* we assume caller has already allocated space on waiters ring */
 	radeon_semaphore_emit_wait(rdev, waiter, semaphore);
 
+	/* for debugging lockup only, used by sysfs debug files */
+	rdev->ring[signaler].last_semaphore_signal_addr = semaphore->gpu_addr;
+	rdev->ring[waiter].last_semaphore_wait_addr = semaphore->gpu_addr;
+
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/radeon/reg_srcs/rv515 b/drivers/gpu/drm/radeon/reg_srcs/rv515
index 911a8fb..78d5e99 100644
--- a/drivers/gpu/drm/radeon/reg_srcs/rv515
+++ b/drivers/gpu/drm/radeon/reg_srcs/rv515
@@ -324,6 +324,8 @@
 0x46AC US_OUT_FMT_2
 0x46B0 US_OUT_FMT_3
 0x46B4 US_W_FMT
+0x46C0 RB3D_COLOR_CLEAR_VALUE_AR
+0x46C4 RB3D_COLOR_CLEAR_VALUE_GB
 0x4BC0 FG_FOG_BLEND
 0x4BC4 FG_FOG_FACTOR
 0x4BC8 FG_FOG_COLOR_R
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index 3240a3d..ae8b482 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -2215,6 +2215,12 @@
 {
 	struct evergreen_mc_save save;
 
+	if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
+		reset_mask &= ~(RADEON_RESET_GFX | RADEON_RESET_COMPUTE);
+
+	if (RREG32(DMA_STATUS_REG) & DMA_IDLE)
+		reset_mask &= ~RADEON_RESET_DMA;
+
 	if (reset_mask == 0)
 		return 0;
 
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 33d20be..52b20b1 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -434,6 +434,7 @@
 			bo->mem = tmp_mem;
 			bdev->driver->move_notify(bo, mem);
 			bo->mem = *mem;
+			*mem = tmp_mem;
 		}
 
 		goto out_err;
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
index d73d6e3..44420fc 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -344,8 +344,12 @@
 
 	if (ttm->state == tt_unpopulated) {
 		ret = ttm->bdev->driver->ttm_tt_populate(ttm);
-		if (ret)
+		if (ret) {
+			/* if we fail here don't nuke the mm node
+			 * as the bo still owns it */
+			old_copy.mm_node = NULL;
 			goto out1;
+		}
 	}
 
 	add = 0;
@@ -371,8 +375,11 @@
 						   prot);
 		} else
 			ret = ttm_copy_io_page(new_iomap, old_iomap, page);
-		if (ret)
+		if (ret) {
+			/* failing here, means keep old copy as-is */
+			old_copy.mm_node = NULL;
 			goto out1;
+		}
 	}
 	mb();
 out2:
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 4dfa605..34e2547 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -306,6 +306,9 @@
 #define USB_VENDOR_ID_EZKEY		0x0518
 #define USB_DEVICE_ID_BTC_8193		0x0002
 
+#define USB_VENDOR_ID_FORMOSA          0x147a
+#define USB_DEVICE_ID_FORMOSA_IR_RECEIVER      0xe03e
+
 #define USB_VENDOR_ID_FREESCALE		0x15A2
 #define USB_DEVICE_ID_FREESCALE_MX28	0x004F
 
diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c
index 12e4fdc..e766b56 100644
--- a/drivers/hid/i2c-hid/i2c-hid.c
+++ b/drivers/hid/i2c-hid/i2c-hid.c
@@ -540,13 +540,24 @@
 {
 	struct i2c_client *client = hid->driver_data;
 	int report_id = buf[0];
+	int ret;
 
 	if (report_type == HID_INPUT_REPORT)
 		return -EINVAL;
 
-	return i2c_hid_set_report(client,
+	if (report_id) {
+		buf++;
+		count--;
+	}
+
+	ret = i2c_hid_set_report(client,
 				report_type == HID_FEATURE_REPORT ? 0x03 : 0x02,
 				report_id, buf, count);
+
+	if (report_id && ret >= 0)
+		ret++; /* add report_id to the number of transfered bytes */
+
+	return ret;
 }
 
 static int i2c_hid_parse(struct hid_device *hid)
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index ac9e352..e0e6abf 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -70,6 +70,7 @@
 	{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_AXIS_295, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET },
+	{ USB_VENDOR_ID_FORMOSA, USB_DEVICE_ID_FORMOSA_IR_RECEIVER, HID_QUIRK_NO_INIT_REPORTS },
 	{ USB_VENDOR_ID_FREESCALE, USB_DEVICE_ID_FREESCALE_MX28, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_NOVATEK, USB_DEVICE_ID_NOVATEK_MOUSE, HID_QUIRK_NO_INIT_REPORTS },
diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c
index f6c0011..dd289fd 100644
--- a/drivers/hv/hv_balloon.c
+++ b/drivers/hv/hv_balloon.c
@@ -403,7 +403,7 @@
  */
 
 struct dm_info_msg {
-	struct dm_info_header header;
+	struct dm_header hdr;
 	__u32 reserved;
 	__u32 info_size;
 	__u8  info[];
@@ -503,13 +503,17 @@
 
 static void process_info(struct hv_dynmem_device *dm, struct dm_info_msg *msg)
 {
-	switch (msg->header.type) {
+	struct dm_info_header *info_hdr;
+
+	info_hdr = (struct dm_info_header *)msg->info;
+
+	switch (info_hdr->type) {
 	case INFO_TYPE_MAX_PAGE_CNT:
 		pr_info("Received INFO_TYPE_MAX_PAGE_CNT\n");
-		pr_info("Data Size is %d\n", msg->header.data_size);
+		pr_info("Data Size is %d\n", info_hdr->data_size);
 		break;
 	default:
-		pr_info("Received Unknown type: %d\n", msg->header.type);
+		pr_info("Received Unknown type: %d\n", info_hdr->type);
 	}
 }
 
@@ -879,7 +883,7 @@
 			balloon_onchannelcallback, dev);
 
 	if (ret)
-		return ret;
+		goto probe_error0;
 
 	dm_device.dev = dev;
 	dm_device.state = DM_INITIALIZING;
@@ -891,7 +895,7 @@
 		 kthread_run(dm_thread_func, &dm_device, "hv_balloon");
 	if (IS_ERR(dm_device.thread)) {
 		ret = PTR_ERR(dm_device.thread);
-		goto probe_error0;
+		goto probe_error1;
 	}
 
 	hv_set_drvdata(dev, &dm_device);
@@ -914,12 +918,12 @@
 				VM_PKT_DATA_INBAND,
 				VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED);
 	if (ret)
-		goto probe_error1;
+		goto probe_error2;
 
 	t = wait_for_completion_timeout(&dm_device.host_event, 5*HZ);
 	if (t == 0) {
 		ret = -ETIMEDOUT;
-		goto probe_error1;
+		goto probe_error2;
 	}
 
 	/*
@@ -928,7 +932,7 @@
 	 */
 	if (dm_device.state == DM_INIT_ERROR) {
 		ret = -ETIMEDOUT;
-		goto probe_error1;
+		goto probe_error2;
 	}
 	/*
 	 * Now submit our capabilities to the host.
@@ -961,12 +965,12 @@
 				VM_PKT_DATA_INBAND,
 				VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED);
 	if (ret)
-		goto probe_error1;
+		goto probe_error2;
 
 	t = wait_for_completion_timeout(&dm_device.host_event, 5*HZ);
 	if (t == 0) {
 		ret = -ETIMEDOUT;
-		goto probe_error1;
+		goto probe_error2;
 	}
 
 	/*
@@ -975,18 +979,20 @@
 	 */
 	if (dm_device.state == DM_INIT_ERROR) {
 		ret = -ETIMEDOUT;
-		goto probe_error1;
+		goto probe_error2;
 	}
 
 	dm_device.state = DM_INITIALIZED;
 
 	return 0;
 
-probe_error1:
+probe_error2:
 	kthread_stop(dm_device.thread);
 
-probe_error0:
+probe_error1:
 	vmbus_close(dev->channel);
+probe_error0:
+	kfree(send_buffer);
 	return ret;
 }
 
@@ -999,6 +1005,7 @@
 
 	vmbus_close(dev->channel);
 	kthread_stop(dm->thread);
+	kfree(send_buffer);
 
 	return 0;
 }
diff --git a/drivers/i2c/busses/i2c-designware-core.c b/drivers/i2c/busses/i2c-designware-core.c
index cbba7db..f5258c2 100644
--- a/drivers/i2c/busses/i2c-designware-core.c
+++ b/drivers/i2c/busses/i2c-designware-core.c
@@ -34,6 +34,7 @@
 #include <linux/io.h>
 #include <linux/pm_runtime.h>
 #include <linux/delay.h>
+#include <linux/module.h>
 #include "i2c-designware-core.h"
 
 /*
@@ -725,3 +726,6 @@
 	return dw_readl(dev, DW_IC_COMP_PARAM_1);
 }
 EXPORT_SYMBOL_GPL(i2c_dw_read_comp_param);
+
+MODULE_DESCRIPTION("Synopsys DesignWare I2C bus adapter core");
+MODULE_LICENSE("GPL");
diff --git a/drivers/i2c/busses/i2c-mxs.c b/drivers/i2c/busses/i2c-mxs.c
index 1b1a936..d6abaf2 100644
--- a/drivers/i2c/busses/i2c-mxs.c
+++ b/drivers/i2c/busses/i2c-mxs.c
@@ -127,7 +127,7 @@
 	struct device *dev;
 	void __iomem *regs;
 	struct completion cmd_complete;
-	u32 cmd_err;
+	int cmd_err;
 	struct i2c_adapter adapter;
 	const struct mxs_i2c_speed_config *speed;
 
@@ -316,7 +316,7 @@
 	if (msg->len == 0)
 		return -EINVAL;
 
-	init_completion(&i2c->cmd_complete);
+	INIT_COMPLETION(i2c->cmd_complete);
 	i2c->cmd_err = 0;
 
 	ret = mxs_i2c_dma_setup_xfer(adap, msg, flags);
@@ -473,6 +473,8 @@
 	i2c->dev = dev;
 	i2c->speed = &mxs_i2c_95kHz_config;
 
+	init_completion(&i2c->cmd_complete);
+
 	if (dev->of_node) {
 		err = mxs_i2c_get_ofdata(i2c);
 		if (err)
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index 20d41bf..4cc2f05 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -803,7 +803,7 @@
 			if (stat & OMAP_I2C_STAT_AL) {
 				dev_err(dev->dev, "Arbitration lost\n");
 				dev->cmd_err |= OMAP_I2C_STAT_AL;
-				omap_i2c_ack_stat(dev, OMAP_I2C_STAT_NACK);
+				omap_i2c_ack_stat(dev, OMAP_I2C_STAT_AL);
 			}
 
 			return -EIO;
@@ -963,7 +963,7 @@
 				i2c_omap_errata_i207(dev, stat);
 
 			omap_i2c_ack_stat(dev, OMAP_I2C_STAT_RDR);
-			break;
+			continue;
 		}
 
 		if (stat & OMAP_I2C_STAT_RRDY) {
@@ -989,7 +989,7 @@
 				break;
 
 			omap_i2c_ack_stat(dev, OMAP_I2C_STAT_XDR);
-			break;
+			continue;
 		}
 
 		if (stat & OMAP_I2C_STAT_XRDY) {
diff --git a/drivers/i2c/busses/i2c-sirf.c b/drivers/i2c/busses/i2c-sirf.c
index 3f1818b..e03381a 100644
--- a/drivers/i2c/busses/i2c-sirf.c
+++ b/drivers/i2c/busses/i2c-sirf.c
@@ -12,6 +12,7 @@
 #include <linux/slab.h>
 #include <linux/platform_device.h>
 #include <linux/i2c.h>
+#include <linux/of_i2c.h>
 #include <linux/clk.h>
 #include <linux/err.h>
 #include <linux/io.h>
@@ -328,6 +329,7 @@
 	adap->algo = &i2c_sirfsoc_algo;
 	adap->algo_data = siic;
 
+	adap->dev.of_node = pdev->dev.of_node;
 	adap->dev.parent = &pdev->dev;
 	adap->nr = pdev->id;
 
@@ -371,6 +373,8 @@
 
 	clk_disable(clk);
 
+	of_i2c_register_devices(adap);
+
 	dev_info(&pdev->dev, " I2C adapter ready to operate\n");
 
 	return 0;
diff --git a/drivers/i2c/muxes/i2c-mux-pinctrl.c b/drivers/i2c/muxes/i2c-mux-pinctrl.c
index 1e44d04..a43c0ce 100644
--- a/drivers/i2c/muxes/i2c-mux-pinctrl.c
+++ b/drivers/i2c/muxes/i2c-mux-pinctrl.c
@@ -167,7 +167,7 @@
 	}
 
 	mux->busses = devm_kzalloc(&pdev->dev,
-				   sizeof(mux->busses) * mux->pdata->bus_count,
+				   sizeof(*mux->busses) * mux->pdata->bus_count,
 				   GFP_KERNEL);
 	if (!mux->busses) {
 		dev_err(&pdev->dev, "Cannot allocate busses\n");
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index 4ba384f..2df9414 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -448,8 +448,6 @@
 	else
 		on_each_cpu(__setup_broadcast_timer, (void *)true, 1);
 
-	register_cpu_notifier(&cpu_hotplug_notifier);
-
 	pr_debug(PREFIX "v" INTEL_IDLE_VERSION
 		" model 0x%X\n", boot_cpu_data.x86_model);
 
@@ -612,6 +610,7 @@
 			return retval;
 		}
 	}
+	register_cpu_notifier(&cpu_hotplug_notifier);
 
 	return 0;
 }
diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
index 81837b0..faf10ba 100644
--- a/drivers/iommu/amd_iommu_init.c
+++ b/drivers/iommu/amd_iommu_init.c
@@ -975,6 +975,38 @@
 }
 
 /*
+ * Family15h Model 10h-1fh erratum 746 (IOMMU Logging May Stall Translations)
+ * Workaround:
+ *     BIOS should disable L2B micellaneous clock gating by setting
+ *     L2_L2B_CK_GATE_CONTROL[CKGateL2BMiscDisable](D0F2xF4_x90[2]) = 1b
+ */
+static void __init amd_iommu_erratum_746_workaround(struct amd_iommu *iommu)
+{
+	u32 value;
+
+	if ((boot_cpu_data.x86 != 0x15) ||
+	    (boot_cpu_data.x86_model < 0x10) ||
+	    (boot_cpu_data.x86_model > 0x1f))
+		return;
+
+	pci_write_config_dword(iommu->dev, 0xf0, 0x90);
+	pci_read_config_dword(iommu->dev, 0xf4, &value);
+
+	if (value & BIT(2))
+		return;
+
+	/* Select NB indirect register 0x90 and enable writing */
+	pci_write_config_dword(iommu->dev, 0xf0, 0x90 | (1 << 8));
+
+	pci_write_config_dword(iommu->dev, 0xf4, value | 0x4);
+	pr_info("AMD-Vi: Applying erratum 746 workaround for IOMMU at %s\n",
+		dev_name(&iommu->dev->dev));
+
+	/* Clear the enable writing bit */
+	pci_write_config_dword(iommu->dev, 0xf0, 0x90);
+}
+
+/*
  * This function clues the initialization function for one IOMMU
  * together and also allocates the command buffer and programs the
  * hardware. It does NOT enable the IOMMU. This is done afterwards.
@@ -1172,6 +1204,8 @@
 			iommu->stored_l2[i] = iommu_read_l2(iommu, i);
 	}
 
+	amd_iommu_erratum_746_workaround(iommu);
+
 	return pci_enable_device(iommu->dev);
 }
 
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index b9d0911..eca2801 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -4234,6 +4234,21 @@
 	.pgsize_bitmap	= INTEL_IOMMU_PGSIZES,
 };
 
+static void quirk_iommu_g4x_gfx(struct pci_dev *dev)
+{
+	/* G4x/GM45 integrated gfx dmar support is totally busted. */
+	printk(KERN_INFO "DMAR: Disabling IOMMU for graphics on this chipset\n");
+	dmar_map_gfx = 0;
+}
+
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2a40, quirk_iommu_g4x_gfx);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e00, quirk_iommu_g4x_gfx);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e10, quirk_iommu_g4x_gfx);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e20, quirk_iommu_g4x_gfx);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e30, quirk_iommu_g4x_gfx);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e40, quirk_iommu_g4x_gfx);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e90, quirk_iommu_g4x_gfx);
+
 static void quirk_iommu_rwbf(struct pci_dev *dev)
 {
 	/*
@@ -4242,12 +4257,6 @@
 	 */
 	printk(KERN_INFO "DMAR: Forcing write-buffer flush capability\n");
 	rwbf_quirk = 1;
-
-	/* https://bugzilla.redhat.com/show_bug.cgi?id=538163 */
-	if (dev->revision == 0x07) {
-		printk(KERN_INFO "DMAR: Disabling IOMMU for graphics on this chipset\n");
-		dmar_map_gfx = 0;
-	}
 }
 
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2a40, quirk_iommu_rwbf);
diff --git a/drivers/isdn/gigaset/capi.c b/drivers/isdn/gigaset/capi.c
index 68452b7..03a0a01 100644
--- a/drivers/isdn/gigaset/capi.c
+++ b/drivers/isdn/gigaset/capi.c
@@ -248,6 +248,8 @@
 		CAPIMSG_APPID(data), CAPIMSG_MSGID(data), l,
 		CAPIMSG_CONTROL(data));
 	l -= 12;
+	if (l <= 0)
+		return;
 	dbgline = kmalloc(3 * l, GFP_ATOMIC);
 	if (!dbgline)
 		return;
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index 3d8984e..9e58dbd 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -340,24 +340,22 @@
 }
 
 /*
- * validate_rebuild_devices
+ * validate_raid_redundancy
  * @rs
  *
- * Determine if the devices specified for rebuild can result in a valid
- * usable array that is capable of rebuilding the given devices.
+ * Determine if there are enough devices in the array that haven't
+ * failed (or are being rebuilt) to form a usable array.
  *
  * Returns: 0 on success, -EINVAL on failure.
  */
-static int validate_rebuild_devices(struct raid_set *rs)
+static int validate_raid_redundancy(struct raid_set *rs)
 {
 	unsigned i, rebuild_cnt = 0;
 	unsigned rebuilds_per_group, copies, d;
 
-	if (!(rs->print_flags & DMPF_REBUILD))
-		return 0;
-
 	for (i = 0; i < rs->md.raid_disks; i++)
-		if (!test_bit(In_sync, &rs->dev[i].rdev.flags))
+		if (!test_bit(In_sync, &rs->dev[i].rdev.flags) ||
+		    !rs->dev[i].rdev.sb_page)
 			rebuild_cnt++;
 
 	switch (rs->raid_type->level) {
@@ -393,27 +391,24 @@
 		 *          A    A    B    B    C
 		 *          C    D    D    E    E
 		 */
-		rebuilds_per_group = 0;
 		for (i = 0; i < rs->md.raid_disks * copies; i++) {
+			if (!(i % copies))
+				rebuilds_per_group = 0;
 			d = i % rs->md.raid_disks;
-			if (!test_bit(In_sync, &rs->dev[d].rdev.flags) &&
+			if ((!rs->dev[d].rdev.sb_page ||
+			     !test_bit(In_sync, &rs->dev[d].rdev.flags)) &&
 			    (++rebuilds_per_group >= copies))
 				goto too_many;
-			if (!((i + 1) % copies))
-				rebuilds_per_group = 0;
 		}
 		break;
 	default:
-		DMERR("The rebuild parameter is not supported for %s",
-		      rs->raid_type->name);
-		rs->ti->error = "Rebuild not supported for this RAID type";
-		return -EINVAL;
+		if (rebuild_cnt)
+			return -EINVAL;
 	}
 
 	return 0;
 
 too_many:
-	rs->ti->error = "Too many rebuild devices specified";
 	return -EINVAL;
 }
 
@@ -664,9 +659,6 @@
 	}
 	rs->md.dev_sectors = sectors_per_dev;
 
-	if (validate_rebuild_devices(rs))
-		return -EINVAL;
-
 	/* Assume there are no metadata devices until the drives are parsed */
 	rs->md.persistent = 0;
 	rs->md.external = 1;
@@ -995,28 +987,10 @@
 static int analyse_superblocks(struct dm_target *ti, struct raid_set *rs)
 {
 	int ret;
-	unsigned redundancy = 0;
 	struct raid_dev *dev;
 	struct md_rdev *rdev, *tmp, *freshest;
 	struct mddev *mddev = &rs->md;
 
-	switch (rs->raid_type->level) {
-	case 1:
-		redundancy = rs->md.raid_disks - 1;
-		break;
-	case 4:
-	case 5:
-	case 6:
-		redundancy = rs->raid_type->parity_devs;
-		break;
-	case 10:
-		redundancy = raid10_md_layout_to_copies(mddev->layout) - 1;
-		break;
-	default:
-		ti->error = "Unknown RAID type";
-		return -EINVAL;
-	}
-
 	freshest = NULL;
 	rdev_for_each_safe(rdev, tmp, mddev) {
 		/*
@@ -1045,44 +1019,43 @@
 			break;
 		default:
 			dev = container_of(rdev, struct raid_dev, rdev);
-			if (redundancy--) {
-				if (dev->meta_dev)
-					dm_put_device(ti, dev->meta_dev);
+			if (dev->meta_dev)
+				dm_put_device(ti, dev->meta_dev);
 
-				dev->meta_dev = NULL;
-				rdev->meta_bdev = NULL;
+			dev->meta_dev = NULL;
+			rdev->meta_bdev = NULL;
 
-				if (rdev->sb_page)
-					put_page(rdev->sb_page);
+			if (rdev->sb_page)
+				put_page(rdev->sb_page);
 
-				rdev->sb_page = NULL;
+			rdev->sb_page = NULL;
 
-				rdev->sb_loaded = 0;
+			rdev->sb_loaded = 0;
 
-				/*
-				 * We might be able to salvage the data device
-				 * even though the meta device has failed.  For
-				 * now, we behave as though '- -' had been
-				 * set for this device in the table.
-				 */
-				if (dev->data_dev)
-					dm_put_device(ti, dev->data_dev);
+			/*
+			 * We might be able to salvage the data device
+			 * even though the meta device has failed.  For
+			 * now, we behave as though '- -' had been
+			 * set for this device in the table.
+			 */
+			if (dev->data_dev)
+				dm_put_device(ti, dev->data_dev);
 
-				dev->data_dev = NULL;
-				rdev->bdev = NULL;
+			dev->data_dev = NULL;
+			rdev->bdev = NULL;
 
-				list_del(&rdev->same_set);
-
-				continue;
-			}
-			ti->error = "Failed to load superblock";
-			return ret;
+			list_del(&rdev->same_set);
 		}
 	}
 
 	if (!freshest)
 		return 0;
 
+	if (validate_raid_redundancy(rs)) {
+		rs->ti->error = "Insufficient redundancy to activate array";
+		return -EINVAL;
+	}
+
 	/*
 	 * Validation of the freshest device provides the source of
 	 * validation for the remaining devices.
@@ -1432,7 +1405,7 @@
 
 static struct target_type raid_target = {
 	.name = "raid",
-	.version = {1, 4, 0},
+	.version = {1, 4, 1},
 	.module = THIS_MODULE,
 	.ctr = raid_ctr,
 	.dtr = raid_dtr,
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index 675ae52..5409607 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -2746,19 +2746,9 @@
 	return 0;
 }
 
-/*
- * A thin device always inherits its queue limits from its pool.
- */
-static void thin_io_hints(struct dm_target *ti, struct queue_limits *limits)
-{
-	struct thin_c *tc = ti->private;
-
-	*limits = bdev_get_queue(tc->pool_dev->bdev)->limits;
-}
-
 static struct target_type thin_target = {
 	.name = "thin",
-	.version = {1, 6, 0},
+	.version = {1, 7, 0},
 	.module	= THIS_MODULE,
 	.ctr = thin_ctr,
 	.dtr = thin_dtr,
@@ -2767,7 +2757,6 @@
 	.postsuspend = thin_postsuspend,
 	.status = thin_status,
 	.iterate_devices = thin_iterate_devices,
-	.io_hints = thin_io_hints,
 };
 
 /*----------------------------------------------------------------*/
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index c72e4d5..314a0e2 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1188,6 +1188,7 @@
 {
 	struct dm_target *ti;
 	sector_t len;
+	unsigned num_requests;
 
 	do {
 		ti = dm_table_find_target(ci->map, ci->sector);
@@ -1200,7 +1201,8 @@
 		 * reconfiguration might also have changed that since the
 		 * check was performed.
 		 */
-		if (!get_num_requests || !get_num_requests(ti))
+		num_requests = get_num_requests ? get_num_requests(ti) : 0;
+		if (!num_requests)
 			return -EOPNOTSUPP;
 
 		if (is_split_required && !is_split_required(ti))
@@ -1208,7 +1210,7 @@
 		else
 			len = min(ci->sector_count, max_io_len(ci->sector, ti));
 
-		__issue_target_requests(ci, ti, ti->num_discard_requests, len);
+		__issue_target_requests(ci, ti, num_requests, len);
 
 		ci->sector += len;
 	} while (ci->sector_count -= len);
diff --git a/drivers/media/i2c/m5mols/m5mols_core.c b/drivers/media/i2c/m5mols/m5mols_core.c
index 8a8d42fe..d4e7567 100644
--- a/drivers/media/i2c/m5mols/m5mols_core.c
+++ b/drivers/media/i2c/m5mols/m5mols_core.c
@@ -556,7 +556,7 @@
 	mutex_lock(&info->lock);
 
 	format = __find_format(info, fh, fmt->which, info->res_type);
-	if (!format)
+	if (format)
 		fmt->format = *format;
 	else
 		ret = -EINVAL;
diff --git a/drivers/media/platform/coda.c b/drivers/media/platform/coda.c
index 1cf8293..4a980e0 100644
--- a/drivers/media/platform/coda.c
+++ b/drivers/media/platform/coda.c
@@ -23,8 +23,8 @@
 #include <linux/slab.h>
 #include <linux/videodev2.h>
 #include <linux/of.h>
+#include <linux/platform_data/imx-iram.h>
 
-#include <mach/iram.h>
 #include <media/v4l2-ctrls.h>
 #include <media/v4l2-device.h>
 #include <media/v4l2-ioctl.h>
diff --git a/drivers/media/platform/omap3isp/ispvideo.c b/drivers/media/platform/omap3isp/ispvideo.c
index e0d73a6..8dac175 100644
--- a/drivers/media/platform/omap3isp/ispvideo.c
+++ b/drivers/media/platform/omap3isp/ispvideo.c
@@ -35,9 +35,6 @@
 #include <linux/vmalloc.h>
 #include <media/v4l2-dev.h>
 #include <media/v4l2-ioctl.h>
-#include <plat/iommu.h>
-#include <plat/iovmm.h>
-#include <plat/omap-pm.h>
 
 #include "ispvideo.h"
 #include "isp.h"
diff --git a/drivers/media/platform/s5p-fimc/fimc-mdevice.c b/drivers/media/platform/s5p-fimc/fimc-mdevice.c
index 4ab99f3..b4a68ec 100644
--- a/drivers/media/platform/s5p-fimc/fimc-mdevice.c
+++ b/drivers/media/platform/s5p-fimc/fimc-mdevice.c
@@ -593,7 +593,7 @@
 {
 	struct media_entity *source, *sink;
 	unsigned int flags = MEDIA_LNK_FL_ENABLED;
-	int i, ret;
+	int i, ret = 0;
 
 	for (i = 0; i < FIMC_LITE_MAX_DEVS; i++) {
 		struct fimc_lite *fimc = fmd->fimc_lite[i];
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c
index 379f574..681bc6b 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c
@@ -412,62 +412,48 @@
 }
 
 /* Error handling for interrupt */
-static void s5p_mfc_handle_error(struct s5p_mfc_ctx *ctx,
-				 unsigned int reason, unsigned int err)
+static void s5p_mfc_handle_error(struct s5p_mfc_dev *dev,
+		struct s5p_mfc_ctx *ctx, unsigned int reason, unsigned int err)
 {
-	struct s5p_mfc_dev *dev;
 	unsigned long flags;
 
-	/* If no context is available then all necessary
-	 * processing has been done. */
-	if (ctx == NULL)
-		return;
-
-	dev = ctx->dev;
 	mfc_err("Interrupt Error: %08x\n", err);
-	s5p_mfc_hw_call(dev->mfc_ops, clear_int_flags, dev);
-	wake_up_dev(dev, reason, err);
 
-	/* Error recovery is dependent on the state of context */
-	switch (ctx->state) {
-	case MFCINST_INIT:
-		/* This error had to happen while acquireing instance */
-	case MFCINST_GOT_INST:
-		/* This error had to happen while parsing the header */
-	case MFCINST_HEAD_PARSED:
-		/* This error had to happen while setting dst buffers */
-	case MFCINST_RETURN_INST:
-		/* This error had to happen while releasing instance */
-		clear_work_bit(ctx);
-		wake_up_ctx(ctx, reason, err);
-		if (test_and_clear_bit(0, &dev->hw_lock) == 0)
-			BUG();
-		s5p_mfc_clock_off();
-		ctx->state = MFCINST_ERROR;
-		break;
-	case MFCINST_FINISHING:
-	case MFCINST_FINISHED:
-	case MFCINST_RUNNING:
-		/* It is higly probable that an error occured
-		 * while decoding a frame */
-		clear_work_bit(ctx);
-		ctx->state = MFCINST_ERROR;
-		/* Mark all dst buffers as having an error */
-		spin_lock_irqsave(&dev->irqlock, flags);
-		s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->dst_queue,
-				&ctx->vq_dst);
-		/* Mark all src buffers as having an error */
-		s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->src_queue,
-				&ctx->vq_src);
-		spin_unlock_irqrestore(&dev->irqlock, flags);
-		if (test_and_clear_bit(0, &dev->hw_lock) == 0)
-			BUG();
-		s5p_mfc_clock_off();
-		break;
-	default:
-		mfc_err("Encountered an error interrupt which had not been handled\n");
-		break;
+	if (ctx != NULL) {
+		/* Error recovery is dependent on the state of context */
+		switch (ctx->state) {
+		case MFCINST_RES_CHANGE_INIT:
+		case MFCINST_RES_CHANGE_FLUSH:
+		case MFCINST_RES_CHANGE_END:
+		case MFCINST_FINISHING:
+		case MFCINST_FINISHED:
+		case MFCINST_RUNNING:
+			/* It is higly probable that an error occured
+			 * while decoding a frame */
+			clear_work_bit(ctx);
+			ctx->state = MFCINST_ERROR;
+			/* Mark all dst buffers as having an error */
+			spin_lock_irqsave(&dev->irqlock, flags);
+			s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue,
+						&ctx->dst_queue, &ctx->vq_dst);
+			/* Mark all src buffers as having an error */
+			s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue,
+						&ctx->src_queue, &ctx->vq_src);
+			spin_unlock_irqrestore(&dev->irqlock, flags);
+			wake_up_ctx(ctx, reason, err);
+			break;
+		default:
+			clear_work_bit(ctx);
+			ctx->state = MFCINST_ERROR;
+			wake_up_ctx(ctx, reason, err);
+			break;
+		}
 	}
+	if (test_and_clear_bit(0, &dev->hw_lock) == 0)
+		BUG();
+	s5p_mfc_hw_call(dev->mfc_ops, clear_int_flags, dev);
+	s5p_mfc_clock_off();
+	wake_up_dev(dev, reason, err);
 	return;
 }
 
@@ -632,7 +618,7 @@
 				dev->warn_start)
 			s5p_mfc_handle_frame(ctx, reason, err);
 		else
-			s5p_mfc_handle_error(ctx, reason, err);
+			s5p_mfc_handle_error(dev, ctx, reason, err);
 		clear_bit(0, &dev->enter_suspend);
 		break;
 
diff --git a/drivers/media/usb/gspca/kinect.c b/drivers/media/usb/gspca/kinect.c
index 40ad668..3773a8a 100644
--- a/drivers/media/usb/gspca/kinect.c
+++ b/drivers/media/usb/gspca/kinect.c
@@ -381,6 +381,7 @@
 /* -- module initialisation -- */
 static const struct usb_device_id device_table[] = {
 	{USB_DEVICE(0x045e, 0x02ae)},
+	{USB_DEVICE(0x045e, 0x02bf)},
 	{}
 };
 
diff --git a/drivers/media/usb/gspca/sonixb.c b/drivers/media/usb/gspca/sonixb.c
index 70511d5..1220340 100644
--- a/drivers/media/usb/gspca/sonixb.c
+++ b/drivers/media/usb/gspca/sonixb.c
@@ -496,7 +496,7 @@
 	}
 }
 
-static void i2c_w(struct gspca_dev *gspca_dev, const __u8 *buffer)
+static void i2c_w(struct gspca_dev *gspca_dev, const u8 *buf)
 {
 	int retry = 60;
 
@@ -504,16 +504,19 @@
 		return;
 
 	/* is i2c ready */
-	reg_w(gspca_dev, 0x08, buffer, 8);
+	reg_w(gspca_dev, 0x08, buf, 8);
 	while (retry--) {
 		if (gspca_dev->usb_err < 0)
 			return;
-		msleep(10);
+		msleep(1);
 		reg_r(gspca_dev, 0x08);
 		if (gspca_dev->usb_buf[0] & 0x04) {
 			if (gspca_dev->usb_buf[0] & 0x08) {
 				dev_err(gspca_dev->v4l2_dev.dev,
-					"i2c write error\n");
+					"i2c error writing %02x %02x %02x %02x"
+					" %02x %02x %02x %02x\n",
+					buf[0], buf[1], buf[2], buf[3],
+					buf[4], buf[5], buf[6], buf[7]);
 				gspca_dev->usb_err = -EIO;
 			}
 			return;
@@ -530,7 +533,7 @@
 	for (;;) {
 		if (gspca_dev->usb_err < 0)
 			return;
-		reg_w(gspca_dev, 0x08, *buffer, 8);
+		i2c_w(gspca_dev, *buffer);
 		len -= 8;
 		if (len <= 0)
 			break;
diff --git a/drivers/media/usb/gspca/sonixj.c b/drivers/media/usb/gspca/sonixj.c
index 5a86047..36307a9 100644
--- a/drivers/media/usb/gspca/sonixj.c
+++ b/drivers/media/usb/gspca/sonixj.c
@@ -1550,6 +1550,7 @@
 			0,
 			gspca_dev->usb_buf, 8,
 			500);
+	msleep(2);
 	if (ret < 0) {
 		pr_err("i2c_w1 err %d\n", ret);
 		gspca_dev->usb_err = ret;
diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c
index 2bb7613..d5baab1 100644
--- a/drivers/media/usb/uvc/uvc_ctrl.c
+++ b/drivers/media/usb/uvc/uvc_ctrl.c
@@ -1431,8 +1431,10 @@
 	int ret;
 
 	ctrl = uvc_find_control(chain, xctrl->id, &mapping);
-	if (ctrl == NULL || (ctrl->info.flags & UVC_CTRL_FLAG_SET_CUR) == 0)
+	if (ctrl == NULL)
 		return -EINVAL;
+	if (!(ctrl->info.flags & UVC_CTRL_FLAG_SET_CUR))
+		return -EACCES;
 
 	/* Clamp out of range values. */
 	switch (mapping->v4l2_type) {
diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c
index f2ee8c6..68d59b5 100644
--- a/drivers/media/usb/uvc/uvc_v4l2.c
+++ b/drivers/media/usb/uvc/uvc_v4l2.c
@@ -657,8 +657,7 @@
 			ret = uvc_ctrl_get(chain, ctrl);
 			if (ret < 0) {
 				uvc_ctrl_rollback(handle);
-				ctrls->error_idx = ret == -ENOENT
-						 ? ctrls->count : i;
+				ctrls->error_idx = i;
 				return ret;
 			}
 		}
@@ -686,8 +685,7 @@
 			ret = uvc_ctrl_set(chain, ctrl);
 			if (ret < 0) {
 				uvc_ctrl_rollback(handle);
-				ctrls->error_idx = (ret == -ENOENT &&
-						    cmd == VIDIOC_S_EXT_CTRLS)
+				ctrls->error_idx = cmd == VIDIOC_S_EXT_CTRLS
 						 ? ctrls->count : i;
 				return ret;
 			}
diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c
index 9f81be2..e02c479 100644
--- a/drivers/media/v4l2-core/videobuf2-core.c
+++ b/drivers/media/v4l2-core/videobuf2-core.c
@@ -921,8 +921,10 @@
 		 * In videobuf we use our internal V4l2_planes struct for
 		 * single-planar buffers as well, for simplicity.
 		 */
-		if (V4L2_TYPE_IS_OUTPUT(b->type))
+		if (V4L2_TYPE_IS_OUTPUT(b->type)) {
 			v4l2_planes[0].bytesused = b->bytesused;
+			v4l2_planes[0].data_offset = 0;
+		}
 
 		if (b->memory == V4L2_MEMORY_USERPTR) {
 			v4l2_planes[0].m.userptr = b->m.userptr;
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 47ad4e2..ff553ba 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -237,6 +237,7 @@
 	depends on I2C=y && GPIOLIB
 	select MFD_CORE
 	select REGMAP_I2C
+	select REGMAP_IRQ
 	select IRQ_DOMAIN
 	help
 	  if you say yes here you get support for the TPS65910 series of
diff --git a/drivers/mfd/ab8500-core.c b/drivers/mfd/ab8500-core.c
index e1650ba..4778bb1 100644
--- a/drivers/mfd/ab8500-core.c
+++ b/drivers/mfd/ab8500-core.c
@@ -19,6 +19,7 @@
 #include <linux/mfd/core.h>
 #include <linux/mfd/abx500.h>
 #include <linux/mfd/abx500/ab8500.h>
+#include <linux/mfd/abx500/ab8500-bm.h>
 #include <linux/mfd/dbx500-prcmu.h>
 #include <linux/regulator/ab8500.h>
 #include <linux/of.h>
diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c
index bc8a3ed..222c03a 100644
--- a/drivers/mfd/arizona-core.c
+++ b/drivers/mfd/arizona-core.c
@@ -239,7 +239,12 @@
 		return ret;
 	}
 
-	regcache_sync(arizona->regmap);
+	ret = regcache_sync(arizona->regmap);
+	if (ret != 0) {
+		dev_err(arizona->dev, "Failed to restore register cache\n");
+		regulator_disable(arizona->dcvdd);
+		return ret;
+	}
 
 	return 0;
 }
diff --git a/drivers/mfd/arizona-irq.c b/drivers/mfd/arizona-irq.c
index 74713bf..2bec5f0 100644
--- a/drivers/mfd/arizona-irq.c
+++ b/drivers/mfd/arizona-irq.c
@@ -176,14 +176,7 @@
 		aod = &wm5102_aod;
 		irq = &wm5102_irq;
 
-		switch (arizona->rev) {
-		case 0:
-		case 1:
-			ctrlif_error = false;
-			break;
-		default:
-			break;
-		}
+		ctrlif_error = false;
 		break;
 #endif
 #ifdef CONFIG_MFD_WM5110
@@ -191,14 +184,7 @@
 		aod = &wm5110_aod;
 		irq = &wm5110_irq;
 
-		switch (arizona->rev) {
-		case 0:
-		case 1:
-			ctrlif_error = false;
-			break;
-		default:
-			break;
-		}
+		ctrlif_error = false;
 		break;
 #endif
 	default:
diff --git a/drivers/mfd/da9052-i2c.c b/drivers/mfd/da9052-i2c.c
index ac74a4d..885e567 100644
--- a/drivers/mfd/da9052-i2c.c
+++ b/drivers/mfd/da9052-i2c.c
@@ -27,6 +27,66 @@
 #include <linux/of_device.h>
 #endif
 
+/* I2C safe register check */
+static inline bool i2c_safe_reg(unsigned char reg)
+{
+	switch (reg) {
+	case DA9052_STATUS_A_REG:
+	case DA9052_STATUS_B_REG:
+	case DA9052_STATUS_C_REG:
+	case DA9052_STATUS_D_REG:
+	case DA9052_ADC_RES_L_REG:
+	case DA9052_ADC_RES_H_REG:
+	case DA9052_VDD_RES_REG:
+	case DA9052_ICHG_AV_REG:
+	case DA9052_TBAT_RES_REG:
+	case DA9052_ADCIN4_RES_REG:
+	case DA9052_ADCIN5_RES_REG:
+	case DA9052_ADCIN6_RES_REG:
+	case DA9052_TJUNC_RES_REG:
+	case DA9052_TSI_X_MSB_REG:
+	case DA9052_TSI_Y_MSB_REG:
+	case DA9052_TSI_LSB_REG:
+	case DA9052_TSI_Z_MSB_REG:
+		return true;
+	default:
+		return false;
+	}
+}
+
+/*
+ * There is an issue with DA9052 and DA9053_AA/BA/BB PMIC where the PMIC
+ * gets lockup up or fails to respond following a system reset.
+ * This fix is to follow any read or write with a dummy read to a safe
+ * register.
+ */
+int da9052_i2c_fix(struct da9052 *da9052, unsigned char reg)
+{
+	int val;
+
+	switch (da9052->chip_id) {
+	case DA9052:
+	case DA9053_AA:
+	case DA9053_BA:
+	case DA9053_BB:
+		/* A dummy read to a safe register address. */
+	if (!i2c_safe_reg(reg))
+			return regmap_read(da9052->regmap,
+					   DA9052_PARK_REGISTER,
+					   &val);
+		break;
+	default:
+		/*
+		 * For other chips parking of I2C register
+		 * to a safe place is not required.
+		 */
+		break;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL(da9052_i2c_fix);
+
 static int da9052_i2c_enable_multiwrite(struct da9052 *da9052)
 {
 	int reg_val, ret;
@@ -83,6 +143,7 @@
 
 	da9052->dev = &client->dev;
 	da9052->chip_irq = client->irq;
+	da9052->fix_io = da9052_i2c_fix;
 
 	i2c_set_clientdata(client, da9052);
 
diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c
index dc8826d..268f45d 100644
--- a/drivers/mfd/db8500-prcmu.c
+++ b/drivers/mfd/db8500-prcmu.c
@@ -2524,7 +2524,7 @@
 
 		for (n = 0; n < NUM_PRCMU_WAKEUPS; n++) {
 			if (ev & prcmu_irq_bit[n])
-				generic_handle_irq(IRQ_PRCMU_BASE + n);
+				generic_handle_irq(irq_find_mapping(db8500_irq_domain, n));
 		}
 		r = true;
 		break;
@@ -2737,13 +2737,14 @@
 }
 
 static struct irq_domain_ops db8500_irq_ops = {
-        .map    = db8500_irq_map,
-        .xlate  = irq_domain_xlate_twocell,
+	.map    = db8500_irq_map,
+	.xlate  = irq_domain_xlate_twocell,
 };
 
 static int db8500_irq_init(struct device_node *np)
 {
-	int irq_base = -1;
+	int irq_base = 0;
+	int i;
 
 	/* In the device tree case, just take some IRQs */
 	if (!np)
@@ -2758,6 +2759,10 @@
 		return -ENOSYS;
 	}
 
+	/* All wakeups will be used, so create mappings for all */
+	for (i = 0; i < NUM_PRCMU_WAKEUPS; i++)
+		irq_create_mapping(db8500_irq_domain, i);
+
 	return 0;
 }
 
diff --git a/drivers/mfd/max77686.c b/drivers/mfd/max77686.c
index f6878f8..4d73963 100644
--- a/drivers/mfd/max77686.c
+++ b/drivers/mfd/max77686.c
@@ -93,15 +93,6 @@
 	if (max77686 == NULL)
 		return -ENOMEM;
 
-	max77686->regmap = regmap_init_i2c(i2c, &max77686_regmap_config);
-	if (IS_ERR(max77686->regmap)) {
-		ret = PTR_ERR(max77686->regmap);
-		dev_err(max77686->dev, "Failed to allocate register map: %d\n",
-				ret);
-		kfree(max77686);
-		return ret;
-	}
-
 	i2c_set_clientdata(i2c, max77686);
 	max77686->dev = &i2c->dev;
 	max77686->i2c = i2c;
@@ -111,6 +102,15 @@
 	max77686->irq_gpio = pdata->irq_gpio;
 	max77686->irq = i2c->irq;
 
+	max77686->regmap = regmap_init_i2c(i2c, &max77686_regmap_config);
+	if (IS_ERR(max77686->regmap)) {
+		ret = PTR_ERR(max77686->regmap);
+		dev_err(max77686->dev, "Failed to allocate register map: %d\n",
+				ret);
+		kfree(max77686);
+		return ret;
+	}
+
 	if (regmap_read(max77686->regmap,
 			 MAX77686_REG_DEVICE_ID, &data) < 0) {
 		dev_err(max77686->dev,
diff --git a/drivers/mfd/max77693.c b/drivers/mfd/max77693.c
index cc5155e..9e60fed 100644
--- a/drivers/mfd/max77693.c
+++ b/drivers/mfd/max77693.c
@@ -114,35 +114,37 @@
 	u8 reg_data;
 	int ret = 0;
 
+	if (!pdata) {
+		dev_err(&i2c->dev, "No platform data found.\n");
+		return -EINVAL;
+	}
+
 	max77693 = devm_kzalloc(&i2c->dev,
 			sizeof(struct max77693_dev), GFP_KERNEL);
 	if (max77693 == NULL)
 		return -ENOMEM;
 
-	max77693->regmap = devm_regmap_init_i2c(i2c, &max77693_regmap_config);
-	if (IS_ERR(max77693->regmap)) {
-		ret = PTR_ERR(max77693->regmap);
-		dev_err(max77693->dev,"failed to allocate register map: %d\n",
-				ret);
-		goto err_regmap;
-	}
-
 	i2c_set_clientdata(i2c, max77693);
 	max77693->dev = &i2c->dev;
 	max77693->i2c = i2c;
 	max77693->irq = i2c->irq;
 	max77693->type = id->driver_data;
 
-	if (!pdata)
-		goto err_regmap;
+	max77693->regmap = devm_regmap_init_i2c(i2c, &max77693_regmap_config);
+	if (IS_ERR(max77693->regmap)) {
+		ret = PTR_ERR(max77693->regmap);
+		dev_err(max77693->dev, "failed to allocate register map: %d\n",
+				ret);
+		return ret;
+	}
 
 	max77693->wakeup = pdata->wakeup;
 
-	if (max77693_read_reg(max77693->regmap,
-				MAX77693_PMIC_REG_PMIC_ID2, &reg_data) < 0) {
+	ret = max77693_read_reg(max77693->regmap, MAX77693_PMIC_REG_PMIC_ID2,
+				&reg_data);
+	if (ret < 0) {
 		dev_err(max77693->dev, "device not found on this channel\n");
-		ret = -ENODEV;
-		goto err_regmap;
+		return ret;
 	} else
 		dev_info(max77693->dev, "device ID: 0x%x\n", reg_data);
 
@@ -163,7 +165,7 @@
 		ret = PTR_ERR(max77693->regmap_muic);
 		dev_err(max77693->dev,
 			"failed to allocate register map: %d\n", ret);
-		goto err_regmap;
+		goto err_regmap_muic;
 	}
 
 	ret = max77693_irq_init(max77693);
@@ -184,9 +186,9 @@
 err_mfd:
 	max77693_irq_exit(max77693);
 err_irq:
+err_regmap_muic:
 	i2c_unregister_device(max77693->muic);
 	i2c_unregister_device(max77693->haptic);
-err_regmap:
 	return ret;
 }
 
diff --git a/drivers/mfd/pcf50633-core.c b/drivers/mfd/pcf50633-core.c
index 64803f1..d115673 100644
--- a/drivers/mfd/pcf50633-core.c
+++ b/drivers/mfd/pcf50633-core.c
@@ -208,6 +208,8 @@
 	if (!pcf)
 		return -ENOMEM;
 
+	i2c_set_clientdata(client, pcf);
+	pcf->dev = &client->dev;
 	pcf->pdata = pdata;
 
 	mutex_init(&pcf->lock);
@@ -219,9 +221,6 @@
 		return ret;
 	}
 
-	i2c_set_clientdata(client, pcf);
-	pcf->dev = &client->dev;
-
 	version = pcf50633_reg_read(pcf, 0);
 	variant = pcf50633_reg_read(pcf, 1);
 	if (version < 0 || variant < 0) {
diff --git a/drivers/mfd/rtl8411.c b/drivers/mfd/rtl8411.c
index 89f046c..3d3b4ad 100644
--- a/drivers/mfd/rtl8411.c
+++ b/drivers/mfd/rtl8411.c
@@ -112,6 +112,21 @@
 			BPP_LDO_POWB, BPP_LDO_SUSPEND);
 }
 
+static int rtl8411_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
+{
+	u8 mask, val;
+
+	mask = (BPP_REG_TUNED18 << BPP_TUNED18_SHIFT_8411) | BPP_PAD_MASK;
+	if (voltage == OUTPUT_3V3)
+		val = (BPP_ASIC_3V3 << BPP_TUNED18_SHIFT_8411) | BPP_PAD_3V3;
+	else if (voltage == OUTPUT_1V8)
+		val = (BPP_ASIC_1V8 << BPP_TUNED18_SHIFT_8411) | BPP_PAD_1V8;
+	else
+		return -EINVAL;
+
+	return rtsx_pci_write_register(pcr, LDO_CTL, mask, val);
+}
+
 static unsigned int rtl8411_cd_deglitch(struct rtsx_pcr *pcr)
 {
 	unsigned int card_exist;
@@ -163,6 +178,18 @@
 	return card_exist;
 }
 
+static int rtl8411_conv_clk_and_div_n(int input, int dir)
+{
+	int output;
+
+	if (dir == CLK_TO_DIV_N)
+		output = input * 4 / 5 - 2;
+	else
+		output = (input + 2) * 5 / 4;
+
+	return output;
+}
+
 static const struct pcr_ops rtl8411_pcr_ops = {
 	.extra_init_hw = rtl8411_extra_init_hw,
 	.optimize_phy = NULL,
@@ -172,7 +199,9 @@
 	.disable_auto_blink = rtl8411_disable_auto_blink,
 	.card_power_on = rtl8411_card_power_on,
 	.card_power_off = rtl8411_card_power_off,
+	.switch_output_voltage = rtl8411_switch_output_voltage,
 	.cd_deglitch = rtl8411_cd_deglitch,
+	.conv_clk_and_div_n = rtl8411_conv_clk_and_div_n,
 };
 
 /* SD Pull Control Enable:
diff --git a/drivers/mfd/rts5209.c b/drivers/mfd/rts5209.c
index 283a4f1..98fe0f3 100644
--- a/drivers/mfd/rts5209.c
+++ b/drivers/mfd/rts5209.c
@@ -144,6 +144,25 @@
 	return rtsx_pci_send_cmd(pcr, 100);
 }
 
+static int rts5209_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
+{
+	int err;
+
+	if (voltage == OUTPUT_3V3) {
+		err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4FC0 | 0x24);
+		if (err < 0)
+			return err;
+	} else if (voltage == OUTPUT_1V8) {
+		err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4C40 | 0x24);
+		if (err < 0)
+			return err;
+	} else {
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
 static const struct pcr_ops rts5209_pcr_ops = {
 	.extra_init_hw = rts5209_extra_init_hw,
 	.optimize_phy = rts5209_optimize_phy,
@@ -153,7 +172,9 @@
 	.disable_auto_blink = rts5209_disable_auto_blink,
 	.card_power_on = rts5209_card_power_on,
 	.card_power_off = rts5209_card_power_off,
+	.switch_output_voltage = rts5209_switch_output_voltage,
 	.cd_deglitch = NULL,
+	.conv_clk_and_div_n = NULL,
 };
 
 /* SD Pull Control Enable:
diff --git a/drivers/mfd/rts5229.c b/drivers/mfd/rts5229.c
index b9dbab2..29d889c 100644
--- a/drivers/mfd/rts5229.c
+++ b/drivers/mfd/rts5229.c
@@ -114,6 +114,25 @@
 	return rtsx_pci_send_cmd(pcr, 100);
 }
 
+static int rts5229_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
+{
+	int err;
+
+	if (voltage == OUTPUT_3V3) {
+		err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4FC0 | 0x24);
+		if (err < 0)
+			return err;
+	} else if (voltage == OUTPUT_1V8) {
+		err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4C40 | 0x24);
+		if (err < 0)
+			return err;
+	} else {
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
 static const struct pcr_ops rts5229_pcr_ops = {
 	.extra_init_hw = rts5229_extra_init_hw,
 	.optimize_phy = rts5229_optimize_phy,
@@ -123,7 +142,9 @@
 	.disable_auto_blink = rts5229_disable_auto_blink,
 	.card_power_on = rts5229_card_power_on,
 	.card_power_off = rts5229_card_power_off,
+	.switch_output_voltage = rts5229_switch_output_voltage,
 	.cd_deglitch = NULL,
+	.conv_clk_and_div_n = NULL,
 };
 
 /* SD Pull Control Enable:
diff --git a/drivers/mfd/rtsx_pcr.c b/drivers/mfd/rtsx_pcr.c
index 7a7b0bd..9fc5700 100644
--- a/drivers/mfd/rtsx_pcr.c
+++ b/drivers/mfd/rtsx_pcr.c
@@ -630,7 +630,10 @@
 	if (clk == pcr->cur_clock)
 		return 0;
 
-	N = (u8)(clk - 2);
+	if (pcr->ops->conv_clk_and_div_n)
+		N = (u8)pcr->ops->conv_clk_and_div_n(clk, CLK_TO_DIV_N);
+	else
+		N = (u8)(clk - 2);
 	if ((clk <= 2) || (N > max_N))
 		return -EINVAL;
 
@@ -641,7 +644,14 @@
 	/* Make sure that the SSC clock div_n is equal or greater than min_N */
 	div = CLK_DIV_1;
 	while ((N < min_N) && (div < max_div)) {
-		N = (N + 2) * 2 - 2;
+		if (pcr->ops->conv_clk_and_div_n) {
+			int dbl_clk = pcr->ops->conv_clk_and_div_n(N,
+					DIV_N_TO_CLK) * 2;
+			N = (u8)pcr->ops->conv_clk_and_div_n(dbl_clk,
+					CLK_TO_DIV_N);
+		} else {
+			N = (N + 2) * 2 - 2;
+		}
 		div++;
 	}
 	dev_dbg(&(pcr->pci->dev), "N = %d, div = %d\n", N, div);
@@ -703,6 +713,15 @@
 }
 EXPORT_SYMBOL_GPL(rtsx_pci_card_power_off);
 
+int rtsx_pci_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
+{
+	if (pcr->ops->switch_output_voltage)
+		return pcr->ops->switch_output_voltage(pcr, voltage);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(rtsx_pci_switch_output_voltage);
+
 unsigned int rtsx_pci_card_exist(struct rtsx_pcr *pcr)
 {
 	unsigned int val;
@@ -767,10 +786,10 @@
 
 	spin_unlock_irqrestore(&pcr->lock, flags);
 
-	if (card_detect & SD_EXIST)
+	if ((card_detect & SD_EXIST) && pcr->slots[RTSX_SD_CARD].card_event)
 		pcr->slots[RTSX_SD_CARD].card_event(
 				pcr->slots[RTSX_SD_CARD].p_dev);
-	if (card_detect & MS_EXIST)
+	if ((card_detect & MS_EXIST) && pcr->slots[RTSX_MS_CARD].card_event)
 		pcr->slots[RTSX_MS_CARD].card_event(
 				pcr->slots[RTSX_MS_CARD].p_dev);
 }
diff --git a/drivers/mfd/tc3589x.c b/drivers/mfd/tc3589x.c
index a06d66b..ecc092c 100644
--- a/drivers/mfd/tc3589x.c
+++ b/drivers/mfd/tc3589x.c
@@ -219,25 +219,18 @@
 }
 
 static struct irq_domain_ops tc3589x_irq_ops = {
-        .map    = tc3589x_irq_map,
+	.map    = tc3589x_irq_map,
 	.unmap  = tc3589x_irq_unmap,
-        .xlate  = irq_domain_xlate_twocell,
+	.xlate  = irq_domain_xlate_twocell,
 };
 
 static int tc3589x_irq_init(struct tc3589x *tc3589x, struct device_node *np)
 {
 	int base = tc3589x->irq_base;
 
-	if (base) {
-		tc3589x->domain = irq_domain_add_legacy(
-			NULL, TC3589x_NR_INTERNAL_IRQS, base,
-			0, &tc3589x_irq_ops, tc3589x);
-	}
-	else {
-		tc3589x->domain = irq_domain_add_linear(
-			np, TC3589x_NR_INTERNAL_IRQS,
-			&tc3589x_irq_ops, tc3589x);
-	}
+	tc3589x->domain = irq_domain_add_simple(
+		np, TC3589x_NR_INTERNAL_IRQS, base,
+		&tc3589x_irq_ops, tc3589x);
 
 	if (!tc3589x->domain) {
 		dev_err(tc3589x->dev, "Failed to create irqdomain\n");
diff --git a/drivers/mfd/twl4030-power.c b/drivers/mfd/twl4030-power.c
index 4dae241..dd362c1 100644
--- a/drivers/mfd/twl4030-power.c
+++ b/drivers/mfd/twl4030-power.c
@@ -159,7 +159,7 @@
 static int twl4030_write_script(u8 address, struct twl4030_ins *script,
 				       int len)
 {
-	int err;
+	int err = -EINVAL;
 
 	for (; len; len--, address++, script++) {
 		if (len == 1) {
diff --git a/drivers/mfd/vexpress-config.c b/drivers/mfd/vexpress-config.c
index fae15d8..3c1723aa 100644
--- a/drivers/mfd/vexpress-config.c
+++ b/drivers/mfd/vexpress-config.c
@@ -67,6 +67,7 @@
 
 	return bridge;
 }
+EXPORT_SYMBOL(vexpress_config_bridge_register);
 
 void vexpress_config_bridge_unregister(struct vexpress_config_bridge *bridge)
 {
@@ -83,6 +84,7 @@
 	while (!list_empty(&__bridge.transactions))
 		cpu_relax();
 }
+EXPORT_SYMBOL(vexpress_config_bridge_unregister);
 
 
 struct vexpress_config_func {
@@ -142,6 +144,7 @@
 
 	return func;
 }
+EXPORT_SYMBOL(__vexpress_config_func_get);
 
 void vexpress_config_func_put(struct vexpress_config_func *func)
 {
@@ -149,7 +152,7 @@
 	of_node_put(func->bridge->node);
 	kfree(func);
 }
-
+EXPORT_SYMBOL(vexpress_config_func_put);
 
 struct vexpress_config_trans {
 	struct vexpress_config_func *func;
@@ -229,6 +232,7 @@
 
 	complete(&trans->completion);
 }
+EXPORT_SYMBOL(vexpress_config_complete);
 
 int vexpress_config_wait(struct vexpress_config_trans *trans)
 {
@@ -236,7 +240,7 @@
 
 	return trans->status;
 }
-
+EXPORT_SYMBOL(vexpress_config_wait);
 
 int vexpress_config_read(struct vexpress_config_func *func, int offset,
 		u32 *data)
diff --git a/drivers/mfd/vexpress-sysreg.c b/drivers/mfd/vexpress-sysreg.c
index e5d8f63..77048b1 100644
--- a/drivers/mfd/vexpress-sysreg.c
+++ b/drivers/mfd/vexpress-sysreg.c
@@ -313,19 +313,11 @@
 }
 
 
-void __init vexpress_sysreg_early_init(void __iomem *base)
+void __init vexpress_sysreg_setup(struct device_node *node)
 {
-	struct device_node *node = of_find_compatible_node(NULL, NULL,
-			"arm,vexpress-sysreg");
-
-	if (node)
-		base = of_iomap(node, 0);
-
-	if (WARN_ON(!base))
+	if (WARN_ON(!vexpress_sysreg_base))
 		return;
 
-	vexpress_sysreg_base = base;
-
 	if (readl(vexpress_sysreg_base + SYS_MISC) & SYS_MISC_MASTERSITE)
 		vexpress_master_site = VEXPRESS_SITE_DB2;
 	else
@@ -336,9 +328,23 @@
 	WARN_ON(!vexpress_sysreg_config_bridge);
 }
 
+void __init vexpress_sysreg_early_init(void __iomem *base)
+{
+	vexpress_sysreg_base = base;
+	vexpress_sysreg_setup(NULL);
+}
+
 void __init vexpress_sysreg_of_early_init(void)
 {
-	vexpress_sysreg_early_init(NULL);
+	struct device_node *node = of_find_compatible_node(NULL, NULL,
+			"arm,vexpress-sysreg");
+
+	if (node) {
+		vexpress_sysreg_base = of_iomap(node, 0);
+		vexpress_sysreg_setup(node);
+	} else {
+		pr_info("vexpress-sysreg: No Device Tree node found.");
+	}
 }
 
 
@@ -426,9 +432,11 @@
 		return -EBUSY;
 	}
 
-	if (!vexpress_sysreg_base)
+	if (!vexpress_sysreg_base) {
 		vexpress_sysreg_base = devm_ioremap(&pdev->dev, res->start,
 				resource_size(res));
+		vexpress_sysreg_setup(pdev->dev.of_node);
+	}
 
 	if (!vexpress_sysreg_base) {
 		dev_err(&pdev->dev, "Failed to obtain base address!\n");
diff --git a/drivers/mfd/wm5102-tables.c b/drivers/mfd/wm5102-tables.c
index 088872a..1133a64 100644
--- a/drivers/mfd/wm5102-tables.c
+++ b/drivers/mfd/wm5102-tables.c
@@ -1882,7 +1882,7 @@
 	}
 }
 
-#define WM5102_MAX_REGISTER 0x1a8fff
+#define WM5102_MAX_REGISTER 0x1a9800
 
 const struct regmap_config wm5102_spi_regmap = {
 	.reg_bits = 32,
diff --git a/drivers/misc/ti-st/st_kim.c b/drivers/misc/ti-st/st_kim.c
index 9ff942a..83269f1 100644
--- a/drivers/misc/ti-st/st_kim.c
+++ b/drivers/misc/ti-st/st_kim.c
@@ -468,6 +468,11 @@
 		if (pdata->chip_enable)
 			pdata->chip_enable(kim_gdata);
 
+		/* Configure BT nShutdown to HIGH state */
+		gpio_set_value(kim_gdata->nshutdown, GPIO_LOW);
+		mdelay(5);	/* FIXME: a proper toggle */
+		gpio_set_value(kim_gdata->nshutdown, GPIO_HIGH);
+		mdelay(100);
 		/* re-initialize the completion */
 		INIT_COMPLETION(kim_gdata->ldisc_installed);
 		/* send notification to UIM */
@@ -509,7 +514,8 @@
  *	(b) upon failure to either install ldisc or download firmware.
  *	The function is responsible to (a) notify UIM about un-installation,
  *	(b) flush UART if the ldisc was installed.
- *	(c) invoke platform's chip disabling routine.
+ *	(c) reset BT_EN - pull down nshutdown at the end.
+ *	(d) invoke platform's chip disabling routine.
  */
 long st_kim_stop(void *kim_data)
 {
@@ -541,6 +547,13 @@
 		err = -ETIMEDOUT;
 	}
 
+	/* By default configure BT nShutdown to LOW state */
+	gpio_set_value(kim_gdata->nshutdown, GPIO_LOW);
+	mdelay(1);
+	gpio_set_value(kim_gdata->nshutdown, GPIO_HIGH);
+	mdelay(1);
+	gpio_set_value(kim_gdata->nshutdown, GPIO_LOW);
+
 	/* platform specific disable */
 	if (pdata->chip_disable)
 		pdata->chip_disable(kim_gdata);
@@ -733,6 +746,20 @@
 	/* refer to itself */
 	kim_gdata->core_data->kim_data = kim_gdata;
 
+	/* Claim the chip enable nShutdown gpio from the system */
+	kim_gdata->nshutdown = pdata->nshutdown_gpio;
+	err = gpio_request(kim_gdata->nshutdown, "kim");
+	if (unlikely(err)) {
+		pr_err(" gpio %ld request failed ", kim_gdata->nshutdown);
+		return err;
+	}
+
+	/* Configure nShutdown GPIO as output=0 */
+	err = gpio_direction_output(kim_gdata->nshutdown, 0);
+	if (unlikely(err)) {
+		pr_err(" unable to configure gpio %ld", kim_gdata->nshutdown);
+		return err;
+	}
 	/* get reference of pdev for request_firmware
 	 */
 	kim_gdata->kim_pdev = pdev;
@@ -779,10 +806,18 @@
 
 static int kim_remove(struct platform_device *pdev)
 {
+	/* free the GPIOs requested */
+	struct ti_st_plat_data	*pdata = pdev->dev.platform_data;
 	struct kim_data_s	*kim_gdata;
 
 	kim_gdata = dev_get_drvdata(&pdev->dev);
 
+	/* Free the Bluetooth/FM/GPIO
+	 * nShutdown gpio from the system
+	 */
+	gpio_free(pdata->nshutdown_gpio);
+	pr_info("nshutdown GPIO Freed");
+
 	debugfs_remove_recursive(kim_debugfs_dir);
 	sysfs_remove_group(&pdev->dev.kobj, &uim_attr_grp);
 	pr_info("sysfs entries removed");
diff --git a/drivers/mmc/host/mvsdio.c b/drivers/mmc/host/mvsdio.c
index de4c20b..f8dd361 100644
--- a/drivers/mmc/host/mvsdio.c
+++ b/drivers/mmc/host/mvsdio.c
@@ -50,8 +50,6 @@
 	struct timer_list timer;
 	struct mmc_host *mmc;
 	struct device *dev;
-	struct resource *res;
-	int irq;
 	struct clk *clk;
 	int gpio_card_detect;
 	int gpio_write_protect;
@@ -718,10 +716,6 @@
 	if (!r || irq < 0 || !mvsd_data)
 		return -ENXIO;
 
-	r = request_mem_region(r->start, SZ_1K, DRIVER_NAME);
-	if (!r)
-		return -EBUSY;
-
 	mmc = mmc_alloc_host(sizeof(struct mvsd_host), &pdev->dev);
 	if (!mmc) {
 		ret = -ENOMEM;
@@ -731,8 +725,8 @@
 	host = mmc_priv(mmc);
 	host->mmc = mmc;
 	host->dev = &pdev->dev;
-	host->res = r;
 	host->base_clock = mvsd_data->clock / 2;
+	host->clk = ERR_PTR(-EINVAL);
 
 	mmc->ops = &mvsd_ops;
 
@@ -752,7 +746,7 @@
 
 	spin_lock_init(&host->lock);
 
-	host->base = ioremap(r->start, SZ_4K);
+	host->base = devm_request_and_ioremap(&pdev->dev, r);
 	if (!host->base) {
 		ret = -ENOMEM;
 		goto out;
@@ -765,44 +759,45 @@
 
 	mvsd_power_down(host);
 
-	ret = request_irq(irq, mvsd_irq, 0, DRIVER_NAME, host);
+	ret = devm_request_irq(&pdev->dev, irq, mvsd_irq, 0, DRIVER_NAME, host);
 	if (ret) {
 		pr_err("%s: cannot assign irq %d\n", DRIVER_NAME, irq);
 		goto out;
-	} else
-		host->irq = irq;
+	}
 
 	/* Not all platforms can gate the clock, so it is not
 	   an error if the clock does not exists. */
-	host->clk = clk_get(&pdev->dev, NULL);
-	if (!IS_ERR(host->clk)) {
+	host->clk = devm_clk_get(&pdev->dev, NULL);
+	if (!IS_ERR(host->clk))
 		clk_prepare_enable(host->clk);
-	}
 
 	if (mvsd_data->gpio_card_detect) {
-		ret = gpio_request(mvsd_data->gpio_card_detect,
-				   DRIVER_NAME " cd");
+		ret = devm_gpio_request_one(&pdev->dev,
+					    mvsd_data->gpio_card_detect,
+					    GPIOF_IN, DRIVER_NAME " cd");
 		if (ret == 0) {
-			gpio_direction_input(mvsd_data->gpio_card_detect);
 			irq = gpio_to_irq(mvsd_data->gpio_card_detect);
-			ret = request_irq(irq, mvsd_card_detect_irq,
-					  IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING,
-					  DRIVER_NAME " cd", host);
+			ret = devm_request_irq(&pdev->dev, irq,
+					       mvsd_card_detect_irq,
+					       IRQ_TYPE_EDGE_RISING |
+					       IRQ_TYPE_EDGE_FALLING,
+					       DRIVER_NAME " cd", host);
 			if (ret == 0)
 				host->gpio_card_detect =
 					mvsd_data->gpio_card_detect;
 			else
-				gpio_free(mvsd_data->gpio_card_detect);
+				devm_gpio_free(&pdev->dev,
+					       mvsd_data->gpio_card_detect);
 		}
 	}
 	if (!host->gpio_card_detect)
 		mmc->caps |= MMC_CAP_NEEDS_POLL;
 
 	if (mvsd_data->gpio_write_protect) {
-		ret = gpio_request(mvsd_data->gpio_write_protect,
-				   DRIVER_NAME " wp");
+		ret = devm_gpio_request_one(&pdev->dev,
+					    mvsd_data->gpio_write_protect,
+					    GPIOF_IN, DRIVER_NAME " wp");
 		if (ret == 0) {
-			gpio_direction_input(mvsd_data->gpio_write_protect);
 			host->gpio_write_protect =
 				mvsd_data->gpio_write_protect;
 		}
@@ -824,26 +819,11 @@
 	return 0;
 
 out:
-	if (host) {
-		if (host->irq)
-			free_irq(host->irq, host);
-		if (host->gpio_card_detect) {
-			free_irq(gpio_to_irq(host->gpio_card_detect), host);
-			gpio_free(host->gpio_card_detect);
-		}
-		if (host->gpio_write_protect)
-			gpio_free(host->gpio_write_protect);
-		if (host->base)
-			iounmap(host->base);
-	}
-	if (r)
-		release_resource(r);
-	if (mmc)
-		if (!IS_ERR_OR_NULL(host->clk)) {
+	if (mmc) {
+		if (!IS_ERR(host->clk))
 			clk_disable_unprepare(host->clk);
-			clk_put(host->clk);
-		}
 		mmc_free_host(mmc);
+	}
 
 	return ret;
 }
@@ -852,28 +832,16 @@
 {
 	struct mmc_host *mmc = platform_get_drvdata(pdev);
 
-	if (mmc) {
-		struct mvsd_host *host = mmc_priv(mmc);
+	struct mvsd_host *host = mmc_priv(mmc);
 
-		if (host->gpio_card_detect) {
-			free_irq(gpio_to_irq(host->gpio_card_detect), host);
-			gpio_free(host->gpio_card_detect);
-		}
-		mmc_remove_host(mmc);
-		free_irq(host->irq, host);
-		if (host->gpio_write_protect)
-			gpio_free(host->gpio_write_protect);
-		del_timer_sync(&host->timer);
-		mvsd_power_down(host);
-		iounmap(host->base);
-		release_resource(host->res);
+	mmc_remove_host(mmc);
+	del_timer_sync(&host->timer);
+	mvsd_power_down(host);
 
-		if (!IS_ERR(host->clk)) {
-			clk_disable_unprepare(host->clk);
-			clk_put(host->clk);
-		}
-		mmc_free_host(mmc);
-	}
+	if (!IS_ERR(host->clk))
+		clk_disable_unprepare(host->clk);
+	mmc_free_host(mmc);
+
 	platform_set_drvdata(pdev, NULL);
 	return 0;
 }
diff --git a/drivers/mmc/host/rtsx_pci_sdmmc.c b/drivers/mmc/host/rtsx_pci_sdmmc.c
index 571915d..f74b5ad 100644
--- a/drivers/mmc/host/rtsx_pci_sdmmc.c
+++ b/drivers/mmc/host/rtsx_pci_sdmmc.c
@@ -1060,26 +1060,6 @@
 	return 0;
 }
 
-static int sd_change_bank_voltage(struct realtek_pci_sdmmc *host, u8 voltage)
-{
-	struct rtsx_pcr *pcr = host->pcr;
-	int err;
-
-	if (voltage == SD_IO_3V3) {
-		err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4FC0 | 0x24);
-		if (err < 0)
-			return err;
-	} else if (voltage == SD_IO_1V8) {
-		err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4C40 | 0x24);
-		if (err < 0)
-			return err;
-	} else {
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
 static int sdmmc_switch_voltage(struct mmc_host *mmc, struct mmc_ios *ios)
 {
 	struct realtek_pci_sdmmc *host = mmc_priv(mmc);
@@ -1098,11 +1078,11 @@
 	rtsx_pci_start_run(pcr);
 
 	if (ios->signal_voltage == MMC_SIGNAL_VOLTAGE_330)
-		voltage = SD_IO_3V3;
+		voltage = OUTPUT_3V3;
 	else
-		voltage = SD_IO_1V8;
+		voltage = OUTPUT_1V8;
 
-	if (voltage == SD_IO_1V8) {
+	if (voltage == OUTPUT_1V8) {
 		err = rtsx_pci_write_register(pcr,
 				SD30_DRIVE_SEL, 0x07, DRIVER_TYPE_B);
 		if (err < 0)
@@ -1113,11 +1093,11 @@
 			goto out;
 	}
 
-	err = sd_change_bank_voltage(host, voltage);
+	err = rtsx_pci_switch_output_voltage(pcr, voltage);
 	if (err < 0)
 		goto out;
 
-	if (voltage == SD_IO_1V8) {
+	if (voltage == OUTPUT_1V8) {
 		err = sd_wait_voltage_stable_2(host);
 		if (err < 0)
 			goto out;
diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c
index 5233b8f..58607f1 100644
--- a/drivers/net/can/c_can/c_can.c
+++ b/drivers/net/can/c_can/c_can.c
@@ -960,7 +960,7 @@
 		break;
 	case LEC_ACK_ERROR:
 		netdev_dbg(dev, "ack error\n");
-		cf->data[2] |= (CAN_ERR_PROT_LOC_ACK |
+		cf->data[3] |= (CAN_ERR_PROT_LOC_ACK |
 				CAN_ERR_PROT_LOC_ACK_DEL);
 		break;
 	case LEC_BIT1_ERROR:
@@ -973,7 +973,7 @@
 		break;
 	case LEC_CRC_ERROR:
 		netdev_dbg(dev, "CRC error\n");
-		cf->data[2] |= (CAN_ERR_PROT_LOC_CRC_SEQ |
+		cf->data[3] |= (CAN_ERR_PROT_LOC_CRC_SEQ |
 				CAN_ERR_PROT_LOC_CRC_DEL);
 		break;
 	default:
diff --git a/drivers/net/can/pch_can.c b/drivers/net/can/pch_can.c
index 7d17485..5c314a9 100644
--- a/drivers/net/can/pch_can.c
+++ b/drivers/net/can/pch_can.c
@@ -560,7 +560,7 @@
 		stats->rx_errors++;
 		break;
 	case PCH_CRC_ERR:
-		cf->data[2] |= CAN_ERR_PROT_LOC_CRC_SEQ |
+		cf->data[3] |= CAN_ERR_PROT_LOC_CRC_SEQ |
 			       CAN_ERR_PROT_LOC_CRC_DEL;
 		priv->can.can_stats.bus_error++;
 		stats->rx_errors++;
diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c
index f898c63..300581b 100644
--- a/drivers/net/can/ti_hecc.c
+++ b/drivers/net/can/ti_hecc.c
@@ -746,12 +746,12 @@
 		}
 		if (err_status & HECC_CANES_CRCE) {
 			hecc_set_bit(priv, HECC_CANES, HECC_CANES_CRCE);
-			cf->data[2] |= CAN_ERR_PROT_LOC_CRC_SEQ |
+			cf->data[3] |= CAN_ERR_PROT_LOC_CRC_SEQ |
 					CAN_ERR_PROT_LOC_CRC_DEL;
 		}
 		if (err_status & HECC_CANES_ACKE) {
 			hecc_set_bit(priv, HECC_CANES, HECC_CANES_ACKE);
-			cf->data[2] |= CAN_ERR_PROT_LOC_ACK |
+			cf->data[3] |= CAN_ERR_PROT_LOC_ACK |
 					CAN_ERR_PROT_LOC_ACK_DEL;
 		}
 	}
diff --git a/drivers/net/ethernet/3com/3c574_cs.c b/drivers/net/ethernet/3com/3c574_cs.c
index 66df936..ffd8de2 100644
--- a/drivers/net/ethernet/3com/3c574_cs.c
+++ b/drivers/net/ethernet/3com/3c574_cs.c
@@ -432,7 +432,7 @@
 	netdev_info(dev, "%s at io %#3lx, irq %d, hw_addr %pM\n",
 		    cardname, dev->base_addr, dev->irq, dev->dev_addr);
 	netdev_info(dev, " %dK FIFO split %s Rx:Tx, %sMII interface.\n",
-		    8 << config & Ram_size,
+		    8 << (config & Ram_size),
 		    ram_split[(config & Ram_split) >> Ram_split_shift],
 		    config & Autoselect ? "autoselect " : "");
 
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 78ea90c..bdb0869 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -1283,14 +1283,26 @@
 	return tg3_writephy(tp, MII_TG3_AUX_CTRL, set | reg);
 }
 
-#define TG3_PHY_AUXCTL_SMDSP_ENABLE(tp) \
-	tg3_phy_auxctl_write((tp), MII_TG3_AUXCTL_SHDWSEL_AUXCTL, \
-			     MII_TG3_AUXCTL_ACTL_SMDSP_ENA | \
-			     MII_TG3_AUXCTL_ACTL_TX_6DB)
+static int tg3_phy_toggle_auxctl_smdsp(struct tg3 *tp, bool enable)
+{
+	u32 val;
+	int err;
 
-#define TG3_PHY_AUXCTL_SMDSP_DISABLE(tp) \
-	tg3_phy_auxctl_write((tp), MII_TG3_AUXCTL_SHDWSEL_AUXCTL, \
-			     MII_TG3_AUXCTL_ACTL_TX_6DB);
+	err = tg3_phy_auxctl_read(tp, MII_TG3_AUXCTL_SHDWSEL_AUXCTL, &val);
+
+	if (err)
+		return err;
+	if (enable)
+
+		val |= MII_TG3_AUXCTL_ACTL_SMDSP_ENA;
+	else
+		val &= ~MII_TG3_AUXCTL_ACTL_SMDSP_ENA;
+
+	err = tg3_phy_auxctl_write((tp), MII_TG3_AUXCTL_SHDWSEL_AUXCTL,
+				   val | MII_TG3_AUXCTL_ACTL_TX_6DB);
+
+	return err;
+}
 
 static int tg3_bmcr_reset(struct tg3 *tp)
 {
@@ -2223,7 +2235,7 @@
 
 	otp = tp->phy_otp;
 
-	if (TG3_PHY_AUXCTL_SMDSP_ENABLE(tp))
+	if (tg3_phy_toggle_auxctl_smdsp(tp, true))
 		return;
 
 	phy = ((otp & TG3_OTP_AGCTGT_MASK) >> TG3_OTP_AGCTGT_SHIFT);
@@ -2248,7 +2260,7 @@
 	      ((otp & TG3_OTP_RCOFF_MASK) >> TG3_OTP_RCOFF_SHIFT);
 	tg3_phydsp_write(tp, MII_TG3_DSP_EXP97, phy);
 
-	TG3_PHY_AUXCTL_SMDSP_DISABLE(tp);
+	tg3_phy_toggle_auxctl_smdsp(tp, false);
 }
 
 static void tg3_phy_eee_adjust(struct tg3 *tp, u32 current_link_up)
@@ -2284,9 +2296,9 @@
 
 	if (!tp->setlpicnt) {
 		if (current_link_up == 1 &&
-		   !TG3_PHY_AUXCTL_SMDSP_ENABLE(tp)) {
+		   !tg3_phy_toggle_auxctl_smdsp(tp, true)) {
 			tg3_phydsp_write(tp, MII_TG3_DSP_TAP26, 0x0000);
-			TG3_PHY_AUXCTL_SMDSP_DISABLE(tp);
+			tg3_phy_toggle_auxctl_smdsp(tp, false);
 		}
 
 		val = tr32(TG3_CPMU_EEE_MODE);
@@ -2302,11 +2314,11 @@
 	    (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
 	     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719 ||
 	     tg3_flag(tp, 57765_CLASS)) &&
-	    !TG3_PHY_AUXCTL_SMDSP_ENABLE(tp)) {
+	    !tg3_phy_toggle_auxctl_smdsp(tp, true)) {
 		val = MII_TG3_DSP_TAP26_ALNOKO |
 		      MII_TG3_DSP_TAP26_RMRXSTO;
 		tg3_phydsp_write(tp, MII_TG3_DSP_TAP26, val);
-		TG3_PHY_AUXCTL_SMDSP_DISABLE(tp);
+		tg3_phy_toggle_auxctl_smdsp(tp, false);
 	}
 
 	val = tr32(TG3_CPMU_EEE_MODE);
@@ -2450,7 +2462,7 @@
 		tg3_writephy(tp, MII_CTRL1000,
 			     CTL1000_AS_MASTER | CTL1000_ENABLE_MASTER);
 
-		err = TG3_PHY_AUXCTL_SMDSP_ENABLE(tp);
+		err = tg3_phy_toggle_auxctl_smdsp(tp, true);
 		if (err)
 			return err;
 
@@ -2471,7 +2483,7 @@
 	tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200);
 	tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0000);
 
-	TG3_PHY_AUXCTL_SMDSP_DISABLE(tp);
+	tg3_phy_toggle_auxctl_smdsp(tp, false);
 
 	tg3_writephy(tp, MII_CTRL1000, phy9_orig);
 
@@ -2572,10 +2584,10 @@
 
 out:
 	if ((tp->phy_flags & TG3_PHYFLG_ADC_BUG) &&
-	    !TG3_PHY_AUXCTL_SMDSP_ENABLE(tp)) {
+	    !tg3_phy_toggle_auxctl_smdsp(tp, true)) {
 		tg3_phydsp_write(tp, 0x201f, 0x2aaa);
 		tg3_phydsp_write(tp, 0x000a, 0x0323);
-		TG3_PHY_AUXCTL_SMDSP_DISABLE(tp);
+		tg3_phy_toggle_auxctl_smdsp(tp, false);
 	}
 
 	if (tp->phy_flags & TG3_PHYFLG_5704_A0_BUG) {
@@ -2584,14 +2596,14 @@
 	}
 
 	if (tp->phy_flags & TG3_PHYFLG_BER_BUG) {
-		if (!TG3_PHY_AUXCTL_SMDSP_ENABLE(tp)) {
+		if (!tg3_phy_toggle_auxctl_smdsp(tp, true)) {
 			tg3_phydsp_write(tp, 0x000a, 0x310b);
 			tg3_phydsp_write(tp, 0x201f, 0x9506);
 			tg3_phydsp_write(tp, 0x401f, 0x14e2);
-			TG3_PHY_AUXCTL_SMDSP_DISABLE(tp);
+			tg3_phy_toggle_auxctl_smdsp(tp, false);
 		}
 	} else if (tp->phy_flags & TG3_PHYFLG_JITTER_BUG) {
-		if (!TG3_PHY_AUXCTL_SMDSP_ENABLE(tp)) {
+		if (!tg3_phy_toggle_auxctl_smdsp(tp, true)) {
 			tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
 			if (tp->phy_flags & TG3_PHYFLG_ADJUST_TRIM) {
 				tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x110b);
@@ -2600,7 +2612,7 @@
 			} else
 				tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b);
 
-			TG3_PHY_AUXCTL_SMDSP_DISABLE(tp);
+			tg3_phy_toggle_auxctl_smdsp(tp, false);
 		}
 	}
 
@@ -4009,7 +4021,7 @@
 	tw32(TG3_CPMU_EEE_MODE,
 	     tr32(TG3_CPMU_EEE_MODE) & ~TG3_CPMU_EEEMD_LPI_ENABLE);
 
-	err = TG3_PHY_AUXCTL_SMDSP_ENABLE(tp);
+	err = tg3_phy_toggle_auxctl_smdsp(tp, true);
 	if (!err) {
 		u32 err2;
 
@@ -4042,7 +4054,7 @@
 						 MII_TG3_DSP_CH34TP2_HIBW01);
 		}
 
-		err2 = TG3_PHY_AUXCTL_SMDSP_DISABLE(tp);
+		err2 = tg3_phy_toggle_auxctl_smdsp(tp, false);
 		if (!err)
 			err = err2;
 	}
@@ -6950,6 +6962,9 @@
 	int i;
 	struct tg3 *tp = netdev_priv(dev);
 
+	if (tg3_irq_sync(tp))
+		return;
+
 	for (i = 0; i < tp->irq_cnt; i++)
 		tg3_interrupt(tp->napi[i].irq_vec, &tp->napi[i]);
 }
@@ -16367,6 +16382,7 @@
 	tp->pm_cap = pm_cap;
 	tp->rx_mode = TG3_DEF_RX_MODE;
 	tp->tx_mode = TG3_DEF_TX_MODE;
+	tp->irq_sync = 1;
 
 	if (tg3_debug > 0)
 		tp->msg_enable = tg3_debug;
diff --git a/drivers/net/ethernet/calxeda/xgmac.c b/drivers/net/ethernet/calxeda/xgmac.c
index b407043..f7f0290 100644
--- a/drivers/net/ethernet/calxeda/xgmac.c
+++ b/drivers/net/ethernet/calxeda/xgmac.c
@@ -548,6 +548,10 @@
 		return -1;
 	}
 
+	/* All frames should fit into a single buffer */
+	if (!(status & RXDESC_FIRST_SEG) || !(status & RXDESC_LAST_SEG))
+		return -1;
+
 	/* Check if packet has checksum already */
 	if ((status & RXDESC_FRAME_TYPE) && (status & RXDESC_EXT_STATUS) &&
 		!(ext_status & RXDESC_IP_PAYLOAD_MASK))
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index f0718e1..c306df7 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -1994,9 +1994,20 @@
 {
 	const struct port_info *pi = netdev_priv(dev);
 	struct adapter *adap = pi->adapter;
+	struct sge_rspq *q;
+	int i;
+	int r = 0;
 
-	return set_rxq_intr_params(adap, &adap->sge.ethrxq[pi->first_qset].rspq,
-			c->rx_coalesce_usecs, c->rx_max_coalesced_frames);
+	for (i = pi->first_qset; i < pi->first_qset + pi->nqsets; i++) {
+		q = &adap->sge.ethrxq[i].rspq;
+		r = set_rxq_intr_params(adap, q, c->rx_coalesce_usecs,
+			c->rx_max_coalesced_frames);
+		if (r) {
+			dev_err(&dev->dev, "failed to set coalesce %d\n", r);
+			break;
+		}
+	}
+	return r;
 }
 
 static int get_coalesce(struct net_device *dev, struct ethtool_coalesce *c)
diff --git a/drivers/net/ethernet/intel/ixgbe/Makefile b/drivers/net/ethernet/intel/ixgbe/Makefile
index f3a632b..687c83d 100644
--- a/drivers/net/ethernet/intel/ixgbe/Makefile
+++ b/drivers/net/ethernet/intel/ixgbe/Makefile
@@ -32,7 +32,7 @@
 
 obj-$(CONFIG_IXGBE) += ixgbe.o
 
-ixgbe-objs := ixgbe_main.o ixgbe_common.o ixgbe_ethtool.o ixgbe_debugfs.o\
+ixgbe-objs := ixgbe_main.o ixgbe_common.o ixgbe_ethtool.o \
               ixgbe_82599.o ixgbe_82598.o ixgbe_phy.o ixgbe_sriov.o \
               ixgbe_mbx.o ixgbe_x540.o ixgbe_lib.o ixgbe_ptp.o
 
@@ -40,4 +40,5 @@
                               ixgbe_dcb_82599.o ixgbe_dcb_nl.o
 
 ixgbe-$(CONFIG_IXGBE_HWMON) += ixgbe_sysfs.o
+ixgbe-$(CONFIG_DEBUG_FS) += ixgbe_debugfs.o
 ixgbe-$(CONFIG_FCOE:m=y) += ixgbe_fcoe.o
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_debugfs.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_debugfs.c
index 50aa546..3504686 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_debugfs.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_debugfs.c
@@ -24,9 +24,6 @@
   Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 
 *******************************************************************************/
-
-#ifdef CONFIG_DEBUG_FS
-
 #include <linux/debugfs.h>
 #include <linux/module.h>
 
@@ -277,5 +274,3 @@
 {
 	debugfs_remove_recursive(ixgbe_dbg_root);
 }
-
-#endif /* CONFIG_DEBUG_FS */
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
index 1a751c9..bb9256a 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
@@ -660,11 +660,11 @@
 		break;
 	case HWTSTAMP_FILTER_PTP_V1_L4_SYNC:
 		tsync_rx_ctl |= IXGBE_TSYNCRXCTL_TYPE_L4_V1;
-		tsync_rx_mtrl = IXGBE_RXMTRL_V1_SYNC_MSG;
+		tsync_rx_mtrl |= IXGBE_RXMTRL_V1_SYNC_MSG;
 		break;
 	case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ:
 		tsync_rx_ctl |= IXGBE_TSYNCRXCTL_TYPE_L4_V1;
-		tsync_rx_mtrl = IXGBE_RXMTRL_V1_DELAY_REQ_MSG;
+		tsync_rx_mtrl |= IXGBE_RXMTRL_V1_DELAY_REQ_MSG;
 		break;
 	case HWTSTAMP_FILTER_PTP_V2_EVENT:
 	case HWTSTAMP_FILTER_PTP_V2_L2_EVENT:
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
index 2b799f4..6771b69 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
@@ -630,10 +630,15 @@
 		ring->tx_csum++;
 	}
 
-	/* Copy dst mac address to wqe */
-	ethh = (struct ethhdr *)skb->data;
-	tx_desc->ctrl.srcrb_flags16[0] = get_unaligned((__be16 *)ethh->h_dest);
-	tx_desc->ctrl.imm = get_unaligned((__be32 *)(ethh->h_dest + 2));
+	if (mlx4_is_mfunc(mdev->dev) || priv->validate_loopback) {
+		/* Copy dst mac address to wqe. This allows loopback in eSwitch,
+		 * so that VFs and PF can communicate with each other
+		 */
+		ethh = (struct ethhdr *)skb->data;
+		tx_desc->ctrl.srcrb_flags16[0] = get_unaligned((__be16 *)ethh->h_dest);
+		tx_desc->ctrl.imm = get_unaligned((__be32 *)(ethh->h_dest + 2));
+	}
+
 	/* Handle LSO (TSO) packets */
 	if (lso_header_size) {
 		/* Mark opcode as LSO */
diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index e1bafff..a6542d7 100644
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -1790,15 +1790,8 @@
 	int i;
 
 	if (msi_x) {
-		/* In multifunction mode each function gets 2 msi-X vectors
-		 * one for data path completions anf the other for asynch events
-		 * or command completions */
-		if (mlx4_is_mfunc(dev)) {
-			nreq = 2;
-		} else {
-			nreq = min_t(int, dev->caps.num_eqs -
-				     dev->caps.reserved_eqs, nreq);
-		}
+		nreq = min_t(int, dev->caps.num_eqs - dev->caps.reserved_eqs,
+			     nreq);
 
 		entries = kcalloc(nreq, sizeof *entries, GFP_KERNEL);
 		if (!entries)
diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c
index bc165f4..695667d 100644
--- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c
+++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c
@@ -144,7 +144,7 @@
 					 buffrag->length, PCI_DMA_TODEVICE);
 			buffrag->dma = 0ULL;
 		}
-		for (j = 0; j < cmd_buf->frag_count; j++) {
+		for (j = 1; j < cmd_buf->frag_count; j++) {
 			buffrag++;
 			if (buffrag->dma) {
 				pci_unmap_page(adapter->pdev, buffrag->dma,
diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
index 6098fd4a..69e321a 100644
--- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
+++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
@@ -1963,10 +1963,12 @@
 	while (--i >= 0) {
 		nf = &pbuf->frag_array[i+1];
 		pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE);
+		nf->dma = 0ULL;
 	}
 
 	nf = &pbuf->frag_array[0];
 	pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE);
+	nf->dma = 0ULL;
 
 out_err:
 	return -ENOMEM;
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index ed96f30..1170232 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -1826,8 +1826,6 @@
 
 	if (opts2 & RxVlanTag)
 		__vlan_hwaccel_put_tag(skb, swab16(opts2 & 0xffff));
-
-	desc->opts2 = 0;
 }
 
 static int rtl8169_gset_tbi(struct net_device *dev, struct ethtool_cmd *cmd)
@@ -6064,8 +6062,6 @@
 			    !(status & (RxRWT | RxFOVF)) &&
 			    (dev->features & NETIF_F_RXALL))
 				goto process_pkt;
-
-			rtl8169_mark_to_asic(desc, rx_buf_sz);
 		} else {
 			struct sk_buff *skb;
 			dma_addr_t addr;
@@ -6086,16 +6082,14 @@
 			if (unlikely(rtl8169_fragmented_frame(status))) {
 				dev->stats.rx_dropped++;
 				dev->stats.rx_length_errors++;
-				rtl8169_mark_to_asic(desc, rx_buf_sz);
-				continue;
+				goto release_descriptor;
 			}
 
 			skb = rtl8169_try_rx_copy(tp->Rx_databuff[entry],
 						  tp, pkt_size, addr);
-			rtl8169_mark_to_asic(desc, rx_buf_sz);
 			if (!skb) {
 				dev->stats.rx_dropped++;
-				continue;
+				goto release_descriptor;
 			}
 
 			rtl8169_rx_csum(skb, status);
@@ -6111,13 +6105,10 @@
 			tp->rx_stats.bytes += pkt_size;
 			u64_stats_update_end(&tp->rx_stats.syncp);
 		}
-
-		/* Work around for AMD plateform. */
-		if ((desc->opts2 & cpu_to_le32(0xfffe000)) &&
-		    (tp->mac_version == RTL_GIGA_MAC_VER_05)) {
-			desc->opts2 = 0;
-			cur_rx++;
-		}
+release_descriptor:
+		desc->opts2 = 0;
+		wmb();
+		rtl8169_mark_to_asic(desc, rx_buf_sz);
 	}
 
 	count = cur_rx - tp->cur_rx;
diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h
index 5fd6f46..e6fe0d8 100644
--- a/drivers/net/hyperv/hyperv_net.h
+++ b/drivers/net/hyperv/hyperv_net.h
@@ -84,7 +84,7 @@
 };
 
 struct netvsc_device_info {
-	unsigned char mac_adr[6];
+	unsigned char mac_adr[ETH_ALEN];
 	bool link_state;	/* 0 - link up, 1 - link down */
 	int  ring_size;
 };
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index f825a62..8264f0e 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -349,7 +349,7 @@
 	struct net_device_context *ndevctx = netdev_priv(ndev);
 	struct hv_device *hdev =  ndevctx->device_ctx;
 	struct sockaddr *addr = p;
-	char save_adr[14];
+	char save_adr[ETH_ALEN];
 	unsigned char save_aatype;
 	int err;
 
diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c
index 81f8f9e..fcbf680 100644
--- a/drivers/net/loopback.c
+++ b/drivers/net/loopback.c
@@ -77,6 +77,11 @@
 
 	skb_orphan(skb);
 
+	/* Before queueing this packet to netif_rx(),
+	 * make sure dst is refcounted.
+	 */
+	skb_dst_force(skb);
+
 	skb->protocol = eth_type_trans(skb, dev);
 
 	/* it's OK to use per_cpu_ptr() because BHs are off */
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 68a43fe..d3fb97d 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -822,7 +822,10 @@
 
 static size_t macvlan_get_size(const struct net_device *dev)
 {
-	return nla_total_size(4);
+	return (0
+		+ nla_total_size(4) /* IFLA_MACVLAN_MODE */
+		+ nla_total_size(2) /* IFLA_MACVLAN_FLAGS */
+		);
 }
 
 static int macvlan_fill_info(struct sk_buff *skb,
diff --git a/drivers/net/phy/icplus.c b/drivers/net/phy/icplus.c
index d5199cb..b5ddd50 100644
--- a/drivers/net/phy/icplus.c
+++ b/drivers/net/phy/icplus.c
@@ -36,8 +36,9 @@
 
 /* IP101A/G - IP1001 */
 #define IP10XX_SPEC_CTRL_STATUS		16	/* Spec. Control Register */
+#define IP1001_RXPHASE_SEL		(1<<0)	/* Add delay on RX_CLK */
+#define IP1001_TXPHASE_SEL		(1<<1)	/* Add delay on TX_CLK */
 #define IP1001_SPEC_CTRL_STATUS_2	20	/* IP1001 Spec. Control Reg 2 */
-#define IP1001_PHASE_SEL_MASK		3	/* IP1001 RX/TXPHASE_SEL */
 #define IP1001_APS_ON			11	/* IP1001 APS Mode  bit */
 #define IP101A_G_APS_ON			2	/* IP101A/G APS Mode bit */
 #define IP101A_G_IRQ_CONF_STATUS	0x11	/* Conf Info IRQ & Status Reg */
@@ -138,19 +139,24 @@
 	if (c < 0)
 		return c;
 
-	/* INTR pin used: speed/link/duplex will cause an interrupt */
-	c = phy_write(phydev, IP101A_G_IRQ_CONF_STATUS, IP101A_G_IRQ_DEFAULT);
-	if (c < 0)
-		return c;
+	if ((phydev->interface == PHY_INTERFACE_MODE_RGMII) ||
+	    (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) ||
+	    (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
+	    (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)) {
 
-	if (phydev->interface == PHY_INTERFACE_MODE_RGMII) {
-		/* Additional delay (2ns) used to adjust RX clock phase
-		 * at RGMII interface */
 		c = phy_read(phydev, IP10XX_SPEC_CTRL_STATUS);
 		if (c < 0)
 			return c;
 
-		c |= IP1001_PHASE_SEL_MASK;
+		c &= ~(IP1001_RXPHASE_SEL | IP1001_TXPHASE_SEL);
+
+		if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
+			c |= (IP1001_RXPHASE_SEL | IP1001_TXPHASE_SEL);
+		else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID)
+			c |= IP1001_RXPHASE_SEL;
+		else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)
+			c |= IP1001_TXPHASE_SEL;
+
 		c = phy_write(phydev, IP10XX_SPEC_CTRL_STATUS, c);
 		if (c < 0)
 			return c;
@@ -167,6 +173,11 @@
 	if (c < 0)
 		return c;
 
+	/* INTR pin used: speed/link/duplex will cause an interrupt */
+	c = phy_write(phydev, IP101A_G_IRQ_CONF_STATUS, IP101A_G_IRQ_DEFAULT);
+	if (c < 0)
+		return c;
+
 	/* Enable Auto Power Saving mode */
 	c = phy_read(phydev, IP10XX_SPEC_CTRL_STATUS);
 	c |= IP101A_G_APS_ON;
diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
index 5d2a3f2..22dec9c 100644
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -353,15 +353,6 @@
 	int err;
 	int temp;
 
-	/* Enable Fiber/Copper auto selection */
-	temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
-	temp &= ~MII_M1111_HWCFG_FIBER_COPPER_AUTO;
-	phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
-
-	temp = phy_read(phydev, MII_BMCR);
-	temp |= BMCR_RESET;
-	phy_write(phydev, MII_BMCR, temp);
-
 	if ((phydev->interface == PHY_INTERFACE_MODE_RGMII) ||
 	    (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) ||
 	    (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index af372d0..cc09b67 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -109,11 +109,11 @@
 	unsigned char	addr[FLT_EXACT_COUNT][ETH_ALEN];
 };
 
-/* 1024 is probably a high enough limit: modern hypervisors seem to support on
- * the order of 100-200 CPUs so this leaves us some breathing space if we want
- * to match a queue per guest CPU.
- */
-#define MAX_TAP_QUEUES 1024
+/* DEFAULT_MAX_NUM_RSS_QUEUES were choosed to let the rx/tx queues allocated for
+ * the netdevice to be fit in one page. So we can make sure the success of
+ * memory allocation. TODO: increase the limit. */
+#define MAX_TAP_QUEUES DEFAULT_MAX_NUM_RSS_QUEUES
+#define MAX_TAP_FLOWS  4096
 
 #define TUN_FLOW_EXPIRE (3 * HZ)
 
@@ -185,6 +185,8 @@
 	unsigned long ageing_time;
 	unsigned int numdisabled;
 	struct list_head disabled;
+	void *security;
+	u32 flow_count;
 };
 
 static inline u32 tun_hashfn(u32 rxhash)
@@ -218,6 +220,7 @@
 		e->queue_index = queue_index;
 		e->tun = tun;
 		hlist_add_head_rcu(&e->hash_link, head);
+		++tun->flow_count;
 	}
 	return e;
 }
@@ -228,6 +231,7 @@
 		  e->rxhash, e->queue_index);
 	hlist_del_rcu(&e->hash_link);
 	kfree_rcu(e, rcu);
+	--tun->flow_count;
 }
 
 static void tun_flow_flush(struct tun_struct *tun)
@@ -317,7 +321,8 @@
 		e->updated = jiffies;
 	} else {
 		spin_lock_bh(&tun->lock);
-		if (!tun_flow_find(head, rxhash))
+		if (!tun_flow_find(head, rxhash) &&
+		    tun->flow_count < MAX_TAP_FLOWS)
 			tun_flow_create(tun, head, rxhash, queue_index);
 
 		if (!timer_pending(&tun->flow_gc_timer))
@@ -490,6 +495,10 @@
 	struct tun_file *tfile = file->private_data;
 	int err;
 
+	err = security_tun_dev_attach(tfile->socket.sk, tun->security);
+	if (err < 0)
+		goto out;
+
 	err = -EINVAL;
 	if (rtnl_dereference(tfile->tun))
 		goto out;
@@ -1373,6 +1382,7 @@
 
 	BUG_ON(!(list_empty(&tun->disabled)));
 	tun_flow_uninit(tun);
+	security_tun_dev_free_security(tun->security);
 	free_netdev(dev);
 }
 
@@ -1562,7 +1572,7 @@
 
 		if (tun_not_capable(tun))
 			return -EPERM;
-		err = security_tun_dev_attach(tfile->socket.sk);
+		err = security_tun_dev_open(tun->security);
 		if (err < 0)
 			return err;
 
@@ -1577,6 +1587,8 @@
 	else {
 		char *name;
 		unsigned long flags = 0;
+		int queues = ifr->ifr_flags & IFF_MULTI_QUEUE ?
+			     MAX_TAP_QUEUES : 1;
 
 		if (!ns_capable(net->user_ns, CAP_NET_ADMIN))
 			return -EPERM;
@@ -1600,8 +1612,8 @@
 			name = ifr->ifr_name;
 
 		dev = alloc_netdev_mqs(sizeof(struct tun_struct), name,
-				       tun_setup,
-				       MAX_TAP_QUEUES, MAX_TAP_QUEUES);
+				       tun_setup, queues, queues);
+
 		if (!dev)
 			return -ENOMEM;
 
@@ -1619,7 +1631,9 @@
 
 		spin_lock_init(&tun->lock);
 
-		security_tun_dev_post_create(&tfile->sk);
+		err = security_tun_dev_alloc_security(&tun->security);
+		if (err < 0)
+			goto err_free_dev;
 
 		tun_net_init(dev);
 
@@ -1789,10 +1803,14 @@
 
 	if (ifr->ifr_flags & IFF_ATTACH_QUEUE) {
 		tun = tfile->detached;
-		if (!tun)
+		if (!tun) {
 			ret = -EINVAL;
-		else
-			ret = tun_attach(tun, file);
+			goto unlock;
+		}
+		ret = security_tun_dev_attach_queue(tun->security);
+		if (ret < 0)
+			goto unlock;
+		ret = tun_attach(tun, file);
 	} else if (ifr->ifr_flags & IFF_DETACH_QUEUE) {
 		tun = rtnl_dereference(tfile->tun);
 		if (!tun || !(tun->flags & TUN_TAP_MQ))
@@ -1802,6 +1820,7 @@
 	} else
 		ret = -EINVAL;
 
+unlock:
 	rtnl_unlock();
 	return ret;
 }
diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c
index 42f51c7..248d2dc 100644
--- a/drivers/net/usb/cdc_mbim.c
+++ b/drivers/net/usb/cdc_mbim.c
@@ -374,6 +374,21 @@
 	.tx_fixup = cdc_mbim_tx_fixup,
 };
 
+/* MBIM and NCM devices should not need a ZLP after NTBs with
+ * dwNtbOutMaxSize length. This driver_info is for the exceptional
+ * devices requiring it anyway, allowing them to be supported without
+ * forcing the performance penalty on all the sane devices.
+ */
+static const struct driver_info cdc_mbim_info_zlp = {
+	.description = "CDC MBIM",
+	.flags = FLAG_NO_SETINT | FLAG_MULTI_PACKET | FLAG_WWAN | FLAG_SEND_ZLP,
+	.bind = cdc_mbim_bind,
+	.unbind = cdc_mbim_unbind,
+	.manage_power = cdc_mbim_manage_power,
+	.rx_fixup = cdc_mbim_rx_fixup,
+	.tx_fixup = cdc_mbim_tx_fixup,
+};
+
 static const struct usb_device_id mbim_devs[] = {
 	/* This duplicate NCM entry is intentional. MBIM devices can
 	 * be disguised as NCM by default, and this is necessary to
@@ -385,6 +400,10 @@
 	{ USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_NCM, USB_CDC_PROTO_NONE),
 	  .driver_info = (unsigned long)&cdc_mbim_info,
 	},
+	/* Sierra Wireless MC7710 need ZLPs */
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x68a2, USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE),
+	  .driver_info = (unsigned long)&cdc_mbim_info_zlp,
+	},
 	{ USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE),
 	  .driver_info = (unsigned long)&cdc_mbim_info,
 	},
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
index 71b6e92..9197b2c 100644
--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c
@@ -435,6 +435,13 @@
 		len -= temp;
 	}
 
+	/* some buggy devices have an IAD but no CDC Union */
+	if (!ctx->union_desc && intf->intf_assoc && intf->intf_assoc->bInterfaceCount == 2) {
+		ctx->control = intf;
+		ctx->data = usb_ifnum_to_if(dev->udev, intf->cur_altsetting->desc.bInterfaceNumber + 1);
+		dev_dbg(&intf->dev, "CDC Union missing - got slave from IAD\n");
+	}
+
 	/* check if we got everything */
 	if ((ctx->control == NULL) || (ctx->data == NULL) ||
 	    ((!ctx->mbim_desc) && ((ctx->ether_desc == NULL) || (ctx->control != intf))))
@@ -497,7 +504,8 @@
 error2:
 	usb_set_intfdata(ctx->control, NULL);
 	usb_set_intfdata(ctx->data, NULL);
-	usb_driver_release_interface(driver, ctx->data);
+	if (ctx->data != ctx->control)
+		usb_driver_release_interface(driver, ctx->data);
 error:
 	cdc_ncm_free((struct cdc_ncm_ctx *)dev->data[0]);
 	dev->data[0] = 0;
@@ -1155,6 +1163,20 @@
 	.tx_fixup = cdc_ncm_tx_fixup,
 };
 
+/* Same as wwan_info, but with FLAG_NOARP  */
+static const struct driver_info wwan_noarp_info = {
+	.description = "Mobile Broadband Network Device (NO ARP)",
+	.flags = FLAG_POINTTOPOINT | FLAG_NO_SETINT | FLAG_MULTI_PACKET
+			| FLAG_WWAN | FLAG_NOARP,
+	.bind = cdc_ncm_bind,
+	.unbind = cdc_ncm_unbind,
+	.check_connect = cdc_ncm_check_connect,
+	.manage_power = usbnet_manage_power,
+	.status = cdc_ncm_status,
+	.rx_fixup = cdc_ncm_rx_fixup,
+	.tx_fixup = cdc_ncm_tx_fixup,
+};
+
 static const struct usb_device_id cdc_devs[] = {
 	/* Ericsson MBM devices like F5521gw */
 	{ .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
@@ -1194,6 +1216,13 @@
 	  .driver_info = (unsigned long)&wwan_info,
 	},
 
+	/* Infineon(now Intel) HSPA Modem platform */
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x1519, 0x0443,
+		USB_CLASS_COMM,
+		USB_CDC_SUBCLASS_NCM, USB_CDC_PROTO_NONE),
+	  .driver_info = (unsigned long)&wwan_noarp_info,
+	},
+
 	/* Generic CDC-NCM devices */
 	{ USB_INTERFACE_INFO(USB_CLASS_COMM,
 		USB_CDC_SUBCLASS_NCM, USB_CDC_PROTO_NONE),
diff --git a/drivers/net/usb/dm9601.c b/drivers/net/usb/dm9601.c
index 3f554c1..d7e9944 100644
--- a/drivers/net/usb/dm9601.c
+++ b/drivers/net/usb/dm9601.c
@@ -45,6 +45,12 @@
 #define DM_MCAST_ADDR	0x16	/* 8 bytes */
 #define DM_GPR_CTRL	0x1e
 #define DM_GPR_DATA	0x1f
+#define DM_CHIP_ID	0x2c
+#define DM_MODE_CTRL	0x91	/* only on dm9620 */
+
+/* chip id values */
+#define ID_DM9601	0
+#define ID_DM9620	1
 
 #define DM_MAX_MCAST	64
 #define DM_MCAST_SIZE	8
@@ -53,7 +59,6 @@
 #define DM_RX_OVERHEAD	7	/* 3 byte header + 4 byte crc tail */
 #define DM_TIMEOUT	1000
 
-
 static int dm_read(struct usbnet *dev, u8 reg, u16 length, void *data)
 {
 	int err;
@@ -84,32 +89,23 @@
 
 static int dm_write_reg(struct usbnet *dev, u8 reg, u8 value)
 {
-	return usbnet_write_cmd(dev, DM_WRITE_REGS,
+	return usbnet_write_cmd(dev, DM_WRITE_REG,
 				USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 				value, reg, NULL, 0);
 }
 
-static void dm_write_async_helper(struct usbnet *dev, u8 reg, u8 value,
-				  u16 length, void *data)
+static void dm_write_async(struct usbnet *dev, u8 reg, u16 length, void *data)
 {
 	usbnet_write_cmd_async(dev, DM_WRITE_REGS,
 			       USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
-			       value, reg, data, length);
-}
-
-static void dm_write_async(struct usbnet *dev, u8 reg, u16 length, void *data)
-{
-	netdev_dbg(dev->net, "dm_write_async() reg=0x%02x length=%d\n", reg, length);
-
-	dm_write_async_helper(dev, reg, 0, length, data);
+			       0, reg, data, length);
 }
 
 static void dm_write_reg_async(struct usbnet *dev, u8 reg, u8 value)
 {
-	netdev_dbg(dev->net, "dm_write_reg_async() reg=0x%02x value=0x%02x\n",
-		   reg, value);
-
-	dm_write_async_helper(dev, reg, value, 0, NULL);
+	usbnet_write_cmd_async(dev, DM_WRITE_REG,
+			       USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+			       value, reg, NULL, 0);
 }
 
 static int dm_read_shared_word(struct usbnet *dev, int phy, u8 reg, __le16 *value)
@@ -358,7 +354,7 @@
 static int dm9601_bind(struct usbnet *dev, struct usb_interface *intf)
 {
 	int ret;
-	u8 mac[ETH_ALEN];
+	u8 mac[ETH_ALEN], id;
 
 	ret = usbnet_get_endpoints(dev, intf);
 	if (ret)
@@ -399,6 +395,24 @@
 		__dm9601_set_mac_address(dev);
 	}
 
+	if (dm_read_reg(dev, DM_CHIP_ID, &id) < 0) {
+		netdev_err(dev->net, "Error reading chip ID\n");
+		ret = -ENODEV;
+		goto out;
+	}
+
+	/* put dm9620 devices in dm9601 mode */
+	if (id == ID_DM9620) {
+		u8 mode;
+
+		if (dm_read_reg(dev, DM_MODE_CTRL, &mode) < 0) {
+			netdev_err(dev->net, "Error reading MODE_CTRL\n");
+			ret = -ENODEV;
+			goto out;
+		}
+		dm_write_reg(dev, DM_MODE_CTRL, mode & 0x7f);
+	}
+
 	/* power up phy */
 	dm_write_reg(dev, DM_GPR_CTRL, 1);
 	dm_write_reg(dev, DM_GPR_DATA, 0);
@@ -581,6 +595,10 @@
 	 USB_DEVICE(0x0a46, 0x9000),	/* DM9000E */
 	 .driver_info = (unsigned long)&dm9601_info,
 	 },
+	{
+	 USB_DEVICE(0x0a46, 0x9620),	/* DM9620 USB to Fast Ethernet Adapter */
+	 .driver_info = (unsigned long)&dm9601_info,
+	 },
 	{},			// END
 };
 
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 6a1ca50..575a583 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -433,6 +433,7 @@
 	{QMI_FIXED_INTF(0x19d2, 0x0199, 1)},	/* ZTE MF820S */
 	{QMI_FIXED_INTF(0x19d2, 0x0200, 1)},
 	{QMI_FIXED_INTF(0x19d2, 0x0257, 3)},	/* ZTE MF821 */
+	{QMI_FIXED_INTF(0x19d2, 0x0265, 4)},	/* ONDA MT8205 4G LTE */
 	{QMI_FIXED_INTF(0x19d2, 0x0284, 4)},	/* ZTE MF880 */
 	{QMI_FIXED_INTF(0x19d2, 0x0326, 4)},	/* ZTE MF821D */
 	{QMI_FIXED_INTF(0x19d2, 0x1008, 4)},	/* ZTE (Vodafone) K3570-Z */
@@ -459,6 +460,7 @@
 	{QMI_FIXED_INTF(0x1199, 0x68a2, 19)},	/* Sierra Wireless MC7710 in QMI mode */
 	{QMI_FIXED_INTF(0x1199, 0x901c, 8)},    /* Sierra Wireless EM7700 */
 	{QMI_FIXED_INTF(0x1bbb, 0x011e, 4)},	/* Telekom Speedstick LTE II (Alcatel One Touch L100V LTE) */
+	{QMI_FIXED_INTF(0x2357, 0x0201, 4)},	/* TP-LINK HSUPA Modem MA180 */
 
 	/* 4. Gobi 1000 devices */
 	{QMI_GOBI1K_DEVICE(0x05c6, 0x9212)},	/* Acer Gobi Modem Device */
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 3d4bf01..f34b2eb 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -1448,6 +1448,10 @@
 		if ((dev->driver_info->flags & FLAG_WWAN) != 0)
 			strcpy(net->name, "wwan%d");
 
+		/* devices that cannot do ARP */
+		if ((dev->driver_info->flags & FLAG_NOARP) != 0)
+			net->flags |= IFF_NOARP;
+
 		/* maybe the remote can't receive an Ethernet MTU */
 		if (net->mtu > (dev->hard_mtu - net->hard_header_len))
 			net->mtu = dev->hard_mtu - net->hard_header_len;
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index a6fcf15..35c00c5 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -26,6 +26,7 @@
 #include <linux/scatterlist.h>
 #include <linux/if_vlan.h>
 #include <linux/slab.h>
+#include <linux/cpu.h>
 
 static int napi_weight = 128;
 module_param(napi_weight, int, 0444);
@@ -123,6 +124,12 @@
 
 	/* Does the affinity hint is set for virtqueues? */
 	bool affinity_hint_set;
+
+	/* Per-cpu variable to show the mapping from CPU to virtqueue */
+	int __percpu *vq_index;
+
+	/* CPU hot plug notifier */
+	struct notifier_block nb;
 };
 
 struct skb_vnet_hdr {
@@ -1013,32 +1020,75 @@
 	return 0;
 }
 
-static void virtnet_set_affinity(struct virtnet_info *vi, bool set)
+static void virtnet_clean_affinity(struct virtnet_info *vi, long hcpu)
 {
 	int i;
+	int cpu;
+
+	if (vi->affinity_hint_set) {
+		for (i = 0; i < vi->max_queue_pairs; i++) {
+			virtqueue_set_affinity(vi->rq[i].vq, -1);
+			virtqueue_set_affinity(vi->sq[i].vq, -1);
+		}
+
+		vi->affinity_hint_set = false;
+	}
+
+	i = 0;
+	for_each_online_cpu(cpu) {
+		if (cpu == hcpu) {
+			*per_cpu_ptr(vi->vq_index, cpu) = -1;
+		} else {
+			*per_cpu_ptr(vi->vq_index, cpu) =
+				++i % vi->curr_queue_pairs;
+		}
+	}
+}
+
+static void virtnet_set_affinity(struct virtnet_info *vi)
+{
+	int i;
+	int cpu;
 
 	/* In multiqueue mode, when the number of cpu is equal to the number of
 	 * queue pairs, we let the queue pairs to be private to one cpu by
 	 * setting the affinity hint to eliminate the contention.
 	 */
-	if ((vi->curr_queue_pairs == 1 ||
-	     vi->max_queue_pairs != num_online_cpus()) && set) {
-		if (vi->affinity_hint_set)
-			set = false;
-		else
-			return;
+	if (vi->curr_queue_pairs == 1 ||
+	    vi->max_queue_pairs != num_online_cpus()) {
+		virtnet_clean_affinity(vi, -1);
+		return;
 	}
 
-	for (i = 0; i < vi->max_queue_pairs; i++) {
-		int cpu = set ? i : -1;
+	i = 0;
+	for_each_online_cpu(cpu) {
 		virtqueue_set_affinity(vi->rq[i].vq, cpu);
 		virtqueue_set_affinity(vi->sq[i].vq, cpu);
+		*per_cpu_ptr(vi->vq_index, cpu) = i;
+		i++;
 	}
 
-	if (set)
-		vi->affinity_hint_set = true;
-	else
-		vi->affinity_hint_set = false;
+	vi->affinity_hint_set = true;
+}
+
+static int virtnet_cpu_callback(struct notifier_block *nfb,
+			        unsigned long action, void *hcpu)
+{
+	struct virtnet_info *vi = container_of(nfb, struct virtnet_info, nb);
+
+	switch(action & ~CPU_TASKS_FROZEN) {
+	case CPU_ONLINE:
+	case CPU_DOWN_FAILED:
+	case CPU_DEAD:
+		virtnet_set_affinity(vi);
+		break;
+	case CPU_DOWN_PREPARE:
+		virtnet_clean_affinity(vi, (long)hcpu);
+		break;
+	default:
+		break;
+	}
+	return NOTIFY_OK;
 }
 
 static void virtnet_get_ringparam(struct net_device *dev,
@@ -1082,13 +1132,15 @@
 	if (queue_pairs > vi->max_queue_pairs)
 		return -EINVAL;
 
+	get_online_cpus();
 	err = virtnet_set_queues(vi, queue_pairs);
 	if (!err) {
 		netif_set_real_num_tx_queues(dev, queue_pairs);
 		netif_set_real_num_rx_queues(dev, queue_pairs);
 
-		virtnet_set_affinity(vi, true);
+		virtnet_set_affinity(vi);
 	}
+	put_online_cpus();
 
 	return err;
 }
@@ -1127,12 +1179,19 @@
 
 /* To avoid contending a lock hold by a vcpu who would exit to host, select the
  * txq based on the processor id.
- * TODO: handle cpu hotplug.
  */
 static u16 virtnet_select_queue(struct net_device *dev, struct sk_buff *skb)
 {
-	int txq = skb_rx_queue_recorded(skb) ? skb_get_rx_queue(skb) :
-		  smp_processor_id();
+	int txq;
+	struct virtnet_info *vi = netdev_priv(dev);
+
+	if (skb_rx_queue_recorded(skb)) {
+		txq = skb_get_rx_queue(skb);
+	} else {
+		txq = *__this_cpu_ptr(vi->vq_index);
+		if (txq == -1)
+			txq = 0;
+	}
 
 	while (unlikely(txq >= dev->real_num_tx_queues))
 		txq -= dev->real_num_tx_queues;
@@ -1248,7 +1307,7 @@
 {
 	struct virtio_device *vdev = vi->vdev;
 
-	virtnet_set_affinity(vi, false);
+	virtnet_clean_affinity(vi, -1);
 
 	vdev->config->del_vqs(vdev);
 
@@ -1371,7 +1430,10 @@
 	if (ret)
 		goto err_free;
 
-	virtnet_set_affinity(vi, true);
+	get_online_cpus();
+	virtnet_set_affinity(vi);
+	put_online_cpus();
+
 	return 0;
 
 err_free:
@@ -1453,6 +1515,10 @@
 	if (vi->stats == NULL)
 		goto free;
 
+	vi->vq_index = alloc_percpu(int);
+	if (vi->vq_index == NULL)
+		goto free_stats;
+
 	mutex_init(&vi->config_lock);
 	vi->config_enable = true;
 	INIT_WORK(&vi->config_work, virtnet_config_changed_work);
@@ -1476,7 +1542,7 @@
 	/* Allocate/initialize the rx/tx queues, and invoke find_vqs */
 	err = init_vqs(vi);
 	if (err)
-		goto free_stats;
+		goto free_index;
 
 	netif_set_real_num_tx_queues(dev, 1);
 	netif_set_real_num_rx_queues(dev, 1);
@@ -1499,6 +1565,13 @@
 		}
 	}
 
+	vi->nb.notifier_call = &virtnet_cpu_callback;
+	err = register_hotcpu_notifier(&vi->nb);
+	if (err) {
+		pr_debug("virtio_net: registering cpu notifier failed\n");
+		goto free_recv_bufs;
+	}
+
 	/* Assume link up if device can't report link status,
 	   otherwise get link status from config. */
 	if (virtio_has_feature(vi->vdev, VIRTIO_NET_F_STATUS)) {
@@ -1520,6 +1593,8 @@
 free_vqs:
 	cancel_delayed_work_sync(&vi->refill);
 	virtnet_del_vqs(vi);
+free_index:
+	free_percpu(vi->vq_index);
 free_stats:
 	free_percpu(vi->stats);
 free:
@@ -1543,6 +1618,8 @@
 {
 	struct virtnet_info *vi = vdev->priv;
 
+	unregister_hotcpu_notifier(&vi->nb);
+
 	/* Prevent config work handler from accessing the device. */
 	mutex_lock(&vi->config_lock);
 	vi->config_enable = false;
@@ -1554,6 +1631,7 @@
 
 	flush_work(&vi->config_work);
 
+	free_percpu(vi->vq_index);
 	free_percpu(vi->stats);
 	free_netdev(vi->dev);
 }
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
index 8b0d8dc..56317b0 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
@@ -976,6 +976,8 @@
 					  AR_PHY_CL_TAB_1,
 					  AR_PHY_CL_TAB_2 };
 
+	ar9003_hw_set_chain_masks(ah, ah->caps.rx_chainmask, ah->caps.tx_chainmask);
+
 	if (rtt) {
 		if (!ar9003_hw_rtt_restore(ah, chan))
 			run_rtt_cal = true;
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
index ce19c09..3afc24b 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -586,32 +586,19 @@
 	ath9k_hw_synth_delay(ah, chan, synthDelay);
 }
 
-static void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx)
+void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx)
 {
-	switch (rx) {
-	case 0x5:
+	if (ah->caps.tx_chainmask == 5 || ah->caps.rx_chainmask == 5)
 		REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
 			    AR_PHY_SWAP_ALT_CHAIN);
-	case 0x3:
-	case 0x1:
-	case 0x2:
-	case 0x7:
-		REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx);
-		REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx);
-		break;
-	default:
-		break;
-	}
+
+	REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx);
+	REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx);
 
 	if ((ah->caps.hw_caps & ATH9K_HW_CAP_APM) && (tx == 0x7))
-		REG_WRITE(ah, AR_SELFGEN_MASK, 0x3);
-	else
-		REG_WRITE(ah, AR_SELFGEN_MASK, tx);
+		tx = 3;
 
-	if (tx == 0x5) {
-		REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
-			    AR_PHY_SWAP_ALT_CHAIN);
-	}
+	REG_WRITE(ah, AR_SELFGEN_MASK, tx);
 }
 
 /*
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 86e26a1..42794c5 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -317,7 +317,6 @@
 	u32 *rxlink;
 	u32 num_pkts;
 	unsigned int rxfilter;
-	spinlock_t rxbuflock;
 	struct list_head rxbuf;
 	struct ath_descdma rxdma;
 	struct ath_buf *rx_bufptr;
@@ -328,7 +327,6 @@
 
 int ath_startrecv(struct ath_softc *sc);
 bool ath_stoprecv(struct ath_softc *sc);
-void ath_flushrecv(struct ath_softc *sc);
 u32 ath_calcrxfilter(struct ath_softc *sc);
 int ath_rx_init(struct ath_softc *sc, int nbufs);
 void ath_rx_cleanup(struct ath_softc *sc);
@@ -646,7 +644,6 @@
 enum sc_op_flags {
 	SC_OP_INVALID,
 	SC_OP_BEACONS,
-	SC_OP_RXFLUSH,
 	SC_OP_ANI_RUN,
 	SC_OP_PRIM_STA_VIF,
 	SC_OP_HW_RESET,
diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c
index 531fffd..2ca355e 100644
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -147,6 +147,7 @@
 				 skb->len, DMA_TO_DEVICE);
 		dev_kfree_skb_any(skb);
 		bf->bf_buf_addr = 0;
+		bf->bf_mpdu = NULL;
 	}
 
 	skb = ieee80211_beacon_get(hw, vif);
@@ -359,7 +360,6 @@
 		return;
 
 	bf = ath9k_beacon_generate(sc->hw, vif);
-	WARN_ON(!bf);
 
 	if (sc->beacon.bmisscnt != 0) {
 		ath_dbg(common, BSTUCK, "resume beacon xmit after %u misses\n",
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index 13ff9ed..e585fc8 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -861,7 +861,6 @@
 	RXS_ERR("RX-LENGTH-ERR", rx_len_err);
 	RXS_ERR("RX-OOM-ERR", rx_oom_err);
 	RXS_ERR("RX-RATE-ERR", rx_rate_err);
-	RXS_ERR("RX-DROP-RXFLUSH", rx_drop_rxflush);
 	RXS_ERR("RX-TOO-MANY-FRAGS", rx_too_many_frags_err);
 
 	PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN);
diff --git a/drivers/net/wireless/ath/ath9k/debug.h b/drivers/net/wireless/ath/ath9k/debug.h
index 375c3b4..6df2ab6 100644
--- a/drivers/net/wireless/ath/ath9k/debug.h
+++ b/drivers/net/wireless/ath/ath9k/debug.h
@@ -216,7 +216,6 @@
  * @rx_oom_err:  No. of frames dropped due to OOM issues.
  * @rx_rate_err:  No. of frames dropped due to rate errors.
  * @rx_too_many_frags_err:  Frames dropped due to too-many-frags received.
- * @rx_drop_rxflush: No. of frames dropped due to RX-FLUSH.
  * @rx_beacons:  No. of beacons received.
  * @rx_frags:  No. of rx-fragements received.
  */
@@ -235,7 +234,6 @@
 	u32 rx_oom_err;
 	u32 rx_rate_err;
 	u32 rx_too_many_frags_err;
-	u32 rx_drop_rxflush;
 	u32 rx_beacons;
 	u32 rx_frags;
 };
diff --git a/drivers/net/wireless/ath/ath9k/htc_hst.c b/drivers/net/wireless/ath/ath9k/htc_hst.c
index 4a9570d..aac4a40 100644
--- a/drivers/net/wireless/ath/ath9k/htc_hst.c
+++ b/drivers/net/wireless/ath/ath9k/htc_hst.c
@@ -344,6 +344,8 @@
 			endpoint->ep_callbacks.tx(endpoint->ep_callbacks.priv,
 						  skb, htc_hdr->endpoint_id,
 						  txok);
+		} else {
+			kfree_skb(skb);
 		}
 	}
 
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 7f1a8e9..9d26fc5 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -1066,6 +1066,7 @@
 int ar9003_paprd_init_table(struct ath_hw *ah);
 bool ar9003_paprd_is_done(struct ath_hw *ah);
 bool ar9003_is_paprd_enabled(struct ath_hw *ah);
+void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx);
 
 /* Hardware family op attach helpers */
 void ar5008_hw_attach_phy_ops(struct ath_hw *ah);
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index be30a9a..dd91f8f 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -182,7 +182,7 @@
 	ath_start_ani(sc);
 }
 
-static bool ath_prepare_reset(struct ath_softc *sc, bool retry_tx, bool flush)
+static bool ath_prepare_reset(struct ath_softc *sc, bool retry_tx)
 {
 	struct ath_hw *ah = sc->sc_ah;
 	bool ret = true;
@@ -202,14 +202,6 @@
 	if (!ath_drain_all_txq(sc, retry_tx))
 		ret = false;
 
-	if (!flush) {
-		if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
-			ath_rx_tasklet(sc, 1, true);
-		ath_rx_tasklet(sc, 1, false);
-	} else {
-		ath_flushrecv(sc);
-	}
-
 	return ret;
 }
 
@@ -262,11 +254,11 @@
 	struct ath_common *common = ath9k_hw_common(ah);
 	struct ath9k_hw_cal_data *caldata = NULL;
 	bool fastcc = true;
-	bool flush = false;
 	int r;
 
 	__ath_cancel_work(sc);
 
+	tasklet_disable(&sc->intr_tq);
 	spin_lock_bh(&sc->sc_pcu_lock);
 
 	if (!(sc->hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)) {
@@ -276,11 +268,10 @@
 
 	if (!hchan) {
 		fastcc = false;
-		flush = true;
 		hchan = ah->curchan;
 	}
 
-	if (!ath_prepare_reset(sc, retry_tx, flush))
+	if (!ath_prepare_reset(sc, retry_tx))
 		fastcc = false;
 
 	ath_dbg(common, CONFIG, "Reset to %u MHz, HT40: %d fastcc: %d\n",
@@ -302,6 +293,8 @@
 
 out:
 	spin_unlock_bh(&sc->sc_pcu_lock);
+	tasklet_enable(&sc->intr_tq);
+
 	return r;
 }
 
@@ -804,7 +797,7 @@
 		ath9k_hw_cfg_gpio_input(ah, ah->led_pin);
 	}
 
-	ath_prepare_reset(sc, false, true);
+	ath_prepare_reset(sc, false);
 
 	if (sc->rx.frag) {
 		dev_kfree_skb_any(sc->rx.frag);
@@ -1833,6 +1826,9 @@
 
 static bool validate_antenna_mask(struct ath_hw *ah, u32 val)
 {
+	if (AR_SREV_9300_20_OR_LATER(ah))
+		return true;
+
 	switch (val & 0x7) {
 	case 0x1:
 	case 0x3:
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index d4df98a..90752f2 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -254,8 +254,6 @@
 
 static void ath_edma_start_recv(struct ath_softc *sc)
 {
-	spin_lock_bh(&sc->rx.rxbuflock);
-
 	ath9k_hw_rxena(sc->sc_ah);
 
 	ath_rx_addbuffer_edma(sc, ATH9K_RX_QUEUE_HP,
@@ -267,8 +265,6 @@
 	ath_opmode_init(sc);
 
 	ath9k_hw_startpcureceive(sc->sc_ah, !!(sc->hw->conf.flags & IEEE80211_CONF_OFFCHANNEL));
-
-	spin_unlock_bh(&sc->rx.rxbuflock);
 }
 
 static void ath_edma_stop_recv(struct ath_softc *sc)
@@ -285,8 +281,6 @@
 	int error = 0;
 
 	spin_lock_init(&sc->sc_pcu_lock);
-	spin_lock_init(&sc->rx.rxbuflock);
-	clear_bit(SC_OP_RXFLUSH, &sc->sc_flags);
 
 	common->rx_bufsize = IEEE80211_MAX_MPDU_LEN / 2 +
 			     sc->sc_ah->caps.rx_status_len;
@@ -447,7 +441,6 @@
 		return 0;
 	}
 
-	spin_lock_bh(&sc->rx.rxbuflock);
 	if (list_empty(&sc->rx.rxbuf))
 		goto start_recv;
 
@@ -468,26 +461,31 @@
 	ath_opmode_init(sc);
 	ath9k_hw_startpcureceive(ah, !!(sc->hw->conf.flags & IEEE80211_CONF_OFFCHANNEL));
 
-	spin_unlock_bh(&sc->rx.rxbuflock);
-
 	return 0;
 }
 
+static void ath_flushrecv(struct ath_softc *sc)
+{
+	if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
+		ath_rx_tasklet(sc, 1, true);
+	ath_rx_tasklet(sc, 1, false);
+}
+
 bool ath_stoprecv(struct ath_softc *sc)
 {
 	struct ath_hw *ah = sc->sc_ah;
 	bool stopped, reset = false;
 
-	spin_lock_bh(&sc->rx.rxbuflock);
 	ath9k_hw_abortpcurecv(ah);
 	ath9k_hw_setrxfilter(ah, 0);
 	stopped = ath9k_hw_stopdmarecv(ah, &reset);
 
+	ath_flushrecv(sc);
+
 	if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
 		ath_edma_stop_recv(sc);
 	else
 		sc->rx.rxlink = NULL;
-	spin_unlock_bh(&sc->rx.rxbuflock);
 
 	if (!(ah->ah_flags & AH_UNPLUGGED) &&
 	    unlikely(!stopped)) {
@@ -499,15 +497,6 @@
 	return stopped && !reset;
 }
 
-void ath_flushrecv(struct ath_softc *sc)
-{
-	set_bit(SC_OP_RXFLUSH, &sc->sc_flags);
-	if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
-		ath_rx_tasklet(sc, 1, true);
-	ath_rx_tasklet(sc, 1, false);
-	clear_bit(SC_OP_RXFLUSH, &sc->sc_flags);
-}
-
 static bool ath_beacon_dtim_pending_cab(struct sk_buff *skb)
 {
 	/* Check whether the Beacon frame has DTIM indicating buffered bc/mc */
@@ -744,6 +733,7 @@
 			return NULL;
 	}
 
+	list_del(&bf->list);
 	if (!bf->bf_mpdu)
 		return bf;
 
@@ -1059,16 +1049,12 @@
 		dma_type = DMA_FROM_DEVICE;
 
 	qtype = hp ? ATH9K_RX_QUEUE_HP : ATH9K_RX_QUEUE_LP;
-	spin_lock_bh(&sc->rx.rxbuflock);
 
 	tsf = ath9k_hw_gettsf64(ah);
 	tsf_lower = tsf & 0xffffffff;
 
 	do {
 		bool decrypt_error = false;
-		/* If handling rx interrupt and flush is in progress => exit */
-		if (test_bit(SC_OP_RXFLUSH, &sc->sc_flags) && (flush == 0))
-			break;
 
 		memset(&rs, 0, sizeof(rs));
 		if (edma)
@@ -1111,15 +1097,6 @@
 
 		ath_debug_stat_rx(sc, &rs);
 
-		/*
-		 * If we're asked to flush receive queue, directly
-		 * chain it back at the queue without processing it.
-		 */
-		if (test_bit(SC_OP_RXFLUSH, &sc->sc_flags)) {
-			RX_STAT_INC(rx_drop_rxflush);
-			goto requeue_drop_frag;
-		}
-
 		memset(rxs, 0, sizeof(struct ieee80211_rx_status));
 
 		rxs->mactime = (tsf & ~0xffffffffULL) | rs.rs_tstamp;
@@ -1254,19 +1231,18 @@
 			sc->rx.frag = NULL;
 		}
 requeue:
+		list_add_tail(&bf->list, &sc->rx.rxbuf);
+		if (flush)
+			continue;
+
 		if (edma) {
-			list_add_tail(&bf->list, &sc->rx.rxbuf);
 			ath_rx_edma_buf_link(sc, qtype);
 		} else {
-			list_move_tail(&bf->list, &sc->rx.rxbuf);
 			ath_rx_buf_link(sc, bf);
-			if (!flush)
-				ath9k_hw_rxena(ah);
+			ath9k_hw_rxena(ah);
 		}
 	} while (1);
 
-	spin_unlock_bh(&sc->rx.rxbuflock);
-
 	if (!(ah->imask & ATH9K_INT_RXEOL)) {
 		ah->imask |= (ATH9K_INT_RXEOL | ATH9K_INT_RXORN);
 		ath9k_hw_set_interrupts(ah);
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
index 1fbd8ec..0f71d1d 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
@@ -1407,9 +1407,10 @@
 #endif
 	t->ms = ms;
 	t->periodic = (bool) periodic;
-	t->set = true;
-
-	atomic_inc(&t->wl->callbacks);
+	if (!t->set) {
+		t->set = true;
+		atomic_inc(&t->wl->callbacks);
+	}
 
 	ieee80211_queue_delayed_work(hw, &t->dly_wrk, msecs_to_jiffies(ms));
 }
diff --git a/drivers/net/wireless/iwlegacy/common.c b/drivers/net/wireless/iwlegacy/common.c
index 7e16d10..90b8970 100644
--- a/drivers/net/wireless/iwlegacy/common.c
+++ b/drivers/net/wireless/iwlegacy/common.c
@@ -3958,17 +3958,21 @@
 
 	memset(&il->staging, 0, sizeof(il->staging));
 
-	if (!il->vif) {
+	switch (il->iw_mode) {
+	case NL80211_IFTYPE_UNSPECIFIED:
 		il->staging.dev_type = RXON_DEV_TYPE_ESS;
-	} else if (il->vif->type == NL80211_IFTYPE_STATION) {
+		break;
+	case NL80211_IFTYPE_STATION:
 		il->staging.dev_type = RXON_DEV_TYPE_ESS;
 		il->staging.filter_flags = RXON_FILTER_ACCEPT_GRP_MSK;
-	} else if (il->vif->type == NL80211_IFTYPE_ADHOC) {
+		break;
+	case NL80211_IFTYPE_ADHOC:
 		il->staging.dev_type = RXON_DEV_TYPE_IBSS;
 		il->staging.flags = RXON_FLG_SHORT_PREAMBLE_MSK;
 		il->staging.filter_flags =
 		    RXON_FILTER_BCON_AWARE_MSK | RXON_FILTER_ACCEPT_GRP_MSK;
-	} else {
+		break;
+	default:
 		IL_ERR("Unsupported interface type %d\n", il->vif->type);
 		return;
 	}
@@ -4550,8 +4554,7 @@
 EXPORT_SYMBOL(il_mac_add_interface);
 
 static void
-il_teardown_interface(struct il_priv *il, struct ieee80211_vif *vif,
-		      bool mode_change)
+il_teardown_interface(struct il_priv *il, struct ieee80211_vif *vif)
 {
 	lockdep_assert_held(&il->mutex);
 
@@ -4560,9 +4563,7 @@
 		il_force_scan_end(il);
 	}
 
-	if (!mode_change)
-		il_set_mode(il);
-
+	il_set_mode(il);
 }
 
 void
@@ -4575,8 +4576,8 @@
 
 	WARN_ON(il->vif != vif);
 	il->vif = NULL;
-
-	il_teardown_interface(il, vif, false);
+	il->iw_mode = NL80211_IFTYPE_UNSPECIFIED;
+	il_teardown_interface(il, vif);
 	memset(il->bssid, 0, ETH_ALEN);
 
 	D_MAC80211("leave\n");
@@ -4685,18 +4686,10 @@
 	}
 
 	/* success */
-	il_teardown_interface(il, vif, true);
 	vif->type = newtype;
 	vif->p2p = false;
-	err = il_set_mode(il);
-	WARN_ON(err);
-	/*
-	 * We've switched internally, but submitting to the
-	 * device may have failed for some reason. Mask this
-	 * error, because otherwise mac80211 will not switch
-	 * (and set the interface type back) and we'll be
-	 * out of sync with it.
-	 */
+	il->iw_mode = newtype;
+	il_teardown_interface(il, vif);
 	err = 0;
 
 out:
diff --git a/drivers/net/wireless/iwlwifi/dvm/tx.c b/drivers/net/wireless/iwlwifi/dvm/tx.c
index a790599..31534f7 100644
--- a/drivers/net/wireless/iwlwifi/dvm/tx.c
+++ b/drivers/net/wireless/iwlwifi/dvm/tx.c
@@ -1079,6 +1079,8 @@
 {
 	u16 status = le16_to_cpu(tx_resp->status.status);
 
+	info->flags &= ~IEEE80211_TX_CTL_AMPDU;
+
 	info->status.rates[0].count = tx_resp->failure_frame + 1;
 	info->flags |= iwl_tx_status_to_mac80211(status);
 	iwlagn_hwrate_to_tx_control(priv, le32_to_cpu(tx_resp->rate_n_flags),
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index efe525b..cdb11b3 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -1459,7 +1459,7 @@
 	struct cfg80211_ssid req_ssid;
 	int ret, auth_type = 0;
 	struct cfg80211_bss *bss = NULL;
-	u8 is_scanning_required = 0, config_bands = 0;
+	u8 is_scanning_required = 0;
 
 	memset(&req_ssid, 0, sizeof(struct cfg80211_ssid));
 
@@ -1478,19 +1478,6 @@
 	/* disconnect before try to associate */
 	mwifiex_deauthenticate(priv, NULL);
 
-	if (channel) {
-		if (mode == NL80211_IFTYPE_STATION) {
-			if (channel->band == IEEE80211_BAND_2GHZ)
-				config_bands = BAND_B | BAND_G | BAND_GN;
-			else
-				config_bands = BAND_A | BAND_AN;
-
-			if (!((config_bands | priv->adapter->fw_bands) &
-			      ~priv->adapter->fw_bands))
-				priv->adapter->config_bands = config_bands;
-		}
-	}
-
 	/* As this is new association, clear locally stored
 	 * keys and security related flags */
 	priv->sec_info.wpa_enabled = false;
@@ -1707,7 +1694,7 @@
 
 		if (cfg80211_get_chandef_type(&params->chandef) !=
 						NL80211_CHAN_NO_HT)
-			config_bands |= BAND_GN;
+			config_bands |= BAND_G | BAND_GN;
 	} else {
 		if (cfg80211_get_chandef_type(&params->chandef) ==
 						NL80211_CHAN_NO_HT)
diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c
index 13fbc4e..b879e13 100644
--- a/drivers/net/wireless/mwifiex/pcie.c
+++ b/drivers/net/wireless/mwifiex/pcie.c
@@ -161,7 +161,7 @@
 
 	if (pdev) {
 		card = (struct pcie_service_card *) pci_get_drvdata(pdev);
-		if (!card || card->adapter) {
+		if (!card || !card->adapter) {
 			pr_err("Card or adapter structure is not valid\n");
 			return 0;
 		}
diff --git a/drivers/net/wireless/mwifiex/sta_ioctl.c b/drivers/net/wireless/mwifiex/sta_ioctl.c
index 60e88b5..f542bb8 100644
--- a/drivers/net/wireless/mwifiex/sta_ioctl.c
+++ b/drivers/net/wireless/mwifiex/sta_ioctl.c
@@ -283,6 +283,20 @@
 		if (ret)
 			goto done;
 
+		if (bss_desc) {
+			u8 config_bands = 0;
+
+			if (mwifiex_band_to_radio_type((u8) bss_desc->bss_band)
+			    == HostCmd_SCAN_RADIO_TYPE_BG)
+				config_bands = BAND_B | BAND_G | BAND_GN;
+			else
+				config_bands = BAND_A | BAND_AN;
+
+			if (!((config_bands | adapter->fw_bands) &
+			      ~adapter->fw_bands))
+				adapter->config_bands = config_bands;
+		}
+
 		ret = mwifiex_check_network_compatibility(priv, bss_desc);
 		if (ret)
 			goto done;
diff --git a/drivers/net/wireless/rtlwifi/Kconfig b/drivers/net/wireless/rtlwifi/Kconfig
index 21b1bbb..b80bc46 100644
--- a/drivers/net/wireless/rtlwifi/Kconfig
+++ b/drivers/net/wireless/rtlwifi/Kconfig
@@ -57,12 +57,12 @@
 
 config RTLWIFI
 	tristate
-	depends on RTL8192CE || RTL8192CU || RTL8192SE || RTL8192DE
+	depends on RTL8192CE || RTL8192CU || RTL8192SE || RTL8192DE || RTL8723AE
 	default m
 
 config RTLWIFI_DEBUG
 	bool "Additional debugging output"
-	depends on RTL8192CE || RTL8192CU || RTL8192SE || RTL8192DE
+	depends on RTL8192CE || RTL8192CU || RTL8192SE || RTL8192DE || RTL8723AE
 	default y
 
 config RTL8192C_COMMON
diff --git a/drivers/of/base.c b/drivers/of/base.c
index 16ee7a0..8b9fa83 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -24,33 +24,16 @@
 #include <linux/slab.h>
 #include <linux/proc_fs.h>
 
-/**
- * struct alias_prop - Alias property in 'aliases' node
- * @link:	List node to link the structure in aliases_lookup list
- * @alias:	Alias property name
- * @np:		Pointer to device_node that the alias stands for
- * @id:		Index value from end of alias name
- * @stem:	Alias string without the index
- *
- * The structure represents one alias property of 'aliases' node as
- * an entry in aliases_lookup list.
- */
-struct alias_prop {
-	struct list_head link;
-	const char *alias;
-	struct device_node *np;
-	int id;
-	char stem[0];
-};
+#include "of_private.h"
 
-static LIST_HEAD(aliases_lookup);
+LIST_HEAD(aliases_lookup);
 
 struct device_node *of_allnodes;
 EXPORT_SYMBOL(of_allnodes);
 struct device_node *of_chosen;
 struct device_node *of_aliases;
 
-static DEFINE_MUTEX(of_aliases_mutex);
+DEFINE_MUTEX(of_aliases_mutex);
 
 /* use when traversing tree through the allnext, child, sibling,
  * or parent members of struct device_node.
diff --git a/drivers/of/device.c b/drivers/of/device.c
index 4c74e4f..f685e55 100644
--- a/drivers/of/device.c
+++ b/drivers/of/device.c
@@ -8,6 +8,7 @@
 #include <linux/slab.h>
 
 #include <asm/errno.h>
+#include "of_private.h"
 
 /**
  * of_match_device - Tell if a struct device matches an of_device_id list
@@ -131,6 +132,7 @@
 void of_device_uevent(struct device *dev, struct kobj_uevent_env *env)
 {
 	const char *compat;
+	struct alias_prop *app;
 	int seen = 0, cplen, sl;
 
 	if ((!dev) || (!dev->of_node))
@@ -153,6 +155,17 @@
 		seen++;
 	}
 	add_uevent_var(env, "OF_COMPATIBLE_N=%d", seen);
+
+	seen = 0;
+	mutex_lock(&of_aliases_mutex);
+	list_for_each_entry(app, &aliases_lookup, link) {
+		if (dev->of_node == app->np) {
+			add_uevent_var(env, "OF_ALIAS_%d=%s", seen,
+				       app->alias);
+			seen++;
+		}
+	}
+	mutex_unlock(&of_aliases_mutex);
 }
 
 int of_device_uevent_modalias(struct device *dev, struct kobj_uevent_env *env)
diff --git a/drivers/of/of_private.h b/drivers/of/of_private.h
new file mode 100644
index 0000000..ff350c8
--- /dev/null
+++ b/drivers/of/of_private.h
@@ -0,0 +1,36 @@
+#ifndef _LINUX_OF_PRIVATE_H
+#define _LINUX_OF_PRIVATE_H
+/*
+ * Private symbols used by OF support code
+ *
+ * Paul Mackerras	August 1996.
+ * Copyright (C) 1996-2005 Paul Mackerras.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+/**
+ * struct alias_prop - Alias property in 'aliases' node
+ * @link:	List node to link the structure in aliases_lookup list
+ * @alias:	Alias property name
+ * @np:		Pointer to device_node that the alias stands for
+ * @id:		Index value from end of alias name
+ * @stem:	Alias string without the index
+ *
+ * The structure represents one alias property of 'aliases' node as
+ * an entry in aliases_lookup list.
+ */
+struct alias_prop {
+	struct list_head link;
+	const char *alias;
+	struct device_node *np;
+	int id;
+	char stem[0];
+};
+
+extern struct mutex of_aliases_mutex;
+extern struct list_head aliases_lookup;
+#endif /* _LINUX_OF_PRIVATE_H */
diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index b80891b..3c3e3ca 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -203,6 +203,7 @@
 					struct device *parent)
 {
 	struct platform_device *dev;
+	int rc;
 
 	if (!of_device_is_available(np))
 		return NULL;
@@ -214,16 +215,24 @@
 #if defined(CONFIG_MICROBLAZE)
 	dev->archdata.dma_mask = 0xffffffffUL;
 #endif
+	dev->name = dev_name(&dev->dev);
 	dev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
-	dev->dev.bus = &platform_bus_type;
 	dev->dev.platform_data = platform_data;
+	dev->dev.id = PLATFORM_DEVID_NONE;
+	/* device_add will assume that this device is on the same node as
+	 * the parent. If there is no parent defined, set the node
+	 * explicitly */
+	if (!parent)
+		set_dev_node(&dev->dev, of_node_to_nid(np));
 
 	/* We do not fill the DMA ops for platform devices by default.
 	 * This is currently the responsibility of the platform code
 	 * to do such, possibly using a device notifier
 	 */
 
-	if (of_device_add(dev) != 0) {
+	rc = platform_device_add(dev);
+	if (rc) {
+		dev_err(&dev->dev, "device registration failed\n");
 		platform_device_put(dev);
 		return NULL;
 	}
diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
index 26ffd3e..2c113de 100644
--- a/drivers/pci/hotplug/pciehp.h
+++ b/drivers/pci/hotplug/pciehp.h
@@ -44,7 +44,6 @@
 extern int pciehp_poll_time;
 extern bool pciehp_debug;
 extern bool pciehp_force;
-extern struct workqueue_struct *pciehp_wq;
 
 #define dbg(format, arg...)						\
 do {									\
@@ -78,6 +77,7 @@
 	struct hotplug_slot *hotplug_slot;
 	struct delayed_work work;	/* work for button event */
 	struct mutex lock;
+	struct workqueue_struct *wq;
 };
 
 struct event_info {
diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c
index 916bf4f..939bd1d 100644
--- a/drivers/pci/hotplug/pciehp_core.c
+++ b/drivers/pci/hotplug/pciehp_core.c
@@ -42,7 +42,6 @@
 bool pciehp_poll_mode;
 int pciehp_poll_time;
 bool pciehp_force;
-struct workqueue_struct *pciehp_wq;
 
 #define DRIVER_VERSION	"0.4"
 #define DRIVER_AUTHOR	"Dan Zink <dan.zink@compaq.com>, Greg Kroah-Hartman <greg@kroah.com>, Dely Sy <dely.l.sy@intel.com>"
@@ -340,18 +339,13 @@
 {
 	int retval = 0;
 
-	pciehp_wq = alloc_workqueue("pciehp", 0, 0);
-	if (!pciehp_wq)
-		return -ENOMEM;
-
 	pciehp_firmware_init();
 	retval = pcie_port_service_register(&hpdriver_portdrv);
  	dbg("pcie_port_service_register = %d\n", retval);
   	info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
- 	if (retval) {
-		destroy_workqueue(pciehp_wq);
+	if (retval)
 		dbg("Failure to register service\n");
-	}
+
 	return retval;
 }
 
@@ -359,7 +353,6 @@
 {
 	dbg("unload_pciehpd()\n");
 	pcie_port_service_unregister(&hpdriver_portdrv);
-	destroy_workqueue(pciehp_wq);
 	info(DRIVER_DESC " version: " DRIVER_VERSION " unloaded\n");
 }
 
diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c
index 27f4429..38f0186 100644
--- a/drivers/pci/hotplug/pciehp_ctrl.c
+++ b/drivers/pci/hotplug/pciehp_ctrl.c
@@ -49,7 +49,7 @@
 	info->p_slot = p_slot;
 	INIT_WORK(&info->work, interrupt_event_handler);
 
-	queue_work(pciehp_wq, &info->work);
+	queue_work(p_slot->wq, &info->work);
 
 	return 0;
 }
@@ -344,7 +344,7 @@
 		kfree(info);
 		goto out;
 	}
-	queue_work(pciehp_wq, &info->work);
+	queue_work(p_slot->wq, &info->work);
  out:
 	mutex_unlock(&p_slot->lock);
 }
@@ -377,7 +377,7 @@
 		if (ATTN_LED(ctrl))
 			pciehp_set_attention_status(p_slot, 0);
 
-		queue_delayed_work(pciehp_wq, &p_slot->work, 5*HZ);
+		queue_delayed_work(p_slot->wq, &p_slot->work, 5*HZ);
 		break;
 	case BLINKINGOFF_STATE:
 	case BLINKINGON_STATE:
@@ -439,7 +439,7 @@
 	else
 		p_slot->state = POWERON_STATE;
 
-	queue_work(pciehp_wq, &info->work);
+	queue_work(p_slot->wq, &info->work);
 }
 
 static void interrupt_event_handler(struct work_struct *work)
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 13b2eaf..5127f3f 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -773,23 +773,32 @@
 static int pcie_init_slot(struct controller *ctrl)
 {
 	struct slot *slot;
+	char name[32];
 
 	slot = kzalloc(sizeof(*slot), GFP_KERNEL);
 	if (!slot)
 		return -ENOMEM;
 
+	snprintf(name, sizeof(name), "pciehp-%u", PSN(ctrl));
+	slot->wq = alloc_workqueue(name, 0, 0);
+	if (!slot->wq)
+		goto abort;
+
 	slot->ctrl = ctrl;
 	mutex_init(&slot->lock);
 	INIT_DELAYED_WORK(&slot->work, pciehp_queue_pushbutton_work);
 	ctrl->slot = slot;
 	return 0;
+abort:
+	kfree(slot);
+	return -ENOMEM;
 }
 
 static void pcie_cleanup_slot(struct controller *ctrl)
 {
 	struct slot *slot = ctrl->slot;
 	cancel_delayed_work(&slot->work);
-	flush_workqueue(pciehp_wq);
+	destroy_workqueue(slot->wq);
 	kfree(slot);
 }
 
diff --git a/drivers/pci/hotplug/shpchp.h b/drivers/pci/hotplug/shpchp.h
index ca64932..b849f995 100644
--- a/drivers/pci/hotplug/shpchp.h
+++ b/drivers/pci/hotplug/shpchp.h
@@ -46,8 +46,6 @@
 extern bool shpchp_poll_mode;
 extern int shpchp_poll_time;
 extern bool shpchp_debug;
-extern struct workqueue_struct *shpchp_wq;
-extern struct workqueue_struct *shpchp_ordered_wq;
 
 #define dbg(format, arg...)						\
 do {									\
@@ -91,6 +89,7 @@
 	struct list_head	slot_list;
 	struct delayed_work work;	/* work for button event */
 	struct mutex lock;
+	struct workqueue_struct *wq;
 	u8 hp_slot;
 };
 
diff --git a/drivers/pci/hotplug/shpchp_core.c b/drivers/pci/hotplug/shpchp_core.c
index b6de307..3100c52 100644
--- a/drivers/pci/hotplug/shpchp_core.c
+++ b/drivers/pci/hotplug/shpchp_core.c
@@ -39,8 +39,6 @@
 bool shpchp_debug;
 bool shpchp_poll_mode;
 int shpchp_poll_time;
-struct workqueue_struct *shpchp_wq;
-struct workqueue_struct *shpchp_ordered_wq;
 
 #define DRIVER_VERSION	"0.4"
 #define DRIVER_AUTHOR	"Dan Zink <dan.zink@compaq.com>, Greg Kroah-Hartman <greg@kroah.com>, Dely Sy <dely.l.sy@intel.com>"
@@ -129,6 +127,14 @@
 		slot->device = ctrl->slot_device_offset + i;
 		slot->hpc_ops = ctrl->hpc_ops;
 		slot->number = ctrl->first_slot + (ctrl->slot_num_inc * i);
+
+		snprintf(name, sizeof(name), "shpchp-%d", slot->number);
+		slot->wq = alloc_workqueue(name, 0, 0);
+		if (!slot->wq) {
+			retval = -ENOMEM;
+			goto error_info;
+		}
+
 		mutex_init(&slot->lock);
 		INIT_DELAYED_WORK(&slot->work, shpchp_queue_pushbutton_work);
 
@@ -148,7 +154,7 @@
 		if (retval) {
 			ctrl_err(ctrl, "pci_hp_register failed with error %d\n",
 				 retval);
-			goto error_info;
+			goto error_slotwq;
 		}
 
 		get_power_status(hotplug_slot, &info->power_status);
@@ -160,6 +166,8 @@
 	}
 
 	return 0;
+error_slotwq:
+	destroy_workqueue(slot->wq);
 error_info:
 	kfree(info);
 error_hpslot:
@@ -180,8 +188,7 @@
 		slot = list_entry(tmp, struct slot, slot_list);
 		list_del(&slot->slot_list);
 		cancel_delayed_work(&slot->work);
-		flush_workqueue(shpchp_wq);
-		flush_workqueue(shpchp_ordered_wq);
+		destroy_workqueue(slot->wq);
 		pci_hp_deregister(slot->hotplug_slot);
 	}
 }
@@ -364,25 +371,12 @@
 
 static int __init shpcd_init(void)
 {
-	int retval = 0;
-
-	shpchp_wq = alloc_ordered_workqueue("shpchp", 0);
-	if (!shpchp_wq)
-		return -ENOMEM;
-
-	shpchp_ordered_wq = alloc_ordered_workqueue("shpchp_ordered", 0);
-	if (!shpchp_ordered_wq) {
-		destroy_workqueue(shpchp_wq);
-		return -ENOMEM;
-	}
+	int retval;
 
 	retval = pci_register_driver(&shpc_driver);
 	dbg("%s: pci_register_driver = %d\n", __func__, retval);
 	info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
-	if (retval) {
-		destroy_workqueue(shpchp_ordered_wq);
-		destroy_workqueue(shpchp_wq);
-	}
+
 	return retval;
 }
 
@@ -390,8 +384,6 @@
 {
 	dbg("unload_shpchpd()\n");
 	pci_unregister_driver(&shpc_driver);
-	destroy_workqueue(shpchp_ordered_wq);
-	destroy_workqueue(shpchp_wq);
 	info(DRIVER_DESC " version: " DRIVER_VERSION " unloaded\n");
 }
 
diff --git a/drivers/pci/hotplug/shpchp_ctrl.c b/drivers/pci/hotplug/shpchp_ctrl.c
index f9b5a52..5849927 100644
--- a/drivers/pci/hotplug/shpchp_ctrl.c
+++ b/drivers/pci/hotplug/shpchp_ctrl.c
@@ -51,7 +51,7 @@
 	info->p_slot = p_slot;
 	INIT_WORK(&info->work, interrupt_event_handler);
 
-	queue_work(shpchp_wq, &info->work);
+	queue_work(p_slot->wq, &info->work);
 
 	return 0;
 }
@@ -453,7 +453,7 @@
 		kfree(info);
 		goto out;
 	}
-	queue_work(shpchp_ordered_wq, &info->work);
+	queue_work(p_slot->wq, &info->work);
  out:
 	mutex_unlock(&p_slot->lock);
 }
@@ -501,7 +501,7 @@
 		p_slot->hpc_ops->green_led_blink(p_slot);
 		p_slot->hpc_ops->set_attention_status(p_slot, 0);
 
-		queue_delayed_work(shpchp_wq, &p_slot->work, 5*HZ);
+		queue_delayed_work(p_slot->wq, &p_slot->work, 5*HZ);
 		break;
 	case BLINKINGOFF_STATE:
 	case BLINKINGON_STATE:
diff --git a/drivers/pci/pcie/Kconfig b/drivers/pci/pcie/Kconfig
index 6c8bc58..fde4a32 100644
--- a/drivers/pci/pcie/Kconfig
+++ b/drivers/pci/pcie/Kconfig
@@ -82,4 +82,4 @@
 
 config PCIE_PME
 	def_bool y
-	depends on PCIEPORTBUS && PM_RUNTIME && EXPERIMENTAL && ACPI
+	depends on PCIEPORTBUS && PM_RUNTIME && ACPI
diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
index 421bbc5..564d97f 100644
--- a/drivers/pci/pcie/aer/aerdrv_core.c
+++ b/drivers/pci/pcie/aer/aerdrv_core.c
@@ -630,6 +630,7 @@
 			continue;
 		}
 		do_recovery(pdev, entry.severity);
+		pci_dev_put(pdev);
 	}
 }
 #endif
diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
index b52630b..8474b6a 100644
--- a/drivers/pci/pcie/aspm.c
+++ b/drivers/pci/pcie/aspm.c
@@ -771,6 +771,9 @@
 {
 	struct pci_dev *child;
 
+	if (aspm_force)
+		return;
+
 	/*
 	 * Clear any ASPM setup that the firmware has carried out on this bus
 	 */
diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
index c31aeb0..efaecef 100644
--- a/drivers/pinctrl/Kconfig
+++ b/drivers/pinctrl/Kconfig
@@ -181,7 +181,6 @@
 
 config PINCTRL_SAMSUNG
 	bool
-	depends on OF && GPIOLIB
 	select PINMUX
 	select PINCONF
 
diff --git a/drivers/pinctrl/mvebu/pinctrl-dove.c b/drivers/pinctrl/mvebu/pinctrl-dove.c
index 69aba36..428ea96 100644
--- a/drivers/pinctrl/mvebu/pinctrl-dove.c
+++ b/drivers/pinctrl/mvebu/pinctrl-dove.c
@@ -588,7 +588,7 @@
 {
 	const struct of_device_id *match =
 		of_match_device(dove_pinctrl_of_match, &pdev->dev);
-	pdev->dev.platform_data = match->data;
+	pdev->dev.platform_data = (void *)match->data;
 
 	/*
 	 * General MPP Configuration Register is part of pdma registers.
diff --git a/drivers/pinctrl/mvebu/pinctrl-kirkwood.c b/drivers/pinctrl/mvebu/pinctrl-kirkwood.c
index f12084e..cdd483d 100644
--- a/drivers/pinctrl/mvebu/pinctrl-kirkwood.c
+++ b/drivers/pinctrl/mvebu/pinctrl-kirkwood.c
@@ -66,9 +66,9 @@
 		MPP_VAR_FUNCTION(0x5, "sata0", "act",    V(0, 1, 1, 1, 1, 0)),
 		MPP_VAR_FUNCTION(0xb, "lcd", "vsync",    V(0, 0, 0, 0, 1, 0))),
 	MPP_MODE(6,
-		MPP_VAR_FUNCTION(0x0, "sysrst", "out",   V(1, 1, 1, 1, 1, 1)),
-		MPP_VAR_FUNCTION(0x1, "spi", "mosi",     V(1, 1, 1, 1, 1, 1)),
-		MPP_VAR_FUNCTION(0x2, "ptp", "trig",     V(1, 1, 1, 1, 0, 0))),
+		MPP_VAR_FUNCTION(0x1, "sysrst", "out",   V(1, 1, 1, 1, 1, 1)),
+		MPP_VAR_FUNCTION(0x2, "spi", "mosi",     V(1, 1, 1, 1, 1, 1)),
+		MPP_VAR_FUNCTION(0x3, "ptp", "trig",     V(1, 1, 1, 1, 0, 0))),
 	MPP_MODE(7,
 		MPP_VAR_FUNCTION(0x0, "gpo", NULL,       V(1, 1, 1, 1, 1, 1)),
 		MPP_VAR_FUNCTION(0x1, "pex", "rsto",     V(1, 1, 1, 1, 0, 1)),
@@ -458,7 +458,7 @@
 {
 	const struct of_device_id *match =
 		of_match_device(kirkwood_pinctrl_of_match, &pdev->dev);
-	pdev->dev.platform_data = match->data;
+	pdev->dev.platform_data = (void *)match->data;
 	return mvebu_pinctrl_probe(pdev);
 }
 
diff --git a/drivers/pinctrl/pinctrl-exynos5440.c b/drivers/pinctrl/pinctrl-exynos5440.c
index de05b64..1427299 100644
--- a/drivers/pinctrl/pinctrl-exynos5440.c
+++ b/drivers/pinctrl/pinctrl-exynos5440.c
@@ -599,7 +599,7 @@
 }
 
 /* parse the pin numbers listed in the 'samsung,exynos5440-pins' property */
-static int __init exynos5440_pinctrl_parse_dt_pins(struct platform_device *pdev,
+static int exynos5440_pinctrl_parse_dt_pins(struct platform_device *pdev,
 			struct device_node *cfg_np, unsigned int **pin_list,
 			unsigned int *npins)
 {
@@ -630,7 +630,7 @@
  * Parse the information about all the available pin groups and pin functions
  * from device node of the pin-controller.
  */
-static int __init exynos5440_pinctrl_parse_dt(struct platform_device *pdev,
+static int exynos5440_pinctrl_parse_dt(struct platform_device *pdev,
 				struct exynos5440_pinctrl_priv_data *priv)
 {
 	struct device *dev = &pdev->dev;
@@ -723,7 +723,7 @@
 }
 
 /* register the pinctrl interface with the pinctrl subsystem */
-static int __init exynos5440_pinctrl_register(struct platform_device *pdev,
+static int exynos5440_pinctrl_register(struct platform_device *pdev,
 				struct exynos5440_pinctrl_priv_data *priv)
 {
 	struct device *dev = &pdev->dev;
@@ -798,7 +798,7 @@
 }
 
 /* register the gpiolib interface with the gpiolib subsystem */
-static int __init exynos5440_gpiolib_register(struct platform_device *pdev,
+static int exynos5440_gpiolib_register(struct platform_device *pdev,
 				struct exynos5440_pinctrl_priv_data *priv)
 {
 	struct gpio_chip *gc;
@@ -831,7 +831,7 @@
 }
 
 /* unregister the gpiolib interface with the gpiolib subsystem */
-static int __init exynos5440_gpiolib_unregister(struct platform_device *pdev,
+static int exynos5440_gpiolib_unregister(struct platform_device *pdev,
 				struct exynos5440_pinctrl_priv_data *priv)
 {
 	int ret = gpiochip_remove(priv->gc);
diff --git a/drivers/pinctrl/pinctrl-mxs.c b/drivers/pinctrl/pinctrl-mxs.c
index dd227d2..23af9f1 100644
--- a/drivers/pinctrl/pinctrl-mxs.c
+++ b/drivers/pinctrl/pinctrl-mxs.c
@@ -146,7 +146,7 @@
 static void mxs_dt_free_map(struct pinctrl_dev *pctldev,
 			    struct pinctrl_map *map, unsigned num_maps)
 {
-	int i;
+	u32 i;
 
 	for (i = 0; i < num_maps; i++) {
 		if (map[i].type == PIN_MAP_TYPE_MUX_GROUP)
@@ -203,7 +203,7 @@
 	void __iomem *reg;
 	u8 bank, shift;
 	u16 pin;
-	int i;
+	u32 i;
 
 	for (i = 0; i < g->npins; i++) {
 		bank = PINID_TO_BANK(g->pins[i]);
@@ -256,7 +256,7 @@
 	void __iomem *reg;
 	u8 ma, vol, pull, bank, shift;
 	u16 pin;
-	int i;
+	u32 i;
 
 	ma = CONFIG_TO_MA(config);
 	vol = CONFIG_TO_VOL(config);
@@ -345,8 +345,7 @@
 	const char *propname = "fsl,pinmux-ids";
 	char *group;
 	int length = strlen(np->name) + SUFFIX_LEN;
-	int i;
-	u32 val;
+	u32 val, i;
 
 	group = devm_kzalloc(&pdev->dev, length, GFP_KERNEL);
 	if (!group)
diff --git a/drivers/pinctrl/pinctrl-nomadik.c b/drivers/pinctrl/pinctrl-nomadik.c
index 1bb16ff..5767b18 100644
--- a/drivers/pinctrl/pinctrl-nomadik.c
+++ b/drivers/pinctrl/pinctrl-nomadik.c
@@ -676,7 +676,7 @@
 }
 EXPORT_SYMBOL(nmk_gpio_set_mode);
 
-static int nmk_prcm_gpiocr_get_mode(struct pinctrl_dev *pctldev, int gpio)
+static int __maybe_unused nmk_prcm_gpiocr_get_mode(struct pinctrl_dev *pctldev, int gpio)
 {
 	int i;
 	u16 reg;
diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c
index f6a360b..5c32e88 100644
--- a/drivers/pinctrl/pinctrl-single.c
+++ b/drivers/pinctrl/pinctrl-single.c
@@ -30,7 +30,6 @@
 #define PCS_MUX_BITS_NAME		"pinctrl-single,bits"
 #define PCS_REG_NAME_LEN		((sizeof(unsigned long) * 2) + 1)
 #define PCS_OFF_DISABLED		~0U
-#define PCS_MAX_GPIO_VALUES		2
 
 /**
  * struct pcs_pingroup - pingroups for a function
@@ -78,16 +77,6 @@
 };
 
 /**
- * struct pcs_gpio_range - pinctrl gpio range
- * @range:	subrange of the GPIO number space
- * @gpio_func:	gpio function value in the pinmux register
- */
-struct pcs_gpio_range {
-	struct pinctrl_gpio_range range;
-	int gpio_func;
-};
-
-/**
  * struct pcs_data - wrapper for data needed by pinctrl framework
  * @pa:		pindesc array
  * @cur:	index to current element
@@ -414,26 +403,9 @@
 }
 
 static int pcs_request_gpio(struct pinctrl_dev *pctldev,
-			    struct pinctrl_gpio_range *range, unsigned pin)
+			struct pinctrl_gpio_range *range, unsigned offset)
 {
-	struct pcs_device *pcs = pinctrl_dev_get_drvdata(pctldev);
-	struct pcs_gpio_range *gpio = NULL;
-	int end, mux_bytes;
-	unsigned data;
-
-	gpio = container_of(range, struct pcs_gpio_range, range);
-	end = range->pin_base + range->npins - 1;
-	if (pin < range->pin_base || pin > end) {
-		dev_err(pctldev->dev,
-			"pin %d isn't in the range of %d to %d\n",
-			pin, range->pin_base, end);
-		return -EINVAL;
-	}
-	mux_bytes = pcs->width / BITS_PER_BYTE;
-	data = pcs->read(pcs->base + pin * mux_bytes) & ~pcs->fmask;
-	data |= gpio->gpio_func;
-	pcs->write(data, pcs->base + pin * mux_bytes);
-	return 0;
+	return -ENOTSUPP;
 }
 
 static struct pinmux_ops pcs_pinmux_ops = {
@@ -907,49 +879,6 @@
 
 static struct of_device_id pcs_of_match[];
 
-static int pcs_add_gpio_range(struct device_node *node, struct pcs_device *pcs)
-{
-	struct pcs_gpio_range *gpio;
-	struct device_node *child;
-	struct resource r;
-	const char name[] = "pinctrl-single";
-	u32 gpiores[PCS_MAX_GPIO_VALUES];
-	int ret, i = 0, mux_bytes = 0;
-
-	for_each_child_of_node(node, child) {
-		ret = of_address_to_resource(child, 0, &r);
-		if (ret < 0)
-			continue;
-		memset(gpiores, 0, sizeof(u32) * PCS_MAX_GPIO_VALUES);
-		ret = of_property_read_u32_array(child, "pinctrl-single,gpio",
-						 gpiores, PCS_MAX_GPIO_VALUES);
-		if (ret < 0)
-			continue;
-		gpio = devm_kzalloc(pcs->dev, sizeof(*gpio), GFP_KERNEL);
-		if (!gpio) {
-			dev_err(pcs->dev, "failed to allocate pcs gpio\n");
-			return -ENOMEM;
-		}
-		gpio->range.name = devm_kzalloc(pcs->dev, sizeof(name),
-						GFP_KERNEL);
-		if (!gpio->range.name) {
-			dev_err(pcs->dev, "failed to allocate range name\n");
-			return -ENOMEM;
-		}
-		memcpy((char *)gpio->range.name, name, sizeof(name));
-
-		gpio->range.id = i++;
-		gpio->range.base = gpiores[0];
-		gpio->gpio_func = gpiores[1];
-		mux_bytes = pcs->width / BITS_PER_BYTE;
-		gpio->range.pin_base = (r.start - pcs->res->start) / mux_bytes;
-		gpio->range.npins = (r.end - r.start) / mux_bytes + 1;
-
-		pinctrl_add_gpio_range(pcs->pctl, &gpio->range);
-	}
-	return 0;
-}
-
 static int pcs_probe(struct platform_device *pdev)
 {
 	struct device_node *np = pdev->dev.of_node;
@@ -1046,10 +975,6 @@
 		goto free;
 	}
 
-	ret = pcs_add_gpio_range(np, pcs);
-	if (ret < 0)
-		goto free;
-
 	dev_info(pcs->dev, "%i pins at pa %p size %u\n",
 		 pcs->desc.npins, pcs->base, pcs->size);
 
diff --git a/drivers/platform/x86/ibm_rtl.c b/drivers/platform/x86/ibm_rtl.c
index 7481146..97c2be1 100644
--- a/drivers/platform/x86/ibm_rtl.c
+++ b/drivers/platform/x86/ibm_rtl.c
@@ -244,7 +244,7 @@
 	if (force)
 		pr_warn("module loaded by force\n");
 	/* first ensure that we are running on IBM HW */
-	else if (efi_enabled || !dmi_check_system(ibm_rtl_dmi_table))
+	else if (efi_enabled(EFI_BOOT) || !dmi_check_system(ibm_rtl_dmi_table))
 		return -ENODEV;
 
 	/* Get the address for the Extended BIOS Data Area */
diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c
index 71623a2..d1f03005 100644
--- a/drivers/platform/x86/samsung-laptop.c
+++ b/drivers/platform/x86/samsung-laptop.c
@@ -26,6 +26,7 @@
 #include <linux/seq_file.h>
 #include <linux/debugfs.h>
 #include <linux/ctype.h>
+#include <linux/efi.h>
 #include <acpi/video.h>
 
 /*
@@ -1544,6 +1545,9 @@
 	struct samsung_laptop *samsung;
 	int ret;
 
+	if (efi_enabled(EFI_BOOT))
+		return -ENODEV;
+
 	quirks = &samsung_unknown;
 	if (!force && !dmi_check_system(samsung_dmi_table))
 		return -ENODEV;
diff --git a/drivers/regulator/dbx500-prcmu.c b/drivers/regulator/dbx500-prcmu.c
index 261f3d2..89bd2fa 100644
--- a/drivers/regulator/dbx500-prcmu.c
+++ b/drivers/regulator/dbx500-prcmu.c
@@ -14,6 +14,7 @@
 #include <linux/debugfs.h>
 #include <linux/seq_file.h>
 #include <linux/slab.h>
+#include <linux/module.h>
 
 #include "dbx500-prcmu.h"
 
diff --git a/drivers/regulator/tps80031-regulator.c b/drivers/regulator/tps80031-regulator.c
index b15d711..9019d0e 100644
--- a/drivers/regulator/tps80031-regulator.c
+++ b/drivers/regulator/tps80031-regulator.c
@@ -728,7 +728,7 @@
 			}
 		}
 		rdev = regulator_register(&ri->rinfo->desc, &config);
-		if (IS_ERR_OR_NULL(rdev)) {
+		if (IS_ERR(rdev)) {
 			dev_err(&pdev->dev,
 				"register regulator failed %s\n",
 					ri->rinfo->desc.name);
diff --git a/drivers/scsi/isci/init.c b/drivers/scsi/isci/init.c
index d73fdcf..2839baa 100644
--- a/drivers/scsi/isci/init.c
+++ b/drivers/scsi/isci/init.c
@@ -633,7 +633,7 @@
 		return -ENOMEM;
 	pci_set_drvdata(pdev, pci_info);
 
-	if (efi_enabled)
+	if (efi_enabled(EFI_RUNTIME_SERVICES))
 		orom = isci_get_efi_var(pdev);
 
 	if (!orom)
diff --git a/drivers/staging/iio/adc/mxs-lradc.c b/drivers/staging/iio/adc/mxs-lradc.c
index fb31b45..c5ceb9d 100644
--- a/drivers/staging/iio/adc/mxs-lradc.c
+++ b/drivers/staging/iio/adc/mxs-lradc.c
@@ -239,7 +239,7 @@
 	struct mxs_lradc *lradc = iio_priv(iio);
 	const uint32_t chan_value = LRADC_CH_ACCUMULATE |
 		((LRADC_DELAY_TIMER_LOOP - 1) << LRADC_CH_NUM_SAMPLES_OFFSET);
-	int i, j = 0;
+	unsigned int i, j = 0;
 
 	for_each_set_bit(i, iio->active_scan_mask, iio->masklength) {
 		lradc->buffer[j] = readl(lradc->base + LRADC_CH(j));
diff --git a/drivers/staging/iio/gyro/adis16080_core.c b/drivers/staging/iio/gyro/adis16080_core.c
index 3525a68..41d7350 100644
--- a/drivers/staging/iio/gyro/adis16080_core.c
+++ b/drivers/staging/iio/gyro/adis16080_core.c
@@ -69,7 +69,7 @@
 	ret = spi_read(st->us, st->buf, 2);
 
 	if (ret == 0)
-		*val = ((st->buf[0] & 0xF) << 8) | st->buf[1];
+		*val = sign_extend32(((st->buf[0] & 0xF) << 8) | st->buf[1], 11);
 	mutex_unlock(&st->buf_lock);
 
 	return ret;
diff --git a/drivers/staging/sb105x/sb_pci_mp.c b/drivers/staging/sb105x/sb_pci_mp.c
index 131afd0c..9464f38 100644
--- a/drivers/staging/sb105x/sb_pci_mp.c
+++ b/drivers/staging/sb105x/sb_pci_mp.c
@@ -3054,7 +3054,7 @@
 				sbdev->nr_ports = ((portnum_hex/16)*10) + (portnum_hex % 16);
 			}
 			break;
-#ifdef CONFIG_PARPORT
+#ifdef CONFIG_PARPORT_PC
 		case PCI_DEVICE_ID_MP2S1P :
 			sbdev->nr_ports = 2;
 
diff --git a/drivers/staging/vt6656/bssdb.h b/drivers/staging/vt6656/bssdb.h
index 6b2ec39..806cbf7 100644
--- a/drivers/staging/vt6656/bssdb.h
+++ b/drivers/staging/vt6656/bssdb.h
@@ -90,7 +90,6 @@
 } SRSNCapObject, *PSRSNCapObject;
 
 // BSS info(AP)
-#pragma pack(1)
 typedef struct tagKnownBSS {
     // BSS info
     BOOL            bActive;
diff --git a/drivers/staging/vt6656/int.h b/drivers/staging/vt6656/int.h
index 5d8faf9..e0d2b07 100644
--- a/drivers/staging/vt6656/int.h
+++ b/drivers/staging/vt6656/int.h
@@ -34,7 +34,6 @@
 #include "device.h"
 
 /*---------------------  Export Definitions -------------------------*/
-#pragma pack(1)
 typedef struct tagSINTData {
 	BYTE byTSR0;
 	BYTE byPkt0;
diff --git a/drivers/staging/vt6656/iocmd.h b/drivers/staging/vt6656/iocmd.h
index 22710ce..ae6e2d2 100644
--- a/drivers/staging/vt6656/iocmd.h
+++ b/drivers/staging/vt6656/iocmd.h
@@ -95,13 +95,12 @@
 // Ioctl interface structure
 // Command structure
 //
-#pragma pack(1)
 typedef struct tagSCmdRequest {
 	u8 name[16];
 	void	*data;
 	u16	    wResult;
 	u16     wCmdCode;
-} SCmdRequest, *PSCmdRequest;
+} __packed SCmdRequest, *PSCmdRequest;
 
 //
 // Scan
@@ -111,7 +110,7 @@
 
     u8	    ssid[SSID_MAXLEN + 2];
 
-} SCmdScan, *PSCmdScan;
+} __packed SCmdScan, *PSCmdScan;
 
 //
 // BSS Join
@@ -126,7 +125,7 @@
     BOOL    bPSEnable;
     BOOL    bShareKeyAuth;
 
-} SCmdBSSJoin, *PSCmdBSSJoin;
+} __packed SCmdBSSJoin, *PSCmdBSSJoin;
 
 //
 // Zonetype Setting
@@ -137,7 +136,7 @@
  BOOL       bWrite;
  WZONETYPE  ZoneType;
 
-} SCmdZoneTypeSet, *PSCmdZoneTypeSet;
+} __packed SCmdZoneTypeSet, *PSCmdZoneTypeSet;
 
 typedef struct tagSWPAResult {
          char	ifname[100];
@@ -145,7 +144,7 @@
 	u8 key_mgmt;
 	u8 eap_type;
          BOOL authenticated;
-} SWPAResult, *PSWPAResult;
+} __packed SWPAResult, *PSWPAResult;
 
 typedef struct tagSCmdStartAP {
 
@@ -157,7 +156,7 @@
     BOOL    bShareKeyAuth;
     u8      byBasicRate;
 
-} SCmdStartAP, *PSCmdStartAP;
+} __packed SCmdStartAP, *PSCmdStartAP;
 
 typedef struct tagSCmdSetWEP {
 
@@ -167,7 +166,7 @@
     BOOL    bWepKeyAvailable[WEP_NKEYS];
     u32     auWepKeyLength[WEP_NKEYS];
 
-} SCmdSetWEP, *PSCmdSetWEP;
+} __packed SCmdSetWEP, *PSCmdSetWEP;
 
 typedef struct tagSBSSIDItem {
 
@@ -180,14 +179,14 @@
     BOOL    bWEPOn;
     u32     uRSSI;
 
-} SBSSIDItem;
+} __packed SBSSIDItem;
 
 
 typedef struct tagSBSSIDList {
 
 	u32		    uItem;
 	SBSSIDItem	sBSSIDList[0];
-} SBSSIDList, *PSBSSIDList;
+} __packed SBSSIDList, *PSBSSIDList;
 
 
 typedef struct tagSNodeItem {
@@ -208,7 +207,7 @@
     u32            uTxAttempts;
     u16            wFailureRatio;
 
-} SNodeItem;
+} __packed SNodeItem;
 
 
 typedef struct tagSNodeList {
@@ -216,7 +215,7 @@
 	u32		    uItem;
 	SNodeItem	sNodeList[0];
 
-} SNodeList, *PSNodeList;
+} __packed SNodeList, *PSNodeList;
 
 
 typedef struct tagSCmdLinkStatus {
@@ -229,7 +228,7 @@
     u32     uChannel;
     u32     uLinkRate;
 
-} SCmdLinkStatus, *PSCmdLinkStatus;
+} __packed SCmdLinkStatus, *PSCmdLinkStatus;
 
 //
 // 802.11 counter
@@ -247,7 +246,7 @@
     u32 ReceivedFragmentCount;
     u32 MulticastReceivedFrameCount;
     u32 FCSErrorCount;
-} SDot11MIBCount, *PSDot11MIBCount;
+} __packed SDot11MIBCount, *PSDot11MIBCount;
 
 
 
@@ -355,13 +354,13 @@
     u32   ullTxBroadcastBytes[2];
     u32   ullTxMulticastBytes[2];
     u32   ullTxDirectedBytes[2];
-} SStatMIBCount, *PSStatMIBCount;
+} __packed SStatMIBCount, *PSStatMIBCount;
 
 typedef struct tagSCmdValue {
 
     u32     dwValue;
 
-} SCmdValue,  *PSCmdValue;
+} __packed SCmdValue,  *PSCmdValue;
 
 //
 // hostapd & viawget ioctl related
@@ -431,7 +430,7 @@
 			u8 ssid[32];
 		} scan_req;
 	} u;
-};
+} __packed;
 
 /*---------------------  Export Classes  ----------------------------*/
 
diff --git a/drivers/staging/vt6656/iowpa.h b/drivers/staging/vt6656/iowpa.h
index 959c886..2522dde 100644
--- a/drivers/staging/vt6656/iowpa.h
+++ b/drivers/staging/vt6656/iowpa.h
@@ -67,12 +67,11 @@
 
 
 
-#pragma pack(1)
 typedef struct viawget_wpa_header {
 	u8 type;
 	u16 req_ie_len;
 	u16 resp_ie_len;
-} viawget_wpa_header;
+} __packed viawget_wpa_header;
 
 struct viawget_wpa_param {
 	u32 cmd;
@@ -113,9 +112,8 @@
 			u8 *buf;
 		} scan_results;
 	} u;
-};
+} __packed;
 
-#pragma pack(1)
 struct viawget_scan_result {
 	u8 bssid[6];
 	u8 ssid[32];
@@ -130,7 +128,7 @@
 	int noise;
 	int level;
 	int maxrate;
-};
+} __packed;
 
 /*---------------------  Export Classes  ----------------------------*/
 
diff --git a/drivers/staging/wlan-ng/prism2mgmt.c b/drivers/staging/wlan-ng/prism2mgmt.c
index 4efa9bc..89bfd85 100644
--- a/drivers/staging/wlan-ng/prism2mgmt.c
+++ b/drivers/staging/wlan-ng/prism2mgmt.c
@@ -406,7 +406,7 @@
 	/* SSID */
 	req->ssid.status = P80211ENUM_msgitem_status_data_ok;
 	req->ssid.data.len = le16_to_cpu(item->ssid.len);
-	req->ssid.data.len = min_t(u16, req->ssid.data.len, WLAN_BSSID_LEN);
+	req->ssid.data.len = min_t(u16, req->ssid.data.len, WLAN_SSID_MAXLEN);
 	memcpy(req->ssid.data.data, item->ssid.data, req->ssid.data.len);
 
 	/* supported rates */
diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c
index be6a373..79ff3a5 100644
--- a/drivers/tty/pty.c
+++ b/drivers/tty/pty.c
@@ -441,6 +441,8 @@
 		return pty_get_pktmode(tty, (int __user *)arg);
 	case TIOCSIG:    /* Send signal to other side of pty */
 		return pty_signal(tty, (int) arg);
+	case TIOCGPTN: /* TTY returns ENOTTY, but glibc expects EINVAL here */
+		return -EINVAL;
 	}
 	return -ENOIOCTLCMD;
 }
diff --git a/drivers/tty/serial/8250/8250.c b/drivers/tty/serial/8250/8250.c
index d085e3a..f932043 100644
--- a/drivers/tty/serial/8250/8250.c
+++ b/drivers/tty/serial/8250/8250.c
@@ -300,6 +300,12 @@
 				  UART_FCR_R_TRIG_00 | UART_FCR_T_TRIG_00,
 		.flags		= UART_CAP_FIFO,
 	},
+	[PORT_BRCM_TRUMANAGE] = {
+		.name		= "TruManage",
+		.fifo_size	= 1,
+		.tx_loadsz	= 1024,
+		.flags		= UART_CAP_HFIFO,
+	},
 	[PORT_8250_CIR] = {
 		.name		= "CIR port"
 	}
@@ -1490,6 +1496,11 @@
 		port->icount.tx++;
 		if (uart_circ_empty(xmit))
 			break;
+		if (up->capabilities & UART_CAP_HFIFO) {
+			if ((serial_port_in(port, UART_LSR) & BOTH_EMPTY) !=
+			    BOTH_EMPTY)
+				break;
+		}
 	} while (--count > 0);
 
 	if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
diff --git a/drivers/tty/serial/8250/8250.h b/drivers/tty/serial/8250/8250.h
index 3b4ea84..12caa12 100644
--- a/drivers/tty/serial/8250/8250.h
+++ b/drivers/tty/serial/8250/8250.h
@@ -40,6 +40,7 @@
 #define UART_CAP_AFE	(1 << 11)	/* MCR-based hw flow control */
 #define UART_CAP_UUE	(1 << 12)	/* UART needs IER bit 6 set (Xscale) */
 #define UART_CAP_RTOIE	(1 << 13)	/* UART needs IER bit 4 set (Xscale, Tegra) */
+#define UART_CAP_HFIFO	(1 << 14)	/* UART has a "hidden" FIFO */
 
 #define UART_BUG_QUOT	(1 << 0)	/* UART has buggy quot LSB */
 #define UART_BUG_TXEN	(1 << 1)	/* UART has buggy TX IIR status */
diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
index 1d0dba2..096d2ef 100644
--- a/drivers/tty/serial/8250/8250_dw.c
+++ b/drivers/tty/serial/8250/8250_dw.c
@@ -79,7 +79,7 @@
 	} else if ((iir & UART_IIR_BUSY) == UART_IIR_BUSY) {
 		/* Clear the USR and write the LCR again. */
 		(void)p->serial_in(p, UART_USR);
-		p->serial_out(p, d->last_lcr, UART_LCR);
+		p->serial_out(p, UART_LCR, d->last_lcr);
 
 		return 1;
 	}
diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index 26b9dc0..a27a98e 100644
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -1085,6 +1085,18 @@
 	return setup_port(priv, port, 2, idx * 8, 0);
 }
 
+static int
+pci_brcm_trumanage_setup(struct serial_private *priv,
+			 const struct pciserial_board *board,
+			 struct uart_8250_port *port, int idx)
+{
+	int ret = pci_default_setup(priv, board, port, idx);
+
+	port->port.type = PORT_BRCM_TRUMANAGE;
+	port->port.flags = (port->port.flags | UPF_FIXED_PORT | UPF_FIXED_TYPE);
+	return ret;
+}
+
 static int skip_tx_en_setup(struct serial_private *priv,
 			const struct pciserial_board *board,
 			struct uart_8250_port *port, int idx)
@@ -1301,9 +1313,10 @@
 #define PCI_VENDOR_ID_AGESTAR		0x5372
 #define PCI_DEVICE_ID_AGESTAR_9375	0x6872
 #define PCI_VENDOR_ID_ASIX		0x9710
-#define PCI_DEVICE_ID_COMMTECH_4222PCIE 0x0019
 #define PCI_DEVICE_ID_COMMTECH_4224PCIE	0x0020
 #define PCI_DEVICE_ID_COMMTECH_4228PCIE	0x0021
+#define PCI_DEVICE_ID_COMMTECH_4222PCIE	0x0022
+#define PCI_DEVICE_ID_BROADCOM_TRUMANAGE 0x160a
 
 
 /* Unknown vendors/cards - this should not be in linux/pci_ids.h */
@@ -1954,6 +1967,17 @@
 		.setup		= pci_xr17v35x_setup,
 	},
 	/*
+	 * Broadcom TruManage (NetXtreme)
+	 */
+	{
+		.vendor		= PCI_VENDOR_ID_BROADCOM,
+		.device		= PCI_DEVICE_ID_BROADCOM_TRUMANAGE,
+		.subvendor	= PCI_ANY_ID,
+		.subdevice	= PCI_ANY_ID,
+		.setup		= pci_brcm_trumanage_setup,
+	},
+
+	/*
 	 * Default "match everything" terminator entry
 	 */
 	{
@@ -2148,6 +2172,7 @@
 	pbn_ce4100_1_115200,
 	pbn_omegapci,
 	pbn_NETMOS9900_2s_115200,
+	pbn_brcm_trumanage,
 };
 
 /*
@@ -2246,7 +2271,7 @@
 
 	[pbn_b0_8_1152000_200] = {
 		.flags		= FL_BASE0,
-		.num_ports	= 2,
+		.num_ports	= 8,
 		.base_baud	= 1152000,
 		.uart_offset	= 0x200,
 	},
@@ -2892,6 +2917,12 @@
 		.num_ports	= 2,
 		.base_baud	= 115200,
 	},
+	[pbn_brcm_trumanage] = {
+		.flags		= FL_BASE0,
+		.num_ports	= 1,
+		.reg_shift	= 2,
+		.base_baud	= 115200,
+	},
 };
 
 static const struct pci_device_id blacklist[] = {
@@ -4471,6 +4502,13 @@
 		pbn_omegapci },
 
 	/*
+	 * Broadcom TruManage
+	 */
+	{	PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_BROADCOM_TRUMANAGE,
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_brcm_trumanage },
+
+	/*
 	 * AgeStar as-prs2-009
 	 */
 	{	PCI_VENDOR_ID_AGESTAR, PCI_DEVICE_ID_AGESTAR_9375,
diff --git a/drivers/tty/serial/ifx6x60.c b/drivers/tty/serial/ifx6x60.c
index 675d94a..8cb6d8d 100644
--- a/drivers/tty/serial/ifx6x60.c
+++ b/drivers/tty/serial/ifx6x60.c
@@ -637,6 +637,7 @@
 
 	clear_bit(IFX_SPI_STATE_IO_AVAILABLE, &ifx_dev->flags);
 	mrdy_set_low(ifx_dev);
+	del_timer(&ifx_dev->spi_timer);
 	clear_bit(IFX_SPI_STATE_TIMER_PENDING, &ifx_dev->flags);
 	tasklet_kill(&ifx_dev->io_work_tasklet);
 }
@@ -810,7 +811,8 @@
 		ifx_dev->spi_xfer.cs_change = 0;
 		ifx_dev->spi_xfer.speed_hz = ifx_dev->spi_dev->max_speed_hz;
 		/* ifx_dev->spi_xfer.speed_hz = 390625; */
-		ifx_dev->spi_xfer.bits_per_word = spi_bpw;
+		ifx_dev->spi_xfer.bits_per_word =
+			ifx_dev->spi_dev->bits_per_word;
 
 		ifx_dev->spi_xfer.tx_buf = ifx_dev->tx_buffer;
 		ifx_dev->spi_xfer.rx_buf = ifx_dev->rx_buffer;
diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c
index 6db23b0..e55615e 100644
--- a/drivers/tty/serial/mxs-auart.c
+++ b/drivers/tty/serial/mxs-auart.c
@@ -253,7 +253,7 @@
 	struct circ_buf *xmit = &s->port.state->xmit;
 
 	if (auart_dma_enabled(s)) {
-		int i = 0;
+		u32 i = 0;
 		int size;
 		void *buffer = s->tx_dma_buf;
 
@@ -412,10 +412,12 @@
 
 	u32 ctrl = readl(u->membase + AUART_CTRL2);
 
-	ctrl &= ~AUART_CTRL2_RTSEN;
+	ctrl &= ~(AUART_CTRL2_RTSEN | AUART_CTRL2_RTS);
 	if (mctrl & TIOCM_RTS) {
 		if (tty_port_cts_enabled(&u->state->port))
 			ctrl |= AUART_CTRL2_RTSEN;
+		else
+			ctrl |= AUART_CTRL2_RTS;
 	}
 
 	s->ctrl = mctrl;
diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
index 12e5249..e514b3a 100644
--- a/drivers/tty/serial/samsung.c
+++ b/drivers/tty/serial/samsung.c
@@ -1006,7 +1006,6 @@
 
 	ucon &= ucon_mask;
 	wr_regl(port, S3C2410_UCON,  ucon | cfg->ucon);
-	wr_regl(port, S3C2410_ULCON, cfg->ulcon);
 
 	/* reset both fifos */
 	wr_regl(port, S3C2410_UFCON, cfg->ufcon | S3C2410_UFCON_RESETBOTH);
diff --git a/drivers/tty/serial/vt8500_serial.c b/drivers/tty/serial/vt8500_serial.c
index 8fd1814..d5ed9f6 100644
--- a/drivers/tty/serial/vt8500_serial.c
+++ b/drivers/tty/serial/vt8500_serial.c
@@ -604,7 +604,7 @@
 	vt8500_port->uart.flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF;
 
 	vt8500_port->clk = of_clk_get(pdev->dev.of_node, 0);
-	if (vt8500_port->clk) {
+	if (!IS_ERR(vt8500_port->clk)) {
 		vt8500_port->uart.uartclk = clk_get_rate(vt8500_port->clk);
 	} else {
 		/* use the default of 24Mhz if not specified and warn */
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 2e43b33..2fdd767 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1605,6 +1605,7 @@
 
 		if (epnum == 0 || epnum == 1) {
 			dep->endpoint.maxpacket = 512;
+			dep->endpoint.maxburst = 1;
 			dep->endpoint.ops = &dwc3_gadget_ep0_ops;
 			if (!epnum)
 				dwc->gadget.ep0 = &dep->endpoint;
diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c
index 4a6961c..8c2f251 100644
--- a/drivers/usb/gadget/f_fs.c
+++ b/drivers/usb/gadget/f_fs.c
@@ -1153,15 +1153,15 @@
 					pr_err("%s: unmapped value: %lu\n", opts, value);
 					return -EINVAL;
 				}
-			}
-			else if (!memcmp(opts, "gid", 3))
+			} else if (!memcmp(opts, "gid", 3)) {
 				data->perms.gid = make_kgid(current_user_ns(), value);
 				if (!gid_valid(data->perms.gid)) {
 					pr_err("%s: unmapped value: %lu\n", opts, value);
 					return -EINVAL;
 				}
-			else
+			} else {
 				goto invalid;
+			}
 			break;
 
 		default:
diff --git a/drivers/usb/gadget/fsl_mxc_udc.c b/drivers/usb/gadget/fsl_mxc_udc.c
index 1b0f086..d3bd7b0 100644
--- a/drivers/usb/gadget/fsl_mxc_udc.c
+++ b/drivers/usb/gadget/fsl_mxc_udc.c
@@ -18,14 +18,13 @@
 #include <linux/platform_device.h>
 #include <linux/io.h>
 
-#include <mach/hardware.h>
-
 static struct clk *mxc_ahb_clk;
 static struct clk *mxc_per_clk;
 static struct clk *mxc_ipg_clk;
 
 /* workaround ENGcm09152 for i.MX35 */
-#define USBPHYCTRL_OTGBASE_OFFSET	0x608
+#define MX35_USBPHYCTRL_OFFSET		0x600
+#define USBPHYCTRL_OTGBASE_OFFSET	0x8
 #define USBPHYCTRL_EVDO			(1 << 23)
 
 int fsl_udc_clk_init(struct platform_device *pdev)
@@ -59,7 +58,7 @@
 	clk_prepare_enable(mxc_per_clk);
 
 	/* make sure USB_CLK is running at 60 MHz +/- 1000 Hz */
-	if (!cpu_is_mx51()) {
+	if (!strcmp(pdev->id_entry->name, "imx-udc-mx27")) {
 		freq = clk_get_rate(mxc_per_clk);
 		if (pdata->phy_mode != FSL_USB2_PHY_ULPI &&
 		    (freq < 59999000 || freq > 60001000)) {
@@ -79,27 +78,40 @@
 	return ret;
 }
 
-void fsl_udc_clk_finalize(struct platform_device *pdev)
+int fsl_udc_clk_finalize(struct platform_device *pdev)
 {
 	struct fsl_usb2_platform_data *pdata = pdev->dev.platform_data;
-	if (cpu_is_mx35()) {
-		unsigned int v;
+	int ret = 0;
 
-		/* workaround ENGcm09152 for i.MX35 */
-		if (pdata->workaround & FLS_USB2_WORKAROUND_ENGCM09152) {
-			v = readl(MX35_IO_ADDRESS(MX35_USB_BASE_ADDR +
-					USBPHYCTRL_OTGBASE_OFFSET));
-			writel(v | USBPHYCTRL_EVDO,
-				MX35_IO_ADDRESS(MX35_USB_BASE_ADDR +
-					USBPHYCTRL_OTGBASE_OFFSET));
+	/* workaround ENGcm09152 for i.MX35 */
+	if (pdata->workaround & FLS_USB2_WORKAROUND_ENGCM09152) {
+		unsigned int v;
+		struct resource *res = platform_get_resource
+			(pdev, IORESOURCE_MEM, 0);
+		void __iomem *phy_regs = ioremap(res->start +
+						MX35_USBPHYCTRL_OFFSET, 512);
+		if (!phy_regs) {
+			dev_err(&pdev->dev, "ioremap for phy address fails\n");
+			ret = -EINVAL;
+			goto ioremap_err;
 		}
+
+		v = readl(phy_regs + USBPHYCTRL_OTGBASE_OFFSET);
+		writel(v | USBPHYCTRL_EVDO,
+			phy_regs + USBPHYCTRL_OTGBASE_OFFSET);
+
+		iounmap(phy_regs);
 	}
 
+
+ioremap_err:
 	/* ULPI transceivers don't need usbpll */
 	if (pdata->phy_mode == FSL_USB2_PHY_ULPI) {
 		clk_disable_unprepare(mxc_per_clk);
 		mxc_per_clk = NULL;
 	}
+
+	return ret;
 }
 
 void fsl_udc_clk_release(void)
diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c
index c19f7f1..667275c 100644
--- a/drivers/usb/gadget/fsl_udc_core.c
+++ b/drivers/usb/gadget/fsl_udc_core.c
@@ -41,6 +41,7 @@
 #include <linux/fsl_devices.h>
 #include <linux/dmapool.h>
 #include <linux/delay.h>
+#include <linux/of_device.h>
 
 #include <asm/byteorder.h>
 #include <asm/io.h>
@@ -2438,11 +2439,6 @@
 	unsigned int i;
 	u32 dccparams;
 
-	if (strcmp(pdev->name, driver_name)) {
-		VDBG("Wrong device");
-		return -ENODEV;
-	}
-
 	udc_controller = kzalloc(sizeof(struct fsl_udc), GFP_KERNEL);
 	if (udc_controller == NULL) {
 		ERR("malloc udc failed\n");
@@ -2547,7 +2543,9 @@
 		dr_controller_setup(udc_controller);
 	}
 
-	fsl_udc_clk_finalize(pdev);
+	ret = fsl_udc_clk_finalize(pdev);
+	if (ret)
+		goto err_free_irq;
 
 	/* Setup gadget structure */
 	udc_controller->gadget.ops = &fsl_gadget_ops;
@@ -2756,22 +2754,32 @@
 
 	return fsl_udc_resume(NULL);
 }
-
 /*-------------------------------------------------------------------------
 	Register entry point for the peripheral controller driver
 --------------------------------------------------------------------------*/
-
+static const struct platform_device_id fsl_udc_devtype[] = {
+	{
+		.name = "imx-udc-mx27",
+	}, {
+		.name = "imx-udc-mx51",
+	}, {
+		/* sentinel */
+	}
+};
+MODULE_DEVICE_TABLE(platform, fsl_udc_devtype);
 static struct platform_driver udc_driver = {
-	.remove  = __exit_p(fsl_udc_remove),
+	.remove		= __exit_p(fsl_udc_remove),
+	/* Just for FSL i.mx SoC currently */
+	.id_table	= fsl_udc_devtype,
 	/* these suspend and resume are not usb suspend and resume */
-	.suspend = fsl_udc_suspend,
-	.resume  = fsl_udc_resume,
-	.driver  = {
-		.name = (char *)driver_name,
-		.owner = THIS_MODULE,
-		/* udc suspend/resume called from OTG driver */
-		.suspend = fsl_udc_otg_suspend,
-		.resume  = fsl_udc_otg_resume,
+	.suspend	= fsl_udc_suspend,
+	.resume		= fsl_udc_resume,
+	.driver		= {
+			.name = (char *)driver_name,
+			.owner = THIS_MODULE,
+			/* udc suspend/resume called from OTG driver */
+			.suspend = fsl_udc_otg_suspend,
+			.resume  = fsl_udc_otg_resume,
 	},
 };
 
diff --git a/drivers/usb/gadget/fsl_usb2_udc.h b/drivers/usb/gadget/fsl_usb2_udc.h
index f61a967..c6703bb 100644
--- a/drivers/usb/gadget/fsl_usb2_udc.h
+++ b/drivers/usb/gadget/fsl_usb2_udc.h
@@ -592,15 +592,16 @@
 struct platform_device;
 #ifdef CONFIG_ARCH_MXC
 int fsl_udc_clk_init(struct platform_device *pdev);
-void fsl_udc_clk_finalize(struct platform_device *pdev);
+int fsl_udc_clk_finalize(struct platform_device *pdev);
 void fsl_udc_clk_release(void);
 #else
 static inline int fsl_udc_clk_init(struct platform_device *pdev)
 {
 	return 0;
 }
-static inline void fsl_udc_clk_finalize(struct platform_device *pdev)
+static inline int fsl_udc_clk_finalize(struct platform_device *pdev)
 {
+	return 0;
 }
 static inline void fsl_udc_clk_release(void)
 {
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index d6bb128..3a21c5d 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -148,7 +148,7 @@
 	  Variation of ARC USB block used in some Freescale chips.
 
 config USB_EHCI_MXC
-	bool "Support for Freescale i.MX on-chip EHCI USB controller"
+	tristate "Support for Freescale i.MX on-chip EHCI USB controller"
 	depends on USB_EHCI_HCD && ARCH_MXC
 	select USB_EHCI_ROOT_HUB_TT
 	---help---
diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile
index 1eb4c30..001fbff 100644
--- a/drivers/usb/host/Makefile
+++ b/drivers/usb/host/Makefile
@@ -26,6 +26,7 @@
 obj-$(CONFIG_USB_EHCI_HCD)	+= ehci-hcd.o
 obj-$(CONFIG_USB_EHCI_PCI)	+= ehci-pci.o
 obj-$(CONFIG_USB_EHCI_HCD_PLATFORM)	+= ehci-platform.o
+obj-$(CONFIG_USB_EHCI_MXC)	+= ehci-mxc.o
 
 obj-$(CONFIG_USB_OXU210HP_HCD)	+= oxu210hp-hcd.o
 obj-$(CONFIG_USB_ISP116X_HCD)	+= isp116x-hcd.o
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index c97503b..09537b2 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -74,10 +74,6 @@
 #undef VERBOSE_DEBUG
 #undef EHCI_URB_TRACE
 
-#ifdef DEBUG
-#define EHCI_STATS
-#endif
-
 /* magic numbers that can affect system performance */
 #define	EHCI_TUNE_CERR		3	/* 0-3 qtd retries; 0 == don't stop */
 #define	EHCI_TUNE_RL_HS		4	/* nak throttle; see 4.9 */
@@ -1250,11 +1246,6 @@
 #define	PLATFORM_DRIVER		ehci_fsl_driver
 #endif
 
-#ifdef CONFIG_USB_EHCI_MXC
-#include "ehci-mxc.c"
-#define PLATFORM_DRIVER		ehci_mxc_driver
-#endif
-
 #ifdef CONFIG_USB_EHCI_SH
 #include "ehci-sh.c"
 #define PLATFORM_DRIVER		ehci_hcd_sh_driver
@@ -1352,7 +1343,8 @@
 
 #if !IS_ENABLED(CONFIG_USB_EHCI_PCI) && \
 	!IS_ENABLED(CONFIG_USB_EHCI_HCD_PLATFORM) && \
-	!defined(CONFIG_USB_CHIPIDEA_HOST) && \
+	!IS_ENABLED(CONFIG_USB_CHIPIDEA_HOST) && \
+	!IS_ENABLED(CONFIG_USB_EHCI_MXC) && \
 	!defined(PLATFORM_DRIVER) && \
 	!defined(PS3_SYSTEM_BUS_DRIVER) && \
 	!defined(OF_PLATFORM_DRIVER) && \
diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c
index ec7f5d2..dedb80b 100644
--- a/drivers/usb/host/ehci-mxc.c
+++ b/drivers/usb/host/ehci-mxc.c
@@ -17,75 +17,38 @@
  * Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/io.h>
 #include <linux/platform_device.h>
 #include <linux/clk.h>
 #include <linux/delay.h>
 #include <linux/usb/otg.h>
 #include <linux/usb/ulpi.h>
 #include <linux/slab.h>
+#include <linux/usb.h>
+#include <linux/usb/hcd.h>
 
 #include <linux/platform_data/usb-ehci-mxc.h>
 
 #include <asm/mach-types.h>
 
+#include "ehci.h"
+
+#define DRIVER_DESC "Freescale On-Chip EHCI Host driver"
+
+static const char hcd_name[] = "ehci-mxc";
+
 #define ULPI_VIEWPORT_OFFSET	0x170
 
 struct ehci_mxc_priv {
 	struct clk *usbclk, *ahbclk, *phyclk;
-	struct usb_hcd *hcd;
 };
 
-/* called during probe() after chip reset completes */
-static int ehci_mxc_setup(struct usb_hcd *hcd)
-{
-	hcd->has_tt = 1;
+static struct hc_driver __read_mostly ehci_mxc_hc_driver;
 
-	return ehci_setup(hcd);
-}
-
-static const struct hc_driver ehci_mxc_hc_driver = {
-	.description = hcd_name,
-	.product_desc = "Freescale On-Chip EHCI Host Controller",
-	.hcd_priv_size = sizeof(struct ehci_hcd),
-
-	/*
-	 * generic hardware linkage
-	 */
-	.irq = ehci_irq,
-	.flags = HCD_USB2 | HCD_MEMORY,
-
-	/*
-	 * basic lifecycle operations
-	 */
-	.reset = ehci_mxc_setup,
-	.start = ehci_run,
-	.stop = ehci_stop,
-	.shutdown = ehci_shutdown,
-
-	/*
-	 * managing i/o requests and associated device resources
-	 */
-	.urb_enqueue = ehci_urb_enqueue,
-	.urb_dequeue = ehci_urb_dequeue,
-	.endpoint_disable = ehci_endpoint_disable,
-	.endpoint_reset = ehci_endpoint_reset,
-
-	/*
-	 * scheduling support
-	 */
-	.get_frame_number = ehci_get_frame,
-
-	/*
-	 * root hub support
-	 */
-	.hub_status_data = ehci_hub_status_data,
-	.hub_control = ehci_hub_control,
-	.bus_suspend = ehci_bus_suspend,
-	.bus_resume = ehci_bus_resume,
-	.relinquish_port = ehci_relinquish_port,
-	.port_handed_over = ehci_port_handed_over,
-
-	.clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
+static const struct ehci_driver_overrides ehci_mxc_overrides __initdata = {
+	.extra_priv_size =	sizeof(struct ehci_mxc_priv),
 };
 
 static int ehci_mxc_drv_probe(struct platform_device *pdev)
@@ -112,12 +75,6 @@
 	if (!hcd)
 		return -ENOMEM;
 
-	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
-	if (!priv) {
-		ret = -ENOMEM;
-		goto err_alloc;
-	}
-
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!res) {
 		dev_err(dev, "Found HC with no register addr. Check setup!\n");
@@ -135,6 +92,10 @@
 		goto err_alloc;
 	}
 
+	hcd->has_tt = 1;
+	ehci = hcd_to_ehci(hcd);
+	priv = (struct ehci_mxc_priv *) ehci->priv;
+
 	/* enable clocks */
 	priv->usbclk = devm_clk_get(&pdev->dev, "ipg");
 	if (IS_ERR(priv->usbclk)) {
@@ -169,8 +130,6 @@
 		mdelay(10);
 	}
 
-	ehci = hcd_to_ehci(hcd);
-
 	/* EHCI registers start at offset 0x100 */
 	ehci->caps = hcd->regs + 0x100;
 	ehci->regs = hcd->regs + 0x100 +
@@ -198,8 +157,7 @@
 		}
 	}
 
-	priv->hcd = hcd;
-	platform_set_drvdata(pdev, priv);
+	platform_set_drvdata(pdev, hcd);
 
 	ret = usb_add_hcd(hcd, irq, IRQF_SHARED);
 	if (ret)
@@ -244,8 +202,11 @@
 static int __exit ehci_mxc_drv_remove(struct platform_device *pdev)
 {
 	struct mxc_usbh_platform_data *pdata = pdev->dev.platform_data;
-	struct ehci_mxc_priv *priv = platform_get_drvdata(pdev);
-	struct usb_hcd *hcd = priv->hcd;
+	struct usb_hcd *hcd = platform_get_drvdata(pdev);
+	struct ehci_hcd *ehci = hcd_to_ehci(hcd);
+	struct ehci_mxc_priv *priv = (struct ehci_mxc_priv *) ehci->priv;
+
+	usb_remove_hcd(hcd);
 
 	if (pdata && pdata->exit)
 		pdata->exit(pdev);
@@ -253,23 +214,20 @@
 	if (pdata->otg)
 		usb_phy_shutdown(pdata->otg);
 
-	usb_remove_hcd(hcd);
-	usb_put_hcd(hcd);
-	platform_set_drvdata(pdev, NULL);
-
 	clk_disable_unprepare(priv->usbclk);
 	clk_disable_unprepare(priv->ahbclk);
 
 	if (priv->phyclk)
 		clk_disable_unprepare(priv->phyclk);
 
+	usb_put_hcd(hcd);
+	platform_set_drvdata(pdev, NULL);
 	return 0;
 }
 
 static void ehci_mxc_drv_shutdown(struct platform_device *pdev)
 {
-	struct ehci_mxc_priv *priv = platform_get_drvdata(pdev);
-	struct usb_hcd *hcd = priv->hcd;
+	struct usb_hcd *hcd = platform_get_drvdata(pdev);
 
 	if (hcd->driver->shutdown)
 		hcd->driver->shutdown(hcd);
@@ -279,9 +237,31 @@
 
 static struct platform_driver ehci_mxc_driver = {
 	.probe = ehci_mxc_drv_probe,
-	.remove = __exit_p(ehci_mxc_drv_remove),
+	.remove = ehci_mxc_drv_remove,
 	.shutdown = ehci_mxc_drv_shutdown,
 	.driver = {
 		   .name = "mxc-ehci",
 	},
 };
+
+static int __init ehci_mxc_init(void)
+{
+	if (usb_disabled())
+		return -ENODEV;
+
+	pr_info("%s: " DRIVER_DESC "\n", hcd_name);
+
+	ehci_init_driver(&ehci_mxc_hc_driver, &ehci_mxc_overrides);
+	return platform_driver_register(&ehci_mxc_driver);
+}
+module_init(ehci_mxc_init);
+
+static void __exit ehci_mxc_cleanup(void)
+{
+	platform_driver_unregister(&ehci_mxc_driver);
+}
+module_exit(ehci_mxc_cleanup);
+
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_AUTHOR("Sascha Hauer");
+MODULE_LICENSE("GPL");
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index 9dadc71..36c3a82 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -38,6 +38,10 @@
 #endif
 
 /* statistics can be kept for tuning/monitoring */
+#ifdef DEBUG
+#define EHCI_STATS
+#endif
+
 struct ehci_stats {
 	/* irq usage */
 	unsigned long		normal;
@@ -221,6 +225,9 @@
 #ifdef DEBUG
 	struct dentry		*debug_dir;
 #endif
+
+	/* platform-specific data -- must come last */
+	unsigned long		priv[0] __aligned(sizeof(s64));
 };
 
 /* convert between an HCD pointer and the corresponding EHCI_HCD */
diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c
index 4b9e9ab..4f64d24 100644
--- a/drivers/usb/host/uhci-hcd.c
+++ b/drivers/usb/host/uhci-hcd.c
@@ -447,6 +447,10 @@
 		return IRQ_NONE;
 	uhci_writew(uhci, status, USBSTS);		/* Clear it */
 
+	spin_lock(&uhci->lock);
+	if (unlikely(!uhci->is_initialized))	/* not yet configured */
+		goto done;
+
 	if (status & ~(USBSTS_USBINT | USBSTS_ERROR | USBSTS_RD)) {
 		if (status & USBSTS_HSE)
 			dev_err(uhci_dev(uhci), "host system error, "
@@ -455,7 +459,6 @@
 			dev_err(uhci_dev(uhci), "host controller process "
 					"error, something bad happened!\n");
 		if (status & USBSTS_HCH) {
-			spin_lock(&uhci->lock);
 			if (uhci->rh_state >= UHCI_RH_RUNNING) {
 				dev_err(uhci_dev(uhci),
 					"host controller halted, "
@@ -473,15 +476,15 @@
 				 * pending unlinks */
 				mod_timer(&hcd->rh_timer, jiffies);
 			}
-			spin_unlock(&uhci->lock);
 		}
 	}
 
-	if (status & USBSTS_RD)
+	if (status & USBSTS_RD) {
+		spin_unlock(&uhci->lock);
 		usb_hcd_poll_rh_status(hcd);
-	else {
-		spin_lock(&uhci->lock);
+	} else {
 		uhci_scan_schedule(uhci);
+ done:
 		spin_unlock(&uhci->lock);
 	}
 
@@ -662,9 +665,9 @@
 	 */
 	mb();
 
+	spin_lock_irq(&uhci->lock);
 	configure_hc(uhci);
 	uhci->is_initialized = 1;
-	spin_lock_irq(&uhci->lock);
 	start_rh(uhci);
 	spin_unlock_irq(&uhci->lock);
 	return 0;
diff --git a/drivers/usb/musb/cppi_dma.c b/drivers/usb/musb/cppi_dma.c
index 0968dd7..f522000 100644
--- a/drivers/usb/musb/cppi_dma.c
+++ b/drivers/usb/musb/cppi_dma.c
@@ -105,7 +105,7 @@
 	musb_writel(&tx->tx_complete, 0, ptr);
 }
 
-static void __init cppi_pool_init(struct cppi *cppi, struct cppi_channel *c)
+static void cppi_pool_init(struct cppi *cppi, struct cppi_channel *c)
 {
 	int	j;
 
@@ -150,7 +150,7 @@
 	c->last_processed = NULL;
 }
 
-static int __init cppi_controller_start(struct dma_controller *c)
+static int cppi_controller_start(struct dma_controller *c)
 {
 	struct cppi	*controller;
 	void __iomem	*tibase;
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c
index 58184f3..82afc4d 100644
--- a/drivers/usb/serial/io_ti.c
+++ b/drivers/usb/serial/io_ti.c
@@ -530,6 +530,9 @@
 	wait_queue_t wait;
 	unsigned long flags;
 
+	if (!tty)
+		return;
+
 	if (!timeout)
 		timeout = (HZ * EDGE_CLOSING_WAIT)/100;
 
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 478adcf..0d9dac9 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -449,6 +449,10 @@
 #define PETATEL_VENDOR_ID			0x1ff4
 #define PETATEL_PRODUCT_NP10T			0x600e
 
+/* TP-LINK Incorporated products */
+#define TPLINK_VENDOR_ID			0x2357
+#define TPLINK_PRODUCT_MA180			0x0201
+
 /* some devices interfaces need special handling due to a number of reasons */
 enum option_blacklist_reason {
 		OPTION_BLACKLIST_NONE = 0,
@@ -930,7 +934,8 @@
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0254, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0257, 0xff, 0xff, 0xff), /* ZTE MF821 */
 	  .driver_info = (kernel_ulong_t)&net_intf3_blacklist },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0265, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0265, 0xff, 0xff, 0xff), /* ONDA MT8205 */
+	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0284, 0xff, 0xff, 0xff), /* ZTE MF880 */
 	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0317, 0xff, 0xff, 0xff) },
@@ -1311,6 +1316,8 @@
 	{ USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_DC_4COM2, 0xff, 0x00, 0x00) },
 	{ USB_DEVICE(CELLIENT_VENDOR_ID, CELLIENT_PRODUCT_MEN200) },
 	{ USB_DEVICE(PETATEL_VENDOR_ID, PETATEL_PRODUCT_NP10T) },
+	{ USB_DEVICE(TPLINK_VENDOR_ID, TPLINK_PRODUCT_MA180),
+	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
 	{ } /* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, option_ids);
diff --git a/drivers/vfio/pci/vfio_pci_rdwr.c b/drivers/vfio/pci/vfio_pci_rdwr.c
index 4362d9e..f72323e 100644
--- a/drivers/vfio/pci/vfio_pci_rdwr.c
+++ b/drivers/vfio/pci/vfio_pci_rdwr.c
@@ -240,17 +240,17 @@
 			filled = 1;
 		} else {
 			/* Drop writes, fill reads with FF */
+			filled = min((size_t)(x_end - pos), count);
 			if (!iswrite) {
 				char val = 0xFF;
 				size_t i;
 
-				for (i = 0; i < x_end - pos; i++) {
+				for (i = 0; i < filled; i++) {
 					if (put_user(val, buf + i))
 						goto out;
 				}
 			}
 
-			filled = x_end - pos;
 		}
 
 		count -= filled;
diff --git a/drivers/video/imxfb.c b/drivers/video/imxfb.c
index 1252678..0abf2bf 100644
--- a/drivers/video/imxfb.c
+++ b/drivers/video/imxfb.c
@@ -139,6 +139,7 @@
 	struct clk		*clk_ahb;
 	struct clk		*clk_per;
 	enum imxfb_type		devtype;
+	bool			enabled;
 
 	/*
 	 * These are the addresses we mapped
@@ -536,6 +537,10 @@
 
 static void imxfb_enable_controller(struct imxfb_info *fbi)
 {
+
+	if (fbi->enabled)
+		return;
+
 	pr_debug("Enabling LCD controller\n");
 
 	writel(fbi->screen_dma, fbi->regs + LCDC_SSA);
@@ -556,6 +561,7 @@
 	clk_prepare_enable(fbi->clk_ipg);
 	clk_prepare_enable(fbi->clk_ahb);
 	clk_prepare_enable(fbi->clk_per);
+	fbi->enabled = true;
 
 	if (fbi->backlight_power)
 		fbi->backlight_power(1);
@@ -565,6 +571,9 @@
 
 static void imxfb_disable_controller(struct imxfb_info *fbi)
 {
+	if (!fbi->enabled)
+		return;
+
 	pr_debug("Disabling LCD controller\n");
 
 	if (fbi->backlight_power)
@@ -575,6 +584,7 @@
 	clk_disable_unprepare(fbi->clk_per);
 	clk_disable_unprepare(fbi->clk_ipg);
 	clk_disable_unprepare(fbi->clk_ahb);
+	fbi->enabled = false;
 
 	writel(0, fbi->regs + LCDC_RMCR);
 }
@@ -729,6 +739,8 @@
 
 	memset(fbi, 0, sizeof(struct imxfb_info));
 
+	fbi->devtype = pdev->id_entry->driver_data;
+
 	strlcpy(info->fix.id, IMX_NAME, sizeof(info->fix.id));
 
 	info->fix.type			= FB_TYPE_PACKED_PIXELS;
@@ -789,7 +801,6 @@
 		return -ENOMEM;
 
 	fbi = info->par;
-	fbi->devtype = pdev->id_entry->driver_data;
 
 	if (!fb_mode)
 		fb_mode = pdata->mode[0].mode.name;
diff --git a/drivers/xen/cpu_hotplug.c b/drivers/xen/cpu_hotplug.c
index 4dcfced..084041d 100644
--- a/drivers/xen/cpu_hotplug.c
+++ b/drivers/xen/cpu_hotplug.c
@@ -25,10 +25,10 @@
 static int vcpu_online(unsigned int cpu)
 {
 	int err;
-	char dir[32], state[32];
+	char dir[16], state[16];
 
 	sprintf(dir, "cpu/%u", cpu);
-	err = xenbus_scanf(XBT_NIL, dir, "availability", "%s", state);
+	err = xenbus_scanf(XBT_NIL, dir, "availability", "%15s", state);
 	if (err != 1) {
 		if (!xen_initial_domain())
 			printk(KERN_ERR "XENBUS: Unable to read cpu state\n");
diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c
index 2e22df2..3c8803f 100644
--- a/drivers/xen/gntdev.c
+++ b/drivers/xen/gntdev.c
@@ -56,10 +56,15 @@
 static atomic_t pages_mapped = ATOMIC_INIT(0);
 
 static int use_ptemod;
+#define populate_freeable_maps use_ptemod
 
 struct gntdev_priv {
+	/* maps with visible offsets in the file descriptor */
 	struct list_head maps;
-	/* lock protects maps from concurrent changes */
+	/* maps that are not visible; will be freed on munmap.
+	 * Only populated if populate_freeable_maps == 1 */
+	struct list_head freeable_maps;
+	/* lock protects maps and freeable_maps */
 	spinlock_t lock;
 	struct mm_struct *mm;
 	struct mmu_notifier mn;
@@ -193,7 +198,7 @@
 	return NULL;
 }
 
-static void gntdev_put_map(struct grant_map *map)
+static void gntdev_put_map(struct gntdev_priv *priv, struct grant_map *map)
 {
 	if (!map)
 		return;
@@ -208,6 +213,12 @@
 		evtchn_put(map->notify.event);
 	}
 
+	if (populate_freeable_maps && priv) {
+		spin_lock(&priv->lock);
+		list_del(&map->next);
+		spin_unlock(&priv->lock);
+	}
+
 	if (map->pages && !use_ptemod)
 		unmap_grant_pages(map, 0, map->count);
 	gntdev_free_map(map);
@@ -301,17 +312,10 @@
 
 	if (map->notify.flags & UNMAP_NOTIFY_CLEAR_BYTE) {
 		int pgno = (map->notify.addr >> PAGE_SHIFT);
-		if (pgno >= offset && pgno < offset + pages && use_ptemod) {
-			void __user *tmp = (void __user *)
-				map->vma->vm_start + map->notify.addr;
-			err = copy_to_user(tmp, &err, 1);
-			if (err)
-				return -EFAULT;
-			map->notify.flags &= ~UNMAP_NOTIFY_CLEAR_BYTE;
-		} else if (pgno >= offset && pgno < offset + pages) {
-			uint8_t *tmp = kmap(map->pages[pgno]);
+		if (pgno >= offset && pgno < offset + pages) {
+			/* No need for kmap, pages are in lowmem */
+			uint8_t *tmp = pfn_to_kaddr(page_to_pfn(map->pages[pgno]));
 			tmp[map->notify.addr & (PAGE_SIZE-1)] = 0;
-			kunmap(map->pages[pgno]);
 			map->notify.flags &= ~UNMAP_NOTIFY_CLEAR_BYTE;
 		}
 	}
@@ -376,11 +380,24 @@
 static void gntdev_vma_close(struct vm_area_struct *vma)
 {
 	struct grant_map *map = vma->vm_private_data;
+	struct file *file = vma->vm_file;
+	struct gntdev_priv *priv = file->private_data;
 
 	pr_debug("gntdev_vma_close %p\n", vma);
-	map->vma = NULL;
+	if (use_ptemod) {
+		/* It is possible that an mmu notifier could be running
+		 * concurrently, so take priv->lock to ensure that the vma won't
+		 * vanishing during the unmap_grant_pages call, since we will
+		 * spin here until that completes. Such a concurrent call will
+		 * not do any unmapping, since that has been done prior to
+		 * closing the vma, but it may still iterate the unmap_ops list.
+		 */
+		spin_lock(&priv->lock);
+		map->vma = NULL;
+		spin_unlock(&priv->lock);
+	}
 	vma->vm_private_data = NULL;
-	gntdev_put_map(map);
+	gntdev_put_map(priv, map);
 }
 
 static struct vm_operations_struct gntdev_vmops = {
@@ -390,33 +407,43 @@
 
 /* ------------------------------------------------------------------ */
 
+static void unmap_if_in_range(struct grant_map *map,
+			      unsigned long start, unsigned long end)
+{
+	unsigned long mstart, mend;
+	int err;
+
+	if (!map->vma)
+		return;
+	if (map->vma->vm_start >= end)
+		return;
+	if (map->vma->vm_end <= start)
+		return;
+	mstart = max(start, map->vma->vm_start);
+	mend   = min(end,   map->vma->vm_end);
+	pr_debug("map %d+%d (%lx %lx), range %lx %lx, mrange %lx %lx\n",
+			map->index, map->count,
+			map->vma->vm_start, map->vma->vm_end,
+			start, end, mstart, mend);
+	err = unmap_grant_pages(map,
+				(mstart - map->vma->vm_start) >> PAGE_SHIFT,
+				(mend - mstart) >> PAGE_SHIFT);
+	WARN_ON(err);
+}
+
 static void mn_invl_range_start(struct mmu_notifier *mn,
 				struct mm_struct *mm,
 				unsigned long start, unsigned long end)
 {
 	struct gntdev_priv *priv = container_of(mn, struct gntdev_priv, mn);
 	struct grant_map *map;
-	unsigned long mstart, mend;
-	int err;
 
 	spin_lock(&priv->lock);
 	list_for_each_entry(map, &priv->maps, next) {
-		if (!map->vma)
-			continue;
-		if (map->vma->vm_start >= end)
-			continue;
-		if (map->vma->vm_end <= start)
-			continue;
-		mstart = max(start, map->vma->vm_start);
-		mend   = min(end,   map->vma->vm_end);
-		pr_debug("map %d+%d (%lx %lx), range %lx %lx, mrange %lx %lx\n",
-				map->index, map->count,
-				map->vma->vm_start, map->vma->vm_end,
-				start, end, mstart, mend);
-		err = unmap_grant_pages(map,
-					(mstart - map->vma->vm_start) >> PAGE_SHIFT,
-					(mend - mstart) >> PAGE_SHIFT);
-		WARN_ON(err);
+		unmap_if_in_range(map, start, end);
+	}
+	list_for_each_entry(map, &priv->freeable_maps, next) {
+		unmap_if_in_range(map, start, end);
 	}
 	spin_unlock(&priv->lock);
 }
@@ -445,6 +472,15 @@
 		err = unmap_grant_pages(map, /* offset */ 0, map->count);
 		WARN_ON(err);
 	}
+	list_for_each_entry(map, &priv->freeable_maps, next) {
+		if (!map->vma)
+			continue;
+		pr_debug("map %d+%d (%lx %lx)\n",
+				map->index, map->count,
+				map->vma->vm_start, map->vma->vm_end);
+		err = unmap_grant_pages(map, /* offset */ 0, map->count);
+		WARN_ON(err);
+	}
 	spin_unlock(&priv->lock);
 }
 
@@ -466,6 +502,7 @@
 		return -ENOMEM;
 
 	INIT_LIST_HEAD(&priv->maps);
+	INIT_LIST_HEAD(&priv->freeable_maps);
 	spin_lock_init(&priv->lock);
 
 	if (use_ptemod) {
@@ -500,8 +537,9 @@
 	while (!list_empty(&priv->maps)) {
 		map = list_entry(priv->maps.next, struct grant_map, next);
 		list_del(&map->next);
-		gntdev_put_map(map);
+		gntdev_put_map(NULL /* already removed */, map);
 	}
+	WARN_ON(!list_empty(&priv->freeable_maps));
 
 	if (use_ptemod)
 		mmu_notifier_unregister(&priv->mn, priv->mm);
@@ -529,14 +567,14 @@
 
 	if (unlikely(atomic_add_return(op.count, &pages_mapped) > limit)) {
 		pr_debug("can't map: over limit\n");
-		gntdev_put_map(map);
+		gntdev_put_map(NULL, map);
 		return err;
 	}
 
 	if (copy_from_user(map->grants, &u->refs,
 			   sizeof(map->grants[0]) * op.count) != 0) {
-		gntdev_put_map(map);
-		return err;
+		gntdev_put_map(NULL, map);
+		return -EFAULT;
 	}
 
 	spin_lock(&priv->lock);
@@ -565,11 +603,13 @@
 	map = gntdev_find_map_index(priv, op.index >> PAGE_SHIFT, op.count);
 	if (map) {
 		list_del(&map->next);
+		if (populate_freeable_maps)
+			list_add_tail(&map->next, &priv->freeable_maps);
 		err = 0;
 	}
 	spin_unlock(&priv->lock);
 	if (map)
-		gntdev_put_map(map);
+		gntdev_put_map(priv, map);
 	return err;
 }
 
@@ -579,25 +619,31 @@
 	struct ioctl_gntdev_get_offset_for_vaddr op;
 	struct vm_area_struct *vma;
 	struct grant_map *map;
+	int rv = -EINVAL;
 
 	if (copy_from_user(&op, u, sizeof(op)) != 0)
 		return -EFAULT;
 	pr_debug("priv %p, offset for vaddr %lx\n", priv, (unsigned long)op.vaddr);
 
+	down_read(&current->mm->mmap_sem);
 	vma = find_vma(current->mm, op.vaddr);
 	if (!vma || vma->vm_ops != &gntdev_vmops)
-		return -EINVAL;
+		goto out_unlock;
 
 	map = vma->vm_private_data;
 	if (!map)
-		return -EINVAL;
+		goto out_unlock;
 
 	op.offset = map->index << PAGE_SHIFT;
 	op.count = map->count;
+	rv = 0;
 
-	if (copy_to_user(u, &op, sizeof(op)) != 0)
+ out_unlock:
+	up_read(&current->mm->mmap_sem);
+
+	if (rv == 0 && copy_to_user(u, &op, sizeof(op)) != 0)
 		return -EFAULT;
-	return 0;
+	return rv;
 }
 
 static long gntdev_ioctl_notify(struct gntdev_priv *priv, void __user *u)
@@ -778,7 +824,7 @@
 out_put_map:
 	if (use_ptemod)
 		map->vma = NULL;
-	gntdev_put_map(map);
+	gntdev_put_map(priv, map);
 	return err;
 }
 
diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c
index 7038de5..157c0ccd 100644
--- a/drivers/xen/grant-table.c
+++ b/drivers/xen/grant-table.c
@@ -56,10 +56,6 @@
 /* External tools reserve first few grant table entries. */
 #define NR_RESERVED_ENTRIES 8
 #define GNTTAB_LIST_END 0xffffffff
-#define GREFS_PER_GRANT_FRAME \
-(grant_table_version == 1 ?                      \
-(PAGE_SIZE / sizeof(struct grant_entry_v1)) :   \
-(PAGE_SIZE / sizeof(union grant_entry_v2)))
 
 static grant_ref_t **gnttab_list;
 static unsigned int nr_grant_frames;
@@ -154,6 +150,7 @@
 static grant_status_t *grstatus;
 
 static int grant_table_version;
+static int grefs_per_grant_frame;
 
 static struct gnttab_free_callback *gnttab_free_callback_list;
 
@@ -767,12 +764,14 @@
 	unsigned int new_nr_grant_frames, extra_entries, i;
 	unsigned int nr_glist_frames, new_nr_glist_frames;
 
-	new_nr_grant_frames = nr_grant_frames + more_frames;
-	extra_entries       = more_frames * GREFS_PER_GRANT_FRAME;
+	BUG_ON(grefs_per_grant_frame == 0);
 
-	nr_glist_frames = (nr_grant_frames * GREFS_PER_GRANT_FRAME + RPP - 1) / RPP;
+	new_nr_grant_frames = nr_grant_frames + more_frames;
+	extra_entries       = more_frames * grefs_per_grant_frame;
+
+	nr_glist_frames = (nr_grant_frames * grefs_per_grant_frame + RPP - 1) / RPP;
 	new_nr_glist_frames =
-		(new_nr_grant_frames * GREFS_PER_GRANT_FRAME + RPP - 1) / RPP;
+		(new_nr_grant_frames * grefs_per_grant_frame + RPP - 1) / RPP;
 	for (i = nr_glist_frames; i < new_nr_glist_frames; i++) {
 		gnttab_list[i] = (grant_ref_t *)__get_free_page(GFP_ATOMIC);
 		if (!gnttab_list[i])
@@ -780,12 +779,12 @@
 	}
 
 
-	for (i = GREFS_PER_GRANT_FRAME * nr_grant_frames;
-	     i < GREFS_PER_GRANT_FRAME * new_nr_grant_frames - 1; i++)
+	for (i = grefs_per_grant_frame * nr_grant_frames;
+	     i < grefs_per_grant_frame * new_nr_grant_frames - 1; i++)
 		gnttab_entry(i) = i + 1;
 
 	gnttab_entry(i) = gnttab_free_head;
-	gnttab_free_head = GREFS_PER_GRANT_FRAME * nr_grant_frames;
+	gnttab_free_head = grefs_per_grant_frame * nr_grant_frames;
 	gnttab_free_count += extra_entries;
 
 	nr_grant_frames = new_nr_grant_frames;
@@ -957,7 +956,8 @@
 
 static unsigned nr_status_frames(unsigned nr_grant_frames)
 {
-	return (nr_grant_frames * GREFS_PER_GRANT_FRAME + SPP - 1) / SPP;
+	BUG_ON(grefs_per_grant_frame == 0);
+	return (nr_grant_frames * grefs_per_grant_frame + SPP - 1) / SPP;
 }
 
 static int gnttab_map_frames_v1(xen_pfn_t *frames, unsigned int nr_gframes)
@@ -1115,6 +1115,7 @@
 	rc = HYPERVISOR_grant_table_op(GNTTABOP_set_version, &gsv, 1);
 	if (rc == 0 && gsv.version == 2) {
 		grant_table_version = 2;
+		grefs_per_grant_frame = PAGE_SIZE / sizeof(union grant_entry_v2);
 		gnttab_interface = &gnttab_v2_ops;
 	} else if (grant_table_version == 2) {
 		/*
@@ -1127,17 +1128,17 @@
 		panic("we need grant tables version 2, but only version 1 is available");
 	} else {
 		grant_table_version = 1;
+		grefs_per_grant_frame = PAGE_SIZE / sizeof(struct grant_entry_v1);
 		gnttab_interface = &gnttab_v1_ops;
 	}
 	printk(KERN_INFO "Grant tables using version %d layout.\n",
 		grant_table_version);
 }
 
-int gnttab_resume(void)
+static int gnttab_setup(void)
 {
 	unsigned int max_nr_gframes;
 
-	gnttab_request_version();
 	max_nr_gframes = gnttab_max_grant_frames();
 	if (max_nr_gframes < nr_grant_frames)
 		return -ENOSYS;
@@ -1160,6 +1161,12 @@
 	return 0;
 }
 
+int gnttab_resume(void)
+{
+	gnttab_request_version();
+	return gnttab_setup();
+}
+
 int gnttab_suspend(void)
 {
 	gnttab_interface->unmap_frames();
@@ -1171,9 +1178,10 @@
 	int rc;
 	unsigned int cur, extra;
 
+	BUG_ON(grefs_per_grant_frame == 0);
 	cur = nr_grant_frames;
-	extra = ((req_entries + (GREFS_PER_GRANT_FRAME-1)) /
-		 GREFS_PER_GRANT_FRAME);
+	extra = ((req_entries + (grefs_per_grant_frame-1)) /
+		 grefs_per_grant_frame);
 	if (cur + extra > gnttab_max_grant_frames())
 		return -ENOSPC;
 
@@ -1191,21 +1199,23 @@
 	unsigned int nr_init_grefs;
 	int ret;
 
+	gnttab_request_version();
 	nr_grant_frames = 1;
 	boot_max_nr_grant_frames = __max_nr_grant_frames();
 
 	/* Determine the maximum number of frames required for the
 	 * grant reference free list on the current hypervisor.
 	 */
+	BUG_ON(grefs_per_grant_frame == 0);
 	max_nr_glist_frames = (boot_max_nr_grant_frames *
-			       GREFS_PER_GRANT_FRAME / RPP);
+			       grefs_per_grant_frame / RPP);
 
 	gnttab_list = kmalloc(max_nr_glist_frames * sizeof(grant_ref_t *),
 			      GFP_KERNEL);
 	if (gnttab_list == NULL)
 		return -ENOMEM;
 
-	nr_glist_frames = (nr_grant_frames * GREFS_PER_GRANT_FRAME + RPP - 1) / RPP;
+	nr_glist_frames = (nr_grant_frames * grefs_per_grant_frame + RPP - 1) / RPP;
 	for (i = 0; i < nr_glist_frames; i++) {
 		gnttab_list[i] = (grant_ref_t *)__get_free_page(GFP_KERNEL);
 		if (gnttab_list[i] == NULL) {
@@ -1214,12 +1224,12 @@
 		}
 	}
 
-	if (gnttab_resume() < 0) {
+	if (gnttab_setup() < 0) {
 		ret = -ENODEV;
 		goto ini_nomem;
 	}
 
-	nr_init_grefs = nr_grant_frames * GREFS_PER_GRANT_FRAME;
+	nr_init_grefs = nr_grant_frames * grefs_per_grant_frame;
 
 	for (i = NR_RESERVED_ENTRIES; i < nr_init_grefs - 1; i++)
 		gnttab_entry(i) = i + 1;
diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c
index 0bbbccbb..ca2b00e 100644
--- a/drivers/xen/privcmd.c
+++ b/drivers/xen/privcmd.c
@@ -199,9 +199,6 @@
 	LIST_HEAD(pagelist);
 	struct mmap_mfn_state state;
 
-	if (!xen_initial_domain())
-		return -EPERM;
-
 	/* We only support privcmd_ioctl_mmap_batch for auto translated. */
 	if (xen_feature(XENFEAT_auto_translated_physmap))
 		return -ENOSYS;
@@ -261,11 +258,12 @@
 	 *      -ENOENT if at least 1 -ENOENT has happened.
 	 */
 	int global_error;
-	/* An array for individual errors */
-	int *err;
+	int version;
 
 	/* User-space mfn array to store errors in the second pass for V1. */
 	xen_pfn_t __user *user_mfn;
+	/* User-space int array to store errors in the second pass for V2. */
+	int __user *user_err;
 };
 
 /* auto translated dom0 note: if domU being created is PV, then mfn is
@@ -288,7 +286,19 @@
 					 &cur_page);
 
 	/* Store error code for second pass. */
-	*(st->err++) = ret;
+	if (st->version == 1) {
+		if (ret < 0) {
+			/*
+			 * V1 encodes the error codes in the 32bit top nibble of the
+			 * mfn (with its known limitations vis-a-vis 64 bit callers).
+			 */
+			*mfnp |= (ret == -ENOENT) ?
+						PRIVCMD_MMAPBATCH_PAGED_ERROR :
+						PRIVCMD_MMAPBATCH_MFN_ERROR;
+		}
+	} else { /* st->version == 2 */
+		*((int *) mfnp) = ret;
+	}
 
 	/* And see if it affects the global_error. */
 	if (ret < 0) {
@@ -305,20 +315,25 @@
 	return 0;
 }
 
-static int mmap_return_errors_v1(void *data, void *state)
+static int mmap_return_errors(void *data, void *state)
 {
-	xen_pfn_t *mfnp = data;
 	struct mmap_batch_state *st = state;
-	int err = *(st->err++);
 
-	/*
-	 * V1 encodes the error codes in the 32bit top nibble of the
-	 * mfn (with its known limitations vis-a-vis 64 bit callers).
-	 */
-	*mfnp |= (err == -ENOENT) ?
-				PRIVCMD_MMAPBATCH_PAGED_ERROR :
-				PRIVCMD_MMAPBATCH_MFN_ERROR;
-	return __put_user(*mfnp, st->user_mfn++);
+	if (st->version == 1) {
+		xen_pfn_t mfnp = *((xen_pfn_t *) data);
+		if (mfnp & PRIVCMD_MMAPBATCH_MFN_ERROR)
+			return __put_user(mfnp, st->user_mfn++);
+		else
+			st->user_mfn++;
+	} else { /* st->version == 2 */
+		int err = *((int *) data);
+		if (err)
+			return __put_user(err, st->user_err++);
+		else
+			st->user_err++;
+	}
+
+	return 0;
 }
 
 /* Allocate pfns that are then mapped with gmfns from foreign domid. Update
@@ -357,12 +372,8 @@
 	struct vm_area_struct *vma;
 	unsigned long nr_pages;
 	LIST_HEAD(pagelist);
-	int *err_array = NULL;
 	struct mmap_batch_state state;
 
-	if (!xen_initial_domain())
-		return -EPERM;
-
 	switch (version) {
 	case 1:
 		if (copy_from_user(&m, udata, sizeof(struct privcmd_mmapbatch)))
@@ -396,10 +407,12 @@
 		goto out;
 	}
 
-	err_array = kcalloc(m.num, sizeof(int), GFP_KERNEL);
-	if (err_array == NULL) {
-		ret = -ENOMEM;
-		goto out;
+	if (version == 2) {
+		/* Zero error array now to only copy back actual errors. */
+		if (clear_user(m.err, sizeof(int) * m.num)) {
+			ret = -EFAULT;
+			goto out;
+		}
 	}
 
 	down_write(&mm->mmap_sem);
@@ -427,7 +440,7 @@
 	state.va            = m.addr;
 	state.index         = 0;
 	state.global_error  = 0;
-	state.err           = err_array;
+	state.version       = version;
 
 	/* mmap_batch_fn guarantees ret == 0 */
 	BUG_ON(traverse_pages(m.num, sizeof(xen_pfn_t),
@@ -435,21 +448,14 @@
 
 	up_write(&mm->mmap_sem);
 
-	if (version == 1) {
-		if (state.global_error) {
-			/* Write back errors in second pass. */
-			state.user_mfn = (xen_pfn_t *)m.arr;
-			state.err      = err_array;
-			ret = traverse_pages(m.num, sizeof(xen_pfn_t),
-					     &pagelist, mmap_return_errors_v1, &state);
-		} else
-			ret = 0;
-
-	} else if (version == 2) {
-		ret = __copy_to_user(m.err, err_array, m.num * sizeof(int));
-		if (ret)
-			ret = -EFAULT;
-	}
+	if (state.global_error) {
+		/* Write back errors in second pass. */
+		state.user_mfn = (xen_pfn_t *)m.arr;
+		state.user_err = m.err;
+		ret = traverse_pages(m.num, sizeof(xen_pfn_t),
+							 &pagelist, mmap_return_errors, &state);
+	} else
+		ret = 0;
 
 	/* If we have not had any EFAULT-like global errors then set the global
 	 * error to -ENOENT if necessary. */
@@ -457,7 +463,6 @@
 		ret = -ENOENT;
 
 out:
-	kfree(err_array);
 	free_page_list(&pagelist);
 
 	return ret;
diff --git a/drivers/xen/xen-pciback/pciback.h b/drivers/xen/xen-pciback/pciback.h
index a7def01..f72af87 100644
--- a/drivers/xen/xen-pciback/pciback.h
+++ b/drivers/xen/xen-pciback/pciback.h
@@ -124,7 +124,7 @@
 static inline void xen_pcibk_release_pci_dev(struct xen_pcibk_device *pdev,
 					     struct pci_dev *dev)
 {
-	if (xen_pcibk_backend && xen_pcibk_backend->free)
+	if (xen_pcibk_backend && xen_pcibk_backend->release)
 		return xen_pcibk_backend->release(pdev, dev);
 }
 
diff --git a/fs/Kconfig b/fs/Kconfig
index cfe512f..780725a 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -68,16 +68,6 @@
 source "fs/autofs4/Kconfig"
 source "fs/fuse/Kconfig"
 
-config CUSE
-	tristate "Character device in Userspace support"
-	depends on FUSE_FS
-	help
-	  This FUSE extension allows character devices to be
-	  implemented in userspace.
-
-	  If you want to develop or use userspace character device
-	  based on CUSE, answer Y or M.
-
 config GENERIC_ACL
 	bool
 	select FS_POSIX_ACL
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 521e9d4..a8b8adc 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3997,7 +3997,7 @@
 	 * We make the other tasks wait for the flush only when we can flush
 	 * all things.
 	 */
-	if (ret && flush == BTRFS_RESERVE_FLUSH_ALL) {
+	if (ret && flush != BTRFS_RESERVE_NO_FLUSH) {
 		flushing = true;
 		space_info->flush = 1;
 	}
@@ -5560,7 +5560,7 @@
 	int empty_cluster = 2 * 1024 * 1024;
 	struct btrfs_space_info *space_info;
 	int loop = 0;
-	int index = 0;
+	int index = __get_raid_index(data);
 	int alloc_type = (data & BTRFS_BLOCK_GROUP_DATA) ?
 		RESERVE_ALLOC_NO_ACCOUNT : RESERVE_ALLOC;
 	bool found_uncached_bg = false;
@@ -6788,11 +6788,13 @@
 						       &wc->flags[level]);
 			if (ret < 0) {
 				btrfs_tree_unlock_rw(eb, path->locks[level]);
+				path->locks[level] = 0;
 				return ret;
 			}
 			BUG_ON(wc->refs[level] == 0);
 			if (wc->refs[level] == 1) {
 				btrfs_tree_unlock_rw(eb, path->locks[level]);
+				path->locks[level] = 0;
 				return 1;
 			}
 		}
diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c
index f169d6b..2e8cae6 100644
--- a/fs/btrfs/extent_map.c
+++ b/fs/btrfs/extent_map.c
@@ -171,6 +171,10 @@
 	if (test_bit(EXTENT_FLAG_COMPRESSED, &prev->flags))
 		return 0;
 
+	if (test_bit(EXTENT_FLAG_LOGGING, &prev->flags) ||
+	    test_bit(EXTENT_FLAG_LOGGING, &next->flags))
+		return 0;
+
 	if (extent_map_end(prev) == next->start &&
 	    prev->flags == next->flags &&
 	    prev->bdev == next->bdev &&
@@ -255,7 +259,8 @@
 	if (!em)
 		goto out;
 
-	list_move(&em->list, &tree->modified_extents);
+	if (!test_bit(EXTENT_FLAG_LOGGING, &em->flags))
+		list_move(&em->list, &tree->modified_extents);
 	em->generation = gen;
 	clear_bit(EXTENT_FLAG_PINNED, &em->flags);
 	em->mod_start = em->start;
@@ -280,6 +285,12 @@
 
 }
 
+void clear_em_logging(struct extent_map_tree *tree, struct extent_map *em)
+{
+	clear_bit(EXTENT_FLAG_LOGGING, &em->flags);
+	try_merge_map(tree, em);
+}
+
 /**
  * add_extent_mapping - add new extent map to the extent tree
  * @tree:	tree to insert new map in
diff --git a/fs/btrfs/extent_map.h b/fs/btrfs/extent_map.h
index 922943c..c6598c8 100644
--- a/fs/btrfs/extent_map.h
+++ b/fs/btrfs/extent_map.h
@@ -69,6 +69,7 @@
 int __init extent_map_init(void);
 void extent_map_exit(void);
 int unpin_extent_cache(struct extent_map_tree *tree, u64 start, u64 len, u64 gen);
+void clear_em_logging(struct extent_map_tree *tree, struct extent_map *em);
 struct extent_map *search_extent_mapping(struct extent_map_tree *tree,
 					 u64 start, u64 len);
 #endif
diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c
index bd38cef..94aa53b 100644
--- a/fs/btrfs/file-item.c
+++ b/fs/btrfs/file-item.c
@@ -460,8 +460,8 @@
 		if (!contig)
 			offset = page_offset(bvec->bv_page) + bvec->bv_offset;
 
-		if (!contig && (offset >= ordered->file_offset + ordered->len ||
-		    offset < ordered->file_offset)) {
+		if (offset >= ordered->file_offset + ordered->len ||
+		    offset < ordered->file_offset) {
 			unsigned long bytes_left;
 			sums->len = this_sum_bytes;
 			this_sum_bytes = 0;
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 77061bf..f76b1fd 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -2241,6 +2241,7 @@
 	if (lockend <= lockstart)
 		lockend = lockstart + root->sectorsize;
 
+	lockend--;
 	len = lockend - lockstart + 1;
 
 	len = max_t(u64, len, root->sectorsize);
@@ -2307,9 +2308,12 @@
 					}
 				}
 
-				*offset = start;
-				free_extent_map(em);
-				break;
+				if (!test_bit(EXTENT_FLAG_PREALLOC,
+					      &em->flags)) {
+					*offset = start;
+					free_extent_map(em);
+					break;
+				}
 			}
 		}
 
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 59ea2e4..0be7a87 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -1862,11 +1862,13 @@
 {
 	struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl;
 	struct btrfs_free_space *info;
-	int ret = 0;
+	int ret;
+	bool re_search = false;
 
 	spin_lock(&ctl->tree_lock);
 
 again:
+	ret = 0;
 	if (!bytes)
 		goto out_lock;
 
@@ -1879,17 +1881,17 @@
 		info = tree_search_offset(ctl, offset_to_bitmap(ctl, offset),
 					  1, 0);
 		if (!info) {
-			/* the tree logging code might be calling us before we
-			 * have fully loaded the free space rbtree for this
-			 * block group.  So it is possible the entry won't
-			 * be in the rbtree yet at all.  The caching code
-			 * will make sure not to put it in the rbtree if
-			 * the logging code has pinned it.
+			/*
+			 * If we found a partial bit of our free space in a
+			 * bitmap but then couldn't find the other part this may
+			 * be a problem, so WARN about it.
 			 */
+			WARN_ON(re_search);
 			goto out_lock;
 		}
 	}
 
+	re_search = false;
 	if (!info->bitmap) {
 		unlink_free_space(ctl, info);
 		if (offset == info->offset) {
@@ -1935,8 +1937,10 @@
 	}
 
 	ret = remove_from_bitmap(ctl, info, &offset, &bytes);
-	if (ret == -EAGAIN)
+	if (ret == -EAGAIN) {
+		re_search = true;
 		goto again;
+	}
 	BUG_ON(ret); /* logic error */
 out_lock:
 	spin_unlock(&ctl->tree_lock);
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 16d9e8e..cc93b23 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -88,7 +88,7 @@
 	[S_IFLNK >> S_SHIFT]	= BTRFS_FT_SYMLINK,
 };
 
-static int btrfs_setsize(struct inode *inode, loff_t newsize);
+static int btrfs_setsize(struct inode *inode, struct iattr *attr);
 static int btrfs_truncate(struct inode *inode);
 static int btrfs_finish_ordered_io(struct btrfs_ordered_extent *ordered_extent);
 static noinline int cow_file_range(struct inode *inode,
@@ -2478,6 +2478,18 @@
 				continue;
 			}
 			nr_truncate++;
+
+			/* 1 for the orphan item deletion. */
+			trans = btrfs_start_transaction(root, 1);
+			if (IS_ERR(trans)) {
+				ret = PTR_ERR(trans);
+				goto out;
+			}
+			ret = btrfs_orphan_add(trans, inode);
+			btrfs_end_transaction(trans, root);
+			if (ret)
+				goto out;
+
 			ret = btrfs_truncate(inode);
 		} else {
 			nr_unlink++;
@@ -3665,6 +3677,7 @@
 				block_end - cur_offset, 0);
 		if (IS_ERR(em)) {
 			err = PTR_ERR(em);
+			em = NULL;
 			break;
 		}
 		last_byte = min(extent_map_end(em), block_end);
@@ -3748,16 +3761,27 @@
 	return err;
 }
 
-static int btrfs_setsize(struct inode *inode, loff_t newsize)
+static int btrfs_setsize(struct inode *inode, struct iattr *attr)
 {
 	struct btrfs_root *root = BTRFS_I(inode)->root;
 	struct btrfs_trans_handle *trans;
 	loff_t oldsize = i_size_read(inode);
+	loff_t newsize = attr->ia_size;
+	int mask = attr->ia_valid;
 	int ret;
 
 	if (newsize == oldsize)
 		return 0;
 
+	/*
+	 * The regular truncate() case without ATTR_CTIME and ATTR_MTIME is a
+	 * special case where we need to update the times despite not having
+	 * these flags set.  For all other operations the VFS set these flags
+	 * explicitly if it wants a timestamp update.
+	 */
+	if (newsize != oldsize && (!(mask & (ATTR_CTIME | ATTR_MTIME))))
+		inode->i_ctime = inode->i_mtime = current_fs_time(inode->i_sb);
+
 	if (newsize > oldsize) {
 		truncate_pagecache(inode, oldsize, newsize);
 		ret = btrfs_cont_expand(inode, oldsize, newsize);
@@ -3783,9 +3807,34 @@
 			set_bit(BTRFS_INODE_ORDERED_DATA_CLOSE,
 				&BTRFS_I(inode)->runtime_flags);
 
+		/*
+		 * 1 for the orphan item we're going to add
+		 * 1 for the orphan item deletion.
+		 */
+		trans = btrfs_start_transaction(root, 2);
+		if (IS_ERR(trans))
+			return PTR_ERR(trans);
+
+		/*
+		 * We need to do this in case we fail at _any_ point during the
+		 * actual truncate.  Once we do the truncate_setsize we could
+		 * invalidate pages which forces any outstanding ordered io to
+		 * be instantly completed which will give us extents that need
+		 * to be truncated.  If we fail to get an orphan inode down we
+		 * could have left over extents that were never meant to live,
+		 * so we need to garuntee from this point on that everything
+		 * will be consistent.
+		 */
+		ret = btrfs_orphan_add(trans, inode);
+		btrfs_end_transaction(trans, root);
+		if (ret)
+			return ret;
+
 		/* we don't support swapfiles, so vmtruncate shouldn't fail */
 		truncate_setsize(inode, newsize);
 		ret = btrfs_truncate(inode);
+		if (ret && inode->i_nlink)
+			btrfs_orphan_del(NULL, inode);
 	}
 
 	return ret;
@@ -3805,7 +3854,7 @@
 		return err;
 
 	if (S_ISREG(inode->i_mode) && (attr->ia_valid & ATTR_SIZE)) {
-		err = btrfs_setsize(inode, attr->ia_size);
+		err = btrfs_setsize(inode, attr);
 		if (err)
 			return err;
 	}
@@ -5572,10 +5621,13 @@
 		return em;
 	if (em) {
 		/*
-		 * if our em maps to a hole, there might
-		 * actually be delalloc bytes behind it
+		 * if our em maps to
+		 * -  a hole or
+		 * -  a pre-alloc extent,
+		 * there might actually be delalloc bytes behind it.
 		 */
-		if (em->block_start != EXTENT_MAP_HOLE)
+		if (em->block_start != EXTENT_MAP_HOLE &&
+		    !test_bit(EXTENT_FLAG_PREALLOC, &em->flags))
 			return em;
 		else
 			hole_em = em;
@@ -5657,6 +5709,8 @@
 			 */
 			em->block_start = hole_em->block_start;
 			em->block_len = hole_len;
+			if (test_bit(EXTENT_FLAG_PREALLOC, &hole_em->flags))
+				set_bit(EXTENT_FLAG_PREALLOC, &em->flags);
 		} else {
 			em->start = range_start;
 			em->len = found;
@@ -6915,11 +6969,9 @@
 
 	/*
 	 * 1 for the truncate slack space
-	 * 1 for the orphan item we're going to add
-	 * 1 for the orphan item deletion
 	 * 1 for updating the inode.
 	 */
-	trans = btrfs_start_transaction(root, 4);
+	trans = btrfs_start_transaction(root, 2);
 	if (IS_ERR(trans)) {
 		err = PTR_ERR(trans);
 		goto out;
@@ -6930,12 +6982,6 @@
 				      min_size);
 	BUG_ON(ret);
 
-	ret = btrfs_orphan_add(trans, inode);
-	if (ret) {
-		btrfs_end_transaction(trans, root);
-		goto out;
-	}
-
 	/*
 	 * setattr is responsible for setting the ordered_data_close flag,
 	 * but that is only tested during the last file release.  That
@@ -7004,12 +7050,6 @@
 		ret = btrfs_orphan_del(trans, inode);
 		if (ret)
 			err = ret;
-	} else if (ret && inode->i_nlink > 0) {
-		/*
-		 * Failed to do the truncate, remove us from the in memory
-		 * orphan list.
-		 */
-		ret = btrfs_orphan_del(NULL, inode);
 	}
 
 	if (trans) {
@@ -7531,41 +7571,61 @@
  */
 int btrfs_start_delalloc_inodes(struct btrfs_root *root, int delay_iput)
 {
-	struct list_head *head = &root->fs_info->delalloc_inodes;
 	struct btrfs_inode *binode;
 	struct inode *inode;
 	struct btrfs_delalloc_work *work, *next;
 	struct list_head works;
+	struct list_head splice;
 	int ret = 0;
 
 	if (root->fs_info->sb->s_flags & MS_RDONLY)
 		return -EROFS;
 
 	INIT_LIST_HEAD(&works);
-
+	INIT_LIST_HEAD(&splice);
+again:
 	spin_lock(&root->fs_info->delalloc_lock);
-	while (!list_empty(head)) {
-		binode = list_entry(head->next, struct btrfs_inode,
+	list_splice_init(&root->fs_info->delalloc_inodes, &splice);
+	while (!list_empty(&splice)) {
+		binode = list_entry(splice.next, struct btrfs_inode,
 				    delalloc_inodes);
+
+		list_del_init(&binode->delalloc_inodes);
+
 		inode = igrab(&binode->vfs_inode);
 		if (!inode)
-			list_del_init(&binode->delalloc_inodes);
+			continue;
+
+		list_add_tail(&binode->delalloc_inodes,
+			      &root->fs_info->delalloc_inodes);
 		spin_unlock(&root->fs_info->delalloc_lock);
-		if (inode) {
-			work = btrfs_alloc_delalloc_work(inode, 0, delay_iput);
-			if (!work) {
-				ret = -ENOMEM;
-				goto out;
-			}
-			list_add_tail(&work->list, &works);
-			btrfs_queue_worker(&root->fs_info->flush_workers,
-					   &work->work);
+
+		work = btrfs_alloc_delalloc_work(inode, 0, delay_iput);
+		if (unlikely(!work)) {
+			ret = -ENOMEM;
+			goto out;
 		}
+		list_add_tail(&work->list, &works);
+		btrfs_queue_worker(&root->fs_info->flush_workers,
+				   &work->work);
+
 		cond_resched();
 		spin_lock(&root->fs_info->delalloc_lock);
 	}
 	spin_unlock(&root->fs_info->delalloc_lock);
 
+	list_for_each_entry_safe(work, next, &works, list) {
+		list_del_init(&work->list);
+		btrfs_wait_and_free_delalloc_work(work);
+	}
+
+	spin_lock(&root->fs_info->delalloc_lock);
+	if (!list_empty(&root->fs_info->delalloc_inodes)) {
+		spin_unlock(&root->fs_info->delalloc_lock);
+		goto again;
+	}
+	spin_unlock(&root->fs_info->delalloc_lock);
+
 	/* the filemap_flush will queue IO into the worker threads, but
 	 * we have to make sure the IO is actually started and that
 	 * ordered extents get created before we return
@@ -7578,11 +7638,18 @@
 		    atomic_read(&root->fs_info->async_delalloc_pages) == 0));
 	}
 	atomic_dec(&root->fs_info->async_submit_draining);
+	return 0;
 out:
 	list_for_each_entry_safe(work, next, &works, list) {
 		list_del_init(&work->list);
 		btrfs_wait_and_free_delalloc_work(work);
 	}
+
+	if (!list_empty_careful(&splice)) {
+		spin_lock(&root->fs_info->delalloc_lock);
+		list_splice_tail(&splice, &root->fs_info->delalloc_inodes);
+		spin_unlock(&root->fs_info->delalloc_lock);
+	}
 	return ret;
 }
 
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 4b45167..5b22d45 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1339,7 +1339,8 @@
 	if (atomic_xchg(&root->fs_info->mutually_exclusive_operation_running,
 			1)) {
 		pr_info("btrfs: dev add/delete/balance/replace/resize operation in progress\n");
-		return -EINPROGRESS;
+		mnt_drop_write_file(file);
+		return -EINVAL;
 	}
 
 	mutex_lock(&root->fs_info->volume_mutex);
@@ -1362,6 +1363,7 @@
 		printk(KERN_INFO "btrfs: resizing devid %llu\n",
 		       (unsigned long long)devid);
 	}
+
 	device = btrfs_find_device(root->fs_info, devid, NULL, NULL);
 	if (!device) {
 		printk(KERN_INFO "btrfs: resizer unable to find device %llu\n",
@@ -1369,9 +1371,10 @@
 		ret = -EINVAL;
 		goto out_free;
 	}
-	if (device->fs_devices && device->fs_devices->seeding) {
+
+	if (!device->writeable) {
 		printk(KERN_INFO "btrfs: resizer unable to apply on "
-		       "seeding device %llu\n",
+		       "readonly device %llu\n",
 		       (unsigned long long)devid);
 		ret = -EINVAL;
 		goto out_free;
@@ -1443,8 +1446,8 @@
 	kfree(vol_args);
 out:
 	mutex_unlock(&root->fs_info->volume_mutex);
-	mnt_drop_write_file(file);
 	atomic_set(&root->fs_info->mutually_exclusive_operation_running, 0);
+	mnt_drop_write_file(file);
 	return ret;
 }
 
@@ -2095,13 +2098,13 @@
 		err = inode_permission(inode, MAY_WRITE | MAY_EXEC);
 		if (err)
 			goto out_dput;
-
-		/* check if subvolume may be deleted by a non-root user */
-		err = btrfs_may_delete(dir, dentry, 1);
-		if (err)
-			goto out_dput;
 	}
 
+	/* check if subvolume may be deleted by a user */
+	err = btrfs_may_delete(dir, dentry, 1);
+	if (err)
+		goto out_dput;
+
 	if (btrfs_ino(inode) != BTRFS_FIRST_FREE_OBJECTID) {
 		err = -EINVAL;
 		goto out_dput;
@@ -2183,19 +2186,20 @@
 	struct btrfs_ioctl_defrag_range_args *range;
 	int ret;
 
-	if (btrfs_root_readonly(root))
-		return -EROFS;
+	ret = mnt_want_write_file(file);
+	if (ret)
+		return ret;
 
 	if (atomic_xchg(&root->fs_info->mutually_exclusive_operation_running,
 			1)) {
 		pr_info("btrfs: dev add/delete/balance/replace/resize operation in progress\n");
-		return -EINPROGRESS;
+		mnt_drop_write_file(file);
+		return -EINVAL;
 	}
-	ret = mnt_want_write_file(file);
-	if (ret) {
-		atomic_set(&root->fs_info->mutually_exclusive_operation_running,
-			   0);
-		return ret;
+
+	if (btrfs_root_readonly(root)) {
+		ret = -EROFS;
+		goto out;
 	}
 
 	switch (inode->i_mode & S_IFMT) {
@@ -2247,8 +2251,8 @@
 		ret = -EINVAL;
 	}
 out:
-	mnt_drop_write_file(file);
 	atomic_set(&root->fs_info->mutually_exclusive_operation_running, 0);
+	mnt_drop_write_file(file);
 	return ret;
 }
 
@@ -2263,7 +2267,7 @@
 	if (atomic_xchg(&root->fs_info->mutually_exclusive_operation_running,
 			1)) {
 		pr_info("btrfs: dev add/delete/balance/replace/resize operation in progress\n");
-		return -EINPROGRESS;
+		return -EINVAL;
 	}
 
 	mutex_lock(&root->fs_info->volume_mutex);
@@ -2300,7 +2304,7 @@
 			1)) {
 		pr_info("btrfs: dev add/delete/balance/replace/resize operation in progress\n");
 		mnt_drop_write_file(file);
-		return -EINPROGRESS;
+		return -EINVAL;
 	}
 
 	mutex_lock(&root->fs_info->volume_mutex);
@@ -2316,8 +2320,8 @@
 	kfree(vol_args);
 out:
 	mutex_unlock(&root->fs_info->volume_mutex);
-	mnt_drop_write_file(file);
 	atomic_set(&root->fs_info->mutually_exclusive_operation_running, 0);
+	mnt_drop_write_file(file);
 	return ret;
 }
 
@@ -3437,8 +3441,8 @@
 	struct btrfs_fs_info *fs_info = root->fs_info;
 	struct btrfs_ioctl_balance_args *bargs;
 	struct btrfs_balance_control *bctl;
+	bool need_unlock; /* for mut. excl. ops lock */
 	int ret;
-	int need_to_clear_lock = 0;
 
 	if (!capable(CAP_SYS_ADMIN))
 		return -EPERM;
@@ -3447,14 +3451,61 @@
 	if (ret)
 		return ret;
 
-	mutex_lock(&fs_info->volume_mutex);
+again:
+	if (!atomic_xchg(&fs_info->mutually_exclusive_operation_running, 1)) {
+		mutex_lock(&fs_info->volume_mutex);
+		mutex_lock(&fs_info->balance_mutex);
+		need_unlock = true;
+		goto locked;
+	}
+
+	/*
+	 * mut. excl. ops lock is locked.  Three possibilites:
+	 *   (1) some other op is running
+	 *   (2) balance is running
+	 *   (3) balance is paused -- special case (think resume)
+	 */
 	mutex_lock(&fs_info->balance_mutex);
+	if (fs_info->balance_ctl) {
+		/* this is either (2) or (3) */
+		if (!atomic_read(&fs_info->balance_running)) {
+			mutex_unlock(&fs_info->balance_mutex);
+			if (!mutex_trylock(&fs_info->volume_mutex))
+				goto again;
+			mutex_lock(&fs_info->balance_mutex);
+
+			if (fs_info->balance_ctl &&
+			    !atomic_read(&fs_info->balance_running)) {
+				/* this is (3) */
+				need_unlock = false;
+				goto locked;
+			}
+
+			mutex_unlock(&fs_info->balance_mutex);
+			mutex_unlock(&fs_info->volume_mutex);
+			goto again;
+		} else {
+			/* this is (2) */
+			mutex_unlock(&fs_info->balance_mutex);
+			ret = -EINPROGRESS;
+			goto out;
+		}
+	} else {
+		/* this is (1) */
+		mutex_unlock(&fs_info->balance_mutex);
+		pr_info("btrfs: dev add/delete/balance/replace/resize operation in progress\n");
+		ret = -EINVAL;
+		goto out;
+	}
+
+locked:
+	BUG_ON(!atomic_read(&fs_info->mutually_exclusive_operation_running));
 
 	if (arg) {
 		bargs = memdup_user(arg, sizeof(*bargs));
 		if (IS_ERR(bargs)) {
 			ret = PTR_ERR(bargs);
-			goto out;
+			goto out_unlock;
 		}
 
 		if (bargs->flags & BTRFS_BALANCE_RESUME) {
@@ -3474,13 +3525,10 @@
 		bargs = NULL;
 	}
 
-	if (atomic_xchg(&root->fs_info->mutually_exclusive_operation_running,
-			1)) {
-		pr_info("btrfs: dev add/delete/balance/replace/resize operation in progress\n");
+	if (fs_info->balance_ctl) {
 		ret = -EINPROGRESS;
 		goto out_bargs;
 	}
-	need_to_clear_lock = 1;
 
 	bctl = kzalloc(sizeof(*bctl), GFP_NOFS);
 	if (!bctl) {
@@ -3501,11 +3549,17 @@
 	}
 
 do_balance:
-	ret = btrfs_balance(bctl, bargs);
 	/*
-	 * bctl is freed in __cancel_balance or in free_fs_info if
-	 * restriper was paused all the way until unmount
+	 * Ownership of bctl and mutually_exclusive_operation_running
+	 * goes to to btrfs_balance.  bctl is freed in __cancel_balance,
+	 * or, if restriper was paused all the way until unmount, in
+	 * free_fs_info.  mutually_exclusive_operation_running is
+	 * cleared in __cancel_balance.
 	 */
+	need_unlock = false;
+
+	ret = btrfs_balance(bctl, bargs);
+
 	if (arg) {
 		if (copy_to_user(arg, bargs, sizeof(*bargs)))
 			ret = -EFAULT;
@@ -3513,12 +3567,12 @@
 
 out_bargs:
 	kfree(bargs);
-out:
-	if (need_to_clear_lock)
-		atomic_set(&root->fs_info->mutually_exclusive_operation_running,
-			   0);
+out_unlock:
 	mutex_unlock(&fs_info->balance_mutex);
 	mutex_unlock(&fs_info->volume_mutex);
+	if (need_unlock)
+		atomic_set(&fs_info->mutually_exclusive_operation_running, 0);
+out:
 	mnt_drop_write_file(file);
 	return ret;
 }
@@ -3698,6 +3752,11 @@
 		goto drop_write;
 	}
 
+	if (!sa->qgroupid) {
+		ret = -EINVAL;
+		goto out;
+	}
+
 	trans = btrfs_join_transaction(root);
 	if (IS_ERR(trans)) {
 		ret = PTR_ERR(trans);
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index fe9d02c..a5c8562 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -379,6 +379,13 @@
 
 		ret = add_relation_rb(fs_info, found_key.objectid,
 				      found_key.offset);
+		if (ret == -ENOENT) {
+			printk(KERN_WARNING
+				"btrfs: orphan qgroup relation 0x%llx->0x%llx\n",
+				(unsigned long long)found_key.objectid,
+				(unsigned long long)found_key.offset);
+			ret = 0;	/* ignore the error */
+		}
 		if (ret)
 			goto out;
 next2:
@@ -956,17 +963,28 @@
 			struct btrfs_fs_info *fs_info, u64 qgroupid)
 {
 	struct btrfs_root *quota_root;
+	struct btrfs_qgroup *qgroup;
 	int ret = 0;
 
 	quota_root = fs_info->quota_root;
 	if (!quota_root)
 		return -EINVAL;
 
+	/* check if there are no relations to this qgroup */
+	spin_lock(&fs_info->qgroup_lock);
+	qgroup = find_qgroup_rb(fs_info, qgroupid);
+	if (qgroup) {
+		if (!list_empty(&qgroup->groups) || !list_empty(&qgroup->members)) {
+			spin_unlock(&fs_info->qgroup_lock);
+			return -EBUSY;
+		}
+	}
+	spin_unlock(&fs_info->qgroup_lock);
+
 	ret = del_qgroup_item(trans, quota_root, qgroupid);
 
 	spin_lock(&fs_info->qgroup_lock);
 	del_qgroup_rb(quota_root->fs_info, qgroupid);
-
 	spin_unlock(&fs_info->qgroup_lock);
 
 	return ret;
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index 5445454..321b7fb 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -1814,8 +1814,10 @@
 			(unsigned long)nce->ino);
 	if (!nce_head) {
 		nce_head = kmalloc(sizeof(*nce_head), GFP_NOFS);
-		if (!nce_head)
+		if (!nce_head) {
+			kfree(nce);
 			return -ENOMEM;
+		}
 		INIT_LIST_HEAD(nce_head);
 
 		ret = radix_tree_insert(&sctx->name_cache, nce->ino, nce_head);
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 99545df..d8982e9 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -267,7 +267,7 @@
 			     function, line, errstr);
 		return;
 	}
-	trans->transaction->aborted = errno;
+	ACCESS_ONCE(trans->transaction->aborted) = errno;
 	__btrfs_std_error(root->fs_info, function, line, errno, NULL);
 }
 /*
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 87fac9a..f154946 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -1468,7 +1468,8 @@
 		goto cleanup_transaction;
 	}
 
-	if (cur_trans->aborted) {
+	/* Stop the commit early if ->aborted is set */
+	if (unlikely(ACCESS_ONCE(cur_trans->aborted))) {
 		ret = cur_trans->aborted;
 		goto cleanup_transaction;
 	}
@@ -1574,6 +1575,11 @@
 	wait_event(cur_trans->writer_wait,
 		   atomic_read(&cur_trans->num_writers) == 1);
 
+	/* ->aborted might be set after the previous check, so check it */
+	if (unlikely(ACCESS_ONCE(cur_trans->aborted))) {
+		ret = cur_trans->aborted;
+		goto cleanup_transaction;
+	}
 	/*
 	 * the reloc mutex makes sure that we stop
 	 * the balancing code from coming in and moving
@@ -1657,6 +1663,17 @@
 		goto cleanup_transaction;
 	}
 
+	/*
+	 * The tasks which save the space cache and inode cache may also
+	 * update ->aborted, check it.
+	 */
+	if (unlikely(ACCESS_ONCE(cur_trans->aborted))) {
+		ret = cur_trans->aborted;
+		mutex_unlock(&root->fs_info->tree_log_mutex);
+		mutex_unlock(&root->fs_info->reloc_mutex);
+		goto cleanup_transaction;
+	}
+
 	btrfs_prepare_extent_commit(trans, root);
 
 	cur_trans = root->fs_info->running_transaction;
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 83186c7..9027bb1 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -3357,6 +3357,11 @@
 	if (skip_csum)
 		return 0;
 
+	if (em->compress_type) {
+		csum_offset = 0;
+		csum_len = block_len;
+	}
+
 	/* block start is already adjusted for the file extent offset. */
 	ret = btrfs_lookup_csums_range(log->fs_info->csum_root,
 				       em->block_start + csum_offset,
@@ -3410,13 +3415,13 @@
 		em = list_entry(extents.next, struct extent_map, list);
 
 		list_del_init(&em->list);
-		clear_bit(EXTENT_FLAG_LOGGING, &em->flags);
 
 		/*
 		 * If we had an error we just need to delete everybody from our
 		 * private list.
 		 */
 		if (ret) {
+			clear_em_logging(tree, em);
 			free_extent_map(em);
 			continue;
 		}
@@ -3424,8 +3429,9 @@
 		write_unlock(&tree->lock);
 
 		ret = log_one_extent(trans, inode, root, em, path);
-		free_extent_map(em);
 		write_lock(&tree->lock);
+		clear_em_logging(tree, em);
+		free_extent_map(em);
 	}
 	WARN_ON(!list_empty(&extents));
 	write_unlock(&tree->lock);
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 5cce6aa..15f6efd 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1431,7 +1431,7 @@
 		}
 	} else {
 		ret = btrfs_get_bdev_and_sb(device_path,
-					    FMODE_READ | FMODE_EXCL,
+					    FMODE_WRITE | FMODE_EXCL,
 					    root->fs_info->bdev_holder, 0,
 					    &bdev, &bh);
 		if (ret)
@@ -2614,7 +2614,14 @@
 	cache = btrfs_lookup_block_group(fs_info, chunk_offset);
 	chunk_used = btrfs_block_group_used(&cache->item);
 
-	user_thresh = div_factor_fine(cache->key.offset, bargs->usage);
+	if (bargs->usage == 0)
+		user_thresh = 0;
+	else if (bargs->usage > 100)
+		user_thresh = cache->key.offset;
+	else
+		user_thresh = div_factor_fine(cache->key.offset,
+					      bargs->usage);
+
 	if (chunk_used < user_thresh)
 		ret = 0;
 
@@ -2959,6 +2966,8 @@
 	unset_balance_control(fs_info);
 	ret = del_balance_item(fs_info->tree_root);
 	BUG_ON(ret);
+
+	atomic_set(&fs_info->mutually_exclusive_operation_running, 0);
 }
 
 void update_ioctl_balance_args(struct btrfs_fs_info *fs_info, int lock,
@@ -3138,8 +3147,10 @@
 out:
 	if (bctl->flags & BTRFS_BALANCE_RESUME)
 		__cancel_balance(fs_info);
-	else
+	else {
 		kfree(bctl);
+		atomic_set(&fs_info->mutually_exclusive_operation_running, 0);
+	}
 	return ret;
 }
 
@@ -3156,7 +3167,6 @@
 		ret = btrfs_balance(fs_info->balance_ctl, NULL);
 	}
 
-	atomic_set(&fs_info->mutually_exclusive_operation_running, 0);
 	mutex_unlock(&fs_info->balance_mutex);
 	mutex_unlock(&fs_info->volume_mutex);
 
@@ -3179,7 +3189,6 @@
 		return 0;
 	}
 
-	WARN_ON(atomic_xchg(&fs_info->mutually_exclusive_operation_running, 1));
 	tsk = kthread_run(balance_kthread, fs_info, "btrfs-balance");
 	if (IS_ERR(tsk))
 		return PTR_ERR(tsk);
@@ -3233,6 +3242,8 @@
 	btrfs_balance_sys(leaf, item, &disk_bargs);
 	btrfs_disk_balance_args_to_cpu(&bctl->sys, &disk_bargs);
 
+	WARN_ON(atomic_xchg(&fs_info->mutually_exclusive_operation_running, 1));
+
 	mutex_lock(&fs_info->volume_mutex);
 	mutex_lock(&fs_info->balance_mutex);
 
@@ -3496,7 +3507,7 @@
 	{ 1, 1, 2, 2, 2, 2 /* raid1 */ },
 	{ 1, 2, 1, 1, 1, 2 /* dup */ },
 	{ 1, 1, 0, 2, 1, 1 /* raid0 */ },
-	{ 1, 1, 0, 1, 1, 1 /* single */ },
+	{ 1, 1, 1, 1, 1, 1 /* single */ },
 };
 
 static int __btrfs_alloc_chunk(struct btrfs_trans_handle *trans,
diff --git a/fs/cifs/cifs_dfs_ref.c b/fs/cifs/cifs_dfs_ref.c
index ce5cbd7..210fce2 100644
--- a/fs/cifs/cifs_dfs_ref.c
+++ b/fs/cifs/cifs_dfs_ref.c
@@ -226,6 +226,8 @@
 compose_mount_options_err:
 	kfree(mountdata);
 	mountdata = ERR_PTR(rc);
+	kfree(*devname);
+	*devname = NULL;
 	goto compose_mount_options_out;
 }
 
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 17c3643..12b3da3 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -1917,7 +1917,7 @@
 	}
 	case AF_INET6: {
 		struct sockaddr_in6 *saddr6 = (struct sockaddr_in6 *)srcaddr;
-		struct sockaddr_in6 *vaddr6 = (struct sockaddr_in6 *)&rhs;
+		struct sockaddr_in6 *vaddr6 = (struct sockaddr_in6 *)rhs;
 		return ipv6_addr_equal(&saddr6->sin6_addr, &vaddr6->sin6_addr);
 	}
 	default:
diff --git a/fs/f2fs/acl.c b/fs/f2fs/acl.c
index e95b949..137af42 100644
--- a/fs/f2fs/acl.c
+++ b/fs/f2fs/acl.c
@@ -191,15 +191,14 @@
 		retval = f2fs_getxattr(inode, name_index, "", value, retval);
 	}
 
-	if (retval < 0) {
-		if (retval == -ENODATA)
-			acl = NULL;
-		else
-			acl = ERR_PTR(retval);
-	} else {
+	if (retval > 0)
 		acl = f2fs_acl_from_disk(value, retval);
-	}
+	else if (retval == -ENODATA)
+		acl = NULL;
+	else
+		acl = ERR_PTR(retval);
 	kfree(value);
+
 	if (!IS_ERR(acl))
 		set_cached_acl(inode, type, acl);
 
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 6ef36c3..ff3c843 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -214,7 +214,6 @@
 		goto retry;
 	}
 	new->ino = ino;
-	INIT_LIST_HEAD(&new->list);
 
 	/* add new_oentry into list which is sorted by inode number */
 	if (orphan) {
@@ -772,7 +771,7 @@
 	sbi->n_orphans = 0;
 }
 
-int create_checkpoint_caches(void)
+int __init create_checkpoint_caches(void)
 {
 	orphan_entry_slab = f2fs_kmem_cache_create("f2fs_orphan_entry",
 			sizeof(struct orphan_inode_entry), NULL);
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 3aa5ce7..7bd22a2 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -547,6 +547,15 @@
 
 #define MAX_DESIRED_PAGES_WP	4096
 
+static int __f2fs_writepage(struct page *page, struct writeback_control *wbc,
+			void *data)
+{
+	struct address_space *mapping = data;
+	int ret = mapping->a_ops->writepage(page, wbc);
+	mapping_set_error(mapping, ret);
+	return ret;
+}
+
 static int f2fs_write_data_pages(struct address_space *mapping,
 			    struct writeback_control *wbc)
 {
@@ -563,7 +572,7 @@
 
 	if (!S_ISDIR(inode->i_mode))
 		mutex_lock(&sbi->writepages);
-	ret = generic_writepages(mapping, wbc);
+	ret = write_cache_pages(mapping, wbc, __f2fs_writepage, mapping);
 	if (!S_ISDIR(inode->i_mode))
 		mutex_unlock(&sbi->writepages);
 	f2fs_submit_bio(sbi, DATA, (wbc->sync_mode == WB_SYNC_ALL));
@@ -689,6 +698,11 @@
 	return 0;
 }
 
+static sector_t f2fs_bmap(struct address_space *mapping, sector_t block)
+{
+	return generic_block_bmap(mapping, block, get_data_block_ro);
+}
+
 const struct address_space_operations f2fs_dblock_aops = {
 	.readpage	= f2fs_read_data_page,
 	.readpages	= f2fs_read_data_pages,
@@ -700,4 +714,5 @@
 	.invalidatepage	= f2fs_invalidate_data_page,
 	.releasepage	= f2fs_release_data_page,
 	.direct_IO	= f2fs_direct_IO,
+	.bmap		= f2fs_bmap,
 };
diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index 0e0380a..c8c3730 100644
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -26,6 +26,7 @@
 
 static LIST_HEAD(f2fs_stat_list);
 static struct dentry *debugfs_root;
+static DEFINE_MUTEX(f2fs_stat_mutex);
 
 static void update_general_status(struct f2fs_sb_info *sbi)
 {
@@ -180,18 +181,14 @@
 	int i = 0;
 	int j;
 
+	mutex_lock(&f2fs_stat_mutex);
 	list_for_each_entry_safe(si, next, &f2fs_stat_list, stat_list) {
 
-		mutex_lock(&si->stat_lock);
-		if (!si->sbi) {
-			mutex_unlock(&si->stat_lock);
-			continue;
-		}
 		update_general_status(si->sbi);
 
 		seq_printf(s, "\n=====[ partition info. #%d ]=====\n", i++);
-		seq_printf(s, "[SB: 1] [CP: 2] [NAT: %d] [SIT: %d] ",
-			   si->nat_area_segs, si->sit_area_segs);
+		seq_printf(s, "[SB: 1] [CP: 2] [SIT: %d] [NAT: %d] ",
+			   si->sit_area_segs, si->nat_area_segs);
 		seq_printf(s, "[SSA: %d] [MAIN: %d",
 			   si->ssa_area_segs, si->main_area_segs);
 		seq_printf(s, "(OverProv:%d Resv:%d)]\n\n",
@@ -286,8 +283,8 @@
 		seq_printf(s, "\nMemory: %u KB = static: %u + cached: %u\n",
 				(si->base_mem + si->cache_mem) >> 10,
 				si->base_mem >> 10, si->cache_mem >> 10);
-		mutex_unlock(&si->stat_lock);
 	}
+	mutex_unlock(&f2fs_stat_mutex);
 	return 0;
 }
 
@@ -303,7 +300,7 @@
 	.release = single_release,
 };
 
-static int init_stats(struct f2fs_sb_info *sbi)
+int f2fs_build_stats(struct f2fs_sb_info *sbi)
 {
 	struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi);
 	struct f2fs_stat_info *si;
@@ -313,9 +310,6 @@
 		return -ENOMEM;
 
 	si = sbi->stat_info;
-	mutex_init(&si->stat_lock);
-	list_add_tail(&si->stat_list, &f2fs_stat_list);
-
 	si->all_area_segs = le32_to_cpu(raw_super->segment_count);
 	si->sit_area_segs = le32_to_cpu(raw_super->segment_count_sit);
 	si->nat_area_segs = le32_to_cpu(raw_super->segment_count_nat);
@@ -325,21 +319,11 @@
 	si->main_area_zones = si->main_area_sections /
 				le32_to_cpu(raw_super->secs_per_zone);
 	si->sbi = sbi;
-	return 0;
-}
 
-int f2fs_build_stats(struct f2fs_sb_info *sbi)
-{
-	int retval;
+	mutex_lock(&f2fs_stat_mutex);
+	list_add_tail(&si->stat_list, &f2fs_stat_list);
+	mutex_unlock(&f2fs_stat_mutex);
 
-	retval = init_stats(sbi);
-	if (retval)
-		return retval;
-
-	if (!debugfs_root)
-		debugfs_root = debugfs_create_dir("f2fs", NULL);
-
-	debugfs_create_file("status", S_IRUGO, debugfs_root, NULL, &stat_fops);
 	return 0;
 }
 
@@ -347,14 +331,22 @@
 {
 	struct f2fs_stat_info *si = sbi->stat_info;
 
+	mutex_lock(&f2fs_stat_mutex);
 	list_del(&si->stat_list);
-	mutex_lock(&si->stat_lock);
-	si->sbi = NULL;
-	mutex_unlock(&si->stat_lock);
+	mutex_unlock(&f2fs_stat_mutex);
+
 	kfree(sbi->stat_info);
 }
 
-void destroy_root_stats(void)
+void __init f2fs_create_root_stats(void)
+{
+	debugfs_root = debugfs_create_dir("f2fs", NULL);
+	if (debugfs_root)
+		debugfs_create_file("status", S_IRUGO, debugfs_root,
+					 NULL, &stat_fops);
+}
+
+void f2fs_destroy_root_stats(void)
 {
 	debugfs_remove_recursive(debugfs_root);
 	debugfs_root = NULL;
diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index 951ed52..989980e 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -503,7 +503,7 @@
 	}
 
 	if (inode) {
-		inode->i_ctime = dir->i_ctime = dir->i_mtime = CURRENT_TIME;
+		inode->i_ctime = CURRENT_TIME;
 		drop_nlink(inode);
 		if (S_ISDIR(inode->i_mode)) {
 			drop_nlink(inode);
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 13c6dfb..c8e2d75 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -211,11 +211,11 @@
 static inline void set_new_dnode(struct dnode_of_data *dn, struct inode *inode,
 		struct page *ipage, struct page *npage, nid_t nid)
 {
+	memset(dn, 0, sizeof(*dn));
 	dn->inode = inode;
 	dn->inode_page = ipage;
 	dn->node_page = npage;
 	dn->nid = nid;
-	dn->inode_page_locked = 0;
 }
 
 /*
@@ -877,6 +877,8 @@
  * super.c
  */
 int f2fs_sync_fs(struct super_block *, int);
+extern __printf(3, 4)
+void f2fs_msg(struct super_block *, const char *, const char *, ...);
 
 /*
  * hash.c
@@ -912,7 +914,7 @@
 void flush_nat_entries(struct f2fs_sb_info *);
 int build_node_manager(struct f2fs_sb_info *);
 void destroy_node_manager(struct f2fs_sb_info *);
-int create_node_manager_caches(void);
+int __init create_node_manager_caches(void);
 void destroy_node_manager_caches(void);
 
 /*
@@ -964,7 +966,7 @@
 void block_operations(struct f2fs_sb_info *);
 void write_checkpoint(struct f2fs_sb_info *, bool, bool);
 void init_orphan_info(struct f2fs_sb_info *);
-int create_checkpoint_caches(void);
+int __init create_checkpoint_caches(void);
 void destroy_checkpoint_caches(void);
 
 /*
@@ -984,9 +986,9 @@
 int start_gc_thread(struct f2fs_sb_info *);
 void stop_gc_thread(struct f2fs_sb_info *);
 block_t start_bidx_of_node(unsigned int);
-int f2fs_gc(struct f2fs_sb_info *, int);
+int f2fs_gc(struct f2fs_sb_info *);
 void build_gc_manager(struct f2fs_sb_info *);
-int create_gc_caches(void);
+int __init create_gc_caches(void);
 void destroy_gc_caches(void);
 
 /*
@@ -1058,7 +1060,8 @@
 
 int f2fs_build_stats(struct f2fs_sb_info *);
 void f2fs_destroy_stats(struct f2fs_sb_info *);
-void destroy_root_stats(void);
+void __init f2fs_create_root_stats(void);
+void f2fs_destroy_root_stats(void);
 #else
 #define stat_inc_call_count(si)
 #define stat_inc_seg_count(si, type)
@@ -1068,7 +1071,8 @@
 
 static inline int f2fs_build_stats(struct f2fs_sb_info *sbi) { return 0; }
 static inline void f2fs_destroy_stats(struct f2fs_sb_info *sbi) { }
-static inline void destroy_root_stats(void) { }
+static inline void __init f2fs_create_root_stats(void) { }
+static inline void f2fs_destroy_root_stats(void) { }
 #endif
 
 extern const struct file_operations f2fs_dir_operations;
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 7f9ea92..3191b52 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -96,8 +96,9 @@
 }
 
 static const struct vm_operations_struct f2fs_file_vm_ops = {
-	.fault        = filemap_fault,
-	.page_mkwrite = f2fs_vm_page_mkwrite,
+	.fault		= filemap_fault,
+	.page_mkwrite	= f2fs_vm_page_mkwrite,
+	.remap_pages	= generic_file_remap_pages,
 };
 
 static int need_to_sync_dir(struct f2fs_sb_info *sbi, struct inode *inode)
@@ -137,6 +138,9 @@
 	if (ret)
 		return ret;
 
+	/* guarantee free sections for fsync */
+	f2fs_balance_fs(sbi);
+
 	mutex_lock(&inode->i_mutex);
 
 	if (datasync && !(inode->i_state & I_DIRTY_DATASYNC))
@@ -407,6 +411,8 @@
 		struct dnode_of_data dn;
 		struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb);
 
+		f2fs_balance_fs(sbi);
+
 		mutex_lock_op(sbi, DATA_TRUNC);
 		set_new_dnode(&dn, inode, NULL, NULL, 0);
 		err = get_dnode_of_data(&dn, index, RDONLY_NODE);
@@ -534,7 +540,6 @@
 				loff_t offset, loff_t len)
 {
 	struct inode *inode = file->f_path.dentry->d_inode;
-	struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb);
 	long ret;
 
 	if (mode & ~(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE))
@@ -545,7 +550,10 @@
 	else
 		ret = expand_inode_data(inode, offset, len, mode);
 
-	f2fs_balance_fs(sbi);
+	if (!ret) {
+		inode->i_mtime = inode->i_ctime = CURRENT_TIME;
+		mark_inode_dirty(inode);
+	}
 	return ret;
 }
 
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index b0ec721..c386910 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -78,7 +78,7 @@
 
 		sbi->bg_gc++;
 
-		if (f2fs_gc(sbi, 1) == GC_NONE)
+		if (f2fs_gc(sbi) == GC_NONE)
 			wait_ms = GC_THREAD_NOGC_SLEEP_TIME;
 		else if (wait_ms == GC_THREAD_NOGC_SLEEP_TIME)
 			wait_ms = GC_THREAD_MAX_SLEEP_TIME;
@@ -424,7 +424,11 @@
 }
 
 /*
- * Calculate start block index that this node page contains
+ * Calculate start block index indicating the given node offset.
+ * Be careful, caller should give this node offset only indicating direct node
+ * blocks. If any node offsets, which point the other types of node blocks such
+ * as indirect or double indirect node blocks, are given, it must be a caller's
+ * bug.
  */
 block_t start_bidx_of_node(unsigned int node_ofs)
 {
@@ -651,62 +655,44 @@
 	return ret;
 }
 
-int f2fs_gc(struct f2fs_sb_info *sbi, int nGC)
+int f2fs_gc(struct f2fs_sb_info *sbi)
 {
-	unsigned int segno;
-	int old_free_secs, cur_free_secs;
-	int gc_status, nfree;
 	struct list_head ilist;
+	unsigned int segno, i;
 	int gc_type = BG_GC;
+	int gc_status = GC_NONE;
 
 	INIT_LIST_HEAD(&ilist);
 gc_more:
-	nfree = 0;
-	gc_status = GC_NONE;
+	if (!(sbi->sb->s_flags & MS_ACTIVE))
+		goto stop;
 
 	if (has_not_enough_free_secs(sbi))
-		old_free_secs = reserved_sections(sbi);
-	else
-		old_free_secs = free_sections(sbi);
+		gc_type = FG_GC;
 
-	while (sbi->sb->s_flags & MS_ACTIVE) {
-		int i;
-		if (has_not_enough_free_secs(sbi))
-			gc_type = FG_GC;
+	if (!__get_victim(sbi, &segno, gc_type, NO_CHECK_TYPE))
+		goto stop;
 
-		cur_free_secs = free_sections(sbi) + nfree;
-
-		/* We got free space successfully. */
-		if (nGC < cur_free_secs - old_free_secs)
+	for (i = 0; i < sbi->segs_per_sec; i++) {
+		/*
+		 * do_garbage_collect will give us three gc_status:
+		 * GC_ERROR, GC_DONE, and GC_BLOCKED.
+		 * If GC is finished uncleanly, we have to return
+		 * the victim to dirty segment list.
+		 */
+		gc_status = do_garbage_collect(sbi, segno + i, &ilist, gc_type);
+		if (gc_status != GC_DONE)
 			break;
-
-		if (!__get_victim(sbi, &segno, gc_type, NO_CHECK_TYPE))
-			break;
-
-		for (i = 0; i < sbi->segs_per_sec; i++) {
-			/*
-			 * do_garbage_collect will give us three gc_status:
-			 * GC_ERROR, GC_DONE, and GC_BLOCKED.
-			 * If GC is finished uncleanly, we have to return
-			 * the victim to dirty segment list.
-			 */
-			gc_status = do_garbage_collect(sbi, segno + i,
-					&ilist, gc_type);
-			if (gc_status != GC_DONE)
-				goto stop;
-			nfree++;
-		}
 	}
-stop:
-	if (has_not_enough_free_secs(sbi) || gc_status == GC_BLOCKED) {
+	if (has_not_enough_free_secs(sbi)) {
 		write_checkpoint(sbi, (gc_status == GC_BLOCKED), false);
-		if (nfree)
+		if (has_not_enough_free_secs(sbi))
 			goto gc_more;
 	}
+stop:
 	mutex_unlock(&sbi->gc_mutex);
 
 	put_gc_inode(&ilist);
-	BUG_ON(!list_empty(&ilist));
 	return gc_status;
 }
 
@@ -715,7 +701,7 @@
 	DIRTY_I(sbi)->v_ops = &default_v_ops;
 }
 
-int create_gc_caches(void)
+int __init create_gc_caches(void)
 {
 	winode_slab = f2fs_kmem_cache_create("f2fs_gc_inodes",
 			sizeof(struct inode_entry), NULL);
diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
index bf20b4d..7942417 100644
--- a/fs/f2fs/inode.c
+++ b/fs/f2fs/inode.c
@@ -217,6 +217,9 @@
 			inode->i_ino == F2FS_META_INO(sbi))
 		return 0;
 
+	if (wbc)
+		f2fs_balance_fs(sbi);
+
 	node_page = get_node_page(sbi, inode->i_ino);
 	if (IS_ERR(node_page))
 		return PTR_ERR(node_page);
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 5066bfd..9bda63c 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1124,6 +1124,12 @@
 	return 0;
 }
 
+/*
+ * It is very important to gather dirty pages and write at once, so that we can
+ * submit a big bio without interfering other data writes.
+ * Be default, 512 pages (2MB), a segment size, is quite reasonable.
+ */
+#define COLLECT_DIRTY_NODES	512
 static int f2fs_write_node_pages(struct address_space *mapping,
 			    struct writeback_control *wbc)
 {
@@ -1131,17 +1137,16 @@
 	struct block_device *bdev = sbi->sb->s_bdev;
 	long nr_to_write = wbc->nr_to_write;
 
-	if (wbc->for_kupdate)
-		return 0;
-
-	if (get_pages(sbi, F2FS_DIRTY_NODES) == 0)
-		return 0;
-
+	/* First check balancing cached NAT entries */
 	if (try_to_free_nats(sbi, NAT_ENTRY_PER_BLOCK)) {
 		write_checkpoint(sbi, false, false);
 		return 0;
 	}
 
+	/* collect a number of dirty node pages and write together */
+	if (get_pages(sbi, F2FS_DIRTY_NODES) < COLLECT_DIRTY_NODES)
+		return 0;
+
 	/* if mounting is failed, skip writing node pages */
 	wbc->nr_to_write = bio_get_nr_vecs(bdev);
 	sync_node_pages(sbi, 0, wbc);
@@ -1732,7 +1737,7 @@
 	kfree(nm_i);
 }
 
-int create_node_manager_caches(void)
+int __init create_node_manager_caches(void)
 {
 	nat_entry_slab = f2fs_kmem_cache_create("nat_entry",
 			sizeof(struct nat_entry), NULL);
diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
index b571fee..f42e406 100644
--- a/fs/f2fs/recovery.c
+++ b/fs/f2fs/recovery.c
@@ -67,7 +67,7 @@
 		kunmap(page);
 		f2fs_put_page(page, 0);
 	} else {
-		f2fs_add_link(&dent, inode);
+		err = f2fs_add_link(&dent, inode);
 	}
 	iput(dir);
 out:
@@ -151,7 +151,6 @@
 				goto out;
 			}
 
-			INIT_LIST_HEAD(&entry->list);
 			list_add_tail(&entry->list, head);
 			entry->blkaddr = blkaddr;
 		}
@@ -174,10 +173,9 @@
 static void destroy_fsync_dnodes(struct f2fs_sb_info *sbi,
 					struct list_head *head)
 {
-	struct list_head *this;
-	struct fsync_inode_entry *entry;
-	list_for_each(this, head) {
-		entry = list_entry(this, struct fsync_inode_entry, list);
+	struct fsync_inode_entry *entry, *tmp;
+
+	list_for_each_entry_safe(entry, tmp, head, list) {
 		iput(entry->inode);
 		list_del(&entry->list);
 		kmem_cache_free(fsync_entry_slab, entry);
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index de62409..4b00990 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -31,7 +31,7 @@
 	 */
 	if (has_not_enough_free_secs(sbi)) {
 		mutex_lock(&sbi->gc_mutex);
-		f2fs_gc(sbi, 1);
+		f2fs_gc(sbi);
 	}
 }
 
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 08a94c8..37fad04 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -53,6 +53,18 @@
 	{Opt_err, NULL},
 };
 
+void f2fs_msg(struct super_block *sb, const char *level, const char *fmt, ...)
+{
+	struct va_format vaf;
+	va_list args;
+
+	va_start(args, fmt);
+	vaf.fmt = fmt;
+	vaf.va = &args;
+	printk("%sF2FS-fs (%s): %pV\n", level, sb->s_id, &vaf);
+	va_end(args);
+}
+
 static void init_once(void *foo)
 {
 	struct f2fs_inode_info *fi = (struct f2fs_inode_info *) foo;
@@ -125,6 +137,8 @@
 
 	if (sync)
 		write_checkpoint(sbi, false, false);
+	else
+		f2fs_balance_fs(sbi);
 
 	return 0;
 }
@@ -247,7 +261,8 @@
 	.get_parent = f2fs_get_parent,
 };
 
-static int parse_options(struct f2fs_sb_info *sbi, char *options)
+static int parse_options(struct super_block *sb, struct f2fs_sb_info *sbi,
+				char *options)
 {
 	substring_t args[MAX_OPT_ARGS];
 	char *p;
@@ -286,7 +301,8 @@
 			break;
 #else
 		case Opt_nouser_xattr:
-			pr_info("nouser_xattr options not supported\n");
+			f2fs_msg(sb, KERN_INFO,
+				"nouser_xattr options not supported");
 			break;
 #endif
 #ifdef CONFIG_F2FS_FS_POSIX_ACL
@@ -295,7 +311,7 @@
 			break;
 #else
 		case Opt_noacl:
-			pr_info("noacl options not supported\n");
+			f2fs_msg(sb, KERN_INFO, "noacl options not supported");
 			break;
 #endif
 		case Opt_active_logs:
@@ -309,8 +325,9 @@
 			set_opt(sbi, DISABLE_EXT_IDENTIFY);
 			break;
 		default:
-			pr_err("Unrecognized mount option \"%s\" or missing value\n",
-					p);
+			f2fs_msg(sb, KERN_ERR,
+				"Unrecognized mount option \"%s\" or missing value",
+				p);
 			return -EINVAL;
 		}
 	}
@@ -337,23 +354,36 @@
 	return result;
 }
 
-static int sanity_check_raw_super(struct f2fs_super_block *raw_super)
+static int sanity_check_raw_super(struct super_block *sb,
+			struct f2fs_super_block *raw_super)
 {
 	unsigned int blocksize;
 
-	if (F2FS_SUPER_MAGIC != le32_to_cpu(raw_super->magic))
+	if (F2FS_SUPER_MAGIC != le32_to_cpu(raw_super->magic)) {
+		f2fs_msg(sb, KERN_INFO,
+			"Magic Mismatch, valid(0x%x) - read(0x%x)",
+			F2FS_SUPER_MAGIC, le32_to_cpu(raw_super->magic));
 		return 1;
+	}
 
 	/* Currently, support only 4KB block size */
 	blocksize = 1 << le32_to_cpu(raw_super->log_blocksize);
-	if (blocksize != PAGE_CACHE_SIZE)
+	if (blocksize != PAGE_CACHE_SIZE) {
+		f2fs_msg(sb, KERN_INFO,
+			"Invalid blocksize (%u), supports only 4KB\n",
+			blocksize);
 		return 1;
+	}
 	if (le32_to_cpu(raw_super->log_sectorsize) !=
-					F2FS_LOG_SECTOR_SIZE)
+					F2FS_LOG_SECTOR_SIZE) {
+		f2fs_msg(sb, KERN_INFO, "Invalid log sectorsize");
 		return 1;
+	}
 	if (le32_to_cpu(raw_super->log_sectors_per_block) !=
-					F2FS_LOG_SECTORS_PER_BLOCK)
+					F2FS_LOG_SECTORS_PER_BLOCK) {
+		f2fs_msg(sb, KERN_INFO, "Invalid log sectors per block");
 		return 1;
+	}
 	return 0;
 }
 
@@ -413,14 +443,17 @@
 	if (!sbi)
 		return -ENOMEM;
 
-	/* set a temporary block size */
-	if (!sb_set_blocksize(sb, F2FS_BLKSIZE))
+	/* set a block size */
+	if (!sb_set_blocksize(sb, F2FS_BLKSIZE)) {
+		f2fs_msg(sb, KERN_ERR, "unable to set blocksize");
 		goto free_sbi;
+	}
 
 	/* read f2fs raw super block */
 	raw_super_buf = sb_bread(sb, 0);
 	if (!raw_super_buf) {
 		err = -EIO;
+		f2fs_msg(sb, KERN_ERR, "unable to read superblock");
 		goto free_sbi;
 	}
 	raw_super = (struct f2fs_super_block *)
@@ -438,12 +471,14 @@
 	set_opt(sbi, POSIX_ACL);
 #endif
 	/* parse mount options */
-	if (parse_options(sbi, (char *)data))
+	if (parse_options(sb, sbi, (char *)data))
 		goto free_sb_buf;
 
 	/* sanity checking of raw super */
-	if (sanity_check_raw_super(raw_super))
+	if (sanity_check_raw_super(sb, raw_super)) {
+		f2fs_msg(sb, KERN_ERR, "Can't find a valid F2FS filesystem");
 		goto free_sb_buf;
+	}
 
 	sb->s_maxbytes = max_file_size(le32_to_cpu(raw_super->log_blocksize));
 	sb->s_max_links = F2FS_LINK_MAX;
@@ -477,18 +512,23 @@
 	/* get an inode for meta space */
 	sbi->meta_inode = f2fs_iget(sb, F2FS_META_INO(sbi));
 	if (IS_ERR(sbi->meta_inode)) {
+		f2fs_msg(sb, KERN_ERR, "Failed to read F2FS meta data inode");
 		err = PTR_ERR(sbi->meta_inode);
 		goto free_sb_buf;
 	}
 
 	err = get_valid_checkpoint(sbi);
-	if (err)
+	if (err) {
+		f2fs_msg(sb, KERN_ERR, "Failed to get valid F2FS checkpoint");
 		goto free_meta_inode;
+	}
 
 	/* sanity checking of checkpoint */
 	err = -EINVAL;
-	if (sanity_check_ckpt(raw_super, sbi->ckpt))
+	if (sanity_check_ckpt(raw_super, sbi->ckpt)) {
+		f2fs_msg(sb, KERN_ERR, "Invalid F2FS checkpoint");
 		goto free_cp;
+	}
 
 	sbi->total_valid_node_count =
 				le32_to_cpu(sbi->ckpt->valid_node_count);
@@ -502,25 +542,28 @@
 	INIT_LIST_HEAD(&sbi->dir_inode_list);
 	spin_lock_init(&sbi->dir_inode_lock);
 
-	/* init super block */
-	if (!sb_set_blocksize(sb, sbi->blocksize))
-		goto free_cp;
-
 	init_orphan_info(sbi);
 
 	/* setup f2fs internal modules */
 	err = build_segment_manager(sbi);
-	if (err)
+	if (err) {
+		f2fs_msg(sb, KERN_ERR,
+			"Failed to initialize F2FS segment manager");
 		goto free_sm;
+	}
 	err = build_node_manager(sbi);
-	if (err)
+	if (err) {
+		f2fs_msg(sb, KERN_ERR,
+			"Failed to initialize F2FS node manager");
 		goto free_nm;
+	}
 
 	build_gc_manager(sbi);
 
 	/* get an inode for node space */
 	sbi->node_inode = f2fs_iget(sb, F2FS_NODE_INO(sbi));
 	if (IS_ERR(sbi->node_inode)) {
+		f2fs_msg(sb, KERN_ERR, "Failed to read node inode");
 		err = PTR_ERR(sbi->node_inode);
 		goto free_nm;
 	}
@@ -533,6 +576,7 @@
 	/* read root inode and dentry */
 	root = f2fs_iget(sb, F2FS_ROOT_INO(sbi));
 	if (IS_ERR(root)) {
+		f2fs_msg(sb, KERN_ERR, "Failed to read root inode");
 		err = PTR_ERR(root);
 		goto free_node_inode;
 	}
@@ -596,7 +640,7 @@
 	.fs_flags	= FS_REQUIRES_DEV,
 };
 
-static int init_inodecache(void)
+static int __init init_inodecache(void)
 {
 	f2fs_inode_cachep = f2fs_kmem_cache_create("f2fs_inode_cache",
 			sizeof(struct f2fs_inode_info), NULL);
@@ -631,14 +675,17 @@
 	err = create_checkpoint_caches();
 	if (err)
 		goto fail;
-	return register_filesystem(&f2fs_fs_type);
+	err = register_filesystem(&f2fs_fs_type);
+	if (err)
+		goto fail;
+	f2fs_create_root_stats();
 fail:
 	return err;
 }
 
 static void __exit exit_f2fs_fs(void)
 {
-	destroy_root_stats();
+	f2fs_destroy_root_stats();
 	unregister_filesystem(&f2fs_fs_type);
 	destroy_checkpoint_caches();
 	destroy_gc_caches();
diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c
index 940136a..8038c04 100644
--- a/fs/f2fs/xattr.c
+++ b/fs/f2fs/xattr.c
@@ -318,6 +318,8 @@
 	if (name_len > 255 || value_len > MAX_VALUE_LEN)
 		return -ERANGE;
 
+	f2fs_balance_fs(sbi);
+
 	mutex_lock_op(sbi, NODE_NEW);
 	if (!fi->i_xattr_nid) {
 		/* Allocate new attribute block */
diff --git a/fs/fuse/Kconfig b/fs/fuse/Kconfig
index 0cf160a..1b2f6c2 100644
--- a/fs/fuse/Kconfig
+++ b/fs/fuse/Kconfig
@@ -4,12 +4,24 @@
 	  With FUSE it is possible to implement a fully functional filesystem
 	  in a userspace program.
 
-	  There's also companion library: libfuse.  This library along with
-	  utilities is available from the FUSE homepage:
+	  There's also a companion library: libfuse2.  This library is available
+	  from the FUSE homepage:
 	  <http://fuse.sourceforge.net/>
+	  although chances are your distribution already has that library
+	  installed if you've installed the "fuse" package itself.
 
 	  See <file:Documentation/filesystems/fuse.txt> for more information.
 	  See <file:Documentation/Changes> for needed library/utility version.
 
 	  If you want to develop a userspace FS, or if you want to use
 	  a filesystem based on FUSE, answer Y or M.
+
+config CUSE
+	tristate "Character device in Userspace support"
+	depends on FUSE_FS
+	help
+	  This FUSE extension allows character devices to be
+	  implemented in userspace.
+
+	  If you want to develop or use a userspace character device
+	  based on CUSE, answer Y or M.
diff --git a/fs/fuse/cuse.c b/fs/fuse/cuse.c
index ee8d550..e397b67 100644
--- a/fs/fuse/cuse.c
+++ b/fs/fuse/cuse.c
@@ -45,7 +45,6 @@
 #include <linux/miscdevice.h>
 #include <linux/mutex.h>
 #include <linux/slab.h>
-#include <linux/spinlock.h>
 #include <linux/stat.h>
 #include <linux/module.h>
 
@@ -63,7 +62,7 @@
 	bool			unrestricted_ioctl;
 };
 
-static DEFINE_SPINLOCK(cuse_lock);		/* protects cuse_conntbl */
+static DEFINE_MUTEX(cuse_lock);		/* protects registration */
 static struct list_head cuse_conntbl[CUSE_CONNTBL_LEN];
 static struct class *cuse_class;
 
@@ -114,14 +113,14 @@
 	int rc;
 
 	/* look up and get the connection */
-	spin_lock(&cuse_lock);
+	mutex_lock(&cuse_lock);
 	list_for_each_entry(pos, cuse_conntbl_head(devt), list)
 		if (pos->dev->devt == devt) {
 			fuse_conn_get(&pos->fc);
 			cc = pos;
 			break;
 		}
-	spin_unlock(&cuse_lock);
+	mutex_unlock(&cuse_lock);
 
 	/* dead? */
 	if (!cc)
@@ -267,7 +266,7 @@
 static int cuse_parse_devinfo(char *p, size_t len, struct cuse_devinfo *devinfo)
 {
 	char *end = p + len;
-	char *key, *val;
+	char *uninitialized_var(key), *uninitialized_var(val);
 	int rc;
 
 	while (true) {
@@ -305,14 +304,14 @@
  */
 static void cuse_process_init_reply(struct fuse_conn *fc, struct fuse_req *req)
 {
-	struct cuse_conn *cc = fc_to_cc(fc);
+	struct cuse_conn *cc = fc_to_cc(fc), *pos;
 	struct cuse_init_out *arg = req->out.args[0].value;
 	struct page *page = req->pages[0];
 	struct cuse_devinfo devinfo = { };
 	struct device *dev;
 	struct cdev *cdev;
 	dev_t devt;
-	int rc;
+	int rc, i;
 
 	if (req->out.h.error ||
 	    arg->major != FUSE_KERNEL_VERSION || arg->minor < 11) {
@@ -356,15 +355,24 @@
 	dev_set_drvdata(dev, cc);
 	dev_set_name(dev, "%s", devinfo.name);
 
+	mutex_lock(&cuse_lock);
+
+	/* make sure the device-name is unique */
+	for (i = 0; i < CUSE_CONNTBL_LEN; ++i) {
+		list_for_each_entry(pos, &cuse_conntbl[i], list)
+			if (!strcmp(dev_name(pos->dev), dev_name(dev)))
+				goto err_unlock;
+	}
+
 	rc = device_add(dev);
 	if (rc)
-		goto err_device;
+		goto err_unlock;
 
 	/* register cdev */
 	rc = -ENOMEM;
 	cdev = cdev_alloc();
 	if (!cdev)
-		goto err_device;
+		goto err_unlock;
 
 	cdev->owner = THIS_MODULE;
 	cdev->ops = &cuse_frontend_fops;
@@ -377,9 +385,8 @@
 	cc->cdev = cdev;
 
 	/* make the device available */
-	spin_lock(&cuse_lock);
 	list_add(&cc->list, cuse_conntbl_head(devt));
-	spin_unlock(&cuse_lock);
+	mutex_unlock(&cuse_lock);
 
 	/* announce device availability */
 	dev_set_uevent_suppress(dev, 0);
@@ -391,7 +398,8 @@
 
 err_cdev:
 	cdev_del(cdev);
-err_device:
+err_unlock:
+	mutex_unlock(&cuse_lock);
 	put_device(dev);
 err_region:
 	unregister_chrdev_region(devt, 1);
@@ -520,9 +528,9 @@
 	int rc;
 
 	/* remove from the conntbl, no more access from this point on */
-	spin_lock(&cuse_lock);
+	mutex_lock(&cuse_lock);
 	list_del_init(&cc->list);
-	spin_unlock(&cuse_lock);
+	mutex_unlock(&cuse_lock);
 
 	/* remove device */
 	if (cc->dev)
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index c163353..e83351a 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -692,8 +692,6 @@
 	struct page *oldpage = *pagep;
 	struct page *newpage;
 	struct pipe_buffer *buf = cs->pipebufs;
-	struct address_space *mapping;
-	pgoff_t index;
 
 	unlock_request(cs->fc, cs->req);
 	fuse_copy_finish(cs);
@@ -724,9 +722,6 @@
 	if (fuse_check_page(newpage) != 0)
 		goto out_fallback_unlock;
 
-	mapping = oldpage->mapping;
-	index = oldpage->index;
-
 	/*
 	 * This is a new and locked page, it shouldn't be mapped or
 	 * have any special flags on it
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index e21d4d8..f3ab824 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -2177,8 +2177,8 @@
 	return ret;
 }
 
-long fuse_file_fallocate(struct file *file, int mode, loff_t offset,
-			    loff_t length)
+static long fuse_file_fallocate(struct file *file, int mode, loff_t offset,
+				loff_t length)
 {
 	struct fuse_file *ff = file->private_data;
 	struct fuse_conn *fc = ff->fc;
@@ -2213,7 +2213,6 @@
 
 	return err;
 }
-EXPORT_SYMBOL_GPL(fuse_file_fallocate);
 
 static const struct file_operations fuse_file_operations = {
 	.llseek		= fuse_file_llseek,
diff --git a/fs/gfs2/lock_dlm.c b/fs/gfs2/lock_dlm.c
index b906ed1..9802de0 100644
--- a/fs/gfs2/lock_dlm.c
+++ b/fs/gfs2/lock_dlm.c
@@ -281,6 +281,7 @@
 {
 	struct gfs2_sbd *sdp = gl->gl_sbd;
 	struct lm_lockstruct *ls = &sdp->sd_lockstruct;
+	int lvb_needs_unlock = 0;
 	int error;
 
 	if (gl->gl_lksb.sb_lkid == 0) {
@@ -294,8 +295,12 @@
 	gfs2_update_request_times(gl);
 
 	/* don't want to skip dlm_unlock writing the lvb when lock is ex */
+
+	if (gl->gl_lksb.sb_lvbptr && (gl->gl_state == LM_ST_EXCLUSIVE))
+		lvb_needs_unlock = 1;
+
 	if (test_bit(SDF_SKIP_DLM_UNLOCK, &sdp->sd_flags) &&
-	    gl->gl_lksb.sb_lvbptr && (gl->gl_state != LM_ST_EXCLUSIVE)) {
+	    !lvb_needs_unlock) {
 		gfs2_glock_free(gl);
 		return;
 	}
diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c
index dd057bc..fc8dc20 100644
--- a/fs/nfs/namespace.c
+++ b/fs/nfs/namespace.c
@@ -177,11 +177,31 @@
 	return mnt;
 }
 
+static int
+nfs_namespace_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
+{
+	if (NFS_FH(dentry->d_inode)->size != 0)
+		return nfs_getattr(mnt, dentry, stat);
+	generic_fillattr(dentry->d_inode, stat);
+	return 0;
+}
+
+static int
+nfs_namespace_setattr(struct dentry *dentry, struct iattr *attr)
+{
+	if (NFS_FH(dentry->d_inode)->size != 0)
+		return nfs_setattr(dentry, attr);
+	return -EACCES;
+}
+
 const struct inode_operations nfs_mountpoint_inode_operations = {
 	.getattr	= nfs_getattr,
+	.setattr	= nfs_setattr,
 };
 
 const struct inode_operations nfs_referral_inode_operations = {
+	.getattr	= nfs_namespace_getattr,
+	.setattr	= nfs_namespace_setattr,
 };
 
 static void nfs_expire_automounts(struct work_struct *work)
diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
index acc3472..2e9779b 100644
--- a/fs/nfs/nfs4client.c
+++ b/fs/nfs/nfs4client.c
@@ -236,11 +236,10 @@
 	error = nfs4_discover_server_trunking(clp, &old);
 	if (error < 0)
 		goto error;
+	nfs_put_client(clp);
 	if (clp != old) {
 		clp->cl_preserve_clid = true;
-		nfs_put_client(clp);
 		clp = old;
-		atomic_inc(&clp->cl_count);
 	}
 
 	return clp;
@@ -306,7 +305,7 @@
 		.clientid	= new->cl_clientid,
 		.confirm	= new->cl_confirm,
 	};
-	int status;
+	int status = -NFS4ERR_STALE_CLIENTID;
 
 	spin_lock(&nn->nfs_client_lock);
 	list_for_each_entry_safe(pos, n, &nn->nfs_client_list, cl_share_link) {
@@ -332,40 +331,33 @@
 
 		if (prev)
 			nfs_put_client(prev);
+		prev = pos;
 
 		status = nfs4_proc_setclientid_confirm(pos, &clid, cred);
-		if (status == 0) {
+		switch (status) {
+		case -NFS4ERR_STALE_CLIENTID:
+			break;
+		case 0:
 			nfs4_swap_callback_idents(pos, new);
 
-			nfs_put_client(pos);
+			prev = NULL;
 			*result = pos;
 			dprintk("NFS: <-- %s using nfs_client = %p ({%d})\n",
 				__func__, pos, atomic_read(&pos->cl_count));
-			return 0;
-		}
-		if (status != -NFS4ERR_STALE_CLIENTID) {
-			nfs_put_client(pos);
-			dprintk("NFS: <-- %s status = %d, no result\n",
-				__func__, status);
-			return status;
+		default:
+			goto out;
 		}
 
 		spin_lock(&nn->nfs_client_lock);
-		prev = pos;
 	}
+	spin_unlock(&nn->nfs_client_lock);
 
-	/*
-	 * No matching nfs_client found.  This should be impossible,
-	 * because the new nfs_client has already been added to
-	 * nfs_client_list by nfs_get_client().
-	 *
-	 * Don't BUG(), since the caller is holding a mutex.
-	 */
+	/* No match found. The server lost our clientid */
+out:
 	if (prev)
 		nfs_put_client(prev);
-	spin_unlock(&nn->nfs_client_lock);
-	pr_err("NFS: %s Error: no matching nfs_client found\n", __func__);
-	return -NFS4ERR_STALE_CLIENTID;
+	dprintk("NFS: <-- %s status = %d\n", __func__, status);
+	return status;
 }
 
 #ifdef CONFIG_NFS_V4_1
@@ -432,7 +424,7 @@
 {
 	struct nfs_net *nn = net_generic(new->cl_net, nfs_net_id);
 	struct nfs_client *pos, *n, *prev = NULL;
-	int error;
+	int status = -NFS4ERR_STALE_CLIENTID;
 
 	spin_lock(&nn->nfs_client_lock);
 	list_for_each_entry_safe(pos, n, &nn->nfs_client_list, cl_share_link) {
@@ -448,14 +440,17 @@
 				nfs_put_client(prev);
 			prev = pos;
 
-			error = nfs_wait_client_init_complete(pos);
-			if (error < 0) {
+			nfs4_schedule_lease_recovery(pos);
+			status = nfs_wait_client_init_complete(pos);
+			if (status < 0) {
 				nfs_put_client(pos);
 				spin_lock(&nn->nfs_client_lock);
 				continue;
 			}
-
+			status = pos->cl_cons_state;
 			spin_lock(&nn->nfs_client_lock);
+			if (status < 0)
+				continue;
 		}
 
 		if (pos->rpc_ops != new->rpc_ops)
@@ -473,6 +468,7 @@
 		if (!nfs4_match_serverowners(pos, new))
 			continue;
 
+		atomic_inc(&pos->cl_count);
 		spin_unlock(&nn->nfs_client_lock);
 		dprintk("NFS: <-- %s using nfs_client = %p ({%d})\n",
 			__func__, pos, atomic_read(&pos->cl_count));
@@ -481,16 +477,10 @@
 		return 0;
 	}
 
-	/*
-	 * No matching nfs_client found.  This should be impossible,
-	 * because the new nfs_client has already been added to
-	 * nfs_client_list by nfs_get_client().
-	 *
-	 * Don't BUG(), since the caller is holding a mutex.
-	 */
+	/* No matching nfs_client found. */
 	spin_unlock(&nn->nfs_client_lock);
-	pr_err("NFS: %s Error: no matching nfs_client found\n", __func__);
-	return -NFS4ERR_STALE_CLIENTID;
+	dprintk("NFS: <-- %s status = %d\n", __func__, status);
+	return status;
 }
 #endif	/* CONFIG_NFS_V4_1 */
 
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 9448c57..e61f68d 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -136,16 +136,11 @@
 	clp->cl_confirm = clid.confirm;
 
 	status = nfs40_walk_client_list(clp, result, cred);
-	switch (status) {
-	case -NFS4ERR_STALE_CLIENTID:
-		set_bit(NFS4CLNT_LEASE_CONFIRM, &clp->cl_state);
-	case 0:
+	if (status == 0) {
 		/* Sustain the lease, even if it's empty.  If the clientid4
 		 * goes stale it's of no use for trunking discovery. */
 		nfs4_schedule_state_renewal(*result);
-		break;
 	}
-
 out:
 	return status;
 }
@@ -1863,6 +1858,7 @@
 	case -ETIMEDOUT:
 	case -EAGAIN:
 		ssleep(1);
+	case -NFS4ERR_STALE_CLIENTID:
 		dprintk("NFS: %s after status %d, retrying\n",
 			__func__, status);
 		goto again;
@@ -2022,8 +2018,18 @@
 	nfs4_begin_drain_session(clp);
 	cred = nfs4_get_exchange_id_cred(clp);
 	status = nfs4_proc_destroy_session(clp->cl_session, cred);
-	if (status && status != -NFS4ERR_BADSESSION &&
-	    status != -NFS4ERR_DEADSESSION) {
+	switch (status) {
+	case 0:
+	case -NFS4ERR_BADSESSION:
+	case -NFS4ERR_DEADSESSION:
+		break;
+	case -NFS4ERR_BACK_CHAN_BUSY:
+	case -NFS4ERR_DELAY:
+		set_bit(NFS4CLNT_SESSION_RESET, &clp->cl_state);
+		status = 0;
+		ssleep(1);
+		goto out;
+	default:
 		status = nfs4_recovery_handle_error(clp, status);
 		goto out;
 	}
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 2e7e8c8..b056b16 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -2589,27 +2589,23 @@
 	struct nfs_server *server;
 	struct dentry *mntroot = ERR_PTR(-ENOMEM);
 	struct nfs_subversion *nfs_mod = NFS_SB(data->sb)->nfs_client->cl_nfs_mod;
-	int error;
 
-	dprintk("--> nfs_xdev_mount_common()\n");
+	dprintk("--> nfs_xdev_mount()\n");
 
 	mount_info.mntfh = mount_info.cloned->fh;
 
 	/* create a new volume representation */
 	server = nfs_mod->rpc_ops->clone_server(NFS_SB(data->sb), data->fh, data->fattr, data->authflavor);
-	if (IS_ERR(server)) {
-		error = PTR_ERR(server);
-		goto out_err;
-	}
 
-	mntroot = nfs_fs_mount_common(server, flags, dev_name, &mount_info, nfs_mod);
-	dprintk("<-- nfs_xdev_mount_common() = 0\n");
-out:
+	if (IS_ERR(server))
+		mntroot = ERR_CAST(server);
+	else
+		mntroot = nfs_fs_mount_common(server, flags,
+				dev_name, &mount_info, nfs_mod);
+
+	dprintk("<-- nfs_xdev_mount() = %ld\n",
+			IS_ERR(mntroot) ? PTR_ERR(mntroot) : 0L);
 	return mntroot;
-
-out_err:
-	dprintk("<-- nfs_xdev_mount_common() = %d [error]\n", error);
-	goto out;
 }
 
 #if IS_ENABLED(CONFIG_NFS_V4)
diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index 4111a40..5f707e5 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -86,11 +86,11 @@
 	}
 
 	if (ioend->io_iocb) {
+		inode_dio_done(ioend->io_inode);
 		if (ioend->io_isasync) {
 			aio_complete(ioend->io_iocb, ioend->io_error ?
 					ioend->io_error : ioend->io_result, 0);
 		}
-		inode_dio_done(ioend->io_inode);
 	}
 
 	mempool_free(ioend, xfs_ioend_pool);
diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c
index 0e92d12..cdb2d33 100644
--- a/fs/xfs/xfs_bmap.c
+++ b/fs/xfs/xfs_bmap.c
@@ -4680,9 +4680,6 @@
 			return error;
 	}
 
-	if (bma->flags & XFS_BMAPI_STACK_SWITCH)
-		bma->stack_switch = 1;
-
 	error = xfs_bmap_alloc(bma);
 	if (error)
 		return error;
@@ -4956,6 +4953,9 @@
 	bma.flist = flist;
 	bma.firstblock = firstblock;
 
+	if (flags & XFS_BMAPI_STACK_SWITCH)
+		bma.stack_switch = 1;
+
 	while (bno < end && n < *nmap) {
 		inhole = eof || bma.got.br_startoff > bno;
 		wasdelay = !inhole && isnullstartblock(bma.got.br_startblock);
diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index 56d1614..fbbb9eb 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -487,6 +487,7 @@
 	struct rb_node		*parent;
 	xfs_buf_t		*bp;
 	xfs_daddr_t		blkno = map[0].bm_bn;
+	xfs_daddr_t		eofs;
 	int			numblks = 0;
 	int			i;
 
@@ -498,6 +499,23 @@
 	ASSERT(!(numbytes < (1 << btp->bt_sshift)));
 	ASSERT(!(BBTOB(blkno) & (xfs_off_t)btp->bt_smask));
 
+	/*
+	 * Corrupted block numbers can get through to here, unfortunately, so we
+	 * have to check that the buffer falls within the filesystem bounds.
+	 */
+	eofs = XFS_FSB_TO_BB(btp->bt_mount, btp->bt_mount->m_sb.sb_dblocks);
+	if (blkno >= eofs) {
+		/*
+		 * XXX (dgc): we should really be returning EFSCORRUPTED here,
+		 * but none of the higher level infrastructure supports
+		 * returning a specific error on buffer lookup failures.
+		 */
+		xfs_alert(btp->bt_mount,
+			  "%s: Block out of range: block 0x%llx, EOFS 0x%llx ",
+			  __func__, blkno, eofs);
+		return NULL;
+	}
+
 	/* get tree root */
 	pag = xfs_perag_get(btp->bt_mount,
 				xfs_daddr_to_agno(btp->bt_mount, blkno));
@@ -1487,6 +1505,8 @@
 	while (!list_empty(&btp->bt_lru)) {
 		bp = list_first_entry(&btp->bt_lru, struct xfs_buf, b_lru);
 		if (atomic_read(&bp->b_hold) > 1) {
+			trace_xfs_buf_wait_buftarg(bp, _RET_IP_);
+			list_move_tail(&bp->b_lru, &btp->bt_lru);
 			spin_unlock(&btp->bt_lru_lock);
 			delay(100);
 			goto restart;
diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c
index 77b0975..3f9949f 100644
--- a/fs/xfs/xfs_buf_item.c
+++ b/fs/xfs/xfs_buf_item.c
@@ -652,7 +652,10 @@
 
 	/*
 	 * If the buf item isn't tracking any data, free it, otherwise drop the
-	 * reference we hold to it.
+	 * reference we hold to it. If we are aborting the transaction, this may
+	 * be the only reference to the buf item, so we free it anyway
+	 * regardless of whether it is dirty or not. A dirty abort implies a
+	 * shutdown, anyway.
 	 */
 	clean = 1;
 	for (i = 0; i < bip->bli_format_count; i++) {
@@ -664,7 +667,12 @@
 	}
 	if (clean)
 		xfs_buf_item_relse(bp);
-	else
+	else if (aborted) {
+		if (atomic_dec_and_test(&bip->bli_refcount)) {
+			ASSERT(XFS_FORCED_SHUTDOWN(lip->li_mountp));
+			xfs_buf_item_relse(bp);
+		}
+	} else
 		atomic_dec(&bip->bli_refcount);
 
 	if (!hold)
diff --git a/fs/xfs/xfs_dfrag.c b/fs/xfs/xfs_dfrag.c
index d0e9c74..a8bd26b 100644
--- a/fs/xfs/xfs_dfrag.c
+++ b/fs/xfs/xfs_dfrag.c
@@ -246,10 +246,10 @@
 		goto out_unlock;
 	}
 
-	error = -filemap_write_and_wait(VFS_I(ip)->i_mapping);
+	error = -filemap_write_and_wait(VFS_I(tip)->i_mapping);
 	if (error)
 		goto out_unlock;
-	truncate_pagecache_range(VFS_I(ip), 0, -1);
+	truncate_pagecache_range(VFS_I(tip), 0, -1);
 
 	/* Verify O_DIRECT for ftmp */
 	if (VN_CACHED(VFS_I(tip)) != 0) {
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index add06b4..364818e 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -351,6 +351,15 @@
 		}
 		if (shift)
 			alloc_blocks >>= shift;
+
+		/*
+		 * If we are still trying to allocate more space than is
+		 * available, squash the prealloc hard. This can happen if we
+		 * have a large file on a small filesystem and the above
+		 * lowspace thresholds are smaller than MAXEXTLEN.
+		 */
+		while (alloc_blocks >= freesp)
+			alloc_blocks >>= 4;
 	}
 
 	if (alloc_blocks < mp->m_writeio_blocks)
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index da50846..7d6df7c 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -658,7 +658,7 @@
 		return;
 	}
 	/* quietly fail */
-	xfs_buf_ioerror(bp, EFSCORRUPTED);
+	xfs_buf_ioerror(bp, EWRONGFS);
 }
 
 static void
diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h
index 2e137d4..16a8129 100644
--- a/fs/xfs/xfs_trace.h
+++ b/fs/xfs/xfs_trace.h
@@ -341,6 +341,7 @@
 DEFINE_BUF_EVENT(xfs_buf_item_iodone);
 DEFINE_BUF_EVENT(xfs_buf_item_iodone_async);
 DEFINE_BUF_EVENT(xfs_buf_error_relse);
+DEFINE_BUF_EVENT(xfs_buf_wait_buftarg);
 DEFINE_BUF_EVENT(xfs_trans_read_buf_io);
 DEFINE_BUF_EVENT(xfs_trans_read_buf_shut);
 
diff --git a/include/asm-generic/dma-mapping-broken.h b/include/asm-generic/dma-mapping-broken.h
index ccf7b4f..6c32af9 100644
--- a/include/asm-generic/dma-mapping-broken.h
+++ b/include/asm-generic/dma-mapping-broken.h
@@ -16,6 +16,22 @@
 dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
 		    dma_addr_t dma_handle);
 
+static inline void *dma_alloc_attrs(struct device *dev, size_t size,
+				    dma_addr_t *dma_handle, gfp_t flag,
+				    struct dma_attrs *attrs)
+{
+	/* attrs is not supported and ignored */
+	return dma_alloc_coherent(dev, size, dma_handle, flag);
+}
+
+static inline void dma_free_attrs(struct device *dev, size_t size,
+				  void *cpu_addr, dma_addr_t dma_handle,
+				  struct dma_attrs *attrs)
+{
+	/* attrs is not supported and ignored */
+	dma_free_coherent(dev, size, cpu_addr, dma_handle);
+}
+
 #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
 #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
 
diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
index 701beab..5cf680a9 100644
--- a/include/asm-generic/pgtable.h
+++ b/include/asm-generic/pgtable.h
@@ -461,10 +461,8 @@
 	return offset_from_zero_pfn <= (zero_page_mask >> PAGE_SHIFT);
 }
 
-static inline unsigned long my_zero_pfn(unsigned long addr)
-{
-	return page_to_pfn(ZERO_PAGE(addr));
-}
+#define my_zero_pfn(addr)	page_to_pfn(ZERO_PAGE(addr))
+
 #else
 static inline int is_zero_pfn(unsigned long pfn)
 {
diff --git a/include/asm-generic/syscalls.h b/include/asm-generic/syscalls.h
index 58f466f..1db51b8 100644
--- a/include/asm-generic/syscalls.h
+++ b/include/asm-generic/syscalls.h
@@ -21,10 +21,12 @@
 			unsigned long fd, off_t pgoff);
 #endif
 
+#ifndef CONFIG_GENERIC_SIGALTSTACK
 #ifndef sys_sigaltstack
 asmlinkage long sys_sigaltstack(const stack_t __user *, stack_t __user *,
 			struct pt_regs *);
 #endif
+#endif
 
 #ifndef sys_rt_sigreturn
 asmlinkage long sys_rt_sigreturn(struct pt_regs *regs);
diff --git a/include/linux/ata.h b/include/linux/ata.h
index 408da95..8f7a3d6 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -297,10 +297,12 @@
 	ATA_LOG_SATA_NCQ	= 0x10,
 	ATA_LOG_SATA_ID_DEV_DATA  = 0x30,
 	ATA_LOG_SATA_SETTINGS	  = 0x08,
-	ATA_LOG_DEVSLP_MDAT	  = 0x30,
+	ATA_LOG_DEVSLP_OFFSET	  = 0x30,
+	ATA_LOG_DEVSLP_SIZE	  = 0x08,
+	ATA_LOG_DEVSLP_MDAT	  = 0x00,
 	ATA_LOG_DEVSLP_MDAT_MASK  = 0x1F,
-	ATA_LOG_DEVSLP_DETO	  = 0x31,
-	ATA_LOG_DEVSLP_VALID	  = 0x37,
+	ATA_LOG_DEVSLP_DETO	  = 0x01,
+	ATA_LOG_DEVSLP_VALID	  = 0x07,
 	ATA_LOG_DEVSLP_VALID_MASK = 0x80,
 
 	/* READ/WRITE LONG (obsolete) */
diff --git a/include/linux/efi.h b/include/linux/efi.h
index 8b84916..7a9498a 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -618,18 +618,30 @@
 #endif
 
 /*
- * We play games with efi_enabled so that the compiler will, if possible, remove
- * EFI-related code altogether.
+ * We play games with efi_enabled so that the compiler will, if
+ * possible, remove EFI-related code altogether.
  */
+#define EFI_BOOT		0	/* Were we booted from EFI? */
+#define EFI_SYSTEM_TABLES	1	/* Can we use EFI system tables? */
+#define EFI_CONFIG_TABLES	2	/* Can we use EFI config tables? */
+#define EFI_RUNTIME_SERVICES	3	/* Can we use runtime services? */
+#define EFI_MEMMAP		4	/* Can we use EFI memory map? */
+#define EFI_64BIT		5	/* Is the firmware 64-bit? */
+
 #ifdef CONFIG_EFI
 # ifdef CONFIG_X86
-   extern int efi_enabled;
-   extern bool efi_64bit;
+extern int efi_enabled(int facility);
 # else
-#  define efi_enabled 1
+static inline int efi_enabled(int facility)
+{
+	return 1;
+}
 # endif
 #else
-# define efi_enabled 0
+static inline int efi_enabled(int facility)
+{
+	return 0;
+}
 #endif
 
 /*
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 83ba0ab..649e5f8 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -652,8 +652,8 @@
 		u32		gscr[SATA_PMP_GSCR_DWORDS]; /* PMP GSCR block */
 	};
 
-	/* Identify Device Data Log (30h), SATA Settings (page 08h) */
-	u8			sata_settings[ATA_SECT_SIZE];
+	/* DEVSLP Timing Variables from Identify Device Data Log */
+	u8			devslp_timing[ATA_LOG_DEVSLP_SIZE];
 
 	/* error history */
 	int			spdn_cnt;
diff --git a/include/linux/mfd/abx500.h b/include/linux/mfd/abx500.h
index 2138bd3..e53dcfe 100644
--- a/include/linux/mfd/abx500.h
+++ b/include/linux/mfd/abx500.h
@@ -272,8 +272,6 @@
 	const struct abx500_fg_parameters *fg_params;
 };
 
-extern struct abx500_bm_data ab8500_bm_data;
-
 enum {
 	NTC_EXTERNAL = 0,
 	NTC_INTERNAL,
diff --git a/include/linux/mfd/abx500/ab8500-bm.h b/include/linux/mfd/abx500/ab8500-bm.h
index 44310c9..9bd037d 100644
--- a/include/linux/mfd/abx500/ab8500-bm.h
+++ b/include/linux/mfd/abx500/ab8500-bm.h
@@ -422,7 +422,10 @@
 struct ab8500_btemp;
 struct ab8500_gpadc;
 struct ab8500_fg;
+
 #ifdef CONFIG_AB8500_BM
+extern struct abx500_bm_data ab8500_bm_data;
+
 void ab8500_fg_reinit(void);
 void ab8500_charger_usb_state_changed(u8 bm_usb_state, u16 mA);
 struct ab8500_btemp *ab8500_btemp_get(void);
@@ -434,31 +437,7 @@
 int ab8500_fg_inst_curr_done(struct ab8500_fg *di);
 
 #else
-int ab8500_fg_inst_curr_done(struct ab8500_fg *di)
-{
-}
-static void ab8500_fg_reinit(void)
-{
-}
-static void ab8500_charger_usb_state_changed(u8 bm_usb_state, u16 mA)
-{
-}
-static struct ab8500_btemp *ab8500_btemp_get(void)
-{
-	return NULL;
-}
-static int ab8500_btemp_get_batctrl_temp(struct ab8500_btemp *btemp)
-{
-	return 0;
-}
-struct ab8500_fg *ab8500_fg_get(void)
-{
-	return NULL;
-}
-static int ab8500_fg_inst_curr_blocking(struct ab8500_fg *dev)
-{
-	return -ENODEV;
-}
+static struct abx500_bm_data ab8500_bm_data;
 
 static inline int ab8500_fg_inst_curr_start(struct ab8500_fg *di)
 {
diff --git a/include/linux/mfd/da9052/da9052.h b/include/linux/mfd/da9052/da9052.h
index 86dd93d..786d02e 100644
--- a/include/linux/mfd/da9052/da9052.h
+++ b/include/linux/mfd/da9052/da9052.h
@@ -99,6 +99,9 @@
 	u8 chip_id;
 
 	int chip_irq;
+
+	/* SOC I/O transfer related fixes for DA9052/53 */
+	int (*fix_io) (struct da9052 *da9052, unsigned char reg);
 };
 
 /* ADC API */
@@ -113,32 +116,87 @@
 	ret = regmap_read(da9052->regmap, reg, &val);
 	if (ret < 0)
 		return ret;
+
+	if (da9052->fix_io) {
+		ret = da9052->fix_io(da9052, reg);
+		if (ret < 0)
+			return ret;
+	}
+
 	return val;
 }
 
 static inline int da9052_reg_write(struct da9052 *da9052, unsigned char reg,
 				    unsigned char val)
 {
-	return regmap_write(da9052->regmap, reg, val);
+	int ret;
+
+	ret = regmap_write(da9052->regmap, reg, val);
+	if (ret < 0)
+		return ret;
+
+	if (da9052->fix_io) {
+		ret = da9052->fix_io(da9052, reg);
+		if (ret < 0)
+			return ret;
+	}
+
+	return ret;
 }
 
 static inline int da9052_group_read(struct da9052 *da9052, unsigned char reg,
 				     unsigned reg_cnt, unsigned char *val)
 {
-	return regmap_bulk_read(da9052->regmap, reg, val, reg_cnt);
+	int ret;
+
+	ret = regmap_bulk_read(da9052->regmap, reg, val, reg_cnt);
+	if (ret < 0)
+		return ret;
+
+	if (da9052->fix_io) {
+		ret = da9052->fix_io(da9052, reg);
+		if (ret < 0)
+			return ret;
+	}
+
+	return ret;
 }
 
 static inline int da9052_group_write(struct da9052 *da9052, unsigned char reg,
 				      unsigned reg_cnt, unsigned char *val)
 {
-	return regmap_raw_write(da9052->regmap, reg, val, reg_cnt);
+	int ret;
+
+	ret = regmap_raw_write(da9052->regmap, reg, val, reg_cnt);
+	if (ret < 0)
+		return ret;
+
+	if (da9052->fix_io) {
+		ret = da9052->fix_io(da9052, reg);
+		if (ret < 0)
+			return ret;
+	}
+
+	return ret;
 }
 
 static inline int da9052_reg_update(struct da9052 *da9052, unsigned char reg,
 				     unsigned char bit_mask,
 				     unsigned char reg_val)
 {
-	return regmap_update_bits(da9052->regmap, reg, bit_mask, reg_val);
+	int ret;
+
+	ret = regmap_update_bits(da9052->regmap, reg, bit_mask, reg_val);
+	if (ret < 0)
+		return ret;
+
+	if (da9052->fix_io) {
+		ret = da9052->fix_io(da9052, reg);
+		if (ret < 0)
+			return ret;
+	}
+
+	return ret;
 }
 
 int da9052_device_init(struct da9052 *da9052, u8 chip_id);
diff --git a/include/linux/mfd/da9052/reg.h b/include/linux/mfd/da9052/reg.h
index b97f730..c4dd3a8 100644
--- a/include/linux/mfd/da9052/reg.h
+++ b/include/linux/mfd/da9052/reg.h
@@ -34,6 +34,9 @@
 #define DA9052_STATUS_C_REG		3
 #define DA9052_STATUS_D_REG		4
 
+/* PARK REGISTER */
+#define DA9052_PARK_REGISTER		DA9052_STATUS_D_REG
+
 /* EVENT REGISTERS */
 #define DA9052_EVENT_A_REG		5
 #define DA9052_EVENT_B_REG		6
diff --git a/include/linux/mfd/rtsx_common.h b/include/linux/mfd/rtsx_common.h
index a8d393e..2b13970 100644
--- a/include/linux/mfd/rtsx_common.h
+++ b/include/linux/mfd/rtsx_common.h
@@ -38,6 +38,9 @@
 #define RTSX_SD_CARD			0
 #define RTSX_MS_CARD			1
 
+#define CLK_TO_DIV_N			0
+#define DIV_N_TO_CLK			1
+
 struct platform_device;
 
 struct rtsx_slot {
diff --git a/include/linux/mfd/rtsx_pci.h b/include/linux/mfd/rtsx_pci.h
index 060b721..4b117a3 100644
--- a/include/linux/mfd/rtsx_pci.h
+++ b/include/linux/mfd/rtsx_pci.h
@@ -158,10 +158,9 @@
 #define SG_TRANS_DATA		(0x02 << 4)
 #define SG_LINK_DESC		(0x03 << 4)
 
-/* SD bank voltage */
-#define SD_IO_3V3		0
-#define SD_IO_1V8		1
-
+/* Output voltage */
+#define OUTPUT_3V3		0
+#define OUTPUT_1V8		1
 
 /* Card Clock Enable Register */
 #define SD_CLK_EN			0x04
@@ -201,6 +200,20 @@
 #define CHANGE_CLK			0x01
 
 /* LDO_CTL */
+#define BPP_ASIC_1V7			0x00
+#define BPP_ASIC_1V8			0x01
+#define BPP_ASIC_1V9			0x02
+#define BPP_ASIC_2V0			0x03
+#define BPP_ASIC_2V7			0x04
+#define BPP_ASIC_2V8			0x05
+#define BPP_ASIC_3V2			0x06
+#define BPP_ASIC_3V3			0x07
+#define BPP_REG_TUNED18			0x07
+#define BPP_TUNED18_SHIFT_8402		5
+#define BPP_TUNED18_SHIFT_8411		4
+#define BPP_PAD_MASK			0x04
+#define BPP_PAD_3V3			0x04
+#define BPP_PAD_1V8			0x00
 #define BPP_LDO_POWB			0x03
 #define BPP_LDO_ON			0x00
 #define BPP_LDO_SUSPEND			0x02
@@ -688,7 +701,10 @@
 	int		(*disable_auto_blink)(struct rtsx_pcr *pcr);
 	int		(*card_power_on)(struct rtsx_pcr *pcr, int card);
 	int		(*card_power_off)(struct rtsx_pcr *pcr, int card);
+	int		(*switch_output_voltage)(struct rtsx_pcr *pcr,
+						u8 voltage);
 	unsigned int	(*cd_deglitch)(struct rtsx_pcr *pcr);
+	int		(*conv_clk_and_div_n)(int clk, int dir);
 };
 
 enum PDEV_STAT  {PDEV_STAT_IDLE, PDEV_STAT_RUN};
@@ -783,6 +799,7 @@
 		u8 ssc_depth, bool initial_mode, bool double_clk, bool vpclk);
 int rtsx_pci_card_power_on(struct rtsx_pcr *pcr, int card);
 int rtsx_pci_card_power_off(struct rtsx_pcr *pcr, int card);
+int rtsx_pci_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage);
 unsigned int rtsx_pci_card_exist(struct rtsx_pcr *pcr);
 void rtsx_pci_complete_unfinished_transfer(struct rtsx_pcr *pcr);
 
diff --git a/include/linux/module.h b/include/linux/module.h
index 7760c6d..1375ee3 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -199,11 +199,11 @@
 	struct module *source, *target;
 };
 
-enum module_state
-{
-	MODULE_STATE_LIVE,
-	MODULE_STATE_COMING,
-	MODULE_STATE_GOING,
+enum module_state {
+	MODULE_STATE_LIVE,	/* Normal state. */
+	MODULE_STATE_COMING,	/* Full formed, running module_init. */
+	MODULE_STATE_GOING,	/* Going away. */
+	MODULE_STATE_UNFORMED,	/* Still setting it up. */
 };
 
 /**
diff --git a/include/linux/of.h b/include/linux/of.h
index 5ebcc5c..1e0d0c1 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -160,7 +160,7 @@
 
 #define OF_BAD_ADDR	((u64)-1)
 
-static inline const char* of_node_full_name(struct device_node *np)
+static inline const char *of_node_full_name(const struct device_node *np)
 {
 	return np ? np->full_name : "<no-node>";
 }
diff --git a/arch/arm/mach-imx/iram.h b/include/linux/platform_data/imx-iram.h
similarity index 100%
rename from arch/arm/mach-imx/iram.h
rename to include/linux/platform_data/imx-iram.h
diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h
index 1693775..89573a3 100644
--- a/include/linux/ptrace.h
+++ b/include/linux/ptrace.h
@@ -45,7 +45,6 @@
 extern int ptrace_readdata(struct task_struct *tsk, unsigned long src, char __user *dst, int len);
 extern int ptrace_writedata(struct task_struct *tsk, char __user *src, unsigned long dst, int len);
 extern void ptrace_disable(struct task_struct *);
-extern int ptrace_check_attach(struct task_struct *task, bool ignore_state);
 extern int ptrace_request(struct task_struct *child, long request,
 			  unsigned long addr, unsigned long data);
 extern void ptrace_notify(int exit_code);
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 6fc8f45..d2112477 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -2714,7 +2714,16 @@
 extern void recalc_sigpending_and_wake(struct task_struct *t);
 extern void recalc_sigpending(void);
 
-extern void signal_wake_up(struct task_struct *t, int resume_stopped);
+extern void signal_wake_up_state(struct task_struct *t, unsigned int state);
+
+static inline void signal_wake_up(struct task_struct *t, bool resume)
+{
+	signal_wake_up_state(t, resume ? TASK_WAKEKILL : 0);
+}
+static inline void ptrace_signal_wake_up(struct task_struct *t, bool resume)
+{
+	signal_wake_up_state(t, resume ? __TASK_TRACED : 0);
+}
 
 /*
  * Wrappers for p->thread_info->cpu access. No-op on UP.
diff --git a/include/linux/security.h b/include/linux/security.h
index 0f6afc6..eee7478 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -989,17 +989,29 @@
  *	tells the LSM to decrement the number of secmark labeling rules loaded
  * @req_classify_flow:
  *	Sets the flow's sid to the openreq sid.
+ * @tun_dev_alloc_security:
+ *	This hook allows a module to allocate a security structure for a TUN
+ *	device.
+ *	@security pointer to a security structure pointer.
+ *	Returns a zero on success, negative values on failure.
+ * @tun_dev_free_security:
+ *	This hook allows a module to free the security structure for a TUN
+ *	device.
+ *	@security pointer to the TUN device's security structure
  * @tun_dev_create:
  *	Check permissions prior to creating a new TUN device.
- * @tun_dev_post_create:
- *	This hook allows a module to update or allocate a per-socket security
- *	structure.
- *	@sk contains the newly created sock structure.
+ * @tun_dev_attach_queue:
+ *	Check permissions prior to attaching to a TUN device queue.
+ *	@security pointer to the TUN device's security structure.
  * @tun_dev_attach:
- *	Check permissions prior to attaching to a persistent TUN device.  This
- *	hook can also be used by the module to update any security state
+ *	This hook can be used by the module to update any security state
  *	associated with the TUN device's sock structure.
  *	@sk contains the existing sock structure.
+ *	@security pointer to the TUN device's security structure.
+ * @tun_dev_open:
+ *	This hook can be used by the module to update any security state
+ *	associated with the TUN device's security structure.
+ *	@security pointer to the TUN devices's security structure.
  *
  * Security hooks for XFRM operations.
  *
@@ -1620,9 +1632,12 @@
 	void (*secmark_refcount_inc) (void);
 	void (*secmark_refcount_dec) (void);
 	void (*req_classify_flow) (const struct request_sock *req, struct flowi *fl);
-	int (*tun_dev_create)(void);
-	void (*tun_dev_post_create)(struct sock *sk);
-	int (*tun_dev_attach)(struct sock *sk);
+	int (*tun_dev_alloc_security) (void **security);
+	void (*tun_dev_free_security) (void *security);
+	int (*tun_dev_create) (void);
+	int (*tun_dev_attach_queue) (void *security);
+	int (*tun_dev_attach) (struct sock *sk, void *security);
+	int (*tun_dev_open) (void *security);
 #endif	/* CONFIG_SECURITY_NETWORK */
 
 #ifdef CONFIG_SECURITY_NETWORK_XFRM
@@ -2566,9 +2581,12 @@
 int security_secmark_relabel_packet(u32 secid);
 void security_secmark_refcount_inc(void);
 void security_secmark_refcount_dec(void);
+int security_tun_dev_alloc_security(void **security);
+void security_tun_dev_free_security(void *security);
 int security_tun_dev_create(void);
-void security_tun_dev_post_create(struct sock *sk);
-int security_tun_dev_attach(struct sock *sk);
+int security_tun_dev_attach_queue(void *security);
+int security_tun_dev_attach(struct sock *sk, void *security);
+int security_tun_dev_open(void *security);
 
 #else	/* CONFIG_SECURITY_NETWORK */
 static inline int security_unix_stream_connect(struct sock *sock,
@@ -2733,16 +2751,31 @@
 {
 }
 
+static inline int security_tun_dev_alloc_security(void **security)
+{
+	return 0;
+}
+
+static inline void security_tun_dev_free_security(void *security)
+{
+}
+
 static inline int security_tun_dev_create(void)
 {
 	return 0;
 }
 
-static inline void security_tun_dev_post_create(struct sock *sk)
+static inline int security_tun_dev_attach_queue(void *security)
 {
+	return 0;
 }
 
-static inline int security_tun_dev_attach(struct sock *sk)
+static inline int security_tun_dev_attach(struct sock *sk, void *security)
+{
+	return 0;
+}
+
+static inline int security_tun_dev_open(void *security)
 {
 	return 0;
 }
diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h
index bd45eb7..5de7a22 100644
--- a/include/linux/usb/usbnet.h
+++ b/include/linux/usb/usbnet.h
@@ -100,6 +100,7 @@
 #define FLAG_LINK_INTR	0x0800		/* updates link (carrier) status */
 
 #define FLAG_POINTTOPOINT 0x1000	/* possibly use "usb%d" names */
+#define FLAG_NOARP	0x2000		/* device can't do ARP */
 
 /*
  * Indicates to usbnet, that USB driver accumulates multiple IP packets.
diff --git a/include/net/ip.h b/include/net/ip.h
index 0707fb9..a68f838 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -143,6 +143,8 @@
 extern int		ip4_datagram_connect(struct sock *sk, 
 					     struct sockaddr *uaddr, int addr_len);
 
+extern void ip4_datagram_release_cb(struct sock *sk);
+
 struct ip_reply_arg {
 	struct kvec iov[1];   
 	int	    flags;
diff --git a/include/net/netfilter/nf_conntrack_core.h b/include/net/netfilter/nf_conntrack_core.h
index d8f5b9f..e98aeb3 100644
--- a/include/net/netfilter/nf_conntrack_core.h
+++ b/include/net/netfilter/nf_conntrack_core.h
@@ -31,6 +31,8 @@
 extern int nf_conntrack_proto_init(struct net *net);
 extern void nf_conntrack_proto_fini(struct net *net);
 
+extern void nf_conntrack_cleanup_end(void);
+
 extern bool
 nf_ct_get_tuple(const struct sk_buff *skb,
 		unsigned int nhoff,
diff --git a/include/uapi/linux/serial_core.h b/include/uapi/linux/serial_core.h
index 78f99d9..2c6c85f 100644
--- a/include/uapi/linux/serial_core.h
+++ b/include/uapi/linux/serial_core.h
@@ -50,7 +50,8 @@
 #define PORT_LPC3220	22	/* NXP LPC32xx SoC "Standard" UART */
 #define PORT_8250_CIR	23	/* CIR infrared port, has its own driver */
 #define PORT_XR17V35X	24	/* Exar XR17V35x UARTs */
-#define PORT_MAX_8250	24	/* max port ID */
+#define PORT_BRCM_TRUMANAGE	24
+#define PORT_MAX_8250	25	/* max port ID */
 
 /*
  * ARM specific type numbers.  These are not currently guaranteed
diff --git a/init/do_mounts_initrd.c b/init/do_mounts_initrd.c
index 5e4ded5..f9acf71 100644
--- a/init/do_mounts_initrd.c
+++ b/init/do_mounts_initrd.c
@@ -36,6 +36,10 @@
 static int init_linuxrc(struct subprocess_info *info, struct cred *new)
 {
 	sys_unshare(CLONE_FS | CLONE_FILES);
+	/* stdin/stdout/stderr for /linuxrc */
+	sys_open("/dev/console", O_RDWR, 0);
+	sys_dup(0);
+	sys_dup(0);
 	/* move initrd over / and chdir/chroot in initrd root */
 	sys_chdir("/root");
 	sys_mount(".", "/", NULL, MS_MOVE, NULL);
diff --git a/init/main.c b/init/main.c
index 85d69df..cee4b5c 100644
--- a/init/main.c
+++ b/init/main.c
@@ -604,7 +604,7 @@
 	pidmap_init();
 	anon_vma_init();
 #ifdef CONFIG_X86
-	if (efi_enabled)
+	if (efi_enabled(EFI_RUNTIME_SERVICES))
 		efi_enter_virtual_mode();
 #endif
 	thread_info_cache_init();
@@ -632,7 +632,7 @@
 	acpi_early_init(); /* before LAPIC and SMP init */
 	sfi_init_late();
 
-	if (efi_enabled) {
+	if (efi_enabled(EFI_RUNTIME_SERVICES)) {
 		efi_late_init();
 		efi_free_boot_services();
 	}
@@ -802,7 +802,7 @@
 		(const char __user *const __user *)envp_init);
 }
 
-static void __init kernel_init_freeable(void);
+static noinline void __init kernel_init_freeable(void);
 
 static int __ref kernel_init(void *unused)
 {
@@ -845,7 +845,7 @@
 	      "See Linux Documentation/init.txt for guidance.");
 }
 
-static void __init kernel_init_freeable(void)
+static noinline void __init kernel_init_freeable(void)
 {
 	/*
 	 * Wait until kthreadd is all set-up.
diff --git a/kernel/async.c b/kernel/async.c
index a1d585c..6f34904 100644
--- a/kernel/async.c
+++ b/kernel/async.c
@@ -86,18 +86,27 @@
  */
 static async_cookie_t  __lowest_in_progress(struct async_domain *running)
 {
+	async_cookie_t first_running = next_cookie;	/* infinity value */
+	async_cookie_t first_pending = next_cookie;	/* ditto */
 	struct async_entry *entry;
 
+	/*
+	 * Both running and pending lists are sorted but not disjoint.
+	 * Take the first cookies from both and return the min.
+	 */
 	if (!list_empty(&running->domain)) {
 		entry = list_first_entry(&running->domain, typeof(*entry), list);
-		return entry->cookie;
+		first_running = entry->cookie;
 	}
 
-	list_for_each_entry(entry, &async_pending, list)
-		if (entry->running == running)
-			return entry->cookie;
+	list_for_each_entry(entry, &async_pending, list) {
+		if (entry->running == running) {
+			first_pending = entry->cookie;
+			break;
+		}
+	}
 
-	return next_cookie;	/* "infinity" value */
+	return min(first_running, first_pending);
 }
 
 static async_cookie_t  lowest_in_progress(struct async_domain *running)
@@ -118,13 +127,17 @@
 {
 	struct async_entry *entry =
 		container_of(work, struct async_entry, work);
+	struct async_entry *pos;
 	unsigned long flags;
 	ktime_t uninitialized_var(calltime), delta, rettime;
 	struct async_domain *running = entry->running;
 
-	/* 1) move self to the running queue */
+	/* 1) move self to the running queue, make sure it stays sorted */
 	spin_lock_irqsave(&async_lock, flags);
-	list_move_tail(&entry->list, &running->domain);
+	list_for_each_entry_reverse(pos, &running->domain, list)
+		if (entry->cookie < pos->cookie)
+			break;
+	list_move_tail(&entry->list, &pos->list);
 	spin_unlock_irqrestore(&async_lock, flags);
 
 	/* 2) run (and print duration) */
diff --git a/kernel/compat.c b/kernel/compat.c
index f6150e9..36700e9 100644
--- a/kernel/compat.c
+++ b/kernel/compat.c
@@ -535,9 +535,11 @@
 	return 0;
 }
 
-asmlinkage long
-compat_sys_wait4(compat_pid_t pid, compat_uint_t __user *stat_addr, int options,
-	struct compat_rusage __user *ru)
+COMPAT_SYSCALL_DEFINE4(wait4,
+	compat_pid_t, pid,
+	compat_uint_t __user *, stat_addr,
+	int, options,
+	struct compat_rusage __user *, ru)
 {
 	if (!ru) {
 		return sys_wait4(pid, stat_addr, options, NULL);
@@ -564,9 +566,10 @@
 	}
 }
 
-asmlinkage long compat_sys_waitid(int which, compat_pid_t pid,
-		struct compat_siginfo __user *uinfo, int options,
-		struct compat_rusage __user *uru)
+COMPAT_SYSCALL_DEFINE5(waitid,
+		int, which, compat_pid_t, pid,
+		struct compat_siginfo __user *, uinfo, int, options,
+		struct compat_rusage __user *, uru)
 {
 	siginfo_t info;
 	struct rusage ru;
@@ -584,7 +587,11 @@
 		return ret;
 
 	if (uru) {
-		ret = put_compat_rusage(&ru, uru);
+		/* sys_waitid() overwrites everything in ru */
+		if (COMPAT_USE_64BIT_TIME)
+			ret = copy_to_user(uru, &ru, sizeof(ru));
+		else
+			ret = put_compat_rusage(&ru, uru);
 		if (ret)
 			return ret;
 	}
@@ -994,7 +1001,7 @@
 	sigset_from_compat(&s, &s32);
 
 	if (uts) {
-		if (get_compat_timespec(&t, uts))
+		if (compat_get_timespec(&t, uts))
 			return -EFAULT;
 	}
 
diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
index 4d5f8d5..8875254 100644
--- a/kernel/debug/kdb/kdb_main.c
+++ b/kernel/debug/kdb/kdb_main.c
@@ -1970,6 +1970,8 @@
 
 	kdb_printf("Module                  Size  modstruct     Used by\n");
 	list_for_each_entry(mod, kdb_modules, list) {
+		if (mod->state == MODULE_STATE_UNFORMED)
+			continue;
 
 		kdb_printf("%-20s%8u  0x%p ", mod->name,
 			   mod->core_size, (void *)mod);
diff --git a/kernel/fork.c b/kernel/fork.c
index 65ca6d2..c535f33 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1668,8 +1668,10 @@
 		 int, tls_val)
 #endif
 {
-	return do_fork(clone_flags, newsp, 0,
-		parent_tidptr, child_tidptr);
+	long ret = do_fork(clone_flags, newsp, 0, parent_tidptr, child_tidptr);
+	asmlinkage_protect(5, ret, clone_flags, newsp,
+			parent_tidptr, child_tidptr, tls_val);
+	return ret;
 }
 #endif
 
diff --git a/kernel/module.c b/kernel/module.c
index b10b048..eab0827 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -188,6 +188,7 @@
    ongoing or failed initialization etc. */
 static inline int strong_try_module_get(struct module *mod)
 {
+	BUG_ON(mod && mod->state == MODULE_STATE_UNFORMED);
 	if (mod && mod->state == MODULE_STATE_COMING)
 		return -EBUSY;
 	if (try_module_get(mod))
@@ -343,6 +344,9 @@
 #endif
 		};
 
+		if (mod->state == MODULE_STATE_UNFORMED)
+			continue;
+
 		if (each_symbol_in_section(arr, ARRAY_SIZE(arr), mod, fn, data))
 			return true;
 	}
@@ -450,16 +454,24 @@
 EXPORT_SYMBOL_GPL(find_symbol);
 
 /* Search for module by name: must hold module_mutex. */
-struct module *find_module(const char *name)
+static struct module *find_module_all(const char *name,
+				      bool even_unformed)
 {
 	struct module *mod;
 
 	list_for_each_entry(mod, &modules, list) {
+		if (!even_unformed && mod->state == MODULE_STATE_UNFORMED)
+			continue;
 		if (strcmp(mod->name, name) == 0)
 			return mod;
 	}
 	return NULL;
 }
+
+struct module *find_module(const char *name)
+{
+	return find_module_all(name, false);
+}
 EXPORT_SYMBOL_GPL(find_module);
 
 #ifdef CONFIG_SMP
@@ -525,6 +537,8 @@
 	preempt_disable();
 
 	list_for_each_entry_rcu(mod, &modules, list) {
+		if (mod->state == MODULE_STATE_UNFORMED)
+			continue;
 		if (!mod->percpu_size)
 			continue;
 		for_each_possible_cpu(cpu) {
@@ -1048,6 +1062,8 @@
 	case MODULE_STATE_GOING:
 		state = "going";
 		break;
+	default:
+		BUG();
 	}
 	return sprintf(buffer, "%s\n", state);
 }
@@ -1786,6 +1802,8 @@
 
 	mutex_lock(&module_mutex);
 	list_for_each_entry_rcu(mod, &modules, list) {
+		if (mod->state == MODULE_STATE_UNFORMED)
+			continue;
 		if ((mod->module_core) && (mod->core_text_size)) {
 			set_page_attributes(mod->module_core,
 						mod->module_core + mod->core_text_size,
@@ -1807,6 +1825,8 @@
 
 	mutex_lock(&module_mutex);
 	list_for_each_entry_rcu(mod, &modules, list) {
+		if (mod->state == MODULE_STATE_UNFORMED)
+			continue;
 		if ((mod->module_core) && (mod->core_text_size)) {
 			set_page_attributes(mod->module_core,
 						mod->module_core + mod->core_text_size,
@@ -2527,6 +2547,13 @@
 		err = -EFBIG;
 		goto out;
 	}
+
+	/* Don't hand 0 to vmalloc, it whines. */
+	if (stat.size == 0) {
+		err = -EINVAL;
+		goto out;
+	}
+
 	info->hdr = vmalloc(stat.size);
 	if (!info->hdr) {
 		err = -ENOMEM;
@@ -2990,8 +3017,9 @@
 	bool ret;
 
 	mutex_lock(&module_mutex);
-	mod = find_module(name);
-	ret = !mod || mod->state != MODULE_STATE_COMING;
+	mod = find_module_all(name, true);
+	ret = !mod || mod->state == MODULE_STATE_LIVE
+		|| mod->state == MODULE_STATE_GOING;
 	mutex_unlock(&module_mutex);
 
 	return ret;
@@ -3136,6 +3164,32 @@
 		goto free_copy;
 	}
 
+	/*
+	 * We try to place it in the list now to make sure it's unique
+	 * before we dedicate too many resources.  In particular,
+	 * temporary percpu memory exhaustion.
+	 */
+	mod->state = MODULE_STATE_UNFORMED;
+again:
+	mutex_lock(&module_mutex);
+	if ((old = find_module_all(mod->name, true)) != NULL) {
+		if (old->state == MODULE_STATE_COMING
+		    || old->state == MODULE_STATE_UNFORMED) {
+			/* Wait in case it fails to load. */
+			mutex_unlock(&module_mutex);
+			err = wait_event_interruptible(module_wq,
+					       finished_loading(mod->name));
+			if (err)
+				goto free_module;
+			goto again;
+		}
+		err = -EEXIST;
+		mutex_unlock(&module_mutex);
+		goto free_module;
+	}
+	list_add_rcu(&mod->list, &modules);
+	mutex_unlock(&module_mutex);
+
 #ifdef CONFIG_MODULE_SIG
 	mod->sig_ok = info->sig_ok;
 	if (!mod->sig_ok)
@@ -3145,7 +3199,7 @@
 	/* Now module is in final location, initialize linked lists, etc. */
 	err = module_unload_init(mod);
 	if (err)
-		goto free_module;
+		goto unlink_mod;
 
 	/* Now we've got everything in the final locations, we can
 	 * find optional sections. */
@@ -3180,54 +3234,33 @@
 		goto free_arch_cleanup;
 	}
 
-	/* Mark state as coming so strong_try_module_get() ignores us. */
-	mod->state = MODULE_STATE_COMING;
-
-	/* Now sew it into the lists so we can get lockdep and oops
-	 * info during argument parsing.  No one should access us, since
-	 * strong_try_module_get() will fail.
-	 * lockdep/oops can run asynchronous, so use the RCU list insertion
-	 * function to insert in a way safe to concurrent readers.
-	 * The mutex protects against concurrent writers.
-	 */
-again:
-	mutex_lock(&module_mutex);
-	if ((old = find_module(mod->name)) != NULL) {
-		if (old->state == MODULE_STATE_COMING) {
-			/* Wait in case it fails to load. */
-			mutex_unlock(&module_mutex);
-			err = wait_event_interruptible(module_wq,
-					       finished_loading(mod->name));
-			if (err)
-				goto free_arch_cleanup;
-			goto again;
-		}
-		err = -EEXIST;
-		goto unlock;
-	}
-
-	/* This has to be done once we're sure module name is unique. */
 	dynamic_debug_setup(info->debug, info->num_debug);
 
-	/* Find duplicate symbols */
+	mutex_lock(&module_mutex);
+	/* Find duplicate symbols (must be called under lock). */
 	err = verify_export_symbols(mod);
 	if (err < 0)
-		goto ddebug;
+		goto ddebug_cleanup;
 
+	/* This relies on module_mutex for list integrity. */
 	module_bug_finalize(info->hdr, info->sechdrs, mod);
-	list_add_rcu(&mod->list, &modules);
+
+	/* Mark state as coming so strong_try_module_get() ignores us,
+	 * but kallsyms etc. can see us. */
+	mod->state = MODULE_STATE_COMING;
+
 	mutex_unlock(&module_mutex);
 
 	/* Module is ready to execute: parsing args may do that. */
 	err = parse_args(mod->name, mod->args, mod->kp, mod->num_kp,
 			 -32768, 32767, &ddebug_dyndbg_module_param_cb);
 	if (err < 0)
-		goto unlink;
+		goto bug_cleanup;
 
 	/* Link in to syfs. */
 	err = mod_sysfs_setup(mod, info, mod->kp, mod->num_kp);
 	if (err < 0)
-		goto unlink;
+		goto bug_cleanup;
 
 	/* Get rid of temporary copy. */
 	free_copy(info);
@@ -3237,16 +3270,13 @@
 
 	return do_init_module(mod);
 
- unlink:
+ bug_cleanup:
+	/* module_bug_cleanup needs module_mutex protection */
 	mutex_lock(&module_mutex);
-	/* Unlink carefully: kallsyms could be walking list. */
-	list_del_rcu(&mod->list);
 	module_bug_cleanup(mod);
-	wake_up_all(&module_wq);
- ddebug:
-	dynamic_debug_remove(info->debug);
- unlock:
+ ddebug_cleanup:
 	mutex_unlock(&module_mutex);
+	dynamic_debug_remove(info->debug);
 	synchronize_sched();
 	kfree(mod->args);
  free_arch_cleanup:
@@ -3255,6 +3285,12 @@
 	free_modinfo(mod);
  free_unload:
 	module_unload_free(mod);
+ unlink_mod:
+	mutex_lock(&module_mutex);
+	/* Unlink carefully: kallsyms could be walking list. */
+	list_del_rcu(&mod->list);
+	wake_up_all(&module_wq);
+	mutex_unlock(&module_mutex);
  free_module:
 	module_deallocate(mod, info);
  free_copy:
@@ -3377,6 +3413,8 @@
 
 	preempt_disable();
 	list_for_each_entry_rcu(mod, &modules, list) {
+		if (mod->state == MODULE_STATE_UNFORMED)
+			continue;
 		if (within_module_init(addr, mod) ||
 		    within_module_core(addr, mod)) {
 			if (modname)
@@ -3400,6 +3438,8 @@
 
 	preempt_disable();
 	list_for_each_entry_rcu(mod, &modules, list) {
+		if (mod->state == MODULE_STATE_UNFORMED)
+			continue;
 		if (within_module_init(addr, mod) ||
 		    within_module_core(addr, mod)) {
 			const char *sym;
@@ -3424,6 +3464,8 @@
 
 	preempt_disable();
 	list_for_each_entry_rcu(mod, &modules, list) {
+		if (mod->state == MODULE_STATE_UNFORMED)
+			continue;
 		if (within_module_init(addr, mod) ||
 		    within_module_core(addr, mod)) {
 			const char *sym;
@@ -3451,6 +3493,8 @@
 
 	preempt_disable();
 	list_for_each_entry_rcu(mod, &modules, list) {
+		if (mod->state == MODULE_STATE_UNFORMED)
+			continue;
 		if (symnum < mod->num_symtab) {
 			*value = mod->symtab[symnum].st_value;
 			*type = mod->symtab[symnum].st_info;
@@ -3493,9 +3537,12 @@
 			ret = mod_find_symname(mod, colon+1);
 		*colon = ':';
 	} else {
-		list_for_each_entry_rcu(mod, &modules, list)
+		list_for_each_entry_rcu(mod, &modules, list) {
+			if (mod->state == MODULE_STATE_UNFORMED)
+				continue;
 			if ((ret = mod_find_symname(mod, name)) != 0)
 				break;
+		}
 	}
 	preempt_enable();
 	return ret;
@@ -3510,6 +3557,8 @@
 	int ret;
 
 	list_for_each_entry(mod, &modules, list) {
+		if (mod->state == MODULE_STATE_UNFORMED)
+			continue;
 		for (i = 0; i < mod->num_symtab; i++) {
 			ret = fn(data, mod->strtab + mod->symtab[i].st_name,
 				 mod, mod->symtab[i].st_value);
@@ -3525,6 +3574,7 @@
 {
 	int bx = 0;
 
+	BUG_ON(mod->state == MODULE_STATE_UNFORMED);
 	if (mod->taints ||
 	    mod->state == MODULE_STATE_GOING ||
 	    mod->state == MODULE_STATE_COMING) {
@@ -3566,6 +3616,10 @@
 	struct module *mod = list_entry(p, struct module, list);
 	char buf[8];
 
+	/* We always ignore unformed modules. */
+	if (mod->state == MODULE_STATE_UNFORMED)
+		return 0;
+
 	seq_printf(m, "%s %u",
 		   mod->name, mod->init_size + mod->core_size);
 	print_unload_info(m, mod);
@@ -3626,6 +3680,8 @@
 
 	preempt_disable();
 	list_for_each_entry_rcu(mod, &modules, list) {
+		if (mod->state == MODULE_STATE_UNFORMED)
+			continue;
 		if (mod->num_exentries == 0)
 			continue;
 
@@ -3674,10 +3730,13 @@
 	if (addr < module_addr_min || addr > module_addr_max)
 		return NULL;
 
-	list_for_each_entry_rcu(mod, &modules, list)
+	list_for_each_entry_rcu(mod, &modules, list) {
+		if (mod->state == MODULE_STATE_UNFORMED)
+			continue;
 		if (within_module_core(addr, mod)
 		    || within_module_init(addr, mod))
 			return mod;
+	}
 	return NULL;
 }
 EXPORT_SYMBOL_GPL(__module_address);
@@ -3730,8 +3789,11 @@
 	printk(KERN_DEFAULT "Modules linked in:");
 	/* Most callers should already have preempt disabled, but make sure */
 	preempt_disable();
-	list_for_each_entry_rcu(mod, &modules, list)
+	list_for_each_entry_rcu(mod, &modules, list) {
+		if (mod->state == MODULE_STATE_UNFORMED)
+			continue;
 		printk(" %s%s", mod->name, module_flags(mod, buf));
+	}
 	preempt_enable();
 	if (last_unloaded_module[0])
 		printk(" [last unloaded: %s]", last_unloaded_module);
diff --git a/kernel/printk.c b/kernel/printk.c
index 357f714..267ce78 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -87,12 +87,6 @@
 struct console *console_drivers;
 EXPORT_SYMBOL_GPL(console_drivers);
 
-#ifdef CONFIG_LOCKDEP
-static struct lockdep_map console_lock_dep_map = {
-	.name = "console_lock"
-};
-#endif
-
 /*
  * This is used for debugging the mess that is the VT code by
  * keeping track if we have the console semaphore held. It's
@@ -1924,7 +1918,6 @@
 		return;
 	console_locked = 1;
 	console_may_schedule = 1;
-	mutex_acquire(&console_lock_dep_map, 0, 0, _RET_IP_);
 }
 EXPORT_SYMBOL(console_lock);
 
@@ -1946,7 +1939,6 @@
 	}
 	console_locked = 1;
 	console_may_schedule = 0;
-	mutex_acquire(&console_lock_dep_map, 0, 1, _RET_IP_);
 	return 1;
 }
 EXPORT_SYMBOL(console_trylock);
@@ -2107,7 +2099,6 @@
 		local_irq_restore(flags);
 	}
 	console_locked = 0;
-	mutex_release(&console_lock_dep_map, 1, _RET_IP_);
 
 	/* Release the exclusive_console once it is used */
 	if (unlikely(exclusive_console))
diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index 1599157..6cbeaae 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -117,11 +117,45 @@
 	 * TASK_KILLABLE sleeps.
 	 */
 	if (child->jobctl & JOBCTL_STOP_PENDING || task_is_traced(child))
-		signal_wake_up(child, task_is_traced(child));
+		ptrace_signal_wake_up(child, true);
 
 	spin_unlock(&child->sighand->siglock);
 }
 
+/* Ensure that nothing can wake it up, even SIGKILL */
+static bool ptrace_freeze_traced(struct task_struct *task)
+{
+	bool ret = false;
+
+	/* Lockless, nobody but us can set this flag */
+	if (task->jobctl & JOBCTL_LISTENING)
+		return ret;
+
+	spin_lock_irq(&task->sighand->siglock);
+	if (task_is_traced(task) && !__fatal_signal_pending(task)) {
+		task->state = __TASK_TRACED;
+		ret = true;
+	}
+	spin_unlock_irq(&task->sighand->siglock);
+
+	return ret;
+}
+
+static void ptrace_unfreeze_traced(struct task_struct *task)
+{
+	if (task->state != __TASK_TRACED)
+		return;
+
+	WARN_ON(!task->ptrace || task->parent != current);
+
+	spin_lock_irq(&task->sighand->siglock);
+	if (__fatal_signal_pending(task))
+		wake_up_state(task, __TASK_TRACED);
+	else
+		task->state = TASK_TRACED;
+	spin_unlock_irq(&task->sighand->siglock);
+}
+
 /**
  * ptrace_check_attach - check whether ptracee is ready for ptrace operation
  * @child: ptracee to check for
@@ -139,7 +173,7 @@
  * RETURNS:
  * 0 on success, -ESRCH if %child is not ready.
  */
-int ptrace_check_attach(struct task_struct *child, bool ignore_state)
+static int ptrace_check_attach(struct task_struct *child, bool ignore_state)
 {
 	int ret = -ESRCH;
 
@@ -151,24 +185,29 @@
 	 * be changed by us so it's not changing right after this.
 	 */
 	read_lock(&tasklist_lock);
-	if ((child->ptrace & PT_PTRACED) && child->parent == current) {
+	if (child->ptrace && child->parent == current) {
+		WARN_ON(child->state == __TASK_TRACED);
 		/*
 		 * child->sighand can't be NULL, release_task()
 		 * does ptrace_unlink() before __exit_signal().
 		 */
-		spin_lock_irq(&child->sighand->siglock);
-		WARN_ON_ONCE(task_is_stopped(child));
-		if (ignore_state || (task_is_traced(child) &&
-				     !(child->jobctl & JOBCTL_LISTENING)))
+		if (ignore_state || ptrace_freeze_traced(child))
 			ret = 0;
-		spin_unlock_irq(&child->sighand->siglock);
 	}
 	read_unlock(&tasklist_lock);
 
-	if (!ret && !ignore_state)
-		ret = wait_task_inactive(child, TASK_TRACED) ? 0 : -ESRCH;
+	if (!ret && !ignore_state) {
+		if (!wait_task_inactive(child, __TASK_TRACED)) {
+			/*
+			 * This can only happen if may_ptrace_stop() fails and
+			 * ptrace_stop() changes ->state back to TASK_RUNNING,
+			 * so we should not worry about leaking __TASK_TRACED.
+			 */
+			WARN_ON(child->state == __TASK_TRACED);
+			ret = -ESRCH;
+		}
+	}
 
-	/* All systems go.. */
 	return ret;
 }
 
@@ -317,7 +356,7 @@
 	 */
 	if (task_is_stopped(task) &&
 	    task_set_jobctl_pending(task, JOBCTL_TRAP_STOP | JOBCTL_TRAPPING))
-		signal_wake_up(task, 1);
+		signal_wake_up_state(task, __TASK_STOPPED);
 
 	spin_unlock(&task->sighand->siglock);
 
@@ -737,7 +776,7 @@
 		 * tracee into STOP.
 		 */
 		if (likely(task_set_jobctl_pending(child, JOBCTL_TRAP_STOP)))
-			signal_wake_up(child, child->jobctl & JOBCTL_LISTENING);
+			ptrace_signal_wake_up(child, child->jobctl & JOBCTL_LISTENING);
 
 		unlock_task_sighand(child, &flags);
 		ret = 0;
@@ -763,7 +802,7 @@
 			 * start of this trap and now.  Trigger re-trap.
 			 */
 			if (child->jobctl & JOBCTL_TRAP_NOTIFY)
-				signal_wake_up(child, true);
+				ptrace_signal_wake_up(child, true);
 			ret = 0;
 		}
 		unlock_task_sighand(child, &flags);
@@ -900,6 +939,8 @@
 		goto out_put_task_struct;
 
 	ret = arch_ptrace(child, request, addr, data);
+	if (ret || request != PTRACE_DETACH)
+		ptrace_unfreeze_traced(child);
 
  out_put_task_struct:
 	put_task_struct(child);
@@ -1039,8 +1080,11 @@
 
 	ret = ptrace_check_attach(child, request == PTRACE_KILL ||
 				  request == PTRACE_INTERRUPT);
-	if (!ret)
+	if (!ret) {
 		ret = compat_arch_ptrace(child, request, addr, data);
+		if (ret || request != PTRACE_DETACH)
+			ptrace_unfreeze_traced(child);
+	}
 
  out_put_task_struct:
 	put_task_struct(child);
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 257002c..26058d0 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -1523,7 +1523,8 @@
  */
 int wake_up_process(struct task_struct *p)
 {
-	return try_to_wake_up(p, TASK_ALL, 0);
+	WARN_ON(task_is_stopped_or_traced(p));
+	return try_to_wake_up(p, TASK_NORMAL, 0);
 }
 EXPORT_SYMBOL(wake_up_process);
 
diff --git a/kernel/signal.c b/kernel/signal.c
index 372771e..3d09cf6 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -680,23 +680,17 @@
  * No need to set need_resched since signal event passing
  * goes through ->blocked
  */
-void signal_wake_up(struct task_struct *t, int resume)
+void signal_wake_up_state(struct task_struct *t, unsigned int state)
 {
-	unsigned int mask;
-
 	set_tsk_thread_flag(t, TIF_SIGPENDING);
-
 	/*
-	 * For SIGKILL, we want to wake it up in the stopped/traced/killable
+	 * TASK_WAKEKILL also means wake it up in the stopped/traced/killable
 	 * case. We don't check t->state here because there is a race with it
 	 * executing another processor and just now entering stopped state.
 	 * By using wake_up_state, we ensure the process will wake up and
 	 * handle its death signal.
 	 */
-	mask = TASK_INTERRUPTIBLE;
-	if (resume)
-		mask |= TASK_WAKEKILL;
-	if (!wake_up_state(t, mask))
+	if (!wake_up_state(t, state | TASK_INTERRUPTIBLE))
 		kick_process(t);
 }
 
@@ -844,7 +838,7 @@
 	assert_spin_locked(&t->sighand->siglock);
 
 	task_set_jobctl_pending(t, JOBCTL_TRAP_NOTIFY);
-	signal_wake_up(t, t->jobctl & JOBCTL_LISTENING);
+	ptrace_signal_wake_up(t, t->jobctl & JOBCTL_LISTENING);
 }
 
 /*
@@ -1800,6 +1794,10 @@
 	 * If SIGKILL was already sent before the caller unlocked
 	 * ->siglock we must see ->core_state != NULL. Otherwise it
 	 * is safe to enter schedule().
+	 *
+	 * This is almost outdated, a task with the pending SIGKILL can't
+	 * block in TASK_TRACED. But PTRACE_EVENT_EXIT can be reported
+	 * after SIGKILL was already dequeued.
 	 */
 	if (unlikely(current->mm->core_state) &&
 	    unlikely(current->mm == current->parent->mm))
@@ -1925,6 +1923,7 @@
 		if (gstop_done)
 			do_notify_parent_cldstop(current, false, why);
 
+		/* tasklist protects us from ptrace_freeze_traced() */
 		__set_current_state(TASK_RUNNING);
 		if (clear_code)
 			current->exit_code = 0;
@@ -3116,8 +3115,9 @@
 
 #ifdef CONFIG_COMPAT
 #ifdef CONFIG_GENERIC_SIGALTSTACK
-asmlinkage long compat_sys_sigaltstack(const compat_stack_t __user *uss_ptr,
-				       compat_stack_t __user *uoss_ptr)
+COMPAT_SYSCALL_DEFINE2(sigaltstack,
+			const compat_stack_t __user *, uss_ptr,
+			compat_stack_t __user *, uoss_ptr)
 {
 	stack_t uss, uoss;
 	int ret;
diff --git a/kernel/smp.c b/kernel/smp.c
index 29dd40a..69f38bd 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -33,6 +33,7 @@
 	struct call_single_data	csd;
 	atomic_t		refs;
 	cpumask_var_t		cpumask;
+	cpumask_var_t		cpumask_ipi;
 };
 
 static DEFINE_PER_CPU_SHARED_ALIGNED(struct call_function_data, cfd_data);
@@ -56,6 +57,9 @@
 		if (!zalloc_cpumask_var_node(&cfd->cpumask, GFP_KERNEL,
 				cpu_to_node(cpu)))
 			return notifier_from_errno(-ENOMEM);
+		if (!zalloc_cpumask_var_node(&cfd->cpumask_ipi, GFP_KERNEL,
+				cpu_to_node(cpu)))
+			return notifier_from_errno(-ENOMEM);
 		break;
 
 #ifdef CONFIG_HOTPLUG_CPU
@@ -65,6 +69,7 @@
 	case CPU_DEAD:
 	case CPU_DEAD_FROZEN:
 		free_cpumask_var(cfd->cpumask);
+		free_cpumask_var(cfd->cpumask_ipi);
 		break;
 #endif
 	};
@@ -526,6 +531,12 @@
 		return;
 	}
 
+	/*
+	 * After we put an entry into the list, data->cpumask
+	 * may be cleared again when another CPU sends another IPI for
+	 * a SMP function call, so data->cpumask will be zero.
+	 */
+	cpumask_copy(data->cpumask_ipi, data->cpumask);
 	raw_spin_lock_irqsave(&call_function.lock, flags);
 	/*
 	 * Place entry at the _HEAD_ of the list, so that any cpu still
@@ -549,7 +560,7 @@
 	smp_mb();
 
 	/* Send a message to all CPUs in the map */
-	arch_send_call_function_ipi_mask(data->cpumask);
+	arch_send_call_function_ipi_mask(data->cpumask_ipi);
 
 	/* Optionally wait for the CPUs to complete */
 	if (wait)
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 3ffe4c5..41473b4 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -3998,7 +3998,7 @@
 
 struct notifier_block ftrace_module_nb = {
 	.notifier_call = ftrace_module_notify,
-	.priority = 0,
+	.priority = INT_MAX,	/* Run before anything that can use kprobes */
 };
 
 extern unsigned long __start_mcount_loc[];
diff --git a/lib/bug.c b/lib/bug.c
index a28c141..d0cdf14 100644
--- a/lib/bug.c
+++ b/lib/bug.c
@@ -55,6 +55,7 @@
 }
 
 #ifdef CONFIG_MODULES
+/* Updates are protected by module mutex */
 static LIST_HEAD(module_bug_list);
 
 static const struct bug_entry *module_find_bug(unsigned long bugaddr)
diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c
index 8e1d89d..183f97a 100644
--- a/net/batman-adv/distributed-arp-table.c
+++ b/net/batman-adv/distributed-arp-table.c
@@ -738,6 +738,7 @@
 	struct arphdr *arphdr;
 	struct ethhdr *ethhdr;
 	__be32 ip_src, ip_dst;
+	uint8_t *hw_src, *hw_dst;
 	uint16_t type = 0;
 
 	/* pull the ethernet header */
@@ -777,9 +778,23 @@
 	ip_src = batadv_arp_ip_src(skb, hdr_size);
 	ip_dst = batadv_arp_ip_dst(skb, hdr_size);
 	if (ipv4_is_loopback(ip_src) || ipv4_is_multicast(ip_src) ||
-	    ipv4_is_loopback(ip_dst) || ipv4_is_multicast(ip_dst))
+	    ipv4_is_loopback(ip_dst) || ipv4_is_multicast(ip_dst) ||
+	    ipv4_is_zeronet(ip_src) || ipv4_is_lbcast(ip_src) ||
+	    ipv4_is_zeronet(ip_dst) || ipv4_is_lbcast(ip_dst))
 		goto out;
 
+	hw_src = batadv_arp_hw_src(skb, hdr_size);
+	if (is_zero_ether_addr(hw_src) || is_multicast_ether_addr(hw_src))
+		goto out;
+
+	/* we don't care about the destination MAC address in ARP requests */
+	if (arphdr->ar_op != htons(ARPOP_REQUEST)) {
+		hw_dst = batadv_arp_hw_dst(skb, hdr_size);
+		if (is_zero_ether_addr(hw_dst) ||
+		    is_multicast_ether_addr(hw_dst))
+			goto out;
+	}
+
 	type = ntohs(arphdr->ar_op);
 out:
 	return type;
@@ -1012,6 +1027,8 @@
 	 */
 	ret = !batadv_is_my_client(bat_priv, hw_dst);
 out:
+	if (ret)
+		kfree_skb(skb);
 	/* if ret == false -> packet has to be delivered to the interface */
 	return ret;
 }
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 596660d..0f78e34 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -2810,14 +2810,6 @@
 	if (conn) {
 		hci_conn_enter_active_mode(conn, BT_POWER_FORCE_ACTIVE_OFF);
 
-		hci_dev_lock(hdev);
-		if (test_bit(HCI_MGMT, &hdev->dev_flags) &&
-		    !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
-			mgmt_device_connected(hdev, &conn->dst, conn->type,
-					      conn->dst_type, 0, NULL, 0,
-					      conn->dev_class);
-		hci_dev_unlock(hdev);
-
 		/* Send to upper protocol */
 		l2cap_recv_acldata(conn, skb, flags);
 		return;
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 705078a..81b4448 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -2688,7 +2688,7 @@
 	if (ev->opcode != HCI_OP_NOP)
 		del_timer(&hdev->cmd_timer);
 
-	if (ev->ncmd) {
+	if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
 		atomic_set(&hdev->cmd_cnt, 1);
 		if (!skb_queue_empty(&hdev->cmd_q))
 			queue_work(hdev->workqueue, &hdev->cmd_work);
diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index b2bcbe2..a7352ff 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -931,7 +931,7 @@
 	hid->version = req->version;
 	hid->country = req->country;
 
-	strncpy(hid->name, req->name, 128);
+	strncpy(hid->name, req->name, sizeof(req->name) - 1);
 
 	snprintf(hid->phys, sizeof(hid->phys), "%pMR",
 		 &bt_sk(session->ctrl_sock->sk)->src);
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 2c78208..22e6583 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -3727,6 +3727,17 @@
 static int l2cap_connect_req(struct l2cap_conn *conn,
 			     struct l2cap_cmd_hdr *cmd, u8 *data)
 {
+	struct hci_dev *hdev = conn->hcon->hdev;
+	struct hci_conn *hcon = conn->hcon;
+
+	hci_dev_lock(hdev);
+	if (test_bit(HCI_MGMT, &hdev->dev_flags) &&
+	    !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &hcon->flags))
+		mgmt_device_connected(hdev, &hcon->dst, hcon->type,
+				      hcon->dst_type, 0, NULL, 0,
+				      hcon->dev_class);
+	hci_dev_unlock(hdev);
+
 	l2cap_connect(conn, cmd, data, L2CAP_CONN_RSP, 0);
 	return 0;
 }
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index 531a93d..57f250c 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -352,7 +352,7 @@
 
 	case BT_CONNECTED:
 	case BT_CONFIG:
-		if (sco_pi(sk)->conn) {
+		if (sco_pi(sk)->conn->hcon) {
 			sk->sk_state = BT_DISCONN;
 			sco_sock_set_timer(sk, SCO_DISCONN_TIMEOUT);
 			hci_conn_put(sco_pi(sk)->conn->hcon);
diff --git a/net/core/request_sock.c b/net/core/request_sock.c
index c31d9e8..4425148 100644
--- a/net/core/request_sock.c
+++ b/net/core/request_sock.c
@@ -186,8 +186,6 @@
 	struct fastopen_queue *fastopenq =
 	    inet_csk(lsk)->icsk_accept_queue.fastopenq;
 
-	BUG_ON(!spin_is_locked(&sk->sk_lock.slock) && !sock_owned_by_user(sk));
-
 	tcp_sk(sk)->fastopen_rsk = NULL;
 	spin_lock_bh(&fastopenq->lock);
 	fastopenq->qlen--;
diff --git a/net/core/scm.c b/net/core/scm.c
index 57fb1ee..905dcc6 100644
--- a/net/core/scm.c
+++ b/net/core/scm.c
@@ -35,6 +35,7 @@
 #include <net/sock.h>
 #include <net/compat.h>
 #include <net/scm.h>
+#include <net/cls_cgroup.h>
 
 
 /*
@@ -302,8 +303,10 @@
 		}
 		/* Bump the usage count and install the file. */
 		sock = sock_from_file(fp[i], &err);
-		if (sock)
+		if (sock) {
 			sock_update_netprioidx(sock->sk, current);
+			sock_update_classid(sock->sk, current);
+		}
 		fd_install(new_fd, get_file(fp[i]));
 	}
 
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 3ab989b..a9a2ae3 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -1649,7 +1649,7 @@
 
 static struct page *linear_to_page(struct page *page, unsigned int *len,
 				   unsigned int *offset,
-				   struct sk_buff *skb, struct sock *sk)
+				   struct sock *sk)
 {
 	struct page_frag *pfrag = sk_page_frag(sk);
 
@@ -1682,14 +1682,14 @@
 static bool spd_fill_page(struct splice_pipe_desc *spd,
 			  struct pipe_inode_info *pipe, struct page *page,
 			  unsigned int *len, unsigned int offset,
-			  struct sk_buff *skb, bool linear,
+			  bool linear,
 			  struct sock *sk)
 {
 	if (unlikely(spd->nr_pages == MAX_SKB_FRAGS))
 		return true;
 
 	if (linear) {
-		page = linear_to_page(page, len, &offset, skb, sk);
+		page = linear_to_page(page, len, &offset, sk);
 		if (!page)
 			return true;
 	}
@@ -1706,23 +1706,9 @@
 	return false;
 }
 
-static inline void __segment_seek(struct page **page, unsigned int *poff,
-				  unsigned int *plen, unsigned int off)
-{
-	unsigned long n;
-
-	*poff += off;
-	n = *poff / PAGE_SIZE;
-	if (n)
-		*page = nth_page(*page, n);
-
-	*poff = *poff % PAGE_SIZE;
-	*plen -= off;
-}
-
 static bool __splice_segment(struct page *page, unsigned int poff,
 			     unsigned int plen, unsigned int *off,
-			     unsigned int *len, struct sk_buff *skb,
+			     unsigned int *len,
 			     struct splice_pipe_desc *spd, bool linear,
 			     struct sock *sk,
 			     struct pipe_inode_info *pipe)
@@ -1737,23 +1723,19 @@
 	}
 
 	/* ignore any bits we already processed */
-	if (*off) {
-		__segment_seek(&page, &poff, &plen, *off);
-		*off = 0;
-	}
+	poff += *off;
+	plen -= *off;
+	*off = 0;
 
 	do {
 		unsigned int flen = min(*len, plen);
 
-		/* the linear region may spread across several pages  */
-		flen = min_t(unsigned int, flen, PAGE_SIZE - poff);
-
-		if (spd_fill_page(spd, pipe, page, &flen, poff, skb, linear, sk))
+		if (spd_fill_page(spd, pipe, page, &flen, poff,
+				  linear, sk))
 			return true;
-
-		__segment_seek(&page, &poff, &plen, flen);
+		poff += flen;
+		plen -= flen;
 		*len -= flen;
-
 	} while (*len && plen);
 
 	return false;
@@ -1777,7 +1759,7 @@
 	if (__splice_segment(virt_to_page(skb->data),
 			     (unsigned long) skb->data & (PAGE_SIZE - 1),
 			     skb_headlen(skb),
-			     offset, len, skb, spd,
+			     offset, len, spd,
 			     skb_head_is_locked(skb),
 			     sk, pipe))
 		return true;
@@ -1790,7 +1772,7 @@
 
 		if (__splice_segment(skb_frag_page(f),
 				     f->page_offset, skb_frag_size(f),
-				     offset, len, skb, spd, false, sk, pipe))
+				     offset, len, spd, false, sk, pipe))
 			return true;
 	}
 
diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c
index a0d8392..a69b4e4 100644
--- a/net/ipv4/ah4.c
+++ b/net/ipv4/ah4.c
@@ -269,7 +269,11 @@
 	skb->network_header += ah_hlen;
 	memcpy(skb_network_header(skb), work_iph, ihl);
 	__skb_pull(skb, ah_hlen + ihl);
-	skb_set_transport_header(skb, -ihl);
+
+	if (x->props.mode == XFRM_MODE_TUNNEL)
+		skb_reset_transport_header(skb);
+	else
+		skb_set_transport_header(skb, -ihl);
 out:
 	kfree(AH_SKB_CB(skb)->tmp);
 	xfrm_input_resume(skb, err);
@@ -381,7 +385,10 @@
 	skb->network_header += ah_hlen;
 	memcpy(skb_network_header(skb), work_iph, ihl);
 	__skb_pull(skb, ah_hlen + ihl);
-	skb_set_transport_header(skb, -ihl);
+	if (x->props.mode == XFRM_MODE_TUNNEL)
+		skb_reset_transport_header(skb);
+	else
+		skb_set_transport_header(skb, -ihl);
 
 	err = nexthdr;
 
@@ -413,9 +420,12 @@
 	if (!x)
 		return;
 
-	if (icmp_hdr(skb)->type == ICMP_DEST_UNREACH)
+	if (icmp_hdr(skb)->type == ICMP_DEST_UNREACH) {
+		atomic_inc(&flow_cache_genid);
+		rt_genid_bump(net);
+
 		ipv4_update_pmtu(skb, net, info, 0, 0, IPPROTO_AH, 0);
-	else
+	} else
 		ipv4_redirect(skb, net, 0, 0, IPPROTO_AH, 0);
 	xfrm_state_put(x);
 }
diff --git a/net/ipv4/datagram.c b/net/ipv4/datagram.c
index 424fafb..b28e863 100644
--- a/net/ipv4/datagram.c
+++ b/net/ipv4/datagram.c
@@ -85,3 +85,28 @@
 	return err;
 }
 EXPORT_SYMBOL(ip4_datagram_connect);
+
+void ip4_datagram_release_cb(struct sock *sk)
+{
+	const struct inet_sock *inet = inet_sk(sk);
+	const struct ip_options_rcu *inet_opt;
+	__be32 daddr = inet->inet_daddr;
+	struct flowi4 fl4;
+	struct rtable *rt;
+
+	if (! __sk_dst_get(sk) || __sk_dst_check(sk, 0))
+		return;
+
+	rcu_read_lock();
+	inet_opt = rcu_dereference(inet->inet_opt);
+	if (inet_opt && inet_opt->opt.srr)
+		daddr = inet_opt->opt.faddr;
+	rt = ip_route_output_ports(sock_net(sk), &fl4, sk, daddr,
+				   inet->inet_saddr, inet->inet_dport,
+				   inet->inet_sport, sk->sk_protocol,
+				   RT_CONN_FLAGS(sk), sk->sk_bound_dev_if);
+	if (!IS_ERR(rt))
+		__sk_dst_set(sk, &rt->dst);
+	rcu_read_unlock();
+}
+EXPORT_SYMBOL_GPL(ip4_datagram_release_cb);
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index b61e9de..3b4f0cd 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -346,7 +346,10 @@
 
 	pskb_trim(skb, skb->len - alen - padlen - 2);
 	__skb_pull(skb, hlen);
-	skb_set_transport_header(skb, -ihl);
+	if (x->props.mode == XFRM_MODE_TUNNEL)
+		skb_reset_transport_header(skb);
+	else
+		skb_set_transport_header(skb, -ihl);
 
 	err = nexthdr[1];
 
@@ -499,9 +502,12 @@
 	if (!x)
 		return;
 
-	if (icmp_hdr(skb)->type == ICMP_DEST_UNREACH)
+	if (icmp_hdr(skb)->type == ICMP_DEST_UNREACH) {
+		atomic_inc(&flow_cache_genid);
+		rt_genid_bump(net);
+
 		ipv4_update_pmtu(skb, net, info, 0, 0, IPPROTO_ESP, 0);
-	else
+	} else
 		ipv4_redirect(skb, net, 0, 0, IPPROTO_ESP, 0);
 	xfrm_state_put(x);
 }
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 303012a..e81b1ca 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -963,8 +963,12 @@
 			ptr--;
 		}
 		if (tunnel->parms.o_flags&GRE_CSUM) {
+			int offset = skb_transport_offset(skb);
+
 			*ptr = 0;
-			*(__sum16 *)ptr = ip_compute_csum((void *)(iph+1), skb->len - sizeof(struct iphdr));
+			*(__sum16 *)ptr = csum_fold(skb_checksum(skb, offset,
+								 skb->len - offset,
+								 0));
 		}
 	}
 
diff --git a/net/ipv4/ipcomp.c b/net/ipv4/ipcomp.c
index d3ab47e..9a46dae 100644
--- a/net/ipv4/ipcomp.c
+++ b/net/ipv4/ipcomp.c
@@ -47,9 +47,12 @@
 	if (!x)
 		return;
 
-	if (icmp_hdr(skb)->type == ICMP_DEST_UNREACH)
+	if (icmp_hdr(skb)->type == ICMP_DEST_UNREACH) {
+		atomic_inc(&flow_cache_genid);
+		rt_genid_bump(net);
+
 		ipv4_update_pmtu(skb, net, info, 0, 0, IPPROTO_COMP, 0);
-	else
+	} else
 		ipv4_redirect(skb, net, 0, 0, IPPROTO_COMP, 0);
 	xfrm_state_put(x);
 }
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index 8f3d054..6f9c072 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -738,6 +738,7 @@
 	.recvmsg =	ping_recvmsg,
 	.bind =		ping_bind,
 	.backlog_rcv =	ping_queue_rcv_skb,
+	.release_cb =	ip4_datagram_release_cb,
 	.hash =		ping_v4_hash,
 	.unhash =	ping_v4_unhash,
 	.get_port =	ping_v4_get_port,
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index 73d1e4d..6f08991 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -894,6 +894,7 @@
 	.recvmsg	   = raw_recvmsg,
 	.bind		   = raw_bind,
 	.backlog_rcv	   = raw_rcv_skb,
+	.release_cb	   = ip4_datagram_release_cb,
 	.hash		   = raw_hash_sk,
 	.unhash		   = raw_unhash_sk,
 	.obj_size	   = sizeof(struct raw_sock),
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 844a9ef..a0fcc47 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -912,6 +912,9 @@
 	struct dst_entry *dst = &rt->dst;
 	struct fib_result res;
 
+	if (dst_metric_locked(dst, RTAX_MTU))
+		return;
+
 	if (dst->dev->mtu < mtu)
 		return;
 
@@ -962,7 +965,7 @@
 }
 EXPORT_SYMBOL_GPL(ipv4_update_pmtu);
 
-void ipv4_sk_update_pmtu(struct sk_buff *skb, struct sock *sk, u32 mtu)
+static void __ipv4_sk_update_pmtu(struct sk_buff *skb, struct sock *sk, u32 mtu)
 {
 	const struct iphdr *iph = (const struct iphdr *) skb->data;
 	struct flowi4 fl4;
@@ -975,6 +978,53 @@
 		ip_rt_put(rt);
 	}
 }
+
+void ipv4_sk_update_pmtu(struct sk_buff *skb, struct sock *sk, u32 mtu)
+{
+	const struct iphdr *iph = (const struct iphdr *) skb->data;
+	struct flowi4 fl4;
+	struct rtable *rt;
+	struct dst_entry *dst;
+	bool new = false;
+
+	bh_lock_sock(sk);
+	rt = (struct rtable *) __sk_dst_get(sk);
+
+	if (sock_owned_by_user(sk) || !rt) {
+		__ipv4_sk_update_pmtu(skb, sk, mtu);
+		goto out;
+	}
+
+	__build_flow_key(&fl4, sk, iph, 0, 0, 0, 0, 0);
+
+	if (!__sk_dst_check(sk, 0)) {
+		rt = ip_route_output_flow(sock_net(sk), &fl4, sk);
+		if (IS_ERR(rt))
+			goto out;
+
+		new = true;
+	}
+
+	__ip_rt_update_pmtu((struct rtable *) rt->dst.path, &fl4, mtu);
+
+	dst = dst_check(&rt->dst, 0);
+	if (!dst) {
+		if (new)
+			dst_release(&rt->dst);
+
+		rt = ip_route_output_flow(sock_net(sk), &fl4, sk);
+		if (IS_ERR(rt))
+			goto out;
+
+		new = true;
+	}
+
+	if (new)
+		__sk_dst_set(sk, &rt->dst);
+
+out:
+	bh_unlock_sock(sk);
+}
 EXPORT_SYMBOL_GPL(ipv4_sk_update_pmtu);
 
 void ipv4_redirect(struct sk_buff *skb, struct net *net,
@@ -1120,7 +1170,7 @@
 	if (!mtu || time_after_eq(jiffies, rt->dst.expires))
 		mtu = dst_metric_raw(dst, RTAX_MTU);
 
-	if (mtu && rt_is_output_route(rt))
+	if (mtu)
 		return mtu;
 
 	mtu = dst->dev->mtu;
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 54139fa..70b09ef 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -369,11 +369,10 @@
 	 * We do take care of PMTU discovery (RFC1191) special case :
 	 * we can receive locally generated ICMP messages while socket is held.
 	 */
-	if (sock_owned_by_user(sk) &&
-	    type != ICMP_DEST_UNREACH &&
-	    code != ICMP_FRAG_NEEDED)
-		NET_INC_STATS_BH(net, LINUX_MIB_LOCKDROPPEDICMPS);
-
+	if (sock_owned_by_user(sk)) {
+		if (!(type == ICMP_DEST_UNREACH && code == ICMP_FRAG_NEEDED))
+			NET_INC_STATS_BH(net, LINUX_MIB_LOCKDROPPEDICMPS);
+	}
 	if (sk->sk_state == TCP_CLOSE)
 		goto out;
 
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 79c8dbe..1f4d405 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1952,6 +1952,7 @@
 	.recvmsg	   = udp_recvmsg,
 	.sendpage	   = udp_sendpage,
 	.backlog_rcv	   = __udp_queue_rcv_skb,
+	.release_cb	   = ip4_datagram_release_cb,
 	.hash		   = udp_lib_hash,
 	.unhash		   = udp_lib_unhash,
 	.rehash		   = udp_v4_rehash,
diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index ecc35b9..3842331 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -472,7 +472,10 @@
 	skb->network_header += ah_hlen;
 	memcpy(skb_network_header(skb), work_iph, hdr_len);
 	__skb_pull(skb, ah_hlen + hdr_len);
-	skb_set_transport_header(skb, -hdr_len);
+	if (x->props.mode == XFRM_MODE_TUNNEL)
+		skb_reset_transport_header(skb);
+	else
+		skb_set_transport_header(skb, -hdr_len);
 out:
 	kfree(AH_SKB_CB(skb)->tmp);
 	xfrm_input_resume(skb, err);
@@ -593,9 +596,13 @@
 
 	skb->network_header += ah_hlen;
 	memcpy(skb_network_header(skb), work_iph, hdr_len);
-	skb->transport_header = skb->network_header;
 	__skb_pull(skb, ah_hlen + hdr_len);
 
+	if (x->props.mode == XFRM_MODE_TUNNEL)
+		skb_reset_transport_header(skb);
+	else
+		skb_set_transport_header(skb, -hdr_len);
+
 	err = nexthdr;
 
 out_free:
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index 282f372..40ffd72 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -300,7 +300,10 @@
 
 	pskb_trim(skb, skb->len - alen - padlen - 2);
 	__skb_pull(skb, hlen);
-	skb_set_transport_header(skb, -hdr_len);
+	if (x->props.mode == XFRM_MODE_TUNNEL)
+		skb_reset_transport_header(skb);
+	else
+		skb_set_transport_header(skb, -hdr_len);
 
 	err = nexthdr[1];
 
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index b4a9fd5..fff5bdd 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -81,10 +81,22 @@
 	return net->ipv6.icmp_sk[smp_processor_id()];
 }
 
+static void icmpv6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
+		       u8 type, u8 code, int offset, __be32 info)
+{
+	struct net *net = dev_net(skb->dev);
+
+	if (type == ICMPV6_PKT_TOOBIG)
+		ip6_update_pmtu(skb, net, info, 0, 0);
+	else if (type == NDISC_REDIRECT)
+		ip6_redirect(skb, net, 0, 0);
+}
+
 static int icmpv6_rcv(struct sk_buff *skb);
 
 static const struct inet6_protocol icmpv6_protocol = {
 	.handler	=	icmpv6_rcv,
+	.err_handler	=	icmpv6_err,
 	.flags		=	INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL,
 };
 
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 5552d13..0c7c03d 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -1213,10 +1213,10 @@
 		if (dst_allfrag(rt->dst.path))
 			cork->flags |= IPCORK_ALLFRAG;
 		cork->length = 0;
-		exthdrlen = (opt ? opt->opt_flen : 0) - rt->rt6i_nfheader_len;
+		exthdrlen = (opt ? opt->opt_flen : 0);
 		length += exthdrlen;
 		transhdrlen += exthdrlen;
-		dst_exthdrlen = rt->dst.header_len;
+		dst_exthdrlen = rt->dst.header_len - rt->rt6i_nfheader_len;
 	} else {
 		rt = (struct rt6_info *)cork->dst;
 		fl6 = &inet->cork.fl.u.ip6;
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 26dcdec..8fd154e 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -1710,6 +1710,9 @@
 			return -EINVAL;
 		if (get_user(v, (u32 __user *)optval))
 			return -EFAULT;
+		/* "pim6reg%u" should not exceed 16 bytes (IFNAMSIZ) */
+		if (v != RT_TABLE_DEFAULT && v >= 100000000)
+			return -EINVAL;
 		if (sk == mrt->mroute6_sk)
 			return -EBUSY;
 
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 47e0aca..516fbc9 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -164,7 +164,17 @@
 			sta = sta_info_get(sdata, mac_addr);
 		else
 			sta = sta_info_get_bss(sdata, mac_addr);
-		if (!sta) {
+		/*
+		 * The ASSOC test makes sure the driver is ready to
+		 * receive the key. When wpa_supplicant has roamed
+		 * using FT, it attempts to set the key before
+		 * association has completed, this rejects that attempt
+		 * so it will set the key again after assocation.
+		 *
+		 * TODO: accept the key if we have a station entry and
+		 *       add it to the device after the station.
+		 */
+		if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
 			ieee80211_key_free(sdata->local, key);
 			err = -ENOENT;
 			goto out_unlock;
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 8563b9a..2ed065c 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1358,10 +1358,8 @@
 void ieee80211_sched_scan_stopped_work(struct work_struct *work);
 
 /* off-channel helpers */
-void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local,
-				    bool offchannel_ps_enable);
-void ieee80211_offchannel_return(struct ieee80211_local *local,
-				 bool offchannel_ps_disable);
+void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local);
+void ieee80211_offchannel_return(struct ieee80211_local *local);
 void ieee80211_roc_setup(struct ieee80211_local *local);
 void ieee80211_start_next_roc(struct ieee80211_local *local);
 void ieee80211_roc_purge(struct ieee80211_sub_if_data *sdata);
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 47aeee2..2659e42 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -215,6 +215,7 @@
 	skb->priority = 7;
 
 	info->control.vif = &sdata->vif;
+	info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
 	ieee80211_set_qos_hdr(sdata, skb);
 }
 
@@ -246,11 +247,13 @@
 		return -EAGAIN;
 
 	skb = dev_alloc_skb(local->tx_headroom +
+			    IEEE80211_ENCRYPT_HEADROOM +
+			    IEEE80211_ENCRYPT_TAILROOM +
 			    hdr_len +
 			    2 + 15 /* PERR IE */);
 	if (!skb)
 		return -1;
-	skb_reserve(skb, local->tx_headroom);
+	skb_reserve(skb, local->tx_headroom + IEEE80211_ENCRYPT_HEADROOM);
 	mgmt = (struct ieee80211_mgmt *) skb_put(skb, hdr_len);
 	memset(mgmt, 0, hdr_len);
 	mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c
index a5379ae..a3ad4c3 100644
--- a/net/mac80211/offchannel.c
+++ b/net/mac80211/offchannel.c
@@ -102,8 +102,7 @@
 	ieee80211_sta_reset_conn_monitor(sdata);
 }
 
-void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local,
-				    bool offchannel_ps_enable)
+void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local)
 {
 	struct ieee80211_sub_if_data *sdata;
 
@@ -134,8 +133,7 @@
 
 		if (sdata->vif.type != NL80211_IFTYPE_MONITOR) {
 			netif_tx_stop_all_queues(sdata->dev);
-			if (offchannel_ps_enable &&
-			    (sdata->vif.type == NL80211_IFTYPE_STATION) &&
+			if (sdata->vif.type == NL80211_IFTYPE_STATION &&
 			    sdata->u.mgd.associated)
 				ieee80211_offchannel_ps_enable(sdata);
 		}
@@ -143,8 +141,7 @@
 	mutex_unlock(&local->iflist_mtx);
 }
 
-void ieee80211_offchannel_return(struct ieee80211_local *local,
-				 bool offchannel_ps_disable)
+void ieee80211_offchannel_return(struct ieee80211_local *local)
 {
 	struct ieee80211_sub_if_data *sdata;
 
@@ -163,11 +160,9 @@
 			continue;
 
 		/* Tell AP we're back */
-		if (offchannel_ps_disable &&
-		    sdata->vif.type == NL80211_IFTYPE_STATION) {
-			if (sdata->u.mgd.associated)
-				ieee80211_offchannel_ps_disable(sdata);
-		}
+		if (sdata->vif.type == NL80211_IFTYPE_STATION &&
+		    sdata->u.mgd.associated)
+			ieee80211_offchannel_ps_disable(sdata);
 
 		if (sdata->vif.type != NL80211_IFTYPE_MONITOR) {
 			/*
@@ -385,7 +380,7 @@
 			local->tmp_channel = NULL;
 			ieee80211_hw_config(local, 0);
 
-			ieee80211_offchannel_return(local, true);
+			ieee80211_offchannel_return(local);
 		}
 
 		ieee80211_recalc_idle(local);
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index d59fc68..bf82e69 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -292,7 +292,7 @@
 	if (!was_hw_scan) {
 		ieee80211_configure_filter(local);
 		drv_sw_scan_complete(local);
-		ieee80211_offchannel_return(local, true);
+		ieee80211_offchannel_return(local);
 	}
 
 	ieee80211_recalc_idle(local);
@@ -341,7 +341,7 @@
 	local->next_scan_state = SCAN_DECISION;
 	local->scan_channel_idx = 0;
 
-	ieee80211_offchannel_stop_vifs(local, true);
+	ieee80211_offchannel_stop_vifs(local);
 
 	ieee80211_configure_filter(local);
 
@@ -678,12 +678,8 @@
 	local->scan_channel = NULL;
 	ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
 
-	/*
-	 * Re-enable vifs and beaconing.  Leave PS
-	 * in off-channel state..will put that back
-	 * on-channel at the end of scanning.
-	 */
-	ieee80211_offchannel_return(local, false);
+	/* disable PS */
+	ieee80211_offchannel_return(local);
 
 	*next_delay = HZ / 5;
 	/* afterwards, resume scan & go to next channel */
@@ -693,8 +689,7 @@
 static void ieee80211_scan_state_resume(struct ieee80211_local *local,
 					unsigned long *next_delay)
 {
-	/* PS already is in off-channel mode */
-	ieee80211_offchannel_stop_vifs(local, false);
+	ieee80211_offchannel_stop_vifs(local);
 
 	if (local->ops->flush) {
 		drv_flush(local, false);
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index e9eadc4..467c1d1 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1673,10 +1673,13 @@
 			chanctx_conf =
 				rcu_dereference(tmp_sdata->vif.chanctx_conf);
 	}
-	if (!chanctx_conf)
-		goto fail_rcu;
 
-	chan = chanctx_conf->def.chan;
+	if (chanctx_conf)
+		chan = chanctx_conf->def.chan;
+	else if (!local->use_chanctx)
+		chan = local->_oper_channel;
+	else
+		goto fail_rcu;
 
 	/*
 	 * Frame injection is not allowed if beaconing is not allowed
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index 016d95e..e4a0c4f 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -1376,11 +1376,12 @@
 	synchronize_net();
 	nf_conntrack_proto_fini(net);
 	nf_conntrack_cleanup_net(net);
+}
 
-	if (net_eq(net, &init_net)) {
-		RCU_INIT_POINTER(nf_ct_destroy, NULL);
-		nf_conntrack_cleanup_init_net();
-	}
+void nf_conntrack_cleanup_end(void)
+{
+	RCU_INIT_POINTER(nf_ct_destroy, NULL);
+	nf_conntrack_cleanup_init_net();
 }
 
 void *nf_ct_alloc_hashtable(unsigned int *sizep, int nulls)
diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c
index 363285d..e7185c68 100644
--- a/net/netfilter/nf_conntrack_standalone.c
+++ b/net/netfilter/nf_conntrack_standalone.c
@@ -575,6 +575,7 @@
 static void __exit nf_conntrack_standalone_fini(void)
 {
 	unregister_pernet_subsys(&nf_conntrack_net_ops);
+	nf_conntrack_cleanup_end();
 }
 
 module_init(nf_conntrack_standalone_init);
diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c
index 8d987c3..7b3a9e5 100644
--- a/net/netfilter/x_tables.c
+++ b/net/netfilter/x_tables.c
@@ -345,19 +345,27 @@
 }
 EXPORT_SYMBOL_GPL(xt_find_revision);
 
-static char *textify_hooks(char *buf, size_t size, unsigned int mask)
+static char *
+textify_hooks(char *buf, size_t size, unsigned int mask, uint8_t nfproto)
 {
-	static const char *const names[] = {
+	static const char *const inetbr_names[] = {
 		"PREROUTING", "INPUT", "FORWARD",
 		"OUTPUT", "POSTROUTING", "BROUTING",
 	};
-	unsigned int i;
+	static const char *const arp_names[] = {
+		"INPUT", "FORWARD", "OUTPUT",
+	};
+	const char *const *names;
+	unsigned int i, max;
 	char *p = buf;
 	bool np = false;
 	int res;
 
+	names = (nfproto == NFPROTO_ARP) ? arp_names : inetbr_names;
+	max   = (nfproto == NFPROTO_ARP) ? ARRAY_SIZE(arp_names) :
+	                                   ARRAY_SIZE(inetbr_names);
 	*p = '\0';
-	for (i = 0; i < ARRAY_SIZE(names); ++i) {
+	for (i = 0; i < max; ++i) {
 		if (!(mask & (1 << i)))
 			continue;
 		res = snprintf(p, size, "%s%s", np ? "/" : "", names[i]);
@@ -402,8 +410,10 @@
 		pr_err("%s_tables: %s match: used from hooks %s, but only "
 		       "valid from %s\n",
 		       xt_prefix[par->family], par->match->name,
-		       textify_hooks(used, sizeof(used), par->hook_mask),
-		       textify_hooks(allow, sizeof(allow), par->match->hooks));
+		       textify_hooks(used, sizeof(used), par->hook_mask,
+		                     par->family),
+		       textify_hooks(allow, sizeof(allow), par->match->hooks,
+		                     par->family));
 		return -EINVAL;
 	}
 	if (par->match->proto && (par->match->proto != proto || inv_proto)) {
@@ -575,8 +585,10 @@
 		pr_err("%s_tables: %s target: used from hooks %s, but only "
 		       "usable from %s\n",
 		       xt_prefix[par->family], par->target->name,
-		       textify_hooks(used, sizeof(used), par->hook_mask),
-		       textify_hooks(allow, sizeof(allow), par->target->hooks));
+		       textify_hooks(used, sizeof(used), par->hook_mask,
+		                     par->family),
+		       textify_hooks(allow, sizeof(allow), par->target->hooks,
+		                     par->family));
 		return -EINVAL;
 	}
 	if (par->target->proto && (par->target->proto != proto || inv_proto)) {
diff --git a/net/netfilter/xt_CT.c b/net/netfilter/xt_CT.c
index 2a08430..bde009e 100644
--- a/net/netfilter/xt_CT.c
+++ b/net/netfilter/xt_CT.c
@@ -109,7 +109,7 @@
 	struct xt_ct_target_info *info = par->targinfo;
 	struct nf_conntrack_tuple t;
 	struct nf_conn *ct;
-	int ret;
+	int ret = -EOPNOTSUPP;
 
 	if (info->flags & ~XT_CT_NOTRACK)
 		return -EINVAL;
@@ -247,7 +247,7 @@
 	struct xt_ct_target_info_v1 *info = par->targinfo;
 	struct nf_conntrack_tuple t;
 	struct nf_conn *ct;
-	int ret;
+	int ret = -EOPNOTSUPP;
 
 	if (info->flags & ~XT_CT_NOTRACK)
 		return -EINVAL;
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index 379c81d..9bcdbd0 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -224,7 +224,7 @@
 
 /* Free the outqueue structure and any related pending chunks.
  */
-void sctp_outq_teardown(struct sctp_outq *q)
+static void __sctp_outq_teardown(struct sctp_outq *q)
 {
 	struct sctp_transport *transport;
 	struct list_head *lchunk, *temp;
@@ -277,8 +277,6 @@
 		sctp_chunk_free(chunk);
 	}
 
-	q->error = 0;
-
 	/* Throw away any leftover control chunks. */
 	list_for_each_entry_safe(chunk, tmp, &q->control_chunk_list, list) {
 		list_del_init(&chunk->list);
@@ -286,11 +284,17 @@
 	}
 }
 
+void sctp_outq_teardown(struct sctp_outq *q)
+{
+	__sctp_outq_teardown(q);
+	sctp_outq_init(q->asoc, q);
+}
+
 /* Free the outqueue structure and any related pending chunks.  */
 void sctp_outq_free(struct sctp_outq *q)
 {
 	/* Throw away leftover chunks. */
-	sctp_outq_teardown(q);
+	__sctp_outq_teardown(q);
 
 	/* If we were kmalloc()'d, free the memory.  */
 	if (q->malloced)
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index 618ec7e..5131fcf 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -1779,8 +1779,10 @@
 
 	/* Update the content of current association. */
 	sctp_add_cmd_sf(commands, SCTP_CMD_UPDATE_ASSOC, SCTP_ASOC(new_asoc));
-	sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(repl));
 	sctp_add_cmd_sf(commands, SCTP_CMD_EVENT_ULP, SCTP_ULPEVENT(ev));
+	sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE,
+			SCTP_STATE(SCTP_STATE_ESTABLISHED));
+	sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(repl));
 	return SCTP_DISPOSITION_CONSUME;
 
 nomem_ev:
diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c
index 043889a..bf3c6e8 100644
--- a/net/sctp/sysctl.c
+++ b/net/sctp/sysctl.c
@@ -366,7 +366,11 @@
 
 void sctp_sysctl_net_unregister(struct net *net)
 {
+	struct ctl_table *table;
+
+	table = net->sctp.sysctl_header->ctl_table_arg;
 	unregister_net_sysctl_table(net->sctp.sysctl_header);
+	kfree(table);
 }
 
 static struct ctl_table_header * sctp_sysctl_header;
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index bfa3171..fb20f25 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -98,9 +98,25 @@
 	list_add(&task->u.tk_wait.timer_list, &queue->timer_list.list);
 }
 
+static void rpc_rotate_queue_owner(struct rpc_wait_queue *queue)
+{
+	struct list_head *q = &queue->tasks[queue->priority];
+	struct rpc_task *task;
+
+	if (!list_empty(q)) {
+		task = list_first_entry(q, struct rpc_task, u.tk_wait.list);
+		if (task->tk_owner == queue->owner)
+			list_move_tail(&task->u.tk_wait.list, q);
+	}
+}
+
 static void rpc_set_waitqueue_priority(struct rpc_wait_queue *queue, int priority)
 {
-	queue->priority = priority;
+	if (queue->priority != priority) {
+		/* Fairness: rotate the list when changing priority */
+		rpc_rotate_queue_owner(queue);
+		queue->priority = priority;
+	}
 }
 
 static void rpc_set_waitqueue_owner(struct rpc_wait_queue *queue, pid_t pid)
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 41eabc4..07c5857 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -2656,7 +2656,7 @@
 		WARN_ON(!hlist_empty(&net->xfrm.policy_inexact[dir]));
 
 		htab = &net->xfrm.policy_bydst[dir];
-		sz = (htab->hmask + 1);
+		sz = (htab->hmask + 1) * sizeof(struct hlist_head);
 		WARN_ON(!hlist_empty(htab->table));
 		xfrm_hash_free(htab->table, sz);
 	}
diff --git a/net/xfrm/xfrm_replay.c b/net/xfrm/xfrm_replay.c
index 765f6fe..35754cc 100644
--- a/net/xfrm/xfrm_replay.c
+++ b/net/xfrm/xfrm_replay.c
@@ -242,11 +242,13 @@
 	u32 diff;
 	struct xfrm_replay_state_esn *replay_esn = x->replay_esn;
 	u32 seq = ntohl(net_seq);
-	u32 pos = (replay_esn->seq - 1) % replay_esn->replay_window;
+	u32 pos;
 
 	if (!replay_esn->replay_window)
 		return;
 
+	pos = (replay_esn->seq - 1) % replay_esn->replay_window;
+
 	if (seq > replay_esn->seq) {
 		diff = seq - replay_esn->seq;
 
diff --git a/security/capability.c b/security/capability.c
index 0fe5a02..5797750 100644
--- a/security/capability.c
+++ b/security/capability.c
@@ -709,16 +709,31 @@
 {
 }
 
+static int cap_tun_dev_alloc_security(void **security)
+{
+	return 0;
+}
+
+static void cap_tun_dev_free_security(void *security)
+{
+}
+
 static int cap_tun_dev_create(void)
 {
 	return 0;
 }
 
-static void cap_tun_dev_post_create(struct sock *sk)
+static int cap_tun_dev_attach_queue(void *security)
 {
+	return 0;
 }
 
-static int cap_tun_dev_attach(struct sock *sk)
+static int cap_tun_dev_attach(struct sock *sk, void *security)
+{
+	return 0;
+}
+
+static int cap_tun_dev_open(void *security)
 {
 	return 0;
 }
@@ -1050,8 +1065,11 @@
 	set_to_cap_if_null(ops, secmark_refcount_inc);
 	set_to_cap_if_null(ops, secmark_refcount_dec);
 	set_to_cap_if_null(ops, req_classify_flow);
+	set_to_cap_if_null(ops, tun_dev_alloc_security);
+	set_to_cap_if_null(ops, tun_dev_free_security);
 	set_to_cap_if_null(ops, tun_dev_create);
-	set_to_cap_if_null(ops, tun_dev_post_create);
+	set_to_cap_if_null(ops, tun_dev_open);
+	set_to_cap_if_null(ops, tun_dev_attach_queue);
 	set_to_cap_if_null(ops, tun_dev_attach);
 #endif	/* CONFIG_SECURITY_NETWORK */
 #ifdef CONFIG_SECURITY_NETWORK_XFRM
diff --git a/security/device_cgroup.c b/security/device_cgroup.c
index 19ecc8d..d794abc 100644
--- a/security/device_cgroup.c
+++ b/security/device_cgroup.c
@@ -215,7 +215,9 @@
 	struct dev_cgroup *dev_cgroup;
 
 	dev_cgroup = cgroup_to_devcgroup(cgroup);
+	mutex_lock(&devcgroup_mutex);
 	dev_exception_clean(dev_cgroup);
+	mutex_unlock(&devcgroup_mutex);
 	kfree(dev_cgroup);
 }
 
diff --git a/security/integrity/evm/evm_crypto.c b/security/integrity/evm/evm_crypto.c
index dfb2691..7dd538e 100644
--- a/security/integrity/evm/evm_crypto.c
+++ b/security/integrity/evm/evm_crypto.c
@@ -205,9 +205,9 @@
 		rc = __vfs_setxattr_noperm(dentry, XATTR_NAME_EVM,
 					   &xattr_data,
 					   sizeof(xattr_data), 0);
-	}
-	else if (rc == -ENODATA)
+	} else if (rc == -ENODATA && inode->i_op->removexattr) {
 		rc = inode->i_op->removexattr(dentry, XATTR_NAME_EVM);
+	}
 	return rc;
 }
 
diff --git a/security/security.c b/security/security.c
index daa97f4..7b88c6a 100644
--- a/security/security.c
+++ b/security/security.c
@@ -1254,24 +1254,42 @@
 }
 EXPORT_SYMBOL(security_secmark_refcount_dec);
 
+int security_tun_dev_alloc_security(void **security)
+{
+	return security_ops->tun_dev_alloc_security(security);
+}
+EXPORT_SYMBOL(security_tun_dev_alloc_security);
+
+void security_tun_dev_free_security(void *security)
+{
+	security_ops->tun_dev_free_security(security);
+}
+EXPORT_SYMBOL(security_tun_dev_free_security);
+
 int security_tun_dev_create(void)
 {
 	return security_ops->tun_dev_create();
 }
 EXPORT_SYMBOL(security_tun_dev_create);
 
-void security_tun_dev_post_create(struct sock *sk)
+int security_tun_dev_attach_queue(void *security)
 {
-	return security_ops->tun_dev_post_create(sk);
+	return security_ops->tun_dev_attach_queue(security);
 }
-EXPORT_SYMBOL(security_tun_dev_post_create);
+EXPORT_SYMBOL(security_tun_dev_attach_queue);
 
-int security_tun_dev_attach(struct sock *sk)
+int security_tun_dev_attach(struct sock *sk, void *security)
 {
-	return security_ops->tun_dev_attach(sk);
+	return security_ops->tun_dev_attach(sk, security);
 }
 EXPORT_SYMBOL(security_tun_dev_attach);
 
+int security_tun_dev_open(void *security)
+{
+	return security_ops->tun_dev_open(security);
+}
+EXPORT_SYMBOL(security_tun_dev_open);
+
 #endif	/* CONFIG_SECURITY_NETWORK */
 
 #ifdef CONFIG_SECURITY_NETWORK_XFRM
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 61a5336..ef26e96 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -4399,6 +4399,24 @@
 	fl->flowi_secid = req->secid;
 }
 
+static int selinux_tun_dev_alloc_security(void **security)
+{
+	struct tun_security_struct *tunsec;
+
+	tunsec = kzalloc(sizeof(*tunsec), GFP_KERNEL);
+	if (!tunsec)
+		return -ENOMEM;
+	tunsec->sid = current_sid();
+
+	*security = tunsec;
+	return 0;
+}
+
+static void selinux_tun_dev_free_security(void *security)
+{
+	kfree(security);
+}
+
 static int selinux_tun_dev_create(void)
 {
 	u32 sid = current_sid();
@@ -4414,8 +4432,17 @@
 			    NULL);
 }
 
-static void selinux_tun_dev_post_create(struct sock *sk)
+static int selinux_tun_dev_attach_queue(void *security)
 {
+	struct tun_security_struct *tunsec = security;
+
+	return avc_has_perm(current_sid(), tunsec->sid, SECCLASS_TUN_SOCKET,
+			    TUN_SOCKET__ATTACH_QUEUE, NULL);
+}
+
+static int selinux_tun_dev_attach(struct sock *sk, void *security)
+{
+	struct tun_security_struct *tunsec = security;
 	struct sk_security_struct *sksec = sk->sk_security;
 
 	/* we don't currently perform any NetLabel based labeling here and it
@@ -4425,20 +4452,19 @@
 	 * cause confusion to the TUN user that had no idea network labeling
 	 * protocols were being used */
 
-	/* see the comments in selinux_tun_dev_create() about why we don't use
-	 * the sockcreate SID here */
-
-	sksec->sid = current_sid();
+	sksec->sid = tunsec->sid;
 	sksec->sclass = SECCLASS_TUN_SOCKET;
+
+	return 0;
 }
 
-static int selinux_tun_dev_attach(struct sock *sk)
+static int selinux_tun_dev_open(void *security)
 {
-	struct sk_security_struct *sksec = sk->sk_security;
+	struct tun_security_struct *tunsec = security;
 	u32 sid = current_sid();
 	int err;
 
-	err = avc_has_perm(sid, sksec->sid, SECCLASS_TUN_SOCKET,
+	err = avc_has_perm(sid, tunsec->sid, SECCLASS_TUN_SOCKET,
 			   TUN_SOCKET__RELABELFROM, NULL);
 	if (err)
 		return err;
@@ -4446,8 +4472,7 @@
 			   TUN_SOCKET__RELABELTO, NULL);
 	if (err)
 		return err;
-
-	sksec->sid = sid;
+	tunsec->sid = sid;
 
 	return 0;
 }
@@ -5642,9 +5667,12 @@
 	.secmark_refcount_inc =		selinux_secmark_refcount_inc,
 	.secmark_refcount_dec =		selinux_secmark_refcount_dec,
 	.req_classify_flow =		selinux_req_classify_flow,
+	.tun_dev_alloc_security =	selinux_tun_dev_alloc_security,
+	.tun_dev_free_security =	selinux_tun_dev_free_security,
 	.tun_dev_create =		selinux_tun_dev_create,
-	.tun_dev_post_create = 		selinux_tun_dev_post_create,
+	.tun_dev_attach_queue =		selinux_tun_dev_attach_queue,
 	.tun_dev_attach =		selinux_tun_dev_attach,
+	.tun_dev_open =			selinux_tun_dev_open,
 
 #ifdef CONFIG_SECURITY_NETWORK_XFRM
 	.xfrm_policy_alloc_security =	selinux_xfrm_policy_alloc,
diff --git a/security/selinux/include/classmap.h b/security/selinux/include/classmap.h
index df2de54..14d04e6 100644
--- a/security/selinux/include/classmap.h
+++ b/security/selinux/include/classmap.h
@@ -150,6 +150,6 @@
 	    NULL } },
 	{ "kernel_service", { "use_as_override", "create_files_as", NULL } },
 	{ "tun_socket",
-	  { COMMON_SOCK_PERMS, NULL } },
+	  { COMMON_SOCK_PERMS, "attach_queue", NULL } },
 	{ NULL }
   };
diff --git a/security/selinux/include/objsec.h b/security/selinux/include/objsec.h
index 26c7eee..aa47bca 100644
--- a/security/selinux/include/objsec.h
+++ b/security/selinux/include/objsec.h
@@ -110,6 +110,10 @@
 	u16 sclass;			/* sock security class */
 };
 
+struct tun_security_struct {
+	u32 sid;			/* SID for the tun device sockets */
+};
+
 struct key_security_struct {
 	u32 sid;	/* SID of key */
 };
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index b8fb0a5..822df97 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -3654,6 +3654,7 @@
 	hda_set_power_state(codec, AC_PWRST_D0);
 	restore_shutup_pins(codec);
 	hda_exec_init_verbs(codec);
+	snd_hda_jack_set_dirty_all(codec);
 	if (codec->patch_ops.resume)
 		codec->patch_ops.resume(codec);
 	else {
@@ -3665,10 +3666,8 @@
 
 	if (codec->jackpoll_interval)
 		hda_jackpoll_work(&codec->jackpoll_work.work);
-	else {
-		snd_hda_jack_set_dirty_all(codec);
+	else
 		snd_hda_jack_report_sync(codec);
-	}
 
 	codec->in_pm = 0;
 	snd_hda_power_down(codec); /* flag down before returning */
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 0b6aeba..c78286f 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -656,29 +656,43 @@
 #define get_azx_dev(substream) (substream->runtime->private_data)
 
 #ifdef CONFIG_X86
-static void __mark_pages_wc(struct azx *chip, void *addr, size_t size, bool on)
+static void __mark_pages_wc(struct azx *chip, struct snd_dma_buffer *dmab, bool on)
 {
+	int pages;
+
 	if (azx_snoop(chip))
 		return;
-	if (addr && size) {
-		int pages = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
+	if (!dmab || !dmab->area || !dmab->bytes)
+		return;
+
+#ifdef CONFIG_SND_DMA_SGBUF
+	if (dmab->dev.type == SNDRV_DMA_TYPE_DEV_SG) {
+		struct snd_sg_buf *sgbuf = dmab->private_data;
 		if (on)
-			set_memory_wc((unsigned long)addr, pages);
+			set_pages_array_wc(sgbuf->page_table, sgbuf->pages);
 		else
-			set_memory_wb((unsigned long)addr, pages);
+			set_pages_array_wb(sgbuf->page_table, sgbuf->pages);
+		return;
 	}
+#endif
+
+	pages = (dmab->bytes + PAGE_SIZE - 1) >> PAGE_SHIFT;
+	if (on)
+		set_memory_wc((unsigned long)dmab->area, pages);
+	else
+		set_memory_wb((unsigned long)dmab->area, pages);
 }
 
 static inline void mark_pages_wc(struct azx *chip, struct snd_dma_buffer *buf,
 				 bool on)
 {
-	__mark_pages_wc(chip, buf->area, buf->bytes, on);
+	__mark_pages_wc(chip, buf, on);
 }
 static inline void mark_runtime_wc(struct azx *chip, struct azx_dev *azx_dev,
-				   struct snd_pcm_runtime *runtime, bool on)
+				   struct snd_pcm_substream *substream, bool on)
 {
 	if (azx_dev->wc_marked != on) {
-		__mark_pages_wc(chip, runtime->dma_area, runtime->dma_bytes, on);
+		__mark_pages_wc(chip, snd_pcm_get_dma_buf(substream), on);
 		azx_dev->wc_marked = on;
 	}
 }
@@ -689,7 +703,7 @@
 {
 }
 static inline void mark_runtime_wc(struct azx *chip, struct azx_dev *azx_dev,
-				   struct snd_pcm_runtime *runtime, bool on)
+				   struct snd_pcm_substream *substream, bool on)
 {
 }
 #endif
@@ -1968,11 +1982,10 @@
 {
 	struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
 	struct azx *chip = apcm->chip;
-	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct azx_dev *azx_dev = get_azx_dev(substream);
 	int ret;
 
-	mark_runtime_wc(chip, azx_dev, runtime, false);
+	mark_runtime_wc(chip, azx_dev, substream, false);
 	azx_dev->bufsize = 0;
 	azx_dev->period_bytes = 0;
 	azx_dev->format_val = 0;
@@ -1980,7 +1993,7 @@
 					params_buffer_bytes(hw_params));
 	if (ret < 0)
 		return ret;
-	mark_runtime_wc(chip, azx_dev, runtime, true);
+	mark_runtime_wc(chip, azx_dev, substream, true);
 	return ret;
 }
 
@@ -1989,7 +2002,6 @@
 	struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
 	struct azx_dev *azx_dev = get_azx_dev(substream);
 	struct azx *chip = apcm->chip;
-	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
 
 	/* reset BDL address */
@@ -2002,7 +2014,7 @@
 
 	snd_hda_codec_cleanup(apcm->codec, hinfo, substream);
 
-	mark_runtime_wc(chip, azx_dev, runtime, false);
+	mark_runtime_wc(chip, azx_dev, substream, false);
 	return snd_pcm_lib_free_pages(substream);
 }
 
@@ -3613,13 +3625,12 @@
 	/* 5 Series/3400 */
 	{ PCI_DEVICE(0x8086, 0x3b56),
 	  .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH },
-	/* SCH */
+	/* Poulsbo */
 	{ PCI_DEVICE(0x8086, 0x811b),
-	  .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_SCH_SNOOP |
-	  AZX_DCAPS_BUFSIZE | AZX_DCAPS_POSFIX_LPIB }, /* Poulsbo */
+	  .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_NOPM },
+	/* Oaktrail */
 	{ PCI_DEVICE(0x8086, 0x080a),
-	  .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_SCH_SNOOP |
-	  AZX_DCAPS_BUFSIZE | AZX_DCAPS_POSFIX_LPIB }, /* Oaktrail */
+	  .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_NOPM },
 	/* ICH */
 	{ PCI_DEVICE(0x8086, 0x2668),
 	  .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_OLD_SSYNC |
diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index dd798c3..009b77a 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -4636,6 +4636,12 @@
 	  .patch = patch_conexant_auto },
 	{ .id = 0x14f15111, .name = "CX20753/4",
 	  .patch = patch_conexant_auto },
+	{ .id = 0x14f15113, .name = "CX20755",
+	  .patch = patch_conexant_auto },
+	{ .id = 0x14f15114, .name = "CX20756",
+	  .patch = patch_conexant_auto },
+	{ .id = 0x14f15115, .name = "CX20757",
+	  .patch = patch_conexant_auto },
 	{} /* terminator */
 };
 
@@ -4659,6 +4665,9 @@
 MODULE_ALIAS("snd-hda-codec-id:14f1510f");
 MODULE_ALIAS("snd-hda-codec-id:14f15110");
 MODULE_ALIAS("snd-hda-codec-id:14f15111");
+MODULE_ALIAS("snd-hda-codec-id:14f15113");
+MODULE_ALIAS("snd-hda-codec-id:14f15114");
+MODULE_ALIAS("snd-hda-codec-id:14f15115");
 
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("Conexant HD-audio codec");
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index f519627..5faaad2 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -4694,6 +4694,7 @@
 	SND_PCI_QUIRK(0x1584, 0x9077, "Uniwill P53", ALC880_FIXUP_VOL_KNOB),
 	SND_PCI_QUIRK(0x161f, 0x203d, "W810", ALC880_FIXUP_W810),
 	SND_PCI_QUIRK(0x161f, 0x205d, "Medion Rim 2150", ALC880_FIXUP_MEDION_RIM),
+	SND_PCI_QUIRK(0x1631, 0xe011, "PB 13201056", ALC880_FIXUP_6ST),
 	SND_PCI_QUIRK(0x1734, 0x107c, "FSC F1734", ALC880_FIXUP_F1734),
 	SND_PCI_QUIRK(0x1734, 0x1094, "FSC Amilo M1451G", ALC880_FIXUP_FUJITSU),
 	SND_PCI_QUIRK(0x1734, 0x10ac, "FSC AMILO Xi 1526", ALC880_FIXUP_F1734),
@@ -5708,6 +5709,7 @@
 };
 
 static const struct snd_pci_quirk alc268_fixup_tbl[] = {
+	SND_PCI_QUIRK(0x1025, 0x015b, "Acer AOA 150 (ZG5)", ALC268_FIXUP_INV_DMIC),
 	/* below is codec SSID since multiple Toshiba laptops have the
 	 * same PCI SSID 1179:ff00
 	 */
@@ -6251,6 +6253,7 @@
 	SND_PCI_QUIRK(0x1025, 0x0349, "Acer AOD260", ALC269_FIXUP_INV_DMIC),
 	SND_PCI_QUIRK(0x103c, 0x1586, "HP", ALC269_FIXUP_MIC2_MUTE_LED),
 	SND_PCI_QUIRK(0x103c, 0x1972, "HP Pavilion 17", ALC269_FIXUP_MIC1_MUTE_LED),
+	SND_PCI_QUIRK(0x103c, 0x1977, "HP Pavilion 14", ALC269_FIXUP_MIC1_MUTE_LED),
 	SND_PCI_QUIRK(0x1043, 0x1427, "Asus Zenbook UX31E", ALC269VB_FIXUP_DMIC),
 	SND_PCI_QUIRK(0x1043, 0x1517, "Asus Zenbook UX31A", ALC269VB_FIXUP_DMIC),
 	SND_PCI_QUIRK(0x1043, 0x1a13, "Asus G73Jw", ALC269_FIXUP_ASUS_G73JW),
@@ -6265,6 +6268,7 @@
 	SND_PCI_QUIRK(0x104d, 0x9084, "Sony VAIO", ALC275_FIXUP_SONY_HWEQ),
 	SND_PCI_QUIRK_VENDOR(0x104d, "Sony VAIO", ALC269_FIXUP_SONY_VAIO),
 	SND_PCI_QUIRK(0x1028, 0x0470, "Dell M101z", ALC269_FIXUP_DELL_M101Z),
+	SND_PCI_QUIRK(0x1025, 0x0740, "Acer AO725", ALC271_FIXUP_HP_GATE_MIC_JACK),
 	SND_PCI_QUIRK(0x1025, 0x0742, "Acer AO756", ALC271_FIXUP_HP_GATE_MIC_JACK),
 	SND_PCI_QUIRK_VENDOR(0x1025, "Acer Aspire", ALC271_FIXUP_DMIC),
 	SND_PCI_QUIRK(0x10cf, 0x1475, "Lifebook", ALC269_FIXUP_LIFEBOOK),
diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c
index 1d8bb59..ef62c43 100644
--- a/sound/soc/codecs/arizona.c
+++ b/sound/soc/codecs/arizona.c
@@ -685,7 +685,7 @@
 	}
 	sr_val = i;
 
-	lrclk = snd_soc_params_to_bclk(params) / params_rate(params);
+	lrclk = rates[bclk] / params_rate(params);
 
 	arizona_aif_dbg(dai, "BCLK %dHz LRCLK %dHz\n",
 			rates[bclk], rates[bclk] / lrclk);
@@ -1082,6 +1082,9 @@
 			id, ret);
 	}
 
+	regmap_update_bits(arizona->regmap, fll->base + 1,
+			   ARIZONA_FLL1_FREERUN, 0);
+
 	return 0;
 }
 EXPORT_SYMBOL_GPL(arizona_init_fll);
diff --git a/sound/soc/codecs/wm2200.c b/sound/soc/codecs/wm2200.c
index e6cefe1..d8c65f5 100644
--- a/sound/soc/codecs/wm2200.c
+++ b/sound/soc/codecs/wm2200.c
@@ -1019,8 +1019,6 @@
 	"EQR",
 	"LHPF1",
 	"LHPF2",
-	"LHPF3",
-	"LHPF4",
 	"DSP1.1",
 	"DSP1.2",
 	"DSP1.3",
@@ -1053,7 +1051,6 @@
 	0x25,
 	0x50,   /* EQ */
 	0x51,
-	0x52,
 	0x60,   /* LHPF1 */
 	0x61,   /* LHPF2 */
 	0x68,   /* DSP1 */
diff --git a/sound/soc/codecs/wm5102.c b/sound/soc/codecs/wm5102.c
index 7a9048d..1440b3f 100644
--- a/sound/soc/codecs/wm5102.c
+++ b/sound/soc/codecs/wm5102.c
@@ -896,8 +896,7 @@
 
 static const struct soc_enum wm5102_aec_loopback =
 	SOC_VALUE_ENUM_SINGLE(ARIZONA_DAC_AEC_CONTROL_1,
-			      ARIZONA_AEC_LOOPBACK_SRC_SHIFT,
-			      ARIZONA_AEC_LOOPBACK_SRC_MASK,
+			      ARIZONA_AEC_LOOPBACK_SRC_SHIFT, 0xf,
 			      ARRAY_SIZE(wm5102_aec_loopback_texts),
 			      wm5102_aec_loopback_texts,
 			      wm5102_aec_loopback_values);
diff --git a/sound/soc/codecs/wm5110.c b/sound/soc/codecs/wm5110.c
index ae80c8c..7a09096 100644
--- a/sound/soc/codecs/wm5110.c
+++ b/sound/soc/codecs/wm5110.c
@@ -344,8 +344,7 @@
 
 static const struct soc_enum wm5110_aec_loopback =
 	SOC_VALUE_ENUM_SINGLE(ARIZONA_DAC_AEC_CONTROL_1,
-			      ARIZONA_AEC_LOOPBACK_SRC_SHIFT,
-			      ARIZONA_AEC_LOOPBACK_SRC_MASK,
+			      ARIZONA_AEC_LOOPBACK_SRC_SHIFT, 0xf,
 			      ARRAY_SIZE(wm5110_aec_loopback_texts),
 			      wm5110_aec_loopback_texts,
 			      wm5110_aec_loopback_values);
diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index 7b198c3..b6b6548 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -324,7 +324,7 @@
 
 		if (reg) {
 			buf = kmemdup(region->data, le32_to_cpu(region->len),
-				      GFP_KERNEL);
+				      GFP_KERNEL | GFP_DMA);
 			if (!buf) {
 				adsp_err(dsp, "Out of memory\n");
 				return -ENOMEM;
@@ -396,7 +396,7 @@
 	hdr = (void*)&firmware->data[0];
 	if (memcmp(hdr->magic, "WMDR", 4) != 0) {
 		adsp_err(dsp, "%s: invalid magic\n", file);
-		return -EINVAL;
+		goto out_fw;
 	}
 
 	adsp_dbg(dsp, "%s: v%d.%d.%d\n", file,
@@ -439,7 +439,7 @@
 
 		if (reg) {
 			buf = kmemdup(blk->data, le32_to_cpu(blk->len),
-				      GFP_KERNEL);
+				      GFP_KERNEL | GFP_DMA);
 			if (!buf) {
 				adsp_err(dsp, "Out of memory\n");
 				return -ENOMEM;
diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig
index 3b98159..a210c8d 100644
--- a/sound/soc/fsl/Kconfig
+++ b/sound/soc/fsl/Kconfig
@@ -108,18 +108,13 @@
 config SND_SOC_IMX_SSI
 	tristate
 
-config SND_SOC_IMX_PCM
-	tristate
-
 config SND_SOC_IMX_PCM_FIQ
-	bool
+	tristate
 	select FIQ
-	select SND_SOC_IMX_PCM
 
 config SND_SOC_IMX_PCM_DMA
-	bool
+	tristate
 	select SND_SOC_DMAENGINE_PCM
-	select SND_SOC_IMX_PCM
 
 config SND_SOC_IMX_AUDMUX
 	tristate
diff --git a/sound/soc/fsl/Makefile b/sound/soc/fsl/Makefile
index afd3479..ec14579 100644
--- a/sound/soc/fsl/Makefile
+++ b/sound/soc/fsl/Makefile
@@ -41,7 +41,10 @@
 obj-$(CONFIG_SND_SOC_IMX_SSI) += snd-soc-imx-ssi.o
 obj-$(CONFIG_SND_SOC_IMX_AUDMUX) += snd-soc-imx-audmux.o
 
-obj-$(CONFIG_SND_SOC_IMX_PCM) += snd-soc-imx-pcm.o
+obj-$(CONFIG_SND_SOC_IMX_PCM_FIQ) += snd-soc-imx-pcm-fiq.o
+snd-soc-imx-pcm-fiq-y := imx-pcm-fiq.o imx-pcm.o
+obj-$(CONFIG_SND_SOC_IMX_PCM_DMA) += snd-soc-imx-pcm-dma.o
+snd-soc-imx-pcm-dma-y := imx-pcm-dma.o imx-pcm.o
 
 # i.MX Machine Support
 snd-soc-eukrea-tlv320-objs := eukrea-tlv320.o
diff --git a/sound/soc/fsl/imx-pcm.c b/sound/soc/fsl/imx-pcm.c
index d5cd9ef..0c9f188 100644
--- a/sound/soc/fsl/imx-pcm.c
+++ b/sound/soc/fsl/imx-pcm.c
@@ -31,7 +31,6 @@
 			runtime->dma_bytes);
 	return ret;
 }
-EXPORT_SYMBOL_GPL(snd_imx_pcm_mmap);
 
 static int imx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream)
 {
@@ -80,7 +79,6 @@
 out:
 	return ret;
 }
-EXPORT_SYMBOL_GPL(imx_pcm_new);
 
 void imx_pcm_free(struct snd_pcm *pcm)
 {
@@ -102,7 +100,6 @@
 		buf->area = NULL;
 	}
 }
-EXPORT_SYMBOL_GPL(imx_pcm_free);
 
 MODULE_DESCRIPTION("Freescale i.MX PCM driver");
 MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>");
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 1e36bc8..258acad 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -1023,7 +1023,7 @@
 
 	if (SND_SOC_DAPM_EVENT_ON(event)) {
 		if (w->invert & SND_SOC_DAPM_REGULATOR_BYPASS) {
-			ret = regulator_allow_bypass(w->regulator, true);
+			ret = regulator_allow_bypass(w->regulator, false);
 			if (ret != 0)
 				dev_warn(w->dapm->dev,
 					 "ASoC: Failed to bypass %s: %d\n",
@@ -1033,7 +1033,7 @@
 		return regulator_enable(w->regulator);
 	} else {
 		if (w->invert & SND_SOC_DAPM_REGULATOR_BYPASS) {
-			ret = regulator_allow_bypass(w->regulator, false);
+			ret = regulator_allow_bypass(w->regulator, true);
 			if (ret != 0)
 				dev_warn(w->dapm->dev,
 					 "ASoC: Failed to unbypass %s: %d\n",
@@ -3039,6 +3039,14 @@
 				w->name, ret);
 			return NULL;
 		}
+
+		if (w->invert & SND_SOC_DAPM_REGULATOR_BYPASS) {
+			ret = regulator_allow_bypass(w->regulator, true);
+			if (ret != 0)
+				dev_warn(w->dapm->dev,
+					 "ASoC: Failed to unbypass %s: %d\n",
+					 w->name, ret);
+		}
 		break;
 	case snd_soc_dapm_clock_supply:
 #ifdef CONFIG_CLKDEV_LOOKUP
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index ed4d89c..e90daf8 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -1331,16 +1331,23 @@
 		}
 		channels = (hdr->bLength - 7) / csize - 1;
 		bmaControls = hdr->bmaControls;
+		if (hdr->bLength < 7 + csize) {
+			snd_printk(KERN_ERR "usbaudio: unit %u: "
+				   "invalid UAC_FEATURE_UNIT descriptor\n",
+				   unitid);
+			return -EINVAL;
+		}
 	} else {
 		struct uac2_feature_unit_descriptor *ftr = _ftr;
 		csize = 4;
 		channels = (hdr->bLength - 6) / 4 - 1;
 		bmaControls = ftr->bmaControls;
-	}
-
-	if (hdr->bLength < 7 || !csize || hdr->bLength < 7 + csize) {
-		snd_printk(KERN_ERR "usbaudio: unit %u: invalid UAC_FEATURE_UNIT descriptor\n", unitid);
-		return -EINVAL;
+		if (hdr->bLength < 6 + csize) {
+			snd_printk(KERN_ERR "usbaudio: unit %u: "
+				   "invalid UAC_FEATURE_UNIT descriptor\n",
+				   unitid);
+			return -EINVAL;
+		}
 	}
 
 	/* parse the source unit */
diff --git a/tools/perf/MANIFEST b/tools/perf/MANIFEST
index 80db3f4..39d4106 100644
--- a/tools/perf/MANIFEST
+++ b/tools/perf/MANIFEST
@@ -11,11 +11,21 @@
 include/linux/swab.h
 arch/*/include/asm/unistd*.h
 arch/*/include/asm/perf_regs.h
+arch/*/include/uapi/asm/unistd*.h
+arch/*/include/uapi/asm/perf_regs.h
 arch/*/lib/memcpy*.S
 arch/*/lib/memset*.S
 include/linux/poison.h
 include/linux/magic.h
 include/linux/hw_breakpoint.h
+include/linux/rbtree_augmented.h
+include/uapi/linux/perf_event.h
+include/uapi/linux/const.h
+include/uapi/linux/swab.h
+include/uapi/linux/hw_breakpoint.h
 arch/x86/include/asm/svm.h
 arch/x86/include/asm/vmx.h
 arch/x86/include/asm/kvm_host.h
+arch/x86/include/uapi/asm/svm.h
+arch/x86/include/uapi/asm/vmx.h
+arch/x86/include/uapi/asm/kvm.h
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 891bc77..8ab05e5 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -58,7 +58,7 @@
 				  -e s/arm.*/arm/ -e s/sa110/arm/ \
 				  -e s/s390x/s390/ -e s/parisc64/parisc/ \
 				  -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
-				  -e s/sh[234].*/sh/ )
+				  -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ )
 NO_PERF_REGS := 1
 
 CC = $(CROSS_COMPILE)gcc