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/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/hid/hid-sensor.txt b/Documentation/hid/hid-sensor.txt
old mode 100755
new mode 100644
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 363e348..6c72381 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2438,7 +2438,7 @@
 			real-time workloads.  It can also improve energy
 			efficiency for asymmetric multiprocessors.
 
-	rcu_nocbs_poll	[KNL,BOOT]
+	rcu_nocb_poll	[KNL,BOOT]
 			Rather than requiring that offloaded CPUs
 			(specified by rcu_nocbs= above) explicitly
 			awaken the corresponding "rcuoN" kthreads,
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 8ae709e..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
@@ -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 2cd4c6b..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"
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-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/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/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/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/mm/hash_low_64.S b/arch/powerpc/mm/hash_low_64.S
index 5658508..7443481 100644
--- a/arch/powerpc/mm/hash_low_64.S
+++ b/arch/powerpc/mm/hash_low_64.S
@@ -115,11 +115,13 @@
 	sldi	r29,r5,SID_SHIFT - VPN_SHIFT
 	rldicl  r28,r3,64 - VPN_SHIFT,64 - (SID_SHIFT - VPN_SHIFT)
 	or	r29,r28,r29
-
-	/* Calculate hash value for primary slot and store it in r28 */
-	rldicl	r5,r5,0,25		/* vsid & 0x0000007fffffffff */
-	rldicl	r0,r3,64-12,48		/* (ea >> 12) & 0xffff */
-	xor	r28,r5,r0
+	/*
+	 * Calculate hash value for primary slot and store it in r28
+	 * r3 = va, r5 = vsid
+	 * r0 = (va >> 12) & ((1ul << (28 - 12)) -1)
+	 */
+	rldicl	r0,r3,64-12,48
+	xor	r28,r5,r0		/* hash */
 	b	4f
 
 3:	/* Calc vpn and put it in r29 */
@@ -130,11 +132,12 @@
 	/*
 	 * calculate hash value for primary slot and
 	 * store it in r28 for 1T segment
+	 * r3 = va, r5 = vsid
 	 */
-	rldic	r28,r5,25,25		/* (vsid << 25) & 0x7fffffffff */
-	clrldi	r5,r5,40		/* vsid & 0xffffff */
-	rldicl	r0,r3,64-12,36		/* (ea >> 12) & 0xfffffff */
-	xor	r28,r28,r5
+	sldi	r28,r5,25		/* vsid << 25 */
+	/* r0 =  (va >> 12) & ((1ul << (40 - 12)) -1) */
+	rldicl	r0,r3,64-12,36
+	xor	r28,r28,r5		/* vsid ^ ( vsid << 25) */
 	xor	r28,r28,r0		/* hash */
 
 	/* Convert linux PTE bits into HW equivalents */
@@ -407,11 +410,13 @@
 	 */
 	rldicl  r28,r3,64 - VPN_SHIFT,64 - (SID_SHIFT - VPN_SHIFT)
 	or	r29,r28,r29
-
-	/* Calculate hash value for primary slot and store it in r28 */
-	rldicl	r5,r5,0,25		/* vsid & 0x0000007fffffffff */
-	rldicl	r0,r3,64-12,48		/* (ea >> 12) & 0xffff */
-	xor	r28,r5,r0
+	/*
+	 * Calculate hash value for primary slot and store it in r28
+	 * r3 = va, r5 = vsid
+	 * r0 = (va >> 12) & ((1ul << (28 - 12)) -1)
+	 */
+	rldicl	r0,r3,64-12,48
+	xor	r28,r5,r0		/* hash */
 	b	4f
 
 3:	/* Calc vpn and put it in r29 */
@@ -426,11 +431,12 @@
 	/*
 	 * Calculate hash value for primary slot and
 	 * store it in r28  for 1T segment
+	 * r3 = va, r5 = vsid
 	 */
-	rldic	r28,r5,25,25		/* (vsid << 25) & 0x7fffffffff */
-	clrldi	r5,r5,40		/* vsid & 0xffffff */
-	rldicl	r0,r3,64-12,36		/* (ea >> 12) & 0xfffffff */
-	xor	r28,r28,r5
+	sldi	r28,r5,25		/* vsid << 25 */
+	/* r0 = (va >> 12) & ((1ul << (40 - 12)) -1) */
+	rldicl	r0,r3,64-12,36
+	xor	r28,r28,r5		/* vsid ^ ( vsid << 25) */
 	xor	r28,r28,r0		/* hash */
 
 	/* Convert linux PTE bits into HW equivalents */
@@ -752,25 +758,27 @@
 	rldicl  r28,r3,64 - VPN_SHIFT,64 - (SID_SHIFT - VPN_SHIFT)
 	or	r29,r28,r29
 
-	/* Calculate hash value for primary slot and store it in r28 */
-	rldicl	r5,r5,0,25		/* vsid & 0x0000007fffffffff */
-	rldicl	r0,r3,64-16,52		/* (ea >> 16) & 0xfff */
-	xor	r28,r5,r0
+	/* Calculate hash value for primary slot and store it in r28
+	 * r3 = va, r5 = vsid
+	 * r0 = (va >> 16) & ((1ul << (28 - 16)) -1)
+	 */
+	rldicl	r0,r3,64-16,52
+	xor	r28,r5,r0		/* hash */
 	b	4f
 
 3:	/* Calc vpn and put it in r29 */
 	sldi	r29,r5,SID_SHIFT_1T - VPN_SHIFT
 	rldicl  r28,r3,64 - VPN_SHIFT,64 - (SID_SHIFT_1T - VPN_SHIFT)
 	or	r29,r28,r29
-
 	/*
 	 * calculate hash value for primary slot and
 	 * store it in r28 for 1T segment
+	 * r3 = va, r5 = vsid
 	 */
-	rldic	r28,r5,25,25		/* (vsid << 25) & 0x7fffffffff */
-	clrldi	r5,r5,40		/* vsid & 0xffffff */
-	rldicl	r0,r3,64-16,40		/* (ea >> 16) & 0xffffff */
-	xor	r28,r28,r5
+	sldi	r28,r5,25		/* vsid << 25 */
+	/* r0 = (va >> 16) & ((1ul << (40 - 16)) -1) */
+	rldicl	r0,r3,64-16,40
+	xor	r28,r28,r5		/* vsid ^ ( vsid << 25) */
 	xor	r28,r28,r0		/* hash */
 
 	/* Convert linux PTE bits into HW equivalents */
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/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/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/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index ad44391..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/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/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/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/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..4606fac 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 7944d3015..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"
@@ -690,6 +691,7 @@
 
 	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);
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index b401788..59afb7e 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -533,6 +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_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 4d0e60a..a2d478e 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1313,14 +1313,18 @@
 				if (!(tmp & EVERGREEN_CRTC_BLANK_DATA_EN)) {
 					radeon_wait_for_vblank(rdev, i);
 					tmp |= EVERGREEN_CRTC_BLANK_DATA_EN;
+					WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 					WREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
+					WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 				}
 			} else {
 				tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
 				if (!(tmp & EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE)) {
 					radeon_wait_for_vblank(rdev, i);
 					tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
+					WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 					WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
+					WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 				}
 			}
 			/* wait for the next frame */
@@ -1345,6 +1349,8 @@
 		blackout &= ~BLACKOUT_MODE_MASK;
 		WREG32(MC_SHARED_BLACKOUT_CNTL, blackout | 1);
 	}
+	/* wait for the MC to settle */
+	udelay(100);
 }
 
 void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save)
@@ -1378,11 +1384,15 @@
 			if (ASIC_IS_DCE6(rdev)) {
 				tmp = RREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i]);
 				tmp |= EVERGREEN_CRTC_BLANK_DATA_EN;
+				WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 				WREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
+				WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 			} else {
 				tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
 				tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
+				WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 				WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
+				WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 			}
 			/* wait for the next frame */
 			frame_count = radeon_get_vblank_counter(rdev, i);
@@ -2036,9 +2046,20 @@
 	WREG32(HDP_ADDR_CONFIG, gb_addr_config);
 	WREG32(DMA_TILING_CONFIG, gb_addr_config);
 
-	tmp = gb_addr_config & NUM_PIPES_MASK;
-	tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.evergreen.max_backends,
-					EVERGREEN_MAX_BACKENDS, disabled_rb_mask);
+	if ((rdev->config.evergreen.max_backends == 1) &&
+	    (rdev->flags & RADEON_IS_IGP)) {
+		if ((disabled_rb_mask & 3) == 1) {
+			/* RB0 disabled, RB1 enabled */
+			tmp = 0x11111111;
+		} else {
+			/* RB1 disabled, RB0 enabled */
+			tmp = 0x00000000;
+		}
+	} else {
+		tmp = gb_addr_config & NUM_PIPES_MASK;
+		tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.evergreen.max_backends,
+						EVERGREEN_MAX_BACKENDS, disabled_rb_mask);
+	}
 	WREG32(GB_BACKEND_MAP, tmp);
 
 	WREG32(CGTS_SYS_TCC_DISABLE, 0);
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 59acabb..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;
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 3cb9d60..becb03e 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -1462,12 +1462,15 @@
 			      u32 disabled_rb_mask)
 {
 	u32 rendering_pipe_num, rb_num_width, req_rb_num;
-	u32 pipe_rb_ratio, pipe_rb_remain;
+	u32 pipe_rb_ratio, pipe_rb_remain, tmp;
 	u32 data = 0, mask = 1 << (max_rb_num - 1);
 	unsigned i, j;
 
 	/* mask out the RBs that don't exist on that asic */
-	disabled_rb_mask |= (0xff << max_rb_num) & 0xff;
+	tmp = disabled_rb_mask | ((0xff << max_rb_num) & 0xff);
+	/* make sure at least one RB is available */
+	if ((tmp & 0xff) != 0xff)
+		disabled_rb_mask = tmp;
 
 	rendering_pipe_num = 1 << tiling_pipe_num;
 	req_rb_num = total_max_rb_num - r600_count_pipe_bits(disabled_rb_mask);
@@ -2313,7 +2316,7 @@
 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;
 
@@ -2353,7 +2356,11 @@
 	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_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index 9056faf..0b202c0 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -1445,7 +1445,7 @@
 	.vm = {
 		.init = &cayman_vm_init,
 		.fini = &cayman_vm_fini,
-		.pt_ring_index = R600_RING_TYPE_DMA_INDEX,
+		.pt_ring_index = RADEON_RING_TYPE_GFX_INDEX,
 		.set_page = &cayman_vm_set_page,
 	},
 	.ring = {
@@ -1572,7 +1572,7 @@
 	.vm = {
 		.init = &cayman_vm_init,
 		.fini = &cayman_vm_fini,
-		.pt_ring_index = R600_RING_TYPE_DMA_INDEX,
+		.pt_ring_index = RADEON_RING_TYPE_GFX_INDEX,
 		.set_page = &cayman_vm_set_page,
 	},
 	.ring = {
@@ -1699,7 +1699,7 @@
 	.vm = {
 		.init = &si_vm_init,
 		.fini = &si_vm_fini,
-		.pt_ring_index = R600_RING_TYPE_DMA_INDEX,
+		.pt_ring_index = RADEON_RING_TYPE_GFX_INDEX,
 		.set_page = &si_vm_set_page,
 	},
 	.ring = {
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index 33a56a0..3e403bd 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -2470,6 +2470,14 @@
 								   1),
 								  ATOM_DEVICE_CRT1_SUPPORT);
 				}
+				/* RV100 board with external TDMS bit mis-set.
+				 * Actually uses internal TMDS, clear the bit.
+				 */
+				if (dev->pdev->device == 0x5159 &&
+				    dev->pdev->subsystem_vendor == 0x1014 &&
+				    dev->pdev->subsystem_device == 0x029A) {
+					tmp &= ~(1 << 4);
+				}
 				if ((tmp >> 4) & 0x1) {
 					devices |= ATOM_DEVICE_DFP2_SUPPORT;
 					radeon_add_legacy_encoder(dev,
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..05c96fa 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -1115,14 +1115,16 @@
 	}
 
 	radeon_fb = kzalloc(sizeof(*radeon_fb), GFP_KERNEL);
-	if (radeon_fb == NULL)
+	if (radeon_fb == NULL) {
+		drm_gem_object_unreference_unlocked(obj);
 		return ERR_PTR(-ENOMEM);
+	}
 
 	ret = radeon_framebuffer_init(dev, radeon_fb, mode_cmd, obj);
 	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_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c
index 2430d80..cd72062 100644
--- a/drivers/gpu/drm/radeon/radeon_ring.c
+++ b/drivers/gpu/drm/radeon/radeon_ring.c
@@ -377,6 +377,9 @@
 {
 	int r;
 
+	/* make sure we aren't trying to allocate more space than there is on the ring */
+	if (ndw > (ring->ring_size / 4))
+		return -ENOMEM;
 	/* Align requested size with padding so unlock_commit can
 	 * pad safely */
 	ndw = (ndw + ring->align_mask) & ~ring->align_mask;
diff --git a/drivers/gpu/drm/radeon/reg_srcs/cayman b/drivers/gpu/drm/radeon/reg_srcs/cayman
index 0f656b1..a072fa8 100644
--- a/drivers/gpu/drm/radeon/reg_srcs/cayman
+++ b/drivers/gpu/drm/radeon/reg_srcs/cayman
@@ -1,5 +1,6 @@
 cayman 0x9400
 0x0000802C GRBM_GFX_INDEX
+0x00008040 WAIT_UNTIL
 0x000084FC CP_STRMOUT_CNTL
 0x000085F0 CP_COHER_CNTL
 0x000085F4 CP_COHER_SIZE
diff --git a/drivers/gpu/drm/radeon/rv515.c b/drivers/gpu/drm/radeon/rv515.c
index 2bb6d0e..435ed35 100644
--- a/drivers/gpu/drm/radeon/rv515.c
+++ b/drivers/gpu/drm/radeon/rv515.c
@@ -336,6 +336,8 @@
 				WREG32(R600_CITF_CNTL, blackout);
 		}
 	}
+	/* wait for the MC to settle */
+	udelay(100);
 }
 
 void rv515_mc_resume(struct radeon_device *rdev, struct rv515_mc_save *save)
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/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/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/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/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/mtd/devices/Kconfig b/drivers/mtd/devices/Kconfig
index 27f80cd..46dcb54 100644
--- a/drivers/mtd/devices/Kconfig
+++ b/drivers/mtd/devices/Kconfig
@@ -272,6 +272,7 @@
 	tristate "M-Systems Disk-On-Chip G3"
 	select BCH
 	select BCH_CONST_PARAMS
+	select BITREVERSE
 	---help---
 	  This provides an MTD device driver for the M-Systems DiskOnChip
 	  G3 devices.
diff --git a/drivers/mtd/maps/physmap_of.c b/drivers/mtd/maps/physmap_of.c
index 67cc73c..7901d72 100644
--- a/drivers/mtd/maps/physmap_of.c
+++ b/drivers/mtd/maps/physmap_of.c
@@ -170,7 +170,7 @@
 	resource_size_t res_size;
 	struct mtd_part_parser_data ppdata;
 	bool map_indirect;
-	const char *mtd_name;
+	const char *mtd_name = NULL;
 
 	match = of_match_device(of_flash_match, &dev->dev);
 	if (!match)
diff --git a/drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c b/drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c
index 86c9a79..595de40 100644
--- a/drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c
+++ b/drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c
@@ -17,8 +17,8 @@
 #include "bcm47xxnflash.h"
 
 /* Broadcom uses 1'000'000 but it seems to be too many. Tests on WNDR4500 has
- * shown 164 retries as maxiumum. */
-#define NFLASH_READY_RETRIES		1000
+ * shown ~1000 retries as maxiumum. */
+#define NFLASH_READY_RETRIES		10000
 
 #define NFLASH_SECTOR_SIZE		512
 
diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c
index 3502606..feae55c 100644
--- a/drivers/mtd/nand/davinci_nand.c
+++ b/drivers/mtd/nand/davinci_nand.c
@@ -523,7 +523,7 @@
 static const struct of_device_id davinci_nand_of_match[] = {
 	{.compatible = "ti,davinci-nand", },
 	{},
-}
+};
 MODULE_DEVICE_TABLE(of, davinci_nand_of_match);
 
 static struct davinci_nand_pdata
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 8323ac9..3766682 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -2857,8 +2857,11 @@
 	int i;
 	int val;
 
-	/* ONFI need to be probed in 8 bits mode */
-	WARN_ON(chip->options & NAND_BUSWIDTH_16);
+	/* ONFI need to be probed in 8 bits mode, and 16 bits should be selected with NAND_BUSWIDTH_AUTO */
+	if (chip->options & NAND_BUSWIDTH_16) {
+		pr_err("Trying ONFI probe in 16 bits mode, aborting !\n");
+		return 0;
+	}
 	/* Try ONFI for unknown chip or LP */
 	chip->cmdfunc(mtd, NAND_CMD_READID, 0x20, -1);
 	if (chip->read_byte(mtd) != 'O' || chip->read_byte(mtd) != 'N' ||
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/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..d1f0300 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/target/target_core_device.c b/drivers/target/target_core_device.c
index e269510..f2aa754 100644
--- a/drivers/target/target_core_device.c
+++ b/drivers/target/target_core_device.c
@@ -941,6 +941,8 @@
 
 int se_dev_set_fabric_max_sectors(struct se_device *dev, u32 fabric_max_sectors)
 {
+	int block_size = dev->dev_attrib.block_size;
+
 	if (dev->export_count) {
 		pr_err("dev[%p]: Unable to change SE Device"
 			" fabric_max_sectors while export_count is %d\n",
@@ -978,8 +980,12 @@
 	/*
 	 * Align max_sectors down to PAGE_SIZE to follow transport_allocate_data_tasks()
 	 */
+	if (!block_size) {
+		block_size = 512;
+		pr_warn("Defaulting to 512 for zero block_size\n");
+	}
 	fabric_max_sectors = se_dev_align_max_sectors(fabric_max_sectors,
-						      dev->dev_attrib.block_size);
+						      block_size);
 
 	dev->dev_attrib.fabric_max_sectors = fabric_max_sectors;
 	pr_debug("dev[%p]: SE Device max_sectors changed to %u\n",
diff --git a/drivers/target/target_core_fabric_configfs.c b/drivers/target/target_core_fabric_configfs.c
index 810263d..c57bbbc 100644
--- a/drivers/target/target_core_fabric_configfs.c
+++ b/drivers/target/target_core_fabric_configfs.c
@@ -754,6 +754,11 @@
 		return -EFAULT;
 	}
 
+	if (!(dev->dev_flags & DF_CONFIGURED)) {
+		pr_err("se_device not configured yet, cannot port link\n");
+		return -ENODEV;
+	}
+
 	tpg_ci = &lun_ci->ci_parent->ci_group->cg_item;
 	se_tpg = container_of(to_config_group(tpg_ci),
 				struct se_portal_group, tpg_group);
diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c
index 26a6d18..a664c66 100644
--- a/drivers/target/target_core_sbc.c
+++ b/drivers/target/target_core_sbc.c
@@ -58,11 +58,10 @@
 	buf[7] = dev->dev_attrib.block_size & 0xff;
 
 	rbuf = transport_kmap_data_sg(cmd);
-	if (!rbuf)
-		return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
-
-	memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length));
-	transport_kunmap_data_sg(cmd);
+	if (rbuf) {
+		memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length));
+		transport_kunmap_data_sg(cmd);
+	}
 
 	target_complete_cmd(cmd, GOOD);
 	return 0;
@@ -97,11 +96,10 @@
 		buf[14] = 0x80;
 
 	rbuf = transport_kmap_data_sg(cmd);
-	if (!rbuf)
-		return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
-
-	memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length));
-	transport_kunmap_data_sg(cmd);
+	if (rbuf) {
+		memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length));
+		transport_kunmap_data_sg(cmd);
+	}
 
 	target_complete_cmd(cmd, GOOD);
 	return 0;
diff --git a/drivers/target/target_core_spc.c b/drivers/target/target_core_spc.c
index 84f9e96..2d88f08 100644
--- a/drivers/target/target_core_spc.c
+++ b/drivers/target/target_core_spc.c
@@ -641,11 +641,10 @@
 
 out:
 	rbuf = transport_kmap_data_sg(cmd);
-	if (!rbuf)
-		return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
-
-	memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length));
-	transport_kunmap_data_sg(cmd);
+	if (rbuf) {
+		memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length));
+		transport_kunmap_data_sg(cmd);
+	}
 
 	if (!ret)
 		target_complete_cmd(cmd, GOOD);
@@ -851,7 +850,7 @@
 {
 	struct se_device *dev = cmd->se_dev;
 	char *cdb = cmd->t_task_cdb;
-	unsigned char *buf, *map_buf;
+	unsigned char buf[SE_MODE_PAGE_BUF], *rbuf;
 	int type = dev->transport->get_device_type(dev);
 	int ten = (cmd->t_task_cdb[0] == MODE_SENSE_10);
 	bool dbd = !!(cdb[1] & 0x08);
@@ -863,26 +862,8 @@
 	int ret;
 	int i;
 
-	map_buf = transport_kmap_data_sg(cmd);
-	if (!map_buf)
-		return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
-	/*
-	 * If SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC is not set, then we
-	 * know we actually allocated a full page.  Otherwise, if the
-	 * data buffer is too small, allocate a temporary buffer so we
-	 * don't have to worry about overruns in all our INQUIRY
-	 * emulation handling.
-	 */
-	if (cmd->data_length < SE_MODE_PAGE_BUF &&
-	    (cmd->se_cmd_flags & SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC)) {
-		buf = kzalloc(SE_MODE_PAGE_BUF, GFP_KERNEL);
-		if (!buf) {
-			transport_kunmap_data_sg(cmd);
-			return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
-		}
-	} else {
-		buf = map_buf;
-	}
+	memset(buf, 0, SE_MODE_PAGE_BUF);
+
 	/*
 	 * Skip over MODE DATA LENGTH + MEDIUM TYPE fields to byte 3 for
 	 * MODE_SENSE_10 and byte 2 for MODE_SENSE (6).
@@ -934,8 +915,6 @@
 	if (page == 0x3f) {
 		if (subpage != 0x00 && subpage != 0xff) {
 			pr_warn("MODE_SENSE: Invalid subpage code: 0x%02x\n", subpage);
-			kfree(buf);
-			transport_kunmap_data_sg(cmd);
 			return TCM_INVALID_CDB_FIELD;
 		}
 
@@ -972,7 +951,6 @@
 		pr_err("MODE SENSE: unimplemented page/subpage: 0x%02x/0x%02x\n",
 		       page, subpage);
 
-	transport_kunmap_data_sg(cmd);
 	return TCM_UNKNOWN_MODE_PAGE;
 
 set_length:
@@ -981,12 +959,12 @@
 	else
 		buf[0] = length - 1;
 
-	if (buf != map_buf) {
-		memcpy(map_buf, buf, cmd->data_length);
-		kfree(buf);
+	rbuf = transport_kmap_data_sg(cmd);
+	if (rbuf) {
+		memcpy(rbuf, buf, min_t(u32, SE_MODE_PAGE_BUF, cmd->data_length));
+		transport_kunmap_data_sg(cmd);
 	}
 
-	transport_kunmap_data_sg(cmd);
 	target_complete_cmd(cmd, GOOD);
 	return 0;
 }
diff --git a/drivers/vhost/tcm_vhost.c b/drivers/vhost/tcm_vhost.c
index b20df5c..22321cf 100644
--- a/drivers/vhost/tcm_vhost.c
+++ b/drivers/vhost/tcm_vhost.c
@@ -575,10 +575,8 @@
 
 	/* Must use ioctl VHOST_SCSI_SET_ENDPOINT */
 	tv_tpg = vs->vs_tpg;
-	if (unlikely(!tv_tpg)) {
-		pr_err("%s endpoint not set\n", __func__);
+	if (unlikely(!tv_tpg))
 		return;
-	}
 
 	mutex_lock(&vq->mutex);
 	vhost_disable_notify(&vs->dev, vq);
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/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/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/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/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/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/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/init/main.c b/init/main.c
index 92d728a..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();
 	}
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/rcutree_plugin.h b/kernel/rcutree_plugin.h
index f6e5ec2..c1cc7e1 100644
--- a/kernel/rcutree_plugin.h
+++ b/kernel/rcutree_plugin.h
@@ -40,8 +40,7 @@
 #ifdef CONFIG_RCU_NOCB_CPU
 static cpumask_var_t rcu_nocb_mask; /* CPUs to have callbacks offloaded. */
 static bool have_rcu_nocb_mask;	    /* Was rcu_nocb_mask allocated? */
-static bool rcu_nocb_poll;	    /* Offload kthread are to poll. */
-module_param(rcu_nocb_poll, bool, 0444);
+static bool __read_mostly rcu_nocb_poll;    /* Offload kthread are to poll. */
 static char __initdata nocb_buf[NR_CPUS * 5];
 #endif /* #ifdef CONFIG_RCU_NOCB_CPU */
 
@@ -2159,6 +2158,13 @@
 }
 __setup("rcu_nocbs=", rcu_nocb_setup);
 
+static int __init parse_rcu_nocb_poll(char *arg)
+{
+	rcu_nocb_poll = 1;
+	return 0;
+}
+early_param("rcu_nocb_poll", parse_rcu_nocb_poll);
+
 /* Is the specified CPU a no-CPUs CPU? */
 static bool is_nocb_cpu(int cpu)
 {
@@ -2366,10 +2372,11 @@
 	for (;;) {
 		/* If not polling, wait for next batch of callbacks. */
 		if (!rcu_nocb_poll)
-			wait_event(rdp->nocb_wq, rdp->nocb_head);
+			wait_event_interruptible(rdp->nocb_wq, rdp->nocb_head);
 		list = ACCESS_ONCE(rdp->nocb_head);
 		if (!list) {
 			schedule_timeout_interruptible(1);
+			flush_signals(current);
 			continue;
 		}
 
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/lib/digsig.c b/lib/digsig.c
index 8c0e629..dc2be7e 100644
--- a/lib/digsig.c
+++ b/lib/digsig.c
@@ -162,6 +162,8 @@
 	memset(out1, 0, head);
 	memcpy(out1 + head, p, l);
 
+	kfree(p);
+
 	err = pkcs_1_v1_5_decode_emsa(out1, len, mblen, out2, &len);
 	if (err)
 		goto err;
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..e7185c6 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/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_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_realtek.c b/sound/pci/hda/patch_realtek.c
index cf38861..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
 	 */
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 */