Merge branch 'v3.16-next/cleanup-samsung' into v3.16-next/platform-exynos

author: Kukjin Kim <kgene.kim@samsung.com> 2014-05-31 02:36:49 +0900
committer: Kukjin Kim <kgene.kim@samsung.com> 2014-05-31 02:36:49 +0900
commit: fced6dee29f6fb143fe16ea90331176ff77e6120 (patch)
tree: 5b6e57e7a757adc2a6518ce291a4d2914397b917 /arch
parent: bfed1074f213051e94648bfad0d0611a16d81366 (diff)
parent: be1f7c8d7e2bc8b8c76846aa6f276e8d2ef8975a (diff)
217 files changed, 1765 insertions, 1419 deletions
diff --git a/arch/arc/include/asm/barrier.h b/arch/arc/include/asm/barrier.h
deleted file mode 100644
index c32245c3d1e9..000000000000
--- a/arch/arc/include/asm/barrier.h
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef __ASM_BARRIER_H
-#define __ASM_BARRIER_H
-
-#ifndef __ASSEMBLY__
-
-/* TODO-vineetg: Need to see what this does, don't we need sync anywhere */
-#define mb() __asm__ __volatile__ ("" : : : "memory")
-#define rmb() mb()
-#define wmb() mb()
-#define set_mb(var, value)  do { var = value; mb(); } while (0)
-#define set_wmb(var, value) do { var = value; wmb(); } while (0)
-#define read_barrier_depends()  mb()
-
-/* TODO-vineetg verify the correctness of macros here */
-#ifdef CONFIG_SMP
-#define smp_mb()        mb()
-#define smp_rmb()       rmb()
-#define smp_wmb()       wmb()
-#else
-#define smp_mb()        barrier()
-#define smp_rmb()       barrier()
-#define smp_wmb()       barrier()
-#endif
-
-#define smp_read_barrier_depends()      do { } while (0)
-
-#endif
-
-#endif
diff --git a/arch/arc/kernel/entry.S b/arch/arc/kernel/entry.S
index 819dd5f7eb05..29b82adbf0b4 100644
--- a/arch/arc/kernel/entry.S
+++ b/arch/arc/kernel/entry.S
@@ -614,11 +614,13 @@ resume_user_mode_begin:
 
 resume_kernel_mode:
 
-#ifdef CONFIG_PREEMPT
-
-	; This is a must for preempt_schedule_irq()
+	; Disable Interrupts from this point on
+	; CONFIG_PREEMPT: This is a must for preempt_schedule_irq()
+	; !CONFIG_PREEMPT: To ensure restore_regs is intr safe
 	IRQ_DISABLE	r9
 
+#ifdef CONFIG_PREEMPT
+
 	; Can't preempt if preemption disabled
 	GET_CURR_THR_INFO_FROM_SP   r10
 	ld  r8, [r10, THREAD_INFO_PREEMPT_COUNT]
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 0edb868d6c0b..044e32be02b5 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -30,9 +30,9 @@ config ARM
 	select HAVE_ARCH_SECCOMP_FILTER if (AEABI && !OABI_COMPAT)
 	select HAVE_ARCH_TRACEHOOK
 	select HAVE_BPF_JIT
+	select HAVE_CC_STACKPROTECTOR
 	select HAVE_CONTEXT_TRACKING
 	select HAVE_C_RECORDMCOUNT
-	select HAVE_CC_STACKPROTECTOR
 	select HAVE_DEBUG_KMEMLEAK
 	select HAVE_DMA_API_DEBUG
 	select HAVE_DMA_ATTRS
@@ -311,6 +311,7 @@ config ARCH_MULTIPLATFORM
 	select ARM_HAS_SG_CHAIN
 	select ARM_PATCH_PHYS_VIRT
 	select AUTO_ZRELADDR
+	select CLKSRC_OF
 	select COMMON_CLK
 	select GENERIC_CLOCKEVENTS
 	select MULTI_IRQ_HANDLER
@@ -422,8 +423,8 @@ config ARCH_EFM32
 	bool "Energy Micro efm32"
 	depends on !MMU
 	select ARCH_REQUIRE_GPIOLIB
-	select AUTO_ZRELADDR
 	select ARM_NVIC
+	select AUTO_ZRELADDR
 	select CLKSRC_OF
 	select COMMON_CLK
 	select CPU_V7M
@@ -511,8 +512,8 @@ config ARCH_IXP4XX
 	bool "IXP4xx-based"
 	depends on MMU
 	select ARCH_HAS_DMA_SET_COHERENT_MASK
-	select ARCH_SUPPORTS_BIG_ENDIAN
 	select ARCH_REQUIRE_GPIOLIB
+	select ARCH_SUPPORTS_BIG_ENDIAN
 	select CLKSRC_MMIO
 	select CPU_XSCALE
 	select DMABOUNCE if PCI
@@ -1110,9 +1111,9 @@ config ARM_NR_BANKS
 	default 8
 
 config IWMMXT
-	bool "Enable iWMMXt support" if !CPU_PJ4
-	depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_PJ4
-	default y if PXA27x || PXA3xx || ARCH_MMP || CPU_PJ4
+	bool "Enable iWMMXt support"
+	depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_PJ4 || CPU_PJ4B
+	default y if PXA27x || PXA3xx || ARCH_MMP || CPU_PJ4 || CPU_PJ4B
 	help
 	  Enable support for iWMMXt context switching at run time if
 	  running on a CPU that supports it.
@@ -1575,8 +1576,8 @@ config BIG_LITTLE
 config BL_SWITCHER
 	bool "big.LITTLE switcher support"
 	depends on BIG_LITTLE && MCPM && HOTPLUG_CPU
-	select CPU_PM
 	select ARM_CPU_SUSPEND
+	select CPU_PM
 	help
 	  The big.LITTLE "switcher" provides the core functionality to
 	  transparently handle transition between a cluster of A15's
@@ -1920,9 +1921,9 @@ config XEN
 	depends on CPU_V7 && !CPU_V6
 	depends on !GENERIC_ATOMIC64
 	depends on MMU
+	select ARCH_DMA_ADDR_T_64BIT
 	select ARM_PSCI
 	select SWIOTLB_XEN
-	select ARCH_DMA_ADDR_T_64BIT
 	help
 	  Say Y if you want to run Linux in a Virtual Machine on Xen on ARM.
 
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 4a2fc0bf6fc9..4678870f8ee8 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -625,6 +625,7 @@ choice
 	config DEBUG_S3C_UART0
 		depends on PLAT_SAMSUNG
 		select DEBUG_EXYNOS_UART if ARCH_EXYNOS
+		select DEBUG_S3C24XX_UART if ARCH_S3C24XX
 		bool "Use S3C UART 0 for low-level debug"
 		help
 		  Say Y here if you want the debug print routines to direct
@@ -637,6 +638,7 @@ choice
 	config DEBUG_S3C_UART1
 		depends on PLAT_SAMSUNG
 		select DEBUG_EXYNOS_UART if ARCH_EXYNOS
+		select DEBUG_S3C24XX_UART if ARCH_S3C24XX
 		bool "Use S3C UART 1 for low-level debug"
 		help
 		  Say Y here if you want the debug print routines to direct
@@ -649,6 +651,7 @@ choice
 	config DEBUG_S3C_UART2
 		depends on PLAT_SAMSUNG
 		select DEBUG_EXYNOS_UART if ARCH_EXYNOS
+		select DEBUG_S3C24XX_UART if ARCH_S3C24XX
 		bool "Use S3C UART 2 for low-level debug"
 		help
 		  Say Y here if you want the debug print routines to direct
@@ -670,6 +673,33 @@ choice
 		  The uncompressor code port configuration is now handled
 		  by CONFIG_S3C_LOWLEVEL_UART_PORT.
 
+	config DEBUG_S3C2410_UART0
+		depends on ARCH_S3C24XX
+		select DEBUG_S3C2410_UART
+		bool "Use S3C2410/S3C2412 UART 0 for low-level debug"
+		help
+		  Say Y here if you want the debug print routines to direct
+		  their output to UART 0. The port must have been initialised
+		  by the boot-loader before use.
+
+	config DEBUG_S3C2410_UART1
+		depends on ARCH_S3C24XX
+		select DEBUG_S3C2410_UART
+		bool "Use S3C2410/S3C2412 UART 1 for low-level debug"
+		help
+		  Say Y here if you want the debug print routines to direct
+		  their output to UART 1. The port must have been initialised
+		  by the boot-loader before use.
+
+	config DEBUG_S3C2410_UART2
+		depends on ARCH_S3C24XX
+		select DEBUG_S3C2410_UART
+		bool "Use S3C2410/S3C2412 UART 2 for low-level debug"
+		help
+		  Say Y here if you want the debug print routines to direct
+		  their output to UART 2. The port must have been initialised
+		  by the boot-loader before use.
+
 	config DEBUG_SOCFPGA_UART
 		depends on ARCH_SOCFPGA
 		bool "Use SOCFPGA UART for low-level debug"
@@ -921,6 +951,13 @@ endchoice
 config DEBUG_EXYNOS_UART
 	bool
 
+config DEBUG_S3C2410_UART
+	bool
+	select DEBUG_S3C24XX_UART
+
+config DEBUG_S3C24XX_UART
+	bool
+
 config DEBUG_OMAP2PLUS_UART
 	bool
 	depends on ARCH_OMAP2PLUS
@@ -973,6 +1010,7 @@ config DEBUG_LL_INCLUDE
 				 DEBUG_IMX6SL_UART
 	default "debug/msm.S" if DEBUG_MSM_UART
 	default "debug/omap2plus.S" if DEBUG_OMAP2PLUS_UART
+	default "debug/s3c24xx.S" if DEBUG_S3C24XX_UART
 	default "debug/sirf.S" if DEBUG_SIRFPRIMA2_UART1 || DEBUG_SIRFMARCO_UART1
 	default "debug/sti.S" if DEBUG_STI_UART
 	default "debug/tegra.S" if DEBUG_TEGRA_UART
@@ -1029,10 +1067,16 @@ config DEBUG_UART_PHYS
 	default 0x40090000 if ARCH_LPC32XX
 	default 0x40100000 if DEBUG_PXA_UART1
 	default 0x42000000 if ARCH_GEMINI
+	default 0x50000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \
+				DEBUG_S3C2410_UART0)
+	default 0x50004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \
+				DEBUG_S3C2410_UART1)
+	default 0x50008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \
+				DEBUG_S3C2410_UART2)
 	default 0x7c0003f8 if FOOTBRIDGE
-	default 0x80230000 if DEBUG_PICOXCELL_UART
 	default 0x80070000 if DEBUG_IMX23_UART
 	default 0x80074000 if DEBUG_IMX28_UART
+	default 0x80230000 if DEBUG_PICOXCELL_UART
 	default 0x808c0000 if ARCH_EP93XX
 	default 0x90020000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART
 	default 0xb0090000 if DEBUG_VEXPRESS_UART0_CRX
@@ -1058,7 +1102,7 @@ config DEBUG_UART_PHYS
 	default 0xfffff700 if ARCH_IOP33X
 	depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \
 		DEBUG_LL_UART_EFM32 || \
-		DEBUG_UART_8250 || DEBUG_UART_PL01X
+		DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_S3C24XX_UART
 
 config DEBUG_UART_VIRT
 	hex "Virtual base address of debug UART"
@@ -1075,6 +1119,12 @@ config DEBUG_UART_VIRT
 	default 0xf2100000 if DEBUG_PXA_UART1
 	default 0xf4090000 if ARCH_LPC32XX
 	default 0xf4200000 if ARCH_GEMINI
+	default 0xf7000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \
+				DEBUG_S3C2410_UART0)
+	default 0xf7004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \
+				DEBUG_S3C2410_UART1)
+	default 0xf7008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \
+				DEBUG_S3C2410_UART2)
 	default 0xf7fc9000 if DEBUG_BERLIN_UART
 	default 0xf8009000 if DEBUG_VEXPRESS_UART0_CA9
 	default 0xf8090000 if DEBUG_VEXPRESS_UART0_RS1
@@ -1096,27 +1146,27 @@ config DEBUG_UART_VIRT
 	default 0xfeb26000 if DEBUG_RK3X_UART1
 	default 0xfeb30c00 if DEBUG_KEYSTONE_UART0
 	default 0xfeb31000 if DEBUG_KEYSTONE_UART1
-	default 0xfec12000 if DEBUG_MVEBU_UART || DEBUG_MVEBU_UART_ALTERNATE
-	default 0xfed60000 if DEBUG_RK29_UART0
-	default 0xfed64000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2
-	default 0xfed68000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3
 	default 0xfec02000 if DEBUG_SOCFPGA_UART
+	default 0xfec12000 if DEBUG_MVEBU_UART || DEBUG_MVEBU_UART_ALTERNATE
 	default 0xfec20000 if DEBUG_DAVINCI_DMx_UART0
 	default 0xfed0c000 if DEBUG_DAVINCI_DA8XX_UART1
 	default 0xfed0d000 if DEBUG_DAVINCI_DA8XX_UART2
 	default 0xfed12000 if ARCH_KIRKWOOD
+	default 0xfed60000 if DEBUG_RK29_UART0
+	default 0xfed64000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2
+	default 0xfed68000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3
 	default 0xfedc0000 if ARCH_EP93XX
 	default 0xfee003f8 if FOOTBRIDGE
 	default 0xfee20000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART
-	default 0xfef36000 if DEBUG_HIGHBANK_UART
 	default 0xfee82340 if ARCH_IOP13XX
 	default 0xfef00000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN
 	default 0xfef00003 if ARCH_IXP4XX && CPU_BIG_ENDIAN
+	default 0xfef36000 if DEBUG_HIGHBANK_UART
 	default 0xfefff700 if ARCH_IOP33X
 	default 0xff003000 if DEBUG_U300_UART
 	default DEBUG_UART_PHYS if !MMU
 	depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \
-		DEBUG_UART_8250 || DEBUG_UART_PL01X
+		DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_S3C24XX_UART
 
 config DEBUG_UART_8250_SHIFT
 	int "Register offset shift for the 8250 debug UART"
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index 066b03480b63..3a8b32df6b31 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -60,11 +60,6 @@
 		add	\rb, \rb, #0x00010000	@ Ser1
 #endif
 		.endm
-#elif defined(CONFIG_ARCH_S3C24XX)
-		.macro loadsp, rb, tmp
-		mov	\rb, #0x50000000
-		add	\rb, \rb, #0x4000 * CONFIG_S3C_LOWLEVEL_UART_PORT
-		.endm
 #else
 		.macro	loadsp,	rb, tmp
 		addruart \rb, \tmp
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 35c146f31e46..377b7c364033 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -51,10 +51,9 @@ dtb-$(CONFIG_ARCH_AT91)	+= sama5d36ek.dtb
 
 dtb-$(CONFIG_ARCH_ATLAS6) += atlas6-evb.dtb
 dtb-$(CONFIG_ARCH_BCM2835) += bcm2835-rpi-b.dtb
+dtb-$(CONFIG_ARCH_BCM_5301X) += bcm4708-netgear-r6250.dtb
 dtb-$(CONFIG_ARCH_BCM_MOBILE) += bcm28155-ap.dtb \
 	bcm21664-garnet.dtb
-dtb-$(CONFIG_ARCH_BCM2835) += bcm2835-rpi-b.dtb
-dtb-$(CONFIG_ARCH_BCM_5301X) += bcm4708-netgear-r6250.dtb
 dtb-$(CONFIG_ARCH_BERLIN) += \
 	berlin2-sony-nsz-gs7.dtb	\
 	berlin2cd-google-chromecast.dtb
@@ -246,6 +245,7 @@ dtb-$(CONFIG_ARCH_OMAP2PLUS) += omap2420-h4.dtb \
 	omap3-sbc-t3730.dtb \
 	omap3-devkit8000.dtb \
 	omap3-beagle-xm.dtb \
+	omap3-beagle-xm-ab.dtb \
 	omap3-evm.dtb \
 	omap3-evm-37xx.dtb \
 	omap3-ldp.dtb \
@@ -294,13 +294,6 @@ dtb-$(CONFIG_ARCH_PRIMA2) += prima2-evb.dtb
 dtb-$(CONFIG_ARCH_QCOM) += qcom-msm8660-surf.dtb \
 	qcom-msm8960-cdp.dtb \
 	qcom-apq8074-dragonboard.dtb
-dtb-$(CONFIG_ARCH_U8500) += ste-snowball.dtb \
-	ste-hrefprev60-stuib.dtb \
-	ste-hrefprev60-tvk.dtb \
-	ste-hrefv60plus-stuib.dtb \
-	ste-hrefv60plus-tvk.dtb \
-	ste-ccu8540.dtb \
-	ste-ccu9540.dtb
 dtb-$(CONFIG_ARCH_S3C24XX) += s3c2416-smdk2416.dtb
 dtb-$(CONFIG_ARCH_S3C64XX) += s3c6410-mini6410.dtb \
 	s3c6410-smdk6410.dtb
@@ -369,9 +362,16 @@ dtb-$(CONFIG_ARCH_TEGRA) += tegra20-harmony.dtb \
 	tegra30-cardhu-a04.dtb \
 	tegra114-dalmore.dtb \
 	tegra124-venice2.dtb
+dtb-$(CONFIG_ARCH_U300) += ste-u300.dtb
+dtb-$(CONFIG_ARCH_U8500) += ste-snowball.dtb \
+	ste-hrefprev60-stuib.dtb \
+	ste-hrefprev60-tvk.dtb \
+	ste-hrefv60plus-stuib.dtb \
+	ste-hrefv60plus-tvk.dtb \
+	ste-ccu8540.dtb \
+	ste-ccu9540.dtb
 dtb-$(CONFIG_ARCH_VERSATILE) += versatile-ab.dtb \
 	versatile-pb.dtb
-dtb-$(CONFIG_ARCH_U300) += ste-u300.dtb
 dtb-$(CONFIG_ARCH_VEXPRESS) += vexpress-v2p-ca5s.dtb \
 	vexpress-v2p-ca9.dtb \
 	vexpress-v2p-ca15-tc1.dtb \
diff --git a/arch/arm/boot/dts/am335x-bone-common.dtsi b/arch/arm/boot/dts/am335x-bone-common.dtsi
index e3f27ec31718..2e7d932887b5 100644
--- a/arch/arm/boot/dts/am335x-bone-common.dtsi
+++ b/arch/arm/boot/dts/am335x-bone-common.dtsi
@@ -183,7 +183,7 @@
 &usb {
 	status = "okay";
 
-	control@44e10000 {
+	control@44e10620 {
 		status = "okay";
 	};
 
@@ -204,7 +204,7 @@
 		dr_mode = "host";
 	};
 
-	dma-controller@07402000  {
+	dma-controller@47402000  {
 		status = "okay";
 	};
 };
diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts
index 28ae040e7c3d..6028217ace0f 100644
--- a/arch/arm/boot/dts/am335x-evm.dts
+++ b/arch/arm/boot/dts/am335x-evm.dts
@@ -301,8 +301,8 @@
 
 	am335x_evm_audio_pins: am335x_evm_audio_pins {
 		pinctrl-single,pins = <
-			0x10c (PIN_INPUT_PULLDOWN | MUX_MODE4) /* mii1_rx_dv.mcasp1_aclkx */
-			0x110 (PIN_INPUT_PULLDOWN | MUX_MODE4) /* mii1_txd3.mcasp1_fsx */
+			0x10c (PIN_INPUT_PULLDOWN | MUX_MODE4) /* mii1_crs.mcasp1_aclkx */
+			0x110 (PIN_INPUT_PULLDOWN | MUX_MODE4) /* mii1_rxerr.mcasp1_fsx */
 			0x108 (PIN_OUTPUT_PULLDOWN | MUX_MODE4) /* mii1_col.mcasp1_axr2 */
 			0x144 (PIN_INPUT_PULLDOWN | MUX_MODE4) /* rmii1_ref_clk.mcasp1_axr3 */
 		>;
@@ -331,7 +331,7 @@
 &usb {
 	status = "okay";
 
-	control@44e10000 {
+	control@44e10620 {
 		status = "okay";
 	};
 
@@ -352,7 +352,7 @@
 		dr_mode = "host";
 	};
 
-	dma-controller@07402000  {
+	dma-controller@47402000  {
 		status = "okay";
 	};
 };
diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts
index ec08f6f677c3..ab238850a7b2 100644
--- a/arch/arm/boot/dts/am335x-evmsk.dts
+++ b/arch/arm/boot/dts/am335x-evmsk.dts
@@ -364,7 +364,7 @@
 &usb {
 	status = "okay";
 
-	control@44e10000 {
+	control@44e10620 {
 		status = "okay";
 	};
 
@@ -385,7 +385,7 @@
 		dr_mode = "host";
 	};
 
-	dma-controller@07402000  {
+	dma-controller@47402000  {
 		status = "okay";
 	};
 };
diff --git a/arch/arm/boot/dts/am335x-igep0033.dtsi b/arch/arm/boot/dts/am335x-igep0033.dtsi
index 7063311a58d9..9f22c189f636 100644
--- a/arch/arm/boot/dts/am335x-igep0033.dtsi
+++ b/arch/arm/boot/dts/am335x-igep0033.dtsi
@@ -118,7 +118,6 @@
 		reg = <0 0 0>; /* CS0, offset 0 */
 		nand-bus-width = <8>;
 		ti,nand-ecc-opt = "bch8";
-		gpmc,device-nand = "true";
 		gpmc,device-width = <1>;
 		gpmc,sync-clk-ps = <0>;
 		gpmc,cs-on-ns = <0>;
@@ -202,7 +201,7 @@
 &usb {
 	status = "okay";
 
-	control@44e10000 {
+	control@44e10620 {
 		status = "okay";
 	};
 
@@ -223,7 +222,7 @@
 		dr_mode = "host";
 	};
 
-	dma-controller@07402000  {
+	dma-controller@47402000  {
 		status = "okay";
 	};
 };
diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
index 9770e35f2536..cb6811e5ae5a 100644
--- a/arch/arm/boot/dts/am33xx.dtsi
+++ b/arch/arm/boot/dts/am33xx.dtsi
@@ -72,7 +72,7 @@
 	};
 
 	/*
-	 * The soc node represents the soc top level view. It is uses for IPs
+	 * The soc node represents the soc top level view. It is used for IPs
 	 * that are not memory mapped in the MPU view or for the MPU itself.
 	 */
 	soc {
@@ -94,8 +94,8 @@
 
 	/*
 	 * XXX: Use a flat representation of the AM33XX interconnect.
-	 * The real AM33XX interconnect network is quite complex.Since
-	 * that will not bring real advantage to represent that in DT
+	 * The real AM33XX interconnect network is quite complex. Since
+	 * it will not bring real advantage to represent that in DT
 	 * for the moment, just use a fake OCP bus entry to represent
 	 * the whole bus hierarchy.
 	 */
@@ -802,7 +802,7 @@
 			      <0x46000000 0x400000>;
 			reg-names = "mpu", "dat";
 			interrupts = <80>, <81>;
-			interrupts-names = "tx", "rx";
+			interrupt-names = "tx", "rx";
 			status = "disabled";
 			dmas = <&edma 8>,
 				<&edma 9>;
@@ -816,7 +816,7 @@
 			      <0x46400000 0x400000>;
 			reg-names = "mpu", "dat";
 			interrupts = <82>, <83>;
-			interrupts-names = "tx", "rx";
+			interrupt-names = "tx", "rx";
 			status = "disabled";
 			dmas = <&edma 10>,
 				<&edma 11>;
diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi
index 36d523a26831..d1f8707ff1df 100644
--- a/arch/arm/boot/dts/am4372.dtsi
+++ b/arch/arm/boot/dts/am4372.dtsi
@@ -691,7 +691,7 @@
 			      <0x46000000 0x400000>;
 			reg-names = "mpu", "dat";
 			interrupts = <80>, <81>;
-			interrupts-names = "tx", "rx";
+			interrupt-names = "tx", "rx";
 			status = "disabled";
 			dmas = <&edma 8>,
 			       <&edma 9>;
@@ -705,7 +705,7 @@
 			      <0x46400000 0x400000>;
 			reg-names = "mpu", "dat";
 			interrupts = <82>, <83>;
-			interrupts-names = "tx", "rx";
+			interrupt-names = "tx", "rx";
 			status = "disabled";
 			dmas = <&edma 10>,
 			       <&edma 11>;
diff --git a/arch/arm/boot/dts/armada-370-xp.dtsi b/arch/arm/boot/dts/armada-370-xp.dtsi
index bbb40f62037d..bb77970c0b12 100644
--- a/arch/arm/boot/dts/armada-370-xp.dtsi
+++ b/arch/arm/boot/dts/armada-370-xp.dtsi
@@ -230,6 +230,7 @@
 				#size-cells = <0>;
 				compatible = "marvell,orion-mdio";
 				reg = <0x72004 0x4>;
+				clocks = <&gateclk 4>;
 			};
 
 			eth1: ethernet@74000 {
diff --git a/arch/arm/boot/dts/armada-38x.dtsi b/arch/arm/boot/dts/armada-38x.dtsi
index a064f59da02d..ca8813bb99ba 100644
--- a/arch/arm/boot/dts/armada-38x.dtsi
+++ b/arch/arm/boot/dts/armada-38x.dtsi
@@ -336,6 +336,7 @@
 				#size-cells = <0>;
 				compatible = "marvell,orion-mdio";
 				reg = <0x72004 0x4>;
+				clocks = <&gateclk 4>;
 			};
 
 			coredivclk: clock@e4250 {
diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
index 1c0f8e1893ae..149b55099935 100644
--- a/arch/arm/boot/dts/dra7.dtsi
+++ b/arch/arm/boot/dts/dra7.dtsi
@@ -80,7 +80,7 @@
 	};
 
 	/*
-	 * The soc node represents the soc top level view. It is uses for IPs
+	 * The soc node represents the soc top level view. It is used for IPs
 	 * that are not memory mapped in the MPU view or for the MPU itself.
 	 */
 	soc {
@@ -94,7 +94,7 @@
 	/*
 	 * XXX: Use a flat representation of the SOC interconnect.
 	 * The real OMAP interconnect network is quite complex.
-	 * Since that will not bring real advantage to represent that in DT for
+	 * Since it will not bring real advantage to represent that in DT for
 	 * the moment, just use a fake OCP bus entry to represent the whole bus
 	 * hierarchy.
 	 */
diff --git a/arch/arm/boot/dts/dra7xx-clocks.dtsi b/arch/arm/boot/dts/dra7xx-clocks.dtsi
index e96da9a898ad..cfb8fc753f50 100644
--- a/arch/arm/boot/dts/dra7xx-clocks.dtsi
+++ b/arch/arm/boot/dts/dra7xx-clocks.dtsi
@@ -1640,7 +1640,7 @@
 		#clock-cells = <0>;
 		compatible = "ti,mux-clock";
 		clocks = <&abe_24m_fclk>, <&abe_sys_clk_div>, <&func_24m_clk>, <&atlclkin3_ck>, <&atl_clkin2_ck>, <&atl_clkin1_ck>, <&atl_clkin0_ck>, <&sys_clkin2>, <&ref_clkin0_ck>, <&ref_clkin1_ck>, <&ref_clkin2_ck>, <&ref_clkin3_ck>, <&mlb_clk>, <&mlbp_clk>;
-		ti,bit-shift = <28>;
+		ti,bit-shift = <24>;
 		reg = <0x1860>;
 	};
 
diff --git a/arch/arm/boot/dts/exynos5420-arndale-octa.dts b/arch/arm/boot/dts/exynos5420-arndale-octa.dts
index 80a3bf4c5986..896a2a6619e0 100644
--- a/arch/arm/boot/dts/exynos5420-arndale-octa.dts
+++ b/arch/arm/boot/dts/exynos5420-arndale-octa.dts
@@ -364,16 +364,4 @@
 			gpio-key,wakeup;
 		};
 	};
-
-	amba {
-		mdma1: mdma@11C10000 {
-			/*
-			 * MDMA1 can support both secure and non-secure
-			 * AXI transactions. When this is enabled in the kernel
-			 * for boards that run in secure mode, we are getting
-			 * imprecise external aborts causing the kernel to oops.
-			 */
-			status = "disabled";
-		};
-	};
 };
diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi
index 67ba2c56fa8e..d433fe4d00f0 100644
--- a/arch/arm/boot/dts/exynos5420.dtsi
+++ b/arch/arm/boot/dts/exynos5420.dtsi
@@ -219,16 +219,6 @@
 		reg = <0x100440C0 0x20>;
 	};
 
-	mau_pd: power-domain@100440E0 {
-		compatible = "samsung,exynos4210-pd";
-		reg = <0x100440E0 0x20>;
-	};
-
-	g2d_pd: power-domain@10044100 {
-		compatible = "samsung,exynos4210-pd";
-		reg = <0x10044100 0x20>;
-	};
-
 	msc_pd: power-domain@10044120 {
 		compatible = "samsung,exynos4210-pd";
 		reg = <0x10044120 0x20>;
@@ -336,6 +326,13 @@
 			#dma-cells = <1>;
 			#dma-channels = <8>;
 			#dma-requests = <1>;
+			/*
+			 * MDMA1 can support both secure and non-secure
+			 * AXI transactions. When this is enabled in the kernel
+			 * for boards that run in secure mode, we are getting
+			 * imprecise external aborts causing the kernel to oops.
+			 */
+			status = "disabled";
 		};
 	};
 
@@ -730,6 +727,5 @@
 		interrupts = <0 112 0>;
 		clocks = <&clock 471>;
 		clock-names = "secss";
-		samsung,power-domain = <&g2d_pd>;
 	};
 };
diff --git a/arch/arm/boot/dts/imx25.dtsi b/arch/arm/boot/dts/imx25.dtsi
index 32f760e24898..ea323f09dc78 100644
--- a/arch/arm/boot/dts/imx25.dtsi
+++ b/arch/arm/boot/dts/imx25.dtsi
@@ -56,6 +56,7 @@
 
 		osc {
 			compatible = "fsl,imx-osc", "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <24000000>;
 		};
 	};
diff --git a/arch/arm/boot/dts/imx27-apf27.dts b/arch/arm/boot/dts/imx27-apf27.dts
index 09f57b39e3ef..73aae4f5e539 100644
--- a/arch/arm/boot/dts/imx27-apf27.dts
+++ b/arch/arm/boot/dts/imx27-apf27.dts
@@ -29,6 +29,7 @@
 
 		osc26m {
 			compatible = "fsl,imx-osc26m", "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <0>;
 		};
 	};
diff --git a/arch/arm/boot/dts/imx27.dtsi b/arch/arm/boot/dts/imx27.dtsi
index 6279e0b4f768..137e010eab35 100644
--- a/arch/arm/boot/dts/imx27.dtsi
+++ b/arch/arm/boot/dts/imx27.dtsi
@@ -48,6 +48,7 @@
 
 		osc26m {
 			compatible = "fsl,imx-osc26m", "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <26000000>;
 		};
 	};
diff --git a/arch/arm/boot/dts/imx50.dtsi b/arch/arm/boot/dts/imx50.dtsi
index 0c75fe3deb35..9c89d1ca97c2 100644
--- a/arch/arm/boot/dts/imx50.dtsi
+++ b/arch/arm/boot/dts/imx50.dtsi
@@ -53,21 +53,25 @@
 
 		ckil {
 			compatible = "fsl,imx-ckil", "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <32768>;
 		};
 
 		ckih1 {
 			compatible = "fsl,imx-ckih1", "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <22579200>;
 		};
 
 		ckih2 {
 			compatible = "fsl,imx-ckih2", "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <0>;
 		};
 
 		osc {
 			compatible = "fsl,imx-osc", "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <24000000>;
 		};
 	};
diff --git a/arch/arm/boot/dts/imx51.dtsi b/arch/arm/boot/dts/imx51.dtsi
index 5f8216d08f6b..150bb4e2f744 100644
--- a/arch/arm/boot/dts/imx51.dtsi
+++ b/arch/arm/boot/dts/imx51.dtsi
@@ -50,21 +50,25 @@
 
 		ckil {
 			compatible = "fsl,imx-ckil", "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <32768>;
 		};
 
 		ckih1 {
 			compatible = "fsl,imx-ckih1", "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <0>;
 		};
 
 		ckih2 {
 			compatible = "fsl,imx-ckih2", "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <0>;
 		};
 
 		osc {
 			compatible = "fsl,imx-osc", "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <24000000>;
 		};
 	};
diff --git a/arch/arm/boot/dts/imx53-m53evk.dts b/arch/arm/boot/dts/imx53-m53evk.dts
index f6d3ac3e5587..d5d146a8b149 100644
--- a/arch/arm/boot/dts/imx53-m53evk.dts
+++ b/arch/arm/boot/dts/imx53-m53evk.dts
@@ -17,7 +17,8 @@
 	compatible = "denx,imx53-m53evk", "fsl,imx53";
 
 	memory {
-		reg = <0x70000000 0x20000000>;
+		reg = <0x70000000 0x20000000>,
+		      <0xb0000000 0x20000000>;
 	};
 
 	soc {
@@ -193,17 +194,17 @@
 		irq-trigger = <0x1>;
 
 		stmpe_touchscreen {
-			compatible = "stmpe,ts";
+			compatible = "st,stmpe-ts";
 			reg = <0>;
-			ts,sample-time = <4>;
-			ts,mod-12b = <1>;
-			ts,ref-sel = <0>;
-			ts,adc-freq = <1>;
-			ts,ave-ctrl = <3>;
-			ts,touch-det-delay = <3>;
-			ts,settling = <4>;
-			ts,fraction-z = <7>;
-			ts,i-drive = <1>;
+			st,sample-time = <4>;
+			st,mod-12b = <1>;
+			st,ref-sel = <0>;
+			st,adc-freq = <1>;
+			st,ave-ctrl = <3>;
+			st,touch-det-delay = <3>;
+			st,settling = <4>;
+			st,fraction-z = <7>;
+			st,i-drive = <1>;
 		};
 	};
 
diff --git a/arch/arm/boot/dts/imx53-qsb-common.dtsi b/arch/arm/boot/dts/imx53-qsb-common.dtsi
index 3f825a6813da..ede04fa4161f 100644
--- a/arch/arm/boot/dts/imx53-qsb-common.dtsi
+++ b/arch/arm/boot/dts/imx53-qsb-common.dtsi
@@ -14,7 +14,8 @@
 
 / {
 	memory {
-		reg = <0x70000000 0x40000000>;
+		reg = <0x70000000 0x20000000>,
+		      <0xb0000000 0x20000000>;
 	};
 
 	display0: display@di0 {
diff --git a/arch/arm/boot/dts/imx53-tx53-x03x.dts b/arch/arm/boot/dts/imx53-tx53-x03x.dts
index 0217dde3b36b..3b73e81dc3f0 100644
--- a/arch/arm/boot/dts/imx53-tx53-x03x.dts
+++ b/arch/arm/boot/dts/imx53-tx53-x03x.dts
@@ -25,12 +25,17 @@
 	soc {
 		display: display@di0 {
 			compatible = "fsl,imx-parallel-display";
-			crtcs = <&ipu 0>;
 			interface-pix-fmt = "rgb24";
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_rgb24_vga1>;
 			status = "okay";
 
+			port {
+				display0_in: endpoint {
+					remote-endpoint = <&ipu_di0_disp0>;
+				};
+			};
+
 			display-timings {
 				VGA {
 					clock-frequency = <25200000>;
@@ -293,6 +298,10 @@
 	};
 };
 
+&ipu_di0_disp0 {
+	remote-endpoint = <&display0_in>;
+};
+
 &kpp {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_kpp>;
diff --git a/arch/arm/boot/dts/imx53.dtsi b/arch/arm/boot/dts/imx53.dtsi
index b57ab57740f6..9c2bff2252d0 100644
--- a/arch/arm/boot/dts/imx53.dtsi
+++ b/arch/arm/boot/dts/imx53.dtsi
@@ -70,21 +70,25 @@
 
 		ckil {
 			compatible = "fsl,imx-ckil", "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <32768>;
 		};
 
 		ckih1 {
 			compatible = "fsl,imx-ckih1", "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <22579200>;
 		};
 
 		ckih2 {
 			compatible = "fsl,imx-ckih2", "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <0>;
 		};
 
 		osc {
 			compatible = "fsl,imx-osc", "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <24000000>;
 		};
 	};
@@ -430,7 +434,7 @@
 
 					port {
 						lvds1_in: endpoint {
-							remote-endpoint = <&ipu_di0_lvds0>;
+							remote-endpoint = <&ipu_di1_lvds1>;
 						};
 					};
 				};
diff --git a/arch/arm/boot/dts/imx6q-dmo-edmqmx6.dts b/arch/arm/boot/dts/imx6q-dmo-edmqmx6.dts
index a63bbb3d46bb..e4ae38fd0269 100644
--- a/arch/arm/boot/dts/imx6q-dmo-edmqmx6.dts
+++ b/arch/arm/boot/dts/imx6q-dmo-edmqmx6.dts
@@ -19,7 +19,10 @@
 	compatible = "dmo,imx6q-edmqmx6", "fsl,imx6q";
 
 	aliases {
-		gpio7 = &stmpe_gpio;
+		gpio7 = &stmpe_gpio1;
+		gpio8 = &stmpe_gpio2;
+		stmpe-i2c0 = &stmpe1;
+		stmpe-i2c1 = &stmpe2;
 	};
 
 	memory {
@@ -40,13 +43,15 @@
 			regulator-always-on;
 		};
 
-		reg_usb_otg_vbus: regulator@1 {
+		reg_usb_otg_switch: regulator@1 {
 			compatible = "regulator-fixed";
 			reg = <1>;
-			regulator-name = "usb_otg_vbus";
+			regulator-name = "usb_otg_switch";
 			regulator-min-microvolt = <5000000>;
 			regulator-max-microvolt = <5000000>;
 			gpio = <&gpio7 12 0>;
+			regulator-boot-on;
+			regulator-always-on;
 		};
 
 		reg_usb_host1: regulator@2 {
@@ -65,23 +70,23 @@
 
 		led-blue {
 			label = "blue";
-			gpios = <&stmpe_gpio 8 GPIO_ACTIVE_HIGH>;
+			gpios = <&stmpe_gpio1 8 GPIO_ACTIVE_HIGH>;
 			linux,default-trigger = "heartbeat";
 		};
 
 		led-green {
 			label = "green";
-			gpios = <&stmpe_gpio 9 GPIO_ACTIVE_HIGH>;
+			gpios = <&stmpe_gpio1 9 GPIO_ACTIVE_HIGH>;
 		};
 
 		led-pink {
 			label = "pink";
-			gpios = <&stmpe_gpio 10 GPIO_ACTIVE_HIGH>;
+			gpios = <&stmpe_gpio1 10 GPIO_ACTIVE_HIGH>;
 		};
 
 		led-red {
 			label = "red";
-			gpios = <&stmpe_gpio 11 GPIO_ACTIVE_HIGH>;
+			gpios = <&stmpe_gpio1 11 GPIO_ACTIVE_HIGH>;
 		};
 	};
 };
@@ -99,7 +104,8 @@
 	clock-frequency = <100000>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_i2c2
-		     &pinctrl_stmpe>;
+		     &pinctrl_stmpe1
+		     &pinctrl_stmpe2>;
 	status = "okay";
 
 	pmic: pfuze100@08 {
@@ -205,13 +211,25 @@
 		};
 	};
 
-	stmpe: stmpe1601@40 {
+	stmpe1: stmpe1601@40 {
 		compatible = "st,stmpe1601";
 		reg = <0x40>;
 		interrupts = <30 0>;
 		interrupt-parent = <&gpio3>;
 
-		stmpe_gpio: stmpe_gpio {
+		stmpe_gpio1: stmpe_gpio {
+			#gpio-cells = <2>;
+			compatible = "st,stmpe-gpio";
+		};
+	};
+
+	stmpe2: stmpe1601@44 {
+		compatible = "st,stmpe1601";
+		reg = <0x44>;
+		interrupts = <2 0>;
+		interrupt-parent = <&gpio5>;
+
+		stmpe_gpio2: stmpe_gpio {
 			#gpio-cells = <2>;
 			compatible = "st,stmpe-gpio";
 		};
@@ -273,10 +291,14 @@
 			>;
 		};
 
-		pinctrl_stmpe: stmpegrp {
+		pinctrl_stmpe1: stmpe1grp {
 			fsl,pins = <MX6QDL_PAD_EIM_D30__GPIO3_IO30 0x80000000>;
 		};
 
+		pinctrl_stmpe2: stmpe2grp {
+			fsl,pins = <MX6QDL_PAD_EIM_A25__GPIO5_IO02 0x80000000>;
+		};
+
 		pinctrl_uart1: uart1grp {
 			fsl,pins = <
 				MX6QDL_PAD_SD3_DAT7__UART1_TX_DATA	0x1b0b1
@@ -293,7 +315,7 @@
 
 		pinctrl_usbotg: usbotggrp {
 			fsl,pins = <
-				MX6QDL_PAD_GPIO_1__USB_OTG_ID		0x17059
+				MX6QDL_PAD_ENET_RX_ER__USB_OTG_ID	0x17059
 			>;
 		};
 
@@ -344,11 +366,11 @@
 &usbh1 {
 	vbus-supply = <&reg_usb_host1>;
 	disable-over-current;
+	dr_mode = "host";
 	status = "okay";
 };
 
 &usbotg {
-	vbus-supply = <&reg_usb_otg_vbus>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_usbotg>;
 	disable-over-current;
diff --git a/arch/arm/boot/dts/imx6q-gw5400-a.dts b/arch/arm/boot/dts/imx6q-gw5400-a.dts
index 902f98310481..e51bb3f0fd56 100644
--- a/arch/arm/boot/dts/imx6q-gw5400-a.dts
+++ b/arch/arm/boot/dts/imx6q-gw5400-a.dts
@@ -487,9 +487,6 @@
 
 &ldb {
 	status = "okay";
-	lvds-channel@0 {
-		crtcs = <&ipu1 0>, <&ipu1 1>, <&ipu2 0>, <&ipu2 1>;
-	};
 };
 
 &pcie {
diff --git a/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi
index 8e99c9a9bc76..035d3a85c318 100644
--- a/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi
@@ -436,9 +436,6 @@
 
 &ldb {
 	status = "okay";
-	lvds-channel@0 {
-		crtcs = <&ipu1 0>, <&ipu1 1>;
-	};
 };
 
 &pcie {
diff --git a/arch/arm/boot/dts/imx6qdl-microsom-ar8035.dtsi b/arch/arm/boot/dts/imx6qdl-microsom-ar8035.dtsi
index a3cb2fff8f61..d16066608e21 100644
--- a/arch/arm/boot/dts/imx6qdl-microsom-ar8035.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-microsom-ar8035.dtsi
@@ -26,25 +26,25 @@
 				/* GPIO16 -> AR8035 25MHz */
 				MX6QDL_PAD_GPIO_16__ENET_REF_CLK	0xc0000000
 				MX6QDL_PAD_RGMII_TXC__RGMII_TXC		0x80000000
-				MX6QDL_PAD_RGMII_TD0__RGMII_TD0		0x1b0b0
-				MX6QDL_PAD_RGMII_TD1__RGMII_TD1		0x1b0b0
-				MX6QDL_PAD_RGMII_TD2__RGMII_TD2		0x1b0b0
-				MX6QDL_PAD_RGMII_TD3__RGMII_TD3		0x1b0b0
-				MX6QDL_PAD_RGMII_TX_CTL__RGMII_TX_CTL	0x1b0b0
+				MX6QDL_PAD_RGMII_TD0__RGMII_TD0		0x1b030
+				MX6QDL_PAD_RGMII_TD1__RGMII_TD1		0x1b030
+				MX6QDL_PAD_RGMII_TD2__RGMII_TD2		0x1b030
+				MX6QDL_PAD_RGMII_TD3__RGMII_TD3		0x1b030
+				MX6QDL_PAD_RGMII_TX_CTL__RGMII_TX_CTL	0x1b030
 				/* AR8035 CLK_25M --> ENET_REF_CLK (V22) */
 				MX6QDL_PAD_ENET_REF_CLK__ENET_TX_CLK	0x0a0b1
 				/* AR8035 pin strapping: IO voltage: pull up */
-				MX6QDL_PAD_RGMII_RXC__RGMII_RXC		0x1b0b0
+				MX6QDL_PAD_RGMII_RXC__RGMII_RXC		0x1b030
 				/* AR8035 pin strapping: PHYADDR#0: pull down */
-				MX6QDL_PAD_RGMII_RD0__RGMII_RD0		0x130b0
+				MX6QDL_PAD_RGMII_RD0__RGMII_RD0		0x13030
 				/* AR8035 pin strapping: PHYADDR#1: pull down */
-				MX6QDL_PAD_RGMII_RD1__RGMII_RD1		0x130b0
+				MX6QDL_PAD_RGMII_RD1__RGMII_RD1		0x13030
 				/* AR8035 pin strapping: MODE#1: pull up */
-				MX6QDL_PAD_RGMII_RD2__RGMII_RD2		0x1b0b0
+				MX6QDL_PAD_RGMII_RD2__RGMII_RD2		0x1b030
 				/* AR8035 pin strapping: MODE#3: pull up */
-				MX6QDL_PAD_RGMII_RD3__RGMII_RD3		0x1b0b0
+				MX6QDL_PAD_RGMII_RD3__RGMII_RD3		0x1b030
 				/* AR8035 pin strapping: MODE#0: pull down */
-				MX6QDL_PAD_RGMII_RX_CTL__RGMII_RX_CTL	0x130b0
+				MX6QDL_PAD_RGMII_RX_CTL__RGMII_RX_CTL	0x13030
 
 				/*
 				 * As the RMII pins are also connected to RGMII
diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi
index 55cb926fa3f7..eca0971d4db1 100644
--- a/arch/arm/boot/dts/imx6qdl.dtsi
+++ b/arch/arm/boot/dts/imx6qdl.dtsi
@@ -10,6 +10,8 @@
  * http://www.gnu.org/copyleft/gpl.html
  */
 
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
 #include "skeleton.dtsi"
 
 / {
@@ -46,8 +48,6 @@
 	intc: interrupt-controller@00a01000 {
 		compatible = "arm,cortex-a9-gic";
 		#interrupt-cells = <3>;
-		#address-cells = <1>;
-		#size-cells = <1>;
 		interrupt-controller;
 		reg = <0x00a01000 0x1000>,
 		      <0x00a00100 0x100>;
@@ -59,16 +59,19 @@
 
 		ckil {
 			compatible = "fsl,imx-ckil", "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <32768>;
 		};
 
 		ckih1 {
 			compatible = "fsl,imx-ckih1", "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <0>;
 		};
 
 		osc {
 			compatible = "fsl,imx-osc", "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <24000000>;
 		};
 	};
@@ -138,6 +141,12 @@
 				  0x82000000 0 0x01000000 0x01000000 0 0x00f00000>; /* non-prefetchable memory */
 			num-lanes = <1>;
 			interrupts = <0 123 IRQ_TYPE_LEVEL_HIGH>;
+			#interrupt-cells = <1>;
+			interrupt-map-mask = <0 0 0 0x7>;
+			interrupt-map = <0 0 0 1 &intc GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>,
+			                <0 0 0 2 &intc GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>,
+			                <0 0 0 3 &intc GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>,
+			                <0 0 0 4 &intc GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&clks 189>, <&clks 187>, <&clks 206>, <&clks 144>;
 			clock-names = "pcie_ref_125m", "sata_ref_100m", "lvds_gate", "pcie_axi";
 			status = "disabled";
diff --git a/arch/arm/boot/dts/imx6sl-evk.dts b/arch/arm/boot/dts/imx6sl-evk.dts
index 864d8dfb51ca..a8d9a93fab85 100644
--- a/arch/arm/boot/dts/imx6sl-evk.dts
+++ b/arch/arm/boot/dts/imx6sl-evk.dts
@@ -282,6 +282,7 @@
 				MX6SL_PAD_ECSPI1_MISO__ECSPI1_MISO	0x100b1
 				MX6SL_PAD_ECSPI1_MOSI__ECSPI1_MOSI	0x100b1
 				MX6SL_PAD_ECSPI1_SCLK__ECSPI1_SCLK	0x100b1
+				MX6SL_PAD_ECSPI1_SS0__GPIO4_IO11	0x80000000
 			>;
 		};
 
diff --git a/arch/arm/boot/dts/imx6sl.dtsi b/arch/arm/boot/dts/imx6sl.dtsi
index 3cb4941afeef..d26b099260a3 100644
--- a/arch/arm/boot/dts/imx6sl.dtsi
+++ b/arch/arm/boot/dts/imx6sl.dtsi
@@ -68,8 +68,6 @@
 	intc: interrupt-controller@00a01000 {
 		compatible = "arm,cortex-a9-gic";
 		#interrupt-cells = <3>;
-		#address-cells = <1>;
-		#size-cells = <1>;
 		interrupt-controller;
 		reg = <0x00a01000 0x1000>,
 		      <0x00a00100 0x100>;
@@ -81,11 +79,13 @@
 
 		ckil {
 			compatible = "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <32768>;
 		};
 
 		osc {
 			compatible = "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <24000000>;
 		};
 	};
diff --git a/arch/arm/boot/dts/kirkwood-b3.dts b/arch/arm/boot/dts/kirkwood-b3.dts
index 40791053106b..6becedebaa4e 100644
--- a/arch/arm/boot/dts/kirkwood-b3.dts
+++ b/arch/arm/boot/dts/kirkwood-b3.dts
@@ -75,7 +75,7 @@
 			m25p16@0 {
 				#address-cells = <1>;
 				#size-cells = <1>;
-				compatible = "m25p16";
+				compatible = "st,m25p16";
 				reg = <0>;
 				spi-max-frequency = <40000000>;
 				mode = <0>;
diff --git a/arch/arm/boot/dts/kirkwood-cloudbox.dts b/arch/arm/boot/dts/kirkwood-cloudbox.dts
index 0e06fd3cee4d..3b62aeeaa3a2 100644
--- a/arch/arm/boot/dts/kirkwood-cloudbox.dts
+++ b/arch/arm/boot/dts/kirkwood-cloudbox.dts
@@ -46,7 +46,7 @@
 			flash@0 {
 				#address-cells = <1>;
 				#size-cells = <1>;
-				compatible = "mx25l4005a";
+				compatible = "mxicy,mx25l4005a";
 				reg = <0>;
 				spi-max-frequency = <20000000>;
 				mode = <0>;
diff --git a/arch/arm/boot/dts/kirkwood-dreamplug.dts b/arch/arm/boot/dts/kirkwood-dreamplug.dts
index ef3463e0ae19..28b3ee369778 100644
--- a/arch/arm/boot/dts/kirkwood-dreamplug.dts
+++ b/arch/arm/boot/dts/kirkwood-dreamplug.dts
@@ -43,7 +43,7 @@
 			m25p40@0 {
 				#address-cells = <1>;
 				#size-cells = <1>;
-				compatible = "mx25l1606e";
+				compatible = "mxicy,mx25l1606e";
 				reg = <0>;
 				spi-max-frequency = <50000000>;
 				mode = <0>;
diff --git a/arch/arm/boot/dts/kirkwood-laplug.dts b/arch/arm/boot/dts/kirkwood-laplug.dts
index c9e82eff9bf2..6761ffa2c4ab 100644
--- a/arch/arm/boot/dts/kirkwood-laplug.dts
+++ b/arch/arm/boot/dts/kirkwood-laplug.dts
@@ -48,7 +48,7 @@
 			status = "okay";
 
 			eeprom@50 {
-				compatible = "at,24c04";
+				compatible = "atmel,24c04";
 				pagesize = <16>;
 				reg = <0x50>;
 			};
diff --git a/arch/arm/boot/dts/kirkwood-mv88f6281gtw-ge.dts b/arch/arm/boot/dts/kirkwood-mv88f6281gtw-ge.dts
index 2cb0dc529165..32c6fb4a1162 100644
--- a/arch/arm/boot/dts/kirkwood-mv88f6281gtw-ge.dts
+++ b/arch/arm/boot/dts/kirkwood-mv88f6281gtw-ge.dts
@@ -56,7 +56,7 @@
 			flash@0 {
 				#address-cells = <1>;
 				#size-cells = <1>;
-				compatible = "mx25l12805d";
+				compatible = "mxicy,mx25l12805d";
 				reg = <0>;
 				spi-max-frequency = <50000000>;
 				mode = <0>;
diff --git a/arch/arm/boot/dts/kirkwood-ns2-common.dtsi b/arch/arm/boot/dts/kirkwood-ns2-common.dtsi
index 743152f31a81..e6e5ec4fe6b9 100644
--- a/arch/arm/boot/dts/kirkwood-ns2-common.dtsi
+++ b/arch/arm/boot/dts/kirkwood-ns2-common.dtsi
@@ -32,7 +32,7 @@
 			flash@0 {
 				#address-cells = <1>;
 				#size-cells = <1>;
-				compatible = "mx25l4005a";
+				compatible = "mxicy,mx25l4005a";
 				reg = <0>;
 				spi-max-frequency = <20000000>;
 				mode = <0>;
@@ -50,7 +50,7 @@
 			status = "okay";
 
 			eeprom@50 {
-				compatible = "at,24c04";
+				compatible = "atmel,24c04";
 				pagesize = <16>;
 				reg = <0x50>;
 			};
diff --git a/arch/arm/boot/dts/kirkwood-nsa310.dts b/arch/arm/boot/dts/kirkwood-nsa310.dts
index 03fa24cf3344..0a07af9d8e58 100644
--- a/arch/arm/boot/dts/kirkwood-nsa310.dts
+++ b/arch/arm/boot/dts/kirkwood-nsa310.dts
@@ -104,7 +104,7 @@
 			status = "okay";
 
 			adt7476: adt7476a@2e {
-				compatible = "adt7476";
+				compatible = "adi,adt7476";
 				reg = <0x2e>;
 			};
 		};
diff --git a/arch/arm/boot/dts/kirkwood-nsa310a.dts b/arch/arm/boot/dts/kirkwood-nsa310a.dts
index a5e779452867..27ca6a79c48a 100644
--- a/arch/arm/boot/dts/kirkwood-nsa310a.dts
+++ b/arch/arm/boot/dts/kirkwood-nsa310a.dts
@@ -94,7 +94,7 @@
 			status = "okay";
 
 			lm85: lm85@2e {
-				compatible = "lm85";
+				compatible = "national,lm85";
 				reg = <0x2e>;
 			};
 		};
diff --git a/arch/arm/boot/dts/kirkwood-openblocks_a6.dts b/arch/arm/boot/dts/kirkwood-openblocks_a6.dts
index b88da9392c32..0650beafc1de 100644
--- a/arch/arm/boot/dts/kirkwood-openblocks_a6.dts
+++ b/arch/arm/boot/dts/kirkwood-openblocks_a6.dts
@@ -40,7 +40,7 @@
 			pinctrl-names = "default";
 
 			s35390a: s35390a@30 {
-				compatible = "s35390a";
+				compatible = "sii,s35390a";
 				reg = <0x30>;
 			};
 		};
diff --git a/arch/arm/boot/dts/kirkwood-openblocks_a7.dts b/arch/arm/boot/dts/kirkwood-openblocks_a7.dts
index b2f7cae06839..38520a287514 100644
--- a/arch/arm/boot/dts/kirkwood-openblocks_a7.dts
+++ b/arch/arm/boot/dts/kirkwood-openblocks_a7.dts
@@ -52,7 +52,7 @@
 			pinctrl-names = "default";
 
 			s24c02: s24c02@50 {
-				compatible = "24c02";
+				compatible = "atmel,24c02";
 				reg = <0x50>;
 			};
 		};
diff --git a/arch/arm/boot/dts/omap3-beagle-xm-ab.dts b/arch/arm/boot/dts/omap3-beagle-xm-ab.dts
new file mode 100644
index 000000000000..7ac3bcf59d59
--- /dev/null
+++ b/arch/arm/boot/dts/omap3-beagle-xm-ab.dts
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include "omap3-beagle-xm.dts"
+
+/ {
+	/* HS USB Port 2 Power enable was inverted with the xM C */
+	hsusb2_power: hsusb2_power_reg {
+		enable-active-high;
+	};
+};
diff --git a/arch/arm/boot/dts/omap3-devkit8000.dts b/arch/arm/boot/dts/omap3-devkit8000.dts
index bf5a515a3247..da402f0fdab4 100644
--- a/arch/arm/boot/dts/omap3-devkit8000.dts
+++ b/arch/arm/boot/dts/omap3-devkit8000.dts
@@ -112,7 +112,6 @@
 		reg = <0 0 0>; /* CS0, offset 0 */
 		nand-bus-width = <16>;
 
-		gpmc,device-nand;
 		gpmc,sync-clk-ps = <0>;
 		gpmc,cs-on-ns = <0>;
 		gpmc,cs-rd-off-ns = <44>;
diff --git a/arch/arm/boot/dts/omap3-lilly-a83x.dtsi b/arch/arm/boot/dts/omap3-lilly-a83x.dtsi
index 6369d9f43ca2..cc1dce6978f5 100644
--- a/arch/arm/boot/dts/omap3-lilly-a83x.dtsi
+++ b/arch/arm/boot/dts/omap3-lilly-a83x.dtsi
@@ -368,7 +368,6 @@
 		/* no elm on omap3 */
 
 		gpmc,mux-add-data = <0>;
-		gpmc,device-nand;
 		gpmc,device-width = <2>;
 		gpmc,wait-pin = <0>;
 		gpmc,wait-monitoring-ns = <0>;
diff --git a/arch/arm/boot/dts/omap3.dtsi b/arch/arm/boot/dts/omap3.dtsi
index 5e5790f631eb..acb9019dc437 100644
--- a/arch/arm/boot/dts/omap3.dtsi
+++ b/arch/arm/boot/dts/omap3.dtsi
@@ -74,7 +74,7 @@
 	/*
 	 * XXX: Use a flat representation of the OMAP3 interconnect.
 	 * The real OMAP interconnect network is quite complex.
-	 * Since that will not bring real advantage to represent that in DT for
+	 * Since it will not bring real advantage to represent that in DT for
 	 * the moment, just use a fake OCP bus entry to represent the whole bus
 	 * hierarchy.
 	 */
diff --git a/arch/arm/boot/dts/omap4.dtsi b/arch/arm/boot/dts/omap4.dtsi
index 27fcac874742..649b5cd38b40 100644
--- a/arch/arm/boot/dts/omap4.dtsi
+++ b/arch/arm/boot/dts/omap4.dtsi
@@ -72,7 +72,7 @@
 	};
 
 	/*
-	 * The soc node represents the soc top level view. It is uses for IPs
+	 * The soc node represents the soc top level view. It is used for IPs
 	 * that are not memory mapped in the MPU view or for the MPU itself.
 	 */
 	soc {
@@ -96,7 +96,7 @@
 	/*
 	 * XXX: Use a flat representation of the OMAP4 interconnect.
 	 * The real OMAP interconnect network is quite complex.
-	 * Since that will not bring real advantage to represent that in DT for
+	 * Since it will not bring real advantage to represent that in DT for
 	 * the moment, just use a fake OCP bus entry to represent the whole bus
 	 * hierarchy.
 	 */
diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi
index 6f3de22fb266..f8c9855ce587 100644
--- a/arch/arm/boot/dts/omap5.dtsi
+++ b/arch/arm/boot/dts/omap5.dtsi
@@ -93,7 +93,7 @@
 	};
 
 	/*
-	 * The soc node represents the soc top level view. It is uses for IPs
+	 * The soc node represents the soc top level view. It is used for IPs
 	 * that are not memory mapped in the MPU view or for the MPU itself.
 	 */
 	soc {
@@ -107,7 +107,7 @@
 	/*
 	 * XXX: Use a flat representation of the OMAP3 interconnect.
 	 * The real OMAP interconnect network is quite complex.
-	 * Since that will not bring real advantage to represent that in DT for
+	 * Since it will not bring real advantage to represent that in DT for
 	 * the moment, just use a fake OCP bus entry to represent the whole bus
 	 * hierarchy.
 	 */
@@ -813,6 +813,12 @@
 				      <0x4a084c00 0x40>;
 				reg-names = "phy_rx", "phy_tx", "pll_ctrl";
 				ctrl-module = <&omap_control_usb3phy>;
+				clocks = <&usb_phy_cm_clk32k>,
+					 <&sys_clkin>,
+					 <&usb_otg_ss_refclk960m>;
+				clock-names =	"wkupclk",
+						"sysclk",
+						"refclk";
 				#phy-cells = <0>;
 			};
 		};
diff --git a/arch/arm/boot/dts/r8a7740.dtsi b/arch/arm/boot/dts/r8a7740.dtsi
index 8280884bfa59..2551e9438d35 100644
--- a/arch/arm/boot/dts/r8a7740.dtsi
+++ b/arch/arm/boot/dts/r8a7740.dtsi
@@ -28,7 +28,6 @@
 	gic: interrupt-controller@c2800000 {
 		compatible = "arm,cortex-a9-gic";
 		#interrupt-cells = <3>;
-		#address-cells = <1>;
 		interrupt-controller;
 		reg = <0xc2800000 0x1000>,
 		      <0xc2000000 0x1000>;
diff --git a/arch/arm/boot/dts/r8a7790-lager.dts b/arch/arm/boot/dts/r8a7790-lager.dts
index 6e99eb2df076..d01048ab3e77 100644
--- a/arch/arm/boot/dts/r8a7790-lager.dts
+++ b/arch/arm/boot/dts/r8a7790-lager.dts
@@ -141,12 +141,12 @@
 	};
 
 	sdhi0_pins: sd0 {
-		renesas,gpios = "sdhi0_data4", "sdhi0_ctrl";
+		renesas,groups = "sdhi0_data4", "sdhi0_ctrl";
 		renesas,function = "sdhi0";
 	};
 
 	sdhi2_pins: sd2 {
-		renesas,gpios = "sdhi2_data4", "sdhi2_ctrl";
+		renesas,groups = "sdhi2_data4", "sdhi2_ctrl";
 		renesas,function = "sdhi2";
 	};
 
diff --git a/arch/arm/boot/dts/r8a7791-koelsch.dts b/arch/arm/boot/dts/r8a7791-koelsch.dts
index bdd73e6657b2..de1b6977c69a 100644
--- a/arch/arm/boot/dts/r8a7791-koelsch.dts
+++ b/arch/arm/boot/dts/r8a7791-koelsch.dts
@@ -230,17 +230,17 @@
 	};
 
 	sdhi0_pins: sd0 {
-		renesas,gpios = "sdhi0_data4", "sdhi0_ctrl";
+		renesas,groups = "sdhi0_data4", "sdhi0_ctrl";
 		renesas,function = "sdhi0";
 	};
 
 	sdhi1_pins: sd1 {
-		renesas,gpios = "sdhi1_data4", "sdhi1_ctrl";
+		renesas,groups = "sdhi1_data4", "sdhi1_ctrl";
 		renesas,function = "sdhi1";
 	};
 
 	sdhi2_pins: sd2 {
-		renesas,gpios = "sdhi2_data4", "sdhi2_ctrl";
+		renesas,groups = "sdhi2_data4", "sdhi2_ctrl";
 		renesas,function = "sdhi2";
 	};
 
diff --git a/arch/arm/boot/dts/rk3188.dtsi b/arch/arm/boot/dts/rk3188.dtsi
index bb36596ea205..ed9a70af3e3f 100644
--- a/arch/arm/boot/dts/rk3188.dtsi
+++ b/arch/arm/boot/dts/rk3188.dtsi
@@ -149,7 +149,7 @@
 
 			uart0 {
 				uart0_xfer: uart0-xfer {
-					rockchip,pins = <RK_GPIO1 0 RK_FUNC_1 &pcfg_pull_none>,
+					rockchip,pins = <RK_GPIO1 0 RK_FUNC_1 &pcfg_pull_up>,
 							<RK_GPIO1 1 RK_FUNC_1 &pcfg_pull_none>;
 				};
 
@@ -164,7 +164,7 @@
 
 			uart1 {
 				uart1_xfer: uart1-xfer {
-					rockchip,pins = <RK_GPIO1 4 RK_FUNC_1 &pcfg_pull_none>,
+					rockchip,pins = <RK_GPIO1 4 RK_FUNC_1 &pcfg_pull_up>,
 							<RK_GPIO1 5 RK_FUNC_1 &pcfg_pull_none>;
 				};
 
@@ -179,7 +179,7 @@
 
 			uart2 {
 				uart2_xfer: uart2-xfer {
-					rockchip,pins = <RK_GPIO1 8 RK_FUNC_1 &pcfg_pull_none>,
+					rockchip,pins = <RK_GPIO1 8 RK_FUNC_1 &pcfg_pull_up>,
 							<RK_GPIO1 9 RK_FUNC_1 &pcfg_pull_none>;
 				};
 				/* no rts / cts for uart2 */
@@ -187,7 +187,7 @@
 
 			uart3 {
 				uart3_xfer: uart3-xfer {
-					rockchip,pins = <RK_GPIO1 10 RK_FUNC_1 &pcfg_pull_none>,
+					rockchip,pins = <RK_GPIO1 10 RK_FUNC_1 &pcfg_pull_up>,
 							<RK_GPIO1 11 RK_FUNC_1 &pcfg_pull_none>;
 				};
 
diff --git a/arch/arm/boot/dts/sh73a0.dtsi b/arch/arm/boot/dts/sh73a0.dtsi
index b7bd3b9a6753..5ecf552e1c00 100644
--- a/arch/arm/boot/dts/sh73a0.dtsi
+++ b/arch/arm/boot/dts/sh73a0.dtsi
@@ -34,7 +34,6 @@
 	gic: interrupt-controller@f0001000 {
 		compatible = "arm,cortex-a9-gic";
 		#interrupt-cells = <3>;
-		#address-cells = <1>;
 		interrupt-controller;
 		reg = <0xf0001000 0x1000>,
 		      <0xf0000100 0x100>;
diff --git a/arch/arm/boot/dts/spear320-hmi.dts b/arch/arm/boot/dts/spear320-hmi.dts
index 3075d2d3a8be..0aa6fef5ce22 100644
--- a/arch/arm/boot/dts/spear320-hmi.dts
+++ b/arch/arm/boot/dts/spear320-hmi.dts
@@ -1,7 +1,7 @@
 /*
  * DTS file for SPEAr320 Evaluation Baord
  *
- * Copyright 2012 Shiraz Hashim <shiraz.hashim@st.com>
+ * Copyright 2012 Shiraz Hashim <shiraz.linux.kernel@gmail.com>
  *
  * The code contained herein is licensed under the GNU General Public
  * License. You may obtain a copy of the GNU General Public License
diff --git a/arch/arm/boot/dts/stih415-pinctrl.dtsi b/arch/arm/boot/dts/stih415-pinctrl.dtsi
index f09fb10a3791..81df870e5ee6 100644
--- a/arch/arm/boot/dts/stih415-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stih415-pinctrl.dtsi
@@ -49,7 +49,7 @@
 			reg 		= <0xfe61f080 0x4>;
 			reg-names	= "irqmux";
 			interrupts 	= <GIC_SPI 180 IRQ_TYPE_LEVEL_HIGH>;
-			interrupts-names = "irqmux";
+			interrupt-names	= "irqmux";
 			ranges 		= <0 0xfe610000 0x5000>;
 
 			PIO0: gpio@fe610000 {
@@ -187,7 +187,7 @@
 			reg 		= <0xfee0f080 0x4>;
 			reg-names	= "irqmux";
 			interrupts 	= <GIC_SPI 181 IRQ_TYPE_LEVEL_HIGH>;
-			interrupts-names = "irqmux";
+			interrupt-names	= "irqmux";
 			ranges		= <0 0xfee00000 0x8000>;
 
 			PIO5: gpio@fee00000 {
@@ -282,7 +282,7 @@
 			reg 		= <0xfe82f080 0x4>;
 			reg-names	= "irqmux";
 			interrupts 	= <GIC_SPI 182 IRQ_TYPE_LEVEL_HIGH>;
-			interrupts-names = "irqmux";
+			interrupt-names	= "irqmux";
 			ranges		= <0 0xfe820000 0x8000>;
 
 			PIO13: gpio@fe820000 {
@@ -423,7 +423,7 @@
 			reg 		= <0xfd6bf080 0x4>;
 			reg-names	= "irqmux";
 			interrupts 	= <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>;
-			interrupts-names = "irqmux";
+			interrupt-names	= "irqmux";
 			ranges		= <0 0xfd6b0000 0x3000>;
 
 			PIO100: gpio@fd6b0000 {
@@ -460,7 +460,7 @@
 			reg 		= <0xfd33f080 0x4>;
 			reg-names	= "irqmux";
 			interrupts 	= <GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH>;
-			interrupts-names = "irqmux";
+			interrupt-names	= "irqmux";
 			ranges		= <0 0xfd330000 0x5000>;
 
 			PIO103: gpio@fd330000 {
diff --git a/arch/arm/boot/dts/stih416-pinctrl.dtsi b/arch/arm/boot/dts/stih416-pinctrl.dtsi
index aeea304086eb..250d5ecc951e 100644
--- a/arch/arm/boot/dts/stih416-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stih416-pinctrl.dtsi
@@ -53,7 +53,7 @@
 			reg 		= <0xfe61f080 0x4>;
 			reg-names	= "irqmux";
 			interrupts 	= <GIC_SPI 182 IRQ_TYPE_LEVEL_HIGH>;
-			interrupts-names = "irqmux";
+			interrupt-names	= "irqmux";
 			ranges		= <0 0xfe610000 0x6000>;
 
 			PIO0: gpio@fe610000 {
@@ -201,7 +201,7 @@
 			reg 		= <0xfee0f080 0x4>;
 			reg-names	= "irqmux";
 			interrupts 	= <GIC_SPI 183 IRQ_TYPE_LEVEL_HIGH>;
-			interrupts-names = "irqmux";
+			interrupt-names	= "irqmux";
 			ranges		= <0 0xfee00000 0x10000>;
 
 			PIO5: gpio@fee00000 {
@@ -333,7 +333,7 @@
 			reg 		= <0xfe82f080 0x4>;
 			reg-names	= "irqmux";
 			interrupts 	= <GIC_SPI 184 IRQ_TYPE_LEVEL_HIGH>;
-			interrupts-names = "irqmux";
+			interrupt-names	= "irqmux";
 			ranges 		= <0 0xfe820000 0x6000>;
 
 			PIO13: gpio@fe820000 {
@@ -461,7 +461,7 @@
 			reg 		= <0xfd6bf080 0x4>;
 			reg-names	= "irqmux";
 			interrupts 	= <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>;
-			interrupts-names = "irqmux";
+			interrupt-names	= "irqmux";
 			ranges		= <0 0xfd6b0000 0x3000>;
 
 			PIO100: gpio@fd6b0000 {
@@ -498,7 +498,7 @@
 			reg 		= <0xfd33f080 0x4>;
 			reg-names	= "irqmux";
 			interrupts 	= <GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH>;
-			interrupts-names = "irqmux";
+			interrupt-names	= "irqmux";
 			ranges			= <0 0xfd330000 0x5000>;
 
 			PIO103: gpio@fd330000 {
diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi
index cf45a1a39483..6d540a025148 100644
--- a/arch/arm/boot/dts/tegra124.dtsi
+++ b/arch/arm/boot/dts/tegra124.dtsi
@@ -233,19 +233,6 @@
 		status = "disabled";
 	};
 
-	serial@0,70006400 {
-		compatible = "nvidia,tegra124-uart", "nvidia,tegra20-uart";
-		reg = <0x0 0x70006400 0x0 0x40>;
-		reg-shift = <2>;
-		interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>;
-		clocks = <&tegra_car TEGRA124_CLK_UARTE>;
-		resets = <&tegra_car 66>;
-		reset-names = "serial";
-		dmas = <&apbdma 20>, <&apbdma 20>;
-		dma-names = "rx", "tx";
-		status = "disabled";
-	};
-
 	pwm@0,7000a000 {
 		compatible = "nvidia,tegra124-pwm", "nvidia,tegra20-pwm";
 		reg = <0x0 0x7000a000 0x0 0x100>;
diff --git a/arch/arm/boot/dts/vf610-twr.dts b/arch/arm/boot/dts/vf610-twr.dts
index 7dd1d6ede525..ded361075aab 100644
--- a/arch/arm/boot/dts/vf610-twr.dts
+++ b/arch/arm/boot/dts/vf610-twr.dts
@@ -25,11 +25,13 @@
 	clocks {
 		audio_ext {
 			compatible = "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <24576000>;
 		};
 
 		enet_ext {
 			compatible = "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <50000000>;
 		};
 	};
diff --git a/arch/arm/boot/dts/vf610.dtsi b/arch/arm/boot/dts/vf610.dtsi
index 804873367669..b8ce0aa7b157 100644
--- a/arch/arm/boot/dts/vf610.dtsi
+++ b/arch/arm/boot/dts/vf610.dtsi
@@ -45,11 +45,13 @@
 
 		sxosc {
 			compatible = "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <32768>;
 		};
 
 		fxosc {
 			compatible = "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <24000000>;
 		};
 	};
@@ -72,8 +74,6 @@
 			intc: interrupt-controller@40002000 {
 				compatible = "arm,cortex-a9-gic";
 				#interrupt-cells = <3>;
-				#address-cells = <1>;
-				#size-cells = <1>;
 				interrupt-controller;
 				reg = <0x40003000 0x1000>,
 				      <0x40002100 0x100>;
diff --git a/arch/arm/boot/dts/zynq-7000.dtsi b/arch/arm/boot/dts/zynq-7000.dtsi
index 511180769af5..c1176abc34d9 100644
--- a/arch/arm/boot/dts/zynq-7000.dtsi
+++ b/arch/arm/boot/dts/zynq-7000.dtsi
@@ -24,6 +24,7 @@
 			device_type = "cpu";
 			reg = <0>;
 			clocks = <&clkc 3>;
+			clock-latency = <1000>;
 			operating-points = <
 				/* kHz    uV */
 				666667  1000000
@@ -54,6 +55,28 @@
 		interrupt-parent = <&intc>;
 		ranges;
 
+		i2c0: zynq-i2c@e0004000 {
+			compatible = "cdns,i2c-r1p10";
+			status = "disabled";
+			clocks = <&clkc 38>;
+			interrupt-parent = <&intc>;
+			interrupts = <0 25 4>;
+			reg = <0xe0004000 0x1000>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
+		i2c1: zynq-i2c@e0005000 {
+			compatible = "cdns,i2c-r1p10";
+			status = "disabled";
+			clocks = <&clkc 39>;
+			interrupt-parent = <&intc>;
+			interrupts = <0 48 4>;
+			reg = <0xe0005000 0x1000>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
 		intc: interrupt-controller@f8f01000 {
 			compatible = "arm,cortex-a9-gic";
 			#interrupt-cells = <3>;
diff --git a/arch/arm/boot/dts/zynq-zc702.dts b/arch/arm/boot/dts/zynq-zc702.dts
index c913f77a21eb..5e09cee33d42 100644
--- a/arch/arm/boot/dts/zynq-zc702.dts
+++ b/arch/arm/boot/dts/zynq-zc702.dts
@@ -34,6 +34,82 @@
 	phy-mode = "rgmii";
 };
 
+&i2c0 {
+	status = "okay";
+	clock-frequency = <400000>;
+
+	i2cswitch@74 {
+		compatible = "nxp,pca9548";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		reg = <0x74>;
+
+		i2c@0 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0>;
+			si570: clock-generator@5d {
+				#clock-cells = <0>;
+				compatible = "silabs,si570";
+				temperature-stability = <50>;
+				reg = <0x5d>;
+				factory-fout = <156250000>;
+				clock-frequency = <148500000>;
+			};
+		};
+
+		i2c@2 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <2>;
+			eeprom@54 {
+				compatible = "at,24c08";
+				reg = <0x54>;
+			};
+		};
+
+		i2c@3 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <3>;
+			gpio@21 {
+				compatible = "ti,tca6416";
+				reg = <0x21>;
+				gpio-controller;
+				#gpio-cells = <2>;
+			};
+		};
+
+		i2c@4 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <4>;
+			rtc@51 {
+				compatible = "nxp,pcf8563";
+				reg = <0x51>;
+			};
+		};
+
+		i2c@7 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <7>;
+			hwmon@52 {
+				compatible = "ti,ucd9248";
+				reg = <52>;
+			};
+			hwmon@53 {
+				compatible = "ti,ucd9248";
+				reg = <53>;
+			};
+			hwmon@54 {
+				compatible = "ti,ucd9248";
+				reg = <54>;
+			};
+		};
+	};
+};
+
 &sdhci0 {
 	status = "okay";
 };
diff --git a/arch/arm/boot/dts/zynq-zc706.dts b/arch/arm/boot/dts/zynq-zc706.dts
index 88f62c50382e..4cc9913078cd 100644
--- a/arch/arm/boot/dts/zynq-zc706.dts
+++ b/arch/arm/boot/dts/zynq-zc706.dts
@@ -35,6 +35,74 @@
 	phy-mode = "rgmii";
 };
 
+&i2c0 {
+	status = "okay";
+	clock-frequency = <400000>;
+
+	i2cswitch@74 {
+		compatible = "nxp,pca9548";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		reg = <0x74>;
+
+		i2c@0 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0>;
+			si570: clock-generator@5d {
+				#clock-cells = <0>;
+				compatible = "silabs,si570";
+				temperature-stability = <50>;
+				reg = <0x5d>;
+				factory-fout = <156250000>;
+				clock-frequency = <148500000>;
+			};
+		};
+
+		i2c@2 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <2>;
+			eeprom@54 {
+				compatible = "at,24c08";
+				reg = <0x54>;
+			};
+		};
+
+		i2c@3 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <3>;
+			gpio@21 {
+				compatible = "ti,tca6416";
+				reg = <0x21>;
+				gpio-controller;
+				#gpio-cells = <2>;
+			};
+		};
+
+		i2c@4 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <4>;
+			rtc@51 {
+				compatible = "nxp,pcf8563";
+				reg = <0x51>;
+			};
+		};
+
+		i2c@7 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <7>;
+			ucd90120@65 {
+				compatible = "ti,ucd90120";
+				reg = <0x65>;
+			};
+		};
+	};
+};
+
 &sdhci0 {
 	status = "okay";
 };
diff --git a/arch/arm/common/bL_switcher.c b/arch/arm/common/bL_switcher.c
index 5774b6ea7ad5..f01c0ee0c87e 100644
--- a/arch/arm/common/bL_switcher.c
+++ b/arch/arm/common/bL_switcher.c
@@ -797,10 +797,8 @@ static int __init bL_switcher_init(void)
 {
 	int ret;
 
-	if (MAX_NR_CLUSTERS != 2) {
-		pr_err("%s: only dual cluster systems are supported\n", __func__);
-		return -EINVAL;
-	}
+	if (!mcpm_is_available())
+		return -ENODEV;
 
 	cpu_notifier(bL_switcher_hotplug_callback, 0);
 
diff --git a/arch/arm/common/mcpm_entry.c b/arch/arm/common/mcpm_entry.c
index 1e361abc29eb..86fd60fefbc9 100644
--- a/arch/arm/common/mcpm_entry.c
+++ b/arch/arm/common/mcpm_entry.c
@@ -48,6 +48,11 @@ int __init mcpm_platform_register(const struct mcpm_platform_ops *ops)
 	return 0;
 }
 
+bool mcpm_is_available(void)
+{
+	return (platform_ops) ? true : false;
+}
+
 int mcpm_cpu_power_up(unsigned int cpu, unsigned int cluster)
 {
 	if (!platform_ops)
diff --git a/arch/arm/configs/bcm_defconfig b/arch/arm/configs/bcm_defconfig
index 01004640ee4d..3df3f3a79ef4 100644
--- a/arch/arm/configs/bcm_defconfig
+++ b/arch/arm/configs/bcm_defconfig
@@ -132,7 +132,7 @@ CONFIG_CRC_ITU_T=y
 CONFIG_CRC7=y
 CONFIG_XZ_DEC=y
 CONFIG_AVERAGE=y
-CONFIG_PINCTRL_CAPRI=y
+CONFIG_PINCTRL_BCM281XX=y
 CONFIG_WATCHDOG=y
 CONFIG_BCM_KONA_WDT=y
 CONFIG_BCM_KONA_WDT_DEBUG=y
diff --git a/arch/arm/configs/exynos_defconfig b/arch/arm/configs/exynos_defconfig
index 4ce7b70ea901..e07a227ec0db 100644
--- a/arch/arm/configs/exynos_defconfig
+++ b/arch/arm/configs/exynos_defconfig
@@ -65,6 +65,7 @@ CONFIG_TCG_TIS_I2C_INFINEON=y
 CONFIG_I2C=y
 CONFIG_I2C_MUX=y
 CONFIG_I2C_ARB_GPIO_CHALLENGE=y
+CONFIG_I2C_EXYNOS5=y
 CONFIG_I2C_S3C2410=y
 CONFIG_DEBUG_GPIO=y
 # CONFIG_HWMON is not set
diff --git a/arch/arm/configs/omap2plus_defconfig b/arch/arm/configs/omap2plus_defconfig
index a9667957b757..a4e8d017f25b 100644
--- a/arch/arm/configs/omap2plus_defconfig
+++ b/arch/arm/configs/omap2plus_defconfig
@@ -226,7 +226,7 @@ CONFIG_USB_DWC3=m
 CONFIG_USB_TEST=y
 CONFIG_NOP_USB_XCEIV=y
 CONFIG_OMAP_USB2=y
-CONFIG_OMAP_USB3=y
+CONFIG_TI_PIPE3=y
 CONFIG_AM335X_PHY_USB=y
 CONFIG_USB_GADGET=y
 CONFIG_USB_GADGET_DEBUG=y
diff --git a/arch/arm/configs/u300_defconfig b/arch/arm/configs/u300_defconfig
index fd81a1b99cce..aaa95ab606a8 100644
--- a/arch/arm/configs/u300_defconfig
+++ b/arch/arm/configs/u300_defconfig
@@ -11,6 +11,7 @@ CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_LBDAF is not set
 # CONFIG_BLK_DEV_BSG is not set
+CONFIG_PARTITION_ADVANCED=y
 # CONFIG_IOSCHED_CFQ is not set
 # CONFIG_ARCH_MULTI_V7 is not set
 CONFIG_ARCH_U300=y
@@ -21,7 +22,6 @@ CONFIG_ZBOOT_ROM_TEXT=0x0
 CONFIG_ZBOOT_ROM_BSS=0x0
 CONFIG_CMDLINE="root=/dev/ram0 rw rootfstype=rootfs console=ttyAMA0,115200n8 lpj=515072"
 CONFIG_CPU_IDLE=y
-CONFIG_FPE_NWFPE=y
 # CONFIG_SUSPEND is not set
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 # CONFIG_PREVENT_FIRMWARE_BUILD is not set
@@ -64,8 +64,8 @@ CONFIG_TMPFS=y
 CONFIG_NLS_CODEPAGE_437=y
 CONFIG_NLS_ISO8859_1=y
 CONFIG_PRINTK_TIME=y
+CONFIG_DEBUG_INFO=y
 CONFIG_DEBUG_FS=y
 # CONFIG_SCHED_DEBUG is not set
 CONFIG_TIMER_STATS=y
 # CONFIG_DEBUG_PREEMPT is not set
-CONFIG_DEBUG_INFO=y
diff --git a/arch/arm/configs/u8500_defconfig b/arch/arm/configs/u8500_defconfig
index 65f77885c167..d219d6a43238 100644
--- a/arch/arm/configs/u8500_defconfig
+++ b/arch/arm/configs/u8500_defconfig
@@ -1,16 +1,16 @@
 # CONFIG_SWAP is not set
 CONFIG_SYSVIPC=y
-CONFIG_NO_HZ=y
+CONFIG_NO_HZ_IDLE=y
 CONFIG_HIGH_RES_TIMERS=y
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_KALLSYMS_ALL=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_BLK_DEV_BSG is not set
+CONFIG_PARTITION_ADVANCED=y
 CONFIG_ARCH_U8500=y
 CONFIG_MACH_HREFV60=y
 CONFIG_MACH_SNOWBALL=y
-CONFIG_MACH_UX500_DT=y
 CONFIG_SMP=y
 CONFIG_NR_CPUS=2
 CONFIG_PREEMPT=y
@@ -34,16 +34,22 @@ CONFIG_IP_PNP=y
 CONFIG_IP_PNP_DHCP=y
 CONFIG_NETFILTER=y
 CONFIG_PHONET=y
-# CONFIG_WIRELESS is not set
+CONFIG_CFG80211=y
+CONFIG_CFG80211_DEBUGFS=y
+CONFIG_MAC80211=y
+CONFIG_MAC80211_LEDS=y
 CONFIG_CAIF=y
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_DEVTMPFS=y
+CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_SIZE=65536
 CONFIG_SENSORS_BH1780=y
 CONFIG_NETDEVICES=y
 CONFIG_SMSC911X=y
 CONFIG_SMSC_PHY=y
-# CONFIG_WLAN is not set
+CONFIG_CW1200=y
+CONFIG_CW1200_WLAN_SDIO=y
 # CONFIG_INPUT_MOUSEDEV_PSAUX is not set
 CONFIG_INPUT_EVDEV=y
 # CONFIG_KEYBOARD_ATKBD is not set
@@ -85,15 +91,12 @@ CONFIG_AB8500_USB=y
 CONFIG_USB_GADGET=y
 CONFIG_USB_ETH=m
 CONFIG_MMC=y
-CONFIG_MMC_UNSAFE_RESUME=y
-# CONFIG_MMC_BLOCK_BOUNCE is not set
 CONFIG_MMC_ARMMMCI=y
 CONFIG_NEW_LEDS=y
 CONFIG_LEDS_CLASS=y
 CONFIG_LEDS_LM3530=y
 CONFIG_LEDS_GPIO=y
 CONFIG_LEDS_LP5521=y
-CONFIG_LEDS_TRIGGERS=y
 CONFIG_LEDS_TRIGGER_HEARTBEAT=y
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_AB8500=y
@@ -103,6 +106,11 @@ CONFIG_STE_DMA40=y
 CONFIG_STAGING=y
 CONFIG_TOUCHSCREEN_SYNAPTICS_I2C_RMI4=y
 CONFIG_HSEM_U8500=y
+CONFIG_IIO=y
+CONFIG_IIO_ST_ACCEL_3AXIS=y
+CONFIG_IIO_ST_GYRO_3AXIS=y
+CONFIG_IIO_ST_MAGN_3AXIS=y
+CONFIG_IIO_ST_PRESS=y
 CONFIG_EXT2_FS=y
 CONFIG_EXT2_FS_XATTR=y
 CONFIG_EXT2_FS_POSIX_ACL=y
@@ -110,8 +118,6 @@ CONFIG_EXT2_FS_SECURITY=y
 CONFIG_EXT3_FS=y
 CONFIG_EXT4_FS=y
 CONFIG_VFAT_FS=y
-CONFIG_DEVTMPFS=y
-CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_TMPFS=y
 CONFIG_TMPFS_POSIX_ACL=y
 # CONFIG_MISC_FILESYSTEMS is not set
diff --git a/arch/arm/include/asm/cputype.h b/arch/arm/include/asm/cputype.h
index c651e3b26ec7..4764344367d4 100644
--- a/arch/arm/include/asm/cputype.h
+++ b/arch/arm/include/asm/cputype.h
@@ -222,22 +222,22 @@ static inline int cpu_is_xsc3(void)
 #endif
 
 /*
- * Marvell's PJ4 core is based on V7 version. It has some modification
- * for coprocessor setting. For this reason, we need a way to distinguish
- * it.
+ * Marvell's PJ4 and PJ4B cores are based on V7 version,
+ * but require a specical sequence for enabling coprocessors.
+ * For this reason, we need a way to distinguish them.
  */
-#ifndef CONFIG_CPU_PJ4
-#define cpu_is_pj4()	0
-#else
+#if defined(CONFIG_CPU_PJ4) || defined(CONFIG_CPU_PJ4B)
 static inline int cpu_is_pj4(void)
 {
 	unsigned int id;
 
 	id = read_cpuid_id();
-	if ((id & 0xfffffff0) == 0x562f5840)
+	if ((id & 0xff0fff00) == 0x560f5800)
 		return 1;
 
 	return 0;
 }
+#else
+#define cpu_is_pj4()	0
 #endif
 #endif
diff --git a/arch/arm/include/asm/div64.h b/arch/arm/include/asm/div64.h
index 191ada6e4d2d..662c7bd06108 100644
--- a/arch/arm/include/asm/div64.h
+++ b/arch/arm/include/asm/div64.h
@@ -156,7 +156,7 @@
 		/* Select the best insn combination to perform the   */	\
 		/* actual __m * __n / (__p << 64) operation.         */	\
 		if (!__c) {						\
-			asm (	"umull	%Q0, %R0, %1, %Q2\n\t"		\
+			asm (	"umull	%Q0, %R0, %Q1, %Q2\n\t"		\
 				"mov	%Q0, #0"			\
 				: "=&r" (__res)				\
 				: "r" (__m), "r" (__n)			\
diff --git a/arch/arm/include/asm/mcpm.h b/arch/arm/include/asm/mcpm.h
index 608516ebabfe..a5ff410dcdb6 100644
--- a/arch/arm/include/asm/mcpm.h
+++ b/arch/arm/include/asm/mcpm.h
@@ -54,6 +54,13 @@ void mcpm_set_early_poke(unsigned cpu, unsigned cluster,
  */
 
 /**
+ * mcpm_is_available - returns whether MCPM is initialized and available
+ *
+ * This returns true or false accordingly.
+ */
+bool mcpm_is_available(void);
+
+/**
  * mcpm_cpu_power_up - make given CPU in given cluster runable
  *
  * @cpu: CPU number within given cluster
diff --git a/arch/arm/include/asm/tlb.h b/arch/arm/include/asm/tlb.h
index 0baf7f0d9394..f1a0dace3efe 100644
--- a/arch/arm/include/asm/tlb.h
+++ b/arch/arm/include/asm/tlb.h
@@ -98,15 +98,25 @@ static inline void __tlb_alloc_page(struct mmu_gather *tlb)
 	}
 }
 
-static inline void tlb_flush_mmu(struct mmu_gather *tlb)
+static inline void tlb_flush_mmu_tlbonly(struct mmu_gather *tlb)
 {
 	tlb_flush(tlb);
+}
+
+static inline void tlb_flush_mmu_free(struct mmu_gather *tlb)
+{
 	free_pages_and_swap_cache(tlb->pages, tlb->nr);
 	tlb->nr = 0;
 	if (tlb->pages == tlb->local)
 		__tlb_alloc_page(tlb);
 }
 
+static inline void tlb_flush_mmu(struct mmu_gather *tlb)
+{
+	tlb_flush_mmu_tlbonly(tlb);
+	tlb_flush_mmu_free(tlb);
+}
+
 static inline void
 tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned long start, unsigned long end)
 {
diff --git a/arch/arm/include/debug/s3c24xx.S b/arch/arm/include/debug/s3c24xx.S
new file mode 100644
index 000000000000..b1f54dc4888c
--- /dev/null
+++ b/arch/arm/include/debug/s3c24xx.S
@@ -0,0 +1,46 @@
+/* arch/arm/mach-s3c2410/include/mach/debug-macro.S
+ *
+ * Debugging macro include header
+ *
+ *  Copyright (C) 1994-1999 Russell King
+ *  Copyright (C) 2005 Simtec Electronics
+ *
+ *  Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/serial_s3c.h>
+
+#define S3C2410_UART1_OFF (0x4000)
+
+	.macro addruart, rp, rv, tmp
+		ldr	\rp, = CONFIG_DEBUG_UART_PHYS
+		ldr	\rv, = CONFIG_DEBUG_UART_VIRT
+	.endm
+
+	.macro  fifo_full_s3c2410 rd, rx
+		ldr	\rd, [\rx, # S3C2410_UFSTAT]
+		tst	\rd, #S3C2410_UFSTAT_TXFULL
+	.endm
+
+	.macro fifo_level_s3c2410 rd, rx
+		ldr	\rd, [\rx, # S3C2410_UFSTAT]
+		and	\rd, \rd, #S3C2410_UFSTAT_TXMASK
+	.endm
+
+/* Select the correct implementation depending on the configuration. The
+ * S3C2440 will get selected by default, as these are the most widely
+ * used variants of these
+*/
+
+#if defined(CONFIG_DEBUG_S3C2410_UART)
+#define fifo_full  fifo_full_s3c2410
+#define fifo_level fifo_level_s3c2410
+#endif
+
+/* include the reset of the code which will do the work */
+
+#include <debug/samsung.S>
diff --git a/arch/arm/include/uapi/asm/unistd.h b/arch/arm/include/uapi/asm/unistd.h
index fb5584d0cc05..ba94446c72d9 100644
--- a/arch/arm/include/uapi/asm/unistd.h
+++ b/arch/arm/include/uapi/asm/unistd.h
@@ -408,6 +408,7 @@
 #define __NR_finit_module		(__NR_SYSCALL_BASE+379)
 #define __NR_sched_setattr		(__NR_SYSCALL_BASE+380)
 #define __NR_sched_getattr		(__NR_SYSCALL_BASE+381)
+#define __NR_renameat2			(__NR_SYSCALL_BASE+382)
 
 /*
  * This may need to be greater than __NR_last_syscall+1 in order to
diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile
index a766bcbaf8ad..040619c32d68 100644
--- a/arch/arm/kernel/Makefile
+++ b/arch/arm/kernel/Makefile
@@ -79,6 +79,7 @@ obj-$(CONFIG_CPU_XSCALE)	+= xscale-cp0.o
 obj-$(CONFIG_CPU_XSC3)		+= xscale-cp0.o
 obj-$(CONFIG_CPU_MOHAWK)	+= xscale-cp0.o
 obj-$(CONFIG_CPU_PJ4)		+= pj4-cp0.o
+obj-$(CONFIG_CPU_PJ4B)		+= pj4-cp0.o
 obj-$(CONFIG_IWMMXT)		+= iwmmxt.o
 obj-$(CONFIG_PERF_EVENTS)	+= perf_regs.o
 obj-$(CONFIG_HW_PERF_EVENTS)	+= perf_event.o perf_event_cpu.o
diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S
index 166e945de832..8f51bdcdacbb 100644
--- a/arch/arm/kernel/calls.S
+++ b/arch/arm/kernel/calls.S
@@ -391,6 +391,7 @@
 		CALL(sys_finit_module)
 /* 380 */	CALL(sys_sched_setattr)
 		CALL(sys_sched_getattr)
+		CALL(sys_renameat2)
 #ifndef syscalls_counted
 .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
 #define syscalls_counted
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
index f8c08839edf3..591d6e4a6492 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -587,7 +587,7 @@ __fixup_pv_table:
 	add	r6, r6, r3	@ adjust __pv_phys_pfn_offset address
 	add	r7, r7, r3	@ adjust __pv_offset address
 	mov	r0, r8, lsr #12	@ convert to PFN
-	str	r0, [r6, #LOW_OFFSET]	@ save computed PHYS_OFFSET to __pv_phys_pfn_offset
+	str	r0, [r6]	@ save computed PHYS_OFFSET to __pv_phys_pfn_offset
 	strcc	ip, [r7, #HIGH_OFFSET]	@ save to __pv_offset high bits
 	mov	r6, r3, lsr #24	@ constant for add/sub instructions
 	teq	r3, r6, lsl #24 @ must be 16MiB aligned
diff --git a/arch/arm/kernel/iwmmxt.S b/arch/arm/kernel/iwmmxt.S
index a08783823b32..2452dd1bef53 100644
--- a/arch/arm/kernel/iwmmxt.S
+++ b/arch/arm/kernel/iwmmxt.S
@@ -19,12 +19,16 @@
 #include <asm/thread_info.h>
 #include <asm/asm-offsets.h>
 
-#if defined(CONFIG_CPU_PJ4)
+#if defined(CONFIG_CPU_PJ4) || defined(CONFIG_CPU_PJ4B)
 #define PJ4(code...)		code
 #define XSC(code...)
-#else
+#elif defined(CONFIG_CPU_MOHAWK) || \
+	defined(CONFIG_CPU_XSC3) || \
+	defined(CONFIG_CPU_XSCALE)
 #define PJ4(code...)
 #define XSC(code...)		code
+#else
+#error "Unsupported iWMMXt architecture"
 #endif
 
 #define MMX_WR0		 	(0x00)
diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c
index f0d180d8b29f..8cf0996aa1a8 100644
--- a/arch/arm/kernel/machine_kexec.c
+++ b/arch/arm/kernel/machine_kexec.c
@@ -184,3 +184,10 @@ void machine_kexec(struct kimage *image)
 
 	soft_restart(reboot_entry_phys);
 }
+
+void arch_crash_save_vmcoreinfo(void)
+{
+#ifdef CONFIG_ARM_LPAE
+	VMCOREINFO_CONFIG(ARM_LPAE);
+#endif
+}
diff --git a/arch/arm/kernel/pj4-cp0.c b/arch/arm/kernel/pj4-cp0.c
index fc7208636284..8153e36b2491 100644
--- a/arch/arm/kernel/pj4-cp0.c
+++ b/arch/arm/kernel/pj4-cp0.c
@@ -45,7 +45,7 @@ static int iwmmxt_do(struct notifier_block *self, unsigned long cmd, void *t)
 	return NOTIFY_DONE;
 }
 
-static struct notifier_block iwmmxt_notifier_block = {
+static struct notifier_block __maybe_unused iwmmxt_notifier_block = {
 	.notifier_call	= iwmmxt_do,
 };
 
@@ -72,6 +72,33 @@ static void __init pj4_cp_access_write(u32 value)
 		: "=r" (temp) : "r" (value));
 }
 
+static int __init pj4_get_iwmmxt_version(void)
+{
+	u32 cp_access, wcid;
+
+	cp_access = pj4_cp_access_read();
+	pj4_cp_access_write(cp_access | 0xf);
+
+	/* check if coprocessor 0 and 1 are available */
+	if ((pj4_cp_access_read() & 0xf) != 0xf) {
+		pj4_cp_access_write(cp_access);
+		return -ENODEV;
+	}
+
+	/* read iWMMXt coprocessor id register p1, c0 */
+	__asm__ __volatile__ ("mrc    p1, 0, %0, c0, c0, 0\n" : "=r" (wcid));
+
+	pj4_cp_access_write(cp_access);
+
+	/* iWMMXt v1 */
+	if ((wcid & 0xffffff00) == 0x56051000)
+		return 1;
+	/* iWMMXt v2 */
+	if ((wcid & 0xffffff00) == 0x56052000)
+		return 2;
+
+	return -EINVAL;
+}
 
 /*
  * Disable CP0/CP1 on boot, and let call_fpe() and the iWMMXt lazy
@@ -79,17 +106,26 @@ static void __init pj4_cp_access_write(u32 value)
  */
 static int __init pj4_cp0_init(void)
 {
-	u32 cp_access;
+	u32 __maybe_unused cp_access;
+	int vers;
 
 	if (!cpu_is_pj4())
 		return 0;
 
+	vers = pj4_get_iwmmxt_version();
+	if (vers < 0)
+		return 0;
+
+#ifndef CONFIG_IWMMXT
+	pr_info("PJ4 iWMMXt coprocessor detected, but kernel support is missing.\n");
+#else
 	cp_access = pj4_cp_access_read() & ~0xf;
 	pj4_cp_access_write(cp_access);
 
-	printk(KERN_INFO "PJ4 iWMMXt coprocessor enabled.\n");
+	pr_info("PJ4 iWMMXt v%d coprocessor enabled.\n", vers);
 	elf_hwcap |= HWCAP_IWMMXT;
 	thread_register_notifier(&iwmmxt_notifier_block);
+#endif
 
 	return 0;
 }
diff --git a/arch/arm/kernel/sys_oabi-compat.c b/arch/arm/kernel/sys_oabi-compat.c
index 702bd329d9d0..e90a3148f385 100644
--- a/arch/arm/kernel/sys_oabi-compat.c
+++ b/arch/arm/kernel/sys_oabi-compat.c
@@ -203,9 +203,9 @@ asmlinkage long sys_oabi_fcntl64(unsigned int fd, unsigned int cmd,
 	int ret;
 
 	switch (cmd) {
-	case F_GETLKP:
-	case F_SETLKP:
-	case F_SETLKPW:
+	case F_OFD_GETLK:
+	case F_OFD_SETLK:
+	case F_OFD_SETLKW:
 	case F_GETLK64:
 	case F_SETLK64:
 	case F_SETLKW64:
diff --git a/arch/arm/kvm/Kconfig b/arch/arm/kvm/Kconfig
index 466bd299b1a8..4be5bb150bdd 100644
--- a/arch/arm/kvm/Kconfig
+++ b/arch/arm/kvm/Kconfig
@@ -23,7 +23,7 @@ config KVM
 	select HAVE_KVM_CPU_RELAX_INTERCEPT
 	select KVM_MMIO
 	select KVM_ARM_HOST
-	depends on ARM_VIRT_EXT && ARM_LPAE
+	depends on ARM_VIRT_EXT && ARM_LPAE && !CPU_BIG_ENDIAN
 	---help---
 	  Support hosting virtualized guest machines. You will also
 	  need to select one or more of the processor modules below.
diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c
index 80bb1e6c2c29..16f804938b8f 100644
--- a/arch/arm/kvm/mmu.c
+++ b/arch/arm/kvm/mmu.c
@@ -42,6 +42,8 @@ static unsigned long hyp_idmap_start;
 static unsigned long hyp_idmap_end;
 static phys_addr_t hyp_idmap_vector;
 
+#define pgd_order get_order(PTRS_PER_PGD * sizeof(pgd_t))
+
 #define kvm_pmd_huge(_x)	(pmd_huge(_x) || pmd_trans_huge(_x))
 
 static void kvm_tlb_flush_vmid_ipa(struct kvm *kvm, phys_addr_t ipa)
@@ -293,14 +295,14 @@ void free_boot_hyp_pgd(void)
 	if (boot_hyp_pgd) {
 		unmap_range(NULL, boot_hyp_pgd, hyp_idmap_start, PAGE_SIZE);
 		unmap_range(NULL, boot_hyp_pgd, TRAMPOLINE_VA, PAGE_SIZE);
-		kfree(boot_hyp_pgd);
+		free_pages((unsigned long)boot_hyp_pgd, pgd_order);
 		boot_hyp_pgd = NULL;
 	}
 
 	if (hyp_pgd)
 		unmap_range(NULL, hyp_pgd, TRAMPOLINE_VA, PAGE_SIZE);
 
-	kfree(init_bounce_page);
+	free_page((unsigned long)init_bounce_page);
 	init_bounce_page = NULL;
 
 	mutex_unlock(&kvm_hyp_pgd_mutex);
@@ -330,7 +332,7 @@ void free_hyp_pgds(void)
 		for (addr = VMALLOC_START; is_vmalloc_addr((void*)addr); addr += PGDIR_SIZE)
 			unmap_range(NULL, hyp_pgd, KERN_TO_HYP(addr), PGDIR_SIZE);
 
-		kfree(hyp_pgd);
+		free_pages((unsigned long)hyp_pgd, pgd_order);
 		hyp_pgd = NULL;
 	}
 
@@ -1024,7 +1026,7 @@ int kvm_mmu_init(void)
 		size_t len = __hyp_idmap_text_end - __hyp_idmap_text_start;
 		phys_addr_t phys_base;
 
-		init_bounce_page = kmalloc(PAGE_SIZE, GFP_KERNEL);
+		init_bounce_page = (void *)__get_free_page(GFP_KERNEL);
 		if (!init_bounce_page) {
 			kvm_err("Couldn't allocate HYP init bounce page\n");
 			err = -ENOMEM;
@@ -1050,8 +1052,9 @@ int kvm_mmu_init(void)
 			 (unsigned long)phys_base);
 	}
 
-	hyp_pgd = kzalloc(PTRS_PER_PGD * sizeof(pgd_t), GFP_KERNEL);
-	boot_hyp_pgd = kzalloc(PTRS_PER_PGD * sizeof(pgd_t), GFP_KERNEL);
+	hyp_pgd = (pgd_t *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, pgd_order);
+	boot_hyp_pgd = (pgd_t *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, pgd_order);
+
 	if (!hyp_pgd || !boot_hyp_pgd) {
 		kvm_err("Hyp mode PGD not allocated\n");
 		err = -ENOMEM;
diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c
index 8b1b0a870025..a0282928e9c1 100644
--- a/arch/arm/mach-at91/at91sam9260_devices.c
+++ b/arch/arm/mach-at91/at91sam9260_devices.c
@@ -1296,7 +1296,7 @@ static struct resource adc_resources[] = {
 };
 
 static struct platform_device at91_adc_device = {
-	.name		= "at91_adc",
+	.name		= "at91sam9260-adc",
 	.id		= -1,
 	.dev		= {
 				.platform_data		= &adc_data,
diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c
index 77b04c2edd78..dab362c06487 100644
--- a/arch/arm/mach-at91/at91sam9g45_devices.c
+++ b/arch/arm/mach-at91/at91sam9g45_devices.c
@@ -1204,7 +1204,7 @@ static struct resource adc_resources[] = {
 };
 
 static struct platform_device at91_adc_device = {
-	.name		= "at91_adc",
+	.name		= "at91sam9g45-adc",
 	.id		= -1,
 	.dev		= {
 				.platform_data	= &adc_data,
diff --git a/arch/arm/mach-exynos/Makefile b/arch/arm/mach-exynos/Makefile
index a656dbe3b78c..f6dcc256db56 100644
--- a/arch/arm/mach-exynos/Makefile
+++ b/arch/arm/mach-exynos/Makefile
@@ -12,20 +12,15 @@ obj-				:=
 
 # Core
 
-obj-$(CONFIG_ARCH_EXYNOS)	+= exynos.o
+obj-$(CONFIG_ARCH_EXYNOS)	+= exynos.o pmu.o exynos-smc.o firmware.o
 
 obj-$(CONFIG_PM_SLEEP)		+= pm.o sleep.o
 obj-$(CONFIG_PM_GENERIC_DOMAINS) += pm_domains.o
 obj-$(CONFIG_CPU_IDLE)		+= cpuidle.o
 
-obj-$(CONFIG_ARCH_EXYNOS)	+= pmu.o
-
 obj-$(CONFIG_SMP)		+= platsmp.o headsmp.o
 
 obj-$(CONFIG_HOTPLUG_CPU)	+= hotplug.o
 
-obj-$(CONFIG_ARCH_EXYNOS)	+= exynos-smc.o
-obj-$(CONFIG_ARCH_EXYNOS)	+= firmware.o
-
 plus_sec := $(call as-instr,.arch_extension sec,+sec)
 AFLAGS_exynos-smc.o		:=-Wa,-march=armv7-a$(plus_sec)
diff --git a/arch/arm/mach-exynos/common.h b/arch/arm/mach-exynos/common.h
index 9ef3f83efaff..c1a2f2207af0 100644
--- a/arch/arm/mach-exynos/common.h
+++ b/arch/arm/mach-exynos/common.h
@@ -15,6 +15,75 @@
 #include <linux/reboot.h>
 #include <linux/of.h>
 
+#define EXYNOS4210_CPU_ID	0x43210000
+#define EXYNOS4212_CPU_ID	0x43220000
+#define EXYNOS4412_CPU_ID	0xE4412200
+#define EXYNOS4_CPU_MASK	0xFFFE0000
+
+#define EXYNOS5250_SOC_ID	0x43520000
+#define EXYNOS5420_SOC_ID	0xE5420000
+#define EXYNOS5440_SOC_ID	0xE5440000
+#define EXYNOS5_SOC_MASK	0xFFFFF000
+
+extern unsigned long samsung_cpu_id;
+
+#define IS_SAMSUNG_CPU(name, id, mask)		\
+static inline int is_samsung_##name(void)	\
+{						\
+	return ((samsung_cpu_id & mask) == (id & mask));	\
+}
+
+IS_SAMSUNG_CPU(exynos4210, EXYNOS4210_CPU_ID, EXYNOS4_CPU_MASK)
+IS_SAMSUNG_CPU(exynos4212, EXYNOS4212_CPU_ID, EXYNOS4_CPU_MASK)
+IS_SAMSUNG_CPU(exynos4412, EXYNOS4412_CPU_ID, EXYNOS4_CPU_MASK)
+IS_SAMSUNG_CPU(exynos5250, EXYNOS5250_SOC_ID, EXYNOS5_SOC_MASK)
+IS_SAMSUNG_CPU(exynos5420, EXYNOS5420_SOC_ID, EXYNOS5_SOC_MASK)
+IS_SAMSUNG_CPU(exynos5440, EXYNOS5440_SOC_ID, EXYNOS5_SOC_MASK)
+
+#if defined(CONFIG_CPU_EXYNOS4210)
+# define soc_is_exynos4210()	is_samsung_exynos4210()
+#else
+# define soc_is_exynos4210()	0
+#endif
+
+#if defined(CONFIG_SOC_EXYNOS4212)
+# define soc_is_exynos4212()	is_samsung_exynos4212()
+#else
+# define soc_is_exynos4212()	0
+#endif
+
+#if defined(CONFIG_SOC_EXYNOS4412)
+# define soc_is_exynos4412()	is_samsung_exynos4412()
+#else
+# define soc_is_exynos4412()	0
+#endif
+
+#define EXYNOS4210_REV_0	(0x0)
+#define EXYNOS4210_REV_1_0	(0x10)
+#define EXYNOS4210_REV_1_1	(0x11)
+
+#if defined(CONFIG_SOC_EXYNOS5250)
+# define soc_is_exynos5250()	is_samsung_exynos5250()
+#else
+# define soc_is_exynos5250()	0
+#endif
+
+#if defined(CONFIG_SOC_EXYNOS5420)
+# define soc_is_exynos5420()	is_samsung_exynos5420()
+#else
+# define soc_is_exynos5420()	0
+#endif
+
+#if defined(CONFIG_SOC_EXYNOS5440)
+# define soc_is_exynos5440()	is_samsung_exynos5440()
+#else
+# define soc_is_exynos5440()	0
+#endif
+
+#define soc_is_exynos4() (soc_is_exynos4210() || soc_is_exynos4212() || \
+			  soc_is_exynos4412())
+#define soc_is_exynos5() (soc_is_exynos5250() || soc_is_exynos5420())
+
 void mct_init(void __iomem *base, int irq_g0, int irq_l0, int irq_l1);
 
 struct map_desc;
@@ -63,4 +132,7 @@ struct exynos_pmu_conf {
 
 extern void exynos_sys_powerdown_conf(enum sys_powerdown mode);
 
+extern void s5p_init_cpu(void __iomem *cpuid_addr);
+extern unsigned int samsung_rev(void);
+
 #endif /* __ARCH_ARM_MACH_EXYNOS_COMMON_H */
diff --git a/arch/arm/mach-exynos/cpuidle.c b/arch/arm/mach-exynos/cpuidle.c
index c57cae0e8779..3dd385ebf195 100644
--- a/arch/arm/mach-exynos/cpuidle.c
+++ b/arch/arm/mach-exynos/cpuidle.c
@@ -24,7 +24,6 @@
 #include <asm/unified.h>
 #include <asm/cpuidle.h>
 
-#include <plat/cpu.h>
 #include <plat/pm.h>
 
 #include <mach/map.h>
diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c
index b32a907d021d..59aab756702e 100644
--- a/arch/arm/mach-exynos/exynos.c
+++ b/arch/arm/mach-exynos/exynos.c
@@ -26,8 +26,6 @@
 #include <asm/mach/map.h>
 #include <asm/memory.h>
 
-#include <plat/cpu.h>
-
 #include "common.h"
 #include "mfc.h"
 #include "regs-pmu.h"
@@ -308,17 +306,6 @@ void __init exynos_init_io(void)
 	exynos_map_io();
 }
 
-struct bus_type exynos_subsys = {
-	.name		= "exynos-core",
-	.dev_name	= "exynos-core",
-};
-
-static int __init exynos_core_init(void)
-{
-	return subsys_system_register(&exynos_subsys, NULL);
-}
-core_initcall(exynos_core_init);
-
 static int __init exynos4_l2x0_cache_init(void)
 {
 	int ret;
diff --git a/arch/arm/mach-exynos/firmware.c b/arch/arm/mach-exynos/firmware.c
index 932129ef26c6..f6cb510aee85 100644
--- a/arch/arm/mach-exynos/firmware.c
+++ b/arch/arm/mach-exynos/firmware.c
@@ -18,6 +18,7 @@
 
 #include <mach/map.h>
 
+#include "common.h"
 #include "smc.h"
 
 static int exynos_do_idle(void)
@@ -28,13 +29,24 @@ static int exynos_do_idle(void)
 
 static int exynos_cpu_boot(int cpu)
 {
+	/*
+	 * The second parameter of SMC_CMD_CPU1BOOT command means CPU id.
+	 * But, Exynos4212 has only one secondary CPU so second parameter
+	 * isn't used for informing secure firmware about CPU id.
+	 */
+	if (soc_is_exynos4212())
+		cpu = 0;
+
 	exynos_smc(SMC_CMD_CPU1BOOT, cpu, 0, 0);
 	return 0;
 }
 
 static int exynos_set_cpu_boot_addr(int cpu, unsigned long boot_addr)
 {
-	void __iomem *boot_reg = S5P_VA_SYSRAM_NS + 0x1c + 4*cpu;
+	void __iomem *boot_reg = S5P_VA_SYSRAM_NS + 0x1c;
+
+	if (!soc_is_exynos4212())
+		boot_reg += 4*cpu;
 
 	__raw_writel(boot_addr, boot_reg);
 	return 0;
diff --git a/arch/arm/mach-exynos/hotplug.c b/arch/arm/mach-exynos/hotplug.c
index 5eead530c6f8..3cab3f506689 100644
--- a/arch/arm/mach-exynos/hotplug.c
+++ b/arch/arm/mach-exynos/hotplug.c
@@ -19,61 +19,9 @@
 #include <asm/cp15.h>
 #include <asm/smp_plat.h>
 
-#include <plat/cpu.h>
-
 #include "common.h"
 #include "regs-pmu.h"
 
-static inline void cpu_enter_lowpower_a9(void)
-{
-	unsigned int v;
-
-	asm volatile(
-	"	mcr	p15, 0, %1, c7, c5, 0\n"
-	"	mcr	p15, 0, %1, c7, c10, 4\n"
-	/*
-	 * Turn off coherency
-	 */
-	"	mrc	p15, 0, %0, c1, c0, 1\n"
-	"	bic	%0, %0, %3\n"
-	"	mcr	p15, 0, %0, c1, c0, 1\n"
-	"	mrc	p15, 0, %0, c1, c0, 0\n"
-	"	bic	%0, %0, %2\n"
-	"	mcr	p15, 0, %0, c1, c0, 0\n"
-	  : "=&r" (v)
-	  : "r" (0), "Ir" (CR_C), "Ir" (0x40)
-	  : "cc");
-}
-
-static inline void cpu_enter_lowpower_a15(void)
-{
-	unsigned int v;
-
-	asm volatile(
-	"	mrc	p15, 0, %0, c1, c0, 0\n"
-	"	bic	%0, %0, %1\n"
-	"	mcr	p15, 0, %0, c1, c0, 0\n"
-	  : "=&r" (v)
-	  : "Ir" (CR_C)
-	  : "cc");
-
-	flush_cache_louis();
-
-	asm volatile(
-	/*
-	* Turn off coherency
-	*/
-	"	mrc	p15, 0, %0, c1, c0, 1\n"
-	"	bic	%0, %0, %1\n"
-	"	mcr	p15, 0, %0, c1, c0, 1\n"
-	: "=&r" (v)
-	: "Ir" (0x40)
-	: "cc");
-
-	isb();
-	dsb();
-}
-
 static inline void cpu_leave_lowpower(void)
 {
 	unsigned int v;
@@ -132,19 +80,8 @@ static inline void platform_do_lowpower(unsigned int cpu, int *spurious)
 void __ref exynos_cpu_die(unsigned int cpu)
 {
 	int spurious = 0;
-	int primary_part = 0;
 
-	/*
-	 * we're ready for shutdown now, so do it.
-	 * Exynos4 is A9 based while Exynos5 is A15; check the CPU part
-	 * number by reading the Main ID register and then perform the
-	 * appropriate sequence for entering low power.
-	 */
-	asm("mrc p15, 0, %0, c0, c0, 0" : "=r"(primary_part) : : "cc");
-	if ((primary_part & 0xfff0) == 0xc0f0)
-		cpu_enter_lowpower_a15();
-	else
-		cpu_enter_lowpower_a9();
+	v7_exit_coherency_flush(louis);
 
 	platform_do_lowpower(cpu, &spurious);
 
diff --git a/arch/arm/mach-exynos/platsmp.c b/arch/arm/mach-exynos/platsmp.c
index 03e5e9f94705..c28cdb1c82cd 100644
--- a/arch/arm/mach-exynos/platsmp.c
+++ b/arch/arm/mach-exynos/platsmp.c
@@ -26,8 +26,6 @@
 #include <asm/smp_scu.h>
 #include <asm/firmware.h>
 
-#include <plat/cpu.h>
-
 #include "common.h"
 #include "regs-pmu.h"
 
diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c
index 15af0ceb0a66..ca672e24b5cd 100644
--- a/arch/arm/mach-exynos/pm.c
+++ b/arch/arm/mach-exynos/pm.c
@@ -26,7 +26,6 @@
 #include <asm/smp_scu.h>
 #include <asm/suspend.h>
 
-#include <plat/cpu.h>
 #include <plat/pm-common.h>
 #include <plat/pll.h>
 #include <plat/regs-srom.h>
diff --git a/arch/arm/mach-exynos/pmu.c b/arch/arm/mach-exynos/pmu.c
index 05c7ce15322a..fb0deda3b3a4 100644
--- a/arch/arm/mach-exynos/pmu.c
+++ b/arch/arm/mach-exynos/pmu.c
@@ -13,8 +13,6 @@
 #include <linux/kernel.h>
 #include <linux/bug.h>
 
-#include <plat/cpu.h>
-
 #include "common.h"
 #include "regs-pmu.h"
 
diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c
index b0e7f9d2c245..2b4d6acfa34a 100644
--- a/arch/arm/mach-imx/clk-imx6q.c
+++ b/arch/arm/mach-imx/clk-imx6q.c
@@ -208,8 +208,8 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
 	 * the "output_enable" bit as a gate, even though it's really just
 	 * enabling clock output.
 	 */
-	clk[lvds1_gate] = imx_clk_gate("lvds1_gate", "dummy", base + 0x160, 10);
-	clk[lvds2_gate] = imx_clk_gate("lvds2_gate", "dummy", base + 0x160, 11);
+	clk[lvds1_gate] = imx_clk_gate("lvds1_gate", "lvds1_sel", base + 0x160, 10);
+	clk[lvds2_gate] = imx_clk_gate("lvds2_gate", "lvds2_sel", base + 0x160, 11);
 
 	/*                                name              parent_name        reg       idx */
 	clk[pll2_pfd0_352m] = imx_clk_pfd("pll2_pfd0_352m", "pll2_bus",     base + 0x100, 0);
@@ -258,14 +258,14 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
 	clk[ipu2_sel]         = imx_clk_mux("ipu2_sel",         base + 0x3c, 14, 2, ipu_sels,          ARRAY_SIZE(ipu_sels));
 	clk[ldb_di0_sel]      = imx_clk_mux_flags("ldb_di0_sel", base + 0x2c, 9,  3, ldb_di_sels,      ARRAY_SIZE(ldb_di_sels), CLK_SET_RATE_PARENT);
 	clk[ldb_di1_sel]      = imx_clk_mux_flags("ldb_di1_sel", base + 0x2c, 12, 3, ldb_di_sels,      ARRAY_SIZE(ldb_di_sels), CLK_SET_RATE_PARENT);
-	clk[ipu1_di0_pre_sel] = imx_clk_mux("ipu1_di0_pre_sel", base + 0x34, 6,  3, ipu_di_pre_sels,   ARRAY_SIZE(ipu_di_pre_sels));
-	clk[ipu1_di1_pre_sel] = imx_clk_mux("ipu1_di1_pre_sel", base + 0x34, 15, 3, ipu_di_pre_sels,   ARRAY_SIZE(ipu_di_pre_sels));
-	clk[ipu2_di0_pre_sel] = imx_clk_mux("ipu2_di0_pre_sel", base + 0x38, 6,  3, ipu_di_pre_sels,   ARRAY_SIZE(ipu_di_pre_sels));
-	clk[ipu2_di1_pre_sel] = imx_clk_mux("ipu2_di1_pre_sel", base + 0x38, 15, 3, ipu_di_pre_sels,   ARRAY_SIZE(ipu_di_pre_sels));
-	clk[ipu1_di0_sel]     = imx_clk_mux("ipu1_di0_sel",     base + 0x34, 0,  3, ipu1_di0_sels,     ARRAY_SIZE(ipu1_di0_sels));
-	clk[ipu1_di1_sel]     = imx_clk_mux("ipu1_di1_sel",     base + 0x34, 9,  3, ipu1_di1_sels,     ARRAY_SIZE(ipu1_di1_sels));
-	clk[ipu2_di0_sel]     = imx_clk_mux("ipu2_di0_sel",     base + 0x38, 0,  3, ipu2_di0_sels,     ARRAY_SIZE(ipu2_di0_sels));
-	clk[ipu2_di1_sel]     = imx_clk_mux("ipu2_di1_sel",     base + 0x38, 9,  3, ipu2_di1_sels,     ARRAY_SIZE(ipu2_di1_sels));
+	clk[ipu1_di0_pre_sel] = imx_clk_mux_flags("ipu1_di0_pre_sel", base + 0x34, 6,  3, ipu_di_pre_sels,   ARRAY_SIZE(ipu_di_pre_sels), CLK_SET_RATE_PARENT);
+	clk[ipu1_di1_pre_sel] = imx_clk_mux_flags("ipu1_di1_pre_sel", base + 0x34, 15, 3, ipu_di_pre_sels,   ARRAY_SIZE(ipu_di_pre_sels), CLK_SET_RATE_PARENT);
+	clk[ipu2_di0_pre_sel] = imx_clk_mux_flags("ipu2_di0_pre_sel", base + 0x38, 6,  3, ipu_di_pre_sels,   ARRAY_SIZE(ipu_di_pre_sels), CLK_SET_RATE_PARENT);
+	clk[ipu2_di1_pre_sel] = imx_clk_mux_flags("ipu2_di1_pre_sel", base + 0x38, 15, 3, ipu_di_pre_sels,   ARRAY_SIZE(ipu_di_pre_sels), CLK_SET_RATE_PARENT);
+	clk[ipu1_di0_sel]     = imx_clk_mux_flags("ipu1_di0_sel",     base + 0x34, 0,  3, ipu1_di0_sels,     ARRAY_SIZE(ipu1_di0_sels), CLK_SET_RATE_PARENT);
+	clk[ipu1_di1_sel]     = imx_clk_mux_flags("ipu1_di1_sel",     base + 0x34, 9,  3, ipu1_di1_sels,     ARRAY_SIZE(ipu1_di1_sels), CLK_SET_RATE_PARENT);
+	clk[ipu2_di0_sel]     = imx_clk_mux_flags("ipu2_di0_sel",     base + 0x38, 0,  3, ipu2_di0_sels,     ARRAY_SIZE(ipu2_di0_sels), CLK_SET_RATE_PARENT);
+	clk[ipu2_di1_sel]     = imx_clk_mux_flags("ipu2_di1_sel",     base + 0x38, 9,  3, ipu2_di1_sels,     ARRAY_SIZE(ipu2_di1_sels), CLK_SET_RATE_PARENT);
 	clk[hsi_tx_sel]       = imx_clk_mux("hsi_tx_sel",       base + 0x30, 28, 1, hsi_tx_sels,       ARRAY_SIZE(hsi_tx_sels));
 	clk[pcie_axi_sel]     = imx_clk_mux("pcie_axi_sel",     base + 0x18, 10, 1, pcie_axi_sels,     ARRAY_SIZE(pcie_axi_sels));
 	clk[ssi1_sel]         = imx_clk_fixup_mux("ssi1_sel",   base + 0x1c, 10, 2, ssi_sels,          ARRAY_SIZE(ssi_sels),          imx_cscmr1_fixup);
@@ -445,6 +445,15 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
 		clk_set_parent(clk[ldb_di1_sel], clk[pll5_video_div]);
 	}
 
+	clk_set_parent(clk[ipu1_di0_pre_sel], clk[pll5_video_div]);
+	clk_set_parent(clk[ipu1_di1_pre_sel], clk[pll5_video_div]);
+	clk_set_parent(clk[ipu2_di0_pre_sel], clk[pll5_video_div]);
+	clk_set_parent(clk[ipu2_di1_pre_sel], clk[pll5_video_div]);
+	clk_set_parent(clk[ipu1_di0_sel], clk[ipu1_di0_pre]);
+	clk_set_parent(clk[ipu1_di1_sel], clk[ipu1_di1_pre]);
+	clk_set_parent(clk[ipu2_di0_sel], clk[ipu2_di0_pre]);
+	clk_set_parent(clk[ipu2_di1_sel], clk[ipu2_di1_pre]);
+
 	/*
 	 * The gpmi needs 100MHz frequency in the EDO/Sync mode,
 	 * We can not get the 100MHz from the pll2_pfd0_352m.
diff --git a/arch/arm/mach-omap2/board-rx51-video.c b/arch/arm/mach-omap2/board-rx51-video.c
index 43a90c8d6837..9cfebc5c7455 100644
--- a/arch/arm/mach-omap2/board-rx51-video.c
+++ b/arch/arm/mach-omap2/board-rx51-video.c
@@ -48,7 +48,7 @@ static struct omap_dss_board_info rx51_dss_board_info = {
 
 static int __init rx51_video_init(void)
 {
-	if (!machine_is_nokia_rx51() && !of_machine_is_compatible("nokia,omap3-n900"))
+	if (!machine_is_nokia_rx51())
 		return 0;
 
 	if (omap_mux_init_gpio(RX51_LCD_RESET_GPIO, OMAP_PIN_OUTPUT)) {
diff --git a/arch/arm/mach-omap2/clkt_dpll.c b/arch/arm/mach-omap2/clkt_dpll.c
index 2649ce445845..332af927f4d3 100644
--- a/arch/arm/mach-omap2/clkt_dpll.c
+++ b/arch/arm/mach-omap2/clkt_dpll.c
@@ -209,7 +209,7 @@ u8 omap2_init_dpll_parent(struct clk_hw *hw)
 		if (v == OMAP3XXX_EN_DPLL_LPBYPASS ||
 		    v == OMAP3XXX_EN_DPLL_FRBYPASS)
 			return 1;
-	} else if (soc_is_am33xx() || cpu_is_omap44xx()) {
+	} else if (soc_is_am33xx() || cpu_is_omap44xx() || soc_is_am43xx()) {
 		if (v == OMAP4XXX_EN_DPLL_LPBYPASS ||
 		    v == OMAP4XXX_EN_DPLL_FRBYPASS ||
 		    v == OMAP4XXX_EN_DPLL_MNBYPASS)
@@ -255,7 +255,7 @@ unsigned long omap2_get_dpll_rate(struct clk_hw_omap *clk)
 		if (v == OMAP3XXX_EN_DPLL_LPBYPASS ||
 		    v == OMAP3XXX_EN_DPLL_FRBYPASS)
 			return __clk_get_rate(dd->clk_bypass);
-	} else if (soc_is_am33xx() || cpu_is_omap44xx()) {
+	} else if (soc_is_am33xx() || cpu_is_omap44xx() || soc_is_am43xx()) {
 		if (v == OMAP4XXX_EN_DPLL_LPBYPASS ||
 		    v == OMAP4XXX_EN_DPLL_FRBYPASS ||
 		    v == OMAP4XXX_EN_DPLL_MNBYPASS)
diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
index ab43755364f5..9fe8c949305c 100644
--- a/arch/arm/mach-omap2/gpmc.c
+++ b/arch/arm/mach-omap2/gpmc.c
@@ -501,7 +501,7 @@ static int gpmc_cs_delete_mem(int cs)
 	int r;
 
 	spin_lock(&gpmc_mem_lock);
-	r = release_resource(&gpmc_cs_mem[cs]);
+	r = release_resource(res);
 	res->start = 0;
 	res->end = 0;
 	spin_unlock(&gpmc_mem_lock);
@@ -527,6 +527,14 @@ static int gpmc_cs_remap(int cs, u32 base)
 		pr_err("%s: requested chip-select is disabled\n", __func__);
 		return -ENODEV;
 	}
+
+	/*
+	 * Make sure we ignore any device offsets from the GPMC partition
+	 * allocated for the chip select and that the new base confirms
+	 * to the GPMC 16MB minimum granularity.
+	 */ 
+	base &= ~(SZ_16M - 1);
+
 	gpmc_cs_get_memconf(cs, &old_base, &size);
 	if (base == old_base)
 		return 0;
@@ -586,6 +594,8 @@ EXPORT_SYMBOL(gpmc_cs_request);
 
 void gpmc_cs_free(int cs)
 {
+	struct resource	*res = &gpmc_cs_mem[cs];
+
 	spin_lock(&gpmc_mem_lock);
 	if (cs >= gpmc_cs_num || cs < 0 || !gpmc_cs_reserved(cs)) {
 		printk(KERN_ERR "Trying to free non-reserved GPMC CS%d\n", cs);
@@ -594,7 +604,8 @@ void gpmc_cs_free(int cs)
 		return;
 	}
 	gpmc_cs_disable_mem(cs);
-	release_resource(&gpmc_cs_mem[cs]);
+	if (res->flags)
+		release_resource(res);
 	gpmc_cs_set_reserved(cs, 0);
 	spin_unlock(&gpmc_mem_lock);
 }
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index 1f33f5db10d5..66c60fe1104c 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -2546,11 +2546,12 @@ static int __init _init(struct omap_hwmod *oh, void *data)
 		return -EINVAL;
 	}
 
-	if (np)
+	if (np) {
 		if (of_find_property(np, "ti,no-reset-on-init", NULL))
 			oh->flags |= HWMOD_INIT_NO_RESET;
 		if (of_find_property(np, "ti,no-idle-on-init", NULL))
 			oh->flags |= HWMOD_INIT_NO_IDLE;
+	}
 
 	oh->_state = _HWMOD_STATE_INITIALIZED;
 
diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
index a123ff0070bd..71ac7d5f3385 100644
--- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
@@ -1964,7 +1964,7 @@ static struct omap_hwmod_irq_info omap3xxx_usb_host_hs_irqs[] = {
 static struct omap_hwmod omap3xxx_usb_host_hs_hwmod = {
 	.name		= "usb_host_hs",
 	.class		= &omap3xxx_usb_host_hs_hwmod_class,
-	.clkdm_name	= "l3_init_clkdm",
+	.clkdm_name	= "usbhost_clkdm",
 	.mpu_irqs	= omap3xxx_usb_host_hs_irqs,
 	.main_clk	= "usbhost_48m_fck",
 	.prcm = {
@@ -2047,7 +2047,7 @@ static struct omap_hwmod_irq_info omap3xxx_usb_tll_hs_irqs[] = {
 static struct omap_hwmod omap3xxx_usb_tll_hs_hwmod = {
 	.name		= "usb_tll_hs",
 	.class		= &omap3xxx_usb_tll_hs_hwmod_class,
-	.clkdm_name	= "l3_init_clkdm",
+	.clkdm_name	= "core_l4_clkdm",
 	.mpu_irqs	= omap3xxx_usb_tll_hs_irqs,
 	.main_clk	= "usbtll_fck",
 	.prcm = {
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 1f3770a8a728..87099bb6de69 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -330,10 +330,6 @@ void omap_sram_idle(void)
 			omap3_sram_restore_context();
 			omap2_sms_restore_context();
 		}
-		if (core_next_state == PWRDM_POWER_OFF)
-			omap2_prm_clear_mod_reg_bits(OMAP3430_AUTO_OFF_MASK,
-					       OMAP3430_GR_MOD,
-					       OMAP3_PRM_VOLTCTRL_OFFSET);
 	}
 	omap3_intc_resume_idle();
 
diff --git a/arch/arm/mach-pxa/include/mach/hx4700.h b/arch/arm/mach-pxa/include/mach/hx4700.h
index 8bc02913517c..0e1bb46264f9 100644
--- a/arch/arm/mach-pxa/include/mach/hx4700.h
+++ b/arch/arm/mach-pxa/include/mach/hx4700.h
@@ -14,6 +14,7 @@
 
 #include <linux/gpio.h>
 #include <linux/mfd/asic3.h>
+#include "irqs.h" /* PXA_NR_BUILTIN_GPIO */
 
 #define HX4700_ASIC3_GPIO_BASE	PXA_NR_BUILTIN_GPIO
 #define HX4700_EGPIO_BASE	(HX4700_ASIC3_GPIO_BASE + ASIC3_NUM_GPIOS)
diff --git a/arch/arm/mach-rockchip/platsmp.c b/arch/arm/mach-rockchip/platsmp.c
index dbfa5a26cfff..072842f6491b 100644
--- a/arch/arm/mach-rockchip/platsmp.c
+++ b/arch/arm/mach-rockchip/platsmp.c
@@ -152,7 +152,7 @@ static void __init rockchip_smp_prepare_cpus(unsigned int max_cpus)
 
 	node = of_find_compatible_node(NULL, NULL, "rockchip,rk3066-pmu");
 	if (!node) {
-		pr_err("%s: could not find sram dt node\n", __func__);
+		pr_err("%s: could not find pmu dt node\n", __func__);
 		return;
 	}
 
diff --git a/arch/arm/mach-s3c24xx/Kconfig b/arch/arm/mach-s3c24xx/Kconfig
index 1e52b6926374..04284de7aca5 100644
--- a/arch/arm/mach-s3c24xx/Kconfig
+++ b/arch/arm/mach-s3c24xx/Kconfig
@@ -28,7 +28,6 @@ config CPU_S3C2410
 	bool "SAMSUNG S3C2410"
 	default y
 	select CPU_ARM920T
-	select CPU_LLSERIAL_S3C2410
 	select S3C2410_COMMON_CLK
 	select S3C2410_DMA if S3C24XX_DMA
 	select ARM_S3C2410_CPUFREQ if ARM_S3C24XX_CPUFREQ
@@ -41,7 +40,6 @@ config CPU_S3C2410
 config CPU_S3C2412
 	bool "SAMSUNG S3C2412"
 	select CPU_ARM926T
-	select CPU_LLSERIAL_S3C2440
 	select S3C2412_COMMON_CLK
 	select S3C2412_DMA if S3C24XX_DMA
 	select S3C2412_PM if PM
@@ -51,7 +49,6 @@ config CPU_S3C2412
 config CPU_S3C2416
 	bool "SAMSUNG S3C2416/S3C2450"
 	select CPU_ARM926T
-	select CPU_LLSERIAL_S3C2440
 	select S3C2416_PM if PM
 	select S3C2443_COMMON_CLK
 	select S3C2443_DMA if S3C24XX_DMA
@@ -61,7 +58,6 @@ config CPU_S3C2416
 config CPU_S3C2440
 	bool "SAMSUNG S3C2440"
 	select CPU_ARM920T
-	select CPU_LLSERIAL_S3C2440
 	select S3C2410_COMMON_CLK
 	select S3C2410_PM if PM
 	select S3C2440_DMA if S3C24XX_DMA
@@ -71,7 +67,6 @@ config CPU_S3C2440
 config CPU_S3C2442
 	bool "SAMSUNG S3C2442"
 	select CPU_ARM920T
-	select CPU_LLSERIAL_S3C2440
 	select S3C2410_COMMON_CLK
 	select S3C2410_DMA if S3C24XX_DMA
 	select S3C2410_PM if PM
@@ -86,7 +81,6 @@ config CPU_S3C244X
 config CPU_S3C2443
 	bool "SAMSUNG S3C2443"
 	select CPU_ARM920T
-	select CPU_LLSERIAL_S3C2440
 	select S3C2443_COMMON_CLK
 	select S3C2443_DMA if S3C24XX_DMA
 	help
@@ -148,28 +142,6 @@ config S3C2410_PM
 	help
 	  Power Management code common to S3C2410 and better
 
-# low-level serial option nodes
-
-config CPU_LLSERIAL_S3C2410_ONLY
-	bool
-	default y if CPU_LLSERIAL_S3C2410 && !CPU_LLSERIAL_S3C2440
-
-config CPU_LLSERIAL_S3C2440_ONLY
-	bool
-	default y if CPU_LLSERIAL_S3C2440 && !CPU_LLSERIAL_S3C2410
-
-config CPU_LLSERIAL_S3C2410
-	bool
-	help
-	  Selected if there is an S3C2410 (or register compatible) serial
-	  low-level implementation needed
-
-config CPU_LLSERIAL_S3C2440
-	bool
-	help
-	  Selected if there is an S3C2440 (or register compatible) serial
-	  low-level implementation needed
-
 config S3C24XX_PLL
 	bool "Support CPUfreq changing of PLL frequency (EXPERIMENTAL)"
 	depends on ARM_S3C24XX_CPUFREQ
diff --git a/arch/arm/mach-s3c24xx/include/mach/debug-macro.S b/arch/arm/mach-s3c24xx/include/mach/debug-macro.S
deleted file mode 100644
index 2f39737544c0..000000000000
--- a/arch/arm/mach-s3c24xx/include/mach/debug-macro.S
+++ /dev/null
@@ -1,101 +0,0 @@
-/* arch/arm/mach-s3c2410/include/mach/debug-macro.S
- *
- * Debugging macro include header
- *
- *  Copyright (C) 1994-1999 Russell King
- *  Copyright (C) 2005 Simtec Electronics
- *
- *  Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#include <mach/map.h>
-#include <mach/regs-gpio.h>
-#include <linux/serial_s3c.h>
-
-#define S3C2410_UART1_OFF (0x4000)
-#define SHIFT_2440TXF (14-9)
-
-	.macro addruart, rp, rv, tmp
-		ldr	\rp, = S3C24XX_PA_UART
-		ldr	\rv, = S3C24XX_VA_UART
-#if CONFIG_DEBUG_S3C_UART != 0
-		add	\rp, \rp, #(S3C2410_UART1_OFF * CONFIG_DEBUG_S3C_UART)
-		add	\rv, \rv, #(S3C2410_UART1_OFF * CONFIG_DEBUG_S3C_UART)
-#endif
-	.endm
-
-	.macro fifo_full_s3c24xx rd, rx
-		@ check for arm920 vs arm926. currently assume all arm926
-		@ devices have an 64 byte FIFO identical to the s3c2440
-		mrc	p15, 0, \rd, c0, c0
-		and	\rd, \rd, #0xff0
-		teq	\rd, #0x260
-		beq	1004f
-		mrc	p15, 0, \rd, c1, c0
-		tst	\rd, #1
-		addeq	\rd, \rx, #(S3C24XX_PA_GPIO - S3C24XX_PA_UART)
-		addne	\rd, \rx, #(S3C24XX_VA_GPIO - S3C24XX_VA_UART)
-		bic	\rd, \rd, #0xff000
-		ldr	\rd, [\rd, # S3C2410_GSTATUS1 - S3C2410_GPIOREG(0)]
-		and	\rd, \rd, #0x00ff0000
-		teq	\rd, #0x00440000		@ is it 2440?
-1004:
-		ldr	\rd, [\rx, # S3C2410_UFSTAT]
-		moveq	\rd, \rd, lsr #SHIFT_2440TXF
-		tst	\rd, #S3C2410_UFSTAT_TXFULL
-	.endm
-
-	.macro  fifo_full_s3c2410 rd, rx
-		ldr	\rd, [\rx, # S3C2410_UFSTAT]
-		tst	\rd, #S3C2410_UFSTAT_TXFULL
-	.endm
-
-/* fifo level reading */
-
-	.macro fifo_level_s3c24xx rd, rx
-		@ check for arm920 vs arm926. currently assume all arm926
-		@ devices have an 64 byte FIFO identical to the s3c2440
-		mrc	p15, 0, \rd, c0, c0
-		and	\rd, \rd, #0xff0
-		teq	\rd, #0x260
-		beq	10000f
-		mrc	p15, 0, \rd, c1, c0
-		tst	\rd, #1
-		addeq	\rd, \rx, #(S3C24XX_PA_GPIO - S3C24XX_PA_UART)
-		addne	\rd, \rx, #(S3C24XX_VA_GPIO - S3C24XX_VA_UART)
-		bic	\rd, \rd, #0xff000
-		ldr	\rd, [\rd, # S3C2410_GSTATUS1 - S3C2410_GPIOREG(0)]
-		and	\rd, \rd, #0x00ff0000
-		teq	\rd, #0x00440000		@ is it 2440?
-
-10000:
-		ldr	\rd, [\rx, # S3C2410_UFSTAT]
-		andne	\rd, \rd, #S3C2410_UFSTAT_TXMASK
-		andeq	\rd, \rd, #S3C2440_UFSTAT_TXMASK
-	.endm
-
-	.macro fifo_level_s3c2410 rd, rx
-		ldr	\rd, [\rx, # S3C2410_UFSTAT]
-		and	\rd, \rd, #S3C2410_UFSTAT_TXMASK
-	.endm
-
-/* Select the correct implementation depending on the configuration. The
- * S3C2440 will get selected by default, as these are the most widely
- * used variants of these
-*/
-
-#if defined(CONFIG_CPU_LLSERIAL_S3C2410_ONLY)
-#define fifo_full  fifo_full_s3c2410
-#define fifo_level fifo_level_s3c2410
-#elif !defined(CONFIG_CPU_LLSERIAL_S3C2440_ONLY)
-#define fifo_full  fifo_full_s3c24xx
-#define fifo_level fifo_level_s3c24xx
-#endif
-
-/* include the reset of the code which will do the work */
-
-#include <debug/samsung.S>
diff --git a/arch/arm/mach-shmobile/board-armadillo800eva.c b/arch/arm/mach-shmobile/board-armadillo800eva.c
index 2858f380beae..486063db2a2f 100644
--- a/arch/arm/mach-shmobile/board-armadillo800eva.c
+++ b/arch/arm/mach-shmobile/board-armadillo800eva.c
@@ -992,6 +992,7 @@ static struct asoc_simple_card_info fsi_wm8978_info = {
 	.platform	= "sh_fsi2",
 	.daifmt		= SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBM_CFM,
 	.cpu_dai = {
+		.fmt	= SND_SOC_DAIFMT_IB_NF,
 		.name	= "fsia-dai",
 	},
 	.codec_dai = {
diff --git a/arch/arm/mach-shmobile/board-lager.c b/arch/arm/mach-shmobile/board-lager.c
index f0104bfe544e..18c7e0311aa6 100644
--- a/arch/arm/mach-shmobile/board-lager.c
+++ b/arch/arm/mach-shmobile/board-lager.c
@@ -588,14 +588,12 @@ static struct asoc_simple_card_info rsnd_card_info = {
 	.card		= "SSI01-AK4643",
 	.codec		= "ak4642-codec.2-0012",
 	.platform	= "rcar_sound",
-	.daifmt		= SND_SOC_DAIFMT_LEFT_J,
+	.daifmt		= SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_CBM_CFM,
 	.cpu_dai = {
 		.name	= "rcar_sound",
-		.fmt	= SND_SOC_DAIFMT_CBS_CFS,
 	},
 	.codec_dai = {
 		.name	= "ak4642-hifi",
-		.fmt	= SND_SOC_DAIFMT_CBM_CFM,
 		.sysclk	= 11289600,
 	},
 };
diff --git a/arch/arm/mach-shmobile/clock-r8a7778.c b/arch/arm/mach-shmobile/clock-r8a7778.c
index 2009a9bc6356..9989b1b06ffd 100644
--- a/arch/arm/mach-shmobile/clock-r8a7778.c
+++ b/arch/arm/mach-shmobile/clock-r8a7778.c
@@ -170,7 +170,7 @@ static struct clk mstp_clks[MSTP_NR] = {
 	[MSTP010] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 10, 0), /* SSI2 */
 	[MSTP009] = SH_CLK_MSTP32(&p_clk, MSTPCR0,  9, 0), /* SSI3 */
 	[MSTP008] = SH_CLK_MSTP32(&p_clk, MSTPCR0,  8, 0), /* SRU */
-	[MSTP007] = SH_CLK_MSTP32(&p_clk, MSTPCR0,  7, 0), /* HSPI */
+	[MSTP007] = SH_CLK_MSTP32(&s_clk, MSTPCR0,  7, 0), /* HSPI */
 };
 
 static struct clk_lookup lookups[] = {
diff --git a/arch/arm/mach-spear/headsmp.S b/arch/arm/mach-spear/headsmp.S
index ed85473a047f..c52192dc3d9f 100644
--- a/arch/arm/mach-spear/headsmp.S
+++ b/arch/arm/mach-spear/headsmp.S
@@ -3,7 +3,7 @@
  *
  * Picked from realview
  * Copyright (c) 2012 ST Microelectronics Limited
- * Shiraz Hashim <shiraz.hashim@st.com>
+ * Shiraz Hashim <shiraz.linux.kernel@gmail.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
diff --git a/arch/arm/mach-spear/platsmp.c b/arch/arm/mach-spear/platsmp.c
index 5c4a19887b2b..c19751fff2c6 100644
--- a/arch/arm/mach-spear/platsmp.c
+++ b/arch/arm/mach-spear/platsmp.c
@@ -4,7 +4,7 @@
  * based upon linux/arch/arm/mach-realview/platsmp.c
  *
  * Copyright (C) 2012 ST Microelectronics Ltd.
- * Shiraz Hashim <shiraz.hashim@st.com>
+ * Shiraz Hashim <shiraz.linux.kernel@gmail.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
diff --git a/arch/arm/mach-spear/time.c b/arch/arm/mach-spear/time.c
index 218ba5b67d92..26fda4ed4d51 100644
--- a/arch/arm/mach-spear/time.c
+++ b/arch/arm/mach-spear/time.c
@@ -2,7 +2,7 @@
  * arch/arm/plat-spear/time.c
  *
  * Copyright (C) 2010 ST Microelectronics
- * Shiraz Hashim<shiraz.hashim@st.com>
+ * Shiraz Hashim<shiraz.linux.kernel@gmail.com>
  *
  * This file is licensed under the terms of the GNU General Public
  * License version 2. This program is licensed "as is" without any
@@ -71,7 +71,7 @@ static void clockevent_set_mode(enum clock_event_mode mode,
 static int clockevent_next_event(unsigned long evt,
 				 struct clock_event_device *clk_event_dev);
 
-static void spear_clocksource_init(void)
+static void __init spear_clocksource_init(void)
 {
 	u32 tick_rate;
 	u16 val;
diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig
index 92d660f9610f..55b305d51669 100644
--- a/arch/arm/mach-tegra/Kconfig
+++ b/arch/arm/mach-tegra/Kconfig
@@ -70,7 +70,4 @@ config TEGRA_AHB
 	  which controls AHB bus master arbitration and some
 	  performance parameters(priority, prefech size).
 
-config TEGRA_EMC_SCALING_ENABLE
-	bool "Enable scaling the memory frequency"
-
 endmenu
diff --git a/arch/arm/mach-vexpress/dcscb.c b/arch/arm/mach-vexpress/dcscb.c
index 788495d35cf9..30b993399ed7 100644
--- a/arch/arm/mach-vexpress/dcscb.c
+++ b/arch/arm/mach-vexpress/dcscb.c
@@ -51,12 +51,14 @@ static int dcscb_allcpus_mask[2];
 static int dcscb_power_up(unsigned int cpu, unsigned int cluster)
 {
 	unsigned int rst_hold, cpumask = (1 << cpu);
-	unsigned int all_mask = dcscb_allcpus_mask[cluster];
+	unsigned int all_mask;
 
 	pr_debug("%s: cpu %u cluster %u\n", __func__, cpu, cluster);
 	if (cpu >= 4 || cluster >= 2)
 		return -EINVAL;
 
+	all_mask = dcscb_allcpus_mask[cluster];
+
 	/*
 	 * Since this is called with IRQs enabled, and no arch_spin_lock_irq
 	 * variant exists, we need to disable IRQs manually here.
@@ -101,11 +103,12 @@ static void dcscb_power_down(void)
 	cpu = MPIDR_AFFINITY_LEVEL(mpidr, 0);
 	cluster = MPIDR_AFFINITY_LEVEL(mpidr, 1);
 	cpumask = (1 << cpu);
-	all_mask = dcscb_allcpus_mask[cluster];
 
 	pr_debug("%s: cpu %u cluster %u\n", __func__, cpu, cluster);
 	BUG_ON(cpu >= 4 || cluster >= 2);
 
+	all_mask = dcscb_allcpus_mask[cluster];
+
 	__mcpm_cpu_going_down(cpu, cluster);
 
 	arch_spin_lock(&dcscb_lock);
diff --git a/arch/arm/mach-vexpress/spc.c b/arch/arm/mach-vexpress/spc.c
index c26ef5b92ca7..2c2754e79cb3 100644
--- a/arch/arm/mach-vexpress/spc.c
+++ b/arch/arm/mach-vexpress/spc.c
@@ -392,7 +392,7 @@ static irqreturn_t ve_spc_irq_handler(int irq, void *data)
  *  +--------------------------+
  *  | 31      20 | 19        0 |
  *  +--------------------------+
- *  |   u_volt   |  freq(kHz)  |
+ *  |   m_volt   |  freq(kHz)  |
  *  +--------------------------+
  */
 #define MULT_FACTOR	20
@@ -414,7 +414,7 @@ static int ve_spc_populate_opps(uint32_t cluster)
 		ret = ve_spc_read_sys_cfg(SYSCFG_SCC, off, &data);
 		if (!ret) {
 			opps->freq = (data & FREQ_MASK) * MULT_FACTOR;
-			opps->u_volt = data >> VOLT_SHIFT;
+			opps->u_volt = (data >> VOLT_SHIFT) * 1000;
 		} else {
 			break;
 		}
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index f5ad9ee70426..5bf7c3c3b301 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -420,29 +420,29 @@ config CPU_32v3
 	bool
 	select CPU_USE_DOMAINS if MMU
 	select NEEDS_SYSCALL_FOR_CMPXCHG if SMP
-	select TLS_REG_EMUL if SMP || !MMU
 	select NEED_KUSER_HELPERS
+	select TLS_REG_EMUL if SMP || !MMU
 
 config CPU_32v4
 	bool
 	select CPU_USE_DOMAINS if MMU
 	select NEEDS_SYSCALL_FOR_CMPXCHG if SMP
-	select TLS_REG_EMUL if SMP || !MMU
 	select NEED_KUSER_HELPERS
+	select TLS_REG_EMUL if SMP || !MMU
 
 config CPU_32v4T
 	bool
 	select CPU_USE_DOMAINS if MMU
 	select NEEDS_SYSCALL_FOR_CMPXCHG if SMP
-	select TLS_REG_EMUL if SMP || !MMU
 	select NEED_KUSER_HELPERS
+	select TLS_REG_EMUL if SMP || !MMU
 
 config CPU_32v5
 	bool
 	select CPU_USE_DOMAINS if MMU
 	select NEEDS_SYSCALL_FOR_CMPXCHG if SMP
-	select TLS_REG_EMUL if SMP || !MMU
 	select NEED_KUSER_HELPERS
+	select TLS_REG_EMUL if SMP || !MMU
 
 config CPU_32v6
 	bool
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index f62aa0677e5c..6b00be1f971e 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -1963,8 +1963,8 @@ arm_iommu_create_mapping(struct bus_type *bus, dma_addr_t base, size_t size)
 	mapping->nr_bitmaps = 1;
 	mapping->extensions = extensions;
 	mapping->base = base;
-	mapping->size = bitmap_size << PAGE_SHIFT;
 	mapping->bits = BITS_PER_BYTE * bitmap_size;
+	mapping->size = mapping->bits << PAGE_SHIFT;
 
 	spin_lock_init(&mapping->lock);
 
diff --git a/arch/arm/plat-samsung/include/plat/cpu.h b/arch/arm/plat-samsung/include/plat/cpu.h
index 5992b8dd9b89..5a237db9f9eb 100644
--- a/arch/arm/plat-samsung/include/plat/cpu.h
+++ b/arch/arm/plat-samsung/include/plat/cpu.h
@@ -43,16 +43,6 @@ extern unsigned long samsung_cpu_id;
 #define S5PV210_CPU_ID		0x43110000
 #define S5PV210_CPU_MASK	0xFFFFF000
 
-#define EXYNOS4210_CPU_ID	0x43210000
-#define EXYNOS4212_CPU_ID	0x43220000
-#define EXYNOS4412_CPU_ID	0xE4412200
-#define EXYNOS4_CPU_MASK	0xFFFE0000
-
-#define EXYNOS5250_SOC_ID	0x43520000
-#define EXYNOS5420_SOC_ID	0xE5420000
-#define EXYNOS5440_SOC_ID	0xE5440000
-#define EXYNOS5_SOC_MASK	0xFFFFF000
-
 #define IS_SAMSUNG_CPU(name, id, mask)		\
 static inline int is_samsung_##name(void)	\
 {						\
@@ -68,12 +58,6 @@ IS_SAMSUNG_CPU(s5p6440, S5P6440_CPU_ID, S5P64XX_CPU_MASK)
 IS_SAMSUNG_CPU(s5p6450, S5P6450_CPU_ID, S5P64XX_CPU_MASK)
 IS_SAMSUNG_CPU(s5pc100, S5PC100_CPU_ID, S5PC100_CPU_MASK)
 IS_SAMSUNG_CPU(s5pv210, S5PV210_CPU_ID, S5PV210_CPU_MASK)
-IS_SAMSUNG_CPU(exynos4210, EXYNOS4210_CPU_ID, EXYNOS4_CPU_MASK)
-IS_SAMSUNG_CPU(exynos4212, EXYNOS4212_CPU_ID, EXYNOS4_CPU_MASK)
-IS_SAMSUNG_CPU(exynos4412, EXYNOS4412_CPU_ID, EXYNOS4_CPU_MASK)
-IS_SAMSUNG_CPU(exynos5250, EXYNOS5250_SOC_ID, EXYNOS5_SOC_MASK)
-IS_SAMSUNG_CPU(exynos5420, EXYNOS5420_SOC_ID, EXYNOS5_SOC_MASK)
-IS_SAMSUNG_CPU(exynos5440, EXYNOS5440_SOC_ID, EXYNOS5_SOC_MASK)
 
 #if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2412) || \
     defined(CONFIG_CPU_S3C2416) || defined(CONFIG_CPU_S3C2440) || \
@@ -126,50 +110,6 @@ IS_SAMSUNG_CPU(exynos5440, EXYNOS5440_SOC_ID, EXYNOS5_SOC_MASK)
 # define soc_is_s5pv210()	0
 #endif
 
-#if defined(CONFIG_CPU_EXYNOS4210)
-# define soc_is_exynos4210()	is_samsung_exynos4210()
-#else
-# define soc_is_exynos4210()	0
-#endif
-
-#if defined(CONFIG_SOC_EXYNOS4212)
-# define soc_is_exynos4212()	is_samsung_exynos4212()
-#else
-# define soc_is_exynos4212()	0
-#endif
-
-#if defined(CONFIG_SOC_EXYNOS4412)
-# define soc_is_exynos4412()	is_samsung_exynos4412()
-#else
-# define soc_is_exynos4412()	0
-#endif
-
-#define EXYNOS4210_REV_0	(0x0)
-#define EXYNOS4210_REV_1_0	(0x10)
-#define EXYNOS4210_REV_1_1	(0x11)
-
-#if defined(CONFIG_SOC_EXYNOS5250)
-# define soc_is_exynos5250()	is_samsung_exynos5250()
-#else
-# define soc_is_exynos5250()	0
-#endif
-
-#if defined(CONFIG_SOC_EXYNOS5420)
-# define soc_is_exynos5420()	is_samsung_exynos5420()
-#else
-# define soc_is_exynos5420()	0
-#endif
-
-#if defined(CONFIG_SOC_EXYNOS5440)
-# define soc_is_exynos5440()	is_samsung_exynos5440()
-#else
-# define soc_is_exynos5440()	0
-#endif
-
-#define soc_is_exynos4() (soc_is_exynos4210() || soc_is_exynos4212() || \
-			  soc_is_exynos4412())
-#define soc_is_exynos5() (soc_is_exynos5250() || soc_is_exynos5420())
-
 #define IODESC_ENT(x) { (unsigned long)S3C24XX_VA_##x, __phys_to_pfn(S3C24XX_PA_##x), S3C24XX_SZ_##x, MT_DEVICE }
 
 #ifndef KHZ
@@ -239,7 +179,6 @@ extern struct bus_type s3c2443_subsys;
 extern struct bus_type s3c6410_subsys;
 extern struct bus_type s5p64x0_subsys;
 extern struct bus_type s5pv210_subsys;
-extern struct bus_type exynos_subsys;
 
 extern void (*s5pc1xx_idle)(void);
 
diff --git a/arch/arm/vfp/vfpdouble.c b/arch/arm/vfp/vfpdouble.c
index 6cac43bd1d86..423f56dd4028 100644
--- a/arch/arm/vfp/vfpdouble.c
+++ b/arch/arm/vfp/vfpdouble.c
@@ -866,6 +866,8 @@ vfp_double_multiply_accumulate(int dd, int dn, int dm, u32 fpscr, u32 negate, ch
 		vdp.sign = vfp_sign_negate(vdp.sign);
 
 	vfp_double_unpack(&vdn, vfp_get_double(dd));
+	if (vdn.exponent == 0 && vdn.significand)
+		vfp_double_normalise_denormal(&vdn);
 	if (negate & NEG_SUBTRACT)
 		vdn.sign = vfp_sign_negate(vdn.sign);
 
diff --git a/arch/arm/vfp/vfpsingle.c b/arch/arm/vfp/vfpsingle.c
index b252631b406b..4f96c1617aae 100644
--- a/arch/arm/vfp/vfpsingle.c
+++ b/arch/arm/vfp/vfpsingle.c
@@ -915,6 +915,8 @@ vfp_single_multiply_accumulate(int sd, int sn, s32 m, u32 fpscr, u32 negate, cha
 	v = vfp_get_float(sd);
 	pr_debug("VFP: s%u = %08x\n", sd, v);
 	vfp_single_unpack(&vsn, v);
+	if (vsn.exponent == 0 && vsn.significand)
+		vfp_single_normalise_denormal(&vsn);
 	if (negate & NEG_SUBTRACT)
 		vsn.sign = vfp_sign_negate(vsn.sign);
 
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index e6e4d3749a6e..e759af5d7098 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -323,8 +323,6 @@ menu "CPU Power Management"
 
 source "drivers/cpuidle/Kconfig"
 
-source "kernel/power/Kconfig"
-
 source "drivers/cpufreq/Kconfig"
 
 endmenu
diff --git a/arch/arm64/boot/dts/apm-storm.dtsi b/arch/arm64/boot/dts/apm-storm.dtsi
index 93f4b2dd9248..f8c40a66e65d 100644
--- a/arch/arm64/boot/dts/apm-storm.dtsi
+++ b/arch/arm64/boot/dts/apm-storm.dtsi
@@ -307,6 +307,7 @@
 			      <0x0 0x1f21e000 0x0 0x1000>,
 			      <0x0 0x1f217000 0x0 0x1000>;
 			interrupts = <0x0 0x86 0x4>;
+			dma-coherent;
 			status = "disabled";
 			clocks = <&sata01clk 0>;
 			phys = <&phy1 0>;
@@ -321,6 +322,7 @@
 			      <0x0 0x1f22e000 0x0 0x1000>,
 			      <0x0 0x1f227000 0x0 0x1000>;
 			interrupts = <0x0 0x87 0x4>;
+			dma-coherent;
 			status = "ok";
 			clocks = <&sata23clk 0>;
 			phys = <&phy2 0>;
@@ -334,6 +336,7 @@
 			      <0x0 0x1f23d000 0x0 0x1000>,
 			      <0x0 0x1f23e000 0x0 0x1000>;
 			interrupts = <0x0 0x88 0x4>;
+			dma-coherent;
 			status = "ok";
 			clocks = <&sata45clk 0>;
 			phys = <&phy3 0>;
diff --git a/arch/arm64/include/asm/mmu.h b/arch/arm64/include/asm/mmu.h
index f600d400c07d..aff0292c8f4d 100644
--- a/arch/arm64/include/asm/mmu.h
+++ b/arch/arm64/include/asm/mmu.h
@@ -22,6 +22,9 @@ typedef struct {
 	void *vdso;
 } mm_context_t;
 
+#define INIT_MM_CONTEXT(name) \
+	.context.id_lock = __RAW_SPIN_LOCK_UNLOCKED(name.context.id_lock),
+
 #define ASID(mm)	((mm)->context.id & 0xffff)
 
 extern void paging_init(void);
diff --git a/arch/arm64/include/asm/tlb.h b/arch/arm64/include/asm/tlb.h
index 72cadf52ca80..80e2c08900d6 100644
--- a/arch/arm64/include/asm/tlb.h
+++ b/arch/arm64/include/asm/tlb.h
@@ -19,6 +19,7 @@
 #ifndef __ASM_TLB_H
 #define __ASM_TLB_H
 
+#define  __tlb_remove_pmd_tlb_entry __tlb_remove_pmd_tlb_entry
 
 #include <asm-generic/tlb.h>
 
@@ -99,5 +100,10 @@ static inline void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmdp,
 }
 #endif
 
+static inline void __tlb_remove_pmd_tlb_entry(struct mmu_gather *tlb, pmd_t *pmdp,
+						unsigned long address)
+{
+	tlb_add_flush(tlb, address);
+}
 
 #endif
diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h
index bb8eb8a78e67..c8d8fc17bd5a 100644
--- a/arch/arm64/include/asm/unistd32.h
+++ b/arch/arm64/include/asm/unistd32.h
@@ -403,8 +403,9 @@ __SYSCALL(378, sys_kcmp)
 __SYSCALL(379, sys_finit_module)
 __SYSCALL(380, sys_sched_setattr)
 __SYSCALL(381, sys_sched_getattr)
+__SYSCALL(382, sys_renameat2)
 
-#define __NR_compat_syscalls		379
+#define __NR_compat_syscalls		383
 
 /*
  * Compat syscall numbers used by the AArch64 kernel.
diff --git a/arch/arm64/kernel/debug-monitors.c b/arch/arm64/kernel/debug-monitors.c
index ed3955a95747..a7fb874b595e 100644
--- a/arch/arm64/kernel/debug-monitors.c
+++ b/arch/arm64/kernel/debug-monitors.c
@@ -318,9 +318,6 @@ static int brk_handler(unsigned long addr, unsigned int esr,
 	if (call_break_hook(regs, esr) == DBG_HOOK_HANDLED)
 		return 0;
 
-	pr_warn("unexpected brk exception at %lx, esr=0x%x\n",
-			(long)instruction_pointer(regs), esr);
-
 	if (!user_mode(regs))
 		return -EFAULT;
 
diff --git a/arch/arm64/kernel/early_printk.c b/arch/arm64/kernel/early_printk.c
index ffbbdde7aba1..2dc36d00addf 100644
--- a/arch/arm64/kernel/early_printk.c
+++ b/arch/arm64/kernel/early_printk.c
@@ -143,10 +143,8 @@ static int __init setup_early_printk(char *buf)
 	}
 	/* no options parsing yet */
 
-	if (paddr) {
-		set_fixmap_io(FIX_EARLYCON_MEM_BASE, paddr);
-		early_base = (void __iomem *)fix_to_virt(FIX_EARLYCON_MEM_BASE);
-	}
+	if (paddr)
+		early_base = (void __iomem *)set_fixmap_offset_io(FIX_EARLYCON_MEM_BASE, paddr);
 
 	printch = match->printch;
 	early_console = &early_console_dev;
diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index 720853f70b6b..7ec784653b29 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -393,11 +393,10 @@ void __init setup_arch(char **cmdline_p)
 
 static int __init arm64_device_init(void)
 {
-	of_clk_init(NULL);
 	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
 	return 0;
 }
-arch_initcall(arm64_device_init);
+arch_initcall_sync(arm64_device_init);
 
 static DEFINE_PER_CPU(struct cpu, cpu_data);
 
diff --git a/arch/arm64/kernel/time.c b/arch/arm64/kernel/time.c
index 29c39d5d77e3..6815987b50f8 100644
--- a/arch/arm64/kernel/time.c
+++ b/arch/arm64/kernel/time.c
@@ -33,6 +33,7 @@
 #include <linux/irq.h>
 #include <linux/delay.h>
 #include <linux/clocksource.h>
+#include <linux/clk-provider.h>
 
 #include <clocksource/arm_arch_timer.h>
 
@@ -65,6 +66,7 @@ void __init time_init(void)
 {
 	u32 arch_timer_rate;
 
+	of_clk_init(NULL);
 	clocksource_of_init();
 
 	arch_timer_rate = arch_timer_get_rate();
diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c
index 0ba347e59f06..c851eb44dc50 100644
--- a/arch/arm64/mm/dma-mapping.c
+++ b/arch/arm64/mm/dma-mapping.c
@@ -22,8 +22,11 @@
 #include <linux/slab.h>
 #include <linux/dma-mapping.h>
 #include <linux/dma-contiguous.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
 #include <linux/vmalloc.h>
 #include <linux/swiotlb.h>
+#include <linux/amba/bus.h>
 
 #include <asm/cacheflush.h>
 
@@ -305,17 +308,45 @@ struct dma_map_ops coherent_swiotlb_dma_ops = {
 };
 EXPORT_SYMBOL(coherent_swiotlb_dma_ops);
 
+static int dma_bus_notifier(struct notifier_block *nb,
+			    unsigned long event, void *_dev)
+{
+	struct device *dev = _dev;
+
+	if (event != BUS_NOTIFY_ADD_DEVICE)
+		return NOTIFY_DONE;
+
+	if (of_property_read_bool(dev->of_node, "dma-coherent"))
+		set_dma_ops(dev, &coherent_swiotlb_dma_ops);
+
+	return NOTIFY_OK;
+}
+
+static struct notifier_block platform_bus_nb = {
+	.notifier_call = dma_bus_notifier,
+};
+
+static struct notifier_block amba_bus_nb = {
+	.notifier_call = dma_bus_notifier,
+};
+
 extern int swiotlb_late_init_with_default_size(size_t default_size);
 
 static int __init swiotlb_late_init(void)
 {
 	size_t swiotlb_size = min(SZ_64M, MAX_ORDER_NR_PAGES << PAGE_SHIFT);
 
-	dma_ops = &coherent_swiotlb_dma_ops;
+	/*
+	 * These must be registered before of_platform_populate().
+	 */
+	bus_register_notifier(&platform_bus_type, &platform_bus_nb);
+	bus_register_notifier(&amba_bustype, &amba_bus_nb);
+
+	dma_ops = &noncoherent_swiotlb_dma_ops;
 
 	return swiotlb_late_init_with_default_size(swiotlb_size);
 }
-subsys_initcall(swiotlb_late_init);
+arch_initcall(swiotlb_late_init);
 
 #define PREALLOC_DMA_DEBUG_ENTRIES	4096
 
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
index 6b7e89569a3a..0a472c41a67f 100644
--- a/arch/arm64/mm/mmu.c
+++ b/arch/arm64/mm/mmu.c
@@ -374,6 +374,9 @@ int kern_addr_valid(unsigned long addr)
 	if (pmd_none(*pmd))
 		return 0;
 
+	if (pmd_sect(*pmd))
+		return pfn_valid(pmd_pfn(*pmd));
+
 	pte = pte_offset_kernel(pmd, addr);
 	if (pte_none(*pte))
 		return 0;
diff --git a/arch/hexagon/include/asm/barrier.h b/arch/hexagon/include/asm/barrier.h
deleted file mode 100644
index 4e863daea25b..000000000000
--- a/arch/hexagon/include/asm/barrier.h
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * Memory barrier definitions for the Hexagon architecture
- *
- * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- */
-
-#ifndef _ASM_BARRIER_H
-#define _ASM_BARRIER_H
-
-#define rmb()				barrier()
-#define read_barrier_depends()		barrier()
-#define wmb()				barrier()
-#define mb()				barrier()
-#define smp_rmb()			barrier()
-#define smp_read_barrier_depends()	barrier()
-#define smp_wmb()			barrier()
-#define smp_mb()			barrier()
-
-/*  Set a value and use a memory barrier.  Used by the scheduler somewhere.  */
-#define set_mb(var, value) \
-	do { var = value; mb(); } while (0)
-
-#endif /* _ASM_BARRIER_H */
diff --git a/arch/ia64/include/asm/tlb.h b/arch/ia64/include/asm/tlb.h
index bc5efc7c3f3f..39d64e0df1de 100644
--- a/arch/ia64/include/asm/tlb.h
+++ b/arch/ia64/include/asm/tlb.h
@@ -91,18 +91,9 @@ extern struct ia64_tr_entry *ia64_idtrs[NR_CPUS];
 #define RR_RID_MASK	0x00000000ffffff00L
 #define RR_TO_RID(val) 	((val >> 8) & 0xffffff)
 
-/*
- * Flush the TLB for address range START to END and, if not in fast mode, release the
- * freed pages that where gathered up to this point.
- */
 static inline void
-ia64_tlb_flush_mmu (struct mmu_gather *tlb, unsigned long start, unsigned long end)
+ia64_tlb_flush_mmu_tlbonly(struct mmu_gather *tlb, unsigned long start, unsigned long end)
 {
-	unsigned long i;
-	unsigned int nr;
-
-	if (!tlb->need_flush)
-		return;
 	tlb->need_flush = 0;
 
 	if (tlb->fullmm) {
@@ -135,6 +126,14 @@ ia64_tlb_flush_mmu (struct mmu_gather *tlb, unsigned long start, unsigned long e
 		flush_tlb_range(&vma, ia64_thash(start), ia64_thash(end));
 	}
 
+}
+
+static inline void
+ia64_tlb_flush_mmu_free(struct mmu_gather *tlb)
+{
+	unsigned long i;
+	unsigned int nr;
+
 	/* lastly, release the freed pages */
 	nr = tlb->nr;
 
@@ -144,6 +143,19 @@ ia64_tlb_flush_mmu (struct mmu_gather *tlb, unsigned long start, unsigned long e
 		free_page_and_swap_cache(tlb->pages[i]);
 }
 
+/*
+ * Flush the TLB for address range START to END and, if not in fast mode, release the
+ * freed pages that where gathered up to this point.
+ */
+static inline void
+ia64_tlb_flush_mmu (struct mmu_gather *tlb, unsigned long start, unsigned long end)
+{
+	if (!tlb->need_flush)
+		return;
+	ia64_tlb_flush_mmu_tlbonly(tlb, start, end);
+	ia64_tlb_flush_mmu_free(tlb);
+}
+
 static inline void __tlb_alloc_page(struct mmu_gather *tlb)
 {
 	unsigned long addr = __get_free_pages(GFP_NOWAIT | __GFP_NOWARN, 0);
@@ -206,6 +218,16 @@ static inline int __tlb_remove_page(struct mmu_gather *tlb, struct page *page)
 	return tlb->max - tlb->nr;
 }
 
+static inline void tlb_flush_mmu_tlbonly(struct mmu_gather *tlb)
+{
+	ia64_tlb_flush_mmu_tlbonly(tlb, tlb->start_addr, tlb->end_addr);
+}
+
+static inline void tlb_flush_mmu_free(struct mmu_gather *tlb)
+{
+	ia64_tlb_flush_mmu_free(tlb);
+}
+
 static inline void tlb_flush_mmu(struct mmu_gather *tlb)
 {
 	ia64_tlb_flush_mmu(tlb, tlb->start_addr, tlb->end_addr);
diff --git a/arch/ia64/kernel/head.S b/arch/ia64/kernel/head.S
index e6f80fcf013b..a4acddad0c78 100644
--- a/arch/ia64/kernel/head.S
+++ b/arch/ia64/kernel/head.S
@@ -259,7 +259,7 @@ start_ap:
 	 * Switch into virtual mode:
 	 */
 	movl r16=(IA64_PSR_IT|IA64_PSR_IC|IA64_PSR_DT|IA64_PSR_RT|IA64_PSR_DFH|IA64_PSR_BN \
-		  |IA64_PSR_DI|IA64_PSR_AC)
+		  |IA64_PSR_DI)
 	;;
 	mov cr.ipsr=r16
 	movl r17=1f
diff --git a/arch/ia64/kernel/ivt.S b/arch/ia64/kernel/ivt.S
index 689ffcaa284e..18e794a57248 100644
--- a/arch/ia64/kernel/ivt.S
+++ b/arch/ia64/kernel/ivt.S
@@ -58,7 +58,7 @@
 #include <asm/unistd.h>
 #include <asm/errno.h>
 
-#if 1
+#if 0
 # define PSR_DEFAULT_BITS	psr.ac
 #else
 # define PSR_DEFAULT_BITS	0
diff --git a/arch/ia64/kvm/vmm_ivt.S b/arch/ia64/kvm/vmm_ivt.S
index 24018484c6e9..397e34a63e18 100644
--- a/arch/ia64/kvm/vmm_ivt.S
+++ b/arch/ia64/kvm/vmm_ivt.S
@@ -64,7 +64,7 @@
 #include "kvm_minstate.h"
 #include "vti.h"
 
-#if 1
+#if 0
 # define PSR_DEFAULT_BITS   psr.ac
 #else
 # define PSR_DEFAULT_BITS   0
diff --git a/arch/mips/cavium-octeon/octeon-irq.c b/arch/mips/cavium-octeon/octeon-irq.c
index c2bb4f896ce7..3aa5b46b2d40 100644
--- a/arch/mips/cavium-octeon/octeon-irq.c
+++ b/arch/mips/cavium-octeon/octeon-irq.c
@@ -635,7 +635,7 @@ static void octeon_irq_cpu_offline_ciu(struct irq_data *data)
 		cpumask_clear(&new_affinity);
 		cpumask_set_cpu(cpumask_first(cpu_online_mask), &new_affinity);
 	}
-	__irq_set_affinity_locked(data, &new_affinity);
+	irq_set_affinity_locked(data, &new_affinity, false);
 }
 
 static int octeon_irq_ciu_set_affinity(struct irq_data *data,
diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c
index e422b38d3113..9e67cdea3c74 100644
--- a/arch/mips/mm/cache.c
+++ b/arch/mips/mm/cache.c
@@ -29,15 +29,15 @@ void (*flush_cache_range)(struct vm_area_struct *vma, unsigned long start,
 void (*flush_cache_page)(struct vm_area_struct *vma, unsigned long page,
 	unsigned long pfn);
 void (*flush_icache_range)(unsigned long start, unsigned long end);
+EXPORT_SYMBOL_GPL(flush_icache_range);
 void (*local_flush_icache_range)(unsigned long start, unsigned long end);
 
 void (*__flush_cache_vmap)(void);
 void (*__flush_cache_vunmap)(void);
 
 void (*__flush_kernel_vmap_range)(unsigned long vaddr, int size);
-void (*__invalidate_kernel_vmap_range)(unsigned long vaddr, int size);
-
 EXPORT_SYMBOL_GPL(__flush_kernel_vmap_range);
+void (*__invalidate_kernel_vmap_range)(unsigned long vaddr, int size);
 
 /* MIPS specific cache operations */
 void (*flush_cache_sigtramp)(unsigned long addr);
diff --git a/arch/parisc/include/asm/shmparam.h b/arch/parisc/include/asm/shmparam.h
index 628ddc22faa8..afe1300ab667 100644
--- a/arch/parisc/include/asm/shmparam.h
+++ b/arch/parisc/include/asm/shmparam.h
@@ -1,8 +1,7 @@
 #ifndef _ASMPARISC_SHMPARAM_H
 #define _ASMPARISC_SHMPARAM_H
 
-#define __ARCH_FORCE_SHMLBA 	1
-
-#define SHMLBA 0x00400000   /* attach addr needs to be 4 Mb aligned */
+#define SHMLBA	   PAGE_SIZE	/* attach addr a multiple of this */
+#define SHM_COLOUR 0x00400000	/* shared mappings colouring */
 
 #endif /* _ASMPARISC_SHMPARAM_H */
diff --git a/arch/parisc/include/uapi/asm/Kbuild b/arch/parisc/include/uapi/asm/Kbuild
index a580642555b6..348356c99514 100644
--- a/arch/parisc/include/uapi/asm/Kbuild
+++ b/arch/parisc/include/uapi/asm/Kbuild
@@ -1,6 +1,8 @@
 # UAPI Header export list
 include include/uapi/asm-generic/Kbuild.asm
 
+generic-y += resource.h
+
 header-y += bitsperlong.h
 header-y += byteorder.h
 header-y += errno.h
@@ -13,7 +15,6 @@ header-y += msgbuf.h
 header-y += pdc.h
 header-y += posix_types.h
 header-y += ptrace.h
-header-y += resource.h
 header-y += sembuf.h
 header-y += setup.h
 header-y += shmbuf.h
diff --git a/arch/parisc/include/uapi/asm/resource.h b/arch/parisc/include/uapi/asm/resource.h
deleted file mode 100644
index 8b06343b62ed..000000000000
--- a/arch/parisc/include/uapi/asm/resource.h
+++ /dev/null
@@ -1,7 +0,0 @@
-#ifndef _ASM_PARISC_RESOURCE_H
-#define _ASM_PARISC_RESOURCE_H
-
-#define _STK_LIM_MAX	10 * _STK_LIM
-#include <asm-generic/resource.h>
-
-#endif
diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index a6ffc775a9f8..f6448c7c62b5 100644
--- a/arch/parisc/kernel/cache.c
+++ b/arch/parisc/kernel/cache.c
@@ -323,7 +323,8 @@ void flush_dcache_page(struct page *page)
 		 * specifically accesses it, of course) */
 
 		flush_tlb_page(mpnt, addr);
-		if (old_addr == 0 || (old_addr & (SHMLBA - 1)) != (addr & (SHMLBA - 1))) {
+		if (old_addr == 0 || (old_addr & (SHM_COLOUR - 1))
+				      != (addr & (SHM_COLOUR - 1))) {
 			__flush_cache_page(mpnt, addr, page_to_phys(page));
 			if (old_addr)
 				printk(KERN_ERR "INEQUIVALENT ALIASES 0x%lx and 0x%lx in file %s\n", old_addr, addr, mpnt->vm_file ? (char *)mpnt->vm_file->f_path.dentry->d_name.name : "(null)");
diff --git a/arch/parisc/kernel/sys_parisc.c b/arch/parisc/kernel/sys_parisc.c
index b7cadc4a06cd..31ffa9b55322 100644
--- a/arch/parisc/kernel/sys_parisc.c
+++ b/arch/parisc/kernel/sys_parisc.c
@@ -45,7 +45,7 @@
 
 static int get_offset(unsigned int last_mmap)
 {
-	return (last_mmap & (SHMLBA-1)) >> PAGE_SHIFT;
+	return (last_mmap & (SHM_COLOUR-1)) >> PAGE_SHIFT;
 }
 
 static unsigned long shared_align_offset(unsigned int last_mmap,
@@ -57,8 +57,8 @@ static unsigned long shared_align_offset(unsigned int last_mmap,
 static inline unsigned long COLOR_ALIGN(unsigned long addr,
 			 unsigned int last_mmap, unsigned long pgoff)
 {
-	unsigned long base = (addr+SHMLBA-1) & ~(SHMLBA-1);
-	unsigned long off  = (SHMLBA-1) &
+	unsigned long base = (addr+SHM_COLOUR-1) & ~(SHM_COLOUR-1);
+	unsigned long off  = (SHM_COLOUR-1) &
 		(shared_align_offset(last_mmap, pgoff) << PAGE_SHIFT);
 
 	return base + off;
@@ -101,7 +101,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
 	if (flags & MAP_FIXED) {
 		if ((flags & MAP_SHARED) && last_mmap &&
 		    (addr - shared_align_offset(last_mmap, pgoff))
-				& (SHMLBA - 1))
+				& (SHM_COLOUR - 1))
 			return -EINVAL;
 		goto found_addr;
 	}
@@ -122,7 +122,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
 	info.length = len;
 	info.low_limit = mm->mmap_legacy_base;
 	info.high_limit = mmap_upper_limit();
-	info.align_mask = last_mmap ? (PAGE_MASK & (SHMLBA - 1)) : 0;
+	info.align_mask = last_mmap ? (PAGE_MASK & (SHM_COLOUR - 1)) : 0;
 	info.align_offset = shared_align_offset(last_mmap, pgoff);
 	addr = vm_unmapped_area(&info);
 
@@ -161,7 +161,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
 	if (flags & MAP_FIXED) {
 		if ((flags & MAP_SHARED) && last_mmap &&
 		    (addr - shared_align_offset(last_mmap, pgoff))
-			& (SHMLBA - 1))
+			& (SHM_COLOUR - 1))
 			return -EINVAL;
 		goto found_addr;
 	}
@@ -182,7 +182,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
 	info.length = len;
 	info.low_limit = PAGE_SIZE;
 	info.high_limit = mm->mmap_base;
-	info.align_mask = last_mmap ? (PAGE_MASK & (SHMLBA - 1)) : 0;
+	info.align_mask = last_mmap ? (PAGE_MASK & (SHM_COLOUR - 1)) : 0;
 	info.align_offset = shared_align_offset(last_mmap, pgoff);
 	addr = vm_unmapped_area(&info);
 	if (!(addr & ~PAGE_MASK))
diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S
index 80e5dd248934..83ead0ea127d 100644
--- a/arch/parisc/kernel/syscall_table.S
+++ b/arch/parisc/kernel/syscall_table.S
@@ -392,7 +392,7 @@
 	ENTRY_COMP(vmsplice)
 	ENTRY_COMP(move_pages)		/* 295 */
 	ENTRY_SAME(getcpu)
-	ENTRY_SAME(epoll_pwait)
+	ENTRY_COMP(epoll_pwait)
 	ENTRY_COMP(statfs64)
 	ENTRY_COMP(fstatfs64)
 	ENTRY_COMP(kexec_load)		/* 300 */
diff --git a/arch/parisc/lib/memcpy.c b/arch/parisc/lib/memcpy.c
index 413dc1769299..b2b441b32341 100644
--- a/arch/parisc/lib/memcpy.c
+++ b/arch/parisc/lib/memcpy.c
@@ -470,7 +470,7 @@ static unsigned long pa_memcpy(void *dstp, const void *srcp, unsigned long len)
 		return 0;
 
 	/* if a load or store fault occured we can get the faulty addr */
-	d = &__get_cpu_var(exception_data);
+	d = this_cpu_ptr(&exception_data);
 	fault_addr = d->fault_addr;
 
 	/* error in load or store? */
diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c
index 9d08c71a967e..747550762f3c 100644
--- a/arch/parisc/mm/fault.c
+++ b/arch/parisc/mm/fault.c
@@ -151,7 +151,7 @@ int fixup_exception(struct pt_regs *regs)
 	fix = search_exception_tables(regs->iaoq[0]);
 	if (fix) {
 		struct exception_data *d;
-		d = &__get_cpu_var(exception_data);
+		d = this_cpu_ptr(&exception_data);
 		d->fault_ip = regs->iaoq[0];
 		d->fault_space = regs->isr;
 		d->fault_addr = regs->ior;
diff --git a/arch/powerpc/boot/main.c b/arch/powerpc/boot/main.c
index a28f02165e97..d367a0aece2a 100644
--- a/arch/powerpc/boot/main.c
+++ b/arch/powerpc/boot/main.c
@@ -139,18 +139,18 @@ static struct addr_range prep_initrd(struct addr_range vmlinux, void *chosen,
  * edit the command line passed to vmlinux (by setting /chosen/bootargs).
  * The buffer is put in it's own section so that tools may locate it easier.
  */
-static char cmdline[COMMAND_LINE_SIZE]
+static char cmdline[BOOT_COMMAND_LINE_SIZE]
 	__attribute__((__section__("__builtin_cmdline")));
 
 static void prep_cmdline(void *chosen)
 {
 	if (cmdline[0] == '\0')
-		getprop(chosen, "bootargs", cmdline, COMMAND_LINE_SIZE-1);
+		getprop(chosen, "bootargs", cmdline, BOOT_COMMAND_LINE_SIZE-1);
 
 	printf("\n\rLinux/PowerPC load: %s", cmdline);
 	/* If possible, edit the command line */
 	if (console_ops.edit_cmdline)
-		console_ops.edit_cmdline(cmdline, COMMAND_LINE_SIZE);
+		console_ops.edit_cmdline(cmdline, BOOT_COMMAND_LINE_SIZE);
 	printf("\n\r");
 
 	/* Put the command line back into the devtree for the kernel */
@@ -174,7 +174,7 @@ void start(void)
 	 * built-in command line wasn't set by an external tool */
 	if ((loader_info.cmdline_len > 0) && (cmdline[0] == '\0'))
 		memmove(cmdline, loader_info.cmdline,
-			min(loader_info.cmdline_len, COMMAND_LINE_SIZE-1));
+			min(loader_info.cmdline_len, BOOT_COMMAND_LINE_SIZE-1));
 
 	if (console_ops.open && (console_ops.open() < 0))
 		exit();
diff --git a/arch/powerpc/boot/ops.h b/arch/powerpc/boot/ops.h
index b3218ce451bb..8aad3c55aeda 100644
--- a/arch/powerpc/boot/ops.h
+++ b/arch/powerpc/boot/ops.h
@@ -15,7 +15,7 @@
 #include "types.h"
 #include "string.h"
 
-#define	COMMAND_LINE_SIZE	512
+#define	BOOT_COMMAND_LINE_SIZE	2048
 #define	MAX_PATH_LEN		256
 #define	MAX_PROP_LEN		256 /* What should this be? */
 
diff --git a/arch/powerpc/boot/ps3.c b/arch/powerpc/boot/ps3.c
index 9954d98871d0..4ec2d86d3c50 100644
--- a/arch/powerpc/boot/ps3.c
+++ b/arch/powerpc/boot/ps3.c
@@ -47,13 +47,13 @@ BSS_STACK(4096);
  * The buffer is put in it's own section so that tools may locate it easier.
  */
 
-static char cmdline[COMMAND_LINE_SIZE]
+static char cmdline[BOOT_COMMAND_LINE_SIZE]
 	__attribute__((__section__("__builtin_cmdline")));
 
 static void prep_cmdline(void *chosen)
 {
 	if (cmdline[0] == '\0')
-		getprop(chosen, "bootargs", cmdline, COMMAND_LINE_SIZE-1);
+		getprop(chosen, "bootargs", cmdline, BOOT_COMMAND_LINE_SIZE-1);
 	else
 		setprop_str(chosen, "bootargs", cmdline);
 
diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h
index a2efdaa020b0..66ad7a74116f 100644
--- a/arch/powerpc/include/asm/opal.h
+++ b/arch/powerpc/include/asm/opal.h
@@ -41,14 +41,14 @@ struct opal_takeover_args {
  * size except the last one in the list to be as well.
  */
 struct opal_sg_entry {
-	void    *data;
-	long    length;
+	__be64 data;
+	__be64 length;
 };
 
-/* sg list */
+/* SG list */
 struct opal_sg_list {
-	unsigned long num_entries;
-	struct opal_sg_list *next;
+	__be64 length;
+	__be64 next;
 	struct opal_sg_entry entry[];
 };
 
@@ -858,8 +858,8 @@ int64_t opal_lpc_write(uint32_t chip_id, enum OpalLPCAddressType addr_type,
 int64_t opal_lpc_read(uint32_t chip_id, enum OpalLPCAddressType addr_type,
 		      uint32_t addr, __be32 *data, uint32_t sz);
 
-int64_t opal_read_elog(uint64_t buffer, size_t size, uint64_t log_id);
-int64_t opal_get_elog_size(uint64_t *log_id, size_t *size, uint64_t *elog_type);
+int64_t opal_read_elog(uint64_t buffer, uint64_t size, uint64_t log_id);
+int64_t opal_get_elog_size(__be64 *log_id, __be64 *size, __be64 *elog_type);
 int64_t opal_write_elog(uint64_t buffer, uint64_t size, uint64_t offset);
 int64_t opal_send_ack_elog(uint64_t log_id);
 void opal_resend_pending_logs(void);
@@ -868,23 +868,24 @@ int64_t opal_validate_flash(uint64_t buffer, uint32_t *size, uint32_t *result);
 int64_t opal_manage_flash(uint8_t op);
 int64_t opal_update_flash(uint64_t blk_list);
 int64_t opal_dump_init(uint8_t dump_type);
-int64_t opal_dump_info(uint32_t *dump_id, uint32_t *dump_size);
-int64_t opal_dump_info2(uint32_t *dump_id, uint32_t *dump_size, uint32_t *dump_type);
+int64_t opal_dump_info(__be32 *dump_id, __be32 *dump_size);
+int64_t opal_dump_info2(__be32 *dump_id, __be32 *dump_size, __be32 *dump_type);
 int64_t opal_dump_read(uint32_t dump_id, uint64_t buffer);
 int64_t opal_dump_ack(uint32_t dump_id);
 int64_t opal_dump_resend_notification(void);
 
-int64_t opal_get_msg(uint64_t buffer, size_t size);
-int64_t opal_check_completion(uint64_t buffer, size_t size, uint64_t token);
+int64_t opal_get_msg(uint64_t buffer, uint64_t size);
+int64_t opal_check_completion(uint64_t buffer, uint64_t size, uint64_t token);
 int64_t opal_sync_host_reboot(void);
 int64_t opal_get_param(uint64_t token, uint32_t param_id, uint64_t buffer,
-		size_t length);
+		uint64_t length);
 int64_t opal_set_param(uint64_t token, uint32_t param_id, uint64_t buffer,
-		size_t length);
+		uint64_t length);
 int64_t opal_sensor_read(uint32_t sensor_hndl, int token, __be32 *sensor_data);
 
 /* Internal functions */
-extern int early_init_dt_scan_opal(unsigned long node, const char *uname, int depth, void *data);
+extern int early_init_dt_scan_opal(unsigned long node, const char *uname,
+				   int depth, void *data);
 extern int early_init_dt_scan_recoverable_ranges(unsigned long node,
 				 const char *uname, int depth, void *data);
 
@@ -893,10 +894,6 @@ extern int opal_put_chars(uint32_t vtermno, const char *buf, int total_len);
 
 extern void hvc_opal_init_early(void);
 
-/* Internal functions */
-extern int early_init_dt_scan_opal(unsigned long node, const char *uname,
-				   int depth, void *data);
-
 extern int opal_notifier_register(struct notifier_block *nb);
 extern int opal_notifier_unregister(struct notifier_block *nb);
 
@@ -906,9 +903,6 @@ extern void opal_notifier_enable(void);
 extern void opal_notifier_disable(void);
 extern void opal_notifier_update_evt(uint64_t evt_mask, uint64_t evt_val);
 
-extern int opal_get_chars(uint32_t vtermno, char *buf, int count);
-extern int opal_put_chars(uint32_t vtermno, const char *buf, int total_len);
-
 extern int __opal_async_get_token(void);
 extern int opal_async_get_token_interruptible(void);
 extern int __opal_async_release_token(int token);
@@ -916,8 +910,6 @@ extern int opal_async_release_token(int token);
 extern int opal_async_wait_response(uint64_t token, struct opal_msg *msg);
 extern int opal_get_sensor_data(u32 sensor_hndl, u32 *sensor_data);
 
-extern void hvc_opal_init_early(void);
-
 struct rtc_time;
 extern int opal_set_rtc_time(struct rtc_time *tm);
 extern void opal_get_rtc_time(struct rtc_time *tm);
@@ -937,6 +929,10 @@ extern int opal_resync_timebase(void);
 
 extern void opal_lpc_init(void);
 
+struct opal_sg_list *opal_vmalloc_to_sg_list(void *vmalloc_addr,
+					     unsigned long vmalloc_size);
+void opal_free_sg_list(struct opal_sg_list *sg);
+
 #endif /* __ASSEMBLY__ */
 
 #endif /* __OPAL_H */
diff --git a/arch/powerpc/include/uapi/asm/setup.h b/arch/powerpc/include/uapi/asm/setup.h
index 552df83f1a49..ae3fb68cb28e 100644
--- a/arch/powerpc/include/uapi/asm/setup.h
+++ b/arch/powerpc/include/uapi/asm/setup.h
@@ -1 +1,6 @@
-#include <asm-generic/setup.h>
+#ifndef _UAPI_ASM_POWERPC_SETUP_H
+#define _UAPI_ASM_POWERPC_SETUP_H
+
+#define COMMAND_LINE_SIZE	2048
+
+#endif /* _UAPI_ASM_POWERPC_SETUP_H */
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index 2a4779091a58..155013da27e0 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -208,7 +208,7 @@ long sys_pciconfig_iobase(long which, unsigned long in_bus,
 			  unsigned long in_devfn)
 {
 	struct pci_controller* hose;
-	struct pci_bus *bus = NULL;
+	struct pci_bus *tmp_bus, *bus = NULL;
 	struct device_node *hose_node;
 
 	/* Argh ! Please forgive me for that hack, but that's the
@@ -229,10 +229,12 @@ long sys_pciconfig_iobase(long which, unsigned long in_bus,
 	 * used on pre-domains setup. We return the first match
 	 */
 
-	list_for_each_entry(bus, &pci_root_buses, node) {
-		if (in_bus >= bus->number && in_bus <= bus->busn_res.end)
+	list_for_each_entry(tmp_bus, &pci_root_buses, node) {
+		if (in_bus >= tmp_bus->number &&
+		    in_bus <= tmp_bus->busn_res.end) {
+			bus = tmp_bus;
 			break;
-		bus = NULL;
+		}
 	}
 	if (bus == NULL || bus->dev.of_node == NULL)
 		return -ENODEV;
diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c
index 3bd77edd7610..450850a49dce 100644
--- a/arch/powerpc/kernel/ppc_ksyms.c
+++ b/arch/powerpc/kernel/ppc_ksyms.c
@@ -120,6 +120,7 @@ EXPORT_SYMBOL(giveup_spe);
 EXPORT_SYMBOL(flush_instruction_cache);
 #endif
 EXPORT_SYMBOL(flush_dcache_range);
+EXPORT_SYMBOL(flush_icache_range);
 
 #ifdef CONFIG_SMP
 #ifdef CONFIG_PPC32
diff --git a/arch/powerpc/kernel/rtas_flash.c b/arch/powerpc/kernel/rtas_flash.c
index 2f3cdb01506d..658e89d2025b 100644
--- a/arch/powerpc/kernel/rtas_flash.c
+++ b/arch/powerpc/kernel/rtas_flash.c
@@ -705,7 +705,7 @@ static int __init rtas_flash_init(void)
 	if (rtas_token("ibm,update-flash-64-and-reboot") ==
 		       RTAS_UNKNOWN_SERVICE) {
 		pr_info("rtas_flash: no firmware flash support\n");
-		return 1;
+		return -EINVAL;
 	}
 
 	rtas_validate_flash_data.buf = kzalloc(VALIDATE_BUF_SIZE, GFP_KERNEL);
diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
index ffbb871c2bd8..b031f932c0cc 100644
--- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S
+++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
@@ -242,6 +242,12 @@ kvm_novcpu_exit:
  */
 	.globl	kvm_start_guest
 kvm_start_guest:
+
+	/* Set runlatch bit the minute you wake up from nap */
+	mfspr	r1, SPRN_CTRLF
+	ori 	r1, r1, 1
+	mtspr	SPRN_CTRLT, r1
+
 	ld	r2,PACATOC(r13)
 
 	li	r0,KVM_HWTHREAD_IN_KVM
@@ -309,6 +315,11 @@ kvm_no_guest:
 	li	r0, KVM_HWTHREAD_IN_NAP
 	stb	r0, HSTATE_HWTHREAD_STATE(r13)
 kvm_do_nap:
+	/* Clear the runlatch bit before napping */
+	mfspr	r2, SPRN_CTRLF
+	clrrdi	r2, r2, 1
+	mtspr	SPRN_CTRLT, r2
+
 	li	r3, LPCR_PECE0
 	mfspr	r4, SPRN_LPCR
 	rlwimi	r4, r3, 0, LPCR_PECE0 | LPCR_PECE1
@@ -1999,8 +2010,13 @@ END_FTR_SECTION_IFCLR(CPU_FTR_ARCH_206)
 
 	/*
 	 * Take a nap until a decrementer or external or doobell interrupt
-	 * occurs, with PECE1, PECE0 and PECEDP set in LPCR
+	 * occurs, with PECE1, PECE0 and PECEDP set in LPCR. Also clear the
+	 * runlatch bit before napping.
 	 */
+	mfspr	r2, SPRN_CTRLF
+	clrrdi	r2, r2, 1
+	mtspr	SPRN_CTRLT, r2
+
 	li	r0,1
 	stb	r0,HSTATE_HWTHREAD_REQ(r13)
 	mfspr	r5,SPRN_LPCR
diff --git a/arch/powerpc/mm/hash_native_64.c b/arch/powerpc/mm/hash_native_64.c
index 3ea26c25590b..cf1d325eae8b 100644
--- a/arch/powerpc/mm/hash_native_64.c
+++ b/arch/powerpc/mm/hash_native_64.c
@@ -82,17 +82,14 @@ static inline void __tlbie(unsigned long vpn, int psize, int apsize, int ssize)
 		va &= ~((1ul << mmu_psize_defs[apsize].shift) - 1);
 		va |= penc << 12;
 		va |= ssize << 8;
-		/* Add AVAL part */
-		if (psize != apsize) {
-			/*
-			 * MPSS, 64K base page size and 16MB parge page size
-			 * We don't need all the bits, but rest of the bits
-			 * must be ignored by the processor.
-			 * vpn cover upto 65 bits of va. (0...65) and we need
-			 * 58..64 bits of va.
-			 */
-			va |= (vpn & 0xfe);
-		}
+		/*
+		 * AVAL bits:
+		 * We don't need all the bits, but rest of the bits
+		 * must be ignored by the processor.
+		 * vpn cover upto 65 bits of va. (0...65) and we need
+		 * 58..64 bits of va.
+		 */
+		va |= (vpn & 0xfe); /* AVAL */
 		va |= 1; /* L */
 		asm volatile(ASM_FTR_IFCLR("tlbie %0,1", PPC_TLBIE(%1,%0), %2)
 			     : : "r" (va), "r"(0), "i" (CPU_FTR_ARCH_206)
@@ -133,17 +130,14 @@ static inline void __tlbiel(unsigned long vpn, int psize, int apsize, int ssize)
 		va &= ~((1ul << mmu_psize_defs[apsize].shift) - 1);
 		va |= penc << 12;
 		va |= ssize << 8;
-		/* Add AVAL part */
-		if (psize != apsize) {
-			/*
-			 * MPSS, 64K base page size and 16MB parge page size
-			 * We don't need all the bits, but rest of the bits
-			 * must be ignored by the processor.
-			 * vpn cover upto 65 bits of va. (0...65) and we need
-			 * 58..64 bits of va.
-			 */
-			va |= (vpn & 0xfe);
-		}
+		/*
+		 * AVAL bits:
+		 * We don't need all the bits, but rest of the bits
+		 * must be ignored by the processor.
+		 * vpn cover upto 65 bits of va. (0...65) and we need
+		 * 58..64 bits of va.
+		 */
+		va |= (vpn & 0xfe);
 		va |= 1; /* L */
 		asm volatile(".long 0x7c000224 | (%0 << 11) | (1 << 21)"
 			     : : "r"(va) : "memory");
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 4ebbb9e99286..3b181b22cd46 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -232,6 +232,7 @@ int __node_distance(int a, int b)
 
 	return distance;
 }
+EXPORT_SYMBOL(__node_distance);
 
 static void initialize_distance_lookup_table(int nid,
 		const __be32 *associativity)
diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c
index 297c91051413..e0766b82e165 100644
--- a/arch/powerpc/perf/hv-24x7.c
+++ b/arch/powerpc/perf/hv-24x7.c
@@ -155,16 +155,28 @@ static ssize_t read_offset_data(void *dest, size_t dest_len,
 	return copy_len;
 }
 
-static unsigned long h_get_24x7_catalog_page(char page[static 4096],
-					     u32 version, u32 index)
+static unsigned long h_get_24x7_catalog_page_(unsigned long phys_4096,
+					      unsigned long version,
+					      unsigned long index)
 {
-	WARN_ON(!IS_ALIGNED((unsigned long)page, 4096));
+	pr_devel("h_get_24x7_catalog_page(0x%lx, %lu, %lu)",
+			phys_4096,
+			version,
+			index);
+	WARN_ON(!IS_ALIGNED(phys_4096, 4096));
 	return plpar_hcall_norets(H_GET_24X7_CATALOG_PAGE,
-			virt_to_phys(page),
+			phys_4096,
 			version,
 			index);
 }
 
+static unsigned long h_get_24x7_catalog_page(char page[],
+					     u64 version, u32 index)
+{
+	return h_get_24x7_catalog_page_(virt_to_phys(page),
+					version, index);
+}
+
 static ssize_t catalog_read(struct file *filp, struct kobject *kobj,
 			    struct bin_attribute *bin_attr, char *buf,
 			    loff_t offset, size_t count)
@@ -173,7 +185,7 @@ static ssize_t catalog_read(struct file *filp, struct kobject *kobj,
 	ssize_t ret = 0;
 	size_t catalog_len = 0, catalog_page_len = 0, page_count = 0;
 	loff_t page_offset = 0;
-	uint32_t catalog_version_num = 0;
+	uint64_t catalog_version_num = 0;
 	void *page = kmem_cache_alloc(hv_page_cache, GFP_USER);
 	struct hv_24x7_catalog_page_0 *page_0 = page;
 	if (!page)
@@ -185,7 +197,7 @@ static ssize_t catalog_read(struct file *filp, struct kobject *kobj,
 		goto e_free;
 	}
 
-	catalog_version_num = be32_to_cpu(page_0->version);
+	catalog_version_num = be64_to_cpu(page_0->version);
 	catalog_page_len = be32_to_cpu(page_0->length);
 	catalog_len = catalog_page_len * 4096;
 
@@ -208,8 +220,9 @@ static ssize_t catalog_read(struct file *filp, struct kobject *kobj,
 				page, 4096, page_offset * 4096);
 e_free:
 	if (hret)
-		pr_err("h_get_24x7_catalog_page(ver=%d, page=%lld) failed: rc=%ld\n",
-				catalog_version_num, page_offset, hret);
+		pr_err("h_get_24x7_catalog_page(ver=%lld, page=%lld) failed:"
+		       " rc=%ld\n",
+		       catalog_version_num, page_offset, hret);
 	kfree(page);
 
 	pr_devel("catalog_read: offset=%lld(%lld) count=%zu(%zu) catalog_len=%zu(%zu) => %zd\n",
@@ -243,7 +256,7 @@ e_free:								\
 static DEVICE_ATTR_RO(_name)
 
 PAGE_0_ATTR(catalog_version, "%lld\n",
-		(unsigned long long)be32_to_cpu(page_0->version));
+		(unsigned long long)be64_to_cpu(page_0->version));
 PAGE_0_ATTR(catalog_len, "%lld\n",
 		(unsigned long long)be32_to_cpu(page_0->length) * 4096);
 static BIN_ATTR_RO(catalog, 0/* real length varies */);
@@ -485,13 +498,13 @@ static int hv_24x7_init(void)
 	struct hv_perf_caps caps;
 
 	if (!firmware_has_feature(FW_FEATURE_LPAR)) {
-		pr_info("not a virtualized system, not enabling\n");
+		pr_debug("not a virtualized system, not enabling\n");
 		return -ENODEV;
 	}
 
 	hret = hv_perf_caps_get(&caps);
 	if (hret) {
-		pr_info("could not obtain capabilities, error 0x%80lx, not enabling\n",
+		pr_debug("could not obtain capabilities, not enabling, rc=%ld\n",
 				hret);
 		return -ENODEV;
 	}
diff --git a/arch/powerpc/perf/hv-gpci.c b/arch/powerpc/perf/hv-gpci.c
index 278ba7b9c2b5..c9d399a2df82 100644
--- a/arch/powerpc/perf/hv-gpci.c
+++ b/arch/powerpc/perf/hv-gpci.c
@@ -78,7 +78,7 @@ static ssize_t kernel_version_show(struct device *dev,
 	return sprintf(page, "0x%x\n", COUNTER_INFO_VERSION_CURRENT);
 }
 
-DEVICE_ATTR_RO(kernel_version);
+static DEVICE_ATTR_RO(kernel_version);
 HV_CAPS_ATTR(version, "0x%x\n");
 HV_CAPS_ATTR(ga, "%d\n");
 HV_CAPS_ATTR(expanded, "%d\n");
@@ -273,13 +273,13 @@ static int hv_gpci_init(void)
 	struct hv_perf_caps caps;
 
 	if (!firmware_has_feature(FW_FEATURE_LPAR)) {
-		pr_info("not a virtualized system, not enabling\n");
+		pr_debug("not a virtualized system, not enabling\n");
 		return -ENODEV;
 	}
 
 	hret = hv_perf_caps_get(&caps);
 	if (hret) {
-		pr_info("could not obtain capabilities, error 0x%80lx, not enabling\n",
+		pr_debug("could not obtain capabilities, not enabling, rc=%ld\n",
 				hret);
 		return -ENODEV;
 	}
diff --git a/arch/powerpc/platforms/powernv/opal-dump.c b/arch/powerpc/platforms/powernv/opal-dump.c
index b9827b0d87e4..788a1977b9a5 100644
--- a/arch/powerpc/platforms/powernv/opal-dump.c
+++ b/arch/powerpc/platforms/powernv/opal-dump.c
@@ -209,89 +209,20 @@ static struct kobj_type dump_ktype = {
 	.default_attrs = dump_default_attrs,
 };
 
-static void free_dump_sg_list(struct opal_sg_list *list)
-{
-	struct opal_sg_list *sg1;
-	while (list) {
-		sg1 = list->next;
-		kfree(list);
-		list = sg1;
-	}
-	list = NULL;
-}
-
-static struct opal_sg_list *dump_data_to_sglist(struct dump_obj *dump)
-{
-	struct opal_sg_list *sg1, *list = NULL;
-	void *addr;
-	int64_t size;
-
-	addr = dump->buffer;
-	size = dump->size;
-
-	sg1 = kzalloc(PAGE_SIZE, GFP_KERNEL);
-	if (!sg1)
-		goto nomem;
-
-	list = sg1;
-	sg1->num_entries = 0;
-	while (size > 0) {
-		/* Translate virtual address to physical address */
-		sg1->entry[sg1->num_entries].data =
-			(void *)(vmalloc_to_pfn(addr) << PAGE_SHIFT);
-
-		if (size > PAGE_SIZE)
-			sg1->entry[sg1->num_entries].length = PAGE_SIZE;
-		else
-			sg1->entry[sg1->num_entries].length = size;
-
-		sg1->num_entries++;
-		if (sg1->num_entries >= SG_ENTRIES_PER_NODE) {
-			sg1->next = kzalloc(PAGE_SIZE, GFP_KERNEL);
-			if (!sg1->next)
-				goto nomem;
-
-			sg1 = sg1->next;
-			sg1->num_entries = 0;
-		}
-		addr += PAGE_SIZE;
-		size -= PAGE_SIZE;
-	}
-	return list;
-
-nomem:
-	pr_err("%s : Failed to allocate memory\n", __func__);
-	free_dump_sg_list(list);
-	return NULL;
-}
-
-static void sglist_to_phy_addr(struct opal_sg_list *list)
-{
-	struct opal_sg_list *sg, *next;
-
-	for (sg = list; sg; sg = next) {
-		next = sg->next;
-		/* Don't translate NULL pointer for last entry */
-		if (sg->next)
-			sg->next = (struct opal_sg_list *)__pa(sg->next);
-		else
-			sg->next = NULL;
-
-		/* Convert num_entries to length */
-		sg->num_entries =
-			sg->num_entries * sizeof(struct opal_sg_entry) + 16;
-	}
-}
-
-static int64_t dump_read_info(uint32_t *id, uint32_t *size, uint32_t *type)
+static int64_t dump_read_info(uint32_t *dump_id, uint32_t *dump_size, uint32_t *dump_type)
 {
+	__be32 id, size, type;
 	int rc;
-	*type = 0xffffffff;
 
-	rc = opal_dump_info2(id, size, type);
+	type = cpu_to_be32(0xffffffff);
 
+	rc = opal_dump_info2(&id, &size, &type);
 	if (rc == OPAL_PARAMETER)
-		rc = opal_dump_info(id, size);
+		rc = opal_dump_info(&id, &size);
+
+	*dump_id = be32_to_cpu(id);
+	*dump_size = be32_to_cpu(size);
+	*dump_type = be32_to_cpu(type);
 
 	if (rc)
 		pr_warn("%s: Failed to get dump info (%d)\n",
@@ -314,15 +245,12 @@ static int64_t dump_read_data(struct dump_obj *dump)
 	}
 
 	/* Generate SG list */
-	list = dump_data_to_sglist(dump);
+	list = opal_vmalloc_to_sg_list(dump->buffer, dump->size);
 	if (!list) {
 		rc = -ENOMEM;
 		goto out;
 	}
 
-	/* Translate sg list addr to real address */
-	sglist_to_phy_addr(list);
-
 	/* First entry address */
 	addr = __pa(list);
 
@@ -341,7 +269,7 @@ static int64_t dump_read_data(struct dump_obj *dump)
 			__func__, dump->id);
 
 	/* Free SG list */
-	free_dump_sg_list(list);
+	opal_free_sg_list(list);
 
 out:
 	return rc;
diff --git a/arch/powerpc/platforms/powernv/opal-elog.c b/arch/powerpc/platforms/powernv/opal-elog.c
index ef7bc2a97862..10268c41d830 100644
--- a/arch/powerpc/platforms/powernv/opal-elog.c
+++ b/arch/powerpc/platforms/powernv/opal-elog.c
@@ -238,18 +238,25 @@ static struct elog_obj *create_elog_obj(uint64_t id, size_t size, uint64_t type)
 
 static void elog_work_fn(struct work_struct *work)
 {
-	size_t elog_size;
+	__be64 size;
+	__be64 id;
+	__be64 type;
+	uint64_t elog_size;
 	uint64_t log_id;
 	uint64_t elog_type;
 	int rc;
 	char name[2+16+1];
 
-	rc = opal_get_elog_size(&log_id, &elog_size, &elog_type);
+	rc = opal_get_elog_size(&id, &size, &type);
 	if (rc != OPAL_SUCCESS) {
 		pr_err("ELOG: Opal log read failed\n");
 		return;
 	}
 
+	elog_size = be64_to_cpu(size);
+	log_id = be64_to_cpu(id);
+	elog_type = be64_to_cpu(type);
+
 	BUG_ON(elog_size > OPAL_MAX_ERRLOG_SIZE);
 
 	if (elog_size >= OPAL_MAX_ERRLOG_SIZE)
diff --git a/arch/powerpc/platforms/powernv/opal-flash.c b/arch/powerpc/platforms/powernv/opal-flash.c
index 714ef972406b..dc487ff04704 100644
--- a/arch/powerpc/platforms/powernv/opal-flash.c
+++ b/arch/powerpc/platforms/powernv/opal-flash.c
@@ -79,9 +79,6 @@
 /* XXX: Assume candidate image size is <= 1GB */
 #define MAX_IMAGE_SIZE	0x40000000
 
-/* Flash sg list version */
-#define SG_LIST_VERSION (1UL)
-
 /* Image status */
 enum {
 	IMAGE_INVALID,
@@ -131,11 +128,15 @@ static DEFINE_MUTEX(image_data_mutex);
  */
 static inline void opal_flash_validate(void)
 {
-	struct validate_flash_t *args_buf = &validate_flash_data;
+	long ret;
+	void *buf = validate_flash_data.buf;
+	__be32 size, result;
 
-	args_buf->status = opal_validate_flash(__pa(args_buf->buf),
-					       &(args_buf->buf_size),
-					       &(args_buf->result));
+	ret = opal_validate_flash(__pa(buf), &size, &result);
+
+	validate_flash_data.status = ret;
+	validate_flash_data.buf_size = be32_to_cpu(size);
+	validate_flash_data.result = be32_to_cpu(result);
 }
 
 /*
@@ -268,93 +269,11 @@ static ssize_t manage_store(struct kobject *kobj,
 }
 
 /*
- * Free sg list
- */
-static void free_sg_list(struct opal_sg_list *list)
-{
-	struct opal_sg_list *sg1;
-	while (list) {
-		sg1 = list->next;
-		kfree(list);
-		list = sg1;
-	}
-	list = NULL;
-}
-
-/*
- * Build candidate image scatter gather list
- *
- * list format:
- *   -----------------------------------
- *  |  VER (8) | Entry length in bytes  |
- *   -----------------------------------
- *  |  Pointer to next entry            |
- *   -----------------------------------
- *  |  Address of memory area 1         |
- *   -----------------------------------
- *  |  Length of memory area 1          |
- *   -----------------------------------
- *  |   .........                       |
- *   -----------------------------------
- *  |   .........                       |
- *   -----------------------------------
- *  |  Address of memory area N         |
- *   -----------------------------------
- *  |  Length of memory area N          |
- *   -----------------------------------
- */
-static struct opal_sg_list *image_data_to_sglist(void)
-{
-	struct opal_sg_list *sg1, *list = NULL;
-	void *addr;
-	int size;
-
-	addr = image_data.data;
-	size = image_data.size;
-
-	sg1 = kzalloc(PAGE_SIZE, GFP_KERNEL);
-	if (!sg1)
-		return NULL;
-
-	list = sg1;
-	sg1->num_entries = 0;
-	while (size > 0) {
-		/* Translate virtual address to physical address */
-		sg1->entry[sg1->num_entries].data =
-			(void *)(vmalloc_to_pfn(addr) << PAGE_SHIFT);
-
-		if (size > PAGE_SIZE)
-			sg1->entry[sg1->num_entries].length = PAGE_SIZE;
-		else
-			sg1->entry[sg1->num_entries].length = size;
-
-		sg1->num_entries++;
-		if (sg1->num_entries >= SG_ENTRIES_PER_NODE) {
-			sg1->next = kzalloc(PAGE_SIZE, GFP_KERNEL);
-			if (!sg1->next) {
-				pr_err("%s : Failed to allocate memory\n",
-				       __func__);
-				goto nomem;
-			}
-
-			sg1 = sg1->next;
-			sg1->num_entries = 0;
-		}
-		addr += PAGE_SIZE;
-		size -= PAGE_SIZE;
-	}
-	return list;
-nomem:
-	free_sg_list(list);
-	return NULL;
-}
-
-/*
  * OPAL update flash
  */
 static int opal_flash_update(int op)
 {
-	struct opal_sg_list *sg, *list, *next;
+	struct opal_sg_list *list;
 	unsigned long addr;
 	int64_t rc = OPAL_PARAMETER;
 
@@ -364,30 +283,13 @@ static int opal_flash_update(int op)
 		goto flash;
 	}
 
-	list = image_data_to_sglist();
+	list = opal_vmalloc_to_sg_list(image_data.data, image_data.size);
 	if (!list)
 		goto invalid_img;
 
 	/* First entry address */
 	addr = __pa(list);
 
-	/* Translate sg list address to absolute */
-	for (sg = list; sg; sg = next) {
-		next = sg->next;
-		/* Don't translate NULL pointer for last entry */
-		if (sg->next)
-			sg->next = (struct opal_sg_list *)__pa(sg->next);
-		else
-			sg->next = NULL;
-
-		/*
-		 * Convert num_entries to version/length format
-		 * to satisfy OPAL.
-		 */
-		sg->num_entries = (SG_LIST_VERSION << 56) |
-			(sg->num_entries * sizeof(struct opal_sg_entry) + 16);
-	}
-
 	pr_alert("FLASH: Image is %u bytes\n", image_data.size);
 	pr_alert("FLASH: Image update requested\n");
 	pr_alert("FLASH: Image will be updated during system reboot\n");
diff --git a/arch/powerpc/platforms/powernv/opal-sysparam.c b/arch/powerpc/platforms/powernv/opal-sysparam.c
index 6b614726baf2..d202f9bc3683 100644
--- a/arch/powerpc/platforms/powernv/opal-sysparam.c
+++ b/arch/powerpc/platforms/powernv/opal-sysparam.c
@@ -39,10 +39,11 @@ struct param_attr {
 	struct kobj_attribute kobj_attr;
 };
 
-static int opal_get_sys_param(u32 param_id, u32 length, void *buffer)
+static ssize_t opal_get_sys_param(u32 param_id, u32 length, void *buffer)
 {
 	struct opal_msg msg;
-	int ret, token;
+	ssize_t ret;
+	int token;
 
 	token = opal_async_get_token_interruptible();
 	if (token < 0) {
@@ -59,7 +60,7 @@ static int opal_get_sys_param(u32 param_id, u32 length, void *buffer)
 
 	ret = opal_async_wait_response(token, &msg);
 	if (ret) {
-		pr_err("%s: Failed to wait for the async response, %d\n",
+		pr_err("%s: Failed to wait for the async response, %zd\n",
 				__func__, ret);
 		goto out_token;
 	}
@@ -111,7 +112,7 @@ static ssize_t sys_param_show(struct kobject *kobj,
 {
 	struct param_attr *attr = container_of(kobj_attr, struct param_attr,
 			kobj_attr);
-	int ret;
+	ssize_t ret;
 
 	mutex_lock(&opal_sysparam_mutex);
 	ret = opal_get_sys_param(attr->param_id, attr->param_size,
@@ -121,9 +122,10 @@ static ssize_t sys_param_show(struct kobject *kobj,
 
 	memcpy(buf, param_data_buf, attr->param_size);
 
+	ret = attr->param_size;
 out:
 	mutex_unlock(&opal_sysparam_mutex);
-	return ret ? ret : attr->param_size;
+	return ret;
 }
 
 static ssize_t sys_param_store(struct kobject *kobj,
@@ -131,14 +133,20 @@ static ssize_t sys_param_store(struct kobject *kobj,
 {
 	struct param_attr *attr = container_of(kobj_attr, struct param_attr,
 			kobj_attr);
-	int ret;
+	ssize_t ret;
+
+        /* MAX_PARAM_DATA_LEN is sizeof(param_data_buf) */
+        if (count > MAX_PARAM_DATA_LEN)
+                count = MAX_PARAM_DATA_LEN;
 
 	mutex_lock(&opal_sysparam_mutex);
 	memcpy(param_data_buf, buf, count);
 	ret = opal_set_sys_param(attr->param_id, attr->param_size,
 			param_data_buf);
 	mutex_unlock(&opal_sysparam_mutex);
-	return ret ? ret : count;
+	if (!ret)
+		ret = count;
+	return ret;
 }
 
 void __init opal_sys_param_init(void)
@@ -214,13 +222,13 @@ void __init opal_sys_param_init(void)
 	}
 
 	if (of_property_read_u32_array(sysparam, "param-len", size, count)) {
-		pr_err("SYSPARAM: Missing propery param-len in the DT\n");
+		pr_err("SYSPARAM: Missing property param-len in the DT\n");
 		goto out_free_perm;
 	}
 
 
 	if (of_property_read_u8_array(sysparam, "param-perm", perm, count)) {
-		pr_err("SYSPARAM: Missing propery param-perm in the DT\n");
+		pr_err("SYSPARAM: Missing property param-perm in the DT\n");
 		goto out_free_perm;
 	}
 
@@ -233,6 +241,12 @@ void __init opal_sys_param_init(void)
 
 	/* For each of the parameters, populate the parameter attributes */
 	for (i = 0; i < count; i++) {
+		if (size[i] > MAX_PARAM_DATA_LEN) {
+			pr_warn("SYSPARAM: Not creating parameter %d as size "
+				"exceeds buffer length\n", i);
+			continue;
+		}
+
 		sysfs_attr_init(&attr[i].kobj_attr.attr);
 		attr[i].param_id = id[i];
 		attr[i].param_size = size[i];
diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c
index 49d2f00019e5..360ad80c754c 100644
--- a/arch/powerpc/platforms/powernv/opal.c
+++ b/arch/powerpc/platforms/powernv/opal.c
@@ -242,14 +242,14 @@ void opal_notifier_update_evt(uint64_t evt_mask,
 void opal_notifier_enable(void)
 {
 	int64_t rc;
-	uint64_t evt = 0;
+	__be64 evt = 0;
 
 	atomic_set(&opal_notifier_hold, 0);
 
 	/* Process pending events */
 	rc = opal_poll_events(&evt);
 	if (rc == OPAL_SUCCESS && evt)
-		opal_do_notifier(evt);
+		opal_do_notifier(be64_to_cpu(evt));
 }
 
 void opal_notifier_disable(void)
@@ -529,7 +529,7 @@ static irqreturn_t opal_interrupt(int irq, void *data)
 
 	opal_handle_interrupt(virq_to_hw(irq), &events);
 
-	opal_do_notifier(events);
+	opal_do_notifier(be64_to_cpu(events));
 
 	return IRQ_HANDLED;
 }
@@ -638,3 +638,66 @@ void opal_shutdown(void)
 
 /* Export this so that test modules can use it */
 EXPORT_SYMBOL_GPL(opal_invalid_call);
+
+/* Convert a region of vmalloc memory to an opal sg list */
+struct opal_sg_list *opal_vmalloc_to_sg_list(void *vmalloc_addr,
+					     unsigned long vmalloc_size)
+{
+	struct opal_sg_list *sg, *first = NULL;
+	unsigned long i = 0;
+
+	sg = kzalloc(PAGE_SIZE, GFP_KERNEL);
+	if (!sg)
+		goto nomem;
+
+	first = sg;
+
+	while (vmalloc_size > 0) {
+		uint64_t data = vmalloc_to_pfn(vmalloc_addr) << PAGE_SHIFT;
+		uint64_t length = min(vmalloc_size, PAGE_SIZE);
+
+		sg->entry[i].data = cpu_to_be64(data);
+		sg->entry[i].length = cpu_to_be64(length);
+		i++;
+
+		if (i >= SG_ENTRIES_PER_NODE) {
+			struct opal_sg_list *next;
+
+			next = kzalloc(PAGE_SIZE, GFP_KERNEL);
+			if (!next)
+				goto nomem;
+
+			sg->length = cpu_to_be64(
+					i * sizeof(struct opal_sg_entry) + 16);
+			i = 0;
+			sg->next = cpu_to_be64(__pa(next));
+			sg = next;
+		}
+
+		vmalloc_addr += length;
+		vmalloc_size -= length;
+	}
+
+	sg->length = cpu_to_be64(i * sizeof(struct opal_sg_entry) + 16);
+
+	return first;
+
+nomem:
+	pr_err("%s : Failed to allocate memory\n", __func__);
+	opal_free_sg_list(first);
+	return NULL;
+}
+
+void opal_free_sg_list(struct opal_sg_list *sg)
+{
+	while (sg) {
+		uint64_t next = be64_to_cpu(sg->next);
+
+		kfree(sg);
+
+		if (next)
+			sg = __va(next);
+		else
+			sg = NULL;
+	}
+}
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index 3b2b4fb3585b..98824aa99173 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -343,7 +343,6 @@ static void pnv_ioda_setup_same_PE(struct pci_bus *bus, struct pnv_ioda_pe *pe)
 				pci_name(dev));
 			continue;
 		}
-		pci_dev_get(dev);
 		pdn->pcidev = dev;
 		pdn->pe_number = pe->pe_number;
 		pe->dma_weight += pnv_ioda_dma_weight(dev);
@@ -462,7 +461,7 @@ static void pnv_pci_ioda_dma_dev_setup(struct pnv_phb *phb, struct pci_dev *pdev
 
 	pe = &phb->ioda.pe_array[pdn->pe_number];
 	WARN_ON(get_dma_ops(&pdev->dev) != &dma_iommu_ops);
-	set_iommu_table_base_and_group(&pdev->dev, &pe->tce32_table);
+	set_iommu_table_base(&pdev->dev, &pe->tce32_table);
 }
 
 static int pnv_pci_ioda_dma_set_mask(struct pnv_phb *phb,
diff --git a/arch/powerpc/platforms/powernv/setup.c b/arch/powerpc/platforms/powernv/setup.c
index 61cf8fa9c61b..8723d32632f5 100644
--- a/arch/powerpc/platforms/powernv/setup.c
+++ b/arch/powerpc/platforms/powernv/setup.c
@@ -162,18 +162,62 @@ static void pnv_shutdown(void)
 }
 
 #ifdef CONFIG_KEXEC
+static void pnv_kexec_wait_secondaries_down(void)
+{
+	int my_cpu, i, notified = -1;
+
+	my_cpu = get_cpu();
+
+	for_each_online_cpu(i) {
+		uint8_t status;
+		int64_t rc;
+
+		if (i == my_cpu)
+			continue;
+
+		for (;;) {
+			rc = opal_query_cpu_status(get_hard_smp_processor_id(i),
+						   &status);
+			if (rc != OPAL_SUCCESS || status != OPAL_THREAD_STARTED)
+				break;
+			barrier();
+			if (i != notified) {
+				printk(KERN_INFO "kexec: waiting for cpu %d "
+				       "(physical %d) to enter OPAL\n",
+				       i, paca[i].hw_cpu_id);
+				notified = i;
+			}
+		}
+	}
+}
+
 static void pnv_kexec_cpu_down(int crash_shutdown, int secondary)
 {
 	xics_kexec_teardown_cpu(secondary);
 
-	/* Return secondary CPUs to firmware on OPAL v3 */
-	if (firmware_has_feature(FW_FEATURE_OPALv3) && secondary) {
+	/* On OPAL v3, we return all CPUs to firmware */
+
+	if (!firmware_has_feature(FW_FEATURE_OPALv3))
+		return;
+
+	if (secondary) {
+		/* Return secondary CPUs to firmware on OPAL v3 */
 		mb();
 		get_paca()->kexec_state = KEXEC_STATE_REAL_MODE;
 		mb();
 
 		/* Return the CPU to OPAL */
 		opal_return_cpu();
+	} else if (crash_shutdown) {
+		/*
+		 * On crash, we don't wait for secondaries to go
+		 * down as they might be unreachable or hung, so
+		 * instead we just wait a bit and move on.
+		 */
+		mdelay(1);
+	} else {
+		/* Primary waits for the secondaries to have reached OPAL */
+		pnv_kexec_wait_secondaries_down();
 	}
 }
 #endif /* CONFIG_KEXEC */
diff --git a/arch/powerpc/platforms/powernv/smp.c b/arch/powerpc/platforms/powernv/smp.c
index 908672bdcea6..bf5fcd452168 100644
--- a/arch/powerpc/platforms/powernv/smp.c
+++ b/arch/powerpc/platforms/powernv/smp.c
@@ -30,6 +30,7 @@
 #include <asm/cputhreads.h>
 #include <asm/xics.h>
 #include <asm/opal.h>
+#include <asm/runlatch.h>
 
 #include "powernv.h"
 
@@ -156,7 +157,9 @@ static void pnv_smp_cpu_kill_self(void)
 	 */
 	mtspr(SPRN_LPCR, mfspr(SPRN_LPCR) & ~(u64)LPCR_PECE1);
 	while (!generic_check_cpu_restart(cpu)) {
+		ppc64_runlatch_off();
 		power7_nap();
+		ppc64_runlatch_on();
 		if (!generic_check_cpu_restart(cpu)) {
 			DBG("CPU%d Unexpected exit while offline !\n", cpu);
 			/* We may be getting an IPI, so we re-enable
diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c
index 9b8e05078a63..20d62975856f 100644
--- a/arch/powerpc/platforms/pseries/hotplug-cpu.c
+++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c
@@ -88,13 +88,14 @@ void set_default_offline_state(int cpu)
 
 static void rtas_stop_self(void)
 {
-	struct rtas_args args = {
-		.token = cpu_to_be32(rtas_stop_self_token),
+	static struct rtas_args args = {
 		.nargs = 0,
 		.nret = 1,
 		.rets = &args.args[0],
 	};
 
+	args.token = cpu_to_be32(rtas_stop_self_token);
+
 	local_irq_disable();
 
 	BUG_ON(rtas_stop_self_token == RTAS_UNKNOWN_SERVICE);
diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c
index 573b488fc48b..7f75c94af822 100644
--- a/arch/powerpc/platforms/pseries/hotplug-memory.c
+++ b/arch/powerpc/platforms/pseries/hotplug-memory.c
@@ -100,10 +100,10 @@ static int pseries_remove_memblock(unsigned long base, unsigned int memblock_siz
 
 	start_pfn = base >> PAGE_SHIFT;
 
-	if (!pfn_valid(start_pfn)) {
-		memblock_remove(base, memblock_size);
-		return 0;
-	}
+	lock_device_hotplug();
+
+	if (!pfn_valid(start_pfn))
+		goto out;
 
 	block_sz = memory_block_size_bytes();
 	sections_per_block = block_sz / MIN_MEMORY_BLOCK_SIZE;
@@ -114,8 +114,10 @@ static int pseries_remove_memblock(unsigned long base, unsigned int memblock_siz
 		base += MIN_MEMORY_BLOCK_SIZE;
 	}
 
+out:
 	/* Update memory regions for memory remove */
 	memblock_remove(base, memblock_size);
+	unlock_device_hotplug();
 	return 0;
 }
 
diff --git a/arch/powerpc/sysdev/ppc4xx_pci.c b/arch/powerpc/sysdev/ppc4xx_pci.c
index 64603a10b863..4914fd3f41ec 100644
--- a/arch/powerpc/sysdev/ppc4xx_pci.c
+++ b/arch/powerpc/sysdev/ppc4xx_pci.c
@@ -1058,7 +1058,7 @@ static int __init apm821xx_pciex_core_init(struct device_node *np)
 	return 1;
 }
 
-static int apm821xx_pciex_init_port_hw(struct ppc4xx_pciex_port *port)
+static int __init apm821xx_pciex_init_port_hw(struct ppc4xx_pciex_port *port)
 {
 	u32 val;
 
diff --git a/arch/s390/include/asm/ccwgroup.h b/arch/s390/include/asm/ccwgroup.h
index 6e670f88d125..ebc2913f9ee0 100644
--- a/arch/s390/include/asm/ccwgroup.h
+++ b/arch/s390/include/asm/ccwgroup.h
@@ -22,8 +22,8 @@ struct ccwgroup_device {
 /* public: */
 	unsigned int count;
 	struct device	dev;
-	struct ccw_device *cdev[0];
 	struct work_struct ungroup_work;
+	struct ccw_device *cdev[0];
 };
 
 /**
diff --git a/arch/s390/include/asm/sigp.h b/arch/s390/include/asm/sigp.h
index d091aa1aaf11..bf9c823d4020 100644
--- a/arch/s390/include/asm/sigp.h
+++ b/arch/s390/include/asm/sigp.h
@@ -31,4 +31,23 @@
 #define SIGP_STATUS_INCORRECT_STATE	0x00000200UL
 #define SIGP_STATUS_NOT_RUNNING		0x00000400UL
 
+#ifndef __ASSEMBLY__
+
+static inline int __pcpu_sigp(u16 addr, u8 order, u32 parm, u32 *status)
+{
+	register unsigned int reg1 asm ("1") = parm;
+	int cc;
+
+	asm volatile(
+		"	sigp	%1,%2,0(%3)\n"
+		"	ipm	%0\n"
+		"	srl	%0,28\n"
+		: "=d" (cc), "+d" (reg1) : "d" (addr), "a" (order) : "cc");
+	if (status && cc == 1)
+		*status = reg1;
+	return cc;
+}
+
+#endif /* __ASSEMBLY__ */
+
 #endif /* __S390_ASM_SIGP_H */
diff --git a/arch/s390/include/asm/smp.h b/arch/s390/include/asm/smp.h
index 160779394096..21703f85b48d 100644
--- a/arch/s390/include/asm/smp.h
+++ b/arch/s390/include/asm/smp.h
@@ -7,6 +7,8 @@
 #ifndef __ASM_SMP_H
 #define __ASM_SMP_H
 
+#include <asm/sigp.h>
+
 #ifdef CONFIG_SMP
 
 #include <asm/lowcore.h>
@@ -50,9 +52,18 @@ static inline int smp_store_status(int cpu) { return 0; }
 static inline int smp_vcpu_scheduled(int cpu) { return 1; }
 static inline void smp_yield_cpu(int cpu) { }
 static inline void smp_yield(void) { }
-static inline void smp_stop_cpu(void) { }
 static inline void smp_fill_possible_mask(void) { }
 
+static inline void smp_stop_cpu(void)
+{
+	u16 pcpu = stap();
+
+	for (;;) {
+		__pcpu_sigp(pcpu, SIGP_STOP, 0, NULL);
+		cpu_relax();
+	}
+}
+
 #endif /* CONFIG_SMP */
 
 #ifdef CONFIG_HOTPLUG_CPU
diff --git a/arch/s390/include/asm/tlb.h b/arch/s390/include/asm/tlb.h
index c544b6f05d95..a25f09fbaf36 100644
--- a/arch/s390/include/asm/tlb.h
+++ b/arch/s390/include/asm/tlb.h
@@ -59,12 +59,23 @@ static inline void tlb_gather_mmu(struct mmu_gather *tlb,
 	tlb->batch = NULL;
 }
 
-static inline void tlb_flush_mmu(struct mmu_gather *tlb)
+static inline void tlb_flush_mmu_tlbonly(struct mmu_gather *tlb)
 {
 	__tlb_flush_mm_lazy(tlb->mm);
+}
+
+static inline void tlb_flush_mmu_free(struct mmu_gather *tlb)
+{
 	tlb_table_flush(tlb);
 }
 
+
+static inline void tlb_flush_mmu(struct mmu_gather *tlb)
+{
+	tlb_flush_mmu_tlbonly(tlb);
+	tlb_flush_mmu_free(tlb);
+}
+
 static inline void tlb_finish_mmu(struct mmu_gather *tlb,
 				  unsigned long start, unsigned long end)
 {
diff --git a/arch/s390/include/uapi/asm/unistd.h b/arch/s390/include/uapi/asm/unistd.h
index 5eb5c9ddb120..3802d2d3a18d 100644
--- a/arch/s390/include/uapi/asm/unistd.h
+++ b/arch/s390/include/uapi/asm/unistd.h
@@ -282,7 +282,8 @@
 #define __NR_finit_module	344
 #define __NR_sched_setattr	345
 #define __NR_sched_getattr	346
-#define NR_syscalls 345
+#define __NR_renameat2		347
+#define NR_syscalls 348
 
 /* 
  * There are some system calls that are not present on 64 bit, some
diff --git a/arch/s390/kernel/compat_wrapper.c b/arch/s390/kernel/compat_wrapper.c
index 824c39dfddfc..45cdb37aa6f8 100644
--- a/arch/s390/kernel/compat_wrapper.c
+++ b/arch/s390/kernel/compat_wrapper.c
@@ -1,5 +1,5 @@
 /*
- *  Compat sytem call wrappers.
+ *  Compat system call wrappers.
  *
  *    Copyright IBM Corp. 2014
  */
@@ -213,3 +213,4 @@ COMPAT_SYSCALL_WRAP5(kcmp, pid_t, pid1, pid_t, pid2, int, type, unsigned long, i
 COMPAT_SYSCALL_WRAP3(finit_module, int, fd, const char __user *, uargs, int, flags);
 COMPAT_SYSCALL_WRAP3(sched_setattr, pid_t, pid, struct sched_attr __user *, attr, unsigned int, flags);
 COMPAT_SYSCALL_WRAP4(sched_getattr, pid_t, pid, struct sched_attr __user *, attr, unsigned int, size, unsigned int, flags);
+COMPAT_SYSCALL_WRAP5(renameat2, int, olddfd, const char __user *, oldname, int, newdfd, const char __user *, newname, unsigned int, flags);
diff --git a/arch/s390/kernel/dumpstack.c b/arch/s390/kernel/dumpstack.c
index e6af9406987c..acb412442e5e 100644
--- a/arch/s390/kernel/dumpstack.c
+++ b/arch/s390/kernel/dumpstack.c
@@ -144,10 +144,10 @@ void show_registers(struct pt_regs *regs)
 	char *mode;
 
 	mode = user_mode(regs) ? "User" : "Krnl";
-	printk("%s PSW : %p %p (%pSR)\n",
-	       mode, (void *) regs->psw.mask,
-	       (void *) regs->psw.addr,
-	       (void *) regs->psw.addr);
+	printk("%s PSW : %p %p", mode, (void *)regs->psw.mask, (void *)regs->psw.addr);
+	if (!user_mode(regs))
+		printk(" (%pSR)", (void *)regs->psw.addr);
+	printk("\n");
 	printk("           R:%x T:%x IO:%x EX:%x Key:%x M:%x W:%x "
 	       "P:%x AS:%x CC:%x PM:%x", mask_bits(regs, PSW_MASK_PER),
 	       mask_bits(regs, PSW_MASK_DAT), mask_bits(regs, PSW_MASK_IO),
diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c
index 4ac8fafec95f..1c82619eb4f7 100644
--- a/arch/s390/kernel/ptrace.c
+++ b/arch/s390/kernel/ptrace.c
@@ -64,7 +64,7 @@ void update_cr_regs(struct task_struct *task)
 		if (task->thread.per_flags & PER_FLAG_NO_TE)
 			cr_new &= ~(1UL << 55);
 		if (cr_new != cr)
-			__ctl_load(cr, 0, 0);
+			__ctl_load(cr_new, 0, 0);
 		/* Set or clear transaction execution TDC bits 62 and 63. */
 		__ctl_store(cr, 2, 2);
 		cr_new = cr & ~3UL;
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index f70f2489fa5f..88d1ca81e2dd 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -1027,3 +1027,35 @@ void __init setup_arch(char **cmdline_p)
 	/* Setup zfcpdump support */
 	setup_zfcpdump();
 }
+
+#ifdef CONFIG_32BIT
+static int no_removal_warning __initdata;
+
+static int __init parse_no_removal_warning(char *str)
+{
+	no_removal_warning = 1;
+	return 0;
+}
+__setup("no_removal_warning", parse_no_removal_warning);
+
+static int __init removal_warning(void)
+{
+	if (no_removal_warning)
+		return 0;
+	printk(KERN_ALERT "\n\n");
+	printk(KERN_CONT "Warning - you are using a 31 bit kernel!\n\n");
+	printk(KERN_CONT "We plan to remove 31 bit kernel support from the kernel sources in March 2015.\n");
+	printk(KERN_CONT "Currently we assume that nobody is using the 31 bit kernel on old 31 bit\n");
+	printk(KERN_CONT "hardware anymore. If you think that the code should not be removed and also\n");
+	printk(KERN_CONT "future versions of the Linux kernel should be able to run in 31 bit mode\n");
+	printk(KERN_CONT "please let us know. Please write to:\n");
+	printk(KERN_CONT "linux390@de.ibm.com (mail address) and/or\n");
+	printk(KERN_CONT "linux-s390@vger.kernel.org (mailing list).\n\n");
+	printk(KERN_CONT "Thank you!\n\n");
+	printk(KERN_CONT "If this kernel runs on a 64 bit machine you may consider using a 64 bit kernel.\n");
+	printk(KERN_CONT "This message can be disabled with the \"no_removal_warning\" kernel parameter.\n");
+	schedule_timeout_uninterruptible(300 * HZ);
+	return 0;
+}
+early_initcall(removal_warning);
+#endif
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 512ce1cde2a4..86e65ec3422b 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -82,21 +82,6 @@ DEFINE_MUTEX(smp_cpu_state_mutex);
 /*
  * Signal processor helper functions.
  */
-static inline int __pcpu_sigp(u16 addr, u8 order, u32 parm, u32 *status)
-{
-	register unsigned int reg1 asm ("1") = parm;
-	int cc;
-
-	asm volatile(
-		"	sigp	%1,%2,0(%3)\n"
-		"	ipm	%0\n"
-		"	srl	%0,28\n"
-		: "=d" (cc), "+d" (reg1) : "d" (addr), "a" (order) : "cc");
-	if (status && cc == 1)
-		*status = reg1;
-	return cc;
-}
-
 static inline int __pcpu_sigp_relax(u16 addr, u8 order, u32 parm, u32 *status)
 {
 	int cc;
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index 542ef488bac1..fe5cdf29a001 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -355,3 +355,4 @@ SYSCALL(sys_kcmp,sys_kcmp,compat_sys_kcmp)
 SYSCALL(sys_finit_module,sys_finit_module,compat_sys_finit_module)
 SYSCALL(sys_sched_setattr,sys_sched_setattr,compat_sys_sched_setattr) /* 345 */
 SYSCALL(sys_sched_getattr,sys_sched_getattr,compat_sys_sched_getattr)
+SYSCALL(sys_renameat2,sys_renameat2,compat_sys_renameat2)
diff --git a/arch/s390/lib/uaccess.c b/arch/s390/lib/uaccess.c
index 23f866b4c7f1..7416efe8eae4 100644
--- a/arch/s390/lib/uaccess.c
+++ b/arch/s390/lib/uaccess.c
@@ -338,9 +338,6 @@ static inline unsigned long strnlen_user_srst(const char __user *src,
 	register unsigned long reg0 asm("0") = 0;
 	unsigned long tmp1, tmp2;
 
-	if (unlikely(!size))
-		return 0;
-	update_primary_asce(current);
 	asm volatile(
 		"   la    %2,0(%1)\n"
 		"   la    %3,0(%0,%1)\n"
@@ -359,6 +356,8 @@ static inline unsigned long strnlen_user_srst(const char __user *src,
 
 unsigned long __strnlen_user(const char __user *src, unsigned long size)
 {
+	if (unlikely(!size))
+		return 0;
 	update_primary_asce(current);
 	return strnlen_user_srst(src, size);
 }
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index 19f623f1f21c..2f51a998a67e 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -126,6 +126,133 @@ static inline int user_space_fault(struct pt_regs *regs)
 	return 0;
 }
 
+static int bad_address(void *p)
+{
+	unsigned long dummy;
+
+	return probe_kernel_address((unsigned long *)p, dummy);
+}
+
+#ifdef CONFIG_64BIT
+static void dump_pagetable(unsigned long asce, unsigned long address)
+{
+	unsigned long *table = __va(asce & PAGE_MASK);
+
+	pr_alert("AS:%016lx ", asce);
+	switch (asce & _ASCE_TYPE_MASK) {
+	case _ASCE_TYPE_REGION1:
+		table = table + ((address >> 53) & 0x7ff);
+		if (bad_address(table))
+			goto bad;
+		pr_cont("R1:%016lx ", *table);
+		if (*table & _REGION_ENTRY_INVALID)
+			goto out;
+		table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN);
+		/* fallthrough */
+	case _ASCE_TYPE_REGION2:
+		table = table + ((address >> 42) & 0x7ff);
+		if (bad_address(table))
+			goto bad;
+		pr_cont("R2:%016lx ", *table);
+		if (*table & _REGION_ENTRY_INVALID)
+			goto out;
+		table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN);
+		/* fallthrough */
+	case _ASCE_TYPE_REGION3:
+		table = table + ((address >> 31) & 0x7ff);
+		if (bad_address(table))
+			goto bad;
+		pr_cont("R3:%016lx ", *table);
+		if (*table & (_REGION_ENTRY_INVALID | _REGION3_ENTRY_LARGE))
+			goto out;
+		table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN);
+		/* fallthrough */
+	case _ASCE_TYPE_SEGMENT:
+		table = table + ((address >> 20) & 0x7ff);
+		if (bad_address(table))
+			goto bad;
+		pr_cont(KERN_CONT "S:%016lx ", *table);
+		if (*table & (_SEGMENT_ENTRY_INVALID | _SEGMENT_ENTRY_LARGE))
+			goto out;
+		table = (unsigned long *)(*table & _SEGMENT_ENTRY_ORIGIN);
+	}
+	table = table + ((address >> 12) & 0xff);
+	if (bad_address(table))
+		goto bad;
+	pr_cont("P:%016lx ", *table);
+out:
+	pr_cont("\n");
+	return;
+bad:
+	pr_cont("BAD\n");
+}
+
+#else /* CONFIG_64BIT */
+
+static void dump_pagetable(unsigned long asce, unsigned long address)
+{
+	unsigned long *table = __va(asce & PAGE_MASK);
+
+	pr_alert("AS:%08lx ", asce);
+	table = table + ((address >> 20) & 0x7ff);
+	if (bad_address(table))
+		goto bad;
+	pr_cont("S:%08lx ", *table);
+	if (*table & _SEGMENT_ENTRY_INVALID)
+		goto out;
+	table = (unsigned long *)(*table & _SEGMENT_ENTRY_ORIGIN);
+	table = table + ((address >> 12) & 0xff);
+	if (bad_address(table))
+		goto bad;
+	pr_cont("P:%08lx ", *table);
+out:
+	pr_cont("\n");
+	return;
+bad:
+	pr_cont("BAD\n");
+}
+
+#endif /* CONFIG_64BIT */
+
+static void dump_fault_info(struct pt_regs *regs)
+{
+	unsigned long asce;
+
+	pr_alert("Fault in ");
+	switch (regs->int_parm_long & 3) {
+	case 3:
+		pr_cont("home space ");
+		break;
+	case 2:
+		pr_cont("secondary space ");
+		break;
+	case 1:
+		pr_cont("access register ");
+		break;
+	case 0:
+		pr_cont("primary space ");
+		break;
+	}
+	pr_cont("mode while using ");
+	if (!user_space_fault(regs)) {
+		asce = S390_lowcore.kernel_asce;
+		pr_cont("kernel ");
+	}
+#ifdef CONFIG_PGSTE
+	else if ((current->flags & PF_VCPU) && S390_lowcore.gmap) {
+		struct gmap *gmap = (struct gmap *)S390_lowcore.gmap;
+		asce = gmap->asce;
+		pr_cont("gmap ");
+	}
+#endif
+	else {
+		asce = S390_lowcore.user_asce;
+		pr_cont("user ");
+	}
+	pr_cont("ASCE.\n");
+	dump_pagetable(asce, regs->int_parm_long & __FAIL_ADDR_MASK);
+}
+
 static inline void report_user_fault(struct pt_regs *regs, long signr)
 {
 	if ((task_pid_nr(current) > 1) && !show_unhandled_signals)
@@ -138,8 +265,9 @@ static inline void report_user_fault(struct pt_regs *regs, long signr)
 	       regs->int_code);
 	print_vma_addr(KERN_CONT "in ", regs->psw.addr & PSW_ADDR_INSN);
 	printk(KERN_CONT "\n");
-	printk(KERN_ALERT "failing address: %lX\n",
-	       regs->int_parm_long & __FAIL_ADDR_MASK);
+	printk(KERN_ALERT "failing address: %016lx TEID: %016lx\n",
+	       regs->int_parm_long & __FAIL_ADDR_MASK, regs->int_parm_long);
+	dump_fault_info(regs);
 	show_regs(regs);
 }
 
@@ -177,11 +305,13 @@ static noinline void do_no_context(struct pt_regs *regs)
 	address = regs->int_parm_long & __FAIL_ADDR_MASK;
 	if (!user_space_fault(regs))
 		printk(KERN_ALERT "Unable to handle kernel pointer dereference"
-		       " at virtual kernel address %p\n", (void *)address);
+		       " in virtual kernel address space\n");
 	else
 		printk(KERN_ALERT "Unable to handle kernel paging request"
-		       " at virtual user address %p\n", (void *)address);
-
+		       " in virtual user address space\n");
+	printk(KERN_ALERT "failing address: %016lx TEID: %016lx\n",
+	       regs->int_parm_long & __FAIL_ADDR_MASK, regs->int_parm_long);
+	dump_fault_info(regs);
 	die(regs, "Oops");
 	do_exit(SIGKILL);
 }
diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c
index 9c36dc398f90..452d3ebd9d0f 100644
--- a/arch/s390/net/bpf_jit_comp.c
+++ b/arch/s390/net/bpf_jit_comp.c
@@ -276,7 +276,6 @@ static void bpf_jit_noleaks(struct bpf_jit *jit, struct sock_filter *filter)
 	case BPF_S_LD_W_IND:
 	case BPF_S_LD_H_IND:
 	case BPF_S_LD_B_IND:
-	case BPF_S_LDX_B_MSH:
 	case BPF_S_LD_IMM:
 	case BPF_S_LD_MEM:
 	case BPF_S_MISC_TXA:
diff --git a/arch/sh/include/asm/tlb.h b/arch/sh/include/asm/tlb.h
index 362192ed12fe..62f80d2a9df9 100644
--- a/arch/sh/include/asm/tlb.h
+++ b/arch/sh/include/asm/tlb.h
@@ -86,6 +86,14 @@ tlb_end_vma(struct mmu_gather *tlb, struct vm_area_struct *vma)
 	}
 }
 
+static inline void tlb_flush_mmu_tlbonly(struct mmu_gather *tlb)
+{
+}
+
+static inline void tlb_flush_mmu_free(struct mmu_gather *tlb)
+{
+}
+
 static inline void tlb_flush_mmu(struct mmu_gather *tlb)
 {
 }
diff --git a/arch/um/include/asm/tlb.h b/arch/um/include/asm/tlb.h
index 29b0301c18aa..16eb63fac57d 100644
--- a/arch/um/include/asm/tlb.h
+++ b/arch/um/include/asm/tlb.h
@@ -59,13 +59,25 @@ extern void flush_tlb_mm_range(struct mm_struct *mm, unsigned long start,
 			       unsigned long end);
 
 static inline void
+tlb_flush_mmu_tlbonly(struct mmu_gather *tlb)
+{
+	flush_tlb_mm_range(tlb->mm, tlb->start, tlb->end);
+}
+
+static inline void
+tlb_flush_mmu_free(struct mmu_gather *tlb)
+{
+	init_tlb_gather(tlb);
+}
+
+static inline void
 tlb_flush_mmu(struct mmu_gather *tlb)
 {
 	if (!tlb->need_flush)
 		return;
 
-	flush_tlb_mm_range(tlb->mm, tlb->start, tlb->end);
-	init_tlb_gather(tlb);
+	tlb_flush_mmu_tlbonly(tlb);
+	tlb_flush_mmu_free(tlb);
 }
 
 /* tlb_finish_mmu
diff --git a/arch/um/include/shared/os.h b/arch/um/include/shared/os.h
index 75298d3358e7..08eec0b691b0 100644
--- a/arch/um/include/shared/os.h
+++ b/arch/um/include/shared/os.h
@@ -136,6 +136,7 @@ extern int os_ioctl_generic(int fd, unsigned int cmd, unsigned long arg);
 extern int os_get_ifname(int fd, char *namebuf);
 extern int os_set_slip(int fd);
 extern int os_mode_fd(int fd, int mode);
+extern int os_fsync_file(int fd);
 
 extern int os_seek_file(int fd, unsigned long long offset);
 extern int os_open_file(const char *file, struct openflags flags, int mode);
diff --git a/arch/um/kernel/physmem.c b/arch/um/kernel/physmem.c
index f116db15d402..30fdd5d0067b 100644
--- a/arch/um/kernel/physmem.c
+++ b/arch/um/kernel/physmem.c
@@ -103,6 +103,7 @@ void __init setup_physmem(unsigned long start, unsigned long reserve_end,
 	 */
 	os_seek_file(physmem_fd, __pa(&__syscall_stub_start));
 	os_write_file(physmem_fd, &__syscall_stub_start, PAGE_SIZE);
+	os_fsync_file(physmem_fd);
 
 	bootmap_size = init_bootmem(pfn, pfn + delta);
 	free_bootmem(__pa(reserve_end) + bootmap_size,
diff --git a/arch/um/os-Linux/file.c b/arch/um/os-Linux/file.c
index 07a750197bb0..08d90fba952c 100644
--- a/arch/um/os-Linux/file.c
+++ b/arch/um/os-Linux/file.c
@@ -237,6 +237,12 @@ void os_close_file(int fd)
 {
 	close(fd);
 }
+int os_fsync_file(int fd)
+{
+	if (fsync(fd) < 0)
+	    return -errno;
+	return 0;
+}
 
 int os_seek_file(int fd, unsigned long long offset)
 {
diff --git a/arch/um/os-Linux/main.c b/arch/um/os-Linux/main.c
index e1704ff600ff..df9191acd926 100644
--- a/arch/um/os-Linux/main.c
+++ b/arch/um/os-Linux/main.c
@@ -151,6 +151,7 @@ int __init main(int argc, char **argv, char **envp)
 #endif
 
 	do_uml_initcalls();
+	change_sig(SIGPIPE, 0);
 	ret = linux_main(argc, argv);
 
 	/*
diff --git a/arch/um/os-Linux/mem.c b/arch/um/os-Linux/mem.c
index 3c4af77e51a2..897e9ad0c108 100644
--- a/arch/um/os-Linux/mem.c
+++ b/arch/um/os-Linux/mem.c
@@ -12,337 +12,117 @@
 #include <string.h>
 #include <sys/stat.h>
 #include <sys/mman.h>
-#include <sys/param.h>
+#include <sys/vfs.h>
+#include <linux/magic.h>
 #include <init.h>
 #include <os.h>
 
-/* Modified by which_tmpdir, which is called during early boot */
-static char *default_tmpdir = "/tmp";
-
-/*
- *  Modified when creating the physical memory file and when checking
- * the tmp filesystem for usability, both happening during early boot.
- */
+/* Set by make_tempfile() during early boot. */
 static char *tempdir = NULL;
 
-static void __init find_tempdir(void)
+/* Check if dir is on tmpfs. Return 0 if yes, -1 if no or error. */
+static int __init check_tmpfs(const char *dir)
 {
-	const char *dirs[] = { "TMP", "TEMP", "TMPDIR", NULL };
-	int i;
-	char *dir = NULL;
-
-	if (tempdir != NULL)
-		/* We've already been called */
-		return;
-	for (i = 0; dirs[i]; i++) {
-		dir = getenv(dirs[i]);
-		if ((dir != NULL) && (*dir != '\0'))
-			break;
-	}
-	if ((dir == NULL) || (*dir == '\0'))
-		dir = default_tmpdir;
+	struct statfs st;
 
-	tempdir = malloc(strlen(dir) + 2);
-	if (tempdir == NULL) {
-		fprintf(stderr, "Failed to malloc tempdir, "
-			"errno = %d\n", errno);
-		return;
-	}
-	strcpy(tempdir, dir);
-	strcat(tempdir, "/");
-}
-
-/*
- * Remove bytes from the front of the buffer and refill it so that if there's a
- * partial string that we care about, it will be completed, and we can recognize
- * it.
- */
-static int pop(int fd, char *buf, size_t size, size_t npop)
-{
-	ssize_t n;
-	size_t len = strlen(&buf[npop]);
-
-	memmove(buf, &buf[npop], len + 1);
-	n = read(fd, &buf[len], size - len - 1);
-	if (n < 0)
-		return -errno;
-
-	buf[len + n] = '\0';
-	return 1;
-}
-
-/*
- * This will return 1, with the first character in buf being the
- * character following the next instance of c in the file.  This will
- * read the file as needed.  If there's an error, -errno is returned;
- * if the end of the file is reached, 0 is returned.
- */
-static int next(int fd, char *buf, size_t size, char c)
-{
-	ssize_t n;
-	char *ptr;
-
-	while ((ptr = strchr(buf, c)) == NULL) {
-		n = read(fd, buf, size - 1);
-		if (n == 0)
-			return 0;
-		else if (n < 0)
-			return -errno;
-
-		buf[n] = '\0';
+	printf("Checking if %s is on tmpfs...", dir);
+	if (statfs(dir, &st) < 0) {
+		printf("%s\n", strerror(errno));
+	} else if (st.f_type != TMPFS_MAGIC) {
+		printf("no\n");
+	} else {
+		printf("OK\n");
+		return 0;
 	}
-
-	return pop(fd, buf, size, ptr - buf + 1);
+	return -1;
 }
 
 /*
- * Decode an octal-escaped and space-terminated path of the form used by
- * /proc/mounts. May be used to decode a path in-place. "out" must be at least
- * as large as the input. The output is always null-terminated. "len" gets the
- * length of the output, excluding the trailing null. Returns 0 if a full path
- * was successfully decoded, otherwise an error.
+ * Choose the tempdir to use. We want something on tmpfs so that our memory is
+ * not subject to the host's vm.dirty_ratio. If a tempdir is specified in the
+ * environment, we use that even if it's not on tmpfs, but we warn the user.
+ * Otherwise, we try common tmpfs locations, and if no tmpfs directory is found
+ * then we fall back to /tmp.
  */
-static int decode_path(const char *in, char *out, size_t *len)
+static char * __init choose_tempdir(void)
 {
-	char *first = out;
-	int c;
+	static const char * const vars[] = {
+		"TMPDIR",
+		"TMP",
+		"TEMP",
+		NULL
+	};
+	static const char fallback_dir[] = "/tmp";
+	static const char * const tmpfs_dirs[] = {
+		"/dev/shm",
+		fallback_dir,
+		NULL
+	};
 	int i;
-	int ret = -EINVAL;
-	while (1) {
-		switch (*in) {
-		case '\0':
-			goto out;
-
-		case ' ':
-			ret = 0;
-			goto out;
-
-		case '\\':
-			in++;
-			c = 0;
-			for (i = 0; i < 3; i++) {
-				if (*in < '0' || *in > '7')
-					goto out;
-				c = (c << 3) | (*in++ - '0');
-			}
-			*(unsigned char *)out++ = (unsigned char) c;
-			break;
-
-		default:
-			*out++ = *in++;
-			break;
+	const char *dir;
+
+	printf("Checking environment variables for a tempdir...");
+	for (i = 0; vars[i]; i++) {
+		dir = getenv(vars[i]);
+		if ((dir != NULL) && (*dir != '\0')) {
+			printf("%s\n", dir);
+			if (check_tmpfs(dir) >= 0)
+				goto done;
+			else
+				goto warn;
 		}
 	}
+	printf("none found\n");
 
-out:
-	*out = '\0';
-	*len = out - first;
-	return ret;
-}
-
-/*
- * Computes the length of s when encoded with three-digit octal escape sequences
- * for the characters in chars.
- */
-static size_t octal_encoded_length(const char *s, const char *chars)
-{
-	size_t len = strlen(s);
-	while ((s = strpbrk(s, chars)) != NULL) {
-		len += 3;
-		s++;
-	}
-
-	return len;
-}
-
-enum {
-	OUTCOME_NOTHING_MOUNTED,
-	OUTCOME_TMPFS_MOUNT,
-	OUTCOME_NON_TMPFS_MOUNT,
-};
-
-/* Read a line of /proc/mounts data looking for a tmpfs mount at "path". */
-static int read_mount(int fd, char *buf, size_t bufsize, const char *path,
-		      int *outcome)
-{
-	int found;
-	int match;
-	char *space;
-	size_t len;
-
-	enum {
-		MATCH_NONE,
-		MATCH_EXACT,
-		MATCH_PARENT,
-	};
-
-	found = next(fd, buf, bufsize, ' ');
-	if (found != 1)
-		return found;
-
-	/*
-	 * If there's no following space in the buffer, then this path is
-	 * truncated, so it can't be the one we're looking for.
-	 */
-	space = strchr(buf, ' ');
-	if (space) {
-		match = MATCH_NONE;
-		if (!decode_path(buf, buf, &len)) {
-			if (!strcmp(buf, path))
-				match = MATCH_EXACT;
-			else if (!strncmp(buf, path, len)
-				 && (path[len] == '/' || !strcmp(buf, "/")))
-				match = MATCH_PARENT;
-		}
-
-		found = pop(fd, buf, bufsize, space - buf + 1);
-		if (found != 1)
-			return found;
-
-		switch (match) {
-		case MATCH_EXACT:
-			if (!strncmp(buf, "tmpfs", strlen("tmpfs")))
-				*outcome = OUTCOME_TMPFS_MOUNT;
-			else
-				*outcome = OUTCOME_NON_TMPFS_MOUNT;
-			break;
-
-		case MATCH_PARENT:
-			/* This mount obscures any previous ones. */
-			*outcome = OUTCOME_NOTHING_MOUNTED;
-			break;
-		}
+	for (i = 0; tmpfs_dirs[i]; i++) {
+		dir = tmpfs_dirs[i];
+		if (check_tmpfs(dir) >= 0)
+			goto done;
 	}
 
-	return next(fd, buf, bufsize, '\n');
+	dir = fallback_dir;
+warn:
+	printf("Warning: tempdir %s is not on tmpfs\n", dir);
+done:
+	/* Make a copy since getenv results may not remain valid forever. */
+	return strdup(dir);
 }
 
-/* which_tmpdir is called only during early boot */
-static int checked_tmpdir = 0;
-
 /*
- * Look for a tmpfs mounted at /dev/shm.  I couldn't find a cleaner
- * way to do this than to parse /proc/mounts.  statfs will return the
- * same filesystem magic number and fs id for both /dev and /dev/shm
- * when they are both tmpfs, so you can't tell if they are different
- * filesystems.  Also, there seems to be no other way of finding the
- * mount point of a filesystem from within it.
- *
- * If a /dev/shm tmpfs entry is found, then we switch to using it.
- * Otherwise, we stay with the default /tmp.
+ * Create an unlinked tempfile in a suitable tempdir. template must be the
+ * basename part of the template with a leading '/'.
  */
-static void which_tmpdir(void)
+static int __init make_tempfile(const char *template)
 {
+	char *tempname;
 	int fd;
-	int found;
-	int outcome;
-	char *path;
-	char *buf;
-	size_t bufsize;
 
-	if (checked_tmpdir)
-		return;
-
-	checked_tmpdir = 1;
-
-	printf("Checking for tmpfs mount on /dev/shm...");
-
-	path = realpath("/dev/shm", NULL);
-	if (!path) {
-		printf("failed to check real path, errno = %d\n", errno);
-		return;
-	}
-	printf("%s...", path);
-
-	/*
-	 * The buffer needs to be able to fit the full octal-escaped path, a
-	 * space, and a trailing null in order to successfully decode it.
-	 */
-	bufsize = octal_encoded_length(path, " \t\n\\") + 2;
-
-	if (bufsize < 128)
-		bufsize = 128;
-
-	buf = malloc(bufsize);
-	if (!buf) {
-		printf("malloc failed, errno = %d\n", errno);
-		goto out;
-	}
-	buf[0] = '\0';
-
-	fd = open("/proc/mounts", O_RDONLY);
-	if (fd < 0) {
-		printf("failed to open /proc/mounts, errno = %d\n", errno);
-		goto out1;
-	}
-
-	outcome = OUTCOME_NOTHING_MOUNTED;
-	while (1) {
-		found = read_mount(fd, buf, bufsize, path, &outcome);
-		if (found != 1)
-			break;
-	}
-
-	if (found < 0) {
-		printf("read returned errno %d\n", -found);
-	} else {
-		switch (outcome) {
-		case OUTCOME_TMPFS_MOUNT:
-			printf("OK\n");
-			default_tmpdir = "/dev/shm";
-			break;
-
-		case OUTCOME_NON_TMPFS_MOUNT:
-			printf("not tmpfs\n");
-			break;
-
-		default:
-			printf("nothing mounted on /dev/shm\n");
-			break;
+	if (tempdir == NULL) {
+		tempdir = choose_tempdir();
+		if (tempdir == NULL) {
+			fprintf(stderr, "Failed to choose tempdir: %s\n",
+				strerror(errno));
+			return -1;
 		}
 	}
 
-	close(fd);
-out1:
-	free(buf);
-out:
-	free(path);
-}
-
-static int __init make_tempfile(const char *template, char **out_tempname,
-				int do_unlink)
-{
-	char *tempname;
-	int fd;
-
-	which_tmpdir();
-	tempname = malloc(MAXPATHLEN);
+	tempname = malloc(strlen(tempdir) + strlen(template) + 1);
 	if (tempname == NULL)
 		return -1;
 
-	find_tempdir();
-	if ((tempdir == NULL) || (strlen(tempdir) >= MAXPATHLEN))
-		goto out;
-
-	if (template[0] != '/')
-		strcpy(tempname, tempdir);
-	else
-		tempname[0] = '\0';
-	strncat(tempname, template, MAXPATHLEN-1-strlen(tempname));
+	strcpy(tempname, tempdir);
+	strcat(tempname, template);
 	fd = mkstemp(tempname);
 	if (fd < 0) {
 		fprintf(stderr, "open - cannot create %s: %s\n", tempname,
 			strerror(errno));
 		goto out;
 	}
-	if (do_unlink && (unlink(tempname) < 0)) {
+	if (unlink(tempname) < 0) {
 		perror("unlink");
 		goto close;
 	}
-	if (out_tempname) {
-		*out_tempname = tempname;
-	} else
-		free(tempname);
+	free(tempname);
 	return fd;
 close:
 	close(fd);
@@ -351,14 +131,14 @@ out:
 	return -1;
 }
 
-#define TEMPNAME_TEMPLATE "vm_file-XXXXXX"
+#define TEMPNAME_TEMPLATE "/vm_file-XXXXXX"
 
 static int __init create_tmp_file(unsigned long long len)
 {
 	int fd, err;
 	char zero;
 
-	fd = make_tempfile(TEMPNAME_TEMPLATE, NULL, 1);
+	fd = make_tempfile(TEMPNAME_TEMPLATE);
 	if (fd < 0)
 		exit(1);
 
@@ -402,7 +182,6 @@ int __init create_mem_file(unsigned long long len)
 	return fd;
 }
 
-
 void __init check_tmpexec(void)
 {
 	void *addr;
@@ -410,14 +189,13 @@ void __init check_tmpexec(void)
 
 	addr = mmap(NULL, UM_KERN_PAGE_SIZE,
 		    PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE, fd, 0);
-	printf("Checking PROT_EXEC mmap in %s...",tempdir);
-	fflush(stdout);
+	printf("Checking PROT_EXEC mmap in %s...", tempdir);
 	if (addr == MAP_FAILED) {
 		err = errno;
-		perror("failed");
+		printf("%s\n", strerror(err));
 		close(fd);
 		if (err == EPERM)
-			printf("%s must be not mounted noexec\n",tempdir);
+			printf("%s must be not mounted noexec\n", tempdir);
 		exit(1);
 	}
 	printf("OK\n");
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index 602f57e590b5..ce6ad7e6a7d7 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -83,7 +83,9 @@ else
         KBUILD_CFLAGS += -m64
 
         # Don't autogenerate traditional x87, MMX or SSE instructions
-        KBUILD_CFLAGS += -mno-mmx -mno-sse -mno-80387 -mno-fp-ret-in-387
+        KBUILD_CFLAGS += -mno-mmx -mno-sse
+        KBUILD_CFLAGS += $(call cc-option,-mno-80387)
+        KBUILD_CFLAGS += $(call cc-option,-mno-fp-ret-in-387)
 
 	# Use -mpreferred-stack-boundary=3 if supported.
 	KBUILD_CFLAGS += $(call cc-option,-mpreferred-stack-boundary=3)
@@ -250,8 +252,8 @@ archclean:
 PHONY += kvmconfig
 kvmconfig:
 	$(if $(wildcard $(objtree)/.config),, $(error You need an existing .config for this target))
-	$(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m -O $(objtree) $(objtree)/.config arch/x86/configs/kvm_guest.config
-	$(Q)yes "" | $(MAKE) oldconfig
+	$(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m -O $(objtree) $(objtree)/.config $(srctree)/arch/x86/configs/kvm_guest.config
+	$(Q)yes "" | $(MAKE) -f $(srctree)/Makefile oldconfig
 
 define archhelp
   echo  '* bzImage      - Compressed kernel image (arch/x86/boot/bzImage)'
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index fcaf9c961265..7de069afb382 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -60,7 +60,7 @@
 			  | X86_CR4_PSE | X86_CR4_PAE | X86_CR4_MCE     \
 			  | X86_CR4_PGE | X86_CR4_PCE | X86_CR4_OSFXSR | X86_CR4_PCIDE \
 			  | X86_CR4_OSXSAVE | X86_CR4_SMEP | X86_CR4_FSGSBASE \
-			  | X86_CR4_OSXMMEXCPT | X86_CR4_VMXE))
+			  | X86_CR4_OSXMMEXCPT | X86_CR4_VMXE | X86_CR4_SMAP))
 
 #define CR8_RESERVED_BITS (~(unsigned long)X86_CR8_TPR)
 
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 6ad4658de705..d23aa82e7a7b 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -3425,6 +3425,11 @@ int get_nr_irqs_gsi(void)
 	return nr_irqs_gsi;
 }
 
+unsigned int arch_dynirq_lower_bound(unsigned int from)
+{
+	return from < nr_irqs_gsi ? nr_irqs_gsi : from;
+}
+
 int __init arch_probe_nr_irqs(void)
 {
 	int nr;
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index eeee23ff75ef..68317c80de7f 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -598,7 +598,6 @@ void machine_check_poll(enum mcp_flags flags, mce_banks_t *b)
 {
 	struct mce m;
 	int i;
-	unsigned long *v;
 
 	this_cpu_inc(mce_poll_count);
 
@@ -618,8 +617,7 @@ void machine_check_poll(enum mcp_flags flags, mce_banks_t *b)
 		if (!(m.status & MCI_STATUS_VAL))
 			continue;
 
-		v = &get_cpu_var(mce_polled_error);
-		set_bit(0, v);
+		this_cpu_write(mce_polled_error, 1);
 		/*
 		 * Uncorrected or signalled events are handled by the exception
 		 * handler when it is enabled, so don't process those here.
diff --git a/arch/x86/kernel/cpu/mcheck/mce_intel.c b/arch/x86/kernel/cpu/mcheck/mce_intel.c
index 3bdb95ae8c43..9a316b21df8b 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_intel.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_intel.c
@@ -42,7 +42,7 @@ static DEFINE_PER_CPU(mce_banks_t, mce_banks_owned);
  * cmci_discover_lock protects against parallel discovery attempts
  * which could race against each other.
  */
-static DEFINE_RAW_SPINLOCK(cmci_discover_lock);
+static DEFINE_SPINLOCK(cmci_discover_lock);
 
 #define CMCI_THRESHOLD		1
 #define CMCI_POLL_INTERVAL	(30 * HZ)
@@ -144,14 +144,14 @@ static void cmci_storm_disable_banks(void)
 	int bank;
 	u64 val;
 
-	raw_spin_lock_irqsave(&cmci_discover_lock, flags);
+	spin_lock_irqsave(&cmci_discover_lock, flags);
 	owned = __get_cpu_var(mce_banks_owned);
 	for_each_set_bit(bank, owned, MAX_NR_BANKS) {
 		rdmsrl(MSR_IA32_MCx_CTL2(bank), val);
 		val &= ~MCI_CTL2_CMCI_EN;
 		wrmsrl(MSR_IA32_MCx_CTL2(bank), val);
 	}
-	raw_spin_unlock_irqrestore(&cmci_discover_lock, flags);
+	spin_unlock_irqrestore(&cmci_discover_lock, flags);
 }
 
 static bool cmci_storm_detect(void)
@@ -211,7 +211,7 @@ static void cmci_discover(int banks)
 	int i;
 	int bios_wrong_thresh = 0;
 
-	raw_spin_lock_irqsave(&cmci_discover_lock, flags);
+	spin_lock_irqsave(&cmci_discover_lock, flags);
 	for (i = 0; i < banks; i++) {
 		u64 val;
 		int bios_zero_thresh = 0;
@@ -266,7 +266,7 @@ static void cmci_discover(int banks)
 			WARN_ON(!test_bit(i, __get_cpu_var(mce_poll_banks)));
 		}
 	}
-	raw_spin_unlock_irqrestore(&cmci_discover_lock, flags);
+	spin_unlock_irqrestore(&cmci_discover_lock, flags);
 	if (mca_cfg.bios_cmci_threshold && bios_wrong_thresh) {
 		pr_info_once(
 			"bios_cmci_threshold: Some banks do not have valid thresholds set\n");
@@ -316,10 +316,10 @@ void cmci_clear(void)
 
 	if (!cmci_supported(&banks))
 		return;
-	raw_spin_lock_irqsave(&cmci_discover_lock, flags);
+	spin_lock_irqsave(&cmci_discover_lock, flags);
 	for (i = 0; i < banks; i++)
 		__cmci_disable_bank(i);
-	raw_spin_unlock_irqrestore(&cmci_discover_lock, flags);
+	spin_unlock_irqrestore(&cmci_discover_lock, flags);
 }
 
 static void cmci_rediscover_work_func(void *arg)
@@ -360,9 +360,9 @@ void cmci_disable_bank(int bank)
 	if (!cmci_supported(&banks))
 		return;
 
-	raw_spin_lock_irqsave(&cmci_discover_lock, flags);
+	spin_lock_irqsave(&cmci_discover_lock, flags);
 	__cmci_disable_bank(bank);
-	raw_spin_unlock_irqrestore(&cmci_discover_lock, flags);
+	spin_unlock_irqrestore(&cmci_discover_lock, flags);
 }
 
 static void intel_init_cmci(void)
diff --git a/arch/x86/kernel/cpu/perf_event_intel_rapl.c b/arch/x86/kernel/cpu/perf_event_intel_rapl.c
index 059218ed5208..619f7699487a 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_rapl.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_rapl.c
@@ -59,7 +59,7 @@
 #define INTEL_RAPL_PKG		0x2	/* pseudo-encoding */
 #define RAPL_IDX_RAM_NRG_STAT	2	/* DRAM */
 #define INTEL_RAPL_RAM		0x3	/* pseudo-encoding */
-#define RAPL_IDX_PP1_NRG_STAT	3	/* DRAM */
+#define RAPL_IDX_PP1_NRG_STAT	3	/* gpu */
 #define INTEL_RAPL_PP1		0x4	/* pseudo-encoding */
 
 /* Clients have PP0, PKG */
@@ -72,6 +72,12 @@
 			 1<<RAPL_IDX_PKG_NRG_STAT|\
 			 1<<RAPL_IDX_RAM_NRG_STAT)
 
+/* Servers have PP0, PKG, RAM, PP1 */
+#define RAPL_IDX_HSW	(1<<RAPL_IDX_PP0_NRG_STAT|\
+			 1<<RAPL_IDX_PKG_NRG_STAT|\
+			 1<<RAPL_IDX_RAM_NRG_STAT|\
+			 1<<RAPL_IDX_PP1_NRG_STAT)
+
 /*
  * event code: LSB 8 bits, passed in attr->config
  * any other bit is reserved
@@ -425,6 +431,24 @@ static struct attribute *rapl_events_cln_attr[] = {
 	NULL,
 };
 
+static struct attribute *rapl_events_hsw_attr[] = {
+	EVENT_PTR(rapl_cores),
+	EVENT_PTR(rapl_pkg),
+	EVENT_PTR(rapl_gpu),
+	EVENT_PTR(rapl_ram),
+
+	EVENT_PTR(rapl_cores_unit),
+	EVENT_PTR(rapl_pkg_unit),
+	EVENT_PTR(rapl_gpu_unit),
+	EVENT_PTR(rapl_ram_unit),
+
+	EVENT_PTR(rapl_cores_scale),
+	EVENT_PTR(rapl_pkg_scale),
+	EVENT_PTR(rapl_gpu_scale),
+	EVENT_PTR(rapl_ram_scale),
+	NULL,
+};
+
 static struct attribute_group rapl_pmu_events_group = {
 	.name = "events",
 	.attrs = NULL, /* patched at runtime */
@@ -511,6 +535,7 @@ static int rapl_cpu_prepare(int cpu)
 	struct rapl_pmu *pmu = per_cpu(rapl_pmu, cpu);
 	int phys_id = topology_physical_package_id(cpu);
 	u64 ms;
+	u64 msr_rapl_power_unit_bits;
 
 	if (pmu)
 		return 0;
@@ -518,6 +543,10 @@ static int rapl_cpu_prepare(int cpu)
 	if (phys_id < 0)
 		return -1;
 
+	/* protect rdmsrl() to handle virtualization */
+	if (rdmsrl_safe(MSR_RAPL_POWER_UNIT, &msr_rapl_power_unit_bits))
+		return -1;
+
 	pmu = kzalloc_node(sizeof(*pmu), GFP_KERNEL, cpu_to_node(cpu));
 	if (!pmu)
 		return -1;
@@ -531,8 +560,7 @@ static int rapl_cpu_prepare(int cpu)
 	 *
 	 * we cache in local PMU instance
 	 */
-	rdmsrl(MSR_RAPL_POWER_UNIT, pmu->hw_unit);
-	pmu->hw_unit = (pmu->hw_unit >> 8) & 0x1FULL;
+	pmu->hw_unit = (msr_rapl_power_unit_bits >> 8) & 0x1FULL;
 	pmu->pmu = &rapl_pmu_class;
 
 	/*
@@ -631,11 +659,14 @@ static int __init rapl_pmu_init(void)
 	switch (boot_cpu_data.x86_model) {
 	case 42: /* Sandy Bridge */
 	case 58: /* Ivy Bridge */
-	case 60: /* Haswell */
-	case 69: /* Haswell-Celeron */
 		rapl_cntr_mask = RAPL_IDX_CLN;
 		rapl_pmu_events_group.attrs = rapl_events_cln_attr;
 		break;
+	case 60: /* Haswell */
+	case 69: /* Haswell-Celeron */
+		rapl_cntr_mask = RAPL_IDX_HSW;
+		rapl_pmu_events_group.attrs = rapl_events_hsw_attr;
+		break;
 	case 45: /* Sandy Bridge-EP */
 	case 62: /* IvyTown */
 		rapl_cntr_mask = RAPL_IDX_SRV;
@@ -650,7 +681,9 @@ static int __init rapl_pmu_init(void)
 	cpu_notifier_register_begin();
 
 	for_each_online_cpu(cpu) {
-		rapl_cpu_prepare(cpu);
+		ret = rapl_cpu_prepare(cpu);
+		if (ret)
+			goto out;
 		rapl_cpu_init(cpu);
 	}
 
@@ -673,6 +706,7 @@ static int __init rapl_pmu_init(void)
 		hweight32(rapl_cntr_mask),
 		ktime_to_ms(pmu->timer_interval));
 
+out:
 	cpu_notifier_register_done();
 
 	return 0;
diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c
index b0cc3809723d..6e2537c32190 100644
--- a/arch/x86/kernel/early-quirks.c
+++ b/arch/x86/kernel/early-quirks.c
@@ -240,7 +240,7 @@ static u32 __init intel_stolen_base(int num, int slot, int func, size_t stolen_s
 	return base;
 }
 
-#define KB(x)	((x) * 1024)
+#define KB(x)	((x) * 1024UL)
 #define MB(x)	(KB (KB (x)))
 #define GB(x)	(MB (KB (x)))
 
diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c
index 79a3f9682871..61b17dc2c277 100644
--- a/arch/x86/kernel/kprobes/core.c
+++ b/arch/x86/kernel/kprobes/core.c
@@ -897,9 +897,10 @@ int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr)
 	struct kprobe *cur = kprobe_running();
 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
 
-	switch (kcb->kprobe_status) {
-	case KPROBE_HIT_SS:
-	case KPROBE_REENTER:
+	if (unlikely(regs->ip == (unsigned long)cur->ainsn.insn)) {
+		/* This must happen on single-stepping */
+		WARN_ON(kcb->kprobe_status != KPROBE_HIT_SS &&
+			kcb->kprobe_status != KPROBE_REENTER);
 		/*
 		 * We are here because the instruction being single
 		 * stepped caused a page fault. We reset the current
@@ -914,9 +915,8 @@ int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr)
 		else
 			reset_current_kprobe();
 		preempt_enable_no_resched();
-		break;
-	case KPROBE_HIT_ACTIVE:
-	case KPROBE_HIT_SSDONE:
+	} else if (kcb->kprobe_status == KPROBE_HIT_ACTIVE ||
+		   kcb->kprobe_status == KPROBE_HIT_SSDONE) {
 		/*
 		 * We increment the nmissed count for accounting,
 		 * we can also use npre/npostfault count for accounting
@@ -945,10 +945,8 @@ int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr)
 		 * fixup routine could not handle it,
 		 * Let do_page_fault() fix it.
 		 */
-		break;
-	default:
-		break;
 	}
+
 	return 0;
 }
 
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 654b46574b91..3399d3a99730 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -114,8 +114,8 @@ EXPORT_SYMBOL(machine_real_restart);
  */
 static int __init set_pci_reboot(const struct dmi_system_id *d)
 {
-	if (reboot_type != BOOT_CF9) {
-		reboot_type = BOOT_CF9;
+	if (reboot_type != BOOT_CF9_FORCE) {
+		reboot_type = BOOT_CF9_FORCE;
 		pr_info("%s series board detected. Selecting %s-method for reboots.\n",
 			d->ident, "PCI");
 	}
@@ -458,20 +458,23 @@ void __attribute__((weak)) mach_reboot_fixups(void)
 }
 
 /*
- * Windows compatible x86 hardware expects the following on reboot:
+ * To the best of our knowledge Windows compatible x86 hardware expects
+ * the following on reboot:
  *
  * 1) If the FADT has the ACPI reboot register flag set, try it
  * 2) If still alive, write to the keyboard controller
  * 3) If still alive, write to the ACPI reboot register again
  * 4) If still alive, write to the keyboard controller again
  * 5) If still alive, call the EFI runtime service to reboot
- * 6) If still alive, write to the PCI IO port 0xCF9 to reboot
- * 7) If still alive, inform BIOS to do a proper reboot
+ * 6) If no EFI runtime service, call the BIOS to do a reboot
  *
- * If the machine is still alive at this stage, it gives up. We default to
- * following the same pattern, except that if we're still alive after (7) we'll
- * try to force a triple fault and then cycle between hitting the keyboard
- * controller and doing that
+ * We default to following the same pattern. We also have
+ * two other reboot methods: 'triple fault' and 'PCI', which
+ * can be triggered via the reboot= kernel boot option or
+ * via quirks.
+ *
+ * This means that this function can never return, it can misbehave
+ * by not rebooting properly and hanging.
  */
 static void native_machine_emergency_restart(void)
 {
@@ -492,6 +495,11 @@ static void native_machine_emergency_restart(void)
 	for (;;) {
 		/* Could also try the reset bit in the Hammer NB */
 		switch (reboot_type) {
+		case BOOT_ACPI:
+			acpi_reboot();
+			reboot_type = BOOT_KBD;
+			break;
+
 		case BOOT_KBD:
 			mach_reboot_fixups(); /* For board specific fixups */
 
@@ -509,43 +517,29 @@ static void native_machine_emergency_restart(void)
 			}
 			break;
 
-		case BOOT_TRIPLE:
-			load_idt(&no_idt);
-			__asm__ __volatile__("int3");
-
-			/* We're probably dead after this, but... */
-			reboot_type = BOOT_KBD;
-			break;
-
-		case BOOT_BIOS:
-			machine_real_restart(MRR_BIOS);
-
-			/* We're probably dead after this, but... */
-			reboot_type = BOOT_TRIPLE;
-			break;
-
-		case BOOT_ACPI:
-			acpi_reboot();
-			reboot_type = BOOT_KBD;
-			break;
-
 		case BOOT_EFI:
 			if (efi_enabled(EFI_RUNTIME_SERVICES))
 				efi.reset_system(reboot_mode == REBOOT_WARM ?
 						 EFI_RESET_WARM :
 						 EFI_RESET_COLD,
 						 EFI_SUCCESS, 0, NULL);
-			reboot_type = BOOT_CF9_COND;
+			reboot_type = BOOT_BIOS;
+			break;
+
+		case BOOT_BIOS:
+			machine_real_restart(MRR_BIOS);
+
+			/* We're probably dead after this, but... */
+			reboot_type = BOOT_CF9_SAFE;
 			break;
 
-		case BOOT_CF9:
+		case BOOT_CF9_FORCE:
 			port_cf9_safe = true;
 			/* Fall through */
 
-		case BOOT_CF9_COND:
+		case BOOT_CF9_SAFE:
 			if (port_cf9_safe) {
-				u8 reboot_code = reboot_mode == REBOOT_WARM ?
-					0x06 : 0x0E;
+				u8 reboot_code = reboot_mode == REBOOT_WARM ?  0x06 : 0x0E;
 				u8 cf9 = inb(0xcf9) & ~reboot_code;
 				outb(cf9|2, 0xcf9); /* Request hard reset */
 				udelay(50);
@@ -553,7 +547,15 @@ static void native_machine_emergency_restart(void)
 				outb(cf9|reboot_code, 0xcf9);
 				udelay(50);
 			}
-			reboot_type = BOOT_BIOS;
+			reboot_type = BOOT_TRIPLE;
+			break;
+
+		case BOOT_TRIPLE:
+			load_idt(&no_idt);
+			__asm__ __volatile__("int3");
+
+			/* We're probably dead after this, but... */
+			reboot_type = BOOT_KBD;
 			break;
 		}
 	}
diff --git a/arch/x86/kernel/vsmp_64.c b/arch/x86/kernel/vsmp_64.c
index f6584a90aba3..5edc34b5b951 100644
--- a/arch/x86/kernel/vsmp_64.c
+++ b/arch/x86/kernel/vsmp_64.c
@@ -26,6 +26,9 @@
 
 #define TOPOLOGY_REGISTER_OFFSET 0x10
 
+/* Flag below is initialized once during vSMP PCI initialization. */
+static int irq_routing_comply = 1;
+
 #if defined CONFIG_PCI && defined CONFIG_PARAVIRT
 /*
  * Interrupt control on vSMPowered systems:
@@ -101,6 +104,10 @@ static void __init set_vsmp_pv_ops(void)
 #ifdef CONFIG_SMP
 	if (cap & ctl & BIT(8)) {
 		ctl &= ~BIT(8);
+
+		/* Interrupt routing set to ignore */
+		irq_routing_comply = 0;
+
 #ifdef CONFIG_PROC_FS
 		/* Don't let users change irq affinity via procfs */
 		no_irq_affinity = 1;
@@ -218,7 +225,9 @@ static void vsmp_apic_post_init(void)
 {
 	/* need to update phys_pkg_id */
 	apic->phys_pkg_id = apicid_phys_pkg_id;
-	apic->vector_allocation_domain = fill_vector_allocation_domain;
+
+	if (!irq_routing_comply)
+		apic->vector_allocation_domain = fill_vector_allocation_domain;
 }
 
 void __init vsmp_init(void)
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index bea60671ef8a..f47a104a749c 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -308,7 +308,7 @@ static inline int __do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
 	const u32 kvm_supported_word9_x86_features =
 		F(FSGSBASE) | F(BMI1) | F(HLE) | F(AVX2) | F(SMEP) |
 		F(BMI2) | F(ERMS) | f_invpcid | F(RTM) | f_mpx | F(RDSEED) |
-		F(ADX);
+		F(ADX) | F(SMAP);
 
 	/* all calls to cpuid_count() should be made on the same cpu */
 	get_cpu();
diff --git a/arch/x86/kvm/cpuid.h b/arch/x86/kvm/cpuid.h
index a2a1bb7ed8c1..eeecbed26ac7 100644
--- a/arch/x86/kvm/cpuid.h
+++ b/arch/x86/kvm/cpuid.h
@@ -48,6 +48,14 @@ static inline bool guest_cpuid_has_smep(struct kvm_vcpu *vcpu)
 	return best && (best->ebx & bit(X86_FEATURE_SMEP));
 }
 
+static inline bool guest_cpuid_has_smap(struct kvm_vcpu *vcpu)
+{
+	struct kvm_cpuid_entry2 *best;
+
+	best = kvm_find_cpuid_entry(vcpu, 7, 0);
+	return best && (best->ebx & bit(X86_FEATURE_SMAP));
+}
+
 static inline bool guest_cpuid_has_fsgsbase(struct kvm_vcpu *vcpu)
 {
 	struct kvm_cpuid_entry2 *best;
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index f5704d9e5ddc..813d31038b93 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -3601,20 +3601,27 @@ static void reset_rsvds_bits_mask_ept(struct kvm_vcpu *vcpu,
 	}
 }
 
-static void update_permission_bitmask(struct kvm_vcpu *vcpu,
+void update_permission_bitmask(struct kvm_vcpu *vcpu,
 		struct kvm_mmu *mmu, bool ept)
 {
 	unsigned bit, byte, pfec;
 	u8 map;
-	bool fault, x, w, u, wf, uf, ff, smep;
+	bool fault, x, w, u, wf, uf, ff, smapf, cr4_smap, cr4_smep, smap = 0;
 
-	smep = kvm_read_cr4_bits(vcpu, X86_CR4_SMEP);
+	cr4_smep = kvm_read_cr4_bits(vcpu, X86_CR4_SMEP);
+	cr4_smap = kvm_read_cr4_bits(vcpu, X86_CR4_SMAP);
 	for (byte = 0; byte < ARRAY_SIZE(mmu->permissions); ++byte) {
 		pfec = byte << 1;
 		map = 0;
 		wf = pfec & PFERR_WRITE_MASK;
 		uf = pfec & PFERR_USER_MASK;
 		ff = pfec & PFERR_FETCH_MASK;
+		/*
+		 * PFERR_RSVD_MASK bit is set in PFEC if the access is not
+		 * subject to SMAP restrictions, and cleared otherwise. The
+		 * bit is only meaningful if the SMAP bit is set in CR4.
+		 */
+		smapf = !(pfec & PFERR_RSVD_MASK);
 		for (bit = 0; bit < 8; ++bit) {
 			x = bit & ACC_EXEC_MASK;
 			w = bit & ACC_WRITE_MASK;
@@ -3626,12 +3633,33 @@ static void update_permission_bitmask(struct kvm_vcpu *vcpu,
 				/* Allow supervisor writes if !cr0.wp */
 				w |= !is_write_protection(vcpu) && !uf;
 				/* Disallow supervisor fetches of user code if cr4.smep */
-				x &= !(smep && u && !uf);
+				x &= !(cr4_smep && u && !uf);
+
+				/*
+				 * SMAP:kernel-mode data accesses from user-mode
+				 * mappings should fault. A fault is considered
+				 * as a SMAP violation if all of the following
+				 * conditions are ture:
+				 *   - X86_CR4_SMAP is set in CR4
+				 *   - An user page is accessed
+				 *   - Page fault in kernel mode
+				 *   - if CPL = 3 or X86_EFLAGS_AC is clear
+				 *
+				 *   Here, we cover the first three conditions.
+				 *   The fourth is computed dynamically in
+				 *   permission_fault() and is in smapf.
+				 *
+				 *   Also, SMAP does not affect instruction
+				 *   fetches, add the !ff check here to make it
+				 *   clearer.
+				 */
+				smap = cr4_smap && u && !uf && !ff;
 			} else
 				/* Not really needed: no U/S accesses on ept  */
 				u = 1;
 
-			fault = (ff && !x) || (uf && !u) || (wf && !w);
+			fault = (ff && !x) || (uf && !u) || (wf && !w) ||
+				(smapf && smap);
 			map |= fault << bit;
 		}
 		mmu->permissions[byte] = map;
diff --git a/arch/x86/kvm/mmu.h b/arch/x86/kvm/mmu.h
index 292615274358..3842e70bdb7c 100644
--- a/arch/x86/kvm/mmu.h
+++ b/arch/x86/kvm/mmu.h
@@ -44,11 +44,17 @@
 #define PT_DIRECTORY_LEVEL 2
 #define PT_PAGE_TABLE_LEVEL 1
 
-#define PFERR_PRESENT_MASK (1U << 0)
-#define PFERR_WRITE_MASK (1U << 1)
-#define PFERR_USER_MASK (1U << 2)
-#define PFERR_RSVD_MASK (1U << 3)
-#define PFERR_FETCH_MASK (1U << 4)
+#define PFERR_PRESENT_BIT 0
+#define PFERR_WRITE_BIT 1
+#define PFERR_USER_BIT 2
+#define PFERR_RSVD_BIT 3
+#define PFERR_FETCH_BIT 4
+
+#define PFERR_PRESENT_MASK (1U << PFERR_PRESENT_BIT)
+#define PFERR_WRITE_MASK (1U << PFERR_WRITE_BIT)
+#define PFERR_USER_MASK (1U << PFERR_USER_BIT)
+#define PFERR_RSVD_MASK (1U << PFERR_RSVD_BIT)
+#define PFERR_FETCH_MASK (1U << PFERR_FETCH_BIT)
 
 int kvm_mmu_get_spte_hierarchy(struct kvm_vcpu *vcpu, u64 addr, u64 sptes[4]);
 void kvm_mmu_set_mmio_spte_mask(u64 mmio_mask);
@@ -73,6 +79,8 @@ int handle_mmio_page_fault_common(struct kvm_vcpu *vcpu, u64 addr, bool direct);
 void kvm_init_shadow_mmu(struct kvm_vcpu *vcpu, struct kvm_mmu *context);
 void kvm_init_shadow_ept_mmu(struct kvm_vcpu *vcpu, struct kvm_mmu *context,
 		bool execonly);
+void update_permission_bitmask(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu,
+		bool ept);
 
 static inline unsigned int kvm_mmu_available_pages(struct kvm *kvm)
 {
@@ -110,10 +118,30 @@ static inline bool is_write_protection(struct kvm_vcpu *vcpu)
  * Will a fault with a given page-fault error code (pfec) cause a permission
  * fault with the given access (in ACC_* format)?
  */
-static inline bool permission_fault(struct kvm_mmu *mmu, unsigned pte_access,
-				    unsigned pfec)
+static inline bool permission_fault(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu,
+				    unsigned pte_access, unsigned pfec)
 {
-	return (mmu->permissions[pfec >> 1] >> pte_access) & 1;
+	int cpl = kvm_x86_ops->get_cpl(vcpu);
+	unsigned long rflags = kvm_x86_ops->get_rflags(vcpu);
+
+	/*
+	 * If CPL < 3, SMAP prevention are disabled if EFLAGS.AC = 1.
+	 *
+	 * If CPL = 3, SMAP applies to all supervisor-mode data accesses
+	 * (these are implicit supervisor accesses) regardless of the value
+	 * of EFLAGS.AC.
+	 *
+	 * This computes (cpl < 3) && (rflags & X86_EFLAGS_AC), leaving
+	 * the result in X86_EFLAGS_AC. We then insert it in place of
+	 * the PFERR_RSVD_MASK bit; this bit will always be zero in pfec,
+	 * but it will be one in index if SMAP checks are being overridden.
+	 * It is important to keep this branchless.
+	 */
+	unsigned long smap = (cpl - 3) & (rflags & X86_EFLAGS_AC);
+	int index = (pfec >> 1) +
+		    (smap >> (X86_EFLAGS_AC_BIT - PFERR_RSVD_BIT + 1));
+
+	return (mmu->permissions[index] >> pte_access) & 1;
 }
 
 void kvm_mmu_invalidate_zap_all_pages(struct kvm *kvm);
diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index b1e6c1bf68d3..123efd3ec29f 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -353,7 +353,7 @@ retry_walk:
 		walker->ptes[walker->level - 1] = pte;
 	} while (!is_last_gpte(mmu, walker->level, pte));
 
-	if (unlikely(permission_fault(mmu, pte_access, access))) {
+	if (unlikely(permission_fault(vcpu, mmu, pte_access, access))) {
 		errcode |= PFERR_PRESENT_MASK;
 		goto error;
 	}
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 1320e0f8e611..33e8c028842f 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -503,7 +503,7 @@ static inline struct vcpu_vmx *to_vmx(struct kvm_vcpu *vcpu)
 				[number##_HIGH] = VMCS12_OFFSET(name)+4
 
 
-static const unsigned long shadow_read_only_fields[] = {
+static unsigned long shadow_read_only_fields[] = {
 	/*
 	 * We do NOT shadow fields that are modified when L0
 	 * traps and emulates any vmx instruction (e.g. VMPTRLD,
@@ -526,10 +526,10 @@ static const unsigned long shadow_read_only_fields[] = {
 	GUEST_LINEAR_ADDRESS,
 	GUEST_PHYSICAL_ADDRESS
 };
-static const int max_shadow_read_only_fields =
+static int max_shadow_read_only_fields =
 	ARRAY_SIZE(shadow_read_only_fields);
 
-static const unsigned long shadow_read_write_fields[] = {
+static unsigned long shadow_read_write_fields[] = {
 	GUEST_RIP,
 	GUEST_RSP,
 	GUEST_CR0,
@@ -558,7 +558,7 @@ static const unsigned long shadow_read_write_fields[] = {
 	HOST_FS_SELECTOR,
 	HOST_GS_SELECTOR
 };
-static const int max_shadow_read_write_fields =
+static int max_shadow_read_write_fields =
 	ARRAY_SIZE(shadow_read_write_fields);
 
 static const unsigned short vmcs_field_to_offset_table[] = {
@@ -3009,6 +3009,41 @@ static void free_kvm_area(void)
 	}
 }
 
+static void init_vmcs_shadow_fields(void)
+{
+	int i, j;
+
+	/* No checks for read only fields yet */
+
+	for (i = j = 0; i < max_shadow_read_write_fields; i++) {
+		switch (shadow_read_write_fields[i]) {
+		case GUEST_BNDCFGS:
+			if (!vmx_mpx_supported())
+				continue;
+			break;
+		default:
+			break;
+		}
+
+		if (j < i)
+			shadow_read_write_fields[j] =
+				shadow_read_write_fields[i];
+		j++;
+	}
+	max_shadow_read_write_fields = j;
+
+	/* shadowed fields guest access without vmexit */
+	for (i = 0; i < max_shadow_read_write_fields; i++) {
+		clear_bit(shadow_read_write_fields[i],
+			  vmx_vmwrite_bitmap);
+		clear_bit(shadow_read_write_fields[i],
+			  vmx_vmread_bitmap);
+	}
+	for (i = 0; i < max_shadow_read_only_fields; i++)
+		clear_bit(shadow_read_only_fields[i],
+			  vmx_vmread_bitmap);
+}
+
 static __init int alloc_kvm_area(void)
 {
 	int cpu;
@@ -3039,6 +3074,8 @@ static __init int hardware_setup(void)
 		enable_vpid = 0;
 	if (!cpu_has_vmx_shadow_vmcs())
 		enable_shadow_vmcs = 0;
+	if (enable_shadow_vmcs)
+		init_vmcs_shadow_fields();
 
 	if (!cpu_has_vmx_ept() ||
 	    !cpu_has_vmx_ept_4levels()) {
@@ -3484,13 +3521,14 @@ static int vmx_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
 			hw_cr4 &= ~X86_CR4_PAE;
 			hw_cr4 |= X86_CR4_PSE;
 			/*
-			 * SMEP is disabled if CPU is in non-paging mode in
-			 * hardware. However KVM always uses paging mode to
+			 * SMEP/SMAP is disabled if CPU is in non-paging mode
+			 * in hardware. However KVM always uses paging mode to
 			 * emulate guest non-paging mode with TDP.
-			 * To emulate this behavior, SMEP needs to be manually
-			 * disabled when guest switches to non-paging mode.
+			 * To emulate this behavior, SMEP/SMAP needs to be
+			 * manually disabled when guest switches to non-paging
+			 * mode.
 			 */
-			hw_cr4 &= ~X86_CR4_SMEP;
+			hw_cr4 &= ~(X86_CR4_SMEP | X86_CR4_SMAP);
 		} else if (!(cr4 & X86_CR4_PAE)) {
 			hw_cr4 &= ~X86_CR4_PAE;
 		}
@@ -8802,14 +8840,6 @@ static int __init vmx_init(void)
 
 	memset(vmx_vmread_bitmap, 0xff, PAGE_SIZE);
 	memset(vmx_vmwrite_bitmap, 0xff, PAGE_SIZE);
-	/* shadowed read/write fields */
-	for (i = 0; i < max_shadow_read_write_fields; i++) {
-		clear_bit(shadow_read_write_fields[i], vmx_vmwrite_bitmap);
-		clear_bit(shadow_read_write_fields[i], vmx_vmread_bitmap);
-	}
-	/* shadowed read only fields */
-	for (i = 0; i < max_shadow_read_only_fields; i++)
-		clear_bit(shadow_read_only_fields[i], vmx_vmread_bitmap);
 
 	/*
 	 * Allow direct access to the PC debug port (it is often used for I/O
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 9d1b5cd4d34c..8b8fc0b792ba 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -652,6 +652,9 @@ int kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
 	if (!guest_cpuid_has_smep(vcpu) && (cr4 & X86_CR4_SMEP))
 		return 1;
 
+	if (!guest_cpuid_has_smap(vcpu) && (cr4 & X86_CR4_SMAP))
+		return 1;
+
 	if (!guest_cpuid_has_fsgsbase(vcpu) && (cr4 & X86_CR4_FSGSBASE))
 		return 1;
 
@@ -680,6 +683,9 @@ int kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
 	    (!(cr4 & X86_CR4_PCIDE) && (old_cr4 & X86_CR4_PCIDE)))
 		kvm_mmu_reset_context(vcpu);
 
+	if ((cr4 ^ old_cr4) & X86_CR4_SMAP)
+		update_permission_bitmask(vcpu, vcpu->arch.walk_mmu, false);
+
 	if ((cr4 ^ old_cr4) & X86_CR4_OSXSAVE)
 		kvm_update_cpuid(vcpu);
 
@@ -1117,7 +1123,6 @@ static inline u64 get_kernel_ns(void)
 {
 	struct timespec ts;
 
-	WARN_ON(preemptible());
 	ktime_get_ts(&ts);
 	monotonic_to_bootbased(&ts);
 	return timespec_to_ns(&ts);
@@ -4164,7 +4169,8 @@ static int vcpu_mmio_gva_to_gpa(struct kvm_vcpu *vcpu, unsigned long gva,
 		| (write ? PFERR_WRITE_MASK : 0);
 
 	if (vcpu_match_mmio_gva(vcpu, gva)
-	    && !permission_fault(vcpu->arch.walk_mmu, vcpu->arch.access, access)) {
+	    && !permission_fault(vcpu, vcpu->arch.walk_mmu,
+				 vcpu->arch.access, access)) {
 		*gpa = vcpu->arch.mmio_gfn << PAGE_SHIFT |
 					(gva & (PAGE_SIZE - 1));
 		trace_vcpu_match_mmio(gva, *gpa, write, false);
diff --git a/arch/x86/syscalls/Makefile b/arch/x86/syscalls/Makefile
index f325af26107c..3323c2745248 100644
--- a/arch/x86/syscalls/Makefile
+++ b/arch/x86/syscalls/Makefile
@@ -54,5 +54,7 @@ syshdr-$(CONFIG_X86_64)		+= syscalls_64.h
 
 targets	+= $(uapisyshdr-y) $(syshdr-y)
 
+PHONY += all
 all: $(addprefix $(uapi)/,$(uapisyshdr-y))
 all: $(addprefix $(out)/,$(syshdr-y))
+	@:
diff --git a/arch/x86/syscalls/syscall_32.tbl b/arch/x86/syscalls/syscall_32.tbl
index 96bc506ac6de..d6b867921612 100644
--- a/arch/x86/syscalls/syscall_32.tbl
+++ b/arch/x86/syscalls/syscall_32.tbl
@@ -359,3 +359,4 @@
 350	i386	finit_module		sys_finit_module
 351	i386	sched_setattr		sys_sched_setattr
 352	i386	sched_getattr		sys_sched_getattr
+353	i386	renameat2		sys_renameat2
diff --git a/arch/x86/tools/Makefile b/arch/x86/tools/Makefile
index e8120346903b..604a37efd4d5 100644
--- a/arch/x86/tools/Makefile
+++ b/arch/x86/tools/Makefile
@@ -40,4 +40,6 @@ $(obj)/insn_sanity.o: $(srctree)/arch/x86/lib/insn.c $(srctree)/arch/x86/lib/ina
 HOST_EXTRACFLAGS += -I$(srctree)/tools/include
 hostprogs-y	+= relocs
 relocs-objs     := relocs_32.o relocs_64.o relocs_common.o
+PHONY += relocs
 relocs: $(obj)/relocs
+	@:
diff --git a/arch/x86/vdso/vdso-layout.lds.S b/arch/x86/vdso/vdso-layout.lds.S
index 2e263f367b13..9df017ab2285 100644
--- a/arch/x86/vdso/vdso-layout.lds.S
+++ b/arch/x86/vdso/vdso-layout.lds.S
@@ -9,12 +9,9 @@ SECTIONS
 #ifdef BUILD_VDSO32
 #include <asm/vdso32.h>
 
-	.hpet_sect : {
-		hpet_page = . - VDSO_OFFSET(VDSO_HPET_PAGE);
-	} :text :hpet_sect
+	hpet_page = . - VDSO_OFFSET(VDSO_HPET_PAGE);
 
-	.vvar_sect : {
-		vvar = . - VDSO_OFFSET(VDSO_VVAR_PAGE);
+	vvar = . - VDSO_OFFSET(VDSO_VVAR_PAGE);
 
 	/* Place all vvars at the offsets in asm/vvar.h. */
 #define EMIT_VVAR(name, offset) vvar_ ## name = vvar + offset;
@@ -22,7 +19,6 @@ SECTIONS
 #include <asm/vvar.h>
 #undef __VVAR_KERNEL_LDS
 #undef EMIT_VVAR
-	} :text :vvar_sect
 #endif
 	. = SIZEOF_HEADERS;
 
@@ -61,7 +57,12 @@ SECTIONS
 	 */
 	. = ALIGN(0x100);
 
-	.text		: { *(.text*) }			:text	=0x90909090
+	.text		: { *(.text*) }			:text	=0x90909090,
+
+	/*
+	 * The comma above works around a bug in gold:
+	 * https://sourceware.org/bugzilla/show_bug.cgi?id=16804
+	 */
 
 	/DISCARD/ : {
 		*(.discard)
@@ -84,8 +85,4 @@ PHDRS
 	dynamic		PT_DYNAMIC	FLAGS(4);		/* PF_R */
 	note		PT_NOTE		FLAGS(4);		/* PF_R */
 	eh_frame_hdr	PT_GNU_EH_FRAME;
-#ifdef BUILD_VDSO32
-	vvar_sect	PT_NULL		FLAGS(4);		/* PF_R */
-	hpet_sect	PT_NULL		FLAGS(4);		/* PF_R */
-#endif
 }
diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index a18eadd8bb40..7005974c3ff3 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -441,10 +441,11 @@ static int xen_cpu_up(unsigned int cpu, struct task_struct *idle)
 	irq_ctx_init(cpu);
 #else
 	clear_tsk_thread_flag(idle, TIF_FORK);
+#endif
 	per_cpu(kernel_stack, cpu) =
 		(unsigned long)task_stack_page(idle) -
 		KERNEL_STACK_OFFSET + THREAD_SIZE;
-#endif
+
 	xen_setup_runstate_info(cpu);
 	xen_setup_timer(cpu);
 	xen_init_lock_cpu(cpu);
diff --git a/arch/x86/xen/spinlock.c b/arch/x86/xen/spinlock.c
index 4d3acc34a998..0ba5f3b967f0 100644
--- a/arch/x86/xen/spinlock.c
+++ b/arch/x86/xen/spinlock.c
@@ -274,7 +274,7 @@ void __init xen_init_spinlocks(void)
 		printk(KERN_DEBUG "xen: PV spinlocks disabled\n");
 		return;
 	}
-
+	printk(KERN_DEBUG "xen: PV spinlocks enabled\n");
 	pv_lock_ops.lock_spinning = PV_CALLEE_SAVE(xen_lock_spinning);
 	pv_lock_ops.unlock_kick = xen_unlock_kick;
 }
@@ -290,6 +290,9 @@ static __init int xen_init_spinlocks_jump(void)
 	if (!xen_pvspin)
 		return 0;
 
+	if (!xen_domain())
+		return 0;
+
 	static_key_slow_inc(&paravirt_ticketlocks_enabled);
 	return 0;
 }
diff --git a/arch/x86/xen/xen-asm_32.S b/arch/x86/xen/xen-asm_32.S
index 33ca6e42a4ca..fd92a64d748e 100644
--- a/arch/x86/xen/xen-asm_32.S
+++ b/arch/x86/xen/xen-asm_32.S
@@ -75,6 +75,17 @@ ENDPROC(xen_sysexit)
  * stack state in whatever form its in, we keep things simple by only
  * using a single register which is pushed/popped on the stack.
  */
+
+.macro POP_FS
+1:
+	popw %fs
+.pushsection .fixup, "ax"
+2:	movw $0, (%esp)
+	jmp 1b
+.popsection
+	_ASM_EXTABLE(1b,2b)
+.endm
+
 ENTRY(xen_iret)
 	/* test eflags for special cases */
 	testl $(X86_EFLAGS_VM | XEN_EFLAGS_NMI), 8(%esp)
@@ -83,15 +94,13 @@ ENTRY(xen_iret)
 	push %eax
 	ESP_OFFSET=4	# bytes pushed onto stack
 
-	/*
-	 * Store vcpu_info pointer for easy access.  Do it this way to
-	 * avoid having to reload %fs
-	 */
+	/* Store vcpu_info pointer for easy access */
 #ifdef CONFIG_SMP
-	GET_THREAD_INFO(%eax)
-	movl %ss:TI_cpu(%eax), %eax
-	movl %ss:__per_cpu_offset(,%eax,4), %eax
-	mov %ss:xen_vcpu(%eax), %eax
+	pushw %fs
+	movl $(__KERNEL_PERCPU), %eax
+	movl %eax, %fs
+	movl %fs:xen_vcpu, %eax
+	POP_FS
 #else
 	movl %ss:xen_vcpu, %eax
 #endif
author	Kukjin Kim <kgene.kim@samsung.com>	2014-05-31 02:36:49 +0900
committer	Kukjin Kim <kgene.kim@samsung.com>	2014-05-31 02:36:49 +0900
commit	fced6dee29f6fb143fe16ea90331176ff77e6120 (patch)
tree	5b6e57e7a757adc2a6518ce291a4d2914397b917 /arch
parent	bfed1074f213051e94648bfad0d0611a16d81366 (diff)
parent	be1f7c8d7e2bc8b8c76846aa6f276e8d2ef8975a (diff)