Merge tag 'calxeda-ecx-2000' of git://sources.calxeda.com/kernel/linux into next/soc

Support for Calxeda ECX-2000 SOC from Rob Herring

* tag 'calxeda-ecx-2000' of git://sources.calxeda.com/kernel/linux:
  ARM: highbank: Add initial ECX-2000 support
  ARM: highbank: abstract out SCU usage
  ARM: smp_twd: don't warn on no DT node
  ARM: dts: Add Calxeda ECX-2000 support
  ARM: highbank: enable coherent DMA for xgmac in dts
  ARM: highbank: disable unused sdhci and gpio in dts
  + sync to Linux 3.7-rc3

85 files changed, 674 insertions, 371 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index c989c61060ae..b9c7f8817feb 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1603,8 +1603,8 @@ config NR_CPUS
 	default "4"
 
 config HOTPLUG_CPU
-	bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
-	depends on SMP && HOTPLUG && EXPERIMENTAL
+	bool "Support for hot-pluggable CPUs"
+	depends on SMP && HOTPLUG
 	help
 	  Say Y here to experiment with turning CPUs off and on.  CPUs
 	  can be controlled through /sys/devices/system/cpu.
@@ -1645,8 +1645,8 @@ config HZ
 	default 100
 
 config THUMB2_KERNEL
-	bool "Compile the kernel in Thumb-2 mode (EXPERIMENTAL)"
-	depends on CPU_V7 && !CPU_V6 && !CPU_V6K && EXPERIMENTAL
+	bool "Compile the kernel in Thumb-2 mode"
+	depends on CPU_V7 && !CPU_V6 && !CPU_V6K
 	select AEABI
 	select ARM_ASM_UNIFIED
 	select ARM_UNWIND
@@ -1850,6 +1850,7 @@ config XEN_DOM0
 config XEN
 	bool "Xen guest support on ARM (EXPERIMENTAL)"
 	depends on EXPERIMENTAL && ARM && OF
+	depends on CPU_V7 && !CPU_V6
 	help
 	  Say Y if you want to run Linux in a Virtual Machine on Xen on ARM.
 
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index f023e3acdfbd..5f914fca911b 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -21,8 +21,6 @@ endif
 OBJCOPYFLAGS	:=-O binary -R .comment -S
 GZFLAGS		:=-9
 #KBUILD_CFLAGS	+=-pipe
-# Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb:
-KBUILD_CFLAGS	+=$(call cc-option,-marm,)
 
 # Never generate .eh_frame
 KBUILD_CFLAGS	+= $(call cc-option,-fno-dwarf2-cfi-asm)
@@ -105,17 +103,20 @@ endif
 ifeq ($(CONFIG_THUMB2_KERNEL),y)
 AFLAGS_AUTOIT	:=$(call as-option,-Wa$(comma)-mimplicit-it=always,-Wa$(comma)-mauto-it)
 AFLAGS_NOWARN	:=$(call as-option,-Wa$(comma)-mno-warn-deprecated,-Wa$(comma)-W)
-CFLAGS_THUMB2	:=-mthumb $(AFLAGS_AUTOIT) $(AFLAGS_NOWARN)
-AFLAGS_THUMB2	:=$(CFLAGS_THUMB2) -Wa$(comma)-mthumb
+CFLAGS_ISA	:=-mthumb $(AFLAGS_AUTOIT) $(AFLAGS_NOWARN)
+AFLAGS_ISA	:=$(CFLAGS_ISA) -Wa$(comma)-mthumb
 # Work around buggy relocation from gas if requested:
 ifeq ($(CONFIG_THUMB2_AVOID_R_ARM_THM_JUMP11),y)
 CFLAGS_MODULE	+=-fno-optimize-sibling-calls
 endif
+else
+CFLAGS_ISA	:=$(call cc-option,-marm,)
+AFLAGS_ISA	:=$(CFLAGS_ISA)
 endif
 
 # Need -Uarm for gcc < 3.x
-KBUILD_CFLAGS	+=$(CFLAGS_ABI) $(CFLAGS_THUMB2) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
-KBUILD_AFLAGS	+=$(CFLAGS_ABI) $(AFLAGS_THUMB2) $(arch-y) $(tune-y) -include asm/unified.h -msoft-float
+KBUILD_CFLAGS	+=$(CFLAGS_ABI) $(CFLAGS_ISA) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
+KBUILD_AFLAGS	+=$(CFLAGS_ABI) $(AFLAGS_ISA) $(arch-y) $(tune-y) -include asm/unified.h -msoft-float
 
 CHECKFLAGS	+= -D__arm__
 
diff --git a/arch/arm/boot/Makefile b/arch/arm/boot/Makefile
index 3fdab016aa5c..f2aa09eb658e 100644
--- a/arch/arm/boot/Makefile
+++ b/arch/arm/boot/Makefile
@@ -33,7 +33,7 @@ ifeq ($(CONFIG_XIP_KERNEL),y)
 
 $(obj)/xipImage: vmlinux FORCE
 	$(call if_changed,objcopy)
-	@echo '  Kernel: $@ is ready (physical address: $(CONFIG_XIP_PHYS_ADDR))'
+	$(kecho) '  Kernel: $@ is ready (physical address: $(CONFIG_XIP_PHYS_ADDR))'
 
 $(obj)/Image $(obj)/zImage: FORCE
 	@echo 'Kernel configured for XIP (CONFIG_XIP_KERNEL=y)'
@@ -48,14 +48,14 @@ $(obj)/xipImage: FORCE
 
 $(obj)/Image: vmlinux FORCE
 	$(call if_changed,objcopy)
-	@echo '  Kernel: $@ is ready'
+	$(kecho) '  Kernel: $@ is ready'
 
 $(obj)/compressed/vmlinux: $(obj)/Image FORCE
 	$(Q)$(MAKE) $(build)=$(obj)/compressed $@
 
 $(obj)/zImage:	$(obj)/compressed/vmlinux FORCE
 	$(call if_changed,objcopy)
-	@echo '  Kernel: $@ is ready'
+	$(kecho) '  Kernel: $@ is ready'
 
 endif
 
@@ -90,7 +90,7 @@ fi
 $(obj)/uImage:	$(obj)/zImage FORCE
 	@$(check_for_multiple_loadaddr)
 	$(call if_changed,uimage)
-	@echo '  Image $@ is ready'
+	$(kecho) '  Image $@ is ready'
 
 $(obj)/bootp/bootp: $(obj)/zImage initrd FORCE
 	$(Q)$(MAKE) $(build)=$(obj)/bootp $@
@@ -98,7 +98,7 @@ $(obj)/bootp/bootp: $(obj)/zImage initrd FORCE
 
 $(obj)/bootpImage: $(obj)/bootp/bootp FORCE
 	$(call if_changed,objcopy)
-	@echo '  Kernel: $@ is ready'
+	$(kecho) '  Kernel: $@ is ready'
 
 PHONY += initrd FORCE
 initrd:
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index f37cf9fa5fa0..5cc95667fa3b 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -24,7 +24,8 @@ dtb-$(CONFIG_ARCH_EXYNOS) += exynos4210-origen.dtb \
 	exynos4210-smdkv310.dtb \
 	exynos4210-trats.dtb \
 	exynos5250-smdk5250.dtb
-dtb-$(CONFIG_ARCH_HIGHBANK) += highbank.dtb
+dtb-$(CONFIG_ARCH_HIGHBANK) += highbank.dtb \
+	ecx-2000.dtb
 dtb-$(CONFIG_ARCH_INTEGRATOR) += integratorap.dtb \
 	integratorcp.dtb
 dtb-$(CONFIG_ARCH_LPC32XX) += ea3250.dtb phy3250.dtb
diff --git a/arch/arm/boot/dts/at91sam9g20ek_common.dtsi b/arch/arm/boot/dts/at91sam9g20ek_common.dtsi
index b06c0db273b1..e6391a4e6649 100644
--- a/arch/arm/boot/dts/at91sam9g20ek_common.dtsi
+++ b/arch/arm/boot/dts/at91sam9g20ek_common.dtsi
@@ -126,14 +126,14 @@
 		#size-cells = <0>;
 
 		btn3 {
-			label = "Buttin 3";
+			label = "Button 3";
 			gpios = <&pioA 30 1>;
 			linux,code = <0x103>;
 			gpio-key,wakeup;
 		};
 
 		btn4 {
-			label = "Buttin 4";
+			label = "Button 4";
 			gpios = <&pioA 31 1>;
 			linux,code = <0x104>;
 			gpio-key,wakeup;
diff --git a/arch/arm/boot/dts/dbx5x0.dtsi b/arch/arm/boot/dts/dbx5x0.dtsi
index 748ba7aa746c..4b0e0ca08f40 100644
--- a/arch/arm/boot/dts/dbx5x0.dtsi
+++ b/arch/arm/boot/dts/dbx5x0.dtsi
@@ -483,6 +483,8 @@
 			compatible = "stericsson,db8500-i2c", "st,nomadik-i2c", "arm,primecell";
 			reg = <0x80004000 0x1000>;
 			interrupts = <0 21 0x4>;
+			arm,primecell-periphid = <0x180024>;
+
 			#address-cells = <1>;
 			#size-cells = <0>;
 			v-i2c-supply = <&db8500_vape_reg>;
@@ -494,6 +496,8 @@
 			compatible = "stericsson,db8500-i2c", "st,nomadik-i2c", "arm,primecell";
 			reg = <0x80122000 0x1000>;
 			interrupts = <0 22 0x4>;
+			arm,primecell-periphid = <0x180024>;
+
 			#address-cells = <1>;
 			#size-cells = <0>;
 			v-i2c-supply = <&db8500_vape_reg>;
@@ -505,6 +509,8 @@
 			compatible = "stericsson,db8500-i2c", "st,nomadik-i2c", "arm,primecell";
 			reg = <0x80128000 0x1000>;
 			interrupts = <0 55 0x4>;
+			arm,primecell-periphid = <0x180024>;
+
 			#address-cells = <1>;
 			#size-cells = <0>;
 			v-i2c-supply = <&db8500_vape_reg>;
@@ -516,6 +522,8 @@
 			compatible = "stericsson,db8500-i2c", "st,nomadik-i2c", "arm,primecell";
 			reg = <0x80110000 0x1000>;
 			interrupts = <0 12 0x4>;
+			arm,primecell-periphid = <0x180024>;
+
 			#address-cells = <1>;
 			#size-cells = <0>;
 			v-i2c-supply = <&db8500_vape_reg>;
@@ -527,6 +535,8 @@
 			compatible = "stericsson,db8500-i2c", "st,nomadik-i2c", "arm,primecell";
 			reg = <0x8012a000 0x1000>;
 			interrupts = <0 51 0x4>;
+			arm,primecell-periphid = <0x180024>;
+
 			#address-cells = <1>;
 			#size-cells = <0>;
 			v-i2c-supply = <&db8500_vape_reg>;
@@ -573,33 +583,38 @@
 			interrupts = <0 60 0x4>;
 			status = "disabled";
 		};
+
 		sdi@80118000 {
 			compatible = "arm,pl18x", "arm,primecell";
 			reg = <0x80118000 0x1000>;
 			interrupts = <0 50 0x4>;
 			status = "disabled";
 		};
+
 		sdi@80005000 {
 			compatible = "arm,pl18x", "arm,primecell";
 			reg = <0x80005000 0x1000>;
 			interrupts = <0 41 0x4>;
 			status = "disabled";
 		};
+
 		sdi@80119000 {
 			compatible = "arm,pl18x", "arm,primecell";
 			reg = <0x80119000 0x1000>;
 			interrupts = <0 59 0x4>;
 			status = "disabled";
 		};
+
 		sdi@80114000 {
 			compatible = "arm,pl18x", "arm,primecell";
 			reg = <0x80114000 0x1000>;
 			interrupts = <0 99 0x4>;
 			status = "disabled";
 		};
+
 		sdi@80008000 {
 			compatible = "arm,pl18x", "arm,primecell";
-			reg = <0x80114000 0x1000>;
+			reg = <0x80008000 0x1000>;
 			interrupts = <0 100 0x4>;
 			status = "disabled";
 		};
diff --git a/arch/arm/boot/dts/ecx-2000.dts b/arch/arm/boot/dts/ecx-2000.dts
new file mode 100644
index 000000000000..46477ac1de99
--- /dev/null
+++ b/arch/arm/boot/dts/ecx-2000.dts
@@ -0,0 +1,104 @@
+/*
+ * Copyright 2011-2012 Calxeda, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>.
+ */
+
+/dts-v1/;
+
+/* First 4KB has pen for secondary cores. */
+/memreserve/ 0x00000000 0x0001000;
+
+/ {
+	model = "Calxeda ECX-2000";
+	compatible = "calxeda,ecx-2000";
+	#address-cells = <2>;
+	#size-cells = <2>;
+	clock-ranges;
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu@0 {
+			compatible = "arm,cortex-a15";
+			reg = <0>;
+			clocks = <&a9pll>;
+			clock-names = "cpu";
+		};
+
+		cpu@1 {
+			compatible = "arm,cortex-a15";
+			reg = <1>;
+			clocks = <&a9pll>;
+			clock-names = "cpu";
+		};
+
+		cpu@2 {
+			compatible = "arm,cortex-a15";
+			reg = <2>;
+			clocks = <&a9pll>;
+			clock-names = "cpu";
+		};
+
+		cpu@3 {
+			compatible = "arm,cortex-a15";
+			reg = <3>;
+			clocks = <&a9pll>;
+			clock-names = "cpu";
+		};
+	};
+
+	memory@0 {
+		name = "memory";
+		device_type = "memory";
+		reg = <0x00000000 0x00000000 0x00000000 0xff800000>;
+	};
+
+	memory@200000000 {
+		name = "memory";
+		device_type = "memory";
+		reg = <0x00000002 0x00000000 0x00000003 0x00000000>;
+	};
+
+	soc {
+		ranges = <0x00000000 0x00000000 0x00000000 0xffffffff>;
+
+		timer {
+			compatible = "arm,cortex-a15-timer", "arm,armv7-timer"; 			interrupts = <1 13 0xf08>,
+				<1 14 0xf08>,
+				<1 11 0xf08>,
+				<1 10 0xf08>;
+		};
+
+		intc: interrupt-controller@fff11000 {
+			compatible = "arm,cortex-a15-gic";
+			#interrupt-cells = <3>;
+			#size-cells = <0>;
+			#address-cells = <1>;
+			interrupt-controller;
+			interrupts = <1 9 0xf04>;
+			reg = <0xfff11000 0x1000>,
+			      <0xfff12000 0x1000>,
+			      <0xfff14000 0x2000>,
+			      <0xfff16000 0x2000>;
+		};
+
+		pmu {
+			compatible = "arm,cortex-a9-pmu";
+			interrupts = <0 76 4  0 75 4  0 74 4  0 73 4>;
+		};
+	};
+};
+
+/include/ "ecx-common.dtsi"
diff --git a/arch/arm/boot/dts/ecx-common.dtsi b/arch/arm/boot/dts/ecx-common.dtsi
new file mode 100644
index 000000000000..d61b535f682a
--- /dev/null
+++ b/arch/arm/boot/dts/ecx-common.dtsi
@@ -0,0 +1,237 @@
+/*
+ * Copyright 2011-2012 Calxeda, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>.
+ */
+
+/ {
+	chosen {
+		bootargs = "console=ttyAMA0";
+	};
+
+	soc {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "simple-bus";
+		interrupt-parent = <&intc>;
+
+		sata@ffe08000 {
+			compatible = "calxeda,hb-ahci";
+			reg = <0xffe08000 0x10000>;
+			interrupts = <0 83 4>;
+			dma-coherent;
+			calxeda,port-phys = <&combophy5 0 &combophy0 0
+					     &combophy0 1 &combophy0 2
+					     &combophy0 3>;
+		};
+
+		sdhci@ffe0e000 {
+			compatible = "calxeda,hb-sdhci";
+			reg = <0xffe0e000 0x1000>;
+			interrupts = <0 90 4>;
+			clocks = <&eclk>;
+			status = "disabled";
+		};
+
+		memory-controller@fff00000 {
+			compatible = "calxeda,hb-ddr-ctrl";
+			reg = <0xfff00000 0x1000>;
+			interrupts = <0 91 4>;
+		};
+
+		ipc@fff20000 {
+			compatible = "arm,pl320", "arm,primecell";
+			reg = <0xfff20000 0x1000>;
+			interrupts = <0 7 4>;
+			clocks = <&pclk>;
+			clock-names = "apb_pclk";
+		};
+
+		gpioe: gpio@fff30000 {
+			#gpio-cells = <2>;
+			compatible = "arm,pl061", "arm,primecell";
+			gpio-controller;
+			reg = <0xfff30000 0x1000>;
+			interrupts = <0 14 4>;
+			clocks = <&pclk>;
+			clock-names = "apb_pclk";
+			status = "disabled";
+		};
+
+		gpiof: gpio@fff31000 {
+			#gpio-cells = <2>;
+			compatible = "arm,pl061", "arm,primecell";
+			gpio-controller;
+			reg = <0xfff31000 0x1000>;
+			interrupts = <0 15 4>;
+			clocks = <&pclk>;
+			clock-names = "apb_pclk";
+			status = "disabled";
+		};
+
+		gpiog: gpio@fff32000 {
+			#gpio-cells = <2>;
+			compatible = "arm,pl061", "arm,primecell";
+			gpio-controller;
+			reg = <0xfff32000 0x1000>;
+			interrupts = <0 16 4>;
+			clocks = <&pclk>;
+			clock-names = "apb_pclk";
+			status = "disabled";
+		};
+
+		gpioh: gpio@fff33000 {
+			#gpio-cells = <2>;
+			compatible = "arm,pl061", "arm,primecell";
+			gpio-controller;
+			reg = <0xfff33000 0x1000>;
+			interrupts = <0 17 4>;
+			clocks = <&pclk>;
+			clock-names = "apb_pclk";
+			status = "disabled";
+		};
+
+		timer@fff34000 {
+			compatible = "arm,sp804", "arm,primecell";
+			reg = <0xfff34000 0x1000>;
+			interrupts = <0 18 4>;
+			clocks = <&pclk>;
+			clock-names = "apb_pclk";
+		};
+
+		rtc@fff35000 {
+			compatible = "arm,pl031", "arm,primecell";
+			reg = <0xfff35000 0x1000>;
+			interrupts = <0 19 4>;
+			clocks = <&pclk>;
+			clock-names = "apb_pclk";
+		};
+
+		serial@fff36000 {
+			compatible = "arm,pl011", "arm,primecell";
+			reg = <0xfff36000 0x1000>;
+			interrupts = <0 20 4>;
+			clocks = <&pclk>;
+			clock-names = "apb_pclk";
+		};
+
+		smic@fff3a000 {
+			compatible = "ipmi-smic";
+			device_type = "ipmi";
+			reg = <0xfff3a000 0x1000>;
+			interrupts = <0 24 4>;
+			reg-size = <4>;
+			reg-spacing = <4>;
+		};
+
+		sregs@fff3c000 {
+			compatible = "calxeda,hb-sregs";
+			reg = <0xfff3c000 0x1000>;
+
+			clocks {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				osc: oscillator {
+					#clock-cells = <0>;
+					compatible = "fixed-clock";
+					clock-frequency = <33333000>;
+				};
+
+				ddrpll: ddrpll {
+					#clock-cells = <0>;
+					compatible = "calxeda,hb-pll-clock";
+					clocks = <&osc>;
+					reg = <0x108>;
+				};
+
+				a9pll: a9pll {
+					#clock-cells = <0>;
+					compatible = "calxeda,hb-pll-clock";
+					clocks = <&osc>;
+					reg = <0x100>;
+				};
+
+				a9periphclk: a9periphclk {
+					#clock-cells = <0>;
+					compatible = "calxeda,hb-a9periph-clock";
+					clocks = <&a9pll>;
+					reg = <0x104>;
+				};
+
+				a9bclk: a9bclk {
+					#clock-cells = <0>;
+					compatible = "calxeda,hb-a9bus-clock";
+					clocks = <&a9pll>;
+					reg = <0x104>;
+				};
+
+				emmcpll: emmcpll {
+					#clock-cells = <0>;
+					compatible = "calxeda,hb-pll-clock";
+					clocks = <&osc>;
+					reg = <0x10C>;
+				};
+
+				eclk: eclk {
+					#clock-cells = <0>;
+					compatible = "calxeda,hb-emmc-clock";
+					clocks = <&emmcpll>;
+					reg = <0x114>;
+				};
+
+				pclk: pclk {
+					#clock-cells = <0>;
+					compatible = "fixed-clock";
+					clock-frequency = <150000000>;
+				};
+			};
+		};
+
+		dma@fff3d000 {
+			compatible = "arm,pl330", "arm,primecell";
+			reg = <0xfff3d000 0x1000>;
+			interrupts = <0 92 4>;
+			clocks = <&pclk>;
+			clock-names = "apb_pclk";
+		};
+
+		ethernet@fff50000 {
+			compatible = "calxeda,hb-xgmac";
+			reg = <0xfff50000 0x1000>;
+			interrupts = <0 77 4  0 78 4  0 79 4>;
+			dma-coherent;
+		};
+
+		ethernet@fff51000 {
+			compatible = "calxeda,hb-xgmac";
+			reg = <0xfff51000 0x1000>;
+			interrupts = <0 80 4  0 81 4  0 82 4>;
+			dma-coherent;
+		};
+
+		combophy0: combo-phy@fff58000 {
+			compatible = "calxeda,hb-combophy";
+			#phy-cells = <1>;
+			reg = <0xfff58000 0x1000>;
+			phydev = <5>;
+		};
+
+		combophy5: combo-phy@fff5d000 {
+			compatible = "calxeda,hb-combophy";
+			#phy-cells = <1>;
+			reg = <0xfff5d000 0x1000>;
+			phydev = <31>;
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/exynos4210-trats.dts b/arch/arm/boot/dts/exynos4210-trats.dts
index 73567b843e72..a21511c14071 100644
--- a/arch/arm/boot/dts/exynos4210-trats.dts
+++ b/arch/arm/boot/dts/exynos4210-trats.dts
@@ -20,8 +20,10 @@
 	compatible = "samsung,trats", "samsung,exynos4210";
 
 	memory {
-		reg =  <0x40000000 0x20000000
-			0x60000000 0x20000000>;
+		reg =  <0x40000000 0x10000000
+			0x50000000 0x10000000
+			0x60000000 0x10000000
+			0x70000000 0x10000000>;
 	};
 
 	chosen {
diff --git a/arch/arm/boot/dts/highbank.dts b/arch/arm/boot/dts/highbank.dts
index 0c6fc34821f9..a9ae5d32e80d 100644
--- a/arch/arm/boot/dts/highbank.dts
+++ b/arch/arm/boot/dts/highbank.dts
@@ -69,16 +69,8 @@
 		reg = <0x00000000 0xff900000>;
 	};
 
-	chosen {
-		bootargs = "console=ttyAMA0";
-	};
-
 	soc {
-		#address-cells = <1>;
-		#size-cells = <1>;
-		compatible = "simple-bus";
-		interrupt-parent = <&intc>;
-		ranges;
+		ranges = <0x00000000 0x00000000 0xffffffff>;
 
 		timer@fff10600 {
 			compatible = "arm,cortex-a9-twd-timer";
@@ -117,173 +109,6 @@
 			interrupts = <0 76 4  0 75 4  0 74 4  0 73 4>;
 		};
 
-		sata@ffe08000 {
-			compatible = "calxeda,hb-ahci";
-			reg = <0xffe08000 0x10000>;
-			interrupts = <0 83 4>;
-			calxeda,port-phys = <&combophy5 0 &combophy0 0
-					     &combophy0 1 &combophy0 2
-					     &combophy0 3>;
-			dma-coherent;
-		};
-
-		sdhci@ffe0e000 {
-			compatible = "calxeda,hb-sdhci";
-			reg = <0xffe0e000 0x1000>;
-			interrupts = <0 90 4>;
-			clocks = <&eclk>;
-		};
-
-		memory-controller@fff00000 {
-			compatible = "calxeda,hb-ddr-ctrl";
-			reg = <0xfff00000 0x1000>;
-			interrupts = <0 91 4>;
-		};
-
-		ipc@fff20000 {
-			compatible = "arm,pl320", "arm,primecell";
-			reg = <0xfff20000 0x1000>;
-			interrupts = <0 7 4>;
-			clocks = <&pclk>;
-			clock-names = "apb_pclk";
-		};
-
-		gpioe: gpio@fff30000 {
-			#gpio-cells = <2>;
-			compatible = "arm,pl061", "arm,primecell";
-			gpio-controller;
-			reg = <0xfff30000 0x1000>;
-			interrupts = <0 14 4>;
-			clocks = <&pclk>;
-			clock-names = "apb_pclk";
-		};
-
-		gpiof: gpio@fff31000 {
-			#gpio-cells = <2>;
-			compatible = "arm,pl061", "arm,primecell";
-			gpio-controller;
-			reg = <0xfff31000 0x1000>;
-			interrupts = <0 15 4>;
-			clocks = <&pclk>;
-			clock-names = "apb_pclk";
-		};
-
-		gpiog: gpio@fff32000 {
-			#gpio-cells = <2>;
-			compatible = "arm,pl061", "arm,primecell";
-			gpio-controller;
-			reg = <0xfff32000 0x1000>;
-			interrupts = <0 16 4>;
-			clocks = <&pclk>;
-			clock-names = "apb_pclk";
-		};
-
-		gpioh: gpio@fff33000 {
-			#gpio-cells = <2>;
-			compatible = "arm,pl061", "arm,primecell";
-			gpio-controller;
-			reg = <0xfff33000 0x1000>;
-			interrupts = <0 17 4>;
-			clocks = <&pclk>;
-			clock-names = "apb_pclk";
-		};
-
-		timer {
-			compatible = "arm,sp804", "arm,primecell";
-			reg = <0xfff34000 0x1000>;
-			interrupts = <0 18 4>;
-			clocks = <&pclk>;
-			clock-names = "apb_pclk";
-		};
-
-		rtc@fff35000 {
-			compatible = "arm,pl031", "arm,primecell";
-			reg = <0xfff35000 0x1000>;
-			interrupts = <0 19 4>;
-			clocks = <&pclk>;
-			clock-names = "apb_pclk";
-		};
-
-		serial@fff36000 {
-			compatible = "arm,pl011", "arm,primecell";
-			reg = <0xfff36000 0x1000>;
-			interrupts = <0 20 4>;
-			clocks = <&pclk>;
-			clock-names = "apb_pclk";
-		};
-
-		smic@fff3a000 {
-			compatible = "ipmi-smic";
-			device_type = "ipmi";
-			reg = <0xfff3a000 0x1000>;
-			interrupts = <0 24 4>;
-			reg-size = <4>;
-			reg-spacing = <4>;
-		};
-
-		sregs@fff3c000 {
-			compatible = "calxeda,hb-sregs";
-			reg = <0xfff3c000 0x1000>;
-
-			clocks {
-				#address-cells = <1>;
-				#size-cells = <0>;
-
-				osc: oscillator {
-					#clock-cells = <0>;
-					compatible = "fixed-clock";
-					clock-frequency = <33333000>;
-				};
-
-				ddrpll: ddrpll {
-					#clock-cells = <0>;
-					compatible = "calxeda,hb-pll-clock";
-					clocks = <&osc>;
-					reg = <0x108>;
-				};
-
-				a9pll: a9pll {
-					#clock-cells = <0>;
-					compatible = "calxeda,hb-pll-clock";
-					clocks = <&osc>;
-					reg = <0x100>;
-				};
-
-				a9periphclk: a9periphclk {
-					#clock-cells = <0>;
-					compatible = "calxeda,hb-a9periph-clock";
-					clocks = <&a9pll>;
-					reg = <0x104>;
-				};
-
-				a9bclk: a9bclk {
-					#clock-cells = <0>;
-					compatible = "calxeda,hb-a9bus-clock";
-					clocks = <&a9pll>;
-					reg = <0x104>;
-				};
-
-				emmcpll: emmcpll {
-					#clock-cells = <0>;
-					compatible = "calxeda,hb-pll-clock";
-					clocks = <&osc>;
-					reg = <0x10C>;
-				};
-
-				eclk: eclk {
-					#clock-cells = <0>;
-					compatible = "calxeda,hb-emmc-clock";
-					clocks = <&emmcpll>;
-					reg = <0x114>;
-				};
-
-				pclk: pclk {
-					#clock-cells = <0>;
-					compatible = "fixed-clock";
-					clock-frequency = <150000000>;
-				};
-			};
-		};
 
 		sregs@fff3c200 {
 			compatible = "calxeda,hb-sregs-l2-ecc";
@@ -291,38 +116,7 @@
 			interrupts = <0 71 4  0 72 4>;
 		};
 
-		dma@fff3d000 {
-			compatible = "arm,pl330", "arm,primecell";
-			reg = <0xfff3d000 0x1000>;
-			interrupts = <0 92 4>;
-			clocks = <&pclk>;
-			clock-names = "apb_pclk";
-		};
-
-		ethernet@fff50000 {
-			compatible = "calxeda,hb-xgmac";
-			reg = <0xfff50000 0x1000>;
-			interrupts = <0 77 4  0 78 4  0 79 4>;
-		};
-
-		ethernet@fff51000 {
-			compatible = "calxeda,hb-xgmac";
-			reg = <0xfff51000 0x1000>;
-			interrupts = <0 80 4  0 81 4  0 82 4>;
-		};
-
-		combophy0: combo-phy@fff58000 {
-			compatible = "calxeda,hb-combophy";
-			#phy-cells = <1>;
-			reg = <0xfff58000 0x1000>;
-			phydev = <5>;
-		};
-
-		combophy5: combo-phy@fff5d000 {
-			compatible = "calxeda,hb-combophy";
-			#phy-cells = <1>;
-			reg = <0xfff5d000 0x1000>;
-			phydev = <31>;
-		};
 	};
 };
+
+/include/ "ecx-common.dtsi"
diff --git a/arch/arm/boot/dts/imx23.dtsi b/arch/arm/boot/dts/imx23.dtsi
index 9ca4ca70c1bc..6d31aa383460 100644
--- a/arch/arm/boot/dts/imx23.dtsi
+++ b/arch/arm/boot/dts/imx23.dtsi
@@ -69,6 +69,7 @@
 				interrupts = <13>, <56>;
 				interrupt-names = "gpmi-dma", "bch";
 				clocks = <&clks 34>;
+				clock-names = "gpmi_io";
 				fsl,gpmi-dma-channel = <4>;
 				status = "disabled";
 			};
diff --git a/arch/arm/boot/dts/imx28.dtsi b/arch/arm/boot/dts/imx28.dtsi
index e16d63155480..55c57ea6169e 100644
--- a/arch/arm/boot/dts/imx28.dtsi
+++ b/arch/arm/boot/dts/imx28.dtsi
@@ -85,6 +85,7 @@
 				interrupts = <88>, <41>;
 				interrupt-names = "gpmi-dma", "bch";
 				clocks = <&clks 50>;
+				clock-names = "gpmi_io";
 				fsl,gpmi-dma-channel = <4>;
 				status = "disabled";
 			};
diff --git a/arch/arm/boot/dts/omap3.dtsi b/arch/arm/boot/dts/omap3.dtsi
index f38ea8771b44..696e929d0304 100644
--- a/arch/arm/boot/dts/omap3.dtsi
+++ b/arch/arm/boot/dts/omap3.dtsi
@@ -257,7 +257,7 @@
 			interrupt-names = "common", "tx", "rx", "sidetone";
 			interrupt-parent = <&intc>;
 			ti,buffer-size = <1280>;
-			ti,hwmods = "mcbsp2";
+			ti,hwmods = "mcbsp2", "mcbsp2_sidetone";
 		};
 
 		mcbsp3: mcbsp@49024000 {
@@ -272,7 +272,7 @@
 			interrupt-names = "common", "tx", "rx", "sidetone";
 			interrupt-parent = <&intc>;
 			ti,buffer-size = <128>;
-			ti,hwmods = "mcbsp3";
+			ti,hwmods = "mcbsp3", "mcbsp3_sidetone";
 		};
 
 		mcbsp4: mcbsp@49026000 {
diff --git a/arch/arm/configs/imx_v6_v7_defconfig b/arch/arm/configs/imx_v6_v7_defconfig
index 66aa7a6db884..394ded624e37 100644
--- a/arch/arm/configs/imx_v6_v7_defconfig
+++ b/arch/arm/configs/imx_v6_v7_defconfig
@@ -139,6 +139,7 @@ CONFIG_I2C_IMX=y
 CONFIG_SPI=y
 CONFIG_SPI_IMX=y
 CONFIG_GPIO_SYSFS=y
+CONFIG_GPIO_MC9S08DZ60=y
 # CONFIG_HWMON is not set
 CONFIG_WATCHDOG=y
 CONFIG_IMX2_WDT=y
@@ -155,6 +156,7 @@ CONFIG_SOC_CAMERA=y
 CONFIG_SOC_CAMERA_OV2640=y
 CONFIG_VIDEO_MX3=y
 CONFIG_FB=y
+CONFIG_LCD_PLATFORM=y
 CONFIG_BACKLIGHT_LCD_SUPPORT=y
 CONFIG_LCD_CLASS_DEVICE=y
 CONFIG_LCD_L4F00242T03=y
diff --git a/arch/arm/configs/mvebu_defconfig b/arch/arm/configs/mvebu_defconfig
index 7bcf850eddcd..3458752c4bb2 100644
--- a/arch/arm/configs/mvebu_defconfig
+++ b/arch/arm/configs/mvebu_defconfig
@@ -1,6 +1,6 @@
 CONFIG_EXPERIMENTAL=y
 CONFIG_SYSVIPC=y
-CONFIG_NO_HZ=y
+CONFIG_IRQ_DOMAIN_DEBUG=y
 CONFIG_HIGH_RES_TIMERS=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
@@ -9,10 +9,12 @@ CONFIG_SLAB=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 CONFIG_ARCH_MVEBU=y
-CONFIG_MACH_ARMADA_370_XP=y
+CONFIG_MACH_ARMADA_370=y
+CONFIG_MACH_ARMADA_XP=y
+# CONFIG_CACHE_L2X0 is not set
 CONFIG_AEABI=y
 CONFIG_HIGHMEM=y
-CONFIG_USE_OF=y
+# CONFIG_COMPACTION is not set
 CONFIG_ZBOOT_ROM_TEXT=0x0
 CONFIG_ZBOOT_ROM_BSS=0x0
 CONFIG_ARM_APPENDED_DTB=y
@@ -23,6 +25,8 @@ CONFIG_SERIAL_8250_CONSOLE=y
 CONFIG_SERIAL_OF_PLATFORM=y
 CONFIG_GPIOLIB=y
 CONFIG_GPIO_SYSFS=y
+# CONFIG_USB_SUPPORT is not set
+# CONFIG_IOMMU_SUPPORT is not set
 CONFIG_EXT2_FS=y
 CONFIG_EXT3_FS=y
 # CONFIG_EXT3_FS_XATTR is not set
diff --git a/arch/arm/configs/versatile_defconfig b/arch/arm/configs/versatile_defconfig
index cdd4d2bd3962..2ba9e63d0f17 100644
--- a/arch/arm/configs/versatile_defconfig
+++ b/arch/arm/configs/versatile_defconfig
@@ -1,3 +1,4 @@
+CONFIG_ARCH_VERSATILE=y
 CONFIG_EXPERIMENTAL=y
 # CONFIG_LOCALVERSION_AUTO is not set
 CONFIG_SYSVIPC=y
diff --git a/arch/arm/include/asm/flat.h b/arch/arm/include/asm/flat.h
index 59426a4595c9..e847d23351ed 100644
--- a/arch/arm/include/asm/flat.h
+++ b/arch/arm/include/asm/flat.h
@@ -8,7 +8,7 @@
 #define	flat_argvp_envp_on_stack()		1
 #define	flat_old_ram_flag(flags)		(flags)
 #define	flat_reloc_valid(reloc, size)		((reloc) <= (size))
-#define	flat_get_addr_from_rp(rp, relval, flags, persistent) get_unaligned(rp)
+#define	flat_get_addr_from_rp(rp, relval, flags, persistent) ((void)persistent,get_unaligned(rp))
 #define	flat_put_addr_at_rp(rp, val, relval)	put_unaligned(val,rp)
 #define	flat_get_relocate_addr(rel)		(rel)
 #define	flat_set_persistent(relval, p)		0
diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h
index 77bd79f2ffdb..7e1f76027f66 100644
--- a/arch/arm/include/asm/uaccess.h
+++ b/arch/arm/include/asm/uaccess.h
@@ -200,8 +200,8 @@ extern int __put_user_8(void *, unsigned long long);
 #define USER_DS			KERNEL_DS
 
 #define segment_eq(a,b)		(1)
-#define __addr_ok(addr)		(1)
-#define __range_ok(addr,size)	(0)
+#define __addr_ok(addr)		((void)(addr),1)
+#define __range_ok(addr,size)	((void)(addr),0)
 #define get_fs()		(KERNEL_DS)
 
 static inline void set_fs(mm_segment_t fs)
diff --git a/arch/arm/include/asm/xen/interface.h b/arch/arm/include/asm/xen/interface.h
index ae05e56dd17d..5000397134b4 100644
--- a/arch/arm/include/asm/xen/interface.h
+++ b/arch/arm/include/asm/xen/interface.h
@@ -29,16 +29,22 @@
 
 #ifndef __ASSEMBLY__
 /* Explicitly size integers that represent pfns in the interface with
- * Xen so that we can have one ABI that works for 32 and 64 bit guests. */
+ * Xen so that we can have one ABI that works for 32 and 64 bit guests.
+ * Note that this means that the xen_pfn_t type may be capable of
+ * representing pfn's which the guest cannot represent in its own pfn
+ * type. However since pfn space is controlled by the guest this is
+ * fine since it simply wouldn't be able to create any sure pfns in
+ * the first place.
+ */
 typedef uint64_t xen_pfn_t;
+#define PRI_xen_pfn "llx"
 typedef uint64_t xen_ulong_t;
+#define PRI_xen_ulong "llx"
 /* Guest handles for primitive C types. */
 __DEFINE_GUEST_HANDLE(uchar, unsigned char);
 __DEFINE_GUEST_HANDLE(uint,  unsigned int);
-__DEFINE_GUEST_HANDLE(ulong, unsigned long);
 DEFINE_GUEST_HANDLE(char);
 DEFINE_GUEST_HANDLE(int);
-DEFINE_GUEST_HANDLE(long);
 DEFINE_GUEST_HANDLE(void);
 DEFINE_GUEST_HANDLE(uint64_t);
 DEFINE_GUEST_HANDLE(uint32_t);
diff --git a/arch/arm/include/asm/xen/page.h b/arch/arm/include/asm/xen/page.h
index 174202318dff..c6b9096cef95 100644
--- a/arch/arm/include/asm/xen/page.h
+++ b/arch/arm/include/asm/xen/page.h
@@ -10,7 +10,7 @@
 #include <xen/interface/grant_table.h>
 
 #define pfn_to_mfn(pfn)			(pfn)
-#define phys_to_machine_mapping_valid	(1)
+#define phys_to_machine_mapping_valid(pfn) (1)
 #define mfn_to_pfn(mfn)			(mfn)
 #define mfn_to_virt(m)			(__va(mfn_to_pfn(m) << PAGE_SHIFT))
 
@@ -30,6 +30,8 @@ typedef struct xpaddr {
 #define XMADDR(x)	((xmaddr_t) { .maddr = (x) })
 #define XPADDR(x)	((xpaddr_t) { .paddr = (x) })
 
+#define INVALID_P2M_ENTRY      (~0UL)
+
 static inline xmaddr_t phys_to_machine(xpaddr_t phys)
 {
 	unsigned offset = phys.paddr & ~PAGE_MASK;
@@ -74,9 +76,14 @@ static inline int m2p_remove_override(struct page *page, bool clear_pte)
 	return 0;
 }
 
+static inline bool __set_phys_to_machine(unsigned long pfn, unsigned long mfn)
+{
+	BUG_ON(pfn != mfn && mfn != INVALID_P2M_ENTRY);
+	return true;
+}
+
 static inline bool set_phys_to_machine(unsigned long pfn, unsigned long mfn)
 {
-	BUG();
-	return false;
+	return __set_phys_to_machine(pfn, mfn);
 }
 #endif /* _ASM_ARM_XEN_PAGE_H */
diff --git a/arch/arm/include/debug/8250_32.S b/arch/arm/include/debug/8250_32.S
new file mode 100644
index 000000000000..8db01eeabbb4
--- /dev/null
+++ b/arch/arm/include/debug/8250_32.S
@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2011 Picochip Ltd., Jamie Iles
+ *
+ * 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.
+ *
+ * Derived from arch/arm/mach-davinci/include/mach/debug-macro.S to use 32-bit
+ * accesses to the 8250.
+ */
+
+#include <linux/serial_reg.h>
+
+		.macro	senduart,rd,rx
+		str	\rd, [\rx, #UART_TX << UART_SHIFT]
+		.endm
+
+		.macro	busyuart,rd,rx
+1002:		ldr	\rd, [\rx, #UART_LSR << UART_SHIFT]
+		and	\rd, \rd, #UART_LSR_TEMT | UART_LSR_THRE
+		teq	\rd, #UART_LSR_TEMT | UART_LSR_THRE
+		bne	1002b
+		.endm
+
+		/* The UART's don't have any flow control IO's wired up. */
+		.macro	waituart,rd,rx
+		.endm
diff --git a/arch/arm/include/debug/picoxcell.S b/arch/arm/include/debug/picoxcell.S
index 7419deb1b948..bc1f07c49cd4 100644
--- a/arch/arm/include/debug/picoxcell.S
+++ b/arch/arm/include/debug/picoxcell.S
@@ -5,10 +5,7 @@
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  *
- * Derived from arch/arm/mach-davinci/include/mach/debug-macro.S to use 32-bit
- * accesses to the 8250.
  */
-#include <linux/serial_reg.h>
 
 #define UART_SHIFT 2
 #define PICOXCELL_UART1_BASE		0x80230000
@@ -19,17 +16,4 @@
 		ldr	\rp, =PICOXCELL_UART1_BASE
 		.endm
 
-		.macro	senduart,rd,rx
-		str	\rd, [\rx, #UART_TX << UART_SHIFT]
-		.endm
-
-		.macro	busyuart,rd,rx
-1002:		ldr	\rd, [\rx, #UART_LSR << UART_SHIFT]
-		and	\rd, \rd, #UART_LSR_TEMT | UART_LSR_THRE
-		teq	\rd, #UART_LSR_TEMT | UART_LSR_THRE
-		bne	1002b
-		.endm
-
-		/* The UART's don't have any flow control IO's wired up. */
-		.macro	waituart,rd,rx
-		.endm
+#include "8250_32.S"
diff --git a/arch/arm/include/debug/socfpga.S b/arch/arm/include/debug/socfpga.S
index d6f26d23374f..966b2f994946 100644
--- a/arch/arm/include/debug/socfpga.S
+++ b/arch/arm/include/debug/socfpga.S
@@ -7,6 +7,9 @@
  * published by the Free Software Foundation.
  */
 
+#define UART_SHIFT 2
+#define DEBUG_LL_UART_OFFSET	0x00002000
+
 		.macro	addruart, rp, rv, tmp
 		mov	\rp, #DEBUG_LL_UART_OFFSET
 		orr	\rp, \rp, #0x00c00000
@@ -14,3 +17,5 @@
 		orr	\rp, \rp, #0xff000000	@ physical base
 		.endm
 
+#include "8250_32.S"
+
diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c
index 16cedb42c0c3..896165096d6a 100644
--- a/arch/arm/kernel/irq.c
+++ b/arch/arm/kernel/irq.c
@@ -34,6 +34,7 @@
 #include <linux/list.h>
 #include <linux/kallsyms.h>
 #include <linux/proc_fs.h>
+#include <linux/export.h>
 
 #include <asm/exception.h>
 #include <asm/mach/arch.h>
@@ -109,6 +110,7 @@ void set_irq_flags(unsigned int irq, unsigned int iflags)
 	/* Order is clear bits in "clr" then set bits in "set" */
 	irq_modify_status(irq, clr, set & ~clr);
 }
+EXPORT_SYMBOL_GPL(set_irq_flags);
 
 void __init init_IRQ(void)
 {
diff --git a/arch/arm/kernel/kprobes-test-arm.c b/arch/arm/kernel/kprobes-test-arm.c
index 38c1a3b103a0..839312905067 100644
--- a/arch/arm/kernel/kprobes-test-arm.c
+++ b/arch/arm/kernel/kprobes-test-arm.c
@@ -366,7 +366,9 @@ void kprobe_arm_test_cases(void)
 	TEST_UNSUPPORTED(".word 0xe04f0392 @ umaal r0, pc, r2, r3")
 	TEST_UNSUPPORTED(".word 0xe0500090 @ undef")
 	TEST_UNSUPPORTED(".word 0xe05fff9f @ undef")
+#endif
 
+#if __LINUX_ARM_ARCH__ >= 7
 	TEST_RRR(  "mls		r0, r",1, VAL1,", r",2, VAL2,", r",3,  VAL3,"")
 	TEST_RRR(  "mlshi	r7, r",8, VAL3,", r",9, VAL1,", r",10, VAL2,"")
 	TEST_RR(   "mls		lr, r",1, VAL2,", r",2, VAL3,", r13")
@@ -456,6 +458,8 @@ void kprobe_arm_test_cases(void)
 	TEST_UNSUPPORTED(".word	0xe1700090") /* Unallocated space */
 #if __LINUX_ARM_ARCH__ >= 6
 	TEST_UNSUPPORTED("ldrex	r2, [sp]")
+#endif
+#if (__LINUX_ARM_ARCH__ >= 7) || defined(CONFIG_CPU_32v6K)
 	TEST_UNSUPPORTED("strexd	r0, r2, r3, [sp]")
 	TEST_UNSUPPORTED("ldrexd	r2, r3, [sp]")
 	TEST_UNSUPPORTED("strexb	r0, r2, [sp]")
diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c
index e29c3337ca81..8ef8c9337809 100644
--- a/arch/arm/kernel/machine_kexec.c
+++ b/arch/arm/kernel/machine_kexec.c
@@ -45,10 +45,9 @@ int machine_kexec_prepare(struct kimage *image)
 	for (i = 0; i < image->nr_segments; i++) {
 		current_segment = &image->segment[i];
 
-		err = memblock_is_region_memory(current_segment->mem,
-						current_segment->memsz);
-		if (err)
-			return - EINVAL;
+		if (!memblock_is_region_memory(current_segment->mem,
+					       current_segment->memsz))
+			return -EINVAL;
 
 		err = get_user(header, (__be32*)current_segment->buf);
 		if (err)
diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index 93971b1a4f0b..53c0304b734a 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -96,6 +96,10 @@ armpmu_event_set_period(struct perf_event *event,
 	s64 period = hwc->sample_period;
 	int ret = 0;
 
+	/* The period may have been changed by PERF_EVENT_IOC_PERIOD */
+	if (unlikely(period != hwc->last_period))
+		left = period - (hwc->last_period - left);
+
 	if (unlikely(left <= -period)) {
 		left = period;
 		local64_set(&hwc->period_left, left);
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 8e20754dd31d..fbc8b2623d82 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -294,18 +294,24 @@ static void percpu_timer_setup(void);
 asmlinkage void __cpuinit secondary_start_kernel(void)
 {
 	struct mm_struct *mm = &init_mm;
-	unsigned int cpu = smp_processor_id();
+	unsigned int cpu;
+
+	/*
+	 * The identity mapping is uncached (strongly ordered), so
+	 * switch away from it before attempting any exclusive accesses.
+	 */
+	cpu_switch_mm(mm->pgd, mm);
+	enter_lazy_tlb(mm, current);
+	local_flush_tlb_all();
 
 	/*
 	 * All kernel threads share the same mm context; grab a
 	 * reference and switch to it.
 	 */
+	cpu = smp_processor_id();
 	atomic_inc(&mm->mm_count);
 	current->active_mm = mm;
 	cpumask_set_cpu(cpu, mm_cpumask(mm));
-	cpu_switch_mm(mm->pgd, mm);
-	enter_lazy_tlb(mm, current);
-	local_flush_tlb_all();
 
 	printk("CPU%u: Booted secondary processor\n", cpu);
 
diff --git a/arch/arm/kernel/smp_twd.c b/arch/arm/kernel/smp_twd.c
index e1f906989bb8..6ec73f91a1d6 100644
--- a/arch/arm/kernel/smp_twd.c
+++ b/arch/arm/kernel/smp_twd.c
@@ -42,10 +42,10 @@ static void twd_set_mode(enum clock_event_mode mode,
 
 	switch (mode) {
 	case CLOCK_EVT_MODE_PERIODIC:
-		/* timer load already set up */
 		ctrl = TWD_TIMER_CONTROL_ENABLE | TWD_TIMER_CONTROL_IT_ENABLE
 			| TWD_TIMER_CONTROL_PERIODIC;
-		__raw_writel(twd_timer_rate / HZ, twd_base + TWD_TIMER_LOAD);
+		__raw_writel(DIV_ROUND_CLOSEST(twd_timer_rate, HZ),
+			twd_base + TWD_TIMER_LOAD);
 		break;
 	case CLOCK_EVT_MODE_ONESHOT:
 		/* period set, and timer enabled in 'next_event' hook */
@@ -366,10 +366,8 @@ void __init twd_local_timer_of_register(void)
 	int err;
 
 	np = of_find_matching_node(NULL, twd_of_match);
-	if (!np) {
-		err = -ENODEV;
-		goto out;
-	}
+	if (!np)
+		return -ENODEV;
 
 	twd_ppi = irq_of_parse_and_map(np, 0);
 	if (!twd_ppi) {
diff --git a/arch/arm/lib/delay.c b/arch/arm/lib/delay.c
index 9d0a30032d7f..0dc53854a5d8 100644
--- a/arch/arm/lib/delay.c
+++ b/arch/arm/lib/delay.c
@@ -45,6 +45,7 @@ int read_current_timer(unsigned long *timer_val)
 	*timer_val = delay_timer->read_current_timer();
 	return 0;
 }
+EXPORT_SYMBOL_GPL(read_current_timer);
 
 static void __timer_delay(unsigned long cycles)
 {
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index b14207101938..043624219b55 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -21,19 +21,13 @@ config SOC_AT91SAM9
 	bool
 	select CPU_ARM926T
 	select GENERIC_CLOCKEVENTS
+	select MULTI_IRQ_HANDLER
+	select SPARSE_IRQ
 
 menu "Atmel AT91 System-on-Chip"
 
 comment "Atmel AT91 Processor"
 
-config SOC_AT91SAM9
-	bool
-	select AT91_SAM9_SMC
-	select AT91_SAM9_TIME
-	select CPU_ARM926T
-	select MULTI_IRQ_HANDLER
-	select SPARSE_IRQ
-
 config SOC_AT91RM9200
 	bool "AT91RM9200"
 	select CPU_ARM920T
diff --git a/arch/arm/mach-at91/at91rm9200.c b/arch/arm/mach-at91/at91rm9200.c
index b4f0565aff63..5269825194a8 100644
--- a/arch/arm/mach-at91/at91rm9200.c
+++ b/arch/arm/mach-at91/at91rm9200.c
@@ -187,7 +187,7 @@ static struct clk_lookup periph_clocks_lookups[] = {
 	CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc0_clk),
 	CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk),
 	CLKDEV_CON_DEV_ID("pclk", "ssc.2", &ssc2_clk),
-	CLKDEV_CON_DEV_ID(NULL, "i2c-at91rm9200", &twi_clk),
+	CLKDEV_CON_DEV_ID(NULL, "i2c-at91rm9200.0", &twi_clk),
 	/* fake hclk clock */
 	CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &ohci_clk),
 	CLKDEV_CON_ID("pioA", &pioA_clk),
diff --git a/arch/arm/mach-at91/at91rm9200_devices.c b/arch/arm/mach-at91/at91rm9200_devices.c
index a563189cdfc3..1e122bcd7845 100644
--- a/arch/arm/mach-at91/at91rm9200_devices.c
+++ b/arch/arm/mach-at91/at91rm9200_devices.c
@@ -479,7 +479,7 @@ static struct i2c_gpio_platform_data pdata = {
 
 static struct platform_device at91rm9200_twi_device = {
 	.name			= "i2c-gpio",
-	.id			= -1,
+	.id			= 0,
 	.dev.platform_data	= &pdata,
 };
 
@@ -512,7 +512,7 @@ static struct resource twi_resources[] = {
 
 static struct platform_device at91rm9200_twi_device = {
 	.name		= "i2c-at91rm9200",
-	.id		= -1,
+	.id		= 0,
 	.resource	= twi_resources,
 	.num_resources	= ARRAY_SIZE(twi_resources),
 };
diff --git a/arch/arm/mach-at91/at91sam9260.c b/arch/arm/mach-at91/at91sam9260.c
index ad29f93f20ca..f8202615f4a8 100644
--- a/arch/arm/mach-at91/at91sam9260.c
+++ b/arch/arm/mach-at91/at91sam9260.c
@@ -211,8 +211,8 @@ static struct clk_lookup periph_clocks_lookups[] = {
 	CLKDEV_CON_DEV_ID("t1_clk", "atmel_tcb.1", &tc4_clk),
 	CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.1", &tc5_clk),
 	CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc_clk),
-	CLKDEV_CON_DEV_ID(NULL, "i2c-at91sam9260", &twi_clk),
-	CLKDEV_CON_DEV_ID(NULL, "i2c-at91sam9g20", &twi_clk),
+	CLKDEV_CON_DEV_ID(NULL, "i2c-at91sam9260.0", &twi_clk),
+	CLKDEV_CON_DEV_ID(NULL, "i2c-at91sam9g20.0", &twi_clk),
 	/* more usart lookup table for DT entries */
 	CLKDEV_CON_DEV_ID("usart", "fffff200.serial", &mck),
 	CLKDEV_CON_DEV_ID("usart", "fffb0000.serial", &usart0_clk),
diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c
index a76b8684f52d..aa1e58729885 100644
--- a/arch/arm/mach-at91/at91sam9260_devices.c
+++ b/arch/arm/mach-at91/at91sam9260_devices.c
@@ -389,7 +389,7 @@ static struct i2c_gpio_platform_data pdata = {
 
 static struct platform_device at91sam9260_twi_device = {
 	.name			= "i2c-gpio",
-	.id			= -1,
+	.id			= 0,
 	.dev.platform_data	= &pdata,
 };
 
@@ -421,7 +421,7 @@ static struct resource twi_resources[] = {
 };
 
 static struct platform_device at91sam9260_twi_device = {
-	.id		= -1,
+	.id		= 0,
 	.resource	= twi_resources,
 	.num_resources	= ARRAY_SIZE(twi_resources),
 };
diff --git a/arch/arm/mach-at91/at91sam9261.c b/arch/arm/mach-at91/at91sam9261.c
index 8d999eb1a137..04295c04b3e0 100644
--- a/arch/arm/mach-at91/at91sam9261.c
+++ b/arch/arm/mach-at91/at91sam9261.c
@@ -178,8 +178,8 @@ static struct clk_lookup periph_clocks_lookups[] = {
 	CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk),
 	CLKDEV_CON_DEV_ID("pclk", "ssc.2", &ssc2_clk),
 	CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &hck0),
-	CLKDEV_CON_DEV_ID(NULL, "i2c-at91sam9261", &twi_clk),
-	CLKDEV_CON_DEV_ID(NULL, "i2c-at91sam9g10", &twi_clk),
+	CLKDEV_CON_DEV_ID(NULL, "i2c-at91sam9261.0", &twi_clk),
+	CLKDEV_CON_DEV_ID(NULL, "i2c-at91sam9g10.0", &twi_clk),
 	CLKDEV_CON_ID("pioA", &pioA_clk),
 	CLKDEV_CON_ID("pioB", &pioB_clk),
 	CLKDEV_CON_ID("pioC", &pioC_clk),
diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c
index 9752f17efba9..b9487696b7be 100644
--- a/arch/arm/mach-at91/at91sam9261_devices.c
+++ b/arch/arm/mach-at91/at91sam9261_devices.c
@@ -285,7 +285,7 @@ static struct i2c_gpio_platform_data pdata = {
 
 static struct platform_device at91sam9261_twi_device = {
 	.name			= "i2c-gpio",
-	.id			= -1,
+	.id			= 0,
 	.dev.platform_data	= &pdata,
 };
 
@@ -317,7 +317,7 @@ static struct resource twi_resources[] = {
 };
 
 static struct platform_device at91sam9261_twi_device = {
-	.id		= -1,
+	.id		= 0,
 	.resource	= twi_resources,
 	.num_resources	= ARRAY_SIZE(twi_resources),
 };
diff --git a/arch/arm/mach-at91/at91sam9263.c b/arch/arm/mach-at91/at91sam9263.c
index 6a01d0360dfb..d6f9c23927c4 100644
--- a/arch/arm/mach-at91/at91sam9263.c
+++ b/arch/arm/mach-at91/at91sam9263.c
@@ -193,7 +193,7 @@ static struct clk_lookup periph_clocks_lookups[] = {
 	CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.0", &spi0_clk),
 	CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.1", &spi1_clk),
 	CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tcb_clk),
-	CLKDEV_CON_DEV_ID(NULL, "i2c-at91sam9260", &twi_clk),
+	CLKDEV_CON_DEV_ID(NULL, "i2c-at91sam9260.0", &twi_clk),
 	/* fake hclk clock */
 	CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &ohci_clk),
 	CLKDEV_CON_ID("pioA", &pioA_clk),
diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c
index 8dde220b42b6..cb85da2eccea 100644
--- a/arch/arm/mach-at91/at91sam9263_devices.c
+++ b/arch/arm/mach-at91/at91sam9263_devices.c
@@ -567,7 +567,7 @@ static struct i2c_gpio_platform_data pdata = {
 
 static struct platform_device at91sam9263_twi_device = {
 	.name			= "i2c-gpio",
-	.id			= -1,
+	.id			= 0,
 	.dev.platform_data	= &pdata,
 };
 
@@ -600,7 +600,7 @@ static struct resource twi_resources[] = {
 
 static struct platform_device at91sam9263_twi_device = {
 	.name		= "i2c-at91sam9260",
-	.id		= -1,
+	.id		= 0,
 	.resource	= twi_resources,
 	.num_resources	= ARRAY_SIZE(twi_resources),
 };
diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c
index d6ca0543ce8d..5047bdc92adf 100644
--- a/arch/arm/mach-at91/at91sam9rl_devices.c
+++ b/arch/arm/mach-at91/at91sam9rl_devices.c
@@ -314,7 +314,7 @@ static struct i2c_gpio_platform_data pdata = {
 
 static struct platform_device at91sam9rl_twi_device = {
 	.name			= "i2c-gpio",
-	.id			= -1,
+	.id			= 0,
 	.dev.platform_data	= &pdata,
 };
 
@@ -347,7 +347,7 @@ static struct resource twi_resources[] = {
 
 static struct platform_device at91sam9rl_twi_device = {
 	.name		= "i2c-at91sam9g20",
-	.id		= -1,
+	.id		= 0,
 	.resource	= twi_resources,
 	.num_resources	= ARRAY_SIZE(twi_resources),
 };
diff --git a/arch/arm/mach-at91/at91x40.c b/arch/arm/mach-at91/at91x40.c
index 6bd7300a2bc5..bb7f54474b92 100644
--- a/arch/arm/mach-at91/at91x40.c
+++ b/arch/arm/mach-at91/at91x40.c
@@ -88,6 +88,6 @@ void __init at91x40_init_interrupts(unsigned int priority[NR_AIC_IRQS])
 	if (!priority)
 		priority = at91x40_default_irq_priority;
 
-	at91_aic_init(priority);
+	at91_aic_init(priority, at91_extern_irq);
 }
 
diff --git a/arch/arm/mach-at91/board-neocore926.c b/arch/arm/mach-at91/board-neocore926.c
index 9cda3fd346ae..6960778af4c2 100644
--- a/arch/arm/mach-at91/board-neocore926.c
+++ b/arch/arm/mach-at91/board-neocore926.c
@@ -129,7 +129,7 @@ static struct spi_board_info neocore926_spi_devices[] = {
 		.max_speed_hz	= 125000 * 16,
 		.bus_num	= 0,
 		.platform_data	= &ads_info,
-		.irq		= AT91SAM9263_ID_IRQ1,
+		.irq		= NR_IRQS_LEGACY + AT91SAM9263_ID_IRQ1,
 	},
 #endif
 };
diff --git a/arch/arm/mach-at91/board-sam9261ek.c b/arch/arm/mach-at91/board-sam9261ek.c
index 27b3af1a3047..a9167dd45f96 100644
--- a/arch/arm/mach-at91/board-sam9261ek.c
+++ b/arch/arm/mach-at91/board-sam9261ek.c
@@ -309,7 +309,7 @@ static struct spi_board_info ek_spi_devices[] = {
 		.max_speed_hz	= 125000 * 26,	/* (max sample rate @ 3V) * (cmd + data + overhead) */
 		.bus_num	= 0,
 		.platform_data	= &ads_info,
-		.irq		= AT91SAM9261_ID_IRQ0,
+		.irq		= NR_IRQS_LEGACY + AT91SAM9261_ID_IRQ0,
 		.controller_data = (void *) AT91_PIN_PA28,	/* CS pin */
 	},
 #endif
diff --git a/arch/arm/mach-at91/board-sam9263ek.c b/arch/arm/mach-at91/board-sam9263ek.c
index 073e17403d98..b87dbe2be0d6 100644
--- a/arch/arm/mach-at91/board-sam9263ek.c
+++ b/arch/arm/mach-at91/board-sam9263ek.c
@@ -132,7 +132,7 @@ static struct spi_board_info ek_spi_devices[] = {
 		.max_speed_hz	= 125000 * 26,	/* (max sample rate @ 3V) * (cmd + data + overhead) */
 		.bus_num	= 0,
 		.platform_data	= &ads_info,
-		.irq		= AT91SAM9263_ID_IRQ1,
+		.irq		= NR_IRQS_LEGACY + AT91SAM9263_ID_IRQ1,
 	},
 #endif
 };
diff --git a/arch/arm/mach-at91/generic.h b/arch/arm/mach-at91/generic.h
index f49650677653..b62f560e6c75 100644
--- a/arch/arm/mach-at91/generic.h
+++ b/arch/arm/mach-at91/generic.h
@@ -26,7 +26,8 @@ extern void __init at91_dt_initialize(void);
 extern void __init at91_init_irq_default(void);
 extern void __init at91_init_interrupts(unsigned int priority[]);
 extern void __init at91x40_init_interrupts(unsigned int priority[]);
-extern void __init at91_aic_init(unsigned int priority[]);
+extern void __init at91_aic_init(unsigned int priority[],
+				 unsigned int ext_irq_mask);
 extern int  __init at91_aic_of_init(struct device_node *node,
 				    struct device_node *parent);
 extern int  __init at91_aic5_of_init(struct device_node *node,
diff --git a/arch/arm/mach-at91/irq.c b/arch/arm/mach-at91/irq.c
index 1e02c0e49dcc..febc2ee901a5 100644
--- a/arch/arm/mach-at91/irq.c
+++ b/arch/arm/mach-at91/irq.c
@@ -502,14 +502,19 @@ int __init at91_aic5_of_init(struct device_node *node,
 /*
  * Initialize the AIC interrupt controller.
  */
-void __init at91_aic_init(unsigned int *priority)
+void __init at91_aic_init(unsigned int *priority, unsigned int ext_irq_mask)
 {
 	unsigned int i;
 	int irq_base;
 
-	if (at91_aic_pm_init())
+	at91_extern_irq = kzalloc(BITS_TO_LONGS(n_irqs)
+				  * sizeof(*at91_extern_irq), GFP_KERNEL);
+
+	if (at91_aic_pm_init() || at91_extern_irq == NULL)
 		panic("Unable to allocate bit maps\n");
 
+	*at91_extern_irq = ext_irq_mask;
+
 	at91_aic_base = ioremap(AT91_AIC, 512);
 	if (!at91_aic_base)
 		panic("Unable to ioremap AIC registers\n");
diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c
index da9881b161e1..0b32c81730a5 100644
--- a/arch/arm/mach-at91/setup.c
+++ b/arch/arm/mach-at91/setup.c
@@ -47,7 +47,7 @@ void __init at91_init_irq_default(void)
 void __init at91_init_interrupts(unsigned int *priority)
 {
 	/* Initialize the AIC interrupt controller */
-	at91_aic_init(priority);
+	at91_aic_init(priority, at91_extern_irq);
 
 	/* Enable GPIO interrupts */
 	at91_gpio_irq_setup();
@@ -151,7 +151,7 @@ static void __init soc_detect(u32 dbgu_base)
 	}
 
 	/* at91sam9g10 */
-	if ((cidr & ~AT91_CIDR_EXT) == ARCH_ID_AT91SAM9G10) {
+	if ((socid & ~AT91_CIDR_EXT) == ARCH_ID_AT91SAM9G10) {
 		at91_soc_initdata.type = AT91_SOC_SAM9G10;
 		at91_boot_soc = at91sam9261_soc;
 	}
diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c
index 715b690e5009..1947be8e5f5b 100644
--- a/arch/arm/mach-exynos/common.c
+++ b/arch/arm/mach-exynos/common.c
@@ -47,6 +47,7 @@
 #include <plat/fimc-core.h>
 #include <plat/iic-core.h>
 #include <plat/tv-core.h>
+#include <plat/spi-core.h>
 #include <plat/regs-serial.h>
 
 #include "common.h"
@@ -346,6 +347,8 @@ static void __init exynos4_map_io(void)
 
 	s5p_fb_setname(0, "exynos4-fb");
 	s5p_hdmi_setname("exynos4-hdmi");
+
+	s3c64xx_spi_setname("exynos4210-spi");
 }
 
 static void __init exynos5_map_io(void)
@@ -366,6 +369,8 @@ static void __init exynos5_map_io(void)
 	s3c_i2c0_setname("s3c2440-i2c");
 	s3c_i2c1_setname("s3c2440-i2c");
 	s3c_i2c2_setname("s3c2440-i2c");
+
+	s3c64xx_spi_setname("exynos4210-spi");
 }
 
 static void __init exynos4_init_clocks(int xtal)
diff --git a/arch/arm/mach-exynos/mach-exynos4-dt.c b/arch/arm/mach-exynos/mach-exynos4-dt.c
index e58d786faf78..eadf4b59e7d2 100644
--- a/arch/arm/mach-exynos/mach-exynos4-dt.c
+++ b/arch/arm/mach-exynos/mach-exynos4-dt.c
@@ -99,6 +99,7 @@ static char const *exynos4_dt_compat[] __initdata = {
 
 DT_MACHINE_START(EXYNOS4210_DT, "Samsung Exynos4 (Flattened Device Tree)")
 	/* Maintainer: Thomas Abraham <thomas.abraham@linaro.org> */
+	.smp		= smp_ops(exynos_smp_ops),
 	.init_irq	= exynos4_init_irq,
 	.map_io		= exynos4_dt_map_io,
 	.handle_irq	= gic_handle_irq,
diff --git a/arch/arm/mach-highbank/Kconfig b/arch/arm/mach-highbank/Kconfig
index 0e1d0a42a3ea..551c97e87a78 100644
--- a/arch/arm/mach-highbank/Kconfig
+++ b/arch/arm/mach-highbank/Kconfig
@@ -1,5 +1,5 @@
 config ARCH_HIGHBANK
-	bool "Calxeda ECX-1000 (Highbank)" if ARCH_MULTI_V7
+	bool "Calxeda ECX-1000/2000 (Highbank/Midway)" if ARCH_MULTI_V7
 	select ARCH_WANT_OPTIONAL_GPIOLIB
 	select ARM_AMBA
 	select ARM_GIC
diff --git a/arch/arm/mach-highbank/highbank.c b/arch/arm/mach-highbank/highbank.c
index 40e36a50304c..3e60e5744157 100644
--- a/arch/arm/mach-highbank/highbank.c
+++ b/arch/arm/mach-highbank/highbank.c
@@ -26,32 +26,22 @@
 #include <linux/smp.h>
 #include <linux/amba/bus.h>
 
+#include <asm/arch_timer.h>
 #include <asm/cacheflush.h>
 #include <asm/smp_plat.h>
-#include <asm/smp_scu.h>
 #include <asm/smp_twd.h>
 #include <asm/hardware/arm_timer.h>
 #include <asm/hardware/timer-sp.h>
 #include <asm/hardware/gic.h>
 #include <asm/hardware/cache-l2x0.h>
 #include <asm/mach/arch.h>
-#include <asm/mach/map.h>
 #include <asm/mach/time.h>
 
 #include "core.h"
 #include "sysregs.h"
 
 void __iomem *sregs_base;
-
-#define HB_SCU_VIRT_BASE	0xfee00000
-void __iomem *scu_base_addr = ((void __iomem *)(HB_SCU_VIRT_BASE));
-
-static struct map_desc scu_io_desc __initdata = {
-	.virtual	= HB_SCU_VIRT_BASE,
-	.pfn		= 0, /* run-time */
-	.length		= SZ_4K,
-	.type		= MT_DEVICE,
-};
+void __iomem *scu_base_addr;
 
 static void __init highbank_scu_map_io(void)
 {
@@ -60,13 +50,11 @@ static void __init highbank_scu_map_io(void)
 	/* Get SCU base */
 	asm("mrc p15, 4, %0, c15, c0, 0" : "=r" (base));
 
-	scu_io_desc.pfn = __phys_to_pfn(base);
-	iotable_init(&scu_io_desc, 1);
+	scu_base_addr = ioremap(base, SZ_4K);
 }
 
 static void __init highbank_map_io(void)
 {
-	highbank_scu_map_io();
 	highbank_lluart_map_io();
 }
 
@@ -83,6 +71,7 @@ void highbank_set_cpu_jump(int cpu, void *jump_addr)
 }
 
 const static struct of_device_id irq_match[] = {
+	{ .compatible = "arm,cortex-a15-gic", .data = gic_of_init, },
 	{ .compatible = "arm,cortex-a9-gic", .data = gic_of_init, },
 	{}
 };
@@ -99,6 +88,9 @@ static void __init highbank_init_irq(void)
 {
 	of_irq_init(irq_match);
 
+	if (of_find_compatible_node(NULL, NULL, "arm,cortex-a9"))
+		highbank_scu_map_io();
+
 #ifdef CONFIG_CACHE_L2X0
 	/* Enable PL310 L2 Cache controller */
 	highbank_smc1(0x102, 0x1);
@@ -136,6 +128,9 @@ static void __init highbank_timer_init(void)
 	sp804_clockevents_init(timer_base, irq, "timer0");
 
 	twd_local_timer_of_register();
+
+	arch_timer_of_register();
+	arch_timer_sched_clock_init();
 }
 
 static struct sys_timer highbank_timer = {
@@ -145,7 +140,6 @@ static struct sys_timer highbank_timer = {
 static void highbank_power_off(void)
 {
 	hignbank_set_pwr_shutdown();
-	scu_power_mode(scu_base_addr, SCU_PM_POWEROFF);
 
 	while (1)
 		cpu_do_idle();
@@ -211,6 +205,7 @@ static void __init highbank_init(void)
 
 static const char *highbank_match[] __initconst = {
 	"calxeda,highbank",
+	"calxeda,ecx-2000",
 	NULL,
 };
 
diff --git a/arch/arm/mach-highbank/hotplug.c b/arch/arm/mach-highbank/hotplug.c
index 2c1b8c3c8e45..7b60faccd551 100644
--- a/arch/arm/mach-highbank/hotplug.c
+++ b/arch/arm/mach-highbank/hotplug.c
@@ -14,13 +14,11 @@
  * this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 #include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/smp.h>
 
-#include <asm/smp_scu.h>
 #include <asm/cacheflush.h>
 
 #include "core.h"
+#include "sysregs.h"
 
 extern void secondary_startup(void);
 
@@ -33,7 +31,7 @@ void __ref highbank_cpu_die(unsigned int cpu)
 	flush_cache_all();
 
 	highbank_set_cpu_jump(cpu, secondary_startup);
-	scu_power_mode(scu_base_addr, SCU_PM_POWEROFF);
+	highbank_set_core_pwr();
 
 	cpu_do_idle();
 
diff --git a/arch/arm/mach-highbank/platsmp.c b/arch/arm/mach-highbank/platsmp.c
index fa9560ec6e70..1129957f6c1d 100644
--- a/arch/arm/mach-highbank/platsmp.c
+++ b/arch/arm/mach-highbank/platsmp.c
@@ -42,9 +42,7 @@ static int __cpuinit highbank_boot_secondary(unsigned int cpu, struct task_struc
  */
 static void __init highbank_smp_init_cpus(void)
 {
-	unsigned int i, ncores;
-
-	ncores = scu_get_core_count(scu_base_addr);
+	unsigned int i, ncores = 4;
 
 	/* sanity check */
 	if (ncores > NR_CPUS) {
@@ -65,7 +63,8 @@ static void __init highbank_smp_prepare_cpus(unsigned int max_cpus)
 {
 	int i;
 
-	scu_enable(scu_base_addr);
+	if (scu_base_addr)
+		scu_enable(scu_base_addr);
 
 	/*
 	 * Write the address of secondary startup into the jump table
diff --git a/arch/arm/mach-highbank/pm.c b/arch/arm/mach-highbank/pm.c
index de866f21331f..74aa135966f0 100644
--- a/arch/arm/mach-highbank/pm.c
+++ b/arch/arm/mach-highbank/pm.c
@@ -19,7 +19,6 @@
 #include <linux/suspend.h>
 
 #include <asm/proc-fns.h>
-#include <asm/smp_scu.h>
 #include <asm/suspend.h>
 
 #include "core.h"
@@ -35,8 +34,6 @@ static int highbank_pm_enter(suspend_state_t state)
 {
 	hignbank_set_pwr_suspend();
 	highbank_set_cpu_jump(0, cpu_resume);
-
-	scu_power_mode(scu_base_addr, SCU_PM_POWEROFF);
 	cpu_suspend(0, highbank_suspend_finish);
 
 	return 0;
diff --git a/arch/arm/mach-highbank/sysregs.h b/arch/arm/mach-highbank/sysregs.h
index 0e913389f445..e13e8ea7c6cb 100644
--- a/arch/arm/mach-highbank/sysregs.h
+++ b/arch/arm/mach-highbank/sysregs.h
@@ -17,6 +17,10 @@
 #define _MACH_HIGHBANK__SYSREGS_H_
 
 #include <linux/io.h>
+#include <linux/smp.h>
+#include <asm/smp_plat.h>
+#include <asm/smp_scu.h>
+#include "core.h"
 
 extern void __iomem *sregs_base;
 
@@ -29,24 +33,39 @@ extern void __iomem *sregs_base;
 #define HB_PWR_HARD_RESET		2
 #define HB_PWR_SHUTDOWN			3
 
+#define SREG_CPU_PWR_CTRL(c)		(0x200 + ((c) * 4))
+
+static inline void highbank_set_core_pwr(void)
+{
+	int cpu = cpu_logical_map(smp_processor_id());
+	if (scu_base_addr)
+		scu_power_mode(scu_base_addr, SCU_PM_POWEROFF);
+	else
+		writel_relaxed(1, sregs_base + SREG_CPU_PWR_CTRL(cpu));
+}
+
 static inline void hignbank_set_pwr_suspend(void)
 {
 	writel(HB_PWR_SUSPEND, sregs_base + HB_SREG_A9_PWR_REQ);
+	highbank_set_core_pwr();
 }
 
 static inline void hignbank_set_pwr_shutdown(void)
 {
 	writel(HB_PWR_SHUTDOWN, sregs_base + HB_SREG_A9_PWR_REQ);
+	highbank_set_core_pwr();
 }
 
 static inline void hignbank_set_pwr_soft_reset(void)
 {
 	writel(HB_PWR_SOFT_RESET, sregs_base + HB_SREG_A9_PWR_REQ);
+	highbank_set_core_pwr();
 }
 
 static inline void hignbank_set_pwr_hard_reset(void)
 {
 	writel(HB_PWR_HARD_RESET, sregs_base + HB_SREG_A9_PWR_REQ);
+	highbank_set_core_pwr();
 }
 
 #endif
diff --git a/arch/arm/mach-highbank/system.c b/arch/arm/mach-highbank/system.c
index 82c27230d4a9..194a5bbb7363 100644
--- a/arch/arm/mach-highbank/system.c
+++ b/arch/arm/mach-highbank/system.c
@@ -14,7 +14,6 @@
  * this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 #include <linux/io.h>
-#include <asm/smp_scu.h>
 #include <asm/proc-fns.h>
 
 #include "core.h"
@@ -27,7 +26,6 @@ void highbank_restart(char mode, const char *cmd)
 	else
 		hignbank_set_pwr_soft_reset();
 
-	scu_power_mode(scu_base_addr, SCU_PM_POWEROFF);
 	cpu_do_idle();
 }
 
diff --git a/arch/arm/mach-imx/clk-busy.c b/arch/arm/mach-imx/clk-busy.c
index 1a7a8dd045a1..1ab91b5209e6 100644
--- a/arch/arm/mach-imx/clk-busy.c
+++ b/arch/arm/mach-imx/clk-busy.c
@@ -108,7 +108,7 @@ struct clk *imx_clk_busy_divider(const char *name, const char *parent_name,
 	busy->div.hw.init = &init;
 
 	clk = clk_register(NULL, &busy->div.hw);
-	if (!clk)
+	if (IS_ERR(clk))
 		kfree(busy);
 
 	return clk;
diff --git a/arch/arm/mach-imx/clk-imx25.c b/arch/arm/mach-imx/clk-imx25.c
index d20d4795f4ea..01e2f843bf2e 100644
--- a/arch/arm/mach-imx/clk-imx25.c
+++ b/arch/arm/mach-imx/clk-imx25.c
@@ -127,8 +127,8 @@ int __init mx25_clocks_init(void)
 	clk[esdhc2_ipg_per] = imx_clk_gate("esdhc2_ipg_per", "per4", ccm(CCM_CGCR0),  4);
 	clk[gpt_ipg_per] = imx_clk_gate("gpt_ipg_per", "per5", ccm(CCM_CGCR0),  5);
 	clk[i2c_ipg_per] = imx_clk_gate("i2c_ipg_per", "per6", ccm(CCM_CGCR0),  6);
-	clk[lcdc_ipg_per] = imx_clk_gate("lcdc_ipg_per", "per8", ccm(CCM_CGCR0),  7);
-	clk[nfc_ipg_per] = imx_clk_gate("nfc_ipg_per", "ipg_per", ccm(CCM_CGCR0),  8);
+	clk[lcdc_ipg_per] = imx_clk_gate("lcdc_ipg_per", "per7", ccm(CCM_CGCR0),  7);
+	clk[nfc_ipg_per] = imx_clk_gate("nfc_ipg_per", "per8", ccm(CCM_CGCR0),  8);
 	clk[ssi1_ipg_per] = imx_clk_gate("ssi1_ipg_per", "per13", ccm(CCM_CGCR0), 13);
 	clk[ssi2_ipg_per] = imx_clk_gate("ssi2_ipg_per", "per14", ccm(CCM_CGCR0), 14);
 	clk[uart_ipg_per] = imx_clk_gate("uart_ipg_per", "per15", ccm(CCM_CGCR0), 15);
diff --git a/arch/arm/mach-imx/clk-imx27.c b/arch/arm/mach-imx/clk-imx27.c
index 3b6b640eed24..366e5d59d886 100644
--- a/arch/arm/mach-imx/clk-imx27.c
+++ b/arch/arm/mach-imx/clk-imx27.c
@@ -109,7 +109,7 @@ int __init mx27_clocks_init(unsigned long fref)
 	clk[per3_div] = imx_clk_divider("per3_div", "mpll_main2", CCM_PCDR1, 16, 6);
 	clk[per4_div] = imx_clk_divider("per4_div", "mpll_main2", CCM_PCDR1, 24, 6);
 	clk[vpu_sel] = imx_clk_mux("vpu_sel", CCM_CSCR, 21, 1, vpu_sel_clks, ARRAY_SIZE(vpu_sel_clks));
-	clk[vpu_div] = imx_clk_divider("vpu_div", "vpu_sel", CCM_PCDR0, 10, 3);
+	clk[vpu_div] = imx_clk_divider("vpu_div", "vpu_sel", CCM_PCDR0, 10, 6);
 	clk[usb_div] = imx_clk_divider("usb_div", "spll", CCM_CSCR, 28, 3);
 	clk[cpu_sel] = imx_clk_mux("cpu_sel", CCM_CSCR, 15, 1, cpu_sel_clks, ARRAY_SIZE(cpu_sel_clks));
 	clk[clko_sel] = imx_clk_mux("clko_sel", CCM_CCSR, 0, 5, clko_sel_clks, ARRAY_SIZE(clko_sel_clks));
@@ -121,7 +121,7 @@ int __init mx27_clocks_init(unsigned long fref)
 	clk[ssi1_sel] = imx_clk_mux("ssi1_sel", CCM_CSCR, 22, 1, ssi_sel_clks, ARRAY_SIZE(ssi_sel_clks));
 	clk[ssi2_sel] = imx_clk_mux("ssi2_sel", CCM_CSCR, 23, 1, ssi_sel_clks, ARRAY_SIZE(ssi_sel_clks));
 	clk[ssi1_div] = imx_clk_divider("ssi1_div", "ssi1_sel", CCM_PCDR0, 16, 6);
-	clk[ssi2_div] = imx_clk_divider("ssi2_div", "ssi2_sel", CCM_PCDR0, 26, 3);
+	clk[ssi2_div] = imx_clk_divider("ssi2_div", "ssi2_sel", CCM_PCDR0, 26, 6);
 	clk[clko_en] = imx_clk_gate("clko_en", "clko_div", CCM_PCCR0, 0);
 	clk[ssi2_ipg_gate] = imx_clk_gate("ssi2_ipg_gate", "ipg", CCM_PCCR0, 0);
 	clk[ssi1_ipg_gate] = imx_clk_gate("ssi1_ipg_gate", "ipg", CCM_PCCR0, 1);
diff --git a/arch/arm/mach-imx/mm-imx3.c b/arch/arm/mach-imx/mm-imx3.c
index 9d2c843bde02..b5deb0554552 100644
--- a/arch/arm/mach-imx/mm-imx3.c
+++ b/arch/arm/mach-imx/mm-imx3.c
@@ -108,9 +108,8 @@ void __init imx3_init_l2x0(void)
 	}
 
 	l2x0_base = ioremap(MX3x_L2CC_BASE_ADDR, 4096);
-	if (IS_ERR(l2x0_base)) {
-		printk(KERN_ERR "remapping L2 cache area failed with %ld\n",
-				PTR_ERR(l2x0_base));
+	if (!l2x0_base) {
+		printk(KERN_ERR "remapping L2 cache area failed\n");
 		return;
 	}
 
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 2a1a898c7f90..d669e227e00c 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -11,7 +11,6 @@ config ARCH_OMAP2PLUS_TYPICAL
 	select I2C_OMAP
 	select MENELAUS if ARCH_OMAP2
 	select NEON if ARCH_OMAP3 || ARCH_OMAP4 || SOC_OMAP5
-	select PINCTRL
 	select PM_RUNTIME
 	select REGULATOR
 	select SERIAL_OMAP
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index 388c431c745a..d41ab98890ff 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -24,6 +24,7 @@
 #include <linux/input.h>
 #include <linux/gpio_keys.h>
 #include <linux/opp.h>
+#include <linux/cpu.h>
 
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
@@ -444,27 +445,31 @@ static struct omap_board_mux board_mux[] __initdata = {
 };
 #endif
 
-static void __init beagle_opp_init(void)
+static int __init beagle_opp_init(void)
 {
 	int r = 0;
 
-	/* Initialize the omap3 opp table */
-	if (omap3_opp_init()) {
+	if (!machine_is_omap3_beagle())
+		return 0;
+
+	/* Initialize the omap3 opp table if not already created. */
+	r = omap3_opp_init();
+	if (IS_ERR_VALUE(r) && (r != -EEXIST)) {
 		pr_err("%s: opp default init failed\n", __func__);
-		return;
+		return r;
 	}
 
 	/* Custom OPP enabled for all xM versions */
 	if (cpu_is_omap3630()) {
 		struct device *mpu_dev, *iva_dev;
 
-		mpu_dev = omap_device_get_by_hwmod_name("mpu");
+		mpu_dev = get_cpu_device(0);
 		iva_dev = omap_device_get_by_hwmod_name("iva");
 
 		if (IS_ERR(mpu_dev) || IS_ERR(iva_dev)) {
 			pr_err("%s: Aiee.. no mpu/dsp devices? %p %p\n",
 				__func__, mpu_dev, iva_dev);
-			return;
+			return -ENODEV;
 		}
 		/* Enable MPU 1GHz and lower opps */
 		r = opp_enable(mpu_dev, 800000000);
@@ -484,8 +489,9 @@ static void __init beagle_opp_init(void)
 			opp_disable(iva_dev, 660000000);
 		}
 	}
-	return;
+	return 0;
 }
+device_initcall(beagle_opp_init);
 
 static void __init omap3_beagle_init(void)
 {
@@ -522,8 +528,6 @@ static void __init omap3_beagle_init(void)
 	/* Ensure SDRC pins are mux'd for self-refresh */
 	omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
 	omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
-
-	beagle_opp_init();
 }
 
 MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
diff --git a/arch/arm/mach-omap2/clock33xx_data.c b/arch/arm/mach-omap2/clock33xx_data.c
index 114ab4b8e0e3..1a45d6bd2539 100644
--- a/arch/arm/mach-omap2/clock33xx_data.c
+++ b/arch/arm/mach-omap2/clock33xx_data.c
@@ -1073,6 +1073,8 @@ static struct omap_clk am33xx_clks[] = {
 	CLK(NULL,	"gfx_fck_div_ck",	&gfx_fck_div_ck,	CK_AM33XX),
 	CLK(NULL,	"sysclkout_pre_ck",	&sysclkout_pre_ck,	CK_AM33XX),
 	CLK(NULL,	"clkout2_ck",		&clkout2_ck,	CK_AM33XX),
+	CLK(NULL,	"timer_32k_ck",		&clkdiv32k_ick,	CK_AM33XX),
+	CLK(NULL,	"timer_sys_ck",		&sys_clkin_ck,	CK_AM33XX),
 };
 
 int __init am33xx_clk_init(void)
diff --git a/arch/arm/mach-omap2/mux34xx.c b/arch/arm/mach-omap2/mux34xx.c
index 17f80e4ab162..c47140bbbec4 100644
--- a/arch/arm/mach-omap2/mux34xx.c
+++ b/arch/arm/mach-omap2/mux34xx.c
@@ -614,16 +614,16 @@ static struct omap_mux __initdata omap3_muxmodes[] = {
 		"sys_off_mode", NULL, NULL, NULL,
 		"gpio_9", NULL, NULL, "safe_mode"),
 	_OMAP3_MUXENTRY(UART1_CTS, 150,
-		"uart1_cts", NULL, NULL, NULL,
+		"uart1_cts", "ssi1_rdy_tx", NULL, NULL,
 		"gpio_150", "hsusb3_tll_clk", NULL, "safe_mode"),
 	_OMAP3_MUXENTRY(UART1_RTS, 149,
-		"uart1_rts", NULL, NULL, NULL,
+		"uart1_rts", "ssi1_flag_tx", NULL, NULL,
 		"gpio_149", NULL, NULL, "safe_mode"),
 	_OMAP3_MUXENTRY(UART1_RX, 151,
-		"uart1_rx", NULL, "mcbsp1_clkr", "mcspi4_clk",
+		"uart1_rx", "ss1_wake_tx", "mcbsp1_clkr", "mcspi4_clk",
 		"gpio_151", NULL, NULL, "safe_mode"),
 	_OMAP3_MUXENTRY(UART1_TX, 148,
-		"uart1_tx", NULL, NULL, NULL,
+		"uart1_tx", "ssi1_dat_tx", NULL, NULL,
 		"gpio_148", NULL, NULL, "safe_mode"),
 	_OMAP3_MUXENTRY(UART2_CTS, 144,
 		"uart2_cts", "mcbsp3_dx", "gpt9_pwm_evt", NULL,
diff --git a/arch/arm/mach-omap2/pm.h b/arch/arm/mach-omap2/pm.h
index 686137d164da..67d66131cfa7 100644
--- a/arch/arm/mach-omap2/pm.h
+++ b/arch/arm/mach-omap2/pm.h
@@ -91,6 +91,7 @@ extern void omap3_save_scratchpad_contents(void);
 
 #define PM_RTA_ERRATUM_i608		(1 << 0)
 #define PM_SDRC_WAKEUP_ERRATUM_i583	(1 << 1)
+#define PM_PER_MEMORIES_ERRATUM_i582	(1 << 2)
 
 #if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3)
 extern u16 pm34xx_errata;
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index ba670db1fd37..3a904de4313e 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -652,14 +652,17 @@ static void __init pm_errata_configure(void)
 		/* Enable the l2 cache toggling in sleep logic */
 		enable_omap3630_toggle_l2_on_restore();
 		if (omap_rev() < OMAP3630_REV_ES1_2)
-			pm34xx_errata |= PM_SDRC_WAKEUP_ERRATUM_i583;
+			pm34xx_errata |= (PM_SDRC_WAKEUP_ERRATUM_i583 |
+					  PM_PER_MEMORIES_ERRATUM_i582);
+	} else if (cpu_is_omap34xx()) {
+		pm34xx_errata |= PM_PER_MEMORIES_ERRATUM_i582;
 	}
 }
 
 int __init omap3_pm_init(void)
 {
 	struct power_state *pwrst, *tmp;
-	struct clockdomain *neon_clkdm, *mpu_clkdm;
+	struct clockdomain *neon_clkdm, *mpu_clkdm, *per_clkdm, *wkup_clkdm;
 	int ret;
 
 	if (!omap3_has_io_chain_ctrl())
@@ -711,6 +714,8 @@ int __init omap3_pm_init(void)
 
 	neon_clkdm = clkdm_lookup("neon_clkdm");
 	mpu_clkdm = clkdm_lookup("mpu_clkdm");
+	per_clkdm = clkdm_lookup("per_clkdm");
+	wkup_clkdm = clkdm_lookup("wkup_clkdm");
 
 #ifdef CONFIG_SUSPEND
 	omap_pm_suspend = omap3_pm_suspend;
@@ -727,6 +732,27 @@ int __init omap3_pm_init(void)
 	if (IS_PM34XX_ERRATUM(PM_RTA_ERRATUM_i608))
 		omap3630_ctrl_disable_rta();
 
+	/*
+	 * The UART3/4 FIFO and the sidetone memory in McBSP2/3 are
+	 * not correctly reset when the PER powerdomain comes back
+	 * from OFF or OSWR when the CORE powerdomain is kept active.
+	 * See OMAP36xx Erratum i582 "PER Domain reset issue after
+	 * Domain-OFF/OSWR Wakeup".  This wakeup dependency is not a
+	 * complete workaround.  The kernel must also prevent the PER
+	 * powerdomain from going to OSWR/OFF while the CORE
+	 * powerdomain is not going to OSWR/OFF.  And if PER last
+	 * power state was off while CORE last power state was ON, the
+	 * UART3/4 and McBSP2/3 SIDETONE devices need to run a
+	 * self-test using their loopback tests; if that fails, those
+	 * devices are unusable until the PER/CORE can complete a transition
+	 * from ON to OSWR/OFF and then back to ON.
+	 *
+	 * XXX Technically this workaround is only needed if off-mode
+	 * or OSWR is enabled.
+	 */
+	if (IS_PM34XX_ERRATUM(PM_PER_MEMORIES_ERRATUM_i582))
+		clkdm_add_wkdep(per_clkdm, wkup_clkdm);
+
 	clkdm_add_wkdep(neon_clkdm, mpu_clkdm);
 	if (omap_type() != OMAP2_DEVICE_TYPE_GP) {
 		omap3_secure_ram_storage =
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index 0405c8190803..a507cd6cf4f1 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -329,6 +329,11 @@ void __init omap_serial_init_port(struct omap_board_data *bdata,
 
 	oh->mux = omap_hwmod_mux_init(bdata->pads, bdata->pads_cnt);
 
+	if (console_uart_id == bdata->id) {
+		omap_device_enable(pdev);
+		pm_runtime_set_active(&pdev->dev);
+	}
+
 	oh->dev_attr = uart;
 
 	if (((cpu_is_omap34xx() || cpu_is_omap44xx()) && bdata->pads)
diff --git a/arch/arm/mach-s3c24xx/s3c2416.c b/arch/arm/mach-s3c24xx/s3c2416.c
index ed5a95ece9eb..77ee0b732237 100644
--- a/arch/arm/mach-s3c24xx/s3c2416.c
+++ b/arch/arm/mach-s3c24xx/s3c2416.c
@@ -61,6 +61,7 @@
 #include <plat/nand-core.h>
 #include <plat/adc-core.h>
 #include <plat/rtc-core.h>
+#include <plat/spi-core.h>
 
 static struct map_desc s3c2416_iodesc[] __initdata = {
 	IODESC_ENT(WATCHDOG),
@@ -132,6 +133,7 @@ void __init s3c2416_map_io(void)
 	/* initialize device information early */
 	s3c2416_default_sdhci0();
 	s3c2416_default_sdhci1();
+	s3c64xx_spi_setname("s3c2443-spi");
 
 	iotable_init(s3c2416_iodesc, ARRAY_SIZE(s3c2416_iodesc));
 }
diff --git a/arch/arm/mach-s3c24xx/s3c2443.c b/arch/arm/mach-s3c24xx/s3c2443.c
index ab648ad8fa50..165b6a6b3daa 100644
--- a/arch/arm/mach-s3c24xx/s3c2443.c
+++ b/arch/arm/mach-s3c24xx/s3c2443.c
@@ -43,6 +43,7 @@
 #include <plat/nand-core.h>
 #include <plat/adc-core.h>
 #include <plat/rtc-core.h>
+#include <plat/spi-core.h>
 
 static struct map_desc s3c2443_iodesc[] __initdata = {
 	IODESC_ENT(WATCHDOG),
@@ -100,6 +101,9 @@ void __init s3c2443_map_io(void)
 	s3c24xx_gpiocfg_default.set_pull = s3c2443_gpio_setpull;
 	s3c24xx_gpiocfg_default.get_pull = s3c2443_gpio_getpull;
 
+	/* initialize device information early */
+	s3c64xx_spi_setname("s3c2443-spi");
+
 	iotable_init(s3c2443_iodesc, ARRAY_SIZE(s3c2443_iodesc));
 }
 
diff --git a/arch/arm/mach-s5p64x0/common.c b/arch/arm/mach-s5p64x0/common.c
index 6e6a0a9d6778..111e404a81fd 100644
--- a/arch/arm/mach-s5p64x0/common.c
+++ b/arch/arm/mach-s5p64x0/common.c
@@ -44,6 +44,7 @@
 #include <plat/sdhci.h>
 #include <plat/adc-core.h>
 #include <plat/fb-core.h>
+#include <plat/spi-core.h>
 #include <plat/gpio-cfg.h>
 #include <plat/regs-irqtype.h>
 #include <plat/regs-serial.h>
@@ -179,6 +180,7 @@ void __init s5p6440_map_io(void)
 	/* initialize any device information early */
 	s3c_adc_setname("s3c64xx-adc");
 	s3c_fb_setname("s5p64x0-fb");
+	s3c64xx_spi_setname("s5p64x0-spi");
 
 	s5p64x0_default_sdhci0();
 	s5p64x0_default_sdhci1();
@@ -193,6 +195,7 @@ void __init s5p6450_map_io(void)
 	/* initialize any device information early */
 	s3c_adc_setname("s3c64xx-adc");
 	s3c_fb_setname("s5p64x0-fb");
+	s3c64xx_spi_setname("s5p64x0-spi");
 
 	s5p64x0_default_sdhci0();
 	s5p64x0_default_sdhci1();
diff --git a/arch/arm/mach-s5pc100/common.c b/arch/arm/mach-s5pc100/common.c
index 621908658861..cc6e561c9958 100644
--- a/arch/arm/mach-s5pc100/common.c
+++ b/arch/arm/mach-s5pc100/common.c
@@ -45,6 +45,7 @@
 #include <plat/fb-core.h>
 #include <plat/iic-core.h>
 #include <plat/onenand-core.h>
+#include <plat/spi-core.h>
 #include <plat/regs-serial.h>
 #include <plat/watchdog-reset.h>
 
@@ -165,6 +166,8 @@ void __init s5pc100_map_io(void)
 	s3c_onenand_setname("s5pc100-onenand");
 	s3c_fb_setname("s5pc100-fb");
 	s3c_cfcon_setname("s5pc100-pata");
+
+	s3c64xx_spi_setname("s5pc100-spi");
 }
 
 void __init s5pc100_init_clocks(int xtal)
diff --git a/arch/arm/mach-s5pv210/common.c b/arch/arm/mach-s5pv210/common.c
index 4c9e9027df9a..a0c50efe8145 100644
--- a/arch/arm/mach-s5pv210/common.c
+++ b/arch/arm/mach-s5pv210/common.c
@@ -43,6 +43,7 @@
 #include <plat/iic-core.h>
 #include <plat/keypad-core.h>
 #include <plat/tv-core.h>
+#include <plat/spi-core.h>
 #include <plat/regs-serial.h>
 
 #include "common.h"
@@ -196,6 +197,8 @@ void __init s5pv210_map_io(void)
 
 	/* setup TV devices */
 	s5p_hdmi_setname("s5pv210-hdmi");
+
+	s3c64xx_spi_setname("s5pv210-spi");
 }
 
 void __init s5pv210_init_clocks(int xtal)
diff --git a/arch/arm/mach-shmobile/setup-r8a7779.c b/arch/arm/mach-shmobile/setup-r8a7779.c
index 63de5cb28e4a..7a1ad4f38539 100644
--- a/arch/arm/mach-shmobile/setup-r8a7779.c
+++ b/arch/arm/mach-shmobile/setup-r8a7779.c
@@ -324,7 +324,7 @@ void __init r8a7779_add_standard_devices(void)
 {
 #ifdef CONFIG_CACHE_L2X0
 	/* Early BRESP enable, Shared attribute override enable, 64K*16way */
-	l2x0_init((void __iomem __force *)(0xf0100000), 0x40470000, 0x82000fff);
+	l2x0_init(IOMEM(0xf0100000), 0x40470000, 0x82000fff);
 #endif
 	r8a7779_pm_init();
 
diff --git a/arch/arm/mach-spear13xx/include/mach/spear1310_misc_regs.h b/arch/arm/mach-spear13xx/include/mach/spear1310_misc_regs.h
deleted file mode 100644
index e69de29bb2d1..000000000000
--- a/arch/arm/mach-spear13xx/include/mach/spear1310_misc_regs.h
+++ /dev/null
diff --git a/arch/arm/mach-spear13xx/include/mach/spear1340_misc_regs.h b/arch/arm/mach-spear13xx/include/mach/spear1340_misc_regs.h
deleted file mode 100644
index e69de29bb2d1..000000000000
--- a/arch/arm/mach-spear13xx/include/mach/spear1340_misc_regs.h
+++ /dev/null
diff --git a/arch/arm/mach-ux500/cpu.c b/arch/arm/mach-ux500/cpu.c
index 2236cbd03cd7..1f3fbc2bb776 100644
--- a/arch/arm/mach-ux500/cpu.c
+++ b/arch/arm/mach-ux500/cpu.c
@@ -16,6 +16,7 @@
 #include <linux/stat.h>
 #include <linux/of.h>
 #include <linux/of_irq.h>
+#include <linux/irq.h>
 #include <linux/platform_data/clk-ux500.h>
 
 #include <asm/hardware/gic.h>
diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c
index b9f60ebe3bc4..023f443784ec 100644
--- a/arch/arm/mm/alignment.c
+++ b/arch/arm/mm/alignment.c
@@ -856,8 +856,10 @@ do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
 		if (thumb2_32b) {
 			offset.un = 0;
 			handler = do_alignment_t32_to_handler(&instr, regs, &offset);
-		} else
+		} else {
+			offset.un = 0;
 			handler = do_alignment_ldmstm;
+		}
 		break;
 
 	default:
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 477a2d23ddf1..58bc3e4d3bd0 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -610,7 +610,7 @@ static void *__dma_alloc(struct device *dev, size_t size, dma_addr_t *handle,
 			 gfp_t gfp, pgprot_t prot, bool is_coherent, const void *caller)
 {
 	u64 mask = get_coherent_dma_mask(dev);
-	struct page *page;
+	struct page *page = NULL;
 	void *addr;
 
 #ifdef CONFIG_DMA_API_DEBUG
diff --git a/arch/arm/mm/vmregion.h b/arch/arm/mm/vmregion.h
index bf312c354a21..0f5a5f2a2c7b 100644
--- a/arch/arm/mm/vmregion.h
+++ b/arch/arm/mm/vmregion.h
@@ -17,7 +17,6 @@ struct arm_vmregion {
 	struct list_head	vm_list;
 	unsigned long		vm_start;
 	unsigned long		vm_end;
-	void			*priv;
 	int			vm_active;
 	const void		*caller;
 };
diff --git a/arch/arm/plat-mxc/devices/platform-mxc-mmc.c b/arch/arm/plat-mxc/devices/platform-mxc-mmc.c
index 540d3a7d92df..e7b920b58675 100644
--- a/arch/arm/plat-mxc/devices/platform-mxc-mmc.c
+++ b/arch/arm/plat-mxc/devices/platform-mxc-mmc.c
@@ -55,7 +55,7 @@ struct platform_device *__init imx_add_mxc_mmc(
 	struct resource res[] = {
 		{
 			.start = data->iobase,
-			.end = data->iobase + SZ_4K - 1,
+			.end = data->iobase + data->iosize - 1,
 			.flags = IORESOURCE_MEM,
 		}, {
 			.start = data->irq,
diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig
index 7cd56ed5cd94..82fcb206b5b2 100644
--- a/arch/arm/plat-omap/Kconfig
+++ b/arch/arm/plat-omap/Kconfig
@@ -26,6 +26,7 @@ config ARCH_OMAP2PLUS
 	select CLKDEV_LOOKUP
 	select GENERIC_IRQ_CHIP
 	select OMAP_DM_TIMER
+	select PINCTRL
 	select PROC_DEVICETREE if PROC_FS
 	select SPARSE_IRQ
 	select USE_OF
diff --git a/arch/arm/plat-omap/include/plat/omap-serial.h b/arch/arm/plat-omap/include/plat/omap-serial.h
index f4a4cd014795..1957a8516e93 100644
--- a/arch/arm/plat-omap/include/plat/omap-serial.h
+++ b/arch/arm/plat-omap/include/plat/omap-serial.h
@@ -40,10 +40,10 @@
 #define OMAP_UART_WER_MOD_WKUP	0X7F
 
 /* Enable XON/XOFF flow control on output */
-#define OMAP_UART_SW_TX		0x8
+#define OMAP_UART_SW_TX		0x04
 
 /* Enable XON/XOFF flow control on input */
-#define OMAP_UART_SW_RX		0x2
+#define OMAP_UART_SW_RX		0x04
 
 #define OMAP_UART_SYSC_RESET	0X07
 #define OMAP_UART_TCR_TRIG	0X0F
diff --git a/arch/arm/plat-samsung/include/plat/spi-core.h b/arch/arm/plat-samsung/include/plat/spi-core.h
new file mode 100644
index 000000000000..0b9428ab3fc3
--- /dev/null
+++ b/arch/arm/plat-samsung/include/plat/spi-core.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2012 Heiko Stuebner <heiko@sntech.de>
+ *
+ * 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 __PLAT_S3C_SPI_CORE_H
+#define __PLAT_S3C_SPI_CORE_H
+
+/* These functions are only for use with the core support code, such as
+ * the cpu specific initialisation code
+ */
+
+/* re-define device name depending on support. */
+static inline void s3c64xx_spi_setname(char *name)
+{
+#ifdef CONFIG_S3C64XX_DEV_SPI0
+	s3c64xx_device_spi0.name = name;
+#endif
+#ifdef CONFIG_S3C64XX_DEV_SPI1
+	s3c64xx_device_spi1.name = name;
+#endif
+#ifdef CONFIG_S3C64XX_DEV_SPI2
+	s3c64xx_device_spi2.name = name;
+#endif
+}
+
+#endif /* __PLAT_S3C_SPI_CORE_H */
diff --git a/arch/arm/tools/Makefile b/arch/arm/tools/Makefile
index 635cb1865e4d..cd60a81163e9 100644
--- a/arch/arm/tools/Makefile
+++ b/arch/arm/tools/Makefile
@@ -5,6 +5,6 @@
 #
 
 include/generated/mach-types.h: $(src)/gen-mach-types $(src)/mach-types
-	@echo '  Generating $@'
+	$(kecho) '  Generating $@'
 	@mkdir -p $(dir $@)
 	$(Q)$(AWK) -f $^ > $@ || { rm -f $@; /bin/false; }
diff --git a/arch/arm/xen/grant-table.c b/arch/arm/xen/grant-table.c
index dbd1330c0196..859a9bb002d5 100644
--- a/arch/arm/xen/grant-table.c
+++ b/arch/arm/xen/grant-table.c
@@ -33,7 +33,7 @@
 #include <xen/page.h>
 #include <xen/grant_table.h>
 
-int arch_gnttab_map_shared(unsigned long *frames, unsigned long nr_gframes,
+int arch_gnttab_map_shared(xen_pfn_t *frames, unsigned long nr_gframes,
 			   unsigned long max_nr_gframes,
 			   void **__shared)
 {