48 files changed, 207 insertions, 122 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 73067efd4845..ade7e924bef5 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 c1ce813fcc4a..f37cf9fa5fa0 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -25,6 +25,8 @@ dtb-$(CONFIG_ARCH_EXYNOS) += exynos4210-origen.dtb \
         exynos4210-trats.dtb \
         exynos5250-smdk5250.dtb
 dtb-$(CONFIG_ARCH_HIGHBANK) += highbank.dtb
+dtb-$(CONFIG_ARCH_INTEGRATOR) += integratorap.dtb \
+        integratorcp.dtb
 dtb-$(CONFIG_ARCH_LPC32XX) += ea3250.dtb phy3250.dtb
 dtb-$(CONFIG_ARCH_KIRKWOOD) += kirkwood-dns320.dtb \
         kirkwood-dns325.dtb \
diff --git a/arch/arm/boot/dts/dove.dtsi b/arch/arm/boot/dts/dove.dtsi
index 96fb824b5e6e..5a00022383e7 100644
--- a/arch/arm/boot/dts/dove.dtsi
+++ b/arch/arm/boot/dts/dove.dtsi
@@ -4,21 +4,32 @@
         compatible = "marvell,dove";
         model = "Marvell Armada 88AP510 SoC";
 
-        interrupt-parent = <&intc>;
-
-        intc: interrupt-controller {
-                compatible = "marvell,orion-intc";
-                interrupt-controller;
-                #interrupt-cells = <1>;
-                reg = <0xf1020204 0x04>,
-                      <0xf1020214 0x04>;
-        };
-
-        mbus@f1000000 {
+        soc@f1000000 {
                 compatible = "simple-bus";
-                ranges = <0 0xf1000000 0x4000000>;
                 #address-cells = <1>;
                 #size-cells = <1>;
+                interrupt-parent = <&intc>;
+
+                ranges = <0xc8000000 0xc8000000 0x0100000   /* CESA SRAM   1M */
+                          0xe0000000 0xe0000000 0x8000000   /* PCIe0 Mem 128M */
+                          0xe8000000 0xe8000000 0x8000000   /* PCIe1 Mem 128M */
+                          0xf0000000 0xf0000000 0x0100000   /* ScratchPad  1M */
+                          0x00000000 0xf1000000 0x1000000   /* SB/NB regs 16M */
+                          0xf2000000 0xf2000000 0x0100000   /* PCIe0 I/O   1M */
+                          0xf2100000 0xf2100000 0x0100000   /* PCIe0 I/O   1M */
+                          0xf8000000 0xf8000000 0x8000000>; /* BootROM   128M */
+
+                l2: l2-cache {
+                        compatible = "marvell,tauros2-cache";
+                        marvell,tauros2-cache-features = <0>;
+                };
+
+                intc: interrupt-controller {
+                        compatible = "marvell,orion-intc";
+                        interrupt-controller;
+                        #interrupt-cells = <1>;
+                        reg = <0x20204 0x04>, <0x20214 0x04>;
+                };
 
                 uart0: serial@12000 {
                         compatible = "ns16550a";
@@ -56,11 +67,6 @@
                         status = "disabled";
                 };
 
-                wdt: wdt@20300 {
-                        compatible = "marvell,orion-wdt";
-                        reg = <0x20300 0x28>;
-                };
-
                 gpio0: gpio@d0400 {
                         compatible = "marvell,orion-gpio";
                         #gpio-cells = <2>;
@@ -139,5 +145,14 @@
                         nr-ports = <1>;
                         status = "disabled";
                 };
+
+                crypto: crypto@30000 {
+                        compatible = "marvell,orion-crypto";
+                        reg = <0x30000 0x10000>,
+                              <0xc8000000 0x800>;
+                        reg-names = "regs", "sram";
+                        interrupts = <31>;
+                        status = "okay";
+                };
         };
 };
diff --git a/arch/arm/boot/dts/imx6q-arm2.dts b/arch/arm/boot/dts/imx6q-arm2.dts
index 15df4c105e89..5bfa02a3f85c 100644
--- a/arch/arm/boot/dts/imx6q-arm2.dts
+++ b/arch/arm/boot/dts/imx6q-arm2.dts
@@ -37,6 +37,13 @@
                                         pinctrl_hog: hoggrp {
                                                 fsl,pins = <
                                                         176  0x80000000 /* MX6Q_PAD_EIM_D25__GPIO_3_25 */
+                                                >;
+                                        };
+                                };
+
+                                arm2 {
+                                        pinctrl_usdhc3_arm2: usdhc3grp-arm2 {
+                                                fsl,pins = <
                                                         1363 0x80000000 /* MX6Q_PAD_NANDF_CS0__GPIO_6_11 */
                                                         1369 0x80000000 /* MX6Q_PAD_NANDF_CS1__GPIO_6_14 */
                                                 >;
@@ -58,7 +65,8 @@
                                 wp-gpios = <&gpio6 14 0>;
                                 vmmc-supply = <&reg_3p3v>;
                                 pinctrl-names = "default";
-                                pinctrl-0 = <&pinctrl_usdhc3_1>;
+                                pinctrl-0 = <&pinctrl_usdhc3_1
+                                             &pinctrl_usdhc3_arm2>;
                                 status = "okay";
                         };
 
diff --git a/arch/arm/boot/dts/kirkwood-lsxl.dtsi b/arch/arm/boot/dts/kirkwood-lsxl.dtsi
index 8ac51c08269d..8fea375c734d 100644
--- a/arch/arm/boot/dts/kirkwood-lsxl.dtsi
+++ b/arch/arm/boot/dts/kirkwood-lsxl.dtsi
@@ -48,17 +48,19 @@
                 #size-cells = <0>;
                 button@1 {
                         label = "Function Button";
-                        linux,code = <132>;
+                        linux,code = <357>;
                         gpios = <&gpio1 9 1>;
                 };
                 button@2 {
                         label = "Power-on Switch";
-                        linux,code = <116>;
+                        linux,code = <0>;
+                        linux,input-type = <5>;
                         gpios = <&gpio1 10 1>;
                 };
                 button@3 {
                         label = "Power-auto Switch";
-                        linux,code = <142>;
+                        linux,code = <1>;
+                        linux,input-type = <5>;
                         gpios = <&gpio1 11 1>;
                 };
         };
@@ -67,28 +69,28 @@
                 compatible = "gpio-leds";
 
                 led@1 {
-                        label = "lschlv2:blue:func";
+                        label = "lsxl:blue:func";
                         gpios = <&gpio1 4 1>;
                 };
 
                 led@2 {
-                        label = "lschlv2:red:alarm";
+                        label = "lsxl:red:alarm";
                         gpios = <&gpio1 5 1>;
                 };
 
                 led@3 {
-                        label = "lschlv2:amber:info";
+                        label = "lsxl:amber:info";
                         gpios = <&gpio1 6 1>;
                 };
 
                 led@4 {
-                        label = "lschlv2:blue:power";
+                        label = "lsxl:blue:power";
                         gpios = <&gpio1 7 1>;
                         linux,default-trigger = "default-on";
                 };
 
                 led@5 {
-                        label = "lschlv2:red:func";
+                        label = "lsxl:red:func";
                         gpios = <&gpio1 16 1>;
                 };
         };
diff --git a/arch/arm/boot/dts/wm8505.dtsi b/arch/arm/boot/dts/wm8505.dtsi
index b459691655ab..330f833ac3b0 100644
--- a/arch/arm/boot/dts/wm8505.dtsi
+++ b/arch/arm/boot/dts/wm8505.dtsi
@@ -71,13 +71,13 @@
                 ehci@d8007100 {
                         compatible = "via,vt8500-ehci";
                         reg = <0xd8007100 0x200>;
-                        interrupts = <43>;
+                        interrupts = <1>;
                 };
 
                 uhci@d8007300 {
                         compatible = "platform-uhci";
                         reg = <0xd8007300 0x200>;
-                        interrupts = <43>;
+                        interrupts = <0>;
                 };
 
                 fb@d8050800 {
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/kernel/entry-common.S b/arch/arm/kernel/entry-common.S
index 417bac1846bd..34711757ba59 100644
--- a/arch/arm/kernel/entry-common.S
+++ b/arch/arm/kernel/entry-common.S
@@ -88,9 +88,9 @@ ENTRY(ret_from_fork)
         bl      schedule_tail
         cmp     r5, #0
         movne   r0, r4
-        movne   lr, pc
+        adrne   lr, BSYM(1f)
         movne   pc, r5
-        get_thread_info tsk
+1:      get_thread_info tsk
         b       ret_slow_syscall
 ENDPROC(ret_from_fork)
 
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..b22d700fea27 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 */
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-dove/common.c b/arch/arm/mach-dove/common.c
index b37bef1d5ffa..f723fe13d0f0 100644
--- a/arch/arm/mach-dove/common.c
+++ b/arch/arm/mach-dove/common.c
@@ -32,6 +32,7 @@
 #include <linux/irq.h>
 #include <plat/time.h>
 #include <linux/platform_data/usb-ehci-orion.h>
+#include <plat/irq.h>
 #include <plat/common.h>
 #include <plat/addr-map.h>
 #include "common.h"
@@ -109,8 +110,8 @@ static void __init dove_clk_init(void)
 
         orion_clkdev_add(NULL, "orion-ehci.0", usb0);
         orion_clkdev_add(NULL, "orion-ehci.1", usb1);
-        orion_clkdev_add(NULL, "mv643xx_eth.0", ge);
-        orion_clkdev_add("0", "sata_mv.0", sata);
+        orion_clkdev_add(NULL, "mv643xx_eth_port.0", ge);
+        orion_clkdev_add(NULL, "sata_mv.0", sata);
         orion_clkdev_add("0", "pcie", pex0);
         orion_clkdev_add("1", "pcie", pex1);
         orion_clkdev_add(NULL, "sdhci-dove.0", sdio0);
@@ -399,7 +400,7 @@ static void __init dove_dt_init(void)
                 (dove_tclk + 499999) / 1000000);
 
 #ifdef CONFIG_CACHE_TAUROS2
-        tauros2_init();
+        tauros2_init(0);
 #endif
         dove_setup_cpu_mbus();
 
@@ -415,7 +416,6 @@ static void __init dove_dt_init(void)
         dove_ehci0_init();
         dove_ehci1_init();
         dove_pcie_init(1, 1);
-        dove_crypto_init();
 
         of_platform_populate(NULL, of_default_bus_match_table,
                              dove_auxdata_lookup, NULL);
diff --git a/arch/arm/mach-dove/pcie.c b/arch/arm/mach-dove/pcie.c
index bb15b26041cb..0ef4435b1657 100644
--- a/arch/arm/mach-dove/pcie.c
+++ b/arch/arm/mach-dove/pcie.c
@@ -10,6 +10,7 @@
 
 #include <linux/kernel.h>
 #include <linux/pci.h>
+#include <linux/clk.h>
 #include <video/vga.h>
 #include <asm/mach/pci.h>
 #include <asm/mach/arch.h>
@@ -188,6 +189,10 @@ static void __init add_pcie_port(int index, void __iomem *base)
 
         if (orion_pcie_link_up(base)) {
                 struct pcie_port *pp = &pcie_port[num_pcie_ports++];
+                struct clk *clk = clk_get_sys("pcie", (index ? "1" : "0"));
+
+                if (!IS_ERR(clk))
+                        clk_prepare_enable(clk);
 
                 printk(KERN_INFO "link up\n");
 
diff --git a/arch/arm/mach-kirkwood/board-dt.c b/arch/arm/mach-kirkwood/board-dt.c
index 70c5a2882409..d94872fed8c0 100644
--- a/arch/arm/mach-kirkwood/board-dt.c
+++ b/arch/arm/mach-kirkwood/board-dt.c
@@ -51,9 +51,7 @@ static void __init kirkwood_dt_init(void)
 
         kirkwood_setup_cpu_mbus();
 
-#ifdef CONFIG_CACHE_FEROCEON_L2
         kirkwood_l2_init();
-#endif
 
         /* Setup root of clk tree */
         kirkwood_clk_init();
diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c
index 3991077f58a2..2c6c218fb79e 100644
--- a/arch/arm/mach-kirkwood/common.c
+++ b/arch/arm/mach-kirkwood/common.c
@@ -633,6 +633,7 @@ char * __init kirkwood_id(void)
 
 void __init kirkwood_l2_init(void)
 {
+#ifdef CONFIG_CACHE_FEROCEON_L2
 #ifdef CONFIG_CACHE_FEROCEON_L2_WRITETHROUGH
         writel(readl(L2_CONFIG_REG) | L2_WRITETHROUGH, L2_CONFIG_REG);
         feroceon_l2_init(1);
@@ -640,6 +641,7 @@ void __init kirkwood_l2_init(void)
         writel(readl(L2_CONFIG_REG) & ~L2_WRITETHROUGH, L2_CONFIG_REG);
         feroceon_l2_init(0);
 #endif
+#endif
 }
 
 void __init kirkwood_init(void)
@@ -657,9 +659,7 @@ void __init kirkwood_init(void)
 
         kirkwood_setup_cpu_mbus();
 
-#ifdef CONFIG_CACHE_FEROCEON_L2
         kirkwood_l2_init();
-#endif
 
         /* Setup root of clk tree */
         kirkwood_clk_init();
diff --git a/arch/arm/mach-omap1/board-ams-delta.c b/arch/arm/mach-omap1/board-ams-delta.c
index 9518bf5996dc..e255164ff087 100644
--- a/arch/arm/mach-omap1/board-ams-delta.c
+++ b/arch/arm/mach-omap1/board-ams-delta.c
@@ -444,16 +444,28 @@ static struct omap1_cam_platform_data ams_delta_camera_platform_data = {
         .lclk_khz_max   = 1334,         /* results in 5fps CIF, 10fps QCIF */
 };
 
+static struct platform_device ams_delta_audio_device = {
+        .name   = "ams-delta-audio",
+        .id     = -1,
+};
+
+static struct platform_device cx20442_codec_device = {
+        .name   = "cx20442-codec",
+        .id     = -1,
+};
+
 static struct platform_device *ams_delta_devices[] __initdata = {
         &latch1_gpio_device,
         &latch2_gpio_device,
         &ams_delta_kp_device,
         &ams_delta_camera_device,
+        &ams_delta_audio_device,
 };
 
 static struct platform_device *late_devices[] __initdata = {
         &ams_delta_nand_device,
         &ams_delta_lcd_device,
+        &cx20442_codec_device,
 };
 
 static void __init ams_delta_init(void)
diff --git a/arch/arm/mach-omap2/clock44xx_data.c b/arch/arm/mach-omap2/clock44xx_data.c
index d661d138f270..6efc30c961a5 100644
--- a/arch/arm/mach-omap2/clock44xx_data.c
+++ b/arch/arm/mach-omap2/clock44xx_data.c
@@ -3294,7 +3294,7 @@ static struct omap_clk omap44xx_clks[] = {
         CLK(NULL,       "auxclk5_src_ck",               &auxclk5_src_ck,        CK_443X),
         CLK(NULL,       "auxclk5_ck",                   &auxclk5_ck,    CK_443X),
         CLK(NULL,       "auxclkreq5_ck",                &auxclkreq5_ck, CK_443X),
-        CLK(NULL,       "gpmc_ck",                      &dummy_ck,      CK_443X),
+        CLK("omap-gpmc",        "fck",                          &dummy_ck,      CK_443X),
         CLK("omap_i2c.1",       "ick",                          &dummy_ck,      CK_443X),
         CLK("omap_i2c.2",       "ick",                          &dummy_ck,      CK_443X),
         CLK("omap_i2c.3",       "ick",                          &dummy_ck,      CK_443X),
diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c
index cbb879139c51..512e79a842cb 100644
--- a/arch/arm/mach-omap2/clockdomain.c
+++ b/arch/arm/mach-omap2/clockdomain.c
@@ -925,15 +925,18 @@ static int _clkdm_clk_hwmod_enable(struct clockdomain *clkdm)
         if (!clkdm || !arch_clkdm || !arch_clkdm->clkdm_clk_enable)
                 return -EINVAL;
 
+        spin_lock_irqsave(&clkdm->lock, flags);
+
         /*
          * For arch's with no autodeps, clkcm_clk_enable
          * should be called for every clock instance or hwmod that is
          * enabled, so the clkdm can be force woken up.
          */
-        if ((atomic_inc_return(&clkdm->usecount) > 1) && autodeps)
+        if ((atomic_inc_return(&clkdm->usecount) > 1) && autodeps) {
+                spin_unlock_irqrestore(&clkdm->lock, flags);
                 return 0;
+        }
 
-        spin_lock_irqsave(&clkdm->lock, flags);
         arch_clkdm->clkdm_clk_enable(clkdm);
         pwrdm_state_switch(clkdm->pwrdm.ptr);
         spin_unlock_irqrestore(&clkdm->lock, flags);
@@ -950,15 +953,19 @@ static int _clkdm_clk_hwmod_disable(struct clockdomain *clkdm)
         if (!clkdm || !arch_clkdm || !arch_clkdm->clkdm_clk_disable)
                 return -EINVAL;
 
+        spin_lock_irqsave(&clkdm->lock, flags);
+
         if (atomic_read(&clkdm->usecount) == 0) {
+                spin_unlock_irqrestore(&clkdm->lock, flags);
                 WARN_ON(1); /* underflow */
                 return -ERANGE;
         }
 
-        if (atomic_dec_return(&clkdm->usecount) > 0)
+        if (atomic_dec_return(&clkdm->usecount) > 0) {
+                spin_unlock_irqrestore(&clkdm->lock, flags);
                 return 0;
+        }
 
-        spin_lock_irqsave(&clkdm->lock, flags);
         arch_clkdm->clkdm_clk_disable(clkdm);
         pwrdm_state_switch(clkdm->pwrdm.ptr);
         spin_unlock_irqrestore(&clkdm->lock, flags);
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index c8c211731d26..cba60e05e32e 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -341,7 +341,7 @@ static void __init omap_init_dmic(void)
 
         oh = omap_hwmod_lookup("dmic");
         if (!oh) {
-                printk(KERN_ERR "Could not look up mcpdm hw_mod\n");
+                pr_err("Could not look up dmic hw_mod\n");
                 return;
         }
 
diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
index 5ac5cf30406a..92b5718fa722 100644
--- a/arch/arm/mach-omap2/gpmc.c
+++ b/arch/arm/mach-omap2/gpmc.c
@@ -868,9 +868,9 @@ static void __devexit gpmc_mem_exit(void)
 
 }
 
-static void __devinit gpmc_mem_init(void)
+static int __devinit gpmc_mem_init(void)
 {
-        int cs;
+        int cs, rc;
         unsigned long boot_rom_space = 0;
 
         /* never allocate the first page, to facilitate bug detection;
@@ -890,13 +890,21 @@ static void __devinit gpmc_mem_init(void)
                 if (!gpmc_cs_mem_enabled(cs))
                         continue;
                 gpmc_cs_get_memconf(cs, &base, &size);
-                if (gpmc_cs_insert_mem(cs, base, size) < 0)
-                        BUG();
+                rc = gpmc_cs_insert_mem(cs, base, size);
+                if (IS_ERR_VALUE(rc)) {
+                        while (--cs >= 0)
+                                if (gpmc_cs_mem_enabled(cs))
+                                        gpmc_cs_delete_mem(cs);
+                        return rc;
+                }
         }
+
+        return 0;
 }
 
 static __devinit int gpmc_probe(struct platform_device *pdev)
 {
+        int rc;
         u32 l;
         struct resource *res;
 
@@ -936,7 +944,13 @@ static __devinit int gpmc_probe(struct platform_device *pdev)
         dev_info(gpmc_dev, "GPMC revision %d.%d\n", GPMC_REVISION_MAJOR(l),
                  GPMC_REVISION_MINOR(l));
 
-        gpmc_mem_init();
+        rc = gpmc_mem_init();
+        if (IS_ERR_VALUE(rc)) {
+                clk_disable_unprepare(gpmc_l3_clk);
+                clk_put(gpmc_l3_clk);
+                dev_err(gpmc_dev, "failed to reserve memory\n");
+                return rc;
+        }
 
         if (IS_ERR_VALUE(gpmc_setup_irq()))
                 dev_warn(gpmc_dev, "gpmc_setup_irq failed\n");
diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
index 44f9aa7ec0c0..69e46631a7cd 100644
--- a/arch/arm/mach-omap2/timer.c
+++ b/arch/arm/mach-omap2/timer.c
@@ -467,7 +467,7 @@ OMAP_SYS_TIMER(3_am33xx)
 #ifdef CONFIG_ARCH_OMAP4
 #ifdef CONFIG_LOCAL_TIMERS
 static DEFINE_TWD_LOCAL_TIMER(twd_local_timer,
-                              OMAP44XX_LOCAL_TWD_BASE, 29 + OMAP_INTC_START);
+                              OMAP44XX_LOCAL_TWD_BASE, 29);
 #endif
 
 static void __init omap4_timer_init(void)
diff --git a/arch/arm/mach-prima2/include/mach/gpio.h b/arch/arm/mach-prima2/include/mach/gpio.h
deleted file mode 100644
index 1904bb03876e..000000000000
--- a/arch/arm/mach-prima2/include/mach/gpio.h
+++ /dev/null
@@ -1,13 +0,0 @@
-#ifndef __MACH_GPIO_H
-#define __MACH_GPIO_H
-
-/* Pull up/down values */
-enum sirfsoc_gpio_pull {
-        SIRFSOC_GPIO_PULL_NONE,
-        SIRFSOC_GPIO_PULL_UP,
-        SIRFSOC_GPIO_PULL_DOWN,
-};
-
-void sirfsoc_gpio_set_pull(unsigned gpio, unsigned mode);
-
-#endif
diff --git a/arch/arm/mach-s3c24xx/clock-s3c2440.c b/arch/arm/mach-s3c24xx/clock-s3c2440.c
index 749220f91a70..4407b1730539 100644
--- a/arch/arm/mach-s3c24xx/clock-s3c2440.c
+++ b/arch/arm/mach-s3c24xx/clock-s3c2440.c
@@ -163,7 +163,7 @@ static struct clk_lookup s3c2440_clk_lookup[] = {
         CLKDEV_INIT(NULL, "clk_uart_baud3", &s3c2440_clk_fclk_n),
 };
 
-static int s3c2440_clk_add(struct device *dev, struct subsys_interface *sif)
+static int __init_refok s3c2440_clk_add(struct device *dev, struct subsys_interface *sif)
 {
         struct clk *clock_upll;
         struct clk *clock_h;
diff --git a/arch/arm/mach-shmobile/board-armadillo800eva.c b/arch/arm/mach-shmobile/board-armadillo800eva.c
index 2912eab3b967..3cc8b1c21da9 100644
--- a/arch/arm/mach-shmobile/board-armadillo800eva.c
+++ b/arch/arm/mach-shmobile/board-armadillo800eva.c
@@ -1196,7 +1196,7 @@ static void __init eva_init(void)
 
 #ifdef CONFIG_CACHE_L2X0
         /* Early BRESP enable, Shared attribute override enable, 32K*8way */
-        l2x0_init(__io(0xf0002000), 0x40440000, 0x82000fff);
+        l2x0_init(IOMEM(0xf0002000), 0x40440000, 0x82000fff);
 #endif
 
         i2c_register_board_info(0, i2c0_devices, ARRAY_SIZE(i2c0_devices));
diff --git a/arch/arm/mach-shmobile/clock-r8a7779.c b/arch/arm/mach-shmobile/clock-r8a7779.c
index 3cafb6ab5e9a..37b2a3133b3b 100644
--- a/arch/arm/mach-shmobile/clock-r8a7779.c
+++ b/arch/arm/mach-shmobile/clock-r8a7779.c
@@ -24,17 +24,17 @@
 #include <linux/clkdev.h>
 #include <mach/common.h>
 
-#define FRQMR   0xffc80014
-#define MSTPCR0 0xffc80030
-#define MSTPCR1 0xffc80034
-#define MSTPCR3 0xffc8003c
-#define MSTPSR1 0xffc80044
-#define MSTPSR4 0xffc80048
-#define MSTPSR6 0xffc8004c
-#define MSTPCR4 0xffc80050
-#define MSTPCR5 0xffc80054
-#define MSTPCR6 0xffc80058
-#define MSTPCR7 0xffc80040
+#define FRQMR           IOMEM(0xffc80014)
+#define MSTPCR0         IOMEM(0xffc80030)
+#define MSTPCR1         IOMEM(0xffc80034)
+#define MSTPCR3         IOMEM(0xffc8003c)
+#define MSTPSR1         IOMEM(0xffc80044)
+#define MSTPSR4         IOMEM(0xffc80048)
+#define MSTPSR6         IOMEM(0xffc8004c)
+#define MSTPCR4         IOMEM(0xffc80050)
+#define MSTPCR5         IOMEM(0xffc80054)
+#define MSTPCR6         IOMEM(0xffc80058)
+#define MSTPCR7         IOMEM(0xffc80040)
 
 /* ioremap() through clock mapping mandatory to avoid
  * collision with ARM coherent DMA virtual memory range.
diff --git a/arch/arm/mach-tegra/board-dt-tegra20.c b/arch/arm/mach-tegra/board-dt-tegra20.c
index 57e235f4ac74..aa5325cd1c42 100644
--- a/arch/arm/mach-tegra/board-dt-tegra20.c
+++ b/arch/arm/mach-tegra/board-dt-tegra20.c
@@ -182,7 +182,7 @@ DT_MACHINE_START(TEGRA_DT, "nVidia Tegra20 (Flattened Device Tree)")
         .init_early     = tegra20_init_early,
         .init_irq       = tegra_dt_init_irq,
         .handle_irq     = gic_handle_irq,
-        .timer          = &tegra_timer,
+        .timer          = &tegra_sys_timer,
         .init_machine   = tegra_dt_init,
         .init_late      = tegra_dt_init_late,
         .restart        = tegra_assert_system_reset,
diff --git a/arch/arm/mach-tegra/board-dt-tegra30.c b/arch/arm/mach-tegra/board-dt-tegra30.c
index e4a676d4ddf7..5e92a81f9a2e 100644
--- a/arch/arm/mach-tegra/board-dt-tegra30.c
+++ b/arch/arm/mach-tegra/board-dt-tegra30.c
@@ -89,7 +89,7 @@ DT_MACHINE_START(TEGRA30_DT, "NVIDIA Tegra30 (Flattened Device Tree)")
         .init_early     = tegra30_init_early,
         .init_irq       = tegra_dt_init_irq,
         .handle_irq     = gic_handle_irq,
-        .timer          = &tegra_timer,
+        .timer          = &tegra_sys_timer,
         .init_machine   = tegra30_dt_init,
         .init_late      = tegra_init_late,
         .restart        = tegra_assert_system_reset,
diff --git a/arch/arm/mach-tegra/board.h b/arch/arm/mach-tegra/board.h
index f88e5143c767..91fbe733a21e 100644
--- a/arch/arm/mach-tegra/board.h
+++ b/arch/arm/mach-tegra/board.h
@@ -55,5 +55,5 @@ static inline int harmony_pcie_init(void) { return 0; }
 
 void __init tegra_paz00_wifikill_init(void);
 
-extern struct sys_timer tegra_timer;
+extern struct sys_timer tegra_sys_timer;
 #endif
diff --git a/arch/arm/mach-tegra/tegra20_clocks_data.c b/arch/arm/mach-tegra/tegra20_clocks_data.c
index cc9b5fd8c3d3..8d398a33adf7 100644
--- a/arch/arm/mach-tegra/tegra20_clocks_data.c
+++ b/arch/arm/mach-tegra/tegra20_clocks_data.c
@@ -953,6 +953,7 @@ PERIPH_CLK(pcie_xclk,	NULL,		  "pcie_xclk",  74,     0,	26000000,  mux_clk_m,
 static struct clk *tegra_list_clks[] = {
         &tegra_apbdma,
         &tegra_rtc,
+        &tegra_timer,
         &tegra_i2s1,
         &tegra_i2s2,
         &tegra_spdif_out,
diff --git a/arch/arm/mach-tegra/tegra30_clocks.c b/arch/arm/mach-tegra/tegra30_clocks.c
index 5cd502c27163..e9de5dfd94ec 100644
--- a/arch/arm/mach-tegra/tegra30_clocks.c
+++ b/arch/arm/mach-tegra/tegra30_clocks.c
@@ -1199,7 +1199,7 @@ static long tegra30_pll_round_rate(struct clk_hw *hw, unsigned long rate,
 {
         struct clk_tegra *c = to_clk_tegra(hw);
         unsigned long input_rate = *prate;
-        unsigned long output_rate = *prate;
+        u64 output_rate = *prate;
         const struct clk_pll_freq_table *sel;
         struct clk_pll_freq_table cfg;
         int mul;
diff --git a/arch/arm/mach-tegra/tegra30_clocks_data.c b/arch/arm/mach-tegra/tegra30_clocks_data.c
index d92cb556ae35..3d2e5532a9ea 100644
--- a/arch/arm/mach-tegra/tegra30_clocks_data.c
+++ b/arch/arm/mach-tegra/tegra30_clocks_data.c
@@ -1143,6 +1143,7 @@ struct clk *tegra_list_clks[] = {
         &tegra_apbdma,
         &tegra_rtc,
         &tegra_kbc,
+        &tegra_timer,
         &tegra_kfuse,
         &tegra_fuse,
         &tegra_fuse_burn,
diff --git a/arch/arm/mach-tegra/timer.c b/arch/arm/mach-tegra/timer.c
index eccdce983043..d3b8c8e7368f 100644
--- a/arch/arm/mach-tegra/timer.c
+++ b/arch/arm/mach-tegra/timer.c
@@ -245,7 +245,7 @@ static void __init tegra_init_timer(void)
         register_persistent_clock(NULL, tegra_read_persistent_clock);
 }
 
-struct sys_timer tegra_timer = {
+struct sys_timer tegra_sys_timer = {
         .init = tegra_init_timer,
 };
 
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-omap/debug-devices.c b/arch/arm/plat-omap/debug-devices.c
index c7a4c0902b38..5a4678edd65a 100644
--- a/arch/arm/plat-omap/debug-devices.c
+++ b/arch/arm/plat-omap/debug-devices.c
@@ -16,6 +16,7 @@
 #include <linux/smc91x.h>
 
 #include <mach/hardware.h>
+#include "../mach-omap2/debug-devices.h"
 
 /* Many OMAP development platforms reuse the same "debug board"; these
  * platforms include H2, H3, H4, and Perseus2.
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/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)
 {