13 files changed, 36 insertions, 84 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 1dbb58c..9f2d203 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -696,7 +696,6 @@ config ARCH_SA1100
 	select GENERIC_CLOCKEVENTS
 	select HAVE_IDE
 	select ISA
-	select NEED_MACH_GPIO_H
 	select NEED_MACH_MEMORY_H
 	select SPARSE_IRQ
 	help
diff --git a/arch/arm/configs/h3600_defconfig b/arch/arm/configs/h3600_defconfig
index 317960f..0142ec3 100644
--- a/arch/arm/configs/h3600_defconfig
+++ b/arch/arm/configs/h3600_defconfig
@@ -1,5 +1,6 @@
-CONFIG_EXPERIMENTAL=y
 CONFIG_SYSVIPC=y
+CONFIG_NO_HZ_IDLE=y
+CONFIG_HIGH_RES_TIMERS=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_MODULES=y
@@ -11,11 +12,11 @@ CONFIG_ARCH_SA1100=y
 CONFIG_SA1100_H3600=y
 CONFIG_PCCARD=y
 CONFIG_PCMCIA_SA1100=y
+CONFIG_PREEMPT=y
 CONFIG_ZBOOT_ROM_TEXT=0x0
 CONFIG_ZBOOT_ROM_BSS=0x0
 # CONFIG_CPU_FREQ_STAT is not set
 CONFIG_FPE_NWFPE=y
-CONFIG_PM=y
 CONFIG_NET=y
 CONFIG_UNIX=y
 CONFIG_INET=y
@@ -24,13 +25,10 @@ CONFIG_IRDA=m
 CONFIG_IRLAN=m
 CONFIG_IRNET=m
 CONFIG_IRCOMM=m
-CONFIG_SA1100_FIR=m
 # CONFIG_WIRELESS is not set
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_MTD=y
-CONFIG_MTD_PARTITIONS=y
 CONFIG_MTD_REDBOOT_PARTS=y
-CONFIG_MTD_CHAR=y
 CONFIG_MTD_BLOCK=y
 CONFIG_MTD_CFI=y
 CONFIG_MTD_CFI_ADV_OPTIONS=y
@@ -41,19 +39,15 @@ CONFIG_MTD_SA1100=y
 CONFIG_BLK_DEV_LOOP=m
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_SIZE=8192
-# CONFIG_MISC_DEVICES is not set
 CONFIG_IDE=y
 CONFIG_BLK_DEV_IDECS=y
 CONFIG_NETDEVICES=y
-# CONFIG_NETDEV_1000 is not set
-# CONFIG_NETDEV_10000 is not set
-# CONFIG_WLAN is not set
-CONFIG_NET_PCMCIA=y
 CONFIG_PCMCIA_PCNET=y
 CONFIG_PPP=m
-CONFIG_PPP_ASYNC=m
-CONFIG_PPP_DEFLATE=m
 CONFIG_PPP_BSDCOMP=m
+CONFIG_PPP_DEFLATE=m
+CONFIG_PPP_ASYNC=m
+# CONFIG_WLAN is not set
 # CONFIG_KEYBOARD_ATKBD is not set
 CONFIG_KEYBOARD_GPIO=y
 # CONFIG_INPUT_MOUSE is not set
@@ -64,8 +58,6 @@ CONFIG_SERIAL_SA1100_CONSOLE=y
 # CONFIG_HWMON is not set
 CONFIG_FB=y
 CONFIG_FB_SA1100=y
-# CONFIG_VGA_CONSOLE is not set
-# CONFIG_HID_SUPPORT is not set
 # CONFIG_USB_SUPPORT is not set
 CONFIG_EXT2_FS=y
 CONFIG_MSDOS_FS=m
@@ -74,6 +66,4 @@ CONFIG_JFFS2_FS=y
 CONFIG_CRAMFS=m
 CONFIG_NFS_FS=y
 CONFIG_NFSD=m
-CONFIG_SMB_FS=m
 CONFIG_NLS=y
-# CONFIG_RCU_CPU_STALL_DETECTOR is not set
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index 55090fb..b3fb8c9 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -192,6 +192,7 @@ __dabt_svc:
 	svc_entry
 	mov	r2, sp
 	dabt_helper
+ THUMB(	ldr	r5, [sp, #S_PSR]	)	@ potentially updated CPSR
 	svc_exit r5				@ return from exception
  UNWIND(.fnend		)
 ENDPROC(__dabt_svc)
diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c
index 64845fc..04d6388 100644
--- a/arch/arm/kernel/signal.c
+++ b/arch/arm/kernel/signal.c
@@ -353,12 +353,18 @@ setup_return(struct pt_regs *regs, struct ksignal *ksig,
 		 */
 		thumb = handler & 1;
 
-		if (thumb) {
-			cpsr |= PSR_T_BIT;
 #if __LINUX_ARM_ARCH__ >= 7
-			/* clear the If-Then Thumb-2 execution state */
-			cpsr &= ~PSR_IT_MASK;
+		/*
+		 * Clear the If-Then Thumb-2 execution state
+		 * ARM spec requires this to be all 000s in ARM mode
+		 * Snapdragon S4/Krait misbehaves on a Thumb=>ARM
+		 * signal transition without this.
+		 */
+		cpsr &= ~PSR_IT_MASK;
 #endif
+
+		if (thumb) {
+			cpsr |= PSR_T_BIT;
 		} else
 			cpsr &= ~PSR_T_BIT;
 	}
diff --git a/arch/arm/mach-highbank/Kconfig b/arch/arm/mach-highbank/Kconfig
index 3c3bff7..0ca7377 100644
--- a/arch/arm/mach-highbank/Kconfig
+++ b/arch/arm/mach-highbank/Kconfig
@@ -9,7 +9,7 @@ config ARCH_HIGHBANK
 	select ARM_AMBA
 	select ARM_ERRATA_764369
 	select ARM_ERRATA_775420
-	select ARM_ERRATA_798181
+	select ARM_ERRATA_798181 if SMP
 	select ARM_GIC
 	select ARM_TIMER_SP804
 	select CACHE_L2X0
diff --git a/arch/arm/mach-sa1100/assabet.c b/arch/arm/mach-sa1100/assabet.c
index e838ba2..c9808c6 100644
--- a/arch/arm/mach-sa1100/assabet.c
+++ b/arch/arm/mach-sa1100/assabet.c
@@ -512,6 +512,9 @@ static void __init assabet_map_io(void)
 	 * Its called GPCLKR0 in my SA1110 manual.
 	 */
 	Ser1SDCR0 |= SDCR0_SUS;
+	MSC1 = (MSC1 & ~0xffff) |
+		MSC_NonBrst | MSC_32BitStMem |
+		MSC_RdAcc(2) | MSC_WrAcc(2) | MSC_Rec(0);
 
 	if (!machine_has_neponset())
 		sa1100_register_uart_fns(&assabet_port_fns);
diff --git a/arch/arm/mach-sa1100/include/mach/gpio.h b/arch/arm/mach-sa1100/include/mach/gpio.h
deleted file mode 100644
index 6a9eecf..0000000
--- a/arch/arm/mach-sa1100/include/mach/gpio.h
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * arch/arm/mach-sa1100/include/mach/gpio.h
- *
- * SA1100 GPIO wrappers for arch-neutral GPIO calls
- *
- * Written by Philipp Zabel <philipp.zabel@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#ifndef __ASM_ARCH_SA1100_GPIO_H
-#define __ASM_ARCH_SA1100_GPIO_H
-
-#include <linux/io.h>
-#include <mach/hardware.h>
-#include <asm/irq.h>
-#include <asm-generic/gpio.h>
-
-#define __ARM_GPIOLIB_COMPLEX
-
-static inline int gpio_get_value(unsigned gpio)
-{
-	if (__builtin_constant_p(gpio) && (gpio <= GPIO_MAX))
-		return GPLR & GPIO_GPIO(gpio);
-	else
-		return __gpio_get_value(gpio);
-}
-
-static inline void gpio_set_value(unsigned gpio, int value)
-{
-	if (__builtin_constant_p(gpio) && (gpio <= GPIO_MAX))
-		if (value)
-			GPSR = GPIO_GPIO(gpio);
-		else
-			GPCR = GPIO_GPIO(gpio);
-	else
-		__gpio_set_value(gpio, value);
-}
-
-#define gpio_cansleep	__gpio_cansleep
-
-#endif
diff --git a/arch/arm/mach-sa1100/include/mach/h3xxx.h b/arch/arm/mach-sa1100/include/mach/h3xxx.h
index 7d9df16..c810620 100644
--- a/arch/arm/mach-sa1100/include/mach/h3xxx.h
+++ b/arch/arm/mach-sa1100/include/mach/h3xxx.h
@@ -13,6 +13,8 @@
 #ifndef _INCLUDE_H3XXX_H_
 #define _INCLUDE_H3XXX_H_
 
+#include "hardware.h" /* Gives GPIO_MAX */
+
 /* Physical memory regions corresponding to chip selects */
 #define H3600_EGPIO_PHYS	(SA1100_CS5_PHYS + 0x01000000)
 #define H3600_BANK_2_PHYS	SA1100_CS2_PHYS
diff --git a/arch/arm/mach-sa1100/simpad.c b/arch/arm/mach-sa1100/simpad.c
index bcbc945..41e476e 100644
--- a/arch/arm/mach-sa1100/simpad.c
+++ b/arch/arm/mach-sa1100/simpad.c
@@ -19,6 +19,7 @@
 
 #include <mach/hardware.h>
 #include <asm/setup.h>
+#include <asm/irq.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig
index 67a76f2..f26428d 100644
--- a/arch/arm/mach-tegra/Kconfig
+++ b/arch/arm/mach-tegra/Kconfig
@@ -54,7 +54,7 @@ config ARCH_TEGRA_3x_SOC
 config ARCH_TEGRA_114_SOC
 	bool "Enable support for Tegra114 family"
 	select HAVE_ARM_ARCH_TIMER
-	select ARM_ERRATA_798181
+	select ARM_ERRATA_798181 if SMP
 	select ARM_L1_CACHE_SHIFT_6
 	select PINCTRL_TEGRA114
 	help
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 1272ed2..b5a3f60 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -687,7 +687,7 @@ static void *__dma_alloc(struct device *dev, size_t size, dma_addr_t *handle,
 void *arm_dma_alloc(struct device *dev, size_t size, dma_addr_t *handle,
 		    gfp_t gfp, struct dma_attrs *attrs)
 {
-	pgprot_t prot = __get_dma_pgprot(attrs, pgprot_kernel);
+	pgprot_t prot = __get_dma_pgprot(attrs, PAGE_KERNEL);
 	void *memory;
 
 	if (dma_alloc_from_coherent(dev, size, handle, &memory))
@@ -700,7 +700,7 @@ void *arm_dma_alloc(struct device *dev, size_t size, dma_addr_t *handle,
 static void *arm_coherent_dma_alloc(struct device *dev, size_t size,
 	dma_addr_t *handle, gfp_t gfp, struct dma_attrs *attrs)
 {
-	pgprot_t prot = __get_dma_pgprot(attrs, pgprot_kernel);
+	pgprot_t prot = __get_dma_pgprot(attrs, PAGE_KERNEL);
 	void *memory;
 
 	if (dma_alloc_from_coherent(dev, size, handle, &memory))
diff --git a/arch/arm/mm/extable.c b/arch/arm/mm/extable.c
index 9d28562..312e15e 100644
--- a/arch/arm/mm/extable.c
+++ b/arch/arm/mm/extable.c
@@ -9,8 +9,13 @@ int fixup_exception(struct pt_regs *regs)
 	const struct exception_table_entry *fixup;
 
 	fixup = search_exception_tables(instruction_pointer(regs));
-	if (fixup)
+	if (fixup) {
 		regs->ARM_pc = fixup->fixup;
+#ifdef CONFIG_THUMB2_KERNEL
+		/* Clear the IT state to avoid nasty surprises in the fixup */
+		regs->ARM_cpsr &= ~PSR_IT_MASK;
+#endif
+	}
 
 	return fixup != NULL;
 }
diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c
index 52b8f40..2f37e1d 100644
--- a/arch/arm/vfp/vfpmodule.c
+++ b/arch/arm/vfp/vfpmodule.c
@@ -642,9 +642,9 @@ int vfp_restore_user_hwstate(struct user_vfp __user *ufp,
 static int vfp_hotplug(struct notifier_block *b, unsigned long action,
 	void *hcpu)
 {
-	if (action == CPU_DYING || action == CPU_DYING_FROZEN) {
-		vfp_force_reload((long)hcpu, current_thread_info());
-	} else if (action == CPU_STARTING || action == CPU_STARTING_FROZEN)
+	if (action == CPU_DYING || action == CPU_DYING_FROZEN)
+		vfp_current_hw_state[(long)hcpu] = NULL;
+	else if (action == CPU_STARTING || action == CPU_STARTING_FROZEN)
 		vfp_enable(NULL);
 	return NOTIFY_OK;
 }