Merge branch 'linux-2.6' into for-2.6.22

13 files changed, 53 insertions, 49 deletions

diff --git a/include/asm-arm/arch-at91/gpio.h b/include/asm-arm/arch-at91/gpio.h
index 98ad2114f43..0a241e2fb67 100644
--- a/include/asm-arm/arch-at91/gpio.h
+++ b/include/asm-arm/arch-at91/gpio.h
@@ -223,7 +223,7 @@ static inline void gpio_free(unsigned gpio)
 }
 
 extern int gpio_direction_input(unsigned gpio);
-extern int gpio_direction_output(unsigned gpio);
+extern int gpio_direction_output(unsigned gpio, int value);
 
 static inline int gpio_get_value(unsigned gpio)
 {
diff --git a/include/asm-arm/arch-ixp4xx/io.h b/include/asm-arm/arch-ixp4xx/io.h
index b7b5414d932..a41ba229c56 100644
--- a/include/asm-arm/arch-ixp4xx/io.h
+++ b/include/asm-arm/arch-ixp4xx/io.h
@@ -238,23 +238,6 @@ __ixp4xx_readsl(const volatile void __iomem *bus_addr, u32 *vaddr, u32 count)
 #define memcpy_fromio(a,c,l)		_memcpy_fromio((a),(c),(l))
 #define memcpy_toio(c,a,l)		_memcpy_toio((c),(a),(l))
 
-static inline int
-check_signature(const unsigned char __iomem *bus_addr, const unsigned char *signature,
-		int length)
-{
-	int retval = 0;
-	do {
-		if (readb(bus_addr) != *signature)
-			goto out;
-		bus_addr++;
-		signature++;
-		length--;
-	} while (length);
-	retval = 1;
-out:
-	return retval;
-}
-
 #endif
 
 #ifndef CONFIG_PCI
diff --git a/include/asm-arm/arch-ixp4xx/ixp4xx-regs.h b/include/asm-arm/arch-ixp4xx/ixp4xx-regs.h
index 9444958bec1..ed35e5c94f4 100644
--- a/include/asm-arm/arch-ixp4xx/ixp4xx-regs.h
+++ b/include/asm-arm/arch-ixp4xx/ixp4xx-regs.h
@@ -144,9 +144,9 @@
 #define IXP4XX_INTC_BASE_VIRT		(IXP4XX_PERIPHERAL_BASE_VIRT + 0x3000)
 #define IXP4XX_GPIO_BASE_VIRT		(IXP4XX_PERIPHERAL_BASE_VIRT + 0x4000)
 #define IXP4XX_TIMER_BASE_VIRT		(IXP4XX_PERIPHERAL_BASE_VIRT + 0x5000)
-#define IXP4XX_NPEA_BASE_VIRT   	(IXP4XX_PERIPHERAL_BASE_PHYS + 0x6000)
-#define IXP4XX_NPEB_BASE_VIRT   	(IXP4XX_PERIPHERAL_BASE_PHYS + 0x7000)
-#define IXP4XX_NPEC_BASE_VIRT   	(IXP4XX_PERIPHERAL_BASE_PHYS + 0x8000)
+#define IXP4XX_NPEA_BASE_VIRT   	(IXP4XX_PERIPHERAL_BASE_VIRT + 0x6000)
+#define IXP4XX_NPEB_BASE_VIRT   	(IXP4XX_PERIPHERAL_BASE_VIRT + 0x7000)
+#define IXP4XX_NPEC_BASE_VIRT   	(IXP4XX_PERIPHERAL_BASE_VIRT + 0x8000)
 #define IXP4XX_EthB_BASE_VIRT		(IXP4XX_PERIPHERAL_BASE_VIRT + 0x9000)
 #define IXP4XX_EthC_BASE_VIRT		(IXP4XX_PERIPHERAL_BASE_VIRT + 0xA000)
 #define IXP4XX_USB_BASE_VIRT		(IXP4XX_PERIPHERAL_BASE_VIRT + 0xB000)
diff --git a/include/asm-arm/arch-lh7a40x/entry-macro.S b/include/asm-arm/arch-lh7a40x/entry-macro.S
index 502700604e0..ffe397250f0 100644
--- a/include/asm-arm/arch-lh7a40x/entry-macro.S
+++ b/include/asm-arm/arch-lh7a40x/entry-macro.S
@@ -86,6 +86,12 @@ branch_irq_lh7a400: b 1000f
 		.macro	disable_fiq
 		.endm
 
+		.macro  get_irqnr_preamble, base, tmp
+		.endm
+
+		.macro  arch_ret_to_user, tmp1, tmp2
+		.endm
+
 		.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp
 		mov	\irqnr, #0
 		mov	\base, #io_p2v(0x80000000)	@ APB registers
@@ -105,6 +111,12 @@ branch_irq_lh7a400: b 1000f
 		.macro	disable_fiq
 		.endm
 
+		.macro  get_irqnr_preamble, base, tmp
+		.endm
+
+		.macro  arch_ret_to_user, tmp1, tmp2
+		.endm
+
 		.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp
 		mov	\irqnr, #0			@ VIC1 irq base
 		mov	\base, #io_p2v(0x80000000)	@ APB registers
diff --git a/include/asm-arm/arch-ns9xxx/clock.h b/include/asm-arm/arch-ns9xxx/clock.h
index 4371a485db4..a7c5ab3d901 100644
--- a/include/asm-arm/arch-ns9xxx/clock.h
+++ b/include/asm-arm/arch-ns9xxx/clock.h
@@ -11,6 +11,7 @@
 #ifndef __ASM_ARCH_CLOCK_H
 #define __ASM_ARCH_CLOCK_H
 
+static inline u32 ns9xxx_systemclock(void) __attribute__((const));
 static inline u32 ns9xxx_systemclock(void)
 {
 	/*
@@ -19,17 +20,20 @@ static inline u32 ns9xxx_systemclock(void)
 	return 353894400;
 }
 
-static inline const u32 ns9xxx_cpuclock(void)
+static inline u32 ns9xxx_cpuclock(void) __attribute__((const));
+static inline u32 ns9xxx_cpuclock(void)
 {
 	return ns9xxx_systemclock() / 2;
 }
 
-static inline const u32 ns9xxx_ahbclock(void)
+static inline u32 ns9xxx_ahbclock(void) __attribute__((const));
+static inline u32 ns9xxx_ahbclock(void)
 {
 	return ns9xxx_systemclock() / 4;
 }
 
-static inline const u32 ns9xxx_bbusclock(void)
+static inline u32 ns9xxx_bbusclock(void) __attribute__((const));
+static inline u32 ns9xxx_bbusclock(void)
 {
 	return ns9xxx_systemclock() / 8;
 }
diff --git a/include/asm-arm/arch-omap/gpio.h b/include/asm-arm/arch-omap/gpio.h
index 3762a6ae6a7..590917efc94 100644
--- a/include/asm-arm/arch-omap/gpio.h
+++ b/include/asm-arm/arch-omap/gpio.h
@@ -113,8 +113,9 @@ static inline int gpio_direction_input(unsigned gpio)
 	return __gpio_set_direction(gpio, 1);
 }
 
-static inline int gpio_direction_output(unsigned gpio)
+static inline int gpio_direction_output(unsigned gpio, int value)
 {
+	omap_set_gpio_dataout(gpio, value);
 	return __gpio_set_direction(gpio, 0);
 }
 
diff --git a/include/asm-arm/arch-pxa/gpio.h b/include/asm-arm/arch-pxa/gpio.h
index 3d348a35115..aeba24347f8 100644
--- a/include/asm-arm/arch-pxa/gpio.h
+++ b/include/asm-arm/arch-pxa/gpio.h
@@ -43,9 +43,9 @@ static inline int gpio_direction_input(unsigned gpio)
 	return pxa_gpio_mode(gpio | GPIO_IN);
 }
 
-static inline int gpio_direction_output(unsigned gpio)
+static inline int gpio_direction_output(unsigned gpio, int value)
 {
-	return pxa_gpio_mode(gpio | GPIO_OUT);
+	return pxa_gpio_mode(gpio | GPIO_OUT | (value ? 0 : GPIO_DFLT_LOW));
 }
 
 static inline int __gpio_get_value(unsigned gpio)
diff --git a/include/asm-arm/arch-pxa/pxa-regs.h b/include/asm-arm/arch-pxa/pxa-regs.h
index aec835b6f05..139c9d95481 100644
--- a/include/asm-arm/arch-pxa/pxa-regs.h
+++ b/include/asm-arm/arch-pxa/pxa-regs.h
@@ -1476,7 +1476,7 @@
 #define GPIO112_MMCCMD_MD	(112 | GPIO_ALT_FN_1_OUT)
 #define GPIO113_I2S_SYSCLK_MD	(113 | GPIO_ALT_FN_1_OUT)
 #define GPIO113_AC97_RESET_N_MD	(113 | GPIO_ALT_FN_2_OUT)
-#define GPIO117_I2CSCL_MD	(117 | GPIO_ALT_FN_1_OUT)
+#define GPIO117_I2CSCL_MD	(117 | GPIO_ALT_FN_1_IN)
 #define GPIO118_I2CSDA_MD	(118 | GPIO_ALT_FN_1_IN)
 
 /*
diff --git a/include/asm-arm/arch-s3c2410/gpio.h b/include/asm-arm/arch-s3c2410/gpio.h
index d47ae453f8c..7583895fd33 100644
--- a/include/asm-arm/arch-s3c2410/gpio.h
+++ b/include/asm-arm/arch-s3c2410/gpio.h
@@ -44,9 +44,11 @@ static inline int gpio_direction_input(unsigned gpio)
 	return 0;
 }
 
-static inline int gpio_direction_output(unsigned gpio)
+static inline int gpio_direction_output(unsigned gpio, int value)
 {
 	s3c2410_gpio_cfgpin(gpio, S3C2410_GPIO_OUTPUT);
+	/* REVISIT can we write the value first, to avoid glitching? */
+	s3c2410_gpio_setpin(gpio, value);
 	return 0;
 }
 
diff --git a/include/asm-arm/arch-sa1100/gpio.h b/include/asm-arm/arch-sa1100/gpio.h
index da7575b0e5d..e7a9d26e22a 100644
--- a/include/asm-arm/arch-sa1100/gpio.h
+++ b/include/asm-arm/arch-sa1100/gpio.h
@@ -38,7 +38,7 @@ static inline void gpio_free(unsigned gpio)
 }
 
 extern int gpio_direction_input(unsigned gpio);
-extern int gpio_direction_output(unsigned gpio);
+extern int gpio_direction_output(unsigned gpio, int value);
 
 
 static inline int gpio_get_value(unsigned gpio)
diff --git a/include/asm-arm/atomic.h b/include/asm-arm/atomic.h
index ea88aa6bfc7..f266c279512 100644
--- a/include/asm-arm/atomic.h
+++ b/include/asm-arm/atomic.h
@@ -103,9 +103,9 @@ static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr)
 	unsigned long tmp, tmp2;
 
 	__asm__ __volatile__("@ atomic_clear_mask\n"
-"1:	ldrex	%0, %2\n"
+"1:	ldrex	%0, [%2]\n"
 "	bic	%0, %0, %3\n"
-"	strex	%1, %0, %2\n"
+"	strex	%1, %0, [%2]\n"
 "	teq	%1, #0\n"
 "	bne	1b"
 	: "=&r" (tmp), "=&r" (tmp2)
diff --git a/include/asm-arm/system.h b/include/asm-arm/system.h
index f06d8a43fde..69134c7518c 100644
--- a/include/asm-arm/system.h
+++ b/include/asm-arm/system.h
@@ -3,6 +3,7 @@
 
 #ifdef __KERNEL__
 
+#include <asm/memory.h>
 
 #define CPU_ARCH_UNKNOWN	0
 #define CPU_ARCH_ARMv3		1
@@ -154,7 +155,7 @@ extern unsigned int user_debug;
 #define vectors_high()	(0)
 #endif
 
-#if __LINUX_ARM_ARCH__ >= 6
+#if defined(CONFIG_CPU_XSC3) || __LINUX_ARM_ARCH__ >= 6
 #define isb() __asm__ __volatile__ ("mcr p15, 0, %0, c7, c5, 4" \
 				    : : "r" (0) : "memory")
 #define dsb() __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 4" \
@@ -168,22 +169,23 @@ extern unsigned int user_debug;
 #define dmb() __asm__ __volatile__ ("" : : : "memory")
 #endif
 
-#define mb()			barrier()
-#define rmb()			barrier()
-#define wmb()			barrier()
-#define read_barrier_depends()	do { } while(0)
-
-#ifdef CONFIG_SMP
-#define smp_mb()		dmb()
-#define smp_rmb()		dmb()
-#define smp_wmb()		dmb()
-#define smp_read_barrier_depends()	read_barrier_depends()
+#ifndef CONFIG_SMP
+#define mb()	do { if (arch_is_coherent()) dmb(); else barrier(); } while (0)
+#define rmb()	do { if (arch_is_coherent()) dmb(); else barrier(); } while (0)
+#define wmb()	do { if (arch_is_coherent()) dmb(); else barrier(); } while (0)
+#define smp_mb()	barrier()
+#define smp_rmb()	barrier()
+#define smp_wmb()	barrier()
 #else
-#define smp_mb()		barrier()
-#define smp_rmb()		barrier()
-#define smp_wmb()		barrier()
-#define smp_read_barrier_depends()	read_barrier_depends()
-#endif /* CONFIG_SMP */
+#define mb()		dmb()
+#define rmb()		dmb()
+#define wmb()		dmb()
+#define smp_mb()	dmb()
+#define smp_rmb()	dmb()
+#define smp_wmb()	dmb()
+#endif
+#define read_barrier_depends()		do { } while(0)
+#define smp_read_barrier_depends()	do { } while(0)
 
 #define set_mb(var, value)	do { var = value; smp_mb(); } while (0)
 #define nop() __asm__ __volatile__("mov\tr0,r0\t@ nop\n\t");
diff --git a/include/asm-arm/unistd.h b/include/asm-arm/unistd.h
index 0991b7bc3f7..c025ab47e4b 100644
--- a/include/asm-arm/unistd.h
+++ b/include/asm-arm/unistd.h
@@ -372,7 +372,7 @@
 #define __NR_move_pages			(__NR_SYSCALL_BASE+344)
 #define __NR_getcpu			(__NR_SYSCALL_BASE+345)
 					/* 346 for epoll_pwait */
-#define __NR_sys_kexec_load		(__NR_SYSCALL_BASE+347)
+#define __NR_kexec_load			(__NR_SYSCALL_BASE+347)
 
 /*
  * The following SWIs are ARM private.