Merge branch 'linus' into core/locking

Conflicts:
	fs/btrfs/locking.c

9 files changed, 107 insertions, 62 deletions

diff --git a/arch/mips/include/asm/Kbuild b/arch/mips/include/asm/Kbuild
index 023866c0c10..7897f05e316 100644
--- a/arch/mips/include/asm/Kbuild
+++ b/arch/mips/include/asm/Kbuild
@@ -1,4 +1,3 @@
 include include/asm-generic/Kbuild.asm
 
 header-y += cachectl.h sgidefs.h sysmips.h
-header-y += swab.h
diff --git a/arch/mips/include/asm/atomic.h b/arch/mips/include/asm/atomic.h
index c996c3b4d07..1b332e15ab5 100644
--- a/arch/mips/include/asm/atomic.h
+++ b/arch/mips/include/asm/atomic.h
@@ -50,7 +50,7 @@
 static __inline__ void atomic_add(int i, atomic_t * v)
 {
 	if (cpu_has_llsc && R10000_LLSC_WAR) {
-		unsigned long temp;
+		int temp;
 
 		__asm__ __volatile__(
 		"	.set	mips3					\n"
@@ -62,7 +62,7 @@ static __inline__ void atomic_add(int i, atomic_t * v)
 		: "=&r" (temp), "=m" (v->counter)
 		: "Ir" (i), "m" (v->counter));
 	} else if (cpu_has_llsc) {
-		unsigned long temp;
+		int temp;
 
 		__asm__ __volatile__(
 		"	.set	mips3					\n"
@@ -95,7 +95,7 @@ static __inline__ void atomic_add(int i, atomic_t * v)
 static __inline__ void atomic_sub(int i, atomic_t * v)
 {
 	if (cpu_has_llsc && R10000_LLSC_WAR) {
-		unsigned long temp;
+		int temp;
 
 		__asm__ __volatile__(
 		"	.set	mips3					\n"
@@ -107,7 +107,7 @@ static __inline__ void atomic_sub(int i, atomic_t * v)
 		: "=&r" (temp), "=m" (v->counter)
 		: "Ir" (i), "m" (v->counter));
 	} else if (cpu_has_llsc) {
-		unsigned long temp;
+		int temp;
 
 		__asm__ __volatile__(
 		"	.set	mips3					\n"
@@ -135,12 +135,12 @@ static __inline__ void atomic_sub(int i, atomic_t * v)
  */
 static __inline__ int atomic_add_return(int i, atomic_t * v)
 {
-	unsigned long result;
+	int result;
 
 	smp_llsc_mb();
 
 	if (cpu_has_llsc && R10000_LLSC_WAR) {
-		unsigned long temp;
+		int temp;
 
 		__asm__ __volatile__(
 		"	.set	mips3					\n"
@@ -154,7 +154,7 @@ static __inline__ int atomic_add_return(int i, atomic_t * v)
 		: "Ir" (i), "m" (v->counter)
 		: "memory");
 	} else if (cpu_has_llsc) {
-		unsigned long temp;
+		int temp;
 
 		__asm__ __volatile__(
 		"	.set	mips3					\n"
@@ -187,12 +187,12 @@ static __inline__ int atomic_add_return(int i, atomic_t * v)
 
 static __inline__ int atomic_sub_return(int i, atomic_t * v)
 {
-	unsigned long result;
+	int result;
 
 	smp_llsc_mb();
 
 	if (cpu_has_llsc && R10000_LLSC_WAR) {
-		unsigned long temp;
+		int temp;
 
 		__asm__ __volatile__(
 		"	.set	mips3					\n"
@@ -206,7 +206,7 @@ static __inline__ int atomic_sub_return(int i, atomic_t * v)
 		: "Ir" (i), "m" (v->counter)
 		: "memory");
 	} else if (cpu_has_llsc) {
-		unsigned long temp;
+		int temp;
 
 		__asm__ __volatile__(
 		"	.set	mips3					\n"
@@ -247,12 +247,12 @@ static __inline__ int atomic_sub_return(int i, atomic_t * v)
  */
 static __inline__ int atomic_sub_if_positive(int i, atomic_t * v)
 {
-	unsigned long result;
+	int result;
 
 	smp_llsc_mb();
 
 	if (cpu_has_llsc && R10000_LLSC_WAR) {
-		unsigned long temp;
+		int temp;
 
 		__asm__ __volatile__(
 		"	.set	mips3					\n"
@@ -270,7 +270,7 @@ static __inline__ int atomic_sub_if_positive(int i, atomic_t * v)
 		: "Ir" (i), "m" (v->counter)
 		: "memory");
 	} else if (cpu_has_llsc) {
-		unsigned long temp;
+		int temp;
 
 		__asm__ __volatile__(
 		"	.set	mips3					\n"
@@ -429,7 +429,7 @@ static __inline__ int atomic_add_unless(atomic_t *v, int a, int u)
 static __inline__ void atomic64_add(long i, atomic64_t * v)
 {
 	if (cpu_has_llsc && R10000_LLSC_WAR) {
-		unsigned long temp;
+		long temp;
 
 		__asm__ __volatile__(
 		"	.set	mips3					\n"
@@ -441,7 +441,7 @@ static __inline__ void atomic64_add(long i, atomic64_t * v)
 		: "=&r" (temp), "=m" (v->counter)
 		: "Ir" (i), "m" (v->counter));
 	} else if (cpu_has_llsc) {
-		unsigned long temp;
+		long temp;
 
 		__asm__ __volatile__(
 		"	.set	mips3					\n"
@@ -474,7 +474,7 @@ static __inline__ void atomic64_add(long i, atomic64_t * v)
 static __inline__ void atomic64_sub(long i, atomic64_t * v)
 {
 	if (cpu_has_llsc && R10000_LLSC_WAR) {
-		unsigned long temp;
+		long temp;
 
 		__asm__ __volatile__(
 		"	.set	mips3					\n"
@@ -486,7 +486,7 @@ static __inline__ void atomic64_sub(long i, atomic64_t * v)
 		: "=&r" (temp), "=m" (v->counter)
 		: "Ir" (i), "m" (v->counter));
 	} else if (cpu_has_llsc) {
-		unsigned long temp;
+		long temp;
 
 		__asm__ __volatile__(
 		"	.set	mips3					\n"
@@ -514,12 +514,12 @@ static __inline__ void atomic64_sub(long i, atomic64_t * v)
  */
 static __inline__ long atomic64_add_return(long i, atomic64_t * v)
 {
-	unsigned long result;
+	long result;
 
 	smp_llsc_mb();
 
 	if (cpu_has_llsc && R10000_LLSC_WAR) {
-		unsigned long temp;
+		long temp;
 
 		__asm__ __volatile__(
 		"	.set	mips3					\n"
@@ -533,7 +533,7 @@ static __inline__ long atomic64_add_return(long i, atomic64_t * v)
 		: "Ir" (i), "m" (v->counter)
 		: "memory");
 	} else if (cpu_has_llsc) {
-		unsigned long temp;
+		long temp;
 
 		__asm__ __volatile__(
 		"	.set	mips3					\n"
@@ -566,12 +566,12 @@ static __inline__ long atomic64_add_return(long i, atomic64_t * v)
 
 static __inline__ long atomic64_sub_return(long i, atomic64_t * v)
 {
-	unsigned long result;
+	long result;
 
 	smp_llsc_mb();
 
 	if (cpu_has_llsc && R10000_LLSC_WAR) {
-		unsigned long temp;
+		long temp;
 
 		__asm__ __volatile__(
 		"	.set	mips3					\n"
@@ -585,7 +585,7 @@ static __inline__ long atomic64_sub_return(long i, atomic64_t * v)
 		: "Ir" (i), "m" (v->counter)
 		: "memory");
 	} else if (cpu_has_llsc) {
-		unsigned long temp;
+		long temp;
 
 		__asm__ __volatile__(
 		"	.set	mips3					\n"
@@ -626,12 +626,12 @@ static __inline__ long atomic64_sub_return(long i, atomic64_t * v)
  */
 static __inline__ long atomic64_sub_if_positive(long i, atomic64_t * v)
 {
-	unsigned long result;
+	long result;
 
 	smp_llsc_mb();
 
 	if (cpu_has_llsc && R10000_LLSC_WAR) {
-		unsigned long temp;
+		long temp;
 
 		__asm__ __volatile__(
 		"	.set	mips3					\n"
@@ -649,7 +649,7 @@ static __inline__ long atomic64_sub_if_positive(long i, atomic64_t * v)
 		: "Ir" (i), "m" (v->counter)
 		: "memory");
 	} else if (cpu_has_llsc) {
-		unsigned long temp;
+		long temp;
 
 		__asm__ __volatile__(
 		"	.set	mips3					\n"
diff --git a/arch/mips/include/asm/byteorder.h b/arch/mips/include/asm/byteorder.h
index 607b7183070..9579051ff1c 100644
--- a/arch/mips/include/asm/byteorder.h
+++ b/arch/mips/include/asm/byteorder.h
@@ -8,8 +8,6 @@
 #ifndef _ASM_BYTEORDER_H
 #define _ASM_BYTEORDER_H
 
-#include <asm/swab.h>
-
 #if defined(__MIPSEB__)
 #include <linux/byteorder/big_endian.h>
 #elif defined(__MIPSEL__)
diff --git a/arch/mips/include/asm/mach-rc32434/gpio.h b/arch/mips/include/asm/mach-rc32434/gpio.h
index b5cf6457305..3cb50d17b62 100644
--- a/arch/mips/include/asm/mach-rc32434/gpio.h
+++ b/arch/mips/include/asm/mach-rc32434/gpio.h
@@ -80,11 +80,8 @@ struct rb532_gpio_reg {
 /* Compact Flash GPIO pin */
 #define CF_GPIO_NUM		13
 
-extern void set_434_reg(unsigned reg_offs, unsigned bit, unsigned len, unsigned val);
-extern unsigned get_434_reg(unsigned reg_offs);
-extern void set_latch_u5(unsigned char or_mask, unsigned char nand_mask);
-extern unsigned char get_latch_u5(void);
 extern void rb532_gpio_set_ilevel(int bit, unsigned gpio);
 extern void rb532_gpio_set_istat(int bit, unsigned gpio);
+extern void rb532_gpio_set_func(unsigned gpio);
 
 #endif /* _RC32434_GPIO_H_ */
diff --git a/arch/mips/include/asm/mach-rc32434/irq.h b/arch/mips/include/asm/mach-rc32434/irq.h
index 56738d8ec4e..023a5b100ed 100644
--- a/arch/mips/include/asm/mach-rc32434/irq.h
+++ b/arch/mips/include/asm/mach-rc32434/irq.h
@@ -30,4 +30,7 @@
 #define ETH0_RX_OVR_IRQ   	(GROUP3_IRQ_BASE + 9)
 #define ETH0_TX_UND_IRQ   	(GROUP3_IRQ_BASE + 10)
 
+#define GPIO_MAPPED_IRQ_BASE	GROUP4_IRQ_BASE
+#define GPIO_MAPPED_IRQ_GROUP	4
+
 #endif  /* __ASM_RC32434_IRQ_H */
diff --git a/arch/mips/include/asm/mach-rc32434/rb.h b/arch/mips/include/asm/mach-rc32434/rb.h
index f25a8491670..6dc5f8df1f3 100644
--- a/arch/mips/include/asm/mach-rc32434/rb.h
+++ b/arch/mips/include/asm/mach-rc32434/rb.h
@@ -83,4 +83,7 @@ struct mpmc_device {
 	void __iomem 	*base;
 };
 
+extern void set_latch_u5(unsigned char or_mask, unsigned char nand_mask);
+extern unsigned char get_latch_u5(void);
+
 #endif  /* __ASM_RC32434_RB_H */
diff --git a/arch/mips/include/asm/ptrace.h b/arch/mips/include/asm/ptrace.h
index 1f30d16d466..ce47118e52b 100644
--- a/arch/mips/include/asm/ptrace.h
+++ b/arch/mips/include/asm/ptrace.h
@@ -105,7 +105,7 @@ struct pt_watch_regs {
 	enum pt_watch_style style;
 	union {
 		struct mips32_watch_regs mips32;
-		struct mips32_watch_regs mips64;
+		struct mips64_watch_regs mips64;
 	};
 };
 
diff --git a/arch/mips/include/asm/termios.h b/arch/mips/include/asm/termios.h
index a275661fa7e..8f77f774a2a 100644
--- a/arch/mips/include/asm/termios.h
+++ b/arch/mips/include/asm/termios.h
@@ -9,6 +9,7 @@
 #ifndef _ASM_TERMIOS_H
 #define _ASM_TERMIOS_H
 
+#include <linux/errno.h>
 #include <asm/termbits.h>
 #include <asm/ioctls.h>
 
@@ -94,38 +95,81 @@ struct termio {
 /*
  * Translate a "termio" structure into a "termios". Ugh.
  */
-#define user_termio_to_kernel_termios(termios, termio) \
-({ \
-	unsigned short tmp; \
-	get_user(tmp, &(termio)->c_iflag); \
-	(termios)->c_iflag = (0xffff0000 & ((termios)->c_iflag)) | tmp; \
-	get_user(tmp, &(termio)->c_oflag); \
-	(termios)->c_oflag = (0xffff0000 & ((termios)->c_oflag)) | tmp; \
-	get_user(tmp, &(termio)->c_cflag); \
-	(termios)->c_cflag = (0xffff0000 & ((termios)->c_cflag)) | tmp; \
-	get_user(tmp, &(termio)->c_lflag); \
-	(termios)->c_lflag = (0xffff0000 & ((termios)->c_lflag)) | tmp; \
-	get_user((termios)->c_line, &(termio)->c_line); \
-	copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \
-})
+static inline int user_termio_to_kernel_termios(struct ktermios *termios,
+	struct termio __user *termio)
+{
+	unsigned short iflag, oflag, cflag, lflag;
+	unsigned int err;
+
+	if (!access_ok(VERIFY_READ, termio, sizeof(struct termio)))
+		return -EFAULT;
+
+	err = __get_user(iflag, &termio->c_iflag);
+	termios->c_iflag = (termios->c_iflag & 0xffff0000) | iflag;
+	err |=__get_user(oflag, &termio->c_oflag);
+	termios->c_oflag = (termios->c_oflag & 0xffff0000) | oflag;
+	err |=__get_user(cflag, &termio->c_cflag);
+	termios->c_cflag = (termios->c_cflag & 0xffff0000) | cflag;
+	err |=__get_user(lflag, &termio->c_lflag);
+	termios->c_lflag = (termios->c_lflag & 0xffff0000) | lflag;
+	err |=__get_user(termios->c_line, &termio->c_line);
+	if (err)
+		return -EFAULT;
+
+	if (__copy_from_user(termios->c_cc, termio->c_cc, NCC))
+		return -EFAULT;
+
+	return 0;
+}
 
 /*
  * Translate a "termios" structure into a "termio". Ugh.
  */
-#define kernel_termios_to_user_termio(termio, termios) \
-({ \
-	put_user((termios)->c_iflag, &(termio)->c_iflag); \
-	put_user((termios)->c_oflag, &(termio)->c_oflag); \
-	put_user((termios)->c_cflag, &(termio)->c_cflag); \
-	put_user((termios)->c_lflag, &(termio)->c_lflag); \
-	put_user((termios)->c_line, &(termio)->c_line); \
-	copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
-})
-
-#define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios2))
-#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios2))
-#define user_termios_to_kernel_termios_1(k, u) copy_from_user(k, u, sizeof(struct termios))
-#define kernel_termios_to_user_termios_1(u, k) copy_to_user(u, k, sizeof(struct termios))
+static inline int kernel_termios_to_user_termio(struct termio __user *termio,
+	struct ktermios *termios)
+{
+	int err;
+
+	if (!access_ok(VERIFY_WRITE, termio, sizeof(struct termio)))
+		return -EFAULT;
+
+	err = __put_user(termios->c_iflag, &termio->c_iflag);
+	err |= __put_user(termios->c_oflag, &termio->c_oflag);
+	err |= __put_user(termios->c_cflag, &termio->c_cflag);
+	err |= __put_user(termios->c_lflag, &termio->c_lflag);
+	err |= __put_user(termios->c_line, &termio->c_line);
+	if (err)
+		return -EFAULT;
+
+	if (__copy_to_user(termio->c_cc, termios->c_cc, NCC))
+		return -EFAULT;
+
+	return 0;
+}
+
+static inline int user_termios_to_kernel_termios(struct ktermios __user *k,
+	struct termios2 *u)
+{
+	return copy_from_user(k, u, sizeof(struct termios2)) ? -EFAULT : 0;
+}
+
+static inline int kernel_termios_to_user_termios(struct termios2 __user *u,
+	struct ktermios *k)
+{
+	return copy_to_user(u, k, sizeof(struct termios2)) ? -EFAULT : 0;
+}
+
+static inline int user_termios_to_kernel_termios_1(struct ktermios *k,
+	struct termios __user *u)
+{
+	return copy_from_user(k, u, sizeof(struct termios)) ? -EFAULT : 0;
+}
+
+static inline int kernel_termios_to_user_termios_1(struct termios __user *u,
+	struct ktermios *k)
+{
+	return copy_to_user(u, k, sizeof(struct termios)) ? -EFAULT : 0;
+}
 
 #endif /* defined(__KERNEL__) */
 
diff --git a/arch/mips/include/asm/txx9/tx4939.h b/arch/mips/include/asm/txx9/tx4939.h
index 88badb42301..964ef7ede26 100644
--- a/arch/mips/include/asm/txx9/tx4939.h
+++ b/arch/mips/include/asm/txx9/tx4939.h
@@ -541,5 +541,6 @@ void tx4939_irq_init(void);
 int tx4939_irq(void);
 void tx4939_mtd_init(int ch);
 void tx4939_ata_init(void);
+void tx4939_rtc_init(void);
 
 #endif /* __ASM_TXX9_TX4939_H */