---

yaml
---
r: 145459
b: refs/heads/master
c: 39d8bbe
h: refs/heads/master
i:
  145457: 31c5cb7
  145455: 07363b3
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 65039a31f4e44630f96f1b602c43cc8ad180d4fe
+refs/heads/master: 39d8bbedb9571a89d638f5b05358f26ab503d7a6

trunk/MAINTAINERS

@@ -624,7 +624,6 @@ M:	paulius.zaleckas@teltonika.lt
 L:	linux-arm-kernel@lists.arm.linux.org.uk (subscribers-only)
 T:	git git://gitorious.org/linux-gemini/mainline.git
 S:	Maintained
-F:	arch/arm/mach-gemini/
 
 ARM/EBSA110 MACHINE SUPPORT
 P:	Russell King
@@ -651,7 +650,6 @@ P:	Paulius Zaleckas
 M:	paulius.zaleckas@teltonika.lt
 L:	linux-arm-kernel@lists.arm.linux.org.uk (subscribers-only)
 S:	Maintained
-F:	arch/arm/mm/*-fa*
 
 ARM/FOOTBRIDGE ARCHITECTURE
 P:	Russell King
@@ -1542,13 +1540,6 @@ W:	http://www.fi.muni.cz/~kas/cosa/
 S:	Maintained
 F:	drivers/net/wan/cosa*
 
-CPMAC ETHERNET DRIVER
-P:	Florian Fainelli
-M:	florian@openwrt.org
-L:	netdev@vger.kernel.org
-S:	Maintained
-F:	drivers/net/cpmac.c
-
 CPU FREQUENCY DRIVERS
 P:	Dave Jones
 M:	davej@redhat.com
@@ -2258,7 +2249,7 @@ P:	Li Yang
 M:	leoli@freescale.com
 P:	Zhang Wei
 M:	zw@zh-kernel.org
-L:	linuxppc-dev@ozlabs.org
+L:	linuxppc-embedded@ozlabs.org
 L:	linux-kernel@vger.kernel.org
 S:	Maintained
 F:	drivers/dma/fsldma.*

trunk/arch/arm/include/asm/assembler.h

@@ -114,16 +114,3 @@
 	.align	3;				\
 	.long	9999b,9001f;			\
 	.previous
-
-/*
- * SMP data memory barrier
- */
-	.macro	smp_dmb
-#ifdef CONFIG_SMP
-#if __LINUX_ARM_ARCH__ >= 7
-	dmb
-#elif __LINUX_ARM_ARCH__ == 6
-	mcr	p15, 0, r0, c7, c10, 5	@ dmb
-#endif
-#endif
-	.endm

trunk/arch/arm/include/asm/atomic.h

@@ -44,29 +44,11 @@ static inline void atomic_set(atomic_t *v, int i)
 	: "cc");
 }
 
-static inline void atomic_add(int i, atomic_t *v)
-{
-	unsigned long tmp;
-	int result;
-
-	__asm__ __volatile__("@ atomic_add\n"
-"1:	ldrex	%0, [%2]\n"
-"	add	%0, %0, %3\n"
-"	strex	%1, %0, [%2]\n"
-"	teq	%1, #0\n"
-"	bne	1b"
-	: "=&r" (result), "=&r" (tmp)
-	: "r" (&v->counter), "Ir" (i)
-	: "cc");
-}
-
 static inline int atomic_add_return(int i, atomic_t *v)
 {
 	unsigned long tmp;
 	int result;
 
-	smp_mb();
-
 	__asm__ __volatile__("@ atomic_add_return\n"
 "1:	ldrex	%0, [%2]\n"
 "	add	%0, %0, %3\n"
@@ -77,34 +59,14 @@ static inline int atomic_add_return(int i, atomic_t *v)
 	: "r" (&v->counter), "Ir" (i)
 	: "cc");
 
-	smp_mb();
-
 	return result;
 }
 
-static inline void atomic_sub(int i, atomic_t *v)
-{
-	unsigned long tmp;
-	int result;
-
-	__asm__ __volatile__("@ atomic_sub\n"
-"1:	ldrex	%0, [%2]\n"
-"	sub	%0, %0, %3\n"
-"	strex	%1, %0, [%2]\n"
-"	teq	%1, #0\n"
-"	bne	1b"
-	: "=&r" (result), "=&r" (tmp)
-	: "r" (&v->counter), "Ir" (i)
-	: "cc");
-}
-
 static inline int atomic_sub_return(int i, atomic_t *v)
 {
 	unsigned long tmp;
 	int result;
 
-	smp_mb();
-
 	__asm__ __volatile__("@ atomic_sub_return\n"
 "1:	ldrex	%0, [%2]\n"
 "	sub	%0, %0, %3\n"
@@ -115,17 +77,13 @@ static inline int atomic_sub_return(int i, atomic_t *v)
 	: "r" (&v->counter), "Ir" (i)
 	: "cc");
 
-	smp_mb();
-
 	return result;
 }
 
 static inline int atomic_cmpxchg(atomic_t *ptr, int old, int new)
 {
 	unsigned long oldval, res;
 
-	smp_mb();
-
 	do {
 		__asm__ __volatile__("@ atomic_cmpxchg\n"
 		"ldrex	%1, [%2]\n"
@@ -137,8 +95,6 @@ static inline int atomic_cmpxchg(atomic_t *ptr, int old, int new)
 		    : "cc");
 	} while (res);
 
-	smp_mb();
-
 	return oldval;
 }
 
@@ -179,7 +135,6 @@ static inline int atomic_add_return(int i, atomic_t *v)
 
 	return val;
 }
-#define atomic_add(i, v)	(void) atomic_add_return(i, v)
 
 static inline int atomic_sub_return(int i, atomic_t *v)
 {
@@ -193,7 +148,6 @@ static inline int atomic_sub_return(int i, atomic_t *v)
 
 	return val;
 }
-#define atomic_sub(i, v)	(void) atomic_sub_return(i, v)
 
 static inline int atomic_cmpxchg(atomic_t *v, int old, int new)
 {
@@ -233,8 +187,10 @@ static inline int atomic_add_unless(atomic_t *v, int a, int u)
 }
 #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
 
-#define atomic_inc(v)		atomic_add(1, v)
-#define atomic_dec(v)		atomic_sub(1, v)
+#define atomic_add(i, v)	(void) atomic_add_return(i, v)
+#define atomic_inc(v)		(void) atomic_add_return(1, v)
+#define atomic_sub(i, v)	(void) atomic_sub_return(i, v)
+#define atomic_dec(v)		(void) atomic_sub_return(1, v)
 
 #define atomic_inc_and_test(v)	(atomic_add_return(1, v) == 0)
 #define atomic_dec_and_test(v)	(atomic_sub_return(1, v) == 0)
@@ -244,10 +200,11 @@ static inline int atomic_add_unless(atomic_t *v, int a, int u)
 
 #define atomic_add_negative(i,v) (atomic_add_return(i, v) < 0)
 
-#define smp_mb__before_atomic_dec()	smp_mb()
-#define smp_mb__after_atomic_dec()	smp_mb()
-#define smp_mb__before_atomic_inc()	smp_mb()
-#define smp_mb__after_atomic_inc()	smp_mb()
+/* Atomic operations are already serializing on ARM */
+#define smp_mb__before_atomic_dec()	barrier()
+#define smp_mb__after_atomic_dec()	barrier()
+#define smp_mb__before_atomic_inc()	barrier()
+#define smp_mb__after_atomic_inc()	barrier()
 
 #include <asm-generic/atomic.h>
 #endif