diff options
| author | Arnd Bergmann <arnd@arndb.de> | 2011-07-28 15:25:46 +0000 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2011-07-28 15:25:46 +0000 |
| commit | 6124a4e430b64d1577438c8648c59e996d02e73e (patch) | |
| tree | 49cfafad785d1c9e403a5b0d755298b9af2c260f /arch/m32r/include/asm/atomic.h | |
| parent | 8e267f3da5f117d2f1316cf6ddf740f93f1c73aa (diff) | |
| parent | 580975d7f48d7d047e22bb0f42adf7557801d8d4 (diff) | |
| download | op-kernel-dev-6124a4e430b64d1577438c8648c59e996d02e73e.zip op-kernel-dev-6124a4e430b64d1577438c8648c59e996d02e73e.tar.gz | |
Merge branch 'imx/dt' into next/dt
Diffstat (limited to 'arch/m32r/include/asm/atomic.h')
| -rw-r--r-- | arch/m32r/include/asm/atomic.h | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/arch/m32r/include/asm/atomic.h b/arch/m32r/include/asm/atomic.h index d44a51e..1e7f29f 100644 --- a/arch/m32r/include/asm/atomic.h +++ b/arch/m32r/include/asm/atomic.h @@ -239,15 +239,15 @@ static __inline__ int atomic_dec_return(atomic_t *v) #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) /** - * atomic_add_unless - add unless the number is a given value + * __atomic_add_unless - add unless the number is a given value * @v: pointer of type atomic_t * @a: the amount to add to v... * @u: ...unless v is equal to u. * * Atomically adds @a to @v, so long as it was not @u. - * Returns non-zero if @v was not @u, and zero otherwise. + * Returns the old value of @v. */ -static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) +static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) { int c, old; c = atomic_read(v); @@ -259,10 +259,9 @@ static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) break; c = old; } - return c != (u); + return c; } -#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) static __inline__ void atomic_clear_mask(unsigned long mask, atomic_t *addr) { @@ -314,5 +313,4 @@ static __inline__ void atomic_set_mask(unsigned long mask, atomic_t *addr) #define smp_mb__before_atomic_inc() barrier() #define smp_mb__after_atomic_inc() barrier() -#include <asm-generic/atomic-long.h> #endif /* _ASM_M32R_ATOMIC_H */ |
