diff options
| author | Jiri Kosina <jkosina@suse.cz> | 2011-09-15 15:08:05 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2011-09-15 15:08:18 +0200 |
| commit | e060c38434b2caa78efe7cedaff4191040b65a15 (patch) | |
| tree | 407361230bf6733f63d8e788e4b5e6566ee04818 /arch/parisc/include/asm/atomic.h | |
| parent | 10e4ac572eeffe5317019bd7330b6058a400dfc2 (diff) | |
| parent | cc39c6a9bbdebfcf1a7dee64d83bf302bc38d941 (diff) | |
Merge branch 'master' into for-next
Fast-forward merge with Linus to be able to merge patches
based on more recent version of the tree.
Diffstat (limited to 'arch/parisc/include/asm/atomic.h')
| -rw-r--r-- | arch/parisc/include/asm/atomic.h | 20 |
1 files changed, 7 insertions, 13 deletions
diff --git a/arch/parisc/include/asm/atomic.h b/arch/parisc/include/asm/atomic.h index f81955934ae..4054b31e0fa 100644 --- a/arch/parisc/include/asm/atomic.h +++ b/arch/parisc/include/asm/atomic.h @@ -197,15 +197,15 @@ static __inline__ int atomic_read(const 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); @@ -217,10 +217,9 @@ 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) #define atomic_add(i,v) ((void)(__atomic_add_return( (i),(v)))) #define atomic_sub(i,v) ((void)(__atomic_add_return(-(i),(v)))) @@ -259,10 +258,10 @@ static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) #define ATOMIC64_INIT(i) ((atomic64_t) { (i) }) -static __inline__ int +static __inline__ s64 __atomic64_add_return(s64 i, atomic64_t *v) { - int ret; + s64 ret; unsigned long flags; _atomic_spin_lock_irqsave(v, flags); @@ -317,7 +316,7 @@ atomic64_read(const atomic64_t *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 atomic64_add_unless(atomic64_t *v, long a, long u) { @@ -336,12 +335,7 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0) -#else /* CONFIG_64BIT */ - -#include <asm-generic/atomic64.h> - #endif /* !CONFIG_64BIT */ -#include <asm-generic/atomic-long.h> #endif /* _ASM_PARISC_ATOMIC_H_ */ |