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Diffstat (limited to 'arch/alpha/include/asm/atomic.h')
-rw-r--r--arch/alpha/include/asm/atomic.h12
1 files changed, 5 insertions, 7 deletions
diff --git a/arch/alpha/include/asm/atomic.h b/arch/alpha/include/asm/atomic.h
index e756d04b6cd5..640f909ddd41 100644
--- a/arch/alpha/include/asm/atomic.h
+++ b/arch/alpha/include/asm/atomic.h
@@ -176,15 +176,15 @@ static __inline__ long atomic64_sub_return(long i, atomic64_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);
@@ -196,10 +196,9 @@ 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)
/**
* atomic64_add_unless - add unless the number is a given value
@@ -208,7 +207,7 @@ static __inline__ int atomic_add_unless(atomic_t *v, int a, int u)
* @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)
{
@@ -256,5 +255,4 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)
#define smp_mb__before_atomic_inc() smp_mb()
#define smp_mb__after_atomic_inc() smp_mb()
-#include <asm-generic/atomic-long.h>
#endif /* _ALPHA_ATOMIC_H */