arch/tile: revert comment for atomic64_add_unless().

It still returns whether @v was not @u, not the old value,
unlike __atomic_add_unless().

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Acked-by: Arun Sharma <asharma@fb.com>
This commit is contained in:
Chris Metcalf 2012-03-27 14:10:03 -04:00
parent 327e8b6b25
commit 07feea877d

View File

@ -200,7 +200,7 @@ static inline u64 atomic64_add_return(u64 i, atomic64_t *v)
* @u: ...unless v is equal to u. * @u: ...unless v is equal to u.
* *
* Atomically adds @a to @v, so long as @v was not already @u. * Atomically adds @a to @v, so long as @v was not already @u.
* Returns the old value of @v. * Returns non-zero if @v was not @u, and zero otherwise.
*/ */
static inline u64 atomic64_add_unless(atomic64_t *v, u64 a, u64 u) static inline u64 atomic64_add_unless(atomic64_t *v, u64 a, u64 u)
{ {