From: Chris Metcalf <cmetcalf@tilera.com>
Date: Tue, 27 Mar 2012 18:10:03 +0000 (-0400)
Subject: arch/tile: revert comment for atomic64_add_unless().
X-Git-Tag: v3.4-rc2~7^2~33
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=07feea877d18453bbe4ad47fe2a365eebf56a7af;p=thirdparty%2Flinux.git

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>
---

diff --git a/arch/tile/include/asm/atomic_32.h b/arch/tile/include/asm/atomic_32.h
index 466dc4a39a4fa..54d1da826f93d 100644
--- a/arch/tile/include/asm/atomic_32.h
+++ b/arch/tile/include/asm/atomic_32.h
@@ -200,7 +200,7 @@ static inline u64 atomic64_add_return(u64 i, atomic64_t *v)
  * @u: ...unless v is equal to 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)
 {