add atomic_sub_and_test define.
Signed-off-by: Yoshinori Sato <[email protected]>
diff --git a/include/asm-h8300/atomic.h b/include/asm-h8300/atomic.h
index 21f5442..b4cf0ea 100644
--- a/include/asm-h8300/atomic.h
+++ b/include/asm-h8300/atomic.h
@@ -37,6 +37,7 @@ static __inline__ int atomic_sub_return(int i, atomic_t *v)
}
#define atomic_sub(i, v) atomic_sub_return(i, v)
+#define atomic_sub_and_test(i,v) (atomic_sub_return(i, v) == 0)
static __inline__ int atomic_inc_return(atomic_t *v)
{
--
Yoshinori Sato
<[email protected]>