atomic: move atomic_add_unless to generic code

[deliverable/linux.git] / arch / xtensa / include / asm / atomic.h

diff --git a/arch/xtensa/include/asm/atomic.h b/arch/xtensa/include/asm/atomic.h
index a96a0619d0b7ec630dc3cecf124a7389d6ce3cf3..e464212f9ee6ae06877f9714ec957bd816a6d945 100644 (file)
--- a/arch/xtensa/include/asm/atomic.h
+++ b/arch/xtensa/include/asm/atomic.h
@@ -225,15 +225,15 @@ static inline int atomic_sub_return(int i, 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);
@@ -245,10 +245,9 @@ 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)
 
 static inline void atomic_clear_mask(unsigned int mask, atomic_t *v)
 {