[PATCH] atomic_inc_return() for sparc64

This patch declares atomic_add_return() as an alias of __atomic_add().
atomic64_add_return(),atomic_sub_return() and atomic64_sub_return() are
same.
Signed-off-by: KaiGai, Kohei <kaigai@ak.jp.nec.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

include/asm-sparc64/atomic.h

@@ -40,6 +40,12 @@ extern int __atomic64_sub(__s64, atomic64_t *);
 #define atomic_inc_return(v) __atomic_add(1, v)
 #define atomic64_inc_return(v) __atomic64_add(1, v)
 
+#define atomic_sub_return(i, v) __atomic_sub(i, v)
+#define atomic64_sub_return(i, v) __atomic64_sub(i, v)
+
+#define atomic_add_return(i, v) __atomic_add(i, v)
+#define atomic64_add_return(i, v) __atomic64_add(i, v)
+
 /*
  * atomic_inc_and_test - increment and test
  * @v: pointer of type atomic_t