remove cruft from microblaze atomic.h

(cherry picked from commit 94252dd341a7c72b31db2614abdc74142ad80562)

diff --git a/arch/microblaze/atomic.h b/arch/microblaze/atomic.h
index 818bcc0ddf4113a1d941e896455634d530114162..90fcd8b68840afe9d3ab718889357864be6ba3ae 100644 (file)
--- a/arch/microblaze/atomic.h
+++ b/arch/microblaze/atomic.h
@@ -22,19 +22,6 @@ static inline int a_ctz_64(uint64_t x)
        return a_ctz_l(y);
 }
 
-static inline int a_cas_1(volatile int *p, int t, int s)
-{
-       register int tmp;
-       do {
-               __asm__ __volatile__ ("lwx %0, %1, r0"
-                       : "=r"(tmp) : "r"(p) : "memory");
-               if (tmp != t) return tmp;
-               __asm__ __volatile__ ("swx %2, %1, r0 ; addic %0, r0, 0"
-                       : "=r"(tmp) : "r"(p), "r"(s) : "cc", "memory");
-       } while (tmp);
-       return t;
-}
-
 static inline int a_cas(volatile int *p, int t, int s)
 {
        register int old, tmp;