atomics/treewide: Make conditional inc/dec ops optional

[sfrench/cifs-2.6.git] / arch / ia64 / include / asm / atomic.h

diff --git a/arch/ia64/include/asm/atomic.h b/arch/ia64/include/asm/atomic.h
index 46a15a974bedfe689309397e6922202c6099c74d..206530d0751b51b568a5c4f657af7d09ea27d942 100644 (file)
--- a/arch/ia64/include/asm/atomic.h
+++ b/arch/ia64/include/asm/atomic.h
@@ -215,22 +215,6 @@ ATOMIC64_FETCH_OP(xor, ^)
        (cmpxchg(&((v)->counter), old, new))
 #define atomic64_xchg(v, new) (xchg(&((v)->counter), new))
 
-static __inline__ long atomic64_dec_if_positive(atomic64_t *v)
-{
-       long c, old, dec;
-       c = atomic64_read(v);
-       for (;;) {
-               dec = c - 1;
-               if (unlikely(dec < 0))
-                       break;
-               old = atomic64_cmpxchg((v), c, dec);
-               if (likely(old == c))
-                       break;
-               c = old;
-       }
-       return dec;
-}
-
 #define atomic_add(i,v)                        (void)atomic_add_return((i), (v))
 #define atomic_sub(i,v)                        (void)atomic_sub_return((i), (v))