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-rw-r--r--include/asm-sparc/atomic.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-sparc/atomic.h b/include/asm-sparc/atomic.h
index accb4967e9d..e1033170bd3 100644
--- a/include/asm-sparc/atomic.h
+++ b/include/asm-sparc/atomic.h
@@ -20,6 +20,7 @@ typedef struct { volatile int counter; } atomic_t;
extern int __atomic_add_return(int, atomic_t *);
extern int atomic_cmpxchg(atomic_t *, int, int);
+#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
extern int atomic_add_unless(atomic_t *, int, int);
extern void atomic_set(atomic_t *, int);