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-rw-r--r--include/asm-h8300/atomic.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/asm-h8300/atomic.h b/include/asm-h8300/atomic.h
index f23d86819ea..21f54428c86 100644
--- a/include/asm-h8300/atomic.h
+++ b/include/asm-h8300/atomic.h
@@ -95,6 +95,8 @@ static inline int atomic_cmpxchg(atomic_t *v, int old, int new)
return ret;
}
+#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
+
static inline int atomic_add_unless(atomic_t *v, int a, int u)
{
int ret;
@@ -137,4 +139,5 @@ static __inline__ void atomic_set_mask(unsigned long mask, unsigned long *v)
#define smp_mb__before_atomic_inc() barrier()
#define smp_mb__after_atomic_inc() barrier()
+#include <asm-generic/atomic.h>
#endif /* __ARCH_H8300_ATOMIC __ */