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-rw-r--r--include/asm-m32r/system.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/asm-m32r/system.h b/include/asm-m32r/system.h
index 9e618afec6ed..4ce0619f6989 100644
--- a/include/asm-m32r/system.h
+++ b/include/asm-m32r/system.h
@@ -328,15 +328,15 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
#define smp_rmb() rmb()
#define smp_wmb() wmb()
#define smp_read_barrier_depends() read_barrier_depends()
+#define set_mb(var, value) do { (void) xchg(&var, value); } while (0)
#else
#define smp_mb() barrier()
#define smp_rmb() barrier()
#define smp_wmb() barrier()
#define smp_read_barrier_depends() do { } while (0)
+#define set_mb(var, value) do { var = value; barrier(); } while (0)
#endif
-#define set_mb(var, value) do { xchg(&var, value); } while (0)
-
#define arch_align_stack(x) (x)
#endif /* _ASM_M32R_SYSTEM_H */