ACPI: video: Add dev argument for backlight_device_register

[linux-2.6-omap-h63xx.git] / include / asm-m32r / system.h

diff --git a/include/asm-m32r/system.h b/include/asm-m32r/system.h
index 9e618afec6ed7bd6480962dfa85abb2931c61e7a..4ce0619f6989024855782484766eb0adfa88cc78 100644 (file)
--- 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 */