Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

[powerpc.git] / include / asm-m32r / system.h

diff --git a/include/asm-m32r/system.h b/include/asm-m32r/system.h
index 311cebf..06cdece 100644 (file)
--- a/include/asm-m32r/system.h
+++ b/include/asm-m32r/system.h
@@ -122,8 +122,6 @@ static inline void local_irq_disable(void)
 #define xchg(ptr,x) \
        ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
 
-#define tas(ptr)       (xchg((ptr),1))
-
 #ifdef CONFIG_SMP
 extern void  __xchg_called_with_bad_pointer(void);
 #endif
@@ -328,16 +326,15 @@ __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 set_wmb(var, value) do { var = value; wmb(); } while (0)
-
 #define arch_align_stack(x) (x)
 
-#endif  /* _ASM_M32R_SYSTEM_H */
+#endif /* _ASM_M32R_SYSTEM_H */