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-rw-r--r--arch/avr32/include/asm/bitops.h9
1 files changed, 2 insertions, 7 deletions
diff --git a/arch/avr32/include/asm/bitops.h b/arch/avr32/include/asm/bitops.h
index ebe7ad3f490b..910d5374ce59 100644
--- a/arch/avr32/include/asm/bitops.h
+++ b/arch/avr32/include/asm/bitops.h
@@ -13,12 +13,7 @@
13#endif 13#endif
14 14
15#include <asm/byteorder.h> 15#include <asm/byteorder.h>
16 16#include <asm/barrier.h>
17/*
18 * clear_bit() doesn't provide any barrier for the compiler
19 */
20#define smp_mb__before_clear_bit() barrier()
21#define smp_mb__after_clear_bit() barrier()
22 17
23/* 18/*
24 * set_bit - Atomically set a bit in memory 19 * set_bit - Atomically set a bit in memory
@@ -67,7 +62,7 @@ static inline void set_bit(int nr, volatile void * addr)
67 * 62 *
68 * clear_bit() is atomic and may not be reordered. However, it does 63 * clear_bit() is atomic and may not be reordered. However, it does
69 * not contain a memory barrier, so if it is used for locking purposes, 64 * not contain a memory barrier, so if it is used for locking purposes,
70 * you should call smp_mb__before_clear_bit() and/or smp_mb__after_clear_bit() 65 * you should call smp_mb__before_atomic() and/or smp_mb__after_atomic()
71 * in order to ensure changes are visible on other processors. 66 * in order to ensure changes are visible on other processors.
72 */ 67 */
73static inline void clear_bit(int nr, volatile void * addr) 68static inline void clear_bit(int nr, volatile void * addr)