diff options
Diffstat (limited to 'arch/blackfin')
| -rw-r--r-- | arch/blackfin/include/asm/barrier.h | 3 | ||||
| -rw-r--r-- | arch/blackfin/include/asm/bitops.h | 14 |
2 files changed, 5 insertions, 12 deletions
diff --git a/arch/blackfin/include/asm/barrier.h b/arch/blackfin/include/asm/barrier.h index 19283a16ac08..420006877998 100644 --- a/arch/blackfin/include/asm/barrier.h +++ b/arch/blackfin/include/asm/barrier.h @@ -27,6 +27,9 @@ #endif /* !CONFIG_SMP */ +#define smp_mb__before_atomic() barrier() +#define smp_mb__after_atomic() barrier() + #include <asm-generic/barrier.h> #endif /* _BLACKFIN_BARRIER_H */ diff --git a/arch/blackfin/include/asm/bitops.h b/arch/blackfin/include/asm/bitops.h index 0ca40dd44724..b298b654a26f 100644 --- a/arch/blackfin/include/asm/bitops.h +++ b/arch/blackfin/include/asm/bitops.h @@ -27,21 +27,17 @@ #include <asm-generic/bitops/ext2-atomic.h> +#include <asm/barrier.h> + #ifndef CONFIG_SMP #include <linux/irqflags.h> - /* * clear_bit may not imply a memory barrier */ -#ifndef smp_mb__before_clear_bit -#define smp_mb__before_clear_bit() smp_mb() -#define smp_mb__after_clear_bit() smp_mb() -#endif #include <asm-generic/bitops/atomic.h> #include <asm-generic/bitops/non-atomic.h> #else -#include <asm/barrier.h> #include <asm/byteorder.h> /* swab32 */ #include <linux/linkage.h> @@ -101,12 +97,6 @@ static inline int test_and_change_bit(int nr, volatile unsigned long *addr) return __raw_bit_test_toggle_asm(a, nr & 0x1f); } -/* - * clear_bit() doesn't provide any barrier for the compiler. - */ -#define smp_mb__before_clear_bit() barrier() -#define smp_mb__after_clear_bit() barrier() - #define test_bit __skip_test_bit #include <asm-generic/bitops/non-atomic.h> #undef test_bit |