diff options
Diffstat (limited to 'arch/arm/include/asm/barrier.h')
| -rw-r--r-- | arch/arm/include/asm/barrier.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/include/asm/barrier.h b/arch/arm/include/asm/barrier.h index c6a3e73a6e24..d2f81e6b8c1c 100644 --- a/arch/arm/include/asm/barrier.h +++ b/arch/arm/include/asm/barrier.h @@ -43,10 +43,14 @@ #define mb() do { dsb(); outer_sync(); } while (0) #define rmb() dsb() #define wmb() do { dsb(st); outer_sync(); } while (0) +#define dma_rmb() dmb(osh) +#define dma_wmb() dmb(oshst) #else #define mb() barrier() #define rmb() barrier() #define wmb() barrier() +#define dma_rmb() barrier() +#define dma_wmb() barrier() #endif #ifndef CONFIG_SMP |