diff options
Diffstat (limited to 'include/asm-generic/barrier.h')
| -rw-r--r-- | include/asm-generic/barrier.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/include/asm-generic/barrier.h b/include/asm-generic/barrier.h index 3d503e74037f..961f4d88f9ef 100644 --- a/include/asm-generic/barrier.h +++ b/include/asm-generic/barrier.h @@ -38,6 +38,10 @@ #define wmb() do { kcsan_wmb(); __wmb(); } while (0) #endif +#ifdef __dma_mb +#define dma_mb() do { kcsan_mb(); __dma_mb(); } while (0) +#endif + #ifdef __dma_rmb #define dma_rmb() do { kcsan_rmb(); __dma_rmb(); } while (0) #endif @@ -65,6 +69,10 @@ #define wmb() mb() #endif +#ifndef dma_mb +#define dma_mb() mb() +#endif + #ifndef dma_rmb #define dma_rmb() rmb() #endif @@ -285,7 +293,7 @@ do { \ * write-combining memory accesses before this macro with those after it. */ #ifndef io_stop_wc -#define io_stop_wc do { } while (0) +#define io_stop_wc() do { } while (0) #endif #endif /* !__ASSEMBLY__ */ |