diff options
Diffstat (limited to 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/asm/barrier.h | 7 | ||||
| -rw-r--r-- | arch/arm/include/asm/dma-mapping.h | 1 | ||||
| -rw-r--r-- | arch/arm/include/asm/memory.h | 8 |
3 files changed, 4 insertions, 12 deletions
diff --git a/arch/arm/include/asm/barrier.h b/arch/arm/include/asm/barrier.h index 05112380dc5..8dcd9c702d9 100644 --- a/arch/arm/include/asm/barrier.h +++ b/arch/arm/include/asm/barrier.h @@ -44,10 +44,9 @@ #define rmb() dsb() #define wmb() mb() #else -#include <asm/memory.h> -#define mb() do { if (arch_is_coherent()) dmb(); else barrier(); } while (0) -#define rmb() do { if (arch_is_coherent()) dmb(); else barrier(); } while (0) -#define wmb() do { if (arch_is_coherent()) dmb(); else barrier(); } while (0) +#define mb() barrier() +#define rmb() barrier() +#define wmb() barrier() #endif #ifndef CONFIG_SMP diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h index 5c44dcb0987..23004847bb0 100644 --- a/arch/arm/include/asm/dma-mapping.h +++ b/arch/arm/include/asm/dma-mapping.h @@ -13,6 +13,7 @@ #define DMA_ERROR_CODE (~0) extern struct dma_map_ops arm_dma_ops; +extern struct dma_map_ops arm_coherent_dma_ops; static inline struct dma_map_ops *get_dma_ops(struct device *dev) { diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h index 5f6ddcc5645..73cf03aa981 100644 --- a/arch/arm/include/asm/memory.h +++ b/arch/arm/include/asm/memory.h @@ -275,14 +275,6 @@ static inline __deprecated void *bus_to_virt(unsigned long x) #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) #define virt_addr_valid(kaddr) ((unsigned long)(kaddr) >= PAGE_OFFSET && (unsigned long)(kaddr) < (unsigned long)high_memory) -/* - * Optional coherency support. Currently used only by selected - * Intel XSC3-based systems. - */ -#ifndef arch_is_coherent -#define arch_is_coherent() 0 -#endif - #endif #include <asm-generic/memory_model.h> |