diff options
Diffstat (limited to 'arch/nds32/include/asm/dma-mapping.h')
| -rw-r--r-- | arch/nds32/include/asm/dma-mapping.h | 27 |
1 files changed, 1 insertions, 26 deletions
diff --git a/arch/nds32/include/asm/dma-mapping.h b/arch/nds32/include/asm/dma-mapping.h index c8876ceadd..f8668f1fe5 100644 --- a/arch/nds32/include/asm/dma-mapping.h +++ b/arch/nds32/include/asm/dma-mapping.h @@ -10,6 +10,7 @@ #include <asm/cache.h> #include <cpu_func.h> #include <linux/dma-direction.h> +#include <linux/types.h> #include <malloc.h> static void *dma_alloc_coherent(size_t len, unsigned long *handle) @@ -18,30 +19,4 @@ static void *dma_alloc_coherent(size_t len, unsigned long *handle) return (void *)*handle; } -static inline unsigned long dma_map_single(volatile void *vaddr, size_t len, - enum dma_data_direction dir) -{ - unsigned long addr = (unsigned long)vaddr; - - len = ALIGN(len, ARCH_DMA_MINALIGN); - - if (dir == DMA_FROM_DEVICE) - invalidate_dcache_range(addr, addr + len); - else - flush_dcache_range(addr, addr + len); - - return addr; -} - -static inline void dma_unmap_single(volatile void *vaddr, size_t len, - enum dma_data_direction dir) -{ - unsigned long addr = (unsigned long)vaddr; - - len = ALIGN(len, ARCH_DMA_MINALIGN); - - if (dir != DMA_TO_DEVICE) - invalidate_dcache_range(addr, addr + len); -} - #endif /* __ASM_NDS_DMA_MAPPING_H */ |