Messages in this thread Patch in this message | | | From | Christoph Hellwig <> | Subject | [PATCH 06/11] mn10300: make dma_cache_sync a no-op | Date | Tue, 3 Oct 2017 12:43:06 +0200 |
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mn10300 does not implement DMA_ATTR_NON_CONSISTENT allocations, so it doesn't make any sense to do any work in dma_cache_sync given that it must be a no-op when dma_alloc_attrs returns coherent memory.
Signed-off-by: Christoph Hellwig <hch@lst.de> --- arch/mn10300/include/asm/dma-mapping.h | 4 ---- 1 file changed, 4 deletions(-)
diff --git a/arch/mn10300/include/asm/dma-mapping.h b/arch/mn10300/include/asm/dma-mapping.h index 737ef574b3ea..dc24163b190f 100644 --- a/arch/mn10300/include/asm/dma-mapping.h +++ b/arch/mn10300/include/asm/dma-mapping.h @@ -11,9 +11,6 @@ #ifndef _ASM_DMA_MAPPING_H #define _ASM_DMA_MAPPING_H -#include <asm/cache.h> -#include <asm/io.h> - extern const struct dma_map_ops mn10300_dma_ops; static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) @@ -25,7 +22,6 @@ static inline void dma_cache_sync(void *vaddr, size_t size, enum dma_data_direction direction) { - mn10300_dcache_flush_inv(); } #endif -- 2.14.1
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