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| author | Christoph Hellwig <hch@lst.de> | 2017-08-27 10:16:02 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2017-10-19 16:37:29 +0200 |
| commit | 622bd022078263fdebb566c32804551812576432 (patch) | |
| tree | 59a1891fd527a8fe696bb5738af75cd32860b271 /arch/mn10300/include | |
| parent | 64dc8700c01d94c46fd26b38b7e7d2891934a33b (diff) | |
| download | linux-622bd022078263fdebb566c32804551812576432.tar.gz linux-622bd022078263fdebb566c32804551812576432.tar.bz2 linux-622bd022078263fdebb566c32804551812576432.zip | |
mn10300: make dma_cache_sync a no-op
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>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Diffstat (limited to 'arch/mn10300/include')
| -rw-r--r-- | arch/mn10300/include/asm/dma-mapping.h | 4 |
1 files changed, 0 insertions, 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 |