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| author | Christoph Hellwig <hch@lst.de> | 2017-08-27 09:59:32 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2017-10-19 16:37:18 +0200 |
| commit | 9d254b8e409e90db21384974f4725bff369c333f (patch) | |
| tree | 35ed6edfb69ba967e59144c98cf4f48fc998f9c8 /arch | |
| parent | 95e499fc7fe9c58efedc079634582164de6bbd90 (diff) | |
| download | linux-9d254b8e409e90db21384974f4725bff369c333f.tar.gz linux-9d254b8e409e90db21384974f4725bff369c333f.tar.bz2 linux-9d254b8e409e90db21384974f4725bff369c333f.zip | |
frv: make dma_cache_sync a no-op
frv 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')
| -rw-r--r-- | arch/frv/include/asm/dma-mapping.h | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/frv/include/asm/dma-mapping.h b/arch/frv/include/asm/dma-mapping.h index 354900917585..da0e5c9744c4 100644 --- a/arch/frv/include/asm/dma-mapping.h +++ b/arch/frv/include/asm/dma-mapping.h @@ -18,7 +18,6 @@ static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size, enum dma_data_direction direction) { - flush_write_buffers(); } #endif /* _ASM_DMA_MAPPING_H */ |