Commit 9d254b8e authored Aug 27, 2017 by Christoph Hellwig

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>

parent 95e499fc

arch/frv/include/asm/dma-mapping.h

+0 −1

Original line number	Diff line number	Diff line
		@@ -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 */