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authorChristoph Hellwig <hch@lst.de>2017-08-27 11:27:49 +0300
committerChristoph Hellwig <hch@lst.de>2017-10-19 17:37:40 +0300
commitd708e71ed78f56330325e8de304e2fb1e38ccf1c (patch)
tree536fad8bfebbff728c3b21a8f1b6303d7105d92b /drivers/sh
parenta535bb801036268c3d057d7584e9c8f35f69aad4 (diff)
downloadlinux-d708e71ed78f56330325e8de304e2fb1e38ccf1c.tar.xz
xtensa: make dma_cache_sync a no-op
xtensa 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>
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