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authorChristoph Hellwig <hch@lst.de>2017-08-27 10:35:40 +0200
committerChristoph Hellwig <hch@lst.de>2017-10-19 16:37:44 +0200
commite0c6584df9c414b50de17e1abc1099f7501bbb60 (patch)
treea683b944a85576069343932bd4fe2fa78284074a /arch/hexagon
parentd708e71ed78f56330325e8de304e2fb1e38ccf1c (diff)
downloadlinux-e0c6584df9c414b50de17e1abc1099f7501bbb60.tar.bz2
sh: make dma_cache_sync a no-op
sh 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. On the other hand sh uses dma_cache_sync internally in the dma_ops implementation and for the maple bus that does not use the DMA API, so a the old functionality for dma_cache_sync is still provided under the name sh_sync_dma_for_device, and without the redundant dev argument. While at it two of the syncing dma_ops also go the proper _for_device postfix. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Diffstat (limited to 'arch/hexagon')
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