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(parent: 622bd02) | patch
powerpc: make dma_cache_sync a no-op
authorChristoph Hellwig <hch@lst.de>
Sun, 27 Aug 2017 08:17:48 +0000 (10:17 +0200)
committerChristoph Hellwig <hch@lst.de>
Thu, 19 Oct 2017 14:37:33 +0000 (16:37 +0200)
commit87f626348a7a4f9d21c321b6326492de9aef245f
treef4889680038dc987032b69639d8d01e9b011cf1ctree | snapshot
parent622bd022078263fdebb566c32804551812576432commit | diff
powerpc: make dma_cache_sync a no-op

powerpc 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>
arch/powerpc/include/asm/dma-mapping.h diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git