arm64: Support DMA_ATTR_WRITE_COMBINE

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DMA_ATTR_WRITE_COMBINE is currently ignored. Set the pgprot
appropriately for non coherent opperations.

Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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Laura Abbott 2014-03-14 19:52:24 +00:00 • committed by Catalin Marinas

parent 6e8d7968e9

commit 214fdbe74a

1 changed files with 12 additions and 2 deletions

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14

arch/arm64/mm/dma-mapping.c

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