tree f4204c8cb840ebc8c6771f1cbba6247b43c76b48
parent 5b394b2ddf0347bef56e50c69a58773c94343ff3
author Christoph Hellwig <hch@lst.de> 1535090872 +0200
committer Christoph Hellwig <hch@lst.de> 1535809348 +0200

kernel/dma/direct: take DMA offset into account in dma_direct_supported

When a device has a DMA offset the dma capable result will change due
to the difference between the physical and DMA address.  Take that into
account.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>