dma-direct: use phys_to_dma

This means it uses whatever linear remapping scheme that the architecture
provides is used in the generic dma_direct ops.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Vladimir Murzin <vladimir.murzin@arm.com>
This commit is contained in:
Christoph Hellwig 2017-12-22 11:29:51 +01:00
commit 2e86a04780