drm: Improve linux dma mapping functions
commit5847365e29740ac4803094879cbbf254e9023be1
authorFrançois Tigeot <ftigeot@wolfpond.org>
Tue, 12 Jan 2016 19:35:41 +0000 (12 20:35 +0100)
committerFrançois Tigeot <ftigeot@wolfpond.org>
Tue, 12 Jan 2016 19:35:55 +0000 (12 20:35 +0100)
tree5c1d7482eb10e39cf6b9d5adc36a0bfcaaf419ff
parentad59256ad864d38683fa549c4ce48fe0ad39a29c
drm: Improve linux dma mapping functions

Partially-obtained-from: FreeBSD.
sys/dev/drm/include/linux/dma-direction.h [copied from sys/dev/drm/include/linux/dma-mapping.h with 84% similarity]
sys/dev/drm/include/linux/dma-mapping.h