K 10
svn:author
V 6
andrew
K 8
svn:date
V 27
2020-09-24T07:07:54.187857Z
K 7
svn:log
V 268
Add a coherent flag on the arm64 dma map struct

Use it to decide if we can skip cache management.

While here remove the DMAMAP_COULD_BOUNCE flag as it's unneeded.

Reviewed by:	mmel
Sponsored by:	Innovate UK
Differential Revision:	https://reviews.freebsd.org/D26494

END