tree 03e6e15a8998785507f793c05500d09554e4e334
parent 98ac2fc274e07a22bea43682cf8998f47ffea9d0
author Alexander Duyck <alexander.h.duyck@intel.com> 1481756698 -0800
committer Linus Torvalds <torvalds@linux-foundation.org> 1481760247 -0800

arch/mips: add option to skip DMA sync as a part of map and unmap

This change allows us to pass DMA_ATTR_SKIP_CPU_SYNC which allows us to
avoid invoking cache line invalidation if the driver will just handle it
via a sync_for_cpu or sync_for_device call.

Link: http://lkml.kernel.org/r/20161110113513.76501.32321.stgit@ahduyck-blue-test.jf.intel.com
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Keguang Zhang <keguang.zhang@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>