diff options
| author | Alexander Duyck <alexander.h.duyck@intel.com> | 2016-12-14 15:04:41 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-12-14 16:04:07 -0800 |
| commit | 64c596b59c726514f548e15f13a87010efbff40d (patch) | |
| tree | 22131f32f19ea044111641b7211ee6242fed8c8b /arch/frv | |
| parent | 8c16a2e209d563a1909451c769417a6f953e5b2c (diff) | |
arch/c6x: add option to skip sync on DMA 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
later via a sync_for_cpu or sync_for_device call.
Link: http://lkml.kernel.org/r/20161110113442.76501.7673.stgit@ahduyck-blue-test.jf.intel.com
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Acked-by: Mark Salter <msalter@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/frv')
0 files changed, 0 insertions, 0 deletions