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| author |   Alexander Duyck <alexander.h.duyck@intel.com> | 2016-12-14 15:04:46 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2016-12-14 16:04:07 -0800 |
| commit | b8a346dd472af45e1ee8cbc77101dad0b836210b (patch) | |
| tree | 8da5660153e97d6f8094c89fceaafdbfb2c4d9a7 /arch/hexagon/kernel/trampoline.S | |
| parent | arch/frv: add option to skip sync on DMA map (diff) | |
| download | linux-dev-b8a346dd472af45e1ee8cbc77101dad0b836210b.tar.xz linux-dev-b8a346dd472af45e1ee8cbc77101dad0b836210b.zip | |
arch/hexagon: Add option to skip DMA sync as a part of mapping
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/20161110113452.76501.45864.stgit@ahduyck-blue-test.jf.intel.com
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Cc: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/hexagon/kernel/trampoline.S')
0 files changed, 0 insertions, 0 deletions