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authorAlexander Duyck <alexander.h.duyck@intel.com>2016-12-15 00:04:46 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2016-12-15 01:04:07 +0100
commitb8a346dd472af45e1ee8cbc77101dad0b836210b (patch)
tree8da5660153e97d6f8094c89fceaafdbfb2c4d9a7 /drivers/of
parentarch/frv: add option to skip sync on DMA map (diff)
downloadlinux-b8a346dd472af45e1ee8cbc77101dad0b836210b.tar.xz
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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 'drivers/of')
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