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common: DMA-mapping: add NON-CONSISTENT attribute
authorMarek Szyprowski <m.szyprowski@samsung.com>
Wed, 28 Mar 2012 05:55:56 +0000 (07:55 +0200)
committerMarek Szyprowski <m.szyprowski@samsung.com>
Wed, 28 Mar 2012 14:36:44 +0000 (16:36 +0200)
commit64d70fe5d3640e1a89790ed21120921278f8cb86
treecc4983a830d8cfe0975ba4c606b84944f925eb70tree | snapshot
parent8a4134322bd429d24f71147eb59a47a981e8f63acommit | diff
common: DMA-mapping: add NON-CONSISTENT attribute

DMA_ATTR_NON_CONSISTENT lets the platform to choose to return either
consistent or non-consistent memory as it sees fit.  By using this API,
you are guaranteeing to the platform that you have all the correct and
necessary sync points for this memory in the driver.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Documentation/DMA-attributes.txt diff | blob | history
include/linux/dma-attrs.h diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git