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authorMarek Szyprowski <m.szyprowski@samsung.com>2012-03-28 09:55:56 +0400
committerMarek Szyprowski <m.szyprowski@samsung.com>2012-03-28 18:36:44 +0400
commit64d70fe5d3640e1a89790ed21120921278f8cb86 (patch)
treecc4983a830d8cfe0975ba4c606b84944f925eb70 /include/linux/dma-attrs.h
parent8a4134322bd429d24f71147eb59a47a981e8f63a (diff)
downloadlinux-64d70fe5d3640e1a89790ed21120921278f8cb86.tar.xz
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>
Diffstat (limited to 'include/linux/dma-attrs.h')
-rw-r--r--include/linux/dma-attrs.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/dma-attrs.h b/include/linux/dma-attrs.h
index ada61e1abf29..547ab568d3ae 100644
--- a/include/linux/dma-attrs.h
+++ b/include/linux/dma-attrs.h
@@ -14,6 +14,7 @@ enum dma_attr {
DMA_ATTR_WRITE_BARRIER,
DMA_ATTR_WEAK_ORDERING,
DMA_ATTR_WRITE_COMBINE,
+ DMA_ATTR_NON_CONSISTENT,
DMA_ATTR_MAX,
};