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(parent: 9adc537) | patch
common: DMA-mapping: add WRITE_COMBINE attribute
authorMarek Szyprowski <m.szyprowski@samsung.com>
Fri, 23 Dec 2011 08:30:47 +0000 (09:30 +0100)
committerMarek Szyprowski <m.szyprowski@samsung.com>
Wed, 28 Mar 2012 14:36:43 +0000 (16:36 +0200)
commit8a4134322bd429d24f71147eb59a47a981e8f63a
treebce9920c5f163669666693cd9d307bd865ad2bb1tree | snapshot
parent9adc537452e1e341cabd39a02d4788d3c510b0e2commit | diff
common: DMA-mapping: add WRITE_COMBINE attribute

DMA_ATTR_WRITE_COMBINE specifies that writes to the mapping may be
buffered to improve performance. It will be used by the replacement for
ARM/ARV32 specific dma_alloc_writecombine() function.

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
Port of xen3.3 xenlinux code to Ubuntu packaged SUSE kernel (3.2.10)