tree bce9920c5f163669666693cd9d307bd865ad2bb1
parent 9adc537452e1e341cabd39a02d4788d3c510b0e2
author Marek Szyprowski <m.szyprowski@samsung.com> 1324629047 +0100
committer Marek Szyprowski <m.szyprowski@samsung.com> 1332945403 +0200

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>