From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Fri, 23 Dec 2011 08:30:47 +0000 (+0100)
Subject: common: DMA-mapping: add WRITE_COMBINE attribute
X-Git-Tag: sz_154~120
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1f17804d368a3735700a32850cfb35b56794c186;p=pandora-kernel.git

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>
---

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