From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Wed, 13 Jun 2012 08:01:15 +0000 (+0200)
Subject: ARM: dma-mapping: add support for dma_get_sgtable()
X-Git-Tag: v3.6-rc1~57^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dc2832e1e7db3f9ad465d2fe894bd69ef05d1e4b;p=pandora-kernel.git

ARM: dma-mapping: add support for dma_get_sgtable()

This patch adds support for dma_get_sgtable() function which is required
to let drivers to share the buffers allocated by DMA-mapping subsystem.

Generic implementation based on virt_to_page() is not suitable for ARM
dma-mapping subsystem.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Kyungmin Park <kyungmin.park@samsung.com>
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