From: Tomasz Stanislawski <t.stanislaws@samsung.com>
Date: Thu, 14 Jun 2012 13:37:42 +0000 (-0300)
Subject: [media] v4l: vb2-dma-contig: add support for scatterlist in userptr mode
X-Git-Tag: omap-for-v3.8/fixes-for-merge-window-v4-signed~21^2^2~45
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e15dab752d4c588544ccabdbe020a7cc092e23c8;p=pandora-kernel.git

[media] v4l: vb2-dma-contig: add support for scatterlist in userptr mode

This patch introduces usage of dma_map_sg to map memory behind
a userspace pointer to a device as dma-contiguous mapping.
This patch contains some of the code kindly provided by Marek Szyprowski
<m.szyprowski@samsung.com> and Kamil Debski <k.debski@samsung.com> and Andrzej
Pietrasiewicz <andrzej.p@samsung.com>. Kind thanks for bug reports from Laurent
Pinchart <laurent.pinchart@ideasonboard.com> and Seung-Woo Kim
<sw0312.kim@samsung.com>.

Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---

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