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authorTomasz Stanislawski <t.stanislaws@samsung.com>2012-06-14 10:37:42 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-11-25 17:12:03 -0200
commite15dab752d4c588544ccabdbe020a7cc092e23c8 (patch)
tree3d8c754781eed6607d12af4b92c0403d6a6ae58a /include/media
parent40d8b7669ba352c30179c0deee8ce281fce99429 (diff)
[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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