DMABUF importer feature in V4L2 API

Hi Mauro,

The following patch series adds DMABUF importer role to V4L2 API. I'm sending this on behalf of Tomasz Stanislawski. Please pull for v3.5.

The following changes since commit d509835e32bd761a2b7b446034a273da568e5573:

[media] media: mx2_camera: Fix mbus format handling (2012-05-15 09:42:17 -0300)

are available in the git repository at:

git://git.infradead.org/users/kmpark/linux-samsung v4l2_dmabuf

for you to fetch changes up to ac768fa8ad56774b0084dccb727b515e23e467cd:

v4l: s5p-fimc: support for dmabuf importing (2012-05-15 15:46:49 +0200)

----------------------------------------------------------------
Andrzej Pietrasiewicz (1):
v4l: vb2-dma-contig: add support for scatterlist in userptr mode

Laurent Pinchart (2):
v4l: vb2-dma-contig: Shorten vb2_dma_contig prefix to vb2_dc
v4l: vb2-dma-contig: Reorder functions

Marek Szyprowski (2):
v4l: vb2: add prepare/finish callbacks to allocators
v4l: vb2-dma-contig: add prepare/finish to dma-contig allocator

Sumit Semwal (4):
v4l: Add DMABUF as a memory type
v4l: vb2: add support for shared buffer (dma_buf)
v4l: vb: remove warnings about MEMORY_DMABUF
v4l: vb2-dma-contig: add support for dma_buf importing

Tomasz Stanislawski (4):
Documentation: media: description of DMABUF importing in V4L2
v4l: vb2-dma-contig: Remove unneeded allocation context structure
v4l: s5p-tv: mixer: support for dmabuf importing
v4l: s5p-fimc: support for dmabuf importing

 Documentation/DocBook/media/v4l/compat.xml             |    4 +
 Documentation/DocBook/media/v4l/io.xml                 |  179
+++++++++++++++++++++++++++++++
 Documentation/DocBook/media/v4l/vidioc-create-bufs.xml |    1 +
 Documentation/DocBook/media/v4l/vidioc-qbuf.xml        |   15 +++
 Documentation/DocBook/media/v4l/vidioc-reqbufs.xml     |   45 ++++----
 drivers/media/video/Kconfig                            |    1 +
 drivers/media/video/s5p-fimc/fimc-capture.c            |    2 +-
 drivers/media/video/s5p-tv/Kconfig                     |    1 +
 drivers/media/video/s5p-tv/mixer_video.c               |    2 +-
 drivers/media/video/videobuf-core.c                    |    4 +
 drivers/media/video/videobuf2-core.c                   |  207
+++++++++++++++++++++++++++++++++++-
 drivers/media/video/videobuf2-dma-contig.c             |  518
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-------------
 include/linux/videodev2.h                              |    7 ++
 include/media/videobuf2-core.h                         |   34 ++++++
 14 files changed, 921 insertions(+), 99 deletions(-)

--
Regards,
Sylwester