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| author | Hans Verkuil <hans.verkuil@cisco.com> | 2014-11-18 09:51:01 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2014-11-25 08:55:32 -0200 |
| commit | 0c3a14c177aa85afb991e7c2be3921aa9a52a893 (patch) | |
| tree | de833b66ee640393292bc404e16c8f43a49ae89c /include/media | |
| parent | e5ae8fa739f8a1d5c292c5b13fa33ac64166e5a0 (diff) | |
| download | lwn-0c3a14c177aa85afb991e7c2be3921aa9a52a893.tar.gz lwn-0c3a14c177aa85afb991e7c2be3921aa9a52a893.zip | |
[media] vb2-dma-sg: add allocation context to dma-sg
Require that dma-sg also uses an allocation context. This is in preparation
for adding prepare/finish memops to sync the memory between DMA and CPU.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Pawel Osciak <pawel@osciak.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'include/media')
| -rw-r--r-- | include/media/videobuf2-dma-sg.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/media/videobuf2-dma-sg.h b/include/media/videobuf2-dma-sg.h index 7b89852779af..14ce3068b642 100644 --- a/include/media/videobuf2-dma-sg.h +++ b/include/media/videobuf2-dma-sg.h @@ -21,6 +21,9 @@ static inline struct sg_table *vb2_dma_sg_plane_desc( return (struct sg_table *)vb2_plane_cookie(vb, plane_no); } +void *vb2_dma_sg_init_ctx(struct device *dev); +void vb2_dma_sg_cleanup_ctx(void *alloc_ctx); + extern const struct vb2_mem_ops vb2_dma_sg_memops; #endif |