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| author | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-04-13 15:10:00 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-04-24 14:09:39 -0300 |
| commit | 59d3448995a4c0ca98cbe82f6dac9460323377c1 (patch) | |
| tree | fe6029dc9e66a4101b8e4e985ff9175a1735e14f /drivers/media/video/videobuf-dma-sg.c | |
| parent | 3b5fa928a6b2971ec65571745defc5d9758b4bc1 (diff) | |
| download | lwn-59d3448995a4c0ca98cbe82f6dac9460323377c1.tar.gz lwn-59d3448995a4c0ca98cbe82f6dac9460323377c1.zip | |
V4L/DVB (7566): videobuf-dvb: allow its usage with videobuf-vmalloc
videobuf-dvb were still using a function that were videobuf-dma-sg
dependent. This patch creates a generic handler for this function. This
way, videobuf-dvb can now work with all videobuf implementations.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/videobuf-dma-sg.c')
| -rw-r--r-- | drivers/media/video/videobuf-dma-sg.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/media/video/videobuf-dma-sg.c b/drivers/media/video/videobuf-dma-sg.c index c0b7902862e4..03a7b946bd54 100644 --- a/drivers/media/video/videobuf-dma-sg.c +++ b/drivers/media/video/videobuf-dma-sg.c @@ -432,6 +432,16 @@ static void *__videobuf_alloc(size_t size) return vb; } +static void *__videobuf_to_vmalloc (struct videobuf_buffer *buf) +{ + struct videobuf_dma_sg_memory *mem = buf->priv; + BUG_ON(!mem); + + MAGIC_CHECK(mem->magic, MAGIC_SG_MEM); + + return mem->dma.vmalloc; +} + static int __videobuf_iolock (struct videobuf_queue* q, struct videobuf_buffer *vb, struct v4l2_framebuffer *fbuf) @@ -677,6 +687,7 @@ static struct videobuf_qtype_ops sg_ops = { .mmap_mapper = __videobuf_mmap_mapper, .video_copy_to_user = __videobuf_copy_to_user, .copy_stream = __videobuf_copy_stream, + .vmalloc = __videobuf_to_vmalloc, }; void *videobuf_sg_alloc(size_t size) |