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| author | Hans Verkuil <hverkuil@xs4all.nl> | 2010-03-28 12:54:29 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-05-19 17:57:50 +0200 |
| commit | 53aaf07637baae8f53c33b803bbc96047d8da1c4 (patch) | |
| tree | e620ce3c28dae607e34a2b6bea0e4c0edc3cff4e /drivers/media/video/videobuf-dma-sg.c | |
| parent | V4L/DVB: v4l videobuf: remove unused mmap callback (diff) | |
| download | linux-53aaf07637baae8f53c33b803bbc96047d8da1c4.tar.xz linux-53aaf07637baae8f53c33b803bbc96047d8da1c4.zip | |
V4L/DVB: v4l videobuf: remove mmap_free callback
Remove the mmap_free callback from struct videobuf_qtype_ops.
All implementations of this callback do the same trivial check: return
-EBUSY if any buffer is mmapped. That can also be tested in the
videobuf core.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/videobuf-dma-sg.c')
| -rw-r--r-- | drivers/media/video/videobuf-dma-sg.c | 15 |
1 files changed, 0 insertions, 15 deletions
diff --git a/drivers/media/video/videobuf-dma-sg.c b/drivers/media/video/videobuf-dma-sg.c index c9d946a388e8..7ff275e30092 100644 --- a/drivers/media/video/videobuf-dma-sg.c +++ b/drivers/media/video/videobuf-dma-sg.c @@ -548,20 +548,6 @@ static int __videobuf_sync(struct videobuf_queue *q, return videobuf_dma_sync(q, &mem->dma); } -static int __videobuf_mmap_free(struct videobuf_queue *q) -{ - int i; - - for (i = 0; i < VIDEO_MAX_FRAME; i++) { - if (q->bufs[i]) { - if (q->bufs[i]->map) - return -EBUSY; - } - } - - return 0; -} - static int __videobuf_mmap_mapper(struct videobuf_queue *q, struct vm_area_struct *vma) { @@ -711,7 +697,6 @@ static struct videobuf_qtype_ops sg_ops = { .alloc = __videobuf_alloc, .iolock = __videobuf_iolock, .sync = __videobuf_sync, - .mmap_free = __videobuf_mmap_free, .mmap_mapper = __videobuf_mmap_mapper, .video_copy_to_user = __videobuf_copy_to_user, .copy_stream = __videobuf_copy_stream, |