diff options
Diffstat (limited to 'drivers/media/video/cx18/cx18-streams.c')
| -rw-r--r-- | drivers/media/video/cx18/cx18-streams.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/media/video/cx18/cx18-streams.c b/drivers/media/video/cx18/cx18-streams.c index bbeb01c5cf3..e1934e9cfdc 100644 --- a/drivers/media/video/cx18/cx18-streams.c +++ b/drivers/media/video/cx18/cx18-streams.c @@ -116,11 +116,13 @@ static void cx18_stream_init(struct cx18 *cx, int type) s->buffers = cx->stream_buffers[type]; s->buf_size = cx->stream_buf_size[type]; - mutex_init(&s->qlock); init_waitqueue_head(&s->waitq); s->id = -1; + spin_lock_init(&s->q_free.lock); cx18_queue_init(&s->q_free); + spin_lock_init(&s->q_busy.lock); cx18_queue_init(&s->q_busy); + spin_lock_init(&s->q_full.lock); cx18_queue_init(&s->q_full); } @@ -685,13 +687,13 @@ int cx18_start_v4l2_encode_stream(struct cx18_stream *s) /* Init all the cpu_mdls for this stream */ cx18_flush_queues(s); - mutex_lock(&s->qlock); + spin_lock(&s->q_free.lock); list_for_each_entry(buf, &s->q_free.list, list) { cx18_writel(cx, buf->dma_handle, &cx->scb->cpu_mdl[buf->id].paddr); cx18_writel(cx, s->buf_size, &cx->scb->cpu_mdl[buf->id].length); } - mutex_unlock(&s->qlock); + spin_unlock(&s->q_free.lock); _cx18_stream_load_fw_queue(s); /* begin_capture */ |