diff options
| author | Len Brown <len.brown@intel.com> | 2008-10-23 07:57:26 +0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2008-10-23 08:11:07 +0400 |
| commit | 057316cc6a5b521b332a1d7ccc871cd60c904c74 (patch) | |
| tree | 4333e608da237c73ff69b10878025cca96dcb4c8 /drivers/media/video/cx18/cx18-queue.c | |
| parent | 3e2dab9a1c2deb03c311eb3f83466009147ed4d3 (diff) | |
| parent | 2515ddc6db8eb49a79f0fe5e67ff09ac7c81eab4 (diff) | |
| download | linux-057316cc6a5b521b332a1d7ccc871cd60c904c74.tar.xz | |
Merge branch 'linus' into test
Conflicts:
MAINTAINERS
arch/x86/kernel/acpi/boot.c
arch/x86/kernel/acpi/sleep.c
drivers/acpi/Kconfig
drivers/pnp/Makefile
drivers/pnp/quirks.c
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/media/video/cx18/cx18-queue.c')
| -rw-r--r-- | drivers/media/video/cx18/cx18-queue.c | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/drivers/media/video/cx18/cx18-queue.c b/drivers/media/video/cx18/cx18-queue.c index dbe792ac3001..a33ba04a2686 100644 --- a/drivers/media/video/cx18/cx18-queue.c +++ b/drivers/media/video/cx18/cx18-queue.c @@ -37,8 +37,7 @@ void cx18_buf_swap(struct cx18_buffer *buf) void cx18_queue_init(struct cx18_queue *q) { INIT_LIST_HEAD(&q->list); - q->buffers = 0; - q->length = 0; + atomic_set(&q->buffers, 0); q->bytesused = 0; } @@ -55,8 +54,7 @@ void cx18_enqueue(struct cx18_stream *s, struct cx18_buffer *buf, } spin_lock_irqsave(&s->qlock, flags); list_add_tail(&buf->list, &q->list); - q->buffers++; - q->length += s->buf_size; + atomic_inc(&q->buffers); q->bytesused += buf->bytesused - buf->readpos; spin_unlock_irqrestore(&s->qlock, flags); } @@ -70,8 +68,7 @@ struct cx18_buffer *cx18_dequeue(struct cx18_stream *s, struct cx18_queue *q) if (!list_empty(&q->list)) { buf = list_entry(q->list.next, struct cx18_buffer, list); list_del_init(q->list.next); - q->buffers--; - q->length -= s->buf_size; + atomic_dec(&q->buffers); q->bytesused -= buf->bytesused - buf->readpos; } spin_unlock_irqrestore(&s->qlock, flags); @@ -95,10 +92,8 @@ struct cx18_buffer *cx18_queue_get_buf_irq(struct cx18_stream *s, u32 id, /* the transport buffers are handled differently, they are not moved to the full queue */ if (s->type != CX18_ENC_STREAM_TYPE_TS) { - s->q_free.buffers--; - s->q_free.length -= s->buf_size; - s->q_full.buffers++; - s->q_full.length += s->buf_size; + atomic_dec(&s->q_free.buffers); + atomic_inc(&s->q_full.buffers); s->q_full.bytesused += buf->bytesused; list_move_tail(&buf->list, &s->q_full.list); } @@ -124,8 +119,7 @@ static void cx18_queue_flush(struct cx18_stream *s, struct cx18_queue *q) buf = list_entry(q->list.next, struct cx18_buffer, list); list_move_tail(q->list.next, &s->q_free.list); buf->bytesused = buf->readpos = buf->b_flags = 0; - s->q_free.buffers++; - s->q_free.length += s->buf_size; + atomic_inc(&s->q_free.buffers); } cx18_queue_init(q); spin_unlock_irqrestore(&s->qlock, flags); |