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authorHans Verkuil <hans.verkuil@cisco.com>2014-02-06 05:46:11 -0300
committerMauro Carvalho Chehab <m.chehab@samsung.com>2014-03-11 06:56:40 -0300
commit6ea3b980f058d9dbc79ba88c652d581fa2d00792 (patch)
tree89959aeb1d157de2bfd877f3ccb6dc6fae2d7964
parent256f3162c17595b3fde1c4f18389719e8a2952f5 (diff)
[media] vb2: rename queued_count to owned_by_drv_count
'queued_count' is a bit vague since it is not clear to which queue it refers to: the vb2 internal list of buffers or the driver-owned list of buffers. Rename to make it explicit. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Pawel Osciak <pawel@osciak.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
-rw-r--r--drivers/media/v4l2-core/videobuf2-core.c10
-rw-r--r--include/media/videobuf2-core.h4
2 files changed, 7 insertions, 7 deletions
diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c
index 6c33b788ecd7..ef29a220c6e2 100644
--- a/drivers/media/v4l2-core/videobuf2-core.c
+++ b/drivers/media/v4l2-core/videobuf2-core.c
@@ -1084,7 +1084,7 @@ void vb2_buffer_done(struct vb2_buffer *vb, enum vb2_buffer_state state)
spin_lock_irqsave(&q->done_lock, flags);
vb->state = state;
list_add_tail(&vb->done_entry, &q->done_list);
- atomic_dec(&q->queued_count);
+ atomic_dec(&q->owned_by_drv_count);
spin_unlock_irqrestore(&q->done_lock, flags);
/* Inform any processes that may be waiting for buffers */
@@ -1437,7 +1437,7 @@ static void __enqueue_in_driver(struct vb2_buffer *vb)
unsigned int plane;
vb->state = VB2_BUF_STATE_ACTIVE;
- atomic_inc(&q->queued_count);
+ atomic_inc(&q->owned_by_drv_count);
/* sync buffers */
for (plane = 0; plane < vb->num_planes; ++plane)
@@ -1593,7 +1593,7 @@ static int vb2_start_streaming(struct vb2_queue *q)
int ret;
/* Tell the driver to start streaming */
- ret = call_qop(q, start_streaming, q, atomic_read(&q->queued_count));
+ ret = call_qop(q, start_streaming, q, atomic_read(&q->owned_by_drv_count));
if (ret)
fail_qop(q, start_streaming);
@@ -1826,7 +1826,7 @@ int vb2_wait_for_all_buffers(struct vb2_queue *q)
}
if (!q->retry_start_streaming)
- wait_event(q->done_wq, !atomic_read(&q->queued_count));
+ wait_event(q->done_wq, !atomic_read(&q->owned_by_drv_count));
return 0;
}
EXPORT_SYMBOL_GPL(vb2_wait_for_all_buffers);
@@ -1958,7 +1958,7 @@ static void __vb2_queue_cancel(struct vb2_queue *q)
* has not already dequeued before initiating cancel.
*/
INIT_LIST_HEAD(&q->done_list);
- atomic_set(&q->queued_count, 0);
+ atomic_set(&q->owned_by_drv_count, 0);
wake_up_all(&q->done_wq);
/*
diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h
index b852b39cc6dc..36e3e8e2d457 100644
--- a/include/media/videobuf2-core.h
+++ b/include/media/videobuf2-core.h
@@ -361,7 +361,7 @@ struct v4l2_fh;
* @bufs: videobuf buffer structures
* @num_buffers: number of allocated/used buffers
* @queued_list: list of buffers currently queued from userspace
- * @queued_count: number of buffers owned by the driver
+ * @owned_by_drv_count: number of buffers owned by the driver
* @done_list: list of buffers ready to be dequeued to userspace
* @done_lock: lock to protect done_list list
* @done_wq: waitqueue for processes waiting for buffers ready to be dequeued
@@ -393,7 +393,7 @@ struct vb2_queue {
struct list_head queued_list;
- atomic_t queued_count;
+ atomic_t owned_by_drv_count;
struct list_head done_list;
spinlock_t done_lock;
wait_queue_head_t done_wq;