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[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>
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@ -1084,7 +1084,7 @@ void vb2_buffer_done(struct vb2_buffer *vb, enum vb2_buffer_state state)
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spin_lock_irqsave(&q->done_lock, flags);
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vb->state = state;
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list_add_tail(&vb->done_entry, &q->done_list);
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atomic_dec(&q->queued_count);
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atomic_dec(&q->owned_by_drv_count);
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spin_unlock_irqrestore(&q->done_lock, flags);
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/* Inform any processes that may be waiting for buffers */
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@ -1437,7 +1437,7 @@ static void __enqueue_in_driver(struct vb2_buffer *vb)
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unsigned int plane;
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vb->state = VB2_BUF_STATE_ACTIVE;
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atomic_inc(&q->queued_count);
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atomic_inc(&q->owned_by_drv_count);
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/* sync buffers */
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for (plane = 0; plane < vb->num_planes; ++plane)
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@ -1593,7 +1593,7 @@ static int vb2_start_streaming(struct vb2_queue *q)
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int ret;
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/* Tell the driver to start streaming */
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ret = call_qop(q, start_streaming, q, atomic_read(&q->queued_count));
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ret = call_qop(q, start_streaming, q, atomic_read(&q->owned_by_drv_count));
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if (ret)
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fail_qop(q, start_streaming);
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@ -1826,7 +1826,7 @@ int vb2_wait_for_all_buffers(struct vb2_queue *q)
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}
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if (!q->retry_start_streaming)
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wait_event(q->done_wq, !atomic_read(&q->queued_count));
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wait_event(q->done_wq, !atomic_read(&q->owned_by_drv_count));
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return 0;
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}
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EXPORT_SYMBOL_GPL(vb2_wait_for_all_buffers);
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@ -1958,7 +1958,7 @@ static void __vb2_queue_cancel(struct vb2_queue *q)
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* has not already dequeued before initiating cancel.
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*/
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INIT_LIST_HEAD(&q->done_list);
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atomic_set(&q->queued_count, 0);
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atomic_set(&q->owned_by_drv_count, 0);
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wake_up_all(&q->done_wq);
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/*
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@ -361,7 +361,7 @@ struct v4l2_fh;
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* @bufs: videobuf buffer structures
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* @num_buffers: number of allocated/used buffers
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* @queued_list: list of buffers currently queued from userspace
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* @queued_count: number of buffers owned by the driver
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* @owned_by_drv_count: number of buffers owned by the driver
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* @done_list: list of buffers ready to be dequeued to userspace
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* @done_lock: lock to protect done_list list
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* @done_wq: waitqueue for processes waiting for buffers ready to be dequeued
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@ -393,7 +393,7 @@ struct vb2_queue {
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struct list_head queued_list;
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atomic_t queued_count;
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atomic_t owned_by_drv_count;
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struct list_head done_list;
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spinlock_t done_lock;
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wait_queue_head_t done_wq;
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