From: Hans Verkuil <hans.verkuil@xxxxxxxxx>
'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@xxxxxxxxx>
Acked-by: Pawel Osciak <pawel@xxxxxxxxxx>
---
drivers/media/v4l2-core/videobuf2-core.c | 10 +++++-----
include/media/videobuf2-core.h | 4 ++--
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 eefcff7..2a7815c 100644
--- a/drivers/media/v4l2-core/videobuf2-core.c
+++ b/drivers/media/v4l2-core/videobuf2-core.c
@@ -1071,7 +1071,7 @@ 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 */
@@ -1402,7 +1402,7 @@ 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)
@@ -1554,7 +1554,7 @@ 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);
@@ -1775,7 +1775,7 @@ 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);
@@ -1907,7 +1907,7 @@ 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 82b7f0f..adaffed 100644
--- a/include/media/videobuf2-core.h
+++ b/include/media/videobuf2-core.h
@@ -353,7 +353,7 @@ 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
@@ -385,7 +385,7 @@ 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;
--
1.9.0
--
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