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authorMichael Grzeschik <m.grzeschik@pengutronix.de>2022-04-03 01:27:42 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-04-21 18:15:33 +0200
commit61aa709ca58a0dbeeb817bfa9230c1a92979f2c6 (patch)
tree36fa09996478dec18d4bd328d8dfc7810fb2c5b2 /drivers/usb/gadget/function/uvc_queue.c
parentbe30e3502771ac0b5080ec61223d915354cde1cc (diff)
usb: gadget: uvc: rework uvcg_queue_next_buffer to uvcg_complete_buffer
The function uvcg_queue_next_buffer is used different than its name suggests. The return value nextbuf is never used by any caller. This patch reworks the function to its actual purpose, by removing the unused code and renaming it. The function name uvcg_complete_buffer makes it more clear that it is actually marking the current video buffer as complete. Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de> Link: https://lore.kernel.org/r/20220402232744.3622565-2-m.grzeschik@pengutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/gadget/function/uvc_queue.c')
-rw-r--r--drivers/usb/gadget/function/uvc_queue.c13
1 files changed, 2 insertions, 11 deletions
diff --git a/drivers/usb/gadget/function/uvc_queue.c b/drivers/usb/gadget/function/uvc_queue.c
index 8fd2f4a3dc4c..43acc071f0ad 100644
--- a/drivers/usb/gadget/function/uvc_queue.c
+++ b/drivers/usb/gadget/function/uvc_queue.c
@@ -315,24 +315,17 @@ int uvcg_queue_enable(struct uvc_video_queue *queue, int enable)
}
/* called with &queue_irqlock held.. */
-struct uvc_buffer *uvcg_queue_next_buffer(struct uvc_video_queue *queue,
+void uvcg_complete_buffer(struct uvc_video_queue *queue,
struct uvc_buffer *buf)
{
- struct uvc_buffer *nextbuf;
-
if ((queue->flags & UVC_QUEUE_DROP_INCOMPLETE) &&
buf->length != buf->bytesused) {
buf->state = UVC_BUF_STATE_QUEUED;
vb2_set_plane_payload(&buf->buf.vb2_buf, 0, 0);
- return buf;
+ return;
}
list_del(&buf->queue);
- if (!list_empty(&queue->irqqueue))
- nextbuf = list_first_entry(&queue->irqqueue, struct uvc_buffer,
- queue);
- else
- nextbuf = NULL;
buf->buf.field = V4L2_FIELD_NONE;
buf->buf.sequence = queue->sequence++;
@@ -340,8 +333,6 @@ struct uvc_buffer *uvcg_queue_next_buffer(struct uvc_video_queue *queue,
vb2_set_plane_payload(&buf->buf.vb2_buf, 0, buf->bytesused);
vb2_buffer_done(&buf->buf.vb2_buf, VB2_BUF_STATE_DONE);
-
- return nextbuf;
}
struct uvc_buffer *uvcg_queue_head(struct uvc_video_queue *queue)