media: videobuf2: Remove vb2_find_timestamp()

Now that we've transitioned all users to vb2_find_buffer API,
remove the unused vb2_find_timestamp().
Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Acked-by: Tomasz Figa <tfiga@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/common/videobuf2/videobuf2-v4l2.c

@@ -625,19 +625,6 @@ static const struct vb2_buf_ops v4l2_buf_ops = {
 	.copy_timestamp		= __copy_timestamp,
 };
 
-int vb2_find_timestamp(const struct vb2_queue *q, u64 timestamp,
-		       unsigned int start_idx)
-{
-	unsigned int i;
-
-	for (i = start_idx; i < q->num_buffers; i++)
-		if (q->bufs[i]->copied_timestamp &&
-		    q->bufs[i]->timestamp == timestamp)
-			return i;
-	return -1;
-}
-EXPORT_SYMBOL_GPL(vb2_find_timestamp);
-
 struct vb2_buffer *vb2_find_buffer(struct vb2_queue *q, u64 timestamp)
 {
 	unsigned int i;

include/media/videobuf2-v4l2.h

@@ -62,22 +62,6 @@ struct vb2_v4l2_buffer {
 #define to_vb2_v4l2_buffer(vb) \
 	container_of(vb, struct vb2_v4l2_buffer, vb2_buf)
 
-/**
- * vb2_find_timestamp() - Find buffer with given timestamp in the queue
- *
- * @q:		pointer to &struct vb2_queue with videobuf2 queue.
- * @timestamp:	the timestamp to find.
- * @start_idx:	the start index (usually 0) in the buffer array to start
- *		searching from. Note that there may be multiple buffers
- *		with the same timestamp value, so you can restart the search
- *		by setting @start_idx to the previously found index + 1.
- *
- * Returns the buffer index of the buffer with the given @timestamp, or
- * -1 if no buffer with @timestamp was found.
- */
-int vb2_find_timestamp(const struct vb2_queue *q, u64 timestamp,
-		       unsigned int start_idx);
-
 /**
  * vb2_find_buffer() - Find a buffer with given timestamp
  *