Inspired by "[media] pci: constify vb2_ops structures" patch
from Julia Lawall (dated 9 Sep 2016).
Signed-off-by: Andrey Utkin <andrey.utkin@corp.bluecherry.net>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
        spin_unlock_irqrestore(&input->slock, flags);
 }
 
-static struct vb2_ops tw5864_video_qops = {
+static const struct vb2_ops tw5864_video_qops = {
        .queue_setup = tw5864_queue_setup,
        .buf_queue = tw5864_buf_queue,
        .start_streaming = tw5864_start_streaming,