These vb2_ops structures are only stored in the ops field of a
vb2_queue structure, which is declared as const.  Thus the vb2_ops
structures themselves can be const.

Done with the help of Coccinelle.

// <smpl>
@r disable optional_qualifier@
identifier i;
position p;
@@
static struct vb2_ops i@p = { ... };

@ok@
identifier r.i;
struct vb2_queue e;
position p;
@@
e.ops = &i@p;

@bad@
position p != {r.p,ok.p};
identifier r.i;
struct vb2_ops e;
@@
e@i@p

@depends on !bad disable optional_qualifier@
identifier r.i;
@@
static
+const
 struct vb2_ops i = { ... };
// </smpl>

Signed-off-by: Julia Lawall <julia.law...@lip6.fr>

---
 drivers/media/platform/davinci/vpbe_display.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/platform/davinci/vpbe_display.c 
b/drivers/media/platform/davinci/vpbe_display.c
index ca2adfa..13d0270 100644
--- a/drivers/media/platform/davinci/vpbe_display.c
+++ b/drivers/media/platform/davinci/vpbe_display.c
@@ -355,7 +355,7 @@ static void vpbe_stop_streaming(struct vb2_queue *vq)
        spin_unlock_irqrestore(&disp->dma_queue_lock, flags);
 }
 
-static struct vb2_ops video_qops = {
+static const struct vb2_ops video_qops = {
        .queue_setup = vpbe_buffer_queue_setup,
        .wait_prepare = vb2_ops_wait_prepare,
        .wait_finish = vb2_ops_wait_finish,

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