[PATCH 5/6] mailbox: sandbox: Staticize and constify driver ops

[Marek Vasut]

Set the ops structure as static const. The structure is not accessible
from outside of this driver and is not going to be modified at runtime.

Signed-off-by: Marek Vasut <marek.vasut+renesas at mailbox.org>
---
Cc: Simon Glass <sjg at chromium.org>
Cc: Tom Rini <trini at konsulko.com>
Cc: u-boot at lists.denx.de
---
 drivers/mailbox/sandbox-mbox.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mailbox/sandbox-mbox.c b/drivers/mailbox/sandbox-mbox.c
index 87e06e492fe..d6ac758c4d8 100644
--- a/drivers/mailbox/sandbox-mbox.c
+++ b/drivers/mailbox/sandbox-mbox.c
@@ -86,7 +86,7 @@ static const struct udevice_id sandbox_mbox_ids[] = {
 	{ }
 };
 
-struct mbox_ops sandbox_mbox_mbox_ops = {
+static const struct mbox_ops sandbox_mbox_mbox_ops = {
 	.request = sandbox_mbox_request,
 	.rfree = sandbox_mbox_free,
 	.send = sandbox_mbox_send,
-- 
2.53.0