Merge branch 'mailbox-for-next' of git://git.linaro.org/landing-teams/working/fujitsu/integration

Pull mailbox fixlet from Jussi Brar.

* 'mailbox-for-next' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
  mailbox: constify mbox_chan_ops structure
diff --git a/drivers/mailbox/mailbox-sti.c b/drivers/mailbox/mailbox-sti.c
index 4835817..2394cfe 100644
--- a/drivers/mailbox/mailbox-sti.c
+++ b/drivers/mailbox/mailbox-sti.c
@@ -384,7 +384,7 @@
 	return chan;
 }
 
-static struct mbox_chan_ops sti_mbox_ops = {
+static const struct mbox_chan_ops sti_mbox_ops = {
 	.startup	= sti_mbox_startup_chan,
 	.shutdown	= sti_mbox_shutdown_chan,
 	.send_data	= sti_mbox_send_data,