diff --git a/drivers/tty/hvc/hvc_opal.c b/drivers/tty/hvc/hvc_opal.c
index 071551bf3e9a559ae6ac1177f482ade55067eb42..543b234e70fc33bf728f6b30b66e0ef3048e4e1d 100644
--- a/drivers/tty/hvc/hvc_opal.c
+++ b/drivers/tty/hvc/hvc_opal.c
@@ -41,7 +41,7 @@
 
 static const char hvc_opal_name[] = "hvc_opal";
 
-static struct of_device_id hvc_opal_match[] = {
+static const struct of_device_id hvc_opal_match[] = {
 	{ .name = "serial", .compatible = "ibm,opal-console-raw" },
 	{ .name = "serial", .compatible = "ibm,opal-console-hvsi" },
 	{ },