diff --git a/drivers/pinctrl/pinctrl-st.c b/drivers/pinctrl/pinctrl-st.c
index b80ccc7..65bf73b 100644
--- a/drivers/pinctrl/pinctrl-st.c
+++ b/drivers/pinctrl/pinctrl-st.c
@@ -1590,7 +1590,7 @@
 	return 0;
 }
 
-static struct of_device_id st_pctl_of_match[] = {
+static const struct of_device_id st_pctl_of_match[] = {
 	{ .compatible = "st,stih415-sbc-pinctrl", .data = &stih415_sbc_data },
 	{ .compatible = "st,stih415-rear-pinctrl", .data = &stih415_rear_data },
 	{ .compatible = "st,stih415-left-pinctrl", .data = &stih415_left_data },