diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
index 0c6d7812d6fd981b95f9d526cb9d6645e4b7855d..4b61f25f13b7e64f7ecf4d9b5c0e7c44cb7e3c9b 100644
--- a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
+++ b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
@@ -190,14 +190,14 @@ static struct armada_37xx_pin_group armada_37xx_sb_groups[] = {
 		       "mii", "mii_err"),
 };
 
-const struct armada_37xx_pin_data armada_37xx_pin_nb = {
+static const struct armada_37xx_pin_data armada_37xx_pin_nb = {
 	.nr_pins = 36,
 	.name = "GPIO1",
 	.groups = armada_37xx_nb_groups,
 	.ngroups = ARRAY_SIZE(armada_37xx_nb_groups),
 };
 
-const struct armada_37xx_pin_data armada_37xx_pin_sb = {
+static const struct armada_37xx_pin_data armada_37xx_pin_sb = {
 	.nr_pins = 30,
 	.name = "GPIO2",
 	.groups = armada_37xx_sb_groups,