diff --git a/drivers/usb/phy/phy-mv-usb.c b/drivers/usb/phy/phy-mv-usb.c
index 6e84a5710407..0e315694adc9 100644
--- a/drivers/usb/phy/phy-mv-usb.c
+++ b/drivers/usb/phy/phy-mv-usb.c
@@ -648,7 +648,7 @@ static struct attribute *inputs_attrs[] = {
 	NULL,
 };
 
-static struct attribute_group inputs_attr_group = {
+static const struct attribute_group inputs_attr_group = {
 	.name = "inputs",
 	.attrs = inputs_attrs,
 };