diff --git a/drivers/phy/ulpi_phy.h b/drivers/phy/ulpi_phy.h
index ac49fb6285ee..f2ebe490a4bc 100644
--- a/drivers/phy/ulpi_phy.h
+++ b/drivers/phy/ulpi_phy.h
@@ -5,7 +5,7 @@
  * and it's controller, which is always the parent.
  */
 static inline struct phy
-*ulpi_phy_create(struct ulpi *ulpi, struct phy_ops *ops)
+*ulpi_phy_create(struct ulpi *ulpi, const struct phy_ops *ops)
 {
 	struct phy *phy;
 	int ret;