diff --git a/drivers/of/of_net.c b/drivers/of/of_net.c
index ea174c8ee34b..8f9be2e09937 100644
--- a/drivers/of/of_net.c
+++ b/drivers/of/of_net.c
@@ -39,7 +39,7 @@ static const char *phy_modes[] = {
  * The function gets phy interface string from property 'phy-mode',
  * and return its index in phy_modes table, or errno in error case.
  */
-const int of_get_phy_mode(struct device_node *np)
+int of_get_phy_mode(struct device_node *np)
 {
 	const char *pm;
 	int err, i;
diff --git a/include/linux/of_net.h b/include/linux/of_net.h
index 61bf53b02779..34597c8c1a4c 100644
--- a/include/linux/of_net.h
+++ b/include/linux/of_net.h
@@ -9,10 +9,10 @@
 
 #ifdef CONFIG_OF_NET
 #include <linux/of.h>
-extern const int of_get_phy_mode(struct device_node *np);
+extern int of_get_phy_mode(struct device_node *np);
 extern const void *of_get_mac_address(struct device_node *np);
 #else
-static inline const int of_get_phy_mode(struct device_node *np)
+static inline int of_get_phy_mode(struct device_node *np)
 {
 	return -ENODEV;
 }