--- zzzz-none-000/linux-3.10.107/include/linux/of_net.h	2017-06-27 09:49:32.000000000 +0000
+++ vr9-7490-729/linux-3.10.107/include/linux/of_net.h	2021-11-10 11:53:56.000000000 +0000
@@ -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;
 }