1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * OF helpers for network devices.
4  */
5 
6 #ifndef __LINUX_OF_NET_H
7 #define __LINUX_OF_NET_H
8 
9 #include <linux/phy.h>
10 
11 #ifdef CONFIG_OF_NET
12 #include <linux/of.h>
13 
14 struct net_device;
15 extern int of_get_phy_mode(struct device_node *np, phy_interface_t *interface);
16 extern const void *of_get_mac_address(struct device_node *np);
17 extern struct net_device *of_find_net_device_by_node(struct device_node *np);
18 #else
of_get_phy_mode(struct device_node * np,phy_interface_t * interface)19 static inline int of_get_phy_mode(struct device_node *np,
20 				  phy_interface_t *interface)
21 {
22 	return -ENODEV;
23 }
24 
of_get_mac_address(struct device_node * np)25 static inline const void *of_get_mac_address(struct device_node *np)
26 {
27 	return ERR_PTR(-ENODEV);
28 }
29 
of_find_net_device_by_node(struct device_node * np)30 static inline struct net_device *of_find_net_device_by_node(struct device_node *np)
31 {
32 	return NULL;
33 }
34 #endif
35 
36 #endif /* __LINUX_OF_NET_H */
37