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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 #ifdef CONFIG_OF_NET
10 #include <linux/of.h>
11 
12 struct net_device;
13 extern int of_get_phy_mode(struct device_node *np);
14 extern const void *of_get_mac_address(struct device_node *np);
15 extern struct net_device *of_find_net_device_by_node(struct device_node *np);
16 #else
of_get_phy_mode(struct device_node * np)17 static inline int of_get_phy_mode(struct device_node *np)
18 {
19 	return -ENODEV;
20 }
21 
of_get_mac_address(struct device_node * np)22 static inline const void *of_get_mac_address(struct device_node *np)
23 {
24 	return ERR_PTR(-ENODEV);
25 }
26 
of_find_net_device_by_node(struct device_node * np)27 static inline struct net_device *of_find_net_device_by_node(struct device_node *np)
28 {
29 	return NULL;
30 }
31 #endif
32 
33 #endif /* __LINUX_OF_NET_H */
34