Linux Kernel  3.7.1
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of_mdio.h
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1 /*
2  * OF helpers for the MDIO (Ethernet PHY) API
3  *
4  * Copyright (c) 2009 Secret Lab Technologies, Ltd.
5  *
6  * This file is released under the GPLv2
7  */
8 
9 #ifndef __LINUX_OF_MDIO_H
10 #define __LINUX_OF_MDIO_H
11 
12 #include <linux/phy.h>
13 #include <linux/of.h>
14 
15 #ifdef CONFIG_OF
16 extern int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np);
17 extern struct phy_device *of_phy_find_device(struct device_node *phy_np);
18 extern struct phy_device *of_phy_connect(struct net_device *dev,
19  struct device_node *phy_np,
20  void (*hndlr)(struct net_device *),
21  u32 flags, phy_interface_t iface);
22 extern struct phy_device *of_phy_connect_fixed_link(struct net_device *dev,
23  void (*hndlr)(struct net_device *),
24  phy_interface_t iface);
25 
26 extern struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np);
27 
28 #else /* CONFIG_OF */
29 static inline int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
30 {
31  return -ENOSYS;
32 }
33 
34 static inline struct phy_device *of_phy_find_device(struct device_node *phy_np)
35 {
36  return NULL;
37 }
38 
39 static inline struct phy_device *of_phy_connect(struct net_device *dev,
40  struct device_node *phy_np,
41  void (*hndlr)(struct net_device *),
42  u32 flags, phy_interface_t iface)
43 {
44  return NULL;
45 }
46 
47 static inline struct phy_device *of_phy_connect_fixed_link(struct net_device *dev,
48  void (*hndlr)(struct net_device *),
49  phy_interface_t iface)
50 {
51  return NULL;
52 }
53 
54 static inline struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np)
55 {
56  return NULL;
57 }
58 #endif /* CONFIG_OF */
59 
60 #endif /* __LINUX_OF_MDIO_H */
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