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Linux/include/linux/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 */
 61 

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