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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 16extern int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np); 17extern struct phy_device *of_phy_find_device(struct device_node *phy_np); 18extern 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); 22extern struct phy_device *of_phy_connect_fixed_link(struct net_device *dev, 23 void (*hndlr)(struct net_device *), 24 phy_interface_t iface); 25 26extern struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np); 27 28#else /* CONFIG_OF */ 29static inline int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np) 30{ 31 return -ENOSYS; 32} 33 34static inline struct phy_device *of_phy_find_device(struct device_node *phy_np) 35{ 36 return NULL; 37} 38 39static 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 47static 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 54static 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 */