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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); 22struct phy_device *of_phy_attach(struct net_device *dev, 23 struct device_node *phy_np, u32 flags, 24 phy_interface_t iface); 25extern struct phy_device *of_phy_connect_fixed_link(struct net_device *dev, 26 void (*hndlr)(struct net_device *), 27 phy_interface_t iface); 28 29extern struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np); 30 31#else /* CONFIG_OF */ 32static inline int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np) 33{ 34 return -ENOSYS; 35} 36 37static inline struct phy_device *of_phy_find_device(struct device_node *phy_np) 38{ 39 return NULL; 40} 41 42static inline struct phy_device *of_phy_connect(struct net_device *dev, 43 struct device_node *phy_np, 44 void (*hndlr)(struct net_device *), 45 u32 flags, phy_interface_t iface) 46{ 47 return NULL; 48} 49 50static inline struct phy_device *of_phy_attach(struct net_device *dev, 51 struct device_node *phy_np, 52 u32 flags, phy_interface_t iface) 53{ 54 return NULL; 55} 56 57static inline struct phy_device *of_phy_connect_fixed_link(struct net_device *dev, 58 void (*hndlr)(struct net_device *), 59 phy_interface_t iface) 60{ 61 return NULL; 62} 63 64static inline struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np) 65{ 66 return NULL; 67} 68#endif /* CONFIG_OF */ 69 70#endif /* __LINUX_OF_MDIO_H */