|  | /* SPDX-License-Identifier: GPL-2.0-only */ | 
|  | /* | 
|  | * FWNODE helper for the MDIO (Ethernet PHY) API | 
|  | */ | 
|  |  | 
|  | #ifndef __LINUX_FWNODE_MDIO_H | 
|  | #define __LINUX_FWNODE_MDIO_H | 
|  |  | 
|  | #include <linux/phy.h> | 
|  |  | 
|  | #if IS_ENABLED(CONFIG_FWNODE_MDIO) | 
|  | int fwnode_mdiobus_phy_device_register(struct mii_bus *mdio, | 
|  | struct phy_device *phy, | 
|  | struct fwnode_handle *child, u32 addr); | 
|  |  | 
|  | int fwnode_mdiobus_register_phy(struct mii_bus *bus, | 
|  | struct fwnode_handle *child, u32 addr); | 
|  |  | 
|  | #else /* CONFIG_FWNODE_MDIO */ | 
|  | int fwnode_mdiobus_phy_device_register(struct mii_bus *mdio, | 
|  | struct phy_device *phy, | 
|  | struct fwnode_handle *child, u32 addr) | 
|  | { | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | static inline int fwnode_mdiobus_register_phy(struct mii_bus *bus, | 
|  | struct fwnode_handle *child, | 
|  | u32 addr) | 
|  | { | 
|  | return -EINVAL; | 
|  | } | 
|  | #endif | 
|  |  | 
|  | #endif /* __LINUX_FWNODE_MDIO_H */ |