Index: linux-2.6.25.4/drivers/net/phy/mdio_bus.c =================================================================== --- linux-2.6.25.4.orig/drivers/net/phy/mdio_bus.c +++ linux-2.6.25.4/drivers/net/phy/mdio_bus.c @@ -132,6 +132,9 @@ static int mdio_bus_match(struct device struct phy_device *phydev = to_phy_device(dev); struct phy_driver *phydrv = to_phy_driver(drv); + if (phydrv->detect) + return (phydrv->detect(phydev->bus, phydev->addr)); + return ((phydrv->phy_id & phydrv->phy_id_mask) == (phydev->phy_id & phydrv->phy_id_mask)); } Index: linux-2.6.25.4/include/linux/phy.h =================================================================== --- linux-2.6.25.4.orig/include/linux/phy.h +++ linux-2.6.25.4/include/linux/phy.h @@ -325,6 +325,11 @@ struct phy_driver { u32 features; u32 flags; + /* Called during discovery to test if the + * device can attach to the bus, even if + * phy id and mask do not match */ + bool (*detect)(struct mii_bus *bus, int addr); + /* Called to initialize the PHY, * including after a reset */ int (*config_init)(struct phy_device *phydev);