28 static int mpc52xx_fec_mdio_transfer(struct mii_bus *bus, int phy_id,  in mpc52xx_fec_mdio_transfer()  argument
31 	struct mpc52xx_fec_mdio_priv *priv = bus->priv;  in mpc52xx_fec_mdio_transfer()
52 static int mpc52xx_fec_mdio_read(struct mii_bus *bus, int phy_id, int reg)  in mpc52xx_fec_mdio_read()  argument
54 	return mpc52xx_fec_mdio_transfer(bus, phy_id, reg, FEC_MII_READ_FRAME);  in mpc52xx_fec_mdio_read()
57 static int mpc52xx_fec_mdio_write(struct mii_bus *bus, int phy_id, int reg,  in mpc52xx_fec_mdio_write()  argument
60 	return mpc52xx_fec_mdio_transfer(bus, phy_id, reg,  in mpc52xx_fec_mdio_write()
68 	struct mii_bus *bus;  in mpc52xx_fec_mdio_probe()  local
73 	bus = mdiobus_alloc();  in mpc52xx_fec_mdio_probe()
74 	if (bus == NULL)  in mpc52xx_fec_mdio_probe()
82 	bus->name = "mpc52xx MII bus";  in mpc52xx_fec_mdio_probe()
83 	bus->read = mpc52xx_fec_mdio_read;  in mpc52xx_fec_mdio_probe()
84 	bus->write = mpc52xx_fec_mdio_write;  in mpc52xx_fec_mdio_probe()
87 	bus->irq = priv->mdio_irqs;  in mpc52xx_fec_mdio_probe()
99 	snprintf(bus->id, MII_BUS_ID_SIZE, "%x", res.start);  in mpc52xx_fec_mdio_probe()
100 	bus->priv = priv;  in mpc52xx_fec_mdio_probe()
102 	bus->parent = dev;  in mpc52xx_fec_mdio_probe()
103 	dev_set_drvdata(dev, bus);  in mpc52xx_fec_mdio_probe()
109 	err = of_mdiobus_register(bus, np);  in mpc52xx_fec_mdio_probe()
119 	mdiobus_free(bus);  in mpc52xx_fec_mdio_probe()
126 	struct mii_bus *bus = platform_get_drvdata(of);  in mpc52xx_fec_mdio_remove()  local
127 	struct mpc52xx_fec_mdio_priv *priv = bus->priv;  in mpc52xx_fec_mdio_remove()
129 	mdiobus_unregister(bus);  in mpc52xx_fec_mdio_remove()
132 	mdiobus_free(bus);  in mpc52xx_fec_mdio_remove()