32 static int hip04_mdio_wait_ready(struct mii_bus *bus)  in hip04_mdio_wait_ready()  argument
34 	struct hip04_mdio_priv *priv = bus->priv;  in hip04_mdio_wait_ready()
46 static int hip04_mdio_read(struct mii_bus *bus, int mii_id, int regnum)  in hip04_mdio_read()  argument
48 	struct hip04_mdio_priv *priv = bus->priv;  in hip04_mdio_read()
52 	ret = hip04_mdio_wait_ready(bus);  in hip04_mdio_read()
59 	ret = hip04_mdio_wait_ready(bus);  in hip04_mdio_read()
65 		dev_err(bus->parent, "SMI bus read not valid\n");  in hip04_mdio_read()
76 static int hip04_mdio_write(struct mii_bus *bus, int mii_id,  in hip04_mdio_write()  argument
79 	struct hip04_mdio_priv *priv = bus->priv;  in hip04_mdio_write()
83 	ret = hip04_mdio_wait_ready(bus);  in hip04_mdio_write()
94 static int hip04_mdio_reset(struct mii_bus *bus)  in hip04_mdio_reset()  argument
99 		hip04_mdio_write(bus, i, 22, 0);  in hip04_mdio_reset()
100 		temp = hip04_mdio_read(bus, i, MII_BMCR);  in hip04_mdio_reset()
105 		if (hip04_mdio_write(bus, i, MII_BMCR, temp) < 0)  in hip04_mdio_reset()
116 	struct mii_bus *bus;  in hip04_mdio_probe()  local
120 	bus = mdiobus_alloc_size(sizeof(struct hip04_mdio_priv));  in hip04_mdio_probe()
121 	if (!bus) {  in hip04_mdio_probe()
126 	bus->name = "hip04_mdio_bus";  in hip04_mdio_probe()
127 	bus->read = hip04_mdio_read;  in hip04_mdio_probe()
128 	bus->write = hip04_mdio_write;  in hip04_mdio_probe()
129 	bus->reset = hip04_mdio_reset;  in hip04_mdio_probe()
130 	snprintf(bus->id, MII_BUS_ID_SIZE, "%s-mii", dev_name(&pdev->dev));  in hip04_mdio_probe()
131 	bus->parent = &pdev->dev;  in hip04_mdio_probe()
132 	priv = bus->priv;  in hip04_mdio_probe()
141 	ret = of_mdiobus_register(bus, pdev->dev.of_node);  in hip04_mdio_probe()
147 	platform_set_drvdata(pdev, bus);  in hip04_mdio_probe()
152 	mdiobus_free(bus);  in hip04_mdio_probe()
158 	struct mii_bus *bus = platform_get_drvdata(pdev);  in hip04_mdio_remove()  local
160 	mdiobus_unregister(bus);  in hip04_mdio_remove()
161 	mdiobus_free(bus);  in hip04_mdio_remove()