net: eepro100: Pass device private data into mdiobus

Instead of doing ethernet device lookup by name every time there
is an MDIO access, pass the driver private data via mdiobus priv
to the MDIO bus accessors.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
diff --git a/drivers/net/eepro100.c b/drivers/net/eepro100.c
index 1c33ec3..78dedbd 100644
--- a/drivers/net/eepro100.c
+++ b/drivers/net/eepro100.c
@@ -309,9 +309,7 @@
 static int eepro100_miiphy_read(struct mii_dev *bus, int addr, int devad,
 				int reg)
 {
-	struct eth_device *dev = eth_get_dev_by_name(bus->name);
-	struct eepro100_priv *priv =
-		container_of(dev, struct eepro100_priv, dev);
+	struct eepro100_priv *priv = bus->priv;
 	unsigned short value = 0;
 	int ret;
 
@@ -331,9 +329,7 @@
 static int eepro100_miiphy_write(struct mii_dev *bus, int addr, int devad,
 				 int reg, u16 value)
 {
-	struct eth_device *dev = eth_get_dev_by_name(bus->name);
-	struct eepro100_priv *priv =
-		container_of(dev, struct eepro100_priv, dev);
+	struct eepro100_priv *priv = bus->priv;
 	int ret;
 
 	ret = verify_phyaddr(priv, addr);
@@ -486,6 +482,7 @@
 	strncpy(mdiodev->name, priv->name, MDIO_NAME_LEN);
 	mdiodev->read = eepro100_miiphy_read;
 	mdiodev->write = eepro100_miiphy_write;
+	mdiodev->priv = priv;
 
 	ret = mdio_register(mdiodev);
 	if (ret < 0) {