ag->mii_bus = dev_to_mii_bus(pdata->mii_bus_dev);
if (ag->mii_bus == NULL) {
printk(KERN_ERR "%s: unable to find MII bus on device '%s'\n",
ag->mii_bus = dev_to_mii_bus(pdata->mii_bus_dev);
if (ag->mii_bus == NULL) {
printk(KERN_ERR "%s: unable to find MII bus on device '%s'\n",