- struct sbus_bus *sbus;
- struct sbus_dev *sdev = NULL;
- static int called;
- int cards = 0, v;
-
- root_bigmac_dev = NULL;
-
- if (called)
- return -ENODEV;
- called++;
-
- for_each_sbus(sbus) {
- for_each_sbusdev(sdev, sbus) {
- if (bigmac_match(sdev)) {
- cards++;
- if ((v = bigmac_ether_init(sdev)))
- return v;
- }
- }
- }
- if (!cards)
- return -ENODEV;
+ struct bigmac *bp = dev_get_drvdata(&dev->dev);
+ struct net_device *net_dev = bp->dev;
+
+ unregister_netdevice(net_dev);
+
+ sbus_iounmap(bp->gregs, GLOB_REG_SIZE);
+ sbus_iounmap(bp->creg, CREG_REG_SIZE);
+ sbus_iounmap(bp->bregs, BMAC_REG_SIZE);
+ sbus_iounmap(bp->tregs, TCVR_REG_SIZE);
+ sbus_free_consistent(bp->bigmac_sdev,
+ PAGE_SIZE,
+ bp->bmac_block,
+ bp->bblock_dvma);
+
+ free_netdev(net_dev);
+
+ dev_set_drvdata(&dev->dev, NULL);
+