net: ucc_geth: use platform_{get,set}_drvdata()

Use the wrapper functions for getting and setting the driver data using
platform_device instead of using dev_{get,set}_drvdata() with &ofdev->dev,
so we can directly pass a struct platform_device.
Signed-off-by: Libo Chen <libo.chen@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/freescale/ucc_geth.c

@@ -3911,8 +3911,7 @@ static int ucc_geth_probe(struct platform_device* ofdev)
 
 static int ucc_geth_remove(struct platform_device* ofdev)
 {
-	struct device *device = &ofdev->dev;
-	struct net_device *dev = dev_get_drvdata(device);
+	struct net_device *dev = platform_get_drvdata(ofdev);
 	struct ucc_geth_private *ugeth = netdev_priv(dev);
 
 	unregister_netdev(dev);