net: ethernet: davicom: dm9000: simplify getting .driver_data

We should get 'driver_data' from 'struct device' directly. Going via
platform_device is an unneeded step back and forth.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/davicom/dm9000.c

@@ -1722,8 +1722,7 @@ dm9000_probe(struct platform_device *pdev)
 static int
 dm9000_drv_suspend(struct device *dev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct net_device *ndev = platform_get_drvdata(pdev);
+	struct net_device *ndev = dev_get_drvdata(dev);
 	struct board_info *db;
 
 	if (ndev) {
@@ -1745,8 +1744,7 @@ dm9000_drv_suspend(struct device *dev)
 static int
 dm9000_drv_resume(struct device *dev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct net_device *ndev = platform_get_drvdata(pdev);
+	struct net_device *ndev = dev_get_drvdata(dev);
 	struct board_info *db = netdev_priv(ndev);
 
 	if (ndev) {