net: ethernet: ti: davinci_emac: 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/ti/davinci_emac.c

@@ -2002,8 +2002,7 @@ static int davinci_emac_remove(struct platform_device *pdev)
 
 static int davinci_emac_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);
 
 	if (netif_running(ndev))
 		emac_dev_stop(ndev);
@@ -2013,8 +2012,7 @@ static int davinci_emac_suspend(struct device *dev)
 
 static int davinci_emac_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);
 
 	if (netif_running(ndev))
 		emac_dev_open(ndev);