net: ethoc: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/ethoc.c

@@ -1030,8 +1030,8 @@ static int ethoc_probe(struct platform_device *pdev)
 	}
 
 	/* Allow the platform setup code to pass in a MAC address. */
-	if (pdev->dev.platform_data) {
-		struct ethoc_platform_data *pdata = pdev->dev.platform_data;
+	if (dev_get_platdata(&pdev->dev)) {
+		struct ethoc_platform_data *pdata = dev_get_platdata(&pdev->dev);
 		memcpy(netdev->dev_addr, pdata->hwaddr, IFHWADDRLEN);
 		priv->phy_id = pdata->phy_id;
 	} else {