net: dm9000: 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>
diff --git a/drivers/net/ethernet/davicom/dm9000.c b/drivers/net/ethernet/davicom/dm9000.c
index a13b312..5f5896e 100644
--- a/drivers/net/ethernet/davicom/dm9000.c
+++ b/drivers/net/ethernet/davicom/dm9000.c
@@ -1384,7 +1384,7 @@
 static int
 dm9000_probe(struct platform_device *pdev)
 {
-	struct dm9000_plat_data *pdata = pdev->dev.platform_data;
+	struct dm9000_plat_data *pdata = dev_get_platdata(&pdev->dev);
 	struct board_info *db;	/* Point a board information structure */
 	struct net_device *ndev;
 	const unsigned char *mac_src;