net: macb: 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>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c
index 7660c45..9257869 100644
--- a/drivers/net/ethernet/cadence/macb.c
+++ b/drivers/net/ethernet/cadence/macb.c
@@ -125,7 +125,7 @@
 	u8 addr[6];
 	int i;
 
-	pdata = bp->pdev->dev.platform_data;
+	pdata = dev_get_platdata(&bp->pdev->dev);
 
 	/* Check all 4 address register for vaild address */
 	for (i = 0; i < 4; i++) {
@@ -335,7 +335,7 @@
 		bp->pdev->name, bp->pdev->id);
 	bp->mii_bus->priv = bp;
 	bp->mii_bus->parent = &bp->dev->dev;
-	pdata = bp->pdev->dev.platform_data;
+	pdata = dev_get_platdata(&bp->pdev->dev);
 
 	bp->mii_bus->irq = kmalloc(sizeof(int)*PHY_MAX_ADDR, GFP_KERNEL);
 	if (!bp->mii_bus->irq) {
@@ -1851,7 +1851,7 @@
 
 	err = of_get_phy_mode(pdev->dev.of_node);
 	if (err < 0) {
-		pdata = pdev->dev.platform_data;
+		pdata = dev_get_platdata(&pdev->dev);
 		if (pdata && pdata->is_rmii)
 			bp->phy_interface = PHY_INTERFACE_MODE_RMII;
 		else