can: bfin_can: 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: Marc Kleine-Budde <mkl@pengutronix.de>
diff --git a/drivers/net/can/bfin_can.c b/drivers/net/can/bfin_can.c
index a2700d2..8a0b515 100644
--- a/drivers/net/can/bfin_can.c
+++ b/drivers/net/can/bfin_can.c
@@ -539,7 +539,7 @@
 	struct resource *res_mem, *rx_irq, *tx_irq, *err_irq;
 	unsigned short *pdata;
 
-	pdata = pdev->dev.platform_data;
+	pdata = dev_get_platdata(&pdev->dev);
 	if (!pdata) {
 		dev_err(&pdev->dev, "No platform data provided!\n");
 		err = -EINVAL;