leds: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
diff --git a/drivers/leds/leds-atmel-pwm.c b/drivers/leds/leds-atmel-pwm.c
index 90518f8..56cec8d 100644
--- a/drivers/leds/leds-atmel-pwm.c
+++ b/drivers/leds/leds-atmel-pwm.c
@@ -42,7 +42,7 @@
 	int					i;
 	int					status;
 
-	pdata = pdev->dev.platform_data;
+	pdata = dev_get_platdata(&pdev->dev);
 	if (!pdata || pdata->num_leds < 1)
 		return -ENODEV;
 
@@ -119,7 +119,7 @@
 	struct pwmled				*leds;
 	unsigned				i;
 
-	pdata = pdev->dev.platform_data;
+	pdata = dev_get_platdata(&pdev->dev);
 	leds = platform_get_drvdata(pdev);
 
 	for (i = 0; i < pdata->num_leds; i++) {