hwmon: 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: Guenter Roeck <linux@roeck-us.net>
diff --git a/drivers/hwmon/max197.c b/drivers/hwmon/max197.c
index b5ebb91..96dccaf 100644
--- a/drivers/hwmon/max197.c
+++ b/drivers/hwmon/max197.c
@@ -261,7 +261,7 @@
 {
 	int ch, ret;
 	struct max197_data *data;
-	struct max197_platform_data *pdata = pdev->dev.platform_data;
+	struct max197_platform_data *pdata = dev_get_platdata(&pdev->dev);
 	enum max197_chips chip = platform_get_device_id(pdev)->driver_data;
 
 	if (pdata == NULL) {