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/f75375s.c b/drivers/hwmon/f75375s.c
index 9e300e5..a837b94 100644
--- a/drivers/hwmon/f75375s.c
+++ b/drivers/hwmon/f75375s.c
@@ -832,7 +832,8 @@
 		const struct i2c_device_id *id)
 {
 	struct f75375_data *data;
-	struct f75375s_platform_data *f75375s_pdata = client->dev.platform_data;
+	struct f75375s_platform_data *f75375s_pdata =
+			dev_get_platdata(&client->dev);
 	int err;
 
 	if (!i2c_check_functionality(client->adapter,