regulator: 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 <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
diff --git a/drivers/regulator/ad5398.c b/drivers/regulator/ad5398.c
index 6b981b5..b2b203c 100644
--- a/drivers/regulator/ad5398.c
+++ b/drivers/regulator/ad5398.c
@@ -214,7 +214,7 @@
 static int ad5398_probe(struct i2c_client *client,
 				const struct i2c_device_id *id)
 {
-	struct regulator_init_data *init_data = client->dev.platform_data;
+	struct regulator_init_data *init_data = dev_get_platdata(&client->dev);
 	struct regulator_config config = { };
 	struct ad5398_chip_info *chip;
 	const struct ad5398_current_data_format *df =