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-lp3944.c b/drivers/leds/leds-lp3944.c
index 0c4386e6..2b53d10 100644
--- a/drivers/leds/leds-lp3944.c
+++ b/drivers/leds/leds-lp3944.c
@@ -377,7 +377,8 @@
 static int lp3944_probe(struct i2c_client *client,
 				  const struct i2c_device_id *id)
 {
-	struct lp3944_platform_data *lp3944_pdata = client->dev.platform_data;
+	struct lp3944_platform_data *lp3944_pdata =
+			dev_get_platdata(&client->dev);
 	struct lp3944_data *data;
 	int err;
 
@@ -413,7 +414,7 @@
 
 static int lp3944_remove(struct i2c_client *client)
 {
-	struct lp3944_platform_data *pdata = client->dev.platform_data;
+	struct lp3944_platform_data *pdata = dev_get_platdata(&client->dev);
 	struct lp3944_data *data = i2c_get_clientdata(client);
 	int i;