mfd: wl1273: use devm_*() functions

index 1288e99..f7c52d9 100644
@@ -172,12 +172,9 @@ static int wl1273_fm_set_volume(struct wl1273_core *core, unsigned int volume)
 
 static int wl1273_core_remove(struct i2c_client *client)
 {
-	struct wl1273_core *core = i2c_get_clientdata(client);
-
 	dev_dbg(&client->dev, "%s\n", __func__);
 
 	mfd_remove_devices(&client->dev);
-	kfree(core);
 
 	return 0;
 }

@@ -203,7 +200,7 @@ static int wl1273_core_probe(struct i2c_client *client,
 		return -EINVAL;
 	}
 
-	core = kzalloc(sizeof(*core), GFP_KERNEL);
+	core = devm_kzalloc(&client->dev, sizeof(*core), GFP_KERNEL);
 	if (!core)
 		return -ENOMEM;
 

@@ -249,7 +246,6 @@ static int wl1273_core_probe(struct i2c_client *client,
 
 err:
 	pdata->free_resources();
-	kfree(core);
 
 	dev_dbg(&client->dev, "%s\n", __func__);