diff --git a/drivers/input/touchscreen/stm/ftm4_ts.c b/drivers/input/touchscreen/stm/ftm4_ts.c
index 0e5d94b0b94c..5ab004e784d8 100644
--- a/drivers/input/touchscreen/stm/ftm4_ts.c
+++ b/drivers/input/touchscreen/stm/ftm4_ts.c
@@ -578,6 +578,7 @@ static unsigned char fts_event_handler_type_b(struct fts_ts_info *info,
 
 		case EVENTID_ENTER_POINTER:
 			info->touch_count++;
+			fallthrough;
 
 		case EVENTID_MOTION_POINTER:
 			if (info->touch_count == 0) {
@@ -1102,7 +1103,7 @@ error:
 	return retval;
 }
 
-static int fts_probe(struct i2c_client *client, const struct i2c_device_id *idp)
+static int fts_probe(struct i2c_client *client)
 {
 	int retval = 0;
 	struct fts_ts_info *info = NULL;
@@ -1231,7 +1232,7 @@ err_setup_drv_data:
 	return retval;
 }
 
-static int fts_remove(struct i2c_client *client)
+static void fts_remove(struct i2c_client *client)
 {
 	struct fts_ts_info *info = i2c_get_clientdata(client);
 	const struct fts_i2c_platform_data *pdata = info->board;
@@ -1262,8 +1263,6 @@ static int fts_remove(struct i2c_client *client)
 		gpio_free(pdata->vio_gpio);
 
 	kfree(info);
-
-	return 0;
 }
 
 static void fts_release_all_finger(struct fts_ts_info *info)