diff --git a/drivers/gpio/pca953x_gpio.c b/drivers/gpio/pca953x_gpio.c
index 08742f9..535b2f1 100644
--- a/drivers/gpio/pca953x_gpio.c
+++ b/drivers/gpio/pca953x_gpio.c
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Take linux kernel driver drivers/gpio/gpio-pca953x.c for reference.
  *
  * Copyright (C) 2016 Peng Fan <van.freenix@gmail.com>
  *
- * SPDX-License-Identifier:	GPL-2.0+
- *
  */
 
 /*