diff --git a/drivers/pinctrl/bcm/pinctrl-bcm63xx.h b/drivers/pinctrl/bcm/pinctrl-bcm63xx.h
index 95243027ecd9..3dcfabb94ece 100644
--- a/drivers/pinctrl/bcm/pinctrl-bcm63xx.h
+++ b/drivers/pinctrl/bcm/pinctrl-bcm63xx.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0+
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * Copyright (C) 2021 Álvaro Fernández Rojas <noltari@gmail.com>
  * Copyright (C) 2016 Jonas Gorski <jonas.gorski@gmail.com>