diff --git a/drivers/usb/renesas_usbhs/common.h b/drivers/usb/renesas_usbhs/common.h
index ef1735d014da..eb34d762a63d 100644
--- a/drivers/usb/renesas_usbhs/common.h
+++ b/drivers/usb/renesas_usbhs/common.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-1.0+
+/* SPDX-License-Identifier: GPL-1.0+ */
 /*
  * Renesas USB driver
  *
diff --git a/drivers/usb/renesas_usbhs/fifo.h b/drivers/usb/renesas_usbhs/fifo.h
index c3d3cc35cee0..7d3700bf41d9 100644
--- a/drivers/usb/renesas_usbhs/fifo.h
+++ b/drivers/usb/renesas_usbhs/fifo.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-1.0+
+/* SPDX-License-Identifier: GPL-1.0+ */
 /*
  * Renesas USB driver
  *
diff --git a/drivers/usb/renesas_usbhs/mod.h b/drivers/usb/renesas_usbhs/mod.h
index 65dc19ca528e..56b7106d254d 100644
--- a/drivers/usb/renesas_usbhs/mod.h
+++ b/drivers/usb/renesas_usbhs/mod.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-1.0+
+/* SPDX-License-Identifier: GPL-1.0+ */
 /*
  * Renesas USB driver
  *
diff --git a/drivers/usb/renesas_usbhs/pipe.h b/drivers/usb/renesas_usbhs/pipe.h
index 3b130529408b..a4ae9f97d9cd 100644
--- a/drivers/usb/renesas_usbhs/pipe.h
+++ b/drivers/usb/renesas_usbhs/pipe.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-1.0+
+/* SPDX-License-Identifier: GPL-1.0+ */
 /*
  * Renesas USB driver
  *
diff --git a/drivers/usb/renesas_usbhs/rcar2.h b/drivers/usb/renesas_usbhs/rcar2.h
index 7d88732c5bff..046d07edb36f 100644
--- a/drivers/usb/renesas_usbhs/rcar2.h
+++ b/drivers/usb/renesas_usbhs/rcar2.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0 */
 #include "common.h"
 
 extern const struct renesas_usbhs_platform_info usbhs_rcar_gen2_plat_info;
diff --git a/drivers/usb/renesas_usbhs/rcar3.h b/drivers/usb/renesas_usbhs/rcar3.h
index c7c5ec1e3af2..d13db30bd21b 100644
--- a/drivers/usb/renesas_usbhs/rcar3.h
+++ b/drivers/usb/renesas_usbhs/rcar3.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0 */
 #include "common.h"
 
 extern const struct renesas_usbhs_platform_info usbhs_rcar_gen3_plat_info;
diff --git a/drivers/usb/renesas_usbhs/rza.h b/drivers/usb/renesas_usbhs/rza.h
index 1ca42a6fd480..a29b75fef057 100644
--- a/drivers/usb/renesas_usbhs/rza.h
+++ b/drivers/usb/renesas_usbhs/rza.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0 */
 #include "common.h"
 
 extern const struct renesas_usbhs_platform_info usbhs_rza1_plat_info;