diff --git a/drivers/usb/isp1760/isp1760-core.h b/drivers/usb/isp1760/isp1760-core.h
index 97cb4d7a3e1cab..d9a0a4cc467c6a 100644
--- a/drivers/usb/isp1760/isp1760-core.h
+++ b/drivers/usb/isp1760/isp1760-core.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Driver for the NXP ISP1760 chip
  *
diff --git a/drivers/usb/isp1760/isp1760-regs.h b/drivers/usb/isp1760/isp1760-regs.h
index 1f00c3850cf755..fedc4f5cded0d6 100644
--- a/drivers/usb/isp1760/isp1760-regs.h
+++ b/drivers/usb/isp1760/isp1760-regs.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Driver for the NXP ISP1760 chip
  *
diff --git a/drivers/usb/isp1760/isp1760-udc.h b/drivers/usb/isp1760/isp1760-udc.h
index 2d0b88747701f1..d2df650d54e9b3 100644
--- a/drivers/usb/isp1760/isp1760-udc.h
+++ b/drivers/usb/isp1760/isp1760-udc.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Driver for the NXP ISP1761 device controller
  *