diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h
index 99b0bdfe0012b..668d1ad646a4a 100644
--- a/drivers/usb/dwc2/core.h
+++ b/drivers/usb/dwc2/core.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
+/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
 /*
  * core.h - DesignWare HS OTG Controller common declarations
  *
diff --git a/drivers/usb/dwc2/debug.h b/drivers/usb/dwc2/debug.h
index a8c565b6bc34b..47252c56d4105 100644
--- a/drivers/usb/dwc2/debug.h
+++ b/drivers/usb/dwc2/debug.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * debug.h - Designware USB2 DRD controller debug header
  *
diff --git a/drivers/usb/dwc2/hcd.h b/drivers/usb/dwc2/hcd.h
index 1224fa9df604b..ea02ee63ac6d8 100644
--- a/drivers/usb/dwc2/hcd.h
+++ b/drivers/usb/dwc2/hcd.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
+/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
 /*
  * hcd.h - DesignWare HS OTG Controller host-mode declarations
  *
diff --git a/drivers/usb/dwc2/hw.h b/drivers/usb/dwc2/hw.h
index c4027bbcedec4..864b76a0b954d 100644
--- a/drivers/usb/dwc2/hw.h
+++ b/drivers/usb/dwc2/hw.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
+/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
 /*
  * hw.h - DesignWare HS OTG Controller hardware definitions
  *