diff --git a/drivers/ide/ide-gd.h b/drivers/ide/ide-gd.h
index 5597077..af3fe18 100644
--- a/drivers/ide/ide-gd.h
+++ b/drivers/ide/ide-gd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __IDE_GD_H
 #define __IDE_GD_H