diff --git a/drivers/base/base.h b/drivers/base/base.h
index 0d32544b6f91..80598b312940 100644
--- a/drivers/base/base.h
+++ b/drivers/base/base.h
@@ -1,4 +1,15 @@
 /* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2001-2003 Patrick Mochel <mochel@osdl.org>
+ * Copyright (c) 2004-2009 Greg Kroah-Hartman <gregkh@suse.de>
+ * Copyright (c) 2008-2012 Novell Inc.
+ * Copyright (c) 2012-2019 Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+ * Copyright (c) 2012-2019 Linux Foundation
+ *
+ * Core driver model functions and structures that should not be
+ * shared outside of the drivers/base/ directory.
+ *
+ */
 #include <linux/notifier.h>
 
 /**