diff --git a/drivers/staging/octeon/octeon-stubs.h b/drivers/staging/octeon/octeon-stubs.h
index d06743504f2b..3f8e5713b8a8 100644
--- a/drivers/staging/octeon/octeon-stubs.h
+++ b/drivers/staging/octeon/octeon-stubs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define CONFIG_CAVIUM_OCTEON_CVMSEG_SIZE	512
 
 #ifndef XKPHYS_TO_PHYS