diff --git a/drivers/of/address.c b/drivers/of/address.c
index fa6cabf..6391604 100644
--- a/drivers/of/address.c
+++ b/drivers/of/address.c
@@ -1,4 +1,4 @@
-
+// SPDX-License-Identifier: GPL-2.0
 #define pr_fmt(fmt)	"OF: " fmt
 
 #include <linux/device.h>