5 files changed, 5 insertions, 0 deletions
diff --git a/arch/mips/include/asm/sn/hub.h b/arch/mips/include/asm/sn/hub.h
index 1992d9254a08..338f7eed74f1 100644
--- a/arch/mips/include/asm/sn/hub.h
+++ b/arch/mips/include/asm/sn/hub.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SN_HUB_H
 #define __ASM_SN_HUB_H
 
diff --git a/arch/mips/include/asm/sn/ioc3.h b/arch/mips/include/asm/sn/ioc3.h
index feb385180f87..25c8dccab51f 100644
--- a/arch/mips/include/asm/sn/ioc3.h
+++ b/arch/mips/include/asm/sn/ioc3.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 1999, 2000 Ralf Baechle
  * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
diff --git a/arch/mips/include/asm/sn/klkernvars.h b/arch/mips/include/asm/sn/klkernvars.h
index 6af25ba41ade..ea6b21795163 100644
--- a/arch/mips/include/asm/sn/klkernvars.h
+++ b/arch/mips/include/asm/sn/klkernvars.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * File ported from IRIX to Linux by Kanoj Sarcar, 06/08/00.
  * Copyright 2000 Silicon Graphics, Inc.
diff --git a/arch/mips/include/asm/sn/mapped_kernel.h b/arch/mips/include/asm/sn/mapped_kernel.h
index 401f3b0eee17..2f3efa91c16e 100644
--- a/arch/mips/include/asm/sn/mapped_kernel.h
+++ b/arch/mips/include/asm/sn/mapped_kernel.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * File created by Kanoj Sarcar 06/06/00.
  * Copyright 2000 Silicon Graphics, Inc.
diff --git a/arch/mips/include/asm/sn/sn_private.h b/arch/mips/include/asm/sn/sn_private.h
index fdfae43d8b99..f09ba846c644 100644
--- a/arch/mips/include/asm/sn/sn_private.h
+++ b/arch/mips/include/asm/sn/sn_private.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SN_SN_PRIVATE_H
 #define __ASM_SN_SN_PRIVATE_H