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-rw-r--r--arch/mips/fw/arc/Makefile1
-rw-r--r--arch/mips/fw/arc/arc_con.c1
-rw-r--r--arch/mips/fw/arc/memory.c1
-rw-r--r--arch/mips/fw/arc/salone.c1
4 files changed, 4 insertions, 0 deletions
diff --git a/arch/mips/fw/arc/Makefile b/arch/mips/fw/arc/Makefile
index 4f349ec1ea2d..31dd7305d643 100644
--- a/arch/mips/fw/arc/Makefile
+++ b/arch/mips/fw/arc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the ARC prom monitor library routines under Linux.
#
diff --git a/arch/mips/fw/arc/arc_con.c b/arch/mips/fw/arc/arc_con.c
index bc32fe64f42a..769d4b9ac82e 100644
--- a/arch/mips/fw/arc/arc_con.c
+++ b/arch/mips/fw/arc/arc_con.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Wrap-around code for a console using the
* ARC io-routines.
diff --git a/arch/mips/fw/arc/memory.c b/arch/mips/fw/arc/memory.c
index 0d75b5a0bad4..dd9496f26e6a 100644
--- a/arch/mips/fw/arc/memory.c
+++ b/arch/mips/fw/arc/memory.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* memory.c: PROM library functions for acquiring/using memory descriptors
* given to us from the ARCS firmware.
diff --git a/arch/mips/fw/arc/salone.c b/arch/mips/fw/arc/salone.c
index 9b568950d1fd..2d99f44d5576 100644
--- a/arch/mips/fw/arc/salone.c
+++ b/arch/mips/fw/arc/salone.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Routines to load into memory and execute stand-along program images using
* ARCS PROM firmware.