5 files changed, 5 insertions, 0 deletions
diff --git a/arch/xtensa/lib/Makefile b/arch/xtensa/lib/Makefile
index 6c4fdd86acd8..9437ca51f18a 100644
--- a/arch/xtensa/lib/Makefile
+++ b/arch/xtensa/lib/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # Makefile for Xtensa-specific library files.
 #
diff --git a/arch/xtensa/mm/Makefile b/arch/xtensa/mm/Makefile
index 734888a00dc8..f7fb08ae768f 100644
--- a/arch/xtensa/mm/Makefile
+++ b/arch/xtensa/mm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # Makefile for the Linux/Xtensa-specific parts of the memory manager.
 #
diff --git a/arch/xtensa/platforms/iss/Makefile b/arch/xtensa/platforms/iss/Makefile
index b3e89291cfba..f3dd5e72a3ce 100644
--- a/arch/xtensa/platforms/iss/Makefile
+++ b/arch/xtensa/platforms/iss/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 # $Id: Makefile,v 1.1.1.1 2002/08/28 16:10:14 aroll Exp $
 #
 # Makefile for the Xtensa Instruction Set Simulator (ISS)
diff --git a/arch/xtensa/platforms/xt2000/Makefile b/arch/xtensa/platforms/xt2000/Makefile
index 54d018e45bfc..53eaeba5edd5 100644
--- a/arch/xtensa/platforms/xt2000/Makefile
+++ b/arch/xtensa/platforms/xt2000/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # Makefile for the Tensilica XT2000 Emulation Board
 #
diff --git a/arch/xtensa/platforms/xtfpga/Makefile b/arch/xtensa/platforms/xtfpga/Makefile
index 7839d38b2337..0600371b2601 100644
--- a/arch/xtensa/platforms/xtfpga/Makefile
+++ b/arch/xtensa/platforms/xtfpga/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 # Makefile for the Tensilica xtavnet Emulation Board
 #
 # Note! Dependencies are done automagically by 'make dep', which also