diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index cb7fcc4..5d3284d 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config MIPS
 	bool
 	default y
diff --git a/arch/mips/Kconfig.debug b/arch/mips/Kconfig.debug
index 42a97c5..464af5e 100644
--- a/arch/mips/Kconfig.debug
+++ b/arch/mips/Kconfig.debug
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "Kernel hacking"
 
 config TRACE_IRQFLAGS_SUPPORT
diff --git a/arch/mips/Makefile.postlink b/arch/mips/Makefile.postlink
index 4b7f5a6..4eea418 100644
--- a/arch/mips/Makefile.postlink
+++ b/arch/mips/Makefile.postlink
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # ===========================================================================
 # Post-link MIPS pass
 # ===========================================================================
diff --git a/arch/mips/alchemy/Kconfig b/arch/mips/alchemy/Kconfig
index 88b4d6a..7d73f7f 100644
--- a/arch/mips/alchemy/Kconfig
+++ b/arch/mips/alchemy/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # au1000-style gpio and interrupt controllers
 config ALCHEMY_GPIOINT_AU1000
 	bool
diff --git a/arch/mips/alchemy/common/clock.c b/arch/mips/alchemy/common/clock.c
index 7ba7ea0..a83c7b7 100644
--- a/arch/mips/alchemy/common/clock.c
+++ b/arch/mips/alchemy/common/clock.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Alchemy clocks.
  *
diff --git a/arch/mips/alchemy/devboards/db1300.c b/arch/mips/alchemy/devboards/db1300.c
index cd1ae29..efb318e 100644
--- a/arch/mips/alchemy/devboards/db1300.c
+++ b/arch/mips/alchemy/devboards/db1300.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * DBAu1300 init and platform device setup.
  *
diff --git a/arch/mips/alchemy/devboards/db1550.c b/arch/mips/alchemy/devboards/db1550.c
index 421bd57..7d3dfaa 100644
--- a/arch/mips/alchemy/devboards/db1550.c
+++ b/arch/mips/alchemy/devboards/db1550.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Alchemy Db1550/Pb1550 board support
  *
diff --git a/arch/mips/alchemy/devboards/db1xxx.c b/arch/mips/alchemy/devboards/db1xxx.c
index c9ad289..e6d25aa 100644
--- a/arch/mips/alchemy/devboards/db1xxx.c
+++ b/arch/mips/alchemy/devboards/db1xxx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Alchemy DB/PB1xxx board support.
  */
diff --git a/arch/mips/alchemy/devboards/platform.c b/arch/mips/alchemy/devboards/platform.c
index be139a0..4640eda 100644
--- a/arch/mips/alchemy/devboards/platform.c
+++ b/arch/mips/alchemy/devboards/platform.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * devoard misc stuff.
  */
diff --git a/arch/mips/alchemy/devboards/platform.h b/arch/mips/alchemy/devboards/platform.h
index 5ac055d..23d98fc 100644
--- a/arch/mips/alchemy/devboards/platform.h
+++ b/arch/mips/alchemy/devboards/platform.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _DEVBOARD_PLATFORM_H_
 #define _DEVBOARD_PLATFORM_H_
 
diff --git a/arch/mips/alchemy/devboards/pm.c b/arch/mips/alchemy/devboards/pm.c
index 93024dc..73c7781 100644
--- a/arch/mips/alchemy/devboards/pm.c
+++ b/arch/mips/alchemy/devboards/pm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Alchemy Development Board example suspend userspace interface.
  *
diff --git a/arch/mips/ar7/Makefile b/arch/mips/ar7/Makefile
index 7435e44..cd51c6c 100644
--- a/arch/mips/ar7/Makefile
+++ b/arch/mips/ar7/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 obj-y := \
 	prom.o \
diff --git a/arch/mips/ath25/Kconfig b/arch/mips/ath25/Kconfig
index fc19dd5..7070b4b 100644
--- a/arch/mips/ath25/Kconfig
+++ b/arch/mips/ath25/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config SOC_AR5312
 	bool "Atheros AR5312/AR2312+ SoC support"
 	depends on ATH25
diff --git a/arch/mips/ath25/ar2315.h b/arch/mips/ath25/ar2315.h
index 877afe6..fccc64f 100644
--- a/arch/mips/ath25/ar2315.h
+++ b/arch/mips/ath25/ar2315.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __AR2315_H
 #define __AR2315_H
 
diff --git a/arch/mips/ath25/ar5312.h b/arch/mips/ath25/ar5312.h
index 470abb0..67518a5 100644
--- a/arch/mips/ath25/ar5312.h
+++ b/arch/mips/ath25/ar5312.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __AR5312_H
 #define __AR5312_H
 
diff --git a/arch/mips/ath25/devices.c b/arch/mips/ath25/devices.c
index 7a64567..e115634 100644
--- a/arch/mips/ath25/devices.c
+++ b/arch/mips/ath25/devices.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/serial_8250.h>
diff --git a/arch/mips/ath25/devices.h b/arch/mips/ath25/devices.h
index 04d4141..44cf690 100644
--- a/arch/mips/ath25/devices.h
+++ b/arch/mips/ath25/devices.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ATH25_DEVICES_H
 #define __ATH25_DEVICES_H
 
diff --git a/arch/mips/ath79/Kconfig b/arch/mips/ath79/Kconfig
index dfc6020..9547cf1e 100644
--- a/arch/mips/ath79/Kconfig
+++ b/arch/mips/ath79/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if ATH79
 
 menu "Atheros AR71XX/AR724X/AR913X machine selection"
diff --git a/arch/mips/bcm47xx/Kconfig b/arch/mips/bcm47xx/Kconfig
index e970fd9..2947103 100644
--- a/arch/mips/bcm47xx/Kconfig
+++ b/arch/mips/bcm47xx/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if BCM47XX
 
 config BCM47XX_SSB
diff --git a/arch/mips/bcm47xx/bcm47xx_private.h b/arch/mips/bcm47xx/bcm47xx_private.h
index 0367ac7..bb96743 100644
--- a/arch/mips/bcm47xx/bcm47xx_private.h
+++ b/arch/mips/bcm47xx/bcm47xx_private.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef LINUX_BCM47XX_PRIVATE_H_
 #define LINUX_BCM47XX_PRIVATE_H_
 
diff --git a/arch/mips/bcm47xx/board.c b/arch/mips/bcm47xx/board.c
index 8cbe60c..edfaef0 100644
--- a/arch/mips/bcm47xx/board.c
+++ b/arch/mips/bcm47xx/board.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/errno.h>
 #include <linux/export.h>
 #include <linux/string.h>
diff --git a/arch/mips/bcm47xx/buttons.c b/arch/mips/bcm47xx/buttons.c
index 8a760d8..88a8fb2 100644
--- a/arch/mips/bcm47xx/buttons.c
+++ b/arch/mips/bcm47xx/buttons.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "bcm47xx_private.h"
 
 #include <linux/input.h>
diff --git a/arch/mips/bcm47xx/leds.c b/arch/mips/bcm47xx/leds.c
index a35f1d5..d4f2407 100644
--- a/arch/mips/bcm47xx/leds.c
+++ b/arch/mips/bcm47xx/leds.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "bcm47xx_private.h"
 
 #include <linux/leds.h>
diff --git a/arch/mips/bcm47xx/workarounds.c b/arch/mips/bcm47xx/workarounds.c
index e81ce462..1a8a07e 100644
--- a/arch/mips/bcm47xx/workarounds.c
+++ b/arch/mips/bcm47xx/workarounds.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "bcm47xx_private.h"
 
 #include <linux/gpio.h>
diff --git a/arch/mips/bcm63xx/Kconfig b/arch/mips/bcm63xx/Kconfig
index a057fdf1..96ed735 100644
--- a/arch/mips/bcm63xx/Kconfig
+++ b/arch/mips/bcm63xx/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 menu "CPU support"
 	depends on BCM63XX
 
diff --git a/arch/mips/bcm63xx/Makefile b/arch/mips/bcm63xx/Makefile
index 9019f54..c69f297f 100644
--- a/arch/mips/bcm63xx/Makefile
+++ b/arch/mips/bcm63xx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-y		+= clk.o cpu.o cs.o gpio.o irq.o nvram.o prom.o reset.o \
 		   setup.o timer.o dev-dsp.o dev-enet.o dev-flash.o \
 		   dev-pcmcia.o dev-rng.o dev-spi.o dev-hsspi.o dev-uart.o \
diff --git a/arch/mips/bcm63xx/boards/Kconfig b/arch/mips/bcm63xx/boards/Kconfig
index c6aed33..6ff0a74 100644
--- a/arch/mips/bcm63xx/boards/Kconfig
+++ b/arch/mips/bcm63xx/boards/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 choice
 	prompt "Board support"
 	depends on BCM63XX
diff --git a/arch/mips/bmips/Kconfig b/arch/mips/bmips/Kconfig
index 2d60f25..63dfc69 100644
--- a/arch/mips/bmips/Kconfig
+++ b/arch/mips/bmips/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if BMIPS_GENERIC
 
 choice
diff --git a/arch/mips/boot/compressed/dbg.c b/arch/mips/boot/compressed/dbg.c
index 06c6a5b..f6728a8 100644
--- a/arch/mips/boot/compressed/dbg.c
+++ b/arch/mips/boot/compressed/dbg.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * MIPS-specific debug support for pre-boot environment
  *
diff --git a/arch/mips/boot/compressed/string.c b/arch/mips/boot/compressed/string.c
index 9de9885..43beecc 100644
--- a/arch/mips/boot/compressed/string.c
+++ b/arch/mips/boot/compressed/string.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/mips/boot/compressed/string.c
  *
diff --git a/arch/mips/boot/compressed/uart-16550.c b/arch/mips/boot/compressed/uart-16550.c
index f752114..b3043c0 100644
--- a/arch/mips/boot/compressed/uart-16550.c
+++ b/arch/mips/boot/compressed/uart-16550.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * 16550 compatible uart based serial debug support for zboot
  */
diff --git a/arch/mips/boot/compressed/uart-alchemy.c b/arch/mips/boot/compressed/uart-alchemy.c
index 4bee55b9..8ec63011e 100644
--- a/arch/mips/boot/compressed/uart-alchemy.c
+++ b/arch/mips/boot/compressed/uart-alchemy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <asm/mach-au1x00/au1000.h>
 
 void putc(char c)
diff --git a/arch/mips/boot/compressed/uart-prom.c b/arch/mips/boot/compressed/uart-prom.c
index 1c3d51b..d6f0fee 100644
--- a/arch/mips/boot/compressed/uart-prom.c
+++ b/arch/mips/boot/compressed/uart-prom.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 extern void prom_putchar(unsigned char ch);
 
diff --git a/arch/mips/boot/dts/Makefile b/arch/mips/boot/dts/Makefile
index cbac26c..e0a4e93 100644
--- a/arch/mips/boot/dts/Makefile
+++ b/arch/mips/boot/dts/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dts-dirs	+= brcm
 dts-dirs	+= cavium-octeon
 dts-dirs	+= img
diff --git a/arch/mips/boot/dts/brcm/Makefile b/arch/mips/boot/dts/brcm/Makefile
index d61bc2a..9e09cc4 100644
--- a/arch/mips/boot/dts/brcm/Makefile
+++ b/arch/mips/boot/dts/brcm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_DT_BCM93384WVG)		+= bcm93384wvg.dtb
 dtb-$(CONFIG_DT_BCM93384WVG_VIPER)	+= bcm93384wvg_viper.dtb
 dtb-$(CONFIG_DT_BCM96368MVWG)		+= bcm96368mvwg.dtb
diff --git a/arch/mips/boot/dts/brcm/bcm3368-netgear-cvg834g.dts b/arch/mips/boot/dts/brcm/bcm3368-netgear-cvg834g.dts
index 2f2e80f..ed6023a9 100644
--- a/arch/mips/boot/dts/brcm/bcm3368-netgear-cvg834g.dts
+++ b/arch/mips/boot/dts/brcm/bcm3368-netgear-cvg834g.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "bcm3368.dtsi"
diff --git a/arch/mips/boot/dts/brcm/bcm3368.dtsi b/arch/mips/boot/dts/brcm/bcm3368.dtsi
index bee855c..277cde0 100644
--- a/arch/mips/boot/dts/brcm/bcm3368.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm3368.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/brcm/bcm3384_viper.dtsi b/arch/mips/boot/dts/brcm/bcm3384_viper.dtsi
index aa406b4..eb2a9c6 100644
--- a/arch/mips/boot/dts/brcm/bcm3384_viper.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm3384_viper.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/brcm/bcm3384_zephyr.dtsi b/arch/mips/boot/dts/brcm/bcm3384_zephyr.dtsi
index a7bd856..d7ad769 100644
--- a/arch/mips/boot/dts/brcm/bcm3384_zephyr.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm3384_zephyr.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/brcm/bcm63268-comtrend-vr-3032u.dts b/arch/mips/boot/dts/brcm/bcm63268-comtrend-vr-3032u.dts
index 430d35c..2bc0d84 100644
--- a/arch/mips/boot/dts/brcm/bcm63268-comtrend-vr-3032u.dts
+++ b/arch/mips/boot/dts/brcm/bcm63268-comtrend-vr-3032u.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "bcm63268.dtsi"
diff --git a/arch/mips/boot/dts/brcm/bcm63268.dtsi b/arch/mips/boot/dts/brcm/bcm63268.dtsi
index 7e6bf2c..3b09f44 100644
--- a/arch/mips/boot/dts/brcm/bcm63268.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm63268.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/brcm/bcm6328.dtsi b/arch/mips/boot/dts/brcm/bcm6328.dtsi
index 5633b9d..644486f 100644
--- a/arch/mips/boot/dts/brcm/bcm6328.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm6328.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/brcm/bcm6358-neufbox4-sercomm.dts b/arch/mips/boot/dts/brcm/bcm6358-neufbox4-sercomm.dts
index 702eae2..5e62190 100644
--- a/arch/mips/boot/dts/brcm/bcm6358-neufbox4-sercomm.dts
+++ b/arch/mips/boot/dts/brcm/bcm6358-neufbox4-sercomm.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "bcm6358.dtsi"
diff --git a/arch/mips/boot/dts/brcm/bcm6358.dtsi b/arch/mips/boot/dts/brcm/bcm6358.dtsi
index f9d8d392..682df7f 100644
--- a/arch/mips/boot/dts/brcm/bcm6358.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm6358.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/brcm/bcm6362-neufbox6-sercomm.dts b/arch/mips/boot/dts/brcm/bcm6362-neufbox6-sercomm.dts
index 480f2a5..3e83bee 100644
--- a/arch/mips/boot/dts/brcm/bcm6362-neufbox6-sercomm.dts
+++ b/arch/mips/boot/dts/brcm/bcm6362-neufbox6-sercomm.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "bcm6362.dtsi"
diff --git a/arch/mips/boot/dts/brcm/bcm6362.dtsi b/arch/mips/boot/dts/brcm/bcm6362.dtsi
index c507da5..a82a5e5 100644
--- a/arch/mips/boot/dts/brcm/bcm6362.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm6362.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/brcm/bcm6368.dtsi b/arch/mips/boot/dts/brcm/bcm6368.dtsi
index d0e3a70..7a72f59 100644
--- a/arch/mips/boot/dts/brcm/bcm6368.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm6368.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/brcm/bcm7125.dtsi b/arch/mips/boot/dts/brcm/bcm7125.dtsi
index 79f838e..2f9ef56 100644
--- a/arch/mips/boot/dts/brcm/bcm7125.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm7125.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/brcm/bcm7346.dtsi b/arch/mips/boot/dts/brcm/bcm7346.dtsi
index da7bfa4..02e426f 100644
--- a/arch/mips/boot/dts/brcm/bcm7346.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm7346.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/brcm/bcm7358.dtsi b/arch/mips/boot/dts/brcm/bcm7358.dtsi
index 9b05760..1089d6e 100644
--- a/arch/mips/boot/dts/brcm/bcm7358.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm7358.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/brcm/bcm7360.dtsi b/arch/mips/boot/dts/brcm/bcm7360.dtsi
index 57b613c..4b87ebe 100644
--- a/arch/mips/boot/dts/brcm/bcm7360.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm7360.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/brcm/bcm7362.dtsi b/arch/mips/boot/dts/brcm/bcm7362.dtsi
index c2a2843..ca657df 100644
--- a/arch/mips/boot/dts/brcm/bcm7362.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm7362.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/brcm/bcm7420.dtsi b/arch/mips/boot/dts/brcm/bcm7420.dtsi
index 532fc8a..d262e11 100644
--- a/arch/mips/boot/dts/brcm/bcm7420.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm7420.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/brcm/bcm7425.dtsi b/arch/mips/boot/dts/brcm/bcm7425.dtsi
index f56fb25..e4fb9b6 100644
--- a/arch/mips/boot/dts/brcm/bcm7425.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm7425.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/brcm/bcm7435.dtsi b/arch/mips/boot/dts/brcm/bcm7435.dtsi
index f2cead2..1484e89 100644
--- a/arch/mips/boot/dts/brcm/bcm7435.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm7435.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/brcm/bcm93384wvg.dts b/arch/mips/boot/dts/brcm/bcm93384wvg.dts
index d1e44a1..601e4d9 100644
--- a/arch/mips/boot/dts/brcm/bcm93384wvg.dts
+++ b/arch/mips/boot/dts/brcm/bcm93384wvg.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "bcm3384_zephyr.dtsi"
diff --git a/arch/mips/boot/dts/brcm/bcm93384wvg_viper.dts b/arch/mips/boot/dts/brcm/bcm93384wvg_viper.dts
index 1ecb269..938a8e6 100644
--- a/arch/mips/boot/dts/brcm/bcm93384wvg_viper.dts
+++ b/arch/mips/boot/dts/brcm/bcm93384wvg_viper.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "bcm3384_viper.dtsi"
diff --git a/arch/mips/boot/dts/brcm/bcm96368mvwg.dts b/arch/mips/boot/dts/brcm/bcm96368mvwg.dts
index 8c71c68..6d772c3 100644
--- a/arch/mips/boot/dts/brcm/bcm96368mvwg.dts
+++ b/arch/mips/boot/dts/brcm/bcm96368mvwg.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "bcm6368.dtsi"
diff --git a/arch/mips/boot/dts/brcm/bcm97125cbmb.dts b/arch/mips/boot/dts/brcm/bcm97125cbmb.dts
index d72bc42..7f59ea2 100644
--- a/arch/mips/boot/dts/brcm/bcm97125cbmb.dts
+++ b/arch/mips/boot/dts/brcm/bcm97125cbmb.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "bcm7125.dtsi"
diff --git a/arch/mips/boot/dts/brcm/bcm97346dbsmb.dts b/arch/mips/boot/dts/brcm/bcm97346dbsmb.dts
index ea52d7b..9e7d522 100644
--- a/arch/mips/boot/dts/brcm/bcm97346dbsmb.dts
+++ b/arch/mips/boot/dts/brcm/bcm97346dbsmb.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "bcm7346.dtsi"
diff --git a/arch/mips/boot/dts/brcm/bcm97358svmb.dts b/arch/mips/boot/dts/brcm/bcm97358svmb.dts
index 71357fd..708207a 100644
--- a/arch/mips/boot/dts/brcm/bcm97358svmb.dts
+++ b/arch/mips/boot/dts/brcm/bcm97358svmb.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "bcm7358.dtsi"
diff --git a/arch/mips/boot/dts/brcm/bcm97360svmb.dts b/arch/mips/boot/dts/brcm/bcm97360svmb.dts
index e2fed40..73c6dc9 100644
--- a/arch/mips/boot/dts/brcm/bcm97360svmb.dts
+++ b/arch/mips/boot/dts/brcm/bcm97360svmb.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "bcm7360.dtsi"
diff --git a/arch/mips/boot/dts/brcm/bcm97362svmb.dts b/arch/mips/boot/dts/brcm/bcm97362svmb.dts
index 78bffdf..37bacfd 100644
--- a/arch/mips/boot/dts/brcm/bcm97362svmb.dts
+++ b/arch/mips/boot/dts/brcm/bcm97362svmb.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "bcm7362.dtsi"
diff --git a/arch/mips/boot/dts/brcm/bcm97420c.dts b/arch/mips/boot/dts/brcm/bcm97420c.dts
index d62b448..f96241e 100644
--- a/arch/mips/boot/dts/brcm/bcm97420c.dts
+++ b/arch/mips/boot/dts/brcm/bcm97420c.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "bcm7420.dtsi"
diff --git a/arch/mips/boot/dts/brcm/bcm97425svmb.dts b/arch/mips/boot/dts/brcm/bcm97425svmb.dts
index 73aa006..ce762c7 100644
--- a/arch/mips/boot/dts/brcm/bcm97425svmb.dts
+++ b/arch/mips/boot/dts/brcm/bcm97425svmb.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "bcm7425.dtsi"
diff --git a/arch/mips/boot/dts/brcm/bcm97435svmb.dts b/arch/mips/boot/dts/brcm/bcm97435svmb.dts
index 0a915f3..d4dd31a 100644
--- a/arch/mips/boot/dts/brcm/bcm97435svmb.dts
+++ b/arch/mips/boot/dts/brcm/bcm97435svmb.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "bcm7435.dtsi"
diff --git a/arch/mips/boot/dts/brcm/bcm97xxx-nand-cs1-bch24.dtsi b/arch/mips/boot/dts/brcm/bcm97xxx-nand-cs1-bch24.dtsi
index 3c24f97..96c30d8 100644
--- a/arch/mips/boot/dts/brcm/bcm97xxx-nand-cs1-bch24.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm97xxx-nand-cs1-bch24.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 &nand {
 	nandcs@1 {
 		compatible = "brcm,nandcs";
diff --git a/arch/mips/boot/dts/brcm/bcm97xxx-nand-cs1-bch4.dtsi b/arch/mips/boot/dts/brcm/bcm97xxx-nand-cs1-bch4.dtsi
index cb53181..7b5afef 100644
--- a/arch/mips/boot/dts/brcm/bcm97xxx-nand-cs1-bch4.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm97xxx-nand-cs1-bch4.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 &nand {
 	nandcs@1 {
 		compatible = "brcm,nandcs";
diff --git a/arch/mips/boot/dts/brcm/bcm9ejtagprb.dts b/arch/mips/boot/dts/brcm/bcm9ejtagprb.dts
index 1da4608..8d58c19 100644
--- a/arch/mips/boot/dts/brcm/bcm9ejtagprb.dts
+++ b/arch/mips/boot/dts/brcm/bcm9ejtagprb.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "bcm6328.dtsi"
diff --git a/arch/mips/boot/dts/cavium-octeon/Makefile b/arch/mips/boot/dts/cavium-octeon/Makefile
index 5b99c40..35300e0 100644
--- a/arch/mips/boot/dts/cavium-octeon/Makefile
+++ b/arch/mips/boot/dts/cavium-octeon/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_CAVIUM_OCTEON_SOC)	+= octeon_3xxx.dtb octeon_68xx.dtb
 
 obj-y				+= $(patsubst %.dtb, %.dtb.o, $(dtb-y))
diff --git a/arch/mips/boot/dts/cavium-octeon/octeon_3xxx.dts b/arch/mips/boot/dts/cavium-octeon/octeon_3xxx.dts
index ca6b446..0fa3dd1 100644
--- a/arch/mips/boot/dts/cavium-octeon/octeon_3xxx.dts
+++ b/arch/mips/boot/dts/cavium-octeon/octeon_3xxx.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * OCTEON 3XXX, 5XXX, 63XX device tree skeleton.
  *
diff --git a/arch/mips/boot/dts/cavium-octeon/octeon_3xxx.dtsi b/arch/mips/boot/dts/cavium-octeon/octeon_3xxx.dtsi
index 5302148..3c29662 100644
--- a/arch/mips/boot/dts/cavium-octeon/octeon_3xxx.dtsi
+++ b/arch/mips/boot/dts/cavium-octeon/octeon_3xxx.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* OCTEON 3XXX DTS common parts. */
 
 /dts-v1/;
diff --git a/arch/mips/boot/dts/cavium-octeon/octeon_68xx.dts b/arch/mips/boot/dts/cavium-octeon/octeon_68xx.dts
index 79b46fc..3d0acbb 100644
--- a/arch/mips/boot/dts/cavium-octeon/octeon_68xx.dts
+++ b/arch/mips/boot/dts/cavium-octeon/octeon_68xx.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 /*
  * OCTEON 68XX device tree skeleton.
diff --git a/arch/mips/boot/dts/img/Makefile b/arch/mips/boot/dts/img/Makefile
index 3d70958..139bcd8 100644
--- a/arch/mips/boot/dts/img/Makefile
+++ b/arch/mips/boot/dts/img/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_FIT_IMAGE_FDT_BOSTON)	+= boston.dtb
 
 dtb-$(CONFIG_MACH_PISTACHIO)	+= pistachio_marduk.dtb
diff --git a/arch/mips/boot/dts/img/boston.dts b/arch/mips/boot/dts/img/boston.dts
index 53bfa29..2cd49b6 100644
--- a/arch/mips/boot/dts/img/boston.dts
+++ b/arch/mips/boot/dts/img/boston.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/clock/boston-clock.h>
diff --git a/arch/mips/boot/dts/ingenic/Makefile b/arch/mips/boot/dts/ingenic/Makefile
index f2b864f..7798262 100644
--- a/arch/mips/boot/dts/ingenic/Makefile
+++ b/arch/mips/boot/dts/ingenic/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_JZ4740_QI_LB60)	+= qi_lb60.dtb
 dtb-$(CONFIG_JZ4780_CI20)	+= ci20.dtb
 
diff --git a/arch/mips/boot/dts/ingenic/ci20.dts b/arch/mips/boot/dts/ingenic/ci20.dts
index 6c38184..a4cc522 100644
--- a/arch/mips/boot/dts/ingenic/ci20.dts
+++ b/arch/mips/boot/dts/ingenic/ci20.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "jz4780.dtsi"
diff --git a/arch/mips/boot/dts/ingenic/jz4740.dtsi b/arch/mips/boot/dts/ingenic/jz4740.dtsi
index 2ca7ce7..cd5185b 100644
--- a/arch/mips/boot/dts/ingenic/jz4740.dtsi
+++ b/arch/mips/boot/dts/ingenic/jz4740.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dt-bindings/clock/jz4740-cgu.h>
 
 / {
diff --git a/arch/mips/boot/dts/ingenic/jz4780.dtsi b/arch/mips/boot/dts/ingenic/jz4780.dtsi
index e906134..ff3298f 100644
--- a/arch/mips/boot/dts/ingenic/jz4780.dtsi
+++ b/arch/mips/boot/dts/ingenic/jz4780.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dt-bindings/clock/jz4780-cgu.h>
 
 / {
diff --git a/arch/mips/boot/dts/ingenic/qi_lb60.dts b/arch/mips/boot/dts/ingenic/qi_lb60.dts
index b715ee2..76aaf89 100644
--- a/arch/mips/boot/dts/ingenic/qi_lb60.dts
+++ b/arch/mips/boot/dts/ingenic/qi_lb60.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "jz4740.dtsi"
diff --git a/arch/mips/boot/dts/lantiq/Makefile b/arch/mips/boot/dts/lantiq/Makefile
index 0906c62..0c50e32 100644
--- a/arch/mips/boot/dts/lantiq/Makefile
+++ b/arch/mips/boot/dts/lantiq/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_DT_EASY50712)	+= easy50712.dtb
 
 obj-y				+= $(patsubst %.dtb, %.dtb.o, $(dtb-y))
diff --git a/arch/mips/boot/dts/lantiq/danube.dtsi b/arch/mips/boot/dts/lantiq/danube.dtsi
index d4c59e0..2dd9501 100644
--- a/arch/mips/boot/dts/lantiq/danube.dtsi
+++ b/arch/mips/boot/dts/lantiq/danube.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/lantiq/easy50712.dts b/arch/mips/boot/dts/lantiq/easy50712.dts
index b599625..c37a339 100644
--- a/arch/mips/boot/dts/lantiq/easy50712.dts
+++ b/arch/mips/boot/dts/lantiq/easy50712.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "danube.dtsi"
diff --git a/arch/mips/boot/dts/mti/Makefile b/arch/mips/boot/dts/mti/Makefile
index fcabd69..5ee06f7 100644
--- a/arch/mips/boot/dts/mti/Makefile
+++ b/arch/mips/boot/dts/mti/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_MIPS_MALTA)	+= malta.dtb
 dtb-$(CONFIG_LEGACY_BOARD_SEAD3)	+= sead3.dtb
 
diff --git a/arch/mips/boot/dts/mti/malta.dts b/arch/mips/boot/dts/mti/malta.dts
index ffe3a15..9944e71 100644
--- a/arch/mips/boot/dts/mti/malta.dts
+++ b/arch/mips/boot/dts/mti/malta.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/interrupt-controller/irq.h>
diff --git a/arch/mips/boot/dts/mti/sead3.dts b/arch/mips/boot/dts/mti/sead3.dts
index 4f8bc83..192c26f 100644
--- a/arch/mips/boot/dts/mti/sead3.dts
+++ b/arch/mips/boot/dts/mti/sead3.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /memreserve/ 0x00000000 0x00001000;	// reserved
diff --git a/arch/mips/boot/dts/netlogic/Makefile b/arch/mips/boot/dts/netlogic/Makefile
index 9868057..1cb2fdb 100644
--- a/arch/mips/boot/dts/netlogic/Makefile
+++ b/arch/mips/boot/dts/netlogic/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_DT_XLP_EVP)	+= xlp_evp.dtb
 dtb-$(CONFIG_DT_XLP_SVP)	+= xlp_svp.dtb
 dtb-$(CONFIG_DT_XLP_FVP)	+= xlp_fvp.dtb
diff --git a/arch/mips/boot/dts/netlogic/xlp_evp.dts b/arch/mips/boot/dts/netlogic/xlp_evp.dts
index ec16ec2..e63e559 100644
--- a/arch/mips/boot/dts/netlogic/xlp_evp.dts
+++ b/arch/mips/boot/dts/netlogic/xlp_evp.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * XLP8XX Device Tree Source for EVP boards
  */
diff --git a/arch/mips/boot/dts/netlogic/xlp_fvp.dts b/arch/mips/boot/dts/netlogic/xlp_fvp.dts
index 4bcebe6..d05abf1 100644
--- a/arch/mips/boot/dts/netlogic/xlp_fvp.dts
+++ b/arch/mips/boot/dts/netlogic/xlp_fvp.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * XLP2XX Device Tree Source for FVP boards
  */
diff --git a/arch/mips/boot/dts/netlogic/xlp_gvp.dts b/arch/mips/boot/dts/netlogic/xlp_gvp.dts
index b3ccb82..d47de48 100644
--- a/arch/mips/boot/dts/netlogic/xlp_gvp.dts
+++ b/arch/mips/boot/dts/netlogic/xlp_gvp.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * XLP9XX Device Tree Source for GVP boards
  */
diff --git a/arch/mips/boot/dts/netlogic/xlp_rvp.dts b/arch/mips/boot/dts/netlogic/xlp_rvp.dts
index 3783639a..aa0faee 100644
--- a/arch/mips/boot/dts/netlogic/xlp_rvp.dts
+++ b/arch/mips/boot/dts/netlogic/xlp_rvp.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * XLP5XX Device Tree Source for RVP boards
  */
diff --git a/arch/mips/boot/dts/netlogic/xlp_svp.dts b/arch/mips/boot/dts/netlogic/xlp_svp.dts
index 44d6640..3bb0b2e 100644
--- a/arch/mips/boot/dts/netlogic/xlp_svp.dts
+++ b/arch/mips/boot/dts/netlogic/xlp_svp.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * XLP3XX Device Tree Source for SVP boards
  */
diff --git a/arch/mips/boot/dts/pic32/Makefile b/arch/mips/boot/dts/pic32/Makefile
index 7ac7905..a86ddd2 100644
--- a/arch/mips/boot/dts/pic32/Makefile
+++ b/arch/mips/boot/dts/pic32/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_DTB_PIC32_MZDA_SK)		+= pic32mzda_sk.dtb
 
 dtb-$(CONFIG_DTB_PIC32_NONE)		+= \
diff --git a/arch/mips/boot/dts/qca/Makefile b/arch/mips/boot/dts/qca/Makefile
index 63a9ddf..eabd94eb 100644
--- a/arch/mips/boot/dts/qca/Makefile
+++ b/arch/mips/boot/dts/qca/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # All DTBs
 dtb-$(CONFIG_ATH79)			+= ar9132_tl_wr1043nd_v1.dtb
 dtb-$(CONFIG_ATH79)			+= ar9331_dpt_module.dtb
diff --git a/arch/mips/boot/dts/qca/ar9132.dtsi b/arch/mips/boot/dts/qca/ar9132.dtsi
index 302f0a8..1fe561c 100644
--- a/arch/mips/boot/dts/qca/ar9132.dtsi
+++ b/arch/mips/boot/dts/qca/ar9132.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dt-bindings/clock/ath79-clk.h>
 
 / {
diff --git a/arch/mips/boot/dts/qca/ar9132_tl_wr1043nd_v1.dts b/arch/mips/boot/dts/qca/ar9132_tl_wr1043nd_v1.dts
index 3c3b7ce..3931033 100644
--- a/arch/mips/boot/dts/qca/ar9132_tl_wr1043nd_v1.dts
+++ b/arch/mips/boot/dts/qca/ar9132_tl_wr1043nd_v1.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/gpio/gpio.h>
diff --git a/arch/mips/boot/dts/qca/ar9331.dtsi b/arch/mips/boot/dts/qca/ar9331.dtsi
index cf47ed4..efd5f07 100644
--- a/arch/mips/boot/dts/qca/ar9331.dtsi
+++ b/arch/mips/boot/dts/qca/ar9331.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <dt-bindings/clock/ath79-clk.h>
 
 / {
diff --git a/arch/mips/boot/dts/qca/ar9331_dpt_module.dts b/arch/mips/boot/dts/qca/ar9331_dpt_module.dts
index 98e7450..d4e4502 100644
--- a/arch/mips/boot/dts/qca/ar9331_dpt_module.dts
+++ b/arch/mips/boot/dts/qca/ar9331_dpt_module.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/gpio/gpio.h>
diff --git a/arch/mips/boot/dts/qca/ar9331_dragino_ms14.dts b/arch/mips/boot/dts/qca/ar9331_dragino_ms14.dts
index 56f8320..4f95ccf 100644
--- a/arch/mips/boot/dts/qca/ar9331_dragino_ms14.dts
+++ b/arch/mips/boot/dts/qca/ar9331_dragino_ms14.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/gpio/gpio.h>
diff --git a/arch/mips/boot/dts/qca/ar9331_omega.dts b/arch/mips/boot/dts/qca/ar9331_omega.dts
index b2be3b0..f70f79c 100644
--- a/arch/mips/boot/dts/qca/ar9331_omega.dts
+++ b/arch/mips/boot/dts/qca/ar9331_omega.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/gpio/gpio.h>
diff --git a/arch/mips/boot/dts/qca/ar9331_tl_mr3020.dts b/arch/mips/boot/dts/qca/ar9331_tl_mr3020.dts
index 919cf3b..748131a 100644
--- a/arch/mips/boot/dts/qca/ar9331_tl_mr3020.dts
+++ b/arch/mips/boot/dts/qca/ar9331_tl_mr3020.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/gpio/gpio.h>
diff --git a/arch/mips/boot/dts/ralink/Makefile b/arch/mips/boot/dts/ralink/Makefile
index 55e2937..a80eeee 100644
--- a/arch/mips/boot/dts/ralink/Makefile
+++ b/arch/mips/boot/dts/ralink/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_DTB_RT2880_EVAL)	+= rt2880_eval.dtb
 dtb-$(CONFIG_DTB_RT305X_EVAL)	+= rt3052_eval.dtb
 dtb-$(CONFIG_DTB_RT3883_EVAL)	+= rt3883_eval.dtb
diff --git a/arch/mips/boot/dts/ralink/mt7620a.dtsi b/arch/mips/boot/dts/ralink/mt7620a.dtsi
index 793c0c7..1f6e532 100644
--- a/arch/mips/boot/dts/ralink/mt7620a.dtsi
+++ b/arch/mips/boot/dts/ralink/mt7620a.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/ralink/mt7620a_eval.dts b/arch/mips/boot/dts/ralink/mt7620a_eval.dts
index 709f581..8de8f89 100644
--- a/arch/mips/boot/dts/ralink/mt7620a_eval.dts
+++ b/arch/mips/boot/dts/ralink/mt7620a_eval.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "mt7620a.dtsi"
diff --git a/arch/mips/boot/dts/ralink/rt2880.dtsi b/arch/mips/boot/dts/ralink/rt2880.dtsi
index fb2faef..8fc1987 100644
--- a/arch/mips/boot/dts/ralink/rt2880.dtsi
+++ b/arch/mips/boot/dts/ralink/rt2880.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/ralink/rt2880_eval.dts b/arch/mips/boot/dts/ralink/rt2880_eval.dts
index 0a685db..759bc1d 100644
--- a/arch/mips/boot/dts/ralink/rt2880_eval.dts
+++ b/arch/mips/boot/dts/ralink/rt2880_eval.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "rt2880.dtsi"
diff --git a/arch/mips/boot/dts/ralink/rt3050.dtsi b/arch/mips/boot/dts/ralink/rt3050.dtsi
index d3cb57f..2306233 100644
--- a/arch/mips/boot/dts/ralink/rt3050.dtsi
+++ b/arch/mips/boot/dts/ralink/rt3050.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/ralink/rt3052_eval.dts b/arch/mips/boot/dts/ralink/rt3052_eval.dts
index ec9e9a0..674efdd 100644
--- a/arch/mips/boot/dts/ralink/rt3052_eval.dts
+++ b/arch/mips/boot/dts/ralink/rt3052_eval.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "rt3050.dtsi"
diff --git a/arch/mips/boot/dts/ralink/rt3883.dtsi b/arch/mips/boot/dts/ralink/rt3883.dtsi
index 3d6fc9a..61132cf 100644
--- a/arch/mips/boot/dts/ralink/rt3883.dtsi
+++ b/arch/mips/boot/dts/ralink/rt3883.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/ralink/rt3883_eval.dts b/arch/mips/boot/dts/ralink/rt3883_eval.dts
index e8df21a..c22bc84 100644
--- a/arch/mips/boot/dts/ralink/rt3883_eval.dts
+++ b/arch/mips/boot/dts/ralink/rt3883_eval.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 /include/ "rt3883.dtsi"
diff --git a/arch/mips/boot/dts/xilfpga/Makefile b/arch/mips/boot/dts/xilfpga/Makefile
index 913a752a..498ac08 100644
--- a/arch/mips/boot/dts/xilfpga/Makefile
+++ b/arch/mips/boot/dts/xilfpga/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_XILFPGA_NEXYS4DDR)	+= nexys4ddr.dtb
 
 obj-y				+= $(patsubst %.dtb, %.dtb.o, $(dtb-y))
diff --git a/arch/mips/boot/dts/xilfpga/microAptiv.dtsi b/arch/mips/boot/dts/xilfpga/microAptiv.dtsi
index 81d518e..87b2b1f 100644
--- a/arch/mips/boot/dts/xilfpga/microAptiv.dtsi
+++ b/arch/mips/boot/dts/xilfpga/microAptiv.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
diff --git a/arch/mips/boot/dts/xilfpga/nexys4ddr.dts b/arch/mips/boot/dts/xilfpga/nexys4ddr.dts
index 09a62f2..41fee03 100644
--- a/arch/mips/boot/dts/xilfpga/nexys4ddr.dts
+++ b/arch/mips/boot/dts/xilfpga/nexys4ddr.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include "microAptiv.dtsi"
diff --git a/arch/mips/boot/ecoff.h b/arch/mips/boot/ecoff.h
index 7a75ce2..b3e73c2 100644
--- a/arch/mips/boot/ecoff.h
+++ b/arch/mips/boot/ecoff.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Some ECOFF definitions.
  */
diff --git a/arch/mips/boot/tools/Makefile b/arch/mips/boot/tools/Makefile
index d232a68..5f8e737 100644
--- a/arch/mips/boot/tools/Makefile
+++ b/arch/mips/boot/tools/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 
 hostprogs-y	+= relocs
 relocs-objs	+= relocs_32.o
diff --git a/arch/mips/boot/tools/relocs.c b/arch/mips/boot/tools/relocs.c
index b9cbf78..1bf53f3 100644
--- a/arch/mips/boot/tools/relocs.c
+++ b/arch/mips/boot/tools/relocs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /* This is included from relocs_32/64.c */
 
 #define ElfW(type)		_ElfW(ELF_BITS, type)
diff --git a/arch/mips/boot/tools/relocs.h b/arch/mips/boot/tools/relocs.h
index 3cf676f..607ff01 100644
--- a/arch/mips/boot/tools/relocs.h
+++ b/arch/mips/boot/tools/relocs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef RELOCS_H
 #define RELOCS_H
 
diff --git a/arch/mips/boot/tools/relocs_32.c b/arch/mips/boot/tools/relocs_32.c
index 915bdc0..428bea4 100644
--- a/arch/mips/boot/tools/relocs_32.c
+++ b/arch/mips/boot/tools/relocs_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "relocs.h"
 
 #define ELF_BITS 32
diff --git a/arch/mips/boot/tools/relocs_64.c b/arch/mips/boot/tools/relocs_64.c
index 06066e6a..154015d 100644
--- a/arch/mips/boot/tools/relocs_64.c
+++ b/arch/mips/boot/tools/relocs_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include "relocs.h"
 
 #define ELF_BITS 64
diff --git a/arch/mips/boot/tools/relocs_main.c b/arch/mips/boot/tools/relocs_main.c
index d8fe234..e2453a5 100644
--- a/arch/mips/boot/tools/relocs_main.c
+++ b/arch/mips/boot/tools/relocs_main.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #include <stdio.h>
 #include <stdint.h>
diff --git a/arch/mips/cavium-octeon/Kconfig b/arch/mips/cavium-octeon/Kconfig
index 5c0b562..204a167 100644
--- a/arch/mips/cavium-octeon/Kconfig
+++ b/arch/mips/cavium-octeon/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if CPU_CAVIUM_OCTEON
 
 config CAVIUM_CN63XXP1
diff --git a/arch/mips/cavium-octeon/crypto/Makefile b/arch/mips/cavium-octeon/crypto/Makefile
index f7aa9d5..db26c73 100644
--- a/arch/mips/cavium-octeon/crypto/Makefile
+++ b/arch/mips/cavium-octeon/crypto/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # OCTEON-specific crypto modules.
 #
diff --git a/arch/mips/dec/int-handler.S b/arch/mips/dec/int-handler.S
index cea2bb1..a25ef82 100644
--- a/arch/mips/dec/int-handler.S
+++ b/arch/mips/dec/int-handler.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 1995, 1996, 1997 Paul M. Antoine and Harald Koerfgen
  * Copyright (C) 2000, 2001, 2002, 2003, 2005  Maciej W. Rozycki
diff --git a/arch/mips/dec/prom/cmdline.c b/arch/mips/dec/prom/cmdline.c
index c3490be..3ed6328 100644
--- a/arch/mips/dec/prom/cmdline.c
+++ b/arch/mips/dec/prom/cmdline.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * cmdline.c: read the command line passed to us by the PROM.
  *
diff --git a/arch/mips/dec/prom/dectypes.h b/arch/mips/dec/prom/dectypes.h
index 69ea5b9..9fcbcc7 100644
--- a/arch/mips/dec/prom/dectypes.h
+++ b/arch/mips/dec/prom/dectypes.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef DECTYPES
 #define DECTYPES
 
diff --git a/arch/mips/dec/prom/identify.c b/arch/mips/dec/prom/identify.c
index 0c14a9d..80cd14c 100644
--- a/arch/mips/dec/prom/identify.c
+++ b/arch/mips/dec/prom/identify.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * identify.c: machine identification code.
  *
diff --git a/arch/mips/dec/prom/init.c b/arch/mips/dec/prom/init.c
index d88eb7a6..cc988bb 100644
--- a/arch/mips/dec/prom/init.c
+++ b/arch/mips/dec/prom/init.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * init.c: PROM library initialisation code.
  *
diff --git a/arch/mips/dec/prom/locore.S b/arch/mips/dec/prom/locore.S
index f72b574..0eb8fab 100644
--- a/arch/mips/dec/prom/locore.S
+++ b/arch/mips/dec/prom/locore.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * locore.S
  */
diff --git a/arch/mips/dec/prom/memory.c b/arch/mips/dec/prom/memory.c
index 8c62316..a2acc64 100644
--- a/arch/mips/dec/prom/memory.c
+++ b/arch/mips/dec/prom/memory.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * memory.c: memory initialisation code.
  *
diff --git a/arch/mips/dec/reset.c b/arch/mips/dec/reset.c
index c15a879..3df01f1 100644
--- a/arch/mips/dec/reset.c
+++ b/arch/mips/dec/reset.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Reset a DECstation machine.
  *
diff --git a/arch/mips/dec/time.c b/arch/mips/dec/time.c
index 1914e56..a2a150e 100644
--- a/arch/mips/dec/time.c
+++ b/arch/mips/dec/time.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Copyright (C) 1991, 1992, 1995  Linus Torvalds
  *  Copyright (C) 2000, 2003  Maciej W. Rozycki
diff --git a/arch/mips/fw/arc/Makefile b/arch/mips/fw/arc/Makefile
index 4f349ec..31dd730 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 bc32fe6..769d4b9 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 0d75b5a..dd9496f 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 9b56895..2d99f44 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.
diff --git a/arch/mips/generic/Kconfig b/arch/mips/generic/Kconfig
index e0436aa..0b67c46 100644
--- a/arch/mips/generic/Kconfig
+++ b/arch/mips/generic/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if MIPS_GENERIC
 
 config LEGACY_BOARDS
diff --git a/arch/mips/generic/vmlinux.its.S b/arch/mips/generic/vmlinux.its.S
index f67fbf1..1a08438 100644
--- a/arch/mips/generic/vmlinux.its.S
+++ b/arch/mips/generic/vmlinux.its.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /dts-v1/;
 
 / {
diff --git a/arch/mips/include/asm/asm-prototypes.h b/arch/mips/include/asm/asm-prototypes.h
index 6e28971..d60b57f 100644
--- a/arch/mips/include/asm/asm-prototypes.h
+++ b/arch/mips/include/asm/asm-prototypes.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm/checksum.h>
 #include <asm/page.h>
 #include <asm/fpu.h>
diff --git a/arch/mips/include/asm/asmmacro-32.h b/arch/mips/include/asm/asmmacro-32.h
index 0ef39ad..1c08c1f 100644
--- a/arch/mips/include/asm/asmmacro-32.h
+++ b/arch/mips/include/asm/asmmacro-32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * asmmacro.h: Assembler macros to make things easier to read.
  *
diff --git a/arch/mips/include/asm/asmmacro-64.h b/arch/mips/include/asm/asmmacro-64.h
index 38ea609..68039de 100644
--- a/arch/mips/include/asm/asmmacro-64.h
+++ b/arch/mips/include/asm/asmmacro-64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * asmmacro.h: Assembler macros to make things easier to read.
  *
diff --git a/arch/mips/include/asm/bitrev.h b/arch/mips/include/asm/bitrev.h
index bc739a4..8a2538e 100644
--- a/arch/mips/include/asm/bitrev.h
+++ b/arch/mips/include/asm/bitrev.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MIPS_ASM_BITREV_H__
 #define __MIPS_ASM_BITREV_H__
 
diff --git a/arch/mips/include/asm/bmips-spaces.h b/arch/mips/include/asm/bmips-spaces.h
index eb96541a..febc4c3 100644
--- a/arch/mips/include/asm/bmips-spaces.h
+++ b/arch/mips/include/asm/bmips-spaces.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_BMIPS_SPACES_H
 #define __ASM_BMIPS_SPACES_H
 
diff --git a/arch/mips/include/asm/bug.h b/arch/mips/include/asm/bug.h
index 540c98a..745dc16 100644
--- a/arch/mips/include/asm/bug.h
+++ b/arch/mips/include/asm/bug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_BUG_H
 #define __ASM_BUG_H
 
diff --git a/arch/mips/include/asm/bugs.h b/arch/mips/include/asm/bugs.h
index b160a70..d8ab8b7 100644
--- a/arch/mips/include/asm/bugs.h
+++ b/arch/mips/include/asm/bugs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This is included by init/main.c to check for architecture-dependent bugs.
  *
diff --git a/arch/mips/include/asm/clock.h b/arch/mips/include/asm/clock.h
index 4809c29..5a8f96e 100644
--- a/arch/mips/include/asm/clock.h
+++ b/arch/mips/include/asm/clock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MIPS_CLOCK_H
 #define __ASM_MIPS_CLOCK_H
 
diff --git a/arch/mips/include/asm/cmp.h b/arch/mips/include/asm/cmp.h
index 033d973..e9e8750 100644
--- a/arch/mips/include/asm/cmp.h
+++ b/arch/mips/include/asm/cmp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_CMP_H
 #define _ASM_CMP_H
 
diff --git a/arch/mips/include/asm/compat-signal.h b/arch/mips/include/asm/compat-signal.h
index 4c61764..e87cd24 100644
--- a/arch/mips/include/asm/compat-signal.h
+++ b/arch/mips/include/asm/compat-signal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_COMPAT_SIGNAL_H
 #define __ASM_COMPAT_SIGNAL_H
 
diff --git a/arch/mips/include/asm/compat.h b/arch/mips/include/asm/compat.h
index a958009..8e2b5b5 100644
--- a/arch/mips/include/asm/compat.h
+++ b/arch/mips/include/asm/compat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_COMPAT_H
 #define _ASM_COMPAT_H
 /*
diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h
index ece9b84..d39324c 100644
--- a/arch/mips/include/asm/cpu.h
+++ b/arch/mips/include/asm/cpu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * cpu.h: Values of the PRId register used to match up
  *	  various MIPS cpu types.
diff --git a/arch/mips/include/asm/dma-mapping.h b/arch/mips/include/asm/dma-mapping.h
index aba7138..42f8cba 100644
--- a/arch/mips/include/asm/dma-mapping.h
+++ b/arch/mips/include/asm/dma-mapping.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_DMA_MAPPING_H
 #define _ASM_DMA_MAPPING_H
 
diff --git a/arch/mips/include/asm/dma.h b/arch/mips/include/asm/dma.h
index 5b9ed1bf..be726b9 100644
--- a/arch/mips/include/asm/dma.h
+++ b/arch/mips/include/asm/dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * linux/include/asm/dma.h: Defines for using and allocating dma channels.
  * Written by Hennus Bergman, 1992.
diff --git a/arch/mips/include/asm/edac.h b/arch/mips/include/asm/edac.h
index 980b165..fc46776 100644
--- a/arch/mips/include/asm/edac.h
+++ b/arch/mips/include/asm/edac.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef ASM_EDAC_H
 #define ASM_EDAC_H
 
diff --git a/arch/mips/include/asm/extable.h b/arch/mips/include/asm/extable.h
index dce7a62..78d0ae1 100644
--- a/arch/mips/include/asm/extable.h
+++ b/arch/mips/include/asm/extable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_EXTABLE_H
 #define _ASM_EXTABLE_H
 
diff --git a/arch/mips/include/asm/fw/arc/hinv.h b/arch/mips/include/asm/fw/arc/hinv.h
index 9fac64a..d67b6a9 100644
--- a/arch/mips/include/asm/fw/arc/hinv.h
+++ b/arch/mips/include/asm/fw/arc/hinv.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * ARCS hardware/memory inventory/configuration and system ID definitions.
  */
diff --git a/arch/mips/include/asm/gio_device.h b/arch/mips/include/asm/gio_device.h
index 71a986e..c52948f 100644
--- a/arch/mips/include/asm/gio_device.h
+++ b/arch/mips/include/asm/gio_device.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/device.h>
 #include <linux/mod_devicetable.h>
 
diff --git a/arch/mips/include/asm/highmem.h b/arch/mips/include/asm/highmem.h
index 279b6d1..9d84aaf 100644
--- a/arch/mips/include/asm/highmem.h
+++ b/arch/mips/include/asm/highmem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * highmem.h: virtual kernel memory mappings for high memory
  *
diff --git a/arch/mips/include/asm/hpet.h b/arch/mips/include/asm/hpet.h
index 18a8f77..d47268e 100644
--- a/arch/mips/include/asm/hpet.h
+++ b/arch/mips/include/asm/hpet.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_HPET_H
 #define _ASM_HPET_H
 
diff --git a/arch/mips/include/asm/idle.h b/arch/mips/include/asm/idle.h
index a2d18ab..655a6db 100644
--- a/arch/mips/include/asm/idle.h
+++ b/arch/mips/include/asm/idle.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_IDLE_H
 #define __ASM_IDLE_H
 
diff --git a/arch/mips/include/asm/isadep.h b/arch/mips/include/asm/isadep.h
index b4af6eb..d168320 100644
--- a/arch/mips/include/asm/isadep.h
+++ b/arch/mips/include/asm/isadep.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Various ISA level dependent constants.
  * Most of the following constants reflect the different layout
diff --git a/arch/mips/include/asm/jazzdma.h b/arch/mips/include/asm/jazzdma.h
index 2cefc3c..d913439 100644
--- a/arch/mips/include/asm/jazzdma.h
+++ b/arch/mips/include/asm/jazzdma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Helpfile for jazzdma.c -- Mips Jazz R4030 DMA controller support
  */
diff --git a/arch/mips/include/asm/kdebug.h b/arch/mips/include/asm/kdebug.h
index 8e3d08e..a55a207 100644
--- a/arch/mips/include/asm/kdebug.h
+++ b/arch/mips/include/asm/kdebug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_MIPS_KDEBUG_H
 #define _ASM_MIPS_KDEBUG_H
 
diff --git a/arch/mips/include/asm/kgdb.h b/arch/mips/include/asm/kgdb.h
index 69dc0df..4f23022 100644
--- a/arch/mips/include/asm/kgdb.h
+++ b/arch/mips/include/asm/kgdb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_KGDB_H_
 #define __ASM_KGDB_H_
 
diff --git a/arch/mips/include/asm/kmap_types.h b/arch/mips/include/asm/kmap_types.h
index c1909dc..16665dc2 100644
--- a/arch/mips/include/asm/kmap_types.h
+++ b/arch/mips/include/asm/kmap_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_KMAP_TYPES_H
 #define _ASM_KMAP_TYPES_H
 
diff --git a/arch/mips/include/asm/kvm_para.h b/arch/mips/include/asm/kvm_para.h
index 5a9aa91..60b1aa0 100644
--- a/arch/mips/include/asm/kvm_para.h
+++ b/arch/mips/include/asm/kvm_para.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_MIPS_KVM_PARA_H
 #define _ASM_MIPS_KVM_PARA_H
 
diff --git a/arch/mips/include/asm/lasat/ds1603.h b/arch/mips/include/asm/lasat/ds1603.h
index edcd754..ab833be 100644
--- a/arch/mips/include/asm/lasat/ds1603.h
+++ b/arch/mips/include/asm/lasat/ds1603.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm/addrspace.h>
 
 /* Lasat 100	*/
diff --git a/arch/mips/include/asm/lasat/eeprom.h b/arch/mips/include/asm/lasat/eeprom.h
index d918b82..24001a5 100644
--- a/arch/mips/include/asm/lasat/eeprom.h
+++ b/arch/mips/include/asm/lasat/eeprom.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm/addrspace.h>
 
 /* lasat 100 */
diff --git a/arch/mips/include/asm/lasat/head.h b/arch/mips/include/asm/lasat/head.h
index f5589f3..20b0ece 100644
--- a/arch/mips/include/asm/lasat/head.h
+++ b/arch/mips/include/asm/lasat/head.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Image header stuff
  */
diff --git a/arch/mips/include/asm/lasat/lasatint.h b/arch/mips/include/asm/lasat/lasatint.h
index e0d2458..b2b346e 100644
--- a/arch/mips/include/asm/lasat/lasatint.h
+++ b/arch/mips/include/asm/lasat/lasatint.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_LASAT_LASATINT_H
 #define __ASM_LASAT_LASATINT_H
 
diff --git a/arch/mips/include/asm/lasat/picvue.h b/arch/mips/include/asm/lasat/picvue.h
index 42a492e..99987c5a 100644
--- a/arch/mips/include/asm/lasat/picvue.h
+++ b/arch/mips/include/asm/lasat/picvue.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* Lasat 100 */
 #define PVC_REG_100		KSEG1ADDR(0x1c820000)
 #define PVC_DATA_SHIFT_100	0
diff --git a/arch/mips/include/asm/lasat/serial.h b/arch/mips/include/asm/lasat/serial.h
index a2f6c7a..7b43d74 100644
--- a/arch/mips/include/asm/lasat/serial.h
+++ b/arch/mips/include/asm/lasat/serial.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm/lasat/lasat.h>
 
 /* Lasat 100 boards serial configuration */
diff --git a/arch/mips/include/asm/linkage.h b/arch/mips/include/asm/linkage.h
index 99651b0..1829c2b 100644
--- a/arch/mips/include/asm/linkage.h
+++ b/arch/mips/include/asm/linkage.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_LINKAGE_H
 #define __ASM_LINKAGE_H
 
diff --git a/arch/mips/include/asm/local.h b/arch/mips/include/asm/local.h
index 8feaed6..ac8264e 100644
--- a/arch/mips/include/asm/local.h
+++ b/arch/mips/include/asm/local.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ARCH_MIPS_LOCAL_H
 #define _ARCH_MIPS_LOCAL_H
 
diff --git a/arch/mips/include/asm/m48t37.h b/arch/mips/include/asm/m48t37.h
index e6eaf53..3687a02 100644
--- a/arch/mips/include/asm/m48t37.h
+++ b/arch/mips/include/asm/m48t37.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  Registers for the SGS-Thomson M48T37 Timekeeper RAM chip
  */
diff --git a/arch/mips/include/asm/mach-ath25/ath25_platform.h b/arch/mips/include/asm/mach-ath25/ath25_platform.h
index 4f4ee4f..0aacc55 100644
--- a/arch/mips/include/asm/mach-ath25/ath25_platform.h
+++ b/arch/mips/include/asm/mach-ath25/ath25_platform.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_ATH25_PLATFORM_H
 #define __ASM_MACH_ATH25_PLATFORM_H
 
diff --git a/arch/mips/include/asm/mach-au1x00/au1200fb.h b/arch/mips/include/asm/mach-au1x00/au1200fb.h
index b3c87cc..e0e98f0 100644
--- a/arch/mips/include/asm/mach-au1x00/au1200fb.h
+++ b/arch/mips/include/asm/mach-au1x00/au1200fb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * platform data for au1200fb driver.
  */
diff --git a/arch/mips/include/asm/mach-au1x00/au1550_spi.h b/arch/mips/include/asm/mach-au1x00/au1550_spi.h
index 08e1958..fe6ca46 100644
--- a/arch/mips/include/asm/mach-au1x00/au1550_spi.h
+++ b/arch/mips/include/asm/mach-au1x00/au1550_spi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * au1550_spi.h - Au1550 PSC SPI controller driver - platform data structure
  */
diff --git a/arch/mips/include/asm/mach-au1x00/au1550nd.h b/arch/mips/include/asm/mach-au1x00/au1550nd.h
index ad4c0a0..d26dc1d 100644
--- a/arch/mips/include/asm/mach-au1x00/au1550nd.h
+++ b/arch/mips/include/asm/mach-au1x00/au1550nd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * platform data for the Au1550 NAND driver
  */
diff --git a/arch/mips/include/asm/mach-au1x00/au1xxx_eth.h b/arch/mips/include/asm/mach-au1x00/au1xxx_eth.h
index 49dc8d9..9d1c8d5 100644
--- a/arch/mips/include/asm/mach-au1x00/au1xxx_eth.h
+++ b/arch/mips/include/asm/mach-au1x00/au1xxx_eth.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __AU1X00_ETH_DATA_H
 #define __AU1X00_ETH_DATA_H
 
diff --git a/arch/mips/include/asm/mach-au1x00/gpio-au1300.h b/arch/mips/include/asm/mach-au1x00/gpio-au1300.h
index d607d64..d25846a 100644
--- a/arch/mips/include/asm/mach-au1x00/gpio-au1300.h
+++ b/arch/mips/include/asm/mach-au1x00/gpio-au1300.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * gpio-au1300.h -- GPIO control for Au1300 GPIC and compatibles.
  *
diff --git a/arch/mips/include/asm/mach-au1x00/prom.h b/arch/mips/include/asm/mach-au1x00/prom.h
index 4c0e09c..c62ee02 100644
--- a/arch/mips/include/asm/mach-au1x00/prom.h
+++ b/arch/mips/include/asm/mach-au1x00/prom.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __AU1X00_PROM_H
 #define __AU1X00_PROM_H
 
diff --git a/arch/mips/include/asm/mach-bcm47xx/bcm47xx_board.h b/arch/mips/include/asm/mach-bcm47xx/bcm47xx_board.h
index ee3d4fe..cbf9da7 100644
--- a/arch/mips/include/asm/mach-bcm47xx/bcm47xx_board.h
+++ b/arch/mips/include/asm/mach-bcm47xx/bcm47xx_board.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __BCM47XX_BOARD_H
 #define __BCM47XX_BOARD_H
 
diff --git a/arch/mips/include/asm/mach-bcm47xx/cpu-feature-overrides.h b/arch/mips/include/asm/mach-bcm47xx/cpu-feature-overrides.h
index b7992cd..b23ff47 100644
--- a/arch/mips/include/asm/mach-bcm47xx/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-bcm47xx/cpu-feature-overrides.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_BCM47XX_CPU_FEATURE_OVERRIDES_H
 #define __ASM_MACH_BCM47XX_CPU_FEATURE_OVERRIDES_H
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_board.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_board.h
index fa3e7e6..1d19a72 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_board.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_board.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_BOARD_H_
 #define BCM63XX_BOARD_H_
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
index 56bb192..1cad18e 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_CPU_H_
 #define BCM63XX_CPU_H_
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cs.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cs.h
index b1821c8..1c634d7 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cs.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_CS_H
 #define BCM63XX_CS_H
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_dsp.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_dsp.h
index b587d45..4e49707 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_dsp.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_dsp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __BCM63XX_DSP_H
 #define __BCM63XX_DSP_H
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h
index c4e856f..c0bd474 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_DEV_ENET_H_
 #define BCM63XX_DEV_ENET_H_
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_flash.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_flash.h
index 354b848..4d5005f 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_flash.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_flash.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __BCM63XX_FLASH_H
 #define __BCM63XX_FLASH_H
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_hsspi.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_hsspi.h
index 1b1acaf..f93f176 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_hsspi.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_hsspi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_DEV_HSSPI_H
 #define BCM63XX_DEV_HSSPI_H
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_pci.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_pci.h
index c549344..1951c12 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_pci.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_DEV_PCI_H_
 #define BCM63XX_DEV_PCI_H_
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_pcmcia.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_pcmcia.h
index 2beb3969..01674ac 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_pcmcia.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_pcmcia.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_DEV_PCMCIA_H_
 #define BCM63XX_DEV_PCMCIA_H_
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h
index dd29954..0ab7505 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_DEV_SPI_H
 #define BCM63XX_DEV_SPI_H
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_uart.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_uart.h
index 23c705b..88f8cf1 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_uart.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_uart.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_DEV_UART_H_
 #define BCM63XX_DEV_UART_H_
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_usb_usbd.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_usb_usbd.h
index 5d6d698..3f920ba 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_usb_usbd.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_usb_usbd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_DEV_USB_USBD_H_
 #define BCM63XX_DEV_USB_USBD_H_
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h
index 565ff36..8fe88c2 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_GPIO_H
 #define BCM63XX_GPIO_H
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_io.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_io.h
index 7033144..31c6924 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_io.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_io.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_IO_H_
 #define BCM63XX_IO_H_
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_irq.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_irq.h
index 0c3074b8..7887bc6 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_irq.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_IRQ_H_
 #define BCM63XX_IRQ_H_
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_iudma.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_iudma.h
index 1e89df7..73df916 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_iudma.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_iudma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_IUDMA_H_
 #define BCM63XX_IUDMA_H_
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_nvram.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_nvram.h
index 348df49..f78d725 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_nvram.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_nvram.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_NVRAM_H
 #define BCM63XX_NVRAM_H
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
index 24080af..bc3444c 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_REGS_H_
 #define BCM63XX_REGS_H_
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_reset.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_reset.h
index 3a6eb9c..2c0645b 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_reset.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_reset.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __BCM63XX_RESET_H
 #define __BCM63XX_RESET_H
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_timer.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_timer.h
index c0fce83..bcbece7 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_timer.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_timer.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_TIMER_H_
 #define BCM63XX_TIMER_H_
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h b/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
index b86a0ef..5e5b1bc 100644
--- a/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
+++ b/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BOARD_BCM963XX_H_
 #define BOARD_BCM963XX_H_
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/cpu-feature-overrides.h b/arch/mips/include/asm/mach-bcm63xx/cpu-feature-overrides.h
index b56cf10..0ebecbd 100644
--- a/arch/mips/include/asm/mach-bcm63xx/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-bcm63xx/cpu-feature-overrides.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_BCM963XX_CPU_FEATURE_OVERRIDES_H
 #define __ASM_MACH_BCM963XX_CPU_FEATURE_OVERRIDES_H
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/ioremap.h b/arch/mips/include/asm/mach-bcm63xx/ioremap.h
index aea6e64..8cd261e 100644
--- a/arch/mips/include/asm/mach-bcm63xx/ioremap.h
+++ b/arch/mips/include/asm/mach-bcm63xx/ioremap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef BCM63XX_IOREMAP_H_
 #define BCM63XX_IOREMAP_H_
 
diff --git a/arch/mips/include/asm/mach-bcm63xx/irq.h b/arch/mips/include/asm/mach-bcm63xx/irq.h
index 2bbfc8d..b016f06 100644
--- a/arch/mips/include/asm/mach-bcm63xx/irq.h
+++ b/arch/mips/include/asm/mach-bcm63xx/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_BCM63XX_IRQ_H
 #define __ASM_MACH_BCM63XX_IRQ_H
 
diff --git a/arch/mips/include/asm/mach-bmips/cpu-feature-overrides.h b/arch/mips/include/asm/mach-bmips/cpu-feature-overrides.h
index fa0583e..68a219d 100644
--- a/arch/mips/include/asm/mach-bmips/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-bmips/cpu-feature-overrides.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_BMIPS_CPU_FEATURE_OVERRIDES_H
 #define __ASM_MACH_BMIPS_CPU_FEATURE_OVERRIDES_H
 
diff --git a/arch/mips/include/asm/mach-bmips/ioremap.h b/arch/mips/include/asm/mach-bmips/ioremap.h
index 29c7a7b..52632eb 100644
--- a/arch/mips/include/asm/mach-bmips/ioremap.h
+++ b/arch/mips/include/asm/mach-bmips/ioremap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_BMIPS_IOREMAP_H
 #define __ASM_MACH_BMIPS_IOREMAP_H
 
diff --git a/arch/mips/include/asm/mach-db1x00/bcsr.h b/arch/mips/include/asm/mach-db1x00/bcsr.h
index 3c3ed4a..4a27738 100644
--- a/arch/mips/include/asm/mach-db1x00/bcsr.h
+++ b/arch/mips/include/asm/mach-db1x00/bcsr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * bcsr.h -- Db1xxx/Pb1xxx Devboard CPLD registers ("BCSR") abstraction.
  *
diff --git a/arch/mips/include/asm/mach-generic/kmalloc.h b/arch/mips/include/asm/mach-generic/kmalloc.h
index a5d6690..74207c7 100644
--- a/arch/mips/include/asm/mach-generic/kmalloc.h
+++ b/arch/mips/include/asm/mach-generic/kmalloc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_GENERIC_KMALLOC_H
 #define __ASM_MACH_GENERIC_KMALLOC_H
 
diff --git a/arch/mips/include/asm/mach-ip27/mmzone.h b/arch/mips/include/asm/mach-ip27/mmzone.h
index ebc9377..2ed3094 100644
--- a/arch/mips/include/asm/mach-ip27/mmzone.h
+++ b/arch/mips/include/asm/mach-ip27/mmzone.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_MACH_MMZONE_H
 #define _ASM_MACH_MMZONE_H
 
diff --git a/arch/mips/include/asm/mach-ip27/topology.h b/arch/mips/include/asm/mach-ip27/topology.h
index 3fb7a0e..42ea131 100644
--- a/arch/mips/include/asm/mach-ip27/topology.h
+++ b/arch/mips/include/asm/mach-ip27/topology.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_MACH_TOPOLOGY_H
 #define _ASM_MACH_TOPOLOGY_H	1
 
diff --git a/arch/mips/include/asm/mach-ip32/kmalloc.h b/arch/mips/include/asm/mach-ip32/kmalloc.h
index 042ca92..07a0146 100644
--- a/arch/mips/include/asm/mach-ip32/kmalloc.h
+++ b/arch/mips/include/asm/mach-ip32/kmalloc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_IP32_KMALLOC_H
 #define __ASM_MACH_IP32_KMALLOC_H
 
diff --git a/arch/mips/include/asm/mach-jz4740/base.h b/arch/mips/include/asm/mach-jz4740/base.h
index f373186..96b2d66 100644
--- a/arch/mips/include/asm/mach-jz4740/base.h
+++ b/arch/mips/include/asm/mach-jz4740/base.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_JZ4740_BASE_H__
 #define __ASM_MACH_JZ4740_BASE_H__
 
diff --git a/arch/mips/include/asm/mach-jz4740/jz4740_mmc.h b/arch/mips/include/asm/mach-jz4740/jz4740_mmc.h
index 8543f43..e9cc62c 100644
--- a/arch/mips/include/asm/mach-jz4740/jz4740_mmc.h
+++ b/arch/mips/include/asm/mach-jz4740/jz4740_mmc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_MMC_JZ4740_MMC
 #define __LINUX_MMC_JZ4740_MMC
 
diff --git a/arch/mips/include/asm/mach-lasat/irq.h b/arch/mips/include/asm/mach-lasat/irq.h
index 3a28241..d79cbe0 100644
--- a/arch/mips/include/asm/mach-lasat/irq.h
+++ b/arch/mips/include/asm/mach-lasat/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_MACH_LASAT_IRQ_H
 #define _ASM_MACH_LASAT_IRQ_H
 
diff --git a/arch/mips/include/asm/mach-lasat/mach-gt64120.h b/arch/mips/include/asm/mach-lasat/mach-gt64120.h
index c253d3fa5..6666a88 100644
--- a/arch/mips/include/asm/mach-lasat/mach-gt64120.h
+++ b/arch/mips/include/asm/mach-lasat/mach-gt64120.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  This is a direct copy of the ev96100.h file, with a global
  * search and replace.	The numbers are the same.
diff --git a/arch/mips/include/asm/mach-loongson64/boot_param.h b/arch/mips/include/asm/mach-loongson64/boot_param.h
index 9f9bb9c..4f69f08 100644
--- a/arch/mips/include/asm/mach-loongson64/boot_param.h
+++ b/arch/mips/include/asm/mach-loongson64/boot_param.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_LOONGSON64_BOOT_PARAM_H_
 #define __ASM_MACH_LOONGSON64_BOOT_PARAM_H_
 
diff --git a/arch/mips/include/asm/mach-loongson64/cs5536/cs5536.h b/arch/mips/include/asm/mach-loongson64/cs5536/cs5536.h
index a0ee0cb..9795b33 100644
--- a/arch/mips/include/asm/mach-loongson64/cs5536/cs5536.h
+++ b/arch/mips/include/asm/mach-loongson64/cs5536/cs5536.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * The header file of cs5536 south bridge.
  *
diff --git a/arch/mips/include/asm/mach-loongson64/cs5536/cs5536_mfgpt.h b/arch/mips/include/asm/mach-loongson64/cs5536/cs5536_mfgpt.h
index 021d017..52e8bb0 100644
--- a/arch/mips/include/asm/mach-loongson64/cs5536/cs5536_mfgpt.h
+++ b/arch/mips/include/asm/mach-loongson64/cs5536/cs5536_mfgpt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * cs5536 mfgpt header file
  */
diff --git a/arch/mips/include/asm/mach-loongson64/cs5536/cs5536_pci.h b/arch/mips/include/asm/mach-loongson64/cs5536/cs5536_pci.h
index bf9dd9e..a0d4b75 100644
--- a/arch/mips/include/asm/mach-loongson64/cs5536/cs5536_pci.h
+++ b/arch/mips/include/asm/mach-loongson64/cs5536/cs5536_pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * the definition file of cs5536 Virtual Support Module(VSM).
  * pci configuration space can be accessed through the VSM, so
diff --git a/arch/mips/include/asm/mach-loongson64/cs5536/cs5536_vsm.h b/arch/mips/include/asm/mach-loongson64/cs5536/cs5536_vsm.h
index 1f17c18..70d0153 100644
--- a/arch/mips/include/asm/mach-loongson64/cs5536/cs5536_vsm.h
+++ b/arch/mips/include/asm/mach-loongson64/cs5536/cs5536_vsm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * the read/write interfaces for Virtual Support Module(VSM)
  *
diff --git a/arch/mips/include/asm/mach-loongson64/irq.h b/arch/mips/include/asm/mach-loongson64/irq.h
index d18c45c..3644b68 100644
--- a/arch/mips/include/asm/mach-loongson64/irq.h
+++ b/arch/mips/include/asm/mach-loongson64/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_LOONGSON64_IRQ_H_
 #define __ASM_MACH_LOONGSON64_IRQ_H_
 
diff --git a/arch/mips/include/asm/mach-loongson64/loongson_hwmon.h b/arch/mips/include/asm/mach-loongson64/loongson_hwmon.h
index 74230d0..545f91f 100644
--- a/arch/mips/include/asm/mach-loongson64/loongson_hwmon.h
+++ b/arch/mips/include/asm/mach-loongson64/loongson_hwmon.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LOONGSON_HWMON_H_
 #define __LOONGSON_HWMON_H_
 
diff --git a/arch/mips/include/asm/mach-loongson64/spaces.h b/arch/mips/include/asm/mach-loongson64/spaces.h
index c6040b9..e85bc1d 100644
--- a/arch/mips/include/asm/mach-loongson64/spaces.h
+++ b/arch/mips/include/asm/mach-loongson64/spaces.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_LOONGSON64_SPACES_H_
 #define __ASM_MACH_LOONGSON64_SPACES_H_
 
diff --git a/arch/mips/include/asm/mach-loongson64/topology.h b/arch/mips/include/asm/mach-loongson64/topology.h
index bcb8856..7ff819a 100644
--- a/arch/mips/include/asm/mach-loongson64/topology.h
+++ b/arch/mips/include/asm/mach-loongson64/topology.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_MACH_TOPOLOGY_H
 #define _ASM_MACH_TOPOLOGY_H
 
diff --git a/arch/mips/include/asm/mach-loongson64/workarounds.h b/arch/mips/include/asm/mach-loongson64/workarounds.h
index e659f04..17b7117 100644
--- a/arch/mips/include/asm/mach-loongson64/workarounds.h
+++ b/arch/mips/include/asm/mach-loongson64/workarounds.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_LOONGSON64_WORKAROUNDS_H_
 #define __ASM_MACH_LOONGSON64_WORKAROUNDS_H_
 
diff --git a/arch/mips/include/asm/mach-malta/irq.h b/arch/mips/include/asm/mach-malta/irq.h
index 47cfe64..af9eeea 100644
--- a/arch/mips/include/asm/mach-malta/irq.h
+++ b/arch/mips/include/asm/mach-malta/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_MIPS_IRQ_H
 #define __ASM_MACH_MIPS_IRQ_H
 
diff --git a/arch/mips/include/asm/mach-malta/mach-gt64120.h b/arch/mips/include/asm/mach-malta/mach-gt64120.h
index 62a4b288..b9dee7c 100644
--- a/arch/mips/include/asm/mach-malta/mach-gt64120.h
+++ b/arch/mips/include/asm/mach-malta/mach-gt64120.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  This is a direct copy of the ev96100.h file, with a global
  * search and replace.	The numbers are the same.
diff --git a/arch/mips/include/asm/mach-ralink/irq.h b/arch/mips/include/asm/mach-ralink/irq.h
index 4321865..86473e3 100644
--- a/arch/mips/include/asm/mach-ralink/irq.h
+++ b/arch/mips/include/asm/mach-ralink/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_RALINK_IRQ_H
 #define __ASM_MACH_RALINK_IRQ_H
 
diff --git a/arch/mips/include/asm/mach-rc32434/dma.h b/arch/mips/include/asm/mach-rc32434/dma.h
index 4322191..44dc87b 100644
--- a/arch/mips/include/asm/mach-rc32434/dma.h
+++ b/arch/mips/include/asm/mach-rc32434/dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright 2002 Integrated Device Technology, Inc.
  *		All rights reserved.
diff --git a/arch/mips/include/asm/mach-rc32434/dma_v.h b/arch/mips/include/asm/mach-rc32434/dma_v.h
index 28c5406..37d73b9 100644
--- a/arch/mips/include/asm/mach-rc32434/dma_v.h
+++ b/arch/mips/include/asm/mach-rc32434/dma_v.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright 2002 Integrated Device Technology, Inc.
  *		All rights reserved.
diff --git a/arch/mips/include/asm/mach-rc32434/gpio.h b/arch/mips/include/asm/mach-rc32434/gpio.h
index db21121..a3192da 100644
--- a/arch/mips/include/asm/mach-rc32434/gpio.h
+++ b/arch/mips/include/asm/mach-rc32434/gpio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright 2002 Integrated Device Technology, Inc.
  *	All rights reserved.
diff --git a/arch/mips/include/asm/mach-rc32434/irq.h b/arch/mips/include/asm/mach-rc32434/irq.h
index b76dec9..ebe32bd 100644
--- a/arch/mips/include/asm/mach-rc32434/irq.h
+++ b/arch/mips/include/asm/mach-rc32434/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_RC32434_IRQ_H
 #define __ASM_RC32434_IRQ_H
 
diff --git a/arch/mips/include/asm/mach-rc32434/rc32434.h b/arch/mips/include/asm/mach-rc32434/rc32434.h
index 02fd32b4..1bec6cc 100644
--- a/arch/mips/include/asm/mach-rc32434/rc32434.h
+++ b/arch/mips/include/asm/mach-rc32434/rc32434.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Definitions for IDT RC323434 CPU.
  */
diff --git a/arch/mips/include/asm/mach-tx39xx/mangle-port.h b/arch/mips/include/asm/mach-tx39xx/mangle-port.h
index ef0b502..ab7a70b 100644
--- a/arch/mips/include/asm/mach-tx39xx/mangle-port.h
+++ b/arch/mips/include/asm/mach-tx39xx/mangle-port.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_TX39XX_MANGLE_PORT_H
 #define __ASM_MACH_TX39XX_MANGLE_PORT_H
 
diff --git a/arch/mips/include/asm/mach-tx49xx/cpu-feature-overrides.h b/arch/mips/include/asm/mach-tx49xx/cpu-feature-overrides.h
index b9d39dc..04e4247 100644
--- a/arch/mips/include/asm/mach-tx49xx/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-tx49xx/cpu-feature-overrides.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_TX49XX_CPU_FEATURE_OVERRIDES_H
 #define __ASM_MACH_TX49XX_CPU_FEATURE_OVERRIDES_H
 
diff --git a/arch/mips/include/asm/mach-tx49xx/kmalloc.h b/arch/mips/include/asm/mach-tx49xx/kmalloc.h
index ff9a8b86..c2a0a6f 100644
--- a/arch/mips/include/asm/mach-tx49xx/kmalloc.h
+++ b/arch/mips/include/asm/mach-tx49xx/kmalloc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_TX49XX_KMALLOC_H
 #define __ASM_MACH_TX49XX_KMALLOC_H
 
diff --git a/arch/mips/include/asm/mach-tx49xx/mangle-port.h b/arch/mips/include/asm/mach-tx49xx/mangle-port.h
index 490867b..e061ef3 100644
--- a/arch/mips/include/asm/mach-tx49xx/mangle-port.h
+++ b/arch/mips/include/asm/mach-tx49xx/mangle-port.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_TX49XX_MANGLE_PORT_H
 #define __ASM_MACH_TX49XX_MANGLE_PORT_H
 
diff --git a/arch/mips/include/asm/mach-vr41xx/irq.h b/arch/mips/include/asm/mach-vr41xx/irq.h
index 862058d3..3d63afa 100644
--- a/arch/mips/include/asm/mach-vr41xx/irq.h
+++ b/arch/mips/include/asm/mach-vr41xx/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MACH_VR41XX_IRQ_H
 #define __ASM_MACH_VR41XX_IRQ_H
 
diff --git a/arch/mips/include/asm/mips-boards/launch.h b/arch/mips/include/asm/mips-boards/launch.h
index 653477e..f93aa5e 100644
--- a/arch/mips/include/asm/mips-boards/launch.h
+++ b/arch/mips/include/asm/mips-boards/launch.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *
  */
diff --git a/arch/mips/include/asm/mips_mt.h b/arch/mips/include/asm/mips_mt.h
index aa4cca0..b444523 100644
--- a/arch/mips/include/asm/mips_mt.h
+++ b/arch/mips/include/asm/mips_mt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Definitions and declarations for MIPS MT support that are common between
  * the VSMP, and AP/SP kernel models.
diff --git a/arch/mips/include/asm/mipsmtregs.h b/arch/mips/include/asm/mipsmtregs.h
index 5f8052c..212336b 100644
--- a/arch/mips/include/asm/mipsmtregs.h
+++ b/arch/mips/include/asm/mipsmtregs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * MT regs definitions, follows on from mipsregs.h
  * Copyright (C) 2004 - 2005 MIPS Technologies, Inc.  All rights reserved.
diff --git a/arch/mips/include/asm/mipsprom.h b/arch/mips/include/asm/mipsprom.h
index e93943f..2eda19f 100644
--- a/arch/mips/include/asm/mipsprom.h
+++ b/arch/mips/include/asm/mipsprom.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MIPSPROM_H
 #define __ASM_MIPSPROM_H
 
diff --git a/arch/mips/include/asm/mmu.h b/arch/mips/include/asm/mmu.h
index f6ba08d..0740be7 100644
--- a/arch/mips/include/asm/mmu.h
+++ b/arch/mips/include/asm/mmu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_MMU_H
 #define __ASM_MMU_H
 
diff --git a/arch/mips/include/asm/mmzone.h b/arch/mips/include/asm/mmzone.h
index f53ec54..f085fba4 100644
--- a/arch/mips/include/asm/mmzone.h
+++ b/arch/mips/include/asm/mmzone.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Written by Kanoj Sarcar (kanoj@sgi.com) Aug 99
  * Rewritten for Linux 2.6 by Christoph Hellwig (hch@lst.de) Jan 2004
diff --git a/arch/mips/include/asm/module.h b/arch/mips/include/asm/module.h
index 06552a9..6dc0b21 100644
--- a/arch/mips/include/asm/module.h
+++ b/arch/mips/include/asm/module.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_MODULE_H
 #define _ASM_MODULE_H
 
diff --git a/arch/mips/include/asm/nile4.h b/arch/mips/include/asm/nile4.h
index 99e97f8..9d36b78 100644
--- a/arch/mips/include/asm/nile4.h
+++ b/arch/mips/include/asm/nile4.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  asm-mips/nile4.h -- NEC Vrc-5074 Nile 4 definitions
  *
diff --git a/arch/mips/include/asm/octeon/cvmx-config.h b/arch/mips/include/asm/octeon/cvmx-config.h
index f4f1996..a8c358c 100644
--- a/arch/mips/include/asm/octeon/cvmx-config.h
+++ b/arch/mips/include/asm/octeon/cvmx-config.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __CVMX_CONFIG_H__
 #define __CVMX_CONFIG_H__
 
diff --git a/arch/mips/include/asm/seccomp.h b/arch/mips/include/asm/seccomp.h
index d886d6f..e383d7e 100644
--- a/arch/mips/include/asm/seccomp.h
+++ b/arch/mips/include/asm/seccomp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_SECCOMP_H
 
 #include <linux/unistd.h>
diff --git a/arch/mips/include/asm/setup.h b/arch/mips/include/asm/setup.h
index 4f5279a..d49d247 100644
--- a/arch/mips/include/asm/setup.h
+++ b/arch/mips/include/asm/setup.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _MIPS_SETUP_H
 #define _MIPS_SETUP_H
 
diff --git a/arch/mips/include/asm/sgi/pi1.h b/arch/mips/include/asm/sgi/pi1.h
index 96b1a07..88b814e 100644
--- a/arch/mips/include/asm/sgi/pi1.h
+++ b/arch/mips/include/asm/sgi/pi1.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * pi1.h: Definitions for SGI PI1 parallel port
  */
diff --git a/arch/mips/include/asm/sn/hub.h b/arch/mips/include/asm/sn/hub.h
index 1992d92..338f7ee 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 feb3851..25c8dcc 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 6af25ba..ea6b217 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 401f3b0..2f3efa9 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 fdfae43..f09ba84 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
 
diff --git a/arch/mips/include/asm/sparsemem.h b/arch/mips/include/asm/sparsemem.h
index b1071c1..b0686ca 100644
--- a/arch/mips/include/asm/sparsemem.h
+++ b/arch/mips/include/asm/sparsemem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _MIPS_SPARSEMEM_H
 #define _MIPS_SPARSEMEM_H
 #ifdef CONFIG_SPARSEMEM
diff --git a/arch/mips/include/asm/spinlock_types.h b/arch/mips/include/asm/spinlock_types.h
index 177e722..28fd4b14 100644
--- a/arch/mips/include/asm/spinlock_types.h
+++ b/arch/mips/include/asm/spinlock_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_SPINLOCK_TYPES_H
 #define _ASM_SPINLOCK_TYPES_H
 
diff --git a/arch/mips/include/asm/spram.h b/arch/mips/include/asm/spram.h
index 0f90d88..63cb90f 100644
--- a/arch/mips/include/asm/spram.h
+++ b/arch/mips/include/asm/spram.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _MIPS_SPRAM_H
 #define _MIPS_SPRAM_H
 
diff --git a/arch/mips/include/asm/stackprotector.h b/arch/mips/include/asm/stackprotector.h
index eb9b103..68d4be9 100644
--- a/arch/mips/include/asm/stackprotector.h
+++ b/arch/mips/include/asm/stackprotector.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * GCC stack protector support.
  *
diff --git a/arch/mips/include/asm/stacktrace.h b/arch/mips/include/asm/stacktrace.h
index 10c4e9c..8ad25c25 100644
--- a/arch/mips/include/asm/stacktrace.h
+++ b/arch/mips/include/asm/stacktrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_STACKTRACE_H
 #define _ASM_STACKTRACE_H
 
diff --git a/arch/mips/include/asm/thread_info.h b/arch/mips/include/asm/thread_info.h
index b439e51..5e8927f 100644
--- a/arch/mips/include/asm/thread_info.h
+++ b/arch/mips/include/asm/thread_info.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /* thread_info.h: MIPS low-level thread information
  *
  * Copyright (C) 2002  David Howells (dhowells@redhat.com)
diff --git a/arch/mips/include/asm/tlb.h b/arch/mips/include/asm/tlb.h
index 939734d..b6823b9 100644
--- a/arch/mips/include/asm/tlb.h
+++ b/arch/mips/include/asm/tlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_TLB_H
 #define __ASM_TLB_H
 
diff --git a/arch/mips/include/asm/tlbex.h b/arch/mips/include/asm/tlbex.h
index 53050e9..4ed7ebe 100644
--- a/arch/mips/include/asm/tlbex.h
+++ b/arch/mips/include/asm/tlbex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_TLBEX_H
 #define __ASM_TLBEX_H
 
diff --git a/arch/mips/include/asm/tlbflush.h b/arch/mips/include/asm/tlbflush.h
index 86b21de..40a3610 100644
--- a/arch/mips/include/asm/tlbflush.h
+++ b/arch/mips/include/asm/tlbflush.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_TLBFLUSH_H
 #define __ASM_TLBFLUSH_H
 
diff --git a/arch/mips/include/asm/tlbmisc.h b/arch/mips/include/asm/tlbmisc.h
index 3a45228..c1a5406 100644
--- a/arch/mips/include/asm/tlbmisc.h
+++ b/arch/mips/include/asm/tlbmisc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_TLBMISC_H
 #define __ASM_TLBMISC_H
 
diff --git a/arch/mips/include/asm/txx9/boards.h b/arch/mips/include/asm/txx9/boards.h
index cbe9476..d45237b 100644
--- a/arch/mips/include/asm/txx9/boards.h
+++ b/arch/mips/include/asm/txx9/boards.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifdef CONFIG_TOSHIBA_JMR3927
 BOARD_VEC(jmr3927_vec)
 #endif
diff --git a/arch/mips/include/asm/vga.h b/arch/mips/include/asm/vga.h
index 975ff51..0136e03 100644
--- a/arch/mips/include/asm/vga.h
+++ b/arch/mips/include/asm/vga.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *	Access to VGA videoram
  *
diff --git a/arch/mips/jazz/Kconfig b/arch/mips/jazz/Kconfig
index fb1e072..06838f8 100644
--- a/arch/mips/jazz/Kconfig
+++ b/arch/mips/jazz/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config ACER_PICA_61
 	bool "Support for Acer PICA 1 chipset"
 	depends on MACH_JAZZ
diff --git a/arch/mips/jazz/jazzdma.c b/arch/mips/jazz/jazzdma.c
index 11172fd..d626a9a 100644
--- a/arch/mips/jazz/jazzdma.c
+++ b/arch/mips/jazz/jazzdma.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Mips Jazz DMA controller support
  * Copyright (C) 1995, 1996 by Andreas Busse
diff --git a/arch/mips/jazz/reset.c b/arch/mips/jazz/reset.c
index dd889fe..052b01f 100644
--- a/arch/mips/jazz/reset.c
+++ b/arch/mips/jazz/reset.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Reset a Jazz machine.
  *
diff --git a/arch/mips/jz4740/Kconfig b/arch/mips/jz4740/Kconfig
index 36f82017..643af20 100644
--- a/arch/mips/jz4740/Kconfig
+++ b/arch/mips/jz4740/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 choice
 	prompt "Machine type"
 	depends on MACH_INGENIC
diff --git a/arch/mips/jz4740/Makefile b/arch/mips/jz4740/Makefile
index 6b9c1f7..88d6aa7 100644
--- a/arch/mips/jz4740/Makefile
+++ b/arch/mips/jz4740/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Ingenic JZ4740.
 #
diff --git a/arch/mips/jz4740/reset.h b/arch/mips/jz4740/reset.h
index 5202ab4..4e8746e 100644
--- a/arch/mips/jz4740/reset.h
+++ b/arch/mips/jz4740/reset.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __MIPS_JZ4740_RESET_H__
 #define __MIPS_JZ4740_RESET_H__
 
diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile
index 07f0f4a..f10e1e1 100644
--- a/arch/mips/kernel/Makefile
+++ b/arch/mips/kernel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux/MIPS kernel.
 #
diff --git a/arch/mips/kernel/asm-offsets.c b/arch/mips/kernel/asm-offsets.c
index a670c0c..c1cd414 100644
--- a/arch/mips/kernel/asm-offsets.c
+++ b/arch/mips/kernel/asm-offsets.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * asm-offsets.c: Calculate pt_regs and task_struct offsets.
  *
diff --git a/arch/mips/kernel/binfmt_elfn32.c b/arch/mips/kernel/binfmt_elfn32.c
index 4a2ff39..89b2348 100644
--- a/arch/mips/kernel/binfmt_elfn32.c
+++ b/arch/mips/kernel/binfmt_elfn32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Support for n32 Linux/MIPS ELF binaries.
  * Author: Ralf Baechle (ralf@linux-mips.org)
diff --git a/arch/mips/kernel/binfmt_elfo32.c b/arch/mips/kernel/binfmt_elfo32.c
index 3916404..a88c59d 100644
--- a/arch/mips/kernel/binfmt_elfo32.c
+++ b/arch/mips/kernel/binfmt_elfo32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Support for o32 Linux/MIPS ELF binaries.
  * Author: Ralf Baechle (ralf@linux-mips.org)
diff --git a/arch/mips/kernel/crash.c b/arch/mips/kernel/crash.c
index ca25cd3..d455363 100644
--- a/arch/mips/kernel/crash.c
+++ b/arch/mips/kernel/crash.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/smp.h>
 #include <linux/reboot.h>
diff --git a/arch/mips/kernel/crash_dump.c b/arch/mips/kernel/crash_dump.c
index 77ee99a..a8657d2 100644
--- a/arch/mips/kernel/crash_dump.c
+++ b/arch/mips/kernel/crash_dump.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/highmem.h>
 #include <linux/bootmem.h>
 #include <linux/crash_dump.h>
diff --git a/arch/mips/kernel/ftrace.c b/arch/mips/kernel/ftrace.c
index 9d9b8fba..99285be 100644
--- a/arch/mips/kernel/ftrace.c
+++ b/arch/mips/kernel/ftrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Code for replacing ftrace calls with jumps.
  *
diff --git a/arch/mips/kernel/i8253.c b/arch/mips/kernel/i8253.c
index c5bc344..5f209f1 100644
--- a/arch/mips/kernel/i8253.c
+++ b/arch/mips/kernel/i8253.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * i8253.c  8253/PIT functions
  *
diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c
index b01bdef..b332f6f 100644
--- a/arch/mips/kernel/linux32.c
+++ b/arch/mips/kernel/linux32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Conversion between 32-bit and 64-bit native system calls.
  *
diff --git a/arch/mips/kernel/mips-mt-fpaff.c b/arch/mips/kernel/mips-mt-fpaff.c
index 8cab633..a7c0f97e 100644
--- a/arch/mips/kernel/mips-mt-fpaff.c
+++ b/arch/mips/kernel/mips-mt-fpaff.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * General MIPS MT support routines, usable in AP/SP and SMVP.
  * Copyright (C) 2005 Mips Technologies, Inc
diff --git a/arch/mips/kernel/mips-mt.c b/arch/mips/kernel/mips-mt.c
index 88b1ef5..efaa252 100644
--- a/arch/mips/kernel/mips-mt.c
+++ b/arch/mips/kernel/mips-mt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * General MIPS MT support routines, usable in AP/SP and SMVP.
  * Copyright (C) 2005 Mips Technologies, Inc
diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c
index bd9bf52..b2de408 100644
--- a/arch/mips/kernel/proc.c
+++ b/arch/mips/kernel/proc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Copyright (C) 1995, 1996, 2001  Ralf Baechle
  *  Copyright (C) 2001, 2004  MIPS Technologies, Inc.
diff --git a/arch/mips/kernel/r2300_switch.S b/arch/mips/kernel/r2300_switch.S
index e57703b..6658971 100644
--- a/arch/mips/kernel/r2300_switch.S
+++ b/arch/mips/kernel/r2300_switch.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * r2300_switch.S: R2300 specific task switching code.
  *
diff --git a/arch/mips/kernel/spinlock_test.c b/arch/mips/kernel/spinlock_test.c
index f7d8695..eaed550 100644
--- a/arch/mips/kernel/spinlock_test.c
+++ b/arch/mips/kernel/spinlock_test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/kthread.h>
 #include <linux/hrtimer.h>
diff --git a/arch/mips/kernel/sync-r4k.c b/arch/mips/kernel/sync-r4k.c
index 1df1160..f2973ce 100644
--- a/arch/mips/kernel/sync-r4k.c
+++ b/arch/mips/kernel/sync-r4k.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Count register synchronisation.
  *
diff --git a/arch/mips/kernel/sysrq.c b/arch/mips/kernel/sysrq.c
index 5f05539..e5a2a6a 100644
--- a/arch/mips/kernel/sysrq.c
+++ b/arch/mips/kernel/sysrq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * MIPS specific sysrq operations.
  *
diff --git a/arch/mips/kernel/topology.c b/arch/mips/kernel/topology.c
index cf3eb61..cd3e1f8 100644
--- a/arch/mips/kernel/topology.c
+++ b/arch/mips/kernel/topology.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/cpu.h>
 #include <linux/cpumask.h>
 #include <linux/init.h>
diff --git a/arch/mips/kernel/uprobes.c b/arch/mips/kernel/uprobes.c
index e99e3fae..f7a0645 100644
--- a/arch/mips/kernel/uprobes.c
+++ b/arch/mips/kernel/uprobes.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/highmem.h>
 #include <linux/kdebug.h>
 #include <linux/types.h>
diff --git a/arch/mips/kernel/vmlinux.lds.S b/arch/mips/kernel/vmlinux.lds.S
index 8ca2371..971a504 100644
--- a/arch/mips/kernel/vmlinux.lds.S
+++ b/arch/mips/kernel/vmlinux.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm/asm-offsets.h>
 #include <asm/thread_info.h>
 
diff --git a/arch/mips/kvm/Kconfig b/arch/mips/kvm/Kconfig
index 50a722d..b17447c 100644
--- a/arch/mips/kvm/Kconfig
+++ b/arch/mips/kvm/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # KVM configuration
 #
diff --git a/arch/mips/kvm/Makefile b/arch/mips/kvm/Makefile
index 45d90f5..01affc1 100644
--- a/arch/mips/kvm/Makefile
+++ b/arch/mips/kvm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for KVM support for MIPS
 #
 
diff --git a/arch/mips/lantiq/Kconfig b/arch/mips/lantiq/Kconfig
index 35bc69b..692ae85 100644
--- a/arch/mips/lantiq/Kconfig
+++ b/arch/mips/lantiq/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if LANTIQ
 
 config SOC_TYPE_XWAY
diff --git a/arch/mips/lasat/Kconfig b/arch/mips/lasat/Kconfig
index 8776d0a..11b89e94 100644
--- a/arch/mips/lasat/Kconfig
+++ b/arch/mips/lasat/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config PICVUE
 	tristate "PICVUE LCD display driver"
 	depends on LASAT
diff --git a/arch/mips/lasat/Makefile b/arch/mips/lasat/Makefile
index 869bd3b..1789b22 100644
--- a/arch/mips/lasat/Makefile
+++ b/arch/mips/lasat/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the LASAT specific kernel interface routines under Linux.
 #
diff --git a/arch/mips/lasat/at93c.c b/arch/mips/lasat/at93c.c
index 4e272a2..f895fe9 100644
--- a/arch/mips/lasat/at93c.c
+++ b/arch/mips/lasat/at93c.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Atmel AT93C46 serial eeprom driver
  *
diff --git a/arch/mips/lasat/at93c.h b/arch/mips/lasat/at93c.h
index cfe2f99..7a99a02 100644
--- a/arch/mips/lasat/at93c.h
+++ b/arch/mips/lasat/at93c.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Atmel AT93C46 serial eeprom driver
  *
diff --git a/arch/mips/lasat/ds1603.c b/arch/mips/lasat/ds1603.c
index c6fd96f..8bd5cf8 100644
--- a/arch/mips/lasat/ds1603.c
+++ b/arch/mips/lasat/ds1603.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Dallas Semiconductors 1603 RTC driver
  *
diff --git a/arch/mips/lasat/ds1603.h b/arch/mips/lasat/ds1603.h
index 3e718b1..00987d3 100644
--- a/arch/mips/lasat/ds1603.h
+++ b/arch/mips/lasat/ds1603.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Dallas Semiconductors 1603 RTC driver
  *
diff --git a/arch/mips/lasat/image/Makefile b/arch/mips/lasat/image/Makefile
index fd32075..9ab1326 100644
--- a/arch/mips/lasat/image/Makefile
+++ b/arch/mips/lasat/image/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # MAKEFILE FOR THE MIPS LINUX BOOTLOADER AND ROM DEBUGGER
 #
diff --git a/arch/mips/lasat/image/head.S b/arch/mips/lasat/image/head.S
index 41babbe..1a27312 100644
--- a/arch/mips/lasat/image/head.S
+++ b/arch/mips/lasat/image/head.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm/lasat/head.h>
 
 	.text
diff --git a/arch/mips/lasat/lasat_models.h b/arch/mips/lasat/lasat_models.h
index e1cbd26..474e573 100644
--- a/arch/mips/lasat/lasat_models.h
+++ b/arch/mips/lasat/lasat_models.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Model description tables
  */
diff --git a/arch/mips/lasat/picvue.h b/arch/mips/lasat/picvue.h
index d0119fc..161d3bf 100644
--- a/arch/mips/lasat/picvue.h
+++ b/arch/mips/lasat/picvue.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Picvue PVC160206 display driver
  *
diff --git a/arch/mips/lasat/prom.c b/arch/mips/lasat/prom.c
index 20fde19..17e15b5 100644
--- a/arch/mips/lasat/prom.c
+++ b/arch/mips/lasat/prom.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * PROM interface routines.
  */
diff --git a/arch/mips/lasat/prom.h b/arch/mips/lasat/prom.h
index 337acbc..3d1df85 100644
--- a/arch/mips/lasat/prom.h
+++ b/arch/mips/lasat/prom.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __PROM_H
 #define __PROM_H
 
diff --git a/arch/mips/lib/Makefile b/arch/mips/lib/Makefile
index 6ab430d..78c2aff 100644
--- a/arch/mips/lib/Makefile
+++ b/arch/mips/lib/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for MIPS-specific library files..
 #
diff --git a/arch/mips/lib/ashldi3.c b/arch/mips/lib/ashldi3.c
index c3e2205..24cd690 100644
--- a/arch/mips/lib/ashldi3.c
+++ b/arch/mips/lib/ashldi3.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 
 #include "libgcc.h"
diff --git a/arch/mips/lib/ashrdi3.c b/arch/mips/lib/ashrdi3.c
index 1745602..23f5295 100644
--- a/arch/mips/lib/ashrdi3.c
+++ b/arch/mips/lib/ashrdi3.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 
 #include "libgcc.h"
diff --git a/arch/mips/lib/bswapdi.c b/arch/mips/lib/bswapdi.c
index a811414..fcef7408 100644
--- a/arch/mips/lib/bswapdi.c
+++ b/arch/mips/lib/bswapdi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 #include <linux/compiler.h>
 
diff --git a/arch/mips/lib/bswapsi.c b/arch/mips/lib/bswapsi.c
index 106fd97..22d8e4f 100644
--- a/arch/mips/lib/bswapsi.c
+++ b/arch/mips/lib/bswapsi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 #include <linux/compiler.h>
 
diff --git a/arch/mips/lib/cmpdi2.c b/arch/mips/lib/cmpdi2.c
index 9d849d8..93cfc785 100644
--- a/arch/mips/lib/cmpdi2.c
+++ b/arch/mips/lib/cmpdi2.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 
 #include "libgcc.h"
diff --git a/arch/mips/lib/dump_tlb.c b/arch/mips/lib/dump_tlb.c
index 6eb50a7..781ad96 100644
--- a/arch/mips/lib/dump_tlb.c
+++ b/arch/mips/lib/dump_tlb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Dump R4x00 TLB for debugging purposes.
  *
diff --git a/arch/mips/lib/iomap-pci.c b/arch/mips/lib/iomap-pci.c
index 8ed3f25..4850509 100644
--- a/arch/mips/lib/iomap-pci.c
+++ b/arch/mips/lib/iomap-pci.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Implement the default iomap interfaces
  *
diff --git a/arch/mips/lib/iomap.c b/arch/mips/lib/iomap.c
index 9daa924..9b31653 100644
--- a/arch/mips/lib/iomap.c
+++ b/arch/mips/lib/iomap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Implement the default iomap interfaces
  *
diff --git a/arch/mips/lib/libgcc.h b/arch/mips/lib/libgcc.h
index 05909d58..28002ed 100644
--- a/arch/mips/lib/libgcc.h
+++ b/arch/mips/lib/libgcc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ASM_LIBGCC_H
 #define __ASM_LIBGCC_H
 
diff --git a/arch/mips/lib/lshrdi3.c b/arch/mips/lib/lshrdi3.c
index 221167c..914b971 100644
--- a/arch/mips/lib/lshrdi3.c
+++ b/arch/mips/lib/lshrdi3.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 
 #include "libgcc.h"
diff --git a/arch/mips/lib/r3k_dump_tlb.c b/arch/mips/lib/r3k_dump_tlb.c
index 85b4086..b97d9c5 100644
--- a/arch/mips/lib/r3k_dump_tlb.c
+++ b/arch/mips/lib/r3k_dump_tlb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Dump R3000 TLB for debugging purposes.
  *
diff --git a/arch/mips/lib/ucmpdi2.c b/arch/mips/lib/ucmpdi2.c
index 08067fa..c31c78c 100644
--- a/arch/mips/lib/ucmpdi2.c
+++ b/arch/mips/lib/ucmpdi2.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 
 #include "libgcc.h"
diff --git a/arch/mips/loongson32/Kconfig b/arch/mips/loongson32/Kconfig
index 3c0c2f2..462b126 100644
--- a/arch/mips/loongson32/Kconfig
+++ b/arch/mips/loongson32/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if MACH_LOONGSON32
 
 choice
diff --git a/arch/mips/loongson64/Kconfig b/arch/mips/loongson64/Kconfig
index 8e6e292..0d249fc 100644
--- a/arch/mips/loongson64/Kconfig
+++ b/arch/mips/loongson64/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if MACH_LOONGSON64
 
 choice
diff --git a/arch/mips/loongson64/common/Makefile b/arch/mips/loongson64/common/Makefile
index 074d9cb..8235ac7e 100644
--- a/arch/mips/loongson64/common/Makefile
+++ b/arch/mips/loongson64/common/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for loongson based machines.
 #
diff --git a/arch/mips/loongson64/common/dma-swiotlb.c b/arch/mips/loongson64/common/dma-swiotlb.c
index 34486c1..ef07740 100644
--- a/arch/mips/loongson64/common/dma-swiotlb.c
+++ b/arch/mips/loongson64/common/dma-swiotlb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/mm.h>
 #include <linux/init.h>
 #include <linux/dma-mapping.h>
diff --git a/arch/mips/loongson64/loongson-3/acpi_init.c b/arch/mips/loongson64/loongson-3/acpi_init.c
index dbdad79..8d7c119 100644
--- a/arch/mips/loongson64/loongson-3/acpi_init.c
+++ b/arch/mips/loongson64/loongson-3/acpi_init.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/io.h>
 #include <linux/init.h>
 #include <linux/ioport.h>
diff --git a/arch/mips/loongson64/loongson-3/hpet.c b/arch/mips/loongson64/loongson-3/hpet.c
index 4df9d4b..ed15430 100644
--- a/arch/mips/loongson64/loongson-3/hpet.c
+++ b/arch/mips/loongson64/loongson-3/hpet.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/pci.h>
 #include <linux/percpu.h>
diff --git a/arch/mips/loongson64/loongson-3/irq.c b/arch/mips/loongson64/loongson-3/irq.c
index 7202e52..cbeb20f 100644
--- a/arch/mips/loongson64/loongson-3/irq.c
+++ b/arch/mips/loongson64/loongson-3/irq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <loongson.h>
 #include <irq.h>
 #include <linux/interrupt.h>
diff --git a/arch/mips/loongson64/loongson-3/smp.h b/arch/mips/loongson64/loongson-3/smp.h
index d98ff65..957bde8 100644
--- a/arch/mips/loongson64/loongson-3/smp.h
+++ b/arch/mips/loongson64/loongson-3/smp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LOONGSON_SMP_H_
 #define __LOONGSON_SMP_H_
 
diff --git a/arch/mips/math-emu/Makefile b/arch/mips/math-emu/Makefile
index e9f10b8..81d25ff 100644
--- a/arch/mips/math-emu/Makefile
+++ b/arch/mips/math-emu/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux/MIPS kernel FPU emulation.
 #
diff --git a/arch/mips/math-emu/dsemul.c b/arch/mips/math-emu/dsemul.c
index b6bfd36..5450f4d 100644
--- a/arch/mips/math-emu/dsemul.c
+++ b/arch/mips/math-emu/dsemul.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/err.h>
 #include <linux/slab.h>
 #include <linux/mm_types.h>
diff --git a/arch/mips/math-emu/me-debugfs.c b/arch/mips/math-emu/me-debugfs.c
index 8c0ec15..6256638 100644
--- a/arch/mips/math-emu/me-debugfs.c
+++ b/arch/mips/math-emu/me-debugfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/cpumask.h>
 #include <linux/debugfs.h>
 #include <linux/fs.h>
diff --git a/arch/mips/mm/Makefile b/arch/mips/mm/Makefile
index b4cc881..c463bda 100644
--- a/arch/mips/mm/Makefile
+++ b/arch/mips/mm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Linux/MIPS-specific parts of the memory manager.
 #
diff --git a/arch/mips/mm/c-r3k.c b/arch/mips/mm/c-r3k.c
index 21e4e66..3466fcd 100644
--- a/arch/mips/mm/c-r3k.c
+++ b/arch/mips/mm/c-r3k.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * r2300.c: R2000 and R3000 specific mmu/cache code.
  *
diff --git a/arch/mips/mm/c-tx39.c b/arch/mips/mm/c-tx39.c
index 5c28258..5f6c099 100644
--- a/arch/mips/mm/c-tx39.c
+++ b/arch/mips/mm/c-tx39.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * r2300.c: R2000 and R3000 specific mmu/cache code.
  *
diff --git a/arch/mips/mm/gup.c b/arch/mips/mm/gup.c
index d8c3c15..1e4658e 100644
--- a/arch/mips/mm/gup.c
+++ b/arch/mips/mm/gup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Lockless get_user_pages_fast for MIPS
  *
diff --git a/arch/mips/mm/highmem.c b/arch/mips/mm/highmem.c
index f13f510..d08e6d7 100644
--- a/arch/mips/mm/highmem.c
+++ b/arch/mips/mm/highmem.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/compiler.h>
 #include <linux/init.h>
 #include <linux/export.h>
diff --git a/arch/mips/mm/sc-ip22.c b/arch/mips/mm/sc-ip22.c
index f293a97..ea059cd 100644
--- a/arch/mips/mm/sc-ip22.c
+++ b/arch/mips/mm/sc-ip22.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * sc-ip22.c: Indy cache management functions.
  *
diff --git a/arch/mips/mm/sc-mips.c b/arch/mips/mm/sc-mips.c
index acfb892..548acb7 100644
--- a/arch/mips/mm/sc-mips.c
+++ b/arch/mips/mm/sc-mips.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2006 Chris Dearman (chris@mips.com),
  */
diff --git a/arch/mips/mm/sc-r5k.c b/arch/mips/mm/sc-r5k.c
index 751b5cd..c7b94c9 100644
--- a/arch/mips/mm/sc-r5k.c
+++ b/arch/mips/mm/sc-r5k.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 1997, 2001 Ralf Baechle (ralf@gnu.org),
  * derived from r4xx0.c by David S. Miller (davem@davemloft.net).
diff --git a/arch/mips/mm/sc-rm7k.c b/arch/mips/mm/sc-rm7k.c
index 78f900c..e9e3777 100644
--- a/arch/mips/mm/sc-rm7k.c
+++ b/arch/mips/mm/sc-rm7k.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * sc-rm7k.c: RM7000 cache management functions.
  *
diff --git a/arch/mips/mm/tlb-r3k.c b/arch/mips/mm/tlb-r3k.c
index 1290b99..6f589e0 100644
--- a/arch/mips/mm/tlb-r3k.c
+++ b/arch/mips/mm/tlb-r3k.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * r2300.c: R2000 and R3000 specific mmu/cache code.
  *
diff --git a/arch/mips/mti-malta/Makefile b/arch/mips/mti-malta/Makefile
index 5827af7..63940bd 100644
--- a/arch/mips/mti-malta/Makefile
+++ b/arch/mips/mti-malta/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Carsten Langgaard, carstenl@mips.com
 # Copyright (C) 1999,2000 MIPS Technologies, Inc.  All rights reserved.
diff --git a/arch/mips/netlogic/Kconfig b/arch/mips/netlogic/Kconfig
index fb00606..8296b13 100644
--- a/arch/mips/netlogic/Kconfig
+++ b/arch/mips/netlogic/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if NLM_XLP_BOARD || NLM_XLR_BOARD
 
 if NLM_XLP_BOARD
diff --git a/arch/mips/netlogic/common/Makefile b/arch/mips/netlogic/common/Makefile
index 362739d..60d00b5 100644
--- a/arch/mips/netlogic/common/Makefile
+++ b/arch/mips/netlogic/common/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-y				+= irq.o time.o
 obj-y				+= nlm-dma.o
 obj-y				+= reset.o
diff --git a/arch/mips/netlogic/xlp/Makefile b/arch/mips/netlogic/xlp/Makefile
index 6b43af0a..d624657 100644
--- a/arch/mips/netlogic/xlp/Makefile
+++ b/arch/mips/netlogic/xlp/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-y				+= setup.o nlm_hal.o cop2-ex.o dt.o
 obj-$(CONFIG_SMP)		+= wakeup.o
 ifdef CONFIG_USB
diff --git a/arch/mips/oprofile/Makefile b/arch/mips/oprofile/Makefile
index 070afdb..011cf9f 100644
--- a/arch/mips/oprofile/Makefile
+++ b/arch/mips/oprofile/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_OPROFILE) += oprofile.o
 
 DRIVER_OBJS = $(addprefix ../../../drivers/oprofile/, \
diff --git a/arch/mips/oprofile/backtrace.c b/arch/mips/oprofile/backtrace.c
index 16ace55..806fb79 100644
--- a/arch/mips/oprofile/backtrace.c
+++ b/arch/mips/oprofile/backtrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/oprofile.h>
 #include <linux/sched.h>
 #include <linux/mm.h>
diff --git a/arch/mips/paravirt/Kconfig b/arch/mips/paravirt/Kconfig
index ecae586..46b110f 100644
--- a/arch/mips/paravirt/Kconfig
+++ b/arch/mips/paravirt/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if MIPS_PARAVIRT
 
 config MIPS_PCI_VIRTIO
diff --git a/arch/mips/pci/Makefile b/arch/mips/pci/Makefile
index 4b82148..8185a2b 100644
--- a/arch/mips/pci/Makefile
+++ b/arch/mips/pci/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the PCI specific kernel interface routines under Linux.
 #
diff --git a/arch/mips/pci/fixup-ip32.c b/arch/mips/pci/fixup-ip32.c
index c6ec18a..d091ffc 100644
--- a/arch/mips/pci/fixup-ip32.c
+++ b/arch/mips/pci/fixup-ip32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/pci.h>
diff --git a/arch/mips/pci/fixup-malta.c b/arch/mips/pci/fixup-malta.c
index 3ec8533..8131e0f 100644
--- a/arch/mips/pci/fixup-malta.c
+++ b/arch/mips/pci/fixup-malta.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/pci.h>
 #include <asm/mips-boards/piix4.h>
diff --git a/arch/mips/pci/ops-loongson3.c b/arch/mips/pci/ops-loongson3.c
index 46ed541a..9e11843 100644
--- a/arch/mips/pci/ops-loongson3.c
+++ b/arch/mips/pci/ops-loongson3.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/pci.h>
 #include <linux/kernel.h>
diff --git a/arch/mips/pci/ops-nile4.c b/arch/mips/pci/ops-nile4.c
index b9d1fd0..b00658d 100644
--- a/arch/mips/pci/ops-nile4.c
+++ b/arch/mips/pci/ops-nile4.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/pci.h>
 #include <asm/bootinfo.h>
diff --git a/arch/mips/pci/pci-alchemy.c b/arch/mips/pci/pci-alchemy.c
index f15ec98..4f2411f 100644
--- a/arch/mips/pci/pci-alchemy.c
+++ b/arch/mips/pci/pci-alchemy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Alchemy PCI host mode support.
  *
diff --git a/arch/mips/pci/pci-bcm63xx.h b/arch/mips/pci/pci-bcm63xx.h
index ffab4da..214def1 100644
--- a/arch/mips/pci/pci-bcm63xx.h
+++ b/arch/mips/pci/pci-bcm63xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef PCI_BCM63XX_H_
 #define PCI_BCM63XX_H_
 
diff --git a/arch/mips/pic32/Kconfig b/arch/mips/pic32/Kconfig
index 527d37d..e284e89 100644
--- a/arch/mips/pic32/Kconfig
+++ b/arch/mips/pic32/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if MACH_PIC32
 
 choice
diff --git a/arch/mips/pistachio/Kconfig b/arch/mips/pistachio/Kconfig
index 97731ea..9a0e06c 100644
--- a/arch/mips/pistachio/Kconfig
+++ b/arch/mips/pistachio/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config PISTACHIO_GPTIMER_CLKSRC
 	bool "Enable General Purpose Timer based clocksource"
 	depends on MACH_PISTACHIO
diff --git a/arch/mips/pmcs-msp71xx/Kconfig b/arch/mips/pmcs-msp71xx/Kconfig
index 4190093..d319bc0 100644
--- a/arch/mips/pmcs-msp71xx/Kconfig
+++ b/arch/mips/pmcs-msp71xx/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 choice
 	prompt "PMC-Sierra MSP SOC type"
 	depends on PMC_MSP
diff --git a/arch/mips/pmcs-msp71xx/Makefile b/arch/mips/pmcs-msp71xx/Makefile
index d4f7220..c040bd6 100644
--- a/arch/mips/pmcs-msp71xx/Makefile
+++ b/arch/mips/pmcs-msp71xx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the PMC-Sierra MSP SOCs
 #
diff --git a/arch/mips/power/hibernate.c b/arch/mips/power/hibernate.c
index 19a9af6..94ab17c 100644
--- a/arch/mips/power/hibernate.c
+++ b/arch/mips/power/hibernate.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <asm/tlbflush.h>
 
 extern int restore_image(void);
diff --git a/arch/mips/ralink/Kconfig b/arch/mips/ralink/Kconfig
index b462708..f26736b 100644
--- a/arch/mips/ralink/Kconfig
+++ b/arch/mips/ralink/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 if RALINK
 
 config CLKEVT_RT3352
diff --git a/arch/mips/rb532/setup.c b/arch/mips/rb532/setup.c
index d0c64e7..1aa4df1 100644
--- a/arch/mips/rb532/setup.c
+++ b/arch/mips/rb532/setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * setup.c - boot time setup code
  */
diff --git a/arch/mips/sgi-ip22/Makefile b/arch/mips/sgi-ip22/Makefile
index 411cda9..45f42fa 100644
--- a/arch/mips/sgi-ip22/Makefile
+++ b/arch/mips/sgi-ip22/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the SGI specific kernel interface routines
 # under Linux.
diff --git a/arch/mips/sgi-ip22/ip22-berr.c b/arch/mips/sgi-ip22/ip22-berr.c
index ff8e193..34bb980 100644
--- a/arch/mips/sgi-ip22/ip22-berr.c
+++ b/arch/mips/sgi-ip22/ip22-berr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ip22-berr.c: Bus error handling.
  *
diff --git a/arch/mips/sgi-ip22/ip22-hpc.c b/arch/mips/sgi-ip22/ip22-hpc.c
index 396956e..49922e86 100644
--- a/arch/mips/sgi-ip22/ip22-hpc.c
+++ b/arch/mips/sgi-ip22/ip22-hpc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ip22-hpc.c: Routines for generic manipulation of the HPC controllers.
  *
diff --git a/arch/mips/sgi-ip22/ip22-int.c b/arch/mips/sgi-ip22/ip22-int.c
index c66889f..3804895 100644
--- a/arch/mips/sgi-ip22/ip22-int.c
+++ b/arch/mips/sgi-ip22/ip22-int.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ip22-int.c: Routines for generic manipulation of the INT[23] ASIC
  *	       found on INDY and Indigo2 workstations.
diff --git a/arch/mips/sgi-ip22/ip22-mc.c b/arch/mips/sgi-ip22/ip22-mc.c
index db5a640..1944d41 100644
--- a/arch/mips/sgi-ip22/ip22-mc.c
+++ b/arch/mips/sgi-ip22/ip22-mc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ip22-mc.c: Routines for manipulating SGI Memory Controller.
  *
diff --git a/arch/mips/sgi-ip22/ip22-nvram.c b/arch/mips/sgi-ip22/ip22-nvram.c
index cc6133b..e727ef5 100644
--- a/arch/mips/sgi-ip22/ip22-nvram.c
+++ b/arch/mips/sgi-ip22/ip22-nvram.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ip22-nvram.c: NVRAM and serial EEPROM handling.
  *
diff --git a/arch/mips/sgi-ip22/ip22-platform.c b/arch/mips/sgi-ip22/ip22-platform.c
index a14fd32..37ad267 100644
--- a/arch/mips/sgi-ip22/ip22-platform.c
+++ b/arch/mips/sgi-ip22/ip22-platform.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/if_ether.h>
 #include <linux/kernel.h>
diff --git a/arch/mips/sgi-ip22/ip22-setup.c b/arch/mips/sgi-ip22/ip22-setup.c
index 8721599..b69daa0 100644
--- a/arch/mips/sgi-ip22/ip22-setup.c
+++ b/arch/mips/sgi-ip22/ip22-setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ip22-setup.c: SGI specific setup, including init of the feature struct.
  *
diff --git a/arch/mips/sgi-ip22/ip28-berr.c b/arch/mips/sgi-ip22/ip28-berr.c
index 75460e1..2ed8e49 100644
--- a/arch/mips/sgi-ip22/ip28-berr.c
+++ b/arch/mips/sgi-ip22/ip28-berr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ip28-berr.c: Bus error handling.
  *
diff --git a/arch/mips/sgi-ip27/Kconfig b/arch/mips/sgi-ip27/Kconfig
index 4d8705a..ef3847e 100644
--- a/arch/mips/sgi-ip27/Kconfig
+++ b/arch/mips/sgi-ip27/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 choice
 	prompt "Node addressing mode"
 	depends on SGI_IP27
diff --git a/arch/mips/sgi-ip27/Makefile b/arch/mips/sgi-ip27/Makefile
index ab4affa..73502fd 100644
--- a/arch/mips/sgi-ip27/Makefile
+++ b/arch/mips/sgi-ip27/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the IP27 specific kernel interface routines under Linux.
 #
diff --git a/arch/mips/sgi-ip27/ip27-irq-pci.c b/arch/mips/sgi-ip27/ip27-irq-pci.c
index 2a1c407..cd449e9 100644
--- a/arch/mips/sgi-ip27/ip27-irq-pci.c
+++ b/arch/mips/sgi-ip27/ip27-irq-pci.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ip27-irq.c: Highlevel interrupt handling for IP27 architecture.
  *
diff --git a/arch/mips/sgi-ip27/ip27-irq.c b/arch/mips/sgi-ip27/ip27-irq.c
index 16ec4e1..0dde616 100644
--- a/arch/mips/sgi-ip27/ip27-irq.c
+++ b/arch/mips/sgi-ip27/ip27-irq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ip27-irq.c: Highlevel interrupt handling for IP27 architecture.
  *
diff --git a/arch/mips/sgi-ip27/ip27-klconfig.c b/arch/mips/sgi-ip27/ip27-klconfig.c
index c873d62..41171ff 100644
--- a/arch/mips/sgi-ip27/ip27-klconfig.c
+++ b/arch/mips/sgi-ip27/ip27-klconfig.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 1999, 2000 Ralf Baechle (ralf@gnu.org)
  * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
diff --git a/arch/mips/sgi-ip27/ip27-klnuma.c b/arch/mips/sgi-ip27/ip27-klnuma.c
index 2beb039..a4f0132 100644
--- a/arch/mips/sgi-ip27/ip27-klnuma.c
+++ b/arch/mips/sgi-ip27/ip27-klnuma.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Ported from IRIX to Linux by Kanoj Sarcar, 06/08/00.
  * Copyright 2000 - 2001 Silicon Graphics, Inc.
diff --git a/arch/mips/sgi-ip27/ip27-nmi.c b/arch/mips/sgi-ip27/ip27-nmi.c
index cfceaea..8ac2bfa 100644
--- a/arch/mips/sgi-ip27/ip27-nmi.c
+++ b/arch/mips/sgi-ip27/ip27-nmi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/mmzone.h>
 #include <linux/nodemask.h>
diff --git a/arch/mips/sgi-ip27/ip27-timer.c b/arch/mips/sgi-ip27/ip27-timer.c
index a53f0c8..9d55247 100644
--- a/arch/mips/sgi-ip27/ip27-timer.c
+++ b/arch/mips/sgi-ip27/ip27-timer.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copytight (C) 1999, 2000, 05, 06 Ralf Baechle (ralf@linux-mips.org)
  * Copytight (C) 1999, 2000 Silicon Graphics, Inc.
diff --git a/arch/mips/sibyte/Kconfig b/arch/mips/sibyte/Kconfig
index 707b884..f4dbce2 100644
--- a/arch/mips/sibyte/Kconfig
+++ b/arch/mips/sibyte/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config SIBYTE_SB1250
 	bool
 	select CEVT_SB1250
diff --git a/arch/mips/sibyte/Makefile b/arch/mips/sibyte/Makefile
index 455c40d..d015c4d 100644
--- a/arch/mips/sibyte/Makefile
+++ b/arch/mips/sibyte/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Sibyte SB1250 / BCM1480 family of SOCs
 #
diff --git a/arch/mips/sibyte/common/cfe_console.c b/arch/mips/sibyte/common/cfe_console.c
index 1ad2da1..8af7b41 100644
--- a/arch/mips/sibyte/common/cfe_console.c
+++ b/arch/mips/sibyte/common/cfe_console.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/init.h>
 #include <linux/errno.h>
 #include <linux/console.h>
diff --git a/arch/mips/sibyte/swarm/platform.c b/arch/mips/sibyte/swarm/platform.c
index 1cecdcf..484969d 100644
--- a/arch/mips/sibyte/swarm/platform.c
+++ b/arch/mips/sibyte/swarm/platform.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/err.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
diff --git a/arch/mips/sni/reset.c b/arch/mips/sni/reset.c
index 6afa343..66f963d 100644
--- a/arch/mips/sni/reset.c
+++ b/arch/mips/sni/reset.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  linux/arch/mips/sni/process.c
  *
diff --git a/arch/mips/sni/time.c b/arch/mips/sni/time.c
index 7ee14f4..0eb7d1e 100644
--- a/arch/mips/sni/time.c
+++ b/arch/mips/sni/time.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/types.h>
 #include <linux/i8253.h>
 #include <linux/interrupt.h>
diff --git a/arch/mips/txx9/Kconfig b/arch/mips/txx9/Kconfig
index 4292347..d2509c9 100644
--- a/arch/mips/txx9/Kconfig
+++ b/arch/mips/txx9/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 config MACH_TX39XX
 	bool
 	select MACH_TXX9
diff --git a/arch/mips/txx9/Makefile b/arch/mips/txx9/Makefile
index 34787dab..1952959 100644
--- a/arch/mips/txx9/Makefile
+++ b/arch/mips/txx9/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Common TXx9
 #
diff --git a/arch/mips/txx9/generic/Makefile b/arch/mips/txx9/generic/Makefile
index 1863c16..6d00580 100644
--- a/arch/mips/txx9/generic/Makefile
+++ b/arch/mips/txx9/generic/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for common code for TXx9 based systems
 #
diff --git a/arch/mips/vdso/Makefile b/arch/mips/vdso/Makefile
index b47d2a4..ce196046 100644
--- a/arch/mips/vdso/Makefile
+++ b/arch/mips/vdso/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Objects to go into the VDSO.
 obj-vdso-y := elf.o gettimeofday.o sigreturn.o
 
diff --git a/arch/mips/vr41xx/Kconfig b/arch/mips/vr41xx/Kconfig
index 74927b4..992c988 100644
--- a/arch/mips/vr41xx/Kconfig
+++ b/arch/mips/vr41xx/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 choice
 	prompt "Machine type"
 	depends on MACH_VR41XX
diff --git a/arch/mips/xilfpga/Kconfig b/arch/mips/xilfpga/Kconfig
index 42a030a..ca7b236 100644
--- a/arch/mips/xilfpga/Kconfig
+++ b/arch/mips/xilfpga/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 choice
 	prompt "Machine type"
 	depends on MACH_XILFPGA