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-rw-r--r--arch/arm/Kconfig1
-rw-r--r--arch/arm/Kconfig-nommu1
-rw-r--r--arch/arm/Kconfig.debug1
-rw-r--r--arch/arm/boot/bootp/Makefile1
-rw-r--r--arch/arm/boot/bootp/initrd.S1
-rw-r--r--arch/arm/boot/bootp/kernel.S1
-rw-r--r--arch/arm/boot/compressed/Makefile1
-rw-r--r--arch/arm/boot/compressed/atags_to_fdt.c1
-rw-r--r--arch/arm/boot/compressed/big-endian.S1
-rw-r--r--arch/arm/boot/compressed/debug.S1
-rw-r--r--arch/arm/boot/compressed/decompress.c1
-rw-r--r--arch/arm/boot/compressed/head-sa1100.S1
-rw-r--r--arch/arm/boot/compressed/head-sharpsl.S1
-rw-r--r--arch/arm/boot/compressed/head-xscale.S1
-rw-r--r--arch/arm/boot/compressed/libfdt_env.h1
-rw-r--r--arch/arm/boot/compressed/misc.c1
-rw-r--r--arch/arm/boot/compressed/piggy.S1
-rw-r--r--arch/arm/boot/compressed/string.c1
-rw-r--r--arch/arm/boot/dts/Makefile1
-rw-r--r--arch/arm/boot/dts/am57xx-commercial-grade.dtsi1
-rw-r--r--arch/arm/boot/dts/am57xx-industrial-grade.dtsi1
-rw-r--r--arch/arm/boot/dts/armv7-m.dtsi1
-rw-r--r--arch/arm/boot/dts/aspeed-ast2500-evb.dts1
-rw-r--r--arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts1
-rw-r--r--arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts1
-rw-r--r--arch/arm/boot/dts/aspeed-g4.dtsi1
-rw-r--r--arch/arm/boot/dts/aspeed-g5.dtsi1
-rw-r--r--arch/arm/boot/dts/at91-ariettag25.dts1
-rw-r--r--arch/arm/boot/dts/bcm2835-rpi-a-plus.dts1
-rw-r--r--arch/arm/boot/dts/bcm2835-rpi-a.dts1
-rw-r--r--arch/arm/boot/dts/bcm2835-rpi-b-plus.dts1
-rw-r--r--arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts1
-rw-r--r--arch/arm/boot/dts/bcm2835-rpi-b.dts1
-rw-r--r--arch/arm/boot/dts/bcm2835.dtsi1
-rw-r--r--arch/arm/boot/dts/bcm2836-rpi-2-b.dts1
-rw-r--r--arch/arm/boot/dts/bcm2836.dtsi1
-rw-r--r--arch/arm/boot/dts/bcm2837-rpi-3-b.dts1
-rw-r--r--arch/arm/boot/dts/bcm283x-rpi-smsc9512.dtsi1
-rw-r--r--arch/arm/boot/dts/bcm283x-rpi-usb-otg.dtsi1
-rw-r--r--arch/arm/boot/dts/bcm63138.dtsi1
-rw-r--r--arch/arm/boot/dts/bcm7445-bcm97445svmb.dts1
-rw-r--r--arch/arm/boot/dts/bcm7445.dtsi1
-rw-r--r--arch/arm/boot/dts/bcm963138dvt.dts1
-rw-r--r--arch/arm/boot/dts/dove-cubox-es.dts1
-rw-r--r--arch/arm/boot/dts/dove-cubox.dts1
-rw-r--r--arch/arm/boot/dts/dove-d2plug.dts1
-rw-r--r--arch/arm/boot/dts/dove-d3plug.dts1
-rw-r--r--arch/arm/boot/dts/dove-dove-db.dts1
-rw-r--r--arch/arm/boot/dts/dove.dtsi1
-rw-r--r--arch/arm/boot/dts/efm32gg-dk3750.dts1
-rw-r--r--arch/arm/boot/dts/efm32gg.dtsi1
-rw-r--r--arch/arm/boot/dts/elpida_ecb240abacn.dtsi1
-rw-r--r--arch/arm/boot/dts/gemini-nas4220b.dts1
-rw-r--r--arch/arm/boot/dts/gemini-rut1xx.dts1
-rw-r--r--arch/arm/boot/dts/gemini-sq201.dts1
-rw-r--r--arch/arm/boot/dts/gemini-wbd111.dts1
-rw-r--r--arch/arm/boot/dts/gemini-wbd222.dts1
-rw-r--r--arch/arm/boot/dts/gemini.dtsi1
-rw-r--r--arch/arm/boot/dts/imx28-apx4devkit.dts1
-rw-r--r--arch/arm/boot/dts/imx6qdl-dfi-fs700-m60.dtsi1
-rw-r--r--arch/arm/boot/dts/integrator.dtsi1
-rw-r--r--arch/arm/boot/dts/integratorap.dts1
-rw-r--r--arch/arm/boot/dts/integratorcp.dts1
-rw-r--r--arch/arm/boot/dts/kirkwood-6192.dtsi1
-rw-r--r--arch/arm/boot/dts/kirkwood-6281.dtsi1
-rw-r--r--arch/arm/boot/dts/kirkwood-6282.dtsi1
-rw-r--r--arch/arm/boot/dts/kirkwood-98dx4122.dtsi1
-rw-r--r--arch/arm/boot/dts/kirkwood-cloudbox.dts1
-rw-r--r--arch/arm/boot/dts/kirkwood-dns320.dts1
-rw-r--r--arch/arm/boot/dts/kirkwood-dns325.dts1
-rw-r--r--arch/arm/boot/dts/kirkwood-dnskw.dtsi1
-rw-r--r--arch/arm/boot/dts/kirkwood-dockstar.dts1
-rw-r--r--arch/arm/boot/dts/kirkwood-dreamplug.dts1
-rw-r--r--arch/arm/boot/dts/kirkwood-goflexnet.dts1
-rw-r--r--arch/arm/boot/dts/kirkwood-guruplug-server-plus.dts1
-rw-r--r--arch/arm/boot/dts/kirkwood-ib62x0.dts1
-rw-r--r--arch/arm/boot/dts/kirkwood-iconnect.dts1
-rw-r--r--arch/arm/boot/dts/kirkwood-iomega_ix2_200.dts1
-rw-r--r--arch/arm/boot/dts/kirkwood-is2.dts1
-rw-r--r--arch/arm/boot/dts/kirkwood-km_common.dtsi1
-rw-r--r--arch/arm/boot/dts/kirkwood-km_fixedeth.dts1
-rw-r--r--arch/arm/boot/dts/kirkwood-km_kirkwood.dts1
-rw-r--r--arch/arm/boot/dts/kirkwood-lschlv2.dts1
-rw-r--r--arch/arm/boot/dts/kirkwood-lsxhl.dts1
-rw-r--r--arch/arm/boot/dts/kirkwood-lsxl.dtsi1
-rw-r--r--arch/arm/boot/dts/kirkwood-mplcec4.dts1
-rw-r--r--arch/arm/boot/dts/kirkwood-ns2-common.dtsi1
-rw-r--r--arch/arm/boot/dts/kirkwood-ns2.dts1
-rw-r--r--arch/arm/boot/dts/kirkwood-ns2lite.dts1
-rw-r--r--arch/arm/boot/dts/kirkwood-ns2max.dts1
-rw-r--r--arch/arm/boot/dts/kirkwood-ns2mini.dts1
-rw-r--r--arch/arm/boot/dts/kirkwood-nsa310.dts1
-rw-r--r--arch/arm/boot/dts/kirkwood-nsa310a.dts1
-rw-r--r--arch/arm/boot/dts/kirkwood-nsa3x0-common.dtsi1
-rw-r--r--arch/arm/boot/dts/kirkwood-openblocks_a6.dts1
-rw-r--r--arch/arm/boot/dts/kirkwood-pogoplug-series-4.dts1
-rw-r--r--arch/arm/boot/dts/kirkwood-topkick.dts1
-rw-r--r--arch/arm/boot/dts/kirkwood-ts219-6281.dts1
-rw-r--r--arch/arm/boot/dts/kirkwood-ts219-6282.dts1
-rw-r--r--arch/arm/boot/dts/kirkwood-ts219.dtsi1
-rw-r--r--arch/arm/boot/dts/kirkwood.dtsi1
-rw-r--r--arch/arm/boot/dts/omap-gpmc-smsc911x.dtsi1
-rw-r--r--arch/arm/boot/dts/omap-gpmc-smsc9221.dtsi1
-rw-r--r--arch/arm/boot/dts/omap-zoom-common.dtsi1
-rw-r--r--arch/arm/boot/dts/omap2420-n800.dts1
-rw-r--r--arch/arm/boot/dts/omap2420-n810-wimax.dts1
-rw-r--r--arch/arm/boot/dts/omap2420-n810.dts1
-rw-r--r--arch/arm/boot/dts/omap2420-n8x0-common.dtsi1
-rw-r--r--arch/arm/boot/dts/omap3-cm-t3517.dts1
-rw-r--r--arch/arm/boot/dts/omap3-cm-t3530.dts1
-rw-r--r--arch/arm/boot/dts/omap3-cm-t3730.dts1
-rw-r--r--arch/arm/boot/dts/omap3-cm-t3x.dtsi1
-rw-r--r--arch/arm/boot/dts/omap3-cm-t3x30.dtsi1
-rw-r--r--arch/arm/boot/dts/omap3-evm-common.dtsi1
-rw-r--r--arch/arm/boot/dts/omap3-panel-sharp-ls037v7dw01.dtsi1
-rw-r--r--arch/arm/boot/dts/omap3-sb-t35.dtsi1
-rw-r--r--arch/arm/boot/dts/omap3-sbc-t3517.dts1
-rw-r--r--arch/arm/boot/dts/omap3-sbc-t3530.dts1
-rw-r--r--arch/arm/boot/dts/omap3-sbc-t3730.dts1
-rw-r--r--arch/arm/boot/dts/omap5-cm-t54.dts1
-rw-r--r--arch/arm/boot/dts/omap5-sbc-t54.dts1
-rw-r--r--arch/arm/boot/dts/pxa27x.dtsi1
-rw-r--r--arch/arm/boot/dts/pxa3xx.dtsi1
-rw-r--r--arch/arm/boot/dts/qcom-apq8064-arrow-sd-600eval-pins.dtsi1
-rw-r--r--arch/arm/boot/dts/qcom-apq8064-arrow-sd-600eval.dts1
-rw-r--r--arch/arm/boot/dts/qcom-apq8064-asus-nexus7-flo.dts1
-rw-r--r--arch/arm/boot/dts/qcom-apq8064-cm-qs600.dts1
-rw-r--r--arch/arm/boot/dts/qcom-apq8064-ifc6410.dts1
-rw-r--r--arch/arm/boot/dts/qcom-apq8064-pins.dtsi1
-rw-r--r--arch/arm/boot/dts/qcom-apq8064-sony-xperia-yuga.dts1
-rw-r--r--arch/arm/boot/dts/qcom-apq8064-v2.0.dtsi1
-rw-r--r--arch/arm/boot/dts/qcom-apq8064.dtsi1
-rw-r--r--arch/arm/boot/dts/qcom-apq8074-dragonboard.dts1
-rw-r--r--arch/arm/boot/dts/qcom-apq8084-ifc6540.dts1
-rw-r--r--arch/arm/boot/dts/qcom-apq8084-mtp.dts1
-rw-r--r--arch/arm/boot/dts/qcom-apq8084.dtsi1
-rw-r--r--arch/arm/boot/dts/qcom-ipq8064-ap148.dts1
-rw-r--r--arch/arm/boot/dts/qcom-ipq8064-v1.0.dtsi1
-rw-r--r--arch/arm/boot/dts/qcom-ipq8064.dtsi1
-rw-r--r--arch/arm/boot/dts/qcom-msm8660-surf.dts1
-rw-r--r--arch/arm/boot/dts/qcom-msm8660.dtsi1
-rw-r--r--arch/arm/boot/dts/qcom-msm8960-cdp.dts1
-rw-r--r--arch/arm/boot/dts/qcom-msm8960.dtsi1
-rw-r--r--arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts1
-rw-r--r--arch/arm/boot/dts/qcom-msm8974-sony-xperia-honami.dts1
-rw-r--r--arch/arm/boot/dts/qcom-msm8974.dtsi1
-rw-r--r--arch/arm/boot/dts/qcom-pm8841.dtsi1
-rw-r--r--arch/arm/boot/dts/qcom-pm8941.dtsi1
-rw-r--r--arch/arm/boot/dts/qcom-pma8084.dtsi1
-rw-r--r--arch/arm/boot/dts/sama5d2-pinfunc.h1
-rw-r--r--arch/arm/boot/dts/samsung_k3pe0e000b.dtsi1
-rw-r--r--arch/arm/boot/dts/skeleton.dtsi1
-rw-r--r--arch/arm/boot/dts/skeleton64.dtsi1
-rw-r--r--arch/arm/boot/dts/st-pincfg.h1
-rw-r--r--arch/arm/boot/dts/ste-nomadik-nhk15.dts1
-rw-r--r--arch/arm/boot/dts/ste-nomadik-s8815.dts1
-rw-r--r--arch/arm/boot/dts/ste-nomadik-stn8815.dtsi1
-rw-r--r--arch/arm/boot/dts/ste-u300.dts1
-rw-r--r--arch/arm/boot/dts/tango4-common.dtsi1
-rw-r--r--arch/arm/boot/dts/tango4-smp8758.dtsi1
-rw-r--r--arch/arm/boot/dts/tango4-vantage-1172.dts1
-rw-r--r--arch/arm/boot/dts/tegra114-dalmore.dts1
-rw-r--r--arch/arm/boot/dts/tegra114-roth.dts1
-rw-r--r--arch/arm/boot/dts/tegra114-tn7.dts1
-rw-r--r--arch/arm/boot/dts/tegra114.dtsi1
-rw-r--r--arch/arm/boot/dts/tegra124-jetson-tk1-emc.dtsi1
-rw-r--r--arch/arm/boot/dts/tegra124-jetson-tk1.dts1
-rw-r--r--arch/arm/boot/dts/tegra124-nyan-big-emc.dtsi1
-rw-r--r--arch/arm/boot/dts/tegra124-nyan-big.dts1
-rw-r--r--arch/arm/boot/dts/tegra124-nyan-blaze-emc.dtsi1
-rw-r--r--arch/arm/boot/dts/tegra124-nyan-blaze.dts1
-rw-r--r--arch/arm/boot/dts/tegra124-nyan.dtsi1
-rw-r--r--arch/arm/boot/dts/tegra124-venice2.dts1
-rw-r--r--arch/arm/boot/dts/tegra124.dtsi1
-rw-r--r--arch/arm/boot/dts/tegra20-colibri-512.dtsi1
-rw-r--r--arch/arm/boot/dts/tegra20-harmony.dts1
-rw-r--r--arch/arm/boot/dts/tegra20-iris-512.dts1
-rw-r--r--arch/arm/boot/dts/tegra20-medcom-wide.dts1
-rw-r--r--arch/arm/boot/dts/tegra20-paz00.dts1
-rw-r--r--arch/arm/boot/dts/tegra20-plutux.dts1
-rw-r--r--arch/arm/boot/dts/tegra20-seaboard.dts1
-rw-r--r--arch/arm/boot/dts/tegra20-tamonten.dtsi1
-rw-r--r--arch/arm/boot/dts/tegra20-tec.dts1
-rw-r--r--arch/arm/boot/dts/tegra20-trimslice.dts1
-rw-r--r--arch/arm/boot/dts/tegra20-ventana.dts1
-rw-r--r--arch/arm/boot/dts/tegra20.dtsi1
-rw-r--r--arch/arm/boot/dts/tegra30-apalis-eval.dts1
-rw-r--r--arch/arm/boot/dts/tegra30-apalis.dtsi1
-rw-r--r--arch/arm/boot/dts/tegra30-beaver.dts1
-rw-r--r--arch/arm/boot/dts/tegra30-cardhu-a02.dts1
-rw-r--r--arch/arm/boot/dts/tegra30-cardhu-a04.dts1
-rw-r--r--arch/arm/boot/dts/tegra30-cardhu.dtsi1
-rw-r--r--arch/arm/boot/dts/tegra30-colibri-eval-v3.dts1
-rw-r--r--arch/arm/boot/dts/tegra30-colibri.dtsi1
-rw-r--r--arch/arm/boot/dts/tegra30.dtsi1
-rw-r--r--arch/arm/boot/dts/versatile-ab.dts1
-rw-r--r--arch/arm/boot/dts/versatile-pb.dts1
-rw-r--r--arch/arm/boot/dts/vexpress-v2m.dtsi1
-rw-r--r--arch/arm/boot/dts/vexpress-v2p-ca15-tc1.dts1
-rw-r--r--arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts1
-rw-r--r--arch/arm/boot/dts/vexpress-v2p-ca5s.dts1
-rw-r--r--arch/arm/boot/dts/vexpress-v2p-ca9.dts1
-rw-r--r--arch/arm/boot/dts/xenvm-4.2.dts1
-rw-r--r--arch/arm/boot/dts/zx296702-ad1.dts1
-rw-r--r--arch/arm/boot/dts/zx296702.dtsi1
-rw-r--r--arch/arm/common/Kconfig1
-rw-r--r--arch/arm/common/Makefile1
-rw-r--r--arch/arm/crypto/Kconfig1
-rw-r--r--arch/arm/crypto/Makefile1
-rw-r--r--arch/arm/crypto/sha1.h1
-rw-r--r--arch/arm/crypto/sha256_glue.h1
-rw-r--r--arch/arm/crypto/sha512.h1
-rw-r--r--arch/arm/include/asm/arch_timer.h1
-rw-r--r--arch/arm/include/asm/barrier.h1
-rw-r--r--arch/arm/include/asm/bitops.h1
-rw-r--r--arch/arm/include/asm/bitrev.h1
-rw-r--r--arch/arm/include/asm/bug.h1
-rw-r--r--arch/arm/include/asm/cache.h1
-rw-r--r--arch/arm/include/asm/cachetype.h1
-rw-r--r--arch/arm/include/asm/checksum.h1
-rw-r--r--arch/arm/include/asm/cmpxchg.h1
-rw-r--r--arch/arm/include/asm/compiler.h1
-rw-r--r--arch/arm/include/asm/cp15.h1
-rw-r--r--arch/arm/include/asm/cpuidle.h1
-rw-r--r--arch/arm/include/asm/cputype.h1
-rw-r--r--arch/arm/include/asm/cti.h1
-rw-r--r--arch/arm/include/asm/delay.h1
-rw-r--r--arch/arm/include/asm/div64.h1
-rw-r--r--arch/arm/include/asm/dma-contiguous.h1
-rw-r--r--arch/arm/include/asm/dma-iommu.h1
-rw-r--r--arch/arm/include/asm/dma-mapping.h1
-rw-r--r--arch/arm/include/asm/dma.h1
-rw-r--r--arch/arm/include/asm/ecard.h1
-rw-r--r--arch/arm/include/asm/elf.h1
-rw-r--r--arch/arm/include/asm/entry-macro-multi.S1
-rw-r--r--arch/arm/include/asm/exception.h1
-rw-r--r--arch/arm/include/asm/fiq.h1
-rw-r--r--arch/arm/include/asm/fixmap.h1
-rw-r--r--arch/arm/include/asm/flat.h1
-rw-r--r--arch/arm/include/asm/ftrace.h1
-rw-r--r--arch/arm/include/asm/futex.h1
-rw-r--r--arch/arm/include/asm/gpio.h1
-rw-r--r--arch/arm/include/asm/hardirq.h1
-rw-r--r--arch/arm/include/asm/hardware/it8152.h1
-rw-r--r--arch/arm/include/asm/hardware/sa1111.h1
-rw-r--r--arch/arm/include/asm/highmem.h1
-rw-r--r--arch/arm/include/asm/hw_breakpoint.h1
-rw-r--r--arch/arm/include/asm/hw_irq.h1
-rw-r--r--arch/arm/include/asm/hwcap.h1
-rw-r--r--arch/arm/include/asm/hypervisor.h1
-rw-r--r--arch/arm/include/asm/ide.h1
-rw-r--r--arch/arm/include/asm/idmap.h1
-rw-r--r--arch/arm/include/asm/insn.h1
-rw-r--r--arch/arm/include/asm/irq.h1
-rw-r--r--arch/arm/include/asm/irq_work.h1
-rw-r--r--arch/arm/include/asm/irqflags.h1
-rw-r--r--arch/arm/include/asm/jump_label.h1
-rw-r--r--arch/arm/include/asm/kexec.h1
-rw-r--r--arch/arm/include/asm/kgdb.h1
-rw-r--r--arch/arm/include/asm/kmap_types.h1
-rw-r--r--arch/arm/include/asm/limits.h1
-rw-r--r--arch/arm/include/asm/linkage.h1
-rw-r--r--arch/arm/include/asm/mc146818rtc.h1
-rw-r--r--arch/arm/include/asm/mcs_spinlock.h1
-rw-r--r--arch/arm/include/asm/memblock.h1
-rw-r--r--arch/arm/include/asm/mmu.h1
-rw-r--r--arch/arm/include/asm/module.h1
-rw-r--r--arch/arm/include/asm/mpu.h1
-rw-r--r--arch/arm/include/asm/nwflash.h1
-rw-r--r--arch/arm/include/asm/paravirt.h1
-rw-r--r--arch/arm/include/asm/patch.h1
-rw-r--r--arch/arm/include/asm/pci.h1
-rw-r--r--arch/arm/include/asm/sections.h1
-rw-r--r--arch/arm/include/asm/shmparam.h1
-rw-r--r--arch/arm/include/asm/signal.h1
-rw-r--r--arch/arm/include/asm/smp_plat.h1
-rw-r--r--arch/arm/include/asm/smp_scu.h1
-rw-r--r--arch/arm/include/asm/smp_twd.h1
-rw-r--r--arch/arm/include/asm/sparsemem.h1
-rw-r--r--arch/arm/include/asm/spinlock.h1
-rw-r--r--arch/arm/include/asm/spinlock_types.h1
-rw-r--r--arch/arm/include/asm/stackprotector.h1
-rw-r--r--arch/arm/include/asm/stacktrace.h1
-rw-r--r--arch/arm/include/asm/string.h1
-rw-r--r--arch/arm/include/asm/suspend.h1
-rw-r--r--arch/arm/include/asm/swab.h1
-rw-r--r--arch/arm/include/asm/switch_to.h1
-rw-r--r--arch/arm/include/asm/sync_bitops.h1
-rw-r--r--arch/arm/include/asm/syscall.h1
-rw-r--r--arch/arm/include/asm/system_info.h1
-rw-r--r--arch/arm/include/asm/system_misc.h1
-rw-r--r--arch/arm/include/asm/therm.h1
-rw-r--r--arch/arm/include/asm/tls.h1
-rw-r--r--arch/arm/include/asm/topology.h1
-rw-r--r--arch/arm/include/asm/traps.h1
-rw-r--r--arch/arm/include/asm/ucontext.h1
-rw-r--r--arch/arm/include/asm/user.h1
-rw-r--r--arch/arm/include/asm/v7m.h1
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-rw-r--r--arch/arm/probes/Makefile1
-rw-r--r--arch/arm/probes/kprobes/Makefile1
-rw-r--r--arch/arm/tools/Makefile1
-rw-r--r--arch/arm/tools/gen-mach-types1
-rw-r--r--arch/arm/tools/syscallhdr.sh1
-rw-r--r--arch/arm/tools/syscallnr.sh1
-rw-r--r--arch/arm/tools/syscalltbl.sh1
-rw-r--r--arch/arm/vdso/Makefile1
-rw-r--r--arch/arm/vdso/datapage.S1
629 files changed, 629 insertions, 0 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 7888c9803eb0..d1346a160760 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
config ARM
bool
default y
diff --git a/arch/arm/Kconfig-nommu b/arch/arm/Kconfig-nommu
index b7576349528c..22f34c423be6 100644
--- a/arch/arm/Kconfig-nommu
+++ b/arch/arm/Kconfig-nommu
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Kconfig for uClinux(non-paged MM) depend configurations
# Hyok S. Choi <hyok.choi@samsung.com>
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 6dcea8e8e941..954ba8b81052 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
menu "Kernel hacking"
source "lib/Kconfig.debug"
diff --git a/arch/arm/boot/bootp/Makefile b/arch/arm/boot/bootp/Makefile
index 5e4acd253b30..83e1a076a5d6 100644
--- a/arch/arm/boot/bootp/Makefile
+++ b/arch/arm/boot/bootp/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# linux/arch/arm/boot/bootp/Makefile
#
diff --git a/arch/arm/boot/bootp/initrd.S b/arch/arm/boot/bootp/initrd.S
index d81ea183785c..dd3d04971c42 100644
--- a/arch/arm/boot/bootp/initrd.S
+++ b/arch/arm/boot/bootp/initrd.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
.type initrd_start,#object
.globl initrd_start
initrd_start:
diff --git a/arch/arm/boot/bootp/kernel.S b/arch/arm/boot/bootp/kernel.S
index b87a25c7ef88..dc6236c173d2 100644
--- a/arch/arm/boot/bootp/kernel.S
+++ b/arch/arm/boot/bootp/kernel.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
.globl kernel_start
kernel_start:
.incbin "arch/arm/boot/zImage"
diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
index d50430c40045..a5889238fc9f 100644
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# linux/arch/arm/boot/compressed/Makefile
#
diff --git a/arch/arm/boot/compressed/atags_to_fdt.c b/arch/arm/boot/compressed/atags_to_fdt.c
index 9448aa0c6686..41fa7316c52b 100644
--- a/arch/arm/boot/compressed/atags_to_fdt.c
+++ b/arch/arm/boot/compressed/atags_to_fdt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <asm/setup.h>
#include <libfdt.h>
diff --git a/arch/arm/boot/compressed/big-endian.S b/arch/arm/boot/compressed/big-endian.S
index 25ab26f1c6f0..88e2a88d324b 100644
--- a/arch/arm/boot/compressed/big-endian.S
+++ b/arch/arm/boot/compressed/big-endian.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* linux/arch/arm/boot/compressed/big-endian.S
*
diff --git a/arch/arm/boot/compressed/debug.S b/arch/arm/boot/compressed/debug.S
index 8f6e37177de1..6bf2917a4621 100644
--- a/arch/arm/boot/compressed/debug.S
+++ b/arch/arm/boot/compressed/debug.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/linkage.h>
#include <asm/assembler.h>
diff --git a/arch/arm/boot/compressed/decompress.c b/arch/arm/boot/compressed/decompress.c
index f3a4bedd1afc..a2ac3fe7dbf8 100644
--- a/arch/arm/boot/compressed/decompress.c
+++ b/arch/arm/boot/compressed/decompress.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#define _LINUX_STRING_H_
#include <linux/compiler.h> /* for inline */
diff --git a/arch/arm/boot/compressed/head-sa1100.S b/arch/arm/boot/compressed/head-sa1100.S
index 3115e313d9f6..95abdd850fe3 100644
--- a/arch/arm/boot/compressed/head-sa1100.S
+++ b/arch/arm/boot/compressed/head-sa1100.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* linux/arch/arm/boot/compressed/head-sa1100.S
*
diff --git a/arch/arm/boot/compressed/head-sharpsl.S b/arch/arm/boot/compressed/head-sharpsl.S
index eb0084ea1ec4..992e784500fa 100644
--- a/arch/arm/boot/compressed/head-sharpsl.S
+++ b/arch/arm/boot/compressed/head-sharpsl.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* linux/arch/arm/boot/compressed/head-sharpsl.S
*
diff --git a/arch/arm/boot/compressed/head-xscale.S b/arch/arm/boot/compressed/head-xscale.S
index 6ab0599c02dd..20fa44d59f82 100644
--- a/arch/arm/boot/compressed/head-xscale.S
+++ b/arch/arm/boot/compressed/head-xscale.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* linux/arch/arm/boot/compressed/head-xscale.S
*
diff --git a/arch/arm/boot/compressed/libfdt_env.h b/arch/arm/boot/compressed/libfdt_env.h
index 17ae0f3efac8..07437816e098 100644
--- a/arch/arm/boot/compressed/libfdt_env.h
+++ b/arch/arm/boot/compressed/libfdt_env.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ARM_LIBFDT_ENV_H
#define _ARM_LIBFDT_ENV_H
diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c
index d4f891f56996..16a8a804e958 100644
--- a/arch/arm/boot/compressed/misc.c
+++ b/arch/arm/boot/compressed/misc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* misc.c
*
diff --git a/arch/arm/boot/compressed/piggy.S b/arch/arm/boot/compressed/piggy.S
index f72088495f43..0284f84dcf38 100644
--- a/arch/arm/boot/compressed/piggy.S
+++ b/arch/arm/boot/compressed/piggy.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
.section .piggydata,#alloc
.globl input_data
input_data:
diff --git a/arch/arm/boot/compressed/string.c b/arch/arm/boot/compressed/string.c
index 689467448736..309e1bbad75d 100644
--- a/arch/arm/boot/compressed/string.c
+++ b/arch/arm/boot/compressed/string.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* arch/arm/boot/compressed/string.c
*
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index faf46abaa4a2..eff87a344566 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
ifeq ($(CONFIG_OF),y)
dtb-$(CONFIG_ARCH_ALPINE) += \
diff --git a/arch/arm/boot/dts/am57xx-commercial-grade.dtsi b/arch/arm/boot/dts/am57xx-commercial-grade.dtsi
index c183654464e9..3eed6e09c884 100644
--- a/arch/arm/boot/dts/am57xx-commercial-grade.dtsi
+++ b/arch/arm/boot/dts/am57xx-commercial-grade.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
&cpu_alert0 {
temperature = <80000>; /* milliCelsius */
};
diff --git a/arch/arm/boot/dts/am57xx-industrial-grade.dtsi b/arch/arm/boot/dts/am57xx-industrial-grade.dtsi
index 70c8c4ba1933..422f953fc8d8 100644
--- a/arch/arm/boot/dts/am57xx-industrial-grade.dtsi
+++ b/arch/arm/boot/dts/am57xx-industrial-grade.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
&cpu_alert0 {
temperature = <90000>; /* milliCelsius */
};
diff --git a/arch/arm/boot/dts/armv7-m.dtsi b/arch/arm/boot/dts/armv7-m.dtsi
index ba332e399be4..26f5443d85e1 100644
--- a/arch/arm/boot/dts/armv7-m.dtsi
+++ b/arch/arm/boot/dts/armv7-m.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/ {
nvic: interrupt-controller@e000e100 {
compatible = "arm,armv7m-nvic";
diff --git a/arch/arm/boot/dts/aspeed-ast2500-evb.dts b/arch/arm/boot/dts/aspeed-ast2500-evb.dts
index 7c90dac99822..f53e89d63477 100644
--- a/arch/arm/boot/dts/aspeed-ast2500-evb.dts
+++ b/arch/arm/boot/dts/aspeed-ast2500-evb.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "aspeed-g5.dtsi"
diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts b/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts
index 112551766275..e1b523bd5b8b 100644
--- a/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "aspeed-g4.dtsi"
diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts b/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts
index 1190fec1b5d0..6dd77cba191c 100644
--- a/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "aspeed-g5.dtsi"
diff --git a/arch/arm/boot/dts/aspeed-g4.dtsi b/arch/arm/boot/dts/aspeed-g4.dtsi
index 22b958537d31..fcc5efbd0879 100644
--- a/arch/arm/boot/dts/aspeed-g4.dtsi
+++ b/arch/arm/boot/dts/aspeed-g4.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include "skeleton.dtsi"
/ {
diff --git a/arch/arm/boot/dts/aspeed-g5.dtsi b/arch/arm/boot/dts/aspeed-g5.dtsi
index 9cffe347b828..eab8f549a6fe 100644
--- a/arch/arm/boot/dts/aspeed-g5.dtsi
+++ b/arch/arm/boot/dts/aspeed-g5.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include "skeleton.dtsi"
/ {
diff --git a/arch/arm/boot/dts/at91-ariettag25.dts b/arch/arm/boot/dts/at91-ariettag25.dts
index c514502081d2..21c5b56c92e0 100644
--- a/arch/arm/boot/dts/at91-ariettag25.dts
+++ b/arch/arm/boot/dts/at91-ariettag25.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Device Tree file for Arietta G25
* This device tree is minimal, to activate more peripherals, see:
diff --git a/arch/arm/boot/dts/bcm2835-rpi-a-plus.dts b/arch/arm/boot/dts/bcm2835-rpi-a-plus.dts
index 9f866491efdf..f81ae0a10310 100644
--- a/arch/arm/boot/dts/bcm2835-rpi-a-plus.dts
+++ b/arch/arm/boot/dts/bcm2835-rpi-a-plus.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "bcm2835.dtsi"
#include "bcm2835-rpi.dtsi"
diff --git a/arch/arm/boot/dts/bcm2835-rpi-a.dts b/arch/arm/boot/dts/bcm2835-rpi-a.dts
index 4b1af06c8dc0..7a960a048204 100644
--- a/arch/arm/boot/dts/bcm2835-rpi-a.dts
+++ b/arch/arm/boot/dts/bcm2835-rpi-a.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "bcm2835.dtsi"
#include "bcm2835-rpi.dtsi"
diff --git a/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts b/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts
index a846f1e781d8..0161a8483e39 100644
--- a/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts
+++ b/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "bcm2835.dtsi"
#include "bcm2835-rpi.dtsi"
diff --git a/arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts b/arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts
index e860964e39fa..4bc70efe43d6 100644
--- a/arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts
+++ b/arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "bcm2835.dtsi"
#include "bcm2835-rpi.dtsi"
diff --git a/arch/arm/boot/dts/bcm2835-rpi-b.dts b/arch/arm/boot/dts/bcm2835-rpi-b.dts
index 5d77f3f8c4c5..cca4a75a5651 100644
--- a/arch/arm/boot/dts/bcm2835-rpi-b.dts
+++ b/arch/arm/boot/dts/bcm2835-rpi-b.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "bcm2835.dtsi"
#include "bcm2835-rpi.dtsi"
diff --git a/arch/arm/boot/dts/bcm2835.dtsi b/arch/arm/boot/dts/bcm2835.dtsi
index 659b6e9513b1..0e3d2a5ff208 100644
--- a/arch/arm/boot/dts/bcm2835.dtsi
+++ b/arch/arm/boot/dts/bcm2835.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include "bcm283x.dtsi"
/ {
diff --git a/arch/arm/boot/dts/bcm2836-rpi-2-b.dts b/arch/arm/boot/dts/bcm2836-rpi-2-b.dts
index e8de41444b68..6669355fd655 100644
--- a/arch/arm/boot/dts/bcm2836-rpi-2-b.dts
+++ b/arch/arm/boot/dts/bcm2836-rpi-2-b.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "bcm2836.dtsi"
#include "bcm2835-rpi.dtsi"
diff --git a/arch/arm/boot/dts/bcm2836.dtsi b/arch/arm/boot/dts/bcm2836.dtsi
index 2c26d0be8b03..61e158003509 100644
--- a/arch/arm/boot/dts/bcm2836.dtsi
+++ b/arch/arm/boot/dts/bcm2836.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include "bcm283x.dtsi"
/ {
diff --git a/arch/arm/boot/dts/bcm2837-rpi-3-b.dts b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts
index c71a0d73d2a2..eb1a28da57e3 100644
--- a/arch/arm/boot/dts/bcm2837-rpi-3-b.dts
+++ b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "bcm2837.dtsi"
#include "bcm2835-rpi.dtsi"
diff --git a/arch/arm/boot/dts/bcm283x-rpi-smsc9512.dtsi b/arch/arm/boot/dts/bcm283x-rpi-smsc9512.dtsi
index 9a0599f711ff..967e081cb9c2 100644
--- a/arch/arm/boot/dts/bcm283x-rpi-smsc9512.dtsi
+++ b/arch/arm/boot/dts/bcm283x-rpi-smsc9512.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/ {
aliases {
ethernet0 = &ethernet;
diff --git a/arch/arm/boot/dts/bcm283x-rpi-usb-otg.dtsi b/arch/arm/boot/dts/bcm283x-rpi-usb-otg.dtsi
index e7d217c967a1..e2fd9610e125 100644
--- a/arch/arm/boot/dts/bcm283x-rpi-usb-otg.dtsi
+++ b/arch/arm/boot/dts/bcm283x-rpi-usb-otg.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
&usb {
dr_mode = "otg";
g-rx-fifo-size = <256>;
diff --git a/arch/arm/boot/dts/bcm63138.dtsi b/arch/arm/boot/dts/bcm63138.dtsi
index d0560e8cd6de..43ee992ccdcf 100644
--- a/arch/arm/boot/dts/bcm63138.dtsi
+++ b/arch/arm/boot/dts/bcm63138.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Broadcom BCM63138 DSL SoCs Device Tree
*/
diff --git a/arch/arm/boot/dts/bcm7445-bcm97445svmb.dts b/arch/arm/boot/dts/bcm7445-bcm97445svmb.dts
index 0bb8d17e4c2d..8006c69a3fdf 100644
--- a/arch/arm/boot/dts/bcm7445-bcm97445svmb.dts
+++ b/arch/arm/boot/dts/bcm7445-bcm97445svmb.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "bcm7445.dtsi"
diff --git a/arch/arm/boot/dts/bcm7445.dtsi b/arch/arm/boot/dts/bcm7445.dtsi
index 4791321969b3..c859aa6f358c 100644
--- a/arch/arm/boot/dts/bcm7445.dtsi
+++ b/arch/arm/boot/dts/bcm7445.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include "skeleton.dtsi"
diff --git a/arch/arm/boot/dts/bcm963138dvt.dts b/arch/arm/boot/dts/bcm963138dvt.dts
index 370aa2cfddf2..c61673638fa8 100644
--- a/arch/arm/boot/dts/bcm963138dvt.dts
+++ b/arch/arm/boot/dts/bcm963138dvt.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Broadcom BCM63138 Reference Board DTS
*/
diff --git a/arch/arm/boot/dts/dove-cubox-es.dts b/arch/arm/boot/dts/dove-cubox-es.dts
index e28ef056dd17..ad361ec1361d 100644
--- a/arch/arm/boot/dts/dove-cubox-es.dts
+++ b/arch/arm/boot/dts/dove-cubox-es.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include "dove-cubox.dts"
/ {
diff --git a/arch/arm/boot/dts/dove-cubox.dts b/arch/arm/boot/dts/dove-cubox.dts
index af3cb633135f..580e3cbcfbf7 100644
--- a/arch/arm/boot/dts/dove-cubox.dts
+++ b/arch/arm/boot/dts/dove-cubox.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "dove.dtsi"
diff --git a/arch/arm/boot/dts/dove-d2plug.dts b/arch/arm/boot/dts/dove-d2plug.dts
index c11d3636c8e5..273f12ca2512 100644
--- a/arch/arm/boot/dts/dove-d2plug.dts
+++ b/arch/arm/boot/dts/dove-d2plug.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "dove.dtsi"
diff --git a/arch/arm/boot/dts/dove-d3plug.dts b/arch/arm/boot/dts/dove-d3plug.dts
index e88ff83f1dec..826026c28f90 100644
--- a/arch/arm/boot/dts/dove-d3plug.dts
+++ b/arch/arm/boot/dts/dove-d3plug.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "dove.dtsi"
diff --git a/arch/arm/boot/dts/dove-dove-db.dts b/arch/arm/boot/dts/dove-dove-db.dts
index bb725dca3a10..1754a62e014e 100644
--- a/arch/arm/boot/dts/dove-dove-db.dts
+++ b/arch/arm/boot/dts/dove-dove-db.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "dove.dtsi"
diff --git a/arch/arm/boot/dts/dove.dtsi b/arch/arm/boot/dts/dove.dtsi
index 1475d3672e56..f4a07bb7c3a2 100644
--- a/arch/arm/boot/dts/dove.dtsi
+++ b/arch/arm/boot/dts/dove.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/include/ "skeleton.dtsi"
#include <dt-bindings/gpio/gpio.h>
diff --git a/arch/arm/boot/dts/efm32gg-dk3750.dts b/arch/arm/boot/dts/efm32gg-dk3750.dts
index 98fc667d22c7..c9f3ea29cf9e 100644
--- a/arch/arm/boot/dts/efm32gg-dk3750.dts
+++ b/arch/arm/boot/dts/efm32gg-dk3750.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Device tree for EFM32GG-DK3750 development board.
*
diff --git a/arch/arm/boot/dts/efm32gg.dtsi b/arch/arm/boot/dts/efm32gg.dtsi
index b78c57e51ed5..8a58e49144cc 100644
--- a/arch/arm/boot/dts/efm32gg.dtsi
+++ b/arch/arm/boot/dts/efm32gg.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Device tree for Energy Micro EFM32 Giant Gecko SoC.
*
diff --git a/arch/arm/boot/dts/elpida_ecb240abacn.dtsi b/arch/arm/boot/dts/elpida_ecb240abacn.dtsi
index f97f70f83374..d87ee4794f83 100644
--- a/arch/arm/boot/dts/elpida_ecb240abacn.dtsi
+++ b/arch/arm/boot/dts/elpida_ecb240abacn.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Common devices used in different OMAP boards
*/
diff --git a/arch/arm/boot/dts/gemini-nas4220b.dts b/arch/arm/boot/dts/gemini-nas4220b.dts
index b4fc58c8cf8d..d6a22e677c7a 100644
--- a/arch/arm/boot/dts/gemini-nas4220b.dts
+++ b/arch/arm/boot/dts/gemini-nas4220b.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Device Tree file for the Gemini-based Raidsonic NAS IB-4220-B
*/
diff --git a/arch/arm/boot/dts/gemini-rut1xx.dts b/arch/arm/boot/dts/gemini-rut1xx.dts
index 3613b264f45f..500057b6570e 100644
--- a/arch/arm/boot/dts/gemini-rut1xx.dts
+++ b/arch/arm/boot/dts/gemini-rut1xx.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Device Tree file for Teltonika RUT1xx
*/
diff --git a/arch/arm/boot/dts/gemini-sq201.dts b/arch/arm/boot/dts/gemini-sq201.dts
index 7cfa9caf47d4..63c02ca9513c 100644
--- a/arch/arm/boot/dts/gemini-sq201.dts
+++ b/arch/arm/boot/dts/gemini-sq201.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Device Tree file for ITian Square One SQ201 NAS
*/
diff --git a/arch/arm/boot/dts/gemini-wbd111.dts b/arch/arm/boot/dts/gemini-wbd111.dts
index 38a49e750478..b413fd12c5ba 100644
--- a/arch/arm/boot/dts/gemini-wbd111.dts
+++ b/arch/arm/boot/dts/gemini-wbd111.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Device Tree file for Wiliboard WBD-111
*/
diff --git a/arch/arm/boot/dts/gemini-wbd222.dts b/arch/arm/boot/dts/gemini-wbd222.dts
index f77e34e0df0b..3ba710538662 100644
--- a/arch/arm/boot/dts/gemini-wbd222.dts
+++ b/arch/arm/boot/dts/gemini-wbd222.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Device Tree file for Wiliboard WBD-222
*/
diff --git a/arch/arm/boot/dts/gemini.dtsi b/arch/arm/boot/dts/gemini.dtsi
index f0d178c77153..b9b07d0895cf 100644
--- a/arch/arm/boot/dts/gemini.dtsi
+++ b/arch/arm/boot/dts/gemini.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Device Tree file for Cortina systems Gemini SoC
*/
diff --git a/arch/arm/boot/dts/imx28-apx4devkit.dts b/arch/arm/boot/dts/imx28-apx4devkit.dts
index 1092b761d7ac..d2a91976e67f 100644
--- a/arch/arm/boot/dts/imx28-apx4devkit.dts
+++ b/arch/arm/boot/dts/imx28-apx4devkit.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "imx28.dtsi"
diff --git a/arch/arm/boot/dts/imx6qdl-dfi-fs700-m60.dtsi b/arch/arm/boot/dts/imx6qdl-dfi-fs700-m60.dtsi
index d78312c63672..ebe7a8bddf04 100644
--- a/arch/arm/boot/dts/imx6qdl-dfi-fs700-m60.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-dfi-fs700-m60.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <dt-bindings/gpio/gpio.h>
/ {
diff --git a/arch/arm/boot/dts/integrator.dtsi b/arch/arm/boot/dts/integrator.dtsi
index 6fe0dd1d3541..380f9ae60c78 100644
--- a/arch/arm/boot/dts/integrator.dtsi
+++ b/arch/arm/boot/dts/integrator.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* SoC core Device Tree for the ARM Integrator platforms
*/
diff --git a/arch/arm/boot/dts/integratorap.dts b/arch/arm/boot/dts/integratorap.dts
index e8b249f92fb3..a5d88a213dcd 100644
--- a/arch/arm/boot/dts/integratorap.dts
+++ b/arch/arm/boot/dts/integratorap.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Device Tree for the ARM Integrator/AP platform
*/
diff --git a/arch/arm/boot/dts/integratorcp.dts b/arch/arm/boot/dts/integratorcp.dts
index 97f38b57a702..a185ab8759fa 100644
--- a/arch/arm/boot/dts/integratorcp.dts
+++ b/arch/arm/boot/dts/integratorcp.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Device Tree for the ARM Integrator/CP platform
*/
diff --git a/arch/arm/boot/dts/kirkwood-6192.dtsi b/arch/arm/boot/dts/kirkwood-6192.dtsi
index f003f3f1bd65..396bcba08adb 100644
--- a/arch/arm/boot/dts/kirkwood-6192.dtsi
+++ b/arch/arm/boot/dts/kirkwood-6192.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/ {
mbus@f1000000 {
pciec: pcie@82000000 {
diff --git a/arch/arm/boot/dts/kirkwood-6281.dtsi b/arch/arm/boot/dts/kirkwood-6281.dtsi
index 47d4b3d3d9e9..faa05849a40d 100644
--- a/arch/arm/boot/dts/kirkwood-6281.dtsi
+++ b/arch/arm/boot/dts/kirkwood-6281.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/ {
mbus@f1000000 {
pciec: pcie@82000000 {
diff --git a/arch/arm/boot/dts/kirkwood-6282.dtsi b/arch/arm/boot/dts/kirkwood-6282.dtsi
index a13dad0a7c08..e84c54b77dea 100644
--- a/arch/arm/boot/dts/kirkwood-6282.dtsi
+++ b/arch/arm/boot/dts/kirkwood-6282.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/ {
mbus@f1000000 {
pciec: pcie@82000000 {
diff --git a/arch/arm/boot/dts/kirkwood-98dx4122.dtsi b/arch/arm/boot/dts/kirkwood-98dx4122.dtsi
index 90d4d71b6683..299c147298c3 100644
--- a/arch/arm/boot/dts/kirkwood-98dx4122.dtsi
+++ b/arch/arm/boot/dts/kirkwood-98dx4122.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/ {
mbus@f1000000 {
pciec: pcie@82000000 {
diff --git a/arch/arm/boot/dts/kirkwood-cloudbox.dts b/arch/arm/boot/dts/kirkwood-cloudbox.dts
index 555b7e4c58a5..448b0cd23b5f 100644
--- a/arch/arm/boot/dts/kirkwood-cloudbox.dts
+++ b/arch/arm/boot/dts/kirkwood-cloudbox.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "kirkwood.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-dns320.dts b/arch/arm/boot/dts/kirkwood-dns320.dts
index d85ef0a91b50..d6b0f418fd01 100644
--- a/arch/arm/boot/dts/kirkwood-dns320.dts
+++ b/arch/arm/boot/dts/kirkwood-dns320.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "kirkwood-dnskw.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-dns325.dts b/arch/arm/boot/dts/kirkwood-dns325.dts
index 5e586ed04c58..94d9c06cbbf5 100644
--- a/arch/arm/boot/dts/kirkwood-dns325.dts
+++ b/arch/arm/boot/dts/kirkwood-dns325.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "kirkwood-dnskw.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-dnskw.dtsi b/arch/arm/boot/dts/kirkwood-dnskw.dtsi
index d8fca9db46d0..cbaf06f2f78e 100644
--- a/arch/arm/boot/dts/kirkwood-dnskw.dtsi
+++ b/arch/arm/boot/dts/kirkwood-dnskw.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include "kirkwood.dtsi"
#include "kirkwood-6281.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-dockstar.dts b/arch/arm/boot/dts/kirkwood-dockstar.dts
index 849736349511..6a3f1bf6d9f1 100644
--- a/arch/arm/boot/dts/kirkwood-dockstar.dts
+++ b/arch/arm/boot/dts/kirkwood-dockstar.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "kirkwood.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-dreamplug.dts b/arch/arm/boot/dts/kirkwood-dreamplug.dts
index e2abc8246bf3..7f326e267494 100644
--- a/arch/arm/boot/dts/kirkwood-dreamplug.dts
+++ b/arch/arm/boot/dts/kirkwood-dreamplug.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "kirkwood.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-goflexnet.dts b/arch/arm/boot/dts/kirkwood-goflexnet.dts
index aa60a0b049a7..02d87e0a1061 100644
--- a/arch/arm/boot/dts/kirkwood-goflexnet.dts
+++ b/arch/arm/boot/dts/kirkwood-goflexnet.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "kirkwood.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-guruplug-server-plus.dts b/arch/arm/boot/dts/kirkwood-guruplug-server-plus.dts
index b2d9834bf458..ff1260ee3fe8 100644
--- a/arch/arm/boot/dts/kirkwood-guruplug-server-plus.dts
+++ b/arch/arm/boot/dts/kirkwood-guruplug-server-plus.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "kirkwood.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-ib62x0.dts b/arch/arm/boot/dts/kirkwood-ib62x0.dts
index 5bf62897014c..962a910a6f5c 100644
--- a/arch/arm/boot/dts/kirkwood-ib62x0.dts
+++ b/arch/arm/boot/dts/kirkwood-ib62x0.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "kirkwood.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-iconnect.dts b/arch/arm/boot/dts/kirkwood-iconnect.dts
index d25184ae4af3..4a512d80912c 100644
--- a/arch/arm/boot/dts/kirkwood-iconnect.dts
+++ b/arch/arm/boot/dts/kirkwood-iconnect.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "kirkwood.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-iomega_ix2_200.dts b/arch/arm/boot/dts/kirkwood-iomega_ix2_200.dts
index 8474bffec0ca..62272d58664f 100644
--- a/arch/arm/boot/dts/kirkwood-iomega_ix2_200.dts
+++ b/arch/arm/boot/dts/kirkwood-iomega_ix2_200.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "kirkwood.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-is2.dts b/arch/arm/boot/dts/kirkwood-is2.dts
index 4121674abd1c..1bc16a5cdbaa 100644
--- a/arch/arm/boot/dts/kirkwood-is2.dts
+++ b/arch/arm/boot/dts/kirkwood-is2.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include <dt-bindings/leds/leds-ns2.h>
diff --git a/arch/arm/boot/dts/kirkwood-km_common.dtsi b/arch/arm/boot/dts/kirkwood-km_common.dtsi
index 7962bdefde49..75dc83914f56 100644
--- a/arch/arm/boot/dts/kirkwood-km_common.dtsi
+++ b/arch/arm/boot/dts/kirkwood-km_common.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/ {
chosen {
bootargs = "console=ttyS0,115200n8 earlyprintk";
diff --git a/arch/arm/boot/dts/kirkwood-km_fixedeth.dts b/arch/arm/boot/dts/kirkwood-km_fixedeth.dts
index 9895f2b10f8a..515be7bccc0a 100644
--- a/arch/arm/boot/dts/kirkwood-km_fixedeth.dts
+++ b/arch/arm/boot/dts/kirkwood-km_fixedeth.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "kirkwood.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-km_kirkwood.dts b/arch/arm/boot/dts/kirkwood-km_kirkwood.dts
index 235bf382fff9..f035eff1c111 100644
--- a/arch/arm/boot/dts/kirkwood-km_kirkwood.dts
+++ b/arch/arm/boot/dts/kirkwood-km_kirkwood.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "kirkwood.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-lschlv2.dts b/arch/arm/boot/dts/kirkwood-lschlv2.dts
index e2fa368aef25..1d737d903f5f 100644
--- a/arch/arm/boot/dts/kirkwood-lschlv2.dts
+++ b/arch/arm/boot/dts/kirkwood-lschlv2.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "kirkwood-lsxl.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-lsxhl.dts b/arch/arm/boot/dts/kirkwood-lsxhl.dts
index 8d89cdf8d6bf..a56e0d797778 100644
--- a/arch/arm/boot/dts/kirkwood-lsxhl.dts
+++ b/arch/arm/boot/dts/kirkwood-lsxhl.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "kirkwood-lsxl.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-lsxl.dtsi b/arch/arm/boot/dts/kirkwood-lsxl.dtsi
index 8b7c6ce79a41..7b151acb9984 100644
--- a/arch/arm/boot/dts/kirkwood-lsxl.dtsi
+++ b/arch/arm/boot/dts/kirkwood-lsxl.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include "kirkwood.dtsi"
#include "kirkwood-6281.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-mplcec4.dts b/arch/arm/boot/dts/kirkwood-mplcec4.dts
index aa413b0bcce2..b80d12f6aa49 100644
--- a/arch/arm/boot/dts/kirkwood-mplcec4.dts
+++ b/arch/arm/boot/dts/kirkwood-mplcec4.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "kirkwood.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-ns2-common.dtsi b/arch/arm/boot/dts/kirkwood-ns2-common.dtsi
index 282605f4c92c..51530ea86622 100644
--- a/arch/arm/boot/dts/kirkwood-ns2-common.dtsi
+++ b/arch/arm/boot/dts/kirkwood-ns2-common.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include "kirkwood.dtsi"
#include "kirkwood-6281.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-ns2.dts b/arch/arm/boot/dts/kirkwood-ns2.dts
index 190189d235e6..7b67083e1ec0 100644
--- a/arch/arm/boot/dts/kirkwood-ns2.dts
+++ b/arch/arm/boot/dts/kirkwood-ns2.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include <dt-bindings/leds/leds-ns2.h>
diff --git a/arch/arm/boot/dts/kirkwood-ns2lite.dts b/arch/arm/boot/dts/kirkwood-ns2lite.dts
index 2c661add0cc0..b0cb5907ed63 100644
--- a/arch/arm/boot/dts/kirkwood-ns2lite.dts
+++ b/arch/arm/boot/dts/kirkwood-ns2lite.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "kirkwood-ns2-common.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-ns2max.dts b/arch/arm/boot/dts/kirkwood-ns2max.dts
index 55cc41d9c80c..c0a087e77408 100644
--- a/arch/arm/boot/dts/kirkwood-ns2max.dts
+++ b/arch/arm/boot/dts/kirkwood-ns2max.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include <dt-bindings/leds/leds-ns2.h>
diff --git a/arch/arm/boot/dts/kirkwood-ns2mini.dts b/arch/arm/boot/dts/kirkwood-ns2mini.dts
index 9935f3ec29b4..5b9fa14b6428 100644
--- a/arch/arm/boot/dts/kirkwood-ns2mini.dts
+++ b/arch/arm/boot/dts/kirkwood-ns2mini.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include <dt-bindings/leds/leds-ns2.h>
diff --git a/arch/arm/boot/dts/kirkwood-nsa310.dts b/arch/arm/boot/dts/kirkwood-nsa310.dts
index 0b69ee4934fa..9b861c2e76c5 100644
--- a/arch/arm/boot/dts/kirkwood-nsa310.dts
+++ b/arch/arm/boot/dts/kirkwood-nsa310.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "kirkwood-nsa3x0-common.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-nsa310a.dts b/arch/arm/boot/dts/kirkwood-nsa310a.dts
index 3d2b3d494c19..b85e314f045a 100644
--- a/arch/arm/boot/dts/kirkwood-nsa310a.dts
+++ b/arch/arm/boot/dts/kirkwood-nsa310a.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "kirkwood-nsa3x0-common.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-nsa3x0-common.dtsi b/arch/arm/boot/dts/kirkwood-nsa3x0-common.dtsi
index e09b79ac73fd..2c4037b07282 100644
--- a/arch/arm/boot/dts/kirkwood-nsa3x0-common.dtsi
+++ b/arch/arm/boot/dts/kirkwood-nsa3x0-common.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include "kirkwood.dtsi"
#include "kirkwood-6281.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-openblocks_a6.dts b/arch/arm/boot/dts/kirkwood-openblocks_a6.dts
index c75da5f0ca48..8ea430168ea5 100644
--- a/arch/arm/boot/dts/kirkwood-openblocks_a6.dts
+++ b/arch/arm/boot/dts/kirkwood-openblocks_a6.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "kirkwood.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-pogoplug-series-4.dts b/arch/arm/boot/dts/kirkwood-pogoplug-series-4.dts
index b2f26239d298..5ce220ac9611 100644
--- a/arch/arm/boot/dts/kirkwood-pogoplug-series-4.dts
+++ b/arch/arm/boot/dts/kirkwood-pogoplug-series-4.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* kirkwood-pogoplug-series-4.dts - Device tree file for PogoPlug Series 4
* inspired by the board files made by Kevin Mihelich for ArchLinux,
diff --git a/arch/arm/boot/dts/kirkwood-topkick.dts b/arch/arm/boot/dts/kirkwood-topkick.dts
index 330aada6d33f..a5b51e29f63e 100644
--- a/arch/arm/boot/dts/kirkwood-topkick.dts
+++ b/arch/arm/boot/dts/kirkwood-topkick.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "kirkwood.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-ts219-6281.dts b/arch/arm/boot/dts/kirkwood-ts219-6281.dts
index ee62204e4ecd..30892c19aceb 100644
--- a/arch/arm/boot/dts/kirkwood-ts219-6281.dts
+++ b/arch/arm/boot/dts/kirkwood-ts219-6281.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "kirkwood.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-ts219-6282.dts b/arch/arm/boot/dts/kirkwood-ts219-6282.dts
index 3437bb396844..aba1205981f1 100644
--- a/arch/arm/boot/dts/kirkwood-ts219-6282.dts
+++ b/arch/arm/boot/dts/kirkwood-ts219-6282.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "kirkwood.dtsi"
diff --git a/arch/arm/boot/dts/kirkwood-ts219.dtsi b/arch/arm/boot/dts/kirkwood-ts219.dtsi
index 62e5e2d5c348..4faea1d9facf 100644
--- a/arch/arm/boot/dts/kirkwood-ts219.dtsi
+++ b/arch/arm/boot/dts/kirkwood-ts219.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/ {
model = "QNAP TS219 family";
compatible = "qnap,ts219", "marvell,kirkwood";
diff --git a/arch/arm/boot/dts/kirkwood.dtsi b/arch/arm/boot/dts/kirkwood.dtsi
index 29b8bd7e0d93..a70fc7f01fc3 100644
--- a/arch/arm/boot/dts/kirkwood.dtsi
+++ b/arch/arm/boot/dts/kirkwood.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/include/ "skeleton.dtsi"
#include <dt-bindings/input/input.h>
#include <dt-bindings/gpio/gpio.h>
diff --git a/arch/arm/boot/dts/omap-gpmc-smsc911x.dtsi b/arch/arm/boot/dts/omap-gpmc-smsc911x.dtsi
index 445fafc73254..ded7e8fec9eb 100644
--- a/arch/arm/boot/dts/omap-gpmc-smsc911x.dtsi
+++ b/arch/arm/boot/dts/omap-gpmc-smsc911x.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Common file for GPMC connected smsc911x on omaps
*
diff --git a/arch/arm/boot/dts/omap-gpmc-smsc9221.dtsi b/arch/arm/boot/dts/omap-gpmc-smsc9221.dtsi
index 73e272fadc20..7f6aefd13451 100644
--- a/arch/arm/boot/dts/omap-gpmc-smsc9221.dtsi
+++ b/arch/arm/boot/dts/omap-gpmc-smsc9221.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Common file for GPMC connected smsc9221 on omaps
*
diff --git a/arch/arm/boot/dts/omap-zoom-common.dtsi b/arch/arm/boot/dts/omap-zoom-common.dtsi
index 46ef3e443861..d4ad9e58b199 100644
--- a/arch/arm/boot/dts/omap-zoom-common.dtsi
+++ b/arch/arm/boot/dts/omap-zoom-common.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Common features on the Zoom debug board
*/
diff --git a/arch/arm/boot/dts/omap2420-n800.dts b/arch/arm/boot/dts/omap2420-n800.dts
index d8c1b423606a..f06d767e818b 100644
--- a/arch/arm/boot/dts/omap2420-n800.dts
+++ b/arch/arm/boot/dts/omap2420-n800.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "omap2420-n8x0-common.dtsi"
diff --git a/arch/arm/boot/dts/omap2420-n810-wimax.dts b/arch/arm/boot/dts/omap2420-n810-wimax.dts
index 6b25b0359ac9..ac9acbd609b6 100644
--- a/arch/arm/boot/dts/omap2420-n810-wimax.dts
+++ b/arch/arm/boot/dts/omap2420-n810-wimax.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "omap2420-n8x0-common.dtsi"
diff --git a/arch/arm/boot/dts/omap2420-n810.dts b/arch/arm/boot/dts/omap2420-n810.dts
index b604d26bd48c..7c485fbfa535 100644
--- a/arch/arm/boot/dts/omap2420-n810.dts
+++ b/arch/arm/boot/dts/omap2420-n810.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "omap2420-n8x0-common.dtsi"
diff --git a/arch/arm/boot/dts/omap2420-n8x0-common.dtsi b/arch/arm/boot/dts/omap2420-n8x0-common.dtsi
index 91886231e5a8..1de80c7886ab 100644
--- a/arch/arm/boot/dts/omap2420-n8x0-common.dtsi
+++ b/arch/arm/boot/dts/omap2420-n8x0-common.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include "omap2420.dtsi"
/ {
diff --git a/arch/arm/boot/dts/omap3-cm-t3517.dts b/arch/arm/boot/dts/omap3-cm-t3517.dts
index 3d293b345e99..4994e33bf663 100644
--- a/arch/arm/boot/dts/omap3-cm-t3517.dts
+++ b/arch/arm/boot/dts/omap3-cm-t3517.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Support for CompuLab CM-T3517
*/
diff --git a/arch/arm/boot/dts/omap3-cm-t3530.dts b/arch/arm/boot/dts/omap3-cm-t3530.dts
index 8dd14fcf6825..76e52c78cbb4 100644
--- a/arch/arm/boot/dts/omap3-cm-t3530.dts
+++ b/arch/arm/boot/dts/omap3-cm-t3530.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Support for CompuLab CM-T3530
*/
diff --git a/arch/arm/boot/dts/omap3-cm-t3730.dts b/arch/arm/boot/dts/omap3-cm-t3730.dts
index bdf4b7fdda39..8c63ac5bbb12 100644
--- a/arch/arm/boot/dts/omap3-cm-t3730.dts
+++ b/arch/arm/boot/dts/omap3-cm-t3730.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Support for CompuLab CM-T3730
*/
diff --git a/arch/arm/boot/dts/omap3-cm-t3x.dtsi b/arch/arm/boot/dts/omap3-cm-t3x.dtsi
index fccd5383243c..31d5ebf38892 100644
--- a/arch/arm/boot/dts/omap3-cm-t3x.dtsi
+++ b/arch/arm/boot/dts/omap3-cm-t3x.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Common support for CompuLab CM-T3x CoMs
*/
diff --git a/arch/arm/boot/dts/omap3-cm-t3x30.dtsi b/arch/arm/boot/dts/omap3-cm-t3x30.dtsi
index 046cd7733c4f..5e8943539fcc 100644
--- a/arch/arm/boot/dts/omap3-cm-t3x30.dtsi
+++ b/arch/arm/boot/dts/omap3-cm-t3x30.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Common support for CompuLab CM-T3x30 CoMs
*/
diff --git a/arch/arm/boot/dts/omap3-evm-common.dtsi b/arch/arm/boot/dts/omap3-evm-common.dtsi
index ff35803088e3..dbc3f030a16c 100644
--- a/arch/arm/boot/dts/omap3-evm-common.dtsi
+++ b/arch/arm/boot/dts/omap3-evm-common.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Common support for omap3 EVM boards
*/
diff --git a/arch/arm/boot/dts/omap3-panel-sharp-ls037v7dw01.dtsi b/arch/arm/boot/dts/omap3-panel-sharp-ls037v7dw01.dtsi
index 157345bb8e79..25e100db7b1a 100644
--- a/arch/arm/boot/dts/omap3-panel-sharp-ls037v7dw01.dtsi
+++ b/arch/arm/boot/dts/omap3-panel-sharp-ls037v7dw01.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Common file for omap dpi panels with QVGA and reset pins
*
diff --git a/arch/arm/boot/dts/omap3-sb-t35.dtsi b/arch/arm/boot/dts/omap3-sb-t35.dtsi
index 4476fb685a1b..22b4c8bdcc65 100644
--- a/arch/arm/boot/dts/omap3-sb-t35.dtsi
+++ b/arch/arm/boot/dts/omap3-sb-t35.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Common support for CompuLab SB-T35 used on SBC-T3530, SBC-T3517 and SBC-T3730
*/
diff --git a/arch/arm/boot/dts/omap3-sbc-t3517.dts b/arch/arm/boot/dts/omap3-sbc-t3517.dts
index c2d5c28a1a70..a69d32860421 100644
--- a/arch/arm/boot/dts/omap3-sbc-t3517.dts
+++ b/arch/arm/boot/dts/omap3-sbc-t3517.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Suppport for CompuLab SBC-T3517 with CM-T3517
*/
diff --git a/arch/arm/boot/dts/omap3-sbc-t3530.dts b/arch/arm/boot/dts/omap3-sbc-t3530.dts
index 834bc786cd12..ae96002abb3b 100644
--- a/arch/arm/boot/dts/omap3-sbc-t3530.dts
+++ b/arch/arm/boot/dts/omap3-sbc-t3530.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Suppport for CompuLab SBC-T3530 with CM-T3530
*/
diff --git a/arch/arm/boot/dts/omap3-sbc-t3730.dts b/arch/arm/boot/dts/omap3-sbc-t3730.dts
index 73c7bf4a4a08..7de6df16fc17 100644
--- a/arch/arm/boot/dts/omap3-sbc-t3730.dts
+++ b/arch/arm/boot/dts/omap3-sbc-t3730.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Suppport for CompuLab SBC-T3730 with CM-T3730
*/
diff --git a/arch/arm/boot/dts/omap5-cm-t54.dts b/arch/arm/boot/dts/omap5-cm-t54.dts
index 552a5c4c5942..5b172a04b6f1 100644
--- a/arch/arm/boot/dts/omap5-cm-t54.dts
+++ b/arch/arm/boot/dts/omap5-cm-t54.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Support for CompuLab CM-T54
*/
diff --git a/arch/arm/boot/dts/omap5-sbc-t54.dts b/arch/arm/boot/dts/omap5-sbc-t54.dts
index 7b8810d13257..657df46251c2 100644
--- a/arch/arm/boot/dts/omap5-sbc-t54.dts
+++ b/arch/arm/boot/dts/omap5-sbc-t54.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Suppport for CompuLab CM-T54 on SB-T54 baseboard
*/
diff --git a/arch/arm/boot/dts/pxa27x.dtsi b/arch/arm/boot/dts/pxa27x.dtsi
index 5f1d6da02a4c..747f750f675d 100644
--- a/arch/arm/boot/dts/pxa27x.dtsi
+++ b/arch/arm/boot/dts/pxa27x.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/* The pxa3xx skeleton simply augments the 2xx version */
#include "pxa2xx.dtsi"
#include "dt-bindings/clock/pxa-clock.h"
diff --git a/arch/arm/boot/dts/pxa3xx.dtsi b/arch/arm/boot/dts/pxa3xx.dtsi
index 7a0cc4ea819a..55c75b67351c 100644
--- a/arch/arm/boot/dts/pxa3xx.dtsi
+++ b/arch/arm/boot/dts/pxa3xx.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/* The pxa3xx skeleton simply augments the 2xx version */
#include "pxa2xx.dtsi"
diff --git a/arch/arm/boot/dts/qcom-apq8064-arrow-sd-600eval-pins.dtsi b/arch/arm/boot/dts/qcom-apq8064-arrow-sd-600eval-pins.dtsi
index a3efb9704fcd..8df73156b73a 100644
--- a/arch/arm/boot/dts/qcom-apq8064-arrow-sd-600eval-pins.dtsi
+++ b/arch/arm/boot/dts/qcom-apq8064-arrow-sd-600eval-pins.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
&tlmm_pinmux {
card_detect: card-detect {
mux {
diff --git a/arch/arm/boot/dts/qcom-apq8064-arrow-sd-600eval.dts b/arch/arm/boot/dts/qcom-apq8064-arrow-sd-600eval.dts
index f245064f320e..76b56eafaab9 100644
--- a/arch/arm/boot/dts/qcom-apq8064-arrow-sd-600eval.dts
+++ b/arch/arm/boot/dts/qcom-apq8064-arrow-sd-600eval.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include "qcom-apq8064-v2.0.dtsi"
#include "qcom-apq8064-arrow-sd-600eval-pins.dtsi"
#include <dt-bindings/gpio/gpio.h>
diff --git a/arch/arm/boot/dts/qcom-apq8064-asus-nexus7-flo.dts b/arch/arm/boot/dts/qcom-apq8064-asus-nexus7-flo.dts
index 3483a66e44c1..a701d4bac320 100644
--- a/arch/arm/boot/dts/qcom-apq8064-asus-nexus7-flo.dts
+++ b/arch/arm/boot/dts/qcom-apq8064-asus-nexus7-flo.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include "qcom-apq8064-v2.0.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
diff --git a/arch/arm/boot/dts/qcom-apq8064-cm-qs600.dts b/arch/arm/boot/dts/qcom-apq8064-cm-qs600.dts
index 5b151e425530..b818ebce0978 100644
--- a/arch/arm/boot/dts/qcom-apq8064-cm-qs600.dts
+++ b/arch/arm/boot/dts/qcom-apq8064-cm-qs600.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include "qcom-apq8064-v2.0.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
diff --git a/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts b/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
index 053b5bdd7808..83aaf4a74398 100644
--- a/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
+++ b/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include "qcom-apq8064-v2.0.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
diff --git a/arch/arm/boot/dts/qcom-apq8064-pins.dtsi b/arch/arm/boot/dts/qcom-apq8064-pins.dtsi
index 173ab7c299ce..cbe42c4153a0 100644
--- a/arch/arm/boot/dts/qcom-apq8064-pins.dtsi
+++ b/arch/arm/boot/dts/qcom-apq8064-pins.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
&tlmm_pinmux {
sdc4_gpios: sdc4-gpios {
diff --git a/arch/arm/boot/dts/qcom-apq8064-sony-xperia-yuga.dts b/arch/arm/boot/dts/qcom-apq8064-sony-xperia-yuga.dts
index 88a9aff41e2f..8bf488fb86ad 100644
--- a/arch/arm/boot/dts/qcom-apq8064-sony-xperia-yuga.dts
+++ b/arch/arm/boot/dts/qcom-apq8064-sony-xperia-yuga.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include "qcom-apq8064-v2.0.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
diff --git a/arch/arm/boot/dts/qcom-apq8064-v2.0.dtsi b/arch/arm/boot/dts/qcom-apq8064-v2.0.dtsi
index 935c3945fc5e..46ed48f0244f 100644
--- a/arch/arm/boot/dts/qcom-apq8064-v2.0.dtsi
+++ b/arch/arm/boot/dts/qcom-apq8064-v2.0.dtsi
@@ -1 +1,2 @@
+// SPDX-License-Identifier: GPL-2.0
#include "qcom-apq8064.dtsi"
diff --git a/arch/arm/boot/dts/qcom-apq8064.dtsi b/arch/arm/boot/dts/qcom-apq8064.dtsi
index f3db185a6809..6089c8d56cd5 100644
--- a/arch/arm/boot/dts/qcom-apq8064.dtsi
+++ b/arch/arm/boot/dts/qcom-apq8064.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "skeleton.dtsi"
diff --git a/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts b/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
index 32f3b81f609c..244f04e19c9d 100644
--- a/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
+++ b/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include "qcom-msm8974.dtsi"
#include "qcom-pm8841.dtsi"
#include "qcom-pm8941.dtsi"
diff --git a/arch/arm/boot/dts/qcom-apq8084-ifc6540.dts b/arch/arm/boot/dts/qcom-apq8084-ifc6540.dts
index 2052b84a77c6..44cd72f1b1be 100644
--- a/arch/arm/boot/dts/qcom-apq8084-ifc6540.dts
+++ b/arch/arm/boot/dts/qcom-apq8084-ifc6540.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include "qcom-apq8084.dtsi"
#include "qcom-pma8084.dtsi"
diff --git a/arch/arm/boot/dts/qcom-apq8084-mtp.dts b/arch/arm/boot/dts/qcom-apq8084-mtp.dts
index d174d15bcf70..c6b6680248a6 100644
--- a/arch/arm/boot/dts/qcom-apq8084-mtp.dts
+++ b/arch/arm/boot/dts/qcom-apq8084-mtp.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include "qcom-apq8084.dtsi"
#include "qcom-pma8084.dtsi"
diff --git a/arch/arm/boot/dts/qcom-apq8084.dtsi b/arch/arm/boot/dts/qcom-apq8084.dtsi
index 80d48867107f..0e1e98707e3f 100644
--- a/arch/arm/boot/dts/qcom-apq8084.dtsi
+++ b/arch/arm/boot/dts/qcom-apq8084.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "skeleton.dtsi"
diff --git a/arch/arm/boot/dts/qcom-ipq8064-ap148.dts b/arch/arm/boot/dts/qcom-ipq8064-ap148.dts
index 348503d1a1c1..bcf53e37ed93 100644
--- a/arch/arm/boot/dts/qcom-ipq8064-ap148.dts
+++ b/arch/arm/boot/dts/qcom-ipq8064-ap148.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include "qcom-ipq8064-v1.0.dtsi"
/ {
diff --git a/arch/arm/boot/dts/qcom-ipq8064-v1.0.dtsi b/arch/arm/boot/dts/qcom-ipq8064-v1.0.dtsi
index 7093b075e408..e1181194e8d3 100644
--- a/arch/arm/boot/dts/qcom-ipq8064-v1.0.dtsi
+++ b/arch/arm/boot/dts/qcom-ipq8064-v1.0.dtsi
@@ -1 +1,2 @@
+// SPDX-License-Identifier: GPL-2.0
#include "qcom-ipq8064.dtsi"
diff --git a/arch/arm/boot/dts/qcom-ipq8064.dtsi b/arch/arm/boot/dts/qcom-ipq8064.dtsi
index f1fbffe59b93..1e0a3b446f7a 100644
--- a/arch/arm/boot/dts/qcom-ipq8064.dtsi
+++ b/arch/arm/boot/dts/qcom-ipq8064.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "skeleton.dtsi"
diff --git a/arch/arm/boot/dts/qcom-msm8660-surf.dts b/arch/arm/boot/dts/qcom-msm8660-surf.dts
index 1adc04978a47..f01a11b18d6a 100644
--- a/arch/arm/boot/dts/qcom-msm8660-surf.dts
+++ b/arch/arm/boot/dts/qcom-msm8660-surf.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <dt-bindings/input/input.h>
#include "qcom-msm8660.dtsi"
diff --git a/arch/arm/boot/dts/qcom-msm8660.dtsi b/arch/arm/boot/dts/qcom-msm8660.dtsi
index 1b5d31b33b5e..221c4584552f 100644
--- a/arch/arm/boot/dts/qcom-msm8660.dtsi
+++ b/arch/arm/boot/dts/qcom-msm8660.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
/include/ "skeleton.dtsi"
diff --git a/arch/arm/boot/dts/qcom-msm8960-cdp.dts b/arch/arm/boot/dts/qcom-msm8960-cdp.dts
index b72a55462caf..82d5d8267adf 100644
--- a/arch/arm/boot/dts/qcom-msm8960-cdp.dts
+++ b/arch/arm/boot/dts/qcom-msm8960-cdp.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <dt-bindings/input/input.h>
#include "qcom-msm8960.dtsi"
diff --git a/arch/arm/boot/dts/qcom-msm8960.dtsi b/arch/arm/boot/dts/qcom-msm8960.dtsi
index 288f56e0ccf5..1733d8f40ab1 100644
--- a/arch/arm/boot/dts/qcom-msm8960.dtsi
+++ b/arch/arm/boot/dts/qcom-msm8960.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
/include/ "skeleton.dtsi"
diff --git a/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts b/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts
index 382bcc3231a9..4dc0b347b1ee 100644
--- a/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts
+++ b/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include "qcom-msm8974.dtsi"
#include "qcom-pm8841.dtsi"
#include "qcom-pm8941.dtsi"
diff --git a/arch/arm/boot/dts/qcom-msm8974-sony-xperia-honami.dts b/arch/arm/boot/dts/qcom-msm8974-sony-xperia-honami.dts
index 50966378f9e4..450b8321e0a6 100644
--- a/arch/arm/boot/dts/qcom-msm8974-sony-xperia-honami.dts
+++ b/arch/arm/boot/dts/qcom-msm8974-sony-xperia-honami.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include "qcom-msm8974.dtsi"
#include "qcom-pm8841.dtsi"
#include "qcom-pm8941.dtsi"
diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi b/arch/arm/boot/dts/qcom-msm8974.dtsi
index a39207625354..33002fed8cc3 100644
--- a/arch/arm/boot/dts/qcom-msm8974.dtsi
+++ b/arch/arm/boot/dts/qcom-msm8974.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include <dt-bindings/interrupt-controller/arm-gic.h>
diff --git a/arch/arm/boot/dts/qcom-pm8841.dtsi b/arch/arm/boot/dts/qcom-pm8841.dtsi
index 0512f645922e..2fd59c440903 100644
--- a/arch/arm/boot/dts/qcom-pm8841.dtsi
+++ b/arch/arm/boot/dts/qcom-pm8841.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/spmi/spmi.h>
diff --git a/arch/arm/boot/dts/qcom-pm8941.dtsi b/arch/arm/boot/dts/qcom-pm8941.dtsi
index 3fc9f34f45bb..1d5ef55c7ee5 100644
--- a/arch/arm/boot/dts/qcom-pm8941.dtsi
+++ b/arch/arm/boot/dts/qcom-pm8941.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <dt-bindings/iio/qcom,spmi-vadc.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/spmi/spmi.h>
diff --git a/arch/arm/boot/dts/qcom-pma8084.dtsi b/arch/arm/boot/dts/qcom-pma8084.dtsi
index 82d258094156..aac7e73b6872 100644
--- a/arch/arm/boot/dts/qcom-pma8084.dtsi
+++ b/arch/arm/boot/dts/qcom-pma8084.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <dt-bindings/iio/qcom,spmi-vadc.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/spmi/spmi.h>
diff --git a/arch/arm/boot/dts/sama5d2-pinfunc.h b/arch/arm/boot/dts/sama5d2-pinfunc.h
index 8a394f336003..e57191fb83de 100644
--- a/arch/arm/boot/dts/sama5d2-pinfunc.h
+++ b/arch/arm/boot/dts/sama5d2-pinfunc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#define PINMUX_PIN(no, func, ioset) \
(((no) & 0xffff) | (((func) & 0xf) << 16) | (((ioset) & 0xff) << 20))
diff --git a/arch/arm/boot/dts/samsung_k3pe0e000b.dtsi b/arch/arm/boot/dts/samsung_k3pe0e000b.dtsi
index 9657a5cbc3ad..dbdda36179ee 100644
--- a/arch/arm/boot/dts/samsung_k3pe0e000b.dtsi
+++ b/arch/arm/boot/dts/samsung_k3pe0e000b.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Timings and Geometry for Samsung K3PE0E000B memory part
*/
diff --git a/arch/arm/boot/dts/skeleton.dtsi b/arch/arm/boot/dts/skeleton.dtsi
index 28b81d60b407..34eda68d9ea2 100644
--- a/arch/arm/boot/dts/skeleton.dtsi
+++ b/arch/arm/boot/dts/skeleton.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* This file is deprecated, and will be removed once existing users have been
* updated. New dts{,i} files should *not* include skeleton.dtsi, and should
diff --git a/arch/arm/boot/dts/skeleton64.dtsi b/arch/arm/boot/dts/skeleton64.dtsi
index b5d7f36f33de..54e637752b9d 100644
--- a/arch/arm/boot/dts/skeleton64.dtsi
+++ b/arch/arm/boot/dts/skeleton64.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Skeleton device tree in the 64 bits version; the bare minimum
* needed to boot; just include and add a compatible value. The
diff --git a/arch/arm/boot/dts/st-pincfg.h b/arch/arm/boot/dts/st-pincfg.h
index 4851c387d52d..d80551202292 100644
--- a/arch/arm/boot/dts/st-pincfg.h
+++ b/arch/arm/boot/dts/st-pincfg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ST_PINCFG_H_
#define _ST_PINCFG_H_
diff --git a/arch/arm/boot/dts/ste-nomadik-nhk15.dts b/arch/arm/boot/dts/ste-nomadik-nhk15.dts
index 1ec46a794a4d..12afdc7467e7 100644
--- a/arch/arm/boot/dts/ste-nomadik-nhk15.dts
+++ b/arch/arm/boot/dts/ste-nomadik-nhk15.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Device Tree for the ST-Ericsson Nomadik S8815 board
* Produced by Calao Systems
diff --git a/arch/arm/boot/dts/ste-nomadik-s8815.dts b/arch/arm/boot/dts/ste-nomadik-s8815.dts
index 789329030658..4445446fa828 100644
--- a/arch/arm/boot/dts/ste-nomadik-s8815.dts
+++ b/arch/arm/boot/dts/ste-nomadik-s8815.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Device Tree for the ST-Ericsson Nomadik S8815 board
* Produced by Calao Systems
diff --git a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi
index adb1c0998b81..68aab50a73ab 100644
--- a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi
+++ b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Device Tree for the ST-Ericsson Nomadik 8815 STn8815 SoC
*/
diff --git a/arch/arm/boot/dts/ste-u300.dts b/arch/arm/boot/dts/ste-u300.dts
index 2f5107ffeef0..62ecb6a2fa39 100644
--- a/arch/arm/boot/dts/ste-u300.dts
+++ b/arch/arm/boot/dts/ste-u300.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Device Tree for the ST-Ericsson U300 Machine and SoC
*/
diff --git a/arch/arm/boot/dts/tango4-common.dtsi b/arch/arm/boot/dts/tango4-common.dtsi
index 0c8cad4d6ee6..12ab6e0c0331 100644
--- a/arch/arm/boot/dts/tango4-common.dtsi
+++ b/arch/arm/boot/dts/tango4-common.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Based on Mans Rullgard's Tango3 DT
* https://github.com/mansr/linux-tangox
diff --git a/arch/arm/boot/dts/tango4-smp8758.dtsi b/arch/arm/boot/dts/tango4-smp8758.dtsi
index eca33d568690..1c6a5bf1a86b 100644
--- a/arch/arm/boot/dts/tango4-smp8758.dtsi
+++ b/arch/arm/boot/dts/tango4-smp8758.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include "tango4-common.dtsi"
/ {
diff --git a/arch/arm/boot/dts/tango4-vantage-1172.dts b/arch/arm/boot/dts/tango4-vantage-1172.dts
index 13bcc460bcb2..d237d7f02c51 100644
--- a/arch/arm/boot/dts/tango4-vantage-1172.dts
+++ b/arch/arm/boot/dts/tango4-vantage-1172.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "tango4-smp8758.dtsi"
diff --git a/arch/arm/boot/dts/tegra114-dalmore.dts b/arch/arm/boot/dts/tegra114-dalmore.dts
index 5af4dd321952..acd6cf51b15b 100644
--- a/arch/arm/boot/dts/tegra114-dalmore.dts
+++ b/arch/arm/boot/dts/tegra114-dalmore.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* This dts file supports Dalmore A04.
* Other board revisions are not supported
diff --git a/arch/arm/boot/dts/tegra114-roth.dts b/arch/arm/boot/dts/tegra114-roth.dts
index 966a7fc044af..7ed7370ee67a 100644
--- a/arch/arm/boot/dts/tegra114-roth.dts
+++ b/arch/arm/boot/dts/tegra114-roth.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include <dt-bindings/input/input.h>
diff --git a/arch/arm/boot/dts/tegra114-tn7.dts b/arch/arm/boot/dts/tegra114-tn7.dts
index a161fa1dfb61..7fc4a8b31e45 100644
--- a/arch/arm/boot/dts/tegra114-tn7.dts
+++ b/arch/arm/boot/dts/tegra114-tn7.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include <dt-bindings/input/input.h>
diff --git a/arch/arm/boot/dts/tegra114.dtsi b/arch/arm/boot/dts/tegra114.dtsi
index 8932ea3afd5f..0e4a13295d8a 100644
--- a/arch/arm/boot/dts/tegra114.dtsi
+++ b/arch/arm/boot/dts/tegra114.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <dt-bindings/clock/tegra114-car.h>
#include <dt-bindings/gpio/tegra-gpio.h>
#include <dt-bindings/memory/tegra114-mc.h>
diff --git a/arch/arm/boot/dts/tegra124-jetson-tk1-emc.dtsi b/arch/arm/boot/dts/tegra124-jetson-tk1-emc.dtsi
index accb7055165a..784a529e1f19 100644
--- a/arch/arm/boot/dts/tegra124-jetson-tk1-emc.dtsi
+++ b/arch/arm/boot/dts/tegra124-jetson-tk1-emc.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/ {
clock@60006000 {
emc-timings-3 {
diff --git a/arch/arm/boot/dts/tegra124-jetson-tk1.dts b/arch/arm/boot/dts/tegra124-jetson-tk1.dts
index 61873d642a45..e8e777b8ef1b 100644
--- a/arch/arm/boot/dts/tegra124-jetson-tk1.dts
+++ b/arch/arm/boot/dts/tegra124-jetson-tk1.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include <dt-bindings/input/input.h>
diff --git a/arch/arm/boot/dts/tegra124-nyan-big-emc.dtsi b/arch/arm/boot/dts/tegra124-nyan-big-emc.dtsi
index 4458e86b2769..9af21fe93a5c 100644
--- a/arch/arm/boot/dts/tegra124-nyan-big-emc.dtsi
+++ b/arch/arm/boot/dts/tegra124-nyan-big-emc.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/ {
clock@60006000 {
emc-timings-1 {
diff --git a/arch/arm/boot/dts/tegra124-nyan-big.dts b/arch/arm/boot/dts/tegra124-nyan-big.dts
index 12eb7809d9ab..d97791b98958 100644
--- a/arch/arm/boot/dts/tegra124-nyan-big.dts
+++ b/arch/arm/boot/dts/tegra124-nyan-big.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "tegra124-nyan.dtsi"
diff --git a/arch/arm/boot/dts/tegra124-nyan-blaze-emc.dtsi b/arch/arm/boot/dts/tegra124-nyan-blaze-emc.dtsi
index 4e7b59e25728..c7c31d4c1a2b 100644
--- a/arch/arm/boot/dts/tegra124-nyan-blaze-emc.dtsi
+++ b/arch/arm/boot/dts/tegra124-nyan-blaze-emc.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/ {
clock@60006000 {
emc-timings-1 {
diff --git a/arch/arm/boot/dts/tegra124-nyan-blaze.dts b/arch/arm/boot/dts/tegra124-nyan-blaze.dts
index 1078a73d5092..2a029ee86dd7 100644
--- a/arch/arm/boot/dts/tegra124-nyan-blaze.dts
+++ b/arch/arm/boot/dts/tegra124-nyan-blaze.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "tegra124-nyan.dtsi"
diff --git a/arch/arm/boot/dts/tegra124-nyan.dtsi b/arch/arm/boot/dts/tegra124-nyan.dtsi
index 5cf987b5401e..3609367037a6 100644
--- a/arch/arm/boot/dts/tegra124-nyan.dtsi
+++ b/arch/arm/boot/dts/tegra124-nyan.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <dt-bindings/input/input.h>
#include "tegra124.dtsi"
diff --git a/arch/arm/boot/dts/tegra124-venice2.dts b/arch/arm/boot/dts/tegra124-venice2.dts
index 6e59cec0962b..32d9079f025b 100644
--- a/arch/arm/boot/dts/tegra124-venice2.dts
+++ b/arch/arm/boot/dts/tegra124-venice2.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include <dt-bindings/input/input.h>
diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi
index 8baf00b89efb..a7e43dcbf744 100644
--- a/arch/arm/boot/dts/tegra124.dtsi
+++ b/arch/arm/boot/dts/tegra124.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <dt-bindings/clock/tegra124-car.h>
#include <dt-bindings/gpio/tegra-gpio.h>
#include <dt-bindings/memory/tegra124-mc.h>
diff --git a/arch/arm/boot/dts/tegra20-colibri-512.dtsi b/arch/arm/boot/dts/tegra20-colibri-512.dtsi
index 1242b841f147..813ae34edd6a 100644
--- a/arch/arm/boot/dts/tegra20-colibri-512.dtsi
+++ b/arch/arm/boot/dts/tegra20-colibri-512.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include "tegra20.dtsi"
/ {
diff --git a/arch/arm/boot/dts/tegra20-harmony.dts b/arch/arm/boot/dts/tegra20-harmony.dts
index 41749693ec3c..628a55a9318b 100644
--- a/arch/arm/boot/dts/tegra20-harmony.dts
+++ b/arch/arm/boot/dts/tegra20-harmony.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include <dt-bindings/input/input.h>
diff --git a/arch/arm/boot/dts/tegra20-iris-512.dts b/arch/arm/boot/dts/tegra20-iris-512.dts
index bb56dfe9e10c..40126388946d 100644
--- a/arch/arm/boot/dts/tegra20-iris-512.dts
+++ b/arch/arm/boot/dts/tegra20-iris-512.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "tegra20-colibri-512.dtsi"
diff --git a/arch/arm/boot/dts/tegra20-medcom-wide.dts b/arch/arm/boot/dts/tegra20-medcom-wide.dts
index 34c6588e92ef..cda5448c2ace 100644
--- a/arch/arm/boot/dts/tegra20-medcom-wide.dts
+++ b/arch/arm/boot/dts/tegra20-medcom-wide.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "tegra20-tamonten.dtsi"
diff --git a/arch/arm/boot/dts/tegra20-paz00.dts b/arch/arm/boot/dts/tegra20-paz00.dts
index bfa9421fcf94..30436969adc0 100644
--- a/arch/arm/boot/dts/tegra20-paz00.dts
+++ b/arch/arm/boot/dts/tegra20-paz00.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include <dt-bindings/input/input.h>
diff --git a/arch/arm/boot/dts/tegra20-plutux.dts b/arch/arm/boot/dts/tegra20-plutux.dts
index a10b415bbdee..429e4605fbdb 100644
--- a/arch/arm/boot/dts/tegra20-plutux.dts
+++ b/arch/arm/boot/dts/tegra20-plutux.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "tegra20-tamonten.dtsi"
diff --git a/arch/arm/boot/dts/tegra20-seaboard.dts b/arch/arm/boot/dts/tegra20-seaboard.dts
index 2017acacc00c..284aae351ff2 100644
--- a/arch/arm/boot/dts/tegra20-seaboard.dts
+++ b/arch/arm/boot/dts/tegra20-seaboard.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include <dt-bindings/input/input.h>
diff --git a/arch/arm/boot/dts/tegra20-tamonten.dtsi b/arch/arm/boot/dts/tegra20-tamonten.dtsi
index 7361f4a82e80..872046d48709 100644
--- a/arch/arm/boot/dts/tegra20-tamonten.dtsi
+++ b/arch/arm/boot/dts/tegra20-tamonten.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include "tegra20.dtsi"
/ {
diff --git a/arch/arm/boot/dts/tegra20-tec.dts b/arch/arm/boot/dts/tegra20-tec.dts
index 9cb534f4441e..4dec27737238 100644
--- a/arch/arm/boot/dts/tegra20-tec.dts
+++ b/arch/arm/boot/dts/tegra20-tec.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "tegra20-tamonten.dtsi"
diff --git a/arch/arm/boot/dts/tegra20-trimslice.dts b/arch/arm/boot/dts/tegra20-trimslice.dts
index b902ab594afa..d55c6b240a30 100644
--- a/arch/arm/boot/dts/tegra20-trimslice.dts
+++ b/arch/arm/boot/dts/tegra20-trimslice.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include <dt-bindings/input/input.h>
diff --git a/arch/arm/boot/dts/tegra20-ventana.dts b/arch/arm/boot/dts/tegra20-ventana.dts
index 8f0aaabf7e28..ee3fbf941e79 100644
--- a/arch/arm/boot/dts/tegra20-ventana.dts
+++ b/arch/arm/boot/dts/tegra20-ventana.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include <dt-bindings/input/input.h>
diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi
index 7c85f97f72ea..914f59166a99 100644
--- a/arch/arm/boot/dts/tegra20.dtsi
+++ b/arch/arm/boot/dts/tegra20.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <dt-bindings/clock/tegra20-car.h>
#include <dt-bindings/gpio/tegra-gpio.h>
#include <dt-bindings/pinctrl/pinctrl-tegra.h>
diff --git a/arch/arm/boot/dts/tegra30-apalis-eval.dts b/arch/arm/boot/dts/tegra30-apalis-eval.dts
index fc530e4a96c4..07b945b0391a 100644
--- a/arch/arm/boot/dts/tegra30-apalis-eval.dts
+++ b/arch/arm/boot/dts/tegra30-apalis-eval.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include <dt-bindings/input/input.h>
diff --git a/arch/arm/boot/dts/tegra30-apalis.dtsi b/arch/arm/boot/dts/tegra30-apalis.dtsi
index 7a6a1a014603..faa8cd2914e8 100644
--- a/arch/arm/boot/dts/tegra30-apalis.dtsi
+++ b/arch/arm/boot/dts/tegra30-apalis.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include "tegra30.dtsi"
/*
diff --git a/arch/arm/boot/dts/tegra30-beaver.dts b/arch/arm/boot/dts/tegra30-beaver.dts
index 3e104ddeb220..5331a8f7dcf8 100644
--- a/arch/arm/boot/dts/tegra30-beaver.dts
+++ b/arch/arm/boot/dts/tegra30-beaver.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "tegra30.dtsi"
diff --git a/arch/arm/boot/dts/tegra30-cardhu-a02.dts b/arch/arm/boot/dts/tegra30-cardhu-a02.dts
index c9bfedcca6ed..a02ec5082287 100644
--- a/arch/arm/boot/dts/tegra30-cardhu-a02.dts
+++ b/arch/arm/boot/dts/tegra30-cardhu-a02.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "tegra30-cardhu.dtsi"
diff --git a/arch/arm/boot/dts/tegra30-cardhu-a04.dts b/arch/arm/boot/dts/tegra30-cardhu-a04.dts
index fadf55e46b2b..4dbd4af679f0 100644
--- a/arch/arm/boot/dts/tegra30-cardhu-a04.dts
+++ b/arch/arm/boot/dts/tegra30-cardhu-a04.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "tegra30-cardhu.dtsi"
diff --git a/arch/arm/boot/dts/tegra30-cardhu.dtsi b/arch/arm/boot/dts/tegra30-cardhu.dtsi
index 83dc14a9b353..92a9740c533f 100644
--- a/arch/arm/boot/dts/tegra30-cardhu.dtsi
+++ b/arch/arm/boot/dts/tegra30-cardhu.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <dt-bindings/input/input.h>
#include "tegra30.dtsi"
diff --git a/arch/arm/boot/dts/tegra30-colibri-eval-v3.dts b/arch/arm/boot/dts/tegra30-colibri-eval-v3.dts
index a8c0318743b6..3c5fb2430212 100644
--- a/arch/arm/boot/dts/tegra30-colibri-eval-v3.dts
+++ b/arch/arm/boot/dts/tegra30-colibri-eval-v3.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "tegra30-colibri.dtsi"
diff --git a/arch/arm/boot/dts/tegra30-colibri.dtsi b/arch/arm/boot/dts/tegra30-colibri.dtsi
index 5360d638eedc..139bfa028b04 100644
--- a/arch/arm/boot/dts/tegra30-colibri.dtsi
+++ b/arch/arm/boot/dts/tegra30-colibri.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <dt-bindings/input/input.h>
#include "tegra30.dtsi"
diff --git a/arch/arm/boot/dts/tegra30.dtsi b/arch/arm/boot/dts/tegra30.dtsi
index 13960fda7471..c3e9f1e847db 100644
--- a/arch/arm/boot/dts/tegra30.dtsi
+++ b/arch/arm/boot/dts/tegra30.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <dt-bindings/clock/tegra30-car.h>
#include <dt-bindings/gpio/tegra-gpio.h>
#include <dt-bindings/memory/tegra30-mc.h>
diff --git a/arch/arm/boot/dts/versatile-ab.dts b/arch/arm/boot/dts/versatile-ab.dts
index 409e069b3a84..4a51612996bc 100644
--- a/arch/arm/boot/dts/versatile-ab.dts
+++ b/arch/arm/boot/dts/versatile-ab.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
/include/ "skeleton.dtsi"
diff --git a/arch/arm/boot/dts/versatile-pb.dts b/arch/arm/boot/dts/versatile-pb.dts
index 9abe26028c8b..06a0fdf24026 100644
--- a/arch/arm/boot/dts/versatile-pb.dts
+++ b/arch/arm/boot/dts/versatile-pb.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include "versatile-ab.dts"
/ {
diff --git a/arch/arm/boot/dts/vexpress-v2m.dtsi b/arch/arm/boot/dts/vexpress-v2m.dtsi
index 1b6f6393be93..b0021a816028 100644
--- a/arch/arm/boot/dts/vexpress-v2m.dtsi
+++ b/arch/arm/boot/dts/vexpress-v2m.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* ARM Ltd. Versatile Express
*
diff --git a/arch/arm/boot/dts/vexpress-v2p-ca15-tc1.dts b/arch/arm/boot/dts/vexpress-v2p-ca15-tc1.dts
index 0c8de0ca73ee..a8ac4e2ed290 100644
--- a/arch/arm/boot/dts/vexpress-v2p-ca15-tc1.dts
+++ b/arch/arm/boot/dts/vexpress-v2p-ca15-tc1.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* ARM Ltd. Versatile Express
*
diff --git a/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts b/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts
index 65ecf206388c..a4c7713edfcd 100644
--- a/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts
+++ b/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* ARM Ltd. Versatile Express
*
diff --git a/arch/arm/boot/dts/vexpress-v2p-ca5s.dts b/arch/arm/boot/dts/vexpress-v2p-ca5s.dts
index 6e69b8e6c1a7..32f1906ffecf 100644
--- a/arch/arm/boot/dts/vexpress-v2p-ca5s.dts
+++ b/arch/arm/boot/dts/vexpress-v2p-ca5s.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* ARM Ltd. Versatile Express
*
diff --git a/arch/arm/boot/dts/vexpress-v2p-ca9.dts b/arch/arm/boot/dts/vexpress-v2p-ca9.dts
index c9305b58afc2..5814460e0549 100644
--- a/arch/arm/boot/dts/vexpress-v2p-ca9.dts
+++ b/arch/arm/boot/dts/vexpress-v2p-ca9.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* ARM Ltd. Versatile Express
*
diff --git a/arch/arm/boot/dts/xenvm-4.2.dts b/arch/arm/boot/dts/xenvm-4.2.dts
index 336915151398..384cd92f1f84 100644
--- a/arch/arm/boot/dts/xenvm-4.2.dts
+++ b/arch/arm/boot/dts/xenvm-4.2.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Xen Virtual Machine for unprivileged guests
*
diff --git a/arch/arm/boot/dts/zx296702-ad1.dts b/arch/arm/boot/dts/zx296702-ad1.dts
index b0183c3a1d7c..eedd3fcbc002 100644
--- a/arch/arm/boot/dts/zx296702-ad1.dts
+++ b/arch/arm/boot/dts/zx296702-ad1.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
diff --git a/arch/arm/boot/dts/zx296702.dtsi b/arch/arm/boot/dts/zx296702.dtsi
index d45c8fcd7ab4..752d28e0f9b0 100644
--- a/arch/arm/boot/dts/zx296702.dtsi
+++ b/arch/arm/boot/dts/zx296702.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include "skeleton.dtsi"
#include <dt-bindings/clock/zx296702-clock.h>
diff --git a/arch/arm/common/Kconfig b/arch/arm/common/Kconfig
index 1181053e3ade..e5ad0708849a 100644
--- a/arch/arm/common/Kconfig
+++ b/arch/arm/common/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
config SA1111
bool
select DMABOUNCE if !ARCH_PXA
diff --git a/arch/arm/common/Makefile b/arch/arm/common/Makefile
index 29fdf6a3601d..70b4a14ed993 100644
--- a/arch/arm/common/Makefile
+++ b/arch/arm/common/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the linux kernel.
#
diff --git a/arch/arm/crypto/Kconfig b/arch/arm/crypto/Kconfig
index ec72752d5668..b8e69fe282b8 100644
--- a/arch/arm/crypto/Kconfig
+++ b/arch/arm/crypto/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
menuconfig ARM_CRYPTO
bool "ARM Accelerated Cryptographic Algorithms"
diff --git a/arch/arm/crypto/Makefile b/arch/arm/crypto/Makefile
index f2215fbeed13..30ef8e291271 100644
--- a/arch/arm/crypto/Makefile
+++ b/arch/arm/crypto/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Arch-specific CryptoAPI modules.
#
diff --git a/arch/arm/crypto/sha1.h b/arch/arm/crypto/sha1.h
index ffd8bd08b1a7..758db3e9ff0a 100644
--- a/arch/arm/crypto/sha1.h
+++ b/arch/arm/crypto/sha1.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef ASM_ARM_CRYPTO_SHA1_H
#define ASM_ARM_CRYPTO_SHA1_H
diff --git a/arch/arm/crypto/sha256_glue.h b/arch/arm/crypto/sha256_glue.h
index 7cf0bf786ada..9f0d578bab5f 100644
--- a/arch/arm/crypto/sha256_glue.h
+++ b/arch/arm/crypto/sha256_glue.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _CRYPTO_SHA256_GLUE_H
#define _CRYPTO_SHA256_GLUE_H
diff --git a/arch/arm/crypto/sha512.h b/arch/arm/crypto/sha512.h
index a75d9a82988a..e14572be76d1 100644
--- a/arch/arm/crypto/sha512.h
+++ b/arch/arm/crypto/sha512.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
int sha512_arm_update(struct shash_desc *desc, const u8 *data,
unsigned int len);
diff --git a/arch/arm/include/asm/arch_timer.h b/arch/arm/include/asm/arch_timer.h
index d4ebf5679f1f..9327e3a101dc 100644
--- a/arch/arm/include/asm/arch_timer.h
+++ b/arch/arm/include/asm/arch_timer.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASMARM_ARCH_TIMER_H
#define __ASMARM_ARCH_TIMER_H
diff --git a/arch/arm/include/asm/barrier.h b/arch/arm/include/asm/barrier.h
index f5d698182d50..40f5c410fd8c 100644
--- a/arch/arm/include/asm/barrier.h
+++ b/arch/arm/include/asm/barrier.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_BARRIER_H
#define __ASM_BARRIER_H
diff --git a/arch/arm/include/asm/bitops.h b/arch/arm/include/asm/bitops.h
index f308c8c40cb9..ce5ee762ed66 100644
--- a/arch/arm/include/asm/bitops.h
+++ b/arch/arm/include/asm/bitops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright 1995, Russell King.
* Various bits and pieces copyrights include:
diff --git a/arch/arm/include/asm/bitrev.h b/arch/arm/include/asm/bitrev.h
index ec291c350ea3..84ad8dde62d6 100644
--- a/arch/arm/include/asm/bitrev.h
+++ b/arch/arm/include/asm/bitrev.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_BITREV_H
#define __ASM_BITREV_H
diff --git a/arch/arm/include/asm/bug.h b/arch/arm/include/asm/bug.h
index 2244a94ed9c9..237aa52d8733 100644
--- a/arch/arm/include/asm/bug.h
+++ b/arch/arm/include/asm/bug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASMARM_BUG_H
#define _ASMARM_BUG_H
diff --git a/arch/arm/include/asm/cache.h b/arch/arm/include/asm/cache.h
index 75fe66bc02b4..1d65ed3a2755 100644
--- a/arch/arm/include/asm/cache.h
+++ b/arch/arm/include/asm/cache.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/include/asm/cache.h
*/
diff --git a/arch/arm/include/asm/cachetype.h b/arch/arm/include/asm/cachetype.h
index 01509ae0bbec..e8c30430be33 100644
--- a/arch/arm/include/asm/cachetype.h
+++ b/arch/arm/include/asm/cachetype.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_ARM_CACHETYPE_H
#define __ASM_ARM_CACHETYPE_H
diff --git a/arch/arm/include/asm/checksum.h b/arch/arm/include/asm/checksum.h
index 524692f4acab..20043e0ebb07 100644
--- a/arch/arm/include/asm/checksum.h
+++ b/arch/arm/include/asm/checksum.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/include/asm/checksum.h
*
diff --git a/arch/arm/include/asm/cmpxchg.h b/arch/arm/include/asm/cmpxchg.h
index 97882f9bad12..8b701f8e175c 100644
--- a/arch/arm/include/asm/cmpxchg.h
+++ b/arch/arm/include/asm/cmpxchg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_ARM_CMPXCHG_H
#define __ASM_ARM_CMPXCHG_H
diff --git a/arch/arm/include/asm/compiler.h b/arch/arm/include/asm/compiler.h
index 29fe85e59439..5e94e67d1083 100644
--- a/arch/arm/include/asm/compiler.h
+++ b/arch/arm/include/asm/compiler.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_ARM_COMPILER_H
#define __ASM_ARM_COMPILER_H
diff --git a/arch/arm/include/asm/cp15.h b/arch/arm/include/asm/cp15.h
index dbdbce1b3a72..4c9fa72b59f5 100644
--- a/arch/arm/include/asm/cp15.h
+++ b/arch/arm/include/asm/cp15.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_ARM_CP15_H
#define __ASM_ARM_CP15_H
diff --git a/arch/arm/include/asm/cpuidle.h b/arch/arm/include/asm/cpuidle.h
index baefe1d51517..6b2ff7243b4b 100644
--- a/arch/arm/include/asm/cpuidle.h
+++ b/arch/arm/include/asm/cpuidle.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_ARM_CPUIDLE_H
#define __ASM_ARM_CPUIDLE_H
diff --git a/arch/arm/include/asm/cputype.h b/arch/arm/include/asm/cputype.h
index b62eaeb147aa..441933311bbf 100644
--- a/arch/arm/include/asm/cputype.h
+++ b/arch/arm/include/asm/cputype.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_ARM_CPUTYPE_H
#define __ASM_ARM_CPUTYPE_H
diff --git a/arch/arm/include/asm/cti.h b/arch/arm/include/asm/cti.h
index 2381199acb7d..f8500e5d6ea8 100644
--- a/arch/arm/include/asm/cti.h
+++ b/arch/arm/include/asm/cti.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASMARM_CTI_H
#define __ASMARM_CTI_H
diff --git a/arch/arm/include/asm/delay.h b/arch/arm/include/asm/delay.h
index e986b7f717c4..4f80b72372b4 100644
--- a/arch/arm/include/asm/delay.h
+++ b/arch/arm/include/asm/delay.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 1995-2004 Russell King
*
diff --git a/arch/arm/include/asm/div64.h b/arch/arm/include/asm/div64.h
index 7d919a9b32e5..898e9c78a7e7 100644
--- a/arch/arm/include/asm/div64.h
+++ b/arch/arm/include/asm/div64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_ARM_DIV64
#define __ASM_ARM_DIV64
diff --git a/arch/arm/include/asm/dma-contiguous.h b/arch/arm/include/asm/dma-contiguous.h
index 4f8e9e5514b1..d785187a6f8a 100644
--- a/arch/arm/include/asm/dma-contiguous.h
+++ b/arch/arm/include/asm/dma-contiguous.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef ASMARM_DMA_CONTIGUOUS_H
#define ASMARM_DMA_CONTIGUOUS_H
diff --git a/arch/arm/include/asm/dma-iommu.h b/arch/arm/include/asm/dma-iommu.h
index c090ec675eac..0722ec6be692 100644
--- a/arch/arm/include/asm/dma-iommu.h
+++ b/arch/arm/include/asm/dma-iommu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef ASMARM_DMA_IOMMU_H
#define ASMARM_DMA_IOMMU_H
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index 4e0285a66ef8..3ca119997818 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef ASMARM_DMA_MAPPING_H
#define ASMARM_DMA_MAPPING_H
diff --git a/arch/arm/include/asm/dma.h b/arch/arm/include/asm/dma.h
index bb4fa67da541..a81dda65c576 100644
--- a/arch/arm/include/asm/dma.h
+++ b/arch/arm/include/asm/dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_ARM_DMA_H
#define __ASM_ARM_DMA_H
diff --git a/arch/arm/include/asm/ecard.h b/arch/arm/include/asm/ecard.h
index eaea14676d57..4befe8d2ae19 100644
--- a/arch/arm/include/asm/ecard.h
+++ b/arch/arm/include/asm/ecard.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/include/asm/ecard.h
*
diff --git a/arch/arm/include/asm/elf.h b/arch/arm/include/asm/elf.h
index f13ae153fb24..8c5ca92a87a9 100644
--- a/arch/arm/include/asm/elf.h
+++ b/arch/arm/include/asm/elf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASMARM_ELF_H
#define __ASMARM_ELF_H
diff --git a/arch/arm/include/asm/entry-macro-multi.S b/arch/arm/include/asm/entry-macro-multi.S
index 609184f522ee..dfc6bfa43012 100644
--- a/arch/arm/include/asm/entry-macro-multi.S
+++ b/arch/arm/include/asm/entry-macro-multi.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <asm/assembler.h>
/*
diff --git a/arch/arm/include/asm/exception.h b/arch/arm/include/asm/exception.h
index bf1991263d2d..a7273ad9587a 100644
--- a/arch/arm/include/asm/exception.h
+++ b/arch/arm/include/asm/exception.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Annotations for marking C functions as exception handlers.
*
diff --git a/arch/arm/include/asm/fiq.h b/arch/arm/include/asm/fiq.h
index d493d0b742a1..6bdfb4a47322 100644
--- a/arch/arm/include/asm/fiq.h
+++ b/arch/arm/include/asm/fiq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/include/asm/fiq.h
*
diff --git a/arch/arm/include/asm/fixmap.h b/arch/arm/include/asm/fixmap.h
index 8f967d1373f6..472c93db5dac 100644
--- a/arch/arm/include/asm/fixmap.h
+++ b/arch/arm/include/asm/fixmap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_FIXMAP_H
#define _ASM_FIXMAP_H
diff --git a/arch/arm/include/asm/flat.h b/arch/arm/include/asm/flat.h
index 29d3a1524bce..f0c75ddeea23 100644
--- a/arch/arm/include/asm/flat.h
+++ b/arch/arm/include/asm/flat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/include/asm/flat.h -- uClinux flat-format executables
*/
diff --git a/arch/arm/include/asm/ftrace.h b/arch/arm/include/asm/ftrace.h
index f379881d5cc3..9e842ff41768 100644
--- a/arch/arm/include/asm/ftrace.h
+++ b/arch/arm/include/asm/ftrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_ARM_FTRACE
#define _ASM_ARM_FTRACE
diff --git a/arch/arm/include/asm/futex.h b/arch/arm/include/asm/futex.h
index cc414382dab4..ffebe7b7a5b7 100644
--- a/arch/arm/include/asm/futex.h
+++ b/arch/arm/include/asm/futex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_ARM_FUTEX_H
#define _ASM_ARM_FUTEX_H
diff --git a/arch/arm/include/asm/gpio.h b/arch/arm/include/asm/gpio.h
index 504dcddebfcc..c50e383358c4 100644
--- a/arch/arm/include/asm/gpio.h
+++ b/arch/arm/include/asm/gpio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ARCH_ARM_GPIO_H
#define _ARCH_ARM_GPIO_H
diff --git a/arch/arm/include/asm/hardirq.h b/arch/arm/include/asm/hardirq.h
index 3d7351c844aa..cba23eaa6072 100644
--- a/arch/arm/include/asm/hardirq.h
+++ b/arch/arm/include/asm/hardirq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_HARDIRQ_H
#define __ASM_HARDIRQ_H
diff --git a/arch/arm/include/asm/hardware/it8152.h b/arch/arm/include/asm/hardware/it8152.h
index 076777ff3daa..e175c2384f28 100644
--- a/arch/arm/include/asm/hardware/it8152.h
+++ b/arch/arm/include/asm/hardware/it8152.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* linux/include/arm/hardware/it8152.h
*
diff --git a/arch/arm/include/asm/hardware/sa1111.h b/arch/arm/include/asm/hardware/sa1111.h
index 8979fa3bbf2d..0bbf163d1ed3 100644
--- a/arch/arm/include/asm/hardware/sa1111.h
+++ b/arch/arm/include/asm/hardware/sa1111.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/include/asm/hardware/sa1111.h
*
diff --git a/arch/arm/include/asm/highmem.h b/arch/arm/include/asm/highmem.h
index 0a0e2d1784c0..b03d3fa2e58d 100644
--- a/arch/arm/include/asm/highmem.h
+++ b/arch/arm/include/asm/highmem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_HIGHMEM_H
#define _ASM_HIGHMEM_H
diff --git a/arch/arm/include/asm/hw_breakpoint.h b/arch/arm/include/asm/hw_breakpoint.h
index afcaf8bf971b..e46e4e7bdba3 100644
--- a/arch/arm/include/asm/hw_breakpoint.h
+++ b/arch/arm/include/asm/hw_breakpoint.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ARM_HW_BREAKPOINT_H
#define _ARM_HW_BREAKPOINT_H
diff --git a/arch/arm/include/asm/hw_irq.h b/arch/arm/include/asm/hw_irq.h
index 9beb92914f4d..cecc13214ef1 100644
--- a/arch/arm/include/asm/hw_irq.h
+++ b/arch/arm/include/asm/hw_irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Nothing to see here yet
*/
diff --git a/arch/arm/include/asm/hwcap.h b/arch/arm/include/asm/hwcap.h
index 6e183fd269fb..e31d9f1b8549 100644
--- a/arch/arm/include/asm/hwcap.h
+++ b/arch/arm/include/asm/hwcap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASMARM_HWCAP_H
#define __ASMARM_HWCAP_H
diff --git a/arch/arm/include/asm/hypervisor.h b/arch/arm/include/asm/hypervisor.h
index b90d9e523d6f..df8524365637 100644
--- a/arch/arm/include/asm/hypervisor.h
+++ b/arch/arm/include/asm/hypervisor.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_ARM_HYPERVISOR_H
#define _ASM_ARM_HYPERVISOR_H
diff --git a/arch/arm/include/asm/ide.h b/arch/arm/include/asm/ide.h
index b507ce8e5019..a81e0b0d6747 100644
--- a/arch/arm/include/asm/ide.h
+++ b/arch/arm/include/asm/ide.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/include/asm/ide.h
*
diff --git a/arch/arm/include/asm/idmap.h b/arch/arm/include/asm/idmap.h
index bf863edb517d..73ba956e379f 100644
--- a/arch/arm/include/asm/idmap.h
+++ b/arch/arm/include/asm/idmap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_IDMAP_H
#define __ASM_IDMAP_H
diff --git a/arch/arm/include/asm/insn.h b/arch/arm/include/asm/insn.h
index e96065da4dae..f20e08ac85ae 100644
--- a/arch/arm/include/asm/insn.h
+++ b/arch/arm/include/asm/insn.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_ARM_INSN_H
#define __ASM_ARM_INSN_H
diff --git a/arch/arm/include/asm/irq.h b/arch/arm/include/asm/irq.h
index e53638c8ed8a..b6f319606e30 100644
--- a/arch/arm/include/asm/irq.h
+++ b/arch/arm/include/asm/irq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_ARM_IRQ_H
#define __ASM_ARM_IRQ_H
diff --git a/arch/arm/include/asm/irq_work.h b/arch/arm/include/asm/irq_work.h
index 712d03e5973a..8895999834cc 100644
--- a/arch/arm/include/asm/irq_work.h
+++ b/arch/arm/include/asm/irq_work.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_ARM_IRQ_WORK_H
#define __ASM_ARM_IRQ_WORK_H
diff --git a/arch/arm/include/asm/irqflags.h b/arch/arm/include/asm/irqflags.h
index e6b70d9d084e..aeec7f24eb75 100644
--- a/arch/arm/include/asm/irqflags.h
+++ b/arch/arm/include/asm/irqflags.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_ARM_IRQFLAGS_H
#define __ASM_ARM_IRQFLAGS_H
diff --git a/arch/arm/include/asm/jump_label.h b/arch/arm/include/asm/jump_label.h
index 34f7b6980d21..e12d7d096fc0 100644
--- a/arch/arm/include/asm/jump_label.h
+++ b/arch/arm/include/asm/jump_label.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_ARM_JUMP_LABEL_H
#define _ASM_ARM_JUMP_LABEL_H
diff --git a/arch/arm/include/asm/kexec.h b/arch/arm/include/asm/kexec.h
index 25021b798a1e..22751b5b5735 100644
--- a/arch/arm/include/asm/kexec.h
+++ b/arch/arm/include/asm/kexec.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ARM_KEXEC_H
#define _ARM_KEXEC_H
diff --git a/arch/arm/include/asm/kgdb.h b/arch/arm/include/asm/kgdb.h
index 0a9d5dd93294..3b73fdcf3627 100644
--- a/arch/arm/include/asm/kgdb.h
+++ b/arch/arm/include/asm/kgdb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* ARM KGDB support
*
diff --git a/arch/arm/include/asm/kmap_types.h b/arch/arm/include/asm/kmap_types.h
index 83eb2f772911..5590940ee43d 100644
--- a/arch/arm/include/asm/kmap_types.h
+++ b/arch/arm/include/asm/kmap_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ARM_KMAP_TYPES_H
#define __ARM_KMAP_TYPES_H
diff --git a/arch/arm/include/asm/limits.h b/arch/arm/include/asm/limits.h
index 08d8c6600804..ab159371d786 100644
--- a/arch/arm/include/asm/limits.h
+++ b/arch/arm/include/asm/limits.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_PIPE_H
#define __ASM_PIPE_H
diff --git a/arch/arm/include/asm/linkage.h b/arch/arm/include/asm/linkage.h
index 5a25632b1bc0..c4670694ada7 100644
--- a/arch/arm/include/asm/linkage.h
+++ b/arch/arm/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/arm/include/asm/mc146818rtc.h b/arch/arm/include/asm/mc146818rtc.h
index e8567bb99dfc..58922879a600 100644
--- a/arch/arm/include/asm/mc146818rtc.h
+++ b/arch/arm/include/asm/mc146818rtc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Machine dependent access functions for RTC registers.
*/
diff --git a/arch/arm/include/asm/mcs_spinlock.h b/arch/arm/include/asm/mcs_spinlock.h
index f652ad65840a..529d2cf4d06f 100644
--- a/arch/arm/include/asm/mcs_spinlock.h
+++ b/arch/arm/include/asm/mcs_spinlock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_MCS_LOCK_H
#define __ASM_MCS_LOCK_H
diff --git a/arch/arm/include/asm/memblock.h b/arch/arm/include/asm/memblock.h
index bf47a6c110a2..b10fd358ccc5 100644
--- a/arch/arm/include/asm/memblock.h
+++ b/arch/arm/include/asm/memblock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_ARM_MEMBLOCK_H
#define _ASM_ARM_MEMBLOCK_H
diff --git a/arch/arm/include/asm/mmu.h b/arch/arm/include/asm/mmu.h
index a5b47421059d..65669b9ce128 100644
--- a/arch/arm/include/asm/mmu.h
+++ b/arch/arm/include/asm/mmu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ARM_MMU_H
#define __ARM_MMU_H
diff --git a/arch/arm/include/asm/module.h b/arch/arm/include/asm/module.h
index ed2319663a1e..89ad0596033a 100644
--- a/arch/arm/include/asm/module.h
+++ b/arch/arm/include/asm/module.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_ARM_MODULE_H
#define _ASM_ARM_MODULE_H
diff --git a/arch/arm/include/asm/mpu.h b/arch/arm/include/asm/mpu.h
index c3247cc2fe08..0c3f774fa4b5 100644
--- a/arch/arm/include/asm/mpu.h
+++ b/arch/arm/include/asm/mpu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ARM_MPU_H
#define __ARM_MPU_H
diff --git a/arch/arm/include/asm/nwflash.h b/arch/arm/include/asm/nwflash.h
index 04e5a557a884..0ec6f07c2d8a 100644
--- a/arch/arm/include/asm/nwflash.h
+++ b/arch/arm/include/asm/nwflash.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _FLASH_H
#define _FLASH_H
diff --git a/arch/arm/include/asm/paravirt.h b/arch/arm/include/asm/paravirt.h
index 8435ff591386..d51e5cd31d01 100644
--- a/arch/arm/include/asm/paravirt.h
+++ b/arch/arm/include/asm/paravirt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_ARM_PARAVIRT_H
#define _ASM_ARM_PARAVIRT_H
diff --git a/arch/arm/include/asm/patch.h b/arch/arm/include/asm/patch.h
index 77e054c2f6cd..0b48247c4600 100644
--- a/arch/arm/include/asm/patch.h
+++ b/arch/arm/include/asm/patch.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ARM_KERNEL_PATCH_H
#define _ARM_KERNEL_PATCH_H
diff --git a/arch/arm/include/asm/pci.h b/arch/arm/include/asm/pci.h
index 396c92bcc0cf..960d9dc4f380 100644
--- a/arch/arm/include/asm/pci.h
+++ b/arch/arm/include/asm/pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef ASMARM_PCI_H
#define ASMARM_PCI_H
diff --git a/arch/arm/include/asm/sections.h b/arch/arm/include/asm/sections.h
index 803bbf2b20b8..63dfe1f10335 100644
--- a/arch/arm/include/asm/sections.h
+++ b/arch/arm/include/asm/sections.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_ARM_SECTIONS_H
#define _ASM_ARM_SECTIONS_H
diff --git a/arch/arm/include/asm/shmparam.h b/arch/arm/include/asm/shmparam.h
index a5223b3a9bf9..367a9dac6150 100644
--- a/arch/arm/include/asm/shmparam.h
+++ b/arch/arm/include/asm/shmparam.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASMARM_SHMPARAM_H
#define _ASMARM_SHMPARAM_H
diff --git a/arch/arm/include/asm/signal.h b/arch/arm/include/asm/signal.h
index c0eb412aff04..65530a042009 100644
--- a/arch/arm/include/asm/signal.h
+++ b/arch/arm/include/asm/signal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASMARM_SIGNAL_H
#define _ASMARM_SIGNAL_H
diff --git a/arch/arm/include/asm/smp_plat.h b/arch/arm/include/asm/smp_plat.h
index f9080717fc88..f2c36acf9886 100644
--- a/arch/arm/include/asm/smp_plat.h
+++ b/arch/arm/include/asm/smp_plat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* ARM specific SMP header, this contains our implementation
* details.
diff --git a/arch/arm/include/asm/smp_scu.h b/arch/arm/include/asm/smp_scu.h
index 5983f6bc62d5..800f5228939f 100644
--- a/arch/arm/include/asm/smp_scu.h
+++ b/arch/arm/include/asm/smp_scu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASMARM_ARCH_SCU_H
#define __ASMARM_ARCH_SCU_H
diff --git a/arch/arm/include/asm/smp_twd.h b/arch/arm/include/asm/smp_twd.h
index 7b2899c2f7fc..312784ee9936 100644
--- a/arch/arm/include/asm/smp_twd.h
+++ b/arch/arm/include/asm/smp_twd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASMARM_SMP_TWD_H
#define __ASMARM_SMP_TWD_H
diff --git a/arch/arm/include/asm/sparsemem.h b/arch/arm/include/asm/sparsemem.h
index 73e5e8513751..d362233856a5 100644
--- a/arch/arm/include/asm/sparsemem.h
+++ b/arch/arm/include/asm/sparsemem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef ASMARM_SPARSEMEM_H
#define ASMARM_SPARSEMEM_H
diff --git a/arch/arm/include/asm/spinlock.h b/arch/arm/include/asm/spinlock.h
index c030143c18c6..25cb465c8538 100644
--- a/arch/arm/include/asm/spinlock.h
+++ b/arch/arm/include/asm/spinlock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_SPINLOCK_H
#define __ASM_SPINLOCK_H
diff --git a/arch/arm/include/asm/spinlock_types.h b/arch/arm/include/asm/spinlock_types.h
index 47663fcb10ad..5976958647fe 100644
--- a/arch/arm/include/asm/spinlock_types.h
+++ b/arch/arm/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/arm/include/asm/stackprotector.h b/arch/arm/include/asm/stackprotector.h
index de003327be97..ef5f7b69443e 100644
--- a/arch/arm/include/asm/stackprotector.h
+++ b/arch/arm/include/asm/stackprotector.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* GCC stack protector support.
*
diff --git a/arch/arm/include/asm/stacktrace.h b/arch/arm/include/asm/stacktrace.h
index 7722201ead19..2d76a2e29f05 100644
--- a/arch/arm/include/asm/stacktrace.h
+++ b/arch/arm/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/arm/include/asm/string.h b/arch/arm/include/asm/string.h
index fe1c6af3a1b1..f54a3136aac6 100644
--- a/arch/arm/include/asm/string.h
+++ b/arch/arm/include/asm/string.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_ARM_STRING_H
#define __ASM_ARM_STRING_H
diff --git a/arch/arm/include/asm/suspend.h b/arch/arm/include/asm/suspend.h
index a61905c86732..452bbdcbcc83 100644
--- a/arch/arm/include/asm/suspend.h
+++ b/arch/arm/include/asm/suspend.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_ARM_SUSPEND_H
#define __ASM_ARM_SUSPEND_H
diff --git a/arch/arm/include/asm/swab.h b/arch/arm/include/asm/swab.h
index 537fc9b91889..c6051823048b 100644
--- a/arch/arm/include/asm/swab.h
+++ b/arch/arm/include/asm/swab.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/include/asm/byteorder.h
*
diff --git a/arch/arm/include/asm/switch_to.h b/arch/arm/include/asm/switch_to.h
index 12ebfcc1d539..d3e937dcee4d 100644
--- a/arch/arm/include/asm/switch_to.h
+++ b/arch/arm/include/asm/switch_to.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_ARM_SWITCH_TO_H
#define __ASM_ARM_SWITCH_TO_H
diff --git a/arch/arm/include/asm/sync_bitops.h b/arch/arm/include/asm/sync_bitops.h
index 9732b8e11e63..39ff217136d1 100644
--- a/arch/arm/include/asm/sync_bitops.h
+++ b/arch/arm/include/asm/sync_bitops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_SYNC_BITOPS_H__
#define __ASM_SYNC_BITOPS_H__
diff --git a/arch/arm/include/asm/syscall.h b/arch/arm/include/asm/syscall.h
index e86c985b8c7a..06dea6bce293 100644
--- a/arch/arm/include/asm/syscall.h
+++ b/arch/arm/include/asm/syscall.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Access to user system call parameters and results
*
diff --git a/arch/arm/include/asm/system_info.h b/arch/arm/include/asm/system_info.h
index 3860cbd401ec..ef7fdb588b5f 100644
--- a/arch/arm/include/asm/system_info.h
+++ b/arch/arm/include/asm/system_info.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_ARM_SYSTEM_INFO_H
#define __ASM_ARM_SYSTEM_INFO_H
diff --git a/arch/arm/include/asm/system_misc.h b/arch/arm/include/asm/system_misc.h
index 8c4a89f5ce7d..78f6db114faf 100644
--- a/arch/arm/include/asm/system_misc.h
+++ b/arch/arm/include/asm/system_misc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_ARM_SYSTEM_MISC_H
#define __ASM_ARM_SYSTEM_MISC_H
diff --git a/arch/arm/include/asm/therm.h b/arch/arm/include/asm/therm.h
index f002f0197d78..17b0bc9b5e9b 100644
--- a/arch/arm/include/asm/therm.h
+++ b/arch/arm/include/asm/therm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/include/asm/therm.h: Definitions for Dallas Semiconductor
* DS1620 thermometer driver (as used in the Rebel.com NetWinder)
diff --git a/arch/arm/include/asm/tls.h b/arch/arm/include/asm/tls.h
index 5f833f7adba1..5a66c3b13c92 100644
--- a/arch/arm/include/asm/tls.h
+++ b/arch/arm/include/asm/tls.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASMARM_TLS_H
#define __ASMARM_TLS_H
diff --git a/arch/arm/include/asm/topology.h b/arch/arm/include/asm/topology.h
index 370f7a732900..f59ab9bcbaf9 100644
--- a/arch/arm/include/asm/topology.h
+++ b/arch/arm/include/asm/topology.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_ARM_TOPOLOGY_H
#define _ASM_ARM_TOPOLOGY_H
diff --git a/arch/arm/include/asm/traps.h b/arch/arm/include/asm/traps.h
index 683d9230984a..f9a6c5fc3fd1 100644
--- a/arch/arm/include/asm/traps.h
+++ b/arch/arm/include/asm/traps.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASMARM_TRAP_H
#define _ASMARM_TRAP_H
diff --git a/arch/arm/include/asm/ucontext.h b/arch/arm/include/asm/ucontext.h
index 921d8274855c..3f0d95ab14b8 100644
--- a/arch/arm/include/asm/ucontext.h
+++ b/arch/arm/include/asm/ucontext.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASMARM_UCONTEXT_H
#define _ASMARM_UCONTEXT_H
diff --git a/arch/arm/include/asm/user.h b/arch/arm/include/asm/user.h
index 35917b3a97f9..c799a3c49342 100644
--- a/arch/arm/include/asm/user.h
+++ b/arch/arm/include/asm/user.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ARM_USER_H
#define _ARM_USER_H
diff --git a/arch/arm/include/asm/v7m.h b/arch/arm/include/asm/v7m.h
index 1fd775c1bc5d..e6d9e29fcae4 100644
--- a/arch/arm/include/asm/v7m.h
+++ b/arch/arm/include/asm/v7m.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Common defines for v7m cpus
*/
diff --git a/arch/arm/include/asm/vdso.h b/arch/arm/include/asm/vdso.h
index d0295f1dd1a3..9c99e817535e 100644
--- a/arch/arm/include/asm/vdso.h
+++ b/arch/arm/include/asm/vdso.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_VDSO_H
#define __ASM_VDSO_H
diff --git a/arch/arm/include/asm/vfp.h b/arch/arm/include/asm/vfp.h
index 22e414056a8c..7157d2a30a49 100644
--- a/arch/arm/include/asm/vfp.h
+++ b/arch/arm/include/asm/vfp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/include/asm/vfp.h
*
diff --git a/arch/arm/include/asm/vfpmacros.h b/arch/arm/include/asm/vfpmacros.h
index 301c1db3e99b..ef5dfedacd8d 100644
--- a/arch/arm/include/asm/vfpmacros.h
+++ b/arch/arm/include/asm/vfpmacros.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/include/asm/vfpmacros.h
*
diff --git a/arch/arm/include/asm/vga.h b/arch/arm/include/asm/vga.h
index 91f40217bfa5..7c0bee57855a 100644
--- a/arch/arm/include/asm/vga.h
+++ b/arch/arm/include/asm/vga.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef ASMARM_VGA_H
#define ASMARM_VGA_H
diff --git a/arch/arm/include/asm/word-at-a-time.h b/arch/arm/include/asm/word-at-a-time.h
index 5831dce4b51c..352ab213520d 100644
--- a/arch/arm/include/asm/word-at-a-time.h
+++ b/arch/arm/include/asm/word-at-a-time.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_ARM_WORD_AT_A_TIME_H
#define __ASM_ARM_WORD_AT_A_TIME_H
diff --git a/arch/arm/include/asm/xen/events.h b/arch/arm/include/asm/xen/events.h
index 620dc75362e5..c83086f745cf 100644
--- a/arch/arm/include/asm/xen/events.h
+++ b/arch/arm/include/asm/xen/events.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_ARM_XEN_EVENTS_H
#define _ASM_ARM_XEN_EVENTS_H
diff --git a/arch/arm/include/debug/palmchip.S b/arch/arm/include/debug/palmchip.S
index 6824b2d1c38e..aed59332e487 100644
--- a/arch/arm/include/debug/palmchip.S
+++ b/arch/arm/include/debug/palmchip.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/serial_reg.h>
#undef UART_TX
diff --git a/arch/arm/include/debug/uncompress.h b/arch/arm/include/debug/uncompress.h
index 0e2949b0fae9..ff0b227290cb 100644
--- a/arch/arm/include/debug/uncompress.h
+++ b/arch/arm/include/debug/uncompress.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifdef CONFIG_DEBUG_UNCOMPRESS
extern void putc(int c);
#else
diff --git a/arch/arm/include/uapi/asm/Kbuild b/arch/arm/include/uapi/asm/Kbuild
index 8e17fe80b55b..4d53de308ee0 100644
--- a/arch/arm/include/uapi/asm/Kbuild
+++ b/arch/arm/include/uapi/asm/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
# UAPI Header export list
include include/uapi/asm-generic/Kbuild.asm
diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile
index ad325a8c7e1e..499f978fb1fd 100644
--- a/arch/arm/kernel/Makefile
+++ b/arch/arm/kernel/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the linux kernel.
#
diff --git a/arch/arm/kernel/atags.h b/arch/arm/kernel/atags.h
index edfa2268c127..201100226301 100644
--- a/arch/arm/kernel/atags.h
+++ b/arch/arm/kernel/atags.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
void convert_to_tag_list(struct tag *tags);
#ifdef CONFIG_ATAGS
diff --git a/arch/arm/kernel/atags_proc.c b/arch/arm/kernel/atags_proc.c
index 5a3379055f55..312cb89ec364 100644
--- a/arch/arm/kernel/atags_proc.c
+++ b/arch/arm/kernel/atags_proc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/slab.h>
#include <linux/proc_fs.h>
#include <asm/setup.h>
diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c
index c1809fb549dd..0cd0aefb3a8f 100644
--- a/arch/arm/kernel/bios32.c
+++ b/arch/arm/kernel/bios32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/arch/arm/kernel/bios32.c
*
diff --git a/arch/arm/kernel/elf.c b/arch/arm/kernel/elf.c
index d0d1e83150c9..846dda2f3c48 100644
--- a/arch/arm/kernel/elf.c
+++ b/arch/arm/kernel/elf.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/export.h>
#include <linux/sched.h>
#include <linux/personality.h>
diff --git a/arch/arm/kernel/entry-header.S b/arch/arm/kernel/entry-header.S
index 6391728c8f03..d523cd8439a3 100644
--- a/arch/arm/kernel/entry-header.S
+++ b/arch/arm/kernel/entry-header.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/init.h>
#include <linux/linkage.h>
diff --git a/arch/arm/kernel/fiq.c b/arch/arm/kernel/fiq.c
index 059c3da0fee3..cd1234c103fc 100644
--- a/arch/arm/kernel/fiq.c
+++ b/arch/arm/kernel/fiq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/arch/arm/kernel/fiq.c
*
diff --git a/arch/arm/kernel/insn.c b/arch/arm/kernel/insn.c
index b760340b7014..2e844b70386b 100644
--- a/arch/arm/kernel/insn.c
+++ b/arch/arm/kernel/insn.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/bug.h>
#include <linux/kernel.h>
#include <asm/opcodes.h>
diff --git a/arch/arm/kernel/io.c b/arch/arm/kernel/io.c
index eedefe050022..60b621295d6c 100644
--- a/arch/arm/kernel/io.c
+++ b/arch/arm/kernel/io.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/export.h>
#include <linux/types.h>
#include <linux/io.h>
diff --git a/arch/arm/kernel/jump_label.c b/arch/arm/kernel/jump_label.c
index 845a5dd9c42b..90bce3d9928e 100644
--- a/arch/arm/kernel/jump_label.c
+++ b/arch/arm/kernel/jump_label.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/kernel.h>
#include <linux/jump_label.h>
#include <asm/patch.h>
diff --git a/arch/arm/kernel/kgdb.c b/arch/arm/kernel/kgdb.c
index 1bb4c40a3135..caa0dbe3dc61 100644
--- a/arch/arm/kernel/kgdb.c
+++ b/arch/arm/kernel/kgdb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* arch/arm/kernel/kgdb.c
*
diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c
index fe1419eeb932..6b38d7a634c1 100644
--- a/arch/arm/kernel/machine_kexec.c
+++ b/arch/arm/kernel/machine_kexec.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* machine_kexec.c - handle transition of Linux booting another kernel
*/
diff --git a/arch/arm/kernel/module.lds b/arch/arm/kernel/module.lds
index eacb5c67f61e..79cb6af565e5 100644
--- a/arch/arm/kernel/module.lds
+++ b/arch/arm/kernel/module.lds
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
SECTIONS {
.plt : { BYTE(0) }
.init.plt : { BYTE(0) }
diff --git a/arch/arm/kernel/patch.c b/arch/arm/kernel/patch.c
index a1a34722c655..a50dc00d79a2 100644
--- a/arch/arm/kernel/patch.c
+++ b/arch/arm/kernel/patch.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/kernel.h>
#include <linux/spinlock.h>
#include <linux/kprobes.h>
diff --git a/arch/arm/kernel/perf_callchain.c b/arch/arm/kernel/perf_callchain.c
index 22bf1f64d99a..08e43a32a693 100644
--- a/arch/arm/kernel/perf_callchain.c
+++ b/arch/arm/kernel/perf_callchain.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* ARM callchain support
*
diff --git a/arch/arm/kernel/perf_event_v6.c b/arch/arm/kernel/perf_event_v6.c
index 8226d0b71fd3..1d7061a38922 100644
--- a/arch/arm/kernel/perf_event_v6.c
+++ b/arch/arm/kernel/perf_event_v6.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* ARMv6 Performance counter handling code.
*
diff --git a/arch/arm/kernel/perf_event_v7.c b/arch/arm/kernel/perf_event_v7.c
index ab6522b43659..870b66c1e4ef 100644
--- a/arch/arm/kernel/perf_event_v7.c
+++ b/arch/arm/kernel/perf_event_v7.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* ARMv7 Cortex-A8 and Cortex-A9 Performance Events handling code.
*
diff --git a/arch/arm/kernel/perf_event_xscale.c b/arch/arm/kernel/perf_event_xscale.c
index 0e51f5e4f879..fcf218da660e 100644
--- a/arch/arm/kernel/perf_event_xscale.c
+++ b/arch/arm/kernel/perf_event_xscale.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* ARMv5 [xscale] Performance counter handling code.
*
diff --git a/arch/arm/kernel/perf_regs.c b/arch/arm/kernel/perf_regs.c
index c366b83bf955..05fe92aa7d98 100644
--- a/arch/arm/kernel/perf_regs.c
+++ b/arch/arm/kernel/perf_regs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/errno.h>
#include <linux/kernel.h>
diff --git a/arch/arm/kernel/reboot.h b/arch/arm/kernel/reboot.h
index bf7a0b1f076e..189ab81b77b6 100644
--- a/arch/arm/kernel/reboot.h
+++ b/arch/arm/kernel/reboot.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef REBOOT_H
#define REBOOT_H
diff --git a/arch/arm/kernel/relocate_kernel.S b/arch/arm/kernel/relocate_kernel.S
index 35e72585ec1d..7eaa2ae7aff5 100644
--- a/arch/arm/kernel/relocate_kernel.S
+++ b/arch/arm/kernel/relocate_kernel.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* relocate_kernel.S - put the kernel image in place to boot
*/
diff --git a/arch/arm/kernel/sleep.S b/arch/arm/kernel/sleep.S
index 9f08d214d05a..a8257fc9cf2a 100644
--- a/arch/arm/kernel/sleep.S
+++ b/arch/arm/kernel/sleep.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/linkage.h>
#include <linux/threads.h>
#include <asm/asm-offsets.h>
diff --git a/arch/arm/kernel/suspend.c b/arch/arm/kernel/suspend.c
index ef794c799cb6..a40ebb7c0896 100644
--- a/arch/arm/kernel/suspend.c
+++ b/arch/arm/kernel/suspend.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/mm_types.h>
diff --git a/arch/arm/kernel/vmlinux-xip.lds.S b/arch/arm/kernel/vmlinux-xip.lds.S
index 8265b116218d..0951df916b85 100644
--- a/arch/arm/kernel/vmlinux-xip.lds.S
+++ b/arch/arm/kernel/vmlinux-xip.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/* ld script to make ARM Linux kernel
* taken from the i386 version by Russell King
* Written by Martin Mares <mj@atrey.karlin.mff.cuni.cz>
diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S
index c83a7ba737d6..1845a5affb44 100644
--- a/arch/arm/kernel/vmlinux.lds.S
+++ b/arch/arm/kernel/vmlinux.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/* ld script to make ARM Linux kernel
* taken from the i386 version by Russell King
* Written by Martin Mares <mj@atrey.karlin.mff.cuni.cz>
diff --git a/arch/arm/kvm/Kconfig b/arch/arm/kvm/Kconfig
index 90d0176fb30d..f24628db5409 100644
--- a/arch/arm/kvm/Kconfig
+++ b/arch/arm/kvm/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# KVM configuration
#
diff --git a/arch/arm/kvm/Makefile b/arch/arm/kvm/Makefile
index d9beee652d36..f550abd64a25 100644
--- a/arch/arm/kvm/Makefile
+++ b/arch/arm/kvm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for Kernel-based Virtual Machine module
#
diff --git a/arch/arm/kvm/hyp/Makefile b/arch/arm/kvm/hyp/Makefile
index 8679405b0b2b..5fca24d52fe6 100644
--- a/arch/arm/kvm/hyp/Makefile
+++ b/arch/arm/kvm/hyp/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for Kernel-based Virtual Machine module, HYP part
#
diff --git a/arch/arm/kvm/trace.h b/arch/arm/kvm/trace.h
index b0d10648c486..69a9d62a0ac6 100644
--- a/arch/arm/kvm/trace.h
+++ b/arch/arm/kvm/trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#if !defined(_TRACE_ARM_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_ARM_KVM_H
diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile
index 27f4d96258a2..4cb0b9624d8f 100644
--- a/arch/arm/lib/Makefile
+++ b/arch/arm/lib/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# linux/arch/arm/lib/Makefile
#
diff --git a/arch/arm/lib/bitops.h b/arch/arm/lib/bitops.h
index 7d807cfd8ef5..93cddab73072 100644
--- a/arch/arm/lib/bitops.h
+++ b/arch/arm/lib/bitops.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <asm/assembler.h>
#include <asm/unwind.h>
diff --git a/arch/arm/lib/bswapsdi2.S b/arch/arm/lib/bswapsdi2.S
index 07cda737bb11..591ba077e874 100644
--- a/arch/arm/lib/bswapsdi2.S
+++ b/arch/arm/lib/bswapsdi2.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/linkage.h>
#include <asm/assembler.h>
diff --git a/arch/arm/mach-actions/Kconfig b/arch/arm/mach-actions/Kconfig
index ad9c5c89c683..b5e0ac965ec0 100644
--- a/arch/arm/mach-actions/Kconfig
+++ b/arch/arm/mach-actions/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
menuconfig ARCH_ACTIONS
bool "Actions Semi SoCs"
depends on ARCH_MULTI_V7
diff --git a/arch/arm/mach-alpine/Kconfig b/arch/arm/mach-alpine/Kconfig
index b41838a58ae4..e3cbb07fe1b4 100644
--- a/arch/arm/mach-alpine/Kconfig
+++ b/arch/arm/mach-alpine/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
config ARCH_ALPINE
bool "Annapurna Labs Alpine platform"
depends on ARCH_MULTI_V7
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index ee34aa34cc51..4ea93c9df77b 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the linux kernel.
#
diff --git a/arch/arm/mach-at91/pm_data-offsets.c b/arch/arm/mach-at91/pm_data-offsets.c
index c0a73e62b725..f2d893c03cd9 100644
--- a/arch/arm/mach-at91/pm_data-offsets.c
+++ b/arch/arm/mach-at91/pm_data-offsets.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/stddef.h>
#include <linux/kbuild.h>
#include "pm.h"
diff --git a/arch/arm/mach-axxia/Kconfig b/arch/arm/mach-axxia/Kconfig
index fe627cbcfdc5..bb2ce1c63fd9 100644
--- a/arch/arm/mach-axxia/Kconfig
+++ b/arch/arm/mach-axxia/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
config ARCH_AXXIA
bool "LSI Axxia platforms"
depends on ARCH_MULTI_V7 && ARM_LPAE
diff --git a/arch/arm/mach-axxia/Makefile b/arch/arm/mach-axxia/Makefile
index ec4f68b460c6..8df8fe76ad47 100644
--- a/arch/arm/mach-axxia/Makefile
+++ b/arch/arm/mach-axxia/Makefile
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0
obj-y += axxia.o
obj-$(CONFIG_SMP) += platsmp.o
diff --git a/arch/arm/mach-bcm/Kconfig b/arch/arm/mach-bcm/Kconfig
index 73be3d578851..5d2925e2ce1f 100644
--- a/arch/arm/mach-bcm/Kconfig
+++ b/arch/arm/mach-bcm/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
menuconfig ARCH_BCM
bool "Broadcom SoC Support"
depends on ARCH_MULTI_V6_V7
diff --git a/arch/arm/mach-bcm/bcm63xx_smp.h b/arch/arm/mach-bcm/bcm63xx_smp.h
index 9c6d50e2b111..4e742604a0fd 100644
--- a/arch/arm/mach-bcm/bcm63xx_smp.h
+++ b/arch/arm/mach-bcm/bcm63xx_smp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __BCM63XX_SMP_H
#define __BCM63XX_SMP_H
diff --git a/arch/arm/mach-clps711x/Kconfig b/arch/arm/mach-clps711x/Kconfig
index f385b1fcafef..fc9188b54dd6 100644
--- a/arch/arm/mach-clps711x/Kconfig
+++ b/arch/arm/mach-clps711x/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
menuconfig ARCH_CLPS711X
bool "Cirrus Logic EP721x/EP731x-based"
depends on ARCH_MULTI_V4T
diff --git a/arch/arm/mach-clps711x/Makefile b/arch/arm/mach-clps711x/Makefile
index bd0b7b5d6e9d..f18f330f5364 100644
--- a/arch/arm/mach-clps711x/Makefile
+++ b/arch/arm/mach-clps711x/Makefile
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
obj-y += board-dt.o
diff --git a/arch/arm/mach-cns3xxx/Kconfig b/arch/arm/mach-cns3xxx/Kconfig
index 5fd836be2701..1ecf5466931e 100644
--- a/arch/arm/mach-cns3xxx/Kconfig
+++ b/arch/arm/mach-cns3xxx/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
menuconfig ARCH_CNS3XXX
bool "Cavium Networks CNS3XXX family"
depends on ARCH_MULTI_V6
diff --git a/arch/arm/mach-cns3xxx/Makefile b/arch/arm/mach-cns3xxx/Makefile
index a1ff10848698..52ca6ed62304 100644
--- a/arch/arm/mach-cns3xxx/Makefile
+++ b/arch/arm/mach-cns3xxx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
obj-$(CONFIG_ARCH_CNS3XXX) += cns3xxx.o
cns3xxx-y += core.o pm.o
cns3xxx-$(CONFIG_ATAGS) += devices.o
diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
index 36c8f5324e43..05c3eecf47cb 100644
--- a/arch/arm/mach-davinci/Kconfig
+++ b/arch/arm/mach-davinci/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
if ARCH_DAVINCI
config AINTC
diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile
index df96ca9eab6d..4e8178050027 100644
--- a/arch/arm/mach-davinci/Makefile
+++ b/arch/arm/mach-davinci/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the linux kernel.
#
diff --git a/arch/arm/mach-davinci/Makefile.boot b/arch/arm/mach-davinci/Makefile.boot
index 4b81601754a2..d36b251f325b 100644
--- a/arch/arm/mach-davinci/Makefile.boot
+++ b/arch/arm/mach-davinci/Makefile.boot
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
zreladdr-$(CONFIG_ARCH_DAVINCI_DA8XX) += 0xc0008000
params_phys-$(CONFIG_ARCH_DAVINCI_DA8XX) := 0xc0000100
initrd_phys-$(CONFIG_ARCH_DAVINCI_DA8XX) := 0xc0800000
diff --git a/arch/arm/mach-davinci/asp.h b/arch/arm/mach-davinci/asp.h
index 1128e1d8e4b4..495aa6907cbc 100644
--- a/arch/arm/mach-davinci/asp.h
+++ b/arch/arm/mach-davinci/asp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* TI DaVinci Audio definitions
*/
diff --git a/arch/arm/mach-davinci/ddr2.h b/arch/arm/mach-davinci/ddr2.h
index c19e047d0e6a..4f7d7824b0c9 100644
--- a/arch/arm/mach-davinci/ddr2.h
+++ b/arch/arm/mach-davinci/ddr2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#define DDR2_SDRCR_OFFSET 0xc
#define DDR2_SRPD_BIT (1 << 23)
#define DDR2_MCLKSTOPEN_BIT (1 << 30)
diff --git a/arch/arm/mach-davinci/usb-da8xx.c b/arch/arm/mach-davinci/usb-da8xx.c
index 9a6af0bd5dc3..d480a02e1298 100644
--- a/arch/arm/mach-davinci/usb-da8xx.c
+++ b/arch/arm/mach-davinci/usb-da8xx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* DA8xx USB
*/
diff --git a/arch/arm/mach-davinci/usb.c b/arch/arm/mach-davinci/usb.c
index 0e7e89c1f331..31ed7aa47227 100644
--- a/arch/arm/mach-davinci/usb.c
+++ b/arch/arm/mach-davinci/usb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* USB
*/
diff --git a/arch/arm/mach-digicolor/Kconfig b/arch/arm/mach-digicolor/Kconfig
index 9d05c6c4181d..90394433c405 100644
--- a/arch/arm/mach-digicolor/Kconfig
+++ b/arch/arm/mach-digicolor/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
config ARCH_DIGICOLOR
bool "Conexant Digicolor SoC Support"
depends on ARCH_MULTI_V7
diff --git a/arch/arm/mach-dove/Kconfig b/arch/arm/mach-dove/Kconfig
index 0bd6d894c597..7747fe64420a 100644
--- a/arch/arm/mach-dove/Kconfig
+++ b/arch/arm/mach-dove/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
if ARCH_DOVE
menu "Marvell Dove Implementations"
diff --git a/arch/arm/mach-dove/Makefile b/arch/arm/mach-dove/Makefile
index b608a21919fb..cdf163cab738 100644
--- a/arch/arm/mach-dove/Makefile
+++ b/arch/arm/mach-dove/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
obj-y += common.o
obj-$(CONFIG_DOVE_LEGACY) += irq.o mpp.o
obj-$(CONFIG_PCI) += pcie.o
diff --git a/arch/arm/mach-dove/mpp.h b/arch/arm/mach-dove/mpp.h
index fbec7c52bfac..2e4b89c86ca8 100644
--- a/arch/arm/mach-dove/mpp.h
+++ b/arch/arm/mach-dove/mpp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ARCH_DOVE_MPP_CODED_H
#define __ARCH_DOVE_MPP_CODED_H
diff --git a/arch/arm/mach-ebsa110/io.c b/arch/arm/mach-ebsa110/io.c
index b57980b435fd..3c44dd3596ea 100644
--- a/arch/arm/mach-ebsa110/io.c
+++ b/arch/arm/mach-ebsa110/io.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/arch/arm/mach-ebsa110/isamem.c
*
diff --git a/arch/arm/mach-efm32/dtmachine.c b/arch/arm/mach-efm32/dtmachine.c
index 2367495193c1..e9364b843641 100644
--- a/arch/arm/mach-efm32/dtmachine.c
+++ b/arch/arm/mach-efm32/dtmachine.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/kernel.h>
#include <asm/v7m.h>
diff --git a/arch/arm/mach-ep93xx/Makefile b/arch/arm/mach-ep93xx/Makefile
index b7ae4345ac08..86768495f61d 100644
--- a/arch/arm/mach-ep93xx/Makefile
+++ b/arch/arm/mach-ep93xx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the linux kernel.
#
diff --git a/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h b/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h
index c64d74246602..6839ea032e58 100644
--- a/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h
+++ b/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h
*/
diff --git a/arch/arm/mach-ep93xx/include/mach/gpio-ep93xx.h b/arch/arm/mach-ep93xx/include/mach/gpio-ep93xx.h
index 6d7c571a519f..242af4a401ea 100644
--- a/arch/arm/mach-ep93xx/include/mach/gpio-ep93xx.h
+++ b/arch/arm/mach-ep93xx/include/mach/gpio-ep93xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/* Include file for the EP93XX GPIO controller machine specifics */
#ifndef __GPIO_EP93XX_H
diff --git a/arch/arm/mach-ep93xx/include/mach/hardware.h b/arch/arm/mach-ep93xx/include/mach/hardware.h
index efcd47815a91..8938906e780a 100644
--- a/arch/arm/mach-ep93xx/include/mach/hardware.h
+++ b/arch/arm/mach-ep93xx/include/mach/hardware.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/mach-ep93xx/include/mach/hardware.h
*/
diff --git a/arch/arm/mach-ep93xx/include/mach/irqs.h b/arch/arm/mach-ep93xx/include/mach/irqs.h
index ff98390bbf0f..244daf83ce6d 100644
--- a/arch/arm/mach-ep93xx/include/mach/irqs.h
+++ b/arch/arm/mach-ep93xx/include/mach/irqs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/mach-ep93xx/include/mach/irqs.h
*/
diff --git a/arch/arm/mach-ep93xx/include/mach/platform.h b/arch/arm/mach-ep93xx/include/mach/platform.h
index db0839691ef5..3bbe1591013e 100644
--- a/arch/arm/mach-ep93xx/include/mach/platform.h
+++ b/arch/arm/mach-ep93xx/include/mach/platform.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/mach-ep93xx/include/mach/platform.h
*/
diff --git a/arch/arm/mach-ep93xx/timer-ep93xx.c b/arch/arm/mach-ep93xx/timer-ep93xx.c
index 874cbc91b669..de998830f534 100644
--- a/arch/arm/mach-ep93xx/timer-ep93xx.c
+++ b/arch/arm/mach-ep93xx/timer-ep93xx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/clocksource.h>
diff --git a/arch/arm/mach-ep93xx/ts72xx.h b/arch/arm/mach-ep93xx/ts72xx.h
index 2255ba29fdd6..b89850f1a965 100644
--- a/arch/arm/mach-ep93xx/ts72xx.h
+++ b/arch/arm/mach-ep93xx/ts72xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/mach-ep93xx/include/mach/ts72xx.h
*/
diff --git a/arch/arm/mach-footbridge/Makefile b/arch/arm/mach-footbridge/Makefile
index e83d5c8396ff..a09f1041f141 100644
--- a/arch/arm/mach-footbridge/Makefile
+++ b/arch/arm/mach-footbridge/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the linux kernel.
#
diff --git a/arch/arm/mach-footbridge/cats-hw.c b/arch/arm/mach-footbridge/cats-hw.c
index 8f05489671b7..e575dc0698cd 100644
--- a/arch/arm/mach-footbridge/cats-hw.c
+++ b/arch/arm/mach-footbridge/cats-hw.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/arch/arm/mach-footbridge/cats-hw.c
*
diff --git a/arch/arm/mach-footbridge/cats-pci.c b/arch/arm/mach-footbridge/cats-pci.c
index 5cec2567c9c5..0b2fd7e2e9b4 100644
--- a/arch/arm/mach-footbridge/cats-pci.c
+++ b/arch/arm/mach-footbridge/cats-pci.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/arch/arm/mach-footbridge/cats-pci.c
*
diff --git a/arch/arm/mach-footbridge/common.h b/arch/arm/mach-footbridge/common.h
index b911e5587ecf..e12587db59c4 100644
--- a/arch/arm/mach-footbridge/common.h
+++ b/arch/arm/mach-footbridge/common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/reboot.h>
extern void footbridge_timer_init(void);
diff --git a/arch/arm/mach-footbridge/dc21285-timer.c b/arch/arm/mach-footbridge/dc21285-timer.c
index 75395a720e63..f76212d2dbf1 100644
--- a/arch/arm/mach-footbridge/dc21285-timer.c
+++ b/arch/arm/mach-footbridge/dc21285-timer.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/arch/arm/mach-footbridge/dc21285-timer.c
*
diff --git a/arch/arm/mach-footbridge/dma.c b/arch/arm/mach-footbridge/dma.c
index 22536b85a81d..86618074a7a5 100644
--- a/arch/arm/mach-footbridge/dma.c
+++ b/arch/arm/mach-footbridge/dma.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/arch/arm/kernel/dma-ebsa285.c
*
diff --git a/arch/arm/mach-footbridge/ebsa285-pci.c b/arch/arm/mach-footbridge/ebsa285-pci.c
index fd12d8a36dc5..6f28aaa9ca79 100644
--- a/arch/arm/mach-footbridge/ebsa285-pci.c
+++ b/arch/arm/mach-footbridge/ebsa285-pci.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/arch/arm/mach-footbridge/ebsa285-pci.c
*
diff --git a/arch/arm/mach-footbridge/ebsa285.c b/arch/arm/mach-footbridge/ebsa285.c
index aee8300f3490..21cf9a358b90 100644
--- a/arch/arm/mach-footbridge/ebsa285.c
+++ b/arch/arm/mach-footbridge/ebsa285.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/arch/arm/mach-footbridge/ebsa285.c
*
diff --git a/arch/arm/mach-footbridge/include/mach/irqs.h b/arch/arm/mach-footbridge/include/mach/irqs.h
index 61c714c4920e..a5f41846ab9c 100644
--- a/arch/arm/mach-footbridge/include/mach/irqs.h
+++ b/arch/arm/mach-footbridge/include/mach/irqs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/mach-footbridge/include/mach/irqs.h
*
diff --git a/arch/arm/mach-footbridge/include/mach/isa-dma.h b/arch/arm/mach-footbridge/include/mach/isa-dma.h
index 5bd4a0d338a8..8a1b991076e1 100644
--- a/arch/arm/mach-footbridge/include/mach/isa-dma.h
+++ b/arch/arm/mach-footbridge/include/mach/isa-dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/mach-footbridge/include/mach/isa-dma.h
*
diff --git a/arch/arm/mach-footbridge/isa-rtc.c b/arch/arm/mach-footbridge/isa-rtc.c
index 07fde4051f78..b8f741a3a37e 100644
--- a/arch/arm/mach-footbridge/isa-rtc.c
+++ b/arch/arm/mach-footbridge/isa-rtc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* arch/arm/mach-footbridge/isa-rtc.c
*
diff --git a/arch/arm/mach-footbridge/isa-timer.c b/arch/arm/mach-footbridge/isa-timer.c
index b73f52e196b9..82f45591fb2c 100644
--- a/arch/arm/mach-footbridge/isa-timer.c
+++ b/arch/arm/mach-footbridge/isa-timer.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/arch/arm/mach-footbridge/isa-timer.c
*
diff --git a/arch/arm/mach-footbridge/netwinder-hw.c b/arch/arm/mach-footbridge/netwinder-hw.c
index cdee08c6d239..5f7265b1b34c 100644
--- a/arch/arm/mach-footbridge/netwinder-hw.c
+++ b/arch/arm/mach-footbridge/netwinder-hw.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/arch/arm/mach-footbridge/netwinder-hw.c
*
diff --git a/arch/arm/mach-footbridge/netwinder-pci.c b/arch/arm/mach-footbridge/netwinder-pci.c
index 0fba5134e4fe..9473aa0305e5 100644
--- a/arch/arm/mach-footbridge/netwinder-pci.c
+++ b/arch/arm/mach-footbridge/netwinder-pci.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/arch/arm/mach-footbridge/netwinder-pci.c
*
diff --git a/arch/arm/mach-footbridge/personal-pci.c b/arch/arm/mach-footbridge/personal-pci.c
index 5c9ee54613b2..4391e433a4b2 100644
--- a/arch/arm/mach-footbridge/personal-pci.c
+++ b/arch/arm/mach-footbridge/personal-pci.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/arch/arm/mach-footbridge/personal-pci.c
*
diff --git a/arch/arm/mach-footbridge/personal.c b/arch/arm/mach-footbridge/personal.c
index 7bdeabdcd4d8..ca715754fc00 100644
--- a/arch/arm/mach-footbridge/personal.c
+++ b/arch/arm/mach-footbridge/personal.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/arch/arm/mach-footbridge/personal.c
*
diff --git a/arch/arm/mach-gemini/board-dt.c b/arch/arm/mach-gemini/board-dt.c
index c0c0ebdd551e..de0afcc8d94a 100644
--- a/arch/arm/mach-gemini/board-dt.c
+++ b/arch/arm/mach-gemini/board-dt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Gemini Device Tree boot support
*/
diff --git a/arch/arm/mach-highbank/core.h b/arch/arm/mach-highbank/core.h
index 7ec5edcd1336..3991a6594ae5 100644
--- a/arch/arm/mach-highbank/core.h
+++ b/arch/arm/mach-highbank/core.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __HIGHBANK_CORE_H
#define __HIGHBANK_CORE_H
diff --git a/arch/arm/mach-hisi/core.h b/arch/arm/mach-hisi/core.h
index c58b68ab0cb6..61245274fdaf 100644
--- a/arch/arm/mach-hisi/core.h
+++ b/arch/arm/mach-hisi/core.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __HISILICON_CORE_H
#define __HISILICON_CORE_H
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
index cab128913e72..8ff71058207d 100644
--- a/arch/arm/mach-imx/Makefile
+++ b/arch/arm/mach-imx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
obj-y := cpu.o system.o irq-common.o
obj-$(CONFIG_SOC_IMX21) += mm-imx21.o
diff --git a/arch/arm/mach-imx/cpu.c b/arch/arm/mach-imx/cpu.c
index 94906ed49392..d4e55f2a897e 100644
--- a/arch/arm/mach-imx/cpu.c
+++ b/arch/arm/mach-imx/cpu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/err.h>
#include <linux/module.h>
#include <linux/io.h>
diff --git a/arch/arm/mach-imx/devices/Makefile b/arch/arm/mach-imx/devices/Makefile
index aa6cee870795..e44758aaa11c 100644
--- a/arch/arm/mach-imx/devices/Makefile
+++ b/arch/arm/mach-imx/devices/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
obj-y := devices.o
obj-$(CONFIG_IMX_HAVE_PLATFORM_FEC) += platform-fec.o
diff --git a/arch/arm/mach-imx/ehci.h b/arch/arm/mach-imx/ehci.h
index 0e060023db8b..b7ad6175f5bf 100644
--- a/arch/arm/mach-imx/ehci.h
+++ b/arch/arm/mach-imx/ehci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __MACH_IMX_EHCI_H
#define __MACH_IMX_EHCI_H
diff --git a/arch/arm/mach-imx/mx31.h b/arch/arm/mach-imx/mx31.h
index ee9b1f9215df..d9574671ca5c 100644
--- a/arch/arm/mach-imx/mx31.h
+++ b/arch/arm/mach-imx/mx31.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __MACH_MX31_H__
#define __MACH_MX31_H__
diff --git a/arch/arm/mach-imx/mx35.h b/arch/arm/mach-imx/mx35.h
index 2af5d3a699c7..760de6a0af7e 100644
--- a/arch/arm/mach-imx/mx35.h
+++ b/arch/arm/mach-imx/mx35.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __MACH_MX35_H__
#define __MACH_MX35_H__
diff --git a/arch/arm/mach-imx/pcm037.h b/arch/arm/mach-imx/pcm037.h
index 7d167690e17d..470d3c887e14 100644
--- a/arch/arm/mach-imx/pcm037.h
+++ b/arch/arm/mach-imx/pcm037.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __PCM037_H__
#define __PCM037_H__
diff --git a/arch/arm/mach-imx/ulpi.h b/arch/arm/mach-imx/ulpi.h
index 23f5c0349e80..b367902c9c32 100644
--- a/arch/arm/mach-imx/ulpi.h
+++ b/arch/arm/mach-imx/ulpi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __MACH_ULPI_H
#define __MACH_ULPI_H
diff --git a/arch/arm/mach-integrator/Makefile b/arch/arm/mach-integrator/Makefile
index 1ebe45356b09..a5a4470db482 100644
--- a/arch/arm/mach-integrator/Makefile
+++ b/arch/arm/mach-integrator/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the linux kernel.
#
diff --git a/arch/arm/mach-integrator/cm.h b/arch/arm/mach-integrator/cm.h
index 5b8ba8247f45..f09ea18a50f8 100644
--- a/arch/arm/mach-integrator/cm.h
+++ b/arch/arm/mach-integrator/cm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* access the core module control register.
*/
diff --git a/arch/arm/mach-integrator/common.h b/arch/arm/mach-integrator/common.h
index 96c9dc56cabf..f053aeebeb7a 100644
--- a/arch/arm/mach-integrator/common.h
+++ b/arch/arm/mach-integrator/common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/reboot.h>
#include <linux/amba/serial.h>
extern struct amba_pl010_data ap_uart_data;
diff --git a/arch/arm/mach-integrator/impd1.h b/arch/arm/mach-integrator/impd1.h
index 76de4dc9bee4..36124d34c8f7 100644
--- a/arch/arm/mach-integrator/impd1.h
+++ b/arch/arm/mach-integrator/impd1.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#define IMPD1_LEDS 0x0c
#define IMPD1_INT 0x10
#define IMPD1_SW 0x14
diff --git a/arch/arm/mach-integrator/lm.h b/arch/arm/mach-integrator/lm.h
index 28186b6f2c09..172966a699bd 100644
--- a/arch/arm/mach-integrator/lm.h
+++ b/arch/arm/mach-integrator/lm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
struct lm_device {
struct device dev;
diff --git a/arch/arm/mach-integrator/pci_v3.h b/arch/arm/mach-integrator/pci_v3.h
index 06a9e2e7d007..cafc7174baab 100644
--- a/arch/arm/mach-integrator/pci_v3.h
+++ b/arch/arm/mach-integrator/pci_v3.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/* Simple oneliner include to the PCIv3 early init */
#ifdef CONFIG_PCI
extern int pci_v3_early_init(void);
diff --git a/arch/arm/mach-iop13xx/Kconfig b/arch/arm/mach-iop13xx/Kconfig
index 40c2d689f2eb..c4f04070b4c1 100644
--- a/arch/arm/mach-iop13xx/Kconfig
+++ b/arch/arm/mach-iop13xx/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
if ARCH_IOP13XX
menu "IOP13XX Implementation Options"
diff --git a/arch/arm/mach-iop13xx/Makefile b/arch/arm/mach-iop13xx/Makefile
index a3d9260e335f..5757c8f6e371 100644
--- a/arch/arm/mach-iop13xx/Makefile
+++ b/arch/arm/mach-iop13xx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
obj-$(CONFIG_ARCH_IOP13XX) += setup.o
obj-$(CONFIG_ARCH_IOP13XX) += irq.o
obj-$(CONFIG_ARCH_IOP13XX) += pci.o
diff --git a/arch/arm/mach-iop13xx/include/mach/hardware.h b/arch/arm/mach-iop13xx/include/mach/hardware.h
index 786fa266fab3..8c943fa6bbd7 100644
--- a/arch/arm/mach-iop13xx/include/mach/hardware.h
+++ b/arch/arm/mach-iop13xx/include/mach/hardware.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_ARCH_HARDWARE_H
#define __ASM_ARCH_HARDWARE_H
#include <asm/types.h>
diff --git a/arch/arm/mach-iop13xx/include/mach/iop13xx.h b/arch/arm/mach-iop13xx/include/mach/iop13xx.h
index 9311ee2126d6..04bb6aca12c5 100644
--- a/arch/arm/mach-iop13xx/include/mach/iop13xx.h
+++ b/arch/arm/mach-iop13xx/include/mach/iop13xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _IOP13XX_HW_H_
#define _IOP13XX_HW_H_
diff --git a/arch/arm/mach-iop13xx/include/mach/iq81340.h b/arch/arm/mach-iop13xx/include/mach/iq81340.h
index ba2cf931e9ce..d7ad27a95558 100644
--- a/arch/arm/mach-iop13xx/include/mach/iq81340.h
+++ b/arch/arm/mach-iop13xx/include/mach/iq81340.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _IQ81340_H_
#define _IQ81340_H_
diff --git a/arch/arm/mach-iop13xx/include/mach/irqs.h b/arch/arm/mach-iop13xx/include/mach/irqs.h
index e8d24d32121a..cd6b6375c050 100644
--- a/arch/arm/mach-iop13xx/include/mach/irqs.h
+++ b/arch/arm/mach-iop13xx/include/mach/irqs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _IOP13XX_IRQS_H_
#define _IOP13XX_IRQS_H_
diff --git a/arch/arm/mach-iop13xx/include/mach/memory.h b/arch/arm/mach-iop13xx/include/mach/memory.h
index 59307e787588..32da0e09c6a3 100644
--- a/arch/arm/mach-iop13xx/include/mach/memory.h
+++ b/arch/arm/mach-iop13xx/include/mach/memory.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_ARCH_MEMORY_H
#define __ASM_ARCH_MEMORY_H
diff --git a/arch/arm/mach-iop13xx/include/mach/time.h b/arch/arm/mach-iop13xx/include/mach/time.h
index c871e6874594..2c2d7532d5c3 100644
--- a/arch/arm/mach-iop13xx/include/mach/time.h
+++ b/arch/arm/mach-iop13xx/include/mach/time.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _IOP13XX_TIME_H_
#define _IOP13XX_TIME_H_
diff --git a/arch/arm/mach-iop13xx/include/mach/uncompress.h b/arch/arm/mach-iop13xx/include/mach/uncompress.h
index d3791ece2772..c62903041d11 100644
--- a/arch/arm/mach-iop13xx/include/mach/uncompress.h
+++ b/arch/arm/mach-iop13xx/include/mach/uncompress.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <asm/types.h>
#include <linux/serial_reg.h>
#include <mach/hardware.h>
diff --git a/arch/arm/mach-iop13xx/msi.h b/arch/arm/mach-iop13xx/msi.h
index b80c5ae17e99..766dcfaaa353 100644
--- a/arch/arm/mach-iop13xx/msi.h
+++ b/arch/arm/mach-iop13xx/msi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _IOP13XX_MSI_H_
#define _IOP13XX_MSI_H_
#ifdef CONFIG_PCI_MSI
diff --git a/arch/arm/mach-iop13xx/pci.h b/arch/arm/mach-iop13xx/pci.h
index 8dc343cb887a..736168d8c7ac 100644
--- a/arch/arm/mach-iop13xx/pci.h
+++ b/arch/arm/mach-iop13xx/pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _IOP13XX_PCI_H_
#define _IOP13XX_PCI_H_
#include <linux/io.h>
diff --git a/arch/arm/mach-iop32x/Kconfig b/arch/arm/mach-iop32x/Kconfig
index 5e8c6f7dfabb..f1f342cb0509 100644
--- a/arch/arm/mach-iop32x/Kconfig
+++ b/arch/arm/mach-iop32x/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
if ARCH_IOP32X
menu "IOP32x Implementation Options"
diff --git a/arch/arm/mach-iop32x/Makefile b/arch/arm/mach-iop32x/Makefile
index 2d4010abb82f..71d62447d4d5 100644
--- a/arch/arm/mach-iop32x/Makefile
+++ b/arch/arm/mach-iop32x/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the linux kernel.
#
diff --git a/arch/arm/mach-iop32x/gpio-iop32x.h b/arch/arm/mach-iop32x/gpio-iop32x.h
index 3c7309c02029..20af87e4c5e8 100644
--- a/arch/arm/mach-iop32x/gpio-iop32x.h
+++ b/arch/arm/mach-iop32x/gpio-iop32x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
static struct resource iop32x_gpio_res[] = {
DEFINE_RES_MEM((IOP3XX_PERIPHERAL_PHYS_BASE + 0x07c4), 0x10),
};
diff --git a/arch/arm/mach-iop32x/include/mach/adma.h b/arch/arm/mach-iop32x/include/mach/adma.h
index 5ed92037dd10..2b20063123ad 100644
--- a/arch/arm/mach-iop32x/include/mach/adma.h
+++ b/arch/arm/mach-iop32x/include/mach/adma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef IOP32X_ADMA_H
#define IOP32X_ADMA_H
#include <asm/hardware/iop3xx-adma.h>
diff --git a/arch/arm/mach-iop32x/include/mach/glantank.h b/arch/arm/mach-iop32x/include/mach/glantank.h
index 958eb91c0913..b9df2e4614cf 100644
--- a/arch/arm/mach-iop32x/include/mach/glantank.h
+++ b/arch/arm/mach-iop32x/include/mach/glantank.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/mach-iop32x/include/mach/glantank.h
*
diff --git a/arch/arm/mach-iop32x/include/mach/hardware.h b/arch/arm/mach-iop32x/include/mach/hardware.h
index 48cb1b20ba91..6e5303e60226 100644
--- a/arch/arm/mach-iop32x/include/mach/hardware.h
+++ b/arch/arm/mach-iop32x/include/mach/hardware.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/mach-iop32x/include/mach/hardware.h
*/
diff --git a/arch/arm/mach-iop32x/include/mach/iq31244.h b/arch/arm/mach-iop32x/include/mach/iq31244.h
index 6b6b369e781c..e62da5da6ed4 100644
--- a/arch/arm/mach-iop32x/include/mach/iq31244.h
+++ b/arch/arm/mach-iop32x/include/mach/iq31244.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/mach-iop32x/include/mach/iq31244.h
*
diff --git a/arch/arm/mach-iop32x/include/mach/iq80321.h b/arch/arm/mach-iop32x/include/mach/iq80321.h
index 498819b737e7..faf62c26f6f8 100644
--- a/arch/arm/mach-iop32x/include/mach/iq80321.h
+++ b/arch/arm/mach-iop32x/include/mach/iq80321.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/mach-iop32x/include/mach/iq80321.h
*
diff --git a/arch/arm/mach-iop32x/include/mach/n2100.h b/arch/arm/mach-iop32x/include/mach/n2100.h
index 40b8a532b064..70bb660b643a 100644
--- a/arch/arm/mach-iop32x/include/mach/n2100.h
+++ b/arch/arm/mach-iop32x/include/mach/n2100.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/mach-iop32x/include/mach/n2100.h
*
diff --git a/arch/arm/mach-iop32x/include/mach/time.h b/arch/arm/mach-iop32x/include/mach/time.h
index 0f28c9949623..d08950ccebc4 100644
--- a/arch/arm/mach-iop32x/include/mach/time.h
+++ b/arch/arm/mach-iop32x/include/mach/time.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _IOP32X_TIME_H_
#define _IOP32X_TIME_H_
#define IRQ_IOP_TIMER0 IRQ_IOP32X_TIMER0
diff --git a/arch/arm/mach-iop32x/include/mach/uncompress.h b/arch/arm/mach-iop32x/include/mach/uncompress.h
index b3d45fd365e7..ed4ac3e28fa1 100644
--- a/arch/arm/mach-iop32x/include/mach/uncompress.h
+++ b/arch/arm/mach-iop32x/include/mach/uncompress.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/mach-iop32x/include/mach/uncompress.h
*/
diff --git a/arch/arm/mach-iop33x/include/mach/adma.h b/arch/arm/mach-iop33x/include/mach/adma.h
index 4b92f795f90e..8aa7159ab6d8 100644
--- a/arch/arm/mach-iop33x/include/mach/adma.h
+++ b/arch/arm/mach-iop33x/include/mach/adma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef IOP33X_ADMA_H
#define IOP33X_ADMA_H
#include <asm/hardware/iop3xx-adma.h>
diff --git a/arch/arm/mach-iop33x/include/mach/hardware.h b/arch/arm/mach-iop33x/include/mach/hardware.h
index 839285315e4e..020bafbc36a5 100644
--- a/arch/arm/mach-iop33x/include/mach/hardware.h
+++ b/arch/arm/mach-iop33x/include/mach/hardware.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/mach-iop33x/include/mach/hardware.h
*/
diff --git a/arch/arm/mach-iop33x/include/mach/iq80331.h b/arch/arm/mach-iop33x/include/mach/iq80331.h
index fe406b0127f7..c7e68d863e44 100644
--- a/arch/arm/mach-iop33x/include/mach/iq80331.h
+++ b/arch/arm/mach-iop33x/include/mach/iq80331.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/mach-iop33x/include/mach/iq80331.h
*
diff --git a/arch/arm/mach-iop33x/include/mach/iq80332.h b/arch/arm/mach-iop33x/include/mach/iq80332.h
index 8325d71f2ed5..749b44bf7f62 100644
--- a/arch/arm/mach-iop33x/include/mach/iq80332.h
+++ b/arch/arm/mach-iop33x/include/mach/iq80332.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/mach-iop33x/include/mach/iq80332.h
*
diff --git a/arch/arm/mach-iop33x/include/mach/time.h b/arch/arm/mach-iop33x/include/mach/time.h
index 4ac4d7664f85..801f8fd644ad 100644
--- a/arch/arm/mach-iop33x/include/mach/time.h
+++ b/arch/arm/mach-iop33x/include/mach/time.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _IOP33X_TIME_H_
#define _IOP33X_TIME_H_
#define IRQ_IOP_TIMER0 IRQ_IOP33X_TIMER0
diff --git a/arch/arm/mach-iop33x/include/mach/uncompress.h b/arch/arm/mach-iop33x/include/mach/uncompress.h
index ed282e14176d..62b71cde1f79 100644
--- a/arch/arm/mach-iop33x/include/mach/uncompress.h
+++ b/arch/arm/mach-iop33x/include/mach/uncompress.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/mach-iop33x/include/mach/uncompress.h
*/
diff --git a/arch/arm/mach-ixp4xx/Makefile b/arch/arm/mach-ixp4xx/Makefile
index eded94c96dd4..f09994500a34 100644
--- a/arch/arm/mach-ixp4xx/Makefile
+++ b/arch/arm/mach-ixp4xx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the linux kernel.
#
diff --git a/arch/arm/mach-ixp4xx/avila-setup.c b/arch/arm/mach-ixp4xx/avila-setup.c
index 6beec150c060..186df64ceae7 100644
--- a/arch/arm/mach-ixp4xx/avila-setup.c
+++ b/arch/arm/mach-ixp4xx/avila-setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* arch/arm/mach-ixp4xx/avila-setup.c
*
diff --git a/arch/arm/mach-ixp4xx/coyote-setup.c b/arch/arm/mach-ixp4xx/coyote-setup.c
index 820cae8608fc..7e40fe70933b 100644
--- a/arch/arm/mach-ixp4xx/coyote-setup.c
+++ b/arch/arm/mach-ixp4xx/coyote-setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* arch/arm/mach-ixp4xx/coyote-setup.c
*
diff --git a/arch/arm/mach-ixp4xx/dsmg600-setup.c b/arch/arm/mach-ixp4xx/dsmg600-setup.c
index b3bd0e137f6d..db488ecc98b5 100644
--- a/arch/arm/mach-ixp4xx/dsmg600-setup.c
+++ b/arch/arm/mach-ixp4xx/dsmg600-setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* DSM-G600 board-setup
*
diff --git a/arch/arm/mach-ixp4xx/fsg-setup.c b/arch/arm/mach-ixp4xx/fsg-setup.c
index 5c4b0c4a1b37..6e32cbc4f590 100644
--- a/arch/arm/mach-ixp4xx/fsg-setup.c
+++ b/arch/arm/mach-ixp4xx/fsg-setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* arch/arm/mach-ixp4xx/fsg-setup.c
*
diff --git a/arch/arm/mach-ixp4xx/gateway7001-setup.c b/arch/arm/mach-ixp4xx/gateway7001-setup.c
index 3d24b3fcee87..1be6faf6da9a 100644
--- a/arch/arm/mach-ixp4xx/gateway7001-setup.c
+++ b/arch/arm/mach-ixp4xx/gateway7001-setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* arch/arm/mach-ixp4xx/gateway7001-setup.c
*
diff --git a/arch/arm/mach-ixp4xx/goramo_mlr.c b/arch/arm/mach-ixp4xx/goramo_mlr.c
index 80bd9d6d04de..145ec5c1b0eb 100644
--- a/arch/arm/mach-ixp4xx/goramo_mlr.c
+++ b/arch/arm/mach-ixp4xx/goramo_mlr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Goramo MultiLink router platform code
* Copyright (C) 2006-2009 Krzysztof Halasa <khc@pm.waw.pl>
diff --git a/arch/arm/mach-ixp4xx/include/mach/npe.h b/arch/arm/mach-ixp4xx/include/mach/npe.h
index e320db2457ae..3a980845e557 100644
--- a/arch/arm/mach-ixp4xx/include/mach/npe.h
+++ b/arch/arm/mach-ixp4xx/include/mach/npe.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __IXP4XX_NPE_H
#define __IXP4XX_NPE_H
diff --git a/arch/arm/mach-ixp4xx/include/mach/platform.h b/arch/arm/mach-ixp4xx/include/mach/platform.h
index 34b3d3f3f131..342acbe20f7c 100644
--- a/arch/arm/mach-ixp4xx/include/mach/platform.h
+++ b/arch/arm/mach-ixp4xx/include/mach/platform.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/mach-ixp4xx/include/mach/platform.h
*
diff --git a/arch/arm/mach-ixp4xx/ixdp425-setup.c b/arch/arm/mach-ixp4xx/ixdp425-setup.c
index 93b89291c06b..8f5e01527b1b 100644
--- a/arch/arm/mach-ixp4xx/ixdp425-setup.c
+++ b/arch/arm/mach-ixp4xx/ixdp425-setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* arch/arm/mach-ixp4xx/ixdp425-setup.c
*
diff --git a/arch/arm/mach-ixp4xx/nas100d-setup.c b/arch/arm/mach-ixp4xx/nas100d-setup.c
index 4e0f762bc651..1b8170d65c74 100644
--- a/arch/arm/mach-ixp4xx/nas100d-setup.c
+++ b/arch/arm/mach-ixp4xx/nas100d-setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* arch/arm/mach-ixp4xx/nas100d-setup.c
*
diff --git a/arch/arm/mach-ixp4xx/nslu2-setup.c b/arch/arm/mach-ixp4xx/nslu2-setup.c
index 88c025f52d8d..bd8dc65b4ffc 100644
--- a/arch/arm/mach-ixp4xx/nslu2-setup.c
+++ b/arch/arm/mach-ixp4xx/nslu2-setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* arch/arm/mach-ixp4xx/nslu2-setup.c
*
diff --git a/arch/arm/mach-ixp4xx/vulcan-setup.c b/arch/arm/mach-ixp4xx/vulcan-setup.c
index d599e354ca57..731fb2019ecb 100644
--- a/arch/arm/mach-ixp4xx/vulcan-setup.c
+++ b/arch/arm/mach-ixp4xx/vulcan-setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* arch/arm/mach-ixp4xx/vulcan-setup.c
*
diff --git a/arch/arm/mach-ixp4xx/wg302v2-setup.c b/arch/arm/mach-ixp4xx/wg302v2-setup.c
index 8f9ea2f3a9a5..90b3c604e8b6 100644
--- a/arch/arm/mach-ixp4xx/wg302v2-setup.c
+++ b/arch/arm/mach-ixp4xx/wg302v2-setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* arch/arm/mach-ixp4xx/wg302-setup.c
*
diff --git a/arch/arm/mach-keystone/Makefile b/arch/arm/mach-keystone/Makefile
index 25d92396fbfa..f8b0dccac8dc 100644
--- a/arch/arm/mach-keystone/Makefile
+++ b/arch/arm/mach-keystone/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
obj-y := keystone.o smc.o
plus_sec := $(call as-instr,.arch_extension sec,+sec)
diff --git a/arch/arm/mach-ks8695/Makefile b/arch/arm/mach-ks8695/Makefile
index 8ecb7973ae54..439b22255a32 100644
--- a/arch/arm/mach-ks8695/Makefile
+++ b/arch/arm/mach-ks8695/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
# arch/arm/mach-ks8695/Makefile
#
# Makefile for KS8695 architecture support
diff --git a/arch/arm/mach-mmp/Makefile b/arch/arm/mach-mmp/Makefile
index 7677ad5414e9..8f267c7bc6e8 100644
--- a/arch/arm/mach-mmp/Makefile
+++ b/arch/arm/mach-mmp/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for Marvell's PXA168 processors line
#
diff --git a/arch/arm/mach-mmp/clock-mmp2.c b/arch/arm/mach-mmp/clock-mmp2.c
index 835c3e7cc67e..7536398bf1c1 100644
--- a/arch/arm/mach-mmp/clock-mmp2.c
+++ b/arch/arm/mach-mmp/clock-mmp2.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
diff --git a/arch/arm/mach-mmp/clock-pxa168.c b/arch/arm/mach-mmp/clock-pxa168.c
index f726a3692431..2d4a5d96a1ff 100644
--- a/arch/arm/mach-mmp/clock-pxa168.c
+++ b/arch/arm/mach-mmp/clock-pxa168.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
diff --git a/arch/arm/mach-mmp/clock-pxa910.c b/arch/arm/mach-mmp/clock-pxa910.c
index bca60a224e07..3cd83ff91bb0 100644
--- a/arch/arm/mach-mmp/clock-pxa910.c
+++ b/arch/arm/mach-mmp/clock-pxa910.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
diff --git a/arch/arm/mach-mmp/common.h b/arch/arm/mach-mmp/common.h
index 7453a90c34bd..7e284d9c429f 100644
--- a/arch/arm/mach-mmp/common.h
+++ b/arch/arm/mach-mmp/common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/reboot.h>
#define ARRAY_AND_SIZE(x) (x), ARRAY_SIZE(x)
diff --git a/arch/arm/mach-mmp/cputype.h b/arch/arm/mach-mmp/cputype.h
index 8a3b56dfd35d..446edaeb78a7 100644
--- a/arch/arm/mach-mmp/cputype.h
+++ b/arch/arm/mach-mmp/cputype.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_MACH_CPUTYPE_H
#define __ASM_MACH_CPUTYPE_H
diff --git a/arch/arm/mach-mmp/devices.h b/arch/arm/mach-mmp/devices.h
index 21217ef11b64..4df596c5c201 100644
--- a/arch/arm/mach-mmp/devices.h
+++ b/arch/arm/mach-mmp/devices.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __MACH_DEVICE_H
#define __MACH_DEVICE_H
diff --git a/arch/arm/mach-mmp/irqs.h b/arch/arm/mach-mmp/irqs.h
index fb492a50a817..5acc4d532a43 100644
--- a/arch/arm/mach-mmp/irqs.h
+++ b/arch/arm/mach-mmp/irqs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_MACH_IRQS_H
#define __ASM_MACH_IRQS_H
diff --git a/arch/arm/mach-mmp/mfp-mmp2.h b/arch/arm/mach-mmp/mfp-mmp2.h
index b2744349725d..1620222981e3 100644
--- a/arch/arm/mach-mmp/mfp-mmp2.h
+++ b/arch/arm/mach-mmp/mfp-mmp2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_MACH_MFP_MMP2_H
#define __ASM_MACH_MFP_MMP2_H
diff --git a/arch/arm/mach-mmp/mfp-pxa168.h b/arch/arm/mach-mmp/mfp-pxa168.h
index 9050d032377e..90d16d3419a4 100644
--- a/arch/arm/mach-mmp/mfp-pxa168.h
+++ b/arch/arm/mach-mmp/mfp-pxa168.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_MACH_MFP_PXA168_H
#define __ASM_MACH_MFP_PXA168_H
diff --git a/arch/arm/mach-mmp/mfp-pxa910.h b/arch/arm/mach-mmp/mfp-pxa910.h
index f06db5cd3ad3..6f900cade631 100644
--- a/arch/arm/mach-mmp/mfp-pxa910.h
+++ b/arch/arm/mach-mmp/mfp-pxa910.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_MACH_MFP_PXA910_H
#define __ASM_MACH_MFP_PXA910_H
diff --git a/arch/arm/mach-mmp/mfp.h b/arch/arm/mach-mmp/mfp.h
index 62e510e80a58..75a4acb33b1b 100644
--- a/arch/arm/mach-mmp/mfp.h
+++ b/arch/arm/mach-mmp/mfp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_MACH_MFP_H
#define __ASM_MACH_MFP_H
diff --git a/arch/arm/mach-mmp/mmp2.h b/arch/arm/mach-mmp/mmp2.h
index 9b5e75ee9e4d..a4b82f719de1 100644
--- a/arch/arm/mach-mmp/mmp2.h
+++ b/arch/arm/mach-mmp/mmp2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_MACH_MMP2_H
#define __ASM_MACH_MMP2_H
diff --git a/arch/arm/mach-mmp/pxa168.h b/arch/arm/mach-mmp/pxa168.h
index 75841e9ccd73..b39bff37ff11 100644
--- a/arch/arm/mach-mmp/pxa168.h
+++ b/arch/arm/mach-mmp/pxa168.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_MACH_PXA168_H
#define __ASM_MACH_PXA168_H
diff --git a/arch/arm/mach-mmp/pxa910.h b/arch/arm/mach-mmp/pxa910.h
index a211e81e5a08..cb3923dcf580 100644
--- a/arch/arm/mach-mmp/pxa910.h
+++ b/arch/arm/mach-mmp/pxa910.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_MACH_PXA910_H
#define __ASM_MACH_PXA910_H
diff --git a/arch/arm/mach-mv78xx0/Makefile b/arch/arm/mach-mv78xx0/Makefile
index ddb3aa98a3c7..a839e960b8c6 100644
--- a/arch/arm/mach-mv78xx0/Makefile
+++ b/arch/arm/mach-mv78xx0/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/arch/arm/plat-orion/include
obj-y += common.o mpp.o irq.o pcie.o
diff --git a/arch/arm/mach-mvebu/Makefile b/arch/arm/mach-mvebu/Makefile
index 6c6497e80a7b..cb106899dd7c 100644
--- a/arch/arm/mach-mvebu/Makefile
+++ b/arch/arm/mach-mvebu/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/arch/arm/plat-orion/include
AFLAGS_coherency_ll.o := -Wa,-march=armv7-a
diff --git a/arch/arm/mach-omap1/Makefile b/arch/arm/mach-omap1/Makefile
index 0e8ea95ea822..e8ccf51c6f29 100644
--- a/arch/arm/mach-omap1/Makefile
+++ b/arch/arm/mach-omap1/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the linux kernel.
#
diff --git a/arch/arm/mach-omap1/camera.h b/arch/arm/mach-omap1/camera.h
index caa6c0d6f0ac..8018f410d024 100644
--- a/arch/arm/mach-omap1/camera.h
+++ b/arch/arm/mach-omap1/camera.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_ARCH_CAMERA_H_
#define __ASM_ARCH_CAMERA_H_
diff --git a/arch/arm/mach-omap1/include/mach/memory.h b/arch/arm/mach-omap1/include/mach/memory.h
index d43ff0f1cbf8..1142560e0078 100644
--- a/arch/arm/mach-omap1/include/mach/memory.h
+++ b/arch/arm/mach-omap1/include/mach/memory.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/mach-omap1/include/mach/memory.h
*/
diff --git a/arch/arm/mach-omap1/include/mach/usb.h b/arch/arm/mach-omap1/include/mach/usb.h
index eb76628ff843..77867778d4ec 100644
--- a/arch/arm/mach-omap1/include/mach/usb.h
+++ b/arch/arm/mach-omap1/include/mach/usb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* FIXME correct answer depends on hmc_mode,
* as does (on omap1) any nonzero value for config->otg port number
diff --git a/arch/arm/mach-omap1/mmc.h b/arch/arm/mach-omap1/mmc.h
index d7b46880e4ca..043bd02f3f2a 100644
--- a/arch/arm/mach-omap1/mmc.h
+++ b/arch/arm/mach-omap1/mmc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/mmc/host.h>
#include <linux/platform_data/mmc-omap.h>
diff --git a/arch/arm/mach-omap1/reset.c b/arch/arm/mach-omap1/reset.c
index 72bf4bf4a702..af2c120b0c4e 100644
--- a/arch/arm/mach-omap1/reset.c
+++ b/arch/arm/mach-omap1/reset.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* OMAP1 reset support
*/
diff --git a/arch/arm/mach-omap1/sram.h b/arch/arm/mach-omap1/sram.h
index d5a6c8362301..73efabd119e8 100644
--- a/arch/arm/mach-omap1/sram.h
+++ b/arch/arm/mach-omap1/sram.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <plat/sram.h>
extern void omap_sram_reprogram_clock(u32 dpllctl, u32 ckctl);
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index b3b3b3a19183..38f1748a4500 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the linux kernel.
#
diff --git a/arch/arm/mach-omap2/clock2xxx.h b/arch/arm/mach-omap2/clock2xxx.h
index 125c37614848..a8408f9d0f33 100644
--- a/arch/arm/mach-omap2/clock2xxx.h
+++ b/arch/arm/mach-omap2/clock2xxx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* OMAP2 clock function prototypes and macros
*
diff --git a/arch/arm/mach-omap2/clock3xxx.h b/arch/arm/mach-omap2/clock3xxx.h
index 78d9f562e3ce..10a9f577dc1a 100644
--- a/arch/arm/mach-omap2/clock3xxx.h
+++ b/arch/arm/mach-omap2/clock3xxx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* OMAP3-common clock function prototypes and macros
*
diff --git a/arch/arm/mach-omap2/clockdomains2420_data.c b/arch/arm/mach-omap2/clockdomains2420_data.c
index 7e76becf3a4a..ac4ffb5d2ffc 100644
--- a/arch/arm/mach-omap2/clockdomains2420_data.c
+++ b/arch/arm/mach-omap2/clockdomains2420_data.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* OMAP2420 clockdomains
*
diff --git a/arch/arm/mach-omap2/clockdomains2430_data.c b/arch/arm/mach-omap2/clockdomains2430_data.c
index b923007e45d0..0e97e178abaa 100644
--- a/arch/arm/mach-omap2/clockdomains2430_data.c
+++ b/arch/arm/mach-omap2/clockdomains2430_data.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* OMAP2xxx clockdomains
*
diff --git a/arch/arm/mach-omap2/clockdomains2xxx_3xxx_data.c b/arch/arm/mach-omap2/clockdomains2xxx_3xxx_data.c
index 4972219653ce..220c22f5e0f5 100644
--- a/arch/arm/mach-omap2/clockdomains2xxx_3xxx_data.c
+++ b/arch/arm/mach-omap2/clockdomains2xxx_3xxx_data.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* OMAP2/3 clockdomain common data
*
diff --git a/arch/arm/mach-omap2/clockdomains3xxx_data.c b/arch/arm/mach-omap2/clockdomains3xxx_data.c
index f03dc97921ad..94bbd3831ac3 100644
--- a/arch/arm/mach-omap2/clockdomains3xxx_data.c
+++ b/arch/arm/mach-omap2/clockdomains3xxx_data.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* OMAP3xxx clockdomains
*
diff --git a/arch/arm/mach-omap2/common-board-devices.h b/arch/arm/mach-omap2/common-board-devices.h
index 335c7822fea1..b23962c38fb2 100644
--- a/arch/arm/mach-omap2/common-board-devices.h
+++ b/arch/arm/mach-omap2/common-board-devices.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __OMAP_COMMON_BOARD_DEVICES__
#define __OMAP_COMMON_BOARD_DEVICES__
diff --git a/arch/arm/mach-omap2/mmc.h b/arch/arm/mach-omap2/mmc.h
index 30d39b97e7dd..9145a6f720fc 100644
--- a/arch/arm/mach-omap2/mmc.h
+++ b/arch/arm/mach-omap2/mmc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#define OMAP24XX_NR_MMC 2
#define OMAP2420_MMC_SIZE OMAP1_MMC_SIZE
diff --git a/arch/arm/mach-omap2/omap-pm-noop.c b/arch/arm/mach-omap2/omap-pm-noop.c
index a1ee8066958e..4ead077ea4e7 100644
--- a/arch/arm/mach-omap2/omap-pm-noop.c
+++ b/arch/arm/mach-omap2/omap-pm-noop.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* omap-pm-noop.c - OMAP power management interface - dummy version
*
diff --git a/arch/arm/mach-omap2/omap-pm.h b/arch/arm/mach-omap2/omap-pm.h
index 109bef5538eb..5ba5df47f91b 100644
--- a/arch/arm/mach-omap2/omap-pm.h
+++ b/arch/arm/mach-omap2/omap-pm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* omap-pm.h - OMAP power management interface
*
diff --git a/arch/arm/mach-omap2/opp2420_data.c b/arch/arm/mach-omap2/opp2420_data.c
index a9e8cf21705d..18a448f938ea 100644
--- a/arch/arm/mach-omap2/opp2420_data.c
+++ b/arch/arm/mach-omap2/opp2420_data.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* opp2420_data.c - old-style "OPP" table for OMAP2420
*
diff --git a/arch/arm/mach-omap2/opp2430_data.c b/arch/arm/mach-omap2/opp2430_data.c
index b2233b72b24d..ded8b566a23a 100644
--- a/arch/arm/mach-omap2/opp2430_data.c
+++ b/arch/arm/mach-omap2/opp2430_data.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* opp2430_data.c - old-style "OPP" table for OMAP2430
*
diff --git a/arch/arm/mach-omap2/opp2xxx.h b/arch/arm/mach-omap2/opp2xxx.h
index 8fae534eb157..a451182cdc02 100644
--- a/arch/arm/mach-omap2/opp2xxx.h
+++ b/arch/arm/mach-omap2/opp2xxx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* opp2xxx.h - macros for old-style OMAP2xxx "OPP" definitions
*
diff --git a/arch/arm/mach-omap2/usb.h b/arch/arm/mach-omap2/usb.h
index 3395365ef1db..740a499befce 100644
--- a/arch/arm/mach-omap2/usb.h
+++ b/arch/arm/mach-omap2/usb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/platform_data/usb-omap.h>
/* AM35x */
diff --git a/arch/arm/mach-omap2/vp.c b/arch/arm/mach-omap2/vp.c
index a3c30655aa30..a709655b978c 100644
--- a/arch/arm/mach-omap2/vp.c
+++ b/arch/arm/mach-omap2/vp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/kernel.h>
#include <linux/init.h>
diff --git a/arch/arm/mach-orion5x/Makefile b/arch/arm/mach-orion5x/Makefile
index ae91872eeee4..1a585a62d5e6 100644
--- a/arch/arm/mach-orion5x/Makefile
+++ b/arch/arm/mach-orion5x/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/arch/arm/plat-orion/include
obj-y += common.o pci.o irq.o mpp.o
diff --git a/arch/arm/mach-orion5x/common.h b/arch/arm/mach-orion5x/common.h
index 4c0c7de665c3..eb96009e21c4 100644
--- a/arch/arm/mach-orion5x/common.h
+++ b/arch/arm/mach-orion5x/common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ARCH_ORION5X_COMMON_H
#define __ARCH_ORION5X_COMMON_H
diff --git a/arch/arm/mach-orion5x/mpp.h b/arch/arm/mach-orion5x/mpp.h
index db70e79a1198..be1c78663291 100644
--- a/arch/arm/mach-orion5x/mpp.h
+++ b/arch/arm/mach-orion5x/mpp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ARCH_ORION5X_MPP_H
#define __ARCH_ORION5X_MPP_H
diff --git a/arch/arm/mach-orion5x/ts78xx-fpga.h b/arch/arm/mach-orion5x/ts78xx-fpga.h
index 97c393d39ae2..2f4fe3ca5c1a 100644
--- a/arch/arm/mach-orion5x/ts78xx-fpga.h
+++ b/arch/arm/mach-orion5x/ts78xx-fpga.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#define TS7800_FPGA_MAGIC 0x00b480
#define FPGAID(_magic, _rev) ((_magic << 8) + _rev)
diff --git a/arch/arm/mach-orion5x/tsx09-common.h b/arch/arm/mach-orion5x/tsx09-common.h
index 0984264616f0..72bedc6b82fb 100644
--- a/arch/arm/mach-orion5x/tsx09-common.h
+++ b/arch/arm/mach-orion5x/tsx09-common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ARCH_ORION5X_TSX09_COMMON_H
#define __ARCH_ORION5X_TSX09_COMMON_H
diff --git a/arch/arm/mach-prima2/Makefile b/arch/arm/mach-prima2/Makefile
index d7d02b043449..0fd2763031e9 100644
--- a/arch/arm/mach-prima2/Makefile
+++ b/arch/arm/mach-prima2/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
obj-y += rstc.o
obj-y += common.o
obj-y += rtciobrg.o
diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile
index ef25dc597f30..0a8e9611052f 100644
--- a/arch/arm/mach-pxa/Makefile
+++ b/arch/arm/mach-pxa/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the linux kernel.
#
diff --git a/arch/arm/mach-pxa/cm-x2xx-pci.h b/arch/arm/mach-pxa/cm-x2xx-pci.h
index e24aad2e3ad7..93ffaaee75d7 100644
--- a/arch/arm/mach-pxa/cm-x2xx-pci.h
+++ b/arch/arm/mach-pxa/cm-x2xx-pci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
extern void __cmx2xx_pci_init_irq(int irq_gpio);
extern void __cmx2xx_pci_suspend(void);
extern void __cmx2xx_pci_resume(void);
diff --git a/arch/arm/mach-pxa/colibri.h b/arch/arm/mach-pxa/colibri.h
index cb4236e98a0f..673a131da875 100644
--- a/arch/arm/mach-pxa/colibri.h
+++ b/arch/arm/mach-pxa/colibri.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _COLIBRI_H_
#define _COLIBRI_H_
diff --git a/arch/arm/mach-pxa/csb701.c b/arch/arm/mach-pxa/csb701.c
index 5a221a49ea4d..527c9fdf9795 100644
--- a/arch/arm/mach-pxa/csb701.c
+++ b/arch/arm/mach-pxa/csb701.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/platform_device.h>
diff --git a/arch/arm/mach-pxa/devices.c b/arch/arm/mach-pxa/devices.c
index fffb697bbf0e..5a72456a19ce 100644
--- a/arch/arm/mach-pxa/devices.c
+++ b/arch/arm/mach-pxa/devices.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
diff --git a/arch/arm/mach-pxa/devices.h b/arch/arm/mach-pxa/devices.h
index 04580c407276..905628dfbbbb 100644
--- a/arch/arm/mach-pxa/devices.h
+++ b/arch/arm/mach-pxa/devices.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
extern struct platform_device pxa_device_pmu;
extern struct platform_device pxa_device_mci;
extern struct platform_device pxa3xx_device_mci2;
diff --git a/arch/arm/mach-pxa/include/mach/addr-map.h b/arch/arm/mach-pxa/include/mach/addr-map.h
index 07b93fd24474..93cfe7dbfec6 100644
--- a/arch/arm/mach-pxa/include/mach/addr-map.h
+++ b/arch/arm/mach-pxa/include/mach/addr-map.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_MACH_ADDR_MAP_H
#define __ASM_MACH_ADDR_MAP_H
diff --git a/arch/arm/mach-pxa/include/mach/audio.h b/arch/arm/mach-pxa/include/mach/audio.h
index a3449e35a6f5..7beebf7297b5 100644
--- a/arch/arm/mach-pxa/include/mach/audio.h
+++ b/arch/arm/mach-pxa/include/mach/audio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_ARCH_AUDIO_H__
#define __ASM_ARCH_AUDIO_H__
diff --git a/arch/arm/mach-pxa/include/mach/bitfield.h b/arch/arm/mach-pxa/include/mach/bitfield.h
index f1f0e3387d9c..fe2ca441bc0a 100644
--- a/arch/arm/mach-pxa/include/mach/bitfield.h
+++ b/arch/arm/mach-pxa/include/mach/bitfield.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* FILE bitfield.h
*
diff --git a/arch/arm/mach-pxa/include/mach/io.h b/arch/arm/mach-pxa/include/mach/io.h
index cd78b7fe3567..d54031c4f3df 100644
--- a/arch/arm/mach-pxa/include/mach/io.h
+++ b/arch/arm/mach-pxa/include/mach/io.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/mach-pxa/include/mach/io.h
*
diff --git a/arch/arm/mach-pxa/include/mach/regs-ac97.h b/arch/arm/mach-pxa/include/mach/regs-ac97.h
index b8d14bd9ae59..1db96fd4df32 100644
--- a/arch/arm/mach-pxa/include/mach/regs-ac97.h
+++ b/arch/arm/mach-pxa/include/mach/regs-ac97.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_ARCH_REGS_AC97_H
#define __ASM_ARCH_REGS_AC97_H
diff --git a/arch/arm/mach-pxa/include/mach/regs-lcd.h b/arch/arm/mach-pxa/include/mach/regs-lcd.h
index f82dcea792d9..e2b6e3d1f625 100644
--- a/arch/arm/mach-pxa/include/mach/regs-lcd.h
+++ b/arch/arm/mach-pxa/include/mach/regs-lcd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_ARCH_REGS_LCD_H
#define __ASM_ARCH_REGS_LCD_H
diff --git a/arch/arm/mach-pxa/include/mach/regs-ost.h b/arch/arm/mach-pxa/include/mach/regs-ost.h
index 628819995c52..deb564ed8ee7 100644
--- a/arch/arm/mach-pxa/include/mach/regs-ost.h
+++ b/arch/arm/mach-pxa/include/mach/regs-ost.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_MACH_REGS_OST_H
#define __ASM_MACH_REGS_OST_H
diff --git a/arch/arm/mach-pxa/include/mach/regs-uart.h b/arch/arm/mach-pxa/include/mach/regs-uart.h
index 55aeb7fb72f6..9a168f83afeb 100644
--- a/arch/arm/mach-pxa/include/mach/regs-uart.h
+++ b/arch/arm/mach-pxa/include/mach/regs-uart.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_ARCH_REGS_UART_H
#define __ASM_ARCH_REGS_UART_H
diff --git a/arch/arm/mach-pxa/include/mach/reset.h b/arch/arm/mach-pxa/include/mach/reset.h
index b6c10556fbc7..e1c4d100fd45 100644
--- a/arch/arm/mach-pxa/include/mach/reset.h
+++ b/arch/arm/mach-pxa/include/mach/reset.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_ARCH_RESET_H
#define __ASM_ARCH_RESET_H
diff --git a/arch/arm/mach-pxa/include/mach/trizeps4.h b/arch/arm/mach-pxa/include/mach/trizeps4.h
index ae3ca013afab..3cddb1428c5e 100644
--- a/arch/arm/mach-pxa/include/mach/trizeps4.h
+++ b/arch/arm/mach-pxa/include/mach/trizeps4.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/************************************************************************
* Include file for TRIZEPS4 SoM and ConXS eval-board
* Copyright (c) J├╝rgen Schindele
diff --git a/arch/arm/mach-pxa/littleton.h b/arch/arm/mach-pxa/littleton.h
index 8066be54e9f5..a0a8d2bf9d71 100644
--- a/arch/arm/mach-pxa/littleton.h
+++ b/arch/arm/mach-pxa/littleton.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_ARCH_LITTLETON_H
#define __ASM_ARCH_LITTLETON_H
diff --git a/arch/arm/mach-pxa/mfp-pxa25x.h b/arch/arm/mach-pxa/mfp-pxa25x.h
index 1c59d4b3b19b..d0ebb2154503 100644
--- a/arch/arm/mach-pxa/mfp-pxa25x.h
+++ b/arch/arm/mach-pxa/mfp-pxa25x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_ARCH_MFP_PXA25X_H
#define __ASM_ARCH_MFP_PXA25X_H
diff --git a/arch/arm/mach-pxa/mfp-pxa27x.h b/arch/arm/mach-pxa/mfp-pxa27x.h
index 9fe5601ce668..9f5ffb785ff5 100644
--- a/arch/arm/mach-pxa/mfp-pxa27x.h
+++ b/arch/arm/mach-pxa/mfp-pxa27x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_ARCH_MFP_PXA27X_H
#define __ASM_ARCH_MFP_PXA27X_H
diff --git a/arch/arm/mach-pxa/mfp-pxa2xx.h b/arch/arm/mach-pxa/mfp-pxa2xx.h
index cbf51ae81855..980145e7ee99 100644
--- a/arch/arm/mach-pxa/mfp-pxa2xx.h
+++ b/arch/arm/mach-pxa/mfp-pxa2xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_ARCH_MFP_PXA2XX_H
#define __ASM_ARCH_MFP_PXA2XX_H
diff --git a/arch/arm/mach-pxa/mfp-pxa3xx.h b/arch/arm/mach-pxa/mfp-pxa3xx.h
index d375195d982b..cdd830926d1c 100644
--- a/arch/arm/mach-pxa/mfp-pxa3xx.h
+++ b/arch/arm/mach-pxa/mfp-pxa3xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_ARCH_MFP_PXA3XX_H
#define __ASM_ARCH_MFP_PXA3XX_H
diff --git a/arch/arm/mach-pxa/mioa701.h b/arch/arm/mach-pxa/mioa701.h
index e57f5c724e8a..d94295c67460 100644
--- a/arch/arm/mach-pxa/mioa701.h
+++ b/arch/arm/mach-pxa/mioa701.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _MIOA701_H_
#define _MIOA701_H_
diff --git a/arch/arm/mach-pxa/mxm8x10.h b/arch/arm/mach-pxa/mxm8x10.h
index ffa15665a418..dcd32321c995 100644
--- a/arch/arm/mach-pxa/mxm8x10.h
+++ b/arch/arm/mach-pxa/mxm8x10.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __MACH_MXM_8X10_H
#define __MACH_MXM_8X10_H
diff --git a/arch/arm/mach-pxa/pxa25x.h b/arch/arm/mach-pxa/pxa25x.h
index 2011e8da0592..b58d0fbdb4db 100644
--- a/arch/arm/mach-pxa/pxa25x.h
+++ b/arch/arm/mach-pxa/pxa25x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __MACH_PXA25x_H
#define __MACH_PXA25x_H
diff --git a/arch/arm/mach-pxa/pxa27x-udc.h b/arch/arm/mach-pxa/pxa27x-udc.h
index 4cf28f670706..faf73804697f 100644
--- a/arch/arm/mach-pxa/pxa27x-udc.h
+++ b/arch/arm/mach-pxa/pxa27x-udc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_ARCH_PXA27X_UDC_H
#define _ASM_ARCH_PXA27X_UDC_H
diff --git a/arch/arm/mach-pxa/pxa27x.h b/arch/arm/mach-pxa/pxa27x.h
index 075131d83eab..abdc02fb4f03 100644
--- a/arch/arm/mach-pxa/pxa27x.h
+++ b/arch/arm/mach-pxa/pxa27x.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __MACH_PXA27x_H
#define __MACH_PXA27x_H
diff --git a/arch/arm/mach-pxa/pxa300.h b/arch/arm/mach-pxa/pxa300.h
index 59fa41025c80..d02a8d15c7e8 100644
--- a/arch/arm/mach-pxa/pxa300.h
+++ b/arch/arm/mach-pxa/pxa300.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __MACH_PXA300_H
#define __MACH_PXA300_H
diff --git a/arch/arm/mach-pxa/pxa320.h b/arch/arm/mach-pxa/pxa320.h
index b9e5115a1c30..c701e3f663b0 100644
--- a/arch/arm/mach-pxa/pxa320.h
+++ b/arch/arm/mach-pxa/pxa320.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __MACH_PXA320_H
#define __MACH_PXA320_H
diff --git a/arch/arm/mach-pxa/pxa3xx.h b/arch/arm/mach-pxa/pxa3xx.h
index b4143fb6631f..6d4502aa9d06 100644
--- a/arch/arm/mach-pxa/pxa3xx.h
+++ b/arch/arm/mach-pxa/pxa3xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __MACH_PXA3XX_H
#define __MACH_PXA3XX_H
diff --git a/arch/arm/mach-pxa/pxa930.h b/arch/arm/mach-pxa/pxa930.h
index 4eceb02978e8..bbf25c044641 100644
--- a/arch/arm/mach-pxa/pxa930.h
+++ b/arch/arm/mach-pxa/pxa930.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __MACH_PXA930_H
#define __MACH_PXA930_H
diff --git a/arch/arm/mach-pxa/regs-rtc.h b/arch/arm/mach-pxa/regs-rtc.h
index f0e4a589bbe1..b1f9ff14e335 100644
--- a/arch/arm/mach-pxa/regs-rtc.h
+++ b/arch/arm/mach-pxa/regs-rtc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_MACH_REGS_RTC_H
#define __ASM_MACH_REGS_RTC_H
diff --git a/arch/arm/mach-pxa/regs-u2d.h b/arch/arm/mach-pxa/regs-u2d.h
index c15c0c57de08..fe4c80ad87ec 100644
--- a/arch/arm/mach-pxa/regs-u2d.h
+++ b/arch/arm/mach-pxa/regs-u2d.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_ARCH_PXA3xx_U2D_H
#define __ASM_ARCH_PXA3xx_U2D_H
diff --git a/arch/arm/mach-pxa/smemc.c b/arch/arm/mach-pxa/smemc.c
index f38aa890b2c9..32e82cc92ea5 100644
--- a/arch/arm/mach-pxa/smemc.c
+++ b/arch/arm/mach-pxa/smemc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Static Memory Controller
*/
diff --git a/arch/arm/mach-pxa/zylonite.h b/arch/arm/mach-pxa/zylonite.h
index ecca976f03d2..7300ec2aac0d 100644
--- a/arch/arm/mach-pxa/zylonite.h
+++ b/arch/arm/mach-pxa/zylonite.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_ARCH_ZYLONITE_H
#define __ASM_ARCH_ZYLONITE_H
diff --git a/arch/arm/mach-rpc/fiq.S b/arch/arm/mach-rpc/fiq.S
index 48ddd57db16e..0de83e9b0b39 100644
--- a/arch/arm/mach-rpc/fiq.S
+++ b/arch/arm/mach-rpc/fiq.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <mach/hardware.h>
diff --git a/arch/arm/mach-rpc/include/mach/entry-macro.S b/arch/arm/mach-rpc/include/mach/entry-macro.S
index 7178368d7062..a6d1a9f4bb79 100644
--- a/arch/arm/mach-rpc/include/mach/entry-macro.S
+++ b/arch/arm/mach-rpc/include/mach/entry-macro.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <mach/hardware.h>
#include <asm/hardware/entry-macro-iomd.S>
diff --git a/arch/arm/mach-rpc/irq.c b/arch/arm/mach-rpc/irq.c
index 66502e6207fe..b8a61cb11207 100644
--- a/arch/arm/mach-rpc/irq.c
+++ b/arch/arm/mach-rpc/irq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/init.h>
#include <linux/list.h>
#include <linux/io.h>
diff --git a/arch/arm/mach-s3c24xx/include/mach/io.h b/arch/arm/mach-s3c24xx/include/mach/io.h
index 235c53647aa4..f960e6d10114 100644
--- a/arch/arm/mach-s3c24xx/include/mach/io.h
+++ b/arch/arm/mach-s3c24xx/include/mach/io.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/mach-s3c2410/include/mach/io.h
* from arch/arm/mach-rpc/include/mach/io.h
diff --git a/arch/arm/mach-s3c64xx/include/mach/dma.h b/arch/arm/mach-s3c64xx/include/mach/dma.h
index 9c739eafe95c..40ca8de21096 100644
--- a/arch/arm/mach-s3c64xx/include/mach/dma.h
+++ b/arch/arm/mach-s3c64xx/include/mach/dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/* linux/arch/arm/mach-s3c6400/include/mach/dma.h
*
* Copyright 2008 Openmoko, Inc.
diff --git a/arch/arm/mach-s3c64xx/include/mach/irqs.h b/arch/arm/mach-s3c64xx/include/mach/irqs.h
index 3ceb00b5de07..c244e480e6b3 100644
--- a/arch/arm/mach-s3c64xx/include/mach/irqs.h
+++ b/arch/arm/mach-s3c64xx/include/mach/irqs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/* linux/arch/arm/mach-s3c64xx/include/mach/irqs.h
*
* Copyright 2008 Openmoko, Inc.
diff --git a/arch/arm/mach-s3c64xx/include/mach/regs-gpio.h b/arch/arm/mach-s3c64xx/include/mach/regs-gpio.h
index 81f7f6e6832e..592a2be3d2aa 100644
--- a/arch/arm/mach-s3c64xx/include/mach/regs-gpio.h
+++ b/arch/arm/mach-s3c64xx/include/mach/regs-gpio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/* linux/arch/arm/plat-s3c64xx/include/mach/regs-gpio.h
*
* Copyright 2008 Openmoko, Inc.
diff --git a/arch/arm/mach-s3c64xx/regs-gpio-memport.h b/arch/arm/mach-s3c64xx/regs-gpio-memport.h
index b927593019f5..589afe1132d6 100644
--- a/arch/arm/mach-s3c64xx/regs-gpio-memport.h
+++ b/arch/arm/mach-s3c64xx/regs-gpio-memport.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright 2008 Openmoko, Inc.
* Copyright 2008 Simtec Electronics
diff --git a/arch/arm/mach-sa1100/Makefile b/arch/arm/mach-sa1100/Makefile
index ebc4d58e1a32..28c1cae0053f 100644
--- a/arch/arm/mach-sa1100/Makefile
+++ b/arch/arm/mach-sa1100/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the linux kernel.
#
diff --git a/arch/arm/mach-sa1100/clock.c b/arch/arm/mach-sa1100/clock.c
index 7d52cd97d96e..b2eb3d232e39 100644
--- a/arch/arm/mach-sa1100/clock.c
+++ b/arch/arm/mach-sa1100/clock.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/arch/arm/mach-sa1100/clock.c
*/
diff --git a/arch/arm/mach-sa1100/generic.h b/arch/arm/mach-sa1100/generic.h
index 68199b603ff7..97502922a15d 100644
--- a/arch/arm/mach-sa1100/generic.h
+++ b/arch/arm/mach-sa1100/generic.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* linux/arch/arm/mach-sa1100/generic.h
*
diff --git a/arch/arm/mach-sa1100/include/mach/SA-1100.h b/arch/arm/mach-sa1100/include/mach/SA-1100.h
index 7972617cca64..6e6ff3e18f0f 100644
--- a/arch/arm/mach-sa1100/include/mach/SA-1100.h
+++ b/arch/arm/mach-sa1100/include/mach/SA-1100.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* FILE SA-1100.h
*
diff --git a/arch/arm/mach-sa1100/include/mach/assabet.h b/arch/arm/mach-sa1100/include/mach/assabet.h
index c23fcdb047a5..558b45323a2d 100644
--- a/arch/arm/mach-sa1100/include/mach/assabet.h
+++ b/arch/arm/mach-sa1100/include/mach/assabet.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/mach-sa1100/include/mach/assabet.h
*
diff --git a/arch/arm/mach-sa1100/include/mach/collie.h b/arch/arm/mach-sa1100/include/mach/collie.h
index b478ca180c19..b7bc23ffd3c6 100644
--- a/arch/arm/mach-sa1100/include/mach/collie.h
+++ b/arch/arm/mach-sa1100/include/mach/collie.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/mach-sa1100/include/mach/collie.h
*
diff --git a/arch/arm/mach-sa1100/include/mach/hardware.h b/arch/arm/mach-sa1100/include/mach/hardware.h
index cc43f95f33cc..6f2dbdc28663 100644
--- a/arch/arm/mach-sa1100/include/mach/hardware.h
+++ b/arch/arm/mach-sa1100/include/mach/hardware.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/mach-sa1100/include/mach/hardware.h
*
diff --git a/arch/arm/mach-sa1100/include/mach/irqs.h b/arch/arm/mach-sa1100/include/mach/irqs.h
index 734e30e406a3..f4a41e665262 100644
--- a/arch/arm/mach-sa1100/include/mach/irqs.h
+++ b/arch/arm/mach-sa1100/include/mach/irqs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/mach-sa1100/include/mach/irqs.h
*
diff --git a/arch/arm/mach-sa1100/include/mach/memory.h b/arch/arm/mach-sa1100/include/mach/memory.h
index 2054051eb797..fa5cf4744992 100644
--- a/arch/arm/mach-sa1100/include/mach/memory.h
+++ b/arch/arm/mach-sa1100/include/mach/memory.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/mach-sa1100/include/mach/memory.h
*
diff --git a/arch/arm/mach-sa1100/include/mach/neponset.h b/arch/arm/mach-sa1100/include/mach/neponset.h
index 5516a52a329d..18411cfdfe8e 100644
--- a/arch/arm/mach-sa1100/include/mach/neponset.h
+++ b/arch/arm/mach-sa1100/include/mach/neponset.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/mach-sa1100/include/mach/neponset.h
*
diff --git a/arch/arm/mach-sa1100/include/mach/reset.h b/arch/arm/mach-sa1100/include/mach/reset.h
index f61957e6842a..27695650a567 100644
--- a/arch/arm/mach-sa1100/include/mach/reset.h
+++ b/arch/arm/mach-sa1100/include/mach/reset.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_ARCH_RESET_H
#define __ASM_ARCH_RESET_H
diff --git a/arch/arm/mach-sa1100/include/mach/shannon.h b/arch/arm/mach-sa1100/include/mach/shannon.h
index fff39e02b496..d830375f329c 100644
--- a/arch/arm/mach-sa1100/include/mach/shannon.h
+++ b/arch/arm/mach-sa1100/include/mach/shannon.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _INCLUDE_SHANNON_H
#define _INCLUDE_SHANNON_H
diff --git a/arch/arm/mach-sa1100/include/mach/simpad.h b/arch/arm/mach-sa1100/include/mach/simpad.h
index ac2ea767215d..d53d680de3d9 100644
--- a/arch/arm/mach-sa1100/include/mach/simpad.h
+++ b/arch/arm/mach-sa1100/include/mach/simpad.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/mach-sa1100/include/mach/simpad.h
*
diff --git a/arch/arm/mach-sa1100/include/mach/uncompress.h b/arch/arm/mach-sa1100/include/mach/uncompress.h
index a1a041b9740b..f5eaa90a4576 100644
--- a/arch/arm/mach-sa1100/include/mach/uncompress.h
+++ b/arch/arm/mach-sa1100/include/mach/uncompress.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/mach-sa1100/include/mach/uncompress.h
*
diff --git a/arch/arm/mach-sa1100/lart.c b/arch/arm/mach-sa1100/lart.c
index 51b0eb52c014..e3a0279750e3 100644
--- a/arch/arm/mach-sa1100/lart.c
+++ b/arch/arm/mach-sa1100/lart.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/arch/arm/mach-sa1100/lart.c
*/
diff --git a/arch/arm/mach-sa1100/neponset.c b/arch/arm/mach-sa1100/neponset.c
index 8411985af9ff..a61a2432766b 100644
--- a/arch/arm/mach-sa1100/neponset.c
+++ b/arch/arm/mach-sa1100/neponset.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/arch/arm/mach-sa1100/neponset.c
*/
diff --git a/arch/arm/mach-sa1100/pleb.c b/arch/arm/mach-sa1100/pleb.c
index 88149f85bc49..b2b0c9fc18f7 100644
--- a/arch/arm/mach-sa1100/pleb.c
+++ b/arch/arm/mach-sa1100/pleb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/arch/arm/mach-sa1100/pleb.c
*/
diff --git a/arch/arm/mach-sa1100/shannon.c b/arch/arm/mach-sa1100/shannon.c
index c8866bce7386..856664c783d9 100644
--- a/arch/arm/mach-sa1100/shannon.c
+++ b/arch/arm/mach-sa1100/shannon.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/arch/arm/mach-sa1100/shannon.c
*/
diff --git a/arch/arm/mach-sa1100/simpad.c b/arch/arm/mach-sa1100/simpad.c
index bb3ca9c763de..e8d25a7bbcb8 100644
--- a/arch/arm/mach-sa1100/simpad.c
+++ b/arch/arm/mach-sa1100/simpad.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/arch/arm/mach-sa1100/simpad.c
*/
diff --git a/arch/arm/mach-shmobile/Makefile b/arch/arm/mach-shmobile/Makefile
index 64611a1b4276..e16b81ec4b07 100644
--- a/arch/arm/mach-shmobile/Makefile
+++ b/arch/arm/mach-shmobile/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the linux kernel.
#
diff --git a/arch/arm/mach-shmobile/common.h b/arch/arm/mach-shmobile/common.h
index 1a8f7b3ab449..f8fcd799d677 100644
--- a/arch/arm/mach-shmobile/common.h
+++ b/arch/arm/mach-shmobile/common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ARCH_MACH_COMMON_H
#define __ARCH_MACH_COMMON_H
diff --git a/arch/arm/mach-shmobile/emev2.h b/arch/arm/mach-shmobile/emev2.h
index 916d25f6780e..39f6cd8e6003 100644
--- a/arch/arm/mach-shmobile/emev2.h
+++ b/arch/arm/mach-shmobile/emev2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_EMEV2_H__
#define __ASM_EMEV2_H__
diff --git a/arch/arm/mach-shmobile/r8a7779.h b/arch/arm/mach-shmobile/r8a7779.h
index 2a5f7730a03c..30668aa6acc3 100644
--- a/arch/arm/mach-shmobile/r8a7779.h
+++ b/arch/arm/mach-shmobile/r8a7779.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_R8A7779_H__
#define __ASM_R8A7779_H__
diff --git a/arch/arm/mach-shmobile/r8a7790.h b/arch/arm/mach-shmobile/r8a7790.h
index 136f3455e9c7..669c8cd09e07 100644
--- a/arch/arm/mach-shmobile/r8a7790.h
+++ b/arch/arm/mach-shmobile/r8a7790.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_R8A7790_H__
#define __ASM_R8A7790_H__
diff --git a/arch/arm/mach-shmobile/r8a7791.h b/arch/arm/mach-shmobile/r8a7791.h
index cf7a8405bd7f..8c794aace938 100644
--- a/arch/arm/mach-shmobile/r8a7791.h
+++ b/arch/arm/mach-shmobile/r8a7791.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_R8A7791_H__
#define __ASM_R8A7791_H__
diff --git a/arch/arm/mach-shmobile/rcar-gen2.h b/arch/arm/mach-shmobile/rcar-gen2.h
index 6792e249cf56..4777fff2de41 100644
--- a/arch/arm/mach-shmobile/rcar-gen2.h
+++ b/arch/arm/mach-shmobile/rcar-gen2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_RCAR_GEN2_H__
#define __ASM_RCAR_GEN2_H__
diff --git a/arch/arm/mach-shmobile/sh73a0.h b/arch/arm/mach-shmobile/sh73a0.h
index 50ef24f780b3..85c7c7c60b1e 100644
--- a/arch/arm/mach-shmobile/sh73a0.h
+++ b/arch/arm/mach-shmobile/sh73a0.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_SH73A0_H__
#define __ASM_SH73A0_H__
diff --git a/arch/arm/mach-socfpga/Makefile b/arch/arm/mach-socfpga/Makefile
index ed15db19e561..9ec31fad7136 100644
--- a/arch/arm/mach-socfpga/Makefile
+++ b/arch/arm/mach-socfpga/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the linux kernel.
#
diff --git a/arch/arm/mach-spear/Makefile b/arch/arm/mach-spear/Makefile
index a946c19ab31a..176b14f83089 100644
--- a/arch/arm/mach-spear/Makefile
+++ b/arch/arm/mach-spear/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# SPEAr Platform specific Makefile
#
diff --git a/arch/arm/mach-tango/Kconfig b/arch/arm/mach-tango/Kconfig
index ebe15b93bbe8..25b2fd434861 100644
--- a/arch/arm/mach-tango/Kconfig
+++ b/arch/arm/mach-tango/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
config ARCH_TANGO
bool "Sigma Designs Tango4 (SMP87xx)"
depends on ARCH_MULTI_V7
diff --git a/arch/arm/mach-tango/Makefile b/arch/arm/mach-tango/Makefile
index 204fcd9fe180..da6c633d3cc0 100644
--- a/arch/arm/mach-tango/Makefile
+++ b/arch/arm/mach-tango/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
plus_sec := $(call as-instr,.arch_extension sec,+sec)
AFLAGS_smc.o := -Wa,-march=armv7-a$(plus_sec)
diff --git a/arch/arm/mach-tango/platsmp.c b/arch/arm/mach-tango/platsmp.c
index 2f0c6c050fed..65012afbc1a3 100644
--- a/arch/arm/mach-tango/platsmp.c
+++ b/arch/arm/mach-tango/platsmp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/smp.h>
diff --git a/arch/arm/mach-tango/pm.c b/arch/arm/mach-tango/pm.c
index 406c0814eb6e..028e50c6383f 100644
--- a/arch/arm/mach-tango/pm.c
+++ b/arch/arm/mach-tango/pm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/init.h>
#include <linux/suspend.h>
#include <asm/suspend.h>
diff --git a/arch/arm/mach-tango/setup.c b/arch/arm/mach-tango/setup.c
index f14b6c7d255b..677dd7b5efd9 100644
--- a/arch/arm/mach-tango/setup.c
+++ b/arch/arm/mach-tango/setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <asm/mach/arch.h>
#include <asm/hardware/cache-l2x0.h>
#include "smc.h"
diff --git a/arch/arm/mach-tango/smc.S b/arch/arm/mach-tango/smc.S
index 5d932ce3c1bd..361a8dc89804 100644
--- a/arch/arm/mach-tango/smc.S
+++ b/arch/arm/mach-tango/smc.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/linkage.h>
ENTRY(tango_smc)
diff --git a/arch/arm/mach-tango/smc.h b/arch/arm/mach-tango/smc.h
index 57919539da1b..455ce3e06daf 100644
--- a/arch/arm/mach-tango/smc.h
+++ b/arch/arm/mach-tango/smc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
extern int tango_smc(unsigned int val, unsigned int service);
#define tango_set_l2_control(val) tango_smc(val, 0x102)
diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig
index c8368d647741..1e0aeb47bac6 100644
--- a/arch/arm/mach-tegra/Kconfig
+++ b/arch/arm/mach-tegra/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
menuconfig ARCH_TEGRA
bool "NVIDIA Tegra"
depends on ARCH_MULTI_V7
diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile
index 3b33f0bb78ae..6c1dff2eccc2 100644
--- a/arch/arm/mach-tegra/Makefile
+++ b/arch/arm/mach-tegra/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
asflags-y += -march=armv7-a
obj-y += io.o
diff --git a/arch/arm/mach-u300/Kconfig b/arch/arm/mach-u300/Kconfig
index 22dcbf5b76b2..4f43c1cd5db0 100644
--- a/arch/arm/mach-u300/Kconfig
+++ b/arch/arm/mach-u300/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
menuconfig ARCH_U300
bool "ST-Ericsson U300 Series"
depends on ARCH_MULTI_V5 && MMU
diff --git a/arch/arm/mach-uniphier/Kconfig b/arch/arm/mach-uniphier/Kconfig
index 3930fbba30b4..779235a9147d 100644
--- a/arch/arm/mach-uniphier/Kconfig
+++ b/arch/arm/mach-uniphier/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
config ARCH_UNIPHIER
bool "Socionext UniPhier SoCs"
depends on ARCH_MULTI_V7
diff --git a/arch/arm/mach-ux500/Kconfig b/arch/arm/mach-ux500/Kconfig
index 4740ac393297..f98332ea2ef2 100644
--- a/arch/arm/mach-ux500/Kconfig
+++ b/arch/arm/mach-ux500/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
menuconfig ARCH_U8500
bool "ST-Ericsson U8500 Series"
depends on ARCH_MULTI_V7 && MMU
diff --git a/arch/arm/mach-versatile/Kconfig b/arch/arm/mach-versatile/Kconfig
index c257d40ca51d..f5c275434d6c 100644
--- a/arch/arm/mach-versatile/Kconfig
+++ b/arch/arm/mach-versatile/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
config ARCH_VERSATILE
bool "ARM Ltd. Versatile family"
depends on ARCH_MULTI_V5
diff --git a/arch/arm/mach-vexpress/Kconfig b/arch/arm/mach-vexpress/Kconfig
index 7c728ebc0b33..726a68085c3b 100644
--- a/arch/arm/mach-vexpress/Kconfig
+++ b/arch/arm/mach-vexpress/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
menuconfig ARCH_VEXPRESS
bool "ARM Ltd. Versatile Express family"
depends on ARCH_MULTI_V7
diff --git a/arch/arm/mach-vexpress/Makefile b/arch/arm/mach-vexpress/Makefile
index 73caae71f307..51c35e2b737a 100644
--- a/arch/arm/mach-vexpress/Makefile
+++ b/arch/arm/mach-vexpress/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the linux kernel.
#
diff --git a/arch/arm/mach-vexpress/v2m.c b/arch/arm/mach-vexpress/v2m.c
index a0400f4cca89..95886b3bb9dd 100644
--- a/arch/arm/mach-vexpress/v2m.c
+++ b/arch/arm/mach-vexpress/v2m.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <asm/mach/arch.h>
#include "core.h"
diff --git a/arch/arm/mach-vt8500/Kconfig b/arch/arm/mach-vt8500/Kconfig
index c4f1dba7bd8a..1156a585dafc 100644
--- a/arch/arm/mach-vt8500/Kconfig
+++ b/arch/arm/mach-vt8500/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
config ARCH_VT8500
bool
select GPIOLIB
diff --git a/arch/arm/mach-w90x900/Kconfig b/arch/arm/mach-w90x900/Kconfig
index 69bab32a8bc2..b16ffc03bbe5 100644
--- a/arch/arm/mach-w90x900/Kconfig
+++ b/arch/arm/mach-w90x900/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
if ARCH_W90X900
config CPU_W90P910
diff --git a/arch/arm/mach-w90x900/Makefile b/arch/arm/mach-w90x900/Makefile
index 828c0326441e..33b5bf53990f 100644
--- a/arch/arm/mach-w90x900/Makefile
+++ b/arch/arm/mach-w90x900/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the linux kernel.
#
diff --git a/arch/arm/mach-zx/Kconfig b/arch/arm/mach-zx/Kconfig
index 209c97944de2..ea29c84a7849 100644
--- a/arch/arm/mach-zx/Kconfig
+++ b/arch/arm/mach-zx/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
menuconfig ARCH_ZX
bool "ZTE ZX family"
depends on ARCH_MULTI_V7
diff --git a/arch/arm/mach-zynq/Kconfig b/arch/arm/mach-zynq/Kconfig
index fd0aeeb09881..1ca633e3d024 100644
--- a/arch/arm/mach-zynq/Kconfig
+++ b/arch/arm/mach-zynq/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
config ARCH_ZYNQ
bool "Xilinx Zynq ARM Cortex A9 Platform"
depends on ARCH_MULTI_V7
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index 60cdfdc151aa..fd9077a74fce 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
comment "Processor Type"
# Select CPU types depending on the architecture selected. This selects
diff --git a/arch/arm/mm/Makefile b/arch/arm/mm/Makefile
index 950d19babb5f..f353ee569f6b 100644
--- a/arch/arm/mm/Makefile
+++ b/arch/arm/mm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the linux arm-specific parts of the memory manager.
#
diff --git a/arch/arm/mm/abort-ev4.S b/arch/arm/mm/abort-ev4.S
index b3b31e30cadd..a10bcb89594d 100644
--- a/arch/arm/mm/abort-ev4.S
+++ b/arch/arm/mm/abort-ev4.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/linkage.h>
#include <asm/assembler.h>
/*
diff --git a/arch/arm/mm/abort-ev4t.S b/arch/arm/mm/abort-ev4t.S
index 9da704e7b86e..14743a2f6997 100644
--- a/arch/arm/mm/abort-ev4t.S
+++ b/arch/arm/mm/abort-ev4t.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/linkage.h>
#include <asm/assembler.h>
#include "abort-macro.S"
diff --git a/arch/arm/mm/abort-ev5t.S b/arch/arm/mm/abort-ev5t.S
index a6a381a6caa5..98c523118820 100644
--- a/arch/arm/mm/abort-ev5t.S
+++ b/arch/arm/mm/abort-ev5t.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/linkage.h>
#include <asm/assembler.h>
#include "abort-macro.S"
diff --git a/arch/arm/mm/abort-ev5tj.S b/arch/arm/mm/abort-ev5tj.S
index 00ab011bef58..fec72f4fbaf5 100644
--- a/arch/arm/mm/abort-ev5tj.S
+++ b/arch/arm/mm/abort-ev5tj.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/linkage.h>
#include <asm/assembler.h>
#include "abort-macro.S"
diff --git a/arch/arm/mm/abort-ev6.S b/arch/arm/mm/abort-ev6.S
index 8801a15aa105..c58bf8b43fea 100644
--- a/arch/arm/mm/abort-ev6.S
+++ b/arch/arm/mm/abort-ev6.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/linkage.h>
#include <asm/assembler.h>
#include "abort-macro.S"
diff --git a/arch/arm/mm/abort-ev7.S b/arch/arm/mm/abort-ev7.S
index e8d0e08c227f..f7cc5d68444b 100644
--- a/arch/arm/mm/abort-ev7.S
+++ b/arch/arm/mm/abort-ev7.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/linkage.h>
#include <asm/assembler.h>
/*
diff --git a/arch/arm/mm/abort-lv4t.S b/arch/arm/mm/abort-lv4t.S
index 4cdfab31a0b6..fbd60a120f66 100644
--- a/arch/arm/mm/abort-lv4t.S
+++ b/arch/arm/mm/abort-lv4t.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/linkage.h>
#include <asm/assembler.h>
/*
diff --git a/arch/arm/mm/abort-macro.S b/arch/arm/mm/abort-macro.S
index 4509bee4e081..bacf53fd0b70 100644
--- a/arch/arm/mm/abort-macro.S
+++ b/arch/arm/mm/abort-macro.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* The ARM LDRD and Thumb LDRSB instructions use bit 20/11 (ARM/Thumb)
* differently than every other instruction, so it is set to 0 (write)
diff --git a/arch/arm/mm/abort-nommu.S b/arch/arm/mm/abort-nommu.S
index 119cb479c2ab..6e2366a26321 100644
--- a/arch/arm/mm/abort-nommu.S
+++ b/arch/arm/mm/abort-nommu.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/linkage.h>
#include <asm/assembler.h>
/*
diff --git a/arch/arm/mm/dma.h b/arch/arm/mm/dma.h
index 70ea6852f94e..aaef64b7f177 100644
--- a/arch/arm/mm/dma.h
+++ b/arch/arm/mm/dma.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef DMA_H
#define DMA_H
diff --git a/arch/arm/mm/extable.c b/arch/arm/mm/extable.c
index f436f7439e46..fc33564597b8 100644
--- a/arch/arm/mm/extable.c
+++ b/arch/arm/mm/extable.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/arch/arm/mm/extable.c
*/
diff --git a/arch/arm/mm/fault.h b/arch/arm/mm/fault.h
index afc1f84e763b..c063708fa503 100644
--- a/arch/arm/mm/fault.h
+++ b/arch/arm/mm/fault.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ARCH_ARM_FAULT_H
#define __ARCH_ARM_FAULT_H
diff --git a/arch/arm/mm/fsr-2level.c b/arch/arm/mm/fsr-2level.c
index 18ca74c0f341..f2be95197265 100644
--- a/arch/arm/mm/fsr-2level.c
+++ b/arch/arm/mm/fsr-2level.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
static struct fsr_info fsr_info[] = {
/*
* The following are the standard ARMv3 and ARMv4 aborts. ARMv5
diff --git a/arch/arm/mm/fsr-3level.c b/arch/arm/mm/fsr-3level.c
index ab4409a2307e..d0ae2963656a 100644
--- a/arch/arm/mm/fsr-3level.c
+++ b/arch/arm/mm/fsr-3level.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
static struct fsr_info fsr_info[] = {
{ do_bad, SIGBUS, 0, "unknown 0" },
{ do_bad, SIGBUS, 0, "unknown 1" },
diff --git a/arch/arm/mm/idmap.c b/arch/arm/mm/idmap.c
index 3e511bec69b8..10bfba85eb96 100644
--- a/arch/arm/mm/idmap.c
+++ b/arch/arm/mm/idmap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/slab.h>
diff --git a/arch/arm/mm/iomap.c b/arch/arm/mm/iomap.c
index 4614208369f1..091ddc56827e 100644
--- a/arch/arm/mm/iomap.c
+++ b/arch/arm/mm/iomap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/arch/arm/mm/iomap.c
*
diff --git a/arch/arm/mm/l2c-l2x0-resume.S b/arch/arm/mm/l2c-l2x0-resume.S
index fda415e4ca8f..fc01f1b18523 100644
--- a/arch/arm/mm/l2c-l2x0-resume.S
+++ b/arch/arm/mm/l2c-l2x0-resume.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* L2C-310 early resume code. This can be used by platforms to restore
* the settings of their L2 cache controller before restoring the
diff --git a/arch/arm/mm/mm.h b/arch/arm/mm/mm.h
index ce727d47275c..6b045c6653ea 100644
--- a/arch/arm/mm/mm.h
+++ b/arch/arm/mm/mm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifdef CONFIG_MMU
#include <linux/list.h>
#include <linux/vmalloc.h>
diff --git a/arch/arm/mm/mmap.c b/arch/arm/mm/mmap.c
index f0701d8d24df..eb1de66517d5 100644
--- a/arch/arm/mm/mmap.c
+++ b/arch/arm/mm/mmap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/arch/arm/mm/mmap.c
*/
diff --git a/arch/arm/mm/pabort-legacy.S b/arch/arm/mm/pabort-legacy.S
index 8bbff025269a..b2ffce420106 100644
--- a/arch/arm/mm/pabort-legacy.S
+++ b/arch/arm/mm/pabort-legacy.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/linkage.h>
#include <asm/assembler.h>
diff --git a/arch/arm/mm/pabort-v6.S b/arch/arm/mm/pabort-v6.S
index 9627646ce783..8686265dc941 100644
--- a/arch/arm/mm/pabort-v6.S
+++ b/arch/arm/mm/pabort-v6.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/linkage.h>
#include <asm/assembler.h>
diff --git a/arch/arm/mm/pabort-v7.S b/arch/arm/mm/pabort-v7.S
index 875761f44f3b..9c70b1a21dc9 100644
--- a/arch/arm/mm/pabort-v7.S
+++ b/arch/arm/mm/pabort-v7.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/linkage.h>
#include <asm/assembler.h>
diff --git a/arch/arm/mm/physaddr.c b/arch/arm/mm/physaddr.c
index 02e60f495608..cf75819e4c13 100644
--- a/arch/arm/mm/physaddr.c
+++ b/arch/arm/mm/physaddr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/bug.h>
#include <linux/export.h>
#include <linux/types.h>
diff --git a/arch/arm/mm/proc-macros.S b/arch/arm/mm/proc-macros.S
index f944836da8a2..f10e31d0730a 100644
--- a/arch/arm/mm/proc-macros.S
+++ b/arch/arm/mm/proc-macros.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* We need constants.h for:
* VMA_VM_MM
diff --git a/arch/arm/nwfpe/ARM-gcc.h b/arch/arm/nwfpe/ARM-gcc.h
index 436e54aa02ec..74389f5b0566 100644
--- a/arch/arm/nwfpe/ARM-gcc.h
+++ b/arch/arm/nwfpe/ARM-gcc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
-------------------------------------------------------------------------------
The macro `BITS64' can be defined to indicate that 64-bit integer types are
diff --git a/arch/arm/nwfpe/Makefile b/arch/arm/nwfpe/Makefile
index deb3a82ddbdf..303400fa2cdf 100644
--- a/arch/arm/nwfpe/Makefile
+++ b/arch/arm/nwfpe/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Copyright (C) 1998, 1999, 2001 Philip Blundell
#
diff --git a/arch/arm/oprofile/Makefile b/arch/arm/oprofile/Makefile
index b2215c61cdf0..39688dc9f181 100644
--- a/arch/arm/oprofile/Makefile
+++ b/arch/arm/oprofile/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
obj-$(CONFIG_OPROFILE) += oprofile.o
DRIVER_OBJS = $(addprefix ../../../drivers/oprofile/, \
diff --git a/arch/arm/plat-iop/Makefile b/arch/arm/plat-iop/Makefile
index f2af203d601f..4d839a3cf284 100644
--- a/arch/arm/plat-iop/Makefile
+++ b/arch/arm/plat-iop/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the linux kernel.
#
diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig
index 3e27bffb352d..7276afee30b3 100644
--- a/arch/arm/plat-omap/Kconfig
+++ b/arch/arm/plat-omap/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
config ARCH_OMAP
bool
diff --git a/arch/arm/plat-omap/include/plat/sram.h b/arch/arm/plat-omap/include/plat/sram.h
index ba4525059a99..fb061cf0d736 100644
--- a/arch/arm/plat-omap/include/plat/sram.h
+++ b/arch/arm/plat-omap/include/plat/sram.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
int omap_sram_init(void);
void omap_map_sram(unsigned long start, unsigned long size,
diff --git a/arch/arm/plat-versatile/include/plat/sched_clock.h b/arch/arm/plat-versatile/include/plat/sched_clock.h
index 5c3e4fc9fa0c..83fdaef23c2e 100644
--- a/arch/arm/plat-versatile/include/plat/sched_clock.h
+++ b/arch/arm/plat-versatile/include/plat/sched_clock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef ARM_PLAT_SCHED_CLOCK_H
#define ARM_PLAT_SCHED_CLOCK_H
diff --git a/arch/arm/probes/Makefile b/arch/arm/probes/Makefile
index aa1f8590dcdd..8b0ea5ace100 100644
--- a/arch/arm/probes/Makefile
+++ b/arch/arm/probes/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
obj-$(CONFIG_UPROBES) += decode.o decode-arm.o uprobes/
obj-$(CONFIG_KPROBES) += decode.o kprobes/
ifdef CONFIG_THUMB2_KERNEL
diff --git a/arch/arm/probes/kprobes/Makefile b/arch/arm/probes/kprobes/Makefile
index 76a36bf102b7..14db56f49f0a 100644
--- a/arch/arm/probes/kprobes/Makefile
+++ b/arch/arm/probes/kprobes/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
obj-$(CONFIG_KPROBES) += core.o actions-common.o checkers-common.o
obj-$(CONFIG_ARM_KPROBES_TEST) += test-kprobes.o
test-kprobes-objs := test-core.o
diff --git a/arch/arm/tools/Makefile b/arch/arm/tools/Makefile
index 92eb5c3b486c..ddb89a7db36f 100644
--- a/arch/arm/tools/Makefile
+++ b/arch/arm/tools/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# linux/arch/arm/tools/Makefile
#
diff --git a/arch/arm/tools/gen-mach-types b/arch/arm/tools/gen-mach-types
index 04fef71d7be9..cbe1c33bb871 100644
--- a/arch/arm/tools/gen-mach-types
+++ b/arch/arm/tools/gen-mach-types
@@ -1,4 +1,5 @@
#!/bin/awk
+# SPDX-License-Identifier: GPL-2.0
#
# Awk script to generate include/generated/mach-types.h
#
diff --git a/arch/arm/tools/syscallhdr.sh b/arch/arm/tools/syscallhdr.sh
index 72d4b2e3bdec..6b2f25cdd721 100644
--- a/arch/arm/tools/syscallhdr.sh
+++ b/arch/arm/tools/syscallhdr.sh
@@ -1,4 +1,5 @@
#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
in="$1"
out="$2"
diff --git a/arch/arm/tools/syscallnr.sh b/arch/arm/tools/syscallnr.sh
index d2971296469a..df3ccd0ca831 100644
--- a/arch/arm/tools/syscallnr.sh
+++ b/arch/arm/tools/syscallnr.sh
@@ -1,4 +1,5 @@
#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
in="$1"
out="$2"
my_abis=`echo "($3)" | tr ',' '|'`
diff --git a/arch/arm/tools/syscalltbl.sh b/arch/arm/tools/syscalltbl.sh
index 5ca834545ed3..ae7e93cfbfd3 100644
--- a/arch/arm/tools/syscalltbl.sh
+++ b/arch/arm/tools/syscalltbl.sh
@@ -1,4 +1,5 @@
#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
in="$1"
out="$2"
my_abis=`echo "($3)" | tr ',' '|'`
diff --git a/arch/arm/vdso/Makefile b/arch/arm/vdso/Makefile
index 59a8fa7b8a3b..bb4118213fee 100644
--- a/arch/arm/vdso/Makefile
+++ b/arch/arm/vdso/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
hostprogs-y := vdsomunge
obj-vdso := vgettimeofday.o datapage.o
diff --git a/arch/arm/vdso/datapage.S b/arch/arm/vdso/datapage.S
index a2e60367931b..9cd73b725d9f 100644
--- a/arch/arm/vdso/datapage.S
+++ b/arch/arm/vdso/datapage.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/linkage.h>
#include <asm/asm-offsets.h>