arch: add SPDX-License-Identifier to all headers

Record GPL-2.0-only as license for all files lacking an explicit license
statement.

Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Link: https://lore.barebox.org/20220103120539.1730644-9-a.fatoum@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

181 files changed, 357 insertions, 10 deletions

diff --git a/arch/arm/boards/archosg9/archos_features.h b/arch/arm/boards/archosg9/archos_features.h
index 5769c6c668..f46b9e9eb8 100644
--- a/arch/arm/boards/archosg9/archos_features.h
+++ b/arch/arm/boards/archosg9/archos_features.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ARCHOS_FEATURES_H
 #define __ARCHOS_FEATURES_H
 
diff --git a/arch/arm/boards/archosg9/mux.h b/arch/arm/boards/archosg9/mux.h
index 4ee5415871..d4b0c9da86 100644
--- a/arch/arm/boards/archosg9/mux.h
+++ b/arch/arm/boards/archosg9/mux.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef _MUX_H
 #define _MUX_H
 
diff --git a/arch/arm/boards/at91rm9200ek/config.h b/arch/arm/boards/at91rm9200ek/config.h
index 5f4f6fe1ae..a3a0be18ec 100644
--- a/arch/arm/boards/at91rm9200ek/config.h
+++ b/arch/arm/boards/at91rm9200ek/config.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __CONFIG_H
 #define __CONFIG_H
 
diff --git a/arch/arm/boards/beaglebone/beaglebone.h b/arch/arm/boards/beaglebone/beaglebone.h
index a4f48e5b0b..9f1f906699 100644
--- a/arch/arm/boards/beaglebone/beaglebone.h
+++ b/arch/arm/boards/beaglebone/beaglebone.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __BOARD_BEAGLEBONE_H
 #define __BOARD_BEAGLEBONE_H
 
diff --git a/arch/arm/boards/ebv-socrates/sequencer_auto.h b/arch/arm/boards/ebv-socrates/sequencer_auto.h
index 59aa9cf816..d52e19548a 100644
--- a/arch/arm/boards/ebv-socrates/sequencer_auto.h
+++ b/arch/arm/boards/ebv-socrates/sequencer_auto.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #define __RW_MGR_ac_mrs1 0x04
 #define __RW_MGR_ac_mrs3 0x06
 #define __RW_MGR_ac_write_bank_0_col_0_nodata_wl_1 0x1C
diff --git a/arch/arm/boards/ebv-socrates/sequencer_defines.h b/arch/arm/boards/ebv-socrates/sequencer_defines.h
index 1ebbc48011..bef98641aa 100644
--- a/arch/arm/boards/ebv-socrates/sequencer_defines.h
+++ b/arch/arm/boards/ebv-socrates/sequencer_defines.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef _SEQUENCER_DEFINES_H_
 #define _SEQUENCER_DEFINES_H_
 
diff --git a/arch/arm/boards/friendlyarm-mini6410/config.h b/arch/arm/boards/friendlyarm-mini6410/config.h
index ee38192041..87b6ea4a29 100644
--- a/arch/arm/boards/friendlyarm-mini6410/config.h
+++ b/arch/arm/boards/friendlyarm-mini6410/config.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 /* FriendlyARM Mini6410 specific global settings */
 
 #ifndef _MINI6410_CONFIG_H_
diff --git a/arch/arm/boards/friendlyarm-tiny210/config.h b/arch/arm/boards/friendlyarm-tiny210/config.h
index 86aedf0a64..7437e6bddd 100644
--- a/arch/arm/boards/friendlyarm-tiny210/config.h
+++ b/arch/arm/boards/friendlyarm-tiny210/config.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #define S5PCXX_CLOCK_REFERENCE 24000000
 
 #define set_pll(mdiv, pdiv, sdiv)	(1<<31 | mdiv<<16 | pdiv<<8 | sdiv)
diff --git a/arch/arm/boards/friendlyarm-tiny6410/config.h b/arch/arm/boards/friendlyarm-tiny6410/config.h
index 04f68579ed..22692a3025 100644
--- a/arch/arm/boards/friendlyarm-tiny6410/config.h
+++ b/arch/arm/boards/friendlyarm-tiny6410/config.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 /* FriendlyARM Tiny6410 specific global settings */
 
 #ifndef _TINY6410_CONFIG_H_
diff --git a/arch/arm/boards/raspberry-pi/lowlevel.h b/arch/arm/boards/raspberry-pi/lowlevel.h
index 9ef9135b2d..eacf973fb6 100644
--- a/arch/arm/boards/raspberry-pi/lowlevel.h
+++ b/arch/arm/boards/raspberry-pi/lowlevel.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ARCH_ARM_BOARDS_LOWLEVEL_H__
 #define __ARCH_ARM_BOARDS_LOWLEVEL_H__
 
diff --git a/arch/arm/boards/skov-imx6/version.h b/arch/arm/boards/skov-imx6/version.h
index 008410490b..a5d205fe2e 100644
--- a/arch/arm/boards/skov-imx6/version.h
+++ b/arch/arm/boards/skov-imx6/version.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __SKOV_VERSION_H
 #define __SKOV_VERSION_H
 
diff --git a/arch/arm/cpu/entry.h b/arch/arm/cpu/entry.h
index 18110eadf3..ba0d3a25fe 100644
--- a/arch/arm/cpu/entry.h
+++ b/arch/arm/cpu/entry.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ENTRY_H__
 #define __ENTRY_H__
 
diff --git a/arch/arm/cpu/mmu-common.h b/arch/arm/cpu/mmu-common.h
index 0a33b138e1..ed7d5bc316 100644
--- a/arch/arm/cpu/mmu-common.h
+++ b/arch/arm/cpu/mmu-common.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ARM_MMU_COMMON_H
 #define __ARM_MMU_COMMON_H
 
@@ -17,4 +19,4 @@ static inline void arm_mmu_not_initialized_error(void)
 	panic("MMU not initialized\n");
 }
 
-#endif
\ No newline at end of file
+#endif
diff --git a/arch/arm/cpu/mmu.h b/arch/arm/cpu/mmu.h
index c85e0ea050..d48522d166 100644
--- a/arch/arm/cpu/mmu.h
+++ b/arch/arm/cpu/mmu.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ARM_MMU_H
 #define __ARM_MMU_H
 
diff --git a/arch/arm/cpu/mmu_64.h b/arch/arm/cpu/mmu_64.h
index 9bbb62fc6b..e4d81dace4 100644
--- a/arch/arm/cpu/mmu_64.h
+++ b/arch/arm/cpu/mmu_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 
 #include "mmu-common.h"
 
diff --git a/arch/arm/include/asm/armlinux.h b/arch/arm/include/asm/armlinux.h
index 6af98968fa..8d8e05105b 100644
--- a/arch/arm/include/asm/armlinux.h
+++ b/arch/arm/include/asm/armlinux.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ARCH_ARMLINUX_H
 #define __ARCH_ARMLINUX_H
 
diff --git a/arch/arm/include/asm/asm-offsets.h b/arch/arm/include/asm/asm-offsets.h
index 2f84e83996..33db5a47e5 100644
--- a/arch/arm/include/asm/asm-offsets.h
+++ b/arch/arm/include/asm/asm-offsets.h
@@ -1 +1,3 @@
-#include <generated/asm-offsets.h>
\ No newline at end of file
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <generated/asm-offsets.h>
diff --git a/arch/arm/include/asm/assembler64.h b/arch/arm/include/asm/assembler64.h
index 26182aa5f6..615b257671 100644
--- a/arch/arm/include/asm/assembler64.h
+++ b/arch/arm/include/asm/assembler64.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ASM_ARCH_ASSEMBLY_H
 #define __ASM_ARCH_ASSEMBLY_H
 
@@ -18,4 +20,4 @@
 	b.eq	\el1_label
 .endm
 
-#endif /* __ASM_ARCH_ASSEMBLY_H */
\ No newline at end of file
+#endif /* __ASM_ARCH_ASSEMBLY_H */
diff --git a/arch/arm/include/asm/barebox-arm-head.h b/arch/arm/include/asm/barebox-arm-head.h
index 187d12c9fc..fcb7e31d85 100644
--- a/arch/arm/include/asm/barebox-arm-head.h
+++ b/arch/arm/include/asm/barebox-arm-head.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ASM_ARM_HEAD_H
 #define __ASM_ARM_HEAD_H
 
diff --git a/arch/arm/include/asm/bitops.h b/arch/arm/include/asm/bitops.h
index d8a4d9b667..2d0d300da2 100644
--- a/arch/arm/include/asm/bitops.h
+++ b/arch/arm/include/asm/bitops.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 /*
  * Copyright 1995, Russell King.
  * Various bits and pieces copyrights include:
diff --git a/arch/arm/include/asm/bitsperlong.h b/arch/arm/include/asm/bitsperlong.h
index 6dc0bb0c13..bf000a04cc 100644
--- a/arch/arm/include/asm/bitsperlong.h
+++ b/arch/arm/include/asm/bitsperlong.h
@@ -1 +1,3 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #include <asm-generic/bitsperlong.h>
diff --git a/arch/arm/include/asm/byteorder.h b/arch/arm/include/asm/byteorder.h
index c3489f1e1f..751dc0e530 100644
--- a/arch/arm/include/asm/byteorder.h
+++ b/arch/arm/include/asm/byteorder.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 /*
  *  linux/include/asm-arm/byteorder.h
  *
diff --git a/arch/arm/include/asm/cache.h b/arch/arm/include/asm/cache.h
index 9ebe80dc89..b63776a74a 100644
--- a/arch/arm/include/asm/cache.h
+++ b/arch/arm/include/asm/cache.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ASM_CACHE_H
 #define __ASM_CACHE_H
 
diff --git a/arch/arm/include/asm/common.h b/arch/arm/include/asm/common.h
index 1e2729d521..9832a6a4d2 100644
--- a/arch/arm/include/asm/common.h
+++ b/arch/arm/include/asm/common.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ASM_ARM_COMMON_H
 #define __ASM_ARM_COMMON_H
 
diff --git a/arch/arm/include/asm/cputype.h b/arch/arm/include/asm/cputype.h
index f39939bd44..7dc027c174 100644
--- a/arch/arm/include/asm/cputype.h
+++ b/arch/arm/include/asm/cputype.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ASM_ARM_CPUTYPE_H
 #define __ASM_ARM_CPUTYPE_H
 
diff --git a/arch/arm/include/asm/elf.h b/arch/arm/include/asm/elf.h
index 3def567699..486275a336 100644
--- a/arch/arm/include/asm/elf.h
+++ b/arch/arm/include/asm/elf.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ASMARM_ELF_H
 #define __ASMARM_ELF_H
 
diff --git a/arch/arm/include/asm/gic.h b/arch/arm/include/asm/gic.h
index f83f528141..d7e4c3cbf0 100644
--- a/arch/arm/include/asm/gic.h
+++ b/arch/arm/include/asm/gic.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __GIC_H__
 #define __GIC_H__
 
diff --git a/arch/arm/include/asm/hardware/arm_timer.h b/arch/arm/include/asm/hardware/arm_timer.h
index 8a58390a19..7911628ba7 100644
--- a/arch/arm/include/asm/hardware/arm_timer.h
+++ b/arch/arm/include/asm/hardware/arm_timer.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ASM_ARM_HARDWARE_ARM_TIMER_H
 #define __ASM_ARM_HARDWARE_ARM_TIMER_H
 
diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h
index 0507db1a9c..1c0f522d1d 100644
--- a/arch/arm/include/asm/io.h
+++ b/arch/arm/include/asm/io.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ASM_ARM_IO_H
 #define __ASM_ARM_IO_H
 
diff --git a/arch/arm/include/asm/linkage.h b/arch/arm/include/asm/linkage.h
index 5a25632b1b..728ebe6f6f 100644
--- a/arch/arm/include/asm/linkage.h
+++ b/arch/arm/include/asm/linkage.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ASM_LINKAGE_H
 #define __ASM_LINKAGE_H
 
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index 2279306179..2b454fa673 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ASM_ARM_MEMORY_H
 #define __ASM_ARM_MEMORY_H
 
diff --git a/arch/arm/include/asm/mmu.h b/arch/arm/include/asm/mmu.h
index 417808bfcc..fd8e93f7a3 100644
--- a/arch/arm/include/asm/mmu.h
+++ b/arch/arm/include/asm/mmu.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ASM_MMU_H
 #define __ASM_MMU_H
 
diff --git a/arch/arm/include/asm/module.h b/arch/arm/include/asm/module.h
index 3ce39bf82b..a4473ff8b6 100644
--- a/arch/arm/include/asm/module.h
+++ b/arch/arm/include/asm/module.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef _ASM_ARM_MODULE_H
 #define _ASM_ARM_MODULE_H
 
diff --git a/arch/arm/include/asm/posix_types.h b/arch/arm/include/asm/posix_types.h
index 22cae6230c..feaed42471 100644
--- a/arch/arm/include/asm/posix_types.h
+++ b/arch/arm/include/asm/posix_types.h
@@ -1 +1,3 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #include <asm-generic/posix_types.h>
diff --git a/arch/arm/include/asm/sections.h b/arch/arm/include/asm/sections.h
index 8ab01f2b71..15b1a6482a 100644
--- a/arch/arm/include/asm/sections.h
+++ b/arch/arm/include/asm/sections.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ASM_SECTIONS_H
 #define __ASM_SECTIONS_H
 
diff --git a/arch/arm/include/asm/secure.h b/arch/arm/include/asm/secure.h
index e0c2623723..fd10c47c6a 100644
--- a/arch/arm/include/asm/secure.h
+++ b/arch/arm/include/asm/secure.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ASM_ARM_SECURE_H
 #define __ASM_ARM_SECURE_H
 
diff --git a/arch/arm/include/asm/semihosting.h b/arch/arm/include/asm/semihosting.h
index b478dadb3a..9e1606c4ae 100644
--- a/arch/arm/include/asm/semihosting.h
+++ b/arch/arm/include/asm/semihosting.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ASM_ARM_SEMIHOSTING_H
 #define __ASM_ARM_SEMIHOSTING_H
 
diff --git a/arch/arm/include/asm/stacktrace.h b/arch/arm/include/asm/stacktrace.h
index 602e79ced4..bbcd2a5f8e 100644
--- a/arch/arm/include/asm/stacktrace.h
+++ b/arch/arm/include/asm/stacktrace.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #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 cd79f63402..2322b846b2 100644
--- a/arch/arm/include/asm/string.h
+++ b/arch/arm/include/asm/string.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ASM_ARM_STRING_H
 #define __ASM_ARM_STRING_H
 
diff --git a/arch/arm/include/asm/swab.h b/arch/arm/include/asm/swab.h
index 3795437831..8dbde9b307 100644
--- a/arch/arm/include/asm/swab.h
+++ b/arch/arm/include/asm/swab.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 /*
  *  arch/arm/include/asm/byteorder.h
  *
diff --git a/arch/arm/include/asm/syscounter.h b/arch/arm/include/asm/syscounter.h
index a644cfaad6..16d52269e3 100644
--- a/arch/arm/include/asm/syscounter.h
+++ b/arch/arm/include/asm/syscounter.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef _ASM_SYSCNT_H_
 #define _ASM_SYSCNT_H_
 
@@ -21,4 +23,4 @@ static inline u32 syscnt_get_cntfrq(void __iomem *syscnt)
 	return readl(syscnt + SYSCNT_CNTFID(0));
 }
 
-#endif
\ No newline at end of file
+#endif
diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h
index a0180f2df8..9e88001533 100644
--- a/arch/arm/include/asm/system.h
+++ b/arch/arm/include/asm/system.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ASM_ARM_SYSTEM_H
 #define __ASM_ARM_SYSTEM_H
 
diff --git a/arch/arm/include/asm/system_info.h b/arch/arm/include/asm/system_info.h
index 1e3dfc845c..c7f9987748 100644
--- a/arch/arm/include/asm/system_info.h
+++ b/arch/arm/include/asm/system_info.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ASM_ARM_SYSTEM_INFO_H
 #define __ASM_ARM_SYSTEM_INFO_H
 
diff --git a/arch/arm/include/asm/types.h b/arch/arm/include/asm/types.h
index 22b9642655..4adc815bf3 100644
--- a/arch/arm/include/asm/types.h
+++ b/arch/arm/include/asm/types.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ASM_ARM_TYPES_H
 #define __ASM_ARM_TYPES_H
 
diff --git a/arch/arm/include/asm/unaligned.h b/arch/arm/include/asm/unaligned.h
index 44593a8949..b63d39da7f 100644
--- a/arch/arm/include/asm/unaligned.h
+++ b/arch/arm/include/asm/unaligned.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef _ASM_ARM_UNALIGNED_H
 #define _ASM_ARM_UNALIGNED_H
 
diff --git a/arch/arm/mach-at91/include/mach/at91sam926x.h b/arch/arm/mach-at91/include/mach/at91sam926x.h
index ab5cf515ef..8ef83010d2 100644
--- a/arch/arm/mach-at91/include/mach/at91sam926x.h
+++ b/arch/arm/mach-at91/include/mach/at91sam926x.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_AT91SAM926X_H
 #define __MACH_AT91SAM926X_H
 
diff --git a/arch/arm/mach-at91/include/mach/barebox-arm-head.h b/arch/arm/mach-at91/include/mach/barebox-arm-head.h
index e0e07500a2..4a95f89fc9 100644
--- a/arch/arm/mach-at91/include/mach/barebox-arm-head.h
+++ b/arch/arm/mach-at91/include/mach/barebox-arm-head.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_ARM_HEAD_H
 #define __MACH_ARM_HEAD_H
 
diff --git a/arch/arm/mach-at91/include/mach/early_udelay.h b/arch/arm/mach-at91/include/mach/early_udelay.h
index 1c1b0123fe..fc9885dd27 100644
--- a/arch/arm/mach-at91/include/mach/early_udelay.h
+++ b/arch/arm/mach-at91/include/mach/early_udelay.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __EARLY_UDELAY_H__
 #define __EARLY_UDELAY_H__
 
diff --git a/arch/arm/mach-at91/include/mach/sama5d2_ll.h b/arch/arm/mach-at91/include/mach/sama5d2_ll.h
index 244b1a7065..c78279d7fc 100644
--- a/arch/arm/mach-at91/include/mach/sama5d2_ll.h
+++ b/arch/arm/mach-at91/include/mach/sama5d2_ll.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_SAMA5D2_LL__
 #define __MACH_SAMA5D2_LL__
 
diff --git a/arch/arm/mach-at91/include/mach/xload.h b/arch/arm/mach-at91/include/mach/xload.h
index bbc70af210..e9336d59c9 100644
--- a/arch/arm/mach-at91/include/mach/xload.h
+++ b/arch/arm/mach-at91/include/mach/xload.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_XLOAD_H
 #define __MACH_XLOAD_H
 
diff --git a/arch/arm/mach-clps711x/include/mach/devices.h b/arch/arm/mach-clps711x/include/mach/devices.h
index 18a251a1d9..77c43be25c 100644
--- a/arch/arm/mach-clps711x/include/mach/devices.h
+++ b/arch/arm/mach-clps711x/include/mach/devices.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_DEVICES_H
 #define __MACH_DEVICES_H
 
diff --git a/arch/arm/mach-ep93xx/include/mach/barebox.lds.h b/arch/arm/mach-ep93xx/include/mach/barebox.lds.h
index 74c4662a57..4e497f5e2d 100644
--- a/arch/arm/mach-ep93xx/include/mach/barebox.lds.h
+++ b/arch/arm/mach-ep93xx/include/mach/barebox.lds.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 
 /* the EP93xx expects to find the pattern 'CRUS' at 0x1000 */
 
diff --git a/arch/arm/mach-imx/include/mach/atf.h b/arch/arm/mach-imx/include/mach/atf.h
index 5ca75f8f92..09396f4646 100644
--- a/arch/arm/mach-imx/include/mach/atf.h
+++ b/arch/arm/mach-imx/include/mach/atf.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __IMX_ATF_H__
 #define __IMX_ATF_H__
 
diff --git a/arch/arm/mach-imx/include/mach/bbu.h b/arch/arm/mach-imx/include/mach/bbu.h
index f2e326f475..207d46e5d1 100644
--- a/arch/arm/mach-imx/include/mach/bbu.h
+++ b/arch/arm/mach-imx/include/mach/bbu.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_BBU_H
 #define __MACH_BBU_H
 
diff --git a/arch/arm/mach-imx/include/mach/ccm.h b/arch/arm/mach-imx/include/mach/ccm.h
index 32254a85b4..bbdf7536ee 100644
--- a/arch/arm/mach-imx/include/mach/ccm.h
+++ b/arch/arm/mach-imx/include/mach/ccm.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __IMX_CCM_H__
 
 /* 0 <= n <= 190 */
@@ -17,4 +19,4 @@
 #define CCM_CCGR_SETTINGn_NEEDED_RUN_WAIT(n)	CCM_CCGR_SETTINGn(n, 0b10)
 #define CCM_CCGR_SETTINGn_NEEDED(n)		CCM_CCGR_SETTINGn(n, 0b11)
 
-#endif
\ No newline at end of file
+#endif
diff --git a/arch/arm/mach-imx/include/mach/clock.h b/arch/arm/mach-imx/include/mach/clock.h
index 304a7c885c..af1a6e439a 100644
--- a/arch/arm/mach-imx/include/mach/clock.h
+++ b/arch/arm/mach-imx/include/mach/clock.h
@@ -1 +1,3 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 /* nothing, but some drivers need this include */
diff --git a/arch/arm/mach-imx/include/mach/debug_ll.h b/arch/arm/mach-imx/include/mach/debug_ll.h
index a4c57c5d5a..98aec5198f 100644
--- a/arch/arm/mach-imx/include/mach/debug_ll.h
+++ b/arch/arm/mach-imx/include/mach/debug_ll.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_DEBUG_LL_H__
 #define __MACH_DEBUG_LL_H__
 
diff --git a/arch/arm/mach-imx/include/mach/devices-imx1.h b/arch/arm/mach-imx/include/mach/devices-imx1.h
index e4185bc281..2b5cb8bcbd 100644
--- a/arch/arm/mach-imx/include/mach/devices-imx1.h
+++ b/arch/arm/mach-imx/include/mach/devices-imx1.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #include <mach/devices.h>
 #include <mach/imx1-regs.h>
 
diff --git a/arch/arm/mach-imx/include/mach/devices-imx21.h b/arch/arm/mach-imx/include/mach/devices-imx21.h
index 5b2dfd7505..429b01165e 100644
--- a/arch/arm/mach-imx/include/mach/devices-imx21.h
+++ b/arch/arm/mach-imx/include/mach/devices-imx21.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 
 #include <mach/devices.h>
 #include <mach/imx21-regs.h>
diff --git a/arch/arm/mach-imx/include/mach/devices-imx25.h b/arch/arm/mach-imx/include/mach/devices-imx25.h
index 7779a02be1..ec358fbbfa 100644
--- a/arch/arm/mach-imx/include/mach/devices-imx25.h
+++ b/arch/arm/mach-imx/include/mach/devices-imx25.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 
 #include <mach/devices.h>
 #include <mach/imx25-regs.h>
diff --git a/arch/arm/mach-imx/include/mach/devices-imx27.h b/arch/arm/mach-imx/include/mach/devices-imx27.h
index da2289b191..8ea7ea7eb3 100644
--- a/arch/arm/mach-imx/include/mach/devices-imx27.h
+++ b/arch/arm/mach-imx/include/mach/devices-imx27.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 
 #include <mach/devices.h>
 #include <mach/imx27-regs.h>
diff --git a/arch/arm/mach-imx/include/mach/devices-imx31.h b/arch/arm/mach-imx/include/mach/devices-imx31.h
index 51125d1bca..37eacb0436 100644
--- a/arch/arm/mach-imx/include/mach/devices-imx31.h
+++ b/arch/arm/mach-imx/include/mach/devices-imx31.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 
 #include <mach/imx31-regs.h>
 #include <mach/devices.h>
diff --git a/arch/arm/mach-imx/include/mach/devices-imx35.h b/arch/arm/mach-imx/include/mach/devices-imx35.h
index 922bb589c6..04aa7775dd 100644
--- a/arch/arm/mach-imx/include/mach/devices-imx35.h
+++ b/arch/arm/mach-imx/include/mach/devices-imx35.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 
 #include <mach/devices.h>
 #include <mach/imx35-regs.h>
diff --git a/arch/arm/mach-imx/include/mach/devices-imx50.h b/arch/arm/mach-imx/include/mach/devices-imx50.h
index 7e5141a107..5f534d4aec 100644
--- a/arch/arm/mach-imx/include/mach/devices-imx50.h
+++ b/arch/arm/mach-imx/include/mach/devices-imx50.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 
 #include <mach/devices.h>
 #include <mach/imx50-regs.h>
diff --git a/arch/arm/mach-imx/include/mach/devices-imx51.h b/arch/arm/mach-imx/include/mach/devices-imx51.h
index 5a968a3000..1a23632491 100644
--- a/arch/arm/mach-imx/include/mach/devices-imx51.h
+++ b/arch/arm/mach-imx/include/mach/devices-imx51.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 
 #include <linux/sizes.h>
 #include <mach/devices.h>
diff --git a/arch/arm/mach-imx/include/mach/devices-imx53.h b/arch/arm/mach-imx/include/mach/devices-imx53.h
index 3d1e8a27a8..7b96fb3e27 100644
--- a/arch/arm/mach-imx/include/mach/devices-imx53.h
+++ b/arch/arm/mach-imx/include/mach/devices-imx53.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 
 #include <mach/devices.h>
 #include <mach/imx53-regs.h>
diff --git a/arch/arm/mach-imx/include/mach/devices-imx6.h b/arch/arm/mach-imx/include/mach/devices-imx6.h
index 9471f57909..981dd1c7ca 100644
--- a/arch/arm/mach-imx/include/mach/devices-imx6.h
+++ b/arch/arm/mach-imx/include/mach/devices-imx6.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #include <mach/devices.h>
 #include <mach/imx6-regs.h>
 
diff --git a/arch/arm/mach-imx/include/mach/devices.h b/arch/arm/mach-imx/include/mach/devices.h
index 4754b92a6f..45da5bb6cc 100644
--- a/arch/arm/mach-imx/include/mach/devices.h
+++ b/arch/arm/mach-imx/include/mach/devices.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 
 #include <platform_data/eth-fec.h>
 #include <input/matrix_keypad.h>
diff --git a/arch/arm/mach-imx/include/mach/esdctl-v4.h b/arch/arm/mach-imx/include/mach/esdctl-v4.h
index 2e6741e0d5..b93621a8d7 100644
--- a/arch/arm/mach-imx/include/mach/esdctl-v4.h
+++ b/arch/arm/mach-imx/include/mach/esdctl-v4.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_ESDCTL_V4_H
 #define __MACH_ESDCTL_V4_H
 
diff --git a/arch/arm/mach-imx/include/mach/esdctl.h b/arch/arm/mach-imx/include/mach/esdctl.h
index caafa47323..b0b531aed4 100644
--- a/arch/arm/mach-imx/include/mach/esdctl.h
+++ b/arch/arm/mach-imx/include/mach/esdctl.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_ESDCTL_V2_H
 #define __MACH_ESDCTL_V2_H
 
diff --git a/arch/arm/mach-imx/include/mach/generic.h b/arch/arm/mach-imx/include/mach/generic.h
index fce7a81320..12a7c208b7 100644
--- a/arch/arm/mach-imx/include/mach/generic.h
+++ b/arch/arm/mach-imx/include/mach/generic.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_GENERIC_H
 #define __MACH_GENERIC_H
 
diff --git a/arch/arm/mach-imx/include/mach/habv3-imx25-gencsf.h b/arch/arm/mach-imx/include/mach/habv3-imx25-gencsf.h
index 60f730f8ec..0cf017b8ea 100644
--- a/arch/arm/mach-imx/include/mach/habv3-imx25-gencsf.h
+++ b/arch/arm/mach-imx/include/mach/habv3-imx25-gencsf.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 /*
  * This snippet can be included from a i.MX flash header configuration
  * file for generating signed images. The necessary keys/certificates
diff --git a/arch/arm/mach-imx/include/mach/habv4-imx6-gencsf-template.h b/arch/arm/mach-imx/include/mach/habv4-imx6-gencsf-template.h
index 668fb0646f..a60b485292 100644
--- a/arch/arm/mach-imx/include/mach/habv4-imx6-gencsf-template.h
+++ b/arch/arm/mach-imx/include/mach/habv4-imx6-gencsf-template.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 /*
  * This snippet can be included from a i.MX flash header configuration
  * file for generating signed images. The necessary keys/certificates
diff --git a/arch/arm/mach-imx/include/mach/habv4-imx6-gencsf.h b/arch/arm/mach-imx/include/mach/habv4-imx6-gencsf.h
index ca741b2736..2044f23c7a 100644
--- a/arch/arm/mach-imx/include/mach/habv4-imx6-gencsf.h
+++ b/arch/arm/mach-imx/include/mach/habv4-imx6-gencsf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 
 #define SETUP_HABV4_ENGINE CAAM
 #define SETUP_HABV4_FEATURES  RNG, MID
diff --git a/arch/arm/mach-imx/include/mach/habv4-imx6ull-gencsf.h b/arch/arm/mach-imx/include/mach/habv4-imx6ull-gencsf.h
index 6a558b880b..0efd09888f 100644
--- a/arch/arm/mach-imx/include/mach/habv4-imx6ull-gencsf.h
+++ b/arch/arm/mach-imx/include/mach/habv4-imx6ull-gencsf.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 
 #define SETUP_HABV4_ENGINE SW
 
diff --git a/arch/arm/mach-imx/include/mach/habv4-imx8-gencsf.h b/arch/arm/mach-imx/include/mach/habv4-imx8-gencsf.h
index a3917cc74f..b50788127e 100644
--- a/arch/arm/mach-imx/include/mach/habv4-imx8-gencsf.h
+++ b/arch/arm/mach-imx/include/mach/habv4-imx8-gencsf.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 /*
  * This snippet can be included from a i.MX flash header configuration
  * file for generating signed images. The necessary keys/certificates
diff --git a/arch/arm/mach-imx/include/mach/imx-gpio.h b/arch/arm/mach-imx/include/mach/imx-gpio.h
index 64ac278d61..a84dee36b8 100644
--- a/arch/arm/mach-imx/include/mach/imx-gpio.h
+++ b/arch/arm/mach-imx/include/mach/imx-gpio.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_IMX_GPIO_H
 #define __MACH_IMX_GPIO_H
 
diff --git a/arch/arm/mach-imx/include/mach/imx-header.h b/arch/arm/mach-imx/include/mach/imx-header.h
index f1e076dab9..8e968e6efb 100644
--- a/arch/arm/mach-imx/include/mach/imx-header.h
+++ b/arch/arm/mach-imx/include/mach/imx-header.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __IMX_HEADER_H__
 #define __IMX_HEADER_H__
 
diff --git a/arch/arm/mach-imx/include/mach/imx-nand.h b/arch/arm/mach-imx/include/mach/imx-nand.h
index f34799a011..97e2bd059f 100644
--- a/arch/arm/mach-imx/include/mach/imx-nand.h
+++ b/arch/arm/mach-imx/include/mach/imx-nand.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ASM_ARCH_NAND_H
 #define __ASM_ARCH_NAND_H
 
diff --git a/arch/arm/mach-imx/include/mach/imx-pll.h b/arch/arm/mach-imx/include/mach/imx-pll.h
index 0ccf41bcaa..791f86093b 100644
--- a/arch/arm/mach-imx/include/mach/imx-pll.h
+++ b/arch/arm/mach-imx/include/mach/imx-pll.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __INCLUDE_ASM_ARCH_IMX_PLL_H
 #define __INCLUDE_ASM_ARCH_IMX_PLL_H
 
diff --git a/arch/arm/mach-imx/include/mach/imx1-regs.h b/arch/arm/mach-imx/include/mach/imx1-regs.h
index 69e57e3cfd..c8125fd746 100644
--- a/arch/arm/mach-imx/include/mach/imx1-regs.h
+++ b/arch/arm/mach-imx/include/mach/imx1-regs.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef _IMX1_REGS_H
 #define _IMX1_REGS_H
 
diff --git a/arch/arm/mach-imx/include/mach/imx21-regs.h b/arch/arm/mach-imx/include/mach/imx21-regs.h
index 1fa463a256..19b2ddfdc3 100644
--- a/arch/arm/mach-imx/include/mach/imx21-regs.h
+++ b/arch/arm/mach-imx/include/mach/imx21-regs.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef _IMX21_REGS_H
 #define _IMX21_REGS_H
 
diff --git a/arch/arm/mach-imx/include/mach/imx25-fusemap.h b/arch/arm/mach-imx/include/mach/imx25-fusemap.h
index 749b0d17b2..f21e3d9505 100644
--- a/arch/arm/mach-imx/include/mach/imx25-fusemap.h
+++ b/arch/arm/mach-imx/include/mach/imx25-fusemap.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_IMX25_FUSEMAP_H
 #define __MACH_IMX25_FUSEMAP_H
 
diff --git a/arch/arm/mach-imx/include/mach/imx27-regs.h b/arch/arm/mach-imx/include/mach/imx27-regs.h
index c45befb57c..8bb067763b 100644
--- a/arch/arm/mach-imx/include/mach/imx27-regs.h
+++ b/arch/arm/mach-imx/include/mach/imx27-regs.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef _IMX27_REGS_H
 #define _IMX27_REGS_H
 
diff --git a/arch/arm/mach-imx/include/mach/imx5.h b/arch/arm/mach-imx/include/mach/imx5.h
index dd5cfe99cf..24ac07e366 100644
--- a/arch/arm/mach-imx/include/mach/imx5.h
+++ b/arch/arm/mach-imx/include/mach/imx5.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_MX5_H
 #define __MACH_MX5_H
 
diff --git a/arch/arm/mach-imx/include/mach/imx50-regs.h b/arch/arm/mach-imx/include/mach/imx50-regs.h
index 97ac8e2dad..b99dba9508 100644
--- a/arch/arm/mach-imx/include/mach/imx50-regs.h
+++ b/arch/arm/mach-imx/include/mach/imx50-regs.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_IMX50_REGS_H
 #define __MACH_IMX50_REGS_H
 
diff --git a/arch/arm/mach-imx/include/mach/imx51-regs.h b/arch/arm/mach-imx/include/mach/imx51-regs.h
index b6685ce065..64d56939d5 100644
--- a/arch/arm/mach-imx/include/mach/imx51-regs.h
+++ b/arch/arm/mach-imx/include/mach/imx51-regs.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_IMX51_REGS_H
 #define __MACH_IMX51_REGS_H
 
diff --git a/arch/arm/mach-imx/include/mach/imx53-regs.h b/arch/arm/mach-imx/include/mach/imx53-regs.h
index d45c94370d..5fc0b4b90e 100644
--- a/arch/arm/mach-imx/include/mach/imx53-regs.h
+++ b/arch/arm/mach-imx/include/mach/imx53-regs.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_IMX53_REGS_H
 #define __MACH_IMX53_REGS_H
 
diff --git a/arch/arm/mach-imx/include/mach/imx6-fusemap.h b/arch/arm/mach-imx/include/mach/imx6-fusemap.h
index e14044e98a..de5eb51e5d 100644
--- a/arch/arm/mach-imx/include/mach/imx6-fusemap.h
+++ b/arch/arm/mach-imx/include/mach/imx6-fusemap.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_IMX_IMX6_OCOTP_H
 #define __MACH_IMX_IMX6_OCOTP_H
 
diff --git a/arch/arm/mach-imx/include/mach/imx6-mmdc.h b/arch/arm/mach-imx/include/mach/imx6-mmdc.h
index 9385b342c2..bda20aba17 100644
--- a/arch/arm/mach-imx/include/mach/imx6-mmdc.h
+++ b/arch/arm/mach-imx/include/mach/imx6-mmdc.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_MMDC_H
 #define __MACH_MMDC_H
 
diff --git a/arch/arm/mach-imx/include/mach/imx6-regs.h b/arch/arm/mach-imx/include/mach/imx6-regs.h
index 7350ffd16f..b2753b0fa7 100644
--- a/arch/arm/mach-imx/include/mach/imx6-regs.h
+++ b/arch/arm/mach-imx/include/mach/imx6-regs.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_IMX6_REGS_H
 #define __MACH_IMX6_REGS_H
 
diff --git a/arch/arm/mach-imx/include/mach/imx6.h b/arch/arm/mach-imx/include/mach/imx6.h
index b65cdaaf40..0f3397006a 100644
--- a/arch/arm/mach-imx/include/mach/imx6.h
+++ b/arch/arm/mach-imx/include/mach/imx6.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_IMX6_H
 #define __MACH_IMX6_H
 
diff --git a/arch/arm/mach-imx/include/mach/imx7-ccm-regs.h b/arch/arm/mach-imx/include/mach/imx7-ccm-regs.h
index 5c60794ca7..aecf9a26d0 100644
--- a/arch/arm/mach-imx/include/mach/imx7-ccm-regs.h
+++ b/arch/arm/mach-imx/include/mach/imx7-ccm-regs.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_IMX7_CCM_REGS_H__
 #define __MACH_IMX7_CCM_REGS_H__
 
diff --git a/arch/arm/mach-imx/include/mach/imx7-regs.h b/arch/arm/mach-imx/include/mach/imx7-regs.h
index 21e2830b97..f116916717 100644
--- a/arch/arm/mach-imx/include/mach/imx7-regs.h
+++ b/arch/arm/mach-imx/include/mach/imx7-regs.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_IMX7_REGS_H
 #define __MACH_IMX7_REGS_H
 
diff --git a/arch/arm/mach-imx/include/mach/imx7.h b/arch/arm/mach-imx/include/mach/imx7.h
index 8518935468..bc131805af 100644
--- a/arch/arm/mach-imx/include/mach/imx7.h
+++ b/arch/arm/mach-imx/include/mach/imx7.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_IMX7_H
 #define __MACH_IMX7_H
 
@@ -56,4 +58,4 @@ static inline int imx7_cpu_revision(void)
 DEFINE_MX7_CPU_TYPE(mx7s, IMX7_CPUTYPE_IMX7S);
 DEFINE_MX7_CPU_TYPE(mx7d, IMX7_CPUTYPE_IMX7D);
 
-#endif /* __MACH_IMX7_H */
\ No newline at end of file
+#endif /* __MACH_IMX7_H */
diff --git a/arch/arm/mach-imx/include/mach/imx8m-ccm-regs.h b/arch/arm/mach-imx/include/mach/imx8m-ccm-regs.h
index 985391f31a..eeb15f4dd0 100644
--- a/arch/arm/mach-imx/include/mach/imx8m-ccm-regs.h
+++ b/arch/arm/mach-imx/include/mach/imx8m-ccm-regs.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_IMX8_CCM_REGS_H__
 #define __MACH_IMX8_CCM_REGS_H__
 
diff --git a/arch/arm/mach-imx/include/mach/imx8m-regs.h b/arch/arm/mach-imx/include/mach/imx8m-regs.h
index e5f466c291..e1c83ee01d 100644
--- a/arch/arm/mach-imx/include/mach/imx8m-regs.h
+++ b/arch/arm/mach-imx/include/mach/imx8m-regs.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_IMX8M_REGS_H
 #define __MACH_IMX8M_REGS_H
 
diff --git a/arch/arm/mach-imx/include/mach/imx8mm-regs.h b/arch/arm/mach-imx/include/mach/imx8mm-regs.h
index e10ca42d2d..4c6cabe5af 100644
--- a/arch/arm/mach-imx/include/mach/imx8mm-regs.h
+++ b/arch/arm/mach-imx/include/mach/imx8mm-regs.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_IMX8MM_REGS_H
 #define __MACH_IMX8MM_REGS_H
 
diff --git a/arch/arm/mach-imx/include/mach/imx8mp-regs.h b/arch/arm/mach-imx/include/mach/imx8mp-regs.h
index ad53abbc9d..08f662bcde 100644
--- a/arch/arm/mach-imx/include/mach/imx8mp-regs.h
+++ b/arch/arm/mach-imx/include/mach/imx8mp-regs.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_IMX8MP_REGS_H
 #define __MACH_IMX8MP_REGS_H
 
diff --git a/arch/arm/mach-imx/include/mach/imx8mq-regs.h b/arch/arm/mach-imx/include/mach/imx8mq-regs.h
index 50d02ba6a2..e2fde2ba0c 100644
--- a/arch/arm/mach-imx/include/mach/imx8mq-regs.h
+++ b/arch/arm/mach-imx/include/mach/imx8mq-regs.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_IMX8MQ_REGS_H
 #define __MACH_IMX8MQ_REGS_H
 
diff --git a/arch/arm/mach-imx/include/mach/imx8mq.h b/arch/arm/mach-imx/include/mach/imx8mq.h
index f8f39cdd63..d02c5f23cf 100644
--- a/arch/arm/mach-imx/include/mach/imx8mq.h
+++ b/arch/arm/mach-imx/include/mach/imx8mq.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_IMX8MQ_H
 #define __MACH_IMX8MQ_H
 
diff --git a/arch/arm/mach-imx/include/mach/imx_cpu_types.h b/arch/arm/mach-imx/include/mach/imx_cpu_types.h
index e9a9d8b38a..1d58097209 100644
--- a/arch/arm/mach-imx/include/mach/imx_cpu_types.h
+++ b/arch/arm/mach-imx/include/mach/imx_cpu_types.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_IMX_CPU_TYPES_H
 #define __MACH_IMX_CPU_TYPES_H
 
diff --git a/arch/arm/mach-imx/include/mach/imxfb.h b/arch/arm/mach-imx/include/mach/imxfb.h
index 6df7a14dde..5081554575 100644
--- a/arch/arm/mach-imx/include/mach/imxfb.h
+++ b/arch/arm/mach-imx/include/mach/imxfb.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_IMXFB_H
 #define __MACH_IMXFB_H
 
diff --git a/arch/arm/mach-imx/include/mach/iomux-mx1.h b/arch/arm/mach-imx/include/mach/iomux-mx1.h
index 51317d35d5..000b2055ee 100644
--- a/arch/arm/mach-imx/include/mach/iomux-mx1.h
+++ b/arch/arm/mach-imx/include/mach/iomux-mx1.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_IOMUX_MX1_H
 #define __MACH_IOMUX_MX1_H
 
diff --git a/arch/arm/mach-imx/include/mach/iomux-mx8m.h b/arch/arm/mach-imx/include/mach/iomux-mx8m.h
index de6675064a..68f2765609 100644
--- a/arch/arm/mach-imx/include/mach/iomux-mx8m.h
+++ b/arch/arm/mach-imx/include/mach/iomux-mx8m.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_IOMUX_IMX8M_H__
 #define __MACH_IOMUX_IMX8M_H__
 
diff --git a/arch/arm/mach-imx/include/mach/iomux-v1.h b/arch/arm/mach-imx/include/mach/iomux-v1.h
index 8f75933e39..132b129767 100644
--- a/arch/arm/mach-imx/include/mach/iomux-v1.h
+++ b/arch/arm/mach-imx/include/mach/iomux-v1.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_IOMUX_V1_H__
 #define __MACH_IOMUX_V1_H__
 
diff --git a/arch/arm/mach-imx/include/mach/ocotp-fusemap.h b/arch/arm/mach-imx/include/mach/ocotp-fusemap.h
index aec50dbf8a..603bec49fd 100644
--- a/arch/arm/mach-imx/include/mach/ocotp-fusemap.h
+++ b/arch/arm/mach-imx/include/mach/ocotp-fusemap.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_IMX_OCOTP_FUSEMAP_H
 #define __MACH_IMX_OCOTP_FUSEMAP_H
 
diff --git a/arch/arm/mach-imx/include/mach/ocotp.h b/arch/arm/mach-imx/include/mach/ocotp.h
index 20205c5da7..7c72edfb22 100644
--- a/arch/arm/mach-imx/include/mach/ocotp.h
+++ b/arch/arm/mach-imx/include/mach/ocotp.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_IMX_OCOTP_H
 #define __MACH_IMX_OCOTP_H
 
diff --git a/arch/arm/mach-imx/include/mach/reset-reason.h b/arch/arm/mach-imx/include/mach/reset-reason.h
index 91a8171896..f27b2ee64e 100644
--- a/arch/arm/mach-imx/include/mach/reset-reason.h
+++ b/arch/arm/mach-imx/include/mach/reset-reason.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_RESET_REASON_H__
 #define __MACH_RESET_REASON_H__
 
diff --git a/arch/arm/mach-imx/include/mach/revision.h b/arch/arm/mach-imx/include/mach/revision.h
index d9495d967f..ab42bf17d5 100644
--- a/arch/arm/mach-imx/include/mach/revision.h
+++ b/arch/arm/mach-imx/include/mach/revision.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_REVISION_H__
 #define __MACH_REVISION_H__
 
diff --git a/arch/arm/mach-imx/include/mach/spi.h b/arch/arm/mach-imx/include/mach/spi.h
index 08be445e8e..294c724ef4 100644
--- a/arch/arm/mach-imx/include/mach/spi.h
+++ b/arch/arm/mach-imx/include/mach/spi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 
 #ifndef __MACH_SPI_H_
 #define __MACH_SPI_H_
diff --git a/arch/arm/mach-imx/include/mach/usb.h b/arch/arm/mach-imx/include/mach/usb.h
index 3209bf9095..18040aa0be 100644
--- a/arch/arm/mach-imx/include/mach/usb.h
+++ b/arch/arm/mach-imx/include/mach/usb.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_USB_H_
 #define __MACH_USB_H_
 
diff --git a/arch/arm/mach-imx/include/mach/vf610-ddrmc.h b/arch/arm/mach-imx/include/mach/vf610-ddrmc.h
index 07feb036e5..79b88e19fd 100644
--- a/arch/arm/mach-imx/include/mach/vf610-ddrmc.h
+++ b/arch/arm/mach-imx/include/mach/vf610-ddrmc.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_DDRMC_H
 #define __MACH_DDRMC_H
 
diff --git a/arch/arm/mach-imx/include/mach/vf610-fusemap.h b/arch/arm/mach-imx/include/mach/vf610-fusemap.h
index a56faf10cc..c222a8f27f 100644
--- a/arch/arm/mach-imx/include/mach/vf610-fusemap.h
+++ b/arch/arm/mach-imx/include/mach/vf610-fusemap.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_VF610_OCOTP_H
 #define __MACH_VF610_OCOTP_H
 
diff --git a/arch/arm/mach-imx/include/mach/vf610.h b/arch/arm/mach-imx/include/mach/vf610.h
index 7ac10a7b1e..6de300a2a0 100644
--- a/arch/arm/mach-imx/include/mach/vf610.h
+++ b/arch/arm/mach-imx/include/mach/vf610.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_VF610_H
 #define __MACH_VF610_H
 
diff --git a/arch/arm/mach-imx/include/mach/weim.h b/arch/arm/mach-imx/include/mach/weim.h
index 22d9c76d61..d8a7d11947 100644
--- a/arch/arm/mach-imx/include/mach/weim.h
+++ b/arch/arm/mach-imx/include/mach/weim.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_WEIM_H
 #define __MACH_WEIM_H
 
diff --git a/arch/arm/mach-imx/include/mach/xload.h b/arch/arm/mach-imx/include/mach/xload.h
index f0deaf068a..03ec23ebbd 100644
--- a/arch/arm/mach-imx/include/mach/xload.h
+++ b/arch/arm/mach-imx/include/mach/xload.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_XLOAD_H
 #define __MACH_XLOAD_H
 
diff --git a/arch/arm/mach-layerscape/include/mach/bbu.h b/arch/arm/mach-layerscape/include/mach/bbu.h
index 1ea0cbb11f..d018ec9a9d 100644
--- a/arch/arm/mach-layerscape/include/mach/bbu.h
+++ b/arch/arm/mach-layerscape/include/mach/bbu.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_LAYERSCAPE_BBU_H
 #define __MACH_LAYERSCAPE_BBU_H
 
@@ -19,4 +21,4 @@ static inline int ls1046a_bbu_qspi_register_handler(const char *name,
 					    filetype_layerscape_qspi_image);
 }
 
-#endif /* __MACH_LAYERSCAPE_BBU_H */
\ No newline at end of file
+#endif /* __MACH_LAYERSCAPE_BBU_H */
diff --git a/arch/arm/mach-layerscape/include/mach/debug_ll.h b/arch/arm/mach-layerscape/include/mach/debug_ll.h
index 2658a4a7c9..b6630af143 100644
--- a/arch/arm/mach-layerscape/include/mach/debug_ll.h
+++ b/arch/arm/mach-layerscape/include/mach/debug_ll.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __INCLUDE_ARCH_DEBUG_LL_H__
 #define __INCLUDE_ARCH_DEBUG_LL_H__
 
diff --git a/arch/arm/mach-layerscape/include/mach/errata.h b/arch/arm/mach-layerscape/include/mach/errata.h
index bdefa22172..1ec75b5d8d 100644
--- a/arch/arm/mach-layerscape/include/mach/errata.h
+++ b/arch/arm/mach-layerscape/include/mach/errata.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_ERRATA_H
 #define __MACH_ERRATA_H
 
diff --git a/arch/arm/mach-layerscape/include/mach/layerscape.h b/arch/arm/mach-layerscape/include/mach/layerscape.h
index 1f1da0f66e..447417a266 100644
--- a/arch/arm/mach-layerscape/include/mach/layerscape.h
+++ b/arch/arm/mach-layerscape/include/mach/layerscape.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_LAYERSCAPE_H
 #define __MACH_LAYERSCAPE_H
 
diff --git a/arch/arm/mach-layerscape/include/mach/lowlevel.h b/arch/arm/mach-layerscape/include/mach/lowlevel.h
index 0f5f0f3aad..0c077d064b 100644
--- a/arch/arm/mach-layerscape/include/mach/lowlevel.h
+++ b/arch/arm/mach-layerscape/include/mach/lowlevel.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_LOWLEVEL_H
 #define __MACH_LOWLEVEL_H
 
diff --git a/arch/arm/mach-layerscape/include/mach/xload.h b/arch/arm/mach-layerscape/include/mach/xload.h
index eb2d998865..0731681b43 100644
--- a/arch/arm/mach-layerscape/include/mach/xload.h
+++ b/arch/arm/mach-layerscape/include/mach/xload.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_XLOAD_H
 #define __MACH_XLOAD_H
 
diff --git a/arch/arm/mach-mvebu/include/mach/barebox-arm-head.h b/arch/arm/mach-mvebu/include/mach/barebox-arm-head.h
index 723e2ab4c8..12f8cfc5a0 100644
--- a/arch/arm/mach-mvebu/include/mach/barebox-arm-head.h
+++ b/arch/arm/mach-mvebu/include/mach/barebox-arm-head.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #include <linux/stringify.h>
 #include <mach/common.h>
 
diff --git a/arch/arm/mach-mvebu/include/mach/bbu.h b/arch/arm/mach-mvebu/include/mach/bbu.h
index f23c3269c0..f8f70b6bf6 100644
--- a/arch/arm/mach-mvebu/include/mach/bbu.h
+++ b/arch/arm/mach-mvebu/include/mach/bbu.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifdef CONFIG_BAREBOX_UPDATE
 int mvebu_bbu_flash_register_handler(const char *name,
 				     char *devicefile, int version,
diff --git a/arch/arm/mach-mxs/include/mach/debug_ll.h b/arch/arm/mach-mxs/include/mach/debug_ll.h
index 9e3ce1c1cd..ac7a0e759d 100644
--- a/arch/arm/mach-mxs/include/mach/debug_ll.h
+++ b/arch/arm/mach-mxs/include/mach/debug_ll.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_DEBUG_LL_H__
 #define __MACH_DEBUG_LL_H__
 
diff --git a/arch/arm/mach-mxs/include/mach/devices.h b/arch/arm/mach-mxs/include/mach/devices.h
index b212aa783e..4743a4a8c0 100644
--- a/arch/arm/mach-mxs/include/mach/devices.h
+++ b/arch/arm/mach-mxs/include/mach/devices.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_MXS_DEVICES_H
 #define __MACH_MXS_DEVICES_H
 
diff --git a/arch/arm/mach-mxs/include/mach/imx23.h b/arch/arm/mach-mxs/include/mach/imx23.h
index 56e76d5f50..bdd3ae4407 100644
--- a/arch/arm/mach-mxs/include/mach/imx23.h
+++ b/arch/arm/mach-mxs/include/mach/imx23.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_IMX23_H
 #define __MACH_IMX23_H
 
@@ -26,4 +28,4 @@ static inline u32 imx23_get_memsize(void)
 	return (1 << columns) * (1 << rows) * banks * (cs0 + cs1);
 }
 
-#endif /* __MACH_IMX23_H */
\ No newline at end of file
+#endif /* __MACH_IMX23_H */
diff --git a/arch/arm/mach-mxs/include/mach/imx28.h b/arch/arm/mach-mxs/include/mach/imx28.h
index 5816625c89..cf2d5fb6ef 100644
--- a/arch/arm/mach-mxs/include/mach/imx28.h
+++ b/arch/arm/mach-mxs/include/mach/imx28.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_IMX28_H
 #define __MACH_IMX28_H
 
@@ -27,4 +29,4 @@ static inline u32 imx28_get_memsize(void)
 	return (1 << columns) * (1 << rows) * banks * (cs0 + cs1);
 }
 
-#endif /* __MACH_IMX28_H */
\ No newline at end of file
+#endif /* __MACH_IMX28_H */
diff --git a/arch/arm/mach-mxs/include/mach/power.h b/arch/arm/mach-mxs/include/mach/power.h
index f429b3c31c..9d0ea89bca 100644
--- a/arch/arm/mach-mxs/include/mach/power.h
+++ b/arch/arm/mach-mxs/include/mach/power.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_POWER_H
 #define __MACH_POWER_H
 
diff --git a/arch/arm/mach-mxs/include/mach/revision.h b/arch/arm/mach-mxs/include/mach/revision.h
index 91f174d8b0..65daf3db98 100644
--- a/arch/arm/mach-mxs/include/mach/revision.h
+++ b/arch/arm/mach-mxs/include/mach/revision.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_REVISION_H__
 #define __MACH_REVISION_H__
 
diff --git a/arch/arm/mach-mxs/include/mach/usb.h b/arch/arm/mach-mxs/include/mach/usb.h
index 2d31b0d0f2..132fc16eec 100644
--- a/arch/arm/mach-mxs/include/mach/usb.h
+++ b/arch/arm/mach-mxs/include/mach/usb.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_USB_H
 #define __MACH_USB_H
 
diff --git a/arch/arm/mach-nomadik/include/mach/fsmc.h b/arch/arm/mach-nomadik/include/mach/fsmc.h
index e010c7215c..3d46eb2a47 100644
--- a/arch/arm/mach-nomadik/include/mach/fsmc.h
+++ b/arch/arm/mach-nomadik/include/mach/fsmc.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 /* Definitions for the Nomadik FSMC "Flexible Static Memory controller" */
 
 #ifndef __ASM_ARCH_FSMC_H
diff --git a/arch/arm/mach-nomadik/include/mach/nand.h b/arch/arm/mach-nomadik/include/mach/nand.h
index 544f0e02c7..419db3e33c 100644
--- a/arch/arm/mach-nomadik/include/mach/nand.h
+++ b/arch/arm/mach-nomadik/include/mach/nand.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ASM_ARCH_NAND_H
 #define __ASM_ARCH_NAND_H
 
diff --git a/arch/arm/mach-omap/include/mach/am33xx-generic.h b/arch/arm/mach-omap/include/mach/am33xx-generic.h
index 7e64e74d5c..e146bf0909 100644
--- a/arch/arm/mach-omap/include/mach/am33xx-generic.h
+++ b/arch/arm/mach-omap/include/mach/am33xx-generic.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_AM33XX_GENERIC_H
 #define __MACH_AM33XX_GENERIC_H
 
diff --git a/arch/arm/mach-omap/include/mach/am3xxx-silicon.h b/arch/arm/mach-omap/include/mach/am3xxx-silicon.h
index c5f73ad457..dba3d634d5 100644
--- a/arch/arm/mach-omap/include/mach/am3xxx-silicon.h
+++ b/arch/arm/mach-omap/include/mach/am3xxx-silicon.h
@@ -1,6 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ASM_ARCH_AM33XX_H
 #define __ASM_ARCH_AM33XX_H
 
 void am3xxx_uart_soft_reset(void __iomem *uart_base);
 
-#endif /* __ASM_ARCH_AM33XX_H */
\ No newline at end of file
+#endif /* __ASM_ARCH_AM33XX_H */
diff --git a/arch/arm/mach-omap/include/mach/bbu.h b/arch/arm/mach-omap/include/mach/bbu.h
index 94d3f96bb4..5ca7ec43cc 100644
--- a/arch/arm/mach-omap/include/mach/bbu.h
+++ b/arch/arm/mach-omap/include/mach/bbu.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_BBU_H
 #define __MACH_BBU_H
 
diff --git a/arch/arm/mach-omap/include/mach/devices.h b/arch/arm/mach-omap/include/mach/devices.h
index 537213fb90..0f9fdf1ca5 100644
--- a/arch/arm/mach-omap/include/mach/devices.h
+++ b/arch/arm/mach-omap/include/mach/devices.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_OMAP_DEVICES_H
 #define __MACH_OMAP_DEVICES_H
 
diff --git a/arch/arm/mach-omap/include/mach/generic.h b/arch/arm/mach-omap/include/mach/generic.h
index fe194b3921..fa391c8d48 100644
--- a/arch/arm/mach-omap/include/mach/generic.h
+++ b/arch/arm/mach-omap/include/mach/generic.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef _MACH_GENERIC_H
 #define _MACH_GENERIC_H
 
diff --git a/arch/arm/mach-omap/include/mach/mcspi.h b/arch/arm/mach-omap/include/mach/mcspi.h
index dbde67a5da..febb08db2a 100644
--- a/arch/arm/mach-omap/include/mach/mcspi.h
+++ b/arch/arm/mach-omap/include/mach/mcspi.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __OMAP_MCSPI_H
 #define  __OMAP_MCSPI_H
 
diff --git a/arch/arm/mach-omap/include/mach/omap-fb.h b/arch/arm/mach-omap/include/mach/omap-fb.h
index f68dc1a142..f727164434 100644
--- a/arch/arm/mach-omap/include/mach/omap-fb.h
+++ b/arch/arm/mach-omap/include/mach/omap-fb.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef H_BAREBOX_ARCH_ARM_MACH_OMAP_MACH_FB4_H
 #define H_BAREBOX_ARCH_ARM_MACH_OMAP_MACH_FB4_H
 
diff --git a/arch/arm/mach-omap/include/mach/omap3-devices.h b/arch/arm/mach-omap/include/mach/omap3-devices.h
index 8c62c99005..5d7bc8bf1e 100644
--- a/arch/arm/mach-omap/include/mach/omap3-devices.h
+++ b/arch/arm/mach-omap/include/mach/omap3-devices.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_OMAP3_DEVICES_H
 #define __MACH_OMAP3_DEVICES_H
 
diff --git a/arch/arm/mach-omap/include/mach/omap3-generic.h b/arch/arm/mach-omap/include/mach/omap3-generic.h
index 177862e4b1..6304ac7bb8 100644
--- a/arch/arm/mach-omap/include/mach/omap3-generic.h
+++ b/arch/arm/mach-omap/include/mach/omap3-generic.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_OMAP3_GENERIC_H
 #define __MACH_OMAP3_GENERIC_H
 
diff --git a/arch/arm/mach-omap/include/mach/omap4-clock.h b/arch/arm/mach-omap/include/mach/omap4-clock.h
index 8f49aa3761..6bbb10e83d 100644
--- a/arch/arm/mach-omap/include/mach/omap4-clock.h
+++ b/arch/arm/mach-omap/include/mach/omap4-clock.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_OMAP4_CLOCK_H
 #define __MACH_OMAP4_CLOCK_H
 
diff --git a/arch/arm/mach-omap/include/mach/omap4-devices.h b/arch/arm/mach-omap/include/mach/omap4-devices.h
index 7ac940b2d7..22a1eb79fc 100644
--- a/arch/arm/mach-omap/include/mach/omap4-devices.h
+++ b/arch/arm/mach-omap/include/mach/omap4-devices.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_OMAP4_DEVICES_H
 #define __MACH_OMAP4_DEVICES_H
 
diff --git a/arch/arm/mach-omap/include/mach/omap4-generic.h b/arch/arm/mach-omap/include/mach/omap4-generic.h
index c1d0a3c900..b6a72cfc55 100644
--- a/arch/arm/mach-omap/include/mach/omap4-generic.h
+++ b/arch/arm/mach-omap/include/mach/omap4-generic.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_OMAP4_GENERIC_H
 #define __MACH_OMAP4_GENERIC_H
 
diff --git a/arch/arm/mach-omap/include/mach/omap4_twl6030_mmc.h b/arch/arm/mach-omap/include/mach/omap4_twl6030_mmc.h
index e5e2d9c229..0cde30619b 100644
--- a/arch/arm/mach-omap/include/mach/omap4_twl6030_mmc.h
+++ b/arch/arm/mach-omap/include/mach/omap4_twl6030_mmc.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 /*
  * Copyright (C) 2011 Alexander Aring <a.aring@phytec.de>
  */
diff --git a/arch/arm/mach-pxa/include/mach/mci_pxa2xx.h b/arch/arm/mach-pxa/include/mach/mci_pxa2xx.h
index b24bc58afe..e5bc211ea8 100644
--- a/arch/arm/mach-pxa/include/mach/mci_pxa2xx.h
+++ b/arch/arm/mach-pxa/include/mach/mci_pxa2xx.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 
 struct mci_host;
 struct device_d;
diff --git a/arch/arm/mach-pxa/include/mach/mfp-pxa27x.h b/arch/arm/mach-pxa/include/mach/mfp-pxa27x.h
index f6a27a20db..5db786a85a 100644
--- a/arch/arm/mach-pxa/include/mach/mfp-pxa27x.h
+++ b/arch/arm/mach-pxa/include/mach/mfp-pxa27x.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ASM_ARCH_MFP_PXA27X_H
 #define __ASM_ARCH_MFP_PXA27X_H
 
diff --git a/arch/arm/mach-pxa/include/mach/mfp-pxa2xx.h b/arch/arm/mach-pxa/include/mach/mfp-pxa2xx.h
index 658b28ed12..b01f6188d4 100644
--- a/arch/arm/mach-pxa/include/mach/mfp-pxa2xx.h
+++ b/arch/arm/mach-pxa/include/mach/mfp-pxa2xx.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ASM_ARCH_MFP_PXA2XX_H
 #define __ASM_ARCH_MFP_PXA2XX_H
 
diff --git a/arch/arm/mach-pxa/include/mach/mfp-pxa3xx.h b/arch/arm/mach-pxa/include/mach/mfp-pxa3xx.h
index 7bdd44db13..00eb724709 100644
--- a/arch/arm/mach-pxa/include/mach/mfp-pxa3xx.h
+++ b/arch/arm/mach-pxa/include/mach/mfp-pxa3xx.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ASM_ARCH_MFP_PXA3XX_H
 #define __ASM_ARCH_MFP_PXA3XX_H
 
diff --git a/arch/arm/mach-pxa/include/mach/pxa25x-regs.h b/arch/arm/mach-pxa/include/mach/pxa25x-regs.h
index a7f16bd418..f9cbe50007 100644
--- a/arch/arm/mach-pxa/include/mach/pxa25x-regs.h
+++ b/arch/arm/mach-pxa/include/mach/pxa25x-regs.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_PXA25X_REGS
 #define __MACH_PXA25X_REGS
 
diff --git a/arch/arm/mach-pxa/include/mach/pxa27x-regs.h b/arch/arm/mach-pxa/include/mach/pxa27x-regs.h
index f4d88d47ab..a97538d012 100644
--- a/arch/arm/mach-pxa/include/mach/pxa27x-regs.h
+++ b/arch/arm/mach-pxa/include/mach/pxa27x-regs.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_PXA27X_REGS
 #define __MACH_PXA27X_REGS
 
diff --git a/arch/arm/mach-pxa/include/mach/pxafb.h b/arch/arm/mach-pxa/include/mach/pxafb.h
index 23cbea99c8..44ac3237a3 100644
--- a/arch/arm/mach-pxa/include/mach/pxafb.h
+++ b/arch/arm/mach-pxa/include/mach/pxafb.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 /*
  * This structure describes the machine which we are running on.
  */
diff --git a/arch/arm/mach-pxa/include/mach/regs-intc.h b/arch/arm/mach-pxa/include/mach/regs-intc.h
index 68464ce1c1..91760b2678 100644
--- a/arch/arm/mach-pxa/include/mach/regs-intc.h
+++ b/arch/arm/mach-pxa/include/mach/regs-intc.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ASM_MACH_REGS_INTC_H
 #define __ASM_MACH_REGS_INTC_H
 
diff --git a/arch/arm/mach-pxa/include/mach/regs-lcd.h b/arch/arm/mach-pxa/include/mach/regs-lcd.h
index a6d0817ae6..4d473f23ae 100644
--- a/arch/arm/mach-pxa/include/mach/regs-lcd.h
+++ b/arch/arm/mach-pxa/include/mach/regs-lcd.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #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 a3e5f86ef6..aefdee44f8 100644
--- a/arch/arm/mach-pxa/include/mach/regs-ost.h
+++ b/arch/arm/mach-pxa/include/mach/regs-ost.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ASM_MACH_REGS_OST_H
 #define __ASM_MACH_REGS_OST_H
 
diff --git a/arch/arm/mach-pxa/include/mach/udc_pxa2xx.h b/arch/arm/mach-pxa/include/mach/udc_pxa2xx.h
index dcdd36a3b4..1ddfa7b797 100644
--- a/arch/arm/mach-pxa/include/mach/udc_pxa2xx.h
+++ b/arch/arm/mach-pxa/include/mach/udc_pxa2xx.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 /*
  * arch/arm/mach-pxa/include/mach/udc_pxa2xx.h
  *
diff --git a/arch/arm/mach-rockchip/include/mach/atf.h b/arch/arm/mach-rockchip/include/mach/atf.h
index 337a8261c8..ab328cc8d2 100644
--- a/arch/arm/mach-rockchip/include/mach/atf.h
+++ b/arch/arm/mach-rockchip/include/mach/atf.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_ATF_H
 #define __MACH_ATF_H
 
diff --git a/arch/arm/mach-rockchip/include/mach/bbu.h b/arch/arm/mach-rockchip/include/mach/bbu.h
index 7fb08a0a9e..2cc9b74081 100644
--- a/arch/arm/mach-rockchip/include/mach/bbu.h
+++ b/arch/arm/mach-rockchip/include/mach/bbu.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_ROCKCHIP_BBU_H
 #define __MACH_ROCKCHIP_BBU_H
 
diff --git a/arch/arm/mach-rockchip/include/mach/debug_ll.h b/arch/arm/mach-rockchip/include/mach/debug_ll.h
index af6257a674..73fc5b5db2 100644
--- a/arch/arm/mach-rockchip/include/mach/debug_ll.h
+++ b/arch/arm/mach-rockchip/include/mach/debug_ll.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_DEBUG_LL_H__
 #define __MACH_DEBUG_LL_H__
 
diff --git a/arch/arm/mach-rockchip/include/mach/rk3568-regs.h b/arch/arm/mach-rockchip/include/mach/rk3568-regs.h
index bb2ca7bd90..edd5ee268d 100644
--- a/arch/arm/mach-rockchip/include/mach/rk3568-regs.h
+++ b/arch/arm/mach-rockchip/include/mach/rk3568-regs.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_RK3568_REGS_H
 #define __MACH_RK3568_REGS_H
 
diff --git a/arch/arm/mach-rockchip/include/mach/rockchip.h b/arch/arm/mach-rockchip/include/mach/rockchip.h
index 269d113bc3..f24db36f01 100644
--- a/arch/arm/mach-rockchip/include/mach/rockchip.h
+++ b/arch/arm/mach-rockchip/include/mach/rockchip.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_ROCKCHIP_H
 #define __MACH_ROCKCHIP_H
 
diff --git a/arch/arm/mach-samsung/include/mach/bbu.h b/arch/arm/mach-samsung/include/mach/bbu.h
index 7ce7052bcf..ddc72a622d 100644
--- a/arch/arm/mach-samsung/include/mach/bbu.h
+++ b/arch/arm/mach-samsung/include/mach/bbu.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_BBU_H
 #define __MACH_BBU_H
 
diff --git a/arch/arm/mach-socfpga/include/mach/arria10-xload.h b/arch/arm/mach-socfpga/include/mach/arria10-xload.h
index 7575231bbf..c58ab7f8cf 100644
--- a/arch/arm/mach-socfpga/include/mach/arria10-xload.h
+++ b/arch/arm/mach-socfpga/include/mach/arria10-xload.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_ARRIA10_XLOAD_H
 #define __MACH_ARRIA10_XLOAD_H
 
diff --git a/arch/arm/mach-socfpga/include/mach/barebox-arm-head.h b/arch/arm/mach-socfpga/include/mach/barebox-arm-head.h
index 28fb1c92fc..634d3f109b 100644
--- a/arch/arm/mach-socfpga/include/mach/barebox-arm-head.h
+++ b/arch/arm/mach-socfpga/include/mach/barebox-arm-head.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 static inline void __barebox_arm_head(void)
 {
 	__asm__ __volatile__ (
diff --git a/arch/arm/mach-socfpga/include/mach/cyclone5-regs.h b/arch/arm/mach-socfpga/include/mach/cyclone5-regs.h
index 1a7d787a27..4200e88360 100644
--- a/arch/arm/mach-socfpga/include/mach/cyclone5-regs.h
+++ b/arch/arm/mach-socfpga/include/mach/cyclone5-regs.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_SOCFPGA_REGS_H
 #define __MACH_SOCFPGA_REGS_H
 
diff --git a/arch/arm/mach-socfpga/include/mach/cyclone5-sdram-config.h b/arch/arm/mach-socfpga/include/mach/cyclone5-sdram-config.h
index a19a837994..7b11d8d088 100644
--- a/arch/arm/mach-socfpga/include/mach/cyclone5-sdram-config.h
+++ b/arch/arm/mach-socfpga/include/mach/cyclone5-sdram-config.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_SDRAM_CONFIG_H
 #define __MACH_SDRAM_CONFIG_H
 
diff --git a/arch/arm/mach-socfpga/include/mach/debug_ll.h b/arch/arm/mach-socfpga/include/mach/debug_ll.h
index 3264934e6d..44f56640e8 100644
--- a/arch/arm/mach-socfpga/include/mach/debug_ll.h
+++ b/arch/arm/mach-socfpga/include/mach/debug_ll.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_DEBUG_LL_H__
 #define   __MACH_DEBUG_LL_H__
 
diff --git a/arch/arm/mach-socfpga/include/mach/generic.h b/arch/arm/mach-socfpga/include/mach/generic.h
index c8ee73fe2e..6c359e2abb 100644
--- a/arch/arm/mach-socfpga/include/mach/generic.h
+++ b/arch/arm/mach-socfpga/include/mach/generic.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_SOCFPGA_GENERIC_H
 #define __MACH_SOCFPGA_GENERIC_H
 
diff --git a/arch/arm/mach-socfpga/include/mach/lowlevel.h b/arch/arm/mach-socfpga/include/mach/lowlevel.h
index 8134a02357..8f3b682fa4 100644
--- a/arch/arm/mach-socfpga/include/mach/lowlevel.h
+++ b/arch/arm/mach-socfpga/include/mach/lowlevel.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_SOCFPGA_LOWLEVEL_H
 #define __MACH_SOCFPGA_LOWLEVEL_H
 
diff --git a/arch/arm/mach-socfpga/include/mach/pll_config.h b/arch/arm/mach-socfpga/include/mach/pll_config.h
index d6fb60dd24..ded3c0d09e 100644
--- a/arch/arm/mach-socfpga/include/mach/pll_config.h
+++ b/arch/arm/mach-socfpga/include/mach/pll_config.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef _MACH_SOCFPGA_PRELOADER_PLL_CONFIG_H_
 #define _MACH_SOCFPGA_PRELOADER_PLL_CONFIG_H_
 
diff --git a/arch/arm/mach-stm32mp/include/mach/bbu.h b/arch/arm/mach-stm32mp/include/mach/bbu.h
index 8b9504400e..d49fb045ea 100644
--- a/arch/arm/mach-stm32mp/include/mach/bbu.h
+++ b/arch/arm/mach-stm32mp/include/mach/bbu.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef MACH_STM32MP_BBU_H_
 #define MACH_STM32MP_BBU_H_
 
diff --git a/arch/arm/mach-stm32mp/include/mach/bsec.h b/arch/arm/mach-stm32mp/include/mach/bsec.h
index d3cb91b1fd..7206a02099 100644
--- a/arch/arm/mach-stm32mp/include/mach/bsec.h
+++ b/arch/arm/mach-stm32mp/include/mach/bsec.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_STM32_BSEC_H__
 #define __MACH_STM32_BSEC_H__
 
diff --git a/arch/arm/mach-stm32mp/include/mach/debug_ll.h b/arch/arm/mach-stm32mp/include/mach/debug_ll.h
index 99fedb91fe..22c5c12633 100644
--- a/arch/arm/mach-stm32mp/include/mach/debug_ll.h
+++ b/arch/arm/mach-stm32mp/include/mach/debug_ll.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_STM32MP1_DEBUG_LL_H
 #define __MACH_STM32MP1_DEBUG_LL_H
 
diff --git a/arch/arm/mach-stm32mp/include/mach/entry.h b/arch/arm/mach-stm32mp/include/mach/entry.h
index 92e15b5cf4..f8d981cca7 100644
--- a/arch/arm/mach-stm32mp/include/mach/entry.h
+++ b/arch/arm/mach-stm32mp/include/mach/entry.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef _STM32MP_MACH_ENTRY_H_
 #define _STM32MP_MACH_ENTRY_H_
 
diff --git a/arch/arm/mach-stm32mp/include/mach/smc.h b/arch/arm/mach-stm32mp/include/mach/smc.h
index 6b8e62bd53..c0b86b2203 100644
--- a/arch/arm/mach-stm32mp/include/mach/smc.h
+++ b/arch/arm/mach-stm32mp/include/mach/smc.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_STM32_SMC_H__
 #define __MACH_STM32_SMC_H__
 
diff --git a/arch/arm/mach-uemd/include/mach/hardware.h b/arch/arm/mach-uemd/include/mach/hardware.h
index 2311ebf1cd..5c75b35dde 100644
--- a/arch/arm/mach-uemd/include/mach/hardware.h
+++ b/arch/arm/mach-uemd/include/mach/hardware.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ASM_ARCH_HARDWARE_H
 #define __ASM_ARCH_HARDWARE_H
 
diff --git a/arch/arm/mach-versatile/include/mach/init.h b/arch/arm/mach-versatile/include/mach/init.h
index acb0f660a2..e47aa857a1 100644
--- a/arch/arm/mach-versatile/include/mach/init.h
+++ b/arch/arm/mach-versatile/include/mach/init.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 
 #ifndef __VERSATILE_INIT_H__
 #define __VERSATILE_INIT_H__
diff --git a/arch/arm/mach-zynq/include/mach/debug_ll.h b/arch/arm/mach-zynq/include/mach/debug_ll.h
index 6c20dd534d..1f626cd413 100644
--- a/arch/arm/mach-zynq/include/mach/debug_ll.h
+++ b/arch/arm/mach-zynq/include/mach/debug_ll.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 /*
  * based on mach-imx/include/mach/debug_ll.h
  */
diff --git a/arch/arm/mach-zynq/include/mach/zynq-flash-header.h b/arch/arm/mach-zynq/include/mach/zynq-flash-header.h
index ba4b67f479..320037e9b5 100644
--- a/arch/arm/mach-zynq/include/mach/zynq-flash-header.h
+++ b/arch/arm/mach-zynq/include/mach/zynq-flash-header.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __MACH_FLASH_HEADER_H
 #define __MACH_FLASH_HEADER_H