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>

23 files changed, 46 insertions, 0 deletions

diff --git a/arch/powerpc/include/asm/atomic.h b/arch/powerpc/include/asm/atomic.h
index af3c61a823..814bf50d63 100644
--- a/arch/powerpc/include/asm/atomic.h
+++ b/arch/powerpc/include/asm/atomic.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 /*
  * PowerPC atomic operations
  */
diff --git a/arch/powerpc/include/asm/bitops.h b/arch/powerpc/include/asm/bitops.h
index 2fdd57eff0..543612e6ed 100644
--- a/arch/powerpc/include/asm/bitops.h
+++ b/arch/powerpc/include/asm/bitops.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 /*
  * bitops.h: Bit string operations on the ppc
  */
diff --git a/arch/powerpc/include/asm/bitsperlong.h b/arch/powerpc/include/asm/bitsperlong.h
index 6dc0bb0c13..bf000a04cc 100644
--- a/arch/powerpc/include/asm/bitsperlong.h
+++ b/arch/powerpc/include/asm/bitsperlong.h
@@ -1 +1,3 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #include <asm-generic/bitsperlong.h>
diff --git a/arch/powerpc/include/asm/cache.h b/arch/powerpc/include/asm/cache.h
index 147ceb6714..c9066099ab 100644
--- a/arch/powerpc/include/asm/cache.h
+++ b/arch/powerpc/include/asm/cache.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 /*
  * include/asm-ppc/cache.h
  */
diff --git a/arch/powerpc/include/asm/common.h b/arch/powerpc/include/asm/common.h
index b91f51e462..1e1ea4601d 100644
--- a/arch/powerpc/include/asm/common.h
+++ b/arch/powerpc/include/asm/common.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ASM_COMMON_H
 #define __ASM_COMMON_H
 
diff --git a/arch/powerpc/include/asm/io.h b/arch/powerpc/include/asm/io.h
index 30d0987023..88f14b54f4 100644
--- a/arch/powerpc/include/asm/io.h
+++ b/arch/powerpc/include/asm/io.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 /* originally from linux source.
  * removed the dependencies on CONFIG_ values
  * removed virt_to_phys stuff (and in fact everything surrounded by #if __KERNEL__)
diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h
index c691de1c77..81a5d7d55f 100644
--- a/arch/powerpc/include/asm/mmu.h
+++ b/arch/powerpc/include/asm/mmu.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 /*
  * PowerPC memory management structures
  */
diff --git a/arch/powerpc/include/asm/module.h b/arch/powerpc/include/asm/module.h
index 09c04402c5..e5c10e35da 100644
--- a/arch/powerpc/include/asm/module.h
+++ b/arch/powerpc/include/asm/module.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 
 /**/
 struct mod_arch_specific {
diff --git a/arch/powerpc/include/asm/pci_io.h b/arch/powerpc/include/asm/pci_io.h
index 9b738c383f..d601a9671e 100644
--- a/arch/powerpc/include/asm/pci_io.h
+++ b/arch/powerpc/include/asm/pci_io.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 /* originally from linux source (asm-ppc/io.h).
  * Sanity added by Rob Taylor, Flying Pig Systems, 2000
  */
diff --git a/arch/powerpc/include/asm/posix_types.h b/arch/powerpc/include/asm/posix_types.h
index 22cae6230c..feaed42471 100644
--- a/arch/powerpc/include/asm/posix_types.h
+++ b/arch/powerpc/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/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h
index f4677d11e1..b9b73580c4 100644
--- a/arch/powerpc/include/asm/processor.h
+++ b/arch/powerpc/include/asm/processor.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ASM_PPC_PROCESSOR_H
 #define __ASM_PPC_PROCESSOR_H
 
diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h
index b4d599f43b..c7800576d5 100644
--- a/arch/powerpc/include/asm/ptrace.h
+++ b/arch/powerpc/include/asm/ptrace.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef _PPC_PTRACE_H
 #define _PPC_PTRACE_H
 
diff --git a/arch/powerpc/include/asm/sections.h b/arch/powerpc/include/asm/sections.h
index 2b8c516038..c6dd0eead2 100644
--- a/arch/powerpc/include/asm/sections.h
+++ b/arch/powerpc/include/asm/sections.h
@@ -1 +1,3 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #include <asm-generic/sections.h>
diff --git a/arch/powerpc/include/asm/sigcontext.h b/arch/powerpc/include/asm/sigcontext.h
index 4bd66a707d..78648b089c 100644
--- a/arch/powerpc/include/asm/sigcontext.h
+++ b/arch/powerpc/include/asm/sigcontext.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef _ASM_PPC_SIGCONTEXT_H
 #define _ASM_PPC_SIGCONTEXT_H
 
diff --git a/arch/powerpc/include/asm/signal.h b/arch/powerpc/include/asm/signal.h
index b11a28efd1..851fc7d41c 100644
--- a/arch/powerpc/include/asm/signal.h
+++ b/arch/powerpc/include/asm/signal.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef _ASMPPC_SIGNAL_H
 #define _ASMPPC_SIGNAL_H
 
diff --git a/arch/powerpc/include/asm/status_led.h b/arch/powerpc/include/asm/status_led.h
index eb81f371c9..129aa6614a 100644
--- a/arch/powerpc/include/asm/status_led.h
+++ b/arch/powerpc/include/asm/status_led.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 /*
  * asm/status_led.h
  *
diff --git a/arch/powerpc/include/asm/string.h b/arch/powerpc/include/asm/string.h
index 33d143f04e..b06bb4cbff 100644
--- a/arch/powerpc/include/asm/string.h
+++ b/arch/powerpc/include/asm/string.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef _PPC_STRING_H_
 #define _PPC_STRING_H_
 
diff --git a/arch/powerpc/include/asm/types.h b/arch/powerpc/include/asm/types.h
index f3d41905ca..c2c501828b 100644
--- a/arch/powerpc/include/asm/types.h
+++ b/arch/powerpc/include/asm/types.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef _PPC_TYPES_H
 #define _PPC_TYPES_H
 
diff --git a/arch/powerpc/include/asm/unaligned.h b/arch/powerpc/include/asm/unaligned.h
index a41fa8cb4a..a28cc24b12 100644
--- a/arch/powerpc/include/asm/unaligned.h
+++ b/arch/powerpc/include/asm/unaligned.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef _ASM_PPC_UNALIGNED_H
 #define _ASM_PPC_UNALIGNED_H
 
diff --git a/arch/powerpc/mach-mpc5xxx/include/mach/clock.h b/arch/powerpc/mach-mpc5xxx/include/mach/clock.h
index b19686f18c..1813740eb1 100644
--- a/arch/powerpc/mach-mpc5xxx/include/mach/clock.h
+++ b/arch/powerpc/mach-mpc5xxx/include/mach/clock.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ASM_ARCH_CLOCKS_H
 #define __ASM_ARCH_CLOCKS_H
 
diff --git a/arch/powerpc/mach-mpc5xxx/include/mach/sdma.h b/arch/powerpc/mach-mpc5xxx/include/mach/sdma.h
index 6a25d79fb6..02f561675a 100644
--- a/arch/powerpc/mach-mpc5xxx/include/mach/sdma.h
+++ b/arch/powerpc/mach-mpc5xxx/include/mach/sdma.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 /*
  * (C) Copyright 2003
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
diff --git a/arch/powerpc/mach-mpc85xx/include/mach/clock.h b/arch/powerpc/mach-mpc85xx/include/mach/clock.h
index 0e68cf6667..bfd9cf4d8e 100644
--- a/arch/powerpc/mach-mpc85xx/include/mach/clock.h
+++ b/arch/powerpc/mach-mpc85xx/include/mach/clock.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ASM_ARCH_CLOCKS_H
 #define __ASM_ARCH_CLOCKS_H
 
diff --git a/arch/powerpc/mach-mpc85xx/include/mach/mpc85xx.h b/arch/powerpc/mach-mpc85xx/include/mach/mpc85xx.h
index 1d9993ace9..5491f0b08d 100644
--- a/arch/powerpc/mach-mpc85xx/include/mach/mpc85xx.h
+++ b/arch/powerpc/mach-mpc85xx/include/mach/mpc85xx.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 /*
  * Copyright 2004, 2007 Freescale Semiconductor.
  * Copyright(c) 2003 Motorola Inc.