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>

11 files changed, 22 insertions, 0 deletions

diff --git a/arch/x86/include/asm/bitsperlong.h b/arch/x86/include/asm/bitsperlong.h
index 6dc0bb0c13..bf000a04cc 100644
--- a/arch/x86/include/asm/bitsperlong.h
+++ b/arch/x86/include/asm/bitsperlong.h
@@ -1 +1,3 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #include <asm-generic/bitsperlong.h>
diff --git a/arch/x86/include/asm/elf.h b/arch/x86/include/asm/elf.h
index ddde035188..365e6cd02b 100644
--- a/arch/x86/include/asm/elf.h
+++ b/arch/x86/include/asm/elf.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ASM_SANDBOX_ELF_H__
 #define __ASM_SANDBOX_ELF_H__
 
diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h
index 0971727bc6..c28f49a9de 100644
--- a/arch/x86/include/asm/io.h
+++ b/arch/x86/include/asm/io.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 /*
  * Mostly stolen from the linux kernel
  */
diff --git a/arch/x86/include/asm/linkage.h b/arch/x86/include/asm/linkage.h
index a8d1bdb7de..1d78d9169b 100644
--- a/arch/x86/include/asm/linkage.h
+++ b/arch/x86/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/x86/include/asm/mmu.h b/arch/x86/include/asm/mmu.h
index 95af871420..1c2646ebb3 100644
--- a/arch/x86/include/asm/mmu.h
+++ b/arch/x86/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/x86/include/asm/posix_types.h b/arch/x86/include/asm/posix_types.h
index 22cae6230c..feaed42471 100644
--- a/arch/x86/include/asm/posix_types.h
+++ b/arch/x86/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/x86/include/asm/sections.h b/arch/x86/include/asm/sections.h
index 2b8c516038..c6dd0eead2 100644
--- a/arch/x86/include/asm/sections.h
+++ b/arch/x86/include/asm/sections.h
@@ -1 +1,3 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #include <asm-generic/sections.h>
diff --git a/arch/x86/include/asm/swab.h b/arch/x86/include/asm/swab.h
index 557cd9f006..e2319d9776 100644
--- a/arch/x86/include/asm/swab.h
+++ b/arch/x86/include/asm/swab.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef _ASM_X86_SWAB_H
 #define _ASM_X86_SWAB_H
 
diff --git a/arch/x86/include/asm/types.h b/arch/x86/include/asm/types.h
index 17947b2ff3..52a6e51fd4 100644
--- a/arch/x86/include/asm/types.h
+++ b/arch/x86/include/asm/types.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ASM_I386_TYPES_H
 #define __ASM_I386_TYPES_H
 
diff --git a/arch/x86/include/asm/unaligned.h b/arch/x86/include/asm/unaligned.h
index 7e38706c5d..a62dc88922 100644
--- a/arch/x86/include/asm/unaligned.h
+++ b/arch/x86/include/asm/unaligned.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef _ASM_X86_UNALIGNED_H
 #define _ASM_X86_UNALIGNED_H
 
diff --git a/arch/x86/mach-efi/include/mach/debug_ll.h b/arch/x86/mach-efi/include/mach/debug_ll.h
index e144d86e00..f7ac98635a 100644
--- a/arch/x86/mach-efi/include/mach/debug_ll.h
+++ b/arch/x86/mach-efi/include/mach/debug_ll.h
@@ -1 +1,3 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #include <efi/debug_ll.h>