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>

14 files changed, 28 insertions, 0 deletions

diff --git a/arch/sandbox/include/asm/bitsperlong.h b/arch/sandbox/include/asm/bitsperlong.h
index 6dc0bb0c13..bf000a04cc 100644
--- a/arch/sandbox/include/asm/bitsperlong.h
+++ b/arch/sandbox/include/asm/bitsperlong.h
@@ -1 +1,3 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #include <asm-generic/bitsperlong.h>
diff --git a/arch/sandbox/include/asm/byteorder.h b/arch/sandbox/include/asm/byteorder.h
index 3d82bcba6e..fdb421c7a5 100644
--- a/arch/sandbox/include/asm/byteorder.h
+++ b/arch/sandbox/include/asm/byteorder.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef _SANDBOX_BYTEORDER_H
 #define _SANDBOX_BYTEORDER_H
 
diff --git a/arch/sandbox/include/asm/common.h b/arch/sandbox/include/asm/common.h
index 9b8bd2d94c..66ed2f5e9c 100644
--- a/arch/sandbox/include/asm/common.h
+++ b/arch/sandbox/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/sandbox/include/asm/elf.h b/arch/sandbox/include/asm/elf.h
index e71a60aeb9..f08d5930c6 100644
--- a/arch/sandbox/include/asm/elf.h
+++ b/arch/sandbox/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/sandbox/include/asm/io.h b/arch/sandbox/include/asm/io.h
index 3e5c0580bc..71cf50cd9a 100644
--- a/arch/sandbox/include/asm/io.h
+++ b/arch/sandbox/include/asm/io.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ASM_SANDBOX_IO_H
 #define __ASM_SANDBOX_IO_H
 
diff --git a/arch/sandbox/include/asm/mmu.h b/arch/sandbox/include/asm/mmu.h
index 95af871420..1c2646ebb3 100644
--- a/arch/sandbox/include/asm/mmu.h
+++ b/arch/sandbox/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/sandbox/include/asm/posix_types.h b/arch/sandbox/include/asm/posix_types.h
index 22cae6230c..feaed42471 100644
--- a/arch/sandbox/include/asm/posix_types.h
+++ b/arch/sandbox/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/sandbox/include/asm/sections.h b/arch/sandbox/include/asm/sections.h
index 2b8c516038..c6dd0eead2 100644
--- a/arch/sandbox/include/asm/sections.h
+++ b/arch/sandbox/include/asm/sections.h
@@ -1 +1,3 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #include <asm-generic/sections.h>
diff --git a/arch/sandbox/include/asm/string.h b/arch/sandbox/include/asm/string.h
index 2997587d82..b3c27a412d 100644
--- a/arch/sandbox/include/asm/string.h
+++ b/arch/sandbox/include/asm/string.h
@@ -1 +1,3 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 /* dummy */
diff --git a/arch/sandbox/include/asm/swab.h b/arch/sandbox/include/asm/swab.h
index 60a90120b6..0ca746f0f1 100644
--- a/arch/sandbox/include/asm/swab.h
+++ b/arch/sandbox/include/asm/swab.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef _ASM_SWAB_H
 #define _ASM_SWAB_H
 
diff --git a/arch/sandbox/include/asm/types.h b/arch/sandbox/include/asm/types.h
index 7b356a99eb..e29dde377c 100644
--- a/arch/sandbox/include/asm/types.h
+++ b/arch/sandbox/include/asm/types.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ASM_SANDBOX_TYPES_H
 #define __ASM_SANDBOX_TYPES_H
 
diff --git a/arch/sandbox/include/asm/unaligned.h b/arch/sandbox/include/asm/unaligned.h
index d02da6e60d..7bca3ff8a4 100644
--- a/arch/sandbox/include/asm/unaligned.h
+++ b/arch/sandbox/include/asm/unaligned.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef _ASM_SANDBOX_UNALIGNED_H
 #define _ASM_SANDBOX_UNALIGNED_H
 
diff --git a/arch/sandbox/mach-sandbox/include/mach/hostfile.h b/arch/sandbox/mach-sandbox/include/mach/hostfile.h
index 3ef34bcc1c..b461d5ebc3 100644
--- a/arch/sandbox/mach-sandbox/include/mach/hostfile.h
+++ b/arch/sandbox/mach-sandbox/include/mach/hostfile.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ASM_ARCH_HOSTFILE_H
 #define __ASM_ARCH_HOSTFILE_H
 
diff --git a/arch/sandbox/mach-sandbox/include/mach/linux.h b/arch/sandbox/mach-sandbox/include/mach/linux.h
index 453813952e..1584d8065c 100644
--- a/arch/sandbox/mach-sandbox/include/mach/linux.h
+++ b/arch/sandbox/mach-sandbox/include/mach/linux.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef __ASM_ARCH_LINUX_H
 #define __ASM_ARCH_LINUX_H