efi: Replace GPL license boilerplate with SPDX headers

Replace all GPL license blurbs with an equivalent SPDX header (most
files are GPLv2, some are GPLv2+). While at it, drop some outdated
header changelogs as well.

Signed-off-by: Ard Biesheuvel <[e-mail]>
Cc: AKASHI Takahiro <[e-mail]>
Cc: Alexander Graf <[e-mail]>
Cc: Bjorn Andersson <[e-mail]>
Cc: Borislav Petkov <[e-mail]>
Cc: Heinrich Schuchardt <[e-mail]>
Cc: Jeffrey Hugo <[e-mail]>
Cc: Lee Jones <[e-mail]>
Cc: Leif Lindholm <[e-mail]>
Cc: Linus Torvalds <[e-mail]>
Cc: Matt Fleming <[e-mail]>
Cc: Peter Jones <[e-mail]>
Cc: Peter Zijlstra <[e-mail]>
Cc: Sai Praneeth Prakhya <[e-mail]>
Cc: Thomas Gleixner <[e-mail]>
Cc: [e-mail]
Link: http://lkml.kernel.org/r/[e-mail]
Signed-off-by: Ingo Molnar <[e-mail]>

drivers/firmware/efi/apple-properties.c

···
+// SPDX-License-Identifier: GPL-2.0
 /*
  * apple-properties.c - EFI device properties on Macs
  * Copyright (C) 2016 Lukas Wunner <[e-mail]>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License (version 2) as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
  *
  * Note, all properties are considered as u8 arrays.
  * To get a value of any of them the caller must use device_property_read_u8_array().

drivers/firmware/efi/arm-init.c

···
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Extensible Firmware Interface
  *
  * Based on Extensible Firmware Interface Specification version 2.4
  *
  * Copyright (C) 2013 - 2015 Linaro Ltd.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  */
 
 #define pr_fmt(fmt)	"efi: " fmt

drivers/firmware/efi/arm-runtime.c

···
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Extensible Firmware Interface
  *
  * Based on Extensible Firmware Interface Specification version 2.4
  *
  * Copyright (C) 2013, 2014 Linaro Ltd.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  */
 
 #include <linux/dmi.h>

drivers/firmware/efi/capsule-loader.c

···
+// SPDX-License-Identifier: GPL-2.0
 /*
  * EFI capsule loader driver.
  *
  * Copyright 2015 Intel Corporation
- *
- * This file is part of the Linux kernel, and is made available under
- * the terms of the GNU General Public License version 2.
  */
 
 #define pr_fmt(fmt) "efi: " fmt

drivers/firmware/efi/capsule.c

···
+// SPDX-License-Identifier: GPL-2.0
 /*
  * EFI capsule support.
  *
  * Copyright 2013 Intel Corporation; author Matt Fleming
- *
- * This file is part of the Linux kernel, and is made available under
- * the terms of the GNU General Public License version 2.
  */
 
 #define pr_fmt(fmt) "efi: " fmt

drivers/firmware/efi/cper-arm.c

···
+// SPDX-License-Identifier: GPL-2.0
 /*
  * UEFI Common Platform Error Record (CPER) support
  *
  * Copyright (C) 2017, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License version
- * 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
 #include <linux/kernel.h>

drivers/firmware/efi/cper.c

···
+// SPDX-License-Identifier: GPL-2.0
 /*
  * UEFI Common Platform Error Record (CPER) support
  *
···
  *
  * For more information about CPER, please refer to Appendix N of UEFI
  * Specification version 2.4.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License version
- * 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
 #include <linux/kernel.h>

drivers/firmware/efi/dev-path-parser.c

···
+// SPDX-License-Identifier: GPL-2.0
 /*
  * dev-path-parser.c - EFI Device Path parser
  * Copyright (C) 2016 Lukas Wunner <[e-mail]>
···
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License (version 2) as
  * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 #include <linux/acpi.h>

drivers/firmware/efi/efi-bgrt.c

···
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright 2012 Intel Corporation
  * Author: Josh Triplett <[e-mail]>
···
  * Based on the bgrt driver:
  * Copyright 2012 Red Hat, Inc <[e-mail]>
  * Author: Matthew Garrett
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

drivers/firmware/efi/efi-pstore.c

···
+// SPDX-License-Identifier: GPL-2.0+
+
 #include <linux/efi.h>
 #include <linux/module.h>
 #include <linux/pstore.h>

drivers/firmware/efi/efibc.c

···
+// SPDX-License-Identifier: GPL-2.0
 /*
  * efibc: control EFI bootloaders which obey LoaderEntryOneShot var
  * Copyright (c) 2013-2016, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
  */
 
 #define pr_fmt(fmt) "efibc: " fmt

drivers/firmware/efi/efivars.c

···
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Originally from efivars.c,
  *
···
  *
  * This code takes all variables accessible from EFI runtime and
  *  exports them via sysfs
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
- * Changelog:
- *
- *  17 May 2004 - Matt Domsch <[e-mail]>
- *   remove check for efi_enabled in exit
- *   add MODULE_VERSION
- *
- *  26 Apr 2004 - Matt Domsch <[e-mail]>
- *   minor bug fixes
- *
- *  21 Apr 2004 - Matt Tolentino <[e-mail])
- *   converted driver to export variable information via sysfs
- *   and moved to drivers/firmware directory
- *   bumped revision number to v0.07 to reflect conversion & move
- *
- *  10 Dec 2002 - Matt Domsch <[e-mail]>
- *   fix locking per Peter Chubb's findings
- *
- *  25 Mar 2002 - Matt Domsch <[e-mail]>
- *   move uuid_unparse() to include/asm-ia64/efi.h:efi_guid_to_str()
- *
- *  12 Feb 2002 - Matt Domsch <[e-mail]>
- *   use list_for_each_safe when deleting vars.
- *   remove ifdef CONFIG_SMP around include <linux/smp.h>
- *   v0.04 release to [e-mail]
- *
- *  20 April 2001 - Matt Domsch <[e-mail]>
- *   Moved vars from /proc/efi to /proc/efi/vars, and made
- *   efi.c own the /proc/efi directory.
- *   v0.03 release to [e-mail]
- *
- *  26 March 2001 - Matt Domsch <[e-mail]>
- *   At the request of Stephane, moved ownership of /proc/efi
- *   to efi.c, and now efivars lives under /proc/efi/vars.
- *
- *  12 March 2001 - Matt Domsch <[e-mail]>
- *   Feedback received from Stephane Eranian incorporated.
- *   efivar_write() checks copy_from_user() return value.
- *   efivar_read/write() returns proper errno.
- *   v0.02 release to [e-mail]
- *
- *  26 February 2001 - Matt Domsch <[e-mail]>
- *   v0.01 release to [e-mail]
  */
 
 #include <linux/efi.h>

drivers/firmware/efi/esrt.c

···
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * esrt.c
  *

drivers/firmware/efi/fake_mem.c

···
+// SPDX-License-Identifier: GPL-2.0
 /*
  * fake_mem.c
  *
···
  * By specifying this parameter, you can add arbitrary attribute to
  * specific memory range by updating original (firmware provided) EFI
  * memmap.
- *
- *  This program is free software; you can redistribute it and/or modify it
- *  under the terms and conditions of the GNU General Public License,
- *  version 2, as published by the Free Software Foundation.
- *
- *  This program is distributed in the hope it will be useful, but WITHOUT
- *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- *  more details.
- *
- *  You should have received a copy of the GNU General Public License along with
- *  this program; if not, see <http://www.gnu.org/licenses/>.
- *
- *  The full GNU General Public License is included in this distribution in
- *  the file called "COPYING".
  */
 
 #include <linux/kernel.h>

drivers/firmware/efi/libstub/arm32-stub.c

···
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2013 Linaro Ltd;  <[e-mail]>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  */
 #include <linux/efi.h>
 #include <asm/efi.h>

drivers/firmware/efi/libstub/arm64-stub.c

···
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2013, 2014 Linaro Ltd;  <[e-mail]>
  *
  * This file implements the EFI boot stub for the arm64 kernel.
  * Adapted from ARM version by Mark Salter <[e-mail]>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  */
 
 /*

drivers/firmware/efi/libstub/efi-stub-helper.c

···
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Helper functions used by the EFI stub on multiple
  * architectures. This should be #included by the EFI stub
  * implementation files.
  *
  * Copyright 2011 Intel Corporation; author Matt Fleming
- *
- * This file is part of the Linux kernel, and is made available
- * under the terms of the GNU General Public License version 2.
- *
  */
 
 #include <linux/efi.h>

drivers/firmware/efi/libstub/fdt.c

···
+// SPDX-License-Identifier: GPL-2.0
 /*
  * FDT related Helper functions used by the EFI stub on multiple
  * architectures. This should be #included by the EFI stub
  * implementation files.
  *
  * Copyright 2013 Linaro Limited; author Roy Franz
- *
- * This file is part of the Linux kernel, and is made available
- * under the terms of the GNU General Public License version 2.
- *
  */
 
 #include <linux/efi.h>

drivers/firmware/efi/libstub/gop.c

···
+// SPDX-License-Identifier: GPL-2.0
 /* -----------------------------------------------------------------------
  *
  *   Copyright 2011 Intel Corporation; author Matt Fleming
- *
- *   This file is part of the Linux kernel, and is made available under
- *   the terms of the GNU General Public License version 2.
  *
  * ----------------------------------------------------------------------- */
 

drivers/firmware/efi/libstub/random.c

···
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2016 Linaro Ltd;  <[e-mail]>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  */
 
 #include <linux/efi.h>

drivers/firmware/efi/libstub/secureboot.c

···
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Secure boot handling.
  *
···
  *     Roy Franz <[e-mail]
  * Copyright (C) 2013 Red Hat, Inc.
  *     Mark Salter <[e-mail]>
- *
- * This file is part of the Linux kernel, and is made available under the
- * terms of the GNU General Public License version 2.
  */
 #include <linux/efi.h>
 #include <asm/efi.h>

drivers/firmware/efi/libstub/tpm.c

···
+// SPDX-License-Identifier: GPL-2.0
 /*
  * TPM handling.
  *
···
  * Copyright (C) 2017 Google, Inc.
  *     Matthew Garrett <[e-mail]>
  *     Thiebaud Weksteen <[e-mail]>
- *
- * This file is part of the Linux kernel, and is made available under the
- * terms of the GNU General Public License version 2.
  */
 #include <linux/efi.h>
 #include <linux/tpm_eventlog.h>

drivers/firmware/efi/memattr.c

···
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2016 Linaro Ltd. <[e-mail]>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #define pr_fmt(fmt)	"efi: memattr: " fmt

drivers/firmware/efi/runtime-map.c

···
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/drivers/efi/runtime-map.c
  * Copyright (C) 2013 Red Hat, Inc., Dave Young <[e-mail]>
- *
- * This file is released under the GPLv2.
  */
 
 #include <linux/string.h>

drivers/firmware/efi/test/efi_test.c

···
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * EFI Test Driver for Runtime Services
  *

drivers/firmware/efi/test/efi_test.h

···
-/* SPDX-License-Identifier: GPL-2.0 */
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * EFI Test driver Header
  *

drivers/firmware/efi/tpm.c

···
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2017 Google, Inc.
  *     Thiebaud Weksteen <[e-mail]>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #include <linux/efi.h>

drivers/firmware/efi/vars.c

···
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Originally from efivars.c
  *
  * Copyright (C) 2001,2003,2004 Dell <[e-mail]>
  * Copyright (C) 2004 Intel Corporation <[e-mail]>
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
 #include <linux/capability.h>