diff options
Diffstat (limited to 'drivers/acpi')
66 files changed, 212 insertions, 757 deletions
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c index cdd3136829f1..829f37d36b9f 100644 --- a/drivers/acpi/ac.c +++ b/drivers/acpi/ac.c @@ -1,22 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * acpi_ac.c - ACPI AC Adapter Driver ($Revision: 27 $) * * Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com> * Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * - * 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. - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ #include <linux/kernel.h> diff --git a/drivers/acpi/acpi_extlog.c b/drivers/acpi/acpi_extlog.c index 560fdae8cc59..8596a106a933 100644 --- a/drivers/acpi/acpi_extlog.c +++ b/drivers/acpi/acpi_extlog.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Extended Error Log driver * * Copyright (C) 2013 Intel Corp. * Author: Chen, Gong <gong.chen@intel.com> - * - * This file is licensed under GPLv2. */ #include <linux/module.h> diff --git a/drivers/acpi/acpi_ipmi.c b/drivers/acpi/acpi_ipmi.c index 712fd31674a6..9d6c0fc120d7 100644 --- a/drivers/acpi/acpi_ipmi.c +++ b/drivers/acpi/acpi_ipmi.c @@ -1,23 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * acpi_ipmi.c - ACPI IPMI opregion * * Copyright (C) 2010, 2013 Intel Corporation * Author: Zhao Yakui <yakui.zhao@intel.com> * Lv Zheng <lv.zheng@intel.com> - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * - * 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. - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ #include <linux/module.h> diff --git a/drivers/acpi/acpi_lpat.c b/drivers/acpi/acpi_lpat.c index 43f1b99c86ca..851f67c96097 100644 --- a/drivers/acpi/acpi_lpat.c +++ b/drivers/acpi/acpi_lpat.c @@ -1,16 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * acpi_lpat.c - LPAT table processing functions * * Copyright (C) 2015 Intel Corporation. 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. */ #include <linux/export.h> diff --git a/drivers/acpi/acpi_lpit.c b/drivers/acpi/acpi_lpit.c index e43cb71b6972..6116b0fb86d4 100644 --- a/drivers/acpi/acpi_lpit.c +++ b/drivers/acpi/acpi_lpit.c @@ -1,17 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * acpi_lpit.c - LPIT table processing functions * * Copyright (C) 2017 Intel Corporation. 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. */ #include <linux/cpu.h> diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c index 8fe0960ea572..db013dc21c02 100644 --- a/drivers/acpi/acpi_memhotplug.c +++ b/drivers/acpi/acpi_memhotplug.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2004, 2013 Intel Corporation * Author: Naveen B S <naveen.b.s@intel.com> @@ -5,17 +6,6 @@ * * 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 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, GOOD TITLE or - * NON INFRINGEMENT. See the GNU General Public License for more - * details. - * * ACPI based HotPlug driver that supports Memory Hotplug * This driver fields notifications from firmware for memory add * and remove operations and alerts the VM of the affected memory diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c index a47676a55b84..6b3f1217a237 100644 --- a/drivers/acpi/acpi_pad.c +++ b/drivers/acpi/acpi_pad.c @@ -1,17 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * acpi_pad.c ACPI Processor Aggregator Driver * * Copyright (c) 2009, 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. - * */ #include <linux/kernel.h> diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c index d73afb562ad9..9489ffc06411 100644 --- a/drivers/acpi/acpi_video.c +++ b/drivers/acpi/acpi_video.c @@ -1,23 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * video.c - ACPI Video Driver * * Copyright (C) 2004 Luming Yu <luming.yu@intel.com> * Copyright (C) 2004 Bruno Ducrot <ducrot@poupinou.org> * Copyright (C) 2006 Thomas Tuttle <linux-kernel@ttuttle.net> - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * - * 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. - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ #include <linux/kernel.h> diff --git a/drivers/acpi/apei/apei-base.c b/drivers/acpi/apei/apei-base.c index da370e1d31f4..131c35ee9ed3 100644 --- a/drivers/acpi/apei/apei-base.c +++ b/drivers/acpi/apei/apei-base.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * apei-base.c - ACPI Platform Error Interface (APEI) supporting * infrastructure @@ -15,15 +16,6 @@ * * Copyright (C) 2009, Intel Corp. * Author: Huang Ying <ying.huang@intel.com> - * - * 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. */ #include <linux/kernel.h> diff --git a/drivers/acpi/apei/bert.c b/drivers/acpi/apei/bert.c index 0d948d0a41af..1155fb9dcc3a 100644 --- a/drivers/acpi/apei/bert.c +++ b/drivers/acpi/apei/bert.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * APEI Boot Error Record Table (BERT) support * @@ -16,9 +17,6 @@ * * For more information about BERT, please refer to ACPI Specification * version 4.0, section 17.3.1 - * - * This file is licensed under GPLv2. - * */ #include <linux/kernel.h> diff --git a/drivers/acpi/apei/einj.c b/drivers/acpi/apei/einj.c index 2d4be94f8c00..e430cf4caec2 100644 --- a/drivers/acpi/apei/einj.c +++ b/drivers/acpi/apei/einj.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * APEI Error INJection support * @@ -9,15 +10,6 @@ * * Copyright 2009-2010 Intel Corp. * Author: Huang Ying <ying.huang@intel.com> - * - * 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. */ #include <linux/kernel.h> diff --git a/drivers/acpi/apei/erst-dbg.c b/drivers/acpi/apei/erst-dbg.c index 6330f557a2c8..d0f3a46716e9 100644 --- a/drivers/acpi/apei/erst-dbg.c +++ b/drivers/acpi/apei/erst-dbg.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * APEI Error Record Serialization Table debug support * @@ -8,15 +9,6 @@ * * Copyright 2010 Intel Corp. * Author: Huang Ying <ying.huang@intel.com> - * - * 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. */ #include <linux/kernel.h> diff --git a/drivers/acpi/apei/erst.c b/drivers/acpi/apei/erst.c index 389d88e35ffb..2015a0967cbb 100644 --- a/drivers/acpi/apei/erst.c +++ b/drivers/acpi/apei/erst.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * APEI Error Record Serialization Table support * @@ -9,15 +10,6 @@ * * Copyright 2010 Intel Corp. * Author: Huang Ying <ying.huang@intel.com> - * - * 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. */ #include <linux/kernel.h> diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c index 0b5ae91fd0fb..993940d582f5 100644 --- a/drivers/acpi/apei/ghes.c +++ b/drivers/acpi/apei/ghes.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * APEI Generic Hardware Error Source support * @@ -14,15 +15,6 @@ * * Copyright 2010,2011 Intel Corp. * Author: Huang Ying <ying.huang@intel.com> - * - * 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. */ #include <linux/arm_sdei.h> diff --git a/drivers/acpi/apei/hest.c b/drivers/acpi/apei/hest.c index 8113ddb14d28..267bdbf6a7bf 100644 --- a/drivers/acpi/apei/hest.c +++ b/drivers/acpi/apei/hest.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * APEI Hardware Error Souce Table support * @@ -12,15 +13,6 @@ * * Copyright 2009 Intel Corp. * Author: Huang Ying <ying.huang@intel.com> - * - * 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. */ #include <linux/kernel.h> diff --git a/drivers/acpi/arm64/Kconfig b/drivers/acpi/arm64/Kconfig index 5a6f80fce0d6..6dba187f4f2e 100644 --- a/drivers/acpi/arm64/Kconfig +++ b/drivers/acpi/arm64/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only # # ACPI Configuration for ARM64 # diff --git a/drivers/acpi/arm64/Makefile b/drivers/acpi/arm64/Makefile index 1017def2ea12..6ff50f4ed947 100644 --- a/drivers/acpi/arm64/Makefile +++ b/drivers/acpi/arm64/Makefile @@ -1,2 +1,3 @@ +# SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_ACPI_IORT) += iort.o obj-$(CONFIG_ACPI_GTDT) += gtdt.o diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c index 9058cb084b91..d4551e33fa71 100644 --- a/drivers/acpi/arm64/iort.c +++ b/drivers/acpi/arm64/iort.c @@ -1,16 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2016, Semihalf * Author: Tomasz Nowicki <tn@semihalf.com> * - * 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. - * * This file implements early detection/parsing of I/O mapping * reported to OS through firmware via I/O Remapping Table (IORT) * IORT document number: ARM DEN 0049A @@ -753,31 +745,6 @@ static int __maybe_unused __get_pci_rid(struct pci_dev *pdev, u16 alias, return 0; } -static int arm_smmu_iort_xlate(struct device *dev, u32 streamid, - struct fwnode_handle *fwnode, - const struct iommu_ops *ops) -{ - int ret = iommu_fwspec_init(dev, fwnode, ops); - - if (!ret) - ret = iommu_fwspec_add_ids(dev, &streamid, 1); - - return ret; -} - -static inline bool iort_iommu_driver_enabled(u8 type) -{ - switch (type) { - case ACPI_IORT_NODE_SMMU_V3: - return IS_BUILTIN(CONFIG_ARM_SMMU_V3); - case ACPI_IORT_NODE_SMMU: - return IS_BUILTIN(CONFIG_ARM_SMMU); - default: - pr_warn("IORT node type %u does not describe an SMMU\n", type); - return false; - } -} - #ifdef CONFIG_IOMMU_API static struct acpi_iort_node *iort_get_msi_resv_iommu(struct device *dev) { @@ -878,15 +845,39 @@ int iort_iommu_msi_get_resv_regions(struct device *dev, struct list_head *head) return (resv == its->its_count) ? resv : -ENODEV; } -#else -static inline const struct iommu_ops *iort_fwspec_iommu_ops(struct device *dev) -{ return NULL; } -static inline int iort_add_device_replay(const struct iommu_ops *ops, - struct device *dev) -{ return 0; } -int iort_iommu_msi_get_resv_regions(struct device *dev, struct list_head *head) -{ return 0; } -#endif + +static inline bool iort_iommu_driver_enabled(u8 type) +{ + switch (type) { + case ACPI_IORT_NODE_SMMU_V3: + return IS_BUILTIN(CONFIG_ARM_SMMU_V3); + case ACPI_IORT_NODE_SMMU: + return IS_BUILTIN(CONFIG_ARM_SMMU); + default: + pr_warn("IORT node type %u does not describe an SMMU\n", type); + return false; + } +} + +static int arm_smmu_iort_xlate(struct device *dev, u32 streamid, + |