diff options
Diffstat (limited to 'drivers/irqchip')
56 files changed, 488 insertions, 415 deletions
diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig index fcf9457cc1d9..659c5e0fb835 100644 --- a/drivers/irqchip/Kconfig +++ b/drivers/irqchip/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only menu "IRQ chip support" config IRQCHIP @@ -157,6 +158,12 @@ config IMGPDC_IRQ select GENERIC_IRQ_CHIP select IRQ_DOMAIN +config IXP4XX_IRQ + bool + select IRQ_DOMAIN + select GENERIC_IRQ_MULTI_HANDLER + select SPARSE_IRQ + config MADERA_IRQ tristate diff --git a/drivers/irqchip/Makefile b/drivers/irqchip/Makefile index 8a33013da953..606a003a0000 100644 --- a/drivers/irqchip/Makefile +++ b/drivers/irqchip/Makefile @@ -43,6 +43,7 @@ obj-$(CONFIG_ATMEL_AIC5_IRQ) += irq-atmel-aic-common.o irq-atmel-aic5.o obj-$(CONFIG_I8259) += irq-i8259.o obj-$(CONFIG_IMGPDC_IRQ) += irq-imgpdc.o obj-$(CONFIG_IRQ_MIPS_CPU) += irq-mips-cpu.o +obj-$(CONFIG_IXP4XX_IRQ) += irq-ixp4xx.o obj-$(CONFIG_SIRF_IRQ) += irq-sirfsoc.o obj-$(CONFIG_JCORE_AIC) += irq-jcore-aic.o obj-$(CONFIG_RDA_INTC) += irq-rda-intc.o diff --git a/drivers/irqchip/alphascale_asm9260-icoll.h b/drivers/irqchip/alphascale_asm9260-icoll.h index 5cec108ee204..1ec59483afa1 100644 --- a/drivers/irqchip/alphascale_asm9260-icoll.h +++ b/drivers/irqchip/alphascale_asm9260-icoll.h @@ -1,10 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2014 Oleksij Rempel <linux@rempel-privat.de> - * - * 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. */ #ifndef _ALPHASCALE_ASM9260_ICOLL_H diff --git a/drivers/irqchip/exynos-combiner.c b/drivers/irqchip/exynos-combiner.c index b78a169c9c83..0b85d9a3fbff 100644 --- a/drivers/irqchip/exynos-combiner.c +++ b/drivers/irqchip/exynos-combiner.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. * http://www.samsung.com * * Combiner irqchip for EXYNOS - * - * 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/err.h> #include <linux/export.h> diff --git a/drivers/irqchip/irq-aspeed-i2c-ic.c b/drivers/irqchip/irq-aspeed-i2c-ic.c index f20200af0992..8d591c179f81 100644 --- a/drivers/irqchip/irq-aspeed-i2c-ic.c +++ b/drivers/irqchip/irq-aspeed-i2c-ic.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Aspeed 24XX/25XX I2C Interrupt Controller. * * Copyright (C) 2012-2017 ASPEED Technology Inc. * Copyright 2017 IBM Corporation * Copyright 2017 Google, Inc. - * - * 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/irq.h> diff --git a/drivers/irqchip/irq-aspeed-vic.c b/drivers/irqchip/irq-aspeed-vic.c index 03ba477ea0d0..6567ed782f82 100644 --- a/drivers/irqchip/irq-aspeed-vic.c +++ b/drivers/irqchip/irq-aspeed-vic.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2015 - Ben Herrenschmidt, IBM Corp. * @@ -7,17 +8,6 @@ * * Copyright (C) 1999 - 2003 ARM Limited * Copyright (C) 2000 Deep Blue Solutions Ltd - * - * 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/export.h> diff --git a/drivers/irqchip/irq-ath79-cpu.c b/drivers/irqchip/irq-ath79-cpu.c index befe93c5a51a..923e4bba3776 100644 --- a/drivers/irqchip/irq-ath79-cpu.c +++ b/drivers/irqchip/irq-ath79-cpu.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Atheros AR71xx/AR724x/AR913x specific interrupt handling * @@ -7,10 +8,6 @@ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> * * Parts of this file are based on Atheros' 2.6.15/2.6.31 BSP - * - * 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/interrupt.h> diff --git a/drivers/irqchip/irq-ath79-misc.c b/drivers/irqchip/irq-ath79-misc.c index aa7290784636..3d641bb6f3f1 100644 --- a/drivers/irqchip/irq-ath79-misc.c +++ b/drivers/irqchip/irq-ath79-misc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Atheros AR71xx/AR724x/AR913x MISC interrupt controller * @@ -7,10 +8,6 @@ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> * * Parts of this file are based on Atheros' 2.6.15/2.6.31 BSP - * - * 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/irqchip.h> @@ -22,6 +19,15 @@ #define AR71XX_RESET_REG_MISC_INT_ENABLE 4 #define ATH79_MISC_IRQ_COUNT 32 +#define ATH79_MISC_PERF_IRQ 5 + +static int ath79_perfcount_irq; + +int get_c0_perfcount_int(void) +{ + return ath79_perfcount_irq; +} +EXPORT_SYMBOL_GPL(get_c0_perfcount_int); static void ath79_misc_irq_handler(struct irq_desc *desc) { @@ -113,6 +119,8 @@ static void __init ath79_misc_intc_domain_init( { void __iomem *base = domain->host_data; + ath79_perfcount_irq = irq_create_mapping(domain, ATH79_MISC_PERF_IRQ); + /* Disable and clear all interrupts */ __raw_writel(0, base + AR71XX_RESET_REG_MISC_INT_ENABLE); __raw_writel(0, base + AR71XX_RESET_REG_MISC_INT_STATUS); diff --git a/drivers/irqchip/irq-bcm6345-l1.c b/drivers/irqchip/irq-bcm6345-l1.c index 43f8abe40878..e3483789f4df 100644 --- a/drivers/irqchip/irq-bcm6345-l1.c +++ b/drivers/irqchip/irq-bcm6345-l1.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Broadcom BCM6345 style Level 1 interrupt controller driver * * Copyright (C) 2014 Broadcom Corporation * Copyright 2015 Simon Arlott * - * 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 is based on the BCM7038 (which supports SMP) but with a single * enable register instead of separate mask/set/clear registers. * diff --git a/drivers/irqchip/irq-bcm7038-l1.c b/drivers/irqchip/irq-bcm7038-l1.c index 0acebac1920b..fc75c61233aa 100644 --- a/drivers/irqchip/irq-bcm7038-l1.c +++ b/drivers/irqchip/irq-bcm7038-l1.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Broadcom BCM7038 style Level 1 interrupt controller driver * * Copyright (C) 2014 Broadcom Corporation * Author: Kevin Cernekee - * - * 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 diff --git a/drivers/irqchip/irq-bcm7120-l2.c b/drivers/irqchip/irq-bcm7120-l2.c index 541bdca9f4af..586df3587be0 100644 --- a/drivers/irqchip/irq-bcm7120-l2.c +++ b/drivers/irqchip/irq-bcm7120-l2.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Broadcom BCM7120 style Level 2 interrupt controller driver * * Copyright (C) 2014 Broadcom Corporation - * - * 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 diff --git a/drivers/irqchip/irq-brcmstb-l2.c b/drivers/irqchip/irq-brcmstb-l2.c index a0642b59befa..0298ede67e51 100644 --- a/drivers/irqchip/irq-brcmstb-l2.c +++ b/drivers/irqchip/irq-brcmstb-l2.c @@ -1,16 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Generic Broadcom Set Top Box Level 2 Interrupt controller driver * * Copyright (C) 2014-2017 Broadcom - * - * 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. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt diff --git a/drivers/irqchip/irq-clps711x.c b/drivers/irqchip/irq-clps711x.c index f913f4db7ae1..d0da29aeedc8 100644 --- a/drivers/irqchip/irq-clps711x.c +++ b/drivers/irqchip/irq-clps711x.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * CLPS711X IRQ driver * * Copyright (C) 2013 Alexander Shiyan <shc_work@mail.ru> - * - * 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. */ #include <linux/io.h> diff --git a/drivers/irqchip/irq-crossbar.c b/drivers/irqchip/irq-crossbar.c index 99d97d7e3fd7..a05a7501e107 100644 --- a/drivers/irqchip/irq-crossbar.c +++ b/drivers/irqchip/irq-crossbar.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * drivers/irqchip/irq-crossbar.c * * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com * Author: Sricharan R <r.sricharan@ti.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. - * */ #include <linux/err.h> #include <linux/io.h> diff --git a/drivers/irqchip/irq-gic-common.c b/drivers/irqchip/irq-gic-common.c index 3c93c6f4d1f1..b0a8215a13fc 100644 --- a/drivers/irqchip/irq-gic-common.c +++ b/drivers/irqchip/irq-gic-common.c @@ -1,17 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2002 ARM Limited, 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, see <http://www.gnu.org/licenses/>. */ #include <linux/interrupt.h> diff --git a/drivers/irqchip/irq-gic-common.h b/drivers/irqchip/irq-gic-common.h index 97e58fb6c232..5a46b6b57750 100644 --- a/drivers/irqchip/irq-gic-common.h +++ b/drivers/irqchip/irq-gic-common.h @@ -1,17 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2002 ARM Limited, 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, see <http://www.gnu.org/licenses/>. */ #ifndef _IRQ_GIC_COMMON_H diff --git a/drivers/irqchip/irq-gic-pm.c b/drivers/irqchip/irq-gic-pm.c index c4aac0977d8a..1337ceceb59b 100644 --- a/drivers/irqchip/irq-gic-pm.c +++ b/drivers/irqchip/irq-gic-pm.c @@ -1,17 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2016 NVIDIA 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. - * - * 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/module.h> #include <linux/clk.h> diff --git a/drivers/irqchip/irq-gic-v2m.c b/drivers/irqchip/irq-gic-v2m.c index 4359f0583377..875ac80f690b 100644 --- a/drivers/irqchip/irq-gic-v2m.c +++ b/drivers/irqchip/irq-gic-v2m.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * ARM GIC v2m MSI(-X) support * Support for Message Signaled Interrupts for systems that @@ -7,10 +8,6 @@ * Authors: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com> * Harish Kasiviswanathan <harish.kasiviswanathan@amd.com> * Brandon Anderson <brandon.anderson@amd.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. */ #define pr_fmt(fmt) "GICv2m: " fmt @@ -452,7 +449,7 @@ static struct fwnode_handle *gicv2m_get_fwnode(struct device *dev) } static int __init -acpi_parse_madt_msi(struct acpi_subtable_header *header, +acpi_parse_madt_msi(union acpi_subtable_headers *header, const unsigned long end) { int ret; diff --git a/drivers/irqchip/irq-gic-v3-its-pci-msi.c b/drivers/irqchip/irq-gic-v3-its-pci-msi.c index 8d6d009d1d58..229d586c3d7a 100644 --- a/drivers/irqchip/irq-gic-v3-its-pci-msi.c +++ b/drivers/irqchip/irq-gic-v3-its-pci-msi.c @@ -1,18 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2013-2015 ARM Limited, All Rights Reserved. * Author: Marc Zyngier <marc.zyngier@arm.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. - * - * 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_iort.h> @@ -159,7 +148,7 @@ static int __init its_pci_of_msi_init(void) #ifdef CONFIG_ACPI static int __init -its_pci_msi_parse_madt(struct acpi_subtable_header *header, +its_pci_msi_parse_madt(union acpi_subtable_headers *header, const unsigned long end) { struct acpi_madt_generic_translator *its_entry; diff --git a/drivers/irqchip/irq-gic-v3-its-platform-msi.c b/drivers/irqchip/irq-gic-v3-its-platform-msi.c index 7b8e87b493fe..daa6d5053bc3 100644 --- a/drivers/irqchip/irq-gic-v3-its-platform-msi.c +++ b/drivers/irqchip/irq-gic-v3-its-platform-msi.c @@ -1,18 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2013-2015 ARM Limited, All Rights Reserved. * Author: Marc Zyngier <marc.zyngier@arm.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. - * - * 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_iort.h> @@ -117,7 +106,7 @@ static int __init its_pmsi_init_one(struct fwnode_handle *fwnode, #ifdef CONFIG_ACPI static int __init -its_pmsi_parse_madt(struct acpi_subtable_header *header, +its_pmsi_parse_madt(union acpi_subtable_headers *header, const unsigned long end) { struct acpi_madt_generic_translator *its_entry; diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index f0523916232d..35500801dc2b 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -1,18 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2013-2017 ARM Limited, All Rights Reserved. * Author: Marc Zyngier <marc.zyngier@arm.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. - * - * 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> @@ -3845,13 +3834,13 @@ static int __init acpi_get_its_numa_node(u32 its_id) return NUMA_NO_NODE; } -static int __init gic_acpi_match_srat_its(struct acpi_subtable_header *header, +static int __init gic_acpi_match_srat_its(union acpi_subtable_headers *header, const unsigned long end) { return 0; } -static int __init gic_acpi_parse_srat_its(struct acpi_subtable_header *header, +static int __init gic_acpi_parse_srat_its(union acpi_subtable_headers *header, const unsigned long end) { int node; @@ -3918,7 +3907,7 @@ static int __init acpi_get_its_numa_node(u32 its_id) { return NUMA_NO_NODE; } static void __init acpi_its_srat_maps_free(void) { } #endif -static int __init gic_acpi_parse_madt_its(struct acpi_subtable_header *header, +static int __init gic_acpi_parse_madt_its(union acpi_subtable_headers *header, const unsigned long end) { struct acpi_madt_generic_translator *its_entry; diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c index 15e55d327505..6377cb864f4c 100644 --- a/drivers/irqchip/irq-gic-v3.c +++ b/drivers/irqchip/irq-gic-v3.c @@ -1,18 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2013-2017 ARM Limited, All Rights Reserved. * Author: Marc Zyngier <marc.zyngier@arm.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. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #define pr_fmt(fmt) "GICv3: " fmt @@ -1593,7 +1582,7 @@ gic_acpi_register_redist(phys_addr_t phys_base, void __iomem *redist_base) } static int __init -gic_acpi_parse_madt_redist(struct acpi_subtable_header *header, +gic_acpi_parse_madt_redist(union acpi_subtable_headers *header, const unsigned long end) { struct acpi_madt_generic_redistributor *redist = @@ -1611,7 +1600,7 @@ gic_acpi_parse_madt_redist(struct acpi_subtable_header *header, } static int __init -gic_acpi_parse_madt_gicc(struct acpi_subtable_header *header, +gic_acpi_parse_madt_gicc(union acpi_subtable_headers *header, const unsigned long end) { struct acpi_madt_generic_interrupt *gicc = @@ -1653,14 +1642,14 @@ static int __init gic_acpi_collect_gicr_base(void) return -ENODEV; } -static int __init gic_acpi_match_gicr(struct acpi_subtable_header *header, +static int __init gic_acpi_match_gicr(union acpi_subtable_headers *header, const unsigned long end) { /* Subtable presence means that redist exists, that's it */ return 0; } -static int __init gic_acpi_match_gicc(struct acpi_subtable_header *header, +static int __init gic_acpi_match_gicc(union acpi_subtable_headers *header, const unsigned long end) { struct acpi_madt_generic_interrupt *gicc = @@ -1726,7 +1715,7 @@ static bool __init acpi_validate_gic_table(struct acpi_subtable_header *header, return true; } -static int __init gic_acpi_parse_virt_madt_gicc(struct acpi_subtable_header *header, +static int __init gic_acpi_parse_virt_madt_gicc(union acpi_subtable_headers *header, const unsigned long end) { struct acpi_madt_generic_interrupt *gicc = diff --git a/drivers/irqchip/irq-gic-v4.c b/drivers/irqchip/irq-gic-v4.c index dba9d67cb9c1..563e87ed0766 100644 --- a/drivers/irqchip/irq-gic-v4.c +++ b/drivers/irqchip/irq-gic-v4.c @@ -1,18 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2016,2017 ARM Limited, All Rights Reserved. * Author: Marc Zyngier <marc.zyngier@arm.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. - * - * 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/interrupt.h> diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c index fd3110c171ba..e45f45e68720 100644 --- a/drivers/irqchip/irq-gic.c +++ b/drivers/irqchip/irq-gic.c @@ -1,10 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2002 ARM Limited, 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. - * * Interrupt architecture for the GIC: * * o There is one Interrupt Distributor, which receives interrupts @@ -1495,7 +1492,7 @@ static struct } acpi_data __initdata; static int __init -gic_acpi_parse_madt_cpu(struct acpi_subtable_header *header, +gic_acpi_parse_madt_cpu(union acpi_subtable_headers *header, const unsigned long end) { struct acpi_madt_generic_interrupt *processor; @@ -1527,7 +1524,7 @@ gic_acpi_parse_madt_cpu(struct acpi_subtable_header *header, } /* The things you have to do to just *count* something... */ -static int __init acpi_dummy_func(struct acpi_subtable_header *header, +static int __init acpi_dummy_func(union acpi_subtable_headers *header, const unsigned long end) { return 0; diff --git a/drivers/irqchip/irq-goldfish-pic.c b/drivers/irqchip/irq-goldfish-pic.c index 2a92f03c73e4..4f021530e7f3 100644 --- a/drivers/irqchip/irq-goldfish-pic.c +++ b/drivers/irqchip/irq-goldfish-pic.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Driver for MIPS Goldfish Programmable Interrupt Controller. * * Author: Miodrag Dinic <miodrag.dinic@mips.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. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt diff --git a/drivers/irqchip/irq-hip04.c b/drivers/irqchip/irq-hip04.c index 5b4fd2f4e5f8..cf705827599c 100644 --- a/drivers/irqchip/irq-hip04.c +++ b/drivers/irqchip/irq-hip04.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Hisilicon HiP04 INTC * @@ -5,10 +6,6 @@ * Copyright (c) 2013-2014 Hisilicon Ltd. * 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. - * * Interrupt architecture for the HIP04 INTC: * * o There is one Interrupt Distributor, which receives interrupts diff --git a/drivers/irqchip/irq-imx-gpcv2.c b/drivers/irqchip/irq-imx-gpcv2.c index 66501ea4fd75..bf2237ac5d09 100644 --- a/drivers/irqchip/irq-imx-gpcv2.c +++ b/drivers/irqchip/irq-imx-gpcv2.c @@ -1,9 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2015 Freescale Semiconductor, Inc. - * - * 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/of_address.h> diff --git a/drivers/irqchip/irq-ingenic.c b/drivers/irqchip/irq-ingenic.c index 2ff08986b536..f126255b3260 100644 --- a/drivers/irqchip/irq-ingenic.c +++ b/drivers/irqchip/irq-ingenic.c @@ -1,16 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2009-2010, Lars-Peter Clausen <lars@metafoo.de> * JZ4740 platform IRQ support - * - * 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. - * - * 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., - * 675 Mass Ave, Cambridge, MA 02139, USA. - * */ #include <linux/errno.h> diff --git a/drivers/irqchip/irq-ixp4xx.c b/drivers/irqchip/irq-ixp4xx.c new file mode 100644 index 000000000000..6751c35b7e1d --- /dev/null +++ b/drivers/irqchip/irq-ixp4xx.c @@ -0,0 +1,403 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * irqchip for the IXP4xx interrupt controller + * Copyright (C) 2019 Linus Walleij <linus.walleij@linaro.org> + * + * Based on arch/arm/mach-ixp4xx/common.c + * Copyright 2002 (C) Intel Corporation + * Copyright 2003-2004 (C) MontaVista, Software, Inc. + * Copyright (C) Deepak Saxena <dsaxena@plexity.net> + */ +#include <linux/bitops.h> +#include <linux/gpio/driver.h> +#include <linux/irq.h> +#include <linux/io.h> +#include <linux/irqchip.h> +#include <linux/irqchip/irq-ixp4xx.h> +#include <linux/irqdomain.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/of_irq.h> +#include <linux/platform_device.h> +#include <linux/cpu.h> + +#include <asm/exception.h> +#include <asm/mach/irq.h> + +#define IXP4XX_ICPR 0x00 /* Interrupt Status */ +#define IXP4XX_ICMR 0x04 /* Interrupt Enable */ +#define IXP4XX_ICLR 0x08 /* Interrupt IRQ/FIQ Select */ +#define IXP4XX_ICIP 0x0C /* IRQ Status */ +#define IXP4XX_ICFP 0x10 /* FIQ Status */ +#define IXP4XX_ICHR 0x14 /* Interrupt Priority */ +#define IXP4XX_ICIH 0x18 /* IRQ Highest Pri Int */ +#define IXP4XX_ICFH 0x1C /* FIQ Highest Pri Int */ + +/* IXP43x and IXP46x-only */ +#define IXP4XX_ICPR2 0x20 /* Interrupt Status 2 */ +#define IXP4XX_ICMR2 0x24 /* Interrupt Enable 2 */ +#define IXP4XX_ICLR2 0x28 /* Interrupt IRQ/FIQ Select 2 */ +#define IXP4XX_ICIP2 0x2C /* IRQ Status */ +#define IXP4XX_ICFP2 0x30 /* FIQ Status */ +#define IXP4XX_ICEEN 0x34 /* Error High Pri Enable */ + +/** + * struct ixp4xx_irq - state container for the Faraday IRQ controller + * @irqbase: IRQ controller memory base in virtual memory + * @is_356: if this is an IXP43x, IXP45x or IX46x SoC (with 64 IRQs) + * @irqchip: irqchip for this instance + * @domain: IRQ domain for this instance + */ +struct ixp4xx_irq { + void __iomem *irqbase; + bool is_356; + struct irq_chip irqchip; + struct irq_domain *domain; +}; + +/* Local static state container */ +static struct ixp4xx_irq ixirq; + +/* GPIO Clocks */ +#define IXP4XX_GPIO_CLK_0 14 +#define IXP4XX_GPIO_CLK_1 15 + +static int ixp4xx_set_irq_type(struct irq_data *d, unsigned int type) +{ + /* All are level active high (asserted) here */ + if (type != IRQ_TYPE_LEVEL_HIGH) + return -EINVAL; + return 0; +} + +static void ixp4xx_irq_mask(struct irq_data *d) +{ + struct ixp4xx_irq *ixi = irq_data_get_irq_chip_data(d); + u32 val; + + if (ixi->is_356 && d->hwirq >= 32) { + val = __raw_readl(ixi->irqbase + IXP4XX_ICMR2); + val &= ~BIT(d->hwirq - 32); + __raw_writel(val, ixi->irqbase + IXP4XX_ICMR2); + } else { + val = __raw_readl(ixi->irqbase + IXP4XX_ICMR); + val &= ~BIT(d->hwirq); + __raw_writel(val, ixi->irqbase + IXP4XX_ICMR); + } +} + +/* + * Level triggered interrupts on GPIO lines can only be cleared when the + * interrupt condition disappears. + */ +static void ixp4xx_irq_unmask(struct irq_data *d) +{ + struct ixp4xx_irq *ixi = irq_data_get_irq_chip_data(d); + u32 val; + + if (ixi->is_356 && d->hwirq >= 32) { + val = __raw_readl(ixi->irqbase + IXP4XX_ICMR2); + val |= BIT(d->hwirq - 32); + __raw_writel(val, ixi->irqbase + IXP4XX_ICMR2); + } else { + val = __raw_readl(ixi->irqbase + IXP4XX_ICMR); + val |= BIT(d->hwirq); + __raw_writel(val, ixi->irqbase + IXP4XX_ICMR); + } +} + +asmlinkage void __exception_irq_entry ixp4xx_handle_irq(struct pt_regs *regs) +{ + struct ixp4xx_irq *ixi = &ixirq; + unsigned long status; + int i; + + status = __raw_readl(ixi->irqbase + IXP4XX_ICIP); + for_each_set_bit(i, &status, 32) + handle_domain_irq(ixi->domain, i, regs); + + /* + * IXP465/IXP435 has an upper IRQ status register + */ + if (ixi->is_356) { + status = __raw_readl(ixi->irqbase + IXP4XX_ICIP2); + for_each_set_bit(i, &status, 32) + handle_domain_irq(ixi->domain, i + 32, regs); + } +} + +static int ixp4xx_irq_domain_translate(struct irq_domain *domain, + struct irq_fwspec *fwspec, + unsigned long *hwirq, + unsigned int *type) +{ + /* We support standard DT translation */ + if (is_of_node(fwspec->fwnode) && fwspec->param_count == 2) { + *hwirq = fwspec->param[0]; + *type = fwspec->param[1]; + return 0; + } + + if (is_fwnode_irqchip(fwspec->fwnode)) { + if (fwspec->param_count != 2) + return -EINVAL; + *hwirq = fwspec->param[0]; + *type = fwspec->param[1]; + WARN_ON(*type == IRQ_TYPE_NONE); + return 0; + } + + return -EINVAL; +} + +static int ixp4xx_irq_domain_alloc(struct irq_domain *d, + unsigned int irq, unsigned int nr_irqs, + void *data) +{ + struct ixp4xx_irq *ixi = d->host_data; + irq_hw_number_t hwirq; + unsigned int type = IRQ_TYPE_NONE; + struct irq_fwspec *fwspec = data; + int ret; + int i; + + ret = ixp4xx_irq_domain_translate(d, fwspec, &hwirq, &type); + if (ret) + return ret; + + for (i = 0; i < nr_irqs; i++) { + /* + * TODO: after converting IXP4xx to only device tree, set + * handle_bad_irq as default handler and assume all consumers + * call .set_type() as this is provided in the second cell in + * the device tree phandle. + */ + irq_domain_set_info(d, + irq + i, + hwirq + i, + &ixi->irqchip, + ixi, + handle_level_irq, + NULL, NULL); + irq_set_probe(irq + i); + } + + return 0; +} + +/* + * This needs to be a hierarchical irqdomain to work well with the + * GPIO irqchip (which is lower in the hierarchy) + */ +static const struct irq_domain_ops ixp4xx_irqdomain_ops = { + .translate = ixp4xx_irq_domain_translate, + .alloc = ixp4xx_irq_domain_alloc, + .free = irq_domain_free_irqs_common, +}; + +/** + * ixp4xx_get_irq_domain() - retrieve the ixp4xx irq domain + * + * This function will go away when we transition to DT probing. + */ +struct irq_domain *ixp4xx_get_irq_domain(void) +{ + struct ixp4xx_irq *ixi = &ixirq; + + return ixi->domain; +} +EXPORT_SYMBOL_GPL(ixp4xx_get_irq_domain); + +/* + * This is the Linux IRQ to hwirq mapping table. This goes away when + * we have DT support as all IRQ resources are defined in the device + * tree. It will register all the IRQs that are not used by the hierarchical + * GPIO IRQ chip. The "holes" inbetween these IRQs will be requested by + * the GPIO driver using . This is a step-gap solution. + */ +struct ixp4xx_irq_chunk { + int irq; + int hwirq; + int nr_irqs; +}; + +static const struct ixp4xx_irq_chunk ixp4xx_irq_chunks[] = { + { + .irq = 16, + .hwirq = 0, + .nr_irqs = 6, + }, + { + .irq = 24, + .hwirq = 8, + .nr_irqs = 11, + }, + { + .irq = 46, + .hwirq = 30, + .nr_irqs = 2, + }, + /* Only on the 436 variants */ + { + .irq = 48, + .hwirq = 32, + .nr_irqs = 10, + }, +}; + +/** + * ixp4x_irq_setup() - Common setup code for the IXP4xx interrupt controller + * @ixi: State container + * @irqbase: Virtual memory base for the interrupt controller + * @fwnode: Corresponding fwnode abstraction for this controller + * @is_356: if this is an IXP43x, IXP45x or IXP46x SoC variant + */ +static int __init ixp4xx_irq_setup(struct ixp4xx_irq *ixi, + void __iomem *irqbase, + struct fwnode_handle *fwnode, + bool is_356) +{ + int nr_irqs; + + ixi->irqbase = irqbase; + ixi->is_356 = is_356; + + /* Route all sources to IRQ instead of FIQ */ + __raw_writel(0x0, ixi->irqbase + IXP4XX_ICLR); + + /* Disable all interrupts */ + __raw_writel(0x0, ixi->irqbase + IXP4XX_ICMR); + + if (is_356) { + /* Route upper 32 sources to IRQ instead of FIQ */ + __raw_writel(0x0, ixi->irqbase + IXP4XX_ICLR2); + + /* Disable upper 32 interrupts */ + __raw_writel(0x0, ixi->irqbase + IXP4XX_ICMR2); + + nr_irqs = 64; + } else { + nr_irqs = 32; + } + + ixi->irqchip.name = "IXP4xx"; + ixi->irqchip.irq_mask = ixp4xx_irq_mask; + ixi->irqchip.irq_unmask = ixp4xx_irq_unmask; + ixi->irqchip.irq_set_type = ixp4xx_set_irq_type; + + ixi->domain = irq_domain_create_linear(fwnode, nr_irqs, + &ixp4xx_irqdomain_ops, + ixi); + if (!ixi->domain) { + pr_crit("IXP4XX: can not add primary irqdomain\n"); + return -ENODEV; + } + + set_handle_irq(ixp4xx_handle_irq); + + return 0; +} + +/** + * ixp4xx_irq_init() - Function to initialize the irqchip from boardfiles + * @irqbase: physical base for the irq controller + * @is_356: if this is an IXP43x, IXP45x or IXP46x SoC variant + */ +void __init ixp4xx_irq_init(resource_size_t irqbase, + bool is_356) +{ + struct ixp4xx_irq *ixi = &ixirq; + void __iomem *base; + struct fwnode_handle *fwnode; + struct irq_fwspec fwspec; + int nr_chunks; + int ret; + int i; + + base = ioremap(irqbase, 0x100); + if (!base) { + pr_crit("IXP4XX: could not ioremap interrupt controller\n"); + return; + } + fwnode = irq_domain_alloc_fwnode(base); + if (!fwnode) { + pr_crit("IXP4XX: no domain handle\n"); + return; + } + ret = ixp4xx_irq_setup(ixi, base, fwnode, is_356); + if (ret) { + pr_crit("IXP4XX: failed to set up irqchip\n"); + irq_domain_free_fwnode(fwnode); + } + + nr_chunks = ARRAY_SIZE(ixp4xx_irq_chunks); + if (!is_356) + nr_chunks--; + + /* + * After adding OF support, this is no longer needed: irqs + * will be allocated for the respective fwnodes. + */ + for (i = 0; i < nr_chunks; i++) { + const struct ixp4xx_irq_chunk *chunk = &ixp4xx_irq_chunks[i]; + + pr_info("Allocate Linux IRQs %d..%d HW IRQs %d..%d\n", + chunk->irq, chunk->irq + chunk->nr_irqs - 1, + chunk->hwirq, chunk->hwirq + chunk->nr_irqs - 1); + fwspec.fwnode = fwnode; + fwspec.param[0] = chunk->hwirq; + fwspec.param[1] = IRQ_TYPE_LEVEL_HIGH; + fwspec.param_count = 2; + ret = __irq_domain_alloc_irqs(ixi->domain, + chunk->irq, + chunk->nr_irqs, + NUMA_NO_NODE, + &fwspec, + false, + NULL); + if (ret < 0) { + pr_crit("IXP4XX: can not allocate irqs in hierarchy %d\n", + ret); + return; + } + } +} +EXPORT_SYMBOL_GPL(ixp4xx_irq_init); + +#ifdef CONFIG_OF +int __init ixp4xx_of_init_irq(struct device_node *np, + struct device_node *parent) +{ + struct ixp4xx_irq *ixi = &ixirq; + void __iomem *base; + struct fwnode_handle *fwnode; + bool is_356; + int ret; + + base = of_iomap(np, 0); + if (!base) { + pr_crit("IXP4XX: could not ioremap interrupt controller\n"); + return -ENODEV; + } + fwnode = of_node_to_fwnode(np); + + /* These chip variants have 64 interrupts */ + is_356 = of_device_is_compatible(np, "intel,ixp43x-interrupt") || + of_device_is_compatible(np, "intel,ixp45x-interrupt") || + of_device_is_compatible(np, "intel,ixp46x-interrupt"); + + ret = ixp4xx_irq_setup(ixi, base, fwnode, is_356); + if (ret) + pr_crit("IXP4XX: failed to set up irqchip\n"); + + return ret; +} +IRQCHIP_DECLARE(ixp42x, "intel,ixp42x-interrupt", + ixp4xx_of_init_irq); +IRQCHIP_DECLARE(ixp43x, "intel,ixp43x-interrupt", + ixp4xx_of_init_irq); +IRQCHIP_DECLARE(ixp45x, "intel,ixp45x-interrupt", + ixp4xx_of_init_irq); +IRQCHIP_DECLARE(ixp46x, "intel,ixp46x-interrupt", + ixp4xx_of_init_irq); +#endif diff --git a/drivers/irqchip/irq-lpc32xx.c b/drivers/irqchip/irq-lpc32xx.c index a48357d369b5..7d9b388afe64 100644 --- a/drivers/irqchip/irq-lpc32xx.c +++ b/drivers/irqchip/irq-lpc32xx.c @@ -1,12 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright 2015-2016 Vladimir Zapolskiy <vz@mleia.com> - * - * The code contained herein is licensed under the GNU General Public - * License. You may obtain a copy of the GNU General Public License - * Version 2 or later at the following locations: - * - * http://www.opensource.org/licenses/gpl-license.html - * http://www.gnu.org/copyleft/gpl.html */ #define pr_fmt(fmt) "%s: " fmt, __func__ diff --git a/drivers/irqchip/irq-ls-scfg-msi.c b/drivers/irqchip/irq-ls-scfg-msi.c index 669d29105772..61dbfda08527 100644 --- a/drivers/irqchip/irq-ls-scfg-msi.c +++ b/drivers/irqchip/irq-ls-scfg-msi.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Freescale SCFG MSI(-X) support * * Copyright (C) 2016 Freescale Semiconductor. * * Author: Minghuan Lian <Minghuan.Lian@nxp.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. */ #include <linux/kernel.h> diff --git a/drivers/irqchip/irq-mbigen.c b/drivers/irqchip/irq-mbigen.c index 98b6e1d4b1a6..a89c693d5b90 100644 --- a/drivers/irqchip/irq-mbigen.c +++ b/drivers/irqchip/irq-mbigen.c @@ -1,19 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2015 Hisilicon Limited, All Rights Reserved. * Author: Jun Ma <majun258@huawei.com> * Author: Yun Wu <wuyun.wu@huawei.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. - * - * 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> diff --git a/drivers/irqchip/irq-meson-gpio.c b/drivers/irqchip/irq-meson-gpio.c index 7b531fd075b8..8eb92eb98f54 100644 --- a/drivers/irqchip/irq-meson-gpio.c +++ b/drivers/irqchip/irq-meson-gpio.c @@ -1,22 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2015 Endless Mobile, Inc. * Author: Carlo Caione <carlo@endlessm.com> * Copyright (c) 2016 BayLibre, SAS. * Author: Jerome Brunet <jbrunet@baylibre.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of version 2 of the GNU General Public License 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/>. - * The full GNU General Public License is included in this distribution - * in the file called COPYING. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt diff --git a/drivers/irqchip/irq-mips-cpu.c b/drivers/irqchip/irq-mips-cpu.c index 66f97fde13d8..95d4fd8f7a96 100644 --- a/drivers/irqchip/irq-mips-cpu.c +++ b/drivers/irqchip/irq-mips-cpu.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright 2001 MontaVista Software Inc. * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net @@ -7,11 +8,6 @@ * Author: Maciej W. Rozycki <macro@mips.com> * * This file define the irq handler for MIPS CPU interrupts. - * - * 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. */ /* diff --git a/drivers/irqchip/irq-mmp.c b/drivers/irqchip/irq-mmp.c index 8eed478f3b7e..14618dc0bd39 100644 --- a/drivers/irqchip/irq-mmp.c +++ b/drivers/irqchip/irq-mmp.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * linux/arch/arm/mach-mmp/irq.c * @@ -6,10 +7,6 @@ * * Author: Bin Yang <bin.yang@marvell.com> * Haojian Zhuang <haojian.zhuang@gmail.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. */ #include <linux/module.h> diff --git a/drivers/irqchip/irq-mtk-cirq.c b/drivers/irqchip/irq-mtk-cirq.c index 18c65c16de28..69ba8ce3c178 100644 --- a/drivers/irqchip/irq-mtk-cirq.c +++ b/drivers/irqchip/irq-mtk-cirq.c @@ -1,15 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2016 MediaTek Inc. * Author: Youlin.Pei <youlin.pei@mediatek.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/interrupt.h> diff --git a/drivers/irqchip/irq-mtk-sysirq.c b/drivers/irqchip/irq-mtk-sysirq.c index 90aaf190157f..73eae5966a40 100644 --- a/drivers/irqchip/irq-mtk-sysirq.c +++ b/drivers/irqchip/irq-mtk-sysirq.c @@ -1,15 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2014 MediaTek Inc. * Author: Joe.C <yingjoe.chen@mediatek.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/irq.h> diff --git a/drivers/irqchip/irq-mxs.c b/drivers/irqchip/irq-mxs.c index e8b31f52e071..a671938fd97f 100644 --- a/drivers/irqchip/irq-mxs.c +++ b/drivers/irqchip/irq-mxs.c @@ -1,21 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved. * Copyright (C) 2014 Oleksij Rempel <linux@rempel-privat.de> * Add Alphascale ASM9260 support. - * - * 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., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include <linux/kernel.h> diff --git a/drivers/irqchip/irq-nvic.c b/drivers/irqchip/irq-nvic.c index b1777104fd9f..a166d30deea2 100644 --- a/drivers/irqchip/irq-nvic.c +++ b/drivers/irqchip/irq-nvic.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * drivers/irq/irq-nvic.c * * Copyright (C) 2008 ARM Limited, All Rights Reserved. * Copyright (C) 2013 Pengutronix * - * 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. - * * Support for the Nested Vectored Interrupt Controller found on the * ARMv7-M CPUs (Cortex-M3/M4) */ diff --git a/drivers/irqchip/irq-or1k-pic.c b/drivers/irqchip/irq-or1k-pic.c index dd9d5d12fea2..03d2366118dd 100644 --- a/drivers/irqchip/irq-or1k-pic.c +++ b/drivers/irqchip/irq-or1k-pic.c @@ -1,11 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> * Copyright (C) 2014 Stefan Kristansson <stefan.kristiansson@saunalahti.fi> - * - * 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. */ #include <linux/irq.h> diff --git a/drivers/irqchip/irq-partition-percpu.c b/drivers/irqchip/irq-partition-percpu.c index 1f7cc5933cd5..0c4c8ed7064e 100644 --- a/drivers/irqchip/irq-partition-percpu.c +++ b/drivers/irqchip/irq-partition-percpu.c @@ -1,18 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2016 ARM Limited, All Rights Reserved. * Author: Marc Zyngier <marc.zyngier@arm.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. - * - * 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/bitops.h> diff --git a/drivers/irqchip/irq-pic32-evic.c b/drivers/irqchip/irq-pic32-evic.c index 73addb4b625b..34c4b4ffacd1 100644 --- a/drivers/irqchip/irq-pic32-evic.c +++ b/drivers/irqchip/irq-pic32-evic.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Cristian Birsan <cristian.birsan@microchip.com> * Joshua Henderson <joshua.henderson@microchip.com> * Copyright (C) 2016 Microchip Technology Inc. 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. */ #include <linux/kernel.h> #include <linux/module.h> diff --git a/drivers/irqchip/irq-s3c24xx.c b/drivers/irqchip/irq-s3c24xx.c index b623f300f1b1..d2031fecc386 100644 --- a/drivers/irqchip/irq-s3c24xx.c +++ b/drivers/irqchip/irq-s3c24xx.c @@ -1,19 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * S3C24XX IRQ handling * * Copyright (c) 2003-2004 Simtec Electronics * Ben Dooks <ben@simtec.co.uk> * Copyright (c) 2012 Heiko Stuebner <heiko@sntech.de> - * - * 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/init.h> diff --git a/drivers/irqchip/irq-sa11x0.c b/drivers/irqchip/irq-sa11x0.c index 61bb28d7b19b..dbccc7dafbf8 100644 --- a/drivers/irqchip/irq-sa11x0.c +++ b/drivers/irqchip/irq-sa11x0.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2015 Dmitry Eremin-Solenikov * Copyright (C) 1999-2001 Nicolas Pitre * * Generic IRQ handling for the SA11x0. - * - * 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/init.h> #include <linux/module.h> diff --git a/drivers/irqchip/irq-sirfsoc.c b/drivers/irqchip/irq-sirfsoc.c index e1336848affa..c86faaa35ca4 100644 --- a/drivers/irqchip/irq-sirfsoc.c +++ b/drivers/irqchip/irq-sirfsoc.c @@ -1,9 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * interrupt controller support for CSR SiRFprimaII * * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company. - * - * Licensed under GPLv2 or later. */ #include <linux/init.h> diff --git a/drivers/irqchip/irq-sni-exiu.c b/drivers/irqchip/irq-sni-exiu.c index 1927b2f36ff6..4e983bc6cf93 100644 --- a/drivers/irqchip/irq-sni-exiu.c +++ b/drivers/irqchip/irq-sni-exiu.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Driver for Socionext External Interrupt Unit (EXIU) * @@ -6,10 +7,6 @@ * Based on irq-tegra.c: * Copyright (C) 2011 Google, Inc. * Copyright (C) 2010,2013, NVIDIA Corporation - * - * 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/interrupt.h> diff --git a/drivers/irqchip/irq-st.c b/drivers/irqchip/irq-st.c index 5e0e250db0be..801551e46a7b 100644 --- a/drivers/irqchip/irq-st.c +++ b/drivers/irqchip/irq-st.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2014 STMicroelectronics – All Rights Reserved * * Author: Lee Jones <lee.jones@linaro.org> * * This is a re-write of Christophe Kerello's PMU driver. - * - * 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 <dt-bindings/interrupt-controller/irq-st.h> diff --git a/drivers/irqchip/irq-tango.c b/drivers/irqchip/irq-tango.c index ae28d8648679..34290f09b853 100644 --- a/drivers/irqchip/irq-tango.c +++ b/drivers/irqchip/irq-tango.c @@ -1,10 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2014 Mans Rullgard <mans@mansr.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. */ #include <linux/init.h> diff --git a/drivers/irqchip/irq-tb10x.c b/drivers/irqchip/irq-tb10x.c index 7e6708099a7b..9e456497c1c4 100644 --- a/drivers/irqchip/irq-tb10x.c +++ b/drivers/irqchip/irq-tb10x.c @@ -1,22 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Abilis Systems interrupt controller driver * * Copyright (C) Abilis Systems 2012 * * Author: Christian Ruppert <christian.ruppert@abilis.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. - * - * 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/interrupt.h> diff --git a/drivers/irqchip/irq-tegra.c b/drivers/irqchip/irq-tegra.c index 0abc0cd1c32e..e1f771c72fc4 100644 --- a/drivers/irqchip/irq-tegra.c +++ b/drivers/irqchip/irq-tegra.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Driver code for Tegra's Legacy Interrupt Controller * @@ -10,16 +11,6 @@ * Colin Cross <ccross@android.com> * * Copyright (C) 2010,2013, NVIDIA Corporation - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * 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/io.h> diff --git a/drivers/irqchip/irq-uniphier-aidet.c b/drivers/irqchip/irq-uniphier-aidet.c index 7ba7f253470e..ed7b4f47ff3f 100644 --- a/drivers/irqchip/irq-uniphier-aidet.c +++ b/drivers/irqchip/irq-uniphier-aidet.c @@ -1,17 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Driver for UniPhier AIDET (ARM Interrupt Detector) * * Copyright (C) 2017 Socionext Inc. * Author: Masahiro Yamada <yamada.masahiro@socionext.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/bitops.h> diff --git a/drivers/irqchip/irq-vf610-mscm-ir.c b/drivers/irqchip/irq-vf610-mscm-ir.c index 56b5e3cb9de2..2b9a8ba58e26 100644 --- a/drivers/irqchip/irq-vf610-mscm-ir.c +++ b/drivers/irqchip/irq-vf610-mscm-ir.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2014-2015 Toradex AG * Author: Stefan Agner <stefan@agner.ch> * - * 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. - * - * * IRQ chip driver for MSCM interrupt router available on Vybrid SoC's. * The interrupt router is between the CPU's interrupt controller and the * peripheral. The router allows to route the peripheral interrupts to diff --git a/drivers/irqchip/irq-vic.c b/drivers/irqchip/irq-vic.c index 74192f62dd67..f3f20a3cff50 100644 --- a/drivers/irqchip/irq-vic.c +++ b/drivers/irqchip/irq-vic.c @@ -1,22 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * linux/arch/arm/common/vic.c * * Copyright (C) 1999 - 2003 ARM Limited * Copyright (C) 2000 Deep Blue Solutions Ltd - * - * 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/export.h> diff --git a/drivers/irqchip/irq-vt8500.c b/drivers/irqchip/irq-vt8500.c index f9af0af21751..5bce936af5d9 100644 --- a/drivers/irqchip/irq-vt8500.c +++ b/drivers/irqchip/irq-vt8500.c @@ -1,22 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * arch/arm/mach-vt8500/irq.c * * Copyright (C) 2012 Tony Prisk <linux@prisktech.co.nz> * Copyright (C) 2010 Alexey Charkov <alchark@gmail.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. - * - * 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 */ /* diff --git a/drivers/irqchip/irq-zevio.c b/drivers/irqchip/irq-zevio.c index cb9d8ec37507..5a7efeb3892d 100644 --- a/drivers/irqchip/irq-zevio.c +++ b/drivers/irqchip/irq-zevio.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * linux/drivers/irqchip/irq-zevio.c * * Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au> - * - * 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/io.h> diff --git a/drivers/irqchip/qcom-irq-combiner.c b/drivers/irqchip/qcom-irq-combiner.c index 7f0c0be322e0..067337ab3f20 100644 --- a/drivers/irqchip/qcom-irq-combiner.c +++ b/drivers/irqchip/qcom-irq-combiner.c @@ -1,13 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2015-2018, 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 and - * only 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. */ /* |