diff options
27 files changed, 129 insertions, 80 deletions
diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig index 6de62a9..99b9a97 100644 --- a/drivers/irqchip/Kconfig +++ b/drivers/irqchip/Kconfig @@ -30,6 +30,7 @@ config ARM_GIC_V3_ITS config ARM_NVIC bool select IRQ_DOMAIN + select IRQ_DOMAIN_HIERARCHY select GENERIC_IRQ_CHIP config ARM_VIC diff --git a/drivers/irqchip/exynos-combiner.c b/drivers/irqchip/exynos-combiner.c index 5945223..a57a3a1 100644 --- a/drivers/irqchip/exynos-combiner.c +++ b/drivers/irqchip/exynos-combiner.c @@ -164,7 +164,7 @@ static int combiner_irq_domain_map(struct irq_domain *d, unsigned int irq, return 0; } -static struct irq_domain_ops combiner_irq_domain_ops = { +static const struct irq_domain_ops combiner_irq_domain_ops = { .xlate = combiner_irq_domain_xlate, .map = combiner_irq_domain_map, }; diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c index daccc8b..0d3b0fe 100644 --- a/drivers/irqchip/irq-armada-370-xp.c +++ b/drivers/irqchip/irq-armada-370-xp.c @@ -409,7 +409,7 @@ static struct notifier_block mpic_cascaded_cpu_notifier = { }; #endif /* CONFIG_SMP */ -static struct irq_domain_ops armada_370_xp_mpic_irq_ops = { +static const struct irq_domain_ops armada_370_xp_mpic_irq_ops = { .map = armada_370_xp_mpic_irq_map, .xlate = irq_domain_xlate_onecell, }; diff --git a/drivers/irqchip/irq-bcm2835.c b/drivers/irqchip/irq-bcm2835.c index 5916d6c..e68c3b6 100644 --- a/drivers/irqchip/irq-bcm2835.c +++ b/drivers/irqchip/irq-bcm2835.c @@ -135,7 +135,7 @@ static int armctrl_xlate(struct irq_domain *d, struct device_node *ctrlr, return 0; } -static struct irq_domain_ops armctrl_ops = { +static const struct irq_domain_ops armctrl_ops = { .xlate = armctrl_xlate }; diff --git a/drivers/irqchip/irq-keystone.c b/drivers/irqchip/irq-keystone.c index 78e8b3c..5dc6165 100644 --- a/drivers/irqchip/irq-keystone.c +++ b/drivers/irqchip/irq-keystone.c @@ -131,7 +131,7 @@ static int keystone_irq_map(struct irq_domain *h, unsigned int virq, return 0; } -static struct irq_domain_ops keystone_irq_ops = { +static const struct irq_domain_ops keystone_irq_ops = { .map = keystone_irq_map, .xlate = irq_domain_xlate_onecell, }; diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c index 57f09cb..44d2d10 100644 --- a/drivers/irqchip/irq-mips-gic.c +++ b/drivers/irqchip/irq-mips-gic.c @@ -739,7 +739,7 @@ static int gic_irq_domain_xlate(struct irq_domain *d, struct device_node *ctrlr, return 0; } -static struct irq_domain_ops gic_irq_domain_ops = { +static const struct irq_domain_ops gic_irq_domain_ops = { .map = gic_irq_domain_map, .xlate = gic_irq_domain_xlate, }; diff --git a/drivers/irqchip/irq-mtk-sysirq.c b/drivers/irqchip/irq-mtk-sysirq.c index eaf0a71..04de2d4 100644 --- a/drivers/irqchip/irq-mtk-sysirq.c +++ b/drivers/irqchip/irq-mtk-sysirq.c @@ -111,7 +111,7 @@ static int mtk_sysirq_domain_alloc(struct irq_domain *domain, unsigned int virq, return irq_domain_alloc_irqs_parent(domain, virq, nr_irqs, &gic_data); } -static struct irq_domain_ops sysirq_domain_ops = { +static const struct irq_domain_ops sysirq_domain_ops = { .xlate = mtk_sysirq_domain_xlate, .alloc = mtk_sysirq_domain_alloc, .free = irq_domain_free_irqs_common, diff --git a/drivers/irqchip/irq-mxs.c b/drivers/irqchip/irq-mxs.c index e4acf1e..04bf97b 100644 --- a/drivers/irqchip/irq-mxs.c +++ b/drivers/irqchip/irq-mxs.c @@ -90,7 +90,7 @@ static int icoll_irq_domain_map(struct irq_domain *d, unsigned int virq, return 0; } -static struct irq_domain_ops icoll_irq_domain_ops = { +static const struct irq_domain_ops icoll_irq_domain_ops = { .map = icoll_irq_domain_map, .xlate = irq_domain_xlate_onecell, }; diff --git a/drivers/irqchip/irq-nvic.c b/drivers/irqchip/irq-nvic.c index 4ff0805..5fac910 100644 --- a/drivers/irqchip/irq-nvic.c +++ b/drivers/irqchip/irq-nvic.c @@ -49,6 +49,31 @@ nvic_handle_irq(irq_hw_number_t hwirq, struct pt_regs *regs) handle_IRQ(irq, regs); } +static int nvic_irq_domain_alloc(struct irq_domain *domain, unsigned int virq, + unsigned int nr_irqs, void *arg) +{ + int i, ret; + irq_hw_number_t hwirq; + unsigned int type = IRQ_TYPE_NONE; + struct of_phandle_args *irq_data = arg; + + ret = irq_domain_xlate_onecell(domain, irq_data->np, irq_data->args, + irq_data->args_count, &hwirq, &type); + if (ret) + return ret; + + for (i = 0; i < nr_irqs; i++) + irq_map_generic_chip(domain, virq + i, hwirq + i); + + return 0; +} + +static const struct irq_domain_ops nvic_irq_domain_ops = { + .xlate = irq_domain_xlate_onecell, + .alloc = nvic_irq_domain_alloc, + .free = irq_domain_free_irqs_top, +}; + static int __init nvic_of_init(struct device_node *node, struct device_node *parent) { @@ -70,7 +95,8 @@ static int __init nvic_of_init(struct device_node *node, irqs = NVIC_MAX_IRQ; nvic_irq_domain = - irq_domain_add_linear(node, irqs, &irq_generic_chip_ops, NULL); + irq_domain_add_linear(node, irqs, &nvic_irq_domain_ops, NULL); + if (!nvic_irq_domain) { pr_warn("Failed to allocate irq domain\n"); return -ENOMEM; diff --git a/drivers/irqchip/irq-renesas-intc-irqpin.c b/drivers/irqchip/irq-renesas-intc-irqpin.c index 9a0767b..0670ab4 100644 --- a/drivers/irqchip/irq-renesas-intc-irqpin.c +++ b/drivers/irqchip/irq-renesas-intc-irqpin.c @@ -347,7 +347,7 @@ static int intc_irqpin_irq_domain_map(struct irq_domain *h, unsigned int virq, return 0; } -static struct irq_domain_ops intc_irqpin_irq_domain_ops = { +static const struct irq_domain_ops intc_irqpin_irq_domain_ops = { .map = intc_irqpin_irq_domain_map, .xlate = irq_domain_xlate_twocell, }; diff --git a/drivers/irqchip/irq-renesas-irqc.c b/drivers/irqchip/irq-renesas-irqc.c index cdf80b7..778bd07 100644 --- a/drivers/irqchip/irq-renesas-irqc.c +++ b/drivers/irqchip/irq-renesas-irqc.c @@ -29,7 +29,6 @@ #include <linux/err.h> #include <linux/slab.h> #include <linux/module.h> -#include <linux/platform_data/irq-renesas-irqc.h> #include <linux/pm_runtime.h> #define IRQC_IRQ_MAX 32 /* maximum 32 interrupts per driver instance */ @@ -62,7 +61,6 @@ struct irqc_priv { void __iomem *iomem; void __iomem *cpu_int_base; struct irqc_irq irq[IRQC_IRQ_MAX]; - struct renesas_irqc_config config; unsigned int number_of_irqs; struct platform_device *pdev; struct irq_chip irq_chip; @@ -168,14 +166,13 @@ static int irqc_irq_domain_map(struct irq_domain *h, unsigned int virq, return 0; } -static struct irq_domain_ops irqc_irq_domain_ops = { +static const struct irq_domain_ops irqc_irq_domain_ops = { .map = irqc_irq_domain_map, .xlate = irq_domain_xlate_twocell, }; static int irqc_probe(struct platform_device *pdev) { - struct renesas_irqc_config *pdata = pdev->dev.platform_data; struct irqc_priv *p; struct resource *io; struct resource *irq; @@ -191,10 +188,6 @@ static int irqc_probe(struct platform_device *pdev) goto err0; } - /* deal with driver instance configuration */ - if (pdata) - memcpy(&p->config, pdata, sizeof(*pdata)); - p->pdev = pdev; platform_set_drvdata(pdev, p); @@ -251,8 +244,7 @@ static int irqc_probe(struct platform_device *pdev) irq_chip->flags = IRQCHIP_MASK_ON_SUSPEND; p->irq_domain = irq_domain_add_simple(pdev->dev.of_node, - p->number_of_irqs, - p->config.irq_base, + p->number_of_irqs, 0, &irqc_irq_domain_ops, p); if (!p->irq_domain) { ret = -ENXIO; @@ -272,13 +264,6 @@ static int irqc_probe(struct platform_device *pdev) dev_info(&pdev->dev, "driving %d irqs\n", p->number_of_irqs); - /* warn in case of mismatch if irq base is specified */ - if (p->config.irq_base) { - if (p->config.irq_base != p->irq[0].domain_irq) - dev_warn(&pdev->dev, "irq base mismatch (%d/%d)\n", - p->config.irq_base, p->irq[0].domain_irq); - } - return 0; err3: while (--k >= 0) diff --git a/drivers/irqchip/irq-s3c24xx.c b/drivers/irqchip/irq-s3c24xx.c index c8d373f..e96717f 100644 --- a/drivers/irqchip/irq-s3c24xx.c +++ b/drivers/irqchip/irq-s3c24xx.c @@ -502,7 +502,7 @@ err: return -EINVAL; } -static struct irq_domain_ops s3c24xx_irq_ops = { +static const struct irq_domain_ops s3c24xx_irq_ops = { .map = s3c24xx_irq_map, .xlate = irq_domain_xlate_twocell, }; @@ -1228,7 +1228,7 @@ static int s3c24xx_irq_xlate_of(struct irq_domain *d, struct device_node *n, return 0; } -static struct irq_domain_ops s3c24xx_irq_ops_of = { +static const struct irq_domain_ops s3c24xx_irq_ops_of = { .map = s3c24xx_irq_map_of, .xlate = s3c24xx_irq_xlate_of, }; diff --git a/drivers/irqchip/irq-sun4i.c b/drivers/irqchip/irq-sun4i.c index 64155b6..83d6aa6 100644 --- a/drivers/irqchip/irq-sun4i.c +++ b/drivers/irqchip/irq-sun4i.c @@ -89,7 +89,7 @@ static int sun4i_irq_map(struct irq_domain *d, unsigned int virq, return 0; } -static struct irq_domain_ops sun4i_irq_ops = { +static const struct irq_domain_ops sun4i_irq_ops = { .map = sun4i_irq_map, .xlate = irq_domain_xlate_onecell, }; diff --git a/drivers/irqchip/irq-versatile-fpga.c b/drivers/irqchip/irq-versatile-fpga.c index 1ab4517..888111b 100644 --- a/drivers/irqchip/irq-versatile-fpga.c +++ b/drivers/irqchip/irq-versatile-fpga.c @@ -132,7 +132,7 @@ static int fpga_irqdomain_map(struct irq_domain *d, unsigned int irq, return 0; } -static struct irq_domain_ops fpga_irqdomain_ops = { +static const struct irq_domain_ops fpga_irqdomain_ops = { .map = fpga_irqdomain_map, .xlate = irq_domain_xlate_onetwocell, }; diff --git a/drivers/irqchip/irq-vf610-mscm-ir.c b/drivers/irqchip/irq-vf610-mscm-ir.c index 9521057..f5c01cb 100644 --- a/drivers/irqchip/irq-vf610-mscm-ir.c +++ b/drivers/irqchip/irq-vf610-mscm-ir.c @@ -47,6 +47,7 @@ struct vf610_mscm_ir_chip_data { void __iomem *mscm_ir_base; u16 cpu_mask; u16 saved_irsprc[MSCM_IRSPRC_NUM]; + bool is_nvic; }; static struct vf610_mscm_ir_chip_data *mscm_ir_data; @@ -101,7 +102,7 @@ static void vf610_mscm_ir_enable(struct irq_data *data) writew_relaxed(chip_data->cpu_mask, chip_data->mscm_ir_base + MSCM_IRSPRC(hwirq)); - irq_chip_unmask_parent(data); + irq_chip_enable_parent(data); } static void vf610_mscm_ir_disable(struct irq_data *data) @@ -111,7 +112,7 @@ static void vf610_mscm_ir_disable(struct irq_data *data) writew_relaxed(0x0, chip_data->mscm_ir_base + MSCM_IRSPRC(hwirq)); - irq_chip_mask_parent(data); + irq_chip_disable_parent(data); } static struct irq_chip vf610_mscm_ir_irq_chip = { @@ -143,10 +144,17 @@ static int vf610_mscm_ir_domain_alloc(struct irq_domain *domain, unsigned int vi domain->host_data); gic_data.np = domain->parent->of_node; - gic_data.args_count = 3; - gic_data.args[0] = GIC_SPI; - gic_data.args[1] = irq_data->args[0]; - gic_data.args[2] = irq_data->args[1]; + + if (mscm_ir_data->is_nvic) { + gic_data.args_count = 1; + gic_data.args[0] = irq_data->args[0]; + } else { + gic_data.args_count = 3; + gic_data.args[0] = GIC_SPI; + gic_data.args[1] = irq_data->args[0]; + gic_data.args[2] = irq_data->args[1]; + } + return irq_domain_alloc_irqs_parent(domain, virq, nr_irqs, &gic_data); } @@ -174,10 +182,9 @@ static int __init vf610_mscm_ir_of_init(struct device_node *node, return -ENOMEM; mscm_ir_data->mscm_ir_base = of_io_request_and_map(node, 0, "mscm-ir"); - - if (!mscm_ir_data->mscm_ir_base) { + if (IS_ERR(mscm_ir_data->mscm_ir_base)) { pr_err("vf610_mscm_ir: unable to map mscm register\n"); - ret = -ENOMEM; + ret = PTR_ERR(mscm_ir_data->mscm_ir_base); goto out_free; } @@ -199,6 +206,9 @@ static int __init vf610_mscm_ir_of_init(struct device_node *node, goto out_unmap; } + if (of_device_is_compatible(domain->parent->of_node, "arm,armv7m-nvic")) + mscm_ir_data->is_nvic = true; + cpu_pm_register_notifier(&mscm_ir_notifier_block); return 0; diff --git a/drivers/irqchip/irq-vic.c b/drivers/irqchip/irq-vic.c index 54089de..d4ce331 100644 --- a/drivers/irqchip/irq-vic.c +++ b/drivers/irqchip/irq-vic.c @@ -256,7 +256,7 @@ static void __exception_irq_entry vic_handle_irq(struct pt_regs *regs) } while (handled); } -static struct irq_domain_ops vic_irqdomain_ops = { +static const struct irq_domain_ops vic_irqdomain_ops = { .map = vic_irqdomain_map, .xlate = irq_domain_xlate_onetwocell, }; diff --git a/drivers/irqchip/irq-vt8500.c b/drivers/irqchip/irq-vt8500.c index b7af816..0b29700 100644 --- a/drivers/irqchip/irq-vt8500.c +++ b/drivers/irqchip/irq-vt8500.c @@ -173,7 +173,7 @@ static int vt8500_irq_map(struct irq_domain *h, unsigned int virq, return 0; } -static struct irq_domain_ops vt8500_irq_domain_ops = { +static const struct irq_domain_ops vt8500_irq_domain_ops = { .map = vt8500_irq_map, .xlate = irq_domain_xlate_onecell, }; diff --git a/include/linux/irq.h b/include/linux/irq.h index 48cb7d1..de3213d 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -462,6 +462,8 @@ extern void handle_nested_irq(unsigned int irq); extern int irq_chip_compose_msi_msg(struct irq_data *data, struct msi_msg *msg); #ifdef CONFIG_IRQ_DOMAIN_HIERARCHY +extern void irq_chip_enable_parent(struct irq_data *data); +extern void irq_chip_disable_parent(struct irq_data *data); extern void irq_chip_ack_parent(struct irq_data *data); extern int irq_chip_retrigger_hierarchy(struct irq_data *data); extern void irq_chip_mask_parent(struct irq_data *data); diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h index 676d730..744ac0e 100644 --- a/include/linux/irqdomain.h +++ b/include/linux/irqdomain.h @@ -258,6 +258,10 @@ int irq_domain_xlate_onetwocell(struct irq_domain *d, struct device_node *ctrlr, /* V2 interfaces to support hierarchy IRQ domains. */ extern struct irq_data *irq_domain_get_irq_data(struct irq_domain *domain, unsigned int virq); +extern void irq_domain_set_info(struct irq_domain *domain, unsigned int virq, + irq_hw_number_t hwirq, struct irq_chip *chip, + void *chip_data, irq_flow_handler_t handler, + void *handler_data, const char *handler_name); #ifdef CONFIG_IRQ_DOMAIN_HIERARCHY extern struct irq_domain *irq_domain_add_hierarchy(struct irq_domain *parent, unsigned int flags, unsigned int size, @@ -281,10 +285,6 @@ extern int irq_domain_set_hwirq_and_chip(struct irq_domain *domain, irq_hw_number_t hwirq, struct irq_chip *chip, void *chip_data); -extern void irq_domain_set_info(struct irq_domain *domain, unsigned int virq, - irq_hw_number_t hwirq, struct irq_chip *chip, - void *chip_data, irq_flow_handler_t handler, - void *handler_data, const char *handler_name); extern void irq_domain_reset_irq_data(struct irq_data *irq_data); extern void irq_domain_free_irqs_common(struct irq_domain *domain, unsigned int virq, diff --git a/include/linux/platform_data/irq-renesas-irqc.h b/include/linux/platform_data/irq-renesas-irqc.h deleted file mode 100644 index 3ae17b3..0000000 --- a/include/linux/platform_data/irq-renesas-irqc.h +++ /dev/null @@ -1,27 +0,0 @@ -/* - * Renesas IRQC Driver - * - * Copyright (C) 2013 Magnus Damm - * - * 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 - * - * 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 - */ - -#ifndef __IRQ_RENESAS_IRQC_H__ -#define __IRQ_RENESAS_IRQC_H__ - -struct renesas_irqc_config { - unsigned int irq_base; -}; - -#endif /* __IRQ_RENESAS_IRQC_H__ */ diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index 55016b2..330fc79 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -876,6 +876,34 @@ void irq_cpu_offline(void) #ifdef CONFIG_IRQ_DOMAIN_HIERARCHY /** + * irq_chip_enable_parent - Enable the parent interrupt (defaults to unmask if + * NULL) + * @data: Pointer to interrupt specific data + */ +void irq_chip_enable_parent(struct irq_data *data) +{ + data = data->parent_data; + if (data->chip->irq_enable) + data->chip->irq_enable(data); + else + data->chip->irq_unmask(data); +} + +/** + * irq_chip_disable_parent - Disable the parent interrupt (defaults to mask if + * NULL) + * @data: Pointer to interrupt specific data + */ +void irq_chip_disable_parent(struct irq_data *data) +{ + data = data->parent_data; + if (data->chip->irq_disable) + data->chip->irq_disable(data); + else + data->chip->irq_mask(data); +} + +/** * irq_chip_ack_parent - Acknowledge the parent interrupt * @data: Pointer to interrupt specific data */ diff --git a/kernel/irq/devres.c b/kernel/irq/devres.c index d5d0f73..74d90a7 100644 --- a/kernel/irq/devres.c +++ b/kernel/irq/devres.c @@ -104,7 +104,7 @@ int devm_request_any_context_irq(struct device *dev, unsigned int irq, return -ENOMEM; rc = request_any_context_irq(irq, handler, irqflags, devname, dev_id); - if (rc) { + if (rc < 0) { devres_free(dr); return rc; } @@ -113,7 +113,7 @@ int devm_request_any_context_irq(struct device *dev, unsigned int irq, dr->dev_id = dev_id; devres_add(dev, dr); - return 0; + return rc; } EXPORT_SYMBOL(devm_request_any_context_irq); diff --git a/kernel/irq/generic-chip.c b/kernel/irq/generic-chip.c index 61024e8..15b370d 100644 --- a/kernel/irq/generic-chip.c +++ b/kernel/irq/generic-chip.c @@ -360,7 +360,7 @@ static struct lock_class_key irq_nested_lock_class; int irq_map_generic_chip(struct irq_domain *d, unsigned int virq, irq_hw_number_t hw_irq) { - struct irq_data *data = irq_get_irq_data(virq); + struct irq_data *data = irq_domain_get_irq_data(d, virq); struct irq_domain_chip_generic *dgc = d->gc; struct irq_chip_generic *gc; struct irq_chip_type *ct; @@ -405,8 +405,7 @@ int irq_map_generic_chip(struct irq_domain *d, unsigned int virq, else data->mask = 1 << idx; - irq_set_chip_and_handler(virq, chip, ct->handler); - irq_set_chip_data(virq, gc); + irq_domain_set_info(d, virq, hw_irq, chip, gc, ct->handler, NULL, NULL); irq_modify_status(virq, dgc->irq_flags_to_clear, dgc->irq_flags_to_set); return 0; } diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c index 99793b9..73a76e2 100644 --- a/kernel/irq/irqdesc.c +++ b/kernel/irq/irqdesc.c @@ -619,7 +619,7 @@ unsigned int kstat_irqs(unsigned int irq) { struct irq_desc *desc = irq_to_desc(irq); int cpu; - int sum = 0; + unsigned int sum = 0; if (!desc || !desc->kstat_irqs) return 0; @@ -639,7 +639,7 @@ unsigned int kstat_irqs(unsigned int irq) */ unsigned int kstat_irqs_usr(unsigned int irq) { - int sum; + unsigned int sum; irq_lock_sparse(); sum = kstat_irqs(irq); diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c index 7fac311..41bf6dc 100644 --- a/kernel/irq/irqdomain.c +++ b/kernel/irq/irqdomain.c @@ -1232,6 +1232,27 @@ struct irq_data *irq_domain_get_irq_data(struct irq_domain *domain, return (irq_data && irq_data->domain == domain) ? irq_data : NULL; } +/** + * irq_domain_set_info - Set the complete data for a @virq in @domain + * @domain: Interrupt domain to match + * @virq: IRQ number + * @hwirq: The hardware interrupt number + * @chip: The associated interrupt chip + * @chip_data: The associated interrupt chip data + * @handler: The interrupt flow handler + * @handler_data: The interrupt flow handler data + * @handler_name: The interrupt handler name + */ +void irq_domain_set_info(struct irq_domain *domain, unsigned int virq, + irq_hw_number_t hwirq, struct irq_chip *chip, + void *chip_data, irq_flow_handler_t handler, + void *handler_data, const char *handler_name) +{ + irq_set_chip_and_handler_name(virq, chip, handler, handler_name); + irq_set_chip_data(virq, chip_data); + irq_set_handler_data(virq, handler_data); +} + static void irq_domain_check_hierarchy(struct irq_domain *domain) { } diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c index 474de5c..7bf1f1b 100644 --- a/kernel/irq/msi.c +++ b/kernel/irq/msi.c @@ -124,7 +124,7 @@ static void msi_domain_free(struct irq_domain *domain, unsigned int virq, irq_domain_free_irqs_top(domain, virq, nr_irqs); } -static struct irq_domain_ops msi_domain_ops = { +static const struct irq_domain_ops msi_domain_ops = { .alloc = msi_domain_alloc, .free = msi_domain_free, .activate = msi_domain_activate, diff --git a/kernel/irq/pm.c b/kernel/irq/pm.c index 5204a6d..d22786a 100644 --- a/kernel/irq/pm.c +++ b/kernel/irq/pm.c @@ -123,6 +123,8 @@ void suspend_device_irqs(void) unsigned long flags; bool sync; + if (irq_settings_is_nested_thread(desc)) + continue; raw_spin_lock_irqsave(&desc->lock, flags); sync = suspend_device_irq(desc, irq); raw_spin_unlock_irqrestore(&desc->lock, flags); @@ -163,6 +165,8 @@ static void resume_irqs(bool want_early) if (!is_early && want_early) continue; + if (irq_settings_is_nested_thread(desc)) + continue; raw_spin_lock_irqsave(&desc->lock, flags); resume_irq(desc, irq); |
