diff options
Diffstat (limited to 'drivers/irqchip/exynos-combiner.c')
| -rw-r--r-- | drivers/irqchip/exynos-combiner.c | 35 |
1 files changed, 17 insertions, 18 deletions
diff --git a/drivers/irqchip/exynos-combiner.c b/drivers/irqchip/exynos-combiner.c index b78a169c9c83..495848442b35 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> @@ -69,8 +66,9 @@ static void combiner_handle_cascade_irq(struct irq_desc *desc) { struct combiner_chip_data *chip_data = irq_desc_get_handler_data(desc); struct irq_chip *chip = irq_desc_get_chip(desc); - unsigned int cascade_irq, combiner_irq; + unsigned int combiner_irq; unsigned long status; + int ret; chained_irq_enter(chip, desc); @@ -83,12 +81,9 @@ static void combiner_handle_cascade_irq(struct irq_desc *desc) goto out; combiner_irq = chip_data->hwirq_offset + __ffs(status); - cascade_irq = irq_find_mapping(combiner_irq_domain, combiner_irq); - - if (unlikely(!cascade_irq)) + ret = generic_handle_domain_irq(combiner_irq_domain, combiner_irq); + if (unlikely(ret)) handle_bad_irq(desc); - else - generic_handle_irq(cascade_irq); out: chained_irq_exit(chip, desc); @@ -182,12 +177,10 @@ static void __init combiner_init(void __iomem *combiner_base, nr_irq = max_nr * IRQ_IN_COMBINER; combiner_data = kcalloc(max_nr, sizeof (*combiner_data), GFP_KERNEL); - if (!combiner_data) { - pr_warn("%s: could not allocate combiner data\n", __func__); + if (!combiner_data) return; - } - combiner_irq_domain = irq_domain_add_linear(np, nr_irq, + combiner_irq_domain = irq_domain_create_linear(of_fwnode_handle(np), nr_irq, &combiner_irq_domain_ops, combiner_data); if (WARN_ON(!combiner_irq_domain)) { pr_warn("%s: irq domain init failed\n", __func__); @@ -207,12 +200,13 @@ static void __init combiner_init(void __iomem *combiner_base, /** * combiner_suspend - save interrupt combiner state before suspend + * @data: syscore context * * Save the interrupt enable set register for all combiner groups since * the state is lost when the system enters into a sleep state. * */ -static int combiner_suspend(void) +static int combiner_suspend(void *data) { int i; @@ -225,12 +219,13 @@ static int combiner_suspend(void) /** * combiner_resume - restore interrupt combiner state after resume + * @data: syscore context * * Restore the interrupt enable set register for all combiner groups since * the state is lost when the system enters into a sleep state on suspend. * */ -static void combiner_resume(void) +static void combiner_resume(void *data) { int i; @@ -247,11 +242,15 @@ static void combiner_resume(void) #define combiner_resume NULL #endif -static struct syscore_ops combiner_syscore_ops = { +static const struct syscore_ops combiner_syscore_ops = { .suspend = combiner_suspend, .resume = combiner_resume, }; +static struct syscore combiner_syscore = { + .ops = &combiner_syscore_ops, +}; + static int __init combiner_of_init(struct device_node *np, struct device_node *parent) { @@ -271,7 +270,7 @@ static int __init combiner_of_init(struct device_node *np, combiner_init(combiner_base, np); - register_syscore_ops(&combiner_syscore_ops); + register_syscore(&combiner_syscore); return 0; } |