diff options
Diffstat (limited to 'drivers/irqchip/irq-mtk-sysirq.c')
| -rw-r--r-- | drivers/irqchip/irq-mtk-sysirq.c | 23 |
1 files changed, 8 insertions, 15 deletions
diff --git a/drivers/irqchip/irq-mtk-sysirq.c b/drivers/irqchip/irq-mtk-sysirq.c index 90aaf190157f..6895e7096b27 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> @@ -23,7 +15,7 @@ #include <linux/spinlock.h> struct mtk_sysirq_chip_data { - spinlock_t lock; + raw_spinlock_t lock; u32 nr_intpol_bases; void __iomem **intpol_bases; u32 *intpol_words; @@ -45,7 +37,7 @@ static int mtk_sysirq_set_type(struct irq_data *data, unsigned int type) reg_index = chip_data->which_word[hwirq]; offset = hwirq & 0x1f; - spin_lock_irqsave(&chip_data->lock, flags); + raw_spin_lock_irqsave(&chip_data->lock, flags); value = readl_relaxed(base + reg_index * 4); if (type == IRQ_TYPE_LEVEL_LOW || type == IRQ_TYPE_EDGE_FALLING) { if (type == IRQ_TYPE_LEVEL_LOW) @@ -61,7 +53,7 @@ static int mtk_sysirq_set_type(struct irq_data *data, unsigned int type) data = data->parent_data; ret = data->chip->irq_set_type(data, type); - spin_unlock_irqrestore(&chip_data->lock, flags); + raw_spin_unlock_irqrestore(&chip_data->lock, flags); return ret; } @@ -73,6 +65,7 @@ static struct irq_chip mtk_sysirq_chip = { .irq_set_type = mtk_sysirq_set_type, .irq_retrigger = irq_chip_retrigger_hierarchy, .irq_set_affinity = irq_chip_set_affinity_parent, + .flags = IRQCHIP_SKIP_SET_WAKE, }; static int mtk_sysirq_domain_translate(struct irq_domain *d, @@ -214,13 +207,13 @@ static int __init mtk_sysirq_of_init(struct device_node *node, chip_data->which_word[i] = word; } - domain = irq_domain_add_hierarchy(domain_parent, 0, intpol_num, node, - &sysirq_domain_ops, chip_data); + domain = irq_domain_create_hierarchy(domain_parent, 0, intpol_num, of_fwnode_handle(node), + &sysirq_domain_ops, chip_data); if (!domain) { ret = -ENOMEM; goto out_free_which_word; } - spin_lock_init(&chip_data->lock); + raw_spin_lock_init(&chip_data->lock); return 0; |