diff options
Diffstat (limited to 'drivers/irqchip/irq-aspeed-i2c-ic.c')
| -rw-r--r-- | drivers/irqchip/irq-aspeed-i2c-ic.c | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/drivers/irqchip/irq-aspeed-i2c-ic.c b/drivers/irqchip/irq-aspeed-i2c-ic.c index f20200af0992..87c1feb999ff 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> @@ -37,14 +34,12 @@ static void aspeed_i2c_ic_irq_handler(struct irq_desc *desc) struct aspeed_i2c_ic *i2c_ic = irq_desc_get_handler_data(desc); struct irq_chip *chip = irq_desc_get_chip(desc); unsigned long bit, status; - unsigned int bus_irq; chained_irq_enter(chip, desc); status = readl(i2c_ic->base); - for_each_set_bit(bit, &status, ASPEED_I2C_IC_NUM_BUS) { - bus_irq = irq_find_mapping(i2c_ic->irq_domain, bit); - generic_handle_irq(bus_irq); - } + for_each_set_bit(bit, &status, ASPEED_I2C_IC_NUM_BUS) + generic_handle_domain_irq(i2c_ic->irq_domain, bit); + chained_irq_exit(chip, desc); } @@ -82,12 +77,12 @@ static int __init aspeed_i2c_ic_of_init(struct device_node *node, } i2c_ic->parent_irq = irq_of_parse_and_map(node, 0); - if (i2c_ic->parent_irq < 0) { - ret = i2c_ic->parent_irq; + if (!i2c_ic->parent_irq) { + ret = -EINVAL; goto err_iounmap; } - i2c_ic->irq_domain = irq_domain_add_linear(node, ASPEED_I2C_IC_NUM_BUS, + i2c_ic->irq_domain = irq_domain_create_linear(of_fwnode_handle(node), ASPEED_I2C_IC_NUM_BUS, &aspeed_i2c_ic_irq_domain_ops, NULL); if (!i2c_ic->irq_domain) { |