diff options
Diffstat (limited to 'drivers/irqchip/irq-mtk-sysirq.c')
| -rw-r--r-- | drivers/irqchip/irq-mtk-sysirq.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/irqchip/irq-mtk-sysirq.c b/drivers/irqchip/irq-mtk-sysirq.c index 0b0d2c00a2df..eaf0a710e98a 100644 --- a/drivers/irqchip/irq-mtk-sysirq.c +++ b/drivers/irqchip/irq-mtk-sysirq.c @@ -23,8 +23,6 @@ #include "irqchip.h" -#define MT6577_SYS_INTPOL_NUM (224) - struct mtk_sysirq_chip_data { spinlock_t lock; void __iomem *intpol_base; @@ -124,7 +122,8 @@ static int __init mtk_sysirq_of_init(struct device_node *node, { struct irq_domain *domain, *domain_parent; struct mtk_sysirq_chip_data *chip_data; - int ret = 0; + int ret, size, intpol_num; + struct resource res; domain_parent = irq_find_host(parent); if (!domain_parent) { @@ -132,19 +131,24 @@ static int __init mtk_sysirq_of_init(struct device_node *node, return -EINVAL; } + ret = of_address_to_resource(node, 0, &res); + if (ret) + return ret; + chip_data = kzalloc(sizeof(*chip_data), GFP_KERNEL); if (!chip_data) return -ENOMEM; - chip_data->intpol_base = of_io_request_and_map(node, 0, "intpol"); - if (IS_ERR(chip_data->intpol_base)) { + size = resource_size(&res); + intpol_num = size * 8; + chip_data->intpol_base = ioremap(res.start, size); + if (!chip_data->intpol_base) { pr_err("mtk_sysirq: unable to map sysirq register\n"); ret = PTR_ERR(chip_data->intpol_base); goto out_free; } - domain = irq_domain_add_hierarchy(domain_parent, 0, - MT6577_SYS_INTPOL_NUM, node, + domain = irq_domain_add_hierarchy(domain_parent, 0, intpol_num, node, &sysirq_domain_ops, chip_data); if (!domain) { ret = -ENOMEM; |