diff options
Diffstat (limited to 'drivers/irqchip/exynos-combiner.c')
-rw-r--r-- | drivers/irqchip/exynos-combiner.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/irqchip/exynos-combiner.c b/drivers/irqchip/exynos-combiner.c index 0b85d9a3fbff..552aa04ff063 100644 --- a/drivers/irqchip/exynos-combiner.c +++ b/drivers/irqchip/exynos-combiner.c @@ -66,8 +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); @@ -80,12 +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); @@ -179,10 +177,8 @@ 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_ops, combiner_data); |