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path: root/drivers/irqchip/exynos-combiner.c
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Diffstat (limited to 'drivers/irqchip/exynos-combiner.c')
-rw-r--r--drivers/irqchip/exynos-combiner.c14
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);