Getting the parent irq number thru irq_find_mapping will fail for non-legacy
irq_domains, as the mapping of the parent irq won't have been created.
As irq_create_mapping will just output an already mapped irq number if its
already mapped, this does also not influence the legacy mappings.
Signed-off-by: Heiko Stuebner <heiko@xxxxxxxxx>
---
drivers/irqchip/irq-s3c24xx.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/irqchip/irq-s3c24xx.c b/drivers/irqchip/irq-s3c24xx.c
index a565eb8..1eba289 100644
--- a/drivers/irqchip/irq-s3c24xx.c
+++ b/drivers/irqchip/irq-s3c24xx.c
@@ -429,7 +429,7 @@ static int s3c24xx_irq_map(struct irq_domain *h, unsigned int virq,
parent_irq_data->sub_bits |= (1UL << hw);
/* attach the demuxer to the parent irq */
- irqno = irq_find_mapping(parent_intc->domain,
+ irqno = irq_create_mapping(parent_intc->domain,
irq_data->parent_irq);
if (!irqno) {
pr_err("irq-s3c24xx: could not find mapping for parent irq %lu\n",
--
1.7.2.3
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