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-rw-r--r--kernel/irq/manage.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index ef0bc02..eaedeb7 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -1117,6 +1117,13 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)
new->irq = irq;
/*
+ * If the trigger type is not specified by the caller,
+ * then use the default for this interrupt.
+ */
+ if (!(new->flags & IRQF_TRIGGER_MASK))
+ new->flags |= irqd_get_trigger_type(&desc->irq_data);
+
+ /*
* Check whether the interrupt nests into another interrupt
* thread.
*/
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