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Diffstat (limited to 'kernel/irq/chip.c')
-rw-r--r--kernel/irq/chip.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index d663338cb4a..5203a599d21 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -111,9 +111,9 @@ int set_irq_chip(unsigned int irq, struct irq_chip *chip)
EXPORT_SYMBOL(set_irq_chip);
/**
- * set_irq_type - set the irq type for an irq
+ * set_irq_type - set the irq trigger type for an irq
* @irq: irq number
- * @type: interrupt type - see include/linux/interrupt.h
+ * @type: IRQ_TYPE_{LEVEL,EDGE}_* value - see include/linux/irq.h
*/
int set_irq_type(unsigned int irq, unsigned int type)
{
@@ -127,11 +127,12 @@ int set_irq_type(unsigned int irq, unsigned int type)
}
desc = irq_desc + irq;
- if (desc->chip->set_type) {
- spin_lock_irqsave(&desc->lock, flags);
- ret = desc->chip->set_type(irq, type);
- spin_unlock_irqrestore(&desc->lock, flags);
- }
+ if (type == IRQ_TYPE_NONE)
+ return 0;
+
+ spin_lock_irqsave(&desc->lock, flags);
+ ret = __irq_set_trigger(desc, irq, flags);
+ spin_unlock_irqrestore(&desc->lock, flags);
return ret;
}
EXPORT_SYMBOL(set_irq_type);