diff options
Diffstat (limited to 'kernel/irq/chip.c')
| -rw-r--r-- | kernel/irq/chip.c | 15 |
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); |