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Merge branch 'irq-fix' of git://www.modarm9.com/gitsrc/pub/people/ukleinek/linux-2.6.git
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commit
d9cadb0d2f
@ -62,7 +62,7 @@ static struct irq_chip ns9xxx_chip = {
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#if 0
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#define handle_irq handle_level_irq
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#else
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void handle_prio_irq(unsigned int irq, struct irq_desc *desc)
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static void handle_prio_irq(unsigned int irq, struct irq_desc *desc)
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{
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unsigned int cpu = smp_processor_id();
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struct irqaction *action;
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@ -70,27 +70,35 @@ void handle_prio_irq(unsigned int irq, struct irq_desc *desc)
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spin_lock(&desc->lock);
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if (unlikely(desc->status & IRQ_INPROGRESS))
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goto out_unlock;
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BUG_ON(desc->status & IRQ_INPROGRESS);
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desc->status &= ~(IRQ_REPLAY | IRQ_WAITING);
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kstat_cpu(cpu).irqs[irq]++;
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action = desc->action;
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if (unlikely(!action || (desc->status & IRQ_DISABLED)))
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goto out_unlock;
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goto out_mask;
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desc->status |= IRQ_INPROGRESS;
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spin_unlock(&desc->lock);
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action_ret = handle_IRQ_event(irq, action);
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/* XXX: There is no direct way to access noirqdebug, so check
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* unconditionally for spurious irqs...
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* Maybe this function should go to kernel/irq/chip.c? */
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note_interrupt(irq, desc, action_ret);
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spin_lock(&desc->lock);
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desc->status &= ~IRQ_INPROGRESS;
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if (!(desc->status & IRQ_DISABLED) && desc->chip->ack)
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desc->chip->ack(irq);
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out_unlock:
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if (desc->status & IRQ_DISABLED)
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out_mask:
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desc->chip->mask(irq);
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/* ack unconditionally to unmask lower prio irqs */
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desc->chip->ack(irq);
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spin_unlock(&desc->lock);
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}
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#define handle_irq handle_prio_irq
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