forked from luck/tmp_suning_uos_patched
genirq: Use handle_irq_event() in handle_edge_irq()
It's safe to drop the IRQ_INPROGRESS flag between action chain walks as we are protected by desc->lock. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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@ -583,14 +583,8 @@ handle_edge_irq(unsigned int irq, struct irq_desc *desc)
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/* Start handling the irq */
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desc->irq_data.chip->irq_ack(&desc->irq_data);
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/* Mark the IRQ currently in progress.*/
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desc->status |= IRQ_INPROGRESS;
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do {
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struct irqaction *action = desc->action;
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irqreturn_t action_ret;
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if (unlikely(!action)) {
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if (unlikely(!desc->action)) {
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mask_irq(desc);
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goto out_unlock;
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}
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@ -606,16 +600,10 @@ handle_edge_irq(unsigned int irq, struct irq_desc *desc)
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unmask_irq(desc);
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}
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desc->status &= ~IRQ_PENDING;
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raw_spin_unlock(&desc->lock);
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action_ret = handle_IRQ_event(irq, action);
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if (!noirqdebug)
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note_interrupt(irq, desc, action_ret);
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raw_spin_lock(&desc->lock);
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handle_irq_event(desc);
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} while ((desc->status & (IRQ_PENDING | IRQ_DISABLED)) == IRQ_PENDING);
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desc->status &= ~IRQ_INPROGRESS;
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out_unlock:
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raw_spin_unlock(&desc->lock);
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}
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