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Viewing changes to kernel/irq/resend.c

  • Committer: Bazaar Package Importer
  • Author(s): Paolo Pisati
  • Date: 2011-06-29 15:23:51 UTC
  • mfrom: (26.1.1 natty-proposed)
  • Revision ID: james.westby@ubuntu.com-20110629152351-xs96tm303d95rpbk
Tags: 3.0.0-1200.2
* Rebased against 3.0.0-6.7
* BSP from TI based on 3.0.0

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Lines of Context:
kernel/irq/resend.c
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 */
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void check_irq_resend(struct irq_desc *desc, unsigned int irq)
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{
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        unsigned int status = desc->status;
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        /*
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         * Make sure the interrupt is enabled, before resending it:
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         */
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        desc->irq_data.chip->irq_enable(&desc->irq_data);
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        /*
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         * We do not resend level type interrupts. Level type
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         * interrupts are resent by hardware when they are still
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         * active.
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         */
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        if ((status & (IRQ_LEVEL | IRQ_PENDING | IRQ_REPLAY)) == IRQ_PENDING) {
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                desc->status = (status & ~IRQ_PENDING) | IRQ_REPLAY;
 
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        if (irq_settings_is_level(desc))
 
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                return;
 
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        if (desc->istate & IRQS_REPLAY)
 
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                return;
 
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        if (desc->istate & IRQS_PENDING) {
 
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                desc->istate &= ~IRQS_PENDING;
 
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                desc->istate |= IRQS_REPLAY;
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                if (!desc->irq_data.chip->irq_retrigger ||
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                    !desc->irq_data.chip->irq_retrigger(&desc->irq_data)) {