Function report |
Source Code:kernel\irq\chip.c |
Create Date:2022-07-28 10:11:24 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Name:handle_untracked_irq - Simple and software-decoded IRQs.*@desc: the interrupt description structure for this irq* Untracked interrupts are sent from a demultiplexing interrupt* handler when the demultiplexer does not know which device it its
Proto:void handle_untracked_irq(struct irq_desc *desc)
Type:void
Parameter:
Type | Parameter | Name |
---|---|---|
struct irq_desc * | desc |
575 | flags = 0 |
577 | raw_spin_lock( & lock) |
579 | If Not irq_may_run(desc) Then Go to out_unlock |
582 | istate &= ~(IRQS_REPLAY | IRQS_WAITING) |
584 | If Value for the false possibility is greater at compile time(! IRQ action list || irqd_irq_disabled( & irq_data)) Then |
585 | istate |= IRQS_PENDING |
586 | Go to out_unlock |
589 | istate &= ~IRQS_PENDING |
590 | irqd_set( & irq_data, IRQD_IRQ_INPROGRESS) |
591 | raw_spin_unlock( & lock) |
593 | __handle_irq_event_percpu(desc, & flags) |
595 | raw_spin_lock( & lock) |
596 | irqd_clear( & irq_data, IRQD_IRQ_INPROGRESS) |
598 | out_unlock : |
599 | raw_spin_unlock( & lock) |
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