Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

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:

TypeParameterName
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)