Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\irq\chip.c Create Date:2022-07-28 10:11:28
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:handle_fasteoi_irq - irq handler for transparent controllers*@desc: the interrupt description structure for this irq* Only a single callback will be issued to the chip: an ->eoi()* call when the interrupt has been serviced

Proto:void handle_fasteoi_irq(struct irq_desc *desc)

Type:void

Parameter:

TypeParameterName
struct irq_desc *desc
701  chip = chip
703  raw_spin_lock( & lock)
705  If Not irq_may_run(desc) Then Go to out
708  istate &= ~(IRQS_REPLAY | IRQS_WAITING)
714  If Value for the false possibility is greater at compile time(! IRQ action list || irqd_irq_disabled( & irq_data)) Then
715  istate |= IRQS_PENDING
716  mask_irq(desc)
717  Go to out
720  kstat_incr_irqs_this_cpu(desc)
721  If istate & IRQS_ONESHOT Then mask_irq(desc)
724  preflow_handler(desc)
725  handle_irq_event(desc)
727  cond_unmask_eoi_irq(desc, chip)
729  raw_spin_unlock( & lock)
730  Return
731  out :
732  If Not (flags & IRQCHIP_EOI_IF_HANDLED) Then irq_eoi( & irq_data)
734  raw_spin_unlock( & lock)