Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\irq\chip.c Create Date:2022-07-28 10:11:23
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:handle_simple_irq - Simple and software-decoded IRQs.*@desc: the interrupt description structure for this irq* Simple interrupts are either sent from a demultiplexing interrupt* handler or come from hardware, where no interrupt hardware control

Proto:void handle_simple_irq(struct irq_desc *desc)

Type:void

Parameter:

TypeParameterName
struct irq_desc *desc
540  raw_spin_lock( & lock)
542  If Not irq_may_run(desc) Then Go to out_unlock
545  istate &= ~(IRQS_REPLAY | IRQS_WAITING)
547  If Value for the false possibility is greater at compile time(! IRQ action list || irqd_irq_disabled( & irq_data)) Then
548  istate |= IRQS_PENDING
549  Go to out_unlock
552  kstat_incr_irqs_this_cpu(desc)
553  handle_irq_event(desc)
555  out_unlock :
556  raw_spin_unlock( & lock)
Caller
NameDescribe
irq_sim_handle_irq