---
name: "irq_chip_retrigger_hierarchy"
section: "9"
platform: "linux"
package: "linux-manual-4.9"
version: "4.9.228-1"
release: "Debian 9 (Stretch)"
platforms: ["linux"]
url: "https://new.carta.tech/irq_chip_retrigger_hierarchy"
---

# irq\_chip\_retrigger\_hierarchy(9)

Retrigger an interrupt in hardware

## NAME

irq\_chip\_retrigger\_hierarchy - Retrigger an interrupt in hardware

## SYNOPSIS

**int irq\_chip\_retrigger\_hierarchy(struct irq\_data \*** *data***);**

## ARGUMENTS

*data*

Pointer to interrupt specific data

## DESCRIPTION

Iterate through the domain hierarchy of the interrupt and check whether a hw retrigger function exists. If yes, invoke it.

## AUTHORS

**Thomas Gleixner** \<tglx@linutronix.de\>

Author.

**Ingo Molnar** \<mingo@elte.hu\>

Author.

## COPYRIGHT
