---
name: "clk_notifier_register"
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/clk_notifier_register"
---

# clk\_notifier\_register(9)

change notifier callback

## NAME

clk\_notifier\_register - change notifier callback

## SYNOPSIS

**int clk\_notifier\_register(struct clk \*** *clk***, struct notifier\_block \*** *nb***);**

## ARGUMENTS

*clk*

clock whose rate we are interested in

*nb*

notifier block with callback function pointer

## DESCRIPTION

ProTip: debugging across notifier chains can be frustrating. Make sure that your notifier callback function prints a nice big warning in case of failure.

## COPYRIGHT