---
name: "__bus_register"
section: "9"
platform: "linux"
package: "linux-manual-3.2"
version: "3.2.78-1"
release: "Debian 7 (Wheezy)"
platforms: ["linux"]
url: "https://new.carta.tech/__bus_register"
---

# \_\_bus\_register(9)

register a driver-core subsystem

## NAME

\_\_bus\_register - register a driver-core subsystem

## SYNOPSIS

**int \_\_bus\_register(struct bus\_type \*** *bus***, struct lock\_class\_key \*** *key***);**

## ARGUMENTS

*bus*

bus.

*key*

\-- undescribed --

## DESCRIPTION

Once we have that, we registered the bus with the kobject infrastructure, then register the children subsystems it has: the devices and drivers that belong to the subsystem.

## COPYRIGHT