---
name: "spi_unregister_master"
section: "9"
platform: "linux"
package: "linux-manual-3.16"
version: "3.16.56-1+deb8u1"
release: "Debian 8 (Jessie)"
platforms: ["linux"]
url: "https://new.carta.tech/spi_unregister_master"
---

# spi\_unregister\_master(9)

unregister SPI master controller

## NAME

spi\_unregister\_master - unregister SPI master controller

## SYNOPSIS

**void spi\_unregister\_master(struct spi\_master \*** *master***);**

## ARGUMENTS

*master*

the master being unregistered

## CONTEXT

can sleep

## DESCRIPTION

This call is used only by SPI master controller drivers, which are the only ones directly touching chip registers.

This must be called from context that can sleep.

## COPYRIGHT