Name

spi_bus_unlock — release the lock for exclusive SPI bus usage

Synopsis

int spi_bus_unlock (struct spi_master * master);
 

Arguments

master

SPI bus master that was locked for exclusive bus access

Context

can sleep

Description

This call may only be used from a context that may sleep. The sleep is non-interruptible, and has no timeout.

This call releases an SPI bus lock previously obtained by an spi_bus_lock call.

It returns zero on success, else a negative error code.