spi_bus_unlock9
Release the lock for exclusive spi bus usage
Usage
int spi_bus_unlock(struct spi_master * master);
Arguments
master
SPI bus master that was locked for exclusive bus access
Context
can sleep
Overview
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.
Releases
2 releases since Debian 7 (Wheezy); the text changed 1 time.