SPI_BUS_UNLOCK(9)                 Serial Peripheral Interface (S                SPI_BUS_UNLOCK(9)



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.

RETURN
       always zero.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                         SPI_BUS_UNLOCK(9)