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
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.