1. NAME▲

spi_bus_unlock - release the lock for exclusive SPI bus usage

2. SYNOPSIS ▲

int spi_bus_unlock(struct spi_master *  master );

3. ARGUMENTS ▲

master
    SPI bus master that was locked for exclusive bus access

4. CONTEXT ▲

can sleep

5. 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.

6. COPYRIGHT ▲