other versions
- jessie 3.16.56-1+deb8u1
SPI_BUS_UNLOCK(9) | Serial Peripheral Interface (S | SPI_BUS_UNLOCK(9) |
NAME¶
spi_bus_unlock - release the lock for exclusive SPI bus usageSYNOPSIS¶
int
spi_bus_unlock(struct spi_master * master);
ARGUMENTS¶
masterSPI bus master that was locked for exclusive bus
access
CONTEXT¶
can sleepDESCRIPTION¶
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.COPYRIGHT¶
May 2018 | Kernel Hackers Manual 3.16 |