| 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.
It returns zero on success, else a negative error code.
COPYRIGHT¶
| June 2024 | Kernel Hackers Manual 3.10 |