spi_busnum_to_master(9) - phpMan
SPI_BUSNUM_TO_MASTER(9) Serial Peripheral Interface (S SPI_BUSNUM_TO_MASTER(9)
NAME
spi_busnum_to_master - look up master associated with bus_num
SYNOPSIS
struct spi_master * spi_busnum_to_master(u16 bus_num);
ARGUMENTS
bus_num
the master's bus number
CONTEXT
can sleep
DESCRIPTION
This call may be used with devices that are registered after arch init time. It returns a
refcounted pointer to the relevant spi_master (which the caller must release), or NULL if
there is no such master registered.
RETURN
the SPI master structure on success, else NULL.
COPYRIGHT
Kernel Hackers Manual 4.8. January 2017 SPI_BUSNUM_TO_MASTER(9)
|