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.
COPYRIGHT
Kernel Hackers Manual 2.6. July 2010 SPI_BUSNUM_TO_MASTER(9)
