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.