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.
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