1SPI_BUSNUM_TO_MASTER(9) Serial Peripheral Interface (S SPI_BUSNUM_TO_MASTER(9)
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NAME

6       spi_busnum_to_master - look up master associated with bus_num
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SYNOPSIS

9       struct spi_master * spi_busnum_to_master(u16 bus_num);
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ARGUMENTS

12       bus_num
13           the master's bus number
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CONTEXT

16       can sleep
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DESCRIPTION

19       This call may be used with devices that are registered after arch init
20       time. It returns a refcounted pointer to the relevant spi_master (which
21       the caller must release), or NULL if there is no such master
22       registered.
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25Kernel Hackers Manual 3.10         June 2019           SPI_BUSNUM_TO_MASTER(9)
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