spi: bcm2835: Set controller max_speed_hz

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Set the struct spi_controller max_speed_hz. This is based on the
reported source clock frequency during probe. The maximum bus clock
is half the source clock (as per the code in bcm2835_spi_transfer_one).

Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20210107164825.21919-1-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>

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Richard Fitzgerald 2021-01-07 16:48:25 +00:00 • committed by Mark Brown

parent 72366b3c53

commit c6892892a9

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drivers/spi/spi-bcm2835.c

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