spi: Split transfers larger than max size

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A couple of drivers call spi_split_transfers_maxsize() from their
->prepare_message() callbacks to split transfers which are too big for
them to handle.  Add support in the core to do this based on
->max_transfer_size() to avoid code duplication.

Signed-off-by: Vincent Whitchurch <vincent.whitchurch@axis.com>
Link: https://lore.kernel.org/r/20220927112117.77599-4-vincent.whitchurch@axis.com
Signed-off-by: Mark Brown <broonie@kernel.org>

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Vincent Whitchurch 2022-09-27 13:21:16 +02:00 • committed by Mark Brown

parent 0c17ba73c0

commit 8d699ff955

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drivers/spi/spi.c

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