spi: bcm2835: implement ctlr->max_transfer_size
The core SPI code will handle splitting transfers if needed as long as ctlr->max_transfer_size is implemented. It does this in __spi_pump_transfer_message() immediately before calling ctlr->prepare_message. So effectively, this change does not alter the behavior of the driver. Also, several peripheral drivers make use of spi_max_transfer_size(), so this should improve compatibility with those drivers. Signed-off-by:David Lechner <dlechner@baylibre.com> Link: https://lore.kernel.org/r/20240126220024.3926403-2-dlechner@baylibre.com Signed-off-by:
Mark Brown <broonie@kernel.org>
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