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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>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.