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m_can supports submitting multiple transmits with one register write. This is an interesting option to reduce the number of SPI transfers for peripheral chips. The m_can_tx_op is extended with a bool that signals if it is the last transmission and the submit should be executed immediately. The worker then writes the skb to the FIFO and submits it only if the submit bool is set. If it isn't set, the worker will write the next skb which is waiting in the workqueue to the FIFO, etc. Signed-off-by: Markus Schneider-Pargmann <msp@baylibre.com> Link: https://lore.kernel.org/all/20240207093220.2681425-15-msp@baylibre.com Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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.