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[ Upstream commit ac2b81eb8b2d104033560daea886ee84531e3d0a ] When changing the interface from CAN-CC to CAN-FD mode the old coalescing parameters are re-used. This might cause problem, as the configured parameters are too big for CAN-FD mode. During testing an invalid TX coalescing configuration has been seen. The problem should be been fixed in the previous patch, but add a safeguard here to ensure that the number of TEF coalescing buffers (if configured) is exactly the half of all TEF buffers. Link: https://lore.kernel.org/all/20240805-mcp251xfd-fix-ringconfig-v1-2-72086f0ca5ee@pengutronix.de Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Sasha Levin <sashal@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.