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[ Upstream commit 783bf5d09f86b9736605f3e01a3472e55ef98ff8 ] Referring to the errata ERR051608 of I.MX93, LPSPI TCR[PRESCALE] can only be configured to be 0 or 1, other values are not valid and will cause LPSPI to not work. Add the prescale limitation for LPSPI in I.MX93. Other platforms are not affected. Signed-off-by: Carlos Song <carlos.song@nxp.com> Link: https://patch.msgid.link/20240820070658.672127-1-carlos.song@nxp.com Signed-off-by: Mark Brown <broonie@kernel.org> 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.