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aaf01f66e0
Use the PHY's cached max lane count value on all platforms similarly to LNL+. On LNL+ using the cached value is mandatory - since the corresponding HW register field can get cleared by the time the value is queried - on earlier platforms there isn't a problem with using the HW register instead. Having a uniform way to query the value still makes sense and it's also a bit more efficient, so do that. Reviewed-by: Mika Kahola <mika.kahola@intel.com> Link: https://lore.kernel.org/r/20250805073700.642107-7-imre.deak@intel.com Signed-off-by: Imre Deak <imre.deak@intel.com>
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 reStructuredText 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.