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e793b86ae4
This patch introduces a diagnostic guide for troubleshooting Twisted Pair Ethernet variants at OSI Layer 1. It provides detailed steps for detecting and resolving common link issues, such as incorrect wiring, cable damage, and power delivery problems. The guide also includes interface verification steps and PHY-specific diagnostics. Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> Link: https://patch.msgid.link/20241004121824.1716303-1-o.rempel@pengutronix.de Signed-off-by: Paolo Abeni <pabeni@redhat.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.