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0d60fd5032
phy_loopback() leaves it to the PHY driver to select the speed of the loopback mode. Thus, the speed of the loopback mode depends on the PHY driver in use. Add support for speed selection to phy_loopback() to enable loopback with defined speeds. Ensure that link up is signaled if speed changes as speed is not allowed to change during link up. Link down and up is necessary for a new speed. Signed-off-by: Gerhard Engleder <gerhard@engleder-embedded.com> Link: https://patch.msgid.link/20250312203010.47429-3-gerhard@engleder-embedded.com 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.