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The Ethernet PHY documentation (Documentation/devicetree/bindings/net/phy.txt) states that: If the PHY reports an incorrect ID (or none at all) then the "compatible" list may contain an entry with the correct PHY ID in the form: "ethernet-phy-idAAAA.BBBB" An older version of the documentation suggested that the compatible string can be used when the PHY ID is known. Remove the ethernet-phy-id compatible string and add a comment with the PHY ID instead. This is a no-op on boards which are shipped with the PHY that was listed (= all known cases). However, if a board manufacturer decides to ship a different PHY we will now load and use the correct driver because we ask the PHY to identify itself. Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Kevin Hilman <khilman@baylibre.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 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.