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The DP83822 can be configured to use a Fiber connection. The strap register is read to determine if the device has been configured to use a fiber connection. With the fiber connection the PHY can be configured to detect whether the fiber connection is active by either a high signal or a low signal. Fiber mode is only applicable to the DP83822 so rework the PHY match table so that non-fiber PHYs can still use the same driver but not call or use any of the fiber features. Signed-off-by: Dan Murphy <dmurphy@ti.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
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.