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Robert Hancock
06b334f08b
When 88E1111 is operating in SGMII mode, auto-negotiation should be enabled on the SGMII side so that the link will come up properly with PCSes which normally have auto-negotiation enabled. This is normally the case when the PHY defaults to SGMII mode at power-up, however if we switched it from some other mode like 1000Base-X, as may happen in some SFP module situations, it may not be, particularly for modules which have 1000Base-X auto-negotiation defaulting to disabled. Call genphy_check_and_restart_aneg on the fiber page to ensure that auto- negotiation is properly enabled on the SGMII interface. Signed-off-by: Robert Hancock <robert.hancock@calian.com> 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.