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eca68a3c7d
Pass the supported PHY interface types to phylib if the PHY we are connecting is inside a SFP, so that the PHY driver can select an appropriate host configuration mode for their interface according to the host capabilities. For example the Marvell 88X3310 PHY inside RollBall SFP modules defaults to 10gbase-r mode on host's side, and the marvell10g driver currently does not change this setting. But a host may not support 10gbase-r. For example Turris Omnia only supports sgmii, 1000base-x and 2500base-x modes. The PHY can be configured to use those modes, but in order for the PHY driver to do that, it needs to know which modes are supported. Signed-off-by: Marek Behún <kabel@kernel.org> 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.