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Serge Semin
351066bad6
Currently the only STMMAC platform driver using the DW XPCS code is the Intel mGBE device driver. (It can be determined by finding all the drivers having the stmmac_mdio_bus_data::has_xpcs flag set.) At the same time the low-level platform driver masks out the DW XPCS MDIO-address from being auto-detected as PHY by the MDIO subsystem core. Seeing the PCS MDIO ID is known the procedure of the DW XPCS device creation can be simplified by dropping the loop over all the MDIO IDs. From now the DW XPCS device descriptor will be created for the MDIO-bus address pre-defined by the platform drivers via the stmmac_mdio_bus_data::pcs_mask field. Note besides this shall speed up a bit the Intel mGBE probing. Signed-off-by: Serge Semin <fancer.lancer@gmail.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 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.