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Andrew Lunn says: ==================== platform data controls for mdio-gpio Soon to be mainlined is an x86 platform with a Marvell switch, and a bit-banging MDIO bus. In order to make this work, the phy_mask of the MDIO bus needs to be set to prevent scanning for PHYs, and the phy_ignore_ta_mask needs to be set because the switch has broken turnaround. Add a platform_data structure with these parameters. ==================== 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.