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Merge series from Charles Keepax <ckeepax@opensource.cirrus.com>: This series is the next step of adding SDCA support. Here we add helper functions to allow drivers to easily use the SDCA DisCo information to create a register map for the device. The basic idea here is the code takes the list of SDCA controls parsed from DisCo and uses primarily the Access Mode to determine if the register should be marked as readable/writable etc. Further more some additional concepts such as DisCo Constants and Defaults are handled. There is some potential confusion, as DisCo Constants are handled as an entry in the regmap defaults table, whereas a DisCo Default is simply handled as a write to the register. Alas the naming confusion is an unavoidable result of the slight impedance mismatch between the two systems.
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.