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This registers the FFH OpRegion handler before ACPI tables are loaded. The platform support for the same is checked via Platform-Wide OSPM Capabilities(OSC) before registering the OpRegion handler. It relies on the special context data passed to offset and the length. However the interpretation of the values is platform/architecture specific. This generic handler just passed all the information to the platform/architecture specific callback. It also implements the default callbacks which return as not supported. Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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.