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A single list of versions for a hierarchy of hardware levels is not sufficient in some cases. For example, if the hardware version has two levels, i.e. X.Y and we want an OPP to support only version 2.1 and 1.2, we will set the property as: opp-supported-hw = <0x00000003 0x00000003>; What this also does is enable hardware versions 2.2 and 1.1, which we don't want. Extend the property to accept multiple versions, so we can define the property as: opp-supported-hw = <0x00000002 0x00000001>, <0x00000001 0x00000002>; While at it, also reword the property description. Reported-by: Stephan Gerhold <stephan@gerhold.net> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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.