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[ Upstream commit 3d99ed60721bf2e108c8fc660775766057689a92 ] Similar to other protocol ops, it's useful for an scmi module driver to get some generic information of a performance domain. Therefore, let's add a new callback to provide this information. The information is currently limited to the name of the performance domain and whether the set-level operation is supported, although this can easily be extended if we find the need for it. Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Link: https://lore.kernel.org/r/20230825112633.236607-3-ulf.hansson@linaro.org Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> Stable-dep-of: 8e3c98d9187e ("firmware: arm_scmi: Fix frequency truncation by promoting multiplier type") Signed-off-by: Sasha Levin <sashal@kernel.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.