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Power Management Controller (PMC) can override the PLLM clock settings, including the enable-state. Although PMC could only act as a second level gate, meaning that PLLM needs to be enabled by the Clock and Reset Controller (CaR) anyways if we want it to be enabled. Hence, when PLLM is overridden by PMC, it needs to be enabled by CaR and ungated by PMC in order to be functional. Please note that this patch doesn't fix any known problem, and thus, it's merely a minor improvement. Link: https://lore.kernel.org/linux-arm-kernel/20191210120909.GA2703785@ulmo/T/ Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Link: https://lore.kernel.org/r/20200709172057.13951-1-digetx@gmail.com Reviewed-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Signed-off-by: Stephen Boyd <sboyd@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.