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[ Upstream commit c626a438452079824139f97137f17af47b1a8989 ] Now that global.turbo_disabled can only change at the cpufreq driver registration time, initialize global.no_turbo at that time too so they are in sync to start with (if the former is set, the latter cannot be updated later anyway). That allows show_no_turbo() to be simlified because it does not need to check global.turbo_disabled and store_no_turbo() can be rearranged to avoid doing anything if the new value of global.no_turbo is equal to the current one and only return an error on attempts to clear global.no_turbo when global.turbo_disabled. While at it, eliminate the redundant ret variable from store_no_turbo(). No intentional functional impact. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Stable-dep-of: 350cbb5d2f67 ("cpufreq: intel_pstate: Check turbo_is_disabled() in store_no_turbo()") 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.