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[ Upstream commit964f4843a4] commitff140fea84("Thermal: handle thermal zone device properly during system sleep") added PM hook to call thermal zone reset during sleep. However resetting thermal zone will also clear the passive state and thus cancel the polling queue which leads the passive cooling device state not being cleared properly after sleep. thermal_pm_notify => thermal_zone_device_reset set passive to 0 thermal_zone_trip_update will skip update passive as `old_target == instance->target'. monitor_thermal_zone => thermal_zone_device_set_polling will cancel tz->poll_queue, so the cooling device state will not be changed afterwards. Reported-by: Kame Wang <kamewang@google.com> Signed-off-by: Wei Wang <wvw@google.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com> 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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.