https://bugzilla.kernel.org/show_bug.cgi?id=204321
Zhang Rui (rui.zh...@intel.com) changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |rui.zh...@intel.com
Resolution|--- |CODE_FIX
--- Comment #4 from Zhang Rui (rui.zh...@intel.com) ---
Problem fixed in 5.5-rc2 by below commit
commit b9ea0bae260f6aae546db224daa6ac1bd9d94b91
Author: Rafael J. Wysocki <rafael.j.wyso...@intel.com>
AuthorDate: Wed Dec 4 02:54:27 2019 +0100
Commit: Rafael J. Wysocki <rafael.j.wyso...@intel.com>
CommitDate: Tue Dec 10 00:22:18 2019 +0100
ACPI: PM: Avoid attaching ACPI PM domain to certain devices
Certain ACPI-enumerated devices represented as platform devices in
Linux, like fans, require special low-level power management handling
implemented by their drivers that is not in agreement with the ACPI
PM domain behavior. That leads to problems with managing ACPI fans
during system-wide suspend and resume.
For this reason, make acpi_dev_pm_attach() skip the affected devices
by adding a list of device IDs to avoid to it and putting the IDs of
the affected devices into that list.
Fixes: e5cc8ef31267 (ACPI / PM: Provide ACPI PM callback routines for
subsystems)
Reported-by: Zhang Rui <rui.zh...@intel.com>
Tested-by: Todd Brandt <todd.e.bra...@linux.intel.com>
Cc: 3.10+ <sta...@vger.kernel.org> # 3.10+
Signed-off-by: Rafael J. Wysocki <rafael.j.wyso...@intel.com>
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