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[ Upstream commit607b9df630] Flushing the EC work while suspended to idle when the EC GPE status is not set causes some EC wakeup events (notably power button and lid ones) to be missed after a series of spurious wakeups on the Dell XPS13 9360 in my office. If that happens, the machine cannot be woken up from suspend-to-idle by the power button or lid status change and it needs to be woken up in some other way (eg. by a key press). Flushing the EC work only after successful dispatching the EC GPE, which means that its status has been set, avoids the issue, so change the code in question accordingly. Fixes:7b301750f7("ACPI: EC: PM: Avoid premature returns from acpi_s2idle_wake()") Cc: 5.4+ <stable@vger.kernel.org> # 5.4+ Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Tested-by: Chris Chiu <chiu@endlessm.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.
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.