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c95b7595f8
In general, it is not correct to call pm_generic_suspend(), pm_generic_suspend_late() and pm_generic_suspend_noirq() during the hibernation's "poweroff" transition, because device drivers may provide special callbacks to be invoked then and the wrappers in question cause system suspend callbacks to be run. Unfortunately, that happens in the ACPI PM domain and ACPI LPSS. To address this potential issue, introduce "poweroff" callbacks for the ACPI PM and LPSS that will use pm_generic_poweroff(), pm_generic_poweroff_late() and pm_generic_poweroff_noirq() as appropriate. Fixes: 05087360fd7a (ACPI / PM: Take SMART_SUSPEND driver flag into account) Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com>
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.