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SubjectRe: [PATCH v2 0/5] PM: PCI/ACPI: Hibernation handling fixes
On Mon, Jul 01, 2019 at 12:42:14PM +0200, Rafael J. Wysocki wrote:
> Hi All,
> This series of patches addresses a few issues related to the handling of
> hibernation in the PCI bus type and the ACPI PM domain and ACPI LPSS driver.
> The v2 addresses Hans' concerns regarding the LPSS changes.
> First of all, all of the runtime-suspended PCI devices and devices in the ACPI PM and LPSS
> PM domains will be resumed during hibernation (first patch). This appears to be the
> only way to avoid weird corner cases and the benefit from avoiding to resume those
> devices during hibernation is questionable.
> That change allows the the hibernation callbacks in all of the involved subsystems to be
> simplified (patches 2 and 3).
> Moreover, reusing bus-level suspend callbacks for the "poweroff" transition during
> hibernation (which is the case for the ACPI PM domain and LPSS) is incorrect, so patch 4
> fixes that.
> Finally, there are some leftover items in linux/acpi.h that can be dropped (patch 5).

For the whole series,

Reviewed-by: Mika Westerberg <>

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