[PATCH 0/2] ACPI: PM: Fix two issues in acpi_device_set_power()

From: Rafael J. Wysocki
Date: Tue Jun 25 2019 - 08:06:43 EST

Hi All,

There are two, arguably minor, issues in acpi_device_set_power() that have been
introduced while making the code follow the ACPI 6 recommendations.

One of them is that, if the device is in D3hot, transitioning it into D3cold only
involves dropping references to some power resources and it should not
involve evaluating _PS3 which may happen currently.

The second one is that it sometimes is necessary to update the power state
of a device to D0 even if it was put into D0 previously, so that needs to be

Please refer to the patch changelogs for details.