Re: [PATCH 0/2] ACPI / platform: Put devices enumerated via ACPIinto D0 before probing drivers

[Mika Westerberg]

On Sun, Nov 25, 2012 at 03:54:14PM +0100, Rafael J. Wysocki wrote:
> The following two patches are meant to work around a problem where some
> devices may be in the ACPI D3cold power state (power off) before their
> drivers' .probe() routines are called, but those routines assume devices
> to be operational.  They also allow ACPI PM to be used going forward with
> the devices in question.

We have such machines here. I've tested the series on one of them and it
solves the problem - drivers can now access device registers right from the
start.

> [1/2] - Allow ACPI PM attach/detach routines to change device power states.
> [2/2] - Call the ACPI PM attach/detach routines in the platform probe and
>         remove/shutdown callbacks (and change power states of devices as
>         necessary).

Reviewed-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
Tested-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
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