Re: [RFC][PATCH 2/4] PM: Change suspend code ordering

From: Linus Torvalds
Date: Mon Mar 02 2009 - 15:50:47 EST




On Sun, 1 Mar 2009, Rafael J. Wysocki wrote:
>
> From: Rafael J. Wysocki <rjw@xxxxxxx>
>
> Change the ordering of the suspend core code so that the platform
> "prepare" callback is executed and the nonboot CPUs are disabled
> after calling device drivers' "late suspend" methods.

Ok, ack on this whole series, looks fine.

I'd like to see a 5/4 though:

> This change will allow us to rework the PCI PM core so that the power
> state of devices is changed in the "late" phase of suspend (and
> analogously in the "early" phase of resume)

.. doing this. Right now we have that hacky "avoid ACPI by doing a special
limited form of pci_set_power_state() and pci_enable() in the
early_resume. I'd love to see the actual PCI code cleanup too.

Linus
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