Re: [ACPI] [Proposal]Another way to save/restore PCI config space for suspend/resume

From: Karol Kozimor
Date: Tue Oct 26 2004 - 04:07:33 EST


Thus wrote Arjan van de Ven:
> > What this comes down to is that extended config space is device-specific.
> > Generic solutions will fail. Only device drivers will work.
> >
> > If there are no drivers for PCI bridges to properly save/restore
> > their config space, then should create them, even if this is all the
> > drivers do.
> note that by default, if there is no driver, the first 64 bytes of
> config space are saved/restored.

That's not enough -- some devices with no drivers (think LPC bridges) might
need more (see http://bugme.osdl.org/show_bug.cgi?id=3609).
Best regards,

--
Karol 'sziwan' Kozimor
sziwan@xxxxxxxxxxx
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