Re: Totally broken PCI PM calls

From: Pavel Machek
Date: Tue Oct 12 2004 - 14:52:12 EST


Hi!

> > If you are entering S4 or S5 at the end of swsusp basically should not
> > matter to anyone. What we tell the drivers is same in both cases.
>
> The problem cases are on resume, where drivers
> can see different controller state. Both S4 and S5
> resume can leave it in reset; fine. But from S4
> the other option is the controller being in the state
> set up previously by the driver ... yet from S5 the
> other option is boot firmware (BIOS etc) mucking
> with it, leaving it in any of several states that are
> not otherwise documented for resume() paths.

I do not think that S4 ad S5 differ in this regard. During resume, you
go through normal boot in both cases, bootloader, linux-kernel boot.

Pavel
--
People were complaining that M$ turns users into beta-testers...
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