Re: Regression: Wake on LAN doesn't work in sky2 with2.6.33-rc4-git2

From: Stephen Hemminger
Date: Mon Jan 18 2010 - 17:43:58 EST


On Mon, 18 Jan 2010 22:34:55 +0100
"Rafael J. Wysocki" <rjw@xxxxxxx> wrote:

> On Monday 18 January 2010, Tino Keitel wrote:
> > Hi,
> >
> > reverting this commit fixes WoL for me:
> >
> > commit 166a0fd4c788ec7f10ca8194ec6d526afa12db75
> > Author: stephen hemminger <shemminger@xxxxxxxxxx>
> > Date: Mon Dec 14 08:50:12 2009 +0000
> >
> > sky2: leave PCI config space writeable
> >
> > Since power management is done by PCI subsystem as well as driver,
> > don't toggle the bit that disables PCI register writes.
> >
> > Signed-off-by: Stephen Hemminger <shemminger@xxxxxxxxxx>
> > Acked-by: Rafael J. Wysocki <rjw@xxxxxxx>
> > Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
>
> Hmm, this is kind of interesting.
>
> Perhaps we clear the WoL setting somewhere we shouldn't, but the
> "disable PCI register writes" bit prevents this from actually happening?
>
> Rafael

How about getting a register dump of pci config space with
good/bad version?

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