linux-kernel - Re: Regression: Wake on LAN doesn't work in sky2 with 2.6.33-rc4-git2

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Date:	Mon, 18 Jan 2010 22:34:55 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Tino Keitel <tino.keitel@...ei.de>
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	Stephen Hemminger <shemminger@...tta.com>
Subject: Re: Regression: Wake on LAN doesn't work in sky2 with 2.6.33-rc4-git2

On Monday 18 January 2010, Tino Keitel wrote:
> Hi,
> 
> reverting this commit fixes WoL for me:
> 
> commit 166a0fd4c788ec7f10ca8194ec6d526afa12db75
> Author: stephen hemminger <shemminger@...tta.com>
> 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@...tta.com>
>     Acked-by: Rafael J. Wysocki <rjw@...k.pl>
>     Signed-off-by: David S. Miller <davem@...emloft.net>

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
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