linux-kernel - Re: [patch] [resend] Fix swsusp with PNP BIOS

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Message-Id: <200607252152.09421.rjw@sisk.pl>
Date:	Tue, 25 Jul 2006 21:52:09 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Adam Belay <abelay@...ell.com>
Cc:	Nigel Cunningham <ncunningham@...uxmail.org>,
	Ondrej Zary <linux@...nbow-software.org>,
	Linux List <linux-kernel@...r.kernel.org>,
	Pavel Machek <pavel@....cz>
Subject: Re: [patch] [resend] Fix swsusp with PNP BIOS

On Tuesday 25 July 2006 21:17, Adam Belay wrote:
> On Tue, 2006-07-25 at 09:23 +1000, Nigel Cunningham wrote:
> > Hi.
> > 
> > On Tuesday 25 July 2006 07:25, Rafael J. Wysocki wrote:
> > > Hi,
> > >
> > > On Monday 24 July 2006 20:28, Ondrej Zary wrote:
> > > > Hello,
> > > > swsusp is unable to suspend my machine (DTK FortisPro TOP-5A notebook)
> > > > with kernel 2.6.17.5 because it's unable to suspend PNP device 00:16
> > > > (mouse).
> > > >
> > > > The problem is in PNP BIOS. pnp_bus_suspend() calls pnp_stop_dev() for
> > > > the device if the device can be disabled according to pnp_can_disable().
> > > > The problem is that pnpbios_disable_resources() returns -EPERM if the
> > > > device is not dynamic (!pnpbios_is_dynamic()) but insert_device() happily
> > > > sets PNP_DISABLE capability/flag even if the device is not dynamic. So we
> > > > try to disable non-dynamic devices which will fail.
> > > > This patch prevents insert_device() from setting PNP_DISABLE if the
> > > > device is not dynamic and fixes suspend on my system.
> > >
> > > Thanks for the patch.
> > >
> > > Pavel, what do you think?
> > 
> > Adam is probably a better person to ask. (Added to cc).
> 
> I appreciate it.
> 
> > 
> > Regards,
> > 
> > Nigel
> 
> The patch looks good.

I'll send it to Andrew then.  I assume I can place your ACK on it?

Rafael
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