linux-kernel - Re: [alsa-devel] PNP_DRIVER_RES_DISABLE breaks swsusp at least with snd

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Date:	Sat, 12 Jan 2008 16:21:50 +0100
From:	Pierre Ossman <drzeus@...eus.cx>
To:	Rene Herman <rene.herman@...access.nl>
Cc:	Pavel Machek <pavel@...e.cz>, "Rafael J. Wysocki" <rjw@...k.pl>,
	Ondrej Zary <linux@...nbow-software.org>,
	Jaroslav Kysela <perex@...ex.cz>,
	ALSA development <alsa-devel@...a-project.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Bjorn Helgaas <bjorn.helgaas@...com>,
	Andrew Morton <akpm@...l.org>, Takashi Iwai <tiwai@...e.de>,
	linux-pm@...ts.linux-foundation.org
Subject: Re: [alsa-devel] PNP_DRIVER_RES_DISABLE breaks swsusp at least with
 snd_cs4236

On Sat, 12 Jan 2008 14:39:47 +0100
Rene Herman <rene.herman@...access.nl> wrote:

> On 12-01-08 12:12, Pierre Ossman wrote:
> 
> > I'm a bit confused here. Bjorn Helgaas wanted to remove the pnp_start/stop_dev() calls completely, and you want them called all the time. :)
> 
> Wanted where? Haven't seen a coment from Bjorn? But -- while removing them 
> both looks (as) sensible from a mirror-image viewpoint, this wouldn't fix 
> the problem.
> 

Ah, sorry. It was a different thread. Look for a mail with the subject "PNP: do not stop/start devices in suspend/resume path" in the LKML och linux-pm archives.

> 
> But we certainly need the pnp_start_dev() in the current flow of things. It 
> not being called is the problem this fixes...
> 

I think the previous suggestion was that the drivers should call this, not the core, so that it behaved more like other parts of the kernel (e.g. PCI).

Rgds
Pierre

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