Date: Fri, 1 Feb 2008 11:50:13 +1100 (EST)
From: Linus Torvalds <torvalds@linux-foundation.org>
To: Robert Hancock <hancockr@shaw.ca>
cc: Andrew Morton <akpm@linux-foundation.org>, avuton@gmail.com,
       yakui.zhao@intel.com, shaohua.li@intel.com, bjorn.helgaas@hp.com,
       trenn@suse.de, linux-kernel@vger.kernel.org,
       alsa-devel@alsa-project.org
Subject: Re: a7839e96 (PNP: increase max resources) breaks my ALSA intel8x0
 sound card
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References: <fa.Kmpf0B4W44W1VefIME7+BnfUouY@ifi.uio.no> <479CCAAD.4080706@shaw.ca> <20080131145820.44171af2.akpm@linux-foundation.org> <47A2644B.4000905@shaw.ca>
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On Thu, 31 Jan 2008, Robert Hancock wrote:
> 
> I think so. There was one objection that it introduced a dependency on pnpacpi
> loading after PCI bus enumeration, though.
> 
> Linus also suggested that pnpacpi could be marking the resources as "present
> but unused" so that drivers can request those regions but we still prevent
> dynamically assigning resources into them.

I _think_ that's what ACPI used to do before switching over to the PnPACPI 
thing, so I do think that "present but not reserved" approach is not just 
the right one, but also the (historically) tested one.

		Linus
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