linux-kernel - Re: a7839e96 (PNP: increase max resources) breaks my ALSA intel8x0 sound card

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Date:	Thu, 14 Feb 2008 11:42:52 -0800 (PST)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Bjorn Helgaas <bjorn.helgaas@...com>
cc:	Robert Hancock <hancockr@...w.ca>,
	Andrew Morton <akpm@...ux-foundation.org>, avuton@...il.com,
	yakui.zhao@...el.com, shaohua.li@...el.com, trenn@...e.de,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	alsa-devel@...a-project.org
Subject: Re: a7839e96 (PNP: increase max resources) breaks my ALSA intel8x0
 sound card



On Thu, 14 Feb 2008, Bjorn Helgaas wrote:
> 
> Sorry for the delay.  I did work on this, but I don't see how this
> can work.  pcibios_init() marks its reservations as not busy, so the
> subsequent PNP request doesn't fail, even if it clashes.

It *shouldn't* fail.

Things should fail only when two different drivers have requested the same 
region. NOT when something tells the system that a region _exists_.

Two different things.

		Linus
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