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Message-ID: <alpine.LFD.1.00.0802141141470.6110@woody.linux-foundation.org>
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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