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Subject: Re: [PATCH] PnP BIOS -- bugfix; update devlist on setpnp
From: Thomas Hood <jdthood@mail.com>
To: Gunther Mayer <Gunther.Mayer@t-online.de>
Cc: "Steven A. DuChene" <sduchene@mindspring.com>,
        linux-kernel@vger.kernel.org
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Date: 17 Oct 2001 16:58:33 -0400
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On Wed, 2001-10-17 at 12:04, Gunther Mayer wrote:
> i2c-piix4 has to be taught to ignore PNP0c0x reservations.
> 
> PNP0C02 means "mainboard resource" and obviously i2c-piix4
> would like to use it, so it should make use of it's knowledge.
> 
> As "mainboard resouce" is very generic we must reserve it
> to protect against mapping other addresses over it.

Your approach would work.  But ...

Alan has said that the thing to do is mark these resources
as extant but unused.  I presume one does this by calling
request_resource with appropriate flags [un]set.

Thomas

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