From: Andi Kleen <ak@suse.de>
To: Jeff Garzik <jgarzik@pobox.com>
Subject: Re: [PATCH 0/4] PCI legacy I/O port free driver (take 3)
Date: Mon, 27 Feb 2006 23:42:09 +0100
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Cc: Grant Grundler <grundler@parisc-linux.org>,
       Kenji Kaneshige <kaneshige.kenji@soft.fujitsu.com>,
       Andrew Morton <akpm@osdl.org>, Greg KH <greg@kroah.com>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       linux-pci@atrey.karlin.mff.cuni.cz, benh@kernel.crashing.org,
       Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
References: <44028502.4000108@soft.fujitsu.com> <20060227214244.GA9008@colo.lackof.org> <44037BC6.30003@pobox.com>
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On Monday 27 February 2006 23:23, Jeff Garzik wrote:
> Or do you have another way of avoiding unused resource allocation?
> 
> Fix the [firmware | device load order] to allocate I/O ports first to 
> the hardware that only supports IO port accesses. 

How should the firmware know what hardware needs io ports and what hardware
doesn't? I don't think it will scale well to put long lists of PCI-IDs into 
their firmware.

The driver is really the natural place to put such knowledge.

-Andi

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