Subject: Re: Linux and IBM : "unauthorized" mini-PCI : Cisco mpi350 _way_
	sub-optimal
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Gerald Britton <gbritton@alum.mit.edu>
Cc: emperor@EmperorLinux.com, LKML <linux-kernel@vger.kernel.org>,
       EmperorLinux Research <research@EmperorLinux.com>,
       "Theodore Ts'o" <tytso@mit.edu>
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	 <20030708112016.A10882@light-brigade.mit.edu>
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Date: 08 Jul 2003 16:42:30 +0100
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On Maw, 2003-07-08 at 16:20, Gerald Britton wrote:
> Some of them have issues with PCI resource allocation though.  Their BIOSes
> don't allocate resources to Cardbus bridges so insertted devices can't get
> resources and last i checked, we didn't handle this fixup.

Thats actually a Linux bug.

> On the notebooks I worked with it required relocating the AGP bridge and several other devices
> to make all the resources work out (quick hack is to just shove new resources
> into the config registers prior to the kernel's initial pci scan).

Interesting. I wonder why our fixup would have failed - its not something I've
seen but we should fixup cardbus resource blocks (2.4 isnt smart enough to
handle multidevice cardbus but Rmk has 2.5 code that is), but for the normal
case it ought to have worked.

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