Re: [PATCH] add legacy I/O and memory access routines to /proc/bus/pci API

From: Jesse Barnes <jbarnes_at_engr.sgi.com>
Date: 2004-12-16 04:27:51
On Tuesday, December 14, 2004 9:41 am, Jesse Barnes wrote:
> This patch adds a new optional arch specific API to /proc/bus/pci to get at
> legacy I/O and memory space.  I know most platforms will correctly route
> legacy I/O and memory accesses to some well defined bus, but some don't (I
> think some PPC machines fall into the latter category?), thus the need for
> this patch.  I've also included draft documentation for the /proc/bus/pci
> API in general since it didn't appear to be documented anywhere but in the
> source.  Comments?  I'm successfully using this to bring up gfx stuff (i.e.
> card POSTing, X) on an Altix machine.

Here's a new revision including Bjorn's suggestions about making the 
read/write state more flexible (and readable IMO).  I've also updated the 
documentation a bit, hopefully clarifying things a bit.

Thanks,
Jesse

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Received on Wed Dec 15 12:33:49 2004

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