start of some pci cleanups

[Andy Ritger]

When modifying existing structures and functions, please be conscious
of binary compatibility.

Thanks,
- Andy


On Wed, 20 Jul 2005, Dave Airlie wrote:

> This is a first patch that cleans up some PCI interfaces, we don't
> have any idea about domains at the normal level of the driver, I think
> we should at least add the idea.
> 
> http://people.freedesktop.org/~airlied/change_pci_interface.diff
> 
> This just adds pci domain to the pcibusid struct and passes the
> PciBusId struct around instead of passing bus,dev,func triplets.
> 
> For my next trick, I'd like to fix the xf86MapPciMem entry point to
> take a pciVideoPtr, so that we can figure out the file in
> /proc/bus/pci or /sys on Linux that is needed and mmap it rather than
> using /dev/mem which is something that I'd like to stop doing.
> 
> Dave.
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