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pci device in 2.4.x kernel



I'm new to the list and have what could be a very simple problem.  I have a
pci device driver that was written in-house with a 2.2.16 kernel.  I need to
use this same device on a 2.4 kernel and of course the pci_dev structure has
changed.  I'm new to device drivers and am looking for information regarding
these pci structure changes and how to implement them.  I can find NO
documentation anywhere.  For example, dev->base_address no longer exists.
Using the new resource structures, how do I access the same address?  This
may be basic, but any suggestions would be appreciated!

Thanks,
Traci
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