Interesting. I'd expect 25 myself ... then we'll definitely need
two clock values in struct pci_bus - because the hi-speed one
isn't always a double the low one - as shown by your example.
No; all devices on the same bus run at the same speed ... for per
device (well, per bus) we need a speed.
Actually, strictly speaking drivers should be able to handle the speed
changing at runtime too --- I'm not sure if anything does this right
now but it is permissible.
--cw
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