Re: misc questions about the device&driver arch

That happens at attach time. Cardbus right now has a private protocol
between the card bus bridge (cbb) and the bus to know when there's a
new card in a slot and to enumerate that bus.
i think that 's because in cardbus protocol ,one bus only have one
device ,so does pci express port (port :device =1:1)

Cool. I just bought a new laptop yesterday. It has an expresscard
slot, which I think is handled as a PCI Express port (or USB 2.0 port,
depending on the card that's inserted).

so there will be a long list of methods in the future hotplug pci
driver and pcib driver
SHPC interface ..
.......
PCIE interface
.......
compaq interface
.......
IBM interface ....
.......
poer interface
.......

Yes. If ExpressCard isn't handled by the PCIe interface, then we'd
want to add it to the list as well.

Warner
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