> SCSI/ATA share the same problem IIRC, the host/chipset drivers load all
> the device hosts who match that driver code.
> What am I missing?
I know that for scsi it can be fixed. Ok the current scsi layer doesn't do
it right, but there's nothing that prevents it in principle.
Eg
PCI code sees a PCI ID, calls probe for the chip
chip driver looks and sees 2 "cables" and creates host structures for
each.
per host drive discovery is done and registered with a (thin) generic
"I am a disk, gimme a major/minor" layer.
That ought to work. And on hotplug your probe just get called again...
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