[patch v4 0/4] Cypress c67x00 (EZ-Host/EZ-OTG) support
jacmet at sunsite.dk
Thu Jan 24 08:20:32 EST 2008
>>>>> "David" == David Brownell <david-b at pacbell.net> writes:
David> On Wednesday 23 January 2008, Grant Likely wrote:
>> The question is about the device structure which used to be provided
>> by the platform device instances and now there just uses the c67x00's
>> device struct. I was under the impression that each USB HCD needs to
>> have it's own struct device. I take it that's not true?
David> Each root hub necessarily is a unique device, representing a set
David> of downstream links. Unless Peter didn't test something relevant,
David> it would seem we have observational proof that two root hubs can
David> share the same device node for an upstream link.
I haven't actually tested a setup with HCDs on both SIEs as I don't
have a board with host connectors on both, but I've done the change
based on your feedback:
David> I can't think of a reason to demand multiple upstream links, though
David> sharing them between root hubs like that isn't a common structure.
David> - Dave
Bye, Peter Korsgaard
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