Re: HCD polling root hub status before controller is brought out of suspend

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On Fri, 5 Nov 2010, Maksim Rayskiy wrote:

> Thank you, Alan.
> 
> I do not see ohci_bus_suspend/ohci_bus_resume clearing/setting
> HCD_FLAG_HW_ACCESSIBLE bit. Does that mean we have to deal with this in our
> own driver then?

Yes.  This is because controller registers may or may not become
inaccessible during suspend, depending on the hardware.  See
ohci_pci_suspend() for an example.

Alan Stern

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