Am Donnerstag, 6. Januar 2005 22:01 schrieb Alan Stern:
> On Thu, 6 Jan 2005, Oliver Neukum wrote:
>
> > Am Donnerstag, 6. Januar 2005 20:11 schrieb Alan Stern:
> > > It's also possible that the flip-flop is changed during the suspend
> > > operation rather than the resume operation. �Perhaps Oliver can add some
> > > debugging lines to print the values of the regs->port_status[] entries in
> > > those three loops (one in ehci_hub_suspend and two in ehci_hub_resume).
> >
> > As part of suspension is cutting power I fail to see how it could not
> > affect the flip-flop. Could you explain what you mean with that?
>
> If the power was shut off entirely, upon resume the controller would have
> seen a connect change event. No such event shows up in the system logs
> you posted with ehci-hcd unloaded. But it does show up in the logs with
> ehci-hcd loaded.
I fail to see a reason for that.
> I'm just suggesting that in ehci-hub.c, you add code to ehci_hub_suspend
> to print the values of port and t1 inside the loop. Similarly, in
> ehci_hub_resume print the values of i and temp in the two loops.
I am recompiling.
Regards
Oliver
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