Re: [linux-usb-devel] [PATCH] Ohci-hcd: fix endless loop

[Benjamin Herrenschmidt]

> If you got the "IRQ INTR_SF lossage" diagnostic, there's clearly
> some problem with IRQ handling after the resume ... is the iBook
> firmware (or hardware) doing wierd stuff so that the normal PCI
> IRQ calls stopped working?

The iBook hardware isn't doing anything special, the controller is just
coming back out of the blue. If it's the NEC one, it's just a normal NEC
EHCI+OHCI coming out of D3cold, if it's the KeyLargo Apple one, it comes
from some special state which  is similar to D2.

Ben.


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