Re: DWC3 runtime suspend on cable disconnect while UDC is active

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On Thu, Nov 21, 2024, André Draszik wrote:
> On Thu, 2024-11-21 at 12:34 +0000, André Draszik wrote:
> > Unfortunately, this only works once: After restoring those bits and
> > reconnecting the cable, USB comes up as expected, but a subsequent
> > disconnect with the same sequence as during the first disconnect doesn't
> > trigger the DWC3_DEVICE_EVENT_DISCONNECT event anymore (others still
> > happen,
> > like DWC3_DEVICE_EVENT_SUSPEND).
> > 
> > Kinda looks to me like either I'm still missing something, or e.g. the
> > event
> > is somehow masked.
> > 
> > I anybody aware of anything related by any chance?
> 
> Hm, the missing DWC3_DEVICE_EVENT_DISCONNECT event comes when I insert the
> cable another time, i.e. after the DWC3 driver has reconfigured everything
> after cable attach. This throws everything off of course.
> 
> Looks like still something wrong in phy/dwc3 interaction in the Exynos case.
> I'll debug a bit more.
> 

Ok.

BR,
Thinh




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