Re: usb: dwc3: gadget: skip pullup and set_speed after suspend

[Jung Daehwan]

On Fri, Jan 22, 2021 03:32, Wesley cheng wrote:
> Hi Daehwan,
> 
> If this is an unexpected event where userspace initiates the UDC bind
> sequence, then after the above sequence occurs, the DWC3 device should
> still be able to re-enter runtime suspend after the autosuspend timer
> expires.  Since the cable is disconnected, the dwc->connected flag would
> still be false.  Is this not happening in your situation?
> 
> I'm just trying to understand what issue you're seeing other than the
> momentary transition from runtime suspend (due to cable disconnect)
> -->runtime resume (due to unexpected UDC bind) --> runtime  suspend (due
> to nothing connected).
> 
> Thanks
> Wesley cheng

Hi Wesley,

I don't know why but DWC3 device is not re-entering runtime-suspend in
my situation. I'm still debugging it.
Even if DWC3 re-enter runtime-suspend but it doesn't mean stopping gadget.
Are you stopping gadget manually in this case?

Best Regards,
Jung Daehwan