> > Is it possible to get the chipidea to generate an event on udc unplugging? > Yes, it has already implemented at ci_usc_vbus_session. > I see the code path in ci_udc_vbus_session of udc.c to trigger such an > event, but unfortunately it was never possible to run into that code. > > The function ci_otg_work in otg.c is prepared to do that in case the irq > got triggered by OTGSC_BSVIS bit change. > > This is true for plugging, but never happened to be called on unplugging. > Is there anything missing to get this working? Or is this completely > impossible by the core? I was already fiddling around with the other irq > cases OTGSC_*IE, but never got anything useful. Once the vbus lower than B_SESSION_VALID, it will trigger (set OTGSC_BSVIS too) BSV interrupt. Check your vbus after unplugging please. Peter > > I am working on the imx25 otg capable SoC. > > -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
