@@ -3776,13 +3776,24 @@ static void dwc3_gadget_disconnect_interrupt(struct dwc3 *dwc)
reg &= ~DWC3_DCTL_INITU2ENA;
dwc3_gadget_dctl_write_safe(dwc, reg);
+ dwc->connected = false;
+
dwc3_disconnect_gadget(dwc);
dwc->gadget->speed = USB_SPEED_UNKNOWN;
dwc->setup_packet_pending = false;
usb_gadget_set_state(dwc->gadget, USB_STATE_NOTATTACHED);
- dwc->connected = false;
+ if (dwc->ep0state != EP0_SETUP_PHASE) {
+ unsigned int dir;
+
+ dir = !!dwc->ep0_expect_in;
+ if (dwc->ep0state == EP0_DATA_PHASE)
+ dwc3_ep0_end_control_data(dwc, dwc->eps[dir]);
+ else
+ dwc3_ep0_end_control_data(dwc, dwc->eps[!dir]);
+ dwc3_ep0_stall_and_restart(dwc);
+ }
}
static void dwc3_gadget_reset_interrupt(struct dwc3 *dwc)
During a cable disconnect sequence, if ep0state is not in the SETUP phase, then nothing will trigger any pending end transfer commands. Force stopping of any pending SETUP transaction, and move back to the SETUP phase. Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com> --- drivers/usb/dwc3/gadget.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-)