From: Gregory Herrero <gregory.herrero@xxxxxxxxx> In case controller is asked to stop while devices are connected, disconnect all devices and clean up before stopping. Signed-off-by: Gregory Herrero <gregory.herrero@xxxxxxxxx> Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@xxxxxxxxx> Tested-by: Robert Baldyga <r.baldyga@xxxxxxxxxxx> Tested-by: Dinh Nguyen <dinguyen@xxxxxxxxxxxxxxxxxxxxx> Tested-by: John Youn <johnyoun@xxxxxxxxxxxx> Acked-by: John Youn <johnyoun@xxxxxxxxxxxx> --- drivers/usb/dwc2/hcd.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c index 856e21c..257f957 100644 --- a/drivers/usb/dwc2/hcd.c +++ b/drivers/usb/dwc2/hcd.c @@ -2350,7 +2350,12 @@ static void _dwc2_hcd_stop(struct usb_hcd *hcd) struct dwc2_hsotg *hsotg = dwc2_hcd_to_hsotg(hcd); unsigned long flags; + /* Wait for interrupt processing to finish */ + synchronize_irq(hcd->irq); + spin_lock_irqsave(&hsotg->lock, flags); + /* Ensure hcd is disconnected */ + dwc2_hcd_disconnect(hsotg); dwc2_hcd_stop(hsotg); hsotg->lx_state = DWC2_L3; hcd->state = HC_STATE_HALT; -- 2.3.3 -- 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
