diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 02a2afd130eb..4ef7484dff8b 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -3173,10 +3173,13 @@ static void xhci_endpoint_reset(struct usb_hcd *hcd, return; /* Bail out if toggle is already being cleared by a endpoint reset */ + spin_lock_irqsave(&xhci->lock, flags); if (ep->ep_state & EP_HARD_CLEAR_TOGGLE) { ep->ep_state &= ~EP_HARD_CLEAR_TOGGLE; + spin_unlock_irqrestore(&xhci->lock, flags); return; } + spin_unlock_irqrestore(&xhci->lock, flags); /* Only interrupt and bulk ep's use data toggle, USB2 spec 5.5.4-> */ if (usb_endpoint_xfer_control(&host_ep->desc) || usb_endpoint_xfer_isoc(&host_ep->desc)) @@ -3262,8 +3265,10 @@ static void xhci_endpoint_reset(struct usb_hcd *hcd, xhci_free_command(xhci, cfg_cmd); cleanup: xhci_free_command(xhci, stop_cmd); + spin_lock_irqsave(&xhci->lock, flags); if (ep->ep_state & EP_SOFT_CLEAR_TOGGLE) ep->ep_state &= ~EP_SOFT_CLEAR_TOGGLE; + spin_unlock_irqrestore(&xhci->lock, flags); } static int xhci_check_streams_endpoint(struct xhci_hcd *xhci,