next_frame_id 3881 drivers/usb/host/xhci-ring.c xep->next_frame_id = urb->start_frame + num_tds * urb->interval; next_frame_id 3962 drivers/usb/host/xhci-ring.c urb->start_frame = xep->next_frame_id; next_frame_id 964 drivers/usb/host/xhci.h int next_frame_id;