use_extended_tbc 3810 drivers/usb/host/xhci-ring.c if (!xep->use_extended_tbc) use_extended_tbc 3854 drivers/usb/host/xhci-ring.c if (first_trb && xep->use_extended_tbc) use_extended_tbc 966 drivers/usb/host/xhci.h bool use_extended_tbc;