USBKBM_QWAIT
usbkbmd->usbkbm_flags &= ~USBKBM_QWAIT;
usbkbmd->usbkbm_flags &= ~USBKBM_QWAIT;
usbkbmd->usbkbm_flags &= ~USBKBM_QWAIT;
usbkbmd->usbkbm_flags |= USBKBM_QWAIT;
while (usbkbmd->usbkbm_flags & USBKBM_QWAIT) {
usbkbmd->usbkbm_flags |= USBKBM_QWAIT;
while (usbkbmd->usbkbm_flags & USBKBM_QWAIT) {