USBD_SYNCHRONOUS
USBD_SYNCHRONOUS, USBD_NO_TIMEOUT, NULL);
xferflags |= USBD_SYNCHRONOUS;
USBD_SYNCHRONOUS, USBD_DEFAULT_TIMEOUT, NULL);
xs->timeout, USBD_SYNCHRONOUS,
USBD_SYNCHRONOUS, USBD_DEFAULT_TIMEOUT, NULL);
int sync = xfer->ux_flags & USBD_SYNCHRONOUS;
if (!(flags & USBD_SYNCHRONOUS)) {
xfer->ux_flags |= USBD_SYNCHRONOUS;
xfer->ux_flags |= USBD_SYNCHRONOUS | USBD_SYNCHRONOUS_SIG;
if ((xfer->ux_flags & USBD_SYNCHRONOUS) == 0) {