USTIR_BLOCK_RX_DATA
if (!sc->sc_rd_readinprogress && !USTIR_BLOCK_RX_DATA(sc))
USTIR_BLOCK_RX_DATA(sc))) {
if (USTIR_BLOCK_RX_DATA(sc) || deframe_rd_ur(sc)) {
if (!sc->sc_rd_readinprogress && !USTIR_BLOCK_RX_DATA(sc))
if (!USTIR_BLOCK_RX_DATA(sc)) {