rsu_prog
*progress = rsu_prog(*doorbell_reg);
if (!rsu_progress_done(rsu_prog(doorbell))) {
while (rsu_prog(doorbell) == RSU_PROG_PREPARE) {
progress = rsu_prog(doorbell);
rsu_prog(doorbell_reg) != RSU_PROG_READY,
if (rsu_prog(doorbell) != RSU_PROG_READY)
} else if (rsu_prog(doorbell) != RSU_PROG_READY) {