SBUS_CTRL
sbus_writew(0, qpti->qregs + SBUS_CTRL);
qpti->qregs + SBUS_CTRL);
sbus_writew(0, qpti->qregs + SBUS_CTRL);
sbus_writew(SBUS_CTRL_RESET, qpti->qregs + SBUS_CTRL);
sbus_writew(SBUS_CTRL_RESET, qpti->qregs + SBUS_CTRL);
while (--timeout && (sbus_readw(qpti->qregs + SBUS_CTRL) & SBUS_CTRL_RESET))
sbus_writew((SBUS_CTRL_GENAB | SBUS_CTRL_ERIRQ), qpti->qregs + SBUS_CTRL);