HAL2_REG_CTL_ISR
while (haltwo_read(sc, ctl, HAL2_REG_CTL_ISR) & HAL2_ISR_TSTATUS)
while (haltwo_read(sc, ctl, HAL2_REG_CTL_ISR) & HAL2_ISR_TSTATUS)
haltwo_write(sc, ctl, HAL2_REG_CTL_ISR, 0);
haltwo_write(sc, ctl, HAL2_REG_CTL_ISR,
haltwo_write(sc, ctl, HAL2_REG_CTL_ISR, 0);
haltwo_write(sc, ctl, HAL2_REG_CTL_ISR,