SMA_wCurrHostStatusFlags
writew(readw(chip->SMA + SMA_wCurrHostStatusFlags)
| 0x0001, chip->SMA + SMA_wCurrHostStatusFlags);
writew(readw(chip->SMA + SMA_wCurrHostStatusFlags)
& ~0x0001, chip->SMA + SMA_wCurrHostStatusFlags);