ATA_ID_FIELD_VALID
if (id[ATA_ID_FIELD_VALID] & (1 << 1)) {
if (id[ATA_ID_FIELD_VALID] & (1 << 2))
if (adev->id[ATA_ID_FIELD_VALID] & 2) { /* EIDE */
if (id[ATA_ID_FIELD_VALID] & 2) { /* EIDE drive */
usb_stor_dbg(us, " field_valid = 0x%x\n", id[ATA_ID_FIELD_VALID]);
return (id[ATA_ID_FIELD_VALID] & 1) && /* Current translation valid */