ATA_ID_CUR_HEADS
return (u32)id[ATA_ID_CUR_CYLS] * (u32)id[ATA_ID_CUR_HEADS] *
usb_stor_dbg(us, " cur_heads = 0x%x\n", id[ATA_ID_CUR_HEADS]);
id[ATA_ID_CUR_HEADS] && /* heads in current translation */
id[ATA_ID_CUR_HEADS] <= 16 &&