nand_id
} nand_id;
ret = regmap_read_poll_timeout(host->regmap, LOONGSON_NAND_IDL, nand_id.idl, nand_id.idl,
nand_id.idh = readw(host->reg_base + LOONGSON_NAND_IDH_STATUS);
op.buf[i] = nand_id.ids[host->data->max_id_cycle - 1 - i];
struct nand_id id;