cfg_read32
ep_dev->edev.rx_num = cfg_read32(ep_dev->reg, rx_num_max);
ep_dev->edev.tx_num = cfg_read32(ep_dev->reg, tx_num_max);
ep_dev->edev.db_blk_size = cfg_read32(ep_dev->reg, db_blk_size);
cfg_read32(ep_dev->reg, aq_db_off));