NIU_ESR_DEV_ADDR
err = mdio_read(np, np->port, NIU_ESR_DEV_ADDR, ESR_RXTX_CTRL_L(chan));
err = mdio_read(np, np->port, NIU_ESR_DEV_ADDR,
err = mdio_read(np, np->port, NIU_ESR_DEV_ADDR,
err = mdio_read(np, np->port, NIU_ESR_DEV_ADDR,
err = mdio_read(np, np->port, NIU_ESR_DEV_ADDR,
err = mdio_read(np, np->port, NIU_ESR_DEV_ADDR,
err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR,
err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR,
err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR,
err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR,
err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR,
err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR,
err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR,
err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR,