ETH_E2P_CMD
err = lan78xx_wait_for_bits(sc, ETH_E2P_CMD, ETH_E2P_CMD_BUSY_);
if ((err = lan78xx_write_reg(sc, ETH_E2P_CMD, val)) != 0)
if ((err = lan78xx_read_reg(sc, ETH_E2P_CMD, &val)) !=