prueth_prepare_rx_chan
EXPORT_SYMBOL_GPL(prueth_prepare_rx_chan);
ret = prueth_prepare_rx_chan(emac, &emac->rx_chns, PRUETH_MAX_PKT_SIZE);
int prueth_prepare_rx_chan(struct prueth_emac *emac,
ret = prueth_prepare_rx_chan(emac, &emac->rx_chns, PRUETH_MAX_PKT_SIZE);
ret = prueth_prepare_rx_chan(emac, &emac->rx_mgm_chn, 64);