90 	struct dma_chan	*rx_chan;  member
290 	desc = dmaengine_prep_slave_single(db->rx_chan, rxbuf, count,  in emac_dma_inblk_32bit()
316 	dma_async_issue_pending(db->rx_chan);  in emac_dma_inblk_32bit()
734 			if (rxlen >= dev->mtu && db->rx_chan) {  in emac_rx()
930 	db->rx_chan = dma_request_chan(&pdev->dev, "rx");  in emac_configure_dma()
931 	if (IS_ERR(db->rx_chan)) {  in emac_configure_dma()
934 		err = PTR_ERR(db->rx_chan);  in emac_configure_dma()
946 	err = dmaengine_slave_config(db->rx_chan, &conf);  in emac_configure_dma()
956 	dma_release_channel(db->rx_chan);  in emac_configure_dma()
959 	db->rx_chan = NULL;  in emac_configure_dma()
1075 	dma_release_channel(db->rx_chan);  in emac_probe()
1091 	if (db->rx_chan) {  in emac_remove()
1092 		dmaengine_terminate_all(db->rx_chan);  in emac_remove()
1093 		dma_release_channel(db->rx_chan);  in emac_remove()