352 	struct am65_cpsw_rx_chn *rx_chn = &common->rx_chns;  in am65_cpsw_nuss_rx_push()  local
360 	desc_rx = k3_cppi_desc_pool_alloc(rx_chn->desc_pool);  in am65_cpsw_nuss_rx_push()
365 	desc_dma = k3_cppi_desc_pool_virt2dma(rx_chn->desc_pool, desc_rx);  in am65_cpsw_nuss_rx_push()
369 		k3_cppi_desc_pool_free(rx_chn->desc_pool, desc_rx);  in am65_cpsw_nuss_rx_push()
380 	return k3_udma_glue_push_rx_chn(rx_chn->rx_chn, 0, desc_rx, desc_dma);  in am65_cpsw_nuss_rx_push()
490 	k3_udma_glue_enable_rx_chn(common->rx_chns.rx_chn);  in am65_cpsw_nuss_common_open()
541 	k3_udma_glue_tdown_rx_chn(common->rx_chns.rx_chn, true);  in am65_cpsw_nuss_common_stop()
545 		k3_udma_glue_reset_rx_chn(common->rx_chns.rx_chn, i,  in am65_cpsw_nuss_common_stop()
549 	k3_udma_glue_disable_rx_chn(common->rx_chns.rx_chn);  in am65_cpsw_nuss_common_stop()
683 	struct am65_cpsw_rx_chn *rx_chn = data;  in am65_cpsw_nuss_rx_cleanup()  local
690 	desc_rx = k3_cppi_desc_pool_dma2virt(rx_chn->desc_pool, desc_dma);  in am65_cpsw_nuss_rx_cleanup()
695 	dma_unmap_single(rx_chn->dev, buf_dma, buf_dma_len, DMA_FROM_DEVICE);  in am65_cpsw_nuss_rx_cleanup()
696 	k3_cppi_desc_pool_free(rx_chn->desc_pool, desc_rx);  in am65_cpsw_nuss_rx_cleanup()
749 	struct am65_cpsw_rx_chn *rx_chn = &common->rx_chns;  in am65_cpsw_nuss_rx_packets()  local
763 	ret = k3_udma_glue_pop_rx_chn(rx_chn->rx_chn, flow_idx, &desc_dma);  in am65_cpsw_nuss_rx_packets()
775 	desc_rx = k3_cppi_desc_pool_dma2virt(rx_chn->desc_pool, desc_dma);  in am65_cpsw_nuss_rx_packets()
798 	k3_cppi_desc_pool_free(rx_chn->desc_pool, desc_rx);  in am65_cpsw_nuss_rx_packets()
1549 	struct am65_cpsw_rx_chn *rx_chn;  in am65_cpsw_nuss_free_rx_chns()  local
1551 	rx_chn = &common->rx_chns;  in am65_cpsw_nuss_free_rx_chns()
1553 	if (!IS_ERR_OR_NULL(rx_chn->desc_pool))  in am65_cpsw_nuss_free_rx_chns()
1554 		k3_cppi_desc_pool_destroy(rx_chn->desc_pool);  in am65_cpsw_nuss_free_rx_chns()
1556 	if (!IS_ERR_OR_NULL(rx_chn->rx_chn))  in am65_cpsw_nuss_free_rx_chns()
1557 		k3_udma_glue_release_rx_chn(rx_chn->rx_chn);  in am65_cpsw_nuss_free_rx_chns()
1562 	struct am65_cpsw_rx_chn *rx_chn = &common->rx_chns;  in am65_cpsw_nuss_init_rx_chns()  local
1578 	rx_chn->dev = dev;  in am65_cpsw_nuss_init_rx_chns()
1579 	rx_chn->descs_num = max_desc_num;  in am65_cpsw_nuss_init_rx_chns()
1580 	rx_chn->desc_pool = k3_cppi_desc_pool_create_name(dev,  in am65_cpsw_nuss_init_rx_chns()
1581 							  rx_chn->descs_num,  in am65_cpsw_nuss_init_rx_chns()
1583 	if (IS_ERR(rx_chn->desc_pool)) {  in am65_cpsw_nuss_init_rx_chns()
1584 		ret = PTR_ERR(rx_chn->desc_pool);  in am65_cpsw_nuss_init_rx_chns()
1589 	rx_chn->rx_chn = k3_udma_glue_request_rx_chn(dev, "rx", &rx_cfg);  in am65_cpsw_nuss_init_rx_chns()
1590 	if (IS_ERR(rx_chn->rx_chn)) {  in am65_cpsw_nuss_init_rx_chns()
1591 		ret = PTR_ERR(rx_chn->rx_chn);  in am65_cpsw_nuss_init_rx_chns()
1597 			k3_udma_glue_rx_get_flow_id_base(rx_chn->rx_chn);  in am65_cpsw_nuss_init_rx_chns()
1624 		ret = k3_udma_glue_rx_flow_init(rx_chn->rx_chn,  in am65_cpsw_nuss_init_rx_chns()
1632 				k3_udma_glue_rx_flow_get_fdq_id(rx_chn->rx_chn,  in am65_cpsw_nuss_init_rx_chns()
1635 		rx_chn->irq = k3_udma_glue_rx_get_irq(rx_chn->rx_chn, i);  in am65_cpsw_nuss_init_rx_chns()
1637 		if (rx_chn->irq <= 0) {  in am65_cpsw_nuss_init_rx_chns()
1639 				rx_chn->irq);  in am65_cpsw_nuss_init_rx_chns()