160 	hsuc = &chip->hsu->chan[nr];  in hsu_dma_irq()
406 	struct hsu_dma *hsu;  in hsu_dma_probe()  local
412 	hsu = devm_kzalloc(chip->dev, sizeof(*hsu), GFP_KERNEL);  in hsu_dma_probe()
413 	if (!hsu)  in hsu_dma_probe()
416 	chip->hsu = hsu;  in hsu_dma_probe()
430 	hsu->chan = devm_kcalloc(chip->dev, pdata->nr_channels,  in hsu_dma_probe()
431 				 sizeof(*hsu->chan), GFP_KERNEL);  in hsu_dma_probe()
432 	if (!hsu->chan)  in hsu_dma_probe()
435 	INIT_LIST_HEAD(&hsu->dma.channels);  in hsu_dma_probe()
437 		struct hsu_dma_chan *hsuc = &hsu->chan[i];  in hsu_dma_probe()
440 		vchan_init(&hsuc->vchan, &hsu->dma);  in hsu_dma_probe()
448 	dma_cap_set(DMA_SLAVE, hsu->dma.cap_mask);  in hsu_dma_probe()
449 	dma_cap_set(DMA_PRIVATE, hsu->dma.cap_mask);  in hsu_dma_probe()
451 	hsu->dma.device_free_chan_resources = hsu_dma_free_chan_resources;  in hsu_dma_probe()
453 	hsu->dma.device_prep_slave_sg = hsu_dma_prep_slave_sg;  in hsu_dma_probe()
455 	hsu->dma.device_issue_pending = hsu_dma_issue_pending;  in hsu_dma_probe()
456 	hsu->dma.device_tx_status = hsu_dma_tx_status;  in hsu_dma_probe()
458 	hsu->dma.device_config = hsu_dma_slave_config;  in hsu_dma_probe()
459 	hsu->dma.device_pause = hsu_dma_pause;  in hsu_dma_probe()
460 	hsu->dma.device_resume = hsu_dma_resume;  in hsu_dma_probe()
461 	hsu->dma.device_terminate_all = hsu_dma_terminate_all;  in hsu_dma_probe()
463 	hsu->dma.src_addr_widths = HSU_DMA_BUSWIDTHS;  in hsu_dma_probe()
464 	hsu->dma.dst_addr_widths = HSU_DMA_BUSWIDTHS;  in hsu_dma_probe()
465 	hsu->dma.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);  in hsu_dma_probe()
466 	hsu->dma.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;  in hsu_dma_probe()
468 	hsu->dma.dev = chip->dev;  in hsu_dma_probe()
470 	ret = dma_async_device_register(&hsu->dma);  in hsu_dma_probe()
481 	struct hsu_dma *hsu = chip->hsu;  in hsu_dma_remove()  local
484 	dma_async_device_unregister(&hsu->dma);  in hsu_dma_remove()
487 		struct hsu_dma_chan *hsuc = &hsu->chan[i];  in hsu_dma_remove()