529 	struct d350 *dmac;  in d350_probe()  local
554 	dmac = devm_kzalloc(dev, struct_size(dmac, channels, nchan), GFP_KERNEL);  in d350_probe()
555 	if (!dmac)  in d350_probe()
558 	dmac->nchan = nchan;  in d350_probe()
561 	dmac->nreq = FIELD_GET(DMA_CFG_NUM_TRIGGER_IN, reg);  in d350_probe()
563 	dev_dbg(dev, "DMA-350 r%dp%d with %d channels, %d requests\n", r, p, dmac->nchan, dmac->nreq);  in d350_probe()
565 	dmac->dma.dev = dev;  in d350_probe()
567 		dmac->dma.src_addr_widths |= BIT(i);  in d350_probe()
568 		dmac->dma.dst_addr_widths |= BIT(i);  in d350_probe()
570 	dmac->dma.directions = BIT(DMA_MEM_TO_MEM);  in d350_probe()
571 	dmac->dma.descriptor_reuse = true;  in d350_probe()
572 	dmac->dma.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;  in d350_probe()
573 	dmac->dma.device_alloc_chan_resources = d350_alloc_chan_resources;  in d350_probe()
574 	dmac->dma.device_free_chan_resources = d350_free_chan_resources;  in d350_probe()
575 	dma_cap_set(DMA_MEMCPY, dmac->dma.cap_mask);  in d350_probe()
576 	dmac->dma.device_prep_dma_memcpy = d350_prep_memcpy;  in d350_probe()
577 	dmac->dma.device_pause = d350_pause;  in d350_probe()
578 	dmac->dma.device_resume = d350_resume;  in d350_probe()
579 	dmac->dma.device_terminate_all = d350_terminate_all;  in d350_probe()
580 	dmac->dma.device_synchronize = d350_synchronize;  in d350_probe()
581 	dmac->dma.device_tx_status = d350_tx_status;  in d350_probe()
582 	dmac->dma.device_issue_pending = d350_issue_pending;  in d350_probe()
583 	INIT_LIST_HEAD(&dmac->dma.channels);  in d350_probe()
588 		struct d350_chan *dch = &dmac->channels[i];  in d350_probe()
618 		vchan_init(&dch->vc, &dmac->dma);  in d350_probe()
622 		dma_cap_set(DMA_MEMSET, dmac->dma.cap_mask);  in d350_probe()
623 		dmac->dma.device_prep_dma_memset = d350_prep_memset;  in d350_probe()
626 	platform_set_drvdata(pdev, dmac);  in d350_probe()
628 	ret = dma_async_device_register(&dmac->dma);  in d350_probe()
637 	struct d350 *dmac = platform_get_drvdata(pdev);  in d350_remove()  local
639 	dma_async_device_unregister(&dmac->dma);  in d350_remove()