521 static void bcm2835_dma_free(struct bcm2835_dmadev *od)  in bcm2835_dma_free()  argument
525 	list_for_each_entry_safe(c, next, &od->ddev.channels,  in bcm2835_dma_free()
556 	struct bcm2835_dmadev *od;  in bcm2835_dma_probe()  local
571 	od = devm_kzalloc(&pdev->dev, sizeof(*od), GFP_KERNEL);  in bcm2835_dma_probe()
572 	if (!od)  in bcm2835_dma_probe()
575 	pdev->dev.dma_parms = &od->dma_parms;  in bcm2835_dma_probe()
583 	od->base = base;  in bcm2835_dma_probe()
585 	dma_cap_set(DMA_SLAVE, od->ddev.cap_mask);  in bcm2835_dma_probe()
586 	dma_cap_set(DMA_PRIVATE, od->ddev.cap_mask);  in bcm2835_dma_probe()
587 	dma_cap_set(DMA_CYCLIC, od->ddev.cap_mask);  in bcm2835_dma_probe()
588 	od->ddev.device_alloc_chan_resources = bcm2835_dma_alloc_chan_resources;  in bcm2835_dma_probe()
589 	od->ddev.device_free_chan_resources = bcm2835_dma_free_chan_resources;  in bcm2835_dma_probe()
590 	od->ddev.device_tx_status = bcm2835_dma_tx_status;  in bcm2835_dma_probe()
591 	od->ddev.device_issue_pending = bcm2835_dma_issue_pending;  in bcm2835_dma_probe()
592 	od->ddev.device_prep_dma_cyclic = bcm2835_dma_prep_dma_cyclic;  in bcm2835_dma_probe()
593 	od->ddev.device_config = bcm2835_dma_slave_config;  in bcm2835_dma_probe()
594 	od->ddev.device_terminate_all = bcm2835_dma_terminate_all;  in bcm2835_dma_probe()
595 	od->ddev.src_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES);  in bcm2835_dma_probe()
596 	od->ddev.dst_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES);  in bcm2835_dma_probe()
597 	od->ddev.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);  in bcm2835_dma_probe()
598 	od->ddev.dev = &pdev->dev;  in bcm2835_dma_probe()
599 	INIT_LIST_HEAD(&od->ddev.channels);  in bcm2835_dma_probe()
600 	spin_lock_init(&od->lock);  in bcm2835_dma_probe()
602 	platform_set_drvdata(pdev, od);  in bcm2835_dma_probe()
625 			rc = bcm2835_dma_chan_init(od, i, irq);  in bcm2835_dma_probe()
635 			bcm2835_dma_xlate, od);  in bcm2835_dma_probe()
641 	rc = dma_async_device_register(&od->ddev);  in bcm2835_dma_probe()
653 	bcm2835_dma_free(od);  in bcm2835_dma_probe()
659 	struct bcm2835_dmadev *od = platform_get_drvdata(pdev);  in bcm2835_dma_remove()  local
661 	dma_async_device_unregister(&od->ddev);  in bcm2835_dma_remove()
662 	bcm2835_dma_free(od);  in bcm2835_dma_remove()