devm_of_dma_controller_register
ret = devm_of_dma_controller_register(&pdev->dev, np,
ret = devm_of_dma_controller_register(&pdev->dev, np,
ret = devm_of_dma_controller_register(dev, np, mxs_dma_xlate, mxs_dma);
ret = devm_of_dma_controller_register(&pdev->dev, pdev->dev.of_node,