- ioarea = devm_request_mem_region(&pdev->dev, mem->start,
- resource_size(mem), pdev->name);
- if (!ioarea) {
- dev_err(&pdev->dev, "Audio region already claimed\n");
- return -EBUSY;
- }
+ mcasp->base = devm_ioremap_resource(&pdev->dev, mem);
+ if (IS_ERR(mcasp->base))
+ return PTR_ERR(mcasp->base);