- ar7_wdt = devm_request_and_ioremap(&pdev->dev, ar7_regs_wdt);
- if (!ar7_wdt) {
- pr_err("could not ioremap registers\n");
- return -ENXIO;
- }
+ ar7_wdt = devm_ioremap_resource(&pdev->dev, ar7_regs_wdt);
+ if (IS_ERR(ar7_wdt))
+ return PTR_ERR(ar7_wdt);