return -ENOENT;
}
- s3c_rtc_base = devm_request_and_ioremap(&pdev->dev, res);
- if (s3c_rtc_base == NULL) {
- dev_err(&pdev->dev, "failed to ioremap memory region\n");
- return -EINVAL;
- }
+ s3c_rtc_base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(s3c_rtc_base))
+ return PTR_ERR(s3c_rtc_base);
rtc_clk = devm_clk_get(&pdev->dev, "rtc");
if (IS_ERR(rtc_clk)) {