tup->cdata = cdata;
platform_set_drvdata(pdev, tup);
- resource = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!resource) {
- dev_err(&pdev->dev, "No IO memory resource\n");
- return -ENODEV;
- }
- u->mapbase = resource->start;
- u->membase = devm_ioremap_resource(&pdev->dev, resource);
+ u->membase = devm_platform_get_and_ioremap_resource(pdev, 0, &resource);
if (IS_ERR(u->membase))
return PTR_ERR(u->membase);
+ u->mapbase = resource->start;
tup->uart_clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(tup->uart_clk))