serial: Convert to devm_ioremap_resource()

Convert all uses of devm_request_and_ioremap() to the newly introduced
devm_ioremap_resource() which provides more consistent error handling.

devm_ioremap_resource() provides its own error messages so all explicit
error messages can be removed from the failure code paths.

Signed-off-by: Thierry Reding <[e-mail]>
Cc: Alan Cox <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/tty/serial/sccnxp.c

···
 #define SUPPORT_SYSRQ
 #endif
 
+#include <linux/err.h>
 #include <linux/module.h>
 #include <linux/device.h>
 #include <linux/console.h>
···
 		goto err_out;
 	}
 
-	membase = devm_request_and_ioremap(&pdev->dev, res);
-	if (!membase) {
-		dev_err(&pdev->dev, "Failed to ioremap\n");
-		ret = -EIO;
+	membase = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(membase)) {
+		ret = PTR_ERR(membase);
 		goto err_out;
 	}