return -ENODEV;
        }
 
-       auxadc_base = devm_of_iomap(&pdev->dev, auxadc, 0, NULL);
-       if (IS_ERR(auxadc_base)) {
-               of_node_put(auxadc);
-               return PTR_ERR(auxadc_base);
-       }
-
+       auxadc_base = of_iomap(auxadc, 0);
        auxadc_phys_base = of_get_phys_base(auxadc);
 
        of_node_put(auxadc);
                return -ENODEV;
        }
 
-       apmixed_base = devm_of_iomap(&pdev->dev, apmixedsys, 0, NULL);
-       if (IS_ERR(apmixed_base)) {
-               of_node_put(apmixedsys);
-               return PTR_ERR(apmixed_base);
-       }
-
+       apmixed_base = of_iomap(apmixedsys, 0);
        apmixed_phys_base = of_get_phys_base(apmixedsys);
 
        of_node_put(apmixedsys);