if (IS_ERR(sr)) {
                pr_warning("%s: omap_sr struct for sr_%s not found\n",
                        __func__, voltdm->name);
-               return -EINVAL;
+               return PTR_ERR(sr);
        }
 
        if (!sr->clk_length)
        if (IS_ERR(sr)) {
                pr_warning("%s: omap_sr struct for sr_%s not found\n",
                        __func__, voltdm->name);
-               return -EINVAL;
+               return PTR_ERR(sr);
        }
 
        switch (sr->ip_type) {
        if (IS_ERR(sr)) {
                pr_warning("%s: omap_sr struct for sr_%s not found\n",
                        __func__, voltdm->name);
-               return -EINVAL;
+               return PTR_ERR(sr);
        }
 
        if (!sr->clk_length)
        if (IS_ERR(sr)) {
                pr_warning("%s: omap_sr struct for sr_%s not found\n",
                        __func__, voltdm->name);
-               return -EINVAL;
+               return PTR_ERR(sr);
        }
 
        volt_data = omap_voltage_get_voltdata(sr->voltdm, volt);
        if (IS_ERR(volt_data)) {
                dev_warn(&sr->pdev->dev, "%s: Unable to get voltage table"
                        "for nominal voltage %ld\n", __func__, volt);
-               return -ENODATA;
+               return PTR_ERR(volt_data);
        }
 
        nvalue_reciprocal = sr_retrieve_nvalue(sr, volt_data->sr_efuse_offs);
        if (IS_ERR(sr_info)) {
                dev_warn(&pdev->dev, "%s: omap_sr struct not found\n",
                        __func__);
-               return -EINVAL;
+               return PTR_ERR(sr_info);
        }
 
        if (sr_info->autocomp_active)