GB_SVC_TYPE_PWRMON_RAIL_COUNT_GET, NULL, 0,
                                &response, sizeof(response));
        if (ret) {
-               dev_err(&svc->dev, "failed to get rail count (%d)\n", ret);
+               dev_err(&svc->dev, "failed to get rail count: %d\n", ret);
                return ret;
        }
 
                                GB_SVC_TYPE_PWRMON_RAIL_NAMES_GET, NULL, 0,
                                response, bufsize);
        if (ret) {
-               dev_err(&svc->dev, "failed to get rail names (%d)\n", ret);
+               dev_err(&svc->dev, "failed to get rail names: %d\n", ret);
                return ret;
        }
 
                                &request, sizeof(request),
                                &response, sizeof(response));
        if (ret) {
-               dev_err(&svc->dev, "failed to get rail sample (%d)\n", ret);
+               dev_err(&svc->dev, "failed to get rail sample: %d\n", ret);
                return ret;
        }
 
                                &request, sizeof(request),
                                &response, sizeof(response));
        if (ret) {
-               dev_err(&svc->dev, "failed to get intf sample (%d)\n", ret);
+               dev_err(&svc->dev, "failed to get intf sample: %d\n", ret);
                return ret;
        }
 
                                       GB_SVC_PWRMON_TYPE_VOL, &value);
        if (ret) {
                dev_err(&svc->dev,
-                       "failed to get voltage sample ret=%d id=%d\n",
-                       ret, pwrmon_rails->id);
+                       "failed to get voltage sample %u: %d\n",
+                       pwrmon_rails->id, ret);
                return ret;
        }
 
                                       GB_SVC_PWRMON_TYPE_CURR, &value);
        if (ret) {
                dev_err(&svc->dev,
-                       "failed to get current sample ret=%d id=%d\n",
-                       ret, pwrmon_rails->id);
+                       "failed to get current sample %u: %d\n",
+                       pwrmon_rails->id, ret);
                return ret;
        }
 
        ret = gb_svc_pwrmon_sample_get(svc, pwrmon_rails->id,
                                       GB_SVC_PWRMON_TYPE_PWR, &value);
        if (ret) {
-               dev_err(&svc->dev, "failed to get power sample ret=%d id=%d\n",
-                       ret, pwrmon_rails->id);
+               dev_err(&svc->dev, "failed to get power sample %u: %d\n",
+                       pwrmon_rails->id, ret);
                return ret;
        }