/* else require explicit machine-level constraints */
                if (cmin <= 0 || cmax <= 0 || cmax < cmin) {
-                       pr_err("%s '%s' voltage constraints\n", "invalid",
+                       pr_err("invalid '%s' voltage constraints\n",
                                name);
                        return -EINVAL;
                }
 
                /* final: [min_uV..max_uV] valid iff constraints valid */
                if (max_uV < min_uV) {
-                       pr_err("%s '%s' voltage constraints\n", "unsupportable",
+                       pr_err("unsupportable '%s' voltage constraints\n",
                                name);
                        return -EINVAL;
                }
 
                /* use regulator's subset of machine constraints */
                if (constraints->min_uV < min_uV) {
-                       pr_debug("override '%s' %s, %d -> %d\n",
-                                name, "min_uV",
-                                constraints->min_uV, min_uV);
+                       pr_debug("override '%s' min_uV, %d -> %d\n",
+                                name, constraints->min_uV, min_uV);
                        constraints->min_uV = min_uV;
                }
                if (constraints->max_uV > max_uV) {
-                       pr_debug("override '%s' %s, %d -> %d\n",
-                                name, "max_uV",
-                                constraints->max_uV, max_uV);
+                       pr_debug("override '%s' max_uV, %d -> %d\n",
+                                name, constraints->max_uV, max_uV);
                        constraints->max_uV = max_uV;
                }
        }