regulator: Fix obfuscated log messages

Don't use %s to format fixed static strings into log messages, it just
makes searching for and reading the message in the kernel source
needlessly hard.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>

drivers/regulator/core.c

@@ -760,7 +760,7 @@ static int machine_constraints_voltage(struct regulator_dev *rdev,
 
 		/* 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;
 		}
@@ -782,22 +782,20 @@ static int machine_constraints_voltage(struct regulator_dev *rdev,
 
 		/* 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;
 		}
 	}