regulator: db8500-prcmu: use devm_regulator_register()

Use devm_regulator_register() to make cleanup paths simpler.
Signed-off-by: NJingoo Han <jg1.han@samsung.com>
Acked-by: NBengt Jonsson <bengt.g.jonsson@stericsson.com>
Signed-off-by: NMark Brown <broonie@linaro.org>

drivers/regulator/db8500-prcmu.c

@@ -431,17 +431,11 @@ static int db8500_regulator_register(struct platform_device *pdev,
 	config.of_node = np;
 
 	/* register with the regulator framework */
-	info->rdev = regulator_register(&info->desc, &config);
+	info->rdev = devm_regulator_register(&pdev->dev, &info->desc, &config);
 	if (IS_ERR(info->rdev)) {
 		err = PTR_ERR(info->rdev);
 		dev_err(&pdev->dev, "failed to register %s: err %i\n",
 			info->desc.name, err);
-
-		/* if failing, unregister all earlier regulators */
-		while (--id >= 0) {
-			info = &dbx500_regulator_info[id];
-			regulator_unregister(info->rdev);
-		}
 		return err;
 	}
 
@@ -530,20 +524,8 @@ static int db8500_regulator_probe(struct platform_device *pdev)
 
 static int db8500_regulator_remove(struct platform_device *pdev)
 {
-	int i;
-
 	ux500_regulator_debug_exit();
 
-	for (i = 0; i < ARRAY_SIZE(dbx500_regulator_info); i++) {
-		struct dbx500_regulator_info *info;
-		info = &dbx500_regulator_info[i];
-
-		dev_vdbg(rdev_get_dev(info->rdev),
-			"regulator-%s-remove\n", info->desc.name);
-
-		regulator_unregister(info->rdev);
-	}
-
 	return 0;
 }