regulator: pcap: use devm_regulator_register()

Use devm_regulator_register() to make cleanup paths simpler,
and remove unnecessary remove().

Signed-off-by: Jingoo Han <[e-mail]>
Signed-off-by: Mark Brown <[e-mail]>

drivers/regulator/pcap-regulator.c

···
 	config.init_data = dev_get_platdata(&pdev->dev);
 	config.driver_data = pcap;
 
-	rdev = regulator_register(&pcap_regulators[pdev->id], &config);
+	rdev = devm_regulator_register(&pdev->dev, &pcap_regulators[pdev->id],
+				       &config);
 	if (IS_ERR(rdev))
 		return PTR_ERR(rdev);
 
 	platform_set_drvdata(pdev, rdev);
-
-	return 0;
-}
-
-static int pcap_regulator_remove(struct platform_device *pdev)
-{
-	struct regulator_dev *rdev = platform_get_drvdata(pdev);
-
-	regulator_unregister(rdev);
 
 	return 0;
 }
···
 		.owner	= THIS_MODULE,
 	},
 	.probe	= pcap_regulator_probe,
-	.remove	= pcap_regulator_remove,
 };
 
 static int __init pcap_regulator_init(void)