linux-kernel - [PATCH 6/7] regulator: rc5t583: Use devm_regulator

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Date:	Wed,  4 Sep 2013 12:01:02 +0530
From:	Sachin Kamat <sachin.kamat@...aro.org>
To:	linux-kernel@...r.kernel.org
Cc:	broonie@...nel.org, sachin.kamat@...aro.org, nm@...com,
	ldewangan@...dia.com, gg@...mlogic.co.uk, yong.shen@...aro.org,
	s.hauer@...gutronix.de, marek.vasut@...il.com,
	Nancy.Chen@...escale.com
Subject: [PATCH 6/7] regulator: rc5t583: Use devm_regulator_register

devm_* simplifies the code.

Signed-off-by: Sachin Kamat <sachin.kamat@...aro.org>
---
 drivers/regulator/rc5t583-regulator.c |   22 ++--------------------
 1 file changed, 2 insertions(+), 20 deletions(-)

diff --git a/drivers/regulator/rc5t583-regulator.c b/drivers/regulator/rc5t583-regulator.c
index 5885b45..b58affb 100644
--- a/drivers/regulator/rc5t583-regulator.c
+++ b/drivers/regulator/rc5t583-regulator.c
@@ -173,33 +173,16 @@ skip_ext_pwr_config:
 		config.driver_data = reg;
 		config.regmap = rc5t583->regmap;
 
-		rdev = regulator_register(&ri->desc, &config);
+		rdev = devm_regulator_register(&pdev->dev, &ri->desc, &config);
 		if (IS_ERR(rdev)) {
 			dev_err(&pdev->dev, "Failed to register regulator %s\n",
 						ri->desc.name);
-			ret = PTR_ERR(rdev);
-			goto clean_exit;
+			return PTR_ERR(rdev);
 		}
 		reg->rdev = rdev;
 	}
 	platform_set_drvdata(pdev, regs);
 	return 0;
-
-clean_exit:
-	while (--id >= 0)
-		regulator_unregister(regs[id].rdev);
-
-	return ret;
-}
-
-static int rc5t583_regulator_remove(struct platform_device *pdev)
-{
-	struct rc5t583_regulator *regs = platform_get_drvdata(pdev);
-	int id;
-
-	for (id = 0; id < RC5T583_REGULATOR_MAX; ++id)
-		regulator_unregister(regs[id].rdev);
-	return 0;
 }
 
 static struct platform_driver rc5t583_regulator_driver = {
@@ -208,7 +191,6 @@ static struct platform_driver rc5t583_regulator_driver = {
 		.owner	= THIS_MODULE,
 	},
 	.probe		= rc5t583_regulator_probe,
-	.remove		= rc5t583_regulator_remove,
 };
 
 static int __init rc5t583_regulator_init(void)
-- 
1.7.9.5

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