linux-kernel - [PATCH V4 12/14] regulator: tps6524x: use devm_regulator

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Date:	Mon, 30 Sep 2013 09:58:36 +0900
From:	Jingoo Han <jg1.han@...sung.com>
To:	'Mark Brown' <broonie@...nel.org>
Cc:	'Liam Girdwood' <lgirdwood@...il.com>,
	linux-kernel@...r.kernel.org, 'Jingoo Han' <jg1.han@...sung.com>,
	'Axel Lin' <axel.lin@...ics.com>
Subject: [PATCH V4 12/14] regulator: tps6524x: use devm_regulator_register()

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

Signed-off-by: Jingoo Han <jg1.han@...sung.com>
Reviewed-by: Axel Lin <axel.lin@...ics.com>
---
 drivers/regulator/tps6524x-regulator.c |   31 +++++--------------------------
 1 file changed, 5 insertions(+), 26 deletions(-)

diff --git a/drivers/regulator/tps6524x-regulator.c b/drivers/regulator/tps6524x-regulator.c
index 8b9ee39..9f6bfda 100644
--- a/drivers/regulator/tps6524x-regulator.c
+++ b/drivers/regulator/tps6524x-regulator.c
@@ -577,20 +577,6 @@ static struct regulator_ops regulator_ops = {
 	.get_current_limit	= get_current_limit,
 };
 
-static int pmic_remove(struct spi_device *spi)
-{
-	struct tps6524x *hw = spi_get_drvdata(spi);
-	int i;
-
-	if (!hw)
-		return 0;
-	for (i = 0; i < N_REGULATORS; i++) {
-		regulator_unregister(hw->rdev[i]);
-		hw->rdev[i] = NULL;
-	}
-	return 0;
-}
-
 static int pmic_probe(struct spi_device *spi)
 {
 	struct tps6524x *hw;
@@ -598,7 +584,7 @@ static int pmic_probe(struct spi_device *spi)
 	const struct supply_info *info = supply_info;
 	struct regulator_init_data *init_data;
 	struct regulator_config config = { };
-	int ret = 0, i;
+	int i;
 
 	init_data = dev_get_platdata(dev);
 	if (!init_data) {
@@ -631,24 +617,17 @@ static int pmic_probe(struct spi_device *spi)
 		config.init_data = init_data;
 		config.driver_data = hw;
 
-		hw->rdev[i] = regulator_register(&hw->desc[i], &config);
-		if (IS_ERR(hw->rdev[i])) {
-			ret = PTR_ERR(hw->rdev[i]);
-			hw->rdev[i] = NULL;
-			goto fail;
-		}
+		hw->rdev[i] = devm_regulator_register(dev, &hw->desc[i],
+						      &config);
+		if (IS_ERR(hw->rdev[i]))
+			return PTR_ERR(hw->rdev[i]);
 	}
 
 	return 0;
-
-fail:
-	pmic_remove(spi);
-	return ret;
 }
 
 static struct spi_driver pmic_driver = {
 	.probe		= pmic_probe,
-	.remove		= pmic_remove,
 	.driver		= {
 		.name	= "tps6524x",
 		.owner	= THIS_MODULE,
-- 
1.7.10.4


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