[PATCH 07/10] regulator: tps6586x: Use devm_regulator_register

From: Sachin Kamat
Date: Wed Sep 04 2013 - 08:07:19 EST


devm_* simplifies the code.

Signed-off-by: Sachin Kamat <sachin.kamat@xxxxxxxxxx>
---
drivers/regulator/tps6586x-regulator.c | 31 ++++++-------------------------
1 file changed, 6 insertions(+), 25 deletions(-)

diff --git a/drivers/regulator/tps6586x-regulator.c b/drivers/regulator/tps6586x-regulator.c
index 2c9155b..45e5d68 100644
--- a/drivers/regulator/tps6586x-regulator.c
+++ b/drivers/regulator/tps6586x-regulator.c
@@ -379,15 +379,14 @@ static int tps6586x_regulator_probe(struct platform_device *pdev)
ri = find_regulator_info(id);
if (!ri) {
dev_err(&pdev->dev, "invalid regulator ID specified\n");
- err = -EINVAL;
- goto fail;
+ return -EINVAL;
}

err = tps6586x_regulator_preinit(pdev->dev.parent, ri);
if (err) {
dev_err(&pdev->dev,
"regulator %d preinit failed, e %d\n", id, err);
- goto fail;
+ return err;
}

config.dev = pdev->dev.parent;
@@ -397,12 +396,12 @@ static int tps6586x_regulator_probe(struct platform_device *pdev)
if (tps6586x_reg_matches)
config.of_node = tps6586x_reg_matches[id].of_node;

- rdev[id] = regulator_register(&ri->desc, &config);
+ rdev[id] = devm_regulator_register(&pdev->dev, &ri->desc,
+ &config);
if (IS_ERR(rdev[id])) {
dev_err(&pdev->dev, "failed to register regulator %s\n",
ri->desc.name);
- err = PTR_ERR(rdev[id]);
- goto fail;
+ return PTR_ERR(rdev[id]);
}

if (reg_data) {
@@ -411,30 +410,13 @@ static int tps6586x_regulator_probe(struct platform_device *pdev)
if (err < 0) {
dev_err(&pdev->dev,
"Slew rate config failed, e %d\n", err);
- regulator_unregister(rdev[id]);
- goto fail;
+ return err;
}
}
}

platform_set_drvdata(pdev, rdev);
return 0;
-
-fail:
- while (--id >= 0)
- regulator_unregister(rdev[id]);
- return err;
-}
-
-static int tps6586x_regulator_remove(struct platform_device *pdev)
-{
- struct regulator_dev **rdev = platform_get_drvdata(pdev);
- int id = TPS6586X_ID_MAX_REGULATOR;
-
- while (--id >= 0)
- regulator_unregister(rdev[id]);
-
- return 0;
}

static struct platform_driver tps6586x_regulator_driver = {
@@ -443,7 +425,6 @@ static struct platform_driver tps6586x_regulator_driver = {
.owner = THIS_MODULE,
},
.probe = tps6586x_regulator_probe,
- .remove = tps6586x_regulator_remove,
};

static int __init tps6586x_regulator_init(void)
--
1.7.9.5

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