regulator: mc13783: Use devm_regulator_register

devm_* simplifies the code.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Marek Vasut <marex@denx.de>
Signed-off-by: Mark Brown <broonie@linaro.org>

diff --git a/drivers/regulator/mc13783-regulator.c b/drivers/regulator/mc13783-regulator.c
index 5ff99d2..f036b26 100644 (file)
--- a/drivers/regulator/mc13783-regulator.c
+++ b/drivers/regulator/mc13783-regulator.c
@@ -400,7 +400,7 @@ static int mc13783_regulator_probe(struct platform_device *pdev)
                dev_get_platdata(&pdev->dev);
        struct mc13xxx_regulator_init_data *mc13xxx_data;
        struct regulator_config config = { };
-       int i, ret, num_regulators;
+       int i, num_regulators;
 
        num_regulators = mc13xxx_get_num_regulators_dt(pdev);
 
@@ -444,32 +444,16 @@ static int mc13783_regulator_probe(struct platform_device *pdev)
                config.driver_data = priv;
                config.of_node = node;
 
-               priv->regulators[i] = regulator_register(desc, &config);
+               priv->regulators[i] = devm_regulator_register(&pdev->dev, desc,
+                                                             &config);
                if (IS_ERR(priv->regulators[i])) {
                        dev_err(&pdev->dev, "failed to register regulator %s\n",
                                mc13783_regulators[i].desc.name);
-                       ret = PTR_ERR(priv->regulators[i]);
-                       goto err;
+                       return PTR_ERR(priv->regulators[i]);
                }
        }
 
        return 0;
-err:
-       while (--i >= 0)
-               regulator_unregister(priv->regulators[i]);
-
-       return ret;
-}
-
-static int mc13783_regulator_remove(struct platform_device *pdev)
-{
-       struct mc13xxx_regulator_priv *priv = platform_get_drvdata(pdev);
-       int i;
-
-       for (i = 0; i < priv->num_regulators; i++)
-               regulator_unregister(priv->regulators[i]);
-
-       return 0;
 }
 
 static struct platform_driver mc13783_regulator_driver = {
@@ -477,7 +461,6 @@ static struct platform_driver mc13783_regulator_driver = {
                .name   = "mc13783-regulator",
                .owner  = THIS_MODULE,
        },
-       .remove         = mc13783_regulator_remove,
        .probe          = mc13783_regulator_probe,
 };