regulator: da9063: use devm_regulator_register()

Use devm_regulator_register() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

diff --git a/drivers/regulator/da9063-regulator.c b/drivers/regulator/da9063-regulator.c
index 1a78163907734be9e1e49bd3bca6e2fc19e7b6c7..62b846916e225def7e7cdda2d1ef8d26c33b0919 100644 (file)
--- a/drivers/regulator/da9063-regulator.c
+++ b/drivers/regulator/da9063-regulator.c
@@ -847,13 +847,13 @@ static int da9063_regulator_probe(struct platform_device *pdev)
                if (da9063_reg_matches)
                        config.of_node = da9063_reg_matches[id].of_node;
                config.regmap = da9063->regmap;
-               regl->rdev = regulator_register(&regl->desc, &config);
+               regl->rdev = devm_regulator_register(&pdev->dev, &regl->desc,
+                                                    &config);
                if (IS_ERR(regl->rdev)) {
                        dev_err(&pdev->dev,
                                "Failed to register %s regulator\n",
                                regl->desc.name);
-                       ret = PTR_ERR(regl->rdev);
-                       goto err;
+                       return PTR_ERR(regl->rdev);
                }
                id++;
                n++;
@@ -862,9 +862,8 @@ static int da9063_regulator_probe(struct platform_device *pdev)
        /* LDOs overcurrent event support */
        irq = platform_get_irq_byname(pdev, "LDO_LIM");
        if (irq < 0) {
-               ret = irq;
                dev_err(&pdev->dev, "Failed to get IRQ.\n");
-               goto err;
+               return irq;
        }
 
        regulators->irq_ldo_lim = regmap_irq_get_virq(da9063->regmap_irq, irq);
@@ -881,27 +880,15 @@ static int da9063_regulator_probe(struct platform_device *pdev)
        }
 
        return 0;
-
-err:
-       /* Wind back regulators registeration */
-       while (--n >= 0)
-               regulator_unregister(regulators->regulator[n].rdev);
-
-       return ret;
 }
 
 static int da9063_regulator_remove(struct platform_device *pdev)
 {
        struct da9063_regulators *regulators = platform_get_drvdata(pdev);
-       struct da9063_regulator *regl;
 
        free_irq(regulators->irq_ldo_lim, regulators);
        free_irq(regulators->irq_uvov, regulators);
 
-       for (regl = &regulators->regulator[regulators->n_regulators - 1];
-            regl >= &regulators->regulator[0]; regl--)
-               regulator_unregister(regl->rdev);
-
        return 0;
 }