14 files changed, 29 insertions, 189 deletions

diff --git a/drivers/regulator/ab3100.c b/drivers/regulator/ab3100.c
index 7d5eaa874b2d..77b46d0b37a6 100644
--- a/drivers/regulator/ab3100.c
+++ b/drivers/regulator/ab3100.c
@@ -535,7 +535,7 @@ static int ab3100_regulator_register(struct platform_device *pdev,
         config.dev = &pdev->dev;
         config.driver_data = reg;
 
-        rdev = regulator_register(desc, &config);
+        rdev = devm_regulator_register(&pdev->dev, desc, &config);
         if (IS_ERR(rdev)) {
                 err = PTR_ERR(rdev);
                 dev_err(&pdev->dev,
@@ -616,7 +616,6 @@ static int ab3100_regulators_remove(struct platform_device *pdev)
         for (i = 0; i < AB3100_NUM_REGULATORS; i++) {
                 struct ab3100_regulator *reg = &ab3100_regulators[i];
 
-                regulator_unregister(reg->rdev);
                 reg->rdev = NULL;
         }
         return 0;
diff --git a/drivers/regulator/ab8500-ext.c b/drivers/regulator/ab8500-ext.c
index 02ff691cdb8b..29c0faaf8eba 100644
--- a/drivers/regulator/ab8500-ext.c
+++ b/drivers/regulator/ab8500-ext.c
@@ -413,16 +413,12 @@ static int ab8500_ext_regulator_probe(struct platform_device *pdev)
                         &pdata->ext_regulator[i];
 
                 /* register regulator with framework */
-                info->rdev = regulator_register(&info->desc, &config);
+                info->rdev = devm_regulator_register(&pdev->dev, &info->desc,
+                                                     &config);
                 if (IS_ERR(info->rdev)) {
                         err = PTR_ERR(info->rdev);
                         dev_err(&pdev->dev, "failed to register regulator %s\n",
                                         info->desc.name);
-                        /* when we fail, un-register all earlier regulators */
-                        while (--i >= 0) {
-                                info = &ab8500_ext_regulator_info[i];
-                                regulator_unregister(info->rdev);
-                        }
                         return err;
                 }
 
@@ -433,26 +429,8 @@ static int ab8500_ext_regulator_probe(struct platform_device *pdev)
         return 0;
 }
 
-static int ab8500_ext_regulator_remove(struct platform_device *pdev)
-{
-        int i;
-
-        for (i = 0; i < ARRAY_SIZE(ab8500_ext_regulator_info); i++) {
-                struct ab8500_ext_regulator_info *info = NULL;
-                info = &ab8500_ext_regulator_info[i];
-
-                dev_vdbg(rdev_get_dev(info->rdev),
-                        "%s-remove\n", info->desc.name);
-
-                regulator_unregister(info->rdev);
-        }
-
-        return 0;
-}
-
 static struct platform_driver ab8500_ext_regulator_driver = {
         .probe = ab8500_ext_regulator_probe,
-        .remove = ab8500_ext_regulator_remove,
         .driver         = {
                 .name   = "ab8500-ext-regulator",
                 .owner  = THIS_MODULE,
diff --git a/drivers/regulator/da9063-regulator.c b/drivers/regulator/da9063-regulator.c
index 3d910f4f3a0e..56727eb745df 100644
--- 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;
 }
 
diff --git a/drivers/regulator/da9210-regulator.c b/drivers/regulator/da9210-regulator.c
index f7ccff14f763..6f5ecbe1132e 100644
--- a/drivers/regulator/da9210-regulator.c
+++ b/drivers/regulator/da9210-regulator.c
@@ -155,7 +155,7 @@ static int da9210_i2c_probe(struct i2c_client *i2c,
         config.regmap = chip->regmap;
         config.of_node = dev->of_node;
 
-        rdev = regulator_register(&da9210_reg, &config);
+        rdev = devm_regulator_register(&i2c->dev, &da9210_reg, &config);
         if (IS_ERR(rdev)) {
                 dev_err(&i2c->dev, "Failed to register DA9210 regulator\n");
                 return PTR_ERR(rdev);
@@ -168,13 +168,6 @@ static int da9210_i2c_probe(struct i2c_client *i2c,
         return 0;
 }
 
-static int da9210_i2c_remove(struct i2c_client *i2c)
-{
-        struct da9210 *chip = i2c_get_clientdata(i2c);
-        regulator_unregister(chip->rdev);
-        return 0;
-}
-
 static const struct i2c_device_id da9210_i2c_id[] = {
         {"da9210", 0},
         {},
@@ -188,7 +181,6 @@ static struct i2c_driver da9210_regulator_driver = {
                 .owner = THIS_MODULE,
         },
         .probe = da9210_i2c_probe,
-        .remove = da9210_i2c_remove,
         .id_table = da9210_i2c_id,
 };
 
diff --git a/drivers/regulator/lp872x.c b/drivers/regulator/lp872x.c
index 2b84b727a3c4..2e4734ff79fc 100644
--- a/drivers/regulator/lp872x.c
+++ b/drivers/regulator/lp872x.c
@@ -785,7 +785,7 @@ static int lp872x_regulator_register(struct lp872x *lp)
         struct regulator_desc *desc;
         struct regulator_config cfg = { };
         struct regulator_dev *rdev;
-        int i, ret;
+        int i;
 
         for (i = 0; i < lp->num_regulators; i++) {
                 desc = (lp->chipid == LP8720) ? &lp8720_regulator_desc[i] :
@@ -796,34 +796,16 @@ static int lp872x_regulator_register(struct lp872x *lp)
                 cfg.driver_data = lp;
                 cfg.regmap = lp->regmap;
 
-                rdev = regulator_register(desc, &cfg);
+                rdev = devm_regulator_register(lp->dev, desc, &cfg);
                 if (IS_ERR(rdev)) {
                         dev_err(lp->dev, "regulator register err");
-                        ret =  PTR_ERR(rdev);
-                        goto err;
+                        return PTR_ERR(rdev);
                 }
 
                 *(lp->regulators + i) = rdev;
         }
 
         return 0;
-err:
-        while (--i >= 0) {
-                rdev = *(lp->regulators + i);
-                regulator_unregister(rdev);
-        }
-        return ret;
-}
-
-static void lp872x_regulator_unregister(struct lp872x *lp)
-{
-        struct regulator_dev *rdev;
-        int i;
-
-        for (i = 0; i < lp->num_regulators; i++) {
-                rdev = *(lp->regulators + i);
-                regulator_unregister(rdev);
-        }
 }
 
 static const struct regmap_config lp872x_regmap_config = {
@@ -979,14 +961,6 @@ err_dev:
         return ret;
 }
 
-static int lp872x_remove(struct i2c_client *cl)
-{
-        struct lp872x *lp = i2c_get_clientdata(cl);
-
-        lp872x_regulator_unregister(lp);
-        return 0;
-}
-
 static const struct of_device_id lp872x_dt_ids[] = {
         { .compatible = "ti,lp8720", },
         { .compatible = "ti,lp8725", },
@@ -1008,7 +982,6 @@ static struct i2c_driver lp872x_driver = {
                 .of_match_table = of_match_ptr(lp872x_dt_ids),
         },
         .probe = lp872x_probe,
-        .remove = lp872x_remove,
         .id_table = lp872x_ids,
 };
 
diff --git a/drivers/regulator/lp8788-buck.c b/drivers/regulator/lp8788-buck.c
index 0b015f2a7fd9..948afc249e29 100644
--- a/drivers/regulator/lp8788-buck.c
+++ b/drivers/regulator/lp8788-buck.c
@@ -515,7 +515,7 @@ static int lp8788_buck_probe(struct platform_device *pdev)
         cfg.driver_data = buck;
         cfg.regmap = lp->regmap;
 
-        rdev = regulator_register(&lp8788_buck_desc[id], &cfg);
+        rdev = devm_regulator_register(&pdev->dev, &lp8788_buck_desc[id], &cfg);
         if (IS_ERR(rdev)) {
                 ret = PTR_ERR(rdev);
                 dev_err(&pdev->dev, "BUCK%d regulator register err = %d\n",
@@ -529,18 +529,8 @@ static int lp8788_buck_probe(struct platform_device *pdev)
         return 0;
 }
 
-static int lp8788_buck_remove(struct platform_device *pdev)
-{
-        struct lp8788_buck *buck = platform_get_drvdata(pdev);
-
-        regulator_unregister(buck->regulator);
-
-        return 0;
-}
-
 static struct platform_driver lp8788_buck_driver = {
         .probe = lp8788_buck_probe,
-        .remove = lp8788_buck_remove,
         .driver = {
                 .name = LP8788_DEV_BUCK,
                 .owner = THIS_MODULE,
diff --git a/drivers/regulator/lp8788-ldo.c b/drivers/regulator/lp8788-ldo.c
index 0527d87c6dd5..b9a29a29933f 100644
--- a/drivers/regulator/lp8788-ldo.c
+++ b/drivers/regulator/lp8788-ldo.c
@@ -543,7 +543,7 @@ static int lp8788_dldo_probe(struct platform_device *pdev)
         cfg.driver_data = ldo;
         cfg.regmap = lp->regmap;
 
-        rdev = regulator_register(&lp8788_dldo_desc[id], &cfg);
+        rdev = devm_regulator_register(&pdev->dev, &lp8788_dldo_desc[id], &cfg);
         if (IS_ERR(rdev)) {
                 ret = PTR_ERR(rdev);
                 dev_err(&pdev->dev, "DLDO%d regulator register err = %d\n",
@@ -557,18 +557,8 @@ static int lp8788_dldo_probe(struct platform_device *pdev)
         return 0;
 }
 
-static int lp8788_dldo_remove(struct platform_device *pdev)
-{
-        struct lp8788_ldo *ldo = platform_get_drvdata(pdev);
-
-        regulator_unregister(ldo->regulator);
-
-        return 0;
-}
-
 static struct platform_driver lp8788_dldo_driver = {
         .probe = lp8788_dldo_probe,
-        .remove = lp8788_dldo_remove,
         .driver = {
                 .name = LP8788_DEV_DLDO,
                 .owner = THIS_MODULE,
@@ -603,7 +593,7 @@ static int lp8788_aldo_probe(struct platform_device *pdev)
         cfg.driver_data = ldo;
         cfg.regmap = lp->regmap;
 
-        rdev = regulator_register(&lp8788_aldo_desc[id], &cfg);
+        rdev = devm_regulator_register(&pdev->dev, &lp8788_aldo_desc[id], &cfg);
         if (IS_ERR(rdev)) {
                 ret = PTR_ERR(rdev);
                 dev_err(&pdev->dev, "ALDO%d regulator register err = %d\n",
@@ -617,18 +607,8 @@ static int lp8788_aldo_probe(struct platform_device *pdev)
         return 0;
 }
 
-static int lp8788_aldo_remove(struct platform_device *pdev)
-{
-        struct lp8788_ldo *ldo = platform_get_drvdata(pdev);
-
-        regulator_unregister(ldo->regulator);
-
-        return 0;
-}
-
 static struct platform_driver lp8788_aldo_driver = {
         .probe = lp8788_aldo_probe,
-        .remove = lp8788_aldo_remove,
         .driver = {
                 .name = LP8788_DEV_ALDO,
                 .owner = THIS_MODULE,
diff --git a/drivers/regulator/max8925-regulator.c b/drivers/regulator/max8925-regulator.c
index d80b5fa758ae..759510789e71 100644
--- a/drivers/regulator/max8925-regulator.c
+++ b/drivers/regulator/max8925-regulator.c
@@ -312,7 +312,7 @@ static int max8925_regulator_probe(struct platform_device *pdev)
                 if (pdata)
                         config.init_data = pdata;
 
-        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);
@@ -323,22 +323,12 @@ static int max8925_regulator_probe(struct platform_device *pdev)
         return 0;
 }
 
-static int max8925_regulator_remove(struct platform_device *pdev)
-{
-        struct regulator_dev *rdev = platform_get_drvdata(pdev);
-
-        regulator_unregister(rdev);
-
-        return 0;
-}
-
 static struct platform_driver max8925_regulator_driver = {
         .driver         = {
                 .name   = "max8925-regulator",
                 .owner  = THIS_MODULE,
         },
         .probe          = max8925_regulator_probe,
-        .remove         = max8925_regulator_remove,
 };
 
 static int __init max8925_regulator_init(void)
diff --git a/drivers/regulator/pcap-regulator.c b/drivers/regulator/pcap-regulator.c
index b49eaeedea84..3727b7d0e9ac 100644
--- a/drivers/regulator/pcap-regulator.c
+++ b/drivers/regulator/pcap-regulator.c
@@ -246,7 +246,8 @@ static int pcap_regulator_probe(struct platform_device *pdev)
         config.init_data = dev_get_platdata(&pdev->dev);
         config.driver_data = pcap;
 
-        rdev = regulator_register(&pcap_regulators[pdev->id], &config);
+        rdev = devm_regulator_register(&pdev->dev, &pcap_regulators[pdev->id],
+                                       &config);
         if (IS_ERR(rdev))
                 return PTR_ERR(rdev);
 
@@ -255,22 +256,12 @@ static int pcap_regulator_probe(struct platform_device *pdev)
         return 0;
 }
 
-static int pcap_regulator_remove(struct platform_device *pdev)
-{
-        struct regulator_dev *rdev = platform_get_drvdata(pdev);
-
-        regulator_unregister(rdev);
-
-        return 0;
-}
-
 static struct platform_driver pcap_regulator_driver = {
         .driver = {
                 .name   = "pcap-regulator",
                 .owner  = THIS_MODULE,
         },
         .probe  = pcap_regulator_probe,
-        .remove = pcap_regulator_remove,
 };
 
 static int __init pcap_regulator_init(void)
diff --git a/drivers/regulator/pcf50633-regulator.c b/drivers/regulator/pcf50633-regulator.c
index 0f3576d48abf..d7da1c15a6da 100644
--- a/drivers/regulator/pcf50633-regulator.c
+++ b/drivers/regulator/pcf50633-regulator.c
@@ -90,7 +90,8 @@ static int pcf50633_regulator_probe(struct platform_device *pdev)
         config.driver_data = pcf;
         config.regmap = pcf->regmap;
 
-        rdev = regulator_register(&regulators[pdev->id], &config);
+        rdev = devm_regulator_register(&pdev->dev, &regulators[pdev->id],
+                                       &config);
         if (IS_ERR(rdev))
                 return PTR_ERR(rdev);
 
@@ -102,21 +103,11 @@ static int pcf50633_regulator_probe(struct platform_device *pdev)
         return 0;
 }
 
-static int pcf50633_regulator_remove(struct platform_device *pdev)
-{
-        struct regulator_dev *rdev = platform_get_drvdata(pdev);
-
-        regulator_unregister(rdev);
-
-        return 0;
-}
-
 static struct platform_driver pcf50633_regulator_driver = {
         .driver = {
                 .name = "pcf50633-regltr",
         },
         .probe = pcf50633_regulator_probe,
-        .remove = pcf50633_regulator_remove,
 };
 
 static int __init pcf50633_regulator_init(void)
diff --git a/drivers/regulator/tps6105x-regulator.c b/drivers/regulator/tps6105x-regulator.c
index ec9453ffb77f..e0e818d89f46 100644
--- a/drivers/regulator/tps6105x-regulator.c
+++ b/drivers/regulator/tps6105x-regulator.c
@@ -146,8 +146,9 @@ static int tps6105x_regulator_probe(struct platform_device *pdev)
         config.driver_data = tps6105x;
 
         /* Register regulator with framework */
-        tps6105x->regulator = regulator_register(&tps6105x_regulator_desc,
-                                                 &config);
+        tps6105x->regulator = devm_regulator_register(&pdev->dev,
+                                                      &tps6105x_regulator_desc,
+                                                      &config);
         if (IS_ERR(tps6105x->regulator)) {
                 ret = PTR_ERR(tps6105x->regulator);
                 dev_err(&tps6105x->client->dev,
@@ -159,20 +160,12 @@ static int tps6105x_regulator_probe(struct platform_device *pdev)
         return 0;
 }
 
-static int tps6105x_regulator_remove(struct platform_device *pdev)
-{
-        struct tps6105x *tps6105x = dev_get_platdata(&pdev->dev);
-        regulator_unregister(tps6105x->regulator);
-        return 0;
-}
-
 static struct platform_driver tps6105x_regulator_driver = {
         .driver = {
                 .name  = "tps6105x-regulator",
                 .owner = THIS_MODULE,
         },
         .probe = tps6105x_regulator_probe,
-        .remove = tps6105x_regulator_remove,
 };
 
 static __init int tps6105x_regulator_init(void)
diff --git a/drivers/regulator/tps6524x-regulator.c b/drivers/regulator/tps6524x-regulator.c
index 62e8d28beabd..9f6bfda711b7 100644
--- a/drivers/regulator/tps6524x-regulator.c
+++ b/drivers/regulator/tps6524x-regulator.c
@@ -577,21 +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;
-        }
-        spi_set_drvdata(spi, NULL);
-        return 0;
-}
-
 static int pmic_probe(struct spi_device *spi)
 {
         struct tps6524x *hw;
@@ -599,7 +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) {
@@ -632,24 +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,
diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c
index 78aae4cbb004..8ebd785485c7 100644
--- a/drivers/regulator/twl-regulator.c
+++ b/drivers/regulator/twl-regulator.c
@@ -1188,7 +1188,7 @@ static int twlreg_probe(struct platform_device *pdev)
         config.driver_data = info;
         config.of_node = pdev->dev.of_node;
 
-        rdev = regulator_register(&info->desc, &config);
+        rdev = devm_regulator_register(&pdev->dev, &info->desc, &config);
         if (IS_ERR(rdev)) {
                 dev_err(&pdev->dev, "can't register %s, %ld\n",
                                 info->desc.name, PTR_ERR(rdev));
@@ -1217,7 +1217,6 @@ static int twlreg_remove(struct platform_device *pdev)
         struct regulator_dev *rdev = platform_get_drvdata(pdev);
         struct twlreg_info *info = rdev->reg_data;
 
-        regulator_unregister(rdev);
         kfree(info);
         return 0;
 }
diff --git a/drivers/regulator/vexpress.c b/drivers/regulator/vexpress.c
index 4668c7f8133d..f3ae28a7e663 100644
--- a/drivers/regulator/vexpress.c
+++ b/drivers/regulator/vexpress.c
@@ -96,7 +96,7 @@ static int vexpress_regulator_probe(struct platform_device *pdev)
         config.driver_data = reg;
         config.of_node = pdev->dev.of_node;
 
-        reg->regdev = regulator_register(&reg->desc, &config);
+        reg->regdev = devm_regulator_register(&pdev->dev, &reg->desc, &config);
         if (IS_ERR(reg->regdev)) {
                 err = PTR_ERR(reg->regdev);
                 goto error_regulator_register;
@@ -119,7 +119,6 @@ static int vexpress_regulator_remove(struct platform_device *pdev)
         struct vexpress_regulator *reg = platform_get_drvdata(pdev);
 
         vexpress_config_func_put(reg->func);
-        regulator_unregister(reg->regdev);
 
         return 0;
 }