40 files changed, 188 insertions, 53 deletions

diff --git a/Documentation/devicetree/bindings/regulator/max8660.txt b/Documentation/devicetree/bindings/regulator/max8660.txt
new file mode 100644
index 000000000000..8ba994d8a142
--- /dev/null
+++ b/Documentation/devicetree/bindings/regulator/max8660.txt
@@ -0,0 +1,47 @@
+Maxim MAX8660 voltage regulator
+
+Required properties:
+- compatible: must be one of "maxim,max8660", "maxim,max8661"
+- reg: I2C slave address, usually 0x34
+- any required generic properties defined in regulator.txt
+
+Example:
+
+        i2c_master {
+                max8660@34 {
+                        compatible = "maxim,max8660";
+                        reg = <0x34>;
+
+                        regulators {
+                                regulator@0 {
+                                        regulator-compatible= "V3(DCDC)";
+                                        regulator-min-microvolt = <725000>;
+                                        regulator-max-microvolt = <1800000>;
+                                };
+
+                                regulator@1 {
+                                        regulator-compatible= "V4(DCDC)";
+                                        regulator-min-microvolt = <725000>;
+                                        regulator-max-microvolt = <1800000>;
+                                };
+
+                                regulator@2 {
+                                        regulator-compatible= "V5(LDO)";
+                                        regulator-min-microvolt = <1700000>;
+                                        regulator-max-microvolt = <2000000>;
+                                };
+
+                                regulator@3 {
+                                        regulator-compatible= "V6(LDO)";
+                                        regulator-min-microvolt = <1800000>;
+                                        regulator-max-microvolt = <3300000>;
+                                };
+
+                                regulator@4 {
+                                        regulator-compatible= "V7(LDO)";
+                                        regulator-min-microvolt = <1800000>;
+                                        regulator-max-microvolt = <3300000>;
+                                };
+                        };
+                };
+        };
diff --git a/drivers/regulator/88pm800.c b/drivers/regulator/88pm800.c
index b30f5ce659d1..3459f60dcfd1 100644
--- a/drivers/regulator/88pm800.c
+++ b/drivers/regulator/88pm800.c
@@ -283,7 +283,7 @@ static int pm800_regulator_dt_init(struct platform_device *pdev)
 static int pm800_regulator_probe(struct platform_device *pdev)
 {
         struct pm80x_chip *chip = dev_get_drvdata(pdev->dev.parent);
-        struct pm80x_platform_data *pdata = pdev->dev.parent->platform_data;
+        struct pm80x_platform_data *pdata = dev_get_platdata(pdev->dev.parent);
         struct pm800_regulators *pm800_data;
         struct pm800_regulator_info *info;
         struct regulator_config config = { };
diff --git a/drivers/regulator/88pm8607.c b/drivers/regulator/88pm8607.c
index 8a7cb1f43046..70230974468c 100644
--- a/drivers/regulator/88pm8607.c
+++ b/drivers/regulator/88pm8607.c
@@ -346,7 +346,7 @@ static int pm8607_regulator_probe(struct platform_device *pdev)
 {
         struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
         struct pm8607_regulator_info *info = NULL;
-        struct regulator_init_data *pdata = pdev->dev.platform_data;
+        struct regulator_init_data *pdata = dev_get_platdata(&pdev->dev);
         struct regulator_config config = { };
         struct resource *res;
         int i;
diff --git a/drivers/regulator/aat2870-regulator.c b/drivers/regulator/aat2870-regulator.c
index 8b5876356db9..881159dfcb5e 100644
--- a/drivers/regulator/aat2870-regulator.c
+++ b/drivers/regulator/aat2870-regulator.c
@@ -174,7 +174,7 @@ static int aat2870_regulator_probe(struct platform_device *pdev)
 
         config.dev = &pdev->dev;
         config.driver_data = ri;
-        config.init_data = pdev->dev.platform_data;
+        config.init_data = dev_get_platdata(&pdev->dev);
 
         rdev = regulator_register(&ri->desc, &config);
         if (IS_ERR(rdev)) {
diff --git a/drivers/regulator/ab3100.c b/drivers/regulator/ab3100.c
index 3be9e46594a1..7d5eaa874b2d 100644
--- a/drivers/regulator/ab3100.c
+++ b/drivers/regulator/ab3100.c
@@ -660,7 +660,7 @@ ab3100_regulator_of_probe(struct platform_device *pdev, struct device_node *np)
 
 static int ab3100_regulators_probe(struct platform_device *pdev)
 {
-        struct ab3100_platform_data *plfdata = pdev->dev.platform_data;
+        struct ab3100_platform_data *plfdata = dev_get_platdata(&pdev->dev);
         struct device_node *np = pdev->dev.of_node;
         int err = 0;
         u8 data;
diff --git a/drivers/regulator/ad5398.c b/drivers/regulator/ad5398.c
index 6b981b5faa70..b2b203cb6b2f 100644
--- a/drivers/regulator/ad5398.c
+++ b/drivers/regulator/ad5398.c
@@ -214,7 +214,7 @@ MODULE_DEVICE_TABLE(i2c, ad5398_id);
 static int ad5398_probe(struct i2c_client *client,
                                 const struct i2c_device_id *id)
 {
-        struct regulator_init_data *init_data = client->dev.platform_data;
+        struct regulator_init_data *init_data = dev_get_platdata(&client->dev);
         struct regulator_config config = { };
         struct ad5398_chip_info *chip;
         const struct ad5398_current_data_format *df =
diff --git a/drivers/regulator/da903x.c b/drivers/regulator/da903x.c
index 1378a242a3af..f06854cf8cf5 100644
--- a/drivers/regulator/da903x.c
+++ b/drivers/regulator/da903x.c
@@ -460,7 +460,7 @@ static int da903x_regulator_probe(struct platform_device *pdev)
                 ri->desc.ops = &da9030_regulator_ldo1_15_ops;
 
         config.dev = &pdev->dev;
-        config.init_data = pdev->dev.platform_data;
+        config.init_data = dev_get_platdata(&pdev->dev);
         config.driver_data = ri;
 
         rdev = regulator_register(&ri->desc, &config);
diff --git a/drivers/regulator/da9052-regulator.c b/drivers/regulator/da9052-regulator.c
index 96b569abb46c..1e4d483f6163 100644
--- a/drivers/regulator/da9052-regulator.c
+++ b/drivers/regulator/da9052-regulator.c
@@ -349,7 +349,7 @@ static int da9052_regulator_probe(struct platform_device *pdev)
                 return -ENOMEM;
 
         da9052 = dev_get_drvdata(pdev->dev.parent);
-        pdata = da9052->dev->platform_data;
+        pdata = dev_get_platdata(da9052->dev);
         regulator->da9052 = da9052;
 
         regulator->info = find_regulator_info(regulator->da9052->chip_id,
diff --git a/drivers/regulator/da9055-regulator.c b/drivers/regulator/da9055-regulator.c
index 30221099d09c..77b53e5a231c 100644
--- a/drivers/regulator/da9055-regulator.c
+++ b/drivers/regulator/da9055-regulator.c
@@ -535,7 +535,7 @@ static int da9055_regulator_probe(struct platform_device *pdev)
         struct regulator_config config = { };
         struct da9055_regulator *regulator;
         struct da9055 *da9055 = dev_get_drvdata(pdev->dev.parent);
-        struct da9055_pdata *pdata = da9055->dev->platform_data;
+        struct da9055_pdata *pdata = dev_get_platdata(da9055->dev);
         int ret, irq;
 
         if (pdata == NULL || pdata->regulators[pdev->id] == NULL)
diff --git a/drivers/regulator/fan53555.c b/drivers/regulator/fan53555.c
index f0e1ae52bb05..a32b44272a05 100644
--- a/drivers/regulator/fan53555.c
+++ b/drivers/regulator/fan53555.c
@@ -237,7 +237,7 @@ static int fan53555_regulator_probe(struct i2c_client *client,
         unsigned int val;
         int ret;
 
-        pdata = client->dev.platform_data;
+        pdata = dev_get_platdata(&client->dev);
         if (!pdata || !pdata->regulator) {
                 dev_err(&client->dev, "Platform data not found!\n");
                 return -ENODEV;
diff --git a/drivers/regulator/fixed.c b/drivers/regulator/fixed.c
index e5c03b534fae..7610920014d7 100644
--- a/drivers/regulator/fixed.c
+++ b/drivers/regulator/fixed.c
@@ -146,7 +146,7 @@ static int reg_fixed_voltage_probe(struct platform_device *pdev)
                 if (IS_ERR(config))
                         return PTR_ERR(config);
         } else {
-                config = pdev->dev.platform_data;
+                config = dev_get_platdata(&pdev->dev);
         }
 
         if (!config)
diff --git a/drivers/regulator/gpio-regulator.c b/drivers/regulator/gpio-regulator.c
index 9d39eb4aafa3..98a98ffa7fe0 100644
--- a/drivers/regulator/gpio-regulator.c
+++ b/drivers/regulator/gpio-regulator.c
@@ -219,7 +219,7 @@ static struct regulator_ops gpio_regulator_current_ops = {
 
 static int gpio_regulator_probe(struct platform_device *pdev)
 {
-        struct gpio_regulator_config *config = pdev->dev.platform_data;
+        struct gpio_regulator_config *config = dev_get_platdata(&pdev->dev);
         struct device_node *np = pdev->dev.of_node;
         struct gpio_regulator_data *drvdata;
         struct regulator_config cfg = { };
diff --git a/drivers/regulator/isl6271a-regulator.c b/drivers/regulator/isl6271a-regulator.c
index b99c49b9aff0..88c1a3acf563 100644
--- a/drivers/regulator/isl6271a-regulator.c
+++ b/drivers/regulator/isl6271a-regulator.c
@@ -110,7 +110,7 @@ static int isl6271a_probe(struct i2c_client *i2c,
                                      const struct i2c_device_id *id)
 {
         struct regulator_config config = { };
-        struct regulator_init_data *init_data   = i2c->dev.platform_data;
+        struct regulator_init_data *init_data   = dev_get_platdata(&i2c->dev);
         struct isl_pmic *pmic;
         int err, i;
 
diff --git a/drivers/regulator/lp3971.c b/drivers/regulator/lp3971.c
index 3809b4381606..5a4604ee5ea5 100644
--- a/drivers/regulator/lp3971.c
+++ b/drivers/regulator/lp3971.c
@@ -425,7 +425,7 @@ static int lp3971_i2c_probe(struct i2c_client *i2c,
                             const struct i2c_device_id *id)
 {
         struct lp3971 *lp3971;
-        struct lp3971_platform_data *pdata = i2c->dev.platform_data;
+        struct lp3971_platform_data *pdata = dev_get_platdata(&i2c->dev);
         int ret;
         u16 val;
 
diff --git a/drivers/regulator/lp3972.c b/drivers/regulator/lp3972.c
index 573024039ca0..093e6f44ff8a 100644
--- a/drivers/regulator/lp3972.c
+++ b/drivers/regulator/lp3972.c
@@ -519,7 +519,7 @@ static int lp3972_i2c_probe(struct i2c_client *i2c,
                             const struct i2c_device_id *id)
 {
         struct lp3972 *lp3972;
-        struct lp3972_platform_data *pdata = i2c->dev.platform_data;
+        struct lp3972_platform_data *pdata = dev_get_platdata(&i2c->dev);
         int ret;
         u16 val;
 
diff --git a/drivers/regulator/lp872x.c b/drivers/regulator/lp872x.c
index 1018fb2020a9..2b84b727a3c4 100644
--- a/drivers/regulator/lp872x.c
+++ b/drivers/regulator/lp872x.c
@@ -962,7 +962,7 @@ static int lp872x_probe(struct i2c_client *cl, const struct i2c_device_id *id)
         }
 
         lp->dev = &cl->dev;
-        lp->pdata = cl->dev.platform_data;
+        lp->pdata = dev_get_platdata(&cl->dev);
         lp->chipid = id->driver_data;
         lp->num_regulators = num_regulators;
         i2c_set_clientdata(cl, lp);
diff --git a/drivers/regulator/lp8755.c b/drivers/regulator/lp8755.c
index b37ef303e29f..785a25e9a437 100644
--- a/drivers/regulator/lp8755.c
+++ b/drivers/regulator/lp8755.c
@@ -450,7 +450,7 @@ static int lp8755_probe(struct i2c_client *client,
 {
         int ret, icnt;
         struct lp8755_chip *pchip;
-        struct lp8755_platform_data *pdata = client->dev.platform_data;
+        struct lp8755_platform_data *pdata = dev_get_platdata(&client->dev);
 
         if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
                 dev_err(&client->dev, "i2c functionality check fail.\n");
diff --git a/drivers/regulator/max1586.c b/drivers/regulator/max1586.c
index 54af61015814..3a599ee0a456 100644
--- a/drivers/regulator/max1586.c
+++ b/drivers/regulator/max1586.c
@@ -163,7 +163,7 @@ static int max1586_pmic_probe(struct i2c_client *client,
                                         const struct i2c_device_id *i2c_id)
 {
         struct regulator_dev **rdev;
-        struct max1586_platform_data *pdata = client->dev.platform_data;
+        struct max1586_platform_data *pdata = dev_get_platdata(&client->dev);
         struct regulator_config config = { };
         struct max1586_data *max1586;
         int i, id, ret = -ENOMEM;
diff --git a/drivers/regulator/max8649.c b/drivers/regulator/max8649.c
index db6c9be10f3f..19c6f08eafd5 100644
--- a/drivers/regulator/max8649.c
+++ b/drivers/regulator/max8649.c
@@ -152,7 +152,7 @@ static struct regmap_config max8649_regmap_config = {
 static int max8649_regulator_probe(struct i2c_client *client,
                                              const struct i2c_device_id *id)
 {
-        struct max8649_platform_data *pdata = client->dev.platform_data;
+        struct max8649_platform_data *pdata = dev_get_platdata(&client->dev);
         struct max8649_regulator_info *info = NULL;
         struct regulator_config config = { };
         unsigned int val;
diff --git a/drivers/regulator/max8660.c b/drivers/regulator/max8660.c
index d428ef9a626f..144bcacd734d 100644
--- a/drivers/regulator/max8660.c
+++ b/drivers/regulator/max8660.c
@@ -44,6 +44,9 @@
 #include <linux/regulator/driver.h>
 #include <linux/slab.h>
 #include <linux/regulator/max8660.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/regulator/of_regulator.h>
 
 #define MAX8660_DCDC_MIN_UV      725000
 #define MAX8660_DCDC_MAX_UV     1800000
@@ -305,21 +308,105 @@ static const struct regulator_desc max8660_reg[] = {
         },
 };
 
+enum {
+        MAX8660 = 0,
+        MAX8661 = 1,
+};
+
+#ifdef CONFIG_OF
+static const struct of_device_id max8660_dt_ids[] = {
+        { .compatible = "maxim,max8660", .data = (void *) MAX8660 },
+        { .compatible = "maxim,max8661", .data = (void *) MAX8661 },
+        { }
+};
+MODULE_DEVICE_TABLE(of, max8660_dt_ids);
+
+static int max8660_pdata_from_dt(struct device *dev,
+                                 struct device_node **of_node,
+                                 struct max8660_platform_data *pdata)
+{
+        int matched, i;
+        struct device_node *np;
+        struct max8660_subdev_data *sub;
+        struct of_regulator_match rmatch[ARRAY_SIZE(max8660_reg)];
+
+        np = of_find_node_by_name(dev->of_node, "regulators");
+        if (!np) {
+                dev_err(dev, "missing 'regulators' subnode in DT\n");
+                return -EINVAL;
+        }
+
+        for (i = 0; i < ARRAY_SIZE(rmatch); i++)
+                rmatch[i].name = max8660_reg[i].name;
+
+        matched = of_regulator_match(dev, np, rmatch, ARRAY_SIZE(rmatch));
+        if (matched <= 0)
+                return matched;
+
+        pdata->subdevs = devm_kzalloc(dev, sizeof(struct max8660_subdev_data) *
+                                                matched, GFP_KERNEL);
+        if (!pdata->subdevs)
+                return -ENOMEM;
+
+        pdata->num_subdevs = matched;
+        sub = pdata->subdevs;
+
+        for (i = 0; i < matched; i++) {
+                sub->id = i;
+                sub->name = rmatch[i].name;
+                sub->platform_data = rmatch[i].init_data;
+                of_node[i] = rmatch[i].of_node;
+                sub++;
+        }
+
+        return 0;
+}
+#else
+static inline int max8660_pdata_from_dt(struct device *dev,
+                                        struct device_node **of_node,
+                                        struct max8660_platform_data *pdata)
+{
+        return 0;
+}
+#endif
+
 static int max8660_probe(struct i2c_client *client,
                                    const struct i2c_device_id *i2c_id)
 {
         struct regulator_dev **rdev;
-        struct max8660_platform_data *pdata = client->dev.platform_data;
+        struct device *dev = &client->dev;
+        struct max8660_platform_data *pdata = dev_get_platdata(dev);
         struct regulator_config config = { };
         struct max8660 *max8660;
         int boot_on, i, id, ret = -EINVAL;
+        struct device_node *of_node[MAX8660_V_END];
+        unsigned long type;
+
+        if (dev->of_node && !pdata) {
+                const struct of_device_id *id;
+                struct max8660_platform_data pdata_of;
+
+                id = of_match_device(of_match_ptr(max8660_dt_ids), dev);
+                if (!id)
+                        return -ENODEV;
+
+                ret = max8660_pdata_from_dt(dev, of_node, &pdata_of);
+                if (ret < 0)
+                        return ret;
+
+                pdata = &pdata_of;
+                type = (unsigned long) id->data;
+        } else {
+                type = i2c_id->driver_data;
+                memset(of_node, 0, sizeof(of_node));
+        }
 
         if (pdata->num_subdevs > MAX8660_V_END) {
-                dev_err(&client->dev, "Too many regulators found!\n");
+                dev_err(dev, "Too many regulators found!\n");
                 return -EINVAL;
         }
 
-        max8660 = devm_kzalloc(&client->dev, sizeof(struct max8660) +
+        max8660 = devm_kzalloc(dev, sizeof(struct max8660) +
                         sizeof(struct regulator_dev *) * MAX8660_V_END,
                         GFP_KERNEL);
         if (!max8660)
@@ -376,8 +463,8 @@ static int max8660_probe(struct i2c_client *client,
                         break;
 
                 case MAX8660_V7:
-                        if (!strcmp(i2c_id->name, "max8661")) {
-                                dev_err(&client->dev, "Regulator not on this chip!\n");
+                        if (type == MAX8661) {
+                                dev_err(dev, "Regulator not on this chip!\n");
                                 goto err_out;
                         }
 
@@ -386,7 +473,7 @@ static int max8660_probe(struct i2c_client *client,
                         break;
 
                 default:
-                        dev_err(&client->dev, "invalid regulator %s\n",
+                        dev_err(dev, "invalid regulator %s\n",
                                  pdata->subdevs[i].name);
                         goto err_out;
                 }
@@ -397,14 +484,15 @@ static int max8660_probe(struct i2c_client *client,
 
                 id = pdata->subdevs[i].id;
 
-                config.dev = &client->dev;
+                config.dev = dev;
                 config.init_data = pdata->subdevs[i].platform_data;
+                config.of_node = of_node[i];
                 config.driver_data = max8660;
 
                 rdev[i] = regulator_register(&max8660_reg[id], &config);
                 if (IS_ERR(rdev[i])) {
                         ret = PTR_ERR(rdev[i]);
-                        dev_err(&client->dev, "failed to register %s\n",
+                        dev_err(dev, "failed to register %s\n",
                                 max8660_reg[id].name);
                         goto err_unregister;
                 }
@@ -431,8 +519,8 @@ static int max8660_remove(struct i2c_client *client)
 }
 
 static const struct i2c_device_id max8660_id[] = {
-        { "max8660", 0 },
-        { "max8661", 0 },
+        { .name = "max8660", .driver_data = MAX8660 },
+        { .name = "max8661", .driver_data = MAX8661 },
         { }
 };
 MODULE_DEVICE_TABLE(i2c, max8660_id);
diff --git a/drivers/regulator/max8925-regulator.c b/drivers/regulator/max8925-regulator.c
index e6d54a546d36..d80b5fa758ae 100644
--- a/drivers/regulator/max8925-regulator.c
+++ b/drivers/regulator/max8925-regulator.c
@@ -277,7 +277,7 @@ static int max8925_regulator_dt_init(struct platform_device *pdev,
 static int max8925_regulator_probe(struct platform_device *pdev)
 {
         struct max8925_chip *chip = dev_get_drvdata(pdev->dev.parent);
-        struct regulator_init_data *pdata = pdev->dev.platform_data;
+        struct regulator_init_data *pdata = dev_get_platdata(&pdev->dev);
         struct regulator_config config = { };
         struct max8925_regulator_info *ri;
         struct resource *res;
diff --git a/drivers/regulator/max8952.c b/drivers/regulator/max8952.c
index 5259c2fea90a..788e5ae2af1b 100644
--- a/drivers/regulator/max8952.c
+++ b/drivers/regulator/max8952.c
@@ -196,7 +196,7 @@ static int max8952_pmic_probe(struct i2c_client *client,
                 const struct i2c_device_id *i2c_id)
 {
         struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
-        struct max8952_platform_data *pdata = client->dev.platform_data;
+        struct max8952_platform_data *pdata = dev_get_platdata(&client->dev);
         struct regulator_config config = { };
         struct max8952_data *max8952;
 
diff --git a/drivers/regulator/max8973-regulator.c b/drivers/regulator/max8973-regulator.c
index 0c5195a842e2..5b77ab7762e4 100644
--- a/drivers/regulator/max8973-regulator.c
+++ b/drivers/regulator/max8973-regulator.c
@@ -371,7 +371,7 @@ static int max8973_probe(struct i2c_client *client,
         struct max8973_chip *max;
         int ret;
 
-        pdata = client->dev.platform_data;
+        pdata = dev_get_platdata(&client->dev);
 
         if (!pdata && !client->dev.of_node) {
                 dev_err(&client->dev, "No Platform data");
diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c
index d0c87856dd25..e8877e4e5a5a 100644
--- a/drivers/regulator/palmas-regulator.c
+++ b/drivers/regulator/palmas-regulator.c
@@ -765,7 +765,7 @@ static void palmas_dt_to_pdata(struct device *dev,
 static int palmas_regulators_probe(struct platform_device *pdev)
 {
         struct palmas *palmas = dev_get_drvdata(pdev->dev.parent);
-        struct palmas_pmic_platform_data *pdata = pdev->dev.platform_data;
+        struct palmas_pmic_platform_data *pdata = dev_get_platdata(&pdev->dev);
         struct device_node *node = pdev->dev.of_node;
         struct regulator_dev *rdev;
         struct regulator_config config = { };
diff --git a/drivers/regulator/pcap-regulator.c b/drivers/regulator/pcap-regulator.c
index 1a73a297fe73..b49eaeedea84 100644
--- a/drivers/regulator/pcap-regulator.c
+++ b/drivers/regulator/pcap-regulator.c
@@ -243,7 +243,7 @@ static int pcap_regulator_probe(struct platform_device *pdev)
         struct regulator_config config = { };
 
         config.dev = &pdev->dev;
-        config.init_data = pdev->dev.platform_data;
+        config.init_data = dev_get_platdata(&pdev->dev);
         config.driver_data = pcap;
 
         rdev = regulator_register(&pcap_regulators[pdev->id], &config);
diff --git a/drivers/regulator/pcf50633-regulator.c b/drivers/regulator/pcf50633-regulator.c
index 54df9f7cb504..0f3576d48abf 100644
--- a/drivers/regulator/pcf50633-regulator.c
+++ b/drivers/regulator/pcf50633-regulator.c
@@ -86,7 +86,7 @@ static int pcf50633_regulator_probe(struct platform_device *pdev)
         pcf = dev_to_pcf50633(pdev->dev.parent);
 
         config.dev = &pdev->dev;
-        config.init_data = pdev->dev.platform_data;
+        config.init_data = dev_get_platdata(&pdev->dev);
         config.driver_data = pcf;
         config.regmap = pcf->regmap;
 
diff --git a/drivers/regulator/tps51632-regulator.c b/drivers/regulator/tps51632-regulator.c
index 6e67be75ea1b..9392a7ca3d2d 100644
--- a/drivers/regulator/tps51632-regulator.c
+++ b/drivers/regulator/tps51632-regulator.c
@@ -275,7 +275,7 @@ static int tps51632_probe(struct i2c_client *client,
                 }
         }
 
-        pdata = client->dev.platform_data;
+        pdata = dev_get_platdata(&client->dev);
         if (!pdata && client->dev.of_node)
                 pdata = of_get_tps51632_platform_data(&client->dev);
         if (!pdata) {
diff --git a/drivers/regulator/tps62360-regulator.c b/drivers/regulator/tps62360-regulator.c
index a490d5b749b2..0b7ebb1ebf85 100644
--- a/drivers/regulator/tps62360-regulator.c
+++ b/drivers/regulator/tps62360-regulator.c
@@ -350,7 +350,7 @@ static int tps62360_probe(struct i2c_client *client,
         int i;
         int chip_id;
 
-        pdata = client->dev.platform_data;
+        pdata = dev_get_platdata(&client->dev);
 
         if (client->dev.of_node) {
                 const struct of_device_id *match;
diff --git a/drivers/regulator/tps65023-regulator.c b/drivers/regulator/tps65023-regulator.c
index 9d053e23e9eb..a15263d4bdff 100644
--- a/drivers/regulator/tps65023-regulator.c
+++ b/drivers/regulator/tps65023-regulator.c
@@ -218,7 +218,7 @@ static int tps_65023_probe(struct i2c_client *client,
          * init_data points to array of regulator_init structures
          * coming from the board-evm file.
          */
-        init_data = client->dev.platform_data;
+        init_data = dev_get_platdata(&client->dev);
         if (!init_data)
                 return -EIO;
 
diff --git a/drivers/regulator/tps6524x-regulator.c b/drivers/regulator/tps6524x-regulator.c
index 1094393155ed..62e8d28beabd 100644
--- a/drivers/regulator/tps6524x-regulator.c
+++ b/drivers/regulator/tps6524x-regulator.c
@@ -601,7 +601,7 @@ static int pmic_probe(struct spi_device *spi)
         struct regulator_config config = { };
         int ret = 0, i;
 
-        init_data = dev->platform_data;
+        init_data = dev_get_platdata(dev);
         if (!init_data) {
                 dev_err(dev, "could not find regulator platform data\n");
                 return -EINVAL;
diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c
index 93bc4f456da4..78aae4cbb004 100644
--- a/drivers/regulator/twl-regulator.c
+++ b/drivers/regulator/twl-regulator.c
@@ -1108,7 +1108,7 @@ static int twlreg_probe(struct platform_device *pdev)
                 drvdata = NULL;
         } else {
                 id = pdev->id;
-                initdata = pdev->dev.platform_data;
+                initdata = dev_get_platdata(&pdev->dev);
                 for (i = 0, template = NULL; i < ARRAY_SIZE(twl_of_match); i++) {
                         template = twl_of_match[i].data;
                         if (template && template->desc.id == id)
diff --git a/drivers/regulator/userspace-consumer.c b/drivers/regulator/userspace-consumer.c
index a7c8deb5f28f..765acc11c9c8 100644
--- a/drivers/regulator/userspace-consumer.c
+++ b/drivers/regulator/userspace-consumer.c
@@ -111,7 +111,7 @@ static int regulator_userspace_consumer_probe(struct platform_device *pdev)
         struct userspace_consumer_data *drvdata;
         int ret;
 
-        pdata = pdev->dev.platform_data;
+        pdata = dev_get_platdata(&pdev->dev);
         if (!pdata)
                 return -EINVAL;
 
diff --git a/drivers/regulator/virtual.c b/drivers/regulator/virtual.c
index a9d4284ea007..f53e78b9a84e 100644
--- a/drivers/regulator/virtual.c
+++ b/drivers/regulator/virtual.c
@@ -287,7 +287,7 @@ static const struct attribute_group regulator_virtual_attr_group = {
 
 static int regulator_virtual_probe(struct platform_device *pdev)
 {
-        char *reg_id = pdev->dev.platform_data;
+        char *reg_id = dev_get_platdata(&pdev->dev);
         struct virtual_consumer_data *drvdata;
         int ret;
 
diff --git a/drivers/regulator/wm831x-dcdc.c b/drivers/regulator/wm831x-dcdc.c
index 46938cf162ad..11861cb861df 100644
--- a/drivers/regulator/wm831x-dcdc.c
+++ b/drivers/regulator/wm831x-dcdc.c
@@ -451,7 +451,7 @@ static void wm831x_buckv_dvs_init(struct wm831x_dcdc *dcdc,
 static int wm831x_buckv_probe(struct platform_device *pdev)
 {
         struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
-        struct wm831x_pdata *pdata = wm831x->dev->platform_data;
+        struct wm831x_pdata *pdata = dev_get_platdata(wm831x->dev);
         struct regulator_config config = { };
         int id;
         struct wm831x_dcdc *dcdc;
@@ -624,7 +624,7 @@ static struct regulator_ops wm831x_buckp_ops = {
 static int wm831x_buckp_probe(struct platform_device *pdev)
 {
         struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
-        struct wm831x_pdata *pdata = wm831x->dev->platform_data;
+        struct wm831x_pdata *pdata = dev_get_platdata(wm831x->dev);
         struct regulator_config config = { };
         int id;
         struct wm831x_dcdc *dcdc;
@@ -770,7 +770,7 @@ static struct regulator_ops wm831x_boostp_ops = {
 static int wm831x_boostp_probe(struct platform_device *pdev)
 {
         struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
-        struct wm831x_pdata *pdata = wm831x->dev->platform_data;
+        struct wm831x_pdata *pdata = dev_get_platdata(wm831x->dev);
         struct regulator_config config = { };
         int id = pdev->id % ARRAY_SIZE(pdata->dcdc);
         struct wm831x_dcdc *dcdc;
@@ -880,7 +880,7 @@ static struct regulator_ops wm831x_epe_ops = {
 static int wm831x_epe_probe(struct platform_device *pdev)
 {
         struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
-        struct wm831x_pdata *pdata = wm831x->dev->platform_data;
+        struct wm831x_pdata *pdata = dev_get_platdata(wm831x->dev);
         struct regulator_config config = { };
         int id = pdev->id % ARRAY_SIZE(pdata->epe);
         struct wm831x_dcdc *dcdc;
diff --git a/drivers/regulator/wm831x-isink.c b/drivers/regulator/wm831x-isink.c
index 16ebdf94d0a0..4eb373de1fac 100644
--- a/drivers/regulator/wm831x-isink.c
+++ b/drivers/regulator/wm831x-isink.c
@@ -151,7 +151,7 @@ static irqreturn_t wm831x_isink_irq(int irq, void *data)
 static int wm831x_isink_probe(struct platform_device *pdev)
 {
         struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
-        struct wm831x_pdata *pdata = wm831x->dev->platform_data;
+        struct wm831x_pdata *pdata = dev_get_platdata(wm831x->dev);
         struct wm831x_isink *isink;
         int id = pdev->id % ARRAY_SIZE(pdata->isink);
         struct regulator_config config = { };
diff --git a/drivers/regulator/wm831x-ldo.c b/drivers/regulator/wm831x-ldo.c
index 76792c7d86f3..1432b26ef2e9 100644
--- a/drivers/regulator/wm831x-ldo.c
+++ b/drivers/regulator/wm831x-ldo.c
@@ -221,7 +221,7 @@ static struct regulator_ops wm831x_gp_ldo_ops = {
 static int wm831x_gp_ldo_probe(struct platform_device *pdev)
 {
         struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
-        struct wm831x_pdata *pdata = wm831x->dev->platform_data;
+        struct wm831x_pdata *pdata = dev_get_platdata(wm831x->dev);
         struct regulator_config config = { };
         int id;
         struct wm831x_ldo *ldo;
@@ -447,7 +447,7 @@ static struct regulator_ops wm831x_aldo_ops = {
 static int wm831x_aldo_probe(struct platform_device *pdev)
 {
         struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
-        struct wm831x_pdata *pdata = wm831x->dev->platform_data;
+        struct wm831x_pdata *pdata = dev_get_platdata(wm831x->dev);
         struct regulator_config config = { };
         int id;
         struct wm831x_ldo *ldo;
@@ -605,7 +605,7 @@ static struct regulator_ops wm831x_alive_ldo_ops = {
 static int wm831x_alive_ldo_probe(struct platform_device *pdev)
 {
         struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
-        struct wm831x_pdata *pdata = wm831x->dev->platform_data;
+        struct wm831x_pdata *pdata = dev_get_platdata(wm831x->dev);
         struct regulator_config config = { };
         int id;
         struct wm831x_ldo *ldo;
diff --git a/drivers/regulator/wm8350-regulator.c b/drivers/regulator/wm8350-regulator.c
index 5453dd0105ed..835b5f0f344e 100644
--- a/drivers/regulator/wm8350-regulator.c
+++ b/drivers/regulator/wm8350-regulator.c
@@ -1201,7 +1201,7 @@ static int wm8350_regulator_probe(struct platform_device *pdev)
         }
 
         config.dev = &pdev->dev;
-        config.init_data = pdev->dev.platform_data;
+        config.init_data = dev_get_platdata(&pdev->dev);
         config.driver_data = dev_get_drvdata(&pdev->dev);
         config.regmap = wm8350->regmap;
 
diff --git a/drivers/regulator/wm8400-regulator.c b/drivers/regulator/wm8400-regulator.c
index 2ac7e1aceb05..58f51bec13f2 100644
--- a/drivers/regulator/wm8400-regulator.c
+++ b/drivers/regulator/wm8400-regulator.c
@@ -215,7 +215,7 @@ static int wm8400_regulator_probe(struct platform_device *pdev)
         struct regulator_dev *rdev;
 
         config.dev = &pdev->dev;
-        config.init_data = pdev->dev.platform_data;
+        config.init_data = dev_get_platdata(&pdev->dev);
         config.driver_data = wm8400;
         config.regmap = wm8400->regmap;
 
diff --git a/drivers/regulator/wm8994-regulator.c b/drivers/regulator/wm8994-regulator.c
index 8f2a8a7a3f99..5ee2a208457c 100644
--- a/drivers/regulator/wm8994-regulator.c
+++ b/drivers/regulator/wm8994-regulator.c
@@ -125,7 +125,7 @@ static const struct regulator_init_data wm8994_ldo_default[] = {
 static int wm8994_ldo_probe(struct platform_device *pdev)
 {
         struct wm8994 *wm8994 = dev_get_drvdata(pdev->dev.parent);
-        struct wm8994_pdata *pdata = wm8994->dev->platform_data;
+        struct wm8994_pdata *pdata = dev_get_platdata(wm8994->dev);
         int id = pdev->id % ARRAY_SIZE(pdata->ldo);
         struct regulator_config config = { };
         struct wm8994_ldo *ldo;
diff --git a/include/linux/regulator/max8660.h b/include/linux/regulator/max8660.h
index 9936763621c7..f8a6a4844864 100644
--- a/include/linux/regulator/max8660.h
+++ b/include/linux/regulator/max8660.h
@@ -39,7 +39,7 @@ enum {
  */
 struct max8660_subdev_data {
         int                             id;
-        char                            *name;
+        const char                      *name;
         struct regulator_init_data      *platform_data;
 };