regulator: max8997: Fix using wrong dev argument at various places

Use &pdev->dev rather than iodev->dev for dev_err(), dev_warn() and dev_info().
Use &pdev->dev rather than iodev->dev for devm_kzalloc() and
of_get_regulator_init_data(), this fixes memory leak.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/drivers/regulator/max8997.c b/drivers/regulator/max8997.c
index 02be7fcae32f5d88d4a702267121aac93ae1c263..836908ce505e04277394622289826cee6a073b12 100644 (file)
--- a/drivers/regulator/max8997.c
+++ b/drivers/regulator/max8997.c
@@ -934,7 +934,7 @@ static struct regulator_desc regulators[] = {
 };
 
 #ifdef CONFIG_OF
-static int max8997_pmic_dt_parse_dvs_gpio(struct max8997_dev *iodev,
+static int max8997_pmic_dt_parse_dvs_gpio(struct platform_device *pdev,
                        struct max8997_platform_data *pdata,
                        struct device_node *pmic_np)
 {
@@ -944,7 +944,7 @@ static int max8997_pmic_dt_parse_dvs_gpio(struct max8997_dev *iodev,
                gpio = of_get_named_gpio(pmic_np,
                                        "max8997,pmic-buck125-dvs-gpios", i);
                if (!gpio_is_valid(gpio)) {
-                       dev_err(iodev->dev, "invalid gpio[%d]: %d\n", i, gpio);
+                       dev_err(&pdev->dev, "invalid gpio[%d]: %d\n", i, gpio);
                        return -EINVAL;
                }
                pdata->buck125_gpios[i] = gpio;
@@ -952,22 +952,23 @@ static int max8997_pmic_dt_parse_dvs_gpio(struct max8997_dev *iodev,
        return 0;
 }
 
-static int max8997_pmic_dt_parse_pdata(struct max8997_dev *iodev,
+static int max8997_pmic_dt_parse_pdata(struct platform_device *pdev,
                                        struct max8997_platform_data *pdata)
 {
+       struct max8997_dev *iodev = dev_get_drvdata(pdev->dev.parent);
        struct device_node *pmic_np, *regulators_np, *reg_np;
        struct max8997_regulator_data *rdata;
        unsigned int i, dvs_voltage_nr = 1, ret;
 
        pmic_np = iodev->dev->of_node;
        if (!pmic_np) {
-               dev_err(iodev->dev, "could not find pmic sub-node\n");
+               dev_err(&pdev->dev, "could not find pmic sub-node\n");
                return -ENODEV;
        }
 
        regulators_np = of_find_node_by_name(pmic_np, "regulators");
        if (!regulators_np) {
-               dev_err(iodev->dev, "could not find regulators sub-node\n");
+               dev_err(&pdev->dev, "could not find regulators sub-node\n");
                return -EINVAL;
        }
 
@@ -976,11 +977,10 @@ static int max8997_pmic_dt_parse_pdata(struct max8997_dev *iodev,
        for_each_child_of_node(regulators_np, reg_np)
                pdata->num_regulators++;
 
-       rdata = devm_kzalloc(iodev->dev, sizeof(*rdata) *
+       rdata = devm_kzalloc(&pdev->dev, sizeof(*rdata) *
                                pdata->num_regulators, GFP_KERNEL);
        if (!rdata) {
-               dev_err(iodev->dev, "could not allocate memory for "
-                                               "regulator data\n");
+               dev_err(&pdev->dev, "could not allocate memory for regulator data\n");
                return -ENOMEM;
        }
 
@@ -991,14 +991,14 @@ static int max8997_pmic_dt_parse_pdata(struct max8997_dev *iodev,
                                break;
 
                if (i == ARRAY_SIZE(regulators)) {
-                       dev_warn(iodev->dev, "don't know how to configure "
-                               "regulator %s\n", reg_np->name);
+                       dev_warn(&pdev->dev, "don't know how to configure regulator %s\n",
+                                reg_np->name);
                        continue;
                }
 
                rdata->id = i;
-               rdata->initdata = of_get_regulator_init_data(
-                                               iodev->dev, reg_np);
+               rdata->initdata = of_get_regulator_init_data(&pdev->dev,
+                                                            reg_np);
                rdata->reg_node = reg_np;
                rdata++;
        }
@@ -1014,7 +1014,7 @@ static int max8997_pmic_dt_parse_pdata(struct max8997_dev *iodev,
 
        if (pdata->buck1_gpiodvs || pdata->buck2_gpiodvs ||
                                                pdata->buck5_gpiodvs) {
-               ret = max8997_pmic_dt_parse_dvs_gpio(iodev, pdata, pmic_np);
+               ret = max8997_pmic_dt_parse_dvs_gpio(pdev, pdata, pmic_np);
                if (ret)
                        return -EINVAL;
 
@@ -1025,8 +1025,7 @@ static int max8997_pmic_dt_parse_pdata(struct max8997_dev *iodev,
                } else {
                        if (pdata->buck125_default_idx >= 8) {
                                pdata->buck125_default_idx = 0;
-                               dev_info(iodev->dev, "invalid value for "
-                               "default dvs index, using 0 instead\n");
+                               dev_info(&pdev->dev, "invalid value for default dvs index, using 0 instead\n");
                        }
                }
 
@@ -1040,28 +1039,28 @@ static int max8997_pmic_dt_parse_pdata(struct max8997_dev *iodev,
        if (of_property_read_u32_array(pmic_np,
                                "max8997,pmic-buck1-dvs-voltage",
                                pdata->buck1_voltage, dvs_voltage_nr)) {
-               dev_err(iodev->dev, "buck1 voltages not specified\n");
+               dev_err(&pdev->dev, "buck1 voltages not specified\n");
                return -EINVAL;
        }
 
        if (of_property_read_u32_array(pmic_np,
                                "max8997,pmic-buck2-dvs-voltage",
                                pdata->buck2_voltage, dvs_voltage_nr)) {
-               dev_err(iodev->dev, "buck2 voltages not specified\n");
+               dev_err(&pdev->dev, "buck2 voltages not specified\n");
                return -EINVAL;
        }
 
        if (of_property_read_u32_array(pmic_np,
                                "max8997,pmic-buck5-dvs-voltage",
                                pdata->buck5_voltage, dvs_voltage_nr)) {
-               dev_err(iodev->dev, "buck5 voltages not specified\n");
+               dev_err(&pdev->dev, "buck5 voltages not specified\n");
                return -EINVAL;
        }
 
        return 0;
 }
 #else
-static int max8997_pmic_dt_parse_pdata(struct max8997_dev *iodev,
+static int max8997_pmic_dt_parse_pdata(struct platform_device *pdev,
                                        struct max8997_platform_data *pdata)
 {
        return 0;
@@ -1085,7 +1084,7 @@ static int max8997_pmic_probe(struct platform_device *pdev)
        }
 
        if (iodev->dev->of_node) {
-               ret = max8997_pmic_dt_parse_pdata(iodev, pdata);
+               ret = max8997_pmic_dt_parse_pdata(pdev, pdata);
                if (ret)
                        return ret;
        }