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-rw-r--r--drivers/regulator/mt6397-regulator.c15
-rw-r--r--drivers/regulator/of_regulator.c15
-rw-r--r--drivers/regulator/pv88060-regulator.c8
-rw-r--r--drivers/regulator/pwm-regulator.c29
-rw-r--r--drivers/regulator/s2mps11.c43
5 files changed, 70 insertions, 40 deletions
diff --git a/drivers/regulator/mt6397-regulator.c b/drivers/regulator/mt6397-regulator.c
index a5b2f4762677..17a5b6c2d6a9 100644
--- a/drivers/regulator/mt6397-regulator.c
+++ b/drivers/regulator/mt6397-regulator.c
@@ -317,11 +317,25 @@ static int mt6397_regulator_probe(struct platform_device *pdev)
return 0;
}
+static const struct platform_device_id mt6397_platform_ids[] = {
+ {"mt6397-regulator", 0},
+ { /* sentinel */ },
+};
+MODULE_DEVICE_TABLE(platform, mt6397_platform_ids);
+
+static const struct of_device_id mt6397_of_match[] = {
+ { .compatible = "mediatek,mt6397-regulator", },
+ { /* sentinel */ },
+};
+MODULE_DEVICE_TABLE(of, mt6397_of_match);
+
static struct platform_driver mt6397_regulator_driver = {
.driver = {
.name = "mt6397-regulator",
+ .of_match_table = of_match_ptr(mt6397_of_match),
},
.probe = mt6397_regulator_probe,
+ .id_table = mt6397_platform_ids,
};
module_platform_driver(mt6397_regulator_driver);
@@ -329,4 +343,3 @@ module_platform_driver(mt6397_regulator_driver);
MODULE_AUTHOR("Flora Fu <flora.fu@mediatek.com>");
MODULE_DESCRIPTION("Regulator Driver for MediaTek MT6397 PMIC");
MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:mt6397-regulator");
diff --git a/drivers/regulator/of_regulator.c b/drivers/regulator/of_regulator.c
index fe2e33441dae..6b0aa80b22fd 100644
--- a/drivers/regulator/of_regulator.c
+++ b/drivers/regulator/of_regulator.c
@@ -28,7 +28,6 @@ static void of_get_regulation_constraints(struct device_node *np,
struct regulator_init_data **init_data,
const struct regulator_desc *desc)
{
- const __be32 *min_uV, *max_uV;
struct regulation_constraints *constraints = &(*init_data)->constraints;
struct regulator_state *suspend_state;
struct device_node *suspend_np;
@@ -37,18 +36,18 @@ static void of_get_regulation_constraints(struct device_node *np,
constraints->name = of_get_property(np, "regulator-name", NULL);
- min_uV = of_get_property(np, "regulator-min-microvolt", NULL);
- if (min_uV)
- constraints->min_uV = be32_to_cpu(*min_uV);
- max_uV = of_get_property(np, "regulator-max-microvolt", NULL);
- if (max_uV)
- constraints->max_uV = be32_to_cpu(*max_uV);
+ if (!of_property_read_u32(np, "regulator-min-microvolt", &pval))
+ constraints->min_uV = pval;
+
+ if (!of_property_read_u32(np, "regulator-max-microvolt", &pval))
+ constraints->max_uV = pval;
/* Voltage change possible? */
if (constraints->min_uV != constraints->max_uV)
constraints->valid_ops_mask |= REGULATOR_CHANGE_VOLTAGE;
/* Only one voltage? Then make sure it's set. */
- if (min_uV && max_uV && constraints->min_uV == constraints->max_uV)
+ if (constraints->min_uV && constraints->max_uV &&
+ constraints->min_uV == constraints->max_uV)
constraints->apply_uV = true;
if (!of_property_read_u32(np, "regulator-microvolt-offset", &pval))
diff --git a/drivers/regulator/pv88060-regulator.c b/drivers/regulator/pv88060-regulator.c
index 094376c8de4b..c448b727f5f8 100644
--- a/drivers/regulator/pv88060-regulator.c
+++ b/drivers/regulator/pv88060-regulator.c
@@ -285,8 +285,8 @@ static irqreturn_t pv88060_irq_handler(int irq, void *data)
}
}
- err = regmap_update_bits(chip->regmap, PV88060_REG_EVENT_A,
- PV88060_E_VDD_FLT, PV88060_E_VDD_FLT);
+ err = regmap_write(chip->regmap, PV88060_REG_EVENT_A,
+ PV88060_E_VDD_FLT);
if (err < 0)
goto error_i2c;
@@ -302,8 +302,8 @@ static irqreturn_t pv88060_irq_handler(int irq, void *data)
}
}
- err = regmap_update_bits(chip->regmap, PV88060_REG_EVENT_A,
- PV88060_E_OVER_TEMP, PV88060_E_OVER_TEMP);
+ err = regmap_write(chip->regmap, PV88060_REG_EVENT_A,
+ PV88060_E_OVER_TEMP);
if (err < 0)
goto error_i2c;
diff --git a/drivers/regulator/pwm-regulator.c b/drivers/regulator/pwm-regulator.c
index 3aca067b9901..4689d62f4841 100644
--- a/drivers/regulator/pwm-regulator.c
+++ b/drivers/regulator/pwm-regulator.c
@@ -27,6 +27,13 @@ struct pwm_regulator_data {
/* Voltage table */
struct pwm_voltages *duty_cycle_table;
+
+ /* regulator descriptor */
+ struct regulator_desc desc;
+
+ /* Regulator ops */
+ struct regulator_ops ops;
+
int state;
/* Continuous voltage */
@@ -115,7 +122,7 @@ static int pwm_voltage_to_duty_cycle_percentage(struct regulator_dev *rdev, int
int max_uV = rdev->constraints->max_uV;
int diff = max_uV - min_uV;
- return 100 - (((req_uV * 100) - (min_uV * 100)) / diff);
+ return ((req_uV * 100) - (min_uV * 100)) / diff;
}
static int pwm_regulator_get_voltage(struct regulator_dev *rdev)
@@ -212,8 +219,10 @@ static int pwm_regulator_init_table(struct platform_device *pdev,
}
drvdata->duty_cycle_table = duty_cycle_table;
- pwm_regulator_desc.ops = &pwm_regulator_voltage_table_ops;
- pwm_regulator_desc.n_voltages = length / sizeof(*duty_cycle_table);
+ memcpy(&drvdata->ops, &pwm_regulator_voltage_table_ops,
+ sizeof(drvdata->ops));
+ drvdata->desc.ops = &drvdata->ops;
+ drvdata->desc.n_voltages = length / sizeof(*duty_cycle_table);
return 0;
}
@@ -221,8 +230,10 @@ static int pwm_regulator_init_table(struct platform_device *pdev,
static int pwm_regulator_init_continuous(struct platform_device *pdev,
struct pwm_regulator_data *drvdata)
{
- pwm_regulator_desc.ops = &pwm_regulator_voltage_continuous_ops;
- pwm_regulator_desc.continuous_voltage_range = true;
+ memcpy(&drvdata->ops, &pwm_regulator_voltage_continuous_ops,
+ sizeof(drvdata->ops));
+ drvdata->desc.ops = &drvdata->ops;
+ drvdata->desc.continuous_voltage_range = true;
return 0;
}
@@ -245,6 +256,8 @@ static int pwm_regulator_probe(struct platform_device *pdev)
if (!drvdata)
return -ENOMEM;
+ memcpy(&drvdata->desc, &pwm_regulator_desc, sizeof(drvdata->desc));
+
if (of_find_property(np, "voltage-table", NULL))
ret = pwm_regulator_init_table(pdev, drvdata);
else
@@ -253,7 +266,7 @@ static int pwm_regulator_probe(struct platform_device *pdev)
return ret;
init_data = of_get_regulator_init_data(&pdev->dev, np,
- &pwm_regulator_desc);
+ &drvdata->desc);
if (!init_data)
return -ENOMEM;
@@ -269,10 +282,10 @@ static int pwm_regulator_probe(struct platform_device *pdev)
}
regulator = devm_regulator_register(&pdev->dev,
- &pwm_regulator_desc, &config);
+ &drvdata->desc, &config);
if (IS_ERR(regulator)) {
dev_err(&pdev->dev, "Failed to register regulator %s\n",
- pwm_regulator_desc.name);
+ drvdata->desc.name);
return PTR_ERR(regulator);
}
diff --git a/drivers/regulator/s2mps11.c b/drivers/regulator/s2mps11.c
index 3242ffc0cb25..d24e2c783dc5 100644
--- a/drivers/regulator/s2mps11.c
+++ b/drivers/regulator/s2mps11.c
@@ -38,7 +38,6 @@
/* The highest number of possible regulators for supported devices. */
#define S2MPS_REGULATOR_MAX S2MPS13_REGULATOR_MAX
struct s2mps11_info {
- unsigned int rdev_num;
int ramp_delay2;
int ramp_delay34;
int ramp_delay5;
@@ -54,7 +53,10 @@ struct s2mps11_info {
*/
DECLARE_BITMAP(suspend_state, S2MPS_REGULATOR_MAX);
- /* Array of size rdev_num with GPIO-s for external sleep control */
+ /*
+ * Array (size: number of regulators) with GPIO-s for external
+ * sleep control.
+ */
int *ext_control_gpio;
};
@@ -819,7 +821,8 @@ static void s2mps14_pmic_dt_parse_ext_control_gpio(struct platform_device *pdev,
}
static int s2mps11_pmic_dt_parse(struct platform_device *pdev,
- struct of_regulator_match *rdata, struct s2mps11_info *s2mps11)
+ struct of_regulator_match *rdata, struct s2mps11_info *s2mps11,
+ unsigned int rdev_num)
{
struct device_node *reg_np;
@@ -829,7 +832,7 @@ static int s2mps11_pmic_dt_parse(struct platform_device *pdev,
return -EINVAL;
}
- of_regulator_match(&pdev->dev, reg_np, rdata, s2mps11->rdev_num);
+ of_regulator_match(&pdev->dev, reg_np, rdata, rdev_num);
if (s2mps11->dev_type == S2MPS14X)
s2mps14_pmic_dt_parse_ext_control_gpio(pdev, rdata, s2mps11);
@@ -1077,6 +1080,7 @@ static int s2mps11_pmic_probe(struct platform_device *pdev)
struct of_regulator_match *rdata = NULL;
struct regulator_config config = { };
struct s2mps11_info *s2mps11;
+ unsigned int rdev_num = 0;
int i, ret = 0;
const struct regulator_desc *regulators;
@@ -1088,28 +1092,29 @@ static int s2mps11_pmic_probe(struct platform_device *pdev)
s2mps11->dev_type = platform_get_device_id(pdev)->driver_data;
switch (s2mps11->dev_type) {
case S2MPS11X:
- s2mps11->rdev_num = ARRAY_SIZE(s2mps11_regulators);
+ rdev_num = ARRAY_SIZE(s2mps11_regulators);
regulators = s2mps11_regulators;
- BUILD_BUG_ON(S2MPS_REGULATOR_MAX < s2mps11->rdev_num);
+ BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mps11_regulators));
break;
case S2MPS13X:
- s2mps11->rdev_num = ARRAY_SIZE(s2mps13_regulators);
+ rdev_num = ARRAY_SIZE(s2mps13_regulators);
regulators = s2mps13_regulators;
- BUILD_BUG_ON(S2MPS_REGULATOR_MAX < s2mps11->rdev_num);
+ BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mps13_regulators));
break;
case S2MPS14X:
- s2mps11->rdev_num = ARRAY_SIZE(s2mps14_regulators);
+ rdev_num = ARRAY_SIZE(s2mps14_regulators);
regulators = s2mps14_regulators;
- BUILD_BUG_ON(S2MPS_REGULATOR_MAX < s2mps11->rdev_num);
+ BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mps14_regulators));
break;
case S2MPS15X:
- s2mps11->rdev_num = ARRAY_SIZE(s2mps15_regulators);
+ rdev_num = ARRAY_SIZE(s2mps15_regulators);
regulators = s2mps15_regulators;
+ BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mps15_regulators));
break;
case S2MPU02:
- s2mps11->rdev_num = ARRAY_SIZE(s2mpu02_regulators);
+ rdev_num = ARRAY_SIZE(s2mpu02_regulators);
regulators = s2mpu02_regulators;
- BUILD_BUG_ON(S2MPS_REGULATOR_MAX < s2mps11->rdev_num);
+ BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mpu02_regulators));
break;
default:
dev_err(&pdev->dev, "Invalid device type: %u\n",
@@ -1118,7 +1123,7 @@ static int s2mps11_pmic_probe(struct platform_device *pdev)
}
s2mps11->ext_control_gpio = devm_kmalloc(&pdev->dev,
- sizeof(*s2mps11->ext_control_gpio) * s2mps11->rdev_num,
+ sizeof(*s2mps11->ext_control_gpio) * rdev_num,
GFP_KERNEL);
if (!s2mps11->ext_control_gpio)
return -ENOMEM;
@@ -1126,7 +1131,7 @@ static int s2mps11_pmic_probe(struct platform_device *pdev)
* 0 is a valid GPIO so initialize all GPIO-s to negative value
* to indicate that external control won't be used for this regulator.
*/
- for (i = 0; i < s2mps11->rdev_num; i++)
+ for (i = 0; i < rdev_num; i++)
s2mps11->ext_control_gpio[i] = -EINVAL;
if (!iodev->dev->of_node) {
@@ -1140,14 +1145,14 @@ static int s2mps11_pmic_probe(struct platform_device *pdev)
}
}
- rdata = kzalloc(sizeof(*rdata) * s2mps11->rdev_num, GFP_KERNEL);
+ rdata = kzalloc(sizeof(*rdata) * rdev_num, GFP_KERNEL);
if (!rdata)
return -ENOMEM;
- for (i = 0; i < s2mps11->rdev_num; i++)
+ for (i = 0; i < rdev_num; i++)
rdata[i].name = regulators[i].name;
- ret = s2mps11_pmic_dt_parse(pdev, rdata, s2mps11);
+ ret = s2mps11_pmic_dt_parse(pdev, rdata, s2mps11, rdev_num);
if (ret)
goto out;
@@ -1159,7 +1164,7 @@ common_reg:
config.driver_data = s2mps11;
config.ena_gpio_flags = GPIOF_OUT_INIT_HIGH;
config.ena_gpio_initialized = true;
- for (i = 0; i < s2mps11->rdev_num; i++) {
+ for (i = 0; i < rdev_num; i++) {
struct regulator_dev *regulator;
if (pdata) {