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path: root/drivers/regulator/tps51632-regulator.c
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Diffstat (limited to 'drivers/regulator/tps51632-regulator.c')
-rw-r--r--drivers/regulator/tps51632-regulator.c49
1 files changed, 18 insertions, 31 deletions
diff --git a/drivers/regulator/tps51632-regulator.c b/drivers/regulator/tps51632-regulator.c
index 9392a7ca3d2..f31f22e3e1b 100644
--- a/drivers/regulator/tps51632-regulator.c
+++ b/drivers/regulator/tps51632-regulator.c
@@ -70,16 +70,16 @@
#define TPS51632_POWER_STATE_SINGLE_PHASE_CCM 0x1
#define TPS51632_POWER_STATE_SINGLE_PHASE_DCM 0x2
-#define TPS51632_MIN_VOLATGE 500000
-#define TPS51632_MAX_VOLATGE 1520000
-#define TPS51632_VOLATGE_STEP_10mV 10000
-#define TPS51632_VOLATGE_STEP_20mV 20000
+#define TPS51632_MIN_VOLTAGE 500000
+#define TPS51632_MAX_VOLTAGE 1520000
+#define TPS51632_VOLTAGE_STEP_10mV 10000
+#define TPS51632_VOLTAGE_STEP_20mV 20000
#define TPS51632_MAX_VSEL 0x7F
#define TPS51632_MIN_VSEL 0x19
#define TPS51632_DEFAULT_RAMP_DELAY 6000
#define TPS51632_VOLT_VSEL(uV) \
- (DIV_ROUND_UP(uV - TPS51632_MIN_VOLATGE, \
- TPS51632_VOLATGE_STEP_10mV) + \
+ (DIV_ROUND_UP(uV - TPS51632_MIN_VOLTAGE, \
+ TPS51632_VOLTAGE_STEP_10mV) + \
TPS51632_MIN_VSEL)
/* TPS51632 chip information */
@@ -227,10 +227,8 @@ static struct tps51632_regulator_platform_data *
struct device_node *np = dev->of_node;
pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
- if (!pdata) {
- dev_err(dev, "Memory alloc failed for platform data\n");
+ if (!pdata)
return NULL;
- }
pdata->reg_init_data = of_get_regulator_init_data(dev, dev->of_node);
if (!pdata->reg_init_data) {
@@ -243,9 +241,9 @@ static struct tps51632_regulator_platform_data *
pdata->dvfs_step_20mV = of_property_read_bool(np, "ti,dvfs-step-20mV");
pdata->base_voltage_uV = pdata->reg_init_data->constraints.min_uV ? :
- TPS51632_MIN_VOLATGE;
+ TPS51632_MIN_VOLTAGE;
pdata->max_voltage_uV = pdata->reg_init_data->constraints.max_uV ? :
- TPS51632_MAX_VOLATGE;
+ TPS51632_MAX_VOLTAGE;
return pdata;
}
#else
@@ -284,32 +282,30 @@ static int tps51632_probe(struct i2c_client *client,
}
if (pdata->enable_pwm_dvfs) {
- if ((pdata->base_voltage_uV < TPS51632_MIN_VOLATGE) ||
- (pdata->base_voltage_uV > TPS51632_MAX_VOLATGE)) {
+ if ((pdata->base_voltage_uV < TPS51632_MIN_VOLTAGE) ||
+ (pdata->base_voltage_uV > TPS51632_MAX_VOLTAGE)) {
dev_err(&client->dev, "Invalid base_voltage_uV setting\n");
return -EINVAL;
}
if ((pdata->max_voltage_uV) &&
- ((pdata->max_voltage_uV < TPS51632_MIN_VOLATGE) ||
- (pdata->max_voltage_uV > TPS51632_MAX_VOLATGE))) {
+ ((pdata->max_voltage_uV < TPS51632_MIN_VOLTAGE) ||
+ (pdata->max_voltage_uV > TPS51632_MAX_VOLTAGE))) {
dev_err(&client->dev, "Invalid max_voltage_uV setting\n");
return -EINVAL;
}
}
tps = devm_kzalloc(&client->dev, sizeof(*tps), GFP_KERNEL);
- if (!tps) {
- dev_err(&client->dev, "Memory allocation failed\n");
+ if (!tps)
return -ENOMEM;
- }
tps->dev = &client->dev;
- tps->desc.name = id->name;
+ tps->desc.name = client->name;
tps->desc.id = 0;
tps->desc.ramp_delay = TPS51632_DEFAULT_RAMP_DELAY;
- tps->desc.min_uV = TPS51632_MIN_VOLATGE;
- tps->desc.uV_step = TPS51632_VOLATGE_STEP_10mV;
+ tps->desc.min_uV = TPS51632_MIN_VOLTAGE;
+ tps->desc.uV_step = TPS51632_VOLTAGE_STEP_10mV;
tps->desc.linear_min_sel = TPS51632_MIN_VSEL;
tps->desc.n_voltages = TPS51632_MAX_VSEL + 1;
tps->desc.ops = &tps51632_dcdc_ops;
@@ -343,7 +339,7 @@ static int tps51632_probe(struct i2c_client *client,
config.regmap = tps->regmap;
config.of_node = client->dev.of_node;
- rdev = regulator_register(&tps->desc, &config);
+ rdev = devm_regulator_register(&client->dev, &tps->desc, &config);
if (IS_ERR(rdev)) {
dev_err(tps->dev, "regulator register failed\n");
return PTR_ERR(rdev);
@@ -353,14 +349,6 @@ static int tps51632_probe(struct i2c_client *client,
return 0;
}
-static int tps51632_remove(struct i2c_client *client)
-{
- struct tps51632_chip *tps = i2c_get_clientdata(client);
-
- regulator_unregister(tps->rdev);
- return 0;
-}
-
static const struct i2c_device_id tps51632_id[] = {
{.name = "tps51632",},
{},
@@ -375,7 +363,6 @@ static struct i2c_driver tps51632_i2c_driver = {
.of_match_table = of_match_ptr(tps51632_of_match),
},
.probe = tps51632_probe,
- .remove = tps51632_remove,
.id_table = tps51632_id,
};