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Code Issues Releases Wiki Activity

hwmon: (lm90) simplify using devm_regulator_get_enable()

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Drop open-coded pattern: 'devm_regulator_get(), regulator_enable(),
add_action_or_reset(regulator_disable)' and use the
devm_regulator_get_enable().

Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://lore.kernel.org/r/a1fa4364cbb775de25478117dd22dda0742089e3.1666357434.git.mazziesaccount@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Matti Vaittinen 2022-10-21 16:18:43 +03:00 committed by Guenter Roeck
parent deeab9ea40
commit ad804a4d82
1 changed files with 2 additions and 18 deletions
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20
drivers/hwmon/lm90.c
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@ -2663,11 +2663,6 @@ static void lm90_remove_pec(void *dev)
device_remove_file(dev, &dev_attr_pec);
}
static void lm90_regulator_disable(void *regulator)
{
regulator_disable(regulator);
}
static int lm90_probe_channel_from_dt(struct i2c_client *client,
struct device_node *child,
struct lm90_data *data)
@ -2749,24 +2744,13 @@ static int lm90_probe(struct i2c_client *client)
struct device *dev = &client->dev;
struct i2c_adapter *adapter = client->adapter;
struct hwmon_channel_info *info;
struct regulator *regulator;
struct device *hwmon_dev;
struct lm90_data *data;
int err;
regulator = devm_regulator_get(dev, "vcc");
if (IS_ERR(regulator))
return PTR_ERR(regulator);
err = regulator_enable(regulator);
if (err < 0) {
dev_err(dev, "Failed to enable regulator: %d\n", err);
return err;
}
err = devm_add_action_or_reset(dev, lm90_regulator_disable, regulator);
err = devm_regulator_get_enable(dev, "vcc");
if (err)
return err;
return dev_err_probe(dev, err, "Failed to enable regulator\n");
data = devm_kzalloc(dev, sizeof(struct lm90_data), GFP_KERNEL);
if (!data)