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hwmon: pmbus: use more devres helpers 

Shrink pmbus code by using devm_hwmon_device_register_with_groups()
and devm_krealloc() instead of their non-managed variants.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20200824173859.4910-3-brgl@bgdev.pl
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Bartosz Golaszewski 2020-08-24 19:38:58 +02:00 committed by Greg Kroah-Hartman
parent f82485722e
commit bb19133fc8
1 changed files with 9 additions and 19 deletions
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28
drivers/hwmon/pmbus/pmbus_core.c
View File

@ -1018,9 +1018,9 @@ static int pmbus_add_attribute(struct pmbus_data *data, struct attribute *attr)
{
if (data->num_attributes >= data->max_attributes - 1) {
int new_max_attrs = data->max_attributes + PMBUS_ATTR_ALLOC_SIZE;
void *new_attrs = krealloc(data->group.attrs,
new_max_attrs * sizeof(void *),
GFP_KERNEL);
void *new_attrs = devm_krealloc(data->dev, data->group.attrs,
new_max_attrs * sizeof(void *),
GFP_KERNEL);
if (!new_attrs)
return -ENOMEM;
data->group.attrs = new_attrs;
@ -2534,7 +2534,7 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id,
ret = pmbus_find_attributes(client, data);
if (ret)
goto out_kfree;
return ret;
/*
* If there are no attributes, something is wrong.
@ -2542,35 +2542,27 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id,
*/
if (!data->num_attributes) {
dev_err(dev, "No attributes found\n");
ret = -ENODEV;
goto out_kfree;
return -ENODEV;
}
data->groups[0] = &data->group;
memcpy(data->groups + 1, info->groups, sizeof(void *) * groups_num);
data->hwmon_dev = hwmon_device_register_with_groups(dev, client->name,
data, data->groups);
data->hwmon_dev = devm_hwmon_device_register_with_groups(dev,
client->name, data, data->groups);
if (IS_ERR(data->hwmon_dev)) {
ret = PTR_ERR(data->hwmon_dev);
dev_err(dev, "Failed to register hwmon device\n");
goto out_kfree;
return PTR_ERR(data->hwmon_dev);
}
ret = pmbus_regulator_register(data);
if (ret)
goto out_unregister;
return ret;
ret = pmbus_init_debugfs(client, data);
if (ret)
dev_warn(dev, "Failed to register debugfs\n");
return 0;
out_unregister:
hwmon_device_unregister(data->hwmon_dev);
out_kfree:
kfree(data->group.attrs);
return ret;
}
EXPORT_SYMBOL_GPL(pmbus_do_probe);
@ -2580,8 +2572,6 @@ int pmbus_do_remove(struct i2c_client *client)
debugfs_remove_recursive(data->debugfs);
hwmon_device_unregister(data->hwmon_dev);
kfree(data->group.attrs);
return 0;
}
EXPORT_SYMBOL_GPL(pmbus_do_remove);