diff options
Diffstat (limited to 'drivers/hwmon/emc2103.c')
| -rw-r--r-- | drivers/hwmon/emc2103.c | 89 |
1 files changed, 26 insertions, 63 deletions
diff --git a/drivers/hwmon/emc2103.c b/drivers/hwmon/emc2103.c index 78002de46cb6..952fe692d764 100644 --- a/drivers/hwmon/emc2103.c +++ b/drivers/hwmon/emc2103.c @@ -66,7 +66,8 @@ struct temperature { }; struct emc2103_data { - struct device *hwmon_dev; + struct i2c_client *client; + const struct attribute_group *groups[4]; struct mutex update_lock; bool valid; /* registers are valid */ bool fan_rpm_control; @@ -146,8 +147,8 @@ static void read_fan_config_from_i2c(struct i2c_client *client) static struct emc2103_data *emc2103_update_device(struct device *dev) { - struct i2c_client *client = to_i2c_client(dev); - struct emc2103_data *data = i2c_get_clientdata(client); + struct emc2103_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; mutex_lock(&data->update_lock); @@ -242,8 +243,8 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *da, const char *buf, size_t count) { int nr = to_sensor_dev_attr(da)->index; - struct i2c_client *client = to_i2c_client(dev); - struct emc2103_data *data = i2c_get_clientdata(client); + struct emc2103_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; long val; int result = kstrtol(buf, 10, &val); @@ -264,8 +265,8 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *da, const char *buf, size_t count) { int nr = to_sensor_dev_attr(da)->index; - struct i2c_client *client = to_i2c_client(dev); - struct emc2103_data *data = i2c_get_clientdata(client); + struct emc2103_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; long val; int result = kstrtol(buf, 10, &val); @@ -310,7 +311,7 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *da, const char *buf, size_t count) { struct emc2103_data *data = emc2103_update_device(dev); - struct i2c_client *client = to_i2c_client(dev); + struct i2c_client *client = data->client; int new_range_bits, old_div = 8 / data->fan_multiplier; long new_div; @@ -385,7 +386,7 @@ static ssize_t set_fan_target(struct device *dev, struct device_attribute *da, const char *buf, size_t count) { struct emc2103_data *data = emc2103_update_device(dev); - struct i2c_client *client = to_i2c_client(dev); + struct i2c_client *client = data->client; unsigned long rpm_target; int result = kstrtoul(buf, 10, &rpm_target); @@ -428,8 +429,8 @@ show_pwm_enable(struct device *dev, struct device_attribute *da, char *buf) static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *da, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct emc2103_data *data = i2c_get_clientdata(client); + struct emc2103_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; long new_value; u8 conf_reg; @@ -580,7 +581,8 @@ static int emc2103_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct emc2103_data *data; - int status; + struct device *hwmon_dev; + int status, idx = 0; if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -EIO; @@ -591,6 +593,7 @@ emc2103_probe(struct i2c_client *client, const struct i2c_device_id *id) return -ENOMEM; i2c_set_clientdata(client, data); + data->client = client; mutex_init(&data->update_lock); /* 2103-2 and 2103-4 have 3 external diodes, 2103-1 has 1 */ @@ -624,60 +627,21 @@ emc2103_probe(struct i2c_client *client, const struct i2c_device_id *id) } } - /* Register sysfs hooks */ - status = sysfs_create_group(&client->dev.kobj, &emc2103_group); - if (status) - return status; - - if (data->temp_count >= 3) { - status = sysfs_create_group(&client->dev.kobj, - &emc2103_temp3_group); - if (status) - goto exit_remove; - } - - if (data->temp_count == 4) { - status = sysfs_create_group(&client->dev.kobj, - &emc2103_temp4_group); - if (status) - goto exit_remove_temp3; - } - - data->hwmon_dev = hwmon_device_register(&client->dev); - if (IS_ERR(data->hwmon_dev)) { - status = PTR_ERR(data->hwmon_dev); - goto exit_remove_temp4; - } - - dev_info(&client->dev, "%s: sensor '%s'\n", - dev_name(data->hwmon_dev), client->name); - - return 0; - -exit_remove_temp4: - if (data->temp_count == 4) - sysfs_remove_group(&client->dev.kobj, &emc2103_temp4_group); -exit_remove_temp3: + /* sysfs hooks */ + data->groups[idx++] = &emc2103_group; if (data->temp_count >= 3) - sysfs_remove_group(&client->dev.kobj, &emc2103_temp3_group); -exit_remove: - sysfs_remove_group(&client->dev.kobj, &emc2103_group); - return status; -} - -static int emc2103_remove(struct i2c_client *client) -{ - struct emc2103_data *data = i2c_get_clientdata(client); - - hwmon_device_unregister(data->hwmon_dev); - + data->groups[idx++] = &emc2103_temp3_group; if (data->temp_count == 4) - sysfs_remove_group(&client->dev.kobj, &emc2103_temp4_group); + data->groups[idx++] = &emc2103_temp4_group; - if (data->temp_count >= 3) - sysfs_remove_group(&client->dev.kobj, &emc2103_temp3_group); + hwmon_dev = devm_hwmon_device_register_with_groups(&client->dev, + client->name, data, + data->groups); + if (IS_ERR(hwmon_dev)) + return PTR_ERR(hwmon_dev); - sysfs_remove_group(&client->dev.kobj, &emc2103_group); + dev_info(&client->dev, "%s: sensor '%s'\n", + dev_name(hwmon_dev), client->name); return 0; } @@ -717,7 +681,6 @@ static struct i2c_driver emc2103_driver = { .name = "emc2103", }, .probe = emc2103_probe, - .remove = emc2103_remove, .id_table = emc2103_ids, .detect = emc2103_detect, .address_list = normal_i2c, |