diff options
Diffstat (limited to 'drivers/hwmon/ds1621.c')
| -rw-r--r-- | drivers/hwmon/ds1621.c | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/drivers/hwmon/ds1621.c b/drivers/hwmon/ds1621.c index 478eb4bb857..c849c0c6ee9 100644 --- a/drivers/hwmon/ds1621.c +++ b/drivers/hwmon/ds1621.c @@ -29,6 +29,7 @@ #include <linux/hwmon.h> #include <linux/err.h> #include <linux/mutex.h> +#include <linux/sysfs.h> #include "lm75.h" /* Addresses to scan */ @@ -178,6 +179,18 @@ static DEVICE_ATTR(temp1_input, S_IRUGO , show_temp, NULL); static DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO , show_temp_min, set_temp_min); static DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp_max, set_temp_max); +static struct attribute *ds1621_attributes[] = { + &dev_attr_temp1_input.attr, + &dev_attr_temp1_min.attr, + &dev_attr_temp1_max.attr, + &dev_attr_alarms.attr, + NULL +}; + +static const struct attribute_group ds1621_group = { + .attrs = ds1621_attributes, +}; + static int ds1621_attach_adapter(struct i2c_adapter *adapter) { @@ -253,21 +266,19 @@ static int ds1621_detect(struct i2c_adapter *adapter, int address, ds1621_init_client(new_client); /* Register sysfs hooks */ + if ((err = sysfs_create_group(&new_client->dev.kobj, &ds1621_group))) + goto exit_detach; + data->class_dev = hwmon_device_register(&new_client->dev); if (IS_ERR(data->class_dev)) { err = PTR_ERR(data->class_dev); - goto exit_detach; + goto exit_remove_files; } - device_create_file(&new_client->dev, &dev_attr_alarms); - device_create_file(&new_client->dev, &dev_attr_temp1_input); - device_create_file(&new_client->dev, &dev_attr_temp1_min); - device_create_file(&new_client->dev, &dev_attr_temp1_max); - return 0; -/* OK, this is not exactly good programming practice, usually. But it is - very code-efficient in this case. */ + exit_remove_files: + sysfs_remove_group(&new_client->dev.kobj, &ds1621_group); exit_detach: i2c_detach_client(new_client); exit_free: @@ -282,6 +293,7 @@ static int ds1621_detach_client(struct i2c_client *client) int err; hwmon_device_unregister(data->class_dev); + sysfs_remove_group(&client->dev.kobj, &ds1621_group); if ((err = i2c_detach_client(client))) return err; |