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path: root/drivers/hwmon/lm83.c
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Diffstat (limited to 'drivers/hwmon/lm83.c')
-rw-r--r--drivers/hwmon/lm83.c125
1 files changed, 60 insertions, 65 deletions
diff --git a/drivers/hwmon/lm83.c b/drivers/hwmon/lm83.c
index ea224891d311..feb87b41e986 100644
--- a/drivers/hwmon/lm83.c
+++ b/drivers/hwmon/lm83.c
@@ -40,6 +40,7 @@
#include <linux/hwmon.h>
#include <linux/err.h>
#include <linux/mutex.h>
+#include <linux/sysfs.h>
/*
* Addresses to scan
@@ -234,6 +235,48 @@ static SENSOR_DEVICE_ATTR(temp2_max_alarm, S_IRUGO, show_alarm, NULL, 15);
/* Raw alarm file for compatibility */
static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
+static struct attribute *lm83_attributes[] = {
+ &sensor_dev_attr_temp1_input.dev_attr.attr,
+ &sensor_dev_attr_temp3_input.dev_attr.attr,
+ &sensor_dev_attr_temp1_max.dev_attr.attr,
+ &sensor_dev_attr_temp3_max.dev_attr.attr,
+ &sensor_dev_attr_temp1_crit.dev_attr.attr,
+ &sensor_dev_attr_temp3_crit.dev_attr.attr,
+
+ &sensor_dev_attr_temp1_crit_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp3_crit_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp3_input_fault.dev_attr.attr,
+ &sensor_dev_attr_temp3_max_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp1_max_alarm.dev_attr.attr,
+ &dev_attr_alarms.attr,
+ NULL
+};
+
+static const struct attribute_group lm83_group = {
+ .attrs = lm83_attributes,
+};
+
+static struct attribute *lm83_attributes_opt[] = {
+ &sensor_dev_attr_temp2_input.dev_attr.attr,
+ &sensor_dev_attr_temp4_input.dev_attr.attr,
+ &sensor_dev_attr_temp2_max.dev_attr.attr,
+ &sensor_dev_attr_temp4_max.dev_attr.attr,
+ &sensor_dev_attr_temp2_crit.dev_attr.attr,
+ &sensor_dev_attr_temp4_crit.dev_attr.attr,
+
+ &sensor_dev_attr_temp2_crit_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp4_crit_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp4_input_fault.dev_attr.attr,
+ &sensor_dev_attr_temp4_max_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp2_input_fault.dev_attr.attr,
+ &sensor_dev_attr_temp2_max_alarm.dev_attr.attr,
+ NULL
+};
+
+static const struct attribute_group lm83_group_opt = {
+ .attrs = lm83_attributes_opt,
+};
+
/*
* Real code
*/
@@ -342,82 +385,32 @@ static int lm83_detect(struct i2c_adapter *adapter, int address, int kind)
goto exit_free;
/*
- * Initialize the LM83 chip
- * (Nothing to do for this one.)
- */
-
- /* Register sysfs hooks */
- data->class_dev = hwmon_device_register(&new_client->dev);
- if (IS_ERR(data->class_dev)) {
- err = PTR_ERR(data->class_dev);
- goto exit_detach;
- }
-
- /*
+ * Register sysfs hooks
* The LM82 can only monitor one external diode which is
* at the same register as the LM83 temp3 entry - so we
* declare 1 and 3 common, and then 2 and 4 only for the LM83.
*/
- device_create_file(&new_client->dev,
- &sensor_dev_attr_temp1_input.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_temp3_input.dev_attr);
-
- device_create_file(&new_client->dev,
- &sensor_dev_attr_temp1_max.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_temp3_max.dev_attr);
-
- device_create_file(&new_client->dev,
- &sensor_dev_attr_temp1_crit.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_temp3_crit.dev_attr);
-
- device_create_file(&new_client->dev,
- &sensor_dev_attr_temp3_input_fault.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_temp1_max_alarm.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_temp3_max_alarm.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_temp1_crit_alarm.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_temp3_crit_alarm.dev_attr);
- device_create_file(&new_client->dev, &dev_attr_alarms);
+ if ((err = sysfs_create_group(&new_client->dev.kobj, &lm83_group)))
+ goto exit_detach;
if (kind == lm83) {
- device_create_file(&new_client->dev,
- &sensor_dev_attr_temp2_input.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_temp4_input.dev_attr);
-
- device_create_file(&new_client->dev,
- &sensor_dev_attr_temp2_max.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_temp4_max.dev_attr);
-
- device_create_file(&new_client->dev,
- &sensor_dev_attr_temp2_crit.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_temp4_crit.dev_attr);
-
- device_create_file(&new_client->dev,
- &sensor_dev_attr_temp2_input_fault.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_temp4_input_fault.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_temp2_max_alarm.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_temp4_max_alarm.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_temp2_crit_alarm.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_temp4_crit_alarm.dev_attr);
+ if ((err = sysfs_create_group(&new_client->dev.kobj,
+ &lm83_group_opt)))
+ goto exit_remove_files;
+ }
+
+ data->class_dev = hwmon_device_register(&new_client->dev);
+ if (IS_ERR(data->class_dev)) {
+ err = PTR_ERR(data->class_dev);
+ goto exit_remove_files;
}
return 0;
+exit_remove_files:
+ sysfs_remove_group(&new_client->dev.kobj, &lm83_group);
+ sysfs_remove_group(&new_client->dev.kobj, &lm83_group_opt);
exit_detach:
i2c_detach_client(new_client);
exit_free:
@@ -432,6 +425,8 @@ static int lm83_detach_client(struct i2c_client *client)
int err;
hwmon_device_unregister(data->class_dev);
+ sysfs_remove_group(&client->dev.kobj, &lm83_group);
+ sysfs_remove_group(&client->dev.kobj, &lm83_group_opt);
if ((err = i2c_detach_client(client)))
return err;