fedora core 6 1.2949 + vserver 2.2.0
[linux-2.6.git] / drivers / hwmon / pc87360.c
index ae05e48..c8a21be 100644 (file)
@@ -238,6 +238,7 @@ static struct pc87360_data *pc87360_update_device(struct device *dev);
 
 static struct i2c_driver pc87360_driver = {
        .driver = {
+               .owner  = THIS_MODULE,
                .name   = "pc87360",
        },
        .attach_adapter = pc87360_detect,
@@ -327,6 +328,12 @@ static struct sensor_device_attribute fan_min[] = {
        SENSOR_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min, set_fan_min, 2),
 };
 
+#define FAN_UNIT_ATTRS(X)      \
+       &fan_input[X].dev_attr.attr,    \
+       &fan_status[X].dev_attr.attr,   \
+       &fan_div[X].dev_attr.attr,      \
+       &fan_min[X].dev_attr.attr
+
 static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr, char *buf)
 {
        struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
@@ -359,6 +366,19 @@ static struct sensor_device_attribute pwm[] = {
        SENSOR_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 2),
 };
 
+static struct attribute * pc8736x_fan_attr_array[] = {
+       FAN_UNIT_ATTRS(0),
+       FAN_UNIT_ATTRS(1),
+       FAN_UNIT_ATTRS(2),
+       &pwm[0].dev_attr.attr,
+       &pwm[1].dev_attr.attr,
+       &pwm[2].dev_attr.attr,
+       NULL
+};
+static const struct attribute_group pc8736x_fan_group = {
+       .attrs = pc8736x_fan_attr_array,
+};
+
 static ssize_t show_in_input(struct device *dev, struct device_attribute *devattr, char *buf)
 {
        struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
@@ -471,6 +491,61 @@ static struct sensor_device_attribute in_max[] = {
        SENSOR_ATTR(in10_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 10),
 };
 
+#define VIN_UNIT_ATTRS(X) \
+       &in_input[X].dev_attr.attr,     \
+       &in_status[X].dev_attr.attr,    \
+       &in_min[X].dev_attr.attr,       \
+       &in_max[X].dev_attr.attr
+
+static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char *buf)
+{
+       struct pc87360_data *data = pc87360_update_device(dev);
+       return sprintf(buf, "%u\n", vid_from_reg(data->vid, data->vrm));
+}
+static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL);
+
+static ssize_t show_vrm(struct device *dev, struct device_attribute *attr, char *buf)
+{
+       struct pc87360_data *data = pc87360_update_device(dev);
+       return sprintf(buf, "%u\n", data->vrm);
+}
+static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+{
+       struct i2c_client *client = to_i2c_client(dev);
+       struct pc87360_data *data = i2c_get_clientdata(client);
+       data->vrm = simple_strtoul(buf, NULL, 10);
+       return count;
+}
+static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm);
+
+static ssize_t show_in_alarms(struct device *dev, struct device_attribute *attr, char *buf)
+{
+       struct pc87360_data *data = pc87360_update_device(dev);
+       return sprintf(buf, "%u\n", data->in_alarms);
+}
+static DEVICE_ATTR(alarms_in, S_IRUGO, show_in_alarms, NULL);
+
+static struct attribute *pc8736x_vin_attr_array[] = {
+       VIN_UNIT_ATTRS(0),
+       VIN_UNIT_ATTRS(1),
+       VIN_UNIT_ATTRS(2),
+       VIN_UNIT_ATTRS(3),
+       VIN_UNIT_ATTRS(4),
+       VIN_UNIT_ATTRS(5),
+       VIN_UNIT_ATTRS(6),
+       VIN_UNIT_ATTRS(7),
+       VIN_UNIT_ATTRS(8),
+       VIN_UNIT_ATTRS(9),
+       VIN_UNIT_ATTRS(10),
+       &dev_attr_cpu0_vid.attr,
+       &dev_attr_vrm.attr,
+       &dev_attr_alarms_in.attr,
+       NULL
+};
+static const struct attribute_group pc8736x_vin_group = {
+       .attrs = pc8736x_vin_attr_array,
+};
+
 static ssize_t show_therm_input(struct device *dev, struct device_attribute *devattr, char *buf)
 {
        struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
@@ -589,33 +664,22 @@ static struct sensor_device_attribute therm_crit[] = {
                    show_therm_crit, set_therm_crit, 2+11),
 };
 
-static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char *buf)
-{
-       struct pc87360_data *data = pc87360_update_device(dev);
-       return sprintf(buf, "%u\n", vid_from_reg(data->vid, data->vrm));
-}
-static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL);
-
-static ssize_t show_vrm(struct device *dev, struct device_attribute *attr, char *buf)
-{
-       struct pc87360_data *data = pc87360_update_device(dev);
-       return sprintf(buf, "%u\n", data->vrm);
-}
-static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
-{
-       struct i2c_client *client = to_i2c_client(dev);
-       struct pc87360_data *data = i2c_get_clientdata(client);
-       data->vrm = simple_strtoul(buf, NULL, 10);
-       return count;
-}
-static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm);
-
-static ssize_t show_in_alarms(struct device *dev, struct device_attribute *attr, char *buf)
-{
-       struct pc87360_data *data = pc87360_update_device(dev);
-       return sprintf(buf, "%u\n", data->in_alarms);
-}
-static DEVICE_ATTR(alarms_in, S_IRUGO, show_in_alarms, NULL);
+#define THERM_UNIT_ATTRS(X) \
+       &therm_input[X].dev_attr.attr,  \
+       &therm_status[X].dev_attr.attr, \
+       &therm_min[X].dev_attr.attr,    \
+       &therm_max[X].dev_attr.attr,    \
+       &therm_crit[X].dev_attr.attr
+
+static struct attribute * pc8736x_therm_attr_array[] = {
+       THERM_UNIT_ATTRS(0),
+       THERM_UNIT_ATTRS(1),
+       THERM_UNIT_ATTRS(2),
+       NULL
+};
+static const struct attribute_group pc8736x_therm_group = {
+       .attrs = pc8736x_therm_attr_array,
+};
 
 static ssize_t show_temp_input(struct device *dev, struct device_attribute *devattr, char *buf)
 {
@@ -735,6 +799,25 @@ static ssize_t show_temp_alarms(struct device *dev, struct device_attribute *att
 }
 static DEVICE_ATTR(alarms_temp, S_IRUGO, show_temp_alarms, NULL);
 
+#define TEMP_UNIT_ATTRS(X) \
+       &temp_input[X].dev_attr.attr,   \
+       &temp_status[X].dev_attr.attr,  \
+       &temp_min[X].dev_attr.attr,     \
+       &temp_max[X].dev_attr.attr,     \
+       &temp_crit[X].dev_attr.attr
+
+static struct attribute * pc8736x_temp_attr_array[] = {
+       TEMP_UNIT_ATTRS(0),
+       TEMP_UNIT_ATTRS(1),
+       TEMP_UNIT_ATTRS(2),
+       /* include the few miscellaneous atts here */
+       &dev_attr_alarms_temp.attr,
+       NULL
+};
+static const struct attribute_group pc8736x_temp_group = {
+       .attrs = pc8736x_temp_attr_array,
+};
+
 /*
  * Device detection, registration and update
  */
@@ -917,7 +1000,7 @@ static int pc87360_detect(struct i2c_adapter *adapter)
                        (i&0x02) ? "external" : "internal");
 
                data->vid_conf = confreg[3];
-               data->vrm = 90;
+               data->vrm = vid_which_vrm();
        }
 
        /* Fan clock dividers may be needed before any data is read */
@@ -935,60 +1018,69 @@ static int pc87360_detect(struct i2c_adapter *adapter)
                pc87360_init_client(client, use_thermistors);
        }
 
-       /* Register sysfs hooks */
-       data->class_dev = hwmon_device_register(&client->dev);
-       if (IS_ERR(data->class_dev)) {
-               err = PTR_ERR(data->class_dev);
+       /* Register all-or-nothing sysfs groups */
+
+       if (data->innr &&
+           (err = sysfs_create_group(&client->dev.kobj,
+                                     &pc8736x_vin_group)))
                goto ERROR3;
-       }
 
-       if (data->innr) {
-               for (i = 0; i < 11; i++) {
-                       device_create_file(dev, &in_input[i].dev_attr);
-                       device_create_file(dev, &in_min[i].dev_attr);
-                       device_create_file(dev, &in_max[i].dev_attr);
-                       device_create_file(dev, &in_status[i].dev_attr);
-               }
-               device_create_file(dev, &dev_attr_cpu0_vid);
-               device_create_file(dev, &dev_attr_vrm);
-               device_create_file(dev, &dev_attr_alarms_in);
-       }
+       if (data->innr == 14 &&
+           (err = sysfs_create_group(&client->dev.kobj,
+                                     &pc8736x_therm_group)))
+               goto ERROR3;
+
+       /* create device attr-files for varying sysfs groups */
 
        if (data->tempnr) {
                for (i = 0; i < data->tempnr; i++) {
-                       device_create_file(dev, &temp_input[i].dev_attr);
-                       device_create_file(dev, &temp_min[i].dev_attr);
-                       device_create_file(dev, &temp_max[i].dev_attr);
-                       device_create_file(dev, &temp_crit[i].dev_attr);
-                       device_create_file(dev, &temp_status[i].dev_attr);
-               }
-               device_create_file(dev, &dev_attr_alarms_temp);
-       }
-
-       if (data->innr == 14) {
-               for (i = 0; i < 3; i++) {
-                       device_create_file(dev, &therm_input[i].dev_attr);
-                       device_create_file(dev, &therm_min[i].dev_attr);
-                       device_create_file(dev, &therm_max[i].dev_attr);
-                       device_create_file(dev, &therm_crit[i].dev_attr);
-                       device_create_file(dev, &therm_status[i].dev_attr);
+                       if ((err = device_create_file(dev,
+                                       &temp_input[i].dev_attr))
+                           || (err = device_create_file(dev,
+                                       &temp_min[i].dev_attr))
+                           || (err = device_create_file(dev,
+                                       &temp_max[i].dev_attr))
+                           || (err = device_create_file(dev,
+                                       &temp_crit[i].dev_attr))
+                           || (err = device_create_file(dev,
+                                       &temp_status[i].dev_attr)))
+                               goto ERROR3;
                }
+               if ((err = device_create_file(dev, &dev_attr_alarms_temp)))
+                       goto ERROR3;
        }
 
        for (i = 0; i < data->fannr; i++) {
-               if (FAN_CONFIG_MONITOR(data->fan_conf, i)) {
-                       device_create_file(dev, &fan_input[i].dev_attr);
-                       device_create_file(dev, &fan_min[i].dev_attr);
-                       device_create_file(dev, &fan_div[i].dev_attr);
-                       device_create_file(dev, &fan_status[i].dev_attr);
-               }
-               if (FAN_CONFIG_CONTROL(data->fan_conf, i))
-                       device_create_file(dev, &pwm[i].dev_attr);
+               if (FAN_CONFIG_MONITOR(data->fan_conf, i)
+                   && ((err = device_create_file(dev,
+                                       &fan_input[i].dev_attr))
+                       || (err = device_create_file(dev,
+                                       &fan_min[i].dev_attr))
+                       || (err = device_create_file(dev,
+                                       &fan_div[i].dev_attr))
+                       || (err = device_create_file(dev,
+                                       &fan_status[i].dev_attr))))
+                       goto ERROR3;
+
+               if (FAN_CONFIG_CONTROL(data->fan_conf, i)
+                   && (err = device_create_file(dev, &pwm[i].dev_attr)))
+                       goto ERROR3;
        }
 
+       data->class_dev = hwmon_device_register(&client->dev);
+       if (IS_ERR(data->class_dev)) {
+               err = PTR_ERR(data->class_dev);
+               goto ERROR3;
+       }
        return 0;
 
 ERROR3:
+       /* can still remove groups whose members were added individually */
+       sysfs_remove_group(&client->dev.kobj, &pc8736x_temp_group);
+       sysfs_remove_group(&client->dev.kobj, &pc8736x_fan_group);
+       sysfs_remove_group(&client->dev.kobj, &pc8736x_therm_group);
+       sysfs_remove_group(&client->dev.kobj, &pc8736x_vin_group);
+
        i2c_detach_client(client);
 ERROR2:
        for (i = 0; i < 3; i++) {
@@ -1008,6 +1100,11 @@ static int pc87360_detach_client(struct i2c_client *client)
 
        hwmon_device_unregister(data->class_dev);
 
+       sysfs_remove_group(&client->dev.kobj, &pc8736x_temp_group);
+       sysfs_remove_group(&client->dev.kobj, &pc8736x_fan_group);
+       sysfs_remove_group(&client->dev.kobj, &pc8736x_therm_group);
+       sysfs_remove_group(&client->dev.kobj, &pc8736x_vin_group);
+
        if ((i = i2c_detach_client(client)))
                return i;