hwmon: (nct6775) Convert to use hwmon_device_register_with_groups

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c
index b82fad48777794e9775ce29f55817263508d2a81..58e9e11ef32a43990c215727696c8210c0e3485b 100644 (file)
--- a/drivers/hwmon/nct6775.c
+++ b/drivers/hwmon/nct6775.c
@@ -725,10 +725,9 @@ struct nct6775_data {
        const char *name;
 
        struct device *hwmon_dev;
-       struct attribute_group *group_in;
-       struct attribute_group *group_fan;
-       struct attribute_group *group_temp;
-       struct attribute_group *group_pwm;
+
+       int num_attr_groups;
+       const struct attribute_group *groups[6];
 
        u16 reg_temp[5][NUM_TEMP]; /* 0=temp, 1=temp_over, 2=temp_hyst,
                                    * 3=temp_crit, 4=temp_lcrit
@@ -942,7 +941,7 @@ nct6775_create_attr_group(struct device *dev, struct sensor_template_group *tg,
        struct sensor_device_attribute_2 *a2;
        struct attribute **attrs;
        struct sensor_device_template **t;
-       int err, i, j, count;
+       int i, j, count;
 
        if (repeat <= 0)
                return ERR_PTR(-EINVAL);
@@ -1002,10 +1001,6 @@ nct6775_create_attr_group(struct device *dev, struct sensor_template_group *tg,
                }
        }
 
-       err = sysfs_create_group(&dev->kobj, group);
-       if (err)
-               return ERR_PTR(-ENOMEM);
-
        return group;
 }
 
@@ -2726,16 +2721,6 @@ store_fan_time(struct device *dev, struct device_attribute *attr,
        return count;
 }
 
-static ssize_t
-show_name(struct device *dev, struct device_attribute *attr, char *buf)
-{
-       struct nct6775_data *data = dev_get_drvdata(dev);
-
-       return sprintf(buf, "%s\n", data->name);
-}
-
-static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
-
 static ssize_t
 show_auto_pwm(struct device *dev, struct device_attribute *attr, char *buf)
 {
@@ -3062,16 +3047,16 @@ static umode_t nct6775_other_is_visible(struct kobject *kobj,
        struct device *dev = container_of(kobj, struct device, kobj);
        struct nct6775_data *data = dev_get_drvdata(dev);
 
-       if (index == 1 && !data->have_vid)
+       if (index == 0 && !data->have_vid)
                return 0;
 
-       if (index == 2 || index == 3) {
-               if (data->ALARM_BITS[INTRUSION_ALARM_BASE + index - 2] < 0)
+       if (index == 1 || index == 2) {
+               if (data->ALARM_BITS[INTRUSION_ALARM_BASE + index - 1] < 0)
                        return 0;
        }
 
-       if (index == 4 || index == 5) {
-               if (data->BEEP_BITS[INTRUSION_ALARM_BASE + index - 4] < 0)
+       if (index == 3 || index == 4) {
+               if (data->BEEP_BITS[INTRUSION_ALARM_BASE + index - 3] < 0)
                        return 0;
        }
 
@@ -3084,13 +3069,12 @@ static umode_t nct6775_other_is_visible(struct kobject *kobj,
  * Any change in order or content must be matched.
  */
 static struct attribute *nct6775_attributes_other[] = {
-       &dev_attr_name.attr,
-       &dev_attr_cpu0_vid.attr,                                /* 1 */
-       &sensor_dev_attr_intrusion0_alarm.dev_attr.attr,        /* 2 */
-       &sensor_dev_attr_intrusion1_alarm.dev_attr.attr,        /* 3 */
-       &sensor_dev_attr_intrusion0_beep.dev_attr.attr,         /* 4 */
-       &sensor_dev_attr_intrusion1_beep.dev_attr.attr,         /* 5 */
-       &sensor_dev_attr_beep_enable.dev_attr.attr,             /* 6 */
+       &dev_attr_cpu0_vid.attr,                                /* 0 */
+       &sensor_dev_attr_intrusion0_alarm.dev_attr.attr,        /* 1 */
+       &sensor_dev_attr_intrusion1_alarm.dev_attr.attr,        /* 2 */
+       &sensor_dev_attr_intrusion0_beep.dev_attr.attr,         /* 3 */
+       &sensor_dev_attr_intrusion1_beep.dev_attr.attr,         /* 4 */
+       &sensor_dev_attr_beep_enable.dev_attr.attr,             /* 5 */
 
        NULL
 };
@@ -3100,27 +3084,6 @@ static const struct attribute_group nct6775_group_other = {
        .is_visible = nct6775_other_is_visible,
 };
 
-/*
- * Driver and device management
- */
-
-static void nct6775_device_remove_files(struct device *dev)
-{
-       struct nct6775_data *data = dev_get_drvdata(dev);
-
-       if (data->group_pwm)
-               sysfs_remove_group(&dev->kobj, data->group_pwm);
-       if (data->group_in)
-               sysfs_remove_group(&dev->kobj, data->group_in);
-       if (data->group_fan)
-               sysfs_remove_group(&dev->kobj, data->group_fan);
-       if (data->group_temp)
-               sysfs_remove_group(&dev->kobj, data->group_temp);
-
-       sysfs_remove_group(&dev->kobj, &nct6775_group_other);
-}
-
-/* Get the monitoring functions started */
 static inline void nct6775_init_device(struct nct6775_data *data)
 {
        int i;
@@ -3871,51 +3834,39 @@ static int nct6775_probe(struct platform_device *pdev)
        /* Register sysfs hooks */
        group = nct6775_create_attr_group(dev, &nct6775_pwm_template_group,
                                          data->pwm_num);
-       if (IS_ERR(group)) {
-               err = PTR_ERR(group);
-               goto exit_remove;
-       }
-       data->group_pwm = group;
+       if (IS_ERR(group))
+               return PTR_ERR(group);
+
+       data->groups[data->num_attr_groups++] = group;
 
        group = nct6775_create_attr_group(dev, &nct6775_in_template_group,
                                          fls(data->have_in));
-       if (IS_ERR(group)) {
-               err = PTR_ERR(group);
-               goto exit_remove;
-       }
-       data->group_in = group;
+       if (IS_ERR(group))
+               return PTR_ERR(group);
+
+       data->groups[data->num_attr_groups++] = group;
 
        group = nct6775_create_attr_group(dev, &nct6775_fan_template_group,
                                          fls(data->has_fan));
-       if (IS_ERR(group)) {
-               err = PTR_ERR(group);
-               goto exit_remove;
-       }
-       data->group_fan = group;
+       if (IS_ERR(group))
+               return PTR_ERR(group);
+
+       data->groups[data->num_attr_groups++] = group;
 
        group = nct6775_create_attr_group(dev, &nct6775_temp_template_group,
                                          fls(data->have_temp));
-       if (IS_ERR(group)) {
-               err = PTR_ERR(group);
-               goto exit_remove;
-       }
-       data->group_temp = group;
+       if (IS_ERR(group))
+               return PTR_ERR(group);
 
-       err = sysfs_create_group(&dev->kobj, &nct6775_group_other);
-       if (err)
-               goto exit_remove;
+       data->groups[data->num_attr_groups++] = group;
+       data->groups[data->num_attr_groups++] = &nct6775_group_other;
 
-       data->hwmon_dev = hwmon_device_register(dev);
-       if (IS_ERR(data->hwmon_dev)) {
-               err = PTR_ERR(data->hwmon_dev);
-               goto exit_remove;
-       }
+       data->hwmon_dev = hwmon_device_register_with_groups(dev, data->name,
+                                                           data, data->groups);
+       if (IS_ERR(data->hwmon_dev))
+               return PTR_ERR(data->hwmon_dev);
 
        return 0;
-
-exit_remove:
-       nct6775_device_remove_files(dev);
-       return err;
 }
 
 static int nct6775_remove(struct platform_device *pdev)
@@ -3923,7 +3874,6 @@ static int nct6775_remove(struct platform_device *pdev)
        struct nct6775_data *data = platform_get_drvdata(pdev);
 
        hwmon_device_unregister(data->hwmon_dev);
-       nct6775_device_remove_files(&pdev->dev);
 
        return 0;
 }
@@ -4102,7 +4052,7 @@ static int __init nct6775_find(int sioaddr, struct nct6775_sio_data *sio_data)
 /*
  * when Super-I/O functions move to a separate file, the Super-I/O
  * bus will manage the lifetime of the device and this module will only keep
- * track of the nct6775 driver. But since we platform_device_alloc(), we
+ * track of the nct6775 driver. But since we use platform_device_alloc(), we
  * must keep track of the device
  */
 static struct platform_device *pdev[2];