]> git.karo-electronics.de Git - karo-tx-linux.git/blobdiff - drivers/hwmon/lm73.c
arm: imx6: defconfig: update tx6 defconfigs
[karo-tx-linux.git] / drivers / hwmon / lm73.c
index 9bde9644b102d9bcdade74ce20db444b832f9270..9653bb870a478f58e85443fb0bec69cd35f4a559 100644 (file)
@@ -55,7 +55,7 @@ static const unsigned short lm73_convrates[] = {
 };
 
 struct lm73_data {
-       struct device *hwmon_dev;
+       struct i2c_client *client;
        struct mutex lock;
        u8 ctrl;                        /* control register value */
 };
@@ -66,7 +66,7 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *da,
                        const char *buf, size_t count)
 {
        struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
-       struct i2c_client *client = to_i2c_client(dev);
+       struct lm73_data *data = dev_get_drvdata(dev);
        long temp;
        short value;
        s32 err;
@@ -77,7 +77,7 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *da,
 
        /* Write value */
        value = clamp_val(temp / 250, LM73_TEMP_MIN, LM73_TEMP_MAX) << 5;
-       err = i2c_smbus_write_word_swapped(client, attr->index, value);
+       err = i2c_smbus_write_word_swapped(data->client, attr->index, value);
        return (err < 0) ? err : count;
 }
 
@@ -85,10 +85,10 @@ static ssize_t show_temp(struct device *dev, struct device_attribute *da,
                         char *buf)
 {
        struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
-       struct i2c_client *client = to_i2c_client(dev);
+       struct lm73_data *data = dev_get_drvdata(dev);
        int temp;
 
-       s32 err = i2c_smbus_read_word_swapped(client, attr->index);
+       s32 err = i2c_smbus_read_word_swapped(data->client, attr->index);
        if (err < 0)
                return err;
 
@@ -101,8 +101,7 @@ static ssize_t show_temp(struct device *dev, struct device_attribute *da,
 static ssize_t set_convrate(struct device *dev, struct device_attribute *da,
                            const char *buf, size_t count)
 {
-       struct i2c_client *client = to_i2c_client(dev);
-       struct lm73_data *data = i2c_get_clientdata(client);
+       struct lm73_data *data = dev_get_drvdata(dev);
        unsigned long convrate;
        s32 err;
        int res = 0;
@@ -124,7 +123,8 @@ static ssize_t set_convrate(struct device *dev, struct device_attribute *da,
        mutex_lock(&data->lock);
        data->ctrl &= LM73_CTRL_TO_MASK;
        data->ctrl |= res << LM73_CTRL_RES_SHIFT;
-       err = i2c_smbus_write_byte_data(client, LM73_REG_CTRL, data->ctrl);
+       err = i2c_smbus_write_byte_data(data->client, LM73_REG_CTRL,
+                                       data->ctrl);
        mutex_unlock(&data->lock);
 
        if (err < 0)
@@ -136,8 +136,7 @@ static ssize_t set_convrate(struct device *dev, struct device_attribute *da,
 static ssize_t show_convrate(struct device *dev, struct device_attribute *da,
                             char *buf)
 {
-       struct i2c_client *client = to_i2c_client(dev);
-       struct lm73_data *data = i2c_get_clientdata(client);
+       struct lm73_data *data = dev_get_drvdata(dev);
        int res;
 
        res = (data->ctrl & LM73_CTRL_RES_MASK) >> LM73_CTRL_RES_SHIFT;
@@ -147,13 +146,12 @@ static ssize_t show_convrate(struct device *dev, struct device_attribute *da,
 static ssize_t show_maxmin_alarm(struct device *dev,
                                 struct device_attribute *da, char *buf)
 {
-       struct i2c_client *client = to_i2c_client(dev);
        struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
-       struct lm73_data *data = i2c_get_clientdata(client);
+       struct lm73_data *data = dev_get_drvdata(dev);
        s32 ctrl;
 
        mutex_lock(&data->lock);
-       ctrl = i2c_smbus_read_byte_data(client, LM73_REG_CTRL);
+       ctrl = i2c_smbus_read_byte_data(data->client, LM73_REG_CTRL);
        if (ctrl < 0)
                goto abort;
        data->ctrl = ctrl;
@@ -183,7 +181,7 @@ static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO,
 static SENSOR_DEVICE_ATTR(temp1_min_alarm, S_IRUGO,
                        show_maxmin_alarm, NULL, LM73_CTRL_LO_SHIFT);
 
-static struct attribute *lm73_attributes[] = {
+static struct attribute *lm73_attrs[] = {
        &sensor_dev_attr_temp1_input.dev_attr.attr,
        &sensor_dev_attr_temp1_max.dev_attr.attr,
        &sensor_dev_attr_temp1_min.dev_attr.attr,
@@ -192,10 +190,7 @@ static struct attribute *lm73_attributes[] = {
        &sensor_dev_attr_temp1_min_alarm.dev_attr.attr,
        NULL
 };
-
-static const struct attribute_group lm73_group = {
-       .attrs = lm73_attributes,
-};
+ATTRIBUTE_GROUPS(lm73);
 
 /*-----------------------------------------------------------------------*/
 
@@ -204,16 +199,16 @@ static const struct attribute_group lm73_group = {
 static int
 lm73_probe(struct i2c_client *client, const struct i2c_device_id *id)
 {
-       int status;
+       struct device *dev = &client->dev;
+       struct device *hwmon_dev;
        struct lm73_data *data;
        int ctrl;
 
-       data = devm_kzalloc(&client->dev, sizeof(struct lm73_data),
-                           GFP_KERNEL);
+       data = devm_kzalloc(dev, sizeof(struct lm73_data), GFP_KERNEL);
        if (!data)
                return -ENOMEM;
 
-       i2c_set_clientdata(client, data);
+       data->client = client;
        mutex_init(&data->lock);
 
        ctrl = i2c_smbus_read_byte_data(client, LM73_REG_CTRL);
@@ -221,33 +216,13 @@ lm73_probe(struct i2c_client *client, const struct i2c_device_id *id)
                return ctrl;
        data->ctrl = ctrl;
 
-       /* Register sysfs hooks */
-       status = sysfs_create_group(&client->dev.kobj, &lm73_group);
-       if (status)
-               return status;
-
-       data->hwmon_dev = hwmon_device_register(&client->dev);
-       if (IS_ERR(data->hwmon_dev)) {
-               status = PTR_ERR(data->hwmon_dev);
-               goto exit_remove;
-       }
+       hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name,
+                                                          data, lm73_groups);
+       if (IS_ERR(hwmon_dev))
+               return PTR_ERR(hwmon_dev);
 
-       dev_info(&client->dev, "%s: sensor '%s'\n",
-                dev_name(data->hwmon_dev), client->name);
-
-       return 0;
-
-exit_remove:
-       sysfs_remove_group(&client->dev.kobj, &lm73_group);
-       return status;
-}
-
-static int lm73_remove(struct i2c_client *client)
-{
-       struct lm73_data *data = i2c_get_clientdata(client);
+       dev_info(dev, "sensor '%s'\n", client->name);
 
-       hwmon_device_unregister(data->hwmon_dev);
-       sysfs_remove_group(&client->dev.kobj, &lm73_group);
        return 0;
 }
 
@@ -300,7 +275,6 @@ static struct i2c_driver lm73_driver = {
                .name   = "lm73",
        },
        .probe          = lm73_probe,
-       .remove         = lm73_remove,
        .id_table       = lm73_ids,
        .detect         = lm73_detect,
        .address_list   = normal_i2c,