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path: root/drivers/hwmon/adt7462.c
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Diffstat (limited to 'drivers/hwmon/adt7462.c')
-rw-r--r--drivers/hwmon/adt7462.c142
1 files changed, 57 insertions, 85 deletions
diff --git a/drivers/hwmon/adt7462.c b/drivers/hwmon/adt7462.c
index 562cc3881d33..5929e126da63 100644
--- a/drivers/hwmon/adt7462.c
+++ b/drivers/hwmon/adt7462.c
@@ -202,8 +202,7 @@ static const unsigned short normal_i2c[] = { 0x58, 0x5C, I2C_CLIENT_END };
(((value) & prefix##_MASK) >> prefix##_SHIFT)
struct adt7462_data {
- struct device *hwmon_dev;
- struct attribute_group attrs;
+ struct i2c_client *client;
struct mutex lock;
char sensors_valid;
char limits_valid;
@@ -232,30 +231,6 @@ struct adt7462_data {
u8 alarms[ADT7462_ALARM_REG_COUNT];
};
-static int adt7462_probe(struct i2c_client *client,
- const struct i2c_device_id *id);
-static int adt7462_detect(struct i2c_client *client,
- struct i2c_board_info *info);
-static int adt7462_remove(struct i2c_client *client);
-
-static const struct i2c_device_id adt7462_id[] = {
- { "adt7462", 0 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, adt7462_id);
-
-static struct i2c_driver adt7462_driver = {
- .class = I2C_CLASS_HWMON,
- .driver = {
- .name = "adt7462",
- },
- .probe = adt7462_probe,
- .remove = adt7462_remove,
- .id_table = adt7462_id,
- .detect = adt7462_detect,
- .address_list = normal_i2c,
-};
-
/*
* 16-bit registers on the ADT7462 are low-byte first. The data sheet says
* that the low byte must be read before the high byte.
@@ -705,8 +680,8 @@ static int find_trange_value(int trange)
static struct adt7462_data *adt7462_update_device(struct device *dev)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct adt7462_data *data = i2c_get_clientdata(client);
+ struct adt7462_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
unsigned long local_jiffies = jiffies;
int i;
@@ -828,8 +803,8 @@ static ssize_t set_temp_min(struct device *dev,
size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
- struct i2c_client *client = to_i2c_client(dev);
- struct adt7462_data *data = i2c_get_clientdata(client);
+ struct adt7462_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
long temp;
if (kstrtol(buf, 10, &temp) || !temp_enabled(data, attr->index))
@@ -866,8 +841,8 @@ static ssize_t set_temp_max(struct device *dev,
size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
- struct i2c_client *client = to_i2c_client(dev);
- struct adt7462_data *data = i2c_get_clientdata(client);
+ struct adt7462_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
long temp;
if (kstrtol(buf, 10, &temp) || !temp_enabled(data, attr->index))
@@ -929,8 +904,8 @@ static ssize_t set_volt_max(struct device *dev,
size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
- struct i2c_client *client = to_i2c_client(dev);
- struct adt7462_data *data = i2c_get_clientdata(client);
+ struct adt7462_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
int x = voltage_multiplier(data, attr->index);
long temp;
@@ -971,8 +946,8 @@ static ssize_t set_volt_min(struct device *dev,
size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
- struct i2c_client *client = to_i2c_client(dev);
- struct adt7462_data *data = i2c_get_clientdata(client);
+ struct adt7462_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
int x = voltage_multiplier(data, attr->index);
long temp;
@@ -1061,8 +1036,8 @@ static ssize_t set_fan_min(struct device *dev,
const char *buf, size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
- struct i2c_client *client = to_i2c_client(dev);
- struct adt7462_data *data = i2c_get_clientdata(client);
+ struct adt7462_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
long temp;
if (kstrtol(buf, 10, &temp) || !temp ||
@@ -1109,8 +1084,8 @@ static ssize_t set_force_pwm_max(struct device *dev,
const char *buf,
size_t count)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct adt7462_data *data = i2c_get_clientdata(client);
+ struct adt7462_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
long temp;
u8 reg;
@@ -1142,8 +1117,8 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr,
const char *buf, size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
- struct i2c_client *client = to_i2c_client(dev);
- struct adt7462_data *data = i2c_get_clientdata(client);
+ struct adt7462_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
long temp;
if (kstrtol(buf, 10, &temp))
@@ -1172,8 +1147,8 @@ static ssize_t set_pwm_max(struct device *dev,
const char *buf,
size_t count)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct adt7462_data *data = i2c_get_clientdata(client);
+ struct adt7462_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
long temp;
if (kstrtol(buf, 10, &temp))
@@ -1204,8 +1179,8 @@ static ssize_t set_pwm_min(struct device *dev,
size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
- struct i2c_client *client = to_i2c_client(dev);
- struct adt7462_data *data = i2c_get_clientdata(client);
+ struct adt7462_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
long temp;
if (kstrtol(buf, 10, &temp))
@@ -1238,8 +1213,8 @@ static ssize_t set_pwm_hyst(struct device *dev,
size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
- struct i2c_client *client = to_i2c_client(dev);
- struct adt7462_data *data = i2c_get_clientdata(client);
+ struct adt7462_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
long temp;
if (kstrtol(buf, 10, &temp))
@@ -1283,8 +1258,8 @@ static ssize_t set_pwm_tmax(struct device *dev,
{
int temp;
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
- struct i2c_client *client = to_i2c_client(dev);
- struct adt7462_data *data = i2c_get_clientdata(client);
+ struct adt7462_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
int tmin, trange_value;
long trange;
@@ -1324,8 +1299,8 @@ static ssize_t set_pwm_tmin(struct device *dev,
size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
- struct i2c_client *client = to_i2c_client(dev);
- struct adt7462_data *data = i2c_get_clientdata(client);
+ struct adt7462_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
long temp;
if (kstrtol(buf, 10, &temp))
@@ -1381,8 +1356,8 @@ static ssize_t set_pwm_auto(struct device *dev,
size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
- struct i2c_client *client = to_i2c_client(dev);
- struct adt7462_data *data = i2c_get_clientdata(client);
+ struct adt7462_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
long temp;
if (kstrtol(buf, 10, &temp))
@@ -1440,8 +1415,8 @@ static ssize_t set_pwm_auto_temp(struct device *dev,
size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
- struct i2c_client *client = to_i2c_client(dev);
- struct adt7462_data *data = i2c_get_clientdata(client);
+ struct adt7462_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
long temp;
if (kstrtol(buf, 10, &temp))
@@ -1725,7 +1700,7 @@ static SENSOR_DEVICE_ATTR(pwm3_auto_channels_temp, S_IWUSR | S_IRUGO,
static SENSOR_DEVICE_ATTR(pwm4_auto_channels_temp, S_IWUSR | S_IRUGO,
show_pwm_auto_temp, set_pwm_auto_temp, 3);
-static struct attribute *adt7462_attr[] = {
+static struct attribute *adt7462_attrs[] = {
&sensor_dev_attr_temp1_max.dev_attr.attr,
&sensor_dev_attr_temp2_max.dev_attr.attr,
&sensor_dev_attr_temp3_max.dev_attr.attr,
@@ -1896,6 +1871,8 @@ static struct attribute *adt7462_attr[] = {
NULL
};
+ATTRIBUTE_GROUPS(adt7462);
+
/* Return 0 if detection is successful, -ENODEV otherwise */
static int adt7462_detect(struct i2c_client *client,
struct i2c_board_info *info)
@@ -1926,46 +1903,41 @@ static int adt7462_detect(struct i2c_client *client,
static int adt7462_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
+ struct device *dev = &client->dev;
struct adt7462_data *data;
- int err;
+ struct device *hwmon_dev;
- data = devm_kzalloc(&client->dev, sizeof(struct adt7462_data),
- GFP_KERNEL);
+ data = devm_kzalloc(dev, sizeof(struct adt7462_data), GFP_KERNEL);
if (!data)
return -ENOMEM;
- i2c_set_clientdata(client, data);
+ data->client = client;
mutex_init(&data->lock);
dev_info(&client->dev, "%s chip found\n", client->name);
- /* Register sysfs hooks */
- data->attrs.attrs = adt7462_attr;
- err = sysfs_create_group(&client->dev.kobj, &data->attrs);
- if (err)
- return err;
-
- data->hwmon_dev = hwmon_device_register(&client->dev);
- if (IS_ERR(data->hwmon_dev)) {
- err = PTR_ERR(data->hwmon_dev);
- goto exit_remove;
- }
-
- return 0;
-
-exit_remove:
- sysfs_remove_group(&client->dev.kobj, &data->attrs);
- return err;
+ hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name,
+ data,
+ adt7462_groups);
+ return PTR_ERR_OR_ZERO(hwmon_dev);
}
-static int adt7462_remove(struct i2c_client *client)
-{
- struct adt7462_data *data = i2c_get_clientdata(client);
+static const struct i2c_device_id adt7462_id[] = {
+ { "adt7462", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, adt7462_id);
- hwmon_device_unregister(data->hwmon_dev);
- sysfs_remove_group(&client->dev.kobj, &data->attrs);
- return 0;
-}
+static struct i2c_driver adt7462_driver = {
+ .class = I2C_CLASS_HWMON,
+ .driver = {
+ .name = "adt7462",
+ },
+ .probe = adt7462_probe,
+ .id_table = adt7462_id,
+ .detect = adt7462_detect,
+ .address_list = normal_i2c,
+};
module_i2c_driver(adt7462_driver);