hwmon: (max6650) Rearrange code to no longer require forward declarations
Cleanup only; no functional change. Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Guenter Roeck <linux@roeck-us.net>hifive-unleashed-5.1
Guenter Roeck
parent
6c588b45b0
commit
1577f94bce
|
|
@ -105,32 +105,6 @@ module_param(clock, int, S_IRUGO);
|
|||
|
||||
#define DIV_FROM_REG(reg) (1 << (reg & 7))
|
||||
|
||||
static int max6650_probe(struct i2c_client *client,
|
||||
const struct i2c_device_id *id);
|
||||
static int max6650_init_client(struct i2c_client *client);
|
||||
static int max6650_remove(struct i2c_client *client);
|
||||
static struct max6650_data *max6650_update_device(struct device *dev);
|
||||
|
||||
/*
|
||||
* Driver data (common to all clients)
|
||||
*/
|
||||
|
||||
static const struct i2c_device_id max6650_id[] = {
|
||||
{ "max6650", 1 },
|
||||
{ "max6651", 4 },
|
||||
{ }
|
||||
};
|
||||
MODULE_DEVICE_TABLE(i2c, max6650_id);
|
||||
|
||||
static struct i2c_driver max6650_driver = {
|
||||
.driver = {
|
||||
.name = "max6650",
|
||||
},
|
||||
.probe = max6650_probe,
|
||||
.remove = max6650_remove,
|
||||
.id_table = max6650_id,
|
||||
};
|
||||
|
||||
/*
|
||||
* Client data (each client gets its own)
|
||||
*/
|
||||
|
|
@ -151,6 +125,51 @@ struct max6650_data {
|
|||
u8 alarm;
|
||||
};
|
||||
|
||||
static const u8 tach_reg[] = {
|
||||
MAX6650_REG_TACH0,
|
||||
MAX6650_REG_TACH1,
|
||||
MAX6650_REG_TACH2,
|
||||
MAX6650_REG_TACH3,
|
||||
};
|
||||
|
||||
static struct max6650_data *max6650_update_device(struct device *dev)
|
||||
{
|
||||
int i;
|
||||
struct i2c_client *client = to_i2c_client(dev);
|
||||
struct max6650_data *data = i2c_get_clientdata(client);
|
||||
|
||||
mutex_lock(&data->update_lock);
|
||||
|
||||
if (time_after(jiffies, data->last_updated + HZ) || !data->valid) {
|
||||
data->speed = i2c_smbus_read_byte_data(client,
|
||||
MAX6650_REG_SPEED);
|
||||
data->config = i2c_smbus_read_byte_data(client,
|
||||
MAX6650_REG_CONFIG);
|
||||
for (i = 0; i < data->nr_fans; i++) {
|
||||
data->tach[i] = i2c_smbus_read_byte_data(client,
|
||||
tach_reg[i]);
|
||||
}
|
||||
data->count = i2c_smbus_read_byte_data(client,
|
||||
MAX6650_REG_COUNT);
|
||||
data->dac = i2c_smbus_read_byte_data(client, MAX6650_REG_DAC);
|
||||
|
||||
/*
|
||||
* Alarms are cleared on read in case the condition that
|
||||
* caused the alarm is removed. Keep the value latched here
|
||||
* for providing the register through different alarm files.
|
||||
*/
|
||||
data->alarm |= i2c_smbus_read_byte_data(client,
|
||||
MAX6650_REG_ALARM);
|
||||
|
||||
data->last_updated = jiffies;
|
||||
data->valid = 1;
|
||||
}
|
||||
|
||||
mutex_unlock(&data->update_lock);
|
||||
|
||||
return data;
|
||||
}
|
||||
|
||||
static ssize_t get_fan(struct device *dev, struct device_attribute *devattr,
|
||||
char *buf)
|
||||
{
|
||||
|
|
@ -539,64 +558,6 @@ static const struct attribute_group max6651_attr_grp = {
|
|||
* Real code
|
||||
*/
|
||||
|
||||
static int max6650_probe(struct i2c_client *client,
|
||||
const struct i2c_device_id *id)
|
||||
{
|
||||
struct max6650_data *data;
|
||||
int err;
|
||||
|
||||
data = devm_kzalloc(&client->dev, sizeof(struct max6650_data),
|
||||
GFP_KERNEL);
|
||||
if (!data) {
|
||||
dev_err(&client->dev, "out of memory.\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
i2c_set_clientdata(client, data);
|
||||
mutex_init(&data->update_lock);
|
||||
data->nr_fans = id->driver_data;
|
||||
|
||||
/*
|
||||
* Initialize the max6650 chip
|
||||
*/
|
||||
err = max6650_init_client(client);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
err = sysfs_create_group(&client->dev.kobj, &max6650_attr_grp);
|
||||
if (err)
|
||||
return err;
|
||||
/* 3 additional fan inputs for the MAX6651 */
|
||||
if (data->nr_fans == 4) {
|
||||
err = sysfs_create_group(&client->dev.kobj, &max6651_attr_grp);
|
||||
if (err)
|
||||
goto err_remove;
|
||||
}
|
||||
|
||||
data->hwmon_dev = hwmon_device_register(&client->dev);
|
||||
if (!IS_ERR(data->hwmon_dev))
|
||||
return 0;
|
||||
|
||||
err = PTR_ERR(data->hwmon_dev);
|
||||
dev_err(&client->dev, "error registering hwmon device.\n");
|
||||
if (data->nr_fans == 4)
|
||||
sysfs_remove_group(&client->dev.kobj, &max6651_attr_grp);
|
||||
err_remove:
|
||||
sysfs_remove_group(&client->dev.kobj, &max6650_attr_grp);
|
||||
return err;
|
||||
}
|
||||
|
||||
static int max6650_remove(struct i2c_client *client)
|
||||
{
|
||||
struct max6650_data *data = i2c_get_clientdata(client);
|
||||
|
||||
hwmon_device_unregister(data->hwmon_dev);
|
||||
if (data->nr_fans == 4)
|
||||
sysfs_remove_group(&client->dev.kobj, &max6651_attr_grp);
|
||||
sysfs_remove_group(&client->dev.kobj, &max6650_attr_grp);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int max6650_init_client(struct i2c_client *client)
|
||||
{
|
||||
struct max6650_data *data = i2c_get_clientdata(client);
|
||||
|
|
@ -684,51 +645,80 @@ static int max6650_init_client(struct i2c_client *client)
|
|||
return 0;
|
||||
}
|
||||
|
||||
static const u8 tach_reg[] = {
|
||||
MAX6650_REG_TACH0,
|
||||
MAX6650_REG_TACH1,
|
||||
MAX6650_REG_TACH2,
|
||||
MAX6650_REG_TACH3,
|
||||
};
|
||||
|
||||
static struct max6650_data *max6650_update_device(struct device *dev)
|
||||
static int max6650_probe(struct i2c_client *client,
|
||||
const struct i2c_device_id *id)
|
||||
{
|
||||
int i;
|
||||
struct i2c_client *client = to_i2c_client(dev);
|
||||
struct max6650_data *data = i2c_get_clientdata(client);
|
||||
struct max6650_data *data;
|
||||
int err;
|
||||
|
||||
mutex_lock(&data->update_lock);
|
||||
|
||||
if (time_after(jiffies, data->last_updated + HZ) || !data->valid) {
|
||||
data->speed = i2c_smbus_read_byte_data(client,
|
||||
MAX6650_REG_SPEED);
|
||||
data->config = i2c_smbus_read_byte_data(client,
|
||||
MAX6650_REG_CONFIG);
|
||||
for (i = 0; i < data->nr_fans; i++) {
|
||||
data->tach[i] = i2c_smbus_read_byte_data(client,
|
||||
tach_reg[i]);
|
||||
}
|
||||
data->count = i2c_smbus_read_byte_data(client,
|
||||
MAX6650_REG_COUNT);
|
||||
data->dac = i2c_smbus_read_byte_data(client, MAX6650_REG_DAC);
|
||||
|
||||
/*
|
||||
* Alarms are cleared on read in case the condition that
|
||||
* caused the alarm is removed. Keep the value latched here
|
||||
* for providing the register through different alarm files.
|
||||
*/
|
||||
data->alarm |= i2c_smbus_read_byte_data(client,
|
||||
MAX6650_REG_ALARM);
|
||||
|
||||
data->last_updated = jiffies;
|
||||
data->valid = 1;
|
||||
data = devm_kzalloc(&client->dev, sizeof(struct max6650_data),
|
||||
GFP_KERNEL);
|
||||
if (!data) {
|
||||
dev_err(&client->dev, "out of memory.\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
mutex_unlock(&data->update_lock);
|
||||
i2c_set_clientdata(client, data);
|
||||
mutex_init(&data->update_lock);
|
||||
data->nr_fans = id->driver_data;
|
||||
|
||||
return data;
|
||||
/*
|
||||
* Initialize the max6650 chip
|
||||
*/
|
||||
err = max6650_init_client(client);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
err = sysfs_create_group(&client->dev.kobj, &max6650_attr_grp);
|
||||
if (err)
|
||||
return err;
|
||||
/* 3 additional fan inputs for the MAX6651 */
|
||||
if (data->nr_fans == 4) {
|
||||
err = sysfs_create_group(&client->dev.kobj, &max6651_attr_grp);
|
||||
if (err)
|
||||
goto err_remove;
|
||||
}
|
||||
|
||||
data->hwmon_dev = hwmon_device_register(&client->dev);
|
||||
if (!IS_ERR(data->hwmon_dev))
|
||||
return 0;
|
||||
|
||||
err = PTR_ERR(data->hwmon_dev);
|
||||
dev_err(&client->dev, "error registering hwmon device.\n");
|
||||
if (data->nr_fans == 4)
|
||||
sysfs_remove_group(&client->dev.kobj, &max6651_attr_grp);
|
||||
err_remove:
|
||||
sysfs_remove_group(&client->dev.kobj, &max6650_attr_grp);
|
||||
return err;
|
||||
}
|
||||
|
||||
static int max6650_remove(struct i2c_client *client)
|
||||
{
|
||||
struct max6650_data *data = i2c_get_clientdata(client);
|
||||
|
||||
hwmon_device_unregister(data->hwmon_dev);
|
||||
if (data->nr_fans == 4)
|
||||
sysfs_remove_group(&client->dev.kobj, &max6651_attr_grp);
|
||||
sysfs_remove_group(&client->dev.kobj, &max6650_attr_grp);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct i2c_device_id max6650_id[] = {
|
||||
{ "max6650", 1 },
|
||||
{ "max6651", 4 },
|
||||
{ }
|
||||
};
|
||||
MODULE_DEVICE_TABLE(i2c, max6650_id);
|
||||
|
||||
static struct i2c_driver max6650_driver = {
|
||||
.driver = {
|
||||
.name = "max6650",
|
||||
},
|
||||
.probe = max6650_probe,
|
||||
.remove = max6650_remove,
|
||||
.id_table = max6650_id,
|
||||
};
|
||||
|
||||
module_i2c_driver(max6650_driver);
|
||||
|
||||
MODULE_AUTHOR("Hans J. Koch");
|
||||
|
|
|
|||
Loading…
Reference in New Issue