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hwmon: (adm1029) Avoid forward declarations

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Reorder functions to avoid forward declarations.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Axel Lin 2014-06-29 09:41:08 +08:00 committed by Guenter Roeck
parent 337076f9b6
commit b12e484e8c
1 changed files with 78 additions and 93 deletions
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171
drivers/hwmon/adm1029.c
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@ -105,40 +105,6 @@ static const u8 ADM1029_REG_FAN_DIV[] = {
ADM1029_REG_FAN2_CONFIG,
};
/*
* Functions declaration
*/
static int adm1029_probe(struct i2c_client *client,
const struct i2c_device_id *id);
static int adm1029_detect(struct i2c_client *client,
struct i2c_board_info *info);
static int adm1029_remove(struct i2c_client *client);
static struct adm1029_data *adm1029_update_device(struct device *dev);
static int adm1029_init_client(struct i2c_client *client);
/*
* Driver data (common to all clients)
*/
static const struct i2c_device_id adm1029_id[] = {
{ "adm1029", 0 },
{ }
};
MODULE_DEVICE_TABLE(i2c, adm1029_id);
static struct i2c_driver adm1029_driver = {
.class = I2C_CLASS_HWMON,
.driver = {
.name = "adm1029",
},
.probe = adm1029_probe,
.remove = adm1029_remove,
.id_table = adm1029_id,
.detect = adm1029_detect,
.address_list = normal_i2c,
};
/*
* Client data (each client gets its own)
*/
@ -155,6 +121,50 @@ struct adm1029_data {
u8 fan_div[ARRAY_SIZE(ADM1029_REG_FAN_DIV)];
};
/*
* function that update the status of the chips (temperature for example)
*/
static struct adm1029_data *adm1029_update_device(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
struct adm1029_data *data = i2c_get_clientdata(client);
mutex_lock(&data->update_lock);
/*
* Use the "cache" Luke, don't recheck values
* if there are already checked not a long time later
*/
if (time_after(jiffies, data->last_updated + HZ * 2)
|| !data->valid) {
int nr;
dev_dbg(&client->dev, "Updating adm1029 data\n");
for (nr = 0; nr < ARRAY_SIZE(ADM1029_REG_TEMP); nr++) {
data->temp[nr] =
i2c_smbus_read_byte_data(client,
ADM1029_REG_TEMP[nr]);
}
for (nr = 0; nr < ARRAY_SIZE(ADM1029_REG_FAN); nr++) {
data->fan[nr] =
i2c_smbus_read_byte_data(client,
ADM1029_REG_FAN[nr]);
}
for (nr = 0; nr < ARRAY_SIZE(ADM1029_REG_FAN_DIV); nr++) {
data->fan_div[nr] =
i2c_smbus_read_byte_data(client,
ADM1029_REG_FAN_DIV[nr]);
}
data->last_updated = jiffies;
data->valid = 1;
}
mutex_unlock(&data->update_lock);
return data;
}
/*
* Sysfs stuff
*/
@ -340,6 +350,24 @@ static int adm1029_detect(struct i2c_client *client,
return 0;
}
static int adm1029_init_client(struct i2c_client *client)
{
u8 config;
config = i2c_smbus_read_byte_data(client, ADM1029_REG_CONFIG);
if ((config & 0x10) == 0) {
i2c_smbus_write_byte_data(client, ADM1029_REG_CONFIG,
config | 0x10);
}
/* recheck config */
config = i2c_smbus_read_byte_data(client, ADM1029_REG_CONFIG);
if ((config & 0x10) == 0) {
dev_err(&client->dev, "Initialization failed!\n");
return 0;
}
return 1;
}
static int adm1029_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
@ -379,23 +407,6 @@ static int adm1029_probe(struct i2c_client *client,
return err;
}
static int adm1029_init_client(struct i2c_client *client)
{
u8 config;
config = i2c_smbus_read_byte_data(client, ADM1029_REG_CONFIG);
if ((config & 0x10) == 0) {
i2c_smbus_write_byte_data(client, ADM1029_REG_CONFIG,
config | 0x10);
}
/* recheck config */
config = i2c_smbus_read_byte_data(client, ADM1029_REG_CONFIG);
if ((config & 0x10) == 0) {
dev_err(&client->dev, "Initialization failed!\n");
return 0;
}
return 1;
}
static int adm1029_remove(struct i2c_client *client)
{
struct adm1029_data *data = i2c_get_clientdata(client);
@ -406,49 +417,23 @@ static int adm1029_remove(struct i2c_client *client)
return 0;
}
/*
* function that update the status of the chips (temperature for example)
*/
static struct adm1029_data *adm1029_update_device(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
struct adm1029_data *data = i2c_get_clientdata(client);
static const struct i2c_device_id adm1029_id[] = {
{ "adm1029", 0 },
{ }
};
MODULE_DEVICE_TABLE(i2c, adm1029_id);
mutex_lock(&data->update_lock);
/*
* Use the "cache" Luke, don't recheck values
* if there are already checked not a long time later
*/
if (time_after(jiffies, data->last_updated + HZ * 2)
|| !data->valid) {
int nr;
dev_dbg(&client->dev, "Updating adm1029 data\n");
for (nr = 0; nr < ARRAY_SIZE(ADM1029_REG_TEMP); nr++) {
data->temp[nr] =
i2c_smbus_read_byte_data(client,
ADM1029_REG_TEMP[nr]);
}
for (nr = 0; nr < ARRAY_SIZE(ADM1029_REG_FAN); nr++) {
data->fan[nr] =
i2c_smbus_read_byte_data(client,
ADM1029_REG_FAN[nr]);
}
for (nr = 0; nr < ARRAY_SIZE(ADM1029_REG_FAN_DIV); nr++) {
data->fan_div[nr] =
i2c_smbus_read_byte_data(client,
ADM1029_REG_FAN_DIV[nr]);
}
data->last_updated = jiffies;
data->valid = 1;
}
mutex_unlock(&data->update_lock);
return data;
}
static struct i2c_driver adm1029_driver = {
.class = I2C_CLASS_HWMON,
.driver = {
.name = "adm1029",
},
.probe = adm1029_probe,
.remove = adm1029_remove,
.id_table = adm1029_id,
.detect = adm1029_detect,
.address_list = normal_i2c,
};
module_i2c_driver(adm1029_driver);