hwmon: (ds1621) Reorder code statements
authorJean Delvare <khali@linux-fr.org>
Mon, 30 Mar 2009 19:46:40 +0000 (21:46 +0200)
committerJean Delvare <khali@linux-fr.org>
Mon, 30 Mar 2009 19:46:40 +0000 (21:46 +0200)
Reorder the ds1621 driver code so that we can get rid of forward
function declarations.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Aurelien Jarno <aurelien@aurel32.net>
drivers/hwmon/ds1621.c

index 7415381..e688798 100644 (file)
@@ -81,34 +81,6 @@ struct ds1621_data {
        u8 conf;                        /* Register encoding, combined */
 };
 
-static int ds1621_probe(struct i2c_client *client,
-                       const struct i2c_device_id *id);
-static int ds1621_detect(struct i2c_client *client, int kind,
-                        struct i2c_board_info *info);
-static void ds1621_init_client(struct i2c_client *client);
-static int ds1621_remove(struct i2c_client *client);
-static struct ds1621_data *ds1621_update_client(struct device *dev);
-
-static const struct i2c_device_id ds1621_id[] = {
-       { "ds1621", ds1621 },
-       { "ds1625", ds1621 },
-       { }
-};
-MODULE_DEVICE_TABLE(i2c, ds1621_id);
-
-/* This is the driver that will be inserted */
-static struct i2c_driver ds1621_driver = {
-       .class          = I2C_CLASS_HWMON,
-       .driver = {
-               .name   = "ds1621",
-       },
-       .probe          = ds1621_probe,
-       .remove         = ds1621_remove,
-       .id_table       = ds1621_id,
-       .detect         = ds1621_detect,
-       .address_data   = &addr_data,
-};
-
 /* All registers are word-sized, except for the configuration register.
    DS1621 uses a high-byte first convention, which is exactly opposite to
    the SMBus standard. */
@@ -146,6 +118,45 @@ static void ds1621_init_client(struct i2c_client *client)
        i2c_smbus_write_byte(client, DS1621_COM_START);
 }
 
+static struct ds1621_data *ds1621_update_client(struct device *dev)
+{
+       struct i2c_client *client = to_i2c_client(dev);
+       struct ds1621_data *data = i2c_get_clientdata(client);
+       u8 new_conf;
+
+       mutex_lock(&data->update_lock);
+
+       if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
+           || !data->valid) {
+               int i;
+
+               dev_dbg(&client->dev, "Starting ds1621 update\n");
+
+               data->conf = ds1621_read_value(client, DS1621_REG_CONF);
+
+               for (i = 0; i < ARRAY_SIZE(data->temp); i++)
+                       data->temp[i] = ds1621_read_value(client,
+                                                         DS1621_REG_TEMP[i]);
+
+               /* reset alarms if necessary */
+               new_conf = data->conf;
+               if (data->temp[0] > data->temp[1])      /* input > min */
+                       new_conf &= ~DS1621_ALARM_TEMP_LOW;
+               if (data->temp[0] < data->temp[2])      /* input < max */
+                       new_conf &= ~DS1621_ALARM_TEMP_HIGH;
+               if (data->conf != new_conf)
+                       ds1621_write_value(client, DS1621_REG_CONF,
+                                          new_conf);
+
+               data->last_updated = jiffies;
+               data->valid = 1;
+       }
+
+       mutex_unlock(&data->update_lock);
+
+       return data;
+}
+
 static ssize_t show_temp(struct device *dev, struct device_attribute *da,
                         char *buf)
 {
@@ -294,45 +305,25 @@ static int ds1621_remove(struct i2c_client *client)
        return 0;
 }
 
+static const struct i2c_device_id ds1621_id[] = {
+       { "ds1621", ds1621 },
+       { "ds1625", ds1621 },
+       { }
+};
+MODULE_DEVICE_TABLE(i2c, ds1621_id);
 
-static struct ds1621_data *ds1621_update_client(struct device *dev)
-{
-       struct i2c_client *client = to_i2c_client(dev);
-       struct ds1621_data *data = i2c_get_clientdata(client);
-       u8 new_conf;
-
-       mutex_lock(&data->update_lock);
-
-       if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
-           || !data->valid) {
-               int i;
-
-               dev_dbg(&client->dev, "Starting ds1621 update\n");
-
-               data->conf = ds1621_read_value(client, DS1621_REG_CONF);
-
-               for (i = 0; i < ARRAY_SIZE(data->temp); i++)
-                       data->temp[i] = ds1621_read_value(client,
-                                                         DS1621_REG_TEMP[i]);
-
-               /* reset alarms if necessary */
-               new_conf = data->conf;
-               if (data->temp[0] > data->temp[1])      /* input > min */
-                       new_conf &= ~DS1621_ALARM_TEMP_LOW;
-               if (data->temp[0] < data->temp[2])      /* input < max */
-                       new_conf &= ~DS1621_ALARM_TEMP_HIGH;
-               if (data->conf != new_conf)
-                       ds1621_write_value(client, DS1621_REG_CONF,
-                                          new_conf);
-
-               data->last_updated = jiffies;
-               data->valid = 1;
-       }
-
-       mutex_unlock(&data->update_lock);
-
-       return data;
-}
+/* This is the driver that will be inserted */
+static struct i2c_driver ds1621_driver = {
+       .class          = I2C_CLASS_HWMON,
+       .driver = {
+               .name   = "ds1621",
+       },
+       .probe          = ds1621_probe,
+       .remove         = ds1621_remove,
+       .id_table       = ds1621_id,
+       .detect         = ds1621_detect,
+       .address_data   = &addr_data,
+};
 
 static int __init ds1621_init(void)
 {