hwmon: (gl520sm) Avoid forward declaration

Reorder functions to avoid forward declaration.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

diff --git a/drivers/hwmon/gl520sm.c b/drivers/hwmon/gl520sm.c
index ed56e09c3dd7147b4f209fb0a79244300692c341..86c08a17210d591bbefe6e253f63e59efd7e6038 100644 (file)
--- a/drivers/hwmon/gl520sm.c
+++ b/drivers/hwmon/gl520sm.c
@@ -73,38 +73,6 @@ static const u8 GL520_REG_TEMP_MAX_HYST[]    = { 0x06, 0x18 };
 #define GL520_REG_BEEP_MASK            0x10
 #define GL520_REG_BEEP_ENABLE          GL520_REG_CONF
 
-/*
- * Function declarations
- */
-
-static int gl520_probe(struct i2c_client *client,
-                      const struct i2c_device_id *id);
-static int gl520_detect(struct i2c_client *client, struct i2c_board_info *info);
-static void gl520_init_client(struct i2c_client *client);
-static int gl520_remove(struct i2c_client *client);
-static int gl520_read_value(struct i2c_client *client, u8 reg);
-static int gl520_write_value(struct i2c_client *client, u8 reg, u16 value);
-static struct gl520_data *gl520_update_device(struct device *dev);
-
-/* Driver data */
-static const struct i2c_device_id gl520_id[] = {
-       { "gl520sm", 0 },
-       { }
-};
-MODULE_DEVICE_TABLE(i2c, gl520_id);
-
-static struct i2c_driver gl520_driver = {
-       .class          = I2C_CLASS_HWMON,
-       .driver = {
-               .name   = "gl520sm",
-       },
-       .probe          = gl520_probe,
-       .remove         = gl520_remove,
-       .id_table       = gl520_id,
-       .detect         = gl520_detect,
-       .address_list   = normal_i2c,
-};
-
 /* Client data */
 struct gl520_data {
        struct device *hwmon_dev;
@@ -131,6 +99,102 @@ struct gl520_data {
        u8 two_temps;
 };
 
+/*
+ * Registers 0x07 to 0x0c are word-sized, others are byte-sized
+ * GL520 uses a high-byte first convention
+ */
+static int gl520_read_value(struct i2c_client *client, u8 reg)
+{
+       if ((reg >= 0x07) && (reg <= 0x0c))
+               return i2c_smbus_read_word_swapped(client, reg);
+       else
+               return i2c_smbus_read_byte_data(client, reg);
+}
+
+static int gl520_write_value(struct i2c_client *client, u8 reg, u16 value)
+{
+       if ((reg >= 0x07) && (reg <= 0x0c))
+               return i2c_smbus_write_word_swapped(client, reg, value);
+       else
+               return i2c_smbus_write_byte_data(client, reg, value);
+}
+
+static struct gl520_data *gl520_update_device(struct device *dev)
+{
+       struct i2c_client *client = to_i2c_client(dev);
+       struct gl520_data *data = i2c_get_clientdata(client);
+       int val, i;
+
+       mutex_lock(&data->update_lock);
+
+       if (time_after(jiffies, data->last_updated + 2 * HZ) || !data->valid) {
+
+               dev_dbg(&client->dev, "Starting gl520sm update\n");
+
+               data->alarms = gl520_read_value(client, GL520_REG_ALARMS);
+               data->beep_mask = gl520_read_value(client, GL520_REG_BEEP_MASK);
+               data->vid = gl520_read_value(client,
+                                            GL520_REG_VID_INPUT) & 0x1f;
+
+               for (i = 0; i < 4; i++) {
+                       data->in_input[i] = gl520_read_value(client,
+                                                       GL520_REG_IN_INPUT[i]);
+                       val = gl520_read_value(client, GL520_REG_IN_LIMIT[i]);
+                       data->in_min[i] = val & 0xff;
+                       data->in_max[i] = (val >> 8) & 0xff;
+               }
+
+               val = gl520_read_value(client, GL520_REG_FAN_INPUT);
+               data->fan_input[0] = (val >> 8) & 0xff;
+               data->fan_input[1] = val & 0xff;
+
+               val = gl520_read_value(client, GL520_REG_FAN_MIN);
+               data->fan_min[0] = (val >> 8) & 0xff;
+               data->fan_min[1] = val & 0xff;
+
+               data->temp_input[0] = gl520_read_value(client,
+                                               GL520_REG_TEMP_INPUT[0]);
+               data->temp_max[0] = gl520_read_value(client,
+                                               GL520_REG_TEMP_MAX[0]);
+               data->temp_max_hyst[0] = gl520_read_value(client,
+                                               GL520_REG_TEMP_MAX_HYST[0]);
+
+               val = gl520_read_value(client, GL520_REG_FAN_DIV);
+               data->fan_div[0] = (val >> 6) & 0x03;
+               data->fan_div[1] = (val >> 4) & 0x03;
+               data->fan_off = (val >> 2) & 0x01;
+
+               data->alarms &= data->alarm_mask;
+
+               val = gl520_read_value(client, GL520_REG_CONF);
+               data->beep_enable = !((val >> 2) & 1);
+
+               /* Temp1 and Vin4 are the same input */
+               if (data->two_temps) {
+                       data->temp_input[1] = gl520_read_value(client,
+                                               GL520_REG_TEMP_INPUT[1]);
+                       data->temp_max[1] = gl520_read_value(client,
+                                               GL520_REG_TEMP_MAX[1]);
+                       data->temp_max_hyst[1] = gl520_read_value(client,
+                                               GL520_REG_TEMP_MAX_HYST[1]);
+               } else {
+                       data->in_input[4] = gl520_read_value(client,
+                                               GL520_REG_IN_INPUT[4]);
+                       data->in_min[4] = gl520_read_value(client,
+                                               GL520_REG_IN_MIN[4]);
+                       data->in_max[4] = gl520_read_value(client,
+                                               GL520_REG_IN_MAX[4]);
+               }
+
+               data->last_updated = jiffies;
+               data->valid = 1;
+       }
+
+       mutex_unlock(&data->update_lock);
+
+       return data;
+}
+
 /*
  * Sysfs stuff
  */
@@ -772,6 +836,44 @@ static int gl520_detect(struct i2c_client *client, struct i2c_board_info *info)
        return 0;
 }
 
+/* Called when we have found a new GL520SM. */
+static void gl520_init_client(struct i2c_client *client)
+{
+       struct gl520_data *data = i2c_get_clientdata(client);
+       u8 oldconf, conf;
+
+       conf = oldconf = gl520_read_value(client, GL520_REG_CONF);
+
+       data->alarm_mask = 0xff;
+       data->vrm = vid_which_vrm();
+
+       if (extra_sensor_type == 1)
+               conf &= ~0x10;
+       else if (extra_sensor_type == 2)
+               conf |= 0x10;
+       data->two_temps = !(conf & 0x10);
+
+       /* If IRQ# is disabled, we can safely force comparator mode */
+       if (!(conf & 0x20))
+               conf &= 0xf7;
+
+       /* Enable monitoring if needed */
+       conf |= 0x40;
+
+       if (conf != oldconf)
+               gl520_write_value(client, GL520_REG_CONF, conf);
+
+       gl520_update_device(&(client->dev));
+
+       if (data->fan_min[0] == 0)
+               data->alarm_mask &= ~0x20;
+       if (data->fan_min[1] == 0)
+               data->alarm_mask &= ~0x40;
+
+       data->beep_mask &= data->alarm_mask;
+       gl520_write_value(client, GL520_REG_BEEP_MASK, data->beep_mask);
+}
+
 static int gl520_probe(struct i2c_client *client,
                       const struct i2c_device_id *id)
 {
@@ -817,45 +919,6 @@ exit_remove_files:
        return err;
 }
 
-
-/* Called when we have found a new GL520SM. */
-static void gl520_init_client(struct i2c_client *client)
-{
-       struct gl520_data *data = i2c_get_clientdata(client);
-       u8 oldconf, conf;
-
-       conf = oldconf = gl520_read_value(client, GL520_REG_CONF);
-
-       data->alarm_mask = 0xff;
-       data->vrm = vid_which_vrm();
-
-       if (extra_sensor_type == 1)
-               conf &= ~0x10;
-       else if (extra_sensor_type == 2)
-               conf |= 0x10;
-       data->two_temps = !(conf & 0x10);
-
-       /* If IRQ# is disabled, we can safely force comparator mode */
-       if (!(conf & 0x20))
-               conf &= 0xf7;
-
-       /* Enable monitoring if needed */
-       conf |= 0x40;
-
-       if (conf != oldconf)
-               gl520_write_value(client, GL520_REG_CONF, conf);
-
-       gl520_update_device(&(client->dev));
-
-       if (data->fan_min[0] == 0)
-               data->alarm_mask &= ~0x20;
-       if (data->fan_min[1] == 0)
-               data->alarm_mask &= ~0x40;
-
-       data->beep_mask &= data->alarm_mask;
-       gl520_write_value(client, GL520_REG_BEEP_MASK, data->beep_mask);
-}
-
 static int gl520_remove(struct i2c_client *client)
 {
        struct gl520_data *data = i2c_get_clientdata(client);
@@ -868,103 +931,23 @@ static int gl520_remove(struct i2c_client *client)
        return 0;
 }
 
+static const struct i2c_device_id gl520_id[] = {
+       { "gl520sm", 0 },
+       { }
+};
+MODULE_DEVICE_TABLE(i2c, gl520_id);
 
-/*
- * Registers 0x07 to 0x0c are word-sized, others are byte-sized
- * GL520 uses a high-byte first convention
- */
-static int gl520_read_value(struct i2c_client *client, u8 reg)
-{
-       if ((reg >= 0x07) && (reg <= 0x0c))
-               return i2c_smbus_read_word_swapped(client, reg);
-       else
-               return i2c_smbus_read_byte_data(client, reg);
-}
-
-static int gl520_write_value(struct i2c_client *client, u8 reg, u16 value)
-{
-       if ((reg >= 0x07) && (reg <= 0x0c))
-               return i2c_smbus_write_word_swapped(client, reg, value);
-       else
-               return i2c_smbus_write_byte_data(client, reg, value);
-}
-
-
-static struct gl520_data *gl520_update_device(struct device *dev)
-{
-       struct i2c_client *client = to_i2c_client(dev);
-       struct gl520_data *data = i2c_get_clientdata(client);
-       int val, i;
-
-       mutex_lock(&data->update_lock);
-
-       if (time_after(jiffies, data->last_updated + 2 * HZ) || !data->valid) {
-
-               dev_dbg(&client->dev, "Starting gl520sm update\n");
-
-               data->alarms = gl520_read_value(client, GL520_REG_ALARMS);
-               data->beep_mask = gl520_read_value(client, GL520_REG_BEEP_MASK);
-               data->vid = gl520_read_value(client,
-                                            GL520_REG_VID_INPUT) & 0x1f;
-
-               for (i = 0; i < 4; i++) {
-                       data->in_input[i] = gl520_read_value(client,
-                                                       GL520_REG_IN_INPUT[i]);
-                       val = gl520_read_value(client, GL520_REG_IN_LIMIT[i]);
-                       data->in_min[i] = val & 0xff;
-                       data->in_max[i] = (val >> 8) & 0xff;
-               }
-
-               val = gl520_read_value(client, GL520_REG_FAN_INPUT);
-               data->fan_input[0] = (val >> 8) & 0xff;
-               data->fan_input[1] = val & 0xff;
-
-               val = gl520_read_value(client, GL520_REG_FAN_MIN);
-               data->fan_min[0] = (val >> 8) & 0xff;
-               data->fan_min[1] = val & 0xff;
-
-               data->temp_input[0] = gl520_read_value(client,
-                                               GL520_REG_TEMP_INPUT[0]);
-               data->temp_max[0] = gl520_read_value(client,
-                                               GL520_REG_TEMP_MAX[0]);
-               data->temp_max_hyst[0] = gl520_read_value(client,
-                                               GL520_REG_TEMP_MAX_HYST[0]);
-
-               val = gl520_read_value(client, GL520_REG_FAN_DIV);
-               data->fan_div[0] = (val >> 6) & 0x03;
-               data->fan_div[1] = (val >> 4) & 0x03;
-               data->fan_off = (val >> 2) & 0x01;
-
-               data->alarms &= data->alarm_mask;
-
-               val = gl520_read_value(client, GL520_REG_CONF);
-               data->beep_enable = !((val >> 2) & 1);
-
-               /* Temp1 and Vin4 are the same input */
-               if (data->two_temps) {
-                       data->temp_input[1] = gl520_read_value(client,
-                                               GL520_REG_TEMP_INPUT[1]);
-                       data->temp_max[1] = gl520_read_value(client,
-                                               GL520_REG_TEMP_MAX[1]);
-                       data->temp_max_hyst[1] = gl520_read_value(client,
-                                               GL520_REG_TEMP_MAX_HYST[1]);
-               } else {
-                       data->in_input[4] = gl520_read_value(client,
-                                               GL520_REG_IN_INPUT[4]);
-                       data->in_min[4] = gl520_read_value(client,
-                                               GL520_REG_IN_MIN[4]);
-                       data->in_max[4] = gl520_read_value(client,
-                                               GL520_REG_IN_MAX[4]);
-               }
-
-               data->last_updated = jiffies;
-               data->valid = 1;
-       }
-
-       mutex_unlock(&data->update_lock);
-
-       return data;
-}
+static struct i2c_driver gl520_driver = {
+       .class          = I2C_CLASS_HWMON,
+       .driver = {
+               .name   = "gl520sm",
+       },
+       .probe          = gl520_probe,
+       .remove         = gl520_remove,
+       .id_table       = gl520_id,
+       .detect         = gl520_detect,
+       .address_list   = normal_i2c,
+};
 
 module_i2c_driver(gl520_driver);