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authorGuenter Roeck <linux@roeck-us.net>2014-04-12 19:14:33 +0200
committerGuenter Roeck <linux@roeck-us.net>2014-05-22 01:02:25 +0200
commit40089a9fe265cae0669e84c5ee6fafa59949c215 (patch)
treeda44ba7eb7695729aca47a060e08671e5b84b608 /drivers/hwmon
parenthwmon: (max1619) Drop FSF address (diff)
downloadlinux-40089a9fe265cae0669e84c5ee6fafa59949c215.tar.xz
linux-40089a9fe265cae0669e84c5ee6fafa59949c215.zip
hwmon: (max1619) Rearrange code to avoid forward declarations
Forward declarations are unnecessary and easy to avoid, so rearrange code and drop them. No functional change. Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon')
-rw-r--r--drivers/hwmon/max1619.c158
1 files changed, 69 insertions, 89 deletions
diff --git a/drivers/hwmon/max1619.c b/drivers/hwmon/max1619.c
index 9a8d7ca9b389..c8a729734df5 100644
--- a/drivers/hwmon/max1619.c
+++ b/drivers/hwmon/max1619.c
@@ -72,40 +72,6 @@ static int temp_to_reg(int val)
}
/*
- * Functions declaration
- */
-
-static int max1619_probe(struct i2c_client *client,
- const struct i2c_device_id *id);
-static int max1619_detect(struct i2c_client *client,
- struct i2c_board_info *info);
-static void max1619_init_client(struct i2c_client *client);
-static int max1619_remove(struct i2c_client *client);
-static struct max1619_data *max1619_update_device(struct device *dev);
-
-/*
- * Driver data (common to all clients)
- */
-
-static const struct i2c_device_id max1619_id[] = {
- { "max1619", 0 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, max1619_id);
-
-static struct i2c_driver max1619_driver = {
- .class = I2C_CLASS_HWMON,
- .driver = {
- .name = "max1619",
- },
- .probe = max1619_probe,
- .remove = max1619_remove,
- .id_table = max1619_id,
- .detect = max1619_detect,
- .address_list = normal_i2c,
-};
-
-/*
* Client data (each client gets its own)
*/
@@ -123,6 +89,44 @@ struct max1619_data {
u8 alarms;
};
+static struct max1619_data *max1619_update_device(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct max1619_data *data = i2c_get_clientdata(client);
+ int config;
+
+ mutex_lock(&data->update_lock);
+
+ if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) {
+ dev_dbg(&client->dev, "Updating max1619 data.\n");
+ data->temp_input1 = i2c_smbus_read_byte_data(client,
+ MAX1619_REG_R_LOCAL_TEMP);
+ data->temp_input2 = i2c_smbus_read_byte_data(client,
+ MAX1619_REG_R_REMOTE_TEMP);
+ data->temp_high2 = i2c_smbus_read_byte_data(client,
+ MAX1619_REG_R_REMOTE_HIGH);
+ data->temp_low2 = i2c_smbus_read_byte_data(client,
+ MAX1619_REG_R_REMOTE_LOW);
+ data->temp_crit2 = i2c_smbus_read_byte_data(client,
+ MAX1619_REG_R_REMOTE_CRIT);
+ data->temp_hyst2 = i2c_smbus_read_byte_data(client,
+ MAX1619_REG_R_TCRIT_HYST);
+ data->alarms = i2c_smbus_read_byte_data(client,
+ MAX1619_REG_R_STATUS);
+ /* If OVERT polarity is low, reverse alarm bit */
+ config = i2c_smbus_read_byte_data(client, MAX1619_REG_R_CONFIG);
+ if (!(config & 0x20))
+ data->alarms ^= 0x02;
+
+ data->last_updated = jiffies;
+ data->valid = 1;
+ }
+
+ mutex_unlock(&data->update_lock);
+
+ return data;
+}
+
/*
* Sysfs stuff
*/
@@ -216,10 +220,6 @@ static const struct attribute_group max1619_group = {
.attrs = max1619_attributes,
};
-/*
- * Real code
- */
-
/* Return 0 if detection is successful, -ENODEV otherwise */
static int max1619_detect(struct i2c_client *client,
struct i2c_board_info *info)
@@ -256,6 +256,21 @@ static int max1619_detect(struct i2c_client *client,
return 0;
}
+static void max1619_init_client(struct i2c_client *client)
+{
+ u8 config;
+
+ /*
+ * Start the conversions.
+ */
+ i2c_smbus_write_byte_data(client, MAX1619_REG_W_CONVRATE,
+ 5); /* 2 Hz */
+ config = i2c_smbus_read_byte_data(client, MAX1619_REG_R_CONFIG);
+ if (config & 0x40)
+ i2c_smbus_write_byte_data(client, MAX1619_REG_W_CONFIG,
+ config & 0xBF); /* run */
+}
+
static int max1619_probe(struct i2c_client *new_client,
const struct i2c_device_id *id)
{
@@ -291,21 +306,6 @@ exit_remove_files:
return err;
}
-static void max1619_init_client(struct i2c_client *client)
-{
- u8 config;
-
- /*
- * Start the conversions.
- */
- i2c_smbus_write_byte_data(client, MAX1619_REG_W_CONVRATE,
- 5); /* 2 Hz */
- config = i2c_smbus_read_byte_data(client, MAX1619_REG_R_CONFIG);
- if (config & 0x40)
- i2c_smbus_write_byte_data(client, MAX1619_REG_W_CONFIG,
- config & 0xBF); /* run */
-}
-
static int max1619_remove(struct i2c_client *client)
{
struct max1619_data *data = i2c_get_clientdata(client);
@@ -316,43 +316,23 @@ static int max1619_remove(struct i2c_client *client)
return 0;
}
-static struct max1619_data *max1619_update_device(struct device *dev)
-{
- struct i2c_client *client = to_i2c_client(dev);
- struct max1619_data *data = i2c_get_clientdata(client);
- int config;
-
- mutex_lock(&data->update_lock);
-
- if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) {
- dev_dbg(&client->dev, "Updating max1619 data.\n");
- data->temp_input1 = i2c_smbus_read_byte_data(client,
- MAX1619_REG_R_LOCAL_TEMP);
- data->temp_input2 = i2c_smbus_read_byte_data(client,
- MAX1619_REG_R_REMOTE_TEMP);
- data->temp_high2 = i2c_smbus_read_byte_data(client,
- MAX1619_REG_R_REMOTE_HIGH);
- data->temp_low2 = i2c_smbus_read_byte_data(client,
- MAX1619_REG_R_REMOTE_LOW);
- data->temp_crit2 = i2c_smbus_read_byte_data(client,
- MAX1619_REG_R_REMOTE_CRIT);
- data->temp_hyst2 = i2c_smbus_read_byte_data(client,
- MAX1619_REG_R_TCRIT_HYST);
- data->alarms = i2c_smbus_read_byte_data(client,
- MAX1619_REG_R_STATUS);
- /* If OVERT polarity is low, reverse alarm bit */
- config = i2c_smbus_read_byte_data(client, MAX1619_REG_R_CONFIG);
- if (!(config & 0x20))
- data->alarms ^= 0x02;
-
- data->last_updated = jiffies;
- data->valid = 1;
- }
-
- mutex_unlock(&data->update_lock);
+static const struct i2c_device_id max1619_id[] = {
+ { "max1619", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, max1619_id);
- return data;
-}
+static struct i2c_driver max1619_driver = {
+ .class = I2C_CLASS_HWMON,
+ .driver = {
+ .name = "max1619",
+ },
+ .probe = max1619_probe,
+ .remove = max1619_remove,
+ .id_table = max1619_id,
+ .detect = max1619_detect,
+ .address_list = normal_i2c,
+};
module_i2c_driver(max1619_driver);