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authorJean Delvare <khali@linux-fr.org>2009-03-30 21:46:40 +0200
committerJean Delvare <khali@linux-fr.org>2009-03-30 21:46:40 +0200
commit9202add67454c6a6f9508f41e733edce705dc56e (patch)
treec95085164215c9374e838f1bf3f6051b74d99441 /drivers/hwmon/ds1621.c
parentMerge branch 'bzip2-lzma-for-linus' of git://git.kernel.org/pub/scm/linux/ker... (diff)
downloadlinux-9202add67454c6a6f9508f41e733edce705dc56e.tar.xz
linux-9202add67454c6a6f9508f41e733edce705dc56e.zip
hwmon: (ds1621) Reorder code statements
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>
Diffstat (limited to 'drivers/hwmon/ds1621.c')
-rw-r--r--drivers/hwmon/ds1621.c123
1 files changed, 57 insertions, 66 deletions
diff --git a/drivers/hwmon/ds1621.c b/drivers/hwmon/ds1621.c
index 7415381601c3..e688798e115f 100644
--- a/drivers/hwmon/ds1621.c
+++ b/drivers/hwmon/ds1621.c
@@ -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)
{