hwmon: (adm1026) More cleanups (updated)

Various cleanups:
* Drop an unused define.
* Drop unused struct member "type".
* Drop one useless instruction.
* Drop redundant initializations to 0.
* Rename new_client to client.
* Drop a useless cast.
* Minor code cleanup.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>

diff --git a/drivers/hwmon/adm1026.c b/drivers/hwmon/adm1026.c
index 9f44ed7..a20af03 100644 (file)
--- a/drivers/hwmon/adm1026.c
+++ b/drivers/hwmon/adm1026.c
@@ -232,9 +232,6 @@ static int adm1026_scaling[] = { /* .001 Volts */
 #define DAC_TO_REG(val) (SENSORS_LIMIT(((((val)*255)+500)/2500), 0, 255))
 #define DAC_FROM_REG(val) (((val)*2500)/255)
 
-/* Typically used with systems using a v9.1 VRM spec ? */
-#define ADM1026_INIT_VRM  91
-
 /* Chip sampling rates
  *
  * Some sensors are not updated more frequently than once per second
@@ -264,7 +261,6 @@ struct pwm_data {
 struct adm1026_data {
        struct i2c_client client;
        struct device *hwmon_dev;
-       enum chips type;
 
        struct mutex update_lock;
        int valid;              /* !=0 if following fields are valid */
@@ -387,7 +383,6 @@ static void adm1026_init_client(struct i2c_client *client)
                        "and temp limits enabled.\n");
        }
 
-       value = data->config3;
        if (data->config3 & CFG3_GPIO16_ENABLE) {
                dev_dbg(&client->dev, "GPIO16 enabled.  THERM "
                        "pin disabled.\n");
@@ -1230,8 +1225,7 @@ static ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr, c
 static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf,
                size_t count)
 {
-       struct i2c_client *client = to_i2c_client(dev);
-       struct adm1026_data *data = i2c_get_clientdata(client);
+       struct adm1026_data *data = dev_get_drvdata(dev);
 
        data->vrm = simple_strtol(buf, NULL, 10);
        return count;
@@ -1242,7 +1236,7 @@ static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
 static ssize_t show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
 {
        struct adm1026_data *data = adm1026_update_device(dev);
-       return sprintf(buf, "%ld\n", (long) (data->alarms));
+       return sprintf(buf, "%ld\n", data->alarms);
 }
 
 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
@@ -1641,7 +1635,7 @@ static int adm1026_detect(struct i2c_adapter *adapter, int address,
                          int kind)
 {
        int company, verstep;
-       struct i2c_client *new_client;
+       struct i2c_client *client;
        struct adm1026_data *data;
        int err = 0;
        const char *type_name = "";
@@ -1660,26 +1654,25 @@ static int adm1026_detect(struct i2c_adapter *adapter, int address,
                goto exit;
        }
 
-       new_client = &data->client;
-       i2c_set_clientdata(new_client, data);
-       new_client->addr = address;
-       new_client->adapter = adapter;
-       new_client->driver = &adm1026_driver;
-       new_client->flags = 0;
+       client = &data->client;
+       i2c_set_clientdata(client, data);
+       client->addr = address;
+       client->adapter = adapter;
+       client->driver = &adm1026_driver;
 
        /* Now, we do the remaining detection. */
 
-       company = adm1026_read_value(new_client, ADM1026_REG_COMPANY);
-       verstep = adm1026_read_value(new_client, ADM1026_REG_VERSTEP);
+       company = adm1026_read_value(client, ADM1026_REG_COMPANY);
+       verstep = adm1026_read_value(client, ADM1026_REG_VERSTEP);
 
-       dev_dbg(&new_client->dev, "Detecting device at %d,0x%02x with"
+       dev_dbg(&client->dev, "Detecting device at %d,0x%02x with"
                " COMPANY: 0x%02x and VERSTEP: 0x%02x\n",
-               i2c_adapter_id(new_client->adapter), new_client->addr,
+               i2c_adapter_id(client->adapter), client->addr,
                company, verstep);
 
        /* If auto-detecting, Determine the chip type. */
        if (kind <= 0) {
-               dev_dbg(&new_client->dev, "Autodetecting device at %d,0x%02x "
+               dev_dbg(&client->dev, "Autodetecting device at %d,0x%02x "
                        "...\n", i2c_adapter_id(adapter), address);
                if (company == ADM1026_COMPANY_ANALOG_DEV
                    && verstep == ADM1026_VERSTEP_ADM1026) {
@@ -1695,7 +1688,7 @@ static int adm1026_detect(struct i2c_adapter *adapter, int address,
                                verstep);
                        kind = any_chip;
                } else {
-                       dev_dbg(&new_client->dev, ": Autodetection "
+                       dev_dbg(&client->dev, ": Autodetection "
                                "failed\n");
                        /* Not an ADM1026 ... */
                        if (kind == 0) { /* User used force=x,y */
@@ -1704,7 +1697,6 @@ static int adm1026_detect(struct i2c_adapter *adapter, int address,
                                        "force_adm1026.\n",
                                        i2c_adapter_id(adapter), address);
                        }
-                       err = 0;
                        goto exitfree;
                }
        }
@@ -1723,28 +1715,26 @@ static int adm1026_detect(struct i2c_adapter *adapter, int address,
                err = -EFAULT;
                goto exitfree;
        }
-       strlcpy(new_client->name, type_name, I2C_NAME_SIZE);
+       strlcpy(client->name, type_name, I2C_NAME_SIZE);
 
        /* Fill in the remaining client fields */
-       data->type = kind;
-       data->valid = 0;
        mutex_init(&data->update_lock);
 
        /* Tell the I2C layer a new client has arrived */
-       if ((err = i2c_attach_client(new_client)))
+       if ((err = i2c_attach_client(client)))
                goto exitfree;
 
        /* Set the VRM version */
        data->vrm = vid_which_vrm();
 
        /* Initialize the ADM1026 chip */
-       adm1026_init_client(new_client);
+       adm1026_init_client(client);
 
        /* Register sysfs hooks */
-       if ((err = sysfs_create_group(&new_client->dev.kobj, &adm1026_group)))
+       if ((err = sysfs_create_group(&client->dev.kobj, &adm1026_group)))
                goto exitdetach;
 
-       data->hwmon_dev = hwmon_device_register(&new_client->dev);
+       data->hwmon_dev = hwmon_device_register(&client->dev);
        if (IS_ERR(data->hwmon_dev)) {
                err = PTR_ERR(data->hwmon_dev);
                goto exitremove;
@@ -1754,9 +1744,9 @@ static int adm1026_detect(struct i2c_adapter *adapter, int address,
 
        /* Error out and cleanup code */
 exitremove:
-       sysfs_remove_group(&new_client->dev.kobj, &adm1026_group);
+       sysfs_remove_group(&client->dev.kobj, &adm1026_group);
 exitdetach:
-       i2c_detach_client(new_client);
+       i2c_detach_client(client);
 exitfree:
        kfree(data);
 exit: