1 files changed, 30 insertions, 67 deletions

diff --git a/drivers/hwmon/jc42.c b/drivers/hwmon/jc42.c
index b927ee5ccdd7..a9bfd6736d9a 100644
--- a/drivers/hwmon/jc42.c
+++ b/drivers/hwmon/jc42.c
@@ -180,25 +180,7 @@ static int jc42_remove(struct i2c_client *client);
 static struct jc42_data *jc42_update_device(struct device *dev);
 
 static const struct i2c_device_id jc42_id[] = {
-	{ "adt7408", 0 },
-	{ "at30ts00", 0 },
-	{ "cat94ts02", 0 },
-	{ "cat6095", 0 },
 	{ "jc42", 0 },
-	{ "max6604", 0 },
-	{ "mcp9804", 0 },
-	{ "mcp9805", 0 },
-	{ "mcp98242", 0 },
-	{ "mcp98243", 0 },
-	{ "mcp9843", 0 },
-	{ "se97", 0 },
-	{ "se97b", 0 },
-	{ "se98", 0 },
-	{ "stts424", 0 },
-	{ "stts2002", 0 },
-	{ "stts3000", 0 },
-	{ "tse2002", 0 },
-	{ "ts3000", 0 },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, jc42_id);
@@ -350,8 +332,10 @@ set(temp_min, JC42_REG_TEMP_LOWER);
 set(temp_max, JC42_REG_TEMP_UPPER);
 set(temp_crit, JC42_REG_TEMP_CRITICAL);
 
-/* JC42.4 compliant chips only support four hysteresis values.
- * Pick best choice and go from there. */
+/*
+ * JC42.4 compliant chips only support four hysteresis values.
+ * Pick best choice and go from there.
+ */
 static ssize_t set_temp_crit_hyst(struct device *dev,
 				  struct device_attribute *attr,
 				  const char *buf, size_t count)
@@ -467,20 +451,19 @@ static const struct attribute_group jc42_group = {
 };
 
 /* Return 0 if detection is successful, -ENODEV otherwise */
-static int jc42_detect(struct i2c_client *new_client,
-		       struct i2c_board_info *info)
+static int jc42_detect(struct i2c_client *client, struct i2c_board_info *info)
 {
-	struct i2c_adapter *adapter = new_client->adapter;
+	struct i2c_adapter *adapter = client->adapter;
 	int i, config, cap, manid, devid;
 
 	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA |
 				     I2C_FUNC_SMBUS_WORD_DATA))
 		return -ENODEV;
 
-	cap = i2c_smbus_read_word_swapped(new_client, JC42_REG_CAP);
-	config = i2c_smbus_read_word_swapped(new_client, JC42_REG_CONFIG);
-	manid = i2c_smbus_read_word_swapped(new_client, JC42_REG_MANID);
-	devid = i2c_smbus_read_word_swapped(new_client, JC42_REG_DEVICEID);
+	cap = i2c_smbus_read_word_swapped(client, JC42_REG_CAP);
+	config = i2c_smbus_read_word_swapped(client, JC42_REG_CONFIG);
+	manid = i2c_smbus_read_word_swapped(client, JC42_REG_MANID);
+	devid = i2c_smbus_read_word_swapped(client, JC42_REG_DEVICEID);
 
 	if (cap < 0 || config < 0 || manid < 0 || devid < 0)
 		return -ENODEV;
@@ -499,47 +482,42 @@ static int jc42_detect(struct i2c_client *new_client,
 	return -ENODEV;
 }
 
-static int jc42_probe(struct i2c_client *new_client,
-		      const struct i2c_device_id *id)
+static int jc42_probe(struct i2c_client *client, const struct i2c_device_id *id)
 {
 	struct jc42_data *data;
 	int config, cap, err;
+	struct device *dev = &client->dev;
 
-	data = kzalloc(sizeof(struct jc42_data), GFP_KERNEL);
-	if (!data) {
-		err = -ENOMEM;
-		goto exit;
-	}
+	data = devm_kzalloc(dev, sizeof(struct jc42_data), GFP_KERNEL);
+	if (!data)
+		return -ENOMEM;
 
-	i2c_set_clientdata(new_client, data);
+	i2c_set_clientdata(client, data);
 	mutex_init(&data->update_lock);
 
-	cap = i2c_smbus_read_word_swapped(new_client, JC42_REG_CAP);
-	if (cap < 0) {
-		err = -EINVAL;
-		goto exit_free;
-	}
+	cap = i2c_smbus_read_word_swapped(client, JC42_REG_CAP);
+	if (cap < 0)
+		return cap;
+
 	data->extended = !!(cap & JC42_CAP_RANGE);
 
-	config = i2c_smbus_read_word_swapped(new_client, JC42_REG_CONFIG);
-	if (config < 0) {
-		err = -EINVAL;
-		goto exit_free;
-	}
+	config = i2c_smbus_read_word_swapped(client, JC42_REG_CONFIG);
+	if (config < 0)
+		return config;
+
 	data->orig_config = config;
 	if (config & JC42_CFG_SHUTDOWN) {
 		config &= ~JC42_CFG_SHUTDOWN;
-		i2c_smbus_write_word_swapped(new_client, JC42_REG_CONFIG,
-					     config);
+		i2c_smbus_write_word_swapped(client, JC42_REG_CONFIG, config);
 	}
 	data->config = config;
 
 	/* Register sysfs hooks */
-	err = sysfs_create_group(&new_client->dev.kobj, &jc42_group);
+	err = sysfs_create_group(&dev->kobj, &jc42_group);
 	if (err)
-		goto exit_free;
+		return err;
 
-	data->hwmon_dev = hwmon_device_register(&new_client->dev);
+	data->hwmon_dev = hwmon_device_register(dev);
 	if (IS_ERR(data->hwmon_dev)) {
 		err = PTR_ERR(data->hwmon_dev);
 		goto exit_remove;
@@ -548,10 +526,7 @@ static int jc42_probe(struct i2c_client *new_client,
 	return 0;
 
 exit_remove:
-	sysfs_remove_group(&new_client->dev.kobj, &jc42_group);
-exit_free:
-	kfree(data);
-exit:
+	sysfs_remove_group(&dev->kobj, &jc42_group);
 	return err;
 }
 
@@ -563,7 +538,6 @@ static int jc42_remove(struct i2c_client *client)
 	if (data->config != data->orig_config)
 		i2c_smbus_write_word_swapped(client, JC42_REG_CONFIG,
 					     data->orig_config);
-	kfree(data);
 	return 0;
 }
 
@@ -614,19 +588,8 @@ abort:
 	return ret;
 }
 
-static int __init sensors_jc42_init(void)
-{
-	return i2c_add_driver(&jc42_driver);
-}
-
-static void __exit sensors_jc42_exit(void)
-{
-	i2c_del_driver(&jc42_driver);
-}
+module_i2c_driver(jc42_driver);
 
 MODULE_AUTHOR("Guenter Roeck <guenter.roeck@ericsson.com>");
 MODULE_DESCRIPTION("JC42 driver");
 MODULE_LICENSE("GPL");
-
-module_init(sensors_jc42_init);
-module_exit(sensors_jc42_exit);