diff options
| -rw-r--r-- | drivers/hwmon/jc42.c | 61 |
1 files changed, 25 insertions, 36 deletions
diff --git a/drivers/hwmon/jc42.c b/drivers/hwmon/jc42.c index 4a58f130fd4..f362cead837 100644 --- a/drivers/hwmon/jc42.c +++ b/drivers/hwmon/jc42.c @@ -163,7 +163,7 @@ static struct jc42_chips jc42_chips[] = { /* Each client has this additional data */ struct jc42_data { - struct device *hwmon_dev; + struct i2c_client *client; struct mutex update_lock; /* protect register access */ bool extended; /* true if extended range supported */ bool valid; @@ -193,21 +193,21 @@ MODULE_DEVICE_TABLE(i2c, jc42_id); static int jc42_suspend(struct device *dev) { - struct i2c_client *client = to_i2c_client(dev); - struct jc42_data *data = i2c_get_clientdata(client); + struct jc42_data *data = dev_get_drvdata(dev); data->config |= JC42_CFG_SHUTDOWN; - i2c_smbus_write_word_swapped(client, JC42_REG_CONFIG, data->config); + i2c_smbus_write_word_swapped(data->client, JC42_REG_CONFIG, + data->config); return 0; } static int jc42_resume(struct device *dev) { - struct i2c_client *client = to_i2c_client(dev); - struct jc42_data *data = i2c_get_clientdata(client); + struct jc42_data *data = dev_get_drvdata(dev); data->config &= ~JC42_CFG_SHUTDOWN; - i2c_smbus_write_word_swapped(client, JC42_REG_CONFIG, data->config); + i2c_smbus_write_word_swapped(data->client, JC42_REG_CONFIG, + data->config); return 0; } @@ -317,15 +317,14 @@ static ssize_t set_##value(struct device *dev, \ struct device_attribute *attr, \ const char *buf, size_t count) \ { \ - struct i2c_client *client = to_i2c_client(dev); \ - struct jc42_data *data = i2c_get_clientdata(client); \ + struct jc42_data *data = dev_get_drvdata(dev); \ int err, ret = count; \ long val; \ - if (kstrtol(buf, 10, &val) < 0) \ + if (kstrtol(buf, 10, &val) < 0) \ return -EINVAL; \ mutex_lock(&data->update_lock); \ data->value = jc42_temp_to_reg(val, data->extended); \ - err = i2c_smbus_write_word_swapped(client, reg, data->value); \ + err = i2c_smbus_write_word_swapped(data->client, reg, data->value); \ if (err < 0) \ ret = err; \ mutex_unlock(&data->update_lock); \ @@ -344,8 +343,7 @@ static ssize_t set_temp_crit_hyst(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct jc42_data *data = i2c_get_clientdata(client); + struct jc42_data *data = dev_get_drvdata(dev); unsigned long val; int diff, hyst; int err; @@ -368,7 +366,7 @@ static ssize_t set_temp_crit_hyst(struct device *dev, mutex_lock(&data->update_lock); data->config = (data->config & ~JC42_CFG_HYST_MASK) | (hyst << JC42_CFG_HYST_SHIFT); - err = i2c_smbus_write_word_swapped(client, JC42_REG_CONFIG, + err = i2c_smbus_write_word_swapped(data->client, JC42_REG_CONFIG, data->config); if (err < 0) ret = err; @@ -430,8 +428,7 @@ static umode_t jc42_attribute_mode(struct kobject *kobj, struct attribute *attr, int index) { struct device *dev = container_of(kobj, struct device, kobj); - struct i2c_client *client = to_i2c_client(dev); - struct jc42_data *data = i2c_get_clientdata(client); + struct jc42_data *data = dev_get_drvdata(dev); unsigned int config = data->config; bool readonly; @@ -452,6 +449,7 @@ static const struct attribute_group jc42_group = { .attrs = jc42_attributes, .is_visible = jc42_attribute_mode, }; +__ATTRIBUTE_GROUPS(jc42); /* Return 0 if detection is successful, -ENODEV otherwise */ static int jc42_detect(struct i2c_client *client, struct i2c_board_info *info) @@ -487,14 +485,16 @@ static int jc42_detect(struct i2c_client *client, struct i2c_board_info *info) 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; + struct device *hwmon_dev; + struct jc42_data *data; + int config, cap; data = devm_kzalloc(dev, sizeof(struct jc42_data), GFP_KERNEL); if (!data) return -ENOMEM; + data->client = client; i2c_set_clientdata(client, data); mutex_init(&data->update_lock); @@ -515,29 +515,18 @@ static int jc42_probe(struct i2c_client *client, const struct i2c_device_id *id) } data->config = config; - /* Register sysfs hooks */ - err = sysfs_create_group(&dev->kobj, &jc42_group); - if (err) - return err; - - data->hwmon_dev = hwmon_device_register(dev); - if (IS_ERR(data->hwmon_dev)) { - err = PTR_ERR(data->hwmon_dev); - goto exit_remove; - } + hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name, + data, + jc42_groups); + if (IS_ERR(hwmon_dev)) + return PTR_ERR(hwmon_dev); return 0; - -exit_remove: - sysfs_remove_group(&dev->kobj, &jc42_group); - return err; } static int jc42_remove(struct i2c_client *client) { struct jc42_data *data = i2c_get_clientdata(client); - hwmon_device_unregister(data->hwmon_dev); - sysfs_remove_group(&client->dev.kobj, &jc42_group); /* Restore original configuration except hysteresis */ if ((data->config & ~JC42_CFG_HYST_MASK) != @@ -553,8 +542,8 @@ static int jc42_remove(struct i2c_client *client) static struct jc42_data *jc42_update_device(struct device *dev) { - struct i2c_client *client = to_i2c_client(dev); - struct jc42_data *data = i2c_get_clientdata(client); + struct jc42_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; struct jc42_data *ret = data; int val; |