Re: [PATCH v1 02/10] hwmon: adt7x10: do not create name attr

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On Tue, Dec 21, 2021 at 02:39:36PM +0200, Cosmin Tanislav wrote:
> From: Cosmin Tanislav <cosmin.tanislav@xxxxxxxxxx>
> 
> It will later be created automatically by hwmon.
> 
Patches have to work on their own to retain bisectability. 
The driver would be non-operational after this patch is applied
until the registration function is changed. Please merge this
patch into the with_info rework patch.

Guenter

> Signed-off-by: Cosmin Tanislav <cosmin.tanislav@xxxxxxxxxx>
> ---
>  drivers/hwmon/adt7x10.c | 29 +----------------------------
>  1 file changed, 1 insertion(+), 28 deletions(-)
> 
> diff --git a/drivers/hwmon/adt7x10.c b/drivers/hwmon/adt7x10.c
> index 2439da9b64e6..dbe9f1ad7db0 100644
> --- a/drivers/hwmon/adt7x10.c
> +++ b/drivers/hwmon/adt7x10.c
> @@ -54,7 +54,6 @@
>  /* Each client has this additional data */
>  struct adt7x10_data {
>  	const struct adt7x10_ops *ops;
> -	const char		*name;
>  	struct device		*hwmon_dev;
>  	struct device		*bus_dev;
>  	struct mutex		update_lock;
> @@ -316,14 +315,6 @@ static ssize_t adt7x10_alarm_show(struct device *dev,
>  	return sprintf(buf, "%d\n", !!(ret & attr->index));
>  }
>  
> -static ssize_t name_show(struct device *dev, struct device_attribute *da,
> -			 char *buf)
> -{
> -	struct adt7x10_data *data = dev_get_drvdata(dev);
> -
> -	return sprintf(buf, "%s\n", data->name);
> -}
> -
>  static SENSOR_DEVICE_ATTR_RO(temp1_input, adt7x10_temp, 0);
>  static SENSOR_DEVICE_ATTR_RW(temp1_max, adt7x10_temp, 1);
>  static SENSOR_DEVICE_ATTR_RW(temp1_min, adt7x10_temp, 2);
> @@ -337,7 +328,6 @@ static SENSOR_DEVICE_ATTR_RO(temp1_max_alarm, adt7x10_alarm,
>  			     ADT7X10_STAT_T_HIGH);
>  static SENSOR_DEVICE_ATTR_RO(temp1_crit_alarm, adt7x10_alarm,
>  			     ADT7X10_STAT_T_CRIT);
> -static DEVICE_ATTR_RO(name);
>  
>  static struct attribute *adt7x10_attributes[] = {
>  	&sensor_dev_attr_temp1_input.dev_attr.attr,
> @@ -368,7 +358,6 @@ int adt7x10_probe(struct device *dev, const char *name, int irq,
>  		return -ENOMEM;
>  
>  	data->ops = ops;
> -	data->name = name;
>  	data->bus_dev = dev;
>  
>  	dev_set_drvdata(dev, data);
> @@ -406,21 +395,10 @@ int adt7x10_probe(struct device *dev, const char *name, int irq,
>  	if (ret)
>  		goto exit_restore;
>  
> -	/*
> -	 * The I2C device will already have it's own 'name' attribute, but for
> -	 * the SPI device we need to register it. name will only be non NULL if
> -	 * the device doesn't register the 'name' attribute on its own.
> -	 */
> -	if (name) {
> -		ret = device_create_file(dev, &dev_attr_name);
> -		if (ret)
> -			goto exit_remove;
> -	}
> -
>  	data->hwmon_dev = hwmon_device_register(dev);
>  	if (IS_ERR(data->hwmon_dev)) {
>  		ret = PTR_ERR(data->hwmon_dev);
> -		goto exit_remove_name;
> +		goto exit_remove;
>  	}
>  
>  	if (irq > 0) {
> @@ -435,9 +413,6 @@ int adt7x10_probe(struct device *dev, const char *name, int irq,
>  
>  exit_hwmon_device_unregister:
>  	hwmon_device_unregister(data->hwmon_dev);
> -exit_remove_name:
> -	if (name)
> -		device_remove_file(dev, &dev_attr_name);
>  exit_remove:
>  	sysfs_remove_group(&dev->kobj, &adt7x10_group);
>  exit_restore:
> @@ -454,8 +429,6 @@ void adt7x10_remove(struct device *dev, int irq)
>  		free_irq(irq, dev);
>  
>  	hwmon_device_unregister(data->hwmon_dev);
> -	if (data->name)
> -		device_remove_file(dev, &dev_attr_name);
>  	sysfs_remove_group(&dev->kobj, &adt7x10_group);
>  	if (data->oldconfig != data->config)
>  		adt7x10_write_byte(dev, ADT7X10_CONFIG, data->oldconfig);
> -- 
> 2.34.1
> 



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