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SubjectRe: [PATCH] Fixed hwmon_register_device() error regression
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Hi, Josh

On Sun, 2017-05-28 at 22:38 -0400, Josh Benson wrote:
> Signed-off-by: Josh Benson <handle2001@gmail.com>

First of all, you're missing a proper changelog here.
Second, this patch has already been reverted by commit
3feb479cea37 because the name of some thermal devices contains special
characters which is incompatible with hwmon.

thanks,
rui
> ---
>  drivers/thermal/thermal_hwmon.c | 20 +++-----------------
>  1 file changed, 3 insertions(+), 17 deletions(-)
>
> diff --git a/drivers/thermal/thermal_hwmon.c
> b/drivers/thermal/thermal_hwmon.c
> index 541af5946203..c4a508a124dc 100644
> --- a/drivers/thermal/thermal_hwmon.c
> +++ b/drivers/thermal/thermal_hwmon.c
> @@ -59,14 +59,6 @@ static LIST_HEAD(thermal_hwmon_list);
>  static DEFINE_MUTEX(thermal_hwmon_list_lock);
>  
>  static ssize_t
> -name_show(struct device *dev, struct device_attribute *attr, char
> *buf)
> -{
> - struct thermal_hwmon_device *hwmon = dev_get_drvdata(dev);
> - return sprintf(buf, "%s\n", hwmon->type);
> -}
> -static DEVICE_ATTR_RO(name);
> -
> -static ssize_t
>  temp_input_show(struct device *dev, struct device_attribute *attr,
> char *buf)
>  {
>   int temperature;
> @@ -165,15 +157,12 @@ int thermal_add_hwmon_sysfs(struct
> thermal_zone_device *tz)
>  
>   INIT_LIST_HEAD(&hwmon->tz_list);
>   strlcpy(hwmon->type, tz->type, THERMAL_NAME_LENGTH);
> - hwmon->device = hwmon_device_register(NULL);
> + hwmon->device = hwmon_device_register_with_info(NULL, hwmon-
> >type,
> + hwmon, NULL,
> NULL);
>   if (IS_ERR(hwmon->device)) {
>   result = PTR_ERR(hwmon->device);
>   goto free_mem;
>   }
> - dev_set_drvdata(hwmon->device, hwmon);
> - result = device_create_file(hwmon->device, &dev_attr_name);
> - if (result)
> - goto free_mem;
>  
>   register_sys_interface:
>   temp = kzalloc(sizeof(*temp), GFP_KERNEL);
> @@ -222,10 +211,8 @@ int thermal_add_hwmon_sysfs(struct
> thermal_zone_device *tz)
>   free_temp_mem:
>   kfree(temp);
>   unregister_name:
> - if (new_hwmon_device) {
> - device_remove_file(hwmon->device, &dev_attr_name);
> + if (new_hwmon_device)
>   hwmon_device_unregister(hwmon->device);
> - }
>   free_mem:
>   if (new_hwmon_device)
>   kfree(hwmon);
> @@ -267,7 +254,6 @@ void thermal_remove_hwmon_sysfs(struct
> thermal_zone_device *tz)
>   list_del(&hwmon->node);
>   mutex_unlock(&thermal_hwmon_list_lock);
>  
> - device_remove_file(hwmon->device, &dev_attr_name);
>   hwmon_device_unregister(hwmon->device);
>   kfree(hwmon);
>  }

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