diff mbox

thermal: thermal_hwmon: Convert to hwmon_device_register_with_info()

Message ID 1482855852-26188-1-git-send-email-festevam@gmail.com (mailing list archive)
State Superseded, archived
Headers show

Commit Message

Fabio Estevam Dec. 27, 2016, 4:24 p.m. UTC
From: Fabio Estevam <fabio.estevam@nxp.com>

Booting Linux on a mx6q based board leads to the following warning:

(NULL device *): hwmon_device_register() is deprecated. Please convert the
driver to use hwmon_device_register_with_info().

,so do as suggested.

Also, this results in the core taking care of creating the 'name'
attribute, so drop the code doing that from the thermal driver.

Suggested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
---
Changes since RFC:
- Properly use hwmon_device_register_with_info()
- Remove device_create_file() from the thermal driver as the hwmon core
will take care of it

 drivers/thermal/thermal_hwmon.c | 19 +++----------------
 1 file changed, 3 insertions(+), 16 deletions(-)

Comments

Guenter Roeck Dec. 27, 2016, 5:01 p.m. UTC | #1
Hi Fabio,

On Tue, Dec 27, 2016 at 02:24:12PM -0200, Fabio Estevam wrote:
> From: Fabio Estevam <fabio.estevam@nxp.com>
> 
> Booting Linux on a mx6q based board leads to the following warning:
> 
> (NULL device *): hwmon_device_register() is deprecated. Please convert the
> driver to use hwmon_device_register_with_info().
> 
> ,so do as suggested.
> 
> Also, this results in the core taking care of creating the 'name'
> attribute, so drop the code doing that from the thermal driver.
> 
> Suggested-by: Guenter Roeck <linux@roeck-us.net>
> Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
> ---
> Changes since RFC:
> - Properly use hwmon_device_register_with_info()
> - Remove device_create_file() from the thermal driver as the hwmon core
> will take care of it
> 
>  drivers/thermal/thermal_hwmon.c | 19 +++----------------
>  1 file changed, 3 insertions(+), 16 deletions(-)
> 
> diff --git a/drivers/thermal/thermal_hwmon.c b/drivers/thermal/thermal_hwmon.c
> index 541af59..39d8a90 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 +157,13 @@ 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);

You can drop this as well; it is done by the core.

Thanks,
Guenter
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diff mbox

Patch

diff --git a/drivers/thermal/thermal_hwmon.c b/drivers/thermal/thermal_hwmon.c
index 541af59..39d8a90 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 +157,13 @@  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 +212,8 @@  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 +255,6 @@  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);
 }