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thermal: thermal_hwmon: Convert to hwmon_device_register_with_info()

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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>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This commit is contained in:
Fabio Estevam 2016-12-27 15:31:49 -02:00 committed by Zhang Rui
parent 0c744ea4f7
commit 7611fb6806
1 changed files with 3 additions and 17 deletions
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20
drivers/thermal/thermal_hwmon.c
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@ -58,14 +58,6 @@ 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)
{
@ -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);
}