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Commit 97d2423b authored by Eduardo Valentin's avatar Eduardo Valentin Committed by Zhang Rui
Browse files

thermal: core: split available_policies_show() 



This patch creates a helper to build a list of available governors.

Cc: Zhang Rui <rui.zhang@intel.com>
Cc: linux-pm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: default avatarEduardo Valentin <edubezval@gmail.com>
Signed-off-by: default avatarZhang Rui <rui.zhang@intel.com>
parent 6b885202

drivers/thermal/thermal_core.c

+20 −15
Original line number Diff line number Diff line
@@ -779,6 +779,25 @@ int thermal_zone_device_set_policy(struct thermal_zone_device *tz, 
	return ret;

}



int thermal_build_list_of_policies(char *buf)

{

	struct thermal_governor *pos;

	ssize_t count = 0;

	ssize_t size = PAGE_SIZE;



	mutex_lock(&thermal_governor_lock);



	list_for_each_entry(pos, &thermal_governor_list, governor_list) {

		size = PAGE_SIZE - count;

		count += scnprintf(buf + count, size, "%s ", pos->name);

	}

	count += scnprintf(buf + count, size, "\n");



	mutex_unlock(&thermal_governor_lock);



	return count;

}



/* sys I/F for thermal zone */



#define to_thermal_zone(_dev) \
@@ -1048,21 +1067,7 @@ static ssize_t 
available_policies_show(struct device *dev, struct device_attribute *devattr,

			char *buf)

{

	struct thermal_governor *pos;

	ssize_t count = 0;

	ssize_t size = PAGE_SIZE;



	mutex_lock(&thermal_governor_lock);



	list_for_each_entry(pos, &thermal_governor_list, governor_list) {

		size = PAGE_SIZE - count;

		count += scnprintf(buf + count, size, "%s ", pos->name);

	}

	count += scnprintf(buf + count, size, "\n");



	mutex_unlock(&thermal_governor_lock);



	return count;

	return thermal_build_list_of_policies(buf);

}



static ssize_t

drivers/thermal/thermal_core.h

+1 −0
Original line number Diff line number Diff line
@@ -61,6 +61,7 @@ void thermal_zone_device_rebind_exception(struct thermal_zone_device *, 
void thermal_zone_device_unbind_exception(struct thermal_zone_device *,

					  const char *, size_t);

int thermal_zone_device_set_policy(struct thermal_zone_device *, char *);

int thermal_build_list_of_policies(char *buf);



#ifdef CONFIG_THERMAL_GOV_STEP_WISE

int thermal_gov_step_wise_register(void);