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Subject[PATCH 15/31] thermal: core: split available_policies_show()
Date
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: Eduardo Valentin <edubezval@gmail.com>
---
drivers/thermal/thermal_core.c | 35 ++++++++++++++++++++---------------
drivers/thermal/thermal_core.h | 1 +
2 files changed, 21 insertions(+), 15 deletions(-)

diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index b4772e7..93da7d9 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -721,6 +721,25 @@ exit:
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) \
@@ -974,21 +993,7 @@ 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
diff --git a/drivers/thermal/thermal_core.h b/drivers/thermal/thermal_core.h
index 5bb5101..b80847c 100644
--- a/drivers/thermal/thermal_core.h
+++ b/drivers/thermal/thermal_core.h
@@ -58,6 +58,7 @@ int thermal_register_governor(struct thermal_governor *);
void thermal_unregister_governor(struct thermal_governor *);
void thermal_zone_device_passive_update(struct thermal_zone_device *, int);
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);
--
2.1.4
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