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path: root/drivers/thermal/gov_user_space.c
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Diffstat (limited to 'drivers/thermal/gov_user_space.c')
-rw-r--r--drivers/thermal/gov_user_space.c27
1 files changed, 19 insertions, 8 deletions
diff --git a/drivers/thermal/gov_user_space.c b/drivers/thermal/gov_user_space.c
index 82a7198bbe71..ef95cf7d65ef 100644
--- a/drivers/thermal/gov_user_space.c
+++ b/drivers/thermal/gov_user_space.c
@@ -15,33 +15,44 @@
#include "thermal_core.h"
+static int user_space_bind(struct thermal_zone_device *tz)
+{
+ pr_info_once("Consider using thermal netlink events interface\n");
+
+ return 0;
+}
+
/**
- * notify_user_space - Notifies user space about thermal events
+ * user_space_trip_crossed - Notify user space about trip crossing events
* @tz: thermal_zone_device
- * @trip: trip point index
+ * @trip: trip point
+ * @upward: whether or not the trip has been crossed on the way up
*
* This function notifies the user space through UEvents.
*/
-static int notify_user_space(struct thermal_zone_device *tz, int trip)
+static void user_space_trip_crossed(struct thermal_zone_device *tz,
+ const struct thermal_trip *trip,
+ bool upward)
{
char *thermal_prop[5];
int i;
- mutex_lock(&tz->lock);
+ lockdep_assert_held(&tz->lock);
+
thermal_prop[0] = kasprintf(GFP_KERNEL, "NAME=%s", tz->type);
thermal_prop[1] = kasprintf(GFP_KERNEL, "TEMP=%d", tz->temperature);
- thermal_prop[2] = kasprintf(GFP_KERNEL, "TRIP=%d", trip);
+ thermal_prop[2] = kasprintf(GFP_KERNEL, "TRIP=%d",
+ thermal_zone_trip_id(tz, trip));
thermal_prop[3] = kasprintf(GFP_KERNEL, "EVENT=%d", tz->notify_event);
thermal_prop[4] = NULL;
kobject_uevent_env(&tz->device.kobj, KOBJ_CHANGE, thermal_prop);
for (i = 0; i < 4; ++i)
kfree(thermal_prop[i]);
- mutex_unlock(&tz->lock);
- return 0;
}
static struct thermal_governor thermal_gov_user_space = {
.name = "user_space",
- .throttle = notify_user_space,
+ .trip_crossed = user_space_trip_crossed,
+ .bind_to_tz = user_space_bind,
};
THERMAL_GOVERNOR_DECLARE(thermal_gov_user_space);