thermal: remove unnecessary call to thermal_zone_device_set_polling

saschahauer · zhang-rui · commit dbdf2532b462 · 2015-08-03T23:15:51.000+08:00
When the thermal zone has no get_temp callback then thermal_zone_device_register()
calls thermal_zone_device_set_polling() with a polling delay of 0. This
only cancels the poll_queue. Since the poll_queue hasn't been scheduled this
is a no-op. Remove it.

Signed-off-by: Sascha Hauer &lt;s.hauer@pengutronix.de&gt;
Acked-by: Eduardo Valentin &lt;edubezval@gmail.com&gt;
Signed-off-by: Zhang Rui &lt;rui.zhang@intel.com&gt;
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
@@ -1873,9 +1873,6 @@ struct thermal_zone_device *thermal_zone_device_register(const char *type,
 
 	INIT_DELAYED_WORK(&(tz->poll_queue), thermal_zone_device_check);
 
-	if (!tz->ops->get_temp)
-		thermal_zone_device_set_polling(tz, 0);
-
 	thermal_zone_device_update(tz);
 
 	return tz;
