1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/thermal/rcar_thermal.c b/drivers/thermal/rcar_thermal.c
index 88cfeec6a28f..5a37940b02c9 100644
--- a/drivers/thermal/rcar_thermal.c
+++ b/drivers/thermal/rcar_thermal.c
@@ -299,12 +299,17 @@ static void _rcar_thermal_irq_ctrl(struct rcar_thermal_priv *priv, int enable)
 static void rcar_thermal_work(struct work_struct *work)
 {
         struct rcar_thermal_priv *priv;
+        unsigned long cctemp, nctemp;
 
         priv = container_of(work, struct rcar_thermal_priv, work.work);
 
+        rcar_thermal_get_temp(priv->zone, &cctemp);
         rcar_thermal_update_temp(priv);
         rcar_thermal_irq_enable(priv);
-        thermal_zone_device_update(priv->zone);
+
+        rcar_thermal_get_temp(priv->zone, &nctemp);
+        if (nctemp != cctemp)
+                thermal_zone_device_update(priv->zone);
 }
 
 static u32 rcar_thermal_had_changed(struct rcar_thermal_priv *priv, u32 status)