Merge branch 'for-linville' of git://github.com/kvalo/ath

[firefly-linux-kernel-4.4.55.git] / drivers / thermal / rcar_thermal.c

diff --git a/drivers/thermal/rcar_thermal.c b/drivers/thermal/rcar_thermal.c
index 88cfeec6a28f421ecca3008e190f3e7bebf114fc..5a37940b02c99df447a0fc024177edccabd96635 100644 (file)
--- 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)