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-rw-r--r--drivers/thermal/rcar_thermal.c7
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)