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path: root/drivers/thermal/rcar_thermal.c
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Diffstat (limited to 'drivers/thermal/rcar_thermal.c')
-rw-r--r--drivers/thermal/rcar_thermal.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/thermal/rcar_thermal.c b/drivers/thermal/rcar_thermal.c
index 79a09d02bbca..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)
@@ -313,7 +318,7 @@ static u32 rcar_thermal_had_changed(struct rcar_thermal_priv *priv, u32 status)
status = (status >> rcar_id_to_shift(priv)) & 0x3;
- if (status & 0x3) {
+ if (status) {
dev_dbg(dev, "thermal%d %s%s\n",
priv->id,
(status & 0x2) ? "Rising " : "",