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path: root/drivers/thermal/rcar_gen3_thermal.c
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Diffstat (limited to 'drivers/thermal/rcar_gen3_thermal.c')
-rw-r--r--drivers/thermal/rcar_gen3_thermal.c31
1 files changed, 17 insertions, 14 deletions
diff --git a/drivers/thermal/rcar_gen3_thermal.c b/drivers/thermal/rcar_gen3_thermal.c
index 72877bdc072d..58fe7c1ef00b 100644
--- a/drivers/thermal/rcar_gen3_thermal.c
+++ b/drivers/thermal/rcar_gen3_thermal.c
@@ -81,8 +81,6 @@ struct rcar_gen3_thermal_tsc {
void __iomem *base;
struct thermal_zone_device *zone;
struct equation_coefs coef;
- int low;
- int high;
int tj_t;
int id; /* thermal channel id */
};
@@ -204,12 +202,14 @@ static int rcar_gen3_thermal_mcelsius_to_temp(struct rcar_gen3_thermal_tsc *tsc,
return INT_FIXPT(val);
}
-static int rcar_gen3_thermal_set_trips(void *devdata, int low, int high)
+static int rcar_gen3_thermal_update_range(struct rcar_gen3_thermal_tsc *tsc)
{
- struct rcar_gen3_thermal_tsc *tsc = devdata;
+ int temperature, low, high;
+
+ rcar_gen3_thermal_get_temp(tsc, &temperature);
- low = clamp_val(low, -40000, 120000);
- high = clamp_val(high, -40000, 120000);
+ low = temperature - MCELSIUS(1);
+ high = temperature + MCELSIUS(1);
rcar_gen3_thermal_write(tsc, REG_GEN3_IRQTEMP1,
rcar_gen3_thermal_mcelsius_to_temp(tsc, low));
@@ -217,15 +217,11 @@ static int rcar_gen3_thermal_set_trips(void *devdata, int low, int high)
rcar_gen3_thermal_write(tsc, REG_GEN3_IRQTEMP2,
rcar_gen3_thermal_mcelsius_to_temp(tsc, high));
- tsc->low = low;
- tsc->high = high;
-
return 0;
}
static const struct thermal_zone_of_device_ops rcar_gen3_tz_of_ops = {
.get_temp = rcar_gen3_thermal_get_temp,
- .set_trips = rcar_gen3_thermal_set_trips,
};
static void rcar_thermal_irq_set(struct rcar_gen3_thermal_priv *priv, bool on)
@@ -246,9 +242,11 @@ static irqreturn_t rcar_gen3_thermal_irq(int irq, void *data)
for (i = 0; i < priv->num_tscs; i++) {
status = rcar_gen3_thermal_read(priv->tscs[i], REG_GEN3_IRQSTR);
rcar_gen3_thermal_write(priv->tscs[i], REG_GEN3_IRQSTR, 0);
- if (status)
+ if (status) {
+ rcar_gen3_thermal_update_range(priv->tscs[i]);
thermal_zone_device_update(priv->tscs[i]->zone,
THERMAL_EVENT_UNSPECIFIED);
+ }
}
return IRQ_HANDLED;
@@ -325,6 +323,10 @@ static const struct of_device_id rcar_gen3_thermal_dt_ids[] = {
.data = &rcar_gen3_ths_tj_1_m3_w,
},
{
+ .compatible = "renesas,r8a77961-thermal",
+ .data = &rcar_gen3_ths_tj_1_m3_w,
+ },
+ {
.compatible = "renesas,r8a77965-thermal",
.data = &rcar_gen3_ths_tj_1,
},
@@ -446,14 +448,15 @@ static int rcar_gen3_thermal_probe(struct platform_device *pdev)
goto error_unregister;
ret = devm_add_action_or_reset(dev, rcar_gen3_hwmon_action, zone);
- if (ret) {
+ if (ret)
goto error_unregister;
- }
ret = of_thermal_get_ntrips(tsc->zone);
if (ret < 0)
goto error_unregister;
+ rcar_gen3_thermal_update_range(tsc);
+
dev_info(dev, "TSC%d: Loaded %d trip points\n", i, ret);
}
@@ -492,7 +495,7 @@ static int __maybe_unused rcar_gen3_thermal_resume(struct device *dev)
struct rcar_gen3_thermal_tsc *tsc = priv->tscs[i];
priv->thermal_init(tsc);
- rcar_gen3_thermal_set_trips(tsc, tsc->low, tsc->high);
+ rcar_gen3_thermal_update_range(tsc);
}
rcar_thermal_irq_set(priv, true);