| Message ID | 20200117160554.3812787-2-niklas.soderlund+renesas@ragnatech.se |
|---|---|
| State | Superseded |
| Headers | show |
| Series | [v3,1/2] thermal: rcar_thermal: Remove temperature bound | expand |
diff --git a/drivers/thermal/rcar_thermal.c b/drivers/thermal/rcar_thermal.c index d0873de718da9218..49d351f77bf6e6fc 100644 --- a/drivers/thermal/rcar_thermal.c +++ b/drivers/thermal/rcar_thermal.c @@ -275,12 +275,7 @@ static int rcar_thermal_get_current_temp(struct rcar_thermal_priv *priv, tmp = MCELSIUS((priv->ctemp * 5) - 60); mutex_unlock(&priv->lock); - if ((tmp < MCELSIUS(-45)) || (tmp > MCELSIUS(125))) { - struct device *dev = rcar_priv_to_dev(priv); - - dev_err(dev, "it couldn't measure temperature correctly\n"); - return -EIO; - } + /* Guaranteed operating range is -45C to 125C. */ *temp = tmp;
The hardware manual states that the operation of the sensor is not guaranteed outside the range of -45°C to 125°C, not that the readings are invalid. Remove the bound check and try to deliver temperature readings even if we are outside the guaranteed operation range. Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> --- * Changes since v2 - s/ragne/range/ * Changes since v1 - Preserver the guaranteed operating range in a comment. --- drivers/thermal/rcar_thermal.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-)