If the temperature is read before the internal calibration is completed, the driver returns -EIO. Instead it should return -EAGAIN to encourage repeating the operation. Signed-off-by: Lars Povlsen <lars.povlsen@xxxxxxxxxxxxx> --- drivers/hwmon/sparx5-temp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hwmon/sparx5-temp.c b/drivers/hwmon/sparx5-temp.c index 1a2b1026b026..98be48e3a22a 100644 --- a/drivers/hwmon/sparx5-temp.c +++ b/drivers/hwmon/sparx5-temp.c @@ -56,7 +56,7 @@ static int s5_read(struct device *dev, enum hwmon_sensor_types type, case hwmon_temp_input: stat = readl_relaxed(hwmon->base + TEMP_STAT); if (!(stat & TEMP_STAT_VALID)) - return -EIO; + return -EAGAIN; value = stat & TEMP_STAT_TEMP; /* * From register documentation: -- 2.27.0