[PATCH] hwmon: sparx5: Fix initial reading of temperature

[Lars Povlsen]

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