[PATCH v8 5/5] thermal: mediatek: try again if first temp read is bogus

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In mtk_thermal_bank_temperature, return -EAGAIN instead of 0
on the first read of sensor that often are bogus values.

Signed-off-by: Michael Kao <michael.kao@xxxxxxxxxxxx>
Signed-off-by: Hsin-Yi Wang <hsinyi@xxxxxxxxxxxx>
Signed-off-by: Amjad Ouled-Ameur <aouledameur@xxxxxxxxxxxx>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
---
 drivers/thermal/mtk_thermal.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/thermal/mtk_thermal.c b/drivers/thermal/mtk_thermal.c
index b8e06f6c7c42..e7be450cd40a 100644
--- a/drivers/thermal/mtk_thermal.c
+++ b/drivers/thermal/mtk_thermal.c
@@ -736,7 +736,7 @@ static int mtk_thermal_bank_temperature(struct mtk_thermal_bank *bank)
 		 * not immediately shut down.
 		 */
 		if (temp > 200000)
-			temp = 0;
+			temp = -EAGAIN;
 
 		if (temp > max)
 			max = temp;

-- 
2.39.1



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