Linux 4.9.183

[thirdparty/kernel/stable-queue.git] / releases / 4.9.183 / drivers-thermal-tsens-don-t-print-error-message-on-e.patch

From 8e59ad1f64e61240207ba103960929aa699fe876 Mon Sep 17 00:00:00 2001
From: Amit Kucheria <amit.kucheria@linaro.org>
Date: Wed, 20 Mar 2019 18:47:52 +0530
Subject: drivers: thermal: tsens: Don't print error message on -EPROBE_DEFER

[ Upstream commit fc7d18cf6a923cde7f5e7ba2c1105bb106d3e29a ]

We print a calibration failure message on -EPROBE_DEFER from
nvmem/qfprom as follows:
[    3.003090] qcom-tsens 4a9000.thermal-sensor: version: 1.4
[    3.005376] qcom-tsens 4a9000.thermal-sensor: tsens calibration failed
[    3.113248] qcom-tsens 4a9000.thermal-sensor: version: 1.4

This confuses people when, in fact, calibration succeeds later when
nvmem/qfprom device is available. Don't print this message on a
-EPROBE_DEFER.

Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/thermal/qcom/tsens.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/thermal/qcom/tsens.c b/drivers/thermal/qcom/tsens.c
index 3f9fe6aa51cc..ebbe1ec7b9e8 100644
--- a/drivers/thermal/qcom/tsens.c
+++ b/drivers/thermal/qcom/tsens.c
@@ -162,7 +162,8 @@ static int tsens_probe(struct platform_device *pdev)
 	if (tmdev->ops->calibrate) {
 		ret = tmdev->ops->calibrate(tmdev);
 		if (ret < 0) {
-			dev_err(dev, "tsens calibration failed\n");
+			if (ret != -EPROBE_DEFER)
+				dev_err(dev, "tsens calibration failed\n");
 			return ret;
 		}
 	}
-- 
2.20.1