drivers: thermal: tsens: Don't print error message on -EPROBE_DEFER

[ Upstream commit fc7d18c ]

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 <[email protected]>
Signed-off-by: Eduardo Valentin <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>

Author: Amit Kucheria

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;
 		}
 	}