[PATCH] thermal-generic-adc: Silent error message for EPROBE_DEFER

From: Hsin-Yi Wang
Date: Tue Sep 10 2019 - 03:59:18 EST


If devm_iio_channel_get() or devm_thermal_zone_of_sensor_register()
fail with EPROBE_DEFER, we shouldn't print an error message, as the
device will be probed again later.

Signed-off-by: Hsin-Yi Wang <hsinyi@xxxxxxxxxxxx>
---
drivers/thermal/thermal-generic-adc.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/thermal/thermal-generic-adc.c b/drivers/thermal/thermal-generic-adc.c
index dcecf2e8dc8e..ae5743c9a894 100644
--- a/drivers/thermal/thermal-generic-adc.c
+++ b/drivers/thermal/thermal-generic-adc.c
@@ -134,7 +134,8 @@ static int gadc_thermal_probe(struct platform_device *pdev)
gti->channel = devm_iio_channel_get(&pdev->dev, "sensor-channel");
if (IS_ERR(gti->channel)) {
ret = PTR_ERR(gti->channel);
- dev_err(&pdev->dev, "IIO channel not found: %d\n", ret);
+ if (ret != -EPROBE_DEFER)
+ dev_err(&pdev->dev, "IIO channel not found: %d\n", ret);
return ret;
}

@@ -142,8 +143,10 @@ static int gadc_thermal_probe(struct platform_device *pdev)
&gadc_thermal_ops);
if (IS_ERR(gti->tz_dev)) {
ret = PTR_ERR(gti->tz_dev);
- dev_err(&pdev->dev, "Thermal zone sensor register failed: %d\n",
- ret);
+ if (ret != -EPROBE_DEFER)
+ dev_err(&pdev->dev,
+ "Thermal zone sensor register failed: %d\n",
+ ret);
return ret;
}

--
2.23.0.162.g0b9fbb3734-goog