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Subject[PATCH v2 02/16] thermal/core: Show a debug message when get_temp() fails
Date
The different thermal drivers are showing an error in case the
get_temp() fails. Actually no traces should be displayed in the
backend ops but in the call site of this ops.

Furthermore, the message is often a dev_dbg message where the
tz->device is used, thus using the internal of the structure from the
driver.

Show a debug message if the thermal_zone_get_temp() fails to read the
sensor temperature, so code showing the message is factored out and
the tz->device accesss is in the scope of the thermal core framework.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
---
drivers/thermal/thermal_helpers.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/thermal/thermal_helpers.c b/drivers/thermal/thermal_helpers.c
index 0f648131b0b5..9558339f5633 100644
--- a/drivers/thermal/thermal_helpers.c
+++ b/drivers/thermal/thermal_helpers.c
@@ -107,6 +107,9 @@ int __thermal_zone_get_temp(struct thermal_zone_device *tz, int *temp)
*temp = tz->emul_temperature;
}

+ if (ret)
+ dev_dbg(&tz->device, "Failed to get temperature: %d\n", ret);
+
return ret;
}

--
2.34.1
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