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SubjectRe: [PATCH] thermal/drivers/hisi: Remove confusing error message
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On Fri, 2017-07-07 at 17:03 +0200, Daniel Lezcano wrote:
> The sensor id is unknown at init time and we use all id in the
> authorized
> MAX_SENSORS interval to register the sensor. On this SoC there is one
> thermal-zone with one sensor on it. No need to spit on the console
> everytime we
> failed to register thermal sensors, information which is deliberaly
> known as it
> is part of the discovery process.
>
>  hisi_thermal f7030700.tsensor: failed to register sensor id 0: -19
>  hisi_thermal f7030700.tsensor: failed to register thermal sensor:
> -19
>  hisi_thermal f7030700.tsensor: failed to register sensor id 1: -19
>  hisi_thermal f7030700.tsensor: failed to register thermal sensor:
> -19
>  hisi_thermal f7030700.tsensor: failed to register sensor id 3: -19
>  hisi_thermal f7030700.tsensor: failed to register thermal sensor:
> -19
>
> Remove the error messages.
>
> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
> ---
>  drivers/thermal/hisi_thermal.c | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/thermal/hisi_thermal.c
> b/drivers/thermal/hisi_thermal.c
> index f642966..2cc98c6 100644
> --- a/drivers/thermal/hisi_thermal.c
> +++ b/drivers/thermal/hisi_thermal.c
> @@ -187,6 +187,9 @@ static int hisi_thermal_get_temp(void *_sensor,
> int *temp)
>  
>   dev_dbg(&data->pdev->dev, "id=%d, irq=%d, temp=%d,
> thres=%d\n",
>   sensor->id, data->irq_enabled, *temp, sensor-
> >thres_temp);
> +
> + printk("id=%d, irq=%d, temp=%d, thres=%d\n",
> + sensor->id, data->irq_enabled, *temp, sensor-
> >thres_temp);

what's this printk for?

>   /*
>    * Bind irq to sensor for two cases:
>    *   Reenable alarm IRQ if temperature below threshold;
> @@ -260,8 +263,6 @@ static int hisi_thermal_register_sensor(struct
> platform_device *pdev,
>   if (IS_ERR(sensor->tzd)) {
>   ret = PTR_ERR(sensor->tzd);
>   sensor->tzd = NULL;
> - dev_err(&pdev->dev, "failed to register sensor id
> %d: %d\n",
> - sensor->id, ret);
>   return ret;
>   }
>  
> @@ -352,10 +353,9 @@ static int hisi_thermal_probe(struct
> platform_device *pdev)
>   ret = hisi_thermal_register_sensor(pdev, data,
>      &data-
> >sensors[i], i);
>   if (ret)
> - dev_err(&pdev->dev,
> - "failed to register thermal sensor:
> %d\n", ret);
> - else
> - hisi_thermal_toggle_sensor(&data-
> >sensors[i], true);
> + continue;
> +
> + hisi_thermal_toggle_sensor(&data->sensors[i], true);
>   }
>  
>   return 0;

With these removed, is there any other information in dmesg that
suggests this failure?

thanks,
rui

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