Re: [PATCH] thermal: qcom-spmi-adc-tm5: suppress probe-deferral error message

From: Johan Hovold
Date: Wed Nov 30 2022 - 01:58:46 EST


On Wed, Nov 02, 2022 at 04:26:30PM +0100, Johan Hovold wrote:
> Drivers should not be logging errors on probe deferral. Switch to using
> dev_err_probe() to log failures when parsing the devicetree to avoid
> errors like:
>
> qcom-spmi-adc-tm5 c440000.spmi:pmic@0:adc-tm@3400: get dt data failed: -517
>
> when a channel is not yet available.
>
> Signed-off-by: Johan Hovold <johan+linaro@xxxxxxxxxx>
> ---
> drivers/thermal/qcom/qcom-spmi-adc-tm5.c | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/thermal/qcom/qcom-spmi-adc-tm5.c b/drivers/thermal/qcom/qcom-spmi-adc-tm5.c
> index a3310bf061cb..c70615d2d771 100644
> --- a/drivers/thermal/qcom/qcom-spmi-adc-tm5.c
> +++ b/drivers/thermal/qcom/qcom-spmi-adc-tm5.c
> @@ -1031,10 +1031,8 @@ static int adc_tm5_probe(struct platform_device *pdev)
> return irq;
>
> ret = adc_tm5_get_dt_data(adc_tm, node);
> - if (ret) {
> - dev_err(dev, "get dt data failed: %d\n", ret);
> - return ret;
> - }
> + if (ret)
> + return dev_err_probe(dev, ret, "get dt data failed\n");
>
> ret = adc_tm->data->init(adc_tm);
> if (ret) {

Daniel, I noticed this one hasn't been picked up yet (at least it's not
in linux-next). Is this something you can do?

Johan