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Date:   Sat, 17 Dec 2022 00:42:12 +0100
From:   Marijn Suijten <marijn.suijten@somainline.org>
To:     phone-devel@vger.kernel.org
Cc:     ~postmarketos/upstreaming@lists.sr.ht,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@somainline.org>,
        Konrad Dybcio <konrad.dybcio@somainline.org>,
        Martin Botka <martin.botka@somainline.org>,
        Jami Kettunen <jami.kettunen@somainline.org>,
        Johan Hovold <johan+linaro@kernel.org>,
        Andy Gross <agross@kernel.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Konrad Dybcio <konrad.dybcio@linaro.org>,
        Jonathan Cameron <jic23@kernel.org>,
        Lars-Peter Clausen <lars@metafoo.de>,
        Robert Marko <robimarko@gmail.com>,
        Linus Walleij <linus.walleij@linaro.org>,
        Nuno =?utf-8?B?U8Oh?= <nuno.sa@analog.com>,
        linux-arm-msm@vger.kernel.org, linux-iio@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH] thermal: qcom-spmi-adc5: Suppress probe-deferral error
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Message-ID: <20221216234212.5rm3uwzci2zjq67d@SoMainline.org>
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References: <20221216190945.902754-1-marijn.suijten@somainline.org>
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Whoops, that tile must of course have started with:

    iio: adc: qcom-spmi-adc5:

instead of blindly copying the suffix from the thermal monitor patch
(this driver is not a thermal monitor...).  I'll send a v2 if there are
no other objections, unless this can be fixed up when the patch is
applied.

On 2022-12-16 20:09:45, Marijn Suijten wrote:
> Much like 807efb7102e8 ("thermal: qcom-spmi-adc-tm5: suppress
> probe-deferral error message") the ADC5 driver also spams a similar
> probe-deferral error on startup when a channel is not yet available:
> 
>     [    0.343136] qcom-spmi-adc-tm5 1c40000.spmi:pmic@0:adc-tm@3500: get dt data failed: -517
> 
> Suppress it by using dev_err_probe instead, which also takes care of
> storing the message as reason for deferring.
> 
> Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
> ---
>  drivers/iio/adc/qcom-spmi-adc5.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/iio/adc/qcom-spmi-adc5.c b/drivers/iio/adc/qcom-spmi-adc5.c
> index 821fee60a765..69cc36004b5a 100644
> --- a/drivers/iio/adc/qcom-spmi-adc5.c
> +++ b/drivers/iio/adc/qcom-spmi-adc5.c
> @@ -894,10 +894,8 @@ static int adc5_probe(struct platform_device *pdev)
>  	mutex_init(&adc->lock);
>  
>  	ret = adc5_get_fw_data(adc);
> -	if (ret) {
> -		dev_err(dev, "adc get dt data failed\n");
> -		return ret;
> -	}
> +	if (ret)
> +		return dev_err_probe(dev, ret, "adc get dt data failed\n");
>  
>  	irq_eoc = platform_get_irq(pdev, 0);
>  	if (irq_eoc < 0) {
> -- 
> 2.39.0
> 

Apologies for the clumsiness.

- Marijn