linux-kernel - Re: [PATCH] thermal: qcom-spmi-adc5: Suppress probe-deferral error message

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Message-ID: <20221223151410.630113f8@jic23-huawei>
Date:   Fri, 23 Dec 2022 15:14:10 +0000
From:   Jonathan Cameron <jic23@...nel.org>
To:     Marijn Suijten <marijn.suijten@...ainline.org>
Cc:     phone-devel@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...ainline.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Martin Botka <martin.botka@...ainline.org>,
        Jami Kettunen <jami.kettunen@...ainline.org>,
        Johan Hovold <johan+linaro@...nel.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Robert Marko <robimarko@...il.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Nuno Sá <nuno.sa@...log.com>,
        linux-arm-msm@...r.kernel.org, linux-iio@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] thermal: qcom-spmi-adc5: Suppress probe-deferral error
 message

On Sat, 17 Dec 2022 00:42:12 +0100
Marijn Suijten <marijn.suijten@...ainline.org> wrote:

> 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.
Fixed up whilst applying.

Applied to the togreg branch of iio.git, but only pushed out as testing for
now as I want to rebase the branch on rc1 once available.

Jonathan

> 
> 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@...0: 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@...ainline.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