linux-kernel - Re: [PATCH RESEND v3 5/5] iio: adc: qcom-spmi-vadc: Propagate fw node label to userspace

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Date:   Sat, 13 May 2023 18:28:55 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc:     Marijn Suijten <marijn.suijten@...ainline.org>,
        phone-devel@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...ainline.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Martin Botka <martin.botka@...ainline.org>,
        Jami Kettunen <jami.kettunen@...ainline.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH RESEND v3 5/5] iio: adc: qcom-spmi-vadc: Propagate fw
 node label to userspace

On Sun, 7 May 2023 18:43:16 +0300
Dmitry Baryshkov <dmitry.baryshkov@...aro.org> wrote:

> On 02/05/2023 02:17, Marijn Suijten wrote:
> > Set the read_label() callback to return a friendly name provided in DT
> > (firmware), in order to make in_{therm,voltage}X_label attributes show
> > up in sysfs for userspace to consume a channel name.  This is
> > particularly useful for custom thermistors being attached to otherwise
> > generically named GPIOs, where the name is known by the board DT.
> > 
> > If the channel name isn't set in DT, use the datasheet_name hardcoded in
> > the driver instead.
> > 
> > Note that this doesn't fall back to fwnode_get_name() as that provides
> > suboptimally readable names, with an @xx address suffix from board DT.
> > 
> > Signed-off-by: Marijn Suijten <marijn.suijten@...ainline.org>
> > ---
> >   drivers/iio/adc/qcom-spmi-vadc.c | 19 ++++++++++++++++++-
> >   1 file changed, 18 insertions(+), 1 deletion(-)  
> 
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> 

Thanks,

Series applied to the togreg branch of iio.git - initially pushed out
as testing to let 0-day work it's magic before I go potentially making
a mess in linux-next.

Jonathan