linux-kernel - Re: [PATCH 1/8] iio: adc: stm32-adc: fix channel sampling time init

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Date:   Sun, 2 Oct 2022 14:33:15 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     Olivier Moysan <olivier.moysan@...s.st.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Fabrice Gasnier <fabrice.gasnier@...s.st.com>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        nuno.sa@...log.com, Paul Cercueil <paul@...pouillou.net>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Wan Jiabing <wanjiabing@...o.com>,
        Yannick Brosseau <yannick.brosseau@...il.com>,
        linux-arm-kernel@...ts.infradead.org, linux-iio@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com
Subject: Re: [PATCH 1/8] iio: adc: stm32-adc: fix channel sampling time init

On Wed, 28 Sep 2022 19:51:04 +0300
Andy Shevchenko <andy.shevchenko@...il.com> wrote:

> On Wed, Sep 28, 2022 at 7:42 PM Olivier Moysan
> <olivier.moysan@...s.st.com> wrote:
> >
> > Fix channel init for ADC generic channel bindings.
> > In generic channel initialization, stm32_adc_smpr_init() is called
> > to initialize channel sampling time. The "st,min-sample-time-ns"
> > property is an optional property. If it is not defined,
> > stm32_adc_smpr_init() is currently skipped. However stm32_adc_smpr_init()
> > must always be called, to force a minimum sampling time for
> > the internal channels, as the minimum sampling time is known.
> > Make stm32_adc_smpr_init() call unconditional.  
> 
> What is the text width here? It's okay to use Up to ~72 (or slightly
> more) as a limit and format accordingly.
> 
> > Fixes: 796e5d0b1e9b ("iio: adc: stm32-adc: use generic binding for sample-time")
> >
> > Signed-off-by: Olivier Moysan <olivier.moysan@...s.st.com>  
> 
> Tag blocks mustn't have the blank lines.
> 
For this one, please make it clear if this is breaking current systems
or if this is more theoretical, so I can judge whether to rush it in (and
potentially slow down the rest of this patch set!)

Jonathan