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

Jonathan Cameron jic23 at kernel.org
Sun Oct 2 06:33:15 PDT 2022


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

> On Wed, Sep 28, 2022 at 7:42 PM Olivier Moysan
> <olivier.moysan at foss.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 at foss.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





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