Re: [PATCH v2 2/3] iio: pressure: ms5611: changed hardcoded SPI speed to value limited

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On Fri, 21 Oct 2022 17:32:21 +0200
Marcus Folkesson <marcus.folkesson@xxxxxxxxx> wrote:

> Hi Mitja,
> 
> On Fri, Oct 21, 2022 at 03:58:21PM +0200, Mitja Spes wrote:
> > Don't hardcode the ms5611 SPI speed, limit it instead.
> > 
> > Signed-off-by: Mitja Spes <mitja@xxxxxxxxx>
> > ---
> >  drivers/iio/pressure/ms5611_spi.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/drivers/iio/pressure/ms5611_spi.c b/drivers/iio/pressure/ms5611_spi.c
> > index 432e912096f4..a0a7205c9c3a 100644
> > --- a/drivers/iio/pressure/ms5611_spi.c
> > +++ b/drivers/iio/pressure/ms5611_spi.c
> > @@ -91,7 +91,7 @@ static int ms5611_spi_probe(struct spi_device *spi)
> >  	spi_set_drvdata(spi, indio_dev);
> >  
> >  	spi->mode = SPI_MODE_0;
> > -	spi->max_speed_hz = 20000000;
> > +	spi->max_speed_hz = min(spi->max_speed_hz, 20000000U);  
> 
> max_speed_hz is a limit, and the max frequency the ms5611 support is
> 20MHz.
Hi Marcus,

I'm not following what you are commenting on.. Perhaps give more
detail?

Thanks,

Jonathan

> 
> Best regards,
> Marcus Folkesson




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