linux-kernel - Re: [PATCH 02/16] iio: adc: max1027: Fix the number of max1X31 channels

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Date:   Mon, 30 Aug 2021 11:00:15 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     "Sa, Nuno" <Nuno.Sa@...log.com>
Cc:     Miquel Raynal <miquel.raynal@...tlin.com>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        "linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>
Subject: Re: [PATCH 02/16] iio: adc: max1027: Fix the number of max1X31
 channels

On Fri, 20 Aug 2021 07:03:40 +0000
"Sa, Nuno" <Nuno.Sa@...log.com> wrote:

> > -----Original Message-----
> > From: Miquel Raynal <miquel.raynal@...tlin.com>
> > Sent: Wednesday, August 18, 2021 1:11 PM
> > To: Jonathan Cameron <jic23@...nel.org>; Lars-Peter Clausen
> > <lars@...afoo.de>
> > Cc: Thomas Petazzoni <thomas.petazzoni@...tlin.com>; linux-
> > iio@...r.kernel.org; linux-kernel@...r.kernel.org; Miquel Raynal
> > <miquel.raynal@...tlin.com>; stable@...r.kernel.org
> > Subject: [PATCH 02/16] iio: adc: max1027: Fix the number of max1X31
> > channels
> > 
> > [External]
> > 
> > The macro MAX1X29_CHANNELS() already calls
> > MAX1X27_CHANNELS().
> > Calling MAX1X27_CHANNELS() before MAX1X29_CHANNELS() in the
> > definition
> > of MAX1X31_CHANNELS() declares the first 8 channels twice. So drop
> > this
> > extra call from the MAX1X31 channels list definition.
> > 
> > Fixes: 7af5257d8427 ("iio: adc: max1027: Prepare the introduction of
> > different resolutions")
> > Cc: stable@...r.kernel.org
> > Signed-off-by: Miquel Raynal <miquel.raynal@...tlin.com>
> > ---
> >  drivers/iio/adc/max1027.c | 1 -
> >  1 file changed, 1 deletion(-)
> > 
> > diff --git a/drivers/iio/adc/max1027.c b/drivers/iio/adc/max1027.c
> > index 4a42d140a4b0..b753658bb41e 100644
> > --- a/drivers/iio/adc/max1027.c
> > +++ b/drivers/iio/adc/max1027.c
> > @@ -142,7 +142,6 @@ MODULE_DEVICE_TABLE(of,
> > max1027_adc_dt_ids);
> >  	MAX1027_V_CHAN(11, depth)
> > 
> >  #define MAX1X31_CHANNELS(depth)			\
> > -	MAX1X27_CHANNELS(depth),		\
> >  	MAX1X29_CHANNELS(depth),		\
> >  	MAX1027_V_CHAN(12, depth),		\
> >  	MAX1027_V_CHAN(13, depth),		\
> > --
> > 2.27.0  
> 
> Reviewed-by: Nuno Sá <nuno.sa@...log.com>
> 
I guess we don't have many users of these devices as I would have expected
this to blow up spectacularly.  Ah well.  

Applied to the fixes-togreg branch of iio.git

Thanks,

Jonathan