linux-kernel - Re: [PATCH] IIO: stm32: Remove quadrature related functions from trigger driver

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Date:   Sun, 14 Jul 2019 18:23:07 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     Benjamin GAIGNARD <benjamin.gaignard@...com>
Cc:     William Breathitt Gray <vilhelm.gray@...il.com>,
        Benjamin Gaignard <benjamin.gaignard@...aro.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Alexandre TORGUE <alexandre.torgue@...com>,
        "linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>,
        "Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Hartmut Knaack <knaack.h@....de>,
        Fabrice GASNIER <fabrice.gasnier@...com>,
        "linux-stm32@...md-mailman.stormreply.com" 
        <linux-stm32@...md-mailman.stormreply.com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH] IIO: stm32: Remove quadrature related functions from
 trigger driver

On Sun, 14 Jul 2019 15:32:33 +0000
Benjamin GAIGNARD <benjamin.gaignard@...com> wrote:

> On 7/14/19 12:09 PM, Jonathan Cameron wrote:
> > On Thu, 11 Jul 2019 21:16:20 +0900
> > William Breathitt Gray <vilhelm.gray@...il.com> wrote:
> >  
> >> On Thu, Jul 11, 2019 at 02:12:27PM +0200, Benjamin Gaignard wrote:  
> >>> Le jeu. 11 juil. 2019 à 13:51, William Breathitt Gray
> >>> <vilhelm.gray@...il.com> a écrit :  
> >>>> On Tue, May 07, 2019 at 11:12:24AM +0200, Benjamin Gaignard wrote:  
> >>>>> Quadrature feature is now hosted on it own framework.
> >>>>> Remove quadrature related code from stm32-trigger driver to avoid
> >>>>> code duplication and simplify the ABI.
> >>>>>
> >>>>> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...com>  
> >>>> What is the status of this patch? Are there any objections currently for
> >>>> its inclusion?  
> >>> You were the only one asking for more details about it :-)
> >>> If you agree I think that Jonathan can merge it.
> >>>
> >>> Benjamin  
> >>>> William Breathitt Gray
> >>>>
> >>>> _______________________________________________
> >>>> linux-arm-kernel mailing list
> >>>> linux-arm-kernel@...ts.infradead.org
> >>>> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel  
> >> Yes, Jonathan please merge this if you have no objections, I hadn't
> >> realized I was delaying it.
> >>
> >> Thank you,
> >>
> >> William Breathitt Gray  
> > One last thing...  This seems to be a userspace ABI change.  What
> > are our potential issues with users of this ABI?
> >
> > It's not that costly to keep the code, though dropping the docs or
> > putting a depreciated note in them is probably a good idea.  Hence
> > I'm not totally convinced the risk of a regression is worth it.  
> 
> As far I know nobody use this interface yet for me there is no risk to 
> remove this code.
> 
> Benjamin
Hope you are right :)

Applied to the togreg branch of iio.git and pushed out as testing for
the autobuilders to play with it.

Thanks,

Jonathan

> 
> >
> > If we think it's the sort of change no one will notice, then
> > fair enough we'll give it a go and cross our fingers.
> >
> > Thanks,
> >
> > Jonathan
> >
>   

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