linux-kernel - Re: [PATCH v2 5/5] iio: afe: iio-rescale: Re-use generic struct s32

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Date:   Wed, 26 Jan 2022 10:54:22 -0500
From:   Liam Beguin <liambeguin@...il.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     Peter Rosin <peda@...ntia.se>, Jonathan Cameron <jic23@...nel.org>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        Andreas Kemnade <andreas@...nade.info>,
        linux-arm-msm@...r.kernel.org, linux-iio@...r.kernel.org,
        linux-kernel@...r.kernel.org, Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Lars-Peter Clausen <lars@...afoo.de>
Subject: Re: [PATCH v2 5/5] iio: afe: iio-rescale: Re-use generic struct
 s32_fract

Hi Andy,
On Wed, Jan 26, 2022 at 02:04:53PM +0200, Andy Shevchenko wrote:
> On Wed, Jan 26, 2022 at 11:26:50AM +0100, Peter Rosin wrote:
> > On 2022-01-25 19:17, Andy Shevchenko wrote:
> > > On Tue, Jan 25, 2022 at 03:54:07PM +0100, Peter Rosin wrote:
> > >> On 2022-01-25 14:17, Andy Shevchenko wrote:
> > >>> On Mon, Jan 24, 2022 at 04:28:09PM -0500, Liam Beguin wrote:
> > >>>> On Mon, Jan 24, 2022 at 05:18:32PM +0200, Andy Shevchenko wrote:
> > >>>>> On Sat, Jan 15, 2022 at 06:52:03PM +0000, Jonathan Cameron wrote:
> > >>>>>> On Mon, 10 Jan 2022 21:31:04 +0200
> > >>>>>> Andy Shevchenko <andriy.shevchenko@...ux.intel.com> wrote:
> 
> ...

...

> The problem here is that every driver would like to do this differently
> and since it's related to the calculation we will have all possible error
> prone implementations which do miscalculations (yes, one may not notice
> traditional off-by-one until it becomes a huge issue by using additional
> conversion formulas or so).
> 
> > But sure, feel free to suggest something. But please hold until the
> > current work from Liam is merged.
> > That series is clearly more
> > important, and I'm not really interested in neither adding more work for
> > him nor a cleanup of the current code without those pending changes.
> 
> I'm very well fine with that. As I mentioned from the beginning, I may rebase
> this on top of the Liam's work.

I appreciate that! I'll make time to wrap things up so I don't hold you
up.

Cheers,
Liam

> -- 
> With Best Regards,
> Andy Shevchenko
> 
>