linux-kernel - Re: [PATCH 1/6] iio: chemical: scd30: add core driver

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Date:   Tue, 28 Apr 2020 16:06:53 +0200
From:   Tomasz Duszynski <tomasz.duszynski@...akon.com>
To:     Andy Shevchenko <andy.shevchenko@...il.com>
CC:     Tomasz Duszynski <tomasz.duszynski@...akon.com>,
        linux-iio <linux-iio@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        devicetree <devicetree@...r.kernel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Jonathan Cameron <jic23@...nel.org>
Subject: Re: [PATCH 1/6] iio: chemical: scd30: add core driver

On Tue, Apr 28, 2020 at 01:16:47PM +0300, Andy Shevchenko wrote:
> On Tue, Apr 28, 2020 at 10:57 AM Tomasz Duszynski
> <tomasz.duszynski@...akon.com> wrote:
> >
> > On Sat, Apr 25, 2020 at 09:52:25PM +0300, Andy Shevchenko wrote:
> > > On Sat, Apr 25, 2020 at 9:42 PM Tomasz Duszynski
> > > <tomasz.duszynski@...akon.com> wrote:
> > > > On Sat, Apr 25, 2020 at 02:43:35PM +0300, Andy Shevchenko wrote:
> > > > > On Fri, Apr 24, 2020 at 10:05 PM Tomasz Duszynski
> > > > > <tomasz.duszynski@...akon.com> wrote:
> > > > > > On Wed, Apr 22, 2020 at 10:49:44PM +0300, Andy Shevchenko wrote:
> > > > > > > On Wed, Apr 22, 2020 at 5:22 PM Tomasz Duszynski
> > > > > > > <tomasz.duszynski@...akon.com> wrote:
> > >
> > > ...
> > >
> > > > > > As for ABI that's in
> > > > > > a separate patch.
> > > > >
> > > > > It's not good from bisectability point of view. If by some reason this
> > > > > patch or documentation patch gets reverted, the other one will be
> > > > > dangling.
> > > > > Please, unify them.
> > > > >
> > > >
> > > > Huh? Reverting core and leaving leftovers would be wrong and pointless.
> > >
> > > Exactly my point why it should be one patch. To secure impossibility
> > > to do pointless reverts.
> > >
> >
> > But the same applies to other driver parts like i2c or serial
> > interfaces. I don't buy it.
>
> They won't compile without core driver, right? Absence of the
> documentation OTOH doesn't prevent build.
>

Fair enough.

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