linux-kernel - Re: [PATCH 10/12] iio: adc: ad9467: convert to backend framework

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Date:   Fri, 01 Dec 2023 10:17:25 +0100
From:   Nuno Sá <noname.nuno@...il.com>
To:     David Lechner <dlechner@...libre.com>, nuno.sa@...log.com
Cc:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-iio@...r.kernel.org,
        Olivier MOYSAN <olivier.moysan@...s.st.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Michael Hennerich <Michael.Hennerich@...log.com>
Subject: Re: [PATCH 10/12] iio: adc: ad9467: convert to backend framework

On Thu, 2023-11-30 at 17:30 -0600, David Lechner wrote:
> On Tue, Nov 21, 2023 at 4:17 AM Nuno Sa via B4 Relay
> <devnull+nuno.sa.analog.com@...nel.org> wrote:
> > 
> > From: Nuno Sa <nuno.sa@...log.com>
> > 
> > Convert the driver to use the new IIO backend framework. The device
> > functionality is expected to be the same (meaning no added or removed
> > features).
> 
> Missing a devicetree bindings patch before this one?
> 
> > 
> > Also note this patch effectively breaks ABI and that's needed so we can
> > properly support this device and add needed features making use of the
> > new IIO framework.
> 
> Can you be more specific about what is actually breaking?

Device name for example changed. And it might be some other subtle breakage but that
was kind of agreed that would an ADI problem. I'm also fairly confident no one is
actually using the upstream version of the driver because it lacks some devices and
important features (like interface tuning).

- Nuno Sá