From: Andy Shevchenko <andriy.shevchenko@intel.com>
To: Oleksij Rempel <o.rempel@pengutronix.de>
Cc: "Andy Shevchenko" <andy@kernel.org>,
"Rob Herring" <robh@kernel.org>,
"Conor Dooley" <conor+dt@kernel.org>,
devicetree@vger.kernel.org, linux-iio@vger.kernel.org,
linux-kernel@vger.kernel.org, stable@vger.kernel.org,
"Nuno Sá" <nuno.sa@analog.com>,
kernel@pengutronix.de, "David Jander" <david@protonic.nl>,
"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
"David Lechner" <dlechner@baylibre.com>,
"Jonathan Cameron" <jic23@kernel.org>
Subject: Re: [PATCH v4 01/13] iio: dac: ds4424: reject -128 RAW value
Date: Tue, 3 Feb 2026 13:52:59 +0200 [thread overview]
Message-ID: <aYHhm03Jsv0zsyZ0@smile.fi.intel.com> (raw)
In-Reply-To: <aYHN3YfKCgEnAfD5@pengutronix.de>
On Tue, Feb 03, 2026 at 11:28:45AM +0100, Oleksij Rempel wrote:
> On Tue, Feb 03, 2026 at 11:54:35AM +0200, Andy Shevchenko wrote:
> > On Tue, Feb 03, 2026 at 10:34:21AM +0100, Oleksij Rempel wrote:
...
> > > case IIO_CHAN_INFO_RAW:
> > > - if (val < S8_MIN || val > S8_MAX)
> > > + if (val <= S8_MIN || val > S8_MAX)
> > > return -EINVAL;
> >
> > I still consider using -127, 127 is better than type _MIN/_MAX.
> > This is all due to '='.
>
> The use of S8_MIN here is intentional to satisfy the requirement for a minimal
> stable backport, as requested by Jonathan:
> https://lore.kernel.org/all/20260201144226.218a43cb@jic23-huawei/
>
> This patch: Strict "Fix only" for stable. Uses minimal logic changes (<=
> S8_MIN) to avoid introducing new bugs during backporting.
>
> N++ patch: Full refactoring.
>
> Can we accept this temporary state to facilitate the stable process?
Ah, if it's request by the maintainer, I can't and won't overrule it.
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2026-02-03 11:53 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-03 9:34 [PATCH v4 00/13] iio: dac: ds4424: add DS4402/DS4404 support and scale Oleksij Rempel
2026-02-03 9:34 ` [PATCH v4 01/13] iio: dac: ds4424: reject -128 RAW value Oleksij Rempel
2026-02-03 9:54 ` Andy Shevchenko
2026-02-03 10:28 ` Oleksij Rempel
2026-02-03 11:52 ` Andy Shevchenko [this message]
2026-02-05 20:41 ` Jonathan Cameron
2026-02-03 9:34 ` [PATCH v4 02/13] iio: dac: ds4424: refactor raw access to use bitwise operations Oleksij Rempel
2026-02-03 9:34 ` [PATCH v4 03/13] iio: dac: ds4424: ratelimit read errors and use device context Oleksij Rempel
2026-02-03 9:34 ` [PATCH v4 04/13] iio: dac: ds4424: sort headers alphabetically Oleksij Rempel
2026-02-03 9:34 ` [PATCH v4 05/13] iio: dac: ds4424: rename iio_info struct to avoid ambiguity Oleksij Rempel
2026-02-03 9:55 ` Andy Shevchenko
2026-02-03 9:34 ` [PATCH v4 06/13] iio: dac: ds4424: use device match data for chip info Oleksij Rempel
2026-02-03 10:03 ` Andy Shevchenko
2026-02-03 10:17 ` Oleksij Rempel
2026-02-03 11:51 ` Andy Shevchenko
2026-02-03 12:00 ` Oleksij Rempel
2026-02-03 14:56 ` Andy Shevchenko
2026-02-05 20:43 ` Jonathan Cameron
2026-02-06 7:57 ` Oleksij Rempel
2026-02-06 9:59 ` Andy Shevchenko
2026-02-09 9:22 ` Oleksij Rempel
2026-02-09 10:29 ` Andy Shevchenko
2026-02-03 9:34 ` [PATCH v4 07/13] iio: dac: ds4424: use fsleep() instead of usleep_range() Oleksij Rempel
2026-02-03 11:45 ` Andy Shevchenko
2026-02-03 9:34 ` [PATCH v4 08/13] dt-bindings: iio: dac: maxim,ds4424: add ds4402/ds4404 Oleksij Rempel
2026-02-03 9:34 ` [PATCH v4 09/13] iio: dac: ds4424: add DS4402/DS4404 device IDs Oleksij Rempel
2026-02-03 9:34 ` [PATCH v4 10/13] iio: dac: ds4424: support per-variant output range limits Oleksij Rempel
2026-02-03 11:46 ` Andy Shevchenko
2026-02-03 9:34 ` [PATCH v4 11/13] iio: dac: ds4424: convert to regmap Oleksij Rempel
2026-02-03 11:57 ` Andy Shevchenko
2026-02-03 9:34 ` [PATCH v4 12/13] dt-bindings: iio: dac: maxim,ds4424: add maxim,rfs-ohms property Oleksij Rempel
2026-02-03 9:34 ` [PATCH v4 13/13] iio: dac: ds4424: add Rfs-based scale and per-variant limits Oleksij Rempel
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