From: Andy Shevchenko <andy.shevchenko@gmail.com>
To: Jonathan Cameron <jic23@kernel.org>
Cc: Liam Beguin <liambeguin@gmail.com>, Peter Rosin <peda@axentia.se>,
Lars-Peter Clausen <lars@metafoo.de>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-iio <linux-iio@vger.kernel.org>,
devicetree <devicetree@vger.kernel.org>,
Rob Herring <robh+dt@kernel.org>
Subject: Re: [PATCH v13 06/11] iio: afe: rescale: make use of units.h
Date: Sat, 5 Feb 2022 20:23:18 +0200 [thread overview]
Message-ID: <CAHp75Vef4kYqQsd+4A=MQANhEQwvO7N53aB0ypPO-QwDuUZJ8w@mail.gmail.com> (raw)
In-Reply-To: <20220205175404.451c5c56@jic23-huawei>
On Sat, Feb 5, 2022 at 7:47 PM Jonathan Cameron <jic23@kernel.org> wrote:
> On Tue, 1 Feb 2022 14:28:28 -0500
> Liam Beguin <liambeguin@gmail.com> wrote:
...
> Not sure if it would help but maybe it's worth a local define
> of something like
>
> #define MULT9 1000000000LL
> to loose the association with any particular SI basis and
> just indicate it's a bit number being used to retain precision
> in some maths? Would need a comment to stop people sending
> patches to replace it with GIGA though ;)
>
> My ultimate preference here is for whatever works for Peter and
> Liam as the people who are mostly likely to have to deal
> with any changes to this driver in the future.
SI multipliers are for values with the physical meaning. While Peter
found them confusing, it's a pretty much win in my opinion when we
talk about data from nature. For the pure mathematical scale it may be
confusing.
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2022-02-05 18:24 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-30 16:10 [PATCH v13 00/11] iio: afe: add temperature rescaling support Liam Beguin
2022-01-30 16:10 ` [PATCH v13 01/11] iio: afe: rescale: expose scale processing function Liam Beguin
2022-01-30 16:10 ` [PATCH v13 02/11] iio: afe: rescale: add INT_PLUS_{MICRO,NANO} support Liam Beguin
2022-02-02 17:04 ` Peter Rosin
2022-02-02 21:13 ` Liam Beguin
2022-01-30 16:10 ` [PATCH v13 03/11] iio: afe: rescale: add offset support Liam Beguin
2022-01-30 16:10 ` [PATCH v13 04/11] iio: afe: rescale: fix accuracy for small fractional scales Liam Beguin
2022-01-30 16:10 ` [PATCH v13 05/11] iio: afe: rescale: reduce risk of integer overflow Liam Beguin
2022-01-30 16:10 ` [PATCH v13 06/11] iio: afe: rescale: make use of units.h Liam Beguin
2022-01-31 14:50 ` Peter Rosin
2022-01-31 15:23 ` Andy Shevchenko
2022-02-01 1:59 ` Peter Rosin
2022-02-01 9:20 ` Andy Shevchenko
2022-02-01 19:28 ` Liam Beguin
2022-02-05 17:54 ` Jonathan Cameron
2022-02-05 18:23 ` Andy Shevchenko [this message]
2022-02-07 14:05 ` Liam Beguin
2022-02-07 20:22 ` Jonathan Cameron
2022-01-30 16:10 ` [PATCH v13 07/11] iio: test: add basic tests for the iio-rescale driver Liam Beguin
2022-01-30 16:10 ` [PATCH v13 08/11] iio: afe: rescale: add RTD temperature sensor support Liam Beguin
2022-02-02 16:58 ` Peter Rosin
2022-02-02 20:56 ` Liam Beguin
2022-01-30 16:10 ` [PATCH v13 09/11] iio: afe: rescale: add temperature transducers Liam Beguin
2022-01-30 16:11 ` [PATCH v13 10/11] dt-bindings: iio: afe: add bindings for temperature-sense-rtd Liam Beguin
2022-01-30 16:11 ` [PATCH v13 11/11] dt-bindings: iio: afe: add bindings for temperature transducers Liam Beguin
2022-01-31 11:06 ` [PATCH v13 00/11] iio: afe: add temperature rescaling support Andy Shevchenko
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