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From: Andy Shevchenko <andy.shevchenko@gmail.com>
To: Matti Vaittinen <mazziesaccount@gmail.com>
Cc: "Jonathan Cameron" <jic23@kernel.org>,
	"Matti Vaittinen" <matti.vaittinen@fi.rohmeurope.com>,
	"Nuno Sá" <nuno.sa@analog.com>,
	"Lars-Peter Clausen" <lars@metafoo.de>,
	linux-iio <linux-iio@vger.kernel.org>,
	"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v3 07/14] iio: ltc2688: Simplify using devm_regulator_*get_enable()
Date: Sat, 20 Aug 2022 19:09:03 +0300	[thread overview]
Message-ID: <CAHp75VdoKtc2QqFcDuJ00KBz6mjg0fnM_WhyVqhCmDVo_3K6kg@mail.gmail.com> (raw)
In-Reply-To: <412c5d22-d59b-9191-80dd-e3ca11360bc4@gmail.com>

On Sat, Aug 20, 2022 at 4:45 PM Matti Vaittinen
<mazziesaccount@gmail.com> wrote:
> On 8/20/22 14:21, Jonathan Cameron wrote:
> > On Fri, 19 Aug 2022 22:19:17 +0300
> > Matti Vaittinen <mazziesaccount@gmail.com> wrote:

...

> >> +    static const char * const regulators[] = {"vcc", "iovcc"};
> > trivial - slight preference for
> >   { "vcc", "iovcc" };
> >
> > This isn't as important as for numeric values as we get some readability
> > from the quotes but still nice to have.
>
> Right. I'll fix it.

And also make it a reversed xmas tree order.

> > For the whole static / vs non static. My personal preference is not
> > to have the static marking but I don't care that much.
>
> I'd like to stick with the static here. I know this one particular array
> does not have much of a footprint - but I'd like to encourage the habit
> of considering the memory usage. This discussion serves as an example of
> how unknown the impact of making const data static is. I didn't know
> this myself until Sebastian educated me :)  Hence my strong preference
> on keeping this 'static' as an example for others who are as ignorant as
> I were ;) After all, having const data arrays static is quite an easy
> way of improving things - and it really does matter when there is many
> of arrays - or when they contain large data.

But still the same comment about global scope of the variable is applied.

As I explained before, hiding global variables inside a function is a
bad code practice.

-- 
With Best Regards,
Andy Shevchenko

  reply	other threads:[~2022-08-20 16:09 UTC|newest]

Thread overview: 65+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-19 19:16 [PATCH v3 00/14] Use devm helpers for regulator get and enable Matti Vaittinen
2022-08-19 19:17 ` [PATCH v3 01/14] docs: devres: regulator: Add new get_enable functions to devres.rst Matti Vaittinen
2022-08-19 19:17 ` [PATCH v3 02/14] clk: cdce925: simplify using devm_regulator_get_enable() Matti Vaittinen
2022-10-17 23:07   ` Stephen Boyd
2022-08-19 19:18 ` [PATCH v3 03/14] gpu: drm: simplify drivers using devm_regulator_*get_enable*() Matti Vaittinen
2022-08-29 14:25   ` Robert Foss
2022-08-30  7:04     ` Matti Vaittinen
2022-08-19 19:18 ` [PATCH v3 04/14] hwmon: lm90: simplify using devm_regulator_get_enable() Matti Vaittinen
2022-08-19 19:18 ` [PATCH v3 05/14] hwmon: adm1177: " Matti Vaittinen
2022-08-19 19:36   ` Guenter Roeck
2022-08-19 19:19 ` [PATCH v3 06/14] iio: ad7192: Simplify " Matti Vaittinen
2022-10-16 15:59   ` Jonathan Cameron
2022-08-19 19:19 ` [PATCH v3 07/14] iio: ltc2688: Simplify using devm_regulator_*get_enable() Matti Vaittinen
2022-08-20 11:21   ` Jonathan Cameron
2022-08-20 13:38     ` Matti Vaittinen
2022-08-20 16:09       ` Andy Shevchenko [this message]
2022-08-20 17:30         ` Matti Vaittinen
2022-08-20 17:41           ` Andy Shevchenko
2022-08-20 19:00             ` Matti Vaittinen
2022-08-21 13:13               ` Andy Shevchenko
2022-08-22  8:13                 ` Vaittinen, Matti
2022-08-22 19:14                   ` Jonathan Cameron
2022-08-30 11:34   ` Sa, Nuno
2022-10-16 16:04   ` Jonathan Cameron
2022-08-19 19:19 ` [PATCH v3 08/14] iio: bmg160_core: " Matti Vaittinen
2022-08-19 23:30   ` Andy Shevchenko
2022-08-20  6:19     ` Vaittinen, Matti
2022-08-20  6:25       ` Andy Shevchenko
2022-08-20  6:48         ` Vaittinen, Matti
2022-08-20  7:18           ` Andy Shevchenko
2022-08-20 10:05             ` Matti Vaittinen
2022-08-20 16:21               ` Andy Shevchenko
2022-08-20 17:27                 ` Matti Vaittinen
2022-08-21 13:08                   ` Andy Shevchenko
2022-08-22  5:50                     ` Vaittinen, Matti
2022-08-20 11:38       ` Jonathan Cameron
2022-08-20 13:20         ` Matti Vaittinen
2022-08-20 11:22   ` Jonathan Cameron
2022-08-20 13:26     ` Matti Vaittinen
2022-10-16 16:08   ` Jonathan Cameron
2022-10-17  4:28     ` Matti Vaittinen
2022-08-19 19:19 ` [PATCH v3 09/14] iio: st_lsm6dsx: " Matti Vaittinen
2022-10-16 16:11   ` Jonathan Cameron
2022-08-19 19:20 ` [PATCH v3 10/14] iio: ad7476: simplify using devm_regulator_get_enable() Matti Vaittinen
2022-08-30 11:44   ` Sa, Nuno
2022-10-16 16:12     ` Jonathan Cameron
2022-08-19 19:20 ` [PATCH v3 11/14] iio: ad7606: " Matti Vaittinen
2022-08-30 11:46   ` Sa, Nuno
2022-08-30 12:54     ` Matti Vaittinen
2022-10-16 16:15       ` Jonathan Cameron
2022-10-16 16:24         ` Jonathan Cameron
2022-10-17  4:32           ` Matti Vaittinen
2022-08-19 19:20 ` [PATCH v3 12/14] iio: max1241: " Matti Vaittinen
2022-08-19 19:58   ` Alexandru Lazar
2022-10-16 16:17     ` Jonathan Cameron
2022-08-19 19:20 ` [PATCH v3 13/14] iio: max1363: " Matti Vaittinen
2022-08-30 11:50   ` Sa, Nuno
2022-10-16 16:18     ` Jonathan Cameron
2022-10-16 16:37       ` Jonathan Cameron
2022-08-19 19:21 ` [PATCH v3 14/14] iio: hmc425a: " Matti Vaittinen
2022-08-30 11:49   ` Sa, Nuno
2022-08-30 13:00     ` Matti Vaittinen
2022-08-30 13:55       ` Sa, Nuno
2022-10-16 16:20         ` Jonathan Cameron
2022-08-19 23:27 ` [PATCH v3 00/14] Use devm helpers for regulator get and enable Andy Shevchenko

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