From mboxrd@z Thu Jan  1 00:00:00 1970
From: Lee Jones <lee.jones@linaro.org>
Subject: Re: [PATCH v7 1/4] mfd: bd71837: mfd driver for ROHM BD71837 PMIC
Date: Fri, 6 Jul 2018 08:05:59 +0100
Message-ID: <20180706070559.GW496@dell>
References: <cover.1529404894.git.matti.vaittinen@fi.rohmeurope.com>
 <7e1888375c979accc402e9ddd7316e528b2ac52c.1529404894.git.matti.vaittinen@fi.rohmeurope.com>
 <CAFqH_51izuVgHukAORvwjZqGhxy85tdNdaHL9mOUnPnbCQmQjA@mail.gmail.com>
 <20180704145623.zgei3ehrwdpcu26r@penguin>
 <CAFqH_50UshTTc0Cv0wBhUoPdm0jZVgcvRKr3qzb=M-jCcMhdtA@mail.gmail.com>
 <20180705075650.GA7683@localhost.localdomain>
 <31712EE3-4FA5-4A52-8F84-0EDC1AEEF868@gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8bit
Return-path: <linux-kernel-owner@vger.kernel.org>
Content-Disposition: inline
In-Reply-To: <31712EE3-4FA5-4A52-8F84-0EDC1AEEF868@gmail.com>
Sender: linux-kernel-owner@vger.kernel.org
To: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>, Enric Balletbo Serra <eballetbo@gmail.com>, Michael Turquette <mturquette@baylibre.com>, sboyd@kernel.org, Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Liam Girdwood <lgirdwood@gmail.com>, Mark Brown <broonie@kernel.org>, Matti Vaittinen <mazziesaccount@gmail.com>, Arnd Bergmann <arnd@arndb.de>, Sebastian Reichel <sre@kernel.org>, chenjh@rock-chips.com, Andrey Smirnov <andrew.smirnov@gmail.com>, Linus Walleij <linus.walleij@linaro.org>, Kate Stewart <kstewart@linuxfoundation.org>, Heiko =?iso-8859-1?Q?St=FCbner?= <heiko@sntech.de>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, linux-clk@vger.kernel.org, "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>, linux-ke
List-Id: devicetree@vger.kernel.org

On Thu, 05 Jul 2018, Dmitry Torokhov wrote:

> On July 5, 2018 12:56:50 AM PDT, Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com> wrote:
> >On Wed, Jul 04, 2018 at 06:57:39PM +0200, Enric Balletbo Serra wrote:
> >> Missatge de Dmitry Torokhov <dmitry.torokhov@gmail.com> del dia dc.,
> >4
> >> de jul. 2018 a les 17:10:
> >> >
> >> > Hi Enric,
> >> >
> >> > On Tue, Jun 26, 2018 at 11:06:33AM +0200, Enric Balletbo Serra
> >wrote:
> >> > > Hi Matti,
> >> > >
> >> > > Thanks for the patch, a few comments below, some are feedback I
> >> > > received when I sent some patches to this subsystem.
> >> > >
> >> > > Missatge de Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
> >del
> >> > > dia dt., 19 de juny 2018 a les 12:57:
> >> > > > +};
> >> > > > +
> >> > > > +/* bd71837 multi function cells */
> >> > > > +static struct mfd_cell bd71837_mfd_cells[] = {
> >> > > > +       {
> >> > > > +               .name = "bd71837-clk",
> >> > > > +       }, {
> >> > > > +               .name = "bd718xx-pwrkey",
> >> > > > +               .resources = &irqs[0],
> >> > > > +               .num_resources = ARRAY_SIZE(irqs),
> >> > > > +       }, {
> >> > > > +               .name = "bd71837-pmic",
> >> > > > +       },
> >> > > nit: no comma at the end
> >> >
> >> > Actually, trailing comma is preferred on structures/arrays without
> >> > sentinels, because if one needs to add a new entry/new member, then
> >in
> >> > the diff there will have only one new line added, instead of one
> >line
> >> > being changed (adding now necessary comma) and one added.
> >> >
> >> 
> >> Many thanks for sharing your knowledge! That looks to me a good
> >> reason.
> >
> >So in this specific ecample leaving the comma does not help. The
> >opening
> >brace for new array element would be added to same line where the comma
> >is, right?
> 
> Ah, yes,  you are right. We usually have either:
> 
>         { /* element 1 */ },
>         { / *element 2 */ },
>         ...
> 
> or:
> 
>         {
>                 /* element 1 */
>         },
>         {
>                 /* element 2 */
>         },
> 
> but I do not think that it is codified in the CodingStyle.

FWIW, my *strong* preference for single line entries in the
aforementioned single line format.  Then Dmitry's explanation rings
true.

-- 
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog