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Message-ID: <CAHp75Vc7W1EcHSoCaRCbJEcWb4naOez6d=W+kJVtMSifkPAozQ@mail.gmail.com>
Date: Tue, 18 Jul 2023 15:50:35 +0300
From: Andy Shevchenko <andy.shevchenko@...il.com>
To: Paul Cercueil <paul@...pouillou.net>
Cc: Thierry Reding <thierry.reding@...il.com>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Mika Westerberg <mika.westerberg@...ux.intel.com>,
Linus Walleij <linus.walleij@...aro.org>,
Balsam CHIHI <bchihi@...libre.com>,
Claudiu Beznea <claudiu.beznea@...rochip.com>,
Geert Uytterhoeven <geert+renesas@...der.be>,
Wolfram Sang <wsa+renesas@...g-engineering.com>,
linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-mediatek@...ts.infradead.org,
linux-arm-kernel@...ts.infradead.org,
linux-renesas-soc@...r.kernel.org, linux-tegra@...r.kernel.org,
linux-pm@...r.kernel.org, Andy Shevchenko <andy@...nel.org>,
Sean Wang <sean.wang@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com>,
Andrew Lunn <andrew@...n.ch>,
Gregory Clement <gregory.clement@...tlin.com>,
Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
Ludovic Desroches <ludovic.desroches@...rochip.com>,
Nicolas Ferre <nicolas.ferre@...rochip.com>,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
Jonathan Hunter <jonathanh@...dia.com>,
"Rafael J. Wysocki" <rafael@...nel.org>,
Len Brown <len.brown@...el.com>, Pavel Machek <pavel@....cz>
Subject: Re: [PATCH v2 10/10] pinctrl: tegra: Switch to use
DEFINE_NOIRQ_DEV_PM_OPS() helper
On Tue, Jul 18, 2023 at 2:55 PM Paul Cercueil <paul@...pouillou.net> wrote:
> Le mardi 18 juillet 2023 à 13:41 +0200, Thierry Reding a écrit :
> > On Tue, Jul 18, 2023 at 10:42:47AM +0200, Paul Cercueil wrote:
...
> > Looking at the definition of EXPORT_GPL_DEV_PM_OPS(), it will cause
> > an
> > EXPORT_SYMBOL_GPL() to be added. So there very well is a change. And
> > it's a completely bogus change because no module is ever going to use
> > that symbol. If we were to ever support building the pinctrl driver
> > as
> > a module, then this would perhaps make sense, but we don't.
>
> In this particular case the EXPORT_SYMBOL_GPL() isn't really important,
> the rest of EXPORT_GPL_DEV_PM_OPS() is.
>
> I don't think having a symbol exported it is a big deal, TBH, if you
> use the namespaced version. If you really don't want that, we need a
> version of EXPORT_GPL_DEV_PM_OPS() that doesn't export the symbol.
Ah, I agree with Thierry and it is another point why I do not like
those EXPORT*PM_OPS() macros.
Polluting an exported space (even namespaced) is a big deal, so,
definitely no from my side.
--
With Best Regards,
Andy Shevchenko
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