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Message-ID: <CAK8P3a21gkBsb3rcNvzH3XA_0GRRKPgnsrynTTO=EZVwy6DC+g@mail.gmail.com>
Date: Tue, 8 Dec 2020 15:04:45 +0100
From: Arnd Bergmann <arnd@...nel.org>
To: Paul Cercueil <paul@...pouillou.net>
Cc: Ulf Hansson <ulf.hansson@...aro.org>,
Chaotian Jing <chaotian.jing@...iatek.com>,
Matthias Brugger <matthias.bgg@...il.com>,
Wenbin Mei <wenbin.mei@...iatek.com>,
Arnd Bergmann <arnd@...db.de>,
Chun-Hung Wu <chun-hung.wu@...iatek.com>,
yong mao <yong.mao@...iatek.com>,
Amey Narkhede <ameynarkhede03@...il.com>,
Marek Vasut <marex@...x.de>,
linux-mmc <linux-mmc@...r.kernel.org>,
Linux ARM <linux-arm-kernel@...ts.infradead.org>,
"ARM/Mediatek SoC support" <linux-mediatek@...ts.infradead.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
Subject: Re: [PATCH] mmc: mediatek: mark PM functions as __maybe_unused
On Mon, Dec 7, 2020 at 1:33 PM Paul Cercueil <paul@...pouillou.net> wrote:
> Le ven. 4 déc. 2020 à 15:14, Arnd Bergmann <arnd@...nel.org> a écrit
> By the way, as I'm ending up doing the same in a different context, I
> think it would be useful to have a IF_ENABLED() macro defined like this:
>
> #define IF_ENABLED(_cfg, _ptr) (IS_ENABLED(_cfg) ? (_ptr) : NULL)
>
> Then the pm_ptr(_ptr) macro could be defined like this:
>
> #define pm_ptr(_ptr) IF_ENABLED(CONFIG_PM, _ptr)
I like that. Do you just want to go ahead and start with adding
IF_ENABLED() to your own branch then?
Arnd
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