From: Paul Cercueil <paul@crapouillou.net>
To: Linus Walleij <linus.walleij@linaro.org>,
Arnd Bergmann <arnd@kernel.org>
Cc: od@zcrc.me, GPIO SUBSYSTEM <linux-gpio@vger.kernel.org>,
linux-kernel@vger.kernel.org,
Zhou Yanjie <zhouyanjie@wanyeetech.com>
Subject: Re: [PATCH v2 1/2] kconfig.h: Add IF_ENABLED() macro
Date: Mon, 11 Jan 2021 08:45:23 +0000 [thread overview]
Message-ID: <NNHRMQ.2ALS3SQBYT352@crapouillou.net> (raw)
In-Reply-To: <CACRpkdYautJ+aNrK+gqmAUzVCOgQH-WuXqEOn4FyW1hfeWa2zg@mail.gmail.com>
Hi,
Le lun. 14 déc. 2020 à 10:05, Linus Walleij
<linus.walleij@linaro.org> a écrit :
> On Mon, Dec 14, 2020 at 12:54 AM Paul Cercueil <paul@crapouillou.net>
> wrote:
>
>> IF_ENABLED(CONFIG_FOO, ptr) evaluates to (ptr) if CONFIG_FOO is set
>> to 'y'
>> or 'm', NULL otherwise. The (ptr) argument must be a pointer.
>>
>> The IF_ENABLED() macro can be very useful to help GCC drop dead
>> code.
>
> I can apply this with the other patch to the pinctrl subsystem if
> Arnd or
> someone else who is good at KConfig provides an ACK.
Arnd? Any feedback?
Cheers,
-Paul
next prev parent reply other threads:[~2021-01-11 8:46 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-13 23:54 Paul Cercueil
2020-12-13 23:54 ` [PATCH v2 2/2] pinctrl: ingenic: Only support SoCs enabled in config Paul Cercueil
2020-12-14 9:05 ` [PATCH v2 1/2] kconfig.h: Add IF_ENABLED() macro Linus Walleij
2021-01-11 8:45 ` Paul Cercueil [this message]
2021-01-15 11:47 ` Arnd Bergmann
2021-01-18 15:14 ` Linus Walleij
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