linux-kernel - Re: [PATCH v2] pinctrl: ingenic: Garbage-collect code paths for SoCs disabled by config

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Message-ID: <CACRpkdY2L78n5_SB7tLNdyyxrYq9Thx=P4V4e=JmqGA91wqqww@mail.gmail.com>
Date:   Thu, 21 Apr 2022 16:15:44 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Paul Cercueil <paul@...pouillou.net>
Cc:     od@...ndingux.net, linux-mips@...r.kernel.org,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] pinctrl: ingenic: Garbage-collect code paths for SoCs
 disabled by config

On Tue, Apr 12, 2022 at 6:22 PM Paul Cercueil <paul@...pouillou.net> wrote:

> By being a bit smarter about how the SoC version checks are performed,
> it is possible to have all the code paths that correspond to SoCs
> disabled in the kernel config automatically marked as dead code by the
> compiler, and therefore garbage-collected.
>
> With this patch, when compiling a kernel that only targets the JZ4760
> for instance, the driver is now about 4.5 KiB smaller.
>
> Signed-off-by: Paul Cercueil <paul@...pouillou.net>

Patch applied.

Yours,
Linus Walleij