linux-kernel - Re: [PATCH 11/16] ARM: move setup functions to header

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Message-ID: <CACRpkdZKQVZrU05xKG1fgbgcVaJ2Jvg8V2Hx3eHDsiGQqUtGcw@mail.gmail.com>
Date:   Mon, 22 May 2023 09:35:56 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     Russell King <linux@...linux.org.uk>,
        Arnd Bergmann <arnd@...db.de>,
        Steven Rostedt <rostedt@...dmis.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Oleg Nesterov <oleg@...hat.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Pavel Machek <pavel@....cz>, Ard Biesheuvel <ardb@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-trace-kernel@...r.kernel.org, linux-pm@...r.kernel.org
Subject: Re: [PATCH 11/16] ARM: move setup functions to header

On Tue, May 16, 2023 at 5:46 PM Arnd Bergmann <arnd@...nel.org> wrote:

> From: Arnd Bergmann <arnd@...db.de>
>
> A couple of functions are declared in arch/arm/mm/mmu.c rather than in a header,
> which causes W=1 build warnings:
>
> arch/arm/mm/init.c:97:13: error: no previous prototype for 'setup_dma_zone' [-Werror=missing-prototypes]
> arch/arm/mm/mmu.c:118:13: error: no previous prototype for 'init_default_cache_policy' [-Werror=missing-prototypes]
> arch/arm/mm/mmu.c:1195:13: error: no previous prototype for 'adjust_lowmem_bounds' [-Werror=missing-prototypes]
> arch/arm/mm/mmu.c:1761:13: error: no previous prototype for 'paging_init' [-Werror=missing-prototypes]
> arch/arm/mm/mmu.c:1794:13: error: no previous prototype for 'early_mm_init' [-Werror=missing-prototypes]
>
> Move the declaratsion to asm/setup.h so they can be seen by the compiler
> while building the definition.
>
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

This looks cleaner to me:
Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij