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Date:   Sat, 22 Jan 2022 13:06:41 +0100
From:   Marc Kleine-Budde <mkl@pengutronix.de>
To:     Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc:     linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will@kernel.org>
Subject: Re: [PATCH] arm64: vdso: Fix "no previous prototype" warning
Message-ID: <20220122120641.h7p4xujjolkxe52o@pengutronix.de>
References: <20220109113504.1921017-1-mkl@pengutronix.de>
 <20220121121234.47273-1-vincenzo.frascino@arm.com>
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On 21.01.2022 12:12:34, Vincenzo Frascino wrote:
> If compiling the arm64 kernel with W=3D1 the following warning is produce=
d:
>=20
> | arch/arm64/kernel/vdso/vgettimeofday.c:9:5: error: no previous prototyp=
e for =E2=80=98__kernel_clock_gettime=E2=80=99 [-Werror=3Dmissing-prototype=
s]
> |     9 | int __kernel_clock_gettime(clockid_t clock,
> |       |     ^~~~~~~~~~~~~~~~~~~~~~
> | arch/arm64/kernel/vdso/vgettimeofday.c:15:5: error: no previous prototy=
pe for =E2=80=98__kernel_gettimeofday=E2=80=99 [-Werror=3Dmissing-prototype=
s]
> |    15 | int __kernel_gettimeofday(struct __kernel_old_timeval *tv,
> |       |     ^~~~~~~~~~~~~~~~~~~~~
> | arch/arm64/kernel/vdso/vgettimeofday.c:21:5: error: no previous prototy=
pe for =E2=80=98__kernel_clock_getres=E2=80=99 [-Werror=3Dmissing-prototype=
s]
> |    21 | int __kernel_clock_getres(clockid_t clock_id,
> |       |     ^~~~~~~~~~~~~~~~~~~~~
>=20
> This patch removes "-Wmissing-prototypes" and "-Wmissing-declarations" co=
mpilers
> flags from the compilation of vgettimeofday.c to make possible to build t=
he
> kernel with CONFIG_WERROR enabled.
>=20
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Will Deacon <will@kernel.org>
> Suggested-by: Marc Kleine-Budde <mkl@pengutronix.de>
> Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>

Tested-by: Marc Kleine-Budde <mkl@pengutronix.de>

regards,
Marc

--=20
Pengutronix e.K.                 | Marc Kleine-Budde           |
Embedded Linux                   | https://www.pengutronix.de  |
Vertretung West/Dortmund         | Phone: +49-231-2826-924     |
Amtsgericht Hildesheim, HRA 2686 | Fax:   +49-5121-206917-5555 |

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