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From: Michael Ellerman <mpe@ellerman.id.au>
To: Mathieu Malaterre <malat@debian.org>
Cc: Mathieu Malaterre <malat@debian.org>,
	Christophe Leroy <christophe.leroy@c-s.fr>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	Martin Schwidefsky <schwidefsky@de.ibm.com>,
	Heiko Carstens <heiko.carstens@de.ibm.com>,
	"Rafael J. Wysocki" <rjw@rjwysocki.net>,
	Pavel Machek <pavel@ucw.cz>, Len Brown <len.brown@intel.com>,
	linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
	linux-s390@vger.kernel.org, linux-pm@vger.kernel.org
Subject: Re: [PATCH v2] powerpc/power: Expose pfn_is_nosave prototype
Date: Tue, 28 May 2019 11:15:56 +1000	[thread overview]
Message-ID: <878surqsz7.fsf@concordia.ellerman.id.au> (raw)
In-Reply-To: <20190524104418.17194-1-malat@debian.org>

Mathieu Malaterre <malat@debian.org> writes:
> The declaration for pfn_is_nosave is only available in
> kernel/power/power.h. Since this function can be override in arch,
> expose it globally. Having a prototype will make sure to avoid warning
> (sometime treated as error with W=1) such as:
>
>   arch/powerpc/kernel/suspend.c:18:5: error: no previous prototype for 'pfn_is_nosave' [-Werror=missing-prototypes]
>
> This moves the declaration into a globally visible header file and add
> missing include to avoid a warning on powerpc. Also remove the
> duplicated prototypes since not required anymore.
>
> Cc: Christophe Leroy <christophe.leroy@c-s.fr>
> Signed-off-by: Mathieu Malaterre <malat@debian.org>
> ---
> v2: As suggestion by christophe remove duplicates prototypes
>
>  arch/powerpc/kernel/suspend.c | 1 +
>  arch/s390/kernel/entry.h      | 1 -
>  include/linux/suspend.h       | 1 +
>  kernel/power/power.h          | 2 --
>  4 files changed, 2 insertions(+), 3 deletions(-)

Looks fine to me.

Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)

cheers

  parent reply	other threads:[~2019-05-28  1:16 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-23 11:47 [PATCH] " Mathieu Malaterre
2019-05-23 12:02 ` Christophe Leroy
2019-05-24 10:44 ` [PATCH v2] " Mathieu Malaterre
2019-05-27 10:53   ` Rafael J. Wysocki
2019-05-28  1:16     ` Michael Ellerman
2019-05-28 15:48       ` Rafael J. Wysocki
2019-05-28  1:15   ` Michael Ellerman [this message]
2019-06-27 22:00   ` Rafael J. Wysocki

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