From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7D5EFC07542 for ; Tue, 28 May 2019 01:16:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 567D72075E for ; Tue, 28 May 2019 01:16:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727734AbfE1BQE (ORCPT ); Mon, 27 May 2019 21:16:04 -0400 Received: from ozlabs.org ([203.11.71.1]:41341 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727090AbfE1BQE (ORCPT ); Mon, 27 May 2019 21:16:04 -0400 Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 45CbWg518wz9s3Z; Tue, 28 May 2019 11:15:59 +1000 (AEST) From: Michael Ellerman To: Mathieu Malaterre Cc: Mathieu Malaterre , Christophe Leroy , Benjamin Herrenschmidt , Paul Mackerras , Martin Schwidefsky , Heiko Carstens , "Rafael J. Wysocki" , Pavel Machek , Len Brown , 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 In-Reply-To: <20190524104418.17194-1-malat@debian.org> References: <20190523114736.30268-1-malat@debian.org> <20190524104418.17194-1-malat@debian.org> Date: Tue, 28 May 2019 11:15:56 +1000 Message-ID: <878surqsz7.fsf@concordia.ellerman.id.au> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Mathieu Malaterre 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 > Signed-off-by: Mathieu Malaterre > --- > 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 (powerpc) cheers