From patchwork Mon May 9 23:32:14 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Osipenko X-Patchwork-Id: 12844211 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9B400C433EF for ; Mon, 9 May 2022 23:33:39 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.324886.547219 (Exim 4.92) (envelope-from ) id 1noCsb-0001Gh-SY; Mon, 09 May 2022 23:33:29 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 324886.547219; Mon, 09 May 2022 23:33:29 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1noCsb-0001Fe-NN; Mon, 09 May 2022 23:33:29 +0000 Received: by outflank-mailman (input) for mailman id 324886; Mon, 09 May 2022 23:33:28 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1noCsa-0007Pf-Fe for xen-devel@lists.xenproject.org; Mon, 09 May 2022 23:33:28 +0000 Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [46.235.227.227]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id 6cf07609-cff0-11ec-8fc4-03012f2f19d4; Tue, 10 May 2022 01:33:27 +0200 (CEST) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: dmitry.osipenko) with ESMTPSA id EB6021F43062 X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 6cf07609-cff0-11ec-8fc4-03012f2f19d4 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1652139206; bh=ADq4GZWEPNK7q9JUz/PJH0s7RkDgF/Hn0bL9XYpd1xY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KGyjgFeHS4c4whO9DLRPI4YnH/I1kcxhGjuZMUHWMXxrPTowBH3nsSioG+grbG2E8 mnkheS9YppXiE1XFZmpN8+NhD/nzj2UXihmV79dBZXmBvvWVTCKWXHTP8bvClUAXj1 4nlNgidw2ooBaq465rODMaKeABNVE6nkuJ7Q8Xm3bGYMUs6PLqgcdGYa5CtQU2PUK/ Jza3RN8pd4IlpFmarCSW5s3ufDshdt5+jjA/5gruEo9hsKxIniPgqZA10L6lW8+LoM tuiD7AddByNEUUZsYAIaBWxhshHGAxlCDHWH4Mq16erEhm603eMlSqLobcqsLKpUet qm4lCWHEs4Jdw== From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Russell King , Catalin Marinas , Will Deacon , Guo Ren , Geert Uytterhoeven , Greg Ungerer , Joshua Thompson , Thomas Bogendoerfer , Sebastian Reichel , Linus Walleij , Philipp Zabel , Greentime Hu , Vincent Chen , "James E.J. Bottomley" , Helge Deller , Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , Paul Walmsley , Palmer Dabbelt , Albert Ou , Yoshinori Sato , Rich Felker , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Boris Ostrovsky , Juergen Gross , Stefano Stabellini , "Rafael J. Wysocki" , Len Brown , Santosh Shilimkar , Krzysztof Kozlowski , Liam Girdwood , Mark Brown , Pavel Machek , Lee Jones , Andrew Morton , Guenter Roeck , Daniel Lezcano , Andy Shevchenko , Ulf Hansson , =?utf-8?b?TWljaGHFgiBNaXJvc8WCYXc=?= Cc: linux-kernel@vger.kernel.org, linux-csky@vger.kernel.org, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-sh@vger.kernel.org, xen-devel@lists.xenproject.org, linux-acpi@vger.kernel.org, linux-pm@vger.kernel.org, linux-tegra@vger.kernel.org Subject: [PATCH v8 06/27] kernel/reboot: Add stub for pm_power_off Date: Tue, 10 May 2022 02:32:14 +0300 Message-Id: <20220509233235.995021-7-dmitry.osipenko@collabora.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220509233235.995021-1-dmitry.osipenko@collabora.com> References: <20220509233235.995021-1-dmitry.osipenko@collabora.com> MIME-Version: 1.0 Add weak stub for the global pm_power_off callback variable. This will allow us to remove pm_power_off definitions from arch/ code and transition to the new sys-off based API that will replace the global variable. Signed-off-by: Dmitry Osipenko --- kernel/reboot.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/kernel/reboot.c b/kernel/reboot.c index 9afa99a32d62..eaede35f45e2 100644 --- a/kernel/reboot.c +++ b/kernel/reboot.c @@ -57,6 +57,12 @@ struct sys_off_handler { void *list; }; +/* + * Temporary stub that prevents linkage failure while we're in process + * of removing all uses of legacy pm_power_off() around the kernel. + */ +void __weak (*pm_power_off)(void); + /* * If set, this is used for preparing the system to power off. */