From patchwork Thu May 5 01:58:08 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhang Rui X-Patchwork-Id: 570897 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9FE1FC4332F for ; Thu, 5 May 2022 01:58:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236691AbiEECB6 (ORCPT ); Wed, 4 May 2022 22:01:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38192 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236547AbiEECB4 (ORCPT ); Wed, 4 May 2022 22:01:56 -0400 Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CE709496BA; Wed, 4 May 2022 18:58:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1651715898; x=1683251898; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=D3ZZxLXW0g++7yQ4TCcNc5rHJLllJ4ihW+EZESk4M/k=; b=IghTVzWkpKU/e+63p3N1STkgvuJkh5mHrV4daiOf6mULUsrm5zktQrBt LlDKsQf412fM9MrohkOgNrvTar/rjDGWIpt14DP8rfR8m+RumQnPwwpm6 blwGC1955HoUOhDF9QqloFGTv/YXXcKhJQgiJDrrQgvz0ACeZ37lTTAwd rmH3y7gRRASlH+nrKWLpkdA5aqja4nt2as6n+lmbtXM5zjLSrSzdvDTlK q9D5qd4jylIVt4PhphnoVdPLidkffKjtO7vvYgV3UrjUCGu9onrhiJLsL GibUX/CWpSrdM71LfNhyqOcUkf5KF/Lsvkp9O+RzvpCSGEyIjXdIOZKcn Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10337"; a="293153440" X-IronPort-AV: E=Sophos;i="5.91,199,1647327600"; d="scan'208";a="293153440" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 May 2022 18:58:18 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.91,199,1647327600"; d="scan'208";a="537105979" Received: from rzhang1-dev.sh.intel.com ([10.239.48.43]) by orsmga006.jf.intel.com with ESMTP; 04 May 2022 18:58:15 -0700 From: Zhang Rui To: rjw@rjwysocki.net, kvalo@kernel.org, alexandre.belloni@bootlin.com Cc: linux-pm@vger.kernel.org, linux-acpi@vger.kernel.org, linux-rtc@vger.kernel.org, linux-wireless@vger.kernel.org, daniel.lezcano@linaro.org, merez@codeaurora.org, mat.jonczyk@o2.pl, sumeet.r.pawnikar@intel.com, len.brown@intel.com Subject: [PATCH 1/7] PM: wakeup: expose pm_wakeup_pending to modules Date: Thu, 5 May 2022 09:58:08 +0800 Message-Id: <20220505015814.3727692-2-rui.zhang@intel.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20220505015814.3727692-1-rui.zhang@intel.com> References: <20220505015814.3727692-1-rui.zhang@intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org intel_pch_thermal driver needs a long delay to cool itself (60 seconds in maximum) during suspend. When a wakeup event occures during the delay, it is better for the intel_pch_thermal driver to detect this and quit cooling because the suspend is likely to abort anyway. Thus expose pm_wakeup_pending to modules so that intel_pch_thermal driver can be aware of the wakeup events. Signed-off-by: Zhang Rui Tested-by: Sumeet Pawnikar --- drivers/base/power/wakeup.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c index a57d469676ca..11a4ffe91367 100644 --- a/drivers/base/power/wakeup.c +++ b/drivers/base/power/wakeup.c @@ -930,6 +930,7 @@ bool pm_wakeup_pending(void) return ret || atomic_read(&pm_abort_suspend) > 0; } +EXPORT_SYMBOL_GPL(pm_wakeup_pending); void pm_system_wakeup(void) {