From patchwork Thu May 19 14:35:05 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhang Rui X-Patchwork-Id: 574825 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 7DD84C433F5 for ; Thu, 19 May 2022 14:34:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239328AbiESOe6 (ORCPT ); Thu, 19 May 2022 10:34:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45738 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231470AbiESOe5 (ORCPT ); Thu, 19 May 2022 10:34:57 -0400 Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5BB9E79398 for ; Thu, 19 May 2022 07:34:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1652970897; x=1684506897; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=D3ZZxLXW0g++7yQ4TCcNc5rHJLllJ4ihW+EZESk4M/k=; b=Q/UuZByf0LwEMwRru8aYs0Dkmyec3SrmGHooL7p9WXGNQqD4BSLFG59D XtzPh4ZRrJ7QLA7i9OBC3pI1hElH3xDPCFuV5xT5oAFPhZOuTcWuAxZ7k s9EjT5O+kvcuPTRZGCi+qKl1Zl0zBESjZiGr02kaQ2OSxN2+hb6Gkn98b Du+qaPM2Mtfngjk6LmpTh1BtE0l9MuBS7buj9uAPePQmmwPuk0JRG/vCJ G5TvoDfjVYmPjHCDoSyEW9eGSnNhTTV4mIs8S3oyyBxWB0HTfRJ31JIAp +t16J5N3xwZQK/hdAlnoJqUbhk1j5HOhn5mem1E+1w+7Tj9uJUGVNqGMC w==; X-IronPort-AV: E=McAfee;i="6400,9594,10352"; a="259804219" X-IronPort-AV: E=Sophos;i="5.91,237,1647327600"; d="scan'208";a="259804219" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 May 2022 07:34:57 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.91,237,1647327600"; d="scan'208";a="570244525" Received: from rzhang1-dev.sh.intel.com ([10.239.48.43]) by orsmga007.jf.intel.com with ESMTP; 19 May 2022 07:34:55 -0700 From: Zhang Rui To: rjw@rjwysocki.net Cc: linux-pm@vger.kernel.org, daniel.lezcano@linaro.org, sumeet.r.pawnikar@intel.com, len.brown@intel.com Subject: [PATCH V2 1/4] PM: wakeup: expose pm_wakeup_pending to modules Date: Thu, 19 May 2022 22:35:05 +0800 Message-Id: <20220519143508.3803894-2-rui.zhang@intel.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20220519143508.3803894-1-rui.zhang@intel.com> References: <20220519143508.3803894-1-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) {