From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754528AbaIXQ5Y (ORCPT ); Wed, 24 Sep 2014 12:57:24 -0400 Received: from mga11.intel.com ([192.55.52.93]:49437 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753173AbaIXQqf (ORCPT ); Wed, 24 Sep 2014 12:46:35 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.04,590,1406617200"; d="scan'208";a="604749217" From: Vinod Koul To: linux-kernel@vger.kernel.org Cc: subhransu.s.prusty@intel.com, vinod.koul@intel.com, "Rafael J. Wysocki" , Len Brown , Pavel Machek , Randy Dunlap , Ulf Hansson , Alan Stern , linux-pm@vger.kernel.org, linux-doc@vger.kernel.org Subject: [PATCH 01/27] PM: Add helper pm_runtime_last_busy_and_autosuspend() Date: Wed, 24 Sep 2014 21:44:51 +0530 Message-Id: <1411575342-31048-2-git-send-email-vinod.koul@intel.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1411575342-31048-1-git-send-email-vinod.koul@intel.com> References: <1411575342-31048-1-git-send-email-vinod.koul@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Subhransu S. Prusty pm_runtime_mark_last_busy and pm_runtime_put_autosuspend are used together in quite a lot of places. Add a helper for these. Also updated Documentation for this Signed-off-by: Subhransu S. Prusty Signed-off-by: Vinod Koul --- Documentation/power/runtime_pm.txt | 4 ++++ include/linux/pm_runtime.h | 6 ++++++ 2 files changed, 10 insertions(+), 0 deletions(-) diff --git a/Documentation/power/runtime_pm.txt b/Documentation/power/runtime_pm.txt index f32ce54..5d9565b 100644 --- a/Documentation/power/runtime_pm.txt +++ b/Documentation/power/runtime_pm.txt @@ -490,6 +490,10 @@ drivers/base/power/runtime.c and include/linux/pm_runtime.h: power.use_autosuspend isn't set, otherwise returns the expiration time in jiffies + int pm_runtime_last_busy_and_autosuspend(struct device *dev); + - invoke pm_runtime_mark_last_busy(dev) and then run + pm_runtime_put_autosuspend(dev) and return its result + It is safe to execute the following helper functions from interrupt context: pm_request_idle() diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h index 367f49b..256ec50 100644 --- a/include/linux/pm_runtime.h +++ b/include/linux/pm_runtime.h @@ -277,4 +277,10 @@ static inline void pm_runtime_dont_use_autosuspend(struct device *dev) __pm_runtime_use_autosuspend(dev, false); } +static inline int pm_runtime_last_busy_and_autosuspend(struct device *dev) +{ + pm_runtime_mark_last_busy(dev); + return pm_runtime_put_autosuspend(dev); +} + #endif -- 1.7.0.4