Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754842AbbEMX4P (ORCPT ); Wed, 13 May 2015 19:56:15 -0400 Received: from tkt-001-i373.relay.mailchannels.net ([174.136.5.175]:57119 "EHLO relay.mailchannels.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S965313AbbEMX4N (ORCPT ); Wed, 13 May 2015 19:56:13 -0400 X-Sender-Id: duocircle|x-authuser|tmlind X-Sender-Id: duocircle|x-authuser|tmlind X-MC-Relay: Neutral X-MailChannels-SenderId: duocircle|x-authuser|tmlind X-MailChannels-Auth-Id: duocircle X-MC-Loop-Signature: 1431560227444:2129807805 X-MC-Ingress-Time: 1431560227444 X-Mail-Handler: DuoCircle Outbound SMTP X-Originating-IP: 104.193.169.186 X-Report-Abuse-To: abuse@duocircle.com (see https://support.duocircle.com/support/solutions/articles/5000540958-duocircle-standard-smtp-abuse-information for abuse reporting information) X-MHO-User: U2FsdGVkX1/VEJdyjIP4621FSW15FTH8 From: Tony Lindgren To: "Rafael J. Wysocki" , Alan Stern Cc: Andreas Fenkart , Greg Kroah-Hartman , Felipe Balbi , Huiquan Zhong , Kevin Hilman , NeilBrown , Mika Westerberg , Nishanth Menon , Peter Hurley , Sebastian Andrzej Siewior , Ulf Hansson , Thomas Gleixner , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, linux-omap@vger.kernel.org Subject: [PATCH 1/5] PM / Runtime: Update last_busy in rpm_resume Date: Wed, 13 May 2015 16:36:32 -0700 Message-Id: <1431560196-5722-2-git-send-email-tony@atomide.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1431560196-5722-1-git-send-email-tony@atomide.com> References: <1431560196-5722-1-git-send-email-tony@atomide.com> X-AuthUser: tmlind Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1041 Lines: 30 If we don't update last_busy in rpm_resume, devices can go back to sleep immediately after resume. This happens at least in cases where the device has been powered off and does not have any interrupt pending until there's something in the FIFO. Signed-off-by: Tony Lindgren --- drivers/base/power/runtime.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c index 5070c4f..4ffe4a2 100644 --- a/drivers/base/power/runtime.c +++ b/drivers/base/power/runtime.c @@ -741,6 +741,7 @@ static int rpm_resume(struct device *dev, int rpmflags) } else { no_callback: __update_runtime_status(dev, RPM_ACTIVE); + pm_runtime_mark_last_busy(dev); if (parent) atomic_inc(&parent->power.child_count); } -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/