From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C1EABC43387 for ; Wed, 9 Jan 2019 23:19:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 91BA72173B for ; Wed, 9 Jan 2019 23:19:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726761AbfAIXTs (ORCPT ); Wed, 9 Jan 2019 18:19:48 -0500 Received: from eddie.linux-mips.org ([148.251.95.138]:35514 "EHLO cvs.linux-mips.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726113AbfAIXTs (ORCPT ); Wed, 9 Jan 2019 18:19:48 -0500 Received: (from localhost user: 'ladis' uid#1021 fake: STDIN (ladis@eddie.linux-mips.org)) by eddie.linux-mips.org id S23994074AbfAIXTpoBnBl (ORCPT + 2 others); Thu, 10 Jan 2019 00:19:45 +0100 Date: Thu, 10 Jan 2019 00:19:44 +0100 From: Ladislav Michl To: "Rafael J. Wysocki" Cc: Linux PM , Linux Kernel Mailing List , Linux ARM , Linux OMAP Mailing List , "Rafael J. Wysocki" , Ulf Hansson , Tony Lindgren , Vincent Guittot Subject: [PATCH v2] PM/runtime: Fix 'jiffies' in comments after move to hrtimers Message-ID: <20190109231944.GA21177@lenoch> References: <20190109172336.GA1711@lenoch> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org PM-runtime now uses the hrtimers infrastructure for autosuspend, however comments still reference 'jiffies'. Fixes: 8234f6734c5d ("PM-runtime: Switch autosuspend over to using hrtimers") Signed-off-by: Ladislav Michl --- Changes: -v2: Reword comment accoring to Rafael's suggestion drivers/base/power/runtime.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c index 70624695b6d5..a282e74d1a16 100644 --- a/drivers/base/power/runtime.c +++ b/drivers/base/power/runtime.c @@ -121,7 +121,7 @@ static void pm_runtime_cancel_pending(struct device *dev) * Compute the autosuspend-delay expiration time based on the device's * power.last_busy time. If the delay has already expired or is disabled * (negative) or the power.use_autosuspend flag isn't set, return 0. - * Otherwise return the expiration time in jiffies (adjusted to be nonzero). + * Otherwise return the expiration time in nanoseconds (adjusted to be nonzero). * * This function may be called either with or without dev->power.lock held. * Either way it can be racy, since power.last_busy may be updated at any time. @@ -905,7 +905,10 @@ static enum hrtimer_restart pm_suspend_timer_fn(struct hrtimer *timer) spin_lock_irqsave(&dev->power.lock, flags); expires = dev->power.timer_expires; - /* If 'expire' is after 'jiffies' we've been called too early. */ + /* + * If 'expires' is after the current time, we've been called + * too early. + */ if (expires > 0 && expires < ktime_to_ns(ktime_get())) { dev->power.timer_expires = 0; rpm_suspend(dev, dev->power.timer_autosuspends ? -- 2.20.1