From patchwork Wed Jan 9 23:19:44 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ladislav Michl X-Patchwork-Id: 10754985 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1FC3A14E5 for ; Wed, 9 Jan 2019 23:19:52 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0FB9A291C8 for ; Wed, 9 Jan 2019 23:19:52 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 03E9F291E4; Wed, 9 Jan 2019 23:19:52 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI,UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5B6FC291DC for ; Wed, 9 Jan 2019 23:19:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726221AbfAIXTs (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-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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 Acked-by: Vincent Guittot --- 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 ?