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=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED 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 51F86C43387 for ; Tue, 18 Dec 2018 07:48:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2D26F217D8 for ; Tue, 18 Dec 2018 07:48:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726419AbeLRHsU (ORCPT ); Tue, 18 Dec 2018 02:48:20 -0500 Received: from mail-vk1-f194.google.com ([209.85.221.194]:36257 "EHLO mail-vk1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726370AbeLRHsU (ORCPT ); Tue, 18 Dec 2018 02:48:20 -0500 Received: by mail-vk1-f194.google.com with SMTP id 185so1789934vkc.3; Mon, 17 Dec 2018 23:48:18 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=7QEEk4nwWjPhCOyHdf8ZW8BLQpXj6+ZZKK3D0JpRclw=; b=mxq2CKooaBkyrzEa7aJhXNEDFspZeezSmodRzwTJMGgWwjYvhAxCqrQKVVF9MrOL38 aBW8FsBLbkgnnw9q4qwIPtnESgaho8q0uAIk340y5RRYffkqVX2vOxt6BhoNNoGUyjuE tFVrV3oCmTRQHTnRlO0Aa1sg85CkUmral3kBnev0aRCjkDFYZFayGZ9CI4tv3ZvYqM3z pl20QYaNw/5lC3aZLFfyPx45cR/GE1160zR3plR0JneKYY+nDRwL2sjzuSJfVaQbPttI IOF5OE/eR3o+GJhR3JYA+ifZK2N73G148+WPQZZqIn+GFQ9uZ6BYEOLORL9BajBcpxwT 2kFA== X-Gm-Message-State: AA+aEWbmXBKvxHptvNxSMlM+nqrThDBXFVqQMLv/seZmGdb5u2bWH1Ye 4og+UDO7+D7rdGx/ZeyM77GgYNq+1dLPVQzRl0g= X-Google-Smtp-Source: AFSGD/XD9vcM/oOAozc3oV0CPFpToDpaItz1JoUQ9vA9XWj7+6xO757OEoO3HMPplUSQ24sUItyghZ/2QmgKd0b6IGc= X-Received: by 2002:a1f:2145:: with SMTP id h66mr7415917vkh.65.1545119298333; Mon, 17 Dec 2018 23:48:18 -0800 (PST) MIME-Version: 1.0 References: <20181217193314.3487-1-wsa+renesas@sang-engineering.com> In-Reply-To: <20181217193314.3487-1-wsa+renesas@sang-engineering.com> From: Geert Uytterhoeven Date: Tue, 18 Dec 2018 08:48:06 +0100 Message-ID: Subject: Re: [PATCH] watchdog: add documentation for PM usage To: Wolfram Sang Cc: Linux Watchdog Mailing List , Linux-Renesas , Wim Van Sebroeck , Kieran Bingham Content-Type: text/plain; charset="UTF-8" Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org Hi Wolfram, On Mon, Dec 17, 2018 at 9:36 PM Wolfram Sang wrote: > Add the first rule we recently agreed on. > > Signed-off-by: Wolfram Sang > --- > Documentation/watchdog/watchdog-pm.txt | 19 +++++++++++++++++++ > 1 file changed, 19 insertions(+) > create mode 100644 Documentation/watchdog/watchdog-pm.txt > > diff --git a/Documentation/watchdog/watchdog-pm.txt b/Documentation/watchdog/watchdog-pm.txt > new file mode 100644 > index 000000000000..7a4dd46e0d24 > --- /dev/null > +++ b/Documentation/watchdog/watchdog-pm.txt > @@ -0,0 +1,19 @@ > +The Linux WatchDog Timer Power Management Guide > +=============================================== > +Last reviewed: 17-Dec-2018 > + > +Wolfram Sang > + > +Introduction > +------------ > +This document states rules about watchdog devices and their power management > +handling to ensure a uniform behaviour for Linux systems. > + > + > +Ping on resume > +-------------- > +On resume, a watchdog timer shall be reset to its selected value to give > +userspace enough time to resume. [1] [2] > + > +[1] https://patchwork.kernel.org/patch/10252209/ > +[2] https://patchwork.kernel.org/patch/10711625/ Is patchwork content preserved eternally? I would use a link to lore.kernel.org instead, except that the above two threads can't be found (while they should). Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds