From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pl1-f196.google.com ([209.85.214.196]:40508 "EHLO mail-pl1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727038AbeLQUIl (ORCPT ); Mon, 17 Dec 2018 15:08:41 -0500 Date: Mon, 17 Dec 2018 12:08:39 -0800 From: Guenter Roeck To: Wolfram Sang Cc: linux-watchdog@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Wim Van Sebroeck Subject: Re: [PATCH] watchdog: add documentation for PM usage Message-ID: <20181217200839.GB29585@roeck-us.net> References: <20181217193314.3487-1-wsa+renesas@sang-engineering.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181217193314.3487-1-wsa+renesas@sang-engineering.com> Sender: linux-watchdog-owner@vger.kernel.org List-Id: linux-watchdog@vger.kernel.org On Mon, Dec 17, 2018 at 08:33:14PM +0100, Wolfram Sang wrote: > Add the first rule we recently agreed on. > > Signed-off-by: Wolfram Sang Reviewed-by: Guenter Roeck > --- > 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/ > -- > 2.19.1 >