From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751255AbbAPFBv (ORCPT ); Fri, 16 Jan 2015 00:01:51 -0500 Received: from bh-25.webhostbox.net ([208.91.199.152]:33970 "EHLO bh-25.webhostbox.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750741AbbAPFBu (ORCPT ); Fri, 16 Jan 2015 00:01:50 -0500 Message-ID: <54B89B35.2010209@roeck-us.net> Date: Thu, 15 Jan 2015 21:01:41 -0800 From: Guenter Roeck User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.3.0 MIME-Version: 1.0 To: Mike Looijmans CC: wim@iguana.be, linux-watchdog@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v4] gpio_wdt: Add "always_running" feature to GPIO watchdog References: <20150113215212.GA12804@roeck-us.net> <1421216909-3109-1-git-send-email-mike.looijmans@topic.nl> In-Reply-To: <1421216909-3109-1-git-send-email-mike.looijmans@topic.nl> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-Authenticated_sender: linux@roeck-us.net X-OutGoing-Spam-Status: No, score=-1.0 X-CTCH-PVer: 0000001 X-CTCH-Spam: Unknown X-CTCH-VOD: Unknown X-CTCH-Flags: 0 X-CTCH-RefID: str=0001.0A020206.54B89B3D.0158,ss=1,re=0.001,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0 X-CTCH-Score: 0.001 X-CTCH-ScoreCust: 0.000 X-CTCH-Rules: C_4847, X-CTCH-SenderID: linux@roeck-us.net X-CTCH-SenderID-Flags: 0 X-CTCH-SenderID-TotalMessages: 1 X-CTCH-SenderID-TotalSpam: 0 X-CTCH-SenderID-TotalSuspected: 0 X-CTCH-SenderID-TotalConfirmed: 0 X-CTCH-SenderID-TotalBulk: 0 X-CTCH-SenderID-TotalVirus: 0 X-CTCH-SenderID-TotalRecipients: 0 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - bh-25.webhostbox.net X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - roeck-us.net X-Get-Message-Sender-Via: bh-25.webhostbox.net: mailgid no entry from get_relayhosts_entry X-Source: X-Source-Args: X-Source-Dir: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 01/13/2015 10:28 PM, Mike Looijmans wrote: > On some chips, like the TPS386000, the trigger cannot be disabled > and the CPU must keep toggling the line at all times. Add a switch > "always_running" to keep toggling the GPIO line regardless of the > state of the soft part of the watchdog. The "armed" member keeps > track of whether a timeout must also cause a reset. > > Signed-off-by: Mike Looijmans Reviewed-by: Guenter Roeck