From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from opensource.wolfsonmicro.com ([80.75.67.52]:51564 "EHLO opensource.wolfsonmicro.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751196Ab1KWMUZ (ORCPT ); Wed, 23 Nov 2011 07:20:25 -0500 Date: Wed, 23 Nov 2011 12:20:19 +0000 From: Mark Brown To: Wim Van Sebroeck Cc: Wolfram Sang , Marc Vertes , linux-watchdog@vger.kernel.org, linux-kernel@vger.kernel.org, HaraldWelte@viatech.com Subject: Re: [PATCH RFC] watchdog: add a new driver for VIA chipsets Message-ID: <20111123122018.GA12227@opensource.wolfsonmicro.com> References: <4ecb84b9.48rmEWqC3D6x18iE%marc.vertes@sigfox.com> <20111122112212.GD2734@pengutronix.de> <4ecbd66c.8a87vIwdu0Z+quuZ%marc.vertes@sigfox.com> <20111122173227.GK6624@sirena.org.uk> <20111122184051.GA30941@pengutronix.de> <4eccc3f0.iApQ//mCzaN3UsrB%marc.vertes@sigfox.com> <20111123104926.GB4063@pengutronix.de> <20111123121329.GM23376@infomag.iguana.be> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20111123121329.GM23376@infomag.iguana.be> Sender: linux-watchdog-owner@vger.kernel.org List-Id: linux-watchdog@vger.kernel.org On Wed, Nov 23, 2011 at 01:13:29PM +0100, Wim Van Sebroeck wrote: > Bottom line: Yes, there is hardware available that can only be pinged > and not be stopped, but No, Userspace needs the start/stop and ping > functionality so that a watchdog daemon can work correctly (which is > important because some watchdog daemons also do application testing. Right, but if the hardware doesn't support this functionality it seems better to have the core deal with this rather than requiring the driver to implement empty operations.