From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755762AbaGNOTk (ORCPT ); Mon, 14 Jul 2014 10:19:40 -0400 Received: from fw-tnat.austin.arm.com ([217.140.110.23]:14591 "EHLO collaborate-mta1.arm.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754506AbaGNOTc (ORCPT ); Mon, 14 Jul 2014 10:19:32 -0400 Date: Mon, 14 Jul 2014 15:19:04 +0100 From: Catalin Marinas To: Guenter Roeck Cc: "linux-watchdog@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , Wim Van Sebroeck , Maxime Ripard , Will Deacon , Arnd Bergmann , Heiko Stuebner , Russell King , Jonas Jensen , Randy Dunlap , Andrew Morton , Steven Rostedt , Ingo Molnar , Dmitry Eremin-Solenikov , David Woodhouse , Tomasz Figa , "linux-doc@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH v4 5/7] watchdog: moxart: Register restart handler with restart notifier Message-ID: <20140714141904.GA1112@arm.com> References: <1405265431-4561-1-git-send-email-linux@roeck-us.net> <1405265431-4561-6-git-send-email-linux@roeck-us.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1405265431-4561-6-git-send-email-linux@roeck-us.net> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Jul 13, 2014 at 04:30:29PM +0100, Guenter Roeck wrote: > diff --git a/drivers/watchdog/moxart_wdt.c b/drivers/watchdog/moxart_wdt.c > index 4aa3a8a..5080b50 100644 > --- a/drivers/watchdog/moxart_wdt.c > +++ b/drivers/watchdog/moxart_wdt.c [...] > -static void moxart_wdt_restart(enum reboot_mode reboot_mode, const char *cmd) > +static int moxart_restart_notify(struct notifier_block *this, > + unsigned long mode, void *cmd) > { > - writel(1, moxart_restart_ctx->base + REG_COUNT); > - writel(0x5ab9, moxart_restart_ctx->base + REG_MODE); > - writel(0x03, moxart_restart_ctx->base + REG_ENABLE); > + struct moxart_wdt_dev *moxart_wdt = container_of(this, > + struct moxart_wdt_dev, > + restart_notifier); > + writel(1, moxart_wdt->base + REG_COUNT); > + writel(0x5ab9, moxart_wdt->base + REG_MODE); > + writel(0x03, moxart_wdt->base + REG_ENABLE); > + > + return NOTIFY_DONE; > } Wondering whether NOTIFY_OK or even NOTIFY_STOP_MASK is better here. -- Catalin