From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935566AbdCLUvS (ORCPT ); Sun, 12 Mar 2017 16:51:18 -0400 Received: from bh-25.webhostbox.net ([208.91.199.152]:48163 "EHLO bh-25.webhostbox.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935168AbdCLUvL (ORCPT ); Sun, 12 Mar 2017 16:51:11 -0400 Subject: Re: [PATCH v2 7/8] ARM: dts: s3c64xx: Fix infinite interrupt in soft mode To: Krzysztof Kozlowski , Wim Van Sebroeck , Rob Herring , Kukjin Kim , Javier Martinez Canillas , linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org References: <20170311172527.16368-1-krzk@kernel.org> <20170311172527.16368-8-krzk@kernel.org> From: Guenter Roeck Message-ID: Date: Sun, 12 Mar 2017 13:51:07 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 In-Reply-To: <20170311172527.16368-8-krzk@kernel.org> 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-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: authenticated_id: linux@roeck-us.net X-Authenticated-Sender: bh-25.webhostbox.net: linux@roeck-us.net 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 03/11/2017 09:25 AM, Krzysztof Kozlowski wrote: > In soft (no-reboot) mode, the driver self-pings watchdog upon expiration > of an interrupt. The interrupt has to be cleared, because otherwise > system enters infinite interrupt handling loop. > > Use a samsung,s3c6410-wdt compatible to select appropriate quirk for > clearing the watchdog interrupt. > > Signed-off-by: Krzysztof Kozlowski Acked-by: Guenter Roeck > --- > arch/arm/boot/dts/s3c64xx.dtsi | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm/boot/dts/s3c64xx.dtsi b/arch/arm/boot/dts/s3c64xx.dtsi > index 6caec5f27d38..c55cbb3af2c0 100644 > --- a/arch/arm/boot/dts/s3c64xx.dtsi > +++ b/arch/arm/boot/dts/s3c64xx.dtsi > @@ -94,7 +94,7 @@ > }; > > watchdog: watchdog@7e004000 { > - compatible = "samsung,s3c2410-wdt"; > + compatible = "samsung,s3c6410-wdt"; > reg = <0x7e004000 0x1000>; > interrupt-parent = <&vic0>; > interrupts = <26>; >