From mboxrd@z Thu Jan 1 00:00:00 1970 From: Krzysztof Kozlowski Subject: [PATCH 7/8] ARM: dts: s3c64xx: Fix infinite interrupt in soft mode Date: Fri, 24 Feb 2017 17:11:21 +0200 Message-ID: <20170224151122.12142-8-krzk@kernel.org> References: <20170224151122.12142-1-krzk@kernel.org> Return-path: In-Reply-To: <20170224151122.12142-1-krzk-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> Sender: linux-watchdog-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Wim Van Sebroeck , Guenter Roeck , Kukjin Kim , Krzysztof Kozlowski , Javier Martinez Canillas , linux-watchdog-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-samsung-soc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-samsung-soc@vger.kernel.org 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 --- 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>; -- 2.9.3 -- To unsubscribe from this list: send the line "unsubscribe linux-watchdog" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail.kernel.org ([198.145.29.136]:39860 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751281AbdBXPRF (ORCPT ); Fri, 24 Feb 2017 10:17:05 -0500 From: Krzysztof Kozlowski To: Wim Van Sebroeck , Guenter Roeck , Kukjin Kim , Krzysztof Kozlowski , 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 Subject: [PATCH 7/8] ARM: dts: s3c64xx: Fix infinite interrupt in soft mode Date: Fri, 24 Feb 2017 17:11:21 +0200 Message-Id: <20170224151122.12142-8-krzk@kernel.org> In-Reply-To: <20170224151122.12142-1-krzk@kernel.org> References: <20170224151122.12142-1-krzk@kernel.org> Sender: linux-watchdog-owner@vger.kernel.org List-Id: linux-watchdog@vger.kernel.org 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 --- 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>; -- 2.9.3 From mboxrd@z Thu Jan 1 00:00:00 1970 From: krzk@kernel.org (Krzysztof Kozlowski) Date: Fri, 24 Feb 2017 17:11:21 +0200 Subject: [PATCH 7/8] ARM: dts: s3c64xx: Fix infinite interrupt in soft mode In-Reply-To: <20170224151122.12142-1-krzk@kernel.org> References: <20170224151122.12142-1-krzk@kernel.org> Message-ID: <20170224151122.12142-8-krzk@kernel.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 --- 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 at 7e004000 { - compatible = "samsung,s3c2410-wdt"; + compatible = "samsung,s3c6410-wdt"; reg = <0x7e004000 0x1000>; interrupt-parent = <&vic0>; interrupts = <26>; -- 2.9.3