From mboxrd@z Thu Jan 1 00:00:00 1970 From: linux@roeck-us.net (Guenter Roeck) Date: Sun, 12 Mar 2017 13:50:42 -0700 Subject: [PATCH v2 6/8] ARM: dts: exynos: Fix infinite interrupt in soft mode on Exynos4210 and Exynos5440 In-Reply-To: <20170311172527.16368-7-krzk@kernel.org> References: <20170311172527.16368-1-krzk@kernel.org> <20170311172527.16368-7-krzk@kernel.org> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.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/exynos4210.dtsi | 2 +- > arch/arm/boot/dts/exynos5440.dtsi | 2 +- > 2 files changed, 2 insertions(+), 2 deletions(-) > > diff --git a/arch/arm/boot/dts/exynos4210.dtsi b/arch/arm/boot/dts/exynos4210.dtsi > index 9d51d4d62d94..e6e62103a71f 100644 > --- a/arch/arm/boot/dts/exynos4210.dtsi > +++ b/arch/arm/boot/dts/exynos4210.dtsi > @@ -120,7 +120,7 @@ > }; > > watchdog: watchdog at 10060000 { > - compatible = "samsung,s3c2410-wdt"; > + compatible = "samsung,s3c6410-wdt"; > reg = <0x10060000 0x100>; > interrupts = ; > clocks = <&clock CLK_WDT>; > diff --git a/arch/arm/boot/dts/exynos5440.dtsi b/arch/arm/boot/dts/exynos5440.dtsi > index 77d35bb92950..abfe054b2187 100644 > --- a/arch/arm/boot/dts/exynos5440.dtsi > +++ b/arch/arm/boot/dts/exynos5440.dtsi > @@ -189,7 +189,7 @@ > }; > > watchdog at 110000 { > - compatible = "samsung,s3c2410-wdt"; > + compatible = "samsung,s3c6410-wdt"; > reg = <0x110000 0x1000>; > interrupts = ; > clocks = <&clock CLK_B_125>; >