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[PATCH v2 7/8] ARM: dts: s3c64xx: Fix infinite interrupt in soft mode

Started byKrzysztof Kozlowski <krzk@kernel.org>
First post2017-03-11 18:30 +0100
Last post2017-03-14 14:10 +0100
Articles 3 — 3 participants

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  [PATCH v2 7/8] ARM: dts: s3c64xx: Fix infinite interrupt in soft mode Krzysztof Kozlowski <krzk@kernel.org> - 2017-03-11 18:30 +0100
    Re: [PATCH v2 7/8] ARM: dts: s3c64xx: Fix infinite interrupt in soft  mode Guenter Roeck <linux@roeck-us.net> - 2017-03-12 22:00 +0100
    Re: [PATCH v2 7/8] ARM: dts: s3c64xx: Fix infinite interrupt in soft  mode Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> - 2017-03-14 14:10 +0100

#1598378 — [PATCH v2 7/8] ARM: dts: s3c64xx: Fix infinite interrupt in soft mode

FromKrzysztof Kozlowski <krzk@kernel.org>
Date2017-03-11 18:30 +0100
Subject[PATCH v2 7/8] ARM: dts: s3c64xx: Fix infinite interrupt in soft mode
Message-ID<tjT06-5YC-23@gated-at.bofh.it>
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 <krzk@kernel.org>
---
 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

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#1598756 — Re: [PATCH v2 7/8] ARM: dts: s3c64xx: Fix infinite interrupt in soft mode

FromGuenter Roeck <linux@roeck-us.net>
Date2017-03-12 22:00 +0100
SubjectRe: [PATCH v2 7/8] ARM: dts: s3c64xx: Fix infinite interrupt in soft mode
Message-ID<tkiKR-6Jc-19@gated-at.bofh.it>
In reply to#1598378
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 <krzk@kernel.org>

Acked-by: Guenter Roeck <linux@roeck-us.net>

> ---
>  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>;
>

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#1600315 — Re: [PATCH v2 7/8] ARM: dts: s3c64xx: Fix infinite interrupt in soft mode

FromBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Date2017-03-14 14:10 +0100
SubjectRe: [PATCH v2 7/8] ARM: dts: s3c64xx: Fix infinite interrupt in soft mode
Message-ID<tkUn7-x2-1@gated-at.bofh.it>
In reply to#1598378
On Saturday, March 11, 2017 07:25:26 PM 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 <krzk@kernel.org>

Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics

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