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| Started by | Krzysztof Kozlowski <krzk@kernel.org> |
|---|---|
| First post | 2017-03-11 18:30 +0100 |
| Last post | 2017-03-14 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
| From | Krzysztof Kozlowski <krzk@kernel.org> |
|---|---|
| Date | 2017-03-11 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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| From | Guenter Roeck <linux@roeck-us.net> |
|---|---|
| Date | 2017-03-12 22:00 +0100 |
| Subject | Re: [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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| From | Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> |
|---|---|
| Date | 2017-03-14 14:10 +0100 |
| Subject | Re: [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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