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Groups > linux.kernel > #1598376
| From | Krzysztof Kozlowski <krzk@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v2 6/8] ARM: dts: exynos: Fix infinite interrupt in soft mode on Exynos4210 and Exynos5440 |
| Date | 2017-03-11 18:30 +0100 |
| Message-ID | <tjT06-5YC-9@gated-at.bofh.it> (permalink) |
| References | <tjT05-5YC-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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/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@10060000 {
- compatible = "samsung,s3c2410-wdt";
+ compatible = "samsung,s3c6410-wdt";
reg = <0x10060000 0x100>;
interrupts = <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>;
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@110000 {
- compatible = "samsung,s3c2410-wdt";
+ compatible = "samsung,s3c6410-wdt";
reg = <0x110000 0x1000>;
interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clock CLK_B_125>;
--
2.9.3
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[PATCH v2 6/8] ARM: dts: exynos: Fix infinite interrupt in soft mode on Exynos4210 and Exynos5440 Krzysztof Kozlowski <krzk@kernel.org> - 2017-03-11 18:30 +0100 Re: [PATCH v2 6/8] ARM: dts: exynos: Fix infinite interrupt in soft mode on Exynos4210 and Exynos5440 Guenter Roeck <linux@roeck-us.net> - 2017-03-12 22:00 +0100
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