| Message ID | 20260506-t113-mangopi-reboot-hang-v3-1-fa15a360a520@mmpsystems.pl (mailing list archive) |
|---|---|
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charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260506-t113-mangopi-reboot-hang-v3-1-fa15a360a520@mmpsystems.pl> X-B4-Tracking: v=1; b=H4sIAIYU+2kC/43NQQ7CIBAF0Ks0rMXA0FbrynsYF5QOlkQKAUJsm t5d2pVxYVz+mT9vFhIxGIzkUi0kYDbRuKkEcaiIGuX0QGqGkgkwaFnNgSbOBbVl47yhAXvnEt2 KVHWyG1CfAaEn5dwH1Oa107d7yaOJyYV5/5T5Nv0DzZxy2jAGSssWmVJXa32cY0Ibj/5JNjjDB wbNDwwKpgdRC2AnWff4ja3r+gYyYodzEQEAAA== X-Change-ID: 20260412-t113-mangopi-reboot-hang-c9a9def82e2b To: Rob Herring <robh@kernel.org>, Krzysztof Kozlowski <krzk+dt@kernel.org>, Conor Dooley <conor+dt@kernel.org>, Chen-Yu Tsai <wens@kernel.org>, Jernej Skrabec <jernej.skrabec@gmail.com>, Samuel Holland <samuel@sholland.org> Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, Michal Piekos <michal.piekos@mmpsystems.pl> X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1778062495; l=1217; i=michal.piekos@mmpsystems.pl; s=20260301; h=from:subject:message-id; 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| Series |
[v3] arm: dts: allwinner: t113s: enable watchdog for reboot
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Commit Message
Michal Piekos
May 6, 2026, 10:14 a.m. UTC
Reboot hangs on T113s boards because no restart handler is
available.
Enable the SoC watchdog whose driver registers a restart handler.
Tested on LCPI-PC-T113/F113.
Signed-off-by: Michal Piekos <michal.piekos@mmpsystems.pl>
---
Changes in v3:
- Fix referencing the node
- Link to v2: https://lore.kernel.org/r/20260425-t113-mangopi-reboot-hang-v2-1-fd343207a4be@mmpsystems.pl
Changes in v2:
- Moved watchdog enablement to SoC level dts following Jernej's
suggestion
- Link to v1: https://lore.kernel.org/r/20260412-t113-mangopi-reboot-hang-v1-1-5002cfa6e0cc@mmpsystems.pl
---
arch/arm/boot/dts/allwinner/sun8i-t113s.dtsi | 4 ++++
1 file changed, 4 insertions(+)
---
base-commit: 74fe02ce122a6103f207d29fafc8b3a53de6abaf
change-id: 20260412-t113-mangopi-reboot-hang-c9a9def82e2b
Best regards,
--
Michal Piekos <michal.piekos@mmpsystems.pl>
Comments
On Wed, 06 May 2026 12:14:31 +0200, Michal Piekos wrote: > Reboot hangs on T113s boards because no restart handler is > available. > > Enable the SoC watchdog whose driver registers a restart handler. > > Tested on LCPI-PC-T113/F113. > > [...] Applied to sunxi/dt-for-7.2 in local tree, thanks! [1/1] arm: dts: allwinner: t113s: enable watchdog for reboot commit: c6895beaf5eab889ebdaffeb6210ad1111f3e72e Best regards,
diff --git a/arch/arm/boot/dts/allwinner/sun8i-t113s.dtsi b/arch/arm/boot/dts/allwinner/sun8i-t113s.dtsi index 424f4a2487e2..3ca0897353be 100644 --- a/arch/arm/boot/dts/allwinner/sun8i-t113s.dtsi +++ b/arch/arm/boot/dts/allwinner/sun8i-t113s.dtsi @@ -90,3 +90,7 @@ cpu-crit { }; }; }; + +&wdt { + status = "okay"; +};