From nobody Fri Jun 19 09:11:47 2026 Received: from s106b.cyber-folks.pl (s106b.cyber-folks.pl [195.78.66.88]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7110D29CE9; Sat, 25 Apr 2026 08:20:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=195.78.66.88 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777105233; cv=none; b=ZcnL8hjfpfQ8JTAFj7gATy8lZY5xhxzctc5/kpv39P7c5+1PLDIvWyGW0DGZ2JaexRdzy37a+2wbv1mD5afdu8qegeWT37ovcLU1I2BitFZZyK1WT33nCY0ttOCqg5J2WXUwjEO5CAD/PpTr07lYNKuzDO8hnNsij/CEO1yM5uo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777105233; c=relaxed/simple; bh=6rULUYpY2mknKqA1TfHfaz2jSO4ja87Ku+5vnKG9jWI=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To:Cc; b=Kq+BAKtOB2CiGo+RIKpoXEoN0o/FrawclSphmM6fqeWO9b/UO2oK1HJowqanOOhEs/7729X2V/rld7AN8kRj9u3+atCz/oQc9C7sEATTCtiy0ffL5w3DOigf+eHv4InYfoAxLzuSk8RRNyRA6p4RYkphl/B6azrdogVWsTW9nU8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=mmpsystems.pl; spf=pass smtp.mailfrom=mmpsystems.pl; dkim=pass (2048-bit key) header.d=mmpsystems.pl header.i=@mmpsystems.pl header.b=xoJLqkkQ; arc=none smtp.client-ip=195.78.66.88 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=mmpsystems.pl Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mmpsystems.pl Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=mmpsystems.pl header.i=@mmpsystems.pl header.b="xoJLqkkQ" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mmpsystems.pl; s=x; h=Cc:To:Message-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:Subject:Date:From:Sender:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:In-Reply-To:References:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=77H82kI7dEYyg2WwlnQ3ymitG+32GA2zsOuxHnqBHNM=; b=xoJLqkkQjuw3W/n8FeUBsU77vL F88vRCLY/lCbMZiq869VVSqh8QGAqngnES81nsgPQpWHUCPIqn/OIq9cqAJf9eJ6h1HJ++EqKi0ud 9SMBhnHJnmSYjWfIoKi4qg/CV2GobjHzNRfDL24BTpT98FRkMvhTXAh1PzKkxwYNwub06sSJtqTdB M4DDi7jjRr4PxFzv6HJQ5q60URh1wmNR6Xo9T4wXedgps3P9sXdTbo/XsxeZ80OsLuPXzCpmTLvod Si9IpRf9vwiPIBOws6iboQEiYmElteeH5AM2yWxfEtqKZl3RoSgZGaq+fjPRfkYSw4CpifxVqH0aC Wo5u4wVw==; Received: from user-188-33-36-99.play-internet.pl ([188.33.36.99] helo=localhost) by s106.cyber-folks.pl with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1wGYFX-00000007jmm-0qEx; Sat, 25 Apr 2026 10:20:27 +0200 From: Michal Piekos Date: Sat, 25 Apr 2026 10:19:40 +0200 Subject: [PATCH v2] arm: dts: allwinner: t113s: enable watchdog for reboot Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260425-t113-mangopi-reboot-hang-v2-1-fd343207a4be@mmpsystems.pl> X-B4-Tracking: v=1; b=H4sIABt57GkC/42NSw6CMBCGr0Jm7Zh2VCKuvIdhAWWQJpY2nYZIS O9u4QQuv/+5gXC0LPCoNoi8WLF+LkCnCszUzW9GOxQGUlSrqyZMWl/QFccHi5F77xPuQTRN1ww 83omph1IPkUf7PaZfbeHJSvJxPZ4Wvat/jC4aNd6UIjN2NStjns4FWSWxk3P4QJtz/gHSh2fsx AAAAA== To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, Michal Piekos X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1777105189; l=1190; i=michal.piekos@mmpsystems.pl; s=20260301; h=from:subject:message-id; bh=6rULUYpY2mknKqA1TfHfaz2jSO4ja87Ku+5vnKG9jWI=; b=gFFthnoA2sVKwhTKhyPGfugGxsXISbKliHdFH1o+xU1MVWeBVxcu2MPV746gFWvtHprV6qACR wIFXFnYNdZlDWfNbj4RKdyHhwGSKf5kf2fFaEAXHmGMmawX8YxRyNfW X-Developer-Key: i=michal.piekos@mmpsystems.pl; a=ed25519; pk=Aixyx03If7ZDamiKKN0lsa+0mtA+WjIuIf2ZQVYNBqg= X-Authenticated-Id: michal.piekos@mmpsystems.pl Reboot hangs on T113s boards because no restart handler is available. Enable the SoC watchdog whose driver registers a restart handler. Tested on MangoPi MQ-R T113s. Signed-off-by: Michal Piekos --- 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-v= 1-1-5002cfa6e0cc@mmpsystems.pl --- arch/arm/boot/dts/allwinner/sun8i-t113s.dtsi | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm/boot/dts/allwinner/sun8i-t113s.dtsi b/arch/arm/boot/d= ts/allwinner/sun8i-t113s.dtsi index 424f4a2487e2..d3bbed84eedb 100644 --- a/arch/arm/boot/dts/allwinner/sun8i-t113s.dtsi +++ b/arch/arm/boot/dts/allwinner/sun8i-t113s.dtsi @@ -34,6 +34,12 @@ cpu1: cpu@1 { }; }; =20 + soc { + wdt { + status =3D "okay"; + }; + }; + gic: interrupt-controller@1c81000 { compatible =3D "arm,gic-400"; reg =3D <0x03021000 0x1000>, --- base-commit: 27d128c1cff64c3b8012cc56dd5a1391bb4f1821 change-id: 20260412-t113-mangopi-reboot-hang-c9a9def82e2b Best regards, --=20 Michal Piekos