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Fri, 17 Apr 2026 22:29:42 -0700 (PDT) Received: from jernej-laptop.localnet ([188.159.248.16]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-488fb75ab25sm33521165e9.11.2026.04.17.22.29.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Apr 2026 22:29:41 -0700 (PDT) From: Jernej =?UTF-8?B?xaBrcmFiZWM=?= To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Samuel Holland , Michal Piekos Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, Michal Piekos Subject: Re: [PATCH] arm: dts: allwinner: t113s mangopi: enable watchdog for reboot Date: Fri, 17 Apr 2026 20:19:20 +0200 Message-ID: <2825865.mvXUDI8C0e@jernej-laptop> In-Reply-To: <20260412-t113-mangopi-reboot-hang-v1-1-5002cfa6e0cc@mmpsystems.pl> References: <20260412-t113-mangopi-reboot-hang-v1-1-5002cfa6e0cc@mmpsystems.pl> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260417_222944_851164_4527411A X-CRM114-Status: GOOD ( 12.65 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi, Dne nedelja, 12. april 2026 ob 19:42:10 Srednjeevropski poletni =C4=8Das je= Michal Piekos napisal(a): > Reboot hangs on MangoPi MQ-R T113s because no restart handler is > available. >=20 > Enable the SoC watchdog whose driver registers a restart handler. >=20 > Tested on MangoPi MQ-R T113s. >=20 > Signed-off-by: Michal Piekos > --- > arch/arm/boot/dts/allwinner/sun8i-t113s-mangopi-mq-r-t113.dts | 4 ++++ > 1 file changed, 4 insertions(+) >=20 > diff --git a/arch/arm/boot/dts/allwinner/sun8i-t113s-mangopi-mq-r-t113.dt= s b/arch/arm/boot/dts/allwinner/sun8i-t113s-mangopi-mq-r-t113.dts > index 8b3a75383816..f0232a5e903b 100644 > --- a/arch/arm/boot/dts/allwinner/sun8i-t113s-mangopi-mq-r-t113.dts > +++ b/arch/arm/boot/dts/allwinner/sun8i-t113s-mangopi-mq-r-t113.dts > @@ -33,3 +33,7 @@ rtl8189ftv: wifi@1 { > interrupt-names =3D "host-wake"; > }; > }; > + > +&wdt { > + status =3D "okay"; > +}; Move this to sun8i-t113s.dtsi. All t113 boards have the same issue. Watchdog should be always enabled on ARM. Best regards, Jernej