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dkim=none (message not signed) header.d=none;dmarc=fail action=none header.from=foss.st.com; Received-SPF: Fail (protection.outlook.com: domain of foss.st.com does not designate 164.130.1.60 as permitted sender) receiver=protection.outlook.com; client-ip=164.130.1.60; helo=smtpO365.st.com; Received: from smtpO365.st.com (164.130.1.60) by MI3PEPF0000847F.mail.protection.outlook.com (10.167.240.166) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.406.5 via Frontend Transport; Tue, 8 Sep 2026 08:52:56 +0000 Received: from STKDAG1NODE2.st.com (10.75.128.133) by smtpO365.st.com (10.250.44.72) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.43; Tue, 8 Sep 2026 10:58:21 +0200 Received: from [192.168.8.15] (10.48.86.45) by STKDAG1NODE2.st.com (10.75.128.133) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.43; Tue, 8 Sep 2026 10:52:54 +0200 Message-ID: <7b131dede6a53c2e7f775137a7a98b7902a8487b.camel@foss.st.com> Subject: Re: [Linux-stm32] [PATCH] arm64: dts: st: fix arm, smc-id of the SMC watchdog on stm32mp2 From: Antonio Borneo To: Mateusz Nowicki , , CC: , , , , , , Date: Tue, 8 Sep 2026 10:52:53 +0200 In-Reply-To: <20260907091400.55954-1-mateusz.nowicki@posteo.net> References: <20260907091400.55954-1-mateusz.nowicki@posteo.net> Content-Type: text/plain; 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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 On Mon, 2026-09-07 at 09:14 +0000, Mateusz Nowicki wrote: > OP-TEE implements the STM32MP2 watchdog SMC service with function ID > 0xbc000000 (CFG_WDT_SM_HANDLER_ID), not 0xb200005a. With the current > value the arm_smc_wdt probe fails with -EIO and the IWDG started by the > bootloader is never refreshed. >=20 > Fixes: 89fca38168c9 ("arm64: dts: st: add arm-wdt node for watchdog suppo= rt on stm32mp251") > Fixes: e9b03ef21386 ("arm64: dts: st: introduce stm32mp23 SoCs family") > Signed-off-by: Mateusz Nowicki Reviewed-by: Antonio Borneo Thanks, Antonio