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Fri, 6 Nov 2026 17:34:36 +0100 From: Antonio Borneo To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Maxime Coquelin , Alexandre Torgue , Russell King , Wim Van Sebroeck , Guenter Roeck , , , , CC: Antonio Borneo , , =?UTF-8?q?Cl=C3=A9ment=20Le=20Goffic?= , Amelie Delaunay Subject: [PATCH v3 04/13] ARM: stm32: enable arm smc watchdog on stm32mp1xx Date: Fri, 6 Nov 2026 17:34:20 +0100 Message-ID: <20261106163429.618392-5-antonio.borneo@foss.st.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20261106163429.618392-1-antonio.borneo@foss.st.com> References: <20261106163429.618392-1-antonio.borneo@foss.st.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: STKCAS1NODE1.st.com (10.75.128.134) To STKDAG1NODE2.st.com (10.75.128.133) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MI3PEPF00008483:EE_|GV1PR10MB7572:EE_ X-MS-Office365-Filtering-Correlation-Id: 5b3bdb44-07d8-4c2b-bb59-08df3c23d8b8 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|23010399003|82310400026|376014|7416014|36860700016|921020|56012099006|11063799006|261009223027099003|261026121527099003|261102123227099003|261021135927099003|261021121427099003|18002099003|22082099003|10067099003; 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On boards that keep it secure, Linux must use the arm,smc-wdt driver to ping it. Enable the driver for mach-stm32 when ARCH_MULTI_V7 is enabled. Signed-off-by: Antonio Borneo --- arch/arm/mach-stm32/Kconfig | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/mach-stm32/Kconfig b/arch/arm/mach-stm32/Kconfig index 4ac3384e397aa..de09b2afa0f2e 100644 --- a/arch/arm/mach-stm32/Kconfig +++ b/arch/arm/mach-stm32/Kconfig @@ -13,6 +13,8 @@ menuconfig ARCH_STM32 select RESET_CONTROLLER select STM32_EXTI if ARM_SINGLE_ARMV7M select STM32_FIREWALL + select WATCHDOG if ARCH_MULTI_V7 + select ARM_SMC_WATCHDOG if ARCH_MULTI_V7 help Support for STMicroelectronics STM32MP1 processors using Cortex-A7 cores. Note that support for the earlier Cortex-M based variants -- 2.34.1