As kernel v5.6 have a solution since so we will be able to enable the watchdog at boot time. It is reloaded by the watchdog framework (if CONFIG_WATCHDOG_HANDLE_BOOT_ENABLED is set) and until the userspace watchdog daemon takes over control.
Need presence of kernel patch 85fdc63fe256 ("drivers: watchdog: stm32_iwdg: set WDOG_HW_RUNNING at probe") integrated in v5.6-rc1.
This patch revert the previous commit ca351e705a5c ("stm32mp1: deactivate WATCHDOG in defconfig").
Signed-off-by: Patrick Delaunay patrick.delaunay@st.com ---
configs/stm32mp15_basic_defconfig | 2 ++ configs/stm32mp15_trusted_defconfig | 2 ++ 2 files changed, 4 insertions(+)
diff --git a/configs/stm32mp15_basic_defconfig b/configs/stm32mp15_basic_defconfig index c7dd2926c9..a3b6c381d2 100644 --- a/configs/stm32mp15_basic_defconfig +++ b/configs/stm32mp15_basic_defconfig @@ -140,5 +140,7 @@ CONFIG_VIDEO_STM32=y CONFIG_VIDEO_STM32_DSI=y CONFIG_VIDEO_STM32_MAX_XRES=1280 CONFIG_VIDEO_STM32_MAX_YRES=800 +CONFIG_WDT=y +CONFIG_WDT_STM32MP=y CONFIG_ERRNO_STR=y CONFIG_FDT_FIXUP_PARTITIONS=y diff --git a/configs/stm32mp15_trusted_defconfig b/configs/stm32mp15_trusted_defconfig index ca4a10813b..cf5ad916e7 100644 --- a/configs/stm32mp15_trusted_defconfig +++ b/configs/stm32mp15_trusted_defconfig @@ -127,5 +127,7 @@ CONFIG_VIDEO_STM32=y CONFIG_VIDEO_STM32_DSI=y CONFIG_VIDEO_STM32_MAX_XRES=1280 CONFIG_VIDEO_STM32_MAX_YRES=800 +CONFIG_WDT=y +CONFIG_WDT_STM32MP=y CONFIG_ERRNO_STR=y CONFIG_FDT_FIXUP_PARTITIONS=y