Re: [PATCH v9 0/5] Add support to read the watchdog bootstatus from IMEM

[Kathiravan Thirumoorthy]

On 2/28/2026 5:58 PM, Kathiravan Thirumoorthy wrote:
> In Qualcomm IPQ SoCs, if the system is rebooted due to the watchdog
> timeout, there is no way to identify it. Current approach of checking
> the EXPIRED_STATUS in WDT_STS is not working.
>
> To achieve this, if the system is rebooted due to watchdog timeout, the
> information is captured in the IMEM by the bootloader (along with other
> reason codes as well).
>
> This series attempts to address this by adding the support to read the
> IMEM and populate the information via bootstatus sysfs file.
>
> With the CONFIG_WATCHDOG_SYSFS enabled, user can extract the information
> as below:
>
> cat
> /sys/devices/platform/soc@0/f410000.watchdog/watchdog/watchdog0/bootstatus
> 32
>
> Signed-off-by: Kathiravan Thirumoorthy <kathiravan.thirumoorthy@xxxxxxxxxxxxxxxx>

Gentle Reminder on this series. If there are no further comments, can this be picked up for v7.1?