On 10/12/26 10:50, Patrice CHOTARD wrote:
>
>
> On 10/9/26 14:32, Antonio Borneo wrote:
>> From: Patrick Delaunay <[email protected]>
>>
>> STM32MP15 does not support the IWDG_SR.ONF bit.
>>
>> Use IWDG_SR.RVU to detect whether the watchdog is running. This bit is
>> set while the reload value update is in progress and cleared when the
>> update completes, but only if the watchdog is running.
>>
>> Wait until IWDG_SR.RVU is 0. If polling times out, treat the watchdog
>> as stopped and do not register it in U-Boot.
>>
>> Fixes: 4bef031d6991 ("watchdog: stm32mp: check the watchdog status")
>> Signed-off-by: Patrick Delaunay <[email protected]>
>> Signed-off-by: Antonio Borneo <[email protected]>
>> ---
>> drivers/watchdog/stm32mp_wdt.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/watchdog/stm32mp_wdt.c b/drivers/watchdog/stm32mp_wdt.c
>> index 0712524b4a8..ecb4117b1ef 100644
>> --- a/drivers/watchdog/stm32mp_wdt.c
>> +++ b/drivers/watchdog/stm32mp_wdt.c
>> @@ -140,7 +140,7 @@ static int stm32mp_wdt_probe(struct udevice *dev)
>> writel(KR_KEY_EWA, priv->base + IWDG_KR);
>> rlr = readl(priv->base + IWDG_RLR);
>> writel(rlr, priv->base + IWDG_RLR);
>> - ret = readl_poll_timeout(priv->base + IWDG_SR, sr, sr & SR_RVU,
>> + ret = readl_poll_timeout(priv->base + IWDG_SR, sr, !(sr &
>> SR_RVU),
>> TIMEOUT_US);
>> if (!ret)
>> wdt_set_force_autostart(dev);
>>
>> base-commit: ece349ade2973e220f524ce59e59711cc919263f
>
>
> Hi Antonio
>
> Reviewed-by: Patrice Chotard <[email protected]>
>
> Thanks
> Patrice
Hi Antonio
Applied to u-boot-stm32/main
Thanks
