On Sun, Oct 09, 2022 at 09:12:25PM +0200, Pali Rohár wrote:

> Hello! Watchdog code seems to be broken in u-boot master branch.
> On Nokia N900 I'm getting following message in qemu:
> 
> cyclic function rx51_watchdog took too long: 10000us vs 1000us max, disabling
> 
> Seems that watchdog core code is not prepared for "slower" watchdogs
> which communicate over slower i2c bus, like it is the case for N900.
> 
> Disabling slower watchdog is a bad idea as it would result in reboot
> loop instead of slower - but working code.

Adding the watchdog custodian. Have you bisected this behavior yet?
Thanks.

-- 
Tom