Hello Guenter,

On Wednesday, February 22, 2017, Guenter Roeck wrote:

quoted

Looking through the drivers in the watchdog directly, I see default
timeouts of 20, 30, 60, and 120 seconds.

30 and 60 are pretty common for default timeouts, though I personally
think they are a bit long. If you want direct HW support, a maximum of 120
seconds should be sufficient though not really necessary anymore since the
core supports virtual timeouts. A maximum of at least 30 seconds would be
needed if the watchdog is supposed to run at boot time (ie if it is
enabled by ROMMON/BIOS and kept running by the kernel).

Thank you!
Good point about the boot time.

Chris

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