[yocto] Generic watchdog question

[Khem Raj]

On Mon, Sep 26, 2016 at 12:37 AM, Gary Thomas <gary at mlbassoc.com> wrote:
> A little off-topic but driven by some recent changes in OE-core.
>
> My board has two watchdog devices - one on the SoC and the
> other is an external device.  With my latest kernel (4.1.15)
> I have these devices:
>
>   # ls -l /dev/watch*
>   crw------- 1 root root  10, 130 Jan  3  1970 /dev/watchdog
>   crw------- 1 root root 251,   0 Jan  3  1970 /dev/watchdog0
>   crw------- 1 root root 251,   1 Jan  3  1970 /dev/watchdog1
>
> I've only been able to get my watchdog to "feel happy" when I
> use /dev/watchdog1 as the device being watched over by the
> watchdog processes.  I'm just wondering what those other devices
> are - maybe /dev/watchdog is supposed to be a composite (although
> that doesn't seem to be the case)
>
> Can anyone explain how this is expected to work, especially in
> light of the recent changes to the watchdog recipes in OE-core?
>

could be that its a software warchdog what does

dmesg | grep -i watchdog

tell you.


> Thanks
>
> --
> ------------------------------------------------------------
> Gary Thomas                 |  Consulting for the
> MLB Associates              |    Embedded world
> ------------------------------------------------------------
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