[yocto] Generic watchdog question

[Gary Thomas]

On 2016-09-26 09:48, Khem Raj wrote:
> 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.

Nothing (it's empty)

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Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
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