Re: [Linuxptp-users] Polling ptp clock not allowed?

[Keller, J. E <jac...@in...>]

Hi,

> -----Original Message-----
> From: frank [mailto:sou...@gm...]
> Sent: Wednesday, February 24, 2016 6:48 AM
> To: lin...@li...
> Subject: Re: [Linuxptp-users] Polling ptp clock not allowed?
> 
> Hi,
> 
> some updates

<snip>

> Finally a collegue used the patch below and the problem vanished(above
> test code did run a long time),
>  however it is unclear if the timestamps produced are still 'correct' and
> useful for ptp.
> The fix still looks surprising..
> 
> kind regards
>   Frank
> 

This is the work-around I was talking about below. I am surprised it is not in the 4.4 kernel?

This is a known hardware errata on some of the parts (I am not sure which ones) and it should have had the workaround pushed upstream. I am guessing your collegue got this from the out-of-tree driver on SourceForge?

Regards,
Jake