[PATCH net-next 0/3] ptp: add pulse signal loopback support for debugging

Wei Fang wei.fang at nxp.com
Thu Sep 4 11:55:43 AEST 2025


> On Wed, Sep 03, 2025 at 04:37:46PM +0800, Wei Fang wrote:
> > Some PTP devices support looping back the periodic pulse signal for
> > debugging,
> 
> What kinds of debugs can be resolved by this loopback feature?
> 
> It seems pointless to me...


Vladimir helped explain its purpose in the thread, do you still think
it is pointless? If so, then I can only add a custom debugfs interface
to the ptp_netc driver, at least this will be a better debugging feature
for the NETC Timer. :)



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