[PATCH net v2] net: stmmac: propagate PTP init failures in __stmmac_open() and stmmac_resume()

[Lorenzo Bianconi]

> On Mon, 07 Sep 2026 13:50:46 +0200 Lorenzo Bianconi wrote:
> > stmmac_setup_ptp() returns void and swallows both PTP setup errors:
> > the PTP reference clock enable and stmmac_init_timestamping()
> > failures are logged but never propagated. When they fail, the MAC
> > system time counter is left in its post-reset, non-running state,
> > while the driver keeps operating as if timestamping were up.
> > This matters for TAPRIO/EST qdisc offloading, which derives the EST
> > base time from the hardware timestamp counter: arming the gate list
> > against a non-advancing time base would leave the schedule permanently
> > stuck.
> 
> pw says this didn't apply at the time of posting

ack, posted v3.

Regards,
Lorenzo
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