quoted

@@ -683,9 +683,17 @@ void __sock_tx_timestamp(__u16 tsflags, __u8 *tx_flags)
 {
      u8 flags = *tx_flags;

-     if (tsflags & SOF_TIMESTAMPING_TX_HARDWARE)
+     if (tsflags & SOF_TIMESTAMPING_TX_HARDWARE) {
              flags |= SKBTX_HW_TSTAMP;

+             /* PTP hardware clocks can provide a free running time called
+              * cycles as base for virtual clocks.

"PTP hardware clocks can provide a free running cycle counter as a
time base for virtual clocks."

I'll use your wording here. I'll also update other comments and commit messages
with this wording.

Thanks,
Gerhard