Re: [PATCH spi for-5.4 0/5] Deterministic SPI latency with NXP DSPI driver

On Thu, Aug 22, 2019 at 05:58:49PM +0300, Vladimir Oltean wrote:

If you mean the latter, then yes, having HWTSTAMP_FILTER_ALL in the
rx_filter of the DSA master is a hard requirement.

And to clear, the marvell only recognizes PTP frames.  That means that
DSA frames cannot be time stamped.

Thanks,
Richard