Re: [PATCH net] net: ethernet: ti: cpts: fix ethtool output when no ptp_clock registered

[Jakub Kicinski]

On Thu, 24 Dec 2020 13:21:36 -0800 Richard Cochran wrote:
> On Thu, Dec 24, 2020 at 06:24:05PM +0200, Grygorii Strashko wrote:
> > The CPTS driver registers PTP PHC clock when first netif is going up and
> > unregister it when all netif are down. Now ethtool will show:
> >  - PTP PHC clock index 0 after boot until first netif is up;
> >  - the last assigned PTP PHC clock index even if PTP PHC clock is not
> > registered any more after all netifs are down.
> > 
> > This patch ensures that -1 is returned by ethtool when PTP PHC clock is not
> > registered any more.
> > 
> > Fixes: 8a2c9a5ab4b9 ("net: ethernet: ti: cpts: rework initialization/deinitialization")
> > Signed-off-by: Grygorii Strashko <grygorii.strashko@xxxxxx>  
> 
> Acked-by: Richard Cochran <richardcochran@xxxxxxxxx>

Applied, thank you!