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SubjectRe: [PATCH net] net: ethernet: ti: cpts: fix ethtool output when no ptp_clock registered
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@ti.com>

Acked-by: Richard Cochran <richardcochran@gmail.com>

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