Re: [PATCH v2 13/13] net: phy: nxp-c45-tja11xx: reset PCS if the link goes down

[Andrew Lunn]

On Fri, Jun 23, 2023 at 10:41:23AM +0300, Radu Pirea (NXP OSS) wrote:
> During PTP testing on early TJA1120 engineering samples I observed that
> if the link is lost and recovered, the tx timestamps will be randomly
> lost. To avoid this HW issue, the PCS should be reseted.
> 
> Resetting the PCS will break the link and we should reset the PCS on
> LINK UP -> LINK DOWN transition, otherwise we will trigger and infinite
> loop of LINK UP -> LINK DOWN events.
> 
> Signed-off-by: Radu Pirea (NXP OSS) <radu-nicolae.pirea@xxxxxxxxxxx>

Reviewed-by: Andrew Lunn <andrew@xxxxxxx>

    Andrew