On 05/04/2018 06:56 AM, Antoine Tenart wrote: > SFP connectors can be solder on a board without having any of their pins > (LOS, i2c...) wired. In such cases the SFP link state cannot be guessed, > and the overall link status reporting is left to other layers. > > In order to achieve this, a new SFP_DEV status is added, named UNKNOWN. > This mode is set when it is not possible for the SFP code to get the > link status and as a result the link status is reported to be always UP > from the SFP point of view.
Why represent the SFP in Device Tree then? Why not just declare this is a fixed link which would avoid having to introduce this "unknown" state. -- Florian