> We would need a tri-state device tree properly:
>
> 1. Not defined - do nothing
> 2. Defined as 0 -> explicitly disable port mirroring
> 3. Defined as 1 -> explicitly enable port mirriring
>
> The "net-phy-lane-swap" only fulfills points 1 and 3 above.
>
> In my use case I do need point 2.
Looking at the datasheet, PORT_MIRROR_EN defaults to 0. So it seems
reasonable to unconditionally set it to 0 when the PHY driver
loads. Any device which needs a value of 1 can set "net-phy-lane-swap"
Andrew
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