> 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
