On Tue, 17 Dec 2019 at 12:36, Alexandru Marginean alexm.osslist@gmail.com wrote:
It wouldn't go through mdio_phy_connect, dm_eth_phy_connect would need to figure out if it's a fixed link or PHY and then call the proper function, like in your snippet. The MDIO NULL topic is a bit more complicated I think. Some of the Eth drivers just deal with fixed link internally and don't create a phy device at all. If there is a PHY device I think we need to have a MDIO bus for it, and we shouldn't piggy-back on real MDIO buses. I'm thinking we could have a dummy MDIO bus created automatically by ETH/MDIO uclass code for fixed link PHY devices.
Well, either one or the other, really. The dummy MDIO bus is not really needed, but on the other hand, if that's what it takes to make DM_MDIO support fixed-link with the least amount of special cases, then ok, fine with me.
Thoughts? Alex
Regards, -Vladimir