Hi Thomas, On 13 Oct 2020, at 08:35, Thomas Petazzoni <thomas.petazz...@bootlin.com> wrote: > I suspect you have the mvneta driver as a module ? If this is the case, > then indeed, the MAC address is lost because Linux turns of all unused > clocks at the end of the boot. When the driver is built-in, there is a > driver adding a reference to the clock before all unused clocks are > disabled. When the driver is compiled as a module, this does not > happen. So indeed, the correct solution here is to have U-Boot pass the > MAC address in the Device Tree.
Yes, you are right, the driver is compiled as module. This explains everything, thank you very much for the clarification. Have a nice day! Cheers, Ezra.