Thanks a lot for the .config file. I also tested it, with mdio-bus.o in the Makefile, glad to got that there is no problem of that, although I don't know the reason/trick yet.
On Wed, Jan 06, 2021 at 04:13:56PM -0800, Florian Fainelli wrote: > The change was done on purpose, and your patch does not build with the > attached .config which only enables CONFIG_MDIO_DEVICE but not > CONFIG_PHYLIB, it causes the following linking failure: > > MODPOST Module.symvers > ERROR: modpost: "mdio_device_free" [drivers/net/phy/mdio_bus.ko] undefined! > ERROR: modpost: "mdio_device_reset" [drivers/net/phy/mdio_bus.ko] undefined! > ERROR: modpost: "mdio_device_create" [drivers/net/phy/mdio_bus.ko] > undefined! > ERROR: modpost: "mdio_device_register" [drivers/net/phy/mdio_bus.ko] > undefined! > ERROR: modpost: "mdio_device_bus_match" [drivers/net/phy/mdio_bus.ko] > undefined! > make[1]: *** [scripts/Makefile.modpost:111: Module.symvers] Error 1 > make[1]: *** Deleting file 'Module.symvers' > make: *** [Makefile:1396: modules] Error 2 > zsh: exit 2 make modules -j33 > > if you look at the build products you will that mdio_bus.c actually gets > built into mdio-bus.o: > > ls drivers/net/phy/mdio-bus.* > drivers/net/phy/mdio-bus.ko drivers/net/phy/mdio-bus.mod.c > drivers/net/phy/mdio-bus.o > drivers/net/phy/mdio-bus.mod drivers/net/phy/mdio-bus.mod.o > > -- > Florian
