On Sun, Nov 17, 2024 at 05:53:51PM +0900, Nobuhiro Iwamatsu wrote: > Hi Dinh, > > Please check and apply this patch? > > Thanks, > Nobuhiro > > 2024年10月4日(金) 15:16 Nobuhiro Iwamatsu <iwamatsu@xxxxxxxxxxx>: > > > > From: Nobuhiro Iwamatsu <iwamatsu@xxxxxxxxxxx> > > > > On SoCFPGA/Sodia board, mdio bus cannot be probed, so the PHY cannot be > > found and the network device does not work. > > > > ``` > > stmmaceth ff702000.ethernet eth0: __stmmac_open: Cannot attach to PHY (error: -19) > > ``` > > > > To probe the mdio bus, add "snps,dwmac-mdio" as compatible string of the > > mdio bus. Also the PHY ID connected to this board is 4. Therefore, change > > to 4. It is the address which is 4, not the ID. Andrew