On 05/26/2017 04:52 PM, woojung....@microchip.com wrote: > Hi Florian, > >>> I knew that it is applied to net-next. >>> However, sysfs_create_link() fails when fixed phy >> (drivers/net/phy/fixed_phy.c) >>> Do you have a chance to test with it? >> >> I did, my main test system (BCM7445 w/ bcm_sf2) has one normal PHY >> driver and 3 fixed PHYs (including one for the CPU port/master netdev), >> see below. >> >> What kind of error do you get here? > sysfs_create_link() returns -2 (-ENOENT). > >> >> # ls -l /sys/class/net/gphy/phydev >> lrwxrwxrwx 1 root root 0 Jan 1 00:00 >> /sys/class/net/gphy/phydev -> >> ../../../f0b403c0.mdio/mdio_bus/f0b403c0.mdio/f0b403c0.mdio:05 >> # ls -l /sys/class/net/*/phydev >> lrwxrwxrwx 1 root root 0 Jan 1 00:01 >> /sys/class/net/eth0/phydev -> ../../../../Fixed MDIO >> bus.0/mdio_bus/fixed-0/fixed-0:00 >> lrwxrwxrwx 1 root root 0 Jan 1 00:00 >> /sys/class/net/gphy/phydev -> >> ../../../f0b403c0.mdio/mdio_bus/f0b403c0.mdio/f0b403c0.mdio:05 >> lrwxrwxrwx 1 root root 0 Jan 1 00:01 >> /sys/class/net/moca/phydev -> ../../../../../Fixed MDIO >> bus.0/mdio_bus/fixed-0/fixed-0:02 >> lrwxrwxrwx 1 root root 0 Jan 1 00:01 >> /sys/class/net/rgmii_1/phydev -> ../../../mdio_bus/sf2-1/sf2-1:00 >> lrwxrwxrwx 1 root root 0 Jan 1 00:01 >> /sys/class/net/rgmii_2/phydev -> ../../../../../Fixed MDIO >> bus.0/mdio_bus/fixed-0/fixed-0:01 >> >> # ls -l /sys/class/mdio_bus/fixed-0/*/attached_dev >> lrwxrwxrwx 1 root root 0 Jan 1 00:01 >> /sys/class/mdio_bus/fixed-0/fixed-0:00/attached_dev -> >> ../../../../rdb/f04a0000.ethernet/net/eth0 >> lrwxrwxrwx 1 root root 0 Jan 1 00:02 >> /sys/class/mdio_bus/fixed-0/fixed-0:01/attached_dev -> >> ../../../../rdb/rdb:switch_top@f0b00000/f0b00000.ethernet_switch/net/rgm >> ii_2 >> lrwxrwxrwx 1 root root 0 Jan 1 00:02 >> /sys/class/mdio_bus/fixed-0/fixed-0:02/attached_dev -> >> ../../../../rdb/rdb:switch_top@f0b00000/f0b00000.ethernet_switch/net/moc >> a >> >> # ls -l /sys/class/mdio_bus/f0b403c0.mdio/f0b403c0.mdio\:05/attached_dev >> lrwxrwxrwx 1 root root 0 Jan 1 00:02 >> /sys/class/mdio_bus/f0b403c0.mdio/f0b403c0.mdio:05/attached_dev -> >> ../../../../f0b00000.ethernet_switch/net/gphy > > /sys/class/mdio_bus/devices/fixed-0:00/* exists. > But not /sys/class/net/eth0.. because Ethernet driver initialization failed.
OK, I am confused now. You are describing what is going on with your platform right? Can you describe a bit further here what is happening and with which type of interface? Is this with the CPU interface or something? -- Florian
