Hi Christian, Kernel build failed on tree: git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next.git for-davem head: ddbe503203855939946430e39bae58de11b70b69 commit: 16626b0cc3d5afe250850f96759b241f8a403b52 [30/99] asix: Add a new driver for the AX88172A config: powerpc-ps3_defconfig (attached as .config) The module references lots of NOT exported functions: ERROR: ".phy_disconnect" [drivers/net/usb/asix.ko] undefined! ERROR: ".genphy_resume" [drivers/net/usb/asix.ko] undefined! ERROR: ".mdiobus_register" [drivers/net/usb/asix.ko] undefined! ERROR: ".phy_stop" [drivers/net/usb/asix.ko] undefined! ERROR: ".phy_mii_ioctl" [drivers/net/usb/asix.ko] undefined! ERROR: ".mdiobus_alloc_size" [drivers/net/usb/asix.ko] undefined! ERROR: ".phy_print_status" [drivers/net/usb/asix.ko] undefined! ERROR: ".phy_connect" [drivers/net/usb/asix.ko] undefined! ERROR: ".mdiobus_unregister" [drivers/net/usb/asix.ko] undefined! ERROR: ".phy_start" [drivers/net/usb/asix.ko] undefined! ERROR: ".phy_ethtool_gset" [drivers/net/usb/asix.ko] undefined! ERROR: ".phy_ethtool_sset" [drivers/net/usb/asix.ko] undefined! ERROR: ".phy_start_aneg" [drivers/net/usb/asix.ko] undefined! ERROR: ".mdiobus_free" [drivers/net/usb/asix.ko] undefined! --- 0-DAY kernel build testing backend Open Source Technology Centre Fengguang Wu Intel Corporation