tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 454c576c3f5e51d60f00a4ac0dde07f4f9d70e9d commit: 2fc989f74b8dac8a560b7c5e384c4f02b5cfd4b2 [8183/9190] drivers: phy: add support for Armada CP110 UTMI PHY config: microblaze-randconfig-r006-20210402 (attached as .config) compiler: microblaze-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=2fc989f74b8dac8a560b7c5e384c4f02b5cfd4b2 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 2fc989f74b8dac8a560b7c5e384c4f02b5cfd4b2 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=microblaze If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): microblaze-linux-ld: drivers/phy/marvell/phy-mvebu-cp110-utmi.o: in function `mvebu_cp110_utmi_phy_probe': >> (.text+0x230): undefined reference to `of_usb_get_dr_mode_by_phy' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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