Hi Stanley, kernel test robot noticed the following build errors: [auto build test ERROR on usb/usb-testing] [also build test ERROR on usb/usb-next usb/usb-linus robh/for-next linus/master v6.4-rc5 next-20230607] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Stanley-Chang/phy-realtek-usb-Add-driver-for-the-Realtek-SoC-USB-2-0-PHY/20230607-142704 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing patch link: https://lore.kernel.org/r/20230607062500.24669-3-stanley_chang%40realtek.com patch subject: [PATCH v3 3/5] phy: realtek: usb: Add driver for the Realtek SoC USB 3.0 PHY config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20230608/202306080940.5Lcjwfck-lkp@xxxxxxxxx/config) compiler: s390-linux-gcc (GCC) 12.3.0 reproduce (this is a W=1 build): mkdir -p ~/bin wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git remote add usb https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git git fetch usb usb-testing git checkout usb/usb-testing b4 shazam https://lore.kernel.org/r/20230607062500.24669-3-stanley_chang@xxxxxxxxxxx # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=s390 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202306080940.5Lcjwfck-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>, old ones prefixed by <<): ERROR: modpost: "usb_remove_phy" [drivers/phy/realtek/phy-rtk-usb2.ko] undefined! ERROR: modpost: "usb_debug_root" [drivers/phy/realtek/phy-rtk-usb2.ko] undefined! ERROR: modpost: "of_iomap" [drivers/phy/realtek/phy-rtk-usb2.ko] undefined! ERROR: modpost: "usb_add_phy_dev" [drivers/phy/realtek/phy-rtk-usb2.ko] undefined! >> ERROR: modpost: "usb_remove_phy" [drivers/phy/realtek/phy-rtk-usb3.ko] undefined! >> ERROR: modpost: "usb_debug_root" [drivers/phy/realtek/phy-rtk-usb3.ko] undefined! >> ERROR: modpost: "of_iomap" [drivers/phy/realtek/phy-rtk-usb3.ko] undefined! >> ERROR: modpost: "usb_add_phy_dev" [drivers/phy/realtek/phy-rtk-usb3.ko] undefined! ERROR: modpost: "devm_ioremap_resource" [drivers/dma/qcom/hdma.ko] undefined! ERROR: modpost: "devm_platform_ioremap_resource" [drivers/dma/fsl-edma.ko] undefined! WARNING: modpost: suppressed 26 unresolved symbol warnings because there were too many) Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for USB_PHY Depends on [n]: USB_SUPPORT [=n] Selected by [m]: - PHY_RTK_RTD_USB2PHY [=m] - PHY_RTK_RTD_USB3PHY [=m] -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
