Hi Bhupesh, I love your patch! Yet something to improve: [auto build test ERROR on usb/usb-testing] [also build test ERROR on usb/usb-next usb/usb-linus robh/for-next westeri-thunderbolt/next linus/master v6.2-rc1 next-20221226] [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/Bhupesh-Sharma/dt-bindings-soc-qcom-eud-Add-SM6115-SM4250-binding/20221231-211214 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing patch link: https://lore.kernel.org/r/20221231130743.3285664-3-bhupesh.sharma%40linaro.org patch subject: [PATCH 2/2] usb: misc: eud: Add driver support for SM6115 / SM4250 config: arc-randconfig-r043-20230101 compiler: arceb-elf-gcc (GCC) 12.1.0 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://github.com/intel-lab-lkp/linux/commit/b5caddbdc606744113a894749b7457e5b2621678 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Bhupesh-Sharma/dt-bindings-soc-qcom-eud-Add-SM6115-SM4250-binding/20221231-211214 git checkout b5caddbdc606744113a894749b7457e5b2621678 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arc olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All errors (new ones prefixed by >>, old ones prefixed by <<): >> ERROR: modpost: "qcom_scm_io_writel" [drivers/usb/misc/qcom_eud.ko] undefined! -- 0-DAY CI Kernel Test Service https://01.org/lkp