Hi Takashi, I love your patch! Perhaps something to improve: [auto build test WARNING on dtor-input/next] [also build test WARNING on hid/for-next linux/master linus/master v5.17-rc2 next-20220204] [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] url: https://github.com/0day-ci/linux/commits/Takashi-Iwai/Wrongly-bound-Elantech-touchpad-on-Lenovo-Yoga-Slim-7/20220205-005753 base: https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git next config: x86_64-randconfig-a003-20220131 (https://download.01.org/0day-ci/archive/20220205/202202050657.m9Z8VsGr-lkp@xxxxxxxxx/config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/9f3fbdd527662d97eb0bece1005d96a0a1b0fac2 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Takashi-Iwai/Wrongly-bound-Elantech-touchpad-on-Lenovo-Yoga-Slim-7/20220205-005753 git checkout 9f3fbdd527662d97eb0bece1005d96a0a1b0fac2 # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>, old ones prefixed by <<): >> WARNING: modpost: vmlinux.o(.text+0x87e136): Section mismatch in reference from the function elan_probe() to the variable .init.rodata:elan_i2c_denylist The function elan_probe() references the variable __initconst elan_i2c_denylist. This is often because elan_probe lacks a __initconst annotation or the annotation of elan_i2c_denylist is wrong. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx