Hi "André, I love your patch! Yet something to improve: [auto build test ERROR on broonie-spi/for-next] [also build test ERROR on v5.17-rc3 next-20220211] [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/Andr-Almeida/spi-amd-Add-support-for-new-controller-version/20220211-223438 base: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git for-next config: hexagon-randconfig-r045-20220211 (https://download.01.org/0day-ci/archive/20220212/202202120539.KmgOSqRV-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project f6685f774697c85d6a352dcea013f46a99f9fe31) 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/0day-ci/linux/commit/f9ba9fa1166540cf4dbf3ffbddb96b55699479b5 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Andr-Almeida/spi-amd-Add-support-for-new-controller-version/20220211-223438 git checkout f9ba9fa1166540cf4dbf3ffbddb96b55699479b5 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/spi/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> drivers/spi/spi-amd.c:333:23: error: use of undeclared identifier 'spi_acpi_match' .acpi_match_table = spi_acpi_match, ^ 1 error generated. vim +/spi_acpi_match +333 drivers/spi/spi-amd.c 329 330 static struct platform_driver amd_spi_driver = { 331 .driver = { 332 .name = "amd_spi", > 333 .acpi_match_table = spi_acpi_match, 334 }, 335 .probe = amd_spi_probe, 336 }; 337 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx