Hi Liu, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on wsa/i2c/for-next] [also build test WARNING on v5.10-rc2 next-20201102] [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/Liu-Shixin/i2c-mlxbf-Fix-build-error-with-CONFIG_ACPI-disabled/20201102-194848 base: https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git i2c/for-next config: arm64-randconfig-r002-20201102 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project cc91554ebb66e8c9a4b8c67ca2f1343eaac10cf6) 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 # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://github.com/0day-ci/linux/commit/296e051e7e4a229ffefca237fd399a08c9ace3c4 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Liu-Shixin/i2c-mlxbf-Fix-build-error-with-CONFIG_ACPI-disabled/20201102-194848 git checkout 296e051e7e4a229ffefca237fd399a08c9ace3c4 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/i2c/busses/i2c-mlxbf.c:2267:36: warning: unused variable 'mlxbf_i2c_acpi_ids' [-Wunused-const-variable] static const struct acpi_device_id mlxbf_i2c_acpi_ids[] = { ^ 1 warning generated. vim +/mlxbf_i2c_acpi_ids +2267 drivers/i2c/busses/i2c-mlxbf.c b5b5b32081cd206 Khalil Blaiech 2020-09-22 2266 b5b5b32081cd206 Khalil Blaiech 2020-09-22 @2267 static const struct acpi_device_id mlxbf_i2c_acpi_ids[] = { b5b5b32081cd206 Khalil Blaiech 2020-09-22 2268 { "MLNXBF03", (kernel_ulong_t)&mlxbf_i2c_chip[MLXBF_I2C_CHIP_TYPE_1] }, b5b5b32081cd206 Khalil Blaiech 2020-09-22 2269 { "MLNXBF23", (kernel_ulong_t)&mlxbf_i2c_chip[MLXBF_I2C_CHIP_TYPE_2] }, b5b5b32081cd206 Khalil Blaiech 2020-09-22 2270 {}, b5b5b32081cd206 Khalil Blaiech 2020-09-22 2271 }; b5b5b32081cd206 Khalil Blaiech 2020-09-22 2272 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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