Hi Tim, kernel test robot noticed the following build warnings: [auto build test WARNING on bluetooth-next/master] [also build test WARNING on linus/master v6.4-rc2 next-20230516] [cannot apply to bluetooth/master] [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/Tim-Jiang/Bluetooth-hci_qca-Add-support-for-Qualcomm-Bluetooth-SoC-QCA2066/20230516-205113 base: https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git master patch link: https://lore.kernel.org/r/20230516104102.30775-1-quic_tjiang%40quicinc.com patch subject: [PATCH v3] Bluetooth: hci_qca: Add support for Qualcomm Bluetooth SoC QCA2066 config: x86_64-randconfig-r014-20230515 compiler: gcc-11 (Debian 11.3.0-12) 11.3.0 reproduce (this is a W=1 build): # https://github.com/intel-lab-lkp/linux/commit/5e4f945fc8ec4dd47f2bcfc12091a919738dd4fe git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Tim-Jiang/Bluetooth-hci_qca-Add-support-for-Qualcomm-Bluetooth-SoC-QCA2066/20230516-205113 git checkout 5e4f945fc8ec4dd47f2bcfc12091a919738dd4fe # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 olddefconfig make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/bluetooth/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Link: https://lore.kernel.org/oe-kbuild-all/202305170448.hwbeyKhR-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/bluetooth/hci_qca.c:1877:37: warning: 'qca_soc_data_qca2066' defined but not used [-Wunused-const-variable=] 1877 | static const struct qca_device_data qca_soc_data_qca2066 = { | ^~~~~~~~~~~~~~~~~~~~ vim +/qca_soc_data_qca2066 +1877 drivers/bluetooth/hci_qca.c 1876 > 1877 static const struct qca_device_data qca_soc_data_qca2066 = { 1878 .soc_type = QCA_QCA2066, 1879 .num_vregs = 0, 1880 }; 1881 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests