tree: https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git ath11k-qca6390-bringup head: 646898f8c82ec41059a45f84707f2229c2a5060c commit: 5c8400135822149588335dfc5812378409c627a9 [30/79] ath11k: Add board-2.bin support for QCA6x90 target config: x86_64-allyesconfig (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 1d4c87335d5236ea1f35937e1014980ba961ae34) 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 x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu git checkout 5c8400135822149588335dfc5812378409c627a9 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): ab->qmi.target_mem[idx].vaddr = ab->hw_params.bdf_addr; ^ ~~~~~~~~~~~~~~~~~~~~~~ & 1 warning generated. vim +1734 drivers/net/wireless/ath/ath11k/qmi.c 5c840013582214 Govind Singh 2020-06-05 1725 5c840013582214 Govind Singh 2020-06-05 1726 static int ath11k_qmi_assign_target_mem_chunk(struct ath11k_base *ab) d5c65159f28953 Kalle Valo 2019-11-23 1727 { d5c65159f28953 Kalle Valo 2019-11-23 1728 int i, idx; d5c65159f28953 Kalle Valo 2019-11-23 1729 d5c65159f28953 Kalle Valo 2019-11-23 1730 for (i = 0, idx = 0; i < ab->qmi.mem_seg_count; i++) { d5c65159f28953 Kalle Valo 2019-11-23 1731 switch (ab->qmi.target_mem[i].type) { d5c65159f28953 Kalle Valo 2019-11-23 1732 case BDF_MEM_REGION_TYPE: 3b94ae4c62db0b Anilkumar Kolli 2020-06-16 1733 ab->qmi.target_mem[idx].paddr = ab->hw_params.bdf_addr; 3b94ae4c62db0b Anilkumar Kolli 2020-06-16 @1734 ab->qmi.target_mem[idx].vaddr = ab->hw_params.bdf_addr; d5c65159f28953 Kalle Valo 2019-11-23 1735 ab->qmi.target_mem[idx].size = ab->qmi.target_mem[i].size; d5c65159f28953 Kalle Valo 2019-11-23 1736 ab->qmi.target_mem[idx].type = ab->qmi.target_mem[i].type; d5c65159f28953 Kalle Valo 2019-11-23 1737 idx++; d5c65159f28953 Kalle Valo 2019-11-23 1738 break; d5c65159f28953 Kalle Valo 2019-11-23 1739 case CALDB_MEM_REGION_TYPE: d5c65159f28953 Kalle Valo 2019-11-23 1740 if (ab->qmi.target_mem[i].size > ATH11K_QMI_CALDB_SIZE) { d5c65159f28953 Kalle Valo 2019-11-23 1741 ath11k_warn(ab, "qmi mem size is low to load caldata\n"); d5c65159f28953 Kalle Valo 2019-11-23 1742 return -EINVAL; d5c65159f28953 Kalle Valo 2019-11-23 1743 } d5c65159f28953 Kalle Valo 2019-11-23 1744 /* TODO ath11k does not support cold boot calibration */ d5c65159f28953 Kalle Valo 2019-11-23 1745 ab->qmi.target_mem[idx].paddr = 0; 5c840013582214 Govind Singh 2020-06-05 1746 ab->qmi.target_mem[idx].vaddr = NULL; d5c65159f28953 Kalle Valo 2019-11-23 1747 ab->qmi.target_mem[idx].size = ab->qmi.target_mem[i].size; d5c65159f28953 Kalle Valo 2019-11-23 1748 ab->qmi.target_mem[idx].type = ab->qmi.target_mem[i].type; d5c65159f28953 Kalle Valo 2019-11-23 1749 idx++; d5c65159f28953 Kalle Valo 2019-11-23 1750 break; d5c65159f28953 Kalle Valo 2019-11-23 1751 default: d5c65159f28953 Kalle Valo 2019-11-23 1752 ath11k_warn(ab, "qmi ignore invalid mem req type %d\n", d5c65159f28953 Kalle Valo 2019-11-23 1753 ab->qmi.target_mem[i].type); d5c65159f28953 Kalle Valo 2019-11-23 1754 break; d5c65159f28953 Kalle Valo 2019-11-23 1755 } d5c65159f28953 Kalle Valo 2019-11-23 1756 } d5c65159f28953 Kalle Valo 2019-11-23 1757 ab->qmi.mem_seg_count = idx; d5c65159f28953 Kalle Valo 2019-11-23 1758 d5c65159f28953 Kalle Valo 2019-11-23 1759 return 0; d5c65159f28953 Kalle Valo 2019-11-23 1760 } d5c65159f28953 Kalle Valo 2019-11-23 1761 :::::: The code at line 1734 was first introduced by commit :::::: 3b94ae4c62db0b158404073a039eb8fd0b00b75f ath11k: Add bdf-addr in hw_params :::::: TO: Anilkumar Kolli <akolli(a)codeaurora.org&gt; :::::: CC: Kalle Valo <kvalo(a)codeaurora.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org