Hi, Thank you for the patch! Yet something to improve: [auto build test ERROR on bluetooth/master] [also build test ERROR on bluetooth-next/master linus/master v6.0-rc6 next-20220921] [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/hildawu-realtek-com/Bluetooth-btusb-Add-Realtek-devcoredump-support/20220922-183533 base: https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth.git master config: hexagon-randconfig-r023-20220922 (https://download.01.org/0day-ci/archive/20220923/202209230749.lLf1xA67-lkp@xxxxxxxxx/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 791a7ae1ba3efd6bca96338e10ffde557ba83920) 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/intel-lab-lkp/linux/commit/b896c161a197fbcb019f6e4f890b667bb9d6f15e git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review hildawu-realtek-com/Bluetooth-btusb-Add-Realtek-devcoredump-support/20220922-183533 git checkout b896c161a197fbcb019f6e4f890b667bb9d6f15e # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/bluetooth/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> drivers/bluetooth/btrtl.c:657:8: error: call to undeclared function 'hci_devcoredump_register'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] err = hci_devcoredump_register(hdev, btrtl_coredump, btrtl_dmp_hdr, ^ 1 error generated. vim +/hci_devcoredump_register +657 drivers/bluetooth/btrtl.c 652 653 static int btrtl_register_devcoredump_support(struct hci_dev *hdev) 654 { 655 int err; 656 > 657 err = hci_devcoredump_register(hdev, btrtl_coredump, btrtl_dmp_hdr, 658 NULL); 659 660 return err; 661 } 662 -- 0-DAY CI Kernel Test Service https://01.org/lkp
