Hi Joseph, Thank you for the patch! Yet something to improve: [auto build test ERROR on bluetooth-next/master] [also build test ERROR on next-20220121] [cannot apply to net-next/master net/master bluetooth/master v5.16] [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/Joseph-Hwang/Bluetooth-aosp-surf... base: https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git master config: x86_64-rhel-8.3 (https://download.01.org/0day-ci/archive/20220122/202201221555.iq4k2aDR-lk...) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/9484eb7f87f7c8759b6fd7eec9d431c37... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Joseph-Hwang/Bluetooth-aosp-surface-AOSP-quality-report-through-mgmt/20220121-192436 git checkout 9484eb7f87f7c8759b6fd7eec9d431c375b97432 # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from drivers/bluetooth/hci_ldisc.c:34: 317 | { | ^ drivers/bluetooth/btintel.h:316:20: warning: 'btintel_pull_quality_report_data' declared 'static' but never defined [-Wunused-function] 316 | static inline bool btintel_pull_quality_report_data(struct sk_buff *skb); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +317 drivers/bluetooth/btintel.h 315 316 static inline bool btintel_pull_quality_report_data(struct sk_buff *skb); --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org