Hi Matthias, [FYI, it's a private test report for your RFC patch.] [auto build test WARNING on char-misc/char-misc-testing] [also build test WARNING on linus/master v6.1-rc2 next-20221026] [cannot apply to bluetooth/master bluetooth-next/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/Matthias-Schiffer/notify-device-for-cross-driver-readiness-notification/20221026-211730 patch link: https://lore.kernel.org/r/aec48a97736bf95c1caaaed0a6f23c07568639ce.1666786471.git.matthias.schiffer%40ew.tq-group.com patch subject: [RFC 4/5] bluetooth: hci_mrvl: add support for SD8987 config: i386-randconfig-s002 compiler: gcc-11 (Debian 11.3.0-8) 11.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.4-39-gce1a6720-dirty # https://github.com/intel-lab-lkp/linux/commit/579b105c4c5458b86a5a1313296a02b2ebfb0d67 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Matthias-Schiffer/notify-device-for-cross-driver-readiness-notification/20221026-211730 git checkout 579b105c4c5458b86a5a1313296a02b2ebfb0d67 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash drivers/bluetooth/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> drivers/bluetooth/hci_mrvl.c:47:38: warning: 'mrvl_driver_info_8987' defined but not used [-Wunused-const-variable=] 47 | static const struct mrvl_driver_info mrvl_driver_info_8987 = {}; | ^~~~~~~~~~~~~~~~~~~~~ vim +/mrvl_driver_info_8987 +47 drivers/bluetooth/hci_mrvl.c 46 > 47 static const struct mrvl_driver_info mrvl_driver_info_8987 = {}; 48 -- 0-DAY CI Kernel Test Service https://01.org/lkp