Hi Łukasz, kernel test robot noticed the following build warnings: [auto build test WARNING on usb/usb-testing] [also build test WARNING on usb/usb-next usb/usb-linus lee-mfd/for-mfd-next driver-core/driver-core-testing driver-core/driver-core-next driver-core/driver-core-linus linus/master v6.11-rc7 next-20240910] [cannot apply to lee-mfd/for-mfd-fixes] [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/ukasz-Bartosik/platform-chrome-Update-ChromeOS-EC-header-for-UCSI/20240910-182729 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing patch link: https://lore.kernel.org/r/20240910101527.603452-7-ukaszb%40chromium.org patch subject: [PATCH v6 6/8] usb: typec: cros_ec_ucsi: Add netlink config: x86_64-randconfig-121-20240911 (https://download.01.org/0day-ci/archive/20240911/202409112121.GHL72j84-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240911/202409112121.GHL72j84-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202409112121.GHL72j84-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/usb/typec/ucsi/cros_ec_ucsi_main.c:178:24: sparse: sparse: symbol 'cros_ucsi_ops' was not declared. Should it be static? vim +/cros_ucsi_ops +178 drivers/usb/typec/ucsi/cros_ec_ucsi_main.c ef8d61204d9db5 drivers/usb/typec/ucsi/cros_ec_ucsi.c Pavan Holla 2024-09-10 177 ef8d61204d9db5 drivers/usb/typec/ucsi/cros_ec_ucsi.c Pavan Holla 2024-09-10 @178 struct ucsi_operations cros_ucsi_ops = { ef8d61204d9db5 drivers/usb/typec/ucsi/cros_ec_ucsi.c Pavan Holla 2024-09-10 179 .read_version = cros_ucsi_read_version, ef8d61204d9db5 drivers/usb/typec/ucsi/cros_ec_ucsi.c Pavan Holla 2024-09-10 180 .read_cci = cros_ucsi_read_cci, ef8d61204d9db5 drivers/usb/typec/ucsi/cros_ec_ucsi.c Pavan Holla 2024-09-10 181 .read_message_in = cros_ucsi_read_message_in, ef8d61204d9db5 drivers/usb/typec/ucsi/cros_ec_ucsi.c Pavan Holla 2024-09-10 182 .async_control = cros_ucsi_async_control, ef8d61204d9db5 drivers/usb/typec/ucsi/cros_ec_ucsi.c Pavan Holla 2024-09-10 183 .sync_control = cros_ucsi_sync_control, ef8d61204d9db5 drivers/usb/typec/ucsi/cros_ec_ucsi.c Pavan Holla 2024-09-10 184 }; ef8d61204d9db5 drivers/usb/typec/ucsi/cros_ec_ucsi.c Pavan Holla 2024-09-10 185 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki