Hi Ondřej, kernel test robot noticed the following build warnings: [auto build test WARNING on jic23-iio/togreg] [also build test WARNING on robh/for-next linus/master v6.8-rc4 next-20240212] [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/Ond-ej-Jirman/dt-bindings-vendor-prefix-Add-prefix-for-Voltafield/20240212-045510 base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg patch link: https://lore.kernel.org/r/20240211205211.2890931-5-megi%40xff.cz patch subject: [PATCH 4/4] iio: magnetometer: add a driver for Voltafield AF8133J magnetometer :::::: branch date: 13 hours ago :::::: commit date: 13 hours ago config: openrisc-randconfig-r133-20240212 (https://download.01.org/0day-ci/archive/20240212/202402121800.Dk09l1F8-lkp@xxxxxxxxx/config) compiler: or1k-linux-gcc (GCC) 13.2.0 reproduce: (https://download.01.org/0day-ci/archive/20240212/202402121800.Dk09l1F8-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/r/202402121800.Dk09l1F8-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/iio/magnetometer/af8133j.c:492:25: sparse: sparse: symbol 'af8133j_pm_ops' was not declared. Should it be static? vim +/af8133j_pm_ops +492 drivers/iio/magnetometer/af8133j.c 5f47c80d82e489 Icenowy Zheng 2024-02-11 491 5f47c80d82e489 Icenowy Zheng 2024-02-11 @492 const struct dev_pm_ops af8133j_pm_ops = { 5f47c80d82e489 Icenowy Zheng 2024-02-11 493 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, pm_runtime_force_resume) 5f47c80d82e489 Icenowy Zheng 2024-02-11 494 SET_RUNTIME_PM_OPS(af8133j_runtime_suspend, af8133j_runtime_resume, NULL) 5f47c80d82e489 Icenowy Zheng 2024-02-11 495 }; 5f47c80d82e489 Icenowy Zheng 2024-02-11 496 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki