tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git kobject-const head: b3fd2c1b72aa7f7a66de071d625c3702f705edf7 commit: 50a40710ce9ffdc860cd60c3d797388781b6fd2e [15/18] driver core: make struct bus_type.uevent() take a const * config: s390-randconfig-s052-20220925 compiler: s390-linux-gcc (GCC) 12.1.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-39-gce1a6720-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git/commit/?id=50a40710ce9ffdc860cd60c3d797388781b6fd2e git remote add driver-core https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git git fetch --no-tags driver-core kobject-const git checkout 50a40710ce9ffdc860cd60c3d797388781b6fd2e # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=s390 SHELL=/bin/bash drivers/nvdimm/ drivers/s390/cio/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) >> drivers/nvdimm/bus.c:37:28: sparse: sparse: incorrect type in argument 1 (different modifiers) @@ expected struct device *dev @@ got struct device const *dev @@ drivers/nvdimm/bus.c:37:28: sparse: expected struct device *dev drivers/nvdimm/bus.c:37:28: sparse: got struct device const *dev -- >> drivers/s390/cio/device.c:133:59: sparse: sparse: incorrect type in argument 3 (different modifiers) @@ expected struct ccw_device_id *id @@ got struct ccw_device_id const *id @@ drivers/s390/cio/device.c:133:59: sparse: expected struct ccw_device_id *id drivers/s390/cio/device.c:133:59: sparse: got struct ccw_device_id const *id vim +37 drivers/nvdimm/bus.c 45def22c1fab85 Dan Williams 2015-04-26 30 50a40710ce9ffd Greg Kroah-Hartman 2022-09-29 31 static int to_nd_device_type(const struct device *dev) 4d88a97aa9e8cf Dan Williams 2015-05-31 32 { 4d88a97aa9e8cf Dan Williams 2015-05-31 33 if (is_nvdimm(dev)) 4d88a97aa9e8cf Dan Williams 2015-05-31 34 return ND_DEVICE_DIMM; c9e582aa689f54 Dan Williams 2017-05-29 35 else if (is_memory(dev)) 3d88002e4a7bd4 Dan Williams 2015-05-31 36 return ND_DEVICE_REGION_PMEM; cd03412a51ac4c Dan Williams 2016-03-11 @37 else if (is_nd_dax(dev)) cd03412a51ac4c Dan Williams 2016-03-11 38 return ND_DEVICE_DAX_PMEM; c9e582aa689f54 Dan Williams 2017-05-29 39 else if (is_nd_region(dev->parent)) 3d88002e4a7bd4 Dan Williams 2015-05-31 40 return nd_region_to_nstype(to_nd_region(dev->parent)); 4d88a97aa9e8cf Dan Williams 2015-05-31 41 4d88a97aa9e8cf Dan Williams 2015-05-31 42 return 0; 4d88a97aa9e8cf Dan Williams 2015-05-31 43 } 4d88a97aa9e8cf Dan Williams 2015-05-31 44 :::::: The code at line 37 was first introduced by commit :::::: cd03412a51ac4cb3001a8cdfae4560c9602f3387 libnvdimm, dax: introduce device-dax infrastructure :::::: TO: Dan Williams :::::: CC: Dan Williams -- 0-DAY CI Kernel Test Service https://01.org/lkp