Hi Lizhi, kernel test robot noticed the following build warnings: [auto build test WARNING on pci/next] [also build test WARNING on pci/for-linus robh/for-next linus/master v6.4-rc6 next-20230615] [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/Lizhi-Hou/of-dynamic-Add-interfaces-for-creating-device-node-dynamically/20230616-005610 base: https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git next patch link: https://lore.kernel.org/r/1686847842-33780-7-git-send-email-lizhi.hou%40amd.com patch subject: [PATCH V9 6/6] of: unittest: Add pci_dt_testdrv pci driver config: mips-allyesconfig (https://download.01.org/0day-ci/archive/20230616/202306160410.HTDpoLQa-lkp@xxxxxxxxx/config) compiler: mips-linux-gcc (GCC) 12.3.0 reproduce (this is a W=1 build): mkdir -p ~/bin wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git remote add pci https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git git fetch pci next git checkout pci/next b4 shazam https://lore.kernel.org/r/1686847842-33780-7-git-send-email-lizhi.hou@xxxxxxx # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=mips olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/ 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/202306160410.HTDpoLQa-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from include/asm-generic/bug.h:22, from arch/mips/include/asm/bug.h:42, from include/linux/bug.h:5, from include/linux/mmdebug.h:5, from include/linux/mm.h:6, from include/linux/memblock.h:12, from drivers/of/unittest.c:8: drivers/of/unittest.c: In function 'unittest_pci_probe': >> include/linux/kern_levels.h:5:25: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 4 has type 'resource_size_t' {aka 'unsigned int'} [-Wformat=] 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */ | ^~~~~~ include/linux/printk.h:427:25: note: in definition of macro 'printk_index_wrap' 427 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~ include/linux/printk.h:498:9: note: in expansion of macro 'printk' 498 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~ include/linux/kern_levels.h:11:25: note: in expansion of macro 'KERN_SOH' 11 | #define KERN_ERR KERN_SOH "3" /* error conditions */ | ^~~~~~~~ include/linux/printk.h:498:16: note: in expansion of macro 'KERN_ERR' 498 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~ drivers/of/unittest.c:45:17: note: in expansion of macro 'pr_err' 45 | pr_err("FAIL %s():%i " fmt, __func__, __LINE__, ##__VA_ARGS__); \ | ^~~~~~ drivers/of/unittest.c:3844:9: note: in expansion of macro 'unittest' 3844 | unittest(res->start == exp_addr, "Incorrect translated address %llx, expected %llx\n", | ^~~~~~~~ vim +5 include/linux/kern_levels.h 314ba3520e513a Joe Perches 2012-07-30 4 04d2c8c83d0e3a Joe Perches 2012-07-30 @5 #define KERN_SOH "\001" /* ASCII Start Of Header */ 04d2c8c83d0e3a Joe Perches 2012-07-30 6 #define KERN_SOH_ASCII '\001' 04d2c8c83d0e3a Joe Perches 2012-07-30 7 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki