Hi Sergey, kernel test robot noticed the following build warnings: [auto build test WARNING on linus/master] [also build test WARNING on ulf-hansson-mmc-mirror/next v6.7-rc7] [cannot apply to next-20231222] [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/Sergey-Khimich/mmc-cqhci-Add-cqhci-set_tran_desc-callback/20231229-181345 base: linus/master patch link: https://lore.kernel.org/r/20231229101128.392089-3-serghox%40gmail.com patch subject: [PATCH v4 2/2] mmc: sdhci-of-dwcmshc: Implement SDHCI CQE support config: i386-buildonly-randconfig-001-20231230 (https://download.01.org/0day-ci/archive/20231230/202312301130.itEZhhI5-lkp@xxxxxxxxx/config) compiler: ClangBuiltLinux clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231230/202312301130.itEZhhI5-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/202312301130.itEZhhI5-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/mmc/host/sdhci-of-dwcmshc.c:224:5: warning: no previous prototype for function 'dwcmshc_execute_tuning' [-Wmissing-prototypes] 224 | int dwcmshc_execute_tuning(struct mmc_host *mmc, u32 opcode) | ^ drivers/mmc/host/sdhci-of-dwcmshc.c:224:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 224 | int dwcmshc_execute_tuning(struct mmc_host *mmc, u32 opcode) | ^ | static 1 warning generated. vim +/dwcmshc_execute_tuning +224 drivers/mmc/host/sdhci-of-dwcmshc.c 223 > 224 int dwcmshc_execute_tuning(struct mmc_host *mmc, u32 opcode) 225 { 226 int err = sdhci_execute_tuning(mmc, opcode); 227 struct sdhci_host *host = mmc_priv(mmc); 228 229 if (err) 230 return err; 231 232 /* 233 * Tuning can leave the IP in an active state (Buffer Read Enable bit 234 * set) which prevents the entry to low power states (i.e. S0i3). Data 235 * reset will clear it. 236 */ 237 sdhci_reset(host, SDHCI_RESET_DATA); 238 239 return 0; 240 } 241 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
