Hi Avri, kernel test robot noticed the following build errors: [auto build test ERROR on linus/master] [also build test ERROR on v6.11-rc5 next-20240826] [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/Avri-Altman/mmc-sd-SDUC-Support-Recognition/20240826-161527 base: linus/master patch link: https://lore.kernel.org/r/20240825074141.3171549-7-avri.altman%40wdc.com patch subject: [PATCH v4 6/9] mmc: host: Add close-ended Ext memory addressing config: arc-randconfig-002-20240827 (https://download.01.org/0day-ci/archive/20240827/202408270315.TTjSYp25-lkp@xxxxxxxxx/config) compiler: arceb-elf-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240827/202408270315.TTjSYp25-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/202408270315.TTjSYp25-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): drivers/mmc/host/sdhci.c: In function 'sdhci_get_sbc_ext': >> drivers/mmc/host/sdhci.c:1797:24: error: implicit declaration of function 'mmc_card_ult_capacity' [-Werror=implicit-function-declaration] 1797 | bool is_sduc = mmc_card_ult_capacity(host->mmc->card); | ^~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/mmc_card_ult_capacity +1797 drivers/mmc/host/sdhci.c 1793 1794 static struct mmc_command *sdhci_get_sbc_ext(struct sdhci_host *host, 1795 struct mmc_command *cmd) 1796 { > 1797 bool is_sduc = mmc_card_ult_capacity(host->mmc->card); 1798 1799 if (is_sduc) { 1800 /* Finished CMD22, now send actual command */ 1801 if (cmd == cmd->mrq->ext) 1802 return cmd->mrq->cmd; 1803 } 1804 1805 /* Finished CMD23 */ 1806 if (cmd == cmd->mrq->sbc) { 1807 if (is_sduc) { 1808 /* send CMD22 after CMD23 */ 1809 if (WARN_ON(!cmd->mrq->ext)) 1810 return NULL; 1811 else 1812 return cmd->mrq->ext; 1813 } else { 1814 /* Finished CMD23, now send actual command */ 1815 return cmd->mrq->cmd; 1816 } 1817 } 1818 1819 return NULL; 1820 } 1821 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki