Hi Biju, kernel test robot noticed the following build errors: [auto build test ERROR on linus/master] [also build test ERROR on ulf-hansson-mmc-mirror/next v6.16 next-20250729] [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/Biju/mmc-tmio-Add-64-bit-read-write-support-for-SD_BUF0-in-polling-mode/20250728-001022 base: linus/master patch link: https://lore.kernel.org/r/20250727160731.106312-2-biju.das.jz%40bp.renesas.com patch subject: [PATCH v2 1/2] mmc: tmio: Add 64-bit read/write support for SD_BUF0 in polling mode config: powerpc64-randconfig-001-20250730 (https://download.01.org/0day-ci/archive/20250730/202507301421.AmWhOZBk-lkp@xxxxxxxxx/config) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 78c460bbe8f1fc17e2e66b37edf419ccecbfecba) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250730/202507301421.AmWhOZBk-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/202507301421.AmWhOZBk-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from drivers/mmc/host/uniphier-sd.c:21: >> drivers/mmc/host/tmio_mmc.h:249:2: error: call to undeclared function 'ioread64_rep'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 249 | ioread64_rep(host->ctl + (addr << host->bus_shift), buf, count); | ^ >> drivers/mmc/host/tmio_mmc.h:255:2: error: call to undeclared function 'iowrite64_rep'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 255 | iowrite64_rep(host->ctl + (addr << host->bus_shift), buf, count); | ^ 2 errors generated. vim +/ioread64_rep +249 drivers/mmc/host/tmio_mmc.h 244 245 #ifdef CONFIG_64BIT 246 static inline void sd_ctrl_read64_rep(struct tmio_mmc_host *host, int addr, 247 u64 *buf, int count) 248 { > 249 ioread64_rep(host->ctl + (addr << host->bus_shift), buf, count); 250 } 251 252 static inline void sd_ctrl_write64_rep(struct tmio_mmc_host *host, int addr, 253 const u64 *buf, int count) 254 { > 255 iowrite64_rep(host->ctl + (addr << host->bus_shift), buf, count); 256 } 257 #endif 258 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
