Hi Zhao, kernel test robot noticed the following build errors: [auto build test ERROR on e14232afa94445e03fc3a0291b07a68f3408c120] url: https://github.com/intel-lab-lkp/linux/commits/Zhao-Qunqin/dt-bindings-EDAC-for-ls3a5000-memory-controller/20241111-141155 base: e14232afa94445e03fc3a0291b07a68f3408c120 patch link: https://lore.kernel.org/r/20241111060939.5349-3-zhaoqunqin%40loongson.cn patch subject: [PATCH v7 2/2] EDAC: Add EDAC driver for loongson memory controller config: i386-allmodconfig (https://download.01.org/0day-ci/archive/20241111/202411111918.lhNjQmXB-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241111/202411111918.lhNjQmXB-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/202411111918.lhNjQmXB-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): drivers/edac/loongson_edac.c: In function 'read_ecc': >> drivers/edac/loongson_edac.c:28:15: error: implicit declaration of function 'readq'; did you mean 'readl'? [-Werror=implicit-function-declaration] 28 | ecc = readq(pvt->ecc_base + ECC_CS_COUNT_REG); | ^~~~~ | readl cc1: some warnings being treated as errors Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for GET_FREE_REGION Depends on [n]: SPARSEMEM [=n] Selected by [m]: - RESOURCE_KUNIT_TEST [=m] && RUNTIME_TESTING_MENU [=y] && KUNIT [=m] vim +28 drivers/edac/loongson_edac.c 18 19 static int read_ecc(struct mem_ctl_info *mci) 20 { 21 struct loongson_edac_pvt *pvt = mci->pvt_info; 22 u64 ecc; 23 int cs; 24 25 if (!pvt->ecc_base) 26 return pvt->last_ce_count; 27 > 28 ecc = readq(pvt->ecc_base + ECC_CS_COUNT_REG); 29 /* cs0 -- cs3 */ 30 cs = ecc & 0xff; 31 cs += (ecc >> 8) & 0xff; 32 cs += (ecc >> 16) & 0xff; 33 cs += (ecc >> 24) & 0xff; 34 35 return cs; 36 } 37 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki