Hi, kernel test robot noticed the following build errors: [auto build test ERROR on jejb-scsi/for-next] [also build test ERROR on mkp-scsi/for-next linus/master v6.11-rc5 next-20240830] [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/peter-wang-mediatek-com/ufs-core-fix-the-issue-of-ICU-failure/20240830-154808 base: https://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git for-next patch link: https://lore.kernel.org/r/20240830074426.21968-3-peter.wang%40mediatek.com patch subject: [PATCH v1 2/2] ufs: core: requeue MCQ abort request config: arm-randconfig-002-20240831 (https://download.01.org/0day-ci/archive/20240901/202409010054.kNsXraZk-lkp@xxxxxxxxx/config) compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240901/202409010054.kNsXraZk-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/202409010054.kNsXraZk-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/ufs/core/ufshcd.c:6505:6: error: call to undeclared function 'is_mcq_enabled'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] if (is_mcq_enabled(hba) && (*ret == 0)) ^ 1 error generated. vim +/is_mcq_enabled +6505 drivers/ufs/core/ufshcd.c 6488 6489 static bool ufshcd_abort_one(struct request *rq, void *priv) 6490 { 6491 int *ret = priv; 6492 u32 tag = rq->tag; 6493 struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(rq); 6494 struct scsi_device *sdev = cmd->device; 6495 struct Scsi_Host *shost = sdev->host; 6496 struct ufs_hba *hba = shost_priv(shost); 6497 struct ufshcd_lrb *lrbp = &hba->lrb[tag]; 6498 6499 *ret = ufshcd_try_to_abort_task(hba, tag); 6500 dev_err(hba->dev, "Aborting tag %d / CDB %#02x %s\n", tag, 6501 hba->lrb[tag].cmd ? hba->lrb[tag].cmd->cmnd[0] : -1, 6502 *ret ? "failed" : "succeeded"); 6503 6504 /* Host will post to CQ with OCS_ABORTED after SQ clean up */ > 6505 if (is_mcq_enabled(hba) && (*ret == 0)) 6506 lrbp->host_initiate_abort = true; 6507 6508 return *ret == 0; 6509 } 6510 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki