Hi Jyan, kernel test robot noticed the following build errors: [auto build test ERROR on linus/master] [also build test ERROR on v6.6 next-20231110] [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/Jyan-Chou/mmc-solve-DMA-boundary-limitation-of-CQHCI-driver/20231109-190435 base: linus/master patch link: https://lore.kernel.org/r/20231109082043.27147-2-jyanchou%40realtek.com patch subject: [PATCH V6][1/4] mmc: solve DMA boundary limitation of CQHCI driver config: x86_64-rhel-8.3-rust (https://download.01.org/0day-ci/archive/20231110/202311101711.FFnMF7iH-lkp@xxxxxxxxx/config) compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231110/202311101711.FFnMF7iH-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/202311101711.FFnMF7iH-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/mmc/host/cqhci-core.c:519:20: error: no member named 'setup_tran_desc' in 'struct cqhci_host_ops' if (cq_host->ops->setup_tran_desc) { ~~~~~~~~~~~~ ^ drivers/mmc/host/cqhci-core.c:520:17: error: no member named 'setup_tran_desc' in 'struct cqhci_host_ops' cq_host->ops->setup_tran_desc(data, cq_host, desc, sg_count); ~~~~~~~~~~~~ ^ 2 errors generated. vim +519 drivers/mmc/host/cqhci-core.c 498 499 static int cqhci_prep_tran_desc(struct mmc_request *mrq, 500 struct cqhci_host *cq_host, int tag) 501 { 502 struct mmc_data *data = mrq->data; 503 int i, sg_count, len; 504 bool end = false; 505 bool dma64 = cq_host->dma64; 506 dma_addr_t addr; 507 u8 *desc; 508 struct scatterlist *sg; 509 510 sg_count = cqhci_dma_map(mrq->host, mrq); 511 if (sg_count < 0) { 512 pr_err("%s: %s: unable to map sg lists, %d\n", 513 mmc_hostname(mrq->host), __func__, sg_count); 514 return sg_count; 515 } 516 517 desc = get_trans_desc(cq_host, tag); 518 > 519 if (cq_host->ops->setup_tran_desc) { 520 cq_host->ops->setup_tran_desc(data, cq_host, desc, sg_count); 521 return 0; 522 } 523 524 for_each_sg(data->sg, sg, sg_count, i) { 525 addr = sg_dma_address(sg); 526 len = sg_dma_len(sg); 527 528 if ((i+1) == sg_count) 529 end = true; 530 cqhci_set_tran_desc(desc, addr, len, end, dma64); 531 desc += cq_host->trans_desc_len; 532 } 533 534 return 0; 535 } 536 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki