Re: [PATCH V6][1/4] mmc: solve DMA boundary limitation of CQHCI driver

From: kernel test robot
Date: Thu Nov 09 2023 - 10:23:18 EST


Hi Jyan,

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 v6.6 next-20231109]
[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: arc-randconfig-002-20231109 (https://download.01.org/0day-ci/archive/20231109/202311092347.9A8MgzyN-lkp@xxxxxxxxx/config)
compiler: arc-elf-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231109/202311092347.9A8MgzyN-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/202311092347.9A8MgzyN-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

drivers/mmc/host/cqhci-core.c: In function 'cqhci_prep_tran_desc':
>> drivers/mmc/host/cqhci-core.c:519:25: error: 'const struct cqhci_host_ops' has no member named 'setup_tran_desc'
519 | if (cq_host->ops->setup_tran_desc) {
| ^~
drivers/mmc/host/cqhci-core.c:520:29: error: 'const struct cqhci_host_ops' has no member named 'setup_tran_desc'
520 | cq_host->ops->setup_tran_desc(data, cq_host, desc, sg_count);
| ^~


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

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