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

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

[kernel test robot]

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@intel.com/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@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311101711.FFnMF7iH-lkp@intel.com/

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	

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