Re: [PATCH V2][1/4] mmc: solve DMA boundary limitation of CQHCI driver

From: kernel test robot
Date: Thu Oct 19 2023 - 05:02:23 EST


Hi Jyan,

kernel test robot noticed the following build warnings:

[auto build test WARNING on linus/master]
[also build test WARNING on ulf-hansson-mmc-mirror/next v6.6-rc6 next-20231018]
[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/20231018-135532
base: linus/master
patch link: https://lore.kernel.org/r/20231018055326.18256-2-jyanchou%40realtek.com
patch subject: [PATCH V2][1/4] mmc: solve DMA boundary limitation of CQHCI driver
config: csky-randconfig-001-20231019 (https://download.01.org/0day-ci/archive/20231019/202310191631.Hp1KsdtD-lkp@xxxxxxxxx/config)
compiler: csky-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231019/202310191631.Hp1KsdtD-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/202310191631.Hp1KsdtD-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

In file included from drivers/mmc/host/sdhci_am654.c:17:
>> drivers/mmc/host/cqhci.h:292:40: warning: 'struct mmc_data' declared inside parameter list will not be visible outside of this definition or declaration
292 | void (*setup_tran_desc)(struct mmc_data *data,
| ^~~~~~~~
--
>> drivers/mmc/host/cqhci-core.c:477:6: warning: no previous prototype for 'cqhci_set_tran_desc' [-Wmissing-prototypes]
477 | void cqhci_set_tran_desc(u8 *desc, dma_addr_t addr, int len, bool end,
| ^~~~~~~~~~~~~~~~~~~


vim +292 drivers/mmc/host/cqhci.h

281
282 struct cqhci_host_ops {
283 void (*dumpregs)(struct mmc_host *mmc);
284 void (*write_l)(struct cqhci_host *host, u32 val, int reg);
285 u32 (*read_l)(struct cqhci_host *host, int reg);
286 void (*enable)(struct mmc_host *mmc);
287 void (*disable)(struct mmc_host *mmc, bool recovery);
288 void (*update_dcmd_desc)(struct mmc_host *mmc, struct mmc_request *mrq,
289 u64 *data);
290 void (*pre_enable)(struct mmc_host *mmc);
291 void (*post_disable)(struct mmc_host *mmc);
> 292 void (*setup_tran_desc)(struct mmc_data *data,
293 struct cqhci_host *cq_host, u8 *desc, int sg_count);
294 #ifdef CONFIG_MMC_CRYPTO
295 int (*program_key)(struct cqhci_host *cq_host,
296 const union cqhci_crypto_cfg_entry *cfg, int slot);
297 #endif
298 };
299

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