Re: [PATCH v2 2/4] mmc: loongson2: Add Loongson-2K SD/SDIO controller driver

Re: [PATCH v2 2/4] mmc: loongson2: Add Loongson-2K SD/SDIO controller driver

[kernel test robot]

Hi Binbin,

kernel test robot noticed the following build errors:

[auto build test ERROR on 9e12816f9a6195f1f5b7c5dc2e388c2458411b97]

url:    https://github.com/intel-lab-lkp/linux/commits/Binbin-Zhou/dt-bindings-mmc-Add-Loongson-2K-SD-SDIO-eMMC-controller-binding/20250507-153435
base:   9e12816f9a6195f1f5b7c5dc2e388c2458411b97
patch link:    https://lore.kernel.org/r/1308b6ca9ffc2674cc0f089cfd163da87e53a8cd.1746581751.git.zhoubinbin%40loongson.cn
patch subject: [PATCH v2 2/4] mmc: loongson2: Add Loongson-2K SD/SDIO controller driver
config: riscv-allyesconfig (https://download.01.org/0day-ci/archive/20250508/202505081845.0NQYX2nS-lkp@intel.com/config)
compiler: clang version 16.0.6 (https://github.com/llvm/llvm-project 7cbf1a2591520c2491aa35339f227775f4d3adf6)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250508/202505081845.0NQYX2nS-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/202505081845.0NQYX2nS-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/mmc/host/loongson2-mmc.c:605:20: error: initializer element is not a compile-time constant
           .regmap_config          = ls2k1000_regmap_config,
                                     ^~~~~~~~~~~~~~~~~~~~~~
   drivers/mmc/host/loongson2-mmc.c:637:20: error: initializer element is not a compile-time constant
           .regmap_config          = ls2k1000_regmap_config,
                                     ^~~~~~~~~~~~~~~~~~~~~~
   drivers/mmc/host/loongson2-mmc.c:684:39: warning: shift count >= width of type [-Wshift-count-overflow]
           ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64));
                                                ^~~~~~~~~~~~~~~~
   include/linux/dma-mapping.h:73:54: note: expanded from macro 'DMA_BIT_MASK'
   #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
                                                        ^ ~~~
   1 warning and 2 errors generated.


vim +605 drivers/mmc/host/loongson2-mmc.c

   603	
   604	static struct loongson2_mmc_pdata ls2k0500_mmc_pdata = {
 > 605		.regmap_config		= ls2k1000_regmap_config,
   606		.reorder_cmd_data	= loongson2_mmc_reorder_cmd_data,
   607		.setting_dma		= ls2k0500_mmc_set_external_dma,
   608		.prepare_dma		= loongson2_mmc_prepare_external_dma,
   609		.release_dma		= loongson2_mmc_release_external_dma,
   610	};
   611	

-- 
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https://github.com/intel/lkp-tests/wiki