Re: [PATCH v7 2/2] EDAC: Add EDAC driver for loongson memory controller

[kernel test robot <lkp@intel.com>]

Hi Zhao,

kernel test robot noticed the following build errors:

[auto build test ERROR on e14232afa94445e03fc3a0291b07a68f3408c120]

url:    https://github.com/intel-lab-lkp/linux/commits/Zhao-Qunqin/dt-bindings-EDAC-for-ls3a5000-memory-controller/20241111-141155
base:   e14232afa94445e03fc3a0291b07a68f3408c120
patch link:    https://lore.kernel.org/r/20241111060939.5349-3-zhaoqunqin%40loongson.cn
patch subject: [PATCH v7 2/2] EDAC: Add EDAC driver for loongson memory controller
config: i386-allmodconfig (https://download.01.org/0day-ci/archive/20241111/202411111918.lhNjQmXB-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241111/202411111918.lhNjQmXB-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/202411111918.lhNjQmXB-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/edac/loongson_edac.c: In function 'read_ecc':
>> drivers/edac/loongson_edac.c:28:15: error: implicit declaration of function 'readq'; did you mean 'readl'? [-Werror=implicit-function-declaration]
      28 |         ecc = readq(pvt->ecc_base + ECC_CS_COUNT_REG);
         |               ^~~~~
         |               readl
   cc1: some warnings being treated as errors

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for GET_FREE_REGION
   Depends on [n]: SPARSEMEM [=n]
   Selected by [m]:
   - RESOURCE_KUNIT_TEST [=m] && RUNTIME_TESTING_MENU [=y] && KUNIT [=m]


vim +28 drivers/edac/loongson_edac.c

    18	
    19	static int read_ecc(struct mem_ctl_info *mci)
    20	{
    21		struct loongson_edac_pvt *pvt = mci->pvt_info;
    22		u64 ecc;
    23		int cs;
    24	
    25		if (!pvt->ecc_base)
    26			return pvt->last_ce_count;
    27	
  > 28		ecc = readq(pvt->ecc_base + ECC_CS_COUNT_REG);
    29		/* cs0 -- cs3 */
    30		cs = ecc & 0xff;
    31		cs += (ecc >> 8) & 0xff;
    32		cs += (ecc >> 16) & 0xff;
    33		cs += (ecc >> 24) & 0xff;
    34	
    35		return cs;
    36	}
    37	

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