linux-kernel - Re: [PATCH v1 1/2] Loongarch: EDAC driver for loongson memory controller

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Message-ID: <202408231055.okLH0uuC-lkp@intel.com>
Date: Fri, 23 Aug 2024 10:42:22 +0800
From: kernel test robot <lkp@...el.com>
To: Zhao Qunqin <zhaoqunqin@...ngson.cn>, chenhuacai@...nel.org,
	kernel@...0n.name, bp@...en8.de, tony.luck@...el.com,
	james.morse@....com, mchehab@...nel.org, rric@...nel.org,
	robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org
Cc: oe-kbuild-all@...ts.linux.dev, loongarch@...ts.linux.dev,
	linux-kernel@...r.kernel.org, linux-edac@...r.kernel.org,
	devicetree@...r.kernel.org, zhaoqunqin <zhaoqunqin@...ngson.cn>
Subject: Re: [PATCH v1 1/2] Loongarch: EDAC driver for loongson memory
 controller

Hi Zhao,

kernel test robot noticed the following build warnings:

[auto build test WARNING on ras/edac-for-next]
[also build test WARNING on robh/for-next linus/master v6.11-rc4 next-20240822]
[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/Zhao-Qunqin/Loongarch-EDAC-driver-for-loongson-memory-controller/20240821-145127
base:   https://git.kernel.org/pub/scm/linux/kernel/git/ras/ras.git edac-for-next
patch link:    https://lore.kernel.org/r/20240821064728.8642-2-zhaoqunqin%40loongson.cn
patch subject: [PATCH v1 1/2] Loongarch: EDAC driver for loongson memory controller
config: loongarch-loongson3_defconfig (https://download.01.org/0day-ci/archive/20240823/202408231055.okLH0uuC-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 13.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240823/202408231055.okLH0uuC-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202408231055.okLH0uuC-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/edac/loongson_edac.c: In function 'get_dimm_config':
   drivers/edac/loongson_edac.c:90:16: error: implicit declaration of function 'EDAC_DIMM_PTR' [-Werror=implicit-function-declaration]
      90 |         dimm = EDAC_DIMM_PTR(mci->layers, mci->dimms, mci->n_layers,
         |                ^~~~~~~~~~~~~
>> drivers/edac/loongson_edac.c:90:14: warning: assignment to 'struct dimm_info *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
      90 |         dimm = EDAC_DIMM_PTR(mci->layers, mci->dimms, mci->n_layers,
         |              ^
   drivers/edac/loongson_edac.c: At top level:
   drivers/edac/loongson_edac.c:181:27: error: initialization of 'void (*)(struct platform_device *)' from incompatible pointer type 'int (*)(struct platform_device *)' [-Werror=incompatible-pointer-types]
     181 |         .remove         = loongson_edac_remove,
         |                           ^~~~~~~~~~~~~~~~~~~~
   drivers/edac/loongson_edac.c:181:27: note: (near initialization for 'loongson_edac_driver.<anonymous>.remove')
   cc1: some warnings being treated as errors


vim +90 drivers/edac/loongson_edac.c

    80	
    81	static int get_dimm_config(struct mem_ctl_info *mci)
    82	{
    83		u32 size, npages;
    84		struct dimm_info *dimm;
    85	
    86		/* size not used */
    87		size = -1;
    88		npages = MiB_TO_PAGES(size);
    89	
  > 90		dimm = EDAC_DIMM_PTR(mci->layers, mci->dimms, mci->n_layers,
    91				0, 0, 0);
    92		dimm->nr_pages = npages;
    93		snprintf(dimm->label, sizeof(dimm->label),
    94				"MC#%uChannel#%u_DIMM#%u",
    95				mci->mc_idx, 0, 0);
    96		dimm->grain = 8;
    97	
    98		return 0;
    99	}
   100	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki