Re: [PATCH v2 1/3] nvmem: core: introduce cells parser

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

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Hi Vadym,

I love your patch! Yet something to improve:

[auto build test ERROR on robh/for-next]
[also build test ERROR on linux/master linus/master v5.13-rc5 next-20210608]
[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]

url:    https://github.com/0day-ci/linux/commits/Vadym-Kochan/nvmem-add-ONIE-NVMEM-cells-parser/20210609-031008
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
config: powerpc-allnoconfig (attached as .config)
compiler: powerpc-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/e7cd03f23c4980914d9de330fd018cb733f84d8f
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Vadym-Kochan/nvmem-add-ONIE-NVMEM-cells-parser/20210609-031008
        git checkout e7cd03f23c4980914d9de330fd018cb733f84d8f
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   In file included from include/linux/rtc.h:18,
                    from arch/powerpc/kernel/time.c:47:
   include/linux/nvmem-provider.h: In function 'nvmem_parser_register':
>> include/linux/nvmem-provider.h:183:9: error: returning 'int' from a function with return type 'struct nvmem_parser *' makes pointer from integer without a cast [-Werror=int-conversion]
     183 |  return -EOPNOTSUPP;
         |         ^
   cc1: all warnings being treated as errors


vim +183 include/linux/nvmem-provider.h

   179	
   180	static inline struct nvmem_parser *
   181	nvmem_parser_register(const struct nvmem_parser_config *config)
   182	{
 > 183		return -EOPNOTSUPP;
   184	}
   185	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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