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Date:   Sun, 8 Oct 2023 21:42:01 +0800
From:   kernel test robot <lkp@intel.com>
To:     Miquel Raynal <miquel.raynal@bootlin.com>,
        Srinivas Kandagatla <srinivas.kandagatla@linaro.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc:     oe-kbuild-all@lists.linux.dev, Michael Walle <michael@walle.cc>,
        =?utf-8?B?UmFmYcWCIE1pxYJlY2tp?= <rafal@milecki.pl>,
        Rob Herring <robh+dt@kernel.org>,
        Frank Rowand <frowand.list@gmail.com>,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        Robert Marko <robert.marko@sartura.hr>,
        Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
        Luka Perkov <luka.perkov@sartura.hr>,
        Randy Dunlap <rdunlap@infradead.org>,
        Chen-Yu Tsai <wenst@chromium.org>,
        Daniel Golle <daniel@makrotopia.org>,
        Miquel Raynal <miquel.raynal@bootlin.com>
Subject: Re: [PATCH v12 5/7] nvmem: core: Rework layouts to become regular
 devices
Message-ID: <202310082134.KFshrVpM-lkp@intel.com>
References: <20231005155907.2701706-6-miquel.raynal@bootlin.com>
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In-Reply-To: <20231005155907.2701706-6-miquel.raynal@bootlin.com>
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Hi Miquel,

kernel test robot noticed the following build errors:

[auto build test ERROR on robh/for-next]
[also build test ERROR on char-misc/char-misc-testing char-misc/char-misc-next char-misc/char-misc-linus linus/master v6.6-rc4 next-20231006]
[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/Miquel-Raynal/of-device-Export-of_device_make_bus_id/20231006-000111
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
patch link:    https://lore.kernel.org/r/20231005155907.2701706-6-miquel.raynal%40bootlin.com
patch subject: [PATCH v12 5/7] nvmem: core: Rework layouts to become regular devices
config: sh-se7705_defconfig (https://download.01.org/0day-ci/archive/20231008/202310082134.KFshrVpM-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231008/202310082134.KFshrVpM-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/202310082134.KFshrVpM-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from drivers/nvmem/core.c:22:
   drivers/nvmem/internals.h: In function 'nvmem_destroy_layout':
>> drivers/nvmem/internals.h:54:47: error: no return statement in function returning non-void [-Werror=return-type]
      54 | static inline int nvmem_destroy_layout(struct nvmem_device *nvmem) { }
         |                                               ^~~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +54 drivers/nvmem/internals.h

    53	
  > 54	static inline int nvmem_destroy_layout(struct nvmem_device *nvmem) { }
    55	#endif /* CONFIG_OF */
    56	

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