Re: [PATCH v3 1/2] mtd: spi-nand: Add support for randomizer

From: kernel test robot <lkp@intel.com>
To: Cheng Ming Lin <linchengming884@gmail.com>,
	Miquel Raynal <miquel.raynal@bootlin.com>,
	Vignesh Raghavendra <vigneshr@ti.com>
Cc: oe-kbuild-all@lists.linux.dev,
	Richard Weinberger <richard@nod.at>,
	Tudor Ambarus <tudor.ambarus@linaro.org>,
	Martin Kurbanov <mmkurbanov@salutedevices.com>,
	Mikhail Kshevetskiy <mikhail.kshevetskiy@iopsys.eu>,
	Pratyush Yadav <pratyush@kernel.org>,
	linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org,
	Cheng Ming Lin <chengminglin@mxic.com.tw>
Subject: Re: [PATCH v3 1/2] mtd: spi-nand: Add support for randomizer
Date: Sat, 31 Jan 2026 01:24:14 +0800	[thread overview]
Message-ID: <202601310149.HWa5PpbD-lkp@intel.com> (raw)
In-Reply-To: <20260130092349.621034-2-linchengming884@gmail.com>

Hi Cheng,

kernel test robot noticed the following build warnings:

[auto build test WARNING on v6.19-rc7]
[also build test WARNING on linus/master next-20260129]
[cannot apply to mtd/nand/next]
[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/Cheng-Ming-Lin/mtd-spi-nand-Add-support-for-randomizer/20260130-173004
base:   v6.19-rc7
patch link:    https://lore.kernel.org/r/20260130092349.621034-2-linchengming884%40gmail.com
patch subject: [PATCH v3 1/2] mtd: spi-nand: Add support for randomizer
config: sh-randconfig-001-20260130 (https://download.01.org/0day-ci/archive/20260131/202601310149.HWa5PpbD-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 9.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260131/202601310149.HWa5PpbD-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/202601310149.HWa5PpbD-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/mtd/nand/spi/core.c: In function 'spinand_randomizer_init':
>> drivers/mtd/nand/spi/core.c:1234:11: warning: 'return' with a value, in function returning void [-Wreturn-type]
    1234 |    return ret;
         |           ^~~
   drivers/mtd/nand/spi/core.c:1227:13: note: declared here
    1227 | static void spinand_randomizer_init(struct spinand_device *spinand)
         |             ^~~~~~~~~~~~~~~~~~~~~~~
   drivers/mtd/nand/spi/core.c:1237:9: warning: 'return' with a value, in function returning void [-Wreturn-type]
    1237 |  return 0;
         |         ^
   drivers/mtd/nand/spi/core.c:1227:13: note: declared here
    1227 | static void spinand_randomizer_init(struct spinand_device *spinand)
         |             ^~~~~~~~~~~~~~~~~~~~~~~

vim +/return +1234 drivers/mtd/nand/spi/core.c

  1226	
  1227	static void spinand_randomizer_init(struct spinand_device *spinand)
  1228	{
  1229		int ret;
  1230	
  1231		if (spinand->set_randomizer) {
  1232			ret = spinand_randomizer_enable(spinand, true);
  1233			if (ret)
> 1234				return ret;
  1235		}
  1236	
  1237		return 0;
  1238	}
  1239	

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

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