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Date:   Sun, 22 Oct 2023 16:31:04 +0800
From:   kernel test robot <lkp@intel.com>
To:     dregan@broadcom.com, bcm-kernel-feedback-list@broadcom.com,
        linux-mtd@lists.infradead.org, f.fainelli@gmail.com,
        rafal@milecki.pl, joel.peshkin@broadcom.com,
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        william.zhang@broadcom.com, frieder.schrempf@kontron.de,
        linux-kernel@vger.kernel.org, vigneshr@ti.com, richard@nod.at,
        bbrezillon@kernel.org, kdasu.kdev@gmail.com,
        JaimeLiao <jaimeliao.tw@gmail.com>,
        Arseniy Krasnov <AVKrasnov@sberdevices.ru>,
        Adam Borowski <kilobyte@angband.pl>
Cc:     oe-kbuild-all@lists.linux.dev
Subject: Re: [PATCH v3 4/4] mtd: rawnand: brcmnand: exec_op implementation
Message-ID: <202310221656.oDdh8ExK-lkp@intel.com>
References: <20231017201417.129872-4-dregan@broadcom.com>
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In-Reply-To: <20231017201417.129872-4-dregan@broadcom.com>
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Hi,

kernel test robot noticed the following build warnings:

[auto build test WARNING on mtd/nand/next]
[also build test WARNING on linus/master v6.6-rc6 next-20231020]
[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/dregan-broadcom-com/mtd-rawnand-NAND-controller-write-protect/20231018-042758
base:   https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next
patch link:    https://lore.kernel.org/r/20231017201417.129872-4-dregan%40broadcom.com
patch subject: [PATCH v3 4/4] mtd: rawnand: brcmnand: exec_op implementation
config: i386-buildonly-randconfig-002-20231022 (https://download.01.org/0day-ci/archive/20231022/202310221656.oDdh8ExK-lkp@intel.com/config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231022/202310221656.oDdh8ExK-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/202310221656.oDdh8ExK-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/mtd/nand/raw/brcmnand/brcmnand.c:2393:5: warning: no previous declaration for 'brcmnand_exec_op_is_status' [-Wmissing-declarations]
    int brcmnand_exec_op_is_status(const struct nand_operation *op)
        ^~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/mtd/nand/raw/brcmnand/brcmnand.c:2404:5: warning: no previous declaration for 'brcmnand_exec_op_is_reset' [-Wmissing-declarations]
    int brcmnand_exec_op_is_reset(const struct nand_operation *op)
        ^~~~~~~~~~~~~~~~~~~~~~~~~


vim +/brcmnand_exec_op_is_status +2393 drivers/mtd/nand/raw/brcmnand/brcmnand.c

  2392	
> 2393	int brcmnand_exec_op_is_status(const struct nand_operation *op)
  2394	{
  2395		if ((op->ninstrs == 2) &&
  2396			(op->instrs[0].type == NAND_OP_CMD_INSTR) &&
  2397			(op->instrs[0].ctx.cmd.opcode == NAND_CMD_STATUS) &&
  2398			(op->instrs[1].type == NAND_OP_DATA_IN_INSTR))
  2399			return 1;
  2400	
  2401		return 0;
  2402	}
  2403	
> 2404	int brcmnand_exec_op_is_reset(const struct nand_operation *op)
  2405	{
  2406		if ((op->ninstrs == 1) &&
  2407			(op->instrs[0].type == NAND_OP_CMD_INSTR) &&
  2408			(op->instrs[0].ctx.cmd.opcode == NAND_CMD_RESET))
  2409			return 1;
  2410	
  2411		return 0;
  2412	}
  2413	

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