linux-kernel - [bvanassche:ufs-for-next 29/29] drivers/scsi/ufs-drivers/tc-dwc-g210-pltfrm.c:35:34: warning: unused variable 'tc_dwc_g210_pltfm

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Message-ID: <202204020544.mMJWuYeq-lkp@intel.com>
Date:   Sat, 2 Apr 2022 05:01:06 +0800
From:   kernel test robot <lkp@...el.com>
To:     Bart Van Assche <bvanassche@....org>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: [bvanassche:ufs-for-next 29/29]
 drivers/scsi/ufs-drivers/tc-dwc-g210-pltfrm.c:35:34: warning: unused
 variable 'tc_dwc_g210_pltfm_match'

Hi Bart,

First bad commit (maybe != root cause):

tree:   https://github.com/bvanassche/linux ufs-for-next
head:   ca6c8ebd0669820aa5d1bc9432e9e78638e7f264
commit: ca6c8ebd0669820aa5d1bc9432e9e78638e7f264 [29/29] scsi: ufs: Split the drivers/scsi/ufs directory
config: hexagon-randconfig-r001-20220331 (https://download.01.org/0day-ci/archive/20220402/202204020544.mMJWuYeq-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project cc2e2b80a1f36a28fa7c96c38c2674b10868f09f)
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/bvanassche/linux/commit/ca6c8ebd0669820aa5d1bc9432e9e78638e7f264
        git remote add bvanassche https://github.com/bvanassche/linux
        git fetch --no-tags bvanassche ufs-for-next
        git checkout ca6c8ebd0669820aa5d1bc9432e9e78638e7f264
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/scsi/ufs-drivers/

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

All warnings (new ones prefixed by >>):

>> drivers/scsi/ufs-drivers/tc-dwc-g210-pltfrm.c:35:34: warning: unused variable 'tc_dwc_g210_pltfm_match' [-Wunused-const-variable]
   static const struct of_device_id tc_dwc_g210_pltfm_match[] = {
                                    ^
   1 warning generated.


vim +/tc_dwc_g210_pltfm_match +35 drivers/scsi/ufs-drivers/tc-dwc-g210-pltfrm.c

fc040a3fc47cad drivers/scsi/ufs/tc-dwc-g210-pltfrm.c Joao Pinto 2016-05-11  34  
fc040a3fc47cad drivers/scsi/ufs/tc-dwc-g210-pltfrm.c Joao Pinto 2016-05-11 @35  static const struct of_device_id tc_dwc_g210_pltfm_match[] = {
fc040a3fc47cad drivers/scsi/ufs/tc-dwc-g210-pltfrm.c Joao Pinto 2016-05-11  36  	{
fc040a3fc47cad drivers/scsi/ufs/tc-dwc-g210-pltfrm.c Joao Pinto 2016-05-11  37  		.compatible = "snps,g210-tc-6.00-20bit",
fc040a3fc47cad drivers/scsi/ufs/tc-dwc-g210-pltfrm.c Joao Pinto 2016-05-11  38  		.data = &tc_dwc_g210_20bit_pltfm_hba_vops,
fc040a3fc47cad drivers/scsi/ufs/tc-dwc-g210-pltfrm.c Joao Pinto 2016-05-11  39  	},
fc040a3fc47cad drivers/scsi/ufs/tc-dwc-g210-pltfrm.c Joao Pinto 2016-05-11  40  	{
fc040a3fc47cad drivers/scsi/ufs/tc-dwc-g210-pltfrm.c Joao Pinto 2016-05-11  41  		.compatible = "snps,g210-tc-6.00-40bit",
fc040a3fc47cad drivers/scsi/ufs/tc-dwc-g210-pltfrm.c Joao Pinto 2016-05-11  42  		.data = &tc_dwc_g210_40bit_pltfm_hba_vops,
fc040a3fc47cad drivers/scsi/ufs/tc-dwc-g210-pltfrm.c Joao Pinto 2016-05-11  43  	},
fc040a3fc47cad drivers/scsi/ufs/tc-dwc-g210-pltfrm.c Joao Pinto 2016-05-11  44  	{ },
fc040a3fc47cad drivers/scsi/ufs/tc-dwc-g210-pltfrm.c Joao Pinto 2016-05-11  45  };
fc040a3fc47cad drivers/scsi/ufs/tc-dwc-g210-pltfrm.c Joao Pinto 2016-05-11  46  MODULE_DEVICE_TABLE(of, tc_dwc_g210_pltfm_match);
fc040a3fc47cad drivers/scsi/ufs/tc-dwc-g210-pltfrm.c Joao Pinto 2016-05-11  47  

:::::: The code at line 35 was first introduced by commit
:::::: fc040a3fc47cad038f774275ea61fe6d5b57d7cc ufs: add TC G210 platform driver

:::::: TO: Joao Pinto <Joao.Pinto@...opsys.com>
:::::: CC: Martin K. Petersen <martin.petersen@...cle.com>

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp