linux-kernel - drivers/net/dsa/microchip/ksz9477_i2c.c:89:34: warning: unused variable 'ksz9477_dt

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Message-ID: <202210240310.poUJPzZM-lkp@intel.com>
Date:   Mon, 24 Oct 2022 03:29:19 +0800
From:   kernel test robot <lkp@...el.com>
To:     Arun Ramadoss <arun.ramadoss@...rochip.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: drivers/net/dsa/microchip/ksz9477_i2c.c:89:34: warning: unused
 variable 'ksz9477_dt_ids'

Hi Arun,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   a70385240892bcbc6442b054e847c74100e72f1a
commit: 07bca160469b4d19ca0a35bc83b26ed18fcbd96d net: dsa: microchip: common menuconfig for ksz series switch
date:   4 months ago
config: x86_64-randconfig-a001-20221024
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=07bca160469b4d19ca0a35bc83b26ed18fcbd96d
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 07bca160469b4d19ca0a35bc83b26ed18fcbd96d
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/net/dsa/microchip/

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

All warnings (new ones prefixed by >>):

>> drivers/net/dsa/microchip/ksz9477_i2c.c:89:34: warning: unused variable 'ksz9477_dt_ids' [-Wunused-const-variable]
   static const struct of_device_id ksz9477_dt_ids[] = {
                                    ^
   1 warning generated.


vim +/ksz9477_dt_ids +89 drivers/net/dsa/microchip/ksz9477_i2c.c

20e03777d70923 Tristram Ha   2019-09-10   88  
20e03777d70923 Tristram Ha   2019-09-10  @89  static const struct of_device_id ksz9477_dt_ids[] = {
eee16b147121ce Arun Ramadoss 2022-05-17   90  	{
eee16b147121ce Arun Ramadoss 2022-05-17   91  		.compatible = "microchip,ksz9477",
eee16b147121ce Arun Ramadoss 2022-05-17   92  		.data = &ksz_switch_chips[KSZ9477]
eee16b147121ce Arun Ramadoss 2022-05-17   93  	},
eee16b147121ce Arun Ramadoss 2022-05-17   94  	{
eee16b147121ce Arun Ramadoss 2022-05-17   95  		.compatible = "microchip,ksz9897",
eee16b147121ce Arun Ramadoss 2022-05-17   96  		.data = &ksz_switch_chips[KSZ9897]
eee16b147121ce Arun Ramadoss 2022-05-17   97  	},
eee16b147121ce Arun Ramadoss 2022-05-17   98  	{
eee16b147121ce Arun Ramadoss 2022-05-17   99  		.compatible = "microchip,ksz9893",
eee16b147121ce Arun Ramadoss 2022-05-17  100  		.data = &ksz_switch_chips[KSZ9893]
eee16b147121ce Arun Ramadoss 2022-05-17  101  	},
eee16b147121ce Arun Ramadoss 2022-05-17  102  	{
eee16b147121ce Arun Ramadoss 2022-05-17  103  		.compatible = "microchip,ksz9563",
eee16b147121ce Arun Ramadoss 2022-05-17  104  		.data = &ksz_switch_chips[KSZ9893]
eee16b147121ce Arun Ramadoss 2022-05-17  105  	},
eee16b147121ce Arun Ramadoss 2022-05-17  106  	{
eee16b147121ce Arun Ramadoss 2022-05-17  107  		.compatible = "microchip,ksz8563",
eee16b147121ce Arun Ramadoss 2022-05-17  108  		.data = &ksz_switch_chips[KSZ9893]
eee16b147121ce Arun Ramadoss 2022-05-17  109  	},
eee16b147121ce Arun Ramadoss 2022-05-17  110  	{
eee16b147121ce Arun Ramadoss 2022-05-17  111  		.compatible = "microchip,ksz9567",
eee16b147121ce Arun Ramadoss 2022-05-17  112  		.data = &ksz_switch_chips[KSZ9567]
eee16b147121ce Arun Ramadoss 2022-05-17  113  	},
20e03777d70923 Tristram Ha   2019-09-10  114  	{},
20e03777d70923 Tristram Ha   2019-09-10  115  };
20e03777d70923 Tristram Ha   2019-09-10  116  MODULE_DEVICE_TABLE(of, ksz9477_dt_ids);
20e03777d70923 Tristram Ha   2019-09-10  117  

:::::: The code at line 89 was first introduced by commit
:::::: 20e03777d70923fe7eae0d7f043ef9488393ab95 net: dsa: microchip: add KSZ9477 I2C driver

:::::: TO: Tristram Ha <Tristram.Ha@...rochip.com>
:::::: CC: David S. Miller <davem@...emloft.net>

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

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