linux-kernel - drivers/clk/imx/clk-imx8mp.c:757:34: warning: unused variable 'imx8mp_clk_of

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Message-ID: <202011020839.5clpFRuZ-lkp@intel.com>
Date:   Mon, 2 Nov 2020 08:50:44 +0800
From:   kernel test robot <lkp@...el.com>
To:     Anson Huang <Anson.Huang@....com>
Cc:     kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
        linux-kernel@...r.kernel.org, Shawn Guo <shawnguo@...nel.org>,
        Dong Aisheng <aisheng.dong@....com>,
        Stephen Boyd <sboyd@...nel.org>
Subject: drivers/clk/imx/clk-imx8mp.c:757:34: warning: unused variable
 'imx8mp_clk_of_match'

Hi Anson,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   3cea11cd5e3b00d91caf0b4730194039b45c5891
commit: 9a976cd278eafa496ce30196810ef2e879a4a7d5 clk: imx8m: Support module build
date:   2 months ago
config: x86_64-randconfig-a005-20201102 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 235dfcf70abca65dba5d80f1a42d1485bab8980c)
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
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9a976cd278eafa496ce30196810ef2e879a4a7d5
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 9a976cd278eafa496ce30196810ef2e879a4a7d5
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

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/clk/imx/clk-imx8mp.c:757:34: warning: unused variable 'imx8mp_clk_of_match' [-Wunused-const-variable]
   static const struct of_device_id imx8mp_clk_of_match[] = {
                                    ^
   1 warning generated.

vim +/imx8mp_clk_of_match +757 drivers/clk/imx/clk-imx8mp.c

9c140d9926761b Anson Huang 2020-01-08  756  
9c140d9926761b Anson Huang 2020-01-08 @757  static const struct of_device_id imx8mp_clk_of_match[] = {
9c140d9926761b Anson Huang 2020-01-08  758  	{ .compatible = "fsl,imx8mp-ccm" },
9c140d9926761b Anson Huang 2020-01-08  759  	{ /* Sentinel */ }
9c140d9926761b Anson Huang 2020-01-08  760  };
9c140d9926761b Anson Huang 2020-01-08  761  MODULE_DEVICE_TABLE(of, imx8mp_clk_of_match);
9c140d9926761b Anson Huang 2020-01-08  762  

:::::: The code at line 757 was first introduced by commit
:::::: 9c140d9926761b0f5d329ff6c09a1540f3d5e1d3 clk: imx: Add support for i.MX8MP clock driver

:::::: TO: Anson Huang <Anson.Huang@....com>
:::::: CC: Shawn Guo <shawnguo@...nel.org>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (44164 bytes)