linux-kernel - drivers/fpga/microchip-spi.c:341:34: warning: unused variable 'mpf_of

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Message-ID: <202202171552.gFz6PXXK-lkp@intel.com>
Date:   Thu, 17 Feb 2022 15:06:09 +0800
From:   kernel test robot <lkp@...el.com>
To:     Ivan Bornyakov <i.bornyakov@...rotek.ru>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org, 0day robot <lkp@...el.com>
Subject: drivers/fpga/microchip-spi.c:341:34: warning: unused variable
 'mpf_of_ids'

tree:   https://github.com/0day-ci/linux/commits/UPDATE-20220217-002021/Ivan-Bornyakov/fpga-microsemi-spi-add-Microsemi-FPGA-manager/20220214-222923
head:   6acf97cc27bd55298cb9d6a365b078b09e2b6acf
commit: 6acf97cc27bd55298cb9d6a365b078b09e2b6acf fpga: microchip-spi: add Microchip FPGA manager
date:   15 hours ago
config: mips-randconfig-r006-20220217 (https://download.01.org/0day-ci/archive/20220217/202202171552.gFz6PXXK-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 0bad7cb56526f2572c74449fcf97c1fcda42b41d)
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 mips cross compiling tool for clang build
        # apt-get install binutils-mips-linux-gnu
        # https://github.com/0day-ci/linux/commit/6acf97cc27bd55298cb9d6a365b078b09e2b6acf
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review UPDATE-20220217-002021/Ivan-Bornyakov/fpga-microsemi-spi-add-Microsemi-FPGA-manager/20220214-222923
        git checkout 6acf97cc27bd55298cb9d6a365b078b09e2b6acf
        # 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=mips SHELL=/bin/bash drivers/fpga/

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/fpga/microchip-spi.c:341:34: warning: unused variable 'mpf_of_ids' [-Wunused-const-variable]
   static const struct of_device_id mpf_of_ids[] = {
                                    ^
   1 warning generated.


vim +/mpf_of_ids +341 drivers/fpga/microchip-spi.c

   340	
 > 341	static const struct of_device_id mpf_of_ids[] = {
   342		{ .compatible = "microchip,mpf-spi-fpga-mgr" },
   343		{},
   344	};
   345	MODULE_DEVICE_TABLE(of, mpf_of_ids);
   346	

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