linux-kernel - [jirislaby:devel 28/30] drivers/tty/mxser.c:1745:30: warning: unused variable 'mxser

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Date:   Mon, 17 Jan 2022 18:30:40 +0800
From:   kernel test robot <lkp@...el.com>
To:     Jiri Slaby <jslaby@...e.cz>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: [jirislaby:devel 28/30] drivers/tty/mxser.c:1745:30: warning: unused
 variable 'mxser_ops'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/jirislaby/linux.git devel
head:   f297a9ec220495933237083fbf2333eca65eb9b4
commit: c2f304d1e4750e106a884544dfd7539b4853edf5 [28/30] mxser: switch to uart_driver
config: arm-randconfig-r003-20220116 (https://download.01.org/0day-ci/archive/20220117/202201171837.2mMV7e7n-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 5f782d25a742302d25ef3c8b84b54f7483c2deb9)
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 arm cross compiling tool for clang build
        # apt-get install binutils-arm-linux-gnueabi
        # https://git.kernel.org/pub/scm/linux/kernel/git/jirislaby/linux.git/commit/?id=c2f304d1e4750e106a884544dfd7539b4853edf5
        git remote add jirislaby https://git.kernel.org/pub/scm/linux/kernel/git/jirislaby/linux.git
        git fetch --no-tags jirislaby devel
        git checkout c2f304d1e4750e106a884544dfd7539b4853edf5
        # 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=arm SHELL=/bin/bash drivers/tty/

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/tty/mxser.c:1745:30: warning: unused variable 'mxser_ops' [-Wunused-const-variable]
   static const struct uart_ops mxser_ops = {
                                ^
   1 warning generated.


vim +/mxser_ops +1745 drivers/tty/mxser.c

  1744	
> 1745	static const struct uart_ops mxser_ops = {
  1746		.tx_empty       = mxser_tx_empty,
  1747		//.get_mctrl      = mxser_get_mctrl,
  1748		//.set_mctrl      = mxser_set_mctrl,
  1749		.stop_tx        = mxser_stop_tx,
  1750		.start_tx       = mxser_start_tx,
  1751		.stop_rx        = mxser_stop_rx,
  1752		.break_ctl      = mxser_break_ctl,
  1753		.startup        = mxser_startup,
  1754		.shutdown       = mxser_shutdown,
  1755		.set_termios    = mxser_set_termios,
  1756		//.pm             = mxser_pm,
  1757		//.type           = mxser_type,
  1758		//.release_port   = mxser_release_port,
  1759		//.request_port   = mxser_request_port,
  1760		//.config_port    = mxser_config_port,
  1761		//.verify_port    = mxser_verify_port,
  1762	};
  1763	
  1764	

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