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From: kernel test robot <lkp@intel.com>
To: Jiri Slaby <jslaby@suse.cz>
Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org,
	linux-kernel@vger.kernel.org
Subject: [jirislaby:devel 8/19] drivers/tty/mxser.c:1784:30: warning: unused variable 'mxser_ops'
Date: Wed, 8 Dec 2021 23:53:32 +0800	[thread overview]
Message-ID: <202112082345.v46Z3TI4-lkp@intel.com> (raw)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/jirislaby/linux.git devel
head:   e07aaf938405b723f435206c00fcc50a11a70399
commit: f22cec00dbd414f61389ec805a29e70e55b9d84a [8/19] mxser: switch to uart_driver
config: i386-buildonly-randconfig-r002-20211208 (https://download.01.org/0day-ci/archive/20211208/202112082345.v46Z3TI4-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 097a1cb1d5ebb3a0ec4bcaed8ba3ff6a8e33c00a)
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/jirislaby/linux.git/commit/?id=f22cec00dbd414f61389ec805a29e70e55b9d84a
        git remote add jirislaby https://git.kernel.org/pub/scm/linux/kernel/git/jirislaby/linux.git
        git fetch --no-tags jirislaby devel
        git checkout f22cec00dbd414f61389ec805a29e70e55b9d84a
        # 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=i386 SHELL=/bin/bash drivers/tty/

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

All warnings (new ones prefixed by >>):

   drivers/tty/mxser.c:377:13: warning: unused function 'mxser_must_no_sw_flow_control' [-Wunused-function]
   static void mxser_must_no_sw_flow_control(unsigned long baseio)
               ^
   drivers/tty/mxser.c:591:13: warning: unused function 'mxser_change_speed' [-Wunused-function]
   static void mxser_change_speed(struct tty_struct *tty,
               ^
   drivers/tty/mxser.c:1394:13: warning: unused function 'mxser_start' [-Wunused-function]
   static void mxser_start(struct tty_struct *tty)
               ^
>> drivers/tty/mxser.c:1784:30: warning: unused variable 'mxser_ops' [-Wunused-const-variable]
   static const struct uart_ops mxser_ops = {
                                ^
   4 warnings generated.


vim +/mxser_ops +1784 drivers/tty/mxser.c

  1783	
> 1784	static const struct uart_ops mxser_ops = {
  1785		.tx_empty       = mxser_tx_empty,
  1786		//.get_mctrl      = mxser_get_mctrl,
  1787		//.set_mctrl      = mxser_set_mctrl,
  1788		.stop_tx        = mxser_stop_tx,
  1789		.start_tx       = mxser_start_tx,
  1790		.stop_rx        = mxser_stop_rx,
  1791		.break_ctl      = mxser_break_ctl,
  1792		//.startup        = mxser_startup,
  1793		//.shutdown       = mxser_shutdown,
  1794		.set_termios    = mxser_set_termios,
  1795		//.pm             = mxser_pm,
  1796		//.type           = mxser_type,
  1797		//.release_port   = mxser_release_port,
  1798		//.request_port   = mxser_request_port,
  1799		//.config_port    = mxser_config_port,
  1800		//.verify_port    = mxser_verify_port,
  1801	};
  1802	
  1803	

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

                 reply	other threads:[~2021-12-08 15:53 UTC|newest]

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