linux-kernel - Re: [PATCH 1/2] gnss: ubx: customize serial device open to set U-Blox Zed-F9P baud

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Date:   Sun, 30 Apr 2023 08:20:11 +0800
From:   kernel test robot <lkp@...el.com>
To:     alison@...-devel.com, johan@...nel.org
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        alison@...-devel.com, achaiken@...ora.tech
Subject: Re: [PATCH 1/2] gnss: ubx: customize serial device open to set
 U-Blox Zed-F9P baud

Hi,

kernel test robot noticed the following build warnings:

[auto build test WARNING on robh/for-next]
[also build test WARNING on linus/master v6.3 next-20230428]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/alison-she-devel-com/gnss-ubx-customize-serial-device-open-to-set-U-Blox-Zed-F9P-baud/20230430-065242
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
patch link:    https://lore.kernel.org/r/20230429224349.1935029-2-alison%40she-devel.com
patch subject: [PATCH 1/2] gnss: ubx: customize serial device open to set U-Blox Zed-F9P baud
config: i386-randconfig-a001 (https://download.01.org/0day-ci/archive/20230430/202304300819.u0hfUj33-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/743f5061f999abbdc0b6f366cf4b85a5a8685014
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review alison-she-devel-com/gnss-ubx-customize-serial-device-open-to-set-U-Blox-Zed-F9P-baud/20230430-065242
        git checkout 743f5061f999abbdc0b6f366cf4b85a5a8685014
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 olddefconfig
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/gnss/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304300819.u0hfUj33-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/gnss/ubx.c:246:37: warning: 'ubx_gserial_ops' defined but not used [-Wunused-const-variable=]
     246 | static const struct gnss_serial_ops ubx_gserial_ops = {
         |                                     ^~~~~~~~~~~~~~~


vim +/ubx_gserial_ops +246 drivers/gnss/ubx.c

1ad69f10e3a58d Johan Hovold   2018-06-01  245  
55570f1a441787 Colin Ian King 2018-07-16 @246  static const struct gnss_serial_ops ubx_gserial_ops = {
1ad69f10e3a58d Johan Hovold   2018-06-01  247  	.set_power = ubx_set_power,
1ad69f10e3a58d Johan Hovold   2018-06-01  248  };
1ad69f10e3a58d Johan Hovold   2018-06-01  249  

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests