linux-kernel - drivers/iio/gyro/bmg160_i2c.c:41:36: warning: 'bmg160_acpi

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Message-ID: <202312102310.LXEzAWcy-lkp@intel.com>
Date:   Sun, 10 Dec 2023 23:35:24 +0800
From:   kernel test robot <lkp@...el.com>
To:     Markus Pargmann <mpa@...gutronix.de>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Jonathan Cameron <jic23@...nel.org>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
Subject: drivers/iio/gyro/bmg160_i2c.c:41:36: warning: 'bmg160_acpi_match'
 defined but not used

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   c527f5606aa545233a4d2c6d5c636ed82b8633ef
commit: 13426454b6493a847cebe276fb1ec3a7f1d48d0e iio: bmg160: Separate i2c and core driver
date:   8 years ago
config: m68k-randconfig-c031-20230421 (https://download.01.org/0day-ci/archive/20231210/202312102310.LXEzAWcy-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20231210/202312102310.LXEzAWcy-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312102310.LXEzAWcy-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from include/linux/kernel.h:11,
                    from include/linux/list.h:8,
                    from include/linux/kobject.h:20,
                    from include/linux/device.h:17,
                    from include/linux/i2c.h:30,
                    from drivers/iio/gyro/bmg160_i2c.c:1:
   include/linux/log2.h:22:1: warning: ignoring attribute 'noreturn' because it conflicts with attribute 'const' [-Wattributes]
      22 | int ____ilog2_NaN(void);
         | ^~~
>> drivers/iio/gyro/bmg160_i2c.c:41:36: warning: 'bmg160_acpi_match' defined but not used [-Wunused-const-variable=]
      41 | static const struct acpi_device_id bmg160_acpi_match[] = {
         |                                    ^~~~~~~~~~~~~~~~~


vim +/bmg160_acpi_match +41 drivers/iio/gyro/bmg160_i2c.c

    40	
  > 41	static const struct acpi_device_id bmg160_acpi_match[] = {
    42		{"BMG0160", 0},
    43		{"BMI055B", 0},
    44		{},
    45	};
    46	

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