[jsarha:topic/cros-sof-v4.19 58/6555] drivers/input/misc/gpio_axis.c:28:10: sparse: sparse: symbol 'gpio_axis_4bit_gray_map_table' was not declared. Should it be static?

[kernel test robot <lkp@intel.com>]

tree:   https://github.com/jsarha/linux topic/cros-sof-v4.19
head:   d7a3e91d8d16d1ef8653deec5a1fffc4de034a0c
commit: 67d0f63b5a28037a7bcb777d9fb1e80f6e760ccc [58/6555] ANDROID: input: Generic GPIO Input devices
config: sparc64-randconfig-s041-20230606 (https://download.01.org/0day-ci/archive/20230606/202306061552.eTujUZ3J-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 12.3.0
reproduce:
        mkdir -p ~/bin
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # https://github.com/jsarha/linux/commit/67d0f63b5a28037a7bcb777d9fb1e80f6e760ccc
        git remote add jsarha https://github.com/jsarha/linux
        git fetch --no-tags jsarha topic/cros-sof-v4.19
        git checkout 67d0f63b5a28037a7bcb777d9fb1e80f6e760ccc
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=sparc64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=sparc64 SHELL=/bin/bash drivers/input/misc/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306061552.eTujUZ3J-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/input/misc/gpio_axis.c:28:10: sparse: sparse: symbol 'gpio_axis_4bit_gray_map_table' was not declared. Should it be static?
>> drivers/input/misc/gpio_axis.c:43:10: sparse: sparse: symbol 'gpio_axis_5bit_singletrack_map_table' was not declared. Should it be static?

vim +/gpio_axis_4bit_gray_map_table +28 drivers/input/misc/gpio_axis.c

    27	
  > 28	uint16_t gpio_axis_4bit_gray_map_table[] = {
    29		[0x0] = 0x0, [0x1] = 0x1, /* 0000 0001 */
    30		[0x3] = 0x2, [0x2] = 0x3, /* 0011 0010 */
    31		[0x6] = 0x4, [0x7] = 0x5, /* 0110 0111 */
    32		[0x5] = 0x6, [0x4] = 0x7, /* 0101 0100 */
    33		[0xc] = 0x8, [0xd] = 0x9, /* 1100 1101 */
    34		[0xf] = 0xa, [0xe] = 0xb, /* 1111 1110 */
    35		[0xa] = 0xc, [0xb] = 0xd, /* 1010 1011 */
    36		[0x9] = 0xe, [0x8] = 0xf, /* 1001 1000 */
    37	};
    38	uint16_t gpio_axis_4bit_gray_map(struct gpio_event_axis_info *info, uint16_t in)
    39	{
    40		return gpio_axis_4bit_gray_map_table[in];
    41	}
    42	
  > 43	uint16_t gpio_axis_5bit_singletrack_map_table[] = {
    44		[0x10] = 0x00, [0x14] = 0x01, [0x1c] = 0x02, /*     10000 10100 11100 */
    45		[0x1e] = 0x03, [0x1a] = 0x04, [0x18] = 0x05, /*     11110 11010 11000 */
    46		[0x08] = 0x06, [0x0a] = 0x07, [0x0e] = 0x08, /*    01000 01010 01110  */
    47		[0x0f] = 0x09, [0x0d] = 0x0a, [0x0c] = 0x0b, /*    01111 01101 01100  */
    48		[0x04] = 0x0c, [0x05] = 0x0d, [0x07] = 0x0e, /*   00100 00101 00111   */
    49		[0x17] = 0x0f, [0x16] = 0x10, [0x06] = 0x11, /*   10111 10110 00110   */
    50		[0x02] = 0x12, [0x12] = 0x13, [0x13] = 0x14, /*  00010 10010 10011    */
    51		[0x1b] = 0x15, [0x0b] = 0x16, [0x03] = 0x17, /*  11011 01011 00011    */
    52		[0x01] = 0x18, [0x09] = 0x19, [0x19] = 0x1a, /* 00001 01001 11001     */
    53		[0x1d] = 0x1b, [0x15] = 0x1c, [0x11] = 0x1d, /* 11101 10101 10001     */
    54	};
    55	uint16_t gpio_axis_5bit_singletrack_map(
    56		struct gpio_event_axis_info *info, uint16_t in)
    57	{
    58		return gpio_axis_5bit_singletrack_map_table[in];
    59	}
    60	

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