[hid:for-7.1/lenovo 13/16] drivers/hid/hid-lenovo-go-s.c:795:21: sparse: sparse: symbol 'touchpad_linux_mode' was not declared. Should it be static?

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

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git for-7.1/lenovo
head:   d2c424e80caf8237bda4c94bc2e25398967243f9
commit: f3ac4e11aaf3cd334d7f2cb205851bd157a2535f [13/16] HID: hid-lenovo-go-s: Add Touchpad Mode Attributes
config: arc-randconfig-r113-20260307 (https://download.01.org/0day-ci/archive/20260308/202603081041.UgxXYvsF-lkp@intel.com/config)
compiler: arc-linux-gcc (GCC) 13.4.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260308/202603081041.UgxXYvsF-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202603081041.UgxXYvsF-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
   drivers/hid/hid-lenovo-go-s.c:447:72: sparse: sparse: Using plain integer as NULL pointer
   drivers/hid/hid-lenovo-go-s.c:619:67: sparse: sparse: Using plain integer as NULL pointer
   drivers/hid/hid-lenovo-go-s.c:713:21: sparse: sparse: symbol 'gamepad_poll_rate' was not declared. Should it be static?
   drivers/hid/hid-lenovo-go-s.c:739:21: sparse: sparse: symbol 'imu_sensor_enabled' was not declared. Should it be static?
   drivers/hid/hid-lenovo-go-s.c:775:21: sparse: sparse: symbol 'mouse_wheel_step' was not declared. Should it be static?
>> drivers/hid/hid-lenovo-go-s.c:795:21: sparse: sparse: symbol 'touchpad_linux_mode' was not declared. Should it be static?
>> drivers/hid/hid-lenovo-go-s.c:799:21: sparse: sparse: symbol 'touchpad_windows_mode' was not declared. Should it be static?
   drivers/hid/hid-lenovo-go-s.c:832:72: sparse: sparse: Using plain integer as NULL pointer
   drivers/hid/hid-lenovo-go-s.c:839:73: sparse: sparse: Using plain integer as NULL pointer
   drivers/hid/hid-lenovo-go-s.c:448:21: sparse: sparse: unsigned value that used to be signed checked against zero?
   drivers/hid/hid-lenovo-go-s.c:447:33: sparse: signed value source

vim +/touchpad_linux_mode +795 drivers/hid/hid-lenovo-go-s.c

   794	
 > 795	struct gos_cfg_attr touchpad_linux_mode = { CFG_LINUX_MODE };
   796	LEGOS_DEVICE_ATTR_RW(touchpad_linux_mode, "linux_mode", index, touchpad);
   797	static DEVICE_ATTR_RO_NAMED(touchpad_linux_mode_index, "linux_mode_index");
   798	
 > 799	struct gos_cfg_attr touchpad_windows_mode = { CFG_WINDOWS_MODE };
   800	LEGOS_DEVICE_ATTR_RW(touchpad_windows_mode, "windows_mode", index, touchpad);
   801	static DEVICE_ATTR_RO_NAMED(touchpad_windows_mode_index, "windows_mode_index");
   802	

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