[wens:mtk-wip 45/45] drivers/platform/chrome/chromeos_of_hw_prober.c:207:45: warning: 'chromeos_i2c_probe_hana_trackpad' defined but not used

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

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/wens/linux.git mtk-wip
head:   42c21929aeb3c7ca7b0ce9cacb1d0ff915d3c783
commit: 42c21929aeb3c7ca7b0ce9cacb1d0ff915d3c783 [45/45] hana trackpad probe rework
config: i386-allmodconfig (https://download.01.org/0day-ci/archive/20240914/202409141358.A1eSxMVB-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240914/202409141358.A1eSxMVB-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/202409141358.A1eSxMVB-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/platform/chrome/chromeos_of_hw_prober.c: In function 'chromeos_sku_component_selector':
   drivers/platform/chrome/chromeos_of_hw_prober.c:102:16: error: cleanup argument not a function
     102 |         struct of_changeset *ocs __free(kfree) = kzalloc(sizeof(*ocs), GFP_KERNEL);
         |                ^~~~~~~~~~~~
   drivers/platform/chrome/chromeos_of_hw_prober.c:102:50: error: implicit declaration of function 'kzalloc' [-Werror=implicit-function-declaration]
     102 |         struct of_changeset *ocs __free(kfree) = kzalloc(sizeof(*ocs), GFP_KERNEL);
         |                                                  ^~~~~~~
   drivers/platform/chrome/chromeos_of_hw_prober.c:102:50: warning: initialization of 'struct of_changeset *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
   drivers/platform/chrome/chromeos_of_hw_prober.c: At top level:
>> drivers/platform/chrome/chromeos_of_hw_prober.c:207:45: warning: 'chromeos_i2c_probe_hana_trackpad' defined but not used [-Wunused-const-variable=]
     207 | static const struct chromeos_i2c_probe_data chromeos_i2c_probe_hana_trackpad = {
         |                                             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/platform/chrome/chromeos_of_hw_prober.c:197:38: warning: 'chromeos_i2c_probe_simple_trackpad_cfg' defined but not used [-Wunused-const-variable=]
     197 | static const struct i2c_of_probe_cfg chromeos_i2c_probe_simple_trackpad_cfg = {
         |                                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for GET_FREE_REGION
   Depends on [n]: SPARSEMEM [=n]
   Selected by [m]:
   - RESOURCE_KUNIT_TEST [=m] && RUNTIME_TESTING_MENU [=y] && KUNIT [=m]
   WARNING: unmet direct dependencies detected for OMAP2PLUS_MBOX
   Depends on [n]: MAILBOX [=y] && (ARCH_OMAP2PLUS || ARCH_K3)
   Selected by [m]:
   - TI_K3_M4_REMOTEPROC [=m] && REMOTEPROC [=y] && (ARCH_K3 || COMPILE_TEST [=y])


vim +/chromeos_i2c_probe_hana_trackpad +207 drivers/platform/chrome/chromeos_of_hw_prober.c

   196	
 > 197	static const struct i2c_of_probe_cfg chromeos_i2c_probe_simple_trackpad_cfg = {
   198		.ops = &i2c_of_probe_simple_ops,
   199		.type = "trackpad"
   200	};
   201	
   202	static const struct i2c_of_probe_cfg chromeos_i2c_probe_simple_touchscreen_cfg = {
   203		.ops = &i2c_of_probe_simple_ops,
   204		.type = "touchscreen"
   205	};
   206	
 > 207	static const struct chromeos_i2c_probe_data chromeos_i2c_probe_hana_trackpad = {
   208		.cfg = &chromeos_i2c_probe_simple_touchscreen_cfg,
   209		.opts = &(const struct i2c_of_probe_simple_opts) {
   210			.res_node_compatible = "elan,ekth3000",
   211			.supply_name = "vcc",
   212			.post_power_on_delay_ms = 1,
   213		}
   214	};
   215	

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