[android-common:android11-kiwi-5.4 458/458] drivers/of/unittest.c:131:31: warning: 'unittest_gpio_driver' defined but not used

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

Hi Frank,

FYI, the error/warning still remains.

tree:   https://android.googlesource.com/kernel/common android11-kiwi-5.4
head:   8cc11e1aa30fd981a8d5bd390a4352c37dfe543e
commit: f6997a2416b028f369af5b859e4115fa6f56e4d5 [458/458] of: unittest: add overlay gpio test to catch gpio hog problem
config: arm64-randconfig-r073-20251216 (https://download.01.org/0day-ci/archive/20251222/202512222151.17DigM2T-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251222/202512222151.17DigM2T-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/202512222151.17DigM2T-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/of/unittest.c:131:31: warning: 'unittest_gpio_driver' defined but not used [-Wunused-variable]
     131 | static struct platform_driver unittest_gpio_driver = {
         |                               ^~~~~~~~~~~~~~~~~~~~


vim +/unittest_gpio_driver +131 drivers/of/unittest.c

   130	
 > 131	static struct platform_driver unittest_gpio_driver = {
   132		.probe	= unittest_gpio_probe,
   133		.remove	= unittest_gpio_remove,
   134		.driver	= {
   135			.name		= "unittest-gpio",
   136			.of_match_table	= of_match_ptr(unittest_gpio_id),
   137		},
   138	};
   139	

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