[PATCH v2 2/3] irqchip: Add the Sophgo SG2042 MSI interrupt controller

[kernel test robot]

Hi Chen,

kernel test robot noticed the following build warnings:

[auto build test WARNING on fac04efc5c793dccbd07e2d59af9f90b7fc0dca4]

url:    https://github.com/intel-lab-lkp/linux/commits/Chen-Wang/dt-bindings-interrupt-controller-Add-Sophgo-SG2042-MSI/20241209-151429
base:   fac04efc5c793dccbd07e2d59af9f90b7fc0dca4
patch link:    https://lore.kernel.org/r/c882fe329932409131be76ce47b81a6155595ce4.1733726057.git.unicorn_wang%40outlook.com
patch subject: [PATCH v2 2/3] irqchip: Add the Sophgo SG2042 MSI interrupt controller
config: alpha-randconfig-r063-20241211 (https://download.01.org/0day-ci/archive/20241211/202412110221.35ohPaia-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241211/202412110221.35ohPaia-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 at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202412110221.35ohPaia-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/irqchip/irq-sg2042-msi.c:273:34: warning: 'sg2042_msi_of_match' defined but not used [-Wunused-const-variable=]
     273 | static const struct of_device_id sg2042_msi_of_match[] = {
         |                                  ^~~~~~~~~~~~~~~~~~~


vim +/sg2042_msi_of_match +273 drivers/irqchip/irq-sg2042-msi.c

   272	
 > 273	static const struct of_device_id sg2042_msi_of_match[] = {
   274		{ .compatible	= "sophgo,sg2042-msi" },
   275		{}
   276	};
   277	

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