Re: [PATCH 2/5] PCI: sg2042: Add Sophgo SG2042 PCIe driver

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

Hi Chen,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 2d5404caa8c7bb5c4e0435f94b28834ae5456623]

url:    https://github.com/intel-lab-lkp/linux/commits/Chen-Wang/dt-bindings-pci-Add-Sophgo-SG2042-PCIe-host/20241111-140237
base:   2d5404caa8c7bb5c4e0435f94b28834ae5456623
patch link:    https://lore.kernel.org/r/5051f2375ff6218e7d44ce0c298efd5f9ee56964.1731303328.git.unicorn_wang%40outlook.com
patch subject: [PATCH 2/5] PCI: sg2042: Add Sophgo SG2042 PCIe driver
config: um-allyesconfig (https://download.01.org/0day-ci/archive/20241111/202411111935.kqORCWuE-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/20241111/202411111935.kqORCWuE-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/202411111935.kqORCWuE-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/pci/controller/cadence/pcie-sg2042.c:141:12: warning: 'sg2042_pcie_msi_irq_set_affinity' defined but not used [-Wunused-function]
     141 | static int sg2042_pcie_msi_irq_set_affinity(struct irq_data *d,
         |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/sg2042_pcie_msi_irq_set_affinity +141 drivers/pci/controller/cadence/pcie-sg2042.c

   140	
 > 141	static int sg2042_pcie_msi_irq_set_affinity(struct irq_data *d,
   142						    const struct cpumask *mask,
   143						    bool force)
   144	{
   145		if (d->parent_data)
   146			return irq_chip_set_affinity_parent(d, mask, force);
   147	
   148		return -EINVAL;
   149	}
   150	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki