tree:   https://github.com/ammarfaizi2/linux-block tglx/devel/devmsi-arm
head:   fbc474905cdc25aeda46be5b76280d24cb51839a
commit: 79d9dbf7ec99e34f936f93bb1cb4f75ca12df5de [113/127] irqchip/gic-v3-its: Switch platform MSI to MSI parent
config: arm64-buildonly-randconfig-r003-20221113
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 463da45892e2d2a262277b91b96f5f8c05dc25d0)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://github.com/ammarfaizi2/linux-block/commit/79d9dbf7ec99e34f936f93bb1cb4f75ca12df5de
        git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
        git fetch --no-tags ammarfaizi2-block tglx/devel/devmsi-arm
        git checkout 79d9dbf7ec99e34f936f93bb1cb4f75ca12df5de
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/irqchip/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> drivers/irqchip/irq-gic-v3-its-msi-parent.c:110:12: warning: no previous prototype for function 'iort_pmsi_get_dev_id' [-Wmissing-prototypes]
   int __weak iort_pmsi_get_dev_id(struct device *dev, u32 *dev_id)
              ^
   drivers/irqchip/irq-gic-v3-its-msi-parent.c:110:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int __weak iort_pmsi_get_dev_id(struct device *dev, u32 *dev_id)
   ^
   static 
   1 warning generated.


vim +/iort_pmsi_get_dev_id +110 drivers/irqchip/irq-gic-v3-its-msi-parent.c

   109	
 > 110	int __weak iort_pmsi_get_dev_id(struct device *dev, u32 *dev_id)
   111	{
   112		return -1;
   113	}
   114	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp