[morse:mpam/snapshot/v5.16 84/137] drivers/acpi/arm64/mpam.c:244:12: warning: no previous prototype for 'acpi_mpam_parse'

[morse:mpam/snapshot/v5.16 84/137] drivers/acpi/arm64/mpam.c:244:12: warning: no previous prototype for 'acpi_mpam_parse'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/morse/linux.git mpam/snapshot/v5.16
head:   364c1c42b229912132e1615c2ce15be7154e2156
commit: b841feb1820b7008977aa2684994b5debe450b18 [84/137] ACPI / MPAM: Parse the MPAM table
config: arm64-allyesconfig (https://download.01.org/0day-ci/archive/20220126/202201261729.TYtOlqcK-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 11.2.0
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
        # https://git.kernel.org/pub/scm/linux/kernel/git/morse/linux.git/commit/?id=b841feb1820b7008977aa2684994b5debe450b18
        git remote add morse https://git.kernel.org/pub/scm/linux/kernel/git/morse/linux.git
        git fetch --no-tags morse mpam/snapshot/v5.16
        git checkout b841feb1820b7008977aa2684994b5debe450b18
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/acpi/arm64/ drivers/platform/

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

All warnings (new ones prefixed by >>):

>> drivers/acpi/arm64/mpam.c:244:12: warning: no previous prototype for 'acpi_mpam_parse' [-Wmissing-prototypes]
     244 | int __init acpi_mpam_parse(void)
         |            ^~~~~~~~~~~~~~~


vim +/acpi_mpam_parse +244 drivers/acpi/arm64/mpam.c

   243	
 > 244	int __init acpi_mpam_parse(void)
   245	{
   246		struct acpi_table_header *mpam;
   247		acpi_status status;
   248		int err;
   249	
   250		if (acpi_disabled || !mpam_cpus_have_feature())
   251			return 0;
   252	
   253		status = acpi_get_table(ACPI_SIG_MPAM, 0, &mpam);
   254		if (ACPI_FAILURE(status))
   255			return -ENOENT;
   256	
   257		err = _parse_table(mpam);
   258		acpi_put_table(mpam);
   259	
   260		return err;
   261	}
   262	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org