[ardb:efi-remove-mixed-mode 22/30] arch/x86/platform/efi/efi.c:883:7: warning: no previous prototype for 'efi_systab_show_arch'

[ardb:efi-remove-mixed-mode 22/30] arch/x86/platform/efi/efi.c:883:7: warning: no previous prototype for 'efi_systab_show_arch'

[kernel test robot]

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git efi-remove-mixed-mode
head:   cd57f70012e67876ab331fb83fd05670727e44d1
commit: 7273d530e9395955b89a59ed682253dacbce7b7a [22/30] x86: efi: Drop UGA support
config: x86_64-randconfig-a011 (https://download.01.org/0day-ci/archive/20230513/202305131057.FdbNTmQB-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git/commit/?id=7273d530e9395955b89a59ed682253dacbce7b7a
        git remote add ardb git://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git
        git fetch --no-tags ardb efi-remove-mixed-mode
        git checkout 7273d530e9395955b89a59ed682253dacbce7b7a
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 olddefconfig
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/platform/efi/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202305131057.FdbNTmQB-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> arch/x86/platform/efi/efi.c:883:7: warning: no previous prototype for 'efi_systab_show_arch' [-Wmissing-prototypes]
     883 | char *efi_systab_show_arch(char *str)
         |       ^~~~~~~~~~~~~~~~~~~~
   arch/x86/platform/efi/efi.c:905:9: warning: no previous prototype for 'efi_attr_is_visible' [-Wmissing-prototypes]
     905 | umode_t efi_attr_is_visible(struct kobject *kobj, struct attribute *attr, int n)
         |         ^~~~~~~~~~~~~~~~~~~


vim +/efi_systab_show_arch +883 arch/x86/platform/efi/efi.c

fd506e0cf9fd430 Ard Biesheuvel 2020-01-19  882  
fd506e0cf9fd430 Ard Biesheuvel 2020-01-19 @883  char *efi_systab_show_arch(char *str)
fd506e0cf9fd430 Ard Biesheuvel 2020-01-19  884  {
fd506e0cf9fd430 Ard Biesheuvel 2020-01-19  885  	return str;
fd506e0cf9fd430 Ard Biesheuvel 2020-01-19  886  }
9cd437ac0ef4f32 Ard Biesheuvel 2020-01-20  887  

:::::: The code at line 883 was first introduced by commit
:::::: fd506e0cf9fd4306aa0eb57cbff5f00514da8179 efi: Move UGA and PROP table handling to x86 code

:::::: TO: Ard Biesheuvel <ardb@kernel.org>
:::::: CC: Ard Biesheuvel <ardb@kernel.org>

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