[djiang:cxl-qtg 7/30] include/linux/acpi.h:1535:49: error: declaration of 'struct acpi_subtable_proc' will not be visible outside of this function

[djiang:cxl-qtg 7/30] include/linux/acpi.h:1535:49: error: declaration of 'struct acpi_subtable_proc' will not be visible outside of this function

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/djiang/linux.git cxl-qtg
head:   fd35584ec7147f575dcdc65239bc8ac7fe340ab4
commit: 216b67abb7e235c9a13ddf78f428cccf11a089f4 [7/30] acpi: move common tables helper functions to common lib
config: powerpc-buildonly-randconfig-r003-20230509 (https://download.01.org/0day-ci/archive/20230512/202305121056.ixgdRdsG-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project b0fb98227c90adf2536c9ad644a74d5e92961111)
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 powerpc cross compiling tool for clang build
        # apt-get install binutils-powerpc-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/djiang/linux.git/commit/?id=216b67abb7e235c9a13ddf78f428cccf11a089f4
        git remote add djiang https://git.kernel.org/pub/scm/linux/kernel/git/djiang/linux.git
        git fetch --no-tags djiang cxl-qtg
        git checkout 216b67abb7e235c9a13ddf78f428cccf11a089f4
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=powerpc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash arch/powerpc/kernel/ drivers/hid/i2c-hid/

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/202305121056.ixgdRdsG-lkp@intel.com/

All error/warnings (new ones prefixed by >>):

   In file included from arch/powerpc/kernel/traps.c:32:
   In file included from include/linux/backlight.h:13:
   In file included from include/linux/fb.h:7:
   In file included from include/uapi/linux/fb.h:6:
   In file included from include/linux/i2c.h:13:
>> include/linux/acpi.h:1535:49: error: declaration of 'struct acpi_subtable_proc' will not be visible outside of this function [-Werror,-Wvisibility]
           struct acpi_table_header *table_header, struct acpi_subtable_proc *proc,
                                                          ^
   arch/powerpc/kernel/traps.c:1440:5: error: no previous prototype for function 'is_valid_bugaddr' [-Werror,-Wmissing-prototypes]
   int is_valid_bugaddr(unsigned long addr)
       ^
   arch/powerpc/kernel/traps.c:1440:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int is_valid_bugaddr(unsigned long addr)
   ^
   static 
   2 errors generated.
--
   In file included from drivers/hid/i2c-hid/i2c-hid-core.c:22:
   In file included from include/linux/i2c.h:13:
>> include/linux/acpi.h:1535:49: warning: declaration of 'struct acpi_subtable_proc' will not be visible outside of this function [-Wvisibility]
           struct acpi_table_header *table_header, struct acpi_subtable_proc *proc,
                                                          ^
   1 warning generated.


vim +1535 include/linux/acpi.h

  1526	
  1527	#ifdef CONFIG_ACPI_TABLES_LIB
  1528	int __init_or_acpilib acpi_parse_entries_array(
  1529		char *id, unsigned long table_size,
  1530		struct acpi_table_header *table_header, struct acpi_subtable_proc *proc,
  1531		int proc_num, unsigned int max_entries);
  1532	#else
  1533	static inline int acpi_parse_entries_array(
  1534		char *id, unsigned long table_size,
> 1535		struct acpi_table_header *table_header, struct acpi_subtable_proc *proc,
  1536		int proc_num, unsigned int max_entries)
  1537	{
  1538		return -EOPNOTSUPP;
  1539	}
  1540	#endif
  1541	

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https://github.com/intel/lkp-tests