linux-kernel - arch/sparc/kernel/traps_64.c:2839:13: error: no previous prototype for 'trap

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Date:   Wed, 17 May 2023 16:15:08 +0800
From:   kernel test robot <lkp@...el.com>
To:     Rob Herring <robh@...nel.org>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: arch/sparc/kernel/traps_64.c:2839:13: error: no previous prototype
 for 'trap_init'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   f1fcbaa18b28dec10281551dfe6ed3a3ed80e3d6
commit: 7e09cb0b84ac5d17086a65ca21479dfec600a232 of: Drop cpu.h include from of_device.h
date:   5 weeks ago
config: sparc64-defconfig
compiler: sparc64-linux-gcc (GCC) 12.1.0
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/torvalds/linux.git/commit/?id=7e09cb0b84ac5d17086a65ca21479dfec600a232
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 7e09cb0b84ac5d17086a65ca21479dfec600a232
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc64 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202305171540.QtqoKIxp-lkp@intel.com/

All errors (new ones prefixed by >>):

   arch/sparc/kernel/traps_64.c:252:6: error: no previous prototype for 'is_no_fault_exception' [-Werror=missing-prototypes]
     252 | bool is_no_fault_exception(struct pt_regs *regs)
         |      ^~~~~~~~~~~~~~~~~~~~~
   arch/sparc/kernel/traps_64.c:2034:6: error: no previous prototype for 'do_mcd_err' [-Werror=missing-prototypes]
    2034 | void do_mcd_err(struct pt_regs *regs, struct sun4v_error_entry ent)
         |      ^~~~~~~~~~
   arch/sparc/kernel/traps_64.c:2152:6: error: no previous prototype for 'sun4v_nonresum_error_user_handled' [-Werror=missing-prototypes]
    2152 | bool sun4v_nonresum_error_user_handled(struct pt_regs *regs,
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> arch/sparc/kernel/traps_64.c:2839:13: error: no previous prototype for 'trap_init' [-Werror=missing-prototypes]
    2839 | void __init trap_init(void)
         |             ^~~~~~~~~
   cc1: all warnings being treated as errors


vim +/trap_init +2839 arch/sparc/kernel/traps_64.c

^1da177e4c3f41 arch/sparc64/kernel/traps.c Linus Torvalds 2005-04-16  2837  
^1da177e4c3f41 arch/sparc64/kernel/traps.c Linus Torvalds 2005-04-16  2838  /* Only invoked on boot processor. */
^1da177e4c3f41 arch/sparc64/kernel/traps.c Linus Torvalds 2005-04-16 @2839  void __init trap_init(void)

:::::: The code at line 2839 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@...970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@...970.osdl.org>

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

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