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Date:   Wed, 31 Aug 2022 07:10:39 +0800
From:   kernel test robot <lkp@intel.com>
To:     Arnd Bergmann <arnd@arndb.de>
Cc:     llvm@lists.linux.dev, kbuild-all@lists.01.org,
        linux-kernel@vger.kernel.org,
        Masahiro Yamada <masahiroy@kernel.org>,
        Alex Shi <alexs@kernel.org>,
        Nick Desaulniers <ndesaulniers@google.com>,
        Miguel Ojeda <ojeda@kernel.org>,
        Nathan Chancellor <nathan@kernel.org>
Subject: arch/powerpc/math-emu/math_efp.c:927:1: error: type specifier
 missing, defaults to 'int'; ISO C99 and later do not support implicit int
Message-ID: <202208310702.3iydJVg0-lkp@intel.com>
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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   dcf8e5633e2e69ad60b730ab5905608b756a032f
commit: e8c07082a810fbb9db303a2b66b66b8d7e588b53 Kbuild: move to -std=gnu11
date:   6 months ago
config: powerpc-tqm8560_defconfig (https://download.01.org/0day-ci/archive/20220831/202208310702.3iydJVg0-lkp@intel.com/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project c7df82e4693c19e3fd2e25c83eb04d9deb7b7b59)
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/torvalds/linux.git/commit/?id=e8c07082a810fbb9db303a2b66b66b8d7e588b53
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout e8c07082a810fbb9db303a2b66b66b8d7e588b53
        # 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 SHELL=/bin/bash arch/powerpc/math-emu/

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

All errors (new ones prefixed by >>):

>> arch/powerpc/math-emu/math_efp.c:927:1: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
   module_init(spe_mathemu_init);
   ^
   int
   arch/powerpc/math-emu/math_efp.c:927:13: error: a parameter list without types is only allowed in a function definition
   module_init(spe_mathemu_init);
               ^
   2 errors generated.


vim +/int +927 arch/powerpc/math-emu/math_efp.c

ac6f120369ffe6 Liu Yu 2011-01-25  926  
ac6f120369ffe6 Liu Yu 2011-01-25 @927  module_init(spe_mathemu_init);

:::::: The code at line 927 was first introduced by commit
:::::: ac6f120369ffe66058518fabf90cdd53b2503a82 powerpc/85xx: Workaroudn e500 CPU erratum A005

:::::: TO: Liu Yu <yu.liu@freescale.com>
:::::: CC: Kumar Gala <galak@kernel.crashing.org>

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