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13 Jan 2022 01:51:39 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,284,1635231600"; d="scan'208";a="559051322" Received: from lkp-server01.sh.intel.com (HELO 276f1b88eecb) ([10.239.97.150]) by orsmga001.jf.intel.com with ESMTP; 13 Jan 2022 01:51:38 -0800 Received: from kbuild by 276f1b88eecb with local (Exim 4.92) (envelope-from ) id 1n7wld-000740-Ko; Thu, 13 Jan 2022 09:51:37 +0000 Date: Thu, 13 Jan 2022 17:50:48 +0800 From: kernel test robot To: YunQiang Su Cc: kbuild-all@lists.01.org, Linux Memory Management List , Thomas Bogendoerfer Subject: [linux-next:master 9638/12117] arch/mips/boot/compressed/uart-16550.c:44:6: warning: no previous prototype for 'putc' Message-ID: <202201131722.d49vrQCm-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) X-Rspamd-Queue-Id: 3CA8E160005 X-Stat-Signature: thkkxwzbqy5ocd33fomu7jb4boc7h4m6 Authentication-Results: imf08.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=GDfz4OOv; spf=none (imf08.hostedemail.com: domain of lkp@intel.com has no SPF policy when checking 192.55.52.43) smtp.mailfrom=lkp@intel.com; dmarc=pass (policy=none) header.from=intel.com X-Rspamd-Server: rspam07 X-HE-Tag: 1642067501-353360 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 27c9d5b3c24af29de643533984f1ba3e650c7c78 commit: 31b2f3dc851c65fee288612432c4fc956f1a264e [9638/12117] MIPS: enable both vmlinux.gz.itb and vmlinuz for generic config: mips-buildonly-randconfig-r003-20220113 (https://download.01.org/0day-ci/archive/20220113/202201131722.d49vrQCm-lkp@intel.com/config) compiler: mipsel-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/next/linux-next.git/commit/?id=31b2f3dc851c65fee288612432c4fc956f1a264e git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 31b2f3dc851c65fee288612432c4fc956f1a264e # 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=mips SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> arch/mips/boot/compressed/uart-16550.c:44:6: warning: no previous prototype for 'putc' [-Wmissing-prototypes] 44 | void putc(char c) | ^~~~ vim +/putc +44 arch/mips/boot/compressed/uart-16550.c 1b93b3c3e94be2 Wu Zhangjin 2009-10-14 43 1b93b3c3e94be2 Wu Zhangjin 2009-10-14 @44 void putc(char c) :::::: The code at line 44 was first introduced by commit :::::: 1b93b3c3e94be2605759735a89fc935ba5f58dcf MIPS: Add support for GZIP / BZIP2 / LZMA compressed kernel images :::::: TO: Wu Zhangjin :::::: CC: Ralf Baechle --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org