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21 Feb 2022 03:45:15 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,385,1635231600"; d="scan'208";a="507610082" Received: from lkp-server01.sh.intel.com (HELO da3212ac2f54) ([10.239.97.150]) by orsmga006.jf.intel.com with ESMTP; 21 Feb 2022 03:45:14 -0800 Received: from kbuild by da3212ac2f54 with local (Exim 4.92) (envelope-from ) id 1nM77x-0001YL-EO; Mon, 21 Feb 2022 11:45:13 +0000 Date: Mon, 21 Feb 2022 19:44:30 +0800 From: kernel test robot To: Arnd Bergmann Cc: kbuild-all@lists.01.org, Linux Memory Management List , Ard Biesheuvel Subject: [linux-next:master 125/6564] arch/arm/mach-iop32x/cp6.c:10:6: warning: no previous prototype for 'iop_enable_cp6' Message-ID: <202202211917.zWulkbAL-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) Authentication-Results: imf15.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=IftUugPF; dmarc=pass (policy=none) header.from=intel.com; spf=none (imf15.hostedemail.com: domain of lkp@intel.com has no SPF policy when checking 134.134.136.24) smtp.mailfrom=lkp@intel.com X-Rspam-User: X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: D870EA0004 X-Stat-Signature: 688zum5855576kewkdw1o7kt1x3hcxyf X-HE-Tag: 1645443917-792362 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: Hi Arnd, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 3c30cf91b5ecc7272b3d2942ae0505dd8320b81c commit: 6f5d248d05db9c4991366154f1a657a630faa583 [125/6564] ARM: iop32x: use GENERIC_IRQ_MULTI_HANDLER config: arm-iop32x_defconfig (https://download.01.org/0day-ci/archive/20220221/202202211917.zWulkbAL-lkp@intel.com/config) compiler: arm-linux-gnueabi-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=6f5d248d05db9c4991366154f1a657a630faa583 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 6f5d248d05db9c4991366154f1a657a630faa583 # 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=arm 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/arm/mach-iop32x/cp6.c:10:6: warning: no previous prototype for 'iop_enable_cp6' [-Wmissing-prototypes] 10 | void iop_enable_cp6(void) | ^~~~~~~~~~~~~~ arch/arm/mach-iop32x/cp6.c:43:13: warning: no previous prototype for 'iop_init_cp6_handler' [-Wmissing-prototypes] 43 | void __init iop_init_cp6_handler(void) | ^~~~~~~~~~~~~~~~~~~~ vim +/iop_enable_cp6 +10 arch/arm/mach-iop32x/cp6.c 9 > 10 void iop_enable_cp6(void) 11 { 12 u32 temp; 13 14 /* enable cp6 access */ 15 asm volatile ( 16 "mrc p15, 0, %0, c15, c1, 0\n\t" 17 "orr %0, %0, #(1 << 6)\n\t" 18 "mcr p15, 0, %0, c15, c1, 0\n\t" 19 "mrc p15, 0, %0, c15, c1, 0\n\t" 20 "mov %0, %0\n\t" 21 "sub pc, pc, #4 @ cp_wait\n\t" 22 : "=r"(temp)); 23 } 24 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org