From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 365511865 for ; Mon, 11 Apr 2022 17:53:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1649699609; x=1681235609; h=date:from:to:cc:subject:message-id:mime-version; bh=EuhvspPumDIOccKZm1upAW6UTl1JoHuWZAsdQAsLR4Y=; b=GAwpt+iZMVgXemWBgo0S/tjjI5tphVhaAwXh6FDSf4KVb97UEERtAJy2 an53HTAgC50YAYN99zipNN7mu3UewNpO9doMS1eUeecnhX+b1kgFaykXS /z2sJZl9lxCSe0b+GhrNNteLymIDBTiorqCgLB9WbgYbT4cKOrhkOQc0c gWCV6RUdaGPb70VWSQNYJg98noc2cGQIuW2Mqrs9sniDNjumB5JuzjuZD bmxCw1KHvo3m7K15sz78KAxGAXIDWpHDd7uIDui2aH/TmTCtNxkKxEsyH /HB98rMVDZPYbr92O9P0r5xDxHRKRY7s8xj3u+9YvsYYAvXHKAab0i7rs A==; X-IronPort-AV: E=McAfee;i="6400,9594,10314"; a="249460408" X-IronPort-AV: E=Sophos;i="5.90,252,1643702400"; d="scan'208";a="249460408" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Apr 2022 10:53:28 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,252,1643702400"; d="scan'208";a="572316777" Received: from lkp-server02.sh.intel.com (HELO d3fc50ef50de) ([10.239.97.151]) by orsmga008.jf.intel.com with ESMTP; 11 Apr 2022 10:53:26 -0700 Received: from kbuild by d3fc50ef50de with local (Exim 4.95) (envelope-from ) id 1ndyEA-00022D-7g; Mon, 11 Apr 2022 17:53:26 +0000 Date: Tue, 12 Apr 2022 01:52:51 +0800 From: kernel test robot To: Ohad Sharabi Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Oded Gabbay Subject: [ogabbay:habanalabs-next 33/34] drivers/misc/habanalabs/gaudi/gaudi.c:5041:5: warning: no previous prototype for function 'gaudi_get_dma_desc_list_size' Message-ID: <202204120146.AaaXilN7-lkp@intel.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) tree: https://git.kernel.org/pub/scm/linux/kernel/git/ogabbay/linux.git habanalabs-next head: e3e6111dba082a2d77e80ae99a2de75adff9b875 commit: 7d3600a8f9ffc668f66678211d41eadb224a4dd8 [33/34] habanalabs: use for_each_sgtable_dma_sg for dma sgt config: x86_64-randconfig-a002-20220411 (https://download.01.org/0day-ci/archive/20220412/202204120146.AaaXilN7-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project c6e83f560f06cdfe8aa47b248d8bdc58f947274b) 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/ogabbay/linux.git/commit/?id=7d3600a8f9ffc668f66678211d41eadb224a4dd8 git remote add ogabbay https://git.kernel.org/pub/scm/linux/kernel/git/ogabbay/linux.git git fetch --no-tags ogabbay habanalabs-next git checkout 7d3600a8f9ffc668f66678211d41eadb224a4dd8 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/misc/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> drivers/misc/habanalabs/gaudi/gaudi.c:5041:5: warning: no previous prototype for function 'gaudi_get_dma_desc_list_size' [-Wmissing-prototypes] u32 gaudi_get_dma_desc_list_size(struct hl_device *hdev, ^ drivers/misc/habanalabs/gaudi/gaudi.c:5041:1: note: declare 'static' if the function is not intended to be used outside of this translation unit u32 gaudi_get_dma_desc_list_size(struct hl_device *hdev, ^ static 1 warning generated. vim +/gaudi_get_dma_desc_list_size +5041 drivers/misc/habanalabs/gaudi/gaudi.c 5040 > 5041 u32 gaudi_get_dma_desc_list_size(struct hl_device *hdev, 5042 struct sg_table *sgt) 5043 { 5044 struct scatterlist *sg, *sg_next_iter; 5045 u32 count, dma_desc_cnt; 5046 u64 len, len_next; 5047 dma_addr_t addr, addr_next; 5048 5049 dma_desc_cnt = 0; 5050 5051 for_each_sgtable_dma_sg(sgt, sg, count) { 5052 len = sg_dma_len(sg); 5053 addr = sg_dma_address(sg); 5054 5055 if (len == 0) 5056 break; 5057 5058 while ((count + 1) < sgt->nents) { 5059 sg_next_iter = sg_next(sg); 5060 len_next = sg_dma_len(sg_next_iter); 5061 addr_next = sg_dma_address(sg_next_iter); 5062 5063 if (len_next == 0) 5064 break; 5065 5066 if ((addr + len == addr_next) && 5067 (len + len_next <= DMA_MAX_TRANSFER_SIZE)) { 5068 len += len_next; 5069 count++; 5070 sg = sg_next_iter; 5071 } else { 5072 break; 5073 } 5074 } 5075 5076 dma_desc_cnt++; 5077 } 5078 5079 return dma_desc_cnt * sizeof(struct packet_lin_dma); 5080 } 5081 -- 0-DAY CI Kernel Test Service https://01.org/lkp