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Fri, 19 Aug 2022 02:06:22 +0000 Date: Fri, 19 Aug 2022 10:05:49 +0800 From: kernel test robot To: Moudy Ho Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Hans Verkuil , Ping-Hsun Wu , daoyuan huang Subject: [hverkuil-media-tree:for-v6.1c 3/3] drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c:905:10: warning: cast to smaller integer type 'enum mdp_comp_type' from 'const void *' Message-ID: <202208190957.uDT8XE6b-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: git://linuxtv.org/hverkuil/media_tree.git for-v6.1c head: b2273b84e1291c52279edf13b08744833c1faaab commit: b2273b84e1291c52279edf13b08744833c1faaab [3/3] media: platform: mtk-mdp3: add MediaTek MDP3 driver config: arm64-allyesconfig (https://download.01.org/0day-ci/archive/20220819/202208190957.uDT8XE6b-lkp@intel.com/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project aed5e3bea138ce581d682158eb61c27b3cfdd6ec) 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 arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu git remote add hverkuil-media-tree git://linuxtv.org/hverkuil/media_tree.git git fetch --no-tags hverkuil-media-tree for-v6.1c git checkout b2273b84e1291c52279edf13b08744833c1faaab # 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=arm64 SHELL=/bin/bash drivers/media/platform/mediatek/mdp3/ drivers/vfio/pci/hisilicon/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c:905:10: warning: cast to smaller integer type 'enum mdp_comp_type' from 'const void *' [-Wvoid-pointer-to-enum-cast] type = (enum mdp_comp_type)of_id->data; ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c:964:10: warning: cast to smaller integer type 'enum mdp_comp_type' from 'const void *' [-Wvoid-pointer-to-enum-cast] type = (enum mdp_comp_type)of_id->data; ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2 warnings generated. vim +905 drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c 883 884 static int mdp_comp_sub_create(struct mdp_dev *mdp) 885 { 886 struct device *dev = &mdp->pdev->dev; 887 struct device_node *node, *parent; 888 889 parent = dev->of_node->parent; 890 891 for_each_child_of_node(parent, node) { 892 const struct of_device_id *of_id; 893 enum mdp_comp_type type; 894 int id, alias_id; 895 struct mdp_comp *comp; 896 897 of_id = of_match_node(mdp_sub_comp_dt_ids, node); 898 if (!of_id) 899 continue; 900 if (!of_device_is_available(node)) { 901 dev_dbg(dev, "Skipping disabled sub comp. %pOF\n", node); 902 continue; 903 } 904 > 905 type = (enum mdp_comp_type)of_id->data; 906 alias_id = mdp_comp_alias_id[type]; 907 id = mdp_comp_get_id(type, alias_id); 908 if (id < 0) { 909 dev_err(dev, 910 "Fail to get sub comp. id: type %d alias %d\n", 911 type, alias_id); 912 return -EINVAL; 913 } 914 mdp_comp_alias_id[type]++; 915 916 comp = mdp_comp_create(mdp, node, id); 917 if (IS_ERR(comp)) 918 return PTR_ERR(comp); 919 } 920 921 return 0; 922 } 923 -- 0-DAY CI Kernel Test Service https://01.org/lkp