tree: https://github.com/frank-w/BPI-R2-4.14 5.14-hdmilarb2 head: 77b4c96140f9bec5bb54fc804b401af1c9a6b4b5 commit: 6051a6601c1dc0460b99b601cc95fd7eac4c1bfd [26/48] mtk-mdp: add driver to probe mdp components config: x86_64-randconfig-a013-20210718 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 5d5b08761f944d5b9822d582378333cc4b36a0a7) 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 x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://github.com/frank-w/BPI-R2-4.14/commit/6051a6601c1dc0460b99b601cc9... git remote add frank-w-bpi-r2-4.14 https://github.com/frank-w/BPI-R2-4.14 git fetch --no-tags frank-w-bpi-r2-4.14 5.14-hdmilarb2 git checkout 6051a6601c1dc0460b99b601cc95fd7eac4c1bfd # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): drivers/media/platform/mtk-mdp/mtk_mdp_comp.c:62:18: error: no member named 'dev' in 'struct mtk_mdp_comp' dev_err(comp->dev, ~~~~ ^ include/linux/dev_printk.h:112:11: note: expanded from macro 'dev_err' _dev_err(dev, dev_fmt(fmt), ##__VA_ARGS__) ^~~ (enum mtk_mdp_comp_type)of_device_get_match_data(dev); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning and 1 error generated. vim +124 drivers/media/platform/mtk-mdp/mtk_mdp_comp.c 115 116 int mtk_mdp_comp_init(struct mtk_mdp_comp *comp, struct device *dev) 117 { 118 struct device_node *larb_node; 119 struct platform_device *larb_pdev; 120 int ret; 121 int i; 122 struct device_node *node = dev->of_node; 123 enum mtk_mdp_comp_type comp_type = 125 126 INIT_LIST_HEAD(&comp->node); 127 128 for (i = 0; i < ARRAY_SIZE(comp->clk); i++) { 129 comp->clk[i] = of_clk_get(node, i); 130 if (IS_ERR(comp->clk[i])) { 131 if (PTR_ERR(comp->clk[i]) != -EPROBE_DEFER) 132 dev_err(dev, "Failed to get clock\n"); 133 ret = PTR_ERR(comp->clk[i]); 134 goto err; 135 } 136 137 /* Only RDMA needs two clocks */ 138 if (comp_type != MTK_MDP_RDMA) 139 break; 140 } 141 142 /* Only DMA capable components need the LARB property */ 143 comp->larb_dev = NULL; 144 if (comp_type != MTK_MDP_RDMA && 145 comp_type != MTK_MDP_WDMA && 146 comp_type != MTK_MDP_WROT) 147 return 0; 148 149 larb_node = of_parse_phandle(node, "mediatek,larb", 0); 150 if (!larb_node) { 151 dev_err(dev, 152 "Missing mediadek,larb phandle in %pOF node\n", node); 153 ret = -EINVAL; 154 goto err; 155 } 156 157 larb_pdev = of_find_device_by_node(larb_node); 158 if (!larb_pdev) { 159 dev_warn(dev, "Waiting for larb device %pOF\n", larb_node); 160 of_node_put(larb_node); 161 ret = -EPROBE_DEFER; 162 goto err; 163 } 164 of_node_put(larb_node); 165 166 comp->larb_dev = &larb_pdev->dev; 167 168 return 0; 169 170 err: 171 return ret; 172 } 173 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org