Hi Keguang, kernel test robot noticed the following build warnings: [auto build test WARNING on 21ef7b1e17d039053edaeaf41142423810572741] url: https://github.com/intel-lab-lkp/linux/commits/Keguang-Zhang/MIPS-loongson32-Remove-Loongson1-MAC-arch-code/20230812-231420 base: 21ef7b1e17d039053edaeaf41142423810572741 patch link: https://lore.kernel.org/r/20230812151135.1028780-5-keguang.zhang%40gmail.com patch subject: [PATCH 4/5] net: stmmac: Add glue layer for Loongson-1 SoC config: parisc-allyesconfig (https://download.01.org/0day-ci/archive/20230813/202308130554.Rbxxtltt-lkp@xxxxxxxxx/config) compiler: hppa-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230813/202308130554.Rbxxtltt-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202308130554.Rbxxtltt-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/net/ethernet/stmicro/stmmac/dwmac-loongson1.c: In function 'ls1x_dwmac_probe': drivers/net/ethernet/stmicro/stmmac/dwmac-loongson1.c:188:21: error: implicit declaration of function 'of_parse_phandle' [-Werror=implicit-function-declaration] 188 | syscon_np = of_parse_phandle(pdev->dev.of_node, "syscon", 0); | ^~~~~~~~~~~~~~~~ >> drivers/net/ethernet/stmicro/stmmac/dwmac-loongson1.c:188:19: warning: assignment to 'struct device_node *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 188 | syscon_np = of_parse_phandle(pdev->dev.of_node, "syscon", 0); | ^ drivers/net/ethernet/stmicro/stmmac/dwmac-loongson1.c:192:17: error: implicit declaration of function 'of_match_node'; did you mean 'for_each_node'? [-Werror=implicit-function-declaration] 192 | match = of_match_node(ls1x_dwmac_syscon_match, syscon_np); | ^~~~~~~~~~~~~ | for_each_node >> drivers/net/ethernet/stmicro/stmmac/dwmac-loongson1.c:192:15: warning: assignment to 'const struct of_device_id *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 192 | match = of_match_node(ls1x_dwmac_syscon_match, syscon_np); | ^ drivers/net/ethernet/stmicro/stmmac/dwmac-loongson1.c:194:17: error: implicit declaration of function 'of_node_put'; did you mean 'bpf_module_put'? [-Werror=implicit-function-declaration] 194 | of_node_put(syscon_np); | ^~~~~~~~~~~ | bpf_module_put cc1: some warnings being treated as errors vim +188 drivers/net/ethernet/stmicro/stmmac/dwmac-loongson1.c 170 171 static int ls1x_dwmac_probe(struct platform_device *pdev) 172 { 173 struct plat_stmmacenet_data *plat_dat; 174 struct stmmac_resources stmmac_res; 175 struct device_node *syscon_np; 176 const struct of_device_id *match; 177 struct regmap *regmap; 178 struct ls1x_dwmac *dwmac; 179 const struct ls1x_dwmac_syscon *syscon; 180 size_t size; 181 int ret; 182 183 ret = stmmac_get_platform_resources(pdev, &stmmac_res); 184 if (ret) 185 return ret; 186 187 /* Probe syscon */ > 188 syscon_np = of_parse_phandle(pdev->dev.of_node, "syscon", 0); 189 if (!syscon_np) 190 return -ENODEV; 191 > 192 match = of_match_node(ls1x_dwmac_syscon_match, syscon_np); 193 if (!match) { 194 of_node_put(syscon_np); 195 return -EINVAL; 196 } 197 syscon = (const struct ls1x_dwmac_syscon *)match->data; 198 199 regmap = syscon_node_to_regmap(syscon_np); 200 of_node_put(syscon_np); 201 if (IS_ERR(regmap)) { 202 ret = PTR_ERR(regmap); 203 dev_err(&pdev->dev, "Unable to map syscon: %d\n", ret); 204 return ret; 205 } 206 207 size = syscon->nr_reg_fields * sizeof(struct regmap_field *); 208 dwmac = devm_kzalloc(&pdev->dev, sizeof(*dwmac) + size, GFP_KERNEL); 209 if (!dwmac) 210 return -ENOMEM; 211 212 plat_dat = stmmac_probe_config_dt(pdev, stmmac_res.mac); 213 if (IS_ERR(plat_dat)) { 214 dev_err(&pdev->dev, "dt configuration failed\n"); 215 return PTR_ERR(plat_dat); 216 } 217 218 plat_dat->bsp_priv = dwmac; 219 plat_dat->init = ls1x_dwmac_init; 220 dwmac->dev = &pdev->dev; 221 dwmac->plat_dat = plat_dat; 222 dwmac->syscon = syscon; 223 dwmac->regmap = regmap; 224 225 ret = stmmac_pltfr_probe(pdev, plat_dat, &stmmac_res); 226 if (ret) 227 goto err_remove_config_dt; 228 229 return 0; 230 231 err_remove_config_dt: 232 if (pdev->dev.of_node) 233 stmmac_remove_config_dt(pdev, plat_dat); 234 235 return ret; 236 } 237 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki