Hi "周琰杰, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on balbi-usb/testing/next] [also build test WARNING on usb/usb-testing robh/for-next v5.8-rc5 next-20200713] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Zhou-Yanjie/Add-USB-PHY-support-for-new-Ingenic-SoCs/20200713-223543 base: https://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git testing/next config: x86_64-allyesconfig (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 02946de3802d3bc65bc9f2eb9b8d4969b5a7add8) 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 # 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@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/usb/phy/phy-jz4770.c:275:19: warning: cast to smaller integer type 'enum ingenic_usb_phy_version' from 'const void *' [-Wvoid-pointer-to-enum-cast] priv->version = (enum ingenic_usb_phy_version)match->data; ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. vim +275 drivers/usb/phy/phy-jz4770.c 261 262 static int jz4770_phy_probe(struct platform_device *pdev) 263 { 264 struct device *dev = &pdev->dev; 265 struct jz4770_phy *priv; 266 const struct of_device_id *match; 267 int err; 268 269 priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); 270 if (!priv) 271 return -ENOMEM; 272 273 match = of_match_device(ingenic_usb_phy_of_matches, dev); 274 if (match) > 275 priv->version = (enum ingenic_usb_phy_version)match->data; 276 else 277 return -ENODEV; 278 279 platform_set_drvdata(pdev, priv); 280 priv->dev = dev; 281 priv->phy.dev = dev; 282 priv->phy.otg = &priv->otg; 283 priv->phy.label = "ingenic-usb-phy"; 284 priv->phy.init = jz4770_phy_init; 285 priv->phy.shutdown = jz4770_phy_shutdown; 286 287 priv->otg.state = OTG_STATE_UNDEFINED; 288 priv->otg.usb_phy = &priv->phy; 289 priv->otg.set_host = jz4770_phy_set_host; 290 priv->otg.set_peripheral = jz4770_phy_set_peripheral; 291 292 priv->base = devm_platform_ioremap_resource(pdev, 0); 293 if (IS_ERR(priv->base)) { 294 dev_err(dev, "Failed to map registers"); 295 return PTR_ERR(priv->base); 296 } 297 298 priv->clk = devm_clk_get(dev, NULL); 299 if (IS_ERR(priv->clk)) { 300 err = PTR_ERR(priv->clk); 301 if (err != -EPROBE_DEFER) 302 dev_err(dev, "Failed to get clock"); 303 return err; 304 } 305 306 priv->vcc_supply = devm_regulator_get(dev, "vcc"); 307 if (IS_ERR(priv->vcc_supply)) { 308 err = PTR_ERR(priv->vcc_supply); 309 if (err != -EPROBE_DEFER) 310 dev_err(dev, "failed to get regulator"); 311 return err; 312 } 313 314 err = usb_add_phy(&priv->phy, USB_PHY_TYPE_USB2); 315 if (err) { 316 if (err != -EPROBE_DEFER) 317 dev_err(dev, "Unable to register PHY"); 318 return err; 319 } 320 321 return devm_add_action_or_reset(dev, jz4770_phy_remove, &priv->phy); 322 } 323 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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