Hi Stanley, kernel test robot noticed the following build warnings: [auto build test WARNING on usb/usb-testing] [also build test WARNING on usb/usb-next usb/usb-linus robh/for-next linus/master v6.4-rc6 next-20230614] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Stanley-Chang/phy-realtek-usb-Add-driver-for-the-Realtek-SoC-USB-2-0-PHY/20230614-173349 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing patch link: https://lore.kernel.org/r/20230614092850.21460-3-stanley_chang%40realtek.com patch subject: [PATCH v4 3/5] phy: realtek: usb: Add driver for the Realtek SoC USB 3.0 PHY config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20230614/202306142340.nvui81i4-lkp@xxxxxxxxx/config) compiler: sparc64-linux-gcc (GCC) 12.3.0 reproduce (this is a W=1 build): mkdir -p ~/bin wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git remote add usb https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git git fetch usb usb-testing git checkout usb/usb-testing b4 shazam https://lore.kernel.org/r/20230614092850.21460-3-stanley_chang@xxxxxxxxxxx # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=sparc olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=sparc SHELL=/bin/bash drivers/phy/realtek/ 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/202306142340.nvui81i4-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/phy/realtek/phy-rtk-usb3.c: In function 'rtk_usb3phy_probe': >> drivers/phy/realtek/phy-rtk-usb3.c:779:29: warning: variable 'node' set but not used [-Wunused-but-set-variable] 779 | struct device_node *node; | ^~~~ vim +/node +779 drivers/phy/realtek/phy-rtk-usb3.c 774 775 static int rtk_usb3phy_probe(struct platform_device *pdev) 776 { 777 struct rtk_phy *rtk_phy; 778 struct device *dev = &pdev->dev; > 779 struct device_node *node; 780 struct phy *generic_phy; 781 struct phy_provider *phy_provider; 782 const struct phy_cfg *phy_cfg; 783 int ret; 784 785 phy_cfg = of_device_get_match_data(dev); 786 if (!phy_cfg) { 787 dev_err(dev, "phy config are not assigned!\n"); 788 return -EINVAL; 789 } 790 791 rtk_phy = devm_kzalloc(dev, sizeof(*rtk_phy), GFP_KERNEL); 792 if (!rtk_phy) 793 return -ENOMEM; 794 795 rtk_phy->dev = &pdev->dev; 796 rtk_phy->phy.dev = rtk_phy->dev; 797 rtk_phy->phy.label = "rtk-usb3phy"; 798 rtk_phy->phy.notify_port_status = rtk_phy_notify_port_status; 799 800 rtk_phy->phy_cfg = devm_kzalloc(dev, sizeof(*phy_cfg), GFP_KERNEL); 801 802 memcpy(rtk_phy->phy_cfg, phy_cfg, sizeof(*phy_cfg)); 803 804 node = dev->of_node; 805 806 rtk_phy->num_phy = 1; 807 808 ret = parse_phy_data(rtk_phy); 809 if (ret) 810 goto err; 811 812 platform_set_drvdata(pdev, rtk_phy); 813 814 generic_phy = devm_phy_create(rtk_phy->dev, NULL, &ops); 815 if (IS_ERR(generic_phy)) 816 return PTR_ERR(generic_phy); 817 818 phy_set_drvdata(generic_phy, rtk_phy); 819 820 phy_provider = devm_of_phy_provider_register(rtk_phy->dev, of_phy_simple_xlate); 821 if (IS_ERR(phy_provider)) 822 return PTR_ERR(phy_provider); 823 824 ret = usb_add_phy_dev(&rtk_phy->phy); 825 if (ret) 826 goto err; 827 828 create_debug_files(rtk_phy); 829 830 err: 831 return ret; 832 } 833 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
