Hi Bean, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on helgaas-pci/next] [also build test WARNING on v5.17-rc2 next-20220201] [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] url: https://github.com/0day-ci/linux/commits/Bean-Huo/PCI-kirin-Fix-kirin960-pcie-probe-failure-issue/20220202-060120 base: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next config: riscv-randconfig-r001-20220130 (https://download.01.org/0day-ci/archive/20220202/202202021149.TJc443Qq-lkp@xxxxxxxxx/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 6b1e844b69f15bb7dffaf9365cd2b355d2eb7579) 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 riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://github.com/0day-ci/linux/commit/91a6cc1deb484e0590261edbf304784499ca1784 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Bean-Huo/PCI-kirin-Fix-kirin960-pcie-probe-failure-issue/20220202-060120 git checkout 91a6cc1deb484e0590261edbf304784499ca1784 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/pci/controller/dwc/ 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/pci/controller/dwc/pcie-kirin.c:784:13: warning: cast to smaller integer type 'enum pcie_kirin_phy_type' from 'const void *' [-Wvoid-pointer-to-enum-cast] phy_type = (enum pcie_kirin_phy_type)of_device_get_match_data(dev); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. vim +784 drivers/pci/controller/dwc/pcie-kirin.c 770 771 static int kirin_pcie_probe(struct platform_device *pdev) 772 { 773 enum pcie_kirin_phy_type phy_type; 774 struct device *dev = &pdev->dev; 775 struct kirin_pcie *kirin_pcie; 776 struct dw_pcie *pci; 777 int ret; 778 779 if (!dev->of_node) { 780 dev_err(dev, "NULL node\n"); 781 return -EINVAL; 782 } 783 > 784 phy_type = (enum pcie_kirin_phy_type)of_device_get_match_data(dev); 785 786 kirin_pcie = devm_kzalloc(dev, sizeof(struct kirin_pcie), GFP_KERNEL); 787 if (!kirin_pcie) 788 return -ENOMEM; 789 790 pci = devm_kzalloc(dev, sizeof(*pci), GFP_KERNEL); 791 if (!pci) 792 return -ENOMEM; 793 794 pci->dev = dev; 795 pci->ops = &kirin_dw_pcie_ops; 796 pci->pp.ops = &kirin_pcie_host_ops; 797 kirin_pcie->pci = pci; 798 kirin_pcie->type = phy_type; 799 800 ret = kirin_pcie_get_resource(kirin_pcie, pdev); 801 if (ret) 802 return ret; 803 804 platform_set_drvdata(pdev, kirin_pcie); 805 806 ret = kirin_pcie_power_on(pdev, kirin_pcie); 807 if (ret) 808 return ret; 809 810 return dw_pcie_host_init(&pci->pp); 811 } 812 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
