Hi Kuppuswamy, I love your patch! Perhaps something to improve: [auto build test WARNING on pci/next] [also build test WARNING on pm/linux-next linus/master linux/master v5.10-rc1 next-20201026] [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/Kuppuswamy-Sathyanarayanan/Simplify-PCIe-native-ownership-detection-logic/20201027-030011 base: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next config: i386-randconfig-m021-20201026 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> smatch warnings: drivers/acpi/pci_root.c:923 acpi_pci_root_create() warn: inconsistent indenting vim +923 drivers/acpi/pci_root.c 884 885 struct pci_bus *acpi_pci_root_create(struct acpi_pci_root *root, 886 struct acpi_pci_root_ops *ops, 887 struct acpi_pci_root_info *info, 888 void *sysdata) 889 { 890 int ret, busnum = root->secondary.start; 891 struct acpi_device *device = root->device; 892 int node = acpi_get_node(device->handle); 893 struct pci_bus *bus; 894 struct pci_host_bridge *host_bridge; 895 union acpi_object *obj; 896 u32 ctrl; 897 898 info->root = root; 899 info->bridge = device; 900 info->ops = ops; 901 INIT_LIST_HEAD(&info->resources); 902 snprintf(info->name, sizeof(info->name), "PCI Bus %04x:%02x", 903 root->segment, busnum); 904 905 if (ops->init_info && ops->init_info(info)) 906 goto out_release_info; 907 if (ops->prepare_resources) 908 ret = ops->prepare_resources(info); 909 else 910 ret = acpi_pci_probe_root_resources(info); 911 if (ret < 0) 912 goto out_release_info; 913 914 pci_acpi_root_add_resources(info); 915 pci_add_resource(&info->resources, &root->secondary); 916 bus = pci_create_root_bus(NULL, busnum, ops->pci_ops, 917 sysdata, &info->resources); 918 if (!bus) 919 goto out_release_info; 920 921 host_bridge = to_pci_host_bridge(bus->bridge); 922 > 923 if (pcie_ports_native) { 924 decode_osc_control(root, "OS forcibly taking over", 925 OSC_PCI_EXPRESS_CONTROL_MASKS); 926 } else { 927 ctrl = root->osc_control_set; 928 OSC_OWNER(ctrl, OSC_PCI_EXPRESS_NATIVE_HP_CONTROL, 929 host_bridge->native_pcie_hotplug); 930 OSC_OWNER(ctrl, OSC_PCI_EXPRESS_AER_CONTROL, 931 host_bridge->native_aer); 932 OSC_OWNER(ctrl, OSC_PCI_EXPRESS_PME_CONTROL, 933 host_bridge->native_pme); 934 OSC_OWNER(ctrl, OSC_PCI_EXPRESS_LTR_CONTROL, 935 host_bridge->native_ltr); 936 OSC_OWNER(ctrl, OSC_PCI_EXPRESS_DPC_CONTROL, 937 host_bridge->native_dpc); 938 } 939 940 if (!(root->osc_control_set & OSC_PCI_SHPC_NATIVE_HP_CONTROL)) 941 host_bridge->native_shpc_hotplug = 0; 942 943 /* 944 * Evaluate the "PCI Boot Configuration" _DSM Function. If it 945 * exists and returns 0, we must preserve any PCI resource 946 * assignments made by firmware for this host bridge. 947 */ 948 obj = acpi_evaluate_dsm(ACPI_HANDLE(bus->bridge), &pci_acpi_dsm_guid, 1, 949 DSM_PCI_PRESERVE_BOOT_CONFIG, NULL); 950 if (obj && obj->type == ACPI_TYPE_INTEGER && obj->integer.value == 0) 951 host_bridge->preserve_config = 1; 952 ACPI_FREE(obj); 953 954 pci_scan_child_bus(bus); 955 pci_set_host_bridge_release(host_bridge, acpi_pci_root_release_info, 956 info); 957 if (node != NUMA_NO_NODE) 958 dev_printk(KERN_DEBUG, &bus->dev, "on NUMA node %d\n", node); 959 return bus; 960 961 out_release_info: 962 __acpi_pci_root_release_info(info); 963 return NULL; 964 } 965 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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