diff options
Diffstat (limited to 'drivers/pci/host')
| -rw-r--r-- | drivers/pci/host/pcie-xilinx-nwl.c | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/drivers/pci/host/pcie-xilinx-nwl.c b/drivers/pci/host/pcie-xilinx-nwl.c index 26e66e8eebbb..e8a589431008 100644 --- a/drivers/pci/host/pcie-xilinx-nwl.c +++ b/drivers/pci/host/pcie-xilinx-nwl.c @@ -791,13 +791,16 @@ static int nwl_pcie_probe(struct platform_device *pdev) struct nwl_pcie *pcie; struct pci_bus *bus; struct pci_bus *child; + struct pci_host_bridge *bridge; int err; resource_size_t iobase = 0; LIST_HEAD(res); - pcie = devm_kzalloc(dev, sizeof(*pcie), GFP_KERNEL); - if (!pcie) - return -ENOMEM; + bridge = devm_pci_alloc_host_bridge(dev, sizeof(*pcie)); + if (!bridge) + return -ENODEV; + + pcie = pci_host_bridge_priv(bridge); pcie->dev = dev; pcie->ecam_value = NWL_ECAM_VALUE_DEFAULT; @@ -830,12 +833,11 @@ static int nwl_pcie_probe(struct platform_device *pdev) goto error; } - bus = pci_create_root_bus(dev, pcie->root_busno, - &nwl_pcie_ops, pcie, &res); - if (!bus) { - err = -ENOMEM; - goto error; - } + list_splice_init(&res, &bridge->windows); + bridge->dev.parent = dev; + bridge->sysdata = pcie; + bridge->busnr = pcie->root_busno; + bridge->ops = &nwl_pcie_ops; if (IS_ENABLED(CONFIG_PCI_MSI)) { err = nwl_pcie_enable_msi(pcie); @@ -844,7 +846,13 @@ static int nwl_pcie_probe(struct platform_device *pdev) goto error; } } - pci_scan_child_bus(bus); + + err = pci_scan_root_bus_bridge(bridge); + if (err) + goto error; + + bus = bridge->bus; + pci_assign_unassigned_bus_resources(bus); list_for_each_entry(child, &bus->children, node) pcie_bus_configure_settings(child); |