PCI: mobiveil: Use pci_host_probe() to register host

The mobiveil host driver does the same host registration and bus scanning
calls as pci_host_probe, so let's use it instead.

Link: https://lore.kernel.org/r/20200522234832.954484-6-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Karthikeyan Mitran <m.karthikeyan@mobiveil.co.in>
Cc: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>

diff --git a/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c b/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c
index 5907baa9b1f21e78ac417792b45316cf9b226681..5974619811ec2a393e6e6f4560076118fc871082 100644 (file)
--- a/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c
+++ b/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c
@@ -569,8 +569,6 @@ int mobiveil_pcie_host_probe(struct mobiveil_pcie *pcie)
        struct mobiveil_root_port *rp = &pcie->rp;
        struct pci_host_bridge *bridge = rp->bridge;
        struct device *dev = &pcie->pdev->dev;
-       struct pci_bus *bus;
-       struct pci_bus *child;
        int ret;
 
        ret = mobiveil_pcie_parse_dt(pcie);
@@ -620,17 +618,5 @@ int mobiveil_pcie_host_probe(struct mobiveil_pcie *pcie)
                return ret;
        }
 
-       /* setup the kernel resources for the newly added PCIe root bus */
-       ret = pci_scan_root_bus_bridge(bridge);
-       if (ret)
-               return ret;
-
-       bus = bridge->bus;
-
-       pci_assign_unassigned_bus_resources(bus);
-       list_for_each_entry(child, &bus->children, node)
-               pcie_bus_configure_settings(child);
-       pci_bus_add_devices(bus);
-
-       return 0;
+       return pci_host_probe(bridge);
 }