From: Rob Herring <robh@kernel.org>
Date: Fri, 22 May 2020 17:48:32 -0600
Subject: PCI: xilinx: Use pci_host_probe() to register host
Git-commit: 78aada4b05bdc63687b76a079eca327d3825add1
Patch-mainline: v5.9-rc1
References: bsc#1179344
The xilinx host driver does the same host registration and bus scanning
calls as pci_host_probe, so let's use it instead.
The only difference is pci_assign_unassigned_bus_resources() was called
instead of pci_bus_size_bridges() and pci_bus_assign_resources(). This
should be the same.
Link: https://lore.kernel.org/r/20200522234832.954484-16-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@suse.com>
---
drivers/pci/controller/pcie-xilinx.c | 13 +------------
1 file changed, 1 insertion(+), 12 deletions(-)
diff --git a/drivers/pci/controller/pcie-xilinx.c b/drivers/pci/controller/pcie-xilinx.c
index 98e55297815b..05547497f391 100644
--- a/drivers/pci/controller/pcie-xilinx.c
+++ b/drivers/pci/controller/pcie-xilinx.c
@@ -616,7 +616,6 @@ static int xilinx_pcie_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct xilinx_pcie_port *port;
- struct pci_bus *bus, *child;
struct pci_host_bridge *bridge;
int err;
@@ -663,17 +662,7 @@ static int xilinx_pcie_probe(struct platform_device *pdev)
xilinx_pcie_msi_chip.dev = dev;
bridge->msi = &xilinx_pcie_msi_chip;
#endif
- err = pci_scan_root_bus_bridge(bridge);
- if (err < 0)
- return err;
-
- 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);
}
static const struct of_device_id xilinx_pcie_of_match[] = {
--
2.26.2