[PATCH Part1 v11 4/5] PCI: xgene: Use pci_scan_root_bus() instead of pci_create_root_bus()
Bjorn Helgaas
bhelgaas at google.com
Wed May 27 08:47:58 PDT 2015
On Tue, Apr 28, 2015 at 03:01:38PM +0800, Yijing Wang wrote:
> Pci_bus_add_devices() was ripped out of pci_scan_root_bus().
> Now pci_scan_root_bus() == pci_create_root_bus() +
> pci_scan_child_bus() if busn resource is supplied.
> Xgene added the busn resource to resources list
> in of_pci_get_host_bridge_resources(). So it should be safe
> to use pci_scan_root_bus() instead.
>
> Signed-off-by: Yijing Wang <wangyijing at huawei.com>
> CC: Tanmay Inamdar <tinamdar at apm.com>
Tanmay, any comments on this?
> ---
> drivers/pci/host/pci-xgene.c | 3 +--
> 1 files changed, 1 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/pci/host/pci-xgene.c b/drivers/pci/host/pci-xgene.c
> index ee082c0..87e3962 100644
> --- a/drivers/pci/host/pci-xgene.c
> +++ b/drivers/pci/host/pci-xgene.c
> @@ -499,12 +499,11 @@ static int xgene_pcie_probe_bridge(struct platform_device *pdev)
> if (ret)
> return ret;
>
> - bus = pci_create_root_bus(&pdev->dev, 0,
> + bus = pci_scan_root_bus(&pdev->dev, 0,
> &xgene_pcie_ops, port, &res);
> if (!bus)
> return -ENOMEM;
>
> - pci_scan_child_bus(bus);
> pci_assign_unassigned_bus_resources(bus);
> pci_bus_add_devices(bus);
>
> --
> 1.7.1
>
> --
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