Re: [PATCH Part1 v11 4/5] PCI: xgene: Use pci_scan_root_bus() instead of pci_create_root_bus()

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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@xxxxxxxxxx>
> CC: Tanmay Inamdar <tinamdar@xxxxxxx>

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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