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Re: [PATCH 12/24] PCI, ia64: Register busn_res for root buses

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On Tue, Feb 28, 2012 at 3:07 PM, Yinghai Lu <yinghai@xxxxxxxxxx> wrote:
> Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>
> Cc: Tony Luck <tony.luck@xxxxxxxxx>
> Cc: Fenghua Yu <fenghua.yu@xxxxxxxxx>
> Cc: linux-ia64@xxxxxxxxxxxxxxx
> ---
>  arch/ia64/include/asm/pci.h |    1 +
>  arch/ia64/pci/pci.c         |    5 +++++
>  2 files changed, 6 insertions(+), 0 deletions(-)
>
> diff --git a/arch/ia64/include/asm/pci.h b/arch/ia64/include/asm/pci.h
> index b22e5f5..6e54220 100644
> --- a/arch/ia64/include/asm/pci.h
> +++ b/arch/ia64/include/asm/pci.h
> @@ -94,6 +94,7 @@ struct pci_controller {
>
>        unsigned int windows;
>        struct pci_window *window;
> +       struct resource busn;

Why do you add a new struct resource here?  Can't you just use the one
passed in from acpi_pci_root_add()?

>
>        void *platform_data;
>  };
> diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
> index d1ce320..b250f0f 100644
> --- a/arch/ia64/pci/pci.c
> +++ b/arch/ia64/pci/pci.c
> @@ -332,6 +332,7 @@ pci_acpi_scan_root(struct acpi_pci_root *root)
>        struct acpi_device *device = root->device;
>        int domain = root->segment;
>        int bus = root->secondary.start;
> +       int busmax = root->secondary.end;
>        struct pci_controller *controller;
>        unsigned int windows = 0;
>        struct pci_root_info info;
> @@ -372,6 +373,10 @@ pci_acpi_scan_root(struct acpi_pci_root *root)
>                acpi_walk_resources(device->handle, METHOD_NAME__CRS,
>                        add_window, &info);
>        }
> +       controller->busn.start = bus;
> +       controller->busn.end = busmax;
> +       conttoller->busn.flags = IORESOURCE_BUS;

Typo here - "conttoller" should be "controller".

> +       pci_add_resource(&info.resources, &controller->busn);
>        /*
>         * See arch/x86/pci/acpi.c.
>         * The desired pci bus might already be scanned in a quirk. We
> --
> 1.7.7
>
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