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    Subject[RFC PATCH 1/3] MIPS: PCI: Use pci_bus_remove_resources()/pci_bus_add_resource() to set up root resources
    Date
    Use this new style (instead of filling in the pci_bus->resource[] array
    directly) to hide some ugly implementation details.

    Signed-off-by: Deng-Cheng Zhu <dengcheng.zhu@gmail.com>
    ---
    arch/mips/pci/pci.c | 11 +++++++++--
    1 files changed, 9 insertions(+), 2 deletions(-)

    diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c
    index 33bba7b..7473214 100644
    --- a/arch/mips/pci/pci.c
    +++ b/arch/mips/pci/pci.c
    @@ -261,6 +261,14 @@ static void pcibios_fixup_device_resources(struct pci_dev *dev,
    }
    }

    +static void __devinit
    +pcibios_setup_root_resources(struct pci_bus *bus, struct pci_controller *ctrl)
    +{
    + pci_bus_remove_resources(bus);
    + pci_bus_add_resource(bus, ctrl->io_resource, 0);
    + pci_bus_add_resource(bus, ctrl->mem_resource, 0);
    +}
    +
    void __devinit pcibios_fixup_bus(struct pci_bus *bus)
    {
    /* Propagate hose info into the subordinate devices. */
    @@ -270,8 +278,7 @@ void __devinit pcibios_fixup_bus(struct pci_bus *bus)
    struct pci_dev *dev = bus->self;

    if (!dev) {
    - bus->resource[0] = hose->io_resource;
    - bus->resource[1] = hose->mem_resource;
    + pcibios_setup_root_resources(bus, hose);
    } else if (pci_probe_only &&
    (dev->class >> 8) == PCI_CLASS_BRIDGE_PCI) {
    pci_read_bridge_bases(bus);
    --
    1.7.1


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