On Tue, Jan 17, 2012 at 9:27 PM, Yinghai Lu <yinghai@xxxxxxxxxx> wrote:
> On Tue, Jan 17, 2012 at 4:35 PM, Bjorn Helgaas <bhelgaas@xxxxxxxxxx> wrote:
>> This adds a struct pci_host_bridge so the PCI core can keep track of
>> generic attributes like the subordinate bus number range and the
>> resources available to that PCI device tree.
>>
>> Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
>> ---
>> drivers/pci/probe.c | 69 +++++++++++++++++++++++++++++++++++++++++++++++++++
>> include/linux/pci.h | 20 +++++++++++++++
>> 2 files changed, 89 insertions(+), 0 deletions(-)
>>
>> +struct pci_host_bridge *pci_scan_host_bridge(struct device *parent,
>> + int domain, struct resource *subordinate,
>> + struct list_head *resources, struct pci_ops *ops,
>> + void *sysdata)
>> +{
>> + struct pci_host_bridge *bridge;
>> + struct pci_bus *bus;
>> +
>> + bridge = pci_create_host_bridge(parent, domain, subordinate, resources,
>> + ops, sysdata);
>> + if (!bridge)
>> + return NULL;
>> +
>> + bus = bridge->bus;
>> + bus->subordinate = pci_scan_child_bus(bus);
>> + pci_bus_add_devices(bus);
>> + return bridge;
>> +}
>
> looks like there is no user for pci_scan_host_bridge() in this series.
You're right. x86 can't use pci_scan_host_bridge() yet, but most
other architectures can, and I plan to convert them soon.
Bjorn
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