Re: [PATCH v6 13/30] PCI: Introduce new scan function pci_scan_host_bridge()

From: Yijing Wang
Date: Thu Mar 12 2015 - 09:15:45 EST


>> +struct pci_host_bridge *pci_scan_host_bridge(struct device *parent,
>> + u32 db, struct pci_ops *ops, void *sysdata,
>> + struct list_head *resources,
>> + struct pci_host_bridge_ops *phb_ops)
>
> Drop the "phb_" prefix.

OK.

>
>> +{
>> + struct pci_host_bridge *host;
>> + struct pci_bus *bus;
>> +
>> + host = pci_create_host_bridge(parent, db, resources,
>> + sysdata, phb_ops);
>> + if (!host)
>> + return NULL;
>> +
>> + bus = __pci_scan_root_bus(host, ops);
>> + if (!bus)
>> + pci_free_host_bridge(host);
>> +
>> + return host;
>> +}
>> +EXPORT_SYMBOL(pci_scan_host_bridge);
>> +
>> +
>> struct pci_bus *pci_scan_root_bus(struct device *parent, u32 db,
>> struct pci_ops *ops, void *sysdata, struct list_head *resources)
>> {
>> diff --git a/include/linux/pci.h b/include/linux/pci.h
>> index e9922b1..28eafb5 100644
>> --- a/include/linux/pci.h
>> +++ b/include/linux/pci.h
>> @@ -790,6 +790,10 @@ void pci_bus_release_busn_res(struct pci_bus *b);
>> struct pci_bus *pci_scan_root_bus(struct device *parent, u32 dombus,
>> struct pci_ops *ops, void *sysdata,
>> struct list_head *resources);
>> +struct pci_host_bridge *pci_scan_host_bridge(struct device *parent,
>> + u32 dombus, struct pci_ops *ops, void *sysdata,
>> + struct list_head *resources,
>> + struct pci_host_bridge_ops *phb_ops);
>> struct pci_bus *pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev,
>> int busnr);
>> void pcie_update_link_speed(struct pci_bus *bus, u16 link_status);
>> --
>> 1.7.1
>>
>> --
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>
> .
>


--
Thanks!
Yijing

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