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SubjectRe: [PATCH v6 04/30] xen/PCI: Don't use deprecated function pci_scan_bus_parented()
>>  	struct pci_bus *b;
>> + LIST_HEAD(resources);
>> struct pcifront_sd *sd = NULL;
>> struct pci_bus_entry *bus_entry = NULL;
>> int err = 0;
>> @@ -470,17 +472,21 @@ static int pcifront_scan_root(struct pcifront_device *pdev,
>> err = -ENOMEM;
>> goto err_out;
>> }
>> + pci_add_resource(&resources, &ioport_resource);
>> + pci_add_resource(&resources, &iomem_resource);
>> + pci_add_resource(&resources, &busn_resource);
>
> Since I don't want to export busn_resource, you might have to allocate your
> own struct resource for it here. And, of course, figure out the details of
> which PCI domain you're in and whether you need to share one struct
> resource across several host bridges in the same domain.

Allocate its own resource here is ok for me, as I mentioned in previous reply,
so do we still need to add additional info to figure out which domain own the bus resource ?


>
>> pcifront_init_sd(sd, domain, bus, pdev);
>>
>> pci_lock_rescan_remove();
>>
>> - b = pci_scan_bus_parented(&pdev->xdev->dev, bus,
>> - &pcifront_bus_ops, sd);
>> + b = pci_scan_root_bus(&pdev->xdev->dev, bus,
>> + &pcifront_bus_ops, sd, &resources);
>> if (!b) {
>> dev_err(&pdev->xdev->dev,
>> "Error creating PCI Frontend Bus!\n");
>> err = -ENOMEM;
>> pci_unlock_rescan_remove();
>> + pci_free_resource_list(&resources);
>> goto err_out;
>> }
>>
>> @@ -488,7 +494,7 @@ static int pcifront_scan_root(struct pcifront_device *pdev,
>>
>> list_add(&bus_entry->list, &pdev->root_buses);
>>
>> - /* pci_scan_bus_parented skips devices which do not have a have
>> + /* pci_scan_root_bus skips devices which do not have a
>> * devfn==0. The pcifront_scan_bus enumerates all devfn. */
>> err = pcifront_scan_bus(pdev, domain, bus, b);
>>
>> --
>> 1.7.1
>>
>> --
>> To unsubscribe from this list: send the line "unsubscribe linux-pci" in
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>> More majordomo info at http://vger.kernel.org/majordomo-info.html
>
> .
>


--
Thanks!
Yijing



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