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SubjectRe: post 2.6.26 requires pciehp_slot_with_bus
Matthew Wilcox wrote:
> On Fri, Jul 25, 2008 at 05:53:33PM +0900, Kenji Kaneshige wrote:
>> IIRC, pciehp uses bridge's secondary bus number for slot name, and
>> PCI express downstream port can have only one hotplug slot. I think
>> this is why with_bus prameter makes difference.
>
> Ahh, I overlooked that last night.
>
>> But it doesn't work on the system that has multiple pci segments.
>
> Yes, we still have the problem that pciehp does not include the 'chassis
> number' as part of the name. I no longer have easy access to any
> systems with multiple chassis. Do your systems have devices which
> implement the PCI_CAP_ID_SLOTID capcbility? (as root) lspci -vvv will
> report it:
>
> printf("Slot ID: %d slots, First%c, chassis %02x\n",
> esr & PCI_SID_ESR_NSLOTS,
> FLAG(esr, PCI_SID_ESR_FIC),
> chs);
>

Unfortunately, I don't have any systems that implement the
PCI_CAP_ID_SLOTID capability...

Thanks,
Kenji Kaneshige




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