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DateMon, 28 Jul 2008 16:21:13 +0900
FromKenji Kaneshige <>
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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