Re: [PATCH v3 2/2] PCI Hotplug: acpiphp: get pci_bus from acpihandle correctly

[Jesse Barnes]

On Thu, 23 Jul 2009 17:03:05 -0600
Alex Chiang <achiang@xxxxxx> wrote:

> We cannot simply call acpi_get_pci_dev() on any random ACPI handle
> and hope that it works, because a PCI root bridge may not have
> an associated struct pci_dev.
> 
> This is allowed per the PCI specification, and is referred to as a
> non-materialized bridge.
> 
> So, depending on the type of PCI bridge that the handle points to,
> use the appropriate interface to return the struct pci_bus correctly.
> 
> Signed-off-by: Alex Chiang <achiang@xxxxxx>
> ---

I put these in my linux-next branch, just because I'm really
conservative about the current release.

If we hear of boxes in the wild getting bitten by the non-materialized
bit, we can push this set back to stable.

-- 
Jesse Barnes, Intel Open Source Technology Center
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/