Messages in this thread | | | From | Bjorn Helgaas <> | Date | Fri, 13 Dec 2013 10:09:54 -0700 | Subject | Re: How to reserve pci bus numbers for hotplug? |
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On Thu, Dec 12, 2013 at 12:56 PM, Andreas Noever <andreas.noever@gmail.com> wrote: > On Thu, Dec 12, 2013 at 1:21 AM, Yinghai Lu <yinghai@kernel.org> wrote: >> On Wed, Dec 11, 2013 at 3:37 PM, Andreas Noever >> <andreas.noever@gmail.com> wrote: >> >>> If I could get Linux to assign enough resources (bus numbers for now) >>> then I could drop the acpi_osi parameter and make thunderbolt work >>> after suspend... So, is there an easy way to fix this? (Quirks, >>> reconfiguring bus number assignments from a platform driver, ...?) >> >> please check if busn_alloc at >> >> git://git.kernel.org/pub/scm/linux/kernel/git/yinghai/linux-yinghai.git >> for-pci-busn-alloc-3.14 >> >> could help. > > It seems to help. The initial assignment looks good: > +-01.1-[05-9b]----00.0-[06-27]--+-00.0-[07]----00.0 Intel > Corporation DSL3510 Thunderbolt Port [Cactus Ridge] > | +-03.0-[08-0f]-- > | +-04.0-[10-17]-- > | +-05.0-[18-1f]-- > | \-06.0-[20-27]-- > After hotplug it looks like this: > +-01.1-[05-9b]----00.0-[06-29]--+-00.0-[07]----00.0 Intel > Corporation DSL3510 Thunderbolt Port [Cactus Ridge] > | > +-03.0-[08-11]----00.0-[09-11]----00.0-[0a-11]----00.0 Broadcom > Corporation NetXtreme BCM57762 Gigabit Ethernet PCIe > | +-04.0-[10-17]-- > | +-05.0-[18-1f]-- > | \-06.0-[20-27]-- > (Note that the bridge numbers are not disjoint) > > dmesg is attached. > > What is the status of the patch? Will it be merged for 3.14?
It's not on my radar yet, so likely won't make it for v3.14.
Can you open a report at http://bugzilla.kernel.org and attach complete dmesg logs without and with Yinghai's patches, and also the complete "lspci -vv" output?
Bjorn
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