Re: [PATCH 2/2] pci: pciehp update the slot bridge res to get bigrange for pcie devices - v5
From: Yinghai Lu
Date: Wed Nov 04 2009 - 13:53:41 EST
Jesse Barnes wrote:
> On Thu, 29 Oct 2009 02:52:25 -0700
> Yinghai Lu <yinghai@xxxxxxxxxx> wrote:
>> move out bus_size_bridges and assign resources out of
>> pciehp_add_bridge() and at last do them all together one time
>> including slot bridge, to avoid to call assign resources several
>> times, when there are several bridges under the slot bridge.
>> need to introduce pci_bridge_assign_resources there.
>> handle the case the slot bridge that doesn't get pre-allocated big
>> enough res from FW.
>> for example pcie devices need 256M, but the bridge only get
>> preallocated 2M...
>> pci_setup_bridge() will take extra check_enabled for the slot bridge,
>> otherwise update res is not updated to bridge BAR. that is bridge is
>> enabled already for port service.
>> -v2: address Alex's concern about pci remove/rescan feature about
>> pci_setup_bridge changes. -v3: Kenji pointed out that pci_config_slot
>> need to be called before pci_bus_add_devices() -v4: move out
>> pci_is_enabled checkout of pci_setup_bridge() -v5: change the
>> applying sequence.
>> Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>
> Where are we with this patchset? Given the nature of the changes I'll
> definitely want to get a few Tested-bys in addition to acks from people
> involved in this thread.
already have -v8.
but will refresh them after you push out your tree with several patches from Bjorn.
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