Re: [PATCH 2/2] pci: pciehp update the slot bridge res to get bigrange for pcie devices - v5

From: Jesse Barnes
Date: Wed Nov 04 2009 - 12:30:54 EST

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.

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
Please read the FAQ at