linux-kernel - Re: [PATCH 2/2] pci: pciehp update the slot bridge res to get big range for pcie devices

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Date:	Wed, 4 Nov 2009 09:30:44 -0800
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	Kenji Kaneshige <kaneshige.kenji@...fujitsu.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Alex Chiang <achiang@...com>,
	Bjorn Helgaas <bjorn.helgaas@...com>,
	Ingo Molnar <mingo@...e.hu>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	Ivan Kokshaysky <ink@...assic.park.msu.ru>
Subject: Re: [PATCH 2/2] pci: pciehp update the slot bridge res to get big
 range for pcie devices - v5

On Thu, 29 Oct 2009 02:52:25 -0700
Yinghai Lu <yinghai@...nel.org> 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@...nel.org>

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.

Thanks,
-- 
Jesse Barnes, Intel Open Source Technology Center
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