On Tue, 22 Dec 2009 15:02:30 -0800
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.
> use pci_assign_nassigned_bridge_resources
>
> Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>
> ---
> drivers/pci/hotplug/pciehp_pci.c | 23 +++++++++++++++++------
> 1 files changed, 17 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/pci/hotplug/pciehp_pci.c
> b/drivers/pci/hotplug/pciehp_pci.c index 2173310..0a16444 100644
> --- a/drivers/pci/hotplug/pciehp_pci.c
> +++ b/drivers/pci/hotplug/pciehp_pci.c
> @@ -53,17 +53,15 @@ static int __ref pciehp_add_bridge(struct pci_dev
> *dev) busnr = pci_scan_bridge(parent, dev, busnr, pass);
> if (!dev->subordinate)
> return -1;
> - pci_bus_size_bridges(dev->subordinate);
> - pci_bus_assign_resources(parent);
> - pci_enable_bridges(parent);
> - pci_bus_add_devices(parent);
> +
> return 0;
> }
>
> int pciehp_configure_device(struct slot *p_slot)
> {
> struct pci_dev *dev;
> - struct pci_bus *parent =
> p_slot->ctrl->pcie->port->subordinate;
> + struct pci_dev *bridge = p_slot->ctrl->pcie->port;
> + struct pci_bus *parent = bridge->subordinate;
> int num, fn;
> struct controller *ctrl = p_slot->ctrl;
>
> @@ -96,12 +94,25 @@ int pciehp_configure_device(struct slot *p_slot)
> (dev->hdr_type ==
> PCI_HEADER_TYPE_CARDBUS)) { pciehp_add_bridge(dev);
> }
> + pci_dev_put(dev);
> + }
> +
> + pci_assign_unassigned_bridge_resources(bridge);
> +
> + for (fn = 0; fn < 8; fn++) {
> + dev = pci_get_slot(parent, PCI_DEVFN(0, fn));
> + if (!dev)
> + continue;
> + if ((dev->class >> 16) == PCI_BASE_CLASS_DISPLAY) {
> + pci_dev_put(dev);
> + continue;
> + }
> pci_configure_slot(dev);
> pci_dev_put(dev);
> }
>
> - pci_bus_assign_resources(parent);
> pci_bus_add_devices(parent);
> +
> return 0;
> }
This seems like a nice cleanup, can you rebase on the merged patches
from 9/14 (including the master bit change Kenji-san wanted)?
Thanks,
--
Jesse Barnes, Intel Open Source Technology Center
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