From: Satoru Takeuchi Date: Tue, 12 Sep 2006 17:21:44 +0000 (-0700) Subject: PCI: assign ioapic resource at hotplug X-Git-Tag: v2.6.19-rc1~1004^2~3 X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=23186279658cea6d42a050400d3e79c56cb459b4;p=~shefty%2Frdma-dev.git PCI: assign ioapic resource at hotplug We need to assign resources to ioapics being hot-added. This patch changes pbus_assign_resources_sorted() to assign resources if the ioapic has no assigned resources. Signed-off-by: Kenji Kaneshige Signed-off-by: MUNEDA Takahiro Signed-off-by: Satoru Takeuchi Signed-off-by: Kristen Carlson Accardi Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c index 47c1071ad84..54404917be9 100644 --- a/drivers/pci/setup-bus.c +++ b/drivers/pci/setup-bus.c @@ -55,12 +55,19 @@ pbus_assign_resources_sorted(struct pci_bus *bus) list_for_each_entry(dev, &bus->devices, bus_list) { u16 class = dev->class >> 8; - /* Don't touch classless devices or host bridges or ioapics. */ + /* Don't touch classless devices or host bridges. */ if (class == PCI_CLASS_NOT_DEFINED || - class == PCI_CLASS_BRIDGE_HOST || - class == PCI_CLASS_SYSTEM_PIC) + class == PCI_CLASS_BRIDGE_HOST) continue; + /* Don't touch ioapics if it has the assigned resources. */ + if (class == PCI_CLASS_SYSTEM_PIC) { + res = &dev->resource[0]; + if (res[0].start || res[1].start || res[2].start || + res[3].start || res[4].start || res[5].start) + continue; + } + pdev_sort_resources(dev, &head); }