diff options
| author | Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com> | 2006-09-12 10:21:44 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-09-26 17:43:54 -0700 |
| commit | 23186279658cea6d42a050400d3e79c56cb459b4 (patch) | |
| tree | 6ee58000baed3cd34af6a47f49f0d6107c3bdf2d /drivers/pci | |
| parent | d5cdb67236dba94496de052c9f9f431e1fc658f4 (diff) | |
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 <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: MUNEDA Takahiro <muneda.takahiro@jp.fujitsu.com>
Signed-off-by: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/setup-bus.c | 13 |
1 files changed, 10 insertions, 3 deletions
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); } |