diff options
| author | Yinghai Lu <yinghai@kernel.org> | 2012-10-30 14:31:32 -0600 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2012-11-03 16:20:38 -0600 |
| commit | 62a08c5a3173c4462239804b959c0d29dc74493b (patch) | |
| tree | a01315c7189520e4d729d37ad8a9370d5482dfd4 /drivers/acpi/pci_root.c | |
| parent | e164f658f209b85566732bd85c62009237be0909 (diff) | |
PCI/ACPI: Assign unassigned resource for hot-added root bus
After we get hot-added IOAPIC registered.
pci_enable_bridges() will try to enable IOAPIC IRQ for PCI bridges.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/pci_root.c')
| -rw-r--r-- | drivers/acpi/pci_root.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index bce469c0b48..27adbfdffb0 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -644,12 +644,19 @@ static int acpi_pci_root_start(struct acpi_device *device) struct acpi_pci_root *root = acpi_driver_data(device); struct acpi_pci_driver *driver; + if (system_state != SYSTEM_BOOTING) + pci_assign_unassigned_bus_resources(root->bus); + mutex_lock(&acpi_pci_root_lock); list_for_each_entry(driver, &acpi_pci_drivers, node) if (driver->add) driver->add(root); mutex_unlock(&acpi_pci_root_lock); + /* need to after hot-added ioapic is registered */ + if (system_state != SYSTEM_BOOTING) + pci_enable_bridges(root->bus); + pci_bus_add_devices(root->bus); return 0; |