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Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/pci_root.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index 22a8458b4ec..471b2dcb1c6 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -600,8 +600,10 @@ static int acpi_pci_root_add(struct acpi_device *device)
if (device->wakeup.flags.run_wake)
device_set_run_wake(root->bus->bridge, true);
- if (system_state != SYSTEM_BOOTING)
+ if (system_state != SYSTEM_BOOTING) {
+ pcibios_resource_survey_bus(root->bus);
pci_assign_unassigned_bus_resources(root->bus);
+ }
mutex_lock(&acpi_pci_root_lock);
list_for_each_entry(driver, &acpi_pci_drivers, node)