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path: root/drivers/pci/setup-bus.c
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Diffstat (limited to 'drivers/pci/setup-bus.c')
-rw-r--r--drivers/pci/setup-bus.c50
1 files changed, 25 insertions, 25 deletions
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index d533102b2788..ee5be219dd41 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -1866,16 +1866,6 @@ static void pci_bus_distribute_available_resources(struct pci_bus *bus,
available_mmio_pref);
/*
- * Calculate the total amount of extra resource space we can
- * pass to bridges below this one. This is basically the
- * extra space reduced by the minimal required space for the
- * non-hotplug bridges.
- */
- remaining_io = available_io;
- remaining_mmio = available_mmio;
- remaining_mmio_pref = available_mmio_pref;
-
- /*
* Calculate how many hotplug bridges and normal bridges there
* are on this bus. We will distribute the additional available
* resources between hotplug bridges.
@@ -1887,6 +1877,31 @@ static void pci_bus_distribute_available_resources(struct pci_bus *bus,
normal_bridges++;
}
+ /*
+ * There is only one bridge on the bus so it gets all available
+ * resources which it can then distribute to the possible hotplug
+ * bridges below.
+ */
+ if (hotplug_bridges + normal_bridges == 1) {
+ dev = list_first_entry(&bus->devices, struct pci_dev, bus_list);
+ if (dev->subordinate) {
+ pci_bus_distribute_available_resources(dev->subordinate,
+ add_list, available_io, available_mmio,
+ available_mmio_pref);
+ }
+ return;
+ }
+
+ /*
+ * Calculate the total amount of extra resource space we can
+ * pass to bridges below this one. This is basically the
+ * extra space reduced by the minimal required space for the
+ * non-hotplug bridges.
+ */
+ remaining_io = available_io;
+ remaining_mmio = available_mmio;
+ remaining_mmio_pref = available_mmio_pref;
+
for_each_pci_bridge(dev, bus) {
const struct resource *res;
@@ -1911,21 +1926,6 @@ static void pci_bus_distribute_available_resources(struct pci_bus *bus,
}
/*
- * There is only one bridge on the bus so it gets all available
- * resources which it can then distribute to the possible hotplug
- * bridges below.
- */
- if (hotplug_bridges + normal_bridges == 1) {
- dev = list_first_entry(&bus->devices, struct pci_dev, bus_list);
- if (dev->subordinate) {
- pci_bus_distribute_available_resources(dev->subordinate,
- add_list, available_io, available_mmio,
- available_mmio_pref);
- }
- return;
- }
-
- /*
* Go over devices on this bus and distribute the remaining
* resource space between hotplug bridges.
*/