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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.c20
1 files changed, 7 insertions, 13 deletions
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 1ba84be0b4c0..a2eebc6eaacc 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -51,8 +51,6 @@ pbus_assign_resources_sorted(struct pci_bus *bus)
struct resource_list head, *list, *tmp;
int idx;
- bus->bridge_ctl &= ~PCI_BRIDGE_CTL_VGA;
-
head.next = NULL;
list_for_each_entry(dev, &bus->devices, bus_list) {
u16 class = dev->class >> 8;
@@ -62,17 +60,17 @@ pbus_assign_resources_sorted(struct pci_bus *bus)
class == PCI_CLASS_BRIDGE_HOST)
continue;
- if (class == PCI_CLASS_DISPLAY_VGA ||
- class == PCI_CLASS_NOT_DEFINED_VGA)
- bus->bridge_ctl |= PCI_BRIDGE_CTL_VGA;
-
pdev_sort_resources(dev, &head);
}
for (list = head.next; list;) {
res = list->res;
idx = res - &list->dev->resource[0];
- pci_assign_resource(list->dev, idx);
+ if (pci_assign_resource(list->dev, idx)) {
+ res->start = 0;
+ res->end = 0;
+ res->flags = 0;
+ }
tmp = list;
list = list->next;
kfree(tmp);
@@ -270,6 +268,8 @@ find_free_bus_resource(struct pci_bus *bus, unsigned long type)
for (i = 0; i < PCI_BUS_NUM_RESOURCES; i++) {
r = bus->resource[i];
+ if (r == &ioport_resource || r == &iomem_resource)
+ continue;
if (r && (r->flags & type_mask) == type && !r->parent)
return r;
}
@@ -503,12 +503,6 @@ pci_bus_assign_resources(struct pci_bus *bus)
pbus_assign_resources_sorted(bus);
- if (bus->bridge_ctl & PCI_BRIDGE_CTL_VGA) {
- /* Propagate presence of the VGA to upstream bridges */
- for (b = bus; b->parent; b = b->parent) {
- b->bridge_ctl |= PCI_BRIDGE_CTL_VGA;
- }
- }
list_for_each_entry(dev, &bus->devices, bus_list) {
b = dev->subordinate;
if (!b)