diff options
Diffstat (limited to 'drivers/pci/setup-bus.c')
| -rw-r--r-- | drivers/pci/setup-bus.c | 22 |
1 files changed, 8 insertions, 14 deletions
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c index 1ba84be0b4c0..6d864c502a1f 100644 --- a/drivers/pci/setup-bus.c +++ b/drivers/pci/setup-bus.c @@ -40,7 +40,7 @@ * FIXME: IO should be max 256 bytes. However, since we may * have a P2P bridge below a cardbus bridge, we need 4K. */ -#define CARDBUS_IO_SIZE (4096) +#define CARDBUS_IO_SIZE (256) #define CARDBUS_MEM_SIZE (32*1024*1024) static void __devinit @@ -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) |