summaryrefslogtreecommitdiff
path: root/drivers/pci/setup-res.c
diff options
context:
space:
mode:
authorJeff Garzik <jgarzik@pobox.com>2005-08-17 00:51:31 -0400
committerJeff Garzik <jgarzik@pobox.com>2005-08-17 00:51:31 -0400
commita2e30e529a48ef4e106e405f91cf4ae525bb01c4 (patch)
tree2def96ef17c0672c30f1a10287552978bf1d0b1c /drivers/pci/setup-res.c
parentedb3366703224d5d8df573ae698ccd6b488dc743 (diff)
parent2ad56496627630ebc99f06af5f81ca23e17e014e (diff)
Merge /spare/repo/linux-2.6/
Diffstat (limited to 'drivers/pci/setup-res.c')
-rw-r--r--drivers/pci/setup-res.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c
index 1ca21d2ba11c..84eedc965688 100644
--- a/drivers/pci/setup-res.c
+++ b/drivers/pci/setup-res.c
@@ -33,6 +33,11 @@ pci_update_resource(struct pci_dev *dev, struct resource *res, int resno)
u32 new, check, mask;
int reg;
+ /* Ignore resources for unimplemented BARs and unused resource slots
+ for 64 bit BARs. */
+ if (!res->flags)
+ return;
+
pcibios_resource_to_bus(dev, &region, res);
pr_debug(" got res [%lx:%lx] bus [%lx:%lx] flags %lx for "
@@ -67,7 +72,7 @@ pci_update_resource(struct pci_dev *dev, struct resource *res, int resno)
if ((new & (PCI_BASE_ADDRESS_SPACE|PCI_BASE_ADDRESS_MEM_TYPE_MASK)) ==
(PCI_BASE_ADDRESS_SPACE_MEMORY|PCI_BASE_ADDRESS_MEM_TYPE_64)) {
- new = 0; /* currently everyone zeros the high address */
+ new = region.start >> 16 >> 16;
pci_write_config_dword(dev, reg + 4, new);
pci_read_config_dword(dev, reg + 4, &check);
if (check != new) {