Merge /spare/repo/linux-2.6/

[linux-2.6] / drivers / pci / setup-res.c

diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c
index 1ca21d2ba11c68dc93ae9b8746c0e0755b85bfa3..84eedc965688da31f9c6131104e7d52c7a9c0631 100644 (file)
--- 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) {