Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / arch / mips / pci / pci.c

diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c
index 8141dff..21402ff 100644 (file)
--- a/arch/mips/pci/pci.c
+++ b/arch/mips/pci/pci.c
@@ -127,15 +127,20 @@ static int __init pcibios_init(void)
                if (!hose->iommu)
                        PCI_DMA_BUS_IS_PHYS = 1;
 
+               if (hose->get_busno && pci_probe_only)
+                       next_busno = (*hose->get_busno)();
+
                bus = pci_scan_bus(next_busno, hose->pci_ops, hose);
                hose->bus = bus;
                hose->need_domain_info = need_domain_info;
-               next_busno = bus->subordinate + 1;
-               /* Don't allow 8-bit bus number overflow inside the hose -
-                  reserve some space for bridges. */ 
-               if (next_busno > 224) {
-                       next_busno = 0;
-                       need_domain_info = 1;
+               if (bus) {
+                       next_busno = bus->subordinate + 1;
+                       /* Don't allow 8-bit bus number overflow inside the hose -
+                          reserve some space for bridges. */
+                       if (next_busno > 224) {
+                               next_busno = 0;
+                               need_domain_info = 1;
+                       }
                }
                continue;
 
@@ -164,7 +169,7 @@ static int pcibios_enable_resources(struct pci_dev *dev, int mask)
 
        pci_read_config_word(dev, PCI_COMMAND, &cmd);
        old_cmd = cmd;
-       for(idx=0; idx<6; idx++) {
+       for (idx=0; idx < PCI_NUM_RESOURCES; idx++) {
                /* Only set up the requested stuff */
                if (!(mask & (1<<idx)))
                        continue;
@@ -260,7 +265,7 @@ void __devinit pcibios_fixup_bus(struct pci_bus *bus)
                   (dev->class >> 8) == PCI_CLASS_BRIDGE_PCI) {
                pci_read_bridge_bases(bus);
                pcibios_fixup_device_resources(dev, bus);
-       } 
+       }
 
        for (ln = bus->devices.next; ln != &bus->devices; ln = ln->next) {
                struct pci_dev *dev = pci_dev_b(ln);
@@ -292,8 +297,25 @@ pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
        region->end = res->end - offset;
 }
 
+void __devinit
+pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
+                       struct pci_bus_region *region)
+{
+       struct pci_controller *hose = (struct pci_controller *)dev->sysdata;
+       unsigned long offset = 0;
+
+       if (res->flags & IORESOURCE_IO)
+               offset = hose->io_offset;
+       else if (res->flags & IORESOURCE_MEM)
+               offset = hose->mem_offset;
+
+       res->start = region->start + offset;
+       res->end = region->end + offset;
+}
+
 #ifdef CONFIG_HOTPLUG
 EXPORT_SYMBOL(pcibios_resource_to_bus);
+EXPORT_SYMBOL(pcibios_bus_to_resource);
 EXPORT_SYMBOL(PCIBIOS_MIN_IO);
 EXPORT_SYMBOL(PCIBIOS_MIN_MEM);
 #endif