[PATCH] acpi bridge hotadd: Fix pci_enable_device() for p2p bridges
[linux-2.6.git] / arch / ia64 / pci / pci.c
index c0661d3..2a14877 100644 (file)
@@ -418,18 +418,24 @@ pcibios_enable_resources (struct pci_dev *dev, int mask)
        u16 cmd, old_cmd;
        int idx;
        struct resource *r;
+       unsigned long type_mask = IORESOURCE_IO | IORESOURCE_MEM;
 
        if (!dev)
                return -EINVAL;
 
        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 desired resources.  */
                if (!(mask & (1 << idx)))
                        continue;
 
                r = &dev->resource[idx];
+               if (!(r->flags & type_mask))
+                       continue;
+               if ((idx == PCI_ROM_RESOURCE) &&
+                               (!(r->flags & IORESOURCE_ROM_ENABLE)))
+                       continue;
                if (!r->start && r->end) {
                        printk(KERN_ERR
                               "PCI: Device %s not available because of resource collisions\n",
@@ -441,8 +447,6 @@ pcibios_enable_resources (struct pci_dev *dev, int mask)
                if (r->flags & IORESOURCE_MEM)
                        cmd |= PCI_COMMAND_MEMORY;
        }
-       if (dev->resource[PCI_ROM_RESOURCE].start)
-               cmd |= PCI_COMMAND_MEMORY;
        if (cmd != old_cmd) {
                printk("PCI: Enabling device %s (%04x -> %04x)\n", pci_name(dev), old_cmd, cmd);
                pci_write_config_word(dev, PCI_COMMAND, cmd);