1 files changed, 43 insertions, 27 deletions

diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index 88641e5095b5..54d9ed444e4a 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -33,8 +33,6 @@
 #include <asm/hw_irq.h>
 
 
-static int pci_routeirq;
-
 /*
  * Low-level SAL-based PCI configuration access functions. Note that SAL
  * calls are already serialized (via sal_lock), so we don't need another
@@ -139,24 +137,8 @@ static void acpi_map_iosapics(void)
 static int __init
 pci_acpi_init (void)
 {
-        struct pci_dev *dev = NULL;
-
-        printk(KERN_INFO "PCI: Using ACPI for IRQ routing\n");
-
         acpi_map_iosapics();
 
-        if (pci_routeirq) {
-                /*
-                 * PCI IRQ routing is set up by pci_enable_device(), but we
-                 * also do it here in case there are still broken drivers that
-                 * don't use pci_enable_device().
-                 */
-                printk(KERN_INFO "PCI: Routing interrupts for all devices because \"pci=routeirq\" specified\n");
-                for_each_pci_dev(dev)
-                        acpi_pci_irq_enable(dev);
-        } else
-                printk(KERN_INFO "PCI: If a device doesn't work, try \"pci=routeirq\".  If it helps, post a report\n");
-
         return 0;
 }
 
@@ -175,6 +157,7 @@ alloc_pci_controller (int seg)
 
         memset(controller, 0, sizeof(*controller));
         controller->segment = seg;
+        controller->node = -1;
         return controller;
 }
 
@@ -306,6 +289,7 @@ pci_acpi_scan_root(struct acpi_device *device, int domain, int bus)
         unsigned int windows = 0;
         struct pci_bus *pbus;
         char *name;
+        int pxm;
 
         controller = alloc_pci_controller(domain);
         if (!controller)
@@ -313,10 +297,16 @@ pci_acpi_scan_root(struct acpi_device *device, int domain, int bus)
 
         controller->acpi_handle = device->handle;
 
+        pxm = acpi_get_pxm(controller->acpi_handle);
+#ifdef CONFIG_NUMA
+        if (pxm >= 0)
+                controller->node = pxm_to_nid_map[pxm];
+#endif
+
         acpi_walk_resources(device->handle, METHOD_NAME__CRS, count_window,
                         &windows);
-        controller->window = kmalloc(sizeof(*controller->window) * windows,
-                        GFP_KERNEL);
+        controller->window = kmalloc_node(sizeof(*controller->window) * windows,
+                        GFP_KERNEL, controller->node);
         if (!controller->window)
                 goto out2;
 
@@ -330,7 +320,7 @@ pci_acpi_scan_root(struct acpi_device *device, int domain, int bus)
         acpi_walk_resources(device->handle, METHOD_NAME__CRS, add_window,
                         &info);
 
-        pbus = pci_scan_bus(bus, &pci_root_ops, controller);
+        pbus = pci_scan_bus_parented(NULL, bus, &pci_root_ops, controller);
         if (pbus)
                 pcibios_setup_root_windows(pbus, controller);
 
@@ -391,6 +381,25 @@ void pcibios_bus_to_resource(struct pci_dev *dev,
         res->end = region->end + offset;
 }
 
+static int __devinit is_valid_resource(struct pci_dev *dev, int idx)
+{
+        unsigned int i, type_mask = IORESOURCE_IO | IORESOURCE_MEM;
+        struct resource *devr = &dev->resource[idx];
+
+        if (!dev->bus)
+                return 0;
+        for (i=0; i<PCI_BUS_NUM_RESOURCES; i++) {
+                struct resource *busr = dev->bus->resource[i];
+
+                if (!busr || ((busr->flags ^ devr->flags) & type_mask))
+                        continue;
+                if ((devr->start) && (devr->start >= busr->start) &&
+                                (devr->end <= busr->end))
+                        return 1;
+        }
+        return 0;
+}
+
 static void __devinit pcibios_fixup_device_resources(struct pci_dev *dev)
 {
         struct pci_bus_region region;
@@ -404,7 +413,8 @@ static void __devinit pcibios_fixup_device_resources(struct pci_dev *dev)
                 region.start = dev->resource[i].start;
                 region.end = dev->resource[i].end;
                 pcibios_bus_to_resource(dev, &dev->resource[i], &region);
-                pci_claim_resource(dev, i);
+                if ((is_valid_resource(dev, i)))
+                        pci_claim_resource(dev, i);
         }
 }
 
@@ -416,6 +426,10 @@ pcibios_fixup_bus (struct pci_bus *b)
 {
         struct pci_dev *dev;
 
+        if (b->self) {
+                pci_read_bridge_bases(b);
+                pcibios_fixup_device_resources(b->self);
+        }
         list_for_each_entry(dev, &b->devices, bus_list)
                 pcibios_fixup_device_resources(dev);
 
@@ -436,18 +450,24 @@ 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",
@@ -459,8 +479,6 @@ 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);
@@ -500,8 +518,6 @@ pcibios_align_resource (void *data, struct resource *res,
 char * __init
 pcibios_setup (char *str)
 {
-        if (!strcmp(str, "routeirq"))
-                pci_routeirq = 1;
         return NULL;
 }