parisc/PCI: dino: convert to pci_create_root_bus() for correct root bus resources

Supply root bus resources to pci_create_root_bus() so they're correct
immediately.  This fixes the problem of "early" and "header" quirks seeing
incorrect root bus resources.

CC: linux-parisc@vger.kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

1 files changed, 12 insertions, 15 deletions

diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c
index 90252c016a08..7ff10c1e8664 100644
--- a/drivers/parisc/dino.c
+++ b/drivers/parisc/dino.c
@@ -562,19 +562,6 @@ dino_fixup_bus(struct pci_bus *bus)
         /* Firmware doesn't set up card-mode dino, so we have to */
         if (is_card_dino(&dino_dev->hba.dev->id)) {
                 dino_card_setup(bus, dino_dev->hba.base_addr);
-        } else if(bus->parent == NULL) {
-                /* must have a dino above it, reparent the resources
-                 * into the dino window */
-                int i;
-                struct resource *res = &dino_dev->hba.lmmio_space;
-
-                bus->resource[0] = &(dino_dev->hba.io_space);
-                for(i = 0; i < DINO_MAX_LMMIO_RESOURCES; i++) {
-                        if(res[i].flags == 0)
-                                break;
-                        bus->resource[i+1] = &res[i];
-                }
-
         } else if (bus->parent) {
                 int i;
 
@@ -927,6 +914,7 @@ static int __init dino_probe(struct parisc_device *dev)
         const char *version = "unknown";
         char *name;
         int is_cujo = 0;
+        LIST_HEAD(resources);
         struct pci_bus *bus;
         unsigned long hpa = dev->hpa.start;
 
@@ -1003,15 +991,24 @@ static int __init dino_probe(struct parisc_device *dev)
 
         dev->dev.platform_data = dino_dev;
 
+        pci_add_resource(&resources, &dino_dev->hba.io_space);
+        if (dino_dev->hba.lmmio_space.flags)
+                pci_add_resource(&resources, &dino_dev->hba.lmmio_space);
+        if (dino_dev->hba.elmmio_space.flags)
+                pci_add_resource(&resources, &dino_dev->hba.elmmio_space);
+        if (dino_dev->hba.gmmio_space.flags)
+                pci_add_resource(&resources, &dino_dev->hba.gmmio_space);
+
         /*
         ** It's not used to avoid chicken/egg problems
         ** with configuration accessor functions.
         */
-        dino_dev->hba.hba_bus = bus = pci_create_bus(&dev->dev,
-                         dino_current_bus, &dino_cfg_ops, NULL);
+        dino_dev->hba.hba_bus = bus = pci_create_root_bus(&dev->dev,
+                         dino_current_bus, &dino_cfg_ops, NULL, &resources);
         if (!bus) {
                 printk(KERN_ERR "ERROR: failed to scan PCI bus on %s (duplicate bus number %d?)\n",
                        dev_name(&dev->dev), dino_current_bus);
+                pci_free_resource_list(&resources);
                 /* increment the bus number in case of duplicates */
                 dino_current_bus++;
                 return 0;