parisc/PCI: lba: 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, 17 insertions, 12 deletions

diff --git a/drivers/parisc/lba_pci.c b/drivers/parisc/lba_pci.c
index e5dfa25e2fd..d5f3d753a10 100644
--- a/drivers/parisc/lba_pci.c
+++ b/drivers/parisc/lba_pci.c
@@ -653,7 +653,7 @@ lba_fixup_bus(struct pci_bus *bus)
                 }
         } else {
                 /* Host-PCI Bridge */
-                int err, i;
+                int err;
 
                 DBG("lba_fixup_bus() %s [%lx/%lx]/%lx\n",
                         ldev->hba.io_space.name,
@@ -669,9 +669,6 @@ lba_fixup_bus(struct pci_bus *bus)
                         lba_dump_res(&ioport_resource, 2);
                         BUG();
                 }
-                /* advertize Host bridge resources to PCI bus */
-                bus->resource[0] = &(ldev->hba.io_space);
-                i = 1;
 
                 if (ldev->hba.elmmio_space.start) {
                         err = request_resource(&iomem_resource,
@@ -685,8 +682,7 @@ lba_fixup_bus(struct pci_bus *bus)
 
                                 /* lba_dump_res(&iomem_resource, 2); */
                                 /* BUG(); */
-                        } else
-                                bus->resource[i++] = &(ldev->hba.elmmio_space);
+                        }
                 }
 
                 if (ldev->hba.lmmio_space.flags) {
@@ -696,8 +692,7 @@ lba_fixup_bus(struct pci_bus *bus)
                                         "lmmio_space [%lx/%lx]\n",
                                         (long)ldev->hba.lmmio_space.start,
                                         (long)ldev->hba.lmmio_space.end);
-                        } else
-                                bus->resource[i++] = &(ldev->hba.lmmio_space);
+                        }
                 }
 
 #ifdef CONFIG_64BIT
@@ -712,7 +707,6 @@ lba_fixup_bus(struct pci_bus *bus)
                                 lba_dump_res(&iomem_resource, 2);
                                 BUG();
                         }
-                        bus->resource[i++] = &(ldev->hba.gmmio_space);
                 }
 #endif
 
@@ -1388,6 +1382,7 @@ static int __init
 lba_driver_probe(struct parisc_device *dev)
 {
         struct lba_device *lba_dev;
+        LIST_HEAD(resources);
         struct pci_bus *lba_bus;
         struct pci_ops *cfg_ops;
         u32 func_class;
@@ -1519,12 +1514,22 @@ lba_driver_probe(struct parisc_device *dev)
                 lba_dev->hba.lmmio_space.flags = 0;
         }
 
+        pci_add_resource(&resources, &lba_dev->hba.io_space);
+        if (lba_dev->hba.elmmio_space.start)
+                pci_add_resource(&resources, &lba_dev->hba.elmmio_space);
+        if (lba_dev->hba.lmmio_space.flags)
+                pci_add_resource(&resources, &lba_dev->hba.lmmio_space);
+        if (lba_dev->hba.gmmio_space.flags)
+                pci_add_resource(&resources, &lba_dev->hba.gmmio_space);
+
         dev->dev.platform_data = lba_dev;
         lba_bus = lba_dev->hba.hba_bus =
-                pci_create_bus(&dev->dev, lba_dev->hba.bus_num.start,
-                               cfg_ops, NULL);
-        if (!lba_bus)
+                pci_create_root_bus(&dev->dev, lba_dev->hba.bus_num.start,
+                                    cfg_ops, NULL, &resources);
+        if (!lba_bus) {
+                pci_free_resource_list(&resources);
                 return 0;
+        }
 
         lba_bus->subordinate = pci_scan_child_bus(lba_bus);