powerpc/pci: Use common PHB resource hookup

The 32-bit and 64-bit powerpc PCI code used to set up the resource
pointers of the root bus of a given PHB in completely different
places.

This unifies this in large part, by making 32-bit use a routine very
similar to what 64-bit does when initially scanning the PCI busses.

The actual setup of the PHB resources itself is then moved to a
common function in pci-common.c.

This should cause no functional change on 64-bit.  On 32-bit, the
effect is that the PHB resources are going to be setup a bit earlier,
instead of being setup from pcibios_fixup_bus().

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 3 insertions, 16 deletions

diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index ffada88a4484..f5fc547284bc 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -322,7 +322,7 @@ void __devinit scan_phb(struct pci_controller *hose)
 {
         struct pci_bus *bus;
         struct device_node *node = hose->dn;
-        int i, mode;
+        int mode;
 
         pr_debug("PCI: Scanning PHB %s\n",
                  node ? node->full_name : "<NO NAME>");
@@ -341,20 +341,7 @@ void __devinit scan_phb(struct pci_controller *hose)
         pcibios_map_io_space(bus);
 
         /* Wire up PHB bus resources */
-        pr_debug("PCI: PHB IO resource    = %016lx-%016lx [%lx]\n",
-                 hose->io_resource.start, hose->io_resource.end,
-                 hose->io_resource.flags);
-        bus->resource[0] = &hose->io_resource;
-        for (i = 0; i < 3; ++i) {
-                pr_debug("PCI: PHB MEM resource %d = %016lx-%016lx [%lx]\n", i,
-                         hose->mem_resources[i].start,
-                         hose->mem_resources[i].end,
-                         hose->mem_resources[i].flags);
-                bus->resource[i+1] = &hose->mem_resources[i];
-        }
-        pr_debug("PCI: PHB MEM offset     = %016lx\n", hose->pci_mem_offset);
-        pr_debug("PCI: PHB IO  offset     = %08lx\n",
-            (unsigned long)hose->io_base_virt - _IO_BASE);
+        pcibios_setup_phb_resources(hose);
 
         /* Get probe mode and perform scan */
         mode = PCI_PROBE_NORMAL;
@@ -376,7 +363,7 @@ static int __init pcibios_init(void)
 
         printk(KERN_INFO "PCI: Probing PCI hardware\n");
 
-        /* For now, override phys_mem_access_prot. If we need it,
+        /* For now, override phys_mem_access_prot. If we need it,g
          * later, we may move that initialization to each ppc_md
          */
         ppc_md.phys_mem_access_prot = pci_phys_mem_access_prot;