[POWERPC] Use global_number in ppc32 pci_controller

Make the pci_controller struct use global_number for the PHB domain number
instead of index to match what ppc64 does and reuse its pci_domain_nr code.

Introduced a pci-common.c to handle shared code between ppc32 & ppc64.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

1 files changed, 0 insertions, 16 deletions

diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index 9fa2ecb8c1e4..57bdcd88f04a 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -636,22 +636,6 @@ int pcibios_enable_device(struct pci_dev *dev, int mask)
         return 0;
 }
 
-/*
- * Return the domain number for this bus.
- */
-int pci_domain_nr(struct pci_bus *bus)
-{
-        if (firmware_has_feature(FW_FEATURE_ISERIES))
-                return 0;
-        else {
-                struct pci_controller *hose = pci_bus_to_host(bus);
-
-                return hose->global_number;
-        }
-}
-
-EXPORT_SYMBOL(pci_domain_nr);
-
 /* Decide whether to display the domain number in /proc */
 int pci_proc_domain(struct pci_bus *bus)
 {