Now we could use pci_scan_host_bridge() to scan
pci buses, provide powerpc specific pci_host_bridge_ops.

Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Yijing Wang <redacted>
CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CC: linuxppc-dev at lists.ozlabs.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
---
 arch/powerpc/include/asm/machdep.h       |    2 +-
 arch/powerpc/kernel/pci-common.c         |   63 ++++++++++++++++++------------
 arch/powerpc/platforms/pseries/pci.c     |    8 ++--
 arch/powerpc/platforms/pseries/pseries.h |    2 +-
 4 files changed, 44 insertions(+), 31 deletions(-)

diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h
index 8e7f2a8..b811d12 100644
--- a/arch/powerpc/include/asm/machdep.h
+++ b/arch/powerpc/include/asm/machdep.h

@@ -129,7 +129,7 @@ struct machdep_calls {
        void            (*pcibios_fixup)(void);
        int             (*pci_probe_mode)(struct pci_bus *);
        void            (*pci_irq_fixup)(struct pci_dev *dev);
-       int             (*pcibios_set_root_bus_speed)(struct pci_host_bridge
+       void            (*pcibios_set_root_bus_speed)(struct pci_host_bridge
                                *bridge);