We shouldn't directly access sysdata to get the pci_controller.  Instead
use pci_bus_to_host() for this purpose.  In the future we might have
sysdata be a device_node to match ppc64 and unify the code between ppc32
& ppc64.

Signed-off-by: Kumar Gala <ga...@kernel.crashing.org>
---
 arch/powerpc/sysdev/ppc4xx_pci.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/sysdev/ppc4xx_pci.c b/arch/powerpc/sysdev/ppc4xx_pci.c
index 6a2d473..daefc93 100644
--- a/arch/powerpc/sysdev/ppc4xx_pci.c
+++ b/arch/powerpc/sysdev/ppc4xx_pci.c
@@ -1295,7 +1295,7 @@ static void __iomem *ppc4xx_pciex_get_config_base(struct 
ppc4xx_pciex_port *port
 static int ppc4xx_pciex_read_config(struct pci_bus *bus, unsigned int devfn,
                                    int offset, int len, u32 *val)
 {
-       struct pci_controller *hose = (struct pci_controller *) bus->sysdata;
+       struct pci_controller *hose = pci_bus_to_host(bus);
        struct ppc4xx_pciex_port *port =
                &ppc4xx_pciex_ports[hose->indirect_type];
        void __iomem *addr;
@@ -1352,7 +1352,7 @@ static int ppc4xx_pciex_read_config(struct pci_bus *bus, 
unsigned int devfn,
 static int ppc4xx_pciex_write_config(struct pci_bus *bus, unsigned int devfn,
                                     int offset, int len, u32 val)
 {
-       struct pci_controller *hose = (struct pci_controller *) bus->sysdata;
+       struct pci_controller *hose = pci_bus_to_host(bus);
        struct ppc4xx_pciex_port *port =
                &ppc4xx_pciex_ports[hose->indirect_type];
        void __iomem *addr;
-- 
1.6.0.6

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