We shouldn't directly access sysdata to get the device node but call
pci_bus_to_OF_node() for this purpose.

Signed-off-by: Kumar Gala <ga...@kernel.crashing.org>
---
 arch/powerpc/kernel/rtas_pci.c |   10 ++--------
 1 files changed, 2 insertions(+), 8 deletions(-)

diff --git a/arch/powerpc/kernel/rtas_pci.c b/arch/powerpc/kernel/rtas_pci.c
index 8869001..54e66da 100644
--- a/arch/powerpc/kernel/rtas_pci.c
+++ b/arch/powerpc/kernel/rtas_pci.c
@@ -93,10 +93,7 @@ static int rtas_pci_read_config(struct pci_bus *bus,
 {
        struct device_node *busdn, *dn;
 
-       if (bus->self)
-               busdn = pci_device_to_OF_node(bus->self);
-       else
-               busdn = bus->sysdata;   /* must be a phb */
+       busdn = pci_bus_to_OF_node(bus);
 
        /* Search only direct children of the bus */
        for (dn = busdn->child; dn; dn = dn->sibling) {
@@ -140,10 +137,7 @@ static int rtas_pci_write_config(struct pci_bus *bus,
 {
        struct device_node *busdn, *dn;
 
-       if (bus->self)
-               busdn = pci_device_to_OF_node(bus->self);
-       else
-               busdn = bus->sysdata;   /* must be a phb */
+       busdn = pci_bus_to_OF_node(bus);
 
        /* Search only direct children of the bus */
        for (dn = busdn->child; dn; dn = dn->sibling) {
-- 
1.6.0.6

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