powerpc/pci: Clean up direct access to sysdata by celleb platforms

We shouldn't directly access sysdata to get the device node to just
go get the pci_controller.  We can call pci_bus_to_host() for this
purpose.

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

1 files changed, 2 insertions, 11 deletions

diff --git a/arch/powerpc/platforms/cell/celleb_scc_epci.c b/arch/powerpc/platforms/cell/celleb_scc_epci.c
index 48ec88a38a12..05b0db3ef638 100644
--- a/arch/powerpc/platforms/cell/celleb_scc_epci.c
+++ b/arch/powerpc/platforms/cell/celleb_scc_epci.c
@@ -134,15 +134,11 @@ static int celleb_epci_read_config(struct pci_bus *bus,
 {
         PCI_IO_ADDR epci_base;
         PCI_IO_ADDR addr;
-        struct device_node *node;
-        struct pci_controller *hose;
+        struct pci_controller *hose = pci_bus_to_host(bus);
 
         /* allignment check */
         BUG_ON(where % size);
 
-        node = (struct device_node *)bus->sysdata;
-        hose = pci_find_hose_for_OF_device(node);
-
         if (!celleb_epci_get_epci_cfg(hose))
                 return PCIBIOS_DEVICE_NOT_FOUND;
 
@@ -198,16 +194,11 @@ static int celleb_epci_write_config(struct pci_bus *bus,
 {
         PCI_IO_ADDR epci_base;
         PCI_IO_ADDR addr;
-        struct device_node *node;
-        struct pci_controller *hose;
+        struct pci_controller *hose = pci_bus_to_host(bus);
 
         /* allignment check */
         BUG_ON(where % size);
 
-        node = (struct device_node *)bus->sysdata;
-        hose = pci_find_hose_for_OF_device(node);
-
-
         if (!celleb_epci_get_epci_cfg(hose))
                 return PCIBIOS_DEVICE_NOT_FOUND;