1 files changed, 12 insertions, 24 deletions

diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c
index 132cd80afa21..d473634e39e3 100644
--- a/arch/powerpc/kernel/pci_32.c
+++ b/arch/powerpc/kernel/pci_32.c
@@ -20,6 +20,7 @@
 #include <asm/prom.h>
 #include <asm/sections.h>
 #include <asm/pci-bridge.h>
+#include <asm/ppc-pci.h>
 #include <asm/byteorder.h>
 #include <asm/uaccess.h>
 #include <asm/machdep.h>
@@ -43,8 +44,6 @@ static u8* pci_to_OF_bus_map;
  */
 static int pci_assign_all_buses;
 
-LIST_HEAD(hose_list);
-
 static int pci_bus_count;
 
 /* This will remain NULL for now, until isa-bridge.c is made common
@@ -219,16 +218,23 @@ scan_OF_pci_childs(struct device_node *parent, pci_OF_scan_iterator filter, void
 static struct device_node *scan_OF_for_pci_dev(struct device_node *parent,
                                                unsigned int devfn)
 {
-        struct device_node *np;
+        struct device_node *np, *cnp;
         const u32 *reg;
         unsigned int psize;
 
         for_each_child_of_node(parent, np) {
                 reg = of_get_property(np, "reg", &psize);
-                if (reg == NULL || psize < 4)
-                        continue;
-                if (((reg[0] >> 8) & 0xff) == devfn)
+                if (reg && psize >= 4 && ((reg[0] >> 8) & 0xff) == devfn)
                         return np;
+
+                /* Note: some OFs create a parent node "multifunc-device" as
+                 * a fake root for all functions of a multi-function device,
+                 * we go down them as well. */
+                if (!strcmp(np->name, "multifunc-device")) {
+                        cnp = scan_OF_for_pci_dev(np, devfn);
+                        if (cnp)
+                                return cnp;
+                }
         }
         return NULL;
 }
@@ -491,24 +497,6 @@ long sys_pciconfig_iobase(long which, unsigned long bus, unsigned long devfn)
         return result;
 }
 
-unsigned long pci_address_to_pio(phys_addr_t address)
-{
-        struct pci_controller *hose, *tmp;
-
-        list_for_each_entry_safe(hose, tmp, &hose_list, list_node) {
-                unsigned int size = hose->io_resource.end -
-                        hose->io_resource.start + 1;
-                if (address >= hose->io_base_phys &&
-                    address < (hose->io_base_phys + size)) {
-                        unsigned long base =
-                                (unsigned long)hose->io_base_virt - _IO_BASE;
-                        return base + (address - hose->io_base_phys);
-                }
-        }
-        return (unsigned int)-1;
-}
-EXPORT_SYMBOL(pci_address_to_pio);
-
 /*
  * Null PCI config access functions, for the case when we can't
  * find a hose.