1 files changed, 24 insertions, 9 deletions

diff --git a/arch/sparc64/kernel/of_device.c b/arch/sparc64/kernel/of_device.c
index d3dfb2a36d47..983ca5f485cf 100644
--- a/arch/sparc64/kernel/of_device.c
+++ b/arch/sparc64/kernel/of_device.c
@@ -402,16 +402,22 @@ static void of_bus_sbus_count_cells(struct device_node *child,
                 *sizec = 1;
 }
 
-static int of_bus_sbus_map(u32 *addr, const u32 *range, int na, int ns, int pna)
-{
-        return of_bus_default_map(addr, range, na, ns, pna);
-}
-
-static unsigned int of_bus_sbus_get_flags(u32 *addr)
+/*
+ * FHC/Central bus specific translator.
+ *
+ * This is just needed to hard-code the address and size cell
+ * counts.  'fhc' and 'central' nodes lack the #address-cells and
+ * #size-cells properties, and if you walk to the root on such
+ * Enterprise boxes all you'll get is a #size-cells of 2 which is
+ * not what we want to use.
+ */
+static int of_bus_fhc_match(struct device_node *np)
 {
-        return IORESOURCE_MEM;
+        return !strcmp(np->name, "fhc") ||
+                !strcmp(np->name, "central");
 }
 
+#define of_bus_fhc_count_cells of_bus_sbus_count_cells
 
 /*
  * Array of bus specific translators
@@ -433,8 +439,17 @@ static struct of_bus of_busses[] = {
                 .addr_prop_name = "reg",
                 .match = of_bus_sbus_match,
                 .count_cells = of_bus_sbus_count_cells,
-                .map = of_bus_sbus_map,
-                .get_flags = of_bus_sbus_get_flags,
+                .map = of_bus_default_map,
+                .get_flags = of_bus_default_get_flags,
+        },
+        /* FHC */
+        {
+                .name = "fhc",
+                .addr_prop_name = "reg",
+                .match = of_bus_fhc_match,
+                .count_cells = of_bus_fhc_count_cells,
+                .map = of_bus_default_map,
+                .get_flags = of_bus_default_get_flags,
         },
         /* Default */
         {