1 files changed, 32 insertions, 13 deletions

diff --git a/arch/sparc64/kernel/of_device.c b/arch/sparc64/kernel/of_device.c
index d822c7c18e1f..cec0eceae552 100644
--- a/arch/sparc64/kernel/of_device.c
+++ b/arch/sparc64/kernel/of_device.c
@@ -131,8 +131,13 @@ static int of_device_resume(struct device * dev)
 void __iomem *of_ioremap(struct resource *res, unsigned long offset, unsigned long size, char *name)
 {
         unsigned long ret = res->start + offset;
+        struct resource *r;
 
-        if (!request_region(ret, size, name))
+        if (res->flags & IORESOURCE_MEM)
+                r = request_mem_region(ret, size, name);
+        else
+                r = request_region(ret, size, name);
+        if (!r)
                 ret = 0;
 
         return (void __iomem *) ret;
@@ -397,16 +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
@@ -428,8 +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 */
         {
@@ -841,7 +861,7 @@ static struct of_device * __init scan_one_device(struct device_node *dp,
         if (!parent)
                 strcpy(op->dev.bus_id, "root");
         else
-                sprintf(op->dev.bus_id, "%s@%08x", dp->name, dp->node);
+                sprintf(op->dev.bus_id, "%08x", dp->node);
 
         if (of_device_register(op)) {
                 printk("%s: Could not register of device.\n",
@@ -987,10 +1007,9 @@ struct of_device* of_platform_device_create(struct device_node *np,
 {
         struct of_device *dev;
 
-        dev = kmalloc(sizeof(*dev), GFP_KERNEL);
+        dev = kzalloc(sizeof(*dev), GFP_KERNEL);
         if (!dev)
                 return NULL;
-        memset(dev, 0, sizeof(*dev));
 
         dev->dev.parent = parent;
         dev->dev.bus = bus;