1 files changed, 42 insertions, 20 deletions

diff --git a/arch/sparc64/kernel/of_device.c b/arch/sparc64/kernel/of_device.c
index f845f150f565..ef05d14bd7f1 100644
--- a/arch/sparc64/kernel/of_device.c
+++ b/arch/sparc64/kernel/of_device.c
@@ -55,15 +55,38 @@ struct of_device *of_find_device_by_node(struct device_node *dp)
 }
 EXPORT_SYMBOL(of_find_device_by_node);
 
-#ifdef CONFIG_PCI
-struct bus_type ebus_bus_type;
-EXPORT_SYMBOL(ebus_bus_type);
-#endif
+unsigned int irq_of_parse_and_map(struct device_node *node, int index)
+{
+        struct of_device *op = of_find_device_by_node(node);
+
+        if (!op || index >= op->num_irqs)
+                return 0;
+
+        return op->irqs[index];
+}
+EXPORT_SYMBOL(irq_of_parse_and_map);
+
+/* Take the archdata values for IOMMU, STC, and HOSTDATA found in
+ * BUS and propagate to all child of_device objects.
+ */
+void of_propagate_archdata(struct of_device *bus)
+{
+        struct dev_archdata *bus_sd = &bus->dev.archdata;
+        struct device_node *bus_dp = bus->node;
+        struct device_node *dp;
 
-#ifdef CONFIG_SBUS
-struct bus_type sbus_bus_type;
-EXPORT_SYMBOL(sbus_bus_type);
-#endif
+        for (dp = bus_dp->child; dp; dp = dp->sibling) {
+                struct of_device *op = of_find_device_by_node(dp);
+
+                op->dev.archdata.iommu = bus_sd->iommu;
+                op->dev.archdata.stc = bus_sd->stc;
+                op->dev.archdata.host_controller = bus_sd->host_controller;
+                op->dev.archdata.numa_node = bus_sd->numa_node;
+
+                if (dp->child)
+                        of_propagate_archdata(op);
+        }
+}
 
 struct bus_type of_platform_bus_type;
 EXPORT_SYMBOL(of_platform_bus_type);
@@ -378,8 +401,7 @@ static int __init build_one_resource(struct device_node *parent,
                                      int na, int ns, int pna)
 {
         const u32 *ranges;
-        unsigned int rlen;
-        int rone;
+        int rone, rlen;
 
         ranges = of_get_property(parent, "ranges", &rlen);
         if (ranges == NULL || rlen == 0) {
@@ -421,8 +443,17 @@ static int __init use_1to1_mapping(struct device_node *pp)
 
         /* If the parent is the dma node of an ISA bus, pass
          * the translation up to the root.
+         *
+         * Some SBUS devices use intermediate nodes to express
+         * hierarchy within the device itself.  These aren't
+         * real bus nodes, and don't have a 'ranges' property.
+         * But, we should still pass the translation work up
+         * to the SBUS itself.
          */
-        if (!strcmp(pp->name, "dma"))
+        if (!strcmp(pp->name, "dma") ||
+            !strcmp(pp->name, "espdma") ||
+            !strcmp(pp->name, "ledma") ||
+            !strcmp(pp->name, "lebuffer"))
                 return 0;
 
         /* Similarly for all PCI bridges, if we get this far
@@ -845,15 +876,6 @@ static int __init of_bus_driver_init(void)
         int err;
 
         err = of_bus_type_init(&of_platform_bus_type, "of");
-#ifdef CONFIG_PCI
-        if (!err)
-                err = of_bus_type_init(&ebus_bus_type, "ebus");
-#endif
-#ifdef CONFIG_SBUS
-        if (!err)
-                err = of_bus_type_init(&sbus_bus_type, "sbus");
-#endif
-
         if (!err)
                 scan_of_devices();