sparc: Move core of OF device tree building code into prom_common.c
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/prom_common.c b/arch/sparc/kernel/prom_common.c
index d3eddc7..3b5de2f 100644
--- a/arch/sparc/kernel/prom_common.c
+++ b/arch/sparc/kernel/prom_common.c
@@ -216,8 +216,8 @@
return buf;
}
-struct device_node * __init create_node(phandle node,
- struct device_node *parent)
+struct device_node * __init prom_create_node(phandle node,
+ struct device_node *parent)
{
struct device_node *dp;
@@ -240,3 +240,56 @@
return dp;
}
+
+static char * __init build_full_name(struct device_node *dp)
+{
+ int len, ourlen, plen;
+ char *n;
+
+ plen = strlen(dp->parent->full_name);
+ ourlen = strlen(dp->path_component_name);
+ len = ourlen + plen + 2;
+
+ n = prom_early_alloc(len);
+ strcpy(n, dp->parent->full_name);
+ if (!is_root_node(dp->parent)) {
+ strcpy(n + plen, "/");
+ plen++;
+ }
+ strcpy(n + plen, dp->path_component_name);
+
+ return n;
+}
+
+struct device_node * __init prom_build_tree(struct device_node *parent,
+ phandle node,
+ struct device_node ***nextp)
+{
+ struct device_node *ret = NULL, *prev_sibling = NULL;
+ struct device_node *dp;
+
+ while (1) {
+ dp = prom_create_node(node, parent);
+ if (!dp)
+ break;
+
+ if (prev_sibling)
+ prev_sibling->sibling = dp;
+
+ if (!ret)
+ ret = dp;
+ prev_sibling = dp;
+
+ *(*nextp) = dp;
+ *nextp = &dp->allnext;
+
+ dp->path_component_name = build_path_component(dp);
+ dp->full_name = build_full_name(dp);
+
+ dp->child = prom_build_tree(dp, prom_getchild(node), nextp);
+
+ node = prom_getsibling(node);
+ }
+
+ return ret;
+}