of/flattree: Reorder unflatten_dt_node

Move unflatten_dt_node to be grouped with non-__init functions.
Signed-off-by: NStephen Neuendorffer <stephen.neuendorffer@xilinx.com>
Signed-off-by: NGrant Likely <grant.likely@secretlab.ca>

drivers/of/fdt.c

@@ -97,115 +97,6 @@ int of_fdt_is_compatible(struct boot_param_header *blob,
 	return 0;
 }
 
-/* Everything below here references initial_boot_params directly. */
-int __initdata dt_root_addr_cells;
-int __initdata dt_root_size_cells;
-
-struct boot_param_header *initial_boot_params;
-
-#ifdef CONFIG_OF_EARLY_FLATTREE
-
-/**
- * of_scan_flat_dt - scan flattened tree blob and call callback on each.
- * @it: callback function
- * @data: context data pointer
- *
- * This function is used to scan the flattened device-tree, it is
- * used to extract the memory information at boot before we can
- * unflatten the tree
- */
-int __init of_scan_flat_dt(int (*it)(unsigned long node,
-				     const char *uname, int depth,
-				     void *data),
-			   void *data)
-{
-	unsigned long p = ((unsigned long)initial_boot_params) +
-		be32_to_cpu(initial_boot_params->off_dt_struct);
-	int rc = 0;
-	int depth = -1;
-
-	do {
-		u32 tag = be32_to_cpup((__be32 *)p);
-		char *pathp;
-
-		p += 4;
-		if (tag == OF_DT_END_NODE) {
-			depth--;
-			continue;
-		}
-		if (tag == OF_DT_NOP)
-			continue;
-		if (tag == OF_DT_END)
-			break;
-		if (tag == OF_DT_PROP) {
-			u32 sz = be32_to_cpup((__be32 *)p);
-			p += 8;
-			if (be32_to_cpu(initial_boot_params->version) < 0x10)
-				p = ALIGN(p, sz >= 8 ? 8 : 4);
-			p += sz;
-			p = ALIGN(p, 4);
-			continue;
-		}
-		if (tag != OF_DT_BEGIN_NODE) {
-			pr_err("Invalid tag %x in flat device tree!\n", tag);
-			return -EINVAL;
-		}
-		depth++;
-		pathp = (char *)p;
-		p = ALIGN(p + strlen(pathp) + 1, 4);
-		if ((*pathp) == '/') {
-			char *lp, *np;
-			for (lp = NULL, np = pathp; *np; np++)
-				if ((*np) == '/')
-					lp = np+1;
-			if (lp != NULL)
-				pathp = lp;
-		}
-		rc = it(p, pathp, depth, data);
-		if (rc != 0)
-			break;
-	} while (1);
-
-	return rc;
-}
-
-/**
- * of_get_flat_dt_root - find the root node in the flat blob
- */
-unsigned long __init of_get_flat_dt_root(void)
-{
-	unsigned long p = ((unsigned long)initial_boot_params) +
-		be32_to_cpu(initial_boot_params->off_dt_struct);
-
-	while (be32_to_cpup((__be32 *)p) == OF_DT_NOP)
-		p += 4;
-	BUG_ON(be32_to_cpup((__be32 *)p) != OF_DT_BEGIN_NODE);
-	p += 4;
-	return ALIGN(p + strlen((char *)p) + 1, 4);
-}
-
-/**
- * of_get_flat_dt_prop - Given a node in the flat blob, return the property ptr
- *
- * This function can be used within scan_flattened_dt callback to get
- * access to properties
- */
-void *__init of_get_flat_dt_prop(unsigned long node, const char *name,
-				 unsigned long *size)
-{
-	return of_fdt_get_property(initial_boot_params, node, name, size);
-}
-
-/**
- * of_flat_dt_is_compatible - Return true if given node has compat in compatible list
- * @node: node to test
- * @compat: compatible string to compare with compatible list.
- */
-int __init of_flat_dt_is_compatible(unsigned long node, const char *compat)
-{
-	return of_fdt_is_compatible(initial_boot_params, node, compat);
-}
-
 static void *unflatten_dt_alloc(unsigned long *mem, unsigned long size,
 				       unsigned long align)
 {
@@ -421,6 +312,115 @@ unsigned long unflatten_dt_node(struct boot_param_header *blob,
 	return mem;
 }
 
+/* Everything below here references initial_boot_params directly. */
+int __initdata dt_root_addr_cells;
+int __initdata dt_root_size_cells;
+
+struct boot_param_header *initial_boot_params;
+
+#ifdef CONFIG_OF_EARLY_FLATTREE
+
+/**
+ * of_scan_flat_dt - scan flattened tree blob and call callback on each.
+ * @it: callback function
+ * @data: context data pointer
+ *
+ * This function is used to scan the flattened device-tree, it is
+ * used to extract the memory information at boot before we can
+ * unflatten the tree
+ */
+int __init of_scan_flat_dt(int (*it)(unsigned long node,
+				     const char *uname, int depth,
+				     void *data),
+			   void *data)
+{
+	unsigned long p = ((unsigned long)initial_boot_params) +
+		be32_to_cpu(initial_boot_params->off_dt_struct);
+	int rc = 0;
+	int depth = -1;
+
+	do {
+		u32 tag = be32_to_cpup((__be32 *)p);
+		char *pathp;
+
+		p += 4;
+		if (tag == OF_DT_END_NODE) {
+			depth--;
+			continue;
+		}
+		if (tag == OF_DT_NOP)
+			continue;
+		if (tag == OF_DT_END)
+			break;
+		if (tag == OF_DT_PROP) {
+			u32 sz = be32_to_cpup((__be32 *)p);
+			p += 8;
+			if (be32_to_cpu(initial_boot_params->version) < 0x10)
+				p = ALIGN(p, sz >= 8 ? 8 : 4);
+			p += sz;
+			p = ALIGN(p, 4);
+			continue;
+		}
+		if (tag != OF_DT_BEGIN_NODE) {
+			pr_err("Invalid tag %x in flat device tree!\n", tag);
+			return -EINVAL;
+		}
+		depth++;
+		pathp = (char *)p;
+		p = ALIGN(p + strlen(pathp) + 1, 4);
+		if ((*pathp) == '/') {
+			char *lp, *np;
+			for (lp = NULL, np = pathp; *np; np++)
+				if ((*np) == '/')
+					lp = np+1;
+			if (lp != NULL)
+				pathp = lp;
+		}
+		rc = it(p, pathp, depth, data);
+		if (rc != 0)
+			break;
+	} while (1);
+
+	return rc;
+}
+
+/**
+ * of_get_flat_dt_root - find the root node in the flat blob
+ */
+unsigned long __init of_get_flat_dt_root(void)
+{
+	unsigned long p = ((unsigned long)initial_boot_params) +
+		be32_to_cpu(initial_boot_params->off_dt_struct);
+
+	while (be32_to_cpup((__be32 *)p) == OF_DT_NOP)
+		p += 4;
+	BUG_ON(be32_to_cpup((__be32 *)p) != OF_DT_BEGIN_NODE);
+	p += 4;
+	return ALIGN(p + strlen((char *)p) + 1, 4);
+}
+
+/**
+ * of_get_flat_dt_prop - Given a node in the flat blob, return the property ptr
+ *
+ * This function can be used within scan_flattened_dt callback to get
+ * access to properties
+ */
+void *__init of_get_flat_dt_prop(unsigned long node, const char *name,
+				 unsigned long *size)
+{
+	return of_fdt_get_property(initial_boot_params, node, name, size);
+}
+
+/**
+ * of_flat_dt_is_compatible - Return true if given node has compat in compatible list
+ * @node: node to test
+ * @compat: compatible string to compare with compatible list.
+ */
+int __init of_flat_dt_is_compatible(unsigned long node, const char *compat)
+{
+	return of_fdt_is_compatible(initial_boot_params, node, compat);
+}
+
 #ifdef CONFIG_BLK_DEV_INITRD
 /**
  * early_init_dt_check_for_initrd - Decode initrd location from flat tree