of/flattree: Reorder unflatten_dt_node

Move unflatten_dt_node to be grouped with non-__init functions.

Signed-off-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index cf74e54..71edc9c 100644 (file)
--- a/drivers/of/fdt.c
+++ b/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