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authorStephen Neuendorffer <stephen.neuendorffer@xilinx.com>2010-11-18 15:55:01 -0800
committerGrant Likely <grant.likely@secretlab.ca>2010-12-29 17:00:26 -0700
commit57d00ecf90cc9854973da2960012b734acc26e51 (patch)
tree6f1f3ce92b5e21646f4ec75766e3a2f5cba11fde /drivers/of
parenta40d6c4cf12d87980c10b230df435d0f56adc40b (diff)
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>
Diffstat (limited to 'drivers/of')
-rw-r--r--drivers/of/fdt.c218
1 files changed, 109 insertions, 109 deletions
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index cf74e546faf2..71edc9cecd62 100644
--- 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

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