[PATCH v4 20/21] arm/fdt: Export device_tree_for_each_node

[Shannon Zhao <zhaoshenglong@huawei.com>]

From: Shannon Zhao <shannon.zhao@linaro.org>

This function will be used by ACPI booting. Export it so that it can be
used by other files.

Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
---
 xen/arch/arm/bootfdt.c        | 6 +++---
 xen/include/xen/device_tree.h | 4 ++++
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/xen/arch/arm/bootfdt.c b/xen/arch/arm/bootfdt.c
index 74d208b..8a14015 100644
--- a/xen/arch/arm/bootfdt.c
+++ b/xen/arch/arm/bootfdt.c
@@ -85,9 +85,9 @@ static u32 __init device_tree_get_u32(const void *fdt, int node,
  * Returns 0 if all nodes were iterated over successfully.  If @func
  * returns a value different from 0, that value is returned immediately.
  */
-static int __init device_tree_for_each_node(const void *fdt,
-                                            device_tree_node_func func,
-                                            void *data)
+int __init device_tree_for_each_node(const void *fdt,
+                                     device_tree_node_func func,
+                                     void *data)
 {
     int node;
     int depth;
diff --git a/xen/include/xen/device_tree.h b/xen/include/xen/device_tree.h
index cf31e50..12942cf 100644
--- a/xen/include/xen/device_tree.h
+++ b/xen/include/xen/device_tree.h
@@ -173,6 +173,10 @@ typedef int (*device_tree_node_func)(const void *fdt,
 
 extern const void *device_tree_flattened;
 
+int __init device_tree_for_each_node(const void *fdt,
+                                     device_tree_node_func func,
+                                     void *data);
+
 /**
  * dt_unflatten_host_device_tree - Unflatten the host device tree
  *
-- 
2.0.4