[U-Boot] [PATCH v3 16/19] image: Export fit_conf_get_prop_node()

[Simon Glass]

This function will be needed by signature checking code, so export it,
and also add docs.

Signed-off-by: Simon Glass <s...@chromium.org>
---
Changes in v3: None
Changes in v2:
- Put params before description in fit_conf_get_prop_node() comment

 common/image-fit.c |  8 ++++----
 include/image.h    | 14 ++++++++++++++
 2 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/common/image-fit.c b/common/image-fit.c
index 97f8521..b8a1eb4 100644
--- a/common/image-fit.c
+++ b/common/image-fit.c
@@ -1310,7 +1310,7 @@ int fit_conf_get_node(const void *fit, const char 
*conf_uname)
        return noffset;
 }
 
-static int __fit_conf_get_prop_node(const void *fit, int noffset,
+int fit_conf_get_prop_node(const void *fit, int noffset,
                const char *prop_name)
 {
        char *uname;
@@ -1340,7 +1340,7 @@ static int __fit_conf_get_prop_node(const void *fit, int 
noffset,
  */
 int fit_conf_get_kernel_node(const void *fit, int noffset)
 {
-       return __fit_conf_get_prop_node(fit, noffset, FIT_KERNEL_PROP);
+       return fit_conf_get_prop_node(fit, noffset, FIT_KERNEL_PROP);
 }
 
 /**
@@ -1359,7 +1359,7 @@ int fit_conf_get_kernel_node(const void *fit, int noffset)
  */
 int fit_conf_get_ramdisk_node(const void *fit, int noffset)
 {
-       return __fit_conf_get_prop_node(fit, noffset, FIT_RAMDISK_PROP);
+       return fit_conf_get_prop_node(fit, noffset, FIT_RAMDISK_PROP);
 }
 
 /**
@@ -1378,7 +1378,7 @@ int fit_conf_get_ramdisk_node(const void *fit, int 
noffset)
  */
 int fit_conf_get_fdt_node(const void *fit, int noffset)
 {
-       return __fit_conf_get_prop_node(fit, noffset, FIT_FDT_PROP);
+       return fit_conf_get_prop_node(fit, noffset, FIT_FDT_PROP);
 }
 
 /**
diff --git a/include/image.h b/include/image.h
index 507ce42..6d7cd54 100644
--- a/include/image.h
+++ b/include/image.h
@@ -631,6 +631,20 @@ int fit_conf_get_kernel_node(const void *fit, int noffset);
 int fit_conf_get_ramdisk_node(const void *fit, int noffset);
 int fit_conf_get_fdt_node(const void *fit, int noffset);
 
+/**
+ * fit_conf_get_prop_node() - Get node refered to by a configuration
+ * @fit:       FIT to check
+ * @noffset:   Offset of conf@xxx node to check
+ * @prop_name: Property to read from the conf node
+ *
+ * The conf@ nodes contain references to other nodes, using properties
+ * like 'kernel = "kernel@1"'. Given such a property name (e.g. "kernel"),
+ * return the offset of the node referred to (e.g. offset of node
+ * "/images/kernel@1".
+ */
+int fit_conf_get_prop_node(const void *fit, int noffset,
+               const char *prop_name);
+
 void fit_conf_print(const void *fit, int noffset, const char *p);
 
 int fit_check_ramdisk(const void *fit, int os_noffset,
-- 
1.8.2.1

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