image: Export fit_conf_get_prop_node()
This function will be needed by signature checking code, so export it,
and also add docs.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/common/image-fit.c b/common/image-fit.c
index f5a777e..de6fce6 100644
--- a/common/image-fit.c
+++ b/common/image-fit.c
@@ -1308,7 +1308,7 @@
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;
@@ -1338,7 +1338,7 @@
*/
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);
}
/**
@@ -1357,7 +1357,7 @@
*/
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);
}
/**
@@ -1376,7 +1376,7 @@
*/
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_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,