Merge branch 'master' of git://git.denx.de/u-boot-fdt

[oweals/u-boot.git] / common / image-fit.c

diff --git a/common/image-fit.c b/common/image-fit.c
index 1589ee3e4fb811ccb9bc8f31fbc094533abcd093..778d2a148be67b921be72fb58a155a0813cccdc9 100644 (file)
--- a/common/image-fit.c
+++ b/common/image-fit.c
@@ -112,6 +112,33 @@ static void fit_get_debug(const void *fit, int noffset,
              fdt_strerror(err));
 }
 
+/**
+ * fit_get_subimage_count - get component (sub-image) count
+ * @fit: pointer to the FIT format image header
+ * @images_noffset: offset of images node
+ *
+ * returns:
+ *     number of image components
+ */
+int fit_get_subimage_count(const void *fit, int images_noffset)
+{
+       int noffset;
+       int ndepth;
+       int count = 0;
+
+       /* Process its subnodes, print out component images details */
+       for (ndepth = 0, count = 0,
+               noffset = fdt_next_node(fit, images_noffset, &ndepth);
+            (noffset >= 0) && (ndepth > 0);
+            noffset = fdt_next_node(fit, noffset, &ndepth)) {
+               if (ndepth == 1) {
+                       count++;
+               }
+       }
+
+       return count;
+}
+
 #if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_FIT_SPL_PRINT)
 /**
  * fit_print_contents - prints out the contents of the FIT format image
@@ -423,7 +450,8 @@ void fit_image_print(const void *fit, int image_noffset, const char *p)
                }
        }
 }
-#endif
+
+#endif /* !defined(CONFIG_SPL_BUILD) || defined(CONFIG_FIT_SPL_PRINT) */
 
 /**
  * fit_get_desc - get node description property
@@ -982,9 +1010,7 @@ int fit_image_verify(const void *fit, int image_noffset)
        }
 
        /* Process all hash subnodes of the component image node */
-       for (noffset = fdt_first_subnode(fit, image_noffset);
-            noffset >= 0;
-            noffset = fdt_next_subnode(fit, noffset)) {
+       fdt_for_each_subnode(fit, noffset, image_noffset) {
                const char *name = fit_get_name(fit, noffset, NULL);
 
                /*