app: aboot: Add comment to highlight, free scratch before reuse.
This gerrit add, a comment to highlight need to free up scratch before,
reuse.
Change-Id: I491ada2ef85650aa9579314bd2e88a9193260a13
diff --git a/app/aboot/aboot.c b/app/aboot/aboot.c
index 3024e63..99c8c9a 100644
--- a/app/aboot/aboot.c
+++ b/app/aboot/aboot.c
@@ -1994,6 +1994,9 @@
* If appended dev tree is found, update the atags with
* memory address to the DTB appended location on RAM.
* Else update with the atags address in the kernel header
+ *
+ * Make sure everything from scratch address is read before next step!
+ * In case of dtbo, this API is going to read dtbo on scratch.
*/
void *dtb;
dtb = dev_tree_appended(
@@ -2278,6 +2281,9 @@
* If appended dev tree is found, update the atags with
* memory address to the DTB appended location on RAM.
* Else update with the atags address in the kernel header
+ *
+ * Make sure everything from scratch address is read before next step!
+ * In case of dtbo, this API is going to read dtbo on scratch.
*/
void *dtb = NULL;
dtb = dev_tree_appended((void*)(image_addr + page_size ),hdr->kernel_size, dtb_offset, (void *)hdr->tags_addr);