[PATCH v2 13/16] passage: Add docs for spl_handoff

[Simon Glass]

This tag already exists in U-Boot. Add documentation, following the
format set out.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

(no changes since v1)

 board/sandbox/stdpass_check.c | 8 ++++++++
 include/handoff.h             | 8 +++++---
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/board/sandbox/stdpass_check.c b/board/sandbox/stdpass_check.c
index 8391c7a4aed..9c015b6783e 100644
--- a/board/sandbox/stdpass_check.c
+++ b/board/sandbox/stdpass_check.c
@@ -28,3 +28,11 @@ void check_struct_name(void)
 {
 	/* __maybe_unused struct struct_name check; */
 }
+
+/* BLOBLISTT_U_BOOT_SPL_HANDOFF */
+#include <handoff.h>
+void check_spl_handoff(void)
+{
+	__maybe_unused struct spl_handoff check;
+};
+
diff --git a/include/handoff.h b/include/handoff.h
index 070a79c1b97..30203033ec9 100644
--- a/include/handoff.h
+++ b/include/handoff.h
@@ -9,16 +9,20 @@
 #define __HANDOFF_H
 
 #if CONFIG_IS_ENABLED(HANDOFF)
-
 #include <asm/handoff.h>
+#endif
 
 /**
  * struct spl_handoff - information passed from SPL to U-Boot proper
  *
+ * bloblist_tag: BLOBLISTT_U_BOOT_SPL_HANDOFF
+ *
  * @ram_size: Value to use for gd->ram_size
  */
 struct spl_handoff {
+#if CONFIG_IS_ENABLED(HANDOFF)
 	struct arch_spl_handoff arch;
+#endif
 	u64 ram_size;
 	struct {
 		u64 start;
@@ -43,5 +47,3 @@ void handoff_load_dram_banks(struct spl_handoff *ho);
 int handoff_arch_save(struct spl_handoff *ho);
 
 #endif
-
-#endif
-- 
2.34.1.703.g22d0c6ccf7-goog