[PATCH 12/39] bootm: Allow building bootm.c without CONFIG_SYS_BOOTM_LEN

[Simon Glass]

This code cannot be compiled by boards which don't have this option. Add
an accessor in the header file to avoid another #ifdef

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

 boot/bootm.c    | 8 ++++----
 include/bootm.h | 8 ++++++++
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/boot/bootm.c b/boot/bootm.c
index 16a43d519a8..0a1040ef923 100644
--- a/boot/bootm.c
+++ b/boot/bootm.c
@@ -633,11 +633,11 @@ static int bootm_load_os(struct bootm_headers *images, int boot_progress)
 	load_buf = map_sysmem(load, 0);
 	image_buf = map_sysmem(os.image_start, image_len);
 	err = image_decomp(os.comp, load, os.image_start, os.type,
-			   load_buf, image_buf, image_len,
-			   CONFIG_SYS_BOOTM_LEN, &load_end);
+			   load_buf, image_buf, image_len, bootm_len(),
+			   &load_end);
 	if (err) {
-		err = handle_decomp_error(os.comp, load_end - load,
-					  CONFIG_SYS_BOOTM_LEN, err);
+		err = handle_decomp_error(os.comp, load_end - load, bootm_len(),
+					  err);
 		bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
 		return err;
 	}
diff --git a/include/bootm.h b/include/bootm.h
index c471615b08c..d174f18ac18 100644
--- a/include/bootm.h
+++ b/include/bootm.h
@@ -89,6 +89,14 @@ struct bootm_info {
 #define bootm_x86_set(_bmi, _field, _val)
 #endif
 
+static inline ulong bootm_len(void)
+{
+#ifdef CONFIG_SYS_BOOTM_LEN
+	return CONFIG_SYS_BOOTM_LEN;
+#endif
+	return 0;
+}
+
 /**
  * bootm_init() - Set up a bootm_info struct with useful defaults
  *
-- 
2.34.1