When the best-match feature fails to find something, use the provided
config name as a fallback. The allows SPL to select a suitable config
when best-match is enabled.

Signed-off-by: Simon Glass <s...@chromium.org>
---

(no changes since v1)

 boot/image-fit.c | 19 ++++++++++---------
 include/image.h  |  4 +++-
 2 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/boot/image-fit.c b/boot/image-fit.c
index 7d56f0b5e6e..439ff51edf6 100644
--- a/boot/image-fit.c
+++ b/boot/image-fit.c
@@ -1729,13 +1729,13 @@ int fit_conf_find_compat(const void *fit, const void 
*fdt)
        images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
        if (confs_noffset < 0 || images_noffset < 0) {
                debug("Can't find configurations or images nodes.\n");
-               return -1;
+               return -EINVAL;
        }
 
        fdt_compat = fdt_getprop(fdt, 0, "compatible", &fdt_compat_len);
        if (!fdt_compat) {
                debug("Fdt for comparison has no \"compatible\" property.\n");
-               return -1;
+               return -ENXIO;
        }
 
        /*
@@ -1812,7 +1812,7 @@ int fit_conf_find_compat(const void *fit, const void *fdt)
        }
        if (!best_match_offset) {
                debug("No match found.\n");
-               return -1;
+               return -ENOENT;
        }
 
        return best_match_offset;
@@ -2095,17 +2095,18 @@ int fit_image_load(struct bootm_headers *images, ulong 
addr,
                 * fit_conf_get_node() will try to find default config node
                 */
                bootstage_mark(bootstage_id + BOOTSTAGE_SUB_NO_UNIT_NAME);
-               if (IS_ENABLED(CONFIG_FIT_BEST_MATCH) && !fit_uname_config) {
-                       cfg_noffset = fit_conf_find_compat(fit, gd_fdt_blob());
-               } else {
-                       cfg_noffset = fit_conf_get_node(fit, fit_uname_config);
-               }
-               if (cfg_noffset < 0) {
+               ret = -ENXIO;
+               if (IS_ENABLED(CONFIG_FIT_BEST_MATCH) && !fit_uname_config)
+                       ret = fit_conf_find_compat(fit, gd_fdt_blob());
+               if (ret < 0 && ret != -EINVAL)
+                       ret = fit_conf_get_node(fit, fit_uname_config);
+               if (ret < 0) {
                        puts("Could not find configuration node\n");
                        bootstage_error(bootstage_id +
                                        BOOTSTAGE_SUB_NO_UNIT_NAME);
                        return -ENOENT;
                }
+               cfg_noffset = ret;
 
                fit_base_uname_config = fdt_get_name(fit, cfg_noffset, NULL);
                printf("   Using '%s' configuration\n", fit_base_uname_config);
diff --git a/include/image.h b/include/image.h
index bb15ef69871..ab96510f62c 100644
--- a/include/image.h
+++ b/include/image.h
@@ -1411,7 +1411,9 @@ int fit_check_format(const void *fit, ulong size);
  * copied into the configuration node in the FIT image. This is required to
  * match configurations with compressed FDTs.
  *
- * Returns: offset to the configuration to use if one was found, -1 otherwise
+ * Returns: offset to the configuration to use if one was found, -EINVAL if
+ * there a /configurations or /images node is missing, -ENOENT if no match was
+ * found, -ENXIO if the FDT node has no compatible string
  */
 int fit_conf_find_compat(const void *fit, const void *fdt);
 
-- 
2.34.1

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