We can reuse this function to load the device-tree.

Signed-off-by: Heinrich Schuchardt <heinrich.schucha...@canonical.com>
---
 include/efi_loader.h          |  4 ++++
 lib/efi_loader/efi_bootmgr.c  | 17 +++++++++++++----
 lib/efi_loader/efi_boottime.c |  1 -
 3 files changed, 17 insertions(+), 5 deletions(-)

diff --git a/include/efi_loader.h b/include/efi_loader.h
index ed2b517b130..0bf325fdc4b 100644
--- a/include/efi_loader.h
+++ b/include/efi_loader.h
@@ -664,6 +664,10 @@ efi_status_t EFIAPI efi_load_image(bool boot_policy,
                                   void *source_buffer,
                                   efi_uintn_t source_size,
                                   efi_handle_t *image_handle);
+/* Load image from path */
+efi_status_t efi_load_image_from_path(bool boot_policy,
+                                     struct efi_device_path *file_path,
+                                     void **buffer, efi_uintn_t *size);
 /* Start image */
 efi_status_t EFIAPI efi_start_image(efi_handle_t image_handle,
                                    efi_uintn_t *exit_data_size,
diff --git a/lib/efi_loader/efi_bootmgr.c b/lib/efi_loader/efi_bootmgr.c
index 3d58a928b10..9ae948bcf08 100644
--- a/lib/efi_loader/efi_bootmgr.c
+++ b/lib/efi_loader/efi_bootmgr.c
@@ -1265,12 +1265,21 @@ efi_status_t efi_bootmgr_run(void *fdt)
                return ret;
        }
 
-       fdt_lo = load_fdt_from_load_option();
-       if (fdt_lo)
-               fdt = fdt_lo;
+       if (!IS_ENABLED(CONFIG_GENERATE_ACPI_TABLE)) {
+               fdt_lo = load_fdt_from_load_option();
+               if (fdt_lo)
+                       fdt = fdt_lo;
+       }
 
+       /*
+        * Needed in ACPI case to create reservations based on
+        * control device-tree.
+        */
        ret = efi_install_fdt(fdt);
-       free(fdt_lo);
+
+       if (!IS_ENABLED(CONFIG_GENERATE_ACPI_TABLE))
+               free(fdt_lo);
+
        if (ret != EFI_SUCCESS) {
                if (EFI_CALL(efi_unload_image(handle)) == EFI_SUCCESS)
                        free(load_options);
diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c
index 33f03c0cb0f..50ce8386051 100644
--- a/lib/efi_loader/efi_boottime.c
+++ b/lib/efi_loader/efi_boottime.c
@@ -1996,7 +1996,6 @@ error:
  * @size:              size of the loaded image
  * Return:             status code
  */
-static
 efi_status_t efi_load_image_from_path(bool boot_policy,
                                      struct efi_device_path *file_path,
                                      void **buffer, efi_uintn_t *size)
-- 
2.43.0

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