[RFC 1/8] boot: EFI boot manager does not depend on BootOrder

[Heinrich Schuchardt]

The EFI boot manager bootmeth does not require variable BootOrder to be
preexisting. It creates this variable.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt at canonical.com>
---
 boot/bootmeth_efi_mgr.c | 21 +++------------------
 1 file changed, 3 insertions(+), 18 deletions(-)

diff --git a/boot/bootmeth_efi_mgr.c b/boot/bootmeth_efi_mgr.c
index 42b8863815e..1669cbed5bd 100644
--- a/boot/bootmeth_efi_mgr.c
+++ b/boot/bootmeth_efi_mgr.c
@@ -47,30 +47,15 @@ static int efi_mgr_check(struct udevice *dev, struct bootflow_iter *iter)
 
 static int efi_mgr_read_bootflow(struct udevice *dev, struct bootflow *bflow)
 {
-	struct efi_mgr_priv *priv = dev_get_priv(dev);
-	efi_status_t ret;
-	efi_uintn_t size;
-	u16 *bootorder;
-
-	if (priv->fake_dev) {
-		bflow->state = BOOTFLOWST_READY;
-		return 0;
-	}
+	int ret
 
 	ret = efi_init_obj_list();
 	if (ret)
 		return log_msg_ret("init", ret);
 
-	/* Enable this method if the "BootOrder" UEFI exists. */
-	bootorder = efi_get_var(u"BootOrder", &efi_global_variable_guid,
-				&size);
-	if (bootorder) {
-		free(bootorder);
-		bflow->state = BOOTFLOWST_READY;
-		return 0;
-	}
+	bflow->state = BOOTFLOWST_READY;
 
-	return -EINVAL;
+	return 0;
 }
 
 static int efi_mgr_read_file(struct udevice *dev, struct bootflow *bflow,
-- 
2.48.1