diff --git a/arch/arm64/kernel/efi.c b/arch/arm64/kernel/efi.c
index 7bfd650..14db1f6 100644
--- a/arch/arm64/kernel/efi.c
+++ b/arch/arm64/kernel/efi.c
@@ -333,6 +333,9 @@
 
 void __init efi_idmap_init(void)
 {
+	if (!efi_enabled(EFI_BOOT))
+		return;
+
 	/* boot time idmap_pg_dir is incomplete, so fill in missing parts */
 	efi_setup_idmap();
 }