diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index d04be38f1750..318d1cc9a066 100644
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -402,21 +402,11 @@ static void __init efi_debugfs_init(void)
 static inline void efi_debugfs_init(void) {}
 #endif
 
-/*
- * We register the efi subsystem with the firmware subsystem and the
- * efivars subsystem with the efi subsystem, if the system was booted with
- * EFI.
- */
-static int __init efisubsys_init(void)
+static int __init efipostcore_init(void)
 {
-	int error;
-
 	if (!efi_enabled(EFI_RUNTIME_SERVICES))
 		efi.runtime_supported_mask = 0;
 
-	if (!efi_enabled(EFI_BOOT))
-		return 0;
-
 	if (efi.runtime_supported_mask) {
 		/*
 		 * Since we process only one efi_runtime_service() at a time, an
@@ -428,9 +418,23 @@ static int __init efisubsys_init(void)
 			pr_err("Creating efi_rts_wq failed, EFI runtime services disabled.\n");
 			clear_bit(EFI_RUNTIME_SERVICES, &efi.flags);
 			efi.runtime_supported_mask = 0;
-			return 0;
 		}
 	}
+	return 0;
+}
+postcore_initcall(efipostcore_init);
+
+/*
+ * We register the efi subsystem with the firmware subsystem and the
+ * efivars subsystem with the efi subsystem, if the system was booted with
+ * EFI.
+ */
+static int __init efisubsys_init(void)
+{
+	int error;
+
+	if (!efi_enabled(EFI_BOOT))
+		return 0;
 
 	if (efi_rt_services_supported(EFI_RT_SUPPORTED_TIME_SERVICES))
 		platform_device_register_simple("rtc-efi", 0, NULL, 0);