efi_selftest: simplify efi_selftest_reset

Use global st_runtime.

Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>

lib/efi_selftest/efi_selftest_reset.c

@@ -10,22 +10,6 @@
 
 #include <efi_selftest.h>
 
-static struct efi_runtime_services *runtime;
-
-/*
- * Setup unit test.
- *
- * @handle:	handle of the loaded image
- * @systable:	system table
- * Return:	EFI_ST_SUCCESS for success
- */
-static int setup(const efi_handle_t handle,
-		 const struct efi_system_table *systable)
-{
-	runtime = systable->runtime;
-	return EFI_ST_SUCCESS;
-}
-
 /*
  * Execute unit test.
  *
@@ -35,7 +19,7 @@ static int execute(void)
 {
 	u16 reset_data[] = u"Reset by selftest";
 
-	runtime->reset_system(EFI_RESET_COLD, EFI_SUCCESS,
+	st_runtime->reset_system(EFI_RESET_COLD, EFI_SUCCESS,
 			      sizeof(reset_data), reset_data);
 	efi_st_error("Reset failed.\n");
 	return EFI_ST_FAILURE;
@@ -44,7 +28,6 @@ static int execute(void)
 EFI_UNIT_TEST(reset) = {
 	.name = "reset system",
 	.phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT,
-	.setup = setup,
 	.execute = execute,
 	.on_request = true,
 };
@@ -52,7 +35,6 @@ EFI_UNIT_TEST(reset) = {
 EFI_UNIT_TEST(resetrt) = {
 	.name = "reset system runtime",
 	.phase = EFI_SETUP_BEFORE_BOOTTIME_EXIT,
-	.setup = setup,
 	.execute = execute,
 	.on_request = true,
 };