From 7856c3ee084bae42bdce280aab24bd85c8b5e2fd Mon Sep 17 00:00:00 2001
From: bcran <bcran@FreeBSD.org>
Date: Fri, 26 Oct 2018 21:57:22 +0000
Subject: [PATCH] Simplify the EFI delay() function by calling BS->Stall()

Differential Revision: https://reviews.freebsd.org/D16753
---
 stand/efi/libefi/delay.c | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/stand/efi/libefi/delay.c b/stand/efi/libefi/delay.c
index 723f681c5286..9eb123096636 100644
--- a/stand/efi/libefi/delay.c
+++ b/stand/efi/libefi/delay.c
@@ -33,15 +33,5 @@ __FBSDID("$FreeBSD$");
 void
 delay(int usecs)
 {
-	static EFI_EVENT ev = 0;
-	UINTN junk;
-
-	if (!ev) {
-		if (BS->CreateEvent(EVT_TIMER, TPL_APPLICATION, 0, 0, &ev)
-		    != EFI_SUCCESS)
-			return;
-	}
-
-	BS->SetTimer(ev, TimerRelative, usecs * 10);
-	BS->WaitForEvent(1, &ev, &junk);
+	BS->Stall(usecs);
 }