From e17503e59e5eae6e5b70c2bff1c1f7bc2e4ac22d Mon Sep 17 00:00:00 2001
From: jdolecek <jdolecek@NetBSD.org>
Date: Thu, 22 Jan 2004 14:22:20 +0000
Subject: [PATCH] Reset the service bit of ECP register, so that write
 threshold would be identified correctly Problem reported and fix provided in
 PR kern/24185 by Paul Shupak

---
 sys/dev/ic/atppc.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/sys/dev/ic/atppc.c b/sys/dev/ic/atppc.c
index f7988cf67fd8..c8b0956fe191 100644
--- a/sys/dev/ic/atppc.c
+++ b/sys/dev/ic/atppc.c
@@ -1,4 +1,4 @@
-/* $NetBSD: atppc.c,v 1.4 2004/01/22 01:21:41 bjh21 Exp $ */
+/* $NetBSD: atppc.c,v 1.5 2004/01/22 14:22:20 jdolecek Exp $ */
 
 /*
  * Copyright (c) 2001 Alcove - Nicolas Souchu
@@ -556,6 +556,10 @@ atppc_detect_fifo(struct atppc_softc * atppc)
 	/* Change direction */
 	atppc_w_ctr(atppc, (ctr_sav & ~IRQENABLE) & ~PCD);
 	atppc_barrier_w(atppc);
+ 
+	/* Clear the serviceIntr bit we've already set in the above loop */
+	atppc_w_ecr(atppc, ATPPC_ECR_TST);
+	atppc_barrier_w(atppc);
 
 	/* Determine writeIntrThreshold - empty FIFO until serviceIntr is set */
 	for(atppc->sc_wthr = 0; i > -1; i--) {