From 808f8a9fffb357eef8c99344ca9e32dadc538415 Mon Sep 17 00:00:00 2001
From: Theo de Raadt <deraadt@cvs.openbsd.org>
Date: Thu, 3 Jun 2010 17:48:25 +0000
Subject: take care of some half-baked CPU temperature readings seen in wild
 from Mikko Tolmunen

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

(limited to 'sys')

diff --git a/sys/dev/isa/uguru.c b/sys/dev/isa/uguru.c
index cdb82a4240b..dafe8cab419 100644
--- a/sys/dev/isa/uguru.c
+++ b/sys/dev/isa/uguru.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: uguru.c,v 1.3 2010/04/20 06:44:49 deraadt Exp $	*/
+/*	$OpenBSD: uguru.c,v 1.4 2010/06/03 17:48:24 deraadt Exp $	*/
 
 /*
  * Copyright (c) 2010 Mikko Tolmunen <oskari@sefirosu.org>
@@ -1024,6 +1024,10 @@ uguru_write_multi(bus_space_tag_t iot, bus_space_handle_t ioh,
 				goto timeout;
 			DELAY(5);
 		}
+		/* dummy read to flush the internal buffer */
+		if (i == 0)
+			UGURU_READ(iot, ioh, UGURU_DATA);
+
 		UGURU_WRITE(iot, ioh, UGURU_DATA, *inbuf++);
 	}
 	return 0;
-- 
cgit v1.2.3