[src/trunk]: src/sys/dev/marvell Don't send a stop bit immediately after star...

[kiyohara <kiyohara%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/e4deb1194f23
branches:  trunk
changeset: 780355:e4deb1194f23
user:      kiyohara <kiyohara%NetBSD.org@localhost>
date:      Sat Jul 21 04:21:14 2012 +0000

description:
Don't send a stop bit immediately after start bit transmission.

diffstat:

 sys/dev/marvell/gttwsi.c |  17 ++++++++++++-----
 1 files changed, 12 insertions(+), 5 deletions(-)

diffs (38 lines):

diff -r 8cd3ca69a219 -r e4deb1194f23 sys/dev/marvell/gttwsi.c
--- a/sys/dev/marvell/gttwsi.c  Fri Jul 20 23:18:02 2012 +0000
+++ b/sys/dev/marvell/gttwsi.c  Sat Jul 21 04:21:14 2012 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: gttwsi.c,v 1.5 2010/10/10 04:49:48 kiyohara Exp $      */
+/*     $NetBSD: gttwsi.c,v 1.6 2012/07/21 04:21:14 kiyohara Exp $      */
 /*
  * Copyright (c) 2008 Eiji Kawauchi.
  * All rights reserved.
@@ -66,7 +66,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: gttwsi.c,v 1.5 2010/10/10 04:49:48 kiyohara Exp $");
+__KERNEL_RCSID(0, "$NetBSD: gttwsi.c,v 1.6 2012/07/21 04:21:14 kiyohara Exp $");
 #include "locators.h"
 
 #include <sys/param.h>
@@ -391,9 +391,16 @@
                return EIO;
        }
 
-       if ((flags & I2C_F_STOP) && expect != STAT_RSCT &&
-           expect != STAT_MRRD_AT && expect != STAT_ARBT_AR)
-               error = gttwsi_send_stop(sc, flags);
+       if (flags & I2C_F_STOP)
+               switch (expect) {
+               case STAT_SCT:
+               case STAT_RSCT:
+               case STAT_MRRD_AT:
+               case STAT_ARBT_AR:
+                       break;
+               default:
+                       error = gttwsi_send_stop(sc, flags);
+               }
 
        return error;
 }