From: Tony Battersby <tonyb@cybernetics.com>
To: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>,
linux-ide@vger.kernel.org
Subject: [PATCH] ide: fix serverworks.c UDMA regression
Date: Mon, 15 Oct 2007 15:05:30 -0400 [thread overview]
Message-ID: <4713B9FA.8050803@cybernetics.com> (raw)
The patch described by the following excerpt from ChangeLog-2.6.22 makes
it impossible to use UDMA on a Tyan S2707 motherboard (SvrWks CSB5):
commit 2d5eaa6dd744a641e75503232a01f52d0768884c
Author: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Thu May 10 00:01:08 2007 +0200
ide: rework the code for selecting the best DMA transfer mode (v3)
...
This one-line patch against 2.6.23 fixes the problem.
Signed-off-by: Tony Battersby <tonyb@cybernetics.com>
---
--- linux-2.6.23/drivers/ide/pci/serverworks.c.orig 2007-10-15 12:15:01.000000000 -0400
+++ linux-2.6.23/drivers/ide/pci/serverworks.c 2007-10-15 13:47:29.000000000 -0400
@@ -97,6 +97,7 @@ static u8 svwks_udma_filter(ide_drive_t
mode = 2;
switch(mode) {
+ case 3: mask = 0x3f; break;
case 2: mask = 0x1f; break;
case 1: mask = 0x07; break;
default: mask = 0x00; break;
next reply other threads:[~2007-10-15 19:27 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-15 19:05 Tony Battersby [this message]
2007-10-16 19:25 ` [PATCH] ide: fix serverworks.c UDMA regression Bartlomiej Zolnierkiewicz
2007-11-13 23:28 ` [stable] " Greg KH
2007-11-14 14:34 ` Tony Battersby
2007-11-14 16:55 ` Greg KH
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