ide: fix serverworks.c UDMA regression
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>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/pci/serverworks.c b/drivers/ide/pci/serverworks.c
index 49ec0ac..40b0383 100644
--- a/drivers/ide/pci/serverworks.c
+++ b/drivers/ide/pci/serverworks.c
@@ -97,6 +97,7 @@
mode = 2;
switch(mode) {
+ case 3: mask = 0x3f; break;
case 2: mask = 0x1f; break;
case 1: mask = 0x07; break;
default: mask = 0x00; break;