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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 2d5eaa6dd7
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>
This commit is contained in:
Tony Battersby 2007-10-16 22:29:52 +02:00 committed by Bartlomiej Zolnierkiewicz
parent 821f3eff7c
commit 0c824b51b3
1 changed files with 1 additions and 0 deletions
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1
drivers/ide/pci/serverworks.c
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@ -97,6 +97,7 @@ static u8 svwks_udma_filter(ide_drive_t *drive)
mode = 2;
switch(mode) {
case 3: mask = 0x3f; break;
case 2: mask = 0x1f; break;
case 1: mask = 0x07; break;
default: mask = 0x00; break;