Commit 0b81a81a authored by Tony Battersby's avatar Tony Battersby Committed by Greg Kroah-Hartman

ide: fix serverworks.c UDMA regression

patch 0c824b51 in mainline.

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 2d5eaa6d
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: default avatarTony Battersby <tonyb@cybernetics.com>
Signed-off-by: default avatarBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent d1eb63c3
...@@ -101,6 +101,7 @@ static u8 svwks_udma_filter(ide_drive_t *drive) ...@@ -101,6 +101,7 @@ static u8 svwks_udma_filter(ide_drive_t *drive)
mode = 2; mode = 2;
switch(mode) { switch(mode) {
case 3: mask = 0x3f; break;
case 2: mask = 0x1f; break; case 2: mask = 0x1f; break;
case 1: mask = 0x07; break; case 1: mask = 0x07; break;
default: mask = 0x00; break; default: mask = 0x00; break;
......
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