commit 62128b2ca812c1266f4ff7bac068bf0b626c6179
author Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Sun Jun 15 21:00:21 2008 +0200
committer Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Sun Jun 15 21:00:21 2008 +0200
tree 057f05a7fedf5f7b762d7408ffbe9588732b38e0
parent 7775c9753b94fe429dc4323360d6502c95e0dd6e

opti621: disable read prefetch

This fixes 2.6.25 regression (kernel.org bugzilla bug #10723) caused by:

commit 912fb29a36a7269ac1c4a4df45bc0ac1d2637972
Author: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date:   Fri Oct 19 00:30:11 2007 +0200

    opti621: always tune PIO
...

Based on a bugreport from Juergen Kosel & inspired by pata_opti.c code.

Bisected-by: Juergen Kosel <juergen.kosel@gmx.de>
Tested-by: Juergen Kosel <juergen.kosel@gmx.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>