linux-kernel - Re: Kernel 2.6.30rc7 limits IDE to UDMA33

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Date:	Fri, 5 Jun 2009 10:05:05 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Grozdan <neutrino8@...il.com>
Cc:	hancockrwd@...il.com, linux-kernel@...r.kernel.org,
	linux-ide@...r.kernel.org
Subject: Re: Kernel 2.6.30rc7 limits IDE to UDMA33

> Adding more information. A user on the openSUSE forum which is trying
> out openSUSE 11.2 milestone 2 (with kernel 2.6.30-rc6-git3) is having
> the same problems. His computer is using the pata_amd driver instead
> of pata_via like mine and he too gets limiting to UDMA33 during boot
> 
> Link: http://forums.opensuse.org/pre-release-beta/415373-hd-speed.html

Different problem. However that Nvidia one it would be worth trying this
so that we just rely upon the ACPI/BIOS data for Nvidia.

diff --git a/drivers/ata/pata_amd.c b/drivers/ata/pata_amd.c
index 33a74f1..c9c5fad 100644
--- a/drivers/ata/pata_amd.c
+++ b/drivers/ata/pata_amd.c
@@ -424,7 +424,7 @@ static struct ata_port_operations amd133_port_ops = {
 
 static const struct ata_port_operations nv_base_port_ops = {
 	.inherits	= &ata_bmdma_port_ops,
-	.cable_detect	= ata_cable_ignore,
+	.cable_detect	= ata_cable_80wire,
 	.mode_filter	= nv_mode_filter,
 	.prereset	= nv_pre_reset,
 	.host_stop	= nv_host_stop,
--
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