linux-kernel - Re: [PATCH 2.6.24] ata_piix: IDE mode SATA patch for Intel ICH10 DeviceID's

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Message-ID: <479F5EDF.9010601@pobox.com>
Date:	Tue, 29 Jan 2008 12:14:07 -0500
From:	Jeff Garzik <jgarzik@...ox.com>
To:	Jason Gaston <jason.d.gaston@...el.com>
CC:	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org,
	htejun@...il.com
Subject: Re: [PATCH 2.6.24] ata_piix:  IDE mode SATA patch for Intel ICH10
 DeviceID's

Jason Gaston wrote:
> This patch adds the Intel ICH10 IDE mode SATA Controller DeviceID's.
> 
> Signed-off-by:  Jason Gaston <jason.d.gaston@...el.com>
> 
> --- linux-2.6.24/drivers/ata/ata_piix.c.orig	2008-01-24 14:58:37.000000000 -0800
> +++ linux-2.6.24/drivers/ata/ata_piix.c	2008-01-28 14:58:22.000000000 -0800
> @@ -263,6 +263,14 @@
>  	{ 0x8086, 0x292e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci },
>  	/* SATA Controller IDE (Tolapai) */
>  	{ 0x8086, 0x5028, PCI_ANY_ID, PCI_ANY_ID, 0, 0, tolapai_sata_ahci },
> +	/* SATA Controller IDE (ICH10) */
> +	{ 0x8086, 0x3a00, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci },
> +	/* SATA Controller IDE (ICH10) */
> +	{ 0x8086, 0x3a06, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
> +	/* SATA Controller IDE (ICH10) */
> +	{ 0x8086, 0x3a20, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci },
> +	/* SATA Controller IDE (ICH10) */
> +	{ 0x8086, 0x3a26, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },

can these do AHCI mode without losing any PATA ports?

if so, I would prefer to always drive the hardware in AHCI mode, if it 
is capable of doing so.

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