Re: [PATCH] ata: Fix DVD not dectected at some Haswell platforms

[Sergei Shtylyov <sshtylyov@mvista.com>]

Hello.

On 30-01-2013 21:19, Youquan Song wrote:

> There is a quirk patch 5e5a4f5d5a08c9c504fe956391ac3dae2c66556d fix the 4 ports
> IDE controller 32bit PIO mode.
> Recently, the problem was showed at Haswell platform which includes 2 ports
> IDE controller.

> So introduce a qurik patch to disable 32bit PIO at this IDE controller.

> Signed-off-by: Youquan Song <youquan.song@intel.com>
> ---
>   drivers/ata/ata_piix.c |   14 +++++++++++++-
>   1 files changed, 13 insertions(+), 1 deletions(-)

> diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
> index ef773e1..1993e52 100644
> --- a/drivers/ata/ata_piix.c
> +++ b/drivers/ata/ata_piix.c
[...]
> @@ -326,7 +327,7 @@ static const struct pci_device_id piix_pci_tbl[] = {
>   	/* SATA Controller IDE (Lynx Point) */
>   	{ 0x8086, 0x8c01, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_snb },
>   	/* SATA Controller IDE (Lynx Point) */
> -	{ 0x8086, 0x8c08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
> +	{ 0x8086, 0x8c08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_snb },
>   	/* SATA Controller IDE (Lynx Point) */
>   	{ 0x8086, 0x8c09, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },

    Also, are you sure this one and the following Lynx Point controllers are 
not affected?

>   	/* SATA Controller IDE (Lynx Point-LP) */

MBR, Sergei