Re: [PATCH V2 11/16] ata: Use 32-bit DMA in AHCI for Loongson-3.

[Jeff Garzik <jeff@xxxxxxxxxx>]

On 06/19/2012 02:50 AM, Huacai Chen wrote:
> diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
> index ebaf67e..3e3cfd8 100644
> --- a/drivers/ata/ahci.c
> +++ b/drivers/ata/ahci.c
> @@ -183,7 +183,12 @@ static const struct ata_port_info ahci_port_info[] = {
>   	},
>   	[board_ahci_sb700] =	/* for SB700 and SB800 */
>   	{
> +#ifndef CONFIG_CPU_LOONGSON3
>   		AHCI_HFLAGS	(AHCI_HFLAG_IGN_SERR_INTERNAL),
> +#else
> +		AHCI_HFLAGS	(AHCI_HFLAG_IGN_SERR_INTERNAL |
> +						AHCI_HFLAG_32BIT_ONLY),
> +#endif
>   		.flags		= AHCI_FLAG_COMMON,


NAK -- the place to fix this up is ahci_init_one()