>     IDE HDD does not work if it uses a 40-pin PATA cable on ATI chipset.
quoted text
>     This patch fixes the bug.
>     
>     Signed-off-by: Conke Hu <conke.hu@amd.com>

Doe this actually work if the driver is loaded after a suspend to ram and
resume ?

quoted text
> -	hwif->udma_four = 1;
> +	pci_read_config_byte(pdev, ATIIXP_IDE_UDMA_MODE + ch, &udma_mode);
> +	if ((udma_mode & 0x07) >= 0x04 || (udma_mode & 0x70) >= 0x40)
> +		hwif->udma_four = 1;
> +	else
> +		hwif->udma_four = 0;
> +

How does the actual cable detection work rather than relying on the BIOS
modes to guess the cable ?

Alan
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