Re: [PATCH] ide_dma_speed() fixes

[Alan Cox <alan@lxorguk.ukuu.org.uk>]

On Llu, 2006-05-15 at 08:00 -0700, Andrew Morton wrote:
>  
>  	/* Capable of UltraDMA modes? */
> -	if (id->field_valid & 4)
> -		ultra_mask = id->dma_ultra & hwif->ultra_mask;
> -	else
> +	ultra_mask = id->dma_ultra & hwif->ultra_mask;
> +
> +	if (!(id->field_valid & 4))
>  		mode = 0;	/* fallback to MW/SW DMA if no UltraDMA */
>  

Looks fine to me, id-> is always the full 512 bytes of data so its safe
to do that.

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