DMA mapping (was Re: [PATCH] cciss 2.6; replaces DMA masks with kernel defines)

On Fri, 2005-06-10 at 12:55 -0400, Jeff Garzik wrote:
> [email protected] wrote:
> > This patch removes our homegrown DMA masks and uses the ones defined in
> > the kernel instead.
> > Thanks to Jens Axboe for the code. Please consider this for inclusion.
> > 
> > Signed-off-by: Mike Miller <[email protected]>
> 
> You need to add '#include <linux/dma-mapping.h>'
> 

Why doesn't this file define 29, 30, 31 bit DMA masks, required by many
devices?  I know of at least 2 soundcards that need a 29 bit DMA mask.

Lee

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