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

Arjan van de Ven
2005-06-10T20:45:29Z

On Fri, 2005-06-10 at 16:39 -0400, Lee Revell wrote:
> On Fri, 2005-06-10 at 12:55 -0400, Jeff Garzik wrote:
> > mike.miller@hp.com 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 <mike.miller@hp.com>
> >
> > 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.

your mail unfortunately was not in diff -u form ;)
I'm pretty sure that such constants are welcome