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SubjectRE: [PATCH 8/9] dspbridge: add map support for big buffers


> -----Original Message-----
> From: Felipe Contreras [mailto:felipe.contreras@gmail.com]
> Sent: Wednesday, August 25, 2010 1:06 AM
> To: Guzman Lugo, Fernando
> Cc: Kanigeri, Hari; linux-omap@vger.kernel.org;
> linux-kernel@vger.kernel.org; ohad@wizery.com;
> hiroshi.doyu@nokia.com; ameya.palande@nokia.com;
> felipe.contreras@nokia.com
> Subject: Re: [PATCH 8/9] dspbridge: add map support for big buffers
>
> On Wed, Aug 25, 2010 at 12:55 AM, Guzman Lugo, Fernando
> <fernando.lugo@ti.com> wrote:
> >> However, from what I can see iovmm can be used instead of
> dmm even if
> >> the switch to iommu is not yet there.
> >
> > Iovmm have a list of memory used (reserved, that is what dmm module
> > does) and also maps the buffer, So we can not use iovmm without
> > removing The mapping which is done inside dspbridge because it will
> > conflic with The mapping doing inside iovmm module. So that
> means for
> > using iovmm, the Mapping in dspbridge had to be removed in
> order to work properly.
>
> Or the whole iovmm.c can be copied and just remove the mapping.

That is the migration patches do, remove custom bridge mapping and
use iovmm module instead.

Regards,
Fernando.

>
> --
> Felipe Contreras
>

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